Search Results — 2000 specimen records retrieved (1305 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
  UCD109786  Abronia latifolia Eric S. Nagy 1990-5-18 s.n. Sonoma Bodega Head, first dune ridge W of harbor along road, E of marine lab dorms, Bodega Bay. Comment
  UCR198015  Abronia latifolia Chris Chan 1991-3-5 04 Sonoma University of California Bodega Marine Lab 34 Comment
  RSA0025740  Abronia latifolia J. R. Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC203226  Abutilon Peter Rubtzoff 1971-6-5 6509 Sonoma Bennett Valley Road, 4.25 mi. west of Glen Ellen Comment
  CAS-BOT-BC451112  Acaena pinnatifida var. californica Alice Eastwood 1915-6-29 4114 Sonoma Bodega Point Comment
  CAS-BOT-BC332797  Acer macrophyllum Irja Knight; Walter Knight 1964-11-15 785 Sonoma Hood's Peak at Johnson Lake Comment
  CAS-BOT-BC332799  Acer macrophyllum John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54011 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC336944  Acer negundo var. californicum Peter Rubtzoff 1951-9-2 715 Sonoma Pitkin Marsh near Forestville, south of Upper Marsh Comment
  CAS-BOT-BC336942  Acer negundo var. californicum Irja Knight; Walter Knight 1964-11-3 761 Sonoma Sonoma Mt. Road. Between Folger Ranch and Enterprise Rd. Comment
  CAS-BOT-BC30080  Achillea millefolium Peter Rubtzoff 1951-6-16 250 Sonoma Pitkin Marsh, near Forestville, uppermost part of the western branch of the upper marsh Comment
  CAS-BOT-BC30086  Achillea millefolium Roxana S. Ferris 1937-8-18 9377 A Sonoma near mouth of Salmon Creek on Bodega Bay Comment
  UCD128365  Achillea millefolium Rimy Waraich; Patti Togioka 1993-5-8 236 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-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
  RSA783731  Achyrachaena mollis Peter Rubtzoff 1974-5-18 7425 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  NY380619  Acmispon aestivalis A. A. Heller 1902-8-18 6051 Sonoma Santa Rosa Comment
  UCD35653  Acmispon brachycarpus Beecher Crampton 1959-6-16 5373 Sonoma 1 mile east of Occidental. Comment
  UCD104098  Acmispon brachycarpus H. S. Yates 1934-4-22 3861 Sonoma Near Petrified Forest. 243 Comment
  HSC101108  Acmispon grandiflorus var. grandiflorus Peter Warner 2011-6-16 214 Sonoma Jenner Headlands property, northeastern area, on ridge between Jenner Gulch and Kidd Creek watersheds, ~ 200 m fr. boundary with E&P Ranch 470 Comment
  CAS-BOT-BC30277  Adenocaulon bicolor A. A. Heller 1902-6-26 5771 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  POM140933  Adenostoma fasciculatum var. fasciculatum A. A. Heller 1902-6-23 5741 Sonoma Petrified Forest Comment
  CAS-BOT-BC9072  Aegilops triuncialis Mary P. Wells 1987-7-7 892 Sonoma Spring Lake Park, Santa Rosa Comment
  UCR254921  Aegilops triuncialis Greg de Nevers 1989-1 9066 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  OBI20359  Aesculus californica Dave Morse 1972-7-29 4 Sonoma One mile NE of Cloverdale, on hwy 128 91 Comment
  SEINET3096032 Image available Aesculus californica Royal D. Suttkus 1967-6-25 67- 29 -1 Sonoma 4.4 miles SE of Alexander Valley. Comment
  UCD117143  Aesculus californica Frederica Bowcutt 1997-7-18 2175 Sonoma Sugarloaf Ridge State Park, about 50 air miles north of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge west of Bear Creek. 365 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-BC29571  Agoseris apargioides var. eastwoodiae Alice Eastwood 1915-6-29 4847 Sonoma Bodega Point Comment
  UCD160829  Agoseris grandiflora James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3273 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  JEPS128206  Agoseris heterophylla Roger Raiche 2000-4-23 041 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD128662  Agoseris retrorsa Gerry North 1993-4 53 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. On Bald Mountain Trail 0.5 mile above fork of Bald Mountain and Meadow trails. 457 Comment
  CAS-BOT-BC384608  Agropyron Greg de Nevers 1989-4-1 9067 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC166696  Agrostis Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7848 Sonoma Kenwood Marsh. Comment
  RSA785903  Agrostis Peter Rubtzoff 1964-6-24 5368 Sonoma Lower Salmon Creek Comment
  UCD166333  Agrostis Peter Rubtzoff 1968-7-13 5918 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC127550  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek Comment
  SEINET7297568 Image available Agrostis blasdalei Beecher Crampton 1957-1 4345 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek Comment
  UCD51847  Agrostis capillaris Beecher Crampton 1957-7-22 4365 Sonoma along Hwy. 1, 8.2 miles north of Stewart's Point. Comment
  UCD37152  Agrostis densiflora Beecher Crampton 1957-7-11 4331 Sonoma Sonoma County, 0.9 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD51886  Agrostis densiflora Beecher Crampton 1957-7-11 4336 Sonoma Sonoma Coast State Park, 1.7 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
  UCD36636  Agrostis exarata Beecher Crampton 1955-6-8 2830 Sonoma Sonoma County, at Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  UCD52392  Agrostis exarata Collector unknown Date Unknown Sonoma near Lewis School. Comment
  UCD52441  Agrostis exarata H. S. Yates 1937-6-6 6577 Sonoma 3 miles W of Santa Rosa. 45 Comment
  CAS-BOT-BC139551  Agrostis gigantea Herbert L. Mason 1946-7-4 12888 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  CAS-BOT-BC139553  Agrostis gigantea Peter Rubtzoff 1951-7-21 514 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower Marshes. Comment
  CAS-BOT-BC139550  Agrostis gigantea David L. Morgan 1955-7-18 s.n. Sonoma 5th Street, Petaluma. Comment
  UCD37348  Agrostis hallii Beecher Crampton 1959-6-16 5379 Sonoma Sonoma County, 1 mile east of Occidental. 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
  UCD53069  Agrostis microphylla var. intermedia L. Whitney 1935-4-14 2258 b Sonoma Blunden's Pasture near Occidental. Comment
  CAS-BOT-BC138925  Agrostis pallens G. DeNevers 1981-6-18 1574 Sonoma Pepperwood Ranch. In Hansel's grazed Oak Woodland. Comment
  UCD53168  Agrostis pallens A. A. Beetle; G. L. Stebbines Jr. 1942-6-4 3568 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  SEINET7594115 Image available Agrostis pallens A. S. Hitchcock 1908-1 2675 Sonoma Cloverdale, Cloverdale Comment
  UCD144566  Agrostis pallens Frederica Bowcutt 1994-6-12 1856 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air milse N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  RSA94459  Agrostis stolonifera Peter Rubtzoff 1951-7-21 514 Sonoma Pitkin Marsh, near Forestville, between the Upper and the Lower marshes Comment
  SEINET4342106  Agrostis stolonifera J. B. Davy 1899-7-22 6003 Sonoma Guerneville Comment
  RSA785372  Aira caryophyllea Peter Rubtzoff 1974-5-18 7438 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCD55773  Aira caryophyllea Gerry North 1993-4 31 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 picnic site across from parking lot east of kiosk. 381 Comment
  UCD55781  Aira caryophyllea Chris Bowen 1974-5-19 136 Sonoma Unit 24 Owners' Map. Sea Ranch. Near Pacific Reach. Near State Highway 1. Comment
  UCR279634  Alisma lanceolatum Peter Rubtzoff 1968-8-31 5953 Sonoma Russian River bottom at Forest Hills, 5.5 mi east of Guerneville 13 Comment
  CAS-BOT-BC154999  Alisma lanceolatum Peter Rubtzoff 1970-8-18 6303 Sonoma Five miles north of Sears Point Comment
  CAS-BOT-BC445332  Alisma lanceolatum Peter Rubtzoff 1959-6-27 4189 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Road crossing. Comment
  CAS-BOT-BC445334  Alisma lanceolatum Peter Rubtzoff 1954-8-2 1627 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC445470  Alisma triviale Peter Rubtzoff 1954-6-20 1510 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC445471  Alisma triviale Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC445473  Alisma triviale Volney Rattan 1879-1-1 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC368002  Allium Greg de Nevers 1989-6-8 9077 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UCR256119  Allium Greg de Nevers 1993-5-17 10450 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 220 Comment
  JEPS88972  Allium dichlamydeum H. P. Chandler 1920-5-25 718 Sonoma Bodega Bay 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
  CAS-BOT-BC469103  Allium dichlamydeum David D. Keck; J. Clausen 1935-6-15 3366 Sonoma 1 mile north of Salmon Creek Comment
  JEPS77860  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
  SEINET197632  Allium unifolium G. Thomas Robbins 1951-4-24 3387 Sonoma Bennett Valley, about 3 miles southeast of Santa Rosa. Comment
  CAS-BOT-BC169365  Alnus rubra Peter Rubtzoff 1959-6-13 4135 Sonoma Willows Creek Marsh, growing along Willow Creek Comment
  UCD166469  Alnus rubra Peter Rubtzoff 1960-6-11 4504 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC138047  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1955-5-21 1882 Sonoma Ross Marsh. Comment
  CAS-BOT-BC138049  Alopecurus aequalis var. sonomensis J. W. Congdon 1880-6-6 s.n. Sonoma Bloomfield. Comment
  RSA129282  Alopecurus aequalis var. sonomensis H. S. Yates 1936-5-16 5619 Sonoma Near Green Valley school. 91 Comment
  RSA262198  Alopecurus saccatus Peter Rubtzoff 1968-6-20 5894 Sonoma 6.5 mi. northeast of Penngrove on Lichau Road. 427 Comment
  UCD55917  Alopecurus saccatus Milo Baker 1941-6-1 s.n. Sonoma somewhere on coast. Comment
  CAS-BOT-BC540839  Amaranthus Peter Rubtzoff 1973-8-20 7235 Sonoma Sonoma Creek bottom hear Agua Caliente Road crossing W of Agua Caliente Comment
  RSA234560  Amaranthus albus Peter Rubtzoff 1958-8-9 3849 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  SEINET11933370  Amaranthus blitoides W. Knight, Knight, I.; Edwards, S. W. 1984-1 5068 Sonoma along Willow Creek between Denman Flat and Corona Rd, 2 mi N of downtown Petaluma Comment
  OBI33919  Ambrosia chamissonis David J. Keil 1983-6-29 17190 Sonoma Doran Beach County Park, Bodega Head Comment
  UCD128773  Ambrosia chamissonis Michael Fleschner 1965-5-1 s.n. Sonoma University of California Marine Biology Laboratory, Bodega Bay. Comment
  RSA29215  Ambrosia chamissonis var. chamissonis E. K. Balls 1953-10-9 18595 Sonoma South end of Doran Park, Bodega Bay, Hwy 1 3 Comment
  CAS-BOT-BC177231  Amorpha californica var. napensis Brandegee 1893-7-1 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC177227  Amorpha californica var. napensis Michener; Bioletti 1893-5-1 s.n. Sonoma Nun's [Canon] Canyon Comment
  POM194542  Amorpha californica var. napensis Anonymous 1929-6-2 s.n. Sonoma Near Mark [?] West Springs Comment
  CAS-BOT-BC162066  Amphibromus scabrivalvis Greg de Nevers 1996-6-5 10826 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road, about 10 miles north of Santa Rosa. In temporary pond on Weimar Flat. 121 Comment
  JEPS61160  Amsinckia intermedia Eleanor Armstrong 1933-4-15 706 Sonoma Bodega Comment
  HSC3552  Amsinckia vernicosa R. F. Good 1962-4-20 2 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes. Sonoma Mt. Coast Range. 46 Comment
  CAS-BOT-BC26970  Amsinckia viridifolia Alice Eastwood 1921-5-8 10484 Sonoma Petaluma Comment
  RSA785704  Anagallis arvensis Carrie A. Herd 1982-5-19 117 Sonoma Rohnert Park, C.S.U. Sonoma, Cluster School Building closest to Nichols Hall. Comment
  UCD56042  Andropogon glomeratus Freed W. Hoffman 1943-6-17 s.n. Sonoma Guerneville. Comment
  UC1011024  Andropogon glomeratus var. pumilus Milo S. Baker Apr 1936 251 Sonoma Sonoma Co. Geysers Comment
  UC1042505  Andropogon glomeratus var. pumilus Peter Rubtzoff 1951-11-24 849 Sonoma western branch of the Upper Marsh Pitkin Marsh (near Forestville); , western branch of the Upper Marsh Comment
  UCR255042  Anemone oregana Greg de Nevers 1997-2-28 10902 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD127216  Angelica californica J. M. Tucker 1951-6-26 2139 Sonoma Near summit of range, road from Glen Ellen to Oakville. Comment
  JEPS40363  Anisocarpus madioides M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 243 Sonoma near Guerneville; Russian River Comment
  CAS-BOT-BC173823  Anthemis cotula Peter Rubtzoff 1959-9-19 4279 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  RSA796686  Anthemis cotula Peter Rubtzoff 1954-7-27 1566 Sonoma Guernerville Marsh. Comment
  POM261545  Anthoxanthum aristatum Alice Eastwood, J. T. Howell 1936-5-19 2506 Sonoma 2 miles north of Windsor Comment
  RSA63618  Anthoxanthum aristatum Leo Koch 1940-4-12 841 Sonoma Damp meadow north of Windsor on East side of Hwy 101. Comment
  UCD56145  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma along Highway 101, north of Windsor. Comment
  SEINET7296733 Image available Anthoxanthum aristatum Leo Koch 1940-1 841 Sonoma along Highway 101, north of Windsor. Comment
  UCD85350  Anthoxanthum occidentale M. S. Baker; Virginia Bufford 1936-4-1 245 Sonoma Junction Hwy 1 and road up Gualala. Comment
  CAS-BOT-BC137688  Anthoxanthum odoratum Peter Rubtzoff 1960-5-16 4348 Sonoma Duncans Mills Marsh. Borderland of the marsh. Comment
  CAS-BOT-BC137690  Anthoxanthum odoratum Peter Rubtzoff 1960-5-15 4329 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC137691  Anthoxanthum odoratum Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 3 miles east of Stewarts Point. Comment
  CAS-BOT-BC137693  Anthoxanthum odoratum John H. Thomas 1976-6-16 18340 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  JEPS78901  Anthoxanthum odoratum Edward Lee 1936-6-8 2224 Sonoma Bohemian Grove, grounds near entrance Bohemian Grove Comment
  UCD151205  Anthoxanthum odoratum James A. Neilson Jr. 1974-7-10 2819 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  SEINET3918446  Anthoxanthum odoratum Fred W. Hoffman 1941-6-15 2150 Sonoma North Coast Ranges. Eckert Ranch near Salt Point, Sonoma Coast.; 0 Comment
  UCD161271  Anthriscus caucalis James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3700 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  UC26380  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum J. Burtt Davy 1894-12-9 867 Sonoma Kenwood Comment
  CAS-BOT-BC474747  Antirrhinum virga James A. Neilson, Jr. 1974-7-10 2833 Sonoma Mayacmas Mountains. S of Little Geysers 731 Comment
  CAS-BOT-BC237923  Antirrhinum virga Milo S. Baker 1926-1-1 230 a-Local Sonoma Macartney Ranch - Los Gulicos [Guilicos] Val. Comment
  JEPS127941  Aphyllon californicum subsp. californicum Adam C. Schneider with Will Freyman and Songyi Xu 2016-6-27 945 Sonoma Sea Ranch Lodge, west side of CA Hwy 1. North side of Bihler Point on sea bluffs. Comment
  CAS-BOT-BC361282  Apiastrum angustifolium Greg de Nevers 1997-4-16 10934 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  SEINET7067343  Apocynum cannabinum A. G. Vestal 1947-5-16 s.n. Sonoma About 6.7 miles east of Windsor on Porter Creek Road. Coordinate datum: NAD27. UTM Zone 10, 526145mE, 4266921mN. Comment
  SEINET7924427  Apocynum cannabinum A. A. Heller 1902-6-22 5732 Sonoma Santa Rosa. Comment
  UC465565  Aquilegia Milo S. Baker 1903-10-1 Sonoma along grade to Clayton Place Hood Mt. Comment
  UC1299405  Aquilegia eximia Freed W. Hoffman 1946-9-26 583 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  UC725679  Aquilegia formosa A. A. Heller 1940-5-10 15601 Sonoma near Fort Ross Comment
  SEINET12093068  Aquilegia formosa F. H. Utech 1986-1 86 -125 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 200 Comment
  RSA102086  Arbutus menziesii John H. Redfield 1872-8-28 213 Sonoma Geyser Valley Comment
  CAS-BOT-BC56912  Arctostaphylos John Thomas Howell 1934-3-3 11748 Sonoma Between Fort Ross and Stewart's Point Comment
  RSA629222  Arctostaphylos Jon E. Keeley 1993-9-11 24773 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629225  Arctostaphylos Jon E. Keeley 1993-9-11 24796 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC549553  Arctostaphylos J. E. Adams 1934-3-28 719 Sonoma near Santa Rosa; Vine Hill Comment
  UC909870  Arctostaphylos J. E. Adams 1934-3-28 720 Sonoma near Santa Rosa; Vine Hill School Comment
  CAS-BOT-BC24077  Arctostaphylos bakeri Roger Raiche 1983-9-20 30723 Sonoma Graton Road near intersection with Tanuda road (east of Occidental) Comment
  CAS-BOT-BC25324  Arctostaphylos bakeri Walter Knight; Irja Knight; J. Sigg; Elizabeth McClintock 1981-3-25 4030 Sonoma From the Occidental area Comment
  CAS-BOT-BC27177  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10957 Sonoma 2 miles E of Occidental Comment
  CDA11253  Arctostaphylos bakeri G. F. Hrusa, G. L. Stebbins, D. Keil, V. L. Holland 1994-6-5 11876 Sonoma North Coast Biodiversity Arena; Approx. 1 m. N of Camp Meeker on Bohemian Hwy. 0 Comment
  UC1120878  Arctostaphylos bakeri A. E. Wieslander 1936-9-19 706 Sonoma 1 mi nw Occidental; Sebastopol Quadrangle Comment
  UC1281479  Arctostaphylos bakeri H. E. McMinn 1936-4-5 4409 Sonoma two mi n Occidental Comment
  UC549711  Arctostaphylos bakeri J. E. Adams 1935-3-1 1031 Sonoma Occidental Comment
  CDA38594  Arctostaphylos bakeri Jim Jokerst 1989-4-13 3094 Sonoma S side of Graton Rd. 1.2 mi E of junction with Fuscondini Rd., 2 mi E of Occidental, W of Santa Rosa. Comment
  RSA178031  Arctostaphylos bakeri subsp. bakeri R. F. Thorne 1965-4-19 34283 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  RSA70870  Arctostaphylos bakeri subsp. bakeri Alice Eastwood, John Thomas Howell 1939-4-2 7376 Sonoma Near Camp Meeker on road to Monte Rio. Comment
  RSA8489  Arctostaphylos bakeri subsp. bakeri J. T. Howell 1933-4-2 10954 Sonoma 2 miles east of Occidental Comment
  CDA42379  Arctostaphylos canescens D. G. Kelch, D. A. Weinstein 2013-1-5 13 .001 Sonoma 3 km east of Sonoma; On ridge between Lovall Valley and Castle Rds. Comment
  RSA622716  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24764 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC23926  Arctostaphylos canescens subsp. canescens John Thomas Howell 1934-3-3 11748 Sonoma Between Fort Ross and Stwearts Point Comment
  CAS-BOT-BC23975  Arctostaphylos canescens subsp. canescens John Thomas Howell 1934-3-3 11747 Sonoma Between Fort Ross and Stwearts Point Comment
  RSA164627  Arctostaphylos canescens subsp. canescens P. C. Everett 1963-11-21 11807 Sonoma Rincon Ridge, now Robt. Sones' residence, ca. 3 mi. ne. of Sasnta Rosa. 145 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
  CAS-BOT-BC23884  Arctostaphylos canescens subsp. sonomensis R. F. Hoover 1963-1-12 8549 Sonoma Rincon Ridge Comment
  UC1120076  Arctostaphylos canescens subsp. sonomensis A. E. Wieslander 1939-3-18 876 Sonoma s edge Rincon Hills; Santa Rosa Quadrangle 121 Comment
  CAS-BOT-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
  UC549700  Arctostaphylos columbiana J. E. Adams 1934-3-28 732 Sonoma seven mi n Fort Ross Comment
  CAS-BOT-BC23603  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11743 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC24982  Arctostaphylos densiflora Lewis S. Rose 1955-6-2 55062 Sonoma Junction of Vine Hill & School Roads, 10 mi. W of Santa Rosa. Type Locality. 45 Comment
  JEPS98816  Arctostaphylos densiflora James Roof and Walter Knight 1967-3-20 Sonoma a few mi W of Santa Rosa (Clark's Driveway, Box 5980 on Guerneville Road, near int. with Laguna Road) Comment
  JEPS98817  Arctostaphylos densiflora James Roof and Walter Knight 1967-3-20 Sonoma a few mi W of Santa Rosa (Clark's Driveway, Box 5980 on Guerneville Road, near int. with Laguna Road) Comment
  RSA107817  Arctostaphylos densiflora L. S. Rose 1955-2-28 55003 Sonoma Vine Hill, 9 mies W of Santa Rosa Comment
  RSA164632  Arctostaphylos densiflora Percy C. Everett 1963-11-21 24564 Sonoma Vine Hill School Rd., west of Vine Hill School. N of Sebastopol. 76 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
  UC549450  Arctostaphylos densiflora J. E. Adams 1934-3-28 723 Sonoma Vine Hill School Sta. Rosa Comment
  UCSB23053  Arctostaphylos densiflora McMinn, Howard 1936-4-5 Sonoma Just west of Vine Hill School, 16 miles west of Santa Rosa Comment
  CAS-BOT-BC23278  Arctostaphylos glandulosa subsp. cushingiana H. F. Copeland 1933-3-18 A 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa. Comment
  RSA631192  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24733 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA631195  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24734 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24725  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-3-14 5763 Sonoma Raven Ridge near Santa Rosa. Comment
  CAS-BOT-BC46150  Arctostaphylos glandulosa subsp. glandulosa James McMurphy 1909-5-29 s.n Sonoma Grade, ridge south of the Geysers Comment
  JEPS81244  Arctostaphylos glandulosa subsp. glandulosa Edward Lee with W. A. Setchell 1936-6-8 2210 Sonoma North Ridge Fire Trail near junction of Trail 3A; Bohemian Grove Comment
  RSA177920  Arctostaphylos glandulosa subsp. glandulosa R. F. Thorne 1965-4-20 34374 Sonoma 4 mi . up Cavedale Rod., ca. 6 mi. N of sonoma. 457 Comment
  UC1388309  Arctostaphylos glandulosa subsp. glandulosa Freed W. Hoffman 1947-4-3 673 Sonoma near Healdsburg (headwaters of creek, branch of Russian River and Mill Creek); North Coast Ranges, Wild Hog Ridge, Palmer Creek Comment
  CAS-BOT-BC39113  Arctostaphylos hispidula Roger Raiche 1984-2-3 40016 Sonoma Rockpile Road, 9/1 miles north from its intersection and beginning at Skaggs Spring-Stewarts Point Road. 502 Comment
  RSA339413  Arctostaphylos hispidula Roger Raiche 1984-2-26 RR 40044 Sonoma On Rockpile Road ca. 9.1 miles north of origin of Skaggs Springs-Stewarts Point Road 502 Comment
  RSA202105  Arctostaphylos manzanita Freed W. Hoffman 1947-2-27 769 Sonoma Long Mountain Farm, near Guerneville. Comment
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Nov 26 2016
  RSA633057  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27492 Sonoma Highway 116 west of intersection with Occidental Road, west of Sabastopol. 75 Comment
  UCD52043  Arctostaphylos manzanita Daryl Koutnik; Mary Barbercheck 1981-6-18 s.n. Sonoma Austin Creek State Recreation Area about 4 miles north of Guerneville. 487 Comment
  RSA202113  Arctostaphylos manzanita Freed W. Hoffman 768 Sonoma Del Preti Hill, headwaters of Fife Creek, near Guerneville. Comment
  SEINET11990971  Arctostaphylos manzanita Unknown 1983-1 30491 C Sonoma near Manning's Flat Campground, Austin Creek State Rec. Area 122 Comment
  SEINET11991024  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4571 Sonoma The Cedars, near Cazadero 274 Comment
  SEINET11993022  Arctostaphylos manzanita W. Knight, Knight, T. 1985-1 5176 Sonoma Lovers' Leap area of John Joost Ranch on Calistoga Road between St. Helena Rd & Porter Creek Rd Comment
  CAS-BOT-BC38948  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7950 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38922  Arctostaphylos manzanita subsp. glaucescens P. V. Wells; Walter Knight; Irja Knight 1986-1-10 5223 Sonoma Next to Carlton Spridgeon's mailbox on Rockridge Lane, Rincon Ridge, Santa Rosa. Comment
  CAS-BOT-BC38654  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5763 Sonoma Rincon Ridge Comment
  CAS-BOT-BC38710  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 13 Sonoma Vine Hill region on College Avenue highway, near Santa Rosa Comment
  CAS-BOT-BC38716  Arctostaphylos manzanita subsp. manzanita Lewis S. Rose 1955-2-14 55000 Sonoma Forestville 22 Comment
  CAS-BOT-BC38724  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1928-4-18 2961 Sonoma Vine Hill Region Comment
  RSA364362  Arctostaphylos manzanita subsp. manzanita Walter Knight, Irja, Knight Research Associates, Roger Raiche, Steve Edwards, B. K. Knight 1983-7-3 4753 Sonoma The Cedars, near Cazadero, on Twitchell Ranch. 274 Comment
  SBBG28821  Arctostaphylos manzanita subsp. manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 mi W of Santa Rosa Comment
  UC1043527  Arctostaphylos manzanita subsp. manzanita P. C. Everett and E. K. Balls 1954-10-20 20379 Sonoma off Hwy 12 about 2 mi ne Santa Rosa; Rincon Ridge 137 Comment
  UC1388363  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-2-28 758 Sonoma near Healdsburg (creek is branch of Mill Creek); North Coast Ranges, Wild Hog Ridge, headwaters of Palmer Cre Comment
  UC535022  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 9 Sonoma residence of M. S. Baker Mt. Hood (w base of mt.) Comment
  CAS-BOT-BC38678  Arctostaphylos manzanita subsp. manzanita Jacob Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4157 Sonoma From Strybing Arboretum, San Francisco, #78-161. Originally from Hood's Peak in Sonoma County. Comment
  UC549421  Arctostaphylos nummularia J. E. Adams 1934-3-28 741 Sonoma s McNamees Store Comment
  RSA13419  Arctostaphylos patula H. F. Copeland 1933-3-18 A- 13 Sonoma Vine Hill region on College Avenue Highway, near Santa Rosa. Comment
  UC1409193  Arctostaphylos patula C. W. Tilforth and John Dourley 1973-7-18 909 Sonoma Graton Rd 1 mi e Occidental Comment
  CAS-BOT-BC47331  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1963-9-1 259 Sonoma Pine Mt. Rd. NE of Cloverdale. Harold Smith Ranch. Comment
  CAS-BOT-BC47338  Arctostaphylos stanfordiana Roger Raiche 1982-4-10 20301 H Sonoma King Ridge Rd. (4.5 mi. from King Ridge Rd. on Old Layton Mine Rd.), about 0.7 mi. in from King Ridge Rd. on old Layton Comment
  JEPS98851  Arctostaphylos stanfordiana James B. Roof 1963-2-28 Sonoma Mt. St. Helena 868 Comment
  RSA636812  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24752 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636815  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24748 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC549547  Arctostaphylos stanfordiana J. E. Adams 1934-3-10 637 Sonoma Mt. St. Helena Comment
  UC583389  Arctostaphylos stanfordiana Elmer I. Applegate 1924-3-25 8858 Sonoma Pine Flat region Mayacama Mountains (w slope of mts) Comment
  JEPS83499  Arctostaphylos stanfordiana subsp. decumbens Jack and Betty Guggolz 1986-2-22 847 Sonoma Sones-Finley properties Comment
  JEPS95237  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  UCD51008  Arctostaphylos stanfordiana subsp. decumbens Roger Raiche 1982-4-10 20301 C Sonoma King Ridge Rd. (4.5 mi. n. of jct. with Ft. Ross Rd.) about .7 mi. in from King Ridge Rd. on Old Layton Mine Rd. On topo map area is called ' Red Slide', north of Cazadero in Sonoma County. Comment
Read comments
Oct 17 2013
  RSA339402  Arctostaphylos stanfordiana var. repens Roger Raiche 1985-11-23 50895 Sonoma W side of Dry Cr Valley, Bradford Mt 371 Comment
  UCR42304  Arctostaphylos viscida L. F. LaPre 1986-3-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  UC1193017  Arctostaphylos viscida subsp. pulchella P. Zinke 1949-6-14 62 Sonoma divide between Dry Creek and Smith Creek; Quad 61A3 457 Comment
  CAS-BOT-BC47467  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight; Roger Raiche; Stephen W. Edwards 1983-7-3 4750 Sonoma The Cedars; Twitchell Ranch 274 Comment
  UC1388345  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-9-29 502 Sonoma headwaters of creek North Coast Ranges, Main Austin Creek, Layton Mine Comment
  CAS-BOT-BC400486  Aristolochia californica Peter Rubtzoff 1951-9-3 738 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  CAS-BOT-BC400488  Aristolochia californica Peter Rubtzoff 1987-3-15 9756 Sonoma Russian River at Forest Hills, 5.5 mi. east of Guerneville. Off Summerhome Park Road 0.2 mi. from (west of) Forest Hills Road Comment
  UCD98503  Armeria maritima subsp. californica Ross Swenerton 1966-4-16 22 Sonoma On hill overlooking ocean, Duncan's Landing. 15 Comment
  UCR280131  Artemisia douglasiana Peter Rubtzoff 1970-9-3 6371 Sonoma Marsh off west side of Highway 1, 0.7 miles SE of Salmon Creek crossing 30 Comment
  CAS-BOT-BC90492  Artemisia douglasiana Robert M. King 1980-7-8 8414 Sonoma 5 miles generally southwest of Santa Rosa Comment
  UCD129343  Artemisia pycnocephala D. R. Miller; D. S. Horning 1967-1-23 s.n. Sonoma Goat Rock Beach (near Jenner). Comment
  SEINET258297  Artemisia suksdorfii Leila M. Shultz 1986-9-20 10234 Sonoma 1 mile north of Jenner along Pacific Coast Highway 6 Comment
  UC762327  Asarum caudatum Robert F. Hoover 1941-5-14 5100 Sonoma Hills north of Bodega Comment
  CAS-BOT-BC400600  Asarum caudatum Volney Rattan 1877-5-16 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC400601  Asarum caudatum Walter Knight; Irja Knight 1963-11-22 427 Sonoma Ida Clayton Rd Comment
  CAS-BOT-BC400603  Asarum caudatum Peter Rubtzoff 1955-7-31 2016 Sonoma Forestville Marsh. Along the southern margin of the marsh Comment
  SEINET10637049  Asclepias fascicularis A. Arthur Heller 1902-6-4 Heller 5643 Sonoma Santa Rosa Comment
  JEPS128365  Aspidotis californica Roger Raiche 2009-4-30 029 .09 Sonoma The Cedars. Lower Russian River, East Austin Creek watershed. Comment
  UCD67616  Aspidotis densa D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. Open cypress forests (Cupressus sargentii) in serpentine and andesitic rocks. 800 Comment
  CAS-BOT-BC68784  Aspidotis densa Walter Knight; Irja Knight 1963-11-21 416 Sonoma Morelli Lane near county dump. Comment
  UC764626  Astragalus breweri R. F. Hoover 1939-4-18 4038 Sonoma Occidental Comment
  UC1614406  Astragalus clevelandii Charles M. Belshaw 1936-9-18 2671 Sonoma Mt. St. Helena 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-BC186826  Astragalus gambelianus G. DeNevers 1981-4-25 833 Sonoma Lower Pepperwood entrance Comment
  SBBG221  Athyrium filix-femina var. cyclosorum H. and M. Dearing 1939-5-15 3385 Sonoma N of Fort Ross Comment
  UC399376  Athyrium filix-femina var. cyclosorum Michener and Bioletti 1897-7-6 Sonoma Gualala Comment
  UCD114231  Athysanus pusillus Frederica Bowcutt 1996-3-24 2085 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air mile SE of Red Mountain. Along Vista Trail just SW of Headwaters Trailhead. Comment
  SEINET11933972  Atriplex patula W. Knight, Knight, I. 1984-1 5419 Sonoma In flood plain along Petaluma River 3 Comment
  CAS-BOT-BC146136  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa Creek. Comment
  CAS-BOT-BC146138  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa Creek, east of Santa Rosa. Comment
  CAS-BOT-BC146140  Avena barbata Mary P. Wells 1984-5-22 263 Sonoma By Commons B, Friends House, Rincon Valley, Santa Rosa. Comment
  CAS-BOT-BC146141  Avena barbata G. DeNevers 1981-5-9 1018 Sonoma Pepperwood Ranch. By the Red Corral at the McCann Homestead. Comment
  LA11004  Avena barbata Nesta Dunn; 1932-5-15 sn Sonoma Santa Rosa Comment
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Dec 29 2014
  UCD56211  Avena barbata Beecher Crampton 1956-3-12 3222 Sonoma Along U.S. Hwy. 101. Italian-Swiss Colony Winery Grape Vineyards. Asti. Comment
  SEINET10517569  Avena barbata A. Arthur Heller 1902-3-26 Heller 5157 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  SEINET11690141  Avena barbata J. T. Howell, Knight, W.; Knight, I. 1987-1 6231 Sonoma Todd Road Preserve 24 Comment
  CDA36981  Avena fatua 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
  CAS-BOT-BC68344  Azolla filiculoides Peter Rubtzoff 1960-5-29 4424 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  CAS-BOT-BC154997  Baccharis douglasii Peter Rubtzoff 1958-8-23 3915 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC98649  Baccharis douglasii J. W. Congdon 1880-8-2 s.n. Sonoma Santa Rosa Comment
