Search Results — 2000 specimen records retrieved (1221 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78077  Abies grandis Roxana S. Ferris 1940-3-22 9841 Sonoma at Stillwater Cove Ranch, north of Fort Ross on State Highway #1 Comment
  POM180771  Abies grandis J. T. Howell 1930-7-27 5398 Sonoma Canyon 1 mile N of Fort Ross. Comment
  CAS-BOT-BC203226  Abutilon Peter Rubtzoff 1971-6-5 6509 Sonoma Bennett Valley Road, 4.25 mi. west of Glen Ellen Comment
  UCD160514  Acaena novae-zelandiae Daniel Potter; T. Harrington, M. Harrington, P. Lash, T. Potter. 2013-10-24 702 Sonoma Salt Point State Park, along Highway 1 at mile marker 43.66. 53 Comment
  CAS-BOT-BC451111  Acaena pinnatifida var. californica Rimo Bacigalupi 1928-6-18 1903 Sonoma Beach at mouth of Salmon Creek; 2 miles north of Bodega Bay Comment
  RSA7625  Acer macrophyllum Carl B. Wolf 1933-9-27 5513 Sonoma 2 miles southeast of Kellogg on road to Calistoga 91 Comment
  UC718032  Acer macrophyllum Carl B. Wolf 1933-9-27 5513 Sonoma on rd to Calistoga 2 mi se Kellogg; se of Kellogg 91 Comment
  UCD67995  Acer macrophyllum S. M. Smukler 1995-6-3 19 Sonoma Across from Mark West Query, 4611 Porter Creek Road, at top of bank on North side of Porter Creek. In a riparian plant association. A tree, 20 m high. 100 Comment
  CDA42344  Acer negundo D. G. Kelch 2012-5-2 12 .069 Sonoma Dry Creek Valley; near Preston Organic Winery along tributary of Dry Creek. Comment
  CAS-BOT-BC30450  Achillea millefolium Saichi Kawahara 1968-4-20 315 Sonoma Along Highway 116, 3 miles northeast of Lakeville Road 76 Comment
  UCD128332  Achillea millefolium Gerry North 1993-4 52 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.25 miles NE of parking lot-picnic area on Bald Mountain trail. 411 Comment
  CAS-BOT-BC182760  Achyrachaena mollis Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7389 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC29160  Achyrachaena mollis D. D. Keck 1931-4-2 1000 Sonoma Boyes Springs 30 Comment
  UCR280135  Achyrachaena mollis Peter Rubtzoff, H. A. Froebe 1971-5-30 6478 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Road Comment
  UCD151098  Acmispon James A. Neilson Jr. 1974-6-1 s.n. Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UCD104032  Acmispon brachycarpus Frederica Bowcutt 1996-3-24 2084 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 0.5 air mile SSE of Red Mountain. Near large rock outcrop/Vista Rock along Vista Trail. 563 Comment
  OBI12974  Acmispon glaber var. glaber Robert F. Hoover 1964-9-8 9288 Sonoma Timber cove Comment
  NY380622  Acmispon gracilis A. A. Heller 1902-6-24 5754 Sonoma Near Burke's Santarium Comment
  UCD104197  Acmispon grandiflorus var. grandiflorus P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UCD104485  Acmispon wrangelianus Botany 102 Students 1993-4-17 31 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, and 18 air miles NW of Napa. About 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge. SE of Red Mountain about 1 air mile. Near group campground. 365 Comment
  UC635414  Actaea rubra H. L. Mason 1928-7-11 4891 Sonoma canyon 2 mi. n. Fort Ross Comment
  CAS-BOT-BC361370  Adenostoma fasciculatum Greg de Nevers 1997-3-20 10921 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill 400 Comment
  UC903198  Adiantum aleuticum Ethel Crum 1930-7-27 823 Sonoma 1 mi n Fort Ross; North Coast Ranges Comment
  JEPS128352  Adiantum jordanii Roger Raiche 2000-5-5 094 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  HSC937  Adiantum jordanii F. Demostene 1966-4-8 33 Sonoma 25 mi. W of Healdsburg Comment
  UC1201284  Adiantum jordanii E. Samuels 230 Sonoma Comment
  UCD137211  Adiantum jordanii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 56 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-BC368050  Aegilops triuncialis Greg de Nevers 1989-6-8 9074 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CDA1676  Aegilops triuncialis T. C. Fuller 1960-6-14 4485 Sonoma J. Black Ranch, River Road, ca. 6 miles E/ Cloverdale. 0 Comment
  CAS-BOT-BC184  Agoseris apargioides var. eastwoodiae Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  UC126386  Agoseris apargioides var. eastwoodiae Katharine Brandegee 1905-1 Sonoma Bodega Head Bodega Head Comment
  CAS-BOT-BC13169  Agoseris hirsuta A. A. Heller 1902-6-2 5632 Sonoma Santa Rosa 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-BC209998  Agrostis Peter Rubtzoff 1967-8-22 5855 Sonoma SE of Lower Salmon Creek Marsh Comment
  UCD103560  Agrostis blasdalei John Thompson 2008-5-8 s.n. Sonoma Off the coast opposite Sea Ranch. On largest rock island opposite Shell Beach. Land owned by BLM. 5 Comment
  CAS-BOT-BC126966  Agrostis exarata A. A. Heller 1902-6-4 5641 Sonoma Santa Rosa. Comment
  CAS-BOT-BC126969  Agrostis exarata Peter Rubtzoff 1951-9-15 765 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh. Comment
  UC1146630  Agrostis exarata Freed W. Hoffman 1941-6-29 2069 Sonoma Sonoma Mountain Road North Coast Ranges Comment
  UCD38727  Agrostis exarata Beecher Crampton 1957-7-11 4298 Sonoma 1.4 miles southeast of Bodega Bay. Along State Hwy. 1. Comment
  UCD52116  Agrostis exarata Beecher Crampton 1955-6-17 2943 Sonoma 4.5 miles S of Cazadero. Comment
  UCD52441  Agrostis exarata H. S. Yates 1937-6-6 6577 Sonoma 3 miles W of Santa Rosa. 45 Comment
  UCD52238  Agrostis exarata var. pacifica Beecher Crampton 1957-7-22 4361 Sonoma along State Hwy. 1, 8.0 miles north of Stewart's Point. Comment
  CAS-BOT-BC139552  Agrostis gigantea Peter Rubtzoff 1951-7-8 391 Sonoma Pitkin Marsh near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC139511  Agrostis hallii K. Wagnon 1939-5-21 216 Sonoma Near Wagon home, five miles west of Sebastopol. Comment
  UCD148468  Agrostis microphylla Peter Rubtzoff 1964-6-24 5368 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC138917  Agrostis pallens G. DeNevers 1981-6-15 1519 Sonoma Pepperwood Ranch. Lower Pepperwood entrance. Comment
  UCD53463  Agrostis stolonifera P. B. Kennedy 1917-8-27 s.n. Sonoma Del Mar, in experimental field. Comment
  UCD53495  Agrostis stolonifera P. B. Kennedy 1917-8-27 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC47987  Ailanthus altissima Greg de Nevers 1992-6-26 10185 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  UCD55791  Aira caryophyllea var. capillaris R. Tofsrud 1941-5-1 151 Sonoma Kenwood. Comment
  UC903759  Aira elegantissima Milo S. Baker 1947-5-7 11748 Sonoma above Baker Ranch (sw slope of mt.); Mt. Hood 213 Comment
  CAS-BOT-BC445343  Alisma lanceolatum Peter Rubtzoff 1959-9-13 4265 Sonoma Vacation Beach, near (2 mi. below) Guerneville. Comment
  CAS-BOT-BC445344  Alisma lanceolatum Peter Rubtzoff 1956-9-21 2932 Sonoma Vacation Beach, near (1.5 mi. below) Guerneville. Comment
  RSA201189B  Alisma lanceolatum Peter Rubtzoff 1958-7-20 3783 Sonoma Laguna de Santa Rosa, NE of Graton (near Guerneville Road). Comment
  CAS-BOT-BC445458  Alisma triviale D. E. Breedlove 1980-6-27 44740 Sonoma Peppewood Ranch W of Knights Valley Comment
  RSA69760  Alisma triviale F. W. Peirson 1925-8-8 6344 Sonoma 5 miles S of Santa Rosa. Comment
  CAS-BOT-BC368055  Allium amplectens Greg de Nevers 1998-5-19 11252 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Franz Valley Road 400 Comment
  JEPS128306  Allium amplectens Roger Raiche 2009-4-30 027 .09 Sonoma The Cedars. Lower Russian River, East Austin Creek watershed. Comment
  UCD35882  Allium amplectens Beecher Crampton 1966-5-10 7731 Sonoma 6.5 miles n. of Sonoma, State Hwy. 12. Comment
  UC1299627  Allium amplectens Freed W. Hoffman 1950-5-27 3242 Sonoma near Mirabel; North Coast Ranges, Roy Lytton Ranch 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-BC469105  Allium dichlamydeum John H. Thomas 1976-6-15 18323 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  SEINET5502059 Image available Allium dichlamydeum Sally Walker 1982-1 s.n. Sonoma Duncans landing Comment
  UCD151238  Allium falcifolium James A. Neilson Jr. 1974-3-30 2725 Sonoma Mayacmas Mountains, county line ridge, 1/4 mile north of Geyser Rock. (Elevation estimated using Google Earth by label maker.) 1005 Comment
  UC189381  Allium peninsulare var. franciscanum J. W. Congdon 1880-6-2 Sonoma Petaluma Comment
  CAS-BOT-BC311778  Allium sativum Mary P. Wells 1985-7-1 523 Sonoma Ducker Creek bank, Rincon Valley, Santa Rosa Comment
  UC972352  Allium unifolium G. Thomas Robbins 1951-4-24 3387 Sonoma about 3 mi se Santa Rosa; Bennett Valley Comment
  CAS-BOT-BC251182  Alnus Peter Rubtzoff 1973-10-10 7338 Sonoma Salmon Creek, 0.25 miles south of Freestone. Comment
  CAS-BOT-BC169652  Alnus rhombifolia Walter Knight; Irja Knight 1963-10-27 438 Sonoma Stream bank on Spring Mt. road Comment
  RSA155529  Alnus rhombifolia L. S. Rose 1960-9-14 60093 Sonoma Laguna de Santa Rosa, 2 miles east of Grafton 15 Comment
  SEINET10511202  Alopecurus saccatus A. Arthur Heller 1902-6-10 Heller 5685 Sonoma Santa Rosa. Comment
  RSA234553  Amaranthus retroflexus Peter Rubtzoff 1971-8-31 6665 Sonoma Todd Road near Stony Point Road Comment
  CAS-BOT-BC44967  Ambrosia chamissonis Mary P. Wells 1981-7-1 s.n. Sonoma Goat Rock State Beach Comment
  RSA90498  Amelanchier florida M. V. Ott 1934-3-31 82 Sonoma Larkspur Hill about 3 miles W of Bodega, near the coast. Comment
  SEINET3917971  Ammophila arenaria K. Thorne 1984-11-21 3659 Sonoma Sea Ranch, 2.5 mi S of Gualala, stabilized coast dunes old sheep ranch.; 0 Comment
  CAS-BOT-BC26900  Amsinckia communis Alice Eastwood 1921-5-8 10448 Sonoma Petaluma Comment
  UC486489  Amsinckia intermedia H. E. and S. T. Parks 1930-5-9 609 Sonoma Knights Valley Comment
  POM71550  Amsinckia intermedia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  UC1084531  Amsinckia intermedia Peter Kamb 1952-5-30 2293 Sonoma 8 mi w of Petaluma (on road to Marshall) Comment
  SD41402  Amsinckia spectabilis Edith A. Purer 1932-7-21 Sonoma Bodega Bay Comment
  RSA0089704  Amsinckia vestita Amos Arthur Heller 1940-4-22 15547 Sonoma Anderson Valley. Comment
  POM44461  Anagallis arvensis Janet Beckman 1882-7-17 s.n. Sonoma Duncans Wills. 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
  SEINET11993493  Anagallis arvensis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -172 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 485 Comment
  UCD123943  Anagallis arvensis Erik Beever 1993-5-8 218 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. 304 Comment
  CAS-BOT-BC391877  Anemone grayi Ella Dales Cantelow 1939-4-10 4233 Sonoma 7 mi. e. of Seaview 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
  SD109160  Angelica californica Joseph M. DiTomaso 1980-6-13 1592 Sonoma 4900 Trinity Road, between Glen Ellen and Oakville Comment
  UC640633  Angelica californica Alice Eastwood, John Thomas Howell 1938-7-6 6084 Sonoma Alder Glen Springs Comment
  UC496379  Anisocarpus madioides Merle Randall 1930-6-7 Sonoma Cazadero Comment
  CAS-BOT-BC271443  Anisocarpus madioides John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 54015 Sonoma Fairfield Osborn Preserve of teh Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC173818  Anthemis cotula Peter Rubtzoff 1959-6-13 4139 Sonoma Willow Creek Marsh. Comment
