Search Results — 2000 specimen records retrieved (1251 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCD109803  Abronia umbellata Ann F. Johnson 1979-6-19 s.n. Sonoma Bodega Dunes State Park. Comment
  RSA0057967  Abutilon theophrasti Greg de Nevers 1997-9-10 11087 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Road at Mark West Springs Road. 100 Comment
  UCR255648  Abutilon theophrasti Greg de Nevers 1997-9-10 11087 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC436992  Acaena pinnatifida var. californica J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma Comment
  CDA11341  Acer macrophyllum G. F. Hrusa 1995-4-2 12051 Sonoma North Coast Biodiversity Arena; Corner of Franz Valley School Rd. and Franz Valley Rd. Comment
  UC18123  Acer macrophyllum W. H. Brewer 1862-4-18 960 Sonoma near Sonoma; near Sonoma Comment
  UCD117125  Acer negundo W. W. Robbins 1932-6-17 s.n. Sonoma Sonoma County. Comment
  CAS-BOT-BC336946  Acer negundo var. californicum Peter Rubtzoff 1953-5-16 1363 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  SEINET6998157  Achillea borealis subsp. californica Wanda P. Vestal, A. G. Vestal 1962-4-11 s.n. Sonoma 1 mile east of Occidental. Comment
  CAS-BOT-BC166735  Achyrachaena mollis Peter Rubtzoff; H. A. Froebe 1971-5-30 6478 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC166795  Achyrachaena mollis Peter Rubtzoff 1974-5-26 s.n. Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UCD165139  Achyrachaena mollis Peter Rubtzoff 1974-5-18 7425 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC29157  Achyrachaena mollis A. A. Heller; H. E. Brown 1902-4-16 5304 Sonoma Fields east of Santa Rosa Comment
  CAS-BOT-BC29167  Achyrachaena mollis G. DeNevers 1981-4-25 807 Sonoma Franz Valley Road and Mark West Springs Road Comment
  CAS-BOT-BC26655  Acmispon aestivalis Amos Arthur Heller 1902-8-18 6051 Sonoma Santa Rosa Comment
  NY380620  Acmispon aestivalis A. A. Heller 1902-8-18 6051 Sonoma Santa Rosa Comment
  SD56752  Acmispon americanus Darley F. Howe 1963-7-2 Sonoma 0.9 mile north of junction with Highway 12 on Highway 1. Comment
  UCD161313  Acmispon brachycarpus James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3714 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC87  Acmispon gracilis Amos Arthur Heller 1902-6-24 5754 Sonoma Near Burke's Sanitarium Comment
  UCD104289  Acmispon parviflorus Botany 102 Students 1993-4-24 93 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail, S of Sonoma Creek. 411 Comment
  UCD104338  Acmispon parviflorus R. Tofsrud 1951-5-20 s.n. Sonoma Dunbar School near Kenwood. Comment
  CAS-BOT-BC30278  Adenocaulon bicolor Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road, 3 miles east of Stewarts Point Comment
  CAS-BOT-BC139922  Adenostoma fasciculatum Walter Knight; Irja Knight 1963-12-27 462 Sonoma Summit, Pine Flat Rd. Comment
  JEPS128359  Adiantum jordanii Roger Raiche 2000-3-11 003 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC9074  Aegilops triuncialis Thomas C. Fuller 1960-6-14 4485 Sonoma James Black property, River Road, ca. 6 mi. E/Cloverdale Comment
  CDA1677  Aegilops triuncialis T. C. Fuller 1960-6-14 4485 Sonoma J. Black Ranch, River Road, ca. 6 miles E/ Cloverdale. 0 Comment
  POM136963  Aesculus californica A. A. Heller 1902-6-4 8924 Sonoma Santa Rosa. Comment
  CAS-BOT-BC202703  Aesculus californica Margot Lowry 1983-5-5 27 Sonoma 1 mi from top of Sonoma Mtn Rd on Sonoma Mtn. 500 Comment
  SEINET12237640  Aesculus californica F. H. Utech 1986-1 86 -103 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  CAS-BOT-BC210115  Agoseris Peter Rubtzoff 1974-5-26 7470 Sonoma Vernal pool on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  CHSC8156  Agoseris apargioides M. Banning 1969-5-10 116 Sonoma 2 mi N. Bodega Bay on Hwy 1, roadside. 30 Comment
  CAS-BOT-BC29572  Agoseris apargioides var. eastwoodiae Alice Eastwood 1915-6-29 4893 Sonoma Bodega Point Comment
  CAS-BOT-BC368034  Agoseris grandiflora Greg de Nevers 1998-6-20 11291 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along creek below Rogers Apple Orchard. 400 Comment
  CAS-BOT-BC15351  Agoseris grandiflora var. grandiflora John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53957 Sonoma Fairfield Osborn preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on west slope of Sonoma Mountain 457 Comment
  RSA785752  Agrostis Peter Rubtzoff 1971-6-29 6580 Sonoma Pitkin Marsh, near Forestville Comment
  RSA785902  Agrostis Peter Rubtzoff 1964-7-14 5403 Sonoma Bennett Mtn. Lake Comment
  RSA785905  Agrostis Peter Rubtzoff 1967-8-22 5855 Sonoma SE of Lower Salmon Creek Marsh Comment
  UCD166331  Agrostis Peter Rubtzoff 1968-6-19 5889 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  RSA129634  Agrostis H. S. Yates 1936-4-3 5574 Sonoma 1 mile NE of Petrified Forest. 305 Comment
  UC1100113  Agrostis alba Herbert L. Mason 1946-7-4 12888 Sonoma between Santa Rosa and Forestville Forestville (Pitkin Marsh); Pitkin Marsh Comment
  UCD51839  Agrostis blasdalei Beecher Crampton 1957-7-22 4390 Sonoma above Stillwater Cove, State Hwy. 1, 11.1 miles south Stewart's Point. Comment
  UCD37148  Agrostis densiflora Beecher Crampton 1957-7-11 4320 Sonoma Sonoma County, 0.5 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD51887  Agrostis densiflora Beecher Crampton 1957-7-11 4331 Sonoma Sonoma Coast State Park, 0.9 miles north of Salmon Creek. Comment
  UCD52010  Agrostis densiflora Beecher Crampton 1957-7-22 4360 Sonoma 5.3 miles north of Stewart's Point, State Hwy. 1. Comment
  CAS-BOT-BC361400  Agrostis elliottiana Greg de Nevers 1993-5-6 10437 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd., at Weimar Flat 457 Comment
  CAS-BOT-BC126960  Agrostis exarata Greg de Nevers 1992-6-26 10208 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  CAS-BOT-BC126965  Agrostis exarata Greg de Nevers 1992-6-26 10208 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  CAS-BOT-BC126972  Agrostis exarata G. DeNevers 1981-5-23 1288 Sonoma Pepperwood Ranch. Lower Pepperwood entrance. BLM. Comment
  POM207134  Agrostis exarata A. A. Heller 1902-6-4 5641 Sonoma Santa Rosa Comment
  UC1146692  Agrostis exarata Freed W. Hoffman 1943-10-2 2171 Sonoma on Ross Road near Graton; North Coast Ranges Comment
  UC1153924  Agrostis exarata Beecher Crampton 1957-7-22 4361 Sonoma along State Highway 1 8.0 mi n Stewart's Point Comment
  UCD52116  Agrostis exarata Beecher Crampton 1955-6-17 2943 Sonoma 4.5 miles S of Cazadero. Comment
  UCD53510  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UC1146695  Agrostis hallii Freed W. Hoffman 1941-6-20 2093 Sonoma near Camp Meeker (Oregon Canyon); North Coast Ranges, Oregon Canyon Comment
  UCD52701  Agrostis hallii Beecher Crampton 1955-6-17 2958 Sonoma 6 miles west of Cazadero, road to Fort Ross. Comment
  RSA129611  Agrostis microphylla H. S. Yates 1937-5-30 6550 Sonoma 1/2 mile E of Occidental 91 Comment
  UC1011026  Agrostis microphylla Virginia Bufford 1936-5-20 342 Sonoma Kellogg Mark West Road 3 mi from Mark West Comment
  UCD33096  Agrostis microphylla Beecher Crampton 1966-5-10 7727 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  UCD53048  Agrostis microphylla Beecher Crampton 1969-7-14 8494 Sonoma The Geysers, 12 miles (in direct line) east of Cloverdale. Comment
  UCR280134  Agrostis microphylla Peter Rubtzoff, H. A. Froebe 1971-5-30 6501 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Road Comment
  HSC100967  Agrostis microphylla Peter Warner, Sarah Gordon 2011-5-27 206 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), ~675 m, N75 deg. E from main residence, E from Mark West Creek Rd., S of 2nd bridge below power lines. 53 Comment
  CAS-BOT-BC139121  Agrostis oregonensis Peter Rubtzoff 1951-6-16 254 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC138917  Agrostis pallens G. DeNevers 1981-6-15 1519 Sonoma Pepperwood Ranch. Lower Pepperwood entrance. Comment
  UCD53084  Agrostis pallens Mary M. Hektner 1975-6-2 196 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC1023594  Agrostis scabra Virginia Bufford 1936-5-20 346 Sonoma 3 mi from Mark West (Kellogg Mark West Rd) Comment
  CDA28145  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Coast; 5 miles south of Stewart s ( Steward ) Point Comment
  OBI35897  Agrostis stolonifera David J. Keil 1983-6-30 17212 Sonoma Stillwater Cove Regional Park Comment
  SEINET4342106  Agrostis stolonifera J. B. Davy 1899-7-22 6003 Sonoma Guerneville Comment
  UCD53477  Agrostis stolonifera var. maritima P. B. Kennedy 1916-7-17 325 Sonoma Del Mar. Comment
  SEINET11689067  Aira praecox H. K. Wagnon 1989-1 1873 Sonoma Salt Pt. State Park 0 Comment
  SEINET3917482  Aira praecox Fred W. Hoffman 1944-5-22 1992 Sonoma Cruz Ranch, Sonoma Coast near shore.; 0 Comment
  CAS-BOT-BC257361  Alisma Peter Rubtzoff 1977-8-12 9114 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA800349  Alisma lanceolatum Peter Rubtzoff 1977-8-12 9114 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC445337  Alisma lanceolatum Peter Rubtzoff 1961-6-17 4626 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC445468  Alisma triviale Peter Rubtzoff 1963-7-14 5199 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC445469  Alisma triviale Peter Rubtzoff 1962-9-9 5076 Sonoma Brooks Gulch Marsh. Comment
  UCR279621  Alisma triviale Peter Rubtzoff 1975-8-16 8326 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 363 Comment
  CAS-BOT-BC344923  Allium Peter Rubtzoff; Elizabeth S. Lennon 1974-6-8 7571 Sonoma Forestville Marsh. Comment
  JEPS128306  Allium amplectens Roger Raiche 2009-4-30 027 .09 Sonoma The Cedars. Lower Russian River, East Austin Creek watershed. Comment
  SEINET181187  Allium amplectens Bassett Maguire, R Maguire; C. B. Maguire 1934-6-7 15081 Sonoma 2 mi N of Geyserville Comment
  CAS-BOT-BC469101  Allium dichlamydeum Dorothy Scherer 1996-6-3 045 Sonoma 1 mile north of park headquarters, Fort Ross State Historic Park 12 Comment
  SEINET5502059 Image available Allium dichlamydeum Sally Walker 1982-1 s.n. Sonoma Duncans landing Comment
  JEPS77859  Allium hickmanii Robert M. Lloyd 1965-5-8 3624 Sonoma 3 mi n. of junction with Aqua Caliente Road Highway 12 (meadow across from Lawrence Triangle End Garage) Comment
  UC1084425  Allium peninsulare var. franciscanum G. Thomas Robbins 1938-7-4 271 Sonoma ocean cliffs ca. 3 mi. n. Bodega Bay Comment
  CAS-BOT-BC475434  Allium sativum Mary P. Wells 1985-7-1 523 Sonoma Dike of Ducker Creek, Rincon Valley, Santa Rosa Comment
  POM272871  Allium triquetrum Boone Hallberg 1947-4-12 220 Sonoma Half mile SE of Graton. 91 Comment
  CAS-BOT-BC474314  Allium unifolium G. DeNevers 1981-5-9 1073 Sonoma In the Oak Woodland Canyon between the two streams draining to the Redwood Canyon Comment
  SEINET197632  Allium unifolium G. Thomas Robbins 1951-4-24 3387 Sonoma Bennett Valley, about 3 miles southeast of Santa Rosa. Comment
  CAS-BOT-BC451307  Allotropa virgata Greg de Nevers 1991-6-22 9752 Sonoma Pepperwood Natural Preserve., 33450 Franz Valley Road 475 Comment
  SEINET7220232  Allotropa virgata W. Roderick 1967-6-18 s.n. Sonoma Ida Clayton Rd. NW side of Mt. St. Helena 610 Comment
  CAS-BOT-BC169654  Alnus rhombifolia Peter Rubtzoff 1960-6-10 4497 Sonoma Fife Creek Marsh Comment
  POM106478  Alnus rubra Marcus E. Jones 1882-7-17 3484 Sonoma Duncan's Mills. Comment
  CAS-BOT-BC138044  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1951-6-10 200 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower marshes. Comment
  RSA126163  Amaranthus hybridus J. T. Howell 1946-8-17 s.n. Sonoma Cunningham Comment
  CAS-BOT-BC44968  Ambrosia chamissonis Mary P. Wells 1982-7-4 s.n. Sonoma Pebble Beach, The Sea Ranch Comment
  CAS-BOT-BC366872  Amelanchier pallida Greg de Nevers 1998-4-27 11198 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  UC58118  Amelanchier utahensis A. A. Heller 1903-4-24 6617 Sonoma woods near Cazadero Comment
  CAS-BOT-BC154139  Ammannia Peter Rubtzoff 1972-8-26 6860 Sonoma Laguna, Chileno Valley. Comment
  UCD166254  Ammannia robusta Peter Rubtzoff 1970-8-18 6307 Sonoma 5 miles north of Sears Point. 11 Comment
  JEPS13275  Ammi majus Rimo Bacigalupi with G. T. Robbins 1955-7-14 5294 Sonoma 5.3 mi. s. (El Verano junction is 1 mi. w. of Schellville) El Verano junction (along CA State Hwy. 37) 3 Comment
  CAS-BOT-BC137887  Ammophila arenaria Catherine Best 1981-5-2 s.n. Sonoma On the south side of the mouth of the Russian River. Comment
  SEINET3917971  Ammophila arenaria K. Thorne 1984-11-21 3659 Sonoma Sea Ranch, 2.5 mi S of Gualala, stabilized coast dunes old sheep ranch.; 0 Comment
  POM161569  Amorpha californica var. napensis R. C. Bacigalupi 1927-9-3 s.n. Sonoma 2 miles NW of Cazadero on road to Sea View Comment
  CAS-BOT-BC222282  Amsinckia John Thomas Howell 1934-3-26 11786 Sonoma Southwestern base of Mt. Hood Comment
  CAS-BOT-BC26970  Amsinckia viridifolia Alice Eastwood 1921-5-8 10484 Sonoma Petaluma Comment
  UCD117551  Anagallis arvensis Rene Westbrook 1976-4-15 16 Sonoma California: Bodega Head. Comment
  CAS-BOT-BC137788  Andropogon virginicus var. virginicus J. Bufford 1936-9-8 s.n. Sonoma Pitkin Marsh, Vine Hill District. Comment
  CAS-BOT-BC137789  Andropogon virginicus var. virginicus Peter Rubtzoff 1951-9-15 754 Sonoma Pitkin Marsh, near Forestville. Area Separating the western branch of the Upper Marsh from the eastern. Comment
  JEPS16078  Angelica hendersonii W. L. Jepson 1931-7-19 15940 Sonoma Salmon Creek 12 Comment
  CDA38224  Angelica hendersonii T. C. Fuller 1957-9-24 397 -57 Sonoma Jenner. 0 Comment
  CAS-BOT-BC271434  Anisocarpus madioides Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 3 mile seast of Stewarts Point Comment
  CAS-BOT-BC271441  Anisocarpus madioides Mary P. Wells 1981-4-18 s.n. Sonoma Near So. Fork Gualala R., the Sea Ranch Comment
  SBBG21185  Anthemis cotula V. Haraden 1941-7-13 7 Sonoma ca. 1 mi N of the head of Bodega Bay Comment
  UCR118997  Anthoxanthum aristatum Beecher Crampton 1955-4-5 2412 Sonoma Santa Rosa Area, 3 miles northeast of Trenton, 3 miles southwest of Windsor, Starr Road, near Starr School, along Windsor Creek 91 Comment
  UCD150839  Anthoxanthum aristatum subsp. aristatum Ayzik Solomescsh 2009-5-14 s.n. Sonoma Sonoma County, 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Comment
  CAS-BOT-BC280665  Anthoxanthum occidentale John Thomas Howell 1930-7-27 5396 Sonoma 1 mile north of Ft. Ross Comment
  CAS-BOT-BC280660  Anthoxanthum occidentale Catherine Best 1985-2-10 1064 Sonoma About .5 miles north of Occidental on the road parallel to the Bohemian Hwy. Comment
  SEINET3918446  Anthoxanthum odoratum Fred W. Hoffman 1941-6-15 2150 Sonoma North Coast Ranges. Eckert Ranch near Salt Point, Sonoma Coast.; 0 Comment
  UCD151257  Antirrhinum virga James A. Neilson Jr. 1974-7-10 2833 Sonoma Mayacmas Mountains. South of Little Geysers. 731 Comment
  CAS-BOT-BC447697  Aphanes occidentalis Peter H. Raven 1954-2-27 6422 Sonoma Cavedale Rd., ca. 3 miles n. of Boyes Springs, Sonoma Valley. Comment
  CAS-BOT-BC457591  Aphanes occidentalis G. DeNevers 1981-4-23 796 Sonoma Pepperwood Ranch, Pippindale Farm, Pippindale Garden. Comment
  RSA134224  Aphanes occidentalis Peter H. Raven, H. L. Mason 1957-3-23 10529 Sonoma Grassy hillside 1.1 miles S of Mendocino County line on State Hwy 128, N of Cloverdale Comment
  UC874555  Apium graveolens Marcus E. Jones, A. M. 1882-7-17 3604 Sonoma Duncan Mills Comment
  CAS-BOT-BC17341  Arabis blepharophylla Roxana S. Ferris; D. H. Morey 1958-4-10 13335 Sonoma Summit of Bodega Head. Comment
  CAS-BOT-BC128622  Arbutus menziesii J. W. Congdon 1880-10-14 s.n. Sonoma Healdsburg Comment
  SEINET7258086  Arbutus menziesii L. Fallon 1939-1-2 s.n. Sonoma 15 miles west of Santa Rosa Comment
  UCD67496  Arbutus menziesii D. Sanchez-Mata 1996-4-16 s.n. Sonoma Mercuryville-Jimtown. Gird Creek. 350 Comment
  RSA629203  Arctostaphylos Jon E. Keeley 1993-9-11 24780 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388374  Arctostaphylos Freed W. Hoffman 1947-3-9 807 Sonoma serpentine outcrop ne Camp Meeker; North Coast Ranges Comment
  UC526220  Arctostaphylos John Thomas Howell 1931-3-14 5773 Sonoma Vine Hill District Comment
  UC1388323  Arctostaphylos X candidissima Freed W. Hoffman 1947-9-29 505 Sonoma headwaters of creek North Coast Ranges, Main Austin Creek, Layton Mine Comment
  CAS-BOT-BC25322  Arctostaphylos bakeri Gladys L. Smith 1977-3-30 4652 Sonoma Summit area of Harrison Grade, serpentine outcrop 457 Comment
  UC518012  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10956 Sonoma 2 mi e Occidental Comment
  CDA38595  Arctostaphylos bakeri Jim Jokerst, Virginia Getz 1988-3-16 3049 Sonoma Healdsburg near water reservoir across highway from Simi Winery. 0 Comment
  SBBG33672  Arctostaphylos bakeri subsp. bakeri C. Bornstein, E. Collins 2006-8-23 Sonoma Harrison Grade Rd, ca. 1 mi S of jct with Green Valley Rd 158 Comment
  UCD50474  Arctostaphylos bakeri subsp. bakeri Roman Gankin; W. R. Hildreth 1967-10-4 1074 Sonoma Harrison Grade Road, near summit, east of Occidental. Comment
  UCD55064  Arctostaphylos canescens subsp. canescens Ellen Dean; California Department of Forestry Personnel 2006-4-26 3002 Sonoma Top of Mt. St. Helena. 1319 Comment
  HSC7612  Arctostaphylos canescens subsp. canescens Freed W. Hoffman 1948-5-10 2677 Sonoma E face Cobb Mtn. 1220 Comment
  JEPS73686  Arctostaphylos canescens subsp. sonomensis L. R. Heckard 1968-2-25 1754 Sonoma along Cavedale Road about 5 mi from its junction with Sonoma-Kenwood Road (western slope of Hooker Canyon (head of)); w slope of Hooker Canyon (head of) 548 Comment
  RSA74468  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1933-3-18 7331 Sonoma Rincon Ridge, 2 mi. NE of Santa Rosa. Comment
  UC549709  Arctostaphylos canescens subsp. sonomensis J. E. Adams 1935-3-1 1024 Sonoma e Sta. Rosa; Rincon Ridge Comment
  UC876542  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1936-10 8622 Sonoma halfway to summit Rutherford-Glen Ellen Road Comment
  RSA202104  Arctostaphylos canescens var. candidissima Freed W. Hoffman 1948-5-10 2677 Sonoma East face Cobb Mt. 1220 Comment
  CAS-BOT-BC23645  Arctostaphylos columbiana E. K. Balls; P. C. Everett 1953-10-9 18603 Sonoma .2 mi. n.w. of Ocean Cove, Hwy 1 between Fort Ross and Point Arena, 5 mi. n.w. of Fort Ross 91 Comment
  POM202851  Arctostaphylos columbiana J. T. Howell 1934-3-3 11743 Sonoma Between Fort Ross and Stewart's Point. Comment
  SEINET11984905  Arctostaphylos columbiana R. Gankin, Hildreth, W. R.; Milam, K. 1965-1 496 Sonoma 0.1 mi N of Timber Cove, E of CA 1 Comment
  CAS-BOT-BC24977  Arctostaphylos densiflora Walter Knight; Irja Knight 1980-12-23 3858 Sonoma From California Native Plant Society's Preserve on Vine Hill School Road. Near Graton. Comment
  RSA107817  Arctostaphylos densiflora L. S. Rose 1955-2-28 55003 Sonoma Vine Hill, 9 mies W of Santa Rosa Comment
  SBBG25391  Arctostaphylos densiflora R. Gankin 1957-11-1 247 Sonoma Vine Hill School Rd, 0.1 mi E of jct with Vine Hill Rd, ca. 10 mi W of Santa Rosa Comment
  SBBG28862  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma near Vine Hill School House Comment
  UC909875  Arctostaphylos densiflora J. E. Adams 1934-3-28 722 Sonoma Vine Hill School Sta. Rosa Comment
  SEINET11987266  Arctostaphylos densiflora J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4098 Sonoma Strybing Arboretum, San Francisco, via Edmunds Nursery orig from Vine Hill District, near Sebastopol Comment
  UCD162188  Arctostaphylos glandulosa D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1523 Sonoma Hooker Creek watershed. 520 Comment
  CAS-BOT-BC23286  Arctostaphylos glandulosa subsp. cushingiana Walter Knight; Irja Knight 1986-3-23 5367 Sonoma On Geysers Road near Mercuryville at junction of private road to Sulphur Peak. 822 Comment
  CAS-BOT-BC23325  Arctostaphylos glandulosa subsp. cushingiana C. Hart Merriam 1907-7-27 s.n. Sonoma Mt. St. Helena, Knights Valley slope Comment
  RSA631189  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24724 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  JEPS79450  Arctostaphylos glandulosa subsp. glandulosa Edward Lee with W. A. Setchell 1936-6-7 2198 Sonoma s ridge Bohemian Grove (fire trail) Comment
  UC1120203  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-3-8 1569 A Sonoma 1 1/2 mi n County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  CAS-BOT-BC24722  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight; Stephen W. Edwards 1985-1-27 5170 Sonoma S. of Mt. Tam. 5.1 mi. w. on kelly Road from Rockpile Road junction. 609 Comment
  RSA631187  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24725 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UCD50864  Arctostaphylos hispidula Roger Raiche 1984-2-26 RR 40044 Sonoma ca. 9.1 miles north of origin of Skaggs Springs-Stewarts Point Road on Rockpile Road. 502 Comment
  CAS-BOT-BC39109  Arctostaphylos hispidula Walter Knight; Irja Knight; P. V. Wells 1985-12-30 6325 Sonoma Rockpile Road above Lake Sonoma Comment
  CDA11186  Arctostaphylos manzanita G. F. Hrusa 1989-1-2 5803 Sonoma North Coast Biodiversity Arena; NW side of Mt. St. Helena near summit of Chalk Mtn. off Ida Clayton Rd. Comment
  OBI5724  Arctostaphylos manzanita H. F. Copeland 1933-3-18 A 13 Sonoma Vine Hill region on College Ave hwy, near Santa Rosa Comment
  RSA633062  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 23713 Sonoma Along Calistoga Road, 18 km southwest of Highway 128. 220 Comment
  UCD151132  Arctostaphylos manzanita James A. Neilson Jr. 1973-6-6 2950 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  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
  RSA633053  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27485 Sonoma Lake Sonoma Overlook off Stewarts Road. 250 Comment
  SEINET11990965  Arctostaphylos manzanita Unknown 1983-1 30475 Sonoma Morrison Ridge above Gilliam Creek, East Austin Creek State Recreation Area 274 Comment
  SEINET11990966  Arctostaphylos manzanita Unknown 1983-1 30499 K Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11998364  Arctostaphylos manzanita subsp. bakeri W. Knight, Knight, I.; Wells, P. V. 1985-1 6379 Sonoma Vine Hill School Rd, on CNPS Preserve 91 Comment
  CAS-BOT-BC38901  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7942 Sonoma Mt. St. Helena Comment
  UC84708  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1902-9-9 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38920  Arctostaphylos manzanita subsp. glaucescens Walter Knight; Irja Knight 1987-2-5 6083 Sonoma Pepperwood Preserve, Garrison Canyon 121 Comment
  SEINET11994915  Arctostaphylos manzanita subsp. glaucescens W. Knight, Knight, I. 1987-1 6083 Sonoma Pepperwood Preserve, Garrison Canyon 122 Comment
  CAS-BOT-BC38679  Arctostaphylos manzanita subsp. manzanita Steve Edwards; Roger Raiche; Walter Knight; Irja Knight 1983-7-3 4752 Sonoma The Cedars, near Cazadero 274 Comment
  CAS-BOT-BC38713  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1952-3-22 870 Sonoma Open area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC38724  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1928-4-18 2961 Sonoma Vine Hill Region Comment
  RSA121837  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1936-9-19 708 Sonoma 1/2 mile E. of Graton, Sebastopol. 61 Comment
  SBBG60025  Arctostaphylos manzanita subsp. manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 mi W of Santa Rosa Comment
  UC1121476  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1938-10-29 832 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC674749  Arctostaphylos manzanita subsp. manzanita E. A. Goldman 1907-12-29 75 Sonoma Mt. St. Helena Comment
  UC902047  Arctostaphylos manzanita subsp. manzanita Joseph P. Tracy 1949-3-13 18271 Sonoma along creek w Knights Valley; Mayacamas Creek 152 Comment
  UC909843  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-28 729 Sonoma rd. to Cazadero Seaview Comment
  CAS-BOT-BC38719  Arctostaphylos manzanita subsp. manzanita William R. Dudley 1893-2-1 s.n. Sonoma L. A. Jr. Arboretum Comment
  CAS-BOT-BC45398  Arctostaphylos nummularia Mary P. Wells 1983-8-3 154 Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch. Comment
  JEPS98844  Arctostaphylos stanfordiana unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  LA42284  Arctostaphylos stanfordiana H. F. Copeland; 1933-3-18 A 6 Sonoma Rincon Ridge, near Santa Rosa Comment
  RSA636818  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24740 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC424812  Arctostaphylos stanfordiana Milo S. Baker 1930-2-21 3878 a Sonoma Rincon Ridge Comment
  UC480592  Arctostaphylos stanfordiana Carl Meyer 1928-3-3 302 Sonoma Santa Rosa Comment
  UC535025  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 6 Sonoma near Santa Rosa; Rincon Ridge Comment
  UCD53847  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 686 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road; 3.1 miles east of junction with State Highway 12. Comment
  SEINET11984940  Arctostaphylos stanfordiana Unknown 1966-1 691 Sonoma S of Hooker Canyon at point directly opposite canyon from Cavedale Rd, 3.1 mi E of junction of CA 12 Comment
  SEINET11989085  Arctostaphylos stanfordiana Unknown 1982-1 20301 F Sonoma King Ridge Rd (4.5 mi N of jct Ft Ross Rd) about 0.7 mi in from King Ridge Rd on Old Layton Mine Rd Comment
  SEINET11989086  Arctostaphylos stanfordiana Unknown 1982-1 20301 D Sonoma King Ridge Rd (4.5 mi N of jct Ft Ross Rd) about 0.7 mi in from King Ridge Rd on Old Layton Mine Rd Comment
  JEPS95227  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  SBBG100093  Arctostaphylos stanfordiana subsp. decumbens J. Guggolz, B. Guggolz 1985-6-10 838 Sonoma just outside Conservation Easement at the end of Bluesage Court in Southridge Development Comment
  POM181015  Arctostaphylos stanfordiana subsp. stanfordiana J. T. Howell 1931-3-14 5771 Sonoma Vine Hill District Comment
  UC549533  Arctostaphylos uva-ursi J. E. Adams 1934-6-9 826 Sonoma 1 mi s McNamees Store Comment
  POM209633  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-18 A- 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa. Comment
  CAS-BOT-BC137563  Aristida oligantha Greg de Nevers 1987-7-10 8234 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa. 400 Comment
  UC1135994  Aristolochia californica H. S. Yates 1934-4-22 3850 Sonoma 3 mi. e. Mark West; Calistoga Quad. Comment
  CAS-BOT-BC400485  Aristolochia californica Peter Rubtzoff 1951-8-26 673 Sonoma Hills south of Guerneville (Neeley Hill area) Comment
  HSC3260  Aristolochia californica James Faro 1962-4-22 5 Sonoma S side of Lake Ralphine in Santa Rosa Comment
  SEINET11933459  Armeria maritima var. californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -145 Sonoma between Salmon Creek & Cormet, junction Coleman Valley Road & CA 1 12 Comment
  CDA11042  Arnica discoidea G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 11422 Sonoma North Coast Biodiversity Arena; Cavedale Rd. 2.5 m. E of Hwy 12. Comment
  UC29614  Arnica discoidea J. Burtt Davy 1896-7-1 4130 Sonoma near, (ridge above Smith's Valley) Guerneville; Russian River, Smith's Valley Comment
  RSA129574  Arrhenatherum elatius H. S. Yates 1937-5-30 6557 Sonoma 1 1/2 miles N of Freestone. Comment
  CAS-BOT-BC90863  Artemisia pycnocephala D. E. Breedlove 1961-12-31 1438 Sonoma Sand dunes at mouth of Russian River 3 Comment
  POM31359  Artemisia suksdorfii Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC368057  Arum italicum Greg de Nevers 1998-5-20 11254 Sonoma Mark West Creek on Cresta Ranch Comment
  CAS-BOT-BC400604  Asarum caudatum Peter Rubtzoff 1951-6-17 284 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  UC449988  Asclepias fascicularis Harriet A. Walker 1908-6-7 1164 Sonoma Santa Rosa Comment
  SEINET10742133  Asclepias solanoana Helen K. Sharsmith 1952-6-18 Sharsmith 4128 Sonoma Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains 975 Comment
  CAS-BOT-BC478543  Asparagus officinalis Walter Knight; Irja Knight 1961-8-26 4726 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC157688  Asteraceae Peter Rubtzoff 1969-6-15 6085 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  NY5343  Astragalus breweri W. H. Brewer 1860-1 974 Sonoma Sonoma Valley. Comment
  CAS-BOT-BC186742  Astragalus gambelianus Greg de Nevers; Frank Almeda 1987-4-11 8141 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC186821  Astragalus gambelianus Helen D. Geis 1902-8-1 s.n. Sonoma Pluton Creek Bed Comment
  CAS-BOT-BC186826  Astragalus gambelianus G. DeNevers 1981-4-25 833 Sonoma Lower Pepperwood entrance Comment
  CAS-BOT-BC66156  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  UCD114253  Athysanus pusillus L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  UC604106  Atriplex leucophylla Milo S. Baker 1938-6-6 9016 Sonoma beach Salmon Creek Comment
  UCD97497  Atriplex leucophylla P. G. Connors 1991-6-17 162 Sonoma Bodega Marine Laboratory. Comment
  UCD143729  Atriplex leucophylla Mary M. Hektner 1976-12-14 276 Sonoma Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET10514072  Avena fatua A. Arthur Heller 1902-4-9 Heller 5251 Sonoma In a railroad cut 3 miles south of Healdsburg. Comment
  CAS-BOT-BC68339  Azolla filiculoides Peter Rubtzoff 1962-10-9 5113 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC68341  Azolla filiculoides Peter Rubtzoff 1961-6-23 4653 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC154996  Baccharis douglasii Peter Rubtzoff 1955-9-10 2130 Sonoma Guerneville Marsh. Comment
  RSA784562  Baccharis douglasii Peter Rubtzoff 1958-8-23 3918 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  JEPS40663  Baccharis glutinosa W. L. Jepson 1921-9-12 9481 Sonoma Alexander Valley 45 Comment
  UCR279607  Baccharis glutinosa Peter Rubtzoff 1955-9-10 2130 Sonoma North Coast Ranges, Guerneville Marsh 15 Comment
  UC527411  Baccharis pilularis Carl B. Wolf and E. R. Johnson 1934-10-13 Sonoma 2 4/10 mi n of mouth of Russian River 60 Comment
  HSC2223  Baccharis pilularis subsp. pilularis C. B. Wolf, E. R. Johnson 1934-10-13 6181 Sonoma 2 4/10 miles N of mouth of Russian River Comment
  UC581763  Baccharis salicifolia subsp. salicifolia Joseph P. Tracy 1932-5-8 9900 Sonoma Geyserville North Coast Ranges, Russian River 152 Comment
  RSA796694  Barbarea Peter Rubtzoff 1989-3-13 9981 Sonoma Near Russian River, ca. 6 mi east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC145837  Beckmannia syzigachne Peter Rubtzoff 1958-7-5 3740 Sonoma Atascadero Creek Marsh. Comment
  POM206249  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennet Valley, southeast of Santa Rosa. Comment
  UCD56788  Beckmannia syzigachne Hursh 1919-8-14 X 3245 Sonoma Healdsburg. Comment
  CAS-BOT-BC102053  Bidens cernua Peter Rubtzoff 1951-9-15 760 Sonoma Pitkin Marsh, near Forestville; Lower part of the Upper Marsh Comment
  SJSU6039  Bidens frondosa C. W. Sharsmith 1972-6-24 7811 Sonoma Laguna de Santa Rosa N of Sebastopol, E of Graton Comment
  UCR248917  Bidens frondosa Peter Rubtzoff 1961-8-24 4712 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River 3 Comment
  RSA0020350  Bidens frondosa Peter Rubtzoff 1960-9-14 4528 Sonoma Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville roads. Comment
  UCR250384  Bidens laevis Peter Rubtzoff 1955-11-27 2170 Sonoma Bodega Head Marsh 2 Comment
  CAS-BOT-BC100254  Blennosperma bakeri John Thomas Howell 1949-4-6 25303 Sonoma Low field southwest of Sonoma. Type locality. Comment