  JEPS40663  Baccharis glutinosa W. L. Jepson 1921-9-12 9481 Sonoma Alexander Valley 45 Comment
  UCR279639  Baccharis glutinosa Peter Rubtzoff 1958-8-23 3918 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  CAS-BOT-BC16692  Barbarea orthoceras A. A. Heller; H. E. Brown 1902-3-20 5106 Sonoma Near Windsor. Comment
  RSA94330  Barbarea orthoceras Peter Rubtzoff 1951-6-9 163 Sonoma Pitkin Marsh, near Forestville; Forest south of the Upper Marsh. Comment
  SBBG57110  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennet Valley, SE of Santa Rosa Comment
  CAS-BOT-BC75670  Berberis nervosa John Thomas Howell 1924-3-22 291 Sonoma Camp Meeker. Comment
  CAS-BOT-BC290651  Bidens laevis Peter Rubtzoff 1963-10-30 5300 Sonoma Bodega Head Marsh. Comment
  JEPS54478  Bidens laevis Rimo Bacigalupi 1967-8-30 9311 Sonoma in central part of upper Pitkin Marsh (just below (s of) confluence of two upper (n) arms, very close to) 45 Comment
  CAS-BOT-BC290573  Bidens laevis Peter Rubtzoff 1963-10-23 5299 Sonoma Pitkin Marsh, near Forestville. Comment
  SEINET5586468  Bidens laevis Peter Rubtzoff 1963-1 5299 Sonoma Pitkin Marsh, near Forestville. Comment
  JEPS81944  Blennosperma bakeri Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8929 Sonoma along Hayes St. just s Bettencourt (southern outskirts of town, at type locality); Sonoma 19 Comment
  RSA128567  Blennosperma nanum Peter H. Raven 1954-2-27 6421 Sonoma Cavedale Road, ca. 3 miles north of Boyes Springs, Sonoma Valley. Comment
  JEPS7752  Blennosperma nanum var. nanum Peter H. Raven 1954-2-27 6421 Sonoma 3 mi n, Cavedale Road Boyes Springs; Sonoma Valley Comment
  UC1299661  Boechera breweri Freed W. Hoffman 1946-8-14 592 Sonoma Rocky Mountain North Coast Ranges 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-BC154976  Boisduvalia densiflora Peter Rubtzoff 1960-9-14 4556 Sonoma Laguna de Santa Rosa area NE of Graton (near Laguna Road). Comment
  CAS-BOT-BC154866  Boisduvalia glabella Peter Rubtzoff 1964-8-26 5473 Sonoma 6.5 miles NE of Penngrove on Lichan Road 426 Comment
  RSA791564  Boisduvalia glabella Peter Rubtzoff 1960-6-25 4515 Sonoma Sonoma County Marshes: Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville Roads. Comment
  RSA0057963  Boykinia elata Greg de Nevers 1997-9-22 11090 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction. 100 Comment
  UC73117  Boykinia occidentalis Miss C. B. Churchill 1901-7-14 Sonoma creek above Macartney's; creek above Macartney's Comment
  SEINET259062 Image available Brachypodium phoenicoides P. G. Connors 1991-6-5 128 Sonoma Sonoma Coast State Beach; North of Bodega Bay in Salmon Creek Dunes; within State Park boundary. Comment
  UC1299277  Brickellia californica Freed W. Hoffman 1946-8-16 786 Sonoma 1 mi below Guerneville (gravel bar along Russian River, North Coast Ranges); North Coast Ranges, Russian River Comment
  UCD151112  Briza maxima James A. Neilson Jr. 1974-6-1 2939 Sonoma Mayacmas Mountains, Mercuryville, The Geysers Road. (Elevation estimated by label maker using Google Earth.) 822 Comment
  CAS-BOT-BC145485  Briza maxima David L. Morgan 1956-5-23 s.n. Sonoma Hill Road, 2 miles southwest of junction with Highway #1. Comment
  CDA32955  Briza maxima D. Barbe & P. Hiatt 1979-5-1 Sonoma South of Asti; on Asti Road, 0.45 mile south of Washington School Road. 0 Comment
  RSA41901  Briza minor Ella Dales Cantelow 1936-5-9 1367 Sonoma 3 mi. S. of El Verano Comment
  UCD151072  Brodiaea californica James A. Neilson Jr. 1974-6-1 2884 Sonoma Mayacmas Mountains, Geyser Rock area, ca. 3 1/2 mi. west of Whispering Pines, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  SEINET12049904  Brodiaea californica subsp. leptandra Unknown 1985-1 50553 Sonoma W side of Dry Cr. Valley, W of town of Dry Creek, unnamed ridge N of Crane Creek & S of Bradford Mt. 162 Comment
  CAS-BOT-BC140074  Brodiaea californica var. leptandra Roger Raiche 1985-6-22 RR 50553 Sonoma West side of Dry Cr Valley and west of town site of Dry Creek, unnamed ridge north of Crane Cr and south of Bradford Mt. 161 Comment
  CAS-BOT-BC484388  Brodiaea elegans subsp. elegans James McMurphy 1909-5-28 s.n. Sonoma 1 mile west of Santa Rosa Comment
  CAS-BOT-BC484390  Brodiaea elegans subsp. elegans Peter Rubtzoff; H. A. Froebe 1971-5-30 6461 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road 0.9 miles west of Arnold Drive Comment
  CAS-BOT-BC484391  Brodiaea elegans subsp. elegans D. E. Breedlove 1980-6-27 44744 Sonoma Pepperwood Ranch west of Knights Valley Comment
  CAS-BOT-BC484393  Brodiaea elegans subsp. elegans Roxana S. Ferris; Laura Lorraine 1961-6-14 13528 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  CAS-BOT-BC484400  Brodiaea elegans subsp. elegans Peter Rubtzoff 1958-7-5 3731 Sonoma Atascadero Creek Marsh Comment
  UC1442870  Brodiaea leptandra Theodore F. Niehaus 1966-5-4 679 Sonoma 2.6 mi w Napa/Sonoma Co. line (on Springs Mtn Rd) Comment
  UCD163100  Brodiaea stellaris Robert E. Preston 2014-5-17 2963 Sonoma 4.5 mi NNW of Cazadero. 190 Comment
  UCD139140  Brodiaea terrestris Mary M. Hektner; Cathy Hendel 1974-6-28 82 -A Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UC1300937  Brodiaea terrestris subsp. terrestris Helen K. Sharsmith 1963-5-25 5474 Sonoma Two Rock to Tomales road (w edge of Sonoma County); San Francisco Region 91 Comment
  CAS-BOT-BC486465  Brodiaea terrestris subsp. terrestris Peter Rubtzoff; Rimo Bacigalupi 1971-6-10 6528 Sonoma South side of W. Railroad Ave. between Fwy. 101 and Stony Point Rd. Comment
  CAS-BOT-BC487726  Brodiaea terrestris subsp. terrestris Milo S. Baker 1927-5-20 2148 a Sonoma S. R. Sebasapol Hiway where concrete begins - [- - - -] south (poor handwriting) Comment
  CAS-BOT-BC487728  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1962-6-1 4871 Sonoma Freestone Marsh Comment
  CAS-BOT-BC311835  Bromus Peter Rubtzoff 1971-5-30 6458 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC149492  Bromus arvensis Greg de Nevers 1987-6-1 8188 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 400 Comment
  UCD58161  Bromus carinatus Lewis S. Rose 1962-4-18 62024 Sonoma 1 mi. NW of Freestone. 76 Comment
  UCD58245  Bromus carinatus G. L. Stebbins Jr.; W. S. Boyle 1942-5-12 3231 Sonoma 2.8 miles north of Occidental. On road to Monte Rio. Comment
  UCD58258  Bromus carinatus Collector unknown 1941-6-1 Sonoma Santa Rosa. Veteran's Park. Comment
  UC1131045  Bromus carinatus var. carinatus H. S. Yates 1937-5-3 6566 Sonoma 1 1/2 mi ne of Petrified Forest 335 Comment
  UCD160977  Bromus carinatus var. marginatus James A. Neilson Jr. 1975-7-8 3305 Sonoma Mayacmas Mountains. Socrates Mine. (Elevation and coordinates estimated by label maker.) 914 Comment
  UCD60211  Bromus catharticus var. elatus Beecher Crampton 1957-7-11 4326 Sonoma Sonoma Coast State Park, along state Hwy. 1, 0.9 miles north of Salmon Creek. Comment
  JEPS71167  Bromus diandrus Virginia Bufford 1932-9-23 575 Sonoma 4 mi sw of Santa Rosa Comment
  CAS-BOT-BC311801  Bromus hordeaceus Peter Rubtzoff 1958-7-5 3732 Sonoma Atascadero Creek Marsh. Comment
  UCD58689  Bromus hordeaceus Beecher Crampton 1956-3-13 3226 Sonoma Asti. Comment
  CAS-BOT-BC155215  Bromus hordeaceus Walter Knight; Irja Knight; J. T. Howell 1987-5-27 6275 Sonoma Dodd Road Preserve. 24 Comment
  UCD58807  Bromus hordeaceus Collector unknown 1941-3-1 Sonoma Santa Rosa. Doyle Park. Comment
  UCD58820  Bromus hordeaceus var. leptostachys Gerry North 1993-4 24 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At first pullout on right after Pony Gate Gulch Creek by hig rock. 304 Comment
  UCD58951  Bromus laevipes Gerry North 1993-4 20 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Second pullout on right after park entrance. 0.3 miles from Goodspeed trailhead. 50 m south of Pony Gate Gulch Creek crossing. 274 Comment
  UC903721  Bromus madritensis subsp. rubens Milo S. Baker 1947-5-7 11724 Sonoma Hood Mountain, near Grant Line Hood Mountain 228 Comment
  RSA126879  Bromus marginatus H. S. Yates 1937-5-31 6566 Sonoma 1 1/2 miles northeast of Petrified Forest. 335 Comment
  UC121247  Bromus secalinus H. S. Nichols June 1890 Sonoma Healdsburg Comment
  UCSC000307  Cakile maritima H. S. Yates 1936-5-17 5630 Sonoma 2 miles N. of Bodega Bay - Duncan Mills 3 Comment
  CAS-BOT-BC352221  Calamagrostis Peter Rubtzoff; Nancy Harrison 1978-6-11 9217 Sonoma Cunningham Marsh area, along northern tributary of Blucher Creek, ca. 1 air mile WSW of Cunningham Station. Comment
  UCR254896  Calamagrostis Peter Rubtzoff 1971-6-10 6537 Sonoma Pitkin Marsh, near Forestville 38 Comment
  CAS-BOT-BC185401  Calamagrostis bolanderi Mary P. Wells 1985-10-4 665 Sonoma Road to almost-pygmy forest. The Sea Ranch (now property of Travelers Insurance). Comment
  CAS-BOT-BC185403  Calamagrostis bolanderi Mary P. Wells 1981-8-2 s.n. Sonoma Hedgegate Road, The Sea Ranch. Comment
  UC1779151  Calamagrostis bolanderi Barbara L. Wilson, Sami Gray 1997-7-31 8900 Sonoma Sea Ranch; Big Tree loop trail, which originates between unites [sic] 27A and 29A off Timber Ridge Road, off Deerfield Loop, off Hwy 1 170 Comment
  UCD37161  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma Sonoma County, Sonoma Coast State Park, 8.7 miles south of Stewart's Point. Comment
  UC1023583  Calamagrostis koelerioides unknown 1936-5-4 208 Sonoma Monte Rio Comment
  UC768850  Calamagrostis koelerioides R. F. Hoover 1941-5-14 5090 Sonoma 2 mi s Monte Rio (toward Camp Meeker) Comment
  UCD57243  Calamagrostis koelerioides Roxana S. Ferris; Laura Lorraine 1961-6-15 13563 Sonoma 1.3 miles from junction with Green Valley Road, Harrison Grade. Comment
  RSA126853  Calamagrostis nutkaensis H. S. Yates 1937-5-30 6559 Sonoma two miles northeast of Freestone. 122 Comment
  UCD57519  Calamagrostis nutkaensis Beecher Crampton 1957-7-11 4318 Sonoma just south of Salmon Creek, along State Hwy. 1. Comment
  SD56676  Calamagrostis nutkaensis D. F. Howe 1953-7-3 3582 Sonoma 19 miles north of junction with #12 on #1 Comment
  UC1153822  Calamagrostis ophitidis Beecher Crampton 1957-5-16 4039 Sonoma Hot Springs road 3 mi sw Cloverdale Comment
  RSA0065162  Calandrinia breweri Greg de Nevers 1997-4-24 10970 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC438609  Calandrinia ciliata A. A. Heller; H. E. Brown 1902-4-9 5234 Sonoma Three miles South of Healdsburg Comment
  CAS-BOT-BC438607  Calandrinia ciliata Peter Rubtzoff 1952-3-23 885 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west. Comment
  CAS-BOT-BC273248  Calendula arvensis John Thomas Howell 1946-3-31 21591 Sonoma Just east of Sonoma Comment
  CAS-BOT-BC273246  Calendula arvensis John Thomas Howell 1954-4-1 29138 Sonoma Along highway just east of Shellville Comment
  CAS-BOT-BC167304  California macrophylla J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma Comment
  UCR249037  Callitriche Peter Rubtzoff 1972-6-29 6814 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC290675  Callitriche Peter Rubtzoff 1969-5-16 6050 Sonoma Guerneville Marsh, eastern part of the marsh in Pocket Canyon. Comment
  NY248789  Callitriche heterophylla J. T. Howell 1935-5-5 12608 Sonoma Near Kenwood. Comment
  JEPS128202  Calochortus amabilis Roger Raiche 2000-5-4 066 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC496432  Calochortus amabilis Merle Randall 1930-6-11 Sonoma 2 mi from Cazadero (Christopher Ranch) 304 Comment
  UCD111677  Calochortus amabilis Christopher Mallek 2007-5-13 HC1- 8 Sonoma Hooker Canyon. 590 Comment
  UCD112401  Calochortus amabilis Christopher Mallek 2008-5-2 HC1- 8 Sonoma Hooker Canyon. 590 Comment
  UCD151097  Calochortus amabilis James A. Neilson Jr. 1973-6-3 3431 Sonoma Mayacmas Mountains. The Geysers. Site I. In Geyser Canyon. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC483285  Calochortus amabilis D. E. Breedlove 1962-6-6 2895 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  RSA13439  Calochortus amabilis H. E. Parks, S. T. Parks 1930-5-9 605 Sonoma Alexander Valley. Comment
  SEINET4152157  Calochortus amabilis H. E. Parks, S. T. Parks 1930-5-9 0605 Sonoma Alexander Valley, at edge of valley Comment
  JEPS61685  Calochortus luteus W. L. Jepson 1918-6-23 7656 Sonoma Windsor Poor Man's Flat Comment
  UC119757  Calochortus luteus Michener and Bioletti May 1893 Sonoma Los Guilicos Comment
  UC3414  Calochortus luteus Ivan Tidestrom 1895-6-3 Sonoma Comment
  JEPS82298  Calochortus raichei Roger Raiche 1983-6-19 30413 Sonoma n of Cazadero (above middle fork of Red Slide Creek); The Cedars 457 Comment
  JEPS128210  Calochortus tolmiei Roger Raiche 2000-5-5 090 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UC3483  Calochortus uniflorus F. T. Bioletti Sonoma Comment
  UCD129722  Calycadenia multiglandulosa Gerald D. Carr 1971-7-7 577 Sonoma junction of Facienda Lane and Occidental Road. Comment
  CAS-BOT-BC272755  Calycadenia truncata subsp. truncata Walter Knight; Irja Knight 1963-9-15 293 Sonoma Los Alamos Rd., Santa Rosa Comment
  SEINET5626851 Image available Calycanthus Unknown 1893-1 1103 (C.W. Fallass). Sonoma Hoods Peak Comment
  CAS-BOT-BC90988  Calycanthus occidentalis Peter Rubtzoff 1952-6-10 1237 Sonoma Northeast slopes of Fitch Mountain, near Healdsburg. Comment
  CAS-BOT-BC91016  Calycanthus occidentalis Catherine Best 1981-6-5 s.n. Sonoma Bohemian Highway 3 miles north of Occidental. Comment
  SD134013  Calycanthus occidentalis Greg de Nevers 1987-5-11 8180 Sonoma Pepperwood Rach Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 99 Comment
  UC1536225  Calycanthus occidentalis William Stone 1987-5-25 Sonoma 3 mi e Guerneville (Russian River, Odd Fellows Recreation Club Park) Comment
  UC192556  Calycanthus occidentalis Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  UCR218740  Calycanthus occidentalis George K. Helmkamp, E. A. Helmkamp 2010-6-4 16228 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-BC91010  Calycanthus occidentalis A. T. Graff 1925-6-7 s.n. Sonoma Trospers. Comment
  CAS-BOT-BC223620  Calystegia collina subsp. oxyphylla R. K. Brummitt; A. Wolf; R. W. Howe 1998-5-15 19859 Sonoma 18 km ENE of Healdsburg, on Ida Clayton Road 4 km above Rte. 128 650 Comment
  UCR178425  Calystegia occidentalis subsp. occidentalis Frederica Bowcutt 1996-5-24 2163 Sonoma Sugarloaf Ridge State Park, c. 50 air mi N of San Francisco and c. 10 air mi east of Santa Rosa; 2.5 air mi NE of Kenwood; c. 18 air mi NW of Napa. C. 1.2 air miles south of Red Mountain. Adobe Canyon just NW of Sonoma/Rattlesnake Creek confluence 366 Comment
  UCR198236  Calystegia purpurata Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .272 Sonoma Cavesdale Road 518 Comment
  UC1794982  Calystegia purpurata subsp. saxicola R. K. Brummitt 1997-6-10 19682 Sonoma 1 km S of SERENO DEL MAR, just S of Schoolhouse Beach 15 Comment
Read comments
Mar 15 2013
  JEPS128289  Calystegia subacaulis Roger Raiche 2008-5-18 005 .08 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC879463  Calystegia subacaulis subsp. subacaulis Lewis S. Rose 1941-5-22 41251 Sonoma Rincon Ridge, 4 mi E of Santa Rosa. Comment
  UC1134551  Camassia quamash E. Armstrong 1934-4-22 1196 Sonoma 1 mi ne of Occidental 91 Comment
  CAS-BOT-BC498782  Camassia quamash subsp. linearis Peter Rubtzoff 1952-5-10 1030 Sonoma Lower part of the Upper Marsh; The Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC498784  Camassia quamash subsp. linearis H. C. Cantelow 1940-4-20 3888 Sonoma N of Fork Ross, Hwy 1 Comment
  RSA186557  Camissonia micrantha Peter H. Raven 1963-4-28 18245 Sonoma between town of Bodega and Bodega Head. Comment
  CAS-BOT-BC266427  Campanula californica Peter Rubtzoff 1951-6-30 299 Sonoma The Pitkin Marsh, near Forestville. W branch of the Upper Marsh Comment
  CHSC79974  Campanula californica Melissa Brooks; Colette Beaupre 2000-7-20 Sonoma Near Sea Ranch, Ca on Gualala Redwoods, Inc. property, in portion of German Rancho. MDB and M. 60 Comment
  SEINET10463895  Campanula californica Parks 1925-7-20 PARKS s.n. Sonoma STEWART'S POINT Comment
  SEINET10463922  Campanula californica Rowntree 1931-7-15 ROWNTREE s.n. Sonoma SKYP SPRINGS ROAD Comment
  SEINET10463124  Campanula prenanthoides Michener 1892-7-4 MICHENER s.n. Sonoma SHAGG'S SPRINGS Comment
  CHSC10119  Capsella bursa-pastoris S. N. Wiemeyer 1962-4-20 28 Sonoma 3/4 mile east of County Hospital along Chanate Rd. 121 Comment
  UCD114128  Capsella bursa-pastoris Mary M. Hektner 1975-6-24 212 Sonoma in the University of California, Davis experimental competition plots next to the Sea Ranch Association Office; Unit 18-A Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC37764  Cardamine californica Alice Eastwood 1922-3-25 11098 Sonoma Calistoga. Comment
  UCD114191  Cardamine californica G. F. Hrusa; R. Gross 1996-3-8 12657 Sonoma on N-facing slope above lower Foote Creek. Foote Ranch at corner of Ida Clayton Road and Highway 128. 200 Comment
  UCD114498  Cardamine californica R. H. Miller 1949-4-6 24 Sonoma 5 miles southeast of Monte Rio, on Highway 12. Comment
  UCD114179  Cardamine californica Frederica Bowcutt; Kate Mawdsley 1996-3-24 2089 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 Knewood, and 18 air miles NW of Napa. About 1.5 air miles W of Mount Saint John, along Brushy Peaks Trail just S of Malm Fork of Sonoma Creek. 426 Comment
  JEPS53391  Cardamine californica var. integrifolia J. Burtt Davy 1896-3-13 1644 Sonoma Duncan's Mills Comment
  RSA143726  Cardamine californica var. integrifolia A. A. Heller, H. E. Brown 1902-3-14 5056 Sonoma Near Santa Rosa Comment
  RSA177977  Cardamine californica var. integrifolia R. F. Thorne 1965-4-19 34303 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC38038  Cardamine oligosperma Mary P. Wells 1989-3-28 976 Sonoma By cement path to Friends House from 637 Bambi Lane, Rincon Valley, Santa Rosa. Comment
  UC72002  Cardamine oligosperma Milo S. Baker 1898-3-26 697 Sonoma Santa Rosa , hills near McDonald's Reservoir (hills near McDonald's Reservoir) Comment
  CAS-BOT-BC38031  Cardamine oligosperma Peter Rubtzoff 1959-6-20 4160 Sonoma Willow Creek Marsh. Bank of Willow Creek. Comment
  JEPS128332  Cardamine pachystigma var. dissectifolia Roger Raiche 2010-3-28 012 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC251241  Cardionema ramosissimum Peter Rubtzoff 1960-5-18 4369 Sonoma Bodega Head Marsh. Comment
  SEINET11843447  Carduus pycnocephalus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -160 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 120 Comment
  CDA37138  Carduus tenuiflorus Chris Heintzelman 2012-4-13 PDR# 1596520 Sonoma East side of Sunset Rock in Goat Rock State Park, 2 miles south of Jenner. 0 Comment
  RSA74051  Carex Milo S. Baker 1947-6-26 11830 Sonoma Cunningham Marsh, ca 1 mile SW of Cunningham Sta. (air line) Comment
  UC963926  Carex Milo S. Baker 1947-6-26 11830 Sonoma ca. 1 mi (airline) sw Cunningham Station (Cunningham Marsh) Comment
  UCD161859  Carex James A. Neilson Jr. 1973-6-6 s.n. 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-BC422340  Carex Peter Rubtzoff; Betty Lovell 1975-8-11 8313 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC18143  Carex athrostachya Peter Rubtzoff 1958-7-5 3734 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC320571  Carex athrostachya Peter Rubtzoff 1974-6-2 7507 Sonoma Upper Green Valley Marsh. Comment
  UCD112447  Carex athrostachya Peter Rubtzoff 1958-5-17 3667 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC350809  Carex barbarae Peter Rubtzoff 1955-5-21 1873 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC371452  Carex barbarae Peter Rubtzoff 1953-5-16 1360 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC371454  Carex barbarae Peter Rubtzoff 1958-4-26 3606 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UC1017  Carex barbarae H. N. Bolander Apr 1864 3866 Sonoma Russian River Comment
  CAS-BOT-BC19374  Carex barbarae John Kipping 1973-8-8 s.n. Sonoma Dry Creek Road, 12 miles from Healdsburg on road to Stewart Point. Comment
  CAS-BOT-BC310302  Carex barbarae Peter Rubtzoff 1971-8-9 s.n. Sonoma Laguna Lake area, Cileno Valley. Comment
  RSA0023068  Carex barbarae Peter Rubtzoff 1958-5-3 3623 Sonoma Atascadero Creek Marsh. Comment
  SEINET7551510 Image available Carex barbarae Don Pendleton 1993-5-29 5297 Sonoma Westside Road, Russian River Valley, ca. 5 miles SW of Healdsburg. Comment
  CAS-BOT-BC19568  Carex bolanderi Roxana S. Ferris; Laura Lorraine 1961-6-14 13539 Sonoma Joy Road grade, 1.8 mile from junction with Bodgea Highway. Comment
  CAS-BOT-BC34425  Carex cusickii John Thomas Howell; J. W. Stacey 1936-7-26 12683 Sonoma Pitkin Marsh. 5 miles north of Sebastopol. Comment
  CAS-BOT-BC20487  Carex densa Peter Rubtzoff 1952-5-31 1106 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC20490  Carex densa John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53974 Sonoma Fairfield Osborn Preserve of the Nature Conservancy. 4.5 miles northeast of Penngrove on the west slope of Sonoma Mt. 457 Comment
  CAS-BOT-BC246555  Carex densa Peter Rubtzoff 1958-5-3 3621 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC249290  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Guerneville Marsh 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
  RSA212189  Carex dudleyi L. S. Rose 1939-5-14 39117 Sonoma Bodega. 30 Comment
  CAS-BOT-BC290571  Carex echinata subsp. phyllomanica Peter Rubtzoff; Bacigalupi; Chuang; Heckard 1971-6-10 6536 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC290555  Carex exsiccata Peter Rubtzoff 1955-9-9 2115 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC20136  Carex feta James D. Jokerst 1985-4-26 2273 Sonoma Near Caldwell Ranch. Comment
  UCD140314  Carex feta M. Wiesendanger 1927-5-5 720 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC28330  Carex gracilior Henry Nicholas Bolander 1866-3-1 4635 Sonoma Petaluma. Comment
  CAS-BOT-BC28360  Carex gracilior Peter Rubtzoff 1951-6-9 179 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC28366  Carex gracilior Peter Rubtzoff 1954-7-5 1543 Sonoma Guerneville Marsh. Comment
  UCD112362  Carex gracilior Peter Rubtzoff 1954-6-20 1500 Sonoma Guerneville Marsh. Comment
  UCR248728  Carex gracilior Peter Rubtzoff 1959-4-18 4029 Sonoma Laguna de Santa Rosa, NE of Graton, c. 0.5 mi north of Guerneville Rd. crossing 21 Comment
  UCR253014  Carex gynodynama Peter Rubtzoff 1964-6-3 5348 Sonoma Bodega Bay Marsh 15 Comment
  CAS-BOT-BC146602  Carex gynodynama Alice Eastwood; John Thomas Howell; J. W. Stacey 1937-5-31 4495 Sonoma 2 miles south of Gualala River, Sonoma coast Comment
  RSA0023075  Carex gynodynama Peter Rubtzoff 1959-5-31 4085 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC21905  Carex harfordii Peter Rubtzoff 1957-5-4 3306 Sonoma Duncan Mills Marsh. At the border of the upper portion of the marsh. Comment
  CAS-BOT-BC320573  Carex harfordii Peter Rubtzoff 1962-6-1 4861 Sonoma Freestone Marsh. Comment
  RSA0022358  Carex harfordii Peter Rubtzoff 1964-5-20 5320 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC31429  Carex leptopoda Lewis S. Rose 1964-6-3 64051 Sonoma N end of Bodega Bay swamp. 1 Comment
  UCD140482  Carex leptopoda Roxana S. Ferris; Laura Lorraine 1961-6-14 13539 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway. Comment
  UCD140485  Carex leptopoda Lewis S. Rose 1964-6-3 64051 Sonoma north end of Bodega Bay. 1 Comment
  UCR249048  Carex leptopoda Peter Rubtzoff 1954-6-19 1495 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC146626  Carex mendocinensis Alice Eastwood; John Thomas Howell; J. W. Stacey 1937-5-31 4494 Sonoma 2 miles south of Gualala River, Sonoma coast Comment
  HSC100958  Carex multicaulis Peter Warner, Sarah Gordon 2011-5-16 197 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), Fern Trail along lower to mid-Mill Creek. 273 Comment
  UC70453  Carex nudata Jos. Burtt Davy Jul 1896 Sonoma below Guerneville (along Russian River) Comment
  UC931974  Carex nudata Verne Grant and Alva Grant 1947-5-4 7950 Sonoma 2 mi N of Kenwood (Sonoma Creek 1 mi E of Sonoma-Santa Rosa highway) Comment
  CAS-BOT-BC310304  Carex obnupta Peter Rubtzoff 1964-7-29 s.n. Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC119249  Carex pachystachya Lewis Samuel Rose 1962-6-1 62065 Sonoma Freestone Comment
  CAS-BOT-BC312706  Carex rostrata Peter Rubtzoff 1971-7-20 s.n. Sonoma Pitkin Marsh. 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
  RSA0020343  Carex simulata Peter Rubtzoff 1976-5-30 8561 Sonoma Kenwood Marsh. Comment
  UCR248925  Carex subbracteata Peter Rubtzoff 1955-5-14 1842 Sonoma Austin Creek Marsh 15 Comment
  UCD140870  Carex subbracteata P. G. Connors 1991-4-11 103 Sonoma Bodega Head and Dunes. Beside Lab road. BMR 0730N, 4200E Comment
  CAS-BOT-BC116786  Carex subbracteata var. subbracteata Peter Rubtzoff s.n. Sonoma Pitkin Marsh, near Forestville. Eastern branch of the upper marsh. Comment
  CAS-BOT-BC116788  Carex subbracteata var. subbracteata Catherine Best 1985-5-15 1086 Sonoma Bodega Head. Comment
  UC1123  Carex tumulicola H. N. Bolander Apr. 1864 3821 Sonoma Mark West Creek Comment
  UCR248871  Carex tumulicola Peter Rubtzoff 1959-4-18 4035 Sonoma Laguna de Santa Rosa, NE of Graton, c. 0.5 mi north of Guerneville Rd. crossing 21 Comment
  UCR248922  Carex tumulicola Peter Rubtzoff 1957-5-26 3359 Sonoma Occidental Marsh Comment
  UCR250031  Carex tumulicola Peter Rubtzoff 1957-5-26 3368 Sonoma Duncan Mills Marsh 2 Comment
  UCD140928  Carex tumulicola Botany 102 Students 1993-5-8 292 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-BC281920  Carthamus lanatus Greg de Nevers 1992-7-22 10223 Sonoma Sonoma Mountain, Lichau Rd, Fairfield-Osborn Preserve 243 Comment
  HSC26187  Carthamus leucocaulos William J. Ferlatte 1972-6-22 1392 Sonoma 1 mile W of Asti Comment
  OBI68597  Carthamus leucocaulos T. C. Fuller 1978-8-17 20253 Sonoma along the inner face of dam at edge of water cutting action, 1.6 km (1mi) W of fwy exit, hwy 101, Asti Comment
  POM15980  Castilleja affinis A. A. Heller, H. E. Brown 1902-4-11 5261 Sonoma Bodega Bay Comment
  JEPS19388  Castilleja affinis subsp. affinis G. Thomas Robbins 1940-3-24 309 Sonoma about 6 mi e Santa Rosa (on Rincon Grade); Rincon Grade 167 Comment
  JEPS66220  Castilleja ambigua subsp. ambigua T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6901 Sonoma Pitkin Marsh Comment
  POM179718  Castilleja ambigua subsp. ambigua J. T. Howell 1930-6-8 5293 Sonoma 4 miles north of Bodega Bay. Comment
  POM179763  Castilleja ambigua subsp. ambigua J. T. Howell 1930-6-8 5226 Sonoma Bodega Road, 4 miles east of Valley Ford. Comment
  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
  UC1537454  Castilleja densiflora subsp. densiflora Gordon H. True Jr. 1938-4-13 860 Sonoma between Sonoma and Black Point Comment
  UC535060  Castilleja densiflora subsp. densiflora H. E. and S. T. Parks 1930-5-7 632 Sonoma n end Knight's Valley 106 Comment
  SEINET12331446  Castilleja foliolosa F. H. Utech 1986-1 86 -104 Sonoma ca 3 mi NE on Cavedale Road from junction with CA 12 250 Comment
  UCD122506  Castilleja foliolosa G. E. Kerley 1966-4-3 66- 19 Sonoma Trinity Road, 7.3 miles southwest of Oakville. 304 Comment
  CAS-BOT-BC243848  Castilleja latifolia Peter Rubtzoff 1952-6-10 1242 Sonoma Resort at east base of Fitch Mtn., near Healdsburg Comment
  CHSC1708  Castilleja subinclusa subsp. franciscana 1947-3-31 Sonoma Bodega. 60 Comment
  UC353922  Castilleja subinclusa subsp. franciscana Milo S. Baker 1928-3-24 2721 a Sonoma 5 mi w Healdsburg (Martin Ranch) Comment
  CAS-BOT-BC39436  Caulanthus lasiophyllus John Thomas Howell 1930-6-8 5283 Sonoma 8.5 miles north of the Bodega Bay. Overlooking the ocean. Comment
  UCR255652  Caulanthus lasiophyllus Greg de Nevers 1997-4-24 10959 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC48508  Ceanothus confusus Walter Knight 1963-4-28 s.n. Sonoma Head of Adobe Canyon, south part of Hoods Peak Comment
  CAS-BOT-BC48519  Ceanothus confusus John Thomas Howell 1933-4-2 10937 Sonoma Mt. Hood, Sonoma Creek Canyon Comment
  JEPS83712  Ceanothus confusus R. Raiche 1988-3-28 80020 Sonoma e Guerneville (e end of Gilder Ridge and just w of Wohler Bridge); Mt. Jackson area Comment
  RSA21896  Ceanothus confusus J. T. Howell 1937-4-11 12903 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  RSA21905  Ceanothus confusus J. T. Howell 1935-5-5 12613 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  SBBG119963  Ceanothus confusus A. Howald 2007-4-2 2456 Sonoma Goodspeed Trail just below highest pt of trail, E of Peirson Rd, ca. 0.6 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 310 Comment
  SBBG122268  Ceanothus confusus D. O. Burge 2007-4-10 833 b Sonoma Goodspeed Trail, near jct of Bear Crk and Sonoma Crk, SE flank of Mount Hood 200 Comment
  UC80039  Ceanothus confusus Alice Eastwood 1893-4-27 Sonoma Hood Mountain Comment
  CAS-BOT-BC49152  Ceanothus cuneatus John Thomas Howell 1934-3-26 11794 Sonoma Knight's Valley Comment
  CAS-BOT-BC49198  Ceanothus cuneatus Walter Knight; Irja Knight 1963-8-23 190 Sonoma Joost Ranch, Calistoga Rd. Comment
  CAS-BOT-BC49697  Ceanothus cuneatus var. ramulosus G. DeNevers 1981-4-30 895 Sonoma W side of Leslie Creek, 100 m above confluence with mark West Creek Comment
  CDA11330  Ceanothus divergens G. F. Hrusa 1995-4-2 12040 Sonoma North Coast Biodiversity Arena; Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  POM136262  Ceanothus divergens A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC64424  Ceanothus foliosus Walter Knight; Irja Knight 1963-8-23 191 Sonoma Josh Ranch, Calistoga Rd. Comment
  RSA25702  Ceanothus foliosus Carl B. Wolf 1941-7-17 11021 Sonoma N coast range, Trinity Mt. 1/8 miles W of summit of grade 610 Comment
  SEINET13945879 Image available Ceanothus foliosus A. E. Wieslander 1938-1 860 Sonoma 3 miles E of Mt. St. Helena, T9N R7W. Alt 1500 ft Comment
  UC727740  Ceanothus foliosus var. vineatus Milo S. Baker 1946-4-29 11355 Sonoma along College Ave. Hwy. Vine Hill Region Comment
  UCD112131  Ceanothus foliosus var. vineatus Roman Gankin; W. R. Hildreth 1967-10-3 1071 Sonoma Vine Hill School Road, 1/2 mile east of Vine Hill Road. Comment
  CAS-BOT-BC49997  Ceanothus gloriosus Milo S. Baker 1935-4-1 8026 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50004  Ceanothus gloriosus John Thomas Howell 1935-5-5 12614 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50013  Ceanothus gloriosus John Thomas Howell 1937-4-11 12907 Sonoma M.S. Baker place, SW slope of Mt. Hood Comment
  CAS-BOT-BC32736  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-3-14 5781 Sonoma Vine Hill District, 10 miles W of Santa Rosa Comment
  CAS-BOT-BC49951  Ceanothus gloriosus var. exaltatus Roman Gankin 1966-3-3 694 Sonoma east of Occidental Ridge on Graton Road, ca. 2.5 miles east of Occidental Comment
  JEPS19405  Ceanothus gloriosus var. exaltatus G. Thomas Robbins 1940-3-22 300 Sonoma about 8.5 mi W of Santa Rosa (along Guernville Road) 45 Comment
  UC1299551  Ceanothus gloriosus var. exaltatus Freed W. Hoffman 1947-4-15 661 Sonoma In marine sediments, near Sebastopol Comment
  UC70430  Ceanothus gloriosus var. exaltatus Milo S. Baker 1898-4-2 24 Sonoma near Guerneville. Comment
