Search Results — 2000 specimen records retrieved (1275 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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A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR109504  Abronia latifolia Frank C. Vasek 1966-7-16 660716- 03 Sonoma Central Coast, Bodega Bay, Doran County Beach 1 Comment
  RSA0025741  Abronia latifolia J. R. Bruff 1936-07 s.n. Sonoma Bodega Bay. Comment
  SD125397  Abronia latifolia Robert Robichaux 1975-5-18 129 Sonoma Bodega Bay, northwest end of Bodega Head Comment
  UCD109792  Abronia latifolia Steven Yoder 1969-5-24 28 Sonoma 1 mile north of Marine Lab at Bodega Bay. 7 Comment
  UC146774  Abronia umbellata Katharine Brandegee 1905-6-1 Sonoma Bodega Head Comment
  CAS-BOT-BC203226  Abutilon Peter Rubtzoff 1971-6-5 6509 Sonoma Bennett Valley Road, 4.25 mi. west of Glen Ellen Comment
  CAS-BOT-BC371439  Abutilon theophrasti Greg de Nevers 1997-9-10 11087 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Road at Mark West Springs Road 400 Comment
  UCR255648  Abutilon theophrasti Greg de Nevers 1997-9-10 11087 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  RSA785741  Acer macrophyllum Carrie A. Herd 1982-5-9 91 Sonoma Trinity Road; turnout; down hillside of road cut. 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
  CAS-BOT-BC30086  Achillea millefolium Roxana S. Ferris 1937-8-18 9377 A Sonoma near mouth of Salmon Creek on Bodega Bay Comment
  RSA39636  Achillea millefolium P. A. Munz 1947-10-10 12217 Sonoma 2 miles north of Jenner 30 Comment
  JEPS47752  Achlys triphylla subsp. triphylla Alice Louise Griffin 1924-8-7 Sonoma Stewart's Point Comment
  RSA783731  Achyrachaena mollis Peter Rubtzoff 1974-5-18 7425 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCD151098  Acmispon James A. Neilson Jr. 1974-6-1 s.n. Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UCD103779  Acmispon americanus var. americanus Frederica Bowcutt 1994-5-21 1801 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, about 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood, about 18 air miles NW of Napa. Along meadow trail, approx. 1/4 mile from trailhead. 1300 Comment
  OBI48781  Acmispon brachycarpus L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, ca 9 mi ENE of Geyserville. The Geysers quad T11N R8W, sec 32 914 Comment
  OBI12965  Acmispon glaber var. glaber Robert F. Hoover 1964-9-8 9289 Sonoma Timber cove Comment
  UCD104294  Acmispon parviflorus P. G. Connors 1992-5-13 255 Sonoma At edge of vernal pool near entrance road to Bodega Dunes State Park. Comment
  UCD128526  Adenocaulon bicolor K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC139922  Adenostoma fasciculatum Walter Knight; Irja Knight 1963-12-27 462 Sonoma Summit, Pine Flat Rd. Comment
  CAS-BOT-BC65531  Adiantum aleuticum Mary P. Wells 1984-7-21 375 Sonoma The Hot Spot, The Sea Ranch 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
  HSC949  Adiantum aleuticum F. Demostene 1966-4-8 37 Sonoma 25 mi. W of Healdsburg Comment
  JEPS97806  Adiantum capillus-veneris R. Raiche 1983-6-25 30523 Sonoma The Cedars; Headwaters of Austin Creek 365 Comment
Read comments
Oct 22 2013
  UCD160314  Adiantum capillus-veneris James A. Neilson Jr. 1975-5-23 3203 Sonoma Truit Creek, Abril property. 2.5 miles south of The Geysers. (Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC65688  Adiantum jordanii Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UC1063726  Adiantum jordanii E. Armstrong 1934-3-26 909 Sonoma 1 mi nw Camp Meeker; Sebastopol Quadrangle 121 Comment
  CAS-BOT-BC368050  Aegilops triuncialis Greg de Nevers 1989-6-8 9074 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UCR254921  Aegilops triuncialis Greg de Nevers 1989-1 9066 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  OBI70628  Aesculus californica Tracey & Viola Call, Viola Call 1961-6-10 2072 Sonoma On Russian river near Forestville 61 Comment
  UCD128637  Agoseris apargioides var. apargioides P. G. Connors 1992-5-14 257 Sonoma Bodega Marine Laboratory, Bodega Head and Dunes. Comment
  CAS-BOT-BC29571  Agoseris apargioides var. eastwoodiae Alice Eastwood 1915-6-29 4847 Sonoma Bodega Point Comment
  RSA416393  Agoseris grandiflora Christopher Davidson 1977-6-20 6027 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  CAS-BOT-BC176399  Agrostis Peter Rubtzoff 1964-5-31 5337 Sonoma Fitch Mtn. Grove, 2 mi. E of Healdsburg, along Russian River Comment
  CAS-BOT-BC210010  Agrostis Peter Rubtzoff 1973-8-27 7263 Sonoma Upper Green Valley Marsh Comment
  RSA785902  Agrostis Peter Rubtzoff 1964-7-14 5403 Sonoma Bennett Mtn. Lake Comment
  UCD166338  Agrostis Peter Rubtzoff 1968-8-24 5933 Sonoma Upper Salmon Creek Marsh. Comment
  UCD51871  Agrostis capillaris Beecher Crampton 1957-7-22 4378 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCD37150  Agrostis densiflora Beecher Crampton 1957-7-11 4328 Sonoma Sonoma County, 0.9 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD37152  Agrostis densiflora Beecher Crampton 1957-7-11 4331 Sonoma Sonoma County, 0.9 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  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
  UCD51891  Agrostis densiflora Beecher Crampton 1957-7-22 4397 Sonoma 1/4 mile north of Fort Ross, State Hwy. 1. 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-BC127404  Agrostis elliottiana Catherine Best 1993-5-6 1413 Sonoma Pepperwood, growing in Weimar Meadow. Comment
  CAS-BOT-BC126965  Agrostis exarata Greg de Nevers 1992-6-26 10208 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  UCD52075  Agrostis exarata R. Tofsrud 1941-7-1 s.n. Sonoma near Kenwood. Comment
  UCD52078  Agrostis exarata Beecher Crampton 1959-6-16 5391 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  CAS-BOT-BC139558  Agrostis gigantea Mary P. Wells 1985-8-5 585 Sonoma Santa Rosa. Ducker Creek bed, Rincon Valley. Comment
  UC36899  Agrostis hallii Michener and Bioletti 1893-6-10 109 Sonoma Hood's Peak Comment
  UC76872  Agrostis hallii Michener and Bioletti 1892-7-5 2256 a Sonoma Skaggs Springs 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
  CAS-BOT-BC138854  Agrostis microphylla K. Wagnon 1939-5-21 214 Sonoma On Road 9, four miles west of Sebastapool on Bodega highway. Comment
  UCD66731  Agrostis microphylla Leo Koch 1940-4-22 837 Sonoma Above Sulfur Creek Geysers. Comment
  UCD84282  Agrostis microphylla Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCR279856  Agrostis microphylla Peter Rubtzoff, Tim Tunison, Nancy Harrison 1976-6-5 8584 Sonoma North Coast Ranges, False Lake Meadow area, Annadel State Park 244 Comment
  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
  RSA94289  Agrostis oregonensis Peter Rubtzoff 1951-6-16 254 Sonoma Uppermost part of the western branch of the Uppper Marsh Comment
  CAS-BOT-BC138916  Agrostis pallens John Thomas Howell 1945-7-18 s.n. Sonoma Drier borders of Pitkin Marsh. Comment
  CAS-BOT-BC138919  Agrostis pallens G. DeNevers 1981-5-30 1402 Sonoma Pepperwood Ranch. 1st Canyons cutting EW on the E slope of Horse Hill. Comment
  CAS-BOT-BC138923  Agrostis pallens G. DeNevers 1981-5-30 1421 Sonoma Pepperwood Ranch. West facing slope above the Garrison Gate. Comment
  CDA31307  Agrostis pallens D. G. Kelch, Ed Biffin 2010-5-3 10 .214 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UC766899  Agrostis pallens R. F. Hoover 1941-5-14 5087 Sonoma 2 mi s Monte Rio (on road to Camp Meeker) Comment
  UCD53151  Agrostis pallens R. Tofsrud 1951-6-1 s.n. Sonoma summit of Oakville to Kenwood road. Comment
  SEINET7594124 Image available Agrostis perennans A. A. Beetle 1941-1 2855 Sonoma 5 miles south of Steward Point 24 Comment
  UC1023594  Agrostis scabra Virginia Bufford 1936-5-20 346 Sonoma 3 mi from Mark West (Kellogg Mark West Rd) Comment
  CAS-BOT-BC138598  Agrostis stolonifera Walter Knight; Irja Knight 1963-8-13 388 Sonoma Horseshoe Cove. Comment
  CDA36851  Aira caryophyllea 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
  UCD165152  Aira caryophyllea Peter Rubtzoff 1974-5-18 7438 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  UCD55780  Aira caryophyllea Chris Bowen 1976-5-18 126 Sonoma Unit 24 Owners' Map. Sea Ranch. Near State Highway 1. Comment
  CAS-BOT-BC138397  Aira caryophyllea var. capillaris John Thomas Howell 1944-5-14 s.n. Sonoma Chilero Valley, south Sonoma county. Comment
  UCD37560  Aira caryophyllea var. capillaris Beecher Crampton 1955-4-5 2406 Sonoma 2 miles west of Fulton, along Woolsey Road. Comment
  CAS-BOT-BC138214  Aira caryophyllea var. caryophyllea John H. Thomas 1966-5-8 11604 Sonoma 1.4 miles west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. Comment
  SEINET3917482  Aira praecox Fred W. Hoffman 1944-5-22 1992 Sonoma Cruz Ranch, Sonoma Coast near shore.; 0 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
  CAS-BOT-BC445334  Alisma lanceolatum Peter Rubtzoff 1954-8-2 1627 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC445340  Alisma lanceolatum Peter Rubtzoff 1954-8-12 1696 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC445465  Alisma triviale Peter Rubtzoff 1958-8-16 3874 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road). Comment
  CAS-BOT-BC462387  Allium amplectens R. C. Barneby 1954-4-30 11226 Sonoma S of Schellville 100 Comment
  CAS-BOT-BC469107  Allium dichlamydeum A. L. Graff 1928-6-1 s.n. Sonoma Near Cazadero Comment
  CDA18796  Allium triquetrum G. Bjork 2000-3-14 PDR 022581 Sonoma Copperfield Court, Santa Rosa 0 Comment
  CAS-BOT-BC251182  Alnus Peter Rubtzoff 1973-10-10 7338 Sonoma Salmon Creek, 0.25 miles south of Freestone. Comment
  SEINET12031413  Alnus rhombifolia F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -256 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC169361  Alnus rubra Peter Rubtzoff 1957-4-28 3286 Sonoma Lower Salmon Creek Marsh, along streamlet Comment
  CAS-BOT-BC540844  Amaranthus Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7843 Sonoma Kenwood Marsh Comment
  UC465921  Amaranthus deflexus Harriet A. Walker 1908-6-7 1165 Sonoma Santa Rosa Comment
  CAS-BOT-BC55540  Ambrosia psilostachya M. K. Bellue 1938-6-1 s.n. Sonoma Near Santa Rosa Comment
  CAS-BOT-BC135670  Amelanchier utahensis John H. Thomas 1955-5-22 5184 Sonoma Along St. Helena Road and West Creek, 1.2 miles west of Sonoma-Napa County line, about 6 miles from St. Helena 457 Comment
  UCR279886  Ammannia robusta Peter Rubtzoff 1972-8-26 6860 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC137886  Ammophila arenaria John H. Thomas 1969-9-21 15472 Sonoma Coastal strand, near mouth of Russian River. Comment
  CAS-BOT-BC177223  Amorpha californica var. napensis A. Day 1982-6-1 82 65 A Sonoma Pepperwood Ranch Comment
  UC80627  Amorpha californica var. napensis Michener and Bioletti May, 1893 Sonoma Nun's Canyon Comment
  POM252871  Amorpha californica var. napensis D. C. Michener, Bioletti 1893-05 s.n. Sonoma Nun's Canyon Comment
  CAS-BOT-BC162066  Amphibromus scabrivalvis Greg de Nevers 1996-6-5 10826 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road, about 10 miles north of Santa Rosa. In temporary pond on Weimar Flat. 121 Comment
  UC486489  Amsinckia intermedia H. E. and S. T. Parks 1930-5-9 609 Sonoma Knights Valley Comment
  POM71550  Amsinckia intermedia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  NY380649  Amsinckia nigricans A. A. Heller 1902-5-27 5614 Sonoma Bodega Bay Comment
  UC1084539  Amsinckia spectabilis Peter Kamb Ray 1952-5-30 2298 n Sonoma Hill 108 between Horseshoe Cove and Mussel Point (n end Bodega Bay); Bodega Head 30 Comment
  SEINET12519057  Amsinckia spectabilis Peter Kamb 1952-1 2298 Sonoma Hill 108 between Horseshoe Cove and Mussel Point, north end of Bodega Head 30 Comment
  SD41476  Anagallis arvensis Edith A. Purer 1932-7-21 4052 Sonoma Bodega Bay, sea bluff Comment
  UC581123  Ancistrocarphus filagineus H. L. Mason 1934-4-28 8093 Sonoma Jenson's Ranch; Dohrmann Creek Comment
  CAS-BOT-BC361386  Anemone oregana Greg de Nevers 1997-2-28 10902 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa W of Tower-in-Saddle, along fence line downhill from gate to Shurtleff property 400 Comment
  CDA38224  Angelica hendersonii T. C. Fuller 1957-9-24 397 -57 Sonoma Jenner. 0 Comment
  CAS-BOT-BC271434  Anisocarpus madioides Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 3 mile seast of Stewarts Point Comment
  CAS-BOT-BC271440  Anisocarpus madioides H. M. Hall 1931-5-28 13103 Sonoma Four miles northeast of Mark West Spr., Northeastern Sonoma County Comment
  CAS-BOT-BC102233  Anthemis cotula Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  RSA26260  Anthoxanthum aristatum Alice Eastwood, J. T. Howell 1936-5-19 2506 Sonoma 2 miles north of Windsor Comment
  RSA63618  Anthoxanthum aristatum Leo Koch 1940-4-12 841 Sonoma Damp meadow north of Windsor on East side of Hwy 101. Comment
  UCR118997  Anthoxanthum aristatum Beecher Crampton 1955-4-5 2412 Sonoma Santa Rosa Area, 3 miles northeast of Trenton, 3 miles southwest of Windsor, Starr Road, near Starr School, along Windsor Creek 91 Comment
  CAS-BOT-BC280670  Anthoxanthum occidentale Mary P. Wells 1983-8-3 156 Sonoma Timber Preserve of Oceanic of California Inc., The Sea Ranch Comment
  CAS-BOT-BC137688  Anthoxanthum odoratum Peter Rubtzoff 1960-5-16 4348 Sonoma Duncans Mills Marsh. Borderland of the marsh. Comment
  OBI35994  Anthoxanthum odoratum David J. Keil 1983-6-30 17210 Sonoma Stillwater Cove Regional Park Comment
  RSA47825  Anthriscus caucalis L. Beane, L. James 1949-5-11 1985 Sonoma 3 miles east of Hopland Comment
  UCD126273  Anthriscus caucalis Frederica Bowcutt 1996-5-19 2137 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air milse N of Kenwood, and 18 air miles NW of Napa. About 1 air mile S of Red Mtn in Adobe Canyon near office and corral. 396 Comment
  CAS-BOT-BC248905  Antirrhinum virga R. D. Stone; G. Clifton 1983-6-16 556 Sonoma At intersection of Burma (Kingcaid) Rd. and Big Sulphur Creek Rd., upper Big Sulphur Cr. drainage, ca. 3.0 mi. due S of summit Cobb Mt. 822 Comment
  UC1299405  Aquilegia eximia Freed W. Hoffman 1946-9-26 583 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  CAS-BOT-BC17342  Arabis blepharophylla A. A. Heller; H. E. Brown 1902-3-29 5178 Sonoma Bodega Head. Comment
  SJSU8313  Arabis blepharophylla D. N. Glover 1974-2-24 Sonoma 1 mi E of junction of Valley Ford & Freestone Rds, 2 mi W of Bodega 76 Comment
  UC1073294  Arabis blepharophylla George B. Rossbach 1955-3-19 293 Sonoma n and highest hill Bodega Head 81 Comment
  RSA0125737  Arabis breweri A. A. Heller, H. E. Brown 1902-3-31 s.n. Sonoma Mt. Hood Comment
  SEINET5730634 Image available Arbutus menziesii Janet McIntosh 1966-1 23 Sonoma 2 miles north of Guerneville.; Guerneville 30 Comment
  SEINET7258081  Arbutus menziesii L. Fallon 1939-1-2 s.n. Sonoma 10 miles west of Guerneville Comment
  RSA629204  Arctostaphylos Jon E. Keeley 1993-9-11 24783 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629224  Arctostaphylos Jon E. Keeley 1993-9-11 24774 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24082  Arctostaphylos bakeri Lewis S. Rose 1971-4-30 71024 Sonoma 2 mi. E of Occidental 182 Comment
  CAS-BOT-BC24088  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10953 Sonoma 2 miles east of Occidental Comment
  CAS-BOT-BC25319  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10958 Sonoma Serpentine ridge, 2 miles E of Occidental Comment
  UC1120875  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1552 Sonoma 1 mi ne Occidental; Sebastopol Quadrangle Comment
  UC1120878  Arctostaphylos bakeri A. E. Wieslander 1936-9-19 706 Sonoma 1 mi nw Occidental; Sebastopol Quadrangle Comment
  UC549711  Arctostaphylos bakeri J. E. Adams 1935-3-1 1031 Sonoma Occidental Comment
  RSA70871  Arctostaphylos bakeri subsp. bakeri L. S. Rose 1934-2-22 34032 Sonoma 2 miles E of Occidental. Comment
  CDA31371  Arctostaphylos canescens D. G. Kelch, Ed Biffin 2010-5-3 10 .202 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  POM367246  Arctostaphylos canescens subsp. canescens L. S. Rose 1949-3-27 49017 Sonoma 3 mi. east of Beltane. 457 Comment
  UC1281371  Arctostaphylos canescens subsp. canescens H. E. McMinn 1936-4-4 4395 Sonoma ridge near R. L. Stevenson Monument; Mt. St. Helena Comment
  UC1309665  Arctostaphylos canescens subsp. canescens A. E. Wieslander 1939-3-18 872 Sonoma head of Hooker Canyon Sonoma Quadrangle 487 Comment
  UCD112405  Arctostaphylos canescens subsp. canescens Christopher Mallek 2008-5-2 s.n. Sonoma Hooker Canyon. 590 Comment
  CAS-BOT-BC23851  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1931-3-14 5761 Sonoma Rincon Ridge, near Santa Rosa Comment
  CAS-BOT-BC23895  Arctostaphylos canescens subsp. sonomensis H. F. Copeland 1933-3-18 A 12 Sonoma Rincon Ridge, north of Santa Rosa Comment
  RSA13417  Arctostaphylos canescens subsp. sonomensis H. F. Copeland 1933-3-18 A 12 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  SEINET11998365  Arctostaphylos canescens var. sonomensis W. Knight, Knight, I.; Wells, P. V. 1985-1 6376 Sonoma Santa Rosa, Rincon Ridge, Montecito Drive & Rockridge Road, Finley property 122 Comment
  CAS-BOT-BC23643  Arctostaphylos columbiana Mary P. Wells 1981-4-19 s.n. Sonoma Along P.G.&E. right-of-way, no. of unit 27-A The Sea Ranch Comment
  UC1388311  Arctostaphylos columbiana Freed W. Hoffman 1947-12-1 2747 Sonoma Salt Point North Coast Ranges Comment
  CAS-BOT-BC24981  Arctostaphylos densiflora Catherine Best 1986-2-9 1162 Sonoma On Stoetz Lane about 3 miles NE of Occidental. Comment
  CAS-BOT-BC24990  Arctostaphylos densiflora Milo S. Baker 1930-3-1 3882 Sonoma Vine Hill region along highway, Brn. Ranch Comment
  CAS-BOT-BC24994  Arctostaphylos densiflora John Thomas Howell 1945-5-30 20910 Sonoma Vine Hill School Comment
  CAS-BOT-BC25017  Arctostaphylos densiflora Elmer I. Applegate 1932-3-19 7028 Sonoma Roadside just W of Vine Hill Schoolhouse, about 10 mi Westerly from Santa Rosa. Type Station. Comment
  CAS-BOT-BC25019  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill Schoolhouse. Comment
  JEPS19873  Arctostaphylos densiflora H. L. Mason 1931-3-8 Sonoma w Santa Rosa; Vine Hill School Comment
  RSA13429  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill School House Comment
  SBBG28870  Arctostaphylos densiflora J. Clausen 1933-3-26 743 Sonoma Vine Hill Schoolhouse, 10 mi W of Santa Rosa Comment
  UCD50803  Arctostaphylos densiflora Chas. Lamoureux; Lalit Srivastava and Roman Gankin 1947-11-1 248 Sonoma On Vine Hill School Road, 0.1 mile east of juncture with Vine Hill Road. Comment
  RSA0003106  Arctostaphylos densiflora J. T. Howell 1933-4-2 10951 Sonoma 8 miles west of Santa Rosa Comment
  SEINET11987266  Arctostaphylos densiflora J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4098 Sonoma Strybing Arboretum, San Francisco, via Edmunds Nursery orig from Vine Hill District, near Sebastopol Comment
  UCSB12556  Arctostaphylos densiflora Huot, J. 1961-3-25 Sonoma 4 miles east of Healdsburg, along north side of Highway 101 on roadbanks 30 Comment
  CAS-BOT-BC361404  Arctostaphylos glandulosa Greg de Nevers 1994-3-18 10514 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. 457 Comment
  SEINET11998394  Arctostaphylos glandulosa f. cushingiana W. Knight, Knight, I. 1987-1 6080 Sonoma adjacent to Pepperwood Prserve in Devils Kitchen Comment
  CAS-BOT-BC23286  Arctostaphylos glandulosa subsp. cushingiana Walter Knight; Irja Knight 1986-3-23 5367 Sonoma On Geysers Road near Mercuryville at junction of private road to Sulphur Peak. 822 Comment
  RSA631189  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24724 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA631192  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24733 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24677  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight; Steve Edwards 1986-3-23 5366 Sonoma On Geysers Rd. near Mercuryville at junction of private road ro Sulphur Peak. 822 Comment
  RSA177920  Arctostaphylos glandulosa subsp. glandulosa R. F. Thorne 1965-4-20 34374 Sonoma 4 mi . up Cavedale Rod., ca. 6 mi. N of sonoma. 457 Comment
  UC1120212  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-3-8 1574 Sonoma 1 1/2 mi n County Farm; Santa Rosa Quadrangle, Rincon Ridge 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
  CDA10854  Arctostaphylos glandulosa var. cushingiana G. F. Hrusa, G. L. Stebbins 1994-4-8 11730 Sonoma North Coast Biodiversity Arena; N facing slope at Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  LA42174  Arctostaphylos hispidula John Thomas Howell; 1933-4-2 10956 Sonoma 2 mi. E of Occidental Comment
  RSA339404  Arctostaphylos hispidula Roger Raiche 1984-11-10 RR 40541 Sonoma Rockpile Road: 7.8 mi north of its beginning at intersection of Skaggs Springs-Stewart Point Rd 548 Comment
  SEINET11993006  Arctostaphylos hispidula Unknown 1984-1 RR 40044 Sonoma on Rockpile Road ca 9.1 mi N of origin of Skaggs Springs-Stewarts Point Road 503 Comment
  CAS-BOT-BC38992  Arctostaphylos manzanita Roger Raiche 1983-7-10 30491 A Sonoma Near intersection between East Austin Creek and Gray Creek 140 Comment
  CDA37441  Arctostaphylos manzanita D. G. Kelch, T. McGregor 2010-8-22 10 .342 Sonoma Geyser Peak Rd. Comment
  HSC83403  Arctostaphylos manzanita D. L. Koutnik, Mary Barbercheck 1981-6-18 Sonoma Austin Creek State Recreation Area, ca. 4 mi. N of Guerneville 488 Comment
  UCD59404  Arctostaphylos manzanita Roger Raiche; Stephen W. Edwards 1983-6-9 100 Sonoma The Cedars. West of ridge on Twitchell property near Cazadero. 274 Comment
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Oct 17 2013
  RSA633050  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24812 Sonoma Vinehill School Road [near Graton, E of Pitkin Marsh] 90 Comment
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Feb 9 2014
  RSA633053  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27485 Sonoma Lake Sonoma Overlook off Stewarts Road. 250 Comment
  SEINET11990955  Arctostaphylos manzanita Unknown 1983-1 30572 Sonoma N slope Morrison Ridge, Austin Creek State Recreation Area, above Thompson Creek 274 Comment
  SEINET11990969  Arctostaphylos manzanita Unknown 1983-1 30491 A Sonoma near intersection between East Austin Creek & Gray Creek 140 Comment
  SEINET11991948  Arctostaphylos manzanita W. Knight, Knight, I. 1984-1 5056 Sonoma Alta Vista Lane, Rincon Ridge, Santa Rosa Comment
  UC674748  Arctostaphylos manzanita subsp. elegans E. A. Goldman 1907-12-29 71 Sonoma Mt. St. Helena 1219 Comment
  CAS-BOT-BC38651  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-4-2 10949 Sonoma 8 miles west of Santa Rosa Comment
  CAS-BOT-BC38676  Arctostaphylos manzanita subsp. manzanita Stephen W. Edwards 1982-5-30 s.n. Sonoma The Cedars Ride north of Cazadero, northwest of King Ridge Road at source of Big Austin Creek on serpentine. Comment
  CAS-BOT-BC38695  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4751 Sonoma The Cedars, near Cazadero 274 Comment
  CAS-BOT-BC38717  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1930-3-9 3899 a Sonoma Vine Hill district on Frei Bros. Ranch Comment
  POM131951  Arctostaphylos manzanita subsp. manzanita A. A. Heller, H. E. Brown, A. H. Heller 1902-3-20 10640 Sonoma Near Windsor. Comment
  POM209630  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  UC1388368  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-3-11 822 Sonoma creek is branch of Dutch Bill Creek North Coast Ranges, Duvoul Creek Comment
  UCD110453  Arctostaphylos manzanita subsp. manzanita Christopher Mallek 2008-1 s.n. Sonoma Hooker Canyon. 590 Comment
  CAS-BOT-BC38719  Arctostaphylos manzanita subsp. manzanita William R. Dudley 1893-2-1 s.n. Sonoma L. A. Jr. Arboretum Comment
  CAS-BOT-BC38743  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight; Stephen W. Edwards 1985-1-27 5171 Sonoma A couple of miles down Kelly Road west of Rockpile road junction. 487 Comment
  CAS-BOT-BC45397  Arctostaphylos nummularia Mary P. Wells 1986-1-9 405 B Sonoma Off Pilot's Reach, The Sea Ranch. Comment
  UC549523  Arctostaphylos nummularia J. E. Adams 1934-6-9 827 Sonoma 1 mi s McNamees Store Comment
  CAS-BOT-BC45399  Arctostaphylos nummularia Mary P. Wells 1985-10-4 675 Sonoma Ca. 1 mi. s. of Gualala River. Comment
  CAS-BOT-BC47346  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1963-12-27 471 Sonoma Pine Flat Rd., Circle S Ranch. Comment
  RSA636819  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24742 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  SEINET11989085  Arctostaphylos stanfordiana Unknown 1982-1 20301 F Sonoma King Ridge Rd (4.5 mi N of jct Ft Ross Rd) about 0.7 mi in from King Ridge Rd on Old Layton Mine Rd Comment
  CAS-BOT-BC47302  Arctostaphylos stanfordiana subsp. decumbens Roger Raiche 1985-2-3 50041 Sonoma Unnamed ridge w. of Dry Creek Valley, n. of Crane Creek and s. of Bradford Mountain. 182 Comment
  JEPS95227  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  JEPS95235  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  UCD51008  Arctostaphylos stanfordiana subsp. decumbens Roger Raiche 1982-4-10 20301 C Sonoma King Ridge Rd. (4.5 mi. n. of jct. with Ft. Ross Rd.) about .7 mi. in from King Ridge Rd. on Old Layton Mine Rd. On topo map area is called ' Red Slide', north of Cazadero in Sonoma County. Comment
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Oct 17 2013
  JEPS73685  Arctostaphylos stanfordiana subsp. stanfordiana L. R. Heckard 1968-2-25 1753 Sonoma along Cavedale Road about 5 mi from its junction with the Sonoma-Kenwood Road (edge of Macnab Cypress area, western slope of Hooker Canyon (head of)); w slope of Hooker Canyon (head of) 548 Comment
  POM210078  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A- 11 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  SBBG28529  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A 11 Sonoma Spring Mtn Rd, ca. 8 mjiles E of Santa Rosa 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
  UC549531  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 747 Sonoma 1 mi s McNamees Store Comment
  UC101569  Arctostaphylos viscida subsp. pulchella Alice Eastwood 1900-2-22 Sonoma Mt. St. Helena Comment
  UC1193017  Arctostaphylos viscida subsp. pulchella P. Zinke 1949-6-14 62 Sonoma divide between Dry Creek and Smith Creek; Quad 61A3 457 Comment
  CAS-BOT-BC47468  Arctostaphylos viscida subsp. viscida Stephen W. Edwards 1982-5-30 s.n. Sonoma The Cedars Ridge, north of Cazadero, northwest of King Ridge Road at source of Big Austin Creek. Comment
  POM209633  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-BC467189  Arenaria serpyllifolia var. serpyllifolia John Thomas Howell 1935-5-5 12602 Sonoma Spontaneous in M.S. Baker garden near Kenwood Comment
  CAS-BOT-BC400483  Aristolochia californica A. A. Heller; H. E. Brown 1902-3-12 5042 Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  SEINET11262973  Aristolochia californica James Faro 1962-4-22 5 Sonoma South side of Lake Ralphine in Santa Rosa.; 0 Comment
  RSA301116  Armeria maritima subsp. californica D. C. Michener 1982-7-26 4124 Sonoma Gualala Point county park just south of the Mendocino Co line on CA 1. Comment
  RSA40726  Armeria maritima subsp. californica E. K. Balls, Percy C. Everett 1953-10-9 18602 Sonoma 0.7 mi NW of Salmon Creek, Hwy 1 between Bodega Bay and Jenner, Sonoma Coast State Park. 15 Comment
  SEINET7067267  Armeria maritima subsp. californica A. G. Vestal 1947-5-13 s.n. Sonoma North of Salmon Creek. Coordinate datum: NAD27. UTM 10, 494344mE, 4245376mN. Comment
  UCD98459  Armeria maritima subsp. californica Chris Bowen 1974-6-2 148 Sonoma near State Highway 1, Sea Ranch. 12 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
  SEINET11933459  Armeria maritima var. californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -145 Sonoma between Salmon Creek & Cormet, junction Coleman Valley Road & CA 1 12 Comment
  CAS-BOT-BC361354  Arnica discoidea Greg de Nevers 1997-4-24 10956 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC82563  Arnica discoidea James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  CDA391  Arnica discoidea D. G. Kelch 2003-7-14 3 .376 Sonoma Cavedale Road. Comment
  UCD56032  Arrhenatherum elatius David L. Morgan 1956-6-10 s.n. Sonoma 2 miles south of Occidental. On Bohemian Highway. Comment
  CAS-BOT-BC175852  Artemisia Peter Rubtzoff 1953-11-1 1435 Sonoma Vacation Beach, near Guerneville. Comment
  UCD38477  Artemisia californica Beecher Crampton 1955-6-17 2971 Sonoma State Hwy. 1, 3.5 miles south of Fort Ross. 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
  UCD138095  Arum italicum L. M. Harwood 1972-1-1 s.n. Sonoma 5420 Volkerts Road, near junction with Hessel Road, around 4.5 miles southeast of Sebastopol. Comment
  CAS-BOT-BC146253  Arundo donax Mary P. Wells 1985-8-5 586 Sonoma Ducker Creek, Rincon Valley Santa Rosa. Comment
  CAS-BOT-BC400601  Asarum caudatum Walter Knight; Irja Knight 1963-11-22 427 Sonoma Ida Clayton Rd Comment
  UC116648  Asarum caudatum F. T. Bioletti 1892-1 Sonoma Comment
  POM130171  Asclepias fascicularis A. A. Heller 1902-6-4 s.n. Sonoma Santa Rosa Comment
  UC1084478  Asclepias fascicularis G. Thomas Robbins 1937-6-18 250 Sonoma College Avenue Santa Rosa Comment
  CAS-BOT-BC477894  Asteraceae Peter Rubtzoff 1974-9-8 7891 Sonoma Forest Hills. 5.5 mi. east of Guerneville. Comment
  UC82559  Astragalus clevelandii Edward Lee Greene 1883-8-22 Sonoma n side Mt. St. Helena Comment
  UCD136300  Athyrium filix-femina var. cyclosorum Mary M. Hektner 1976-12-15 282 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA0018577  Atriplex Peter Rubtzoff 1958-9-20 3996 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mile north of Guerneville Rd.) Comment
  UCR244598  Avena fatua Peter Rubtzoff 1972-5-25 6766 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC154151  Baccharis douglasii Peter Rubtzoff 1958-8-23 3918 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  RSA94308  Baccharis douglasii Peter Rubtzoff 1951-8-4 575 Sonoma Open area between the Upper and Lower marshes Comment
  UCD163790  Barbarea Peter Rubtzoff 1989-3-13 9982 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC16693  Barbarea orthoceras A. A. Heller; H. E. Brown 1902-3-20 5106 Sonoma Near Windsor. Comment
  CAS-BOT-BC145845  Beckmannia syzigachne Peter Rubtzoff 1961-5-24 4599 Sonoma Upper Stemple Creek Marsh. Comment
  UCR248770  Beckmannia syzigachne Peter Rubtzoff 1976-5-30 8571 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  SEINET10967575  Beckmannia syzigachne H. P. Bracelin 1930-7-27 Bracelin 20 Sonoma On Redwood slope. One mile north of Fort Ross. Comment
  UCD129545  Bellis perennis P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC75659  Berberis nervosa Walter Knight; Irja Knight 1963-11-22 426 Sonoma Ida Clayton Road not far from Lake county line. Comment
  RSA155645  Bidens frondosa L. S. Rose 1960-9-14 60092 Sonoma Laguna de Santa Rosa, 2 miles east of Grafton 15 Comment
  UCR248962  Bidens laevis Peter Rubtzoff 1961-9-6 4740 Sonoma Laguna de Santa Rosa, northeast of Gratton 24 Comment