  UCD15834  Anthemis cotula K. Mawdsley 1998-6-30 44 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco. 10 air miles E of Santa Rosa. 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Meadow Trail about 100 yds west of Education Center and gate. 350 Comment
  RSA293047  Anthemis fuscata Reino Alava 1957-3-23 524 Sonoma Along the State Highway no. 101 at Asti Comment
  CAS-BOT-BC137768  Anthoxanthum aristatum G. DeNevers 1981-5-30 1419 Sonoma Pepperwood Ranch. Low place east of the Pippindale Pond. Comment
  RSA47832  Anthoxanthum aristatum L. Beane, Lois E. James 1949-5-11 1942 Sonoma About half way between Healdsburg and Windsor Comment
  UCD56134  Anthoxanthum aristatum Beecher Crampton 1955-4-5 2415 Sonoma 2 miles southwest of Windsor. Comment
  CAS-BOT-BC488329  Anthoxanthum aristatum subsp. aristatum Ayzik Solomeshch 2009-5-14 s.n. Sonoma 2.3 km SE of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1 Comment
  CAS-BOT-BC280668  Anthoxanthum occidentale Peter Rubtzoff 1955-5-14 1844 Sonoma Duncans Mill Marsh. Area above the Marsh, along a western tributary of Orrs Creek Comment
  UC576279  Anthoxanthum odoratum H. S. Yates 1937-6-6 6583 Sonoma 1 mi e of Duncan Mills 91 Comment
  CAS-BOT-BC447659  Aphanes arvensis Milo S. Baker 1927-3-4 20099 Sonoma Hillside back of Maple Glen Comment
  UC22905  Apocynum androsaemifolium F. T. Bioletti 1892-7-5 Sonoma s. Los Guilucos Comment
  UC66036  Apocynum cannabinum A. A. Heller 1902-6-22 5732 Sonoma Santa Rosa Comment
  UC1084439  Arbutus menziesii G. Thomas Robbins 1940-3-21 299 Sonoma 5-6 mi e of Windsor (along Chalk Hill Road); Chalk Hill Road 91 Comment
  UCD168049  Arceuthobium campylopodum James Neilson 1981-7-1 4044 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
  RSA629202  Arctostaphylos Jon E. Keeley 1993-9-11 24781 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629215  Arctostaphylos Jon E. Keeley 1993-9-11 24775 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629217  Arctostaphylos Jon E. Keeley 1993-9-11 24782 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24083  Arctostaphylos bakeri Walter Knight; Stephen W. Edwards 1986-8-17 5511 Sonoma Sweetwater Springs road across from large old mine. Comment
  CAS-BOT-BC24085  Arctostaphylos bakeri R. F. Hoover 1968-2-23 10896 Sonoma Harrison Grade road near summit Comment
  CAS-BOT-BC24089  Arctostaphylos bakeri John Thomas Howell 1934-2-22 11732 Sonoma 2 miles east of Occidental Comment
  OBI14770  Arctostaphylos bakeri H. E. McMinn 1936-4-5 4409 Sonoma About 2 mi N of Occidental Comment
  UC1120874  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1553 Sonoma 1 mi ne Occidental; Sebastopol Quadrangle Comment
  UC549711  Arctostaphylos bakeri J. E. Adams 1935-3-1 1031 Sonoma Occidental Comment
  UCD50405  Arctostaphylos bakeri Freed W. Hoffman 1948-4-1 2753 Sonoma Dutch Bill Creek near Camp Meeker. Comment
  POM209915  Arctostaphylos bakeri subsp. bakeri H. E. Parks, S. T. Parks 1931-3-31 0926 Sonoma Graton Rad near intersection with Tanuda Road (east of Occidental) Comment
  SBBG28818  Arctostaphylos bakeri subsp. bakeri L. S. Rose 1934-2-22 34032 Sonoma 2 mi E of Occidental Comment
  UCD50407  Arctostaphylos bakeri subsp. sublaevis Roger Raiche 1982-4-10 20301 A Sonoma King Ridge Rd. (4.5 mi. n. of jct. with Ft. Ross Rd.) about 0.7 mi. in from King Ridge Rd. on Old Layton Mine Rd. On topo map, area is called 'The Cedars,' north of Cazadero, in Sonoma County. Comment
  RSA44383  Arctostaphylos canescens subsp. canescens L. S. Rose 1949-3-27 49017 Sonoma 3 mi. east of Beltane. 457 Comment
  SBBG119552  Arctostaphylos canescens subsp. canescens C. Bornstein, E. Collins 2006-8-24 Sonoma Park Gardens Drive, Rincon Ridge Comment
  CAS-BOT-BC23968  Arctostaphylos canescens subsp. canescens Milo S. Baker Fall 1936 8622 Sonoma Rutherford - Glen Ellen road halfway to summit Comment
  LA42280  Arctostaphylos canescens subsp. sonomensis H. F. Copeland; 1933-3-18 A 12 Sonoma Rincon Ridge, north of Santa Rosa Comment
  LA88623  Arctostaphylos canescens subsp. sonomensis Robert F. Thorne; 1965-4-20 34387 Sonoma Rincon Ridge, Robert Sone's place on Rock Ridge Lane - Montecito Ave. Santa Rosa 106 Comment
  RSA74468  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1933-3-18 7331 Sonoma Rincon Ridge, 2 mi. NE of Santa Rosa. Comment
  UC1120075  Arctostaphylos canescens subsp. sonomensis A. E. Wieslander 1939-3-18 877 Sonoma s edge Rincon hills; Santa Rosa Quadrangle Comment
  UC1120077  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1575 A Sonoma 3/4 mi sw County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  SEINET11989213  Arctostaphylos canescens var. sonomensis W. Knight, Knight, I. 1982-1 4669 Sonoma Tilden Botanic Garden, Berkeley, originally from Sones property on Rincon Ridge, Montecito Ave near Comment
  SEINET11989282  Arctostaphylos canescens var. sonomensis W. Knight, Knight, I. 1982-1 4443 Sonoma Tilden Botanic Garden, Berkeley, originally from Rincon Ridge Comment
  CAS-BOT-BC23650  Arctostaphylos columbiana J. E. Adams 1934-3-28 731 Sonoma Seven miles north of Fort Ross Comment
  UC549698  Arctostaphylos columbiana J. E. Adams 1935-3-28 730 Sonoma seven mi n Fort Ross Comment
  CAS-BOT-BC23640  Arctostaphylos columbiana Mary P. Wells; Mary Rhyne; John Madison 1985-11-4 694 A Sonoma About half mile south of Gualala River Comment
  CAS-BOT-BC24986  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5770 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC25014  Arctostaphylos densiflora Peter Rubtzoff 1952-3-22 870 Sonoma Dry, open area separating the Western branch of the Upper Marsh from the Eastern. Comment
  CAS-BOT-BC25022  Arctostaphylos densiflora John Thomas Howell 1929-8-12 3488 a Sonoma Road NE of Occidental. Comment
  JEPS19873  Arctostaphylos densiflora H. L. Mason 1931-3-8 Sonoma w Santa Rosa; Vine Hill School Comment
  RSA32906  Arctostaphylos densiflora A. A. Heller 1941-3-2 15881 Sonoma about 9 miles west of Santa Rosa on roadside banks just west of the Vine Hill Schoolhouse Comment
  UC1281202  Arctostaphylos densiflora H. E. McMinn 1936-4-5 4412 Sonoma just w Vine Hill School (16 mi w of Santa Rosa) Comment
  UC549450  Arctostaphylos densiflora J. E. Adams 1934-3-28 723 Sonoma Vine Hill School Sta. Rosa Comment
  SEINET11991023  Arctostaphylos glandulosa f. cushingiana W. Knight, Knight, I. 1983-1 4700 Sonoma Trinity Grade 270 Comment
  CAS-BOT-BC23287  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1933-4-2 10941 Sonoma Rincon Ridge near Santa Rosa Comment
  JEPS79449  Arctostaphylos glandulosa subsp. glandulosa Edward Lee with W. A. Setchell 1936-6-7 2197 Sonoma s ridge Bohemian Grove Comment
  RSA107843  Arctostaphylos glandulosa subsp. glandulosa L. S. Rose 1955-3-21 55035 Sonoma Rincon Ridge, 2 mi. NE of Santa Rosa. 152 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
  UCD50864  Arctostaphylos hispidula Roger Raiche 1984-2-26 RR 40044 Sonoma ca. 9.1 miles north of origin of Skaggs Springs-Stewarts Point Road on Rockpile Road. 502 Comment
  CAS-BOT-BC38991  Arctostaphylos manzanita Roger Raiche 1983-7-10 30491 M Sonoma East Austin Creek State Rec. Area, Near fire road near confluence of Gilliam Creek and Schoolhouse Creek. 121 Comment
  LA42191  Arctostaphylos manzanita H. F. Copeland; 1933-3-18 A 9 Sonoma Mt Hood, Residence of M. S. Baker, at W base Comment
  RSA633061  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24712 Sonoma Along Calistoga Road, 18 km southwest of Highway 128. 220 Comment
  SEINET2028701 Image available Arctostaphylos manzanita H. F. Copeland 1933-3-18 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa Comment
  UCD52233  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1066 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  SEINET11990972  Arctostaphylos manzanita Unknown 1983-1 30489 Sonoma ridge is eastern end of Rocky Mt. Ridge W of Blue Rock between Gray Creek to S & Devils Creek to N 305 Comment
  SEINET11990976  Arctostaphylos manzanita Unknown 1983-1 30491 H Sonoma near confluence of Thompson Creek & East Austin Creek, East Austin Creek St. Rec. Area 91 Comment
  SEINET11990977  Arctostaphylos manzanita Unknown 1983-1 30499 E Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11990993  Arctostaphylos manzanita R. Raiche, Edwards, S. W. 1983-1 101 Sonoma The Cedars, E of ridge on Twitchell property near Cazadero 274 Comment
  SEINET11995488  Arctostaphylos manzanita W. Knight, Knight, I.; Edwards, S. 1987-1 6336 Sonoma Pepperwood, Devil's Kitchen 229 Comment
  SEINET11996224  Arctostaphylos manzanita J. T. Vale, Wagnon, K. 1989-1 s.n. Sonoma Cavedale Road 305 Comment
  SEINET11993704  Arctostaphylos manzanita subsp. bakeri Unknown 1985-1 50899 Sonoma NE end of town of Healdsburg on Reservoir Hill 122 Comment
  CAS-BOT-BC38906  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11302 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38911  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena Comment
  UCD55063  Arctostaphylos manzanita subsp. elegans Ellen Dean; California Department of Forestry Personnel 2006-4-26 3001 Sonoma Top of Mt. St. Helena. 1319 Comment
  CAS-BOT-BC38676  Arctostaphylos manzanita subsp. manzanita Stephen W. Edwards 1982-5-30 s.n. Sonoma The Cedars Ride north of Cazadero, northwest of King Ridge Road at source of Big Austin Creek on serpentine. Comment
  CAS-BOT-BC38713  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1952-3-22 870 Sonoma Open area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC38882  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1931-3-14 5772 Sonoma Vine Hill District, 10 miles west of Santa Rosa. Comment
  RSA655453  Arctostaphylos manzanita subsp. manzanita Beecher Crampton 1955-6-17 2978 Sonoma 2.4 miles south of Monte Rio, road to Camp Meeker. Comment
  SBBG60026  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 9 Sonoma residence of M.S. Baker, at W base of Mt Hood Comment
  UC1094000  Arctostaphylos manzanita subsp. manzanita Lewis S. Rose 1955-3-21 55033 Sonoma 2 mi ne Santa Rosa; Rincon Ridge 152 Comment
  UC1281098  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1936-4-5 4410 Sonoma along road just w Vine Hill School House Comment
  CAS-BOT-BC38715  Arctostaphylos manzanita subsp. manzanita Gary D. Wallace 1974-12-23 1348 Sonoma NE of Occidental 2 mi on Grafton Rd. 152 Comment
  CAS-BOT-BC38719  Arctostaphylos manzanita subsp. manzanita William R. Dudley 1893-2-1 s.n. Sonoma L. A. Jr. Arboretum Comment
  UCD52885  Arctostaphylos nummularia G. L. Stebbins Jr. 1970-7-14 7055 Sonoma Three miles northwest of Plantation. 274 Comment
  CAS-BOT-BC47340  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 6 Sonoma Rincon Ridge, near Santa Rosa. Comment
  CAS-BOT-BC47350  Arctostaphylos stanfordiana A. A. Heller; H. E. Brown 1902-3-27 5171 Sonoma Western base of Mt. Hood. From type region. Comment
  JEPS98851  Arctostaphylos stanfordiana James B. Roof 1963-2-28 Sonoma Mt. St. Helena 868 Comment
  RSA636809  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24746 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  SD143521  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 11 Sonoma Spring Mountain Road, about 8 mi. E of Santa Rosa Comment
  UC126754  Arctostaphylos stanfordiana Miss Alice Eastwood 1907-3-29 Sonoma Mt. St. Helena Comment