  UC870564  Ceanothus gloriosus var. exaltatus Leo Koch 1938-5-26 165 Sonoma transplanted from Vine Hill near type locality Santa Rosa (Junior College). Comment
  UC912383  Ceanothus gloriosus var. exaltatus Herbert L. Mason 1931-3-7 5801 Sonoma Vine Hill School, 12 miles west of Santa Rosa. Comment
  CAS-BOT-BC49944  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6692 Sonoma Two miles north of Sebastopol Comment
  CAS-BOT-BC63738  Ceanothus griseus Carl B. Wolf 1941-7-30 11109 Sonoma Along coast, 3 mi. n. Jenner. Comment
  CAS-BOT-BC50642  Ceanothus jepsonii John Thomas Howell 1933-4-2 10959 Sonoma 2 miles e. of Occidental Comment
  CAS-BOT-BC51116  Ceanothus jepsonii Walter Knight; Irja Knight 1963-12-27 454 Sonoma Pine Flat Rd. - Circle 8 Ranch Comment
  UCD112063  Ceanothus jepsonii Roger Raiche 1985-4-6 RR 50182 Sonoma Dry Cr area nr Healdsburg, ridge w of Dry Cr Vly, unnamed rd n of Dorman Cyn on ridge. 243 Comment
  SEINET13945966 Image available Ceanothus jepsonii Lewis S. Rose 1955-1 55030 Sonoma 2 mi NE of Occidental, alt 700 ft 213 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
  CHSC93632  Ceanothus jepsonii var. albiflorus C. L. Schmidt 1987-2-27 1141 Sonoma Dorman Canyon Road, across small canyon from Bradford Mtn. ca. 10 miles NE of Healdsburg. 180 Comment
  SEINET12210770  Ceanothus jepsonii var. jepsonii B. A. Stein 1981-1 448 Sonoma Summit of Harrison Grade Road, east of Occidental 244 Comment
  CAS-BOT-BC51891  Ceanothus parryi A. A. Heller; H. E. Brown 1902-5-29 5620 Sonoma Mt. Hood Comment
  UC634610  Ceanothus parryi Rimo Bacigalupi 1926-5-2 1396 Sonoma Cazadero Comment
  LA44884  Ceanothus parryi Henry Reents; 1936-4-4 sn Sonoma Along Rutherford Rd., 2 mi. E. of Glen Ellen Comment
  UCD112485  Ceanothus parryi Collector unknown Date unknown s.n. Sonoma S.W. part of county. Comment
  CAS-BOT-BC53047  Ceanothus sonomensis A. A. Heller 1902-6-26 5765 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  SBBG26768  Ceanothus sonomensis J. T. Howell 1935-5-5 Sonoma Triniti Mtn 2 mi NE of Glen Ellen Comment
  SBBG34155  Ceanothus sonomensis R. Gankin 1966-3-3 689 Sonoma Hooker Cyn, below Cavedale Rd, 3.1 mi E of jct with St Hwy 12 Comment
  UC1071290  Ceanothus sonomensis J. B. Spring, R. W. Lundh 1932-7-19 104 Sonoma 7/8 mi NW of Los Alamos School 579 Comment
  UC1299588  Ceanothus sonomensis Freed W. Hoffman 1947-3-12 754 Sonoma Trinity road, northeast of Kenwood, Napa Range, west slope Comment
  SBBG4507  Ceanothus sonomensis M. Van Rensselaer 1941-4-27 1638 Sonoma Mt Hood Range, between Valley of the Moon and Napa Valley on Trinity Rd just above rock quarry Comment
  UC1071400  Ceanothus thyrsiflorus E. Armstrong 1934-3-26 951 Sonoma Camp Meeker Sebastopol quad 121 Comment
  CAS-BOT-BC52399  Ceanothus velutinus Walter Knight; Irja Knight 1963-12-27 468 Sonoma Summit. Pine Flat Rd. Comment
  UC1071493  Ceanothus velutinus H. S. Yates 1934-4-21 3816 Sonoma near Guerneville; Duncans Mills Quad. Comment
  UCR25335  Centaurium muehlenbergii John C. Roos 1957-7-3 6652 Sonoma North Coast Ranges, Healdsburg 33 Comment
  JEPS20838  Centaurium muehlenbergii Harry K. Roberts 1958-7-8 Sonoma 0.1 mi e junction of the Sebastopol and Occidental roads (and extending w toward Sebastopol for 1.2 mi on the lower half of the borrow pit on the s side of the Sebastopol-Santa Rosa highway) Comment
  CAS-BOT-BC157673  Centromadia Peter Rubtzoff; Nancy Harrison 1977-8-26 9118 Sonoma False Lake Meadow area, Annadel State Park. Comment
  JEPS38160  Centromadia fitchii W. L. Jepson 9433 a Sonoma Alexander Valley Comment
  UC952861  Centromadia pungens subsp. pungens Milo S. Baker 1951-11-1 12386 Sonoma near Kenwood (in a field at Maplewood); Maplewood Comment
  CAS-BOT-BC251307  Cerastium Peter Rubtzoff 1967-8-28 s.n. Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC251309  Cerastium Peter Rubtzoff 1960-5-18 s.n. Sonoma Bodega Head Marsh Comment
  JEPS86810  Cerastium arvense Jack and Betty Guggolz 1991-4-26 1119 Sonoma between Hwy. 1 and ocean just s. of s. end of Meyers Grade Rd. 182 Comment
  UC676724  Cerastium arvense Roxana S. Ferris 1940-3-21 9840 Sonoma ca. 1/2 mi. n. Fort Ross (on State Hwy. #1) Comment
  CAS-BOT-BC400226  Ceratophyllum demersum Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC400228  Ceratophyllum demersum Peter Rubtzoff 1956-9-15 2908 Sonoma Atascadero Creek Marsh Comment
  UCD162158  Cercocarpus betuloides D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1512 Sonoma Hooker Creek watershed. 450 Comment
  CAS-BOT-BC135422  Cercocarpus betuloides var. betuloides John Thomas Howell 1937-7-4 13074 Sonoma Near Petrified Forest Comment
  JEPS26636  Chamaemelum fuscatum R. Bacigalupi 1948-4-4 2870 Sonoma ca 2 mi s of Asti (along U.S. 101) Comment
  CAS-BOT-BC279785  Chamaemelum fuscatum Thomas Nelson; James Nelson 1975-3-25 1751 Sonoma Asti Comment
  CDA7378  Chamaemelum fuscatum G. D. Barbe 1974-4-29 1781 Sonoma 1 mile south of Washington School Road on Asti Road, Asti. 0 Comment
  UCD167959  Chamaesyce maculata James Neilson 1981-7-16 4051 Sonoma Mayacmas Mountains. Big Sulphur Cr. At bridge crossing road to Cloverdale. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC166026  Chamerion angustifolium subsp. circumvagum Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  UC1481824  Cheilanthes covillei Milo Baker 1902-4 4 a Sonoma Hood Mt Comment
  CAS-BOT-BC173553  Chenopodium Peter Rubtzoff 1969-11-2 6209 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA783839  Chenopodium Peter Rubtzoff 1971-7-23 6617 Sonoma Laguna, Chileno Valley. Comment
  RSA783840  Chenopodium Peter Rubtzoff 1971-8-9 6638 Sonoma Laguna, Chileno Valley. Comment
  SEINET5763969 Image available Chenopodium ambrosioides H. S. Reed 1948-1 2025 Sonoma Sonoma Creek, near Kenwood Comment
  CDA3034  Chenopodium berlandieri var. zschackei Peter Rubtzoff 1956-9-14 2879 Sonoma Vacation Beach, near Guerneville. 0 Comment
  SEINET11933366  Chenopodium berlandieri var. zschackei W. Knight, Knight, I.; Edwards, S. W. 1984-1 5042 Sonoma Willow Creek between Denman Flat and Corona Road near Petaluma Comment
  CAS-BOT-BC499256  Chlorogalum pomeridianum Peter Rubtzoff 1958-7-19 3765 Sonoma Sonoma County Marshes, Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC499258  Chlorogalum pomeridianum C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  JEPS51212  Chlorogalum pomeridianum var. pomeridianum Glen Keator 1967-6-26 SN 3 Sonoma 1/2 mi e Occidental Comment
  CAS-BOT-BC191510  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-8-6 62077 Sonoma Bodega Point 30 Comment
  CAS-BOT-BC191511  Chorizanthe cuspidata var. villosa W. P. Vestal; A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head Comment
  RSA107053  Chorizanthe cuspidata var. villosa L. S. Rose 1956-7-16 s.n. Sonoma Bodega Point. 9 Comment
  SEINET7883461 Image available Chrysanthemum segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  UC22852  Cicendia quadrangularis F. T. Bioletti 1892-5-15 Sonoma Comment
  CAS-BOT-BC290570  Cirsium Peter Rubtzoff 1964-5-20 5313 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC173837  Cirsium arvense Peter Rubtzoff 1955-8-13 2049 Sonoma Willow Creek Marsh. Comment
  SEINET11845328  Cirsium douglasii W. Knight, Knight, I.; Knight, T.; Edwards, S. W. 1985-1 6358 Sonoma Pine Flat Road 305 Comment
  UCD130616  Cirsium douglasii var. douglasii P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC280005  Cirsium douglasii var. douglasii Alice Eastwood; John Thomas Howell 1937-5-31 4504 Sonoma 6 miles north of Bodega Bay Comment
  CDA1485  Cirsium occidentale var. venustum T. C. Fuller 1958-5-24 4004 Sonoma 1.5 mi. N of Camp Meeker. 0 Comment
  UCD158724  Cirsium occidentale var. venustum Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 1.5 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. Elevation estimated by label maker. 822 Comment
  JEPS77264  Cirsium occidentale var. venustum Robert M. Lloyd 1963-4-24 2401 Sonoma 18.3 mi e State Highway 12 (on road to Oakdale) 243 Comment
  CAS-BOT-BC280532  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  RSA0070859  Cirsium quercetorum J. T. Howell 1938-7-3 13953 Sonoma Stony Point. Comment
  CAS-BOT-BC285752  Cirsium remotifolium John Thomas Howell 1937-7-4 13070 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC285754  Cirsium remotifolium Marcus E. Jones 1882-7-18 3385 Sonoma Duncan's Mills Comment
  UCD158719  Cirsium vulgare James A. Neilson Jr. 1974-7-31 3025 Sonoma Mayacmas Mountains. Roadside, near Little Geysers. 822 Comment
  CAS-BOT-BC169774  Cistanthe quadripetala Maxine Wilkes 1940-5-1 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC162607  Clarkia W. R. Dudley 1893-9-9 s.n. Sonoma Russian River Comment
  CAS-BOT-BC162609  Clarkia Peter Rubtzoff 1969-8-14 6138 Sonoma East-facing slope of Salmon Creek Canyon ca. 1/2 mi. upstream from Hwy. #1 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
  UC20293  Clarkia amoena Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UC422846  Clarkia amoena Milo S. Baker 1904-6-20 Sonoma Sonoma Creek Canyon Comment
  SEINET7042574  Clarkia amoena A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  UCD104021  Clarkia amoena Frederica Bowcutt; Joy Keeney, Adam Greene 1994-5-21 1810 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, about 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood and about 18 air miles NW of Napa. Along meadow trail appx. 3/4 mile from trailhead. 396 Comment
  UC107827  Clarkia amoena subsp. amoena Katharine Brandegee 1905-6-26 Sonoma Bodega Bay Comment
  UC112987  Clarkia amoena subsp. amoena Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  UC167080  Clarkia amoena subsp. amoena Marcus E. Jones, A. M. 1881-7-1 Sonoma Duncan's Mills Comment
  UC423074  Clarkia amoena subsp. amoena Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  RSA108395  Clarkia amoena subsp. amoena Harlan Lewis, M. Lewis 1947-6-15 436 Sonoma Highway 1, Bodega Bay at west road to Doran Park Comment
  RSA458845  Clarkia amoena subsp. amoena Unspecified 1941-6-20 s.n. Sonoma Between Santa Rosa and Ukiah, Highway 101 Comment
  UC1181828  Clarkia amoena subsp. huntiana H. Lewis and M. Lewis 1951-7-10 866 Sonoma 4.0 mi w Mark West Springs Comment
  CAS-BOT-BC172208  Clarkia concinna C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  UCD158780  Clarkia concinna James A. Neilson Jr. 1974-6-1 2776 Sonoma Mayacmas Mountains, Geyser Rock, west of Whispering Pines, in the vicinity of the boundary line of Sonoma and Lake Counties. (Elevation estimated by label maker using Google Earth.) 1118 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
  UC400139  Clarkia concinna subsp. concinna Ynez Mexia 1929-6-2 2394 Sonoma near Mark West Springs Comment
  UCR218635  Clarkia concinna subsp. concinna George K. Helmkamp, E. A. Helmkamp 2010-6-4 16206 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-BC172093  Clarkia davyi John H. Thomas 1976-6-15 18318 Sonoma Southern end of the Sea Ranch, northwester part of county, about 7 miles south of Gualala 30 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
  CAS-BOT-BC163135  Clarkia gracilis subsp. sonomensis Joseph P. Tracy 1944-7-3 17484 Sonoma Trinity River Valley, at Willow Creek 152 Comment
  UC76446  Clarkia gracilis subsp. sonomensis Miss M. Alice King May 1897 Sonoma near Healdsburg Comment
  RSA32025  Clarkia gracilis subsp. sonomensis A. A. Heller 1941-6-4 16162 Sonoma Several miles east of Santa Rosa on the road to Sonoma Comment
  UC373497  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 19 Sonoma 1/2 mi s of road to Glen Ellen (Sonoma to Santa Rosa Highway) 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
  LA87839  Clarkia imbricata H. Lewis; M. Lewis 1951-7-10 865 Sonoma 6230 Vine Hill Rd, between Santa Rosa and Guerneville Comment
  POM171644  Clarkia purpurea subsp. quadrivulnera Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  SBBG4989  Clarkia purpurea subsp. quadrivulnera H. and M. Dearing 1939-5-3 3274 Sonoma Pope Valley near St Helena Comment
  UC424794  Clarkia purpurea subsp. quadrivulnera unknown 1930-6-6 4166 C Sonoma between Wake Robin Lodge and Brunner Comment
  CAS-BOT-BC172355  Clarkia purpurea subsp. viminea J. W. Congdon 1880-6-5 s.n. Sonoma Petaluma Comment
  JEPS28104  Claytonia exigua subsp. exigua Roxana S. Ferris 1962-4-14 13585 Sonoma ca .12 mi beyond Sonoma County dump Comment
  UC1299361  Claytonia gypsophiloides Freed W. Hoffman 1947-3-5 811 Sonoma near Guerneville (Gilliam Creek); North Coast Ranges, Gilliam Creek Comment
  UC144455  Claytonia gypsophiloides A. A. Heller 1903-4-23 Sonoma Fort Ross Comment
  CAS-BOT-BC94382  Claytonia gypsophiloides R. C. Wenk 2000-5-14 60 Sonoma along Calistoga Road, at intersection with Cleland Road, 0.45 miles S of intersection with St. Helena Road, Comment
  RSA712417  Claytonia gypsophiloides K. L. Chambers 1977-3-29 4252 Sonoma Cloverdale to Booneville rd. (Hwy. 128) 3.7 mi. NW of junction with Hwy. 101 near Cloverdale. Gravelly serpentine roadbank. Comment
  JEPS117129  Claytonia perfoliata Peter Warner 2010-3-29 122 Sonoma 1670 Bloomfield Road, approx. 3 km S of center Sebastopol Comment
  UCD160878  Clematis lasiantha James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3257 Sonoma Mayacmas Mountains, ca. 1/2 mile south of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SEINET12091841  Clematis lasiantha F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -101 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  CAS-BOT-BC92748  Clematis ligusticifolia Peter Rubtzoff 1962-9-16 5087 Sonoma Vacation Beach, 1.5 mile below Guerneville. Along Russian River. Comment
  CAS-BOT-BC92754  Clematis ligusticifolia John I. Carlson 1917-7-23 s.n. Sonoma Preston. Comment
  UCD124941  Clinopodium douglasii Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-4 120 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CDA11954  Clintonia andrewsiana G. F. Hrusa 1990-6-5 8111 Sonoma North Coast Biodiversity Arena; on Stewart's Point Rd., near Wheatfield Fk. Gualala R. crossing, approx. 3 m W of Stewart's point. Comment
  SEINET12329976  Collinsia heterophylla F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -206 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 440 Comment
  UCD123569  Collinsia heterophylla Frederica Bowcutt 1994-5-21 1830 Sonoma Sugarloaf Ridge State Park. About 40 air miles north of San Francisco, 11 air miles east of Santa Rosa, 18 air miles northwest of Napa, 1.5 air miles northeast of Kenwood. Along the Hillside Trail, 1/4 mile past Sugar Pine Trail junction. 396 Comment
  OBI49261  Collinsia sparsiflora Michener & Bioletti, Bioletti April 1893 s.n. Sonoma Kenwood Comment
  POM14838  Collinsia sparsiflora var. arvensis A. A. Heller 1903-4-23 6601 Sonoma Fort Ross. From type locality. Comment
  UC76208  Collinsia sparsiflora var. arvensis Milo S. Baker 1898-4-2 Sonoma near Santa Rosa Comment
  RSA41892  Collinsia sparsiflora var. arvensis H. C. Cantelow 1936-4-11 1221 Sonoma Bet. Shellville and Napa. Comment
  UC30212  Collomia heterophylla H. N. Bolander 1864-1 3860 Sonoma bed Russian River Comment
  CAS-BOT-BC288917  Conyza canadensis Walter Knight; Irja Knight 1963-9-29 221 Sonoma Foot of Jefferson St at River in Petaluma Comment
  JEPS64349  Corallorhiza maculata Docia I. Patchett 1917-5-7 Sonoma Cazadero Rd near Williams 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
  RSA0065199  Cordylanthus pilosus subsp. pilosus Greg de Nevers 1997-6-7 11074 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Oak Hill Ranch. 100 Comment
  JEPS83652  Cordylanthus pringlei R. Raiche 1987-6-20 70332 Sonoma N of Cazadero, The Cedars, Red Slide Creek at Rede Slice Falls. 304 Comment
  OBI9577  Cordylanthus tenuis subsp. capillaris Robert F. Hoover 1965-1 Sonoma Comment
  SD260941  Cornus Peter Rubtzoff 1973-8-31 7290 Sonoma Upper Green Valley Marsh, slope of Green Valley Road bank bordering the marsh. Comment
  UC1090394  Coronopus didymus Milo S. Baker May 1957 13095 Sonoma Junior College at Santa Rosa, next to Industrial Arts Building Junior College at Santa Rosa; North Coast Ranges, Junior College at Santa Rosa Comment
  UC1112869  Cotula australis Milo S. Baker 1956-6-10 13094 a Sonoma Near Granero's Garden, Adobe Canyon Comment
  CAS-BOT-BC173671  Cotula coronopifolia Peter Rubtzoff 1959-6-6 4101 Sonoma Willow Creek Marsh. Comment
  SFV8415  Cotula coronopifolia B. Stanfield 1966-5-8 30 Sonoma Sandy flats near beach, 0.5 miles south of Bodega Bay. Comment
  UCD130907  Cotula coronopifolia R. N. Raynor 1939-3-20 s.n. Sonoma Black Paint. Comment
  UCD55334  Crassula aquatica Ellen Dean 2006-6-28 3178 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Edges of Pepperwood Reservoir. 150 Comment
  CAS-BOT-BC427657  Crassula aquatica Peter Rubtzoff 1970-10-3 6406 Sonoma Near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC427659  Crassula aquatica Peter Rubtzoff 1969-6-14 6074 Sonoma 6.5 mi. northeast of Penngrove, on Lichau Road 426 Comment
  CAS-BOT-BC427919  Crassula connata Greg de Nevers 1990-3-26 9657 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. 457 Comment
  CHSC59106  Crassula solieri Reid Moran; Chas. Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional National Park, 1 km E of Glen Ellen (Rt. 12 0.5km S of Arnold Drive). 110 Comment
  RSA155431  Crataegus suksdorfii L. S. Rose 1962-6-1 62066 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  UCD148420  Crepis Peter Rubtzoff 1960-6-7 4450 Sonoma Austin Creek Marsh. Comment
  UCD116890  Crocanthemum scoparium Charles B. Heiser Jr. 1946-5-19 1744 Sonoma Vine Hill, W of Santa Rosa Comment
  CDA4478  Crupina vulgaris G. D. Barbe, Willa May Lowary, T. C. Fuller 1976-7-7 2185 Sonoma West of Matanzas Creek, southeast of Bennett Valley golf course, Santa Rosa. 0 Comment
  CAS-BOT-BC376307  Cryptantha Greg de Nevers 1992-5-24 10155 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Turtle Pond. 475 Comment
  SEINET7067261  Cryptantha clevelandii A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  UC24673  Cryptantha flaccida Bolander 6541 Sonoma Russian River Bed Cloverdale Comment
  UC78074  Cryptantha leiocarpa Katharine Brandegee 1905-1 Sonoma Bodega Head Comment
  UC280368  Cryptantha torreyana Milo S. Baker 1898-4-23 620 Sonoma Santa Rosa Creek Canyon Comment
  RSA17622  Cupressus macnabiana C. B. Wolf, E. R. Johnson 1934-10-18 6198 Sonoma Head of Hooker Canyon, 4.7 miles east of Sonoma - Kenwood Road. 549 Comment
  RSA178043  Cupressus macnabiana Robert F. Thorne 1965-4-20 34367 Sonoma Head of Hooker Canyon on Cavedale Road, north of Sonoma 610 Comment
  UC66  Cupressus macnabiana W. H. Brewer 1861-11-9 863 Sonoma near the Little Geysers Comment
  UCD110844  Cupressus macnabiana Christopher Mallek 2008-1 s.n. Sonoma Hooker Canyon. 590 Comment
  UCD133535  Cupressus macnabiana Jo Ann Olson; Gary R. Robbins 1969-3-1 9 Sonoma On Cavedale Road, 1 mile southwest of Mt. Veeder. 609 Comment
  CAS-BOT-BC85469  Cupressus sargentii Elmer Ivan Applegate 1934-3-25 8859 Sonoma Pine Flat region, west slope of the Mayacama mts. Comment
  CAS-BOT-BC85470  Cupressus sargentii C. Best 1987-5-2 s.n. Sonoma Harrison Grade Road. 2 miles north of Occidental Comment
  RSA17610  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-13 6183 Sonoma 2.8 miles from Camp Meeker on road to Monte Rio 61 Comment
  SEINET3840824  Cupressus sargentii Unknown 2006-6-24 6 .323 Sonoma On serpentine along Harrison Grade 168 Comment
  NY16823  Cupressus sargentii C. B. Wolf 1934-10-13 6183 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCR255870  Cuscuta Greg de Nevers 1996-11-10 10891 Sonoma Just north of Hwy 37, opposite Port Sonoma, Lower Ranch 1 Comment
  RSA94092  Cuscuta campestris J. T. Howell 1946-8-17 22851 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC190347  Cynodon dactylon Peter Rubtzoff 1951-6-9 175 Sonoma Pitkin Marsh near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC190349  Cynodon dactylon Peter Rubtzoff 1958-7-26 3805 Sonoma Laguna de Santa Rosa east of Sebastapool. Comment
  UCD60093  Cynodon dactylon Mary M. Hektner; Cathy Hendel 1974-7-25 165 Sonoma Near State Highway 1, Sea Ranch. Comment
  CAS-BOT-BC331482  Cynosurus Peter Rubtzoff 1969-8-29 6165 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  CAS-BOT-BC190475  Cynosurus echinatus Roxana S. Ferris; Laura Lorraine 1948-6-9 11663 Sonoma 11 miles from Geyserville on road to Kellogg. Comment
  UC796492  Cynosurus echinatus Roxana S. Ferris and Laura Lorraine 1948-6-9 11663 Sonoma on road to Kellogg 11 mi from Geyserville Comment
  CAS-BOT-BC114772  Cyperus acuminatus Peter Rubtzoff 1987-10-17 9873 Sonoma Russian River ca. 6 miles E of Guerneville. Comment
  UC1100638  Cyperus niger Herbert L. Mason 1946-7-4 12884 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  CAS-BOT-BC113900  Cyperus niger var. capitatus Helen D. Geis 1902-8-1 565 Sonoma Cloverdale. Comment
  CAS-BOT-BC113901  Cyperus niger var. capitatus Harvey Keith Wagnon 1988-7-23 1782 Sonoma Santa Rosa, Spring Lake Park, just S of Montgomery Dr. Santa Rosa Creek Flood Channel. 73 Comment
  CAS-BOT-BC113903  Cyperus niger var. castaneus Peter Rubtzoff 1987-9-27 9857 Sonoma Russian River at Forest Hills, ca. 6 mi E of Guerneville. Comment
  UC1606175  Cyrtomium falcatum Liz Parsons and Wendy Born Dec 1995 Sonoma s slope Hood Mt; Hood Mt Regional Park Comment
  CAS-BOT-BC189802  Dactylis glomerata Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road 6 miles east of Stewarts Point. Comment
  CAS-BOT-BC189804  Dactylis glomerata G. DeNevers 1981-5-23 1252 Sonoma Pepperwood Ranch. Along Franz Valley Road. Comment
  CAS-BOT-BC189849  Dactylis glomerata A. A. Heller 1902-6-7 5657 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC189847  Dactylis glomerata Mary P. Wells 1982-8-21 137 Sonoma Salt Point State Park. Comment
  CAS-BOT-BC445564  Damasonium californicum Peter H. Raven 1963-4-28 18253 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  UC115528  Damasonium californicum unknown May 8 1880-Jun 7 1880 Sonoma near Petaluma Petaluma Comment
  CAS-BOT-BC445562  Damasonium californicum John Thomas Howell 1937-6-6 13012 Sonoma Sebastopol Comment
  CAS-BOT-BC176175  Danthonia californica Peter Rubtzoff 1971-6-5 6508 Sonoma Vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC192282  Danthonia californica H. S. Yates 1937-5-30 6540 Sonoma 1 1/2 miles N. N. E. of Graton Comment
  CAS-BOT-BC192284  Danthonia californica P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar Comment
  CAS-BOT-BC210142  Danthonia californica Peter Rubtzoff 1974-5-18 7414 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  UCD21145  Danthonia californica Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 320 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  UCD60467  Danthonia californica P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified Forest Road. Comment
  UCR280018  Danthonia californica Peter Rubtzoff 1974-5-18 7414 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  SEINET7042681  Danthonia californica A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UCD145304  Danthonia californica John Thomas Howell 1957-6-13 32622 Sonoma bordering Pitkin Marsh. Comment
  UCD60686  Danthonia californica var. americana R. Tofsrud 1941-4-1 27 Sonoma Near Wright School. Comment
  SEINET3926762  Danthonia californica var. americana Beecher Crampton 1962-5-8 6411 Sonoma Located 5 miles south of Geyserville.; 0 Comment
  RSA126595  Danthonia californica var. californica H. S. Yates 1937-5-30 6540 Sonoma 1.5 miles northeast of Graton. 30 Comment
  SEINET7042399  Danthonia californica var. californica A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UCD127412  Daucus pusillus Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-6 129 Sonoma Unit 35A Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD131046  Deinandra corymbosa Mary M. Hektner 1975-8-14 223 Sonoma road cut not far from hedgerow separating Units 28 and 34-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC9019  Delphinium decorum John Thomas Howell 1931-4-18 6416 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC9021  Delphinium decorum M. Hallet 1925-3-2 s.n. Sonoma Graton 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
  RSA264777  Delphinium hesperium Peter Rubtzoff 1974-5-25 7465 Sonoma Hwy 116, 2 miles W of Forestville Road cut (of Hwy 116) in forest Comment
  RSA796265  Delphinium hesperium J. Townsend 1977-5-30 s.n. Sonoma East side Russian River about 2 miles south of Gurneyville. 335 Comment
  SBBG53023  Delphinium hesperium subsp. hesperium M. R. Benedict 1978-4-18 Sonoma Skaggs Springs Rd, 8 mi W of Geyersville 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-BC10093  Delphinium luteum Milo S. Baker 1926-4-14 186 e Sonoma Between Bodega and the Bay Comment
  CAS-BOT-BC33152  Delphinium luteum Amos Arthur Heller; H. E. Brown 1902-4-11 5256 Sonoma Bodega Bay Comment
  POM299321  Delphinium luteum Lester Rowntree 1932-6-12 s.n. Sonoma Near Bay Comment
  CAS-BOT-BC8001  Delphinium nudicaule J. H. Thomas 1955-5-22 5186 Sonoma About 2.7 miles west of Sonoma-Napa County line, about 8 miles northeast of Santa Rosa 365 Comment
  UC1126017  Delphinium nudicaule E. Armstrong 1934-3-26 953 Sonoma 1 mi nw Camp Meeker; Sebastopol Quadrangle 121 Comment
  UC635362  Delphinium nudicaule H. L. Mason 1930-6-1 5643 Sonoma mouth Gualala River Comment
  CAS-BOT-BC8014  Delphinium nudicaule Elsa G. Ruckert 1960-3-23 41 Sonoma Triniti Road, 0.75 mi. from junction of Highway 12 243 Comment
  CAS-BOT-BC9893  Delphinium nudicaule John Thomas Howell 1931-4-18 6427 Sonoma 8 miles N of Bay Comment
  CAS-BOT-BC9896  Delphinium nudicaule Aven Nelson; Ruth Ashton Nelson 1933-5-14 555 Sonoma Kenwood Comment
  CAS-BOT-BC121725  Delphinium patens subsp. patens Gregory Clark de Nevers 1981-5-7 994 Sonoma Pepperwood Preserve, Hansel's Lake Comment
  SEINET7067342  Delphinium variegatum A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor. Coordinate datum: NAD27. UTM Zone 10, 522900mE, 4266529mN. Comment
  CAS-BOT-BC7768  Delphinium variegatum A. A. Heller; H. E. Brown 1902-4-16 5310 Sonoma Fields east of Santa Rosa Comment
  CAS-BOT-BC7763  Delphinium variegatum subsp. variegatum Milo S. Baker 1928-4-10 2987 a Sonoma Bennett Val. Comment
  RSA59844  Delphinium variegatum subsp. variegatum J. Ewan 1935-5-12 9240 Sonoma Los Guilicos, 2 miles N of Kenwood. Comment
  CAS-BOT-BC182746  Dentaria Peter Rubtzoff 1957-5-4 3313 Sonoma Duncans Mills Marsh area Comment
  UCD35509  Deschampsia cespitosa Beecher Crampton 1957-7-22 4383 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  SD56671  Deschampsia cespitosa subsp. beringensis Darley F. Howe 1963-7-3 3587 Sonoma 20 miles north of junction with #12 on # 1. Comment
  CAS-BOT-BC192610  Deschampsia cespitosa subsp. holciformis J. W. Congdon 1892-5-30 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC192611  Deschampsia cespitosa subsp. holciformis David D. Keck 1944-7-12 5514 Sonoma 1 mile S. of bridge across mouth of Russian River Comment
  CAS-BOT-BC192613  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1951-6-2 95 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC201648  Deschampsia danthonioides John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54681 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC210169  Deschampsia danthonioides Peter Rubtzoff 1971-6-5 6510 Sonoma Vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  RSA784393  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6084 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  UCD62545  Deschampsia danthonioides A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3575 Sonoma Corner of Wright Road and Rt. 12 in outskirts of Santa Rosa. Comment
  CAS-BOT-BC201646  Deschampsia danthonioides G. DeNevers 1981-5-14 1155 Sonoma Top of Horse Hill near the Water Tank Comment
  CAS-BOT-BC201950  Deschampsia elongata Greg de Nevers 1992-6-16 10174 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 304 Comment
  CAS-BOT-BC201967  Deschampsia elongata Peter Rubtzoff 1962-6-23 4960 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC201969  Deschampsia elongata Peter Rubtzoff 1962-5-25 4836 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road Comment
  CAS-BOT-BC227656  Deschampsia elongata Peter Rubtzoff 1964-6-24 5373 Sonoma Lower Salmon Creek Marsh. Comment
  UCD63238  Deschampsia elongata Peter Rubtzoff 1962-5-25 4836 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  UCD63718  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3555 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC502217  Dichelostemma capitatum A. A. Heller; H. E. Brown 1902-3-17 5087 Sonoma Hills 8 miiles northeast of Santa Rosa Comment
  CAS-BOT-BC502219  Dichelostemma capitatum F. G. Kraus 1894-5-1 s.n. Sonoma Mountains near Calistoga Comment
  CAS-BOT-BC502221  Dichelostemma capitatum Volney Rattan 1903-1-1 s.n. Sonoma UPCRR Comment
  SEINET10965901  Dichelostemma capitatum A. Arthur Heller, H. E. Brown 1902-3-14 Heller 5065 Sonoma Near Windsor Comment
  CHSC57543  Dichelostemma capitatum subsp. capitatum Shelly A. Kirn 1991-3-28 1 Sonoma Ca. 50 yds e of Hwy 101, 0.5 mi n of Cloverdale. 97 Comment
  JEPS128284  Dichelostemma capitatum subsp. capitatum Roger Raiche 2005-4-22 010 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD166874  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2016-3-26 3042 Sonoma Mayacamas Mountains, along Pine Flat Road, at Rob Roy Flat. 618 Comment
  RSA788365  Digitaria Peter Rubtzoff 1965-9-5 5637 Sonoma Forest hills (5.5 mi E of Guerneville). Comment
  SEINET13682823  Diplacus aurantiacus M. J. Williams 1968-4-6 s.n. Sonoma Trinity Grade. 213 Comment
  CAS-BOT-BC151972  Diplacus douglasii D. E. Breedlove 1983-4-11 58688 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC151378  Diplacus tricolor Peter Rubtzoff; H. A. Froebe 1971-5-30 6482 Sonoma 4.25 mi. west of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC151376  Diplacus tricolor L. R. Abrams 1918-4-27 6901 Sonoma Santa Rosa Comment
  UCR280143  Dipsacus sativus Peter Rubtzoff 1971-9-1 6677 Sonoma Spring Creek Reservoir area, east of Santa Rosa 87 Comment
  UCD148325  Dipsacus sativus Peter Rubtzoff 1954-7-27 1570 Sonoma Guerneville Marsh. Comment
  UC72487  Disporum hookeri Milo S. Baker 1898-4-2 Sonoma road between Forestville and Guerneville Comment
  CAS-BOT-BC331484  Distichlis Peter Rubtzoff 1970-5-30 6234 Sonoma 5 miles north of Sears Point. Comment
  RSA0022417  Distichlis Peter Rubtzoff 1971-8-23 6644 Sonoma Stony Point Road, just S of Hwy 116. Comment
  UCR248899  Distichlis spicata Peter Rubtzoff 1970-5-30 6234 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  SEINET10564424  Distichlis spicata var. stricta George B. Van Schaack 1957-9-5 Van Schaack 3609 Sonoma In soft sand of salt marsh. Thick stand with Salicornia spp. Bodega Bay. Comment
  JEPS76927  Dodecatheon hendersonii Robert M. Lloyd 1963-2-24 2051 Sonoma 3 mi ne Forestville (on road to US 101) Comment
  UC890656  Downingia concolor var. concolor Alice Eastwood 1921-4-24 10327 Sonoma Santa Rosa Comment
  UCD84092  Downingia concolor var. concolor Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. Vernal Pool. 37 Comment
  JEPS29142  Downingia concolor var. concolor John H. Weiler 1961-4-30 6197 Sonoma 1.2 mi w Schellville railroad station (along State Highway 37) Comment