  UCR249043  Bidens laevis Peter Rubtzoff 1963-10-30 5300 Sonoma Bodega Head Marsh 2 Comment
  CAS-BOT-BC100247  Blennosperma bakeri Peter H. Raven 1963-4-28 18251 Sonoma 4.7 miles south of El Verano on Arnold Drive Comment
  JEPS81944  Blennosperma bakeri Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8929 Sonoma along Hayes St. just s Bettencourt (southern outskirts of town, at type locality); Sonoma 19 Comment
  RSA44227  Blennosperma bakeri J. T. Howell 1949-4-6 25303 Sonoma North Coast Range southwest of 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
  SEINET1783801  Blennosperma bakeri Milo S. Baker 1946-4-2 11307 Sonoma Western outskirts of Sonoma about 1/4 mi S of Napa Street on east side of street. Comment
  CDA10525  Blennosperma bakeri T. C. Fuller 1977-4-21 20200 Sonoma North of the fence of the Church of Christ, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  JEPS83485  Blennosperma bakeri Jack and Betty Guggolz 1986-3-14 856 Sonoma n of, w of Hwy 12, n side of Bonneau road Bonneau Comment
  RSA0008301  Blennosperma bakeri Milo S. Baker 1952-3-20 12401 Sonoma Western outskirts of Sonoma on 5th St. between Bettencourt and McArthur. Comment
  RSA41980  Blennosperma nanum Ella Dales Cantelow 1941-4-18 3590 Sonoma 2 miles north of Windsor. Comment
  CAS-BOT-BC105957  Blennosperma nanum var. nanum Ruth Hass 1975-3-9 s.n. Sonoma Near Summerfiled Road near Bennett Valley, se. of Santa Rosa Comment
  CAS-BOT-BC154975  Boisduvalia densiflora Peter Rubtzoff 1962-7-6 4975 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  RSA790867  Boisduvalia densiflora Peter Rubtzoff 1969-7-25 6121 Sonoma 6.5 miles NE of Penngrove, on Lichan Road 427 Comment
  CAS-BOT-BC75483  Bolboschoenus glaucus Mary P. Wells 1987-5-20 s.n. Sonoma 0.6 mile north of Gravenstein Highway on Llano Road - under bridge. Comment
  CAS-BOT-BC322144  Bolboschoenus maritimus Peter Rubtzoff 1955-8-20 2083 Sonoma Bodega Harbor Marsh. Comment
  UCD102604  Boykinia occidentalis K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC418502  Boykinia occidentalis W. W. Carruth 1899-7-1 s.n. Sonoma Geyers 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
  SEINET4182957 Image available Briza maxima Robert F. Hoover 1941-5-14 5102 Sonoma Hills north of Bodega. Comment
  SJSU810  Briza maxima A. W. Jacobs 1943-5-15 Sonoma near Forestville Comment
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Sep 17 2008
  UCD57147  Briza maxima C. Wistrom 1996-5-26 35 Sonoma Healdsburg. 1601 Dry Creek Road. 48 Comment
  CAS-BOT-BC145485  Briza maxima David L. Morgan 1956-5-23 s.n. Sonoma Hill Road, 2 miles southwest of junction with Highway #1. Comment
  CAS-BOT-BC145289  Briza minor John Thomas Howell 1935-5-5 12607 Sonoma Kenwood. Comment
  UC1130933  Briza minor H. S. Yates 1934-4-21 Sonoma near Duncan Mills; Duncan Mills Quadrangle Comment
  RSA94605  Briza minor Peter Rubtzoff 1951-6-9 154 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC478965  Brodiaea californica subsp. californica Greg de Nevers 1991-6-22 9753 Sonoma Pepperwood Natural Preserve 3450 Franz Valley Road 475 Comment
  SEINET12044726  Brodiaea coronaria L. S. Rose 1932-1 32301 Sonoma Shellville Comment
  CAS-BOT-BC484393  Brodiaea elegans subsp. elegans Roxana S. Ferris; Laura Lorraine 1961-6-14 13528 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  JEPS5691  Brodiaea leptandra W. L. Jepson 1918-6-23 7657 Sonoma Poor Man's Flat Windsor Comment
  UC119909  Brodiaea terrestris subsp. terrestris Katharine Brandegee 1905-6-8 Sonoma between Santa Rosa Sebastopol Comment
  UC768720  Brodiaea terrestris subsp. terrestris R. F. Hoover 1938-6-14 3605 Sonoma 2 mi se Healdsburg Comment
  CAS-BOT-BC486464  Brodiaea terrestris subsp. terrestris Rimo Bacigalupi 1926-3-27 1251 Sonoma Meadow opposite Myrtle dale gyser 11/2 miles north of Calistoga Comment
  CAS-BOT-BC144167  Bromus J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma. Comment
  SJSU6768  Bromus briziformis J. L. Tipton 1976-5-1 Sonoma orchard 3 mi SE of Sebastopol 121 Comment
  UCD36637  Bromus carinatus Beecher Crampton 1955-6-8 2831 Sonoma Sonoma County, at Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  UCD58250  Bromus carinatus Collector unknown 1941-4-1 Sonoma Santa Rosa. Franklin Ave. Comment
  CAS-BOT-BC149088  Bromus carinatus var. carinatus John H. Thomas 1976-6-16 18343 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UC1131045  Bromus carinatus var. carinatus H. S. Yates 1937-5-3 6566 Sonoma 1 1/2 mi ne of Petrified Forest 335 Comment
  UCD151108  Bromus carinatus var. marginatus James A. Neilson Jr. 1974-6-1 3035 Sonoma Mayacmas Mountains, Geyser Rock. (Elevation estimated by label maker using Google Earth.) 1066 Comment
  CAS-BOT-BC156276  Bromus catharticus Catherine Best 1982-6-30 s.n. Sonoma At Bodega Bay. Comment
  CAS-BOT-BC155896  Bromus catharticus var. elatus David L. Morgan 1956-4-24 s.n. Sonoma On State Highway #12, 1 mile east of Schellville Railroad Station. Comment
  UC574004  Bromus commutatus H. S. Yates 1937-6-6 6581 Sonoma 8 mi sw of Healdsburg 152 Comment
  CAS-BOT-BC155659  Bromus diandrus G. DeNevers 1981-4-20 748 Sonoma Pepperwood Ranch. Top of Horse Hill. Pippindale farm. Comment
  CAS-BOT-BC155667  Bromus diandrus John H. Thomas 1966-5-8 11597 Sonoma 1.4 mile west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. Comment
  POM204672  Bromus diandrus A. A. Heller 1902-4-17 5322 Sonoma Hills at Santa Rosa Comment
  UCR248720  Bromus diandrus Peter Rubtzoff 1964-5-31 5331 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg, along Russian River 61 Comment
  CAS-BOT-BC155202  Bromus hordeaceus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  JEPS121158  Bromus hordeaceus Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18590 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  UCD66095  Bromus hordeaceus Frederica Bowcutt; Jeff Kennedy (Det.) and Jolie Hendricks 1994-5-1 1751 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; ~11 air miles E of Santa Rosa; ~18 air miles NW of Napa; ~1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along Goodspeed Trail ~1/8 mile from trail head on Adobe Canyon Rd. 213 Comment
  CDA366  Bromus laevipes D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .27 Sonoma Cavedale Rd. Comment
  CDA36867  Bromus laevipes 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
  UC1146638  Bromus laevipes Freed W. Hoffman 1941-6-20 2102 Sonoma near Camp Meeker (North Coast Ranges, Oregon Canyon); North Coast Ranges, Oregon Canyon Comment
  UCD151142  Bromus madritensis subsp. rubens James A. Neilson Jr. 1973-6-7 3564 Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  SEINET14440067  Bromus orcuttianus J. A. Churchill 1974-5-1 74 3022 Sonoma CAmp Meeker Comment
  CAS-BOT-BC161703  Bromus rubens A. A. Heller 1902-4-4 5216 Sonoma Hills near Santa Rosa. Comment
  UCR37755  Cakile maritima A. C. Sanders 1985-1-19 5369 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  UCR254896  Calamagrostis Peter Rubtzoff 1971-6-10 6537 Sonoma Pitkin Marsh, near Forestville 38 Comment
  SEINET10843394  Calamagrostis P. Rubtzoff 1967-8-22 Rubtzoff 5856 Sonoma SE of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC185403  Calamagrostis bolanderi Mary P. Wells 1981-8-2 s.n. Sonoma Hedgegate Road, The Sea Ranch. Comment
  UC1023583  Calamagrostis koelerioides unknown 1936-5-4 208 Sonoma Monte Rio Comment
  CAS-BOT-BC185124  Calamagrostis nutkaensis David D. Keck 1948-6-29 5929 Sonoma 2 miles north of Fort Ross. 45 Comment
  CDA31620  Calamagrostis nutkaensis P. B. Kennedy 1919-5-16 Sonoma Del Mar. 0 Comment
  UC629977  Calamagrostis nutkaensis Leo F. Koch 1940-4-20 803 Sonoma along Hwy 1 nine mi s Stewarts Point Comment
  UCD57515  Calamagrostis nutkaensis Chris Bowen 1974-6-2 146 Sonoma near State Highway 1, Sea Ranch, Unit 7 Owners' Map, near Whaler's Reach. 30 Comment
  UCD57532  Calamagrostis nutkaensis P. B. Kennedy 1915-1 s.n. Sonoma Del Mar Ranch. Comment
  OBI22358  Calamagrostis ophitidis Robert F. Hoover 1965-6-29 9475 Sonoma N of summit on Harrison Grade rd near Occidental 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
  CAS-BOT-BC166776  Calandrinia Peter Rubtzoff 1974-5-11 7396 Sonoma Laguna de Santa Rosa ca. 1 mile ESE of Sebastopol. Comment
  CAS-BOT-BC273249  Calendula arvensis John Thomas Howell 1946-3-31 21591 Sonoma Just east of Sonoma Comment
  JEPS22790  Calendula arvensis Milo S. Baker 1946-4-2 11306 Sonoma 1 mi s of El Verano (at a road junction, w of Sonoma Creek) Comment
  CDA7759  Calendula arvensis Plane/S. Thomas 2008-2-26 PDR# 1481678 Sonoma Kenwood, 11011 Sonoma Hwy 0 Comment
  UCD33564  Calendula arvensis Beecher Crampton 1970-3-12 8545 Sonoma Sonoma, 1st. Street West, just south of r.r. depot. Comment
  UC869395  Callitriche heterophylla Leo Koch 1939-5-15 630 Sonoma e of Petaluma (Hamilton ranch 1 mi, from Old Adobe) Comment
  CAS-BOT-BC293757  Callitriche marginata Peter Rubtzoff 1974-4-17 7370 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC376223  Callitriche marginata Greg de Nevers 1995-5-20 10729 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In road through Fern Canyon 487 Comment
  JEPS682  Callitriche trochlearis W. L. Jepson 1914-4-11 5806 Sonoma near Eldridge; Sonoma Valley 35 Comment
  RSA247438  Callitriche verna Peter Rubtzoff 1967-7-30 5847 Sonoma Guerneville March. Comment
  UC496432  Calochortus amabilis Merle Randall 1930-6-11 Sonoma 2 mi from Cazadero (Christopher Ranch) 304 Comment
  UCD160859  Calochortus amabilis James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3297 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-BC483274  Calochortus amabilis John H. Thomas 1966-5-8 11605 Sonoma 1.4 miles west of Napa-Sonoma county line, along road between Calistoga and Santa Rosa Comment
  CAS-BOT-BC483287  Calochortus amabilis Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC483294  Calochortus amabilis Wayne Roderick 1967-5-20 s.n. Sonoma Ida Clayton Road, n.w. side of Mt. St. Helena 304 Comment
  SEINET12044756  Calochortus amabilis H. E. Parks, Parks, S. T. 1930-1 605 Sonoma Alexander Valley Comment
  CAS-BOT-BC492639  Calochortus luteus L. R. Abrams 1918-4-30 7067 Sonoma near Healdsburg Comment
  CAS-BOT-BC492641  Calochortus luteus Volney Rattan 1885-5-9 s.n. Sonoma Sonoma Creek Comment
  UC1299343  Calochortus raichei Freed W. Hoffman 1947-5-30 519 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UC72482  Calochortus tolmiei Milo S. Baker 1898-4-5 5 Sonoma Coast Road Comment
  CAS-BOT-BC494039  Calochortus tolmiei Dorothy Scherer 1997-3-24 075 Sonoma Grassy area south of Kolmer Gulch and ca 300' east of Hwy one. Fort Ross State Historic Park 91 Comment
  CAS-BOT-BC132638  Calochortus uniflorus Rimo Bacigalupi 1926-3-27 1249 Sonoma Meadow opposite Myrtledale Geyser, 1 1/2 miles north of Calistoga Comment
  UC3483  Calochortus uniflorus F. T. Bioletti Sonoma Comment
  UC3486  Calochortus uniflorus W. H. Brewer 1864-1 3960 Sonoma Mark West Comment
  UC65044  Calochortus uniflorus Milo S. Baker 1898-4-5 Sonoma between Stewarts Point Sea View Comment
  RSA135373  Calycadenia pauciflora Volney Rattan 1877-6-26 s.n. Sonoma Geysers Comment
  UCD129888  Calycadenia truncata K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  UCD158790  Calycadenia truncata James A. Neilson Jr. 1974-6-1 2877 Sonoma Mayacmas Mountains, Geyser Rock, Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  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
  CAS-BOT-BC272757  Calycadenia truncata subsp. truncata John Thomas Howell 1926-10-3 2212 Sonoma Two miles from Petrified Forest on road to Calistoga Comment
  CAS-BOT-BC90997  Calycanthus occidentalis A. A. Heller 1902-6-11 5689 Sonoma Santa Rosa Creek, east of Santa Rosa. Comment
  CAS-BOT-BC90999  Calycanthus occidentalis Greg de Nevers 1994-4-26 10521 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In headwaters of Franz Creek near Mountain House. 457 Comment
  CAS-BOT-BC91016  Calycanthus occidentalis Catherine Best 1981-6-5 s.n. Sonoma Bohemian Highway 3 miles north of Occidental. 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
  UC635500  Calycanthus occidentalis H. L. Mason 1934-4-28 8067 Sonoma head of Dohrman Creek Dohrman Creek (Jensen Ranch) Comment
  POM97738  Calycanthus occidentalis Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  UCD137933  Calycanthus occidentalis Collector Unknown Date Unknown s.n. Sonoma north-eastern part of county. Comment
  JEPS21820  Calypso bulbosa Roy Ramberg 1958-4-5 Sonoma 1/2 mi se of Occidental (in Redwood Picnic Area); Redwood Picnic Area 45 Comment
  JEPS29352  Calypso bulbosa Wayne Roderick 1963-3-2 Sonoma 3 mi nw of Occidental (on Willow Creek Road); Willow Creek Road 304 Comment
  UC571414  Calypso bulbosa Jean Linsdale 1937-2-10 Sonoma Bodega Creek Comment
  OBI48779  Calyptridium quadripetalum L. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, ca. 9 mi ENE of Geyserville ; 1/2 mi N of the mine 914 Comment
  RSA0059767  Calystegia D. F. Howe 1969-5-28 s.n. Sonoma 13.5 miles north of Jenner on Highway 1. Comment
  JEPS87234  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1992-5-2 1268 Sonoma About 3/8 miles northeast of White Rock is about 1 3/4 miles north of Jimtown 377 Comment
  RSA0059883  Calystegia collina subsp. oxyphylla Roxana S. Ferris, Laura Lorraine 1948-6-9 11660 Sonoma Summit of grade between Mark West Valley and Franz Valley. Comment
  SD73206  Calystegia purpurata subsp. saxicola Darley F. Howe 1969-5-28 4611 Sonoma 13.5 miles north of Jenner on Highway 1 Comment
  SD88401  Calystegia purpurata subsp. saxicola Darley F. Howe 1972-4-30 Sonoma Bodega Bay Comment
  JEPS120458  Calystegia purpurata subsp. saxicola Daniel Slakey 2013-7-10 58 Sonoma Salt Point State Park, specimens collected along a 1 mile stretch of coast surrounding Salt Point. Comment
  UCD126166  Calystegia soldanella Mary M. Hektner; Cathy Hendel 1974-7-25 168 Sonoma north of Galleon's Reach, Unit 7 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC436454  Calystegia subacaulis Alice Eastwood 1921-5-8 10473 Sonoma Petaluma Comment
  JEPS18142  Calystegia subacaulis Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5664 Sonoma Along and just above creek-bed, headwaters of Big Austin Creek, vicinity of The Cedars, near Layton Chromite Mine. 266 Comment
  SEINET3885509  Camassia quamash James Faro 1962-4-22 11 Sonoma Ocean Cove Ranch, about 4 miles North of Fort Ross.; 0 Comment
  SEINET3885514  Camassia quamash Keller, McDowell 1940-5-15 s.n. Sonoma Bennett Mountain. Mer. Boise.; 0 1219 Comment
  UCD138332  Camassia quamash subsp. linearis P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  NY679548  Camissonia cheiranthifolia subsp. cheiranthifolia A. A. Heller 1940-5-17 15626 Sonoma On the bluff N of the town of Bay, Bodega Bay. Comment
  CAS-BOT-BC160367  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Alice Eastwood 1915-6-29 4832 Sonoma Bodega Point Comment
  CAS-BOT-BC266420  Campanula californica Herbert L. Mason 1946-7-4 12894 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  RSA264763  Campanula californica Peter Rubtzoff 1965-8-10 5588 Sonoma Duncan's Mill Marsh Comment
  HSC86665  Campanula californica R. W. Becking 1988-8-12 Sonoma Seaside Estate Meadow area W of Hwy. 1 Comment
  SEINET10463936  Campanula californica Parks 1925-7-20 PARKS s.n. Sonoma Stewarts Point Comment
  RSA456184  Campanula prenanthoides Lester Rowntree 1931-7-15 s.n. Sonoma Stewart Pt. Skaggs Springs Road. Comment
  CAS-BOT-BC37751  Cardamine californica R. H. Thompson 1880-4-1 s.n. Sonoma Healdsburg. Comment
  UCD55142  Cardamine californica Ellen Dean; Tammie Beyerl 2006-4-28 3024 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 174 Comment
  UCR244500  Cardamine californica Peter Rubtzoff 1962-4-18 4797 Sonoma Freestone Marsh 79 Comment
  CAS-BOT-BC37776  Cardamine californica Alice S. M. McKenzie 1981-2-23 20 Sonoma Coast between Russian and Gualala Rivers. California State Highway 1 at Kolmer Gulch. Near road. Comment
  CAS-BOT-BC384865  Cardionema ramosissimum Walter Knight; Irja Knight 1963-8-13 317 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC281764  Carduus pycnocephalus John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54683 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  UC796491  Carduus pycnocephalus subsp. pycnocephalus Roxana S. Ferris and Laura Lorraine 1948-6-9 11658 Sonoma about 3/4 of a mi from Mark West Road Franz Valley Road Comment
  CAS-BOT-BC376270  Carex Greg de Nevers 1993-3-10 10324 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In the Bald Hills 304 Comment
  UCD164192  Carex Peter Rubtzoff; Nancy Harrison 1978-6-11 9206 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  CAS-BOT-BC422345  Carex Peter Rubtzoff 1975-7-3 8145 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC334525  Carex abrupta Peter Rubtzoff 1958-5-17 3658 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC18138  Carex athrostachya Peter Rubtzoff 1954-7-4 1532 Sonoma Austin Creek Marsh. Comment
  UCR208534  Carex athrostachya Peter Rubtzoff 1959-5-30 4055 Sonoma Freestone Marsh 79 Comment
  UCD112454  Carex athrostachya Peter Rubtzoff 1960-5-20 4395 Sonoma Laguna de Santa Rosa east of Graton (between Occidental and Guerneville roads). Comment
  CAS-BOT-BC328120  Carex barbarae Peter Rubtzoff 1974-6-2 7512 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC350809  Carex barbarae Peter Rubtzoff 1955-5-21 1873 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC422353  Carex barbarae Peter Rubtzoff 1958-5-10 3637 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  UCR249076  Carex bolanderi Peter Rubtzoff 1954-8-2 1621 Sonoma Duncan Mills Marsh, upper portion of marsh 2 Comment
  JEPS116508  Carex californica Peter Warner 2009-6-9 107 Sonoma Salt Point State Park, main trail to pygmy forest from Woodside Campground, approx. 1.3 mi E of Hwy 1, approx. 0.25 mi ESE of water tanks, along trail edge 200 Comment
  CAS-BOT-BC20486  Carex densa Peter Rubtzoff 1951-7-7 369 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh. Comment
  CAS-BOT-BC20487  Carex densa Peter Rubtzoff 1952-5-31 1106 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  UCR208522  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Guerneville Marsh Comment
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Feb 21 2013
  CAS-BOT-BC20505  Carex densa Peter Rubtzoff 1958-5-3 3622 Sonoma Sonoma County Marshes. Atascadero Creek Marsh. Comment
  CAS-BOT-BC329291  Carex exsiccata Peter Rubtzoff 1954-7-4 1535 Sonoma Duncans Mills Marsh, upper portion of the marsh. Comment
  CAS-BOT-BC20447  Carex globosa Roxana S. Ferris; Laura Lorraine 1961-6-15 13556 Sonoma Green Valley Road 0.8 mile E of junction with Harrison Grade Road. Comment
  CAS-BOT-BC20449  Carex globosa John Thomas Howell 1945-5-30 20913 Sonoma Vine Hill School. Comment
  SD72053  Carex globosa John Thomas Howell 1955-6-2 30258 A Sonoma Near Vine Hill School. Comment
  CAS-BOT-BC28366  Carex gracilior Peter Rubtzoff 1954-7-5 1543 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC28332  Carex gracilior Henry Nicholas Bolander 1864-4-1 3822 a Sonoma Meadow at Cloverdale. Comment
  UCD112361  Carex gracilior Peter Rubtzoff 1955-4-30 1794 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC146597  Carex gynodynama John Thomas Howell 1947-6-5 23231 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC422372  Carex gynodynama Peter Rubtzoff 1962-5-11 4829 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC21900  Carex harfordii Lewis S. Rose 1962-6-1 62065 Sonoma 1 mile NW of Freestone. 76 Comment
  CAS-BOT-BC21904  Carex harfordii Peter Rubtzoff 1960-5-16 4355 Sonoma Duncan Mills Marsh. In upper portion of the marsh. Comment
  CAS-BOT-BC320572  Carex harfordii Peter Rubtzoff 1964-5-20 5320 Sonoma Bodega Bay Marsh. Comment
  UC1133465  Carex harfordii H. S. Yates 1936-5-16 5622 Sonoma near Green Valley School; Sebastopol Quadrangle Comment
  UCR248920  Carex harfordii Peter Rubtzoff 1962-6-1 4867 Sonoma Freestone Marsh 79 Comment
  CAS-BOT-BC32523  Carex lemmonii John Thomas Howell; John William Stacey 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  UC1026419  Carex lemmonii Peter Rubtzoff 1951-7-8 403 Sonoma near Forestville (Pitkin Marsh, lower part of the upper marsh) Comment
  RSA94271  Carex lemmonii Peter Rubtzoff 1951-6-30 297 Sonoma Pitkin Marsh, near Forestville; western branch of the Upper Marsh Comment
  UCD140481  Carex leporina Peter Rubtzoff 1958-5-10 3638 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC350938  Carex leptopoda Peter Rubtzoff 1960-6-7 4459 Sonoma Austin Creek Marsh. Comment
  SBBG32422  Carex leptopoda L. S. Rose 1964-6-3 64051 Sonoma N end of Bodega Bay 1 Comment
  CAS-BOT-BC119731  Carex nebrascensis John Thomas Howell 1945-8-14 21411 Sonoma Perry Marsh. Comment
  CAS-BOT-BC119580  Carex nudata John Thomas Howell 1933-4-2 10931 Sonoma Sonoma Creek Canyon Comment
  CDA12282  Carex nudata G. F. Hrusa 1988-2-21 5500 Sonoma North Coast Biodiversity Arena; Sugarloaf Ridge State Park. Upper end of main valley. Comment
  RSA0022349  Carex pachystachya Peter Rubtzoff 1974-6-2 7504 Sonoma Upper Green Valley Marsh. Comment
  UCR248723  Carex pellita Peter Rubtzoff 1962-5-11 4820 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  UC904999  Carex praegracilis John Thomas Howell 1947-6-26 23295 Sonoma Cunningham Marsh Comment
  UC70608  Carex serratodens Bioletti June, 1893 Sonoma Los Guilocos Valley Comment
  UC1133459  Carex stipata var. stipata H. S. Yates 1936-5-16 5604 Sonoma 2 mi se Forestville (Pitkin Marsh); Sebastopol Quadrangle Comment
  UCR248923  Carex subbracteata Peter Rubtzoff 1962-6-1 4868 Sonoma Freestone Marsh 79 Comment
  CAS-BOT-BC116784  Carex subbracteata var. subbracteata Peter Rubtzoff 1960-6-7 4446 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC115827  Carex subfusca Bolander 3867 Sonoma Russian River Comment
  CAS-BOT-BC329285  Carex tumulicola Peter Rubtzoff 1957-5-26 3368 Sonoma Duncans Mills Marsh. Comment
  RSA234562  Carthamus lanatus Peter Rubtzoff 1960-7-5 6110 Sonoma Ca. 6 mo. northeast of Penngrove, on Lichan Road Comment
  SEINET13331041 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
  CAS-BOT-BC257350  Castilleja Peter Rubtzoff; Nancy Harrison 1978-5-20 9189 Sonoma Cunningham Marsh area, north side of Blucher Creek Valley. Comment
  CAS-BOT-BC249236  Castilleja affinis Milo S. Baker 1924-4-27 102 Local-'24 Sonoma Road to Coopers Grove Comment
  JEPS74987  Castilleja ambigua subsp. ambigua T. I. and F. M. Chuang 1975-7-5 7518 Sonoma s side Pitkin Marsh Comment
  JEPS128283  Castilleja applegatei subsp. martinii Roger Raiche 2005-4-22 011 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS19556  Castilleja applegatei subsp. martinii Rimo Bacigalupi with G. T. Robbins and Freed Hoffman 1956-5-30 5667 Sonoma vicinity The Cedars (near Layton Chromite Mine, headwaters of Big Austin Creek); Big Austin Creek 266 Comment
  UC1238988  Castilleja applegatei subsp. martinii Freed W. Hoffman 1947-5-30 515 Sonoma Layton Mine North Coast Ranges, Austin Creek (Austin Creek) Comment
  OBI59413  Castilleja applegatei subsp. martinii Rimo Bacigalupi, G. T. Robbins, and Freed W. Hoffman 1956-5-30 5667 Sonoma Headwaters of Big Austin Crk, vicinity of "the Cedars" near Layton chromite mine Comment
  JEPS11921  Castilleja attenuata Francis W. Pennell 1940-7-3 26042 Sonoma ne of Kenwood; Hoods Peak 731 Comment
  LA209417  Castilleja campestris M. S. Baker; May 1935 8043 Sonoma ditch along R.R. track, SW of Wright School Comment
  JEPS19380  Castilleja campestris subsp. campestris G. Thomas Robbins 1937-5-23 183 Sonoma between Santa Rosa and Sebastopol (along roadside near Wright School) Comment
  UC535060  Castilleja densiflora subsp. densiflora H. E. and S. T. Parks 1930-5-7 632 Sonoma n end Knight's Valley 106 Comment
  CAS-BOT-BC243851  Castilleja latifolia Ella Dales Cantelow 1938-5-7 2412 Sonoma 5 mi. N of Bodega Comment
  JEPS16300  Castilleja minor subsp. spiralis Milo S. Baker 1926-9-26 198 Sonoma Hood Mt. 609 Comment
  SEINET236310 Image available Castilleja rubicundula Richard J. Shaw 1963-6-10 1297 Sonoma Highway 1 across the street from Arch Rock Beach. Comment
  UC336301  Castilleja rubicundula subsp. lithospermoides unknown 579 Sonoma Sonoma Valley Comment
  JEPS35570  Castilleja subinclusa subsp. franciscana L. R. Heckard 1964-6-12 1384 Sonoma about 2.5 mi n mouth of Russian River (slope back from the ocean in Russian Gulch, near point where highway loops back w); Russian Gulch 91 Comment
  JEPS33889  Castilleja wightii Lloy Thurman and Ted Crovello 1964-4-12 Sonoma about 5 mi s Jenner (along the coast (Highway 1)) Comment
  CAS-BOT-BC39437  Caulanthus lasiophyllus Greg de Nevers 1993-4-27 10408 Sonoma Pepperwood Ranch Natural Reserve. 3450 Franz Valley Road. Along Mark West Springs Road. 457 Comment
  CAS-BOT-BC366948  Caulanthus lasiophyllus Greg de Nevers 1997-4-16 10945 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  CAS-BOT-BC47803  Ceanothus John Thomas Howell 1935-5-5 12619 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC48509  Ceanothus confusus Milo S. Baker 1939-3-20 9244 Sonoma ca. 4 mi. north of Santa Rosa on road past County Hospital Comment
  JEPS83712  Ceanothus confusus R. Raiche 1988-3-28 80020 Sonoma e Guerneville (e end of Gilder Ridge and just w of Wohler Bridge); Mt. Jackson area Comment
  JEPS85897  Ceanothus confusus Jack and Betty Guggolz 1991-5-4 Sonoma found at several locations along the fire-break up the S side of Bradford Mountain, about a mile W of the Dry Creek Road 323 Comment
  UC18316  Ceanothus confusus F. T. Bioletti 1892-1 Sonoma Comment
  UC728663  Ceanothus confusus Milo S. Baker 1939-3-20 9244 Sonoma about 4 mi N of Santa Rosa (top of hill on road past County Hospital, near type locality) Comment
  CAS-BOT-BC49152  Ceanothus cuneatus John Thomas Howell 1934-3-26 11794 Sonoma Knight's Valley Comment
  CDA12819  Ceanothus cuneatus G. F. Hrusa, R. Gross 1996-3-8 12653 Sonoma North Coast Biodiversity Arena; Immediately NW of Chalk Hill. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  UC1299546  Ceanothus cuneatus var. cuneatus Freed W. Hoffman 1947-5-30 520 Sonoma Layton Mine, Auston Creek North Coast Ranges Comment
  UC1070625  Ceanothus foliosus H. S. Yates 1934-4-21 3827 Sonoma 2 mi n County Farm; Santa Rosa quad. 243 Comment
  SEINET13945878 Image available Ceanothus foliosus A. A. Heller, H. E. Brown 1902-1 5619 Sonoma Mt. Hood Comment
  SEINET13945888 Image available Ceanothus foliosus G. Thomas Robbins 1938-1 257 Sonoma Along road to Occidental W of Green Valley Comment
  CAS-BOT-BC49901  Ceanothus foliosus var. foliosus Greg de Nevers; Frank Almeda 1987-4-11 8132 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  UC1084442  Ceanothus foliosus var. vineatus G. Thomas Robbins 1940-3-22 302 Sonoma ca. 8.5 mi. w. Santa Rosa (along Guerneville rd., Vine Hill region); Vine Hill region Comment
  CAS-BOT-BC49996  Ceanothus gloriosus Milo S. Baker 1935-4-1 8027 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50015  Ceanothus gloriosus John Thomas Howell 1937-4-11 12903 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  LA43584  Ceanothus gloriosus var. exaltatus Henry Reents; 1936-5-2 sn Sonoma 0.5 mi. past slough, on rd. to Rio Nido Comment
  CAS-BOT-BC49975  Ceanothus gloriosus var. gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S. of Stewart's Point Comment
  RSA300955  Ceanothus griseus D. C. Michener 1982-7-26 4123 Sonoma Gualala Point county Park Comment
  UCD151304  Ceanothus integerrimus James A. Neilson Jr. 1974-7-31 3030 Sonoma Mayacmas Mountains. Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  CAS-BOT-BC50955  Ceanothus integerrimus Maxine Wilkes 1933-6-1 s.n. Sonoma Mts near Cloverdale Comment
  CAS-BOT-BC50645  Ceanothus jepsonii James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge sout of the Geysers Comment
  CAS-BOT-BC51113  Ceanothus jepsonii Catherine Best 1986-4-1 1170 Sonoma on Stoetz Lane about 2 mi. Northeaset of Occidental Comment
  POM203618  Ceanothus jepsonii J. T. Howell 1933-4-2 10959 Sonoma 2 miles east of Occidental Comment
  UC870590  Ceanothus jepsonii Alice Eastwood and John Thomas Howell 1939-4-2 7377 Sonoma near Camp Meeker (on rd to Monte Rio) Comment
  UCD123963  Ceanothus jepsonii D. O. Burge and K. B. Schroeder 2008-3-7 979 c Sonoma Ridge NW of Duvoul Creek, near confluence with Dutch Bill Creek, roadside on Bohemian Highway, between Camp Meeker and Monte Rio, 7.6 road miles (12.2 km) north of intersection with SR 12, near BM 136, 2.97 km 320 deg. (True) NNW of Camp Meeker. 50 Comment
  CAS-BOT-BC126848  Ceanothus parryi D. E. Breedlove 1980-6-28 44798 Sonoma Pepperwood Ranch W of Knights Valley Comment
  JEPS86811  Ceanothus parryi Jack and Betty Guggolz 1991-5-4 1121 Sonoma firebreak on the S side of Bradford Mountain one mi W of Dry Creek Road 341 Comment
  POM161075  Ceanothus parryi R. C. Bacigalupi 1926-5-2 1396 Sonoma Cazadero. Comment
  CAS-BOT-BC51875  Ceanothus parryi G. DeNevers 1982-2-20 1890 A Sonoma In the canyon behind (W of) Phillips Garden Comment
  SEINET12211281  Ceanothus ramulosus W. Knight, Schmidt, C. 6056 Sonoma Cavedale Road 274 Comment
  CAS-BOT-BC53003  Ceanothus sonomensis John Thomas Howell 1935-5-5 12609 Sonoma Slopes of Triniti Mt., 2 miles e. of Glen Ellen Comment
  UC1070786  Ceanothus sonomensis C. M. Belshaw 1936-3-8 1581 Sonoma 3.4 mi. n. Annadel (n.w. of Kenwood); Santa Rosa Quad. Comment
  UC1281390  Ceanothus sonomensis H. E. McMinn 1938-9-5 5254 Sonoma Mt. Hood Range, road from Warfield to Oaskville Comment
  UCSB25382  Ceanothus sonomensis McMinn, H. 1944-11-5 Sonoma Near old rock quarry about 1-2 miles from Kenwood highway as the Oakville road leads off Comment
  CAS-BOT-BC52394  Ceanothus velutinus Bell Richardson Jackson 1924-8-1 s.n. Sonoma Mt. St. Helena Comment
  UC1281461  Ceanothus velutinus H. E. McMinn 1936-4-4 4379 Sonoma near R. L. Stevenson Monument; Mt. St. Helena Comment
  CAS-BOT-BC52418  Ceanothus velutinus var. velutinus Fred Klein 1969-9-8 s.n. Sonoma Seaview Road 152 Comment
  JEPS15042  Centaurea benedicta unknown 1877-1-1 Sonoma Healdsburg Comment
  CAS-BOT-BC272113  Centaurea cyanus L. H. Huffins 1922-6-1 s.n. Sonoma Petaluma Comment
  CDA7232  Centaurea iberica Bremner 1929-8-5 Sonoma Healdsburg region. 0 Comment
  CDA20572  Centaurea melitensis R. Breckenridge, Vernon 2005-8-2 PDR 1328675 Sonoma North Coast; Hwy 1 near Ft Ross. 0 Comment
  UCD130036  Centaurea melitensis Frederica Bowcutt 1994-6-24 1891 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles E of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/4 way from Bald Mountain Trail to Headwaters Trail. 554 Comment
  CAS-BOT-BC157673  Centromadia Peter Rubtzoff; Nancy Harrison 1977-8-26 9118 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC288809  Centromadia fitchii David D. Keck 1933-11-10 2726 Sonoma 1 mile E of Shellville Comment
  CAS-BOT-BC271542  Centromadia parryi subsp. parryi David D. Keck 1933-11-10 2730 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  CAS-BOT-BC251311  Cerastium Peter Rubtzoff 1959-6-20 4155 Sonoma Willow Creek Marsh. Comment
