Search Results — 2000 specimen records retrieved (1230 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-BC78077  Abies grandis Roxana S. Ferris 1940-3-22 9841 Sonoma at Stillwater Cove Ranch, north of Fort Ross on State Highway #1 Comment
  UCR198015  Abronia latifolia Chris Chan 1991-3-5 04 Sonoma University of California Bodega Marine Lab 34 Comment
  UCD14884  Abronia latifolia Chris Chan 1991-3-5 4 Sonoma California, Sonoma Co.; at the University of California Bodega Marine Lab; 33 Comment
  CHSC1074  Abronia maritima A. Small 1954-6-4 Sonoma Doran Park. Comment
  CAS-BOT-BC203227  Abutilon Peter Rubtzoff 1972-5-25 6754 Sonoma Laguna, Chileno Valley Comment
  UCR143597  Acaena novae-zelandiae G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  JEPS44843  Acaena pinnatifida var. californica W. L. Jepson 1931-7-19 15933 Sonoma Bodega, Watson School 152 Comment
  UCD137235  Acaena pinnatifida var. californica Javier Jauregui L.; Dan Potter 2013-6-28 1 Sonoma Santa Rosa. 7806 Bennett Valley Road. 210 Comment
  CAS-BOT-BC332751  Acer macrophyllum A. A. Heller; H. E. Brown 1902-3-21 5111 Sonoma Hills SE of Santa Rosa Comment
  CAS-BOT-BC332797  Acer macrophyllum Irja Knight; Walter Knight 1964-11-15 785 Sonoma Hood's Peak at Johnson Lake Comment
  CAS-BOT-BC332800  Acer macrophyllum Aven Nelson; Ruth A. Nelson 1933-5-15 568 Sonoma Kenwood 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
  UC18123  Acer macrophyllum W. H. Brewer 1862-4-18 960 Sonoma near Sonoma; near Sonoma Comment
  SEINET12238549  Acer macrophyllum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -267 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC182760  Achyrachaena mollis Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7389 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CHSC26307  Acmispon brachycarpus P. Kunst 1977-4-11 18 Sonoma 121 Comment
  JEPS128276  Acmispon brachycarpus Roger Raiche 2005-4-22 014 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SBBG84015  Acmispon brachycarpus L. F. LaPre 1986-5-31 Sonoma Socrates Mine, ca. 9 mi ENE of Geyerville 914 Comment
  UCD104090  Acmispon brachycarpus Patti Togioka; R. Waraich 1993-5-8 207 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail about 2 air miles S of Bald Mtn. 365 Comment
  UCD104197  Acmispon grandiflorus var. grandiflorus P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UCD104198  Acmispon grandiflorus var. grandiflorus P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UCD104493  Acmispon wrangelianus Mary M. Hektner 1974-6-2 11 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC496395  Adenocaulon bicolor Merle Randall 1930-11-6 Sonoma Cazadero Comment
  CAS-BOT-BC65531  Adiantum aleuticum Mary P. Wells 1984-7-21 375 Sonoma The Hot Spot, The Sea Ranch Comment
  CHSC26308  Adiantum aleuticum P. Kunst 1977-4-12 24 Sonoma Ca. 2 yd n of Coleman Valley Creek and 2.7 mi w of Occidental. 219 Comment
  HSC945  Adiantum jordanii R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1333 Sonoma 1 mi. NW of Big Geysers Comment
  CAS-BOT-BC164059  Adiantum pedatum Peter Rubtzoff 1965-10-10 5657 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC9074  Aegilops triuncialis Thomas C. Fuller 1960-6-14 4485 Sonoma James Black property, River Road, ca. 6 mi. E/Cloverdale Comment
  CDA1677  Aegilops triuncialis T. C. Fuller 1960-6-14 4485 Sonoma J. Black Ranch, River Road, ca. 6 miles E/ Cloverdale. 0 Comment
  UCD165164  Agoseris Peter Rubtzoff 1974-5-26 7470 Sonoma Vernal pool on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  UCD160133  Agoseris grandiflora James A. Neilson Jr. 1973-6-7 2945 a Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 365 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
  RSA416393  Agoseris grandiflora Christopher Davidson 1977-6-20 6027 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  UC769858  Agoseris grandiflora var. grandiflora R. F. Hoover 1941-5-14 5101 Sonoma hills n of Bodega Comment
  NY7042  Agoseris maritima A. Eastwood s.n. Sonoma Bodega Point. Comment
  CAS-BOT-BC176393  Agrostis Peter Rubtzoff 1971-6-25 6562 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  CAS-BOT-BC176405  Agrostis Peter Rubtzoff 1973-7-24 7195 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC210016  Agrostis Peter Rubtzoff 1968-7-13 5914 Sonoma Upper Salmon Creek Marsh Comment
  SEINET10717804  Agrostis P. Rubtzoff 1967-8-22 Rubtzoff 5857 Sonoma SE of Lower Salmon Creek Marsh. Comment
  UCD55663  Agrostis Beecher Crampton Date Unknown Sonoma Barker Hill. Comment
  UCR152276  Agrostis ampla Beecher Crampton 1959-6-16 5391 Sonoma 2 mi east of Occidental, Jonive School Area Comment
  UCD51829  Agrostis blasdalei Mary M. Hektner 1975-6-2 195 Sonoma east of Walk-on-Beach, Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET7297568 Image available Agrostis blasdalei Beecher Crampton 1957-1 4345 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek Comment
  UCD37148  Agrostis densiflora Beecher Crampton 1957-7-11 4320 Sonoma Sonoma County, 0.5 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD37152  Agrostis densiflora Beecher Crampton 1957-7-11 4331 Sonoma Sonoma County, 0.9 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCR279633  Agrostis densiflora Peter Rubtzoff 1967-8-22 5854 Sonoma Southeast of lower Salmon Creek Marsh 4 Comment
  CAS-BOT-BC126968  Agrostis exarata A. A. Heller 1902-6-27 5779 Sonoma West of Windsor near Russian River. Comment
  SD180634  Agrostis exarata Beecher Crampton 1964-8-18 7150 Sonoma Northeast Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. Ao mile east of Geyser Resort area, Big Sulfur Creek. Comment
  UCD52284  Agrostis exarata Beecher Crampton 1964-8-18 7150 Sonoma N.E. Sonoma County: The Geysers, Big Sulphur Creek. Comment
  SEINET7593636 Image available Agrostis exarata A. S. Hitchcock 1908-1 2722 Sonoma Sherwood Comment
  CAS-BOT-BC139552  Agrostis gigantea Peter Rubtzoff 1951-7-8 391 Sonoma Pitkin Marsh near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC139554  Agrostis gigantea Peter Rubtzoff 1951-7-1 335 Sonoma Pitkin Marsh near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC139555  Agrostis gigantea Peter Rubtzoff 1951-7-21 508 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower Marshes. Comment
  UC963879  Agrostis hallii Milo S. Baker 1947-5-12 11762 Sonoma Hood Mt. 426 Comment
  HSC9996  Agrostis microphylla Leo Koch 1940-4-22 837 Sonoma Above Sulfur Creek Geysers. Comment
  SEINET7953066 Image available Agrostis microphylla Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen) 189 Comment
  SEINET4341234  Agrostis oregonensis A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma creek, at the foot of Mt. Hood Comment
  UCD53084  Agrostis pallens Mary M. Hektner 1975-6-2 196 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD53495  Agrostis stolonifera P. B. Kennedy 1917-8-27 s.n. Sonoma Del Mar. Comment
  UCD53519  Agrostis stolonifera P. B. Kennedy 1917-8-27 s.n. Sonoma Del Mar. Comment
  UCD53528  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Sonoma County coast: 5 miles south of Steward Point. Comment
  RSA316038  Aira caryophyllea Patricia Wilder 1934-6-10 3634 Sonoma 1.0 mile N of Jenner on California state Hwy 1.North coast 23 Comment
  UCD55781  Aira caryophyllea Chris Bowen 1974-5-19 136 Sonoma Unit 24 Owners' Map. Sea Ranch. Near Pacific Reach. Near State Highway 1. Comment
  CAS-BOT-BC138209  Aira caryophyllea var. caryophyllea G. DeNevers 1981-5-30 1377 Sonoma Pepperwood Ranch. On the shore of the Pippindale Pond, above the high water mark. Comment
  RSA128795  Aira elegans P. H. Raven 1950-4-23 1913 Sonoma Open wet grassy meadows, Solve quisty. Comment
  CAS-BOT-BC138191  Aira praecox R. E. Frenkel 1964-6-23 611 Sonoma On California Highway 1, 2.3 miles south of Stewarts Point. 18 Comment
  JEPS97571  Aira praecox R. D. Stone 1980-11-28 325 Sonoma Northern part of the Sea Ranch development N of Stewart's Point. Comment
  UCD37149  Aira praecox Beecher Crampton 1957-7-11 4327 Sonoma Sonoma County, 0.9 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  SEINET3917482  Aira praecox Fred W. Hoffman 1944-5-22 1992 Sonoma Cruz Ranch, Sonoma Coast near shore.; 0 Comment
  UC843292  Allium amplectens Alice Eastwood 1915-6-6 4607 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC462381  Allium amplectens Milo S. Baker 1927-6-10 2211 a Sonoma Macartney Woods Comment
  JEPS77859  Allium hickmanii Robert M. Lloyd 1965-5-8 3624 Sonoma 3 mi n. of junction with Aqua Caliente Road Highway 12 (meadow across from Lawrence Triangle End Garage) Comment
  CHSC79062  Allium neapolitanum John B. Nelson 2000-3-7 20944 Sonoma Pacific Coast Range. W side of Guerneville on S edge of River Road (=US Hwy 116). 48 Comment
  POM272871  Allium triquetrum Boone Hallberg 1947-4-12 220 Sonoma Half mile SE of Graton. 91 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
  SEINET12031413  Alnus rhombifolia F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -256 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  RSA800208  Alnus rubra Peter Rubtzoff 1973-10-10 7338 Sonoma Salmon Creek, 0.25 mi south of Freestone along creek canyon. Comment
  CAS-BOT-BC138151  Alopecurus aequalis var. aequalis Peter Rubtzoff 1961-6-17 4635 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC138003  Alopecurus geniculatus Peter Rubtzoff 1959-6-6 4090 Sonoma Willow Creek Marsh. Comment
  RSA262221  Alopecurus saccatus Peter Rubtzoff 1969-5-24 6066 Sonoma 6.5 mi. northeast of Penngrove, on Lichau Road. 427 Comment
  UC29417  Ambrosia psilostachya J. Burtt Davy Oct 1 1896-Jan 1 1900 2852 Sonoma Sonoma Comment
Read comments
Nov 13 2016
  RSA132435  Amelanchier pallida John H. Thomas 1955-5-22 5184 Sonoma Along St. Helena Road and West Creek, 1.2 miles W of Sonoma - Napa County line, 6 miles from St. Helena 457 Comment
  UCD158732  Amelanchier utahensis Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Along Big Sulphur Creek. Ca. 2 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 853 Comment
  CAS-BOT-BC154126  Ammannia Peter Rubtzoff 1973-8-27 7272 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC154862  Ammannia Peter Rubtzoff 1970-8-18 6307 Sonoma 5 miles north of Sears Point. Comment
  SEINET7062934  Amorpha californica var. napensis A. G. Vestal 1947-5-16 s.n. Sonoma About 8.2 miles east of Windsor on Porter Creek Road. UTM Zone 10, 528660mE, 4266821mN. (WGS84/NAD83). 329 Comment
  UC13282  Amorpha californica var. napensis Joseph Burtt Davy and Walter C. Blasdale 1899-7-22 6007 B Sonoma Austin Creek Comment
  CAS-BOT-BC222281  Amsinckia John Thomas Howell 1934-3-26 11787 Sonoma Southwestern base of Mt. Hood Comment
  UCD35298  Amsinckia intermedia Beecher Crampton 1955-4-5 2423 Sonoma Along State Highways 37, 12, about 3 miles east of Schellville. Comment
  JEPS30836  Amsinckia lunaris Rimo Bacigalupi and L. R. Heckard 1962-6-19 8592 Sonoma 1/4 mile southeast of Horseshoe Cove, at northeastern base of low hills forming Bodega Head proper. Comment
  CAS-BOT-BC26809  Amsinckia nigricans Amos Arthur Heller 1902-5-27 5614 Sonoma Bodega Bay Comment
  UC1084538  Amsinckia spectabilis Peter Kamb Ray 1952-5-30 2298 q1 Sonoma Hill 108 between Horseshoe Cove and Mussel Point (n end Bodega Bay); Bodega Head 30 Comment
  RSA0091285  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
  RSA0089704  Amsinckia vestita Amos Arthur Heller 1940-4-22 15547 Sonoma Anderson Valley. Comment
  HSC17830  Anagallis arvensis S. N. Wiemeyer 1962-4-20 25 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  RSA223349  Anagallis arvensis Peter Rubtzoff 1962-8-22 5040 Sonoma Bodega Bay Marsh. Comment
  UC581123  Ancistrocarphus filagineus H. L. Mason 1934-4-28 8093 Sonoma Jenson's Ranch; Dohrmann Creek Comment
  CAS-BOT-BC137819  Andropogon glomeratus var. pumilus F. W. Hoffman 1943-6-17 s.n. Sonoma Guerneville. Comment
  UC558472  Andropogon virginicus var. virginicus J. Bufford 1936-9-8 Sonoma Pitkin Marsh; Pitkin Marsh, Vine Hill District 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
  UC640633  Angelica californica Alice Eastwood, John Thomas Howell 1938-7-6 6084 Sonoma Alder Glen Springs Comment
  CDA38225  Angelica hendersonii T. C. Fuller 1957-9-24 397 -57 Sonoma Jenner. 0 Comment
  CAS-BOT-BC271432  Anisocarpus madioides G. DeNevers 1981-6-6 1463 Sonoma Woodland on N slope of Telegraph Hill, Pepperwood Ranch Comment
  CAS-BOT-BC271434  Anisocarpus madioides Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 3 mile seast of Stewarts Point Comment
  CAS-BOT-BC271435  Anisocarpus madioides Rimo Bacigalupi 1926-5-2 1392 Sonoma Cazadero Comment
  CAS-BOT-BC173816  Anthemis cotula Peter Rubtzoff 1969-8-14 6133 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  CAS-BOT-BC173822  Anthemis cotula Peter Rubtzoff 1969-8-29 6172 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  JEPS97536  Anthoxanthum aristatum R. D. Stone 1980-11-28 320 Sonoma the Sea Ranch; Annapolis Road area just below and W of landing strip Comment
  UC978118  Anthoxanthum aristatum L. Beane and Lois E. James 1949-5-11 1942 Sonoma about halfway between Healdsburg and Windsor Comment
  SD192846  Anthoxanthum occidentale John A. Churchill 1975-5-1 745146 Sonoma On west side of Camp Meeker. Comment
  CAS-BOT-BC280668  Anthoxanthum occidentale Peter Rubtzoff 1955-5-14 1844 Sonoma Duncans Mill Marsh. Area above the Marsh, along a western tributary of Orrs Creek Comment
  UCD85350  Anthoxanthum occidentale M. S. Baker; Virginia Bufford 1936-4-1 245 Sonoma Junction Hwy 1 and road up Gualala. Comment
  UCD151205  Anthoxanthum odoratum James A. Neilson Jr. 1974-7-10 2819 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  UCD56240  Anthoxanthum odoratum Chris Bowen 1974-5-18 118 Sonoma near State Highway 1, Sea Ranch, Unit 7 Owners' Map, near Whalers' Reach. Comment
  UC192792  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum unknown 1880-7 Sonoma Petaluma Comment
  UC717979  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David D. Keck 1944-7-11 5510 Sonoma s bank The Geysers; Mayacamas Range Comment
  POM14617  Antirrhinum virga A. A. Heller 1902-6-26 5775 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CDA36839  Aphanes occidentalis CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  JEPS127941  Aphyllon californicum subsp. californicum Adam C. Schneider with Will Freyman and Songyi Xu 2016-6-27 945 Sonoma Sea Ranch Lodge, west side of CA Hwy 1. North side of Bihler Point on sea bluffs. Comment
  CAS-BOT-BC394997  Aquilegia formosa A. A. Heller 1940-5-10 15601 Sonoma near Fort Ross Comment
  CAS-BOT-BC394990  Aquilegia formosa Saichi Kawahara 1968-4-20 322 Sonoma Trinity Road, 1 mile northwest of Highway 12 152 Comment
  RSA629205  Arctostaphylos Jon E. Keeley 1993-9-11 24795 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
  RSA629218  Arctostaphylos Jon E. Keeley 1993-9-11 24785 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388332  Arctostaphylos Freed W. Hoffman 1947-2-28 764 Sonoma near Healdsburg (headwaters of creek (which is a branch of Mill Creek)); North Coast Ranges, Wild Hog Ridge, Palmer Creek Comment
  UC526220  Arctostaphylos John Thomas Howell 1931-3-14 5773 Sonoma Vine Hill District Comment
  UC535018  Arctostaphylos H. F. Copeland 1933-3-18 A 13 Sonoma on College Ave. Hwy near Santa Rosa; Vine Hill region Comment
  UC665624  Arctostaphylos A. A. Beetle 1940-2-18 1573 Sonoma 10 mi w Santa Rosa; Pitkin Ranch Comment
  CAS-BOT-BC24080  Arctostaphylos bakeri Catherine Best 1986-2-9 1161 Sonoma Stoetz Lane about 3 miles northeast of Occidental. 213 Comment
  CAS-BOT-BC24083  Arctostaphylos bakeri Walter Knight; Stephen W. Edwards 1986-8-17 5511 Sonoma Sweetwater Springs road across from large old mine. Comment
  UC1120874  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1553 Sonoma 1 mi ne Occidental; Sebastopol Quadrangle Comment
  UCD170265  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
  JEPS79448  Arctostaphylos bakeri subsp. bakeri Edward Lee with W. A. Setchell 1936-6-7 2190 Sonoma Bohemian Grove , South ridge fire trail (South ridge fire trail) Comment
  RSA70870  Arctostaphylos bakeri subsp. bakeri Alice Eastwood, John Thomas Howell 1939-4-2 7376 Sonoma Near Camp Meeker on road to Monte Rio. 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
  SEINET11987352  Arctostaphylos canescens W. Knight, Knight, I. 1981-1 3975 Sonoma 4.1 mi up Cavedale Road from jct of CA 12 Comment
  SEINET11987356  Arctostaphylos canescens W. Knight, Knight, I. 1981-1 3986 Sonoma 4.2 mi up Cavedale Rd from jct of CA 12 Comment
  CAS-BOT-BC23971  Arctostaphylos canescens subsp. canescens A. A. Heller; H. E. Brown 1902-3-27 s.n. Sonoma Western base of Mt. Hood Comment
  UC1388358  Arctostaphylos canescens subsp. canescens Freed W. Hoffman 1947-3-12 753 Sonoma Trinity road ne Kenwood (w slope of range); North Coast Ranges, Napa Range Comment
  HSC7612  Arctostaphylos canescens subsp. canescens Freed W. Hoffman 1948-5-10 2677 Sonoma E face Cobb Mtn. 1220 Comment
  CAS-BOT-BC23895  Arctostaphylos canescens subsp. sonomensis H. F. Copeland 1933-3-18 A 12 Sonoma Rincon Ridge, north of Santa Rosa Comment
  CAS-BOT-BC23899  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1931-3-14 5759 Sonoma Rincon Ridge, near Santa Rosa Comment
  UC1120076  Arctostaphylos canescens subsp. sonomensis A. E. Wieslander 1939-3-18 876 Sonoma s edge Rincon Hills; Santa Rosa Quadrangle 121 Comment
  CAS-BOT-BC23602  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11745 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC23645  Arctostaphylos columbiana E. K. Balls; P. C. Everett 1953-10-9 18603 Sonoma .2 mi. n.w. of Ocean Cove, Hwy 1 between Fort Ross and Point Arena, 5 mi. n.w. of Fort Ross 91 Comment
  CAS-BOT-BC23649  Arctostaphylos columbiana Alisa S. M. McKenzie 1981-1-29 24 Sonoma Coast between Russian and Gualala Rivers. Calif. State Hwy. #1 at marker #44.55; Comment
  CAS-BOT-BC24977  Arctostaphylos densiflora Walter Knight; Irja Knight 1980-12-23 3858 Sonoma From California Native Plant Society's Preserve on Vine Hill School Road. Near Graton. Comment
  CAS-BOT-BC24990  Arctostaphylos densiflora Milo S. Baker 1930-3-1 3882 Sonoma Vine Hill region along highway, Brn. Ranch Comment
  CAS-BOT-BC24993  Arctostaphylos densiflora Milo S. Baker 1928-4-18 5045 -G Sonoma Near Vine Hill Schoolhouse. Comment
  CAS-BOT-BC25009  Arctostaphylos densiflora Walter Knight; Irja Knight; J. Sigg; Elizabeth McClintock 1981-3-25 3998 Sonoma Originally from a hybrid swarm at Vine Hill. Comment
  UC571087  Arctostaphylos densiflora H. L. Mason 1931-3-7 5805 Sonoma 12 mi w Santa Rosa; Vine Hill School Comment
  UCD50802  Arctostaphylos densiflora Roman Gankin 1957-11-1 247 Sonoma Vine Hill School Road, 0.1 mile east of juncture with Vine Hill Road. Comment
  SEINET11987279  Arctostaphylos densiflora W. Knight, Knight, I.; McClintock, E.; Sigg, J. 1981-1 4037 Sonoma Strybing Arboretum, San Francisco, originally from Vine Hill District, near Sebastopol Comment
  SEINET11989142  Arctostaphylos densiflora B. A. Stein 1981-1 444 Sonoma Vine Hill Rd, 0.25 mi N of Vine Hill School Rd 46 Comment
  UCD166542  Arctostaphylos glandulosa Dylan O. Burge 2016-2-16 2043 Sonoma Hooker Creek watershed. 520 Comment
  UCD51092  Arctostaphylos glandulosa Roman Gankin; W. R. Hildreth 1967-10-4 1077 Sonoma South-facing slope; near Rocky Mountain; north of Guerneville. Comment
  CAS-BOT-BC23287  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1933-4-2 10941 Sonoma Rincon Ridge near Santa Rosa Comment
  UCD160019  Arctostaphylos glandulosa subsp. cushingiana James A. Neilson Jr. 1975-1-24 3159 Sonoma Mayacmas Mountains; Dominichelli Ranch # 1. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  CDA11142  Arctostaphylos glandulosa subsp. glandulosa G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11553 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Comment
  CAS-BOT-BC24717  Arctostaphylos glandulosa subsp. glandulosa Roger Raiche 1985-9-30 50905 Sonoma Santa Rosa, near end of Parker Hill Road. 243 Comment
  OBI14676  Arctostaphylos hispidula B. F. Smith 1962-8-3 28 Sonoma 3.5 mi NNW of Occidental 158 Comment
  RSA339410  Arctostaphylos hispidula Walter Knight, Irja Knight, Stephen W. Edwards 1985-1-27 5172 Sonoma south of Mt. Tom 5.1 miles west on Kelly Road from Rockpile Road junction 609 Comment
  RSA364256  Arctostaphylos hispidula Roger Raiche 1984-2-3 RR 40028 Sonoma Kelly Road northwest of Mt. Tom (5.3 miles northwest from its origin at Rockpile Road) 533 Comment
  SEINET11993006  Arctostaphylos hispidula Unknown 1984-1 RR 40044 Sonoma on Rockpile Road ca 9.1 mi N of origin of Skaggs Springs-Stewarts Point Road 503 Comment
  CAS-BOT-BC38993  Arctostaphylos manzanita Roger Raiche 1982-11-21 20862 Sonoma Serpentine ridge above Gilliam Creek, East Austin Creek State Rec. Area Comment
  RSA202105  Arctostaphylos manzanita Freed W. Hoffman 1947-2-27 769 Sonoma Long Mountain Farm, near Guerneville. Comment
Read comments
Nov 26 2016
  SD107651  Arctostaphylos manzanita Walter Knight, Irja Knight 1980-12-23 3857 Sonoma On south end of Vine Hill Road. Comment
  UCD51969  Arctostaphylos manzanita Roman Gankin 1957-11-1 248 Sonoma Vine Hill School Road; 0.1 mile east of junction with Vine Hill Road; ca. 10 miles west of Santa Rosa. Comment
  UCR278802  Arctostaphylos manzanita Ann Howald 2016-1-21 3553 Sonoma North Coast Ranges, Annapolis Ridge, c. 0.2 mile north of Annapolis Rd and 0.15 mile west of Soda Springs Rd. 236 Comment
  SEINET11990964  Arctostaphylos manzanita Unknown 1983-1 30499 H Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11990968  Arctostaphylos manzanita Unknown 1983-1 30499 I Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11993337  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4753 Sonoma The Cedars, near Cazadero, on Twitchell Ranch 274 Comment
  SEINET12524595 Image available Arctostaphylos manzanita L. S. Rose 1940-1 40004 Sonoma Rincon Ridge, 2 mi E of Santa Rosa 61 Comment
  CAS-BOT-BC38906  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11302 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38950  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7944 Sonoma Mt. St. Helena Comment
  UCD51968  Arctostaphylos manzanita subsp. laevigata D. Sanchez-Mata; Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio; Dutch Bill Creek. 800 Comment
  CAS-BOT-BC38651  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-4-2 10949 Sonoma 8 miles west of Santa Rosa Comment
  CAS-BOT-BC38654  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5763 Sonoma Rincon Ridge Comment
  CAS-BOT-BC38682  Arctostaphylos manzanita subsp. manzanita Catherine Best 1981-2-15 s.n. Sonoma Trinity Mt. Road between Sonoma and Napa Valleys Comment
  CAS-BOT-BC38717  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1930-3-9 3899 a Sonoma Vine Hill district on Frei Bros. Ranch Comment
  CAS-BOT-BC38720  Arctostaphylos manzanita subsp. manzanita William R. Dudley 1895-2-22 s.n. Sonoma Knight's Valley Comment
  CAS-BOT-BC38723  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1932-3-18 A 4 Sonoma Rincon Ridge, north of Santa Rosa Comment
  POM215749  Arctostaphylos manzanita subsp. manzanita Jens Clausen 1933-3-26 750 Sonoma Baker Ranch, Kenwood, Adobe Canyon. Comment
  SBBG39486  Arctostaphylos manzanita subsp. manzanita L. S. Rose 1970-2-27 70007 Sonoma Vine Hill School Rd 76 Comment
  SBBG60027  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mtn Rd, ca. 8 mi E of Santa Rosa Comment
  RSA94311  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1951-9-15 744 Sonoma Dry, open area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC47332  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1963-8-23 196 Sonoma Jacob Ranch, Calistoga Rd. Comment
  CAS-BOT-BC47346  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1963-12-27 471 Sonoma Pine Flat Rd., Circle S Ranch. 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
  RSA636810  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24754 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  SEINET2028696 Image available Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 Sonoma Rincon Ridge, near Santa Rosa Comment
  UC1084352  Arctostaphylos stanfordiana G. Thomas Robbins 1937-3-25 8 Sonoma 8-10 mi e Santa Rosa (n-facing slope of canyon); Santa Rosa Creek Canyon Comment
  UCR279734  Arctostaphylos stanfordiana Ann Howald 2016-1-23 3555 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
  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
  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
  UC549533  Arctostaphylos uva-ursi J. E. Adams 1934-6-9 826 Sonoma 1 mi s McNamees Store Comment
  RSA202118  Arctostaphylos viscida Freed W. Hoffman 1947-4-3 677 Sonoma Wild Hog Ridge, headwaters Mill Creek, near Healdsburg. Comment
  POM165727  Aristolochia californica A. A. Heller, H. E. Brown 1902-3-12 s.n. Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  SD99366  Aristolochia californica Christopher Davidson 1977-6-17 5975 Sonoma Sate Hwy #12, ca. 3 miles west of Guerneville, along Russian River. 14 Comment
Read comments
Mar 18 2012
  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
  RSA40726  Armeria maritima subsp. californica E. K. Balls, Percy C. Everett 1953-10-9 18602 Sonoma 0.7 mi NW of Salmon Creek, Hwy 1 between Bodega Bay and Jenner, Sonoma Coast State Park. 15 Comment
  CAS-BOT-BC82561  Arnica discoidea Greg de Nevers 1996-6-17 10833 Sonoma CYO camp south of Occidental on Bohemian Hwy. 121 Comment
  CAS-BOT-BC82564  Arnica discoidea W. Knight; I. Knight; Dr. Steve Edwards 1986-6-8 5451 Sonoma Cherry Creek Road W of Cloverdale Comment
  CDA11042  Arnica discoidea G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 11422 Sonoma North Coast Biodiversity Arena; Cavedale Rd. 2.5 m. E of Hwy 12. Comment
  UC573782  Arrhenatherum elatius H. S. Yates 1937-5-30 6557 Sonoma 1 1/2 mi n of Freeestone 91 Comment
  UCSB17230  Artemisia pycnocephala Breedlove, Dennis 1961-12-31 Sonoma At mouth of Russian River 3 Comment
  RSA0015428  Artemisia pycnocephala Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  SEINET258285  Artemisia suksdorfii Leila M. Shultz, John S. Shultz 1986-9-20 10233 .1 Sonoma 1 mile north of Jenner along Pacific Coast Highway 6 Comment
  UCD56044  Arundinaria J. Alexander 1921-11-1 s.n. Sonoma Healdsburg. Comment
  UC730026  Asarum caudatum Leo F. Koch 1940-4-16 788 Sonoma Near road at east entrance to Coleman Valley West of Occidental Comment
  UC6177  Asarum caudatum Dr. Lorini Jun 1896 Sonoma Mount St. Helena Comment
  UCSB3798  Asarum caudatum Keator, Glenn 1959-4-1 Sonoma Abandoned picnic grounds, 1 mile southeast of northern city limits of Camp Meeker Comment
  SEINET10637049  Asclepias fascicularis A. Arthur Heller 1902-6-4 Heller 5643 Sonoma Santa Rosa Comment
  CAS-BOT-BC478543  Asparagus officinalis Walter Knight; Irja Knight 1961-8-26 4726 Sonoma Vacation Beach, near Guerneville Comment
  RSA164631  Aspidotis densa P. C. Everett 1963-11-21 24565 Sonoma Harrison Grade, northeast of Occidental. 76 Comment
  UC1299771  Aspidotis densa Freed W. Hoffman 1947-3-5 812 Sonoma near Guerneville (Gilliam Creek) Comment
  CAS-BOT-BC164696  Asteraceae Peter Rubtzoff 1969-5-3 6010 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC180464  Astragalus breweri Robert F. Hoover 1939-4-18 4038 Sonoma Occidental Comment
  CAS-BOT-BC180465  Astragalus breweri Rimo Bacigalupi 1926-3-27 1250 Sonoma Damp adobe meadow opposite Myrtledale Guyser, 1 1/2 miles north of Calistoga Comment
  POM16000  Astragalus gambelianus A. A. Heller, H. E. Brown, A. H. Heller 1902-4-4 8055 Sonoma Hills east of Santa Rosa Comment
  CAS-BOT-BC186821  Astragalus gambelianus Helen D. Geis 1902-8-1 s.n. Sonoma Pluton Creek Bed Comment
  SBBG221  Athyrium filix-femina var. cyclosorum H. and M. Dearing 1939-5-15 3385 Sonoma N of Fort Ross Comment
  POM143742  Athysanus pusillus A. A. Heller, H. E. Brown 1902-3-24 s.n. Sonoma Hills East of Santa Rosa. Comment
  CAS-BOT-BC290669  Atriplex Peter Rubtzoff 1958-9-20 3996 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  JEPS59627  Atriplex prostrata Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  UC7079  Atriplex triangularis J. Burtt Davy 1897-9-19 4057 Sonoma Petaluma Comment
  UCD37532  Avena Beecher Crampton 1955-3-15 2326 Sonoma Sonoma County, town of Asti. Comment
  CAS-BOT-BC146138  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa Creek, east of Santa Rosa. Comment
  CAS-BOT-BC146141  Avena barbata G. DeNevers 1981-5-9 1018 Sonoma Pepperwood Ranch. By the Red Corral at the McCann Homestead. Comment
  UC1103326  Avena fatua Joseph P. Tracy 1933-5-1 12131 Sonoma Knight's Valley Northern Coast Ranges Comment
  CAS-BOT-BC68345  Azolla filiculoides Peter Rubtzoff 1951-8-4 574 A Sonoma Pitkin Marsh, near Forestville - Northern half of Lower Marsh Comment
  SD254556  Azolla filiculoides Ann Howald, Christina Freeman 2015-1-1 3411 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, northwest corner, south of Marsh Trail (Kenwood 7.5'Q) 362 Comment
  CAS-BOT-BC154150  Baccharis douglasii Peter Rubtzoff 1974-8-4 7798 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC98602  Baccharis douglasii Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC98649  Baccharis douglasii J. W. Congdon 1880-8-2 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC99598  Baccharis pilularis Walter Knight; Irja Knight 1963-8-23 188 Sonoma Joost Ranch, Calistoga Rd Comment
  UC527411  Baccharis pilularis Carl B. Wolf and E. R. Johnson 1934-10-13 Sonoma 2 4/10 mi n of mouth of Russian River 60 Comment
  LA203024  Baccharis pilularis subsp. pilularis C. B. Wolf; E. R. Johnson 1934-10-13 6181 Sonoma 2.4 mi. N of mouth of Russian River 60 Comment
  HSC5131  Baccharis salicifolia P. J. Zinke 1950-4-25 117 Sonoma 2 miles S. of Cloverdale 152 Comment
  UCD163789  Barbarea Peter Rubtzoff 1989-3-13 9981 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  UCD151177  Barbarea orthoceras James A. Neilson Jr. 1974-4-24 2948 Sonoma Mayacmas Mountains. Socrates Mine Road, 1/2 mile east of headquarters, ca 3 1/2 miles southeast of The Geysers. (Elevation estimated using Google Earth by label maker.) 853 Comment
  UCR255701  Barbarea vulgaris Peter Rubtzoff 1989-6-10 10005 Sonoma Along Russian River, c. 6 miles east of Guerneville, at 9850 River Road 14 Comment
  CAS-BOT-BC145830  Beckmannia syzigachne Hy Edwards 1877-1-1 s.n. Sonoma Knight's Valley. Comment
  CAS-BOT-BC145837  Beckmannia syzigachne Peter Rubtzoff 1958-7-5 3740 Sonoma Atascadero Creek Marsh. Comment
  POM210240  Beckmannia syzigachne H. P. Bracelin 1930-7-27 20 Sonoma One mile N. of Fort Ross. Comment
  UC1745654  Beckmannia syzigachne Annetta M. Carter 1934-4-29 508 Sonoma 1 mi. W of Two Rock Junction on rd. to Tomales. Comment
  SBBG68672  Bellardia trixago S. W. Hutchinson -Apr-1927 Sonoma Petaluma 5 Comment
  UCR143598  Bellis perennis G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  CAS-BOT-BC106389  Bellis perennis L. R. Abrams 1920-7-3 7597 Sonoma Gualala River Comment