  RSA181927  Downingia concolor var. concolor John Weiler 1960-4-22 60101 Sonoma State Hwy 12; 1.7 miles N of the turn to the Sonoma State Home or 3.0 miles N of Agua Caliente. Comment
  CAS-BOT-BC154158  Downingia cuspidata Peter Rubtzoff; Tim Tunison; Nancy Harrison 1976-6-5 8581 Sonoma False Lake Meadow area, Annadel State Park. Comment
  LA208036  Drymocallis glandulosa John Thomas Howell; 1930-6-8 5289 Sonoma 8.5 mi. N of Bodega Bay Comment
  CAS-BOT-BC159463  Drymocallis glandulosa var. glandulosa John Thomas Howell 1930-6-8 5255 Sonoma Rocky slope, 1 mile east of Bodega Bay Comment
  CAS-BOT-BC159461  Drymocallis glandulosa var. glandulosa Milo S. Baker 1931-5-22 5213 Sonoma Bennett Val. Road, just south of summit, between Santa Rosa and Glen Ellen Comment
  CAS-BOT-BC71025  Dryopteris arguta G. DeNevers 1981-5-23 1307 Sonoma Devils Kitchen Hill Comment
  UCD101882  Dudleya cymosa Frederica Bowcutt 1994-6-12 1877 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 Adobe Canyon Road, on road cut. 396 Comment
  UC499854  Dudleya farinosa Roxana S. Ferris 1932-5-27 8260 Sonoma n end Bodega Bay (bluffs) Comment
  UCD101915  Dudleya farinosa Frederica Bowcutt 1984-6-23 422 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles E of Fort Bragg along the Sonoma County coast. Immed. N of Gerstle Cove. W of Hwy 1. 15 Comment
  UCD164337  Echinochloa Peter Rubtzoff 1976-8-29 8834 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD61074  Echinochloa muricata P. B. Kennedy 1925-8-4 Sonoma Petaluma. Comment
  UC1535349  Ehrharta calycina Valerie Gizinski 1987-6-2 Sonoma Bodega Dune State Park Comment
  UCD61213  Ehrharta erecta P. G. Connors 1992-5-12 252 Sonoma Near Salmon Creek (Miwok Rd.). Comment
  CAS-BOT-BC261656  Eleocharis Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7801 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC274413  Eleocharis Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7849 Sonoma Kenwood Marsh. Comment
  UCD164997  Eleocharis Peter Rubtzoff; Nancy Harrison 1974-9-7 7881 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  CDA13127  Eleocharis acicularis G. F. Hrusa, R. Gross 1996-6-3 13062 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
  UCD49786  Eleocharis macrostachya Mary M. Hektner; Sue Dakizaku and Cathy Hendel 1974-6-28 82 Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1, Sonoma County, California. Comment
  CAS-BOT-BC112206  Eleocharis radicans Peter Rubtzoff 1961-8-25 4722 Sonoma Forest Hills, east of Guerneville. Open, wet margin of Russian River. Comment
  CAS-BOT-BC112208  Eleocharis radicans Milo S. Baker 1939-6-1 9486 Sonoma Brookside Garden Comment
  CAS-BOT-BC113673  Eleocharis tenuis var. tenuis Sturgeon 1956-7-3 s.n. Sonoma Near Occidental (Sturgeon's Mill ?) Comment
  OBI35896  Elymus elymoides David J. Keil 1983-6-30 17211 Sonoma Stillwater Cove Regional Park Comment
  UCD124006  Elymus elymoides subsp. californicus Frederica Bowcutt 1994-6-24 1878 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa.Trailhead for Lower Bald Mountain trail off of Stern Trail. 377 Comment
  CAS-BOT-BC203716  Elymus glaucus subsp. glaucus Greg de Nevers 1990-5-16 9669 A Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. North of the big rocks near the Red Corral 457 Comment
  CAS-BOT-BC203718  Elymus glaucus subsp. glaucus D. E. Breedlove 1980-6-28 44789 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC204307  Elymus trachycaulus subsp. trachycaulus G. DeNevers 1981-6-6 1454 Sonoma Pepperwood Ranch. At first Pepperwood entrance Comment
  CAS-BOT-BC268060  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1693 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC262974  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-7-29 1607 Sonoma Guerneville Marsh. Comment
  UCR248959  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5339 Sonoma Bodega Bay Marsh 15 Comment
  UC1042502  Epilobium densiflorum Peter Rubtzoff 1951-8-4 576 Sonoma open area between Upper Marsh and Lower Marsh (near Forestville); Pitkin Marsh Comment
  POM256111  Epilobium hallianum Keith Wagnon 1940-1 MSB- 9587 Sonoma Perry s Marsh, 2 miles north of Sebastopol on highway (Gravenstein opposite Bennett s Nursery). Comment
  SEINET12194282  Epilobium minutum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -243 Sonoma end of Stoetz Road 200 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
  UCD165107  Equisetum Peter Rubtzoff 1973-9-8 7302 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC57129  Equisetum X ferrissii Peter Rubtzoff 1951-6-10 191 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC57209  Equisetum hyemale subsp. affine Peter Rubtzoff 1952-5-31 1104 Sonoma Western branch of the Upper Marsh Comment
  RSA0045168  Equisetum hyemale subsp. affine Greg de Nevers 1993-5-16 10447 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Along Franz Creek east of 3865 Franz Valley Rd. 91 Comment
  CAS-BOT-BC57211  Equisetum hyemale subsp. affine John Thomas Howell 1931-9-26 8088 Sonoma Creek bottom at Northwood near Monte Rio on the Russian River Comment
  RSA784475  Equisetum laevigatum Peter Rubtzoff 1961-8-26 4725 Sonoma Vacation Beach, near Guerneville. Banks of Russian River. Comment
  CAS-BOT-BC57644  Equisetum telmateia John H. Thomas 1976-6-16 18293 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC57651  Equisetum telmateia Peter Rubtzoff 1957-4-28 3288 Sonoma Duncans Mills Marsh Comment
  UCD135595  Equisetum telmateia subsp. braunii Frederica Bowcutt 1997-7-18 2180 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain, West Bear Ck. 365 Comment
  UCR248774  Eragrostis Peter Rubtzoff 1965-8-16 5602 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  RSA796174  Eragrostis cilianensis Peter Rubtzoff 1958-8-30 3930 Sonoma Vacation Beach, near Guerneville. Open, wet banks of Russian River. Comment
  CAS-BOT-BC204642  Eragrostis mexicana subsp. virescens David L. Morgan 1960-6-22 s.n. Sonoma Watkins Ranch, 1/2 mi. NW of Penngrove on Redwood Highway Comment
  CAS-BOT-BC284043  Eragrostis minor Peter Rubtzoff 1958-8-30 3931 Sonoma Vacation Beach 1.5 mile below Guerneville, bank of Russian River Comment
  UCD64541  Eragrostis pectinacea Keith Wagnon 1940-6-24 269 Sonoma Burbank Gardens, Santa Rosa. Comment
  CAS-BOT-BC164663  Erechtites minimus Peter Rubtzoff 1954-8-13 1706 Sonoma Bodega Head Marsh. Comment
  RSA169314  Eremocarpus setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 miles NE of Penngrove. 427 Comment
  RSA518745  Eremocarpus setiger Barbara Ertter 1988-11-5 8033 Sonoma Lake Sonoma 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  CAS-BOT-BC131610  Ericameria arborescens Walter Knight; Irja Knight 1963-8-23 194 Sonoma Joost Ranch, Calistoga Rd. Comment
  CAS-BOT-BC376240  Erigeron Greg de Nevers 1992-9-1 10248 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  CAS-BOT-BC293622  Erigeron biolettii Marcus E. Jones 1882-7-17 3620 Sonoma Duncan's [Duncans] Mills Comment
  CAS-BOT-BC293624  Erigeron biolettii Walter Knight; Irja Knight 1963-10-27 411 Sonoma Spring Mt. Road Comment
  UC130592  Erigeron biolettii H. M. Hall 1909-6-25 8518 Sonoma Guernewood Park Comment
  UCD159441  Erigeron canadensis D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 198 Sonoma Roadside population along road leading to Bodega Marine Labs. Abundant. 7 Comment
  UCD131901  Erigeron foliosus var. hartwegii Ann F. Johnson 1979-7-2 s.n. Sonoma Bodega Dunes State Park. Comment
  CAS-BOT-BC295126  Erigeron glaucus John H. Thomas 1976-6-15 18308 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC308832  Erigeron glaucus Marcus E. Jones 1882-7-17 3622 Sonoma Duncan's Mills Comment
  SD40124  Erigeron glaucus Edith A. Purer 1932-7-24 4080 Sonoma Bodega Bay Comment
  UC895875  Erigeron glaucus Marcus E. Jones, A. M. 1882-7-17 3622 Sonoma Duncan's Mills Comment
  UC1557908  Erigeron glaucus J. Semple, S. Heard 1986-8-18 8545 Sonoma bluffs above Pebble Beach (CA-1, 10.1 km s of Mendocino Co. line); Pebble Beach Coastal Access, Pebble Beach Comment
  UCD158778  Erigeron inornatus James A. Neilson Jr. 19 Aug1974 2850 Sonoma Mayacmas Mountains, south of Geyser Rock. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  POM40212  Erigeron inornatus var. biolettii Marcus E. Jones 1882-7-17 3620 Sonoma Duncan's Mills. Comment
  CAS-BOT-BC214552  Erigeron philadelphicus Peter Rubtzoff 1951-7-28 553 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  JEPS117100  Erigeron serpentinus Peter Warner 2010-7-7 169 Sonoma Jenner Headlands, upper Jenner Pasture, ~ 400 m, E 116 deg. S of residence house, under power lines upslope fr. Jenner Gulch Comment
  CAS-BOT-BC259249  Eriogonum latifolium Walter Knight; Irja Knight 1963-8-13 170 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC259262  Eriogonum latifolium P. A. Munz 1936-8-7 14305 Sonoma 2 mi. north of Bodega Comment
  CAS-BOT-BC259264  Eriogonum latifolium John Thomas Howell 1930-7-27 5402 Sonoma 1 mile north of Fort Ross Comment
  UCD100328  Eriogonum latifolium Frederica Bowcutt 1984-6-24 472 Sonoma Sonoma Coast State Beaches. Duncan's Landing. 4 miles S of Jenner and the mouth of Russian River. Approx. 7 miles N of Bodega Head. 12 Comment
  CAS-BOT-BC259486  Eriogonum luteolum H. D. Geis 1902-8-1 s.n. Sonoma Unspecified Comment
  UC85726  Eriogonum luteolum var. luteolum Alice Eastwood 1900-9-9 Sonoma Mt. St. Helena Comment
  UC1478045  Eriogonum nervulosum Charlie Patterson Jun 16 1980-Jun 17 1980 Sonoma ca. 1 1/2 mi e Socrates Mine (near Lake Co. line) Comment
  CAS-BOT-BC261684  Eriogonum nudum var. nudum C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  CAS-BOT-BC261682  Eriogonum nudum var. nudum A. A. Heller 1902-7-8 5814 Sonoma Near Healdsburg Comment
  CAS-BOT-BC269748  Eriogonum nudum var. oblongifolium J. W. Congdon 1880-9-1 s.n. Sonoma Petaluma Comment
  SEINET11933965  Eriogonum ternatum Unknown 1984-1 40235 Sonoma The Cedars,N of Cazadero, headwaters of East Austin Creek, area called Red Slide 549 Comment
  CAS-BOT-BC267867  Eriogonum umbellatum var. bahiiforme F. G. Krauss 1894-5-1 s.n. Sonoma Mts. west of Calistoga Comment
  SEINET11935781  Eriogonum vimineum Unknown 1986-1 60288 Sonoma Sonoma Co. at Lake Co. line: Mayacamas Mts., Pine Mt. fireroad, ca 1/2 mi N of Ida Clayton Rd 747 Comment
  UCSB22550  Eriophyllum lanatum Jensen, Karen 1965-4-15 Sonoma Along Highway 1, about 1 km. south of Bodega 13 Comment
  JEPS41003  Eriophyllum lanatum var. arachnoideum Lewis S. Rose 1963-6-3 64057 Sonoma n end Bodega Bay (coastal bluffs) Comment
  UC1118237  Eriophyllum lanatum var. arachnoideum H. S. Yates 1934-4-21 3810 Sonoma near Bodega Port; Duncan Mills Quadrangle 7 Comment
  SD40135  Eriophyllum staechadifolium Edith A. Purer 1932-7-16 4034 Sonoma Bodega Bay Comment
  UCD132259  Eriophyllum staechadifolium Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 36 A Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. 0 Comment
  CAS-BOT-BC290704  Erodium Peter Rubtzoff 1974-5-18 7436 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA187471  Erodium brachycarpum John H. Thomas 1966-3-18 11482 Sonoma Edge of vineyard at Italian Swiss Colony at Asti. Comment
  UCD103174  Erodium cicutarium P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CDA13482  Eryngium aristulatum G. F. Hrusa, Allen Buckman 1997-7-21 14010 Sonoma North Coast Biodiversity Arena; approx. 200 m. W of Hwy 128 in drainage of Blossom Creek, 2 km. NW of Tubbs Lane int. Sheet 1 of 2 Comment
  UC1487265  Eryngium aristulatum var. aristulatum Yusuf Sheikh and Peter Rubtzoff 1971-7-20 501 Sonoma on Bennett Valley Rd. 4.5 mi. w. Glen Ellen Comment
  SD88504  Eryngium armatum Darley F. Howe 1972-6-27 Sonoma Near Pitkin Marsh. Comment
  SEINET7067265  Eryngium armatum A. G. Vestal 1947-5-13 s.n. Sonoma North of Salmon Creek. Coordinate datum: NAD27. UTM 10, 494344mE, 4245376mN. Comment
  UC202767  Eryngium armatum A. D. E. Elmer July, 1903 4776 Sonoma Petaluma Comment
  RSA223350  Eryngium armatum Peter Rubtzoff 1962-8-3 5019 Sonoma Atascadero Creek Marsh Comment
  CDA15033  Eryngium oblanceolatum R. Gross 1998-10-28 s.n. Sonoma North Coast Biodiversity Arena; 1/2 mi. N of Hwy 37 on Hwy 121, W side. Comment
  CAS-BOT-BC54763  Erysimum franciscanum D. E. Breedlove 1961-12-31 1441 Sonoma At mouth of Russian River. 3 Comment
  CAS-BOT-BC384606  Erythranthe grandis David B. Lowry 2005-5-9 WTB Sonoma At mile marker 17.08 along Hwy. 1 36 Comment
  RSA0089544  Erythronium californicum Ann Howald 2015-4-1 3314 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage. 520 Comment
  CAS-BOT-BC133297  Erythronium helenae F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -199 Sonoma The Geysers, ca 14.0 mi ESE of Preston and US hwy 101 on Geysers Road 800 Comment
  RSA304235  Erythronium helenae James R. Shevock 1972-3-28 1488 Sonoma Road bank Hwy 128, N. of Clonersdale. 91 Comment
Read comments
Mar 30 2015
  RSA149295  Eschscholzia californica subsp. californica Alice Eastwood 1900-6-9 s.n. Sonoma Bodega Point Comment
  UCD19300  Eucalyptus globulus Terry Reedy 1974-5-11 233 Sonoma Bodega Head, gully south of drive to Field Station. 6 Comment
  SD58246  Euonymus occidentalis Harry K. Roberts 1959-5-18 Sonoma On Louis Giovanni ranch in the first canyon south of ranch house, Green Valley, northwest of Sebastopol. Comment
  UC635617  Euonymus occidentalis var. occidentalis H. L. Mason 1928-7-11 4890 Sonoma canyon 2 mi. n. Fort Ross Comment
  JEPS117124  Euphorbia oblongata Peter Warner 2010-5-6 142 Sonoma Annadel State Park, North Burma Trail, ~500 m W of junction with Richardson Trail; along trail and downslope Comment
  CAS-BOT-BC368064  Euphorbia spathulata Greg de Nevers 1998-5-26 11262 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  UC469051  Eurybia radulina Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  CAS-BOT-BC312187  Eurybia radulina Walter Knight; Irja Knight 1963-9-1 385 Sonoma Harold Smith Ranch, Pine Int. Rd. NE of Cloverdale 548 Comment
  CAS-BOT-BC368004  Euthamia occidentalis Greg de Nevers 1989-8-28 9096 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Skovie. 400 Comment
  RSA94310  Euthamia occidentalis Peter Rubtzoff 1951-9-2 700 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC239717  Fabaceae Walter Knight; Irja Knight 1990-5-1 6590 Sonoma Joost Road on east side of Calistoga Road between Gates and Alpine roads 182 Comment
  CAS-BOT-BC239719  Fabaceae Peter Rubtzoff 1973-8-20 7242 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente Comment
  CAS-BOT-BC376309  Fallopia convolvulus Greg de Nevers 1992-8-1 10239 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 304 Comment
  CAS-BOT-BC368026  Festuca Greg de Nevers 1998-6-10 11277 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  UC1011031  Festuca californica Virginia Bufford 1936-5-1 161 Sonoma Larkspur Rock Bodega Canyon Comment
  UCD65908  Festuca californica subsp. californica H. S. Yates 1934-4-21 3806 Sonoma Near Bodega Port. 7 Comment
  UC1011029  Festuca elmeri Virginia Bufford 1936-5-20 315 Sonoma 5 mi from Mark West (Mark West Rd) Comment
  RSA93405  Festuca idahoensis Milo S. Baker 1945-06 10921 Sonoma Spring Mountain Road, halfway to summit. Comment
  UCD66127  Festuca occidentalis P. B. Kennedy 1915-5-31 s.n. Sonoma Stewart's Point - Annapolis Comment
  UCD66175  Festuca occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-14 13534 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway. Comment
  UCD66268  Festuca roemeri P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  HSC83427  Festuca rubra Mary M. Hektner 1974-7-20 156 Sonoma Sea Ranch, near Hwy. 1 Comment
  SEINET11690155  Festuca rubra W. Knight, Knight, I.; Howell, J. T. 1987-1 6276 Sonoma Todd Road Preserve 24 Comment
  SEINET11826926  Filago pyramidata var. pyramidata Unknown 1936-1 13100 Sonoma Healdsburg Comment
  UCR37769  Fragaria vesca A. C. Sanders 1985-1-19 5375 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  CAS-BOT-BC457577  Fragaria vesca subsp. californica Mary P. Wells 1985-4-11 470 Sonoma west of ridge, off end of Pilot's Reach, The Sea Ranch Comment
  CAS-BOT-BC457579  Fragaria vesca subsp. californica A. A. Heller; H. E. Brown 1902-3-16 5074 Sonoma Russian River near Trenton Comment
  CAS-BOT-BC457580  Fragaria vesca subsp. californica Volney Rattan 1877-6-27 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC457581  Fragaria vesca subsp. californica Volney Rattan 1885-5-9 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC457583  Fragaria vesca subsp. californica Peter Rubtzoff 1953-5-17 1372 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC53280  Frangula californica subsp. californica James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  CAS-BOT-BC53274  Frangula californica subsp. californica R B Usinger 1929-8-6 s.n. Sonoma Two miles N. of Guernewood Park, Russian River region Comment
  CAS-BOT-BC55646  Frangula purshiana Mary P. Wells 1985-7-11 553 Sonoma Pilot's Reach, the Sea Ranch Comment
  SJSU452  Fraxinus latifolia A. W. Jacobs 1939-7-20 Sonoma Russian R Terrace near Forestville Comment
  UC843892  Fritillaria affinis Alice Eastwood 1918-5-1 6858 Sonoma Mount St. Helena Comment
  RSA177995  Fritillaria affinis Robert F. Thorne 1965-4-19 34296 Sonoma W of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC130455  Fritillaria purdyi M. D. B.; Demeor 1926-3-30 163 c - Son. Serries Sonoma The Crater - Mt. St. Helena Comment
  CDA30960  Galium bolanderi D. G. Kelch, Troy McGregor 2010-8-22 10 .358 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  JEPS128307  Galium californicum Roger Raiche 2000-5-28 120 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this is not the name on USGS topo sheets). Gualala River, Wheatfield Fork watershed. Comment
  UCD160295  Galium californicum James A. Neilson Jr. 1974-5-24 2879 Sonoma Mayacmas Mountains, Geyser Rock, northeast Sonoma County. (Elevation and georeferencing estimated by label maker.) 1127 Comment
  UCD160757  Galium californicum James A. Neilson Jr. 1975-5-23 3214 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  JEPS52890  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3906 Sonoma 6.8 mi ne Plantation (on road to Ward Creek) Comment
  JEPS52836  Galium muricatum Lauramay T. Dempster and G. L. Stebbins 1963-10-26 3945 Sonoma on Skaggs Springs rd 1/2 mi w Annapolis turn-off 50 Comment
  UCD151154  Galium nuttallii James A. Neilson Jr. 1973-6-7 3563 Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  SD123748  Galium parisiense J. C. Roos 1950-7-22 4875 Sonoma Sand bar along stream bed 2 miles east of Duncan Mills 60 Comment
  UCD121861  Galium parisiense Frederica Bowcutt 1996-5-19 2124 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Lower Bald Mountain Trail. 426 Comment
  JEPS52971  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3899 Sonoma 1/2 mi n Occidental (on road to Camp Meeker) Comment
  UC1348904  Galium porrigens var. porrigens Robert F. Thorne 1965-4-19 34284 Sonoma on Stoetz Road near county dump (off Harrison Grade, ca 2 mi nne of Occidental) 182 Comment
  UCD121928  Galium tricornutum R. N. Raynor 1939-1-14 s.n. Sonoma location unknown. Comment
  RSA94357  Galium trifidum Peter Rubtzoff 1951-6-30 315 Sonoma Western branch of the Upper Marsh. Comment
  UCD121945  Galium triflorum Frederica Bowcutt 1984-6-23 428 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. Immed. SW of park entrance, W of Hwy 1 and NW of Gerstle Cove along park road. 30 Comment
  CAS-BOT-BC304343  Gamochaeta pensylvanica Greg de Nevers 1993-5-30 10463 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd 457 Comment
  CAS-BOT-BC303494  Gamochaeta ustulata G. DeNevers 1981-5-5 946 Sonoma Hansel's cow pasture. On the trail across the driveway to the Pippindale Garden Comment
  RSA94010  Gamochaeta ustulata Peter Rubtzoff 1951-7-8 398 Sonoma Pitkin Marsh, near Forestville: Lower part of Upper Marsh Comment
  UC1122675  Garrya flavescens J. B. Spring 1932-7-7 98 Sonoma 2/5 mi sw Veeder Mountain; Napa Quad. 609 Comment
  HSC8393  Garrya fremontii S. N. Wiemeyer 1962-1-28 5 Sonoma 3/4mi E of County Hospital along Chanate Rd. 213 Comment
  CAS-BOT-BC320464  Gastridium ventricosum Peter Rubtzoff 1974-6-2 7527 Sonoma Upper Green Valley Marsh. Comment
  UC50492  Gastridium ventricosum A. B. Leckenby June 1896 Sonoma Petaluma Comment
  UCR248753  Gastridium ventricosum Peter Rubtzoff 1970-9-2 6366 Sonoma Russian River bottom at Mirabel Park 5 Comment
  CAS-BOT-BC193256  Genista monspessulana Walter & Irja Knight 1990-5-1 6591 Sonoma Calistoga Road near junction of Porter Creek Road. 182 Comment
  CDA31358  Genista monspessulana D. G. Kelch, Ed Biffin 2010-5-3 10 .205 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CAS-BOT-BC193258  Genista monspessulana Alice S. M. McKenzie 1981-1-11 s.n. Sonoma Coast between Russian and Gualala Rivers; Beside Hwy. 1; in Timber Cove area. Comment
  RSA0026778  Geranium carolinianum Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  UC455452  Geranium core-core I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UC424819  Geranium dissectum Milo S. Baker 1930-4-15 3951 Sonoma Mouth of Salmon Creek Comment
  RSA0028535  Geranium dissectum I. L. Wiggins 1949-4-30 12068 Sonoma 4 miles west of Calistoga. Comment
  UC424771  Geranium molle Milo S. Baker 1929-5-3 3602 a Sonoma Coleman Valley Comment
  UCR265127  Geranium purpureum Ann Howald 2015-4-1 3318 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 15.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 397 Comment
  CDA40040  Gilia capitata subsp. capitata T. C. Fuller 1958-5-24 4019 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  UC1182817  Gilia capitata subsp. capitata A. R. Kruckeberg 1949-7-22 S- 124 Sonoma Comment
  CAS-BOT-BC226167  Gilia capitata subsp. tomentosa John Thomas Howell 1930-6-8 5265 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC226169  Gilia capitata subsp. tomentosa Verne Grant; Alva Grant 1948-7-7 8596 Sonoma 2.6 miles east of Bodega on Sebastopol - Bodega Bay road 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
  UCD117974  Gilia tricolor subsp. tricolor Botany 102 Students 1993-5-8 215 Sonoma Sugarloaf Ridge State Park, about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Along Meadow Creek. 396 Comment
  JEPS78761  Githopsis specularioides L. R. Heckard with Michael Morris 1976-4-26 4231 Sonoma n of Guerneville (along n side of Gilman Creek, near road running nw of Vista Point and Redwood Lake (ca 0.75 mi from there)); Armstrong Redwoods State Park, Gilman Creek 182 Comment
  SEINET3146240  Glebionis segetum L. S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  CAS-BOT-BC303750  Glebionis segetum Robert M. King 1980-7-8 8411 Sonoma Generally 2 miles N of Bodega Bay Comment
  CAS-BOT-BC303751  Glebionis segetum Walter & Irja Knight 1963-8-13 210 Sonoma 1.5 miles S Salmon Creek Comment
  RSA177984  Glyceria declinata R. F. Thorne 1965-4-19 34293 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  RSA786493  Glyceria declinata Peter Rubtzoff 1966-5-7 5707 Sonoma North side of Hessel Road, just west of Hwy 116. Comment
  UCD166088  Glyceria declinata Peter Rubtzoff 1971-6-26 6573 Sonoma Willow Creek Marsh. Comment
  CDA2164  Glyceria declinata Farm Adv. 1969-5-22 Sonoma Mill Station Road, Sebastopol. 0 Comment
  CAS-BOT-BC282810  Glyceria leptostachya Peter Rubtzoff 1960-6-5 4433 Sonoma Laguna de Santa Rosa area northeast of Graton near the Laguna Road, Sonoma County Marshes Comment
  CAS-BOT-BC282811  Glyceria leptostachya Peter Rubtzoff 1954-6-6 1459 Sonoma Guarneville Marsh Comment
  CAS-BOT-BC282813  Glyceria leptostachya Peter Rubtzoff 1962-5-30 4850 Sonoma Freestone Marsh Comment
  SEINET6836756 Image available Glyceria leptostachya A. D. E. Elmer July 1903 4652 Sonoma Petaluma Comment
  UC1153836  Glyceria leptostachya Beecher Crampton 1955-6-17 2937 Sonoma 0.5 mi s Guerneville Comment
  UCD37100  Glyceria leptostachya Beecher Crampton 1955-6-17 2937 Sonoma 0.5 mile south of Guerneville. Comment
  CAS-BOT-BC166907  Gnaphalium chilense Peter Rubtzoff 1962-9-22 5096 Sonoma Vacation Beach, 2 miles below Guerneville. Comment
  CAS-BOT-BC176150  Gnaphalium chilense Peter Rubtzoff 1961-8-24 s.n. Sonoma Fife Creek Marsh. Comment
  RSA785847  Gnaphalium palustre Peter Rubtzoff 1969-10-29 6202 Sonoma River Road, 3 mi W of Fulton Comment
  NY232197  Godetia amoena var. sonomensis C. L. Hitchcock 1928-6-7 18 Sonoma One-half mile east of Glen Ellen. 30 Comment
  CAS-BOT-BC305166  Grindelia hirsutula Walter Knight; Irja Knight 1963-9-1 315 Sonoma Asti Comment
  UC468768  Grindelia hirsutula Harley P. Chandler 1900-5-25 695 Sonoma Bodega Bay Comment
  UC473547  Grindelia hirsutula John Thomas Howell 1930-6-8 5256 Sonoma 1 mi e Bodega Comment
  UC479502  Grindelia hirsutula Marcus E. Jones, A. M. 1931-7-5 29142 Sonoma The Geysers Comment
  CAS-BOT-BC305168  Grindelia hirsutula J. T. Howell 1932-11-16 10816 Sonoma 6 mi. from Sonoma on road to Napa Comment
  SD39802  Grindelia stricta var. platyphylla Edith A. Purer 1932-7-21 4041 Sonoma Bodega Bay Comment
  UCD132575  Grindelia stricta var. platyphylla Mary M. Hektner; Cathy Hendel 1974-7-23 161 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD85229  Hainardia cylindrica P. G. Connors 1991-6-11 145 Sonoma University of California Bodega Marine Laboratory. Bodega Head. NW corner of Laboratory building. Comment
  CAS-BOT-BC306322  Hedypnois cretica W. P. Vestal; A. G. Vestal 1947-5-13 s.n. Sonoma 5 miles north of Fort Ross Comment
  CAS-BOT-BC306324  Hedypnois cretica G. DeNevers 1981-4-16 721 Sonoma Pepperwood Ranch. N of Garrison Cabin Comment
  UC565501  Hedypnois rhagadioloides H. L. Mason 1928-4-13 4333 Sonoma hills between Santa Rosa and Calistoga (Reili School) Comment
Read comments
Mar 30 2009
  RSA93426  Helenium bigelovii Milo S. Baker 1939-5-19 9331 Sonoma Perry Marsh near Molino. Comment
  UCD131726  Helianthella californica Frederica Bowcutt 1994-6-25 1925 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. 670 Comment
  UCD132899  Helianthus bolanderi K. Esau 1935-7-19 s.n. Sonoma near Petaluma. Comment
  NY335357  Heliotropium oculatum A. A. Heller 1902-7-8 5813 Sonoma Sandy bank of Russian River at Healdsburg Comment
  CAS-BOT-BC268124  Hemizonia Peter Rubtzoff; Nancy Harrison 1974-9-7 7875 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  UCD166184  Hemizonia Peter Rubtzoff 1969-7-25 6122 Sonoma Vernal pool area, 6.5 mi northeast of Penngrove on Lichau Road. 427 Comment
  UCD166251  Hemizonia Peter Rubtzoff 1970-8-5 6301 Sonoma 5 miles north of Sears Point. 11 Comment
  CAS-BOT-BC257145  Hemizonia Peter Rubtzoff 1963-7-14 5206 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC262972  Hemizonia Peter Rubtzoff 1971-6-5 6521 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA796386  Hemizonia Peter Rubtzoff 1969-7-25 6122 Sonoma 6.5 miles NE of Penngrove, on Lichan Road 427 Comment
  RSA800070  Hemizonia Peter Rubtzoff 1971-9-30 6709 Sonoma Laguna, Chileno Valley. Comment
  RSA800288  Hemizonia Peter Rubtzoff 1962-10-9 5115 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC306220  Hemizonia congesta subsp. congesta Milo S. Baker 1932-6-9 5745 Sonoma Near Wrights School Comment
  CAS-BOT-BC306221  Hemizonia congesta subsp. congesta Alice Eastwood; John Thomas Howell 1936-5-19 2513 Sonoma 2 miles n. of Windsor Comment
  CAS-BOT-BC306223  Hemizonia congesta subsp. congesta John Thomas Howell 1930-6-8 5216 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  JEPS77885  Hemizonia congesta subsp. congesta Edward Lee 1934-4-30 751 Sonoma 1 mi w 2 Rock junction Comment
  CAS-BOT-BC306237  Hemizonia congesta subsp. congesta James McMurphy 1908-9-27 s.n. Sonoma Mark West Creek, near Fulton Comment
  CAS-BOT-BC306239  Hemizonia congesta subsp. congesta J. McMurphy 1909-8-9 708 Sonoma 1 mile south of Sonoma Comment
  JEPS27977  Hemizonia congesta subsp. congesta Rimo Bacigalupi, and L. Heckard 1961-6-9 7732 Sonoma 1.7 mi e Tomales Road junction (in field along Petaluma-Valley Ford road) Comment
  CAS-BOT-BC309668  Hemizonia congesta subsp. lutescens John I. Carlson 1917-7-23 s.n. Sonoma Preston Comment
  CAS-BOT-BC309672  Hemizonia congesta subsp. lutescens A. A. Heller 1902-8-20 6054 Sonoma At Sebastopol Comment
  CAS-BOT-BC309711  Hemizonia congesta subsp. lutescens J. Clausen 1935-5-24 1085 Sonoma 5.1 miles south of Jenner, on the Bodega road Comment
  CAS-BOT-BC309713  Hemizonia congesta subsp. lutescens David D. Keck 1933-11-6 2652 Sonoma 1/2 mi. S. of Jenner Comment
  HSC5814  Hemizonia congesta subsp. lutescens L. S. Rose 1964-8-26 64067 Sonoma 5 mi. NE of Penngrove 244 Comment
  JEPS86807  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1991-6-4 1172 Sonoma 0.25 mi s of the end of Meyers Grade (found on the w side of Hwy 1) 182 Comment
  UC584180  Hemizonia congesta subsp. lutescens J. Clausen 1935-5-24 1085 Sonoma 5.1 mi s Jenner (on the Bodega road) Comment
  CAS-BOT-BC309710  Hemizonia congesta subsp. lutescens H. M. Hall 1931-5-28 13104 Sonoma Bodega Bay Comment
  JEPS116516  Hemizonia congesta subsp. lutescens Peter Warner 2009-6-3 102 Sonoma Poff Ranch, Wright Hill Road off State Hwy 1, in grassland 25 m S of main (west) gate 250 Comment
  UC1518544  Hemizonia congesta subsp. lutescens Craig D. Thomsen 1976-6-27 247 Sonoma watershed of Estero de San Antonio Estero De San Antonio Comment
  UCD132990  Hemizonia congesta subsp. lutescens Lewis S. Rose 1964-8-26 64067 Sonoma 5 miles northeast of Penngrove. 243 Comment
  CAS-BOT-BC309947  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1966-7-17 9916 Sonoma Sausal Creek north of Alexander Valley Comment
  CAS-BOT-BC309949  Hemizonia congesta subsp. luzulifolia Joseph P. Tracy 1930-9-1 9173 Sonoma North Coast Ranges. Knight's Valley Comment
  JEPS119429  Hemizonia congesta subsp. luzulifolia Anne 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 Comment
  UC1199371  Hemizonia congesta subsp. luzulifolia Joseph P. Tracy 1935-8-18 14744 Sonoma Knights Valley North Coast Ranges, Knights Valley 152 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-BC309962  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-8-7 699 Sonoma Callistoga [Calistoga] Road, 7 miles from Santa Rosa Comment
  CAS-BOT-BC309964  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-8-8 706 Sonoma Sonoma Comment
  RSA81630  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-8-7 699 Sonoma 7 miles from Santa Rosa on road to Calistoga, Comment
  UC581116  Hesperevax sparsiflora var. sparsiflora H. L. Mason 1934-4-28 8082 Sonoma Jensen's Ranch; Dohrmann Creek Comment
  UC903717  Hesperolinon clevelandii Milo S. Baker 1947-5-7 11743 Sonoma sw slope just above Baker ranch; Hood Mt. 213 Comment
  UC1212384  Hesperolinon spergulinum Helen K. Sharsmith 1947-5-30 3967 Sonoma 2 mi e Occidential (Harrison Grade); Inner North Coast Ranges 213 Comment
  UC1212389  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-23 4166 Sonoma 12.2 mi w Skaggs Springs (Stewarts Point road); Inner North Coast Ranges 579 Comment
  UC1212403  Hesperolinon spergulinum Freed Hoffman 1947-5-30 552 Sonoma Layton Mine, headwaters Main Austin Creek Inner North Coast Ranges, Austin Creek Comment
  UCD95457  Hesperomecon linearis Laurie E. Miller 1974-5-11 158 Sonoma Bodega Head outside Bodega Marine Life Refuge. 6 Comment