  UC676724  Cerastium arvense Roxana S. Ferris 1940-3-21 9840 Sonoma ca. 1/2 mi. n. Fort Ross (on State Hwy. #1) Comment
  CAS-BOT-BC400224  Ceratophyllum demersum Greg de Nevers 1996-10-18 10888 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In Biggest Double Pond 487 Comment
  CAS-BOT-BC135418  Cercocarpus betuloides var. betuloides Walter Knight; Irja Knight 1963-12-27 474 Sonoma Pine Flat Road, summit. Comment
  CAS-BOT-BC135422  Cercocarpus betuloides var. betuloides John Thomas Howell 1937-7-4 13074 Sonoma Near Petrified Forest Comment
  UCD113060  Cercocarpus betuloides var. betuloides Frederica Bowcutt 1994-6-25 1908 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. Gray Pine Trail >1/2 mile N of trailhead on Meadow Trail, E of Sonoma Creek. 445 Comment
  UC1278119  Chamaemelum fuscatum B. Crampton 1955-3-14 2319 Sonoma Italian-Swiss Colony Winery, Asti Comment
  HSC41605  Chamaemelum fuscatum J. P. Smith 1977-3-26 9014 Sonoma Dutcher Creek Rd., 0.7 mi. from its jct. with U.S. 101 Comment
  CAS-BOT-BC184930  Chasmanthium latifolium G. DeNevers 1981-7-1 1732 Sonoma Pepperwood Ranch. In the Pippindale Garden. Comment
  UCD137339  Cheilanthes intertexta Frederica Bowcutt 1994-6-24 1897 b Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/2 way from Bald Mountain Trail to Headwaters Trail. 566 Comment
  UCR45078  Chenopodium botrys L. F. LaPre 1986-7-29 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  RSA523583  Chenopodium 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-BC499262  Chlorogalum pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian River Comment
  UCD163102  Chlorogalum pomeridianum var. minus Robert E. Preston 2014-5-17 2964 Sonoma 4.5 mi NNW of Cazadero. 190 Comment
  OBI11171  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-8-6 62077 Sonoma Bodega Point 30 Comment
  UCD110110  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  RSA791553  Cichorium intybus Peter Rubtzoff 1954-7-28 1599 Sonoma Marshes: Guerneville Marsh. Comment
  UCR249331  Cirsium Peter Rubtzoff 1962-6-13 4899 Sonoma Freestone Marsh 79 Comment
  CAS-BOT-BC290570  Cirsium Peter Rubtzoff 1964-5-20 5313 Sonoma Brooks Gulch Marsh. Comment
  UCD130612  Cirsium douglasii var. douglasii Mary M. Hektner; Cathy Hendel 1974-7-2 105 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owner's Map. Comment
  CAS-BOT-BC285709  Cirsium occidentale var. occidentale Ella Dales Cantelow 1941-6-7 3555 Sonoma State Hy 1 w. of Bodega Comment
  UC30832  Cirsium occidentale var. venustum F. T. Bioletti 1893-1-1 Sonoma Glen Ellen Comment
  UCD160912  Cirsium occidentale var. venustum James A. Neilson Jr. 1975-7-8 3417 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  CAS-BOT-BC280363  Cirsium occidentale var. venustum Blanche Clear 1938-5-28 s.n. Sonoma Hillside between Geyserville & Alexander Valley Comment
  UCD130426  Cirsium occidentale var. venustum Frederica Bowcutt 1994-6-25 1906 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 0.25 miles N of Vista Trailhead along Gray Pine Trail. Comment
  JEPS59300  Cirsium quercetorum W. L. Jepson 1931-7-19 15951 Sonoma just n of Salmon Creek mouth (coast); Salmon Creek Comment
  CAS-BOT-BC285749  Cirsium remotifolium John Thomas Howell 1936-7-26 12664 Sonoma 2 1/2 miles from Camp Meeker on road to Monte Rio Comment
  CAS-BOT-BC285754  Cirsium remotifolium Marcus E. Jones 1882-7-18 3385 Sonoma Duncan's Mills Comment
  CAS-BOT-BC285802  Cirsium vulgare Walter Knight; Irja Knight 1963-8-26 183 Sonoma Hendren Ranch - Two Rocks Comment
  CAS-BOT-BC285895  Cirsium vulgare Peter Rubtzoff 1951-8-4 568 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC162608  Clarkia John H. Thomas 1955-5-22 5182 Sonoma Along St. Helena Road and West Creek, 1.2 miles west of Sonoma-Napa County line, about 6 miles from St. Helena 457 Comment
  CAS-BOT-BC162556  Clarkia affinis Alva Day 1982-6-1 82 65 B Sonoma Pepperwood Ranch Comment
  UC107827  Clarkia amoena subsp. amoena Katharine Brandegee 1905-6-26 Sonoma Bodega Bay Comment
  CAS-BOT-BC161056  Clarkia amoena subsp. amoena Peter Rubtzoff 1962-7-14 s.n. Sonoma 4 mi. west of Petaluma Comment
  JEPS82306  Clarkia amoena subsp. huntiana Roger Raiche 1983-7-5 30483 Sonoma ne of Plantation (Tin Barn Road, 3.5 mi n of King Ridge Road) Comment
  UC1072039  Clarkia amoena subsp. huntiana H. and M. Lewis 1947-6-15 434 Sonoma 3.7 mi s Fort Ross Historical Monument (Highway 1) Comment
  RSA108390  Clarkia amoena subsp. huntiana Harlan Lewis, M. Lewis 1951-7-10 870 Sonoma 0.1 mile west of Mark West Spring Comment
  CAS-BOT-BC172207  Clarkia concinna Rimo Bacigalupi 1926-5-2 1397 Sonoma Cazadero Comment
  CAS-BOT-BC172212  Clarkia concinna Roxana S. Ferris; Laura Lorraine 1961-6-15 13550 Sonoma Green Valley Road, 0.8 mi. E of junction with Harrison Grade Road Comment
  JEPS25145  Clarkia gracilis subsp. sonomensis G. Thomas Robbins 1959-5-16 4015 Sonoma Spring Mt. Road Mayacamas Mt. (between Calistoga Road and Sonoma-Napa County line) 487 Comment
  CAS-BOT-BC163153  Clarkia imbricata Peter H. Raven; Richard Snow 1958-7-23 13691 Sonoma At 4551 Vine Hill Road near Pitkin Marsh Comment
  SD51807  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
  UC20329  Clarkia purpurea subsp. quadrivulnera Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UC930737  Clarkia purpurea subsp. quadrivulnera Alice Eastwood, John Thomas Howell 1939-6-11 7415 Sonoma near Triniti P.O.; Hood Mt. Range Comment
  JEPS43596  Clarkia unguiculata E. Ferguson 1919-6-11 228 Sonoma near Guerneville Comment
  UC75680  Clarkia unguiculata Milo S. Baker 1898-6-11 594 Sonoma Cemetery Santa Rosa Comment
  UCD55329  Clarkia unguiculata Ellen Dean 2006-6-28 3172 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  CAS-BOT-BC165674  Clarkia unguiculata Freed W. Hoffman 1947-6-4 509 Sonoma Upper reaches of East Austin Creek, Rocky Mountain Comment
  CDA12822  Claytonia exigua subsp. glauca G. F. Hrusa, R. Gross 1996-3-8 12654 A Sonoma North Coast Biodiversity Arena; Between Foote Creek and Briggs Creek on Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  CAS-BOT-BC439415  Claytonia gypsophiloides Alice Griffin 1922-4-1 s.n. Sonoma El Verano Comment
  SJSU9881  Claytonia gypsophiloides G. J. Woodside 1969-4-29 Sonoma Dutton Bill Creek 4 mi above Camp Meeker at St Dorothy's Rest Comment
  UC1299361  Claytonia gypsophiloides Freed W. Hoffman 1947-3-5 811 Sonoma near Guerneville (Gilliam Creek); North Coast Ranges, Gilliam Creek Comment
  UC7857  Claytonia gypsophiloides Alice King Apr 1897 Sonoma Healdsburg Comment
  HSC49616  Claytonia gypsophiloides R. York 1979-4-8 202 Sonoma Along Hwy. 128, 2 mi. N of Calistoga 305 Comment
  UC480640  Claytonia gypsophiloides Carl Meyer 1929-3-29 Sonoma Comment
  CAS-BOT-BC439635  Claytonia parviflora subsp. parviflora Peter Rubtzoff 1953-5-17 1390 Sonoma South of Guerneville (Neeley Hill area). Comment
  UCD160143  Claytonia rubra subsp. depressa James A. Neilson Jr. 1974-4-4 3168 Sonoma Mayacmas Mountains, upper Squaw Creek. (Elevation estimated using Google Earth by label maker.) 975 Comment
  CAS-BOT-BC91527  Clematis lasiantha Stewart Wade 1927-4-1 s.n. Sonoma Healdsburg. Comment
  CAS-BOT-BC91529  Clematis lasiantha Greg de Nevers 1993-8-14 10489 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Devil's Kitchen. 457 Comment
  SEINET12092983  Clematis lasiantha I. Knight, Knight, W.; Edwards, S. Dr 1986-1 5346 Sonoma Along trail to summit of Geyser Peak, access from Healdsburg-Geysers Rd 853 Comment
  SEINET12050384  Clintonia andrewsiana F. H. Utech 1988-1 88 -202 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  CAS-BOT-BC366865  Collinsia heterophylla Greg de Nevers 1998-4-21 11157 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Below Jim & Donna's house 400 Comment
  UCD151166  Collinsia sparsiflora var. sparsiflora James A. Neilson Jr. 1974-3-27 3016 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  JEPS128321  Collinsia tinctoria Roger Raiche 2000-6-6 132 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCSB31777  Collinsia tinctoria Townsend, J. 1977-5-30 Sonoma East side Russian river; about 2 miles south of Guerneville 335 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
  RSA79067  Collomia heterophylla E. K. Balls, Lee W. Lenz 1952-5-8 17114 Sonoma 0.4 mi s. of Franz Valley Road along road from Mark West Springs to Kellogg 107 Comment
  UCD127332  Conium maculatum Terri Williamson 1990-5-20 66 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  RSA0051273  Convolvulus Greg de Nevers 1993-5-9 10440 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Just above the Pippindale-Pepperwood gate. 100 Comment
  CAS-BOT-BC371465  Cordylanthus Greg de Nevers 1989-11-2 9118 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Top of Telegraph Hill. 400 Comment
  SJSU5741  Cordylanthus pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge E of Santa Rosa 91 Comment
  UCR256118  Cordylanthus pilosus subsp. pilosus Greg de Nevers 1990-7-24 9678 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 220 Comment
  JEPS33010  Cordylanthus tenuis subsp. brunneus Freed W. Hoffman 1947-8-4 1421 Sonoma Mt. St. Helena North Coast Ranges 609 Comment
  JEPS6807  Cordylanthus tenuis subsp. capillaris R. F. Hoover 1941-6-7 5307 Sonoma 2 mi se Monte Rio Comment
  RSA537704  Cordylanthus tenuis subsp. capillaris T. I. Chuang 1970-7-25 6834 Sonoma Stoetz Road, west of Harrison Grade, 2.7 miles east of Occidental Comment
  UCR78363  Cordylanthus tenuis subsp. capillaris T. I. Chuang, F. M. Chuang 1970-8-25 6845 Sonoma 2.7 mi east of Occidental 138 Comment
  RSA0057952  Cornus Greg de Nevers 1998-5-25 11266 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC212292  Cornus glabrata Walter Knight; Irja Knight 1964-8-23 681 Sonoma corner Calistoga and Porter Creek Roads Comment
  RSA295092  Cornus glabrata Robert A. Norris, John L. Inase, Allen Nakagawa, B. Norris 1981-6-27 4206 Sonoma Trenton Rd., just S of and Paralleling River Rd. (near N part of Laguna de Santa Rosa), approx. halfway between Guerneville and Santa Rosa. Below 50ft. 15 Comment
  CAS-BOT-BC210431  Cornus sericea G. DeNevers 1981-5-2 907 Sonoma Pepperwood Ranch. Confluence of Leslie Creek and Mark West Creek Comment
  UCD59797  Cortaderia jubata Beecher Crampton 1981-11-8 9806 Sonoma Northwest of Jenner. Comment
  UC480599  Corylus californica Carl Meyer 1928-3-4 325 Sonoma Sonoma County Comment
  CAS-BOT-BC173671  Cotula coronopifolia Peter Rubtzoff 1959-6-6 4101 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC290303  Cotula coronopifolia Peter Rubtzoff 1954-8-9 1666 Sonoma Bodega Head Marsh. Comment
  RSA790515  Cotula coronopifolia Peter Rubtzoff 1970-10-29 6419 Sonoma Dune pond near U.C. Bodega Marine Laboratory. 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-BC427654  Crassula aquatica Peter Rubtzoff 1963-6-18 5177 Sonoma Bennett Mountain Lake. Comment
  SD207279  Crassula hystrix Reid Moran 1989-5-21 31025 Sonoma Lone Pine Gardens, Sebastopol. Comment
  SBBG50614  Crataegus douglasii D. Ryerson 1969-5-3 42 Sonoma W side of Jonive Rd, 0.5 mi N of jct with Bodega Hwy, ca. 1.5 mi NE of Freestone Comment
  CDA25820  Crataegus douglasii R. Key 1971-7-2 Sonoma W. W. Winkler property, Green Valley School Road, Sebastopol. 0 Comment
  CAS-BOT-BC143503  Crataegus gaylussacia Peter Rubtzoff 1958-8-16 3885 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  NY435881  Crataegus gaylussacia A. A. Heller 1902-8-20 6052 Sonoma Lagoon at Scbastopol. Comment
  UC963911  Cressa truxillensis Milo S. Baker 1946-10 11710 Sonoma less than 1 mi. n. of junction of Sears Point Cutoff and Black Point Hwy. (near Bay marsh) Comment
  HSC7976  Croton setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 mi. NE of Penngrove 427 Comment
  UC1561762  Crupina vulgaris Liam Davis 1990-5-17 9078 -3 Sonoma about 200 m s Lake Llsanjo (along e side of Canyon Trail); Annadel State Park 243 Comment
  CAS-BOT-BC190108  Crypsis schoenoides Peter Rubtzoff 1971-9-30 6707 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC190147  Crypsis schoenoides Peter Rubtzoff 1963-9-21 5269 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC190148  Crypsis schoenoides Peter Rubtzoff 1958-9-27 4008 Sonoma Laguna de Santa Rosa northeast of Graton (0.5 mile north of Guerneville Road). Comment
  SEINET11739328  Cupressus macnabiana W. Knight, Knight, I.; Howell, J. T. 1984-1 5077 Sonoma above Hooker Canyon on Cavedale Road 640 Comment
  CAS-BOT-BC85466  Cupressus sargentii David Daniels Keck 1933-11-6 2651 Sonoma 4 mi. N. of Occidental Comment
  UCD158872  Cupressus sargentii James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2905 Sonoma Mayacmas Mountains; northwest corner of Section 15, The Geysers. (Elevation estimated by label maker using Google Earth.) 609 Comment
  CHSC107540  Cuscuta californica var. breviflora D. G. Kelch; Troy McGregor 2010-8-22 10 .354 Sonoma Nr Peak of Geyser Peak Rd. Comment
  UCD164703  Cuscuta howelliana Peter Rubtzoff; Nancy Harrison 1976-6-18 8648 Sonoma False Lake Meadow area, Annadel State Park. Comment
  SEINET12330328  Cuscuta salina W. Knight, Knight, I. 1985-1 5177 Sonoma Lower Tubbs Island about 1/4 mile from San Pablo Bay 0 Comment
  CAS-BOT-BC190301  Cynodon dactylon Peter Rubtzoff 1955-7-24 1983 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC190350  Cynodon dactylon Peter Rubtzoff 1956-9-14 2859 Sonoma Vacation Beach, near Guerneville. On Russian River bottom. Comment
  UCD60103  Cynodon dactylon var. villosus Beecher Crampton 1957-5-16 4042 Sonoma 4-5 miles southwest Healdsburg, Foreman Lane, Frank C. Grace Ranch. Comment
  SEINET9355702  Cynoglossum grande John Nelson, Wnek, R. 2000-3-7 20935 Sonoma Open ground of steep slope, N edgeo f Hwy 116 just W of Fern Grove cabins on W side of Guerneville With Oxalis oregana, Stachys rigida, Nemophila parviflora, Comment
  UC24750  Cynoglossum grande W. A. Setchell 1898-3-15 Sonoma Cloverdale Comment
  CAS-BOT-BC190434  Cynosurus echinatus G. DeNevers 1981-5-11 1121 Sonoma Pepperwood Ranch. By the Garrison Gate. Comment
  UC1146682  Cynosurus echinatus Freed W. Hoffman 1941-6-1 2186 Sonoma Oregon Canyon; North Coast Ranges, Oregon Canyon Comment
  UC576275  Cynosurus echinatus Virginia Bufford May 1936 Sonoma one mi nw Bodega Road; Sebastopol Quad. 60 Comment
  UCD60159  Cynosurus echinatus Gerry North 1993-4 21 Sonoma Flora of Sugarloaf Ridge State Park. About 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood and 18 air miles northwest of Napa. Second pullout on right after park entrance. 0.3 mile from Goodspeed trailhead. 50m south of Pony Gate Gulch Creek crossing. 274 Comment
  UCR248900  Cynosurus echinatus Peter Rubtzoff 1972-5-25 6765 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  UCSC000023  Cynosurus echinatus F. W. Hoffman 1941-6-3 s.n. Sonoma Roadside, near Guerneville Comment
  UCR254742  Cyperus Peter Rubtzoff 1970-9-2 6351 Sonoma Russian River bottom at Mirabel Park 5 Comment
  CAS-BOT-BC114772  Cyperus acuminatus Peter Rubtzoff 1987-10-17 9873 Sonoma Russian River ca. 6 miles E of Guerneville. Comment
  JEPS86770  Cyperus eragrostis Jack and Betty Guggolz 1990-6-18 1068 Sonoma ca. 12 km. e. Healdsburg (Ferrari-Carano Ranch, Maacamas Creek) 70 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-BC114435  Cyperus erythrorhizos Peter Rubtzoff 1958-9-20 3992 Sonoma Laguna de Santa Rosa NE of Graton. 1.5 mi N of Guerneville Road. Comment
  UC688870  Cyperus niger Freed Hoffman 1943-10-26 Sonoma overflow pool of Russian R. Guerneville Comment
  CAS-BOT-BC113901  Cyperus niger var. capitatus Harvey Keith Wagnon 1988-7-23 1782 Sonoma Santa Rosa, Spring Lake Park, just S of Montgomery Dr. Santa Rosa Creek Flood Channel. 73 Comment
  UC845295  Cypripedium montanum Eliz. Parsons Hawver 1915-6-3 Sonoma Skaggs Springs Comment
Read comments
Jan 23 2016
  CAS-BOT-BC70722  Cystopteris fragilis Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UCD105674  Cytisus scoparius Kamala Crompton 1996-5-19 17 Sonoma Roadside 7 miles west of Petaluma. 100 Comment
  CAS-BOT-BC189806  Dactylis glomerata John H. Thomas 1976-6-15 18311 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC445552  Damasonium californicum Peter Rubtzoff 1970-6-6 6255 Sonoma At Marin County line on Tomales-Petaluma Road. Comment
  CAS-BOT-BC192264  Danthonia californica Walter Knight; Irja Knight; J. T. Howell 1987-5-27 6273 Sonoma Todd Road Preserve 24 Comment
  LA11229  Danthonia californica Joseph Andorfer Ewan; 1935-5-13 9259 Sonoma near Wright School on Sebastopol road Comment
  SD180627  Danthonia californica Beecher Crampton 1965-5-13 7339 Sonoma ca. 8.5 miles southeast of Geyserville; south end of Alexander Valley; junction of Calistoga (highway 128) and Chalk Hill Road Comment
  UC717997  Danthonia californica David D. Keck 1944-7-11 5513 Sonoma 1 mi s bridge across mouth of Russian River (1/2 mi from ocean) 22 Comment
  UCD21145  Danthonia californica Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 320 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  UCD60309  Danthonia californica P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified Forest Road. Comment
  UCD60515  Danthonia californica R. Tofsrud 1948-6-24 s.n. Sonoma Arata Ave. just off Hwy. 101, nort of East Windsor. Comment
  UCD60988  Danthonia californica John Thomas Howell 1930-6-8 5217 Sonoma 8 miles W of Petaluma on Bodega Road. Comment
  SEINET9367871  Danthonia californica Unknown 1965-5-13 7339 Sonoma Ca. 8.5 mi SE of Geyserville, S end of Alexander Valley, jct of Callistoga (Hwy 128) and Chalk Hill roads. Comment
  UCD34819  Danthonia californica var. americana Beecher Crampton 1963-5-27 6811 Sonoma Sonoma County, Alexander Valley, state Hwy. 128, ca. 8 miles S.E. of Geyserville. Comment
  CDA41056  Datura stramonium J. C. Violetti 1968-6-16 s.n. Sonoma Mrs. Lucas prop. 652 Brittain Lane, Santa Rosa. 0 Comment
  RSA470792  Daucus pusillus D. D. Keck, J. Clausen 1935-6-15 3372 Sonoma 1 mile north of Salmon Creek Comment
  CAS-BOT-BC293814  Deinandra corymbosa David D. Keck 1933-11-10 2727 Sonoma 1 mi. E. of Shellville Comment
  SD134023  Delairea odorata Greg de Nevers 1986-12-17 8117 Sonoma Pepperwood Ranch Natural [preserve, 3500 Franz Valley Road, Santa Rosa. 99 Comment
  CAS-BOT-BC9604  Delphinium bakeri Milo S. Baker 1946-4-25 11337 Sonoma Coleman Valley, west of Occidental Comment
  RSA31776  Delphinium decorum A. A. Heller 1938-5-14 15089 Sonoma East of Bodega Bay. Comment
  UC914291  Delphinium decorum subsp. decorum Verne Grant and Alva Grant 1947-5-4 7954 Sonoma 1 mi from Bodega Bay (on road to Bodega) Comment
  CAS-BOT-BC10342  Delphinium hesperium Joseph Whipple Congdon 1880-6-1 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC10006  Delphinium hesperium A. T. Graff 1925-5-20 S.N. Sonoma Trosphers, Cazadero Comment
  CAS-BOT-BC10348  Delphinium hesperium H. D. Ripley; R. C. Barneby 1945-6-22 6940 Sonoma North of Jenner Comment
  SDSU10039  Delphinium hesperium D. F. Howe 1963-7-2 3577 Sonoma 4.2 miles north of junction with #12 and #1. 30 Comment
  LA207536  Delphinium luteum Joseph Andorfer Ewan; 1935-5-12 9203 Sonoma 2 mi W of Bodega Bay on Bodega Bay rd Comment
  UC1126021  Delphinium luteum H. S. Yates 1934-4-21 3798 Sonoma near Bodega; Sebastopol Quadrangle Comment
Read comments
Sep 30 2007
  UC725453  Delphinium luteum A. A. Heller 1940-5-17 15634 Sonoma on steep hillside along State Hwy 1 about a mile or so e Bodega Bay Comment
  NY24260  Delphinium luteum A. A. Heller 1940-5-17 15634 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC8008  Delphinium nudicaule William Henry Brewer 1862-4-18 968 Sonoma near Sonoma Comment
  SEINET7075473  Delphinium nudicaule A. G. Vestal 1955-5-7 s.n. Sonoma 4 air-miles north of Occidental and just east of the divide above Oregon Canyon. 38? deg. 27' 56" North Latitude, -122? deg. 56' 33" West Longitude. (NAD 27), UTM Zone 10, 505013mE, 4257264mN. [Coordinate Datum: WGS84/NAD83]. Comment
  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-BC9894  Delphinium nudicaule John Thomas Howell 1931-4-18 6427 Sonoma 8 miles N of Bay 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
  UCD95876  Delphinium nudicaule Botany 102 Students 1993-4-24 94 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail, S of Sonoma Creek. 411 Comment
  JEPS86296  Delphinium patens Jack and Betty Guggolz 1989-5-5 1009 Sonoma Comment
  CAS-BOT-BC17105  Delphinium uliginosum Maxine Wilkes 1933-5-21 s.n. Sonoma Near Mt. St. Helena Comment
  CAS-BOT-BC7773  Delphinium variegatum J. P. Moore s.n. Sonoma Knight Valley Comment
  CAS-BOT-BC83024  Dendromecon rigida Ella Dales Cantelow 1940-4-6 4074 Sonoma Triniti Road west of Boyes Spring. Comment
  SJSU448  Dendromecon rigida H. H. Anderson 1939-5-15 Sonoma Mt St Helena Comment
  UC72732  Dendromecon rigida Milo S. Baker 1899-5-7 Sonoma near Occidental 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-BC182747  Dentaria californica Peter Rubtzoff 1962-4-18 4797 Sonoma Freestone marsh Comment
  RSA785369  Deschampsia cespitosa Peter Rubtzoff 1976-6-5 8591 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UC573728  Deschampsia cespitosa subsp. holciformis H. S. Yates 1937-6-6 6586 Sonoma 5 mi. s. Jenner; Duncan Mills Quad. Comment
  CAS-BOT-BC192614  Deschampsia cespitosa subsp. holciformis David L. Morgan 1956-6-26 s.n. Sonoma Bank above Shell Beach, 1/4 mi. s of Goat Rock, just off State Hiway #1 Comment
  RSA784395  Deschampsia danthonioides Peter Rubtzoff 1969-5-24 6061 Sonoma 7.5 mi NE of Penngrove on Lichau Road. 427 Comment
  RSA785842  Deschampsia danthonioides Peter Rubtzoff 1974-5-26 7494 Sonoma Todd road 1.5 mi from Hwy 116 and 0.5 mi from Llano Road Comment
  UCD84280  Deschampsia danthonioides Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC201957  Deschampsia elongata K. Wagnon 1939-5-14 198 Sonoma Along lane running through lower part of Wagnon Ranch, 5 miles west of Sebastopol Comment
  CAS-BOT-BC201969  Deschampsia elongata Peter Rubtzoff 1962-5-25 4836 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road Comment
  CAS-BOT-BC227656  Deschampsia elongata Peter Rubtzoff 1964-6-24 5373 Sonoma Lower Salmon Creek Marsh. Comment
  RSA784398  Deschampsia elongata Peter Rubtzoff 1962-6-13 4902 Sonoma Freestone Marsh. Comment
  UCD63585  Deschampsia elongata Roxana S. Ferris; Laura Lorraine 1961-6-14 13544 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner. Comment
  UC9934  Dicentra formosa Harley P. Chandler 1900-5-25 669 Sonoma Bodega Comment
  SEINET242405 Image available Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-18 7139 a Sonoma NE Sonoma County, the Geysers, 12 miles (in direct line) E of Cloverdale, ca. 1/2 mile E of Geyser Resort area 494 Comment
  CAS-BOT-BC502218  Dichelostemma capitatum Dorothy Scherer 1996-4-26 038 Sonoma Along Fort Ross road ca 800' west of Seaview Road, Fort Ross State Historic Park 457 Comment
  SEINET12051470  Dichelostemma capitatum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -268 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UCD23377  Dichelostemma capitatum Steven E. Smith 1977-4-15 16 Sonoma Perianth deep purple, 3 linear staminodes. 10.4 miles west of intersection with Dutcher Creek Rd. on Skaggs Springs Rd. Comment
  JEPS128284  Dichelostemma capitatum subsp. capitatum Roger Raiche 2005-4-22 010 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD126369  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma five miles north of Jenner. Comment
  RSA788367  Digitaria Peter Rubtzoff 1971-8-23 6655 Sonoma Meacham Road, 0.35 miles S of Stony Point Road. Comment
  UCD148408  Digitaria sanguinalis Peter Rubtzoff 1958-8-9 3846 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC151971  Diplacus douglasii Milo S. Baker; Miss Griffin 1925-4-9 269 b Sonoma Near Brunner's, Sonoma Mt. Comment
  CAS-BOT-BC151752  Diplacus kelloggii Elmer I. Applegate 1934-3-25 8857 Sonoma Head waters of Sulphur Creek, west slope of Mayamaca Mountains Comment
  CAS-BOT-BC121892  Dirca occidentalis Mary Wells 1997-2-26 1078 Sonoma Growing on Salmon Creek Road about 2 mi NW of Bodega Comment
  UCD116840  Dirca occidentalis G. L. Stebbins Jr.; W. S. Boyle 1942-5-12 3230 Sonoma 2 miles west of Bodega, on Bodega Canyon Road. Comment
  CAS-BOT-BC323167  Distichlis Peter Rubtzoff 1971-8-23 6644 Sonoma Stony Point Road, just south of Highway 116. Comment
  RSA0022416  Distichlis Peter Rubtzoff 1970-7-17 6285 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC196921  Distichlis spicata Walter Knight; Irja Knight 1963-8-13 277 Sonoma Horseshoe Cove Comment
  CHSC97901  Dittrichia graveolens S. Ostrom 2006-9-1 PDR 1328648 Sonoma Windsor; Shiloh Rd. and Business Park Ct. Roadside. 35 Comment
  SD130505  Dodecatheon hendersonii F. Alamda, G. DeNevers 1981-3-30 4895 Sonoma Pepperwood Ranch, streambank in vicinity of the Redwood Canyon Comment
  SD88563  Dodecatheon hendersonii Darley F. Howe 1972-2-20 4804 Sonoma Mt. Hood Range Comment
  CAS-BOT-BC154163  Downingia concolor var. concolor Peter Rubtzoff 1963-6-6 5162 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  JEPS14426  Downingia concolor var. concolor F. T. Bioletti 1891-5-9 Sonoma Sonoma Comment
  JEPS86773  Downingia concolor var. concolor Jack and Betty Guggolz 1990-5-4 1046 Sonoma 1.25 mi w Fulton Road (n side of Piner Road, in the sw corner of a Simi Winery vineyard) 30 Comment
  SD106151  Downingia concolor var. concolor W. L. Jepson 1921-6-3 9313 Sonoma Cotati Valley, at Wilfrid Station. Comment
  JEPS108503  Downingia concolor var. concolor Lisa Schultheis with Tony Morosco 1995-5-31 187 -95 Sonoma NW Santa Rosa. W side of Pinter Rd., near Waltzer Rd. Comment
  RSA47585  Downingia concolor var. concolor L. Beane, Lois E. James 1949-5-16 1948 Sonoma About 3 miles S of Healdsburg Comment
  SEINET6059388  Downingia cuspidata Unknown 1976-6-5 8581 Sonoma False Lake Meadow area. Annadel State Park. Comment
  UCD151171  Draba verna James A. Neilson Jr. 1974-3-27 3020 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  UCSB3686  Drosera rotundifolia Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; northwest of Sebastopol; 1 mile north of Sousa Corners; toward south end of marsh Comment
  LA208035  Drymocallis glandulosa J. A. Ewan; 1935-5-12 9235 Sonoma Mouth of Salmon Creek on Bodega Bay Comment
  UC567049  Drymocallis glandulosa var. wrangelliana H. S. Yates 1934-4-21 3755 Sonoma near Bodega; Sebastopol Quadrangle Comment
  CAS-BOT-BC71017  Dryopteris arguta A. A. Heller 1902-3-18 5095 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  UC1193406  Dryopteris arguta P. Zinke 1950-4-25 115 Sonoma Oat Valley; Quadrangle 61A4 182 Comment
  CAS-BOT-BC71019  Dryopteris arguta A. T. Graff 1926-2-1 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC71026  Dryopteris arguta G. DeNevers 1981-4-25 854 Sonoma Mark West Creek and Leslie Creek confluence Comment
  RSA0021585  Dryopteris arguta M. Bourell, Alva Day, George Lindsey 1982-6-25 1813 Sonoma CAS Pepperwood Ranch. 6 miles east of Santa Rosa. 366 Comment
  CAS-BOT-BC428379  Dudleya farinosa Alice Eastwood 1915-6-5 s.n. Sonoma Calistoga Comment
  UC830922  Dudleya farinosa Marcus E. Jones 1882-7-17 3347 Sonoma Duncan's Mill Comment
  UC1949236  Dysphania botrys Barbara Ertter 1988-11-5 8029 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge Comment
  CAS-BOT-BC176366  Echinochloa crus-galli Peter Rubtzoff 1955-9-10 2139 Sonoma East Guernewood, near Guerneville. Comment
  UCR244503  Echinodorus berteroi Peter Rubtzoff 1970-8-5 6297 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
Read comments
Oct 13 2015
  UCD165969  Ehrendorferia chrysantha James A. Neilson Jr. 1975-7-8 3421 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  UC1026474  Eleocharis acicularis Peter Rubtzoff 1951-7-21 515 Sonoma area between Upper marshes and Lower marshes (near Forestville); Pitkin Marsh Comment
  CAS-BOT-BC113737  Eleocharis acicularis var. gracilescens Peter Rubtzoff 1951-7-14 465 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112982  Eleocharis macrostachya Peter Rubtzoff 1951-7-14 471 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  UCD164682  Eleocharis macrostachya Peter Rubtzoff 1976-5-30 8563 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC112193  Eleocharis radicans Peter Rubtzoff 1951-7-14 418 Sonoma Pitkin Marsh, near Forestville: Northern half of Lower Marsh. Comment
  CAS-BOT-BC112200  Eleocharis radicans Peter Rubtzoff 1965-8-22 5619 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  CAS-BOT-BC249275  Elodea canadensis Peter Rubtzoff 1970-8-19 6336 Sonoma Austin Creek, 0.5 miles north of Cazadero Comment
  SD39854  Elymus X vancouverensis Edith A. Purer 1932-7-21 4049 Sonoma Bodega Bay, sandy bluff Comment
  OBI35896  Elymus elymoides David J. Keil 1983-6-30 17211 Sonoma Stillwater Cove Regional Park Comment
  UCD158822  Elymus glaucus James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2895 Sonoma northwest corner of Section 14, The Geysers. (Elevation estimated by label maker using Google Earth.) 472 Comment
  SEINET11690147  Elymus glaucus J. T. Howell, Knight, W.; Knight, I. 1987-1 6229 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC203710  Elymus glaucus subsp. glaucus David L. Morgan 1955-6-28 s.n. Sonoma Two Rock Comment
  JEPS128373  Elymus glaucus subsp. glaucus Roger Raiche 2000-5-4 062 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1023607  Elymus glaucus subsp. virescens Virginia Bufford 1936-5-1 172 Sonoma Larkspur Rock Bodega Canyon Comment
  UC1146607  Elymus glaucus subsp. virescens Freed W. Hoffman 1943-5-19 2199 Sonoma Russian Gulch North Coast Ranges, Sonoma Coast (cliffs) Comment
  CAS-BOT-BC235230  Elymus multisetus G. DeNevers 1981-7-1 1723 Sonoma Pepperwood Ranch. On the slope W of the Goat Pen in the Garrison Canyon Comment
  UC1011038  Elymus multisetus Virginia Bufford 1936-5-20 317 Sonoma Mark West Road; Napa-Sonoma Co. line Comment
  CAS-BOT-BC368082  Epilobium Greg de Nevers 1998-4-28 11208 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge Comment
  RSA609960  Epilobium canum R. S. Woglum 1937-7-17 831 Sonoma Outer Coast Ranges: North of Point Reyes National Seashore, south of the Russian River, Salmon Creek. Comment
  UC1042506  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1951-8-4 586 Sonoma opening s Upper Marsh (near Forestville); Pitkin Marsh Comment
  UC20057  Epilobium ciliatum subsp. ciliatum J. Burtt Davy Aug., 1896 4136 Sonoma Russian River Comment
  RSA800033  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1524 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  RSA94291  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1951-7-14 436 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  RSA94339  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1951-7-1 345 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC262950  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-8-10 1681 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC262965  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-7-29 1608 Sonoma Guerneville Marsh. Comment