  CAS-BOT-BC75774  Berberis pinnata Walter Knight; Irja Knight 1963-12-28 482 Sonoma Salmon Creek Road. Comment
  UCR248943  Bidens frondosa Peter Rubtzoff 1960-6-25 4509 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  RSA0015636  Bidens frondosa Peter Rubtzoff 1956-9-15 2905 Sonoma Atascadero Creek Marsh. Comment
  UCR250392  Bidens laevis Peter Rubtzoff 1958-9-27 4015 Sonoma Laguna de Santa Rosa, northeast of Graton, 0.5 mi north of Guerneville Road 20 Comment
  RSA0019010  Bidens laevis Peter Rubtzoff 1967-8-30 5874 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh. Comment
  SEINET7249073  Bidens laevis Peter Rubtzoff 1962-1 5130 Sonoma Pitkin Marsh, near Forestville. Comment
  UC725276 Image available Blennosperma bakeri Milo S. Baker 1946-4-2 11307 Sonoma ca 0.25 mi s Napa Street (in field on e side of street, Hog Wallow w outskirts of Sonoma); Sonoma, Hog Wallow; near Sonoma, Sonoma Co. Comment
  UC735724  Blennosperma bakeri Charles B. Heiser Jr. 1947-3-29 1892 Sonoma western outskirts of Sonoma, about 1/4 mi s of Napa St. Sonoma Comment
  UC30585  Blennosperma nanum var. nanum F. T. Bioletti 1893-4-1 Sonoma Kenwood Comment
  UC337456  Blennosperma nanum var. nanum J. G. Lemmon 1888-3-1 Sonoma Warner's Ranch, Healdsburg Comment
  CAS-BOT-BC154963  Boisduvalia Peter Rubtzoff; Nancy Harrison; Ruth Hass 1974-8-31 7850 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC164674  Boisduvalia Peter Rubtzoff 1972-4-23 6731 Sonoma 4.25 miles W of Glen Ellen on Bennett Valley Road. Comment
  RSA790899  Boisduvalia Peter Rubtzoff 1974-5-26 7491 Sonoma 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  SEINET12194644  Boisduvalia glabella H. K. Wagnon 1988-1 1742 Sonoma Spring Lake Village, Montgomery Drive, Santa Rosa 64 Comment
  CAS-BOT-BC154865  Boisduvalia stricta Peter Rubtzoff 1954-7-27 1578 Sonoma Guerneville Marsh. Comment
  RSA0057963  Boykinia elata Greg de Nevers 1997-9-22 11090 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction. 100 Comment
  HREC396 Image available Brachypodium distachyon Kerry L. Heise 1997-5-8 2025 Sonoma IHRMP study site #6 Asti. 1 1/2 mi south of Asti. Comment
  UCD114608  Brassica juncea Chris Bowen 1974-5-19 130 Sonoma Near Pacific Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA723660  Brassica rapa R. R. Halse 1987-2-22 3374 Sonoma Along State Hwy 121, 0.4 mile E of its junction with State Hwy 116 at Big Bend in the Sonoma Valley. 6 Comment
  UCD57155  Briza maxima B. Crampton 1954-4-26 1790 Sonoma Hwy. 128. About 9 miles SE Geyserville. Comment
  UCD57369  Briza maxima Mary M. Hektner 3 Jun1974 20 Sonoma Sea Ranch. Near State Highway 1. Comment
  CAS-BOT-BC145481  Briza maxima L. Beane; Lois E. James 1949-5-16 1949 Sonoma About 3 miles south of Cloverdale. Comment
  UCD57140  Briza maxima Collector unknown 1941-5-1 Sonoma Montacello Ave. Santa Rosa? Comment
  CAS-BOT-BC145289  Briza minor John Thomas Howell 1935-5-5 12607 Sonoma Kenwood. Comment
  UC750810  Briza minor Charles B. Heiser Jr. 1946-5-19 1753 Sonoma near Duncan Mills; Russian River Comment
  UC76949  Briza minor Michener and Bioletti June, 1893 Sonoma Kenwood Comment
  CAS-BOT-BC361411  Brodiaea californica subsp. leptandra Greg de Nevers 1991-6-22 9753 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. In Devils Kitchen 457 Comment
  SEINET10570437 Image available Brodiaea californica subsp. leptandra A. Arthur Heller 1902-6-23 Heller 5742 Sonoma Pertified Forest. Comment
  SEINET12049904  Brodiaea californica subsp. leptandra Unknown 1985-1 50553 Sonoma W side of Dry Cr. Valley, W of town of Dry Creek, unnamed ridge N of Crane Creek & S of Bradford Mt. 162 Comment
  CAS-BOT-BC484387  Brodiaea elegans subsp. elegans James L. Reveal 1987-6-7 6413 Sonoma Along Cavedale Road, about 1.5 miles south of Trinity Road, about 13 airline miles southeast of Santa Rosa 579 Comment
  CAS-BOT-BC486539  Brodiaea elegans subsp. elegans Roxana S. Ferris; Laura Lorraine 1961-6-15 13573 Sonoma Junction of Occidental Road with Facendini Lane Comment
  RSA376764  Brodiaea elegans subsp. elegans Christopher Davidson 1977-6-20 6008 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  UC768739  Brodiaea leptandra R. F. Hoover 1938-6-14 3604 Sonoma 2 mi se Healdsburg Comment
  JEPS18123  Brodiaea stellaris Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-31 5675 Sonoma at base The Butcher Knife (along secondary road following creek); Big Austin Creek 182 Comment
  SEINET12049826  Brodiaea stellaris F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -237 Sonoma end of Stoetz Road 200 Comment
  JEPS7714  Brodiaea terrestris subsp. terrestris P. B. Kennedy 1919-5-16 Sonoma Del Mar Comment
  JEPS79160  Brodiaea terrestris subsp. terrestris N. Harrison 1978-5-10 1571 Sonoma e end Cunningham Marsh (Blucher Creek drainage); Sebastopol, , Blucher Creek Comment
  UC1300937  Brodiaea terrestris subsp. terrestris Helen K. Sharsmith 1963-5-25 5474 Sonoma Two Rock to Tomales road (w edge of Sonoma County); San Francisco Region 91 Comment
  CAS-BOT-BC486462  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1951-6-30 288 Sonoma Uppermost part of the western branch of the Upper Marsh, near the edge of a thickett Comment
  CAS-BOT-BC486464  Brodiaea terrestris subsp. terrestris Rimo Bacigalupi 1926-3-27 1251 Sonoma Meadow opposite Myrtle dale gyser 11/2 miles north of Calistoga Comment
  CAS-BOT-BC486465  Brodiaea terrestris subsp. terrestris Peter Rubtzoff; Rimo Bacigalupi 1971-6-10 6528 Sonoma South side of W. Railroad Ave. between Fwy. 101 and Stony Point Rd. Comment
  CAS-BOT-BC149491  Bromus arvensis Greg de Nevers 1987-6-1 8188 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 400 Comment
  UCD36682  Bromus carinatus Beecher Crampton 1955-6-17 2929 Sonoma Sonoma County, 1.6 miles west of Forestville, along State Highway 12. Comment
  SEINET3921827  Bromus carinatus Beecher Crampton 1955-6-8 2831 Sonoma Sonoma County, at Napa County border, 5 miles northwest of Calistoga, along State Highway 128.; 0 Comment
  CAS-BOT-BC149093  Bromus carinatus var. carinatus G. DeNevers 1981-6-20 1594 Sonoma Pepperwood Ranch. At confluence of Mark West Creek with Leslie Creek. Comment
  UC1130998  Bromus carinatus var. carinatus H. S. Yates 1936-5-17 5627 Sonoma 2 mi n of Bodega Bay 3 Comment
  CAS-BOT-BC155896  Bromus catharticus var. elatus David L. Morgan 1956-4-24 s.n. Sonoma On State Highway #12, 1 mile east of Schellville Railroad Station. Comment
  JEPS14961  Bromus commutatus H. S. Yates 1937-6-6 6581 Sonoma 8 mi sw of Healdsburg 152 Comment
  RSA0023113  Bromus commutatus Peter Rubtzoff 1976-6-18 8652 Sonoma Kenwood Marsh. Comment
  UCD58473  Bromus commutatus B. Crampton 1955-6-8 2829 Sonoma Along State Hwy. 128. 6 miles northwest of Calistoga. Comment
  LA13805  Bromus diandrus Joseph Andorfer Ewan; 1935-5-12 9222 Sonoma Bodega Bay road 2 mi. W of Bodega Comment
  CAS-BOT-BC155208  Bromus hordeaceus David L. Morgan 1961-5-14 s.n. Sonoma Gold Ridge Road, 4 miles west of Sebastopol. Comment
  CAS-BOT-BC155211  Bromus hordeaceus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53969 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  UC1146638  Bromus laevipes Freed W. Hoffman 1941-6-20 2102 Sonoma near Camp Meeker (North Coast Ranges, Oregon Canyon); North Coast Ranges, Oregon Canyon Comment
  CAS-BOT-BC162393  Bromus laevipes David L. Morgan 1956-6-10 s.n. Sonoma On the Bennett Valley Road, in Crane Canyon, 1 mile east of the junction of the Petaluma-Hill Road. Comment
  RSA176936  Bromus maritimus P. H. Raven 1963-4-28 18249 Sonoma between town of Bodega and Bodega Head. Comment
  CAS-BOT-BC161704  Bromus rubens G. DeNevers 1981-5-23 1300 Sonoma Pepperwood Ranch. North of the Green House. Comment
  UCD60222  Bromus tectorum Freed W. Hoffman 1942-5-11 2264 Sonoma North Coast Ranges. Headwaters of the Gualala River (The Roughs). Comment
  CAS-BOT-BC185424  Bromus vulgaris Roxana S. Ferris; Laura Lorraine 1961-6-14 13536 Sonoma Joy Road grade, 1.8 mile from junction with Bodega Highway. Comment
  CAS-BOT-BC185425  Bromus vulgaris K. Wagnon 1939-5-14 197 Sonoma Eastern edge of Wagnon's rock quarry 5 mile west of Sebastopol. Comment
  CAS-BOT-BC352216  Calamagrostis Peter Rubtzoff 1967-8-22 5856 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  SEINET10789362  Calamagrostis P. Rubtzoff 1971-6-10 Rubtzoff 6537 Sonoma Pitkin Marsh, near Forestville. Near the southern end of the upper part of the marsh. Comment
  CAS-BOT-BC185413  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma State Highway 1, 8.7 miles south of Stewart's Point. Comment
  HSC95464  Calamagrostis bolanderi Colette Beaupre 2000-7-6 Sonoma Near Sea Ranch, CA on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB&M 183 Comment
  UC1779151  Calamagrostis bolanderi Barbara L. Wilson, Sami Gray 1997-7-31 8900 Sonoma Sea Ranch; Big Tree loop trail, which originates between unites [sic] 27A and 29A off Timber Ridge Road, off Deerfield Loop, off Hwy 1 170 Comment
  UCD57517  Calamagrostis nutkaensis Alan A. Beetle 1945-8-4 4012 Sonoma 10 miles north of Fort Ross. Comment
  JEPS128372  Calamagrostis ophitidis Roger Raiche 1999-6-20 016 .99 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA74072  Calamagrostis ophitidis Baker 1947-5-30 s.n. Sonoma 2 miles NE of Occidental along Harrison Grade Comment
  UCD57535  Calamagrostis ophitidis R. Tofsrud 1948-7-1 s.n. Sonoma about halfway between The Geysers and Alexander Valley. Comment
  CAS-BOT-BC438610  Calandrinia ciliata John H. Thomas 1976-6-15 18281 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UC1300960  Calandrinia ciliata H. L. Mason 1963-2-24 Sonoma orchard of H. L. Mason Ranch Kenwood Comment
  CAS-BOT-BC273239  Calendula arvensis Milo S. Baker 1946-4-2 11306 Sonoma Along an overflow channel West side of Sonoma Cr. a mile or so south of El Verano Comment
  UC1101513  Callitriche heterophylla var. bolanderi Malcolm A. Nobs 1949-8-1 1106 Sonoma 2 mi e Stewart's Point (on road to Geyserville) Comment
  UCD150858  Callitriche heterophylla var. bolanderi Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  UC17852  Callitriche trochlearis J. Burtt Davy 1896-3-14 1665 Sonoma Cazadero Comment
  UCR249035  Callitriche verna Peter Rubtzoff 1971-6-26 6572 Sonoma Willow Creek Marsh 9 Comment
  RSA247438  Callitriche verna Peter Rubtzoff 1967-7-30 5847 Sonoma Guerneville March. Comment
  UC400140  Calochortus amabilis Ynes Mexia 1929-6-2 2393 Sonoma near Mark West Springs Comment
  UCD111677  Calochortus amabilis Christopher Mallek 2007-5-13 HC1- 8 Sonoma Hooker Canyon. 590 Comment
  CAS-BOT-BC483276  Calochortus amabilis F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  CAS-BOT-BC483288  Calochortus amabilis James McMurphy 1909-5-29 s.n. Sonoma Canyon near Geyserville Comment
  CAS-BOT-BC483294  Calochortus amabilis Wayne Roderick 1967-5-20 s.n. Sonoma Ida Clayton Road, n.w. side of Mt. St. Helena 304 Comment
  CAS-BOT-BC483295  Calochortus amabilis Wayne Roderick 1967-4-28 s.n. Sonoma Cavedale Road, n. of Sonoma 304 Comment
  RSA13439  Calochortus amabilis H. E. Parks, S. T. Parks 1930-5-9 605 Sonoma Alexander Valley. Comment
  UC1222548  Calochortus luteus Joseph P. Tracy 1950-5-24 18687 Sonoma where Knight's Valley road enters Alexander Valley (and leaves Muyacamas Creek) Comment
  JEPS55606  Calochortus luteus D. M. Hutt 1965-6-17 Sonoma raised at U.C. Botanical Garden 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
  UC3483  Calochortus uniflorus F. T. Bioletti Sonoma Comment
  HSC103444  Calochortus vestae Thomas W. Nelson, Jane Nelson 2004-5-5 9196 Sonoma Along Filex Creek Rd., 2.6 mi. from junction with State Route 101 at Hopland 207 Comment
  UC1876234  Calycadenia fremontii Gerald D. Carr 1971-8-17 640 Sonoma The Geysers. 487 Comment
  UC1876265  Calycadenia fremontii Gerald D. Carr 1972-9-11 731 Sonoma 1.0 mi W of Westside Rd. on Mill Creek Rd., 2.5 mi SW of Healdsburg. 106 Comment
  UC762559  Calycadenia multiglandulosa R. F. Hoover 1938-6-14 3610 Sonoma 3 mi w, on road to Occidental Graton Comment
  CAS-BOT-BC270848  Calycadenia pauciflora David D. Keck 1944-7-11 5511 Sonoma The Geysers, Mayacamas Range Comment
  UC717978  Calycadenia pauciflora David D. Keck 1944-7-11 5511 Sonoma The Geysers Mayacamas Range Comment
  CDA31327  Calycadenia truncata D. G. Kelch 2006-10-4 6 .498 Sonoma Along Cavedale Road about 5 KM E of Route 12. Comment
  RSA0025118  Calycadenia truncata Peter Rubtzoff 1966-8-3 5779 Sonoma Going up Bennett Mountain from Lawndale to Bennett Mountain Lake. Comment
  UCD129583  Calycadenia truncata Frederica Bowcutt 1997-7-19 2190 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.5 air mile SSE of Red Mountain. Mid-slope on S facing side of Adobe Canyon along Vista Trail just E. of Vista Rock (prominent metamorphic rock out crop). 579 Comment
  CAS-BOT-BC272758  Calycadenia truncata subsp. truncata F. G. Krauss 1893-10-4 s.n. Sonoma 5 miles west of Calistoga Comment
  CAS-BOT-BC272761  Calycadenia truncata subsp. truncata Greg de Nevers 1990-7-24 9681 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Devils Kitchen 457 Comment
  CAS-BOT-BC90998  Calycanthus occidentalis G. DeNevers 1981-6-20 1610 Sonoma Pepperwood Ranch. Along Mark West Creek. Also along Leslie Creek. Comment
  CAS-BOT-BC91015  Calycanthus occidentalis Helen D. Geis 1902-8-1 s.n. Sonoma Unspecified. Comment
  UC4383  Calypso bulbosa J. Burtt Davy 1896-3-14 1652 Sonoma Cazadero Comment
  UCD160965  Calyptridium umbellatum James A. Neilson Jr. 1975-7-8 3377 Sonoma Mayacmas Mountains. Near U.S. Geothermal 2, 1/2 mile south of Socrates Mine Road. (Elevation and coordinates estimated by label maker.) 914 Comment
  JEPS87234  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1992-5-2 1268 Sonoma About 3/8 miles northeast of White Rock is about 1 3/4 miles north of Jimtown 377 Comment
  RSA0059882  Calystegia collina subsp. oxyphylla Milo S. Baker 1898-6-11 648 Sonoma Little Sulphur Creek. Comment
  CAS-BOT-BC498782  Camassia quamash subsp. linearis Peter Rubtzoff 1952-5-10 1030 Sonoma Lower part of the Upper Marsh; The Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC498784  Camassia quamash subsp. linearis H. C. Cantelow 1940-4-20 3888 Sonoma N of Fork Ross, Hwy 1 Comment
  CAS-BOT-BC498785  Camassia quamash subsp. linearis L. R. Abrams 1915-4-28 s.n. Sonoma Mr. Burbank's Garden, Santa Rosa Comment
  RSA799989  Camissonia Peter Rubtzoff 1972-4-23 6739 Sonoma 4.25 mi. W. of Glen Ellen on Bennett Valley road. Comment
  NY679548  Camissonia cheiranthifolia subsp. cheiranthifolia A. A. Heller 1940-5-17 15626 Sonoma On the bluff N of the town of Bay, Bodega Bay. Comment
  RSA186808  Camissonia cheiranthifolia subsp. cheiranthifolia Peter H. Raven 1963-4-28 18247 Sonoma between town of Bodega and Bodega Head. Comment
  HSC16502  Camissonia ovata R. F. Good 1962-4-20 1 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes. Sonoma Mt. Coast Range. 46 Comment
  LA93755  Camissoniopsis cheiranthifolia David C. Fruchtenicht; 1965-5-1 54 Sonoma 60 yards from the sea, Marine Biological Station, Horseshoe Cove, Boedga Head 15 Comment
  CAS-BOT-BC160366  Camissoniopsis cheiranthifolia subsp. cheiranthifolia John Thomas Howell 1930-6-8 5273 Sonoma At north end of Bodega Bay Comment
  UC353824  Campanula californica Milo S. Baker 1928-6-28 3046 b Sonoma Pitkin Marsh Vine Hill District Comment
  CAS-BOT-BC266417  Campanula californica Mary P. Wells 1984-8-8 430 Sonoma Deer Trail, The Sea Ranch Comment
  SEINET10463915  Campanula californica Wolf 1927-9-2 WOLF 1355 Sonoma 21 MI S OF GUALALA RIVER ON COAST ROAD 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
  UCR23658  Campanula prenanthoides John C. Roos 1957-7-2 s.n. Sonoma Miller Ridge Comment
  SEINET10905925  Campanula prenanthoides P. Rubtzoff 1951-8-25 Rubtzoff 667 Sonoma Forested hills southeast of Guerneville Comment
  CAS-BOT-BC37770  Cardamine californica F. Almeda; G. DeNevers 1981-3-30 4889 Sonoma Pepperwood Ranch. Summit and east-facing slope of Three Tree Hill. Comment
  CAS-BOT-BC37773  Cardamine californica George H. Mallory 1920-3-29 s.n. Sonoma On east side of Rincon Valley 6 miles east of Santa Rosa. Comment
  CDA37789  Cardamine californica G. F. Hrusa, R. Gross 1996-3-8 12657 Sonoma North Coast Biodiversity Arena; Above lower Foote Creek. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  SD130426  Cardamine californica F. Almeda, G. DeNevers 1981-3-30 4889 Sonoma Pepperwood Ranch Comment
  RSA177977  Cardamine californica var. integrifolia R. F. Thorne 1965-4-19 34303 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  RSA63681  Cardamine californica var. integrifolia Milo S. Baker 1950-4-1 12155 Sonoma West side of Los Guilicos Val[ley] near old R.R. tracks. Comment
  JEPS128267  Cardamine oligosperma Roger Raiche 2000-4-8 027 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC72002  Cardamine oligosperma Milo S. Baker 1898-3-26 697 Sonoma Santa Rosa , hills near McDonald's Reservoir (hills near McDonald's Reservoir) Comment
  RSA73977  Cardamine oligosperma Milo S. Baker 1952-3-20 12391 Sonoma Western outskirts of Sonoma on 5th St. near Bettencourt Comment
  JEPS128330  Cardamine pachystigma var. dissectifolia Roger Raiche 2010-4-17 016 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC173679  Carduus Peter Rubtzoff 1959-6-13 4141 Sonoma Willow Creek Marsh. Comment
  UCR254736  Carex abrupta Peter Rubtzoff 1958-5-17 3658 Sonoma Laguna de Santa Rosa north of Sebastopol, near Occidental Road 18 Comment
  CAS-BOT-BC344827  Carex abrupta Peter Rubtzoff 1960-5-20 4394 Sonoma Laguna de Santa Rosa east of Graton, between Occidentalis and Guerneville roads. Comment
  CAS-BOT-BC18146  Carex athrostachya Peter Rubtzoff 1960-5-15 4325 Sonoma Fife Creek Marsh. Comment
  UCD112452  Carex athrostachya Peter Rubtzoff 1960-5-29 4426 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Rd.) Comment
  CAS-BOT-BC19364  Carex barbarae John Thomas Howell; J. W. Stacey 1937-6-6 13023 Sonoma Sebastopol. Comment
  CAS-BOT-BC329310  Carex barbarae Peter Rubtzoff 1975-7-3 8153 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC329311  Carex barbarae Peter Rubtzoff 1976-5-30 8577 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC422341  Carex barbarae Peter Rubtzoff 1958-5-3 3623 Sonoma Atascadero Creek Marsh. Comment
  JEPS63751  Carex barbarae R. Kuhn 1913-6-27 Sonoma Sonoma Comment
  CHSC55604  Carex bolanderi James Jokerst 1985-4-26 2269 Sonoma Near Caldwell Ranch. Comment
  CAS-BOT-BC34025  Carex brevicaulis John Thomas Howell 1938-7-3 13954 Sonoma 3 miles south of Sebastopol. Comment
  UCD140186  Carex buxbaumii Frederica Bowcutt 1994-6-12 1851 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. Adobe Canyon along Pony Gate Trail along east west trending stretch before entering woodland. 411 Comment
  CAS-BOT-BC34424  Carex cusickii Peter Rubtzoff 1951-6-10 189 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  RSA94278  Carex cusickii Peter Rubtzoff 1951-7-14 434 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  CAS-BOT-BC20478  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13020 Sonoma Sebastopol. Comment
  CAS-BOT-BC20485  Carex densa Peter Rubtzoff 1952-5-31 1122 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC20489  Carex densa James D. Jokerst 1985-4-26 2272 Sonoma Near Caldwell Ranch. Comment
  CAS-BOT-BC20500  Carex densa Peter Rubtzoff 1974-6-2 7514 Sonoma Sonoma County Marshes. Upper Green Valley Marsh. Comment
  CAS-BOT-BC20512  Carex densa Peter Rubtzoff 1955-5-21 1860 Sonoma Sonoma County Marshes. Forestville Marsh. North facing slope bordering the marsh in the south. Comment
  CAS-BOT-BC246547  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Stony Point Marsh Comment
  CAS-BOT-BC246555  Carex densa Peter Rubtzoff 1958-5-3 3621 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC474744  Carex densa James A. Neilson, Jr. 1974-8-19 2852 Sonoma Mayacmas Mountains. Little Geysers 731 Comment
  UCD151070  Carex densa James A. Neilson Jr. 1974-6-1 2767 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, ca. 3 1/2 mi. west of Whispering Pines and state highway 175, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  CAS-BOT-BC20503  Carex densa Peter Rubtzoff 1962-5-30 4853 Sonoma Sonoma County Marshes. Upper Freestone Marsh. Comment
  RSA94279  Carex dudleyi Peter Rubtzoff 1951-6-16 245 Sonoma N half of lower Pitkin Marsh, SE of Forestville Comment
  UCR250036  Carex exsiccata Peter Rubtzoff 1955-9-9 2115 Sonoma Bodega Head Marsh 2 Comment
  RSA121756  Carex exsiccata H. S. Yates 1936-5-17 5632 Sonoma 2 miles NE of Graton. 30 Comment
  RSA52330  Carex exsiccata J. T. Howell 1946-8-17 22858 Sonoma The Laguna east of Sebastopol Comment
  CAS-BOT-BC320586  Carex feta Peter Rubtzoff 1975-7-3 8147 Sonoma Kenwood Marsh. Comment
  UC825094  Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh Comment
  UCR249912A  Carex feta Peter Rubtzoff 1975-7-3 8147 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC20449  Carex globosa John Thomas Howell 1945-5-30 20913 Sonoma Vine Hill School. Comment
  UC904940  Carex globosa John Thomas Howell 1945-5-30 20913 Sonoma Vine Hill School Comment
  UCR198235  Carex globosa Dean Kelch 2007-5-13 07 .298 Sonoma Bouverie Preserve; east of Hwy 12 near Glen Ellen 110 Comment
  CAS-BOT-BC20445  Carex globosa G. DeNevers 1981-4-4 661 Sonoma Pepperwood Ranch. High in 1st Canyon S of Pepperwood-Pippindale Gate on W side of Creek. Comment
  CAS-BOT-BC28330  Carex gracilior Henry Nicholas Bolander 1866-3-1 4635 Sonoma Petaluma. Comment
  CAS-BOT-BC28365  Carex gracilior Peter Rubtzoff 1955-4-30 1794 Sonoma Stony Point Marsh Comment
  CAS-BOT-BC28369  Carex gracilior Peter Rubtzoff 1955-4-30 1808 Sonoma Forestville Marsh. Comment
  UC8079  Carex gracilior H. N. Bolander 1866-4 4635 Sonoma Petaluma Comment
  CAS-BOT-BC28333  Carex gracilior Henry Nicholas Bolander 1864-4-1 3814 Sonoma Meadow near mark West Creek. Comment
  RSA0022389  Carex gracilior Peter Rubtzoff 1959-4-18 4029 Sonoma Laguna de Santa Rosa northeast of Graton, about 0.5 miles north of Guerneville road crossing Comment
  UCD112361  Carex gracilior Peter Rubtzoff 1955-4-30 1794 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC328118  Carex gynodynama Peter Rubtzoff 1964-6-3 5348 Sonoma Bodega Bay Marsh. Comment
  RSA51940  Carex gynodynama J. T. Howell 1947-6-5 23231 Sonoma Cunningham Marsh Comment
  UCR249355  Carex gynodynama Peter Rubtzoff 1957-5-4 3310 Sonoma Duncan Mills Marsh 2 Comment
  CAS-BOT-BC21905  Carex harfordii Peter Rubtzoff 1957-5-4 3306 Sonoma Duncan Mills Marsh. At the border of the upper portion of the marsh. Comment
  CAS-BOT-BC21909  Carex harfordii Peter Rubtzoff 1955-5-21 1867 Sonoma Forestville Marsh. North facing slope bordering the marsh in the south. Comment
  CAS-BOT-BC249315  Carex harfordii Peter Rubtzoff 1960-5-16 4351 Sonoma Duncan Mills Marsh Comment
  UCD112445  Carex harfordii Peter Rubtzoff 1954-6-20 1499 Sonoma Guerneville Marsh. Comment
  UCR248725  Carex hassei Peter Rubtzoff 1962-5-11 4819 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  CAS-BOT-BC422373  Carex hendersonii Peter Rubtzoff 1957-6-28 3387 Sonoma Duncans Mills Marsh. Comment
  RSA0023074  Carex hendersonii Peter Rubtzoff 1960-5-16 4360 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC31177  Carex lemmonii Peter Rubtzoff 1951-6-7 140 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  UC1100573  Carex lemmonii Herbert L. Mason 1946-7-4 12889 Sonoma Pitkin Marsh; between Santa Rosa and Forestville Comment
  UCR249048  Carex leptopoda Peter Rubtzoff 1954-6-19 1495 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC119578  Carex nudata John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells 1982-4-28 54677 Sonoma Bouverie Audubon Preserve, ca 1.5 mi E of Glen Ellen near Stuart Creek. 137 Comment
  SEINET10711633  Carex nudata Prouty 1980-4-12 PROUTY 122 Sonoma T8N, R7W, sec. 8 Porter Creek Rd., .1 mi. west of the junction with Petrified Forest Rd. Mixed Evergreen, south side of road along Porter Creek. 256 Comment
  UCD150841  Carex obnupta Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  UCD140707  Carex obnupta R. N. Raynor 1942-4-10 s.n. Sonoma 9 miles west of Petalum on road to Tomales. Comment
  CAS-BOT-BC119278  Carex ovalis Peter Rubtzoff 1951-6-17 265 Sonoma Pitkin Marsh, near Forestville. Eastern Branch of the Upper Marsh. Comment
  CAS-BOT-BC119286  Carex ovalis John Thomas Howell; J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC118942  Carex pellita John Thomas Howell; J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  UC826685  Carex pellita John Thomas Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  RSA52171  Carex praegracilis J. T. Howell 1947-6-26 23295 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC331479  Carex rostrata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville. Comment
  UCR248927  Carex simulata Peter Rubtzoff 1975-7-3 8146 Sonoma Kenwood Marsh 120 Comment
  RSA0020343  Carex simulata Peter Rubtzoff 1976-5-30 8561 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC329282  Carex stipata Peter Rubtzoff 1960-5-22 4410 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville roads). Comment
  CAS-BOT-BC371453  Carex subbracteata Peter Rubtzoff 1955-5-14 1842 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC116780  Carex subbracteata var. subbracteata John Thomas Howell 1947-6-5 23238 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC116787  Carex subbracteata var. subbracteata Catherine Best 1985-5-15 1086 Sonoma Bodega Head. Comment
  CAS-BOT-BC329284  Carex tumulicola Peter Rubtzoff 1954-8-2 1620 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC329285  Carex tumulicola Peter Rubtzoff 1957-5-26 3368 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC350933  Carex tumulicola Peter Rubtzoff 1954-7-5 1541 Sonoma Guerneville Marsh. Comment
  UC2030916  Carex utriculata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville Comment
  RSA269282  Carthamus lanatus T. C. Fuller 1970-9-29 19804 Sonoma S21, T5N, R8W, N side of Valley Ford Road, 6 miles W of Petaluma. Comment
  CDA7003  Carthamus leucocaulos T. C. Fuller 1978-8-17 20253 Sonoma 1.6 km (1 mile) west of freeway exit, Highway 101, Asti. 0 Comment
  UCR18581  Carthamus tinctorius John C. Roos, L. Roos 1959-9-2 6599 Sonoma North Coast Ranges, Healdsburg, Healdsburg dump Comment
  CDA41344  Castilleja ambigua T. C. Fuller 1958-5-24 4013 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  JEPS128272  Castilleja applegatei subsp. martinii Roger Raiche 2000-4-7 019 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD122304  Castilleja attenuata Collector unknown Date unknown s.n. Sonoma location unknown. Comment
  SEINET7067275  Castilleja densiflora A. G. Vestal 1947-5-13 s.n. Sonoma About 4.8 miles east of Annapolis. Coordinate datum: NAD27. UTM Zone 10, 475046mE, 4286799mN. Comment
  UC27170  Castilleja densiflora subsp. densiflora Harley P. Chandler 1900-5-25 706 Sonoma Bodega Bay Comment
  JEPS19395  Castilleja exserta subsp. exserta G. Thomas Robbins 1938-4-15 261 Sonoma 6-7 mi w Santa Rosa (along road to Graton) Comment
  SEINET12331446  Castilleja foliolosa F. H. Utech 1986-1 86 -104 Sonoma ca 3 mi NE on Cavedale Road from junction with CA 12 250 Comment
  CAS-BOT-BC32542  Castilleja inornata Alice Eastwood; John Thomas Howell 1939-4-2 7367 Sonoma Sonoma coast, north of Bodega Bay Comment
  CAS-BOT-BC243848  Castilleja latifolia Peter Rubtzoff 1952-6-10 1242 Sonoma Resort at east base of Fitch Mtn., near Healdsburg Comment
  JEPS19385  Castilleja subinclusa subsp. franciscana G. Thomas Robbins 1938-4-15 256 Sonoma 2.5 mi e Bodega Bay (along road to Bodega) Comment
  JEPS60454  Castilleja subinclusa subsp. franciscana T. I. Chuang and F. M. Chuang 1969-6-29 6692 Sonoma 3.9 mi n Jenner (on Highway 1) Comment
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Jun 1 2015
  UC353922  Castilleja subinclusa subsp. franciscana Milo S. Baker 1928-3-24 2721 a Sonoma 5 mi w Healdsburg (Martin Ranch) Comment
  JEPS35571  Castilleja wightii L. R. Heckard 1964-6-12 1383 Sonoma about 2 mi n Russian River (ravine off Calif Hwy 1, near the point where this road descends into Russian Gulch); Russian Gulch Comment
  JEPS3671  Castilleja wightii C. R. Bell 1951-6-6 1133 Sonoma about 1 mi s Bodega (rocky point between State Hwy 1 and Bodega Bay) Comment
  UC1032389  Castilleja wightii H. S. Yates 1934-4-21 3811 Sonoma Bodega Point; Duncan Mills Quad. 7 Comment
  UC26494  Castilleja wightii Harley P. Chandler 1900-5-25 710 Sonoma Bodega Bay Comment
  CAS-BOT-BC195606  Catapodium rigidum Leo Koch 1940-5-19 964 Sonoma Wood residence, 349 Second Avenue, Santa Rosa Comment
  CAS-BOT-BC47802  Ceanothus John Thomas Howell 1935-5-5 12618 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  JEPS42276  Ceanothus H. L. Mason 1931-3-8 Sonoma 8 mi w Santa Rosa (between Santa Rosa and Guerneville, near Vine Hill School) Comment
  CAS-BOT-BC48514  Ceanothus confusus Alice Eastwood 1923-5-9 11749 Sonoma Mt. St. Helena Comment
  RSA21893  Ceanothus confusus J. T. Howell 1935-5-5 12621 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  SBBG119964  Ceanothus confusus A. Howald 2007-4-2 2459 Sonoma Goodspeed Trail above Sonoma Crk, ca. 0.3 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 260 Comment
  UC18316  Ceanothus confusus F. T. Bioletti 1892-1 Sonoma Comment
  UCD111359  Ceanothus confusus Milo S. Baker 1939-3-20 9244 Sonoma 4 miles N of Santa Rosa on road past County Hospital. Comment
  CAS-BOT-BC48511  Ceanothus confusus W. Knight; I. Knight; Dr. Steve Edwards 1986-6-9 5445 Sonoma North Burma Trail, Annadel State Park 114 Comment
  CAS-BOT-BC49075  Ceanothus cuneatus J. Harry Goff 1937-4-1 s.n. Sonoma Sonoma Creek Canyon near Kenwood Comment
  RSA339398  Ceanothus cuneatus Roger Raiche 1985-4-6 50182 Sonoma Dry Creek area near Healdsburg, ridge W of Dry Creek Valley, unamed road N of Dorman Canyon on ridge. 244 Comment
  UCD111749  Ceanothus cuneatus G. F. Hrusa 1995-4-2 12041 Sonoma along Franz Valley School Road, approximately 1.25 miles NW of Napa/Sonoma county line. 250 Comment
  SEINET12210805  Ceanothus divergens W. Knight, Knight, I. 1983-1 4663 Sonoma Tilden Botanic Garden, Berkeley. Orig coll. from Franz Valley School Rd Comment
  RSA754440  Ceanothus divergens subsp. confusus Dylan O. Burge 2007-4-10 DOB 833 d Sonoma SE flank of Mount Hood, near the junction of Bear Creek and Sonoma Creek, along the Goodspeed Trail, 3.44 km 19 degrees true NNE of Kenwood. 200 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
  SEINET13945879 Image available Ceanothus foliosus A. E. Wieslander 1938-1 860 Sonoma 3 miles E of Mt. St. Helena, T9N R7W. Alt 1500 ft Comment
  CAS-BOT-BC49906  Ceanothus foliosus var. foliosus Walter Knight; Cliff Schmidt 1987-2-27 6057 Sonoma Cavedale Road 274 Comment
