Search Results — 2000 specimen records retrieved (1280 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC1074  Abronia maritima A. Small 1954-6-4 Sonoma Doran Park. Comment
  UC146774  Abronia umbellata Katharine Brandegee 1905-6-1 Sonoma Bodega Head Comment
  UC221681  Abronia umbellata subsp. breviflora Alice Eastwood 1900-7-4 Sonoma Bodega Point Comment
  UC1084469  Acaena pinnatifida var. californica G. Thomas Robbins 1937-6-6 234 Sonoma hills 2 - 3 mi. e. Bodega Bay Comment
  UC14111  Acaena pinnatifida var. californica Harley P. Chandler 1900-5-25 665 Sonoma Bodega Comment
  CAS-BOT-BC332752  Acer macrophyllum A. A. Heller; H. E. Brown 1902-3-21 5111 Sonoma Hills SE of Santa Rosa Comment
  CAS-BOT-BC332800  Acer macrophyllum Aven Nelson; Ruth A. Nelson 1933-5-15 568 Sonoma Kenwood Comment
  RSA102062  Acer macrophyllum John H. Redfield 1872-8-27 53 Sonoma Near Healdsburg Comment
  CAS-BOT-BC336942  Acer negundo var. californicum Irja Knight; Walter Knight 1964-11-3 761 Sonoma Sonoma Mt. Road. Between Folger Ranch and Enterprise Rd. Comment
  UC1084475  Acer negundo var. interior G. Thomas Robbins 1937-6-18 244 Sonoma Santa Rosa Santa Rosa Creek, Santa Rosa (bed of Santa Rosa Creek) Comment
  JEPS79727  Achillea millefolium Edward Lee with W. A. Setchell 1936-6-7 2192 Sonoma Bohemian Grove Comment
  SD41359  Achillea millefolium Edith A. Purer 1932-7-24 4075 Sonoma Near Bodega Bay. Comment
  UCD128332  Achillea millefolium Gerry North 1993-4 52 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.25 miles NE of parking lot-picnic area on Bald Mountain trail. 411 Comment
  RSA452609  Achlys triphylla Christopher Davidson 1977-6-20 6029 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  CAS-BOT-BC29165  Achyrachaena mollis F. Almeda; G. DeNevers 1981-4-28 4913 Sonoma Pepperwood Ranch, vicinity of Bechtel Cabin Comment
  CAS-BOT-BC166737  Achyrachaena mollis Peter Rubtzoff 1963-6-18 5180 Sonoma Bennett Mountain Lake. Comment
  SEINET3523218 Image available Acmispon aestivalis A. A. Heller 1938-8-11 15321 Sonoma Knights Valley, Oak Belt of Upper Sonoran Life Zone Comment
  JEPS128383  Acmispon americanus var. americanus Roger Raiche 2000-7-24 141 .00 Sonoma The Cedars. Rick's Gate. Lower Russian River, Big Austin Creek watershed. Comment
  UCD35653  Acmispon brachycarpus Beecher Crampton 1959-6-16 5373 Sonoma 1 mile east of Occidental. Comment
  CAS-BOT-BC87  Acmispon gracilis Amos Arthur Heller 1902-6-24 5754 Sonoma Near Burke's Sanitarium Comment
  UCD144411  Acmispon nevadensis G. F. Hrusa 1993-6-24 11238 Sonoma Mt. San Jacinto State Park. Common, flowers pale yellow. Comment
  UCSB50219  Acmispon strigosus Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 18 Comment
  CAS-BOT-BC376279  Acmispon wrangelianus Greg de Nevers 1992-5-2 10138 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 457 Comment
  UCD104493  Acmispon wrangelianus Mary M. Hektner 1974-6-2 11 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC30279  Adenocaulon bicolor Volney Rattan 1877-6-25 s.n. Sonoma Cloverdale Comment
  CDA31293  Adenostoma fasciculatum D. G. Kelch 2010-5-3 10 .2 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCR198233  Adenostoma fasciculatum Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .273 Sonoma Cavesdale Road 518 Comment
  SEINET11908934  Adenostoma fasciculatum W. Knight, Knight, I. 1981-1 3964 Sonoma 2.3 mi up Cavedale Road from jct of State Rt 12 Comment
  JEPS128362  Adiantum aleuticum Roger Raiche 2000-5-28 122 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this is not the name on USGS topo sheets). Gualala River, Wheatfield Fork watershed. Comment
  JEPS128375  Adiantum aleuticum Roger Raiche 2000-5-5 092 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UCD148509  Adiantum aleuticum Peter Rubtzoff 1965-10-10 5657 Sonoma Duncans Mills Marsh. Comment
  JEPS128359  Adiantum jordanii Roger Raiche 2000-3-11 003 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET1908065  Aesculus californica Lewis S. Rose 1968-1 58116 Sonoma Rincon Valley, Brush Creek, ne of Santa Rosa 122 Comment
  CAS-BOT-BC202705  Aesculus californica Elsa Ruckert 1960-5-15 152 Sonoma Corner of Wall Road and Dry Creek Road, 5 miles W from Highway 12 365 Comment
  UCSC005106  Aesculus californica Lulu Waks 2006-10-15 16 Sonoma Bloomfield, Bloomfield Rd. to Sutton St. Private residence on Sutton St. Comment
  CAS-BOT-BC173647  Agoseris Peter Rubtzoff 1969-5-3 6019 Sonoma Ca. 1 mile east-southeast of Sebastopol, above Laguna de Santa Rosa. Comment
  UC126386  Agoseris apargioides var. eastwoodiae Katharine Brandegee 1905-1 Sonoma Bodega Head Bodega Head 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
  CAS-BOT-BC15398  Agoseris grandiflora var. grandiflora G. DeNevers 1981-4-30 900 Sonoma Near the Studio. Also in Pippindale Garden, Pepperwood Ranch Comment
  CAS-BOT-BC22785  Agoseris heterophylla G. DeNevers 1981-4-30 902 Sonoma Pepperwood ranch, at the studio Comment
  RSA0065938  Agropyron Greg de Nevers 1989-04 9067 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  CAS-BOT-BC209999  Agrostis Peter Rubtzoff 1977-9-3 9126 Sonoma Perry Marsh. Comment
  CAS-BOT-BC210010  Agrostis Peter Rubtzoff 1973-8-27 7263 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC210012  Agrostis Peter Rubtzoff 1970-9-3 6378 Sonoma Marsh off Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  CAS-BOT-BC361348  Agrostis Greg de Nevers 1997-4-24 10962 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC376368  Agrostis Greg de Nevers 1992-6-26 10201 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 91 Comment
  UCD163998  Agrostis Peter Rubtzoff 1977-9-3 9126 Sonoma Perry Marsh. Comment
  UCD166325  Agrostis Peter Rubtzoff 1967-8-22 5857 Sonoma SE of Lower Salmon Creek Marsh. Comment
  UCD166333  Agrostis Peter Rubtzoff 1968-7-13 5918 Sonoma Upper Salmon Creek Marsh. Comment
  SEINET10717807  Agrostis P. Rubtzoff 1968-7-13 Rubtzoff 5918 Sonoma Upper Salmon Creek Marsh. Comment
  UC1026476  Agrostis alba Peter Rubtzoff 1951-7-8 389 Sonoma lower part of the upper Pitkin Marsh (near Forestville) Comment
  UCD37154  Agrostis blasdalei Beecher Crampton 1957-7-11 4340 Sonoma Sonoma County, 2.5 miles north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD37157  Agrostis densiflora Beecher Crampton 1957-7-11 4351 Sonoma Sonoma County, 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  UCD51975  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach. Comment
  UCD51987  Agrostis densiflora Beecher Crampton 1957-7-11 4329 Sonoma Sonoma Coast State Park, 0.9 miles north of Salmon Creek. Comment
  CAS-BOT-BC126966  Agrostis exarata A. A. Heller 1902-6-4 5641 Sonoma Santa Rosa. Comment
  POM207134  Agrostis exarata A. A. Heller 1902-6-4 5641 Sonoma Santa Rosa Comment
  UC1146630  Agrostis exarata Freed W. Hoffman 1941-6-29 2069 Sonoma Sonoma Mountain Road North Coast Ranges Comment
  UCD148474  Agrostis exarata Peter Rubtzoff 1964-8-20 5461 Sonoma Americano Creek area, along Petaluma-Valley Ford road near Bloomfield. Comment
  UCD32829  Agrostis exarata Beecher Crampton 1964-8-18 7150 Sonoma N.E. Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/4 mile east of Geyser Resort area, Big Sulfer Creek. Comment
  UCD52136  Agrostis exarata Freed W. Hoffman 1943-10-2 2171 Sonoma near Graton on Ross Road. Comment
  UCD52284  Agrostis exarata Beecher Crampton 1964-8-18 7150 Sonoma N.E. Sonoma County: The Geysers, Big Sulphur Creek. Comment
  UCD52392  Agrostis exarata Collector unknown Date Unknown Sonoma near Lewis School. Comment
  UCD52441  Agrostis exarata H. S. Yates 1937-6-6 6577 Sonoma 3 miles W of Santa Rosa. 45 Comment
  UCD53511  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCD52239  Agrostis exarata var. pacifica Beecher Crampton 1955-7-15 2915 Sonoma 6 miles west of Forest Hill. Comment
  UC70788  Agrostis hallii F. T. Bioletti 1893-6-5 Sonoma Los Guilicos Valley Comment
  UCD52668  Agrostis hallii Beecher Crampton 1957-7-11 4301 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD52723  Agrostis hallii Beecher Crampton 1957-7-11 4347 Sonoma slopes above Shell Beach, Sonoma Coast State Park, 7.4 miles north Salmon Creek. Comment
  UCD52693  Agrostis hallii Freed W. Hoffman 1941-6-28 2067 Sonoma Sonoma Mountain road. Comment
  UCD52554  Agrostis hallii var. pringlei P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified forest road. 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
  UC1112778  Agrostis microphylla Leo Whitney 1935-4-14 2258 b Sonoma near Occidental (Blunden's Pasture); Blunden's Pasture Comment
  UCD53069  Agrostis microphylla var. intermedia L. Whitney 1935-4-14 2258 b Sonoma Blunden's Pasture near Occidental. Comment
  CAS-BOT-BC139116  Agrostis oregonensis Peter Rubtzoff 1951-6-16 261 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC139120  Agrostis oregonensis Peter Rubtzoff 1951-6-7 124 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  SEINET7594115 Image available Agrostis pallens A. S. Hitchcock 1908-1 2675 Sonoma Cloverdale, Cloverdale Comment
  CAS-BOT-BC210112  Aira caryophyllea Peter Rubtzoff 1971-6-5 s.n. Sonoma Intermittent lake off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing. Comment
  SEINET7067249  Aira caryophyllea A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  UCD55788  Aira caryophyllea var. capillaris Beecher Crampton 1955-4-5 2406 Sonoma 2 miles west of Fulton. Comment
  UCD55793  Aira caryophyllea var. capillaris M. Wiesendanger 1927-5-5 712 Sonoma Sonoma. Comment
  CAS-BOT-BC138212  Aira caryophyllea var. caryophyllea John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC138210  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1960-5-18 4372 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC138190  Aira praecox Beecher Crampton 1957-7-11 4353 Sonoma Above Blind Beach, just south of Goat Rock, Sonoma Coast State Park, ca. 9 miles north of Salmon Creek. 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
  UCD55801  Aira praecox Beecher Crampton 1957-7-11 4353 Sonoma above Blind Beach, just south of Goat Rock, Sonoma Coast State Park, ca. 9 miles north of Salmon Creek. Comment
  UCD163994  Alisma Peter Rubtzoff 1977-8-12 9114 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD137909  Alisma lanceolatum Ellen Dean 2006-6-28 3179 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. In southeast part of vineyard where a new reservoir is planned 169 Comment
  UCD55144  Alisma lanceolatum Ellen Dean; Tammie Beyerl 2006-4-28 3026 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. At inlet of small reservoir SE of Pepperwood lake reservoir. 163 Comment
  UCR279634  Alisma lanceolatum Peter Rubtzoff 1968-8-31 5953 Sonoma Russian River bottom at Forest Hills, 5.5 mi east of Guerneville 13 Comment
  CAS-BOT-BC445348  Alisma lanceolatum Peter Rubtzoff 1955-7-10 1956 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC445465  Alisma triviale Peter Rubtzoff 1958-8-16 3874 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road). Comment
  JEPS82409  Allium bolanderi Roger Raiche 1983-6-4 30374 Sonoma Sweetwater Springs Road 3.9 mi w West Side Highway (above Porter Creek, e of its intersection with John Gordon Creek, on s side of road); Porter Creek 121 Comment
  RSA601311  Allium dichlamydeum David D. Keck, Jens Clausen 1935-6-15 3366 Sonoma 1 mile north of Salmon Creek Comment
  CAS-BOT-BC469102  Allium dichlamydeum Milo S. Baker 1932-5-3 5948 Sonoma 1 mile north of Salmon Creek Comment
  SD56754  Allium dichlamydeum Darley F. Howe 1963-7-2 3716 Sonoma 4.2 miles north of junction with #12 on #1. On sea bluff. Comment
  UCD150551  Allium dichlamydeum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-1 s.n. Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA63706  Allium peninsulare var. franciscanum Milo S. Baker 1950-5-20 s.n. Sonoma About 1 mile SW of Kenwood in Hope Valley Comment
  UCD169968  Allium triquetrum Gary Bjork 2001-4-4 PDR 117291 Sonoma 2474 Copperfield Ct., Santa Rosa. Comment
  CAS-BOT-BC474308  Allium unifolium Milo S. Baker 1927-5-6 21156 Sonoma Bennet Val near Highway Comment
  CAS-BOT-BC474314  Allium unifolium G. DeNevers 1981-5-9 1073 Sonoma In the Oak Woodland Canyon between the two streams draining to the Redwood Canyon Comment
  UCD141805  Allium unifolium T. C. Fuller 1967-5-19 15884 Sonoma between ditchbank and fence, south side of Petaluma Valley Ford Hwy, 2 miles NW of Two Rock. Comment
  CAS-BOT-BC169653  Alnus rhombifolia Peter Rubtzoff 1960-9-14 4527 Sonoma Laguna de Santa Rosa E of Graton (betw.Occidental and Guerneville roads) Comment
  CAS-BOT-BC169657  Alnus rhombifolia Peter Rubtzoff 1960-6-9 4491 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road Comment
  CAS-BOT-BC138041  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1962-6-1 4866 Sonoma Treestone Marsh. Comment
  CAS-BOT-BC138049  Alopecurus aequalis var. sonomensis J. W. Congdon 1880-6-6 s.n. Sonoma Bloomfield. Comment
  CAS-BOT-BC376271  Alopecurus pratensis Greg de Nevers 1996-4-18 10792 Sonoma Knights Valley, marsh at south end of valley at base of hills, on Bavarian Lion Ranch. Knight's Valley Marsh. Bavarian Lion Ranch, 450 ft. 91 Comment
  CAS-BOT-BC137908  Alopecurus saccatus Alice Eastwood 1921-4-24 10351 Sonoma Santa Rosa. Comment
  UCR5546  Ambrosia chamissonis Frank C. Vasek 1966-7-16 660716- 01 Sonoma Central Coast, Bodega Bay, Doran County Beach 1 Comment
  UC29417  Ambrosia psilostachya J. Burtt Davy Oct 1 1896-Jan 1 1900 2852 Sonoma Sonoma Comment
Read comments
Nov 13 2016
  CAS-BOT-BC55540  Ambrosia psilostachya M. K. Bellue 1938-6-1 s.n. Sonoma Near Santa Rosa Comment
  POM141359  Amelanchier pallida A. A. Heller 1903-4-24 6617 Sonoma Woods near Cazadero. Comment
  CAS-BOT-BC154125  Ammannia coccinea Peter Rubtzoff 1963-9-21 5271 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC361327  Amorpha californica Greg de Nevers 1997-8-17 11081 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  CAS-BOT-BC180633  Amorpha californica var. californica Walter Knight; Irja Knight; Dr. Steve Edwards 1985-9-9 5249 Sonoma Norrbom Road, near Sonoma Comment
  POM252870  Amorpha californica var. napensis A. A. Heller 1902-6-24 s.n. Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC222274  Amsinckia Alice Eastwood 1933-5-7 18843 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  CAS-BOT-BC222281  Amsinckia John Thomas Howell 1934-3-26 11787 Sonoma Southwestern base of Mt. Hood Comment
  CAS-BOT-BC222283  Amsinckia John Thomas Howell 1934-3-26 11785 Sonoma Southwestern base of Mt. Hood Comment
  UC725447  Amsinckia lunaris A. A. Heller 1940-4-22 15550 Sonoma e of Santa Rosa (along State Hwy 12) Comment
Read comments
Nov 9 2006
  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
  SEINET12337128  Amsinckia spectabilis C. Best, Irja, W.; Knight, T. 1991-1 6601 Sonoma Bodega Marine Preserve Comment
  CDA36951  Anagallis arvensis CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UC1146605  Andropogon glomeratus var. pumilus Freed W. Hoffman 1942-6-13 2046 Sonoma around Hot Springs the Geysers; North Coast Ranges, , the Geysers Comment
  UC699632  Andropogon glomeratus var. pumilus F. W. Hoffman 1943-6-17 Sonoma Guerneville Comment
  JEPS74598  Andropogon glomeratus var. scabriglumis L. R. Heckard 1974-8-21 3825 B Sonoma s.-central part near end of Templeton rd. Pitkin Marsh Comment
  CAS-BOT-BC137790  Andropogon virginicus var. virginicus H. S. Yates 1937-8-22 6865 Sonoma 2 miles southeast of Forestville. 30 Comment
  CAS-BOT-BC137792  Andropogon virginicus var. virginicus R. D. Stone 1983-6-16 555 Sonoma At the Little Geysers, upper Big Sulphur Creek drainage. 701 Comment
  UC1011020  Andropogon virginicus var. virginicus Virginia Bufford 1936-9-9 416 Sonoma Pitkin's Marsh; Pitkin's Marsh - Vine Hill District Comment
  UC1011023  Andropogon virginicus var. virginicus Virginia Bufford 1936-8-19 412 Sonoma Pitkin's Marsh; Pitkin's Marsh - Vine Hill District Comment
  SEINET10513944  Andropogon virginicus var. virginicus Harry S. Yates 1937-8-22 Yates 6865 Sonoma 2 miles southeast of Forestville. 30 Comment
  CAS-BOT-BC391872  Anemone grayi Mrs. H. C. Cantelow 1939-4-12 s.n. Sonoma On the road to Cazadero via Plantation Comment
  UC70435  Anemone oregana Milo S. Baker 1903-3-19 Sonoma Sonoma; Creek canyon Comment
  CAS-BOT-BC221430  Angelica hendersonii Alice Eastwood 1915-6-29 4881 Sonoma Bodega Point Comment
  CAS-BOT-BC221432  Angelica hendersonii Alice Griffin 1925-7-1 s.n. Sonoma Stewarts Pt. Comment
  CDA38217  Angelica tomentosa T. C. Fuller 1957-9-24 406 -57 Sonoma Forestville. 0 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
  CAS-BOT-BC102235  Anthemis cotula Clare R. Wheeler 1978-3-30 140 Sonoma pine Mt. Road. 4 mi. NE of Cloverdale. 548 Comment
  UC978118  Anthoxanthum aristatum L. Beane and Lois E. James 1949-5-11 1942 Sonoma about halfway between Healdsburg and Windsor Comment
  UCD56134  Anthoxanthum aristatum Beecher Crampton 1955-4-5 2415 Sonoma 2 miles southwest of Windsor. Comment
  UCD37565  Anthoxanthum aristatum Beecher Crampton 1955-4-5 2412 Sonoma 3 miles northeast of Trenton, 3 miles southwest of Windsor, Starr Road, near Starr School, along Windsor Creek. Comment
  HSC8936  Anthoxanthum odoratum C. S. Chavez 1965-6-3 78 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  UC576279  Anthoxanthum odoratum H. S. Yates 1937-6-6 6583 Sonoma 1 mi e of Duncan Mills 91 Comment
  UCD56169  Anthoxanthum odoratum Beecher Crampton 1955-6-17 2940 Sonoma 1/2 mile north of Guerneville, along Fife Creek. Comment
  UCD56259  Anthoxanthum odoratum Leo Koch 1940-4-22 841 Sonoma North Bay Counties, along Highway 101, north of Windsor. Comment
  CAS-BOT-BC137696  Anthoxanthum odoratum David L. Morgan 1956-5-23 s.n. Sonoma Middle Tow Rock Road near junction of Petaluma-Valley Ford road. Comment
  UCR179374  Anthriscus caucalis Frederica Bowcutt 1994-6-12 1859 Sonoma Sugarloaf Ridge, About 50 air miles N of San Francisco, 10 miles east of Santa Rosa, 1.5 miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture 433 Comment
  JEPS103955  Antirrhinum vexillocalyculatum subsp. breweri Jack and Betty Guggolz 1991-6-20 1193 Sonoma ridge running W from an old homesite, about 1 1/4 mi N of Camp Meeker 161 Comment
  UCR44929  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum L. F. LaPre 1986-6-2 s.n. Sonoma Red Slide, serpentine rockslide along upper East Austin Creek, 5 mi north of Cazadero, 3 mi up a private road from Mannings Flats, Austin Creek State Recreation Area 305 Comment
  UC1299575  Apocynum androsaemifolium Freed W. Hoffman 1947-7-29 1418 Sonoma near Guerneville Guerneville (Gabe's Rock); North Coast Ranges, Gabe's Rock Comment
  UC1084360  Arabis blepharophylla G. Thomas Robbins 1937-3-26 23 Sonoma near Bodega bay Comment
  UCD128214  Aralia californica K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC171644  Aralia californica Alice Griffin 1925-7-1 s.n. Sonoma Stewarts Pt. Comment
  UCSB40579  Aralia californica Takeda, Brian 1978-5-28 Sonoma 20 miles north of Bodega Bay on Highway 1 in small Redwood Canyon Comment
  CAS-BOT-BC128621  Arbutus menziesii A. A. Heller; H. E. Brown 1902-4-17 s.n. Sonoma Hills at Santa Rosa Comment
  RSA102086  Arbutus menziesii John H. Redfield 1872-8-28 213 Sonoma Geyser Valley Comment
  CHSC69207  Arctostaphylos James D. Jokerst 1989-4-14 3099 Sonoma Healdsburg Area A Specific Plan Study, in project area. On ridge adjacent to existing subdivision, SW portion of project area. Comment
  JEPS98902  Arctostaphylos James Roof and Walter Knight 1967-3-20 Sonoma N side of Guerneville Road, 1/2 mi W of Vine Hill Road Comment
  RSA629209  Arctostaphylos Jon E. Keeley 1993-9-11 24791 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24079  Arctostaphylos bakeri Catherine Best 1986-2-9 1161 Sonoma Stoetz Lane about 3 miles northeast of Occidental. 213 Comment
  CAS-BOT-BC24081  Arctostaphylos bakeri Lewis S. Rose 1955-3-21 55031 Sonoma 2 mi. NE of Occidental 213 Comment
  CAS-BOT-BC24085  Arctostaphylos bakeri R. F. Hoover 1968-2-23 10896 Sonoma Harrison Grade road near summit Comment
  CHSC67489  Arctostaphylos bakeri James D. Jokerst 1989-4-13 3095 Sonoma NE side of Hawson Grade Rd 0.4 mi N of its junction with Stoetz Rd., ca. 1 mi NE of Camp Meeker, N of Occidental, W of Santa Rosa. 228 Comment
  HSC7753  Arctostaphylos bakeri Freed W. Hoffman Apr 1948 2753 Sonoma Dutch Bill Creek near Camp Meeker Comment
  UC1120874  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1553 Sonoma 1 mi ne Occidental; Sebastopol Quadrangle Comment
  UC1120878  Arctostaphylos bakeri A. E. Wieslander 1936-9-19 706 Sonoma 1 mi nw Occidental; Sebastopol Quadrangle Comment
  UC1388373  Arctostaphylos bakeri Freed W. Hoffman 1947-3-11 823 Sonoma ne Camp Meeker; North Coast Ranges Comment
  UC549713  Arctostaphylos bakeri J. E. Adams 1935-3-1 1029 Sonoma 2 mi w Occidental Comment
  UCD50406  Arctostaphylos bakeri E. Armstrong 1934-3-26 932 Sonoma 3 m. N. Camp Meeker. 91 Comment
  POM222620  Arctostaphylos bakeri subsp. bakeri L. S. Rose 1934-2-22 34032 Sonoma 2 miles E of Occidental. Comment
  RSA622704  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24698 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA622708  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24708 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA252145  Arctostaphylos bakeri subsp. bakeri G. D. Wallace 1974-12-23 1348 Sonoma NE of Occidental on Grafton Road, 2 mile or so from Occidental. 152 Comment
  CDA42379  Arctostaphylos canescens D. G. Kelch, D. A. Weinstein 2013-1-5 13 .001 Sonoma 3 km east of Sonoma; On ridge between Lovall Valley and Castle Rds. Comment
  RSA622724  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24767 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UCD160915  Arctostaphylos canescens James A. Neilson Jr. 1975-7-31 2951 Sonoma Mayacmas Mountains. One-quarter mile southwest of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  UCD51489  Arctostaphylos canescens Beecher Crampton 1960-5-17 5541 Sonoma 4.5 miles east of Glen Ellen; Trinity Road. Comment
  CDA11166  Arctostaphylos canescens subsp. canescens G. F. Hrusa 1989-1-1 5797 Sonoma North Coast Biodiversity Arena; Along Cavedale Rd., 2 miles E of Hwy 12. Comment
  POM209636  Arctostaphylos canescens subsp. canescens H. F. Copeland 1933-3-18 A- 12 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  UC1281371  Arctostaphylos canescens subsp. canescens H. E. McMinn 1936-4-4 4395 Sonoma ridge near R. L. Stevenson Monument; Mt. St. Helena Comment
  HSC7612  Arctostaphylos canescens subsp. canescens Freed W. Hoffman 1948-5-10 2677 Sonoma E face Cobb Mtn. 1220 Comment
  UC480593  Arctostaphylos canescens subsp. sonomensis Carl Meyer 1928-3-3 301 Sonoma Santa Rosa Comment
  UC549708  Arctostaphylos canescens subsp. sonomensis J. E. Adams 1935-3-1 1023 Sonoma e Sta. Rosa; Rincon Ridge Comment
  CAS-BOT-BC23601  Arctostaphylos columbiana Carl B. Wolf 1927-9-2 1343 Sonoma 2 miles south of Anchor Cove. Comment
  CAS-BOT-BC23605  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11744 Sonoma Between Fort Ross and Stewart's Point Comment
  UC549636  Arctostaphylos columbiana J. E. Adams 1934-3-28 731 Sonoma seven mi n Fort Ross Comment
  UC549638  Arctostaphylos columbiana J. E. Adams 1935-3-28 735 Sonoma 10 mi n Fort Ross Comment
  CAS-BOT-BC24995  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5773 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC25014  Arctostaphylos densiflora Peter Rubtzoff 1952-3-22 870 Sonoma Dry, open area separating the Western branch of the Upper Marsh from the Eastern. Comment
  RSA32906  Arctostaphylos densiflora A. A. Heller 1941-3-2 15881 Sonoma about 9 miles west of Santa Rosa on roadside banks just west of the Vine Hill Schoolhouse Comment
  UCD50800  Arctostaphylos densiflora Roman Gankin 1966-3-3 693 Sonoma Vine Hill School Road, ca. 10 miles west of Santa Rosa. 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
  SEINET11987220  Arctostaphylos densiflora W. Knight, Knight, I. 1980-1 3858 Sonoma California Native Plant Society preserve on Vine Hill School Rd, near Graton Comment
  UCD166542  Arctostaphylos glandulosa Dylan O. Burge 2016-2-16 2043 Sonoma Hooker Creek watershed. 520 Comment
  CAS-BOT-BC23282  Arctostaphylos glandulosa subsp. cushingiana Alice Eastwood 1918-5-1 6865 Sonoma Mt. St. Helena Comment
  RSA631180  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1996-6-22 27487 Sonoma Stewarts Road ca. 10 km W of Geyserville. 420 Comment
  CAS-BOT-BC23291  Arctostaphylos glandulosa subsp. cushingiana P. C. Everett; E. K. Balls 1954-10-20 20378 Sonoma 4.9 mi. s.w. of Lake-Sonoma Co. line, w. slopes of Mt. St. Helena. 533 Comment
  RSA631191  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24730 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24720  Arctostaphylos glandulosa subsp. glandulosa J. Clausen 1933-3-25 726 Sonoma About 4 mi. e. of Warfield along the road to Oakville. 213 Comment
  POM131612  Arctostaphylos glandulosa subsp. glandulosa A. A. Heller, H. E. Brown, A. H. Heller 1902-3-27 10651 Sonoma Western base of Mt. Hood. 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
  JEPS82522  Arctostaphylos hispidula Roger Raiche 1984-2-26 40044 Sonoma Rockpile Road about 9.1 mi n origin at Skaggs Spring-Stewarts Point Road 502 Comment
  UCD59406  Arctostaphylos hispidula Roger Raiche 1984-1-14 RR 40018 Sonoma Kelly Road (about 5.3 miles northwest from its intersection with Rockpile Road). About 1/4 mile off road between Sonoma Lake and Anapolis 518 Comment
  CAS-BOT-BC24405  Arctostaphylos manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4760 Sonoma The Cedars, near Cazadero on Twitchell Ranch. 243 Comment
  OBI54985  Arctostaphylos manzanita H. F. Copeland 1933-3-18 A 14 Sonoma Vine Hill region on College Ave hwy, W of Santa Rosa Comment
  OBI5724  Arctostaphylos manzanita H. F. Copeland 1933-3-18 A 13 Sonoma Vine Hill region on College Ave hwy, near Santa Rosa Comment
  SBBG119553  Arctostaphylos manzanita C. Bornstein, E. Collins 2006-8-24 Sonoma Rincon Ridge Park Sensitive Area, Park Gardens Drive off Rincon Ridge Drive 259 Comment
  UC1614286  Arctostaphylos manzanita Charles M. Belshaw 1936-3-7 1560 Sonoma 1/4 mi w of Trenton Comment
  UCD59184  Arctostaphylos manzanita Roger Raiche 1982-11-21 20862 Sonoma Above Gilliam Creek, East Austin Creek State Rec. Area. Comment
  UCD59187  Arctostaphylos manzanita Roger Raiche 1982-11-20 20860 Sonoma On serpentine of Morrison Ridge. Gilliam Greek watershed. East Austin Creek State Rec. Area. 304 Comment
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Oct 17 2013
  CAS-BOT-BC38990  Arctostaphylos manzanita Roger Raiche 1983-7-10 30489 Sonoma Ridge is eastern end of Rocky Mt. Ridge west of Blue Rock between Gray Creek to the south and Devil Creek to the north. 304 Comment
  HSC7652  Arctostaphylos manzanita R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1328 Sonoma ca. 1 mi. NW of the Big Geysers, along road Comment
  RSA202113  Arctostaphylos manzanita Freed W. Hoffman 768 Sonoma Del Preti Hill, headwaters of Fife Creek, near Guerneville. Comment
  RSA633059  Arctostaphylos manzanita Jon E. Keeley 1978-10-8 7265 Sonoma Road from Calistega to Santa Rosa. Comment
  RSA96663  Arctostaphylos manzanita P. C. Everett, E. K. Balls 1954-10-20 20374 Sonoma steep, dry, open slopes, 3.2 mi. S of Lake-Sonoma Co. line on road from Middletown to Mt. St. Helena. 671 Comment
  SEINET11990977  Arctostaphylos manzanita Unknown 1983-1 30499 E Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11990980  Arctostaphylos manzanita Unknown 1982-1 20862 Sonoma above Gilliam Creek, East Austin Creek State Rec. Area Comment
  SEINET11990994  Arctostaphylos manzanita R. Raiche, Edwards, S. W. 1983-1 100 Sonoma The Cedars, W of ridge on Twitchell property 274 Comment
  SEINET11991026  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4753 Sonoma The Cedars, near Cazadero 274 Comment
  CAS-BOT-BC38655  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1937-4-11 12906 Sonoma M.S. Baker's place, sw. slope of Mt. Hood Comment
  CAS-BOT-BC38677  Arctostaphylos manzanita subsp. manzanita Stephen W. Edwards; Roger Raiche; Walter Knight; Irja Knight 1983-7-3 4751 Sonoma The Cedars, on serpentinite, near Cazadero. 274 Comment
  CAS-BOT-BC38700  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 10 Sonoma Vine Hill region, west of Santa Rosa Comment
  CAS-BOT-BC38709  Arctostaphylos manzanita subsp. manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38710  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 13 Sonoma Vine Hill region on College Avenue highway, near Santa Rosa Comment
  CAS-BOT-BC38725  Arctostaphylos manzanita subsp. manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1073 Sonoma .2 mile along Wine Creek Road from west Dry Creek Road, near Healdsburg Comment
  RSA13422  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  SBBG28821  Arctostaphylos manzanita subsp. manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 mi W of Santa Rosa Comment
  UC1121475  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1938-10-29 835 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC1281098  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1936-4-5 4410 Sonoma along road just w Vine Hill School House Comment
  UC1388362  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-2-28 766 Sonoma near Healdsburg (creek is a branch of Mill Creek); North Coast Ranges, Wild Hog Ridge, headwaters of Palmer Cre Comment
  UC1388366  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-2-27 769 Sonoma near Guerneville; North Coast Ranges, Lone Mountain Farm Comment
  CAS-BOT-BC38719  Arctostaphylos manzanita subsp. manzanita William R. Dudley 1893-2-1 s.n. Sonoma L. A. Jr. Arboretum Comment
  RSA96696  Arctostaphylos manzanita subsp. manzanita P. C. Everett, E. K. Balls, George B. Everett 1954-10-20 20377 Sonoma 4 mi. s.w. of Lake-Sonoma Co. line, n.w. to w. slope Mt. St. Helena. 640 Comment
  SEINET11994911  Arctostaphylos manzanita subsp. manzanita W. Knight, Knight, I. 1987-1 6084 Sonoma Pepperwood Preserve, Garrison Canyon 122 Comment
  CAS-BOT-BC47342  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5765 Sonoma Rincon Ridge near Santa Rosa. Comment
  RSA636820  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24741 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  JEPS95231  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  JEPS98845  Arctostaphylos stanfordiana subsp. decumbens unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  POM131953  Arctostaphylos stanfordiana subsp. stanfordiana A. A. Heller, H. E. Brown, A. H. Heller 1902-3-27 10650 Sonoma Western base of Mt. Hood. Comment
  POM367459  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A- 11 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  RSA364258  Arctostaphylos stanfordiana subsp. stanfordiana Roger Raiche 1983-9-25 RR- 30733 Sonoma Clipper Mill Bridge, Stewarts Point Road (2.6 miles east on that road from Highway 1). Comment