  RSA800030  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1955-8-20 2088 Sonoma Bodega Harbor Marsh. Comment
  UC1122559  Epilobium ciliatum subsp. watsonii H. S. Yates 1934-4-21 3791 Sonoma near Bodega; Sebastopol Quadrangle Comment
  JEPS38199  Epilobium densiflorum W. L. Jepson 1921-9-8 9431 Sonoma ne Healdsburg (s side of valley); Alexander Valley, Lytton School Comment
  UC909712  Epilobium densiflorum Milo S. Baker July 1950 12305 Sonoma along old r.r. right-of-way about 1 1/2 mi nw Kenwood (along Lawndale Rd) Comment
  UC762773  Epilobium minutum R. F. Hoover 1939-4-18 4040 Sonoma Occidental Comment
  UCD167453  Epipactis gigantea James Neilson 1983-6-13 4100 Sonoma near headwaters of East Austin Creek. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC173542  Equisetum Peter Rubtzoff 1973-8-21 7253 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD165107  Equisetum Peter Rubtzoff 1973-9-8 7302 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. 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-BC57127  Equisetum X ferrissii Mary P. Wells 1984-7-20 389 Sonoma East bank South Fork Gualala River, opp. the Hot Spot, the Sea Ranch Comment
  CAS-BOT-BC57129  Equisetum X ferrissii Peter Rubtzoff 1951-6-10 191 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC57041  Equisetum arvense Peter Rubtzoff 1952-5-10 1023 Sonoma Eastern branch of the Upper Marsh Comment
  UCR244750  Equisetum hyemale subsp. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh Comment
  UCD148428  Equisetum laevigatum Peter Rubtzoff 1961-8-26 4725 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC57645  Equisetum telmateia Peter Rubtzoff 1955-4-9 1769 Sonoma Forestville Marsh Comment
  CAS-BOT-BC57652  Equisetum telmateia D. M. Porter; S. H. Porter 1967-3-25 1547 Sonoma alongside Highway 1, 2 miles south of Stewarts Point Comment
  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
  UCD135711  Equisetum telmateia subsp. braunii Mary M. Hektner 1976-12-15 281 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA216125  Equisetum telmateia var. braunii Peter Rubtzoff 1954-6-6 1468 Sonoma Guerneville Marsh. Comment
  UCR131632  Eragrostis diffusa Beecher Crampton 1953-11-18 1736 Sonoma Knights Valley, 10 miles northwest of Calistoga, along State Highway 128 290 Comment
  UC53415  Eragrostis hypnoides Jos. Burtt Davy July 1896 Sonoma Russian River Comment
  CAS-BOT-BC204642  Eragrostis mexicana subsp. virescens David L. Morgan 1960-6-22 s.n. Sonoma Watkins Ranch, 1/2 mi. NW of Penngrove on Redwood Highway Comment
  HSC9783  Eragrostis mexicana subsp. virescens C. S. Chavez 1965-6-10 86 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  UCD63537  Eragrostis mexicana subsp. virescens Freed W. Hoffman 1943-9-14 2166 Sonoma Near Guerneville. Comment
  CAS-BOT-BC284187  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1956-9-14 2864 Sonoma Vacation Beach near Guerneville, Russian River Comment
  CAS-BOT-BC284194  Eragrostis pectinacea var. pectinacea John Thomas Howell 1957-9-26 32980 Sonoma Russian River bottom near Guerneville Comment
  UC17604  Eremocarpus setiger H. N. Bolander 1860-9-18 440 Sonoma Cloverdale Comment
  JEPS86762  Ericameria arborescens Jack and Betty Guggolz 1990-9-25 1096 Sonoma 1.5 mi se Warm Springs Dam (1/8 mi ne of the dam of the large reservoir on Harry Merlo's property) 198 Comment
  SD40110  Ericameria ericoides subsp. ericoides Edith A. Purer 1932-7-19 Sonoma Bodega Bay Comment
  UC31491  Erigeron biolettii J. Burtt Davy 1896-7-22 4147 Sonoma below Guerneville (on rocks); Russian River Comment
  UC909710  Erigeron biolettii Milo S. Baker 1950-8-1 12309 Sonoma near Kenwood (at summit above Coleman's Ranch); Hope Val Comment
  UCD131901  Erigeron foliosus var. hartwegii Ann F. Johnson 1979-7-2 s.n. Sonoma Bodega Dunes State Park. Comment
  UC1557906  Erigeron glaucus J. Semple, S. Heard 1986-8-20 8571 Sonoma CA-1, between Jenner and Bodega Bay (edge of bluffs) Comment
  JEPS86806  Erigeron reductus var. angustatus Jack and Betty Guggolz 1991-6-29 1200 Sonoma approx. one mi NNW of the center of Camp Meeker Camp Meeker Comment
  JEPS116515  Erigeron reductus var. angustatus Peter Warner with R. Raiche, B. Edwards 2009-7-30 108 Sonoma Jenner Headlands, off State Hwy 1 about 1 mi N of Jenner village; E of power lines, W of Jenner Gulch 175 Comment
  UCD132075  Erigeron sumatrensis G. F. Hrusa 1996-3-29 12737 Sonoma area at end of Neeley Road. 2 m. south of Guerneville and 3 m. north of Bohemian Grove on Russian River. 140 Comment
  CAS-BOT-BC300305  Erigeron supplex Mary P. Wells 1984-7-6 357 A Sonoma Site of North Fire Station. The Sea Ranch Comment
  POM225753  Eriogonum latifolium P. A. Munz 1936-8-7 14305 Sonoma 2 miles north of Bodega Comment
  SD22292  Eriogonum latifolium John Thomas Howell 1930-7-27 5415 Sonoma Marine bluff, 4 miles north of Bodega Bay Comment
  UCD100328  Eriogonum latifolium Frederica Bowcutt 1984-6-24 472 Sonoma Sonoma Coast State Beaches. Duncan's Landing. 4 miles S of Jenner and the mouth of Russian River. Approx. 7 miles N of Bodega Head. 12 Comment
  CAS-BOT-BC259471  Eriogonum luteolum John Thomas Howell 1932-9-18 10785 Sonoma Field bordering Sonoma Creek where it enters the level of Sonoma Valley Comment
  CAS-BOT-BC259485  Eriogonum luteolum Gladys L. Smith 1961-9-6 1453 Sonoma Road shoulder near P.G.&E. power house, Geysers 822 Comment
  SEINET5330460  Eriogonum luteolum M. J. Williams, Wayne Roderick 1978-7-16 78- 228 -2 Sonoma Near Occidental Comment
  UCR44934  Eriogonum nervulosum L. F. LaPre 1985-6-7 s.n. Sonoma The Cedars, 6.5 mi NW of Cazadero near Layton, Chromite Mine, upper Austin Creek 413 Comment
  JEPS128253  Eriogonum nudum var. auriculatum Roger Raiche 1999-10-3 045 .99 Sonoma The Cedars. Near Cabin site, above Grotto Pool. Lower Russian River, Big Austin Creek watershed. Comment
  UCD100603  Eriogonum nudum var. nudum K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC261687  Eriogonum nudum var. nudum Mary P. Wells 1985-7-7 544 Sonoma King's Ridge Road, north of Cazadero Comment
  CAS-BOT-BC261694  Eriogonum nudum var. nudum R. F. Hoover 1952-6-1 1132 Sonoma Fitch Mtn. Grove, nr. Healdsburg Comment
  CAS-BOT-BC269749  Eriogonum nudum var. oblongifolium Peter Rubtzoff 1952-6-1 1133 Sonoma Fitch Mtn. Grove, nr. Healdsburg Comment
  SEINET6165148 Image available Eriogonum polypodum Unknown 1983-7-18 s.n. Sonoma 3 mi SW of Occidental Comment
  SEINET11933974  Eriogonum ternatum Unknown 1985-1 50716 Sonoma The Cedars, N of Cazadero, headwaters of Big Austin Creek, near Layton mine site 372 Comment
  SEINET11842952  Eriophyllum lanatum F. H. Utech 1986-1 86 -123 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 250 Comment
  CAS-BOT-BC301158  Eriophyllum lanatum var. achilleoides Peter Rubtzoff 1952-6-1 1131 Sonoma Fitch Mtn. Grove, nr. Healdsburg Comment
  CAS-BOT-BC301276  Eriophyllum lanatum var. arachnoideum Lewis S. Rose 1933-9-3 33354 Sonoma 2 miles w. of Petrified Forest Comment
  CAS-BOT-BC301296  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan's Mills Comment
  CAS-BOT-BC301300  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan's Mills Comment
  UC632733  Eriophyllum lanatum var. arachnoideum H. L. Mason 1934-4-28 8096 Sonoma 4 mi w of Healdssburg (Jenson Ranch, at head of Dohrman Creek); Jensen Ranch Comment
  RSA719882  Eriophyllum staechadifolium Linda E. Watson 1996-5-19 s.n. Sonoma At Bodega Bay, 2 miles N of Salmon Creek, Bodega Bay Population of Clausen, keck, and Heisey studies on ecotypes. Comment
  SD40135  Eriophyllum staechadifolium Edith A. Purer 1932-7-16 4034 Sonoma Bodega Bay Comment
  POM358137  Eriophyllum staechadifolium Christopher Davidson 1977-6-17 5886 Sonoma Coast Hwy 1, ca. 3 miles N of Jenner. Comment
  UCD131633  Eriophyllum staechadifolium Frederica Bowcutt 1984-6-23 432 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. North of Gerstle Cove approx. 1/2 mile. 15 Comment
  UC66139  Erodium botrys A. A. Heller 1902-4-9 5239 Sonoma Healdsburg Comment
  UCD103019  Erodium botrys Frederica Bowcutt 1994-5-1 1796 a 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 NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge Campground. 350 Comment
  CDA32952  Erodium botrys D. Barbe & P. Hiatt 1979-5-1 Sonoma South of Asti; on Asti Road, 0.45 mile south of Washington School Road. 0 Comment
  UCD103117  Erodium brachycarpum Frederica Bowcutt 1994-6-24 1887 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Lower Bald Mountain Trail. 426 Comment
  UCD103255  Erodium moschatum A. A. Heller 1902-3-26 5159 Sonoma Near Santa Rosa. Comment
  UCD150144  Eryngium aristulatum 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
  UC1365624  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1966-4-17 5682 Sonoma e. Graton (between Occidental and Guerneville rds., Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  UC765470  Eryngium aristulatum var. aristulatum R. F. Hoover 1938-6-14 3607 Sonoma 2 mi. s.e. Healdsburg Comment
  UCR224675  Eryngium aristulatum var. aristulatum Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  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
  RSA93411  Eryngium aristulatum var. aristulatum Milo S. Baker 1954-8-12 13036 Sonoma Coney Lake Kenwood on Coney Ranch Comment
  JEPS17460  Eryngium armatum W. L. Jepson 1931-7-19 15946 Sonoma sea bluffs Salmon Creek Comment
  SDSU2266  Eryngium armatum D. F. Howe 1963-7-3 3584 Sonoma 20 miles north of junction with #12 on #1. Comment
  UC1784137  Eryngium armatum Ethel Crum 1930-1 736 Sonoma Petaluma Comment
  UC20997  Eryngium armatum J. W. Congdon July 1888 Sonoma Petaluma Comment
  POM287755  Eryngium armatum Lyman Benson 1930-6-18 2166 Sonoma South of Santa Rosa. 61 Comment
  UCD126741  Eryngium constancei G. F. Hrusa; R. Gross 1996-6-30 13057 Sonoma North Coast Biodiversity Arena; On the summit of Mayacmas Range at west end of Diamond Mtn. Rd.; 2 m. SW of Calistoga. 700 Comment
  CAS-BOT-BC502684  Erythronium californicum Miss McCracken 1901-4-1 s. n. Sonoma Unspecified Comment
  RSA304233  Erythronium californicum James R. Shevock 1972-3-28 1484 Sonoma Highway 128, north of Cloverdale. 244 Comment
  CAS-BOT-BC133296  Erythronium helenae Elmer I. Applegate 1934-3-25 8855 Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 609 Comment
  CAS-BOT-BC403708  Eschscholzia californica Joanne Taylor 1941-7-13 3 Sonoma Bodega Head 30 Comment
  SBBG2330  Eschscholzia californica H. and M. Dearing 1936-5-14 3372 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UC1084359  Eschscholzia californica G. Thomas Robbins 1937-3-26 21 Sonoma along hwy just w Bodega Comment
  UCD95274  Eschscholzia californica Chris Bowen 1974-5-19 135 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  CAS-BOT-BC202769  Euonymus occidentalis Milo S. Baker 1929-1-2 3382 a Sonoma Mill Creek near Cooper's Ranch Comment
  JEPS22971  Euonymus occidentalis var. occidentalis Harry K. Roberts 1959-5-18 Sonoma n.w. Sebastopol (Louis Giovanni ranch, first canyon s. of ranch house); Green Valley, Louis Giovanni ranch Comment
  CAS-BOT-BC202538  Euphorbia Peter Rubtzoff 1978-8-12 9251 Sonoma Russian River at Del Rio Beach, ca. 2.5 mi. east of Healdsburg on So. Fitch Mtn. Road Comment
  CAS-BOT-BC376389  Euphorbia Greg de Nevers 1993-4-27 10405 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley School Road. 400 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
  JEPS117124  Euphorbia oblongata Peter Warner 2010-5-6 142 Sonoma Annadel State Park, North Burma Trail, ~500 m W of junction with Richardson Trail; along trail and downslope Comment
  UCD142412  Euphorbia oblongata Thomas C. Fuller 1985-5-31 20430 Sonoma East side of Arnold Drive; Hwy 116; just north of culvert no. 45.19; ca. 7 km. south of El Verano. Comment
  HSC7992  Euphorbia peplus S. N. Wiemeyer 1962-1-27 1 Sonoma Santa Rosa, on the S.R. Junior College Campus. Comment
  CAS-BOT-BC310740  Euthamia occidentalis Peter Rubtzoff 1951-9-2 700 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC239718  Fabaceae A. Day 1982-6-1 82 65 B Sonoma Pepperwood Ranch 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-BC278281  Festuca californica G. DeNevers 1982-4-18 1948 Sonoma Pepperwood Ranch. In W arm at Garrison Canyon Comment
  CAS-BOT-BC278394  Festuca elmeri Greg de Nevers 1987-6-1 8187 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  RSA143955  Festuca occidentalis Roxana S. Ferris, Laura Lorraine 1961-6-14 13534 Sonoma Joy Road Grade, 1.8 miles from jct. with Bodega Hwy Comment
  UC1024771  Festuca occidentalis Leo Whitney 1935-4-14 2257 a Sonoma near Occidental Comment
  UCD66117  Festuca occidentalis Beecher Crampton 1955-6-17 2964 Sonoma 2 miles east of Fort Ross. Comment
  SEINET10559306  Festuca occidentalis A. Arthur Heller 1902-4-4 Heller 5221 Sonoma Hills near Santa Rosa. Comment
  UCD66331  Festuca rubra P. B. Kennedy 1918-5-28 Sonoma 8 miles from Santa Rosa, Calistoga - Petrified Forest Road. Comment
  RSA94608  Festuca rubra Peter Rubtzoff 1951-7-7 353 Sonoma Pitkin Marsh, near Forestville; Western branch of the upper marsh. Comment
  CAS-BOT-BC353384  Filago Peter Rubtzoff; Nancy Harrison 1974-7-13 7670 Sonoma Upper Green Valley Marsh. Comment
  RSA177900  Filago californica R. F. Thorne 1965-4-20 34352 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  SEINET208607  Filago gallica J. T. Howell 1965-3-25 41033 Sonoma 3 mi SE of Sonoma 76 Comment
  RSA0045169  Filago pyramidata Greg de Nevers 1993-5-30 10463 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd. 91 Comment
  SEINET11826926  Filago pyramidata var. pyramidata Unknown 1936-1 13100 Sonoma Healdsburg Comment
  POM140717  Fragaria californica A. A. Heller 1902-3-16 5074 Sonoma Russian River, Near Trenton. Comment
  CAS-BOT-BC455955  Fragaria chiloensis Walter Knight; Irja Knight 1964-2-18 567 Sonoma Hiway #1, Rocky Point. Coastal bluff. Comment
  CAS-BOT-BC53277  Frangula californica subsp. californica Peter Rubtzoff 1951-8-18 616 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC53279  Frangula californica subsp. californica Peter Rubtzoff 1951-6-16 251 Sonoma Uppermost part of the westsern branch of the Upper Marsh Comment
  UCD158845  Frangula californica subsp. crassifolia James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2912 Sonoma The Geysers, west central part of Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  JEPS44085  Fraxinus latifolia W. L. Jepson 1903-10-4 2364 Sonoma near Guerneville; Bohemian Club Grove Comment
  UCD122049  Fraxinus latifolia Frederica Bowcutt 1997-7-18 2178 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  UC75633  Fritillaria affinis Miss Emma Lobenstin 1906-1 Sonoma Valley Ford Comment
  CAS-BOT-BC130179  Fritillaria affinis Milo S. Baker 1940-3-1 s.n. Sonoma unspecified Comment
  RSA177995  Fritillaria affinis Robert F. Thorne 1965-4-19 34296 Sonoma W of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  UC72491  Fritillaria liliacea Milo S. Baker 1898-4 Sonoma near Santa Rosa Comment
  RSA177962  Fritillaria recurva Robert F. Thorne 1965-4-20 34381 Sonoma Charles Newmans place up Los Alamos Rd, on Rincon Ridge 396 Comment
  UCR42317  Fritillaria recurva var. coccinea L. F. LaPre 1986-3-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  UCD121660  Galium aparine Jennifer Bury; Peggy Herzog 1993-5-8 267 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. About 100 ft. above parking lot. 402 Comment
  UCD151154  Galium nuttallii James A. Neilson Jr. 1973-6-7 3563 Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  POM67597  Galium porrigens Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  JEPS52756  Galium porrigens var. porrigens Rimo Bacigalupi 1964-8-3 8999 Sonoma on stretch of road between Fort Ross and Russian Gulch (slopes 450-500 ft above and facing sea, just s of Meyer Gulch (exactly 0.9 mi n of junction of road to Seaview)) 137 Comment
  CHSC30057  Galium porrigens var. tenue Terrence Finn 1980-3-15 16 Sonoma Plant found just under Buzzard Rock. 85 Comment
  RSA264734  Galium trifidum Peter Rubtzoff 1970-6-14 6261 Sonoma On River Road about 3 miles W of Fulton. Comment
  CAS-BOT-BC304343  Gamochaeta pensylvanica Greg de Nevers 1993-5-30 10463 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd 457 Comment
  CDA11138  Garrya fremontii G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11549 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Comment
  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-BC320553  Gastridium Peter Rubtzoff 1972-6-29 6798 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC278714  Gastridium ventricosum David L. Morgan 1955-7-20 s.n. Sonoma Bank of Austin Cr., 3 mi. W. of Monte Rio Comment
  UC1023580  Gastridium ventricosum Virginia Bufford 1936-5-21 361 Sonoma Geysers-Cloverdale Rd. Comment
  UC50492  Gastridium ventricosum A. B. Leckenby June 1896 Sonoma Petaluma Comment
  CDA2168  Gaudinia fragilis J. Valerius, Heather Lake 2002-6-25 s.n. Sonoma Northwest of intersection of Asti Road and South Cloverdale exit ramp from Hwy 101, Cloverdale. 0 Comment
  SBBG5536  Gaultheria shallon H. and M. Dearing 1939-5-15 3389 Sonoma N of Fort Ross Comment
  SEINET7062819  Gaultheria shallon A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point. UTM Zone 10, 464491mE, 4278527mN. (WGS84/NAD83). 0 Comment
  CAS-BOT-BC208031  Genista monspessulana Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  HSC14659  Genista monspessulana F. Demostene 1966-4-4 19 Sonoma 1 mi. W of Healdsburg Comment
  UCD55068  Geranium purpureum Ellen Dean; Tammie Beyerl 2006-4-28 3012 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  SEINET7067224  Gilia capitata A. G. Vestal 1947-5-12 s.n. Sonoma About 1 mile east of Occidental on the Occidental Road. Coordinate datum: NAD27. Comment
  UCD158810  Gilia capitata James A. Neilson Jr. 1974-4-16 2872 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC226171  Gilia capitata subsp. tomentosa A. A. Heller 1940-5-17 15631 Sonoma Immediately east of Bodega Bay on State Highway #1 Comment
  UC912342  Gilia millefoliata Charles B. Heiser Jr. 1946-4-14 1734 Sonoma Bodega Head Comment
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Feb 24 2009
  POM65678  Gilia tricolor A. A. Heller, H. E. Brown 1902-4-4 5211 Sonoma Hills east of Santa Rosa Comment
  UC124891  Gilia tricolor subsp. tricolor Katharine Brandegee May 1890 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC266522  Githopsis diffusa Peter Rubtzoff 1957-5-26 3354 Sonoma Near Occidental - Graton road, 2.7 miles E of Occidental Comment
  SEINET10464458  Githopsis diffusa subsp. robusta Michener 1892-5-30 MICHENER 1411 Sonoma Comment
  UCD158813  Githopsis specularioides James A. Neilson Jr. 1974-4-16 3578 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  JEPS26838  Glechoma hederacea Rimo Bacigalupi 1961-5-21 7701 Sonoma 3.25 mi nw Sebastopol (at corner of Mills station road and Occidental road, drainage of Atascadero Creek); Atascadero Creek 40 Comment
  UCD148471  Glyceria Peter Rubtzoff 1964-5-30 5324 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa. Comment
  CAS-BOT-BC283842  Glyceria Paul But 1975-5-18 991 Sonoma W end of Sebastopol city limit, in vernal pool along road to Occidental Comment
  CAS-BOT-BC282726  Glyceria elata Peter Rubtzoff 1951-6-17 280 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC282729  Glyceria elata Peter Rubtzoff 1951-6-10 204 Sonoma South of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC282731  Glyceria elata Peter Rubtzoff 1962-5-25 4842 Sonoma Laguna de Santa Rosa area northeast of Graton east of Laguna Road Comment
  CAS-BOT-BC282732  Glyceria elata Peter Rubtzoff 1960-5-22 4414 Sonoma Laguna de Santa Rosa area east of Graton between Occidental and Guwerneville Roads Comment
  CAS-BOT-BC282817  Glyceria leptostachya A. D. E. Elmer 1903-7-1 4652 Sonoma Petaluma Comment
  RSA786603  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5382 Sonoma Coleman Marsh. Comment
  SEINET6836756 Image available Glyceria leptostachya A. D. E. Elmer July 1903 4652 Sonoma Petaluma Comment
  CAS-BOT-BC164700  Gnaphalium Peter Rubtzoff 1966-8-29 5815 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166779  Gnaphalium chilense Peter Rubtzoff 1955-8-20 2061 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC176163  Gnaphalium chilense Peter Rubtzoff 1974-8-4 7796 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC302695  Gnaphalium palustre Peter Rubtzoff 1958-7-5 3736 Sonoma Atascadero Creek Marsh. Comment
  UCR279610  Gnaphalium palustre Peter Rubtzoff 1959-6-20 4164 Sonoma Willow Creek Marsh 9 Comment
  CAS-BOT-BC176134  Gnaphalium palustre Peter Rubtzoff 1951-9-3 740 Sonoma Vacation Beach, near Guerneville. Comment
  CDA6006  Gnaphalium purpureum T. C. Fuller 1958-5-24 3986 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  RSA0004473  Godetia amoena var. sonomensis C. L. Hitchcock 1928-6-7 18 Sonoma 1/2 mile east of Glen Ellen. 30 Comment
  CAS-BOT-BC251308  Gratiola Peter Rubtzoff 1972-6-11 s.n. Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC164094  Grindelia Peter Rubtzoff 1964-7-7 5392 Sonoma Laguna de Santa Rosa E of Graton. Comment
  UCD148466  Grindelia camporum Peter Rubtzoff 1963-7-14 5205 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  CAS-BOT-BC305177  Grindelia hirsutula John Thomas Howell 1930-6-8 5222 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CAS-BOT-BC305184  Grindelia hirsutula L. R. Abrams 1916-7-4 5784 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC305197  Grindelia hirsutula John Thomas Howell 1929-6-30 4318 Sonoma 4 miles from Petrified Forest on road to Knights Valley Comment
  SBBG45076  Grindelia hirsutula H. E. and S. T. Parks -Nov-1929 411 Sonoma Tubbs Island, sea level Comment
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Feb 9 2015
  CAS-BOT-BC305168  Grindelia hirsutula J. T. Howell 1932-11-16 10816 Sonoma 6 mi. from Sonoma on road to Napa Comment
  UC584178  Harmonia nutans J. Clausen 1935-5-23 1073 Sonoma 0.3 mi n entrance to Petrified Forest (50-150 ft above road) Comment
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Feb 27 2007
  CDA34787  Hedera helix Peter Warner 2010-2-28 109 Sonoma Sweetwater Springs Rd., 4.7 mi. W of Westside Rd.; in redwood stand immediately along S road edge. Comment
  CAS-BOT-BC306329  Hedypnois cretica D. Breedlove 1975-4-28 39495 Sonoma Near Doran Beach, Bodega Bay Comment
  CAS-BOT-BC262982  Helenium puberulum Peter Rubtzoff 1955-8-13 2043 Sonoma Duncans Mills Marsh, upper portion of the marsh. Comment
  CAS-BOT-BC309584  Helenium puberulum D. E. Breedlove 1961-12-31 1442 Sonoma At S side of mouth of Russian River 6 Comment
  SEINET11842884  Helianthella californica W. Knight, Knight, I.; Edwards, S. 1986-1 5345 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Rd 853 Comment
  UCD151000  Helianthella californica D. S. Park; S. Nicole 2010-5-11 79 Sonoma Bodega hwy. Comment
  UC897266  Helianthella californica subsp. californica Lewis S. Rose 1940-5-6 40261 Sonoma 4 mi e Santa Rosa; Rincon Ridge 304 Comment
  CAS-BOT-BC314739  Helianthella californica var. californica Catherine Best 1981-5-16 s.n. Sonoma About three miles east of Sonoma on Wood Valley Road Comment
  CAS-BOT-BC314741  Helianthella californica var. californica G. De Nevers 1982-5-2 1978 Sonoma Along road on ridge above Hansel's Lake, Pepperwood Ranch Natural Preserve Comment
  UCD164995  Hemizonia Peter Rubtzoff; Nancy harrison 1974-9-7 7875 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  UCD165138  Hemizonia Peter Rubtzoff 1974-5-18 7422 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC306155  Hemizonia congesta subsp. clevelandii James I. McMurphy 1909-8-10 717 -A Sonoma About a mile west of Santa Rosa on road to Fulton Comment
  CAS-BOT-BC306160  Hemizonia congesta subsp. clevelandii James McMurphy 1908-9-27 s.n. Sonoma Between Fulton and Sebastopol Comment
  CAS-BOT-BC306219  Hemizonia congesta subsp. congesta James McMurphy 1908-9-27 s.n. Sonoma 2 mi. S. of Fulton Comment
  CAS-BOT-BC306223  Hemizonia congesta subsp. congesta John Thomas Howell 1930-6-8 5216 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  UC134571  Hemizonia congesta subsp. congesta Katharine Brandegee 1905-6-1 Sonoma between Santa Rosa and Sebastopol Comment
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Jun 26 2010
  UC952862  Hemizonia congesta subsp. congesta Milo S. Baker 1945-8-14 11153 Sonoma 2 mi n Sebastopol (drier ground of marsh); Perry Marsh Comment
  CAS-BOT-BC306238  Hemizonia congesta subsp. congesta J. McMurphy 1909-5-30 s.n. Sonoma Between Windsor & Healdsburg Comment
  UC990602  Hemizonia congesta subsp. congesta James I. McMurphy 1908-9-1 Sonoma near Fulton; George's Vineyard Comment
  CAS-BOT-BC309674  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station, between Santa Rosa and Sebastopol Comment
  SBBG8412  Hemizonia congesta subsp. lutescens H. and M. Dearing 1939-5-14 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  CAS-BOT-BC309687  Hemizonia congesta subsp. lutescens Bruce G. Baldwin 1986-10-29 645 Sonoma 0.3 mile south of junction with California State Highway 116 along Lakeville Road Comment
  CAS-BOT-BC309694  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 714 -B Sonoma 4-1/2 mi. S of Santa Rosa Comment
  CAS-BOT-BC309701  Hemizonia congesta subsp. lutescens James McMurphy 1908-9-27 s.n. Sonoma Between Fulton and Sebastopol Comment
  CAS-BOT-BC309718  Hemizonia congesta subsp. lutescens H. D. Ripley; R. C. Barneby 1945-6-22 6943 Sonoma North of Jenner 30 Comment
  CAS-BOT-BC309722  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-10-1 6052 Sonoma Laguna on College Ave Hiwy Comment
  CAS-BOT-BC309955  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-10-26 4539 Sonoma 7 1/2 miles from Santa Rosa on road to Petrified Forest Comment
  JEPS119464  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 Comment
  OBI16224  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1966-7-17 9916 Sonoma Sausal crk N of Alexander Valley Comment
  UC480911  Hemizonia congesta subsp. luzulifolia Katharine Brandegee 1910-8-14 Sonoma Cobb. Mt. Cobb Mt. Comment
  UCR233075  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2805 Sonoma North Coast Ranges, west slope of Mayacamas Mountains, end of Los Alamos Rd., 4.6 miles east of intersection Hwy 12, parking area next to Hood Mountain Regional Park 427 Comment
  CAS-BOT-BC309937  Hemizonia congesta subsp. luzulifolia Irja Knight; Walter Knight 1964-11-15 792 Sonoma Hood's Peak near upper end of Johnson Ranch Comment
  CAS-BOT-BC309943  Hemizonia congesta subsp. luzulifolia H. M. Hall 1924-8-13 12098 Sonoma East side of Russian River between Ukiah and Hopland Comment
  CAS-BOT-BC309960  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2731 Sonoma 2.3 mi. S.W. of Shellville railroad station 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
  SEINET11843059  Hemizonia pungens W. Knight, Knight, I. 1984-1 5422 Sonoma Willow Creek Rd 61 Comment
  RSA81602  Hemizonia pungens subsp. pungens James I. McMurphy 1909-8-9 712 Sonoma Hills between Sonoma and Petaluma. Comment
  UC174206  Heracleum lanatum Katharine Brandegee June, 1905 Sonoma Bodega Comment
  CAS-BOT-BC310216  Hesperevax sparsiflora var. sparsiflora G. DeNevers 1981-4-25 834 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  HSC92191  Hesperocyparis goveniana A. T. Austin 1990-12-17 Sonoma Salt Point State Park Comment
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Jul 25 2018
  SD175774  Hesperocyparis sargentii D. G. Kelch 2006-6-24 06 323 Sonoma On serpentine along Harrison Grade. 167 Comment
  CAS-BOT-BC176030  Hesperolinon clevelandii Milo S. Baker 1947-5-7 11743 Sonoma Southwest slope of Hood Mt. above Baker Ranch 213 Comment
  RSA151707  Hesperolinon clevelandii H. K. Sharsmith 1947-5-30 3966 Sonoma Southern slope of Hood Mountain, volcanic rock, altitude 800 feet, near Grant line. 244 Comment
  RSA143958  Hesperolinon micranthum Roxana S. Ferris, Laura Lorraine 1961-6-15 13560 Sonoma Harrison Grade, 1.3 mile from junction with Green Valley Road Comment
  UC1212254  Hesperolinon micranthum Helen K. Sharsmith 1952-6-17 4124 Sonoma Trinity road nw Mount Veeder; Inner North Coast Ranges 457 Comment
  UC17273 Image available Hesperolinon spergulinum H. N. Bolander 1867-1 6568 Sonoma Cloverdale; ; Cloverdale, Sonoma Co. Comment
  UCD19305  Hesperomecon linearis Terry Reedy 1974-5-11 211 Sonoma Bodega Head, sand dunes. 13 Comment
  RSA264760  Heterocodon rariflorum Peter Rubtzoff 1963-5-26 5133 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC149830  Heteromeles arbutifolia Walter Knight; Irja Knight 1963-9-1 140 Sonoma Pine Mt. Rd - NE of Cloverdale, Harold Smith Ranch Comment
  UCR279613  Heterotheca oregona Peter Rubtzoff 1956-9-23 2942 Sonoma Hacienda Region, left side of Russian River, near the road from Forest Hills to Highcroft, c. 0.5 mile SW of the Russian River bridge in Hacienda 27 Comment
  UC101609  Heuchera pilosissima Katharine Brandegee June 1905 Sonoma Bodega Bay Comment
  SEINET12216892  Heuchera pilosissima W. Knight, Knight, I. 1984-1 5292 Sonoma Gualala Pt. State Park Comment
  UC75913  Hieracium albiflorum Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  RSA178030  Hierochloe occidentalis R. F. Thorne 1965-4-19 34316 Sonoma 1/2 mile from Green Valley Road 152 Comment
  CAS-BOT-BC55452  Hirschfeldia incana Alice Eastwood 1920-7-31 9997 Sonoma Vallejo. Comment
  CAS-BOT-BC55454  Hirschfeldia incana Mary P. Wells 1985-5-26 503 Sonoma By the coast Highway, north of mouth of Russian River. Comment
  POM252710  Hoita orbicularis A. A. Heller 1902-6-24 7548 Sonoma Near Burkes Sanitarium Comment
  UC16315  Hoita orbicularis F. T. Bioletti 1892-1 Sonoma Point Arena Comment
  CAS-BOT-BC280786  Holcus lanatus G. DeNevers 1981-5-30 1364 Sonoma Pepperwood Ranch. Shore of Pippindale Pond Comment
  CAS-BOT-BC280789  Holcus lanatus G. DeNevers 1981-6-15 1565 Sonoma Pepperwood Ranch. Along Franz Creek Comment
  CAS-BOT-BC280802  Holcus lanatus Peter Rubtzoff 1957-6-28 s.n. Sonoma Duncans Mills Marsh Comment
  OBI35876  Holcus lanatus David J. Keil 1983-6-29 17202 Sonoma Ca. 10 mi SE of Ft Ross along hwy 1 Comment
  UCD84980  Holcus lanatus H. S. Yates 1936-5-16 5595 Sonoma 2 miles SE of Forestville. 30 Comment
  CAS-BOT-BC164699  Holocarpha Peter Rubtzoff 1970-5-30 6252 Sonoma 5 miles north of Sears Point. Comment
  SDSU1671  Holocarpha virgata D. F. Howe 1965-8-3 4104 Sonoma 4.4 miles west of Santa Rosa. Comment
  CAS-BOT-BC152387  Holodiscus discolor var. discolor Rattan 1877-6-12 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC152394  Holodiscus discolor var. discolor Peter Rubtzoff 1952-6-9 1187 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  RSA783727  Holozonia filipes Peter Rubtzoff 1961-7-22 4661 Sonoma Bennett Mountain Lake. Comment
  UCD85528  Hordeum brachyantherum subsp. californicum Beecher Crampton 1959-6-16 5385 Sonoma 1 mile E of Occidental. Comment
  SEINET4670524  Hordeum murinum subsp. leporinum R. Halse 1987-2-22 3375 Sonoma Along State HWY 121, 0.4 miles east of its junction with State HWY 116 at Big Bend in the Sonoma Valley. 6 Comment