  RSA0045175  Heterotheca oregona Greg de Nevers 1996-10-20 10890 Sonoma Pepperwood Ranch Natural Reserve. 3450 Franz Valley Road. 91 Comment
  UCR222532  Heuchera micrantha George K. Helmkamp, E. A. Helmkamp 2010-6-5 16245 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
  UC858023  Heuchera micrantha var. erubescens Alice Eastwood 1915-6-5 4577 Sonoma Petrified Forest Comment
  RSA0063138  Heuchera micrantha var. hartwegii Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  SDSU9530  Heuchera pilosissima D. F. Howe 1966-6-2 4262 Sonoma 0.5 mile S of Bodega Bay. Comment
  CAS-BOT-BC319702  Hieracium albiflorum John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 54006 Sonoma Fairfield Osborn Preserve of the Nature Conservancy 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC319704  Hieracium albiflorum D. E. Breedlove 1980-6-28 44817 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC496386  Hieracium albiflorum Merle Randall 1930-6-8 Sonoma Cazadero Comment
  CDA10945  Hierochloe occidentalis G. F. Hrusa, G. L. Stebbins 1994-3-28 11703 Sonoma North Coast Biodiversity Arena; Along Austin Creek, 4.3 m. N of Duncan's Mills on D.M. Cazadero Rd. Adjacent to East Austin Cr. Rd. on E side of Creek. Perennial. Shade of redwoods. Comment
  UC479115  Hoita macrostachya Marcus E. Jones, A. M. 1931-7-5 28969 Sonoma w Cloverdale Comment
  CDA27097  Hoita orbicularis D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC280802  Holcus lanatus Peter Rubtzoff 1957-6-28 s.n. Sonoma Duncans Mills Marsh Comment
  UCD84870  Holcus lanatus Beecher Crampton 1957-7-11 4309 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  CAS-BOT-BC320402  Holocarpha virgata James I. McMurphy 1910-6-7 s.n. Sonoma Between Napa Junction and Petaluma Comment
  CAS-BOT-BC320404  Holocarpha virgata James I. McMurphy 1906-7-17 s.n. Sonoma Fulton Comment
  UC990598  Holocarpha virgata subsp. virgata James I. McMurphy 1906-7-17 Sonoma Fulton Comment
  POM139648  Holodiscus discolor Willie Randall 1898-06 607 Sonoma Near Sebastopol. Comment
  UC990581  Holozonia filipes James I. McMurphy 1909-8-18 704 Sonoma Kenwood Comment
  UCD85388  Hordeum brachyantherum P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC289539  Hordeum brachyantherum subsp. californicum Roxana S. Ferris; Laura Lorraine 1961-6-14 13545 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UC573679  Hordeum marinum subsp. gussoneanum H. S. Yates 1936-5-16 5601 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  RSA123430  Hordeum murinum subsp. glaucum H. S. Yates 1936-5-16 5601 Sonoma 2 miles S.E. of Forestville 30 Comment
  UC903144  Horkelia californica Ethel Crum 1930-7-27 818 Sonoma n Fort Ross; North Coast Ranges Comment
  CAS-BOT-BC536157  Horkelia californica John Thomas Howell 1930-6-8 5279 Sonoma 8 miles north of Bodega Bay Comment
  UCD113399  Horkelia californica B. Crampton 1957-7-22 4376 Sonoma Along State Hwy. 1, 0.9 miles south of Stewart's Point. Comment
  CAS-BOT-BC536159  Horkelia californica var. elata W. W. Carruth 1900-7-1 s.n. Sonoma Russian River Comment
  RSA118025  Horkelia tenuiloba J. T. Howell 1955-6-2 30258 Sonoma Near Vine Hill School Comment
  UCD161442  Hosackia crassifolia James A. Neilson Jr. 1975-7-8 3385 Sonoma Mayacmas Mountains; west of Alder Creek, vicinity of Geyser Rock; northeast Sonoma County, (Coordinates and elevation estimated by label maker.) 1097 Comment
  SEINET957358  Hosackia gracilis S. Walker 1983-1 83 H-102 Sonoma In ditch beside road to Goat Rock. Comment
  SEINET957970  Hosackia oblongifolia L. S. Rose 1962-1 62062 Sonoma 1 mi. NW of Freestone. 76 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
  UC70368  Hydrocotyle verticillata Milo S. Baker 1898-1 Sonoma near Santa Rosa Comment
  CAS-BOT-BC540821  Hypericum Peter Rubtzoff 1971-6-26 6576 Sonoma Pitkin Marsh, near Forestville. Comment
  UCD148322  Hypochaeris glabra Peter Rubtzoff 1953-11-1 1429 Sonoma Vacation Beach, near Guerneville. Comment
  UCD133475  Hypochaeris radicata Gerry North 1993-4 41 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At lower camping area, 50 m. east of foot bridge. 365 Comment
  SD88575  Iris douglasiana Darley F. Howe 1972-5-4 Sonoma Near Duncan Mills Pond. 152 Comment
  UC571179  Iris douglasiana H. L. Mason 1928-4-8 4282 Sonoma Fort Ross Comment
  SEINET3875269  Iris douglasiana Janet McIntosh 1966-4-27 24 Sonoma Ca. 1000 feet from shore; State Highway 1, 5 miles North of Jenner, Sonoma County, California.; 0 Comment
  CDA13304  Iris macrosiphon G. F. Hrusa, R. Gross 1996-4-2 12827 Sonoma North Coast Biodiversity Arena; Base of Diamond Mtn. on NW side. 2 m. S of Calistoga Comment
Read comments
Jul 28 2008
  RSA227253  Isoetes howellii Peter Rubtzoff 1963-6-22 5188 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC61922  Isoetes nuttallii Leo Koch 1938-4-1 78 Sonoma off Adobe Canyon near Kenwood Comment
  CAS-BOT-BC112412  Isolepis carinata John Thomas Howell 1957-6-13 32620 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112414  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh near Forestville: Lower part of the Upper Marsh. Comment
  SEINET11750612  Isolepis carinata H. K. Wagnon 1989-1 1871 Sonoma Ocean Bluff, Salt Pt. State Park 0 Comment
  CAS-BOT-BC112567  Isolepis cernua Peter Rubtzoff 1970-7-17 6287 Sonoma 5 mi N of Sears Point. Comment
  CAS-BOT-BC112569  Isolepis cernua Peter Rubtzoff 1962-8-22 5059 Sonoma Bodega Bay Marsh. Comment
  HSC7451  Isolepis cernua A. A. Beetle 1941-7-8 2854 Sonoma 5 mi. S of Stewart's ('Steward') Point 24 Comment
  CAS-BOT-BC340226  Jaumea carnosa Peter Rubtzoff 1962-8-3 5029 Sonoma Lower Salmon Creek Marsh Comment
  RSA788953  Juncus Peter Rubtzoff 1968-7-13 5920 Sonoma Upper Salmon Creek Marsh. 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
  UC1042427  Juncus balticus Peter Rubtzoff 1951-7-7 368 Sonoma near Forestville (e branch of the upper marsh); Pitkin Marsh Comment
  CAS-BOT-BC164032  Juncus balticus subsp. ater Peter Rubtzoff 1970-5-16 6224 Sonoma Sonoma: Five miles north of Sears Point Comment
  SEINET3877389  Juncus bolanderi Kaye H. Thorne 1984-11-21 3657 Sonoma Sea Ranch, 2.5 mi S Gualala, stabilized coast dunes old sheep ranch.; 0 Comment
  UCD164103  Juncus dubius Peter Rubtzoff; Nancy Harrison 1978-5-20 9187 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CDA42414  Juncus effusus subsp. pacificus D. G. Kelch 2012-5-2 12 .068 Sonoma Dry Creek Valley; near Preston Organic Winery along tributary of Dry Creek. Comment
  CAS-BOT-BC157985  Juncus effusus subsp. pacificus Peter Rubtzoff 1964-8-26 5479 Sonoma Marsh 5 miles NE of Penngrove on Lichan Road 213 Comment
  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
  UCR248954  Juncus lescurii Peter Rubtzoff 1959-6-20 4179 Sonoma Willow Creek Marsh 9 Comment
  RSA0015643  Juncus lescurii Peter Rubtzoff 1955-8-20 2080 Sonoma Bodega Harbor Marsh. Comment
  UCD161770  Juncus nevadensis James A Neilson Jr. 1976-5-10 s.n. Sonoma Mayacmas Mountains. Aidlin-Gouvea Leasehold. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC182748  Juncus occidentalis Peter Rubtzoff 1974-5-18 7413 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road Comment
  UC1146699  Juncus occidentalis Freed W. Hoffman 1941-5-18 2180 Sonoma Franz Valley North Coast Ranges Comment
  UCD141648  Juncus occidentalis M. Wiesendanger 1927-5-5 713 Sonoma Sonoma. Comment
  POM110915  Juncus patens Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  SEINET3881146  Juncus tenuis Carol Witham, Jennifer Buck 2002-5-6 305 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool # TOD001.; 0 Comment
  UCR254875  Koeleria macrantha Peter Rubtzoff 1964-6-6 5357 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg 61 Comment
  CAS-BOT-BC273787  Koeleria pyramidata G. DeNevers 1981-5-23 1289 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  CAS-BOT-BC273789  Koeleria pyramidata G. DeNevers; J. Shumate 1981-7-25 1865 Sonoma Pepperwood Ranch. W of 3 Tree Hill Comment
  UC403007  Kopsiopsis strobilacea Adolphe H. Weber May 1896 Sonoma Comment
  CAS-BOT-BC340486  Lactuca saligna Walter Knight; Irja Knight 1963-9-15 240 Sonoma Los Alamos Rd, Santa Rosa Comment
  CAS-BOT-BC340488  Lactuca saligna Walter Knight; Irja Knight; J. T. H. 1984-9-26 5231 Sonoma 4.9 mi. up Cavedale Rd. Comment
  CAS-BOT-BC340660  Lactuca serriola Mary P. Wells 1985-9-2 611 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC340661  Lactuca serriola Mary P. Wells 1985-9-2 611 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC341707  Lagophylla ramosissima John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53963 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC341709  Lagophylla ramosissima James I. McMurphy 1909-5-28 s.n. Sonoma 1 mile west of Santa Rosa Comment
  SJSU9868  Lagurus ovatus S. H. Casey 1969-5-13 238 Sonoma 3 mi N of Stewarts Point Comment
  UCD36536  Lamarckia aurea Beecher Crampton 1954-4-26 1793 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  UCR131627  Lamarckia aurea Beecher Crampton 1954-4-26 1793 Sonoma N end of Alexander Valley, border of Mendocino Co., 3 miles north of Cloverdale along U.S. Highway 101 122 Comment
  JEPS83494  Lasthenia burkei Jack and Betty Guggolz 1985-5-7 832 703 B Sonoma n of Fulton (in the first swale e of the Freeway and s of Shilo Road) Comment
  JEPS86749  Lasthenia burkei Jack and Betty Guggolz 1990-5-5 1048 Sonoma n side Piner Road (w of Olivet Road) Comment
  CAS-BOT-BC385626  Lasthenia californica Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  JEPS26839  Lasthenia californica subsp. bakeri Rimo Bacigalupi 1961-5-21 7702 Sonoma at head Johnson Gulch (due e of Bodega Bay Hill Raod) 217 Comment
  UC90021  Lasthenia californica subsp. bakeri Katharine Brandegee 1905-6-27 Sonoma Bodega Bay Comment
  UC90026  Lasthenia californica subsp. californica Alice Eastwood 1899-6-1 Sonoma Bodega Point Comment
  UCSB50244  Lasthenia chrysostoma John Gray 1976-5-1 8 Sonoma collected in the bluffs at Duncan's Landing, in the Sonoma Coast Beaches Duncan's Landing, and Sonoma Coast Beaches 15 Comment
  SEINET11807292  Lasthenia chrysostoma F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -231 Sonoma end of Stoetz Road 200 Comment
  JEPS104665  Lasthenia conjugens Sarah Lynch and Geoff Monk 2003-5-1 Sonoma Martinelli Ranch off Stage Gulch Road at Petaluma Road, Petuluma 85 Comment
  CAS-BOT-BC355522  Lasthenia glaberrima Alice Eastwood 1917-5-13 s.n. Sonoma Road to Bodega Point Comment
  CAS-BOT-BC355524  Lasthenia glaberrima Peter Rubtzoff 1958-5-10 3654 Sonoma Laguna de Santa Rosa north of Cunningham (near Todd Road) Comment
  JEPS86328  Lasthenia glaberrima Jack and Betty Guggolz 1988-3-30 907 Sonoma about 200 m w Fulton Road (and 400 m n of Guerneville Road) Comment
  UCD133808  Lasthenia gracilis Gerry North 1993-3 30 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. 18 air miles northwest of Napa. At picnic site across from parking lot east of kiosk along Adobe Canyon Road. 381 Comment
  CAS-BOT-BC370897  Lasthenia minor J. Clausen 1935-5-24 1084 Sonoma 5 mi. S. of Jenner, close to ocean between grass. Comment
  UC1028300  Lasthenia minor George B. Rossbach 1955-3-19 516 Sonoma sw end Bodega Head 30 Comment
  UC353930  Lasthenia minor Milo S. Baker 1928-4-14 2984 Sonoma 1.5 mi n of Bay Comment
  CAS-BOT-BC164661  Lathyrus Peter Rubtzoff 1974-9-7 7886 Sonoma Hinebaugh Creek, Rohnert Park. Comment
  UCD106204  Lathyrus cicera Botany 102 Students 1993-5-8 252 Sonoma N of Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Bald Mountain Trailhead parking. About 1 air mile S of Red Mountain, just N of Sonoma Creek. Comment
  UCD150835  Lathyrus hirsutus Ayzik Solomescsh 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, north of city of Rohnert Park. East of Hwy 101 and south of Horn Ave. Elevation estimated from Google Earth by label maker. 30 Comment
  CAS-BOT-BC361424  Lathyrus sphaericus Greg de Nevers 1996-6-3 10824 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa along Martin Creek 400 Comment
  SD254612  Lathyrus vestitus Ann Howald 2015-4-1 3333 Sonoma North Coast Ranges; Stewarts Point-Skaggs Springs Rd. 16.7 miles west of intersection with Rockpile Rd., Wolf Creek drainage. 294 Comment
  CAS-BOT-BC323237  Layia chrysanthemoides John Thomas Howell 1931-4-1 6036 Sonoma 9 miles SW of Sonoma on road to San Rafael. Comment
  JEPS24288  Layia chrysanthemoides G. Thomas Robbins with Hsuan Keng and Erika Amstutz 1959-4-3 3973 Sonoma along shallow drainage ditch by State Highway 37 (about .5 mi e of big Bend and .25 mi w of Sonoma Creek crossing); Sonoma Valley 3 Comment
  CAS-BOT-BC313745  Layia chrysanthemoides subsp. maritima J. Clausen 1935-5-24 1090 Sonoma 6.2 miles S of Jenner Comment
  CAS-BOT-BC379625  Layia platyglossa John Thomas Howell 1930-7-27 5405 Sonoma 1 mile north of Fort Ross Comment
  CAS-BOT-BC329304  Layia septentrionalis H. E. Brown; A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood Comment
  CAS-BOT-BC312696  Leersia Peter Rubtzoff 1987-9-27 9851 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  CAS-BOT-BC376241  Leersia oryzoides Greg de Nevers 1992-8-16 10245 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 304 Comment
  UC688868  Leersia oryzoides Freed Hoffman 1943-10-26 5 Sonoma near Guerneville (Russian River); Russian River Comment
  CAS-BOT-BC210107  Lemna Peter Rubtzoff 1969-5-11 6049 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road. Comment
  CAS-BOT-BC210109  Lemna Peter Rubtzoff 1970-6-21 6273 Sonoma Tributary of Mark West Creek, ca. 3 mi. W of Fulton. Comment
  CAS-BOT-BC527254  Lemna gibba John Thomas Howell 1946-9-20 23028 Sonoma Near Twin Rocks Comment
  RSA783714  Lemna gibba Peter Rubtzoff 1965-11-9 5666 Sonoma Stony Point Marsh Comment
  UCD148503  Lemna minor Peter Rubtzoff 1965-11-9 5669 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC527286  Lemna minuta Peter Rubtzoff 1964-8-20 5467 Sonoma One mile southeast of jenner near crossing of Hwys. 1 and 12 Comment
  CAS-BOT-BC527288  Lemna minuta Mary P. Wells 1984-8-9 437 Sonoma Sagpond near airstrip, Timber Ridge Road, The Sea Ranch Comment
  RSA0025211  Lemna minuta Peter Rubtzoff 1955-7-31 2007 Sonoma Forestville Marsh. Comment
  RSA92943  Lemna minuta Peter Rubtzoff 1957-6-17 287 Sonoma Northern half of Lower Marsh [probably Duncans Mills Marsh] Comment
  UCR256274  Lemna valdiviana Peter Rubtzoff 1954-7-29 1603 Sonoma Guerneville Marsh Comment
  RSA0060106  Lepechinia calycina Greg de Nevers 1996-7-17 10857 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Oak Hill Ranch. 91 Comment
  UCR255725  Lepechinia calycina Greg de Nevers 1996-7-17 10857 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  UCD124767  Lepechinia calycina Frederica Bowcutt 1994-6-25 1923 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. 670 Comment
  CAS-BOT-BC89739  Lepidium latifolium Walter Knight; Irja Knight 1963-8-9 199 Sonoma North side Lakeville Highway at Petaluma Fertilizer office - Petaluma (waif). Comment
  CAS-BOT-BC89740  Lepidium latifolium Walter Knight 1963-8-9 s.n. Sonoma Petaluma city limits sign on highway to Lakeville. Comment
  RSA201201  Lepidium latifolium Walter Knight 1963-8-9 s.n. Sonoma Petaluma city limits sign on hwy to Lakeville. Comment
  CAS-BOT-BC12659  Lepidium nitidum A. A. Heller; H. E. Brown 1902-3-14 5054 Sonoma Near Santa Rosa. Comment
  CHSC28849  Lepidium nitidum Jane A. Rogers 1979-4-14 9 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/4 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. 27 Comment
  CAS-BOT-BC12757  Lepidium oxycarpum J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma. Comment
  CAS-BOT-BC12973  Lepidium strictum Catherine Best 1990-3-24 1361 Sonoma Northwest of Santa Rosa near Piner and Fulton. Comment
  CAS-BOT-BC226546  Leptosiphon acicularis John Thomas Howell 1933-4-2 10932 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC376243  Leptosiphon androsaceus Greg de Nevers 1992-4-28 10117 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  UCSB5189  Leptosiphon androsaceus Keator, Glenn 1959-4-2 Sonoma 5.5 miles up Cavedale road near its end; 6.6 miles from Agua Caliente Comment
  CHSC40733  Leptosiphon ciliatus H. N. Bolander 1866-1-1 Sonoma Russian River Valley. Comment
  UC1299300  Lessingia hololeuca Freed W. Hoffman 1947-7-30 1414 Sonoma near Guerneville; North Coast Ranges, Great Eastern Quicksilver Mines Comment
  UCD77821  Lessingia nemaclada Robert E. Preston 1998-5-22 1105 Sonoma Myers Ranch, 2 mi NE of Occidental. 182 Comment
  CAS-BOT-BC341995  Lessingia ramulosa A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  JEPS86744  Lessingia ramulosa Jack and Betty Guggolz 1990-9-17 1094 Sonoma small meadow on s side of creek 1/2 mi from Bohemian Highway (1 1/2 mi nnw of Camp Meeker); Duvoul Creek 97 Comment
  JEPS87257  Lessingia ramulosa Jack and Betty Guggolz 1992-8-29 1340 Sonoma on creek just below reservoir (about 1 1/2 mi nw of Camp Meeker); Grub Creek 146 Comment
  UC1287461  Lessingia ramulosa Willard Spence 1960-9-13 631 Sonoma 2.5 mi w Graton (at junction of Graton Rd. and Green Hill Rd.) Comment
  UCD61317  Leymus californicus G. L. Stebbins Jr.; W. S. Boyle 1942-5-12 3229 Sonoma Bodega Canyon Road, 2.5 miles west of Bodega. Comment
  UCD61337  Leymus californicus Collector Unknown 1942-5-23 10198 Sonoma 2.5 miles W of Bodega town, turning right in town. 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-BC436056  Ligusticum grayi Rimo Bacigalupi 1926-5-2 1388 Sonoma Cazadero Comment
  CAS-BOT-BC451695  Lilaea scilloides Peter Rubtzoff 1972-6-11 6775 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC451705  Lilaea scilloides Greg de Nevers 1992-5-5 10142 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  CAS-BOT-BC110616  Limnanthes Charles Piper Smith 1908-4-1 1383 Sonoma Petaluma. Base of hills on east side of valley. Comment
  RSA63113  Limnanthes alba L. S. Rose 1951-5-17 51007 Sonoma Hills west of Agua Caliente. 91 Comment
  OBI12586  Limnanthes douglasii Robert F. Hoover 1939-4-18 4050 Sonoma Los Guilicos Valley Comment
  UC1057461  Limnanthes douglasii G. Thomas Robbins 1937-5-23 180 Sonoma near Wright School (along road between Santa Rosa and Sebastopol) Comment
  UC635574  Limnanthes douglasii subsp. douglasii A. E. Borell 1928-4-13 139 Sonoma Petaluma Comment
  RSA262357  Limnanthes douglasii subsp. douglasii Lynn Gould 1962-4-20 57 Sonoma 1 mile east of Sonoma. 24 Comment
  CAS-BOT-BC488332  Limnanthes douglasii subsp. nivea Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain, NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1 43 Comment
  JEPS102969  Limnanthes vinculans Ann Howald 1994-4-19 1809 Sonoma Knights Valley, Bavarian Lion Ranch Comment
  UC1042568  Limnanthes vinculans Mrs. A. E. Alexander 1946-4-23 Sonoma between Bodega and Petaluma Comment
  UC1331756  Limnanthes vinculans R. Ornduff 1965-5-8 6860 Sonoma e Cunningham (nr. Llano Road); Laguna de Santa Rosa Comment
  UCD165771  Limosella Peter Rubtzoff 1973-8-27 7271 Sonoma Upper Green Valley Marsh area. Comment
  UC30170  Linanthus acicularis W. H. Brewer 1862-4-18 983 Sonoma Sonoma Comment
  UC908781  Linanthus jepsonii Herbert L. Mason 1928-4-13 4334 Sonoma Reibli School, near springs Comment
  JEPS58144  Linanthus parviflorus Joseph Andorfer Ewan 1935-5-13 9258 Sonoma Wright School on Sebastopol road Comment
  SEINET7884058 Image available Linum spergulinum Michener, Bioletti 1892-1 376 Sonoma Magg's Springs Comment
  JEPS117116  Linum trigynum Peter Warner 2010-6-16 167 Sonoma Jenner Headlands, Knoll Field, 203 m S 244 deg. W of residence house Comment
  CAS-BOT-BC36014  Lithocarpus densiflorus var. densiflorus H. E. McMinn 1922-6-7 191 Sonoma Redwoods near Monte Rio Comment
  CAS-BOT-BC505199  Lithophragma affine Ann Howald 2015-4-1 3315 Sonoma North Coast Ranges: Stewarts Point--Skaggs Springs Rd, 14.7 mi W of jct with Rockpile Rd, Wolf Creek drainage 520 Comment
  CAS-BOT-BC435675  Lithophragma heterophyllum Alice Eastwood 1918-5-1 6814 Sonoma Mt. St. Helena Comment
  UC1093939  Logfia filaginoides Herbert L. Mason 1947-5-4 13211 Sonoma near Kenwood (burned area of Hood Mountain); Hood Mountain Comment
  UC1093940  Logfia filaginoides Herbert L. Mason 1947-5-4 13209 Sonoma near Kenwood; Hood Mountain Comment
  UCD167964  Logfia filaginoides James Neilson 1977-6-12 3919 Sonoma Mayacmas Mountains, McMicking Ranch, well site 2. (McMicking Ranch is also known as Santa Angelina Ranch and is in the vicinity of Knights Valley and Coon Creek.) Comment
  CAS-BOT-BC353413  Logfia gallica Peter Rubtzoff 1973-7-24 7197 Sonoma Upper Green Valley Marsh. Comment
  UC573668  Lolium multiflorum H. S. Yates 1937-5-30 6552 Sonoma 1 1/2 mi e Occidental; Sebastopol Quad. Comment
  UCSC000076  Lolium multiflorum H. S. Yates 1937-5-30 6551 Sonoma 1.5 miles E. of Occidental - Sebastopol 91 Comment
  UCD84597  Lolium perenne Frederica Bowcutt 1994-6-12 1844 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. ca. 20 ft. Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  RSA94286  Lolium perenne Peter Rubtzoff 1951-7-14 426 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  UCD66634  Lolium temulentum A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3570 Sonoma 9.1 miles northwest of Santa Rosa. Comment
  UCD66664  Lolium temulentum Collector Unknown 1941-4-1 Sonoma Sebastopol Hwy. Comment
  SD58303  Lomatium caruifolium W. L. Jepson 1921-6-2 9297 Sonoma Windsor. 49 Comment
  SEINET191592  Lomatium dasycarpum Lewis S. Rose 1941-5-22 31247 Sonoma Rincon Ridge, 4 mi E of Santa Rosa 122 Comment
  SEINET12118785  Lomatium dasycarpum Unknown 1953-1 3448 Sonoma Mark West road, 1 mi SW of Petrified Forest Comment
  SEINET7096769  Lomatium foeniculaceum var. fimbriatum A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane off Occidental Road 1 mile east of Occidental. NAD27, 38? deg. 24' 25ao, -122?_ 55' 38ao (converted to WGS84 decimal degrees) UTM Zone 10, 566349mE, 4250771mN. Comment
  UC1348909  Lomatium repostum Robert F. Thorne 1965-4-20 34326 Sonoma ca. 2 1/2 mi N of Santa Rosa (1 mi N of Sonoma Co. Hosp., Parker Hill Rd.) 106 Comment
  RSA74049  Lomatium repostum Anonymous 1947-5-7 11742 Sonoma SE slope of Mt Hood. Comment
  POM180620  Lomatium vaginatum J. T. Howell 1930-6-8 5248 Sonoma 1 mile east of Bodega Bay. Comment
  CAS-BOT-BC240647  Lonicera hispidula A. A. Heller 1902-6-26 5767 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC240649  Lonicera hispidula Mary P. Wells 1985-6-14 518 Sonoma Sea Ridge Road, north of Pilots Reach, The Sea Ranch Comment
  UCD137330  Lonicera hispidula Mrs. C. Dresel 1927-9-1 816 Sonoma Exact location unknown. Comment
  UC28524  Lonicera hispidula var. vacillans J. Burtt Davy Aug. 1896 4140 Sonoma Russian River Comment
  CAS-BOT-BC243994  Lonicera involucrata var. ledebourii Alice S. M. McKenzie 1981-2-3 12 Sonoma Russian gulch near road E side of creek, N side of road, Calif Hwy 1 at marker, Coast between Russian and Gualala Rivers Comment
  CAS-BOT-BC540820  Lotus Peter Rubtzoff 1971-6-26 6575 Sonoma Willow Creek Marsh. Comment
  POM258887  Lotus angustissimus Alice Eastwood, John T. Howell 1938-6-11 6267 Sonoma Near Stillwater Cove. Comment
  HSC98248  Lotus formosissimus James Faro 1962-4-22 3 Sonoma Ocean Cove Ranch, 4 mi. N of Fort Ross on Hwy. 1 Comment
  UC555528  Lotus formosissimus H. L. Mason 1928-4-8 4281 Sonoma Fort Ross Comment
  UCR44916  Lotus humistratus L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  UC1300860  Lotus micranthus Helen K. Sharsmith 1963-5-25 5475 Sonoma from Freestone to Occidental; San Francisco Bay Region 121 Comment
  SEINET12154225  Lotus nevadensis var. douglasii Unknown 1936-1 13109 Sonoma nr Healdsburg 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
  POM18333  Lotus scoparius var. scoparius A. A. Heller 1902-6-26 7473 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UCR222351  Lotus scoparius var. scoparius George K. Helmkamp, E. A. Helmkamp 2010-6-4 16233 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 9.8 rd. miles east of its junction with US-101, 4.5 air miles SW (250 deg. ) of Calistoga 280 Comment
  CAS-BOT-BC478123  Ludwigia Peter Rubtzoff 1987-9-27 9853 Sonoma Russian River at Forest Hills, 6 miles east of Guerneville Comment
  UCD66048  Ludwigia hexapetala B. J. Grewell; Keenan Foster 2005-9-14 05- 18 -LU Sonoma Russian River at Cloverdale Airport. 79 Comment
  CAS-BOT-BC258913  Ludwigia palustris Peter Rubtzoff 1969-8-24 6149 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  RSA800589  Ludwigia palustris Peter Rubtzoff 1966-6-26 5763 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  RSA94343  Ludwigia palustris var. pacifica Peter Rubtzoff 1951-7-8 401 Sonoma Pitkin Marsh, near Forestville: Lower part of Upper 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-BC320570  Lupinus Peter Rubtzoff 1974-6-22 7624 Sonoma Todd Road, 1.5 miles from Highway 116 and 0.5 miles from (west of) Llano Road. Comment
  HSC14956  Lupinus albifrons S. N. Wiemeyer 1962-4-13 11 Sonoma 2.1 mi. N of jct. of Calistoga and Hwy. 12 274 Comment
  CAS-BOT-BC195973  Lupinus albifrons var. albifrons Milo S. Baker 1934-1-1 9481 Sonoma Cunningham Marsh Comment
  POM11031  Lupinus albifrons var. eminens A. A. Heller, H. E. Brown, A. H. Heller 1902-3-27 7175 Sonoma Western base of Mt. Hood. Comment
  CAS-BOT-BC196464  Lupinus arboreus Greg de Nevers 1992-4-23 10114 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  UCD106652  Lupinus arboreus Terri Williamson 1990-5-20 54 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  CAS-BOT-BC196462  Lupinus arboreus Catherine Best 1981-4-4 s.n. Sonoma On Coleman Valley Rd just west of Coleman Valley Comment
  CAS-BOT-BC413800  Lupinus bicolor J. Penalosa 1961-5-24 1572 Sonoma Slope above Upper Stemple Cr. Marsh Comment
  SEINET10485216  Lupinus densiflorus Joseph W. Congdon 1880-5-11 Congdon UMO 42456 Sonoma Santa rosa. Comment
  CAS-BOT-BC8358  Lupinus formosus subsp. formosus Amos Arthur Heller 1940-4-22 15546 Sonoma Alexander Valley (label reads Anderson Valley; annotation corrects this to Alexander Valley) Comment
  UCR265092  Lupinus latifolius Ann Howald 2015-4-1 3335 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 17.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 260 Comment
  CDA27499  Lupinus microcarpus var. densiflorus T. C. Fuller 1966-6-2 14858 Sonoma East side of Pacific Coast Highway 1, 0.2 mile south of junction with Petaluma-Valley Ford Road, 1 mile east of Valley Ford. 0 Comment
  UCD108644  Lupinus microcarpus var. densiflorus Eric Davidson 1972-5-27 392 Sonoma near dorm at University of California's Bodega Marine Lab, Bodega Head. Comment
  UC727105  Lupinus microcarpus var. microcarpus A. A. Heller 1940-5-17 15637 Sonoma on State Highway #1, 2 mi w Valley Ford; w of Valley Ford Comment
  UC865334  Lupinus microcarpus var. microcarpus Marcus E. Jones, A. M. 1882-7-17 3329 Sonoma Duncan's Mills Comment
  UCD108973  Lupinus nanus Mary M. Hektner 1975-4-27 185 Sonoma next to parking lot; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  POM276264  Lupinus nanus subsp. nanus Lyman D. Benson 1935-3-31 6403 Sonoma U.S. 101, S. of Cloverdale. 244 Comment
  CAS-BOT-BC320462  Lupinus polycarpus Peter Rubtzoff 1969-5-3 6020 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  RSA51315  Lupinus polycarpus Peter H. Raven 1950-4-6 1560 Sonoma Cotati to Santa Rosa. 30 Comment
  JEPS78238  Lupinus sericatus Charley Patterson 1979-6-22 Sonoma Socrates Mine Rd. (Whispering Pines Quad.) lower left corner of quad. on bend in road just nw 3066 BM (ca 3 air mi sw of Whispering Pines); Whispering Pines Quad, Lake-Sonoma County Line Comment
  NY16021  Lupinus sonomensis A. A. Heller 1940-5-17 15638 Sonoma 2 miles east of Shellville along State Highway #37. Upper Sonoran Life Zone. Comment
  RSA0070026  Lupinus variicolor Daisie Huang 2006-5-30 06053015 Sonoma Bodega Marine Laboratory. Coastal bluff near building. (waypt 30D). 2 Comment
  RSA177992  Luzula comosa Robert F. Thorne 1965-4-19 34298 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC436741  Luzula comosa var. comosa John Thomas Howell 1937-6-6 13033 Sonoma Pitkin Marsh 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
  CHSC20576  Luzula macrantha Robert A. Schlising 1962-3-31 2129 Sonoma Coast Ranges. Ca 2 mi NE of Kenwood along road in to Sugarloaf Ridge. Comment
  RSA0015992  Lythrum hyssopifolia A. A. Heller 1902-6-7 5656 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CDA15313  Lythrum salicaria Lane 1998-8-2 s.n. Sonoma Park Ave. Turf, 3075 Old Graverstein Hwy, Sebastopol. 0 Comment
  CDA19068  Lythrum salicaria L. Correia 2001-7-16 PDR P 117378 Sonoma North Coast Ranges; N bank Russian River at Rio Nido and to east ~ 0.5 mi 0 Comment
  CAS-BOT-BC166909  Madia Peter Rubtzoff 1955-9-25 2161 Sonoma Forestville Marsh area. Comment
  CAS-BOT-BC173551  Madia Peter Rubtzoff 1974-6-22 7623 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC344050  Madia elegans John Thomas Howell 1930-7-13 5341 Sonoma Black Point Road Comment
  UC523534  Madia elegans David D. Keck 1933-11-6 2646 Sonoma 1 mi n of Freestone; Occidental Comment
  RSA81543  Madia elegans subsp. densifolia James I. McMurphy 1909-8-10 716 Sonoma West Santa Rosa Comment
  CAS-BOT-BC344552  Madia exigua Roxana S. Ferris; Laura Lorraine 1961-6-15 13564 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road Comment
  CAS-BOT-BC344554  Madia exigua Greg de Nevers 1990-5-1 9661 A Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  RSA144401  Madia exigua Roxana S. Ferris, Laura Lorraine 1961-6-15 13564 Sonoma Harrison Grade, 1.3 mile from junction with Green Valley Road Comment
  CAS-BOT-BC157687  Madia exigua Peter Rubtzoff 1962-6-8 4882 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC343470  Madia gracilis Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 6 miles east of Stewarts Point Comment
  SD112630  Madia gracilis Darley F. Howe 1963-5-23 3524 Sonoma 2.8 miles north of Cloverdale on #128 245 Comment
  CAS-BOT-BC345215  Madia sativa John Thomas Howell 1932-9-17 10764 Sonoma Near Kenwood Comment
  CAS-BOT-BC345257  Madia sativa H. D. Ripley; R. C. Barneby 1945-6-22 6942 Sonoma North of Jenner 30 Comment
  CAS-BOT-BC345259  Madia sativa David D. Keck 1933-11-6 2653 Sonoma 6.5 mi. N. of Jenner Comment
  RSA785885  Madia sativa Peter Rubtzoff 1974-6-22 7623 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC348033  Mantisalca salmantica M. A. King 1897-8-1 s.n. Sonoma Healdsburg Comment
  SBBG32440  Marah fabacea L. S. Rose 1962-4-18 62026 Sonoma Laguna de Santa Rosa, 2 mi NE of Graton 30 Comment
  POM59382  Marah fabacea A. A. Heller, H. E. Brown 1902-4-15 5300 Sonoma Santa Rosa Creek Comment
  CAS-BOT-BC268063  Medicago Peter Rubtzoff 1973-8-21 7246 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  CAS-BOT-BC268106  Medicago Peter Rubtzoff 1969-6-22 6102 Sonoma Forest Hills, 5.5 miles east of Guerneville at 9981 Old River Road. Comment
  UCD166176  Medicago lupulina Peter Rubtzoff 1969-6-22 6102 Sonoma Forest Hills, 5.5 miles east of Guerneville at 9981 Old River Road. Comment
  CAS-BOT-BC269516  Melica californica A. A. Heller 1902-4-23 5351 Sonoma Near Sonoma Comment
