Search Results — 2000 specimen records retrieved (1246 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC177006  Acacia Walter Knight; Irja Knight 1990-5-1 6591 Sonoma Calistoga Road at north summit between Gates and Porter Creek roads 243 Comment
  CAS-BOT-BC332755  Acer macrophyllum Saichi Kawahara 1968-4-20 330 Sonoma King's mailbox, 3700 Trinity Road 304 Comment
  UC1193400  Acer negundo var. arizonicum P. Zinke 1950-4-25 118 Sonoma Russian River at Cloverdale; Quad. 61A4, Russian River at Cloverdale 152 Comment
  CAS-BOT-BC30084  Achillea millefolium G. DeNevers 1981-5-15 1168 Sonoma N arm of Garrison Canyon Comment
  RSA176496  Achillea millefolium var. arenicola Roxana S. Ferris 1932-5-27 8254 Sonoma Bodega Bay. Comment
  CAS-BOT-BC400007  Achlys triphylla Greg de Nevers; Susan Charnley 1987-3-28 8129 Sonoma Sea Ranch, along the Gualala River 20 Comment
  CLARK-A1528-2275  Achlys triphylla John C. Roos 1957-7-2 6646 Sonoma Millers Ridge Comment
  JEPS77868  Achyrachaena mollis Robert M. Lloyd 1965-5-8 3631 Sonoma 3 mi n on highway 12 Aqua Caliente Road; Lawerence Triangle End Garage Comment
  CAS-BOT-BC166737  Achyrachaena mollis Peter Rubtzoff 1963-6-18 5180 Sonoma Bennett Mountain Lake. Comment
  UCD35653  Acmispon brachycarpus Beecher Crampton 1959-6-16 5373 Sonoma 1 mile east of Occidental. Comment
  OBI12975  Acmispon glaber var. glaber Robert F. Hoover 1964-9-8 9289 Sonoma Timber cove Comment
  UCD103760  Acmispon junceus var. biolettii Frederica Bowcutt 1984-6-23 448 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg on the Sonoma County coast. West of Highway 1, approx. 1/3 mile north of Gerstle Cove. 15 Comment
  UCD128525  Adenocaulon bicolor K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC139919  Adenostoma fasciculatum Bolander 1877-6-17 s.n. Sonoma Guerneville Comment
  SEINET5501068 Image available Adenostoma fasciculatum Sally Walker 1981-1 Sonoma Franz Valley Rd, 1/10 mi N of 7 V. School Rd. Comment
  CAS-BOT-BC65531  Adiantum aleuticum Mary P. Wells 1984-7-21 375 Sonoma The Hot Spot, The Sea Ranch Comment
  UC1193407  Adiantum jordanii P. Zinke 1950-4-25 113 Sonoma Oat Valley; Quadrangle 61A4 182 Comment
  SEINET265728  Aesculus californica Royal D. Suttkus 1967-6-25 67- 29 -1 Sonoma 4.4 miles SE of Alexander Valley. Comment
  SEINET4853892  Agastache glaucifolia A. A. Heller 1902-6-28 5792 Sonoma Between Knight's Valley & Mark West Springs. Comment
  SD40007  Agoseris apargioides Edith A. Purer 1932-7-24 Sonoma Near Bodega Bay. Comment
  JEPS117102  Agoseris apargioides Peter Warner 2010-6-14 166 Sonoma Jenner Headlands, upper Jenner Pastlure, ~ 300 m, N 76 deg. E of residence house, just downslope from ultramafic outcrop in coastal grassland; above Jenner Gulch near power line overhead and small stand of Douglas-fir Comment
  UC769858  Agoseris grandiflora var. grandiflora R. F. Hoover 1941-5-14 5101 Sonoma hills n of Bodega Comment
  CAS-BOT-BC22783  Agoseris heterophylla John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53989 Sonoma Fairfield Osborn Preserve of the nature Conservancy, 4.5 miles NW of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC22785  Agoseris heterophylla G. DeNevers 1981-4-30 902 Sonoma Pepperwood ranch, at the studio Comment
  RSA0065936  Agropyron Greg de Nevers 1989-04 9065 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  CAS-BOT-BC210016  Agrostis Peter Rubtzoff 1968-7-13 5914 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC361348  Agrostis Greg de Nevers 1997-4-24 10962 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD166090  Agrostis Peter Rubtzoff 1971-6-29 6580 Sonoma Pitkin Marsh, near Forestville. Comment
  UCR244644  Agrostis Peter Rubtzoff 1964-6-24 5368 Sonoma Lower Salmon Creek Marsh 6 Comment
  SEINET10717805  Agrostis P. Rubtzoff 1971-6-29 Rubtzoff 6580 Sonoma Pitkin Marsh, near Forestville. Comment
  UC33751  Agrostis alba Joseph Burtt Davy and Walter C. Blasdale 1899-7-22 6003 Sonoma Guerneville Comment
  CAS-BOT-BC127549  Agrostis blasdalei R. E. Frenkel 1964-6-23 613 Sonoma On California Highway 1, 2.3 miles south of Stewarts Point. 18 Comment
  UCD37151  Agrostis blasdalei Beecher Crampton 1957-7-11 4330 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
  UCD37156  Agrostis densiflora Beecher Crampton 1957-7-11 4350 Sonoma Sonoma County, 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  UCD51888  Agrostis densiflora Beecher Crampton 1957-7-11 4320 Sonoma Sonoma Coast State Park, 1/2 mile north of Salmon Creek. Comment
  UCD51967  Agrostis densiflora P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UC573815  Agrostis exarata H. S. Yates 1937-6-6 6577 Sonoma 3 mi w Santa Rosa; Santa Rosa Quad. Comment
  SEINET10876389  Agrostis exarata A. Arthur Heller 1902-6-7 Heller 5654 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UCD52126  Agrostis exarata Beecher Crampton 1956-6-26 3619 Sonoma about 8 miles northwest of Calistoga, State Hwy. 120. Comment
  UCD53511  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCD53512  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UC36899  Agrostis hallii Michener and Bioletti 1893-6-10 109 Sonoma Hood's Peak Comment
  SEINET7953066 Image available Agrostis microphylla Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen) 189 Comment
  CAS-BOT-BC138922  Agrostis pallens G. DeNevers 1981-5-30 1351 Sonoma Pepperwood Ranch. North side of Studio Road at base of hill, near the green Gate. Comment
  UCD53074  Agrostis pallens Beecher Crampton 1955-6-17 2976 Sonoma 2.4 miles south of Monte Rio. Comment
  UCD53211  Agrostis pallens R. Tofsrud 1951-5-1 s.n. Sonoma Summit of road between Kenwood and Oakville. Comment
  SEINET7594124 Image available Agrostis perennans A. A. Beetle 1941-1 2855 Sonoma 5 miles south of Steward Point 24 Comment
  CAS-BOT-BC138593  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Sonoma county coast, 5 miles south of Stewart Point. Comment
  RSA94459  Agrostis stolonifera Peter Rubtzoff 1951-7-21 514 Sonoma Pitkin Marsh, near Forestville, between the Upper and the Lower marshes Comment
  CAS-BOT-BC176185  Aira caryophyllea Peter Rubtzoff 1974-5-25 7459 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC210112  Aira caryophyllea Peter Rubtzoff 1971-6-5 s.n. Sonoma Intermittent lake off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing. Comment
  RSA244322  Aira caryophyllea Larry E. DeBuhr 1973-5-18 1098 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. 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-BC445338  Alisma lanceolatum Peter Rubtzoff 1955-7-16 1959 Sonoma Bennett Mtn. Lake. Comment
  UCD137916  Alisma lanceolatum Peter Rubtzoff 1954-7-17 1550 Sonoma Austin Creek. Comment
  CAS-BOT-BC445463  Alisma triviale Peter Rubtzoff 1956-9-15 2903 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC445472  Alisma triviale Volney Rattan 1879-1-1 s.n. Sonoma Healdsburg Comment
  JEPS82409  Allium bolanderi Roger Raiche 1983-6-4 30374 Sonoma Sweetwater Springs Road 3.9 mi w West Side Highway (above Porter Creek, e of its intersection with John Gordon Creek, on s side of road); Porter Creek 121 Comment
  POM180615  Allium dichlamydeum J. T. Howell 1930-6-8 5282 Sonoma 8.5 miles north of Bodega Bay. Comment
  CAS-BOT-BC469106  Allium dichlamydeum L. R. Abrams 1920-7-3 7630 Sonoma near Stewart's Point Comment
  CDA18796  Allium triquetrum G. Bjork 2000-3-14 PDR 022581 Sonoma Copperfield Court, Santa Rosa 0 Comment
  CDA2734  Allium vineale G. D. Barbe 1974-4-29 1782 Sonoma 1 mile south of Washington School Road on Asti Road, Asti. 0 Comment
  CAS-BOT-BC453448  Allotropa virgata Hugh Leech 1966-5-30 s.n. Sonoma Ida Clayton Road summit, at Lake Co. line 807 Comment
  JEPS52302  Allotropa virgata Wayne Roderick 1967-6-18 Sonoma On the Ida Clayton Road Northwest of Mt. St. Helena 609 Comment
  CAS-BOT-BC169658  Alnus rhombifolia Peter Rubtzoff 1957-8-18 3522 Sonoma Vacation Beach, near (1.5 mi below) Guerneville. Russian River bank Comment
  RSA155529  Alnus rhombifolia L. S. Rose 1960-9-14 60093 Sonoma Laguna de Santa Rosa, 2 miles east of Grafton 15 Comment
  CAS-BOT-BC303  Alopecurus aequalis Peter Rubtzoff 1955-5-7 1821 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC138048  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1959-5-31 4083 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC137903  Alopecurus saccatus Peter Rubtzoff 1968-6-20 5894 Sonoma 6.5 miles northeast of Penngrove on Lichan Road. 426 Comment
  CAS-BOT-BC257987  Amaranthus Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7846 Sonoma Southern area of Kenwood Marsh, ca. 0.5 miles south of Kenwood. Comment
  CAS-BOT-BC258026  Amaranthus Peter Rubtzoff 1973-10-10 7345 Sonoma American Creek area, 2 miles west of Bloomfield. Comment
  CAS-BOT-BC44968  Ambrosia chamissonis Mary P. Wells 1982-7-4 s.n. Sonoma Pebble Beach, The Sea Ranch Comment
  POM141360  Amelanchier pallida A. A. Heller 1902-7-1 5794 Sonoma Lagoon at Sebastopol Comment
  CAS-BOT-BC154125  Ammannia coccinea Peter Rubtzoff 1963-9-21 5271 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC137885  Ammophila arenaria John H. Thomas 1976-6-17 18349 Sonoma Near northern end of Sea Ranch, northwestern part of Sonoma county, about 4 miles south of Gualala. Comment
  CAS-BOT-BC177231  Amorpha californica var. napensis Brandegee 1893-7-1 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC177234  Amorpha californica var. napensis D. E. Breedlove 1980-6-27 44762 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC80627  Amorpha californica var. napensis Michener and Bioletti May, 1893 Sonoma Nun's Canyon Comment
  CAS-BOT-BC222278  Amsinckia John Thomas Howell 1934-3-25 11777 Sonoma Lakeville Comment
  CHSC90578  Amsinckia intermedia Elizabeth L. Knight 1988-4-1 4 Sonoma About 0.25 mi east-northeast of southernmost point of Bodega Head and 100 ft north of Pacific Ocean. 15 Comment
  RSA0089718  Amsinckia intermedia A. A. Heller, H. E. Brown 1902-3-26 5158 Sonoma Santa Rosa Creek. Comment
  UCD35298  Amsinckia intermedia Beecher Crampton 1955-4-5 2423 Sonoma Along State Highways 37, 12, about 3 miles east of Schellville. Comment
  RSA785704  Anagallis arvensis Carrie A. Herd 1982-5-19 117 Sonoma Rohnert Park, C.S.U. Sonoma, Cluster School Building closest to Nichols Hall. Comment
  UCD117429  Anagallis arvensis Jennifer Bury; Peggy Herzog 1993-5-8 297 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile. On Bald Mountain Stem Trail. 371 Comment
  SD109160  Angelica californica Joseph M. DiTomaso 1980-6-13 1592 Sonoma 4900 Trinity Road, between Glen Ellen and Oakville Comment
  UCD127216  Angelica californica J. M. Tucker 1951-6-26 2139 Sonoma Near summit of range, road from Glen Ellen to Oakville. Comment
  JEPS16079  Angelica hendersonii W. L. Jepson 1931-7-19 15940 Sonoma Salmon Creek 12 Comment
  UCD161384  Angelica tomentosa James A. Neilson Jr.; Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mountains. Ca. 1 1/2 miles northeast of the junction of Socrates Mine Road and Pine Flat Road. (Coordinates and location estimated by label maker.) Comment
  UC89524  Anisocarpus madioides T. S. Brandegee 1892-7-1 Sonoma Fort Ross Comment
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Dec 13 2015
  UCD128895  Anisocarpus madioides Gerry North 1993-4 48 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. On Bald Mountain trail 0.5 mile above fork of Bald Mountain and Meadow trails. 457 Comment
  UCD148386  Anthemis cotula Peter Rubtzoff 1956-9-14 2895 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC102233  Anthemis cotula Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  SEINET11843058  Anthemis cotula W. Knight, Knight, I. 1984-1 5423 Sonoma on Willow Creek Road 61 Comment
  RSA63618  Anthoxanthum aristatum Leo Koch 1940-4-12 841 Sonoma Damp meadow north of Windsor on East side of Hwy 101. Comment
  UC903686  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma n of Winson (e of Hwy 101) Comment
  UCD85356  Anthoxanthum occidentale Robert F. Thorne 1965-4-19 34316 Sonoma Harrison Grade. 1/2 mile from Green Valley Road. 152 Comment
  HSC93590  Anthoxanthum occidentale G. Fred Hrusa, G. L. Stebbins 1994-3-28 11705 Sonoma 14 mi. W of Cazadero Comment
  CAS-BOT-BC137690  Anthoxanthum odoratum Peter Rubtzoff 1960-5-15 4329 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC137695  Anthoxanthum odoratum David L. Morgan 1961-4-15 s.n. Sonoma Russian River Highway 4 miles west of Monte Rio. Comment
  RSA129297  Anthoxanthum odoratum H. S. Yates 1937-6-6 6583 Sonoma 1 mile E. of Duncan Mills 91 Comment
  UCD56277  Anthoxanthum odoratum Beecher Crampton 1957-7-22 4362 Sonoma 8 miles north of Stewart's Point, Bishop Pine grove along State Hwy. 1. Comment
  UCD161271  Anthriscus caucalis James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3700 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
  POM188144  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Marcus E. Jones 1931-7-5 28810 Sonoma The Geysers. Comment
  UC26380  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum J. Burtt Davy 1894-12-9 867 Sonoma Kenwood Comment
  UCR44929  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum L. F. LaPre 1986-6-2 s.n. Sonoma Red Slide, serpentine rockslide along upper East Austin Creek, 5 mi north of Cazadero, 3 mi up a private road from Mannings Flats, Austin Creek State Recreation Area 305 Comment
  JEPS5285  Antirrhinum virga W. L. Jepson 1894-7-19 21300 Sonoma Mt. St. Helena 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
  UCR255744  Apiastrum angustifolium Greg de Nevers 1997-4-16 10934 Sonoma North Coast Range, Cavedale Road 152 Comment
  RSA0056423  Apiastrum angustifolium Greg de Nevers 1997-4-16 10934 Sonoma Cavedale Road. 152 Comment
  SEINET5779372 Image available Apium graveolens Marcus E. Jones 1882-1 3604 Sonoma Duncan's Mills Comment
  POM129966  Apocynum X floribundum M. Alice King 1897-06 s.n. Sonoma Near Healdsburg Comment
  CAS-BOT-BC394991  Aquilegia formosa Peter Rubtzoff 1952-6-13 1254 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC394994  Aquilegia formosa Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC394997  Aquilegia formosa A. A. Heller 1940-5-10 15601 Sonoma near Fort Ross Comment
  UC1073294  Arabis blepharophylla George B. Rossbach 1955-3-19 293 Sonoma n and highest hill Bodega Head 81 Comment
  CAS-BOT-BC171610  Aralia californica Dorothy Scherer 1997-5-6 098 Sonoma Fort Ross Cr, halfway between Hwy. One and ocean, Fort Ross State Historic Park 7 Comment
  POM77224  Arbutus menziesii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CHSC69208  Arctostaphylos James D. Jokerst 1989-4-14 3098 Sonoma Healdsburg Area A Specific Plan Study, in project area, NE corner of project area. Comment
  JEPS98901  Arctostaphylos James Roof and Walter Knight 1967-3-20 Sonoma Guerneville Road about 1/2 mi from Vine Hill Road toward Santa Rosa on N side of road Comment
  RSA629215  Arctostaphylos Jon E. Keeley 1993-9-11 24775 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629225  Arctostaphylos Jon E. Keeley 1993-9-11 24796 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388332  Arctostaphylos Freed W. Hoffman 1947-2-28 764 Sonoma near Healdsburg (headwaters of creek (which is a branch of Mill Creek)); North Coast Ranges, Wild Hog Ridge, Palmer Creek Comment
  UC549543  Arctostaphylos J. E. Adams 1934-3-28 720 Sonoma near Santa Rosa; Vine Hill school Comment
  UC549554  Arctostaphylos J. E. Adams 1934-3-28 718 Sonoma near Santa Rosa; Vine Hill Comment
  UC665624  Arctostaphylos A. A. Beetle 1940-2-18 1573 Sonoma 10 mi w Santa Rosa; Pitkin Ranch Comment
  UC1388360  Arctostaphylos X candidissima Freed W. Hoffman 1948-5-10 2677 Sonoma e face North Coast Ranges, Cobb Mt. 1219 Comment
  CAS-BOT-BC24088  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10953 Sonoma 2 miles east of Occidental Comment
  CAS-BOT-BC24124  Arctostaphylos bakeri Lewis S. Rose 1934-2-22 34032 Sonoma 2 mi. E of Occidental Comment
  UC1120871  Arctostaphylos bakeri A. E. Wieslander 1938-10-29 827 Sonoma Occidental Sebastopol Quadrangle Comment
  UC1120873  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1556 Sonoma 2 mi nne Occidental; Sebastopol Quadrangle Comment
  UC1120874  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1553 Sonoma 1 mi ne Occidental; Sebastopol Quadrangle Comment
  CDA38593  Arctostaphylos bakeri Jim Jokerst 1989-4-13 3095 Sonoma NE side of Hawson Grade Rd 0.4 mi N of its junction with Stoetz Rd., ca. 1 mi NE of Camp Meeker, N of Occidental, W of Santa Rosa. Comment
  RSA240619  Arctostaphylos bakeri subsp. bakeri C. W. Tilforth, John Dourley 1973-7-18 909 Sonoma Graton Rd. 1 mi E of Occidental Comment
  RSA396205  Arctostaphylos bakeri subsp. bakeri F. H. Utech, Walter, Irja Knight 1984-4-18 84 -167 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane. 146 Comment
  UCD50407  Arctostaphylos bakeri subsp. sublaevis Roger Raiche 1982-4-10 20301 A Sonoma King Ridge Rd. (4.5 mi. n. of jct. with Ft. Ross Rd.) about 0.7 mi. in from King Ridge Rd. on Old Layton Mine Rd. On topo map, area is called 'The Cedars,' north of Cazadero, in Sonoma County. Comment
  CDA12039  Arctostaphylos canescens subsp. canescens G. F. Hrusa 1990-1-2 7348 Sonoma North Coast Biodiversity Arena; Hogback Mtn., approx. 4 km. NE of Sonoma. Comment
  POM209916  Arctostaphylos canescens subsp. canescens H. F. Copeland 1933-3-18 A- 10 Sonoma Vine Hill region west of Santa Rosa. Comment
  UC1120921  Arctostaphylos canescens subsp. canescens R. W. Lundh and J. B. Spring 1932-7-19 119 Sonoma 1/2 mi w Los Alamos School; Santa Rosa Quadrangle 518 Comment
  CAS-BOT-BC23900  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12894 Sonoma Rincon Ridge, northeast of Santa Rosa Comment
  POM367248  Arctostaphylos canescens subsp. sonomensis L. S. Rose 1948-1-17 48002 Sonoma Rincon Ridge, east of Sonoma. 152 Comment
  RSA40093  Arctostaphylos canescens subsp. sonomensis L. S. Rose 1948-1-17 48002 Sonoma Rincon Ridge, east of Sonoma. 152 Comment
  UC1309655  Arctostaphylos canescens subsp. sonomensis A. E. Wieslander 1939-3-18 876 Sonoma s edge Rincon Hills; Santa Rosa Quadrangle 121 Comment
  UC1309673  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1577 Sonoma 3/4 mi se County Farm; Santa Rosa Quadrangle, Ricon Ridge 152 Comment
  UC424810  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1930-2-21 3877 a Sonoma Rincon Ridge; ; Riveon Ridge Comment
  CAS-BOT-BC23641  Arctostaphylos columbiana Mary P. Wells 1986-1-9 705 A Sonoma Edge of forest by Pilot's Beach, The Sea Ranch Comment
  UC549636  Arctostaphylos columbiana J. E. Adams 1934-3-28 731 Sonoma seven mi n Fort Ross Comment
  CAS-BOT-BC23639  Arctostaphylos columbiana Mary P. Wells 1985-10-4 667 a Sonoma About 1 mile south of Gualala River Comment
  UCD51494  Arctostaphylos columbiana Beecher Crampton 1957-7-22 4388 Sonoma Along State Hwy. 1; 8.7 miles south of Sewart's Point. Comment
  CAS-BOT-BC24985  Arctostaphylos densiflora Lewis S. Rose 1955-2-28 55005 Sonoma Vine Hill, 9 mi. W of Santa Rosa. Type Locality Comment
  CAS-BOT-BC24989  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5768 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC24997  Arctostaphylos densiflora J. Clausen 1933-3-26 744 Sonoma Vine Hill Schoolhouse, 10 mi. W of Santa Rosa, along road. Comment
  CAS-BOT-BC25011  Arctostaphylos densiflora J. Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-4 4098 Sonoma Originally from Vine Hill area near Sebastopol. Comment
  RSA31996  Arctostaphylos densiflora A. A. Heller 1942-3-15 16398 Sonoma just west of Vine Hill School Comment
  RSA88338  Arctostaphylos densiflora J. T. Howell 1933-4-2 10948 Sonoma 8 miles west of Santa Rosa Comment
  UCD50804  Arctostaphylos densiflora L. Whitney 1932-4-1 Sonoma Santa Rosa. Vine Hill. Comment
  SEINET11988292  Arctostaphylos densiflora Unknown 1957-1 247 Sonoma Vine Hill School Rd, 0.1 mi E of jct with Vine Hill Rd Comment
  SEINET11998358  Arctostaphylos densiflora W. Knight, Knight, I.; Wells, P. V. 1985-1 6380 Sonoma Vine Hill School Rd, CNPS Preserve 46 Comment
  UCD158721  Arctostaphylos glandulosa Teresa A. Sholars 1976-9-9 s.n. Sonoma Mayacmas Mtns. Shell US Geothermal # 2. Ca. 4 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. Elevation estimated by label maker. [note by label-maker: 4 mi southeast would take location out of Sonoma County and out of the geothermal area, unless is road miles]. 975 Comment
  SEINET11993015  Arctostaphylos glandulosa W. Knight, Knight, I.; Edwards, S. W. 1985-1 5173 Sonoma 7.7 mi from W end of Sonoma Lake bridge on Rockpile Rd Comment
  CAS-BOT-BC23325  Arctostaphylos glandulosa subsp. cushingiana C. Hart Merriam 1907-7-27 s.n. Sonoma Mt. St. Helena, Knights Valley slope 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-BC24725  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-3-14 5763 Sonoma Raven Ridge near Santa Rosa. Comment
  CDA11142  Arctostaphylos glandulosa subsp. glandulosa G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11553 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Comment
  RSA339411  Arctostaphylos glandulosa subsp. glandulosa Walter Knight, Ijra Knight, Stephen Edwards 1985-1-27 5173 Sonoma 7.7 miles from west end of Sonoma Lake bridge on Rockpile Road Comment
  UC1388309  Arctostaphylos glandulosa subsp. glandulosa Freed W. Hoffman 1947-4-3 673 Sonoma near Healdsburg (headwaters of creek, branch of Russian River and Mill Creek); North Coast Ranges, Wild Hog Ridge, Palmer Creek Comment
  UC518981  Arctostaphylos glandulosa subsp. glandulosa J. Clausen 1933-3-25 726 Sonoma about 4 mi e Warfield (along road to Oakville) Comment
  UC727007  Arctostaphylos glandulosa subsp. glandulosa A. A. Heller 1942-3-15 16390 Sonoma ne Santa Rosa (top of ridge); Rincon Ridge Comment
  RSA96697  Arctostaphylos glandulosa subsp. glandulosa P. C. Everett, E. K. Balls, George B. Everett 1954-10-20 20378 Sonoma 4.9 mi. s.w. of Lake-Sonoma Co. Line, w. slopes of Mt. St. Helena. 534 Comment
  RSA339413  Arctostaphylos hispidula Roger Raiche 1984-2-26 RR 40044 Sonoma On Rockpile Road ca. 9.1 miles north of origin of Skaggs Springs-Stewarts Point Road 502 Comment
  CAS-BOT-BC39108  Arctostaphylos hispidula Walter Knight; Irja Knight; Stephen W. Edwards 1985-1-27 5172 Sonoma South-facing slope of ridge barrens south of Mt. Tom. 5.1 miles west on Kelly Road from Rockpile Road junction. 609 Comment
  SEINET11993696  Arctostaphylos hispidula Unknown 1984-1 RR 40541 Sonoma Rockpile Road, 7.8 mi N of its beginning at intersection of Skaggs Springs-Stewarts Point Rd 549 Comment
  SEINET11998616  Arctostaphylos hispidula W. Knight, Knight, I.; Wells, P. V. 1985-1 6325 Sonoma Rockpile Rd above Lake Sonoma Comment
  CAS-BOT-BC38991  Arctostaphylos manzanita Roger Raiche 1983-7-10 30491 M Sonoma East Austin Creek State Rec. Area, Near fire road near confluence of Gilliam Creek and Schoolhouse Creek. 121 Comment
  CDA11230  Arctostaphylos manzanita G. F. Hrusa 1989-2-14 5822 Sonoma North Coast Biodiversity Arena; Austin Creek State Recreation Area. immediately S of drainage of Gilliam Creek. Comment
  RSA633058  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27486 Sonoma Stewarts Road ca. 10 km W of Geyserville. 420 Comment
  UCD52069  Arctostaphylos manzanita B. Crampton 1955-6-17 2978 Sonoma 2.4 miles south of Monte Rio. Comment
  UCD52233  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1066 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. 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
Read comments
Oct 17 2013
  HSC7649  Arctostaphylos manzanita Freed W. Hoffman 1947-4-7 1879 Sonoma Between Healdsburg and Calistoga Comment
  SEINET11977790  Arctostaphylos manzanita C. M. Belshaw 1936-1 1576 Sonoma Rincon Ridge, 1.5 mi N of county farm 152 Comment
  SEINET11990969  Arctostaphylos manzanita Unknown 1983-1 30491 A Sonoma near intersection between East Austin Creek & Gray Creek 140 Comment
  SEINET11991019  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4752 Sonoma The Cedars, near Cazadero 274 Comment
  SEINET11991026  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4753 Sonoma The Cedars, near Cazadero 274 Comment
  SEINET12524597 Image available Arctostaphylos manzanita A. E. Wieslander 1936-1 709 Sonoma 2.7 miles south of Mark West Springs, T. 7N, R. 8W, Calistoga quadrangle. 152 Comment
  CAS-BOT-BC38902  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7939 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38948  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7950 Sonoma Mt. St. Helena Comment
  UC517513  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11301 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38706  Arctostaphylos manzanita subsp. manzanita G. DeNevers 1981-11-20 1883 Sonoma In the Garrison Canyon Comment
  CAS-BOT-BC38718  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5775 Sonoma Vine Hill district, 10 miles west of Santa Rosa Comment
  UC1388366  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-2-27 769 Sonoma near Guerneville; North Coast Ranges, Lone Mountain Farm Comment
  UC674749  Arctostaphylos manzanita subsp. manzanita E. A. Goldman 1907-12-29 75 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38690  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1939-1-15 14596 Sonoma Booth place, Knight's Valley Comment
  UC1388367  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-4-7 1879 Sonoma between Healdsburg Calistoga; North Coast Ranges Comment
  CAS-BOT-BC45397  Arctostaphylos nummularia Mary P. Wells 1986-1-9 405 B Sonoma Off Pilot's Reach, The Sea Ranch. Comment
  SBBG115507  Arctostaphylos nummularia subsp. nummularia A. T. Leiser 1968-1-16 Sonoma Sea Ranch 106 Comment
  CAS-BOT-BC47346  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1963-12-27 471 Sonoma Pine Flat Rd., Circle S Ranch. Comment
  JEPS78746  Arctostaphylos stanfordiana Edward Lee 1936-5-3 2017 Sonoma 13.7 mi (by road) from Santa Rosa (Sonoma-Santa Rosa Road) Comment
  UC1388317  Arctostaphylos stanfordiana Freed W. Hoffman 1947-4-13 782 Sonoma near Guerneville; North Coast Ranges, Gilliam Creek, Magnesite Lodge Comment
  UC876545  Arctostaphylos stanfordiana Milo S. Baker 1933-3-18 7333 Sonoma 2 mi ne Santa Rosa; Rincon Ridge Comment
  SEINET11984944  Arctostaphylos stanfordiana subsp. bakeri Unknown 1966-1 695 Sonoma E of Occidental Ridge on Graton Rd, ca 2.5 mi E of Occidental Comment
  RSA177970  Arctostaphylos stanfordiana subsp. stanfordiana R. F. Thorne 1965-4-20 34344 Sonoma Top of Parker Hill (N end of Parker Hill Rd.) ca. 3 mi. No. of Santa Rosa. 244 Comment
  CDA11141  Arctostaphylos viscida G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11552 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Comment
  UCD52200  Arctostaphylos viscida A. E. Wieslander 1938-10-29 848 Sonoma 3 miles E. of Mt. St. Helena (St. Helena Creek). 457 Comment
  CDA11146  Arctostaphylos viscida subsp. pulchella G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11557 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Comment
  SD134044  Aristida oligantha Greg de Nevers 1987-7-10 8234 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa. In seep and seepy meadows. 99 Comment
  CAS-BOT-BC400486  Aristolochia californica Peter Rubtzoff 1951-9-3 738 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  UC157687  Armeria maritima subsp. californica Milo S. Baker Apr. 1899 Sonoma Dillon's Beach Comment
  CDA31283  Arnica discoidea D. G. Kelch, Ed Biffin 2010-5-3 10 .192-B Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CAS-BOT-BC368030  Arnica discoidea Greg de Nevers 1998-6-15 11285 Sonoma CYO Camp on Bohemian Highway. Comment
  RSA0056430  Arnica discoidea Greg de Nevers 1998-6-15 11285 Sonoma CYO Camp on Bohemian Highway. Comment
  UCD56032  Arrhenatherum elatius David L. Morgan 1956-6-10 s.n. Sonoma 2 miles south of Occidental. On Bohemian Highway. Comment
  CAS-BOT-BC90098  Artemisia Mary P. Wells 1988-9-7 965 Sonoma Rincon Valley, Santa Rosa Comment
  UCD38477  Artemisia californica Beecher Crampton 1955-6-17 2971 Sonoma State Hwy. 1, 3.5 miles south of Fort Ross. Comment
  SEINET258281  Artemisia suksdorfii Leila M. Shultz, John S. Shultz 1986-9-20 10233 Sonoma 1 mile north of Jenner along Pacific Coast highway 6 Comment
  SEINET258290  Artemisia suksdorfii Leila M. Shultz, John S. Shultz 1986-9-20 10236 Sonoma 1 mile north of Jenner along Pacific Coast Highway 6 Comment
  UC22995  Asclepias fascicularis F. T. Bioletti June, 1891 Sonoma Comment
  CAS-BOT-BC222859  Asclepias solanoana Helen K. Sharsmith 1952-6-18 4128 Sonoma Inner North Coast Ranges. Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains 975 Comment
  CAS-BOT-BC68781  Aspidotis densa D. E. Breedlove 1980-6-28 44806 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC1299770  Aspidotis densa Freed W. Hoffman 1947-5-30 553 Sonoma Austin Creek Layton Mine Comment
  UC764626  Astragalus breweri R. F. Hoover 1939-4-18 4038 Sonoma Occidental Comment
  RSA108728  Astragalus claranus R. C. Barneby 1954-5-20 11581 Sonoma 7 miles NE of Santa Rosa near Alpine Scool. 500 Comment
  CHSC57353  Athysanus pusillus Shelly A. Kirn 1991-3-28 8 Sonoma Ca. 100 yds e of Hwy 101, 0.5 mi n of Cloverdale. 97 Comment
  SEINET3148002  Athysanus pusillus M. S. Baker 1898-3-26 733 Sonoma Hills near McDonald Reservoir Comment
  UCD163888  Avena Peter Rubtzoff 1980-5-26 9450 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  CAS-BOT-BC146138  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa Creek, east of Santa Rosa. Comment
  POM207090  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa creek, east of Santa Rosa Comment
  RSA785846  Avena fatua Peter Rubtzoff 1980-5-26 9450 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville. Comment
  CAS-BOT-BC68342  Azolla filiculoides Peter Rubtzoff 1959-6-13 4133 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC154151  Baccharis douglasii Peter Rubtzoff 1958-8-23 3918 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC98602  Baccharis douglasii Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC98648  Baccharis douglasii G. DeNevers 1981-7-11 1746 A Sonoma Pepperwood Ranch - at the big spring at the Skovie Comment
  UCD148380  Baccharis glutinosa Peter Rubtzoff 1955-9-10 2129 Sonoma Guerneville Marsh. Comment
  UCR30559  Baccharis glutinosa John C. Roos 1948-8-28 3959 Sonoma North Coast Ranges, near Healdsburg 31 Comment
  CAS-BOT-BC99596  Baccharis pilularis F. G. Krauss 1894-10-14 s.n. Sonoma County Road, Sonoma Valley Comment
  CAS-BOT-BC98218  Baccharis salicifolia Mrs. Alexander McCallum 1898-10-1 s.n. Sonoma Preston Comment
  RSA0025201  Barbarea Peter Rubtzoff 1989-6-10 10004 Sonoma Along Russian River, ca. 6 mi east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC16696  Barbarea orthoceras Dorothy Scherer 1996-3-25 018 Sonoma West of Highway 1 and south of Kolmer Gulch, Fort Rose State Historic Park. 12 Comment
  UCR254839  Barbarea orthoceras Greg de Nevers 1993-4-6 10356 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Creek, along Franz Valley Road by Franz Valley School Road 168 Comment