  UC1596333  Hordeum murinum subsp. leporinum Richard R. Halse 1987-2-22 3375 Sonoma along State Highway 121 .4 mi e of its junction with State Highway 116 at Big Bend in the Sonoma Valley 6 Comment
  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
  CAS-BOT-BC273543  Hordeum vulgare David L. Morgan 1956-5-18 s.n. Sonoma On State Highway #12, 5.4 mi. S. of Santa Rosa city limits Comment
  POM225967  Horkelia californica Philip A. Munz 1936-8-7 14309 Sonoma 6 miles N of Bodega. Comment
  UC75491  Horkelia tenuiloba Milo S. Baker May 1899 Sonoma near the Laguna (Forestville Rd); Forestville Comment
  UCD106019  Hosackia gracilis Freed W. Hoffman 1947-4-22 626 Sonoma Roadside between Sebastopol and Petaluma. Comment
  UC1122088  Hypericum anagalloides H. S. Yates 1936-5-16 5588 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  SD7537  Hypericum anagalloides Glen Ellen July 1891 432 a Sonoma Comment
  JEPS128179  Hypericum concinnum Roger Raiche 2001-5-17 022 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  SBBG4757  Hypericum concinnum H. and M. Dearing 1939-5-14 3345 Sonoma near Healdsburg Comment
  JEPS128241  Hypochaeris glabra Roger Raiche 2000-5-4 078 .00 Sonoma The Cedars. Promentory, Cabin Site. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC316682  Hypochaeris glabra John H. Thomas 1976-6-15 18319 Sonoma Southern end of Sea Ranch northeastern part of county about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC316711  Hypochaeris radicata Greg de Nevers 1981-5-9 1022 Sonoma By the Red Corral at teh McCann Homestead, Pepperwood Ranch Comment
  HSC13851  Iris douglasiana H. E. Parks, S. T. Parks 1930-5-9 619 Sonoma Head of Alexander Valley Comment
  SEINET6882951  Iris douglasiana W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 1.3 miles north of Salmon Creek. Comment
  HSC34854  Iris fernaldii Thomas W. Nelson, James Nelson 1975-5-5 1806 Sonoma Beside Hwy. 29 at the petrified forest Comment
  RSA48721  Iris fernaldii Lee W. Lenz 1949-5-2 14427 Sonoma Santa Rosa - Calistoga Road, 0.5 mile from junction with road to Mark West Springs 610 Comment
  UC896986  Iris macrosiphon Alice Eastwood 1918-5-1 6822 Sonoma Mt. St. Helena Comment
  JEPS52323  Isoetes howellii Wayne Roderick April, 1965 Sonoma e. Cotati (on Rivers Ranch, Sonoma Mts.); Sonoma Mts., Rivers Ranch 304 Comment
  CAS-BOT-BC57736  Isoetes howellii Peter Rubtzoff 1963-6-22 5188 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC112412  Isolepis carinata John Thomas Howell 1957-6-13 32620 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-BC251221  Juglans Peter Rubtzoff 1970-8-31 6348 Sonoma 5.5 miles East of Guerneville, along Russian River at Forest Hills. Comment
  CAS-BOT-BC164386  Juncus balticus subsp. ater Peter Rubtzoff 1971-7-23 6606 Sonoma Sonoma: Laguna, Chileno Valley Comment
  UCD164998  Juncus bolanderi Peter Rubtzoff 1974-9-7 7882 Sonoma Hinebaugh Creek in Rohnert Park, creek bed east of Commerce Blvd. crossing. Comment
  SEINET10533021  Juncus bufonius Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7082 Sonoma On n-facing grassy clay bank, .6 mile w of sonoma-napa co. Line on hwy. 121. 61 Comment
  UC143806  Juncus bufonius var. congestus A. A. Heller 1902-6-11 5688 Sonoma e of Santa Rosa; Santa Rosa Creek Comment
  UC1101034  Juncus dubius Herbert L. Mason 1946-7-4 12890 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  RSA94088  Juncus dubius J. T. Howell 1945-7-18 21326 Sonoma Pitkin Marsh Comment
  SD99420  Juncus effusus subsp. pacificus Christopher Davidson 1977-6-20 6025 Sonoma Dry Creek Road, 11.9 miles west of Geyserville. Gravel bar in Warm Springs Creek. 136 Comment
  SD262153  Juncus effusus var. pacificus Peter Rubtzoff 1959-6-20 4177 Sonoma Willow Creek Marsh (Duncan Hills 7.5'Q) 9 Comment
  CAS-BOT-BC157998  Juncus hesperius Peter Rubtzoff 1959-6-20 4178 Sonoma Willow Creek Marsh Comment
  RSA789175  Juncus laccatus Peter Rubtzoff 1968-7-13 5919 Sonoma Upper Salmon Creek Marsh. Comment
  HSC42040  Juncus lescurii S. Saufferer 1973-5-24 218 Sonoma Bodega Bay near the ocean Comment
  UCD19308  Juncus lescurii Terry Reedy 1974-5-11 207 Sonoma Bodega Head, in freshwater marsh. 6 Comment
  UC1146699  Juncus occidentalis Freed W. Hoffman 1941-5-18 2180 Sonoma Franz Valley North Coast Ranges 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
  UC169319  Keckiella corymbosa Joseph Burtt Davy and Walter C. Blasdale 1899-7-22 6009 Sonoma Austin Creek Comment
  CAS-BOT-BC320561  Kickxia Peter Rubtzoff 1973-8-20 7228 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA93404  Koeleria macrantha Milo S. Baker 1950-5-20 12223 Sonoma Summit above Coleman Ranch, Hope Valley, near Kenwood Comment
  UC1153919  Koeleria phleoides Beecher Crampton 1957-5-16 4038 Sonoma Hot Springs Road 3 mi sw Cloverdale Comment
  CAS-BOT-BC340660  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
  CAS-BOT-BC341708  Lagophylla ramosissima G. DeNevers 1981-6-26 1667 B Sonoma Pepperwood Ranch. In Garrison Canyon Comment
  UCD63273  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point. Comment
  UC1146594  Lagurus ovatus Freed W. Hoffman 1944-6-8 2028 Sonoma Cruz Ranch, on coast Comment
  CAS-BOT-BC164354  Lamiaceae Peter Rubtzoff 1954-8-11 1684 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC486689  Lamiaceae Peter Rubtzoff 1971-6-25 6565 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing Comment
  SD56365  Lamium purpureum Wayne Roderick 1962-3-20 Sonoma Near Sebastopol 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
  JEPS86746  Lasthenia burkei Jack and Betty Guggolz 1990-4-6 1029 Sonoma 1.25 mi nw old Windsor (Kidd Development) 41 Comment
  UC353935  Lasthenia burkei Milo S. Baker 1928-4-16 2973 d Sonoma Hi<gh>way a few mi n of Winsor Comment
  RSA0008548  Lasthenia burkei Peter Rubtzoff 1963-6-6 5165 Sonoma Laguna de Santa Rosa, east of Graton Comment
  RSA784684  Lasthenia burkei Mark Elvin 1997-5-7 399 Sonoma Near SE corner of Sonoma Co airport adjacent to main runway. 11 Comment
  CAS-BOT-BC346328  Lasthenia californica A. A. Heller; H. E. Brown 1902-4-15 s.n. Sonoma Santa Rosa Creek Comment
  CAS-BOT-BC346333  Lasthenia californica G. DeNevers 1982-4-18 1945 Sonoma Pepperwood Ranch. NW corner of Hansel's Property Comment
  UC353938  Lasthenia californica subsp. macrantha Milo S. Baker 1928-4-14 2977 b Sonoma coast near bay Comment
  SEINET11807292  Lasthenia chrysostoma F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -231 Sonoma end of Stoetz Road 200 Comment
  UC1224622  Lasthenia glaberrima Peter H. Raven 1963-4-28 18254 Sonoma 4.7 mi s El Verano (on Arnold Dr.) Comment
  CAS-BOT-BC355530  Lasthenia glaberrima Peter Rubtzoff 1966-4-17 5676 Sonoma Laguna de Santa Rosa, east of Gradon (between Occidental and Guerneville rds.) Comment
  CDA34808  Lasthenia gracilis Peter Warner 2010-5-2 154 Sonoma Jenner Headlands, ~100 m 330 deg. N of residence cabin on Willig Extension Dr., in Tank Field. Comment
  RSA42049  Lasthenia macrantha subsp. macrantha Ella Dales Cantelow 1938-5-7 s.n. Sonoma 2.5 miles N of Bodega Comment
  UC726341  Lasthenia minor A. A. Heller 1938-5-14 15080 Sonoma n of the town of Bay; Bodega Bay Comment
  CAS-BOT-BC370890  Lasthenia minor Roxana S. Ferris 1932-5-27 8256 Sonoma northern end of Bodega Bay Comment
  RSA783476  Lathyrus Peter Rubtzoff 1974-4-17 7363 Sonoma Upper Green Valley Marsh area Comment
  UCD106204  Lathyrus cicera Botany 102 Students 1993-5-8 252 Sonoma N of 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. Bald Mountain Trailhead parking. About 1 air mile S of Red Mountain, just N of Sonoma Creek. Comment
  CAS-BOT-BC474560  Lathyrus hirsutus Ayzik Solomeshch 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, N of city of Rohnert Park, E of Hwy 101 and S of Horn Ave. Vegetation plot sampling from pool #1 30 Comment
  CDA20555  Lathyrus hirsutus A. Stephens 2005-6-16 PDR 1293626 Sonoma North Coast; Petaluma Hill Rd, Petaluma. 44 Comment
  UCD150835  Lathyrus hirsutus Ayzik Solomescsh 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, north of city of Rohnert Park. East of Hwy 101 and south of Horn Ave. Elevation estimated from Google Earth by label maker. 30 Comment
  CAS-BOT-BC376424  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. 400 Comment
  UCR255031  Lathyrus sphaericus Greg de Nevers 1996-6-3 10824 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA0060113  Lathyrus vestitus Greg de Nevers 1998-3-14 11147 Sonoma Duncans Landing beach, north of Bodega Bay. Comment
  UCR244753  Layia Peter Rubtzoff 1966-5-29 5730 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Rd. 29 Comment
  UC584225 Image available Layia chrysanthemoides J. Clausen 1935-5-24 1090 Sonoma 6.2 mi s Jenner (at a little bay); ; S of Jenner, Sonoma Co. Comment
  CAS-BOT-BC323256  Layia chrysanthemoides Marian L. Campbell 1921-4-15 s.n. Sonoma Sonora Comment
  RSA785922  Layia chrysanthemoides Peter Rubtzoff 1966-5-29 5730 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA786927  Layia chrysanthemoides Carrie A. Herd 1982-4-25 83 Sonoma Crane Creek Regional Park Comment
  SEINET3071642 Image available Layia chrysanthemoides subsp. maritima J. C. Clausen 1935-5-24 1090 Sonoma 6.2 mi. S. of Jenner Comment
  CAS-BOT-BC379577  Layia platyglossa unspecified 2203 Sonoma 4 mi. N of Ft. Ross Comment
  POM53352  Layia platyglossa subsp. platyglossa A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross Comment
  CAS-BOT-BC329304  Layia septentrionalis H. E. Brown; A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood 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
  CAS-BOT-BC184129  Leersia Peter Rubtzoff 1965-10-17 5660 Sonoma Forest Hills (5.5 miles E of Guerneville) Comment
  CAS-BOT-BC274361  Leersia oryzoides Peter Rubtzoff 1961-10-15 4759 Sonoma Vacation Beach, 2 mi. below Guerneville Comment
  CAS-BOT-BC210099  Lemna Peter Rubtzoff 1965-10-10 5656 Sonoma Pitkin Marsh, near Forestville. Comment
  UCD166259  Lemna Peter Rubtzoff 1970-8-18 6316 Sonoma 5 miles north of Sears Point. 11 Comment
  CAS-BOT-BC154134  Lemna gibba Peter Rubtzoff 1965-11-9 5666 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC527254  Lemna gibba John Thomas Howell 1946-9-20 23028 Sonoma Near Twin Rocks Comment
  HSC15301  Lemna minor Leo Koch 1940-6-12 1011 Sonoma In hills behind Fountiangrove Vineyard, 3 mi. N of Santa Rosa along Hwy. 101 Comment
  UC1101272  Lemna minuscula Malcolm A. Nobs, S. Galen Smith 1949-8-1 1105 Sonoma 2 mi e of Stewart's Point (on road to Geyserville) Comment
  CAS-BOT-BC527286  Lemna minuta Peter Rubtzoff 1964-8-20 5467 Sonoma One mile southeast of jenner near crossing of Hwys. 1 and 12 Comment
  RSA94305  Leontodon nudicaulis Peter Rubtzoff 1951-7-21 501 Sonoma Pitkin Marsh, near Forestville; Between the Upper and the Lower marshes. Comment
  JEPS63253  Lepechinia calycina Eleanor Armstrong 1932-5-29 515 Sonoma 3 miles North of Camp Meeker towards Monte Rio. 121 Comment
  CAS-BOT-BC89739  Lepidium latifolium Walter Knight; Irja Knight 1963-8-9 199 Sonoma North side Lakeville Highway at Petaluma Fertilizer office - Petaluma (waif). Comment
  CDA3805  Lepidium latifolium T. C. Fuller 1958-10-16 1480 -58 Sonoma North side Highway 48, 5 miles east of Sears Point. 0 Comment
  NY76571  Lepidium oxycarpum J. T. Howell 1933-4-1 10924 Sonoma Petaluma Comment
  UC1034634  Lepidium strictum Milo S. Baker 1955-6-1 13044 Sonoma Humboldt St. near 5th Santa Rosa Comment
  CAS-BOT-BC274000  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-7-17 6284 Sonoma 5 miles north of Sears Point Comment
  CAS-BOT-BC273998  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1956-9-11 2851 Sonoma Vacation Beach, near Guerneville Comment
  SBBG53022  Leptosiphon androsaceus M. R. Benedict 1978-4-18 Sonoma Warm Springs Dam site 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
  CAS-BOT-BC226701  Leptosiphon jepsonii D. E. Breedlove 1983-4-11 58684 Sonoma Pepperwood Ranch W of Knights Valley Comment
  RSA3279  Leptosiphon latisectus D. D. Keck 1931-4-4 1100 Sonoma Santa Rosa Creek Canyon 225 Comment
  UC1785058  Leptosiphon parviflorus J. Ewan 1935-5-13 9258 Sonoma Wright School on Sebastopol road Comment
  JEPS87257  Lessingia ramulosa Jack and Betty Guggolz 1992-8-29 1340 Sonoma on creek just below reservoir (about 1 1/2 mi nw of Camp Meeker); Grub Creek 146 Comment
  JEPS86314  Lessingia ramulosa Jack and Betty Guggolz 1988-8-27 987 Sonoma n side Morelli Lane Comment
  UCD92470  Leymus X vancouverensis Peter Rubtzoff 1960-10-29 4583 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC371401  Ligusticum apiifolium Greg de Nevers 1998-7-15 11294 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, just upstream of bridge at Mark West Lodge 400 Comment
  RSA0045174  Ligusticum apiifolium Greg de Nevers 1998-7-15 11294 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, just upstream of bridge at Mark West Lodge. 100 Comment
  CAS-BOT-BC451703  Lilaea scilloides Peter H. Raven 1963-4-12 18162 Sonoma Along U. S. 101 just south of Asti. Comment
  CAS-BOT-BC451716  Lilaea scilloides Walter Knight; Irja Knight 1967-5-1 2062 Sonoma 2 mi. W. of Graton on Graton Road. Comment
  RSA178033  Lilaea scilloides Robert F. Thorne 1965-4-19 34275 Sonoma Titus Ranch, Valley Ford. 18 Comment
  UCD150014  Lilium pardalinum Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 2.5 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd., along Big Sulphur Creek. Elevation estimated by label maker. 822 Comment
  UC496430  Lilium rubescens Merle Randall 1930-6-11 Sonoma 2 mi from Cazadero (Christopher Ranch) 304 Comment
  OBI12591  Limnanthes douglasii Lewis S. Rose 1965-4-4 65020 Sonoma Sonoma 24 Comment
  UC1057461  Limnanthes douglasii G. Thomas Robbins 1937-5-23 180 Sonoma near Wright School (along road between Santa Rosa and Sebastopol) Comment
  UCSB22630  Limnanthes douglasii McCarthy, Sharon 1965-4-17 Sonoma At corner of 5th St. West and MacArthur St. 25 Comment
  SEINET6670470  Limnanthes douglasii subsp. douglasii C. T. Mason 1949-4-11 1249 Sonoma West side of highway 37, 2.4 miles north of junction of state highway 37 and 48, Sears Point. Comment
  UC971869  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-5-9 1122 A Sonoma 0.8 mi s Kenwood Market (e side of Sonoma-Santa Rosa main hwy); Kinneybrook Farm Comment
  RSA52724  Limnanthes douglasii subsp. nivea I. L. Wiggins 1949-4-30 12064 Sonoma 4 miles W of Calistoga Comment
  UCD116447  Limnanthes douglasii var. nivea Robert F. Thorne 1965-4-19 34274 a Sonoma wet field on Titus Ranch, Valley Ford. 18 Comment
  CAS-BOT-BC45947  Limnanthes vinculans Peter Rubtzoff 1966-5-29 5726 Sonoma Laguna de Santa Rosa area east of Cunningham (nr. Llano Road). Comment
  CAS-BOT-BC45949  Limnanthes vinculans Peter Rubtzoff 1958-5-3 3607 Sonoma Atascadero Creek Marsh Comment
  SD77925  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5689 Sonoma Meadow on north side of Hessel Road just west of Highway 116. Comment
  UC1042568  Limnanthes vinculans Mrs. A. E. Alexander 1946-4-23 Sonoma between Bodega and Petaluma Comment
  UC1331756  Limnanthes vinculans R. Ornduff 1965-5-8 6860 Sonoma e Cunningham (nr. Llano Road); Laguna de Santa Rosa Comment
  UCD150131  Limnanthes vinculans Ayzik Solomeshch 2009-5-13 s.n. Sonoma West edge of city of Santa Rosa, S of Hwy 12 and just E of S Wright Rd. San Jones wetland, sampling pool #1. 31 Comment
  RSA0004098  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 mile from Llano Road. Comment
  SEINET7067341  Linanthus acicularis A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor. Coordinate datum: NAD27. UTM Zone 10, 522900mE, 4266529mN. Comment
  UC907840  Linanthus bicolor Milo S. Baker 1898-1 Sonoma Bodega Bay Region Comment
  UC907842  Linanthus bicolor Herbert L. Mason 1943-4-16 12569 Sonoma about 10 mi above Sonoma Comment
  JEPS23256  Linaria vulgaris G. Thomas Robbins 1958-8-11 3924 Sonoma w of the town of Bodega (along Estero Lane a dirt road about 2 mi s of State Highway 1); Estero Lane Comment
  SEINET12030991  Lithocarpus densiflorus F. H. Utech 1988-1 88 -209 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  CAS-BOT-BC36015  Lithocarpus densiflorus var. densiflorus Irja Knight; Walter Knight 1964-11-15 773 Sonoma Hood's peak at Johnson Lake Comment
  CAS-BOT-BC430799  Lithophragma affine Alice Eastwood 1921-5-8 10465 Sonoma Petaluma Comment
  UC75663  Lithophragma affine Miss Emma Lobenstein 1906-1 Sonoma Valley Ford Comment
  CAS-BOT-BC435673  Lithophragma heterophyllum G. de Nevers 1993-3-24 10334 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Weimar Canyon 304 Comment
  SEINET12216914  Lithophragma heterophyllum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -204 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 440 Comment
  CAS-BOT-BC361326  Livistona Greg de Nevers 1997-8-19 11082 Sonoma Santa Rosa, Peterson Lane Comment
  JEPS128268  Logfia filaginoides Roger Raiche 2000-4-8 026 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC342495  Logfia gallica F. Almeda; G. DeNevers 1981-4-28 4915 Sonoma Pepperwood Ranch. Vicinity of the Bechtel cabin Comment
  CAS-BOT-BC342500  Logfia gallica H. L. Mason 1934-4-28 8078 Sonoma Jensen's Ranch, head of Dohrmann Creek Comment
  CAS-BOT-BC353413  Logfia gallica Peter Rubtzoff 1973-7-24 7197 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC283296  Lolium multiflorum Mary P. Wells 1987-9-7 895 Sonoma Spring Lake Park Comment
  UCD66013  Lolium multiflorum Gerry North 1993-4 17 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead. Less than 0.2 miles east of park entrance gate. 243 Comment
  UCD66664  Lolium temulentum Collector Unknown 1941-4-1 Sonoma Sebastopol Hwy. Comment
  RSA0051266  Lomatium hallii Greg de Nevers 1993-5-10 10443 Sonoma Harrison Grade. 182 Comment
  UC21208  Lomatium utriculatum F. T. Bioletti 1893-6-10 Sonoma Hood's Peak Comment
  UC333728  Lomatium utriculatum Hy. Edwards May 1877 316 Sonoma Knights Valley Comment
  CAS-BOT-BC240645  Lonicera hispidula Walter Knight; Irja Knight 1963-9-15 294 Sonoma Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC240653  Lonicera hispidula G. DeNevers 1981-6-27 1674 Sonoma Pepperwood Ranch. On a walk up through the Devil's Kitchen. Kellogg Ranch. Starting from the bottom of the hill in Franz Valley, along Franz Valley Road Comment
  SEINET5784640 Image available Lonicera involucrata Marcus E. Jones 1882-1 2739 Sonoma Duncan's Mills Comment
  CAS-BOT-BC244005  Lonicera involucrata var. ledebourii F. H. Utech; Walter Knight; Irja Knight 1984-4-17 84 -148 Sonoma Bridgehaven (village), near junction of Willow Creek Road and CA Hwy 1 along Russian River 36 Comment
  CAS-BOT-BC243999  Lonicera involucrata var. ledebourii Mary P. Wells 1984-8-9 447 Sonoma Public path through golf course to the see, The Sea Ranch Comment
  SEINET12327831  Lonicera ledebourii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -148 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  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
  JEPS79074  Lotus aboriginus L. R. Heckard with S. Rae and Betty Lovell 1980-4-21 5175 Sonoma 1.5 mi due e Forestville (about 0.5 mi e of Vine Hill road, Vine Hill School road) 60 Comment
  UC1784166  Lotus aboriginus Milo S. Baker April 1930 4846 a Sonoma roadside near Plantation Comment
  UCD35134  Lotus angustissimus Beecher Crampton 1946-8-16 417 Sonoma Fort Ross. Comment
  OBI13230  Lotus angustissimus Robert F. Hoover 1964-9-8 9287 Sonoma KolmerGulch (near Fort Ross) Comment
  POM232043  Lotus angustissimus Roxana S. Ferris 1937-8-19 9379 Sonoma 1.5 mi. north of Fort Ross on State Highway 1. Comment
Read comments
Dec 13 2015
  UC54909  Lotus formosissimus J. B. Clifford 1903-4-25 Sonoma Forestville Comment
  UC80972  Lotus formosissimus Michener and Bioletti Jun 1893 Sonoma Kenwood Comment
  SEINET7075495  Lotus humistratus A. G. Vestal 1955-5-8 s.n. Sonoma Valley of the Moon south of Kenwood. 38? deg. 23' 26" North Latitude, -122? deg. 31' 35" West Longitude. UTM Zone 10, 541365mE, 4249039mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  SEINET7096776  Lotus humistratus A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane.Ca 1 mile east of Occidenta. NAD27, 38.4070? deg. , -122.9289?_ (converted to WGS84) UTM Zone 10, 506210mE, 4250769mN. Comment
  SEINET12154271  Lotus purshianus L. S. Rose 1938-1 38255 Sonoma Bloomfield 30 Comment
  JEPS55883  Lotus stipularis var. stipularis F. T. Bioletti 1893-6-7 Sonoma Hood Peak Comment
  CDA4158  Lotus tenuis A. C. Browne 1953-5-27 Sonoma Black Point Cut-off. 0 Comment
  UC58312  Lotus wrangelianus A. A. Heller 1903-4-25 6597 Sonoma Fort Ross Comment
  UC726330  Lotus wrangelianus A. A. Heller 1937-5-1 16175 Sonoma n of Bodega Bay Comment
  RSA0034027  Ludwigia Peter Rubtzoff 1987-9-27 9853 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  RSA800127  Ludwigia palustris Peter Rubtzoff 1972-6-27 6793 Sonoma Atascadero Creek Marsh. Comment
  UCR280184  Ludwigia peploides Peter Rubtzoff 1958-7-20 3782 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road) 30 Comment
  RSA791567  Ludwigia peploides Peter Rubtzoff 1958-7-26 3807 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD65950  Ludwigia peploides subsp. peploides B. J. Grewell 2006-9-19 06- 74 -LU Sonoma Spring Lake, Sonoma County Park. Santa Rosa, CA. Shoreline near kayak rental and concession area at Spring Creek overflow spillway. 90 Comment
  CAS-BOT-BC201288  Lupinus Milo S. Baker 1928-6-28 3193 Sonoma Pitkin's Farm upland -Vine HIll Dist. Comment
  SEINET10544021  Lupinus albicaulis subsp. shastensis David B. Dunn, Melvin L. Conrad; Katherine L. Morris 1973-6-9 Dunn 20707 Sonoma 2 miles nw of forestville on hwy 116, douglas fir forest with some oaks Comment
  SEINET10488426  Lupinus albifrons Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-8 Conrad 7077 Sonoma Roadside along hwy 1, 3.4 miles n of jenner 91 Comment
  UC1129274  Lupinus albifrons E. Armstrong 1934-3-26 929 Sonoma 2 mi nw Camp Meeker; Sebastopol quad 91 Comment
  UC905105  Lupinus albifrons Milo S. Baker 1947-4-16 11686 Sonoma cliffs at junction of Mark West Road and one from Rincon Summit; cliffs at jct of Mark West Rd and one fr Rincon Summit Comment
  UCD105898  Lupinus albifrons D. E. Breedlove 1963-6-22 5303 Sonoma 2 miles NW of Cloverdale on Calif. Hwy. 128. Comment
  CAS-BOT-BC195976  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-27 48164 Sonoma Junction Melitta-Mark West-Petrified Forest roads. Petrified Forest, junction Comment
  CAS-BOT-BC195979  Lupinus albifrons var. albifrons Alice Eastwood 1893-4-27 s.n. Sonoma Hood Mt. Comment
  CAS-BOT-BC196044  Lupinus albifrons var. collinus Peter Rubtzoff 1953-5-18 1414 Sonoma Near road from Edendale to Vacation Beach, near Guerneville Comment
  UCD106637  Lupinus arboreus P. B. Kennedy Date Unknown 1 Sonoma Del Mar. Comment
  UC73191  Lupinus bicolor Milo S. Baker 1898-4 707 Sonoma Santa Rosa Comment
  UCR248892  Lupinus bicolor Peter Rubtzoff 1969-5-3 6020 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 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
  POM66231  Lupinus densiflorus var. densiflorus Marcus E. Jones 1924-4-23 s.n. Sonoma Petaluma Comment
  SEINET10737353 Image available Lupinus densiflorus var. lacteus Marcus E. Jones 1882-7-17 Jones 3329 Sonoma Duncan's Mills. Comment
  SEINET10485254  Lupinus densiflorus var. palustris Joseph W. Congdon 1880-6-6 Congdon s.n. Sonoma 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
  UCSB21293  Lupinus latifolius McCarthy, Sharon 1965-4-12 Sonoma 1.4 miles on Stage Gulch Road, southwest of junction with Watmaugh Road, off State Highway 12, south of Sonoma 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
  UC201918  Lupinus microcarpus var. microcarpus Milo S. Baker Sonoma Dillon's Beach Comment
  UC725327  Lupinus microcarpus var. microcarpus A. A. Heller 1940-5-17 15637 Sonoma on State Highway #1, 2 mi w Valley Ford; w of Valley Ford Comment
  SEINET7063004 Image available Lupinus nanus A. G. Vestal 1955-5-8 s.n. Sonoma South of Bennett Mountain. UTM Zone 10, 532837mE, 4251642mN. (WGS84/NAD83). 573 Comment
  UC201065  Lupinus nanus Katharine Brandegee July 1905 Sonoma Bodega Comment
  UCD109093  Lupinus nanus Caitlin Lewis; William Mutch 1993-4-17 2 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. Comment
  UCR248939  Lupinus nanus subsp. nanus Peter Rubtzoff 1974-5-18 7411 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  HSC81612  Lupinus polycarpus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5127 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  SEINET10837860  Lupinus polyphyllus Joseph W. Congdon 1880-7-1 Congdon s.n. Sonoma Two rock road. 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
  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
  UC725888  Lupinus variicolor A. A. Heller 1940-5-17 15637 a Sonoma along State Highway #1, 2 mi w Valley Ford; w of Valley Ford Comment
  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
  SEINET11091427 Image available Lupinus variicolor Mrs. H. C. Cantelow 1941-6-7 Sonoma 1.6 miles south of Jeuner State Hy I Comment
  UCD164189  Luzula Peter Rubtzoff; Nancy Harrison 1978-6-11 9205 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley. Comment
  UCD166728  Luzula Peter Rubtzoff 1962-5-11 4818 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  UCD166725  Luzula Peter Rubtzoff 1963-5-26 5135 Sonoma Bennett Mountain Lake. Comment
  RSA177939  Luzula comosa Robert F. Thorne 1965-4-20 34337 Sonoma Parker Hill Road ca. 2 1/2 miles N of Santa Rosa and 1 mile N of Sonoma County hospital. 107 Comment
  CAS-BOT-BC436741  Luzula comosa var. comosa John Thomas Howell 1937-6-6 13033 Sonoma Pitkin Marsh Comment
  UC1534065  Luzula macrantha Carol Conner 1980-3-12 21 Sonoma 2 mi south of Glen Ellen and 1/2 mi northeast of Josephine Lake 91 Comment
  CAS-BOT-BC441403  Luzula macrantha L. R. Abrams 1918-4-27 6904 Sonoma Independence School near Healdsburg Comment
  CAS-BOT-BC441392  Luzula subsessilis Peter Rubtzoff 1953-5-17 1373 Sonoma Vacation Beach, near Guerneville Comment
  UCD160060  Luzula subsessilis James A. Neilson Jr. 1975-4-9 3664 Sonoma Mayacmas Mountains, Hilary Farms. (Exact location unknown. Elevation and coordinates estimated by label maker from Nielson 3126 near Cascade Creek.) 609 Comment
  UCD161671  Luzula subsessilis James A. Neilson Jr. 1974-4-30 2724 Sonoma Mayacmas Mountains. The Geysers. Bruno # 1. (Exact location of Bruno #1 not known by label-maker, but according to Neilson, it is west of Geysers Resort on a north-facing slope near a stream. In the Mayacmas Flora, he indicates it is near 'Old Mercuryville,' which is different than the Mercuryville seen on maps; location and elevation estimated by label-maker) 441 Comment
  OBI78308  Lysimachia latifolia Ann C. Likins 1970-5-16 133 Sonoma Starret Hill Dr, 1 mi W of Monte Rio, near Russian river 30 Comment
  CAS-BOT-BC293673  Lythrum Peter Rubtzoff 1971-6-30 6583 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CDA18035  Lythrum hyssopifolia R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena Spring. 0 Comment
  RSA0015992  Lythrum hyssopifolia A. A. Heller 1902-6-7 5656 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  RSA0015996  Lythrum hyssopifolia Peter Rubtzoff 1954-8-10 1683 Sonoma Bodega Head Marsh. Comment
  UCD166068  Madia Peter Rubtzoff; H. A. Froebe 1971-5-30 6457 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD166261  Madia Peter Rubtzoff 1970-8-19 6329 Sonoma On Austin Creek Beach, 3.5 miles south of Cazadero. Comment
  UC1069880  Madia anomala H. S. Yates 1934-4-22 3851 Sonoma 2 mi s of Mark West; Calistoga Quadrangle Comment
  UCD160118  Madia anomala James A. Neilson Jr. 1973-6-3 3163 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC342616  Madia anomala John Thomas Howell 1959-5-7 34594 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC344037  Madia elegans Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  CAS-BOT-BC344043  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi. N. of Occidental Comment
  CAS-BOT-BC344550  Madia exigua J. C. Roos 1957-7-2 6649 Sonoma Miller Ridge Comment
  JEPS82109  Madia exigua Rimo Bacigalupi and L. Heckard 1961-6-9 7736 Sonoma 1.75 mi sw Occidental (at junction of Joy Road and Bittner Road) 249 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
  UC400141  Madia exigua Ynes Mexia 1929-6-2 2391 Sonoma near Mark West Springs Comment
  JEPS128310  Madia gracilis Roger Raiche 2000-5-27 106 .00 Sonoma The Cedars, road into The Cedars at bridge (before 2nd crossing. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET11808373  Madia madioides F. H. Utech 1986-1 86 -117 Sonoma ca 6 mi NE on Cavedale Road from junction with CA 12 600 Comment
  CAS-BOT-BC345210  Madia sativa Rimo Bacigalupi 1928-6-18 1901 Sonoma Beach at mouth of Salmon Creek 2 miles north of Bodega Bay Comment
  RSA790979  Madia sativa Peter Rubtzoff 1967-9-2 5876 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC345258  Madia sativa John Thomas Howell 1932-9-18 10765 Sonoma South base of Mt. Hood on Sonoma Creek Comment
  UCD134337  Madia sativa Mary M. Hektner; Cathy Hendel 1974-7-29 182 Sonoma Shell Beach; Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD139078  Maianthemum racemosum M. Wiesendanger 1927-5-5 724 Sonoma Kenwood Springs. Comment
  UCSB708  Maianthemum racemosum Keator, Glenn 1959-4-1 Sonoma 1 mile southeast of northern city limits of Camp Meeker Comment
  JEPS87222  Malacothrix floccifera Jack and Betty Guggolz 1992-5-17 1304 Sonoma e of Geyserville (Anderson Trail on the w side of Black Mountain); Black Mountain 609 Comment
  CAS-BOT-BC540137  Malus domestica Peter Rubtzoff 1951-11-24 851 Sonoma Area separating the western branch of the Upper Marsh from the eastern; Pitkin Marsh, near Forestville Comment
  HSC7020  Marah fabacea L. S. Rose 1962-4-18 62026 Sonoma Laguna de Santa Rosa, 2 mi. NE of Graton 30 Comment
  RSA264722  Matricaria matricarioides Peter Rubtzoff 1972-5-25 6773 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC268063  Medicago Peter Rubtzoff 1973-8-21 7246 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  UCD107850  Medicago polymorpha Caitlin Lewis; William Mutch 1993-4-17 24 Sonoma About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile. Near visitor center. 365 Comment
  UC53670  Melica californica F. T. Bioletti 1893-6-5 Sonoma s Los Guilucos Valley Los Guilucos Valley Comment
  UCR225456  Melica californica Frederica Bowcutt 1996-5-24 2155 Sonoma Sugarloaf Ridge State Park, c. 50 air mi north of San Francisco and c. 10 air mi east of Santa Rosa; 2.5 air mi northeast of Kenwood and 18 air mi northwest of Napa. Adobe Canyon just north of Sonoma/Rattlesnake Creek confluence on small knoll 372 Comment
  CAS-BOT-BC281278  Melica geyeri G. DeNevers 1981-5-9 1108 Sonoma Pepperwood Ranch. S of Redwood Canyon Comment
  CAS-BOT-BC383038  Melica geyeri Greg de Nevers 1989-4-1 9057 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  SD134042  Melica geyeri Greg de Nevers 1987-6-1 8184 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 99 Comment