  UCR279734  Arctostaphylos stanfordiana Ann Howald 2016-1-23 3555 Sonoma North Coast Ranges, Annapolis Ridge, west side Annapolis Rd c. 0.6 mile south of intersection with Soda Springs Rd, just north of transfer station 207 Comment
  CAS-BOT-BC43878  Arctostaphylos stanfordiana Jacob Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4086 Sonoma at Napa/Sonoma county line in Butts Canyon Comment
  JEPS83499  Arctostaphylos stanfordiana subsp. decumbens Jack and Betty Guggolz 1986-2-22 847 Sonoma Sones-Finley properties Comment
  UC1520696  Arctostaphylos stanfordiana subsp. decumbens R. Raiche 1985-2-3 50041 Sonoma unnamed ridge on w side Dry Creek Valley (n of Crane Creek and s of Bradford Mt.) 182 Comment
  RSA202120  Arctostaphylos stanfordiana subsp. stanfordiana Freed W. Hoffman 1947-4-13 782 Sonoma Magnesite Lodge, Gilliam creek, near Guerneville. Comment
  RSA364258  Arctostaphylos stanfordiana subsp. stanfordiana Roger Raiche 1983-9-25 RR- 30733 Sonoma Clipper Mill Bridge, Stewarts Point Road (2.6 miles east on that road from Highway 1). Comment
  SEINET11987147  Arctostaphylos viscida S. W. Edwards 1981-1 s.n. Sonoma near upper end of Los Alamos Rd, near entrance to Hood Mountain County Park Comment
  CAS-BOT-BC47464  Arctostaphylos viscida subsp. viscida Irja Knight; Walter Knight; Tiffany Knight; Dr. Steve Edwards 1985-7-21 5210 Sonoma Red Hill on Pine Flat Road 653 Comment
  CDA20097  Arctotheca prostrata G. Bjork 2003-3-24 PDR 1279789 Sonoma North Coast Ranges; at 4052 Hessel Rd, Sebastopol. 0 Comment
  UC1084356  Aristolochia californica G. Thomas Robbins 1937-3-25 15 Sonoma Santa Rosa Creek just e. of Santa Rosa on hwy. to Sonoma Comment
  UCD98459  Armeria maritima subsp. californica Chris Bowen 1974-6-2 148 Sonoma near State Highway 1, Sea Ranch. 12 Comment
  UCD98503  Armeria maritima subsp. californica Ross Swenerton 1966-4-16 22 Sonoma On hill overlooking ocean, Duncan's Landing. 15 Comment
  CAS-BOT-BC368030  Arnica discoidea Greg de Nevers 1998-6-15 11285 Sonoma CYO Camp on Bohemian Highway. Comment
  UCD164250  Arrhenatherum elatius Peter Rubtzoff 1979-8-5 9302 Sonoma Freestone Marsh area; along Bohemian Highway at Freestone Flat Road junction, southeast of Freestone marsh. Comment
  CAS-BOT-BC90493  Artemisia douglasiana Peter Rubtzoff 1951-9-2 699 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC90495  Artemisia douglasiana Walter Knight; Irja Knight 1963-10-3 313 Sonoma Bennett Valley Comment
  UC1197607  Asclepias fascicularis Joseph P. Tracy 1937-8-28 15678 Sonoma Knights Valley; North Coast Ranges 152 Comment
  CAS-BOT-BC222857  Asclepias solanoana Helen K. Sharsmith 1952-6-18 4128 Sonoma Inner North Coast Ranges. Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains 975 Comment
  CAS-BOT-BC68783  Aspidotis densa Roxana S. Ferris; Laura Lorraine 1961-6-14 13523 Sonoma Junction of Bittner Road with Joy Road between Occidental and Bodega Comment
  CAS-BOT-BC68785  Aspidotis densa Catherine Best 1983-4-16 s.n. Sonoma On serpentine on the Bohemian Hwy. about 3 miles north of Occidental. Comment
  UC574627  Astragalus breweri W. H. Brewer 979 Sonoma Fields in Sonoma Valley Comment
  UC71995  Astragalus breweri Milo S. Baker Apr 1898 684 Sonoma Peach Flat Comment
  CAS-BOT-BC178659  Astragalus claranus R. C. Barneby 1954-4-30 11238 Sonoma Open grassy hills in shallow volcanic clay soil, 7 mi. n.e. of Santa Rosa, near Alpine School 167 Comment
  CAS-BOT-BC186824  Astragalus gambelianus Greg de Nevers 1995-6-6 10750 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  SEINET7067264  Astragalus gambelianus A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  CAS-BOT-BC186823  Astragalus gambelianus Mrs. C. A. Burlingame 1922-5-1 s.n. Sonoma Sonoma Comment
  RSA227214  Athyrium filix-femina subsp. cyclosorum Peter Rubtzoff 1957-6-28 3384 Sonoma Ducans Mills Marsh Comment
  UCD38525  Avena barbata Beecher Crampton 1956-3-13 3227 Sonoma Asti. Comment
  UCD56210  Avena barbata Beecher Crampton 1956-3-13 3227 Sonoma Along U.S. Hwy. 101. Italian-Swiss Colony Winery Grape Vineyard area. Asti. Comment
  UCR152284  Avena barbata Beecher Crampton 1956-3-13 3227 Sonoma North Coast Range, Asti Comment
  RSA785373  Avena fatua Peter Rubtzoff 1972-5-25 6766 Sonoma Laguna, Chileno Valley. Comment
  SD254556  Azolla filiculoides Ann Howald, Christina Freeman 2015-1-1 3411 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, northwest corner, south of Marsh Trail (Kenwood 7.5'Q) 362 Comment
  CAS-BOT-BC68338  Azolla filiculoides Peter Rubtzoff 1963-6-22 5189 Sonoma Bennett Mtn. Lake Comment
  LA203025  Baccharis pilularis C. B. Wolf; E. R. Johnson 1934-10-13 6182 Sonoma 2.4 mi. N of mouth of Russian River 60 Comment
  CAS-BOT-BC99783  Baccharis salicifolia A. A. Heller; H. E. Brown 1902-4-18 5327 Sonoma Near Windsor Comment
  POM56589  Baccharis salicifolia Michener, Bioletti 1893-06 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC16694  Barbarea orthoceras Peter Rubtzoff 1951-6-9 163 Sonoma Pitkin Marsh, near Forestville. Forest south of the Upper Marsh. Comment
  UCR255701  Barbarea vulgaris Peter Rubtzoff 1989-6-10 10005 Sonoma Along Russian River, c. 6 miles east of Guerneville, at 9850 River Road 14 Comment
  UCR248773  Beckmannia syzigachne Peter Rubtzoff 1970-6-14 6263 Sonoma Marsh on River Road, c. 3 miles west of Fulton 27 Comment
  UCD129544  Bellis perennis Mary M. Hektner 1975-4-29 189 Sonoma Sea Ranch, near State Highway 1. Comment
  CHSC22858  Berula erecta Robert A. Schlising 1963-7-27 2630 Sonoma In fresh water marsh adjoining salt marsh on east side of Bodega Penninsula. Comment
  CAS-BOT-BC102052  Bidens cernua Peter Rubtzoff 1951-9-15 760 Sonoma Pitkin Marsh, near Forestville; lower part of the Upper Marsh Comment
  CAS-BOT-BC290706  Bidens frondosa Peter Rubtzoff 1962-9-16 5090 Sonoma Vacation Beach, 1.5 miles below Guerneville along Russian River. Comment
  UCR248943  Bidens frondosa Peter Rubtzoff 1960-6-25 4509 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  CAS-BOT-BC102006  Bidens frondosa W. & I. Knight 1984-8-28 5291 Sonoma Spring Lake, Santa Rosa Comment
  CAS-BOT-BC290566  Bidens laevis Peter Rubtzoff 1954-11-18 1764 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC27854  Blennosperma bakeri Milo Samuel Baker 1946-3-28 11307 Sonoma Western outskirts of Sonoma Comment
  JEPS25829  Blennosperma bakeri Wayne Roderick 1961-4-2 Sonoma 0.8 mi n of junction of State Highway 37 and Arnold Drive; on the e side of Arnold Drive Comment
  JEPS35788  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
  UC1224619  Blennosperma bakeri Peter H. Raven 1963-4-28 18251 Sonoma 4.7 mi s of, on Arnold Drive El Verano Comment
  CDA10525  Blennosperma bakeri T. C. Fuller 1977-4-21 20200 Sonoma North of the fence of the Church of Christ, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  SEINET4964102  Blennosperma bakeri Unknown 1946-1 Sonoma Comment
  UC1211922  Blennosperma nanum var. nanum John H. Weiler 1961-2-17 615 Sonoma 3.4 mi n of, along State Highway 12 Agua Caliente Comment
  CAS-BOT-BC105962  Blennosperma nanum var. nanum G. H. Mallory 1920-3-29 s.n. Sonoma Hills at east end of Sonoma Ave., Santa Rosa Comment
  UC353927  Blennosperma nanum var. nanum Milo S. Baker 1928-3-24 2617 b Sonoma near, along Pacific Hiway Windsor Comment
  CAS-BOT-BC154960  Boisduvalia Peter Rubtzoff; Nancy Harrison 1974-9-7 7861 Sonoma Hinebaugh Creek in Rohnert Park, W of Commerce Blvd. Comment
  CAS-BOT-BC154961  Boisduvalia Peter Rubtzoff 1978-8-12 9252 Sonoma Russian River at Del Rio Beach, ca. 2.5 miles E of Healdsburg on S. Fitch Mtn. Road. Comment
  CAS-BOT-BC154965  Boisduvalia densiflora Peter Rubtzoff 1960-9-14 4544 Sonoma Laguna de Santa Rosa, E of Graton (btwn. Occidental & Guerneville Roads) Comment
  RSA790866  Boisduvalia densiflora Peter Rubtzoff 1969-8-26 6154 Sonoma River Road. 3 miles W of Fulton. Comment
  UC20854  Bowlesia incana Bolander 1866-4-11 4633 Sonoma Petaluma Comment
Read comments
Mar 13 2009
  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
  UC420422  Boykinia occidentalis Milo S. Baker 1898-1 Sonoma Santa Rosa Canyon Comment
  UCD102604  Boykinia occidentalis K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC145448  Brachypodium distachyon John Thomas Howell 1948-4-18 24214 Sonoma Hills east of Agua Caliente. Comment
  CAS-BOT-BC145480  Briza maxima H. S. Yates 1936-5-16 5606 Sonoma 2 miles southeast of Forestville. 30 Comment
  CSUSB472  Briza maxima L. L. Williams 1971-5-13 Sonoma Collected in North Coastal Sage at junction of road inland with Highway 1, south of Stewarts Point on headland. 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
  UCD57364  Briza maxima Beecher Crampton 1959-6-16 5371 Sonoma 0.2 miles E of Occidental. Comment
  CAS-BOT-BC145481  Briza maxima L. Beane; Lois E. James 1949-5-16 1949 Sonoma About 3 miles south of Cloverdale. 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
  UCD19912  Briza maxima C. H. Lamoureux; J. M. Tucker, J. McCaskill, and S. Armstrong 1957-4-7 1193 Sonoma 1 mile north of junction of Hwy 12 and Calistoga Rd., near Santa Rosa. 15 Comment
  UCD57380  Briza minor Charles B. Heiser Jr. 1946-5-19 1753 Sonoma Russian River near Duncan Mills. Comment
  UCD57399  Briza minor Charles B. Heiser Jr. 1946-5-19 1753 Sonoma Russian River near Duncan Mills. Comment
  CAS-BOT-BC132208  Brodiaea californica var. leptandra Milo S. Baker 1925-6-1 234 a - local Sonoma Adobe [Canon] Canyon above Kenwood Sp. Comment
  CAS-BOT-BC474558  Brodiaea coronaria 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
  JEPS27976  Brodiaea elegans subsp. elegans Rimo Bacigalupi and L. Heckard 1961-6-9 7733 Sonoma at junction of Joy Road and Bittner Road 1.75 mi sw Occidental 249 Comment
  CAS-BOT-BC486536  Brodiaea elegans subsp. elegans Peter Rubtzoff 1968-6-20 5898 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road Comment
  CAS-BOT-BC486539  Brodiaea elegans subsp. elegans Roxana S. Ferris; Laura Lorraine 1961-6-15 13573 Sonoma Junction of Occidental Road with Facendini Lane Comment
  SEINET7096771  Brodiaea stellaris 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
  CAS-BOT-BC486502  Brodiaea stellaris Milo S. Baker 1923-7-26 1278 Sonoma Lamb Ranch near head of South Fork of Yager Comment
  CAS-BOT-BC486525  Brodiaea stellaris anonymous 1922-6-1 s.n. Sonoma Collected in Burbank's Garden (Santa Rosa) Comment
  UC3336  Brodiaea terrestris subsp. terrestris Harley P. Chandler 1900-5-25 672 Sonoma Bodega Comment
  CAS-BOT-BC486456  Brodiaea terrestris subsp. terrestris H. C. Cantelow 1941-6-7 s.n. Sonoma Open grassy hill top, 4.2 miles north of Jenner Comment
  CAS-BOT-BC486459  Brodiaea terrestris subsp. terrestris Peter Rubtzoff; Nancy Harrison 1978-5-20 9183 Sonoma Cunningham Marsh area on north side of Blucher Creek valley. Comment
  CAS-BOT-BC486467  Brodiaea terrestris subsp. terrestris Mark Okada 1971-6-10 s.n. Sonoma Route ] , 3miles south of Gualala Comment
  CAS-BOT-BC486473  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1951-6-2 85 Sonoma Uppermost part of the northern branch of the Upper Marsh, near the edge of the thickett Comment
  CAS-BOT-BC486474  Brodiaea terrestris subsp. terrestris V. Penalosa 1961-5-24 1578 Sonoma Slope above Upper Stemple Creek Marsh Comment