  CAS-BOT-BC269518  Melica californica A. A. Heller 1902-4-9 5246 Sonoma In a railroad cut three miles south of Healdsburg Comment
  POM204773  Melica harfordii W. C. Blasdale, Jos Burtt Davy 1899-7-22 6001 Sonoma Guerneville. Comment
  RSA123516  Melica harfordii H. S. Yates 1936-5-16 5615 Sonoma 2 miles northwest of Mountain View School. 76 Comment
  UC60773  Melica harfordii J. Burtt Davy 1896-7-29 Sonoma Redwood Ridge; Russian River Comment
  UCD87382  Melica harfordii Beecher Crampton 1955-6-8 2827 Sonoma Sonoma County, 7 miles northwest of Calistoga, along State Highway 128. Comment
  CAS-BOT-BC262556  Melica torreyana Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy 3 miles north of Occidental Comment
  CAS-BOT-BC262558  Melica torreyana Peter Rubtzoff 1952-6-3 1161 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  HSC10374  Melica torreyana L. S. Rose 1965-4-4 65022 Sonoma 1 mi. N of Sonoma. 61 Comment
  RSA74447  Melica torreyana Milo S. Baker 1947-5-30 11777 Sonoma It is located 2 miles NE of Occidental along Harrison Grade. Comment
  UC1024769  Melica torreyana Leo Whitney 1935-4-14 2259 b Sonoma near Occidental (Blunden's Pasture) Comment
  UC1146646  Melica torreyana Freed W. Hoffman 1941-6-1 2187 Sonoma Oregon Canyon; North Coast Ranges Comment
  SEINET10599670  Melica torreyana A. Arthur Heller 1902-3-27 Heller 5160 Sonoma Western base of Mt. Hood. Comment
  SEINET12165192  Melilotus indicus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -163 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 120 Comment
  UCD81449  Melilotus indicus M. Wiesendanger 1927-5-5 717 Sonoma Sonoma. Comment
  UCR279859  Melissa officinalis Peter Rubtzoff 1965-9-5 5639 Sonoma North Coast Ranges, Forest Hills, 5.5 miles east of Guerneville 9 Comment
  CAS-BOT-BC157655  Mentha Peter Rubtzoff 1965-8-29 5627 Sonoma Russian River bottom at Forest Hills (5.5 mi. E of Guerneville). Comment
  RSA785215  Mentha Peter Rubtzoff 1956-9-15 2899 Sonoma Atascadero Creek Marsh. Comment
  RSA785672  Mentha Peter Rubtzoff 1960-9-17 4567 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  UCR244599  Mentha X piperita Peter Rubtzoff 1960-9-17 4564 Sonoma Laguna de Santa Rosa northeast of Graton, near Guerneville Road Comment
  UCD148406  Mentha canadensis Peter Rubtzoff 1958-8-16 3882 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  JEPS63448  Mentha pulegium W. L. Jepson 1903-10-4 2363 Sonoma near Monte Rio (Bohemian Club Grove, moist bed of winter pond); Bohemian Club Grove Comment
  SEINET12330323  Mentha pulegium W. Knight, Knight, I. 1984-1 5429 Sonoma Willow Creek Road 61 Comment
  UC187861  Mentha pulegium Edw. L. Greene 1888-8-30 Sonoma above S. Rosa <Santa Rosa?> (<Santa Rosa?>); above S. Rosa <Santa Rosa?> Comment
  UCD125123  Mentha pulegium Mary M. Hektner 1974-9-12 183 Sonoma Sea Ranch. Near State Highway 1. Unit 7 Owners' Map. Comment
  UCD148373  Mentha pulegium Peter Rubtzoff 1955-10-12 2165 Sonoma Duncans Mills Marsh, lower portion of marsh. Comment
  RSA784551  Mentha spicata Peter Rubtzoff 1968-8-24 5932 Sonoma Upper Salmon Creek Marsh. Comment
  UCD165333  Mentha suaveolens Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh. Comment
  UCR244650  Mentha suaveolens Peter Rubtzoff 1973-9-9 7316 Sonoma Kenwood Marsh 120 Comment
  JEPS87221  Mentzelia dispersa Jack and Betty Guggolz 1992-6-13 1314 Sonoma e Geyserville; Black Mountain, Anderson Trail; on the west side of Black Mountain NW 1/4 of NW1/4 615 Comment
  JEPS42864  Mentzelia laevicaulis var. laevicaulis Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  RSA201428  Micropus amphibolus J. T. Howell 1965-3-25 s.n. Sonoma 3 miles southeast of Sonoma 76 Comment
  CAS-BOT-BC348626  Micropus californicus var. californicus David D. Keck 1933-5-28 2325 Sonoma 3.4 miles east of Shellville (just east of intersection of Sonoma road) Comment
  CAS-BOT-BC348628  Micropus californicus var. californicus G. DeNevers 1981-5-30 1359 Sonoma Pepperwood Ranch. Above Pippindale Pond Comment
  RSA52653  Micropus californicus var. californicus I. L. Wiggins 1949-4-30 12069 Sonoma 4 miles W of Calistoga, just W of country line. Comment
  POM53389  Microseris douglasii subsp. douglasii Edward L. Greene 1892-4-23 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC322710  Microseris laciniata John Thomas Howell; Alice Eastwood 1938-7-6 6086 Sonoma Alder Glen Springs Comment
  CAS-BOT-BC322711  Microseris laciniata John Thomas Howell; Alice Eastwood 1936-5-19 2504 Sonoma 11 miles north of Santa Rosa Comment
  CAS-BOT-BC311860  Mimulus Peter Rubtzoff 1960-6-12 4505 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC320519  Mimulus Peter Rubtzoff 1974-5-26 7484 Sonoma Vernal pool area on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  CAS-BOT-BC311861  Mimulus Peter Rubtzoff 1972-5-25 6753 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC311863  Mimulus Peter Rubtzoff 1962-6-13 4898 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC312698  Mimulus Peter Rubtzoff 1964-7-29 5442 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC312708  Mimulus Peter Rubtzoff 1969-5-24 6060 Sonoma Vernal pool 6.5 miles northeast of Penngrove, on Lichan Road 426 Comment
  CAS-BOT-BC320517  Mimulus Peter Rubtzoff 1963-6-18 5173 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC320555  Mimulus Peter Rubtzoff 1964-5-20 5321 Sonoma Bodega Bay Marsh. Comment
  UCD122641  Mimulus arvensis Botany 102 Students 1993-5-8 276 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
  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
  UCD122189  Mimulus aurantiacus Valerie Bullock 1993-5-8 216 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At hillside on base of woodland. 365 Comment
  UCSB22998  Mimulus aurantiacus var. aurantiacus McCarthy, Sharon 1965-4-16 Sonoma North of junction between 5th Street and Verano Ave., Sonoma Comment
  JEPS86943  Mimulus congdonii David M. Thompson 1989-4-4 994 Sonoma ca. 3 air mi e Glen Ellen (3.9 mi ne of Hwy 12 along Cavedale Road, w side of road, 5 ft s of entrance to 3845-3850-3860 private driveway) 180 Comment
  UCR248894  Mimulus guttatus Peter Rubtzoff 1958-7-5 3748 Sonoma Atascadero Creek Marsh Comment
  RSA0022509  Mimulus guttatus Peter Rubtzoff 1960-6-9 4486 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  UC1012405  Mimulus microphyllus Francis W. Pennell Jul 2 1940-Jul 3 1940 26039 Sonoma ne Kenwood Springs 396 Comment
  UCD122689  Mimulus microphyllus Janet McIntosh 1966-4-27 21 Sonoma 8 miles east of Petaluma, State Highway 116. 76 Comment
  UCD122794  Mimulus moschatus Frederica Bowcutt 1997-7-18 2173 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 662 Comment
  JEPS10583  Mimulus pilosus W. L. Jepson 1921-9-8 9432 Sonoma ne Healdsburg; Lytton School Comment
  JEPS3029  Mimulus tricolor Milo S. Baker 1952-4-30 12408 B Sonoma along road near Summit Bennett Valley rd. Comment
  UC8088  Minuartia californica State Survey 1862-4-18 975 Sonoma near Sonoma Comment
  UCD98267  Minuartia douglasii Roxana S. Ferris; Laura Lorraine 1961-6-14 13522 Sonoma junction of Bittner Road with Joy Road, between Occidental and Bodega. Comment
  POM161866  Modiola caroliniana Rimo Bacigalupi 1928-6-18 1904 Sonoma Beach at mouth of Salmon Creek, 2 miles N of Bodega Bay. Comment
  CAS-BOT-BC435115  Mollugo verticillata James McMurphy 1906-7-16 s.n. Sonoma Fulton Comment
  NY429328  Monardella coriacea A. A. Heller 1902-7-8 5812 Sonoma Sandy bank of Russian River at Healdsburg Comment
  CAS-BOT-BC220388  Monardella purpurea R. F. Hoover 1965-6-29 9474 Sonoma North of summit on Harrison Grade road near Occidental Comment
  CAS-BOT-BC220386  Monardella purpurea Milo S. Baker 1947-5-30 11781 Sonoma Harrison Grade, ca 2 mi. N.E. of Occidental Comment
  UCD125197  Monardella purpurea Walter Knight; Irja Knight, Roger Raiche, Steve Edwards Date Unknown 4756 Sonoma The Cedars; near Cazadero on Twitchell Ranch. Comment
  JEPS128225  Monardella villosa Roger Raiche 2000-7-15 138 .00 Sonoma The Cedars. Campbell Ranch. Lower Russian River, Big Austin Creek watershed. Comment
  UCD160824  Monardella villosa James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3362 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  UCD38476  Monardella villosa Beecher Crampton 1955-6-17 2970 Sonoma State Hwy. 1, 3.5 miles south of Fort Ross. Road cut on bluffs above the sea. Comment
  UC1561918  Monardella villosa subsp. franciscana Barbara Ertter 1989-6-19 8592 Sonoma Dry knoll S of junction Highway 1 and road to Goat Rock Beach S Russian River Comment
  CAS-BOT-BC314177  Monardella villosa subsp. subserrata C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  CAS-BOT-BC318600  Monardella villosa subsp. subserrata J. W. Congdon 1880-6-20 47 Sonoma Petaluma Comment
  RSA0022780  Monardella villosa subsp. subserrata L. S. Rose 1965-7-3 65081 Sonoma 2 mi. north of Sonoma. 274 Comment
  CHSC68008  Monardella villosa subsp. villosa James Jokerst 1985-5-29 2387 Sonoma Near Cobb Mountain. 1126 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-BC314183  Monardella villosa subsp. villosa A. L. Graff 1926-6-1 s.n. Sonoma Near Cazadero. Comment
  CAS-BOT-BC220700  Monardella viridis Milo S. Baker 1928-7-1 3346 a Sonoma Not certain but think Hope Val. Along Hiway near turn to Boulsen's Comment
  CAS-BOT-BC220701  Monardella viridis Roger Raiche; Steve Edwards; Walter Knight; Irja Knight 1983-7-3 4756 Sonoma The Cedars, near Cazadero on Twitchell Ranch 228 Comment
  UC1995308  Monardella viridis Milo S. Baker 1934-6-20 7654 Sonoma 2 1/2 mi ne Glen Ellen (Youngman Ranch) Comment
  UC50091  Monolopia major H. N. Bolander 1866-4-18 4665 Sonoma Petaluma Comment
  CAS-BOT-BC445001  Montia fontana Peter Rubtzoff 1966-4-30 s.n. Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road. Comment
  CAS-BOT-BC445003  Montia fontana Peter Rubtzoff 1966-4-30 5685 Sonoma North side of Hwy 116 0.5 mile northwest of Stony Point Road crossing. Comment
  JEPS43265  Montia fontana Alice King Apr. 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC445000  Montia fontana Peter Rubtzoff 1952-3-23 900 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC445060  Montia linearis Alice Eastwood 1921-4-24 10348 Sonoma Santa Rosa Comment
  CDA42984  Morella californica L. Ahart, Marge Anthony, John Dittes, Josephine Guardino 2013-4-25 18601 Sonoma North Coast; Near the edge of a residential driveway, 0.7 miles (air) east of Pacific Ocean, 0.8 miles (air) west of Gualala River. Comment
  JEPS21579  Myosotis discolor Lauramay T. Dempster 1958-5-24 1104 Sonoma Pitkin Ranch, Pitkin Marsh Comment
  JEPS23885  Myosotis discolor G. Thomas Robbins 1937-5-23 198 Sonoma ca. 10 mi. w. Santa Rosa (marsh on Pitkin Ranch); Vine Hill region, Pitkin Ranch Comment
  UCSB5631  Myosotis discolor Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; northwest of Sebastopol; 1 miles north of Sousa Corners Comment
  RSA94652  Myrica californica Peter Rubtzoff 1952-3-23 876 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the upper marsh. Comment
  UCD166107  Myriophyllum Peter Rubtzoff 1971-9-3 6702 Sonoma Spring Creek Reservoir area. Comment
  CAS-BOT-BC251163  Myriophyllum aquaticum Peter Rubtzoff 1970-8-18 6318 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC251160  Myriophyllum hippuroides Peter Rubtzoff 1962-8-3 5021 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC376236  Myriophyllum hippuroides Greg de Nevers 1996-10-18 10887 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Biggest Double Pond 487 Comment
  CAS-BOT-BC251161  Myriophyllum hippuroides Peter Rubtzoff 1966-8-21 5797 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC456195  Najas guadalupensis Greg de Nevers 1996-10-18 10885 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Biggest Double Pond. 487 Comment
  CAS-BOT-BC60515  Nasturtium officinale Peter Rubtzoff 1951-6-9 158 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  JEPS70317  Navarretia heterodoxa Milo S. Baker 1928-6-16 3041 b Sonoma Hope Valley, n of Barber Ranch Hope Valley Comment
  CAS-BOT-BC230370  Navarretia leucocephala subsp. bakeri Peter Rubtzoff; Nancy Harrison 1976-6-18 8647 Sonoma False Lake Meadow area, Annadel State Park Comment
  CAS-BOT-BC230371  Navarretia leucocephala subsp. bakeri Peter Rubtzoff; Nancy Harrison 1974-5-26 7466 Sonoma On Bennett Valley Road, 4.25 miles W of Glen Ellen Comment
  CAS-BOT-BC230373  Navarretia leucocephala subsp. bakeri Alice Eastwood; John Thomas Howell 1936-5-19 2520 Sonoma 2 miles N of Windsor Comment
  JEPS86768  Navarretia leucocephala subsp. bakeri Jack and Betty Guggolz 1990-4-6 1030 Sonoma about 1.25 mi nw old Windsor (n side Promenade Lane and e of Herb Lane [Road]) 41 Comment
Read comments
May 29 2009
  SDSU3220  Navarretia pubescens D. F. Howe 1963-7-2 3574 Sonoma 3.5 miles south of Guerneville on #12. 30 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
  UC1719859  Navarretia tagetina David Fruchter 1978-9-17 96 Sonoma Diamond D. Comment
  UC880884  Nemophila heterophylla Alice Eastwood 1918-5-1 6841 Sonoma Mt. St. Helena Comment
  HSC34933  Nemophila menziesii Thomas W. Nelson, MarJames Nelson 1975-3-25 1755 Sonoma Beside Hwy. 128 E of Geyserville Comment
  JEPS1477  Nemophila menziesii var. atomaria Eleanor Armstrong 1933-4-15 748 Sonoma Bodega Hill 6 Comment
  UC24253  Nemophila menziesii var. atomaria Michener and Bioletti Mar 1891 Sonoma Sonoma Comment
  UC24263  Nemophila menziesii var. atomaria Milo S. Baker 1902-3-31 Sonoma Kenwood Comment
  CDA20963  Nemophila menziesii var. atomaria G. F. Hrusa, R. Gross 1998-3-14 14152 Sonoma North Coast Biodiversity Arena; Foote Ranch, NW base of Mt. St. Helena, corner of Ida Clayton Rd. & Hwy 128. Comment
  UC24256  Nemophila menziesii var. atomaria W. A. Setchell March, 1898 Sonoma Cloverdale Comment
  POM126455  Nemophila menziesii var. menziesii H. P. Chandler 1907-4-28 7551 Sonoma Santa Rosa to Calistoga. Comment
  RSA791569  Nicotiana acuminata Peter Rubtzoff 1961-6-7 4618 Sonoma Laguna de Santa Rosa, about 1 mi SE of Trenton. Comment
  RSA0060128  Nicotiana quadrivalvis Barbara Ertter 1988-11-5 8030 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  UC26162  Nicotiana quadrivalvis J. B. Davy Jul 1896 Sonoma near Russian River Station Comment
  SD88473  Nuphar polysepala Darley F. Howe 1972-6-27 4840 Sonoma Duncan Mills Pond Comment
  CAS-BOT-BC400125  Nuphar polysepala Peter Rubtzoff 1964-8-20 5468 Sonoma 1 mi. southeast of Jenner (nr. crossing of Hwys. 1 & 12) Comment
  RSA20410  Oenanthe sarmentosa Roxana S. Ferris 1937-8-18 9376 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  CHSC114375  Onopordum illyricum Andrew Smith 2011-12-21 PDR 1604230 Sonoma Santa Rosa; Pepperwood Preserve; 3450 Franz Valley Rdl, near Mark West Springs Rd. Comment
  CAS-BOT-BC499696  Orobanche californica subsp. californica Steve Edwards 1984-7-22 s.n. Sonoma N end of prairie, N of Duvoul Cr., N of Camp Meeker, E of Highway Comment
  JEPS67154  Orobanche californica subsp. grayana Peter Rubtzoff 1971-8-23 6648 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC361408  Orobanche fasciculata Greg de Nevers 1997-5-17 11004 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. On Oak Hill Ranch burn. 457 Comment
  CAS-BOT-BC243696  Orobanche valida subsp. howellii Donald V. Hemphill 1963-9-21 s.n. Sonoma Head of Yellow Jacket Creek, Mt. St. Helena 1310 Comment
  POM209739  Orthocarpus densiflorus H. E. Parks, Susan T. Parks 1930-5-7 632 Sonoma North end of Knight's Valley. 107 Comment
  POM15720  Orthocarpus erianthus A. A. Heller, H. E. Brown 1902-4-4 5219 Sonoma Hills east of Santa Rosa Comment
  RSA34074  Orthocarpus faucibarbatus A. A. Heller 1940-4-22 15555 Sonoma At Windsor. Comment
  RSA789045  Orthocarpus faucibarbatus Carrie A. Herd 1982-4-25 75 Sonoma Crane Creek Regional Park. Comment
  SD88310  Osmorhiza berteroi Darley F. Howe 1972-5-2 Sonoma Trail above Duncan Mills Pond. Comment
  UC17220  Oxalis oregana J. Burtt Davy 1896-3-13 1638 Sonoma Duncan's Mills Comment
  UC455385  Oxalis oregana I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UC91652  Packera greenei Brandegee May 1890 Sonoma Mt. St. Helena Comment
  UCD166341  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC1131619  Panicum acuminatum var. acuminatum H. S. Yates 1936-5-16 5589 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  UCD88194  Panicum acuminatum var. fasciculatum A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3585 Sonoma North facing slope in chapparral. 3 1/2 miles west of Occidental on road to Molino. Comment
  UCD88550  Panicum acuminatum var. fasciculatum Mary M. Hektner 1974-7-6 132 A Sonoma Unit 34-A Owners' Map, Sea Ranch. Comment
  UCD89132  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers, Comment
  SEINET11686588  Panicum capillare subsp. hillmanii W. Knight, Knight, I.; Edwards, S. W. 1984-1 5070 Sonoma along Willow Creek near Stony Point Road betwen Corona Road and Old Redwood Hwy 6 Comment
  UCD88621  Parapholis incurva Beecher Crampton 1957-7-11 4316 Sonoma western edge of Bodega Harbor. About 2 miles, by road, west of the town of Bodega Bay. Comment
  CAS-BOT-BC253935  Parapholis incurva Catherine Best 1981-5-2 s.n. Sonoma At the mouth of the Russian River, S side Comment
  SJSU5985  Parentucellia viscosa C. W. Sharsmith 1972-6-24 7806 Sonoma edge of Pitkin Marsh c. 1.5 mi SE of Forestville N of Sebastopol 48 Comment
  RSA47561  Parentucellia viscosa L. Beane, Lois E. James 1949-5-16 1963 Sonoma About 2 mi. S of Cloverdale. Comment
  UCD148512  Paspalum distichum Peter Rubtzoff 1965-8-16 5607 Sonoma Russina River margin at Forest Hills (5.5 miles E of Guerneville). Comment
  UC76109  Pedicularis densiflora Milo S. Baker 1898-4-2 Sonoma near Forestville Comment
  SEINET12327822  Pedicularis densiflora F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -086 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  UC399517  Pellaea andromedifolia Michener and Bioletti March 1893 Sonoma Hood's Peak Comment
  SEINET12326114  Penstemon heterophyllus W. Knight, Knight, I. 1983-1 4710 Sonoma Calistoga Rd 2.5 mi from State Route 12,300 yds S of summit 152 Comment
  NY811992  Penstemon heterophyllus var. heterophyllus J. L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 miles south of Trinity Road and about 5 miles northeast of California Highway 12, about 13 airline miles southeast of Santa Rosa 640 Comment
  NY627433  Penstemon newberryi var. sonomensis A. A. Heller 1902-5-29 5626 Sonoma Mt. Hood Comment
  OBI59451  Perideridia gairdneri subsp. gairdneri L. Constance, T. I. Chuang 1965-2-1 3766 Sonoma Marsh on Atascadero Creek 1 mi NW of Graton. 183 Comment
  RSA217993  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-7-30 5778 Sonoma Atascadero Creek Marsh Comment
  RSA264720  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1975-8-16 8328 Sonoma Bennett Mountain Lake, near south side of lake Comment
  HSC100975  Perideridia kelloggii Peter Warner 2011-8-10 226 Sonoma Jenner Headlands property, Muniz Ranch Rd., about 0.5 mi. N from Hwy. 1 intersection. 55 Comment
  RSA97466  Perideridia kelloggii F. W. Peirson 1925-8-8 6343 Sonoma 5 miles south of Santa Rosa Comment
  UCD127853  Perideridia kelloggii Mary M. Hektner 1976-10-19 271 Sonoma north of draw by intersection of Pacific Reach Road and Wilel Moor Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC413663  Persicaria amphibia Peter Rubtzoff 1960-5-29 4425 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC413660  Persicaria amphibia Peter Rubtzoff 1966-8-16 5781 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Rd. Comment
  CAS-BOT-BC413661  Persicaria amphibia Peter Rubtzoff 1966-10-9 5834 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Rd. Comment
  CAS-BOT-BC418896  Persicaria hydropiperoides Greg de Nevers 1987-7-10 8237 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC419266  Persicaria maculosa Peter Rubtzoff 1951-7-14 4 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC419268  Persicaria maculosa Peter Rubtzoff 1966-8-25 5798 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC356065  Petasites Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  CAS-BOT-BC173687  Petasites frigidus var. palmatus Peter Rubtzoff 1960-6-10 4495 Sonoma Fife Creek Marsh. Comment
  UCD98399  Petrorhagia nanteuilii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 67 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road. 259 Comment
  UC1602000  Phacelia californica H. S. Yates 1934-4-21 3781 Sonoma near Bodega; Sebastopol Quadrangle Comment
  UC753396  Phacelia californica Florence Signaigo and Thomas Morley 1946-5-19 129 Sonoma Vine Hill School rd 5-6 mi n Sebastopol 30 Comment
Read comments
Dec 30 2011
  UC923118  Phacelia californica Freed W. Hoffman 1950-6-1 3324 Sonoma Kruz Ranch North Coast Ranges (on coast) Comment
  UCD120296  Phacelia californica Frederica Bowcutt; Joy Keeney, Adam Greene 1994-5-21 1808 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Meadow trail appx. 1/2 mi from trailhead. 396 Comment
  SD41351  Phacelia distans Edith A. Purer 1932-7-21 4832 Sonoma Bodega Bay Comment
  SD72106  Phacelia distans H. S. Yates 1934-4-21 Sonoma Near Bodega Comment
  JEPS2011  Phacelia distans Willis L. Jepson 1893-4-25 21016 Sonoma mts. w Mt. St. Helena (trail to Caux's Cabin); Napa River Basin Comment
  SBBG32318  Phacelia distans L. S. Rose 1964-4-4 65021 Sonoma 1 mi N of Sonoma 60 Comment
  UCD160135  Phacelia imbricata James A. Neilson Jr. 1973-6-7 2972 Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 365 Comment
  SD99425  Phacelia imbricata var. imbricata Christopher Davidson 1977-6-20 6019 Sonoma Dry Creek Road, 9.3 miles west of Geyserville. 91 Comment
  JEPS41073  Phacelia suaveolens var. suaveolens Rimo Bacigalupi and L. R. Heckard, J. R. Sweeney 1965-5-16 9110 Sonoma 1 1/4 mi due w of Sonoma-Napa County Line (along Franz Valley School Road); Franz Valley School Road 219 Comment
  RSA0022999  Phalaris Peter Rubtzoff 1975-7-3 8149 Sonoma Kenwood Marsh. Comment
  UC1146585  Phalaris aquatica Freed W. Hoffman 1943-6-1 2218 Sonoma near Guerneville (Lone Mountain Farm); North Coast Ranges, Lone Mountain Farm Comment
  UC1146650  Phalaris arundinacea Freed W. Hoffman June 1944 2027 Sonoma near Guerneville; North Coast Ranges Comment
  CDA32602  Phalaris californica P. B. Kennedy 1919-5-16 Sonoma Del Mar. 0 Comment
  CAS-BOT-BC265916  Phalaris lemmonii Alice Eastwood; John Thomas Howell 1936-5-19 2507 Sonoma 2 miles N of Windsor Comment
  UC933815  Phalaris minor Leo Koch 1940-4-24 852 Sonoma at Cuttings Wharf near Petaluma; near Petaluma Comment
  UCD89315  Phleum alpinum P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC260877  Phleum pratense Peter Rubtzoff 1951-7-7 382 Sonoma Eastern branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC260879  Phleum pratense John Thomas Howell 1945-8-14 21397 Sonoma Perry Marsh Comment
  SEINET12330326  Phlox speciosa Unknown 1985-1 50169 Sonoma W of Healdburg, Dry Crk area, ridge W side of Dry Creek Valley, N of Dorman Canyon on Bradford Mt 244 Comment
  CAS-BOT-BC171216  Phoradendron serotinum subsp. tomentosum F. G. Krauss 1895-2-23 s.n. Sonoma Knights Valley Comment
  CAS-BOT-BC171218  Phoradendron serotinum subsp. tomentosum G. De Nevers 1981-9-5 1805 Sonoma Pepperwood Ranch. Near Hansel's Well Comment
  UCD160920  Phragmites australis James A. Neilson Jr. 1975-7-8 3383 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  CDA16372  Phyllospadix scouleri G. F. Hrusa 2000-11-13 15717 Sonoma Kortum trail head to Goat Rock. Comment
  UC1977004  Phyllospadix scouleri H. W. Johansen 1963-5-26 1153 Sonoma Bodega Head. S. Shsore, Horseshoe C. Comment
  CAS-BOT-BC140625  Physocarpus capitatus Peter Rubtzoff 1955-5-21 1874 Sonoma Forestville Marsh Comment
  CAS-BOT-BC366871  Physocarpus capitatus Greg de Nevers 1998-4-27 11197 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  HSC15049  Pickeringia montana R. Spellenberg 1964-6-15 405 Sonoma 5 mi. W of The Geysers on road from Geyserville Comment
  CAS-BOT-BC173673  Picris echioides Peter Rubtzoff 1969-8-26 6152 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  RSA796379  Picris echioides Peter Rubtzoff 1955-9-24 2155 Sonoma Duncan Mills Marsh Comment
  NY61622  Pinus lambertiana Collector unspecified s.n. Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD138999  Piperia elegans K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC361422  Piperia elongata Greg de Nevers 1993-7-8 10472 Sonoma Field redacted by CAS, contact the data manager for more information 400 Comment
  UCSC008261  Piperia elongata Randall Morgan 1989-1-1 1326 -P Sonoma Sugarloaf Ridge State Park Comment
  CAS-BOT-BC368049  Piperia transversa Greg de Nevers 1989-6-8 9073 Sonoma Field redacted by CAS, contact the data manager for more information 400 Comment
  CAS-BOT-BC166774  Plagiobothrys Peter Rubtzoff 1972-4-23 6735 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC166944  Plagiobothrys Peter Rubtzoff 1969-5-3 6018 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC169560  Plagiobothrys Greg de Nevers 2002-5-8 12670 Sonoma Glen Ellen, Bouverie Preserve 152 Comment
  UCR244646  Plagiobothrys Peter Rubtzoff 1969-5-3 6012 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastopol 21 Comment
  UCR279873  Plagiobothrys Peter Rubtzoff 1969-5-24 6062 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road 427 Comment
  CDA13131  Plagiobothrys bracteatus G. F. Hrusa, R. Gross 1996-6-3 13066 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
  RSA785158  Plagiobothrys bracteatus Peter Rubtzoff 1969-5-3 6012 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UC1229794  Plagiobothrys bracteatus Robert Ornduff 1960-4-21 6073 Sonoma in midst of housing development on both sides Hayes St. (s of Sonoma Elementary School, w edge of Sonoma); Sonoma Comment
  UCD150129  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-11 s.n. Sonoma Northwest of the city of Santa Rosa, S of River Rd and W of Fulton Rd. Just N of Wood Rd. Sampling pool #4. 44 Comment
  CAS-BOT-BC228115  Plagiobothrys chorisianus John H. Thomas 1976-6-16 18256 Sonoma Southern part of Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  JEPS117070  Plagiobothrys greenei Peter Warner 2010-3-30 128 Sonoma Annadel State Park, east of Santa Rosa; approx. 200 m south of Cobblestone Trail, approx. 1 km west of Channel Drive. Comment
  UC353901  Plagiobothrys greenei Milo S. Baker 1927-5-8 2131 a Sonoma at road near Summit Comment
  UCR119034  Plagiobothrys nothofulvus Beecher Crampton 1955-4-5 2414 Sonoma Santa Rosa Area, 2 miles southwest of Windsor 91 Comment
  CAS-BOT-BC368047  Plagiobothrys reticulatus var. reticulatus Greg de Nevers 1989-4-1 9070 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Murrys Gate. 400 Comment
  UCR255045  Plagiobothrys reticulatus var. reticulatus Greg de Nevers 1989-1 9070 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  SJSU5863  Plagiobothrys reticulatus var. rossianorum S. H. Casey 1969-5-13 241 Sonoma Sea Ranch 3 mi N of Stewarts Point Comment
  POM226100  Plagiobothrys stipitatus J. T. Howell 1933-4-1 10922 Sonoma Petaluma Comment
  UC353910  Plagiobothrys stipitatus Milo S. Baker 1927-4-9 2053 a Sonoma ca 1 mi w Monroe School House (Forestville Road) Comment
  RSA51316  Plagiobothrys stipitatus P. H. Raven 1950-4-6 1570 Sonoma Cotati to Santa Rosa. 30 Comment
  UCR279854  Plagiobothrys undulatus Peter Rubtzoff 1972-6-11 6780 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC290692  Plantago Peter Rubtzoff 1971-7-3 6586 Sonoma Marsh in dunes near (south of) U.C. Bodega Marine Laboratory dormitory. Comment
  JEPS128243  Plantago erecta Roger Raiche 2000-5-4 070 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD81451  Plantago lanceolata M. Wiesendanger 1927-5-5 718 Sonoma Sonoma. Comment
  UCD124370  Plantago maritima Frederica Bowcutt 1984-6-23 452 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. West of Highway 1. North of Gerstle Cove about 1/2 mile. Salt Point State Park. 15 Comment
  UCR143603  Plantago maritima G. F. Pratt, C. Pierce 2003-6-12 s.n. Sonoma Pacific Coast, Salt Point State Park 12 Comment
  UC855260  Platystemon californicus Alice Eastwood 1915-6-29 4862 Sonoma Bodega Point Comment
  UC796640  Plectritis macrocera Ira L. Wiggins 1949-4-30 12060 Sonoma 6.8 mi e of Santa Rosa (on road to Calistoga) Comment
  CAS-BOT-BC260925  Pleuropogon californicus Mary P. Wells 1984-4-23 189 Sonoma Rincon Valley, Santa Rosa Comment
  JEPS86342  Pleuropogon californicus Jack and Betty Guggolz 1988-3-16 903 Sonoma at the nw corner of the intersection of Fulton Road and Wood Road Comment
Read comments
Jun 29 2008
  UC1533103  Pleuropogon californicus Rocky Thompson 1975-4-14 Sonoma ca 0.5 mi s, on Todd Rd Jct Todd Rd and Llano Rd Comment
  UCR244671  Pleuropogon californicus Peter Rubtzoff 1966-4-30 5686 Sonoma North side of Hwy 116, 0.5 miles northwest of Stony Point Road crossing Comment
  CAS-BOT-BC260967  Pleuropogon californicus var. californicus John R. Reeder; Charlotte G. Reeder 1973-5-28 6197 Sonoma Ca. 12 miles S of Dixon, ca. 1 mile SW of Dozier Station 30 Comment
  CAS-BOT-BC260975  Pleuropogon californicus var. californicus Peter Rubtzoff 1958-4-26 3600 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC260969  Pleuropogon californicus var. californicus K. Wagnon 1939-5-11 191 Sonoma In sink east of Santa Rosa Fair Grounds Comment
  POM205011  Pleuropogon californicus var. californicus A. A. Heller 1902-4-15 5294 Sonoma Santa Rosa. Comment
  RSA127248  Pleuropogon californicus var. californicus J. T. Howell 1944-5-14 19484 Sonoma Between Petaluma and Chileno Valley. Comment
  RSA178008  Pleuropogon californicus var. californicus R. F. Thorne 1965-4-19 34263 Sonoma Cotati, Waters Ranch 30 Comment
  UCD90182  Pleuropogon californicus var. californicus R. Tofsrud 1942-4-1 s.n. Sonoma 1/2 mile north of Lewis School, Santa Rosa. Comment
  CAS-BOT-BC368028  Poa Greg de Nevers 1998-6-10 11281 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  CAS-BOT-BC255607  Poa annua Mary P. Wells 1985-9-9 616 Sonoma At Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC255609  Poa annua G. DeNevers 1981-3-14 544 Sonoma Pepperwood Ranch. Pippindale farm, 7 miles NE of Santa Rosa near Mark West lodge, along Leslie Road, opposite the grey willows Comment
  UCD55143  Poa annua Ellen Dean; Tammie Beyerl 2006-4-28 3025 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. At inlet of small reservoir SE of Pepperwood lake reservoir. 163 Comment
  SEINET10659229  Poa douglasii A. Arthur Heller 1902-5-29 Heller 5187 Sonoma Bodega Bay. Comment
  CAS-BOT-BC255851  Poa kelloggii P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar Comment
  CAS-BOT-BC256032  Poa pratensis Peter Rubtzoff 1961-5-24 4594 Sonoma Upper Stemple Creek Marsh Comment
  CAS-BOT-BC256034  Poa pratensis Peter Rubtzoff 1958-5-3 3612 Sonoma Atascadero Creek Marsh Comment
  JEPS45816  Poa secunda subsp. secunda Eleanor Armstrong 1932-5-19 163 Sonoma 1/4 mi n Santa Rosa 60 Comment
  UCD90791  Poa secunda subsp. secunda Beecher Crampton 1955-4-5 2402 Sonoma 2 miles N of Healdsburg, along US Hwy 101. Comment
  UCD91719  Poa secunda subsp. secunda David L. Morgan 1961-4-12 s.n. Sonoma SW of Cotati. Comment
  CAS-BOT-BC243256  Poa secunda subsp. secunda G. DeNevers 1982-3-28 1943 A Sonoma Sugarloaf Ridge State Park, near the parking lot Comment