  UC971700  Melica geyeri Leo Koch 1940-4-24 843 Sonoma 1 mi n of 2.5 mi jct from Kenwood and Glen Ellen Glen Ellen; Bennett Valley Comment
  CAS-BOT-BC281392  Melica harfordii H. S. Yates 1936-5-16 5615 Sonoma 2 miles NW of Mountain View School Comment
  UC1132273  Melica harfordii H. S. Yates 1936-5-16 5615 Sonoma 2 mi nw Mountain View School; Sebastopol Quad. 76 Comment
  UCD32526  Melica harfordii Beecher Crampton 1954-5-9 1837 Sonoma Sonoma County, 2.5 miles north of Guerneville, on roadside banks. Comment
  UCD36688  Melica harfordii Beecher Crampton 1955-6-17 2941 Sonoma 4.5 miles S of Cazadero. Comment
  UCD87376  Melica harfordii Virginia Bufford 1936-5-1 183 Sonoma Sonoma County; near Monte Rio. Comment
  UC767146  Melica subulata R. F. Hoover 1941-5-14 5078 Sonoma 3 mi s Monte Rio (on road to Camp Meeker) Comment
  UCD151137  Melica subulata James A. Neilson Jr. 1973-6-6 2962 Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  UCD88604  Melica subulata Frederica Bowcutt 1994-5-1 1782 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon, campground S of Sonoma Creek about 150 yds. 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  CAS-BOT-BC262558  Melica torreyana Peter Rubtzoff 1952-6-3 1161 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC262566  Melica torreyana G. DeNevers 1981-5-9 1099 Sonoma Pepperwood Ranch. E of Gate to Redwoods Comment
  JEPS45821  Melica torreyana Eleanor Armstrong 1932-5-19 164 Sonoma Camp Meeker 106 Comment
  RSA31166  Melica torreyana A. A. Heller 1902-3-27 5160 Sonoma Western base of Mt. Hood. Comment
  UC771211  Melica torreyana W. S. Boyle 1942-4-26 1076 Sonoma between Petrified Forest and Mark West (at junction of side road to Santa Rosa) Comment
  UCD151184  Melica torreyana James A. Neilson Jr. 1974-4-17 3006 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 Comment
  UCD89203  Melica torreyana R. Tofsrud 1942-4-1 s.n. Sonoma Road to 'Top O'World. Comment
  RSA784568  Melissa Peter Rubtzoff 1973-8-28 7277 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173614  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi. east of Healdsburg. Russian River. Comment
  UCD163793  Mentha aquatica Peter Rubtzoff 1962-10-9 s.n. Sonoma Brooks Gulch Marsh. Comment
  UC1714396  Mentha pulegium J. Burtt Davy 1896-7-22 Sonoma Russian River Station Comment
  UCR45981  Mentha pulegium L. F. LaPre 1986-7-29 s.n. Sonoma North Coast Ranges, Pine Flat, near the Lake Co. line, 12 mi east of Healdsburg Comment
  PASA1168  Mentha pulegium Frank W. Peirson 1925-8-8 Sonoma 5 miles east of Santa Rosa Comment
  POM62727  Mentha pulegium Geo R. Hall 1906-10-14 s.n. Sonoma Guerneville Comment
  UCD148376  Mentha pulegium Peter Rubtzoff 1955-9-24 2157 Sonoma Guerneville Marsh. Comment
  UCD148454  Mentha pulegium Peter Rubtzoff 1962-8-22 5034 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC166977  Mentha spicata Peter Rubtzoff 1953-11-1 1449 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC164666  Mentha spicata Peter Rubtzoff 1955-10-12 2166 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC166968  Mentha spicata Peter Rubtzoff 1973-9-9 7315 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC348627  Micropus californicus var. californicus G. DeNevers 1981-5-5 944 B Sonoma Pepperwood Ranch. Hansel's cow pasture. On the trail across the driveway to the Pippindale Garden Comment
  CAS-BOT-BC348687  Microseris acuminata Alice Eastwood 1921-4-24 10393 Sonoma Santa Rosa Comment
  CAS-BOT-BC322650  Microseris laciniata F. T. Bioletti 1893-6-10 s.n. Sonoma Los Guilucos Valley Comment
  CAS-BOT-BC322708  Microseris laciniata John Thomas Howell 1937-7-4 13081 Sonoma 4 miles west of Santa Rosa Comment
  CAS-BOT-BC322711  Microseris laciniata John Thomas Howell; Alice Eastwood 1936-5-19 2504 Sonoma 11 miles north of Santa Rosa Comment
  SEINET11806900  Microseris linearifolia F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -173 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  CAS-BOT-BC322748  Microseris paludosa Ella Dales Cantelow 1941-4-18 3508 Sonoma 2 miles north of Windsor Comment
  CAS-BOT-BC312699  Mimulus Peter Rubtzoff 1960-6-9 4486 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC311866  Mimulus Peter Rubtzoff 1969-6-14 6073 Sonoma Vernal pool, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  CAS-BOT-BC311876  Mimulus Peter Rubtzoff 1959-6-20 4171 Sonoma Willow Creek Marsh. Comment
  JEPS87263  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-5 1113 Sonoma n Boyes Hot Springs (0.6 mi e of Hwy. 12 along Cavedale Road) 160 Comment
  OBI9498  Mimulus aurantiacus var. aurantiacus H. E. McMinn 1944-5-11 5454 Sonoma Along road to Oakville from Kenwood Comment
  UCD39137  Mimulus cardinalis Beecher Crampton 1964-8-18 7144 Sonoma N.E. 'The Geysers', Big Sulphur Creek. Comment
  HSC100943  Mimulus congdonii Peter Warner 2011-3-9 179 Sonoma Pepperwood Preserve, NE corner, 1,125 m, W299 deg. N from junction of Franz Valley and Franz Valley School Roads. 0 Comment
  RSA535766  Mimulus congdonii David M. Thompson 1988-4-1 863 Sonoma Ca. 3 air miles E of Glen Ellen. 3.9 mi NE of Hwy 12 along Cavedale Road; W side of Road, 5 ft S of entrance to 3845-3850-3860 private driveway. 183 Comment
  UCR265243  Mimulus guttatus Ann Howald 2015-4-28 3376 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, c. 11.7 miles west of intersection with Rockpile Rd, Warm Springs drainage 431 Comment
  SEINET6986285  Mimulus guttatus A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma Serpentine area 1 mile east of Occidental. Comment
  UC1051635  Mimulus inodorus Peter Kamb 1950-6-16 1864 Sonoma 1 mi n Sousa Corners (nw of Sebastopol); Pitkin Marsh Comment
  UC454796  Mimulus inodorus I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UC1012301  Mimulus nasutus F. W. Pennell and H. L. Mason 1940-5-21 25487 Sonoma 12 mi e Healdsburg (Route 28); Knights Valley, Maacona Creek 121 Comment
  UC495530  Mimulus nasutus Merle Randall 1930-6-11 Sonoma Cazadero Comment
  CAS-BOT-BC174580  Minuartia californica Mary P. Wells 1894-4-20 s.n. Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC388898  Minuartia douglasii Anna F. Rodda 1929-5-6 s.n. Sonoma Geyserville Comment
  JEPS42871  Mollugo verticillata Alice King Oct. 1896 Sonoma Russian River, Healdsburg Russian River; , Healdsburg Comment
  CAS-BOT-BC435109  Mollugo verticillata Peter Rubtzoff 1959-8-30 4245 Sonoma Drake's Beach, near Guerneville. Bottom of Russian River. Comment
  LA57191  Monardella purpurea Robert F. Hoover; 1942-7-13 5915 Sonoma 3 mi. S of Monte Rio Comment
  CLARK-A1528-3154  Monardella villosa John C. Roos 1950-7-22 4868 Sonoma Jenner 30 Comment
  CAS-BOT-BC220503  Monardella villosa John Thomas Howell 1929-6-30 6316 Sonoma 6 miles from Petrified Forest on road to Knights Valley Comment
  UCD125249  Monardella villosa Frederica Bowcutt 1984-6-23 420 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. West of Hwy 1. Immediately north of Gerstle Cove near large parking lot. 15 Comment
  CAS-BOT-BC314205  Monardella villosa subsp. subserrata D. E. Breedlove 1980-6-27 44772 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  CAS-BOT-BC314162  Monardella villosa subsp. subserrata John Thomas Howell 1929-6-30 4316 Sonoma 6 miles from Petrified Forest on road to Knights Valley. Comment
  JEPS62414  Monardella villosa subsp. villosa M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 221 Sonoma Between Guerneville and Monte Rio; Russian River Comment
  UC32607  Monardella villosa subsp. villosa Alice King June, 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC314185  Monardella villosa subsp. villosa W. R. Dudley 1893-9-9 s.n. Sonoma Near mouth of Russian River. Comment
  CAS-BOT-BC444996  Montia fontana Greg de Nevers 1993-3-7 10316 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Double Ponds. 304 Comment
  RSA0102995  Montia gypsophiloides Lyman Benson 1935-3-31 6407 Sonoma U.S. 101, Healdsburg. Mt. Range: North Coast. Watershed: Russian River. 243 Comment
  JEPS21579  Myosotis discolor Lauramay T. Dempster 1958-5-24 1104 Sonoma Pitkin Ranch, Pitkin Marsh Comment
  CAS-BOT-BC257704  Myosurus Peter Rubtzoff 1966-4-17 5672 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  JEPS30065  Myrica californica Alice Louise Griffin Sonoma Stewart's Point Comment
  CAS-BOT-BC101796  Myrica californica Walter Knight; Irja Knight 1963-10-29 397 Sonoma Roblar Road near county dump Comment
  CAS-BOT-BC251165  Myriophyllum aquaticum Peter Rubtzoff 1961-10-18 4770 Sonoma Cunningham Marsh. Comment
  RSA800152  Myriophyllum brasiliense Peter Rubtzoff 1966-6-27 5770 Sonoma Santa Rosa Creek area, ca. 1 mi east of Laguna de Santa Rosa. Comment
  UCR244634  Myriophyllum hippuroides Peter Rubtzoff 1955-7-16 1966 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  UC2028423  Myriophyllum verticillatum Barbara Ertter 1988-11-5 8034 Sonoma Lake Sonoma ca 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge Comment
  CAS-BOT-BC260077  Nassella lepida G. DeNevers 1981-5-15 1165 Sonoma Pepperwood Ranch, in N arm of Garrison Canyon Comment
  UC768841  Nassella lepida Robert F. Hoover 1941-6-7 5313 Sonoma two mi se Monte Rio (on road to Camp Meeker) Comment
  UCD87696  Nassella pulchra H. S. Yates 1934-4-21 3780 Sonoma Near Bodega. 60 Comment
  UCD116060  Nasturtium officinale Ella Dales Cantelow 1938-5-7 2389 Sonoma 8 mi. S. of Fort Ross. Comment
  CAS-BOT-BC230267  Navarretia cotulifolia A. A. Heller 1902-6-4 5638 Sonoma San Miguel Island. Head east fork of Canyon Del Mar 0.3 miles west of the old ranch house. 152 Comment
  UC856857  Navarretia cotulifolia A. A. Heller 1902-6-4 5638 Sonoma Santa Rosa Comment
  UCR265547  Navarretia intertexta Ann Howald, Christina Freeman 2015-6-1 3413 Sonoma Inner North Coast Ranges, Annadel State Park, Ledson Marsh, northwest corner, south of Marsh Trail 362 Comment
  UCD32431  Navarretia intertexta Calvin McMillan Date Unknown 597 Sonoma Sonoma County, Trinity Road, 6 miles northeast Glen Ellen. Comment
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1
  CAS-BOT-BC230372  Navarretia leucocephala subsp. bakeri Joseph Andorfer Ewan 1935-5-13 9249 Sonoma Along RR tracks, Wright School on Sebastopol road Comment
  JEPS70381  Navarretia leucocephala subsp. bakeri J. Ewan 1935-5-13 9249 Sonoma along RR. tracks Wright School (on Sebastopol road) Comment
  JEPS104972  Navarretia mellita Dean W. Taylor 1998-6-22 16681 Sonoma Geysers area, ca. 0.3 miles east along ridge from Eagle Rock Substation (ridge dividing Bear Canyon from Squaw Cr.) 792 Comment
  UC133770  Navarretia squarrosa Katharine Brandegee Aug 1892 Sonoma Petrified Forest Comment
  UCD48683  Navarretia squarrosa Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 48 Sonoma On bluff edge by lodge, possibly planted from wildflower mix; Unit 2 Owner's Map, Sea Ranch, near State Hwy. 1. Comment
  SEINET191457  Navarretia tagetina Lewis S. Rose 1940-5-22 40373 Sonoma Sonomoa 30 Comment
  UC1719859  Navarretia tagetina David Fruchter 1978-9-17 96 Sonoma Diamond D. Comment
  JEPS30771  Navarretia viscidula G. Thomas Robbins 1938-6-23 270 Sonoma ca 10 mi w Santa Rosa (just e of marsh on Pitkin ranch); Vine Hill Region Comment
  UC1094035  Navarretia viscidula Lewis S. Rose 1955-6-27 55109 Sonoma 10 mi w Santa Rosa (junction of Vine Hill and School Roads) 45 Comment
  UC353820  Navarretia viscidula Milo S. Baker 1928-6-28 3196 b Sonoma Pitkin Farm Comment
  UC972156  Navarretia viscidula Helen K. Sharsmith 1952-7-6 4178 Sonoma 12.2 mi w Skaggs Springs (Stewart's Point road) 579 Comment
  HSC49363  Nemophila menziesii R. York 1979-4-8 201 Sonoma Along Hwy. 128 305 Comment
  CAS-BOT-BC164404  Nicotiana Peter Rubtzoff 1965-8-29 5631 Sonoma Russian River bottom at Forest Hills, 5.5 miles East of Guerneville Comment
  SEINET7067235  Oenothera spiralis A. G. Vestal 1947-5-13 s.n. Sonoma Base of dunes, Bodega Head. Coordinate datum: NAD27. UTM Zone 10, 505861mE, 4250832mN. Comment
  CAS-BOT-BC500333  Orobanche uniflora subsp. occidentalis Elmer I. Applegate 1934-3-25 8849 Sonoma Sansal Creek, Pine Flat region, west slope Mayacmas Mountains Comment
  POM297985  Orthocarpus densiflorus A. A. Heller, H. E. Brown 1902-4-16 5307 Sonoma Fields east of Santa Rosa Comment
  RSA789046  Orthocarpus erianthus Carrie A. Herd 1982-3-16 25 Sonoma Santa Rosa, S.W. corner of Fulton and Piner Roads Comment
  RSA34065  Orthocarpus faucibarbatus var. albidus A. A. Heller 1930-5-14 15083 Sonoma Back of bluff north of Bodega Bay. Comment
  SD88310  Osmorhiza berteroi Darley F. Howe 1972-5-2 Sonoma Trail above Duncan Mills Pond. Comment
  UC21179  Osmorhiza berteroi F. T. Bioletti 1892-3-13 Sonoma Comment
  UCR222527  Osmorhiza chilensis George K. Helmkamp, E. A. Helmkamp 2010-6-5 16250 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  UC455385  Oxalis oregana I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  SEINET10494956  Oxalis oregana R. D. Sage 1992-1-10 Sage 13412 -2 Sonoma Collected along joy rd between bodega hwy and bittner rd, ca 2-6 km sw occidental. Comment
  CAS-BOT-BC316929  Packera greenei Mrs. H. C. Cantelow 1938-5-15 3434 Sonoma s. of The Geysers Comment
  UC91652  Packera greenei Brandegee May 1890 Sonoma Mt. St. Helena 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
  SEINET10849964  Panicum P. Rubtzoff 1968-9-21 Rubtzoff 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC1146580  Panicum acuminatum var. acuminatum Freed W. Hoffman 1941-6-15 2158 Sonoma Eckert Ranch near Salt Point; North Coast Ranges, near Salt Point Comment
  UC1146583  Panicum acuminatum var. acuminatum Freed W. Hoffman 1943-6-13 2040 Sonoma around hot springs, The Geysers (The Geysers); North Coast Ranges, The Geysers Comment
  UCD88704  Panicum acuminatum var. fasciculatum Peter Kamb; Francia Chisaki 1950-6-16 1852 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners. South end of marsh. Comment
  CAS-BOT-BC253773  Panicum capillare Peter Rubtzoff 1971-10-11 6719 Sonoma Russian River, Forest Hills, 5.5 miles E of Guerneville Comment
  UC39250  Panicum miliaceum subsp. miliaceum E. M. Smith 1898-8-9 Sonoma Kenwood Comment
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Mar 30 2009
  UCD15833  Parentucellia viscosa K. Mawdsley 1998-6-30 42 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco. 10 air miles E of Santa Rosa. 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Meadow Trail about 100 yds west of Education Center and gate. 350 Comment
  SEINET10717816  Paspalum P. Rubtzoff 1971-8-31 Rubtzoff 6662 Sonoma Todd Road, near Stony Point Road. Comment
  RSA784153  Paspalum dilatatum Peter Rubtzoff 1971-8-23 6654 Sonoma Meacham Road, 0.35 miles S of Stony Point Road. Comment
  UC727743  Paspalum dilatatum Milo S. Baker 1946-8-17 11552 Sonoma ca 1 1/2 mi w of town Cunningham (Upland near the Joe Cunningham Marsh) Comment
  CAS-BOT-BC265689  Paspalum distichum Peter Rubtzoff 1954-7-29 1600 Sonoma Guerneville Marsh Comment
  UCD148512  Paspalum distichum Peter Rubtzoff 1965-8-16 5607 Sonoma Russina River margin at Forest Hills (5.5 miles E of Guerneville). Comment
  CAS-BOT-BC202871  Paxistima myrsinites H. L. Mason 1934-4-28 8079 Sonoma Dohrman Creek at head of Jenson's Ranch Comment
  CAS-BOT-BC257365  Pelargonium Peter Rubtzoff 1974-6-9 7585 Sonoma Upper Green Valley Marsh area. Comment
  UCD165877  Pelargonium capitatum Peter Rubtzoff 1970-10-29 6424 Sonoma Bodega Harbor Marsh. Comment
  UCD168038  Pellaea andromedifolia James A. Neilson Jr. 1981-3-13 3991 Sonoma Mayacmas Mountains, east tributary of Hummingbird Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  CDA17203  Pellaea mucronata G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16202 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  POM23403  Pellaea mucronata Anonymous 1893-03 12676 Sonoma Hoods Peak Comment
  UCD160868  Penstemon heterophyllus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3292 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
  NY811992  Penstemon heterophyllus var. heterophyllus J. L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 miles south of Trinity Road and about 5 miles northeast of California Highway 12, about 13 airline miles southeast of Santa Rosa 640 Comment
  UC35607  Pentachaeta alsinoides F. T. Bioletti 1893-5 Sonoma Comment
  UCD151298  Perideridia kelloggii James A. Neilson Jr. 1974-7-25 2896 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 Comment
  UCD127636  Perideridia kelloggii Frederica Bowcutt 1997-7-19 2192 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.75 air mile S of Red Mountain, 0.5 air miles NNW of confluence of the Malm Fork, 1.0 air miles WSW of Brushy Peaks. 457 Comment
  CAS-BOT-BC413657  Persicaria amphibia Peter Rubtzoff 1963-7-6 5197 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Rd. crossing Comment
  CAS-BOT-BC418893  Persicaria hydropiperoides John Thomas Howell 1946-8-17 22856 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC419109  Persicaria lapathifolia Peter Rubtzoff 1962-10-23 5127 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC540804  Persicaria pensylvanica Peter Rubtzoff 1973-9-9 7325 Sonoma Kenwood Marsh. Comment
  UCD98395  Petrorhagia nanteuilii Rimo Bacigalupi; G. T. Robbins, F. Hoffman 1956-5-31 5676 Sonoma along secondary road following Big Austin Creek, at base of 'The Butcher Knife' (R12W). 182 Comment
  UCD98398  Petrorhagia nanteuilii Botany 102 Students 1993-5-8 285 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. In Adobe Canyon N of Sugarloaf Ridge. Bald Mountain Trail less than 1 air mile S of Red Mountain, N of Sonoma Creek. 487 Comment
  SD64435  Phacelia californica Darley F. Howe 1966-6-2 Sonoma 5.0 miles south of Bodega Bay. Comment
  UC1047008  Phacelia californica L. R. Heckard and P. C. Silva 1952-4-14 219 Sonoma along state hwy 1 just s Goat Rock Comment
  CDA40384  Phacelia distans T. C. Fuller 1958-5-24 4020 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  UC881084  Phacelia distans Alice Eastwood 1915-6-29 4848 Sonoma near type locality Bodega Point Comment
  RSA177903  Phacelia distans Robert F. Thorne 1965-4-20 34358 Sonoma On Cavedale Road, half mile up from State Highway 12, ca. four miles north of Sonoma. 244 Comment
  UCD120407  Phacelia distans John Thomas Howell 1935-5-5 12622 Sonoma Mouth of Sonoma Creek Canyon. Comment
  JEPS1968  Phacelia egena F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  UC1348893  Phacelia imbricata Robert F. Thorne 1965-4-20 34390 Sonoma Los Alamos Rd ca 1-2 mi ne State Hwy 12 Comment
  UCD160115  Phacelia imbricata James A. Neilson Jr. 1973-6-3 3117 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  SEINET12327821  Phacelia imbricata F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -082 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  UC933819  Phalaris angusta Leo Koch 1940-4-22 827 Sonoma at Geysers in Sulfur Creek Canyon; , Geysers Comment
  UCR248889  Phalaris aquatica Peter Rubtzoff 1975-7-3 8149 Sonoma Kenwood Marsh 120 Comment
  SEINET11690289  Phalaris aquatica J. T. Howell, Knight, W.; Knight, I. 1986-1 6125 Sonoma Llano Road between Growenstein Hwy and Todd Road Comment
  CAS-BOT-BC259022  Phalaris californica H. S. Yates 1936-5-16 5618 Sonoma Near Green Valley School 91 Comment
  SEINET10662674  Phalaris lemmonii P. Rubtzoff 1972-6-23 Rubtzoff 6784 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC265941  Phalaris minor Peter Rubtzoff 1962-6-13 4904 Sonoma Freestone Marsh Comment
  UCR255672  Phalaris paradoxa Greg de Nevers 1998-6-28 11295 Sonoma Laufenberg Ranch, Spencer Lane, Knights Valley 143 Comment
  HSC101099  Phalaris paradoxa Peter Warner 2011-8-10 227 Sonoma Jenner Headlands property, Muniz Ranch Rd., about 0.5 mi. N from Hwy. 1 intersection. 55 Comment
  JEPS128214  Phlox speciosa Roger Raiche 2002-5-26 009 .02 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC6100  Phoradendron villosum F. T. Bioletti 1891-12-25 Sonoma Sonoma Comment
  UC1981710  Phyllospadix R. Ghelardi 1962-10-19 550 Sonoma Horseshoe Cove Comment
  UC1977004  Phyllospadix scouleri H. W. Johansen 1963-5-26 1153 Sonoma Bodega Head. S. Shsore, Horseshoe C. Comment
  UC66137  Physocarpus capitatus A. A. Heller 1902-6-4 5647 Sonoma near Santa Rosa Comment
  SEINET5500932 Image available Pickeringia montana Sally Walker 1981-5-13 Sonoma 2 mi E of Occidental Comment
  CAS-BOT-BC202286  Pickeringia montana var. montana Severin A. Baumann 1953-7-4 14 Sonoma Along edge of road connecting Oakville and Boyes Springs, ca. 5 mi. from Boyes Springs 304 Comment
  RSA796390  Picris echioides Peter Rubtzoff 1973-8-20 7221 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA796384  Picris echioides Peter Rubtzoff 1964-8-26 5489 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 Comment
  HSC100961  Pilularia americana Peter Warner, Sarah Gordon 2011-5-16 200 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), 175 m E144 deg. S from swimming pool. 0 Comment
  UCD134384  Pinus attenuata J. M. Tucker 1951-6-26 2142 Sonoma Near Top of the World Ranch, about 5 miles due east of Glen Ellen. Comment
Read comments
Nov 30 2017
  NY61622  Pinus lambertiana Collector unspecified s.n. Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  JEPS87245  Pisum sativum Jack and Betty Guggolz 1991-5-20 1139 Sonoma about 1 mi s Asti (on w side of Highway 101) 97 Comment
  CAS-BOT-BC166956  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  RSA785154  Plagiobothrys Peter Rubtzoff 1969-5-3 6016 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  CAS-BOT-BC154995  Plagiobothrys Peter Rubtzoff 1970-5-16 6219 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC157652  Plagiobothrys Peter Rubtzoff; H. A. Froebe 1971-5-16 6455 Sonoma Duncans Mills Marsh. Comment
  UC730024  Plagiobothrys Leo F. Koch 1940-4-24 846 Sonoma just n Warfield Station Comment
  UC1601345  Plagiobothrys bracteatus Milo S. Baker 1898-5-7 629 Sonoma Glen Ellen Comment
  UCD120776  Plagiobothrys bracteatus G. F. Hrusa; R. Gross 1996-6-30 13066 Sonoma Permanent spring-derived pool at W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. 700 Comment
  UCR279864  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-16 6218 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  RSA785667  Plagiobothrys bracteatus Peter Rubtzoff 1971-5-8 6430 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mi west of Arnold Drive. Comment
  UCD160140  Plagiobothrys nothofulvus James A. Neilson Jr. 1974-3-27 3015 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  RSA0008557  Plagiobothrys reticulatus Roxana S. Ferris, L. Lorraine 1961-6-14 13541 Sonoma Willow Creek road between Occidental and Jenner, 5.7 miles from Jenner Comment
  UC353910  Plagiobothrys stipitatus Milo S. Baker 1927-4-9 2053 a Sonoma ca 1 mi w Monroe School House (Forestville Road) Comment
  RSA128349  Plagiobothrys stipitatus P. H. Raven 1950-4-6 1565 Sonoma Cotati to Santa Rosa. 30 Comment
  UCD121027  Plagiobothrys tenellus Beecher Crampton 1955-4-5 2410 Sonoma 3 miles west of Fulton, along Woolsey Road, below Mt. Olivet School. Comment
  UCD37562  Plagiobothrys tenellus Beecher Crampton 1955-4-5 2409 Sonoma 3 miles west of Fulton, along Woolsey Road, just below Mount Olivet School. Comment
  RSA783847  Plagiobothrys undulatus Peter Rubtzoff 1976-6-5 8582 Sonoma False Lake Meadow area, Annadel State Park. Comment
  RSA783738  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  CAS-BOT-BC376290  Plantago Greg de Nevers 1992-6-16 10172 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek 304 Comment
  RSA634964  Plantago coronopus Michael A. Vincent, Ethan H. Freid 1998-4-8 8175 Sonoma Bodega Bay, Bodega Bay Marine Reserve, off Bodega Road, Bodega Head Comment
  UCD158728  Plantago lanceolata Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 2 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 853 Comment
  CAS-BOT-BC258382  Plantago major Peter Rubtzoff 1973-10-3 7331 Sonoma 0.75 miles northwest of Freestone. Comment
  UCR280190  Plantago subnuda Peter Rubtzoff 1958-8-23 3907 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 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
  UC118467  Platystemon californicus Alice Eastwood Apr. 1901 Sonoma Bodega Comment
  JEPS77873  Pleuropogon californicus Robert M. Lloyd 1965-5-8 3636 Sonoma se of Sebastepol (about 4 mi n of Route 116, Upper portion of Laguna de Santa Rosa Marsh, e of Cunningham); Laguna de Santa Rosa Marsh Comment
  UCD150838  Pleuropogon californicus Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  RSA0057956  Pleuropogon californicus Greg de Nevers 1998-4-28 11207 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge. Comment
  CAS-BOT-BC260982  Pleuropogon californicus var. californicus David L. Morgan 1956-5-17 s.n. Sonoma Watmaugh Road 1/2 mile west of junction of Arnold Drive Comment
  RSA337035  Pleuropogon californicus var. californicus Paul But, Raymond Auyeung 1975-5-17 P 40 Sonoma On Llano Road, 1/4 mile from Highway 12, 2 miles northeast of Sebastopol. Comment
  UCD90189  Pleuropogon californicus var. californicus R. Tofsrud 1947-4-6 s.n. Sonoma Santa Rosa, off Hoen Avenue. Larry King's place. 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
  SEINET190470  Pneumonanthe oregana Unknown 1941-6-22 1638 Sonoma 3.3 miles east of Bay (Bodega Bay). 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
  RSA796695  Poa annua Peter Rubtzoff 1989-4-30 9990 Sonoma Near Russian River, ca. 6 mi east of Guerneville, at 9850 River Road. Comment
  UCD90366  Poa annua Gerry North 1993-4 4 Sonoma Sugarloaf Ridge State Park. About 50 miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At Goodspeed trailhead pullout. 213 Comment
  HSC10653  Poa bulbosa C. S. Chavez 1965-4-19 45 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  UCD91043  Poa douglasii Freed W. Hoffman 1944-7-2 1983 Sonoma near entrance to Bodega Bay. Comment
  CAS-BOT-BC243248  Poa secunda subsp. secunda John Thomas Howell; et al. 1982-4-28 54668 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  JEPS45816  Poa secunda subsp. secunda Eleanor Armstrong 1932-5-19 163 Sonoma 1/4 mi n Santa Rosa 60 Comment
  UC1024766  Poa secunda subsp. secunda Leo Whitney 1935-3-16 2266 Sonoma near Occidental Occidental Comment
  CAS-BOT-BC244196  Poa trivialis Peter Rubtzoff 1960-6-8 4466 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC422361  Poa trivialis Peter Rubtzoff 1974-6-2 7526 Sonoma Upper Green Valley Marsh. Comment
  UCD144432  Poa trivialis Frederica Bowcutt 1994-7-5 1942 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 S edge of Sonoma Creek just upstream from confluence with Bear Creek. Immed. E of Goodspeed Trail Bridge over Sonoma Creek. 225 Comment
  RSA0062829  Poaceae Greg de Nevers 1989-6-8 9078 Sonoma Pepperwood Ranch, 3450 Fraz Valley Rd., Santa Rosa. 100 Comment
  RSA244745  Pogogyne douglasii subsp. parviflora Peter Rubtzoff 1971-6-23 6549 Sonoma 4.25 miles west of Glen Ellen Comment
  RSA177923  Polygala californica Robert F. Thorne 1965-4-20 34371 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  CAS-BOT-BC376404  Polygonum Greg de Nevers 1996-9-2 10871 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Kitchen Creek below Silva's. 400 Comment
  CAS-BOT-BC210114  Polygonum Peter Rubtzoff 1955-5-7 1823 Sonoma Guerneville Marsh. Eastern extension of the Marsh along Pocket Canyon. Comment
  CAS-BOT-BC258038  Polygonum Peter Rubtzoff 1975-8-28 8363 Sonoma Kenwood Marsh. Comment
  UCD166307  Polygonum Peter Rubtzoff 1966-8-25 5810 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  JEPS87241  Polygonum amphibium var. stipulaceum Jack and Betty Guggolz 1992-6-22 1318 Sonoma pond in cattle pasture se Bloomfield Road 36 Comment
  UCR248762  Polygonum aviculare Peter Rubtzoff 1966-8-25 5802 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  CAS-BOT-BC109250  Polygonum paronychia Catherine Best 1981-5-2 s.n. Sonoma South side of the mouth of the Russian River. Comment
  UC727707  Polygonum punctatum Milo S. Baker 1946-8-17 11561 Sonoma The Laguna; at crossing of the Occidental Rd Comment
  UC1063655  Polypodium E. Armstrong 1934-3-26 918 Sonoma 1 mi w Camp Meeker; Sebastopol Quadrangle 121 Comment
  CAS-BOT-BC72013  Polypodium californicum Margot Lowry 1983-5-1 42 Sonoma Ca. one mile from top of Sonoma Mtn. Rd. on Sonoma Mtn., along roadside 500 Comment
  POM22455  Polypodium californicum A. A. Heller 1902-3-10 5011 Sonoma Hills near Santa Rosa Comment
  UCD55140  Polypodium glycyrrhiza Ellen Dean; Tammie Beyerl 2006-4-28 3022 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 179 Comment
  UC42912  Polypodium scouleri F. T. Bioletti 1892-7-6 Sonoma Gualala River Comment
  CAS-BOT-BC320505  Polypogon Peter Rubtzoff 1973-8-21 7249 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC233197  Polypogon interruptus Peter Rubtzoff 1951-6-16 220 Sonoma Pitkin Marsh, near Forestville. N half of Lower Marsh Comment
  CAS-BOT-BC237399  Polypogon monspeliensis Greg de Nevers 1981-6-6 1494 Sonoma Pepperwood Ranch. On the S slope of Telegraph Hill, E of the road, above the cow trough Comment
  CAS-BOT-BC237408  Polypogon monspeliensis Peter Rubtzoff 1956-9-11 2847 Sonoma Vacation Beach, near Guerneville, Russian River bottom Comment
  CAS-BOT-BC237411  Polypogon monspeliensis Peter Rubtzoff 1959-8-30 4240 Sonoma Drake's Beach, near Guerneville, Russian River Comment
  UCD91338  Polypogon monspeliensis P. B. Kennedy 1920-6-16 X 3252 Sonoma Santa Rosa; Field -- Campus -- Berkeley Comment
  UCD91353  Polypogon monspeliensis David L. Morgan 1955-6-27 s.n. Sonoma Porter's Gulch, between Soquel and Aptos. 15 Comment
  CAS-BOT-BC311810  Polypogon viridis Peter Rubtzoff 1973-8-20 7225 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCR248739  Polypogon viridis Peter Rubtzoff, Nancy Harrison 1974-9-7 7879 Sonoma Hinebaugh Creek in Rhonert Park, in creek bed east of Commerce Blvd. crossing 30 Comment
  UC71449  Polystichum Bioletti 1894-12-25 Sonoma Graham Canyon Comment
  CAS-BOT-BC72166  Polystichum californicum Walter Knight; Irja Knight; Phyllis Ellman 1986-11-13 5850 Sonoma Bouverie Audubon Preserve, 3/4 mi E of parking lot along fire road 45 Comment
  JEPS33241  Polystichum californicum F. T. Bioletti 1892-5-31 Sonoma Hood's Peak Comment
  UC2031961  Polystichum californicum Wendy Born July 2012 Sonoma Armstrong Redwoods State Park, along the road to the Pack Station about 3/4 the way up (immediately across road from large downed tree, on right side of road) Comment
  SEINET11718544  Polystichum californicum W. Knight, Knight, I.; Edwards, S. W. 1986-1 5509 Sonoma 2.75 mi from end of Mill Creek Road Comment
  SEINET11720937  Polystichum dudleyi F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -63 Sonoma Glen Ellen area, junction Warm Springs Road & Sonoma Mt. Road along Graham Creek Comment
  SBBG298  Polystichum munitum H. and M. Dearing 1939-5-15 3386 Sonoma N of Fort Ross Comment
  RSA12253  Polystichum munitum C. B. Wolf 1934-6-29 5798 Sonoma 6/10 mile inland from Stewarts Point. 61 Comment