  RSA517039  Arctostaphylos stanfordiana subsp. stanfordiana Jack Guggolz, Betty Guggolz 1986-3-3 851 Sonoma 1.2 miles from West Dry Creek Road on south side of Chamise Ridge Road across from spur road to the north. (west of Geyserville) Comment
  SEINET11995501  Arctostaphylos stanfordiana var. repens W. Knight, Knight, I.; Edwards, S. 1985-1 6051 Sonoma Chapman Branch of Crane Creek, near Dorman Canyon 265 Comment
  UC549531  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 747 Sonoma 1 mi s McNamees Store Comment
  RSA13420  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-18 A- 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa. Comment
  CAS-BOT-BC47462  Arctostaphylos viscida subsp. viscida Irja Knight; Walter Knight 1964-1-26 822 Sonoma Ca 1 m. high. Foote's Ravine north end Knight's Valley. 1 mi W. Ida Clayton Rd. Comment
  CAS-BOT-BC47471  Arctostaphylos viscida subsp. viscida C. H. M. 1907-7-27 s.n. Sonoma Mt. St. Helena, Calif. Near summit 1st ridge on road from Middletown to Knight's Valley. 731 Comment
  SEINET11845326  Arctotheca calendula W. Knight, Knight, I. 1990-1 6588 Sonoma Petaluma, Lynch Creek Drive Comment
  SEINET14196753  Aristida oligantha G. de Nevers 1987-1 8234 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  UC1518542  Aristida ternipes var. hamulosa Barbara Malloch Leitner 1984-8-10 Sonoma 1/2 mi n Socrates Mine Rd. (ca 1 mi e of Big Sulphur Creek); Little Geysers Comment
  CAS-BOT-BC400485  Aristolochia californica Peter Rubtzoff 1951-8-26 673 Sonoma Hills south of Guerneville (Neeley Hill area) Comment
  UCSB50184  Armeria maritima subsp. californica Gray, John 1976-5-1 Sonoma On North Salmon Creek Beach near Highway 1; T 6N, R 11W 18 Comment
  CAS-BOT-BC175852  Artemisia Peter Rubtzoff 1953-11-1 1435 Sonoma Vacation Beach, near Guerneville. Comment
  JEPS37016  Artemisia douglasiana W. L. Jepson 1921-9-12 9480 Sonoma south side of Alexander Valley Alexander Valley 45 Comment
  CAS-BOT-BC90485  Artemisia douglasiana F. W. Peirson 1925-8-8 6342 Sonoma roadside, 6 miles south of Santa Rosa Comment
  UCD129246  Artemisia douglasiana Frederica Bowcutt 1994-6-24 1902 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. Sonoma Creek, Gray Pine Trail between Vista Trail and Meadow Trail. 408 Comment
  UCD129280  Artemisia douglasiana Mary M. Hektner 1974-7-24 162 Sonoma roadside at junction of Vantage Road and Breaker Reach; Unit 21 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD151053  Asarum caudatum Mary M. Hektner 1976-5-13 256 Sonoma Sea Ranch, near State Highway 1. Comment
  UC6177  Asarum caudatum Dr. Lorini Jun 1896 Sonoma Mount St. Helena Comment
  POM130171  Asclepias fascicularis A. A. Heller 1902-6-4 s.n. Sonoma Santa Rosa Comment
  SEINET197693  Asclepias solanoana Helen K. Sharsmith 1952-6-18 4128 Sonoma Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains. 975 Comment
  UC1195651  Asclepias solanoana A. R. Kruckeberg 1949-6-4 1762 Sonoma ca 4 mi above Pine Flat (sw of Cobb Mtn.) Comment
  CAS-BOT-BC68785  Aspidotis densa Catherine Best 1983-4-16 s.n. Sonoma On serpentine on the Bohemian Hwy. about 3 miles north of Occidental. Comment
  SACT000181  Aspris capillaris M. Wiesendanger 1927-5-5 Sonoma Comment
  CAS-BOT-BC164695  Asteraceae Peter Rubtzoff 1966-5-29 5730 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC361382  Asteraceae Greg de Nevers 1997-2-18 10906 Sonoma Highway 101, near Cloverdale Comment
  CAS-BOT-BC180467  Astragalus breweri A. A. Heller; H. E. Brown 1902-4-4 s.n. Sonoma Hills East of Santa Rosa Comment
  NY5343  Astragalus breweri W. H. Brewer 1860-1 974 Sonoma Sonoma Valley. Comment
  CAS-BOT-BC178663  Astragalus claranus John Thomas Howell 1931-4-19 6431 Sonoma Grassy meadow, 12.5 miles from St. Helena on Spring Mountain Road to Santa Rosa Comment
  UC19232  Astragalus gambelianus Michener and Bioletti June 1893 Sonoma Hood's Peak Comment
  CAS-BOT-BC66150  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1952-5-31 1119 Sonoma Northern half of Lower Marsh Comment
  UC1042437  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-11-24 843 Sonoma near Forestville (n 1/2 of Lower Marsh); Pitkin Marsh Comment
  OBI48871  Athysanus pusillus Michener & Bioletti, Bioletti April1893 s.n. Sonoma Adobe Canon Comment
  POM143742  Athysanus pusillus A. A. Heller, H. E. Brown 1902-3-24 s.n. Sonoma Hills East of Santa Rosa. Comment
  CAS-BOT-BC146137  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa Creek, east of Santa Rosa. Comment
  UCD56195  Avena barbata Eric S. Nagy 1990-5-18 9 Sonoma Bodega Bay. Bodega Head. Dune ridge W of harbor along road. W of marine lab dorms and E of lab. Comment
  SEINET10517569  Avena barbata A. Arthur Heller 1902-3-26 Heller 5157 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  POM207305  Avena fatua A. A. Heller 1902-4-9 5251 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  UCD72386  Avena fatua Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1790 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 with Rattlesnake Creek. 350 Comment
  CAS-BOT-BC154143  Baccharis douglasii Peter Rubtzoff 1955-9-24 2147 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC98646  Baccharis douglasii A. A. Heller 1902-8-23 6056 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  JEPS81900  Baccharis glutinosa Roger Raiche 1982-8-22 20701 Sonoma canyon running through Vine Hill Vine Hill 213 Comment
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Oct 17 2013
  UCR279607  Baccharis glutinosa Peter Rubtzoff 1955-9-10 2130 Sonoma North Coast Ranges, Guerneville Marsh 15 Comment
  UCR279639  Baccharis glutinosa Peter Rubtzoff 1958-8-23 3918 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  CAS-BOT-BC99590  Baccharis pilularis Carl B. Wolf; E. R. Johnson 1934-10-13 6182 Sonoma 2 4/10 mi. no. of mouth of Russian River 60 Comment
  CAS-BOT-BC99599  Baccharis pilularis Walter Knight; Irja Knight 1963-9-29 233 Sonoma On freeway fill 200 yds southbound from Lakeville highway Comment
  CAS-BOT-BC99784  Baccharis salicifolia Joseph P. Tracy 1932-5-8 9900 Sonoma Geyserville, along Russian River 152 Comment
  POM41966  Baccharis salicifolia Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  SEINET8734646 Image available Baeria uliginosa Lewis S. Rose 1933-1 33156 Sonoma BODEGA BAY Comment
  CAS-BOT-BC173596  Barbarea Peter Rubtzoff 1989-4-20 9989 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC354312  Barbarea Peter Rubtzoff 1989-6-10 10005 Sonoma Along Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC354326  Barbarea Peter Rubtzoff 1989-6-10 10006 Sonoma Along Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  RSA0025200  Barbarea Peter Rubtzoff 1989-6-10 10005 Sonoma Along Russian River, ca. 6 mi east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC16692  Barbarea orthoceras A. A. Heller; H. E. Brown 1902-3-20 5106 Sonoma Near Windsor. Comment
  CAS-BOT-BC145834  Beckmannia syzigachne J. W. Congdon 1880-5-31 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC145874  Beckmannia syzigachne John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  UC573778  Beckmannia syzigachne H. S. Yates 1936-5-16 5620 Sonoma near Grass Valley School; Sebastopol Quadrangle Comment
  UCD56780  Beckmannia syzigachne A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3584 Sonoma On Occidental Road near Barstow Station. Comment
  CAS-BOT-BC102005  Bidens frondosa John Thomas Howell 1946-8-17 22849 Sonoma The Laguna north of Sebastopol Comment
  UC727762  Bidens frondosa Milo S. Baker 1946-8-17 11560 Sonoma at the crossing of the Occidental Road (The Laguna); The Laguna Comment
  RSA0019007  Bidens laevis Peter Rubtzoff 1954-11-18 1764 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC258028  Blennosperma bakeri Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7391 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  JEPS86326  Blennosperma bakeri Jack and Betty Guggolz 1988-3-15 902 Sonoma n of, w of an extension of Hargrave Road Scenic Road Comment
  OBI16930  Blennosperma bakeri M. S. Baker 1946-1 Sonoma Comment
  SD51682  Blennosperma bakeri M. S. Baker 1946-4-2 11307 Sonoma Western outskirts of Sonoma in hog wallow about 0.25 mile south of Napa Street, in field on east side of street. Comment
  UC1224619  Blennosperma bakeri Peter H. Raven 1963-4-28 18251 Sonoma 4.7 mi s of, on Arnold Drive El Verano Comment
  NY31011  Blennosperma californicum A. A. Heller 1902-3-14 5064 Sonoma Near Windsor Comment
  POM54940  Blennosperma nanum A. A. Heller, H. E. Brown 1902-3-14 5064 Sonoma Near Windsor Comment
  CAS-BOT-BC105961  Blennosperma nanum var. nanum A. A. Heller; H. E. Brown 1902-3-14 s.n. Sonoma Near Windsor Comment
  UCD167527  Boechera breweri James Neilson 1979-6-26 3978 Sonoma Mayacmas Mountains, Big Sulphur Creek drainage, Cadd Fire trail about 2.3 miles NW Contact Mine. (Notebook says 'Mt Baby Rocks' on crest of main ridge 2 mi n.w. Socrates Mine between Big and Little Sulphur Creek drainages. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC164674  Boisduvalia Peter Rubtzoff 1972-4-23 6731 Sonoma 4.25 miles W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC154965  Boisduvalia densiflora Peter Rubtzoff 1960-9-14 4544 Sonoma Laguna de Santa Rosa, E of Graton (btwn. Occidental & Guerneville Roads) Comment
  RSA94294  Boisduvalia densiflora var. densiflora Peter Rubtzoff 1951-7-14 455 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  CAS-BOT-BC500694  Bolboschoenus maritimus Peter Rubtzoff 1954-7-26 1557 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC290549  Bolboschoenus maritimus subsp. paludosus Peter Rubtzoff 1963-8-17 5221 Sonoma Salt marsh near Petaluma River just east of Petaluma. Comment
  UC1051640  Botrychium multifidum Peter Kamb, Francia Chisaki 1950-6-16 1866 Sonoma NW of Sebastopol (Pitkin Marsh, 1 mi N of Sousa Corners) Comment
  POM142187  Boykinia occidentalis A. A. Heller 1902-6-26 5772 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC418499  Boykinia occidentalis Milo S. Baker 1927-9-23 2496 a Sonoma Los Alamos Cr. Canon Comment
  CAS-BOT-BC418504  Boykinia occidentalis Mary P. Wells 1984-7-20 386 Sonoma The Sea Ranch; Hot spot (i.e., by So Fork Qualala River). Comment
  CAS-BOT-BC36652  Brassica oleracea Mary P. Wells 1989-4-3 977 Sonoma Santa Rosa. Rincon Valley. Streamside of fence east of Friends House. 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
  CAS-BOT-BC173643  Brassicaceae Peter Rubtzoff 1970-10-29 6422 Sonoma Marsh in dunes south of U.C. Bodega Marine Laboratory dormitory Comment
  RSA32189  Briza maxima I. L. Wiggins, Roxana S. Ferris 1943-4-30 10165 Sonoma Roadside 1/2 mile south of Asti, Along Highway 101. Comment
  UCD57433  Briza minor Katharine Brandegee Date Unknown s.n. Sonoma Sebastopol. Comment
  CAS-BOT-BC486533  Brodiaea elegans subsp. elegans Lewis S. Rose 1940-5-22 40363 Sonoma Sonoma 30 Comment
  CAS-BOT-BC486537  Brodiaea elegans subsp. elegans D. E. Breedlove 1980-6-28 44804 Sonoma Pepperwood Ranch west of Knights Valley 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
  RSA227221  Brodiaea elegans subsp. elegans Peter Rubtzoff 1969-6-15 6087 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  SEINET5500783 Image available Brodiaea laxa Sally Walker 1981-5-25 Sonoma 4 mi W of Occidental. Comment
  JEPS27993  Brodiaea stellaris Rimo Bacigalupi with L. R. Heckard 1961-6-9 7746 Sonoma ca. 0.75 mi. n.w. Occidental School (along Stoetz Lane ca. 1/2 mi. n.w. of its junction w/ Harrison Grade rd.) 228 Comment
  JEPS82292  Brodiaea stellaris Roger Raiche 1983-7-4 30470 Sonoma slope s Gilliam Creek (below Redwood Lake, at convergence of several steep ravines); East Austin Creek Recreation Area 304 Comment
  JEPS79160  Brodiaea terrestris subsp. terrestris N. Harrison 1978-5-10 1571 Sonoma e end Cunningham Marsh (Blucher Creek drainage); Sebastopol, , Blucher Creek Comment
  CAS-BOT-BC486456  Brodiaea terrestris subsp. terrestris H. C. Cantelow 1941-6-7 s.n. Sonoma Open grassy hill top, 4.2 miles north of Jenner Comment
  CAS-BOT-BC486476  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1974-5-19 7447 A Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from (west of) Llano Road. Comment
  CAS-BOT-BC144150  Bromus F. G. Krauss 1895-5-6 s.n. Sonoma Near Franz Valley, Calistoga. Comment
  CAS-BOT-BC144167  Bromus J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma. 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
  CAS-BOT-BC156277  Bromus catharticus G. DeNevers 1981-5-5 931 Sonoma Pepperwood Ranch. In Pippindale Garden. Alos in west arm of Garrison Canyon. Comment
  CAS-BOT-BC155894  Bromus catharticus var. elatus John Thomas Howell 1955-4-14 30148 Sonoma Ranch yard, about 2 miles southeast of Sonoma. Comment
  CAS-BOT-BC332750  Bromus commutatus Peter Rubtzoff 1974-6-2 7525 Sonoma Upper Green Valley Marsh. Comment
  UCD36630  Bromus commutatus Beecher Crampton 1955-6-8 2820 Sonoma Sonoma County, Alexander Valley, along Highway 128, 0.5 mile north of Calistoga cutoff. Comment
  CAS-BOT-BC155661  Bromus diandrus G. DeNevers 1981-4-8 672 Sonoma Pepperwood Ranch. Pippindale Farm. Cresta Stable. 3000 Mark West Springs Road. Comment
  CAS-BOT-BC155669  Bromus diandrus A. A. Heller 1902-4-17 5322 Sonoma Santa Rosa. Comment
  CAS-BOT-BC155670  Bromus diandrus A. A. Heller 1902-4-17 5322 Sonoma Santa Rosa. Comment
  CAS-BOT-BC155245  Bromus hordeaceus David L. Morgan 1961-5-14 s.n. Sonoma 1 mile east of Cotati on Cotati Avenue. Comment
  SEINET11690144  Bromus hordeaceus J. T. Howell, Knight, W.; Knight, I. 21 May 198? 6227 Sonoma Todd Road Preserve 24 Comment
  UCD58820  Bromus hordeaceus var. leptostachys Gerry North 1993-4 24 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At first pullout on right after Pony Gate Gulch Creek by hig rock. 304 Comment
  CAS-BOT-BC162391  Bromus laevipes G. DeNevers 1981-6-27 1705 Sonoma Pepperwood Ranch. Summit of Franz Valley Road. Comment
  UCD58888  Bromus laevipes H. S. Yates 1937-5-30 6543 Sonoma 3 miles WNW of Graton. 60 Comment
  CAS-BOT-BC161581  Bromus sterilis David L. Morgan 1956-4-20 s.n. Sonoma 4 miles southwest of Petaluma on D Street Ext. Comment
  UC1131318  Bromus vulgaris H. S. Yates 1936-5-16 5611 Sonoma 1 mi nw of Mountain View School 91 Comment
  CAS-BOT-BC36914  Cakile maritima var. maritima Mrs. H. C. Cantelow 1940-4-20 2994 Sonoma North of Bay near mouth of Salmon Creek. Comment
  POM232048  Cakile maritima var. maritima Roxana S. Ferris 1937-8-18 9370 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC185408  Calamagrostis bolanderi Greg de Nevers 1996-6-17 10831 Sonoma CYO camp south of Occidental on Bohemian Highway. 121 Comment
  CAS-BOT-BC185414  Calamagrostis bolanderi John Thomas Howell 1947-6-5 23235 Sonoma Cunningham Marsh. Comment
  RSA74317  Calamagrostis bolanderi Anonymous 1947-6-26 s.n. Sonoma Cunningham Marsh ca. 1 mile (airline) southwest of Cunningham Station. Comment
  UCD37161  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma Sonoma County, Sonoma Coast State Park, 8.7 miles south of Stewart's Point. Comment
  UCD57038  Calamagrostis bolanderi P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCD57042  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UC768853  Calamagrostis koelerioides Robert F. Hoover 1941-6-7 5312 Sonoma 2 mi se Monte Rio (on road to Camp Meeker) Comment
  CAS-BOT-BC185128  Calamagrostis nutkaensis John Thomas Howell 1945-5-30 20901 Sonoma Pitkin Marsh. Comment
  CLARK-A1528-4568  Calamagrostis nutkaensis John C. Roos 1950-7-22 4869 Sonoma Jenner 30-60 Comment
  RSA55254  Calamagrostis nutkaensis Timothy S. Ross 1938-7-7 2926 Sonoma Near Ft. Ross. Comment
  RSA74072  Calamagrostis ophitidis Baker 1947-5-30 s.n. Sonoma 2 miles NE of Occidental along Harrison Grade Comment
  UCD57738  Calamagrostis rubescens R. Tofsrud 1951-6-1 s.n. Sonoma north of Sonoma, 'Top-O-The-World' Road, near Bay Area Lookout. Comment
  RSA0065162  Calandrinia breweri Greg de Nevers 1997-4-24 10970 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC438611  Calandrinia ciliata Alice Eastwood; John Thomas Howell 1936-5-19 2498 Sonoma Santa Rosa Comment
  JEPS22749  Calendula arvensis Harry K. Roberts 1959-4-15 Sonoma in orchard at 1385 West College Ave, Santa Rosa Santa Rosa Comment
  NY370199  Callitriche heterophylla var. bolanderi M. A. Nobs 1949-8-1 1106 Sonoma Bog, 2 miles east of Stewart's Point on road to Geyserville Comment
  UC1101513  Callitriche heterophylla var. bolanderi Malcolm A. Nobs 1949-8-1 1106 Sonoma 2 mi e Stewart's Point (on road to Geyserville) Comment
  CAS-BOT-BC293678  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4607 Sonoma Upper Stemple Creek Marsh. Comment
  JEPS101264  Calochortus amabilis Dean W. Taylor 1994-5-4 14221 Sonoma 1.8 mi N of Camp Meeker along Bohemian Hwy; Dutch Bill Cr drainage just downstream confluence with Duvol Creek 76 Comment
  UC496432  Calochortus amabilis Merle Randall 1930-6-11 Sonoma 2 mi from Cazadero (Christopher Ranch) 304 Comment
  UC72483  Calochortus amabilis Milo S. Baker 1898-4-23 29 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC492636  Calochortus luteus A. Day 1982-6-1 82 -62 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC32344  Calochortus raichei Roger Raiche 1986-7-7 60214 Sonoma North of Cazadero, The Cedars, headwaters of Big Austin Crk. near Laton Mine 256 Comment
  JEPS82300  Calochortus raichei Roger Raiche 1983-7-31 30571 Sonoma above Thompson Creek (s-facing slopes of Thompson Ridge); Austin Creek State Recreational Area, Thompson Ridge 243 Comment
  NY319591  Calochortus raichei R. Raiche 1986-7-7 60214 Sonoma N of Cazadero, The Cedars, headwaters of Big Austin Creek, near Laton Mine. 840 Comment
  CAS-BOT-BC132643  Calochortus uniflorus Greg de Nevers 1996-4-18 10791 Sonoma Knights Valley, on Bavarian Lion Ranch; Knight's Valley Marsh on Bavarian Lion Ranch 137 Comment
  UCR255747  Calochortus uniflorus Greg de Nevers 1996-4-18 10791 Sonoma North Coast Range, Knights Valley Marsh, on Bavarian Lion Ranch 137 Comment
  UC762559  Calycadenia multiglandulosa R. F. Hoover 1938-6-14 3610 Sonoma 3 mi w, on road to Occidental Graton Comment
  UC1876151  Calycadenia multiglandulosa Gerald D. Carr 1971-7-6 577 Sonoma Jct. of Facienda Lane and Occidental Rd. Comment
  CAS-BOT-BC270846  Calycadenia pauciflora Marcus E. Jones 1931-7-5 21925 Sonoma The Geysers Comment
  UCD129978  Calycadenia truncata G. F. Hrusa; T. D. Wilfred 1995-12-3 12482 Sonoma Foote Ranch Property at NW base of Mt. St. Helena. Immediately below west base of Chalk Mountain. 500 Comment
  UCR256115  Calycadenia truncata Greg de Nevers 1997-7-29 11072 Sonoma North Coast Range, near Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC89049  Calycadenia truncata Michener and Bioletti 1891-9-7 1220 a Sonoma 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-BC90996  Calycanthus occidentalis A. A. Heller 1902-6-11 5689 Sonoma Santa Rosa Creek. Comment
  CAS-BOT-BC91000  Calycanthus occidentalis H. E. McMinn 1922-6-7 180 Sonoma Near Monte Rio. Comment
  CAS-BOT-BC91009  Calycanthus occidentalis James McMurphy 1909-5-29 s.n. Sonoma Near the Geysers. Comment
  CDA17200  Calycanthus occidentalis G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16199 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  RSA177998  Calycanthus occidentalis R. F. Thorne 1965-4-19 34301 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC91010  Calycanthus occidentalis A. T. Graff 1925-6-7 s.n. Sonoma Trospers. Comment
  JEPS29352  Calypso bulbosa Wayne Roderick 1963-3-2 Sonoma 3 mi nw of Occidental (on Willow Creek Road); Willow Creek Road 304 Comment
  RSA177994  Calypso bulbosa Robert F. Thorne 1965-4-19 34297 Sonoma W of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  JEPS86302  Calystegia Jack and Betty Guggolz 1988-5-8 941 Sonoma Pine Flat Road, 7.9 miles from Highway 128 on east side of the road Comment
  UCD126065  Calystegia collina Jennifer Bury; Peggy Herzog 1993-5-8 275 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. 396 Comment
  CAS-BOT-BC223620  Calystegia collina subsp. oxyphylla R. K. Brummitt; A. Wolf; R. W. Howe 1998-5-15 19859 Sonoma 18 km ENE of Healdsburg, on Ida Clayton Road 4 km above Rte. 128 650 Comment
  CDA36847  Calystegia occidentalis subsp. fulcrata 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
  CHSC114333  Calystegia purpurata D. G. Kelch; A. G. Murdock, Ben Carter 2007-5-13 07 .272 Sonoma Cavedale Rd. 518 Comment
  CAS-BOT-BC224737  Calystegia purpurata subsp. saxicola Alice Eastwood 1915-6-29 4861 Sonoma Bodega Point Comment
  UC105093  Calystegia purpurata subsp. saxicola Katharine Brandegee 1905-6-25 Sonoma Bodega Cliffs Comment
  HSC100881  Calystegia purpurata subsp. saxicola Peter Warner, Sara Gordon 2011-6-20 221 Sonoma Sonoma Coast, State Parks Red Hill parcel, ~80 m E of Hwy. 1, NE of Wright's Beach entrance road. 53 Comment
  UC1299584  Calystegia subacaulis Freed W. Hoffman 1947-4-13 777 Sonoma North Coast Ranges. Near Guerneville, Gilliam Creek. Comment
  JEPS128239  Calystegia subacaulis subsp. subacaulis Roger Raiche 2000-5-4 080 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1042507  Camassia quamash Peter Rubtzoff 1951-6-7 117 Sonoma uppermost part of the w branch of the upper Pitkin Marsh Forestville; Pitkin Marsh Comment
  UC1134551  Camassia quamash E. Armstrong 1934-4-22 1196 Sonoma 1 mi ne of Occidental 91 Comment
  UCD81450  Camissonia ovata M. Wiesendanger 1927-5-5 707 Sonoma Sonoma. Comment
  JEPS19404  Campanula californica G. Thomas Robbins 1938-6-23 269 Sonoma ca 10 mi w Santa Rosa (on Pitkin ranch, Vine Hill region); Vine Hill Comment
  HSC86665  Campanula californica R. W. Becking 1988-8-12 Sonoma Seaside Estate Meadow area W of Hwy. 1 Comment
  SEINET10840069  Campanula californica Baker 1928-6-28 Baker 30468 Sonoma Pitkin Marsh, Vine Hill District Comment
  SEINET10463208  Campanula prenanthoides Rowntree 1931-7-15 ROWNTREE s.n. Sonoma STEWART PT. SKAGGS SPRINGS ROAD SHADY BANK Comment
  CAS-BOT-BC37197  Capsella bursa-pastoris G. DeNevers 1981-4-23 797 Sonoma Pepperwood Ranch. In Pippindale Garden. Comment
  HSC6632  Capsella bursa-pastoris C. S. Chavez 1965-6-3 79 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  CAS-BOT-BC37750  Cardamine californica R. H. Thompson 1880-4-1 s.n. Sonoma Healdsburg. Comment
  CAS-BOT-BC37759  Cardamine californica A. A. Heller; H. E. Brown 1902-3-20 5104 Sonoma Near Windsor. Comment
  UC10411  Cardamine californica Edw. L. Greene 1892-1 Sonoma Knights' Valley Comment
  UCD166729  Cardamine californica Peter Rubtzoff 1962-4-18 4797 Sonoma Freestone marsh. 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
  CAS-BOT-BC384863  Cardionema ramosissimum John H. Thomas 1976-6-15 18289 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC282948  Carduus acanthoides Greg de Nevers 1991-9-16 9771 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road, on ridge above Bechtel house 475 Comment
  SD88411  Carduus pycnocephalus subsp. pycnocephalus Darley F. Howe 1972-4-28 Sonoma Trinity Road, Mt. Hood Range. 120 Comment
  UCD166509  Carduus tenuiflorus Peter Rubtzoff 1962-7-14 4992 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC422345  Carex Peter Rubtzoff 1975-7-3 8145 Sonoma Kenwood Marsh. Comment
  UCR255708  Carex abrupta Peter Rubtzoff 1957-5-4 3307 Sonoma Duncan Mills Marsh 2 Comment
  UCR255709  Carex abrupta Peter Rubtzoff 1957-6-28 3376 Sonoma Duncan Mills Marsh 2 Comment
  CAS-BOT-BC334520  Carex abrupta Peter Rubtzoff 1957-5-4 3296 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC334522  Carex abrupta Peter Rubtzoff 1957-6-28 3376 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC353409  Carex abrupta Peter Rubtzoff 1958-6-1 3691 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road. Comment
  UCR208535  Carex athrostachya Peter Rubtzoff 1960-5-15 4325 Sonoma Fife Creek Marsh [near Guerneville] Comment
  CAS-BOT-BC328120  Carex barbarae Peter Rubtzoff 1974-6-2 7512 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC371452  Carex barbarae Peter Rubtzoff 1953-5-16 1360 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  RSA0022385  Carex barbarae Peter Rubtzoff 1953-5-16 1360 Sonoma Vacation Beach. Near Guerneville. along Russian River. Comment
  SEINET7551510 Image available Carex barbarae Don Pendleton 1993-5-29 5297 Sonoma Westside Road, Russian River Valley, ca. 5 miles SW of Healdsburg. Comment
  SEINET7551513 Image available Carex barbarae John Thomas Howell, J. W. Stacey 1937-6-6 13023 Sonoma Sebastopol. Comment
  UC783  Carex bolanderi J. W. Congdon 1880-5-31 370 Sonoma Santa Rosa Comment
  UCR248865  Carex cusickii Peter Rubtzoff 1958-5-17 3678 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  CAS-BOT-BC18981  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13040 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC18983  Carex densa Peter Rubtzoff 1951-6-10 198 Sonoma The Pitkin Marsh, near Forestville. Between the Upper and the Lower Marshes. Comment
  CAS-BOT-BC18987  Carex densa Lewis S. Rose 1939-5-14 39117 Sonoma Bodega. 30 Comment
  CAS-BOT-BC20240  Carex densa Peter Rubtzoff 1975-7-3 8150 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC20498  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Sonoma County Marshes. Stony Point Marsh. Comment
  CAS-BOT-BC246553  Carex densa Peter Rubtzoff 1958-5-10 3636 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road) Comment
  CAS-BOT-BC18992  Carex densa M. S. Baker 1936-1-1 8196 Sonoma Near Wright School, Highway 12. 4 miles west of Santa Rosa on road to Sebastopol. Comment
  CAS-BOT-BC20474  Carex densa G. DeNevers 1981-3-25 570 Sonoma Pepperwood Ranch. North of 3 Tree Hill. Comment
  CAS-BOT-BC20508  Carex densa Peter Rubtzoff 1958-4-26 3603 Sonoma Sonoma County Marshes. Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC20518  Carex densa John Thomas Howell 1943-5-10 17991 Sonoma 1.75 mile N of Windsor. Comment
  UCD112441  Carex densa Peter Rubtzoff 1975-7-3 8150 Sonoma Kenwood Marsh. Comment
  RSA94279  Carex dudleyi Peter Rubtzoff 1951-6-16 245 Sonoma N half of lower Pitkin Marsh, SE of Forestville Comment
  UCR250395  Carex exsiccata Peter Rubtzoff 1954-7-4 1535 Sonoma Duncan Mills Marsh, upper portion of marsh 2 Comment
  CAS-BOT-BC20137  Carex feta Peter Rubtzoff 1952-1-1 1093 Sonoma Pitkin Marhses near Forestville. Eastern Branch of the Upper Marsh. Comment
  RSA0022348  Carex feta Peter Rubtzoff 1975-7-3 8147 Sonoma Kenwood Marsh. Comment
  UCD112453  Carex feta Peter Rubtzoff 1961-6-17 4619 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC28330  Carex gracilior Henry Nicholas Bolander 1866-3-1 4635 Sonoma Petaluma. Comment
  UCD112358  Carex gracilior Peter Rubtzoff 1958-5-10 3635 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC246557  Carex harfordii Peter Rubtzoff 1954-6-20 1499 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC22297  Carex hassei Alice Eastwood; John Thomas Howell; J. W. Stacey 1937-5-31 4496 Sonoma 2 miles south of Gualala River, Sonoma Coast. Comment
  CAS-BOT-BC311813  Carex hendersonii Peter Rubtzoff 1957-5-4 3302 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC31171  Carex lemmonii John Thomas Howell 1957-6-13 32621 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC31173  Carex lemmonii John Thomas Howell 1945-5-30 20889 Sonoma Pitkin 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
  CAS-BOT-BC32524  Carex lemmonii John Thomas Howell; John William Stacey 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  UC766046  Carex lemmonii R. F. Hoover 1939-5-30 4111 Sonoma near Sebastopol (marsh on Perry's Twin Pines Ranch (= Perry Marsh)) Comment
  UCR248945  Carex leporina Peter Rubtzoff 1966-6-5 5758 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC422366  Carex nudata Peter Rubtzoff 1962-5-6 4811 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  RSA0015489  Carex nudata Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  RSA0022388  Carex nudata Peter Rubtzoff 1962-5-6 4811 Sonoma Vacation Beach, 2 mi below Guerneville along Russian River. Comment
  CAS-BOT-BC119307  Carex obnupta John Thomas Howell; J. W. Stacey 1936-7-26 12676 Sonoma Pitkin Marsh, 5 mi N of Sebastopol. Comment
  JEPS63537  Carex obnupta W. L. Jepson 1931-7-19 15953 Sonoma Russian River near Markham; Russian River 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
  RSA94268  Carex obnupta Peter Rubtzoff 1952-5-10 1022 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC119280  Carex ovalis Peter Rubtzoff 1951-7-7 378 Sonoma Pitkin Marsh, near Forestville. Eastern Branch of the Upper Marsh. Comment
  CAS-BOT-BC320582  Carex ovalis Peter Rubtzoff 1966-6-5 5758 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC320469  Carex pachystachya Peter Rubtzoff 1974-6-2 7504 Sonoma Upper Green Valley Marsh. Comment
  JEPS117098  Carex pachystachya Peter Warner 2010-7-7 170 Sonoma Jenner Headlands, Middle Pasture, ~ 565 m, S 223 deg W of residence house Comment
  POM230033  Carex pellita J. T. 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
  SEINET7572506 Image available Carex preslii Andrew L. Hipp, Glen C. Clifton 1999-5-27 334 a Sonoma City of Santa Rosa. Comment
  CAS-BOT-BC419695  Carex serratodens Peter Rubtzoff 1962-6-19 4933 Sonoma Occidental Marsh. Comment
  UCD167210  Carex serratodens James Neilson 1977-4-24 3883 Sonoma Mayacmas Mountains, south side of Pine Mt. (Exact location unknown, coordinates estimated by label maker.) Comment
  NY11335  Carex sonomensis T. J. Howell 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  RSA0000226  Carex sonomensis J. T. Howell, J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC173805  Carex stipata Peter Rubtzoff; Nancy Harrison 1978-5-20 9178 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  CAS-BOT-BC117355  Carex stipata var. stipata Peter Rubtzoff 1951-6-30 306 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC117358  Carex stipata var. stipata John Thomas Howell; J. W. Stacey 1937-6-6 13021 Sonoma Sebastopol Comment
  HSC7082  Carex subbracteata L. S. Rose 1964-6-3 64052 Sonoma N end of Bodega Bay swamp 2 Comment
  SEINET7577068 Image available Carex subbracteata Andrew L. Hipp, Glen C. Clifton 1999-5-27 343 Sonoma Santa Rosa, west of city on Coleman Valley Road. 305 Comment
  UCR248923  Carex subbracteata Peter Rubtzoff 1962-6-1 4868 Sonoma Freestone Marsh 79 Comment
  CAS-BOT-BC312703  Carex subbracteata Peter Rubtzoff 1955-5-14 1845 Sonoma Duncans Mills Marsh area above the marsh, along a western tributary of Orrs Creek. Comment
  CAS-BOT-BC312707  Carex subbracteata var. subbracteata Peter Rubtzoff 1974-6-2 7506 Sonoma Upper Green Valley Marsh. Comment
  UCSB51193  Carpobrotus chilensis 1976-5-1 Sonoma Bluff above N. Salmin Creek Beach, Sonoma Co. State Beaches 18 Comment
  CDA36813  Carthamus creticus D. B. Joley, W. J. Ferlatte 1976-1 24 Sonoma Petaluma Hill Rd. 0 Comment
  UC1278013  Carthamus lanatus B. Crampton 1957-7-22 4356 Sonoma 15.2 mi w of, on road to Stewart's Point Skagg's Springs Comment