  CDA31311  Ceanothus foliosus var. foliosus D. G. Kelch, Ed Biffin 2010-5-3 10 .194 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCD112133  Ceanothus foliosus var. vineatus L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  CAS-BOT-BC49998  Ceanothus gloriosus Milo S. Baker 1935-4-1 8028 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50003  Ceanothus gloriosus John Thomas Howell 1935-5-5 12615 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50008  Ceanothus gloriosus John Thomas Howell 1935-5-5 12619 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC725659  Ceanothus gloriosus var. exaltatus A. A. Heller 1942-3-15 16400 Sonoma Vine Hill region on the Eastwest road below the Vine Hill School. Comment
  CAS-BOT-BC49950  Ceanothus gloriosus var. exaltatus Milo S. Baker 1931-3-7 s.n. Sonoma About 10 mi. West of Santa Rosa at Frei Ranch Comment
  CAS-BOT-BC49953  Ceanothus gloriosus var. exaltatus J. Clausen 1933-3-26 742 Sonoma southern boundary of the Frey Brothers Ranch, about 10 miles west of Santa Rosa on the Santa Rosa-Graton Road Comment
  HSC101102  Ceanothus gloriosus var. exaltatus Peter Warner 2011-8-12 231 Sonoma Jenner Headlands, mid-upper Jenner Gulch watershed, ridgetop, about 1.6 km N42 deg. E fr. cottage on Willig Extension 322 Comment
  SEINET12211380  Ceanothus integerrimus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -270 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SD56785  Ceanothus integerrimus var. macrothyrsus Darley F. Howe 1963-5-23 3529 Sonoma 4 mi. no. of Cloverdale on #128 334 Comment
  CAS-BOT-BC50602  Ceanothus jepsonii Alice Eastwood; John Thomas Howell 1939-4-2 7377 Sonoma Near Camp Meeker on road to Monte Rio Comment
  CAS-BOT-BC50645  Ceanothus jepsonii James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge sout of the Geysers Comment
  CAS-BOT-BC50649  Ceanothus jepsonii Gladys L. Smith 1977-3-30 4651 Sonoma Harrison Grade, Occidental region 457 Comment
  RSA107840  Ceanothus jepsonii L. S. Rose 1955-3-21 55030 Sonoma 2 mi NE of Occidental 213 Comment
  UCD112073  Ceanothus jepsonii P. Zinke 1949-6-14 64 Sonoma Divide between Ery Creek and Smith Creek. 457 Comment
  CAS-BOT-BC51869  Ceanothus parryi H. E. McMinn 1922-6-7 s.n. Sonoma Near Monte Rio Comment
  POM136671  Ceanothus parryi A. A. Heller, H. E. Brown 1902-4-22 5337 Sonoma Bet Santa Rosa and Agua Caliente Comment
  SD133984  Ceanothus parryi Greg de Nevers, Frank Alameda 1987-4-11 8138 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 99 Comment
  CAS-BOT-BC51887  Ceanothus parryi Roger Raiche 1985-4-6 RR 50183 Sonoma West of Healdsburg, Dry Creek area, ridge West of Dry Creek Valley and North of Dorman Canyon (Crane Creek) 243 Comment
  UCD112486  Ceanothus parryi Collector unknown Date unknown s.n. Sonoma S.W. part of county. Comment
  UC1614462  Ceanothus purpureus Charles M. Belshaw 1936-3-8 1582 Sonoma 3/4 mi. n. Annadel (n.w. of Kenwood) 144 Comment
  CAS-BOT-BC53041  Ceanothus sonomensis A. A. Heller; H. E. Brown 1902-3-27 s.n. Sonoma Western Base of Mt. Hood Comment
  CAS-BOT-BC53044  Ceanothus sonomensis J. Clausen 1933-3-25 723 Sonoma Along the road from Warfield to Oakville, about 4 miles east of Warfield 213 Comment
  CAS-BOT-BC83736  Ceanothus sonomensis D. O. Burge; C. Miller 2007-6-12 939 b Sonoma Mayacmas Mountains, head of Hooker Canyon 560 Comment
  CHSC114356  Ceanothus sonomensis D. G. Kelch; Ed Biffin 2010-5-30 10 .193B Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. 71 Comment
  CAS-BOT-BC52346  Ceanothus thyrsiflorus Mary P. Wells 1985-9-12 617 Sonoma Near creek through the golf course, The Sea Ranch Comment
  UC1071493  Ceanothus velutinus H. S. Yates 1934-4-21 3816 Sonoma near Guerneville; Duncans Mills Quad. Comment
  CDA7232  Centaurea iberica Bremner 1929-8-5 Sonoma Healdsburg region. 0 Comment
  RSA662536  Centaurium floribundum J. C. Roos 1957-7-3 6652 Sonoma Healdsberg Comment
  JEPS21727  Centaurium trichanthum Lyman Benson 1930-6-18 2165 Sonoma 4 mi s Santa Rosa (San Francisco Bay watershed); North Coast Ranges, San Francisco Bay 60 Comment
  SEINET12337137  Centaurium trichanthum Unknown 1986-1 60285 Sonoma at the Lac Co. line: Mayacamas Mts, Pine Mt fireroad, ca.1/2mi.N of Ida Clayton Rd 747 Comment
  CDA388  Centaurium venustum D. G. Kelch 2003-7-14 3 .379 Sonoma Cavedale Road. Comment
  CAS-BOT-BC279397  Centromadia pungens subsp. pungens W. Knight; I. Knight 1984-8-26 5422 Sonoma Willow Creek Road 60 Comment
  UC952861  Centromadia pungens subsp. pungens Milo S. Baker 1951-11-1 12386 Sonoma near Kenwood (in a field at Maplewood); Maplewood Comment
  CAS-BOT-BC251307  Cerastium Peter Rubtzoff 1967-8-28 s.n. Sonoma Lower Salmon Creek Marsh. Comment
  JEPS86810  Cerastium arvense Jack and Betty Guggolz 1991-4-26 1119 Sonoma between Hwy. 1 and ocean just s. of s. end of Meyers Grade Rd. 182 Comment
  CAS-BOT-BC384978  Cerastium arvense Catherine Best 1983-4-16 s.n. Sonoma Along the Coleman Valley Rd. about 5 miles West of Occidental Comment
  CDA36843  Cerastium glomeratum 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
  UCD160139  Cerastium glomeratum James A. Neilson Jr. 1974-3-27 3013 Sonoma Mayacmas Mountains. The Geysers. Site A-74. (Elevation and exact location estimated by label maker; in Mayacmas Flora it says this collection number is from Truit Creek.) 365 Comment
  UCD98062  Cerastium glomeratum Peter Rubtzoff 1951-6-16 241 Sonoma Pitkin Marsh, near Forestville. Western branch of upper marsh. Comment
  CAS-BOT-BC388440  Cerastium glomeratum Ella Dales Cantelow 1940-4-20 3444 Sonoma N. of Ft. Ross, Hy 1 Comment
  CAS-BOT-BC400222  Ceratophyllum demersum Greg de Nevers 1991-8-8 9769 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In largest Double Pond 475 Comment
  CAS-BOT-BC400224  Ceratophyllum demersum Greg de Nevers 1996-10-18 10888 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In Biggest Double Pond 487 Comment
  CAS-BOT-BC400225  Ceratophyllum demersum Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  SEINET176827  Cercocarpus betuloides John T. Howell 1933-4-2 10938 Sonoma Sonoma Creek Canyon Comment
  CDA7376  Chamaemelum fuscatum T. C. Fuller 1970-5-4 19483 Sonoma 1 mile west of the freeway overpass, Highway 101, Asti. 0 Comment
  UCD35265  Chamaemelum fuscatum Beecher Crampton 1955-3-14 2319 Sonoma Asti. Comment
  RSA432493B  Chamaesyce serpillifolia L. S. Rose 1935-9-11 35624 Sonoma 2 mi N of Healdsburg. 40 Comment
  UC1481824  Cheilanthes covillei Milo Baker 1902-4 4 a Sonoma Hood Mt Comment
  CAS-BOT-BC166902  Chenopodium Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7844 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC166658  Chenopodium Peter Rubtzoff 1969-9-21 6184 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA783837  Chenopodium Peter Rubtzoff 2012-3-7 8370 Sonoma South side of American River in the vicinity (west) of Watt Ave. bridge. Comment
Read comments
Sep 29 2013
  RSA783838  Chenopodium Peter Rubtzoff 1971-7-23 6616 Sonoma Laguna, Chileno Valley. Comment
  RSA201186  Chenopodium botrys Peter Rubtzoff 1965-8-22 5615 Sonoma Russian River bottom at Forest Hills (5.5 miles E of Guerneville). Comment
  UC168633  Chenopodium botrys T. S. Brandegee July, 1885 Sonoma Cloverdale Comment
  RSA756235  Chenopodium botrys Barbara Ertter 1988-11-5 8029 Sonoma Lake Sonoma 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  CAS-BOT-BC354325  Chlorogalum pomeridianum Peter Rubtzoff 1958-7-19 3765 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC493399  Chlorogalum pomeridianum Roxana S. Ferris; Laura Lorraine 1961-6-14 13527 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  CAS-BOT-BC493400  Chlorogalum pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian River Comment
  CAS-BOT-BC499262  Chlorogalum pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian River 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
  SEINET3992037  Chlorogalum pomeridianum Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15089 Sonoma In chaparral, 2 miles North of Geyserville Comment
  JEPS50856  Chlorogalum pomeridianum var. pomeridianum H-M. Beard Jun 26 1967-Jun 27 1967 61 .104 Sonoma Comment
  CAS-BOT-BC191597  Chorizanthe cuspidata var. cuspidata John Thomas Howell 1930-6-8 5271 Sonoma at N end of Bodega Bay Comment
  POM179712  Chorizanthe cuspidata var. cuspidata J. T. Howell 1930-6-8 5271 Sonoma North end of Bodega Bay. Comment
  CAS-BOT-BC191512  Chorizanthe cuspidata var. villosa H. D. Ripley; R. C. Barneby 1945-6-22 6950 Sonoma Bodega Bay 15 Comment
  CAS-BOT-BC191550  Chorizanthe cuspidata var. villosa Walter Knight; Irja Knight 1963-8-13 164 Sonoma Horseshoe Cove Comment
  POM165491  Chorizanthe cuspidata var. villosa Katherine Brandegee 1905-06 s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC173825  Chrysanthemum Peter Rubtzoff 1970-9-3 6369 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA0070606  Cirsium douglasii var. douglasii Peter Rubtzoff 1970-9-3 6368 Sonoma Hillside marsh above Shell Beach in Sonoma Coast State Beach area. Comment
  CAS-BOT-BC290636  Cirsium occidentale var. occidentale Peter Rubtzoff 1958-7-26 3801 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UC1299442  Cirsium occidentale var. venustum Freed W. Hoffman 1947-5-30 516 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UC30833  Cirsium occidentale var. venustum F. T. Bioletti 1892-7-24 Sonoma Glen Ellen Comment
  RSA0070858  Cirsium quercetorum J. T. Howell 1930-6-8 5247 Sonoma 1 mile east of Bodega Bay. Comment
  CAS-BOT-BC285750  Cirsium remotifolium Alice Eastwood; John Thomas Howell 1938-7-6 6088 Sonoma Alder Glen Springs Comment
  CAS-BOT-BC285757  Cirsium remotifolium Alice Eastwood; John Thomas Howell 1938-7-6 6088 Sonoma Alder Glen Springs Comment
  UCD160913  Cirsium vulgare James A. Neilson Jr. 1975-7-8 3418 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  RSA458845  Clarkia amoena subsp. amoena Unspecified 1941-6-20 s.n. Sonoma Between Santa Rosa and Ukiah, Highway 101 Comment
  CAS-BOT-BC172205  Clarkia concinna A. A. Heller 1902-6-26 5776 Sonoma Along Sonoma Creek, at the foot of Mt. Hood 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
  CAS-BOT-BC172202  Clarkia concinna Mark Okada 1975-5-25 s.n. Sonoma Route 128, north of Cloverdale Comment
  CAS-BOT-BC172204  Clarkia concinna Dorothy Scherer 1997-5-16 132 Sonoma Skaggs Springs Rd, south side, 10-11 mi. east of Hwy. 1 365 Comment
  UCD104412  Clarkia concinna Amelie Blyth 1952-5-4 8- 4 Sonoma Along highway between Geyserville and Stewart's Point, about 6 miles from Geyserville. Comment
  UCD160114  Clarkia gracilis James A. Neilson Jr. 1973-6-3 2970 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC163137  Clarkia gracilis subsp. sonomensis Michener; Bioletti 1893-6-1 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC163148  Clarkia gracilis subsp. sonomensis Alice Eastwood 1915-6-5 4592 Sonoma Petrified Forest Comment
  CAS-BOT-BC163130  Clarkia gracilis subsp. sonomensis Peter H. Raven; R. Snow 1958-7-23 13686 Sonoma 8.3 miles east of Skaggs Springs on road to Stewarts Point Comment
  LA87839  Clarkia imbricata H. Lewis; M. Lewis 1951-7-10 865 Sonoma 6230 Vine Hill Rd, between Santa Rosa and Guerneville Comment
  RSA0060039  Clarkia imbricata Peter H. Raven, R. Snow 1958-7-23 13692 Sonoma 4551 Vine Hill Road, near Pitkin Marsh Comment
  UC424795  Clarkia purpurea Milo S. Baker 1930-6-6 4165 a Sonoma between Wake Robin Lodge and Brenner's Comment
  JEPS43668  Clarkia rhomboidea Eleanor Armstrong 1932-5-18 488 Sonoma 3 mi w Kenwood; Adobe Canyon 152 Comment
  POM187327  Clarkia unguiculata Marcus E. Jones 1931-7-5 29038 Sonoma The Geysers. Comment
  UCD55329  Clarkia unguiculata Ellen Dean 2006-6-28 3172 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  CAS-BOT-BC439401  Claytonia gypsophiloides D. E. Breedlove 1983-4-11 58681 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  JEPS101053  Claytonia gypsophiloides Dean W. Taylor 1973-2-19 2062 Sonoma Near Camp Meeker along Bohemian Road 152 Comment
  CAS-BOT-BC439639  Claytonia parviflora subsp. parviflora G. H. Mallory 1920-3-29 s.n. Sonoma East end of Sonoma Ave, Santa Rosa Comment
  SEINET5173903  Claytonia perfoliata Unknown 1994-4-3 74 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  UCD144660  Claytonia perfoliata Rimy Waraich; Patty Togioka, Erik Beever 1993-5-8 228 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Pony Gate Trail. 304 Comment
  CAS-BOT-BC92748  Clematis ligusticifolia Peter Rubtzoff 1962-9-16 5087 Sonoma Vacation Beach, 1.5 mile below Guerneville. Along Russian River. Comment
  UC302140  Clematis ligusticifolia Marcus E. Jones, A. M. 1882-7-18 Sonoma Duncan's Mills Comment
  CAS-BOT-BC92743  Clematis ligusticifolia Volney Rattan 1884-6-1 s.n. Sonoma Russian River. Comment
  UCD13248  Clintonia andrewsiana Becky Wilson 1973-5-31 115 Sonoma Canyon Rd, W of Geyserville. Comment
  SEINET3159375  Collinsia concolor L. S. Rose 1939-5-14 39121 Sonoma 1 mi E of Bodega Bay Comment
  RSA63335  Collinsia heterophylla Milo S. Baker 1950-6-12 12279 Sonoma Hillside opposite Maplewood, near Kenwood. Comment
  RSA92819  Collinsia heterophylla Peter H. Raven 1950-4-6 1593 Sonoma Vernal Flats, Santa Rosa to Rincon Ridge. 183 Comment
  SEINET12335260  Collinsia heterophylla F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -253 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UC424769  Collinsia sparsiflora var. sparsiflora Milo S. Baker Apr 1929 3569 C Sonoma South East Macdonald Reservoir is in the hills just e of Santa Roasa and about 1/2 mi s of the Sonoma Hwy (State 12) South East Macdonald Reservoir Comment
  UCD158784  Collomia heterophylla James A. Neilson Jr. 1974-6-1 2878 Sonoma Mayacmas Mountains, west of Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation and coordinates estimated by label maker). 1066 Comment
  SJSU6041  Conium maculatum C. W. Sharsmith 1972-6-24 7803 Sonoma 0.5 mi E of Forestville NW of Sebastopol, southern Sonoma County Comment
  CDA12903  Conyza canadensis G. F. Hrusa, R. Gross, F. Luna 1996-3-29 12737 Sonoma North Coast Biodiversity Arena; Above water disposal area at end of Neeley Rd. 2 m. S of Guerneville and 3 m. N of Bohemian Grove on Russion River. Comment
  SD56667  Corallorhiza maculata Darley F. Howe 1963-7-3 3591 Sonoma 20 miles north of junction with #12 on #1, under redwoods. Comment
  SEINET12327524  Cordylanthus pilosus W. Knight, Knight, I. 1984-1 5074 Sonoma 4.1 mi up Cavedale Rd from St. 12 640 Comment
  CAS-BOT-BC238223  Cordylanthus tenuis subsp. brunneus Greg de Nevers 1991-7-15 9758 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  CHSC107300  Cordylanthus tenuis subsp. brunneus D. G. Kelch; Troy McGregor 2010-8-22 10 .353 Sonoma Nr Peak of Geyser Peak Rd. In open areas on serpentine. Comment
  UC762589  Cordylanthus tenuis subsp. capillaris Robert F. Hoover 1941-6-7 5307 Sonoma 2 mi se Monte Rio (on road to Camp Meeker) Comment
  SD53397  Corethrogyne filaginifolia var. filaginifolia Darley F. Howe 1962-7-29 3365 Sonoma 12 miles north of Jenner on Highway 1. Comment
  RSA0057952  Cornus Greg de Nevers 1998-5-25 11266 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  SD260941  Cornus Peter Rubtzoff 1973-8-31 7290 Sonoma Upper Green Valley Marsh, slope of Green Valley Road bank bordering the marsh. Comment
  RSA223352  Cornus glabrata Peter Rubtzoff 1958-8-9 3861 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  CAS-BOT-BC210429  Cornus sericea Peter Rubtzoff 1951-7-22 534 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC210438  Cornus sericea J. W. Congdon 1880-6-6 s.n. Sonoma Bloomfield Comment
  CAS-BOT-BC210440  Cornus sericea John Thomas Howell 1945-7-18 21317 Sonoma Pitkin Marsh Comment
  RSA800124  Cornus sericea Peter Rubtzoff 1970-8-31 7290 Sonoma Upper Green Valley Marsh, slope of Green Valley Road bank bordering the marsh. Comment
  HSC100847  Cortaderia jubata J. P. Smith, J. O. Sawyer, & R. J. Cole 2009-10-11 12695 Sonoma Along Bay Highway (Hwy. 1) in Bodega Bay. 15 Comment
  CAS-BOT-BC180190  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1963-9-15 296 Sonoma Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC173590  Cotula coronopifolia Peter Rubtzoff 1969-7-21 6119 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC173690  Cotula coronopifolia Peter Rubtzoff 1970-10-29 6419 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  RSA94302  Cotula coronopifolia Peter Rubtzoff 1952-5-10 1011 Sonoma Lower part of the Upper Marsh Comment
  SFV8415  Cotula coronopifolia B. Stanfield 1966-5-8 30 Sonoma Sandy flats near beach, 0.5 miles south of Bodega Bay. Comment
  UCD130896  Cotula coronopifolia Charles B. Heiser Jr. 1946-3-29 1891 Sonoma on road to Sonoma from Napa, Hwy 12. Comment
  CAS-BOT-BC427646  Crassula aquatica Greg de Nevers 1993-5-30 10461 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 457 Comment
  CAS-BOT-BC427659  Crassula aquatica Peter Rubtzoff 1969-6-14 6074 Sonoma 6.5 mi. northeast of Penngrove, on Lichau Road 426 Comment
  RSA0073842  Crassula solieri Reid V. Moran, Charles Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1.0 km east of Glen Ellen. 110 Comment
  SEINET11909863  Crataegus douglasii W. Knight, Knight, I. 1982-1 4609 Sonoma between Occidental and Freestone Comment
  CAS-BOT-BC143512  Crataegus gaylussacia Lewis S. Rose 1962-6-1 62066 Sonoma 1 mi. nw of Freestone [This locality is near Freestone Marsh] 76 Comment
  NY435883  Crataegus gaylussacia A. A. Heller 1902-8-20 6052 Sonoma Lagoon at Scbastopol. Comment
  UC750804  Crocanthemum scoparium var. scoparium Charles B. Heiser Jr. 1946-5-19 1744 Sonoma w Santa Rosa; Vine Hill Comment
  CAS-BOT-BC257333  Crocosmia X crocosmiiflora Peter Rubtzoff 1970-10-3 6412 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC190103  Crypsis schoenoides John Thomas Howell 1957-9-16 32979 Sonoma Russian River bottom, near Guerneville. Comment
  UC598646  Cryptantha flaccida John Bright 1936-5-2 13106 Sonoma Healdsburg Comment
  UC280520  Cryptantha muricata Katharine Brandegee Sonoma Mt. St. Helena Comment
  RSA785747  Cucurbita Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  RSA785748  Cucurbita Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  HSC100102  Cupressus macnabiana J. P. Smith, & J. O. Sawyer 2010-4-26 12721 Sonoma 641 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
  UCD133584  Cupressus macrocarpa Chris Bowen 1974-5-19 131 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1; by the playground. Comment
  CAS-BOT-BC85475  Cupressus sargentii Roxana Stinchfield Ferris; L. Lorraine 1961-6-15 13565 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road Comment
  UC1134241  Cupressus sargentii R. Bacigalupi 1935-7-17 2374 Sonoma 10 m e Healdsburg (at s end of Pine Flat); Calistoga Quad., Mayacamas Range, Pine Flat Comment
  UCD132950  Cupressus sargentii Frederica Bowcutt 1997-7-18 2187 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  HSC3650  Cynoglossum grande R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1337 Sonoma Near the Big Geysers Comment
  POM63635  Cynoglossum grande A. A. Heller, H. E. Brown 1902-3-14 5052 Sonoma Near Santa Rosa Comment
  UC480633  Cynoglossum grande Carl Meyer 1928-3-3 315 Sonoma Santa Rosa Comment
  CAS-BOT-BC312690  Cynosurus Peter Rubtzoff 1971-6-5 6515 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC190472  Cynosurus echinatus Mary P. Wells 1981-8-2 s.n. Sonoma Trail north off Crow's Nest Road and east of Spy Glass Lane. The Sea Ranch. Comment
  UC552760  Cynosurus echinatus Joseph P. Tracy 1935-7-7 14048 Sonoma near the Geysers; near the Geysers 609 Comment
  UCD60140  Cynosurus echinatus Gerry North 1993-4 47 Sonoma Flora of Sugarloaf Ridge State Park. Ca. 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood and 18 air miles northwest of Napa. At first pullout on right after Goodspeed trailhead, less that 0.2 mile east of park entrance gate. 243 Comment
  CAS-BOT-BC114518  Cyperus eragrostis Walter Knight; Irja Knight 1963-9-29 228 Sonoma In ditch on Lakeville hwy near freeway. Comment
  CAS-BOT-BC113904  Cyperus niger var. capitatus Peter Rubtzoff 1951-6-10 193 Sonoma Plants of the Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC113905  Cyperus niger var. capitatus Peter Rubtzoff 1951-6-16 219 Sonoma Plants of the Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC113902  Cyperus niger var. castaneus Milo S. Baker 1938-6-1 10184 Sonoma Wet spot Bennett Valley Road. Comment
  CAS-BOT-BC435187  Cypselea humifusa Peter Rubtzoff 1966-6-26 5764 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  UCD105688  Cytisus scoparius Andreas Stohr 1996-5-19 17 Sonoma Roadside 7 miles west of Petaluma. 100 Comment
  UC65289  Dactylis glomerata A. A. Heller 1902-6-7 5657 Sonoma Santa Rosa Comment
  UCR248714  Dactylis glomerata Peter Rubtzoff 1968-7-13 5921 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC192265  Danthonia californica L. R. Abrams 1918-4-27 6918 Sonoma Independence School near Healdsburg Comment
  CAS-BOT-BC192280  Danthonia californica John Thomas Howell 1935-5-5 12611 Sonoma 6 miles from Santa Rosa, on road to Sonoma Comment
  CAS-BOT-BC210134  Danthonia californica Peter Rubtzoff 1958-5-10 3642 Sonoma Laguna de Santa Rosa east of Cunningham, near the Llano road crossing. Comment
  CDA31317  Danthonia californica D. G. Kelch, Ed Biffin 2010-5-3 10 .21 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  SBBG117242  Danthonia californica B. Crampton 1965-5-13 7339 Sonoma ca. 8.5 mi SE of Geyserville, S end of Alexander Valley. Jct of Calistoga (St Hwy 128) and Chalk Hill Rds Comment
  UC1026469  Danthonia californica Peter Rubtzoff 1952-5-31 1096 Sonoma Upper Marsh Pitkin Marsh (eastern branch, near Forestville) Comment
  UCD144428  Danthonia californica Frederica Bowcutt; Jolie Hendricks, Jeff Kennedy 1994-5-1 1793 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. Campground S of Sonoma Creek approx. 125 yds. 1/4 mile NW of confluence of Rattlesnake Creek, meadow in center of campground. 350 Comment
  UCD60467  Danthonia californica P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified Forest Road. Comment
  SBBG115622  Danthonia californica B. Crampton 1964-5-12 6952 Sonoma ca. 14 mi NW of Calistoga on St Hwy 128, jct with Chalk Hill Rd Comment
  UCD60472  Danthonia californica R. Tofsrud 1947-6-16 s.n. Sonoma 1 mi. W of Two Rock School. Comment
  UCD33239  Danthonia californica var. americana Beecher Crampton 1967-5-15 7935 Sonoma Sonoma County, 14 miles N.W. of Calistoga on Hwy. 128 near Chalk Hill road. Comment
  JEPS15985  Daucus carota W. L. Jepson 1931-7-19 15936 Sonoma Bodega, Watson School 152 Comment
  POM133425  Daucus pusillus A. A. Heller, H. E. Brown 1902-5-27 5610 Sonoma Bodega Bay Comment
  CAS-BOT-BC9575  Delphinium bakeri Milo S. Baker 1929-5-3 3429 Sonoma Coleman Valley Comment
  CHSC60191  Delphinium bakeri J. Lund 1980-4-12 Sonoma 0.1 mile west of Petrified Forest Road and Porter Creek Road junction. Comment
  RSA0005301  Delphinium bakeri Milo S. Baker 1939-05 9489 Sonoma Coleman Valley Comment
  UC72779  Delphinium decorum subsp. tracyi Milo S. Baker 1898-4-4 Sonoma near Sea View Comment
  SDSU10039  Delphinium hesperium D. F. Howe 1963-7-2 3577 Sonoma 4.2 miles north of junction with #12 and #1. 30 Comment
  UC118585  Delphinium hesperium subsp. hesperium Michener and Bioletti 1892-5-30 932 a Sonoma Hood's Peak Comment
Read comments
Jun 5 2007
  CAS-BOT-BC10096  Delphinium luteum L. W. Burbank 1917-4-25 s.n. Sonoma Bodega Comment
  CAS-BOT-BC10128  Delphinium luteum A. A. Heller 1940-5-17 15634 Sonoma On State Highway #1, a mile or so east of Bodega Bay Comment
  RSA32813  Delphinium luteum A. A. Heller 1940-5-17 s.n. Sonoma Along Hwy 1, mile or so east of Bodega Bay. Comment
  SEINET4445145  Delphinium luteum A. A. Heller, H. E. Brown 1902-1 Sonoma Comment
  UC467759  Delphinium nudicaule H. P. Chandler 1907-4-21 7520 Sonoma road from Glen Ellen to Oakville near summit Comment
  UCSB31448  Delphinium nudicaule Townsend, J. 1977-5-29 Sonoma West side U.S. 101; 2 miles north of Petaluma Comment
  CAS-BOT-BC121723  Delphinium patens subsp. patens Volney Rattan 1880-1-1 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC17105  Delphinium uliginosum Maxine Wilkes 1933-5-21 s.n. Sonoma Near Mt. St. Helena Comment
  CAS-BOT-BC7771  Delphinium variegatum John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54669 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  UC907684  Delphinium variegatum G. Thomas Robbins 1937-5-23 191 Sonoma along Santa Rosa-Sebastopol road near Wright School Comment
  RSA177978  Dendromecon rigida Robert F. Thorne 1965-4-19 34305 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 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
  CAS-BOT-BC11003  Dendromecon rigida subsp. rigida Mrs. H. C. Cantelow 1940-4-6 s.n. Sonoma Triniti Road, about 7 miles from Boyes Spring. Comment
  UC767083  Deschampsia cespitosa subsp. beringensis R. F. Hoover 1941-5-14 5072 Sonoma 1 mi. n. Valley Ford Comment
  SDSU992  Deschampsia cespitosa subsp. cespitosa D. F. Howe 1963-7-3 3587 Sonoma 20 miles north of junction with #12 on #1 Comment
  UC1011016  Deschampsia cespitosa subsp. cespitosa Virginia Bufford 1936-5-19 283 Sonoma 10 mi. from Santa Rosa (Sonoma Mt. Rd.) Comment
  CAS-BOT-BC192607  Deschampsia cespitosa subsp. holciformis John Thomas Howell 1945-5-30 20898 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC201646  Deschampsia danthonioides G. DeNevers 1981-5-14 1155 Sonoma Top of Horse Hill near the Water Tank Comment
  CAS-BOT-BC201959  Deschampsia elongata A. A. Heller 1902-6-7 5653 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC201970  Deschampsia elongata Peter Rubtzoff 1960-5-30 4429 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC201971  Deschampsia elongata J. Burtt Davy 1896-7-1 s.n. Sonoma Near Guerneville Comment
  CAS-BOT-BC227656  Deschampsia elongata Peter Rubtzoff 1964-6-24 5373 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC227672  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. Comment
  HSC100955  Deschampsia elongata Peter Warner 2011-5-13 194 Sonoma Jenner Headlands , Dairy Field, northern area, S of Johnson Ranch, along cattle trails, ~250 m E of Hwy. 1. 87 Comment
  UC9933  Dicentra formosa Harley P. Chandler 1900-5-25 669 Sonoma Bodega Comment
  CAS-BOT-BC209247  Dichanthelium acuminatum subsp. acuminatum R. D. Stone; G. Clifton 1983-6-16 553 Sonoma Little Geysers, upper Big Sulphur Creek drainage. 701 Comment
  RSA126986  Dichanthelium acuminatum var. fasciculatum H. S. Yates 1936-5-6 5589 Sonoma two miles southeast of Forestville 30 Comment
  UC421854  Dichelostemma capitatum Milo S. Baker 1898-3-1 701 Sonoma near Santa Rosa Comment
  CAS-BOT-BC502212  Dichelostemma capitatum Wayne Roderick 1967-5-20 s.n. Sonoma n.w. edge of Santa Rosa 45 Comment
  CAS-BOT-BC502214  Dichelostemma capitatum A. A. Heller 1902-3-14 5065 Sonoma near Windsor Comment
  CAS-BOT-BC502215  Dichelostemma capitatum A. A. Heller; H. E. Brown 1902-3-14 5065 Sonoma near Windsor Comment
  CAS-BOT-BC502551  Dichelostemma congestum Alice Eastwood 1921-5-8 10437 Sonoma Petaluma Comment
  RSA39845  Dichondra donelliana Vanderwal 1941-11-6 s.n. Sonoma Frank Silva property, Sebastopal. Comment
  CAS-BOT-BC183609  Digitaria Peter Rubtzoff 1971-8-23 6656 Sonoma Meacham Road, 0.35 mi. S of Stony Point Road. Comment
  UCD167957  Digitaria James Neilson 1981-7-16 4049 Sonoma Mayacmas Mountains. Big Sulphur Cr. At bridge crossing road to Cloverdale. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR255869  Digitaria sanguinalis Greg de Nevers 1996-9-23 10879 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 476 Comment
  UCD64156  Digitaria sanguinalis David L. Morgan 1956-9-7 Sonoma Sunnyslope Ave., Petaluma. Comment
  CAS-BOT-BC151880  Diplacus congdonii Milo S. Baker 1927-4-12 2073 a Sonoma S.E. slope Hood's Peak 335 Comment
  CAS-BOT-BC151750  Diplacus kelloggii A. A. Heller; H. E. Brown 1902-4-14 5282 Sonoma Near Mark West Springs Comment
  UCR30861  Dipsacus sativus John C. Roos 1948-8-29 3962 Sonoma North Coast Ranges, Healdsburg Comment
  UC1134581  Disporum hookeri H. S. Yates 1934-4-21 3802 Sonoma near Bodega 91 Comment
  UCD64557  Distichlis spicata Beecher Crampton 1957-7-11 4315 Sonoma At the western edge of Bodega Harbor, about 2 miles by road, west of the town of Bodega Bay. Comment
  UC73554  Dodecatheon hendersonii Milo S. Baker 1898-4 734 Sonoma ne Santa Rosa; ne of Santa Rosa Comment
  SD88563  Dodecatheon hendersonii Darley F. Howe 1972-2-20 4804 Sonoma Mt. Hood Range Comment
  SEINET12330778  Downingia concolor W. Kinght, Knight, I. 1986-1 5446 Sonoma East side of McDowell Boulevard, Petaluma, between Sunrise Drive and Corona Road Comment
  UC1244020  Downingia concolor var. concolor John H. Weiler 1961-4-30 6197 Sonoma 1.2 mi w Schellville railroad station (along State Highway 37) Comment
  CAS-BOT-BC71014  Dryopteris arguta Volney Rattan 1877-6-25 s.n. Sonoma Cloverdale Comment
  UC1936226  Dryopteris expansa W. Born Jun 2008 s. n. Sonoma Pomo Canyon Campground, Sonoma Co. coast Comment
  UCR143604  Dudleya G. F. Pratt, C. Pierce 2003-6-12 s.n. Sonoma Pacific Coast, Salt Point State Park 12 Comment
  CAS-BOT-BC109485  Dudleya Roxana S. Ferris 1932-5-27 8260 Sonoma Bluffs northern end of Bodega Bay. Comment
  CAS-BOT-BC411378  Dudleya caespitosa Peter Rubtzoff 1952-6-10 1245 Sonoma Resort at E base of Fitch Mtn., near Healdsburg Comment
  SEINET12217534  Dudleya cymosa F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -238 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC213758  Dudleya eastwoodiae Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC428376  Dudleya farinosa Marcus E. Jones 1882-7-17 3347 Sonoma Duncan's Mills Comment
  JEPS49923  Dudleya farinosa W. L. Jepson 1931-7-19 15941 Sonoma n Salmon Creek (cliffs) Comment
  UC499854  Dudleya farinosa Roxana S. Ferris 1932-5-27 8260 Sonoma n end Bodega Bay (bluffs) Comment
  UC933226  Dudleya farinosa Reid Moran June 1949 3185 Sonoma Jenner Comment
  CAS-BOT-BC210132  Echinochloa Peter Rubtzoff 1971-8-31 6663 Sonoma Todd Road near Stony Point Road. Comment
  UCD166224  Echinodorus berteroi Peter Rubtzoff 1970-8-5 6297 Sonoma Five miles north of Sears Point. 11 Comment
  UCD165969  Ehrendorferia chrysantha James A. Neilson Jr. 1975-7-8 3421 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  CAS-BOT-BC113727  Eleocharis acicularis Catherine Best 1981-8-22 s.n. Sonoma At the pond on Stoltz Lane about 2 miles NE of Occidental. Comment
  UC1810  Eleocharis macrostachya Michener and Bioletti 1893-5-27 Sonoma Glen Ellen Comment
  UCD49742  Eleocharis palustris S. Galen Smith; Malcolm A. Nobs 1949-8-1 1113 Sonoma Bog 2 miles east of Stewart's Point on road to Geyserville, Sonoma County. Comment
  CAS-BOT-BC112166  Eleocharis radicans Peter Rubtzoff 1951-7-14 446 Sonoma Southern half of the Lower Marsh. Comment
  UC1026475  Eleocharis rostellata Peter Rubtzoff 1951-7-21 495 Sonoma near Forestville (southern half of Lower Marsh); Pitkin Marsh Comment
  CAS-BOT-BC213785  Elymus X hansenii D. E. Breedlove 1980-6-28 44805 Sonoma Pepperwood Ranch W of Knights Valley Comment
  JEPS27642 Image available Elymus divergens J. Burtt Davy 1897-9-18 4037 Sonoma near Petaluma; ; Near Petaluma, Sonoma Co. Comment