  UCR254890  Barbarea vulgaris Peter Rubtzoff 1989-6-10 10006 Sonoma Along Russian River, c. 6 miles east of Guerneville, at 9850 River Road 14 Comment
  CAS-BOT-BC145841  Beckmannia syzigachne Peter Rubtzoff 1955-5-7 1817 Sonoma Ross Marsh. Comment
  CAS-BOT-BC145844  Beckmannia syzigachne Peter Rubtzoff 1958-5-10 3645 Sonoma Laguna de Santa Rosa east of Cunningham near Llano Road. Comment
  CDA13125  Beckmannia syzigachne G. F. Hrusa, R. Gross 1996-6-3 13060 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  UCD56780  Beckmannia syzigachne A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3584 Sonoma On Occidental Road near Barstow Station. Comment
  RSA227208  Berula erecta Peter Rubtzoff 1954-9-4 1728 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC164688  Bidens cernua Peter Rubtzoff; Nancy Harrison; Edward Lee; Kenneth Stocking 1979-7-21 9293 Sonoma Bennett Mountain Lake. Comment
  JEPS26041  Bidens frondosa Lewis S. Rose 1960-9-14 60092 Sonoma 2 mi e Graton; Laguna de Santa Rosa 15 Comment
  RSA0015636  Bidens frondosa Peter Rubtzoff 1956-9-15 2905 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC290649  Bidens laevis Peter Rubtzoff 1955-11-27 2170 Sonoma Bodega Head Marsh. Comment
  UCR250384  Bidens laevis Peter Rubtzoff 1955-11-27 2170 Sonoma Bodega Head Marsh 2 Comment
  CAS-BOT-BC258028  Blennosperma bakeri Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7391 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  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
  UC963901 Image available Blennosperma bakeri Milo S. Baker 1946-3-28 11307 Sonoma western outskirts of Sonoma in a hog wallow Sonoma Comment
  UCR51759  Blennosperma bakeri J. T. Howell 1949-4-6 s.n. Sonoma North Coast Range, southwest of Sonoma Comment
Read comments
Dec 17 2019
  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
  UC727776  Blennosperma nanum var. nanum Milo S. Baker 1946-4-21 11335 Sonoma near, along S.R.-Sonoma Hiwy. Old Dunbar School Comment
  CAS-BOT-BC154966  Boisduvalia densiflora Peter Rubtzoff 1954-8-4 1653 Sonoma Guerneville Marsh, along the northern border Comment
  CAS-BOT-BC154970  Boisduvalia densiflora Peter Rubtzoff 1955-8-27 2094 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC154975  Boisduvalia densiflora Peter Rubtzoff 1962-7-6 4975 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  SEINET12188875  Boisduvalia densiflora L. S. Rose 1938-1 38252 Sonoma Bloomfield 30 Comment
  POM32027  Boisduvalia densiflora var. densiflora A. A. Heller 1902-7-8 5820 Sonoma Between Healdsburg and Geyserville Comment
  RSA790900  Boisduvalia stricta Peter Rubtzoff 1954-7-27 1578 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC75486  Bolboschoenus glaucus John Thomas Howell 1987-5-17 s.n. Sonoma Llano Road Marsh. Comment
  UC56353  Bolboschoenus maritimus J. Burtt Davy 1897-9-19 4055 Sonoma Petaluma. Comment
  UC20849  Bowlesia incana Bolander 1866-4-11 4633 Sonoma Petaluma Comment
Read comments
Mar 13 2009
  UC570898  Boykinia occidentalis H. L. Mason 1928-7-11 4889 Sonoma canyon two mi n Fort Ross; n of Fort Ross Comment
  CAS-BOT-BC418502  Boykinia occidentalis W. W. Carruth 1899-7-1 s.n. Sonoma Geyers Comment
  CAS-BOT-BC238186  Brassica napus Joe Ditomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab, across from entrance to the marine facility, along roadside Comment
  CAS-BOT-BC36619  Brassica nigra Dorothy Scherer 1996-4-19 032 Sonoma East of Highway 1 and south of Fort Ross Creek. Fort Rose State Histroric Park. 51 Comment
  CAS-BOT-BC36708  Brassica rapa Mary P. Wells 1984-5-16 s.n. Sonoma Santa Rosa. Rincon Valley. Friends House grounds. Comment
  CAS-BOT-BC182742  Brassicaceae Peter Rubtzoff 1959-6-20 4187 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC100472  Brickellia californica H. E. McMinn 1922-6-7 187 Sonoma near Cosmo by Russian River Comment
  UCD57125  Briza maxima Michael A. Vincent; Ethan H. Freid 1997-11-14 8172 Sonoma Bodega Bay. 0.5 mile northeast of city limits along Rt. 1. Comment
  UCD57148  Briza maxima B. Crampton 1955-6-17 2968 Sonoma Along State Hwy. 1. Fort Ross. Comment
  SEINET10514367  Briza maxima Ira L. Wiggins, Roxana S. Ferris 1943-4-30 Wiggins 10165 Sonoma Roadside 1/2 mile south of Asti, along U.S. Highway 101. Comment
  CAS-BOT-BC145298  Briza minor L. Beane; Lois E. James 1949-5-16 1946 Sonoma About 3 miles south of Healdsburg. Comment
  UC796668  Briza minor Ira L. Wiggins 1949-4-30 12070 Sonoma 4 mi w Calistoga (just w of county line) Comment
  UCD57399  Briza minor Charles B. Heiser Jr. 1946-5-19 1753 Sonoma Russian River near Duncan Mills. Comment
  RSA22248  Briza minor Leo Koch 1938-4-21 82 Sonoma Hayfield along Redwood Highway about four miles north of Santa Rosa Comment
  CAS-BOT-BC478963  Brodiaea californica subsp. californica Greg de Nevers 1991-6-22 9753 Sonoma Pepperwood Natural Preserve 3450 Franz Valley Road 475 Comment
  CAS-BOT-BC140074  Brodiaea californica var. leptandra Roger Raiche 1985-6-22 RR 50553 Sonoma West side of Dry Cr Valley and west of town site of Dry Creek, unnamed ridge north of Crane Cr and south of Bradford Mt. 161 Comment
  SEINET6879014  Brodiaea coronaria A. G. Vestal 1962-4-11 s.n. Sonoma 1 mile east of Occidental. Comment
  CAS-BOT-BC484396  Brodiaea elegans subsp. elegans Peter Rubtzoff 1962-6-19 4931 Sonoma Occidental Marsh Comment
  CAS-BOT-BC484398  Brodiaea elegans subsp. elegans Peter Rubtzoff 1969-6-15 6086 A Sonoma Laguna de Santa Rosa 1 mile east/southeast of Sebastopol Comment
  CAS-BOT-BC486535  Brodiaea elegans subsp. elegans Peter Rubtzoff 1952-6-10 1226 Sonoma Top of Fitch Mountain, near Healdsburg 304 Comment
  SEINET5500783 Image available Brodiaea laxa Sally Walker 1981-5-25 Sonoma 4 mi W of Occidental. Comment
  CHSC20586  Brodiaea stellaris Robert A. Schlising; Glenn Keator 1965-5-22 2825 Sonoma About 1 mile east of Occidental, along Graton Road. Comment
  UCD77159  Brodiaea terrestris Robert E. Preston 2005-6-11 2350 Sonoma Irish Hill, along Coleman Valley Rd, ca. 1 mi E of Hwy 1. 208 Comment
  JEPS7708  Brodiaea terrestris subsp. terrestris W. L. Jepson 1921-6-3 9308 Sonoma Wilfred station Santa Rosa Valley Comment
  CAS-BOT-BC486463  Brodiaea terrestris subsp. terrestris A. A. Heller 1940-5-10 15602 Sonoma Near the ocean north of Fort Ross. Comment
  CAS-BOT-BC486472  Brodiaea terrestris subsp. terrestris H. C. Cantelow 1936-5-3 s.n. Sonoma Between Shellville and Verano Comment
  UCD58245  Bromus carinatus G. L. Stebbins Jr.; W. S. Boyle 1942-5-12 3231 Sonoma 2.8 miles north of Occidental. On road to Monte Rio. Comment
  CAS-BOT-BC155900  Bromus catharticus var. elatus David L. Morgan 1956-5-13 s.n. Sonoma On Arnold Drive, 0.5 mile south of Sonoma State Home. Comment
  CAS-BOT-BC155956  Bromus commutatus R. E. Frenkel 1964-6-23 610 Sonoma On Seaview Road, 3.1 miles north of Fort Ross Road. 396 Comment
  CAS-BOT-BC332750  Bromus commutatus Peter Rubtzoff 1974-6-2 7525 Sonoma Upper Green Valley Marsh. Comment
  UCD36635  Bromus commutatus Beecher Crampton 1955-6-8 2829 Sonoma Sonoma County, 6 miles northwest of Calistoga, along State Highway 128. Comment
  UCD58473  Bromus commutatus B. Crampton 1955-6-8 2829 Sonoma Along State Hwy. 128. 6 miles northwest of Calistoga. Comment
  UC1010995  Bromus hordeaceus Virginia Bufford 1936-5-22 383 Sonoma about 10 mi from Stewarts Point (Skaggs Spring Road); Skaggs Spring Road Comment
  UC730043  Bromus hordeaceus Leo F. Koch 1940-4-22 831 Sonoma 2 mi from Jimtown (Alexander Valley Road to Geysers); Alexander Valley Road Comment
  UCD58707  Bromus hordeaceus Mary M. Hektner; Sue Dakuzaku 1974-6-3 18 Sonoma Sea Ranch. Near State Highway 1. Unit 24 Owners' Map. Comment
  CAS-BOT-BC162389  Bromus laevipes G. DeNevers 1981-5-23 1291 Sonoma Pepperwood Ranch. Lower Pepperwood entrance. Comment
  UC37643  Bromus laevipes Michener and Bioletti 1893-6-10 112 Sonoma Hood's Peak Comment
  UCD58951  Bromus laevipes Gerry North 1993-4 20 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. Second pullout on right after park entrance. 0.3 miles from Goodspeed trailhead. 50 m south of Pony Gate Gulch Creek crossing. 274 Comment
  JEPS128348  Bromus madritensis subsp. rubens Roger Raiche 2000-4-8 029 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC903721  Bromus madritensis subsp. rubens Milo S. Baker 1947-5-7 11724 Sonoma Hood Mountain, near Grant Line Hood Mountain 228 Comment
  RSA126879  Bromus marginatus H. S. Yates 1937-5-31 6566 Sonoma 1 1/2 miles northeast of Petrified Forest. 335 Comment
  CAS-BOT-BC162256  Bromus maritimus Peter H. Raven 1963-4-28 18249 Sonoma Between town of Bodega Bay and Bodega Head. Comment
  CAS-BOT-BC161701  Bromus rubens A. S. Hitchcock 1902-4-4 5216 Sonoma Hills near Santa Rosa. Comment
  CAS-BOT-BC161704  Bromus rubens G. DeNevers 1981-5-23 1300 Sonoma Pepperwood Ranch. North of the Green House. Comment
  UCR254896  Calamagrostis Peter Rubtzoff 1971-6-10 6537 Sonoma Pitkin Marsh, near Forestville 38 Comment
  HSC95464  Calamagrostis bolanderi Colette Beaupre 2000-7-6 Sonoma Near Sea Ranch, CA on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB&M 183 Comment
  UCD37161  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma Sonoma County, Sonoma Coast State Park, 8.7 miles south of Stewart's Point. Comment
  RSA0056454  Calamagrostis bolanderi Greg de Nevers 1998-6-15 11287 Sonoma CYO Camp on Bohemian Highway. Comment
  UC768850  Calamagrostis koelerioides R. F. Hoover 1941-5-14 5090 Sonoma 2 mi s Monte Rio (toward Camp Meeker) Comment
  CDA31620  Calamagrostis nutkaensis P. B. Kennedy 1919-5-16 Sonoma Del Mar. 0 Comment
  RSA55254  Calamagrostis nutkaensis Timothy S. Ross 1938-7-7 2926 Sonoma Near Ft. Ross. Comment
  SEINET10900606  Calamagrostis nutkaensis George B. Van Schaack, George F. Freytag 1950-8-15 Van Schaack 3074 Sonoma 5 m S of Stewart's Point, Comment
  CDA11252  Calamagrostis ophitidis G. F. Hrusa, G. L. Stebbins, D. Keil, V. L. Holland 1994-6-5 11875 Sonoma North Coast Biodiversity Arena; Colonial bunchgrass beneath open Cupressus sargentii woodland/forest. Large serpentine outcrop approx. 1 m. N of Camp Meeker on Bohemian Hwy.. 0 Comment
  CAS-BOT-BC438601  Calandrinia ciliata Peter Rubtzoff 1959-4-18 4030 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Road crossing. Comment
  CAS-BOT-BC438609  Calandrinia ciliata A. A. Heller; H. E. Brown 1902-4-9 5234 Sonoma Three miles South of Healdsburg Comment
  CAS-BOT-BC438604  Calandrinia ciliata Peter Rubtzoff 1954-11-18 1765 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC438607  Calandrinia ciliata Peter Rubtzoff 1952-3-23 885 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west. Comment
  JEPS22749  Calendula arvensis Harry K. Roberts 1959-4-15 Sonoma in orchard at 1385 West College Ave, Santa Rosa Santa Rosa Comment
  CDA7759  Calendula arvensis Plane/S. Thomas 2008-2-26 PDR# 1481678 Sonoma Kenwood, 11011 Sonoma Hwy 0 Comment
  UCD129656  Calendula arvensis John Thomas Howell 1954-4-1 29138 Sonoma east of Shellville. Comment
  UCD129661  Calendula arvensis Shirley C. Tucker 1965-2-7 s.n. Sonoma ca. 2 miles east of Sonoma. Comment
  UCR249037  Callitriche Peter Rubtzoff 1972-6-29 6814 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC290644  Callitriche Peter Rubtzoff 1972-6-29 6814 Sonoma Laguna, Chileno Valley. Comment
  RSA0015565  Callitriche heterophylla Peter Rubtzoff 1971-5-8 6450 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  NY370183  Callitriche heterophylla var. bolanderi C. H. Michener 1893-4-25 s.n. Sonoma Comment
  UCR249030  Callitriche verna Peter Rubtzoff 1974-4-6 7348 Sonoma Kenwood Marsh 120 Comment
  JEPS61625  Calochortus amabilis Docia I. Patchett 1917-5-7 Sonoma Cazadero Road near Clark's Crossing Comment
  UC400140  Calochortus amabilis Ynes Mexia 1929-6-2 2393 Sonoma near Mark West Springs Comment
  UC843631  Calochortus amabilis Mrs. Eliz. Parsons Hawver Jun 1915 Sonoma Skaggs Springs Comment
  SEINET12049777  Calochortus amabilis F. H. Utech 1986-1 86 -106 Sonoma ca 3 mi NE on Cavedale Road from junction with CA 12 250 Comment
  UCD139529  Calochortus luteus Frederica Bowcutt 1994-6-12 1850 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 75 yards N of Sonoma Creek. 411 Comment
  CAS-BOT-BC492638  Calochortus luteus James L. Reveal 1987-6-7 6412 Sonoma Along Geysers Road, 4.4 miles east-southeast of U.S. Along Cavedlae Road, about 1.5 mile south of Trinity Road, in grassy open areas of heavy soil among Quercus and other chaparral species about 13 airline miles southeast of Santa Rosa 579 Comment
  UC423014  Calochortus nudus Milo S. Baker Jul 1897 166 Sonoma Mayfield Road, Anderson's Sheep camp Comment
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Feb 12 2015
  JEPS82297  Calochortus raichei Roger Raiche 1983-6-25 20424 Sonoma above Layton Mine (Austin Creek watershed); The Cedars, Austin Creek 365 Comment
  JEPS83743  Calochortus raichei Roger Raiche 1986-7-7 60214 Sonoma n Cazadero (sw-facing serpentine slope); The Cedars, Red Slide Creek (central branch) Comment
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Aug 2 2012
  UCD161318  Calochortus superbus James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3716 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Coordinates estimated by label maker.) Comment
  CAS-BOT-BC494036  Calochortus tolmiei Mary P. Wells 1972-4-22 s.n. Sonoma On mound on Lot 10, unit15 near the cliff, The sea Ranch Comment
  RSA515348  Calochortus tolmiei F. Sibal 1965-5-29 s.n. Sonoma Hwy 1 between Anchor Bay and Gualala. 152 Comment
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Mar 30 2015
  CAS-BOT-BC132642  Calochortus uniflorus Ella Dales Cantelow 1939-4-8 3966 Sonoma S. of Shellville Comment
  RSA255487  Calycadenia multiglandulosa subsp. cephalotes Gerald D. Carr 1971-7-6 577 Sonoma Jct. of Facienda Lane and Occidental Road. Comment
  UC89043  Calycadenia truncata Katharine Brandegee 1892-8-1 Sonoma Petrified Forest Comment
  UCR255699  Calycadenia truncata Peter Rubtzoff 1966-8-3 5779 Sonoma North Coast Range, going up Bennett Mountain from Lawndale to Bennett Mountain Lake 305 Comment
  CAS-BOT-BC272760  Calycadenia truncata subsp. truncata Milo S. Baker 1933-9-11 7557 Sonoma Between Calistoga, Napa County, and Redwood Highway Comment
  CAS-BOT-BC90987  Calycanthus occidentalis Peter Rubtzoff 1952-6-9 1189 Sonoma North slopes of Fitch Mountain, near Healdsburg. Comment
  CAS-BOT-BC90995  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-BC91008  Calycanthus occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-15 13554 Sonoma Green Valley Road 0.8 mile east of junction with Harrison Grade Road. Comment
  CAS-BOT-BC91016  Calycanthus occidentalis Catherine Best 1981-6-5 s.n. Sonoma Bohemian Highway 3 miles north of Occidental. Comment
  SEINET12094722  Calycanthus occidentalis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -232 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
  SEINET8565825 Image available Calycanthus occidentalis S. L. G. 1892-1 2919 Sonoma Comment
  CHSC27858  Calypso bulbosa Pauline kunst 1977-3-6 12 Sonoma Abundant, ca. 0.2 mi ne of jct of Camp Meeker Occidental Rd. and Sylvania Heights, Camp Meeker. 188 Comment
  UC1794970  Calystegia R. K. Brummitt and T. F. Daniel 1997-5-31 19616 Sonoma 10 km NE of Santa Rosa, Pepperwood Ranch Natural Preserve, 2 km N of Bechtel Cabin. Comment
  RSA0059767  Calystegia D. F. Howe 1969-5-28 s.n. Sonoma 13.5 miles north of Jenner on Highway 1. Comment
  JEPS87232  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1992-5-17 1298 Sonoma Found on the Anderson Trail (west side of Black Mountain, east of Geyserville (across the road from a sign that said Stop for Golf Carts) 594 Comment
  RSA394815  Calystegia purpurata J. Russell Bruff 1968-5-1 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC224741  Calystegia purpurata subsp. saxicola John Thomas Howell 1930-6-8 5290 Sonoma 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC224744  Calystegia purpurata subsp. saxicola R. K. Brummitt 1997-6-10 19682 Sonoma 1 km S of Sereno Del Mar, just S of Schoolhouse Beach 15 Comment
  RSA697152  Calystegia purpurata subsp. saxicola J. R. Bruff 1936-8-21 s.n. 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
  SEINET12327834  Calystegia subacaulis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -171 Sonoma 0.6 mi from junction of Harrison Grade Road on Stoetz Lane 146 Comment
  CAS-BOT-BC498784  Camassia quamash subsp. linearis H. C. Cantelow 1940-4-20 3888 Sonoma N of Fork Ross, Hwy 1 Comment
  RSA186553  Camissonia ovata Peter H. Raven 1963-4-28 18250 Sonoma Town of Bodega Bay Comment
  SEINET7075564  Camissonia ovata A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley. 38? deg. 24' 31" North Latitude, -122? deg. 37' 52" West Longitude. UTM Zone 10, 532220mE, 4251005mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC160367  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Alice Eastwood 1915-6-29 4832 Sonoma Bodega Point Comment
  CAS-BOT-BC160369  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  CAS-BOT-BC160364  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Peter H. Raven 1963-4-28 18247 Sonoma Between town of Bodega Bay and Bodega Head Comment
  SEINET10463895  Campanula californica Parks 1925-7-20 PARKS s.n. Sonoma STEWART'S POINT Comment
  CAS-BOT-BC37767  Cardamine californica J. Clausen 1933-3-25 728 Sonoma About 4 miles east of Warfields on road to Oakville. 213 Comment
  JEPS119398  Cardamine californica J. Greenhouse with R. Raiche, H. Bartosh, J. Game 2012-2-4 5143 Sonoma The Cedars. Comment
  UC72915  Cardamine californica Milo S. Baker 1898-4-3 Sonoma roadside between Guerneville and Cazadero; btwn Guerneville and Cazadero Comment
  UCD114498  Cardamine californica R. H. Miller 1949-4-6 24 Sonoma 5 miles southeast of Monte Rio, on Highway 12. 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
  RSA177977  Cardamine californica var. integrifolia R. F. Thorne 1965-4-19 34303 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC38031  Cardamine oligosperma Peter Rubtzoff 1959-6-20 4160 Sonoma Willow Creek Marsh. Bank of Willow Creek. Comment
  CAS-BOT-BC384865  Cardionema ramosissimum Walter Knight; Irja Knight 1963-8-13 317 Sonoma Horseshoe Cove Comment
  UC1795018  Carduus R. K. Brummitt, A. Wolf, and R. W. Howe 1998-5-15 19862 Sonoma 17 km NNE of Healdsburg, on Pine Flat Road near Red Hill 650 Comment
  UCD166500  Carduus pycnocephalus Peter Rubtzoff 1962-6-1 4874 Sonoma Freestone Marsh. Comment
  SEINET5713022  Carduus pycnocephalus Peta Lewis 1967-1 13 Sonoma Ca. 2 miles east on River Road, 3 miles north of Guerneville.; Guerneville 23 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
  HSC82088  Carduus tenuiflorus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5130 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  UCR254828  Carex abrupta Peter Rubtzoff 1958-4-26 3585 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC344830  Carex abrupta Peter Rubtzoff 1962-7-14 s.n. Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC18142  Carex athrostachya Peter Rubtzoff 1958-5-17 3673 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC329309  Carex barbarae Peter Rubtzoff 1974-6-2 7524 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC350809  Carex barbarae Peter Rubtzoff 1955-5-21 1873 Sonoma Forestville Marsh. Comment
  UC1133324  Carex barbarae H. S. Yates 1936-5-16 5584 Sonoma 1 mi NE of Graton 30 Comment
  UCR249338  Carex barbarae Peter Rubtzoff 1953-5-16 1360 Sonoma Vacation Beach, near Guerneville, along Russian River 3 Comment
  CAS-BOT-BC310297  Carex barbarae Peter Rubtzoff 1970-6-14 s.n. Sonoma 3 miles west of Fulton on north side of River Road. Comment
  CAS-BOT-BC19568  Carex bolanderi Roxana S. Ferris; Laura Lorraine 1961-6-14 13539 Sonoma Joy Road grade, 1.8 mile from junction with Bodgea Highway. Comment
  HSC100878  Carex bolanderi Peter Warner 2011-6-16 217 Sonoma Jenner Headlands property, E area, ~1.7 mi. NNW of Duncans Mills, ~250 m up 'east ridge' road from main gravel road. 294 Comment
  UCD140182  Carex brevicaulis P. G. Connors 1991-5-24 110 Sonoma Bodega Marine Laboratory, Bodega Head and Dunes. Comment
  CAS-BOT-BC18984  Carex densa Peter Rubtzoff 1960-5-15 4337 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC20476  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13025 Sonoma Sebastopol. Comment
  CAS-BOT-BC20498  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Sonoma County Marshes. Stony Point Marsh. Comment
  CAS-BOT-BC246548  Carex densa Peter Rubtzoff 1960-5-15 4324 Sonoma Fife Creek Marsh Comment
  UC1133350  Carex densa H. S. Yates 1936-5-3 5575 Sonoma 1 mi NE of Petrified Forest 304 Comment
  CAS-BOT-BC18993  Carex densa Katherine Esau 1935-5-5 s.n. Sonoma Near Petrified Forest. Comment
  UCR250396  Carex exsiccata Peter Rubtzoff 1954-8-2 1622 Sonoma Duncan Mills Marsh, upper portion of marsh 2 Comment
  CAS-BOT-BC19953  Carex exsiccata A. A. Heller 1902-7-1 5798 Sonoma Lagoon at Sebastopol. Comment
  UC727688  Carex feta Milo S. Baker 1946-5-13 11391 Sonoma s end of Pitkin Marsh Vine Hill Region Comment
  CAS-BOT-BC28364  Carex gracilior Peter Rubtzoff 1958-5-10 3635 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road) Comment
  CAS-BOT-BC28333  Carex gracilior Henry Nicholas Bolander 1864-4-1 3814 Sonoma Meadow near mark West Creek. Comment
  CAS-BOT-BC32474  Carex gracilior Henry Nicholas Bolander 1864-4-1 3822 Sonoma Meadow at Cloverdale Comment
  SEINET7560150 Image available Carex gracilior Alice Eastwood, John Thomas Howell 1936-5-19 2499 Sonoma North limits of Santa Rosa. Comment
  CAS-BOT-BC146614  Carex gynodynama A. A. Heller 1903-4-23 6605 Sonoma Fort Ross Comment
  CAS-BOT-BC21905  Carex harfordii Peter Rubtzoff 1957-5-4 3306 Sonoma Duncan Mills Marsh. At the border of the upper portion of the marsh. Comment
  CAS-BOT-BC21909  Carex harfordii Peter Rubtzoff 1955-5-21 1867 Sonoma Forestville Marsh. North facing slope bordering the marsh in the south. Comment
  UC1133465  Carex harfordii H. S. Yates 1936-5-16 5622 Sonoma near Green Valley School; Sebastopol Quadrangle Comment
  CAS-BOT-BC311813  Carex hendersonii Peter Rubtzoff 1957-5-4 3302 Sonoma Duncans Mills Marsh. Comment
  UC1026419  Carex lemmonii Peter Rubtzoff 1951-7-8 403 Sonoma near Forestville (Pitkin Marsh, lower part of the upper marsh) Comment
  UCR248945  Carex leporina Peter Rubtzoff 1966-6-5 5758 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC31431  Carex leptopoda Peter Rubtzoff 1951-6-17 273 Sonoma Pitkin Marsh, near Forestville. Forest S of the Upper Marsh. Comment
  CAS-BOT-BC322116  Carex leptopoda Peter Rubtzoff 1955-5-14 1841 Sonoma Austin Creek Marsh. Comment
  SBBG32422  Carex leptopoda L. S. Rose 1964-6-3 64051 Sonoma N end of Bodega Bay 1 Comment
  RSA94277  Carex leptopoda Peter Rubtzoff 1951-6-9 164 Sonoma Pitkin Marsh, near Forestville; Forest south of the Upper Marsh. Comment
  CAS-BOT-BC32192  Carex multicaulis D. E. Breedlove 1983-4-11 58672 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  CAS-BOT-BC119733  Carex nebrascensis John Thomas Howell 1946-8-17 22864 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC422366  Carex nudata Peter Rubtzoff 1962-5-6 4811 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  UCD140690  Carex nudata Beecher Crampton 1956-4-24 3311 Sonoma 7.5 miles northwest of Calistoga. Comment
  RSA0034041  Carex obnupta Peter Rubtzoff 1964-5-20 5305 Sonoma Brooks Gulch Marsh. Comment
  SD88337  Carex obnupta Darley F. Howe 1972-5-2 Sonoma Duncan Mills Pond. Comment
  UCD150841  Carex obnupta Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  CAS-BOT-BC119318  Carex obnupta LeRoy Abrams 1920-7-3 7606 Sonoma Gualala River near Mendocino-Sonoma Co. Line. Comment
  CAS-BOT-BC119286  Carex ovalis John Thomas Howell; J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh. Comment
  RSA201424  Carex ovalis J. T. Howell 1947-6-5 23240 Sonoma Cunningham Marsh Comment
  RSA0022359  Carex pachystachya Peter Rubtzoff 1964-5-20 5316 Sonoma Brooks Gulch Marsh. Comment
  SEINET7570602 Image available Carex pansa Catherine Best 1985-5-15 1086 Sonoma Bodega Head. Comment
  RSA51977  Carex pellita J. T. Howell 1945-5-30 s.n. Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC329280  Carex stipata Peter Rubtzoff 1955-5-14 1838 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC173805  Carex stipata Peter Rubtzoff; Nancy Harrison 1978-5-20 9178 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  SEINET10747934  Carex stipata A. Arthur Heller 1902-6-10 Heller s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC116931  Carex subbracteata Peter Rubtzoff 1957-5-11 3330 Sonoma Occidental Marsh. Comment
  RSA758132  Carex subbracteata Peter Rubtzoff 1958-4-26 3605 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC116783  Carex subbracteata var. subbracteata Peter Rubtzoff 1957-5-26 3360 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC329285  Carex tumulicola Peter Rubtzoff 1957-5-26 3368 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC350933  Carex tumulicola Peter Rubtzoff 1954-7-5 1541 Sonoma Guerneville Marsh. Comment
  RSA0034192  Carex tumulicola Peter Rubtzoff 1971-6-25 6561 Sonoma Intermittent lake off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UC589968  Carex vesicaria var. major H. S. Yates 1936-5-17 5632 Sonoma 2 mi ne Graton; Sebastopol Quadrangle 30 Comment
  CDA36813  Carthamus creticus D. B. Joley, W. J. Ferlatte 1976-1 24 Sonoma Petaluma Hill Rd. 0 Comment
  HSC33346  Carthamus creticus J. Shelgren, William J. Ferlatte 1973-7-11 1490 Sonoma SE of Santa Rosa Crane Canyon, 1 mile E of Petaluma Hill Rd. 52 Comment
  CAS-BOT-BC281918  Carthamus lanatus T. C. Fuller 1970-9-29 19804 Sonoma N side of Valley Ford Rd, 6 miles W of Petaluma Comment
  CAS-BOT-BC281920  Carthamus lanatus Greg de Nevers 1992-7-22 10223 Sonoma Sonoma Mountain, Lichau Rd, Fairfield-Osborn Preserve 243 Comment
  UCR18581  Carthamus tinctorius John C. Roos, L. Roos 1959-9-2 6599 Sonoma North Coast Ranges, Healdsburg, Healdsburg dump Comment
  CAS-BOT-BC371467  Caryophyllaceae Greg de Nevers 1993-5-30 10468 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa along Piney Canyon Rd. from Bald Hills 400 Comment
  UCD151183  Castilleja attenuata James A. Neilson Jr. 1974-4-16 2873 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 Comment
  SEINET7067275  Castilleja densiflora A. G. Vestal 1947-5-13 s.n. Sonoma About 4.8 miles east of Annapolis. Coordinate datum: NAD27. UTM Zone 10, 475046mE, 4286799mN. Comment
  UCD150844  Castilleja densiflora 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
  SD62057  Castilleja franciscana Darley F. Howe 1965-8-3 Sonoma 2.4 miles east of Bodega Bay on Highway #1. Comment
  UC70350  Castilleja rubicundula subsp. lithospermoides Milo S. Baker 1898-5-7 599 Sonoma Glen Ellen Comment
  JEPS3672  Castilleja subinclusa subsp. franciscana C. R. Bell 1951-4-29 1103 Sonoma near Bodega; Larkspur Rock Comment
  JEPS3671  Castilleja wightii C. R. Bell 1951-6-6 1133 Sonoma about 1 mi s Bodega (rocky point between State Hwy 1 and Bodega Bay) Comment
  JEPS85724  Castilleja wightii L. R. Heckard 1968-7-23 2070 Sonoma n of Bodege Bay; Schoolhouse Beach Comment
  UC1032389  Castilleja wightii H. S. Yates 1934-4-21 3811 Sonoma Bodega Point; Duncan Mills Quad. 7 Comment
  UC473463  Castilleja wightii John Thomas Howell 1930-6-27 5412 Sonoma 4 mi n Bodega Bay Comment
  CAS-BOT-BC47799  Ceanothus John Thomas Howell 1937-4-11 12903 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC48515  Ceanothus confusus Bruce A. Stein 1981-5-31 557 Sonoma Rincon Ridge, Fountaingrove Ranch 228 Comment
  CAS-BOT-BC48519  Ceanothus confusus John Thomas Howell 1933-4-2 10937 Sonoma Mt. Hood, Sonoma Creek Canyon Comment
  CAS-BOT-BC83812  Ceanothus confusus D. O. Burge; Steven Kembel 2008-5-29 1003 c Sonoma Mayacmas Mountains, western slope of Mount Hood 560 Comment
  RSA21909  Ceanothus confusus J. T. Howell 1937-4-11 12908 Sonoma Sonoma Creek Canyon at M S Baker's. Comment
  UC1281312  Ceanothus confusus H. E. McMinn 1944-11-5 5451 Sonoma Rincon Ridge, olive orchard Comment
  CAS-BOT-BC49152  Ceanothus cuneatus John Thomas Howell 1934-3-26 11794 Sonoma Knight's Valley Comment
  JEPS128184  Ceanothus cuneatus var. ramulosus Roger Raiche 2001-3-17 006 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  HSC39116  Ceanothus divergens Gary S. Lester 1974-2-9 65 Sonoma Annadel State Park off Lawndale Rd. 488 Comment
  CAS-BOT-BC64424  Ceanothus foliosus Walter Knight; Irja Knight 1963-8-23 191 Sonoma Josh Ranch, Calistoga Rd. Comment
  UCD158849  Ceanothus foliosus James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2919 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  SBBG4198  Ceanothus foliosus var. foliosus M. Van Rensselaer 1941-4-27 1637 Sonoma Trinity Rd, Mt Hood Range Comment
  CAS-BOT-BC49998  Ceanothus gloriosus Milo S. Baker 1935-4-1 8028 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50001  Ceanothus gloriosus John Thomas Howell 1935-5-5 12617 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50017  Ceanothus gloriosus John Thomas Howell 1937-4-11 12900 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  JEPS42421  Ceanothus gloriosus F. W. Hoffman 1928-3-30 Sonoma Lone Mountain Farm Guerneville Comment
  UC870562  Ceanothus gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S of Stewart's Point Comment
  CAS-BOT-BC32737  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6694 Sonoma Vine Hill District, 9 miles W of Santa Rosa Comment
  SBBG27258  Ceanothus gloriosus var. exaltatus C. B. Wolf 1941-7-30 4389 Sonoma 8.5 mi S of Stewart's Pt, at entrance to Salt Pt Ranch 30 Comment
  HSC101102  Ceanothus gloriosus var. exaltatus Peter Warner 2011-8-12 231 Sonoma Jenner Headlands, mid-upper Jenner Gulch watershed, ridgetop, about 1.6 km N42 deg. E fr. cottage on Willig Extension 322 Comment
  CAS-BOT-BC49976  Ceanothus gloriosus var. gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S. of Stewart's Point Comment
  CAS-BOT-BC63737  Ceanothus griseus A. A. Heller 1903-4-23 6606 Sonoma Fort Ross. Comment
  UC917250  Ceanothus griseus C. B. Heiser Jr. 1946-4-13 1753 Sonoma Roadside near Jenner Comment
  UC1070747  Ceanothus incanus H. S. Yates 1934-4-21 3782 Sonoma Near Freestone 60 Comment
  UCD160873  Ceanothus integerrimus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3268 Sonoma Mayacmas Mountains, ca. 1/2 mile south of 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
  RSA107840  Ceanothus jepsonii L. S. Rose 1955-3-21 55030 Sonoma 2 mi NE of Occidental 213 Comment
  UC1070785  Ceanothus jepsonii C. M. Belshaw 1936-3-8 1584 Sonoma .75 mi n. Annadel (nw of Kenwood); Santa Rosa quad. Comment
  UC1281528  Ceanothus jepsonii H. E. McMinn 1931-6-29 2566 Sonoma 5 mi n Cloverdale Comment
  CAS-BOT-BC51114  Ceanothus jepsonii Mr. S. Evans 1958-5-1 s.n. Sonoma Northern Sonoma Co. near McDonald Comment
  SEINET12211130  Ceanothus jepsonii var. albiflorus Unknown 1985-1 50182 Sonoma Dry Cr. area nr Healdsburg, ridge W of Dry Cr Valley, unnamed road n of Dorman Cyn 244 Comment