  SD51682  Blennosperma bakeri M. S. Baker 1946-4-2 11307 Sonoma Western outskirts of Sonoma in hog wallow about 0.25 mile south of Napa Street, in field on east side of street. Comment
  SEINET3074489  Blennosperma bakeri M. S. Baker 1946-1 Sonoma Comment
  UC1224619  Blennosperma bakeri Peter H. Raven 1963-4-28 18251 Sonoma 4.7 mi s of, on Arnold Drive El Verano Comment
  UC30585  Blennosperma nanum var. nanum F. T. Bioletti 1893-4-1 Sonoma Kenwood Comment
  CAS-BOT-BC105957  Blennosperma nanum var. nanum Ruth Hass 1975-3-9 s.n. Sonoma Near Summerfiled Road near Bennett Valley, se. of Santa Rosa Comment
  UC337456  Blennosperma nanum var. nanum J. G. Lemmon 1888-3-1 Sonoma Warner's Ranch, Healdsburg Comment
  CAS-BOT-BC154968  Boisduvalia Peter Rubtzoff 1970-8-19 6328 Sonoma Austin Creek beach, 3.5 miles S of Cazadero Comment
  CAS-BOT-BC154868  Boisduvalia Peter Rubtzoff 1974-5-26 7491 Sonoma 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC154969  Boisduvalia Peter Rubtzoff 1971-6-23 6541 Sonoma 4.25 miles W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC154953  Boisduvalia densiflora Peter Rubtzoff 1954-9-6 1739 Sonoma Guerneville Marsh. Comment
  RSA790717  Boisduvalia densiflora Peter Rubtzoff 1960-9-14 4556 Sonoma Laguna de Santa Rosa area NE of Graton (near Laguna Road). Comment
  RSA80693  Boisduvalia densiflora F. W. Peirson 1925-8-8 6338 Sonoma Roadside 6 miles south of Santa Rosa Comment
  CAS-BOT-BC28177  Bolboschoenus fluviatilis Peter Rubtzoff 1961-9-20 4758 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road crossing. Comment
  CAS-BOT-BC75486  Bolboschoenus glaucus John Thomas Howell 1987-5-17 s.n. Sonoma Llano Road Marsh. Comment
  CAS-BOT-BC500694  Bolboschoenus maritimus Peter Rubtzoff 1954-7-26 1557 Sonoma Lower Salmon Creek Marsh Comment
  UC20854  Bowlesia incana Bolander 1866-4-11 4633 Sonoma Petaluma Comment
Read comments
Mar 13 2009
  CAS-BOT-BC371427  Boykinia occidentalis Greg de Nevers 1996-6-10 10830 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Mark West Creek below Leslie Creek 400 Comment
  POM142185  Boykinia occidentalis Michener, Bioletti 1893-06 13 Sonoma Adobe Canyon Comment
  UCD102605  Boykinia occidentalis K. Esau 1933-7-7 s.n. Sonoma Near Petrified Forest, Calistoga. Comment
  CAS-BOT-BC145445  Brachypodium distachyon G. DeNevers 1981-5-14 1151 Sonoma Pepperwood Ranch. Small canyon north of Pippindale pond, draw. Comment
  CDA31298  Brachypodium distachyon D. G. Kelch, Ed Biffin 2010-5-3 10 .213 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  SEINET10480785  Brassica nigra David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-9 Dunn 20710 Sonoma Collected 5.3 mi e of the jct of hwy 101 and hwy 116 on 116. Rolling hills of grasses. Along the roadside in clay banks. Comment
  CAS-BOT-BC36652  Brassica oleracea Mary P. Wells 1989-4-3 977 Sonoma Santa Rosa. Rincon Valley. Streamside of fence east of Friends House. Comment
  CAS-BOT-BC156310  Brassicaceae Peter Rubtzoff 1969-8-29 6168 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  CAS-BOT-BC182745  Brassicaceae Peter Rubtzoff 1969-6-15 6097 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol Comment
  CAS-BOT-BC145482  Briza maxima Peter Rubtzoff 1952-5-31 1098 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern. Comment
  JEPS45817  Briza maxima Eleanor Armstrong 1932-5-16 154 Sonoma 2 mi southeast of Camp Meeker on ridge 106 Comment
  RSA126876  Briza maxima H. S. Yates 1936-5-16 5606 Sonoma 1 mile S.E. of Forestville 30 Comment
  RSA143953  Briza maxima Roxana S. Ferris, Laura Lorraine 1961-6-14 13530 Sonoma Junction of Bittner Rd. with Joy Rd. between Occidental and Bodega. Comment
  UCR218634  Briza maxima George K. Helmkamp, E. A. Helmkamp 2010-6-4 16204 Sonoma North Coast Ranges, Mark West Springs Road, 1.7 rd. miles east of US-101, 2.5 air miles NE (75 deg. ) of Fulton 63 Comment
  CAS-BOT-BC145288  Briza minor Peter Rubtzoff 1951-6-9 154 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC145289  Briza minor John Thomas Howell 1935-5-5 12607 Sonoma Kenwood. Comment
  CDA36959  Briza minor 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
  SEINET10514426  Briza minor A. Arthur Heller 1902-6-7 Heller 5649 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC132210  Brodiaea californica var. leptandra Milo S. Baker 1927-6-16 2213 a Sonoma Adobe [canon] Canyon app Bush's house Comment
  JEPS27976  Brodiaea elegans subsp. elegans Rimo Bacigalupi and L. Heckard 1961-6-9 7733 Sonoma at junction of Joy Road and Bittner Road 1.75 mi sw Occidental 249 Comment
  CAS-BOT-BC484396  Brodiaea elegans subsp. elegans Peter Rubtzoff 1962-6-19 4931 Sonoma Occidental Marsh Comment
  CAS-BOT-BC486543  Brodiaea elegans subsp. elegans G. DeNevers 1981-6-1 1427 Sonoma Pepperwood Ranch by the Pippindale Garden Comment
  CHSC20586  Brodiaea stellaris Robert A. Schlising; Glenn Keator 1965-5-22 2825 Sonoma About 1 mile east of Occidental, along Graton Road. Comment
  JEPS128222  Brodiaea stellaris Roger Raiche 2000-5-4 060 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC486524  Brodiaea stellaris Barbara Menzies 1970-6-2 s.n. Sonoma Near Occidental Comment
  CAS-BOT-BC486457  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1971-6-5 6507 Sonoma Vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC149100  Bromus carinatus var. carinatus Peter Rubtzoff 1952-5-31 1100 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Uppe Marsh from the eastern. Comment
  UC1131045  Bromus carinatus var. carinatus H. S. Yates 1937-5-3 6566 Sonoma 1 1/2 mi ne of Petrified Forest 335 Comment
  CAS-BOT-BC149085  Bromus carinatus var. carinatus David L. Morgan 1961-4-26 s.n. Sonoma Marshall - Petaluma road 2 miles west of junction of Wilson Hill Road. Comment
  CAS-BOT-BC156276  Bromus catharticus Catherine Best 1982-6-30 s.n. Sonoma At Bodega Bay. Comment
  CAS-BOT-BC332750  Bromus commutatus Peter Rubtzoff 1974-6-2 7525 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC155667  Bromus diandrus John H. Thomas 1966-5-8 11597 Sonoma 1.4 mile west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. Comment
  UC1102639  Bromus diandrus P. Zinke 1950-4-23 110 Sonoma intersection of Big Sulphur Creek and Russian River (Outside National Forest, Cal. Forest and Range Experiment Station); Outside National Forest, Cal. Forest and Range Experiment St 152 Comment
  CAS-BOT-BC155207  Bromus hordeaceus David L. Morgan 1961-5-14 s.n. Sonoma Gold Ridge Road, 4 miles west of Sebastopol. Comment
  CAS-BOT-BC155250  Bromus hordeaceus John H. Thomas 1966-5-8 11596 Sonoma 1.4 miles west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. Comment
  UC1037113  Bromus hordeaceus Leo Whitney 1935-3-16 2264 Sonoma near Occidental (Orchard, Sutherland Ranch); Orchard, Sutherland Ranch Comment
  UCD58617  Bromus hordeaceus Beecher Crampton 1959-6-16 5370 Sonoma 0.2 miles E of Occidental. Comment
  UCD58836  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3558 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  SEINET3923003  Bromus japonicus Fred W. Hoffman 1941-7-5 2079 Sonoma Forestville, CA.; 0 Comment
  JEPS128385  Bromus laevipes Roger Raiche 2000-5-4 064 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD151079  Bromus laevipes James A. Neilson Jr. 1974-6-1 3007 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, ca. 3 1/2 mi. west of Whispering Pines, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  CAS-BOT-BC161583  Bromus sterilis John Thomas Howell 1967-6-17 42598 Sonoma Confluence of Galloway and Dry Creeks. 182 Comment
  CAS-BOT-BC185425  Bromus vulgaris K. Wagnon 1939-5-14 197 Sonoma Eastern edge of Wagnon's rock quarry 5 mile west of Sebastopol. Comment
  UCD57037  Calamagrostis bolanderi P. B. Kennedy 1915-7-1 s.n. Sonoma Del Mar. Comment
  SEINET3924023  Calamagrostis bolanderi Fred W. Hoffman 1943-6-20 2058 Sonoma Eckert Ranch near Salt Point, Sonoma Coast.; 0 Comment
  UCD57517  Calamagrostis nutkaensis Alan A. Beetle 1945-8-4 4012 Sonoma 10 miles north of Fort Ross. Comment
  CAS-BOT-BC185132  Calamagrostis nutkaensis Catherine Best 1984-6-11 973 -C Sonoma On a slope above the ocean at Goat Rock Park. Comment
  CAS-BOT-BC438600  Calandrinia ciliata Peter Rubtzoff 1953-5-16 1362 Sonoma Vacation Beach, near Guerneville. Bank of Russian River. Comment
  CAS-BOT-BC438613  Calandrinia ciliata Walter Knight; Irja Knight 1963-8-13 168 Sonoma Horseshoe Cove Comment
  UCD144659  Calandrinia ciliata Frederica Bowcutt 1996-3-24 2080 Sonoma Sugarloaf Ridge State Park; about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood and 18 air miles northwest of Napa. About 1/2 air miles S of Red Mtn, along Vista Trail. 563 Comment
  JEPS22790  Calendula arvensis Milo S. Baker 1946-4-2 11306 Sonoma 1 mi s of El Verano (at a road junction, w of Sonoma Creek) Comment
  POM273085  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma JOrchards and fields just east of Sonoma. Comment
  UC157875  Calochortus amabilis Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  UCD139486  Calochortus amabilis C. Wistrom 1996-5-26 23 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  UCD160844  Calochortus amabilis James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3360 Sonoma One-quarter mile south of Eagle Rock on Geysers Road, The Geysers. (Elevation and coordinates estimated by label maker.) 457 Comment
  CAS-BOT-BC483294  Calochortus amabilis Wayne Roderick 1967-5-20 s.n. Sonoma Ida Clayton Road, n.w. side of Mt. St. Helena 304 Comment
  RSA257007  Calochortus amabilis Gary D. Wallace, Larry E. DeBuhr 1972-5-24 1087 Sonoma 150 yds from Napa Co. line along Hwy 128. Comment
  CAS-BOT-BC492636  Calochortus luteus A. Day 1982-6-1 82 -62 Sonoma Pepperwood Ranch Comment
  JEPS55606  Calochortus luteus D. M. Hutt 1965-6-17 Sonoma raised at U.C. Botanical Garden Comment
  SEINET12049778  Calochortus luteus F. H. Utech 1986-1 86 -098 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  JEPS82291  Calochortus raichei Roger Raiche 1983-7-4 30473 Sonoma above Gilliam Creek; Morrison Ridge 243 Comment
  SEINET5093107  Calochortus raichei Unknown 1995-6-25 093 .95 Sonoma N of Cazadero; The Cedars; Red Slide Creek drainage; at the top of Red Slide Falls Comment
  UC72482  Calochortus tolmiei Milo S. Baker 1898-4-5 5 Sonoma Coast Road Comment
  UC672142  Calochortus uniflorus Herbert L. Mason 1928-4-13 4327 Sonoma near Petaluma Comment
  CAS-BOT-BC270705  Calycadenia multiglandulosa Roxana S. Ferris; Laura Lorraine 1961-6-14 13548 Sonoma Junction of Occidental Road with Facendini Lane Comment
  JEPS86803  Calycadenia multiglandulosa Jack and Betty Guggolz 1991-7-20 1209 Sonoma 2 mi nw of Camp Meeker 182 Comment
  UCD129847  Calycadenia pauciflora Gerald D. Carr 1972-9-11 731 Sonoma 1.0 mile west of Westside Road on Mill Creek Road, 2.5 miles southwest of Healdsburg. 106 Comment
  CAS-BOT-BC90994  Calycanthus occidentalis Peter Rubtzoff 1987-7-18 9798 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  OBI49312  Calycanthus occidentalis Michener & Bioletti, Bioletti Jun 1893 s.n. Sonoma Hoods Peak Comment
  RSA177998  Calycanthus occidentalis R. F. Thorne 1965-4-19 34301 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  POM97738  Calycanthus occidentalis Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  UCD137928  Calycanthus occidentalis C. Wistrom 1996-5-26 33 Sonoma Healdsburg, 1375 Dry Creek Road. 48 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
  UCSB915  Calypso bulbosa var. occidentalis Keator, Glenn 1959-4-1 Sonoma 0.3 miles west of Digger Indian Reservation; on Stewart's Point-Geyserville highway Comment
  OBI48779  Calyptridium quadripetalum L. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, ca. 9 mi ENE of Geyserville ; 1/2 mi N of the mine 914 Comment
  JEPS86302  Calystegia Jack and Betty Guggolz 1988-5-8 941 Sonoma Pine Flat Road, 7.9 miles from Highway 128 on east side of the road Comment
  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
  UC1794971  Calystegia R. K. Brummitt and T. F. Daniel 1997-5-31 19615 Sonoma 10 km NE of Santa Rosa, Pepperwood Ranch Natural Preserve, near of Bechtel Cabin. Comment
  JEPS111396  Calystegia purpurata subsp. purpurata Jack and Betty Guggolz 1997-6-23 1533 Sonoma North side of Kelly Road from one mile to two miles west of the Rockpile Road crossing 550 Comment
  JEPS18142  Calystegia subacaulis Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5664 Sonoma Along and just above creek-bed, headwaters of Big Austin Creek, vicinity of The Cedars, near Layton Chromite Mine. 266 Comment
  UCD166111  Camissonia Peter Rubtzoff 1972-4-23 6739 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA29336  Camissonia cheiranthifolia subsp. cheiranthifolia E. K. Balls 1953-10-9 18597 Sonoma South end of Doran Park, Bodega Bay, Hwy 1 3 Comment
  UCR6060  Camissonia ovata Sue Freeman 1966-4-8 s.n. Sonoma San Francisco Bay Region, Hwy 116, 5 mi. south of Sonoma 305 Comment
  CAS-BOT-BC160365  Camissoniopsis cheiranthifolia subsp. cheiranthifolia A. A. Heller 1940-5-17 15626 Sonoma North of the town of Bay, Bodega Bay Comment
  SEINET10463925  Campanula californica P. Rubtzoff 1951-9-2 Rubtzoff 708 Sonoma Pitkin Marsh, near Forestville, Northern half of Lower Marsh; at the edge of a thicket, on marshy ground. Comment
  UC34817  Campanula prenanthoides W. C. Blasdale 1896-7-18 Sonoma Cozadero Comment
  SEINET10463208  Campanula prenanthoides Rowntree 1931-7-15 ROWNTREE s.n. Sonoma STEWART PT. SKAGGS SPRINGS ROAD SHADY BANK Comment
  UCR280188  Capsella bursa-pastoris Peter Rubtzoff 1958-8-9 3841 Sonoma Laguna de Santa Rosa, north of Sebastopol, near Occidental Road 20 Comment
  CAS-BOT-BC182782  Capsella bursa-pastoris Peter Rubtzoff 1974-5-19 7443 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville Roads Comment
  CAS-BOT-BC37774  Cardamine californica Peter Rubtzoff 1953-5-18 1408 Sonoma South of Guerneville (Neeley Hill area). Comment
  UC1199186  Cardamine californica Joseph P. Tracy 1949-3-13 18270 Sonoma w Knights Valley (Mayacamas Creek); , w of Knights Valley 152 Comment
  JEPS53387  Cardamine californica var. integrifolia Milo S. Baker April 1899 Sonoma hill back Dillon's Beach; hills back of Dillon's Beach Comment
  CAS-BOT-BC38027  Cardamine oligosperma Peter Rubtzoff 1955-5-14 1852 Sonoma Duncans Mills Marsh. In upper portion of marsh. Comment
  CAS-BOT-BC38036  Cardamine oligosperma G. DeNevers 1981-3-30 583 Sonoma Pepperwood Ranch. At Garrison House. Comment
  UC727778  Cardamine oligosperma Milo S. Baker Apr. 1946 11309 Sonoma Brookside Garden near Kenwood; Brookside Garden near Kenwood Comment
  CAS-BOT-BC38116  Cardamine parviflora R. Bacigalupi 1948-3-6 2856 Sonoma Northwest Sonoma County. At junction of roads from Stewart's Point and Annapolis, on road from Skaggs Springs. Comment
  CAS-BOT-BC384865  Cardionema ramosissimum Walter Knight; Irja Knight 1963-8-13 317 Sonoma Horseshoe Cove Comment
  SJSU7927  Cardionema ramosissimum S. H. Casey 1969-5-13 237 Sonoma seaward rim of coastal terrace, 3 mi N of Stewarts Point Comment
  CAS-BOT-BC344831  Carex abrupta Peter Rubtzoff 1963-8-17 s.n. Sonoma Russian River Mouth Marsh. Comment
  CAS-BOT-BC18140  Carex athrostachya Peter Rubtzoff 1958-5-3 3611 Sonoma Atascadero Creek Marsh. Comment
  UC590014  Carex athrostachya H. S. Yates 1936-5-16 5622 Sonoma near Green Valley School 91 Comment
  UCD112451  Carex athrostachya Peter Rubtzoff 1959-5-30 4055 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC350810  Carex barbarae Peter Rubtzoff 1958-7-26 3800 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC422353  Carex barbarae Peter Rubtzoff 1958-5-10 3637 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  UC562314  Carex barbarae Joseph P. Tracy 1935-7-7 14042 Sonoma Knights Valley 152 Comment
  UCR137670  Carex barbarae Don Pendleton 1993-5-29 s.n. Sonoma North Coast Ranges, 5297 Westside Rd, Russian River Valley, c. 5 mi SW of Healdsburg 46 Comment
  CAS-BOT-BC19371  Carex barbarae G. DeNevers 1981-3-14 528 A Sonoma Pepperwood Ranch. Pippindale farm, 7 miles NE of Santa Rosa, near Mark West lodge. In Leslie Creek. In Mark West Creek. Comment
  CAS-BOT-BC310301  Carex barbarae Peter Rubtzoff 1969-8-24 s.n. Sonoma 3 miles west of Fulton on north side of River Road. Comment
  RSA295078  Carex barbarae Robert A. Norris, John L. Inase, Allen Nakagawa 1981-6-27 4209 Sonoma Trenton Rd., by the Boriolo Ranch, just S of and paralleling River Rd., approx. halfway between Guerneville and Santa Rosa. (Near N part of Laguna de Santa Rosa). 15 Comment
  UCD140160  Carex barbarae Beecher Crampton 1964-5-12 6951 Sonoma 6 miles northwest of Calistoga, State Highway 128. Comment
  CHSC55604  Carex bolanderi James Jokerst 1985-4-26 2269 Sonoma Near Caldwell Ranch. Comment
  CAS-BOT-BC19564  Carex bolanderi J. W. Congdon 1880-6-14 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC34026  Carex brevicaulis Robert F. Thorne 1965-4-19 34321 Sonoma Harrison Grade 0.5 mile east of Stoetz Road. 152 Comment
  UCD140186  Carex buxbaumii Frederica Bowcutt 1994-6-12 1851 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon along Pony Gate Trail along east west trending stretch before entering woodland. 411 Comment
  UC1227  Carex comosa Jos. Burtt Davy 1896-7-22 Sonoma flats along Russian River near Guerneville; Russian River Comment
  RSA0031802  Carex cusickii Peter Rubtzoff 1962-5-25 4841 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC18977  Carex densa John Thomas Howell 1938-7-3 13964 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC20486  Carex densa Peter Rubtzoff 1951-7-7 369 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh. Comment
  CAS-BOT-BC20506  Carex densa Peter Rubtzoff 1960-5-15 4323 Sonoma Sonoma County Marshes. Fife Creek Marsh. Comment
  CAS-BOT-BC20513  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Sonoma County Marshes. Guerneville Marsh. Comment
  CAS-BOT-BC242640  Carex densa Peter Rubtzoff 1958-4-26 3604 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC246548  Carex densa Peter Rubtzoff 1960-5-15 4324 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC246549  Carex densa Peter Rubtzoff 1960-6-9 4474 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road Comment
  UC70610  Carex densa Miss A. King 1896-1 Sonoma near Healdsburg (Russian River) Comment
  UC70642  Carex densa Bioletti 1893-1 Sonoma Los Guilucos Valley Comment
  CAS-BOT-BC20243  Carex densa Peter Rubtzoff 1968-6-25 5901 Sonoma Lichau Marsh. Comment
  CAS-BOT-BC20471  Carex densa John Thomas Howell 1935-5-5 12605 Sonoma Low field near Kenwood. Comment
  CAS-BOT-BC20496  Carex densa Peter Rubtzoff 1958-5-10 3636 Sonoma Sonoma County Marshes. Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UCR250036  Carex exsiccata Peter Rubtzoff 1955-9-9 2115 Sonoma Bodega Head Marsh 2 Comment
  CAS-BOT-BC329294  Carex exsiccata Peter Rubtzoff 1959-4-18 4024 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 0.5 mi. north of Guerneville Road crossing. Comment
  CAS-BOT-BC320586  Carex feta Peter Rubtzoff 1975-7-3 8147 Sonoma Kenwood Marsh. Comment
  SD72053  Carex globosa John Thomas Howell 1955-6-2 30258 A Sonoma Near Vine Hill School. Comment
  CAS-BOT-BC28328  Carex gracilior John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 54018 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 mi NE of Penngrove 457 Comment
  CAS-BOT-BC28373  Carex gracilior John Thomas Howell 1938-7-3 13966 Sonoma Pitkin Marsh. Comment
  UCD112362  Carex gracilior Peter Rubtzoff 1954-6-20 1500 Sonoma Guerneville Marsh. Comment
  UCR248716  Carex gynodynama Peter Rubtzoff 1962-5-11 4829 Sonoma Freestone Marsh 79 Comment
  RSA758136  Carex harfordii Peter Rubtzoff 1960-5-16 4355 Sonoma Duncans mills marsh. m thickets along streamlet in upper portion of the marsh. Comment
  UCR248919  Carex harfordii Peter Rubtzoff 1962-6-1 4865 Sonoma Freestone Marsh 79 Comment
  CAS-BOT-BC331478  Carex hassei Peter Rubtzoff 1963-7-6 5194 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC350938  Carex leptopoda Peter Rubtzoff 1960-6-7 4459 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC119580  Carex nudata John Thomas Howell 1933-4-2 10931 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC119315  Carex obnupta Peter Rubtzoff 1951-6-10 208 Sonoma Pitkin Marsh, near Forestville. S of the Upper Marsh. Comment
  RSA0034042  Carex obnupta Peter Rubtzoff 1964-5-20 5305 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC119310  Carex obnupta Mary P. Wells 1981-8-2 s.n. Sonoma S end of Timber Ridge Road, The Sea Ranch. Comment
  CAS-BOT-BC320468  Carex pachystachya Peter Rubtzoff 1964-5-20 5316 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC320469  Carex pachystachya Peter Rubtzoff 1974-6-2 7504 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC118938  Carex pellita Peter Rubtzoff 1952-5-21 1059 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh. Comment
  CAS-BOT-BC118939  Carex pellita Peter Rubtzoff 1952-5-31 1118 Sonoma Pitkin Marsh, near Forestville. Southern half of the Lower Marsh. Comment
  UCD140719  Carex pellita Mary M. Hektner 1976-8-27 268 -A Sonoma on land owned by Oceanic Properties, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC331479  Carex rostrata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville. Comment
  UCD161822  Carex serratodens James A. Neilson Jr. 1975-5-23 3205 Sonoma Abril property, Truit Creek at Big Sulphur Creek. (Exact location unkown, coordinates estimated by label maker.) Comment
  UCR248948  Carex serratodens Peter Rubtzoff 1974-6-9 7586 Sonoma Upper Green Valley Marsh Comment
  RSA0022395  Carex serratodens Peter Rubtzoff 1957-5-11 3341 Sonoma Occidental Marsh. Comment
  RSA0020342  Carex stipata Peter Rubtzoff 1958-5-17 3679 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Rd.) Comment
  CAS-BOT-BC116929  Carex subbracteata Peter Rubtzoff 1954-8-2 1619 Sonoma Duncan Mills Marsh. Comment
  OBI22663  Carex subbracteata Lewis S. Rose 1964-6-3 64052 Sonoma N end of Bodega Bay 2 Comment
  UCR248925  Carex subbracteata Peter Rubtzoff 1955-5-14 1842 Sonoma Austin Creek Marsh 15 Comment
  CAS-BOT-BC116928  Carex subbracteata Peter Rubtzoff 1958-5-1 3626 Sonoma Forestville Marsh. Comment
  UCD112450  Carex subbracteata Peter Rubtzoff 1959-6-13 4124 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC116787  Carex subbracteata var. subbracteata Catherine Best 1985-5-15 1086 Sonoma Bodega Head. Comment
  CAS-BOT-BC115832  Carex subfusca Peter Rubtzoff 1959-4-18 4034 Sonoma Laguna de Santa Rosa NE of Graton, ca. 0.5 mi N of Guerneville Road crossing. Comment
  UCD140916  Carex subfusca Peter Rubtzoff 1954-7-5 1537 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC350915  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
  UCR248922  Carex tumulicola Peter Rubtzoff 1957-5-26 3359 Sonoma Occidental Marsh Comment
  UCD140932  Carex tumulicola P. G. Connors 1991-4-11 104 Sonoma Bodega Head and Dunes. Near Lab road and Salmon Creek. BMR 0730N, 4200E. Comment
  CAS-BOT-BC230227  Carpobrotus edulis John H. Thomas 1976-6-15 18302 Sonoma S end of Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  CDA7004  Carthamus leucocaulos T. C. Fuller 1970-5-4 19484 Sonoma 2 miles west of the overpass, Highway 101, Asti. 0 Comment
  CDA7006  Carthamus leucocaulos G. D. Barbe, T. C. Fuller 1972-6-28 951 Sonoma Approximately 1 mile west of U.S. 101 freeway, Asti. 0 Comment
  SEINET13331044 Image available Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma 0.25 acre of weed scattered over 2 acres, abundant on both slopes of the dam of a reservoir, about 1 mi. W. of the Asti turn-off of the freeway, Hwy 101, Asti Comment
  UCD129938  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma ca. 1 mile west of Asti turn-off of the freeway, Hwy 101, Asti. Comment
  CAS-BOT-BC320502  Caryophyllaceae Peter Rubtzoff; Nancy Harrison 1974-7-13 7676 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC384677  Caryophyllaceae Peter Rubtzoff 1983-8-28 9680 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  JEPS35565  Castilleja L. R. Heckard 1964-6-12 1389 Sonoma s limit Bodega Bay town Comment
  UCR143607  Castilleja G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  CAS-BOT-BC249237  Castilleja affinis Alexander 1944-4-1 s.n. Sonoma Near Santa Rosa Comment
  UC584179  Castilleja ambigua subsp. ambigua J. Clausen 1935-5-24 1095 Sonoma 6.5 mi s Jenner (on the Bodega road) Comment
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Jan 8 2015
  UC577266  Castilleja campestris subsp. campestris Milo S. Baker 1936-5-1 8576 Sonoma 0.5 mi e old Santa Rosa Fair Grounds (Bennett Valley Highway) Comment
  UC1567928  Castilleja foliolosa F. H. Utech 1986-5-13 86 -104 Sonoma ca 3.0 mi ne Cavedale (road from junction with CA Hwy 12) 250 Comment
  UCD151301  Castilleja foliolosa James A. Neilson Jr. 1974-7-26 2865 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 Comment
  SD38277  Castilleja franciscana Edith A. Purer 1932-7-24 4067 Sonoma Bodega bay, to Santa Rosa, along roadside Comment
  CAS-BOT-BC243847  Castilleja latifolia L. Beane; Lois E. James 1949-5-11 2068 Sonoma Between Fort Ross and Jenner Comment
  CAS-BOT-BC243851  Castilleja latifolia Ella Dales Cantelow 1938-5-7 2412 Sonoma 5 mi. N of Bodega Comment
  JEPS35572  Castilleja wightii L. R. Heckard 1964-6-12 1382 Sonoma about 2 mi n Stewarts Point (along Calif Hwy 1) 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
  JEPS8512  Castilleja wightii W. L. Jepson 1931-7-19 15956 Sonoma bluffs at Scott Creek Comment
  RSA700516  Castilleja wightii Noel Holmgren, James L. Reveal 1966-6-6 2650 Sonoma California 1, 2 miles south of California 116 junction. Comment
  CAS-BOT-BC47802  Ceanothus John Thomas Howell 1935-5-5 12618 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC47805  Ceanothus James McMurphy 1909-5-29 s.n. Sonoma ridge south of the Geysers Comment
  CAS-BOT-BC48509  Ceanothus confusus Milo S. Baker 1939-3-20 9244 Sonoma ca. 4 mi. north of Santa Rosa on road past County Hospital Comment
  CAS-BOT-BC48516  Ceanothus confusus J. Clausen 1933-3-26 735 Sonoma Rincon Range, east of Santa Rosa Comment
  UC870630  Ceanothus confusus John Thomas Howell 1937-4-11 12897 Sonoma NE of Santa Rosa (Rincon Ridge) Comment
  CAS-BOT-BC49698  Ceanothus cuneatus var. ramulosus G. DeNevers 1981-4-1 604 Sonoma E side of road at Mark West Creekand Leslie Creek Comment
  CAS-BOT-BC64355  Ceanothus foliosus Peter Rubtzoff 1953-5-17 1398 Sonoma Forested hills s. of Guerneville. Comment
  CAS-BOT-BC64422  Ceanothus foliosus subsp. vineatus W. R. Hildreth 1967-10-3 1071 Sonoma Vine Hill School rd., ca. 1/2 mi. e. of Vine Hill Road. Comment
  UC1280764  Ceanothus foliosus var. foliosus H. E. McMinn 1941-4-26 5319 Sonoma Ricon Ridge Comment
  RSA107848  Ceanothus foliosus var. vineatus L. S. Rose 1955-6-2 s.n. Sonoma Junction of Vine Hill and School Roads, 10 miles west of Santa Rosa. 46 Comment
  CAS-BOT-BC50003  Ceanothus gloriosus John Thomas Howell 1935-5-5 12615 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50009  Ceanothus gloriosus John Thomas Howell 1937-4-11 12908 Sonoma MS. Baker place, SW. slope of Mt. Hood Comment
  UC70430  Ceanothus gloriosus var. exaltatus Milo S. Baker 1898-4-2 24 Sonoma near Guerneville. Comment
  CAS-BOT-BC49954  Ceanothus gloriosus var. exaltatus J. Clausen 1933-3-26 742 Sonoma southern boundary of the Frey Brothers Ranch, about 10 miles west of Santa Rosa on the Santa Rosa-Graton Road Comment
  RSA285634  Ceanothus gloriosus var. exaltatus D. C. Michener 1982-7-26 4119 Sonoma Frei road 0.1 mile east of jct with Hwy 166 (east of Graton) Comment
  UC73359  Ceanothus incanus Milo S. Baker 1898-6-11 649 Sonoma Little Sulphar Creek Comment
  UCD36545  Ceanothus integerrimus Beecher Crampton 1954-4-26 1795 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  SEINET12211380  Ceanothus integerrimus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -270 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CDA37445  Ceanothus integerrimus var. macrothyrsus D. G. Kelch, T. McGregor 2010-8-22 10 .343 Sonoma Geyser Peak Rd. Comment
  RSA178027  Ceanothus jepsonii Robert F. Thorne 1965-4-19 34282 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UC1193312  Ceanothus jepsonii P. Zinke 1949-6-14 64 Sonoma Divide between Dry Creek and Smith Creek Quad. 61A3 457 Comment
  UCD101294  Ceanothus jepsonii Daniel Sanchez-Mata; Tomas Santamaria 2008-7-13 s.n. Sonoma Healdsburg. Pine Flat Road from Road 128. Red Hill. Audubon Sanctuary. 400 Comment
  UCD123963  Ceanothus jepsonii D. O. Burge and K. B. Schroeder 2008-3-7 979 c Sonoma Ridge NW of Duvoul Creek, near confluence with Dutch Bill Creek, roadside on Bohemian Highway, between Camp Meeker and Monte Rio, 7.6 road miles (12.2 km) north of intersection with SR 12, near BM 136, 2.97 km 320 deg. (True) NNW of Camp Meeker. 50 Comment
  SEINET12210995  Ceanothus jepsonii F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -165 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  RSA396204  Ceanothus jepsonii subsp. albiflorus F. H. Utech, Dick Walter, I. Knight 1984-4-18 84 -165 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane. 146 Comment
  CDA9346  Ceanothus jepsonii subsp. jepsonii D. G. Kelch 2006-6-24 6 .325 Sonoma On serpentine along Harrison Grade. 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
  UC73364  Ceanothus parryi Milo S. Baker May, 1899 Sonoma near Occidental; Green Valley Comment
  UC750534  Ceanothus parryi Lewis S. Rose 1947-5-9 47134 Sonoma Occidental 152 Comment
  SEINET12211095  Ceanothus ramulosus W. Knight, Knight, I.; Edwards, S. 1986-1 5358 Sonoma Along the trail en route to summit of Geyser Peak. Access from Healdsburg-Geysers Road Comment
  CAS-BOT-BC53037  Ceanothus sonomensis John Thomas Howell 1935-5-5 12609 Sonoma West slope of Hood Peak Range near summit of Triniti P.O. Road Comment
  CAS-BOT-BC53050  Ceanothus sonomensis Milo S. Baker 1946-2-14 11266 Sonoma Hope Valley near Chamberlain Place, region of Kenwood Comment
  RSA753880  Ceanothus sonomensis Dylan O. Burge, C. Miller 2007-6-12 DOB 939 c Sonoma Mayacmas Mts., head of Hooker Canyon, roadside on Cavedale Road, 4.0 road miles (6.4 km) E of SR 12. 4.90 km 85 degrees (True) ENE of Glenn Ellen. 560 Comment
  RSA757810  Ceanothus sonomensis Dylan O. Burge 2008-5-25 DOB 991 c Sonoma Mayacmas Mountains, western slope of Hooker Canyon, at the residence of Marc Schwager and Allison Ash, Elarra Reserve, 3200 Cavedale Road, 4.5 km 92 degrees east-southeast of Glen Ellen. 500 Comment
  UC1071493  Ceanothus velutinus H. S. Yates 1934-4-21 3816 Sonoma near Guerneville; Duncans Mills Quad. Comment
  SEINET11844187  Centaurea calcitrapa W. Knight, Wagnon, K. 1987-1 6486 Sonoma Willow Brook between Corona Road & Old Redwood Hwy 6 Comment
  CAS-BOT-BC277161  Centaurea melitensis Peter Rubtzoff 1952-6-10 1220 Sonoma Northeast and east slope of Fitch Mtn., near Healdsburg Comment
  UCD130036  Centaurea melitensis Frederica Bowcutt 1994-6-24 1891 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles E of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/4 way from Bald Mountain Trail to Headwaters Trail. 554 Comment
  UCD130054  Centaurea melitensis P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  OBI35874  Centaurium erythraea David J. Keil 1983-6-29 17201 Sonoma Ca. 10 mi SE of Ft. Ross along hwy 1 Comment
  POM130634  Centaurium muehlenbergii A. A. Heller 1902-6-28 5793 Sonoma Between Knight s Valley and Mark West Springs. Comment
  UCD55332  Centaurium tenuiflorum Ellen Dean 2006-6-28 3176 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. East side of Pepperwood Reservoir. 150 Comment