  SEINET13331044 Image available Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma 0.25 acre of weed scattered over 2 acres, abundant on both slopes of the dam of a reservoir, about 1 mi. W. of the Asti turn-off of the freeway, Hwy 101, Asti Comment
  UCD129939  Carthamus leucocaulos P. F. Knowles 1969-9-23 18901 Sonoma 1 mile west of Asta. Comment
  UCR18581  Carthamus tinctorius John C. Roos, L. Roos 1959-9-2 6599 Sonoma North Coast Ranges, Healdsburg, Healdsburg dump Comment
  CAS-BOT-BC371467  Caryophyllaceae Greg de Nevers 1993-5-30 10468 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa along Piney Canyon Rd. from Bald Hills 400 Comment
  CAS-BOT-BC249236  Castilleja affinis Milo S. Baker 1924-4-27 102 Local-'24 Sonoma Road to Coopers Grove Comment
  SEINET7042572  Castilleja affinis A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  JEPS19388  Castilleja affinis subsp. affinis G. Thomas Robbins 1940-3-24 309 Sonoma about 6 mi e Santa Rosa (on Rincon Grade); Rincon Grade 167 Comment
  UC353895  Castilleja affinis subsp. affinis Milo S. Baker 1927-5-7 2125 a Sonoma Fitzsimmons Grade to Adobe Canyon Comment
  CDA41344  Castilleja ambigua T. C. Fuller 1958-5-24 4013 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  JEPS22231  Castilleja ambigua subsp. ambigua Rimo Bacigalupi with members of Dr. Herbert G. Baker's class 1958-5-24 6361 Sonoma n of Sebastopol (ground above Pitkin Marsh); Vine Hill Region 60 Comment
  UC103162  Castilleja ambigua subsp. ambigua J. W. Congdon 1880-5-24 Sonoma Petaluma Comment
  UC1239027  Castilleja attenuata Freed W. Hoffman 1947-4-3 881 Sonoma near Guerneville (road to Austin Ranch, headwaters of Fife Creek); North Coast Ranges, Fife Creek Comment
  UCD151301  Castilleja foliolosa James A. Neilson Jr. 1974-7-26 2865 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 Comment
  UCD122479  Castilleja foliolosa Frederica Bowcutt 1996-5-24 1926 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Brushy Peaks Trail about 1/2 mile of Gray Pine Trail. 670 Comment
  JEPS10644  Castilleja rubicundula subsp. lithospermoides W. L. Jepson 1921-6-3 9312 Sonoma Cotati Valley 28 Comment
  JEPS3672  Castilleja subinclusa subsp. franciscana C. R. Bell 1951-4-29 1103 Sonoma near Bodega; Larkspur Rock Comment
  JEPS86334  Castilleja subinclusa subsp. franciscana Jack and Betty Guggolz 1988-4-4 908 Sonoma Sotoyome Land Grant; e side of crest of ridge Comment
  JEPS33889  Castilleja wightii Lloy Thurman and Ted Crovello 1964-4-12 Sonoma about 5 mi s Jenner (along the coast (Highway 1)) Comment
  POM180613  Castilleja wightii J. T. Howell 1930-6-8 5281 Sonoma 8.5 miles north of Bodega Bay. Comment
  CAS-BOT-BC47805  Ceanothus James McMurphy 1909-5-29 s.n. Sonoma ridge south of the Geysers Comment
  CAS-BOT-BC48508  Ceanothus confusus Walter Knight 1963-4-28 s.n. Sonoma Head of Adobe Canyon, south part of Hoods Peak Comment
  CAS-BOT-BC48518  Ceanothus confusus Milo S. Baker 1939-3-20 9244 Sonoma ca. 4 mi. north of Santa Rosa on road past County Hospital Comment
  SBBG119965  Ceanothus confusus A. Howald 2007-4-2 2457 Sonoma Peirson Rd, ca. 0.6 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 280 Comment
  UC1281313  Ceanothus confusus H. E. McMinn 1941-4-27 5322 Sonoma Rincon Ridge Comment
  RSA0005481  Ceanothus confusus J. T. Howell 1937-4-11 12897 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  UCD111374  Ceanothus confusus L. Whitney Date unknown s.n. Sonoma University Hill. Comment
  UCD162813  Ceanothus cuneatus D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2015-3-8 1685 Sonoma Hooker Creek watershed. 590 Comment
  UC70420  Ceanothus cuneatus var. cuneatus Milo S. Baker 1898-6-11 652 Sonoma Little Sulphur Creek Comment
  CAS-BOT-BC49695  Ceanothus cuneatus var. ramulosus Milo S. Baker 1924-4-25 97 Loc-24 Sonoma Road to Cooper Grove Comment
  RSA114009  Ceanothus divergens subsp. confusus Milo S. Baker 1939-3-20 9244 Sonoma Top of hill 4 miles N of Santa Rosa on road past County Hospital Comment
  UCD162164  Ceanothus foliosus D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1517 Sonoma Hooker Creek watershed. 520 Comment
  POM126433  Ceanothus foliosus H. P. Chandler 1907-4-27 7544 Sonoma St. Helena to Santa Rosa via spring Mt. Comment
  SEINET13945873 Image available Ceanothus foliosus Lewis S. Rose 1955-1 55061 Sonoma Junction of Vine Hill & School Raods, 10 mi W of Santa Rosa, alt 150 ft 46 Comment
  CAS-BOT-BC64422  Ceanothus foliosus subsp. vineatus W. R. Hildreth 1967-10-3 1071 Sonoma Vine Hill School rd., ca. 1/2 mi. e. of Vine Hill Road. 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
  JEPS128180  Ceanothus foliosus var. foliosus Roger Raiche 2001-5-17 021 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UC1254089  Ceanothus foliosus var. foliosus J. A. Delapp 1964-3-20 72 Sonoma Black Mountain 487 Comment
  UC1280764  Ceanothus foliosus var. foliosus H. E. McMinn 1941-4-26 5319 Sonoma Ricon Ridge Comment
  RSA164633  Ceanothus foliosus var. vineatus Percy C. Everett 1963-11-21 24563 Sonoma Vine Hill School Rd., west of Vine Hill School. N of Sebastopol. 76 Comment
  UCD112131  Ceanothus foliosus var. vineatus Roman Gankin; W. R. Hildreth 1967-10-3 1071 Sonoma Vine Hill School Road, 1/2 mile east of Vine Hill Road. Comment
  SBBG27258  Ceanothus gloriosus var. exaltatus C. B. Wolf 1941-7-30 4389 Sonoma 8.5 mi S of Stewart's Pt, at entrance to Salt Pt Ranch 30 Comment
  UC631633  Ceanothus gloriosus var. exaltatus G. Thomas Robbins 1940-3-22 300 Sonoma Guerneville road, Vine Hill region, about 8 1/2 miles west of Santa Rosa. 45 Comment
  UC870564  Ceanothus gloriosus var. exaltatus Leo Koch 1938-5-26 165 Sonoma transplanted from Vine Hill near type locality Santa Rosa (Junior College). Comment
  UCD112150  Ceanothus gloriosus var. exaltatus Roman Gankin 1966-3-3 694 Sonoma east of Occidental Ridge on Graton Road, 2.5 miles east of Occidental. 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
  UC1280768  Ceanothus gloriosus var. gloriosus H. E. McMinn 1938-6-20 5129 Sonoma Stewarts Point to Gualala. Comment
  SDSU10319  Ceanothus integerrimus D. F. Howe 1963-5-23 3529 Sonoma 4.0 miles N of Cloverdale on #128. 335 Comment
  UCD36545  Ceanothus integerrimus Beecher Crampton 1954-4-26 1795 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  CAS-BOT-BC50642  Ceanothus jepsonii John Thomas Howell 1933-4-2 10959 Sonoma 2 miles e. of Occidental Comment
  JEPS46062  Ceanothus jepsonii Eleanor Armstrong 1933-4-15 790 Sonoma Camp Meeker 289 Comment
  SEINET12211105  Ceanothus jepsonii F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -240 Sonoma end of Stoetz Road 200 Comment
  CHSC93632  Ceanothus jepsonii var. albiflorus C. L. Schmidt 1987-2-27 1141 Sonoma Dorman Canyon Road, across small canyon from Bradford Mtn. ca. 10 miles NE of Healdsburg. 180 Comment
  UCD160147  Ceanothus oliganthus var. sorediatus James A. Neilson Jr. 1974-4-24 2717 Sonoma Mayacmas Mountains, Squaw Creek drainage, at site of geothermal well Ottoboni 17. (Exact location of Ottoboni 17 unknown; this record is georeferenced along Ottoboni Ridge Road in The Geysers; elevation estimated by label-maker). 967 Comment
  CAS-BOT-BC51876  Ceanothus parryi John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54689 Sonoma Bouverie Audobon Preserve, about 1.5 miles East of Glen Ellen near Stuart Creek 137 Comment
  SD88409  Ceanothus parvifolius D. F. Howe 1972-4-28 Sonoma Trinity Road, Mt. Hood Range 395 Comment
  LA44966  Ceanothus prostratus Milo S. Baker; 1933-5-26 7338 Sonoma Rincon Ridge about 2 mi. NE of Santa Rosa Comment
  SBBG26768  Ceanothus sonomensis J. T. Howell 1935-5-5 Sonoma Triniti Mtn 2 mi NE of Glen Ellen Comment
  UC1010755  Ceanothus sonomensis Peter H. Raven 1954-2-27 6428 Sonoma Hoods Peak Range, mountain side on N side of Hooker Creek. 609 Comment
  UC1299588  Ceanothus sonomensis Freed W. Hoffman 1947-3-12 754 Sonoma Trinity road, northeast of Kenwood, Napa Range, west slope Comment
  SEINET12210783  Ceanothus sonomensis W. Knight, Knight, I. 1982-1 4501 Sonoma Tilden Botanic Garden, Berkeley Comment
  SEINET12211278  Ceanothus sonomensis W. Knight, Schmidt, C. 1987-1 6055 Sonoma Cavedale Road 274 Comment
  RSA606274  Ceanothus velutinus Jon E. Keeley 1993-9-11 24801 Sonoma Chaparral on S side of N Peak, Mt. St. Helena. 1050 Comment
  CDA7232  Centaurea iberica Bremner 1929-8-5 Sonoma Healdsburg region. 0 Comment
  UCD130101  Centaurea solstitialis Gerry North 1993-4 28 Sonoma Sugarloaf Ridge State Park. About 40 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. 60 meters south of vista point at old slide, northeast side of road. 335 Comment
  CAS-BOT-BC288815  Centromadia fitchii Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  UC75838  Centromadia fitchii Miss M. Alice King 1897-6-1 Sonoma near Healdsburg Comment
  CAS-BOT-BC279396  Centromadia pungens subsp. pungens James I. McMurphy 1909-8-9 712 Sonoma Summit, hills between Sonoma and Petaluma Comment
  CAS-BOT-BC384974  Cerastium arvense Roxana S. Ferris 1940-3-21 9840 Sonoma About 1/2 mi. n. of Fort Ross on State Highway #1 Comment
  UC1026472  Cerastium glomeratum Peter Rubtzoff 1952-5-10 1012 Sonoma Pitkin Marsh near Forestville (lower part of Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC388434  Cerastium glomeratum Alice Eastwood 1921-4-24 10382 Sonoma Santa Rosa Comment
  CAS-BOT-BC207634  Cercis occidentalis James McMurphy 1909-5-29 s.n. Sonoma Grade between Black Mountain and Geyser Mountain Comment
  UCD105656  Cercis occidentalis S. M. Smuckler 1995-6-3 12 Sonoma Highway 128, 1 mile west of Monticello Dam, 50 m from Lake Berryessa. 200 Comment
  UCD160819  Chaenactis glabriuscula var. heterocarpha James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3434 Sonoma Section 10, ca. 1.5 miles west of The Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  CAS-BOT-BC279786  Chamaemelum fuscatum M. S. Baker 1940-5-18 9505 Sonoma 101 n. of Cloverdale on s. slope of hill near top of Swiss Italian Colony at Asti Comment
  CAS-BOT-BC166751  Chenopodium Peter Rubtzoff 1971-7-23 6617 Sonoma Laguna, Chileno Valley. Comment
  RSA783837  Chenopodium Peter Rubtzoff 2012-3-7 8370 Sonoma South side of American River in the vicinity (west) of Watt Ave. bridge. Comment
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Sep 29 2013
  JEPS54472  Chenopodium ambrosioides Rimo Bacigalupi and L. R. Heckard, and Peter Rubtzoff 1967-8-30 9317 Sonoma near Pitkin family farmhouse; Pitkin Marsh 53 Comment
  SEINET5763969 Image available Chenopodium ambrosioides H. S. Reed 1948-1 2025 Sonoma Sonoma Creek, near Kenwood Comment
  RSA201186  Chenopodium botrys Peter Rubtzoff 1965-8-22 5615 Sonoma Russian River bottom at Forest Hills (5.5 miles E of Guerneville). Comment
  CAS-BOT-BC499252  Chlorogalum pomeridianum Peter Rubtzoff 1951-8-18 617 Sonoma Pitkin Marsh, near Forestville, uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC499261  Chlorogalum pomeridianum J. W. Congdon 1880-5-1 s.n. Sonoma unspecified Comment
  CAS-BOT-BC499263  Chlorogalum pomeridianum Roxana S. Ferris; Laura Lorraine 1961-6-14 13527 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  RSA143967  Chlorogalum pomeridianum var. pomeridianum Roxana S. Ferris, Laura Lorraine 1961-6-14 13527 Sonoma Junction of Bittner Rd. with Joy Rd. between Occidental and Bodega. Comment
  UC126079  Chorizanthe cuspidata var. villosa Katharine Brandegee June 1905 Sonoma Bodega Point Comment
  UC849179  Chorizanthe cuspidata var. villosa Alice Eastwood 1915-6-29 4832 Sonoma Bodega Point Comment
  SD8120  Chorizanthe membranacea Michener, Bioletti 1892-5-30 521 a Sonoma Hoods Peak Comment
  CAS-BOT-BC257011  Chorizanthe membranacea H. N. Bolander 1860-1-1 3959 Sonoma At the geysers Comment
  SEINET7067231  Chrysanthemum segetum A. G. Vestal 1947-5-12 s.n. Sonoma About 3 miles east of Bodega Bay. Coordinate datum: NAD27. UTM Zone 10, 500177mE, 4243446mN. Comment
  UCR249045  Cirsium Peter Rubtzoff 1960-9-14 4547 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  JEPS59209  Cirsium occidentale var. occidentale unknown 1925-7-25 86 Sonoma Bodega Pt. Comment
  CAS-BOT-BC280362  Cirsium occidentale var. venustum Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC280371  Cirsium occidentale var. venustum A. A. Heller 1902-6-24 5753 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC280535  Cirsium quercetorum Roxana S. Ferris 1932-5-27 8255 Sonoma North end of Bodega Bay Comment
  CAS-BOT-BC280538  Cirsium quercetorum John Thomas Howell 1937-6-6 13047 Sonoma 7 miles n. of Petaluma on Stony Point road Comment
  CAS-BOT-BC285747  Cirsium remotifolium Greg de Nevers 1997-6-7 11017 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. On Ken's Restaurant Trail 457 Comment
  RSA594919  Clarkia John H. Thomas 1955-5-22 5182 Sonoma Along St. Helena Road and West Creek, 1.2 miles W of Sonoma - Napa County line, 6 miles from St. Helena 457 Comment
  UC112986  Clarkia amoena subsp. amoena Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  CAS-BOT-BC161046  Clarkia amoena subsp. amoena Alva Day 1982-6-1 82 -68 Sonoma Pepperwood Ranch. Franz Valley Rd. Comment
  JEPS731  Clarkia amoena subsp. huntiana W. L. Jepson 10009 Sonoma Sonoma Canyon Kenwood Comment
  POM37827  Clarkia amoena subsp. huntiana Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan s Mills Comment
  CAS-BOT-BC163513  Clarkia amoena subsp. huntiana Peter Rubtzoff 1951-8-26 688 Sonoma At base of hill near the road from East Guernewood to Vacation Beach (Guerneville region) Comment
  CAS-BOT-BC172202  Clarkia concinna Mark Okada 1975-5-25 s.n. Sonoma Route 128, north of Cloverdale Comment
  JEPS43617  Clarkia concinna subsp. concinna Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  UC762861  Clarkia gracilis subsp. gracilis Robert F. Hoover 1941-5-14 5083 Sonoma 3 mi s Monte Rio (on road to Camp Meeker) Comment
  RSA60765  Clarkia gracilis subsp. sonomensis A. A. Heller 1902-6-10 5682 Sonoma Santa Rosa Comment
  UC930766  Clarkia gracilis subsp. sonomensis Alice Eastwood 1915-6-5 4592 Sonoma Petrified Forest Comment
  CAS-BOT-BC163141  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
  CAS-BOT-BC163149  Clarkia imbricata Peter Rubtzoff 1952-7-20 1308 Sonoma Pitkin Ranch, Nine Hill region Comment
  SD51810  Clarkia imbricata Peter H. Raven, Richard Snow 1958-7-23 13691 Sonoma Very near type locality; common in grassy field at 4551 Vine Hill Road near Pitkin Marsh. Comment
  UC20370  Clarkia purpurea subsp. quadrivulnera F. T. Bioletti 1892-1 Sonoma Hood's Peak Comment
  CAS-BOT-BC165671  Clarkia unguiculata A. A. Heller 1902-6-11 5686 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  UC1057472  Claytonia exigua subsp. exigua G. Thomas Robbins 1940-3-21 296 Sonoma 506 mi e Windsor (Barnes Creek Canyon, e of Chalk Hill Road); Barnes Creek Canyon 121 Comment
  UC1136706  Claytonia exigua subsp. exigua E. Armstrong 1934-3-26 926 Sonoma 2 mi nw Camp Meeker; Sebastopol Quad. 121 Comment
  CAS-BOT-BC439415  Claytonia gypsophiloides Alice Griffin 1922-4-1 s.n. Sonoma El Verano Comment
  UC765773  Claytonia gypsophiloides R. F. Hoover 1939-4-18 4044 Sonoma 3 mi w Graton (on road to Occidental) Comment
  CAS-BOT-BC439398  Claytonia gypsophiloides Barrett Anderson 1986-4-9 2875 Sonoma Ida Clayton Rd N of Kellogg. 745 Comment
  CAS-BOT-BC439406  Claytonia gypsophiloides F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  UC480640  Claytonia gypsophiloides Carl Meyer 1929-3-29 Sonoma Comment
  SEINET7075542  Claytonia parviflora A. G. Vestal 1955-5-6 s.n. Sonoma About 2.5 miles east of Occidental on the Occidental Road. 38? deg. 24' 30" North Latitude, -122? deg. 54' 3" West Longitude. UTM Zone 10, 508655mE, 4250919mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  RSA388344  Claytonia perfoliata Gary Bolton 1975-4-19 3 Sonoma Bay Road, 200m E of P G & E hole, Bodega Head Comment
  HSC100950  Clematis lasiantha Peter Warner 2011-5-3 189 Sonoma Jenner Headlands, lower Middle Pasture, 593 m, W359 deg. N from 'deep curve' in Hwy. 1 at gulch under-crossing , ~1.6 km NW of Jenner Village, W of north-middle gulch fork. 161 Comment
  SEINET12329976  Collinsia heterophylla F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -206 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 440 Comment
  JEPS3847  Collinsia sparsiflora var. arvensis Eleanor Armstrong 1933-4-1 664 Sonoma near Camp Meeka 30 Comment
  RSA41892  Collinsia sparsiflora var. arvensis H. C. Cantelow 1936-4-11 1221 Sonoma Bet. Shellville and Napa. Comment
  UC1238979  Collinsia tinctoria Freed W. Hoffman 1948-8-2 2356 Sonoma Spring Mountain Road to St. Helena near summit St. Helena; North Coast Ranges, Spring Mountain Road 609 Comment
  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
  UC23137  Convolvulus arvensis Alice King May 1897 Sonoma Healdsburg Comment
  UC73524  Convolvulus arvensis Miss M. Alice King May 1897 Sonoma near Healdsburg Comment
  SBBG33944  Cordylanthus pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge, E of Santa Rosa 91 Comment
  UC26341  Cordylanthus pilosus subsp. pilosus F. T. Bioletti 1892-9-5 Sonoma Comment
  JEPS77679  Cordylanthus tenuis subsp. capillaris Margaret J. Williams 1978-7-16 78- 228 -4 Sonoma near Occidental Comment
  UC1239007  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1946-8-14 784 Sonoma e Camp Meeker (on serpentine island); North Coast Ranges Comment
  UCD123140  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1962-4-6 62078 Sonoma 2 mi. NE of Occidental. 182 Comment
  CAS-BOT-BC209723  Cornus Peter Rubtzoff 1987-7-18 9797 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Along the river off Summerhouse Park Road 0.2 mile from (west of) Forest Hills Road Comment
  RSA0034034  Cornus Peter Rubtzoff 1987-7-18 9797 Sonoma Russian River at Forest Hills, ca. 5.5 miles east of Guerneville. Along river, off Summerhouse Park Road, 0.2 miles west of Forest Hills Road. Comment
  CAS-BOT-BC210435  Cornus sericea Peter Rubtzoff 1958-5-3 3615 Sonoma Atascadero Creek Marsh Comment
  UCD117098  Cornus sericea subsp. occidentalis Peter Rubtzoff 1951-6-16 213 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  UCR248518  Cornus sericea subsp. occidentalis Peter Rubtzoff 1987-7-18 9797 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Along river, off Summerhouse Park Road, 0.2 miles west of Forest Hills Road 13 Comment
  UC723024  Coronopus didymus C. L. Hitchcock, J. S. Martin 1939-7-15 5445 Sonoma below Bodega State Park Comment
  CHSC118276  Cotoneaster franchetii Barbara L. Wilson 2015-9-22 18824 Sonoma Santa Rosa, Howarth Lake. 71 Comment
  CAS-BOT-BC290297  Cotula coronopifolia Peter Rubtzoff 1952-5-10 1011 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC173836  Cotula coronopifolia Peter Rubtzoff 1958-5-17 3660 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occiental Road). Comment
  CAS-BOT-BC427649  Crassula aquatica Peter Rubtzoff 1959-4-19 4040 Sonoma Laguna de Santa Rosa east of Sebastopol, near Santa Rosa road crossing. Comment
  CAS-BOT-BC427690  Crassula connata A. A. Heller; H. E. Brown 1902-4-14 5286 Sonoma Near Mark West Springs Comment
  JEPS86784  Crassula solieri Reid Moran, Chas. Quibell 1991-5-15 31053 Sonoma 1 km. e. Glen Ellen (Rte. 12 0.5 km s. of Arnold Dr., Sonoma Valley Regional Park); Sonoma Valley Regional Park 110 Comment
  UCD101816  Crassula solieri Reid Moran; Chas. Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1 km E of Glen Ellen (Rt. 12, 0.5 km S of Arnold Drive.) 110 Comment
  RSA123352  Crataegus suksdorfii H. S. Yates 1934-4-21 3783 Sonoma Near Bodega. 61 Comment
  CDA4432  Crepis capillaris T. C. Fuller 1966-6-2 14859 Sonoma East limits of Bodega. 0 Comment
  SBBG30057  Cressa truxillensis M. S. Baker 1946-1 11710 Sonoma less than 1 mi N of jct of Sears Pt Cutoff and Black Pt Hwy Comment
  JEPS75423  Crupina vulgaris Ken Stocking 1976-6-27 Sonoma se of Bennett Valley golf course (City of Santa Rosa land); Santa Rosa Comment
  CDA4472  Crupina vulgaris Willa May Lowary 1976-10-25 Sonoma From seed germinated in the Seed Laboratory, transferred to potting mix 7 September 1976; seed collected at Santa Rosa, Sonoma County, 7 July 1976. 0 Comment
  CAS-BOT-BC190147  Crypsis schoenoides Peter Rubtzoff 1963-9-21 5269 Sonoma Laguna de Santa Rosa east of Graton. Comment
  UCD148407  Cucurbita foetidissima Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa, N of Sebastopol (near Occidental Road). Comment
  SEINET10569437  Cupressus William H. Brewer 1861-11-9 Brewer s.n. 1861 Sonoma Near the little Geysers Comment
  CAS-BOT-BC85429  Cupressus sargentii W. Knight; Irja Knight 1964-11-15 799 Sonoma Hood's Peak - N.W. edge of meadow above Johnson Dam Comment
  CAS-BOT-BC85474  Cupressus sargentii Lewis Samuel Rose 1955-7-11 55113 Sonoma 2 mi. e. of Occidental 243 Comment
  UC1193104  Cupressus sargentii R. H. Neuns 1950-5-5 105 Sonoma 2.5 mi w Mercuryville (Quad 60B4) 914 Comment
  UC618967  Cupressus sargentii E. Armstrong 1934-3-26 923 Sonoma 2 mi n Camp Meeker; Sebastopol Quadrangle Comment
  UCD67619  Cupressus sargentii D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. 800 Comment
  UC1794404  Cuscuta howelliana Nancy Harrison 1979-7-26 2072 Sonoma False Lake Meadow, mid-point of drainage, Annadel State Park Comment
  UC727760  Cuscuta pentagona Milo S. Baker 1946-8-17 11559 Sonoma The Laguna, at the crossing of the Occidental Rd The Laguna Comment
  RSA788849  Cuscuta pentagona Peter Rubtzoff 1970-9-8 6384 Sonoma Sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  JEPS16557  Cymopterus terebinthinus var. californicus Rimo Bacigalupi with G. T. Robbins and Freed Hoffman 1956-5-30 5663 Sonoma near Layton Chromite Mine (headwaters of Big Austin Creek, vicinity of The Cedars) 266 Comment
  SEINET180832  Cynoglossum grande E. Tucker 1936-4-5 Sonoma Camp Meekee Comment
  POM202745  Cynoglossum grande I. L. Wiggins 1932-3-12 5760 Sonoma Between Franz Valley and Knight s Valley. Comment
  CAS-BOT-BC320564  Cynosurus Peter Rubtzoff 1974-5-25 7460 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC331482  Cynosurus Peter Rubtzoff 1969-8-29 6165 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  CAS-BOT-BC190434  Cynosurus echinatus G. DeNevers 1981-5-11 1121 Sonoma Pepperwood Ranch. By the Garrison Gate. Comment
  CAS-BOT-BC190436  Cynosurus echinatus Barrett Anderson 1987-4-27 3475 Sonoma Petaluma, south of El Rose and west of D Street. 120 Comment
  CAS-BOT-BC190474  Cynosurus echinatus Roxana S. Ferris; Laura Lorraine 1948-6-9 11663 Sonoma 11 miles from Geyserville on road to Kellogg. Comment
  RSA0023081  Cynosurus echinatus Peter Rubtzoff 1974-5-25 7460 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC114773  Cyperus acuminatus Gregory Clark de Nevers 1981-6-6 1493 Sonoma At the marshy spring on the S slope of Telegraph Hill E of the road, above cow trough. Comment
  CAS-BOT-BC114713  Cyperus difformis Peter Rubtzoff 1956-9-16 2919 Sonoma Vacation Beach near Guerneville. Open muddy margin of a pool on Russian River bottom. Comment
  CAS-BOT-BC114511  Cyperus eragrostis Saichi Kawahara 1968-8-27 475 Sonoma West bank of Russian River off Hwy 116, 1/2 mi E of Duncan Mills. 3 Comment
  CAS-BOT-BC114519  Cyperus eragrostis Walter Knight; Irja Knight 1963-10-1 381 Sonoma Railroad Ave & freeway, Cotati. Comment
  CAS-BOT-BC114434  Cyperus erythrorhizos Peter Rubtzoff 1963-9-21 5270 Sonoma Laguna de Santa Rosa E of Graton. Comment
  UC688870  Cyperus niger Freed Hoffman 1943-10-26 Sonoma overflow pool of Russian R. Guerneville 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
  UC410708  Cypripedium californicum A. L. Graff 1928-5-22 Sonoma headwaters of Austin Creek Comment
  CAS-BOT-BC70722  Cystopteris fragilis Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC329230  Dactylis Peter Rubtzoff 1968-7-13 5921 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC189801  Dactylis glomerata Peter Rubtzoff 1962-6-19 4926 Sonoma Occidental Marsh. Comment
  UCD60294  Dactylis glomerata Collector unknown 1941-5-1 Sonoma Garden in Santa Rosa. Comment
  UCR248714  Dactylis glomerata Peter Rubtzoff 1968-7-13 5921 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC192266  Danthonia californica G. DeNevers 1982-5-2 1972 Sonoma Pepperwood Ranch 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
  UCD60309  Danthonia californica P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified Forest Road. Comment
  UCR280018  Danthonia californica Peter Rubtzoff 1974-5-18 7414 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  RSA14422B  Danthonia californica var. americana J. T. Howell 1935-5-5 12611 Sonoma Low hills, 6 miles from Santa Rosa on road to Sonoma Comment
  UCD32527  Danthonia californica var. americana Beecher Crampton 1954-5-9 1838 Sonoma Sonoma County, road to Santa Rosa, 4 miles west of Calistoga. Comment
  UCD60684  Danthonia californica var. americana Beecher Crampton 1954-5-9 1838 Sonoma 4 miles west of Calistoga. Comment
  RSA0020090  Datura stramonium Peter Rubtzoff 1971-8-23 6651 Sonoma Laguna, Chileno Valley. Comment
  SJSU396  Daucus carota A. W. Jacobs 1938-6-15 Sonoma W bank Russian R near Hilton Comment
  UCD126489  Daucus pusillus Frederica Bowcutt 1984-6-23 454 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County Coast. West of Highway 1, about 1/2 mile north of Gerstle Cove. 15 Comment
  CAS-BOT-BC293810  Deinandra corymbosa Mary M. Hektner 1975-8-14 223 Sonoma Road cut not far from hedgerow separating Units 28 and 34-A Owners' Map, Sea Ranch, near State Highway 1 Comment
  CAS-BOT-BC293812  Deinandra corymbosa Walter Knight; Irja Knight 1965-9-13 1190 Sonoma Lohrman Lane near firehouse. Petaluma Comment
  UC405403  Deinandra corymbosa P. B. Kennedy 1914-10-1 Sonoma Comment
  CAS-BOT-BC9018  Delphinium decorum John Thomas Howell 1931-4-18 6413 Sonoma Larkspur Rock near Bodega Bay Comment
  RSA31776  Delphinium decorum A. A. Heller 1938-5-14 15089 Sonoma East of Bodega Bay. Comment
  UC72779  Delphinium decorum subsp. tracyi Milo S. Baker 1898-4-4 Sonoma near Sea View Comment
  RSA264777  Delphinium hesperium Peter Rubtzoff 1974-5-25 7465 Sonoma Hwy 116, 2 miles W of Forestville Road cut (of Hwy 116) in forest Comment
  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
  UC1126021  Delphinium luteum H. S. Yates 1934-4-21 3798 Sonoma near Bodega; Sebastopol Quadrangle Comment
Read comments
Sep 30 2007
  UC635360  Delphinium nudicaule H. L. Mason 1928-4-8 4287 Sonoma sea bluff two mi n Fort Ross Comment
  UC635362  Delphinium nudicaule H. L. Mason 1930-6-1 5643 Sonoma mouth Gualala River Comment
  CAS-BOT-BC9896  Delphinium nudicaule Aven Nelson; Ruth Ashton Nelson 1933-5-14 555 Sonoma Kenwood Comment
  SEINET12093237  Delphinium nudicaule W. Knight, Knight, I.; Edwards, S. Dr 1986-1 5306 Sonoma Along trail to summit of Geyser Peak. Access from Healdsburg-Geysers Rd 853 Comment
  CAS-BOT-BC7766  Delphinium variegatum Alice Eastwood 1921-4-24 10320 Sonoma Santa Rosa Comment
  CAS-BOT-BC83025  Dendromecon rigida Kate Eastwood Phelps 1935-4-1 s.n. Sonoma Point Sal. Comment
  UCD160213  Dendromecon rigida James A. Neilson Jr. 1974-4-24 2719 Sonoma Mayacmas Mountains. 1.5 miles north of Little Geysers. (Georeferencing and elevation estimated by label-maker using topo map.) 914 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
  UCD68044  Dendromecon rigida Linda Martin 1976-5-29 4 Sonoma On Trinity Road, 2.4 miles West of junction with Highway 12. Found in a chaparral plant association, dominated by madrone and fir, on the roadside, in full sunlight, on stoney loose soil. A perennial woody shrub with shredding white bark, 1.5 m high. Flowers, yellow. Comment
  CAS-BOT-BC11001  Dendromecon rigida subsp. rigida J. Clausen 1933-3-25 725 Sonoma About 4 miles east of Warfield along the road to Oakville. On the Youngman Ranch. 213 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
  CAS-BOT-BC586  Dendromecon rigida subsp. rigida Roxana Stinchfield Ferris; Laura Lorraine 1961-6-15 13558 Sonoma Green Valley Rd, 0.8 miles east of junction with Harrison Grade Rd. Comment
  UCR244498  Deschampsia Peter Rubtzoff 1962-6-13 4902 Sonoma Freestone Marsh 79 Comment
  UC1100296  Deschampsia cespitosa subsp. cespitosa Herbert L. Mason 1946-7-4 12885 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  UC727687  Deschampsia cespitosa subsp. cespitosa Milo S. Baker 1946-5-13 11393 Sonoma marsh adjoining on n. Pitkin Ranch; Vine Hill Region Comment
  CAS-BOT-BC192610  Deschampsia cespitosa subsp. holciformis J. W. Congdon 1892-5-30 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC192612  Deschampsia cespitosa subsp. holciformis Herbert L. Mason 1946-7-4 12885 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UCD63798  Deschampsia cespitosa subsp. holciformis Beecher Crampton 1957-7-11 4334 Sonoma Sonoma Coast State Park, along State Hwy. 1, 1.3 miles north of Salmon Creek. Comment
  CAS-BOT-BC201650  Deschampsia danthonioides J. W. Congdon 1880-5-6 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC201652  Deschampsia danthonioides K. Wagnon 1939-5-11 189 Sonoma In Bennett Valley Comment
  CAS-BOT-BC210169  Deschampsia danthonioides Peter Rubtzoff 1971-6-5 6510 Sonoma Vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  RSA784393  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6084 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  UC53607  Deschampsia elongata Jos. Burtt Davy July 1896 Sonoma Russian R. below Guerneville; Russian R. Comment
  SEINET11671649  Desmazeria rigida Unknown 1940-1 964 Sonoma Wood residence, 349 Second Ave, Santa Rosa Comment
  UC1196305  Dicentra chrysantha Joseph P. Tracy 1935-7-7 14047 Sonoma on road to Geysers from Geyserville 609 Comment
  UC9934  Dicentra formosa Harley P. Chandler 1900-5-25 669 Sonoma Bodega Comment
  CAS-BOT-BC208929  Dichanthelium acuminatum subsp. acuminatum P. B. Kennedy 1915-5-31 s.n. Sonoma Annapolis region. Comment
  CAS-BOT-BC502206  Dichelostemma capitatum G. DeNevers 1981-4-25 859 Sonoma Mark West Creek and Leslie Creek confluence, roadside. Pepperwood Ranch Comment
  CAS-BOT-BC502215  Dichelostemma capitatum A. A. Heller; H. E. Brown 1902-3-14 5065 Sonoma near Windsor Comment
  SEINET8472296  Dichelostemma capitatum subsp. capitatum W. Roderick 1967-5-20 s.n. Sonoma NW edge of Santa Rosa. 46 Comment
  SEINET4207211  Dichondra donelliana Lewis S. Rose 1970-4-18 70029 Sonoma 4 miles N of Sonoma.; 0 274 Comment
  RSA783842  Digitaria Peter Rubtzoff 1971-8-23 6643 Sonoma Stony Point Road, just S of Hwy 116. Comment
  UCD148387  Digitaria sanguinalis Peter Rubtzoff 1956-9-14 2857 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC152038  Diplacus aurantiacus A. A. Heller; H. E. Brown 1902-4-11 5258 Sonoma Bodega Bay Comment
  SBBG21355  Diplacus aurantiacus V. Haraden 1941-7-13 Sonoma canyon, ca. 20 mi E of Bodega Bay 304 Comment
  UCD148325  Dipsacus sativus Peter Rubtzoff 1954-7-27 1570 Sonoma Guerneville Marsh. Comment
  UC429275  Disporum hookeri Milo S. Baker 1904-6-20 Sonoma Sonoma Creek Canyon Comment
  RSA0022417  Distichlis Peter Rubtzoff 1971-8-23 6644 Sonoma Stony Point Road, just S of Hwy 116. Comment