  CAS-BOT-BC108549  Populus balsamifera Peter Rubtzoff 1986-8-31 9737 Sonoma On river bank off Summerhome Park road 0.2 mile west of Forest Hills Road Comment
  CAS-BOT-BC102671  Populus fremontii Irja Knight; Walter Knight 1964-11-9 802 Sonoma Odds Fellows Park on Russian River Comment
  CAS-BOT-BC445296  Portulaca oleracea Peter Rubtzoff 1961-8-25 4713 Sonoma Forest Hills (on Russian River) east of Guerneville. Comment
  CAS-BOT-BC445300  Portulaca oleracea G. DeNevers 1981-7-1 1742 Sonoma Pepperwood Ranch. In Pippindale Garden. 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-BC452162  Potamogeton diversifolius Peter Rubtzoff 1962-6-8 4877 Sonoma Bennett Mtn. Lake. Comment
  UCD166102  Potamogeton foliosus Peter Rubtzoff 1971-9-1 6667 Sonoma Spring Creek Reservoir area, east of Santa Rosa. 87 Comment
  CAS-BOT-BC453750  Potamogeton natans Peter Rubtzoff 1955-8-13 2040 Sonoma Duncans Mills Marsh. Comment
  RSA800334  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh. Comment
  UCD165769  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh area. Comment
  RSA800785  Potamogeton nodosus Peter Rubtzoff 1971-9-1 6669 Sonoma Spring Creek Reservoir area Comment
  UCD113699  Potentilla anserina subsp. pacifica Terri Williamson 1990-5-20 49 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  CAS-BOT-BC141958  Potentilla anserina subsp. pacifica Peter Rubtzoff 1954-7-26 1556 Sonoma Coleman Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC516394  Prosartes hookeri A. A. Heller; H. E. Brown 1902-3-27 s.n. Sonoma Western base of Mt. Hood Comment
  SEINET12051396  Prosartes hookeri F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -231 Sonoma ca 0.1 mi W on Sonoma Mt. Rd. from Bennett Valley Rd. along Graham Creek, W of Glen Ellen & CA 12 75 Comment
  UCD36685  Prunella vulgaris Beecher Crampton 1955-6-17 2934 Sonoma 0.5 mile south of Guerneville. Comment
  CAS-BOT-BC356930  Pseudognaphalium californicum Alice Eastwood 1915-6-29 4813 Sonoma Bodega Point Comment
  UCD134982  Pseudognaphalium ramosissimum P. G. Connors 1994-8-10 329 Sonoma Bodga Marine Laboratory. Comment
  UCD133693  Pseudognaphalium stramineum Frederica Bowcutt 1984-6-23 414 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. W of Highway 1. Immediately N of Gerstle Cove near large parking lot. 15 Comment
  UCD148405  Pseudognaphalium stramineum Peter Rubtzoff 1958-8-16 3884 Sonoma Laguna de Santa Rosa, north of Sepastopol, near Occidental Road. Comment
  CAS-BOT-BC80183  Pseudotsuga menziesii Peter Rubtzoff 1951-8-18 636 Sonoma Western branch of the Upper Marsh Comment
  UCD133373  Pseudotsuga menziesii var. menziesii Beecher Crampton 1960-10-10 5789 Sonoma 5 miles northwest of Calistoga, Franz Valley, along Highway 128. Comment
  UCD55065  Pseudotsuga menziesii var. menziesii Ellen Dean; California Department of Forestry Personnel 2006-4-26 3004 Sonoma Top of Mt. St. Helena. 1319 Comment
  UCD135120  Pseudotsuga menziesii var. menziesii Mary M. Hektner 1974-7-10 143 Sonoma Unit 35-B Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR280128  Psilocarphus Peter Rubtzoff 1964-7-7 5389 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC166710  Psilocarphus Peter Rubtzoff 1959-6-20 4150 Sonoma Willow Creek Marsh Comment
  RSA784565  Psilocarphus Peter Rubtzoff 1966-5-30 5746 Sonoma Laguna de Santa Rosa, northwest of Graton, at end of Piner Road Comment
  UCD166218  Psilocarphus Peter Rubtzoff 1970-5-30 6249 Sonoma 5 miles north of Sear Point. Comment
  UCD167966  Psilocarphus James Neilson 1977-6-12 3921 Sonoma Mayacmas Mountains, McMicking Ranch, well site 2. (McMicking Ranch is also known as Santa Angelina Ranch and is in the vicinity of Knights Valley and Coon Creek.) Comment
  UC1201280  Pteridium aquilinum var. pubescens E. Samuels 231 Sonoma Comment
  UCR254916  Pterostegia drymarioides Greg de Nevers 1998-6-8 11271 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD19519  Pterostegia drymarioides Terry Reedy 1974-5-11 219 Sonoma Bodega Head. 9 Comment
  JEPS22240  Quercus Rimo Bacigalupi 1958-11-23 6961 Sonoma 4 mi s Healdsburg (at junction of Arata Road and U.S. Highway 101, on property of Fred H. Clemens) Comment
  CAS-BOT-BC94230  Quercus X eplingii Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5139 Sonoma Pine Mountain Rd. 304 Comment
  CAS-BOT-BC94234  Quercus X eplingii Peter H. Raven 1955-8-27 8757 Sonoma 3.2 mi N of Sears Point on State Route 37 Comment
  UCD46208  Quercus X howellii Shannon Murphy 2001-8-1 s.n. Sonoma (Q. garryana Hook. X Q. berberidifolia Liebm.). Sonoma County: Austin Creek State Park. Dry slope. 150 Comment
  CAS-BOT-BC104296  Quercus X morehus D. E. Breedlove 1976-3-27 39441 Sonoma along Dry Creek Road, ca. 3 miles past Warm Springs Dam Comment
  UC424768  Quercus X morehus Milo S. Baker Jun 1929 3570 b Sonoma near Vine Hill School House Comment
  UC424815  Quercus X morehus unknown 1930-3-1 3880 Sonoma Vine Hill Region, on <?>rei Ranch Vine Hill Region Comment
  SEINET12029927  Quercus X morehus W. Knight, Knight, I.; Howell, J. T. 1984-1 5081 Sonoma 1.85 mi up Cavedale Rd. from hwy 12 130 Comment
  CAS-BOT-BC61632  Quercus agrifolia Irja Knight; Walter Knight 1964-11-15 794 Sonoma along road half way up Hood's Peak Comment
  JEPS37712  Quercus agrifolia W. L. Jepson 1902-11-12 Sonoma Cloverdale Comment
  UC1193301  Quercus agrifolia R. H. Neuns 1950-4-26 96 Sonoma 5 mi w Geysers (Sulphur Creed Rd, Quad 60B3) 487 Comment
  UC1193267  Quercus berberidifolia R. H. Neuns 1950-5-3 101 Sonoma 6 mi e Geyserville 426 Comment
  UCD45209  Quercus berberidifolia Roman Gankin 1967-10-4 1078 1 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  UC478891  Quercus chrysolepis Marcus E. Jones, A. M. 1931-8-3 28846 Sonoma Cloverdale Comment
  CAS-BOT-BC86008  Quercus douglasii Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5391 Sonoma Pine Mountain rd. Comment
  UCD165505  Quercus durata J. B. Spring and R. W. Lundh 1932-6-27 88 Sonoma California, Sonoma County: Santa Rosa, CA, 1.5 mi. south of McCormack Ranch. (Exact location unknown, coordinates estimated by label maker.) 754 Comment
  UC1193250  Quercus garryana P. Zinke 112 Sonoma Pine Mt. Road Comment
  UC424818  Quercus garryana Milo S. Baker 1927-11-5 2503 b Sonoma 2-3 mi w Skagg's Springs Hwy. Comment
  SEINET13953407 Image available Quercus garryana G. Thomas Robbins 1940-1 307 Sonoma Rincon Ridge ca. 6 mi ne of Santa Rosa 168 Comment
  OBI14248  Quercus kelloggii Robert F. Hoover 1969-9-1 11570 Sonoma Comment
  OBI4985  Quercus kelloggii Lewis S. Rose 1964-6-27 64058 Sonoma 2 mi N of Sonoma 274 Comment
  POM188375  Quercus kelloggii Marcus E. Jones 1931-7-5 28847 Sonoma The Geysers. Comment
  UCSB1177  Quercus kelloggii Haller, John 1960-5-28 Sonoma 2.5 miles northwest of U.S. 101, 3.5 miles northwest of Cloverdale on California 128 152 Comment
  CAS-BOT-BC62801  Quercus lobata Peter Rubtzoff 1951-8-18 637 Sonoma Pitkin Marsh, near Forestville, Western branch of the Upper Marsh Comment
  UCD46789  Quercus lobata G. L. Stebbins Jr. 1945-10-7 3585 Sonoma 2 miles northwest of Kenwood. Comment
  CDA11187  Quercus wislizeni var. frutescens G. F. Hrusa 1989-1-2 5804 Sonoma North Coast Biodiversity Arena; NW side of Mt. St. Helena, midway up Ida Clayton Rd from Hwy 128. Comment
  CDA130  Quercus wislizeni var. wislizeni D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .282 Sonoma Cavedale Rd. Comment
  UCR254942  Rafinesquia californica Greg de Nevers 1997-4-16 10944 Sonoma North Coast Range, Moon Mountain Road [NNW of Sonoma] 396 Comment
  CAS-BOT-BC379125  Ranunculus aquatilis var. diffusus Peter Rubtzoff 1962-8-22 5057 Sonoma Bodega Bay Marsh Comment
  SDSU10098  Ranunculus californicus D. F. Howe 1972-4-28 4814 Sonoma Trinity Road, Mt. Hood Range. 122 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
Read comments
Oct 18 2018
  POM268390  Ranunculus californicus Lyman Benson 1928-3-28 597 Sonoma Santa Rosa, N coast 91 Comment
  SEINET12089665  Ranunculus californicus Unknown 1980-1 18 Sonoma Skaggs Springs Quad. T10N R11W Sec. 7 61 Comment
  UCD95929  Ranunculus californicus Beecher Crampton 1973-5-5 8929 Sonoma Sonoma Coast State Park at Carment. Comment
  UCD95980  Ranunculus californicus Rimy Waraich; Patti Togioka, Valerie Bullock 1993-5-8 223 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 Pony Gate Trail. 365 Comment
  UCSB50246  Ranunculus californicus Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach. T6N R11W. 15 Comment
  CAS-BOT-BC378686  Ranunculus californicus var. californicus John H. Thomas 1976-6-16 18272 Sonoma southern part of Sea Ranch, northwestern part of county, about 7 mi south of Gualala Comment
  RSA82770  Ranunculus californicus var. cuneatus R. Miller 1949-4-6 28 Sonoma along coast beside Hwy1, 5 miles S of Jenner Comment
  RSA785702  Ranunculus lobbii Carrie A. Herd 1982-3-16 26 Sonoma Santa Rosa, Todd Road Preserve Comment
  POM163785  Ranunculus muricatus Rimo Bacigalupi 1926-4-30 1368 Sonoma Cagadero Comment
  POM268847  Ranunculus muricatus R. C. Bacigalupi 1926-5-2 1368 Sonoma Cazadero. Comment
  UCD144424  Ranunculus muricatus Caitlin Lewis; William Mutch 1993-4-17 7 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain 1 mile. Near visitor center. 365 Comment
  POM281530  Ranunculus orthorhynchus var. bloomeri J. W. Congdon 1880-04 s.n. Sonoma Petaluma. Comment
  RSA155471  Ranunculus orthorhynchus var. platyphyllus L. S. Rose 1962-6-1 62063 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  JEPS18121  Ranunculus pusillus Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-31 5677 Sonoma above Canyon of Big Austin Creek (4 mi n of Cazadero, above Arroyo Gun Club); Onion Pond 154 Comment
  SD88304  Ranunculus uncinatus Darley F. Howe 1972-5-2 4920 Sonoma Trail above Duncan Mills Pond Comment
  RSA178029  Rhamnus tomentella subsp. tomentella Robert F. Thorne 1965-4-19 34285 a Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC53746  Rhododendron columbianum Ella Dales Cantelow 1941-6-7 3643 Sonoma 5 mi. n. of Fort Ross. Hwy 1 Comment
  UCD117843  Rhododendron columbianum Mary M. Hektner 1976-5-10 252 Sonoma Along State Highway 1, Unit 35-A Owners' Map, Sea Ranch. Comment
  SBBG5547  Rhododendron neoglandulosum J. M. Tucker 1958-5-24 3387 Sonoma NW end of Pitkin Marsh, ca. 1.25 mi ESE of Forestville Comment
  UC1299570  Rhododendron occidentale Freed W. Hoffman 1946-9-26 569 Sonoma Layton Mine, Austin Creek Austin Creek; North Coast Ranges, Layton Mine, Austin Creek Comment
  CAS-BOT-BC200337  Rhododendron occidentale var. occidentale A. A. Heller 1902-6-24 5749 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC200343  Rhododendron occidentale var. occidentale Peter Rubtzoff 1970-6-6 6254 Sonoma Bloomfield Road. 4 1/4 mi. northeast of Bloomfield Comment
  CHSC114305  Rhododendron occidentale var. occidentale G. F. Hrusa 1989-5-8 7006 Sonoma North Coast Ranges. Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  RSA90513  Rhynchospora alba Milo S. Baker 1945-7-18 11113 Sonoma Pitkin Marsh, upper bog Comment
  CAS-BOT-BC6187  Rhynchospora californica John Thomas Howell 1936-7-26 12679 Sonoma Pitkin Marsh, 5 miles N of Sebastopol Comment
  CHSC65438  Rhynchospora californica J. T. Howell 1945-7-18 21321 Sonoma Pitkin Marsh. Comment
  RSA74058  Rhynchospora californica Milo S. Baker 1945-7-18 11112 Sonoma Pitkin Marsh, upper bog Comment
  CAS-BOT-BC111903  Rhynchospora capitellata Peter Rubtzoff 1951-9-2 726 Sonoma Pitkin Marsh; lower part of the upper marsh. Comment
  CAS-BOT-BC111937  Rhynchospora recognita Peter Rubtzoff 1951-7-22 530 Sonoma Pitkin Marsh, Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC93056  Ribes californicum var. californicum Dorothy Scherer 1996-3-25 021 Sonoma Northeast corner of Park, ca. 500 feet west of Seaview Road, Fort Ross State Historic Park. 451 Comment
  CAS-BOT-BC93060  Ribes californicum var. californicum Greg de Nevers 1981-3-14 531 Sonoma Pepperwood Ranch. Pippindale Farm, 7 miles northwest of Santa Rosa, near Mark West Lodge. Comment
  CAS-BOT-BC169267  Ribes divaricatum Lewis S. Rose 1962-4-11 62018 Sonoma Laguna de Santa Rosa 1/2 mi. e of Cunningham 15 Comment
  UCR255687  Ribes divaricatum Greg de Nevers 1998-4-27 11204 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  CAS-BOT-BC168994  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1954-6-19 1492 Sonoma Guerneville Marsh 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-BC198925  Ribes roezlii var. cruentum Amy Heggie 1943-3-7 s.n. Sonoma Near Agua Caliente. Comment
  RSA0024608  Ribes roezlii var. cruentum A. A. Heller 1903-4-24 6615 Sonoma Woods near Cazadero. 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
  UC79623  Ribes victoris Michener and Bioletti Apr. 1893 Sonoma Adobe Canyon Comment
  RSA785734  Romanzoffia californica Carrie A. Herd 1982-3-28 59 Sonoma Scagg Springs Road; 10.1 miles from Scagg Springs Road Bridge no. 1. Comment
  UC1069441  Romanzoffia californica E. Armstrong 1934-3-26 915 Sonoma 2 mi. n.w. Camp Meeker; Sebastopol Quad. 91 Comment
  UCR255044  Rorippa Greg de Nevers 1992-5-5 10141 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  CAS-BOT-BC488331  Rorippa curvisiliqua Ayzik Solomeshch 2009-5-14 s.n. Sonoma 2.3 km SE of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1 22 Comment
  CAS-BOT-BC74694  Rorippa curvisiliqua Peter Rubtzoff 1955-9-10 2143 Sonoma Vacation Beach, near Guernville. Bank of Russian River. Comment
  CAS-BOT-BC74701  Rorippa curvisiliqua Peter Rubtzoff 1958-9-27 4010 Sonoma Laguna de Santa Rosa northeast of Graton (0.5 mile north of Guerneville Road). Comment
  CAS-BOT-BC376306  Rorippa sinuata Greg de Nevers 1992-5-13 10148 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Turtle Pond. 400 Comment
  CAS-BOT-BC368001  Rosa Greg de Nevers 1989-6-8 9075 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 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-BC152667  Rosa californica Greg de Nevers; M. Harding 1981-7-11 1745 Sonoma Skovie, Pepperwood Ranch Comment
  CAS-BOT-BC148195  Rosa rubiginosa Lewis S. Rose 1955-10-24 55188 Sonoma Two Rock 30 Comment
  CAS-BOT-BC148201  Rosa rubiginosa Peter Rubtzoff 1957-8-17 3514 Sonoma Occidental Marsh Comment
  UCD160865  Rosa spithamea James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3265 Sonoma Mayacmas Mountains, Caldwell Pines, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UC903753  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma top of Rose Butte Hood Mt. (west slop of) 243 Comment
  CAS-BOT-BC262811  Rubus Peter Rubtzoff 1964-6-3 5349 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC262827  Rubus Peter Rubtzoff 1964-6-3 5346 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC262848  Rubus Peter Rubtzoff 1954-7-28 1591 Sonoma Guerneville Marsh; northwestern end of marsh. Comment
  UCD166417  Rubus Peter Rubtzoff 1964-6-3 5346 Sonoma Bodega Bay Marsh. Comment
  RSA54149  Rubus parviflorus var. bifarius Alice Eastwood, John T. Howell 1939-6-11 7411 Sonoma Near Triniti P. O. Hood Mtn range. Comment
  SEINET11910988  Rubus procerus F. H. Utech 1986-1 86 -118 Sonoma ca 6 mi NE on Cavedale Road from junction with CA 12 600 Comment
  UCD113815  Rubus spectabilis Mary M. Hektner 1974-6-2 12 Sonoma paralleling Fish Rock Road, just below Leeward Road, Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD17814  Rubus ursinus H. Olmo 8-10 May 1962 62 09 Sonoma California. Sonoma County: 1.5 miles east of Fort Ross on road to Cazadero. Comment
  UCR279879  Rumex Peter Rubtzoff 1964-7-29 5452 Sonoma Central Coast, Bodega Bay Marsh 15 Comment
  RSA790986  Rumex Peter Rubtzoff 1958-7-19 3756 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD166089  Rumex Peter Rubtzoff 1971-6-29 6579 Sonoma Pitkin Marsh, Area 27. Comment
  UCD101015  Rumex acetosella Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 29 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR178427  Rumex acetosella Frederica Bowcutt 1994-5-21 1827 Sonoma Sugarloaf Ridge State Park, c. 40 air mi N of San Francisco and c. 11 air mi east of Santa Rosa; c. 2.5 air mi NE of Kenwood; c. 18 air mi NW of Napa. Meadow trail and Gray Pine (Digger Pine) trail, 1 mile from trailhead 396 Comment
  CAS-BOT-BC422230  Rumex acetosella A. A. Heller 1902-6-7 5655 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  UCD101040  Rumex acetosella P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC422298  Rumex californicus J. W. Congdon 1880-6-14 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC421580  Rumex crassus Mary P. Wells 1982-7-5 s.n. Sonoma Salmon Beach Parking Lot Comment
  CAS-BOT-BC433414  Rumex crispus G. DeNevers 1981-5-7 1004 Sonoma Pepperwood Ranch. Confluence of Leslie Creek with Mark West Creek, along the bank of Mark West Creek. Comment
  UCD148318  Rumex crispus Peter Rubtzoff 1954-6-6 1465 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC166799  Rumex fueginus Peter Rubtzoff 1963-10-5 5288 Sonoma Laguna de Santa Rosa east of Graton. Comment
  UCR244736  Rumex fueginus Peter Rubtzoff 1963-10-5 5288 Sonoma Laguna de Santa Rosa east of Graton 23 Comment
  CAS-BOT-BC433845  Rumex pulcher Peter Rubtzoff 1951-7-7 381 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  UCSB15940  Rupertia physodes Breedlove, Dennis 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  POM252713  Rupertia physodes A. A. Heller 1902-6-23 5744 Sonoma Petrified Forest Comment
  UCD108456  Rupertia physodes P. B. Kennedy 1915-5-31 s.n. Sonoma Woods near Annapolis. Comment
  CAS-BOT-BC454116  Ruppia cirrhosa Peter Rubtzoff 1962-8-3 5033 Sonoma Lower Salmon Creek Marsh. Comment
  RSA758309  Rytidosperma penicillatum Barbara Ertter 2003-7-19 18246 Sonoma Bodega Bay, costal meadow behind community center on west side of Hwy 1 north of town. Comment
  CAS-BOT-BC249311  Sagina Peter Rubtzoff 1953-5-30 1419 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  CAS-BOT-BC249308  Sagina Peter Rubtzoff 1955-5-14 1848 Sonoma Duncans Mills Marsh, along the eastern border. Comment
  RSA94644  Sagina decumbens subsp. occidentalis Peter Rubtzoff 1951-7-14 448 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  CAS-BOT-BC445690  Sagittaria cuneata Peter Rubtzoff 1963-6-6 5159 Sonoma Laguna de Santa Rosa east of Graton. Comment
  UC935766  Sagittaria latifolia Malcolm A. Nobs and S. Galen Smith 1949-6-29 920 Sonoma on road to Sebastopol the Laguna marshy area w Santa Rosa; Laguna marshy area Comment
  RSA227245  Sagittaria latifolia Peter Rubtzoff 1955-8-28 2111 Sonoma Forestville Marsh Comment
  UC903712  Salicornia europaea Milo S. Baker 1946-10 11661 Sonoma 1 mi n junction with Sears Point Hwy. (e of hwy) Comment
  RSA0037214  Salix Peter Rubtzoff 1973-9-9 7326 Sonoma Kenwood Marsh. At south margin of the area. Comment
  CAS-BOT-BC103083  Salix bonplandiana Peter Rubtzoff 1966-9-10 5819 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC103090  Salix bonplandiana Peter Rubtzoff 1972-8-25 6855 Sonoma Along the margin of the now dry San Antonio Creek on the east side of Hwy. 101 crossing Comment
  UC66167  Salix exigua var. hindsiana A. A. Heller 1902-4-18 5328 Sonoma on Russian R. near Windsor Comment
  CAS-BOT-BC107752  Salix hindsiana H. E. McMinn 1922-6-7 182 Sonoma Along Russian River near Guerneville Comment
  CAS-BOT-BC106847  Salix hookeriana Mary P. Wells 1981-4-18 s.n. Sonoma Draw, Unit 24, The Sea Ranch Comment
  CAS-BOT-BC106848  Salix hookeriana Mary P. Wells 1987-2-28 825 Sonoma West end of Moonraker Dr., The Sea Ranch Comment
  UC482326  Salix laevigata C. R. Ball and H. E. Parks 1931-2-17 22 Sonoma 1 mi s. Santa Rosa (Santa Rosa Creek); Santa Rosa Creek Comment
  UC1356332  Salix lasiandra subsp. lasiandra Theodore J. Crovello 1964-4-11 399 Sonoma a few mi. e. Bodga Bay (along CA Hwy. 1); Cheney Gulch, Cheney Creek Comment
  UC726800  Salix lasiandra subsp. lasiandra A. A. Heller 1900-3-18 5098 Sonoma Santa Rosa Creek near Santa Rosa Comment
  CAS-BOT-BC107088  Salix lasiolepis Mary P. Wells 1986-2-2 736 Sonoma north of Wild Moor Reach, The Sea Ranch Comment
  HSC19993  Salix lasiolepis R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1340 Sonoma Along Sulphur Creek, 7 mi. W of Big Geysers Comment
  UC511361  Salix lasiolepis Lyman Benson 1930-3-20 1954 Sonoma 4 mi. n. of Santa Rosa; San Francisco Bay watershed, Mayacamas Mt. Range 152 Comment
  RSA31743  Salix lasiolepis A. A. Heller 1900-3-18 5097 Sonoma Santa Rosa Creek. Near Santa Rosa. Comment
Read comments
May 1 2014
  UCD111596  Salix lasiolepis Frederica Bowcutt 1996-5-19 2137 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile south of Red Mountain in Adobe Canyon near office and corral. 396 Comment
  CAS-BOT-BC107346  Salix lasiolepis var. bigelovii Peter Rubtzoff 1955-8-20 2058 Sonoma Bodega Harbor Marsh Comment
  RSA534500  Salix lasiolepis var. bigelovii Peter Rubtzoff 1959-6-13 4136 Sonoma Willow Creek Marsh. Comment
  RSA534503  Salix lasiolepis var. bigelovii Peter Rubtzoff, T. J. Covello 1964-9-3 5495 Sonoma Bodega Bay Marsh. 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
  SBBG29046  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Russian River, Bohemian Grove, near Monte Rio Comment
  SBBG57920  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Russian River, Bohemian Grove, near Monte Rio Comment
  CAS-BOT-BC126180  Salix scouleriana Peter Rubtzoff 1961-10-23 4774 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC126193  Salix scouleriana Ynes Mexia 1933-2-18 s.n. Sonoma Four miles south of Camp Meeker Comment
  CAS-BOT-BC126200  Salix scouleriana Milo S. Baker 1933-1-1 s.n. Sonoma Along Santa Rosa-Bodega Highway, at O'Farrell Hill, 3 miles west of Sebastopol Comment
  POM214873  Salix scouleriana Y. Mexia 1933-2-18 s.n. Sonoma 4 miles S of Camp Meeker. Comment
  UC437360  Salix scouleriana W. P. Taylor 1913-6-11 Sonoma Freestone Comment
  UC498690  Salix scouleriana Ynes Mexia 1933-2-18 Sonoma 4 mi. s. Camp Meeker Comment
  UC524787  Salix scouleriana W. A. Setchell 1934-7-10 5 Sonoma Coast Hwy. above Fort Ross Comment
  LA208908  Salix scouleriana Milo S. Baker; March 1933 7565 Sonoma at foot of O'Farrel Hill on Bodega Hwy Comment
  CAS-BOT-BC128905  Salix sitchensis Ball; Bracelin; Parks & Parks 1931-4-21 35 Sonoma Maacama Creek, 25 km. northwest of Calistoga Comment
  CAS-BOT-BC128945  Salix sitchensis Peter Rubtzoff 1970-8-25 6344 Sonoma Austin Creek margin 1/2 mile north of Cazadero Comment
  HSC20117  Salix sitchensis Theodore J. Crovello 1965-9-14 721 Sonoma Along Mayacama Creek, 75-100 yds. W of junction with bridge of Hwy. 128 Comment
  LA208960  Salix sitchensis Ball; Bracelin, Parks 1931-4-21 36 Sonoma Maacama Creek, 25 km NW of Calistoga Comment
  UC453107  Salix sitchensis W. A. Setchell 1931-7-31 21 Sonoma Bodega Bay Comment
  UC498692  Salix sitchensis Annetta Carter 1933-2-19 255 Sonoma 150 yds. from ocean beside creek Fort Ross 3 Comment
  CAS-BOT-BC225213  Salvia sonomensis A. A. Heller; H. E. Brown 1902-3-31 5193 Sonoma Mt. Hood Comment
  RSA134121  Salvia sonomensis John H. Thomas 1955-5-22 5189 Sonoma Along St. Helena Road and West Creek, about 2.7 miles west of Sonoma-Napa County line, about 8 miles northeast of Santa Rosa 366 Comment
  OBI39521  Sambucus racemosa var. racemosa F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-17 84 -159 Sonoma Ca 5.0 mi E of Bridgehaven on Willow Creek rd 145 Comment
  JEPS76926  Sanicula arctopoides Robert M. Lloyd 1963-2-24 2052 Sonoma on State Highway 1, 4 mi s State Highway 12 15 Comment
  POM82758  Sanicula crassicaulis Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  UC1022490  Sanicula crassicaulis C. Ritchie Bell 1952-3-19 3 X349 Sonoma 1 mi s of Geyserville Comment
  UC1123191  Sanicula crassicaulis H. S. Yates 1934-4-21 3829 Sonoma 2 mi n of County Farm 243 Comment
  SD56670  Satureja douglasii D. F. Howe 1963-7-3 3589 Sonoma 20 mi. N of jnct. with #12 on #1 Comment
  CAS-BOT-BC441177  Saxifraga mertensiana A. A. Heller 1903-4-24 6616 Sonoma Woods near Cazadero Comment
  POM117235  Saxifraga mertensiana Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  RSA178009  Scandix pecten-veneris R. F. Thorne 1965-4-19 34262 Sonoma Cotati, Waters Ranch 30 Comment
  UCD128058  Scandix pecten-veneris Botany 102 Students 1993-4-24 88 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-BC111398  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1951-6-9 186 Sonoma Northern half of Lower Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC111431  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1955-8-6 2017 Sonoma Bodega Head Marsh, open, wet ground. Comment
  UCD50086  Schoenoplectus acutus var. occidentalis P. G. Connors 1991-8-15 205 Sonoma In Clark Marsh with Typha latifolia. Comment
  CAS-BOT-BC111633  Schoenoplectus californicus Peter Rubtzoff 1955-7-30 1995 Sonoma Bennett Mtn. Lake. Comment
  RSA227213  Schoenoplectus fluviatilis Peter Rubtzoff 1955-8-7 2033 Sonoma Sonoma County: Guerneville Marsh. Comment
  RSA0015641  Schoenoplectus maritimus Peter Rubtzoff 1960-10-29 4579 Sonoma Bodega Harbor Marsh. Comment
  SD134064  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, just north of its junction with Highway 128. In shallow water along marshy margin of pond. Comment
  CAS-BOT-BC111806  Schoenoplectus pungens var. badius Peter Rubtzoff 1959-6-13 4126 Sonoma Willow Creek Marsh. Comment
  UC56352  Scirpus americanus J. Burtt Davy 1897-9-19 4056 Sonoma Petaluma Petaluma (salt-marsh) Comment
  CDA16375  Scirpus cernuus G. F. Hrusa 2000-11-13 15718 Sonoma Kortum trail head to Goat Rock. 0 Comment
  UC1254996  Scirpus cernuus Alan A. Beetle 1941-7-8 2854 Sonoma coastal bluffs 5 mi n Steward Point; n of Steward Point Comment
  UCR249040  Scirpus maritimus Peter Rubtzoff 1954-7-26 1557 Sonoma Lower Salmon Creek Marsh 6 Comment
  UCR249061  Scirpus maritimus Peter Rubtzoff 1954-8-6 2021 Sonoma Bodega Harbor Marsh 0 Comment
  CAS-BOT-BC111114  Scirpus microcarpus Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 3 miles east of Stewarts Point Comment
  SEINET12051402  Scoliopus bigelovii F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -224 Sonoma ca 0.15 mi SE from East Avenue jct with Bohemian Rd on latter enroute to Occidental from Camp Meeker 140 Comment
  SEINET12058071  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -005 Sonoma 6 mi W of junction of Willow Creek Rd & Coleman Valley Rd on former, along Willow Creek 40 Comment
  CAS-BOT-BC320545  Scrophularia californica Peter Rubtzoff 1955-8-20 2069 Sonoma Bodega Harbor Marsh. Comment
  JEPS77870 Image available Scrophularia californica Robert M. Lloyd 1965-5-8 3633 Sonoma Corner of Pressley Road and Sonoma Mt. Road, west of Glen Ellen. Comment
  UCR249344  Scrophularia californica Peter Rubtzoff 1958-8-23 3913 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  POM188459  Scrophularia californica Marcus E. Jones 1931-7-5 29063 Sonoma West of Cloverdale. Comment
  UC25783  Scutellaria antirrhinoides H. N. Bolander 1864-1 3947 Sonoma at the Geysers Geysers Comment
  UC76189  Scutellaria californica Milo S. Baker 1901-1 591 Sonoma Santa Rosa Comment
  UC1713657  Scutellaria tuberosa John Thomas Howell 1937-4-11 12891 Sonoma e of Glen Ellen (Triniti Mountain); Triniti Mountain Comment
  UC733655  Sedum radiatum Dan Axelrod 1931-7-10 2 Sonoma on Fort Ross Road 3 mi n Cazadero (Ward Creek); , n of Cazadero Comment
  CAS-BOT-BC418400  Sedum spathulifolium Alice Eastwood 1915-6-6 4695 Sonoma Mt. St. Helena Comment
  SEINET194264 Image available Selaginella A. A. Heller 1902-4-2 Sonoma On the Calistoga Road 10 mi from Santa Rosa Comment
  JEPS19066  Selaginella wallacei A. A. Heller 1902-3-10 5024 Sonoma hills 2 mi e Santa Rosa Comment
  OBI59736  Selaginella wallacei S. F. Blake 1927-8-28 10351 Sonoma Near Petrified Forest, near Santa Rosa Comment
  UC371002  Selaginella wallacei Michener and Bioletti 1893-12-25 Sonoma Adobe Canyon Comment
  UCR279645  Senecio glomeratus Peter Rubtzoff 1954-8-3 1636 Sonoma Lower Salmon Creek Marsh 6 Comment
  UCD148425  Senecio glomeratus Peter Rubtzoff 1960-10-29 4577 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC364097  Senecio jacobaea Walter Knight; Irja Knight; Tiffany Knight 1986-8-12 5505 Sonoma Along state route 1 in Sea Ranch. Ca 2 mi n. of lodge Comment
  UCD135597  Senecio minimus W. L. Jepson 1931-7-19 15954 Sonoma between Russian River mouth and Occidental. Comment
  CAS-BOT-BC173685  Senecio vulgaris Peter Rubtzoff 1974-4-17 7380 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC80325  Sequoia sempervirens J. W. Congdon 1880-2-1 s.n. Sonoma Santa Rosa Comment
  SEINET8714496 Image available Sequoia sempervirens L. Fallon 1939-1 s.n. Sonoma 15 miles west of Santa Rosa on Guerneville Hy. Comment
  UCD135198  Sequoia sempervirens Loredo-Prendeville; Nicole Canon 1993-4-24 54 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 195 Comment
  JEPS128164  Sesbania punicea Eric Wrubel 2012-6-30 101 Sonoma Santa Rosa. Olivet Road at the intersection with Viking Road. Comment
  UCD92681  Setaria faberi David L. Morgan 1958-8-6 s.n. Sonoma Highway 101, Sonoma-Marin County Line. Comment
  CAS-BOT-BC243605  Setaria parviflora Burbank 1926-1-1 s.n. Sonoma Luther Burrant Garden Comment
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Sep 24 2017
  CAS-BOT-BC240274  Setaria viridis Catherine Best 1987-7-2 1298 Sonoma Near the intersection of Todd and Llano roads Comment
  UCR275238  Sidalcea Peter Rubtzoff, Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7814 Sonoma Kenwood Marsh 120 Comment
  RSA0020349  Sidalcea Peter Rubtzoff, Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7814 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC187888  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-8-4 569 Sonoma Southern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  UC18867  Sidalcea diploscypha Michener and Bioletti June 1897 Sonoma Hoods Peak Comment
  SEINET11998342  Sidalcea malviflora C. F. Quibell 1976-1 1357 Sonoma Meacham Hill, Christo fence route 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
  CAS-BOT-BC213171  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 196368 Sonoma Kenwood Marsh about 1/4 mile west of Kenwood. Comment
  POM225311  Sidalcea oregana subsp. valida J. T. Howell 1932-9-18 10766 Sonoma Kenwood Marsh near Kenwood Comment
Read comments
Mar 10 2009
  CAS-BOT-BC540830  Sidalcea oregana subsp. valida Peter Rubtzoff 1979-7-15 9292 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 miles west of its junction with Franz Valley Road. Comment
  CAS-BOT-BC251242  Silene Peter Rubtzoff 1959-6-20 4168 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC258685  Silene Peter Rubtzoff 1962-6-21 4935 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC361349  Silene coniflora Greg de Nevers 1997-4-24 10961 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  SEINET4855742  Silene grandis Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point. Comment
  CAS-BOT-BC388991  Silene laciniata subsp. californica Roxana S. Ferris; Laura Lorraine 1961-6-15 13552 Sonoma Green Valley Rd. 0.8 mi. E of junction with Harrison Grade Road Comment