  UC511236  Centaurium trichanthum Lyman Benson 1930-6-18 2165 Sonoma 4 mi s Santa Rosa (watershed of San Francisco Bay); North Coast Range, San Francisco Bay 60 Comment
  CAS-BOT-BC288816  Centromadia fitchii Helen D. Geis 1902-8-1 572 Sonoma Unspecified Comment
  CAS-BOT-BC271543  Centromadia parryi subsp. parryi John Thomas Howell 1930-10-5 5530 Sonoma Dry field 5.8 miles SW of Sonoma on Black Point cutoff Comment
  CAS-BOT-BC311802  Cerastium Peter Rubtzoff 1972-4-23 6738 Sonoma Vernal pool 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA800601  Cerastium Peter Rubtzoff 1964-5-20 5315 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC384972  Cerastium arvense A. A. Heller; H. E. Brown 1902-4-11 5269 Sonoma Bodega Bay Comment
  RSA105368  Cerastium arvense M. V. Ott 1934-3-31 70 Sonoma Larkspur Hill about 3 miles W of Bodega, near the coast. Comment
  CAS-BOT-BC388440  Cerastium glomeratum Ella Dales Cantelow 1940-4-20 3444 Sonoma N. of Ft. Ross, Hy 1 Comment
  CAS-BOT-BC207632  Cercis occidentalis Peter Fritsch 1999-10-3 1749 Sonoma 0.5 mi W of the gate to the geothermal plant along Geysers Resort Road. Comment
  UC31015  Chaenactis glabriuscula var. heterocarpha H. N. Bolander 1864-1 3953 Sonoma at the Geysers Old Pine Mt.; Pine Mt., at the Geysers, Sonoma Co. Comment
  CAS-BOT-BC279783  Chamaemelum fuscatum John H. Thomas 1966-3-18 11480 Sonoma 2 miles south of Asti as measured along the road along highway 101 Comment
  UCD159761  Cheilanthes intertexta James A. Neilson Jr. 1975-1-24 3131 Sonoma Mayacmas Mountains; Alder Creek drainage, 200 yards south of county line near jeep road. Dominichelli Ranch. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  CDA2982  Chenopodium album Peter Rubtzoff 1962-6-21 4934 A. Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. 0 Comment
  UC168633  Chenopodium botrys T. S. Brandegee July, 1885 Sonoma Cloverdale Comment
  UCD158802  Chenopodium californicum James A. Neilson Jr. 1974-1 3062 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  UC1563651  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-BC493400  Chlorogalum pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian River Comment
  CAS-BOT-BC191508  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  CAS-BOT-BC191509  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-8-6 62077 Sonoma Bodega Point 30 Comment
  CAS-BOT-BC252851  Chorizanthe polygonoides var. polygonoides Greg de Nevers 1993-4-27 10410 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 457 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
  UCD110108  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. 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
  CAS-BOT-BC285252  Cichorium intybus Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5857 Sonoma Llano Road 45 Comment
  UCR249044  Cirsium Peter Rubtzoff 1960-9-14 4546 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  CAS-BOT-BC284428  Cirsium brevistylum John Thomas Howell 1930-6-8 5277 Sonoma 8 miles n. of Bodega Bay Comment
  POM53745  Cirsium douglasii var. breweri A. A. Heller 1902-7-2 5804 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC280003  Cirsium douglasii var. douglasii R. F. Hoover 1966-7-17 9914 Sonoma Sausal Creek north of Alexander Valley Comment
  UC178901  Cirsium douglasii var. douglasii Katharine Brandegee 1905-6-25 Sonoma Bodega Comment
  CDA18867  Cirsium douglasii var. douglasii R. Breckenridge 1999-6-14 PDR 909431 Sonoma North Coast Ranges; Hwy 1, near Salmon Creek Beach, Salmon Creek/ Bodega. 0 Comment
  CAS-BOT-BC285703  Cirsium occidentale var. occidentale Alice Eastwood 1915-6-29 4889 Sonoma Bodega Point Comment
  CAS-BOT-BC290643  Cirsium occidentale var. occidentale Peter Rubtzoff 1960-9-14 4547 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CDA1484  Cirsium occidentale var. venustum T. C. Fuller 1958-5-24 4004 Sonoma 1.5 mi. N of Camp Meeker. 0 Comment
  CDA1486  Cirsium occidentale var. venustum E. P. Delfino 1960-4-11 s.n. Sonoma Cloverdale; Rust Horn Ranch, Pine Mt. Rd. 0 Comment
  UCD130426  Cirsium occidentale var. venustum Frederica Bowcutt 1994-6-25 1906 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 0.25 miles N of Vista Trailhead along Gray Pine Trail. Comment
  CAS-BOT-BC280537  Cirsium quercetorum John Thomas Howell 1937-6-6 13047 Sonoma 7 miles n. of Petaluma on Stony Point road Comment
  RSA0070858  Cirsium quercetorum J. T. Howell 1930-6-8 5247 Sonoma 1 mile east of Bodega Bay. Comment
  JEPS35584  Cirsium remotifolium var. odontolepis L. R. Heckard 1964-6-11 1371 Sonoma about 4 mi nw of Cloverdale (along Calif. 28; just beyond Alder Glenn Springs) 213 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
  UCD130439  Cirsium vulgare Frederica Bowcutt 1994-7-5 1928 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 30 feet, 50 feet south of campfire center. 387 Comment
  RSA800600  Citrullus lanatus Peter Rubtzoff 1955-10-12 2169 Sonoma Vacation Beach, near Guerneville. Comment
  CDA40774  Clarkia affinis S. Quick 1996-5-1 8 Sonoma Along Road 32, within 50 meters of the U.C. Reserve access road leading to Stebbins Cold Canyon Reserve. Comment
  UC478907  Clarkia amoena Marcus E. Jones, A. M. 1931-7-5 28991 Sonoma w Cloverdale Comment
  UC1072039  Clarkia amoena subsp. huntiana H. and M. Lewis 1947-6-15 434 Sonoma 3.7 mi s Fort Ross Historical Monument (Highway 1) Comment
  CAS-BOT-BC172206  Clarkia concinna Rimo Bacigalupi 1926-5-2 1397 Sonoma Cazadero Comment
  CAS-BOT-BC172222  Clarkia concinna Mrs. E. C. Sutliffe 1894-5-15 s.n. Sonoma Cazadero Comment
  UCD104432  Clarkia concinna P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point-Annapolis Road. Comment
  UCD160125  Clarkia concinna James A. Neilson Jr. 1973-6-6 2987 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  SEINET12195099  Clarkia concinna F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -254 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CHSC41507  Clarkia concinna subsp. concinna R. N. Bowman 1985-5-23 6070 Sonoma 5.6 miles e of Red Winery Road on the road to the Geysers. 609 Comment
  CHSC41510  Clarkia concinna subsp. concinna R. N. Bowman 1985-5-23 6073 Sonoma .2 miles w of guarded entrance to 'The Geysers' geothermal power generating area on Geysers Resort Rd. 445 Comment
  RSA144395  Clarkia concinna subsp. concinna Roxana S. Ferris, Laura Lorraine 1961-6-15 13550 Sonoma Green Valley Road 0.8 miles E of junction with Harrison Grade Road. Comment
  UC20005  Clarkia concinna subsp. concinna Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  POM249870  Clarkia concinna subsp. concinna Joseph A. Ewan 1935-5-13 9202 Sonoma Bodega Bay Rd. 2 miles W of Bodega. Comment
  UCD104538  Clarkia gracilis Botany 102 Students 1993-5-8 274 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
  JEPS128316  Clarkia gracilis subsp. sonomensis Roger Raiche 2000-5-27 107 .00 Sonoma The Cedars, road into The Cedars at 2nd crossing or Otis Crossing. Lower Russian River, Big Austin Creek watershed. Comment
  UC20298  Clarkia gracilis subsp. sonomensis Alice King June, 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC163132  Clarkia gracilis subsp. sonomensis Joseph P. Tracy 1945-7-4 17511 Sonoma Trinity River Valley, at Willow Creek 152 Comment
  CAS-BOT-BC163138  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 17 Sonoma One-half mile east of Glen Ellen 30 Comment
  CAS-BOT-BC32947  Clarkia imbricata Frank Harlan Lewis; Lewis, M. 1951-7-10 865 Sonoma Santa Rosa to Guerneville, 6230 Vine Hill Road Comment
  NY37725  Clarkia imbricata P. H. Raven 1958-7-23 13691 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
  CHSC22118  Clarkia purpurea Robert A. Schlising; Lloy Thurman 1962-6-15 2310 Sonoma Coast Ranges. Skaggs Springs Road, 12 mi W of Jct with Dutcher Creek Road. Comment
  UC424795  Clarkia purpurea Milo S. Baker 1930-6-6 4165 a Sonoma between Wake Robin Lodge and Brenner's Comment
  CAS-BOT-BC164585  Clarkia purpurea subsp. viminea Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  UCD55329  Clarkia unguiculata Ellen Dean 2006-6-28 3172 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  CAS-BOT-BC439407  Claytonia gypsophiloides A. A. Heller; H. E. Brown 1902-3-16 5073 Sonoma Russian River, near Trenton Comment
  UC7857  Claytonia gypsophiloides Alice King Apr 1897 Sonoma Healdsburg Comment
  HSC49616  Claytonia gypsophiloides R. York 1979-4-8 202 Sonoma Along Hwy. 128, 2 mi. N of Calistoga 305 Comment
  RSA293048  Claytonia gypsophiloides Reino Alava 1957-3-23 525 Sonoma Dry serpentine hillside, four miles NW of Cloverdale, on State Highway. 128 Comment
  SD130423  Claytonia parviflora subsp. parviflora F. Almeda, G. DeNevers 1981-3-30 4877 Sonoma Pepperwood Ranch; along road to Garrison Cabin at the SW sector of the ranch 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
  CDA34795  Claytonia perfoliata Peter Warner 2010-3-29 122 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  CAS-BOT-BC443871  Claytonia sibirica Peter Rubtzoff 1964-7-3 5340 Sonoma Bodega Bay Marsh. Comment
  POM161577  Clintonia andrewsiana Rimo C. Bacigalupi 1926-5-8 1393 Sonoma Cazadero Comment
  UC55255  Clintonia andrewsiana Milo S. Baker 1899-5-1 Sonoma Green Valley near Gallager's; Green Valley Comment
  UC26616  Collinsia greenei H. N. Bolander 1866-1 3968 Sonoma The Geysers Comment
  CAS-BOT-BC366865  Collinsia heterophylla Greg de Nevers 1998-4-21 11157 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Below Jim & Donna's house 400 Comment
  UCD55149  Collinsia heterophylla Ellen Dean; Tammie Beyerl 2006-4-28 3031 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 260 Comment
  RSA94790  Collinsia sparsiflora A. A. Heller, H. E. Brown 1902-4-11 5268 Sonoma Bodega Bay Comment
  POM14827  Collinsia sparsiflora var. arvensis D. C. Michener, F. T. Bioletti 1893-04 s.n. Sonoma Kenwood. Comment
  POM14838  Collinsia sparsiflora var. arvensis A. A. Heller 1903-4-23 6601 Sonoma Fort Ross. From type locality. Comment
  UC26556  Collinsia sparsiflora var. arvensis Edw. L. Greene 1892-4-20 Sonoma Knight's Valley Comment
  RSA52690  Collinsia sparsiflora var. arvensis I. L. Wiggins 1949-4-30 12061 Sonoma Roadside 6.8 miles east of Santa Rosa on road to Calistoga Comment
  POM14840  Collinsia sparsiflora var. sparsiflora A. A. Heller, H. E. Brown 1902-4-11 5268 Sonoma Bodega Bay Comment
  JEPS7308  Collinsia tinctoria Milo S. Baker 1904-6-19 Sonoma Sonoma Cr. Canyon Comment
  UC496400  Collomia heterophylla Merle Randall 1930-6-8 Sonoma floor Redwood Forest; Cazadero Comment
  UCD127305  Conium maculatum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-5 122 Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC286005  Conyza bonariensis Mary P. Wells 1988-9-7 966 Sonoma At Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC288916  Conyza canadensis Peter Rubtzoff 1986-9-28 9753 Sonoma Russian River at Forest Hills, 55 miles E of Guerneville Comment
  SEINET4676260  Cordylanthus brunneus Lewis S. Rose 1955-7-11 55110 Sonoma 2 miles east of Occidental.; 0 244 Comment
  JEPS57383  Cordylanthus maritimus subsp. palustris L. R. Heckard and T. I. Chuang 1968-6-18 1954 Sonoma in coastal salt marsh along road to Bodega Head Comment
  SBBG32433  Cordylanthus pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge, E of Santa Rosa 91 Comment
  JEPS128252  Cordylanthus pringlei Roger Raiche 2000-7-15 140 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS28819  Cordylanthus tenuis subsp. capillaris L. R. Heckard 1962-11-27 1317 Sonoma 3/4 mi nw Occidental School (along Stoetz Lane) Comment
Read comments
Jul 27 2009
  UC1096792  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1946-7-4 11523 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  UC727699  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1946-7-4 11523 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  CAS-BOT-BC101572  Corethrogyne filaginifolia Mary P. Wells 1981-7-2 s.n. Sonoma Unit 35A near Leeward Road, The Sea Ranch Comment
  UC21528  Cornus nuttallii H. N. Bolander 1864-1 3966 Sonoma on Pine Mt. near the Geyser's; Pine Mt. Comment
  UCR255050  Cornus nuttallii Greg de Nevers 1993-4-27 10414 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  UCD59797  Cortaderia jubata Beecher Crampton 1981-11-8 9806 Sonoma Northwest of Jenner. Comment
  CAS-BOT-BC251216  Cotoneaster Peter Rubtzoff 1958-8-23 3905 Sonoma Laguna de Santa Rosa, east of Cunningham near Llano Road. Comment
  CAS-BOT-BC143501  Cotoneaster pannosus Mary P. Wells 1989-2-13 975 Sonoma At curve of Montecito Ave. opposite Manzanita Ave., Rincon Ridge, Santa Rosa Comment
  JEPS18019  Cotula coronopifolia George B. Rossbach 1955-3-19 527 Sonoma se end Bodega Head 22 Comment
  POM66990  Cotula coronopifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC173676  Cotula coronopifolia Peter Rubtzoff 1962-10-9 5106 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC173836  Cotula coronopifolia Peter Rubtzoff 1958-5-17 3660 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occiental Road). Comment
  UCD130897  Cotula coronopifolia Mary M. Hektner 1976-12-14 275 Sonoma Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD130907  Cotula coronopifolia R. N. Raynor 1939-3-20 s.n. Sonoma Black Paint. Comment
  CAS-BOT-BC427646  Crassula aquatica Greg de Nevers 1993-5-30 10461 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 457 Comment
  SD207279  Crassula hystrix Reid Moran 1989-5-21 31025 Sonoma Lone Pine Gardens, Sebastopol. Comment
  NY435883  Crataegus gaylussacia A. A. Heller 1902-8-20 6052 Sonoma Lagoon at Scbastopol. Comment
  RSA534716  Crataegus suksdorfii Peter Rubtzoff 1973-10-10 7344 Sonoma Bank of a dry creek, 2 miles W of Bloomfield Comment
  UCD142091  Croton setiger Barbara Ertter 1988-11-5 8033 Sonoma Lake Sonoma ca 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  JEPS75423  Crupina vulgaris Ken Stocking 1976-6-27 Sonoma se of Bennett Valley golf course (City of Santa Rosa land); Santa Rosa Comment
  JEPS117125  Crupina vulgaris Peter Warner 2010-5-6 145 Sonoma Annadel State Park, ~200 m NE of Canyon Trail at junction with unimproved trail to upland vernal pool, ~570 m W of dam at Lake Ilsanjo Comment
  SEINET11687825  Crypsis schoenoides W. Knight, Knight, I.; Knight, T. 1986-1 5519 Sonoma Old Adobe Road toward E Washington St, 0.5 mi from the old adobe Comment
  CAS-BOT-BC190184  Crypsis vaginiflora Peter Rubtzoff 1971-8-9 6631 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC376222  Cryptantha Greg de Nevers 1993-3-28 10336 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Shriver Canyon 304 Comment
  UC1186500  Cryptantha leiocarpa Peter M. Ray 1952-5-30 2299 Sonoma n of Bodega Head (between Bodega Harbor and the ocean (near harbor just s of the marsh indicated on Bodega Head quadrangle)) Comment
  RSA0079375  Cryptantha muricata var. jonesii Milo S. Baker 1947-5-7 11735 Sonoma SW slope of Hood Mt. near base of Sugar Loaf. 366 Comment
  CAS-BOT-BC80749  Cupressus macnabiana Walter Knight; Irja Knight; J. T. H. 1984-9-26 5239 Sonoma 4.5 mi. up Cavedale Rd. Comment
  UCD133584  Cupressus macrocarpa Chris Bowen 1974-5-19 131 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1; by the playground. Comment
  CAS-BOT-BC85429  Cupressus sargentii W. Knight; Irja Knight 1964-11-15 799 Sonoma Hood's Peak - N.W. edge of meadow above Johnson Dam Comment
  CAS-BOT-BC85455  Cupressus sargentii Elizabeth McClintock 1967-9-10 4 Sonoma Ida Clayton Road on west side of Mount St. Helena Comment
  CAS-BOT-BC85472  Cupressus sargentii J. Ed. McClellan; Mrs. J. Ed. McClellan 1975-1-11 s.n. Sonoma Harrison Grade Rd. Comment
  POM215751  Cupressus sargentii Jens Clausen 1933-3-26 749 Sonoma Summit of Harrison Grade, between Graton and Occidental Comment
  UC552376  Cupressus sargentii Rimo Bacigalupi 1935-7-12 2374 Sonoma 10 mi e Healdsburg (at Pine Flat, s end of Mayacamas Range); Mayacamas Range, Pine Flat Comment
  UC618967  Cupressus sargentii E. Armstrong 1934-3-26 923 Sonoma 2 mi n Camp Meeker; Sebastopol Quadrangle Comment
  CAS-BOT-BC85465  Cupressus sargentii Stephen N. Stephenson 1979-8-13 s.n. Sonoma south facing slope of Sonoma Mt.,, adjacent to Sonoma-Napa rd. near county line 700 Comment
  CAS-BOT-BC361393  Cuscuta californica var. breviflora Greg de Nevers 1993-8-7 10481 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC182774  Cuscuta pentagona Peter Rubtzoff 1975-9-28 8414 Sonoma Russian River bank at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC190346  Cynodon dactylon John Thomas Howell; Walter Knight; Irja Knight 1987-5-20 6233 Sonoma Todd Road Preserve. 24 Comment
  UCD60037  Cynodon dactylon Peter Rubtzoff 1951-7-14 456 Sonoma Pitkin Marsh, near Forestville. Comment
  UCSB28101  Cynoglossum grande Phelps, M. 1972-2-18 Sonoma 1000 yds. west of Old Bale Mill Historic Landmark, St. Helena 365 Comment
  UC796492  Cynosurus echinatus Roxana S. Ferris and Laura Lorraine 1948-6-9 11663 Sonoma on road to Kellogg 11 mi from Geyserville Comment
  UCR248900  Cynosurus echinatus Peter Rubtzoff 1972-5-25 6765 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC190426  Cynosurus echinatus David L. Morgan 1956-5-17 s.n. Sonoma On Burnside Road, 200 yards south of the junction of Barnett Valley Road. Comment
  UCR254743  Cyperus Peter Rubtzoff 1970-9-2 6352 Sonoma Russian River bottom at Mirabel Park 5 Comment
  CAS-BOT-BC114516  Cyperus eragrostis Walter Knight; Irja Knight 1963-12-27 817 Sonoma Pine Flat Road Comment
  UC1567  Cyperus eragrostis Alice King Sept., 1896 Sonoma Healdsburg Comment
  UC727744  Cyperus eragrostis Milo S. Baker 1946-8-17 11556 Sonoma at Sebastopol Crossing La Laguna Comment
  CAS-BOT-BC113906  Cyperus niger var. capitatus Peter Rubtzoff 1951-7-1 323 Sonoma Plants of the Pitkin Marsh, near Forestville. Lower part of the upper marsh. Comment
  JEPS18145  Cypripedium californicum Rimo Bacigalupi with G. T. Robbins and F. Hoffman 1956-5-30 5668 Sonoma vicinity of The Cedars (along and just above creek-bed, near Layton Chromite Mine); headwaters of Big Austin Creek 266 Comment
  RSA516605  Cypripedium californicum Rimo C. Bacigalupi, G. Thomas Robbins, F. Hoffmann 1956-5-30 5668 Sonoma Headwaters of Big Austin Creek, vicinity of The Cedars, near Layton Chromite mine. 267 Comment
  CAS-BOT-BC435193  Cypselea humifusa Peter Rubtzoff 1969-8-24 6148 Sonoma Pond on River Road 3 mi. west of Fulton. Comment
  UC1606175  Cyrtomium falcatum Liz Parsons and Wendy Born Dec 1995 Sonoma s slope Hood Mt; Hood Mt Regional Park Comment
  CAS-BOT-BC70724  Cystopteris fragilis A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC189801  Dactylis glomerata Peter Rubtzoff 1962-6-19 4926 Sonoma Occidental Marsh. Comment
  UCD60196  Dactylis glomerata Mary M. Hektner; Sue Dakuzaku 1974-6-4 21 Sonoma Near State Hwy 1, Unit 24 Owners' Map, Sea Ranch; surrounding Kirkwood house. Comment
  CAS-BOT-BC445551  Damasonium californicum Peter Rubtzoff 1972-6-29 6812 Sonoma Laguna, Chileno Valley. Collected at about Marin-Sonoma county line. Comment
  SBBG56539  Damasonium californicum S. W. Hutchinson -Apr-1927 18 Sonoma Petaluma 5 Comment
  CAS-BOT-BC192266  Danthonia californica G. DeNevers 1982-5-2 1972 Sonoma Pepperwood Ranch Comment
  UCD60470  Danthonia californica H. S. Yates 1936-5-16 5579 Sonoma 1 mile NE of Graton. 30 Comment
  UCD60986  Danthonia californica M. Wiesendanger 1927-5-5 710 Sonoma Sonoma Co. Comment
  UCD37939  Danthonia californica var. americana Beecher Crampton 1962-5-8 6411 Sonoma Sonoma County, 5 miles south of Geyserville. Comment
  UCD34819  Danthonia californica var. americana Beecher Crampton 1963-5-27 6811 Sonoma Sonoma County, Alexander Valley, state Hwy. 128, ca. 8 miles S.E. of Geyserville. Comment
  CAS-BOT-BC154138  Datura stramonium var. tatula Peter Rubtzoff 1951-8-5 593 Sonoma Mirabel Park, 1.5 miles north of Forestville. 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
  RSA470792  Daucus pusillus D. D. Keck, J. Clausen 1935-6-15 3372 Sonoma 1 mile north of Salmon Creek Comment
  RSA0009663  Daucus pusillus Marcus E. Jones 1931-7-5 29093 Sonoma West of Cloverdale. Comment
  RSA800286  Deinandra corymbosa Peter Rubtzoff 1955-9-9 2121 Sonoma Bodega Head Marsh. Comment
  RSA0005301  Delphinium bakeri Milo S. Baker 1939-05 9489 Sonoma Coleman Valley Comment
  CAS-BOT-BC9024  Delphinium decorum Gertrude Raven Hardman 1925-3-10 s.n. Sonoma Tomales Comment
  CAS-BOT-BC10349  Delphinium hesperium Roxana Stinchfield Ferris; L. Lorraine 1961-6-14 13540 Sonoma 1 mile on Joy Road from junction with Bodega Highway Comment
  CAS-BOT-BC10343  Delphinium hesperium Ella D. Cantelow 1938-5-15 2408 Sonoma About 5 mi. E of Geyserville near foot of grade to The Geysers Comment
  SDSU10039  Delphinium hesperium D. F. Howe 1963-7-2 3577 Sonoma 4.2 miles north of junction with #12 and #1. 30 Comment
  UC726273  Delphinium hesperium subsp. hesperium A. A. Heller 1940-6-12 15724 Sonoma w of Two Rocks Comment
  UC1334519  Delphinium hesperium subsp. hesperium G. A. L. Mehlquist and J. A. Jenkins 1940-5-28 3 Sonoma 100 yds sw of Route 29 Mark West Mineral Spring Comment
  CAS-BOT-BC10099  Delphinium luteum John Thomas Howell 1931-4-18 6414 Sonoma Larkspur Rock, near Bodega Bay Comment
  UC906501  Delphinium luteum Joseph Ewan 1935-5-12 9203 Sonoma grassy slope on Bodega Bay rd 2 mi w Bodega Comment
  NY24259  Delphinium luteum L. S. Rose 1939-5-14 39120 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC8008  Delphinium nudicaule William Henry Brewer 1862-4-18 968 Sonoma near Sonoma Comment
  CAS-BOT-BC8009  Delphinium nudicaule Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy, 3 miles north of Occidental Comment
  UC1126017  Delphinium nudicaule E. Armstrong 1934-3-26 953 Sonoma 1 mi nw Camp Meeker; Sebastopol Quadrangle 121 Comment
  SEINET12093237  Delphinium nudicaule W. Knight, Knight, I.; Edwards, S. Dr 1986-1 5306 Sonoma Along trail to summit of Geyser Peak. Access from Healdsburg-Geysers Rd 853 Comment
  UC467759  Delphinium nudicaule H. P. Chandler 1907-4-21 7520 Sonoma road from Glen Ellen to Oakville near summit Comment
  CAS-BOT-BC7767  Delphinium variegatum Alice Eastwood; John Thomas Howell 1938-5-15 5510 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC7771  Delphinium variegatum John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54669 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  UC1334517  Delphinium variegatum G. A. L. Mehlquist and J. A. Jenkins 1940-5-28 1 Sonoma on Route 12 0.7 mi s Nunn's canyon road Comment
  UC70446  Delphinium variegatum Milo S. Baker 1898-5-7 586 Sonoma near Glen Ellen Comment
  UCSC000275  Delphinium variegatum Beryl O. Schreiber 1936-3-5 2210 Sonoma 2 miles W.N.W. of Mark West Springs Comment
  SEINET12091845  Dendromecon rigida F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -160 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  SEINET12093067  Dendromecon rigida F. H. Utech 1986-1 86 -110 Sonoma ca 5 mi NE on Cavedale Road from junction with CA 12 500 Comment
  UCD68044  Dendromecon rigida Linda Martin 1976-5-29 4 Sonoma On Trinity Road, 2.4 miles West of junction with Highway 12. Found in a chaparral plant association, dominated by madrone and fir, on the roadside, in full sunlight, on stoney loose soil. A perennial woody shrub with shredding white bark, 1.5 m high. Flowers, yellow. Comment
  RSA785369  Deschampsia cespitosa Peter Rubtzoff 1976-6-5 8591 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC192606  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1951-6-2 95 Sonoma Western branch of the Upper Marsh Comment
  UCD166087  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1971-6-25 6571 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC210166  Deschampsia danthonioides Peter Rubtzoff 1974-5-26 7494 Sonoma Todd Road 1.5 mi. from Hwy. 116 and 0.5 mi. from Llano Road. Comment
  RSA784393  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6084 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  CAS-BOT-BC201644  Deschampsia danthonioides G. DeNevers 1982-5-17 2015 Sonoma 50 m E of Pippindale Pond Comment
  CAS-BOT-BC201967  Deschampsia elongata Peter Rubtzoff 1962-6-23 4960 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC201971  Deschampsia elongata J. Burtt Davy 1896-7-1 s.n. Sonoma Near Guerneville Comment
  UC1131465  Deschampsia elongata H. S. Yates 1936-5-16 5607 Sonoma 1 mi. n.w. Mountain View School; Sebastopol Quad. Comment
  UCD63238  Deschampsia elongata Peter Rubtzoff 1962-5-25 4836 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC383034  Deschampsia elongata Greg de Nevers 1998-6-15 11288 Sonoma CYO Camp on Bohemian Highway. Comment
  CAS-BOT-BC376263  Dianthus armeria Greg de Nevers 1991-7-15 9757 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  CAS-BOT-BC208926  Dichanthelium acuminatum subsp. acuminatum F. G. Krauss 1893-10-28 s.n. Sonoma Geyser Canyon Comment
  RSA126984  Dichanthelium acuminatum var. fasciculatum H. S. Yates 1936-5-16 5589 Sonoma 2 miles SE of Forestville 30 Comment
  UCD166875  Dichelostemma capitatum Robert E. Preston 2016-3-26 3041 Sonoma Mayacamas Mountains, along Pine Flat Rd, 0.15 mi S of Red Hill summit. 660 Comment
  CAS-BOT-BC502207  Dichelostemma capitatum L. R. Abrams 1918-4-27 6908 Sonoma Independence School near Healdsburg Comment
  SEINET7067346  Dichelostemma capitatum subsp. capitatum A. G. Vestal 1947-5-16 s.n. Sonoma About 4.8 miles east of Windsor and northwest of Mark West Springs. Coordinate datum: NAD27. UTM Zone 10, 523072mE, 4267195mN. Comment
  SEINET12048691  Dichelostemma congestum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -170 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  SEINET7040134  Dichelostemma congestum A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  UCD163101  Dichelostemma multiflorum Robert E. Preston 2014-5-17 2965 Sonoma 4.5 mi NNW of Cazadero. 190 Comment
  CAS-BOT-BC210062  Digitaria Peter Rubtzoff 1978-8-12 9250 Sonoma Russian River at Del Rio Beach, ca 2.5 mi. E of Healdsburg on So. Fitch Mtn. Road. Comment
  SEINET10717803  Digitaria P. Rubtzoff 1971-8-23 Rubtzoff 6643 Sonoma Stony Point Road, just S of Hwy. 116. Comment
  RSA0051275  Digitaria sanguinalis Greg de Nevers 1996-9-23 10879 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Creek at Piney Canyon. 100 Comment
  UCD64092  Digitaria sanguinalis Virginia Bufford 1935-9-8 82 Sonoma Vine Hill District. Comment
  UCR280143  Dipsacus sativus Peter Rubtzoff 1971-9-1 6677 Sonoma Spring Creek Reservoir area, east of Santa Rosa 87 Comment
  CAS-BOT-BC331484  Distichlis Peter Rubtzoff 1970-5-30 6234 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC182763  Distichlis spicata Peter Rubtzoff 1962-7-14 5000 Sonoma Lower Salmon Creek Marsh. Comment
  UCD148365  Distichlis spicata Peter Rubtzoff 1955-8-20 2065 Sonoma Bodega Harbor Marsh. Comment
  UCR279620  Distichlis spicata Peter Rubtzoff 1962-7-14 5000 Sonoma Lower Salmon Creek Marsh 6 Comment
  UC22415  Dodecatheon hendersonii J. Burtt Davy 1896-3-15 1672 Sonoma near Fort Ross; near Fort Ross Comment
  UCD33097  Downingia concolor Beecher Crampton 1966-5-10 7728 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  UC1244031  Downingia concolor var. concolor John H. Weiler 1959-4-26 5960 Sonoma about 1 mi se Schellville (along State Highway 36) Comment
  RSA654064  Downingia concolor var. concolor Beecher Crampton 1966-5-10 7728 Sonoma 6.5 miles N of Sonoma on State Hwy 12, Glen Ellen station (CA dept. of forestry). Comment
  SD108305  Downingia concolor var. concolor Walter Knight, Irja Knight 1980-5-12 Sonoma 0.5 mile south of junction of highways 116 and 121 in Sonoma Valley. Comment
  RSA177046  Downingia cuspidata P. H. Raven 1963-4-28 18256 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  UC1127101  Drosera rotundifolia H. S. Yates 1937-5-30 6536 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  CAS-BOT-BC159443  Drymocallis glandulosa var. glandulosa G. DeNevers 1981-4-25 870 Sonoma Mark West Creek and Leslie Creek, Pepperwood Ranch Comment
  RSA123329  Drymocallis glandulosa var. wrangelliana H. S. Yates 1934-4-21 3755 Sonoma Near Bodega. 61 Comment
  UCD136430  Dryopteris arguta Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1754 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trail approx. 200 yds. From just E of Bear Creek about 5 yds. N of confluence with Sonoma Creek. 198 Comment
  UCR222528  Dryopteris arguta George K. Helmkamp, E. A. Helmkamp 2010-6-5 16249 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  CAS-BOT-BC71022  Dryopteris arguta G. DeNevers 1981-5-9 1081 Sonoma above Redwood Canyon, S of it Comment
  JEPS49908  Dudleya caespitosa W. L. Jepson 1923-6-23 10016 Sonoma Sonoma Canyon Kenwood Comment
  UC725574  Dudleya cymosa A. A. Heller 1940-5-10 15609 Sonoma along Wheatfield Fork of Gala River (on the Stewart Point-Skagg's Spring Rd) Comment
Read comments
Nov 20 2018
  SEINET12216915  Dudleya cymosa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -207 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 800 Comment
  CAS-BOT-BC428178  Dudleya cymosa subsp. cymosa A. A. Heller 1940-5-10 15609 Sonoma Along Wheatfield Fork of the Guala [Gualala] River on the Stewart Point-Skagg's Springs road. Comment
  CAS-BOT-BC428179  Dudleya cymosa subsp. cymosa unspecified No date on label s.n. Sonoma Russian River Comment
  JEPS49923  Dudleya farinosa W. L. Jepson 1931-7-19 15941 Sonoma n Salmon Creek (cliffs) Comment
  CAS-BOT-BC208555  Echinochloa crus-galli John Thomas Howell; Walter Knight; Irja Knight 1986-10-9 6283 Sonoma Llano Road between Gravenstein Hwy. and Todd Road near sewage plant. Comment
  CAS-BOT-BC208542  Ehrharta calycina Nancy Harrison 1977-6-11 1376 Sonoma Salmon Creek Beach Comment
  RSA227244  Elatine heterandra Peter Rubtzoff 1966-5-7 5720 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC274415  Eleocharis Peter Rubtzoff 1970-8-18 6313 Sonoma 5 miles north of Sears Point. Comment
  UCD165782  Eleocharis Peter Rubtzoff 1972-8-26 6858 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC113734  Eleocharis acicularis var. occidentalis Peter Rubtzoff 1951-7-22 531 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC112980  Eleocharis macrostachya Catherine Best 1981-8-22 s.n. Sonoma At the pond about 2 miles morth of Occidental on Stoetz Lane Comment
  CAS-BOT-BC112194  Eleocharis radicans Peter Rubtzoff 1951-9-2 703 Sonoma Pitkin Marsh, near Forestville: Northern half of Lower Marsh. Comment
  UCD49738  Eleocharis rostellata P. G. Connors 1991-5-24 111 Sonoma Location: BMR. Comment
  CAS-BOT-BC213786  Elymus X hansenii G. DeNevers; M. Harding 1981-7-11 1743 Sonoma Pepperwood Ranch Franz Valley Road Comment
  OBI70585  Elymus caput-medusae D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .278 Sonoma Cavedale Rd 518 Comment
  OBI35896  Elymus elymoides David J. Keil 1983-6-30 17211 Sonoma Stillwater Cove Regional Park Comment
  UCD151300  Elymus elymoides James A. Neilson Jr. 1974-7-25 2982 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 Comment
  UCR42318  Elymus elymoides L. F. LaPre 1985-6-5 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  UCR32117  Elymus glaucus David J. Keil 1983-6-30 17211 Sonoma Stillwater Cove Regional Park Comment
  CAS-BOT-BC203712  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-3 1150 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  UCD105384  Elymus glaucus subsp. glaucus Frederica Bowcutt 1996-5-24 2156 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma/Rattlesnake Creek confluence on small knoll. 381 Comment