  RSA796172  Distichlis spicata Peter Rubtzoff 1962-7-14 5000 Sonoma Lower Salmon Creek Marsh. Comment
  UC1093636  Dodecatheon hendersonii Francia Chisaki and Gene B. Newcomb 1958-3-31 1076 Sonoma on Trinity Road 1.2 mi w of junction with Cavedale Road; on Trinity Road w of junction with Cavedale Road Comment
  UC22415  Dodecatheon hendersonii J. Burtt Davy 1896-3-15 1672 Sonoma near Fort Ross; near Fort Ross Comment
  UCD118839  Dodecatheon hendersonii Frederica Bowcutt; Kate Mawdsley 1996-3-24 2091 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
  SD130505  Dodecatheon hendersonii F. Alamda, G. DeNevers 1981-3-30 4895 Sonoma Pepperwood Ranch, streambank in vicinity of the Redwood Canyon Comment
  UCD55093  Downingia concolor G. F. Hrusa; R. Gross 1996-6-30 13059 Sonoma At west end of Diamond Mtn. Rd.; 2 m. SW of Calistoga. 700 Comment
  UC1244024  Downingia concolor var. concolor John H. Weiler 1960-4-22 60102 Sonoma Schellville station, Southern Pacific Railroad Comment
  UC726434  Downingia concolor var. concolor A. A. Heller 1941-5-17 16135 Sonoma 2 mi n Windsor (on U.S. Highway 101) Comment
  JEPS108527  Downingia concolor var. concolor Lisa Schultheis 1995-5-15 149 -95 Sonoma Santa Rosa. Roadside ditch along Alton Lane, off of Fulton Rd., just N of Piner Rd. Comment
  RSA654064  Downingia concolor var. concolor Beecher Crampton 1966-5-10 7728 Sonoma 6.5 miles N of Sonoma on State Hwy 12, Glen Ellen station (CA dept. of forestry). Comment
  UC76661  Downingia concolor var. concolor Miss M. Alice King May 1897 Sonoma Comment
  JEPS3074  Downingia pusilla Bioletti 1892-5-1 Sonoma Shellville, Sonoma Co. Comment
  CAS-BOT-BC41418  Draba verna G. DeNevers 1981-4-1 600 Sonoma Pepperwood Ranch. In Leslie Creek, 200 m up from Mark West Creek and Leslie Creek intersection. Comment
  JEPS54476  Drosera rotundifolia Rimo Bacigalupi 1967-8-30 9313 Sonoma near eastern end of Templeman Road (se of Forestville); Pitkin Marsh 45 Comment
  CAS-BOT-BC159462  Drymocallis glandulosa var. glandulosa L. R. Abrams 1916-7-4 5792 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC527348  Drymocallis glandulosa var. reflexa F. G. Krauss 1894-5-1 s.n. Sonoma Mountains near Calistoga Comment
  JEPS78860  Drymocallis glandulosa var. wrangelliana Edward Lee 1936-6-8 2221 Sonoma near entrance Bohemian Grove; near entrance Bohemian Grove Comment
  UC567049  Drymocallis glandulosa var. wrangelliana H. S. Yates 1934-4-21 3755 Sonoma near Bodega; Sebastopol Quadrangle Comment
  RSA42006  Drymocallis glandulosa var. wrangelliana Ella Dales Cantelow 1938-5-7 2403 Sonoma 4.5 miles NM of Bodega Comment
  CAS-BOT-BC71018  Dryopteris arguta Peter Rubtzoff 1952-6-10 1230 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg 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
  UCD151156  Dudleya cymosa James A. Neilson Jr. 1973-6-7 2947 Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 441 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
  UC1015407  Dudleya farinosa Jack Whitehead 81 Sonoma Bodega Park Comment
  SD71428  Dysphania botrys Peter Rubtzoff 1965-8-22 5615 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville) Comment
  UCD98818  Dysphania pumilio Barbara Ertter 1988-11-5 8032 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  CAS-BOT-BC210126  Echinochloa Peter Rubtzoff 1971-8-9 s.n. Sonoma Laguna Lake area, Chileno Valley. Comment
  CAS-BOT-BC210130  Echinochloa Peter Rubtzoff 1976-8-29 8834 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC210132  Echinochloa Peter Rubtzoff 1971-8-31 6663 Sonoma Todd Road near Stony Point Road. Comment
  CAS-BOT-BC176373  Echinochloa crus-galli Peter Rubtzoff 1953-11-1 1430 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC208542  Ehrharta calycina Nancy Harrison 1977-6-11 1376 Sonoma Salmon Creek Beach Comment
  CAS-BOT-BC113730  Eleocharis acicularis Peter Rubtzoff 1951-6-16 s.n. Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC113726  Eleocharis acicularis Catherine Best 1983-10-10 900 Sonoma Where water had receded at the Lake on Stoltz Lane ca. 2 mi NE of Occidental. Comment
  CAS-BOT-BC113732  Eleocharis acicularis var. occidentalis Peter Rubtzoff 1958-5-17 3665 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road.). 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-BC112194  Eleocharis radicans Peter Rubtzoff 1951-9-2 703 Sonoma Pitkin Marsh, near Forestville: Northern half of Lower Marsh. Comment
  CAS-BOT-BC112205  Eleocharis radicans Peter Rubtzoff 1962-7-28 5006 Sonoma Laguna de Santa Rosa east of Cunningham, near Llamo Road. Comment
  CAS-BOT-BC112208  Eleocharis radicans Milo S. Baker 1939-6-1 9486 Sonoma Brookside Garden Comment
  CAS-BOT-BC112274  Eleocharis rostellata Peter Rubtzoff 1951-7-7 361 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  UCD49738  Eleocharis rostellata P. G. Connors 1991-5-24 111 Sonoma Location: BMR. Comment
  CAS-BOT-BC213788  Elymus X hansenii G. DeNevers 1981-6-20 1581 Sonoma Pepperwood Ranch, in Leslie Creek bed. Comment
  CAS-BOT-BC227149  Elymus elymoides K. Wagnon 1939-5-11 192 Sonoma At entrance of cemetery east of Santa Rosa on Bennet [Bennett] Valley road Comment
  UCD62314  Elymus glaucus Freed W. Hoffman 1941-6-15 2145 Sonoma Between Fort Ross and Jenner. Comment
  CAS-BOT-BC203713  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-3 1174 Sonoma Fitch Mtn. Grove, near Healdsburg Comment
  CAS-BOT-BC203717  Elymus glaucus subsp. glaucus Walter Knight; Irja Knight; J. T. Howell 1987-5-27 6272 Sonoma Todd Road Preserve 24 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
  UCD62407  Elymus glaucus subsp. virescens Beecher Crampton 1957-7-11 4311 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  CAS-BOT-BC235229  Elymus multisetus K. Wagnon 1939-5-20 207 Sonoma Glade west of Wagnon rock quarry, 5 miles west of Sebastopol Comment
  UCD119201  Emmenanthe penduliflora Frederica Bowcutt 1996-5-19 2125 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon firebreak (narrow) btw lower Bald Mtn. and Bald Mtn. Trail. 487 Comment
  CAS-BOT-BC290618  Epilobium Peter Rubtzoff 1986-9-28 9745 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC376253  Epilobium Greg de Nevers 1993-4-11 10365 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. East of middle road through Bald Hills 304 Comment
  CAS-BOT-BC262971  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1520 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  RSA800039  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1964-8-26 5486 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 Comment
  CAS-BOT-BC290547  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1967-8-28 5865 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  UCD158775  Epilobium ciliatum subsp. watsonii James A. Neilson Jr. 1974-7-10 2814 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  RSA181915  Epilobium foliosum Freed W. Hoffman 1947-4-13 1848 Sonoma North Coast Ranges: Gilliam Creek, near Guerneville Comment
  RSA155508  Epilobium hallianum L. S. Rose 1962-6-1 62060 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  RSA41106  Epilobium minutum Robert F. Hoover 1939-4-18 4040 Sonoma Occidental Comment
  UC19963  Epilobium torreyi H. N. Bolander 1867-1 6535 Sonoma Cloverdale; ; Cloverdale, Sonoma Co. Comment
  CAS-BOT-BC183617  Equisetum X ferrissii Peter Rubtzoff 1960-6-9 4480 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC57039  Equisetum arvense Peter Rubtzoff 1956-9-14 2872 Sonoma Vacation Beach, near Guerneville, on Russian River bottom Comment
  CAS-BOT-BC57041  Equisetum arvense Peter Rubtzoff 1952-5-10 1023 Sonoma Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC57045  Equisetum arvense Peter Rubtzoff 1959-6-7 4108 Sonoma Russian River betw. Vacation Beach and East Guernewood near Guerneville Comment
  UCD148330  Equisetum hyemale subsp. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC164656  Equisetum hyemale var. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC57641  Equisetum telmateia Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch Comment
  CAS-BOT-BC57643  Equisetum telmateia Walter Knight; Irja Knight 1963-9-15 383 Sonoma Los Alamos Rd. Comment
  CAS-BOT-BC57647  Equisetum telmateia Peter Rubtzoff 1959-6-7 4109 Sonoma Russian River betw. East Guernewood and Vacation Beach, near Guerneville Comment
  SEINET6031838  Equisetum telmateia P. L. Henderson 1977-4-30 77 -7 Sonoma Bodega Bay Comment
  UC750802  Equisetum telmateia subsp. braunii Charles B. Heiser Jr. 1946-4-14 1729 Sonoma 3 mi w Duncan Mills (banks of Russian River) Comment
  UCD135619  Equisetum telmateia subsp. braunii Christine Lee 1993-4-24 80 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Hillside Trail. 381 Comment
  UC576297  Eragrostis cilianensis L. Whitney 1935-10-2 3634 Sonoma Santa Rosa; Santa Rosa Quad. 60 Comment
  CAS-BOT-BC182752  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1953-11-1 1442 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC182770  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1963-9-28 5277 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  UC1146673  Eragrostis mexicana subsp. virescens Freed W. Hoffman 1943-9-14 2166 Sonoma near Guerneville; North Coast Ranges, near Guerneville Comment
  CAS-BOT-BC284187  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1956-9-14 2864 Sonoma Vacation Beach near Guerneville, Russian River Comment
  UC17604  Eremocarpus setiger H. N. Bolander 1860-9-18 440 Sonoma Cloverdale Comment
  UC194498  Ericameria arborescens Edw. L. Greene 1888-9-1 Sonoma Petrified Forest Comment
  UCD131901  Erigeron foliosus var. hartwegii Ann F. Johnson 1979-7-2 s.n. Sonoma Bodega Dunes State Park. Comment
  CAS-BOT-BC295123  Erigeron glaucus L. Beane; Lois E. James 1949-5-11 2072 Sonoma Between Fort Ross and Jenner Comment
  CAS-BOT-BC295127  Erigeron glaucus Alice Eastwood 1915-6-29 4890 Sonoma Bodega Point Comment
  CHSC319  Erigeron glaucus A. Small 1954-6-4 Sonoma Doran Park. 15 Comment
  RSA94309  Erigeron philadelphicus Peter Rubtzoff 1951-6-9 185 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC300248  Erigeron reductus var. angustatus G. DeNevers 1981-6-20 1634 Sonoma Pepperwood Ranch. At the Dentist's Lake Comment
  RSA551257  Erigeron sumatrensis Mary P. Wells 1990-1-3 1027 Sonoma Edge of large parking lot two blocks west of Laguna de Santa Rosa Creek, Sebastapol Comment
  UC1299125  Eriodictyon californicum Freed W. Hoffman 1947-5-30 524 Sonoma Layton Mine, East Austin Creek East Austin Creek; Layton Mine, East Austin Creek Comment
  CAS-BOT-BC248813  Eriogonum compositum var. compositum Roger Raiche 1983-6-4 30373 Sonoma On s. side of Sweetwater Springs Rd. (above Porter Creek somewhat e. of its intersection with John Gordon Creek), 3.9 mi. w. on Sweetwater Springs Rd. from its origin at west side highway 121 Comment
  CAS-BOT-BC259258  Eriogonum latifolium John Thomas Howell 1930-7-27 5415 Sonoma 4 miles north of Bodega Bay Comment
  RSA197065  Eriogonum latifolium Noel Holmgren, James L. Reveal 1966-6-6 2648 Sonoma Just north of Ocean View. On bluff above shore line (form away from immediate coastal influence). Comment
  UCR42305  Eriogonum luteolum var. luteolum L. F. LaPre 1985-6-5 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  CAS-BOT-BC261691  Eriogonum nudum var. nudum Greg de Nevers 1990-7-24 9680 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  UCD100603  Eriogonum nudum var. nudum K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC261688  Eriogonum nudum var. nudum Mary P. Wells 1985-7-7 544 Sonoma King's Ridge Road, north of Cazadero Comment
  CAS-BOT-BC261699  Eriogonum nudum var. nudum Lewis S. Rose 1933-9-3 33357 Sonoma 2 mi. w. of Petrified Forest Comment
  UC77615  Eriogonum nudum var. nudum Prof. T. S. Heaton June 1888 Sonoma Verrano Comment
  UC85760  Eriogonum roseum T. S. Brandegee July 1885 496 Sonoma Cloverdale Comment
  CAS-BOT-BC253067  Eriogonum roseum Helen D. Geis 1902-1-1 s.n. Sonoma Cloverdale Comment
  SBBG32275  Eriogonum vimineum L. S. Rose 1955-7-11 Sonoma 2 mi E of Occidental 243 Comment
  UCD160124  Eriogonum vimineum James A. Neilson Jr. 1974-6-1 2757 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines. (Elevation and coordinates estimated by label maker.) 1082 Comment
  SEINET5781672 Image available Eriophyllum lanatum Marcus E. Jones 1882-1 2773 Sonoma Duncan's Mills Comment
  CAS-BOT-BC301147  Eriophyllum lanatum var. achilleoides Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  POM66821  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan[s] Mills. Comment
Read comments
Jun 19 2012
  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
  UC750800  Eriophyllum lanatum var. arachnoideum Charles B. Heiser Jr. 1946-4-13 1721 Sonoma 2 mi e Jenner Comment
  UCD103150  Erodium cicutarium Frederica Bowcutt 1994-5-21 1824 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. Along Meadow trail about 3/4 mile from trailhead. East from trail about 100 yards. 396 Comment
  CAS-BOT-BC41436  Eruca vesicaria subsp. sativa Milo S. Baker 1935-3-1 8025 Sonoma About 5 miles form Santa Rosa on road to Sebastopol. Comment
  SEINET3840777  Eryngium aristulatum G. F. Hrusa 1997-7-5 14010 Sonoma Small vernal pool approximately 200 meters west of Highway 128 in drainage Blossom Creek, 2 kilometers Northwest of Tubbs Lane intersection, Quadrangle: Calistoga 7.5 200 Comment
  UCSC000705  Eryngium aristulatum B. Bufford 1937-6-19 s.n. Sonoma near East Windsor East Windsor - Healdsburg 30 Comment
  CDA15296  Eryngium aristulatum R. Gross November 1996 s.n. Sonoma North Coast Biodiversity Arena; CAS Pepperwood Natural Preserve. 0 Comment
  UC1307394  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1955-7-16 1962 Sonoma Bennett Mt. Lake Comment
  CDA38334  Eryngium aristulatum var. aristulatum Bremner 1929-9-2 s.n. Sonoma [no additional data] 0 Comment
  POM259748  Eryngium aristulatum var. aristulatum J. T. Howell 1934-3-26 11806 Sonoma Summit of Bennet Valley road from Glen Ellen to Santa Rosa Comment
  RSA290418  Eryngium aristulatum var. aristulatum Yusuf Sheikh, Peter Rubtzoff 1971-7-20 504 Sonoma Drying vernal pool along Todd Road, open country NW of Cotati Comment
  UC1126593  Erysimum capitatum E. Armstrong 1934-3-26 939 Sonoma 3 mi n Camp Meeker; Sebastopol Quadrangle Comment
  JEPS46176  Erysimum capitatum var. capitatum Eleanor Armstrong 1933-4-15 792 Sonoma hillside Camp Meeker 45 Comment
  CAS-BOT-BC54762  Erysimum franciscanum A. A. Heller; H. E. Brown 1902-5-27 5607 Sonoma Bodega Bay. Comment
  OBI49256  Erythranthe cardinalis Michener & Bioletti, Bioletti June 1893 s.n. Sonoma Adobe canon Comment
  CAS-BOT-BC383163  Erythranthe grandis David B. Lowry 2005-5-10 CVR Sonoma Along Coleman Valley Road 116 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-BC153620  Erythranthe inodora Peter Rubtzoff 1962-6-22 4950 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC153622  Erythranthe inodora Peter Rubtzoff 1969-8-14 6125 Sonoma Salmon Creek Road ca. 5 mi. west of Bodega (town) (1.1 mi. west of Finley Creek crossing); Salmon Creek margin Comment
  RSA0089544  Erythronium californicum Ann Howald 2015-4-1 3314 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage. 520 Comment
  UC3610  Erythronium californicum W. A. Setchell 1898-3-15 Sonoma Cloverdale Comment
  RSA304235  Erythronium helenae James R. Shevock 1972-3-28 1488 Sonoma Road bank Hwy 128, N. of Clonersdale. 91 Comment
Read comments
Mar 30 2015
  SEINET12057640  Erythronium helenae F. H. Utech, Knight, W.; Knight, I. 1986-5-15 86 -199 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd., between Jimtown & Mercuryville 800 Comment
  CAS-BOT-BC403704  Eschscholzia californica Walter Knight; Irja Knight 1963-8-13 161 Sonoma Horseshoe Cove Comment
  UCD158723  Eschscholzia californica James A. Neilson Jr. 1974-7-10 2834 Sonoma Mayacmas Mountains. Little Geysers well # 2. 731 Comment
  UCD158788  Eschscholzia californica James A. Neilson Jr. 1974-6-1 2882 Sonoma Mayacmas Mountains, Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  SD124796  Eschscholzia californica L. F. La Pre 1986-7-29 Sonoma Socrates Mine, ca. 9.0 miles eastnortheast of Geysserville. 914 Comment
  UC353919  Eucalyptus camaldulensis Milo S. Baker 1928-1-28 3237 b Sonoma w. side Los Guilicos Valley Comment
  SD58446  Euonymus occidentalis M. E. Ferguson, Van E. Ferguson 8-10 Jun 1919 249 Sonoma Between Guerneville and Monte Rio. Comment
  RSA0059081  Euphorbia Greg de Nevers 1992-8-16 10244 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd. On Franz Valley School Road. 152 Comment
  RSA0020337  Euphorbia Peter Rubtzoff 1969-8-29 6180 Sonoma Forest Hills, 5.5 mi east of Guerneville, at 9981 Old River Road. Comment
  UCD77520  Euphorbia nutans Robert E. Preston 1999-11-9 1253 Sonoma Along Petaluma Hill Rd, 0.25 mi S of Yolanda Drive, ca. 1.2 mi S of Sonoma Co. fairgrounds, Santa Rosa. 42 Comment
  CAS-BOT-BC239716  Fabaceae Peter Rubtzoff 1974-6-2 7521 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC239720  Fabaceae Peter Rubtzoff 1974-6-2 7520 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC239722  Fabaceae Peter Rubtzoff 1974-5-26 7500 Sonoma Todd Road 1.4 miles from Highway 116 and 0.6 mile from Llano Road Comment
  CAS-BOT-BC368075  Festuca Greg de Nevers 1998-6-10 11276 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  RSA0065935  Festuca Greg de Nevers 1989-04 9062 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  UC766905  Festuca occidentalis R. F. Hoover 1941-5-14 5094 Sonoma sw of Occidental (near Joy District School) Comment
  UCD66175  Festuca occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-14 13534 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway. Comment
  SEINET11690155  Festuca rubra W. Knight, Knight, I.; Howell, J. T. 1987-1 6276 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC354074  Filago Peter Rubtzoff; H. A. Froebe 1971-5-30 6480 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA0045169  Filago pyramidata Greg de Nevers 1993-5-30 10463 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd. 91 Comment
  CAS-BOT-BC304295  Filago pyramidata John Thomas Howell 1976-4-26 51595 Sonoma E of Geyserville on road to Geysers 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
  CAS-BOT-BC455955  Fragaria chiloensis Walter Knight; Irja Knight 1964-2-18 567 Sonoma Hiway #1, Rocky Point. Coastal bluff. Comment
  CAS-BOT-BC457580  Fragaria vesca subsp. californica Volney Rattan 1877-6-27 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC457582  Fragaria vesca subsp. californica J. W. Congdon only April written on sheet s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC53278  Frangula californica subsp. californica Peter Rubtzoff 1951-6-16 251 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC218577  Fraxinus latifolia D. E. Breedlove 1980-6-27 44770 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC218586  Fraxinus latifolia Peter Rubtzoff 1951-8-19 653 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  JEPS44085  Fraxinus latifolia W. L. Jepson 1903-10-4 2364 Sonoma near Guerneville; Bohemian Club Grove Comment
  UC22602  Fraxinus latifolia H. N. Bolander Jun 1866 Sonoma Cloverdale 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-BC504398  Fritillaria Saichi Kawaha 1968-4-20 320 Sonoma 1 mile northeast of Highway 12 152 Comment
  SEINET180533  Fritillaria lanceolata Mrs. E. Tucker 1936-4-5 Sonoma Camp Meeker. Comment
  JEPS55676  Fritillaria recurva Wayne Roderick 1968-3-24 Sonoma Cavedale Road 274 Comment
  RSA264747  Galium aparine Peter Rubtzoff 1962-6-1 4863 Sonoma Freestone Marsh. Comment
  UCD121716  Galium aparine Caitlin Lewis; William Mutch 1993-4-17 20 Sonoma Sugarloaf Ridge State Park. About 40 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
  UCD67958  Galium aparine Wesley Ebert 1977-4-9 17 Sonoma Penngrove, 6000 Soldiers Ln. on the W. side of Sonoma Mt. on E. facing slope. Heavily shaded by Umbellularia californica and Quercus agrifolia. Growing in rich moist humus. Plant with sticky texture on stems and leaves due to hairs. White flowers. 457 Comment
  JEPS52890  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3906 Sonoma 6.8 mi ne Plantation (on road to Ward Creek) Comment
  HSC19831  Galium divaricatum Leo Koch 1940-6-12 1014 Sonoma Behind Fountaingrove Vineyard, 3 mi. N of Santa Rosa along Hwy. 101 Comment
  RSA264736  Galium divaricatum Peter Rubtzoff, H. A. Froebe 1971-5-30 6497 Sonoma 4.25 miles W of Glen Ellen on Bennett Valley Road. Comment
  SD123748  Galium parisiense J. C. Roos 1950-7-22 4875 Sonoma Sand bar along stream bed 2 miles east of Duncan Mills 60 Comment
  RSA264732  Galium trifidum Peter Rubtzoff 1962-7-14 4987 Sonoma Laguna. Chileno Valley. Comment
  CAS-BOT-BC304343  Gamochaeta pensylvanica Greg de Nevers 1993-5-30 10463 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd 457 Comment
  JEPS34031  Gamochaeta ustulata W. L. Jepson 1931-7-19 15943 Sonoma just n Salmon Creek mouth Comment
  UC1042429  Gamochaeta ustulata Peter Rubtzoff 1951-6-7 137 Sonoma Western branch of Upper Marsh, (near Forestville, in a marshy opening); Pitkin Marsh 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
  RSA28561  Gamochaeta ustulata Annetta Carter, Ethel Crum 1941-6-22 2148 Sonoma 3.3 miles E of Bay (Bodega Bay). Comment
  RSA94011  Gamochaeta ustulata Peter Rubtzoff 1951-6-30 293 Sonoma Pitkin Marsh, near Forestville; western branch of the Upper Marsh Comment
  RSA170011  Garrya elliptica Robert F. Thorne, P. C. Everett 1964-10-21 34218 Sonoma Ten miles north of Fort Ross along Highway 1 and 0.1 mile north of Kruse Rhododendron Reserve. 61 Comment
  UC1122666  Garrya fremontii C. M. Belshaw 1936-3-8 1570 Sonoma Rincon Ridge Santa Rosa Quad. (1.5 mi ne of County Farm) 251 Comment
  CAS-BOT-BC278685  Gastridium phleoides G. DeNevers 1981-5-30 1344 Sonoma Pepperwood Ranch. N of Hansel's corral Comment
  CAS-BOT-BC278693  Gastridium phleoides Peter Rubtzoff 1961-8-22 4692 Sonoma Fife Creek Marsh Comment
  UC1023580  Gastridium ventricosum Virginia Bufford 1936-5-21 361 Sonoma Geysers-Cloverdale Rd. Comment
  UC971691  Gastridium ventricosum Leo Koch 1940-4-22 837 Sonoma above Sulfur Creek Geysers; above Sulfur Creek Geysers Comment
  UC571061  Gaultheria shallon H. L. Mason 1928-4-8 4294 Sonoma 2 mi n of Fort Ross (along coast) Comment
  UCD105728  Genista monspessulana S. P. Lynch 2016-3-14 390 Sonoma 6 mi. west of Callistoga on St. Hwy 128. Comment
Read comments
May 16 2013
  UC1191687  Gentiana sceptrum Herbert L. Mason 1946-7-4 12891 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  CAS-BOT-BC257348  Geranium Peter Rubtzoff 1971-6-25 6564 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UC17122  Geranium carolinianum H. N. Bolander 1864-1 3845 Sonoma Cloverdale Comment
  UCR222558  Geranium robertianum George K. Helmkamp, E. A. Helmkamp 2010-6-5 16239 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  RSA74043  Gilia capitata Anonymous 1947-5-30 11776 Sonoma ca 2 mi NE of Occidental along Harrison grade Comment
  SEINET7067347  Gilia capitata A. G. Vestal 1947-5-16 s.n. Sonoma About 4.8 miles east of Windsor and northwest of Mark West Springs. Coordinate datum: NAD27. UTM Zone 10, 523072mE, 4267195mN. Comment
  UC1299523  Gilia capitata subsp. capitata Freed W. Hoffman 1946-6-14 595 Sonoma Wild Hog Ridge North Coast Ranges, Mill Creek, Palmer Creek branch (headwaters Mill Creek, Palmer Creek branch) Comment
  UCD117691  Gilia capitata subsp. capitata Frederica Bowcutt 1994-6-12 1864 Sonoma about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 1.5 air miles north of Kenwood, and 18 air mles NW of Napa. Adobe Canyon north of Sonoma Creek, north of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  POM65744  Gilia capitata subsp. chamissonis A. A. Heller, H. E. Brown 1902-5-27 s.n. Sonoma Bodega Bay. Comment
  POM179726  Gilia capitata subsp. tomentosa J. T. Howell 1930-6-8 5365 Sonoma 1 mile east of Bodega Bay Comment
  UC72068  Gilia tricolor subsp. tricolor Miss M. Alice King May 1897 Sonoma near Healdsburg; near Healdsburg Comment
  UC52877  Gilia tricolor subsp. tricolor Milo S. Baker Sonoma Perch Flat Comment
  UC894568  Glebionis segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  RSA234555  Glinus lotoides Peter Rubtzoff 1966-9-25 5825 Sonoma Laguna de Santa Rosa east of Grafton, betw. Occidental and Guerneville Rds. Comment
  RSA786493  Glyceria declinata Peter Rubtzoff 1966-5-7 5707 Sonoma North side of Hessel Road, just west of Hwy 116. Comment
  UCD166088  Glyceria declinata Peter Rubtzoff 1971-6-26 6573 Sonoma Willow Creek Marsh. Comment
  SEINET10959322  Glyceria fluitans Adolph D. E. Elmer Elmer 4652 Sonoma Petaluma. Comment
  CAS-BOT-BC282813  Glyceria leptostachya Peter Rubtzoff 1962-5-30 4850 Sonoma Freestone Marsh Comment
  CAS-BOT-BC282817  Glyceria leptostachya A. D. E. Elmer 1903-7-1 4652 Sonoma Petaluma Comment
  UCD166179  Glyceria leptostachya Peter Rubtzoff 1969-7-5 6109 Sonoma Pond, 5.25 miles NE of Penngrove, near Lichan Road. Comment
  RSA796404  Glyceria striata Peter Rubtzoff 1974-7-13 7673 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC166680  Gnaphalium chilense Peter Rubtzoff 1961-9-6 4730 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  CAS-BOT-BC166786  Gnaphalium palustre Peter Rubtzoff 1962-10-23 5126 Sonoma Atascadero Creek Marsh. Comment
  CDA6006  Gnaphalium purpureum T. C. Fuller 1958-5-24 3986 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CAS-BOT-BC166965  Gnaphalium purpureum Peter Rubtzoff 1977-9-4 9131 Sonoma Cunningham Marsh area, along a northern tributary of Blucher Creek, ca. 1 air mile WSW of Cunningham Station. Comment
  CAS-BOT-BC251313  Gratiola ebracteata Peter Rubtzoff 1958-4-26 3596 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  JEPS87218  Gratiola ebracteata Jack and Betty Guggolz 1992-5-6 1280 Sonoma about 1 1/4 mi nw Windsor 42 Comment
  CAS-BOT-BC164093  Grindelia Peter Rubtzoff 1963-6-6 5171 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  SEINET11845375  Grindelia camporum W. Knight, Knight, I.; Knight, T. 1985-1 6349 Sonoma Pine Flat Road, between Jimtown & geothermal area Comment
  CAS-BOT-BC305185  Grindelia hirsutula G. DeNevers 1981-6-6 1445 Sonoma Pepperwood Ranch. At the first Pepperwood entrance Comment
  CAS-BOT-BC305197  Grindelia hirsutula John Thomas Howell 1929-6-30 4318 Sonoma 4 miles from Petrified Forest on road to Knights Valley Comment
  UC161754  Grindelia hirsutula J. Torrey 1865-1 221 Sonoma Sonoma Valley Comment
  UC87905  Grindelia hirsutula J. W. Congdon April 1880 Sonoma Petaluma Comment
  CAS-BOT-BC305193  Grindelia hirsutula Mary P. Wells 1982-7-5 s.n. Sonoma Salmon Beach Parking Lot Comment
  SEINET3142907  Grindelia hirsutula M. P. Dunford 1959-10-3 559 Sonoma 1.8 mi. NE of Mark West Springs on Mark West Road Comment
  CDA6169  Grindelia stricta T. Dowd, M. Smith 1979-6-2 Sonoma Dutcher Creek Road south of Cloverdale, west of Russian River. 0 Comment
  UC38767  Hainardia cylindrica A. B. Leckenby July, 1896 Sonoma Petaluma Comment
  UCD85231  Hainardia cylindrica John Thomas Howell 1930-6-8 5219 Sonoma 8 miles W of Petaluma on Bodega Road. Comment
  CDA37137  Hedera helix Chris Heintzelman 2012-4-13 PDR# 1596521 Sonoma Salt Point, approx. 1/2 mile north of Fisk Mill Cove, along Hwy 1. 0 Comment
  UC353800  Helenium bigelovii Milo S. Baker 1928-4-28 3001 b Sonoma Pitkin Swamp Comment
  RSA74050  Helenium bigelovii Milo S. Baker 1947-6-26 11834 Sonoma Cunningham Marsh, ca 1 mile SW of Cunningham Sta. (air line) Comment
  CAS-BOT-BC262957  Helenium puberulum Peter Rubtzoff 1977-9-3 9123 Sonoma Perry Marsh. Comment
  CAS-BOT-BC262953  Helenium puberulum Peter Rubtzoff 1959-9-12 4260 Sonoma Willow Creek Marsh. Comment
  POM260541  Helenium puberulum Roxana S. Ferris 1937-8-18 9374 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  RSA800484  Helenium puberulum Peter Rubtzoff 1955-8-13 2043 Sonoma Duncan Mills Marsh. Upper portion of the marsh. Comment
  UCD131726  Helianthella californica Frederica Bowcutt 1994-6-25 1925 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
  CAS-BOT-BC314693  Helianthella californica var. californica Alice Eastwood 1915-6-6 4568 Sonoma Petrified Forest Comment
  CAS-BOT-BC262984  Hemizonia Peter Rubtzoff 1971-7-23 6619 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC305996  Hemizonia Peter Rubtzoff 1969-8-28 6164 Sonoma Vernal pool area, 6.5 miles northeast of Penngrove on Lichau Road. 426 Comment
  RSA796176  Hemizonia Peter Rubtzoff 1966-8-25 5803 Sonoma Marshes: Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  UCD166305  Hemizonia Peter Rubtzoff 1966-8-25 5803 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  RSA94176  Hemizonia clevelandii F. W. Peirson 1925-8-8 6347 Sonoma About 1 mile N of Santa Rosa. Comment
  CDA36844  Hemizonia congesta 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
  POM360350  Hemizonia congesta L. S. Rose 1935-9-11 35622 Sonoma 2 mi N of Healdsburg. 40 Comment
  CAS-BOT-BC306165  Hemizonia congesta subsp. clevelandii L. R. Abrams 1916-7-4 5785 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC306221  Hemizonia congesta subsp. congesta Alice Eastwood; John Thomas Howell 1936-5-19 2513 Sonoma 2 miles n. of Windsor Comment
  CAS-BOT-BC306229  Hemizonia congesta subsp. congesta Alice Eastwood; John Thomas Howell 1936-7-4 3822 Sonoma 2 miles n. of Windsor Comment
  CAS-BOT-BC306245  Hemizonia congesta subsp. congesta James I. McMurphy 1909-5-28 s.n. Sonoma 2 miles south of Fulton Comment
  JEPS77885  Hemizonia congesta subsp. congesta Edward Lee 1934-4-30 751 Sonoma 1 mi w 2 Rock junction Comment
  SEINET7067333  Hemizonia congesta subsp. congesta A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles East of Windsor on Faught Road. Coordinate datum: NAD27. UTM Zone 10, 521654mE, 4261292mN. Comment
  CDA6571  Hemizonia congesta subsp. congesta T. C. Fuller 1958-5-24 4003 Sonoma 1/2 mile east of Occidental, State Department of Forestry Station. 0 Comment
  UC193421  Hemizonia congesta subsp. congesta H. M. Hall 1916-7-23 10241 Sonoma 6 mi nw Petaluma Comment
  UCD132984  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-5-18 1051 Sonoma one-half mile south of Two Rock Ranch Military Reservation; on Dutra Ranch. 1/4 mile east and west of Dutra home. Comment
  CAS-BOT-BC309674  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station, between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC309724  Hemizonia congesta subsp. lutescens J. Clausen 1935-5-24 1085 Sonoma 5.1 miles south of Jenner, on the Bodega road Comment
  UC473562  Hemizonia congesta subsp. lutescens John Thomas Howell 1930-7-27 5411 Sonoma 4 mi n Bodega Bay Comment
  CAS-BOT-BC309681  Hemizonia congesta subsp. lutescens Peter H. Raven 1955-8-27 8754 Sonoma Petaluma Creek at bridge on Black Point Cutoff Comment
  CAS-BOT-BC309689  Hemizonia congesta subsp. lutescens Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5841 Sonoma Llano Road. Near sewage disposal plant at Laguna de Santa Rosa Comment