  CAS-BOT-BC244196  Poa trivialis Peter Rubtzoff 1960-6-8 4466 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC244198  Poa trivialis Peter Rubtzoff 1955-7-17 1972 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC312677  Poaceae Peter Rubtzoff 1964-5-31 s.n. Sonoma Fitch Mountain Grove, near Healdsburg, along Russian River. Comment
  CAS-BOT-BC361406  Poaceae Greg de Nevers 1993-8-21 10491 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. Along Franz Creek 457 Comment
  CAS-BOT-BC376367  Poaceae Greg de Nevers 1992-6-26 10193 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Creek. 400 Comment
  CAS-BOT-BC383035  Poaceae Greg de Nevers 1989-6-8 9078 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CDA40767  Pogogyne douglasii subsp. minor Peter Rubtzoff 1971-7-9 6600 Sonoma 4.25 miles west of Glen Ellen. 0 Comment
  RSA178014  Polygala californica Robert F. Thorne 1965-4-20 34338 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  RSA70709  Polygala californica L. S. Rose 1951-5-17 51004 Sonoma Hills east of Agua Caliente 152 Comment
  SEINET12205239  Polygala californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -088 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 244 Comment
  SEINET5501531 Image available Polygala californica Sally Walker 1981-5-13 s.n. Sonoma 2 mi E of Occidental Comment
  UCD166216  Polygonum Peter Rubtzoff 1970-5-30 6241 Sonoma 5 mi. north of Sears Point. Comment
  UCD166217  Polygonum Peter Rubtzoff 1970-5-30 6246 Sonoma 5 mi. north of Sears Point. Comment
  UCD166307  Polygonum Peter Rubtzoff 1966-8-25 5810 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  UC6669  Polygonum bolanderi Michener and Bioletti July 1893 Sonoma Hoods Peak Comment
  RSA234547  Polygonum lapathifolium Peter Rubtzoff 1955-8-7 2030 Sonoma Guerneville Marsh. Comment
  UCD100498  Polygonum marinense P. G. Connors 1995-6-2 343 Sonoma Bodega Head and Dunes. Near Bodega Marine Lab Housing. Comment
  UC1562684  Polygonum punctatum Barbara Ertter 1988-11-5 8031 Sonoma point below Little Flat parking area (w of bridge, ca 5 air mi due s of Cloverdale); Lake Sonoma 152 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
  UCR218739  Polypodium californicum George K. Helmkamp, E. A. Helmkamp 2010-6-4 16227 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
  HSC34929  Polypodium californicum Thomas W. Nelson, James Nelson 1975-3-25 1761 Sonoma Beside Hwy. 128, E of Geyserville at the Sonoma-Napa Co. line Comment
  SEINET11719959  Polypodium californicum W. Knight, Knight, I. 1990-1 6570 Sonoma Armstrong Redwoods State Reserve Comment
  CAS-BOT-BC232934  Polypogon Peter Rubtzoff 1983-8-28 9672 Sonoma Austin Creek, ca. 0.5 mile N of Highway 116 on Cazadero Road 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
  UCR254897  Polypogon Peter Rubtzoff 1968-9-21 5981 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  RSA0023111  Polypogon Peter Rubtzoff, Nancy Harrison 1974-9-7 7889 Sonoma Hinebaugh Creek in Rohnert Park, in creek bed under Commerce Blvd. bridge. Comment
  UCD51668  Polypogon interruptus Harry Goff; Virginia Bufford 1935-5-22 62 Sonoma foot of Hood Mt. Comment
  CAS-BOT-BC233225  Polypogon maritimus Peter Rubtzoff 1961-6-17 4628 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC237416  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Near Sonoma Comment
  UC505685  Polypogon monspeliensis C. R. and B. S. Ball 1933-5-30 2510 Sonoma Bodega Bay Comment
  UCD91352  Polypogon monspeliensis David L. Morgan 1955-6-25 s.n. Sonoma On Bloomfield Rd., 2 mile north of junction of Petaluma-Valley Ford Rd. Comment
  UCD91413  Polypogon monspeliensis Terri Williamson 1990-5-24 73 Sonoma Cal-State Hayward Campus, Hayward. 243 Comment
  UC1400815  Polystichum californicum Michener and Bioletti June, 1893 Sonoma Adobe Canyon Comment
  UC1745115  Polystichum dudleyi Wendy Born July 2000 Sonoma Along the road and along the west sides of Fife Creek; Armstrong Redwoods State Reserve Comment
  SEINET11719542  Polystichum dudleyi F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -236 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UC1041134  Polystichum munitum J. W. Congdon 1892-5-29 Sonoma Cazadero Comment
  UCD167969  Polystichum munitum James A. Neilson Jr. 1981-3-13 3989 Sonoma Mayacamas Mountains, Wildhorse Ck. Northeast Sonoma County. (Exact location unknown, coordinates estimated by label maker.) 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-BC102354  Populus alba Peter Rubtzoff 1972-9-3 6882 Sonoma Forestville Marsh Comment
  RSA800842  Potamogeton foliosus Peter Rubtzoff 1971-9-1 6667 Sonoma SPring Creek Reservoir area, east of Santa Rosa Comment
  UCD161294  Potamogeton natans James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3692 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
  RSA800785  Potamogeton nodosus Peter Rubtzoff 1971-9-1 6669 Sonoma Spring Creek Reservoir area Comment
  CAS-BOT-BC454080  Potamogeton pusillus subsp. pusillus Greg de Nevers 1991-6-23 9754 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In Loch Haven Lake. 500' elevation. 475 Comment
  CAS-BOT-BC454081  Potamogeton pusillus subsp. pusillus Greg de Nevers 1991-6-23 9754 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In Loch Haven Lake. 500' elevation. 475 Comment
  CAS-BOT-BC454079  Potamogeton pusillus subsp. pusillus M. S. Baker 1899-6-28 s.n. Sonoma Russian River near mouth Comment
  CAS-BOT-BC454083  Potamogeton pusillus subsp. pusillus Peter Rubtzoff 1961-5-24 4610 Sonoma Upper Stemple Creek Marsh. Comment
  UC903040  Potentilla anserina subsp. pacifica Ethel Crum 1930-6-8 742 Sonoma one mi e Bodega Bay (bottom of gulch); e of Bodega Bay Comment
  UCD113699  Potentilla anserina subsp. pacifica Terri Williamson 1990-5-20 49 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  SBBG21354  Potentilla anserina subsp. pacifica V. Haraden 1941-7-13 8 Sonoma near beach ca. 1 mi N of the head of Bodega Bay Comment
  UC972187 Image available Potentilla uliginosa Milo S. Baker 1947-6-26 10831 Sonoma ca 1 mi (airline) sw Cunningham Sta.; Cunningham Marsh Comment
Read comments
Oct 28 2010
  UCSB663  Prosartes hookeri Keator, Glenn 1959-4-1 Sonoma At abandoned picnic grounds, 1 mile southeast of northern city limits of Camp Meeker on Occidental- Monterio highway Comment
  UC1051657  Prunella vulgaris var. lanceolata Peter Kamb and Francia Chisaki 1950-6-16 1858 Sonoma 1 mi n Sousa Corners (nw of Sebastopol, Pitkin Marsh); Pitkin Marsh Comment
  UCD160855  Pseudognaphalium californicum James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3282 Sonoma Mayacmas Mountains, south of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC356922  Pseudognaphalium californicum Peter Rubtzoff 1951-8-25 670 Sonoma Hills southeast of Guerneville Comment
  CAS-BOT-BC356924  Pseudognaphalium californicum Walter Knight; Irja Knight 1963-9-1 258 Sonoma Sulphur Creek Rd - 1 mi from US 101 near Cloverdale Comment
  RSA790987  Pseudognaphalium luteoalbum Peter Rubtzoff 1962-9-30 5103 Sonoma Vacation Beach, 2 miles below Guerneville. Comment
  CAS-BOT-BC361613  Pseudognaphalium stramineum Mary P. Wells 1983-8-4 s.n. Sonoma Highway #1 west of road from Valley Ford to Bodega Comment
  UCD133693  Pseudognaphalium stramineum Frederica Bowcutt 1984-6-23 414 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. W of Highway 1. Immediately N of Gerstle Cove near large parking lot. 15 Comment
  CAS-BOT-BC80184  Pseudotsuga menziesii A. A. Heller; H. E. Brown 1902-3-31 5188 Sonoma Mt. Hood Comment
  UCD135120  Pseudotsuga menziesii var. menziesii Mary M. Hektner 1974-7-10 143 Sonoma Unit 35-B Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC35754  Psilocarphus oregonus Miss King 1897-1-1 Sonoma Healdsburg Comment
  SEINET3558501 Image available Psoralea macrostachya Lewis S. Rose 1933-9-3 33358 Sonoma 2 miles west of Petrified Forest. Comment
  SEINET6033390  Pteridium aquilinum var. pubescens P. L. Henderson 1977-4-30 77 -6 Sonoma Bodega Bay, on high ground above coast Comment
  CAS-BOT-BC421372  Pterostegia drymarioides Alice Eastwood 1915-6-29 4834 Sonoma Bodega Point Comment
  CAS-BOT-BC421374  Pterostegia drymarioides A. A. Heller 1902-5-27 5612 Sonoma Bodega Bay Comment
  UCR222561  Pyracantha fortuneana George K. Helmkamp, E. A. Helmkamp 2010-6-5 16254 Sonoma North Coast Ranges, junction of Martinelli Road and River Road, 4.65 air mi. due east of Guerneville 9 Comment
  CAS-BOT-BC460849  Pyrola aphylla Juanita E. Charles 1925-6-1 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC376344  Pyrola picta Greg de Nevers 1998-6-24 11293 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Northeast of old dump on road to Grouse Hill. 400 Comment
  CAS-BOT-BC466309  Pyrola picta Greg de Nevers 1991-7-9 9756 Sonoma Pepperwood Natural Reserve, 3450 Franz Valley Rd. 475 Comment
  CAS-BOT-BC376342  Pyrola picta Greg de Nevers 1998-6-15 11286 Sonoma CYO Camp on Bohemian Highway. Comment
  UC336261  Quercus X morehus Hy. Edwards April 1877 208 Sonoma Knights Valley Comment
  CAS-BOT-BC104409  Quercus X subconvexa G. DeNevers 1981-9-12 1834 Sonoma Pepperwood Ranch, on S slope of the hill above the Betchel Cabin Comment
  CAS-BOT-BC62719  Quercus chrysolepis Greg de Nevers 1981-6-27 1675 Sonoma Paperwood Ranch. Walk up the Creek from Frank Valley Road through the Devil's Kitchen Comment
  CAS-BOT-BC86007  Quercus douglasii D. E. Breedlove 1980-6-27 44756 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD46181  Quercus dumosa J. M. Tucker 1977-6-16 4395 Sonoma On Shurtleff Ranch off Chalk Hill Road to the east, ca. 4 miles (air-line) northeast of East Windsor (or ca. 10 miles, airline, north-northwest of Santa Rosa), Sonoma County, California. 121 Comment
  SEINET12030398  Quercus dumosa W. Knight, Knight, I.; Howell, J. T. 1984-1 5104 Sonoma 2.8 mi up Cavedale Rd from Hwy-12 Comment
  UCD149625  Quercus durata G. Ledyard Stebbins 1994-3-23 s.n. Sonoma Pepperwood Preserve Comment
  UCD45949  Quercus durata var. durata A. R. Kruckeberg 1947-5-4 1437 Sonoma On first serpentine outcrop on Ida Clayton Road (from Kellogg to Middletown) from Knights Valley, in Sonoma (?) County, California. Comment
  UCSB34091  Quercus durata var. durata Nixon, Kevin 1978-12-27 Sonoma 3.3 mi north of Cloverdale on hwy 128 274 Comment
  SJSU16080  Quercus garryana Allen W. Jacobs 1934-8-1 3 Sonoma Found near the Hilton on NW slope above the Russian River Comment
  UC1135605  Quercus garryana J. B. Spring 1932-7-8 102 Sonoma Alta Vista Napa Quad. 304 Comment
  UCD46201  Quercus garryana Roman Gankin 1967-10-4 1078 7 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  UCD46086  Quercus garryana var. garryana J. M. Tucker 1950-11-19 2016 Sonoma 9.8 miles south of Healdsburg, beside road to Rio Nido, Sonoma County, California. Comment
  RSA169362  Quercus kelloggii L. S. Rose 1964-6-27 64058 Sonoma 2 miles north of Sonoma. 274 Comment
  UCD46639  Quercus kelloggii D. Sanchez-Mata 1996-4-16 s.n. Sonoma Mercuryville. Big Sulphur Creek. The Geysers. 430 Comment
  UCD46678  Quercus kelloggii Lewis S. Rose 1964-6-27 64058 Sonoma 2 miles n of Sonoma hill slopes. 274 Comment
  CAS-BOT-BC62804  Quercus lobata Greg de Nevers 1981-9-5 1811 Sonoma Pepperwood Ranch, across fence from Hansel's Corral, south Comment
  JEPS46680  Quercus lobata W. L. Jepson 1902-11-12 Sonoma Cloverdale Comment
  UCD162763  Quercus wislizeni Dylan O. Burge 2014-6-5 1642 Sonoma Mayacmas Mountains, western slope of Hooker Canyon, at Elarra Reserve. 500 Comment
  UC9374  Ranunculus aquatilis var. capillaceus W. H. Brewer 1862-4-18 970 Sonoma near Sonoma Comment
  SDSU10098  Ranunculus californicus D. F. Howe 1972-4-28 4814 Sonoma Trinity Road, Mt. Hood Range. 122 Comment
  UC1084358  Ranunculus californicus G. Thomas Robbins 1937-3-26 17 Sonoma meadow near Wright School (on hwy to Sebastopol) Comment
  UCD95945  Ranunculus californicus Mary M. Hektner 1976-5-10 253 Sonoma along bluffs above Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD123944  Ranunculus californicus Caitlin Lewis; William Mutch 1993-4-17 6 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain. 1 mile. Near visitor center. 365 Comment
  UCD95980  Ranunculus californicus Rimy Waraich; Patti Togioka, Valerie Bullock 1993-5-8 223 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Pony Gate Trail. 365 Comment
  CAS-BOT-BC378685  Ranunculus californicus var. californicus Mrs. H. C. Cantelow 1940-4-20 4250 Sonoma about 0.67 mi north of Bay Highway 1 Comment
  SEINET3160888  Ranunculus californicus var. crassifolius L. S. Rose 1939-4-2 39051 Sonoma 3 mi. n. of Bodega Bay Comment
  RSA31774  Ranunculus californicus var. cuneatus A. A. Heller 1938-5-14 15082 Sonoma On the bluff N of Bay, Bodega Bay. Comment
  UC483320  Ranunculus canus Ira L. Wiggins 1932-3-12 5758 Sonoma meadows between Calistoga and Knight's Valley Comment
  CAS-BOT-BC83409  Ranunculus lobbii Peter Rubtzoff 1972-3-31 6721 Sonoma Todd Road 1.4 mile from Highway 116 and 0.6 mile from Llano Road. Comment
  CAS-BOT-BC83411  Ranunculus lobbii Peter Rubtzoff 1966-4-30 5692 Sonoma Todd Road 1.4 miles from Highway 116 and 0.6 mile from Llano Road. Comment
  UC634971  Ranunculus lobbii Carl V. Meyer 1929-3-24 Sonoma Santa Rosa Comment
  CAS-BOT-BC83437  Ranunculus lobbii Margot Lowry 1983-5-5 33 Sonoma 2 miles north on Adobe Road from Sonoma Mountain and Adobe Road junction. 30 Comment
  UC9461  Ranunculus lobbii J. Burtt Davy 1896-3-13 1659 Sonoma Cujadera Comment
  UCD96244  Ranunculus muricatus Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 60 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 195 Comment
  RSA281534  Ranunculus orthorhynchus var. bloomeri Michener, Bioletti 1893-04 s.n. Sonoma Kenwood Comment
  RSA3946  Ranunculus orthorhynchus var. bloomeri I. L. Wiggins 1932-3-12 5757 Sonoma roadside ditch, Knight's Valley Comment
  SEINET12094350  Ranunculus parviflorus H. K. Wagnon 1989-1 1867 Sonoma 5555 Montgomery Dr., Santa Rosa 67 Comment
  RSA94322  Rhamnus californica Peter Rubtzoff 1951-8-18 616 Sonoma Uppermost part of the western branch of the upper. Comment
  CAS-BOT-BC55940  Rhamnus crocea D. E. Breedlove 1980-6-28 44796 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC55946  Rhamnus crocea A. A. Heller 1902-6-26 5766 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UC1193389  Rhamnus tomentella subsp. tomentella R. H. Neuns 1950-5-20 100 Sonoma 6 mi e Geyserville 441 Comment
  CAS-BOT-BC53740  Rhododendron columbianum Mary P. Wells 1985-10-4 670 Sonoma pygmy forest south of Gualala River and east of Coast Highway Comment
  CAS-BOT-BC53746  Rhododendron columbianum Ella Dales Cantelow 1941-6-7 3643 Sonoma 5 mi. n. of Fort Ross. Hwy 1 Comment
  UC634742  Rhododendron macrophyllum H. L. Mason 1928-7-11 4896 Sonoma 2 mi n of Fort Ross Comment
  SFV2671  Rhododendron occidentale K. A. Wilson 1961-6-23 1236 Sonoma 2 miles north of Sebastopol on CA-Highway 12. 27 Comment
  UC1299570  Rhododendron occidentale Freed W. Hoffman 1946-9-26 569 Sonoma Layton Mine, Austin Creek Austin Creek; North Coast Ranges, Layton Mine, Austin Creek Comment
  UC750808  Rhododendron occidentale Charles B. Heiser Jr. 1946-5-19 1750 Sonoma Vine Hill Region, Pitkin Marsh Pitkin Marsh; Vine Hill Region, Pitkin Marsh Comment
  UCD141958  Rhododendron occidentale G. F. Hrusa 1989-5-8 7009 Sonoma Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  CDA21383  Rhododendron occidentale var. occidentale G. F. Hrusa, M. Griffiths 1989-6-4 7116 Sonoma North Coast Ranges; Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. Comment
  CAS-BOT-BC111892  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh 182 Comment
  CAS-BOT-BC111894  Rhynchospora californica John Thomas Howell 1945-8-14 21382 Sonoma Perry Marsh 182 Comment
  UC1100685  Rhynchospora californica Herbert L. Mason 1946-7-4 12881 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  CAS-BOT-BC111905  Rhynchospora capitellata Peter Rubtzoff 1951-7-22 529 Sonoma Pitkin Marsh; uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC111927  Rhynchospora recognita John Thomas Howell 1945-8-14 21393 Sonoma Perry Marsh Comment
  CAS-BOT-BC111929  Rhynchospora recognita John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111930  Rhynchospora recognita John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111931  Rhynchospora recognita John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111933  Rhynchospora recognita John Thomas Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles n of Sebastopol. Comment
  CAS-BOT-BC169002  Ribes divaricatum var. pubiflorum A. A. Heller; H. E. Brown 1902-3-12 5038 Sonoma Sonoma Creek, eastern base of Mt. Hood Comment
  CAS-BOT-BC169004  Ribes divaricatum var. pubiflorum G. DeNevers 1981-6-6 1461 Sonoma Woodland on N slope of Telegraph Hill, Pepperwood Ranch Comment
  SEINET12216688  Ribes menziesii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -157 Sonoma ca 5 mi E of Bridgehaven on Willow Creek Road 145 Comment
  CAS-BOT-BC198920  Ribes roezlii var. cruentum A. A. Heller; H. E. Brown 1902-3-12 5037 Sonoma Sonoma Creek, Estern Base of Mt. Hood Comment
  CAS-BOT-BC198921  Ribes roezlii var. cruentum A. A. Heller; H. E. Brown 1902-3-31 5195 Sonoma Mt. Hood Comment
  CAS-BOT-BC198923  Ribes roezlii var. cruentum R. Bacigalupi 1948-3-6 2857 Sonoma Slopes of Mayacamas Range, on road from the Geysers to Geyserville. Comment
  CAS-BOT-BC186077  Ribes roezlii var. roezlii Susan M. Smith 2004-2-9 s.n. Sonoma Over 80 acre on native plant preserve Nefertierra. Off St. Helena Rd, 3 1/2 m. e. of Calistoga Rd. 472 Comment
  RSA141862  Ribes victoris A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UC1182091  Ribes victoris var. minus C. R. Quick and Alice Quick 1935-3-10 171 Sonoma ne Kenwood (n from Sonoma, at foot of Mt. Hood); Mt. Hood, Canyon of Sonoma Creek Comment
  CAS-BOT-BC74712  Rorippa curvisiliqua Peter Rubtzoff 1973-8-21 7251 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD165110  Rosa Peter Rubtzoff 1973-9-9 7314 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC152656  Rosa californica John Thomas Howell 1926-11-14 2248 Sonoma Santa Rosa Comment
  CAS-BOT-BC152658  Rosa californica Peter Rubtzoff 1951-8-18 631 Sonoma Western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC146775  Rosa gymnocarpa G. DeNevers 1982-5-18 2034 Sonoma Near Redwoods end at the Redwoods Comment
  CAS-BOT-BC148197  Rosa rubiginosa Walter Knight; Irja Knight 1988-6-9 6262 Sonoma In pastureland along Valley Ford Cutoff between Bodega Hwy. jct. and Valley Ford 45 Comment
  CAS-BOT-BC148199  Rosa rubiginosa Dorothy Scherer 1997-5-20 121 Sonoma Ca. 100' north of Russian Orchard, along path to Sag Ponds, Fort Ross State Historic Park 106 Comment
  CAS-BOT-BC156574  Rubus Peter Rubtzoff 1951-6-30 290 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC262826  Rubus Peter Rubtzoff 1953-5-16 1354 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC262828  Rubus Peter Rubtzoff 1964-5-20 5306 Sonoma Brooks Gulch Marsh. Comment
  UCD166412  Rubus Peter Rubtzoff 1960-5-16 4357 Sonoma Duncans Mills Marsh; upper portion of the marsh. Comment
  UCD166415  Rubus parviflorus Peter Rubtzoff 1964-5-20 5311 Sonoma Brooks Gulch Marsh. Comment
  UCR265116  Rubus parviflorus Ann Howald 2015-4-1 3312 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 11.5 miles west of intersection with Rockpile Rd, Warm Springs drainage 408 Comment
  UCR279611  Rubus spectabilis Peter Rubtzoff 1959-6-6 4089 Sonoma Willow Creek Marsh 9 Comment
  CAS-BOT-BC157177  Rubus ursinus A. A. Heller 1902-6-26 5774 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC157179  Rubus ursinus Volney Rattan 1877-6-17 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC157180  Rubus ursinus Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC157181  Rubus ursinus Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC157183  Rubus ursinus Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  UC666159 Image available Rubus ursinus S. W. Brown 1942-6-28 42015 Sonoma in ravine 15 mi n Fort Ross; ; Ft. Ross Comment
  UC1042523  Rumex acetosella Peter Rubtzoff 1951-7-7 376 Sonoma near Forestville (e branch of Upper Pitkin Marsh); Pitkin Marsh Comment
  UCD19485  Rumex acetosella Terry Reedy 1974-5-11 206 Sonoma Bodega Head, between road and freshwater marsh. 6 Comment
  CAS-BOT-BC166969  Rumex crispus Peter Rubtzoff 1959-9-13 4268 Sonoma Vacation Beach, near Guerneville. Comment
  RSA783834  Rumex fueginus Peter Rubtzoff 1958-9-27 4007 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road). Comment
  UCR256124  Rumex paucifolius Greg de Nevers 1995-9-25 10773 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  POM252715  Rupertia physodes Michener, Bioletti 1893-5-28 2511 Sonoma Glen Ellen Comment
  CAS-BOT-BC454116  Ruppia cirrhosa Peter Rubtzoff 1962-8-3 5033 Sonoma Lower Salmon Creek Marsh. Comment
  RSA758309  Rytidosperma penicillatum Barbara Ertter 2003-7-19 18246 Sonoma Bodega Bay, costal meadow behind community center on west side of Hwy 1 north of town. Comment
  CAS-BOT-BC239856  Rytidosperma penicillatum Mary P. Wells 1981-8-2 s.n. Sonoma The Sea Ranch Comment
  CAS-BOT-BC249307  Sagina Peter Rubtzoff 1959-4-18 4026 Sonoma Laguna de Santa Rosa, northeast of Graton, ca. 0.5 miles north of Guerneville Road crossing. Comment
  CAS-BOT-BC445770  Sagittaria latifolia A. A. Heller 1902-7-1 5799 Sonoma Lagoon at Sebastopol Comment
  CAS-BOT-BC445771  Sagittaria latifolia Peter Rubtzoff 1951-8-19 663 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC445773  Sagittaria latifolia Peter Rubtzoff 1951-9-2 725 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC290694  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7352 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC103087  Salix bonplandiana Peter Rubtzoff 1963-10-5 5291 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC103089  Salix bonplandiana Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7838 Sonoma Kenwood Marsh Comment
  RSA534551  Salix bonplandiana Peter Rubtzoff 1962-5-5 4806 Sonoma Fife Creek Marsh. Comment
  RSA534570  Salix bonplandiana Peter Rubtzoff 1963-10-5 5291 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  CAS-BOT-BC103841  Salix exigua subsp. melanopsis Peter Rubtzoff 1957-5-26 3372 Sonoma Vacation Beach, near Guerneville; bank of Russian River Comment
  CAS-BOT-BC103843  Salix exigua subsp. melanopsis Peter Rubtzoff 1970-9-2 6367 Sonoma Russian River bottom at Mirabel Park Comment
  UC482047  Salix exigua var. hindsiana Ball, Bracelin, Parks and Parks 1931-4-21 38 Sonoma 25 km n.w. of Calistoga (Maacama Creek) Comment
  CAS-BOT-BC107800  Salix hindsiana Ball; Bracelin; Parks 1931-4-21 38 Sonoma Mayacama Creek, 25 km. northwest of Calistoga, in ravine above creek Comment
  CDA42346  Salix laevigata D. G. Kelch 2012-5-2 12 .064 Sonoma Dry Creek Valley; near Preston Organic Winery along tributary of Dry Creek. Comment
  UC1084372  Salix laevigata G. Thomas Robbins 1937-3-27 43 Sonoma Santa Rosa Creek Santa Rosa, Santa Rosa Creek Comment
  CAS-BOT-BC128065  Salix lasiandra var. lasiandra John Thomas Howell 1932-9-18 10772 Sonoma Bank of slough draining Kenwood Marsh. Comment
  RSA534496  Salix lasiolepis Peter Rubtzoff, J. Eckenwalder 1973-10-3 7333 Sonoma Along Salmon Creek. 0.75 mile NW of Freestone. Comment
  UC453100  Salix lasiolepis W. A. Setchell 1931-7-31 18 Sonoma Bodega Bay; bottom of small canyon Comment
  UC453111  Salix lasiolepis W. A. Setchell 1931-8-1 25 Sonoma Jenner-by-the-Sea 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
  SEINET5633134 Image available Salix lasiolepis A. A. Heller 1902-1 2738 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC107357  Salix lasiolepis var. bigelovii C. R. Ball; B. S. Ball 1933-5-30 2511 Sonoma below road at Bay, Bodega Bay Comment
  CAS-BOT-BC125697  Salix melanopsis W. A. Setchell 1931-8-1 s.n. Sonoma Bohemian Grove, near Monte Rio, in gravelly bed of Russian River Comment
  CAS-BOT-BC125699  Salix melanopsis H. E. McMinn 1922-6-7 183 Sonoma Russian River near Guerneville Comment
  RSA534497  Salix melanopsis Peter Rubtzoff 1957-5-26 3372 Sonoma Vacation Beach. Near Guerneville. Russian River. Comment
  CAS-BOT-BC126178  Salix scouleriana Mary P. Wells 1987-3-25 872 Sonoma By bridge over southern creek (north of end of Wild Moor Reach), The Sea Ranch Comment
  CAS-BOT-BC126197  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 343 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  CAS-BOT-BC126199  Salix scouleriana Peter Rubtzoff 1951-8-18 627 Sonoma Western branch of the Upper Marsh Comment
  LA208907  Salix scouleriana W. A. Setchell; 1934-7-10 6 Sonoma Coast Hwy, N of Fort Ross Comment
  LA208920  Salix scouleriana Baker; Ball, Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental; on Occidental grade Comment
  POM214873  Salix scouleriana Y. Mexia 1933-2-18 s.n. Sonoma 4 miles S of Camp Meeker. Comment
  POM219058  Salix scouleriana Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental on Occidental Grade. Comment
  UC482053  Salix scouleriana Baker, Ball, Bracelin, and Crum 1931-5-9 343 Sonoma 2 km. e. Occidental (on Occidental grade) Comment
  UC524791  Salix scouleriana W. A. Setchell 1934-7-10 8 Sonoma Ridge Hwy. above Fort Ross Comment
  UC524792  Salix scouleriana W. A. Setchell 1934-7-10 9 Sonoma Ridge Hwy. above Fort Ross Comment
  UCR142842  Salix scouleriana Milo S. Baker, C. R. Ball, Mrs. H. P. Bracelin, Ethel Crum 1931-5-9 342 Sonoma Coast Range, 2 km east of Occidental on Occidental Grade Comment
  CAS-BOT-BC128906  Salix sitchensis Ball; Bracelin; Baker; Crum 1931-5-9 344 Sonoma About 2 km. east of Bodega Bay Comment
  CAS-BOT-BC128908  Salix sitchensis Mary P. Wells 1982-8-21 120 Sonoma North end of South Gerstle Cove, Salt Point State Park Comment
  CAS-BOT-BC128945  Salix sitchensis Peter Rubtzoff 1970-8-25 6344 Sonoma Austin Creek margin 1/2 mile north of Cazadero Comment
  POM167057  Salix sitchensis A. A. Heller 1903-4-23 6602 Sonoma Fort Ross. 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
  POM362959  Salix sitchensis Carleton R. Ball, H. P. Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 35 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  SD985  Salix sitchensis Baker, Ball, Bracelin, Crum 1931-5-9 344 Sonoma About 2 km east of Bodega Bay, creek bed Comment
  CAS-BOT-BC225216  Salvia sonomensis Walter Knight; Irja Knight 1963-10-27 437 Sonoma Spring Mt. Rd. Comment
  CHSC21957  Salvia sonomensis Robert A. Schlising 1962-3-31 2114 Sonoma California Coast Range. Along Cavedale Road, NE of Agua Caliente. Comment
  SFV8448  Salvia sonomensis K. Milam 1966-3-3 6 Sonoma North Coast Ranges Cavedale Road, opposite Hooker Canyon. 425 Comment
  UC1177084  Salvia sonomensis Peter H. Raven 1954-2-27 6429 Sonoma n side Hooker Creek; Hoods Peak Range 609 Comment
  POM126741  Salvia sonomensis H. P. Chandler 1907-4-27 7545 Sonoma Napa County: St. Helena to Santa Rosa via spring Mt. Comment
  SEINET12327832  Sambucus callicarpa F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -159 Sonoma ca 5 mi E of Bridgehaven on Willow Creek Road 145 Comment
  UCD137236  Sambucus nigra subsp. caerulea C. Wistrom 1996-5-26 31 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  UCD160126  Sambucus nigra subsp. caerulea James A. Neilson Jr. 1973-6-6 2958 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
  CHSC34607  Sanicula bipinnatifida Jeffrey D. Prouty 1979-4-11 224 Sonoma Ca. 7 mi n of Santa Rosa. Grassy slope ca. 100 yds w of Mark West Springs Rd., ca. 300 yds n of jctn. with Michelle Way. 164 Comment
  UC901878  Sanicula graveolens L. Constance, L. R. Heckard and A. R. Kruckeberg 1950-5-13 3329 Sonoma 4 mi w of Lincoln Rock (ne of Sulphur Creek) 762 Comment
  RSA94301  Santolina chamaecyparissus Peter Rubtzoff 1952-5-31 1129 Sonoma Dry, open ground bordering the upper marsh in the W. Comment
  CAS-BOT-BC251243  Saponaria Peter Rubtzoff 1955-9-10 2127 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC251238  Saponaria Peter Rubtzoff 1965-9-5 5634 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  UC635550  Saxifraga californica H. L. Mason 1931-3-7 5807 Sonoma 12 mi w of Santa Rosa (Vine Hill School); Vine Hill School Comment
  UC71997  Saxifraga californica Milo S. Baker 1898-3-26 682 Sonoma Santa Rosa Comment
  UC480598  Saxifraga integrifolia Carl Meyer 1928-4-3 324 Sonoma Santa Rosa Comment
  JEPS79428  Saxifraga integrifolia Nancy Harrison 1980-3-14 Sonoma Sonoma Valley Park near Glen Ellen; Sonoma Valley Park Comment
  POM142248  Saxifraga mertensiana Jos. Burtt Davy 1896-3-14 1667 Sonoma [Unspecified] Comment
  UC1127658  Saxifraga mertensiana E. Armstrong 1934-3-26 907 Sonoma 1 mi nw of Camp Meeker 121 Comment
  UC754290  Saxifraga mertensiana R. Bacigalupi 1948-3-6 2584 Sonoma 1 mi w of Skaggs Springs Comment
  RSA178019  Scandix pecten-veneris R. F. Thorne 1965-4-19 34278 Sonoma Titus Ranch, Valley Ford. 18 Comment
  CAS-BOT-BC283139  Schedonorus arundinaceus G. De Nevers 1981-6-18 1571 Sonoma On the dam at the Pippindale Pond, Pepperwood Ranch Comment
  CAS-BOT-BC422352  Schedonorus arundinaceus Peter Rubtzoff 1962-5-5 4807 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC422354  Schedonorus arundinaceus Peter Rubtzoff 1962-5-11 4823 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC111797  Schoenoplectus pungens var. badius Marcus Eugene Jones 1882-7-18 3526 Sonoma Duncan's Mills Comment
  CAS-BOT-BC111799  Schoenoplectus pungens var. badius Peter Rubtzoff 1954-8-10 1679 Sonoma Bodega Head Marsh. Comment
  UCD50152  Schoenoplectus pungens var. badius Mary M. Hektner 1976-8-26 267 Sonoma Unit 28 Owner's Map, Sea Ranch, near State Highway 1, Sonoma County, California. Comment
  RSA0009470  Schoenoplectus tabernaemontani Marcus E. Jones 1931-7-5 29197 Sonoma Cloverdale. Comment
  UC56352  Scirpus americanus J. Burtt Davy 1897-9-19 4056 Sonoma Petaluma Petaluma (salt-marsh) Comment
  CAS-BOT-BC111103  Scirpus microcarpus A. A. Heller 1902-6-24 5746 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC361398  Scleranthus annuus Greg de Nevers 1993-5-9 10441 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd., at Double Culverts 457 Comment
  SEINET12050504  Scoliopus bigelovii F. H. Utech 1988-1 88 -215 Sonoma Salt Point, along CA 1 between Jenner & Stewart's Point, mile marker 38.39 75 Comment
  SEINET12058064  Scoliopus bigelovii F. H. Utech 1988-3-2 88 -012 Sonoma 0.5 mi S of Ft. Ross Historic Site on CA 1 from junction with Ft. Ross Rd at Ft. Ross (mi 32.45) 50 Comment
  SEINET12058067  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -007 Sonoma 2.75 mi W of jct of Willow Creek Rd & Coleman Valley Rd on former between Bridgehaven & Occidental 130 Comment
  CAS-BOT-BC240033  Scribneria bolanderi Catherine Best 1985-4-5 1068 Sonoma Stoetz Lane about 3 miles northeast of Occidental Comment
  UCR249330  Scrophularia californica Peter Rubtzoff 1954-8-11 1690 Sonoma Guerneville Marsh Comment
  UCR249344  Scrophularia californica Peter Rubtzoff 1958-8-23 3913 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  UCD124561  Scrophularia californica Frederica Bowcutt 1994-5-21 1835 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 side of hillside trail past the junction with Digger Pine trail approx. 1 mile. 411 Comment