  CAS-BOT-BC389222  Silene laciniata subsp. californica Roxana S. Ferris; Laura Lorraine 1961-6-15 13552 Sonoma Green Valley Rd. 0.8 mi. E of junction with Harrison Grade Road Comment
  UCR254834  Silene multinervia Greg de Nevers 1997-4-16 10931 Sonoma North Coast Range, Cavedale Road 152 Comment
  UC604116  Silene scouleri subsp. grandis Baker 1938-6-6 9026 Sonoma top of Bodega Rock Bodega Bay; North Bay Counties, , top of Bodega Rock Comment
  UCD135839  Silybum marianum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 049 -A Sonoma near unused barn by Sea Ranch Lodge. Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SBBG1135  Sisyrinchium bellum H. and M. Dearing 1939-5-14 3371 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  SEINET12048679  Sisyrinchium bellum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -085 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  HSC13932  Sisyrinchium californicum James Faro 1962-4-22 27 Sonoma Ocean Cove Ranch, 4 mi. N of Fort Ross on Hwy. 1 Comment
  UC1032494  Sisyrinchium californicum H. S. Yates 1936-5-16 5587 Sonoma 2 mi se of Forestville 30 Comment
  UC1134675  Smilacina stellata E. Armstrong 1934-3-26 933 Sonoma 1 mi n Camp Meeker; Sebastopol Quadrangle 121 Comment
  CAS-BOT-BC164027  Solanum Peter Rubtzoff 1961-8-22 4685 Sonoma Fife Creek Marsh. Comment
  UCD126816  Solanum americanum C. B. Heiser; D. Heiser 1946-4-14 s.n. Sonoma Bodega Bay. Comment
  UCD161247  Solanum furcatum James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3711 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC365587  Solidago elongata John Thomas Howell 1946-8-17 22867 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC365656  Solidago spathulata Roxana S. Ferris 1937-8-19 9378 Sonoma 1.5 miles north of Fort Ross on State Highway #1 Comment
  RSA20120  Solidago spathulata Roxana S. Ferris 1937-8-19 9378 Sonoma 1.5 miles north of Fort Ross on State Highway 1. Comment
  UC473574  Solidago spathulata John Thomas Howell 1931-9-26 8095 Sonoma 7 mi n Fort Ross Comment
  UCD136069  Solidago spathulata G. F. Hrusa; G. L. stebbins, J. McCaskill 1993-9-14 11419 Sonoma along Cavedale Road approximately 2.7 miles east of Highway 12. 400 Comment
  SBBG33688  Solidago spathulata T. L. Secrest 1948-7-7 Sonoma coast, Sonoma County [no specific locality] Comment
  UCD158725  Solidago velutina subsp. californica Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca.1.5 mi east of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 822 Comment
  CAS-BOT-BC365265  Solidago velutina subsp. californica G. DeNevers 1981-7-28 1875 Sonoma Pepperwood Ranch. E side of Leslie Road, 40 miles S of the 1st bridge Comment
  RSA0036022  Solidago velutina subsp. californica Peter Rubtzoff 1961-9-6 4745 Sonoma 2 miles northeast of Freestone. Comment
  UCR280137  Soliva sessilis Peter Rubtzoff 1971-5-8 6444 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive 137 Comment
  CAS-BOT-BC365963  Soliva sessilis John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54672 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CDA8805  Soliva sessilis G. D. Barbe 1982-5-27 3618 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Scaggs Spring Road. Comment
  CAS-BOT-BC164074  Sonchus Peter Rubtzoff 1960-6-25 4511 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC164658  Sonchus Peter Rubtzoff 1960-5-15 4326 Sonoma Fife Creek Marsh. Comment
  SD134040  Sparganium angustifolium Peter Rubtzoff 1972-6-24 6790 Sonoma Atascadero Creek Marsh, open Comment
  RSA227248  Sparganium angustifolium subsp. emersum Peter Rubtzoff 1954-7-27 1587 Sonoma Guerneville Marsh, in the northwestern end of the marsh. Comment
  UC1130589  Sparganium erectum subsp. stoloniferum H. S. Yates 1936-5-17 5634 Sonoma 2 mi ne Graton; Sebastopol Quad. 30 Comment
Read comments
Sep 25 2008
  RSA20122  Sparganium erectum subsp. stoloniferum Roxana S. Ferris 1937-8-18 9373 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC236635  Spartina foliosa James Moffett 1928-10-8 s.n. Sonoma Black Pint cut-off Comment
  CAS-BOT-BC251217  Spergula Peter Rubtzoff 1956-9-22 2940 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  UCR275244  Spergularia Peter Rubtzoff 1971-7-23 6614 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 70 Comment
  CAS-BOT-BC390124  Spergularia bocconi Catherine Best 1982-8-18 s.n. Sonoma Goat Rock Park off of Hwy 1 Comment
  UCD99214  Spergularia macrotheca Mary M. Hektner; Cathy Hendel 1974-7-25 176 Sonoma at west end of Fish Rock Road; Unit 35-A Owners' Map, Sea Ranch, near Highway 1. Comment
  CAS-BOT-BC390728  Spergularia rubra Alice Eastwood; John Thomas Howell 1936-5-19 2497 Sonoma Santa Rosa Comment
  CAS-BOT-BC390733  Spergularia rubra Alice S. M. McKenzie 1980-12-26 23 Sonoma Coast between Russian and Gualala Rivers. State Hwy 1 at Timber Cove Comment
  CAS-BOT-BC376238  Spiranthes porrifolia Greg de Nevers 1995-7-20 10762 Sonoma Field redacted by CAS, contact the data manager for more information 487 Comment
  CAS-BOT-BC257342  Stachys Peter Rubtzoff 1977-9-3 9124 Sonoma Perry Marsh. Comment
  CAS-BOT-BC500697  Stachys Peter Rubtzoff 1958-7-5 3737 Sonoma Atascadero Creek Marsh Comment
  UC726646  Stachys ajugoides var. rigida A. A. Heller 1938-5-14 15084 Sonoma e Bodega Bay (along State Highway #1) 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
  UCD125541  Stachys chamissonis Frederica Bowcutt 1984-6-24 437 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg . W of Hwy 1. N of Gerstle Cove along creek. 15 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
  UCD126062  Stachys rigida var. quercetorum Terri Williamson 1990-5-20 55 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  UCD160892  Stachys rigida var. quercetorum James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3260 Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UC25954 Image available Stachys stricta J. Burtt Davy 1894-6-18 Sonoma Knight's Valley; ; Knight's Valley, Sonoma Co. Comment
  UCD161395  Stellaria James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3693 a Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  RSA800606  Stellaria Peter Rubtzoff 1967-8-22 5852 Sonoma SE of Lower Salmon Creek Marsh Comment
  UCD166327  Stellaria Peter Rubtzoff 1967-8-28 5866 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  UCD99350  Stellaria littoralis P. G. Conners 1991-7-3 195 Sonoma Bodega Marina Laboratory; above Horseshoe Cove Beach. Comment
  CAS-BOT-BC397770  Stellaria media G. DeNevers 1981-4-27 878 Sonoma Pepperwood Ranch; Green gate near Hansel's corral. Comment
  RSA800341  Stellaria media Peter Rubtzoff 1955-5-21 1863 Sonoma Forestville Marsh. Comment
  UCD134104  Stephanomeria exigua subsp. coronaria Frederica Bowcutt 1995-11-19 2062 Sonoma Sugarloaf Ridge State Park. About 50 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 Bald Mtn. Trail between Vista and Red Mtn. trails. 579 Comment
  NY431575  Stipa pulchra A. A. Heller 1902-4-9 5252 Sonoma 3 miles south of Healdsburg Comment
  UC1478046  Streptanthus brachiatus Charlie Patterson 1980-6-16 Sonoma ca 1 1/2 mi e Socrates Mine (near Lake Co. line) Comment
  UCD72522  Streptanthus brachiatus Sharon Strauss 2007-6-28 s. n. Sonoma End of Pine Flat Road at Calpine 'The Geysers.' Up fire road 0.1 mile from parking area at gate. 973 Comment
  UCR67074  Streptanthus brachiatus subsp. brachiatus L. F. LaPre 1987-7-7 s.n. Sonoma Socrates Mine area, c. 9 mi. ENE of Geyserville. Serpentine barren c. 2 mi. west of Socrates Mine, at the 'Ivana Roland' transmission line tower 0.5 mi. south of Cadd Fire Trail. 854 Comment
  UC410837  Streptanthus glandulosus subsp. glandulosus Miss Anna F. Rodda 1929-5-6 Sonoma Geyserville Comment
  JEPS27974  Streptanthus glandulosus subsp. secundus Rimo Bacigalupi and L. Heckard 1961-6-9 7735 Sonoma 1.75 mi. s.w. Occidental (at junction of Joy Rd. and Bittner Rd.) 249 Comment
  UC1492746  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-4-20 1703 Sonoma near Guerneville; North Coast Ranges, Del Preti Hill Comment
  UC1492770  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-5-18 1062 Sonoma Dutch Bill Creek North Coast Ranges Comment
  UC1492791  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-16 2346 Sonoma Dorr's Cabin North Coast Ranges, upper East Austin Creek Comment
  UC427868  Streptanthus glandulosus subsp. secundus H. E. and S. T. Parks 1930-5-10 835 Sonoma hillsides in w end of valley Knights Valley Comment
  UC70399  Streptanthus glandulosus subsp. secundus Milo S. Baker 1899-6-28 Sonoma near Duncan's Mills; Russian River Comment
  UC1292749  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-6-25 2909 Sonoma Hart Hill gate on road from Cazadero along Morhardt Ridge to Happy Hills Farm North Coast Ranges 441 Comment
  CAS-BOT-BC87294  Streptanthus glandulosus subsp. sonomensis Peter Rubtzoff 1952-6-1 1134 Sonoma Fitch Mountain Grove, near Healdsburg. Comment
  SEINET11993499  Streptanthus glandulosus var. secundus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -236 Sonoma end of Stoetz Road 200 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
  UCD167449  Streptanthus morrisonii James Neilson 1983-6-13 4096 Sonoma wind ridge upper East Austin Creek. East side of the Cedars. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD168052  Streptanthus morrisonii James Neilson 1981-5-15 4031 Sonoma Mayacmas Mountains, Shell Well Site E. Bear Ridge. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  UC1492806  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1949-8-19 2995 Sonoma near headwaters of Devil Creek (tributary of East Austin Creek); North Coast Ranges, The Island Comment
  UC956621  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1946-9-26 1020 Sonoma Layton Chromite Mine North Coast Ranges, Big Austin Creek (headwaters of creek); headwaters of Big Austin Creek at Layton Chromite Mine, Sonoma Co. Comment
  UCD138358  Stuckenia pectinata E. D. Mathews 1931-9-8 s.n. Sonoma Exact location unknown. Comment
  CAS-BOT-BC269709  Symphoricarpos mollis D. E. Breedlove 1962-6-6 2900 Sonoma Along State Highway 128, 1.5 miles northwest of U. S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC354313  Symphyotrichum Peter Rubtzoff 1971-8-23 6649 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC97818  Symphyotrichum chilense Peter Rubtzoff 1951-9-15 763 Sonoma open ground bordering the central part of the Pitkin Marsh Comment
  CAS-BOT-BC97820  Symphyotrichum chilense John Thomas Howell 1946-8-17 22870 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC97824  Symphyotrichum chilense Greg de Nevers 1987-1-1 8121 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  UC87065  Symphyotrichum spathulatum W. E. Bryant 1887-7-1 Sonoma Healdsburg Comment
  CAS-BOT-BC221966  Taeniatherum caput-medusae G. DeNevers; M. Harding 1981-7-11 1755 Sonoma Pepperwood Ranch. Above Skovie Comment
  CAS-BOT-BC376985  Taraxacum officinale Greg de Nevers 1981-4-1 s.n. Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC251236  Taraxia ovata Peter Rubtzoff 1969-6-14 6071 Sonoma Vernal pool, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  UCD107047  Taraxia ovata M. Wiesendanger 1927-5-5 707 Sonoma location unknown. Comment
  HSC46827  Teesdalia coronopifolia Chas F. Quibell 1977-3-18 1393 Sonoma SW corner of Fulton and Piner Rds., W Santa Rosa, between Piner Elementary School and the church on Fulton Rd. Comment
  UC570922  Tellima grandiflora H. L. Mason Jun 1930 5666 Sonoma mouth of Gualala River Comment
  CDA27876  Thermopsis californica var. californica T. C. Fuller 1958-5-24 3993 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  POM68315  Thermopsis californica var. californica Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  UC1611636  Thermopsis macrophylla var. macrophylla R. Spellenberg, N. Zucker 1994-6-9 12070 Sonoma 7 air mi se of Stewart's Point (2.3 mi s of Skagg's Springs on road to Plantation) Comment
  CAS-BOT-BC66806  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10933 Sonoma Sonoma Creek Canyon. Comment
  UC147268  Thysanocarpus curvipes Milo S. Baker 1903-3-20 Sonoma Sonoma Cr. Canyon Comment
  RSA0041614  Thysanocarpus curvipes var. elegans David D. Keck 1931-4-4 1099 Sonoma Santa Rosa Creek Canyon. 225 Comment
  CAS-BOT-BC67334  Thysanocarpus radians John H. Thomas 1968-4-4 14268 Sonoma 2.8 miles northeast of highway 101 on road to Mark Springs West, along Mark Springs road. Comment
  UC11051  Thysanocarpus radians Alice Eastwood 1900-4-7 Sonoma Altruria Comment
  CHSC20584  Tiarella trifoliata var. unifoliata Robert A. Schlising; Glenn Keater 1965-5-22 2823 Sonoma California Coast Ranges. North of Occidental about 1 mile. Comment
  JEPS49745  Tiarella trifoliata var. unifoliata M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma Russian River near Guerneville; Russian River Comment
  CAS-BOT-BC447598  Tiarella trifoliata var. unifoliata Volney Rattan 1877-6-14 118 Sonoma Guernville Comment
  UC353822  Tofieldia occidentalis subsp. occidentalis Milo S. Baker 1928-6-28 3047 a Sonoma Pitkin Marsh Comment
  UCD160826  Torilis arvensis James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3352 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  UCD128150  Torilis arvensis Frederica Bowcutt 1994-6-12 1862 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
  UCD133448  Torreya californica Beecher Crampton 1969-7-14 8495 Sonoma North slope of Black Moutain. Geysers Road. 4 miles NE Geyserville (in direct line) 762 Comment
  SEINET7295150 Image available Torreyochloa pallida var. pauciflora A. S. Hitchcock 1908-1 2702 Sonoma Sherwood Comment
  CAS-BOT-BC169259  Toxicodendron diversilobum Peter Rubtzoff 1951-8-18 630 Sonoma Western branch of the Upper Marsh, Pitkin Marsh, near Forestville Comment
  UCD139839  Toxicoscordion fremontii A. A. Heller; H. E. Brown 1902-3-14 5068 Sonoma near Windsor. Comment
  SD58366  Trichostema laxum Harry K. Roberts 1961-6-20 Sonoma Roadside and open areas at summit of Harrison Grade, north and east of Occidental. Comment
  SEINET3153534  Trichostema laxum M. S. Baker 1898-6-12 675 Sonoma Geysers Comment
  UCD117567  Trientalis latifolia F. Bowcutt 1994-5-1 1756 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. Along Sonoma Creek just E of Bear Creek near bridge over Sonoma Creek. On Goodspeed trail about 30 yards from trail head. Along Sonoma Creek. 198 Comment
  UCD117594  Trientalis latifolia M. Wiesendanger 1927-5-5 738 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC166758  Trifolium Peter Rubtzoff 1974-4-17 7375 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173536  Trifolium Peter Rubtzoff 1974-6-2 7510 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173625  Trifolium Peter Rubtzoff 1974-4-17 7374 Sonoma Upper Green Valley Marsh. Comment
  RSA784986  Trifolium Peter Rubtzoff 1974-4-17 7375 Sonoma Upper Green Valley Marsh. Comment
  RSA785000  Trifolium Peter Rubtzoff, Nancy Harrison 1978-5-20 9188 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  RSA784997  Trifolium Peter Rubtzoff 1974-5-26 7496 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  SBBG40326  Trifolium amoenum R. F. Hoover 1969-5-26 11349 Sonoma 2 mi S of Petaluma on Pt Reyes Rd Comment
  CAS-BOT-BC217061  Trifolium amoenum Peter G. Connors 1993-5-31 311 Sonoma West-facing slope near top of ridge, Fitzpatrick Lane, west of Occidental Comment
  UCSC010694  Trifolium amoenum R. Morgan 1999-1 Sonoma Comment
  UC555446  Trifolium barbigerum H. L. Mason 1931-4-12 5843 Sonoma 1.5 mi w Fulton Comment
  POM313529  Trifolium barbigerum P. B. Kennedy 1929-5-24 10292 Sonoma Between Sea View and Plantation Comment
  UCD107880  Trifolium bifidum R. Tofsrud 1948-5-1 s.n. Sonoma Santa Rosa. Comment
  UC631327  Trifolium bifidum var. bifidum P. B. Kennedy 1919-5-16 Sonoma Del Mar Comment
  UC165624  Trifolium bifidum var. decipiens Milo S. Baker 1898-5-7 641 Sonoma Glenn Ellen Comment
  UCD151095  Trifolium bifidum var. decipiens James A. Neilson Jr. 1973-6-3 2989 Sonoma Mayacmas Mountains. The Geysers. Site I. In Geyser Canyon. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  UCD165135  Trifolium bifidum var. decipiens Peter Rubtzoff 1974-5-18 7418 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CDA36828  Trifolium ciliolatum 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
  CHSC33018  Trifolium depauperatum var. depauperatum Jane A. Rogers 1979-4-14 7 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/2 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. 27 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
  UCD84294  Trifolium depauperatum var. truncatum Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCSC010687  Trifolium dichotomum R. Morgan 1995-5-18 2612 Sonoma Serpentine outcrop 4 miles up Coleman Valley Road from Occidental Comment
  UCD166122  Trifolium dubium Peter Rubtzoff 1972-6-23 6786 Sonoma Atascadero Creek Marsh. Comment
  UCD167338  Trifolium dubium James A. Neilson Jr. 1983-5-9 4091 Sonoma Mayacmas Mountains. About 3 mi north of beginning of Geysers-Healsderg Rd. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC376283  Trifolium fragiferum Greg de Nevers 1995-6-13 10752 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Trapper's Cabin yard 487 Comment
  RSA0079933  Trifolium fragiferum Greg de Nevers 1997-7-24 11071 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Double Ponds and Turtle Pond. 100 Comment
  UC80507  Trifolium fucatum Alice Eastwood Apr 1901 Sonoma Bodega, type locality Comment
  UCD143716  Trifolium grayi Freed W. Hoffman 1947-4-7 1937 Sonoma near Windsor. Comment
  UCD109139  Trifolium hydrophilum P. G. Connors 1996-5-6 364 Sonoma 8 km S of Sonoma, W of Sonoma Creek, Viansa Wetlands. Comment
  JEPS128366  Trifolium microcephalum Roger Raiche 2000-4-2 016 .00 Sonoma The Cedars. Bearpen Creek watershed (CalWater # 1114.120002). Comment
  CAS-BOT-BC368065  Trifolium microdon Greg de Nevers 1998-5-26 11263 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  SEINET9336961  Trifolium microdon Unknown 1967-5-15 7926 Sonoma Foothill slopes, serpentine soils. Comment
  UC85321  Trifolium obtusiflorum Michener and Bioletti 1895-6-1 Sonoma Kenwood Comment
  POM21419  Trifolium obtusiflorum A. A. Heller 1902-5-23 5605 Sonoma Sonoma Comment
  JEPS2906 Image available Trifolium oliganthum Edward Lee Greene 1892-1 Sonoma Knight's Valley Comment
  RSA517355  Trifolium subterraneum L. T. Dempster 1958-5-24 1105 Sonoma Pitkin Marsh (on Pitkin Ranch). Comment
  UCSC005256  Trifolium variegatum Randall Morgan 1995-5-18 2618 Sonoma Santa Rosa, Vernal field at Stony Point Road (Across from Yuba Drive) Comment
  CDA28059  Trifolium variegatum var. major Peter Rubtzoff 1969-5-3 6023 Sonoma Laguna de Santa Rosa east of Sebastopol. 0 Comment
  UC631368  Trifolium variegatum var. melananthum P. B. Kennedy June 1915 532 Sonoma Del Mar Comment
  JEPS4393  Trifolium variegatum var. variegatum E. Ferguson Jun 8 1919-Jun 10 1919 240 Sonoma near Guerneville Comment
  POM21427  Trifolium willdenovii A. A. Heller, H. E. Brown 1902-4-9 5238 Sonoma Three Miles South of Healdsburg. Comment
  UC16754  Trifolium willdenovii W. H. Brewer 1862-4-17 981 Sonoma Sonoma Valley Comment
  UCD165127  Trifolium willdenovii Peter Rubtzoff 1974-4-17 7375 Sonoma Upper Green Valley Marsh. Comment
  UCD33092  Trifolium willdenovii Beecher Crampton 1966-5-10 7722 Sonoma Sonoma County, ca. 2 miles west of Fulton along River Road. Comment
  CAS-BOT-BC451941  Triglochin maritima Peter Rubtzoff 1955-8-6 2023 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC451982  Triglochin striata Peter Rubtzoff 1973-9-15 7328 Sonoma Lower Salmon Creek Marsh. Slough just east of Hwy. 1. Comment
  UCR5896  Trillium chloropetalum Sue Freeman 1966-4-8 s.n. Sonoma San Francisco Bay region, Sebastopol, residence on 692 Sparks Road 73 Comment
  HSC22048  Trillium ovatum F. Demostene 1966-4-11 39 Sonoma 25 mi. W of Healdsburg Comment
  CAS-BOT-BC521306  Trillium rivale A. A. Heller; H. E. Brown 1902-3-22 5127 Sonoma West of Sebastopol Comment
  UC1334859  Triphysaria pusilla L. D. Thurman 1964-4-24 435 Sonoma on State Hwy #128, 15 mi nw Calistoga Comment
  SD114394  Triphysaria versicolor Darley F. Howe 1963-7-3 3583 Sonoma 20 miles north of junction with #12 on #1 Comment
  JEPS19394  Triphysaria versicolor subsp. faucibarbata G. Thomas Robbins 1937-6-6 238 Sonoma along roadside near Bodega Bay; near Bodega Bay Comment
  SBBG7055  Triphysaria versicolor subsp. faucibarbata H. and M. Dearing 1939-5-14 3251 Sonoma Russian River near coast Comment
  UC1239031  Triphysaria versicolor subsp. faucibarbata Freed W. Hoffman 1947-4-7 1894 Sonoma Chalk Hill road; North Coast Ranges, Chalk Hill road Comment
  CAS-BOT-BC200095  Trisetum canescens P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar Comment
  CAS-BOT-BC200106  Trisetum canescens Peter Rubtzoff 1951-6-7 111 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC200113  Trisetum canescens Roxana S. Ferris; Laura Lorraine 1961-6-14 13533 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  UCR141951  Trisetum canescens Beecher Crampton 1955-6-17 2931 Sonoma North Coast Range, 3.3 miles west of Forestville, along State Highway 116 ['12'] 61 Comment
  UCD93590  Trisetum canescens Freed W. Hoffman 1943-6-6 2212 Sonoma Coast road near Bridgehaven. Comment
  CAS-BOT-BC522374  Triteleia hyacinthina Catherine Best 1983-5-11 s.n. Sonoma In a field along the west side of Arnold Drive about .5 miles south of the intersection of Hwy. 116 Comment
  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
  UC421780  Triteleia laxa Milo S. Baker 1898-6-1 590 Sonoma Cemetery Hills Santa Rosa Comment
  CAS-BOT-BC527036  Triteleia laxa D. E. Breedlove 1980-6-27 44750 Sonoma Pepperwood Ranch west of Knights Valley Comment
  CAS-BOT-BC527042  Triteleia laxa John H. Thomas 1976-6-16 18330 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  RSA173356  Triteleia laxa Walter Knight 1965-6-5 1116 Sonoma McDowell Road 1/2 mile from Casa Grande Road. Petaluma Comment
  SBBG14877  Triteleia laxa A. I. Richardson 1961-6-16 19 Sonoma Sweetwater Springs Rd, 1 mi beyond turn to Armstrong Redwood State Park, N of Gurneville Comment
  SEINET12057263  Triteleia laxa F. H. Utech 1978-6-26 78 -256 Sonoma Salt Pt. SP 24 Comment
  UC463104  Triteleia laxa Milo S. Baker 1923-5-30 5487 Sonoma Cooper Grove Road Comment
  UC1041014  Triteleia peduncularis J. W. Congdon 1880-5-3 Sonoma Santa Rosa Comment
  CAS-BOT-BC527967  Triteleia peduncularis John Thomas Howell 1947-6-5 s. n. Sonoma Cunninghan Marsh Comment
  CAS-BOT-BC527978  Triteleia peduncularis Peter Rubtzoff 1962-6-19 4924 Sonoma Occidental Marsh Comment
  CAS-BOT-BC200492  Triticum aestivum David L. Morgan 1956-5-18 s.n. Sonoma On State Hiway #12, 5.4 mi. S. of Santa Rosa city limits Comment
  CAS-BOT-BC361283  Turritis glabra Greg de Nevers 1997-4-22 10952 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Above Bechtel House 400 Comment
  UCD94671  Typha domingensis Frederica Bowcutt 1997-7-18 2183 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  CAS-BOT-BC208026  Ulex europaeus John H. Thomas 1966-3-22 11543 Sonoma on hillsides in the vicinity of Bodega Comment
  UC1084365  Ulex europaeus G. Thomas Robbins 1937-3-26 31 Sonoma Forming dense thickets along road W of Bodega. Comment
  UC1010427  Ulmus minor Leo Koch 1939-4-15 547 Sonoma Petaluma North Bay Counties, Petaluma (518 Madison Street) Comment
  CAS-BOT-BC91283  Umbellularia californica Walter Knight; Irja Knight 1964-11-15 774 Sonoma Hood's Peak at Johnson Lake. Comment
  POM149110  Umbellularia californica A. A. Heller, H. E. Brown 1902-3-10 5013 Sonoma Hills East of Santa Rosa. Comment
  SEINET5339110  Umbellularia californica L. Fallon 1939-1-2 s.n. Sonoma 15 miles west of Santa Rosa. Comment
  CAS-BOT-BC403989  Urtica dioica subsp. gracilis L. R. Abrams 1920-7-3 7601 Sonoma Gualala River near Mendocino--Sonoma Co. Line Comment
  CAS-BOT-BC404232  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-6-24 5386 Sonoma Coleman Marsh Comment
  CAS-BOT-BC404246  Urtica dioica subsp. holosericea Peter Rubtzoff 1955-8-20 2057 Sonoma Bodega Harbor Marsh Comment
  POM106025  Urtica dioica subsp. holosericea Marcus E. Jones 1882-7-17 3483 Sonoma Duncan's Mills. Comment
  SEINET177097  Urtica dioica subsp. holosericea Marcus E. Jones 1882-7-17 3488 Sonoma Duncan Mills. Comment
  CAS-BOT-BC404229  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-9-13 5503 Sonoma Clear Lake State Park, along Cole Creek Comment
  CAS-BOT-BC404231  Urtica dioica subsp. holosericea Peter Rubtzoff 1954-8-13 1717 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC193382  Vaccinium ovatum Mary P. Wells 1985-10-4 680 Sonoma New road to semi-pygmy forest south of Gualala River Comment
  SBBG50857  Vaccinium ovatum J. C. Lee 1966-4-27 41 Sonoma Hwy 116, 1 mi E of Guerneville 304 Comment
  CAS-BOT-BC76170  Vancouveria planipetala Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  SD88335  Vancouveria planipetala Darley F. Howe 1972-5-1 Sonoma Duncan Mills Pond 149 Comment
  CAS-BOT-BC154140  Verbascum Peter Rubtzoff 1954-7-27 1565 Sonoma [Guernerville] Guerneville Marsh Comment
  UCD124726  Verbascum thapsus K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  UCD148315  Verbascum virgatum Peter Rubtzoff 1952-6-15 1261 Sonoma Fitch Mountain Grove Resort, near Healdsburg, along Russian River. Comment
  UCD160970  Verbena lasiostachys James A. Neilson Jr. 1975-7-8 3415 Sonoma Mayacmas Mountains. Socrates Mine Road, above summit [of road]. (Elevation and coordinates estimated by label maker.) 990 Comment
  UCD167954  Verbena lasiostachys James Neilson 1981-7-16 4057 Sonoma Mayacmas Mountains. Big Sulphur Cr. 100 yards below bridge of Cloverdale-Geysers Rd. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD125639  Verbena lasiostachys Frederica Bowcutt 1994-7-5 1933 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 30 feet, 70 ft. S of campfire center along N edge of Sonoma Creek, N and E of campground. 381 Comment
  POM64648  Verbena lasiostachys var. lasiostachys A. A. Heller 1902-6-27 5785 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC157680  Veronica Peter Rubtzoff 1959-4-18 4025 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of the Guerneville road crossing. Comment
  UCD166504  Veronica Peter Rubtzoff 1959-4-18 4025 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of the Guerneville road crossing. Comment
  CAS-BOT-BC177116  Veronica americana Peter Rubtzoff 1955-7-9 1939 Sonoma Forestville Marsh. Comment
  CHSC22309  Veronica americana Robert A. Schlising; Lloy Thurman 1962-6-15 2313 Sonoma Along Stewarts Point Road, 2 mi E of Jct with Hwy 1 near Stewarts Point. California Coast Ranges. Comment
  JEPS40979  Veronica americana Lewis S. Rose 1964-6-3 64050 Sonoma n end of Bodega Bay 1 Comment
  CAS-BOT-BC182764  Veronica americana Peter Rubtzoff 1962-8-22 5049 Sonoma Bodega Bay Marsh. Comment
  RSA94356  Veronica americana Peter Rubtzoff 1951-6-9 151 Sonoma Northern half of Lower Marsh. Comment
  RSA276858  Veronica anagallis-aquatica Peter Rubtzoff 1968-9-21 5983 Sonoma Russian River bottom at Forest HIlls, 5.5 mi east of Guerneville. Comment
  JEPS19383  Veronica persica G. Thomas Robbins 1937-3-27 45 Sonoma Santa Rosa Comment
  CAS-BOT-BC262808  Veronica scutellata Peter Rubtzoff; Nancy Harrison 1978-6-11 9211 Sonoma Cunningham Marsh Area, on north side of Blucher Creek Valley. Comment
  UCR255466  Veronica scutellata Ann Howald 2014-5-2 3002 Sonoma North Coast, c. 1.5 mi southeast of Del Mar Point 23 Comment
  RSA0021069  Veronica serpyllifolia Peter Rubtzoff 1971-5-8 6447 Sonoma Pitkin Marsh, near Forestville. Western border of the marsh near end of Templeman Road. Comment
  UC1084368  Vicia sativa G. Thomas Robbins 1937-3-26 34 Sonoma just e Bodega (along road to Bodega) Comment
  UC424776  Vicia sativa Milo S. Baker 1929-4-17 3507 Sonoma near Steuben School House Comment
  RSA77970  Vicia villosa Verne Grant, Alva Grant, Adele Lewis Grant 1947-5-4 7959 Sonoma Sebastopol to Santa Rosa Comment
  UCD121401  Vinca major Anthony E. Hall 1965-4-11 16 Sonoma 3 miles west of Sebastopol. Comment
  CAS-BOT-BC270249  Viola adunca L. R. Abrams 1920-7-3 7619 Sonoma Stewarts Point Comment
  UC1763357  Viola adunca Milo S. Baker 1898-4-4 5507 Sonoma near Sea View Comment
  UC1761509  Viola douglasii Milo S. Baker May 1898 681 Sonoma near Melita (Peach Flat, Santa Rosa Golf Links) Comment
  CDA122  Viola glabella D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .285 Sonoma Cavedale Rd. Comment
  JEPS50388  Viola glabella Dorothea Gorter 1920-3-23 Sonoma Villa Grande; Russian River, Villa Grande Comment
  RSA135422  Viola glabella Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  UC1761336  Viola glabella J. Burtt Davy 1896-3-13 1653 Sonoma Cazadera Comment
  CAS-BOT-BC536910  Viola glabella Dorothy Scherer 1996-3-25 012 Sonoma Kolmer Gulch, just E of Hwy 1 and S side of stream, Fort Ross State Historic Park 11 Comment
  UC19295  Viola lobata subsp. lobata W. H. Brewer 1864-1 3943 Sonoma near the Geysers (at Pine Mountain); Pine Mountain Comment
  CDA10944  Viola ocellata G. F. Hrusa, G. L. Stebbins 1994-3-28 11702 Sonoma North Coast Biodiversity Arena; Along Austin Creek, 4.3 m. N of Duncan's Mills on D.M. Cazadero Rd. Adjacent to East Austin Cr. Rd. on E side of Creek. Comment
  UC1762265  Viola ocellata Leo Koch 1939-4-8 497 Sonoma Boxman Ranch near Plantation Comment
  UC336275  Viola ocellata J. Ewan 1877-3-1 Sonoma Skaggs Springs Comment
  UC19318  Viola pedunculata Davy May 1888 Sonoma Russian River below Guerneville; Russian River 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
  RSA201205  Viscum album Stanley Rose 1966-5-8 s.n. Sonoma On apple trees about 1 mile from Sebastopole on Gravenstein Highway North (1090) Comment
  RSA262373  Viscum album Jesse Dubin 1971-3-4 s.n. Sonoma Near Sebastopol. Comment
  SEINET3840829  Viscum album subsp. album C. W. Nichols, W. O. McCartney 1966-1-17 Sonoma Sacremento, 1220 Gravestein highway north at Hill Station road, one mile north of Sebastopol Comment
  CAS-BOT-BC203129  Vitis californica Peter Rubtzoff 1951-8-5 595 Sonoma Mirabel Park, 1 1/2 mi. north of Forestville Comment
  CAS-BOT-BC203132  Vitis californica H. E. McMinn 1922-6-7 188 Sonoma Stream entering Russian River - 2 1/2 mi. from Cosmo Comment
  RSA0121713  Vitis californica James I. McMurphy 1908-9-27 s.n. Sonoma Mark West Creek. 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
  UCD17548  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma 3 miles N on Upper Lake Highway, east of Ukiah. Near first highway bridge. Comment
  SEINET12210982  Vitis rupestris W. Knight, Knight, I.; Wagnon, K. 1984-1 5066 Sonoma near Glen Ellen, on Dunbar Road Comment
  CAS-BOT-BC371450  Vulpia Greg de Nevers 1998-6-10 11282 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  CAS-BOT-BC199899  Vulpia bromoides Barrett Anderson 1987-4-27 3467 Sonoma Petaluma, south of El Rose and west of D Street 120 Comment
  CAS-BOT-BC199900  Vulpia bromoides John Thomas Howell 1947-6-26 23314 Sonoma Cunningham Marsh Comment
  UC1024737  Vulpia bromoides Leo Whitney 3043 a Sonoma Molino Comment