  UCD61432  Elymus elymoides Beecher Crampton 1959-6-16 5386 Sonoma 1 mile E of Occidental. Comment
  UCD61840  Elymus glaucus Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-19 23 A Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA129232  Elymus glaucus H. S. Yates 1937-6-5 6574 Sonoma 3 miles S.S.E. of Wildwood; Santa Rosa 122 Comment
  UCD62293  Elymus glaucus R. Tofsrud 1941-3 51 Sonoma Sonoma Co. Comment
  CAS-BOT-BC203705  Elymus glaucus subsp. glaucus Mary P. Wells 1984-5-24 282 Sonoma Annadel State Park, Santa Rosa Comment
  UCD105386  Elymus glaucus subsp. glaucus Frederica Bowcutt 1994-6-12 1846 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. about 20 ft. Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  UC20095  Epilobium brachycarpum J. Burtt Davy Aug. 1896 4139 Sonoma Russian River Comment
  CAS-BOT-BC268079  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1967-8-28 5867 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  UCR248960  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-24 1985 Sonoma Forestville Marsh 71 Comment
  RSA800033  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1524 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  RSA800035  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1693 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC262973  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-8-10 1676 Sonoma Bodega Head Marsh. Comment
  CHSC22088  Epilobium ciliatum subsp. watsonii Robert A. Schlising; G. Keator 1963-7-27 2631 Sonoma Coast Ranges. In marsh on east side of Bodega Peninsula. Comment
  UCD105932  Epilobium ciliatum subsp. watsonii Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 96 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA46765  Epilobium ciliatum subsp. watsonii L. S. Rose 1947-5-9 47136 Sonoma Bodega Bay 6 Comment
  UC909712  Epilobium densiflorum Milo S. Baker July 1950 12305 Sonoma along old r.r. right-of-way about 1 1/2 mi nw Kenwood (along Lawndale Rd) Comment
  UCD148363  Epilobium densiflorum Peter Rubtzoff 1955-8-27 2094 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC262786  Epilobium hallianum Peter Rubtzoff 1959-5-30 4058 Sonoma Freestone Marsh, ca. 1 mile northwest of Freestone. Comment
  JEPS128204  Epilobium minutum Roger Raiche 2000-4-30 052 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1301103  Epilobium minutum Helen K. Sharsmith 1963-5-25 5486 Sonoma near Occidental; San Francisco Bay Region, Occidental Grade 152 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
  UCD148324  Epilobium torreyi Peter Rubtzoff 1954-7-27 1578 Sonoma Guerneville Marsh. Comment
  UC1585376  Epipactis gigantea R. Raiche, K. Zadnik, and H. Forbes 1989-10-1 UCBG 3 Sonoma On Skaggs Springs-Stewarts Point Rd. 6.9 km w Soda Springs (e of Stewarts Point, along river); Gualala River Comment
  CAS-BOT-BC173542  Equisetum Peter Rubtzoff 1973-8-21 7253 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC173545  Equisetum Peter Rubtzoff 1973-8-21 7254 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA784481  Equisetum Peter Rubtzoff 1973-8-21 7255 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD165326  Equisetum Peter Rubtzoff 1973-8-21 7253 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD165777  Equisetum Peter Rubtzoff 1973-8-29 7285 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD165778  Equisetum Peter Rubtzoff 1973-8-31 7291 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC57038  Equisetum arvense Peter Rubtzoff 1954-8-13 1705 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC57208  Equisetum hyemale subsp. affine Mary P. Wells 1981-7-1 s.n. Sonoma Goat Rock State Beach Comment
  UC211449  Equisetum hyemale subsp. affine Michener and Bioletti Mar, 1893 Sonoma Hood's Peak Comment
  UCR255026  Equisetum hyemale subsp. affine Greg de Nevers 1993-5-16 10447 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  CAS-BOT-BC164656  Equisetum hyemale var. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh. Comment
  RSA94454  Equisetum hyemale var. affine Peter Rubtzoff 1951-6-10 191 Sonoma The Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  UCR279623  Equisetum hyemale var. californicum Peter Rubtzoff 1961-10-23 4785 Sonoma Laguna de Santa Rosa area northeast of Graton 20 Comment
  CAS-BOT-BC173612  Equisetum laevigatum Peter Rubtzoff 1958-4-26 3602 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD144427  Equisetum laevigatum Caitlin Lewis; William Mutch 1993-4-17 16 Sonoma about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile near visitor center. Along Sonoma Creek. 365 Comment
  CAS-BOT-BC57646  Equisetum telmateia Peter Rubtzoff 1960-5-16 4354 Sonoma Duncans Mills Marsh Comment
  SEINET6031838  Equisetum telmateia P. L. Henderson 1977-4-30 77 -7 Sonoma Bodega Bay Comment
  SEINET11614128  Equisetum telmateia subsp. braunii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -149 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  CAS-BOT-BC311809  Eragrostis Peter Rubtzoff 1965-8-16 5603 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC312697  Eragrostis Peter Rubtzoff 1970-9-2 6357 Sonoma Russian River bottom at Mirabel Park. Comment
  UCR248774  Eragrostis Peter Rubtzoff 1965-8-16 5602 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  CAS-BOT-BC213572  Eragrostis hypnoides Peter Rubtzoff 1970-9-2 6355 Sonoma Rusian River bottom at Mirabel Park Comment
  CAS-BOT-BC204643  Eragrostis mexicana subsp. virescens G. DeNevers 1981-7-31 1776 Sonoma Pepperwood Ranch. At Cresta Stable Comment
  CAS-BOT-BC284186  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1963-9-28 5278 Sonoma Fitch Mtn. Grove, 2 mi. east of Healdsburg, Russian River Comment
  RSA785230  Erechtites glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 mi SE of Guerneville. Comment
  RSA784477  Erechtites minimus Peter Rubtzoff 1974-8-4 7799 Sonoma Upper Green Valley Marsh area. Comment
  RSA784478  Erechtites minimus Peter Rubtzoff 1958-8-23 3916 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  JEPS19249  Ericameria arborescens W. T. Mooney 1915-9-1 Sonoma Petaluma Comment
  UC1299284  Ericameria arborescens Freed W. Hoffman 1946-10-25 1239 Sonoma Wild Hog Ridge between Palmer and Porte Creeks North Coast Ranges, Wild Hog Ridge (metamorphosed sandstone, near Guernville) 457 Comment
  CAS-BOT-BC293372  Erigeron Greg de Nevers 1996-7-17 10855 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Oak Hill Ranch 487 Comment
  CAS-BOT-BC366902  Erigeron Greg de Nevers 1997-8-17 11078 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  UCD132089  Erigeron Jackie Sinkey; Rene Westbrook 1976-4-14 s.n. Sonoma Bodega Head. Comment
  SD40124  Erigeron glaucus Edith A. Purer 1932-7-24 4080 Sonoma Bodega Bay Comment
  UCSB50241  Erigeron glaucus Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach; T6n R11W 18 Comment
  UC1192210  Erigeron greenei Verne Grant, Herbert L. Mason 1946-7-5 12898 Sonoma 2 mi east of Occidental Comment
  CAS-BOT-BC368066  Erigeron philadelphicus Greg de Nevers 1998-5-26 11264 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Creek 400 Comment
  JEPS78826  Eriodictyon californicum Edward Lee 1936-6-7 2185 Sonoma South ridge Fire Trail Bohemian Grove Comment
  UC1124285  Eriodictyon californicum E. Armstrong 1934-3-26 924 Sonoma 3 mi w Camp Meeker; Sebastopol Quadrangle Comment
  UC1193343  Eriodictyon californicum R. H. Neuns 1950-4-28 97 Sonoma 8 mi e Cloverdale; Quad. 60B3 640 Comment
  SEINET12329974  Eriodictyon californicum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -191 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  JEPS128291  Eriogonum cedrorum Roger Raiche 2008-7-26 018 .08 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS82262  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-BC259253  Eriogonum latifolium John H. Thomas 1976-6-15 18301 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UC1084471  Eriogonum latifolium G. Thomas Robbins 1937-6-6 236 Sonoma along roadside near Bodega Bay Comment
  SEINET6894807  Eriogonum latifolium W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma 5 miles north of Fort Ross. Comment
  UCD100328  Eriogonum latifolium Frederica Bowcutt 1984-6-24 472 Sonoma Sonoma Coast State Beaches. Duncan's Landing. 4 miles S of Jenner and the mouth of Russian River. Approx. 7 miles N of Bodega Head. 12 Comment
  CAS-BOT-BC259476  Eriogonum luteolum F. G. Krauss 1893-10-8 s.n. Sonoma K. Ranch Comment
  JEPS128231  Eriogonum luteolum Roger Raiche 1999-10-9 046 .99 Sonoma The Cedars. Barnes' Blue Spring Complex. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC253068  Eriogonum roseum Helen D. Geis 1902-8-1 s.n. Sonoma Russian River bed Comment
  UCD101272  Eriogonum ternatum Roger Raiche 1984-6-23 RR 40235 Sonoma The Cedars, N of Cazadero, headwaters of East Austin Creek. Area called Red Slide. 548 Comment
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Oct 17 2013
  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-BC262334  Eriogonum vimineum R. D. Stone; G. Clifton 1983-6-16 552 Sonoma At the Little Geysers, upper Big Sulphur Creek drainage 701 Comment
  UCD160898  Eriophyllum lanatum James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3286 Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, east Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCSB22550  Eriophyllum lanatum Jensen, Karen 1965-4-15 Sonoma Along Highway 1, about 1 km. south of Bodega 13 Comment
  SEINET11843923  Eriophyllum lanatum W. Knight, Knight, I.; Edwards, S. 1985-1 6318 Sonoma lower S slope of Bradford Mt 366 Comment
  JEPS79447  Eriophyllum lanatum var. achilleoides Edward Lee with W. A. Setchell 1936-6-7 2186 Sonoma s ridge Fire Trail Bohemian Grove (Bohemian Grove) Comment
  OBI35873  Eriophyllum lanatum var. achilleoides David J. Keil 1983-6-29 17199 Sonoma Ca. 10 mi SE of Ft. Ross along Hwy 1. Comment
  UC494110  Eriophyllum lanatum var. achilleoides H. E. and S. T. Parks 1930-5-10 837 Sonoma Knights Valley Comment
  SEINET11844594  Eriophyllum lanatum var. achilleoides F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -239 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC301281  Eriophyllum lanatum var. arachnoideum L. Constance 1938-4-24 2157 Sonoma Russian Gulch, 8 miles south of Fort Ross 121 Comment
  CAS-BOT-BC301287  Eriophyllum lanatum var. arachnoideum J. Clausen 1935-5-24 1086 Sonoma 5.1 mi. S. of Jenner on the Bodega road Comment
  POM66821  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan[s] Mills. Comment
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Jun 19 2012
  RSA178038  Eriophyllum lanatum var. arachnoideum R. F. Thorne 1965-4-20 34389 Sonoma Los Alamos Road, on rocky, clayey bank, 1 or 2 miles NE of State Hwy 12 Comment
  UC1301027  Eriophyllum lanatum var. arachnoideum Helen K. Sharsmith 1963-5-25 5477 Sonoma on road from Freestone to Occidental; San Francisco Bay region 121 Comment
  UCD103117  Erodium brachycarpum Frederica Bowcutt 1994-6-24 1887 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Lower Bald Mountain Trail. 426 Comment
  UCD103118  Erodium brachycarpum Frederica Bowcutt 1996-5-19 2123 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Lower Bald Mountain trail. 426 Comment
  RSA139172  Erodium moschatum A. A. Heller, H. E. Brown 1902-3-26 s.n. Sonoma Santa Rosa Creek. Comment
  UCD127477  Eryngium aristulatum G. F. Hrusa; R. Gross 1997-7-24 14016 A Sonoma at CAS Pepperwood preserve. Comment
  SBBG27238  Eryngium aristulatum var. aristulatum A. Eastwood, J. T. Howell 1936-5-19 2510 Sonoma 2 mi N ofWindsor Comment
  UCR224675  Eryngium aristulatum var. aristulatum Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  UCD127467  Eryngium constancei G. F. Hrusa; R. Gross 1996-10-5 13582 -C Sonoma summit of Mayacmas Range at west end of Diamond Mountain Road. Approx. 2 miles southwest of Calistoga. 700 Comment
  UCD127468  Eryngium constancei G. F. Hrusa 1997-7-5 14010 Sonoma approximately 200 meters west of Highway 128 in drainage of Blossom Creek, 2km. northwest of Tubbs Lane int. 200 Comment
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Dec 30 2014
  UCD115023  Erysimum Jackie Sinkey 1976-4-17 s.n. Sonoma Bodega Head. 152 Comment
  CAS-BOT-BC384606  Erythranthe grandis David B. Lowry 2005-5-9 WTB Sonoma At mile marker 17.08 along Hwy. 1 36 Comment
  CAS-BOT-BC133296  Erythronium helenae Elmer I. Applegate 1934-3-25 8855 Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 609 Comment
  SEINET12049790  Erythronium helenae F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -199 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 800 Comment
  CAS-BOT-BC403699  Eschscholzia californica Alice Eastwood 1899-6-9 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC403700  Eschscholzia californica Alice Eastwood 1921-5-8 10468 Sonoma Petaluma Comment
  SEINET3355597 Image available Eschscholzia californica Katharine Brandegee 1905-1 Sonoma Comment
  SEINET7067232  Eschscholzia californica A. G. Vestal 1947-5-12 s.n. Sonoma About 1 miles east of Occidental on the Occidental Road. Coordinate datum: NAD27. UTM Zone 10, 506085mE, 4250797mN. Comment
  UC112924  Eschscholzia californica Katharine Brandegee 1905-1 Sonoma Bodega Head Comment
  UCD95274  Eschscholzia californica Chris Bowen 1974-5-19 135 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  CAS-BOT-BC403707  Eschscholzia californica W. M. Hiesey 1948-8-19 s.n. Sonoma 0.2 mi. north of Pigeon Point Lighthouse Comment
  OBI69876  Eucalyptus globulus Jenn Yost and Matt Ritter, Matt Ritter 8-Apr 52 Sonoma Hwy 101 S, Todd Rd, exit, Santa Rosa, side of fwy Comment
  CAS-BOT-BC202768  Euonymus occidentalis Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Russian River Comment
  UC1071564  Euonymus occidentalis var. occidentalis E. Armstrong 1934-3-26 903 Sonoma 1 mi. w. Camp Meeker; Sebastopol Quad. Comment
  CAS-BOT-BC202539  Euphorbia Peter Rubtzoff 1978-9-10 9265 Sonoma Russian River at Del Rio Beach, ca. 2.5 mi. east of Healdsburg on So. Fitch Mtn. Road Comment
  JEPS51865  Euphorbia crenulata W. L. Jepson 1923-6-28 10012 Sonoma Kenwood Sonoma Canyon (Sonoma Canyon) 243 Comment
  CDA34801  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
  SEINET9325144  Euphorbia peplus John Nelson, Wnek, R. 2000-3-8 20951 Sonoma Near Safeway Grocery, S side of Main St/River Rd (=Hwy 116) in downtown Guerneville. AC Moore Herbarium (USCH) Univ of S. Carolina Comment
  UCD142479  Euphorbia peplus C. Wistrom 1996-5-26 32 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  UCR248751  Euphorbia polycarpa Peter Rubtzoff 1987-10-17 9878 Sonoma Along Highway 116 c. 0.3 mi. SE of Forestville 37 Comment
  SEINET12143865  Euphorbia supina K. Wagnon, Knight, W. 1987-1 6103 Sonoma Spring Lake Village east of Santa Rosa 15 Comment
  UC469051  Eurybia radulina Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  CAS-BOT-BC354322  Euthamia occidentalis Peter Rubtzoff 1960-9-17 4560 Sonoma Laguna de Santa Rosa east of Graton, between Occidentalis and Guerneville roads. Comment
  JEPS26040  Euthamia occidentalis Lewis S. Rose 1960-9-14 60094 Sonoma 2 mi e Graton; Laguna de Santa Rosa 15 Comment
  UCR254754  Euthamia occidentalis Peter Rubtzoff 1969-8-26 6155 Sonoma On River Road, c. 3 miles west of Fulton 27 Comment
  CAS-BOT-BC239717  Fabaceae Walter Knight; Irja Knight 1990-5-1 6590 Sonoma Joost Road on east side of Calistoga Road between Gates and Alpine roads 182 Comment
  CAS-BOT-BC239729  Fabaceae Peter Rubtzoff 1970-7-17 6291 Sonoma 5 miles north of Sears Point Comment
  UCR256126  Festuca Greg de Nevers 1997-6-7 11019 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa On Oakhill Ranch burned area 400 Comment
  UC1011031  Festuca californica Virginia Bufford 1936-5-1 161 Sonoma Larkspur Rock Bodega Canyon Comment
  CAS-BOT-BC283189  Festuca californica subsp. californica G. DeNevers 1981-5-5 929 Sonoma W arm of Garrison Canyon, Pepperwood Ranch Comment
  SEINET6632138  Festuca pacifica D. F. Howe 1963-1 3530 Sonoma 4 mi. no. of Cloverdale on #128 335 Comment
  SD39853  Festuca perennis Edith A. Purer 1932-7-24 4084 Sonoma Near Bodega Bay Comment
  UCD66359  Festuca rubra R. Tofsrud 1941-4-1 94 Sonoma Near Santa Rosa. Comment
  UCD111853  Ficus carica Frederica Bowcutt 1994-6-12 1867 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. At intersection of Pony Gate Trail and seasonal creek in Pony Gate Gulch. 326 Comment
  CAS-BOT-BC354069  Filago Peter Rubtzoff 1963-5-26 5131 Sonoma Bennett Mountain Lake. Comment
  RSA0045169  Filago pyramidata Greg de Nevers 1993-5-30 10463 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd. 91 Comment
  CHSC3920  Fragaria chiloensis A. K. Revard 1967-3-19 1 Sonoma On cliff, ca. 6 ft. w of Hyw. 1, and ca. 1/4 mi. s of Miwok Beach. 10 Comment
  UCD113202  Fragaria chiloensis R. H. Miller 1949-4-6 25 Sonoma Coast Route 1, approximately 5 miles south of Jenner. Comment
  UCD112526  Frangula californica Frederica Bowcutt 1994-6-24 1899 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 Vista Trail about between Headwaters Trail and Gray Pine Trail. 457 Comment
  CAS-BOT-BC53275  Frangula californica subsp. californica John Thomas Howell 1938-7-3 13955 Sonoma 3 miles N. of Sebastopol 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-BC217874  Fraxinus latifolia Greg de Nevers 1987-4-25 8162 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC217875  Fraxinus latifolia Greg de Nevers 1981-4-11 711 Sonoma Creek in grazed pastrue 100 yard up-stream of Green Gate, Pepperwood Ranch Comment
  SEINET11982416  Fremontodendron californicum subsp. napense F. W. Hoffman 1947-1 779 Sonoma Gilliam Creek, branch of East Austin Creek, near Guerneville Comment
  CAS-BOT-BC130182  Fritillaria affinis Alice Eastwood; John Thomas Howell 1939-4-2 7365 Sonoma Larkspur Rock Comment
  CAS-BOT-BC130185  Fritillaria affinis Elmer I. Applegate 1934-3-25 8861 Sonoma Pine Flat region, west slope of the [Mayacama] Mayacmas range Comment
  UC583457  Fritillaria affinis Elmer I. Applegate 1934-3-25 8861 Sonoma Pine Flat region, west slope of the Mayacama Range. Comment
  CAS-BOT-BC130184  Fritillaria affinis Elmer I. Applegate 1934-3-25 8851 Sonoma Sausal Creek, foothills of eastern Sonoma County, below Pine Flat Comment
  CAS-BOT-BC130454  Fritillaria purdyi Milo S. Baker 1927-4-22 s.n. Sonoma Mt. St. Helena 853 Comment
  UC3632  Fritillaria recurva Jepson 1893-5-5 Sonoma Mount St. Helena Comment
  UC72490  Fritillaria recurva Milo S. Baker 1902-3-27 Sonoma Hood's Peak Comment
  CAS-BOT-BC508139  Fritillaria recurva John Thomas Howell 1934-3-26 11782 Sonoma Southwestern base of Mt. Hood Comment
  CDA31316  Galium californicum D. G. Kelch, Ed Biffin 2010-5-3 10 .198 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  SBBG29173  Galium divaricatum M. S. Baker 1947-5-12 11768 Sonoma SW slope of Hood Mt along horse trail from Gray Ranch 441 Comment
  SEINET12271023  Galium divaricatum Unknown 1940-1 1014 Sonoma behind Fountaingrove Vneyard 3 mi N of Santa Rosa along Hwy 101 Comment
  UCD55328  Galium parisiense Ellen Dean 2006-6-28 3175 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  UCD121891  Galium porrigens P. G. Connors 1992-5-8 247 Sonoma Near rock outcrop on hillside. Comment
  UCD121901  Galium porrigens var. porrigens Frederica Bowcutt 1994-5-21 1831 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, about 10 air miles E of Santa Rosa, about 18 air miles NW of Napa, about 1.5 air miles N of Kenwood. Along Hillside Trail past the junction with Digger Pine trail approx. 1/4 mile. 411 Comment
  JEPS20521  Gamochaeta ustulata M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 231 Sonoma Guerneville Russian River, Guerneville Comment
  RSA790991  Gamochaeta ustulata Peter Rubtzoff 1974-5-25 7458 Sonoma Upper Green Valley Marsh. Comment
  UCD132378  Gamochaeta ustulata Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-27 78 Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC303502  Gamochaeta ustulata Peter Rubtzoff 1951-6-30 303 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC303504  Gamochaeta ustulata 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC303505  Gamochaeta ustulata J. H. Thomas 1976-6-16 18274 Sonoma Southern part of Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  CAS-BOT-BC182161  Garrya fremontii Walter Knight; Irja Knight 1963-12-27 465 Sonoma Summit, Pine Flat Rd. Comment
  CDA11139  Garrya fremontii G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11550 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Comment
  UC55250  Garrya fremontii Milo S. Baker 1903-3-17 3 Sonoma Hood Mt. Comment
  CAS-BOT-BC278693  Gastridium phleoides Peter Rubtzoff 1961-8-22 4692 Sonoma Fife Creek Marsh Comment
  RSA0022353  Gastridium phleoides Peter Rubtzoff 1970-9-2 6366 Sonoma Russian River bottom at Mirabel Park. Comment
  POM316490  Gaultheria shallon Patricia Wilder 1965-6-10 3651 Sonoma Seaview road, ca. 1 miles north of junction with Fort Ross road. 549 Comment
  CAS-BOT-BC193255  Genista monspessulana Walter & Irja Knight 1990-5-1 6591 Sonoma Calistoga Road near junction of Porter Creek Road 182 Comment
  HSC14659  Genista monspessulana F. Demostene 1966-4-4 19 Sonoma 1 mi. W of Healdsburg Comment
  RSA0089559  Genista monspessulana Ann Howald 2015-4-1 3328 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-BC193254  Genista monspessulana Mary P. Wells 1983-8-23 s.n. Sonoma Coast Highway near Milepost 43.58 Comment
  CDA34813  Geranium dissectum Peter Warner 2010-3-29 178 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  SDSU7330  Geranium dissectum D. F. Howe 1963-5-22 3520 Sonoma 14 miles south of Santa Rosa on #12. 122 Comment
  UCD15830  Geranium molle J. D. DiTomaso 1998-5-18 s.n. Sonoma Sugarloaf Ridge State Park. 430 Comment
  UCD168062  Gilia James Neilson 1977-8-10 3955 Sonoma Mayacmas Mountains. Klau Mine, Apple Tree Ck at the 'Orchard'. Turner Flat. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR222354  Gilia achilleifolia subsp. achilleifolia George K. Helmkamp, E. A. Helmkamp 2010-6-4 16230 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
  UCD117655  Gilia capitata Roxana S. Ferris; Laura Lorraine 1961-6-15 13569 Sonoma about 0.125 mile beyond County Dump. Comment
  CAS-BOT-BC123861  Gilia capitata subsp. capitata Amos Arthur Heller 1902-6-23 5739 Sonoma Petrified Forest Comment
  UCSB31713  Gilia capitata subsp. capitata Townsend, J. 1977-5-30 Sonoma East bank Russian River, 1 mile south of Gurneyville Comment
  CAS-BOT-BC225278  Gilia capitata subsp. chamissonis Peter Rubtzoff 1955-8-20 2071 Sonoma Bodega Harbor Marsh Comment
  CAS-BOT-BC225286  Gilia capitata subsp. chamissonis Alice Eastwood 1915-6-29 4824 Sonoma Bodega Point Comment
  CAS-BOT-BC226168  Gilia capitata subsp. tomentosa Mrs. H. C. Cantelow 1941-6-7 s.n. Sonoma 3.2 miles north of Jenner on State highway 1 Comment
  CAS-BOT-BC225467  Gilia millefoliata Alice Eastwood 1915-6-29 4825 Sonoma Bodega Point 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
  SJSU8210  Glaux maritima W. Savage 1976-7-16 1104 Sonoma on Chas. Gambonini Ranch by Schultz Slough c. 5 km SE of Petaluma 1 Comment
  SEINET10717791  Glyceria P. Rubtzoff 1968-8-24 Rubtzoff 5935 Sonoma Upper Salmon Creek Marsh. Comment
  JEPS78861  Glyceria elata Edward Lee 1936-6-8 2222 Sonoma near Bohemian Grove entrance Comment
  CAS-BOT-BC282806  Glyceria leptostachya Peter Rubtzoff 1951-6-9 187 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC166684  Gnaphalium Peter Rubtzoff 1962-9-30 5103 Sonoma Vacation Beach, 2 miles below Guerneville. Comment
  CAS-BOT-BC166749  Gnaphalium chilense Peter Rubtzoff 1959-9-19 4276 Sonoma Vacation Beach, near Guerneville at Russian River. Comment
  CAS-BOT-BC302691  Gnaphalium palustre Peter Rubtzoff 1958-8-9 s.n. Sonoma Laguna de Santa Rosa, north of Sepastopol, near Occidental Road. Comment
  UCR279629  Gnaphalium palustre Peter Rubtzoff 1962-10-23 5126 Sonoma Atascadero Creek Marsh 29 Comment
  CAS-BOT-BC173579  Gnaphalium purpureum Peter Rubtzoff 1959-6-6 4095 Sonoma Willow Creek Marsh. Comment
  RSA800609  Gratiola Peter Rubtzoff 1969-6-14 6083 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  UCD165129  Gratiola Peter Rubtzoff 1974-5-11 7387 Sonoma Todd Road, 1.4 miles from hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD166115  Gratiola Peter Rubtzoff 1972-5-25 6756 Sonoma Laguna, Chileno Valley. 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-BC251223  Gratiola ebracteata Peter Rubtzoff 1962-6-8 4883 Sonoma Bennett Mountain Lake. Comment
  RSA800342  Gratiola ebracteata Peter Rubtzoff 1961-7-22 4664 Sonoma Bennett Mountain Lake. Comment
  UCD158823  Grindelia James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2896 Sonoma northwest corner of Section 14, The Geysers. (Elevation estimated by label maker using Google Earth.) 472 Comment
  CAS-BOT-BC305167  Grindelia hirsutula John Thomas Howell 1932-10-9 10816 Sonoma 6 miles from Sonoma on road to Napa Comment
  CAS-BOT-BC305182  Grindelia hirsutula Marcus E. Jones 1931-7-5 29142 Sonoma The Geysers Comment
  UC32145  Grindelia hirsutula Willis L. Jepson 1893-9-23 Sonoma Mt. St. Helena Napa River Basin, Mt. St. Helena Comment
  UC897044  Grindelia hirsutula Lewis S. Rose 1940-5-22 40364 Sonoma Sonoma 30 Comment
  POM202659  Grindelia hirsutula var. davyi J. T. Howell 1932-10-9 10816 Sonoma 6 miles from Sonoma on road to Napa. Comment
  UCD160836  Grindelia nana James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3371 a Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  JEPS54106  Guillenia lasiophylla Milo S. Baker 1898-6-1 589 Sonoma Santa Rosa Cemetery Comment
  UC74946  Guillenia lasiophylla unknown 1903-4-20 2629 Sonoma Mt. Helena Comment
  HSC94161  Hainardia cylindrica Gordon Leppig 2000-5-6 1345 Sonoma Austin Creek Trail. 177 Comment
  CAS-BOT-BC302250  Harmonia nutans Greg de Nevers 1990-5-1 9662 A Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC306328  Hedypnois cretica John Thomas Howell 1931-4-18 6423 Sonoma At mouth of Salmon Creek, 2 miles n. of Bay Comment
  JEPS7068  Helenium bigelovii Peter Kamb 1950-6-16 1850 Sonoma 1 mi n Sousa Corners (n of Sebastopol, about springy bog toward s end of marsh); Pitkin Marsh 60 Comment
  UC353800  Helenium bigelovii Milo S. Baker 1928-4-28 3001 b Sonoma Pitkin Swamp Comment
  CAS-BOT-BC306765  Helenium bigelovii Milo S. Baker 1927-6-9 2217 b Sonoma About Kenwood Comment
  RSA94303  Helenium bigelovii Peter Rubtzoff 1951-6-9 155 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC309586  Helenium puberulum Marcus E. Jones 1931-7-5 29104 Sonoma The Geysers Comment
  RSA800282  Helenium puberulum Peter Rubtzoff 1957-8-18 3524 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC309578  Helenium puberulum G. DeNevers 1981-6-18 1572 Sonoma Pepperwood Ranch. Pippindale Pond Comment
  UC194163  Helianthella californica subsp. californica Michener and Bioletti 1893-6-1 Sonoma Wood's Ranch Comment
  RSA80308  Helianthemum scoparium var. vulgare Anonymous 1947-5-30 11770 Sonoma Southwest slope of Hood Mt. in chaparral burn Comment
  CAS-BOT-BC305369  Helianthus annuus Walter Knight; Irja Knight 1963-10-11 344 Sonoma Cotati near Gravenstein Highway Jct Comment
  CAS-BOT-BC305993  Hemizonia David D. Keck; J. Clausen 1935-6-15 3371 Sonoma 1 mile north of mouth of Salmon Creek Comment
  CAS-BOT-BC268068  Hemizonia Peter Rubtzoff 1971-9-30 6710 Sonoma Laguna, Chileno Valley. Comment
  UCD166108  Hemizonia Peter Rubtzoff 1971-9-30 6709 Sonoma Laguna, Chileno Valley. Comment
  RSA1110  Hemizonia clevelandii E. R. Johnson 1928-8-22 1111 Sonoma Cloverdale Comment
  RSA14739  Hemizonia congesta subsp. clevelandii L. S. Rose 1935-9-11 35622 Sonoma 2 mi N of Healdsburg. 40 Comment
  CAS-BOT-BC306222  Hemizonia congesta subsp. congesta Alice Eastwood; John Thomas Howell 1936-7-4 3822 Sonoma 2 miles n. of Windsor Comment
  CAS-BOT-BC306224  Hemizonia congesta subsp. congesta John Thomas Howell 1945-8-14 21408 Sonoma Perry Marsh Comment
  CAS-BOT-BC306225  Hemizonia congesta subsp. congesta John Thomas Howell 1930-6-8 5216 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CAS-BOT-BC306246  Hemizonia congesta subsp. congesta James I. McMurphy 1906-7-17 s.n. Sonoma Fulton Comment
  CAS-BOT-BC306216  Hemizonia congesta subsp. congesta H. M. Hall 1916-7-23 10241 b Sonoma Near Petaluma (6 mi. n.w.) Comment
  UC1999849  Hemizonia congesta subsp. congesta Ethel Crum 1930-1 Sonoma Petaluma, California Comment
  UCD132983  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-4-30 1038 Sonoma north side of intersection of Occidental Road and Facendini Lane. Comment
  CAS-BOT-BC309686  Hemizonia congesta subsp. lutescens W. R. Dudley 1896-9-22 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC309729  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-9 5746 Sonoma 1 mi. E. of Occidental Comment
  JEPS86293  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1989-6-6 1019 Sonoma n side of intersection of Facindini Ln. and Occidental Road Comment
  JEPS86755  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1990-4-30 1038 Sonoma n side intersection of Occidental Road and Facindini Lane Comment
  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-BC309710  Hemizonia congesta subsp. lutescens H. M. Hall 1931-5-28 13104 Sonoma Bodega Bay Comment
  CAS-BOT-BC309717  Hemizonia congesta subsp. lutescens John Thomas Howell 1930-7-27 5409 Sonoma 8 miles south of Fort Ross 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
  SBBG32325  Hemizonia congesta subsp. luzulifolia L. S. Rose 1964-8-26 Sonoma 6.5 mi NE of Penngrove 426 Comment
  UC421612  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-10-26 4539 Sonoma 7.5 mi from Santa Rosa (on road to Petrified Forest) Comment
  UCD158829  Hemizonia congesta subsp. luzulifolia James A. Neilson Jr.; Teresa A. Sholars 1974-12-26 2926 Sonoma The Geysers, Section 14. (Elevation and coordinates estimated by label maker.) 533 Comment
  RSA0015419  Hemizonia congesta subsp. luzulifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  UC32737  Hemizonia congesta subsp. luzulifolia F. T. Bioletti 1892-7-1 Sonoma Chauvert's Comment
  POM181139  Hemizonia lutescens J. T. Howell 1930-7-27 5409 Sonoma 8 miles south of Fort Ross Comment
  RSA159434  Hemizonia lutescens James I. McMurphy 1909-8-8 701 -C Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  SEINET11845321  Hemizonia multicaulis subsp. vernalis C. F. Quibell 1976-1 1369 Sonoma Marshall-Petaluma Rd Comment
  POM215134  Hemizonia parryi subsp. parryi D. D. Keck 1933-11-10 2730 Sonoma 2.3 miles SW of Shellville railroad station. Comment
  SD175774  Hesperocyparis sargentii D. G. Kelch 2006-6-24 06 323 Sonoma On serpentine along Harrison Grade. 167 Comment
  UC1952124  Hesperolinon californicum Clint Kellner 2009-6-7 Sonoma Between approx. 2700 and 4500 ft West of Tolay Creek and approx. 7200 ft Westerly and a little North of Tolay Creek bridge beneath Hwy 121 91 Comment
  JEPS27962  Hesperolinon spergulinum Rimo Bacigalupi and L. R. Heckard 1961-6-9 7745 Sonoma along Stoetz Lane about 1/2 mi nw junction with Harrison Grade road (about 3/4 mi nw of Occidental School) 228 Comment