  UC37619 Image available Bromus arizonicus H. N. Bolander 3985 Sonoma Mark West Creek Comment
  SJSU6768  Bromus briziformis J. L. Tipton 1976-5-1 Sonoma orchard 3 mi SE of Sebastopol 121 Comment
  UCD57972  Bromus carinatus P. B. Kennedy 1915-6-1 s.n. Sonoma Northern Sonoma County. Del Mar. 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
  UCD58317  Bromus carinatus var. californicus P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa. Calistoga. Petrified forest road. Comment
  UC1155620  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1942-5-12 3231 Sonoma 2.8 mi n of Occidental (on road to Monte Rio) Comment
  UC1155624  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1942-5-12 3232 Sonoma Sebastopol Comment
  UC577602  Bromus carinatus var. carinatus H. S. Yates 1934-6-21 Sonoma near Bodega 60 Comment
  UCD58378  Bromus catharticus Collector unknown 1941-7-1 Sonoma Santa Rosa. Comment
  CAS-BOT-BC155957  Bromus commutatus Peter Rubtzoff 1959-5-30 4071 Sonoma Freestone Marsh. Comment
  UCD36630  Bromus commutatus Beecher Crampton 1955-6-8 2820 Sonoma Sonoma County, Alexander Valley, along Highway 128, 0.5 mile north of Calistoga cutoff. Comment
  SEINET10517953  Bromus diandrus A. Arthur Heller 1902-4-17 Heller 5322 Sonoma Santa Rosa. Comment
  CAS-BOT-BC155213  Bromus hordeaceus Mary P. Wells 1984-4-23 190 Sonoma Rincon Valley, Santa Rosa. Comment
  CAS-BOT-BC155214  Bromus hordeaceus G. DeNevers 1981-5-12 1132 Sonoma Pepperwood Ranch. North arm of Garrison Canyon. Comment
  UCD58836  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3558 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC162397  Bromus laevipes G. DeNevers 1981-5-9 1101 Sonoma Pepperwood Ranch. South of Redwood Canyon. Comment
  UCD144425  Bromus laevipes Frederica Bowcutt 1994-6-25 1914 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Grey Pine Trail about 1/2 way between Brushy Peak Trail and Meadow Trail. 530 Comment
  UCD58886  Bromus laevipes Beecher Crampton 1959-6-16 5365 Sonoma 3 miles west of Graton. Comment
  UCD160851  Bromus madritensis subsp. rubens James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3284 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SEINET14440067  Bromus orcuttianus J. A. Churchill 1974-5-1 74 3022 Sonoma CAmp Meeker Comment
  CAS-BOT-BC185425  Bromus vulgaris K. Wagnon 1939-5-14 197 Sonoma Eastern edge of Wagnon's rock quarry 5 mile west of Sebastopol. Comment
  UC766916  Bromus vulgaris R. F. Hoover 1941-5-14 5097 Sonoma sw of Occidental (near Joy District School) Comment
  UCD60236  Bromus vulgaris P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis. Comment
  UCD60243  Bromus vulgaris B. Crampton 1955-6-17 2928 Sonoma 1.6 miles west of Forestville. Comment
  UCD60255  Bromus vulgaris Mary M. Hektner 1976-5-6 262 Sonoma Unit 34-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC233703  Buddleja davidii Catherine Best 1984-8-18 1042 Sonoma Russian River Highway about .5 miles east of Monte Rio Comment
  CAS-BOT-BC233704  Buddleja davidii Catherine Best 1984-8-18 1042 Sonoma Russian River Highway about .5 miles east of Monte Rio Comment
  POM232048  Cakile maritima var. maritima Roxana S. Ferris 1937-8-18 9370 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  SEINET10843394  Calamagrostis P. Rubtzoff 1967-8-22 Rubtzoff 5856 Sonoma SE of Lower Salmon Creek Marsh. Comment
  UCR254853  Calamagrostis bolanderi Greg de Nevers 1996-6-17 10831 Sonoma CYO Camp south of Occidental on Bohemian Highway [2136 Bohemian Hwy, Occidental] 122 Comment
  CAS-BOT-BC185402  Calamagrostis bolanderi Mary P. Wells 1985-10-4 677 Sonoma Along road in forest south of Gualala River. Comment
  CAS-BOT-BC368031  Calamagrostis bolanderi Greg de Nevers 1998-6-15 11287 Sonoma CYO Camp on Bohemian Highway. Comment
  CAS-BOT-BC185124  Calamagrostis nutkaensis David D. Keck 1948-6-29 5929 Sonoma 2 miles north of Fort Ross. 45 Comment
  SDSU970  Calamagrostis nutkaensis D. F. Howe 1963-7-3 3582 Sonoma 19 miles north of junction with #12 on #1 Comment
  SEINET10900606  Calamagrostis nutkaensis George B. Van Schaack, George F. Freytag 1950-8-15 Van Schaack 3074 Sonoma 5 m S of Stewart's Point, Comment
  JEPS128372  Calamagrostis ophitidis Roger Raiche 1999-6-20 016 .99 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC963876  Calamagrostis ophitidis Milo S. Baker 1947-5-30 11772 Sonoma along Harrison Grade ca 2 mi ne Occidental; Nort Bay Counties Comment
  UC1146684  Calamagrostis ophitidis Freed W. Hoffman 1941-6-1 2185 Sonoma Oregon Canyon Comment
  UC903715  Calandrinia breweri Milo S. Baker 1947-4-22 11694 Sonoma McCatney Ranch Hood Mt. (w slope of mountain) 213 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
  UCR142045  Calendula officinalis Beecher Crampton 1970-3-12 8545 Sonoma Sonoma, 1st Street West, just south of RR depot 30 Comment
  CAS-BOT-BC290610  Callitriche Peter Rubtzoff 1972-6-11 6776 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC290710  Callitriche heterophylla Peter Rubtzoff 1967-5-21 5843 Sonoma Guerneville Marsh. Comment
  UC1101513  Callitriche heterophylla var. bolanderi Malcolm A. Nobs 1949-8-1 1106 Sonoma 2 mi e Stewart's Point (on road to Geyserville) Comment
  CAS-BOT-BC290709  Callitriche marginata Peter Rubtzoff 1972-5-25 6748 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC368090  Callitriche marginata Greg de Nevers 1998-5-5 11224 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  HSC100960  Callitriche marginata Peter Warner, Sarah Gordon 2011-5-16 199 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), 175 m E144 deg. S from swimming pool. 210 Comment
  CAS-BOT-BC293678  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4607 Sonoma Upper Stemple Creek Marsh. Comment
  JEPS61685  Calochortus luteus W. L. Jepson 1918-6-23 7656 Sonoma Windsor Poor Man's Flat Comment
  SD69996  Calochortus luteus Darley F. Howe 1968-5-21 Sonoma 7.7 miles on road east of Petaluma. Comment
  CAS-BOT-BC132250  Calochortus raichei R. Raiche 1986-7-29 60282 Sonoma North of Cazadero, The Cedars, Red Slide Creek (central branch) 390 Comment
  NY319591  Calochortus raichei R. Raiche 1986-7-7 60214 Sonoma N of Cazadero, The Cedars, headwaters of Big Austin Creek, near Laton Mine. 840 Comment
  CAS-BOT-BC494037  Calochortus tolmiei A. A. Heller; H. E. Brown 1902-1-11 5263 Sonoma Bodega Bay Comment
  CAS-BOT-BC132635  Calochortus uniflorus Alice Eastwood 1921-4-24 10336 Sonoma Santa Rosa Comment
  SD254491  Calochortus uniflorus Ann Howald, Christina Freeman 2015-4-13 3340 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, south shore, ca. 300 feet north of intersection Pig Flat and Marsh trails. 363 Comment
  UC672142  Calochortus uniflorus Herbert L. Mason 1928-4-13 4327 Sonoma near Petaluma Comment
  CAS-BOT-BC270847  Calycadenia pauciflora David D. Keck 1944-7-11 5511 Sonoma The Geysers, Mayacamas Range Comment
  CAS-BOT-BC91007  Calycanthus occidentalis Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis. Comment
  POM149132  Calycanthus occidentalis A. A. Heller 1902-6-11 5689 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  SD134014  Calycanthus occidentalis Peter Rubtzoff 1971-9-3 6698 Sonoma Springy area along southeastern border of Spring Creek Reservoir area. Comment
  SEINET8565825 Image available Calycanthus occidentalis S. L. G. 1892-1 2919 Sonoma Comment
  CHSC27858  Calypso bulbosa Pauline kunst 1977-3-6 12 Sonoma Abundant, ca. 0.2 mi ne of jct of Camp Meeker Occidental Rd. and Sylvania Heights, Camp Meeker. 188 Comment
  UC494235  Calypso bulbosa Anna E. Ehlers April 1920 532 Sonoma Cascadero, (4 mi in redwoods) Cascadero 487 Comment
  RSA710255  Calystegia collina R. K. Brummitt 1998-5-15 19860 Sonoma 17 km NNE of Healdsburg, on Pine Flat Road near Red Hill. 198 Comment
  JEPS87230  Calystegia collina subsp. collina Jack and Betty Guggolz 1991-4-10 1107 Sonoma about 3 mi n Oakmont (Santa Rosa, gorwing on n side of Los Alamos Road about a half-mi e of a high-power line crossing); n of Oakmont, Santa Rosa 524 Comment
  HSC96671  Calystegia collina subsp. oxyphylla Thomas W. Nelson, Jane Nelson 2004-5-5 9198 Sonoma Along Pine Flat Rd. 2 mi. from jct. with Hwy. 128 136 Comment
  JEPS87234  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1992-5-2 1268 Sonoma About 3/8 miles northeast of White Rock is about 1 3/4 miles north of Jimtown 377 Comment
  SEINET12329965  Calystegia purpurata subsp. purpurata F. H. Utech 1986-1 86 -097 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  CAS-BOT-BC32999  Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  OBI35908  Calystegia soldanella David J. Keil 1983-6-29 17192 Sonoma Doran Beach County Park, Bodega Head Comment
  CAS-BOT-BC497687  Camassia quamash Greg de Nevers 1996-4-18 10790 Sonoma Knights Valley, marsh at south end of valley at base of hills, on Bavarian Lion Ranch 137 Comment
  UC72485  Camassia quamash subsp. quamash Milo S. Baker 1897-4-5 Sonoma Coast Road Comment
  UCD103511  Camissoniopsis cheiranthifolia H. A. Borthwick 1925-6-7 1844 Sonoma Willow Camp. Comment
  CAS-BOT-BC160365  Camissoniopsis cheiranthifolia subsp. cheiranthifolia A. A. Heller 1940-5-17 15626 Sonoma North of the town of Bay, Bodega Bay Comment
  JEPS48129  Campanula angustiflora Milo Baker 1942-5-27 10203 Sonoma along road turning n Spring Mt. Road summit (near boundary of Sonoma and Napa Counties) 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
  UC353824  Campanula californica Milo S. Baker 1928-6-28 3046 b Sonoma Pitkin Marsh Vine Hill District Comment
  UCD66816  Campanula californica Mary M. Hektner 1974-8-27 182 A Sonoma Sea Ranch. Near State Highway 1. Unit 24 Owners' Map. Comment
  SEINET10463915  Campanula californica Wolf 1927-9-2 WOLF 1355 Sonoma 21 MI S OF GUALALA RIVER ON COAST ROAD Comment
  CAS-BOT-BC37195  Capsella bursa-pastoris Walter Knight; Irja Knight 1963-10-6 490 Sonoma Petaluma. Jess Street. Comment
  UCD165158  Capsella bursa-pastoris Peter Rubtzoff 1974-5-19 7443 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC37761  Cardamine californica Milo S. Baker 1924-4-27 Local 104 c-24 Sonoma Coopers Grove. Comment
  UC10434  Cardamine californica F. T. Bioletti 1894-1 Sonoma Kenwood Comment
  CAS-BOT-BC37771  Cardamine californica John H. Thomas 1966-3-22 11535 Sonoma About 2.7 miles from Sebastapol toward Santa Rosa along Highway 12. Comment
  CAS-BOT-BC38027  Cardamine oligosperma Peter Rubtzoff 1955-5-14 1852 Sonoma Duncans Mills Marsh. In upper portion of marsh. Comment
  CAS-BOT-BC281763  Carduus pycnocephalus G. DeNevers 1981-5-9 1058 Sonoma Along road below the Strebel Homestead Comment
  CAS-BOT-BC281764  Carduus pycnocephalus John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54683 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  CDA19871  Carduus pycnocephalus P. Lane 2002-5-14 PDR P 092606 Sonoma North Coast Ranges; King St in Petaluma. 0 Comment
  UCD166509  Carduus tenuiflorus Peter Rubtzoff 1962-7-14 4992 Sonoma Lower Salmon Creek Marsh. Comment
  SEINET7546986  Carex albida J. T. Howell, J. W. Stacey 1937-1 Sonoma Comment
  CAS-BOT-BC18140  Carex athrostachya Peter Rubtzoff 1958-5-3 3611 Sonoma Atascadero Creek Marsh. Comment