  UC73365  Ceanothus oliganthus var. sorediatus Milo S. Baker 1898-4-23 27 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC51871  Ceanothus parryi T. S. Brandegee 1889-6-1 20 Sonoma Tall House, Mt. St. Helena Comment
  CAS-BOT-BC51885  Ceanothus parryi Greg de Nevers; Frank Almeda 1987-4-11 8138 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC51889  Ceanothus parryi A. A. Heller; H. E. Brown 1902-5-29 5620 Sonoma Mt. Hood Comment
  UC1299538  Ceanothus parryi Freed W. Hoffman Apr 1947 888 Sonoma Wild Hog Rodge, headwaters of Palmer Creek Comment
  UCR141957  Ceanothus parryi Beecher Crampton 1955-6-17 2933 Sonoma North Coast Range, 3.3 miles west of Forestville, along State Highway 116 ['12'] 61 Comment
  SEINET13946221 Image available Ceanothus parryi Leo Koch 1939-1 631 Sonoma Campus of Santa Rosa Junior college. Comment
  UC1254092  Ceanothus purpureus J. A. Delapp 1964-2-28 71 Sonoma Black Mountain, Quad. 61D-3 457 Comment
  CAS-BOT-BC53035  Ceanothus sonomensis John Thomas Howell 1933-4-1 10930 Sonoma Slopes of Triniti Mt., 2 miles ne. of Glen Ellen Comment
  CAS-BOT-BC53041  Ceanothus sonomensis A. A. Heller; H. E. Brown 1902-3-27 s.n. Sonoma Western Base of Mt. Hood Comment
  RSA755235  Ceanothus sonomensis Dylan O. Burge 2007-4-26 DOB 895 c Sonoma Mayacmas Mts.: head of Hooker Canyon, roadside on Cavedale Road, 4.0 road miles east of SR 12, 4.9 km 85 degrees true ENE of Glen Ellen. 560 Comment
  CAS-BOT-BC53039  Ceanothus sonomensis Milo S. Baker 1927-3-5 2011 a Sonoma South slope of Hood Mt. on Macertney Ranch 213 Comment
  UC1071400  Ceanothus thyrsiflorus E. Armstrong 1934-3-26 951 Sonoma Camp Meeker Sebastopol quad 121 Comment
  UCD112733  Ceanothus thyrsiflorus var. griseus Mary M. Hektner 1976-5-10 251 Sonoma Along old fence on California Highway 1, Unit 35-A Owners' Map, Sea Ranch. Comment
  UCD112734  Ceanothus thyrsiflorus var. griseus P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC52393  Ceanothus velutinus L. R. Abrams 1920-7-4 7638 Sonoma Seaview Comment
  RSA121125  Centaurea solstitialis H. S. Yates 1935-10-3 5341 Sonoma Santa Rosa 53 Comment
  UCR42347  Centaurea solstitialis L. F. LaPre 1985-6-25 s.n. Sonoma Coast Ranges, Socrates Mine, c. 9 mi. ENE of Geyserville 917 Comment
  UC878328  Centaurium trichanthum Milo S. Baker 1940-7-18 9785 Sonoma ca 0.5 mi n Wilfred Station (w side of Hwy 101) Comment
  POM287526  Centaurium trichanthum Lyman Benson 1930-6-18 2165 Sonoma Four miles south of Santa Rosa, North Coast Mt. Range, San Francisco Bay watershed. 61 Comment
  CAS-BOT-BC288808  Centromadia fitchii David D. Keck 1933-11-10 2726 Sonoma 1 mile E of Shellville Comment
  CAS-BOT-BC251267  Cerastium Peter Rubtzoff 1964-5-20 5315 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC251269  Cerastium Peter Rubtzoff 1955-5-7 1826 Sonoma Guerneville Marsh. Comment
  UCD166455  Cerastium Peter Rubtzoff 1954-8-13 1707 Sonoma Bodega Head Marsh. Comment
  JEPS86810  Cerastium arvense Jack and Betty Guggolz 1991-4-26 1119 Sonoma between Hwy. 1 and ocean just s. of s. end of Meyers Grade Rd. 182 Comment
  CDA16230  Ceratophyllum demersum G. F. Hrusa, R. Gross 1998-2-15 14151 Sonoma Knights Valley; Foote Ranch. 0 Comment
  SD134006  Ceratophyllum demersum Peter Rubtzoff 1955-8-27 2103 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC279790  Chamaemelum fuscatum Peter H. Raven 1963-4-12 18161 Sonoma Along U.S. 101 just south of Asti Comment
  CDA7377  Chamaemelum fuscatum T. C. Fuller 1970-5-4 19483 Sonoma 1 mile west of the freeway overpass, Highway 101, Asti. 0 Comment
  CAS-BOT-BC68174  Cheilanthes intertexta Walter Knight; Irja Knight 1964-1-18 503 Sonoma Pine Flat Rd. Comment
  UCD137335  Cheilanthes intertexta Frederica Bowcutt 1996-3-24 2082 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air miles SE of Red Mountain. 563 Comment
  RSA201185  Chenopodium berlandieri var. zschackei Peter Rubtzoff 1961-8-22 4678 Sonoma Fife Creek Marsh. Comment
  CDA3067  Chenopodium murale T. Roberts, S. Larson 1989-12-11 Sonoma Near Valley Ford. 0 Comment
  UC1563922  Chenopodium pumilio Barbara Ertter 1988-11-5 8032 Sonoma ca 5 mi due s Cloverdale (point below Little Flat parking area, Lake Sonoma, w of bridge); Lake Sonoma 152 Comment
  CAS-BOT-BC499258  Chlorogalum pomeridianum C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  RSA227212  Chlorogalum pomeridianum var. pomeridianum Peter Rubtzoff 1958-7-19 3765 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC191507  Chorizanthe cuspidata var. villosa Alice Eastwood 1915-6-29 4832 Sonoma Bodega Point Comment
  CAS-BOT-BC191509  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-8-6 62077 Sonoma Bodega Point 30 Comment
  UC84506  Chorizanthe cuspidata var. villosa Alice Eastwood 1900-7-4 Sonoma Bodega Point; ; Bodega Pt., Sonoma Co. Comment
  SEINET4182881  Chorizanthe cuspidata var. villosa K. Brandegee s.n. Sonoma Sand Dunes, Bodega Point Comment
  CAS-BOT-BC252849  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1918-5-1 6832 Sonoma Mt. St. Helena Comment
  UCR255051  Chorizanthe polygonoides var. polygonoides Greg de Nevers 1993-4-27 10410 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  CAS-BOT-BC252852  Chorizanthe polygonoides var. polygonoides Milo S. Baker No date on label. s.n. Sonoma Mt. St. Helena, 1/2 mi. SE of Inn Comment
  SEINET3385995 Image available Chrysanthemum segetum Lewis S. Rose 1933-5-9 33154 Sonoma Bodega Bay, Wet Fields Comment
  SEINET11835175  Chrysanthemum segetum L. S. Rose 1938-1 38251 Sonoma Bloomfield 30 Comment
  OBI59827  Chrysolepis chrysophylla var. minor P. C. Pendse 1979-10-7 s.n. Sonoma Salt Point State Park Comment
  UCD84288  Cicendia quadrangularis Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCR244695  Cirsium Peter Rubtzoff 1970-9-3 6368 Sonoma above Shell Beach in Sonoma Coast State Beach area 122 Comment
  CAS-BOT-BC279993  Cirsium douglasii var. douglasii Greg de Nevers 1987-7-10 8233 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD130615  Cirsium douglasii var. douglasii P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UCD158724  Cirsium occidentale var. venustum Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 1.5 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. Elevation estimated by label maker. 822 Comment
  CAS-BOT-BC290647  Cirsium occidentale var. venustum Peter Rubtzoff 1955-9-24 2146 Sonoma Duncans Mills Marsh, upper portion of the marsh. Comment
  CAS-BOT-BC285756  Cirsium remotifolium W. Knight; I. Knight; Dr. Steve Edwards 1986-6-8 5441 Sonoma Cherry Creek Road W of Cloverdale Comment
  CAS-BOT-BC371461  Cirsium remotifolium var. odontolepis Greg de Nevers 1989-6-10 9080 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. East side of Horse Hill. 400 Comment
  JEPS79728  Cirsium remotifolium var. odontolepis Edward Lee with W. A. Setchell 1936-6-7 2205 Sonoma MacLaren Trail Bohemian Grove (roadside) Comment
  UCD160913  Cirsium vulgare James A. Neilson Jr. 1975-7-8 3418 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  CAS-BOT-BC285897  Cirsium vulgare Mary P. Wells 1981-7-2 s.n. Sonoma Off end of Galleon's Reach, The Sea Ranch Comment
  UCD37353  Clarkia Beecher Crampton 1959-6-16 5394 Sonoma 1 mile NE of Freestone, along Jonive Road. Comment
  CAS-BOT-BC162556  Clarkia affinis Alva Day 1982-6-1 82 65 B Sonoma Pepperwood Ranch Comment
  UCD161248  Clarkia affinis James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3705 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
  UC107816  Clarkia amoena Katharine Brandegee 1905-6-26 Sonoma Bodega Bay Comment
  UC582991  Clarkia amoena P. A. Munz 1936-8-8 14311 Sonoma coast 5 mi n Jenner Comment
  POM184784  Clarkia amoena subsp. amoena Merle Randall 1930-6-14 s.n. Sonoma Sonoma County: Alamere Creek Comment
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Sep 20 2012
  UC107827  Clarkia amoena subsp. amoena Katharine Brandegee 1905-6-26 Sonoma Bodega Bay Comment
  UC112986  Clarkia amoena subsp. amoena Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  CAS-BOT-BC161048  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1938-7-6 6085 Sonoma Alder Glen Springs Comment
  CAS-BOT-BC161060  Clarkia amoena subsp. amoena H. Lewis; M. Lewis 1947-6-15 436 Sonoma Highway 1, Bodega Bay at west road to Doran Park Comment
  RSA108395  Clarkia amoena subsp. amoena Harlan Lewis, M. Lewis 1947-6-15 436 Sonoma Highway 1, Bodega Bay at west road to Doran Park Comment
  SEINET3260630 Image available Clarkia amoena subsp. amoena Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-7 15198 Sonoma Two miles North of Kellogg. Comment
  JEPS731  Clarkia amoena subsp. huntiana W. L. Jepson 10009 Sonoma Sonoma Canyon Kenwood Comment
  CAS-BOT-BC172208  Clarkia concinna C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  SEINET10492116  Clarkia concinna David B. Dunn, Melvin L. Conrad; Katherine L. Morris 1973-6-9 Dunn 20706 Sonoma 2 mi NW of Forestville on Hwy 116, Douglas Fir forest with some Oaks. Comment
  UCSB31721  Clarkia concinna Townsend, J. 1977-5-29 Sonoma West side U.S. 101; 2 miles north of Petaluma Comment
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Nov 4 2015
  UC73322  Clarkia concinna subsp. concinna Miss M. Alice King May 1897 Sonoma near Healdsburg Comment
  RSA41289  Clarkia gracilis subsp. gracilis Robert F. Hoover 1941-5-14 5083 Sonoma 3 miles south of Monte Rio on road to Camp Meeker Comment
  CAS-BOT-BC163134  Clarkia gracilis subsp. sonomensis Volney Rattan 1877-6-23 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC163137  Clarkia gracilis subsp. sonomensis Michener; Bioletti 1893-6-1 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC163139  Clarkia gracilis subsp. sonomensis A. A. Heller 1902-6-24 5752 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC163131  Clarkia gracilis subsp. sonomensis May 1886-6-1 s.n. Sonoma Unspecified Comment
  JEPS79261  Clarkia imbricata L. R. Heckard 1980-7-4 5405 Sonoma ca. 2 mi ne Graton (at 4851 Vine Hill Road (Schwartz property)) Comment
  LA30762  Clarkia imbricata Peter H. Raven; Richard Snow 1958-7-23 13692 Sonoma at 4551 Vine Hill Road, near Pitkin Marsh Comment
  LA87839  Clarkia imbricata H. Lewis; M. Lewis 1951-7-10 865 Sonoma 6230 Vine Hill Rd, between Santa Rosa and Guerneville Comment
  POM171644  Clarkia purpurea subsp. quadrivulnera Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  UCD161396  Clarkia rhomboidea James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge crest between Big Sulphur Creek and Squaw Creek. (Exact location unkown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC165671  Clarkia unguiculata A. A. Heller 1902-6-11 5686 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC165677  Clarkia unguiculata 1938-5-28 s.n. Sonoma Alexander Valley toward Geyserville Comment
  CAS-BOT-BC165674  Clarkia unguiculata Freed W. Hoffman 1947-6-4 509 Sonoma Upper reaches of East Austin Creek, Rocky Mountain Comment
  CAS-BOT-BC439318  Claytonia exigua subsp. exigua A. A. Heller; H. E. Brown 1902-3-12 5049 Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  CAS-BOT-BC439320  Claytonia exigua subsp. exigua Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane, 2 mi. north east of Occidental Comment
  CAS-BOT-BC439397  Claytonia gypsophiloides G. DeNevers 1981-4-25 856 Sonoma Pepperwood Ranch. Mark West Creek and Leslie Creek confluence Comment
  UC1299360  Claytonia gypsophiloides Freed W. Hoffman 1947-3-9 815 Sonoma ne of Camp Meeker; North Coast Ranges Comment
  UCD33223  Claytonia gypsophiloides Beecher Crampton 1967-5-15 7924 Sonoma Lytton. Comment
  CAS-BOT-BC439399  Claytonia gypsophiloides Peter Rubtzoff 1957-5-26 3352 Sonoma Near Occidental - Graton road, 2.7 mi. east of Occidental. Comment
  CAS-BOT-BC439411  Claytonia gypsophiloides Arthur Menzies 1966-3-27 s.n. Sonoma Between The Geysers and Mercuryville Comment
  CAS-BOT-BC439414  Claytonia gypsophiloides J. Clausen 1933-3-26 745 Sonoma Harrison Grade, between Graton and Occidental. Comment
  CAS-BOT-BC439632  Claytonia parviflora subsp. parviflora Peter Rubtzoff 1964-7-29 5435 Sonoma Brooks Gulch Marsh. Comment
  SEINET5173903  Claytonia perfoliata Unknown 1994-4-3 74 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  RSA388344  Claytonia perfoliata Gary Bolton 1975-4-19 3 Sonoma Bay Road, 200m E of P G & E hole, Bodega Head Comment
  CAS-BOT-BC443873  Claytonia sibirica A. A. Heller; H. E. Brown 1902-3-29 5185 Sonoma Bodega Bay Comment
  UC302140  Clematis ligusticifolia Marcus E. Jones, A. M. 1882-7-18 Sonoma Duncan's Mills Comment
  RSA12260  Clintonia andrewsiana Carl B. Wolf 1934-6-29 5805 Sonoma 6/10 mile inland from Stewarts Point. 61 Comment
  SEINET12047064  Clintonia andrewsiana Unknown 1972-1 s.n. Sonoma Willow Creek, 4 mi S to SE of Jenner, in N-S canyon paralleling coast 30 Comment
  SBBG6867  Collinsia heterophylla H. and M. Dearing 1933-5-14 1742 Sonoma Cloverdale Comment
  SEINET12329967  Collinsia heterophylla F. H. Utech 1986-1 86 -120 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 250 Comment
  UC192679  Collinsia sparsiflora var. arvensis Michener and Bioletti 1893-4-1 Sonoma Kenwood Comment
  UC26556  Collinsia sparsiflora var. arvensis Edw. L. Greene 1892-4-20 Sonoma Knight's Valley Comment
  UC672477  Collinsia sparsiflora var. arvensis H. L. Mason 1928-4-8 4298 Sonoma fields near Sebastopol Comment
  UC1238965  Collinsia sparsiflora var. arvensis Freed W. Hoffman 1947-3-16 828 Sonoma near Guerneville (Road to Austin Ranch, headwaters of Fife Creek, North Coast Ranges); North Coast Ranges, headwaters of Fife Creek Comment
  JEPS34532  Collinsia sparsiflora var. collina Freed W. Hoffman 1950-5-15 3730 Sonoma Pole Mt. near Cazadero; North Coast Ranges, Pole Mt. Comment
  POM14840  Collinsia sparsiflora var. sparsiflora A. A. Heller, H. E. Brown 1902-4-11 5268 Sonoma Bodega Bay Comment
  JEPS34516  Collinsia tinctoria Freed W. Hoffman 1948-8-2 2356 Sonoma on way to Rincon Valley St. Helena (near summit of Spring Mtn Rd); North Coast Ranges 609 Comment
  UCR265087  Collomia heterophylla Ann Howald 2015-4-28 3373 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 11.5 miles west of intersection with Rockpile Rd, Warm Springs drainage 408 Comment
  JEPS62601  Cordylanthus maritimus subsp. palustris T. I. Chuang with Fei-Mei Chuang 1970-7-26 6838 Sonoma U. C.. Biological Reserve w of Bodega Bay Comment
  SBBG33944  Cordylanthus pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge, E of Santa Rosa 91 Comment
  CHSC52838  Cordylanthus pilosus subsp. pilosus L. R. Heckard; R. Bacigalupi, B. Doren 1971-9-11 2802 Sonoma 1/2 mile west on Lytton Springs road, about 2 miles north of Healdsburg. Comment
  JEPS28819  Cordylanthus tenuis subsp. capillaris L. R. Heckard 1962-11-27 1317 Sonoma 3/4 mi nw Occidental School (along Stoetz Lane) Comment
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Jul 27 2009
  JEPS29842  Cordylanthus tenuis subsp. capillaris Rimo Bacigalupi and L. Heckard, J. Weiler 1961-6-23 7832 Sonoma ca. 3/4 mi nw Occidental School (nw of garbage disposal area, along Stoetz Lane, 0.5 mi nw of its junction with Harrison Grade road.) 228 Comment
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Jul 27 2009
  UC761837  Cordylanthus tenuis subsp. capillaris R. F. Hoover 1942-7-13 5916 Sonoma 3 mi s Monte Rio Comment
  RSA0034034  Cornus Peter Rubtzoff 1987-7-18 9797 Sonoma Russian River at Forest Hills, ca. 5.5 miles east of Guerneville. Along river, off Summerhouse Park Road, 0.2 miles west of Forest Hills Road. Comment
  CAS-BOT-BC249261  Cornus Peter Rubtzoff 1973-8-31 7290 Sonoma Upper Green Valley Marsh, slope of Green Valley Road bank bordering the marsh. Comment
  CAS-BOT-BC212293  Cornus glabrata Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs 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
  RSA239697  Cornus stolonifera Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1094 Sonoma Pitkin-Jones Tree Farm; on Vine Hill Rd. west of Santa Rosa. Comment
  CAS-BOT-BC366894  Cotinus coggygria Greg de Nevers 1997-11-5 11104 Sonoma Santa Rosa, Riebli School Comment
  CHSC118276  Cotoneaster franchetii Barbara L. Wilson 2015-9-22 18824 Sonoma Santa Rosa, Howarth Lake. 71 Comment
  SD38617  Cotula coronopifolia Edith A. Purer 1932-7-24 Sonoma Bodega Bay Comment
  UCD130895  Cotula coronopifolia Charles B. Heiser Jr. 1946-4-13 1724 Sonoma 1 mile east of Jenner. Comment
  UCD165873  Cotula coronopifolia Peter Rubtzoff 1970-10-29 6419 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  SD206989  Crassula aquatica Reid Moran, C. Quibell and W. Knight. 1991-5-21 31054 Sonoma Diversion channel south of Spring Lake, Santa Rosa. 99 Comment
  CAS-BOT-BC427651  Crassula aquatica Peter Rubtzoff 1966-5-7 5706 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC427654  Crassula aquatica Peter Rubtzoff 1963-6-18 5177 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC427657  Crassula aquatica Peter Rubtzoff 1970-10-3 6406 Sonoma Near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC427659  Crassula aquatica Peter Rubtzoff 1969-6-14 6074 Sonoma 6.5 mi. northeast of Penngrove, on Lichau Road 426 Comment
  SJSU5983  Crataegus douglasii C. W. Sharsmith 1972-6-24 7796 Sonoma Atascadero Cr Marsh c 1 mi NW of Graton by lower Atascadero Cr, a tributary of Green Valley Cr Comment
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Dec 20 2006
  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
  CDA4462  Crupina vulgaris G. D. Barbe 1991-5-24 4422 Sonoma Inside western boundary of Annadel State Park, Santa Rosa. Comment
  CDA4478  Crupina vulgaris G. D. Barbe, Willa May Lowary, T. C. Fuller 1976-7-7 2185 Sonoma West of Matanzas Creek, southeast of Bennett Valley golf course, Santa Rosa. 0 Comment
  OBI51541  Crupina vulgaris Keith Wagnon 1989-7-3 s.n. Sonoma SE of Santa Rosa at Annadel State Park Comment
  UCR255060  Crypsis schoenoides Greg de Nevers 1989-12-3 9119 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC376222  Cryptantha Greg de Nevers 1993-3-28 10336 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Shriver Canyon 304 Comment
  SEINET7067255  Cryptantha A. G. Vestal 1947-5-13 s.n. Sonoma About 1.3 miles north of Salomon Creek. Coordinate datum: NAD27. UTM 10, 647035mE, 3964854mN. Comment
  UCD119057  Cryptantha ambigua Collector unknown 1932-7-7 s.n. Sonoma Calistoga, near Petrified Forest. Comment
  UC598646  Cryptantha flaccida John Bright 1936-5-2 13106 Sonoma Healdsburg Comment
  UC726040  Cryptantha flaccida A. A. Heller 1940-5-10 15608 Sonoma w of Skaggs Springs; Warm Springs Creek Comment
  UC1731388  Cryptantha torreyana Dean W. Taylor 1998-6-22 16688 Sonoma 0.3 mi along ridge from Eagle Rock Substation ((ridge dividing Bear Canyon from Squaw Cr.)); North Coast Ranges, Mayacamas Mountains, The Geysers Geother 792 Comment
  UC280368  Cryptantha torreyana Milo S. Baker 1898-4-23 620 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC251261  Cucurbitaceae Peter Rubtzoff 1955-9-10 2145 Sonoma Vacation Beach, near Guerneville. Comment
  JEPS82410  Cupressus sargentii Roger Raiche 1983-9-20 30726 A Sonoma ridge s Duvoul Creek (e of Bohemian Highway (n of Camp Meeker)) Comment
  UC1502540  Cupressus sargentii S. W. Edwards 1981-9-20 Sonoma ne of Occidental (on Stoetz Lane, off Harrison Grade) Comment
  CAS-BOT-BC85462  Cupressus sargentii Milo Samuel Baker 1929-1-2 3383 c Sonoma 3 mi. N. West Coopers, Mill Cr. Comment
  NY16824  Cupressus sargentii C. B. Wolf 1934-10-13 6183 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
  UCD125761  Cuscuta californica var. californica Frederica Bowcutt 1997-7-19 2193 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 miles S of Red Mountain, 0.5 miles NNW of confluence of the Malmf., 1.0 air miles WSW of Brushy Peaks. 457 Comment
  CAS-BOT-BC166912  Cuscuta howelliana Peter Rubtzoff; Nancy Harrison 1976-6-18 8648 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC190242  Cynodon dactylon Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  POM115532  Cynodon dactylon Marcus E. Jones 1982-7-18 s.n. Sonoma Duncan's Mills ., [County not indicated on specimen label]. Comment
  CAS-BOT-BC312690  Cynosurus Peter Rubtzoff 1971-6-5 6515 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC190427  Cynosurus echinatus John H. Thomas 1976-6-15 18229 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC190429  Cynosurus echinatus Catherine Best 1984-6-11 s.n. Sonoma At Goat Rock Park. Comment
  UC796492  Cynosurus echinatus Roxana S. Ferris and Laura Lorraine 1948-6-9 11663 Sonoma on road to Kellogg 11 mi from Geyserville Comment
  RSA44397  Cyperus eragrostis Milo S. Baker 1937-9-20 6037 Sonoma 4 miles southeast of Somona on Vineburg - Napa Road Comment
  CAS-BOT-BC113904  Cyperus niger var. capitatus Peter Rubtzoff 1951-6-10 193 Sonoma Plants of the Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC113907  Cyperus niger var. capitatus John Thomas Howell 1945-8-14 21412 Sonoma Perry marsh Comment
  CAS-BOT-BC113909  Cyperus niger var. capitatus Peter Rubtzoff 1965-9-5 5645 Sonoma Russian River margin at Forest Hills (5.5 mi E of 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
  CAS-BOT-BC136480  Cypripedium montanum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Field redacted by CAS, contact the data manager for more information Comment
  UC845295  Cypripedium montanum Eliz. Parsons Hawver 1915-6-3 Sonoma Skaggs Springs Comment
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Jan 23 2016
  POM168009  Cypripedium montanum Volney Rattan 1879-06 s.n. Sonoma Near Cloverdale Comment
  SD99430  Cypselea humifusa Peter Rubtzoff 1969-8-24 6145 Sonoma Fulton. 3 miles west, on River Road Comment
  UC1606175  Cyrtomium falcatum Liz Parsons and Wendy Born Dec 1995 Sonoma s slope Hood Mt; Hood Mt Regional Park Comment
  UCD60299  Dactylis glomerata Virginia Bufford 1936-5-22 403 Sonoma Highway 1--2 mi. north of Stewarts Point. Comment
  CAS-BOT-BC192278  Danthonia californica John Thomas Howell 1930-6-8 5217 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CDA11928  Danthonia californica G. F. Hrusa 1989-6-4 7188 Sonoma North Coast Biodiversity Arena; Near headwaters of Nathanson Creek, E of town of Sonoma. Comment
  CDA31317  Danthonia californica D. G. Kelch, Ed Biffin 2010-5-3 10 .21 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  JEPS121156  Danthonia californica Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18595 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  SEINET191751 Image available Danthonia californica K. Wagnon 1939-4-20 179 Sonoma About 2 miles south of Kenwood along Sonoma Highway. Comment
  UC1026469  Danthonia californica Peter Rubtzoff 1952-5-31 1096 Sonoma Upper Marsh Pitkin Marsh (eastern branch, near Forestville) Comment
  UCD61031  Danthonia californica Gerry North 1993-4 37 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At lower camping area, 50 m E of foot bridge. 365 Comment
  UCR141956  Danthonia californica var. americana Beecher Crampton 1967-5-15 7935 Sonoma Coast Range, 14 miles NW of Calistoga on Hwy. 128 near Chalk Hill Road 122 Comment
  POM267996  Danthonia californica var. californica D. D. Keck 1944-7-11 5513 Sonoma 1 mi. S. of bridge across mouth of Russian River, open grassy field 1/2 mi. from ocean 23 Comment
  UC76181  Datura stramonium Miss M. Alice King May, 1897 Sonoma near Healdsburg (Dry Creek); Dry Creek Comment
  SEINET12327555  Datura stramonium W. Knight, Knight, I.; Edwards, S. W. 1984-1 5054 Sonoma at edge of Willow Creek between Corona Rd & Denman Flat Comment
  CAS-BOT-BC366897  Datura wrightii Greg de Nevers 1997-10-17 11107 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Hansel's corral 400 Comment
  CAS-BOT-BC293812  Deinandra corymbosa Walter Knight; Irja Knight 1965-9-13 1190 Sonoma Lohrman Lane near firehouse. Petaluma Comment
  UC906499  Delphinium Elizebeth Armstrong 1931-4 Sonoma ranch near Santa Rosa Comment
  CAS-BOT-BC9606  Delphinium bakeri Eleanor Lohman 1921-4-1 3175 Sonoma Coleman Valley Comment
  CAS-BOT-BC9014  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-BC10341  Delphinium hesperium Joseph Whipple Congdon 1880-6-1 s.n. Sonoma Santa Rosa Comment
  LA207501  Delphinium hesperium Carl Epling; L. Stebbins, H. Lewis 1943-6-17 515 Sonoma Bodega Bay, ca. 2 mi. E of bay at rock outcrops Comment
  LA38290  Delphinium hesperium Lewis; Epling, Stebbins 515 Sonoma Bodega Bay, 1 mi. E of ocean Comment
  CAS-BOT-BC10066  Delphinium hesperium subsp. pallescens John Thomas Howell 1934-3-27 s.n. Sonoma Pope Canyon, Napa Range Comment
  CAS-BOT-BC33152  Delphinium luteum Amos Arthur Heller; H. E. Brown 1902-4-11 5256 Sonoma Bodega Bay 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
  UCR265118  Delphinium nudicaule Ann Howald 2015-4-1 3316 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 520 Comment
  CAS-BOT-BC8004  Delphinium nudicaule Milo S. Baker 1935-5-12 8080 Sonoma 0.5 mi. up Salmon Creek Comment
  HSC49610  Delphinium nudicaule R. York 1979-4-8 198 Sonoma Along Hwy. 128, 1.0 mi. N of Calistoga 305 Comment
  RSA304847  Delphinium nudicaule James R. Shevock 1971-3-21 814 Sonoma Near Sugarloaf St Park 152 Comment
  UCSB22476  Delphinium nudicaule McCarthy, Sharon 1965-4-16 Sonoma north of junction of 5th St. West and Verano Ave., Sonoma 60 Comment
  UC1126084  Delphinium variegatum H. S. Yates 1934-4-22 3848 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  UC118589  Delphinium variegatum F. T. Bioletti Sonoma Hood Mountain Comment
  RSA26407  Delphinium variegatum J. T. Howell 1941-4-5 16175 Sonoma 1 mile S of El Verano Comment
  UC1126351  Dendromecon rigida E. Armstrong 1934-3-26 941 Sonoma 3 mi w Camp Meeker; Sebastopol Quadrangle 91 Comment
  CAS-BOT-BC11001  Dendromecon rigida subsp. rigida J. Clausen 1933-3-25 725 Sonoma About 4 miles east of Warfield along the road to Oakville. On the Youngman Ranch. 213 Comment
  UCD61232  Deschampsia cespitosa A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3572 Sonoma 7 miles northwest of Santa Rosa on road to Calistoga. Comment
Read comments
Sep 11 2012
  POM313170  Deschampsia cespitosa subsp. cespitosa H. L. Mason 1946-7-4 12885 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  CAS-BOT-BC192606  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1951-6-2 95 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC201648  Deschampsia danthonioides John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54681 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC210165  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6075 Sonoma Vernal pool 6.5 mi. northeast of Penngrove on Lichau Road. Comment
  CAS-BOT-BC201962  Deschampsia elongata Peter Rubtzoff 1962-10-9 s.n. Sonoma Russian River Mouth Marsh Comment
  CAS-BOT-BC201973  Deschampsia elongata Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road 15 miles west of Hwy. 101 Comment
  CAS-BOT-BC210039  Deschampsia elongata Peter Rubtzoff 1964-6-24 5369 Sonoma Lower Salmon Creek Marsh. Comment
  RSA155506  Deschampsia elongata L. S. Rose 1962-6-1 62064 Sonoma 1 mi. nw of Freestone 76 Comment
  UCD63238  Deschampsia elongata Peter Rubtzoff 1962-5-25 4836 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  OBI6278  Dicentra formosa Ann C. Likins 1970-5-16 121 Sonoma Near Russian River, Moscow Rd, Rio Nido 24 Comment
  SEINET7295473 Image available Dichanthelium acuminatum Leo Koch 1940-1 825 Sonoma Bare slopes around Sulfur Creek Geysers, east of Cloverdale, Inner North Coast Ranges Comment
  UCD151080  Dichelostemma James A. Neilson Jr. 1973-6-3 2990 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
  SEINET12053848  Dichelostemma capitatum Unknown 1936-1 13369 Sonoma near Healdsburg Comment
  JEPS128284  Dichelostemma capitatum subsp. capitatum Roger Raiche 2005-4-22 010 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD139158  Dichelostemma congestum Frederica Bowcutt 1996-5-24 2170 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek and below confluence of Malm Fork. Along Meadow Trail. 381 Comment
  RSA39845  Dichondra donelliana Vanderwal 1941-11-6 s.n. Sonoma Frank Silva property, Sebastopal. Comment
  RSA788365  Digitaria Peter Rubtzoff 1965-9-5 5637 Sonoma Forest hills (5.5 mi E of Guerneville). Comment
  RSA796382  Digitaria sanguinalis Peter Rubtzoff 1958-8-9 3846 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UCD148387  Digitaria sanguinalis Peter Rubtzoff 1956-9-14 2857 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCR255869  Digitaria sanguinalis Greg de Nevers 1996-9-23 10879 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 476 Comment
  UCD64156  Digitaria sanguinalis David L. Morgan 1956-9-7 Sonoma Sunnyslope Ave., Petaluma. Comment
  CAS-BOT-BC152042  Diplacus aurantiacus Francis W. Pennell 1940-7-2 26033 Sonoma Mountain northeast of Kenwood Springs 274 Comment
  CAS-BOT-BC182751  Dipsacus Peter Rubtzoff 1954-7-27 1570 Sonoma Guerneville Marsh. Comment
  UCR280143  Dipsacus sativus Peter Rubtzoff 1971-9-1 6677 Sonoma Spring Creek Reservoir area, east of Santa Rosa 87 Comment
  UC998321  Dirca occidentalis Milo S. Baker 1942-5-20 10197 Sonoma two mi w Bodega town (on a road which turns right within the town) Comment
  RSA304236  Disporum hookeri var. hookeri James R. Shevock 1971-3-21 815 Sonoma Sugarloaf State Park. 152 Comment
  CAS-BOT-BC196919  Distichlis spicata David L. Morgan 1956-6-26 s.n. Sonoma Above Shell Beach, 1/4 mi. S of Goat Rock, off State Hiway #1 Comment
  UCD151168  Dodecatheon hendersonii James A. Neilson Jr. 1974-3-27 s.n. Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  HSC17868  Dodecatheon hendersonii R. F. Good 1962-4-20 23 Sonoma 2 mi. W of Petaluma on D St. Extension toward Pt. Reyes: Sonoma Mtn. Coastal Range 46 Comment
  UC726434  Downingia concolor var. concolor A. A. Heller 1941-5-17 16135 Sonoma 2 mi n Windsor (on U.S. Highway 101) Comment
  CAS-BOT-BC154159  Downingia concolor var. concolor Peter Rubtzoff 1971-6-10 6529 Sonoma Sebastopol - Santa Rosa Hwy., near Wright Road. Comment
  RSA21846  Downingia concolor var. concolor Alice Eastwood, J. T. Howell 1936-5-19 2508 Sonoma 2 miles north of Windsor Comment
  RSA42006  Drymocallis glandulosa var. wrangelliana Ella Dales Cantelow 1938-5-7 2403 Sonoma 4.5 miles NM of Bodega Comment
  UC1193406  Dryopteris arguta P. Zinke 1950-4-25 115 Sonoma Oat Valley; Quadrangle 61A4 182 Comment
  CAS-BOT-BC428181  Dudleya cymosa subsp. cymosa C. F. Leitholt 1893-6-1 s.n. Sonoma On the border of Bennett Valley Comment
  CAS-BOT-BC428382  Dudleya farinosa Alice Eastwood 1915-6-29 4890 Sonoma Bodega Point Comment
  UC420755  Dudleya farinosa Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  UCD167958  Dysphania James Neilson 1981-7-16 4050 Sonoma Mayacmas Mountains. Big Sulphur Cr. At bridge crossing road to Cloverdale. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SD71428  Dysphania botrys Peter Rubtzoff 1965-8-22 5615 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville) Comment
  CAS-BOT-BC210080  Echinochloa Peter Rubtzoff 1976-8-29 8835 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC176371  Echinochloa crus-galli Peter Rubtzoff 1955-9-10 2140 Sonoma East Guernewood, near Guerneville. Comment