  UC1212389  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-23 4166 Sonoma 12.2 mi w Skaggs Springs (Stewarts Point road); Inner North Coast Ranges 579 Comment
  UC1212399  Hesperolinon spergulinum Milo S. Baker 1947-7-15 11867 Sonoma ca 2 mi ne Occidental; Harrisons Grade Comment
  UC1212400  Hesperolinon spergulinum Milo S. Baker 1946-7-4 11525 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  RSA0075934  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Banks of Russian River. Comment
  CAS-BOT-BC311060  Heterotheca oregona var. oregona Volney Rattan 1877-6-13 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC420945  Heuchera micrantha var. diversifolia G. DeNevers 1981-6-6 1464 A Sonoma Pepper wood Ranch. Woodland on N slope of Telegraph Hill Comment
  CAS-BOT-BC319708  Hieracium albiflorum Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC319711  Hieracium albiflorum Rimo Bacigalupi 1926-5-2 1390 Sonoma Cazadero Comment
  UC75913  Hieracium albiflorum Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  UC1129900  Hoita macrostachya J. B. Spring 1932-6-21 79 Sonoma Hooker Canyon Napa Quadrangle 365 Comment
  UC16315  Hoita orbicularis F. T. Bioletti 1892-1 Sonoma Point Arena Comment
  CAS-BOT-BC152389  Holodiscus discolor var. discolor Walter Knight; Irja Knight 1963-8-23 273 Sonoma Joost Ranch, Calistoga Rd., Santa Rosa 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-BC315811  Holozonia filipes James I. McMurphy 1906-7-21 s.n. Sonoma Fulton Comment
  UC1002647  Holozonia filipes Milo S. Baker 1954-8-12 13034 Sonoma Coney Ranch, Kenwood Coney Lake 365 Comment
  SEINET257718 Image available Hordeum brachyantherum M. Barkworth, D Amme 1989-6-15 5173 Sonoma South end of Bodega Head on restored grassland. 81 Comment
  UCD81356  Hordeum brachyantherum subsp. brachyantherum Frederica Bowcutt 1994-6-12 1853 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 Rd. Along Pony Gate Trail before entering oak woodland, out of view of kiosk and campground. Less than 1/4 mi. from trailhead. 420 Comment
  UCD85524  Hordeum brachyantherum subsp. californicum Beecher Crampton 1957-5-16 4036 Sonoma 3 miles SW of Cloverdale, Hot Springs Road. Comment
  CAS-BOT-BC285191  Hordeum marinum subsp. gussoneanum K. Wagnon 1939-5-16 204 Sonoma Entrance of Rd. 9, 14 miles west of Sebastopol on Bodega Highway Comment
  CHSC8222  Hordeum murinum subsp. glaucum K. Henegar 1969-5-10 46 Sonoma Schooner Gulch, 200 yds s on Highway 1. Found on ocean side of road. Comment
  SEINET4670524  Hordeum murinum subsp. leporinum R. Halse 1987-2-22 3375 Sonoma Along State HWY 121, 0.4 miles east of its junction with State HWY 116 at Big Bend in the Sonoma Valley. 6 Comment
  JEPS44586  Horkelia californica Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  UCD113401  Horkelia californica Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-24 055 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC536159  Horkelia californica var. elata W. W. Carruth 1900-7-1 s.n. Sonoma Russian River Comment
  CAS-BOT-BC536170  Horkelia californica var. elata Milo S. Baker 1930-5-31 4150 b Sonoma Russian River east of Healdsburg above Buttes Comment
  UCD113462  Horkelia tenuiloba G. F. Hrusa 1989-6-4 7187 Sonoma Headwaters of Agua Caliente Creek. NW exposure, just below summit. Comment
  CAS-BOT-BC540825  Hypericum Peter Rubtzoff 1969-7-21 6115 Sonoma Guerneville Marsh, Pocket Canyon area. Comment
  CAS-BOT-BC400999  Hypericum anagalloides Peter Rubtzoff 1955-7-9 1920 Sonoma Forestville Marsh Comment
  UC1122088  Hypericum anagalloides H. S. Yates 1936-5-16 5588 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  UCD110316  Hypericum calycinum Frederica Bowcutt 1984-6-24 463 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma county coast. Old home site near existing barn just of park road. Northwest of Gerstle Cove approx. 1/2 mile. 30 Comment
  RSA94321  Hypericum formosum var. scouleri Peter Rubtzoff 1951-6-30 292 Sonoma Western branch of the upper Marsh; in a marshy opening. Comment
  CAS-BOT-BC401293  Hypericum perforatum D. E. Breedlove 1962-6-6 2898 Sonoma Along State Highway 128, 1.5 miles northwest of U. S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC316677  Hypochaeris glabra Peter Rubtzoff; H. A. Froebe 1971-5-30 6500 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC316718  Hypochaeris radicata Walter Knight; Irja Knight 1963-12-28 479 Sonoma Bodega Head Comment
  UCD133475  Hypochaeris radicata Gerry North 1993-4 41 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. east of foot bridge. 365 Comment
  SEINET10899984  Iris douglasiana R. D. Sage 1992-1-10 Sage 13411 -2 Sonoma Collected along joy rd between bodega hwy and bittner rd, ca 2-6 km sw of occidental. Comment
  UCD160311  Iris fernaldii James A. Neilson Jr. 1975-5-23 3211 Sonoma Truit Creek at Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  UC972202  Iris longipetala J. Harry Goff 1935-4-25 Sonoma Kenwood; Goff Ranch 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
  RSA177917  Iris macrosiphon Robert F. Thorne 1965-4-20 34366 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  RSA227253  Isoetes howellii Peter Rubtzoff 1963-6-22 5188 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC61916  Isoetes nuttallii John Thomas Howell 1937-6-6 13028 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC61922  Isoetes nuttallii Leo Koch 1938-4-1 78 Sonoma off Adobe Canyon near Kenwood Comment
  RSA114299  Isolepis carinata J. T. Howell 1957-6-13 32620 Sonoma Pitkin Marsh. Comment
  UCD84277  Isolepis carinata Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC112416  Isolepis carinata Peter Rubtzoff 1963-5-26 5140 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC112568  Isolepis cernua Peter Rubtzoff 1954-8-3 1635 Sonoma Lower Salmon Creek Marsh. Comment
  JEPS25000  Isolepis cernua G. Thomas Robbins 1958-8-11 3925 Sonoma on tidal flat along w shore Bodega Harbor; w shore Bodega Harbor Comment
  SEINET4170787 Image available Isolepis cernua W. L. Jepson 1931-7-19 15945 Sonoma Just north of Salmon Creek Comment
  CAS-BOT-BC340223  Jaumea carnosa Peter Rubtzoff 1973-8-25 7256 Sonoma Bodega Head Marsh Comment
  UCD166263  Juglans Peter Rubtzoff 1970-8-31 6348 Sonoma 5.5 miles East of Guerneville, along Russian River at Forest Hills. Comment
  CAS-BOT-BC101889  Juglans californica Peter Rubtzoff 1986-8-31 9736 Sonoma On river bank off Summerhome Park Road 0.2 mile west of Forest Hills Road Comment
  RSA788953  Juncus Peter Rubtzoff 1968-7-13 5920 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC109884  Juncus Peter Rubtzoff 1974-10-20 7938 Sonoma Hinebaugh Creek in Rohnert Park.Creek east of Commerce Blvd. Comment
  RSA790005  Juncus Walter Knight, I. Knight 1968-1-1 2266 Sonoma Geyser Resort. Along geyser trail at creek edge. Comment
  CAS-BOT-BC164383  Juncus balticus subsp. ater Peter Rubtzoff 1970-5-16 6225 Sonoma Sonoma: Five miles north of Sears Point Comment
  UCD141372  Juncus bufonius Jennifer Bury; Peggy Herzog 1993-5-8 251 b Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 371 Comment
  UC2506  Juncus bufonius var. bufonius J. Burtt Davy 1894-6-17 Sonoma Knights Valley Comment
  UCR279885  Juncus dubius Peter Rubtzoff 1972-6-27 6792 Sonoma Atascadero Creek Marsh 29 Comment
  CAS-BOT-BC210059  Juncus effusus Peter Rubtzoff 1964-7-29 5454 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC157984  Juncus effusus subsp. pacificus Peter Rubtzoff 1959-6-20 4177 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC227619  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5904 Sonoma Lichan Marsh Comment
  CAS-BOT-BC227620  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5907 Sonoma Lichan Marsh Comment
  CAS-BOT-BC157985  Juncus effusus subsp. pacificus Peter Rubtzoff 1964-8-26 5479 Sonoma Marsh 5 miles NE of Penngrove on Lichan Road 213 Comment
  RSA790719  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5907 Sonoma Lichan Marsh. Comment
Read comments
Apr 16 2014
  CAS-BOT-BC157998  Juncus hesperius Peter Rubtzoff 1959-6-20 4178 Sonoma Willow Creek Marsh Comment
  UCR244626  Juncus hesperius Peter Rubtzoff 1969-8-14 6137 Sonoma Coleman Marsh 269 Comment
  CAS-BOT-BC290569  Juncus lescurii Peter Rubtzoff 1959-6-20 4179 Sonoma Willow Creek Marsh. Comment
  POM111129  Juncus lescurii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  UCR248733  Juncus lescurii Peter Rubtzoff 1954-7-26 1554 Sonoma Coleman Marsh, along Salmon Creek 3 Comment
  RSA94317  Juncus mexicanus Peter Rubtzoff 1951-9-2 717 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh. Comment
  UCD141633  Juncus occidentalis Mary M. Hektner 1976-12-15 280 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA244325  Juncus oxymeris Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1091 Sonoma Pitkin-Jones Tree Farm; on Vine Hill road 1.3 miles north of jct. with Guerneyville Road. West of Santa Rosa. Comment
  POM110915  Juncus patens Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  RSA94257  Juncus patens Peter Rubtzoff 1951-6-10 203 Sonoma Pitkin Marsh, near Forestville. A damp opening south of the Upper Marsh. Comment
  CAS-BOT-BC166803  Juncus phaeocephalus var. paniculatus Peter Rubtzoff; Nancy Harrison 1978-6-11 9207 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley Comment
  UCD142832  Juncus xiphioides Frederica Bowcutt 1994-6-24 1895 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
  RSA0022379  Kickxia elatine Peter Rubtzoff 1970-7-11 6281 Sonoma Laguna de Santa Rosa northwest of Trenton, at Healdsburg Road crossing. Comment
  SEINET11688012  Koeleria macrantha F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -232 Sonoma end of Stoetz Road 200 Comment
  CAS-BOT-BC273779  Koeleria pyramidata D. E. Breedlove 1980-6-28 44793 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC273790  Koeleria pyramidata Peter Rubtzoff 1952-6-1 1136 Sonoma Fitch Mtn. Grove, nr. Healdsburg Comment
  RSA0065154  Lactuca Greg de Nevers 1997-8-17 11076 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. Oak Hill Ranch. 100 Comment
  CAS-BOT-BC340657  Lactuca serriola Walter Knight; Irja Knight 1963-10-6 489 Sonoma Skillman Lane, Petaluma Comment
  UCD164593  Lagophylla Peter Rubtzoff 1975-8-26 8359 Sonoma Bennett Mountain Lake. Comment
  CDA2224  Lamarckia aurea Gordon Leppig 1998-5-6 1344 Sonoma Austin Creek State Recreation Area, Austin Creek Trail. Comment
  UCD36536  Lamarckia aurea Beecher Crampton 1954-4-26 1793 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  CDA28919  Lamium purpureum C. Morgan 2009-3-19 s.n. Sonoma Kenwood, 9550 Frederica. 0 Comment
  UCD150130  Lasthenia burkei 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-BC385626  Lasthenia californica Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UCD33659  Lasthenia californica subsp. macrantha Beecher Crampton 1971-6-6 8720 Sonoma Carmet, Sonoma Coast State Park. Comment
  UC978119  Lasthenia glaberrima L. Beane and Lois E. James 1949-5-16 1947 Sonoma ca. 3 mi s Healdsburg Comment
  CAS-BOT-BC355529  Lasthenia glaberrima Peter Rubtzoff 1965-5-8 5525 Sonoma Laguna Santa Rosa area east of Cunningham, nr, Llano Road. Comment
  CAS-BOT-BC370899  Lasthenia minor Peter Rubtzoff 1960-5-18 4376 Sonoma Bodega Head Marsh. Comment
  POM253183  Lasthenia minor A. A. Heller 1938-5-14 15080 Sonoma On the bluff N of Bay, Bodega Bay. Comment
  CAS-BOT-BC164693  Lathyrus Peter Rubtzoff 1974-9-7 7862 Sonoma Hinebaugh Creek, Rohnert Park; west of Commerce Blvd. crossing. Comment
  CHSC96769  Lathyrus hirsutus A. Stephens 2005-6-16 1293626 Sonoma North Coast Range. Sonoma County. Rangeland at 8617 Petaluma Hill Rd, Petaluma. Comment
  UC33397  Lathyrus jepsonii var. californicus W. C. Blasdale Jun 1894 Sonoma Santa Rosa Comment
  UCR141954  Lathyrus sphaericus Beecher Crampton 1966-5-10 7723 Sonoma Coast Range, 6.5 miles north of Sonoma on State Hwy 12, Calif. Dept. of Forestry Glen Ellen station 76 Comment
  UCD33238  Lathyrus tingitanus Beecher Crampton 1967-5-15 7934 Sonoma Sonoma County, 1 mile N.E. of Cloverdale, US Hwy. 101. Comment
  UCD106476  Lathyrus vestitus G. F. Hrusa 1995-4-2 12043 Sonoma Franz Valley Rd. approx 3 m. W of Knights Valley intersection with Hwy. 128. Comment
  SBBG3372  Lathyrus vestitus H. and M. Dearing 1939-4-28 3219 Sonoma near Fairfax Comment
  UC864425  Lathyrus vestitus var. alefeldii Marcus E. Jones, A. M. 1882-7-17 3576 Sonoma Duncan's Mills Comment
  CDA27146  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
  SD88301  Lathyrus vestitus var. vestitus Darley F. Howe 1972-4-30 Sonoma Bodaga bay 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-BC323236  Layia chrysanthemoides John Thomas Howell 1931-4-18 6426 Sonoma 8 miles N of Bay Comment
  HSC103521  Layia chrysanthemoides Thomas W. Nelson, Jane Nelson 1981-5-3 6469 Sonoma Along Presseley Rd., ~ 3 mi. N of junction with Roberts Rd. Comment
  UC1120990  Ledum glandulosum H. S. Yates 1936-5-16 5592 Sonoma 2 mi se of Forestville 30 Comment
  CAS-BOT-BC184129  Leersia Peter Rubtzoff 1965-10-17 5660 Sonoma Forest Hills (5.5 miles E of Guerneville) Comment
  UCD63606  Leersia oryzoides Freed W. Hoffman 1943-10-26 Sonoma Russian River, near Guerneville. Comment
  UCR279862  Leersia oryzoides Peter Rubtzoff 1969-8-27 6163 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  CAS-BOT-BC210099  Lemna Peter Rubtzoff 1965-10-10 5656 Sonoma Pitkin Marsh, near Forestville. Comment
  UCD166420  Lemna Peter Rubtzoff 1965-11-9 5667 A Sonoma Laguna de Santa Rosa area, E of Graton (btwn. Occidental and Guerneville Roads). Comment
  CAS-BOT-BC210102  Lemna Peter Rubtzoff 1970-8-18 6320 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC210104  Lemna Peter Rubtzoff; Betty Lovell 1975-8-11 8312 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC210105  Lemna Peter Rubtzoff 1965-11-9 5668 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  RSA0028899  Lemna minor Peter Rubtzoff 1961-6-23 4655 Sonoma Bennett Mountain Lake Comment
  UCR256525  Lemna valdiviana Peter Rubtzoff 1958-6-1 3686 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road 30 Comment
  CAS-BOT-BC339169  Leontodon saxatilis subsp. saxatilis John Thomas Howell 1945-7-18 21323 Sonoma Pitkin Marsh Comment
  SEINET6165742 Image available Lepechinia calycina Unknown 1984-6-1 s.n. Sonoma Occidental Sonoma county Ca, Originally from Santa Barbara Comment
  CAS-BOT-BC173644  Lepidium Peter Rubtzoff 1965-8-22 5611 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) Comment
  CAS-BOT-BC173645  Lepidium Peter Rubtzoff 1962-8-3 5032 Sonoma Lower Salmon Creek Marsh Comment
  POM258953  Lepidium didymum C. L. Hitchcock, J. S. Martin 1939-7-15 5445 Sonoma Cliffs below Bodega State Park Comment
  CAS-BOT-BC89741  Lepidium latifolium John Thomas Howell 1966-6-2 41550 Sonoma South of Schellville near Black Point road. Comment
  CAS-BOT-BC12756  Lepidium oxycarpum David D. Keck 1931-4-1 996 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma). 10 Comment
  CAS-BOT-BC12972  Lepidium strictum Catherine Best 1987-3-28 1237 Sonoma Bodega Head. Comment
  RSA0063629  Leptosiphon androsaceus A. A. Heller, H. E. Brown 1902-4-2 5199 Sonoma Hills Northeast of Santa Rosa. Comment
  JEPS117109  Leptosiphon parviflorus Peter Warner 2010-5-12 148 Sonoma Jenner Headlands, in saddle meadow along Willig Extension Drive (main dirt road on property), 2.06 km past barn; E side of road, S edge of grassland along forest ecotone; on divide between upper SE Russian Gulch and NW Jenner Gulch watersheds Comment
  JEPS87256  Lessingia arachnoidea Jack and Betty Guggolz 1992-8-29 1339 Sonoma about 2 1/4 mi nw of Camp Meeker 207 Comment
  CAS-BOT-BC324191  Lessingia hololeuca Catherine Best 1981-8-23 s.n. Sonoma On Stoltz lane, 2 miles east of Occidental Comment
  CAS-BOT-BC341995  Lessingia ramulosa A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  UC75905  Lessingia ramulosa Miss M. Alice King September 1896 Sonoma near Healdsburg Comment
  CAS-BOT-BC342001  Lessingia ramulosa John Thomas Howell No date on label 2250 Sonoma SE. of Santa Rosa Comment
  CDA8201  Lessingia ramulosa M. Mason 1976-7-6 Sonoma Airport Road, Sonoma County Airport, northwest of Santa Rosa. 0 Comment
  UCR255875  Leucanthemum vulgare Greg de Nevers 1994-4-1 10517 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC273566  Leymus californicus G. DeNevers 1981-7-1 1731 Sonoma Pepperwood Ranch. In the Pippindale Garden Comment
  UCD166467  Leymus triticoides Peter Rubtzoff 1956-9-22 2941 Sonoma Vacation Beach, near Guerneville. Comment
  RSA0045176  Ligusticum apiifolium Greg de Nevers 1998-5-31 11269 A Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, between Cresta and second bridge below Mark West Lodge. 100 Comment
  CAS-BOT-BC451695  Lilaea scilloides Peter Rubtzoff 1972-6-11 6775 Sonoma Laguna, Chileno Valley. Comment
  JEPS87219  Lilaea scilloides Jack and Betty Guggolz 1992-6-22 1321 A Sonoma se of Bloomfield Road (cattle ranch) 36 Comment
  CAS-BOT-BC451692  Lilaea scilloides Peter Rubtzoff 1951-6-16 221 Sonoma Pitkin Marsh, near Forestville. Just north of the Lower Marsh. Comment
  CAS-BOT-BC451694  Lilaea scilloides Peter Rubtzoff 1970-11-18 6425 Sonoma 1 mi. southeast of Bloomfield. Comment
  CAS-BOT-BC451703  Lilaea scilloides Peter H. Raven 1963-4-12 18162 Sonoma Along U. S. 101 just south of Asti. Comment
  CAS-BOT-BC130693  Lilium occidentale Peter Rubtzoff 1951-6-7 133 Sonoma Western branch of the Upper Marsh Comment
  HSC15782  Limnanthes douglasii L. S. Rose 1965-4-4 65020 Sonoma Sonoma 24 Comment
  UCD116502  Limnanthes douglasii Lewis S. Rose 1965-4-4 65020 Sonoma Sonoma County. 24 Comment
  RSA42966  Limnanthes douglasii A. A. Heller 1940-4-22 15553 Sonoma In a grassy field between East Windsor and West Windsor. Lower Sonoran Life Zone. Comment
  UC17900  Limnanthes douglasii subsp. douglasii W. H. Brewer 1862-4-18 972 Sonoma near Sonoma Comment
  SEINET12183384  Limnanthes douglasii var. nivea F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -144 Sonoma junction Valley Ford & Franklin School Roads, ca 0.1 mi from junction Valley Ford Road & CA 1 20 Comment
  UC880307  Linanthus Alice Eastwood and John Thomas Howell 1938-5-15 5508 Sonoma near Mark West Springs Comment
  UC70407  Linanthus grandiflorus Milo S. Baker 1899-6-24 Sonoma near Valley Ford Comment
  CAS-BOT-BC540822  Linum Peter Rubtzoff 1974-6-2 7522 Sonoma Upper Green Valley Marsh. Comment
  UCD110566  Linum bienne William J. Costa 1968-5-18 36 Sonoma Shell Beach, ca. 1.5 air miles south of Jenner. 15 Comment
  JEPS70989  Linum grandiflorum Peter Rubtzoff 1972-4-23 6727 Sonoma 0.9 mi s Meacham Road junction with Stony Point Road (near Public Refuse Disposal Area road 0.25 mi w of Meacham Road junction) Comment
  SEINET7884058 Image available Linum spergulinum Michener, Bioletti 1892-1 376 Sonoma Magg's Springs Comment
  RSA177918  Lithophragma heterophyllum R. F. Thorne 1965-4-20 34365 Sonoma 3 miles up Cavedale Rd. Ca 5 miles N of Sonoma. Comment
  UC1093940  Logfia filaginoides Herbert L. Mason 1947-5-4 13209 Sonoma near Kenwood; Hood Mountain Comment
  UC581113  Logfia gallica H. L. Mason 1934-4-28 8078 Sonoma head of Dohrman Creek; Josephs Ranch Comment
  CAS-BOT-BC283290  Lolium multiflorum Peter Rubtzoff 1951-7-21 481 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh, near the highway Comment
  CAS-BOT-BC283297  Lolium multiflorum G. DeNevers 1981-5-30 1352 Sonoma Pepperwood Ranch. On N side of Studio Road at base of hill, near the green Gate Comment
  UC38792  Lolium multiflorum A. M. Coomes 1896-6-20 Sonoma Cloverdale Comment
  UC573666  Lolium multiflorum H. S. Yates 1936-5-16 5581 Sonoma 1 mi ne Graton; Sebastopol Quadrangle Comment
  UCD66008  Lolium multiflorum Beecher Crampton 1957-7-11 4305 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD66009  Lolium multiflorum James Holleman 1959-5-12 Sonoma 1 mile west of Duncan Mills. Comment
  UCSC000076  Lolium multiflorum H. S. Yates 1937-5-30 6551 Sonoma 1.5 miles E. of Occidental - Sebastopol 91 Comment
  RSA94286  Lolium perenne Peter Rubtzoff 1951-7-14 426 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  UCD66314  Lolium perenne David L. Morgan 1956-4-2 Sonoma 2 mi. W of Petaluma on the 'D' St. extension Rd. Comment
  CAS-BOT-BC269191  Lolium temulentum A. A. Heller 1902-6-10 5679 Sonoma Santa Rosa Comment
  UCD66634  Lolium temulentum A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3570 Sonoma 9.1 miles northwest of Santa Rosa. Comment
  CAS-BOT-BC269190  Lolium temulentum 1880-7-28 s.n. Sonoma Petaluma Comment
  UCD167360  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
  POM133383  Lomatium californicum A. A. Heller, H. E. Brown 1902-3-28 s.n. Sonoma Hills at Santa Rosa Comment
  POM266014  Lomatium caruifolium Lincoln Constance, Reed Rollins 1942-5-10 2862 Sonoma Sonoma County: 4 miles N of Geyserville. 61 Comment
  SEINET12118785  Lomatium dasycarpum Unknown 1953-1 3448 Sonoma Mark West road, 1 mi SW of Petrified Forest Comment
  SD71327  Lomatium repostum John Thomas Howell 1966-6-2 41551 Sonoma Hills east of Agua Caliente Comment
  UC1714578  Lomatium utriculatum J. Burtt Davy 1896-3-15 1668 Sonoma near Cazadero Comment
  UC21271  Lomatium utriculatum J. Burtt Davy 1896-3-15 1699 Sonoma Sea View near Fort Ross; Sea View Comment
  UC333728  Lomatium utriculatum Hy. Edwards May 1877 316 Sonoma Knights Valley 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
  JEPS12837  Lonicera hispidula var. vacillans M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma near Guerneville; Russian River 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-BC300483  Lotus Peter Rubtzoff 1973-8-29 7288 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente Comment
  CAS-BOT-BC540824  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rohnert Park., creek bed west of Commrece Blvd. crossing. Comment
  JEPS12338  Lotus angustissimus B. Crampton 1955-6-17 2967 Sonoma Fort Ross, State Highway 1 Fort Ross; , State Highway 1 Comment
  UCSB31801  Lotus corniculatus Townsend, J. 1977-5-21 Sonoma North side of Calif. State 12, 1 mile east of Freestone 304 Comment
  UC1193201  Lotus crassifolius var. crassifolius R. H. Neuns 1950-5-8 109 Sonoma 9 mi w Cloverdale (Quad 60B3) 579 Comment
  RSA620426  Lotus formosissimus Peter Rubtzoff 1966-4-30 5688 Sonoma North side of Highway 116, 0.5 mile northwest of Stony Point Road crossing. Comment
  SEINET4982902  Lotus formosissimus Unknown 1994-4-3 77 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; Hwy 1 Comment
  CDA36838  Lotus micranthus 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
  SEINET12154225  Lotus nevadensis var. douglasii Unknown 1936-1 13109 Sonoma nr Healdsburg Comment
  SEINET8721506 Image available Lotus purshianus Unknown s d 38255 Sonoma Bloomfield 30 Comment
  JEPS55793  Lotus purshianus var. purshianus A. M. Ottley 1921-5-6 1353 Sonoma Sonoma Comment
  RSA138211  Lotus unifoliolatus Volney Rattan 1877-1 s.n. Sonoma Santa Rosa Comment
  UCD65846  Ludwigia hexapetala B. J. Grewell 2006-8-23 06- 48 -LU Sonoma Russian River watershed, Russian River at summer water crossing, Asti. Collection immediately downstream of summer bridge, west bank. 64 Comment
  UCD66045  Ludwigia hexapetala Robert McKee; Greg Woods 2006-7-31 06- 54 -LU Sonoma Russian River upstream of Wohler Bridge @ Sonoma County Water Agency collectors. 10 Comment
  CAS-BOT-BC173514  Ludwigia peploides Peter Rubtzoff 1955-7-9 1937 Sonoma Forestville Marsh Comment
  SEINET10488357  Lupinus affinis Joseph W. Congdon 1880-5-22 Congdon UMO 42423 Sonoma Santa rosa road Comment
  UCD105742  Lupinus affinis John Thomas Howell 1976-4-26 51596 Sonoma hills east of Geyserville on road to Geysers. Comment
  UC127022  Lupinus albifrons F. T. Bioletti 1894-1 Sonoma near Hood's Peak; near Hood's Peak Comment
  SEINET10488444  Lupinus albifrons Joseph W. Congdon 1880-5-16 Congdon s.n. Sonoma Above Sebastopol. Comment
  SEINET12165153  Lupinus albifrons W. Knight, Knight, I.; Ellman, P.; Petersen, J. 1986-1 5248 Sonoma Bowerie Aubdubon Preserve, betw Cavedale Rd adn Stuart Canyon .5mi off hwy 12 Comment
  CAS-BOT-BC195983  Lupinus albifrons var. albifrons Alice Eastwood; John Thomas Howell 1938-5-15 5514 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC196464  Lupinus arboreus Greg de Nevers 1992-4-23 10114 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  JEPS64942  Lupinus arboreus W. L. Jepson 1931-7-19 15952 Sonoma near Markham; Russian River Comment
  SBBG21348  Lupinus arboreus V. Haraden 1941-7-13 2 Sonoma Bodega Bay 30 Comment
  UCD106631  Lupinus arboreus P. B. Kennedy 1915-5-28 15 Sonoma Del Mar. Comment
  CAS-BOT-BC196462  Lupinus arboreus Catherine Best 1981-4-4 s.n. Sonoma On Coleman Valley Rd just west of Coleman Valley Comment
  JEPS128290  Lupinus bicolor Roger Raiche 2002-4-12 003 .02 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SD125494  Lupinus formosus var. formosus M. L. Conrad, Dunn and Le Doux 1973-6-9 7079 Sonoma 0.6 mile west of Sonoma-Napa County Line on Highway 121. 60 Comment
Read comments
Aug 9 2012
  RSA3044  Lupinus formosus var. formosus Carl B. Wolf 1931-8-23 2345 Sonoma Along Redwood Highway, 1 mile south of Cloverdale. 91 Comment
  RSA372144  Lupinus formosus var. formosus David B. Dunn, M. L. Conrad, LeDoux 1973-6-9 20712 Sonoma 5.3 miles east of the junction of Highway 101 and Highway 116 on 116. Comment
  SD255743  Lupinus latifolius Ann Howald 2015-4-1 3335 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 17 miles west of intersection with Rockpile Rd, Wolf Creek drainage. 259 Comment
  POM10762  Lupinus latifolius subsp. latifolius A. A. Heller, H. E. Brown 1902-4-17 5320 Sonoma Hills at Santa Rosa Comment
  SEINET12165195  Lupinus micranthus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -189 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 630 Comment
  UC865134  Lupinus microcarpus var. densiflorus A. A. Heller 1938-5-14 15091 Sonoma w of Petaluma near Two Rocks; near Two Rocks Comment
  UC65701  Lupinus nanus A. A. Heller 1902-4-9 5233 Sonoma Healdsburg Comment
  UC65702  Lupinus nanus A. A. Heller 1902-3-21 5115 Sonoma Santa Rosa Comment
  UCD151181  Lupinus nanus James A. Neilson Jr. 1974-4-16 3114 Sonoma Mayacmas Mountains. Sulphur bank number 13. (Elevation estimated using Google Earth by label maker.) 487 Comment
  SEINET7040132 Image available Lupinus polycarpus A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  CDA27567  Lupinus polyphyllus var. polyphyllus D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  UCD109522  Lupinus sericatus Roger Raiche 1984-3-25 RR 40074 Sonoma Kelly Road just west of its intersection with Rockpile Road. 609 Comment
  SEINET11162202  Lupinus tidestromii W. S. Cooper Sonoma Comment
  UC1129737  Lupinus variicolor H. S. Yates 1934-4-21 3776 Sonoma near Bodega; Sebastopol Quadrangle Comment
  UC683337  Lupinus variicolor Mrs. H. P. Bracelin 1931-5-9 341 Sonoma beyond Dundee R.R. station and Molino nursery about one mi w Sebastopol Comment
  POM304144  Lupinus variicolor H. C. Cantelow 1940-4-20 s.n. Sonoma 2 miles S of S. end of Russian River Bridge, Highway 1. Comment
  UCD109665  Lupinus variicolor Eric Davidson 1971-6-29 335 b Sonoma Salt Point State Park, north of Fort Ross. Comment
  UCSB17482  Lupinus variicolor Dearing, Hugh; Dearing, Margaret 1939-5-14 Sonoma From coast on Russian River Comment
  CAS-BOT-BC210022  Luzula Peter Rubtzoff 1962-4-11 4793 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road) Comment
  CAS-BOT-BC210025  Luzula Peter Rubtzoff 1958-5-17 3680 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road) Comment
  SEINET7075563  Luzula comosa A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley. 38? deg. 24' 31" North Latitude, -122? deg. 37' 52" West Longitude. UTM Zone 10, 532220mE, 4251005mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  JEPS128351  Luzula parviflora Roger Raiche 2000-4-15 037 .00 Sonoma The Cedars. Azalea Creek, The Blob area, Beargrass Gulch. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET12193549  Lythrum hyssopifolia W. Knight, Knight, I. 1983-1 4719 Sonoma Sonoma Mountain Rd #2 at former Jack London property at old Wake Robin Lodge site Comment
  JEPS128282  Madia Roger Raiche 2005-4-22 019 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA785884  Madia Peter Rubtzoff, Nancy Harrison 1974-7-13 7669 Sonoma Upper Green Valley Marsh. Comment
  UCD148375  Madia Peter Rubtzoff 1955-9-25 2161 Sonoma Forestville Marsh area. Comment
  CAS-BOT-BC344042  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi. N. of Occidental Comment
  CAS-BOT-BC344044  Madia elegans James I. McMurphy 1906-7-17 s.n. Sonoma Fulton Comment
  CAS-BOT-BC344045  Madia elegans James I. McMurphy 1909-8-10 716 Sonoma West Santa Rosa Comment
  CAS-BOT-BC344050  Madia elegans John Thomas Howell 1930-7-13 5341 Sonoma Black Point Road Comment
  CDA8246  Madia elegans subsp. vernalis M. K. Bellue 1943-5-14 Sonoma Road into Donahue. 0 Comment
  CAS-BOT-BC344552  Madia exigua Roxana S. Ferris; Laura Lorraine 1961-6-15 13564 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road Comment
  CAS-BOT-BC344554  Madia exigua Greg de Nevers 1990-5-1 9661 A Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC344555  Madia exigua J. Clausen 1935-5-23 1074 Sonoma 0.3 mi. N. of entrance to Petrified Forest Comment
  UCD136442  Madia exigua M. Rei Scampavia Evangelista 2012-5-20 12 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  CAS-BOT-BC157660  Madia exigua Peter Rubtzoff 1961-6-23 4639 Sonoma Bennett Mountain Lake. Comment
  POM194541  Madia exigua Y. Mexia 1929-6-2 2391 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC343446  Madia gracilis Peter Rubtzoff 1952-6-3 1171 Sonoma Fitch Mtn. Grove, near Healdsburg Comment
  CAS-BOT-BC343459  Madia gracilis A. A. Heller 1902-6-23 5738 Sonoma Petrified Forest Comment
  CAS-BOT-BC343470  Madia gracilis Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 6 miles east of Stewarts Point Comment
  POM56193  Madia gracilis subsp. gracilis A. A. Heller 1902-6-23 5738 Sonoma Petrified Forest Comment
  CDA8260  Madia madioides G. D. Barbe 1982-5-27 3620 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment
  POM231101  Madia nutans Jens Clausen 1935-5-23 1073 Sonoma 0.32 miles N of entance to Peftified Forest. Comment
  CAS-BOT-BC345228  Madia sativa H. M. Hall 1916-7-24 10250 Sonoma Near Petaluma Comment
  RSA790981  Madia sativa Peter Rubtzoff 1962-6-13 4894 Sonoma Freestone Marsh. 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-BC345263  Madia sativa Milo S. Baker 1932-8-27 6010 Sonoma M. S. Baker ranch, Adobe Canyon Comment
  UC990650  Madia sativa James I. McMurphy 1909-8-8 703 Sonoma electric RR station between Santa Rosa and Sebastopol; Leddy 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