  CAS-BOT-BC309698  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 711 Sonoma Summit between Sonoma and Petaluma Comment
  UC1301039  Hemizonia congesta subsp. lutescens Helen K. Sharsmith 1963-5-25 5484 Sonoma 152 Comment
  UCD132988  Hemizonia congesta subsp. lutescens D. H. Hartmann; H. T. Hartmann 1941-8-24 s.n. Sonoma 3 miles west of Petaluma. Comment
  CHSC107539  Hemizonia congesta subsp. luzulifolia D. G. Kelch; Troy McGregor 2010-8-22 10 .352 Sonoma Nr Peak of Geyser Peak Rd. Comment
  UC990626  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1910-6-8 Sonoma valley across hills from Petaluma Comment
  UCR233076  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2804 Sonoma North Coast Ranges, west slope of Mayacamas Mountains, Los Alamos Rd. at Cougar Lane, 2.3 miles east of intersection Hwy 12 329 Comment
  CAS-BOT-BC309958  Hemizonia congesta subsp. luzulifolia Walter Knight; Irja Knight 1963-8-29 185 Sonoma Casa Grande Road, Petaluma Comment
  SD53366  Hemizonia congesta subsp. luzulifolia Darley F. Howe 1962-7-28 3361 Sonoma Mark West Creek, 3.4 miles east of Highway 101. Comment
  CDA6976  Hemizonia corymbosa T. C. Fuller 1981-9-9 20386 Sonoma Bodega Harbor subdivision just south of Bodega Bay. 0 Comment
  RSA81605  Hemizonia lutescens James I. McMurphy 1909-8-9 711 Sonoma Hills between Sonoma and Petaluma. Comment
  UC990611  Hemizonia luzulifolia subsp. luzulifolia James I. McMurphy 1909-8-8 706 Sonoma Sonoma Comment
  RSA227201  Heracleum maximum Peter Rubtzoff 1964-5-20 227201 Sonoma Brooks Gulch Marsh. Comment
  UC581115  Hesperevax sparsiflora var. sparsiflora H. L. Mason 1934-4-28 8091 Sonoma Jensen's Ranch; Dohrmann Creek 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
  CDA28491  Hesperolinon micranthum D. G. Kelch 2007-5-13 7 .295 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  OBI12534  Hesperolinon micranthum Herbert L. Mason 1946-7-4 12895 Sonoma Inner North coast Ranges. 2 mi E of Occidental on Harrison Grade Comment
  RSA264760  Heterocodon rariflorum Peter Rubtzoff 1963-5-26 5133 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC149834  Heteromeles arbutifolia Mary P. Wells 1984-7-21 419 Sonoma Timber Ridge Rd. just No. of Drover's Close, The Sea Ranch Comment
  CDA30978  Heterotheca oregona D. G. Kelch, Troy McGregor 2010-8-22 10 .36 Sonoma Geyser Peak Rd along Sulfur Creek nr historic bridge. Comment
  UC1093930  Heterotheca oregona var. oregona Herbert L. Mason Nov 26 1925-Nov 27 1925 2493 Sonoma Monte Rio, along Russian River Russian River Comment
  CAS-BOT-BC311061  Heterotheca oregona var. oregona John Thomas Howell 1926-11-14 2252 Sonoma Between Rincon Valley and Santa Rosa Comment
  CAS-BOT-BC311161  Heterotheca sessiliflora subsp. bolanderi John Thomas Howell 1930-7-13 5342 Sonoma Black Point Road Comment
  UCD102637  Heuchera micrantha Frederica Bowcutt 1996-5-23 2147 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. Toe of Sugarloaf Ridge, just S of campground. Comment
  CAS-BOT-BC424180  Heuchera micrantha var. erubescens Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UC570889  Heuchera micrantha var. erubescens H. L. Mason June 1930 5665 Sonoma mouth of Gualala River Comment
  UCD102629  Heuchera pilosissima Mary M. Hektner 1975-6-3 205 Sonoma Unit 35-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  UCSC000335  Heuchera pilosissima H. S. Yates 1934-3-21 3790 Sonoma near Bodega - Sebastopol 61 Comment
  CAS-BOT-BC319702  Hieracium albiflorum John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 54006 Sonoma Fairfield Osborn Preserve of the Nature Conservancy 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  SEINET11842956  Hieracium albiflorum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -165 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 330 Comment
  RSA124809  Hoita macrostachya Peter H. Raven, R. Snow 1958-7-23 13683 Sonoma 10.5 miles west of Skaggs Springs. Comment
  CAS-BOT-BC280794  Holcus lanatus Peter Rubtzoff 1951-8-4 590 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  UC38610  Holcus lanatus J. Burtt Davy 1896-7-24 Sonoma below Duncan's Mills; below Duncan's Mills Comment
  CAS-BOT-BC164689  Holocarpha Peter Rubtzoff 1963-8-24 5245 Sonoma 2.5 miles north of Sebastopol Comment
  CHSC52696  Holodiscus discolor James Jokerst 1985-5-29 2390 Sonoma Near Cobb Mountain. 1126 Comment
  CAS-BOT-BC152390  Holodiscus discolor var. discolor James Jokerst 1985-5-29 2390 Sonoma Near Cobb Mountain, Whispering Pines Quad. 1126 Comment
  CAS-BOT-BC152392  Holodiscus discolor var. discolor G. DeNevers 1981-5-26 1325 Sonoma Near Phillips House, Pepperwood Ranch Comment
  JEPS120286  Holodiscus dumosus var. cedrorum Barbara Ertter with R. Raiche, J. Shevock, R. Bittman, et al. 1994-6-23 12850 Sonoma The Cedars serpentine area at head of Big Austin Creek N of Cazadero, ca 20 airmiles due W of Healdsburg, along south side of creek Comment
  JEPS128298  Holodiscus dumosus var. cedrorum Roger Raiche 2010-6-16 022 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCR255729  Holozonia filipes Greg de Nevers 1996-5-30 10834 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  UCR279627  Holozonia filipes Peter Rubtzoff 1961-7-22 4661 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 363 Comment
  SD260901  Holozonia filipes Peter Rubtzoff 1971-7-20 6602 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UCD148362  Holozonia filipes Peter Rubtzoff 1955-8-27 2095 Sonoma Bennett Mountain Lake. Comment
  NY114965  Hookera synandra A. A. Heller 1902-6-23 5742 Sonoma Petrified Forest Comment
  CAS-BOT-BC289285  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1960-5-15 4338 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC289293  Hordeum brachyantherum subsp. brachyantherum Barrett Anderson 1987-4-27 3464 Sonoma Petaluma, south of El Rose and west of D Street 120 Comment
  JEPS75074  Hordeum brachyantherum subsp. brachyantherum Edward Lee 1934-4-30 743 Sonoma 1 mi w 2 Rock junction Comment
  UC1103748  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1932-5-8 9902 Sonoma Geyserville Northern Coast Ranges, Geyserville 152 Comment
  CAS-BOT-BC289541  Hordeum brachyantherum subsp. californicum John H. Thomas 1976-6-16 18346 Sonoma Southern part of Sea Ranch northwestern part of county about 7 iles south of Gualala 30 Comment
  CAS-BOT-BC285186  Hordeum marinum subsp. gussoneanum G. DeNevers 1981-5-30 1342 Sonoma Pepperwood Ranch. N of Hansel's corral Comment
  UCD86475  Hordeum murinum subsp. glaucum R. Tofsrud 1949-4-1 s.n. Sonoma Road to 'Top O World.' N of Sonoma. Comment
  RSA786874  Hordeum vulgare Carrie A. Herd 1982-5-15 113 Sonoma Rohnert Park, C.S.U, Sonoma, between dorm parking lot and bicycle path Comment
  JEPS44586  Horkelia californica Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  UC903144  Horkelia californica Ethel Crum 1930-7-27 818 Sonoma n Fort Ross; North Coast Ranges Comment
  RSA731317  Horkelia tenuiloba Chris K. Kjeldsen, Daniel T. Kjeldsen 2005-10-4 1885 Sonoma Coast Ranges: Russian River watershed, Bohemian Grove, N of Camp Meeker and Tyrone off Bohemian Highway. 128 Comment
  UC574867  Horkelia tenuiloba John Thomas Howell 1937-7-4 13083 Sonoma 5 mi n Sebastopol Comment
  UC766414  Horkelia tenuiloba Robert F. Hoover 1941-6-7 5301 Sonoma Molino-Occidental Rd Comment
  SEINET7062821  Hypericum anagalloides A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point. UTM Zone 10, 464491mE, 4278527mN. (WGS84/NAD83). 0 Comment
  JEPS128368  Hypochaeris glabra Roger Raiche 2000-5-5 099 A.00 Sonoma The Cedars. Bearpen Creek watershed (CalWater# 1114.120002). Comment
  CAS-BOT-BC316718  Hypochaeris radicata Walter Knight; Irja Knight 1963-12-28 479 Sonoma Bodega Head Comment
  UC623307  Iris fernaldii H. L. Mason 1939-5-18 12100 Sonoma 5 mi w Petrified Comment
  CDA13304  Iris macrosiphon G. F. Hrusa, R. Gross 1996-4-2 12827 Sonoma North Coast Biodiversity Arena; Base of Diamond Mtn. on NW side. 2 m. S of Calistoga Comment
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Jul 28 2008
  JEPS128343  Iris macrosiphon Roger Raiche 2000-4-7 021 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD166138  Isoetes Peter Rubtzoff 1969-5-24 6053 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road. 427 Comment
  CAS-BOT-BC182769  Isoetes Peter Rubtzoff 1971-6-5 6514 Sonoma Dry bed of vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC57734  Isoetes howellii Greg de Nevers 1992-6-16 10165 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 304 Comment
  UCD150145  Isoetes howellii Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1. 43 Comment
  UCR224691  Isolepis carinata Ayzik Solomeshch 2009-5-12 s.n Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  RSA91469  Isolepis carinata J. T. Howell 1937-6-6 13027 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC112566  Isolepis cernua Peter Rubtzoff 1960-6-9 4485 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  CAS-BOT-BC340229  Jaumea carnosa Milo S. Baker 1936-4-1 8214 Sonoma Near mouth of Salmon Cr. Comment
  JEPS30835  Juncus breweri Rimo Bacigalupi, and L. R. Heckard 1962-6-19 8591 Sonoma just n Horseshoe Cove ((indicated on Bodega Head U.S.G.S. Sheet as depressed contour)); Bodega Head Comment
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Dec 13 2006
  UC1057463  Juncus bufonius G. Thomas Robbins 1937-5-23 195 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region) Comment
  CAS-BOT-BC368096  Juncus capitatus Greg de Nevers 1998-5-5 11232 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  SD262153  Juncus effusus var. pacificus Peter Rubtzoff 1959-6-20 4177 Sonoma Willow Creek Marsh (Duncan Hills 7.5'Q) 9 Comment
  UCR244633  Juncus hesperius Peter Rubtzoff 1968-7-13 5919 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC328116  Juncus lescurii Peter Rubtzoff 1954-8-9 1663 Sonoma Bodega Head Marsh. Comment
  RSA0015643  Juncus lescurii Peter Rubtzoff 1955-8-20 2080 Sonoma Bodega Harbor Marsh. Comment
  UC143749  Juncus occidentalis A. A. Heller 1902-6-2 5634 Sonoma Santa Rosa 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
  RSA368303  Juncus oxymeris Christopher Davidson 1977-6-17 5882 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  SD99416  Juncus oxymeris Christopher Davidson 1977-6-17 5882 Sonoma State Highway 12, ca. 3 miles west of Guerneville, along Russian River. Sand bar in river. 14 Comment
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Jun 25 2020
  JEPS86769  Juncus patens Jack and Betty Guggolz 1990-6-18 1070 Sonoma about 12 km e Healdsburg (bed of Maacamas Creek on the Ferrari-Carano Ranch); Maacamas Creek 70 Comment
  UCD164186  Juncus phaeocephalus Peter Rubtzoff; Nancy Harrison 1978-6-11 9204 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CDA39262  Juncus phaeocephalus T. C. Fuller & D. L. Bristow 1957-12-17 s.n. Sonoma Horn Ave., south of Santa Rosa. 0 Comment
  JEPS67064  Juncus phaeocephalus var. paniculatus W. L. Jepson 1921-6-2 9304 Sonoma nw of Windsor (and just e of Calhoun ranch) Comment
  RSA94015  Juncus phaeocephalus var. phaeocephalus Peter Rubtzoff 1951-7-21 509 Sonoma Pitkin Marsh, near Forestville; Between the Upper and the Lower marshes. Comment
  CAS-BOT-BC273780  Koeleria pyramidata Catherine Best 1981-5-2 s.n. Sonoma Stoetz Lane, north of Occidental Comment
  CAS-BOT-BC273782  Koeleria pyramidata John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53998 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC340484  Lactuca saligna John Thomas Howell 1957-10-12 33001 Sonoma About 1 mi. sw. of Sonoma Comment
  JEPS128217  Lactuca serriola Roger Raiche 2000-5-5 099 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC340661  Lactuca serriola Mary P. Wells 1985-9-2 611 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC341711  Lagophylla ramosissima James I. McMurphy 1909-7-10 503 Sonoma Hills near Cloverdale Comment
  CDA2216  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Stewart s ( Steward ) Point Comment
  UC790934  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mi N of Steward Pt Comment
  SEINET11687493  Lamarckia aurea I. Knight, Knight, W.; Edwards, S. 1986-1 5326 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Road 853 Comment
  CAS-BOT-BC337896  Lasthenia J. H. Thomas 1954-6-18 4294 Sonoma Near intersection of Coast Highway and Coleman Valley Road, about 3.5 miles north of town Bodega Bay Comment
  JEPS10010  Lasthenia burkei W. L. Jepson 1921-6-2 9303 Sonoma nw of Windsor (just e of the Calhoun Ranch) Comment
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Nov 13 2007
  JEPS86322  Lasthenia burkei Jack and Betty Guggolz 1988-4-14 913 Sonoma about 200 m n and 200 m e Northern Pacific RR crossing (crossing of Starr Road) Comment
  UCR258101  Lasthenia burkei Mark A. Elvin 1997-5-7 398 Sonoma Central Western; Outer North Coast Ranges, west side of RR track north of San Miguel Ave., NW of Santa Rosa 43 Comment
  RSA784686  Lasthenia burkei Mark Elvin 1997-5-7 396 Sonoma NW Windsor, N-end of Herb Rd off Gumview Rd. 11 Comment
  JEPS9909  Lasthenia californica subsp. californica Alice Eastwood 1899-6-1 Sonoma Comment
  CAS-BOT-BC324413  Lasthenia californica subsp. macrantha Mrs. H. C. Cantelow 1936-1-26 1102 Sonoma Bodega Bay Comment
  CAS-BOT-BC355528  Lasthenia glaberrima Peter Rubtzoff 1966-5-30 5747 Sonoma About 3 mi. S. of Healdsburg. Comment
  CAS-BOT-BC370892  Lasthenia minor A. A. Heller; H. E. Brown 1902-4-11 s.n. Sonoma Bodega Bay Comment
  UC584181  Lasthenia minor J. Clausen 1935-5-24 1084 Sonoma 5 mi s of Jenner Comment
  CAS-BOT-BC370890  Lasthenia minor Roxana S. Ferris 1932-5-27 8256 Sonoma northern end of Bodega Bay Comment
  SD64376  Lasthenia minor Darley F. Howe 1966-6-2 Sonoma Coast, 4.0 miles north of Bodega Bay on Highway 1. Comment
  POM29622  Lathyrus Marcus E. Jones 1924-4-23 s.n. Sonoma Petaluma. Comment
  UCD165121  Lathyrus Peter Rubtzoff 1974-4-17 7363 Sonoma Upper Green Valley Marsh area. Comment
  UCD166069  Lathyrus Peter Rubtzoff 1971-5-30 6467 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD106227  Lathyrus hirsutus Frederica Bowcutt 1996-5-24 2164 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Approx. 1.2 air miles S of Red Mountain. Adobe Canyon just NW of Sonoma/Rattlesnake Creek confluence. 365 Comment
  CAS-BOT-BC204994  Lathyrus jepsonii var. californicus Alice Eastwood; John Thomas Howell 1938-5-15 5506 Sonoma Near Mark West Springs Comment
  POM161246  Lathyrus littoralis Rimo Bacigalupi 1928-6-18 1897 Sonoma Beach at mouth of Salmon Creek, 2 miles N of Bodega Bay. Comment
  RSA0060103  Lathyrus sphaericus Greg de Nevers 1993-4-26 10404 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Road by Mountain House entrance. 100 Comment
  RSA161411  Lathyrus torreyi R. C. Bacigalupi 1926-5-2 1374 Sonoma Cazadero. Comment
  HSC79028  Lathyrus vestitus A. C. Sanders 1985-1-19 5372 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  UCR265133  Lathyrus vestitus Ann Howald 2015-4-1 3333 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  POM29620  Lathyrus vestitus subsp. vestitus Marcus E. Jones 1882-7-17 3576 Sonoma Duncan's Mills. Comment
  POM17270  Lathyrus vestitus subsp. vestitus A. A. Heller, H. E. Brown, A. H. Heller 1902-3-10 8256 Sonoma Hills East of Santa Rosa. Comment
  UC192961  Lathyrus vestitus var. vestitus J. W. Congdon 1892-5-30 Sonoma Cazadero Comment
  SD88301  Lathyrus vestitus var. vestitus Darley F. Howe 1972-4-30 Sonoma Bodaga bay Comment
  UCD166126  Layia Peter Rubtzoff 1969-5-3 6010 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. 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-BC323254  Layia chrysanthemoides A. A. Heller; H. E. Brown 1902-4-23 5355 Sonoma Near Sonoma Comment
  CAS-BOT-BC323236  Layia chrysanthemoides John Thomas Howell 1931-4-18 6426 Sonoma 8 miles N of Bay Comment
  POM361720  Layia chrysanthemoides J. T. Howell 1931-4-1 6036 Sonoma 9 miles SW of Sonoma on road to San Rafael. Comment
  POM53346  Layia chrysanthemoides A. A. Heller, H. E. Brown 1902-4-23 5355 Sonoma Near Sonoma. Comment
  CAS-BOT-BC123308  Layia chrysanthemoides subsp. maritima Jens Chr. Clausen 1935-5-24 1090 Sonoma 6.2 mi S of Jenner Comment
  CAS-BOT-BC379624  Layia platyglossa Alice Eastwood 1915-6-29 4836 Sonoma Bodega Point Comment
  JEPS18021  Layia platyglossa George B. Rossbach 1955-3-19 547 Sonoma w rim of Bodega Head 45 Comment
  UCD133980  Layia platyglossa Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 41 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC379576  Layia platyglossa John Thomas Howell 1976-6-15 18261 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles outh of Gualala 30 Comment
  CAS-BOT-BC329304  Layia septentrionalis H. E. Brown; A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood Comment
  UC353802  Ledum glandulosum Milo S. Baker 1928-4-28 3009 b Sonoma Pitkin Swamp Comment
  SEINET11995839  Ledum glandulosum F. H. Utech 1988-1 88 -220 Sonoma Salt Point, along CA 1 between Tenner & Stewart's Point, mile marker 38.39 75 Comment
  RSA106768  Ledum glandulosum subsp. columbianum L. S. Rose 1955-6-2 55058 Sonoma Pitkin Marsh, w. of Vine Hil Road, 10 mi. w. of Santa Rosa. 30 Comment
  UCR254923  Leersia oryzoides Greg de Nevers 1995-10-1 10775 Sonoma Russian River near Mirabel Road 5 Comment
  RSA0056431  Leersia oryzoides Greg de Nevers 1995-10-1 10775 Sonoma Russian River near Mirabel Road. 91 Comment
  CAS-BOT-BC210110  Lemna Peter Rubtzoff 1970-5-30 6253 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC534366  Lemna minor Greg de Nevers 1995-4-5 10712 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  UCR255075  Lemna minor Peter Rubtzoff 1960-6-5 4434 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road 30 Comment
  CAS-BOT-BC183613  Lemna minor Peter Rubtzoff 1965-11-9 5669 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC527288  Lemna minuta Mary P. Wells 1984-8-9 437 Sonoma Sagpond near airstrip, Timber Ridge Road, The Sea Ranch Comment
  CAS-BOT-BC534920  Lemna turionifera Peter Rubtzoff 1951-9-2 705 Sonoma Pitkin Marsh, near Forestville Comment
  RSA0065911  Lemna valdiviana Peter Rubtzoff 1958-8-23 3899 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road. Comment
  CAS-BOT-BC89738  Lepidium latifolium Walter Knight; Irja Knight 1963-8-9 199 Sonoma North side Lakeville Highway at Petaluma Fertilizer office - Petaluma (waif). Comment
  UCD115699  Lepidium latifolium John Thomas Howell 1966-6-2 41550 Sonoma South of Schellville near Black Pt. road. Comment
  CAS-BOT-BC12657  Lepidium nitidum G. DeNevers 1982-3-28 1936 Sonoma Pepperwood Ranch. In the meadow by the Pepperwood barn. Comment
  UC517474  Lepidium oxycarpum John Thomas Howell 1933-4-1 10924 Sonoma Petaluma Comment
  CAS-BOT-BC12967  Lepidium strictum J. W. Congdon 1880-3-1 s.n. Sonoma Petaluma. Comment
  CAS-BOT-BC12972  Lepidium strictum Catherine Best 1987-3-28 1237 Sonoma Bodega Head. Comment
  CAS-BOT-BC320566  Leptochloa Peter Rubtzoff 1965-8-16 5598 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC273999  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-9-2 6354 Sonoma Russian River bottom at Mirabel Park Comment
  POM203996  Leptosiphon acicularis J. T. Howell 1935-4-2 10932 Sonoma Sonoma Creek Canyon Comment
  SBBG5965  Leptosiphon androsaceus H. and M. Dearing 1939-5-14 3354 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCD158801  Leptosiphon androsaceus James A. Neilson Jr. 1969-4-16 2869 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  UCD55150  Leptosiphon androsaceus Ellen Dean; Tammie Beyerl 2006-4-28 3032 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 260 Comment
  RSA67007  Leptosiphon androsaceus E. K. Balls 1951-5-10 16536 Sonoma 0.3 miles south of Mendocino-Sonoma Co. line on Hwy 28. Comment
  UCSB5189  Leptosiphon androsaceus Keator, Glenn 1959-4-2 Sonoma 5.5 miles up Cavedale road near its end; 6.6 miles from Agua Caliente Comment
  UCD118606  Leptosiphon bicolor Botany 102 Students 1993-4-24 100 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 1.25 air miles SE of Red Mountain. SE of Sonoma Creek. 396 Comment
  CHSC40733  Leptosiphon ciliatus H. N. Bolander 1866-1-1 Sonoma Russian River Valley. Comment
  CAS-BOT-BC226695  Leptosiphon jepsonii Rimo Bacigalupi 1926-5-2 1366 Sonoma Cazadero Comment
  CAS-BOT-BC226698  Leptosiphon jepsonii Alice Eastwood; John Thomas Howell 1938-5-15 5508 Sonoma Near Mark West Springs Comment
  JEPS128322  Leptosiphon parviflorus Roger Raiche 2000-3-26 012 .00 Sonoma The Cedars. Lower Russian, Big Austin Creek watershed. Comment
  JEPS86801  Lessingia arachnoidea Jack and Betty Guggolz 1991-7-20 1212 Sonoma about 2 1/4 mi nw of Camp Meeker 182 Comment
  JEPS86745  Lessingia ramulosa Jack and Betty Guggolz 1990-9-17 1093 Sonoma on creek just below reservoir (about one mi n of Camp Meeker); Grub Creek 79 Comment
  UCD92457  Leymus X multiflorus P. G. Connors 1992-7-22 297 Sonoma Bodega Head and Dunes. Comment
  CAS-BOT-BC273566  Leymus californicus G. DeNevers 1981-7-1 1731 Sonoma Pepperwood Ranch. In the Pippindale Garden Comment
  UCR255737  Ligusticum apiifolium Greg de Nevers 1998-7-15 11294 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; Mark West Creek, just upstream of bridge at Mark West Lodge 134 Comment
  CAS-BOT-BC436056  Ligusticum grayi Rimo Bacigalupi 1926-5-2 1388 Sonoma Cazadero Comment
  CDA1615  Lilaea scilloides G. F. Hrusa, R. Gross, A. Buckmann 1996-3-29 12742 Sonoma North Coast Biodiversity Arena; Napa Valley bottom, immediately S of Tubbs Lane, approx. 2 m. NW of Calistoga. Comment
  CAS-BOT-BC451711  Lilaea scilloides Peter Rubtzoff 1958-5-3 3609 Sonoma Atascadero Creek Marsh. Comment
  UC1084423  Lilium maritimum G. Thomas Robbins 1938-6-23 267 Sonoma ca 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Comment
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Dec 13 2006
  RSA94315  Lilium occidentale Peter Rubtzoff 1951-7-22 538 Sonoma Pitkin Marsh near Forestville; northern half of lower marsh Comment
  CAS-BOT-BC130831  Lilium pardalinum Peter Rubtzoff 1955-7-24 1991 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC130833  Lilium pardalinum Peter Rubtzoff 1955-7-17 1971 Sonoma Guerneville Marsh Comment
  UC3723  Lilium pardalinum F. T. Bioletti 1892-1 Sonoma Point Arena Comment
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Oct 18 2008
  UC496430  Lilium rubescens Merle Randall 1930-6-11 Sonoma 2 mi from Cazadero (Christopher Ranch) 304 Comment
  CAS-BOT-BC110616  Limnanthes Charles Piper Smith 1908-4-1 1383 Sonoma Petaluma. Base of hills on east side of valley. Comment
  OBI12591  Limnanthes douglasii Lewis S. Rose 1965-4-4 65020 Sonoma Sonoma 24 Comment
  RSA184883  Limnanthes douglasii subsp. douglasii L. S. Rose 1965-4-4 65020 Sonoma Sonoma. 24 Comment
  SEINET5586467  Limnanthes douglasii var. nivea Paul But 1975-1 990 Sonoma Western end of Sebastopol city limit. Comment
  SD77925  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5689 Sonoma Meadow on north side of Hessel Road just west of Highway 116. Comment
  RSA800896  Limosella acaulis Peter Rubtzoff 1970-8-18 6310 Sonoma Five miles north of Sears Point. Comment
  RSA800897  Limosella acaulis Peter Rubtzoff 1970-9-16 6220 Sonoma 5 miles north of Sears Point. Comment
  UC908637  Linanthus acicularis Mrs. H. P. Bracelin and Susan Stokes 1930-7-27 3 Sonoma 2 mi n Bodega Comment
  UC566182  Linanthus androsaceus E. Armstrong 1934-3-26 936 Sonoma 4 mi n Camp Meeker; Sebastopol Quad. 60 Comment
  UC70407  Linanthus grandiflorus Milo S. Baker 1899-6-24 Sonoma near Valley Ford 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
  UCD110609  Linum usitatissimum P. B. Kennedy 1929-5-25 s.n. Sonoma Frick ranch, Del Mar, near Gualala. Comment
  UC75730  Lithophragma affine Miss M. Alice King May, 1897 Sonoma near Healdsburg; near Healdsburg Comment
  JEPS128242  Logfia filaginoides Roger Raiche 2000-5-4 077 .00 Sonoma The Cedars. Promentory, Cabin Site. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC342498  Logfia gallica John Thomas Howell 1930-6-8 5236 Sonoma Bodega Road 3 miles east of Valley Ford Comment
  UCD66406  Lolium perenne Beecher Crampton 1959-6-16 5372 Sonoma 0.2 miles E of Occidental. Comment
  UCD66417  Lolium perenne Mary M. Hektner; Sue Dakuzaku 1974-6-3 18 A Sonoma Sea Ranch, near State Highway 1. Comment
  RSA94286  Lolium perenne Peter Rubtzoff 1951-7-14 426 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  UCD55147  Lomatium californicum Ellen Dean; Tammie Beyerl 2006-4-28 3029 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 254 Comment
  UC140572  Lomatium californicum C. F. Baker 1903-4-20 2602 Sonoma Mt. St. Helena Comment
  JEPS15810  Lomatium caruifolium var. caruifolium W. L. Jepson 1921-6-2 9297 Sonoma Windsor 51 Comment
  UC1348892  Lomatium dasycarpum subsp. dasycarpum Robert F. Thorne 1965-4-20 34372 Sonoma ca. 6 mi. n. Sonoma (ca. 4 mi. up Cavedale Rd.) 411 Comment
  UCD127042  Lomatium dasycarpum subsp. dasycarpum Botany 102 Students 1993-5-8 262 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon. Comment
  JEPS128223  Lomatium dasycarpum subsp. tomentosum Roger Raiche 2000-5-4 059 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS25112  Lomatium nudicaule G. Thomas Robbins with Hsuan Keng and Erika Amstutz 1959-4-3 3968 Sonoma s.w. El Verano (along Arnold Dr.); Sonoma Valley 30 Comment
  CAS-BOT-BC240645  Lonicera hispidula Walter Knight; Irja Knight 1963-9-15 294 Sonoma Los Alamos Rd., Santa Rosa Comment
  UCD137317  Lonicera hispidula Mary M. Hektner 1974-7-8 138 Sonoma along State Highway 1, just north of Whalebone Reach, Unit 24 Owners' Map, Sea Ranch. Comment
  CAS-BOT-BC244003  Lonicera involucrata var. ledebourii A. A. Heller; H. E. Brown 1902-3-10 5015 Sonoma Hills east of Santa Rosa Comment
  CAS-BOT-BC244007  Lonicera involucrata var. ledebourii Peter Rubtzoff 1951-5-28 83 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC241419  Lonicera japonica Peter Rubtzoff 1952-5-31 1130 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west Comment
  CAS-BOT-BC290638  Lotus Peter Rubtzoff 1974-6-2 7503 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC294701  Lotus Peter Rubtzoff 1971-5-8 6438 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC540824  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rohnert Park., creek bed west of Commrece Blvd. crossing. Comment
  RSA0020334  Lotus Peter Rubtzoff 1971-5-8 6452 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  RSA620425  Lotus formosissimus Peter Rubtzoff 1959-5-30 4061 Sonoma Freestone Marsh. Comment
  UC729989  Lotus heermannii Leo F. Koch 1940-4-20 804 Sonoma 8.8 mi s Stewarts Point (along Highway 1) Comment
  UC58330  Lotus junceus A. A. Heller 1903-4-25 6597 Sonoma Fort Ross Comment
  SD62044  Lotus pedunculatus Darley F. Howe 1965-8-3 4102 Sonoma 8 miles east of Bodega Bay on Hwy 1 Comment
  JEPS55883  Lotus stipularis var. stipularis F. T. Bioletti 1893-6-7 Sonoma Hood Peak Comment
  SEINET3694616 Image available Lotus wrangelianus A. A. Heller 1938-5-14 15079 Sonoma North of Bodega Bay Comment
  RSA31789  Lotus wrangelianus A. A. Heller 1938-5-14 15079 Sonoma Bluff north of Bodega Bay. Comment
  UCD66030  Ludwigia hexapetala B. J. Grewell 2006-7-21 06- 22 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Gallo's Laguna Ranch, downstream of Guerneville Rd Bridge/gaging stn. East of Hwy 116, Sebastopol across channel from Laguna Wastewater Treatment Delta Pond discharge. 16 Comment
  UCD66048  Ludwigia hexapetala B. J. Grewell; Keenan Foster 2005-9-14 05- 18 -LU Sonoma Russian River at Cloverdale Airport. 79 Comment
  UCD78331  Ludwigia hexapetala B. J. Grewell 2005-11-21 05- 45 -LU Sonoma Local tributary to Mark West Creek, n. side River Road, Santa Rosa across rd. from Martinelli Winery. Within Laguna de Santa Rosa sub-basin of the Russian River Watershed. 28 Comment
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Aug 10 2011
  SBBG60088  Ludwigia peploides L. Rowntree 1931-8-26 Sonoma near Sonoma Comment
  SEINET7067330 Image available Lupinus A. G. Vestal 1947-5-16 s.n. Sonoma About 8.2 miles East of Windsor on Mendocino Avenue [in Santa Rosa]. Coordinate datum: NAD27. UTM Zone 10, 524713mE, 4255867mN. Comment
  UC424853  Lupinus Milo S. Baker 1929-5-7 3452 b Sonoma near Sebastopol; near Sebastopol Comment
  JEPS77262  Lupinus albifrons var. albifrons Robert M. Lloyd 1963-4-24 2399 Sonoma 16.5 mi from State Hwy. 12 on road to Oakdale 274 Comment
  UCD106014  Lupinus albifrons var. albifrons Botany 102 Students 1993-4-24 104 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 1.3 air miles SE of Red Mtn, about 25 meters S of Sonoma Creek along Meadow Trail about 0.25 miles from intersection with Brushy Peaks and hillside Trails. 396 Comment
  UCD106018  Lupinus albifrons var. albifrons A. A. Heller; H. E. Brown 1902-3-27 5162 Sonoma Western Base of Mt. Hood Comment
  SEINET10871206  Lupinus albifrons var. collinus Joseph W. Congdon 1880-5-30 Congdon UMO 43462 Sonoma Comment
  LA205175  Lupinus arboreus J. A. Ewan; 1935-5-12 9231 Sonoma 1.5 mi. W of Bodega on Bodega Bay road Comment
  UC1129574  Lupinus bicolor H. S. Yates 1934-4-21 3820 Sonoma near Monte Rio; Duncans Mills Quad., near Monte Rio Comment
  UCD167409  Lupinus bicolor James Neilson 1977-3-25 3852 Sonoma Mayacmas Mountains, about 3 miles south Pine Flat on Pine Flat Rd. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR248903  Lupinus bicolor Peter Rubtzoff 1969-5-11 6043 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  CAS-BOT-BC187858  Lupinus chamissonis Alice Eastwood; John Thomas Howell 1939-4-2 7362 Sonoma Larkspur Rock Comment
  SEINET10737353 Image available Lupinus densiflorus var. lacteus Marcus E. Jones 1882-7-17 Jones 3329 Sonoma Duncan's Mills. Comment
  SEINET10485343  Lupinus formosus P. Rubtzoff 1974-6-22 Rubtzoff 7624 Sonoma Todd road, 1.5 mi from hwy 116 and .5 mi from (w of) llano road. Vernally wet, Now dry meadow. Comment
  CDA36829  Lupinus latifolius CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  SEINET10450573  Lupinus latifolius Frederick H. Utech, Walter Knight; Irja Knight 1984-4-16 Utech 84 -084 Sonoma Ca 4.0 mi NNW of Sonoma on Cavedale Rd from jct with CA Hwy 12; ca 0.5 mi N on Cavedale Rd from jct. Plants perennial; scattered in dry, open chaparral. 152 Comment
  SEINET10485450  Lupinus latifolius Yates 1934-4-22 YATES 6336 Sonoma 2 mi. E mark west. T8n, r8w. N slope. 213 Comment
  SEINET10490782  Lupinus latifolius subsp. latifolius Robert F. Thorne 1965-4-19 Thorne 34317 Sonoma Fls violet; on well-drained embankment in douglas-fir forest; harrison grade, 1/2 Mi. From green valley rd.; With calycanthus, pseudotsuga, umbellularia, etc 152 Comment
  SEINET10936597  Lupinus latifolius subsp. latifolius Joseph W. Congdon 1880-4-12 Congdon s.n. Sonoma Santa rosa rd. Comment
  UC201959  Lupinus littoralis Milo S. Baker 1899-6-27 Sonoma Coast road near Bodega Bay; Coast Road near Bodega Bay Comment
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Apr 13 2007