  UCD61074  Echinochloa muricata P. B. Kennedy 1925-8-4 Sonoma Petaluma. Comment
  UCD160914  Ehrendorferia chrysantha James A. Neilson Jr. 1975-7-8 3421 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  CAS-BOT-BC376432  Elatine Greg de Nevers 1996-5-30 10838 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In the side canyon between Leslie Creek and Dentist's Lake. 400 Comment
  CAS-BOT-BC257351  Eleocharis Peter Rubtzoff; Nancy Harrison 1974-9-7 7881 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  CAS-BOT-BC274413  Eleocharis Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7849 Sonoma Kenwood Marsh. Comment
  UC1055948  Eleocharis acicularis Francia Chisaki, Peter Kamb 1950-6-16 1865 Sonoma 1 mi N of Sousa Corners (NW from Sebastopol, Pitkin Marsh) Comment
  CDA38951  Eleocharis acicularis M. K. Bellue 1956-6-25 s.n. Sonoma Santa Rosa. 0 Comment
  CAS-BOT-BC112203  Eleocharis radicans Peter Rubtzoff 1956-9-21 2933 Sonoma Vacation Beach, near Guerneville. Sancy beach of Russian River. Comment
  UC682122  Elymus californicus G. L. Stebbins Jr. 1942-5-12 3229 Sonoma 2.5 mi w of Bodega (Bodega Canyon Road); Bodega Canyon Road Comment
  HSC9712  Elymus glaucus C. S. Chavez 1965-6-5 82 Sonoma 1 mi. N of Sebastopol on Guerneville Rd. Comment
  RSA126906  Elymus glaucus H. S. Yates 1934-4-22 3837 Sonoma Near Petrified Forest; Calistoga 244 Comment
  UC573713  Elymus glaucus H. S. Yates 1937-6-6 6580 Sonoma 8 mi sw Healdsburg; Healdsburg Quadrangle Comment
  UCD61888  Elymus glaucus P. B. Kennedy 1918-5-28 Sonoma Calistoga Road via Petrified Forest. Road, Santa Rosa. Comment
  UCD62282  Elymus glaucus R. Tofsrud 1947-6-17 189 Sonoma Old Santa Rosa cemetery at end of Mc Donald Ave. Comment
  CAS-BOT-BC203713  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-3 1174 Sonoma Fitch Mtn. Grove, near Healdsburg Comment
  UCD105386  Elymus glaucus subsp. glaucus Frederica Bowcutt 1994-6-12 1846 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. about 20 ft. Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  UC38176  Elymus glaucus subsp. jepsonii Jos. Burtt Davy 1897-9-18 4037 Sonoma roadside near Petaluma; ; near Petaluma, Sonoma Co. Comment
  UC70815  Elymus multisetus Dr. Ed. Palmer 1892-1 2422 Sonoma Petaluma Comment
  UCD62675  Elymus trachycaulus subsp. subsecundus Frederica Bowcutt 1995-11-19 2061 b 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. Adobe Canyon, due south of Red Mtn. about 1 air mile along Lower Bald Mtn. SE facing. 411 Comment
  CAS-BOT-BC204306  Elymus trachycaulus subsp. trachycaulus G. DeNevers 1981-6-27 1711 Sonoma Pepperwood Ranch. At new Pepperwood entrance Comment
  CAS-BOT-BC262988  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-6-20 1507 Sonoma Guerneville Marsh. Comment
  UC582992  Epilobium ciliatum subsp. ciliatum P. A. Munz 1936-8-7 14307 Sonoma six mi n Bodega (edge of road) Comment
  UC1042438  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1951-7-14 444 Sonoma on edge of thicket near creek (s edge of Lower Marsh, near Forestville); Pitkin Marsh, Lower Marsh Comment
  POM225185  Epilobium ciliatum subsp. watsonii P. A. Munz 1936-8-8 14312 Sonoma Ft. Ross Comment
  RSA225179  Epilobium ciliatum subsp. watsonii P. A. Munz 1936-8-7 14307 Sonoma 6 miles N of Bodega. Comment
  RSA181915  Epilobium foliosum Freed W. Hoffman 1947-4-13 1848 Sonoma North Coast Ranges: Gilliam Creek, near Guerneville Comment
  POM256111  Epilobium hallianum Keith Wagnon 1940-1 MSB- 9587 Sonoma Perry s Marsh, 2 miles north of Sebastopol on highway (Gravenstein opposite Bennett s Nursery). Comment
  SD251254  Epilobium hallianum Peter Rubtzoff 1957-5-11 3334 Sonoma Occidenta Marsh Comment
  JEPS128318  Epipactis gigantea Roger Raiche 2000-5-28 121 .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
  UC4493  Epipactis gigantea F. T. Bioletti 1892-7-5 Sonoma Comment
  RSA784481  Equisetum Peter Rubtzoff 1973-8-21 7255 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA784483  Equisetum Peter Rubtzoff 1973-8-21 7253 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC210085  Equisetum Peter Rubtzoff 1963-8-17 5237 Sonoma Russian River Mouth Marsh. Comment
  CAS-BOT-BC164075  Equisetum X ferrissii Peter Rubtzoff 1962-5-25 4840 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC57044  Equisetum arvense John H. Thomas 1976-6-15 18324 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  RSA0045168  Equisetum hyemale subsp. affine Greg de Nevers 1993-5-16 10447 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Along Franz Creek east of 3865 Franz Valley Rd. 91 Comment
  UCR255026  Equisetum hyemale subsp. affine Greg de Nevers 1993-5-16 10447 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  CAS-BOT-BC176180  Equisetum laevigatum Peter Rubtzoff 1953-5-18 1415 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC57647  Equisetum telmateia Peter Rubtzoff 1959-6-7 4109 Sonoma Russian River betw. East Guernewood and Vacation Beach, near Guerneville Comment
  CAS-BOT-BC312695  Eragrostis Peter Rubtzoff 1968-9-21 5982 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC182757  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1954-7-3 1517 Sonoma Vacation Beach, near Guerneville. Comment
  UCD64315  Eragrostis pectinacea Beecher Crampton 1953-11-18 1736 Sonoma 10 miles northwest of Calistoga, along State Highway 128. Comment
  UCD64541  Eragrostis pectinacea Keith Wagnon 1940-6-24 269 Sonoma Burbank Gardens, Santa Rosa. Comment
  RSA785230  Erechtites glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 mi SE of Guerneville. Comment
  CAS-BOT-BC291251  Erechtites minimus John Thomas Howell; Catherine Best 1981-4-2 53933 Sonoma Fairfield Osborn Preserve of The Nature Conservancy, Sonoma Mt. east of Cotati 457 Comment
  SD40106  Ericameria ericoides subsp. ericoides Edith A. Purer 1932-7-24 Sonoma Bodega Bay Comment
  CAS-BOT-BC376240  Erigeron Greg de Nevers 1992-9-1 10248 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  UC909710  Erigeron biolettii Milo S. Baker 1950-8-1 12309 Sonoma near Kenwood (at summit above Coleman's Ranch); Hope Val Comment
  CAS-BOT-BC295126  Erigeron glaucus John H. Thomas 1976-6-15 18308 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UC1124290  Eriodictyon californicum A. Lewis May 1932 123 Sonoma Calabasas Creek; Napa Quad., Calabasas Creek 457 Comment
  CAS-BOT-BC248812  Eriogonum compositum var. compositum James Jokerst 1985-5-29 2388 Sonoma Near Cobb Mountain 1126 Comment
  CAS-BOT-BC259268  Eriogonum latifolium C. L. Hitchcock; J. S. Martin 1939-7-15 5444 Sonoma Cliffs below Bodega State Park Comment
  LA206929  Eriogonum latifolium C. L. Hitchcock; J. S. Martin 1939-7-15 5444 Sonoma cliffs below Bodega State Park Comment
  POM225753  Eriogonum latifolium P. A. Munz 1936-8-7 14305 Sonoma 2 miles north of Bodega Comment
  CAS-BOT-BC259477  Eriogonum luteolum Helen D. Geis 1902-1-1 570 Sonoma Cloverdale Comment
  UC75785  Eriogonum luteolum var. luteolum Miss M. Alice King Sept. 1896 Sonoma near Healdsburg Comment
  CAS-BOT-BC270976  Eriogonum nervulosum Roger Raiche 1985-8-10 50716 Sonoma The Cedars, N. of Cazadero, headwaters Big Austin and East Austin Creeks, Layton mine site 371 Comment
  RSA181898  Eriogonum nervulosum Freed W. Hoffman 1947-9-29 507 Sonoma Layton Mine, Austin Creek. Comment
Read comments
Oct 12 2013
  JEPS56644  Eriogonum nudum var. auriculatum W. L. Jepson 1936-8-20 17964 Sonoma nw, between Macdonald road station and Alder Springs Cloverdale Comment
  RSA221  Eriogonum nudum var. auriculatum E. R. Johnson 1928-8-22 1112 Sonoma Cloverdale Comment
  UC75786  Eriogonum nudum var. nudum Miss M. Alice King April 1897 Sonoma near Healdsburg Comment
  CAS-BOT-BC261688  Eriogonum nudum var. nudum Mary P. Wells 1985-7-7 544 Sonoma King's Ridge Road, north of Cazadero Comment
  CDA401  Eriogonum vimineum D. G. Kelch 2003-7-14 3 .378 Sonoma Cavedale Road. Comment
  CAS-BOT-BC301153  Eriophyllum lanatum var. achilleoides L. Constance 1933-5-20 E 25 Sonoma Between Santa Rosa & Healdsburg, 3 1/2 m. from Healdsburg Comment
  SEINET11842964  Eriophyllum lanatum var. achilleoides F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -227 Sonoma end of Stoetz Road 200 Comment
  CAS-BOT-BC301280  Eriophyllum lanatum var. arachnoideum J. Clausen 1935-5-24 1086 Sonoma 5.1 mi. S. of Jenner on the Bodega road Comment
  CAS-BOT-BC301285  Eriophyllum lanatum var. arachnoideum Walter Knight; Irja Knight 1963-10-27 396 Sonoma Spring Mt. Road Comment
  UC31670  Eriophyllum lanatum var. arachnoideum Harley P. Chandler 1900-5-25 694 Sonoma Bodega Bay 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
  UCD103147  Erodium cicutarium Frederica Bowcutt 1994-5-1 1796 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. S of Sonoma Creek about 125 yards, 1/4 mile NW of confluence with Rattlesnake Creek, meadow in center of campground. Comment
  UC1745772  Eryngium Annetta M. Carter 1934-4-29 509 Sonoma 1 mi. W of Two Rock Junction on rd. to Tomales. Comment
  UCD150843  Eryngium aristulatum 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
  UC1307394  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1955-7-16 1962 Sonoma Bennett Mt. Lake 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
  POM132680  Eryngium armatum A. D. E. Elmer 1903-07 4776 Sonoma Petaluma. Comment
  POM259278  Eryngium armatum J. T. Howell 1938-7-3 13947 Sonoma Stony Point. Comment
  UCD127468  Eryngium constancei G. F. Hrusa 1997-7-5 14010 Sonoma approximately 200 meters west of Highway 128 in drainage of Blossom Creek, 2km. northwest of Tubbs Lane int. 200 Comment
Read comments
Dec 30 2014
  POM143108  Erysimum concinnum A. A. Heller, H. E. Brown 1902-5-27 5607 Sonoma Bodega Bay Comment
  SD40057  Erythranthe grandis Edith A. Purer 1932-7-24 4087 Sonoma Near Bodega Bay, moist place in sand dunes Comment
  CAS-BOT-BC153628  Erythranthe inodora Peter Rubtzoff 1955-7-10 1950 Sonoma Duncans Mills Marsh Comment
  CHSC22331  Erythranthe microphylla Robert A. Schlising 1962-3-31 2124 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  CAS-BOT-BC383058  Erythranthe nasuta David B. Lowry 2005-5-10 CMF Sonoma Camp Meeker Falls, between Camp Meeker and Monte Rio near Bohemian Highway 104 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
  SBBG21100  Eschscholzia californica V. Haraden 1941-7-13 Sonoma E exposure to bay, Bodega Bay 15 Comment
  SBBG2330  Eschscholzia californica H. and M. Dearing 1936-5-14 3372 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCD158723  Eschscholzia californica James A. Neilson Jr. 1974-7-10 2834 Sonoma Mayacmas Mountains. Little Geysers well # 2. 731 Comment
  UCD158788  Eschscholzia californica James A. Neilson Jr. 1974-6-1 2882 Sonoma Mayacmas Mountains, Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  SD124796  Eschscholzia californica L. F. La Pre 1986-7-29 Sonoma Socrates Mine, ca. 9.0 miles eastnortheast of Geysserville. 914 Comment
  CAS-BOT-BC202772  Euonymus occidentalis H. L. Mason 1928-7-11 4890 Sonoma Canyon 2 miles north of Fort Ross Comment
  RSA789604  Euonymus occidentalis var. occidentalis R. W. Spjut, Peter Baye 2010-6-21 16711 Sonoma Along Wheatfield Fork of Gualala River just south of junction with Fuller Creek, and north of junction with Haupt Creek and Steward Pt-Skaggs Springs Road. 55 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-BC540818  Euphorbia Peter Rubtzoff 1969-8-29 6180 Sonoma Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road. Comment
  CAS-BOT-BC540842  Euphorbia Peter Rubtzoff 1973-10-10 s.n. Sonoma Americano Creek area, ca 2 mi. W of Bloomfield Comment
  CDA33321  Euphorbia oblongata A Smith/ S. Ostrom 2010-4-26 PDR# 1586212 Sonoma Santa Rosa; Empire 1 Nursery, 3747 Guerneville Road. 0 Comment
  UCR255054  Euphorbia oblongata Greg de Nevers 1992-8-16 10244 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 305 Comment
  HSC7992  Euphorbia peplus S. N. Wiemeyer 1962-1-27 1 Sonoma Santa Rosa, on the S.R. Junior College Campus. Comment
  UC469051  Eurybia radulina Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  CAS-BOT-BC312187  Eurybia radulina Walter Knight; Irja Knight 1963-9-1 385 Sonoma Harold Smith Ranch, Pine Int. Rd. NE of Cloverdale 548 Comment
  CAS-BOT-BC310741  Euthamia occidentalis Lewis S. Rose 1960-9-14 60094 Sonoma Laguna de Santa Rosa, 2 mi. e. of Graton 15 Comment
  UCR255032  Festuca Greg de Nevers 1989-1 9068 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  SDSU1110  Festuca californica D. F. Howe 1963-5-23 3528 Sonoma 3.8 miles north of Cloverdale on #128 335 Comment
  UCD65833  Festuca californica Gerry North 1993-4 29 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.6 miles from Goodspeed trailhead; north side of road. 358 Comment
  CAS-BOT-BC278395  Festuca elmeri K. Wagnon 1939-5-22 217 Sonoma Top of Wagnon rock quarry, five miles west of Sebastopol Comment
  CAS-BOT-BC278415  Festuca idahoensis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53981 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCD66260  Festuca roemeri H. S. Yates 1937-5-30 6544 Sonoma 3 miles NW of Graton. 60 Comment
  CAS-BOT-BC279079  Festuca rubra John Thomas Howell 1944-5-14 19485 Sonoma Between Petaluma and Chileno Valley Comment
  JEPS41089  Festuca rubra Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9113 Sonoma between 1 and 1.25 mi due w Napa County line (along the Franz Valley School road) 219 Comment
  UCD66322  Festuca rubra P. B. Kennedy 1918-5-28 Sonoma 8 miles from Santa Rosa, Calistoga, Petrified Forest Road. Comment
  CAS-BOT-BC279077  Festuca rubra Peter Rubtzoff 1951-6-7 142 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  UCD126866  Foeniculum vulgare Frederica Bowcutt 1996-5-19 2129 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon, about 1/8 air mile NE of Red Mtn. 701 Comment
  CAS-BOT-BC455955  Fragaria chiloensis Walter Knight; Irja Knight 1964-2-18 567 Sonoma Hiway #1, Rocky Point. Coastal bluff. Comment
  UCD112540  Frangula californica Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-29 92 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC53278  Frangula californica subsp. californica Peter Rubtzoff 1951-6-16 251 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC53280  Frangula californica subsp. californica James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  CAS-BOT-BC223363  Fraxinus John H. Thomas 1955-5-22 5183 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
  POM130974  Fraxinus latifolia W. A. Setchell 1897-6-16 s.n. Sonoma Western Middle California: Casadero [Cazadero]. Comment
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Dec 31 2015
  UCD122047  Fraxinus latifolia Frederica Bowcutt 1994-5-1 1777 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 bout 150 yards, 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  JEPS42908  Fremontodendron californicum E. L. Greene 1912-6-21 Sonoma Glass Hill, Cazadero Comment
  SEINET11982416  Fremontodendron californicum subsp. napense F. W. Hoffman 1947-1 779 Sonoma Gilliam Creek, branch of East Austin Creek, near Guerneville Comment
  CAS-BOT-BC130183  Fritillaria affinis J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC130358  Fritillaria liliacea J. W. Congdon 1880-4-3 s.n. Sonoma Petaluma Comment
  UC72491  Fritillaria liliacea Milo S. Baker 1898-4 Sonoma near Santa Rosa Comment
  CAS-BOT-BC130454  Fritillaria purdyi Milo S. Baker 1927-4-22 s.n. Sonoma Mt. St. Helena 853 Comment
  JEPS62311  Fritillaria recurva Milo S. Baker 1942-3-27 Sonoma Kenwood Comment
  UCD151094  Galium andrewsii James A. Neilson Jr. 1974-6-1 3552 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UCD121675  Galium aparine Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 033 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 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
  CDA30960  Galium bolanderi D. G. Kelch, Troy McGregor 2010-8-22 10 .358 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  JEPS52892  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3902 Sonoma 4.8 mi n Cazadero (on King Mt. Rd.) Comment
  RSA67159  Galium californicum subsp. californicum J. T. Howell 1930-6-8 5246 Sonoma 1 mile east of Bodega Bay Comment
  JEPS9662  Galium divaricatum Michener and Bioletti 1892-7-1 Sonoma Hoods Peak Comment
  SEINET12333743  Galium murale H. K. Wagnon 1989-1 1882 Sonoma Spring Lake Park & environs, adjacent to Montgomery Drive, edge of service road 67 Comment
  CAS-BOT-BC371433  Galium parisiense Greg de Nevers 1997-4-22 10953 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Above Bechtel House 400 Comment
  UCD55328  Galium parisiense Ellen Dean 2006-6-28 3175 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  UCD55074  Galium porrigens Ellen Dean; Tammie Beyerl 2006-4-28 3018 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  UCD121890  Galium porrigens P. G. Connors 1992-5-8 247 Sonoma Near rock outcrop on hillside. Comment
  JEPS19406  Galium porrigens var. porrigens G. Thomas Robbins 1940-3-24 306 Sonoma about 6 mi e Santa Rosa (Calistoga Rd); Rincon Grade 167 Comment
  RSA264733  Galium trifidum Peter Rubtzoff 1962-10-9 5108 Sonoma Brooks Gulch Marsh. Comment
  RSA264734  Galium trifidum Peter Rubtzoff 1970-6-14 6261 Sonoma On River Road about 3 miles W of Fulton. Comment
  OBI35972  Galium triflorum David J. Keil 1983-6-29 17198 Sonoma Ca 10 mi SE of Ft Ross along hwy 1 Comment
  RSA0009767  Galium triflorum Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  UCR255027  Gamochaeta pensylvanica Greg de Nevers 1993-5-30 10463 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1042429  Gamochaeta ustulata Peter Rubtzoff 1951-6-7 137 Sonoma Western branch of Upper Marsh, (near Forestville, in a marshy opening); Pitkin Marsh Comment
  RSA28561  Gamochaeta ustulata Annetta Carter, Ethel Crum 1941-6-22 2148 Sonoma 3.3 miles E of Bay (Bodega Bay). Comment
  RSA790992  Gamochaeta ustulata Peter Rubtzoff 1971-6-5 6519 Sonoma Intermitten lake off wst side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA12702  Garrya elliptica Carl B. Wolf, E. R. Johnson 1934-10-13 6180 Sonoma Nine miles north of Fort Ross on Coast Road to Stewarts Point. 46 Comment
  CAS-BOT-BC182162  Garrya fremontii Walter Knight; Steve Edwards 1985-11-17 5184 Sonoma ridge northwest of summit of Kortum Canyon Road Comment
  UC971691  Gastridium ventricosum Leo Koch 1940-4-22 837 Sonoma above Sulfur Creek Geysers; above Sulfur Creek Geysers Comment
  SEINET7062819  Gaultheria shallon A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point. UTM Zone 10, 464491mE, 4278527mN. (WGS84/NAD83). 0 Comment
  UC571061  Gaultheria shallon H. L. Mason 1928-4-8 4294 Sonoma 2 mi n of Fort Ross (along coast) Comment
  UC519223  Genista monspessulana G. H. Vansell 1933-7-25 Sonoma along Russian River Comment
  RSA28626  Gentiana affinis Annetta Carter, E. K. Crum 1941-6-22 1638 Sonoma 3.3 miles E of Bay (Bodega Bay). Comment
  UC405441  Gentiana affinis var. ovata Katharine Brandegee June 1905 Sonoma Bodega Bay Comment
  POM264463  Gentiana oregana Annetta Carter, Ethel Crum 1941-6-22 1638 Sonoma 3.3 miles E of Bay (Bodega Bay). Comment
  SEINET12183370  Geranium dissectum W. Irja, Knight, T. 1984-1 5037 Sonoma around Royal Oaks Mobile-home Park on N McDowell Blvd., Petaluna Comment
  UCD103411  Geranium molle Mary M. Hektner 1976-9-15 268 Sonoma Irena Morgan's garden. Pacific Reach Road, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR222558  Geranium robertianum George K. Helmkamp, E. A. Helmkamp 2010-6-5 16239 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  RSA144719  Gilia capitata Roxana S. Ferris, Laura Lorraine 1961-6-15 13569 Sonoma About 1/8 mile beyond County Dump Comment
  UCD117655  Gilia capitata Roxana S. Ferris; Laura Lorraine 1961-6-15 13569 Sonoma about 0.125 mile beyond County Dump. Comment
  CAS-BOT-BC361360  Gilia capitata Greg de Nevers 1997-4-16 10937 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  RSA74042  Gilia capitata Anonymous 1947-5-12 11767 Sonoma southwest slope of Hood Mt. near base of Sugar Loaf. 457 Comment
  UC907876  Gilia capitata subsp. capitata Thomas Morley 1946-5-19 592 Sonoma on road to Graton about 2 1/2 mi ne Occidental; ne of Occidental on rd to Graton 167 Comment
  UCSB31713  Gilia capitata subsp. capitata Townsend, J. 1977-5-30 Sonoma East bank Russian River, 1 mile south of Gurneyville Comment
  UC931995  Gilia capitata subsp. chamissonis Verne Grant, Alva Grant 1948-7-7 8598 Sonoma eleven mi n Bodega (sand dunes near highway 1); n of Bodega Comment
  UC1299519  Gilia tricolor subsp. tricolor Freed W. Hoffman 1947-4-3 879 Sonoma near Guerneville (headwaters of Fife Creek on road to Austin Ranch); North Coast Ranges, Fife Creek, near Guerneville Comment
  SEINET10906071  Githopsis specularioides Frederic T. Bioletti 1892-5-15 Bioletti s.n. Sonoma Comment
  CDA2720  Gladiolus italicus William J. Ferlatte 1974-5-1 Sonoma Northwest corner of East Washington and Adobe Road, Petaluma. 0 Comment
  SJSU8210  Glaux maritima W. Savage 1976-7-16 1104 Sonoma on Chas. Gambonini Ranch by Schultz Slough c. 5 km SE of Petaluma 1 Comment
  UC518025  Glebionis segetum Lewis S. Rose 1933-5-9 33154 Sonoma Bodega Bay Comment
  CAS-BOT-BC227642  Glyceria Peter Rubtzoff 1964-6-24 5382 Sonoma Coleman Marsh. Comment
  CAS-BOT-BC227651  Glyceria Peter Rubtzoff 1966-5-29 5739 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road crossing). Comment
  UC1446208  Glyceria declinata Paul But with Peter Rubtzoff 1974-4-6 1005 Sonoma Kenwood Marsh 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-BC282808  Glyceria leptostachya Peter Rubtzoff 1951-6-8 407 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  RSA126635  Glyceria leptostachya H. S. Yates 1937-5-30 6554 Sonoma 1.5 miles E. of Occidental. 91 Comment
  UCR282046  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5382 Sonoma Coleman Marsh 269 Comment
  UCR282047  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5379 Sonoma Coleman Marsh 269 Comment
  CAS-BOT-BC173574  Gnaphalium Peter Rubtzoff 1970-10-3 6403 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC173577  Gnaphalium Peter Rubtzoff 1969-11-2 6207 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC176163  Gnaphalium chilense Peter Rubtzoff 1974-8-4 7796 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC166785  Gnaphalium palustre Peter Rubtzoff 1959-8-30 s.n. Sonoma Drake's Beach near Guerneville. Comment
  JEPS34012  Gnaphalium palustre Willis L. Jepson 1892-8-7 14749 Sonoma near Cloverdale (valley of the Russian River); Russian River Comment
  JEPS87227  Gnaphalium palustre Jack and Betty Guggolz 1992-7-17 1330 Sonoma low area in a large cattle pasture Bloomfield Road 36 Comment
  CAS-BOT-BC176134  Gnaphalium palustre Peter Rubtzoff 1951-9-3 740 Sonoma Vacation Beach, near Guerneville. Comment
  RSA785847  Gnaphalium palustre Peter Rubtzoff 1969-10-29 6202 Sonoma River Road, 3 mi W of Fulton Comment
  CAS-BOT-BC166965  Gnaphalium purpureum Peter Rubtzoff 1977-9-4 9131 Sonoma Cunningham Marsh area, along a northern tributary of Blucher Creek, ca. 1 air mile WSW of Cunningham Station. Comment
  CAS-BOT-BC173579  Gnaphalium purpureum Peter Rubtzoff 1959-6-6 4095 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC251303  Gratiola ebracteata Peter Rubtzoff 1961-7-22 4664 Sonoma Bennett Mountain Lake. Comment
  JEPS4240  Gratiola ebracteata W. L. Jepson 1921-5-6 9193 Sonoma Sonoma Valley 30 Comment
  CAS-BOT-BC305186  Grindelia hirsutula John Thomas Howell 1930-6-8 5256 Sonoma 1 mile east of Bodega Bay Comment
  UCD166081  Grindelia hirsutula Peter Rubtzoff 1971-6-10 6533 Sonoma Laguna de Santa Rosa E of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC305173  Grindelia hirsutula Robert M. King 1980-7-8 8413 Sonoma Generally 2 miles north of Bodega Bay Comment
  CAS-BOT-BC371464  Habenaria Greg de Nevers 1989-9-10 9103 Sonoma Field redacted by CAS, contact the data manager for more information 400 Comment
  SEINET11689069  Hainardia cylindrica H. K. Wagnon 1989-1 1890 Sonoma adjacent to Fort Ross School's reservoir, Timber Cove 122 Comment
  JEPS117092  Harmonia nutans Peter Warner 2010-5-23 158 Sonoma Ida Clayton Rd., ~ 5.3 km fr. jct. w/ Hwy 128; on upslope (W) side of road Comment
  CAS-BOT-BC306331  Hedypnois cretica Ella Dales Cantelow 1941-4-14 3509 Sonoma Mouth of Salmon Creek nr. ocean Comment
  POM187815  Helenium bigelovii Marcus E. Jones 1931-7-5 29104 Sonoma The Geysers. Comment
  RSA800284  Helenium puberulum Peter Rubtzoff 1970-9-3 6372 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  POM260541  Helenium puberulum Roxana S. Ferris 1937-8-18 9374 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  RSA800281  Helenium puberulum Peter Rubtzoff 1959-9-12 4260 Sonoma Willow Creek Marsh. Comment
  RSA800283  Helenium puberulum Peter Rubtzoff 1968-7-20 5927 Sonoma Upper Salmon Creek Marsh. Comment
  RSA800290  Helenium puberulum Peter Rubtzoff 1958-7-26 3796 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  RSA94283  Helenium puberulum Peter Rubtzoff 1951-9-2 709 Sonoma Northern half of Lower Marsh; Pitkin Marsh, near Forestville. Comment
  SEINET11843060  Helianthella californica Unknown 1985-1 RR 50176 Sonoma W of Healdsburg, ridge of W side of Dry Creek Valley, N of Dorman Canyon to Bradford Mt. area 244 Comment
  CAS-BOT-BC314693  Helianthella californica var. californica Alice Eastwood 1915-6-6 4568 Sonoma Petrified Forest 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
  CAS-BOT-BC305369  Helianthus annuus Walter Knight; Irja Knight 1963-10-11 344 Sonoma Cotati near Gravenstein Highway Jct Comment
  CAS-BOT-BC123602  Heliotropium oculatum Amos Arthur Heller 1902-7-8 5813 Sonoma Bank of Russian River at Healdsburg Comment
  SEINET1782495  Heliotropium oculatum A. A. Heller 1902-7-8 5813 Sonoma Russian river at Healdsburg. Comment
  UCD159448  Helminthotheca echioides D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 205 Sonoma Near 'Big Hole' filled with freshwater. Wet. 10 Comment
  UCD132968  Helminthotheca echioides H. S. Yates 1935-10-3 5343 Sonoma Santa Rosa. Comment
  CAS-BOT-BC257144  Hemizonia Peter Rubtzoff 1959-6-13 4115 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC257984  Hemizonia Peter Rubtzoff 1964-8-26 5491 Sonoma Marsh 5 miles northeast of Penngrove on lichan Road 213 Comment
  CAS-BOT-BC258395  Hemizonia Peter Rubtzoff 1974-5-18 7422 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UCD166096  Hemizonia Peter Rubtzoff 1971-7-23 6619 Sonoma Laguna, Chileno Valley. Comment
  UC89028  Hemizonia congesta Mrs. K. Curran 1888-6-1 Sonoma Verano Comment
  CAS-BOT-BC306179  Hemizonia congesta subsp. congesta 1909-6-20 s.n. Sonoma Fulton Comment
  CAS-BOT-BC306226  Hemizonia congesta subsp. congesta John Thomas Howell; J. W. Stacey 1936-7-26 12672 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  JEPS87226  Hemizonia congesta subsp. congesta Jack and Betty Guggolz 1992-6-22 1326 Sonoma cattle pasture se Knowles Corner 36 Comment
  CAS-BOT-BC306243  Hemizonia congesta subsp. congesta James I. McMurphy 1909-8-10 717 -B Sonoma About a mile W of Santa Rosa on road to Fulton Comment
  UCD132983  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-4-30 1038 Sonoma north side of intersection of Occidental Road and Facendini Lane. Comment
  UCD132984  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-5-18 1051 Sonoma one-half mile south of Two Rock Ranch Military Reservation; on Dutra Ranch. 1/4 mile east and west of Dutra home. Comment
  CAS-BOT-BC309668  Hemizonia congesta subsp. lutescens John I. Carlson 1917-7-23 s.n. Sonoma Preston Comment
  CAS-BOT-BC309723  Hemizonia congesta subsp. lutescens David D. Keck 1933-11-6 2652 Sonoma 1/2 mi. S. of Jenner Comment
  JEPS119475  Hemizonia congesta subsp. lutescens Ann Howald 2011-8-30 2808 Sonoma North Coast Ranges: eastern Petaluma Valley, Manor Lane, 0.5 mi north of intersection with Old Adobe Road. Comment
  RSA794576  Hemizonia congesta subsp. lutescens Ann Howald 2011-8-30 2808 Sonoma eastern Petaluma Valley, Manor Lane, 0.5 mi. north of intersection with Old Adobe Rd. 75 Comment
  UC473562  Hemizonia congesta subsp. lutescens John Thomas Howell 1930-7-27 5411 Sonoma 4 mi n Bodega Bay Comment
  UC897703  Hemizonia congesta subsp. lutescens Milo S. Baker 5718 Sonoma Comment
  UCD132990  Hemizonia congesta subsp. lutescens Lewis S. Rose 1964-8-26 64067 Sonoma 5 miles northeast of Penngrove. 243 Comment
  CAS-BOT-BC309954  Hemizonia congesta subsp. luzulifolia L. R. Abrams 1907-8-1 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC309957  Hemizonia congesta subsp. luzulifolia L. R. Abrams 1907-8-1 s.n. Sonoma Santa Rosa Comment
  SD239596  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. 328 Comment
  UC990617  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-8-8 705 Sonoma near Kenwood Comment
  UC990626  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1910-6-8 Sonoma valley across hills from Petaluma Comment
  UCD133003  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 miles northeast of Penngrove. 426 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-BC309942  Hemizonia congesta subsp. luzulifolia Milo S. Baker 1932-8-28 6014 Sonoma M. S. Baker ranch, Adobe Canyon Comment
  CAS-BOT-BC309951  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-5-29 s.n. Sonoma Grade, ridge S. of Geysers Comment
  CAS-BOT-BC309959  Hemizonia congesta subsp. luzulifolia Walter Knight; Irja Knight 1963-9-15 301 Sonoma Unspecified Comment
  OBI43810  Hemizonia congesta subsp. luzulifolia L. F. LaPre 1986-7-29 s.n. Sonoma Socrates Mine, ca 9 mi ENE of Geyserville (The Geyers Quad: T11N, R8w, sec 32) 914 Comment
  POM181139  Hemizonia lutescens J. T. Howell 1930-7-27 5409 Sonoma 8 miles south of Fort Ross Comment
  RSA81620  Hemizonia lutescens James I. McMurphy 1909-7-10 504 Sonoma Rocky point 4 miles NW of Cloverdale on road to Boonville. Comment
  JEPS29497  Hesperevax sparsiflora var. sparsiflora W. L. Jepson 1921-6-3 9306 Sonoma s Santa Rosa (near Wilfred Station, in a flat in the Cotati Valley, on the Northwestern Pacific Ry); Cotati Valley 28 Comment
  SD40697  Hesperocyparis sargentii Carl B. Wolf, E. R. Johnson 1934-10-13 Sonoma 2 miles from Occidental, Coys Ranch 89 Comment
  UCR49205  Hesperolinon L. F. LaPre 1987-7-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  UC903717  Hesperolinon clevelandii Milo S. Baker 1947-5-7 11743 Sonoma sw slope just above Baker ranch; Hood Mt. 213 Comment
  UC1212386  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-17 4125 Sonoma ca 1 mi beyond origin of Pine Flat road in Alexander Valley (slopes of Saysal Creek canyon); Inner North Coast Ranges, Mayacamas Range, Saysal Creek 182 Comment
  UC1212391  Hesperolinon spergulinum Helen K. Sharsmith 1952-7-23 4168 Sonoma 1.1 mi ne Skaggs Springs; Inner North Coast Ranges 106 Comment
  RSA126155  Hesperolinon spergulinum Milo S. Baker 1946-7-4 11525 Sonoma Harrison Grade, 1 mi N.E. of Occidental in serpentine area. Comment
  UC1212387  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-18 4126 Sonoma n of Pine Flat (slopes above Florence Creek); Inner North Coast Ranges, Mayacamas Mountains, Florence Cree 670 Comment