  UCR208538  Carex athrostachya Peter Rubtzoff 1960-5-29 4426 Sonoma Laguna de Santa Rosa near Trenton [Rd.], south of Woolsey Road Comment
  CAS-BOT-BC371452  Carex barbarae Peter Rubtzoff 1953-5-16 1360 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCR249352  Carex barbarae Peter Rubtzoff 1958-5-10 3637 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  CAS-BOT-BC19371  Carex barbarae G. DeNevers 1981-3-14 528 A Sonoma Pepperwood Ranch. Pippindale farm, 7 miles NE of Santa Rosa, near Mark West lodge. In Leslie Creek. In Mark West Creek. Comment
  CAS-BOT-BC310301  Carex barbarae Peter Rubtzoff 1969-8-24 s.n. Sonoma 3 miles west of Fulton on north side of River Road. Comment
  HSC101105  Carex barbarae Peter Warner 2011-6-1 211 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Springs Rd. at Mark West Lodge); on E bank of Mark West Creek, about 150 m NNE of Pelm house. 211 Comment
  RSA0023067  Carex barbarae Peter Rubtzoff 1958-5-10 3655 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  CAS-BOT-BC19567  Carex bolanderi James Jokerst 1985-4-26 2269 Sonoma Near Caldwell Ranch. Comment
  CAS-BOT-BC20473  Carex densa John Thomas Howell 1937-7-4 13073 Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC20482  Carex densa John Thomas Howell 1945-5-30 20891 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC20514  Carex densa Peter Rubtzoff 1954-6-7 1478 Sonoma Sonoma County Marshes. Guerneville Marsh. Comment
  UC590029  Carex densa H. S. Yates 1936-5-3 5575 Sonoma 1 mi ne Petrified Forest; Calistoga Quadrangle 304 Comment
  UCD140258  Carex densa Frederica Bowcutt 1994-5-1 1785 Sonoma Sugarloaf Ridge State Park. About 40 air miles north of San Francisco. About 11 air miles east of Santa Rosa. About 1.5 air miles north of Kenwood. About 18 air miles northwest of Napa. In main campground. Ca. 150 yards south of Sonoma Creek; 1/4 mile NW of confluence with Rattlesnake Creek at toe of Sugarloaf Ridge. 350 Comment
  UCD151070  Carex densa James A. Neilson Jr. 1974-6-1 2767 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, ca. 3 1/2 mi. west of Whispering Pines and state highway 175, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  CAS-BOT-BC20475  Carex densa G. DeNevers 1981-4-11 683 Sonoma Pepperwood Ranch. South of 3 Tree Hill. Comment
  CAS-BOT-BC20479  Carex densa Alice Eastwood; John Thomas Howell 1936-5-19 2526 A Sonoma 2 miles north of Cloverdale. Comment
  RSA91588  Carex densa Alice Eastwood, J. T. Howell 1936-5-19 2500 Sonoma North limits of Santa Rosa. Comment
  UCD112449  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Stony Point Marsh. Comment
  RSA0015632  Carex exsiccata Peter Rubtzoff 1955-9-9 2115 Sonoma Bodega Head Marsh. Comment
  SEINET10650312  Carex exsiccata A. Arthur Heller 1902-7-1 Heller 5798 Sonoma Lagoon at Scbastopol. Comment
  SEINET10921611  Carex festiva Henry N. Bolander Bolander 3814 Sonoma Meadow near Mark West Creek, Comment
  UC855  Carex gracilior H. N. Bolander 1866-4-12 4635 Sonoma Comment
Read comments
Apr 5 2008
  CAS-BOT-BC146598  Carex gynodynama Lewis S. Rose 1964-6-3 64053 Sonoma N end of Bodega Bay 1 Comment
  UC1562593  Carex gynodynama Barbara Ertter with Susan D'Alcamo 1988-5-1 7470 Sonoma meadow across Hwy. 1 from entrance to s-most campground; Salt Point State Park Comment
  UCR248716  Carex gynodynama Peter Rubtzoff 1962-5-11 4829 Sonoma Freestone Marsh 79 Comment
  RSA0022421  Carex gynodynama Peter Rubtzoff 1964-5-20 5317 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC21901  Carex harfordii J. W. Congdon 1880-5-12 s.n. Sonoma Petaluma. Comment
  SEINET1783034  Carex lacunarum A. A. Heller 1902-7-1 5797 Sonoma At Sebastopol. Comment
  CAS-BOT-BC31173  Carex lemmonii John Thomas Howell 1945-5-30 20889 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC31175  Carex lemmonii R. F. Hoover 1939-5-30 4111 Sonoma Perry's Ranch near Sebastopol. Comment
  CAS-BOT-BC31179  Carex lemmonii Peter Rubtzoff 1951-6-16 260 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC310305  Carex obnupta Peter Rubtzoff 1964-6-20 s.n. Sonoma Laguna de Santa Rosa, southeast of Sebastopol (near Cooper Road). Comment
  CAS-BOT-BC119318  Carex obnupta LeRoy Abrams 1920-7-3 7606 Sonoma Gualala River near Mendocino-Sonoma Co. Line. Comment
  UCD140707  Carex obnupta R. N. Raynor 1942-4-10 s.n. Sonoma 9 miles west of Petalum on road to Tomales. Comment
  RSA201424  Carex ovalis J. T. Howell 1947-6-5 23240 Sonoma Cunningham Marsh Comment
  UC766939  Carex pachystachya R. F. Hoover 1941-5-14 5081 Sonoma 3 mi s Monte Rio (on road to Camp Meeker) Comment
  JEPS117098  Carex pachystachya Peter Warner 2010-7-7 170 Sonoma Jenner Headlands, Middle Pasture, ~ 565 m, S 223 deg W of residence house Comment
  CAS-BOT-BC118939  Carex pellita Peter Rubtzoff 1952-5-31 1118 Sonoma Pitkin Marsh, near Forestville. Southern half of the Lower Marsh. Comment
  UCR248723  Carex pellita Peter Rubtzoff 1962-5-11 4820 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  CAS-BOT-BC117673  Carex serratodens Gregory Clark de Nevers 1987-4-25 8164 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd. 400 Comment
  CAS-BOT-BC117674  Carex serratodens Gregory Clark de Nevers 1981-4-25 804 Sonoma Pepperwood Ranch, near the main Pepperwood entrance, along the Creek Comment
  RSA0023000  Carex serratodens Peter Rubtzoff 1974-6-9 7586 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC329283  Carex stipata Peter Rubtzoff 1960-6-9 4483 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  UCR248868  Carex stipata Peter Rubtzoff 1958-5-17 3679 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  CAS-BOT-BC310296  Carex stipata Peter Rubtzoff 1955-6-4 1904 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC117358  Carex stipata var. stipata John Thomas Howell; J. W. Stacey 1937-6-6 13021 Sonoma Sebastopol Comment
  HSC7082  Carex subbracteata L. S. Rose 1964-6-3 64052 Sonoma N end of Bodega Bay swamp 2 Comment
  CAS-BOT-BC116778  Carex subbracteata var. subbracteata J. W. Stacey 1933-5-7 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC329284  Carex tumulicola Peter Rubtzoff 1954-8-2 1620 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC350935  Carex tumulicola Peter Rubtzoff 1957-5-26 3359 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC281916  Carthamus lanatus Peter H. Raven; R. Snow 1958-7-23 13684 Sonoma Near a farm above Wolf Creek, along road to Stewart's Point, 15.5 miles W of Skaggs Springs Comment
  CAS-BOT-BC281919  Carthamus lanatus Walter & Irja Knight; J. T. Howell 1988-7-9 s.n. Sonoma SE corner Adobe Rd and Petaluma Hill Rd. Penngrove Comment
  RSA234562  Carthamus lanatus Peter Rubtzoff 1960-7-5 6110 Sonoma Ca. 6 mo. northeast of Penngrove, on Lichan Road Comment
  UCD129938  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma ca. 1 mile west of Asti turn-off of the freeway, Hwy 101, Asti. Comment
  UC726108  Castilleja ambigua subsp. ambigua A. A. Heller 1940-6-12 15722 Sonoma w of Two Rocks Comment
  UC1063442  Castilleja attenuata H. S. Yates 1934-4-22 3845 Sonoma 2 mi s Mark West; Calistoga Quad. 152 Comment
  JEPS19380  Castilleja campestris subsp. campestris G. Thomas Robbins 1937-5-23 183 Sonoma between Santa Rosa and Sebastopol (along roadside near Wright School) Comment
  UC535060  Castilleja densiflora subsp. densiflora H. E. and S. T. Parks 1930-5-7 632 Sonoma n end Knight's Valley 106 Comment
  UC886468  Castilleja densiflora subsp. densiflora Alice Eastwood 1921-4-24 10340 Sonoma Santa Rosa Comment
  HSC82079  Castilleja exserta subsp. exserta Thomas W. Nelson, Jane P. Nelson 1980-5-3 5126 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  UCD122530  Castilleja foliolosa Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 64 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. 259 Comment
  SD131915  Castilleja franciscana L. R. Heckard 1964-6-12 1384 Sonoma On SE facing slope back from the ocean in Russian Gulchnear point where highway loops backwestward (about 2I(c) miles N of mouth of Russian River) 91 Comment
  CAS-BOT-BC243852  Castilleja latifolia Ella Dales Cantelow 1938-5-7 2413 Sonoma 4 1/2 mi. NW of Bodega Comment
  SEINET7067225  Castilleja rubicundula subsp. lithospermoides A. G. Vestal 1947-5-12 s.n. Sonoma About 1 mile east of Occidental on the Occidental Road. Coordinate datum: NAD27. Comment
  JEPS35570  Castilleja subinclusa subsp. franciscana L. R. Heckard 1964-6-12 1384 Sonoma about 2.5 mi n mouth of Russian River (slope back from the ocean in Russian Gulch, near point where highway loops back w); Russian Gulch 91 Comment
  UC353922  Castilleja subinclusa subsp. franciscana Milo S. Baker 1928-3-24 2721 a Sonoma 5 mi w Healdsburg (Martin Ranch) Comment
  JEPS60453  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-29 6691 Sonoma 0.25 mi from Willow Creek Road junction with Highway 1 (on Willow Creek Road, just s of Russian River) Comment
  CAS-BOT-BC195605  Catapodium rigidum G. DeNevers 1981-7-19 1761 Sonoma Garrison yard Comment
  CAS-BOT-BC56929  Ceanothus Walter Knight; Steve Edwards 1985-11-17 5185 Sonoma Franz Valley School Road, near old schoolhouse Comment
  CAS-BOT-BC48518  Ceanothus confusus Milo S. Baker 1939-3-20 9244 Sonoma ca. 4 mi. north of Santa Rosa on road past County Hospital Comment
  CAS-BOT-BC48521  Ceanothus confusus J. Clausen 1933-3-26 735 Sonoma Rincon Range east of Santa Rosa Comment
  JEPS83712  Ceanothus confusus R. Raiche 1988-3-28 80020 Sonoma e Guerneville (e end of Gilder Ridge and just w of Wohler Bridge); Mt. Jackson area Comment
  JEPS85897  Ceanothus confusus Jack and Betty Guggolz 1991-5-4 Sonoma found at several locations along the fire-break up the S side of Bradford Mountain, about a mile W of the Dry Creek Road 323 Comment
  RSA21893  Ceanothus confusus J. T. Howell 1935-5-5 12621 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  UC1071291  Ceanothus confusus C. M. Belshaw 1936-3-8 1571 Sonoma Rincon Ridge, 1 1/2 mi N of County Farm 251 Comment
  CAS-BOT-BC49199  Ceanothus cuneatus A. A. Heller; H. E. Brown 1902-3-12 5045 Sonoma Sonoma Creek, Eastern Base of Mt. Hood Comment
  UCD160146  Ceanothus cuneatus James A. Neilson Jr. 1974-4-24 2716 Sonoma Mayacmas Mountains, Squaw Creek drainage, at site of geothermal well Ottoboni 17. (Exact location of Ottoboni 17 unknown; this record is georeferenced along Ottoboni Ridge Road in The Geysers; elevation estimated by label-maker). 967 Comment
  UC1299546  Ceanothus cuneatus var. cuneatus Freed W. Hoffman 1947-5-30 520 Sonoma Layton Mine, Auston Creek North Coast Ranges Comment
  UC580708  Ceanothus cuneatus var. cuneatus C. M. Belshaw 1936-3-8 1583 Sonoma .75 mi n. Annadel; Santa Rosa quad. 144 Comment
  UCD112098  Ceanothus cuneatus var. cuneatus Frederica Bowcutt 1996-5-19 2134 Sonoma Sugarloaf Ridge State Park. About 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood, and 18 air miles northwest of Napa. Along the ridgeline and on the Napa/Sonoma County line, about 0.5 air mile east of Bald Mountain. Gray Pine Trail. 731 Comment
  JEPS128182  Ceanothus cuneatus var. ramulosus Roger Raiche 2001-3-17 005 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS116512  Ceanothus divergens Peter Warner 2009-4-10 99 Sonoma Pepperwood Preserve; ; ; Pepperwood Preserve, Franz Valley Road, approx. 0.6 mi WNW of Jct. Franz Valley - Franz Valley School Roads 300 Comment