  SEINET5790384 Image available Lupinus microcarpus Marcus E. Jones 1882-1 3329 Sonoma Duncan's Mills Comment
  UC865135  Lupinus microcarpus var. densiflorus A. A. Heller 1938-5-14 15092 Sonoma hills between Petaluma and Napa; between Pelaluma and Napa Comment
  UC424873  Lupinus microcarpus var. densiflorus Milo S. Baker 1930-4-16 4117 a Sonoma on the Lakeport Hiway a few mi e Hopland; e of Hopland Comment
  CAS-BOT-BC8457  Lupinus microcarpus var. microcarpus Marcus Eugene Jones 1882-7-17 3329 Sonoma Duncan's Mills 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
  SEINET13184149 Image available Lupinus nanus A. G. Vestal 1955-5-7 s.n. Sonoma Comment
  UCD108932  Lupinus nanus Frederica Bowcutt 1996-3-24 2083 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air mile SSE of Red Mountain. Near large rock outcrop/Vista Rock along Vista Trail. 563 Comment
  UCD109252  Lupinus nanus R. Tofsrud 1948-5-1 s.n. Sonoma Cloverdale. Comment
  UC82220  Lupinus pachylobus Alice Eastwood 1900-4-7 Sonoma Altruria Comment
  CAS-BOT-BC320548  Lupinus polycarpus Peter Rubtzoff 1969-5-11 6045 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  RSA0022414  Lupinus polycarpus Peter Rubtzoff 1971-5-8 6436 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mi west of Arnold Drive. Comment
  SEINET7040132 Image available Lupinus polycarpus A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  SEINET12164400  Lupinus propinquus F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -147 Sonoma between Salmon Creek & Cormet at junction of Coleman Valley Road & CA 1 12 Comment
  CAS-BOT-BC207259  Lupinus sericatus Greg de Nevers 1996-3-4 10783 Sonoma In Devil's Kitchen outcrops on Oak Hill Ranch east of Chalk Mountain, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 487 Comment
  JEPS83488  Lupinus sericatus Jack and Betty Guggolz 1986-4-23 864 Sonoma on a w-facing steep bank on the Kelly Road 0.2 mi w of the junction with Rockpile Road Comment
  JEPS77251  Lupinus succulentus Robert M. Lloyd 1963-4-24 2390 Sonoma on road to Oakdale 1.3 mi from State Highway 12; rd to Oakdale 243 Comment
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Sep 25 2013
  SD39054  Lupinus tidestromii Edith A. Purer 1932-7-24 4082 a Sonoma Near Bodega Bay. Comment
  RSA0036442  Lupinus variicolor Daisie Huang 2006-5-30 06053015 Sonoma Bodega Marine Laboratory. Coastal bluff near building. (waypt 30D). 2 Comment
  RSA0070026  Lupinus variicolor Daisie Huang 2006-5-30 06053015 Sonoma Bodega Marine Laboratory. Coastal bluff near building. (waypt 30D). 2 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
  UCSB50175  Lupinus variicolor Gray, John 1976-5-1 Sonoma At N Salmon Creek Beach on Highway 1; T 6N R 11W 18 Comment
  UCD166728  Luzula Peter Rubtzoff 1962-5-11 4818 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  UCD142103  Luzula comosa Gerry North 1993-4 11 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Across road from Godspeed trailhead pullout. Shaded roadcut. 228 Comment
  CAS-BOT-BC436744  Luzula comosa var. comosa Peter Rubtzoff 1951-7-28 556 Sonoma Pitkin Marsh. near Forestville. Northern half of Lower Marsh Comment
  CHSC20576  Luzula macrantha Robert A. Schlising 1962-3-31 2129 Sonoma Coast Ranges. Ca 2 mi NE of Kenwood along road in to Sugarloaf Ridge. Comment
  CAS-BOT-BC441389  Luzula subsessilis John H. Thomas 1976-6-15 18315 Sonoma Southern end of the Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  UCR105440  Lythrum hyssopifolia Peter Rubtzoff 1956-9-15 2904 Sonoma Atascadero Creek Marsh Comment
  CDA18035  Lythrum hyssopifolia R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena Spring. 0 Comment
  SEINET7042722  Machaeranthera canescens A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  JEPS128282  Madia Roger Raiche 2005-4-22 019 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCR25221  Madia capitata John C. Roos 1957-6-28 6617 Sonoma Schellville 23 Comment
  UC1069866  Madia elegans H. S. Yates 1935-10-3 5347 Sonoma Santa Rosa; Santa Rosa Quadrangle Comment
  UC455510  Madia elegans I. J. Condit 1908-8-14 Sonoma Sebastopol Comment
  CAS-BOT-BC344038  Madia elegans CNPS Milo Baker Chapter 1985-8-20 601 Sonoma Rincon Valley, Santa Rosa Comment
  RSA144401  Madia exigua Roxana S. Ferris, Laura Lorraine 1961-6-15 13564 Sonoma Harrison Grade, 1.3 mile from junction with Green Valley Road Comment
  CAS-BOT-BC166733  Madia gracilis Peter Rubtzoff 1967-9-2 5876 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC343453  Madia gracilis John Thomas Howell 1937-7-4 13066 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC343457  Madia gracilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53968 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC343462  Madia gracilis J. Clausen 1935-5-23 1075 Sonoma 0.3 mi. N. of entrance to Petrified Forest Comment
  UCD160858  Madia gracilis James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3303 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC343460  Madia gracilis G. DeNevers 1981-5-23 1275 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC343471  Madia gracilis Catherine Best 1981-6-5 s.n. Sonoma Warm Springs Dam Overlook Comment
  UCD132826  Madia gracilis Frederica Bowcutt 1996-5-24 2160 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma/Rattlesnake Creek confluence on small knoll. 381 Comment
  POM261213  Madia gracilis subsp. gracilis L. S. Rose 1940-5-22 40370 Sonoma Sonoma 30 Comment
  UCR198240  Madia madioides Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .276 Sonoma Cavesdale Road 518 Comment
  UCR222554  Madia madioides George K. Helmkamp, E. A. Helmkamp 2010-6-5 16244 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  CAS-BOT-BC345219  Madia sativa David D. Keck 1933-5-28 2321 Sonoma 3.4 miles east of Shellville (just east of intersection of Sonoma road) Comment
  CAS-BOT-BC345260  Madia sativa David D. Keck 1933-11-6 2647 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  CAS-BOT-BC345262  Madia sativa David D. Keck; J. Clausen 1935-6-15 3365 a Sonoma 1 mi. N. of Salmon Creek Comment
  POM215200  Madia sativa D. D. Keck 1933-11-6 2647 Sonoma 1 mile north of Freestone on road to Occidental Comment
  CAS-BOT-BC345211  Madia sativa D. E. Breedlove 1961-12-31 1445 Sonoma At S side of mouth of Russian River 6 Comment
  CAS-BOT-BC345231  Madia sativa James I. McMurphy 1909-8-8 703 Sonoma Leddy, electric r.r. station between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC345253  Madia sativa Walter Knight; Irja Knight 1963-10-3 378 Sonoma Off-ramp at freeway US 101 and Railroad Ave - Cotati Comment
  CAS-BOT-BC345257  Madia sativa H. D. Ripley; R. C. Barneby 1945-6-22 6942 Sonoma North of Jenner 30 Comment
  POM53567  Madia sativa A. A. Heller 1902-8-18 6050 Sonoma Santa Rosa. 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
  UC452570  Marah fabacea Katharine Brandegee June 1905 Sonoma Bodega Comment
  RSA128555  Marah oregana P. H. Raven 1950-4-6 1601 Sonoma Lower slopes of Rincon Ridge. Comment
  CAS-BOT-BC348313  Matricaria occidentalis Peter Rubtzoff 1972-5-25 6772 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC262962  Medicago Peter Rubtzoff 1973-8-29 7282 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  RSA54042  Medicago arabica J. T. Howell 1948-4-18 24212 Sonoma Hills east of Agua Caliente. Comment
  HSC14982  Medicago polymorpha S. N. Wiemeyer 1962-4-20 27 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  CAS-BOT-BC269518  Melica californica A. A. Heller 1902-4-9 5246 Sonoma In a railroad cut three miles south of Healdsburg Comment
  UCD87346  Melica geyeri R. Tofsrud 1942-4-1 279 Sonoma Along Mark West road about 3 mi. above the Springs resort. Comment
  POM204773  Melica harfordii W. C. Blasdale, Jos Burtt Davy 1899-7-22 6001 Sonoma Guerneville. Comment
  UCD87571  Melica harfordii H. S. Yates 1937-5-31 6563 Sonoma 1 mile SW of Petrified Forest 274 Comment
  CAS-BOT-BC262565  Melica torreyana A. A. Heller 1902-3-27 5160 Sonoma Western base of Mt. Hood Comment
  UCD88826  Melica torreyana Virginia Bufford 1936-5-19 295 Sonoma Moss Cottage -- Los Guillicos Valley. Comment
  UCD89204  Melica torreyana R. Tofsrud 1942-4-1 s.n. Sonoma N. of Sonoma. Road to 'Top O'World. Comment
  UCR279644  Melilotus albus Peter Rubtzoff 1953-11-1 1432 Sonoma Vacation Beach, near Guerneville, along Russian River 3 Comment
  UCR218736  Melilotus indicus George K. Helmkamp, E. A. Helmkamp 2010-6-4 16223 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  CAS-BOT-BC262960  Melilotus indicus Peter Rubtzoff 1958-8-17 3893 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). 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-BC164085  Mentha Peter Rubtzoff 1966-10-9 5831 Sonoma Brooks Gulch Marsh. Comment
  RSA784596  Mentha Peter Rubtzoff 1955-8-28 2113 Sonoma Guerneville region: Russian River. Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC164365  Mentha Peter Rubtzoff 1956-9-15 2899 Sonoma Atascadero Creek Marsh. Comment
  CHSC112548  Mentha Peter Pubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi east of Healdsburg. Russian River. Comment
  RSA785216  Mentha Peter Rubtzoff 1958-8-16 3882 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  JEPS63448  Mentha pulegium W. L. Jepson 1903-10-4 2363 Sonoma near Monte Rio (Bohemian Club Grove, moist bed of winter pond); Bohemian Club Grove Comment
  UC883402  Mentha pulegium Lewis S. Rose 1938-9-11 38253 Sonoma Bloomfield 30 Comment
  SDSU7036  Mentha pulegium D. F. Howe 1962-7-8 3359 Sonoma Mark West Creek, 3.4 miles east of #101, Sonamo Co. Comment
  SEINET12330323  Mentha pulegium W. Knight, Knight, I. 1984-1 5429 Sonoma Willow Creek Road 61 Comment
  UCD148373  Mentha pulegium Peter Rubtzoff 1955-10-12 2165 Sonoma Duncans Mills Marsh, lower portion of marsh. Comment
  RSA785143  Mentha spicata Peter Rubtzoff 1968-8-24 5936 Sonoma Forest Hills, 5.5 mi E of Guerneville. On Russian River bank. Comment
  CAS-BOT-BC182772  Mentzelia laevicaulis Peter Rubtzoff 1958-9-7 s.n. Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  UCD151251  Mentzelia micrantha James A. Neilson Jr. 1974-7-10 2888 Sonoma Mayacmas Mountains. North of Little Geysers. 853 Comment
  UC26555  Mertensia F. T. Bioletti 1893-4-24 Sonoma Los Guilucos Valley Comment
  CAS-BOT-BC348625  Micropus californicus var. californicus David D. Keck 1933-5-28 2324 Sonoma 3.4 miles east of Shellville (just east of intersection of Sonoma road) Comment
  CAS-BOT-BC348628  Micropus californicus var. californicus G. DeNevers 1981-5-30 1359 Sonoma Pepperwood Ranch. Above Pippindale Pond Comment
  CAS-BOT-BC348856  Microseris douglasii subsp. douglasii Greg de Nevers 1993-4-11 10366 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  CAS-BOT-BC322750  Microseris paludosa Lawrence Beane; Lois E. James 1949-5-16 1941 Sonoma About 3 miles south of Healdsburg Comment
  CAS-BOT-BC322752  Microseris paludosa Alice Eastwood; John Thomas Howell 1936-5-19 2511 Sonoma 2 miles north of Windsor Comment
  CHSC34598  Microsteris gracilis Jeffrey D. Prouty 1979-4-11 220 Sonoma Ca. 7 mi n of Santa Rosa.Ca. 100 yds w of Mark West Springs Rd., ca. 300 yds n of jctn. with Michelle Way. 164 Comment
  UCD118900  Microsteris gracilis Botany 102 Students 1993-4-24 92 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail. 411 Comment
  CAS-BOT-BC311871  Mimulus Peter Rubtzoff 1973-7-24 7200 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC311873  Mimulus Peter Rubtzoff 1954-6-20 1513 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC320580  Mimulus Peter Rubtzoff 1962-5-30 4849 Sonoma Freestone Marsh. Comment
  RSA0022560  Mimulus Peter Rubtzoff 1970-6-21 6265 Sonoma Along sluggish tributary of Mark West Creek, ca. 3 mi west of Fulton. Comment
  RSA0025386  Mimulus Peter Rubtzoff 1964-7-29 5442 Sonoma Brooks Gulch Marsh. Comment
  RSA0025394  Mimulus Peter Rubtzoff 1962-5-30 4849 Sonoma Freestone Marsh. Comment
  RSA0025397  Mimulus Peter Rubtzoff 1955-7-9 1933 Sonoma Forestville Marsh. Comment
  RSA0025401  Mimulus Peter Rubtzoff 1954-6-20 1513 Sonoma Guerneville Marsh. Comment
  JEPS77266  Mimulus arvensis Robert M. Lloyd 1963-4-24 2403 Sonoma 18.3 mi e State Highway 12 (on road to Oakdale) 243 Comment
  JEPS78828  Mimulus aurantiacus var. aurantiacus Edward Lee 1936-6-7 2194 Sonoma fire trail on south ridge Bohemian Grove Comment
  POM5074  Mimulus aurantiacus var. aurantiacus Ivar Tidestrom 1895-6-14 11250 Sonoma Petaluma. Comment
  UCD122508  Mimulus cardinalis K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  CDA11329  Mimulus congdonii G. F. Hrusa 1995-4-2 12039 Sonoma North Coast Biodiversity Arena; Along Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  UCR248879  Mimulus guttatus Peter Rubtzoff 1964-7-29 5442 Sonoma Central Coast, Brooks Gulch Marsh 15 Comment
  SEINET6986285  Mimulus guttatus A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma Serpentine area 1 mile east of Occidental. Comment
  UC1063065  Mimulus tricolor E. Armstrong 1934-4-15 1210 Sonoma near Occidental; Sebastapol Quadrangle Comment
  UC727745  Minuartia californica Milo S. Baker 1946-4-2 11301 Sonoma rock outcrop just s Agua Caliente (along Sonoma-Santa Rosa Hwy, e side) Comment
  CAS-BOT-BC388891  Minuartia douglasii Roxana S. Ferris; Laura Lorraine 1961-6-14 13522 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  CAS-BOT-BC388897  Minuartia douglasii Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC388899  Minuartia douglasii Peter Rubtzoff 1957-5-26 3353 Sonoma Hillslope near Occidental-Graton road, 2.7 mi. east of Occidental Comment
  CAS-BOT-BC435110  Mollugo verticillata Peter Rubtzoff 1958-9-21 4002 Sonoma Vacation Beach, near Guerneville. Bottom of Russian River. Comment
  CAS-BOT-BC435112  Mollugo verticillata Peter Rubtzoff 1969-11-2 6206 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville. Comment
  UCD38476  Monardella villosa Beecher Crampton 1955-6-17 2970 Sonoma State Hwy. 1, 3.5 miles south of Fort Ross. Road cut on bluffs above the sea. Comment
  UC1561918  Monardella villosa subsp. franciscana Barbara Ertter 1989-6-19 8592 Sonoma Dry knoll S of junction Highway 1 and road to Goat Rock Beach S Russian River Comment
  CAS-BOT-BC314156  Monardella villosa subsp. subserrata Peter Rubtzoff 1952-6-3 1138 Sonoma Fitch Mtn Grove, near Healdsburg. Comment
  JEPS51860  Monardella villosa subsp. villosa Eleanor Armstrong 1932-5-15 458 Sonoma 8 mi north Santa Rosa. 121 Comment
  CAS-BOT-BC314204  Monardella villosa subsp. villosa H. D. Ripley; R. C. Barneby 1945-6-22 6939 Sonoma N. of Jenner 30 Comment
  SEINET12320782  Monardella viridis W. Knight, Knight, I. 1981-1 3958 Sonoma 2.3mi up Cavedale Road from State Hwy #12 Comment
  SEINET12330779  Monardella viridis W. Knight, Knight, I.; Edwards, S. 1986-1 5528 Sonoma Pepperwood Nature Preserve on Franz Valley Road, on W rim of Devil's Garden Comment
  JEPS83653  Monardella viridis subsp. viridis R. Raiche 1987-7-5 70380 Sonoma N of Cazadero, The Cedars, Big Austin Creek drainage, between Gravelly Springs and Red Slide Creek. 304 Comment
  CAS-BOT-BC166777  Montia Peter Rubtzoff 1967-5-21 5841 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  CAS-BOT-BC7347  Montia clara Amos Arthur Heller 1902-4-16 5313 Sonoma Santa Rosa Comment
  CAS-BOT-BC444984  Montia fontana H. L. Mason 1926-3-20 2752 Sonoma Along railroad right-of-way, south of Calistoga Comment
  UC634934  Montia fontana H. L. Mason 1926-3-20 2752 Sonoma s of Calistoga (along railroad right-of-way) Comment
  CAS-BOT-BC445060  Montia linearis Alice Eastwood 1921-4-24 10348 Sonoma Santa Rosa Comment
  SEINET12348989  Myosotis discolor F. H. Utech 1988-5-19 88 -193 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 Comment
  CAS-BOT-BC257696  Myosurus Peter Rubtzoff 1974-5-11 7402 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC251166  Myriophyllum aquaticum Peter Rubtzoff 1963-7-6 5195 Sonoma Laguna de Santa Rosa area east of Cunningham. Comment
  UCD165115  Myriophyllum aquaticum Peter Rubtzoff 1973-10-10 7334 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  RSA800336  Myriophyllum hippuroides Peter Rubtzoff 1966-8-21 5797 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC260071  Nassella lepida John Thomas Howell; et al. 1981-5-14 53946 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  SEINET257981  Nassella manicata Mary E. Barkworth, D. Amme 1989-5-15 5170 Sonoma About 2 mi. N of Jenner on US 1. Comment
  CAS-BOT-BC260288  Nassella pulchra W. L. Jepson 1911-4-30 4181 Sonoma Sonoma Valley 83 Comment
  JEPS497  Nassella pulchra W. L. Jepson 1911-4-30 4181 Sonoma Sonoma Valley 83 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
  UCD87447  Nassella pulchra A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3562 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  UCD116053  Nasturtium officinale Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1786 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 with Rattlesnake Creek. 350 Comment
  CAS-BOT-BC60526  Nasturtium officinale Mary P. Wells 1985-7-10 549 Sonoma Kings Ridge Road. Comment
  RSA94328  Nasturtium officinale Peter Rubtzoff 1951-6-9 158 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  JEPS70315  Navarretia heterodoxa W. L. Jepson 1895-8-30 20959 Sonoma near Napa Valley; Petrified Forest Comment
  UC1008714  Navarretia heterodoxa Beecher Crampton 1950-6-27 597 Sonoma 6 mi ne Glen Ellen (on Trinity Road) Comment
  CAS-BOT-BC230368  Navarretia leucocephala subsp. bakeri Peter Rubtzoff 1961-7-22 4672 Sonoma Bennett Mountain Lake Comment
  JEPS86365  Navarretia leucocephala subsp. bakeri Jack and Betty Guggolz 1988-5-12 932 Sonoma D. Carinalli property, on the n side of the laguna Comment
  JEPS86768  Navarretia leucocephala subsp. bakeri Jack and Betty Guggolz 1990-4-6 1030 Sonoma about 1.25 mi nw old Windsor (n side Promenade Lane and e of Herb Lane [Road]) 41 Comment
Read comments
May 29 2009
  CAS-BOT-BC232686  Navarretia pubescens D. E. Breedlove 1980-6-28 44809 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD55331  Navarretia squarrosa Ellen Dean 2006-6-28 3174 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  CDA20084  Navarretia squarrosa R. Gross 2002-12-7 s.n. Sonoma North Coast Ranges; Foote Ranch, 16041 Hwy 128, Kellogg. 0 Comment
  UC101996  Navarretia tagetina Katharine Brandegee Jun 1905 Sonoma between Santa Rosa and Sebastopol Comment
  POM311202  Navarretia viscidula H. K. Sharsmith 1952-7-6 4178 Sonoma Stewart's Point road 12.2 miles west of Skagg's Springs 579 Comment
  POM118672  Nemophila heterophylla Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UC58517  Nemophila heterophylla A. A. Heller 1903-4-24 6619 Sonoma near Cazadero; near Cazadero Comment
  UC606893  Nemophila heterophylla L. Constance 1938-4-24 2151 Sonoma 2 mi ne Bodega (Salmon Creek); , ne of Bodega 91 Comment
  POM125417  Nemophila heterophylla Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena. Comment
  POM65258  Nemophila heterophylla A. A. Heller, H. E. Brown 1902-3-16 s.n. Sonoma Russian River, Near Trenton. Comment
  UC1299130  Nemophila menziesii Freed W. Hoffman 1947-3-31 884 Sonoma Chimney Rock near Monte Rio; near Monte Rio, Chimney Rock Comment
  JEPS1477  Nemophila menziesii var. atomaria Eleanor Armstrong 1933-4-15 748 Sonoma Bodega Hill 6 Comment
  POM179734  Nemophila menziesii var. atomaria A. A. Heller 1903-4-23 6600 Sonoma Fort Ross. Comment
  UC67151  Nemophila menziesii var. atomaria Milo S. Baker 1899-3 Sonoma near Kenwood (Dr. Turk Canyon); Dr Turk Canyon, near Kenwood Comment
  CAS-BOT-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
  UCR255657  Nicotiana Greg de Nevers 1997-10-17 11106 Sonoma North Coast Range, Santa Rosa, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 400 Comment
  JEPS13900  Nicotiana acuminata var. multiflora W. L. Jepson 1914-9-19 6191 Sonoma Agua Caliente; Sonoma Valley 25 Comment
  SEINET12327553  Nicotiana acuminata var. multiflora W. Knight, Knight, I.; Edwards, S. W. 1984-1 5043 Sonoma along Willow Creek near Stony Point Rd, between Corona Rd & Old Redwood Hwy 6 Comment
  SEINET12337434  Nicotiana attenuata W. Knight, Knight, I. 1989-1 6500 Sonoma Ely Road near corner of Corona Road near Petaluma 9 Comment
  SACT001614  Notholcus lanatus M. Wiesendanger 1927-5-5 Sonoma Comment
  CAS-BOT-BC400123  Nuphar polysepala Peter Rubtzoff 1960-9-14 4543 Sonoma Laguna de Santa Rosa east of Graton (between Occidental and Guerneville roads) Comment
  CAS-BOT-BC400127  Nuphar polysepala Mary P. Wells 1984-7-20 368 Sonoma Sagpond east of Timber Ridge Road near the air strip. The Sea Ranch Comment
  JEPS76925  Oemleria cerasiformis Robert M. Lloyd 1963-2-24 2054 Sonoma 4 mi s State Highway 12 (on State Highway 1) 15 Comment
  CAS-BOT-BC368058  Oemleria cerasiformis Greg de Nevers 1998-5-20 11255 Sonoma Mark West Creek on Cresta Ranch Comment
  JEPS77874  Oenanthe sarmentosa Robert M. Lloyd 1965-5-8 3637 Sonoma e. of Cunningham s.e. of Sebastopol (ca. 4 mi. n. of Rte. 116, Llano Rd., upper portion of Laguna de Santa Rosa Marsh); Laguna de Santa Rosa Marsh Comment
  POM232044  Oenanthe sarmentosa Roxana S. Ferris 1937-8-18 9376 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC376284  Olea europaea Greg de Nevers 1995-5-9 10723 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In quarry by Ward House 487 Comment
  UC519193  Orobanche vallicola Bernard Lile 1933-10-1 Sonoma Russian River near Cloverdale; Russian River Comment
  RSA789045  Orthocarpus faucibarbatus Carrie A. Herd 1982-4-25 75 Sonoma Crane Creek Regional Park. Comment
  POM182702  Orthocarpus faucibarbatus var. albidus D. D. Keck 1931-4-1 995 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma) 10 Comment
  RSA32863  Orthocarpus faucibarbatus var. albidus A. A. Heller 1937-5-1 16176 Sonoma Along State Highway #1, on the bluff at Bodega Bay, south of the Town of Bay. Comment
  UCD127789  Osmorhiza berteroi M. Wiesendanger 1927-5-7 731 Sonoma Kenwood Springs. Comment
  UCD110970  Oxalis oregana Donna Allen 1977-5-29 s.n. Sonoma dry creek roadside 5 miles from coast. Comment
  HSC16713  Oxalis pes-caprae S. N. Wiemeyer 1962-4-13 9 Sonoma 2.1 mi. N of Jct. of Calistoga Rd. and Hwy. 12 274 Comment
  CAS-BOT-BC316926  Packera greenei Helen Katherine Sharsmith 1952-6-18 4127 Sonoma Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains. 975 Comment
  CAS-BOT-BC227645  Panicum Peter Rubtzoff 1978-9-10 9263 Sonoma Russian River at Del Rio Beach, ca. 2.5 mi. east of Healdsburg on S. Fitch Mountain Road. Comment
  CAS-BOT-BC376219  Panicum Greg de Nevers 1996-9-6 10873 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Mark West Creek 487 Comment
  CAS-BOT-BC376262  Panicum Greg de Nevers 1996-9-23 10882 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek x Piney Canyon 487 Comment
  CHSC83174  Panicum acuminatum var. acuminatum Beecher Crampton 1964-8-18 7139 f Sonoma The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). Banks along road to steam well. 493 Comment
  UCD89123  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 a. Sonoma Northeast Sonoma County: 'The Geysers'. Comment
  CAS-BOT-BC253799  Panicum hillmanii John H. Thomas 1969-9-21 15476 Sonoma About 1 mile N of Graton along Highway 116 Comment
  UCD89754  Panicum miliaceum P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC259691  Paspalum dilatatum Peter Rubtzoff 1961-10-18 4768 Sonoma Cunningham Marsh, at the border of the marsh Comment
  CAS-BOT-BC259693  Paspalum dilatatum John Thomas Howell; Walter & Irja Knight 1981-6-4 6244 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC265690  Paspalum distichum Peter Rubtzoff 1955-7-17 1973 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC265692  Paspalum distichum Peter Rubtzoff 1951-6-9 181 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  JEPS25514  Pedicularis densiflora Paul C. Hutchison 1961-2-5 882 Sonoma 2 mi e of Stewarts Point (along the South Fork of the Gualala River, on road from Stewarts Point to Healdsburg); Indian Rancheria, Gualala River 182 Comment
  UCD165222  Pelargonium Peter Rubtzoff 1974-6-9 7585 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC69302  Pellaea andromedifolia D. E. Breedlove 1980-6-28 44816 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CDA17202  Pellaea andromedifolia G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16201 Sonoma North Coast Biodiversity Arena; Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  UCD137553  Pellaea andromedifolia Frederica Bowcutt 1994-6-12 1870 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Pony Gate Trail above Adobe Canyon Road (road visable from trail). Less than 1/8 mile SW of trail juncture with Pony Gate Gulch Creek. 326 Comment
  UC354468  Penstemon heterophyllus var. heterophyllus Milo S. Baker 1904-6-1 Sonoma Sonoma Creek Canyon above Maple Glen; Sonoma Creek Canyon above Maple Glen Comment
  CAS-BOT-BC245721  Penstemon newberryi var. sonomensis F. T. Bioletti 1892-5-1 74 Sonoma Hood's Peak Comment
  JEPS83484  Penstemon newberryi var. sonomensis Jack and Betty Guggolz 1986-5-27 876 Sonoma just to the nw lookout on Mt. St. Helena; nw of the lookout on Mt. St. Helena Comment
  CAS-BOT-BC245723  Penstemon newberryi var. sonomensis Rimo Bacigalupi 1920-5-30 s.n. Sonoma Summit of Mt. St. Helena, Lake-Sonoma Co. Comment
  UC35615  Pentachaeta exilis F. T. Bioletti 1892-1 Sonoma 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-BC71733  Pentagramma triangularis subsp. triangularis John H. Thomas 1976-6-18 18358 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville Comment
  UCD137796  Pentagramma triangularis subsp. triangularis C. Wistrom 1996-5-26 37 Sonoma Healdsburg. 1735 Dry Creek Road. 48 Comment
  CAS-BOT-BC222748  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1958-7-26 3798 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  UC1329519  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-8-30 5872 Sonoma Upper Marsh Pitkin Marsh (southern part, near Forestville) Comment
  UC1389975  Perideridia kelloggii T. I. Chuang 1963-5-8 5756 Sonoma 6 mi nw Cloverdale Comment
  CAS-BOT-BC368035  Persicaria amphibia Greg de Nevers 1998-6-28 11296 Sonoma Lautenberg Ranch, Spencer Lane, Knights Valley. Comment
  CAS-BOT-BC413661  Persicaria amphibia Peter Rubtzoff 1966-10-9 5834 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Rd. Comment
  UCD99359  Persicaria amphibia Ann F. Johnson 1979-6-19 s.n. Sonoma South of entrance road to Bodega Dunes State Park. Comment
  CAS-BOT-BC418924  Persicaria hydropiperoides Peter Rubtzoff 1960-6-9 4476 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road Comment
  CAS-BOT-BC418898  Persicaria hydropiperoides Peter Rubtzoff 1951-9-2 711 Sonoma Pitkin Marsh, near Forestville. North of the Lower Marsh Comment
  CAS-BOT-BC419109  Persicaria lapathifolia Peter Rubtzoff 1962-10-23 5127 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC419271  Persicaria maculosa Peter Rubtzoff 1965-8-29 5630 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville) 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-BC419421  Persicaria punctata Peter Rubtzoff 1952-10-26 1334 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  CAS-BOT-BC419429  Persicaria punctata Peter Rubtzoff 1955-9-24 2156 Sonoma Guerneville Marsh Comment
  CDA12022  Petasites frigidus var. palmatus G. F. Hrusa 1990-3-29 7584 Sonoma North Coast Biodiversity Arena; on of Stewarts Pt. rd. approx. 1 m E of Hwy. 1. Comment
  RSA790299  Petasites frigidus var. palmatus Peter Rubtzoff 1960-6-10 4495 Sonoma Fife Creek Marsh. Comment
  UC35655  Petasites frigidus var. palmatus H. N. Bolander 1864-1 3965 Sonoma Geysers Pine Mountain Comment
  CAS-BOT-BC330276  Petasites frigidus var. palmatus Alice D. Sargent 1922-4-18 s.n. Sonoma Near Montesano on Russian River Comment
  UC1333289  Phacelia californica Malcolm L. Byce 1936-3-21 147 Sonoma 1 1/2 mi e Bodega Bay; Larkspur Rock Comment
  JEPS22726  Phacelia distans Rimo Bacigalupi 1958-5-24 6364 Sonoma n slope just below Camp Meeker; Dutch Bill Creek Canyon, Alder Canyon 97 Comment
  SD72106  Phacelia distans H. S. Yates 1934-4-21 Sonoma Near Bodega Comment
  CAS-BOT-BC133859  Phacelia distans Doris K. Kildale 1928-4-1 4398 Sonoma Top of grade just north of Cloverdale on Redwood Highway Comment
  UCD120385  Phacelia distans E. F. Beukman 1964-4-21 20 Sonoma ca. 1/2 mile from town of Bodega Bay on road to Bodega head. Comment
  JEPS1968  Phacelia egena F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  UCD158769  Phacelia heterophylla subsp. virgata James A. Neilson Jr. 1974-7-10 2830 Sonoma Mayacmas Mountains,west of Cobb Mtn., road to PG and E geothermal units 9 and 10. (Elevation estimated using Google Earth by label maker.) 975 Comment
  SD72089  Phacelia imbricata John Thomas Howell 1929-6-9 4302 Sonoma 2.0 miles north of Sonoma. Comment
  UC1051811  Phacelia nemoralis subsp. nemoralis L. R. Heckard 1952-4-14 226 Sonoma roadcuts and roadsides about 2.5 mi e Alexander Flat (along rd to Pine Valley) 60 Comment
  RSA783846  Phalaris angusta Peter Rubtzoff 1972-6-23 6785 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC259020  Phalaris californica Peter Rubtzoff 1962-6-1 4859 Sonoma Freestone Marsh Comment
  CAS-BOT-BC259022  Phalaris californica H. S. Yates 1936-5-16 5618 Sonoma Near Green Valley School 91 Comment
  UCD88771  Phalaris californica H. S. Yates 1936-5-16 5618 Sonoma California Forest and Range Experiment Station. Near Green Valley School. 91 Comment
  CAS-BOT-BC210061  Phalaris lemmonii Peter Rubtzoff 1972-6-23 6784 Sonoma Atascadero Creek Marsh. Comment
  UC1023572  Phalaris minor Virginia Bufford 1936-5-19 259 Sonoma Bennett Valley 2 or 3 mi from Santa Rosa; Bennett Valley Comment
  UC1011003  Phalaris paradoxa Virginia Bufford 1936-5-20 307 Sonoma Mark West Creek Rd about 3 or 4 mi from Redwood Hiway; Mark West Creek Rd. Comment
  UC50459  Phalaris paradoxa Mr. Leckenby June 1896 Sonoma Petaluma Comment
  UCD89374  Phalaris paradoxa Beecher Crampton 1957-7-11 4295 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  JEPS128214  Phlox speciosa Roger Raiche 2002-5-26 009 .02 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC353923  Phlox speciosa subsp. nitida Milo S. Baker 1928-3-24 2718 c Sonoma 5 mi w Healdsburg (Jensen Ranch) Comment
  CAS-BOT-BC135036  Phoradendron bolleanum John Thomas Howell 1933-4-2 10961 Sonoma 2 miles E of Occidental Comment
  CDA22385  Phoradendron macrophyllum C. W. Nichols, W. O. McCartney 1966-1-17 Sonoma W. P. Tischer property, 1270 Gravenstein Highway North, ca. 1 mile north of Sebastopol. 0 Comment
  UC326  Phyllospadix scouleri Milo S. Baker 1899-5-28 Sonoma Russian River; mouth Comment
  CAS-BOT-BC376239  Physalis philadelphica Greg de Nevers 1992-10-15 10251 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek 304 Comment
  CAS-BOT-BC376257  Physalis philadelphica Greg de Nevers 1992-7-30 10236 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 304 Comment
  CAS-BOT-BC140615  Physocarpus capitatus Lester Rowntree 1932-6-11 s.n. Sonoma Bodega Comment