  CAS-BOT-BC149838  Heteromeles arbutifolia Saichi Kawahara 1968-4-20 327 Sonoma Trinity Road, 1 mile northeast of Highway 12 152 Comment
  UC666147  Heuchera pilosissima Annetta Carter, Ethel Crum 1941-6-22 1640 Sonoma ne-facing slope 3.3 mi e of Bodega Bay; North Coast Ranges Comment
  UCSB2552  Heuchera pilosissima Keator, Glenn 1959-4-1 Sonoma 1.5 miles north of Fort Ross Monument on Highway 1 Comment
  CDA5016  Hibiscus trionum E. P. Delfino 1959-11-3 Sonoma 199 West Matheson, Santa Rosa. 0 Comment
  JEPS78859  Hieracium albiflorum Edward Lee 1936-6-8 2219 Sonoma Bohemian Grove; grounds near entrance Comment
  SD134002  Hoita macrostachya Greg de Nevers, Buddy Goatcher 1987-6-30 8228 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, at spring 99 Comment
  UCD164989  Hoita macrostachya Peter Rubtzoff; Nancy Harrison 1974-8-31 7857 Sonoma Pressley Road, 0.25 miles south of junction with Sonoma Mountain Road (2.7 miles north of Lichau Road junction). Comment
  UCD84904  Holcus lanatus Peter Kamb; Francia Chisaki 1950-6-16 1856 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners. Comment
  UCD38483  Holodiscus discolor Beecher Crampton 1955-6-17 2957 Sonoma 5 miles west of Cazadero, road to Fort Ross. Comment
  CAS-BOT-BC166739  Holozonia filipes Peter Rubtzoff 1961-7-22 4661 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC315806  Holozonia filipes H. M. Hall 1931-5-26 13083 Sonoma Boyes Spring Comment
  NY114965  Hookera synandra A. A. Heller 1902-6-23 5742 Sonoma Petrified Forest Comment
  CAS-BOT-BC289285  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1960-5-15 4338 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC289539  Hordeum brachyantherum subsp. californicum Roxana S. Ferris; Laura Lorraine 1961-6-14 13545 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UCD85631  Hordeum depressum R. Tofsrud 1949-4-1 s.n. Sonoma Fulton. Comment
  CAS-BOT-BC285190  Hordeum marinum subsp. gussoneanum A. A. Heller 1902-6-4 5636 Sonoma Santa Rosa Comment
  CAS-BOT-BC285195  Hordeum marinum subsp. gussoneanum Peter Rubtzoff 1951-7-7 384 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  UCD85911  Hordeum marinum subsp. gussoneanum H. S. Yates 1937-5-30 6548 Sonoma 4 miles NW of Graton. 91 Comment
  POM34931  Horkelia californica Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  SDSU9065  Horkelia californica D. F. Howe 1963-8-1 3653 Sonoma 2.2 miles north of Jenner on #1. Comment
  UC424868  Horkelia californica subsp. dissita Milo S. Baker 1930-5-31 4150 Sonoma e Heldsburg (beyond Brattie's); Russian River Comment
  CAS-BOT-BC536170  Horkelia californica var. elata Milo S. Baker 1930-5-31 4150 b Sonoma Russian River east of Healdsburg above Buttes Comment
  UC75491  Horkelia tenuiloba Milo S. Baker May 1899 Sonoma near the Laguna (Forestville Rd); Forestville Comment
  UC1299116  Horkelia tenuiloba Freed W. Hoffman 1950-5-27 3593 Sonoma Fred McMurry Ranch on Healdsburg-Guerneville Hwy North Coast Ranges Comment
  SEINET957358  Hosackia gracilis S. Walker 1983-1 83 H-102 Sonoma In ditch beside road to Goat Rock. Comment
  CAS-BOT-BC540825  Hypericum Peter Rubtzoff 1969-7-21 6115 Sonoma Guerneville Marsh, Pocket Canyon area. Comment
  JEPS128179  Hypericum concinnum Roger Raiche 2001-5-17 022 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UCD160874  Hypericum concinnum James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3269 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
  RSA94321  Hypericum formosum var. scouleri Peter Rubtzoff 1951-6-30 292 Sonoma Western branch of the upper Marsh; in a marshy opening. Comment
  UCR253373  Hypericum perforatum Peter Rubtzoff 1971-6-26 6576 Sonoma Pitkin Marsh, near Forestville 38 Comment
  CAS-BOT-BC401289  Hypericum perforatum Mary P. Wells 1984-5-24 272 Sonoma Annadel State Park, Santa Rosa Comment
  UCD133333  Hypochaeris glabra Mary M. Hektner 1976-5-10 254 Sonoma above beach near the Sea Ranch Association Office; Unit 36 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD138711  Iris douglasiana Marilyn J. Veron 1976-5-2 16 Sonoma 2.1 miles northeast of Bodega Bay on Bay Hill Road. Comment
  UCD138714  Iris douglasiana Nicholas Foulder 1982-5-22 49 Sonoma 2 miles south Campmeeke on Highway 4 (Bohemian). Comment
  UCD138724  Iris fernaldii Frederica Bowcutt 1994-5-1 1761 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 Kenwood. Along Sonoma Creek just E of Bear Creek near bridge over Sonoma Creek. On Goodspeed trail about 30 yards from trail head. 198 Comment
  RSA135812  Iris fernaldii E. K. Balls 1957-5-27 22620 Sonoma Mt. St. Helena, 7.5 miles south of Lake-Sonoma County line 335 Comment
  UCD138723  Iris fernaldii Erik Beever 1993-5-8 227 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Pony Gate Trail. 365 Comment
  SEINET3271676 Image available Iris macrosiphon Sally Walker 1981-5-26 Sonoma Near summit of Ida Clayton Rd across Mt. St. Helena 914 Comment
  CAS-BOT-BC57738  Isoetes howellii John Thomas Howell 1937-6-6 13015 Sonoma Sebastopol Comment
  CAS-BOT-BC368087  Isoetes howellii Greg de Nevers 1998-3-20 11220 Sonoma Cresta Ranch, Mark West Creek Comment
  CAS-BOT-BC61921  Isoetes nuttallii J. Clausen 1935-5-24 1078 Sonoma Adobe Canyon along Sonoma Creek Comment
  CAS-BOT-BC164643  Juncus Peter Rubtzoff 1964-7-29 5456 Sonoma Duncans Mills Marsh. Comment
  UCR250390  Juncus balticus Peter Rubtzoff 1957-5-11 3333 Sonoma Occidental Marsh Comment
  SEINET6744751 Image available Juncus bolanderi Marcus E. Jones 1882-1 3523 Sonoma Duncan's Mills Comment
  UCD141497  Juncus effusus P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC227620  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5907 Sonoma Lichan Marsh Comment
  UCD160848  Juncus effusus subsp. pacificus James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3288 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
  UCR280144  Juncus effusus subsp. pacificus Peter Rubtzoff 1971-9-3 6693 Sonoma North Coast Range, Spring Creek Reservoir 87 Comment
  RSA790718  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5902 Sonoma Lichan Marsh. Comment
Read comments
Apr 16 2014
  CAS-BOT-BC157998  Juncus hesperius Peter Rubtzoff 1959-6-20 4178 Sonoma Willow Creek Marsh Comment
  UCD167419  Juncus hesperius Peter Rubtzoff 1964-8-3 1634 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC328116  Juncus lescurii Peter Rubtzoff 1954-8-9 1663 Sonoma Bodega Head Marsh. Comment
  SEINET6744753 Image available Juncus lescurii S. Saufferer 1973-5-24 218 Sonoma Bodega Bay. Comment
  RSA94317  Juncus mexicanus Peter Rubtzoff 1951-9-2 717 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh. Comment
  SD99416  Juncus oxymeris Christopher Davidson 1977-6-17 5882 Sonoma State Highway 12, ca. 3 miles west of Guerneville, along Russian River. Sand bar in river. 14 Comment
Read comments
Jun 25 2020
  UCD141758  Juncus patens Mary M. Hektner 1976-8-26 266 Sonoma Unit 28 Owner;s Map, Sea Ranch, near State Highway 1. Comment
  CDA39264  Juncus phaeocephalus T. C. Fuller 1958-1-29 s.n. Sonoma Horn Ave., south of Santa Rosa. 0 Comment
  JEPS67064  Juncus phaeocephalus var. paniculatus W. L. Jepson 1921-6-2 9304 Sonoma nw of Windsor (and just e of Calhoun ranch) Comment
  RSA293429  Juncus phaeocephalus var. phaeocephalus Reino Alava 1958-5-24 2047 Sonoma Northern part of Pitkin Marsh. Comment
  CHSC113798  Juncus xiphioides Peter F. Zika 2012-6-30 25944 Sonoma Pepperwood Preserve, near Dwight Center, 3 air miles SE of Bald Hills, Mayacmas Mountains. Outer North Coast Ranges. (NCoRO) 375 Comment
  UCD142832  Juncus xiphioides Frederica Bowcutt 1994-6-24 1895 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/4 way from bald Mountain Trail to Headwaters Trail. 554 Comment
  CAS-BOT-BC273786  Koeleria pyramidata G. DeNevers 1981-6-6 1474 Sonoma Pepperwood Ranch. At top of Telegraph Hill Comment
  CAS-BOT-BC340657  Lactuca serriola Walter Knight; Irja Knight 1963-10-6 489 Sonoma Skillman Lane, Petaluma Comment
  CAS-BOT-BC340659  Lactuca serriola Mary P. Wells 1985-8-12 593 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  UCD63277  Lamarckia aurea Beecher Crampton 1954-4-26 1793 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  SEINET11687493  Lamarckia aurea I. Knight, Knight, W.; Edwards, S. 1986-1 5326 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Road 853 Comment
  UCD63321  Lamarckia aurea Freed W. Hoffman 1941-4-25 2239 Sonoma Luttrell Ranch, near Guerneville. Comment
  UC25314  Lamium amplexicaule F. T. Bioletti Mar 1892 Sonoma Comment
  SEINET9314468  Lamium purpureum Unknown 1993-3-14 10528 Sonoma Sonoma Co., CA Comment
  UCSC007232  Lasthenia Randall Morgan 2003-6-27 3992 Sonoma Colony on low coastal bluff halfway along Salt Pt. State Park, Sonoma Coast Comment
  CAS-BOT-BC324926  Lasthenia burkei Peter Rubtzoff 1963-6-6 5165 Sonoma Laguna de Santa Rosa east of Graton Comment
  JEPS86322  Lasthenia burkei Jack and Betty Guggolz 1988-4-14 913 Sonoma about 200 m n and 200 m e Northern Pacific RR crossing (crossing of Starr Road) Comment
  JEPS86735  Lasthenia burkei Jack and Betty Guggolz 1990-4-25 1036 Sonoma 1.5 mi n Simi Winery (s of Lytton Road and w of Lytton Creek) 51 Comment
  UC579278  Lasthenia californica subsp. bakeri H. S. Yates 1934-4-21 3787 Sonoma near Bodega 60 Comment
  JEPS117131  Lasthenia gracilis Peter Warner 2010-5-20 154 Sonoma Jenner Headlands, ~100 m W 330 deg. N of residence cabin on Willig Extension Dr., on low rock outcrop in Tank Field Comment
  POM361574  Lasthenia macrantha subsp. macrantha J. T. Howell 1931-4-18 6425 Sonoma 8 miles N of Bay Comment
  RSA19275  Lasthenia minor Jens Clausen 1935-5-24 1084 Sonoma 5 miles S of Jenner. Comment
  UCSC000800  Lasthenia minor subsp. minor R. D. Williams 2000-3-31 18 Sonoma Plentiful in moist, sandy soil on the edge of the bluff above the ocean north of Bay Bodega Bay Comment
  JEPS86809  Lathyrus Jack and Betty Guggolz 1991-5-20 1140 Sonoma 97 Comment
  POM29622  Lathyrus Marcus E. Jones 1924-4-23 s.n. Sonoma Petaluma. Comment
  UCD166083  Lathyrus Peter Rubtzoff 1971-6-23 6551 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC204991  Lathyrus jepsonii var. californicus A. A. Heller 1902-6-11 5692 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  UCD167407  Lathyrus vestitus James Neilson 1977-3-25 3850 Sonoma Mayacmas Mountains, Pine Flat Rd ca. 2 miles south of PG and E storage yard at Pine Flat. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET12165326  Lathyrus vestitus W. Knight, Knight, I.; DrEdwards, S. 1986-1 5333 Sonoma trail to the summit of Geyser Peak, access from Healdsburg-Geysers Road 863 Comment
  SEINET12165541  Lathyrus vestitus subsp. bolanderi F. H. Utech 1986-1 86 -119 Sonoma ca 6 mi NE on Cavedale Road 600 Comment
  SD88301  Lathyrus vestitus var. vestitus Darley F. Howe 1972-4-30 Sonoma Bodaga bay Comment
  UC1537075  Layia chrysanthemoides Gordon H. True Jr. 1938-4-13 862 Sonoma near Sonoma 60 Comment
  CAS-BOT-BC323236  Layia chrysanthemoides John Thomas Howell 1931-4-18 6426 Sonoma 8 miles N of Bay Comment
  CAS-BOT-BC323256  Layia chrysanthemoides Marian L. Campbell 1921-4-15 s.n. Sonoma Sonora Comment
  UC1073293  Layia platyglossa George B. Rossbach 1955-3-19 547 Sonoma w rim Bodega Head; w rim of Bodega Head 45 Comment
  UC57867  Layia platyglossa A. A. Heller 1903-4-23 6608 Sonoma Fort Ross Comment
  CAS-BOT-BC329304  Layia septentrionalis H. E. Brown; A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood Comment
  SEINET11995839  Ledum glandulosum F. H. Utech 1988-1 88 -220 Sonoma Salt Point, along CA 1 between Tenner & Stewart's Point, mile marker 38.39 75 Comment
  RSA71060  Ledum glandulosum subsp. columbianum L. S. Rose 1951-6-7 51015 Sonoma Pitkin Marsh, 5 miles N of Sebastopol. Comment
  CDA42317  Legenere limosa Peter Rubtzoff 1969-5-24 6051 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road. Comment
  CAS-BOT-BC154154  Lemna Peter Rubtzoff 1965-11-9 5667 A Sonoma Laguna de Santa Rosa area, E of Graton (btwn. Occidental and Guerneville Roads). Comment
  UCD166332  Lemna Peter Rubtzoff 1968-6-25 5910 Sonoma Lichan Marsh. Comment
  UCD166180  Lemna gibba Peter Rubtzoff 1969-7-13 6111 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road. Comment
  RSA785222  Lemna gibba Peter Rubtzoff 1969-7-13 6111 Sonoma Pond 5.25 mi NE of Penngrove near Lichan Road. Comment
  CAS-BOT-BC344881  Lemna minor Peter Rubtzoff 1962-8-24 5067 Sonoma Guerneville Marsh. Comment
  UCR255075  Lemna minor Peter Rubtzoff 1960-6-5 4434 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road 30 Comment
  UC1019908  Lemna minuscula Peter Rubtzoff 1951-6-17 287 Sonoma Pitkin Marsh near Forestville; Pitkin Marsh Comment
  UCR256958  Lemna valdiviana Peter Rubtzoff 1958-8-23 3899 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  CAS-BOT-BC339168  Leontodon saxatilis subsp. saxatilis R. E. Frenkel 1964-6-23 612 Sonoma On California Hwy. 1, 2.3 miles south of Stewarts Point 18 Comment
  SEINET6165742 Image available Lepechinia calycina Unknown 1984-6-1 s.n. Sonoma Occidental Sonoma county Ca, Originally from Santa Barbara Comment
  CAS-BOT-BC371469  Lepidium appelianum Greg de Nevers 1993-7-29 10478 Sonoma On dike of Petaluma River marsh at Highway 37. Comment
  CAS-BOT-BC176125  Lepidium didymum Peter Rubtzoff 1958-8-9 3840 Sonoma Laguna de [Snata] Santa Rosa north of Sebastopol (nr. Occidental road) Comment
  CAS-BOT-BC89151  Lepidium didymum Katharine Brandegee 1905-6-1 s.n. Sonoma Bodega. Comment
  RSA247447  Lepidium latifolium Peter Rubtzoff 1969-8-26 6158 Sonoma On River Road. 3 miles W of Fulton. Comment
  UC517474  Lepidium oxycarpum John Thomas Howell 1933-4-1 10924 Sonoma Petaluma Comment
  CAS-BOT-BC12967  Lepidium strictum J. W. Congdon 1880-3-1 s.n. Sonoma Petaluma. Comment
  SBBG53022  Leptosiphon androsaceus M. R. Benedict 1978-4-18 Sonoma Warm Springs Dam site Comment
  CAS-BOT-BC376245  Leptosiphon parviflorus Greg de Nevers 1992-4-28 10118 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  JEPS87253  Lessingia arachnoidea Jack and Betty Guggolz 1992-8-29 1335 Sonoma 1 1/2 mi nw of Camp Meeker 45 Comment
  JEPS87254  Lessingia arachnoidea Jack and Betty Guggolz 1992-8-29 1336 Sonoma about 1 3/4 mi nw of Camp Meeker 146 Comment
  JEPS128329  Lessingia ramulosa Roger Raiche 2009-8-23 039 .09 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS20586  Lessingia ramulosa Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  UCD166265  Leucanthemum vulgare Peter Rubtzoff 1970-9-3 6369 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC273567  Leymus californicus M. S. Baker 1942-5-23 10198 Sonoma 2 1/2 miles west of Bodega town turning right in town Comment
  UCD61317  Leymus californicus G. L. Stebbins Jr.; W. S. Boyle 1942-5-12 3229 Sonoma Bodega Canyon Road, 2.5 miles west of Bodega. Comment
  UC38164  Leymus triticoides J. Burtt Davy 1897-9-18 4037 Sonoma roadside bank near Petaluma Comment
  CAS-BOT-BC436536  Ligusticum apiifolium Alice Eastwood; John Thomas Howell 1939-6-11 7409 Sonoma Near Triniti P.O., Hood Mt. Range Comment
  CAS-BOT-BC451710  Lilaea scilloides Peter Rubtzoff 1958-4-26 3591 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC451715  Lilaea scilloides D. E. Breedlove 1983-5-4 58697 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  UC1191232  Lilium occidentale Herbert L. Mason 1946-7-4 12893 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
Read comments
Dec 13 2006
  CAS-BOT-BC130833  Lilium pardalinum Peter Rubtzoff 1955-7-17 1971 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC123087  Lilium pitkinense Lawrence Beane; Albert Michael Vollmer 1954-7-20 1270 Sonoma in the Pitkin Marsh Comment
  RSA155473  Limnanthes douglasii L. S. Rose 1962-6-1 62061 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  SEINET6670409  Limnanthes douglasii M. S. Baker s.n. Sonoma Between Santa Rosa and Stony Point Comment
  UC727737  Limnanthes douglasii subsp. douglasii Milo S. Baker 1946-3-28 11303 Sonoma Sonoma; w outskirts Comment
  CAS-BOT-BC488332  Limnanthes douglasii subsp. nivea 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
  JEPS86816  Limnanthes vinculans Jack and Betty Guggolz 1991-5-14 1136 Sonoma s Lone Pine Road (w of Hwy 116) 27 Comment
  CAS-BOT-BC258682  Limosella Peter Rubtzoff 1973-8-27 7271 Sonoma Upper Green Valley Marsh area. Comment
  CDA36957  Linanthus androsaceus 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
  JEPS58169  Linanthus androsaceus J. Ewan 1935-5-12 9200 Sonoma 2 mi w Bodega (Bodega Bay road) Comment
  SEINET12329973  Linanthus androsaceus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -195 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  UC70407  Linanthus grandiflorus Milo S. Baker 1899-6-24 Sonoma near Valley Ford Comment
  UC1763995  Linanthus jepsonii Douglas W. Schemske 1993-4-30 1 D Sonoma Pepperwood Ranch Natural Preserve Comment
  UC908783  Linanthus jepsonii Herbert L. Mason 1928-4-13 4337 Sonoma Reibli School Comment
  SEINET12186036  Linum micranthum W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4754 Sonoma The Cedars, near Cazadero, Twitchell Ranch 244 Comment
  CAS-BOT-BC36013  Lithocarpus densiflorus var. densiflorus Peter Rubtzoff 1953-5-17 1388 Sonoma South of Guerneville (Neeley Hill area) Comment
  RSA17705  Lithophragma heterophyllum Elmer I. Applegate 1934-3-25 8844 Sonoma Sausal Creek. Pine Flat Rd. Foothills of the Cayamaca Mtns. Comment
  UC1093862  Logfia gallica Herbert L. Mason 1947-5-4 13210 Sonoma near Kenwood; Hood Mountain Comment
  CAS-BOT-BC342494  Logfia gallica Barbara Keller 1990-4-30 2037 Sonoma On Coleman Valley Rd. 6 miles west of Occidental Comment
  CAS-BOT-BC342497  Logfia gallica G. DeNevers 1981-5-15 1192 Sonoma Pepperwood Ranch. Ridgetop W of Garrison House, beneath the high power electric lines Comment
  CAS-BOT-BC342499  Logfia gallica John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54005 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC283296  Lolium multiflorum Mary P. Wells 1987-9-7 895 Sonoma Spring Lake Park Comment
  UC176579  Lolium multiflorum C. F. Bruggemann 1914-7-8 Sonoma Santa Rosa Comment
  UCD66009  Lolium multiflorum James Holleman 1959-5-12 Sonoma 1 mile west of Duncan Mills. Comment
  CAS-BOT-BC269190  Lolium temulentum 1880-7-28 s.n. Sonoma Petaluma Comment
  UCD66664  Lolium temulentum Collector Unknown 1941-4-1 Sonoma Sebastopol Hwy. Comment
  SEINET12121702  Lomatium dasycarpum W. Knight, Knight, I.; Edwards, S. 1986-1 5371 Sonoma along trail to summit of Geyer Peak, access from Healdsburg-Geysers Rd 856 Comment
  UCD151087  Lomatium marginatum James A. Neilson Jr. 1974-6-1 2774 Sonoma Mayacmas Mountains, Geyser Rock, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 1127 Comment
  UCR255741  Lomatium repostum Greg de Nevers 1997-4-16 10942 Sonoma North Coast Range, Moon Mountain Road [NNW of Sonoma] 396 Comment
  RSA177898  Lomatium repostum R. F. Thorne 1965-4-20 34355 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  UC1076677  Lomatium utriculatum C. Ritchie Bell 1952-3-19 1247 Sonoma top of Larksur Rock Bodega; , Larkspur Rock Comment
  UCR265128  Lomatium utriculatum Ann Howald 2015-4-1 3327 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage 318 Comment
  CAS-BOT-BC240650  Lonicera hispidula Alice Eastwood 1915-6-5 4565 Sonoma Petrified Forest Comment
  CAS-BOT-BC200972  Lotus Peter Rubtzoff 1983-8-28 9681 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  CAS-BOT-BC294702  Lotus Peter Rubtzoff 1970-7-17 6291 Sonoma Five miles north of Sears Point. Comment
  CAS-BOT-BC540820  Lotus Peter Rubtzoff 1971-6-26 6575 Sonoma Willow Creek Marsh. Comment
  UCD106700  Lotus angustissimus Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-7-6 134 Sonoma Unit 35-B Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET4982902  Lotus formosissimus Unknown 1994-4-3 77 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; Hwy 1 Comment
  UC15582  Lotus formosissimus Harley P. Chandler 1900-5-25 674 Sonoma Bodega Comment
  HSC98263  Lotus humistratus S. N. Wiemeyer 1962-4-20 29 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  SEINET12165193  Lotus humistratus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -182 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  UC1057479  Lotus oblongifolius var. oblongifolius G. Thomas Robbins 1937-5-23 215 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch); Vine Hill Region Comment
  SEINET10687166 Image available Lotus purshianus A. Arthur Heller 1902-8-18 Heller 6051 Sonoma Santa Rosa. Comment
  POM18955  Lotus unifoliolatus A. A. Heller 1902-6-24 5754 Sonoma Near Burkes Sanitarium Comment
  UCR255053  Lotus wrangelianus Greg de Nevers 1992-5-2 10138 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 305 Comment
  RSA27249  Lotus wrangelianus Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan[s] Mills. Comment
  CAS-BOT-BC478122  Ludwigia Peter Rubtzoff 1986-8-31 9731 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  UCD66024  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 50 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UCD66031  Ludwigia hexapetala B. J. Grewell 2006-7-21 06- 22 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Gallo's Laguna Ranch, downstream of Guerneville Rd Bridge/gaging stn. East of Hwy 116, Sebastopol across channel from Laguna Wastewater Treatment Delta Pond discharge. 16 Comment
  CAS-BOT-BC251191  Ludwigia palustris Peter Rubtzoff 1956-9-15 2914 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC251194  Ludwigia palustris Peter Rubtzoff 1954-8-4 1656 Sonoma Guerneville Marsh. Comment
  POM312607  Ludwigia palustris var. pacifica H. L. Mason 1946-7-4 12886 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  POM83510  Ludwigia peploides subsp. peploides Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan s Mills Comment
  SEINET7067330 Image available Lupinus A. G. Vestal 1947-5-16 s.n. Sonoma About 8.2 miles East of Windsor on Mendocino Avenue [in Santa Rosa]. Coordinate datum: NAD27. UTM Zone 10, 524713mE, 4255867mN. Comment
  CAS-BOT-BC201287  Lupinus Charles Piper Smith 1947-6-19 47526 Sonoma Mark West Road near Petrified Forest Comment
  CAS-BOT-BC201289  Lupinus Milo S. Baker 1948-7-3 12059 Sonoma Millstation Rd near Post Box 39 Rt 1, .4 mi West of Gravestein [Gravenstein] Hiwy and 1.4 mi from Catholic Church on the Main St of Sebastopol Comment
  CAS-BOT-BC201295  Lupinus Charles Piper Smith 1946-4-26 46233 Sonoma Highway 1 at Coast Russian River Bridge Comment
  CAS-BOT-BC195975  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-27 48161 Sonoma Junction Melitta-Mark West-Petrified Forest roads - Petrified Forest, 0.7 miles south Comment
  CAS-BOT-BC195982  Lupinus albifrons var. albifrons Charles Piper Smith 1908-4-3 1392 Sonoma Forestville, 3 mi. west along Guerneville road Comment
  UCD151311  Lupinus albifrons var. collinus James A. Neilson Jr. 1974-4-30 2727 Sonoma Mayacmas Mountains. Geyser-Healdsburg Road, 1/2 mile north of Culver Baer Mine. (Elevation estimated by label-maker using topo map.) 853 Comment
  CAS-BOT-BC196153  Lupinus albifrons var. douglasii J. W. Congdon 1880-6-1 s.n. Sonoma Petaluma Comment
  UC865419  Lupinus arboreus Lewis S. Rose 1939-4-2 39052 Sonoma Duncan Mills, Russian River 30 Comment
  UC15934  Lupinus bicolor Harley P. Chandler 1900-5-25 671 Sonoma Bodega Comment
  RSA167470  Lupinus densiflorus var. densiflorus Joseph P. Tracy 1933-5-1 12129 Sonoma Along Mayacama Creek, below Knights Valley. Comment
  UC1482882  Lupinus formosus D. B. Dunn, Conrad and LeDoux 1973-6-9 20712 Sonoma on 116, 5.3 mi e Jct of Hwy 101 and Hwy 116 Comment
  POM299299  Lupinus formosus var. formosus H. C. Cantelow 1936-5-13 s.n. Sonoma 1/2 mile north of El Serano. Comment
  CAS-BOT-BC368084  Lupinus latifolius Greg de Nevers 1998-4-28 11210 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge 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
  SEINET12164395  Lupinus latifolius F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -084 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  UCD108851  Lupinus microcarpus var. microcarpus Freed W. Hoffman 1947-4-18 664 Sonoma roadside one mile north of Cloverdale. Comment
  JEPS65363  Lupinus nanus W. L. Jepson 1914-4-11 5801 Sonoma Sonoma Valley 35 Comment
  UCD108976  Lupinus nanus Mary M. Hektner 1976-5-10 250 Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD151181  Lupinus nanus James A. Neilson Jr. 1974-4-16 3114 Sonoma Mayacmas Mountains. Sulphur bank number 13. (Elevation estimated using Google Earth by label maker.) 487 Comment
  CAS-BOT-BC320459  Lupinus nanus subsp. nanus Peter Rubtzoff 1974-5-18 7411 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  SEINET10837773  Lupinus nanus subsp. nanus P. Rubtzoff 1974-5-18 Rubtzoff 7411 Sonoma Todd road 1.4 mi from hwy 116 and .6 mi from llano rd. Vernally wet, now Drying meadow. Comment
  SEINET10837860  Lupinus polyphyllus Joseph W. Congdon 1880-7-1 Congdon s.n. Sonoma Two rock road. Comment
  RSA339414  Lupinus sericatus Roger Raiche 1984-3-25 40074 Sonoma Kelly Road just west of its intersection with Rockpile Road 610 Comment
  UC909758  Lupinus succulentus Milo S. Baker Apr 1950 12159 Sonoma w of Mellita Comment
  RSA0036487  Lupinus variicolor Daisie Huang 2006-5-30 06053005 Sonoma Bodega Marine Laboratory. Costal bluff near building (waypt 30B). 1 Comment
  UC683337  Lupinus variicolor Mrs. H. P. Bracelin 1931-5-9 341 Sonoma beyond Dundee R.R. station and Molino nursery about one mi w Sebastopol Comment
  SEINET13198378 Image available Lupinus versicolor A. G. Vestal 1947-5-13 s.n. Sonoma Comment
  CAS-BOT-BC210025  Luzula Peter Rubtzoff 1958-5-17 3680 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
  UCD142103  Luzula comosa Gerry North 1993-4 11 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Across road from Godspeed trailhead pullout. Shaded roadcut. 228 Comment
  CAS-BOT-BC441403  Luzula macrantha L. R. Abrams 1918-4-27 6904 Sonoma Independence School near Healdsburg Comment
  RSA0018586  Lythrum Peter Rubtzoff 1970-10-24 6416 Sonoma At Presidio Blvd. and Barnard Avenue, Presidio. Comment
  CLARK-A1528-3216  Lythrum hyssopifolia John C. Roos 1938-6-19 Sonoma Novato Comment
  UCD166068  Madia Peter Rubtzoff; H. A. Froebe 1971-5-30 6457 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC166731  Madia Peter Rubtzoff 1964-5-31 s.n. Sonoma Along Russian River at Fitch Mtn. Grove, 2 miles east of Healdsburg. Comment
  UCD164542  Madia Peter Rubtzoff 1975-8-16 8324 Sonoma Bennett Mountain Lake. Comment
  UC523534  Madia elegans David D. Keck 1933-11-6 2646 Sonoma 1 mi n of Freestone; Occidental Comment
  UC525423  Madia elegans Edw. L. Greene 1888-8-30 Sonoma Mt. St. Helena Comment
  UC990649  Madia elegans James I. McMurphy 1909-8-10 716 Sonoma West Santa Rosa Comment
  CAS-BOT-BC344048  Madia elegans Luther Burbank; L. R. Abrams 1907-8-1 s.n. Sonoma Along roadside between Sebastopol & Santa Rosa Comment
  UCD132769  Madia elegans Frederica Bowcutt 1994-6-12 1869 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Pony Gate Trail above Adobe Canyon Road (road visible from trail.) Less than 1/8 mile SW of trail juncture with Pony Gate Gulch Creek. 326 Comment
  POM215201  Madia elegans subsp. densifolia D. D. Keck 1933-11-6 2646 Sonoma 1 mile north of Freestone on road to Occidental Comment
  RSA144401  Madia exigua Roxana S. Ferris, Laura Lorraine 1961-6-15 13564 Sonoma Harrison Grade, 1.3 mile from junction with Green Valley Road Comment
  CAS-BOT-BC344553  Madia exigua Catherine Best 1981-5-2 s.n. Sonoma Stoetz Lane about 4 miles north of Occidental Comment
  CAS-BOT-BC343468  Madia gracilis D. E. Breedlove 1983-5-4 58701 Sonoma Pepperwood Ranch W of Knights Valley Comment
  POM231097  Madia nutans Jens Clausen 1935-5-24 1077 Sonoma Adobe Canyon at Sonoma Creek, along base of first ravine above Kenwood Springs. Comment
  POM56169  Madia sativa A. A. Heller 1902-6-10 5683 Sonoma Santa Rosa Comment
  UC75904  Madia sativa Miss M. Alice King June 1897 Sonoma near Healdsburg Comment
  UC905681  Madia sativa H. M. Hall 1916-7-24 10250 Sonoma near Petaluma Comment
  CAS-BOT-BC345216  Madia sativa H. M. Hall 1931-5-28 13105 Sonoma Bodega Bay Comment
  CAS-BOT-BC345231  Madia sativa James I. McMurphy 1909-8-8 703 Sonoma Leddy, electric r.r. station between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC345263  Madia sativa Milo S. Baker 1932-8-27 6010 Sonoma M. S. Baker ranch, Adobe Canyon Comment
  RSA785885  Madia sativa Peter Rubtzoff 1974-6-22 7623 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC511536  Maianthemum racemosum subsp. amplexicaule Saichi Kawahara 1969-3-31 541 Sonoma 50 yards west of Jenner Comment
  POM169294  Maianthemum stellatum A. A. Heller, H. E. Brown 1902-4-15 5297 Sonoma Santa Rosa Creek Comment
  UCD158739  Malacothrix floccifera James A. Neilson Jr. 1973-7-10 2827 Sonoma Mayacmas Mountains. The Geysers. (Elevation estimated using Google Earth by label maker.) 441 Comment
  CAS-BOT-BC347362  Malacothrix floccifera A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero Comment
  RSA94349  Malus sylvestris Peter Rubtzoff 1951-11-24 851 Sonoma Pitkin Marsh, near Forestville. Dry, open area separating the western branch of the upper marsh from the eastern. Comment
  SBBG53030  Marah fabacea M. R. Benedict 1978-4-18 Sonoma Skaggs Spring Rd, above Warm Springs dam site Comment
  RSA784484  Marsilea vestita subsp. vestita Peter Rubtzoff 1964-7-7 5388 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC348221  Matricaria discoidea G. DeNevers 1981-6-8 1506 Sonoma Pepperwood Ranch. In Pippindale Garden Comment
  CAS-BOT-BC348311  Matricaria occidentalis Peter Rubtzoff 1974-5-19 7446 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads Comment
  CAS-BOT-BC348314  Matricaria occidentalis Peter Rubtzoff 1970-5-16 6227 Sonoma 5 mi. north of Sears Point 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
  CAS-BOT-BC269512  Melica californica G. DeNevers 1981-5-20 1219 Sonoma Pepperwood Ranch. On roadcut along Mark West Springs Rd. SW of Mark West Lodge, just before the road widens Comment
  UCD87217  Melica californica R. Tofsrud 1947-6-17 195 Sonoma Old Santa Rosa cemetery. Comment
  SEINET10599364  Melica californica A. Arthur Heller 1902-4-23 Heller 5351 Sonoma Near Sonoma. Comment
  UCD87221  Melica californica R. Tofsrud 1947-7-2 175 Sonoma 6 Comment
  JEPS128355  Melica geyeri Roger Raiche 2000-4-23 050 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET197158 Image available Melica geyeri W. S. Boyle 1942-4-26 1075 Sonoma Between Petrified Forest and Mark West Comment
  UC771219  Melica geyeri W. S. Boyle 1942-4-26 1075 Sonoma between Petrified Forest and Mark West Comment
  UCD87360  Melica geyeri M. Wiesendanger 1927-5-5 732 Sonoma Kenwood Springs. Comment
  SBBG29007  Melica geyeri B. Crampton 1967-5-15 Sonoma Sonoma-Napa County line; 4 mi NW of Calistoga, St Hwy 128 Comment
  UCD33240  Melica geyeri Beecher Crampton 1967-5-15 7936 Sonoma Sonoma County, Napa County line, 4 miles N.W. of Calistoga on Hwy. 128. Comment