  RSA177991  Maianthemum racemosum subsp. amplexicaule Robert F. Thorne 1965-4-19 34295 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  UCD139120  Maianthemum stellatum Frederica Bowcutt 1994-5-1 1779 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 S of Sonoma Creek about 150 yards, 1/4 mile northwest of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. Campground. 350 Comment
  UC30929  Mantisalca salmantica Miss M. A. King July 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC164410  Marah Peter Rubtzoff 1957-5-4 3312 Sonoma Duncans Mills Marsh area. Comment
  POM59382  Marah fabacea A. A. Heller, H. E. Brown 1902-4-15 5300 Sonoma Santa Rosa Creek Comment
  CDA34793  Matricaria discoidea Peter Warner 2010-3-29 120 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  CAS-BOT-BC348310  Matricaria occidentalis Peter Rubtzoff 1970-5-30 6239 Sonoma 5 mi. north of Sears Point Comment
  CAS-BOT-BC422698  Meconella californica M. S. Baker 1926-4-14 181 a-Son. Ser. Sonoma Unspecified Comment
  CAS-BOT-BC269509  Melica californica David L. Morgan 1956-4-27 s.n. Sonoma 3 mi. W. of Petaluma on I St. Ext. Comment
  JEPS128376  Melica californica Roger Raiche 2000-5-28 119 .00 Sonoma The Cedars. (Shown on SLT maps as Marshall Creek but this is not the name on USGS sheets). Gualala River Wheatfield Fork watershed. Comment
  SEINET10599366  Melica californica A. Arthur Heller 1902-4-9 Heller 5246 Sonoma In a railroad cut 3 miles south of Healdsburg. Comment
  CAS-BOT-BC281273  Melica geyeri Peter Rubtzoff 1952-6-10 1202 Sonoma NE slopes of Fitch Mountain, near Healdsburg Comment
  UCD87356  Melica geyeri R. Tofsrud 1948-5-1 s.n. Sonoma Woods between Kellogg and Alexander Valley. Comment
  UCD151086  Melica subulata James A. Neilson Jr. 1973-6-3 2983 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC262552  Melica torreyana G. DeNevers 1981-5-15 1182 Sonoma Pepperwood Ranch. In first big left hand Canyon off N arm of Garrison Canyon Comment
  CAS-BOT-BC262554  Melica torreyana G. DeNevers 1981-5-7 1006 Sonoma Pepperwood Ranch. By confluence of Leslie Creek with Mark West Creek Comment
  CAS-BOT-BC262555  Melica torreyana G. DeNevers 1981-4-27 883 Sonoma Pepperwood Ranch. On the ridge NW of the Garrison House Comment
  JEPS128350  Melica torreyana Roger Raiche 2000-4-8 024 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD89212  Melica torreyana M. Wiesendanger 1927-5-5 734 Sonoma Kenwood Springs. Comment
  UCD89206  Melica torreyana R. Tofsrud 1942-4-1 299 Sonoma Wooded hill between S.R. and County farm. Comment
  SEINET12165192  Melilotus indicus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -163 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 120 Comment
  CAS-BOT-BC166905  Mentha Peter Rubtzoff 1955-8-28 2113 Sonoma Guerneville region. Vacation Beach, near Guerneville; Russian River. Comment
  UCD148382  Mentha Peter Rubtzoff 1955-8-28 2113 Sonoma Guerneville region. Vacation Beach, near Guerneville; Russian River. Comment
  CAS-BOT-BC164675  Mentha Peter Rubtzoff 1963-8-17 5229 Sonoma Russian River Mouth Marsh. Comment
  CAS-BOT-BC173614  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi. east of Healdsburg. Russian River. Comment
  CAS-BOT-BC173615  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi. east of Healdsburg. Russian River Comment
  RSA785217  Mentha Peter Rubtzoff 1958-9-27 4011 Sonoma Laguna de Santa Rosa, northeast of Graton (1.5 mi. N of Guerneville Road). Comment
  RSA785218  Mentha Peter Rubtzoff 1959-8-2 4210 Sonoma Willow Creek Marsh. Comment
  RSA785673  Mentha Peter Rubtzoff 1960-9-17 4559 Sonoma Laguna de Santa Rosa, E of Graton (between Occidental and Guerneville Road). Comment
  RSA247445  Mentha X piperita Peter Rubtzoff 1951-9-3 743 Sonoma Margin of creek at Hwy 12 SE of Forestville Comment
  UCD163793  Mentha aquatica Peter Rubtzoff 1962-10-9 s.n. Sonoma Brooks Gulch Marsh. Comment
  UCD148406  Mentha canadensis Peter Rubtzoff 1958-8-16 3882 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UC726378  Mentha pulegium A. A. Heller 1923-7-12 13806 Sonoma Windsor Comment
  CAS-BOT-BC173657  Mentha pulegium Peter Rubtzoff 1956-9-16 2921 Sonoma Guerneville region. Vacation Beach, near (1.5 mi. below) Guerneville. Comment
  RSA785665  Mentha pulegium Peter Rubtzoff 1962-8-22 5034 Sonoma Bodega Bay Marsh. Comment
  RSA83444  Mentha pulegium F. W. Peirson 1925-8-8 6345 Sonoma 5 miles south of Santa Rosa Comment
  SBBG85792  Mentha pulegium L. F. LaPre 1986-7-29 Sonoma Pine Flat Rd, Pine Flat, near the Lake County line, 12 mi E of Healdsburg Comment
  UCD102803  Micranthes californica Frederica Bowcutt 1996-3-24 2092 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 1/2 air miles W of Mount Saint John, along Brushy Peaks Trail just S of Malm Fork of Sonoma Creek. 426 Comment
  RSA54045  Micropus amphibolus J. T. Howell 1948-4-18 24203 Sonoma Hills east of Agua Caliente. Comment
  CAS-BOT-BC348632  Micropus californicus var. californicus L. R. Abrams 1918-4-27 6902 Sonoma Independence School near Healdsburg Comment
  CAS-BOT-BC348634  Micropus californicus var. californicus Barrett Anderson 1987-4-27 3472 Sonoma Petaluma, south of El Rose and west of D Street 120 Comment
  RSA784491  Microseris Peter Rubtzoff 1974-5-26 7470 Sonoma On Bennett Valley Road, 4.25 mi W of Glen Ellen. Comment
  CAS-BOT-BC322748  Microseris paludosa Ella Dales Cantelow 1941-4-18 3508 Sonoma 2 miles north of Windsor Comment
  SD56675  Microseris paludosa Darley F. Howe 1963-7-3 3592 Sonoma 20 miles north of junction with Highway 12 on Highway 1. Comment
  CAS-BOT-BC311866  Mimulus Peter Rubtzoff 1969-6-14 6073 Sonoma Vernal pool, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  CAS-BOT-BC320503  Mimulus Peter Rubtzoff 1955-7-9 1929 Sonoma Forestville Marsh. Comment
  RSA0025392  Mimulus Peter Rubtzoff 1972-5-25 6764 Sonoma Laguna, Chileno Valley. Comment
  UC446449  Mimulus arvensis Milo S. Baker 1898-5-7 637 Sonoma Glen Ellen Comment
  UCD162165  Mimulus aurantiacus D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1518 Sonoma Hooker Creek watershed. 520 Comment
  UCD122189  Mimulus aurantiacus Valerie Bullock 1993-5-8 216 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 hillside on base of woodland. 365 Comment
  JEPS11702  Mimulus aurantiacus var. aurantiacus Francis W. Pennell Jul 2 1940-Jul 3 1940 26033 Sonoma mountain ne Kenwood Springs 243 Comment
  JEPS76922  Mimulus aurantiacus var. aurantiacus Robert M. Lloyd 1963-2-24 2057 Sonoma 4 mi s State Highway 12 (above State Highway 1) 15 Comment
  UC1063404  Mimulus aurantiacus var. aurantiacus J. B. Spring May 1932 69 Sonoma Head Hooker Canyon Napa Quadrangle 457 Comment
  UCD39137  Mimulus cardinalis Beecher Crampton 1964-8-18 7144 Sonoma N.E. 'The Geysers', Big Sulphur Creek. Comment
  JEPS86852  Mimulus douglasii David M. Thompson 1989-3-18 990 Sonoma 2.8 mi w of birdge Lake Sonoma (along Rockpile Road, then 0.4 mi s along paved campground road to Liberty Glen campground entrance booth, 0.1-0.2 mi ne of parking area); Lake Sonoma Recreation Area 180 Comment
  RSA535826  Mimulus douglasii David M. Thompson 1988-4-2 864 Sonoma 1.1 mi N of Porter Creek Road along Franz Valley Road. 30 ft S of (and opposite) 900 Franz Valley Road residence gate. 305 Comment
  POM5095  Mimulus guttatus Michener, Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  UCR248894  Mimulus guttatus Peter Rubtzoff 1958-7-5 3748 Sonoma Atascadero Creek Marsh Comment
  UCR252547  Mimulus guttatus Peter Rubtzoff 1964-8-26 5476 Sonoma Central Coast, [Lichau] Marsh, 5 miles northeast of Penngrove on Lichau Road 220 Comment
  POM5021  Mimulus guttatus C. F. Baker 1899-05 s.n. Sonoma Stewarts Canon, near Falls. Comment
  UC1042504  Mimulus microphyllus Peter Rubtzoff 1951-6-2 104 Sonoma near Forestville (w branch of marsh); Pitkin Marsh Comment
  POM5035  Mimulus tricolor Katherine Brandegee 1905-6-8 s.n. Sonoma Along electric line near Santa Rosa. Comment
  CAS-BOT-BC388892  Minuartia douglasii Roxana S. Ferris; Laura Lorraine 1961-6-14 13522 Sonoma Junction of Bittner Rd. with Joy Rd., between Occidental and Bodega Comment
  JEPS48608  Minuartia douglasii Eleanor Armstrong 1932-5-20 482 Sonoma near Kenwood (3 mi up canyon); Adobe Canyon 152 Comment
  CAS-BOT-BC388894  Minuartia douglasii G. DeNevers 1982-5-2 1975 Sonoma Pepperwood Ranch. On banks of Hansel's Lake Comment
  CAS-BOT-BC388895  Minuartia douglasii G. DeNevers 1981-5-9 1070 Sonoma Pepperwood Ranch. E of the gate to the Redwoods Comment
  UCD98266  Minuartia douglasii Frederica Bowcutt; Jeff Kennedy 1994-5-21 1811 Sonoma Sugarloaf Ridge State Park; about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles NW of Napa, 1.5 air miles NE of Kenwood. Along the Meadow Trail, approx. 3/4 mile from trail head. 1500 Comment
  UC679520  Mitella caulescens Milo S. Baker 1942-5-23 10199 Sonoma Brookside Garden Comment
  POM161866  Modiola caroliniana Rimo Bacigalupi 1928-6-18 1904 Sonoma Beach at mouth of Salmon Creek, 2 miles N of Bodega Bay. Comment
  SEINET12326118  Monardella neglecta W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4756 Sonoma The Cedars, near Cazadero on Twitchell Ranch 229 Comment
  CHSC67997  Monardella villosa Jack Guggolz; Betty Guggolz 1992-5-17 1303 Sonoma West side of Black Mountain, south of Geyser Peak. Blooming just above the Anderson Trail on O'Farrell property. 597 Comment
  LA62455  Monardella villosa Merle Randall; 1930-6-13 sn Sonoma Alamere Creek Comment
  UC76203  Monardella villosa subsp. globosa Miss M. Alice King June 1897 Sonoma near Healdsburg Comment
  CAS-BOT-BC314207  Monardella villosa subsp. villosa C. L. Hitchcock; J. S. Martin 1939-7-15 5446 Sonoma Cliffs below Bodega State Park. Comment
  JEPS70099  Monardella villosa subsp. villosa Geo. W. Dunn June, 1890 Sonoma Comment
  UC50091  Monolopia major H. N. Bolander 1866-4-18 4665 Sonoma Petaluma Comment
  CAS-BOT-BC166932  Montia Peter Rubtzoff 1974-4-17 7371 Sonoma Upper Green Valley Marsh area. Comment
  UCD165123  Montia Peter Rubtzoff 1974-4-17 7371 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC7347  Montia clara Amos Arthur Heller 1902-4-16 5313 Sonoma Santa Rosa Comment
  POM161366  Muilla maritima Rimo C. Bacigalupi 1252 Sonoma Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. 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
  UCSB5631  Myosotis discolor Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; northwest of Sebastopol; 1 miles north of Sousa Corners Comment
  CAS-BOT-BC257704  Myosurus Peter Rubtzoff 1966-4-17 5672 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC257705  Myosurus Peter Rubtzoff 1966-4-17 5681 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC101799  Myrica californica John Thomas Howell; J. W. Stacey 1936-7-26 12687 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  JEPS30065  Myrica californica Alice Louise Griffin Sonoma Stewart's Point Comment
  UCD166107  Myriophyllum Peter Rubtzoff 1971-9-3 6702 Sonoma Spring Creek Reservoir area. Comment
  CAS-BOT-BC251166  Myriophyllum aquaticum Peter Rubtzoff 1963-7-6 5195 Sonoma Laguna de Santa Rosa area east of Cunningham. Comment
  CAS-BOT-BC376236  Myriophyllum hippuroides Greg de Nevers 1996-10-18 10887 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Biggest Double Pond 487 Comment
  UC2028423  Myriophyllum verticillatum Barbara Ertter 1988-11-5 8034 Sonoma Lake Sonoma ca 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge Comment
  CAS-BOT-BC456195  Najas guadalupensis Greg de Nevers 1996-10-18 10885 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Biggest Double Pond. 487 Comment
  CAS-BOT-BC456192  Najas guadalupensis Peter Rubtzoff 1973-8-27 s.n. Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC456194  Najas guadalupensis Peter Rubtzoff 1955-7-30 1996 Sonoma Bennett Mtn. Lake. Comment
  UC768841  Nassella lepida Robert F. Hoover 1941-6-7 5313 Sonoma two mi se Monte Rio (on road to Camp Meeker) Comment
  SEINET7067245  Nassella pulchra A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  CAS-BOT-BC260281  Nassella pulchra K. Wagnon 1939-5-4 187 Sonoma Downie's pasture, 5 miles W of Sebastopol, near O'Farrel Hill Comment
  UC856857  Navarretia cotulifolia A. A. Heller 1902-6-4 5638 Sonoma Santa Rosa Comment
  JEPS70317  Navarretia heterodoxa Milo S. Baker 1928-6-16 3041 b Sonoma Hope Valley, n of Barber Ranch Hope Valley Comment
  HSC100966  Navarretia intertexta subsp. intertexta Peter Warner, Sarah Gordon 2011-5-27 205 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), ~675 m, N75 deg. E from main residence, E from Mark West Creek Rd., S of 2nd bridge below power lines. 159 Comment
  JEPS70381  Navarretia leucocephala subsp. bakeri J. Ewan 1935-5-13 9249 Sonoma along RR. tracks Wright School (on Sebastopol road) Comment
  JEPS86299  Navarretia leucocephala subsp. bakeri Jack and Betty Guggolz 1989-4-29 1001 Sonoma Comment
  CAS-BOT-BC230376  Navarretia leucocephala subsp. bakeri Niall McCarten 1986-5-28 5260 Sonoma NE end of Shiloh Ranch, 0.25 mile S of N end of Leslie Road on E side of road Comment
  POM258874  Navarretia mellita J. T. Howell 1937-7-4 13075 Sonoma Near Petrified Forest. Comment
  UCD48683  Navarretia squarrosa Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 48 Sonoma On bluff edge by lodge, possibly planted from wildflower mix; Unit 2 Owner's Map, Sea Ranch, near State Hwy. 1. Comment
  JEPS70509  Navarretia viscidula W. L. Jepson 1921-6-2 9298 Sonoma w of Windsor Comment
  SEINET3156469  Nemophila atomaria L. S. Rose 1933-5-9 33160 Sonoma Bodega Bay Comment
  CHSC23124  Nemophila menziesii Robert A. Schlising 1962-3-31 2110 Sonoma In pastured field. Comment
  UC107228  Nemophila menziesii Alice Eastwood Apr 1901 Sonoma Bodega Comment
  UCD120232  Nemophila menziesii R. W. Thorp 1967-3-9 670309 D Sonoma One mile southeast of Verona. Comment
  CHSC26441  Nemophila menziesii var. atomaria P. Kunst 1977-4-11 20 Sonoma Moist open area within Redwood Forest. 195 Comment
  POM248998  Nemophila menziesii var. atomaria Lincoln Constance 1938-4-24 2158 Sonoma Mouth of small canyon, 0.5 mile south of Fort Ross. 91 Comment
  RSA51317  Nemophila menziesii var. menziesii Peter H. Raven 1950-4-6 1571 Sonoma Cotati to Santa Rosa. 30 Comment
  CAS-BOT-BC230567  Nemophila parviflora var. parviflora A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross Comment
  CAS-BOT-BC173515  Nicotiana Peter Rubtzoff 1970-9-13 6387 Sonoma Russian River bottom at Forest Hills, 5.5 miles East of Guerneville Comment
  UCD164977  Nicotiana acuminata var. multiflora Peter Rubtzoff 1974-8-3 7793 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  HSC8113  Notholithocarpus densiflorus var. densiflorus F. Demostene 1966-4-4 20 Sonoma 1 mi. W of Healdsburg Comment
  RSA20410  Oenanthe sarmentosa Roxana S. Ferris 1937-8-18 9376 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC251251  Oenothera Peter Rubtzoff 1960-5-18 4383 Sonoma Bodega Head Marsh. Comment
  CHSC114375  Onopordum illyricum Andrew Smith 2011-12-21 PDR 1604230 Sonoma Santa Rosa; Pepperwood Preserve; 3450 Franz Valley Rdl, near Mark West Springs Rd. Comment
  CAS-BOT-BC361408  Orobanche fasciculata Greg de Nevers 1997-5-17 11004 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. On Oak Hill Ranch burn. 457 Comment
  CAS-BOT-BC7012  Orthocarpus castillejoides Alice Eastwood; John Thomas Howell 1936-5-19 2518 Sonoma 2 miles N of Windsor Comment
  POM209739  Orthocarpus densiflorus H. E. Parks, Susan T. Parks 1930-5-7 632 Sonoma North end of Knight's Valley. 107 Comment
  RSA178010  Orthocarpus faucibarbatus Robert F. Thorne 1965-4-19 34288 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  RSA177981  Orthocarpus faucibarbatus Robert F. Thorne 1965-4-19 34308 Sonoma Guerneville Hwy, 1 mile E of Laguna Road; ca 4 miles W of Santa Rosa. 46 Comment
  RSA523834B  Orthocarpus faucibarbatus Gordon H. True Jr. 1936-4-7 406 Sonoma Near Sonoma. 91 Comment
  CAS-BOT-BC25976  Orthocarpus faucibarbatus var. albidus David D. Keck; J. Clausen 1935-6-15 3375 Sonoma 3 mi. S. of Russian River mouth Comment
  NY90845  Orthocarpus faucibarbatus var. albidus D. D. Keck 1935-6-15 3375 Sonoma 3 mi. S of Russian River mouth. Comment
  UCD127786  Osmorhiza berteroi J. M. Tucker 1951-6-26 2138 Sonoma beside road from Oakville to Glen Ellen, near summit of the range. Comment
  UCD127444  Osmorhiza berteroi Botany 102 Students 1993-4-17 29 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. S of Red Mountain about 1 air mile. In campground. 365 Comment
  SEINET3143955  Osmorhiza chilensis L. S. Rose 1940-5-6 40263 Sonoma Sonoma Creek Canyon 213 Comment
  UC971947  Oxalis oregana Martha Meagher 1947-3-23 93 Sonoma 1/2 mi w Freezout (across Russion River from Duncan's Mills) Comment
  CDA7164  Oxalis pes-caprae Plane/S. Thomas 2008-2-26 PDR# 1481679 Sonoma Kenwood, 11011 Sonoma Hwy 0 Comment
  UCD160871  Packera greenei James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3422 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
  RSA0000459  Panicularia davyi Jos Burtt Davy 1899-7-21 6005 Sonoma Near Guerneville. Comment
  CAS-BOT-BC227649  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA784566  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River bottom at Forest HIlls, 5.5 mi east of Guerneville. Comment
  OBI30446  Panicum acuminatum John & Lucille Roos, Lucille Roos 1956-9-1 6598 Sonoma The Geysers Comment
  UC971699  Panicum acuminatum var. acuminatum Leo Koch 1940-4-22 825 Sonoma bare slopes around Sulphur Creek Geysers (e of Cloverdale); Inner North Coast Ranges, Sulfur Creek Geysers Comment
  UCD167112  Panicum acuminatum var. fasciculatum James Neilson 1975-7-8 3404 Sonoma Mayacmas Mountains. Socrates Mine. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCD33493  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers, 12 miles (direct line) east of Colverdale. 493 Comment
  UCD89126  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 d Sonoma North East part of county. The Geysers, Comment
  UCD89140  Panicum acuminatum var. thermale Rick York; S. de Becker, L. Wickenheiser, J. O'Hagan 1990-7-24 90 001 Sonoma The Little Geysers, south of Little Geysers Creek. Comment
  SEINET3144584  Panicum thermale H. N. Bolander 1860-1-1 3941 Sonoma Gysers [?] Comment
  CHSC59824  Parentucellia viscosa Herb McLane 1980-4-21 5 Sonoma W of U. S. 101 and n 20 ft of Healsburg Ave. Comment
  JEPS112829  Parentucellia viscosa Dean W. Taylor 1994-5-4 14218 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  UC984865  Parentucellia viscosa L. Beane and Lois E. James 1949-5-16 1963 Sonoma about 2 mi s Cloverdale Comment
  JEPS128230  Parnassia palustris Roger Raiche 2000-9-9 152 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC154989  Paspalum Peter Rubtzoff 1973-10-10 7342 Sonoma Tributary of Americano Creek, 2 mi. W of Bloomfield Comment
  UCD88734  Paspalum dilatatum Mary M. Hektner 1974-7-10 145 B Sonoma along State Highway 1, just off Leeward Road, Unit 28 Owners' Map, Sea Ranch. 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
  UC635622  Paxistima myrsinites H. L. Mason 1934-4-28 8079 Sonoma Dohrman Creek at head of Jensen's Ranch Comment
  CAS-BOT-BC69303  Pellaea andromedifolia Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UC62502  Pellaea andromedifolia J. Burtt Davy 1894-12-9 863 Sonoma Kenwood Comment
  CAS-BOT-BC71483  Pellaea mucronata Walter Knight; Irja Knight 1964-1-17 519 Sonoma Hooker Canyon, Cavedale Rd. Comment
  SEINET10732556  Peniocereus greggii var. transmontanus George Thurber 1851-1 Sonoma Comment
  SEINET12326114  Penstemon heterophyllus W. Knight, Knight, I. 1983-1 4710 Sonoma Calistoga Rd 2.5 mi from State Route 12,300 yds S of summit 152 Comment
  JEPS52288  Penstemon heterophyllus var. purdyi Walter Knight and Wayne Roderick 1966-5-26 Sonoma Mark West Springs Comment
  NY601758  Penstemon heterophyllus var. purdyi A. A. Heller 1902-5-29 5625 Sonoma Mount Hood Comment
  SEINET6174116 Image available Penstemon newberryi var. sonomensis Sally Walker 1981-5-8 81 H04 Sonoma Summit of North peak of Mt. St. Helena 1324 Comment
  CAS-BOT-BC71731  Pentagramma triangularis subsp. triangularis Peter Rubtzoff 1952-6-9 1181 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC71734  Pentagramma triangularis subsp. triangularis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54017 A Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove 457 Comment
  CAS-BOT-BC222746  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-7-30 5778 Sonoma Atascadero Creek Marsh Comment
  JEPS86310  Perideridia gairdneri subsp. gairdneri Vicki Wilson 1988-8-21 986 Sonoma Comment
  CAS-BOT-BC413646  Persicaria amphibia Peter Rubtzoff 1958-9-6 3970 Sonoma Laguna de Santa Rosa north of Cunningham (nr. Todd Road) Comment
  CAS-BOT-BC413659  Persicaria amphibia Peter Rubtzoff 1966-8-21 5796 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC418903  Persicaria hydropiperoides Peter Rubtzoff 1954-8-10 1675 Sonoma Bodega Head Marsh Comment
  SJSU5986  Persicaria hydropiperoides C. W. Sharsmith 1972-6-24 7807 Sonoma Laguna de Santa Rosa, N of Sebastopol, E of Graton Comment
  CAS-BOT-BC419279  Persicaria maculosa Catherine Best 1981-8-22 s.n. Sonoma On Stoetz Lane, about 2 miles northeast of Occidental Comment
  CAS-BOT-BC419290  Persicaria pensylvanica John Thomas Howell 1932-9-18 10778 Sonoma Bank of slough draining Kenwood Marsh Comment
  UCD98398  Petrorhagia nanteuilii Botany 102 Students 1993-5-8 285 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. In Adobe Canyon N of Sugarloaf Ridge. Bald Mountain Trail less than 1 air mile S of Red Mountain, N of Sonoma Creek. 487 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
  SD88415  Phacelia californica Darley F. Howe 1972-4-30 Sonoma South of Bodega Bay. Comment
  UCD120294  Phacelia californica Frederica Bowcutt 1984-6-23 453 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. West of Highway 1. North of Gerstle Cove about 1/2 mile. Salt Point State Park. 15 Comment
  POM298993  Phacelia distans J. T. Howell 1930-6-8 5274 Sonoma North end of Bodega Bay. Comment
  HSC13726  Phacelia distans James Faro 1962-4-17 15 Sonoma W side of Bodega Bay, N end Comment
  RSA0056425  Phacelia distans Greg de Nevers 1997-4-16 10943 Sonoma Moon Mountain Road. Comment
  RSA26565  Phacelia distans J. T. Howell 1929-6-9 4306 Sonoma Near Petrified Forest. Comment
  JEPS1083  Phacelia nemoralis subsp. nemoralis Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UC1051810  Phacelia nemoralis subsp. nemoralis L. R. Heckard and C. R. Bell 1951-6-12 152 Sonoma rocky roadcuts and roadsides about 2.5 mi ne Alexander Valley (along road to Pine Flat) 60 Comment
  SEINET10824378  Phacelia suaveolens Peter H. Raven 1965-5-16 Raven 20219 Sonoma Burned flats near Frantz District School. Comment
  RSA783845  Phalaris Peter Rubtzoff 1978-5-20 9175 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road (off N side of road, in Todd Road Wildflower Preserve). Comment
  UCD88336  Phalaris angusta H. S. Yates 1936-5-16 5617 Sonoma California Forest and Range Experiment Station. Near Green Valley School. 91 Comment
  CAS-BOT-BC258948  Phalaris aquatica Peter Rubtzoff 1962-6-19 4927 Sonoma Occidental Marsh Comment
  CAS-BOT-BC259022  Phalaris californica H. S. Yates 1936-5-16 5618 Sonoma Near Green Valley School 91 Comment
  CAS-BOT-BC259024  Phalaris californica Peter Rubtzoff 1962-5-11 4828 Sonoma Freestone Marsh Comment
  RSA227231  Phalaris californica Peter Rubtzoff 1962-6-1 4859 Sonoma Freestone Marsh Comment
  CAS-BOT-BC265916  Phalaris lemmonii Alice Eastwood; John Thomas Howell 1936-5-19 2507 Sonoma 2 miles N of Windsor Comment
  UCD89016  Phalaris lemmonii R. Tofsrud 1941-4-1 125 Sonoma Near Santa Rosa. Comment
  UC1146649  Phalaris paradoxa Freed W. Hoffman 1943-6-6 2209 Sonoma near Wright's Beach (Sonoma Coast); North Coast Ranges, , near Wright's Beach Comment
  CAS-BOT-BC383036  Phalaris paradoxa Greg de Nevers 1998-6-28 11295 Sonoma Lautenberg Ranch, Spencer Lane, Knights Valley. Comment
  UC1146587  Phleum alpinum Freed W. Hoffman 1943-6-6 2098 Sonoma Sonoma Coast Wright's Beach (cliffs at Wright's Beach); North Coast Ranges, , Wright's Beach Comment
  UC353923  Phlox speciosa subsp. nitida Milo S. Baker 1928-3-24 2718 c Sonoma 5 mi w Healdsburg (Jensen Ranch) Comment
  RSA159394  Phoradendron densum Roxana S. Ferris 1962-4-14 13584 Sonoma Ca 1/8 mile beyond County Dump on serpentine ridge. Comment
  UCD102206  Phoradendron leucarpum subsp. tomentosum Linda A. Bell 1975-5-24 185 Sonoma Mosquito Ridge Road, 17.5 miles East of junction with Auburn-Foresthill Road. 1310 Comment
  CAS-BOT-BC171217  Phoradendron serotinum subsp. tomentosum G. De Nevers 1981-7-1 1725 A Sonoma Pepperwood Ranch. Along the Road to the Studio on Horse Hill Comment
  UC327  Phyllospadix scouleri Milo S. Baker 1899-6-28 Sonoma near mouth of Russian River Comment
  UCD21520  Phyllospadix torreyi Becky Wilson 1973-5-12 71 Sonoma Bodega Bay Head in front of UC Marine Laboratory. Comment
  CAS-BOT-BC140612  Physocarpus capitatus Peter Rubtzoff 1959-6-7 4105 Sonoma Bank of Russian RIver betw. East Guerneville and Vacation Beach, nr. Guerneville Comment
  CAS-BOT-BC140614  Physocarpus capitatus A. A. Heller 1902-6-24 5758 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC140615  Physocarpus capitatus Lester Rowntree 1932-6-11 s.n. Sonoma Bodega Comment
  CAS-BOT-BC140626  Physocarpus capitatus Greg de Nevers 1987-5-11 8179 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  UCD161670  Pickeringia montana James A. Neilson Jr. 1975-1-24 3133 Sonoma Mayacmas Mountains; Dominichelli Ranch # 1. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  SEINET12165199  Pickeringia montana F. H. Utech 1986-1 86 -246 Sonoma Harrison Grade Road, S 0.1 mi from junction with Stoetz Road 200 Comment
  UCD108156  Pickeringia montana Frederica Bowcutt 1994-6-25 1923 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. 670 Comment
  UCR279635  Picris echioides Peter Rubtzoff 1966-8-16 5783 Sonoma Laguna de Santa Rosa, northeast of Graton, c. 0.5 mile north of Guerneville [Rd.] 26 Comment
  UC1134141  Pinus attenuata J. B. Spring 1932-7-3 95 Sonoma 2/5 mi sw Veeder Mountain; Napa Quadrangle 609 Comment
  UCD134794  Pinus muricata Lalit M. Srivastava 1957-11-2 25 Sonoma East side of State Highway 1, ca. 2 miles north of Fort Ross. 30 Comment
  NY62288  Pinus ponderosa H. N. Bolander s.n. Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET3874482 Image available Pinus radiata Ralph R. Wilson 1939-7-24 437 Sonoma Near Valley Ford.; 0 Comment
  CAS-BOT-BC154157  Plagiobothrys Peter Rubtzoff 1972-5-14 6741 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC166774  Plagiobothrys Peter Rubtzoff 1972-4-23 6735 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  UCD166175  Plagiobothrys Peter Rubtzoff 1969-6-15 6096 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCR279872  Plagiobothrys Peter Rubtzoff 1969-5-11 6048 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  CAS-BOT-BC154142  Plagiobothrys Peter Rubtzoff 1972-5-25 6771 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC154144  Plagiobothrys Peter Rubtzoff 1973-7-24 7198 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC154145  Plagiobothrys Peter Rubtzoff 1972-6-11 6780 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC361333  Plagiobothrys Greg de Nevers 1997-4-26 10981 Sonoma Point Reyes National Seashore, Bayview Trail Comment
  JEPS60957  Plagiobothrys bracteatus Milo S. Baker 1927-5-8 2141 b Sonoma summit of Bennett Valley road Comment
  SEINET12333746  Plagiobothrys bracteatus H. K. Wagnon 1989-1 1874 Sonoma Spring Lake Park & environs, adjacent to Montgomery Drive, Spring Creek diversion channel 67 Comment
  UC353901  Plagiobothrys greenei Milo S. Baker 1927-5-8 2131 a Sonoma at road near Summit Comment
  HSC87768  Plagiobothrys nothofulvus Kenneth Milam 1966-3-25 15 Sonoma 3/4 mi. W of Rockville Comment
  RSA51316  Plagiobothrys stipitatus P. H. Raven 1950-4-6 1570 Sonoma Cotati to Santa Rosa. 30 Comment
  RSA783849  Plagiobothrys undulatus Peter Rubtzoff 1972-5-25 6771 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC293683  Plantago Peter Rubtzoff 1958-8-31 3952 Sonoma Atascadero Creek Marsh. Comment
  UC1301167  Plantago erecta Helen K. Sharsmith 1963-5-25 5495 Sonoma just n Bodega head; San Francisco Bay Region 7 Comment
  CHSC60118  Platystemon californicus E. L. Knight 1988-4-1 5 Sonoma Ca 0.25 m ene of southernmost point of Bodega Head and 100 ft n of Pacific Ocean. 15 Comment
  UC118467  Platystemon californicus Alice Eastwood Apr. 1901 Sonoma Bodega Comment
  CAS-BOT-BC92126  Platystemon californicus George H. Mallory 1920-3-29 s.n. Sonoma East side of Rincon Valley 6 miles from Santa Rosa. Comment
  UC725594  Plectritis brachystemon A. A. Heller 1938-5-14 15088 Sonoma just e of Bodega Bay (at Fort Ross); Fort Ross Comment
  UCD55073  Plectritis ciliosa Ellen Dean; Tammie Beyerl 2006-4-28 3017 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  SEINET12333745  Plectritis ciliosa H. K. Wagnon 1989-1 1846 Sonoma Spring Lake Park & environs, adjacent to Montgomery Drive 67 Comment
  UC1533103  Pleuropogon californicus Rocky Thompson 1975-4-14 Sonoma ca 0.5 mi s, on Todd Rd Jct Todd Rd and Llano Rd Comment
  UCD90157  Pleuropogon californicus G. F. Hrusa 1996-3-29 12739 Sonoma Napa Valley bottom, immediately S of Tubbs Lane, approximately 2 m. NW of Calistoga. 110 Comment
  UCR119120  Pleuropogon californicus Beecher Crampton 1955-4-5 2418 Sonoma Santa Rosa Area, 3 miles northwest of Cotati, Laguna de Santa Rosa, Llano Road 91 Comment
  RSA337037  Pleuropogon californicus var. californicus Edward Lee 1934-4-30 753 Sonoma 1 mile west of 2 Rock junction. Comment
  CAS-BOT-BC260981  Pleuropogon californicus var. californicus David L. Morgan 1961-4-25 8 Sonoma Low wet field near Stemple Creek, NW angle of the junction of Pepper Road wihich runs east to west and Meacham Road coming down from the north, 3 mi. sw. of Cotati Comment
  SEINET10611506  Pleuropogon californicus var. californicus Edward Lee 1934-4-30 Lee 753 Sonoma 1 mile west of 2 Rock junction. Comment
  HREC248 Image available Pleuropogon hooverianus Chuck Williams 1998-5-21 2162 Sonoma Hopland Field Station: 4100 Pressley Rd. Comment
  SEINET10590027  Poa A. Arthur Heller 1902-5-29 Heller 5628 Sonoma Near the summit of Mt. Hood. Comment
  CAS-BOT-BC255603  Poa annua Peter Rubtzoff 1960-5-20 4399 Sonoma Laguna de Santa Rosa E of Graton, between Occidental and Guerneville roads Comment
  RSA73959  Poa annua Milo S. Baker 1952-4-20 12397 Sonoma East side of Hwy 12, ca. 0.25 mi N. of Caliente Comment
  UCD91043  Poa douglasii Freed W. Hoffman 1944-7-2 1983 Sonoma near entrance to Bodega Bay. Comment
  CAS-BOT-BC254551  Poa douglasii Catherine Best 1981-4-4 s.n. Sonoma On S side of mouth of the Russian River Comment
  UC729987  Poa howellii Leo F. Koch 1940-4-22 829 Sonoma roadside near Little Sulfur Creek; Sulfur Spring Canyon Comment
  CAS-BOT-BC256036  Poa pratensis Peter Rubtzoff 1963-6-5 5153 Sonoma Brooks Gulch Marsh Comment
  JEPS71284  Poa secunda subsp. secunda Virginia Bufford Jun 1932 572 Sonoma near Santa Rosa Comment
  UC1023577  Poa unilateralis Virginia Bufford 1935-5-19 55 Sonoma Portuguese Beach Comment