  UC12453  Physocarpus capitatus Harley P. Chandler 1900-5-25 656 Sonoma Bodega Comment
  UCD113680  Physocarpus capitatus Mary M. Hektner 1975-6-3 208 Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CDA20075  Phytolacca americana R. Gross 2002-10-26 s.n. Sonoma Northwestern California; Hwy 128 at Foss Hill Rd. 0 Comment
  CDA39793  Phytolacca americana var. americana Peter Warner 2013-8-18 297 Sonoma 5381 Thomas Road, Sebastopol (northwest of Graton); along driveway, inside fenced area. 0 Comment
  RSA796384  Picris echioides Peter Rubtzoff 1964-8-26 5489 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 Comment
  NY49679  Pinus contorta var. contorta S. Flowers 1988-2-5 s.n. Sonoma Sonoma Road marker, Highway 1, 52.32 mile at Pebble Beach Access trail, across Sea Ranch. Tree located 20 ft. west of Highway 1 and 12 ft. north off parking entrance Comment
  UC1505975  Pinus muricata Daniel I. Axelrod 1983-7-7 E 3 Sonoma Vicinity of Salt Point; along State Hwy 1 76 Comment
  RSA394829  Pinus muricata var. borealis D. Axelrod 1983-7-7 E- 3 Sonoma Vicinity Salt Point, Sate Highway 1. 76 Comment
  JEPS128295  Piperia elongata Roger Raiche 2010-7-11 034 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC176145  Plagiobothrys Peter Rubtzoff 1969-5-11 6032 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC376421  Plagiobothrys Greg de Nevers 1989-4-1 9056 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UCD166127  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCR244611  Plagiobothrys Peter Rubtzoff, H. A. Froebe 1971-5-30 6488 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC166946  Plagiobothrys Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  RSA784980  Plagiobothrys bracteatus Peter Rubtzoff 1969-5-11 6040 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  UCR279865  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-16 6231 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  RSA369973  Plagiobothrys greenei L. S. Rose 1949-4-6 49028 Sonoma Western outskirts of Sonoma 30 Comment
  RSA0062817  Plagiobothrys reticulatus Greg de Nevers 1989-04 9070 Sonoma Pepperwood Ranch, 3450 Franz Valley Road. By Murrys Gate. 100 Comment
  UCR255045  Plagiobothrys reticulatus var. reticulatus Greg de Nevers 1989-1 9070 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD35306  Plagiobothrys tenellus Beecher Crampton 1955-4-5 2409 Sonoma 3 miles west of Fulton, along Woolsey Road, below Mt. Olivet School. Comment
  SEINET6990031  Plantago erecta A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma Serpentine area, 1 mile east of Occidental. Comment
  UCD124491  Plantago erecta Valerie Bullock; Erik Beever, Rimy Waraich, Patti Togioka 1993-5-8 219 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail at base of wooded area. 365 Comment
  JEPS103958  Plantago lanceolata Jack and Betty Guggolz 1991-5-27 1158 Sonoma E side of Hwy 1 just S of the S end of Meyers Grade Comment
  SD88566  Plantago maritima subsp. juncoides Darley F. Howe 1972-5-3 Sonoma 4.0 miles north of Ft. Ross. Comment
  UC1057476  Platanthera leucostachys G. Thomas Robbins 1937-5-23 208 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Comment
  RSA94009  Platanthera leucostachys Peter Rubtzoff 1951-5-28 84 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  SBBG53028  Platystemon californicus M. R. Benedict 1978-4-18 Sonoma St Hwy 128, 5 mi W of Calistoga Comment
  UC766307  Plectritis brachystemon R. F. Hoover 1941-5-14 5082 Sonoma 3 mi s of Monte Rio (on road to Camp Meeker) Comment
  UCD90170  Pleuropogon californicus David L. Morgan 1961-4-25 s.n. Sonoma near Stemple Creek, 3 miles southwest of Cotati. Comment
  UCR255690  Pleuropogon californicus Greg de Nevers 1998-4-28 11207 Sonoma North Coast Range, Cresta Ranch, Cresta Road east of Mark West Lodge, on flood plain of Mark West Creek 137 Comment
  RSA0057956  Pleuropogon californicus Greg de Nevers 1998-4-28 11207 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge. Comment
  CAS-BOT-BC260989  Pleuropogon californicus var. californicus John Thomas Howell 1946-3-31 21593 Sonoma SW of Sonoma Comment
  CAS-BOT-BC260974  Pleuropogon californicus var. californicus Peter Rubtzoff 1955-4-30 1802 Sonoma Laguna de Santa Rosa east of Sebastopol 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
  RSA127248  Pleuropogon californicus var. californicus J. T. Howell 1944-5-14 19484 Sonoma Between Petaluma and Chileno Valley. Comment
  UC1258217  Pleuropogon hooverianus Paul But 1975-5-17 P 4 Sonoma 0.5 mi from Freestone (on Bohemian Hwy at Freestone Flat Road) Comment
  CAS-BOT-BC311837  Poa Peter Rubtzoff 1974-4-6 7350 Sonoma Kenwood Marsh. Comment
  UCD92180  Poa Beecher Crampton 1957-7-11 4294 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD92206  Poa Collector Unknown 1941-5-1 371 Sonoma near Wright School. Comment
  CAS-BOT-BC422348  Poa Peter Rubtzoff 1976-5-30 8572 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC173704  Poa annua Peter Rubtzoff 1989-4-30 9990 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC255609  Poa annua G. DeNevers 1981-3-14 544 Sonoma Pepperwood Ranch. Pippindale farm, 7 miles NE of Santa Rosa near Mark West lodge, along Leslie Road, opposite the grey willows Comment
  CAS-BOT-BC255601  Poa annua Mary P. Wells 1981-4-18 s.n. Sonoma Community garden, The Sea Ranch Comment
  UCD91156  Poa howellii Collector Unknown 1941-4-1 369 Sonoma side road off Trinity Road. Comment
  CAS-BOT-BC256024  Poa pratensis Rimo Bacigalupi 1926-5-2 1406 Sonoma Cazadero Comment
  CHSC20580  Poa pratensis Carol C. Getzinger 1964-5-9 80 Sonoma .5 miles north of Marin County line on highway 37. Roadside close to field. 30 Comment
  UC1023576  Poa pratensis subsp. pratensis Virginia Bufford 1936-5-22 395 Sonoma ca 5 mi from Annapolis (road to Pt Arena) Comment
  UC1024766  Poa secunda subsp. secunda Leo Whitney 1935-3-16 2266 Sonoma near Occidental Occidental Comment
  UCD92089  Poa secunda subsp. secunda L. Whitney 1935-3-16 s.n. Sonoma Near Occidental. Comment
  CAS-BOT-BC244193  Poa trivialis Peter Rubtzoff 1951-7-8 410 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC244197  Poa trivialis Peter Rubtzoff 1960-6-5 4430 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road Comment
  CAS-BOT-BC244259  Poa unilateralis A. A. Heller 1902-4-11 5279 Sonoma Bodega Bay Comment
  SEINET10659519  Poa unilateralis A. Arthur Heller Heller 5279 Sonoma Bodega Bay. Comment
  UCD125414  Pogogyne douglasii Peter Rubtzoff 1971-5-30 6487 Sonoma 4.25 miles west of Glen Ellen. Comment
  JEPS86349  Pogogyne douglasii subsp. parviflora Jack and Betty Guggolz 1988-5-17 936 Sonoma Vicini property, just south of a creek and just west of the east property line Comment
  POM233136  Pogogyne douglasii subsp. parviflora Lyman Benson 1930-6-18 2164 Sonoma South of Santa Rosa. 61 Comment
  CDA11013  Polycarpon tetraphyllum G. F. Hrusa 1993-3-14 10527 Sonoma North Coast Biodiversity Arena; NW base of Mt. St. Helena. Foote Ranch, approx 10 m N of Calistoga on Hwy 128. 152 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
  UCD109700  Polygala californica K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  SEINET12205439  Polygala californica F. H. Utech 1986-1 86 -108 Sonoma ca 3.5 mi NE on Cavedale Road 350 Comment
  CAS-BOT-BC540850  Polygonum Peter Rubtzoff 1974-9-1 7859 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville Comment
  UC1562675  Polygonum aviculare subsp. aviculare Barbara Ertter 1988-11-5 8026 Sonoma point below Little Flat parking area (w of bridge, ca 5 air mi due s of Cloverdale); Lake Sonoma 152 Comment
  CAS-BOT-BC414118  Polygonum aviculare subsp. aviculare A. A. Heller 1902-6-11 5693 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC414281  Polygonum aviculare subsp. depressum G. DeNevers 1981-7-1 1737 Sonoma Pepperwood Ranch. In Pippindale Garden Comment
  CAS-BOT-BC109164  Polygonum bolanderi F. G. Krauss 1893-10-8 s.n. Sonoma K Ranch. Comment
  CAS-BOT-BC109166  Polygonum bolanderi John Thomas Howell 1926-10-3 2213 Sonoma Two miles from Petrified Forest on road to Calistoga. Comment
  CLARK-A1528-5207  Polygonum convolvulus John C. Roos 1959-7-30 Sonoma Healdsburg Garden Comment
  SEINET11935785  Polygonum lapathifolium J. T. Vale 1988-1 Sonoma In old bed of Russian River about 1/4 mi below bridge at Hacienda among boulders Comment
  POM198410  Polypodium glycyrrhiza Marcus E. Jones 1931-7-5 29173 a Sonoma The Geysers. 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
  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-BC328122  Polypogon Peter Rubtzoff 1964-7-14 5402 Sonoma Bennett Mountain Lake. Comment
  RSA0023070  Polypogon Peter Rubtzoff 1964-7-14 5402 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC232999  Polypogon australis Peter Rubtzoff 1959-6-6 4094 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC233001  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC233191  Polypogon interruptus Peter Rubtzoff 1955-7-31 2013 Sonoma Forestville Marsh Comment
  CAS-BOT-BC233188  Polypogon interruptus Mary P. Wells 1982-8-23 s.n. Sonoma Stump Beach, Salt Point State Park Comment
  CAS-BOT-BC237405  Polypogon monspeliensis Peter Rubtzoff 1960-10-29 4574 Sonoma Bodega Harbor Marsh Comment
  CAS-BOT-BC237416  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Near Sonoma Comment
  UC505685  Polypogon monspeliensis C. R. and B. S. Ball 1933-5-30 2510 Sonoma Bodega Bay Comment
  CAS-BOT-BC72175  Polystichum californicum A. T. Graff 1926-2-1 s.n. Sonoma Cazadero Comment
  SEINET11719958  Polystichum californicum Unknown 1987-1 70019 Sonoma W of Cloverdale, Hot Springs Rd area, Lake Somona near inundation point of Brush Creek 183 Comment
  CDA37328  Polystichum imbricans D. G. Kelch, Troy McGregor 2010-8-22 10 .334 Sonoma Geyser Peak Rd. Comment
  CAS-BOT-BC102352  Populus alba Greg de Nevers 1994-4-11 10520 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 457 Comment
  RSA262241  Populus alba Peter Rubtzoff 1972-8-25 6854 Sonoma San Antonio Creek on E side of Hwy 101 crossing. Comment
  CAS-BOT-BC445291  Portulaca oleracea Peter Rubtzoff 1965-9-5 5635 Sonoma Forest Hills 5.5 mi east of Guerneville. Comment
  CAS-BOT-BC445299  Portulaca oleracea Peter Rubtzoff 1958-8-16 3870 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road). Comment
  RSA620430  Portulaca oleracea Peter Rubtzoff 1965-8-22 5610 Sonoma Russian River, Forest Hills 5.5 mi. east of Guerneville. Open, moist bank of river bottom. Comment
  CAS-BOT-BC376231  Potamogeton Greg de Nevers 1992-6-8 10160 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  CAS-BOT-BC267132  Potamogeton M. S. Baker 1899-6-1 3657 b Sonoma Near Valley Ford Comment
  UCD166102  Potamogeton foliosus Peter Rubtzoff 1971-9-1 6667 Sonoma Spring Creek Reservoir area, east of Santa Rosa. 87 Comment
  CAS-BOT-BC251265  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC272847  Potamogeton nodosus Peter Rubtzoff 1970-8-18 6312 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC257678  Potamogeton nodosus Peter Rubtzoff 1971-9-30 6716 Sonoma Spring Creek Reservoir area. Comment
  UCR244640  Potamogeton pectinatus Peter Rubtzoff 1970-8-5 6296 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
  CAS-BOT-BC268088  Potamogeton pusillus Peter Rubtzoff 1955-7-16 1968 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC454078  Potamogeton pusillus subsp. pusillus M. S. Baker 1899-6-1 s.n. Sonoma Near Sebastopol Comment
  CAS-BOT-BC141959  Potentilla anserina subsp. pacifica Walter Knight; Irja Knight 1963-8-13 212 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC141951  Potentilla anserina subsp. pacifica Peter Rubtzoff 1960-5-18 4386 Sonoma Bodega Head Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141601  Potentilla uliginosa John Thomas Howell 1947-6-26 23297 Sonoma Cunningham Marsh Comment
  HSC15461  Prosartes hookeri James Faro 1962-4-18 7 Sonoma 5 mi. N of Guerneville on Old Cazadero Rd. Comment
  SEINET12049788  Prosartes hookeri F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -168 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road, between Jimtown & Mercuryville 330 Comment
  SEINET12051392  Prosartes hookeri F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -262 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  UCD125331  Prunella vulgaris Charles B. Heiser Jr. 1946-5-19 1737 Sonoma Vine Hill, west of Santa Rosa Comment
  CAS-BOT-BC6245  Prunella vulgaris var. atropurpurea Amos Arthur Heller 1902-6-4 5639 Sonoma Santa Rosa Comment
  CAS-BOT-BC154682  Prunus subcordata Stewart Wade 1927-4-1 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC159453  Prunus virginiana var. demissa G. DeNevers 1981-5-7 1012 Sonoma Between the two driveways at Leslie Road and Mark West Springs Road, Pepperwood Ranch Comment
  RSA0057957  Prunus virginiana var. demissa Greg de Nevers 1998-4-27 11206 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  CAS-BOT-BC356497  Pseudognaphalium beneolens Walter Knight; Irja Knight 1963-8-23 386 Sonoma Joost Ranch, Calistoga Rd. Comment
  CAS-BOT-BC356930  Pseudognaphalium californicum Alice Eastwood 1915-6-29 4813 Sonoma Bodega Point 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
  UCD133633  Pseudognaphalium californicum Frederica Bowcutt 1994-6-25 1905 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. Meadow Trail at Gray Pine Trailhead, immediately W of culvert under Meadow Trail. Along down cut channel feeding into Sonoma Creek which is to the W. 408 Comment
  UCD165870  Pseudognaphalium luteoalbum Peter Rubtzoff 1970-10-3 6403 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC361615  Pseudognaphalium stramineum A. A. Heller 1982-5-27 s.n. Sonoma Bodega Bay Comment
  UCR119042  Pseudotsuga menziesii Beecher Crampton 1960-10-10 5789 Sonoma Mayacmas Mountains, south foothills, 5 miles northwest of Calistoga, Franz Valley, along Highway 128. 183 Comment
  UCR2993  Pseudotsuga menziesii Wm. Horn Jr. 1963-4-10 630410- 2 Sonoma San Francisco Bay, 0.5 mi N on Jonive Rd. at a point 5 mi west of Sebastopol on Bodega Highway Comment
  UC1193109  Pseudotsuga menziesii var. menziesii P. Zinke 1949-6-14 60 Sonoma ridge between Smith <Creek> and Dry Creek; Quadrangle 61-A-3 457 Comment
  CAS-BOT-BC361863  Psilocarphus oregonus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53943 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UC581109  Psilocarphus tenellus H. L. Mason 1934-4-28 8083 Sonoma Jensen's Ranch Dorhmann Creek Comment
  CAS-BOT-BC362073  Psilocarphus tenellus Mary P. Wells 1981-4-19 s.n. Sonoma Unit 34A, The Sea Ranch Comment
  CAS-BOT-BC362077  Psilocarphus tenellus G. DeNevers 1981-5-31 1423 Sonoma Pepperwood Ranch. In Garrison Cold Frame Comment
  CDA8508  Psilocarphus tenellus var. tenellus G. D. Barbe 1991-6-6 4429 Sonoma Annadel State Park, Santa Rosa 0 Comment
  UCSB50254  Pteridium aquilinum Gray, John 1976-5-1 Sonoma Above Blind Beach, Sonoma State Beach. T7N R11W 60 Comment
  RSA0072112  Pterostegia drymarioides Greg de Nevers 1998-6-8 11271 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along old road from Rogers Apple Orchard to creek. 100 Comment
  UC125360  Pterostegia drymarioides Katharine Brandegee June 1905 Sonoma Bodega Comment
  UC708747  Pteryxia terebinthina var. californica G. L. Stebbins 1946-5-19 3646 Sonoma 3 miles northeast of Occidental. Comment
  CAS-BOT-BC376344  Pyrola picta Greg de Nevers 1998-6-24 11293 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Northeast of old dump on road to Grouse Hill. 400 Comment
  CAS-BOT-BC466155  Pyrola picta Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  SD225863  Quercus X chasei John M. Tucker 1952-9-20 2624 Sonoma Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, large tree in the back yard of the Voight house. Comment
  CDA31362  Quercus X eplingii D. G. Kelch, Ed Biffin 2010-5-3 10 .206-B Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CAS-BOT-BC94706  Quercus X howellii G. De Nevers 1981-9-5 1825 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  UC336261  Quercus X morehus Hy. Edwards April 1877 208 Sonoma Knights Valley Comment
  RSA155532  Quercus agrifolia L. S. Rose 1960-9-14 60097 Sonoma Laguna de Santa Rosa, 4 miles NE of Graton. 15 Comment
  UC1193300  Quercus agrifolia P. Zinke 1950-4-25 111 Sonoma Pine Mt. Road, Quad 61A4 487 Comment
  SEINET12029925  Quercus agrifolia W. Knight, Knight, I.; Howell, J. T. 1984-1 5086 Sonoma 1.85mi up Cavedale Rd from State Rt-12 244 Comment
  SEINET12030241  Quercus agrifolia W. Knight, Knight, I. 1984-1 5159 Sonoma Jrost Ranch,Calistoga Road Comment
  SEINET12031414  Quercus chrysolepis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -243 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC86005  Quercus douglasii Peter H. Raven 1955-8-27 8756 Sonoma 3.2 mi N of Sears Point on State Route 37 Comment
  SEINET12030399  Quercus douglasii W. Knight, Knight, I.; Knight, T. 1985-1 5391 Sonoma Pine Mt. Road Comment
  OBI70567  Quercus durata var. durata D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .283 Sonoma Cavedale Rd 518 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
  CAS-BOT-BC105485  Quercus kelloggii Lewis S. Rose 1964-6-27 64058 Sonoma 2 miles N of Sonoma 900 Comment
  RSA169362  Quercus kelloggii L. S. Rose 1964-6-27 64058 Sonoma 2 miles north of Sonoma. 274 Comment
  SEINET2066832 Image available Quercus kelloggii Lewis S. Rose 1964-6-27 Sonoma 2 miles n of Sonoma 274 Comment
  UC338588  Quercus lobata unknown Sonoma Comment
  SEINET12030240  Quercus lobata W. Knight, Knight, I. 1984-1 5159 Sonoma Joosb Ranch,Calistoga Road Comment
  CHSC6279  Ranunculus A. K. Reverd 1967-3-19 6 Sonoma On cliff, 6 ft w of highway 1, and 1/4 mi s of Miwok Beach. 10 Comment
  UCR242110  Ranunculus californicus Caitlin Lewis, William Mutch 1993-4-17 006 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 366 Comment
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Oct 18 2018
  CAS-BOT-BC378678  Ranunculus californicus var. californicus Rimo Bacigalupi 1926-5-2 1372 Sonoma Cazadero Comment
  CAS-BOT-BC378694  Ranunculus californicus var. californicus Peter Rubtzoff 1966-5-7 5705 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  UCR255746  Ranunculus lobbii Greg de Nevers 1998-4-28 11211 Sonoma North Coast Range, Cresta Ranch, Cresta Road east of Mark West Lodge, on flood plain of Mark West Creek 137 Comment
  RSA178035  Ranunculus muricatus Robert F. Thorne 1965-4-19 34273 Sonoma Titus Ranch, Valley Ford. 18 Comment
  UC486512  Ranunculus muricatus H. E. and S. T. Parks 1930-5-9 617 Sonoma Alexander Valley; on creek entering valley Comment
  RSA534613  Ranunculus orthorhynchus var. platyphyllus Peter Rubtzoff 1962-5-11 4827 Sonoma Freestone Marsh Comment
  CAS-BOT-BC74200  Raphanus raphanistrum Greg de Nevers 1986-12-17 8118 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 400 Comment
  CDA18779  Raphanus sativus Boris Korotyaev 2000-3-28 s.n. Sonoma Northern California; Bodega Bay. 0 Comment
  HSC6886  Raphanus sativus F. Demostene 1966-4-1 6 Sonoma 2 mi. E of Healdsburg Comment
  RSA390199  Rhamnus californica Christopher Davidson 1977-6-20 60115 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  UC18564  Rhamnus californica subsp. californica Mrs. Newhall 1901-1 Sonoma Camp Meeker Comment
  CAS-BOT-BC55940  Rhamnus crocea D. E. Breedlove 1980-6-28 44796 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC1193389  Rhamnus tomentella subsp. tomentella R. H. Neuns 1950-5-20 100 Sonoma 6 mi e Geyserville 441 Comment
  RSA339385  Rhamnus tomentella subsp. tomentella Roger Raiche 1985-11-29 50900 Sonoma NE end of town of Healdsburg on Reservoir Hill. 122 Comment
  CAS-BOT-BC53742  Rhododendron columbianum Peter Rubtzoff 1951-6-2 106 Sonoma Pitkin Marsh, near Forestville - Western branch of the Upper Marsh Comment
  UCR55867  Rhododendron macrophyllum Fran Sibel 1965-4-30 350 Sonoma North Coast, Gualala, off CA Hwy 1 152 Comment
  CDA21390  Rhododendron occidentale G. F. Hrusa 1989-5-21 7050 Sonoma North Coast Ranges; Austin Creek State Recreation Area. Canyon of Gilliam Creek at base of slope below Redwood Lake. 198 Comment
  CDA43236  Rhododendron occidentale G. F. Hrusa 1989-5-21 7035 Sonoma Austin Creek State Recreation Area; Canyon of Gilliam Creek at base of slope below Redwood Lake. 198 Comment
  CAS-BOT-BC200335  Rhododendron occidentale var. occidentale Peter Rubtzoff 1960-6-11 4502 Sonoma Laguna de Santa Rosa area east of Graton, betw. Occidental and Guerneville rds. 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
  RSA0037117  Rhododendron sonomense G. Fred Hrusa 1989-5-8 6097 Sonoma Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  CAS-BOT-BC312709  Rhynchospora Peter Rubtzoff 1977-9-4 9132 Sonoma Pitkin Marsh, near Forestville, northern part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC6187  Rhynchospora californica John Thomas Howell 1936-7-26 12679 Sonoma Pitkin Marsh, 5 miles N of Sebastopol Comment
  CAS-BOT-BC111903  Rhynchospora capitellata Peter Rubtzoff 1951-9-2 726 Sonoma Pitkin Marsh; lower part of the upper marsh. Comment
  CAS-BOT-BC111907  Rhynchospora capitellata John Thomas Howell; J. W. Stacey 1936-7-26 12677 Sonoma Pitkin Marsh; 5 miles north of Sebastopol. Comment
  UC1133746  Rhynchospora capitellata H. S. Yates 1936-5-16 5593 Sonoma 2 mi se Forestville; Sebastopol Quadrangle, Pitkin Marsh Comment
  UC1026384  Rhynchospora globularis var. globularis John Thomas Howell 1945-8-14 21393 Sonoma Perry Marsh Comment
  UCD161867  Ribes James A. Neilson Jr. 1981-3-13 3994 Sonoma Mayacmas Mountains, location unkown. (Collections from this date were made from Hummingbird Creek.) Comment
  UC70558  Ribes californicum Bioletti 1894-1 Sonoma Hoods Peak 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
  UCD151193  Ribes menziesii James A. Neilson Jr. 1974-7-10 s.n. Sonoma Mayacmas Mountains, west of Geyser Rock, along road to PG and E geothermal units 9 and 10, eastern Sonoma County. (Elevation estimated using Google Earth by label maker.) 1036 Comment
  CAS-BOT-BC198921  Ribes roezlii var. cruentum A. A. Heller; H. E. Brown 1902-3-31 5195 Sonoma Mt. Hood Comment
  CHSC26437  Ribes sanguineum var. glutinosum P. Kunst 1977-4-12 22 Sonoma Large population, ca. 3 yd n of Coleman Valley Rd and 2.5 mi w of Occidental. 219 Comment
  UC73089  Ribes sanguineum var. glutinosum Milo S. Baker 1898-4-4 Sonoma near Sea View Comment
  UC75451  Ribes victoris var. minus Milo S. Baker June 1899 Sonoma near Mt. Hood; Sonoma Creek Comment
  SEINET7075471  Rigiopappus leptocladus 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. (NAD 27), UTM Zone 10, 532220mE, 4251005mN. [Coordinate Datum: WGS84/NAD83]. Comment
  UC35868  Rigiopappus leptocladus F. T. Bioletti 1893-5-27 Sonoma Hood's Peak Comment
  CAS-BOT-BC362936  Rigiopappus leptocladus James McMurphy 1909-5-29 s.n. Sonoma Near the Geysers Comment
  CAS-BOT-BC152659  Rosa californica Peter Rubtzoff 1951-7-7 363 Sonoma Western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC152673  Rosa californica L. R. Abrams 1916-7-4 5782 Sonoma Road between Petrified Forest and Mark West Co. Comment
  CAS-BOT-BC152677  Rosa californica F. G. Krauss 1893-10-16 s.n. Sonoma Petaluma Valley Comment
  RSA39874  Rosa eglanteria Philip A. Munz 1947-10-9 12210 Sonoma 2 miles NE of Armstrong Redwoods State Park. 91 Comment
  UC1128557  Rosa gymnocarpa A. Lewis 1932-5-13 74 Sonoma Calabasas Creek Napa Quadrangle 457 Comment
  UC454965  Rosa gymnocarpa I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  CAS-BOT-BC146810  Rosa nutkana Dorothy Scherer 1997-5-20 117 Sonoma West side of Hwy. 1 and south of MM. 34.00, Fort Ross State Historic Park 36 Comment
  CAS-BOT-BC148199  Rosa rubiginosa Dorothy Scherer 1997-5-20 121 Sonoma Ca. 100' north of Russian Orchard, along path to Sag Ponds, Fort Ross State Historic Park 106 Comment
  CAS-BOT-BC146920  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma S.W. slope of Hood Mt. at top of Rose Butte 243 Comment
  CAS-BOT-BC361364  Rosa spithamea var. sonomensis Greg de Nevers 1997-4-16 10932 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  CAS-BOT-BC262829  Rubus Peter Rubtzoff 1959-6-6 4089 Sonoma Willow Creek Marsh. Comment
  RSA800403  Rubus Peter Rubtzoff 1964-6-3 800403 Sonoma Bodega Bay Marsh. Comment
  UCD113832  Rubus parviflorus Frederica Bowcutt; Jeff Kennedy, Jolie Henricks 1994-5-1 1766 a Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco; approximately 11 air miles E of Santa Rosa, about 18 air miles NW of Napa, and about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail. Approximately 200 yards from the trail head on Adobe Canyon Road and just E of Bear Creek, about 5 yards N of confluence with Sonoma Creek. 198 Comment
  UC1073291  Rubus spectabilis George B. Rossbach 1955-3-19 310 Sonoma on thoroughfare into Bodega Harbor opposite Doran Beach Point (e edge Bodega Head); , thoroughfare into Bodega Harbor 22 Comment
  SEINET11912601  Rubus ulmifolius var. inermis H. K. Wagnon 1990-1 1976 Sonoma bank of Santa Rosa Creek by Brookwood Ave. bridge, Santa Rosa Comment
  RSA800078  Rubus ursinus Peter Rubtzoff 1958-5-3 3613 Sonoma Atascadero Creek Marsh. Comment
  RSA783793  Rumex Peter Rubtzoff 1955-8-7 2029 Sonoma Guerneville Marsh. Along Pocket Canyon. Comment
  UCR279879  Rumex Peter Rubtzoff 1964-7-29 5452 Sonoma Central Coast, Bodega Bay Marsh 15 Comment
  CAS-BOT-BC166717  Rumex Peter Rubtzoff 1962-6-22 4949 Sonoma Fife Creek Marsh. Comment
  UCD166343  Rumex Peter Rubtzoff 1964-7-29 5449 Sonoma Bodega Bay Marsh. Comment
  JEPS79429  Rumex acetosella Larissa Novak Apr 1980 2100 Sonoma Finley and Wright Field Old Naval Air Station Comment
  POM165242  Rumex acetosella A. A. Heller 1902-6-7 5655 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC422297  Rumex californicus Alice Eastwood; John Thomas Howell 1938-7-6 6088 A Sonoma Alder Glen Springs Comment
  CAS-BOT-BC421850  Rumex conglomeratus C. F. Leithold 1893-7-1 s.n. Sonoma Bennet [Bennett] Valley Comment
  CAS-BOT-BC421852  Rumex conglomeratus Peter Rubtzoff 1951-6-30 309 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  UCD101139  Rumex crispus Mary M. Hektner; Cathy Hendel 1974-7-25 178 Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC376429  Rumex paucifolius Greg de Nevers 1995-9-25 10773 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC433848  Rumex pulcher John H. Thomas 1976-6-16 18300 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  HSC49283  Rupertia physodes J. P. Smith, J. O. Sawyer 1977-6-5 2880 Sonoma Canyon Rd. about 1/2 mi. W of US 101 across from Pendrocelli Winery Comment
  POM252713  Rupertia physodes A. A. Heller 1902-6-23 5744 Sonoma Petrified Forest Comment
  CAS-BOT-BC239855  Rytidosperma penicillatum R. E. Frenkel 1964-6-23 623 Sonoma On Seaview Road, 3.1 miles north of Fort Ross Road 396 Comment
  UCD166485  Sagina Peter Rubtzoff 1964-6-24 5370 Sonoma Lower Salmon Creek Marsh. Comment
  RSA800610  Sagina Peter Rubtzoff 1964-6-24 5370 Sonoma Lower Salmon Creek Marsh. Comment
  UC814581  Sagittaria Milo S. Baker 7972 Sonoma Gravenstein Highway just n Cunningham Station Comment
  CAS-BOT-BC445696  Sagittaria cuneata Peter Rubtzoff 1971-7-9 6594 Sonoma 5 mi. north of Sears Point. 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-BC157666  Salicornia Peter Rubtzoff 1963-8-17 5222 Sonoma Petaluma Creek just east of Petaluma. Comment
  CAS-BOT-BC290655  Salix Peter Rubtzoff 1974-4-17 7364 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC290694  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7352 Sonoma Kenwood Marsh. Comment
  UCR249084  Salix Peter Rubtzoff 1973-8-27 7264 Sonoma Upper Green Valley Marsh Comment
  UCR249325  Salix Peter Rubtzoff 1974-4-17 7364 Sonoma Upper Green Valley Marsh Comment
  RSA0018589  Salix Peter Rubtzoff, J. Eckenwalder 1974-4-6 7361 Sonoma Salmon Creek canyon 0.25 mi. south of Freestone. Comment
  CAS-BOT-BC290592  Salix babylonica Peter Rubtzoff 1955-8-14 2051 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC103077  Salix bonplandiana Maxine Wilkes 1933-5-21 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC103086  Salix bonplandiana Peter Rubtzoff 1961-8-24 4700 Sonoma Fife Creek Marsh, along Fife Creek Comment
  RSA534551  Salix bonplandiana Peter Rubtzoff 1962-5-5 4806 Sonoma Fife Creek Marsh. Comment
  RSA534566  Salix bonplandiana Peter Rubtzoff 1957-5-4 3320 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC128100  Salix lasiandra var. lasiandra Peter Rubtzoff 1951-8-18 626 Sonoma Pitkin Marsh, near Forestville, western branch of the Upper Marsh Comment
  UC511621  Salix lasiolepis W. A. Setchell 1933-7-2 1 Sonoma well away from Russian R. Bohemian Grove (Monte Rio) Comment
  UC66159  Salix lasiolepis A. A. Heller 1902-3-10 5016 Sonoma hills 2 mi se Santa Rosa Comment
  UCD111655  Salix lasiolepis Peter Rubtzoff 1951-8-19 646 Sonoma Pitkin Marsh, near Forestville. Comment
  SEINET10538859  Salix lasiolepis A. Arthur Heller 1902-3-18 Heller 5096 Sonoma Santa rosa creek, e of santa rosa. 23 Aug and 18 mar. Comment
  CAS-BOT-BC107354  Salix lasiolepis var. bigelovii Alice Eastwood 1915-6-29 4809 Sonoma Bodega Point Comment
  POM281344  Salix lasiolepis var. bigelovii Carleton R. Ball, B. S. Ball 1933-5-6 2501 Sonoma 4 miles SW of Calistoga. On road to Petrified Forest and just over the Napa Co line. Comment
  RSA534484  Salix lasiolepis var. bigelovii Peter Rubtzoff 1966-11-9 5837 Sonoma Salmon Creek near Freestone. Comment
  RSA534505  Salix lasiolepis var. bigelovii Peter Rubtzoff, T. J. Crovello 1964-9-3 5498 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC128318  Salix lasiolepis var. lasiolepis W. A. Setchell 1933-7-2 1 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  CAS-BOT-BC128250  Salix lucida Peter Rubtzoff 1952-3-23 890 Sonoma Lower part of Upper Marsh in and open damp area - Pitkind Marsh, near Forestville Comment
  CAS-BOT-BC125699  Salix melanopsis H. E. McMinn 1922-6-7 183 Sonoma Russian River near Guerneville Comment
  RSA534562  Salix melanopsis Peter Rubtzoff 1978-7-19 9237 Sonoma Russian River at Del Rio Beach. Ca 2.5 miles E of Healdsburg on So. Fitch Mtn. Rd. Comment
  CAS-BOT-BC129235  Salix piperi Mary P. Wells 1981-4-18 s.n. Sonoma Draw on Unit 24, The Sea Ranch Comment
  POM362927  Salix scouleriana Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental on Occidental Grade. Comment
  CAS-BOT-BC128944  Salix sitchensis Peter Rubtzoff 1970-8-25 6345 Sonoma Austin Creek margin 1/2 mile north of Cazadero Comment
  POM219061  Salix sitchensis Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 344 Sonoma About 2 km E of Bodega Bay. Comment
  UCD111894  Salix sitchensis P. G. Connors 1991-7-2 192 Sonoma On lower slope of damp hillside on Bodega Head, bordering harbor. Comment
  CAS-BOT-BC376260  Salpichroa origanifolia Greg de Nevers 1991-5-14 9749 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. At Ward House 475 Comment
  CAS-BOT-BC221106  Salvia sonomensis Alice Eastwood 1915-6-5 4601 Sonoma Petrified Forest Comment
  UC1057437  Sanicula arctopoides G. Thomas Robbins 1937-3-26 22 Sonoma near Bodega Bay Comment