  UCD87517  Melica harfordii P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis Road. Comment
  UCD87521  Melica harfordii P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis Road. Comment
  UCD151086  Melica subulata James A. Neilson Jr. 1973-6-3 2983 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC262451  Melica subulata K. Wagnon 1939-4-22 173 Sonoma Along lane running near Jonive Creek on Wagnon Ranch, five miles west of Sebastopol Comment
  CAS-BOT-BC262550  Melica torreyana John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54695 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC262555  Melica torreyana G. DeNevers 1981-4-27 883 Sonoma Pepperwood Ranch. On the ridge NW of the Garrison House Comment
  POM204779  Melica torreyana A. A. Heller 1902-3-27 5160 Sonoma Western base of Mt. Hood. Comment
  UC1146646  Melica torreyana Freed W. Hoffman 1941-6-1 2187 Sonoma Oregon Canyon; North Coast Ranges 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
  UCD89212  Melica torreyana M. Wiesendanger 1927-5-5 734 Sonoma Kenwood Springs. Comment
  SACT001559  Melica torreyana M. Wiesendanger 1927-5-5 Sonoma Comment
  CAS-BOT-BC268072  Melilotus indicus Peter Rubtzoff 1971-8-20 6640 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC376365  Mentha Greg de Nevers 1992-6-26 10184 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Creek. 91 Comment
  CAS-BOT-BC164066  Mentha Peter Rubtzoff 1958-5-10 s.n. Sonoma Laguna de Santa Rosa, E of Cunningham, near Llano Road crossing Comment
  CAS-BOT-BC164082  Mentha Peter Rubtzoff 1959-8-2 4210 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC173615  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi. east of Healdsburg. Russian River Comment
  RSA785671  Mentha Peter Rubtzoff 1960-9-17 4571 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  RSA785673  Mentha Peter Rubtzoff 1960-9-17 4559 Sonoma Laguna de Santa Rosa, E of Graton (between Occidental and Guerneville Road). Comment
  RSA785674  Mentha Peter Rubtzoff 1960-9-14 4553 Sonoma Laguna de Santa Rosa area NE of Graton (near Laguna Road). Comment
  JEPS117114  Mentha aquatica Peter Warner 2010-7-29 173 Sonoma Lower Pitkin Marsh, along primary drainage channel, near NE property boundary. Comment
  CAS-BOT-BC166976  Mentha spicata Peter Rubtzoff 1955-8-28 2114 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC173571  Mentha spicata Peter Rubtzoff 1961-8-24 4696 Sonoma Fife Creek Marsh. Comment
  RSA784402  Mentha spicata Peter Rubtzoff 1975-8-28 8360 Sonoma Kenwood Marsh. Comment
  RSA784549  Mentha spicata Peter Rubtzoff 1961-8-24 4696 Sonoma Fife Creek Marsh. Bed of Fife Creek. Comment
  CDA31024  Mentzelia laevicaulis D. G. Kelch, Troy McGregor 2010-8-22 10 .361 Sonoma Geyser Peak Rd along Sulfur Creek nr historic bridge. Comment
  UC26555  Mertensia F. T. Bioletti 1893-4-24 Sonoma Los Guilucos Valley Comment
  CAS-BOT-BC428952  Micranthes californica F. Almeda; G. DeNevers 1981-3-30 4873 Sonoma Pepperwood Ranch. Along road to the Garrison Cabin at the SW sector of the ranch. Comment
  UCD102803  Micranthes californica Frederica Bowcutt 1996-3-24 2092 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 1/2 air miles W of Mount Saint John, along Brushy Peaks Trail just S of Malm Fork of Sonoma Creek. 426 Comment
  CAS-BOT-BC348623  Micropus californicus var. californicus Alice Eastwood 1921-5-8 10443 Sonoma Petaluma Comment
  CAS-BOT-BC183623  Microseris Peter Rubtzoff; Nancy Harrison 1974-5-26 7471 Sonoma Vernal pool on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  CAS-BOT-BC349106  Microseris douglasii subsp. tenella Alice Eastwood 1921-5-8 10446 Sonoma Petaluma Comment
  CAS-BOT-BC322704  Microseris laciniata Carl B. Wolf 1927-9-2 1346 Sonoma 2 miles south Anchor Cove Comment
  CAS-BOT-BC322707  Microseris laciniata John Thomas Howell 1937-6-6 13013 Sonoma Sebastapol Comment
  CAS-BOT-BC322709  Microseris laciniata John Thomas Howell 1947-6-5 23242 Sonoma Near Wright School 4 miles west of Santa Rosa Comment
  RSA784490  Microseris laciniata subsp. laciniata Peter Rubtzoff, Nancy Harrison, Doug Jones 1974-6-8 7576 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UC50057  Microseris laciniata subsp. laciniata F. T. Bioletti 1892-7-8 Sonoma South Los Guilicos Comment
  RSA47833  Microseris paludosa L. Beane, Lois E. James 1949-5-16 1941 Sonoma About 3 miles S of Healdsburg Comment
  CHSC34598  Microsteris gracilis Jeffrey D. Prouty 1979-4-11 220 Sonoma Ca. 7 mi n of Santa Rosa.Ca. 100 yds w of Mark West Springs Rd., ca. 300 yds n of jctn. with Michelle Way. 164 Comment
  UCD118900  Microsteris gracilis Botany 102 Students 1993-4-24 92 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail. 411 Comment
  CAS-BOT-BC311866  Mimulus Peter Rubtzoff 1969-6-14 6073 Sonoma Vernal pool, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  CAS-BOT-BC311870  Mimulus Peter Rubtzoff 1955-7-9 1928 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC311875  Mimulus Peter Rubtzoff 1954-7-29 1606 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC320521  Mimulus Peter Rubtzoff 1970-6-21 6265 Sonoma Along sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  CAS-BOT-BC320529  Mimulus Peter Rubtzoff 1958-7-5 3748 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC320555  Mimulus Peter Rubtzoff 1964-5-20 5321 Sonoma Bodega Bay Marsh. Comment
  RSA0025392  Mimulus Peter Rubtzoff 1972-5-25 6764 Sonoma Laguna, Chileno Valley. Comment
  RSA0025397  Mimulus Peter Rubtzoff 1955-7-9 1933 Sonoma Forestville Marsh. Comment
  UCD122218  Mimulus aurantiacus Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 66 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Comment
  UCD158714  Mimulus cardinalis Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 1.5 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. Elevation estimated by label maker. 822 Comment
  JEPS86851  Mimulus douglasii David M. Thompson 1989-4-4 995 Sonoma 1.1 mi n Porter Creek Road (along Franz Valley Road) 300 Comment
  UC1041002  Mimulus grandis J. W. Congdon 1880-3 Sonoma Petaluma Comment
  UCD122711  Mimulus guttatus Terri Williamson 1990-5-20 58 Sonoma Bayflat Rd., Bodega Bay. 3 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
  POM5061  Mimulus guttatus A. A. Heller, H. E. Brown 1902-4-23 5349 Sonoma Near Sonoma. Comment
  RSA53848  Mimulus guttatus Milo S. Baker 1942-5-7 10196 Sonoma Ca. 1.5 miles west of summit on Spring Mt. Road. Comment
  UC1051635  Mimulus inodorus Peter Kamb 1950-6-16 1864 Sonoma 1 mi n Sousa Corners (nw of Sebastopol); Pitkin Marsh Comment
  UCD160963  Mimulus layneae James A. Neilson Jr. 1975-7-8 3376 Sonoma Mayacmas Ridge. Near U.S. Geothermal 2, 1/2 mile south of Socrates Mine Road. (Elevation and coordinates estimated by label maker.) 914 Comment
  UCD40972  Mimulus nanus var. mephiticus Collector Unknown 1978-1 s.n. Sonoma 19 miles east of Fallon. (Fallon is in Marin County, but 19 mi E is Sonoma County). 30 Comment
Read comments
Mar 13 2006
  UC1239072  Mimulus pilosus Freed W. Hoffman 1946-8-17 790 Sonoma near Korbel; North Coast Ranges, Russian River Comment
  UC124362  Mimulus pilosus T. S. Brandegee July 1887 Sonoma Healdsburg Comment
  UC103709  Mimulus tricolor Katharine Brandegee 1905-6-8 Sonoma near Santa Rosa (along the Electric line) Comment
  UC852247  Minuartia californica Keith Wagnon 1940-3-31 238 Sonoma 5 mi w Sebastopol; Gold Ridge Subdivision Comment
  UC727745  Minuartia californica Milo S. Baker 1946-4-2 11301 Sonoma rock outcrop just s Agua Caliente (along Sonoma-Santa Rosa Hwy, e side) Comment
  RSA177976  Minuartia douglasii R. F. Thorne 1965-4-19 34307 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. Comment
  UC679520  Mitella caulescens Milo S. Baker 1942-5-23 10199 Sonoma Brookside Garden Comment
  SEINET12326118  Monardella neglecta W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4756 Sonoma The Cedars, near Cazadero on Twitchell Ranch 229 Comment
  JEPS62415  Monardella purpurea R. F. Hoover 1938-6-14 3609 Sonoma 3 mi west Graton on road to Occidental Comment
  JEPS87251  Monardella purpurea Jack and Betty Guggolz 1992-3-12 1242 Sonoma w side Rincon Ridge; Santa Rosa 213 Comment
  CAS-BOT-BC220386  Monardella purpurea Milo S. Baker 1947-5-30 11781 Sonoma Harrison Grade, ca 2 mi. N.E. of Occidental Comment
  UC931964  Monardella undulata Verne Grant, Alva Grant 1948-7-7 8597 Sonoma 2.6 mi e Bodega (on highway 12) Comment
  UCD125297  Monardella villosa Mary M. Hektner; Cathy Hendel 1974-6-28 84 Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UC76203  Monardella villosa subsp. globosa Miss M. Alice King June 1897 Sonoma near Healdsburg Comment
  CHSC68008  Monardella villosa subsp. villosa James Jokerst 1985-5-29 2387 Sonoma Near Cobb Mountain. 1126 Comment
  UC1299606  Monardella villosa subsp. villosa Freed W. Hoffman 1946-9-26 577 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC314161  Monardella villosa subsp. villosa G. DeNevers 1981-6-6 1475 Sonoma Pepperwood Ranch. Top of Telegraph Hill. Comment
  UCD151196  Monardella viridis James A. Neilson Jr. 1974-7-10 2810 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 1/2 miles west of Whispering Pines, east Sonoma County. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  UCD125281  Monardella viridis Frederica Bowcutt 1994-6-24 1878 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.Trailhead for Lower Bald Mountain trail off of Stern Trail. 377 Comment
  JEPS43265  Montia fontana Alice King Apr. 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC444992  Montia fontana G. DeNevers 1981-4-1 659 Sonoma Pepperwood Ranch. 30 m S of Aluminum Pepperwood Gate. Comment
  SBBG128418  Morella californica L. Ahart, M. Anthony, J. Dittes, J. Guardino 2013-4-25 18601 Sonoma near the edge of a residential driveway, 0.7 mi E of Pacific Ocean, 0.8 mi W of Gualala River 111 Comment
  UCR244643  Myriophyllum hippuroides Peter Rubtzoff 1966-8-21 5797 Sonoma Atascadero Creek Marsh 29 Comment
  CAS-BOT-BC258916  Myriophyllum verticillatum Peter Rubtzoff 1955-8-13 2039 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  JEPS86817  Myrtus communis Jack and Betty Guggolz 1991-3-6 1101 Sonoma 7.25 mi from s side of Highway 128 (Ida Clayton Road); Ida Clayton Road 734 Comment
  RSA543177  Najas guadalupensis Peter G. Connors 1992-6-18 289 Sonoma Button Ranch (prospective Univ. Calif. Natural Reserve, pond #15 of Connor s numbering system). Between Walker Road and Roblar Road, 5 km north of Two Rock. 20 km from coast between Bodega Bay and Petaluma 122 Comment
  CAS-BOT-BC260076  Nassella lepida G. DeNevers 1981-5-23 1292 Sonoma Pepperwood Ranch, Lower Pepperwood entrance Comment
  CDA32559  Nassella pulchra T. C. Fuller 1960-6-14 4486 Sonoma James Black property, ca. 6 miles east of Cloverdale. 0 Comment
  CAS-BOT-BC60515  Nasturtium officinale Peter Rubtzoff 1951-6-9 158 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  UCR30586  Navarretia intertexta John C. Roos 1950-7-22 4876 Sonoma North Coast Range, 2 miles east of Duncan Mills 61 Comment
  UCD48317  Navarretia leucocephala subsp. bakeri Herbert L. Mason 1934-4-28 8094 Sonoma In fields; highway between Healdsburg and Santa Rosa, Sonoma County, California. Comment
  CAS-BOT-BC232688  Navarretia pubescens James McMurphy 1909-5-29 s.n. Sonoma Canyon near Geyserville Comment
  UC1299600  Navarretia squarrosa Freed W. Hoffman 1946-8-20 866 Sonoma western slope of Napa Range, Trinity Road, at quarry North Coast Ranges, Napa Range Comment
  UC750803  Navarretia squarrosa Charles B. Heiser Jr. 1946-8-17 1826 Sonoma near Duncan Mills (banks of Russian River); Russian River Comment
  UCD48701  Navarretia squarrosa Beecher Crampton 1957-7-11 4313 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD37162  Navarretia squarrosa Beecher Crampton 1957-7-22 4393 Sonoma Sonoma County, Sonoma Coast State Park, 11.7 miles south of Stewart's Point, along State Highway 1. Comment
  UCD48702  Navarretia squarrosa Frederica Bowcutt 1994-6-25 1915 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Grey Pine Trail about 1/2 way between Brushy Peak Trail and Meadow Trail. 530 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
  UCD39803  Navarretia tagetina Collector Unknown 1947-5-16 Sonoma 4.5 miles E. of Windsor. Comment
  JEPS70518  Navarretia viscidula F. T. Bioletti 1892-5-31 Sonoma Shellville Comment
  UC23886  Navarretia viscidula Harley P. Chandler 1900-5-25 673 Sonoma Bodega Comment
  UC67242  Nemophila heterophylla Milo S. Baker 1902-3-31 Sonoma Kenwood Comment
  POM65327  Nemophila heterophylla M. Alice King 1897-1 s.n. Sonoma Near Healdsburg. Comment
  UC726893  Nemophila heterophylla A. A. Heller 1940-5-10 15606 Sonoma several mi e Gualala River (on the Stewart Point--Skagg's Springs Road); e of Gualala River, Stewart Point--Skagg's Springs Road Comment
  POM179734  Nemophila menziesii var. atomaria A. A. Heller 1903-4-23 6600 Sonoma Fort Ross. Comment
  UCD170754  Nemophila menziesii var. atomaria C. Benefield 1997-5-12 31 Sonoma Bodega Bay, in front of University of California Marina Laboratory. 24 Comment
  UC65022  Nemophila parviflora M. L. Baker 1898-4-3 15 Sonoma betw Guerneville and Cazadero; betw Guerneville and Cazadero Comment
  JEPS13900  Nicotiana acuminata var. multiflora W. L. Jepson 1914-9-19 6191 Sonoma Agua Caliente; Sonoma Valley 25 Comment
  RSA788377  Nicotiana bigelovii Peter Rubtzoff 1959-9-19 4284 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  CAS-BOT-BC400122  Nuphar polysepala Peter Rubtzoff 1951-7-8 416 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC140452  Oemleria cerasiformis A. A. Heller; H. E. Brown 1902-3-12 5043 Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  POM140406  Oemleria cerasiformis A. A. Heller 1902-3-12 6916 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  UCD15529  Oenothera cheiranthifolia Gregory J. Lowenberg 1988-4-16 22 Sonoma 100 m E. of Horshoe Cove, Bodega Head. 12 Comment
  JEPS11665  Orobanche californica subsp. californica W. L. Jepson 1931-7-19 15950 Sonoma Just north of mouth of Salmon Creek. Comment
  JEPS67154  Orobanche californica subsp. grayana Peter Rubtzoff 1971-8-23 6648 Sonoma Laguna, Chileno Valley. Comment
  JEPS75583  Orobanche fasciculata Nancy Harrison 1976-5-17 Sonoma Trail back of theatre, Armstrong Woods Park. Comment
  CAS-BOT-BC500335  Orobanche uniflora subsp. occidentalis J. W. Congdon 1880-4-13 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC243696  Orobanche valida subsp. howellii Donald V. Hemphill 1963-9-21 s.n. Sonoma Head of Yellow Jacket Creek, Mt. St. Helena 1310 Comment
  RSA66918  Orthocarpus attenuatus E. K. Balls 1951-5-3 16405 Sonoma Ca. 1 mi. e. from Petrified Forest, road to Calistoga 610 Comment
  RSA40113  Orthocarpus faucibarbatus L. S. Rose 1948-5-1 48097 Sonoma Valley Ford. 14 Comment
  RSA73964  Orthocarpus faucibarbatus Milo S. Baker 1952-4-23 12407 Sonoma Western outskirts of Sonoma along 5th St. Comment
  RSA789045  Orthocarpus faucibarbatus Carrie A. Herd 1982-4-25 75 Sonoma Crane Creek Regional Park. Comment
  SEINET8733536 Image available Orthocarpus faucibarbatus Lewis S. Rose 1933-1 33158 Sonoma BODEGA BAY Comment
  UCD127786  Osmorhiza berteroi J. M. Tucker 1951-6-26 2138 Sonoma beside road from Oakville to Glen Ellen, near summit of the range. Comment
  JEPS76934  Oxalis oregana Robert M. Lloyd 1963-2-24 2047 Sonoma 1/2 mi n Occidental (abandoned picnic ground, on rd to Camp Meeks) 45 Comment
  SEINET5145410  Oxalis oregana Unknown 1994-4-3 71 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  UCD160871  Packera greenei James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3422 Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC227659  Panicum Peter Rubtzoff; Nancy Harrison 1977-8-26 9120 Sonoma On grounds of Apple Time apple products cannery on the east side of former Perry Marsh, near Molino. Comment
  CAS-BOT-BC254466  Panicum Peter Rubtzoff 1987-9-27 9859 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville Comment
  UCD88406  Panicum acuminatum var. fasciculatum Beecher Crampton 1957-7-22 4386 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCSB432  Panicum acuminatum var. fasciculatum Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners Comment
  UCD32823  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 a Sonoma N.E. Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). Comment
  CAS-BOT-BC253773  Panicum capillare Peter Rubtzoff 1971-10-11 6719 Sonoma Russian River, Forest Hills, 5.5 miles E of Guerneville Comment
  CAS-BOT-BC253824  Panicum dichotomiflorum Greg de Nevers 1996-9-2 10872 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road, at base of Al Cuneo's driveway 487 Comment
  UC1146647  Panicum miliaceum subsp. miliaceum Freed W. Hoffman 1942-8-26 2272 Sonoma near Guerneville (Herr Ranch); North Coast Ranges, Herr Ranch Comment
  SEINET3277114 Image available Panicum thermale Leo Koch 1940-4-22 825 Sonoma Slopes around Sulfur Creek Geysers, east of Cloverdale, Inner North Coast Ranges. Comment
  JEPS30838  Parapholis incurva Rimo Bacigalupi and L. R. Heckard 1962-6-19 8594 Sonoma just above beach line on Bodega Harbor side Bodega Head (opposite spit of Doran Beach); Bodega Harbor side of Bodega Head, opposite Doran Beach Comment
  UCD88621  Parapholis incurva Beecher Crampton 1957-7-11 4316 Sonoma western edge of Bodega Harbor. About 2 miles, by road, west of the town of Bodega Bay. Comment
  CAS-BOT-BC154982  Paspalum Peter Rubtzoff 1973-9-9 7307 Sonoma Kenwood Marsh. Comment
  CDA19021  Paspalum dilatatum P. Lane 2000-11-3 PDR 116684 Sonoma Along Sequoia Ridge, 3790 Harrison Grade Rd., Sebastopol. 0 Comment
  CHSC25106  Pedicularis densiflora Rodney W. Wallstrum 1970-3-3 12 Sonoma Located on N. E. side of Santa Rosa off Nielson Rd. Behind the community hospital 200 yds. on high ground. 243 Comment
  UC399517  Pellaea andromedifolia Michener and Bioletti March 1893 Sonoma Hood's Peak Comment
  UCD159765  Pellaea mucronata James A. Neilson Jr. 1975-1-24 3130 Sonoma Mayacmas Mountains; Alder Creek drainage; Dominichelli Ranch. (Elevation and coordinates estimated by label maker.) 731 Comment
  RSA727241  Penstemon heterophyllus subsp. purdyi James L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 miles south of Trinity Road and about 5 miles northeast of CA hwy 12, about 13 airline miles southeast of Santa Rosa. 640 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
  CAS-BOT-BC443993  Penstemon heterophyllus var. purdyi James L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 mile south of Trinity Road and about 5 miles northeast of California Highway 12, about 13 airline miles southeast of Santa Rosa 640 Comment
  UC27595  Penstemon heterophyllus var. purdyi State Survey 1890-1 6540 Sonoma Russian River bed at Cloverdale; Russian River bed at Cloverdale Comment
  CAS-BOT-BC245713  Penstemon newberryi var. sonomensis Alice Eastwood 1915-6-6 4701 Sonoma Mt. St. Helena Comment
  JEPS7216  Penstemon newberryi var. sonomensis Willis L. Jepson 1893-9-23 21415 Sonoma Mt. St. Helena Napa River Basin, Mt. St. Helena 883 Comment
  HSC34930  Pentagramma triangularis Thomas W. Nelson, James Nelson 1975-3-25 1760 Sonoma Beside Hwy. 128, E of Geyserville at the Sonoma-Napa Co. line Comment
  SEINET12335254  Pentagramma triangularis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -272 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC413668  Persicaria amphibia Rimo Bacigalupi 1928-6-18 1882 Sonoma Beach at mouth of Salmon Creek 2 miles north of Bodega Bay Comment
  UCD161302  Persicaria amphibia James A Neilson Jr. 1976-5-10 3688 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-BC368035  Persicaria amphibia Greg de Nevers 1998-6-28 11296 Sonoma Lautenberg Ranch, Spencer Lane, Knights Valley. Comment
  CAS-BOT-BC413640  Persicaria amphibia Peter Rubtzoff 1971-6-25 6557 Sonoma Off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing Comment
  CAS-BOT-BC413645  Persicaria amphibia Peter Rubtzoff 1966-8-26 5811 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC413746  Persicaria hydropiper Peter Rubtzoff 1966-6-5 s.n. Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville rds. Comment
  CAS-BOT-BC418922  Persicaria hydropiperoides Peter Rubtzoff 1958-9-6 3968 Sonoma Laguna de Santa Rosa north of Cunningham (nr. Todd Road) Comment
  CAS-BOT-BC419272  Persicaria maculosa Peter Rubtzoff 1966-9-10 s.n. Sonoma Laguna de Santa Rosa ca. 1 mi. east-southeast of Sebastopol Comment
  CAS-BOT-BC419280  Persicaria maculosa M. S. Jussel 1931-5-3 s.n. Sonoma Healdsburg Comment
  UCD60448  Persicaria pensylvanica Brenda Grewell; Gene Cooley 2007-8-23 s.n. Sonoma Sebastopol, access from Cooper Road, west of the confluence of the Laguna de Santa Rosa with Gravenstein Creek on the DFG Laguna Wildlife Area's Lago Marsino parcel. Comment
  CAS-BOT-BC258009  Persicaria punctata Peter Rubtzoff 1973-8-20 7224 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC419430  Persicaria punctata John Thomas Howell 1932-9-18 10770 Sonoma Bed of slough draining Kenwood Marsh Comment
  UCR179375  Petrorhagia nanteuilii Botany 102 students 1993-5-8 285 Sonoma Sugarloaf Ridge, About 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 eair miles NW of Napa. In Adobe Canyon N of Sugarloaf Ridge. Bald Mountain Trail less than 1 air mile south of Red Mountain, N of Sonoma Creek 488 Comment
  HSC63599  Petrorhagia nanteuilii Richard K. Rabeler 1980-8-8 507 Sonoma Along trail to Big Austin Creek along N side of King Ridge Rd., .4 km. NW of Big Austin Creek Bridge, 7 km. N of jct. with Cazadero Hwy. Comment
  UCD98397  Petrorhagia nanteuilii Botany 102 Students 1993-5-8 224 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 Meadow Creek. 396 Comment
  OBI48665  Phacelia californica Joseph Andorfer Ewan 1935-5-12 9225 Sonoma 1.5 mi W of Bodega on Bodega Bay rd Comment
  SD88415  Phacelia californica Darley F. Howe 1972-4-30 Sonoma South of Bodega Bay. Comment
  UC923118  Phacelia californica Freed W. Hoffman 1950-6-1 3324 Sonoma Kruz Ranch North Coast Ranges (on coast) Comment
  UCD120296  Phacelia californica Frederica Bowcutt; Joy Keeney, Adam Greene 1994-5-21 1808 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 appx. 1/2 mi from trailhead. 396 Comment
  UCD120297  Phacelia californica P. G. Connors 1991-7-3 194 Sonoma Bodega Marine Laboratory, Bodega Head and Dunes. Comment
  UCR222352  Phacelia californica George K. Helmkamp, E. A. Helmkamp 2010-6-4 16232 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 9.8 rd. miles east of its junction with US-101, 4.5 air miles SW (250 deg. ) of Calistoga 280 Comment
  UCD158781  Phacelia corymbosa James A. Neilson Jr. 1974-6-1 2778 Sonoma Mayacmas Mountains, Geyser Rock, Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  JEPS128279  Phacelia distans Roger Raiche 2005-4-22 016 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1069266  Phacelia distans H. S. Yates 1934-4-21 3799 Sonoma near Bodega; Sebastopol Quadrangle Comment
  RSA426095  Phacelia distans Alice Eastwood 1933-5-7 18841 Sonoma Sonoma Comment
  UC923112  Phacelia distans Freed W. Hoffman June, 1950 3316 Sonoma about halfway to summit of Mount Ross (road from Kidd Creek to Pole Mountain); North Coast Ranges Comment
  JEPS35562  Phacelia egena L. R. Heckard 1964-6-11 1370 Sonoma along Trenton-Healdsburg road (Eastside Rd) 2 1/2 mi s junction with Windsor River Road Comment
  UC923116  Phacelia egena Freed W. Hoffman 1950-5-24 3322 Sonoma East Austin Creek North Coast Ranges, Rocky Mountain Comment
  RSA0023082  Phalaris Peter Rubtzoff, Nancy Harrison, Ruth Hass, Charles Quibell 1974-8-31 7839 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC258847  Phalaris angusta Peter Rubtzoff 1962-6-19 4921 Sonoma Sonoma County Marshes. Occidental Marsh Comment
  UC1146585  Phalaris aquatica Freed W. Hoffman 1943-6-1 2218 Sonoma near Guerneville (Lone Mountain Farm); North Coast Ranges, Lone Mountain Farm Comment
  CAS-BOT-BC265911  Phalaris lemmonii Peter Rubtzoff 1960-5-15 4339 Sonoma Fife Creek Marsh, Sonoma County Marshes Comment
  CAS-BOT-BC265914  Phalaris lemmonii Walter Knight; Irja Knight; J. T. Howell 1987-5-27 6274 Sonoma Todd Road Preserve 24 Comment
  UCD89016  Phalaris lemmonii R. Tofsrud 1941-4-1 125 Sonoma Near Santa Rosa. Comment
  CAS-BOT-BC265917  Phalaris lemmonii John Thomas Howell 1947-6-5 23243 Sonoma Near Wright School 4 mi. W of Santa Rosa Comment
  UC50459  Phalaris paradoxa Mr. Leckenby June 1896 Sonoma Petaluma Comment
  CAS-BOT-BC383036  Phalaris paradoxa Greg de Nevers 1998-6-28 11295 Sonoma Lautenberg Ranch, Spencer Lane, Knights Valley. Comment
  CAS-BOT-BC253561  Phleum alpinum David D. Keck; J. Clausen 1935-6-15 3377 Sonoma 5 mi. S. of Jenner Comment
  UC1132445  Phleum alpinum H. S. Yates 1936-5-17 5626 Sonoma 1 1/2 mi e Bodega Port; Duncan Mills Quad. Comment
  JEPS69993  Phlox speciosa subsp. occidentalis Milo S. Baker 1928-3-24 2718 c Sonoma 5 mi w Healdsburg (on Jensen ranch) Comment
  SEINET10323396  Phoradendron bolleanum M. J. Williams, W. Roderick 1978-7-18 78- 228 -3 Sonoma Near Occidental. Comment
  CDA11976  Phoradendron villosum G. F. Hrusa, T. D. Wilfred 1995-12-3 12481 Sonoma North Coast Biodiversity Arena; Foote Ranch Property at NW base of Mt. St. Helena. Approx. 1/2 distance to summit along Ida Clayton Rd. Comment
  CAS-BOT-BC140492  Physocarpus Alice Eastwood 1915-6-5 4579 Sonoma Petrified Forest Comment
  RSA534576  Physocarpus capitatus Peter Rubtzoff 1957-4-28 3287 Sonoma Lower Salmon Creek marsh. Thicket on hillslope at the edge of the marsh. Comment
  CAS-BOT-BC202279  Pickeringia montana var. montana James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  UCR279635  Picris echioides Peter Rubtzoff 1966-8-16 5783 Sonoma Laguna de Santa Rosa, northeast of Graton, c. 0.5 mile north of Guerneville [Rd.] 26 Comment
  CAS-BOT-BC173673  Picris echioides Peter Rubtzoff 1969-8-26 6152 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. 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
  CAS-BOT-BC78334  Pinus attenuata Elsa G. Ruckert 1960-3-12 19 Sonoma 1/2 mile from junction of Highway 12 on [Triniti] Trinity Road 335 Comment
  SEINET5055374  Pinus muricata Unknown 1983-7-7 E- 3 Sonoma Vicinity Salt Point, State Hwy 1 Comment
  SEINET3874482 Image available Pinus radiata Ralph R. Wilson 1939-7-24 437 Sonoma Near Valley Ford.; 0 Comment
  UC496428  Piperia candida Merle Randall 1930-6-7 Sonoma Cazadero Redwood Forest Comment
  UCSC008263  Piperia elegans Randall Morgan 1989-1-1 1322 -P Sonoma Malm Flat Trail, Sugarloaf Ridge State Park Comment
  JEPS128338  Piperia elongata Roger Raiche 2010-7-10 033 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC72232  Piperia transversa Milo S. Baker 1904-6-20 Sonoma near Maple Glen Comment
  CAS-BOT-BC154157  Plagiobothrys Peter Rubtzoff 1972-5-14 6741 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC166780  Plagiobothrys Peter Rubtzoff 1969-5-3 6013 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC154142  Plagiobothrys Peter Rubtzoff 1972-5-25 6771 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC166948  Plagiobothrys Peter Rubtzoff 1969-6-15 6094 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  JEPS117078  Plagiobothrys Peter Warner 2010-5-6 141 Sonoma Annadel State Park, in upland vernal pool ~250 m N of Canyon Trail, ~220 m W of Spring Creek, just S of old rock wall Comment
  RSA788370  Plagiobothrys bracteatus Peter Rubtzoff, H. A. Froebe 1971-5-30 6488 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Rd. Comment
  UCD33098  Plagiobothrys bracteatus Beecher Crampton 1966-5-10 7729 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  UCR105442  Plagiobothrys bracteatus Peter Rubtzoff 1959-4-18 4028 Sonoma Laguna de Santa Rosa, NE of Graton, c. 0.5 mi north of Guerneville Rd. crossing 21 Comment
  UCD33795  Plagiobothrys collinus var. californicus Beecher Crampton 1973-5-5 8927 Sonoma Sonoma County, Sonoma Coast State Park at Carmet. Comment
  POM118682  Plagiobothrys nothofulvus Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UCD35300  Plagiobothrys nothofulvus Beecher Crampton 1955-4-5 2414 Sonoma 2 miles southwest of Windsor. Comment
  JEPS80989  Plagiobothrys reticulatus Edward Lee with William Setchell 1936-6-8 2225 Sonoma near entrance of disturbed redwood forest; Bohemian Grove Comment
  RSA0062817  Plagiobothrys reticulatus Greg de Nevers 1989-04 9070 Sonoma Pepperwood Ranch, 3450 Franz Valley Road. By Murrys Gate. 100 Comment
  UCR255045  Plagiobothrys reticulatus var. reticulatus Greg de Nevers 1989-1 9070 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  POM226100  Plagiobothrys stipitatus J. T. Howell 1933-4-1 10922 Sonoma Petaluma Comment
  RSA8527  Plagiobothrys stipitatus J. T. Howell 1933-4-1 10922 Sonoma Petaluma Comment
  POM126230  Plagiobothrys stipitatus Michener, Bioletti 1892-5-1 s.n. Sonoma Shellville. Comment
  RSA0083877  Plagiobothrys stipitatus var. micranthus Peter Rubtzoff 1970-5-16 6230 Sonoma 5 miles north of Sears Point Comment
  RSA784982  Plagiobothrys undulatus Peter Rubtzoff 1969-5-24 6062 Sonoma 6.5 miles NE of Penngrove, on Lichan Road. 427 Comment
  CAS-BOT-BC290692  Plantago Peter Rubtzoff 1971-7-3 6586 Sonoma Marsh in dunes near (south of) U.C. Bodega Marine Laboratory dormitory. Comment
  UC730020  Plantago erecta Leo F. Koch 1940-4-24 847 Sonoma just n Warfield Station Comment
  UC1125647  Plantago maritima var. californica H. S. Yates 1934-4-21 3808 Sonoma near Bodega Port; Duncan Mills Quad. 15 Comment
  RSA94009  Platanthera leucostachys Peter Rubtzoff 1951-5-28 84 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CHSC60118  Platystemon californicus E. L. Knight 1988-4-1 5 Sonoma Ca 0.25 m ene of southernmost point of Bodega Head and 100 ft n of Pacific Ocean. 15 Comment
  SD88404  Platystemon californicus Darley F. Howe 1972-5-1 Sonoma Duncan Point Comment
  OBI22106  Pleuropogon californicus Lewis S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  UCD90156  Pleuropogon californicus G. F. Hrusa; A. Buckman, R. Gross 1995-4-1 12032 Sonoma Lagunda de Santa Rosa. Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. 75 Comment
  CAS-BOT-BC368081  Pleuropogon californicus Greg de Nevers 1998-4-28 11207 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge Comment
  CDA32629  Pleuropogon californicus J. Sallee 1971-4-28 Sonoma Railroad tracks, 8th Street East, Sonoma 0 Comment
  CAS-BOT-BC260968  Pleuropogon californicus var. californicus Thomas W. Nelson; Jane P. Nelson 1980-5-3 5128 Sonoma Along Roberts Road ca 100 m. past bridge over Copeland Creek, east of Rhonert Park 60 Comment
  UCD90189  Pleuropogon californicus var. californicus R. Tofsrud 1947-4-6 s.n. Sonoma Santa Rosa, off Hoen Avenue. Larry King's place. Comment
  CHSC66975  Pleuropogon davyi James D. Jokerst; Lorie May 1993-5-13 3979 Sonoma Sonoma Air Center. Comment
  UCD92205  Poa Collector Unknown 1941-4-1 381 Sonoma field east of old S. R. Cemetary. Comment
  CAS-BOT-BC255603  Poa annua Peter Rubtzoff 1960-5-20 4399 Sonoma Laguna de Santa Rosa E of Graton, between Occidental and Guerneville roads Comment