  UCD125718  Scutellaria californica K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  UCD168050  Scutellaria tuberosa James Neilson 1981-7-1 4044 a Sonoma Mayacmas Mountains, entrance to Unit 15. (Exact location unknown. Coordinates estimated by label maker. Unit 15 is PG and E Power Plant 15 (retired).) Comment
  CAS-BOT-BC361396  Sedum radiatum subsp. radiatum Greg de Nevers 1993-5-17 10451 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. 457 Comment
  UCD135988  Selaginella wallacei Frederica Bowcutt 1987-5-26 815 Sonoma Sinkyone Wilderness State Park, south of BLM's King Range Conservation Area. SW of Four Corners approx. 0.5 air miles. At entrance sign to park along Needle Rock Rd. (county road 435). 335 Comment
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Jan 26 2018
  JEPS19295  Selaginella wallacei C. F. Baker 1903-4-20 2746 Sonoma Napa-Sonoma-Lake Co. line Mt. St. Helena; inner N. Coast Ranges Comment
  UCD33565  Semiarundinaria fastuosa Beecher Crampton 1970-3-12 8543 Sonoma Sonoma County, El Verano, Green Tree Nursery. Comment
  CAS-BOT-BC363276  Senecio aronicoides Alice Eastwood 1918-5-1 6868 Sonoma Mt. St. Helena Comment
  UCR279640  Senecio minimus Peter Rubtzoff 1958-8-23 3916 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  CAS-BOT-BC80327  Sequoia sempervirens Peter Rubtzoff 1983-7-30 9669 Sonoma Annapolis area, near the road from [Annopolis] Annapolis to the coast, 3.6 miles from Hwy 1 Comment
  RSA0051276  Setaria Greg de Nevers 1996-9-22 10877 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Mark West Creek at Leslie Creek. 100 Comment
  UCD92681  Setaria faberi David L. Morgan 1958-8-6 s.n. Sonoma Highway 101, Sonoma-Marin County Line. Comment
  UCR250224  Setaria parviflora Peter Warner 2013-8-12 295 Sonoma Green Valley Road, 0.15 mi east of junction with Bones and Maddocks Roads 87 Comment
  CAS-BOT-BC540823  Sidalcea Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7814 Sonoma Kenwood Marsh. Comment
  UC535114  Sidalcea diploscypha H. E. and S. T. Parks May, 1930 625 Sonoma head of Alexander Valley Comment
  SJSU8470  Sidalcea malviflora T. A. Wayne III 1962-4-21 72 Sonoma 3 mi N of Santa Rosa through Bennett Valley 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-BC213172  Sidalcea oregana subsp. valida Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7813 Sonoma Kenwood Marsh Comment
  JEPS83543  Sidalcea oregana subsp. valida Jack and Betty Guggolz 1987-8-29 893 Sonoma w end Kenwood Marsh (about 50 m e of the Warm Springs Road) Comment
  JEPS97951  Sidalcea oregana subsp. valida K. Andreasen 1998-8-13 286 Sonoma Kenwood Marsh; W side of Hwy 12, S side of old railroad embankment, ca. 30 m N of man-made pond Comment
  CAS-BOT-BC251240  Silene Peter Rubtzoff 1967-8-28 5860 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC311803  Silene Peter Rubtzoff 1974-5-19 7444 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads, near the end of Hall Road. Comment
  JEPS45851  Silene californica Eleanor Armstrong 1932-5-28 504 Sonoma 6 mi w of Graton (along Meek[s] grade); w of Graton 60 Comment
  JEPS128281  Silene coniflora Roger Raiche 2005-4-22 018 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCSB15933  Silene laciniata subsp. californica Breedlove, Dennis 1962-6-6 Sonoma Along State Highway 128; 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC389225  Silene laciniata subsp. californica G. DeNevers 1981-5-23 1255 Sonoma Pepperwood Ranch. Along Franz Valley Road Comment
  UC120179  Silene scouleri subsp. grandis Katharine Brandegee 1905-6-25 Sonoma Bodega Head Comment
  CAS-BOT-BC74920  Sinapis arvensis L. R. Abrams 1943-5-2 14332 Sonoma Vacant lot along U.S. Highway 101, Healdsburg. Comment
  CAS-BOT-BC75372  Sisymbrium officinale Elizabeth McClintock 1969-4-11 s.n. Sonoma Property of David Pleydell-Bouverie, west of Glen Ellen. Comment
  SEINET11993494  Sisymbrium officinale F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -177 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 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
  SEINET7096766  Sisyrinchium bellum 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
  UCD138873  Sisyrinchium bellum Valerie Bullock; Waraich and Togioka 1993-5-8 244 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Pony Gate Trail. 365 Comment
  RSA239774  Sisyrinchium californicum Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1090 Sonoma Pitkin-Jones Tree Farm, on Vine Hill Road north of junction with Guerneyville Road 9 miles west of Santa Rosa Comment
  UC1134661  Smilacina racemosa E. Armstrong 1934-3-26 917 Sonoma 2 mi s Camp Meeker; Sebastopol Quadrangle 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-BC166967  Solanum Peter Rubtzoff 1956-9-16 2930 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC164416  Solanum Peter Rubtzoff 1960-9-17 4568 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  UCD166506  Solanum americanum Peter Rubtzoff 1958-8-9 3837 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  NY821075  Solanum nodiflorum B. Anderson 1985-9-30 2832 Sonoma Sonoma Mountain Rd., just off Warm Springs Rd. 90 Comment
  UC914097  Solanum physalifolium var. nitidibaccatum Herbert A. Thomas 1935-11-23 Sonoma Burbank Farm Comment
  UCD151249  Solanum xanti James A. Neilson Jr. 1974-4-24 2731 Sonoma Mayacmas Mountains. One mile north of Little Geysers. Steam well site. (Elevation estimated using Google Earth by label maker.) 1097 Comment
  CAS-BOT-BC365585  Solidago elongata Peter Rubtzoff 1951-9-16 750 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC365258  Solidago velutina subsp. californica Greg de Nevers; Frank Almeda 1987-4-11 8137 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC173670  Soliva sessilis Peter Rubtzoff 1963-5-26 5137 Sonoma Bennett Mountain Lake. Comment
  POM51894  Soliva sessilis Katherine Brandegee 1905-07 s.n. Sonoma Bodega. Comment
  RSA790514  Soliva sessilis Peter Rubtzoff 1971-5-8 6444 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mi west of Arnold Drive. Comment
  CAS-BOT-BC164034  Sonchus Peter Rubtzoff 1958-8-9 3844 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC164385  Sonchus Peter Rubtzoff 1960-5-18 4391 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC374525  Sonchus asper G. DeNevers 1981-4-25 813 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  SD134040  Sparganium angustifolium Peter Rubtzoff 1972-6-24 6790 Sonoma Atascadero Creek Marsh, open Comment
  POM119055  Sparganium angustifolium subsp. emersum Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  JEPS32223  Sparganium eurycarpum var. eurycarpum F. T. Bioletti Jun 1893 Sonoma Kenwood Comment
  CAS-BOT-BC236634  Spartina foliosa J. W. Congdon 1880-10-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC376238  Spiranthes porrifolia Greg de Nevers 1995-7-20 10762 Sonoma Field redacted by CAS, contact the data manager for more information 487 Comment
  CAS-BOT-BC502051  Stachys Peter Rubtzoff 1962-10-9 5110 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC502053  Stachys Peter Rubtzoff 1963-10-5 5295 Sonoma Brooks Gulch Marsh Comment
  UCLA71586  Stachys ajugoides var. ajugoides John Thomas Howell 1930-6-8 5228 Sonoma 4 mi e Valley Ford (Bodega Road) Comment
  JEPS128255  Stachys albens Roger Raiche 2000-9-2 151 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  OBI39525  Stachys rigida var. quercetorum F. H. Utech, Walter & Irja Knight, Irja Knight 1984-4-16 84 -081 Sonoma Ca 4.0 mi NNW of Sonoma on Cavedale Rd from jctn with CA hwy 12; ca 0.5 mi N on Cavedale Rd from jctn 152 Comment
  SBBG129328  Stachys rigida var. quercetorum G. K. Helmkamp, E. A. Helmkamp 2010-6-5 16246 Sonoma Vellutini Rd, 1.3 mi NW of its junctin with Martinelli Rd, 3.5 air mi ESE (98 deg) of Guerneville 44 Comment
  UCD125568  Stachys rigida var. quercetorum Frederica Bowcutt 1994-5-21 1807 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, and about 2.5 air miles NE of Kenwood. Along the Meadow Trail, about 0.25 mile from the trail head. 396 Comment
  UCD126054  Stachys rigida var. quercetorum D. G. Heiser 1946-4-14 s.n. Sonoma Bodega Bay. Comment
  UCR256114  Stachys stricta Greg de Nevers 1993-8-8 10485 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA800606  Stellaria Peter Rubtzoff 1967-8-22 5852 Sonoma SE of Lower Salmon Creek Marsh Comment
  CAS-BOT-BC397770  Stellaria media G. DeNevers 1981-4-27 878 Sonoma Pepperwood Ranch; Green gate near Hansel's corral. Comment
  CAS-BOT-BC397771  Stellaria media Peter Rubtzoff 1981-4-27 1116 Sonoma Pitkin Marsh, near Forestville; Thickets south of the Upper Marsh. Comment
  CAS-BOT-BC397773  Stellaria media Peter Rubtzoff 1952-5-31 1116 Sonoma Pitkin Marsh, near Forestville; Thickets south of the Upper Marsh. Comment
  UC1299292  Stephanomeria elata Freed W. Hoffman 1946-9-26 579 Sonoma road to Layton Mine, Austin Creek North Coast Ranges, Austin Creek Comment
  SACT002404  Stipa pulchra M. Wiesendanger 1927-5-5 Sonoma Comment
  UCR274968  Streptanthus Jack and Betty Guggolz 2000-8-7 1644 Sonoma long-abandoned mining road east of the Crystal Mine 730 Comment
  CAS-BOT-BC61147  Streptanthus barbiger Milo S. Baker 1946-7-4 11519 Sonoma Harrison Grade, 2 miles northeast of Occidental. Comment
  JEPS96915  Streptanthus barbiger Dean W. Taylor 1998-6-22 16682 Sonoma Geysers Area, serpentine barren along John King Cade Road; headwters Cobb Creek 975 Comment
  CAS-BOT-BC61214  Streptanthus brachiatus Lawrence F. LaPre 1985-6-5 s.n. Sonoma Socrates Mine near Lake County Line, just west of Pine Flats Road. Comment
  CAS-BOT-BC61220  Streptanthus brachiatus Helen K. Sharsmith 1952-6-18 4129 Sonoma Inner North Coast Ranges. Near junction of Socrates Mine road with Pine Flat-Middletown Road. Mayacamas Mountains. 975 Comment
  UC1492709  Streptanthus brachiatus Freed W. Hoffman 1950-6-22 3379 Sonoma summit of ridge about 0.5 mi s Mercuryville (on road to Big Geysers); North Coast Ranges Comment
  UC956618  Streptanthus brachiatus subsp. brachiatus Freed W. Hoffman 1949-7-6 2871 Sonoma e. Pine Flat (ridge near contact Mine, on Sonoma-Lake co. line); North Coast Ranges 914 Comment
  CAS-BOT-BC87229  Streptanthus glandulosus subsp. glandulosus H. N. Bolander 1864-4-1 3944 Sonoma At the Geysers. Comment
  CAS-BOT-BC87235  Streptanthus glandulosus subsp. glandulosus H. N. Bolander 1864-4-1 3944 Sonoma At the Geysers. Comment
  JEPS83703  Streptanthus glandulosus subsp. secundus R. Raiche 1987-6-21 70333 Sonoma nr Red Slide Falls (n of Cazadero); Red Slide Crk., The Cedars 304 Comment
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Oct 22 2013
  UC1492745  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-8-12 2355 Sonoma headwaters of Warm Springs Creek North Coast Ranges, Bob Caughey Ranch Comment
  RSA29978  Streptanthus glandulosus subsp. secundus Lincoln Constance 1942-5-10 2863 Sonoma Sonoma County: 4 miles N of Geyserville. 61 Comment
  UC1492787  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1931-5-24 3862 Sonoma a little w Blue Knoll (w of Cazadero); North Coast Ranges, Ungewitter Ranch Comment
  UC985962  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-4-20 1703 Sonoma Del Preti Hill North Coast Ranges Comment
  CAS-BOT-BC87298  Streptanthus glandulosus subsp. sonomensis John Thomas Howell 1937-7-4 13077 Sonoma Near Petrified Forest. Comment
  UC2031713  Streptanthus hesperidis Sherry Adams 2009-6-10 Sonoma About 12 miles ENE from Healdsburg, via Pine Flat Road. About 500' north of the confluence of McDonnell and Ingalls Creeks Modini Ingalls Ecological Preserve of Audubon Canyon Ranch 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
  UCD167022  Streptanthus morrisonii James Neilson 1981-7-1 4046 Sonoma Mayacmas Mountains. Abril Ridge. (Abril Ridge assumed to be on Abril property which, based on other Neilson collections, includes T11N R9W Sect. 15. Exact location unknown, coordinates estimated by label maker.) Comment
  UCD167451  Streptanthus morrisonii James Neilson 1983-6-13 4099 Sonoma East Austin Creek. (On the same date Neilson was in the upper reaches of East Austin Creek. Exact location unknown. Coordinates estimated by label maker.) Comment
  UC956546  Streptanthus tortuosus Freed W. Hoffman 1948-7-27 2348 Sonoma summit Hood Peak (bare rocks and cliffs with s exposure); North Coast Ranges, Mayacamas Range Comment
  UC10917  Streptanthus tortuosus var. suffrutescens F. T. Bioletti 1893-6-1 Sonoma Hood's Peak Comment
  UCSB15941  Symphoricarpos mollis Breedlove, Dennis 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
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Apr 16 2014
  CAS-BOT-BC97825  Symphyotrichum chilense J. W. Congdon 1882-9-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC99377  Symphyotrichum subspicatum Peter Rubtzoff 1951-9-15 768 Sonoma Lower part of the Upper Marsh; Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC221965  Taeniatherum caput-medusae D. E. Breedlove 1980-6-27 44732 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CDA16162  Taeniatherum caput-medusae G. F. Hrusa, R. Gross 1999-6-12 15073 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
  UC1084375  Taraxacum officinale G. Thomas Robbins 1937-3-27 48 Sonoma Santa Rosa Comment
  CAS-BOT-BC251236  Taraxia ovata Peter Rubtzoff 1969-6-14 6071 Sonoma Vernal pool, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  UCD107047  Taraxia ovata M. Wiesendanger 1927-5-5 707 Sonoma location unknown. Comment
  UC58232  Tellima grandiflora A. A. Heller 1903-4-23 6612 Sonoma Fort Ross Comment
  CAS-BOT-BC399885  Thalictrum polycarpum Peter Rubtzoff 1960-6-7 4448 Sonoma Austin Creek Marsh Comment
  UCSB21296  Thermopsis californica var. californica McCarthy, Sharon 1965-4-11 Sonoma East side of Bennett Peak, 2.5 miles west on dirt road from junction at Lawndale Road, 1 mile from its junction with State Highway 12, southwest of Glen Ellen Comment
  CAS-BOT-BC66808  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10935 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66819  Thysanocarpus curvipes A. A. Heller; H. E. Brown 1902-4-14 5284 Sonoma Near Mark West Springs. Comment
  JEPS49745  Tiarella trifoliata var. unifoliata M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma Russian River near Guerneville; Russian River Comment
  SJSU474  Tilia dasystyla A. W. Jacobs 1940-5-29 Sonoma residence, Santa Rosa Comment
  UC353822  Tofieldia occidentalis subsp. occidentalis Milo S. Baker 1928-6-28 3047 a Sonoma Pitkin Marsh Comment
  CAS-BOT-BC376216  Tolpis barbata Greg de Nevers 1995-5-20 10730 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  UCD128162  Torilis arvensis G. F. Hrusa; R. Gross 1999-6-12 15077 Sonoma Foote Ranch, corner of Ida Clayton Rd and Hwy 128, Knights Valley. Comment
  UC796563  Torilis nodosa Roxana S. Ferris and Laura Lorraine 1948-6-9 11659 Sonoma Franz Valley Road ca. 3/4 mi from Mark West Road Comment
  CAS-BOT-BC81460  Torreya californica Peter H. Raven 1954-2-27 6431 Sonoma Hooker Creek, Hoods Peak Range 457 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
  SD254493  Toxicoscordion fontanum Ann Howald 2015-1-30 3311 Sonoma North Coast: Coastal terrace, ca. 3.0 miles southeast of Del Mar Point. 99 Comment
  UCD139836  Toxicoscordion fremontii Frederica Bowcutt 1996-3-24 2078 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile south of Red Mountian. Along Lower Bald Mtn. Trail on second switchback. 487 Comment
  JEPS26840  Tragopogon dubius Rimo Bacigalupi 1961-5-21 7703 Sonoma se of Pinecrest school (within city limits of Sebastopol); Sebastopol 64 Comment
  UCSB21811  Tragopogon porrifolius McCarthy, Sharon 1965-4-17 Sonoma At corner of 5th Street West and McArthur Street, Sonoma 25 Comment
  UCD163995  Trichostema Peter Rubtzoff; Nancy Harrison 1977-8-26 9117 Sonoma False Lake Meadow area, Annadel State Park. Comment
  JEPS63107  Trichostema lanceolatum Milo S. Baker 1923-8-26 442 Sonoma near Geyserville (Russian River); North Coast Comment
  JEPS63141  Trichostema laxum Milo S. Baker 1923-8-26 443 Sonoma near Geyserville (Russian River) Comment
  HSC17939  Trientalis latifolia James Faro 1962-4-20 1 Sonoma About 5 mi. N of Geurnville on the Old Cazadero Rd. 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
  CAS-BOT-BC173550  Trifolium Peter Rubtzoff 1972-6-23 6786 Sonoma Atascadero Creek Marsh. Comment
  RSA784984  Trifolium Peter Rubtzoff 1972-6-23 6786 Sonoma Atascadero Creek Marsh. Comment
  RSA784989  Trifolium Peter Rubtzoff 1974-5-18 7420 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCD107340  Trifolium albopurpureum Botany 102 Students 1993-5-8 242 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 Meadow Creek. 396 Comment
  CAS-BOT-BC217054  Trifolium amoenum R. F. Hoover 1969-5-26 11349 Sonoma 2 mi. s. of Petaluma on Point Reyes Road. Comment
  JEPS65855 Image available Trifolium amoenum Joseph P. Tracy 1921-5-13 5548 Sonoma near Petaluma; Northern Coast Ranges 15 Comment
  OBI12720  Trifolium amoenum Robert F. Hoover 1969-1 Sonoma Comment
  UC249680  Trifolium amoenum Joseph P. Tracy 1921-5-13 5548 Sonoma near Petaluma; Northern Coast Ranges 15 Comment
  UCD107140  Trifolium amoenum P. G. Connors 1996-6-5 372 Sonoma Bodega Head and Dunes. Near Horseshoe Cove. Comment
  UC58376  Trifolium barbigerum A. A. Heller 1903-4-23 6609 Sonoma Fort Ross Comment
  UC630864  Trifolium barbigerum C. V. Piper 1904-5-27 6350 Sonoma Petaluma Comment
  JEPS65920  Trifolium barbigerum var. andrewsii V. Blackney April 1929 Sonoma betw Trenton and Mark West Mt. Oliver School; Santa Rosa Comment
  UCD107611  Trifolium buckwestiorum P. G. Connors 1995-6-11 350 Sonoma Bodega Head and Dunes. Cazadero, King Ridge Road. 292 Comment
  CAS-BOT-BC368062  Trifolium ciliolatum Greg de Nevers 1998-5-26 11260 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  CDA36828  Trifolium ciliolatum CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCD108381  Trifolium depauperatum var. depauperatum Christine Lee 1993-4-24 91 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail. 411 Comment
  UC1130030  Trifolium gracilentum H. S. Yates 1934-4-21 3826 Sonoma near Duncan Mills; Duncan Mills quad 60 Comment
  POM313546  Trifolium grayi P. B. Kennedy 1929-5-25 10303 Sonoma Frick Ranch, Del Mar Comment
  UCD37564  Trifolium grayi Beecher Crampton 1955-4-5 2411 Sonoma 3 miles northeast of Trenton, 3 miles southwest of Windsor, Starr Road, near Starr School, along Windsor Creek. Comment
  UCD165133  Trifolium hydrophilum Peter Rubtzoff 1974-5-11 7403 Sonoma Laguna de Santa Rosa east of Sebastopol (south of Hwy. 12 crossing). Comment
  UCD111235  Trifolium incarnatum Allen Hahus 1978-4-22 18 Sonoma 0.25 mile west of Jonive Road on Highway 12. Comment
  JEPS128293  Trifolium microcephalum Roger Raiche 2005-4-22 012 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD161356  Trifolium microcephalum James A Neilson Jr. 1976-5-5 3696 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road. Aidlin-Gloved Leasehold, ca. 300 yards uphill from well site #1. (Coordinates and location estimated by label maker.) Comment
  UC165622  Trifolium microdon Milo S. Baker 1898-5-7 642 Sonoma Glen Ellen Comment
  UCD168046  Trifolium obtusiflorum James A. Neilson Jr. 1983-10-24 4102 Sonoma Mayacmas Mountains, near mouth of Hummingbird Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  UC16687  Trifolium oliganthum Edward Lee Greene 1892-1 Sonoma Knights Valley Comment
  UCR255722  Trifolium striatum Greg de Nevers 1998-5-12 11245 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  HSC100944  Trifolium subterraneum Peter Warner, Patricia Chan 2011-3-12 180 Sonoma Annadel State Park, Canyon Trail, 100 m NE of 'big bend' in trail, near Woodview Drive. 55 Comment
  UCD109400  Trifolium variegatum Jennifer Bury; Peggy Herzog 1993-5-8 277 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 396 Comment
  UCD84286  Trifolium variegatum Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  POM18721  Trifolium variegatum var. major D. C. Michener, F. T. Bioletti 1893-05 s.n. Sonoma Kenwood. Comment
  RSA244728  Trifolium variegatum var. major Peter Rubtzoff 1969-5-3 6023 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  JEPS4162  Trifolium willdenovii Milo S. Baker 1898-6-12 645 Sonoma Geyser Canyon Comment
  UC496412  Trifolium willdenovii Merle Randall 1930-4-7 Sonoma Redwood Grove Cazadero Comment
  UC630889  Trifolium willdenovii P. B. Kennedy 1915-5-28 Sonoma Del Mar Comment
  UCR141953  Trifolium willdenovii Beecher Crampton 1967-5-15 7925 Sonoma Coast Range, Lytton, Alexander Valley 122 Comment
  UC85322  Trifolium willdenovii Michener and Bioletti May 1892 105 a Sonoma S. L. G. Comment
  SD40319  Trifolium wormskioldii Edith A. Purer 1932-7-24 4090 Sonoma Near Bridge Bay Comment
  SEINET12051398  Trillium albidum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -229 Sonoma W of Glen Ellen & CA 12, ca 0.1 mi W on Sonoma Mt. Road from Bennett Valley Road along Graham Creek 75 Comment
  CAS-BOT-BC376369  Trillium chloropetalum Greg de Nevers 1993-3-24 10332 A Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Weimar Canyon. 400 Comment
  UC103157  Triphysaria eriantha subsp. eriantha Michener and Bioletti June 1892 172 Sonoma Shellville Comment
  SD114394  Triphysaria versicolor Darley F. Howe 1963-7-3 3583 Sonoma 20 miles north of junction with #12 on #1 Comment
  CHSC20133  Triphysaria versicolor subsp. faucibarbata D. Joley 1975-4-24 300 Sonoma Junction of Rainsville and Liberty Rds, Petaluma. Comment
  UC673454  Triphysaria versicolor subsp. faucibarbata H. L. Mason 1928-4-8 4297 Sonoma in fields near Sebastopol Comment
  UC584211  Triphysaria versicolor subsp. versicolor David D. Keck and J. Clausen 1935-6-15 3375 Sonoma 3 mi s Russian River mouth (on slopes overlooking the sea) Comment
  CAS-BOT-BC200108  Trisetum canescens K. Wagnon 1939-5-14 202 Sonoma In Wagnon's rock quarry 5 mi. west of Sebastopol Comment
  CHSC22981  Triteleia laxa Robert A. Schlising; Lloy Thurman 1962-6-15 2305 Sonoma Dutcher Creek Road, S of Cloverdale and Asti. Comment
  UC72474  Triteleia laxa Milo S. Baker 1904-6-19 Sonoma Sonoma Creek Canyon Comment
  SEINET12049783  Triteleia laxa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -151 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 80 Comment
  CAS-BOT-BC527977  Triteleia peduncularis Peter Rubtzoff 1962-6-19 4924 Sonoma Occidental Marsh Comment
  CAS-BOT-BC527979  Triteleia peduncularis Peter Rubtzoff 1965-6-20 5562 Sonoma Freestone Marsh Comment
  CAS-BOT-BC527980  Triteleia peduncularis Peter Rubtzoff 1972-6-29 5562 Sonoma Laguna Chileno Valley Comment
  CAS-BOT-BC80205  Tsuga heterophylla B. F. Smith 1962-10-24 29 Sonoma 3.5 miles southeast of Gualala 182 Comment
  RSA540050  Typha latifolia Peter Rubtzoff 1971-7-9 6596 Sonoma 5 miles north of Sears Point. Comment
  UC16921  Ulex europaeus Harley P. Chandler 1900-5-25 685 Sonoma Bodega Comment
  UC1010427  Ulmus minor Leo Koch 1939-4-15 547 Sonoma Petaluma North Bay Counties, Petaluma (518 Madison Street) Comment
  RSA318039  Umbellularia californica S. Cooper Smith 1935-4-1 35 -1 Sonoma East of Fulton. 976 Comment
  CAS-BOT-BC403991  Urtica dioica subsp. gracilis Marcus E. Jones 1882-7-17 3483 Sonoma Duncan's Mills Comment
  CAS-BOT-BC403986  Urtica dioica subsp. gracilis Walter Knight; Irja Knight 1964-2-27 556 Sonoma Ca. 2 mi S. Gualala on highway #1 Comment
  CAS-BOT-BC403988  Urtica dioica subsp. gracilis Mary P. Wells 1984-8-9 438 Sonoma Near South Fork of Gualala River, the Hot Spot, The Sea Ranch Comment
  CAS-BOT-BC403990  Urtica dioica subsp. gracilis Dennis W. Woodland 1969-8-5 1311 Sonoma At junction of highway 116 and 1 Comment
  UC55257  Utricularia gibba Milo S. Baker Nov 1898 Sonoma ditch 3 mi. s.e. Santa Rosa Comment
  UC877173  Vaccinium cespitosum Milo S. Baker 1940-1 9670 Sonoma Gravenstein Highway Perrys Marsh Comment
  CAS-BOT-BC193381  Vaccinium ovatum Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma North of Fort Ross Comment
  CAS-BOT-BC193383  Vaccinium ovatum H. L. Mason 1928-4-8 4289 a Sonoma Two miles north of Fort Ross. Comment
  SFV8773  Vaccinium ovatum J. C. Lee 1966-4-27 41 Sonoma Highway 116, 1 mile east of Guerneville. 30 Comment
  UC1121134  Vaccinium ovatum E. Armstrong 1934-3-26 948 Sonoma Camp Meeker Sebastopol Quad. 91 Comment
  UCD118088  Vaccinium ovatum A. T. Leiser 1968-1-16 s.n. Sonoma N. end of ridge, Sea Ranch. 91 Comment
  RSA471155  Vaccinium parvifolium H. L. Bauer 355 Sonoma Big Basin Comment
Read comments
Sep 18 2012
  JEPS78947  Vancouveria planipetala Edward Lee 1936-6-8 2216 Sonoma Bohemian Grove, Smith Creek Rd. Comment
  RSA121716  Vancouveria planipetala H. S. Yates 1936-5-16 5614 Sonoma 1 mile NW of Mountain View School. 91 Comment
  CAS-BOT-BC135768  Veratrum fimbriatum Elizabeth Eaton Morse 1936-8-30 s.n. Sonoma Gualala River Comment
  CAS-BOT-BC135766  Veratrum fimbriatum Hugh Leech 1964-10-12 s.n. Sonoma Confluence of Gualala River and Wheatfield Branch Comment
  CAS-BOT-BC154132  Verbascum Peter Rubtzoff 1952-6-15 1261 Sonoma Fitch Mountain Grove Resort, near Healdsburg, along Russian River Comment
  CAS-BOT-BC156316  Verbascum Peter Rubtzoff 1954-8-11 1687 Sonoma [Guernerville] Guerneville Marsh Comment
  CAS-BOT-BC157957  Verbascum Peter Rubtzoff 1954-7-27 1564 Sonoma [Guernerville] Guerneville Marsh Comment
  JEPS11193  Verbascum blattaria M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 244 Sonoma near Guerneville Comment
  CDA15998  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15678 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. with benches above. Comment
  UCD148315  Verbascum virgatum Peter Rubtzoff 1952-6-15 1261 Sonoma Fitch Mountain Grove Resort, near Healdsburg, along Russian River. Comment
  UCD158729  Verbascum virgatum Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 2 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 853 Comment
  SJSU4770  Verbena litoralis W. A. Lordge 1963-11-2 21 Sonoma Fort Ross Comment
  CAS-BOT-BC164361  Veronica Peter Rubtzoff 1969-5-11 6037 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  UCD148336  Veronica Peter Rubtzoff 1955-5-7 1825 Sonoma Guerneville Marsh. Comment
  UCR244741  Veronica americana Peter Rubtzoff 1962-5-11 4813 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  CAS-BOT-BC164360  Veronica arvensis Peter Rubtzoff 1959-6-20 4147 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC371440  Veronica peregrina Greg de Nevers 1998-4-21 11159 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Franz Valley Road intersection with Mark West Springs Road 400 Comment
  RSA0021068  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1966-4-17 5680 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  UC353801  Veronica scutellata Milo S. Baker 1928-4-28 3006 a Sonoma Pitkin Swamp Comment
  UCD124783  Veronica scutellata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UC1010375  Viburnum ellipticum Milo S. Baker Apr 1932 5904 Sonoma near beginning Adobe Canyon (Ward Road, opposite M. S. Baker Ranch) Comment
  UCR255736  Vicia benghalensis Greg de Nevers 1998-8-25 11307 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; along road to Weimar Flat 400 Comment
  RSA96839  Vicia dasycarpa Percy C. Everett, E. K. Balls, George B. Everett 1954-10-20 20381 Sonoma 0.6 mi. n.w. of Freestone on road to Occidental. 91 Comment
  JEPS66188  Vicia pannonica Milo S. Baker May 1931 5162 Sonoma Rincon School Rincon Valley (Rincon Valley, in Austin's field just n of highway) Comment
  JEPS66193  Vicia sativa subsp. nigra W. L. Jepson 1911-4-30 4190 Sonoma near Glen Ellen; Sonoma Valley 83 Comment
  UCD121401  Vinca major Anthony E. Hall 1965-4-11 16 Sonoma 3 miles west of Sebastopol. 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
  UC1761828  Viola douglasii Mary Focht 1932-3-11 Sonoma Santa Rosa Country Club golf links Comment
  UC1763347  Viola douglasii Milo S. Baker 1905-4-15 5515 Sonoma Santa Rosa Golf Links, Peach Flat Comment
  UC35304  Viola glabella J. Burtt Davy 1896-3-13 1653 Sonoma Cazadero Comment
  CAS-BOT-BC536910  Viola glabella Dorothy Scherer 1996-3-25 012 Sonoma Kolmer Gulch, just E of Hwy 1 and S side of stream, Fort Ross State Historic Park 11 Comment
  CAS-BOT-BC5196  Viola helleriana Amos Arthur Heller; H. E. Brown 1902-3-29 5179 Sonoma Bodega Bay. Comment
  CAS-BOT-BC361346  Viola lobata Greg de Nevers 1997-4-24 10966 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1762531  Viola lobata Milo S. Baker 1947-5-5 11714 Sonoma Hod [Hood?] Mt., near Grant Line Comment
  UCD151173  Viola lobata James A. Neilson Jr. 1974-4-24 2730 Sonoma Mayacmas Mountains. Socrates Mine Road, near Headquarters. (Elevation estimated using Google Earth by label maker.) 853 Comment
  RSA80503  Viola lobata Milo S. Baker 1942-4-29 10189 Sonoma Spring Mt Road near summit. Near Napa -Sonoma county line. 457 Comment
Read comments
Jun 10 2012
  UC1749379  Viola lobata Milo S. Baker 1937-4-18 8633 Sonoma Hope Valley north of Chamberlain's House, ca. 3/4 miles Comment
  UC336275  Viola ocellata J. Ewan 1877-3-1 Sonoma Skaggs Springs Comment
  UCD110694  Viola ocellata Frederica Bowcutt 1996-5-22 2143 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 about 1.25 air miles SW of Red Mountain. Along Canyon Trail near lower elev trailhead. Just N of Sonoma Creek. Down slope of Adobe Canyon Road. 231 Comment
  JEPS76916  Viola sempervirens Robert M. Lloyd 1963-2-24 2048 Sonoma 0.5 mi n of Occidental (on road to Camp Meeks, abandoned picnic ground) 45 Comment
  RSA412784  Viola sempervirens Christopher Davidson 1977-6-20 6038 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  UCSB7344  Viola sempervirens Keator, Glenn 1959-4-1 Sonoma 1 mile southeast of northern city limits off Camp Meeker Comment
  CAS-BOT-BC203125  Vitis californica Irja Knight; Walter Knight 1964-11-15 778 Sonoma Hood's [Hood] Peak below Johnson Lake Comment
  POM136379  Vitis californica A. A. Heller 1902-6-24 5760 Sonoma Near Burke's Sanitarium Comment
  UCD158821  Vitis californica James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2898 Sonoma northwest corner of Section 14, The Geysers. (Elevation estimated by label maker using Google Earth.) 472 Comment
  SEINET10691477  Vitis californica John H. Redfield 1872-8-26 Redfield 1106 Sonoma Geysers Comment
  CAS-BOT-BC199825  Vulpia John H. Thomas 1976-6-16 18347 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC199910  Vulpia bromoides Peter Rubtzoff 1955-5-21 1858 Sonoma Forestville Marsh. North facing slope bordering the Marsh in the south Comment
  CAS-BOT-BC199911  Vulpia bromoides Alice Eastwood 1915-6-29 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC199913  Vulpia bromoides Peter Rubtzoff 1959-6-20 4188 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC311800  Vulpia bromoides Peter Rubtzoff 1959-6-20 4188 Sonoma Willow Creek Marsh. Comment
  UC1024737  Vulpia bromoides Leo Whitney 3043 a Sonoma Molino Comment
  UC1026478  Vulpia bromoides Peter Rubtzoff 1952-5-31 1095 Sonoma near Forestville (Pitkin Marsh, e branch of Upper Marsh); Pitkin Marsh, Upper Marsh Comment
  UCD93548  Vulpia bromoides P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC183219  Vulpia microstachys var. ciliata John Thomas Howell 1943-4-18 17924 Sonoma Hills east of Agua Caliente Comment