  UCD38725  Elymus glaucus subsp. virescens Beecher Crampton 1957-7-11 4311 Sonoma 1.4 miles southeast of Bodega Bay. Comment
  JEPS128234  Epilobium brachycarpum Roger Raiche 2000-9-2 149 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC268107  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1969-8-26 6150 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  RSA800032  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1520 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  RSA800035  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1693 Sonoma Guerneville Marsh. Comment
  RSA94339  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1951-7-1 345 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC262970  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1955-8-20 2088 Sonoma Bodega Harbor Marsh. Comment
  POM231111  Epilobium ciliatum subsp. watsonii Jens Clausen 1935-5-24 1082 Sonoma 3.7 miles south of Jenner on the Bodega road Comment
  UC1042501  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1951-8-4 585 Sonoma marsy opening s Upper Marsh (near Forestville); Pitkin Marsh Comment
  RSA37531  Epilobium ciliatum subsp. watsonii J. Prosser, E. Cahill, E. Hallberg 1940-1 MSB- 9672 Sonoma Bodega Trip Comment
  CAS-BOT-BC368005  Epilobium densiflorum Greg de Nevers 1989-8-28 9098 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Skovie. 400 Comment
  UC73324  Epilobium densiflorum Milo S. Baker 1904-6-19 Sonoma above Maple Glen; Sonoma Creek Canyon Comment
  POM168221  Epipactis gigantea A. A. Heller 1902-6-24 5747 Sonoma Near Burkes Sanitarium Comment
  UC1299380  Epipactis gigantea Freed W. Hoffman 1947-5-30 518 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UC1585376  Epipactis gigantea R. Raiche, K. Zadnik, and H. Forbes 1989-10-1 UCBG 3 Sonoma On Skaggs Springs-Stewarts Point Rd. 6.9 km w Soda Springs (e of Stewarts Point, along river); Gualala River Comment
  UCD167358  Epipactis gigantea James Neilson 1982-6-12 4080 Sonoma Mayacmas Mountains. Near Castle Rock Springs Camp. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC164680  Equisetum Peter Rubtzoff 1973-9-8 7302 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC210075  Equisetum Peter Rubtzoff 1973-8-21 7255 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UC1026487  Equisetum arvense Peter Rubtzoff 1951-6-17 279 Sonoma near Forestville (n half of Lower Marsh); Pitkin Marsh Comment
  SD64379  Equisetum hyemale subsp. affine Darley F. Howe 1966-6-2 Sonoma west side of Bodega Bay, on peninsula Comment
  CAS-BOT-BC173612  Equisetum laevigatum Peter Rubtzoff 1958-4-26 3602 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC57229  Equisetum laevigatum J. W. Congdon 1880-10-27 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC57813  Equisetum laevigatum Dorothy Scherer 1997-5-6 134 Sonoma SE. of Fort Ross Cove picnic area, Fort Ross State Historic Park. 7 Comment
  UCD135619  Equisetum telmateia subsp. braunii Christine Lee 1993-4-24 80 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Hillside Trail. 381 Comment
  CAS-BOT-BC182758  Eragrostis cilianensis Peter Rubtzoff 1958-8-30 3930 Sonoma Vacation Beach, near Guerneville. Comment
  UC576297  Eragrostis cilianensis L. Whitney 1935-10-2 3634 Sonoma Santa Rosa; Santa Rosa Quad. 60 Comment
  RSA784478  Erechtites minimus Peter Rubtzoff 1958-8-23 3916 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC164648  Erechtites minimus Peter Rubtzoff 1974-8-4 7799 Sonoma Upper Green Valley Marsh area. Comment
  POM232057  Erechtites minimus Roxana S. Ferris 1937-8-18 9377 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  RSA169314  Eremocarpus setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 miles NE of Penngrove. 427 Comment
  POM138289  Eremocarpus setiger A. A. Heller 1902-7-8 8588 Sonoma Sonoma County: Mark West creek N of Santa Rosa Comment
  CAS-BOT-BC131608  Ericameria arborescens Edw. L. Greene 1888-8-31 s.n. Sonoma Petrified Forest Comment
  CAS-BOT-BC131609  Ericameria arborescens Walter Knight; Irja Knight 1963-9-1 133 Sonoma Harold Smith Ranch on Pine Mt. Rd NE of Cloverdale Comment
  CAS-BOT-BC293622  Erigeron biolettii Marcus E. Jones 1882-7-17 3620 Sonoma Duncan's [Duncans] Mills Comment
  UC895888  Erigeron biolettii Marcus E. Jones, A. M. 1882-7-17 3620 Sonoma Duncan's Mills Comment
  CAS-BOT-BC300253  Erigeron reductus var. angustatus Steve Edwards 1984-7-22 s.n. Sonoma Along Bohemian Hwy. N. of Camp Meeker Comment
  CAS-BOT-BC224152  Eriodictyon californicum Alice Eastwood 1915-6-5 4594 Sonoma Petrified Forest Comment
  CDA11915  Eriodictyon californicum G. F. Hrusa, G. L. Stebbins 1994-4-8 11733 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, Cavedale Rd. approx. 2.7 m E of Hwy 12. Comment
  JEPS128178  Eriodictyon californicum Roger Raiche 2001-5-17 023 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  SEINET11933016  Eriogonum compositum Unknown 1983-1 30373 Sonoma S side of Sweetwater Springs Rd, 3.9 mi W on Sweetwater Springs Rd. from its origin at W side hwy 122 Comment
  CAS-BOT-BC250015  Eriogonum fasciculatum var. foliolosum Dorothy Scherer 1996-9-5 066 Sonoma North side of Fort Ross Rd. at intersection with Hwy 1. Fort Ross State Historic Park 51 Comment
  CAS-BOT-BC259262  Eriogonum latifolium P. A. Munz 1936-8-7 14305 Sonoma 2 mi. north of Bodega Comment
  JEPS56788  Eriogonum latifolium W. L. Jepson 1931-7-19 15939 Sonoma sea-cliffs n of outlet (mouth) Salmon Creek Comment
  POM258435  Eriogonum latifolium C. L. Hitchcock, J. S. Martin 1939-7-15 5444 Sonoma Cliffs below Bodega State Park Comment
  UCD100328  Eriogonum latifolium Frederica Bowcutt 1984-6-24 472 Sonoma Sonoma Coast State Beaches. Duncan's Landing. 4 miles S of Jenner and the mouth of Russian River. Approx. 7 miles N of Bodega Head. 12 Comment
  CAS-BOT-BC259469  Eriogonum luteolum R. F. Hoover 1965-6-29 9476 Sonoma North of summit on Harrison Grade road near Occidental Comment
  CAS-BOT-BC259470  Eriogonum luteolum Lewis S. Rose 1955-7-11 55112 Sonoma 2 mi. e. of Occidental 243 Comment
  JEPS128231  Eriogonum luteolum Roger Raiche 1999-10-9 046 .99 Sonoma The Cedars. Barnes' Blue Spring Complex. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC259468  Eriogonum luteolum Catherine Best 1981-8-23 s.n. Sonoma Stoetz Lane, 2 m. east of Occidental Comment
  UCD100298  Eriogonum luteolum Frederica Bowcutt 1994-6-25 1912 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 Grey Pine Trail about 1/2 way between Bushy Peak Trail and Meadow Trail. 530 Comment
  UC1299720  Eriogonum nervulosum Freed W. Hoffman 1947-9-29 507 Sonoma Layton Mine Austin Creek, Layton Mine Comment
Read comments
Oct 12 2013
  UC1032215  Eriogonum nudum var. auriculatum J. B. Spring 1932-6-26 87 Sonoma 2 mi ne Kenwood; Santa Rosa Quadrangle 548 Comment
  CAS-BOT-BC261697  Eriogonum nudum var. nudum Walter Knight; Irja Knight 1963-9-15 239 Sonoma Los Alamos Rd, Santa Rosa Comment
  CDA401  Eriogonum vimineum D. G. Kelch 2003-7-14 3 .378 Sonoma Cavedale Road. Comment
  CAS-BOT-BC262388  Eriogonum vimineum G. DeNevers 1981-6-27 1706 Sonoma Pepperwood Ranch. Summit of Franz Valley Road Comment
  CAS-BOT-BC262389  Eriogonum vimineum G. DeNevers 1981-5-23 1268 Sonoma Pepperwood Ranch. Along Franz Valley Road. Bottom of Road on SW side Comment
  SEINET5781672 Image available Eriophyllum lanatum Marcus E. Jones 1882-1 2773 Sonoma Duncan's Mills Comment
  UCD160898  Eriophyllum lanatum James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3286 Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, east Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  RSA143962  Eriophyllum lanatum var. achilleoides Roxana S. Ferris, Laura Lorraine 1961-6-14 13524 Sonoma Junction of Bittner Rd. with Joy Rd. between Occidental and Bodega. Comment
  CAS-BOT-BC301281  Eriophyllum lanatum var. arachnoideum L. Constance 1938-4-24 2157 Sonoma Russian Gulch, 8 miles south of Fort Ross 121 Comment
  JEPS128258  Eriophyllum lanatum var. arachnoideum Roger Raiche 2000-4-20 039 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET7067337  Eriophyllum lanatum var. arachnoideum A. G. Vestal 1947-5-16 s.n. Sonoma About 6.7 miles East of Windsor on Mendocino Avenue. Coordinate datum: NAD27. UTM Zone 10, 523728mE, 4258330mN. Comment
  CAS-BOT-BC301293  Eriophyllum lanatum var. arachnoideum Milo S. Baker 1947-5-30 11780 Sonoma Harrison's Grade ca 2 mi. N.E. of Occidental Comment
  CAS-BOT-BC302016  Eriophyllum staechadifolium John Thomas Howell 1930-6-8 5280 Sonoma 8.5 miles n. of Bodega Bay Comment
  POM180623  Eriophyllum staechadifolium J. T. Howell 1930-6-8 5292 Sonoma 8.5 miles north of Bodega Bay. Comment
  POM358137  Eriophyllum staechadifolium Christopher Davidson 1977-6-17 5886 Sonoma Coast Hwy 1, ca. 3 miles N of Jenner. Comment
  RSA800162  Erodium Peter Rubtzoff 1974-4-17 7372 Sonoma Upper Green Valley Marsh area. Comment
  HSC8466  Erodium botrys D. Sutherland, A. Sylvester, R. Spellenberg 1343 Sonoma Road along Sulphur Creek, about 7 mi. W of the Big Geysers Comment
  RSA187471  Erodium brachycarpum John H. Thomas 1966-3-18 11482 Sonoma Edge of vineyard at Italian Swiss Colony at Asti. Comment
  RSA789044  Erodium obtusiplicatum Carrie A. Herd 1982-3-16 24 Sonoma Santa Rosa, S.W. corner of Fulton & Piner Roads Comment
  UC1365627  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1958-7-19 3769 Sonoma e. Sebastopol (Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  UC648303  Eryngium aristulatum var. aristulatum John Thomas Howell 1933-8-27 11619 Sonoma lands bordering San Pablo Bay s.w. Sonoma Comment
  RSA93411  Eryngium aristulatum var. aristulatum Milo S. Baker 1954-8-12 13036 Sonoma Coney Lake Kenwood on Coney Ranch Comment
  HSC92211  Eryngium armatum A. T. Austin 1990-5-23 Sonoma Fort Ross State Park, FR 42 Comment
  UCD150837  Eryngium armatum 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
  UC1931038  Eryngium constancei G. F. Hrusa 1996-10-5 13582 C Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m SW of Calistoga. 700 Comment
Read comments
Jan 8 2013
  UC1126593  Erysimum capitatum E. Armstrong 1934-3-26 939 Sonoma 3 mi n Camp Meeker; Sebastopol Quadrangle Comment
  JEPS46176  Erysimum capitatum var. capitatum Eleanor Armstrong 1933-4-15 792 Sonoma hillside Camp Meeker 45 Comment
  SEINET5342589  Erysimum concinnum A. A. Heller, H. E. Brown 1902-5-27 5607 Sonoma Bodega Bay. Comment
  CAS-BOT-BC54761  Erysimum franciscanum A. A. Heller; H. E. Brown 1902-5-27 5607 Sonoma Bodega Bay. Comment
  CAS-BOT-BC366860  Erythranthe guttata Greg de Nevers 1998-3-30 11151 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Martin Creek, Handley Flat 400 Comment
  SEINET12052829  Erythronium californicum F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -62 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  CAS-BOT-BC403708  Eschscholzia californica Joanne Taylor 1941-7-13 3 Sonoma Bodega Head 30 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
  CAS-BOT-BC403709  Eschscholzia californica G. DeNevers 1981-4-23 789 Sonoma Pepperwood Ranch. Pippindale farm. Pippindale Garden 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-BC202766  Euonymus occidentalis H. E. McMinn 1922-6-7 190 Sonoma Above Monte Rio Comment
  JEPS9606  Euonymus occidentalis var. occidentalis Miss Mabel White Sonoma Russian R., Camp Meeker Comment
  CAS-BOT-BC294703  Euphorbia Peter Rubtzoff 1973-8-20 7227 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente Comment
  UCD142412  Euphorbia oblongata Thomas C. Fuller 1985-5-31 20430 Sonoma East side of Arnold Drive; Hwy 116; just north of culvert no. 45.19; ca. 7 km. south of El Verano. Comment
  UCR248751  Euphorbia polycarpa Peter Rubtzoff 1987-10-17 9878 Sonoma Along Highway 116 c. 0.3 mi. SE of Forestville 37 Comment
  RSA94310  Euthamia occidentalis Peter Rubtzoff 1951-9-2 700 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC239726  Fabaceae Peter Rubtzoff 1974-6-2 7503 Sonoma Upper Green Valley Marsh 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
  UCR253367  Festuca arundinacea Peter Rubtzoff 1974-5-25 7455 Sonoma Upper Green Valley Marsh 76 Comment
  UC1023603  Festuca elmeri Mary Focht 1935-5-31 75 Sonoma Mark West Road Comment
  UC1024771  Festuca occidentalis Leo Whitney 1935-4-14 2257 a Sonoma near Occidental Comment
  UCD66173  Festuca occidentalis K. Wagnon 1939-5-14 195 Sonoma Near Wagnon Home, 5 mi. west of Sebastopol. Comment
  CAS-BOT-BC278887  Festuca occidentalis Milo S. Baker 1945-5-1 10893 Sonoma Santa Rosa Cr. Canyon, south slope Comment
  UCD66268  Festuca roemeri P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  CAS-BOT-BC279076  Festuca rubra D. E. Breedlove 1980-6-28 44795 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC304295  Filago pyramidata John Thomas Howell 1976-4-26 51595 Sonoma E of Geyserville on road to Geysers Comment
  UCR5850  Fragaria chiloensis Frank C. Vasek 1966-7-16 660716- 02 Sonoma Central Coast, Bodega Bay, Doran County Beach 1 Comment
  UC1085318  Fragaria vesca H. W. Frazier 1949-6-19 Sonoma Mount Veeder Comment
  CAS-BOT-BC457575  Fragaria vesca subsp. californica Peter Rubtzoff 1957-5-4 3304 Sonoma Upper part of Duncan's Mills Marsh, Sonoma County Marshes Comment
  CAS-BOT-BC457583  Fragaria vesca subsp. californica Peter Rubtzoff 1953-5-17 1372 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC53269  Frangula californica subsp. californica Volney Rattan 1877-6-16 s.n. Sonoma Guerneville Comment
  UCD112792  Frangula californica subsp. tomentella Roger Raiche 1985-11-29 RR 50900 Sonoma northeast end of town of Healdsburg on Reservoir Hill. 121 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
  UC1299612  Fremontodendron californicum subsp. californicum Freed W. Hoffman 1947-4-13 779 Sonoma near Guerneville (North Coast Ranges, Gilliam Creek, a branch of East Austin Creek); North Coast Ranges, Gilliam Creek Comment
  JEPS55695  Fritillaria M. and A. Ackley 1967-4-26 Sonoma 2/3 way down from summit towards Oakville (Trinity Grade Road); Trinity Grade Road 304 Comment
  CAS-BOT-BC130178  Fritillaria affinis D. E. Breedlove 1983-4-11 58687 Sonoma Pepperwood Ranch W of Knights Valley Comment
  SEINET12058214  Fritillaria affinis F. H. Utech, Kawano, S.; Ohara, M. 1995-3-26 95 -54 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  UC1084349  Fritillaria affinis G. Thomas Robbins 1937-3-25 4 Sonoma Bennett Valley, Sonoma Creek Sonoma Creek; Bennett Valley, Sonoma Creek Comment
  CAS-BOT-BC130179  Fritillaria affinis Milo S. Baker 1940-3-1 s.n. Sonoma unspecified Comment
  CAS-BOT-BC130184  Fritillaria affinis Elmer I. Applegate 1934-3-25 8851 Sonoma Sausal Creek, foothills of eastern Sonoma County, below Pine Flat Comment
  SEINET12050173  Fritillaria affinis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -200 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 800 Comment
  UC72276  Fritillaria affinis Milo S. Baker 1898-3-19 722 Sonoma near Santa Rosa (Happy Valley); Happy Valley Comment
  JEPS61915  Fritillaria liliacea Eleanor Armstrong 1933-7-10 559 Sonoma Camp Meeker Comment
  CDA30960  Galium bolanderi D. G. Kelch, Troy McGregor 2010-8-22 10 .358 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  JEPS52896  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3907 Sonoma 4.1 mi s Stewart's Point (on Hwy 1, w-facing roadbank near ocean) Comment
  HSC19809  Galium californicum subsp. californicum Lauramay T. Dempster, G. L. Stebbins 1963-8-12 3907 Sonoma Hwy. 1, 4.1 mi. S of Stewart's Point Comment
  HSC19826  Galium divaricatum Michener, Bioletti 1892-7-1 Sonoma Hood's Peak Comment
  RSA264736  Galium divaricatum Peter Rubtzoff, H. A. Froebe 1971-5-30 6497 Sonoma 4.25 miles W of Glen Ellen on Bennett Valley Road. Comment
  SEINET12271023  Galium divaricatum Unknown 1940-1 1014 Sonoma behind Fountaingrove Vneyard 3 mi N of Santa Rosa along Hwy 101 Comment
  RSA47580  Galium muricatum L. Beane, Lois E. James 1948-5-11 2071 Sonoma Between Fort Rose and Jenner. Comment
  UCD160758  Galium nuttallii James A. Neilson Jr. 1975-5-23 3219 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  JEPS52756  Galium porrigens var. porrigens Rimo Bacigalupi 1964-8-3 8999 Sonoma on stretch of road between Fort Ross and Russian Gulch (slopes 450-500 ft above and facing sea, just s of Meyer Gulch (exactly 0.9 mi n of junction of road to Seaview)) 137 Comment
  JEPS87246  Galium porrigens var. porrigens Jack and Betty Guggolz 1992-8-29 1346 Sonoma about 2 mi nnw Camp Meeker 146 Comment
  CHSC30057  Galium porrigens var. tenue Terrence Finn 1980-3-15 16 Sonoma Plant found just under Buzzard Rock. 85 Comment
  UCD121949  Galium triflorum Roxana S. Ferris; Laura Lorraine 1961-6-14 13532 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway. Comment
  RSA790991  Gamochaeta ustulata Peter Rubtzoff 1974-5-25 7458 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC303504  Gamochaeta ustulata 1877-1-1 s.n. Sonoma Guerneville Comment
  JEPS128192  Garrya elliptica Roger Raiche 1999-12-25 055 .99 Sonoma The Cedars. Laton Camp. Lower Russian River, Big Austin Creek watershed. Comment
  UCD121107  Garrya elliptica W. Robert Powell 1978-6-22 2695 Sonoma Along State Highway 1 at Miller Creek, ca. 1 mile southwest of Plantation. 15 Comment
  CAS-BOT-BC182164  Garrya fremontii Walter Knight; Irja Knight 1963-12-27 466 Sonoma Summit, Pine Flat Rd. Comment
  UCSB4684  Garrya fremontii Keator, Glenn 1959-4-2 Sonoma slopes of St. Helena; 9.1 miles north of Calistoga Comment
  CAS-BOT-BC311826  Gastridium Peter Rubtzoff 1973-8-20 7226 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA0022446  Gastridium phleoides Peter Rubtzoff 1971-7-9 6599 Sonoma 4.25 mi W of Glen Ellen on Bennett Valley Road. Comment
  CDA21217  Gaudinia fragilis J. Valerius, D. Lake 2002-6-25 s.n. Sonoma Cloverdale; scraped area NW of intersection of Asti Road and South Cloverdale exit ramp from Hwy 101. 0 Comment
  UCD105714  Genista monspessulana Frederica Bowcutt; Kate Mawdsley 1996-3-24 2093 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 1/4 air miles SW of Red Mountain. Just E of Goodspeed Trailhead, along Adobe Canyon Road immed. N of road, just S of Sonoma Creek. 243 Comment
  SEINET7067224  Gilia capitata A. G. Vestal 1947-5-12 s.n. Sonoma About 1 mile east of Occidental on the Occidental Road. Coordinate datum: NAD27. Comment
  JEPS27966  Gilia capitata subsp. capitata Rimo Bacigalupi and L. Heckard 1961-6-9 7741 Sonoma about 3/4 mi nw Occidental School (along Stoetz Lane, about 1/2 mi nw of its junction with Harrison Grade road); nw of Occidental School 228 Comment
  SD60184  Gilia capitata subsp. chamissonis Roxana S. Ferris 1932-5-27 8259 Sonoma Sand dunes, upper Bodega Bay. Comment
  UC1303053  Gilia capitata subsp. chamissonis Roxana S. Ferris 1932-5-27 8259 Sonoma upper Bodega Bay 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
  CAS-BOT-BC226166  Gilia capitata subsp. tomentosa Alice Eastwood 1915-6-29 4826 Sonoma Bodega Point Comment
  POM179726  Gilia capitata subsp. tomentosa J. T. Howell 1930-6-8 5365 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC225467  Gilia millefoliata Alice Eastwood 1915-6-29 4825 Sonoma Bodega Point Comment
  SEINET7075497  Gilia tricolor subsp. diffusa A. G. Vestal 1955-5-8 s.n. Sonoma Valley of the Moon south of Kenwood. 38? deg. 23' 26" North Latitude, -122? deg. 31' 35" West Longitude. UTM Zone 10, 541365mE, 4249039mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  UC30183  Gilia tricolor subsp. diffusa W. H. Brewer 1862-4-18 967 Sonoma near Sonoma; near Sonoma Comment
  JEPS41067  Githopsis diffusa subsp. robusta Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9111 Sonoma between 1 and 1.25 mi due w Napa County line (along the Franz Valley School road) 219 Comment
  SEINET10464458  Githopsis diffusa subsp. robusta Michener 1892-5-30 MICHENER 1411 Sonoma Comment
  CAS-BOT-BC227639  Glyceria Peter Rubtzoff 1966-5-7 5707 Sonoma North side of Hessel Road, just west of Hwy. 116. Comment
  SEINET10817021  Glyceria P. Rubtzoff 1964-6-24 Rubtzoff 5379 Sonoma Coleman Marsh. Comment
  RSA786605  Glyceria declinata Peter Rubtzoff 1966-4-30 5687 Sonoma North side of Highway 116, 0.5 mile northwest of Stony Point Road crossing. Comment
  CAS-BOT-BC282725  Glyceria elata Peter Rubtzoff 1951-6-9 160 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
  CAS-BOT-BC282809  Glyceria leptostachya Peter Rubtzoff 1960-6-8 4462 Sonoma Fife Creek Marsh Comment
  RSA786496  Glyceria leptostachya Peter Rubtzoff 1969-7-5 6109 Sonoma 5.25 mi NE of Penngrove, near Lichan Road. Comment
  CAS-BOT-BC303853  Gnaphalium F. G. Krauss 1893-10-4 s.n. Sonoma Krauss Ranch, 5 miles W of Calistoga Comment
  CAS-BOT-BC173576  Gnaphalium Peter Rubtzoff 1968-8-18 5931 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC166676  Gnaphalium chilense Peter Rubtzoff 1958-8-16 3884 Sonoma Laguna de Santa Rosa, north of Sepastopol, near Occidental Road. Comment
  CAS-BOT-BC166936  Gnaphalium chilense Peter Rubtzoff 1955-8-14 2052 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC166790  Gnaphalium palustre Peter Rubtzoff 1959-6-20 4164 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC176132  Gnaphalium palustre Peter Rubtzoff 1955-8-27 2098 Sonoma Bennett Mountain Lake. Comment
  CDA13133  Gnaphalium palustre G. F. Hrusa, R. Gross 1996-6-3 13068 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
  CDA6006  Gnaphalium purpureum T. C. Fuller 1958-5-24 3986 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  SEINET7098052  Gnaphalium purpureum A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point 38?_39'17" N, 123?_24'25" W. UTM Zone 10, 464591mE, 4278330mN. Comment
  CAS-BOT-BC305182  Grindelia hirsutula Marcus E. Jones 1931-7-5 29142 Sonoma The Geysers Comment
  UC196832  Grindelia hirsutula J. W. Congdon 1881-5-23 Sonoma Petaluma Comment
  UC32138  Grindelia hirsutula F. T. Bioletti 1891-1 Sonoma Glen Ellen Comment
  UC479502  Grindelia hirsutula Marcus E. Jones, A. M. 1931-7-5 29142 Sonoma The Geysers Comment
  POM202659  Grindelia hirsutula var. davyi J. T. Howell 1932-10-9 10816 Sonoma 6 miles from Sonoma on road to Napa. Comment
  UC584185  Harmonia nutans J. Clausen 1935-5-24 1077 Sonoma first ravine above Kenwood Springs; Adobe Canyon, Sonoma Creek Comment
  CAS-BOT-BC306328  Hedypnois cretica John Thomas Howell 1931-4-18 6423 Sonoma At mouth of Salmon Creek, 2 miles n. of Bay Comment
  CAS-BOT-BC306329  Hedypnois cretica D. Breedlove 1975-4-28 39495 Sonoma Near Doran Beach, Bodega Bay Comment
  CAS-BOT-BC306771  Helenium bigelovii John Thomas Howell 1945-5-30 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC262983  Helenium puberulum Peter Rubtzoff 1954-8-4 1655 Sonoma North side of the Guerneville Marsh. Comment
  CAS-BOT-BC309578  Helenium puberulum G. DeNevers 1981-6-18 1572 Sonoma Pepperwood Ranch. Pippindale Pond Comment
  CAS-BOT-BC309579  Helenium puberulum G. DeNevers 1981-5-30 1386 Sonoma Pepperwood Ranch. Shore of Pippindale Pond Comment
  CAS-BOT-BC309584  Helenium puberulum D. E. Breedlove 1961-12-31 1442 Sonoma At S side of mouth of Russian River 6 Comment
  UCD132751  Helenium puberulum Mary M. Hektner 1974-7-27 181 -A Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS25146  Helianthella californica subsp. californica G. Thomas Robbins 1959-5-16 4016 Sonoma Spring Mtn. Road between Calistoga Road and Sonoma-Napa County line; Mayacamas Mts. 304 Comment
  CAS-BOT-BC305580  Helianthus bolanderi R. Bacigalupi 1948-3-6 2583 Sonoma The Geysers, just above the resort Comment
  JEPS67991  Heliotropium curassavicum Milo S. Baker 1923-8-26 440 Sonoma Russian R. bed near Geyserville; Russian R. Comment
  UC578052  Helminthotheca echioides H. S. Yates 1935-10-3 5343 Sonoma Santa Rosa Santa Rosa Quad., Santa Rosa 53 Comment
  UCD148377  Helminthotheca echioides Peter Rubtzoff 1955-9-24 2155 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC157674  Hemizonia Peter Rubtzoff; Nancy Harrison 1976-6-18 8640 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC305993  Hemizonia David D. Keck; J. Clausen 1935-6-15 3371 Sonoma 1 mile north of mouth of Salmon Creek Comment
  RSA800068  Hemizonia Peter Rubtzoff, Nancy Harrison 1974-9-7 7875 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  CAS-BOT-BC257145  Hemizonia Peter Rubtzoff 1963-7-14 5206 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC262975  Hemizonia Peter Rubtzoff 1954-8-3 1646 Sonoma Bodega Head Marsh. Comment
  RSA796177  Hemizonia Peter Rubtzoff 1966-8-25 5804 Sonoma Marshes: Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  UC88997  Hemizonia clevelandii Katharine Brandegee Sonoma Verano Comment
  RSA81675  Hemizonia congesta James I. McMurphy 1909-5-30 s.n. Sonoma Between Windsor and Healdsburg. Comment
  UCSC000757  Hemizonia congesta subsp. clevelandii M. Alice King October 1896 s.n. Sonoma near Healdsburg Comment
  CAS-BOT-BC306161  Hemizonia congesta subsp. clevelandii Walter Knight; Irja Knight 1963-9-25 119 Sonoma Blue Bell Lane, Coddingtown Comment
  CAS-BOT-BC306242  Hemizonia congesta subsp. congesta James I. McMurphy 1908-9-26 s.n. Sonoma Foothills east of Fulton Comment
  CDA6571  Hemizonia congesta subsp. congesta T. C. Fuller 1958-5-24 4003 Sonoma 1/2 mile east of Occidental, State Department of Forestry Station. 0 Comment
  UC990602  Hemizonia congesta subsp. congesta James I. McMurphy 1908-9-1 Sonoma near Fulton; George's Vineyard Comment
  CAS-BOT-BC309684  Hemizonia congesta subsp. lutescens R. F. Hoover 1969-8-31 11567 Sonoma Adobe Road and Casa Grande Road near Petaluma Comment
  CAS-BOT-BC309716  Hemizonia congesta subsp. lutescens John Thomas Howell 1930-7-27 5411 Sonoma 4 miles north of Bodega Bay Comment
  CAS-BOT-BC309678  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 714 Sonoma On road to Petaluma, 4-1/2 miles south of Santa Rosa Comment
  CAS-BOT-BC309679  Hemizonia congesta subsp. lutescens H. M. Hall 1930-10-4 12950 Sonoma South of Petaluma Comment
  CAS-BOT-BC309939  Hemizonia congesta subsp. luzulifolia Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4755 Sonoma The Cedars, near Cazadero on Twitchell Ranch 228 Comment
  UCR233088  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2806 Sonoma North Coast Ranges, Sonoma Valley, Glen Ellen area, entrance road to Sonoma Valley Regional Park, 0.1 mi. west of Hwy 12 110 Comment
  CAS-BOT-BC306255  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2731 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  CAS-BOT-BC309938  Hemizonia congesta subsp. luzulifolia Walter Knight; Irja Knight; J. T. H. 1984-9-26 5234 Sonoma 5.9 mi. up Cavedale Rd. Comment
  UC295870  Hemizonia congesta subsp. luzulifolia H. M. Hall 1924-8-13 12100 Sonoma n of Healdsburg Comment
  UCD132140  Hemizonia congesta subsp. luzulifolia Frederica Bowcutt 1994-6-24 1889 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. Vista Trail about 1/4 way from Bald Mountain Trail to Headwaters Trail. 554 Comment
  UCD132141  Hemizonia congesta subsp. luzulifolia Frederica Bowcutt 1994-7-5 1940 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, W of Bear Creek along Goodspeed Trail just as the vegetation shifts from mixed evergreen forest to serpentine chaparral. 536 Comment
  RSA81602  Hemizonia pungens subsp. pungens James I. McMurphy 1909-8-9 712 Sonoma Hills between Sonoma and Petaluma. Comment
  UC581116  Hesperevax sparsiflora var. sparsiflora H. L. Mason 1934-4-28 8082 Sonoma Jensen's Ranch; Dohrmann Creek Comment
  OBI70563  Hesperocyparis macnabiana D. G. Kelch 2007-5-13 7 .284 Sonoma Cavedale Rd 518 Comment
  JEPS128297  Hesperolinon micranthum Roger Raiche 2010-6-16 023 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1212244  Hesperolinon micranthum Freed W. Hoffman 1947-5-18 773 Sonoma near Camp Meeker; Inner North Coast Ranges, Dutch Bill Creek Comment
  UC903740  Hesperolinon micranthum Milo S. Baker 1947-5-5 11728 Sonoma s slope of mountain above Baker Ranch; Inner North Coast Ranges, Hood Mt. 213 Comment
  RSA151834  Hesperolinon micranthum H. K. Sharsmith 1947-5-30 3965 Sonoma Southern slope of Hood Mountain, volcanic rock, altitude 800 feet, near Grant line. 244 Comment
  RSA126155  Hesperolinon spergulinum Milo S. Baker 1946-7-4 11525 Sonoma Harrison Grade, 1 mi N.E. of Occidental in serpentine area. Comment
  CAS-BOT-BC311021  Heterotheca oregona G. DeNevers; S. Castagnoli 1981-8-2 1797 Sonoma Pepperwood Ranch. Along Mark West Creek Comment
  RSA0075934  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Banks of Russian River. Comment
  JEPS2470  Heterotheca sessiliflora subsp. bolanderi W. L. Jepson 1933-8-1 16550 a Sonoma Agua Caliente Comment
  UC420433  Heuchera micrantha var. erubescens Milo S. Baker 1898-6-11 678 Sonoma Little Sulphur Creek 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
  CAS-BOT-BC424433  Heuchera pilosissima Alice Eastwood 1917-5-13 s.n. Sonoma At the bay, Bodega Point Comment
  CAS-BOT-BC319706  Hieracium albiflorum Peter Rubtzoff 1952-6-3 1157 Sonoma South slopes of Fitch Mtn. near Healdsburg Comment
  UCD35325  Hieracium albiflorum Beecher Crampton 1955-6-8 2825 Sonoma 7 miles northwest of Calistoga. Comment
  CDA10947  Hierochloe occidentalis G. F. Hrusa, G. L. Stebbins 1994-3-28 11705 Sonoma North Coast Biodiversity Arena; Colony in shade of redwoods, 14 m. W of Cazadero in cut-over forest-this a remnant patch. On flats. Perennial. 0 Comment
  CDA12904  Hierochloe occidentalis G. F. Hrusa, R. Gross, F. Luna 1996-3-29 12738 Sonoma North Coast Biodiversity Arena; Upper shaded slopes of Neeley Hill. S end of Neeley Rd. approx. 2 m. S of Guerneville and 3 m. N of Bohemian Grove on Russian River. Perennial, bunching. Uncommon here. Comment
  CAS-BOT-BC55454  Hirschfeldia incana Mary P. Wells 1985-5-26 503 Sonoma By the coast Highway, north of mouth of Russian River. Comment
  UC16300  Hoita macrostachya Alice King June, 1897 Sonoma Healdsburg Comment
  CDA9234  Hoita orbicularis D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  UC1056243  Holcus lanatus Virginia E. Long 1930-9-13 6 a Sonoma about 10 mi n Cloverdale Comment
Read comments
Aug 15 2010
  UC573681  Holcus lanatus H. S. Yates 1936-5-16 5595 Sonoma 2 mi se Forestville (<Pitkin Marsh>); Sebastopol Quad. Comment
  UCD84980  Holcus lanatus H. S. Yates 1936-5-16 5595 Sonoma 2 miles SE of Forestville. 30 Comment
  CAS-BOT-BC376282  Holocarpha virgata Greg de Nevers 1995-9-30 10774 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  SDSU1671  Holocarpha virgata D. F. Howe 1965-8-3 4104 Sonoma 4.4 miles west of Santa Rosa. Comment
  JEPS83481  Holodiscus discolor R. D. Stone 1985-5-29 672 Sonoma Cobb Mt.; ; upper Cobb Creek drainage ca. 1.1 mi. SW of Cobb Mt. summit 1066 Comment
  UC70429  Holodiscus discolor Willie Randall 1898-6-1 607 Sonoma near Sebastopol Comment
  POM91554  Holodiscus discolor Marcus E. Jones 1882-7-18 3579 Sonoma Duncan's Mills. Comment
  UCD113344  Holodiscus discolor Frederica Bowcutt 1996-5-23 2148 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 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon at toe of Sugarloaf Ridge just S of campground on rocky slope. 377 Comment
  CAS-BOT-BC152390  Holodiscus discolor var. discolor James Jokerst 1985-5-29 2390 Sonoma Near Cobb Mountain, Whispering Pines Quad. 1126 Comment
  UC990581  Holozonia filipes James I. McMurphy 1909-8-18 704 Sonoma Kenwood Comment
  RSA523929  Holozonia filipes R. C. Bacigalupi, Peter Rubtzoff 1976-8-6 s,n, Sonoma Knights Valley. Ffat off S side of Bavarian Lion Company ranch road (between it and a creek), 1-1.5 miles W of its junction with Franz Valley Road. (0.4 mile S of Hwy 128). Comment