  UCD90681  Poa bulbosa G. F. Hrusa; R. Gross 1995-4-1 12034 Sonoma Foote Ranch at NE corner of Hwy. 128 and Ida Clayton Rd., Knights Valley. 150 Comment
  CAS-BOT-BC255058  Poa compressa Peter H. Raven 1950-4-23 1884 Sonoma Sobre Vista 152 Comment
  UC729987  Poa howellii Leo F. Koch 1940-4-22 829 Sonoma roadside near Little Sulfur Creek; Sulfur Spring Canyon Comment
  UCD90529  Poa kelloggii P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  SEINET10602215  Poa nevadensis A. Arthur Heller 1902-4-9 Heller 5245 Sonoma In a railroad cut 3 miles South of Healdsburg. Comment
  CHSC20580  Poa pratensis Carol C. Getzinger 1964-5-9 80 Sonoma .5 miles north of Marin County line on highway 37. Roadside close to field. 30 Comment
  SEINET6858779 Image available Poa scabrella A. G. Vestal, Wanda P. Vestal 1962-1 s.n. Sonoma 1 mile east of Occidental. Comment
  UCD15864  Poa secunda Gerry North 1993-3 34 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. At lower camping area. 50m East of foot bridge. 365 Comment
  CAS-BOT-BC243245  Poa secunda subsp. secunda A. A. Heller 1902-4-9 5245 Sonoma In railroad cut 3 miles S of Healdsburg Comment
  CAS-BOT-BC244189  Poa trivialis Peter Rubtzoff 1954-6-6 1470 Sonoma Guerneville Marsh Comment
  RSA227230  Poa trivialis Peter Rubtzoff 1960-6-8 4466 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC361403  Poaceae Greg de Nevers 1994-3-18 10523 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. By Weimar 457 Comment
  JEPS43011  Polygala californica Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  JEPS43013  Polygala californica Elizabeth Ferguson 236 Sonoma between Guerneville and Monte Rio; Russian River Comment
  POM138562  Polygala californica Milo S. Baker 1898-5-8 601 Sonoma Glen Ellen Comment
  CAS-BOT-BC157669  Polygonaceae Peter Rubtzoff 1964-5-20 5319 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC110538  Polygonum Peter Rubtzoff 1986-9-28 9751 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC414112  Polygonum aviculare subsp. aviculare Alice Eastwood 1921-5-8 10476 Sonoma Petaluma Comment
  CAS-BOT-BC414317  Polygonum aviculare subsp. neglectum Peter Rubtzoff 1959-6-20 4161 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC109164  Polygonum bolanderi F. G. Krauss 1893-10-8 s.n. Sonoma K Ranch. Comment
  CAS-BOT-BC109167  Polygonum bolanderi G. L. Stebbins 1966-7-22 6480 Sonoma Mountain Home Ranch, 3.5 miles west of Calistoga. 274 Comment
  RSA94326  Polygonum hydropiperoides Peter Rubtzoff 1951-9-2 711 Sonoma N of the Lower marsh, in the creek Comment
  RSA234570  Polygonum punctatum Peter Rubtzoff 1955-8-28 2106 Sonoma Forestville Marsh Comment
  CAS-BOT-BC72112  Polypodium scouleri John Thomas Howell 1930-7-27 5393 Sonoma 1 mile north of Fort Ross Comment
  CAS-BOT-BC320497  Polypogon Peter Rubtzoff 1973-9-4 7294 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC320506  Polypogon Peter Rubtzoff 1973-9-8 7304 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC331490  Polypogon Peter Rubtzoff 1973-9-8 7303 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCR254897  Polypogon Peter Rubtzoff 1968-9-21 5981 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  UC50626  Polypogon interruptus J. Burtt Davy 1896-7-24 Sonoma along the Russian River below Guerneville; along the Russian River Comment
  CAS-BOT-BC233221  Polypogon maritimus Greg de Nevers 1992-6-26 10209 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CAS-BOT-BC233224  Polypogon maritimus Peter Rubtzoff 1969-11-2 6205 Sonoma Russian River bottom at Forest Hills, 5.5 miles E of Guerneville Comment
  CAS-BOT-BC233227  Polypogon maritimus Peter Rubtzoff 1962-9-16 5084 Sonoma Russian River bottom, Vacation Beach, 2 miles below Guerneville Comment
  RSA262195  Polypogon maritimus Peter Rubtzoff 1968-6-20 5895 Sonoma 6.5 mi. northeast of Penngrove on Lichau Road. 427 Comment
  CAS-BOT-BC237403  Polypogon monspeliensis Peter Rubtzoff 1951-8-19 642 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh Comment
  UC65192  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Sonoma Comment
  UC963915  Polypogon monspeliensis Milo S. Baker 1946-10 11704 Sonoma less than 1 mi n junction of Sears Point Cutoff and Black Point Hwy (near Bay Marsh); n of junction of Sears Point Cutoff and Black Point Hwy Comment
  RSA93467  Polypogon monspeliensis Milo S. Baker 12390 Sonoma Near creek west of Petrified Forest at Shale Quarry. Comment
  CAS-BOT-BC72171  Polystichum californicum Marcus E. Jones 1931-7-5 29162 Sonoma The Geysers Comment
  CDA6117  Polystichum californicum D. G. Kelch 2007-5-13 7 .297 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  UC479338  Polystichum californicum Marcus E. Jones, A. M. 1931-7-5 29162 Sonoma The Geysers Comment
  CAS-BOT-BC72168  Polystichum californicum Walter Knight; Irja Knight; Dr. Stephen W. Edwards 1986-8-17 5509 Sonoma 2.75 mi from end of Mill Creek Road Comment
  CAS-BOT-BC257354  Populus Peter Rubtzoff 1980-5-26 9447 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC102352  Populus alba Greg de Nevers 1994-4-11 10520 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC102672  Populus fremontii Mary P. Wells 1987-6-30 898 Sonoma Brush Creek dike between Mission Blvd. and Brush Creek Road, Santa Rosa Comment
  RSA800144  Populus fremontii subsp. fremontii Peter Rubtzoff 1973-10-10 7736 Sonoma Salmon Creek, 0.25 mi south of Freestone along creek canyon. 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
  UCD165871  Potamogeton crispus Peter Rubtzoff 1970-10-3 6407 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC274040  Potamogeton diversifolius Peter Rubtzoff 1964-7-14 5401 Sonoma Bennet Mountain Lake. Comment
  CAS-BOT-BC258004  Potamogeton foliosus Peter Rubtzoff 1970-10-3 6409 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC272847  Potamogeton nodosus Peter Rubtzoff 1970-8-18 6312 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC272852  Potamogeton nodosus Peter Rubtzoff 1964-7-14 5397 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC454022  Potamogeton pectinatus Peter Rubtzoff 1955-9-9 2123 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC141947  Potentilla anserina subsp. pacifica Peter Rubtzoff 1961-5-6 4675 Sonoma Americano Creek 1/2 mi. east of Valley Ford - Sonoma County Marshes Comment
  CAS-BOT-BC141949  Potentilla anserina subsp. pacifica Peter Rubtzoff 1961-5-6 4675 Sonoma Americano Creek 1/2 mi. east of Valley Ford - Sonoma County Marshes Comment
  CAS-BOT-BC141952  Potentilla anserina subsp. pacifica Peter Rubtzoff 1954-8-9 1659 Sonoma Bodega Head Marsh - Sonoma County Marshes Comment
  RSA0005687  Potentilla hickmanii Milo S. Baker 1947-6-26 11831 Sonoma Cunningham Marsh, ca 1 mile SW of Cunningham Sta. (air line) Comment
  CAS-BOT-BC141650  Potentilla uliginosa John Thomas Howell 1946-8-17 22861 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC516398  Prosartes hookeri Volney Rattan 1877-6-25 s.n. Sonoma Near Cloverdale Comment
  UCD125268  Prunella vulgaris Beecher Crampton 1955-6-17 2934 Sonoma 0.5 mile south of Guerneville. Comment
  RSA135471  Prunella vulgaris var. lanceolata Volney Rattan 1877-6-16 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC158589  Prunus Peter Rubtzoff 1987-3-15 9757 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Off Summerhome Park Road 0.2 miles west of Forest Hills Road Comment
  CAS-BOT-BC154616  Prunus subcordata A. A. Heller; H. E. Brown 1902-4-4 5215 Sonoma Hills East of Santa Rosa Comment
  CAS-BOT-BC159453  Prunus virginiana var. demissa G. DeNevers 1981-5-7 1012 Sonoma Between the two driveways at Leslie Road and Mark West Springs Road, Pepperwood Ranch Comment
  UCD160855  Pseudognaphalium californicum James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3282 Sonoma Mayacmas Mountains, south of 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-BC357168  Pseudognaphalium luteoalbum G. DeNevers 1981-4-25 861 Sonoma Pepperwood Ranch. Roadside at Mark West Creek and Leslie Creek Comment
  CAS-BOT-BC357410  Pseudognaphalium microcephalum Robert M. King 1980-7-8 8415 Sonoma 5 miles generally southwest of Santa Rosa 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
  SEINET11738932  Pseudotsuga menziesii I. Knight, Knight, W. 1981-1 3980 Sonoma 6.2 mi up Cavedale Road from jct of state route #12 Comment
  CAS-BOT-BC176131  Psilocarphus Peter Rubtzoff 1971-6-25 6553 Sonoma Intermittent lake off wst side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA94031  Psilocarphus brevissimus M. S. Baker 1928-5-26 3027 Sonoma Near summit of Bennet Val. Road. Comment
  CAS-BOT-BC361729  Psilocarphus brevissimus var. brevissimus J. W. Congdon 1880-5-24 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC361862  Psilocarphus oregonus Alice Eastwood 1921-4-24 10330 Sonoma Santa Rosa Comment
  SEINET7067334  Psilocarphus tenellus var. tenellus A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles East of Windsor on Faught Road. Coordinate datum: NAD27. UTM Zone 10, 521654mE, 4261292mN. Comment
  SEINET8722024 Image available Psoralea macrostachya Unknown 1892-1 51 a Sonoma Comment
  CAS-BOT-BC421372  Pterostegia drymarioides Alice Eastwood 1915-6-29 4834 Sonoma Bodega Point Comment
  CAS-BOT-BC36523  Quercus James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  CAS-BOT-BC94231  Quercus X eplingii G. De Nevers 1981-9-5 1812 Sonoma Pepperwood Ranch. Bottom of Bauer's driveway, near Hansel's Corral Comment
  RSA34661  Quercus X ganderi G. Ledyard Stebbins 1943-6-18 3364 Sonoma 2.5 miles N of Cotati; on road to Sebastopol. Comment
  CAS-BOT-BC61635  Quercus agrifolia Peter Rubtzoff 1951-8-18 639 Sonoma Pitkin marsh, near Forestville. In area separating the western branch of the Upper Marsh from the eastern Comment
  UC1193299  Quercus agrifolia P. Zinke 1950-4-25 116 Sonoma 4 mi e Cloverdale (Quad. 61A4) 365 Comment
  SEINET12029926  Quercus agrifolia W. Knight, Knight, I.; Howell, J. T. 1984-1 5080 Sonoma 0.4mi up Cavedale Rd from Hwy-12 91 Comment
  CDA11972  Quercus berberidifolia G. F. Hrusa, J. Pfeiffer 1995-9-23 12464 Sonoma North Coast Biodiversity Arena; Lower elevations below Cavedale Edaphic Island, on Cavedale Rd. Approx. 2.7 m. E of Hwy. 12. Comment
  UCD151139  Quercus berberidifolia James A. Neilson Jr. 1973-6-6 2959 Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  CHSC80756  Quercus chrysolepis Earl L. Core 1952-7-5 Sonoma Mt. St. Helena. Comment
  UC847903  Quercus chrysolepis Alice Eastwood 1918-9-3 7953 Sonoma Mount St. Helena Comment
  CAS-BOT-BC86004  Quercus douglasii Mrs. E. C. Sutliffe 1921-9-1 s.n. Sonoma Valley of the Moon, [Loudon's Place] Comment
  JEPS37398  Quercus douglasii W. H. Calhoun 1907-10-21 Sonoma Windsor Comment
  SEINET12030394  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5103 Sonoma 2.65 mi up Cavedale Rd from Hwy 12 Comment
  UCD46072  Quercus garryana var. garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 miles ne of Penngrove; 365 Comment
  UCD46076  Quercus garryana var. garryana Frederica Bowcutt 1996-5-19 2138 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air miles S of Red Mtn. in Adobe Canyon near office and corral. 396 Comment
  OBI14248  Quercus kelloggii Robert F. Hoover 1969-9-1 11570 Sonoma Comment
  SEINET2066832 Image available Quercus kelloggii Lewis S. Rose 1964-6-27 Sonoma 2 miles n of Sonoma 274 Comment
  SEINET3144234  Quercus kelloggii Unknown 1952-9-20 2620 Sonoma Voight Ranch, ca. 1.25 mi (airline) SW of Cunningham, along a lane running E from the Voight farmhouse Comment
  UC1281159  Quercus kelloggii H. E. McMinn 1938-9-5 5256 Sonoma Hood Mt. Range Comment
  JEPS46680  Quercus lobata W. L. Jepson 1902-11-12 Sonoma Cloverdale Comment
  UCD47144  Quercus parvula var. shrevei Willis L. Jepson 1893-9-23 s.n. Sonoma Mt. St. Helena. Napa River Basin. 914 Comment
Read comments
Jul 28 2008
  CAS-BOT-BC134864  Quercus wislizeni Walter Knight; Irja Knight 1963-9-1 148 Sonoma Pine Mt. Rd. - NE of Cloverdale, Harold Smith Ranch Comment
  RSA177965  Quercus wislizeni var. frutescens Robert F. Thorne 1965-4-20 34386 Sonoma Robert Sone's place on Rock Ridge Lane- Mentecito Ave. on Rincon Ridge, Santa Rosa. 107 Comment
  CDA130  Quercus wislizeni var. wislizeni D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .282 Sonoma Cavedale Rd. Comment
  RSA785701  Ranunculus californicus Carrie A. Herd 1982-3-14 15 Sonoma Crane Creek Regional Park Comment
  UCD95979  Ranunculus californicus Michael A. Vincent; Ethan H. Freid, Alex Reich 1998-4-8 8176 Sonoma Bodega Bay, University of California (Davis) Bodega marine Reserve, off Bodega Road, Bodega Head. Comment
  CAS-BOT-BC378674  Ranunculus californicus var. californicus A. A. Heller; H. E. Brown 1902-3-14 5063 Sonoma near Windsor Comment
  CAS-BOT-BC378677  Ranunculus californicus var. californicus L. R. Abrams 1918-4-27 6906 Sonoma Independence School near Healdsburg Comment
  CAS-BOT-BC378679  Ranunculus californicus var. californicus Peter Rubtzoff 1957-5-4 3300 Sonoma Duncans Mills Marsh, border of the uper part of Marsh Comment
  CAS-BOT-BC378767  Ranunculus californicus var. cuneatus A. A. Heller 1938-5-14 15082 Sonoma common in moist soil in grassy places on and back of the bluff north of Bay, Bodega Bay Comment
  UC483320  Ranunculus canus Ira L. Wiggins 1932-3-12 5758 Sonoma meadows between Calistoga and Knight's Valley Comment
  RSA534577  Ranunculus muricatus Peter Rubtzoff 1957-4-28 3292 Sonoma Duncans Mills Marsh Comment
  UC634968  Ranunculus muricatus H. L. Mason 1928-4-13 4324 Sonoma near Petaluma Comment
  UC1542900  Ranunculus occidentalis H. E. and S. T. Parks 1930-5-9 614 Sonoma Alexander Valley; on banks of stream entering valley Comment
  RSA534706  Ranunculus orthorhynchus var. platyphyllus Peter Rubtzoff 1959-5-31 4084 Sonoma Freestone Marsh Comment
  RSA155471  Ranunculus orthorhynchus var. platyphyllus L. S. Rose 1962-6-1 62063 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  SD134015  Raphanus sativus Greg de Nevers 1986-12-17 8118 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 29 Comment
  SEINET11522461  Raphanus sativus Richard R. Halse 1987-2-22 3376 Sonoma Sonoma Valley, along State Hwy 121, 0.4 mile E of its junction with State Hwy 116 at Big Bend. 6 Comment
  UCD81448  Raphanus sativus M. Wiesendanger 1927-5-5 716 Sonoma Sonoma. Comment
  RSA94322  Rhamnus californica Peter Rubtzoff 1951-8-18 616 Sonoma Uppermost part of the western branch of the upper. Comment
  UCSC000472  Rhamnus crocea R. W. Lundh 1932-7-21 124 Sonoma Napa, Hooker Canyon 549 Comment
  UC634742  Rhododendron macrophyllum H. L. Mason 1928-7-11 4896 Sonoma 2 mi n of Fort Ross Comment
  CAS-BOT-BC56662  Rhododendron occidentale Greg de Nevers 1996-5-31 10822 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. on Oak Hill Ranch 487 Comment
  CAS-BOT-BC200350  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-2 89 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC111861  Rhynchospora Peter Rubtzoff 1977-9-4 9132 Sonoma Pitkin Marsh, near Forestville. Northern part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC111864  Rhynchospora alba Peter Rubtzoff 1951-7-1 340 Sonoma Pitkin Marsh; Uppermost part of the western branch of the Upper Marsh. 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
  CAS-BOT-BC111901  Rhynchospora capitellata Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111904  Rhynchospora capitellata Peter Rubtzoff 1951-7-28 561 Sonoma Pitkin Marsh; lower part of the upper marsh. Comment
  CAS-BOT-BC111907  Rhynchospora capitellata John Thomas Howell; J. W. Stacey 1936-7-26 12677 Sonoma Pitkin Marsh; 5 miles north of Sebastopol. Comment
  JEPS117111  Rhynchospora globularis Peter Warner 2010-7-29 174 Sonoma Lower Pitkin Marsh, ~ 425 m, N 33 deg. E from Hwy. 116 gate, ~ 100 m, N 40 deg. E from nearest fence corner to west, ~ 20 m E of secondary drainage channel dense w/ Rubus armeniacus. Comment
  CAS-BOT-BC111926  Rhynchospora recognita John Thomas Howell 1947-6-26 23313 Sonoma Cunningham Marsh Comment
  UC79601  Ribes G. A. Newell Aug. 1900 Sonoma Russian River Station Russian River Comment
  UC58224  Ribes californicum A. A. Heller 1903-4-24 6613 Sonoma near Cazadero Comment
  UC75435  Ribes californicum Milo S. Baker 1898-4-6 22 Sonoma Skagg's Springs Comment
  UC75444  Ribes californicum Milo S. Baker 1898-4-4 19 Sonoma Sea View Comment
  CAS-BOT-BC169268  Ribes divaricatum Peter Rubtzoff 1957-4-28 3289 Sonoma Duncans Mills Marsh, at the edge of the upper part of the Marsh Comment
  CAS-BOT-BC168994  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1954-6-19 1492 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC168997  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1958-6-1 3700 Sonoma Laguna de Santa Rosa east of Cunningham, near Llamo Road Comment
  CAS-BOT-BC168999  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1952-3-23 899 Sonoma Damp area north of the Lower Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC169003  Ribes divaricatum var. pubiflorum G. DeNevers 1981-6-20 1579 Sonoma At confluence of Leslie Creek and Mark West Creek, Pepperwood Ranch Comment
  CAS-BOT-BC212922  Ribes menziesii John Thomas Howell 1934-3-3 11737 Sonoma 8 miles south of Fort Ross Comment
  UC75436  Ribes menziesii Milo S. Baker 1898-4-3 24 Sonoma between Forestville and Guerneville Comment
  RSA0024576  Ribes roezlii var. cruentum R. C. Bacigalupi 1926-3-28 1268 Sonoma Patton s Toll House along old road. Mt. St. Helena. Comment
  SEINET13942791 Image available Ribes sanguineum A. A. Heller, H. E. Brown 2002-1 5112 Sonoma Hills SE of Santa Rosa Comment
  CAS-BOT-BC209372  Ribes sanguineum var. glutinosum Catherine Best 1988-3-12 1314 Sonoma At the edge of Bodega Bay on the west side Comment
  UC1182091  Ribes victoris var. minus C. R. Quick and Alice Quick 1935-3-10 171 Sonoma ne Kenwood (n from Sonoma, at foot of Mt. Hood); Mt. Hood, Canyon of Sonoma Creek Comment
  SEINET7075471  Rigiopappus leptocladus A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley. 38? deg. 24' 31" North Latitude, -122? deg. 37' 52" West Longitude. (NAD 27), UTM Zone 10, 532220mE, 4251005mN. [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC362938  Rigiopappus leptocladus G. DeNevers 1981-5-15 1215 Sonoma Pepperwood Ranch. Along road to Hansel's Lake (from the bottom of her driveway) Comment
  CAS-BOT-BC344922  Rorippa curvisiliqua Peter Rubtzoff 1974-6-2 7517 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC74692  Rorippa curvisiliqua Peter Rubtzoff 1954-7-3 1516 Sonoma Vacation Beach, near Guernville. Beach of Russian River. Comment
  CAS-BOT-BC74710  Rorippa curvisiliqua Peter Rubtzoff 1970-5-30 6242 Sonoma 5 miles north of Sears Point. Comment
  UC398792  Rorippa curvisiliqua Katharine Brandegee Sonoma Duncan's Mills Comment
  UCR254883  Rorippa curvisiliqua var. occidentalis Peter Rubtzoff 1974-6-2 7517 Sonoma Upper Green Valley Marsh Comment
  UCR254884  Rorippa curvisiliqua var. occidentalis Peter Rubtzoff 1973-8-25 7259 Sonoma Willow Creek Marsh 9 Comment
  CAS-BOT-BC74847  Rorippa palustris var. palustris Peter Rubtzoff 1964-8-20 5470 Sonoma Near pond 1 mile southeast of Jenner (near junction of Hihgways 1 and 12). Comment
  CAS-BOT-BC152660  Rosa californica Peter Rubtzoff 1951-8-18 631 Sonoma Western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC152665  Rosa californica Greg de Nevers 1995-6-3 10747 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, along Franz Creek, just below Mountain House 487 Comment
  CAS-BOT-BC152676  Rosa californica A. A. Heller 1902-6-10 5678 Sonoma Santa Rosa Comment
  CAS-BOT-BC146809  Rosa nutkana Alice Eastwood; John Thomas Howell 1937-5-31 4499 Sonoma 2 miles south of Fort Ross Comment
  CAS-BOT-BC148201  Rosa rubiginosa Peter Rubtzoff 1957-8-17 3514 Sonoma Occidental Marsh Comment
  CAS-BOT-BC148204  Rosa rubiginosa John Thomas Howell 1946-8-17 22871 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC146735  Rosa spithamea Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  UC905110  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma top of Rose Butte Hood Mt. (w slope of mt.) 243 Comment
  UCD113779  Rubus armeniacus C. Wistrom 1996-5-26 38 Sonoma Healdsburg, 1601 Dry Creek Road. Comment
  UCR265086  Rubus armeniacus Ann Howald 2015-4-28 3374 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, c. 11.7 miles west of intersection with Rockpile Rd, Warm Springs drainage 431 Comment
  UCD113551  Rubus armeniacus Frederica Bowcutt 1994-5-21 1836 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. On side of hillside trail past junction with Digger Pine Trail approximately 1 mile. 411 Comment
  CAS-BOT-BC147991  Rubus leucodermis H. E. McMinn 1922-6-7 928 Sonoma By Monte Rio, seen along roadside three canyon from Occidental Comment
  RSA800355  Rubus spectabilis Peter Rubtzoff 1959-6-6 4089 Sonoma Willow Creek Marsh. Comment
  UC1073291  Rubus spectabilis George B. Rossbach 1955-3-19 310 Sonoma on thoroughfare into Bodega Harbor opposite Doran Beach Point (e edge Bodega Head); , thoroughfare into Bodega Harbor 22 Comment
  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
  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
  UCD167342  Rumex conglomeratus James Neilson 1981-5-28 4033 Sonoma Mayacmas Mountains. Lookout point along road fill over culvert 1/2 mi. west Big Geysers. Geysers Healdsburg Rd. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR222560  Rumex conglomeratus George K. Helmkamp, E. A. Helmkamp 2010-6-5 16238 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  CAS-BOT-BC166673  Rumex fueginus Peter Rubtzoff 1968-9-21 5972 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166800  Rumex fueginus Peter Rubtzoff 1962-9-30 5097 Sonoma Vacation Beach, 2 miles below Guerneville. Comment
  UCR244736  Rumex fueginus Peter Rubtzoff 1963-10-5 5288 Sonoma Laguna de Santa Rosa east of Graton 23 Comment
  UCR244737  Rumex fueginus Peter Rubtzoff 1958-7-20 3792 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road) 30 Comment
  RSA783832  Rumex obtusifolius Peter Rubtzoff 1962-10-23 5121 Sonoma Laguna de Santa Rosa area East of Graton, West of the Laguna. Between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC433740  Rumex occidentalis Alice Eastwood 1921-5-8 10459 Sonoma Petaluma Comment
  JEPS97570  Rytidosperma penicillatum R. D. Stone 1980-11-30 332 Sonoma Annapolis Road area just below and W of landing strip at the Sea Ranch. 91 Comment
  UC465492  Sagina maxima subsp. crassicaulis Katharine Brandegee 1905-1 Sonoma Bodega Point Comment
  CAS-BOT-BC445770  Sagittaria latifolia A. A. Heller 1902-7-1 5799 Sonoma Lagoon at Sebastopol Comment
  CAS-BOT-BC445775  Sagittaria latifolia Peter Rubtzoff 1955-8-28 2111 Sonoma Forestville Marsh. Comment
  SEINET11933369  Salicornia depressa W. Knight, Knight, I. 1984-1 5083 Sonoma Gilardi's Resort near Lakeville on Petaluma River 3 Comment
  RSA0015566  Salix Peter Rubtzoff 1973-8-27 7264 Sonoma Upper Green Valley Marsh. Comment
  RSA0019508  Salix Peter Rubtzoff, J. Eckenwalder 1974-4-6 7352 Sonoma Kenwood Marsh. Comment
  UC517942  Salix X sepulcralis W. A. Setchell 1934-3-17 Sonoma Valley Ford Rd. 6 mi. from Petaluma Comment
  CAS-BOT-BC103088  Salix bonplandiana Peter Rubtzoff 1963-10-5 5292 Sonoma Laguna de Santa Rosa east of Graton Comment
  RSA534570  Salix bonplandiana Peter Rubtzoff 1963-10-5 5291 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  JEPS83009  Salix breweri Roger Raiche 1984-4-21 40112 Sonoma about 6 mi n Cazadero (headwaters of creek); Big Austin Creek, The Cedars 152 Comment
  UC1299158  Salix breweri Freed W. Hoffman 1947-5-30 517 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  RSA534565  Salix exigua Peter Rubtzoff 1957-5-26 3370 Sonoma Vacation Beach. Near Guerneville. Russian River. Comment
  CAS-BOT-BC103841  Salix exigua subsp. melanopsis Peter Rubtzoff 1957-5-26 3372 Sonoma Vacation Beach, near Guerneville; bank of Russian River Comment
  CAS-BOT-BC103844  Salix exigua subsp. melanopsis Peter Rubtzoff 1972-9-8 6883 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River margin Comment
  UC482047  Salix exigua var. hindsiana Ball, Bracelin, Parks and Parks 1931-4-21 38 Sonoma 25 km n.w. of Calistoga (Maacama Creek) Comment
  UC490515  Salix exigua var. hindsiana Joseph P. Tracy 1932-5-8 9899 Sonoma Geyserville; Northern Coast Ranges Comment
  UC66167  Salix exigua var. hindsiana A. A. Heller 1902-4-18 5328 Sonoma on Russian R. near Windsor Comment
  CAS-BOT-BC107798  Salix hindsiana Walter Knight; Irja Knight 1963-9-14 254 Sonoma North roadside, Storny Pt. Road 1/2 mi. W. Railroad Ave. Comment
  SEINET5633112 Image available Salix hindsiana A. A. Heller 1902-4-8 5224 Sonoma Bennett Valley southeast of Santa Rosa. Comment
  POM220468  Salix laevigata Carleton R. Ball, Harold E. Parks 1931-2-17 22 Sonoma Santa Rosa Creek, 1 mile S of Santa Rosa. Comment
  RSA155474  Salix laevigata L. S. Rose 1962-4-18 62022 Sonoma 1 mile NW of Freestone. 76 Comment
  UC482325  Salix lasiandra subsp. lasiandra C. R. Ball and H. E. Parks 1931-2-17 21 Sonoma 1 mi. s. Santa Rosa (Santa Rosa Creek); Santa Rosa Creek Comment
  CAS-BOT-BC107093  Salix lasiolepis Peter Rubtzoff 1964-8-26 5487 Sonoma Marsh 5 mi. northeast of Penngrove on Lichau Rd. 213 Comment
  UC453093  Salix lasiolepis W. A. Setchell 1931-7-25 12 Sonoma Bohemian Grove Russian River (lower bank of river, near Monte Rio) Comment
  UC453113  Salix lasiolepis W. A. Setchell 1931-8-1 27 Sonoma Jenner-by-the-Sea Comment
  UC517941  Salix lasiolepis W. A. Setchell 1934-3-17 Sonoma Monte Rio; left hand side of road entering Bohemian Grove Comment
  UCD111636  Salix lasiolepis G. F. Hrusa 1998-3-15 14153 B Sonoma Hwy 128 at Lake Hennessey. 175 Comment
  CAS-BOT-BC107345  Salix lasiolepis var. bigelovii C. R. Ball; B. S. Ball 1933-5-6 2502 Sonoma 4 miles SW of Calistoga, on road to Petrified Forest, and just over Napa County line Comment
  CAS-BOT-BC128312  Salix lasiolepis var. lasiolepis Peter Rubtzoff 1987-9-12 9849 Sonoma Russian river at Forest Hills, 5.5 mi. east of Guerneville Comment
  POM219060  Salix lucida subsp. lasiandra Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 347 Sonoma About 2 km E of Bodega Bay. Comment
  RSA94334  Salix lucida subsp. lasiandra Peter Rubtzoff 1952-3-23 891 Sonoma S of the Upper Marsh. Comment
  SJSU178  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Russian R, Bohemian Grove near Monte Rio Comment
  CAS-BOT-BC126192  Salix scouleriana Ynes Mexia 1933-2-18 s.n. Sonoma Four miles south of Camp Meeker Comment
  POM210712  Salix scouleriana W. A. Setchell 1934-7-10 7 Sonoma Coast Highway. N of Fort Ross. Comment
  SBBG27421  Salix scouleriana Baker, C. R. Ball, H. Bracelin, Crum 1931-5-9 342 Sonoma 2 km E of Occidental, on Occidental grade Comment
  SD881  Salix scouleriana Baker, Ball, Bracelin, Crum 1931-5-9 342 Sonoma Two km east of Occidental, on Occidental Grade, arroyo bank Comment
  SJSU234  Salix scouleriana Baker, Ball, Bracelin & Crum 1931-5-9 343 Sonoma 2 km E of Occidenta on Occidental Grade Comment
  UC519397  Salix scouleriana Milo S. Baker 1933-4 Sonoma 3 mi. w. Sebastopol (along Santa Rosa-Bodega Hwy., at O'Farrell Hill); O'Farrell Hill Comment
  LA208908  Salix scouleriana Milo S. Baker; March 1933 7565 Sonoma at foot of O'Farrel Hill on Bodega Hwy Comment
  CAS-BOT-BC128902  Salix sitchensis Ball; Bracelin; Parks & Parks 1931-4-21 35 Sonoma Maacama Creek, 25 km. northwest of Calistoga Comment
  POM219075  Salix sitchensis Carleton R. Ball, H. P. Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 36 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  SBBG57980  Salix sitchensis C. R. Ball, H. P. Bracelin, H. E. Parks, S. Parks 1931-4-21 35 Sonoma Maacama Crk, 25 km NW of Calistoga Comment
  SBBG57991  Salix sitchensis C. R. Ball, H. P. Bracelin, H. E. Parks, S. Parks 1931-4-21 36 Sonoma Maacama Crk, 25 km NW of Calistoga Comment
  CAS-BOT-BC403775  Salpichroa origanifolia Greg de Nevers 1991-5-14 9749 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. At Ward House 475 Comment
  CDA132  Salvia sonomensis D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .279 Sonoma Cavedale Rd. Comment
  SFV8448  Salvia sonomensis K. Milam 1966-3-3 6 Sonoma North Coast Ranges Cavedale Road, opposite Hooker Canyon. 425 Comment
  SEINET10501134  Sambucus racemosa var. arborescens Frederick H. Utech, Walter Knight; Irja Knight 1984-4-17 Utech 84 -159 Sonoma Ca 5.0 mi E of Bridgehaven on Willow Creek Rd. Tree to 10 ft tall; edge of Redwood Forest Association. 145 Comment
  UC914292  Sanicula arctopoides Verne Grant, Alva Grant 1947-5-4 7955 Sonoma 1 mi from Bodega Bay (on road to Bodega) Comment
  POM117336  Sanicula bipinnatifida Marcus E. Jones 1924-4-23 s.n. Sonoma Petaluma Comment
  UC1022562  Sanicula crassicaulis C. Ritchie Bell 1952-3-19 3 X354 Sonoma se of Bodgea Bay (Larkspur Rock); Larkspur Rock Comment
  UCD160752  Sanicula crassicaulis James A. Neilson Jr. 1975-5-23 3199 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  UC1022536  Sanicula crassicaulis C. Ritchie Bell 1952-3-8 3 X335 Sonoma near entrance to Mountain Home Ranch Comment
  CAS-BOT-BC328134  Santolina chamaecyparissus Peter Rubtzoff 1952-5-31 1129 Sonoma Upper Marsh in the west, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC328137  Santolina chamaecyparissus Peter Rubtzoff 1952-5-31 1129 Sonoma Upper Marsh in the west, Pitkin Marsh near Forestville Comment
  POM126655  Satureja douglasii Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  SD56670  Satureja douglasii D. F. Howe 1963-7-3 3589 Sonoma 20 mi. N of jnct. with #12 on #1 Comment
  UC456049  Scabiosa atropurpurea I. J. Condit 1908-8-13 Sonoma Sebastopol Comment
  UC75643  Scandix pecten-veneris Milo S. Baker 1899-6-5 Sonoma Santa Rosa Comment
  RSA52688  Scandix pecten-veneris I. L. Wiggins 1949-4-30 12059 Sonoma Roadside 6.8 miles east of Santa Rosa on road to Calistoga Comment
  CAS-BOT-BC422370  Schedonorus arundinaceus Peter Rubtzoff 1962-5-25 4835 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  RSA0022393  Schedonorus arundinaceus Peter Rubtzoff 1960-6-9 4468 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  UCD65886  Schedonorus arundinaceus David L. Morgan 1958-8-7 Sonoma Just SE of Valley Ford city limits. 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-BC111529  Schoenoplectus americanus Peter Rubtzoff 1971-9-3 6689 Sonoma Springy area along southeartern border of Spring Creek Reservoir area. Comment
  RSA540083  Schoenoplectus americanus Peter Rubtzoff 1970-5-16 6223 Sonoma 5 miles north of Sears Point Comment
  RSA540068  Schoenoplectus californicus Peter Rubtzoff 1955-8-6 2020 Sonoma Bodega Harbor Marsh Comment
  SD134080  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4573 Sonoma Bodega Harbor Marsh, fresh-water port, open, wet, sandy ground. Comment
  RSA0019148  Schoenoplectus maritimus Peter Rubtzoff 1954-7-26 1557 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC111112  Scirpus microcarpus Peter Rubtzoff 1955-9-24 2152 Sonoma Duncans Mills Marsh. Comment
  JEPS74327  Scoliopus bigelovii Robert M. Lloyd 1963-2-24 2044 Sonoma abandoned picnic ground 0.5 mi. n. Occidental (on rd. to Camp Meeker) 45 Comment