  UC18322  Ceanothus foliosus State Survey 1862-4-18 984 Sonoma near Sonoma Comment
  UCD112129  Ceanothus foliosus J. M. Tucker 1951-6-26 2144 Sonoma Near Top of the World Ranch, ca. 5 miles due east of Glen Ellen. Comment
  SEINET11191419  Ceanothus foliosus subsp. foliosus C. L. Schmidt 1987-2-27 1135 Sonoma 4 miles up Cavedale from CA-12, Hooker Canyon. 500 Comment
  SBBG4198  Ceanothus foliosus var. foliosus M. Van Rensselaer 1941-4-27 1637 Sonoma Trinity Rd, Mt Hood Range Comment
  CAS-BOT-BC49907  Ceanothus foliosus var. foliosus E. Ruckert 1960-4-17 104 Sonoma Trinite Road, 1/2 mile east of Highway 12 304 Comment
  RSA300966  Ceanothus foliosus var. vineatus D. C. Michener 1982-7-26 4118 Sonoma Vine Hill School road, 100' west of Vine Hill school, lot west of residence 6096; north road bank between vineyard and road 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-BC50002  Ceanothus gloriosus John Thomas Howell 1935-5-5 12616 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC631633  Ceanothus gloriosus var. exaltatus G. Thomas Robbins 1940-3-22 300 Sonoma Guerneville road, Vine Hill region, about 8 1/2 miles west of Santa Rosa. 45 Comment
  UC70430  Ceanothus gloriosus var. exaltatus Milo S. Baker 1898-4-2 24 Sonoma near Guerneville. Comment
  RSA285634  Ceanothus gloriosus var. exaltatus D. C. Michener 1982-7-26 4119 Sonoma Frei road 0.1 mile east of jct with Hwy 166 (east of Graton) Comment
  CAS-BOT-BC49975  Ceanothus gloriosus var. gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S. of Stewart's Point Comment
  CAS-BOT-BC49979  Ceanothus gloriosus var. gloriosus Milo S. Baker 1923-4-1 s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC63741  Ceanothus griseus Walter Knight; Irja Knight 1964-2-28 565 Sonoma Ca. 6 mi. n. of Stewarts Point. Comment
  UC917250  Ceanothus griseus C. B. Heiser Jr. 1946-4-13 1753 Sonoma Roadside near Jenner Comment
  RSA63688  Ceanothus incanus Howard N. Jensen 1942-4-29 27 Sonoma SW corner science bldg on Santa Rosa Junior College Campus Comment
  SEINET12211380  Ceanothus integerrimus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -270 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CDA37445  Ceanothus integerrimus var. macrothyrsus D. G. Kelch, T. McGregor 2010-8-22 10 .343 Sonoma Geyser Peak Rd. Comment
  UC1070785  Ceanothus jepsonii C. M. Belshaw 1936-3-8 1584 Sonoma .75 mi n. Annadel (nw of Kenwood); Santa Rosa quad. Comment
  UC1299548  Ceanothus jepsonii Freed W. Hoffman 1947-2-28 765 Sonoma near Guerneville (headwaters of Gilliam Creek); North Coast Ranges, headwaters of Gilliam Creek Comment
  UC70452  Ceanothus jepsonii Milo S. Baker 1898-6-11 662 Sonoma near Geysers (Hog Back) Comment
  SACT002940  Ceanothus jepsonii J. Mensch 1963-4-10 Sonoma 15 miles east of Stewarts Point on road from Geyserville. 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
  SEINET12210777  Ceanothus jepsonii var. albiflorus B. A. Stein 1981-1 452 Sonoma West slope of Mt. St. Helena, Ida Clayton Road 427 Comment
  CAS-BOT-BC51888  Ceanothus parryi H. E. McMinn 1922-6-7 165 Sonoma Camp Meeker Comment
  CAS-BOT-BC51890  Ceanothus parryi A. A. Heller; H. E. Brown 1902-4-22 5337 Sonoma Between Santa Rosa and Agua Caliente Comment
  SJSU14042  Ceanothus parryi C. L. Schmidt 1986-4-11 1109 Sonoma Trinity Rd, 1.5 mi E of Hwy 12 198 Comment
  UC334414  Ceanothus parryi unknown 1892-5-4 Sonoma near Guerneville; near Guerneville, Armstrong Park Comment
  UCD112491  Ceanothus parryi Beecher Crampton 1955-6-17 2933 Sonoma Sonoma County, 3.3 miles west of Forestville, along State Highway 12. Comment
  CAS-BOT-BC52124  Ceanothus prostratus J. Clausen 1933-3-26 736 Sonoma Rincon Range east of Santa Rosa Comment
  SEINET12211281  Ceanothus ramulosus W. Knight, Schmidt, C. 6056 Sonoma Cavedale Road 274 Comment
  CAS-BOT-BC53046  Ceanothus sonomensis Cliff Schmidt; Walter Knight 6055 Sonoma Cavedale Road 274 Comment
  RSA757810  Ceanothus sonomensis Dylan O. Burge 2008-5-25 DOB 991 c Sonoma Mayacmas Mountains, western slope of Hooker Canyon, at the residence of Marc Schwager and Allison Ash, Elarra Reserve, 3200 Cavedale Road, 4.5 km 92 degrees east-southeast of Glen Ellen. 500 Comment
  SBBG4259  Ceanothus thyrsiflorus var. griseus H. and M. Dearing 1939-5-15 3378 Sonoma N of Fort Ross Comment
  UC1071493  Ceanothus velutinus H. S. Yates 1934-4-21 3816 Sonoma near Guerneville; Duncans Mills Quad. Comment
  CAS-BOT-BC277158  Centaurea melitensis G. DeNevers 1981-5-30 1413 Sonoma Pepperwood Ranch. In Bertoli's Creek Comment
  JEPS44124  Centaurea solstitialis W. L. Jepson 1914-9-19 6190 Sonoma Agua Caliente Sonoma Valley, Agua Caliente 25 Comment
  SEINET12337137  Centaurium trichanthum Unknown 1986-1 60285 Sonoma at the Lac Co. line: Mayacamas Mts, Pine Mt fireroad, ca.1/2mi.N of Ida Clayton Rd 747 Comment
  UCD160839  Centromadia fitchii James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3482 Sonoma Section 10, ca. 1 mile west of the Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  CAS-BOT-BC271543  Centromadia parryi subsp. parryi John Thomas Howell 1930-10-5 5530 Sonoma Dry field 5.8 miles SW of Sonoma on Black Point cutoff Comment
  CAS-BOT-BC271544  Centromadia parryi subsp. parryi John Thomas Howell 1930-10-5 5530 Sonoma Dry field 5.8 miles SW of Sonoma on Black Point cutoff Comment
  CAS-BOT-BC251309  Cerastium Peter Rubtzoff 1960-5-18 s.n. Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC251310  Cerastium Peter Rubtzoff 1960-6-5 s.n. Sonoma Laguna de Santa Rosa, northeast of Graton, near Laguna Road Comment
  CAS-BOT-BC251311  Cerastium Peter Rubtzoff 1959-6-20 4155 Sonoma Willow Creek Marsh. Comment
  RSA800604  Cerastium Peter Rubtzoff 1954-8-13 1707 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC400227  Ceratophyllum demersum Peter Rubtzoff 1955-8-27 2103 Sonoma Bennett Mtn. Lake 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-BC279788  Chamaemelum fuscatum Philip A. Munz 1952-3-23 17351 Sonoma 2 miles south of Asti Vineyard (Italian Swiss Colony) Comment
  UCD137339  Cheilanthes intertexta Frederica Bowcutt 1994-6-24 1897 b Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/2 way from Bald Mountain Trail to Headwaters Trail. 566 Comment
  CAS-BOT-BC178699  Chenopodiaceae Peter Rubtzoff 1976-9-25 8903 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  POM169099  Chlorogalum pomeridianum var. pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian river. Comment
  CDA33563  Chondrilla juncea Robin Breckenridge & Katie Filippini 2010-7-22 PDR# 1313481 Sonoma Petaluma; Hwy 116/Lakeville Rd & Hwy 101. 0 Comment
  CAS-BOT-BC257027  Chorizanthe membranacea Anna F. Rodda 1929-5-6 s.n. Sonoma Geyserville Comment
  CAS-BOT-BC173825  Chrysanthemum Peter Rubtzoff 1970-9-3 6369 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC248858  Chrysolepis P. S. Manos 1989-10-7 907 Sonoma North Coast Range, Mount St. Helena. Trail near the top 900 Comment
  UCD84288  Cicendia quadrangularis Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UC22852  Cicendia quadrangularis F. T. Bioletti 1892-5-15 Sonoma Comment
  CAS-BOT-BC284428  Cirsium brevistylum John Thomas Howell 1930-6-8 5277 Sonoma 8 miles n. of Bodega Bay Comment
  CAS-BOT-BC279996  Cirsium douglasii var. douglasii Alice Eastwood 1915-6-29 4887 Sonoma Bodega Point Comment
  OBI16749  Cirsium douglasii var. douglasii Robert F. Hoover 1966-7-17 9914 Sonoma Sausal Crk N of Alexander Valley Comment
  UC178899  Cirsium douglasii var. douglasii Katharine Brandegee 1905-6-25 Sonoma Bodega Comment
  UCD130616  Cirsium douglasii var. douglasii P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC279999  Cirsium douglasii var. douglasii Lewis S. Rose 1939-5-14 39125 A Sonoma Bodega Bay 6 Comment
  CAS-BOT-BC280369  Cirsium occidentale var. venustum Peter Rubtzoff 1952-6-3 1144 Sonoma South slope of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC280366  Cirsium occidentale var. venustum Walter Knight; Irja Knight 1967-7-24 1966 Sonoma Between Santa Rosa and St. Helena on St. Helena Road about 2 miles from Napa County line Comment
  CAS-BOT-BC280531  Cirsium quercetorum John Thomas Howell 1930-6-8 5247 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC280535  Cirsium quercetorum Roxana S. Ferris 1932-5-27 8255 Sonoma North end of Bodega Bay Comment
  RSA73992  Cirsium remotifolium var. odontolepis M. S. Baker 1931-5-22 5209 Sonoma Bennett Valley Road, south of Weavers. Comment
  CAS-BOT-BC285897  Cirsium vulgare Mary P. Wells 1981-7-2 s.n. Sonoma Off end of Galleon's Reach, The Sea Ranch Comment
  RSA800600  Citrullus lanatus Peter Rubtzoff 1955-10-12 2169 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC251250  Clarkia Peter Rubtzoff 1974-5-26 7498 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC162555  Clarkia affinis Alva Day 1982-6-1 82 -58 Sonoma Pepperwood Ranch Comment
  SD62042  Clarkia amoena Darley F. Howe 1965-8-3 4098 Sonoma 2.4 miles east of Bodega Bay on Highway #6 Comment
  SEINET10492112  Clarkia amoena Tim Holtsford 1992-5-23 Holtsford 920523 -1 Sonoma Postwood lane, 0.1 mi n of mark west springs rd. Roadside slope-second growth In oak/digger pine habitat. Comment
  CAS-BOT-BC161061  Clarkia amoena subsp. amoena D. E. Breedlove 1962-6-6 2887 Sonoma Along State Highway 128, 0.9 mile northwest of U.S. Highway 101 at Cloverdale 106 Comment
  UC112987  Clarkia amoena subsp. amoena Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  CAS-BOT-BC161060  Clarkia amoena subsp. amoena H. Lewis; M. Lewis 1947-6-15 436 Sonoma Highway 1, Bodega Bay at west road to Doran Park Comment
  RSA108388  Clarkia amoena subsp. huntiana Harlan Lewis, M. Lewis 1951-7-10 866 Sonoma 4 miles W of Mark West Springs Comment
Read comments
May 11 2011
  CAS-BOT-BC172223  Clarkia concinna Alice Eastwood 1915-6-5 4595 Sonoma Petrified Forest Comment
  SEINET10492116  Clarkia concinna David B. Dunn, Melvin L. Conrad; Katherine L. Morris 1973-6-9 Dunn 20706 Sonoma 2 mi NW of Forestville on Hwy 116, Douglas Fir forest with some Oaks. Comment
  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
  UCD151107  Clarkia gracilis James A. Neilson Jr. 1974-6-1 s.n. Sonoma Mayacmas Mountains, Geyser Rock area, old road to Geyser Peak, ca. 3.5 mi. west of Whispering Pines, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  CAS-BOT-BC162512  Clarkia gracilis subsp. gracilis D. E. Breedlove 1980-6-27 44769 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC163136  Clarkia gracilis subsp. sonomensis A. A. Heller 1902-6-10 5682 Sonoma Santa Rosa Comment
  CAS-BOT-BC163139  Clarkia gracilis subsp. sonomensis A. A. Heller 1902-6-24 5752 Sonoma Near Burke's Sanitarium Comment
  CDA15740  Clarkia gracilis subsp. sonomensis G. F. Hrusa 1998-6-14 14592 Sonoma Knights Valley; side of Ida Clayton Rd., ~1.5 mi. E of Hwy. 128, NW shoulder of Mt. St. Helena. Comment
  JEPS43826  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 18 Sonoma 1/2 mi e Glen Ellen 30 Comment
  RSA60765  Clarkia gracilis subsp. sonomensis A. A. Heller 1902-6-10 5682 Sonoma Santa Rosa Comment
  UC1778626  Clarkia gracilis subsp. sonomensis G. F. Hrusa 1998-6-14 14592 Sonoma Knights Valley Region; Serpentine slopes on side of Ida Clayton Rd., ~1.5 mi. E of Hwy. 128, NW shoulder of Mt. St. Helena 450 Comment