  UC914292  Sanicula arctopoides Verne Grant, Alva Grant 1947-5-4 7955 Sonoma 1 mi from Bodega Bay (on road to Bodega) Comment
  CAS-BOT-BC223344  Sanicula bipinnatifida Alice Griffin 1922-4-1 s.n. Sonoma El Verano Comment
  RSA178020  Sanicula crassicaulis R. F. Thorne 1965-4-19 34313 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  UCD128074  Sanicula crassicaulis J. M. Tucker 1951-6-26 2137 Sonoma at roadside, near summit of range, road from Glen Ellen to Oakville. Comment
  CDA12824  Sanicula laciniata G. F. Hrusa, R. Gross 1996-3-8 12656 Sonoma North Coast Biodiversity Arena; S side of Foote Creek. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  JEPS128263  Sanicula laciniata Roger Raiche 2000-4-15 035 .00 Sonoma The Cedars. Laton Camp. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC328134  Santolina chamaecyparissus Peter Rubtzoff 1952-5-31 1129 Sonoma Upper Marsh in the west, Pitkin Marsh near Forestville Comment
  UCR244592  Saponaria officinalis Peter Rubtzoff 1967-8-18 5849 Sonoma Banks of Russian River, 6 mi east of Guerneville 18 Comment
  CAS-BOT-BC164097  Satureja Peter Rubtzoff 1957-6-28 3390 Sonoma Duncans Mills Marsh, upper portion of marsh. Comment
  SD56670  Satureja douglasii D. F. Howe 1963-7-3 3589 Sonoma 20 mi. N of jnct. with #12 on #1 Comment
  SD254704  Saxifraga mertensiana Ann Howald 2015-4-1 3331 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage. 294 Comment
  JEPS47532  Saxifraga stolonifera Emanuel Fritz 1926-6-4 Sonoma near Sebastopol (at the Sturgeon saw mill); near Sebastopol Comment
  UCD65652  Schedonorus arundinaceus Gerry North 1993-4 35 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
  CAS-BOT-BC283148  Schedonorus arundinaceus David L. Morgan 1956-5-18 s.n. Sonoma 5.4 miles south of Santa Rosa city limits on Hwy. #12 Comment
  RSA0022392  Schedonorus arundinaceus Peter Rubtzoff 1962-5-11 4823 Sonoma Laguna de Santa Rosa. E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC111432  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1958-8-31 3955 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC111430  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1962-10-1 5114 Sonoma Lower Salmon Creek Marsh in shallow water at the edge of Salmon Creek. Comment
  HSC7527  Schoenoplectus americanus James Faro 1962-4-17 18 Sonoma W side of Bodega Bay, N end Comment
  CAS-BOT-BC111631  Schoenoplectus californicus Peter Rubtzoff 1962-8-3 5030 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC111633  Schoenoplectus californicus Peter Rubtzoff 1955-7-30 1995 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC111639  Schoenoplectus californicus Peter Rubtzoff 1966-8-18 5790 Sonoma Laguna de Santa Rosa ca. 1 mile ESE of Sebastapool. Comment
  CAS-BOT-BC111660  Schoenoplectus mucronatus Peter Rubtzoff; Lucy Blake; Nancy Harrison; Betty Lovell 1979-7-15 9290 Sonoma Knights Valley. Pond on east side of Ida Clayton Road. Comment
  NY663862  Schoenoplectus mucronatus P. Rubtzoff 1979-7-15 9290 Sonoma Knights Valley. Pond at east side of Ida Clayton Road just north of its junction with Hwy. 128. Comment
  CAS-BOT-BC111844  Schoenoplectus tabernaemontani Peter Rubtzoff 1987-9-27 9850 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  SEINET11750297  Schoenoplectus tabernaemontani W. Knight, Knight, I. 1984-1 5427 Sonoma Willow Cr. Road 61 Comment
  RSA122656B  Scirpus microcarpus H. S. Yates 1936-5-16 5613 Sonoma 1 mile NW of Mountain View School. 91 Comment
  CAS-BOT-BC111106  Scirpus microcarpus Peter Rubtzoff 1958-9-6 3982 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC111115  Scirpus microcarpus John Thomas Howell 1951-5-28 s.n. Sonoma Laguna east of Sebastopol. Comment
  UCD141248  Scirpus microcarpus Mary M. Hektner 1976-10-19 271 Sonoma just south of Irena Morgan's house on Pacific Reach, Unit 24 Owner's Map, Sea Ranch. Comment
  UC1005694  Scoliopus bigelovii Frank W. Gould 1939-2-25 562 Sonoma canyon ca. 2 1/2 mi. s. Ft. Ross 30 Comment
  SEINET12058064  Scoliopus bigelovii F. H. Utech 1988-3-2 88 -012 Sonoma 0.5 mi S of Ft. Ross Historic Site on CA 1 from junction with Ft. Ross Rd at Ft. Ross (mi 32.45) 50 Comment
  SEINET12058076  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -002 Sonoma WNW of Sebastapol, 0.2 mi S of Occidental Road on Furlough Road, Sturgeon's Mill 80 Comment
  UCSB13223  Scoliopus bigelovii Dearing, Hugh; Dearing, Margaret 1939-5-14 Sonoma Nr. Monte Rio Comment
  CAS-BOT-BC311817  Scrophularia californica Peter Rubtzoff 1967-8-28 5870 Sonoma Lower Salmon Creek Marsh. Comment
  UCR248718  Scrophularia californica Peter Rubtzoff 1962-10-23 5122 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  UCR249330  Scrophularia californica Peter Rubtzoff 1954-8-11 1690 Sonoma Guerneville Marsh Comment
  UCR249343  Scrophularia californica Peter Rubtzoff 1958-5-17 3675 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  UC1713657  Scutellaria tuberosa John Thomas Howell 1937-4-11 12891 Sonoma e of Glen Ellen (Triniti Mountain); Triniti Mountain Comment
  UCR255742  Sedella pumila Greg de Nevers 1997-4-16 10941 Sonoma North Coast Range, Moon Mountain Road [NNW of Sonoma] 396 Comment
  JEPS19066  Selaginella wallacei A. A. Heller 1902-3-10 5024 Sonoma hills 2 mi e Santa Rosa Comment
  CAS-BOT-BC363275  Senecio aronicoides Alice Eastwood 1917-5-13 s.n. Sonoma Bodega Bay Comment
  UCD148366  Senecio minimus Peter Rubtzoff 1955-8-20 2056 Sonoma Bodega Harbor Marsh. Comment
  JEPS76930  Sequoia sempervirens Robert M. Lloyd 1963-2-24 2049 Sonoma 0.5 mi n, on rd to Camp Meeks Occidental 45 Comment
  UC254  Sequoia sempervirens M. Louise Douglass 1898-4-19 Sonoma Glen Ellen Comment
  UC536018  Sequoia sempervirens W. A. Setchell and Victor Duran 1935-3-31 Sonoma Bohemian Grove near Monte Rio (crevices in stone steps leading to Owl Shrine); Bohemian Grove Comment
  CAS-BOT-BC80326  Sequoia sempervirens A. A. Heller 1906-3-16 5080 Sonoma Russian [river] River near Trenton Comment
  CAS-BOT-BC361288  Setaria Greg de Nevers 1997-8-20 11086 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Along Mark West Spring Road 400 Comment
  UCR250224  Setaria parviflora Peter Warner 2013-8-12 295 Sonoma Green Valley Road, 0.15 mi east of junction with Bones and Maddocks Roads 87 Comment
  CDA2423  Setaria pumila T. C. Fuller 1961-10-13 7106 Sonoma North bank of San Antonio Creek, Hwy 101, just north of Marin Co., line. 0 Comment
  UCR275239  Sidalcea Peter Rubtzoff 1976-5-30 8578 Sonoma North Coast Range, east side of Hwy 12, c. 0.75 mile south of Kenwood (0.9 mile south of Warm Springs Road junction) 127 Comment
  CHSC13721  Sidalcea diploscypha J. G. Moore 1970-5-29 154 Sonoma Cazadero. Comment
  RSA87995  Sidalcea malviflora C. L. Hitchcock 1952-6-4 19584 Sonoma 1 mile N. of Ft Ross. Comment
  SDSU8174  Sidalcea malviflora subsp. laciniata D. F. Howe 1963-5-22 3522 Sonoma Vine Hill Road, about 10 miles west of Santa Rosa 152 Comment
  SEINET4854003  Sidalcea malviflora subsp. laciniata C. Leo Hitchcock 1952-6-4 19582 Sonoma About 2 miles east of Sebastopol on road to Petaluma. Comment
  HSC16029  Sidalcea malviflora subsp. purpurea James Faro 1962-4-22 2 Sonoma Ocean Cove Ranch, 4 mi. N of Fort Ross on Hwy. 1 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
  CAS-BOT-BC213169  Sidalcea oregana subsp. valida M. S. Baker 1927-7-19 2343 Sonoma Kenwood Comment
  CAS-BOT-BC213170  Sidalcea oregana subsp. valida John Thomas Howell 1932-9-18 10766 Sonoma Kenwood Marsh near Kenwood Comment
  CAS-BOT-BC213172  Sidalcea oregana subsp. valida Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7813 Sonoma Kenwood Marsh Comment
  UC1013153  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 19638 Sonoma about 1/4 mi w Kenwood (Kenwood Marsh); w of Kenwood, Kenwood Marsh Comment
  SEINET11935228  Silene californica F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -237 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UCD98632  Silene gallica Botany 102 Students 1993-5-8 280 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. Comment
  UCR254834  Silene multinervia Greg de Nevers 1997-4-16 10931 Sonoma North Coast Range, Cavedale Road 152 Comment
  UCD115720  Sisymbrium officinale Frederica Bowcutt 1994-6-12 1857 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  RSA178000  Sisyrinchium bellum Robert F. Thorne 1965-4-19 34287 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  SD130399  Sisyrinchium bellum F. Almeda, G. DeNevers 1981-3-30 4885 Sonoma Pepperwood Ranch, summit and east-facing slope of Three Tree Hill. Grassy slopes with scattered oaks. Comment
  UC1084445  Sisyrinchium californicum G. Thomas Robbins 1937-5-23 200 Sonoma 10 mi w of Santa Rosa (on Pitkin Ranch); Vine Hill Region Comment
  CAS-BOT-BC164681  Solanaceae Peter Rubtzoff 1951-9-3 741 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  CAS-BOT-BC164423  Solanum Peter Rubtzoff 1962-9-9 5079 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC166713  Solanum Peter Rubtzoff 1958-8-17 3889 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC361291  Solanum jasminoides Greg de Nevers 1993-5-15 10445 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  UCD127072  Solanum xanti Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 76 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. 381 Comment
  RSA0062823  Solidago californica Greg de Nevers 1989-9-15 9104 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC365585  Solidago elongata Peter Rubtzoff 1951-9-16 750 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  SBBG33688  Solidago spathulata T. L. Secrest 1948-7-7 Sonoma coast, Sonoma County [no specific locality] Comment
  CAS-BOT-BC365964  Soliva sessilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True 1981-5-14 54023 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  JEPS32223  Sparganium eurycarpum var. eurycarpum F. T. Bioletti Jun 1893 Sonoma Kenwood Comment
  CAS-BOT-BC236634  Spartina foliosa J. W. Congdon 1880-10-1 s.n. Sonoma Petaluma Comment
  CDA37709  Spartium junceum Breckenridge/Filippini 2007-4-15 s.n. Sonoma Healdsburg, on Highway 101. 0 Comment
  UCR275244  Spergularia Peter Rubtzoff 1971-7-23 6614 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 70 Comment
  CAS-BOT-BC320523  Spergularia rubra Peter Rubtzoff 1974-7-29 7789 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  RSA0022423  Spergularia rubra Peter Rubtzoff 1969-8-14 6130 Sonoma Along Salmon Creek, ca. 0.5 mi upstream from Hwy #1. Comment
  UC55669  Spirodela polyrhiza J. Burtt Davy 1896-7-22 4143 Sonoma Russian River Comment
  CAS-BOT-BC502054  Stachys Peter Rubtzoff 1964-5-20 5303 Sonoma Brooks Gulch Marsh Comment
  RSA82588  Stachys ajugoides F. W. Peirson 1925-8-8 6341 Sonoma Roadside 6 miles south of Santa Rosa Comment
  UC727698  Stachys ajugoides var. ajugoides Milo S. Baker 1946-7-27 11535 Sonoma n Sears Pt. (along hiwy.) Comment
  UC1299470  Stachys albens Freed W. Hoffman 1946-9-26 580 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UCD125557  Stachys albens Frederica Bowcutt 1994-6-24 1893 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/4 way from bald Mountain Trail to Headwaters Trail. 554 Comment
  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
  SEINET12332453  Stachys rigida subsp. quercetorum F. H. Utech 1988-1 88 -197 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 Comment
  CAS-BOT-BC405133  Stellaria nitens D. E. Breedlove 1983-4-11 58691 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  CAS-BOT-BC405137  Stellaria nitens G. DeNevers 1982-2-21 1913 Sonoma Hill side above first serpentine road cut, end of canyon. Pine Flat Road. Blm. Comment
  SBBG42898  Stephanomeria elata L. D. Gottlieb 1966-8-5 66115 Sonoma Trinity Rd, ca. 0.5 mi E of jct with Cavedale Rd 548 Comment
  SACT002404  Stipa pulchra M. Wiesendanger 1927-5-5 Sonoma Comment
  CAS-BOT-BC5658  Stipa setigera A. A. Heller 1902-4-9 5252 Sonoma 3 miles S of Healdsburg Comment
  UC1178914  Streptanthus barbiger Herbert L. Mason 1946-7-4 12896 Sonoma ridge 2 mi e Occidental Comment
  UC1492711  Streptanthus barbiger Freed W. Hoffman 1950-5-24 3359 Sonoma trail from Gray Creek to The Island (headwaters of East Austin Creek); North Coast Ranges, East Austin Creek Comment
  CAS-BOT-BC61220  Streptanthus brachiatus Helen K. Sharsmith 1952-6-18 4129 Sonoma Inner North Coast Ranges. Near junction of Socrates Mine road with Pine Flat-Middletown Road. Mayacamas Mountains. 975 Comment
  UC1478046  Streptanthus brachiatus Charlie Patterson 1980-6-16 Sonoma ca 1 1/2 mi e Socrates Mine (near Lake Co. line) Comment
  UCD167320  Streptanthus brachiatus James Neilson 1977-6-7 3912 Sonoma Mayacmas Mountains, Shell well site 'B'. (Location information obtained from Neilson 3848 which indicated that Shell drill site 'B' is about 2.5 mi. south of junction of ridgeline road and Socrates Mine Road. Exact location unknown, coordinates estimated by label maker.) Comment
  UC1292752  Streptanthus glandulosus Freed W. Hoffman 1947-5-12 1052 Sonoma Camp Meeker North Coast Ranges Comment
  UC956574  Streptanthus glandulosus subsp. glandulosus Freed W. Hoffman 1949-6-5 2902 Sonoma along ridge top above Pine Flat (near Contact Mine); North Coast Ranges 960 Comment
  UC1492782  Streptanthus glandulosus subsp. hoffmanii Freed W. Hoffman 1947-4-10 1056 Sonoma near hot springs; North Coast Ranges, Big Geysers Comment
  UC10912  Streptanthus glandulosus subsp. secundus Edw. L. Greene 1894-6-17 Sonoma Mt. St. Helena Comment
  UC1292660  Streptanthus glandulosus subsp. secundus A. R. Kruckeberg 1947-5-3 1436 Sonoma along Hwy 28 between milepost A-1140 and milepost A-1150 (about 3/4 mi w of Maacamas Creek crossing, hwy from Calistoga to Healdsburg, w end of valley); Knight's Valley Comment
  UC1492770  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-5-18 1062 Sonoma Dutch Bill Creek North Coast Ranges Comment
  UC1492786  Streptanthus glandulosus subsp. sonomensis Freed W. Hoffman 1947-9-5 1068 Sonoma Dutch Bill Creek North Coast Ranges Comment
  SEINET12006991  Streptanthus heterophyllus Unknown 1936-1 13416 Sonoma near Healdsburg Comment
  JEPS82241  Streptanthus morrisonii Roger Raiche 1983-8-6 30581 Sonoma headwaters Austin Creek (The Cedars); , Austin Creek 182 Comment
  JEPS82296  Streptanthus morrisonii Roger Raiche 1983-7-4 30472 Sonoma above Gilliam Creek; East Austin Creek State Recreational Area, Morrison Ridge 304 Comment
  UCD167335  Streptanthus morrisonii James A. Neilson Jr. 1980-6-16 3983 Sonoma Mayacmas Mountains. On unnamed tributary of Little Sulphur Creek above Healdsburg-Geysers Road. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD167364  Streptanthus morrisonii James Neilson Date Unknown 4058 Sonoma Creek northeast of Layton Mine buildings. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD168068  Streptanthus morrisonii James Neilson 1981-5-28 4032 Sonoma Mayacmas Mountains, Shell Well Site B. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site B was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  RSA799982  Symphoricarpos Peter Rubtzoff 1970-6-14 6259 Sonoma On River Road about 3 miles W of Fulton. Comment
  CAS-BOT-BC540810  Symphoricarpos Peter Rubtzoff 1959-5-31 4075 Sonoma Freestone Marsh. Comment
  POM188467  Symphoricarpos mollis Marcus E. Jones 1931-7-5 29056 Sonoma West of Cloverdale. Comment
  UCR254879  Symphyotrichum Peter Rubtzoff 1971-8-23 6649 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC97830  Symphyotrichum chilense Walter Knight; Irja Knight 1963-10-3 498 Sonoma Bennett Valley Comment
  UC1612987  Symphyotrichum chilense M. Rockwood and L. Esposito 1994-7-18 Sonoma ca 1.5 mi nw Bodega; Rancho Bodega 24 Comment
  CDA5450  Taeniatherum caput-medusae D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .278 Sonoma Cavedale Rd. Comment
  HREC922 Image available Tauschia kelloggii Kerry L. Heise 1997-5-7 2024 Sonoma IHRMP study site #3 Riley, 2mi ENE of Geyserville, Sonoma Co. Comment
  CDA5449  Teesdalia coronopifolia D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .288 Sonoma Cavedale Rd. Comment
  CAS-BOT-BC399884  Thalictrum polycarpum Peter Rubtzoff 1959-6-13 4140 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC262979  Thermopsis Peter Rubtzoff 1965-5-8 5527 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC268101  Thermopsis Peter Rubtzoff 1962-6-8 4886 Sonoma Bennett Mountain Lake. Comment
  CHSC23298  Thermopsis macrophylla C. Slobodchikoff 1965-5-16 97 Sonoma 6.4 mi northeast of Penngrove, on Lichau Road. Comment
  SEINET6934810  Thermopsis macrophylla var. argentata W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 1 mile west of Annapolis. Comment
  UC147268  Thysanocarpus curvipes Milo S. Baker 1903-3-20 Sonoma Sonoma Cr. Canyon Comment
  RSA0039329  Thysanocarpus curvipes var. curvipes John Thomas Howell 1933-4-2 10936 Sonoma Sonoma Creek Canyon. Comment
  SEINET11987373  Thysanocarpus curvipes var. elegans R. A. Schlising 1962-1 2125 -d Sonoma along Cavedale Road, 1 mi E of Hwy 12 Comment
  UC1084484  Thysanocarpus radians G. Thomas Robbins 1938-4-15 260 Sonoma along road to Graton 6-7 mi w Santa Rosa Comment
  RSA0049966  Thysanocarpus radians John H. Thomas 1968-4-4 14268 Sonoma 2.8 miles NE of highway 101 on road to Mark Springs West, along Mark Springs road. Comment
  UC496421  Tiarella trifoliata var. unifoliata Merle Randall 1930-6-11 Sonoma Cazadero Comment
  RSA125087  Torreya californica P. H. Raven, R. Snow 1958-7-23 13685 Sonoma South bank of Wheatfield Fork of Gualala River, 12.5 miles east of Stewarts Point on road to Skaggs Springs Comment
  UC1011106  Torreya californica Milo S. Baker 1941-8-4 8592 Sonoma Russian Gulch 15 Comment
  SEINET11739540  Torreya californica W. Knight, Knight, I.; Edwards, S. 1986-1 5355 Sonoma along the trail en route to summit of Geyser Peak, access from Healdsburg-Geysers Road 914 Comment
  UCD135176  Torreya californica Lalit M. Srivastava 1957-11-1 22 Sonoma At side of State Highway 1, ca. 100 yards south of Fort Ross. 30 Comment
  UCD93173  Torreyochloa pallida var. pauciflora A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3582 Sonoma on Occidental Road near Barstow Station. Comment
  CAS-BOT-BC323058  Tracyina rostrata John Thomas Howell 1967-6-17 42599 Sonoma On Arthur E. Cooley Ranch at confluence of Galloway adn Dry Creeks, northern Sonoma Co. 182 Comment
  OBI49194  Tragopogon porrifolius Sonoma 1935-5-13 9268 Sonoma 3 mi W Santa Rosa on Sebastopol rd Comment
  SEINET9299121  Tragopogon porrifolius Unknown 1990-5-10 Sonoma Grassy meadow edge With Brassica, Plantago, Raphanus Comment
  CAS-BOT-BC519554  Triantha occidentalis subsp. occidentalis John Thomas Howell 1945-7-18 s.n. Sonoma Sonoma: Pitkin Marsh Comment
  CAS-BOT-BC257700  Trichostema Peter Rubtzoff; Nancy Harrison 1977-8-26 9117 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CHSC24184  Trichostema laxum T. P. Spira 1976-7-23 Sonoma Ca. 2 mi nw of Camp Meeker and 1/4 mi n of Bohemian Hwy. 91 Comment
  UC1299467  Trichostema laxum Freed W. Hoffman 1947-9-5 1386 Sonoma Dutch Hill Creek North Coast Ranges Comment
  SEINET3153534  Trichostema laxum M. S. Baker 1898-6-12 675 Sonoma Geysers Comment
  CHSC26442  Trientalis latifolia P. Kunst 1977-4-12 30 Sonoma 170 Comment
  SEINET11996903  Trientalis latifolia F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -274 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC173535  Trifolium Peter Rubtzoff 1974-6-2 7511 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC166759  Trifolium Peter Rubtzoff 1972-6-23 6783 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC173628  Trifolium Peter Rubtzoff 1974-5-18 7428 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  JEPS117950  Trifolium Zoya Akulova-Barlow 2005-12-1 Sonoma Cloverdate River Park, Russian River Comment
  RSA784991  Trifolium Peter Rubtzoff 1974-5-18 7427 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. 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
  UC249680  Trifolium amoenum Joseph P. Tracy 1921-5-13 5548 Sonoma near Petaluma; Northern Coast Ranges 15 Comment
  CAS-BOT-BC217060  Trifolium amoenum Peter G. Connors 320 Sonoma West of Occidental Comment
  SEINET12166393  Trifolium campestre H. K. Wagnon 1989-1 1891 Sonoma Jack London State Park Comment
  UCD108381  Trifolium depauperatum var. depauperatum Christine Lee 1993-4-24 91 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail. 411 Comment
  UCSC005278  Trifolium depauperatum var. hydrophilum Randall Morgan 1995-5-18 2617 Sonoma Santa Rosa, Stony Point Road, across from Yuba Drive Comment
  LA205212  Trifolium depauperatum var. truncatum M. S. Baker; May 1935 8077 Sonoma Bennett Valley Road, 0.5 mi. E of Santa Rosa Fair Grounds Comment
  UCD166122  Trifolium dubium Peter Rubtzoff 1972-6-23 6786 Sonoma Atascadero Creek Marsh. Comment
  RSA94341  Trifolium dubium Peter Rubtzoff 1951-7-14 461 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  CAS-BOT-BC361299  Trifolium fragiferum Greg de Nevers 1997-5-31 11012 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa, northwest of Finnell Cabin 457 Comment
  CHSC90392  Trifolium fucatum Elizabeth L. Knight 1988-4-1 6 Sonoma Ca. .25 m ene of southernmost point of Bodega Head and 100 ft n of Pacific Ocean. 15 Comment
  UCD109024  Trifolium fucatum P. B. Kennedy 1929-5-24 10295 Sonoma Between Cazadera and Seaview. Comment
  UCD147005  Trifolium glomeratum Robert E. Preston 2011-4-28 2850 Sonoma Sonoma, in vacant lot N of MacArthur St, between 4th St and Hayes St. 21 Comment
  UCD37561  Trifolium grayi Beecher Crampton 1955-4-5 2407 Sonoma 2 miles west of Fulton, along Woolsey Road. Comment
  SEINET6793641 Image available Trifolium incarnatum Sally Walker 1993-1 Sonoma Mill Station Road, Sebastopol Comment
  UC16646  Trifolium microdon Harley P. Chandler 1900-5-25 682 Sonoma Bodega Comment
  JEPS85900  Trifolium obtusiflorum Jack and Betty Guggolz 1991-7-29 1218 Sonoma 2 mi n Camp Meeker (Upper Duvoul Creek) 121 Comment
  JEPS2906 Image available Trifolium oliganthum Edward Lee Greene 1892-1 Sonoma Knight's Valley Comment
  POM21435  Trifolium oliganthum A. A. Heller, H. E. Brown 1902-4-15 5296 Sonoma Santa Rosa Creek Comment
  UCD109256  Trifolium oliganthum Botany 102 Students 1993-4-24 98 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Hillside Trail. 396 Comment
  UCD109385  Trifolium subterraneum Curtis Daehler; Ngan Lu 1993-5-8 271 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. 411 Comment
  CDA15868  Trifolium tomentosum Ann Howald 2000-4-19 2037 Sonoma North Coast Biodiversity Arena; Annadel State Park. Marsh Trail, E side of Ledson marsh, about 0.1 mi. S of inters. of Marsh & Lawndale Trails. 359 Comment
  UCSC006256  Trifolium variegatum Randall Morgan 1995-6-8 2753 Sonoma Petaluma, Field opposite Lincoln School on Wilson Hill Rd. near Petaluma Rd. Comment
  UC353905  Trifolium variegatum var. melananthum Milo S. Baker 1927-5-8 2142 a Sonoma along Bennett Valley Rd (near Summit) Comment
  UC70390  Trifolium variegatum var. variegatum Milo S. Baker 1898-5-7 587 Sonoma near Glen Ellen Comment
  UC165605  Trifolium willdenovii Milo S. Baker 1898-4 729 Sonoma Santa Rosa Creek canyon Comment
  POM210216  Trifolium willdenovii H. E. Parks 1930-5-9 s.n. Sonoma Alexander Valley. Comment
  SEINET12164401  Trifolium willdenovii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -169 Sonoma 0.6 mi from junction of Harrison Grade Road on Stoetz Lane 191 Comment
  UC165498  Trifolium willdenovii H. P. Chandler 1907-4-21 7525 Sonoma rd from Glen Ellen to Oakville Comment
  UC535099  Trifolium willdenovii H. E. Parks 1930-5-9 621 Sonoma edge of Alexander Valley Comment
  UC16810  Trifolium wormskioldii J. Burtt Davy 1896-7-23 Sonoma May's Canyon Guerneville Comment
  CAS-BOT-BC451944  Triglochin maritima Lewis S. Rose 1964-6-3 64055 Sonoma N. end of Bodega Bay 1 Comment
  CAS-BOT-BC520851  Trillium albidum Greg de Nevers 1993-4-6 10358 Sonoma Pepperwood Ranch Natural Preserve: 3450 Franz Valley Road 304 Comment
  UC1577320  Trillium ovatum Baki Kasapligil 1968-3-16 4255 Sonoma 2.5 mi. s. Fort Ross (Hwy. 1) 100 Comment
  UCD139917  Trillium ovatum L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  UC27182  Triphysaria eriantha subsp. eriantha F. T. Bioletti May 1892 Sonoma Shellville Comment
  JEPS11169  Triphysaria versicolor subsp. faucibarbata R. F. Hoover 1939-4-18 4034 Sonoma Occidental Comment
  UC27201  Triphysaria versicolor subsp. faucibarbata Edw. L. Greene 1892-4-23 Sonoma Knight's Valley Comment
  UC336299  Triphysaria versicolor subsp. faucibarbata Hy. Edwards May, 1877 323 Sonoma Knights Valley Comment
  UCSB22950  Triphysaria versicolor subsp. faucibarbata McCarthy, Sharon 1965-4-17 Sonoma West of 5th Street opposite Betancourt Street Intersection 25 Comment
  UC1334862  Triphysaria versicolor subsp. versicolor L. D. Thurman 1965-5-3 665 Sonoma on State Highway #1, 2 mi n Bodega Bay; n of Bodega Bay Comment
  UC1146666  Trisetum canescens Freed W. Hoffman 1943-6-6 2212 Sonoma coast road near Bridgehaven; North Coast Ranges Comment
  UCD93631  Trisetum canescens R. Tofsrud 1941-4-1 146 Sonoma Near Santa Rosa. Comment
  CAS-BOT-BC522357  Triteleia hyacinthina Peter Rubtzoff 1957-5-26 3364 Sonoma Occidental Marsh; Sonoma County Marshes Comment
  CAS-BOT-BC522360  Triteleia hyacinthina Peter Rubtzoff 1969-5-11 6042 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner road. Comment
  CAS-BOT-BC522362  Triteleia hyacinthina Peter Rubtzoff 1971-6-5 6511 Sonoma Vernal pool 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC522371  Triteleia hyacinthina G. DeNevers 1981-5-9 1067 Sonoma E of the gate to the Redwoods; Pepperwood Ranch Comment
  CAS-BOT-BC523026  Triteleia hyacinthina David D. Keck 1933-5-28 2322 Sonoma 3.4 miles east of Shellville (just east intersection of Sonoma road). Comment
  CAS-BOT-BC527031  Triteleia laxa Peter Rubtzoff; Nancy Harrison 1974-7-13 7674 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC527039  Triteleia laxa F. G. Kraus 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  RSA70138  Triteleia laxa F. W. Peirson, Mabel Peirson 1926-4-1 6547 Sonoma 6 miles south of Cloverdale. Comment
  CAS-BOT-BC527974  Triteleia peduncularis Peter Rubtzoff 1951-6-9 168 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  RSA540052  Typha latifolia Peter Rubtzoff 1964-8-20 5459 Sonoma Americano Creek area. On Petaluma-Valley Ford Road near Bloomfield. Comment
  SD69963  Ulex europaeus Darley Howe 1968-5-21 4520 Sonoma 3.7 miles south of Bodega Bay on route 1 Comment
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Feb 6 2013
  SDSU6675  Ulex europaeus D. F. Howe 1968-5-21 4520 Sonoma 3.7 miles south of Bodega Bay on #1. Comment
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Feb 6 2013
  SEINET9317589  Umbellularia californica John Nelson, Wnek, R. 2000-3-5 20956 Sonoma Livereau Creek Comment
  UC1126331  Umbellularia californica C. M. Belshaw 1936-3-7 1551 Sonoma 2 mi s of Occidental 121 Comment
  UCD138017  Umbellularia californica Jennifer Bury; Peggy Herzog 1993-5-8 259 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, 25 feet above parking lot; just off Lower Bald Mountain Trail. 379 Comment
  CAS-BOT-BC404235  Urtica dioica subsp. holosericea Peter Rubtzoff 1960-9-17 4566 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) Comment
  UCR23387  Vancouveria planipetala John C. Roos 1957-7-2 6647 Sonoma Miller Ridge Comment
  SD58170  Vancouveria planipetala E. Van E. Ferguson 8-10 Jun 1919 248 Sonoma Near Gurnewood Comment
  CAS-BOT-BC135765  Veratrum fimbriatum John Thomas Howell 1931-9-26 8094 Sonoma 7 miles north of Fort Ross Comment
  UC558487  Veratrum fimbriatum Elizabeth E. Morse 1936-8-30 Sonoma Gualala River Comment
  UCD124727  Verbascum thapsus K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  POM64648  Verbena lasiostachys var. lasiostachys A. A. Heller 1902-6-27 5785 Sonoma West of Windsor near Russian river. Comment
  UCR244667  Veronica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road 16 Comment
  UCR244670  Veronica Peter Rubtzoff 1955-5-7 1825 Sonoma Guerneville Marsh Comment
  UCR244741  Veronica americana Peter Rubtzoff 1962-5-11 4813 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  CAS-BOT-BC177114  Veronica americana Peter Rubtzoff 1955-6-4 1897 Sonoma Stony Point Marsh. Comment
  JEPS88699  Veronica scutellata P. B. Kennedy 1919-5-16 Sonoma Del Mar Comment
  CAS-BOT-BC269313  Veronica scutellata Peter Rubtzoff 1972-6-24 6788 Sonoma Atascadero Creek Marsh. Comment
  RSA94259  Veronica scutellata Peter Rubtzoff 1951-6-16 233 Sonoma Lower part of the upper marsh. Comment
  CAS-BOT-BC267249  Viburnum ellipticum Greg de Nevers 1981-5-7 967 Sonoma Pepperwood Ranch. In W arm of Garrison Canyon Comment
  RSA799986  Vicia Peter Rubtzoff 1974-5-25 7462 Sonoma Upper Green Valley Marsh. 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
  UCD109111  Vicia villosa subsp. varia Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-28 087 Sonoma Junction of Bluff Reach and Cormorant, Unit 21 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR267158  Vinca major Peter Warner 2010-3-1 111 Sonoma State Hwy 1 at 6.77 mile marker, west of junction of Bay Hill Rd., between road and Cheney Gulch Creek 39 Comment
  SEINET5230231  Viola adunca Unknown 1994-4-3 75 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  UC1749429  Viola douglasii Milo S. Baker 1933-3-25 7336 Sonoma 5 mi E Santa Rosa; Melitta Comment
  UCD110883  Viola glabella Jo Nixon 1951-3-24 6 Sonoma Along side of Highway 1, 5 miles N of Bodega Bay. Comment
  UC1763481  Viola lobata Milo S. Baker May 1899 Sonoma Stewarts canyon Comment
  JEPS50443  Viola ocellata Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  POM161242  Viola ocellata R. C. Bacigalupi 1926-5-2 1365 Sonoma Cazadero. Comment
  UC1784157  Viola sempervirens Milo S. Baker 1926-12-3 s.n. Sonoma Pocket Canyon Comment
  UC1742249  Viola sororia Milo S. Baker 1933-5-26 Sonoma Kenwood Garden Comment
  CAS-BOT-BC135296  Viscum album William O. McCartney 1966-5-4 s.n. Sonoma in a residential property, NW corner of Mill Station Road and Gravestein North Highway, Sebastopol Comment
  UCR55537  Viscum album William McCartney 1966-5-4 s.n. Sonoma Residential property, NW corner of Mills Station Road and Gravenstein Hwy North, Sebastopol 55 Comment
  CAS-BOT-BC203128  Vitis californica Peter Rubtzoff 1952-6-3 1178 Sonoma Fitch Mtn. Grove, near Healdsburg. Bank of Russian River Comment
  POM127692  Vitis californica L. R. Abrams 1922-6-21 8099 Sonoma Healdsburg to Cloverdale. Comment
  UCD158821  Vitis californica James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2898 Sonoma northwest corner of Section 14, The Geysers. (Elevation estimated by label maker using Google Earth.) 472 Comment
  RSA7624  Vitis californica Carl B. Wolf, B. D. Stark 1933-9-27 5512 Sonoma 5.8 mi NW of Kellogg on road to Geyserville. 91 Comment
  UCD58727  Vitis rupestris Eric Wada 2006-9-3 RR 6 Sonoma On SR116 ca. 5mi south of Guerneville 58