  UCD148362  Holozonia filipes Peter Rubtzoff 1955-8-27 2095 Sonoma Bennett Mountain Lake. Comment
  SEINET257718 Image available Hordeum brachyantherum M. Barkworth, D Amme 1989-6-15 5173 Sonoma South end of Bodega Head on restored grassland. 81 Comment
  SEINET257978 Image available Hordeum brachyantherum Mary E. Barkworth, D Amme 1989-6-15 5174 Sonoma S end of Bodega Head on restored grassland 81 Comment
  SEINET257982  Hordeum brachyantherum Mary E. Barkworth, D Amme 1989-6-15 5173 Sonoma S end of Bodega Head onrestored grassland Comment
  CAS-BOT-BC289283  Hordeum brachyantherum subsp. brachyantherum Walter Knight; Irja Knight; J. T. Howell 1987-5-22 6271 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC289291  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1955-4-30 1796 Sonoma Stony Point Marsh Comment
  SEINET10927332  Hordeum jubatum Alan A. Beetle, G. Ledyard Stebbins Beetle 3577 Sonoma Corner of Wright Road & Rt. 12 in outskirts of Santa Rosa, open field, clay loam. 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
  UCD85813  Hordeum marinum subsp. gussoneanum A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3571 Sonoma 7 miles northwest of Santa Rosa, on road to Calistoga. Comment
Read comments
Sep 11 2012
  CAS-BOT-BC284843  Hordeum murinum subsp. glaucum A. A. Heller 1902-4-11 5278 Sonoma Bodega Bay Comment
  UCD85936  Hordeum murinum subsp. glaucum Frederica Bowcutt 1984-6-24 465 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg. Old home site near existing barn along road to Gerstle Cove parking lot. Northwest of Gerstle Cove approx. 1/4 mile. West of Highway 1. 30 Comment
  RSA123428  Hordeum murinum subsp. glaucum R. W. Lundh 1932-7-19 118 Sonoma 1/2 mile W. Los Alamos School 518 Comment
  CAS-BOT-BC282021  Hordeum murinum subsp. leporinum Peter Rubtzoff 1960-5-22 4400 Sonoma Laguna de Santa Rosa area E of Graton (between Occidental and Guerneville Rds) Comment
  UC582808  Horkelia californica P. A. Munz 1936-8-7 14309 Sonoma 6 mi n Bodega Bay Comment
  UCR20670  Horkelia californica John C. Roos 1950-7-22 4870 Sonoma North Coast, Jenner, slopes above sea bluffs 61 Comment
  CAS-BOT-BC146522  Horkelia tenuiloba John Thomas Howell 1955-6-2 30258 Sonoma Near Vine Hill School Comment
  CDA25951  Horkelia tenuiloba T. C. Fuller 1958-5-24 3998 Sonoma Vinehill District. 0 Comment
  CAS-BOT-BC146506  Horkelia tenuiloba Mr. Floyd Bailey; Mrs. Floyd Bailey 1925-4-26 96 a - local Sonoma Plantation Comment
  CDA34812  Humulus lupulus Peter Warner 2010-7-29 172 Sonoma State Hwy. 116, at 21.31 mile mark, ~2.53 km, E143 deg. S of Forestville, along W side of highway. Comment
  CDA38357  Hydrocotyle ranunculoides D. E. Bayer 1960-9-29 s.n. Sonoma Santa Rosa City disposal plant. 0 Comment
  UCD110333  Hypericum anagalloides Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1971-7-21 158 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC410825  Hypericum concinnum D. E. Breedlove 1980-6-28 44803 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC19034  Hypericum concinnum H. N. Bolander 1864-1 3948 Sonoma at the Geysers Comment
  UCD110361  Hypericum concinnum E. Frost 1996-5-26 22 Sonoma Mt. St. Helena, 180 yards in along hiking trail. 609 Comment
  CAS-BOT-BC410820  Hypericum concinnum Volney Rattan 1877-1-1 s.n. Sonoma Cloverdale Comment
  SEINET5501095  Hypericum concinnum Sally Walker 1981-5-18 Sonoma Franz Valley Rd, .10 mi S of F.V. School Rd. Comment
  CAS-BOT-BC401290  Hypericum perforatum Peter Rubtzoff 1956-9-16 2922 A Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC210083  Hypochaeris glabra Peter Rubtzoff 1974-5-18 7437 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC316681  Hypochaeris glabra A. A. Heller 1902-6-7 5661 Sonoma Bennett Valley southeast of Santa Rosa Comment
  UC909545  Iris douglasiana E. W. Gifford Aug 1950 Sonoma near Stewart's Point (adjacent to coast) 304 Comment
  HSC13851  Iris douglasiana H. E. Parks, S. T. Parks 1930-5-9 619 Sonoma Head of Alexander Valley Comment
  SDSU11765  Iris douglasiana D. F. Howe 1963-5-23 3533 Sonoma 4.5 miles north of Cloverdale on #128. 366 Comment
  HSC34854  Iris fernaldii Thomas W. Nelson, James Nelson 1975-5-5 1806 Sonoma Beside Hwy. 29 at the petrified forest Comment
  RSA137360  Iris fernaldii Lee W. Lenz, E. K. Balls 1951-5-3 16401 Sonoma About 1 mile east from Petrified Forest on road to Calistoga 610 Comment
  RSA137361  Iris fernaldii Lee W. Lenz, E. K. Balls 1952-5-8 17107 Sonoma To Mark West Springs and Santa Rosa to Kellogg and Petrified Forest 76 Comment
  RSA137406  Iris fernaldii Lee W. Lenz 1952-5-8 17106 Sonoma Near junction of road from Calistoga to Santa Rosa with that to Mark West Springs Comment
  UC972202  Iris longipetala J. Harry Goff 1935-4-25 Sonoma Kenwood; Goff Ranch Comment
  RSA178012  Iris macrosiphon Robert F. Thorne 1965-4-19 34291 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  SEINET7883381 Image available Iris macrosiphon Laura Zeller 1965-1 2 Sonoma Ca. 1.5 miles E of Highway 12 on Cavedale Road 198 Comment
  RSA48725  Iris missouriensis Lee W. Lenz 1949-5-2 14428 Sonoma 3 miles from junction of State Highway 12 and road to Calistoga Comment
  HSC100969  Isoetes howellii Peter Warner 2011-5-27 208 Sonoma Cresta Ranch, Cresta Rd. (off Mark West Springs Rd. at Mark West Lodge), ~1.6 km E of this junction on N edge of road. 0 Comment
  CAS-BOT-BC164685  Isoetes nuttallii Peter Rubtzoff; Nancy Harrison 1978-5-20 9182 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC61918  Isoetes nuttallii John Thomas Howell 1947-6-26 23301 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC61921  Isoetes nuttallii J. Clausen 1935-5-24 1078 Sonoma Adobe Canyon along Sonoma Creek Comment
  UCD110266  Juglans hindsii Frederica Bowcutt 1997-7-20 2202 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 3 air miles NE of Kenwood, 1.5 air miles ENE of Mt. Hood, 1 air mile NW of Bald Mtn. Bear Crk. Ranch in headwaters of the Bear Crk. 609 Comment
  UCD161825  Juncus James A. Neilson Jr. 1975-5-23 3197 Sonoma Abril property, Big Sulphur Creek. (Exact location unkown, coordinates estimated by label maker.) Comment
  JEPS63823  Juncus balticus J. Burtt Davy 1897-9-18 4051 Sonoma Petaluma marshes Petaluma Comment
  UCR250377  Juncus balticus Peter Rubtzoff 1955-7-24 1989 Sonoma Forestville Marsh 71 Comment
  UCD164998  Juncus bolanderi Peter Rubtzoff 1974-9-7 7882 Sonoma Hinebaugh Creek in Rohnert Park, creek bed east of Commerce Blvd. crossing. Comment
  UCD141316  Juncus bolanderi Mary M. Hektner 1976-8-26 265 Sonoma Unit 28 Owner;s Map, Sea Ranch, near State Highway 1. Comment
  SD40344  Juncus bufonius Edith A. Purer 1932-7-24 4083 Sonoma Near Bodega Bay, stabilized dunes. Comment
  SEINET3877577  Juncus bufonius A. A. Heller 1902-6-11 5688 Sonoma Santa Rosa creek, east of Santa Rosa.; 0 Comment
  UC1026489  Juncus bufonius Peter Rubtzoff 1951-6-7 125 Sonoma near Forestville (uppermost part of the w branch of the Upper Marsh); Pitkin Marsh Comment
  UCR244616  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-7-13 5920 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC164047  Juncus effusus subsp. pacificus Peter Rubtzoff 1971-7-23 6620 Sonoma Sonoma: Spring Hill Road, 2.7 miles southeast of Bodega Hwy (of Two Rock Church) Comment
  RSA368221  Juncus effusus subsp. pacificus Christopher Davidson 1977-6-20 6025 Sonoma Dry Creek Road, 11.9 miles W of Geyserville. Gravel bar in Warm Springs Creek. 137 Comment
  RSA790719  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5907 Sonoma Lichan Marsh. Comment
Read comments
Apr 16 2014
  UCD141504  Juncus effusus subsp. pacificus Frederica Bowcutt 1984-6-23 427 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along the Sonoma County coast. Immediately SW of park entrance, West of Highway 1 and NW of Gerstle Cove along park road. 30 Comment
  UCD166110  Juncus hemiendytus var. hemiendytus Peter Rubtzoff 1972-4-23 6733 Sonoma Vernal pool, 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC164051  Juncus hesperius Peter Rubtzoff 1970-9-3 6375 Sonoma Sonoma: Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing Comment
  UCD166109  Juncus kelloggii Peter Rubtzoff 1972-4-23 6732 Sonoma Vernal pool, 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  POM261452  Juncus kelloggii Alice Eastwood, John Thomas Howell 1940-5-5 7866 Sonoma Summit of Bennett Valley Road. Comment
  CAS-BOT-BC322118  Juncus lescurii Peter Rubtzoff 1961-8-6 4676 Sonoma Americans Creek, 0.5 mi. east of Valley Ford. Comment
  CAS-BOT-BC322119  Juncus lescurii Peter Rubtzoff 1954-8-3 1647 Sonoma Bodega Head Marsh. Comment
  SEINET6744753 Image available Juncus lescurii S. Saufferer 1973-5-24 218 Sonoma Bodega Bay. Comment
  UCD141578  Juncus lescurii Terri Williamson 1990-5-20 64 Sonoma Bayflat Road. Bodega Bay. 3 Comment
  UCD19308  Juncus lescurii Terry Reedy 1974-5-11 207 Sonoma Bodega Head, in freshwater marsh. 6 Comment
  JEPS73357  Juncus phaeocephalus Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 742 Sonoma 1 mi w Two Rock Junction Comment
  UCR248901  Kickxia elatine Peter Rubtzoff 1971-8-9 6633 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  SEINET12333747  Kickxia elatine W. Knight, Wagnon, K. 1987-1 s.n. Sonoma Willow Creek between Corona Rd & Old Redwood Highway 6 Comment
  UCR248737  Kickxia spuria Peter Rubtzoff 1970-9-8 6381 Sonoma marsh on River Road, c. 3 miles west of Fulton 27 Comment
  UC1132153  Koeleria macrantha H. S. Yates 1937-5-3 6561 Sonoma 1 1/2 mi wnw Mark West Springs; Calistoga Quadrangle Comment
  CAS-BOT-BC273792  Koeleria pyramidata A. A. Heller 1902-4-23 5352 Sonoma Near Sonoma Comment
  CAS-BOT-BC340486  Lactuca saligna Walter Knight; Irja Knight 1963-9-15 240 Sonoma Los Alamos Rd, Santa Rosa Comment
  SEINET10589342  Lagurus Alan A. Beetle 1941-7-8 Beetle 2856 Sonoma 1 mile north of Steward Point, open coastal bluffs. Assoc. Sedum, Phacelia. Comment
  CAS-BOT-BC274318  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point Comment
  SD34488  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point, open coastal bluffs Comment
  CAS-BOT-BC274319  Lagurus ovatus Mary P. Wells 1981-8-2 s.n. Sonoma Trail north of Crow's Nest and east of Spyglass Lane, The Sea Ranch Comment
  SJSU9868  Lagurus ovatus S. H. Casey 1969-5-13 238 Sonoma 3 mi N of Stewarts Point Comment
  JEPS86320  Lasthenia burkei Jack and Betty Guggolz 1988-4-17 915 Sonoma 400 m n San Miguel Road (200 m e of Franciscan Road) Comment
  JEPS86747  Lasthenia burkei Jack and Betty Guggolz 1990-4-6 1028 Sonoma 1.25 mi nw old Windsor (just n of Promenade Lane and e of Herb Lane) 45 Comment
  JEPS86749  Lasthenia burkei Jack and Betty Guggolz 1990-5-5 1048 Sonoma n side Piner Road (w of Olivet Road) Comment
  JEPS86321  Lasthenia burkei Jack and Betty Guggolz 1988-4-14 914 Sonoma Comment
  CAS-BOT-BC346332  Lasthenia californica G. DeNevers 1981-4-18 739 Sonoma Pepperwood Ranch. By the Studio Comment
  RSA585976  Lasthenia californica Adree M. Desrochers 1989-4-18 451 Sonoma 12 miles S of Fort Ross State Historic Park; on W side of Hwy 1. Comment
  CAS-BOT-BC324933  Lasthenia californica subsp. bakeri Milo S. Baker 1938-5-14 s.n. Sonoma Larkspur Rock east of Bay Comment
  UC90021  Lasthenia californica subsp. bakeri Katharine Brandegee 1905-6-27 Sonoma Bodega Bay Comment
  CAS-BOT-BC324412  Lasthenia californica subsp. macrantha Paul F. Covel 1938-7-11 1426 Sonoma Near Salmon Beach Comment
  CAS-BOT-BC352755  Lasthenia fremontii John Thomas Howell 1943-5-10 17989 Sonoma 1 mile N of Windsor Comment
  UC1224622  Lasthenia glaberrima Peter H. Raven 1963-4-28 18254 Sonoma 4.7 mi s El Verano (on Arnold Dr.) Comment
  CAS-BOT-BC355532  Lasthenia glaberrima Peter Rubtzoff 1969-5-24 6054 Sonoma 6.5 mi. NE of Penngrove, on Lichan Road 426 Comment
  RSA276854  Lasthenia glaberrima Peter Rubtzoff 1966-5-30 5747 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road Comment
  UC828906  Lasthenia glaberrima Leo Koch 1939-4-23 604 Sonoma along Game Refuge Road off Petaluma Hill Road Comment
  HSC100946  Lasthenia gracilis Peter Warner 2011-3-26 182 Sonoma Annadel State Park, ~50 m E upslope from Live Oak Trail, ~200 m N of junction with Rough Go Trail. 229 Comment
  CAS-BOT-BC370852  Lasthenia minor John Thomas Howell 1931-4-18 6420 Sonoma mouth of Salmon Creek, 2 miles n. of Bay Comment
  RSA19275  Lasthenia minor Jens Clausen 1935-5-24 1084 Sonoma 5 miles S of Jenner. Comment
  UC893773  Lasthenia minor Milo S. Baker 1931-4-15 5385 Sonoma mouth of Salmon Cr. Comment
  CAS-BOT-BC474560  Lathyrus hirsutus Ayzik Solomeshch 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, N of city of Rohnert Park, E of Hwy 101 and S of Horn Ave. Vegetation plot sampling from pool #1 30 Comment
  CAS-BOT-BC204993  Lathyrus jepsonii var. californicus Alice Eastwood; John Thomas Howell 1936-5-19 2523 Sonoma 2 miles n. of Windsor Comment
  SEINET12165541  Lathyrus vestitus subsp. bolanderi F. H. Utech 1986-1 86 -119 Sonoma ca 6 mi NE on Cavedale Road 600 Comment
  CDA389  Lavandula stoechas D. G. Kelch 2003-7-14 3 .277 Sonoma Cavedale Road. Comment
Read comments
Feb 14 2018
  UCR244752  Layia Peter Rubtzoff 1969-5-3 6010 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastopol 21 Comment
  SEINET7067252  Layia chrysanthemoides A. G. Vestal 1947-5-13 s.n. Sonoma South Sonoma Coast, about 1.3 miles north of Salmon Creek on Route 1. Coordinate datum: NAD27. Comment
  CAS-BOT-BC323255  Layia chrysanthemoides H. N. Bolander 1864-4-18 3902 Sonoma Santa Rosa Valley. [noted on sheet: in meadow at Mark West, Sonoma County] Comment
  HSC103521  Layia chrysanthemoides Thomas W. Nelson, Jane Nelson 1981-5-3 6469 Sonoma Along Presseley Rd., ~ 3 mi. N of junction with Roberts Rd. Comment
  POM53346  Layia chrysanthemoides A. A. Heller, H. E. Brown 1902-4-23 5355 Sonoma Near Sonoma. Comment
  CAS-BOT-BC379623  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 miles south of Jenner Comment
  UC1073293  Layia platyglossa George B. Rossbach 1955-3-19 547 Sonoma w rim Bodega Head; w rim of Bodega Head 45 Comment
  CAS-BOT-BC183607  Leersia Peter Rubtzoff 1965-10-17 5660 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  CAS-BOT-BC266610  Legenere limosa Peter Rubtzoff 1969-5-24 6051 Sonoma 6.5 miles NE of Penngrove, on Lichau Road 426 Comment
  CAS-BOT-BC210103  Lemna Peter Rubtzoff 1970-8-18 6315 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC210110  Lemna Peter Rubtzoff 1970-5-30 6253 Sonoma 5 miles north of Sears Point. Comment
  RSA127055  Lemna gibba J. T. Howell 1946-9-20 23028 Sonoma Near Twin Rocks Comment
  RSA785223  Lemna gibba Peter Rubtzoff 1969-7-5 6106 Sonoma 5.25 mi NE of Penngrove, near Lichan Road. Comment
  UCR255528  Lemna minor Peter Rubtzoff 1958-7-19 3781 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC527280  Lemna minuta Peter Rubtzoff 1951-7-8 385 Sonoma Lower part of Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC527285  Lemna minuta Peter Rubtzoff 1964-9-3 5492 Sonoma Laguna de Santa Rosa area east of Cunningham near Llano Road Comment
  UCR256276  Lemna valdiviana Peter Rubtzoff 1961-8-24 4710 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River 3 Comment
  CAS-BOT-BC534883  Lemna valdiviana Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5847 Sonoma Llano Road near sewage disiposal plant near bridge on water of Laguna de Santa Rosa Comment
  RSA0065911  Lemna valdiviana Peter Rubtzoff 1958-8-23 3899 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road. Comment
  CAS-BOT-BC177112  Lepidium didymum Peter Rubtzoff 1960-5-15 4333 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC12658  Lepidium nitidum A. A. Heller; H. E. Brown 1902-3-12 5048 Sonoma Sonoma Creek, eastern base of Mount Hood. Comment
  CDA15514  Lepidium strictum Sallee 1999-5-6 PDR 009208 Sonoma North Coast Ranges; Sonoma Co. Ag. Comm. office complex, Santa Rosa. 0 Comment
  SD7456  Leptosiphon ciliatus unknown 1892-1 Sonoma Comment
  CAS-BOT-BC226695  Leptosiphon jepsonii Rimo Bacigalupi 1926-5-2 1366 Sonoma Cazadero Comment
  CAS-BOT-BC376428  Leptosiphon jepsonii Greg de Nevers 1995-6-3 10746 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Road to Weimar Flat. 400 Comment
  UCR261617  Leptosiphon latisectus Ann Howald 2003-3-8 2274 Sonoma Inner North Coast Ranges, Mayacamas Mountains, Sugarloaf Ridge State Park, McCormick Addition, c. 0.1 mile east of intersection of Headwaters Trail and Grandmother Oaks Trail 450 Comment
  HSC101103  Leptosiphon parviflorus Peter Warner 2011-4-22 237 Sonoma Pepperwood Preserve, Franz Valley Rd., ~9 mi. N of Santa Rosa; on NW slope of 3 Tree Hill, ~350 m W296 deg. N fr. hilltop at gravel parking area 406 Comment
  SEINET1782117  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa. Comment
  JEPS20635  Lessingia hololeuca Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  JEPS128329  Lessingia ramulosa Roger Raiche 2009-8-23 039 .09 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC75905  Lessingia ramulosa Miss M. Alice King September 1896 Sonoma near Healdsburg Comment
  CAS-BOT-BC342000  Lessingia ramulosa John Thomas Howell No date on label 2250 Sonoma SE. of Santa Rosa Comment
  CDA36826  Leucojum aestivum Ramona Robison 2012-2-15 s.n. Sonoma Santa Rosa; Annadel State Park. 0 Comment
  CAS-BOT-BC283528  Leymus X vancouverensis Alice Eastwood 1915-6-29 4876 Sonoma Bodega Point Comment
  CAS-BOT-BC283529  Leymus X vancouverensis Peter Rubtzoff 1955-9-9 2126 Sonoma Bodega Harbor Marsh. Saline part of the Marsh and along dirt road crossing the Marsh Comment
  CAS-BOT-BC273566  Leymus californicus G. DeNevers 1981-7-1 1731 Sonoma Pepperwood Ranch. In the Pippindale Garden Comment
  CAS-BOT-BC376325  Leymus triticoides Greg de Nevers 1993-7-27 10476 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa E base of Telegraph Hill 400 Comment
  CAS-BOT-BC371446  Ligusticum apiifolium Greg de Nevers 1998-5-31 11269 A Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, between Cresta and second bridge below Mark West Lodge. 400 Comment
  CAS-BOT-BC436537  Ligusticum apiifolium Alice Eastwood; John Thomas Howell 1939-6-11 7409 Sonoma Near Triniti P.O., Hood Mt. Range Comment
  UCR255035  Ligusticum apiifolium Greg de Nevers 1998-7-25 11302 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, just upstream of bridge at Mark West Lodge 137 Comment
  UC353914  Lilaea scilloides Milo S. Baker 1927-5-8 2131 a Sonoma near summit Bennett Valley Road Comment
  CAS-BOT-BC451692  Lilaea scilloides Peter Rubtzoff 1951-6-16 221 Sonoma Pitkin Marsh, near Forestville. Just north of the Lower Marsh. Comment
  CAS-BOT-BC451703  Lilaea scilloides Peter H. Raven 1963-4-12 18162 Sonoma Along U. S. 101 just south of Asti. 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
  RSA155423  Lilaea scilloides L. S. Rose 1962-4-11 62019 Sonoma Laguna de Santa Rosa, half mile east of Cunningham. 15 Comment
  CAS-BOT-BC130696  Lilium occidentale Peter Rubtzoff 1951-7-22 538 Sonoma Northern half of Lower Marsh Comment
  UC971869  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-5-9 1122 A Sonoma 0.8 mi s Kenwood Market (e side of Sonoma-Santa Rosa main hwy); Kinneybrook Farm Comment
  RSA534571  Limnanthes vinculans Peter Rubtzoff, N. Harrison 1978-5-20 9179 Sonoma Cunningham Marsh Area. Open, very wet ground on north side of Blucher Creek Valley Comment
  UCD166212  Limosella acaulis Peter Rubtzoff 1970-5-16 6220 Sonoma 5 miles north of Sears Point. Comment
  UC908748  Linanthus androsaceus Milo S. Baker 1935-5-12 8071 Sonoma about 1 mi e Bodega Bay; Larkspur Rock Comment
  UC52794  Linanthus androsaceus Milo S. Baker 1898-4-5 Sonoma near Gualala River Comment
  UC907842  Linanthus bicolor Herbert L. Mason 1943-4-16 12569 Sonoma about 10 mi above Sonoma Comment
  UC614696  Linanthus parviflorus L. Constance 1938-4-24 2156 Sonoma 8 mi s Fort Ross; Russian Gulch 121 Comment
  SEINET7067243  Linum bienne A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1 and east of Ocean Cove. Coordinate datum: NAD27. Comment
  CHSC114678  Linum trigynum Peter Warner 2010-5-16 167 Sonoma Jenner Headlands, Knoll Field, 203m, s244 deg. W of residence house, on S-facing slope of knoll in coastal grassland. UTM 10S: 489308E, 4256990N 230 Comment
Read comments
May 27 2016
  UC1076091  Lithocarpus densiflorus Herbert L. Mason 1928-4-8 4296 Sonoma 2 mi n Ft. Ross (coast) Comment
  POM188332  Lithocarpus densiflorus var. densiflorus Marcus E. Jones 1931-7-5 28839 Sonoma Cloverdale Comment
  JEPS46181  Lithophragma affine Eleanor Armstrong 1933-4-15 734 Sonoma Bodega Hill 18 Comment
  UC1127211  Lithophragma affine E. Armstrong 1934-3-26 913 Sonoma 1 mi w Camp Meeker; Sebastopol Quad. Comment
  HSC20223  Lithophragma affine R. F. Good 1962-4-20 4 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes. Sonoma Mt. Coast Range. 46 Comment
  UCD102729  Lithophragma heterophyllum S. P. Lynch 1974-3-14 392 Sonoma 6 mi. W of Callistoga on 128. Comment
  CAS-BOT-BC361326  Livistona Greg de Nevers 1997-8-19 11082 Sonoma Santa Rosa, Peterson Lane Comment
  UC581117  Logfia filaginoides H. L. Mason 1934-4-28 8062 Sonoma near Kenwood Springs (Baker's Ranch) Comment
  UCD66013  Lolium multiflorum Gerry North 1993-4 17 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead. Less than 0.2 miles east of park entrance gate. 243 Comment
  CAS-BOT-BC283292  Lolium multiflorum David L. Morgan 1960-7-10 s.n. Sonoma 1 mile S of Carmet, State Highway 1, Bodega Coast Comment
  UCD167360  Lomatium californicum James Neilson 1981-5-28 4036 Sonoma Mayacmas Mountains. The Geysers. Vicinity of PG and E lookout. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SD99412  Lomatium californicum Christopher Davidson 1977-6-20 6021 Sonoma Dry Creek Road, 9.3 miles west of Geyersville 89 Comment
  SEINET7042396  Lomatium dasycarpum A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UCD127044  Lomatium dasycarpum subsp. dasycarpum Frederica Bowcutt 1994-5-21 1806 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, about 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood, about 18 air miles NW of Napa. Along meadow trail, approx. 3/8 mile from trailhead. 1300 Comment
  CAS-BOT-BC217806  Lomatium repostum G. L. Stebbins 1966-5-1 6390 Sonoma Rincon Ridge north of Santa Rosa Comment
  CAS-BOT-BC361356  Lomatium repostum Greg de Nevers 1997-4-16 10942 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  SEINET12121510  Lomatium repostum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -089 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 244 Comment
  CAS-BOT-BC240644  Lonicera hispidula D. E. Breedlove 1980-6-27 44771 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD137392  Lonicera involucrata P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC293682  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rohnert Park., creek bed west of Commrece Blvd. crossing. Comment
  CAS-BOT-BC300483  Lotus Peter Rubtzoff 1973-8-29 7288 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente Comment
  UCR143602  Lotus G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  UC15740  Lotus aboriginus Michener and Bioletti 1892-7-6 Sonoma Gualala Comment
  UC604131  Lotus angustissimus Milo S. Baker 1938-8-15 9229 Sonoma just beyong Wrights Beach (Coast Highway) 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
  UCD106701  Lotus angustissimus Robert E. Preston 2000-8-2 1427 Sonoma Ca. 2.5 mi NNE of Fort Ross, Seaview. 381 Comment
  POM316662  Lotus angustissimus Patricia Wilder 1965-6-10 3633 Sonoma 1.0 mile N of Jenner on Calif. state Hwy 1. 46 Comment
  UC1057478  Lotus formosissimus G. Thomas Robbins 1937-5-23 211 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Region 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
  CDA36838  Lotus micranthus CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  SEINET3729647  Lotus purshianus A. A. Heller 1941-8-8 16278 Sonoma West of Petrified Forest Comment
  UCR2752547  Lotus purshianus Peter Rubtzoff 1971-6-25 6563 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  SEINET3523773 Image available Lotus purshianus Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-7 15122 Sonoma Roadside, 2 miles N of Kellogg Comment
  UC424867  Lotus stipularis var. stipularis Milo S. Baker Jun 1929 3573 c Sonoma near Vine Hill School House Comment
  SDSU4356  Lotus uliginosus D. F. Howe 1965-8-3 4102 Sonoma 8 miles east of Bodega Bay on #1. Comment
  RSA31784  Lotus unifoliolatus A. A. Heller 1938-8-11 15321 Sonoma Knights Valley Comment
  CDA36840  Lotus wrangelianus CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  SEINET3694616 Image available Lotus wrangelianus A. A. Heller 1938-5-14 15079 Sonoma North of Bodega Bay Comment
  SEINET7067332  Lotus wrangelianus 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
  SEINET3523654 Image available Lotus wrangelianus A. A. Heller 1937-5-1 16175 Sonoma Foot of the bluff north of Bodega Bay Comment
  CDA9765  Ludwigia grandiflora subsp. hexapetala Erik Hawk 2007-10-1 s.n.-LWA Sonoma Wildlife Area, between Guerneville Rd. and Occidental Rd., Laguna de Santa Rosa. Comment
  UCD66025  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 51 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UCD66029  Ludwigia hexapetala B. J. Grewell 2006-11-17 06- 96 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Blucher Creek confluence, CA-Dept Fish and Game's Laguna Wildlife Area, downstream of Todd Rd Bridge s. of Sebastopol. 22 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
  UCD66044  Ludwigia hexapetala B. J. Grewell 2005-10-3 05- 27 -LU Sonoma Lake Wilson, Sonoma County Riverfront Park sw of Windsor, Eastside Road. 16 Comment
  UCD78331  Ludwigia hexapetala B. J. Grewell 2005-11-21 05- 45 -LU Sonoma Local tributary to Mark West Creek, n. side River Road, Santa Rosa across rd. from Martinelli Winery. Within Laguna de Santa Rosa sub-basin of the Russian River Watershed. 28 Comment
Read comments
Aug 10 2011
  RSA94087  Ludwigia palustris var. pacifica J. T. Howell 1945-8-14 21386 Sonoma Perry Marsh Comment
  CAS-BOT-BC157689  Ludwigia peploides Peter Rubtzoff 1961-8-24 4711 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  CAS-BOT-BC164642  Ludwigia peploides Peter Rubtzoff 1955-9-10 2134 Sonoma East Guernewood, near Guerneville along Russian River. Comment
  UC424853  Lupinus Milo S. Baker 1929-5-7 3452 b Sonoma near Sebastopol; near Sebastopol Comment
  CAS-BOT-BC201226  Lupinus A. A. Heller 1937-5-1 s.n. Sonoma Base of the bluff north of the town of Bay, Bodega Bay Comment
  CAS-BOT-BC201286  Lupinus Milo S. Baker 1948-7-3 12059 Sonoma Millstation Rd. 4/10 mi from Gravestein [Gravenstein] Hiwy and 1.4 mi from Church on the Main St. in Sebastopol. North side of Millstation Rd. near Post box 35 Route 1 Comment
  SEINET10488357  Lupinus affinis Joseph W. Congdon 1880-5-22 Congdon UMO 42423 Sonoma Santa rosa road Comment
  UC127022  Lupinus albifrons F. T. Bioletti 1894-1 Sonoma near Hood's Peak; near Hood's Peak Comment
  UCD106014  Lupinus albifrons var. albifrons Botany 102 Students 1993-4-24 104 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1.3 air miles SE of Red Mtn, about 25 meters S of Sonoma Creek along Meadow Trail about 0.25 miles from intersection with Brushy Peaks and hillside Trails. 396 Comment
  RSA66919  Lupinus albifrons var. collinus E. K. Balls 1951-5-3 16404 Sonoma Ca. 1 mi. e. from Petrified forest on rd. to Calistoga. 610 Comment
  CAS-BOT-BC196152  Lupinus albifrons var. douglasii F. W. Johnson 1890-9-10 57 Sonoma Santa Rosa Comment
  UC82055  Lupinus arboreus Michener and Bioletti May 1894 Sonoma Bodega Bay Comment
  UC865419  Lupinus arboreus Lewis S. Rose 1939-4-2 39052 Sonoma Duncan Mills, Russian River 30 Comment
  UCR248750  Lupinus bicolor Peter Rubtzoff 1969-5-11 6045 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  UCR248891  Lupinus bicolor Peter Rubtzoff 1971-5-8 6436 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive 137 Comment
  RSA105076  Lupinus bicolor subsp. tridentatus Alice Eastwood 1921-4-24 10269 Sonoma Santa Rosa Comment
  SD39044  Lupinus chamissonis Edith A. Purer 1932-7-21 4038 Sonoma Bodega Bay Comment
  RSA167470  Lupinus densiflorus var. densiflorus Joseph P. Tracy 1933-5-1 12129 Sonoma Along Mayacama Creek, below Knights Valley. Comment
  SEINET10485254  Lupinus densiflorus var. palustris Joseph W. Congdon 1880-6-6 Congdon s.n. Sonoma Comment
  UC1084419  Lupinus formosus var. formosus G. Thomas Robbins 1937-5-23 184 Sonoma between Santa Rosa and Sebastopol near Wright School Comment
  RSA3044  Lupinus formosus var. formosus Carl B. Wolf 1931-8-23 2345 Sonoma Along Redwood Highway, 1 mile south of Cloverdale. 91 Comment
  SD125495  Lupinus formosus var. formosus D. B. Dunn, Conrad and Ledoux 1973-6-9 20712 Sonoma 5.3 miles east of the Junction of Highway 101 and Highway 116 on 116. Comment
  UCD108123  Lupinus latifolius Freed W. Hoffman 1947-4-3 886 Sonoma Road to Austin Ranch, near Guerneville. Comment
  SEINET10490782  Lupinus latifolius subsp. latifolius Robert F. Thorne 1965-4-19 Thorne 34317 Sonoma Fls violet; on well-drained embankment in douglas-fir forest; harrison grade, 1/2 Mi. From green valley rd.; With calycanthus, pseudotsuga, umbellularia, etc 152 Comment
  SEINET10936597  Lupinus latifolius subsp. latifolius Joseph W. Congdon 1880-4-12 Congdon s.n. Sonoma Santa rosa rd. Comment
  SEINET5790384 Image available Lupinus microcarpus Marcus E. Jones 1882-1 3329 Sonoma Duncan's Mills Comment
  UC865134  Lupinus microcarpus var. densiflorus A. A. Heller 1938-5-14 15091 Sonoma w of Petaluma near Two Rocks; near Two Rocks Comment
  OBI56912  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1418 Sonoma Roadside, D St. (Petaluma-Reyes Rd) 1.4 mi S Petaluma Blvd in Petaluma Comment
  SD88509  Lupinus microcarpus var. microcarpus Darley F. Howe 1972-6-28 Sonoma North of Jenner Comment
  UC65701  Lupinus nanus A. A. Heller 1902-4-9 5233 Sonoma Healdsburg Comment
  CAS-BOT-BC320547  Lupinus polycarpus Peter Rubtzoff 1974-4-17 7377 Sonoma Upper Green Valley Marsh. Comment
  RSA0022472  Lupinus polycarpus Peter Rubtzoff 1969-5-3 6020 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  SEINET10838281  Lupinus polycarpus Joseph W. Congdon 1880-5-4 Congdon s.n. Sonoma Petaluma. Comment
  CAS-BOT-BC376259  Lupinus sericatus Greg de Nevers 1996-5-31 10821 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Oak Hill Ranch, Devil's Kitchen 487 Comment
  SD39054  Lupinus tidestromii Edith A. Purer 1932-7-24 4082 a Sonoma Near Bodega Bay. Comment
  UC725888  Lupinus variicolor A. A. Heller 1940-5-17 15637 a Sonoma along State Highway #1, 2 mi w Valley Ford; w of Valley Ford Comment
  CAS-BOT-BC210023  Luzula Peter Rubtzoff 1974-4-17 7369 Sonoma Upper Green Valley Marsh area Comment
  CAS-BOT-BC436743  Luzula comosa var. comosa Peter Rubtzoff 1951-6-7 131 Sonoma Pitkin Marsh. near Forestville. Western branch of the Upper Marsh Comment
  RSA244326  Luzula comosa var. comosa Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1089 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  CAS-BOT-BC441389  Luzula subsessilis John H. Thomas 1976-6-15 18315 Sonoma Southern end of the Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  RSA0018586  Lythrum Peter Rubtzoff 1970-10-24 6416 Sonoma At Presidio Blvd. and Barnard Avenue, Presidio. Comment
  UCD103035  Lythrum hyssopifolia Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-28 81 Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UCD151069  Lythrum hyssopifolia James A. Neilson Jr. 1974-6-1 3057 Sonoma Mayacmas Mountains, Geyser Rock area, in the vicinity of the boundary line of Sonoma and Lake Counties. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  RSA0015985  Lythrum hyssopifolia Edward Palmer 1892-6-27 2399 Sonoma Petaluma. Comment