  UC1023578  Poa unilateralis Virginia Bufford 1936-5-1 158 Sonoma Larkspur Rock Bodega Canyon Comment
  UC463110  Poa unilateralis Milo S. Baker 1931-4-18 5390 Sonoma Bodega Bay Comment
  UCD84289  Pogogyne douglasii Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UC1085297  Polemonium carneum J. Ewan 1935-5-13 9207 Sonoma 2 mi w Bodega (Bodega Bay road); w of Bodega, Bodega Bay road Comment
  RSA92948  Polycarpon tetraphyllum Milo S. Baker, H. K. Wagnon 1954-7-1 12960 Sonoma 2nd Street in front of Hughes Garage, Santa Rosa. 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
  RSA396196  Polygala californica F. H. Utech, Walter, Irja Knight 1984-4-18 84 -162 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane. 146 Comment
  SD88499  Polygala californica Darley F. Howe 1972-6-27 Sonoma Trail above Duncan Mills Pond Comment
  UCD109700  Polygala californica K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  SEINET12205239  Polygala californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -088 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 244 Comment
  SEINET5501531 Image available Polygala californica Sally Walker 1981-5-13 s.n. Sonoma 2 mi E of Occidental Comment
  UCD148369  Polygonum aviculare subsp. depressum Peter Rubtzoff 1955-8-7 2034 Sonoma Guerneville Marsh. Comment
  CDA2792  Polygonum cuspidatum S. Bradbury 1969-5-7 Sonoma On College Avenue between freeway & Cleveland, Santa Rosa. 0 Comment
  RSA94327  Polygonum hydropiperoides Peter Rubtzoff 1951-7-1 349 Sonoma Margin of Creek at Hwy 12, SE of Forestville Comment
  SEINET11935784  Polygonum marinense P. G. Conners 1991-1 Sonoma Bodega Marine Reserve salt marsh Comment
  CAS-BOT-BC72012  Polypodium californicum J. W. Congdon s.n. Sonoma Santa Rosa Comment
  UCD136868  Polypodium glycyrrhiza Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 57 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Comment
  UCSB8310  Polypodium scouleri Kamb, Peter 1950-6-17 Sonoma Larkspur Rock: south side of Chenev Gulch 2.9 miles west of fork in road to Bodega and Valley Ford 30 Comment
  CAS-BOT-BC311839  Polypogon Peter Rubtzoff 1986-9-28 9743 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC331490  Polypogon Peter Rubtzoff 1973-9-8 7303 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC233000  Polypogon australis Peter Rubtzoff 1962-8-22 5054 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC233196  Polypogon interruptus Peter Rubtzoff 1955-9-10 2142 Sonoma Vacation Creek, near Guerneville, Russian River bottom Comment
  RSA129381  Polypogon interruptus H. S. Yates 1937-6-6 6584 Sonoma 3 miles east of Jenner. 61 Comment
  UC50626  Polypogon interruptus J. Burtt Davy 1896-7-24 Sonoma along the Russian River below Guerneville; along the Russian River Comment
  UC971701  Polypogon interruptus Leo Koch 1940-6-5 1012 Sonoma along Highway 101, three mi n Santa Rosa (near pond in hills behind Fountaingrove Vineyard); hills behind Fountaingrove Vineyard Comment
  UCR248938  Polypogon interruptus Peter Rubtzoff 1973-7-24 7194 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC237396  Polypogon monspeliensis Walter Knight; Irja Knight 1963-8-13 276 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC237404  Polypogon monspeliensis Peter Rubtzoff 1951-8-19 642 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh Comment
  CAS-BOT-BC237405  Polypogon monspeliensis Peter Rubtzoff 1960-10-29 4574 Sonoma Bodega Harbor Marsh Comment
  POM206736  Polypogon monspeliensis A. A. Heller 1902-6-7 5652 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  SEINET8465033 Image available Polypogon monspeliensis G. K Helmkamp, E. A. Helmkamp 2010-6-4 16224 Sonoma North Coast Ranges; Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  UCR248904  Polypogon monspeliensis Peter Rubtzoff 1973-9-4 7293 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  CAS-BOT-BC237402  Polypogon monspeliensis David L. Morgan 1956-7-15 s.n. Sonoma At junction of Bloomfield Road and Petaluma - Valley Ford Road Comment
  SEINET10828403  Polypogon monspeliensis A. Arthur Heller 1902-6-7 Heller 5652 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  UCR248739  Polypogon viridis Peter Rubtzoff, Nancy Harrison 1974-9-7 7879 Sonoma Hinebaugh Creek in Rhonert Park, in creek bed east of Commerce Blvd. crossing 30 Comment
  CAS-BOT-BC72168  Polystichum californicum Walter Knight; Irja Knight; Dr. Stephen W. Edwards 1986-8-17 5509 Sonoma 2.75 mi from end of Mill Creek Road Comment
  SEINET11719960  Polystichum dudleyi Unknown 1986-1 60589 Sonoma W of Healdsburg, Palmer Creek (tributary of Mill Creek), Palmer Creek Rd 213 Comment
  CAS-BOT-BC102668  Populus fremontii Peter Rubtzoff 1973-10-10 7335 Sonoma Forestville Marsh area, field ca. 25 yards from creek draining the Forestville Marsh Comment
  RSA262242  Populus fremontii Peter Rubtzoff 1973-10-10 7335 Sonoma Forestville Marsh area. Ca. 25 yards from creek draining the Forestville Marsh. Comment
  CAS-BOT-BC445294  Portulaca oleracea Peter Rubtzoff 1956-9-16 2931 Sonoma Russian River. Vacation Beach near Guerneville. Comment
  CAS-BOT-BC445292  Portulaca oleracea Peter Rubtzoff 1959-8-30 4244 Sonoma Drake's Beach on Russian River near Guerneville. Comment
  CAS-BOT-BC445295  Portulaca oleracea Peter Rubtzoff 1965-8-22 5610 Sonoma Russian River, Forest Hills 5.5 mi east of Guerneville. Comment
  RSA800842  Potamogeton foliosus Peter Rubtzoff 1971-9-1 6667 Sonoma SPring Creek Reservoir area, east of Santa Rosa Comment
  POM118993  Potamogeton illinoensis Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  CAS-BOT-BC272847  Potamogeton nodosus Peter Rubtzoff 1970-8-18 6312 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC272852  Potamogeton nodosus Peter Rubtzoff 1964-7-14 5397 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC454023  Potamogeton pectinatus Peter Rubtzoff 1970-8-5 6296 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC258907  Potamogeton pusillus Peter Rubtzoff 1961-7-22 4669 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC141954  Potentilla anserina subsp. pacifica Peter Rubtzoff 1955-8-20 2066 Sonoma Bodega Harbor Marsh - Sonoma County Marshes Comment
  UCD113695  Potentilla anserina subsp. pacifica Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 097 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC141947  Potentilla anserina subsp. pacifica Peter Rubtzoff 1961-5-6 4675 Sonoma Americano Creek 1/2 mi. east of Valley Ford - Sonoma County Marshes Comment
  CAS-BOT-BC141952  Potentilla anserina subsp. pacifica Peter Rubtzoff 1954-8-9 1659 Sonoma Bodega Head Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141955  Potentilla anserina subsp. pacifica Peter Rubtzoff 1959-6-13 4127 Sonoma Willow Creek Marsh - Sonoma County Marshes Comment
  UC1288500  Prunella Andrew P. Nelson 1960-1 646 -9 Sonoma Pitkin Marsh Comment
  JEPS23732  Prunella vulgaris var. lanceolata Hilda W. Grinnell 1933-7-21 Sonoma Bodega Bay Comment
  UC495538  Prunella vulgaris var. lanceolata Merle Randall 1930-6-10 Sonoma Jenner to Fort Ross; Jenner to Fort Ross Comment
  UC1288499  Prunella vulgaris var. vulgaris Andrew P. Nelson 1960-8-3 646 A Sonoma Pitkin Marsh Comment
  CAS-BOT-BC159902  Prunus emarginata T. E. Rawlins 1942-9-1 s.n. Sonoma Fort Ross Comment
  CAS-BOT-BC356926  Pseudognaphalium californicum G. DeNevers 1981-6-15 1556 Sonoma Pepperwood Ranch. Along road from Bald Hills to Franz Valley Creek Comment
  CAS-BOT-BC361621  Pseudognaphalium stramineum John H. Thomas 1976-6-17 18348 Sonoma Near northern end of Sea Ranch, northwestern part of Sonoma County, about 4 miles south of Gualala Comment
  OBI21026  Pseudotsuga menziesii Dave Morse 1972-7-29 1 Sonoma 1 mi NE of Cloverdale on Hwy 128 91 Comment
  CAS-BOT-BC173846  Psilocarphus Peter Rubtzoff; Nancy Harrison 1974-5-26 7480 Sonoma Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  CAS-BOT-BC176173  Psilocarphus Peter Rubtzoff 1970-5-16 6229 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC157682  Pteridium Peter Rubtzoff 1974-6-2 7528 Sonoma Upper Green Valley Marsh area. Comment
  SEINET10479891  Pterostegia drymarioides A. Arthur Heller, H. E. Brown 1902-5-27 Heller s.n. 1902 Sonoma Bodega Bay on Sand Hills. From type station. Comment
  UCR222561  Pyracantha fortuneana George K. Helmkamp, E. A. Helmkamp 2010-6-5 16254 Sonoma North Coast Ranges, junction of Martinelli Road and River Road, 4.65 air mi. due east of Guerneville 9 Comment
  CAS-BOT-BC466309  Pyrola picta Greg de Nevers 1991-7-9 9756 Sonoma Pepperwood Natural Reserve, 3450 Franz Valley Rd. 475 Comment
  CAS-BOT-BC36523  Quercus James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  CDA16004  Quercus X chasei G. F. Hrusa, R. Gross 2000-7-26 15684 Sonoma North Coast Biodiversity Arena; Foote Ranch at NE base of Mt. St. Helena. Comment
  RSA34661  Quercus X ganderi G. Ledyard Stebbins 1943-6-18 3364 Sonoma 2.5 miles N of Cotati; on road to Sebastopol. Comment
  UC424768  Quercus X morehus Milo S. Baker Jun 1929 3570 b Sonoma near Vine Hill School House Comment
  UC424815  Quercus X morehus unknown 1930-3-1 3880 Sonoma Vine Hill Region, on <?>rei Ranch Vine Hill Region Comment
  CAS-BOT-BC104409  Quercus X subconvexa G. DeNevers 1981-9-12 1834 Sonoma Pepperwood Ranch, on S slope of the hill above the Betchel Cabin Comment
  CAS-BOT-BC61637  Quercus agrifolia Peter Rubtzoff 1951-9-15 746 Sonoma Pitkin marsh, near Forestville. Western branch of the Upper Marsh Comment
  RSA786872  Quercus agrifolia Carrie A. Herd 1982-3-14 21 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  UC503094  Quercus agrifolia Joseph P. Tracy 1930-11-30 9271 Sonoma creek below Knights Valley; North Coast Ranges 152 Comment
  CHSC80756  Quercus chrysolepis Earl L. Core 1952-7-5 Sonoma Mt. St. Helena. Comment
  UC478891  Quercus chrysolepis Marcus E. Jones, A. M. 1931-8-3 28846 Sonoma Cloverdale Comment
  CAS-BOT-BC79566  Quercus dumosa Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5388 Sonoma Pine Mt. Road Comment
  CDA21883  Quercus durata D. G. Kelch 2006-10-4 6 .499 Sonoma Along Cavedale Road about 5 KM E of Route 12. Comment
  UCD101295  Quercus durata Daniel Sanchez-Mata; Tomas Santamaria 2008-7-13 s.n. Sonoma Healdsburg. Pine Flat Road from Road 128. Red Hill. Audubon Sanctuary. 970 Comment
  UCD45959  Quercus durata var. durata Frederica Bowcutt 1994-5-1 1752 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trail about 1/8 mile from trail head on Adobe Canyon Road. Elev. 700 ft. 213 Comment
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Jun 21 2007
  RSA0089560  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
  UCD55066  Quercus garryana Ellen Dean; Tammie Beyerl 2006-4-28 3010 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  RSA169311  Quercus garryana var. garryana L. S. Rose 1964-8-26 64066 Sonoma 6 miles NE of Penngrove. 366 Comment
  CAS-BOT-BC105488  Quercus kelloggii Margot Lowry 1983-5-1 26 Sonoma ca 1 mile from top of Sonoma Mtn Rd on Sonoma Mtn 500 Comment
  SEINET12031933  Quercus kelloggii W. Knight, Knight, I.; Knight, T. 1985-1 6350 Sonoma between Jimtown and geothermal area Comment
  UCD46678  Quercus kelloggii Lewis S. Rose 1964-6-27 64058 Sonoma 2 miles n of Sonoma hill slopes. 274 Comment
  CAS-BOT-BC62848  Quercus lobata Mary P. Wells 1984-6-18 356 Sonoma Friends House grounds, Rincon Valley, Santa Rosa Comment
  CDA23789  Quercus lobata D. G. Kelch 2006-10-4 06 .497-B Sonoma Entrance to Bouverie Reserve. 2 km N of Agua Caliente along Rte 12. Comment
  UCD123944  Ranunculus californicus Caitlin Lewis; William Mutch 1993-4-17 6 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain. 1 mile. Near visitor center. 365 Comment
  UCD95979  Ranunculus californicus Michael A. Vincent; Ethan H. Freid, Alex Reich 1998-4-8 8176 Sonoma Bodega Bay, University of California (Davis) Bodega marine Reserve, off Bodega Road, Bodega Head. Comment
  CAS-BOT-BC83410  Ranunculus lobbii Peter Rubtzoff 1961-5-24 4609 Sonoma Upper Stemple Creek Marsh. Comment
  POM269865  Ranunculus lobbii Carl V. Meyer 1929-3-24 s.n. Sonoma Santa Rosa Comment
  RSA534583  Ranunculus lobbii Peter Rubtzoff 1972-3-31 6721 Sonoma Todd Road 1.4 miles from Hwy 116 and 0.6 mile from Llano Road Comment
  UCR72032  Ranunculus lobbii Peter Rubtzoff 1962-4-11 4796 Sonoma Americano Creek area just south of Bloomfield. Open pond near Petaluma(?)-Valley Ford Road Comment
  RSA534585  Ranunculus muricatus Peter Rubtzoff 1969-5-11 6033 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  SEINET7067254  Ranunculus occidentalis A. G. Vestal 1947-5-13 s.n. Sonoma About 0.6 miles north of Annapolis and towards Bushy Ridge. Coordinate datum: NAD27. Comment
  SD88405  Ranunculus occidentalis var. occidentalis Darley F. Howe 1972-5-1 Sonoma Duncan Point Comment
  RSA281534  Ranunculus orthorhynchus var. bloomeri Michener, Bioletti 1893-04 s.n. Sonoma Kenwood Comment
  RSA155471  Ranunculus orthorhynchus var. platyphyllus L. S. Rose 1962-6-1 62063 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  UCD150857  Ranunculus pusillus Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  RSA523187  Raphanus sativus R. R. Halse 1987-2-22 3376 Sonoma Along State Hwy 121, 0.4 mile E of its junction with State Hwy 116 at Big Bend in the Sonoma Valley. 6 Comment
  UCR179424  Rhagadiolus stellatus Caitlin Lewis, William Mutch 1993-4-17 s.n. Sonoma Sugarloaf Ridge State Park, c. 40 air mi N of San Francisco, 11 air mi east of Santa Rosa, and 2.5 mi NE of Kenwood. Adobe Canyon N of Sugarloaf Ridge and south of Red Mountain, near visitor center, along Sonoma Creek 366 Comment
  RSA181374  Rhamnus californica James I. McMurphy 1909-5-29 s.n. Sonoma Grade, ridge S of the Geysers. Comment
  UC1121814  Rhamnus crocea E. Armstrong 1934-3-26 927 Sonoma 2 mi nw Camp Meeker; Sebastopol Quad. 91 Comment
  CAS-BOT-BC59447  Rhamnus ilicifolia Milo S. Baker 1927-11-5 2502 a Sonoma 2-3 mi. west of Skagg's along Hwy Comment
  CAS-BOT-BC53742  Rhododendron columbianum Peter Rubtzoff 1951-6-2 106 Sonoma Pitkin Marsh, near Forestville - Western branch of the Upper Marsh Comment
  CAS-BOT-BC56600  Rhododendron macrophyllum Mary P. Wells 1984-8-9 450 Sonoma Forest off north end of Deerfield Road, The Sea Ranch Comment
  UCR55867  Rhododendron macrophyllum Fran Sibel 1965-4-30 350 Sonoma North Coast, Gualala, off CA Hwy 1 152 Comment
  SBBG5547  Rhododendron neoglandulosum J. M. Tucker 1958-5-24 3387 Sonoma NW end of Pitkin Marsh, ca. 1.25 mi ESE of Forestville Comment
  CDA32768  Rhododendron occidentale var. occidentale G. F. Hrusa 1990-6-2 8065 Sonoma Outer North Coast Ranges; Skagg's Springs road from Stewart's Point, approx. 1 mile inland from Hwy 1. 91 Comment
  CDA32769  Rhododendron occidentale var. occidentale G. F. Hrusa 1990-6-2 8062 Sonoma Outer North Coast Ranges; Skagg's Springs road from Stewart's Point, approx. 1 mile inland from Hwy 1. 91 Comment
  POM131901  Rhododendron occidentale var. occidentale A. A. Heller 1902-6-24 5749 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC111866  Rhynchospora alba John Thomas Howell; Hans Leschke 1945-5-30 20896 Sonoma Pitkin Marsh Comment
  RSA90512  Rhynchospora californica Milo S. Baker 1945-7-18 11112 Sonoma Pitkin Marsh Comment
  JEPS117112  Rhynchospora capillacea Peter Warner 2010-7-29 175 Sonoma Lower Pitkin Marsh, N of primary drainage channel, ~ 350 m, N 44 deg.E from Hwy. 116 gate, in quaking bog (fen) area. Comment
  CAS-BOT-BC111901  Rhynchospora capitellata Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  UC710415  Rhynchospora capitellata John Thomas Howell 1936-7-26 12677 Sonoma 5 mi n Sebastopol; Pitkin Marsh Comment
  CAS-BOT-BC111931  Rhynchospora recognita John Thomas Howell 1945-7-18 21324 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
  POM142003  Ribes californicum A. A. Heller 1903-4-24 6364 Sonoma Woods near Cazadero. Comment
  CAS-BOT-BC93055  Ribes californicum var. californicum A. A. Heller 1903-4-24 6613 Sonoma Woods near Cazadero. Comment
  CAS-BOT-BC93059  Ribes californicum var. californicum Greg de Nevers 1987-2-10 8126 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 400 Comment
  UC75437  Ribes menziesii Milo S. Baker 1899-6-26 Sonoma near Russian River (Coast Road) Comment
  UCD151117  Ribes menziesii James A. Neilson Jr.; Teresa A. Sholars 1974-6-26 3272 Sonoma Mayacmas Mountains, ca. 3 miles west of Glenbrook, vicinity of Caldwell Pines. (Elevation estimated by label maker using Google Earth.) 716 Comment
  UC75445  Ribes sanguineum var. glutinosum Milo S. Baker 1899-6-26 Sonoma near Russian River (Coast Road) Comment
  SEINET5660524 Image available Ribes victoris Paul M. McKenzie, Lowell E. Urbatsch; Annette Parker; Karla Wilzer 1971-1 176 Sonoma On North slope near construction site; ca. 8 miles west of Geyserville on Stewarts Point--Skaggs Springs Roads.; Stewarts Point Comment
  UC11671  Ribes victoris F. T. Bioletti Mar 1891 Sonoma Watson's Canyon Comment
  CAS-BOT-BC362936  Rigiopappus leptocladus James McMurphy 1909-5-29 s.n. Sonoma Near the Geysers Comment
  UC117540  Rorippa palustris Michener and Bioletti 1892-5-15 Sonoma S. L. G. Comment
  CAS-BOT-BC152671  Rosa californica Peter H. Raven 1955-8-27 8758 Sonoma 3.2 mi. n. of Sears Point on State Route 37 Comment
  UC467687  Rosa californica Milo S. Baker 1898-6-1 595 Sonoma Santa Rosa Cemetery Comment
  CAS-BOT-BC152677  Rosa californica F. G. Krauss 1893-10-16 s.n. Sonoma Petaluma Valley Comment
  CDA3957  Rosa eglanteria T. C. Fuller 1966-6-2 14851 Sonoma South side of road to Valley Ford, 2 miles west of Two Rock. 0 Comment
  UC1128557  Rosa gymnocarpa A. Lewis 1932-5-13 74 Sonoma Calabasas Creek Napa Quadrangle 457 Comment
  UCR55866  Rosa gymnocarpa Fran Sibel 1965-5-28 326 Sonoma North Coast, along Gualala River off Hwy 1 and east toward Anapolis 152 Comment
  CAS-BOT-BC146776  Rosa gymnocarpa R. D. Stone 1983-6-14 537 Sonoma In headwaters of Squaw Cr. drainage ca. 1.2 mi. NW of Geyser Rock 975 Comment
  CAS-BOT-BC148196  Rosa rubiginosa Mary P. Wells 1985-9-13 653 Sonoma Field on ridge, east of Timber Ridge Road and north of Spring Meadow Road. The Sea Ranch Comment
  CAS-BOT-BC262827  Rubus Peter Rubtzoff 1964-6-3 5346 Sonoma Bodega Bay Marsh. Comment
  RSA800403  Rubus Peter Rubtzoff 1964-6-3 800403 Sonoma Bodega Bay Marsh. Comment
  UCD113551  Rubus armeniacus Frederica Bowcutt 1994-5-21 1836 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. On side of hillside trail past junction with Digger Pine Trail approximately 1 mile. 411 Comment
  RSA800355  Rubus spectabilis Peter Rubtzoff 1959-6-6 4089 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC157174  Rubus ursinus Alice Eastwood 1915-6-29 4803 Sonoma Bodega Point Comment
  CAS-BOT-BC157175  Rubus ursinus Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC157172  Rubus ursinus Alice S. M. McKenzie 1981-2-12 15 A Sonoma Calif. State Hwy. 1, marker 44.55 Comment
  CAS-BOT-BC173544  Rumex Peter Rubtzoff 1964-6-24 5387 Sonoma Coleman Marsh. Salmon Creek. Comment
  CAS-BOT-BC166796  Rumex Peter Rubtzoff 1962-8-22 5039 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC166904  Rumex Peter Rubtzoff 1962-7-28 5007 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC173526  Rumex Peter Rubtzoff 1962-8-22 5039 Sonoma Bodega Bay Marsh Comment
  JEPS79429  Rumex acetosella Larissa Novak Apr 1980 2100 Sonoma Finley and Wright Field Old Naval Air Station Comment
  CAS-BOT-BC422232  Rumex acetosella Peter Rubtzoff 1952-3-22 871 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC422234  Rumex acetosella Walter Knight; Irja Knight 1963-8-13 410 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC422235  Rumex acetosella J. D. Randall 1907-7-12 297 Sonoma Sebastopol Comment
  SEINET11933907  Rumex acetosella F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -174 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road, between Jimtown & Mercuryville 485 Comment
  CAS-BOT-BC421853  Rumex conglomeratus A. A. Heller 1902-6-7 5660 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC421856  Rumex conglomeratus John Thomas Howell 1938-7-3 13962 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC173642  Rumex obtusifolius Peter Rubtzoff 1962-9-9 s.n. Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC166935  Rumex pulcher Peter Rubtzoff 1961-8-22 4689 Sonoma Fife Creek Marsh. Comment
  UCD158722  Rumex salicifolius James A. Neilson Jr. 1974-7-31 2832 Sonoma Mayacmas Mountains. North of Little Geysers well # 2. 731 Comment
  RSA698487  Rumex salicifolius var. montigenitus J. R. Bruff 1936-07 s.n. Sonoma Bodega Bay. Comment
  RSA698488  Rumex salicifolius var. montigenitus J. R. Bruff 1936-07 s.n. Sonoma Bodega Bay. Comment
  JEPS48949  Rumex salicifolius var. transitorius Hilda W. Grinnell 1933-7-21 Sonoma Bodega Bay Comment
  POM252713  Rupertia physodes A. A. Heller 1902-6-23 5744 Sonoma Petrified Forest Comment
  CAS-BOT-BC249312  Sagina Peter Rubtzoff 1960-5-18 4377 Sonoma Bodega Head Marsh. Comment
  UC905115  Sagina decumbens subsp. occidentalis Milo S. Baker 1947-4-25 11703 Sonoma e. of football field Santa Rosa Jr. College Comment
  CAS-BOT-BC445688  Sagittaria cuneata Peter Rubtzoff 1955-10-12 2167 Sonoma East Guernewood, near Guerneville. Comment
  UC935766  Sagittaria latifolia Malcolm A. Nobs and S. Galen Smith 1949-6-29 920 Sonoma on road to Sebastopol the Laguna marshy area w Santa Rosa; Laguna marshy area Comment
  CAS-BOT-BC445769  Sagittaria latifolia F. G. Krauss 1893-10-14 s.n. Sonoma County Road, Sonoma Valley Comment
  RSA155528  Sagittaria latifolia L. S. Rose 1960-9-14 60091 Sonoma Laguna de Santa Rosa, 2 miles east of Grafton 15 Comment
  CAS-BOT-BC290708  Salix Peter Rubtzoff 1974-4-6 7358 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC290711  Salix Peter Rubtzoff 1973-9-9 7326 Sonoma Kenwood Marsh. Comment
  RSA0018589  Salix Peter Rubtzoff, J. Eckenwalder 1974-4-6 7361 Sonoma Salmon Creek canyon 0.25 mi. south of Freestone. Comment
  RSA0037217  Salix Peter Rubtzoff 1971-9-1 6679 Sonoma Spring Creek Reservoir area. Comment
  CAS-BOT-BC126268  Salix X sepulcralis Peter Rubtzoff 1952-3-23 905 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC103081  Salix bonplandiana A. A. Heller 1902-4-18 5335 Sonoma Near Windsor on Russian River Comment
  RSA534550  Salix bonplandiana Peter Rubtzoff 1969-8-26 6160 Sonoma On River Road. 3 miles W of Fulton. Comment
  JEPS83009  Salix breweri Roger Raiche 1984-4-21 40112 Sonoma about 6 mi n Cazadero (headwaters of creek); Big Austin Creek, The Cedars 152 Comment
  SEINET10380777  Salix exigua A. A. Heller 1902-4-8 5224 Sonoma Bennet Valley, SE of Santa Rosa. Comment
  UC453083  Salix exigua var. hindsiana W. A. Setchell 1931-7-25 4 Sonoma bed of Russian R. at Bohemian Grove near Monte Rio Comment
  UC482048  Salix exigua var. hindsiana Ball, Bracelin, Parks and Parks 1931-4-21 38 Sonoma 25 km n.w. of Calistoga (Maacama Creek) Comment
  UC482326  Salix laevigata C. R. Ball and H. E. Parks 1931-2-17 22 Sonoma 1 mi s. Santa Rosa (Santa Rosa Creek); Santa Rosa Creek Comment
  UC66170  Salix laevigata A. A. Heller 1902-4-23 5348 Sonoma near Sonoma Sonoma Comment
  UC453095  Salix lasiandra subsp. lasiandra W. A. Setchell 1925-7-25 14 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  CAS-BOT-BC128053  Salix lasiandra var. lasiandra Peter Rubtzoff 1955-4-30 1800 Sonoma Sonoma County Marshes - Stony Point Marsh Comment
  SD37469  Salix lasiolepis Edith A. Purer 1932-7-24 4085 Sonoma Near Bodega Bay, sand dunes Comment
  UC453105  Salix lasiolepis W. A. Setchell 1931-7-31 20 Sonoma Bodega Bay Comment
  CAS-BOT-BC107349  Salix lasiolepis var. bigelovii Peter Rubtzoff 1962-5-11 4812 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road) Comment
  CAS-BOT-BC107353  Salix lasiolepis var. bigelovii Baker; Ball; Bracelin; Crum 1931-5-9 345 Sonoma About 2 km. east of Bodega Bay Comment
  CAS-BOT-BC107356  Salix lasiolepis var. bigelovii A. A. Heller 1902-3-28 5177 Sonoma Bodega Bay Comment
  RSA94335  Salix lucida Peter Rubtzoff 1952-3-23 890 Sonoma Lower part of the Upper Marsh, in open damp area. Comment
  POM219076  Salix melanopsis W. A. Setchell 1931-8-1 s.n. Sonoma Bohemian Grove. Near Monte Rio. Bed of Russian River. Comment
  UC482049  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  LA208907  Salix scouleriana W. A. Setchell; 1934-7-10 6 Sonoma Coast Hwy, N of Fort Ross Comment
  LA210148  Salix scouleriana W. A. Setchell; 1934-7-10 9 Sonoma Ridge Highway, above Fort Ross Comment
  SBBG57984  Salix scouleriana Baker, C. R. Ball, H. Bracelin, Crum 1931-5-9 342 Sonoma 2 km E of Occidental, on Occidental grade Comment
  UC482052  Salix scouleriana Baker, Ball, Bracelin, and Crum 1931-5-9 343 Sonoma 2 km. e. Occidental (on Occidental grade) Comment
  CAS-BOT-BC128946  Salix sitchensis Peter Rubtzoff 1962-9-9 5075 Sonoma Brooks Gulch Marsh Comment
  HSC20118  Salix sitchensis Theodore J. Crovello 1965-9-14 720 Sonoma Along Mayacama Creek, 75-100 yds. W of junction with bridge of Hwy. 128 Comment
  JEPS86742  Salix sitchensis Jack and Betty Guggolz 1990-6-22 1076 Sonoma ca. 12 km. e Healdsburg (next to Redwood Creek just above its confluence with Maacamas Creek); Ferrari-Carano Ranch 73 Comment
  UC1173578  Salix sitchensis Joseph P. Tracy 1935-8-18 14743 Sonoma w. of Knight's Valley (Mayacamas Creek); Mayacamas Creek 152 Comment
  UC482068  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 344 Sonoma 2 km. e. Bodega Bay (on Santa Rosa-Bodega Hwy., <Larkspur Rock>) Comment
  UC482069  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 344 Sonoma 2 km. e. Bodega Bay Comment
  UC482105  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 36 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  UC498692  Salix sitchensis Annetta Carter 1933-2-19 255 Sonoma 150 yds. from ocean beside creek Fort Ross 3 Comment
  UCD111890  Salix sitchensis Ball; Bracelin, Parks, and Parks 1931-4-21 35 Sonoma Maacama Creek, 25 km. northwest of Calistoga. Comment
  UCSC000171  Salix sitchensis H. S. Yates 1934-4-21 3778 Sonoma near Bodega - Sebastopol 61 Comment
  JEPS97554  Salvia sonomensis R. D. Stone 1985-3-8 652 Sonoma Near ridgetop W of Stuart Canyon Mt. Veeder (approx. 2.5 airmiles W of) Comment
  SEINET12330321  Salvia sonomensis W. Knight, Edwards, S. 1985-1 5187 Sonoma Ridge NW of summit of Kortum Canyon Road Comment
  UCD137223  Sambucus nigra subsp. caerulea Frederica Bowcutt 1994-5-21 1822 Sonoma About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa and 1.5 air miles NE of Kenwood. About 18 air miles northwest of Napa. Along meadow trail approximately 3/4 mile from trailhead. 396 Comment
  CAS-BOT-BC235077  Sambucus racemosa var. racemosa F. H. Utech; Walter Knight; Irja Knight 1984-4-17 84 -159 Sonoma Ca 5.0 mi E of Bridgehaven on Willow Creek Road 144 Comment
  JEPS102077  Sanguisorba minor subsp. muricata Dean Schlichting 2002-5-16 Sonoma Bohemian Grove 76 Comment
  JEPS77263  Sanicula bipinnatifida Robert M. Lloyd 1963-4-24 2400 Sonoma 16.5 mi from State Hwy (on road to Oakdale) 274 Comment
  UCD128015  Sanicula bipinnatifida Caitlin Lewis; William Mutch 1993-4-17 1 Sonoma About 40 air miles north of San Francisco, 11 air miles east of Santa Rosa and 2.5 air miles northeast of Kenwood. In Adobe Canyon north of Sugarloaf Ridge and south of Red Mountain 1 mile. Near visitor center. 365 Comment
  UC1348908  Sanicula crassicaulis Robert F. Thorne 1965-4-20 34325 Sonoma 2 1/2 mi n of Santa Rosa (and 1 mi n of Sonoma County Hospital, Parker Hill Road); Parker Hill Road 106 Comment
  UC353906  Sanicula laciniata Milo S. Baker 1927-3-27 2031 a Sonoma above House at Maple Glen Comment
  CAS-BOT-BC361296  Sarcococca Greg de Nevers 1997-5-5 10990 Sonoma Santa Rosa, Kaiser hospital, Mendocino Avenue 30 Comment
  CAS-BOT-BC436873  Saxifraga Alice Eastwood 1917-5-13 n.s. Sonoma Between Bodega and the bay Comment
  RSA17703  Saxifraga californica Elmer I. Applegate 1934-3-25 8843 Sonoma Sausal Creek on road to Pine Flat. W slope of Mayacama Mountains. Comment
  UCD161371  Saxifraga mertensiana James A. Neilson Jr. 1976-6-18 3986 Sonoma Mayacmas Mountains. Junction of Squaw Creek and Big Sulphur Creek. (Elevation and exact location estimated by label maker.) 731 Comment
  CAS-BOT-BC441179  Saxifraga mertensiana Milo S. Baker; et al 1926-4-14 179 a Sonoma Cliff near Yellow Larkspur Comment
  UCD65651  Schedonorus arundinaceus Mary M. Hektner; Cathy Hendel 1974-7-24 164 A Sonoma Beside the Kirkwood house, Unit 24 Owners' Map, Sea Ranch, near State Hwy. 1. Comment
  RSA0022393  Schedonorus arundinaceus Peter Rubtzoff 1960-6-9 4468 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  CAS-BOT-BC111397  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1951-7-7 383 Sonoma Eastern branch of the Upper Marsh in the open on damp ground. Comment
  CAS-BOT-BC111439  Schoenoplectus acutus var. occidentalis Adolph Daniel Edward Elmer 1903-7-1 4940 Sonoma Vallejo Comment
  CAS-BOT-BC111530  Schoenoplectus americanus Peter Rubtzoff 1970-8-18 6323 Sonoma Eldridge. In and at the edge aof shallow water of streamlet 0.7 mi NE of Arnold drive. Comment
  CAS-BOT-BC111630  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4580 Sonoma Bodega Harbor Marsh; saline part. Comment
  CAS-BOT-BC111637  Schoenoplectus californicus Peter Rubtzoff 1970-8-5 6298 Sonoma 5 mi. north of Sears Point. Shallow water at the edge of a pond. Comment
  RSA0019148  Schoenoplectus maritimus Peter Rubtzoff 1954-7-26 1557 Sonoma Lower Salmon Creek Marsh. Comment
  SD134065  Schoenoplectus mucronatus Peter Rubtzoff, Nancy Harrison 1974-9-7 7872 Sonoma Hinebaugh Creek in Rohnert Park, open wet ground of creek bed west of Commerce Blvd. crossing. Comment
  CAS-BOT-BC111839  Schoenoplectus tabernaemontani Peter Rubtzoff 1986-9-28 9742 Sonoma Russian River at Forest Hills, 5.5 miles East of Guerneville. Comment
  SEINET11750538  Schoenoplectus tabernaemontani H. K. Wagnon 1988-1 1744 Sonoma Santa Rosa, Spring Lake Park, just S of Montgomery Dr 73 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-BC111116  Scirpus microcarpus Peter Rubtzoff 1955-8-20 2070 Sonoma Bodega Harbor Marsh. Open damp sandy ground bordering the marsh. Comment
  UC70382  Scoliopus bigelovii Milo S. Baker 1898-4-3 Sonoma near Guerneville Comment
  CAS-BOT-BC516414  Scoliopus bigelovii Alfaretta Wood No date on label. s.n. Sonoma Duncan's Mill Comment
  CAS-BOT-BC516415  Scoliopus bigelovii Peter Rubtzoff 1953-5-18 1407 Sonoma South of Guerneville, Neeley Hill area Comment
  SBBG1055  Scoliopus bigelovii H. and M. Dearing 1939-5-14 3347 Sonoma near Monte Rio Comment
  CAS-BOT-BC240033  Scribneria bolanderi Catherine Best 1985-4-5 1068 Sonoma Stoetz Lane about 3 miles northeast of Occidental Comment
  CAS-BOT-BC240036  Scribneria bolanderi John Thomas Howell 1965-3-25 41034 Sonoma 3 miles se. of Sonoma 76 Comment
  RSA73958  Scribneria bolanderi Milo S. Baker 1952-3-20 12396 Sonoma East side Highway 12, ca. 1/4 mile North of Caliente. Comment
  CAS-BOT-BC320498  Scrophularia californica Peter Rubtzoff 1964-5-20 5307 Sonoma Brooks Gulch Marsh. Comment