  UC725843  Clarkia gracilis subsp. sonomensis A. A. Heller 1941-6-4 16162 Sonoma several mi e Santa Rosa (on the road to Sonoma) Comment
  RSA108400  Clarkia imbricata Harlan Lewis, M. Lewis 1951-7-10 865 Sonoma Santa Rosa to Guerneville; 6230 Vine Hill road Comment
  UCD104865  Clarkia purpurea Michelle Mahoney 1965-5-23 s.n. Sonoma On Old Fire Road off Highway 116 in Hacienda Park. 91 Comment
  CAS-BOT-BC163470  Clarkia purpurea subsp. quadrivulnera H. E. Parks; S. T. Parks 1930-5-10 0606 Sonoma In open hills around Knight's Valley Comment
  CAS-BOT-BC163471  Clarkia purpurea subsp. quadrivulnera Walter Knight; Irja Knight 1963-8-25 404 Sonoma Magnolia Ave, near cemetery, Petaluma Comment
  RSA177960  Claytonia exigua subsp. exigua R. F. Thorne 1965-4-20 34379 Sonoma ca. 3/4 mi.; Charles Newman s place up Los Alamos Rd., on Rincon Ridge. 396 Comment
  JEPS128323  Claytonia gypsophiloides Roger Raiche 2000-3-11 004 .00 Sonoma The Cedars. Lower Russian, Big Austin Creek watershed. Comment
  RSA304000  Claytonia gypsophiloides J. R. Shevock 1972-3-28 1486 Sonoma Road bank Hwy 128, N. of Cloverdale. 91 Comment
  UC625511  Claytonia gypsophiloides Frank W. Gould 1938-4-3 119 b Sonoma 1 mi w Sonoma County line (on the road from Calistoga) 182 Comment
  SEINET7075542  Claytonia parviflora A. G. Vestal 1955-5-6 s.n. Sonoma About 2.5 miles east of Occidental on the Occidental Road. 38? deg. 24' 30" North Latitude, -122? deg. 54' 3" West Longitude. UTM Zone 10, 508655mE, 4250919mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC443682  Claytonia perfoliata subsp. perfoliata Alice Eastwood 1921-4-24 10385 Sonoma Santa Rosa Comment
  UCD100809  Claytonia perfoliata subsp. perfoliata Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-27 77 A Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA534575  Clematis ligusticifolia Peter Rubtzoff 1962-9-16 5087 Sonoma Vacation Beach, 1.5 miles below Guerneville, along Russian River Comment
  CAS-BOT-BC92752  Clematis ligusticifolia W. W. Carruth 1900-7-1 s.n. Sonoma Russian River. Comment
  RSA0017422  Clematis ligusticifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC499957  Clintonia andrewsiana Rimo Bacigalupi 1926-5-8 1393 Sonoma Cazadero Comment
  SEINET12050353  Clintonia andrewsiana F. H. Utech 1988-1 88 -235 Sonoma Gualala River near CA 1 15 Comment
  CHSC43170  Collinsia grandiflora Jeffrey D. Prouty 1979-4-11 223 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
  UC972155  Collinsia greenei Helen K. Sharsmith 1952-6-18 4130 Sonoma ca 0.8 mi w jct Socrates Mine rd and Pine Flat-Middletown rd; Inner North Coast Ranges, Mayacamas Mtns 914 Comment
  UC725593  Collinsia heterophylla A. A. Heller 1940-5-10 15610 Sonoma ridge w of Skagg's Springs Comment
  OBI49261  Collinsia sparsiflora Michener & Bioletti, Bioletti April 1893 s.n. Sonoma Kenwood Comment
  RSA3296  Collinsia sparsiflora var. arvensis D. D. Keck 1931-4-2 999 Sonoma Boyes Springs 30 Comment
  UCD151166  Collinsia sparsiflora var. sparsiflora James A. Neilson Jr. 1974-3-27 3016 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  CAS-BOT-BC229544  Collomia diversifolia Peter Rubtzoff 1973-7-24 7201 Sonoma Upper Green Valley Marsh Comment
  UCR265087  Collomia heterophylla Ann Howald 2015-4-28 3373 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 11.5 miles west of intersection with Rockpile Rd, Warm Springs drainage 408 Comment
  CAS-BOT-BC230698  Collomia rawsoniana Walter Knight; Irja Knight; Tiffany Knight 1985-7-15 5144 Sonoma From garden of Knight, Petaluma Comment
  UCD127322  Conium maculatum Andreas Stohr 1996-5-19 27 Sonoma Roadside near to Pine Grove. 6 miles west of Petaluma. 100 Comment
  CAS-BOT-BC286005  Conyza bonariensis Mary P. Wells 1988-9-7 966 Sonoma At Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC288918  Conyza canadensis Catherine Best 1983-10-12 909 Sonoma At the edge of the Bodega Highway, 2 miles W of Freestone Comment
  UC845215  Corallorhiza maculata Juanita Charles 1932-4-16 5675 Sonoma along road to Plantation one mi beyond residence of Mr. Charles 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
  JEPS23537  Cordylanthus pilosus subsp. pilosus Peter H. Raven, R. Snow 1958-7-23 13690 Sonoma Occidental Comment
  JEPS6780  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1895-8-30 21341 Sonoma Petrified Forest Comment
  JEPS6813  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1895-8-30 21340 Sonoma Petrified Forest Comment
  JEPS16345  Cordylanthus tenuis subsp. capillaris H. L. Mason 1946-7-4 12900 Sonoma 2 mi e Occidental; ; E of Occidental, Sonoma Co. Comment
  JEPS103956  Cordylanthus tenuis subsp. capillaris Jack and Betty Guggolz 1991-7-20 1211 Sonoma N end of a large serpentine meadow Comment
  RSA0019561  Cornus californica Peter Rubtzoff 1951-7-22 534 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC209880  Cornus nuttallii A. T. Graff 1922-5-1 s.n. Sonoma Cazadero Comment
  RSA0045166  Cornus nuttallii Greg de Nevers 1993-4-27 10414 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Along Franz Creek east of 3865 Franz Valley Rd. 91 Comment
  UCD15008  Cornus nuttallii James Aronson 1977-4-15 20 Sonoma along Skaggs Springs Road, 12.7 miles west of the intersection with Dutcher Creek Road; Comment
  CAS-BOT-BC210428  Cornus sericea Peter Rubtzoff 1951-6-7 126 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC210432  Cornus sericea Peter Rubtzoff 1958-8-23 3909 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Road) Comment
  UCD117098  Cornus sericea subsp. occidentalis Peter Rubtzoff 1951-6-16 213 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  SACT002816  Corylus californica Herbert Copeland 1933-3-18 Sonoma Collected on roadside between Freestone and Sebastopol. Shrub 1 m tall. Comment
  SD38617  Cotula coronopifolia Edith A. Purer 1932-7-24 Sonoma Bodega Bay Comment
  CAS-BOT-BC173690  Cotula coronopifolia Peter Rubtzoff 1970-10-29 6419 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC173836  Cotula coronopifolia Peter Rubtzoff 1958-5-17 3660 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occiental Road). Comment
  RSA94302  Cotula coronopifolia Peter Rubtzoff 1952-5-10 1011 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC427646  Crassula aquatica Greg de Nevers 1993-5-30 10461 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 457 Comment
  CAS-BOT-BC427649  Crassula aquatica Peter Rubtzoff 1959-4-19 4040 Sonoma Laguna de Santa Rosa east of Sebastopol, near Santa Rosa road crossing. Comment
  SEINET11909863  Crataegus douglasii W. Knight, Knight, I. 1982-1 4609 Sonoma between Occidental and Freestone Comment
  CAS-BOT-BC143507  Crataegus gaylussacia Peter Rubtzoff 1959-5-30 4062 Sonoma Freestone Marsh Comment
  CAS-BOT-BC32984  Crataegus gaylussacia Amos Arthur Heller 1902-8-20 6052 Sonoma at Sebastopol Comment
  NY435881  Crataegus gaylussacia A. A. Heller 1902-8-20 6052 Sonoma Lagoon at Scbastopol. Comment
  RSA90509  Cressa truxillensis Milo S. Baker 1946-1 11710 Sonoma Less than 1 mi. N of junction of Sears Pt. cutoff and Black Point Hwy. Comment
  UCD142160  Croton setiger Lewis S. Rose 1964-8-26 64065 Sonoma 6.5 miles NE of Penngrove; 426 Comment
  CDA36048  Crupina vulgaris CDFA Staff Sep 1976 Sonoma Santa Rosa. 0 Comment
  CDA4472  Crupina vulgaris Willa May Lowary 1976-10-25 Sonoma From seed germinated in the Seed Laboratory, transferred to potting mix 7 September 1976; seed collected at Santa Rosa, Sonoma County, 7 July 1976. 0 Comment
  SEINET11686587  Crypsis W. Knight, Knight, I.; Edwards, S. W. 1984-1 5041 Sonoma along Willow Creek between Denman Flat & Corona Road, near Petaluma Comment
  CAS-BOT-BC190146  Crypsis schoenoides Peter Rubtzoff 1987-9-27 9855 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC190149  Crypsis schoenoides Peter Rubtzoff 1961-9-20 4756 Sonoma Laguna de Santa Rosa northeast of Graton, near Guerneville Road crossing. Comment
  CAS-BOT-BC190182  Crypsis vaginiflora Peter Rubtzoff 1958-9-6 3980 Sonoma Laguna de Santa Rosa north of Cunningham (near Todd Road). Comment
  CAS-BOT-BC368095  Cryptantha Greg de Nevers 1998-5-5 11229 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  CAS-BOT-BC376222  Cryptantha Greg de Nevers 1993-3-28 10336 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Shriver Canyon 304 Comment
  UC24715  Cryptantha intermedia H. N. Bolander Apr 1864 3817 Sonoma Mark West Creek Comment
  POM64218  Cryptantha leiocarpa A. A. Heller 1902-5-27 5615 Sonoma Bodega Bay Comment
  JEPS67871  Cryptantha torreyana Milo S. Baker 1898-4-23 620 Sonoma canyon of Santa Rosa Creek Santa Rosa Creek Comment
  UC1731388  Cryptantha torreyana Dean W. Taylor 1998-6-22 16688 Sonoma 0.3 mi along ridge from Eagle Rock Substation ((ridge dividing Bear Canyon from Squaw Cr.)); North Coast Ranges, Mayacamas Mountains, The Geysers Geother 792 Comment
  CDA11916  Cupressus macnabiana G. F. Hrusa, G. L. Stebbins 1994-4-8 11735 Sonoma North Coast Biodiversity Arena; Small tree 5 meters tall. Large population at Cavedale Edaphic Island, Cavedale Rd. approx. 2.7 m E of Hwy 12. Population varies toward C. sargentii and is associated with Quercus aff. durata, but no serpentine present in area. Comment
  UCD110844  Cupressus macnabiana Christopher Mallek 2008-1 s.n. Sonoma Hooker Canyon. 590 Comment
  CAS-BOT-BC85461  Cupressus sargentii John Thomas Howell 1933-4-2 10960 Sonoma Serpentine ridge, 2 miles east of Occidental Comment
  CAS-BOT-BC85471  Cupressus sargentii Carl Brandt Wolf; E. R. Johnson 1934-10-13 2140 Sonoma 2 8/10 mi. from Camp Meeker on road to Monte Rio 60 Comment
  CDA11140  Cupressus sargentii G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11551 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Large forest on W facing slope. Trees to 30 ft. Comment
Read comments
Jul 25 2018
  RSA144399  Cupressus sargentii Roxana S. Ferris, Laura Lorraine 1961-6-15 13565 Sonoma Harrison Grade, 1.3 mile from junction with Green Valley Road 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
  UCD164605  Cuscuta campestris Peter Rubtzoff 1975-9-28 8414 Sonoma Russian River bank at Forest Hills, 5.5 miles east of Guerneville. Comment
  CDA41304  Cuscuta howelliana G. F. Hrusa, A. Buckman (DFG) 1996-10-5 13583 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Sheet 2 of 3. Comment
  RSA788850  Cuscuta pentagona Peter Rubtzoff 1975-8-15 8321 Sonoma Laguna, Chileno Valley. Comment
  RSA0022352  Cynodon Peter Rubtzoff 1970-9-13 6385 Sonoma Russian River bottom at Forest Hills (5.5 mi east of Guerneville). Comment
  SBBG28837  Cynoglossum grande I. L. Wiggins 1932-3-12 5760 Sonoma between Knight's Valley and Franz Valley Comment
  CAS-BOT-BC312690  Cynosurus Peter Rubtzoff 1971-6-5 6515 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UCD60154  Cynosurus echinatus Freed W. Hoffman 1941-6-3 s. n. Sonoma Near Guerneville. Comment
  UCD60175  Cynosurus echinatus R. Tofsrud 1948-5-1 s. n. Sonoma Northeast Sonoma County. Comment
  CAS-BOT-BC350926  Cyperus Peter Rubtzoff 1978-7-19 9239 Sonoma Russian River at Del Rio Beach, c. 2.5 miles east of Healdsburg on South Fitch Mountain Road. Comment
  UCR254742  Cyperus Peter Rubtzoff 1970-9-2 6351 Sonoma Russian River bottom at Mirabel Park 5 Comment