  RSA0015999  Lythrum hyssopifolia Peter Rubtzoff 1951-8-19 641 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  CAS-BOT-BC227610  Madia Peter Rubtzoff 1974-5-18 7415 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD148375  Madia Peter Rubtzoff 1955-9-25 2161 Sonoma Forestville Marsh area. Comment
  CAS-BOT-BC342622  Madia anomala G. DeNevers 1981-5-7 996 Sonoma Pepperwood Ranch. Along the Studio Road Comment
  CAS-BOT-BC344031  Madia elegans Peter Rubtzoff 1951-7-21 524 Sonoma 1 mile southeast of Forestville Comment
  CAS-BOT-BC344036  Madia elegans John Thomas Howell 1945-7-18 21314 Sonoma Pitkin Ranch, n. of Sebastopol Comment
  JEPS128198  Madia exigua Roger Raiche 2000-5-4 074 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCR244755  Madia gracilis Peter Rubtzoff 1967-9-2 5876 Sonoma Freestone Marsh 79 Comment
  CAS-BOT-BC343467  Madia gracilis G. DeNevers 1981-5-30 1341 Sonoma Pepperwood Ranch. In creekbed N of Hansel's corral Comment
  CAS-BOT-BC343471  Madia gracilis Catherine Best 1981-6-5 s.n. Sonoma Warm Springs Dam Overlook Comment
  SD56776  Madia gracilis Darley F. Howe 1963-5-23 Sonoma 2.8 miles north of Cloverdale on #128 245 Comment
  UCD132826  Madia gracilis Frederica Bowcutt 1996-5-24 2160 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma/Rattlesnake Creek confluence on small knoll. 381 Comment
  RSA516587  Madia nutans R. C. Bacigalupi 1956-4-17 5587 Sonoma Along Ida Clayton Rd., 3.7 miles east of its beginning on the Kellogg Valley side (jct. with State 128), Mayacamas Range. 686 Comment
  CAS-BOT-BC345225  Madia sativa David D. Keck; J. Clausen 1935-6-15 3365 a Sonoma 1 mi. N. of Salmon Creek Comment
  CAS-BOT-BC345220  Madia sativa Luther Burbank; L. R. Abrams 1907-8-1 s.n. Sonoma Along roadside between Sebastopol and Santa Rosa Comment
  UCSB15481  Madia sativa Breedlove, Dennis 1961-12-31 Sonoma At S side of mouth of Russian River 6 Comment
  UCSB708  Maianthemum racemosum Keator, Glenn 1959-4-1 Sonoma 1 mile southeast of northern city limits of Camp Meeker Comment
  CAS-BOT-BC511492  Maianthemum stellatum Greg de Nevers 1981-6-27 1669 Sonoma On walk up through the Devil's Kitchen, Kellog Ranch, starting from the bottom of the hill in Franz Valley, along Franz Valley Road, Pepperwood Ranch Comment
  UCD132837  Malacothrix floccifera Frederica Bowcutt; Jeff Kennedy (Det.) and Jolie Hendricks 1994-5-1 1751 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; ~11 air miles E of Santa Rosa; ~18 air miles NW of Napa; ~1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along Goodspeed Trail ~1/8 mile from trail head on Adobe Canyon Rd. 213 Comment
  UC452570  Marah fabacea Katharine Brandegee June 1905 Sonoma Bodega Comment
  HSC7018  Marah fabacea F. Demostene 1966-4-1 3 Sonoma 2 mi. E of Healdsburg Comment
  RSA128555  Marah oregana P. H. Raven 1950-4-6 1601 Sonoma Lower slopes of Rincon Ridge. Comment
  UCD125027  Marrubium vulgare Frederica Bowcutt 1995-11-19 2063 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. Bald Mountain Trail, immediately on edge of asphalt about 0.5 air mile SSE of Red Mountain. 609 Comment
  CAS-BOT-BC348220  Matricaria discoidea D. E. Breedlove 1980-6-28 44807 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC262962  Medicago Peter Rubtzoff 1973-8-29 7282 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  UCD165325  Medicago Peter Rubtzoff 1973-8-21 7247 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  HSC14982  Medicago polymorpha S. N. Wiemeyer 1962-4-20 27 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UCD107847  Medicago polymorpha P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  UCD151224  Melica californica James A. Neilson Jr. 1974-5-17 2977 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, along road to PG and E geothermal units 9 and 10, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1005 Comment
  RSA123519  Melica geyeri H. S. Yates 1937-5-30 6545 Sonoma 3 miles WNW of Graton. 61 Comment
  UC933821  Melica geyeri Leo Koch 1940-4-22 830 Sonoma ca 0.5 mi from bridge over Little Sulphur Creek towards Mercuryville from the Geysers Mercuryville Comment
  CAS-BOT-BC281391  Melica harfordii H. S. Yates 1936-5-16 5612 Sonoma 1 mile NW of Mountain View Comment
  JEPS45822  Melica harfordii Eleanor Armstrong 1932-6-3 181 Sonoma near Camp Meeker 121 Comment
  UCD87382  Melica harfordii Beecher Crampton 1955-6-8 2827 Sonoma Sonoma County, 7 miles northwest of Calistoga, along State Highway 128. Comment
  UCD151137  Melica subulata James A. Neilson Jr. 1973-6-6 2962 Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  CAS-BOT-BC262567  Melica torreyana A. A. Heller 1902-4-4 5316 Sonoma Hills near Santa Rosa Comment
  UCD88826  Melica torreyana Virginia Bufford 1936-5-19 295 Sonoma Moss Cottage -- Los Guillicos Valley. Comment
  UCD89201  Melica torreyana R. Tofsrud 1942-4-1 300 Sonoma Stream bank 3 mi. east of Mark West resort on same road. Comment
  UCR218736  Melilotus indicus George K. Helmkamp, E. A. Helmkamp 2010-6-4 16223 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  CAS-BOT-BC164086  Mentha Peter Rubtzoff 1954-8-11 1686 Sonoma Guerneville Marsh. Comment
  UCR244668  Mentha Peter Rubtzoff 1960-9-14 4553 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) 30 Comment
  RSA94355  Mentha pulegium Peter Rubtzoff 1951-7-14 458 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  SEINET12330323  Mentha pulegium W. Knight, Knight, I. 1984-1 5429 Sonoma Willow Creek Road 61 Comment
  RSA785142  Mentha spicata Peter Rubtzoff 1955-8-28 2114 Sonoma Guerneville region: Russian River. Vacation Beach, near Guerneville. Comment
  UCR244651  Mentha spicata Peter Rubtzoff 1975-8-28 8360 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC166968  Mentha spicata Peter Rubtzoff 1973-9-9 7315 Sonoma Kenwood Marsh. Comment
  RSA785145  Mentha spicata Peter Rubtzoff 1973-9-9 7315 Sonoma Kenwood Marsh. Comment
  UCD148372  Mentha spicata Peter Rubtzoff 1955-10-12 2166 Sonoma Duncans Mills Marsh. Comment
  UCR244650  Mentha suaveolens Peter Rubtzoff 1973-9-9 7316 Sonoma Kenwood Marsh 120 Comment
  JEPS128228  Micropus Roger Raiche 2000-5-4 071 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC673613  Micropus amphibolus Herbert L. Mason 1934-4-28 8081 Sonoma four mi w Healdsburg (head of Dohrman Creek); Jensen's Ranch Comment
  UCD166074  Microseris Peter Rubtzoff; H. A. Froebe 1971-5-30 6499 Sonoma Border of dry vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC348730  Microseris bigelovii John Thomas Howell 1931-4-18 6417 Sonoma Mouth of Salmon Creek 2 miles n. of Bay Comment
  SEINET11601910 Image available Microseris bigelovii P. Kamb, F. Chisaki 1952-6-21 2304 Sonoma Fort Ross Comment
  CAS-BOT-BC322710  Microseris laciniata John Thomas Howell; Alice Eastwood 1938-7-6 6086 Sonoma Alder Glen Springs Comment
  UC682111  Microseris laciniata subsp. laciniata G. L. Stebbins Jr. with A. A. Beetle 1942-6-4 3287 Sonoma on State Highway No. 12 to Sebastopol 4.1 mi w Santa Rosa (e of corner of Wright Road) Comment
  SD7425  Mimetanthe pilosa Michener, Bioletti 1892-7-3 1686 a Sonoma Healdsburg Comment
  CAS-BOT-BC320496  Mimulus Peter Rubtzoff 1955-8-20 2064 Sonoma Bodega Head Marsh. Comment
  RSA0025391  Mimulus Peter Rubtzoff 1963-6-18 5173 Sonoma Bennett Mountain Lake. Comment
  RSA0025394  Mimulus Peter Rubtzoff 1962-5-30 4849 Sonoma Freestone Marsh. Comment
  UCD161246  Mimulus aurantiacus James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3712 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
  SEINET12327817  Mimulus aurantiacus F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -076 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 107 Comment
  POM5074  Mimulus aurantiacus var. aurantiacus Ivar Tidestrom 1895-6-14 11250 Sonoma Petaluma. Comment
  UCD151206  Mimulus cardinalis James A. Neilson Jr. 1974-7-10 2821 Sonoma Mayacmas Mountains, 1/2 mile south of Geyser Rock, along road to PG and E unit 9 and 10, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1005 Comment
  RSA535826  Mimulus douglasii David M. Thompson 1988-4-2 864 Sonoma 1.1 mi N of Porter Creek Road along Franz Valley Road. 30 ft S of (and opposite) 900 Franz Valley Road residence gate. 305 Comment
  POM5118  Mimulus guttatus A. A. Heller 1902-6-11 5687 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  JEPS41072  Mimulus layneae Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9109 Sonoma between 1 and 1 1/4 mi w Napa County line (along the Franz Valley School road, 1/4 mi w of the school) 219 Comment
  JEPS12347  Mimulus microphyllus Francis W. Pennell Jul 2 1940-Jul 3 1940 26039 Sonoma ne Kenwood Springs 396 Comment
  SEINET7067136  Mimulus rubellus A. G. Vestal 1947-4-29 s.n. Sonoma About 1.4 miles west of Green Valley. Coordinate datum: NAD27. UTM Zone 10, 648599mE, 4507677mN. Comment
  JEPS117080  Mimulus tricolor Peter Warner 2010-5-6 138 Sonoma Annadel State Park, in upland vernal pool ~250m N of Canyon Trail, ~220 m W of Spring Creek, just S of old rock wall Comment
  UC1299494  Minuartia douglasii Freed W. Hoffman 1947-6-4 531 Sonoma headwaters of East Austin Creek North Coast Ranges Comment
  UCD160304  Minuartia douglasii James A. Neilson Jr. 1975-5-22 3221 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 mi. west of Whispering Pines, State Highway 175. (Elevation estimated by label maker using Google Earth.) 1127 Comment
  RSA293379  Minuartia douglasii Reino Alava 1958-5-24 2069 Sonoma Hillside about one mile from Graton on the road from Graton to Occidental. Comment
  CAS-BOT-BC435114  Mollugo verticillata Peter Rubtzoff 1958-8-30 3935 Sonoma Vacation Beach, near Guerneville. Bottom of Russian River. Comment
  CAS-BOT-BC435109  Mollugo verticillata Peter Rubtzoff 1959-8-30 4245 Sonoma Drake's Beach, near Guerneville. Bottom of Russian River. Comment
  NY429328  Monardella coriacea A. A. Heller 1902-7-8 5812 Sonoma Sandy bank of Russian River at Healdsburg Comment
  CAS-BOT-BC314209  Monardella villosa A. A. Heller 1902-6-28 5791 Sonoma Between Knight's Valley and Mark West Springs. Comment
  POM253643  Monardella villosa subsp. franciscana C. L. Hitchcock, J. S. Martin 1939-7-15 5446 Sonoma Cliffs below Bodega State Park Comment
  UC666146  Monardella villosa subsp. globosa Annetta Carter, Ethel Crum 1941-6-22 1641 Sonoma 3.3 mi e Bodega Bay; North Coast Ranges Comment
  CAS-BOT-BC314208  Monardella villosa subsp. subserrata Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills Comment
  CAS-BOT-BC314178  Monardella villosa subsp. subserrata F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga. Comment
  CAS-BOT-BC314184  Monardella villosa subsp. villosa John Thomas Howell 1930-7-27 5407 Sonoma 1 mile N of Fort Ross Comment
  JEPS51860  Monardella villosa subsp. villosa Eleanor Armstrong 1932-5-15 458 Sonoma 8 mi north Santa Rosa. 121 Comment
  CAS-BOT-BC314179  Monardella villosa subsp. villosa Ella Dales Cantelow 1941-6-7 3706 Sonoma 3.2 mi N of Jenner. State Hwy 1. Comment
  CAS-BOT-BC220702  Monardella viridis F. G. Krauss 1894-1-1 s.n. Sonoma Unspecified Comment
  SEINET12324056  Monardella viridis W. Knight, Knight, I. 1982-1 4600 Sonoma 2 mi up Pythian Road from Los Guilicos School for Girls near Kenwood, on Hoods Peak 305 Comment
  CAS-BOT-BC7347  Montia clara Amos Arthur Heller 1902-4-16 5313 Sonoma Santa Rosa Comment
  CAS-BOT-BC444985  Montia fontana J. Clausen 1933-3-25 731 Sonoma Between Warfield and Kenwood, along the highway Comment
  POM203651  Montia stenophylla J. T. Howell 1933-4-1 10926 Sonoma Petaluma Comment
  JEPS121161  Morella californica Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18601 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  CAS-BOT-BC515643  Muilla maritima M. S. Baker 1924-3-27 s. n. Sonoma Slope of Taylor Mountain Comment
  SEINET9360775  Myosotis sylvatica John Nelson, Wnek, R. 2000-3-7 20936 Sonoma Wet ground on both sides of Hwy 116 just W of Fern Grove cottages on W side of Guerneville. With Oxalis oregana, Stachys rigida, Nemophila parviflora, Comment
  UCD166498  Myosurus Peter Rubtzoff 1966-4-17 5681 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  UC672611  Myrica californica Herbert L. Mason 1928-7-11 4893 Sonoma canyon 2 mi. n. Fort Ross Comment
  RSA461913  Myrica californica Christopher Davidson 1977-6-17 5887 Sonoma Coast Highway 1, ca. three miles north of Jenner. Comment
  UCD166107  Myriophyllum Peter Rubtzoff 1971-9-3 6702 Sonoma Spring Creek Reservoir area. Comment
  RSA800153  Myriophyllum brasiliense Peter Rubtzoff 1970-8-18 6318 Sonoma 5 mi N of Sears Point. Comment
  CAS-BOT-BC258916  Myriophyllum verticillatum Peter Rubtzoff 1955-8-13 2039 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  CAS-BOT-BC456196  Najas guadalupensis Greg de Nevers 1991-8-8 9768 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In largest Double Pond. 475 Comment
  UC1011037  Nassella lepida Virginia Bufford 1936-5-22 388 Sonoma Annapolis Rd 1 mi from junction with Skaggs Springs Rd. Comment
  UCD36695  Nassella lepida Beecher Crampton 1955-6-17 2966 Sonoma Sonoma County, 1.5 miles east of Fort Ross. Comment
  UCD87801  Nassella lepida A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3559 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  UCD87889  Nassella lepida Leo Koch 1940-4-24 844 Sonoma Bennett Val. Roadside, 1 mile south of road junction. Comment
  UC1153820  Nassella pulchra Beecher Crampton 1957-5-16 4041 Sonoma US Hwy 101 3 mi s Healdsburg (banks of railway cut) Comment
  UC526763  Nassella pulchra Joseph P. Tracy 1933-5-1 12123 Sonoma Knights Valley Northern Coast Ranges Comment
  UCD38706  Nassella pulchra Beecher Crampton 1957-5-16 4041 Sonoma TYPE LOCALITY: 3 miles south of Healdsburg, along US Hwy. 101. Comment
  CAS-BOT-BC60523  Nasturtium officinale J. Clausen 1935-5-24 1083 Sonoma 3.7 miles south of Jenner on the Bodega road. Along highway. Comment
  UCD161456  Navarretia mellita James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3294 c 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.) 1005 Comment
  CAS-BOT-BC232685  Navarretia pubescens Milo S. Baker 1927-5-17 2157 a Sonoma Bennett Valley Road, 0.5 mile W of Sonoma Creek Bridge Comment
  RSA468372  Navarretia squarrosa E. A. Purer 1932-7-21 16861 Sonoma Bodega Bay. 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
  CAS-BOT-BC7192  Nemophila divaricata Alice Eastwood 1900-4-21 s.n. Sonoma Mt. St. Helena Comment
  UC58517  Nemophila heterophylla A. A. Heller 1903-4-24 6619 Sonoma near Cazadero; near Cazadero Comment
  UCD120068  Nemophila heterophylla M. Wiesendanger 1927-5-5 736 Sonoma Kenwood Springs. Comment
  UC67243  Nemophila heterophylla M. Baker May 1899 Sonoma near Laguna; near the Laguna Comment
Read comments
Feb 16 2007
  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
  HSC34933  Nemophila menziesii Thomas W. Nelson, MarJames Nelson 1975-3-25 1755 Sonoma Beside Hwy. 128 E of Geyserville Comment
  UC75665  Nemophila menziesii var. atomaria Miss Emma Lobenstein 1906-1 Sonoma Valley Ford Comment
  CAS-BOT-BC231193  Nemophila parviflora Roxana S. Ferris; Laura Lorraine 1961-6-14 13529 Sonoma Junction of Bittner Road with Joy Road between Occidental and Bodega Comment
  UC58518  Nemophila parviflora A. A. Heller 1903-4-23 6611 Sonoma Fort Ross Comment
  CAS-BOT-BC290672  Nicotiana Peter Rubtzoff 1986-9-29 9754 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164404  Nicotiana Peter Rubtzoff 1965-8-29 5631 Sonoma Russian River bottom at Forest Hills, 5.5 miles East of Guerneville Comment
  UCR279605  Nicotiana acuminata Peter Rubtzoff 1961-6-7 4618 Sonoma Laguna de Santa Rosa, c. 1 mile SE of Trenton 30 Comment
  SEINET12337434  Nicotiana attenuata W. Knight, Knight, I. 1989-1 6500 Sonoma Ely Road near corner of Corona Road near Petaluma 9 Comment
  UCD110164  Notholithocarpus densiflorus Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1765 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  HSC8113  Notholithocarpus densiflorus var. densiflorus F. Demostene 1966-4-4 20 Sonoma 1 mi. W of Healdsburg Comment
  SD88473  Nuphar polysepala Darley F. Howe 1972-6-27 4840 Sonoma Duncan Mills Pond Comment
  CDA38495  Oenanthe sarmentosa T. C. Fuller 1958-1-29 104 -58 Sonoma Triangle G Ranch, Sonoma Mtn., Petaluma. 0 Comment
  UCD127440  Oenanthe sarmentosa Frederica Bowcutt 1994-7-5 1941 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along S edge of Sonoma Creek just upstream from confluence with Bear Creek. Immed. E of Goodspeed Trail Bridge over Sonoma Creek. N of Adobe Canyon Road about 60 ft. 225 Comment
  SD38672  Oenothera elata subsp. hookeri Edith A. Purer 1932-7-21 4045 Sonoma Bodega Bay Comment
  CDA36827  Onopordum illyricum Andrew Smith 2011-12-21 PDR# 1604230 Sonoma Santa Rosa; Pepperwood Preserve; 3450 Franz Valley Rd., near Mark West Springs Rd. 0 Comment
  JEPS11665  Orobanche californica subsp. californica W. L. Jepson 1931-7-19 15950 Sonoma Just north of mouth of Salmon Creek. Comment
  CAS-BOT-BC368046  Orthocarpus Greg de Nevers 1989-4-1 9055 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  POM15638  Orthocarpus erianthus A. A. Heller, H. E. Brown 1902-4-15 5292 Sonoma Santa Rosa. Comment
  SEINET12319543  Orthocarpus erianthus Unknown 1980-1 17 Sonoma no further locality 61 Comment
  SEINET3159751  Orthocarpus faucibarbatus L. S. Rose 1933-5-9 33158 Sonoma Bodega Bay Comment
  CAS-BOT-BC25976  Orthocarpus faucibarbatus var. albidus David D. Keck; J. Clausen 1935-6-15 3375 Sonoma 3 mi. S. of Russian River mouth Comment
  UC1348886  Osmorhiza berteroi Robert F. Thorne 1965-4-20 34331 Sonoma Parker Hill Rd ca 2 1/2 mi n Santa Rosa (1 mi n of Sonoma Co. Hospital) 106 Comment
  SEINET10545679  Osmorhiza chilensis David B. Dunn, Melvin L. Conrad; Katherine L. Morris 1973-6-9 Dunn 20704 Sonoma 2 mi NW of Forestville on Hwy 116. Comment
  UC1169376  Packera eurycephala var. eurycephala R. Ornduff 1957-5-5 4132 Sonoma just below summit summit of Mount Saint Helena; Mount Saint Helena Comment
  CAS-BOT-BC316880  Packera eurycephala var. eurycephala 188- s.n. Sonoma Knights Valley Comment
  UCD32825  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 c 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.). 493 Comment
  UCD89129  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7149 Sonoma North East part of county. 'The Geysers', Big Sulphur Creek. Comment
  UCD89132  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers, Comment
  CAS-BOT-BC253774  Panicum capillare Peter Rubtzoff 1956-9-14 2862 Sonoma Russian River bottom, Vacation Beach, near Guerneville Comment
  CDA31308  Parentucellia viscosa D. G. Kelch, Ed Biffin 2010-5-3 10 .209 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  RSA47561  Parentucellia viscosa L. Beane, Lois E. James 1949-5-16 1963 Sonoma About 2 mi. S of Cloverdale. Comment
  UCD166082  Parentucellia viscosa Peter Rubtzoff 1971-6-10 6538 Sonoma Pitkin Marsh, near Forestville, along western border of the upper part of the marsh. Comment
  UCD35512  Paronychia franciscana Beecher Crampton 1957-7-22 4363 Sonoma Along State Hwy. 1, 8.2 miles north of Stewart's Point. Comment
  CAS-BOT-BC210044  Paspalum Peter Rubtzoff 1971-8-23 6647 Sonoma Spring Hill Road, 0.8 mi. SE of Bodega Hwy. (of Two Rock Church). Comment
  CAS-BOT-BC265688  Paspalum distichum Peter Rubtzoff 1954-7-5 1536 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC265689  Paspalum distichum Peter Rubtzoff 1954-7-29 1600 Sonoma Guerneville Marsh Comment
  UCD137599  Pellaea andromedifolia Frederica Bowcutt 1996-3-24 2081 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 1/2 air mile SSE of Red Mtn., along Vista Trail. 563 Comment
  CAS-BOT-BC71483  Pellaea mucronata Walter Knight; Irja Knight 1964-1-17 519 Sonoma Hooker Canyon, Cavedale Rd. Comment
  SEINET5328497 Image available Penstemon heterophyllus W. Roderick 1967-6-18 s.n. Sonoma Mark West Springs Road, NE of Santa Rosa 61 Comment
  UC1238912  Penstemon heterophyllus var. heterophyllus Freed W. Hoffman 1947-8-4 1419 Sonoma Mt. St. Helena North Coast Ranges 609 Comment
  UC887199  Penstemon newberryi var. sonomensis Alice Eastwood 1915-6-6 Sonoma Mt. St. Helena Comment
  SEINET4555669 Image available Pentagramma triangularis Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15053 Sonoma 2 miles north of Geyserville. Comment
  JEPS120461  Perideridia gairdneri subsp. gairdneri Daniel Slakey 2013-8-11 63 Sonoma Salt Point State Park, along the Salt Point trail, about 0.4 mile north of Salt Point, along the coast. Comment
  CAS-BOT-BC258011  Persicaria hydropiper Peter Rubtzoff 1973-8-15 7210 Sonoma Russian River at Squaw Rock, 6 miles south of Hopland. Comment
  CAS-BOT-BC418908  Persicaria hydropiperoides Peter Rubtzoff 1958-7-19 3777 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC418909  Persicaria hydropiperoides Peter Rubtzoff 1958-8-31 3954 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC418921  Persicaria hydropiperoides Peter Rubtzoff 1956-9-15 2907 Sonoma Atascadero Creek Marsh Comment
  SJSU5986  Persicaria hydropiperoides C. W. Sharsmith 1972-6-24 7807 Sonoma Laguna de Santa Rosa, N of Sebastopol, E of Graton Comment
  CAS-BOT-BC418893  Persicaria hydropiperoides John Thomas Howell 1946-8-17 22856 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC418914  Persicaria hydropiperoides Peter Rubtzoff 1960-9-17 4569 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC419117  Persicaria lapathifolia Peter Rubtzoff 1966-9-25 5822 Sonoma Laguna de Santa Rosa east of Graton betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC419123  Persicaria lapathifolia Walter Knight; Irja Knight 1963-9-29 219 Sonoma On Bodega Ave near Cleveland Lane-Petaluma Comment
  CAS-BOT-BC330302  Petasites frigidus var. palmatus Dorothy Scherer 1996-3-25 013 Sonoma Kolmer Gulch, just E of Hwy 1 and S of stream, Fort Ross State Historic Park 11 Comment
  JEPS22726  Phacelia distans Rimo Bacigalupi 1958-5-24 6364 Sonoma n slope just below Camp Meeker; Dutch Bill Creek Canyon, Alder Canyon 97 Comment
  UC107372  Phacelia distans Alice Eastwood 1900-7-4 Sonoma type locality Bodega Point Comment
  UC107445  Phacelia distans J. W. Congdon 1880-4-9 Sonoma Petaluma Comment
  UC702959  Phacelia distans John Thomas Howell 1930-6-8 5274 Sonoma sand hills at n end Bodega Bay (type locality region) Comment
  CHSC52634  Phacelia egena James Jokerst 1985-5-29 2385 Sonoma Near Cobb Mountain. 1126 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
  UC901846  Phacelia imbricata L. Constance, L. R. Heckard, and A. R. Kruckeberg 1950-5-12 3328 Sonoma Alexander Valley-Pine Flat rd 3 mi w Contact Mine Comment
  UC901847  Phacelia imbricata Malcolm Nobs, F. W. Hoffmann, and A. R. Kruckeberg 1950-6-4 671 Sonoma 1 mi nw Lafayette School (ca 5 mi e of Guerneville); Fred McMurray Ranch Comment
  RSA133941  Phacelia imbricata subsp. imbricata L. R. Heckard 1952-4-15 227 Sonoma Along road to Pine Flat, about two and a half miles northeast of Alexander Valley. 61 Comment
  UC1051810  Phacelia nemoralis subsp. nemoralis L. R. Heckard and C. R. Bell 1951-6-12 152 Sonoma rocky roadcuts and roadsides about 2.5 mi ne Alexander Valley (along road to Pine Flat) 60 Comment
  UC1051811  Phacelia nemoralis subsp. nemoralis L. R. Heckard 1952-4-14 226 Sonoma roadcuts and roadsides about 2.5 mi e Alexander Flat (along rd to Pine Valley) 60 Comment
  CAS-BOT-BC258954  Phalaris aquatica Mary P. Wells 1984-5-24 297 Sonoma Annadel State Park (near Santa Rosa) Comment
  UCR248732  Phalaris aquatica Peter Rubtzoff 1968-6-25 5913 Sonoma Lichau Marsh [5 miles northeast of Penngrove on Lichau Road] 220 Comment
  UCR248890  Phalaris aquatica Peter Rubtzoff, Nancy Harrison, Ruth Hass, Chas F. Quibell 1974-8-31 7839 Sonoma Kenwood Marsh 120 Comment
  UCD88174  Phalaris aquatica Javier Penalosa 1961-5-24 1602 Sonoma Pepper Road. .9 miles N of Petaluma - Valley Ford Road. Comment
  CAS-BOT-BC265841  Phalaris arundinacea Peter Rubtzoff 1962-6-21 4943 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road, Sonoma County Marshes Comment
  CAS-BOT-BC259020  Phalaris californica Peter Rubtzoff 1962-6-1 4859 Sonoma Freestone Marsh Comment
  UC730028  Phalaris californica Leo F. Koch 1940-4-20 806 Sonoma along Plantation Road ten mi from Highway 101 Comment
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Jun 1 2015
  CAS-BOT-BC265913  Phalaris lemmonii David L. Morgan 1956-5-17 s.n. Sonoma Watmaugh Road 1/2 mile west of junction of Arnold Drive Comment
  CAS-BOT-BC265941  Phalaris minor Peter Rubtzoff 1962-6-13 4904 Sonoma Freestone Marsh Comment
  CAS-BOT-BC250743  Phalaris paradoxa Peter Rubtzoff 1962-4-18 4802 Sonoma Border of Highway #101 east of Petaluma Comment
  UC1011004  Phalaris paradoxa Virginia Bufford 1936-5-20 341 Sonoma Kellogg Mark West Rd 3 mi from Mark West; 3 mi from Mark West Comment
  UC1186126  Phlox speciosa subsp. occidentalis Herbert L. Mason 1934-4-28 8065 Sonoma Jensen Ranch, head of Dohrman Creek Dohrman Creek Comment
  CAS-BOT-BC222474  Pholistoma Saichi Kawahara 1968-4-20 316 Sonoma 3 miles northeast of Lakeville Road 76 Comment
  CDA22385  Phoradendron macrophyllum C. W. Nichols, W. O. McCartney 1966-1-17 Sonoma W. P. Tischer property, 1270 Gravenstein Highway North, ca. 1 mile north of Sebastopol. 0 Comment
  CAS-BOT-BC171221  Phoradendron serotinum subsp. tomentosum Walter Knight; Irja Knight 1963-12-27 450 Sonoma On Pine Flat Rd. Comment
  UC1977006  Phyllospadix scouleri Ann Freeman 1963-8-6 1642 Sonoma Bodega Head. North side, Horseshoe Cove with flowers. Comment
  CAS-BOT-BC140616  Physocarpus capitatus Peter Rubtzoff 1951-6-12 282 Sonoma Northern half of Lower Marsh Comment
  UC555512  Physocarpus capitatus H. L. Mason Jun 1930 5642 Sonoma Gualala River, mouth Comment
  CAS-BOT-BC78333  Pinus attenuata Walter Knight; Irja Knight 1964-11-15 787 Sonoma above Johnson Dam - [Hood's] Hoods Peak Comment
  UC1134141  Pinus attenuata J. B. Spring 1932-7-3 95 Sonoma 2/5 mi sw Veeder Mountain; Napa Quadrangle 609 Comment
  CAS-BOT-BC164673  Plagiobothrys Peter Rubtzoff 1971-7-3 6590 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  CAS-BOT-BC169560  Plagiobothrys Greg de Nevers 2002-5-8 12670 Sonoma Glen Ellen, Bouverie Preserve 152 Comment
  CAS-BOT-BC157652  Plagiobothrys Peter Rubtzoff; H. A. Froebe 1971-5-16 6455 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC361333  Plagiobothrys Greg de Nevers 1997-4-26 10981 Sonoma Point Reyes National Seashore, Bayview Trail Comment
  UCD150140  Plagiobothrys bracteatus 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
  UC353902  Plagiobothrys bracteatus Milo S. Baker 1927-5-8 2143 a Sonoma dry vernal pool along road near summit; Bennett Val. Road Comment
  JEPS61007  Plagiobothrys greenei Milo S. Baker 1927-5-8 2131 a Sonoma road summit near Bennett Valley Comment
  UC905097  Plagiobothrys greenei Lewis S. Rose 1949-4-6 49028 Sonoma western outskirts Sonoma 29 Comment
  RSA369973  Plagiobothrys greenei L. S. Rose 1949-4-6 49028 Sonoma Western outskirts of Sonoma 30 Comment
  UC796670  Plagiobothrys nothofulvus Ira L. Wiggins 1949-4-30 12067 Sonoma 4 mi w Calistoga (just w of the county line) Comment
  RSA0008557  Plagiobothrys reticulatus Roxana S. Ferris, L. Lorraine 1961-6-14 13541 Sonoma Willow Creek road between Occidental and Jenner, 5.7 miles from Jenner Comment
  RSA785668  Plagiobothrys reticulatus Peter Rubtzoff 1971-5-8 6449 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  RSA8384  Plagiobothrys reticulatus var. rossianorum L. S. Rose 1933-5-9 33155 Sonoma Bodega Bay. Comment
  RSA0083878  Plagiobothrys stipitatus var. micranthus Peter Rubtzoff 1970-5-16 6231 Sonoma 5 miles north of Sears Point Comment
  UCD35306  Plagiobothrys tenellus Beecher Crampton 1955-4-5 2409 Sonoma 3 miles west of Fulton, along Woolsey Road, below Mt. Olivet School. Comment
  UCD37562  Plagiobothrys tenellus Beecher Crampton 1955-4-5 2409 Sonoma 3 miles west of Fulton, along Woolsey Road, just below Mount Olivet School. Comment
  UCR279854  Plagiobothrys undulatus Peter Rubtzoff 1972-6-11 6780 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  UCD124450  Plantago erecta Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 31 Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. Comment
  UCD167333  Plantago erecta James Neilson 1974-4-17 s.n. Sonoma Mayacmas Mountains. Big Geysers. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD124491  Plantago erecta Valerie Bullock; Erik Beever, Rimy Waraich, Patti Togioka 1993-5-8 219 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail at base of wooded area. 365 Comment
  UCD124577  Plantago lanceolata Chris Bowen 1974-5-19 128 Sonoma West of Whalers' Reach, Unit 7 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  UC855269  Platystemon californicus Alice Eastwood 1921-4-24 10342 Sonoma Santa Rosa Comment
  SEINET12333745  Plectritis ciliosa H. K. Wagnon 1989-1 1846 Sonoma Spring Lake Park & environs, adjacent to Montgomery Drive 67 Comment
  RSA52689  Plectritis macrocera subsp. grayi I. L. Wiggins 1949-4-30 12060 Sonoma 6.8 miles east of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC260928  Pleuropogon californicus G. DeNevers; S. Kaza 1981-5-7 968 Sonoma 10510 Old Redwood Hwy., vacant lot by Healdsburg Rent-All, 2 mi. NW of Windsor exit from 101, Pepperwood Ranch Comment
  CAS-BOT-BC260929  Pleuropogon californicus John Thomas Howell; Walter Knight; Irja Knight 1987-5-27 6248 Sonoma Todd Road Preserve 24 Comment
  RSA51334  Pleuropogon californicus P. H. Raven 1958-4-6 1550 Sonoma Cotati, to Santa Rosa Comment
  UCD90174  Pleuropogon californicus Lewis S. Rose 1962-4-11 62020 Sonoma Laguna de Santa Rosa. 1/2 mile east of Cunningham. 15 Comment
  CAS-BOT-BC260988  Pleuropogon californicus var. californicus John Thomas Howell 1947-6-26 23316 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC260989  Pleuropogon californicus var. californicus John Thomas Howell 1946-3-31 21593 Sonoma SW of Sonoma Comment
  CAS-BOT-BC260974  Pleuropogon californicus var. californicus Peter Rubtzoff 1955-4-30 1802 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  JEPS75984  Pleuropogon hooverianus Craig D. Thomsen 1977-4-16 Sonoma adjacent to Pressley Road (on Sonoma Mountain); Sonoma Mountain 225 Comment
  CAS-BOT-BC173704  Poa annua Peter Rubtzoff 1989-4-30 9990 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC255603  Poa annua Peter Rubtzoff 1960-5-20 4399 Sonoma Laguna de Santa Rosa E of Graton, between Occidental and Guerneville roads Comment
  CAS-BOT-BC255610  Poa annua Peter Rubtzoff 1958-9-21 4004 Sonoma Vacation Beach, near Guerneville, Russian River bottom Comment
  CAS-BOT-BC256034  Poa pratensis Peter Rubtzoff 1958-5-3 3612 Sonoma Atascadero Creek Marsh Comment
  RSA126953  Poa pratensis H. S. Yates 1936-5-16 5602 Sonoma 2 miles SE of Forestville 30 Comment
  SEINET6858779 Image available Poa scabrella A. G. Vestal, Wanda P. Vestal 1962-1 s.n. Sonoma 1 mile east of Occidental. Comment
  SEINET11688534  Poa secunda C. F. Quibell 1980-1 1427 Sonoma Geysers Geothermal area, floristic survey for P.G & E (Vic. unit 18) Comment
  UCD90893  Poa secunda subsp. secunda B. A. Etcheverry 1928-4-22 s.n. Sonoma Wilbur Springs. Comment
  UCD92089  Poa secunda subsp. secunda L. Whitney 1935-3-16 s.n. Sonoma Near Occidental. Comment