  UCD151191  Scutellaria californica James A. Neilson Jr. 1974-7-10 2846 Sonoma Mayacmas Mountains, west side of Cobb Mountain, along road to PG and E geothermal units 9 and 10 at the Geysers. (Elevation estimated using a topo map by label maker.) 960 Comment
  UCD160919  Scutellaria californica James A. Neilson Jr. 1975-7-8 3382 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  CAS-BOT-BC376321  Scutellaria tuberosa Greg de Nevers 1993-4-27 10411 B Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Rd. 400 Comment
  JEPS48027  Sedum spathulifolium W. L. Jepson 1923-6-28 10017 Sonoma Kenwood , Kenwood (Sonoma Canyon) 243 Comment
  CDA17204  Selaginella wallacei G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16203 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  RSA167465  Senecio flaccidus var. douglasii Joseph P. Tracy 1946-9-3 17652 Sonoma Russian River. Comment
  UC201784  Senecio glomeratus P. B. Kennedy 1914-10-1 Sonoma Del Mar Ranch Comment
  UCD148313  Senecio minimus Peter Rubtzoff 1951-8-25 668 Sonoma Forested hills southeast of Guerneville. Comment
  UC1299455  Senecio sylvaticus Freed W. Hoffman 1948-5-30 2680 Sonoma near Guerneville; North Coast Ranges, Poole Ridge Comment
  UCD18204  Senecio sylvaticus Joe Ditomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab, in sand dunes near housing facility. Comment
  CAS-BOT-BC80326  Sequoia sempervirens A. A. Heller 1906-3-16 5080 Sonoma Russian [river] River near Trenton Comment
  JEPS48268  Sequoia sempervirens W. L. Jepson 1903-10-4 2367 A Sonoma Eagle's Nest Camp Russian River Comment
  SEINET3876427  Sequoia sempervirens Ralph R. Wilson 1939-7-25 438 Sonoma Ft. Ross. 1/2 mile from ocean.; 0 Comment
  SEINET10827242  Setaria parviflora P. Rubtzoff 1971-9-2 Rubtzoff 6685 Sonoma Todd Road near Stony Point Road. Dry roadside ditch, in the open. Comment
  CAS-BOT-BC240151  Setaria pumila David L. Morgan 1958-8-6 s.n. Sonoma Highway 101, Sonoma-Marin County Line Comment
  CHSC107301  Setaria pumila D. G. Kelch; Troy McGregor 2010-8-22 10 .337 Sonoma Geyser Peak Rd. In roadside ditch. 1646 Comment
  CAS-BOT-BC240168  Setaria verticillata Walter Knight; Irja Knight 1963-10-14 413 Sonoma Blomquist Ranch, Penngrove Comment
  RSA293430  Sidalcea diploscypha Reino Alava 1958-5-24 2060 Sonoma About 4 miles east of Occidental Comment
  RSA245528  Sidalcea malviflora Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1103 Sonoma Fort Ross State Park. Comment
  SJSU8470  Sidalcea malviflora T. A. Wayne III 1962-4-21 72 Sonoma 3 mi N of Santa Rosa through Bennett Valley Comment
  SD56817  Sidalcea malviflora subsp. laciniata Darley F. Howe 1963-5-22 3522 Sonoma 10 miles west of Santa Rosa, on Vine Hill Road. 152 Comment
  UCD116826  Sidalcea malviflora subsp. purpurea Chris Bowen 1974-5-19 134 Sonoma near Pacific Ranch, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC903378  Sidalcea malviflora subsp. purpurea Roxana S. Ferris 1950-5-7 12205 Sonoma State Highway 1 at northern Sonoma County line Comment
  CAS-BOT-BC213167  Sidalcea oregana subsp. valida Milo S. Baker 1932-8-15 6013 Sonoma Marshy road ditch just W. of Kenwood. Comment
  RSA87253  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 s.n. Sonoma Kenwood Marsh about 1/4 mile west of Kenwood Comment
  RSA0020348  Sidalcea oregana subsp. valida Peter Rubtzoff 1979-7-15 9292 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 mi west of its junction with Franz Valley Road. Comment
  JEPS50892  Silene californica M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 235 Sonoma near Guerneville; Russian River, near Guerneville Comment
  UCD98647  Silene gallica Mary M. Hektner; Sue Dakuzaku 1974-6-3 14 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC392500  Silene gallica John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53953 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngove on the west slope of Sonoma Mountain. 457 Comment
  NY342628  Silene grandis A. Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  NY342629  Silene grandis A. Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC389230  Silene laciniata subsp. californica Peter Rubtzoff 1952-6-10 1225 Sonoma Top of Fitch Mtn., near Healdsburg 304 Comment
  SBBG71623  Silene laciniata subsp. californica L. Rowntree 1931-7-15 Sonoma Stewart Point to Skaggs Springs Comment
  UCD98965  Silene laciniata subsp. californica Frederica Bowcutt 1994-6-12 1858 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air milse N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  CAS-BOT-BC75372  Sisymbrium officinale Elizabeth McClintock 1969-4-11 s.n. Sonoma Property of David Pleydell-Bouverie, west of Glen Ellen. Comment
  JEPS108631  Sisyrinchium bellum W. Roderick Sonoma NW of Glen Ellen Comment
  SEINET12048679  Sisyrinchium bellum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -085 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  UC3881  Smilacina stellata Maclean Sonoma banks near Geysers Comment
  CAS-BOT-BC164411  Solanum Peter Rubtzoff 1962-7-14 4991 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC166967  Solanum Peter Rubtzoff 1956-9-16 2930 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC164417  Solanum Peter Rubtzoff 1965-8-22 5612 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  NY821075  Solanum nodiflorum B. Anderson 1985-9-30 2832 Sonoma Sonoma Mountain Rd., just off Warm Springs Rd. 90 Comment
  RSA227216  Solanum umbelliferum Peter Rubtzoff 1960-5-16 4358 Sonoma Duncans mills marsh. m thickets along streamlet in upper portion of the marsh. Comment
  CAS-BOT-BC344874  Solidago Peter Rubtzoff 1961-9-6 4745 Sonoma 2 miles northeast of Freestone. Comment
  CAS-BOT-BC344875  Solidago Peter Rubtzoff 1961-9-20 4748 Sonoma Americano Creek, 0.9 miles west of Bloomfield. Open, damp ground. 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
  UCD148422  Sonchus Peter Rubtzoff 1960-5-18 4391 Sonoma Bodega Head Marsh. 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
  UCD134042  Sonchus oleraceus Frederica Bowcutt 1984-6-23 435 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. North of Gerstle Cove approx. 1/4 mile. W of Highway 1. 15 Comment
  UCD136184  Sonchus oleraceus Mary M. Hektner 1974-7-25 167 Sonoma Galleon's Reach, Unit 3 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UCD167343  Sorghum halepense James Neilson 1981-5-28 4034 Sonoma Mayacmas Mountains.1/2 mi. west Big Geysers. (Location information obtained from Neilson 4033 indicates that the location is at lookout point along road fill over culvert 1/2 mi. west Big Geysers. Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA20121  Sparganium eurycarpum Roxana S. Ferris 1937-8-18 9373 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  UCD37286  Spartina foliosa Beecher Crampton 1958-12-30 5140 Sonoma Sonoma County, 10 miles west of city of Vallejo, along Sonoma Creek. 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
  CAS-BOT-BC390045  Spergula arvensis Peter Rubtzoff 1952-3-23 880 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  CAS-BOT-BC390051  Spergula arvensis Walter Knight; Irja Knight 1963-12-25 432 Sonoma Magnolia & Marshall Aves. Comment
  RSA800207  Spergula arvensis Peter Rubtzoff 1962-5-25 4837 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  CAS-BOT-BC390973  Spergularia marina Alice Eastwood 1921-5-8 10453 Sonoma Petaluma Comment
  CAS-BOT-BC390976  Spergularia marina G. B. Rossbach; R. P. Rossbach 1938-5-27 630 Sonoma Bodega Bay Comment
  UCD99276  Spergularia rubra Frederica Bowcutt 1996-3-24 2076 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile south of Red Mountian. Trail head for Lower Bald Mountain Trail at group campsite just west of Sonoma Creek. 381 Comment
  CAS-BOT-BC390994  Spergularia villosa Walter Knight; Irja Knight 1984-8-27 5085 Sonoma Near Gilardi Resort near Lakeville, along Petaluma River Comment
  RSA0025194  Spiranthes Peter Rubtzoff 1969-6-27 6103 Sonoma Vernal pool, 6.5 mi northeast of Penngrove, on Lichan Road. 427 Comment
  CAS-BOT-BC534891  Spirodela polyrhiza Peter Rubtzoff 1951-9-2 704 Sonoma Northern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  JEPS128255  Stachys albens Roger Raiche 2000-9-2 151 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD160979  Stachys albens James A. Neilson Jr. 1975-7-8 3403 Sonoma Mayacmas Mountains. Socrates Mine. (Elevation and coordinates estimated by label maker.) 914 Comment
  UCD151096  Stachys rigida James A. Neilson Jr. 1973-6-3 2974 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
  CAS-BOT-BC251268  Stellaria Peter Rubtzoff 1967-8-22 5852 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  RSA0022424  Stellaria Peter Rubtzoff 1970-10-29 6418 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  UCR279647  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-7-9 1938 Sonoma North Coast Range, Forestville Marsh 71 Comment
  CAS-BOT-BC394957  Stellaria media Walter Knight; Irja Knight 1963-12-25 430 Sonoma Waste places - Marshall & Magnolia Aves., Petaluma Comment
  CAS-BOT-BC397767  Stellaria media G. H. Mallory 1920-3-29 s.n. Sonoma East side of Rincon Valley; 6 mi from Santa Rosa. Comment
  CAS-BOT-BC376286  Stephanomeria Greg de Nevers 1992-7-15 10219 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Valley Road 304 Comment
  JEPS128386  Stipa lepida Roger Raiche 2000-5-4 063 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC5658  Stipa setigera A. A. Heller 1902-4-9 5252 Sonoma 3 miles S of Healdsburg Comment
  CAS-BOT-BC61147  Streptanthus barbiger Milo S. Baker 1946-7-4 11519 Sonoma Harrison Grade, 2 miles northeast of Occidental. 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
  UCR67074  Streptanthus brachiatus subsp. brachiatus L. F. LaPre 1987-7-7 s.n. Sonoma Socrates Mine area, c. 9 mi. ENE of Geyserville. Serpentine barren c. 2 mi. west of Socrates Mine, at the 'Ivana Roland' transmission line tower 0.5 mi. south of Cadd Fire Trail. 854 Comment
  UCR71159  Streptanthus brachiatus subsp. brachiatus L. F. LaPre 1985-6-25 s.n. Sonoma Vicinity of Socrates Mine, west of Pine Flats Road. Comment
  CAS-BOT-BC87231  Streptanthus glandulosus subsp. glandulosus Mrs. C. A. Burlingame 1921-5-20 s.n. Sonoma Sonoma. Comment
  UC117404  Streptanthus glandulosus subsp. glandulosus Michener and Bioletti 1892-5-1 Sonoma Hood's Peak Comment
  CAS-BOT-BC87234  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-4 6178 Sonoma Santa Rosa Canyon, north of Mount Hood. Comment
  JEPS18148  Streptanthus glandulosus subsp. secundus Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5672 Sonoma headwaters of creek near Layton Chromite Mine (along and just above creek-bed); Big Austin Creek, vicinity of The Cedars 266 Comment
  JEPS86337  Streptanthus glandulosus subsp. secundus Jack and Betty Guggolz 1988-5-8 928 Sonoma outcrop on e side of Pine Flat Road 7.9 mi from Hwy 128 Comment
  UC10912  Streptanthus glandulosus subsp. secundus Edw. L. Greene 1894-6-17 Sonoma Mt. St. Helena Comment
  UC1292748  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-24 3361 Sonoma trail from Gray Creek to the Island North Coast Ranges (headwaters of East Austin Creek) Comment
  UC1492746  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-4-20 1703 Sonoma near Guerneville; North Coast Ranges, Del Preti Hill Comment
  UC1492785  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-6-4 2904 Sonoma along road at base of mt 2.2 mi from Healdsburg Park (e of Healdsburg); North Coast Ranges, Fitch Mountain Comment
  UC985968  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-5-22 Sonoma Gabe's Rock North Coast Ranges, Poole Ridge (1.0 mi nw of Guerneville) 213 Comment
  UC1292747  Streptanthus glandulosus subsp. secundus Freed W. Hoffman Apr 1948 2701 Sonoma near Guerneville (Gabes Rock); North Coast Ranges Comment
  UC985969  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-8-18 3208 Sonoma Cazadero Rd between Guerneville and Cazadero; North Coast Ranges Comment
  UCD167022  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
  JEPS2878 Image available Streptanthus tortuosus Michener and Bioletti 1893-5-30 Sonoma Hood's Peak; ; Hood's Peak, Sonoma Co. Comment
  CAS-BOT-BC540816  Symphoricarpos Peter Rubtzoff 1967-9-2 5877 Sonoma Freestone Marsh. Comment
  UC1010374  Symphoricarpos mollis Milo S. Baker Jun 1928 3168 b Sonoma e side Los Guilicos Valley (road to Youngman's) Comment
  UC353794  Symphoricarpos mollis Milo S. Baker Jun 1928 3168 a Sonoma e side Los Guilucos Valley (road to Youngman's) Comment
  SBBG54474  Symphyotrichum chilense L. R. Abrams -Aug-1907 Sonoma Sebastopol Comment
  CAS-BOT-BC99378  Symphyotrichum subspicatum Peter Rubtzoff 1958-8-31 3960 Sonoma Atascadero Creek Marsh Comment
  UC1735312  Symphyotrichum subspicatum J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-14 9329 Sonoma W of Glen Ellen, 6471 Sonoma Mountain Road Comment
  JEPS128335  Synthyris cordata Roger Raiche 2010-2-28 007 .10 Sonoma The Cedars. Campbell Ranch. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET10575096  Tamarix parviflora John F. Gaskin 1998-7-2 Gaskin 78 Sonoma Hyde and Pearson Road, E 150 yds to corner. Comment
  UCD166140  Taraxia ovata Peter Rubtzoff 1969-5-24 6059 Sonoma Vernal pool, 6.5 miles northeast of Penngrove, on Lichan Road. 427 Comment
  OBI70523  Teesdalia coronopifolia D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .288 Sonoma Cavedale Rd 518 Comment
  SEINET12217337  Tellima grandiflora F. H. Utech 1988-1 88 -227 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1, mile marker 29.90 100 Comment
  UC1611636  Thermopsis macrophylla var. macrophylla R. Spellenberg, N. Zucker 1994-6-9 12070 Sonoma 7 air mi se of Stewart's Point (2.3 mi s of Skagg's Springs on road to Plantation) Comment
  SEINET7096767  Thermopsis macrophylla var. venosa 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
  CAS-BOT-BC66807  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10934 Sonoma Sonoma Creek Canyon. Comment
  SD254581  Thysanocarpus curvipes Ann Howald 2015-4-1 3334 Sonoma North Coast Ranges; Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage (Tombs Creek 7.5'Q) 294 Comment
  CAS-BOT-BC66816  Thysanocarpus curvipes G. DeNevers 1981-4-4 637 Sonoma Pepperwood Ranch. 200 meters north of Pippindale garden. North of Studio. Comment
  SEINET11993722  Thysanocarpus curvipes W. Knight, Knight, I.; Edwards, S. 1986-1 5323 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Road 853 Comment
  JEPS35791  Thysanocarpus radians Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8926 Sonoma s Sonoma (e of Arnold Dr, 0.7 mi n of junction of Arnold Dr with State Hwy 37) Comment
  CAS-BOT-BC67335  Thysanocarpus radians John H. Thomas 1968-4-4 14268 Sonoma 2.8 miles northeast of highway 101 on road to Mark Springs West, along Mark Springs road. Comment
  CAS-BOT-BC67339  Thysanocarpus radians Karl H. Rechinger 1953-4-12 s.n. Sonoma Hills north of Sonoma. Comment
  RSA0049971  Thysanocarpus radians Peter H. Raven 1913-4-6 1602 Sonoma Lower slopes of Rincon River. 4 miles from Santa Rosa to Sonoma. 243 Comment
  JEPS49745  Tiarella trifoliata var. unifoliata M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma Russian River near Guerneville; Russian River Comment
  UC570909  Tiarella trifoliata var. unifoliata H. L. Mason June 1930 5667 Sonoma mouth of Gualala River Comment
  CAS-BOT-BC447598  Tiarella trifoliata var. unifoliata Volney Rattan 1877-6-14 118 Sonoma Guernville Comment
  POM14850  Tonella tenella Michener, Bioletti 1893-04 s.n. Sonoma Adobe Canyon. Comment
  SEINET5850106 Image available Torilis arvensis Robert A. Norris, John L. Inase, Allen Nakagwa 1981-1 4205 Sonoma Local in dry ditch by Trenton Rd., just S of and paralleling River Rd., (near N part of Laguna de Santa Rosa), approx. halfway between Guerneville and Santa Rosa, Sonoma Co. Calif. 15 Comment
  CAS-BOT-BC81460  Torreya californica Peter H. Raven 1954-2-27 6431 Sonoma Hooker Creek, Hoods Peak Range 457 Comment
  UC1198261  Torreya californica Joseph P. Tracy 1935-7-7 14046 Sonoma near the Geysers 609 Comment
  NY20762  Torreya californica M. S. Baker 1941-8-4 8592 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
  UC762795  Trichostema laxum R. F. Hoover 1942-7-6 5911 Sonoma ridge S of The Geysers Comment
  CAS-BOT-BC166775  Trifolium Peter Rubtzoff 1974-4-17 7376 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC290683  Trifolium Peter Rubtzoff 1983-8-28 9684 Sonoma Austin Creek ca. 0.5 miles north of Hwy. 116 on Cazadero Road. Comment
  UCD164104  Trifolium Peter Rubtzoff; Nancy Harrison 1978-5-20 9188 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC166756  Trifolium Peter Rubtzoff 1974-5-26 7495 Sonoma Todd Road, 1.5 miles from hwy. 116 and 0.5 miles from Llano Road. Comment
  CAS-BOT-BC173550  Trifolium Peter Rubtzoff 1972-6-23 6786 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC173557  Trifolium Peter Rubtzoff 1974-5-18 7418 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173626  Trifolium Peter Rubtzoff 1974-5-19 7441 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC173650  Trifolium Peter Rubtzoff 1974-5-11 7403 Sonoma Laguna de Santa Rosa east of Sebastopol (south of Hwy. 12 crossing). Comment
  JEPS117950  Trifolium Zoya Akulova-Barlow 2005-12-1 Sonoma Cloverdate River Park, Russian River Comment
  CAS-BOT-BC480358  Trifolium albopurpureum D. E. Breedlove 1976-3-27 39448 Sonoma above Dry Creek, west of Warm Springs Dam Comment
  CAS-BOT-BC217057  Trifolium amoenum John Thomas Howell 1938-7-3 13952 Sonoma Stony Point Comment
  UCD165148  Trifolium barbigerum Peter Rubtzoff 1974-5-18 7426 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD165135  Trifolium bifidum var. decipiens Peter Rubtzoff 1974-5-18 7418 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UC1541593  Trifolium ciliolatum H. E. and S. T. Parks 1930-5-9 602 Sonoma Knights Valley Comment
  CAS-BOT-BC376283  Trifolium fragiferum Greg de Nevers 1995-6-13 10752 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Trapper's Cabin yard 487 Comment
  UC1084487  Trifolium fucatum G. Thomas Robbins 1938-5-19 263 Sonoma sw Santa Rosa (along Sandy Point Rd) Comment
  SEINET12147992  Trifolium fucatum Unknown 1936-1 13370 Sonoma Near Healdsburg Comment
  UCSB50222  Trifolium fucatum Gray, John 1976-5-1 Sonoma Bluffs on Duncan's Landing peninsula, Sonoma Coast State Beaches; T6N R11W 15 Comment
  UCD143711  Trifolium grayi Beecher Crampton 1955-4-5 2416 Sonoma western boundary of the Sonoma County Airport, 2.5 miles south of Windsor. Comment
  UC1784222  Trifolium macraei Milo S. Baker 1932-5-3 5914 Sonoma Highway south of Stewart's Point Comment
  SEINET7096770  Trifolium microdon A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane off Occidental Road 1 mile east of Occidental. NAD27, 38? deg. 24' 25ao, -122?_ 55' 38ao (converted to WGS84 decimal degrees) UTM Zone 10, 566349mE, 4250771mN. Comment
  UCD151178  Trifolium microdon James A. Neilson Jr. 1974-4-16 2843 Sonoma Mayacmas Mountains. The Geysers. Near sulphur bank number 13, geothermal wells 1 and 3. (Elevation estimated using Google Earth by label maker.) 487 Comment
  UCD168046  Trifolium obtusiflorum James A. Neilson Jr. 1983-10-24 4102 Sonoma Mayacmas Mountains, near mouth of Hummingbird Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  RSA517355  Trifolium subterraneum L. T. Dempster 1958-5-24 1105 Sonoma Pitkin Marsh (on Pitkin Ranch). Comment
  SEINET12165539  Trifolium subterraneum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -194 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  UCD109332  Trifolium tomentosum P. G. Connors 1966-5-12 366 Sonoma west of Sonoma Creek, 8 km south of Sonoma. Comment
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Feb 19 2013
  SEINET10577425  Trifolium tridentatum var. tridentatum Michener MICHENER s.n. Sonoma Kenwood Comment
  SEINET7075560  Trifolium variegatum A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley. 38? deg. 24' 31" North Latitude, -122? deg. 37' 52" West Longitude. UTM Zone 10, 532220mE, 4251005mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  UC1784122  Trifolium variegatum Milo S. Baker 1932-4-26 5967 Sonoma Monticello Road near Pope Valley, California Comment
  UCD35304  Trifolium variegatum Beecher Crampton 1955-4-5 2405 Sonoma 2 miles west of Fulton, along Woolsey Road. Comment
  UCD109492  Trifolium variegatum var. major Peter Rubtzoff 1969-5-3 6023 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  JEPS66095  Trifolium variegatum var. melananthum F. T. Bioletti 1893-5-26 Sonoma South Los Guilicos Comment
  JEPS128367  Trifolium willdenovii Roger Raiche 2000-4-2 015 .00 Sonoma The Cedars. Bearpen Creek watershed (CalWater # 1114.120002). Comment
  UCD35299  Trifolium willdenovii Beecher Crampton 1955-4-5 2422 Sonoma Aong state Highway 104, 3 miles west of Schellville. Comment
  UCD109910  Trifolium wormskioldii Frederica Bowcutt 1984-6-23 439 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 ca. 1/2 mile. 15 Comment
  CAS-BOT-BC451941  Triglochin maritima Peter Rubtzoff 1955-8-6 2023 Sonoma Lower Salmon Creek Marsh. Comment
  UCD139904  Trillium chloropetalum Mary M. Hektner 1976-5-13 257 Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. 1325 Comment
  POM169931  Trillium chloropetalum var. chloropetalum A. A. Heller, H. E. Brown 1902-3-12 3175 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  JEPS77866  Triphysaria eriantha subsp. eriantha Robert M. Lloyd 1965-5-8 3629 Sonoma on highway 12, 3 mi n of junction with Aqua Caliente Road across from Lawrence Triangle End Garage Comment
  UC27182  Triphysaria eriantha subsp. eriantha F. T. Bioletti May 1892 Sonoma Shellville Comment
  JEPS66222  Triphysaria versicolor subsp. faucibarbata T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6896 Sonoma Laguna de Santa Rosa e Graton; Laguna de Santa Rosa Comment
  SBBG7055  Triphysaria versicolor subsp. faucibarbata H. and M. Dearing 1939-5-14 3251 Sonoma Russian River near coast Comment
  UC1348907  Triphysaria versicolor subsp. faucibarbata Robert F. Thorne 1965-4-19 34308 Sonoma Guerneville Hwy 1 mi e of Laguna Road ca 4 mi w Santa Rosa 45 Comment
  UC58260  Triphysaria versicolor subsp. versicolor A. A. Heller 1903-4-23 6607 Sonoma Fort Ross Comment
  UCR280141  Trisetum canescens Peter Rubtzoff 1971-6-25 6570 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  UCD93632  Trisetum canescens R. Tofsrud 1941-4-1 156 Sonoma Rhododendron Park. Comment
  UC53775  Trisetum cernuum State Survey June 1867 6465 b Sonoma Cloverdale 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
  CAS-BOT-BC522366  Triteleia hyacinthina Peter Rubtzoff; H. A. Froebe 1971-5-30 6463 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mile west of Arnold Drive Comment
  RSA264776  Triteleia hyacinthina Peter Rubtzoff 1971-6-5 6511 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Road. Comment
  SEINET12044741  Triteleia hyacinthina Michener, Bioletti 1893-1 s.n. Sonoma Kenwood Comment
  UC72474  Triteleia laxa Milo S. Baker 1904-6-19 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC527031  Triteleia laxa Peter Rubtzoff; Nancy Harrison 1974-7-13 7674 Sonoma Upper Green Valley Marsh Comment
  RSA378042B  Triteleia laxa Christopher Davidson 1977-6-20 6007 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  UC463104  Triteleia laxa Milo S. Baker 1923-5-30 5487 Sonoma Cooper Grove Road Comment
  UCSB15936  Triteleia laxa Breedlove, Dennis 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  UC1084454  Triteleia peduncularis G. Thomas Robbins 1937-6-5 216 Sonoma ca 10 mi w Santa Rosa (Pitkin Ranch); Vine Hill region Comment
  CAS-BOT-BC527967  Triteleia peduncularis John Thomas Howell 1947-6-5 s. n. Sonoma Cunninghan Marsh Comment
  RSA378054  Triteleia peduncularis J. W. Congdon 1880-5-16 s.n. Sonoma Sting Point? Sebastapol Road. Comment
  SD134045  Triteleia tubergenii Peter Rubtzoff, Rimo Bacigalupi 1971-6-10 6526 Sonoma Grassy flat on south side of West Railroad Avenue, between Freeway 101 and Stony Point Road. Comment
  UCD93312  Triticum aestivum Frederica Bowcutt 1997-7-19 2188 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 road just SW of group campground. Adobe Canyon near trailhead to Meadows Trail. 396 Comment
  CAS-BOT-BC80204  Tsuga heterophylla John Madison; Mary P. Wells; Mary Rhyne 1985-11-4 691 Sonoma Forest about 1/3 mile south of the Gualala River Comment
  CAS-BOT-BC74107  Turritis glabra Alice Eastwood; John Thomas Howell 1938-5-15 5511 Sonoma Near Mark West Springs. Comment
  POM21294  Ulex europaeus A. A. Heller, H. E. Brown 1902-3-22 7308 Sonoma Among Redwood Trees W of Sebastopol Comment
  RSA785729  Umbellularia californica Carrie A. Herd 1982-3-9 13 Sonoma Crane Creek Regional Park Comment
  SEINET12093236  Umbellularia californica W. Knight, Knight, I.; Edwards, S. 1986-1 5370 Sonoma Trees along trail to summit of Geyser Peak, access from Healdsburg-Geysers Road 853 Comment
  CAS-BOT-BC403977  Urtica dioica subsp. gracilis Peter Rubtzoff 1964-6-3 5344 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC404220  Urtica dioica subsp. holosericea Dennis W. Woodland 1968-6-10 1248 Sonoma 4 miles west of Calistoga on the Santa Rosa Road at road junction along wet stream bank 100 feet south of the road where both roads go to Santa Rosa Comment
  CAS-BOT-BC404227  Urtica dioica subsp. holosericea Peter Rubtzoff 1965-9-5 5633 Sonoma Forest Hills, 5.5 miles east of Guerneville along Russian River Comment
  CAS-BOT-BC193382  Vaccinium ovatum Mary P. Wells 1985-10-4 680 Sonoma New road to semi-pygmy forest south of Gualala River Comment
  CAS-BOT-BC193385  Vaccinium ovatum J. W. Congdon 1880-10-24 s.n. Sonoma Near Guerneville Comment
  CAS-BOT-BC76164  Vancouveria planipetala J. W. Congdon 1892-5-30 s.n. Sonoma Cazadero. Comment
  CAS-BOT-BC376393  Verbascum Greg de Nevers 1993-8-12 10488 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Garrison Canyon. 457 Comment
  UCD148315  Verbascum virgatum Peter Rubtzoff 1952-6-15 1261 Sonoma Fitch Mountain Grove Resort, near Healdsburg, along Russian River. Comment
  UCD165781  Verbena Peter Rubtzoff 1972-7-23 6836 Sonoma Forest Hills-Summerhome Park area, ca. 5 miles east of Guerneville; Terrace Drive, 0.4 miles up from Summerhome Park Road. Comment
  UCD148319  Veronica americana Peter Rubtzoff 1954-6-6 1461 Sonoma Guerneville Marsh. Comment
  RSA264766  Veronica anagallis-aquatica Peter Rubtzoff 1956-9-16 2920 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC164369  Veronica peregrina Peter Rubtzoff 1958-4-26 3594 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UCD124783  Veronica scutellata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UCD166064  Veronica serpyllifolia Peter Rubtzoff 1971-5-8 6447 Sonoma Pitkin Marsh, near Forestville. Western border of the marsh near end of Templeman Road. Comment
  RSA799985  Vicia Peter Rubtzoff 1974-5-25 7457 Sonoma Upper Green Valley Marsh. Comment
  UCSB31792  Vicia benghalensis Townsend, J. 1977-5-30 Sonoma West side Russian River about 1 mile south of Guerneville 335 Comment
Read comments
Jul 28 2008
  SEINET12165816  Vicia benghalensis H. K. Wagnon 1988-1 1751 Sonoma Santa Rosa, Spring Lake Park, just S of Montgomery Drive 73 Comment
  CAS-BOT-BC361410  Vicia hirsuta Greg de Nevers 1997-5-8 10991 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. Garrison Canyon 457 Comment
  CAS-BOT-BC376269  Vicia lutea Greg de Nevers 1995-6-18 10753 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In grassland south-east of Hill 1524 487 Comment
  RSA239726  Vicia sativa Unspecified 1973-5-18 1083 Sonoma Pitkin-Jones Tree Farm; on Vine Hill Road, 1.3 mi. north of jct. with Guerneyville Rd. from Santa Rosa. Comment
  UC673605  Vicia sativa subsp. nigra Herbert L. Mason 1926-3-20 2750 Sonoma s of Calistoga (marshes, along railroad right-of-way) Comment
  RSA128936  Vicia villosa J. T. Howell 1944-5-14 19483 Sonoma Chileno Valley Comment
  SEINET9288686  Vinca major Unknown 1990-5-4 Sonoma Sonoma Co. Riparian, with Vitis, Alnus. Botany 102, Botany Department, University of California, Davis. Comment
  UC518980  Viola douglasii J. Clausen 1933-3-25 732 Sonoma Melita Comment
  POM134840  Viola douglasii A. A. Heller, H. E. Brown 1902-3-14 5062 Sonoma Near Windsor. Comment
  UC1763353  Viola douglasii Edith Hessel 1927-3-5 Sonoma Santa Rosa Golf Club, on road past golf house, turns from road to Sonoma Comment
  CAS-BOT-BC536901  Viola glabella Volney Rattan 1880-4-1 s.n. Sonoma Duncans Mill 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
  UC1763481  Viola lobata Milo S. Baker May 1899 Sonoma Stewarts canyon Comment
  UC1761514  Viola lobata Milo S. Baker 1926-3-30 201 b Sonoma 1 mi S of St. Helena Inn (trail to Crater) Comment
  UCD110890  Viola lobata A. A. Beetle 1939-4-12 1775 Sonoma Mt. St. Helena. Comment
  JEPS72654  Viola lobata subsp. lobata Gladys L. Smith April 1971 Sonoma Redwood forest at Sturgeon's Mill 304 Comment
  UC19295  Viola lobata subsp. lobata W. H. Brewer 1864-1 3943 Sonoma near the Geysers (at Pine Mountain); Pine Mountain Comment
  CDA10944  Viola ocellata G. F. Hrusa, G. L. Stebbins 1994-3-28 11702 Sonoma North Coast Biodiversity Arena; Along Austin Creek, 4.3 m. N of Duncan's Mills on D.M. Cazadero Rd. Adjacent to East Austin Cr. Rd. on E side of Creek. Comment
  UC575324  Viola purpurea subsp. quercetorum Milo S. Baker 1934-3-25 7573 Sonoma Pine Flat Comment
  SDSU11390  Viola sempervirens D. F. Howe 1963-7-3 3590 Sonoma 20 miles north of junction with #12 on #1, under redwoods. Comment
  UC455410  Viola sempervirens I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  CDA2765  Viscum album S. Rose 1966-1-2 1090 Sonoma About 1 mile from Sebastopol on Gravenstein Highway North. 0 Comment
  UC1312954  Viscum album William O. McCartney 1966-5-4 Sonoma nw corner of Mill Station Road and Gravenstein North Highway Sebastopol Comment
  UCD58730  Vitis californica Eric Wada 2006-9-3 RR 5 Sonoma Just east of Monte Rio on SR116 17 Comment
  SEINET10691477  Vitis californica John H. Redfield 1872-8-26 Redfield 1106 Sonoma Geysers Comment
  CAS-BOT-BC199895  Vulpia bromoides G. DeNevers; S. Kaza 1981-5-7 977 Sonoma 10510 Old Redwood Hwy. 2 mi NW of Windsor exit from 101, vacant lot by Healdsburg Rent-All Comment
  UCD93551  Vulpia bromoides P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa. Retrified Forest Road. Comment
  CAS-BOT-BC199894  Vulpia bromoides Mary P. Wells 1985-4-27 508 a Sonoma Monan's Rill, no. of St. Helena Road southeast of Calistoga Road Comment
  SEINET197662 Image available Vulpia bromoides Leo Koch 23/47/0001 85564 Sonoma At Geysers in Sulfur Creek Canyon. Comment
  JEPS45823  Vulpia microstachys var. ciliata Eleanor Armstrong 1932-6-4 187 Sonoma 3 mi w Graton; Schlackley Flat 30 Comment
  UC1146643  Vulpia microstachys var. pauciflora Freed W. Hoffman 1942-5-3 2246 Sonoma Oregon Canyon; North Coast Ranges Comment
  SEINET6032499  Woodwardia fimbriata P. L. Henderson 1977-4-30 77 -7 Sonoma Bodega Bay Comment
  SBBG36547  Wyethia angustifolia H. and M. Dearing 1939-5-14 3374 Sonoma Bodega