  CAS-BOT-BC516418  Scoliopus bigelovii Peter Rubtzoff 1957-5-4 3297 Sonoma Duncan's Mills Marsh Comment
  SEINET12057679  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -002 Sonoma WNW of Sebastapol, 0.2 mi S of Occidental Road on Furlough Road, Sturgeon's Mill 80 Comment
  SEINET12058066  Scoliopus bigelovii F. H. Utech 1988-3-2 88 -011 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  CAS-BOT-BC240033  Scribneria bolanderi Catherine Best 1985-4-5 1068 Sonoma Stoetz Lane about 3 miles northeast of Occidental Comment
  CAS-BOT-BC320499  Scrophularia californica Peter Rubtzoff 1962-10-23 5122 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  SEINET10869909 Image available Scutellaria antirrhinoides A. Arthur Heller 1902-6-27 Heller 5786 Sonoma West of Windsor near Russian River Comment
  CHSC21969  Scutellaria californica Robert A. Schlising; Lloy Thurman 1962-6-15 2306 Sonoma Dutcher Creek Road, S of Cloverdale and Asti. Comment
  POM63113  Scutellaria californica A. A. Heller 1902-6-23 5743 Sonoma Petrified Forest Comment
  RSA177925  Scutellaria tuberosa Robert F. Thorne 1965-4-20 34373 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  UC884215  Scutellaria tuberosa John Thomas Howell 1937-4-11 12891 Sonoma e of Glen Ellen (Triniti Mountain); Triniti Mountain Comment
  UCD151102  Sedum spathulifolium James A. Neilson Jr. 1973-6-3 2946 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
  UC150854  Selaginella wallacei C. F. Baker 1903-4-20 2746 Sonoma Mt. St. Helena Comment
  RSA167465  Senecio flaccidus var. douglasii Joseph P. Tracy 1946-9-3 17652 Sonoma Russian River. Comment
  CDA35516  Senecio jacobaea Ed Finley 1986-8-2 s.n. Sonoma Sea Ranch, Coast Hwy 1, west side, near marker 53.41. 0 Comment
  JEPS37084  Senecio minimus W. L. Jepson 1931-7-19 15954 Sonoma between Russian River mouth and Occidental Comment
  SJSU14233  Senecio minimus C. W. Sharsmith 1989-5-14 9090 Sonoma Salt Point State Park c. 10 mi NW of Fort Ross Comment
  UCD135615  Senecio minimus D. Sampson 1926-7-8 s.n. Sonoma Monte Rio Ranch. Comment
  UCD135625  Senecio minimus Mary M. Hektner; Cathy Hendel 1974-7-26 179 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  UC1299455  Senecio sylvaticus Freed W. Hoffman 1948-5-30 2680 Sonoma near Guerneville; North Coast Ranges, Poole Ridge Comment
  CAS-BOT-BC364681  Senecio vulgaris Peter Rubtzoff 1973-8-20 7220 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  JEPS128269  Senecio vulgaris Roger Raiche 2000-4-8 025 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA791558  Senecio vulgaris Peter Rubtzoff 1973-8-20 7220 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC80320  Sequoia sempervirens Dr. Louise Taber 1960-6-1 s.n. Sonoma Villa Grande, 1 mi. n. of Monte Rio (at locality known as Patterson Point.) Comment
  YM-YOSE15452  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 miles South of Santa Rosa in Bennet Valley Comment
  CAS-BOT-BC366891  Setaria Greg de Nevers 1997-9-29 11099 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  CAS-BOT-BC243605  Setaria parviflora Burbank 1926-1-1 s.n. Sonoma Luther Burrant Garden Comment
Read comments
Sep 24 2017
  CAS-BOT-BC240278  Setaria viridis G. DeNevers 1981-6-20 1620 Sonoma Pepperwood Ranch. In Mark West Creek Comment
  SBBG4695  Sidalcea H. and M. Dearing 1939-5-14 3368 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  CAS-BOT-BC290641  Sidalcea Peter Rubtzoff 1974-5-26 7497 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA0020349  Sidalcea Peter Rubtzoff, Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7814 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC187886  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-9-15 767 Sonoma Lower part of the Upper Marsh, Pitkin Marsh, near Forestville Comment
  UC535114  Sidalcea diploscypha H. E. and S. T. Parks May, 1930 625 Sonoma head of Alexander Valley Comment
  UC108867  Sidalcea diploscypha Katharine Brandegee 1905-6-8 Sonoma bet Santa Rosa Sevastopol; bet Santa Rosa and Sevastopol Comment
  RSA448573  Sidalcea hartwegii Cora Mae Life 1924-3-23 14601 Sonoma Petaluma. Comment
  UCD116808  Sidalcea malviflora M. Wiesendanger 1927-5-5 704 Sonoma Sonoma County. Comment
  CHSC3190  Sidalcea malviflora subsp. laciniata Dona Kingsford 1966-4-6 Sonoma 2.5 miles E of Bodega Bay on Tomales- Valley Ford Road. Comment
  UC18909  Sidalcea malviflora subsp. malviflora Harley P. Chandler 1900-5-25 713 Sonoma Bodega Bay Comment
  CAS-BOT-BC213166  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 19638 Sonoma Kenwood Marsh, about 1/4 mile west of Kenwood Comment
  CAS-BOT-BC213170  Sidalcea oregana subsp. valida John Thomas Howell 1932-9-18 10766 Sonoma Kenwood Marsh near Kenwood Comment
  JEPS97939  Sidalcea oregana subsp. valida Jack and Betty Guggolz 1998-8-13 1581 Sonoma Knights Valley, W end; Bavarian Lion Ranch 122 Comment
  UC1601098  Sidalcea oregana subsp. valida Mrs. Booth Aug. 1894 Sonoma Knight's Valley Comment
  UCD166326  Silene Peter Rubtzoff 1967-8-28 5860 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  JEPS50892  Silene californica M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 235 Sonoma near Guerneville; Russian River, near Guerneville Comment
  JEPS128281  Silene coniflora Roger Raiche 2005-4-22 018 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC361365  Silene coniflora Greg de Nevers 1997-4-16 10931 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  SEINET11935783  Silene gallica P. G. Connors 1991-1 Sonoma Bodega Marine Reserve 9 Comment
  UCD98639  Silene gallica Valerie Bullock; Erik Beever 1993-5-8 241 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Ponygate Trail on path next to meadow. 365 Comment
  CAS-BOT-BC389230  Silene laciniata subsp. californica Peter Rubtzoff 1952-6-10 1225 Sonoma Top of Fitch Mtn., near Healdsburg 304 Comment
  SBBG14879  Silene laciniata subsp. californica A. I. Richardson 1961-6-16 21 Sonoma Sweetwater Springs Rd, 1 mi beyond turn to Armstrong Redwoods State Park, N of Guerneville Comment
  RSA0056440  Silene multinervia Greg de Nevers 1997-4-16 10931 Sonoma Cavedale Road. 152 Comment
  UCD115677  Sisymbrium officinale Erik Beever; Valerie Bullock 1993-5-8 206 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Pony Gate trail. 365 Comment
  SD130399  Sisyrinchium bellum F. Almeda, G. DeNevers 1981-3-30 4885 Sonoma Pepperwood Ranch, summit and east-facing slope of Three Tree Hill. Grassy slopes with scattered oaks. Comment
  UC1084445  Sisyrinchium californicum G. Thomas Robbins 1937-5-23 200 Sonoma 10 mi w of Santa Rosa (on Pitkin Ranch); Vine Hill Region Comment
  UC844172  Smilacina racemosa Mrs. E. C. Sutliff Aug. 1920 Sonoma near Annapolis Comment
  CAS-BOT-BC164422  Solanum Peter Rubtzoff 1963-10-5 5287 Sonoma Laguna de Santa Rosa east of Graton. Comment
  UCD166097  Solanum Peter Rubtzoff 1971-8-9 6634 Sonoma Laguna, Chileno Valley. Comment
  UCD166506  Solanum americanum Peter Rubtzoff 1958-8-9 3837 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UCD126816  Solanum americanum C. B. Heiser; D. Heiser 1946-4-14 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC156446  Solanum umbelliferum P. H. Raven 1951-5-20 2862 Sonoma Oakville to Glen Ellen 274 Comment
  CAS-BOT-BC344889  Solidago Peter Rubtzoff 1962-9-16 5094 Sonoma Vacation Beach, 1.5 miles below Guerneville. Comment
  CAS-BOT-BC354323  Solidago Peter Rubtzoff 1969-8-26 6155 Sonoma Marsh on River Road ca. 3 miles west of Fulton. Comment
  CAS-BOT-BC365584  Solidago elongata Peter Rubtzoff 1951-9-2 719 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC365587  Solidago elongata John Thomas Howell 1946-8-17 22867 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC365660  Solidago spathulata L. R. Abrams 1920-7-3 7608 Sonoma Near Stewarts Point Comment
  UCD136064  Solidago spathulata Mary M. Hektner 1974-1 s.n. Sonoma Unit 17 Owners' Map, Sea ranch, near State Highway 1. Comment
  SDSU534  Solidago spathulata subsp. spathulata D. F. Howe 1962-7-29 3350 Sonoma 12 miles north of Jenner on #1. 91 Comment
  UC1041084  Solidago velutina subsp. californica J. W. Congdon 1880-7-25 Sonoma Petaluma Comment
  UC1613315  Solidago velutina subsp. californica Charles M. Belshaw 1936-9-18 2670 Sonoma Mt. St. Helena Comment
  UCR255522  Solidago velutina subsp. californica Peter Rubtzoff 1961-9-6 4745 Sonoma 2 miles NE of Freestone 58 Comment
  CAS-BOT-BC365962  Soliva sessilis John Thomas Howell 1931-4-18 6418 Sonoma Mouth of Salmon Creek, 2 miles n. of Bay Comment
  UCD136117  Soliva sessilis P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC173686  Soliva sessilis Peter Rubtzoff 1974-5-18 7433 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  RSA94643  Spergula arvensis Peter Rubtzoff 1952-3-23 880 Sonoma Open area separating the western branch of the Upper Marsh from the eastern; Pitkin Marsh, near Forestville. Comment
  CHSC12161  Spergula arvensis subsp. arvensis J. Grove 1973-4-15 80 Sonoma Collected 5.5 mi nw of Petaluma. 38 Comment
  JEPS51207  Spergula arvensis subsp. arvensis G. G. Frey 1921-12-5 Sonoma Sebastopol Comment
  CAS-BOT-BC320524  Spergularia Peter Rubtzoff 1974-6-9 7588 Sonoma Upper Green Valley Marsh. Comment
  RSA0022422  Spergularia Peter Rubtzoff 1971-7-3 6591 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing. Comment
  RSA0098145  Spergularia macrotheca E. A. Purer 1932-7-21 s.n. Sonoma Bodega Bay. Comment
  UCR275242  Spergularia rubra Peter Rubtzoff 1969-8-14 6130 Sonoma Along Salmon Creek, c. 0.5 mile upstream from Hwy #1 3 Comment
  CAS-BOT-BC390994  Spergularia villosa Walter Knight; Irja Knight 1984-8-27 5085 Sonoma Near Gilardi Resort near Lakeville, along Petaluma River Comment
  UC1222182  Spiranthes porrifolia Joseph P. Tracy 1950-5-24 18687 B Sonoma In field where the Knights Valley Road enters Alexander Valley (and leaves Muyacamas Creek). Comment
  CAS-BOT-BC257342  Stachys Peter Rubtzoff 1977-9-3 9124 Sonoma Perry Marsh. Comment
  JEPS87220  Stachys ajugoides Jack and Betty Guggolz 1992-6-22 1320 Sonoma cattle pasture se Knowles Corner 36 Comment
  UC494179  Stachys ajugoides var. rigida H. E. and S. T. Parks 1930-5-9 618 Sonoma small stream at head Alexander Valley Comment
  UCD126019  Stachys bullata C. Wistrom 1996-5-26 26 Sonoma Healdsburg. 1601 Dry Creek Road. 48 Comment
  RSA227237  Stachys chamissonis Peter Rubtzoff 1962-8-22 5048 Sonoma Bodega Bay Marsh. Comment
  RSA94260  Stachys chamissonis Peter Rubtzoff 1951-7-21 520 Sonoma Pitkin Marsh near Forestville. Comment
  UCSB23992  Stachys rigida McCarthy, Sharon 1965-4-16 Sonoma Corner of 5th Street West and Verano Ave; Sonoma 60 Comment
  UCD166327  Stellaria Peter Rubtzoff 1967-8-28 5866 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC293752  Stellaria media Peter Rubtzoff 1955-5-21 1863 Sonoma Forestville Marsh. North-facing slope bordering the marsh in the south. Comment
  CAS-BOT-BC394957  Stellaria media Walter Knight; Irja Knight 1963-12-25 430 Sonoma Waste places - Marshall & Magnolia Aves., Petaluma Comment
  CAS-BOT-BC405136  Stellaria nitens Greg de Nevers 1992-4-8 10102 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. At Hendley Flat. 475 Comment
  HSC100968  Stipa miliacea Peter Warner, Sarah Gordon 2011-5-27 207 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), Mark West Creek, upstream ~300 m from 2nd bridge, between lower Pelm Meadow and Pelm house. 48 Comment
  NY431575  Stipa pulchra A. A. Heller 1902-4-9 5252 Sonoma 3 miles south of Healdsburg Comment
  UC1292729  Streptanthus brachiatus Freed W. Hoffman 1957-8-22 4207 Sonoma near Contact Mine, E of Pine Flat; on Sonoma-Lake county line 914 Comment
  UC1478046  Streptanthus brachiatus Charlie Patterson 1980-6-16 Sonoma ca 1 1/2 mi e Socrates Mine (near Lake Co. line) Comment
  SEINET10735472 Image available Streptanthus brachiatus Arthur R. Kruckeberg 1949-6-5 Kruckeberg 2905 Sonoma Exposed serpentine ridge near Contact Mine, east of Pine Flat, on the Sonoma-Lake county line. 914 Comment
  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
  CAS-BOT-BC87229  Streptanthus glandulosus subsp. glandulosus H. N. Bolander 1864-4-1 3944 Sonoma At the Geysers. Comment
  JEPS86336  Streptanthus glandulosus subsp. glandulosus Jack and Betty Guggolz 1988-6-13 949 Sonoma n side of Pine Flat Road 7.9 mi from junction with Hwy 128 Comment
  UC410837  Streptanthus glandulosus subsp. glandulosus Miss Anna F. Rodda 1929-5-6 Sonoma Geyserville Comment
  JEPS86337  Streptanthus glandulosus subsp. secundus Jack and Betty Guggolz 1988-5-8 928 Sonoma outcrop on e side of Pine Flat Road 7.9 mi from Hwy 128 Comment
  UC639136  Streptanthus glandulosus subsp. secundus Beryl O. Schreiber 1934-5-16 1121 Sonoma Fitch Mountain Road Healdsburg Comment
  UC70399  Streptanthus glandulosus subsp. secundus Milo S. Baker 1899-6-28 Sonoma near Duncan's Mills; Russian River Comment
  UC673192  Streptanthus glandulosus subsp. sonomensis Lincoln Constance and Reed C. Rollins 1942-5-10 2863 Sonoma 4 mi n Geyserville; North Coast Ranges 60 Comment
  JEPS128181  Streptanthus morrisonii Roger Raiche 2001-3-17 008 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS82296  Streptanthus morrisonii Roger Raiche 1983-7-4 30472 Sonoma above Gilliam Creek; East Austin Creek State Recreational Area, Morrison Ridge 304 Comment
  UC936538 Image available Streptanthus morrisonii subsp. hirtiflorus Freed W. Hoffman 1948-6-16 2344 Sonoma a short distance above Dorr's Cabin (Headwaters of East Austin Creek); North Coast Ranges, East Austin Creek; East Austin Creek above Dorr's Creek, Sonoma Co. Comment
  UC1292738  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1950-6-17 3380 Sonoma Layton Mine, Austin Creek Comment
  UC1601622  Streptanthus tortuosus Milo S. Baker 1940-7-15 9781 Sonoma cliffs Hood's Peak Comment
  UC10917  Streptanthus tortuosus var. suffrutescens F. T. Bioletti 1893-6-1 Sonoma Hood's Peak Comment
  CAS-BOT-BC269630  Symphoricarpos albus var. laevigatus A. A. Heller 1902-6-24 5762 Sonoma Near Burke's Sanitarium Comment
  UCD158713  Symphoricarpos albus var. laevigatus Teresa A. Sholars 1976-9-9 s.n. Sonoma Mayacmas Mtns. Ca. 1 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd., along Big Sulphur Creek. Elevation estimated by label maker. 792 Comment
  POM188467  Symphoricarpos mollis Marcus E. Jones 1931-7-5 29056 Sonoma West of Cloverdale. Comment
  CAS-BOT-BC97835  Symphyotrichum chilense Walter Knight; Irja Knight 1984-9-26 5236 Sonoma 5.9 mi. up Cavevale Rd. Comment
  UCD38979  Symphyotrichum lanceolatum var. hesperium Beecher Crampton 1960-11-30 5811 Sonoma 1 mile east of Vineburg. Comment
  UC29898  Symphyotrichum spathulatum J. Burtt Davy 1897-9-19 4030 Sonoma Petaluma Marshes Comment
  UC469052  Symphyotrichum subspicatum Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  UCD148394  Taraxacum Peter Rubtzoff 1958-4-26 3587 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UC1432146  Teesdalia coronopifolia C. F. Quibell 1977-3-7 1392 Sonoma w edge of Santa Rosa, sw of intersection of Fulton and Piner roads Santa Rosa Comment
  CAS-BOT-BC447459  Tellima grandiflora Dorothy Scherer 1997-5-6 100 Sonoma Lower Fort Ross Cr, north side, Fort Ross State Historic Park 7 Comment
  CDA24367  Thalictrum fendleri var. polycarpum Sherrald 1929-5-3 Sonoma 0 Comment
  SD254581  Thysanocarpus curvipes Ann Howald 2015-4-1 3334 Sonoma North Coast Ranges; Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage (Tombs Creek 7.5'Q) 294 Comment
  UC1127049  Thysanocarpus curvipes E. Armstrong 1934-3-26 920 Sonoma 2 mi w Camp Meeker; Sebastopol Quadrangle 121 Comment
  CAS-BOT-BC66817  Thysanocarpus curvipes G. DeNevers 1981-4-25 843 Sonoma Pepperwood Ranch. At the big road cut and turnout below Walter Ward's House on Franz Valley Road. Comment
  CAS-BOT-BC66820  Thysanocarpus curvipes A. A. Heller; H. E. Brown 1902-4-14 5287 Sonoma Near Mark West Springs. Comment
  UCR265091  Thysanocarpus curvipes var. curvipes Ann Howald 2015-4-1 3334 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  POM182665  Thysanocarpus curvipes var. curvipes D. D. Keck 1931-4-4 1098 Sonoma Santa Rosa Creek Canyon 225 Comment
  RSA0039329  Thysanocarpus curvipes var. curvipes John Thomas Howell 1933-4-2 10936 Sonoma Sonoma Creek Canyon. Comment
  SEINET11987373  Thysanocarpus curvipes var. elegans R. A. Schlising 1962-1 2125 -d Sonoma along Cavedale Road, 1 mi E of Hwy 12 Comment
  CAS-BOT-BC447590  Tiarella trifoliata subsp. unifoliata W. W. Carruth 1899-7-1 s.n. Sonoma Geysers Comment
  CAS-BOT-BC447595  Tiarella trifoliata subsp. unifoliata Catherine Best 1980-7-1 s.n. Sonoma Growing on the bank of Dutch Bill Creek about 1 mile north of Occidental Comment
  RSA135474  Tiarella trifoliata var. unifoliata Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  UC903301  Tiarella trifoliata var. unifoliata Ethel Crum 1930-7-27 824 Sonoma 1 mi n Fort Ross; North Coast Ranges Comment
  CAS-BOT-BC368089  Tolpis barbata Greg de Nevers 1998-5-2 11223 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Northwest of High Hill, southwest of big bay 400 Comment
  POM14823  Tonella tenella A. A. Heller, H. E. Brown 1902-4-4 5217 Sonoma Hills east of Santa Rosa Comment
  UC27666  Tonella tenella Alice King Apr 1897 Sonoma Healdsburg Comment
  UCR218632  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2010-6-4 16214 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  RSA801567  Torilis arvensis Peter Rubtzoff 1967-7-2 5844 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  UC1084739  Torilis arvensis Milo S. Baker May 1957 13121 Sonoma Brookside Garden Comment
  SEINET7295150 Image available Torreyochloa pallida var. pauciflora A. S. Hitchcock 1908-1 2702 Sonoma Sherwood Comment
  UCR265093  Toxicoscordion fontanum Ann Howald, Christina Freeman 2015-4-13 3341 Sonoma Inner North Coast Ranges, Annadel State Park, Ledson Marsh, south shore, c. 300 feet north of intersection Pig Flat and Marsh trails 363 Comment
  JEPS128209  Toxicoscordion fremontii Roger Raiche 2000-5-5 095 .00 Sonoma The Cedars. Danfield Creek drainage near crest with Pepperwood Creek; topographic peak 2061. Gualala River, Wheatfield Fork watershed. Comment
  UCD110462  Toxicoscordion fremontii Christopher Mallek 2008-1 HC1- 1 Sonoma Hooker Canyon. 590 Comment
  UCD139836  Toxicoscordion fremontii Frederica Bowcutt 1996-3-24 2078 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile south of Red Mountian. Along Lower Bald Mtn. Trail on second switchback. 487 Comment
  CAS-BOT-BC519551  Triantha occidentalis subsp. occidentalis Peter Rubtzoff 1951-7-28 566 Sonoma Sonoma Comment
  CAS-BOT-BC519554  Triantha occidentalis subsp. occidentalis John Thomas Howell 1945-7-18 s.n. Sonoma Sonoma: Pitkin Marsh Comment
  CAS-BOT-BC376268  Tribulus terrestris Greg de Nevers 1995-7-4 10758 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek 487 Comment
  RSA800348  Trichostema Peter Rubtzoff, Nancy Harrison 1977-8-26 9117 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UCD163995  Trichostema Peter Rubtzoff; Nancy Harrison 1977-8-26 9117 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CHSC24184  Trichostema laxum T. P. Spira 1976-7-23 Sonoma Ca. 2 mi nw of Camp Meeker and 1/4 mi n of Bohemian Hwy. 91 Comment
  UCD158711  Trichostema laxum Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 1 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Shell US Geothermal # 2. Elevation estimated by label maker. 792 Comment
  UCD117574  Trientalis latifolia Charles B. Heiser Jr. 1946-5-19 1759 Sonoma Russian River near Duncan Mills. Comment
  CAS-BOT-BC173628  Trifolium Peter Rubtzoff 1974-5-18 7428 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC480358  Trifolium albopurpureum D. E. Breedlove 1976-3-27 39448 Sonoma above Dry Creek, west of Warm Springs Dam Comment
  JEPS101720  Trifolium albopurpureum var. dichotomum Dean W. Taylor 1994-5-4 14214 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 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
  POM21666  Trifolium barbigerum A. A. Heller 1903-4-23 6609 Sonoma Fort Ross. Comment
  UC16440  Trifolium bifidum var. bifidum H. N. Bolander 1864-1 3856 Sonoma Russian River Bed Comment
  UCR255743  Trifolium bifidum var. bifidum Greg de Nevers 1997-4-16 10940 Sonoma North Coast Range, Cavedale Road 152 Comment
  UCSC006095  Trifolium buckwestiorum Randall Morgan 1996-5-18 2953 Sonoma Seed from near Two Rock Comment
  UCSC008685  Trifolium buckwestiorum Randall Morgan 2008-6-4 4896 Sonoma Near Santa Rosa Comment
  UC1541593  Trifolium ciliolatum H. E. and S. T. Parks 1930-5-9 602 Sonoma Knights Valley Comment
  SEINET12147997  Trifolium ciliolatum Unknown 1936-1 13104 Sonoma near Healdsburg Comment
  SEINET6934959  Trifolium depauperatum var. amplectens A. G. Vestal, Wanda P. Vestal 1962-4-12 s.n. Sonoma Mark West Springs road toward Calistoga, 6.4 miles northeast of Route 101 or 10 miles north of Santa Rosa. 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
  UC1084487  Trifolium fucatum G. Thomas Robbins 1938-5-19 263 Sonoma sw Santa Rosa (along Sandy Point Rd) Comment
  SJSU7956  Trifolium hirtum C. C. DeMartini 1961-5-7 Sonoma Healdsburg Comment
  UC1130076  Trifolium microcephalum H. S. Yates 1934-4-22 3855 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  UC1177072  Trifolium microcephalum Peter H. Raven 1951-4-22 2782 Sonoma e Agua Caliente (hills) Comment
  UC1541580  Trifolium microdon H. E. and S. T. Parks 1930-5-9 601 Sonoma Knights Valley 152 Comment
  UC16687  Trifolium oliganthum Edward Lee Greene 1892-1 Sonoma Knights Valley Comment
  UCSC005675  Trifolium stenophyllum Randall Morgan 1995-5-18 2610 Sonoma 6+ miles up Coleman Valley Road from Occidental Comment
  SEINET7075560  Trifolium variegatum A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley. 38? deg. 24' 31" North Latitude, -122? deg. 37' 52" West Longitude. UTM Zone 10, 532220mE, 4251005mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  CDA28059  Trifolium variegatum var. major Peter Rubtzoff 1969-5-3 6023 Sonoma Laguna de Santa Rosa east of Sebastopol. 0 Comment
  POM18721  Trifolium variegatum var. major D. C. Michener, F. T. Bioletti 1893-05 s.n. Sonoma Kenwood. Comment
  UCD55337  Trifolium vesiculosum Ellen Dean 2006-6-28 3181 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. In southeast part of vineyard where a new reservoir is planned 169 Comment
  UC16754  Trifolium willdenovii W. H. Brewer 1862-4-17 981 Sonoma Sonoma Valley Comment
  UC631044  Trifolium willdenovii P. B. Kennedy 1915-5-28 Sonoma Del Mar Comment
  UCSB31788  Trifolium willdenovii Townsend, J. 1977-5-29 Sonoma West side Russian River, about 0.5 miles south of Guerneville 335 Comment
  CDA28069  Trifolium wormskioldii M. S. Bergseng 1959-8-4 3809 Sonoma Sonoma Coast State Park. 0 Comment
  UCD109956  Trifolium wormskioldii W. A. Williams 1956-6-7 s.n. Sonoma Goodale Ranch, 12 miles west of Petaluma on Fallon Road. Comment
  SEINET5869493 Image available Triglochin maritima L. S. Rose 1964-1 64055 Sonoma N end of Bodega Bay Comment
  CAS-BOT-BC451982  Triglochin striata Peter Rubtzoff 1973-9-15 7328 Sonoma Lower Salmon Creek Marsh. Slough just east of Hwy. 1. Comment
  CAS-BOT-BC520846  Trillium albidum Mrs. F. B. Trosper 1922-3-29 s.n. Sonoma Sonoma Comment
  HSC22046  Trillium chloropetalum var. chloropetalum F. Demostene 1966-4-11 40 Sonoma 25 mi. W of Healdsburg Comment
  JEPS76933  Trillium ovatum Robert M. Lloyd 1963-2-24 2045 Sonoma abandoned picnic ground 0.5 mi. n. of Occidental on rd. to Camp Meeks 45 Comment
  UC886473  Triphysaria eriantha subsp. eriantha Keith Wagnon 1938-4-19 Sonoma e side Santa Rosa Catholic Cemetary; North Bay Counties Comment
  CAS-BOT-BC227654  Trisetum canescens Peter Rubtzoff 1971-6-25 6570 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC227657  Trisetum canescens Peter Rubtzoff 1955-5-14 1847 Sonoma Duncans Mills Marsh. Comment
  UC1133278  Trisetum canescens H. S. Yates 1936-5-16 5609 Sonoma 1 mi nw Mountain View School; Sebastopol Quad. 91 Comment
  UCR280141  Trisetum canescens Peter Rubtzoff 1971-6-25 6570 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  CAS-BOT-BC522368  Triteleia hyacinthina H. C. Cantelow 1936-5-3 s.n. Sonoma Between Shellville and El Verano Comment
  CAS-BOT-BC527966  Triteleia peduncularis John Thomas Howell 1937-6-6 13037 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC527970  Triteleia peduncularis J. W. Congdon 1880-5-30 115 Sonoma Santa Rosa Comment
  CAS-BOT-BC527975  Triteleia peduncularis Peter Rubtzoff 1964-6-20 5363 Sonoma Laguna de Santa Rosa southwest of Sabastopol (nr. Cooper Rd.) Comment
  RSA540084  Triteleia tubergenii Peter Rubtzoff, Rimo C. Bacigalupi 1971-6-10 6526 Sonoma South side of W Railroad Ave between Hwy 101 and Stony Point Road Comment
  RSA540096  Typha angustifolia Peter Rubtzoff 1971-7-9 6592 Sonoma 5 miles north of Sears Point. Comment
  SD134039  Typha angustifolia Peter Rubtzoff 1971-7-9 6592 Sonoma 5 mi. north of Sears Point. Shallow water near margin of pond Comment
  RSA187426  Ulex europaeus John H. Thomas 1966-3-22 11543 Sonoma In the vicinity of Bodega Comment
  CAS-BOT-BC258007  Ulmus Peter Rubtzoff; Nancy Harrison; Ruth Hass 1974-8-31 7854 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC91283  Umbellularia californica Walter Knight; Irja Knight 1964-11-15 774 Sonoma Hood's Peak at Johnson Lake. Comment
  SEINET5339110  Umbellularia californica L. Fallon 1939-1-2 s.n. Sonoma 15 miles west of Santa Rosa. Comment
  UCD111537  Urtica dioica subsp. gracilis P. G. Connors 1991-7-2 191 Sonoma Bodega Head and Dunes. Near Bodega Harbor, on Bodega Head. Comment
  CAS-BOT-BC403986  Urtica dioica subsp. gracilis Walter Knight; Irja Knight 1964-2-27 556 Sonoma Ca. 2 mi S. Gualala on highway #1 Comment
  CAS-BOT-BC404236  Urtica dioica subsp. holosericea Peter Rubtzoff 1962-9-16 5088 Sonoma Vacation Beach, 1.5 miles below Guerneville Comment
  CAS-BOT-BC391314  Vaccaria hispanica Miss May 1886-6-15 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC193385  Vaccinium ovatum J. W. Congdon 1880-10-24 s.n. Sonoma Near Guerneville Comment
  CAS-BOT-BC199472  Vaccinium parvifolium L. R. Abrams 1920-7-3 7595 Sonoma Gualala River Comment
  RSA121716  Vancouveria planipetala H. S. Yates 1936-5-16 5614 Sonoma 1 mile NW of Mountain View School. 91 Comment
  UC558486  Veratrum fimbriatum Elizabeth E. Morse 1936-8-30 Sonoma Gualala River Comment
  CAS-BOT-BC320550  Verbascum Peter Rubtzoff; Nancy Harrison 1974-7-13 7678 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC157661  Veronica Peter Rubtzoff 1960-5-20 4397 Sonoma Laguna de Santa Rosa east of Graton (betw. Occidental and Guerneville roads). Comment
  CAS-BOT-BC157664  Veronica Peter Rubtzoff 1966-4-17 5680 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC164361  Veronica Peter Rubtzoff 1969-5-11 6037 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC182754  Veronica americana Peter Rubtzoff 1958-6-1 3693 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC182759  Veronica americana Peter Rubtzoff 1955-7-10 1948 Sonoma Duncans Mills Marsh. Comment
  RSA786485  Veronica americana Peter Rubtzoff 1954-8-13 1711 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC164369  Veronica peregrina Peter Rubtzoff 1958-4-26 3594 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UCD148393  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1958-4-26 3594 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  RSA0021071  Veronica persica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 mils east of Guerneville. At 9981 Old River Road. Comment
  UCD164195  Veronica scutellata Peter Rubtzoff; Nancy Harrison 1978-6-11 9211 Sonoma Cunningham Marsh Area, on north side of Blucher Creek Valley. Comment
  UCD151091  Vicia americana subsp. americana James A. Neilson Jr. 1973-6-3 2969 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
  UCD38373  Vicia benghalensis Beecher Crampton 1955-4-4 2393 Sonoma Asti. Comment
  JEPS86772  Vicia lathyroides Jack and Betty Guggolz 1990-6-11 1062 Sonoma about 11 km e Healdsburg (on the Ferrari-Carano Ranch) 228 Comment
  SBBG3895  Vicia sativa H. and M. Dearing 1939-5-15 3382 Sonoma N of Fort Ross Comment
  UC972190  Vicia sativa subsp. nigra Milo S. Baker 1952-4-23 12405 Sonoma w outskirts Sonoma (e side of 5th St, between Bettencourt and McArthur) Comment
  UCD108915  Vicia sativa subsp. nigra Freed W. Hoffman 1947-4-7 1895 Sonoma Between Healdsburg and Calistoga. Comment
  RSA0057958  Vicia villosa subsp. villosa Greg de Nevers 1998-4-27 11205 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  UC1023467  Viola adunca Leo Koch 1939-4-8 496 Sonoma near Plantation; North Bay, Baxman Ranch Comment
  UC1084480  Viola adunca G. Thomas Robbins 1938-4-15 253 Sonoma about 2.5 mi e of Bodega Bay Comment
  UC35304  Viola glabella J. Burtt Davy 1896-3-13 1653 Sonoma Cazadero Comment
  NY380615  Viola helleriana A. A. Heller 1902-3-29 5179 Sonoma Bodega Bay Comment
  UC19318  Viola pedunculata Davy May 1888 Sonoma Russian River below Guerneville; Russian River Comment
  SDSU11390  Viola sempervirens D. F. Howe 1963-7-3 3590 Sonoma 20 miles north of junction with #12 on #1, under redwoods. Comment
  UC75664  Viola sempervirens Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  RSA262373  Viscum album Jesse Dubin 1971-3-4 s.n. Sonoma Near Sebastopol. Comment
  SEINET3825247 Image available Viscum album Stanley Rose 1966-1-2 Sonoma 1 miles from Sebastopol on Gravenstein Highway North Comment
  CAS-BOT-BC203123  Vitis californica D. E. Breedlove 1980-6-27 44768 Sonoma Pepperwood Ranch W of Knights Valley Comment
  POM127692  Vitis californica L. R. Abrams 1922-6-21 8099 Sonoma Healdsburg to Cloverdale. Comment
  SD99424  Vitis californica Christopher Davidson 1977-6-20 6003 Sonoma Dry Cr. Rd, 7.2 mi. W of Geyserville, along Warm Spgs. Cr. 75 Comment
  UC552472  Vitis californica Professor J. T. Barrett 1936-6-19 Sonoma above Guerneville; Russian River Comment
  UCD102746  Vitis californica K. Esau 1935-7-19 s.n. Sonoma Near Petaluma Comment
  CAS-BOT-BC199910  Vulpia bromoides Peter Rubtzoff 1955-5-21 1858 Sonoma Forestville Marsh. North facing slope bordering the Marsh in the south Comment
  CAS-BOT-BC312705  Vulpia bromoides Peter Rubtzoff 1960-5-22 4404 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC199915  Vulpia bromoides Peter Rubtzoff 1951-7-7 372 Sonoma Eastern branch of the Upper Marsh Comment
  HSC9911  Vulpia microstachys Leo Koch 1940-4-22 838 Sonoma At Geysers in Sulfur Creek Canyon. Comment
  SEINET5428073  Vulpia microstachys L. Koch 1940-4-22 838 a Sonoma At Geysers in Sulfur Creek Canyon Comment
  UCD93675  Vulpia microstachys August L. Hormay 1932-5-25 s.n. Sonoma Hot Springs. Comment
  CAS-BOT-BC184596  Vulpia microstachys var. pauciflora Greg de Nevers 1990-5-1 9669 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. West of Three Tree Hill 457 Comment
  UC729991  Vulpia microstachys var. pauciflora Leo F. Koch 1940-4-22 840 Sonoma Geysers; Sulphur Creek Canyon Comment
  POM206212  Vulpia myuros A. A. Heller 1902-4-4 5221 Sonoma Hills near Santa Rosa. Comment