  CAS-BOT-BC244192  Poa trivialis Peter Rubtzoff 1951-7-8 410 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC244198  Poa trivialis Peter Rubtzoff 1955-7-17 1972 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC244199  Poa trivialis Peter Rubtzoff 1955-6-26 1905 Sonoma Duncans Mills Marsh, edge of the lower portion of the marsh Comment
  RSA129389  Poa unilateralis H. S. Yates 1934-4-21 3796 Sonoma Near Bodega 91 Comment
  CDA41540  Pogogyne douglasii G. F. Hrusa, A. Buckmann 1996-10-5 13586 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. 2 mi. SW of Calistoga. Comment
  POM62751  Pogogyne douglasii subsp. parviflora A. A. Heller 1902-6-4 5642 Sonoma Santa Rosa. Comment
  CAS-BOT-BC368094  Pogogyne serpylloides Greg de Nevers 1998-5-5 11228 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  JEPS43007  Polygala californica W. L. Jepson 1923-6-28 10011 Sonoma Sonoma Canyon Kenwood 243 Comment
  JEPS43011  Polygala californica Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  JEPS46103  Polygala californica Eleanor Armstrong 1932-5-18 474 Sonoma Camp Meeker 121 Comment
  POM138562  Polygala californica Milo S. Baker 1898-5-8 601 Sonoma Glen Ellen Comment
  SEINET12205547  Polygala californica J. T. Vale, Wagnon, H. K. 1988-1 s.n. Sonoma Skaggs Springs Road between Annapolis Road and Lake Sonoma Comment
  UCD160122  Polygala cornuta James A. Neilson Jr. 1973-6-3 2993 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-BC110538  Polygonum Peter Rubtzoff 1986-9-28 9751 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164392  Polygonum Peter Rubtzoff 1970-5-30 6248 Sonoma 5 mi. north of Sears Point Comment
  CAS-BOT-BC109165  Polygonum bolanderi F. G. Krauss 1893-10-8 s.n. Sonoma K Ranch. Comment
  CAS-BOT-BC109247  Polygonum paronychia Mrs. H. C. Cantelow 1940-4-20 4190 Sonoma North of Bay. Mouth of Salmon River. Comment
  UC1042522  Polygonum punctatum Peter Rubtzoff 1952-10-26 1338 Sonoma Lower Marsh Pitkin Marsh (near Forestville) Comment
  UCD136917  Polypodium californicum Frederica Bowcutt 1994-5-1 1755 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. Along Sonoma Creek just E of Bear Creek near bridge over Somona Creek. On Goodspeed trail about 30 yards from trail head. 198 Comment
  SEINET11719959  Polypodium californicum W. Knight, Knight, I. 1990-1 6570 Sonoma Armstrong Redwoods State Reserve Comment
  CAS-BOT-BC76833  Polypodium glycyrrhiza J. W. Congdon 1892-5-30 s.n. Sonoma Cazadero Comment
  UC1606995  Polypodium glycyrrhiza Margaret Rockwood and L. Esposito 1993-3-31 303 Sonoma Ca. 3 km NW of Bodega town (Fitzpatrick Lane) 30 Comment
  CDA10946  Polypodium glycyrrhiza G. F. Hrusa, G. L. Stebbins 1994-3-28 11704 Sonoma North Coast Biodiversity Arena; Half-way to summit of grade immediately NW of Cazadero. 0 Comment
  UCD136868  Polypodium glycyrrhiza Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 57 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Comment
  CAS-BOT-BC328122  Polypogon Peter Rubtzoff 1964-7-14 5402 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC350910  Polypogon Peter Rubtzoff 1970-9-3 6376 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC233000  Polypogon australis Peter Rubtzoff 1962-8-22 5054 Sonoma Bodega Bay Marsh Comment
  UCD90986  Polypogon australis Peter Rubtzoff 1961-9-20 4754 Sonoma Willow Creek Marsh. Comment
  UC1132888  Polypogon interruptus H. S. Yates 1937-6-6 6584 Sonoma 3 mi e Jenner; Duncan Mills Quad. Comment
  UCD51668  Polypogon interruptus Harry Goff; Virginia Bufford 1935-5-22 62 Sonoma foot of Hood Mt. Comment
  CAS-BOT-BC237398  Polypogon monspeliensis Greg de Nevers 1981-5-12 1142 Sonoma Pepperwood Ranch. At the Red Corral, Old McCann Homestead Comment
  CAS-BOT-BC237399  Polypogon monspeliensis Greg de Nevers 1981-6-6 1494 Sonoma Pepperwood Ranch. On the S slope of Telegraph Hill, E of the road, above the cow trough Comment
  CAS-BOT-BC237404  Polypogon monspeliensis Peter Rubtzoff 1951-8-19 642 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh Comment
  CAS-BOT-BC237412  Polypogon monspeliensis Peter Rubtzoff 1963-7-27 5217 Sonoma Lower Salmon Creek Marsh Comment
  POM206737  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Near Sonoma. Comment
  SEINET8465033 Image available Polypogon monspeliensis G. K Helmkamp, E. A. Helmkamp 2010-6-4 16224 Sonoma North Coast Ranges; Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  OBI23270  Polypogon monspeliensis Jim Rogers 1972-7-30 10 Sonoma Santa rosa. Where Reovir Dr crosses Santa Rosa Crk Comment
  UCD91262  Polypogon monspeliensis Frederica Bowcutt; Joy Keeney, Adam Greene 1994-5-21 1838 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. On Hillside Trail 1 mi. from junction with Grey Pine Trail. 396 Comment
  UCD91338  Polypogon monspeliensis P. B. Kennedy 1920-6-16 X 3252 Sonoma Santa Rosa; Field -- Campus -- Berkeley Comment
  UCD91340  Polypogon monspeliensis P. B. Kennedy 1920-6-17 X 3252 Sonoma Santa Rosa; Field -- Campus -- Berkeley Comment
  CAS-BOT-BC72167  Polystichum californicum Walter Knight; Irja Knight; Dr. Steve Edwards 1986-6-9 5447 Sonoma Annadel State Park 83 Comment
  HSC76929  Polystichum californicum R. W. Becking 1983-6-28 Sonoma Glen Ellen, Bouverie Audubon Preserve. Watershed of Stuart Creek in top-most redwood grove Comment
  SEINET11719958  Polystichum californicum Unknown 1987-1 70019 Sonoma W of Cloverdale, Hot Springs Rd area, Lake Somona near inundation point of Brush Creek 183 Comment
  SEINET11720934  Polystichum dudleyi F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -56 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  UCD136560  Polystichum munitum Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 025 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1, near old 'railroad' bridge. 30 Comment
  UCD136561  Polystichum munitum Botany 102 Students 1993-5-8 103 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon. Comment
  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-BC102667  Populus fremontii Peter Rubtzoff 1970-6-21 6266 Sonoma tributary of Mark West Creek ca. 3 mi. west of Fulton Comment
  CAS-BOT-BC102671  Populus fremontii Irja Knight; Walter Knight 1964-11-9 802 Sonoma Odds Fellows Park on Russian River Comment
  CAS-BOT-BC445291  Portulaca oleracea Peter Rubtzoff 1965-9-5 5635 Sonoma Forest Hills 5.5 mi east of Guerneville. Comment
  CAS-BOT-BC267132  Potamogeton M. S. Baker 1899-6-1 3657 b Sonoma Near Valley Ford Comment
  UC441348  Potamogeton illinoensis Milo S. Baker June 1899 Sonoma near Sebastopol Comment
  CAS-BOT-BC251265  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh area. Comment
  UCR244635  Potamogeton nodosus Peter Rubtzoff 1970-8-18 6312 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
  CAS-BOT-BC454022  Potamogeton pectinatus Peter Rubtzoff 1955-9-9 2123 Sonoma Bodega Head Marsh. Comment
  UCD113699  Potentilla anserina subsp. pacifica Terri Williamson 1990-5-20 49 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  CAS-BOT-BC141952  Potentilla anserina subsp. pacifica Peter Rubtzoff 1954-8-9 1659 Sonoma Bodega Head Marsh - Sonoma County Marshes Comment
  UC963929 Image available Potentilla uliginosa Milo S. Baker 1947-6-26 11831 Sonoma ca 1 mi (airline) sw Cunningham Sta.; North Bay Counties, Cunningham Marsh Comment
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Oct 28 2010
  SEINET12052828  Prosartes hookeri F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -57 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  UCD168044  Prosartes hookeri James A. Neilson Jr. 1981-3-13 3997 Sonoma Mayacmas Mountains, Hummingbird Creek, Squaw Creek drainage. (Exact location unknown, coordinates estimated by label maker.) Comment
  POM70072  Prunella vulgaris var. lanceolata Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  UC1321010  Prunella vulgaris var. vulgaris Peter Rubtzoff 1961-9-6 4729 Sonoma ne Graton (Laguna de Santa Rosa area); , ne of Graton Comment
  CAS-BOT-BC159845  Prunus cerasifera Walter Knight; Irja Knight; Keith Wagnon 5065 Sonoma At jct of Sonoma Mt. Rd. and Bennett Valley Rd. ca. 1 mi west of Glen Ellen Comment
  UCD113174  Prunus cerasifera Frederica Bowcutt 1995-11-19 2066 a Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Along Sonoma Creek next to bridge between outdoor center and campground. Comment
  CAS-BOT-BC159901  Prunus emarginata A. A. Heller; H. E. Brown 1902-3-21 5120 Sonoma Hills Southeast of Santa Rosa Comment
  POM139676  Prunus subcordata A. A. Heller, H. E. Brown 1902-4-4 5215 Sonoma Hills east of Santa Rosa Comment
  UC1128436  Prunus virginiana var. demissa H. S. Yates 1934-4-22 3860 Sonoma near Petrified Forest 243 Comment
  CAS-BOT-BC356498  Pseudognaphalium beneolens Walter Knight; Irja Knight 1963-10-3 379 Sonoma Off ramp freeway US 101 & Railroad Ave., Cotati Comment
  CAS-BOT-BC356499  Pseudognaphalium beneolens G. DeNevers 1981-7-25 1871 Sonoma Pepperwood Ranch. In Garrison Canyon Comment
  CAS-BOT-BC356501  Pseudognaphalium beneolens Mary P. Wells 1988-9-7 967 Sonoma In a plant bed at Friends House, Rincon Valley, Santa Rosa Comment
  JEPS128240  Pseudognaphalium luteoalbum Roger Raiche 2000-5-4 079 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD159438  Pseudognaphalium stramineum D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 195 -2 Sonoma Abandoned volleyball court/field. Disturbed. 6 Comment
  CAS-BOT-BC361616  Pseudognaphalium stramineum Roxana S. Ferris 1937-8-18 9375 Sonoma At mouth of Salmon Creek on Bodega Bay Comment
  CAS-BOT-BC361624  Pseudognaphalium stramineum R. E. Frenkel 1964-6-22 614 Sonoma On California Hwy. 1 at Sonoma Coast S.P., south of Coleman Beach 18 Comment
  SEINET5345374  Pseudotsuga menziesii var. menziesii L. Fallon 1939-1-6 s.n. Sonoma 10 miles north of Guerneville Comment
  CAS-BOT-BC176177  Psilocarphus Peter Rubtzoff 1970-5-30 6250 Sonoma 5 miles north of Sears Point. Comment
  RSA784565  Psilocarphus Peter Rubtzoff 1966-5-30 5746 Sonoma Laguna de Santa Rosa, northwest of Graton, at end of Piner Road Comment
  UCD166085  Psilocarphus Peter Rubtzoff 1971-6-25 6553 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC362075  Psilocarphus tenellus G. DeNevers 1981-4-30 889 Sonoma Pepperwood Ranch. At Pippindale Garden Comment
  SEINET3558501 Image available Psoralea macrostachya Lewis S. Rose 1933-9-3 33358 Sonoma 2 miles west of Petrified Forest. Comment
  CAS-BOT-BC72687  Pteridium aquilinum Walter Knight; Irja Knight 1963-10-3 382 Sonoma Crane Canyon Comment
  UCD100924  Pterostegia drymarioides Arlene Johnston 1977-5-11 83 Sonoma Bodega Bay. Comment
  UCD19519  Pterostegia drymarioides Terry Reedy 1974-5-11 219 Sonoma Bodega Head. 9 Comment
  UCD93362  Puccinellia nutkaensis Beecher Crampton 1957-7-11 4314 Sonoma At the western edge of Bodega Harbor, about 2 miles by road, west of the town of Bodega Bay. Comment
  JEPS37687  Quercus X chasei Mrs. Charles L. Wheeler 1908-3-1 Sonoma Sebastopol Comment
  CAS-BOT-BC94232  Quercus X eplingii G. De Nevers 1981-9-5 1814 Sonoma Pepperwood Ranch. At the Bottom of Hansel's driveway, by the bridge Comment
  UCD46050  Quercus X eplingii G. F. Hrusa; R. Gross 1999-6-12 15076 Sonoma Foote Ranch, corner of Ida Clayton Rd and Hwy 128, Knights Valley. Comment
  CAS-BOT-BC94706  Quercus X howellii G. De Nevers 1981-9-5 1825 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  CAS-BOT-BC104298  Quercus X morehus John Thomas Howell 1946-8-17 22859 Sonoma Lloyd Voit Ranch W of Cunningham Comment
  CDA11974  Quercus X morehus G. F. Hrusa, J. Pfeiffer 1995-9-23 12467 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.7 m. E of Hwy 12 on Cavedale Rd. Lower part of Island, below summit. Comment
  CAS-BOT-BC61627  Quercus agrifolia Dr. A. Kellogg; W. G. W. Harford 1868-1-1 908 Sonoma Cloverdale Comment
  CAS-BOT-BC61636  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
  CDA23774  Quercus agrifolia D. G. Kelch 2006-10-4 06 .497-C Sonoma Entrance to Bouverie Reserve. 2 km N of Agua Caliente along Rte 12. Comment
  UC1173733  Quercus agrifolia Joseph P. Tracy 1939-10-14 16513 Sonoma 4 mi SE of Geyserville (Alexander Valley, foothills) 121 Comment
  UC1193299  Quercus agrifolia P. Zinke 1950-4-25 116 Sonoma 4 mi e Cloverdale (Quad. 61A4) 365 Comment
  UCD45061  Quercus agrifolia John M. Tucker 1952-9-20 2625 Sonoma California Sonoma Co.; Voight Ranch, ca.1.25 mi. (airline) southwest of Cunningham, near stream, ca. 200 yards from farmhouse; small, young tree ca. 8-10 ft. tall. Comment
  UCD45135  Quercus agrifolia Christine Lee 1993-4-23 87 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. Hillside Trail. Elev. 1400'. 426 Comment
  SEINET12028624  Quercus agrifolia W. Knight, Knight, I. 1981-1 3967 Sonoma 2.3mi up Cavedale Rd from jct of State Rt-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
  UCD45209  Quercus berberidifolia Roman Gankin 1967-10-4 1078 1 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  SEINET12031414  Quercus chrysolepis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -243 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  JEPS37408  Quercus douglasii W. L. Jepson 1918-6-21 Sonoma w of Windsor (Calhoun Ranch) Comment
  SEINET12034335  Quercus douglasii Unknown 1974-1 Sonoma Comment
  UCSB24433  Quercus durata var. durata McMinn, Howard 1938-9-5 Sonoma Hood Mountain Range Comment
  CAS-BOT-BC94669  Quercus garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 miles N of Penngrove 365 Comment
  UCD46179  Quercus garryana John Thomas Howell 1981-5-14 53936 Sonoma Fairfield Osborn Preserve of The Nature Conservancy, 4.5 mi. n.e. of Penngrove, Sonoma Mt., Sonoma County. 457 Comment
  UCR265130  Quercus garryana Ann Howald 2015-4-1 3329 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage 318 Comment
  CDA12817  Quercus kelloggii G. F. Hrusa, R. Gross 1996-3-8 12651 Sonoma North Coast Biodiversity Arena; Near intersection of Ida Clayton Rd. and Hwy 128 on Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  OBI4985  Quercus kelloggii Lewis S. Rose 1964-6-27 64058 Sonoma 2 mi N of Sonoma 274 Comment
  UC1135655  Quercus kelloggii C. M. Belshaw 1936-3-7 1563 Sonoma 0.25 mi w Trenton; Sebastopol Quad. 182 Comment
  UCD46678  Quercus kelloggii Lewis S. Rose 1964-6-27 64058 Sonoma 2 miles n of Sonoma hill slopes. 274 Comment
  CAS-BOT-BC62849  Quercus lobata Peter Rubtzoff 1951-11-24 835 Sonoma Pitkin Marsh, near Forestville, south of the Upper Marsh Comment
  RSA169363  Quercus lobata L. S. Rose 1964-6-27 64059 Sonoma 2 miles north of Sonoma. 274 Comment
  UC1042517  Quercus lobata Peter Rubtzoff 1951-11-24 836 Sonoma near Forestville (s of the Upper Marsh); Pitkin Marsh Comment
  SJSU10147  Quercus lobata A. W. Jacobs 1939-8-21 Sonoma Russian R near Hilton Comment
  UCD14500  Quercus parvula var. shrevei Steven J. Barnhart 1995-2-1 s.n. Sonoma California, Sonoma Co.; Salt Point State Park east of Highway 1, near junction of fire road up to the meadow and the trail to the Pygmy Forest. Comment
  CAS-BOT-BC134862  Quercus wislizeni G. DeNevers 1981-9-5 1820 Sonoma Pepperwood Ranch. Across the creek from the Goat Pens Comment
  JEPS37979  Quercus wislizeni W. L. Jepson 1893-9-23 Sonoma Mt. St. Helena 914 Comment
  CDA11187  Quercus wislizeni var. frutescens G. F. Hrusa 1989-1-2 5804 Sonoma North Coast Biodiversity Arena; NW side of Mt. St. Helena, midway up Ida Clayton Rd from Hwy 128. Comment
  UCD47610  Quercus wislizeni var. frutescens Frederica Bowcutt 1994-6-25 1921 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. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. Confirmed by K. Mawdoley 21 Oct 1996. 670 Comment
  UCD161308  Ranunculus aquatilis James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3695 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
  JEPS73359  Ranunculus aquatilis var. subrigidus Edward Lee 1934-4-30 749 Sonoma 1 mi w Two Rock Junction Comment
  UC1126147  Ranunculus californicus A. Lewis 1932-5-14 76 Sonoma Calabasas Creek Napa Quadrangle 457 Comment
  UCD95944  Ranunculus californicus Mary M. Hektner 1976-4-3 232 Sonoma on headlands above Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC378674  Ranunculus californicus var. californicus A. A. Heller; H. E. Brown 1902-3-14 5063 Sonoma near Windsor Comment
  CAS-BOT-BC378688  Ranunculus californicus var. californicus Walter Knight; Irja Knight 1964-3-11 547 Sonoma Pressley Rd. Comment
  CAS-BOT-BC378689  Ranunculus californicus var. californicus Walter Knight; Irja Knight 1964-2-27 532 Sonoma Highway 1 near Plantation turnoff Comment
  CAS-BOT-BC378706  Ranunculus californicus var. californicus Peter Rubtzoff 1969-6-14 6072 -E Sonoma vernal pool 6.5 mi northeast of Penngrove, on Lichen Road 426 Comment
  RSA31774  Ranunculus californicus var. cuneatus A. A. Heller 1938-5-14 15082 Sonoma On the bluff N of Bay, Bodega Bay. Comment
  CAS-BOT-BC361405  Ranunculus lobbii Greg de Nevers 1994-3-18 10514 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. Weimar vernal meadow 457 Comment
  JEPS86343  Ranunculus lobbii Jack and Betty Guggolz 1988-2-18 899 Sonoma pool about 1/8 mi e Fulton Road (1/4 mi n of Guerneville) Comment
  HSC82071  Ranunculus muricatus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5123 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  UC634967  Ranunculus muricatus H. L. Mason 1928-4-7 4275 Sonoma Jenner Russian River (mouth of river) Comment
  POM268846  Ranunculus muricatus A. A. Heller, H. E. Brown 1903-4-23 5356 Sonoma Near Sonoma. Comment
  UCD144424  Ranunculus muricatus Caitlin Lewis; William Mutch 1993-4-17 7 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain 1 mile. Near visitor center. 365 Comment
  RSA534614  Ranunculus occidentalis var. eisenii Peter Rubtzoff 1974-4-17 7368 Sonoma Upper Green Valley Marsh area. Comment
  RSA178036  Ranunculus orthorhynchus var. bloomeri Robert F. Thorne 1965-4-19 34267 Sonoma Titus Ranch, Valley Ford. 18 Comment
  UC1084417  Ranunculus pusillus G. Thomas Robbins 1937-5-23 181 Sonoma vernal pool near Wright School (between Santa Rosa and Sebastopol) Comment
  UCD150141  Ranunculus pusillus 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
  SEINET12093777  Ranunculus pusillus H. K. Wagnon 1988-1 1796 Sonoma Spring Lake, near Montgomery Drive, Santa Rosa 69 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
  UC570986  Rhamnus californica subsp. californica Herbert L. Mason 1928-4-8 4293 Sonoma 2 mi n Fort Ross Comment
  RSA178029  Rhamnus tomentella subsp. tomentella Robert F. Thorne 1965-4-19 34285 a Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC53742  Rhododendron columbianum Peter Rubtzoff 1951-6-2 106 Sonoma Pitkin Marsh, near Forestville - Western branch of the Upper Marsh Comment
  UCD117989  Rhododendron occidentale J. M. Tucker 1952-5-4 2361 Sonoma On bank of the Wheatfield Fork of the Gualala River, beside road from Geyserville to Stewart's Point, ca. 12 miles east of Stewart's Point. Comment
  CAS-BOT-BC200337  Rhododendron occidentale var. occidentale A. A. Heller 1902-6-24 5749 Sonoma Near Burke's Sanitarium Comment
  CDA16156  Rhododendron occidentale var. occidentale R. Gross 1999-7-7 s.n. 2 Sonoma North Coast Ranges; NW side of Mt. St. Helena, below Ida Clayton Rd. 0 Comment
  CAS-BOT-BC200354  Rhododendron occidentale var. paludosum M. S. Baker 1898-6-11 s.n. Sonoma Sulphur Creek Comment
  CAS-BOT-BC111887  Rhynchospora californica Peter Rubtzoff 1951-8-5 598 Sonoma Pitkin Marsh, Western branch of the Upper Marsh Comment
  CAS-BOT-BC350939  Rhynchospora californica Peter Rubtzoff 1961-10-18 4763 Sonoma Cunningham Marsh. Comment
  NY51372  Rhynchospora californica J. T. Howell 1936-7-26 12679 Sonoma Pitkin Marsh, 5 mi N of Sebastopol. Comment
  UCD141234  Rhynchospora capitellata Herbert L. Mason 1946-7-4 12881 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  RSA94267  Rhynchospora capitellata Peter Rubtzoff 1951-7-1 325 Sonoma Margin of Creek at Hwy 12, SE of Forestville Comment
  SEINET4178848 Image available Rhynchospora globularis Unknown 1946-7-4 12882 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  CAS-BOT-BC111927  Rhynchospora recognita John Thomas Howell 1945-8-14 21393 Sonoma Perry Marsh Comment
  UC75444  Ribes californicum Milo S. Baker 1898-4-4 19 Sonoma Sea View Comment
  RSA0057959  Ribes divaricatum Greg de Nevers 1998-4-27 11204 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 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
  RSA0025036  Ribes divaricatum var. pubiflorum L. S. Rose 1962-4-11 62018 Sonoma Laguna de Santa Rosa. 0.5 mile E of Cunningham. 15 Comment
  CAS-BOT-BC212922  Ribes menziesii John Thomas Howell 1934-3-3 11737 Sonoma 8 miles south of Fort Ross Comment
  UC11484  Ribes roezlii var. cruentum F. T. Bioletti 1894-1 Sonoma near Hood's Peak Comment
  UC75454  Ribes roezlii var. cruentum Milo S. Baker 1903-3-20 Sonoma Hood Mt. Comment
  CAS-BOT-BC211981  Ribes sanguineum Alice S. M. McKenzie 1981-2-23 16 Sonoma State Hwy #1 at Kolmer Gulch, coast between Russian and Gualala Rivers Comment
  CHSC26437  Ribes sanguineum var. glutinosum P. Kunst 1977-4-12 22 Sonoma Large population, ca. 3 yd n of Coleman Valley Rd and 2.5 mi w of Occidental. 219 Comment
  JEPS76923  Ribes sanguineum var. glutinosum Robert M. Lloyd 1963-2-24 2056 Sonoma 4 mi s State Highway 12 (above State Highway 1) 15 Comment
  RSA0019523  Ribes sanguineum var. glutinosum A. A. Heller, H. E. Brown 1902-3-21 5112 Sonoma Hills southeast of Santa Rosa Comment
  SEINET5660524 Image available Ribes victoris Paul M. McKenzie, Lowell E. Urbatsch; Annette Parker; Karla Wilzer 1971-1 176 Sonoma On North slope near construction site; ca. 8 miles west of Geyserville on Stewarts Point--Skaggs Springs Roads.; Stewarts Point Comment
  CAS-BOT-BC362936  Rigiopappus leptocladus James McMurphy 1909-5-29 s.n. Sonoma Near the Geysers Comment
  CAS-BOT-BC376258  Rorippa Greg de Nevers 1992-5-5 10141 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. West of Three Tree Hill 475 Comment
  CAS-BOT-BC488331  Rorippa curvisiliqua Ayzik Solomeshch 2009-5-14 s.n. Sonoma 2.3 km SE of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1 22 Comment
  CAS-BOT-BC74715  Rorippa curvisiliqua Peter Rubtzoff 1976-9-25 8902 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC74721  Rorippa curvisiliqua John Thomas Howell 1947-6-26 23303 Sonoma Cunningham Marsh. Comment
  JEPS79426  Rorippa curvisiliqua Nancy Harrison 1980-4-7 Sonoma Park Trail Drive South Santa Rosa (s Santa Rosa) Comment
  UC398792  Rorippa curvisiliqua Katharine Brandegee Sonoma Duncan's Mills Comment
  RSA295091  Rorippa curvisiliqua Robert A. Norris, John L. Inase, Allen Nakagawa 1981-6-27 4207 Sonoma On the Boriolo Ranch, near Trenton Rd., just S of and paralleling River Rd., (N part of Laguna de Santa Rosa), approx halfway between Guerneville and Santa Rosa. 15 Comment
  CAS-BOT-BC74848  Rorippa palustris var. palustris Peter Rubtzoff 1964-8-20 5470 Sonoma Near pond 1 mile southeast of Jenner (near junction of Hihgways 1 and 12). Comment
  CAS-BOT-BC152674  Rosa californica Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UC467669  Rosa californica V. King Chesnut Aug. 1889 Sonoma Santa Rosa Comment
  RSA107409  Rosa eglanteria L. S. Rose 1955-10-24 55188 Sonoma Two Rock 30 Comment
  POM187580  Rosa gymnocarpa Marcus E. Jones 1931-7-5 29009 Sonoma West of Cloverdale. Comment
  RSA240594  Rosa gymnocarpa C. W. Tilforth, J. Dourley 1973-7-18 911 Sonoma 1 mile E of Occidental. Along Graton Rd. Comment
  CAS-BOT-BC146774  Rosa gymnocarpa G. DeNevers 1982-5-18 2021 Sonoma N side of Franz Valley Road, 3/4 mile past top of hill Comment
  CAS-BOT-BC148195  Rosa rubiginosa Lewis S. Rose 1955-10-24 55188 Sonoma Two Rock 30 Comment
  CAS-BOT-BC148201  Rosa rubiginosa Peter Rubtzoff 1957-8-17 3514 Sonoma Occidental Marsh Comment
  CAS-BOT-BC262823  Rubus Peter Rubtzoff 1964-5-20 5311 Sonoma Brooks Gulch Marsh. Comment
  UCR279643  Rubus Peter Rubtzoff 1964-5-20 5306 Sonoma Bodega Bay Marsh 15 Comment
  UCD113778  Rubus armeniacus Terri Williamson 1990-5-20 46 Sonoma Bayflat Road, Bodega Bay. 3 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
  UC467858  Rubus spectabilis Katharine Brandegee June 1905 Sonoma Bodega Comment
  RSA122155  Rubus spectabilis var. franciscanus H. S. Yates 1934-4-21 5348 Sonoma Near Bodega, Duncan Mills. 915 Comment
  RSA800078  Rubus ursinus Peter Rubtzoff 1958-5-3 3613 Sonoma Atascadero Creek Marsh. Comment
  UCD17811  Rubus ursinus H. Olmo 8-10 May 1962 62 03 Sonoma California. Sonoma County: just north of Carmet along State Highway 1. Near Highway marker B14.58 and 100 yards up ravine from ocean shore. Comment
  RSA783796  Rumex Peter Rubtzoff 1964-6-3 5351 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC166704  Rumex Peter Rubtzoff 1958-7-19 3756 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC166917  Rumex Peter Rubtzoff 1959-9-12 4262 Sonoma Willow Creek Marsh. Comment
  UCD101008  Rumex acetosella Adam Green; Bowcutt 1994-5-1 1787 Sonoma Sugar Loaf Ridge State Park. About 50 air miles N of San Francisco; about 10 miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 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
  UCD101040  Rumex acetosella P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC421856  Rumex conglomeratus John Thomas Howell 1938-7-3 13962 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC421580  Rumex crassus Mary P. Wells 1982-7-5 s.n. Sonoma Salmon Beach Parking Lot Comment
  UCD101121  Rumex crassus Ann F. Johnson 1979-6-19 s.n. Sonoma South of entrance road to Bodega Dunes State Park. Comment
  CAS-BOT-BC166969  Rumex crispus Peter Rubtzoff 1959-9-13 4268 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC433413  Rumex crispus G. DeNevers 1981-5-30 1395 Sonoma Pepperwood Ranch. Near Pippindale Pond. Comment
  RSA783834  Rumex fueginus Peter Rubtzoff 1958-9-27 4007 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road). Comment
  CAS-BOT-BC376429  Rumex paucifolius Greg de Nevers 1995-9-25 10773 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  POM37358  Rupertia physodes Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  JEPS90776  Sagina decumbens subsp. occidentalis Dean W. Taylor 1994-5-4 14225 Sonoma 1.8 mi n of Camp Meeker (along Bohemian Highway, Dutch Bill Creek drainage just downstream from confluence with Duvol Creek); North Coast Ranges, Bohemian Highway 76 Comment
  CAS-BOT-BC445686  Sagittaria cuneata W. W. Carruth 1901-6-1 s.n. Sonoma Laguna near Fulton Comment
  CAS-BOT-BC445781  Sagittaria latifolia John Thomas Howell 1945-7-18 21316 Sonoma Pitkin Marsh Comment
  RSA63684  Salicornia maritima Milo S. Baker 1946-1 11661 Sonoma Less than 1 mi. N of junction of Sears Pt. cutoff and Black Point Hwy. Comment
  CAS-BOT-BC125946  Salix X rubens Milo S. Baker 1928-3-12 2734 b Sonoma Hawkins Residence Comment
  UC517942  Salix X sepulcralis W. A. Setchell 1934-3-17 Sonoma Valley Ford Rd. 6 mi. from Petaluma Comment
  CAS-BOT-BC103078  Salix bonplandiana M. S. Baker 1930-4-11 3945 Sonoma Banks of Santa Rosa Creek Comment
  CAS-BOT-BC103079  Salix bonplandiana C. R. Ball; H. E. Parks 1931-2-17 22 Sonoma Santa Rosa Creek, 1 mile south of Santa Rosa Comment
  CAS-BOT-BC103084  Salix bonplandiana Peter Rubtzoff 1952-6-15 1265 Sonoma Fitch Mtn. Grove, near Healdsburg. Bank of Russian River Comment
  RSA534570  Salix bonplandiana Peter Rubtzoff 1963-10-5 5291 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  UC490515  Salix exigua var. hindsiana Joseph P. Tracy 1932-5-8 9899 Sonoma Geyserville; Northern Coast Ranges Comment
  UC599629  Salix exigua var. hindsiana A. A. Heller 1902-4-8 5224 Sonoma s.e. Santa Rosa; Bennett Valley Comment
  JEPS30834  Salix hookeriana Rimo Bacigalupi and L. R. Heckard 1962-6-19 8590 Sonoma just n Horseshoe Cove (near Bodega) Comment
  HSC19976  Salix laevigata P. J. Zinke 1950-4-25 119 Sonoma Russian River at Cloverdale 152 Comment
  SD133980  Salix laevigata Peter Rubtzoff 1966-9-10 5819 Sonoma Atascadero Creek Marsh. Along sluggish marshy Atascadero Creek just below the marsh Comment
  UC1356332  Salix lasiandra subsp. lasiandra Theodore J. Crovello 1964-4-11 399 Sonoma a few mi. e. Bodga Bay (along CA Hwy. 1); Cheney Gulch, Cheney Creek Comment
  UC453095  Salix lasiandra subsp. lasiandra W. A. Setchell 1925-7-25 14 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  CAS-BOT-BC128057  Salix lasiandra var. lasiandra Peter Rubtzoff; T. J. Crovello 1964-9-3 5496 Sonoma Bodega Harbor Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC107096  Salix lasiolepis Peter Rubtzoff 1952-3-23 894 Sonoma south of the Upper Marsh Comment
  CAS-BOT-BC107255  Salix lasiolepis Ball; Bracelin; Parks & Parks 1931-4-12 34 Sonoma Maacama Creek, about 25 km. northwest of Calistoga Comment
  UC1042519  Salix lasiolepis Peter Rubtzoff 1952-3-22 863 Sonoma Upper Marsh Pitkin Marsh (western branch, near Forestville) Comment
  UC453108  Salix lasiolepis W. A. Setchell 1931-8-1 22 Sonoma Russian R. between Monte Rio and Duncan's Mills; Russian R. Comment
  UC505684  Salix lasiolepis C. R. and B. S. Ball 1933-5-30 2511 Sonoma Bodega Bay; at base of bluff below road Comment
  UC517941  Salix lasiolepis W. A. Setchell 1934-3-17 Sonoma Monte Rio; left hand side of road entering Bohemian Grove Comment
  UC66163  Salix lasiolepis A. A. Heller 1902-3 5097 Sonoma e Santa Rosa; Santa Rosa Creek Comment
  SEINET10538859  Salix lasiolepis A. Arthur Heller 1902-3-18 Heller 5096 Sonoma Santa rosa creek, e of santa rosa. 23 Aug and 18 mar. Comment
  CAS-BOT-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-BC107352  Salix lasiolepis var. bigelovii Peter Rubtzoff 1966-11-9 5837 Sonoma along Salmon Creek near Freestone Comment
  POM281344  Salix lasiolepis var. bigelovii Carleton R. Ball, B. S. Ball 1933-5-6 2501 Sonoma 4 miles SW of Calistoga. On road to Petrified Forest and just over the Napa Co line. Comment
  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
  RSA534499  Salix lucida subsp. lasiandra Peter Rubtzoff 1955-8-20 2059 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC129523  Salix melanopsis Peter Rubtzoff 1978-7-19 9237 Sonoma Russian River at Del Rio Beach, ca. 2.5 mi. east of Healdburg on So. Fitch Mtn. Road Comment
  RSA534497  Salix melanopsis Peter Rubtzoff 1957-5-26 3372 Sonoma Vacation Beach. Near Guerneville. Russian River. Comment
  SBBG57920  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Russian River, Bohemian Grove, near Monte Rio Comment
  CAS-BOT-BC126190  Salix scouleriana Milo S. Baker 1933-1-1 s.n. Sonoma Along Santa Rosa - Bodega Highway, at O'Farrell Hill, 3 miles west of Sebastopol Comment
  CAS-BOT-BC126195  Salix scouleriana H. E. McMinn 1922-6-7 189 Sonoma 1 mile from Monte Rio Comment
  POM362927  Salix scouleriana Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental on Occidental Grade. Comment
  SJSU234  Salix scouleriana Baker, Ball, Bracelin & Crum 1931-5-9 343 Sonoma 2 km E of Occidenta on Occidental Grade Comment
  CAS-BOT-BC128946  Salix sitchensis Peter Rubtzoff 1962-9-9 5075 Sonoma Brooks Gulch Marsh 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
  UC1173578  Salix sitchensis Joseph P. Tracy 1935-8-18 14743 Sonoma w. of Knight's Valley (Mayacamas Creek); Mayacamas Creek 152 Comment
  UC482060  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 348 Sonoma 2 km. e. Bodega Bay (on Santa rosa-Bodega Hwy., Larkspur Rock) Comment
  UC66174  Salix sitchensis A. A. Heller 1902-3 5044 Sonoma foot of Mt. Hood (Sonoma Creek); , Sonoma Creek Comment
  UC726375  Salix sitchensis A. A. Heller 1900-3-12 5044 Sonoma e. flank Mt. Hood (Sonoma Creek); , Sonoma Creek Comment
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May 1 2014
  CAS-BOT-BC225212  Salvia sonomensis J. Clausen 1935-5-23 1073 b Sonoma 0.3 mi. N. of entrance to Petrified Forest Comment
  RSA396195  Salvia sonomensis F. H. Utech, Walter Knight, I. Knight 1984-4-16 84 -99 Sonoma ca 4.0 mi NNW of Sanoma on Cavedale Road from junction with CA hwy 12; ca 1.6 mi N on Cavedale Road from junction 396 Comment
  CAS-BOT-BC225219  Salvia sonomensis Peter H. Raven 1954-2-27 6429 Sonoma Mountainside on north side of Hooker Creek, Hoods Peak Range 609 Comment
  UCSB5819  Salvia sonomensis Keator, Glenn 1959-4-2 Sonoma 2.5 miles east on Cavedale road; 3.6 miles from Agua Caliente Comment
  CAS-BOT-BC245883  Sambucus nigra subsp. caerulea Walter Knight; Irja Knight 1963-9-1 145 Sonoma Pine Mt. Rd., NE of Cloverdale, Harold Smith Ranch Comment
  UC1057437  Sanicula arctopoides G. Thomas Robbins 1937-3-26 22 Sonoma near Bodega Bay Comment
  CHSC26274  Sanicula laciniata P. Kunst 1977-4-11 15 Sonoma 182 Comment
  UCD166314  Saponaria officinalis Peter Rubtzoff 1967-8-18 5849 Sonoma 6 miles east of Guerneville. 18 Comment
  CAS-BOT-BC441177  Saxifraga mertensiana A. A. Heller 1903-4-24 6616 Sonoma Woods near Cazadero Comment
  POM117235  Saxifraga mertensiana Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UC754290  Saxifraga mertensiana R. Bacigalupi 1948-3-6 2584 Sonoma 1 mi w of Skaggs Springs Comment
  UCR265131  Saxifraga mertensiana Ann Howald 2015-4-1 3331 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  UC21366  Scandix pecten-veneris Michener and Bioletti May 1892 Sonoma Shellville Comment
  CAS-BOT-BC283142  Schedonorus arundinaceus G. De Nevers 1981-6-20 1593 Sonoma Along Leslie Creek near confluence with Mark West Creek, Pepperwood Ranch Comment
  CAS-BOT-BC283150  Schedonorus arundinaceus John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54692 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC422368  Schedonorus arundinaceus Peter Rubtzoff 1960-6-9 4468 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC422369  Schedonorus arundinaceus Peter Rubtzoff 1962-5-25 4838 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC111432  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1958-8-31 3955 Sonoma Atascadero Creek Marsh. Comment
  UCD50086  Schoenoplectus acutus var. occidentalis P. G. Connors 1991-8-15 205 Sonoma In Clark Marsh with Typha latifolia. Comment
  CAS-BOT-BC111659  Schoenoplectus mucronatus Peter Rubtzoff; Nancy Harrison 1974-9-7 7872 Sonoma Hinebaugh Creek in Rohnert Park, creek bed just west of the Commerce Blvd. crossing. Comment
  CAS-BOT-BC111658  Schoenoplectus mucronatus Peter Rubtzoff; Nancy Harrison 1974-8-31 7858 Sonoma Hinebaugh Creek in Rohnert Park, creek just east of the Commerce Blvd. crossing. Comment
  CAS-BOT-BC111805  Schoenoplectus pungens var. badius Peter Rubtzoff 1959-6-20 4165 Sonoma Willow Creek Marsh. Comment
  SEINET9307598  Scirpus Unknown 2000-3-7 20945 Sonoma Sonoma Comment
  SBBG1055  Scoliopus bigelovii H. and M. Dearing 1939-5-14 3347 Sonoma near Monte Rio Comment
  SEINET926249  Scoliopus bigelovii Frank W. Gould 1939-1 562 Sonoma 2 miles south of Ft. Boss. Comment
  RSA73958  Scribneria bolanderi Milo S. Baker 1952-3-20 12396 Sonoma East side Highway 12, ca. 1/4 mile North of Caliente. Comment
  UC972188  Scribneria bolanderi Milo S. Baker 1952-3-20 12396 Sonoma about 1/4 mi n of Caliente (e side of Highway 12); Highway 12 Comment
  UCR249343  Scrophularia californica Peter Rubtzoff 1958-5-17 3675 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  UCD151191  Scutellaria californica James A. Neilson Jr. 1974-7-10 2846 Sonoma Mayacmas Mountains, west side of Cobb Mountain, along road to PG and E geothermal units 9 and 10 at the Geysers. (Elevation estimated using a topo map by label maker.) 960 Comment
  POM63113  Scutellaria californica A. A. Heller 1902-6-23 5743 Sonoma Petrified Forest Comment
  JEPS19295  Selaginella wallacei C. F. Baker 1903-4-20 2746 Sonoma Napa-Sonoma-Lake Co. line Mt. St. Helena; inner N. Coast Ranges Comment
  CAS-BOT-BC363428  Senecio aronicoides G. DeNevers 1981-4-25 817 Sonoma Pepperwood Ranch. Along Creek that runs past chicken and goat pens, hillside, near main Pepperwood entrance Comment
  CAS-BOT-BC363429  Senecio aronicoides G. DeNevers 1981-5-9 1084 Sonoma Pepperwood Ranch. Above (S of) Redwood Canyon Comment
  SJSU14233  Senecio minimus C. W. Sharsmith 1989-5-14 9090 Sonoma Salt Point State Park c. 10 mi NW of Fort Ross Comment
  UCD135622  Senecio minimus Charles B. Heiser Jr. 1946-8-17 1831 Sonoma Russian River. Near Duncan Mills. 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
  UCD133859  Senecio vulgaris Frederica Bowcutt 1996-3-24 2077 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 first switchback. 441 Comment
  CAS-BOT-BC80318  Sequoia sempervirens A. A. Heller; H. E. Brown 1902-3-16 5080 Sonoma Russian River, Near Trenton Comment
  CAS-BOT-BC80321  Sequoia sempervirens John Thomas Howell 1924-3-22 285 Sonoma Near Camp Meeker Comment
  SEINET10612339  Sequoia sempervirens A. Arthur Heller, H. E. Brown 1902-3-16 Heller 5080 Sonoma Russian River, Near Trenton. Comment
  YM-YOSE15454  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 Miles south of Santa Rosa in Bennet Valley Comment
  RSA0062818  Setaria Greg de Nevers 1992-6-17 10175 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 305 Comment
  CAS-BOT-BC240154  Setaria pumila Peter Rubtzoff 1971-9-2 6684 Sonoma Todd Road near Stony Point Road Comment
  CHSC13721  Sidalcea diploscypha J. G. Moore 1970-5-29 154 Sonoma Cazadero. Comment
  UC18867  Sidalcea diploscypha Michener and Bioletti June 1897 Sonoma Hoods Peak Comment
  UC796565  Sidalcea diploscypha Roxana S. Ferris and Laura Lorraine 1948-6-9 11662 Sonoma on road to Kellogg 11 mi from Geyserville; 11 mi from Geyserville Comment
  UCD116755  Sidalcea malachroides P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC205564  Sidalcea malachroides L. R. Abrams 1920-7-3 7604 Sonoma Gualala River near Mendocino-Sonoma Co. Line Comment
  CAS-BOT-BC205607  Sidalcea malviflora Dorothy Scherer 1996-6-3 049 B Sonoma M.M. 34.00 halfway to ocean. Fort Ross State Historic Park 18 Comment
  CDA36503  Sidalcea malviflora subsp. laciniata T. C. Fuller 1966-6-2 14852 Sonoma Road to Petaluma, 1 mile east of Valley Ford. 0 Comment
  CAS-BOT-BC540832  Sidalcea oregana subsp. valida Peter Rubtzoff; Rimo Bacigalupi 1979-8-6 9305 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 miles west of its junction with Franz Valley Road. Comment
  RSA0020348  Sidalcea oregana subsp. valida Peter Rubtzoff 1979-7-15 9292 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 mi west of its junction with Franz Valley Road. Comment
  SEINET11935228  Silene californica F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -237 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UCR253369  Silene gallica Peter Rubtzoff 1974-5-25 7456 Sonoma Upper Green Valley Marsh 76 Comment
  UCR253372  Silene gallica Peter Rubtzoff 1969-8-14 6134 Sonoma Along Salmon Creek, c. 0.5 mile upstream from Hwy #1 3 Comment
  CAS-BOT-BC392490  Silene gallica John H. Thomas 1976-6-16 18334 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  SEINET4856109  Silene grandis Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point. Comment
  UCR254834  Silene multinervia Greg de Nevers 1997-4-16 10931 Sonoma North Coast Range, Cavedale Road 152 Comment
  CAS-BOT-BC364813  Silybum marianum Peter Rubtzoff 1951-7-21 479 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  UCD160117  Sisyrinchium James A. Neilson Jr. 1973-6-3 3040 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
  RSA178000  Sisyrinchium bellum Robert F. Thorne 1965-4-19 34287 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  RSA366986  Sisyrinchium bellum Christopher Davidson 1977-6-20 6037 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  UC3881  Smilacina stellata Maclean Sonoma banks near Geysers Comment
  CAS-BOT-BC164026  Solanum Peter Rubtzoff 1973-8-21 7245 Sonoma Sonoma Creek bottom near Aqua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC164418  Solanum Peter Rubtzoff 1965-8-22 5613 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164707  Solanum Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7845 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC164419  Solanum Peter Rubtzoff 1971-8-9 6634 Sonoma Laguna, Chileno Valley. Comment
  UCD148404  Solanum Peter Rubtzoff 1958-8-17 3889 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  UCD166506  Solanum americanum Peter Rubtzoff 1958-8-9 3837 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC344875  Solidago Peter Rubtzoff 1961-9-20 4748 Sonoma Americano Creek, 0.9 miles west of Bloomfield. Open, damp ground. Comment
  CAS-BOT-BC365582  Solidago elongata Walter Knight; Irja Knight 1963-9-10 247 Sonoma Corner San Antonio Rd & D St. Ext. Comment
  CAS-BOT-BC365659  Solidago spathulata John Thomas Howell 1931-9-26 8095 Sonoma 7 miles north of Fort Ross Comment
  CAS-BOT-BC365658  Solidago spathulata John Thomas Howell 1946-8-17 22866 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC365261  Solidago velutina subsp. californica Alice Eastwood 1915-6-29 4804 Sonoma Bodega Point Comment
  CAS-BOT-BC365266  Solidago velutina subsp. californica G. DeNevers 1981-6-15 1530 Sonoma Pepperwood Ranch. Below the 180 deg. turn in the road S of the aluminum gate by the orange tree Comment
  CAS-BOT-BC374528  Sonchus asper Peter Rubtzoff 1951-7-21 517 Sonoma Pitkin Marsh, near Forestville. Area between the Upper and the Lower marshes Comment
  CAS-BOT-BC374529  Sonchus asper Peter Rubtzoff 1951-7-21 517 Sonoma Pitkin Marsh, near Forestville. Area between the Upper and the Lower marshes Comment
  UCD133996  Sonchus asper subsp. asper Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1772 Sonoma Sugarloaf Ridge State ParkAbout 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 1.5 air miles NE of Kenwood and 18 air miles NW of Napa. In Adobe Canyon N of Sugarloaf Ridge along the S edge of Sonoma Creek at the parking lot/trail head of Goodspeed Trail. 198 Comment
  UCD92809  Sorghum bicolor subsp. drummondii David L. Morgan 1955-8-1 s.n. Sonoma On Arnold Drive, 3 miles S of Sonoma State Home. Comment
  CAS-BOT-BC236588  Sorghum halepense Peter Rubtzoff 1952-6-15 1262 Sonoma Fitch Mtn. Grove, near Healdsburg, Russian River bottom Comment
  CAS-BOT-BC236589  Sorghum halepense Peter Rubtzoff 1962-9-16 5089 Sonoma Vacation Beach, 1.5 mi. below Guerneville, along Russian River Comment
  UCR71885  Sparganium emersum subsp. emersum Peter Rubtzoff 1972-6-24 6790 Sonoma Atascadero Creek Marsh 28 Comment
  UCD92976  Spartina foliosa Beecher Crampton 1958-12-30 5140 Sonoma 10 miles west of city of Vallejo, along Sonoma Creek, north shore of San Pablo Bay. Comment
  UCD95027  Spartina foliosa R. Tofsrud 1941-9-1 173 Sonoma Bridge at Tolay Creek. Comment
  UCD99156  Spergula arvensis Frederica Bowcutt 1994-6-12 1860 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  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-BC251260  Spergularia Peter Rubtzoff 1954-7-3 1519 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  CAS-BOT-BC251284  Spergularia Peter Rubtzoff 1958-9-28 4020 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  UCR275243  Spergularia Peter Rubtzoff 1971-8-9 6632 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC390516  Spergularia macrotheca var. macrotheca Alice Eastwood 1915-6-29 4796 Sonoma Bodega Point Comment
  UCD160119  Spergularia rubra James A. Neilson Jr. 1973-6-3 2995 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
  UCD139040  Spiranthes romanzoffiana Mary M. Hektner 1974-7-10 144 -A Sonoma Unit 35-B Owner' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC534891  Spirodela polyrhiza Peter Rubtzoff 1951-9-2 704 Sonoma Northern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC502053  Stachys Peter Rubtzoff 1963-10-5 5295 Sonoma Brooks Gulch Marsh Comment
  RSA293432  Stachys rigida subsp. quercetorum Reino Alava 1958-5-24 2065 Sonoma About one mile from Graton on the road from Graton to Occidental. Comment
  SEINET12332453  Stachys rigida subsp. quercetorum F. H. Utech 1988-1 88 -197 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 Comment
  UCD125569  Stachys rigida var. quercetorum Rimy Waraich; Patti Togioka 1993-5-8 234 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 365 Comment
  CAS-BOT-BC175338  Stellaria borealis subsp. sitchana Peter Rubtzoff 1951-8-4 570 Sonoma Southern half of Lower Marsh. The Pitkin Marsh, near Forestville Comment
  UCD99350  Stellaria littoralis P. G. Conners 1991-7-3 195 Sonoma Bodega Marina Laboratory; above Horseshoe Cove Beach. Comment
  SD192872  Stellaria littoralis John A. Churchill 1974-5-2 7442756 Sonoma Off Route 1 ca. 1.0 mile north of town. Bodego Bay. 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-BC397773  Stellaria media Peter Rubtzoff 1952-5-31 1116 Sonoma Pitkin Marsh, near Forestville; Thickets south of the Upper Marsh. Comment
  RSA94647  Stellaria media Peter Rubtzoff 1952-3-23 882 Sonoma Pitkin Marsh: Open area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC405137  Stellaria nitens G. DeNevers 1982-2-21 1913 Sonoma Hill side above first serpentine road cut, end of canyon. Pine Flat Road. Blm. Comment
  CAS-BOT-BC375318  Stephanomeria exigua subsp. coronaria G. DeNevers 1981-6-27 1681 Sonoma Pepperwood Ranch. Walk up the Creek from Franz Valley Road through the Devil's Kitchen Comment
  NY431575  Stipa pulchra A. A. Heller 1902-4-9 5252 Sonoma 3 miles south of Healdsburg Comment
  UCD167361  Streptanthus James A. Neilson Jr. 1979-6-26 3976 Sonoma Mayacmas Mountans. About 2 1/2 miles northwest of Socrates Mine, 1/4 mile south of highest knoll above the Geysers on ridge that divides Big and Little Sulphur Creeks. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC61158  Streptanthus barbiger R. D. Stone; G. Clifton 1983-6-16 549 Sonoma Along Burma (Kincaid) Road, headwaters of the Cobb Creek drainage. Ca. 0.4 mile southwest of Geyser Rock. 1005 Comment
  UC956501  Streptanthus barbiger Freed W. Hoffman 1948-6-16 2341 Sonoma Dorr's Cabin North Coast Ranges, upper East Austin Creek Comment
  CAS-BOT-BC87233  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-19 6436 Sonoma Spring Mountain Road, 7.5 miles west of Saint Helena. Comment
  UC483689  Streptanthus glandulosus subsp. secundus Milo S. Baker 1932-5-8 5916 Sonoma 5 mi n Ft. Ross; Salt Point Comment
  UC985969  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-8-18 3208 Sonoma Cazadero Rd between Guerneville and Cazadero; North Coast Ranges Comment
  SEINET11990984  Streptanthus glandulosus var. secundus R. Raiche, Edwards, S.; Knight, W.; Knight, I. 1983-1 4756 Sonoma The Cedars, near Cazadero on Twitchell Ranch 274 Comment
  UC936537 Image available Streptanthus morrisonii Freed W. Hoffman 1946-9-26 1020 Sonoma at Layton Chromite Mine, headwaters of Big Austin Creek North Coast Ranges, Big Austin Creek; Big Austin Creek at Layton Chromite Mine, Sonoma Co. Comment
  CAS-BOT-BC269631  Symphoricarpos albus var. laevigatus Walter Knight; Irja Knight 1963-10-3 355 Sonoma Crane Canyon Comment
  POM188467  Symphoricarpos mollis Marcus E. Jones 1931-7-5 29056 Sonoma West of Cloverdale. Comment
  SBBG54474  Symphyotrichum chilense L. R. Abrams -Aug-1907 Sonoma Sebastopol Comment
  UC29832  Symphyotrichum chilense Alice King 1896-9-1 Sonoma Healdsburg Comment
  CAS-BOT-BC97832  Symphyotrichum chilense Walter Knight; Irja Knight 1963-9-26 116 Sonoma ca. 3 mi. from San Antonio Rd. on I. St. Ext. Comment
  CAS-BOT-BC97835  Symphyotrichum chilense Walter Knight; Irja Knight 1984-9-26 5236 Sonoma 5.9 mi. up Cavevale Rd. Comment
  CAS-BOT-BC98564  Symphyotrichum lentum F. G. Krauss 1894-5-1 s.n. Sonoma Mountains near Calistoga Comment
  UC469054  Symphyotrichum subspicatum Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  CDA16157  Taeniatherum caput-medusae G. F. Hrusa, R. Gross 1999-6-12 15078 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
Read comments
Jul 28 2008
  CAS-BOT-BC376984  Taraxacum officinale John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53962 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  SEINET12217339  Tellima grandiflora F. H. Utech 1988-1 88 -201 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  CAS-BOT-BC399885  Thalictrum polycarpum Peter Rubtzoff 1960-6-7 4448 Sonoma Austin Creek Marsh Comment
  UCR279883  Thermopsis californica Peter Rubtzoff 1965-5-8 5527 Sonoma Atascadero Creek Marsh 30 Comment
  UC73213  Thermopsis californica var. californica Milo S. Baker 1898-4-8 2 Sonoma road betw. Stewarts Pt. and Sea View Comment
  UC796642  Thermopsis californica var. californica Ira L. Wiggins 1949-4-30 12058 Sonoma roadside 6.8 mi e Santa Rosa (on road to Calistoga) Comment
  UCD108631  Thermopsis californica var. californica P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  SEINET7096767  Thermopsis macrophylla var. venosa A. G. Vestal 1955-5-7 s.n. Sonoma On Jonive Road. Ca 4.6 miles west of Sebastipol. NAD27,38? deg. 22' 48ao, -122?_ 54' 01ao (converted to WGS84 decimal degrees) UTM Zone 10, 508701mE, 4247764mN. Comment
  UC1127049  Thysanocarpus curvipes E. Armstrong 1934-3-26 920 Sonoma 2 mi w Camp Meeker; Sebastopol Quadrangle 121 Comment
  CAS-BOT-BC66815  Thysanocarpus curvipes G. DeNevers 1981-3-25 559 Sonoma Pepperwood Ranch. On Franz Valley Road below Walter Wards house. Comment
  CHSC22759  Thysanocarpus curvipes var. elegans Robert A. Schlising 1962-3-31 2125 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  CAS-BOT-BC67332  Thysanocarpus radians A. A. Heller; H. E. Brown 1902-4-8 5223 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC67338  Thysanocarpus radians Alice Griffin 1922-4-1 s.n. Sonoma El Verano. Comment
  UCD116048  Thysanocarpus radians M. Wiesendanger 1927-5-5 715 Sonoma Sonoma. Comment
  CAS-BOT-BC447597  Tiarella trifoliata subsp. unifoliata M. Thomas 1877-6-14 s.n. Sonoma Guerneville Comment
  SEINET12217316  Tiarella unifoliata F. H. Utech 1988-1 88 -200 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  RSA94008  Tofieldia glutinosa subsp. occidentalis Peter Rubtzoff 1951-7-1 338 Sonoma Pitkin Marsh, near Forestville; uppermost part of the western branch of the Upper Marsh. Comment
  UC139953  Torreya californica Alice Eastwood 1900-9-9 Sonoma Mt. St. Helena Comment
  SEINET11739540  Torreya californica W. Knight, Knight, I.; Edwards, S. 1986-1 5355 Sonoma along the trail en route to summit of Geyser Peak, access from Healdsburg-Geysers Road 914 Comment
  UCD135175  Torreya californica Lalit M. Srivastava 1957-11-1 22 a Sonoma On west side of State Highway 1 ca. 100 yards south of Fort Ross. 30 Comment
  UC1191804  Trichostema laxum Herbert L. Mason 1946-7-4 12897 Sonoma 2 mi E of Occidental 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
  UC750809  Trientalis latifolia Charles B. Heiser Jr. 1946-5-19 1759 Sonoma Russian River near Duncan Mills; Russian River Comment
  SEINET11995244  Trientalis latifolia F. H. Utech 1988-1 88 -207 Sonoma 6 mi W of Coleman Valley Road on Willow Creek Road, along Willow Creek 40 Comment
  JEPS128277  Trifolium Roger Raiche 2005-4-22 013 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA785000  Trifolium Peter Rubtzoff, Nancy Harrison 1978-5-20 9188 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  UCD164104  Trifolium Peter Rubtzoff; Nancy Harrison 1978-5-20 9188 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  RSA784996  Trifolium Peter Rubtzoff 1974-5-26 7495 Sonoma Todd road 1.5 mi from Hwy and 0.5 mi from W of Llano Road Comment
  UC555446  Trifolium barbigerum H. L. Mason 1931-4-12 5843 Sonoma 1.5 mi w Fulton Comment
  UCD107880  Trifolium bifidum R. Tofsrud 1948-5-1 s.n. Sonoma Santa Rosa. Comment
  UC631327  Trifolium bifidum var. bifidum P. B. Kennedy 1919-5-16 Sonoma Del Mar Comment
  UCR255743  Trifolium bifidum var. bifidum Greg de Nevers 1997-4-16 10940 Sonoma North Coast Range, Cavedale Road 152 Comment
  UCD165135  Trifolium bifidum var. decipiens Peter Rubtzoff 1974-5-18 7418 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UC573316  Trifolium ciliolatum B. Schreiber 1936-3-5 2211 Sonoma 2 mi w Mark West Springs; Healdsburg quad 121 Comment
  UCSC005278  Trifolium depauperatum var. hydrophilum Randall Morgan 1995-5-18 2617 Sonoma Santa Rosa, Stony Point Road, across from Yuba Drive Comment
  UCD165126  Trifolium dubium Peter Rubtzoff 1974-4-17 7374 Sonoma Upper Green Valley Marsh. Comment
  RSA0060108  Trifolium fragiferum Greg de Nevers 1995-6-16 10755 Sonoma Knights Valley, marsh at base of hills at south end of the valley, on the Bavarian Lion Ranch. 91 Comment
  UC1541575  Trifolium fucatum H. E. and S. T. Parks 1930-5-9 608 Sonoma Knights Valley Comment
  SEINET12166390  Trifolium glomeratum H. K. Wagnon 1989-1 1886 Sonoma Adjacent to Fort Ross School's reservoir- Timber Cove 122 Comment
  UCD37561  Trifolium grayi Beecher Crampton 1955-4-5 2407 Sonoma 2 miles west of Fulton, along Woolsey Road. Comment
  UC494181  Trifolium microdon H. E. and S. T. Parks 1930-5-9 601 Sonoma Knights Valley Comment
  UCD165137  Trifolium microdon Peter Rubtzoff 1974-5-18 7421 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD33225  Trifolium microdon Beecher Crampton 1967-5-15 7926 Sonoma Sonoma County, Lytton. Comment
  UCD164681  Trifolium repens Peter Rubtzoff 1976-5-30 8555 Sonoma Kenwood Marsh. Comment
  UCSC005675  Trifolium stenophyllum Randall Morgan 1995-5-18 2610 Sonoma 6+ miles up Coleman Valley Road from Occidental Comment
  SEINET10577509  Trifolium variegatum var. rostratum Michener MICHENER s.n. Sonoma Kenwood Comment
  JEPS128367  Trifolium willdenovii Roger Raiche 2000-4-2 015 .00 Sonoma The Cedars. Bearpen Creek watershed (CalWater # 1114.120002). Comment
  UCD109507  Trifolium willdenovii J. Adams; J. Weick 1993-5-8 272 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Comment
  UCSB31788  Trifolium willdenovii Townsend, J. 1977-5-29 Sonoma West side Russian River, about 0.5 miles south of Guerneville 335 Comment
  POM169931  Trillium chloropetalum var. chloropetalum A. A. Heller, H. E. Brown 1902-3-12 3175 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  CAS-BOT-BC521308  Trillium rivale Peter Rubtzoff 1953-5-18 1406 Sonoma Forested hills south of Guerville (Neeley Hill area). Comment
  CAS-BOT-BC521309  Trillium rivale Peter Rubtzoff 1957-5-4 3317 Sonoma Duncans Mills Marsh area. Redwood forest bordering the Marsh in the west. Comment
  SEINET7075561  Triphysaria eriantha 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
  JEPS44411  Triphysaria eriantha subsp. eriantha Lewis S. Rose 1965-4-4 65018 Sonoma Sonoma 24 Comment
  UCSB7457  Triphysaria eriantha subsp. eriantha Keator, Glenn 1959-4-2 Sonoma 0.3 miles south of southern Boyes Springs city limits on outskirts of Sonoma on highway 12 Comment
  CHSC60152  Triphysaria eriantha subsp. rosea E. L. Knight 1988-4-1 1 Sonoma Ca 0.25 m ene of southernmost point of Bodega Head and 100 ft n of Pacific Ocean. 15 Comment
  JEPS19394  Triphysaria versicolor subsp. faucibarbata G. Thomas Robbins 1937-6-6 238 Sonoma along roadside near Bodega Bay; near Bodega Bay Comment
  UCD123427  Triphysaria versicolor subsp. versicolor Frederica Bowcutt 1984-6-23 455 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County Coast. West of Highway 1, north of Gerstle Cove about 1/3 mile. 15 Comment
  CAS-BOT-BC200105  Trisetum canescens Peter Rubtzoff 1952-6-10 1203 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC200113  Trisetum canescens Roxana S. Ferris; Laura Lorraine 1961-6-14 13533 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  CAS-BOT-BC200100  Trisetum canescens Catherine Best 1985-5-24 1100 Sonoma Stump Beach Park Comment
  UCD93589  Trisetum canescens Freed W. Hoffman 1944-5-22 1995 Sonoma Cruz Ranch near Sonoma Coast. Comment
  UCD93590  Trisetum canescens Freed W. Hoffman 1943-6-6 2212 Sonoma Coast road near Bridgehaven. Comment
  CAS-BOT-BC522358  Triteleia hyacinthina Peter Rubtzoff 1971-5-8 6439 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mile west of Arnold Drive Comment
  CAS-BOT-BC522359  Triteleia hyacinthina Peter Rubtzoff 1974-5-19 7447 Sonoma Todd Road 1.4 mile from Hwy. 116 and 0.6 mile from Llano Road Comment
  CAS-BOT-BC522363  Triteleia hyacinthina Peter Rubtzoff 1969-5-24 6057 Sonoma Vernal pool area 6.5 miles northeast of Penngrove, on Lichan Road 426 Comment
  UCD139397  Triteleia laxa Mary M. Hektner; Sue Dakuzaku 1974-6-2 12 A Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC527031  Triteleia laxa Peter Rubtzoff; Nancy Harrison 1974-7-13 7674 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC527044  Triteleia laxa John Thomas Howell 1930-6-8 5259 Sonoma 1 mile east of Bodega Bay Comment
  RSA70138  Triteleia laxa F. W. Peirson, Mabel Peirson 1926-4-1 6547 Sonoma 6 miles south of Cloverdale. Comment
  UC3330  Triteleia peduncularis Harley P. Chandler 1900-5-25 676 Sonoma Bodega Comment
  UC565400  Triteleia peduncularis G. Thomas Robbins 1937-6-5 216 Sonoma about ten mi w Santa Rosa (Vine Hill region, Pitkin Ranch); Vine Hill region, Pitkin Ranch Comment
  CAS-BOT-BC527968  Triteleia peduncularis John Thomas Howell 1935-5-5 12606 Sonoma Low Field near Kenwood Comment
  CAS-BOT-BC527969  Triteleia peduncularis J. W. Congdon 1888-5-30 s. n. Sonoma Santa Rosa Comment
  CAS-BOT-BC74108  Turritis glabra Rimo Bacigalupi 1926-5-2 1404 Sonoma Cazadero. Comment
  CAS-BOT-BC74110  Turritis glabra A. A. Heller; H. E. Brown 1902-5-29 5624 Sonoma Mount Hood. Comment
  UC16921  Ulex europaeus Harley P. Chandler 1900-5-25 685 Sonoma Bodega Comment
  UCD108657  Ulex europaeus T. I. Storer 1930-6-24 2153 Sonoma Near Bodega. Comment
  CAS-BOT-BC91281  Umbellularia californica Walter Knight; Irja Knight 1963-9-15 272 Sonoma Los Alamos Road. Santa Rosa. Comment
  RSA40094  Umbellularia californica L. S. Rose 1948-1-17 48003 Sonoma Glen Ellen 40 Comment
  UCD67497  Umbellularia californica D. Sanchez-Mata 1996-4-16 s.n. Sonoma Mercuryville. Big Sulphur Creek. The Geysers. Quercus wislizenii and Quercus kelloggii woodland; northern slopes. 430 Comment
  UCD158805  Uropappus lindleyi James A. Neilson Jr. 1974-3-27 2940 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC404221  Urtica dioica subsp. holosericea A. A. Heller 1902-6-24 5759 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC404233  Urtica dioica subsp. holosericea Peter Rubtzoff 1958-8-17 3890 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road) Comment
  POM106025  Urtica dioica subsp. holosericea Marcus E. Jones 1882-7-17 3483 Sonoma Duncan's Mills. Comment
  CAS-BOT-BC193981  Vaccinium cespitosum Milo S. Baker 1940-1-1 9670 Sonoma Perry's Marsh, Gravenstein Highway Comment
  POM192687  Vaccinium parvifolium H. P. Bracelin 1930-7-27 22 Sonoma One mile N. of Fort Ross. Comment
  RSA471155  Vaccinium parvifolium H. L. Bauer 355 Sonoma Big Basin Comment
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Sep 18 2012
  CAS-BOT-BC199472  Vaccinium parvifolium L. R. Abrams 1920-7-3 7595 Sonoma Gualala River Comment
  CAS-BOT-BC76166  Vancouveria planipetala Rimo Bacigalupi 1926-5-2 1376 Sonoma Cazadero. Comment
  RSA121716  Vancouveria planipetala H. S. Yates 1936-5-16 5614 Sonoma 1 mile NW of Mountain View School. 91 Comment
  CAS-BOT-BC135767  Veratrum fimbriatum Elizabeth Eaton Morse 1936-8-30 s.n. Sonoma Gualala River Comment
  CAS-BOT-BC135771  Veratrum fimbriatum Catherine Best 1981-8-22 s.n. Sonoma On Green Hill Road 3 miles easterly, airline, from Occidental Comment
  CAS-BOT-BC156315  Verbascum Peter Rubtzoff 1955-7-17 1976 Sonoma [Guernerville] Guerneville Marsh Comment
  CAS-BOT-BC157957  Verbascum Peter Rubtzoff 1954-7-27 1564 Sonoma [Guernerville] Guerneville Marsh Comment
  CAS-BOT-BC320526  Verbascum Peter Rubtzoff 1973-8-29 7289 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CDA29820  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15682 a Sonoma North Coast Biodiversity Arena; Along Leslie Creek approx. 1/4 mi. above Mark West Springs road crossing. Sheet 1 of 3. Comment
  UCD167954  Verbena lasiostachys James Neilson 1981-7-16 4057 Sonoma Mayacmas Mountains. Big Sulphur Cr. 100 yards below bridge of Cloverdale-Geysers Rd. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD125639  Verbena lasiostachys Frederica Bowcutt 1994-7-5 1933 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 30 feet, 70 ft. S of campfire center along N edge of Sonoma Creek, N and E of campground. 381 Comment
  CAS-BOT-BC164366  Veronica Peter Rubtzoff 1955-5-7 1825 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC164398  Veronica Peter Rubtzoff 1966-6-5 5757 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC164399  Veronica Peter Rubtzoff 1970-4-19 6211 Sonoma Forest Hills, 5.5 mi. east of Guerneville at 9981 Old River Road. Comment
  CAS-BOT-BC182759  Veronica americana Peter Rubtzoff 1955-7-10 1948 Sonoma Duncans Mills Marsh. Comment
  RSA178015  Veronica persica Robert F. Thorne 1965-4-19 34269 Sonoma Titus Ranch, Valley Ford. 18 Comment
  CAS-BOT-BC269313  Veronica scutellata Peter Rubtzoff 1972-6-24 6788 Sonoma Atascadero Creek Marsh. Comment
  UCD166064  Veronica serpyllifolia Peter Rubtzoff 1971-5-8 6447 Sonoma Pitkin Marsh, near Forestville. Western border of the marsh near end of Templeman Road. Comment
  RSA799986  Vicia Peter Rubtzoff 1974-5-25 7462 Sonoma Upper Green Valley Marsh. Comment
  UCR254843  Vicia gigantea Greg de Nevers 1998-3-14 11147 Sonoma Duncans Landing Beach, north of Bodega bay 0 Comment
  UC17028  Vicia sativa W. H. Brewer 1862-4-18 965 Sonoma near Sonoma Comment
  UCD108915  Vicia sativa subsp. nigra Freed W. Hoffman 1947-4-7 1895 Sonoma Between Healdsburg and Calistoga. Comment
  HSC15276  Vicia sativa subsp. sativa R. F. Good 1962-4-20 22 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes. Sonoma Mt. Coast Range. 46 Comment
  UCR198231  Vicia villosa Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .274 Sonoma Cavesdale Road 518 Comment
  UC1084366  Vinca major G. Thomas Robbins 1937-3-26 32 Sonoma along rd. to Bodega Bay just w. of Bodega Comment
  RSA264712  Vinca major Peter Rubtzoff 1974-4-6 7362 Sonoma Salmon Creek canyon 0.25 mi. south of Freestone. Comment
  UC1742246  Viola Milo S. Baker 1909-1 Sonoma Brookside Garden Comment
  JEPS46282  Viola adunca Eleanor Armstrong 1933-4-14 740 Sonoma Bodega Hill Comment
  UC1761581  Viola adunca Leo Koch 1939-4-8 496 Sonoma near Plantation (Baxman Ranch) Comment
  CAS-BOT-BC270243  Viola adunca Walter Knight; Irja Knight 1964-2-27 536 Sonoma Highway 1, Rocky Point, coastal bluffs Comment
  UC1057435  Viola douglasii G. Thomas Robbins 1937-3-25 9 Sonoma 8-10 mi e of Santa Rosa (near Golf and Country Club); Santa Rosa Creek Canyon Comment
  UC1761580  Viola douglasii Mildred Greene 1926-4-1 Sonoma Santa Rosa Country Club golf links Comment
  CAS-BOT-BC536902  Viola glabella Volney Rattan 1880-4-1 s.n. Sonoma Duncans Mill Comment
  UC19289  Viola lobata subsp. lobata F. P. McLean May 1872 Sonoma woods near Geyser Comment
  JEPS50443  Viola ocellata Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  UC35301  Viola ocellata J. Burtt Davy 1896-3-16 1680 Sonoma Cazadero Comment
  UC1763352  Viola pedunculata Edith Hessel 1927-4-15 Sonoma 3 mi from Cotati (Gravenstein Hwy toward Sebastopol) Comment
  UC1761303  Viola sempervirens Mary Eloise Bauder 1929-6-4 4 Sonoma Pocket Canyon Guerneville Comment
  UC1784157  Viola sempervirens Milo S. Baker 1926-12-3 s.n. Sonoma Pocket Canyon Comment
  CDA36403  Viscum album G. D. Barbe 1968-1-1 859 Sonoma Semi-abandoned residence yard, 7790 Atkinson Road 1 block east of Hwy 122, 1.5 miles north of Sebastopol. 0 Comment