  CAS-BOT-BC114509  Cyperus eragrostis D. E. Breedlove 1980-6-27 44734 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  CAS-BOT-BC114510  Cyperus eragrostis Catherine Best 1983-10-12 901 Sonoma Growing at the edge of the lake on Stoltz Lake ca. 2 mi NE of Occidental. Comment
  CAS-BOT-BC114511  Cyperus eragrostis Saichi Kawahara 1968-8-27 475 Sonoma West bank of Russian River off Hwy 116, 1/2 mi E of Duncan Mills. 3 Comment
  CAS-BOT-BC114515  Cyperus eragrostis Walter Knight; Irja Knight 1963-10-29 400 Sonoma Roblar Rd. Wet spot near county dump. Comment
  UC127290  Cyperus esculentus Brush and Son 1908-7-24 Sonoma Cloverdale Comment
  UC1100638  Cyperus niger Herbert L. Mason 1946-7-4 12884 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  CAS-BOT-BC113908  Cyperus niger var. capitatus Peter Rubtzoff 1953-11-1 1443 Sonoma Vacation Beach, Near Guerneville. Sandy beach of Russian River. Comment
  CAS-BOT-BC113912  Cyperus niger var. capitatus Peter Rubtzoff 1961-8-25 4723 Sonoma Forest Hills, E of Guerneville. Open, wet margin of Russian River. Comment
  CAS-BOT-BC70723  Cystopteris fragilis D. E. Breedlove 1980-6-28 44814 Sonoma Pepperwood Ranch W of Knights Valley Comment
  RSA177982  Cytisus monspessulanus Robert F. Thorne 1965-4-19 34309 Sonoma Guerneville Hwy, 1 mile E of Laguna Road; 4 miles W of Santa Rosa. 46 Comment
  UC70410  Cytisus scoparius Milo S. Baker 1899-5-7 Sonoma near Occidental Comment
  CAS-BOT-BC189850  Dactylis glomerata David L. Morgan 1956-5-18 s.n. Sonoma On Highway 12 (State) 5.4 miles south of Santa Rosa City Limits. Comment
  UC1100154  Damasonium californicum Herbert L. Mason 1928-4-13 4325 Sonoma near Petaluma Petaluma Comment
  CAS-BOT-BC445558  Damasonium californicum J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC192267  Danthonia californica A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point Comment
  CAS-BOT-BC192273  Danthonia californica G. DeNevers 1981-5-11 1124 Sonoma At the Red Corral, The old McCann Homestead. Pepperwood Ranch Comment
  CAS-BOT-BC192274  Danthonia californica G. DeNevers 1982-5-2 1979 Sonoma At the Garrison Canyon. Pepperwood Ranch Comment
  UC1131394  Danthonia californica var. americana H. S. Yates 1937-5-30 6541 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  RSA114300  Danthonia californica var. californica J. T. Howell 1957-6-13 32622 Sonoma slope bordering Pitkin Marsh Comment
  UC26120  Datura stramonium J. Burtt Davy Aug. 1896 4133 Sonoma Russian River Station U.P.C.R. Comment
  UC444931  Datura stramonium V. King Chesnut 1887-8-1 Sonoma Santa Rosa Comment
  CAS-BOT-BC376298  Daucus carota Greg de Nevers 1992-6-23 10176 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  CDA15310  Daucus carota G. F. Hrusa 1998-11-29 14907 Sonoma Foote Ranch, corner of Hwy 128 and Ida Clayton Rd., Knights Valley. 0 Comment
  SEINET11845323  Delairea odorata W. Knight, Knight, I. 1990-1 6568 Sonoma along Coast Hwy #1 northbound through Jenner Comment
  CAS-BOT-BC9575  Delphinium bakeri Milo S. Baker 1929-5-3 3429 Sonoma Coleman Valley Comment
  CAS-BOT-BC9574  Delphinium bakeri E. Armstrong 1932-5-7 5900 Sonoma Coleman Valley at Hedrin Ranch Comment
  RSA31776  Delphinium decorum A. A. Heller 1938-5-14 15089 Sonoma East of Bodega Bay. Comment
  RSA0016957  Delphinium decorum M. V. Ott 1934-3-31 75 Sonoma Larkspur Hill about 1 mi W of coast. Comment
  CAS-BOT-BC10007  Delphinium hesperium Alice Eastwood 1916-6-5 4599 Sonoma Petrified Forest on Calistoga Road Comment
  SBBG2150  Delphinium hesperium subsp. hesperium H. and M. Dearing 1933-5-14 384 Sonoma Cloverdale, Hopland grade Comment
  CAS-BOT-BC33152  Delphinium luteum Amos Arthur Heller; H. E. Brown 1902-4-11 5256 Sonoma Bodega Bay Comment
  JEPS23518  Delphinium luteum Vina Wiley Kraeger 1923-4-1 Sonoma Bodega Comment
  UC118641  Delphinium nudicaule J. W. Blankinship 1893-4-27 Sonoma Hood Mountain Comment
  UC424874  Delphinium nudicaule Milo S. Baker 1930-4-5 3930 d Sonoma Coast Road a few mi s Russian River Comment
  UC58221  Delphinium nudicaule A. A. Heller 1903-4-23 6604 Sonoma Fort Ross 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
  UCSB22476  Delphinium nudicaule McCarthy, Sharon 1965-4-16 Sonoma north of junction of 5th St. West and Verano Ave., Sonoma 60 Comment
  CAS-BOT-BC17105  Delphinium uliginosum Maxine Wilkes 1933-5-21 s.n. Sonoma Near Mt. St. Helena Comment
  UC467771  Delphinium variegatum Milo S. Baker May 1899 Sonoma near Kenwood Comment
  UC353904  Delphinium variegatum Milo S. Baker 1926-7 2140 a Sonoma Bennet Val Road near Summit Comment
  SEINET12090184  Dendromecon rigida W. Knight, Knight, I. 1981-1 3977 Sonoma 4.1 mi up Cavedale Road from junction of state route 12 Comment
  CAS-BOT-BC227658  Deschampsia Peter Rubtzoff 1962-6-13 4902 Sonoma Freestone Marsh. Comment
  SEINET10954050  Deschampsia cespitosa P. Rubtzoff 1976-6-5 Rubtzoff 8591 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UC1146616  Deschampsia cespitosa subsp. holciformis Freed W. Hoffman 1944-6-8 2032 Sonoma Kruz Ranch North Coast Ranges, Sonoma Coast, Kruz Ranch Comment
  UCD63803  Deschampsia cespitosa subsp. holciformis David L. Morgan 1956-6-26 Sonoma Bank above Shell Beach, 1/4 mile south of Goat Rock. Comment
  UC38010  Deschampsia danthonioides Michener and Bioletti 1893-5-29 108 Sonoma Kenwood Comment
  UCD62539  Deschampsia danthonioides Milo S. Baker 1938-6-1 10185 Sonoma Just south of Bennett Valley summit. Comment
  CAS-BOT-BC201963  Deschampsia elongata Peter Rubtzoff 1960-6-7 4461 Sonoma Austin Creek Marsh Comment
  CAS-BOT-BC201964  Deschampsia elongata Peter Rubtzoff 1952-6-10 1218 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  RSA227247  Deschampsia elongata Peter Rubtzoff 1962-5-25 4836 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  SEINET197660 Image available Desmazeria rigida Leo Koch 1940-5-19 964 Sonoma 349 Second Avenue Wood Residence; persisting at this locality for at least 10 years Comment
  CAS-BOT-BC221849  Dichanthelium acuminatum subsp. fasciculatum Mary P. Wells 1984-6-8 346 Sonoma Site for North Firestation, east of Highway #1. The Sea Ranch Comment
  SEINET242425 Image available Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-18 7139 f Sonoma NE Sonoma Co, The Geysers, 12 mi east of Cloverdale, ca. 1.2mi E of Geyser Resort area, slope of steam well no. 10 494 Comment
  CAS-BOT-BC502216  Dichelostemma capitatum A. A. Heller; H. E. Brown 1902-3-14 5065 Sonoma near Windsor Comment
  CAS-BOT-BC502219  Dichelostemma capitatum F. G. Kraus 1894-5-1 s.n. Sonoma Mountains near Calistoga Comment
  SEINET8472296  Dichelostemma capitatum subsp. capitatum W. Roderick 1967-5-20 s.n. Sonoma NW edge of Santa Rosa. 46 Comment
  JEPS79159  Dichelostemma multiflorum Nancy Harrison 1980-5-16 2124 Sonoma s of Piner Elementary School; Santa Rosa Comment
  CAS-BOT-BC209116  Digitaria sanguinalis John Thomas Howell 1957-9-26 32981 Sonoma Sandy Russian River bottom near Guerneville. Comment
  CAS-BOT-BC152036  Diplacus aurantiacus L. R. Abrams 1916-7-3 5780 Sonoma Petrified Forest Comment
  CAS-BOT-BC152039  Diplacus aurantiacus Walter Knight; Irja Knight 1963-10-27 441 Sonoma Spring Mt. Road Comment
  CAS-BOT-BC152293  Diplacus congdonii Milo S. Baker 1928-3-7 2729 c Sonoma Santa Rosa-St. Helena Road about 4 mi. East Rincon Summit Comment
  CAS-BOT-BC151752  Diplacus kelloggii Elmer I. Applegate 1934-3-25 8857 Sonoma Head waters of Sulphur Creek, west slope of Mayamaca Mountains Comment
  RSA74474  Dirca occidentalis Milo S. Baker 1942-5-20 10197 Sonoma 2 miles west of Bodega town on a road which turns right within the town Comment
  UC998321  Dirca occidentalis Milo S. Baker 1942-5-20 10197 Sonoma two mi w Bodega town (on a road which turns right within the town) Comment
  CAS-BOT-BC320507  Distichlis Peter Rubtzoff 1971-9-2 6683 Sonoma Todd Road 0.8 miles west of Highway 101. Comment
  RSA0022418  Distichlis Peter Rubtzoff 1971-8-23 6646 Sonoma Spring Hill Road, 0.8 miles SE of Bodega Hwy (of Two Rock Church). Comment
  UCD78109  Dittrichia graveolens Robert E. Preston 1999-11-9 1252 Sonoma Windsor, on NW corner of jct Old Redwood Hwy and Arata Lane. T8N R9W N edge of Sec 11 39 Comment
  HSC17870  Dodecatheon hendersonii F. Demostene 1966-4-2 13 Sonoma 2 mi. E of Healdsburg Comment
  CAS-BOT-BC154160  Downingia concolor var. concolor Peter Rubtzoff 1974-5-18 7439 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road. Comment
  UC1244021  Downingia concolor var. concolor John H. Weiler 1960-5-22 60128 Sonoma Schellville, Southern Pacific railroad gradings Schellville Comment
  UCD150850  Downingia concolor var. concolor Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  SEINET6059388  Downingia cuspidata Unknown 1976-6-5 8581 Sonoma False Lake Meadow area. Annadel State Park. Comment
  CAS-BOT-BC154161  Downingia pusilla Peter Rubtzoff 1972-4-23 6728 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  JEPS103635  Downingia pusilla Lisa Schultheis 1995-5-15 148 -95 Sonoma Santa Rosa. Alton Lane, approximately 0.25 miles W of Fulton Road Comment
  JEPS14401  Downingia pusilla W. L. Jepson 1921-5-6 9194 Sonoma Sonoma Valley Comment
  JEPS54476  Drosera rotundifolia Rimo Bacigalupi 1967-8-30 9313 Sonoma near eastern end of Templeman Road (se of Forestville); Pitkin Marsh 45 Comment
  UCSB3686  Drosera rotundifolia Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; northwest of Sebastopol; 1 mile north of Sousa Corners; toward south end of marsh Comment
  UC567171  Drymocallis glandulosa var. wrangelliana H. S. Yates 1934-4-21 3812 Sonoma near Bodega Port; Duncan Mills Quad. 7 Comment
  CAS-BOT-BC71016  Dryopteris arguta J. W. Congdon 1880-1-11 s.n. Sonoma Petaluma Comment
  SD95157  Dudleya cymosa Mark Cary 1971-4-22 45 Sonoma Canyon Road, 15 miles west of Geyserville. Comment
  CAS-BOT-BC428182  Dudleya cymosa subsp. cymosa Butterfield 1938-5-1 s.n. Sonoma Russian River Comment
  SD38625  Dudleya farinosa Edith A. Purer 1932-7-21 4036 Sonoma Bodega Bay Comment
  UC420755  Dudleya farinosa Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  UC933226  Dudleya farinosa Reid Moran June 1949 3185 Sonoma Jenner Comment
  UCR280185  Echinochloa crus-galli Peter Rubtzoff 1958-7-20 3794 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road) 30 Comment
  SEINET11690150  Echinochloa crus-galli W. Knight, Knight, I.; Howell, J. T. 1987-1 6283 Sonoma Llano Road between Gravenstein Hwy & Todd Road near sewage plant 20 Comment
  UCD60847  Echinochloa crus-galli Beecher Crampton 1960-11-29 5810 Sonoma 4 miles s.e. of Santa Rosa, Matanzas Creek. Comment
  UCD61074  Echinochloa muricata P. B. Kennedy 1925-8-4 Sonoma Petaluma. Comment
  UCD160914  Ehrendorferia chrysantha James A. Neilson Jr. 1975-7-8 3421 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  RSA94457  Eleocharis acicularis Peter Rubtzoff 1951-6-16 257 Sonoma Uppermost part of the western branch of the Uppper Marsh Comment
  CAS-BOT-BC269290  Eleocharis macrostachya Peter Rubtzoff 1976-5-30 8563 Sonoma Kenwood Marsh. 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-BC112662  Eleocharis parvula Peter Rubtzoff; Vanette Bunyan 1973-8-25 7257 Sonoma Lower Salmon Creek Marsh. Just east of Hwy 1. Comment
  CAS-BOT-BC112207  Eleocharis radicans Peter Rubtzoff 1960-6-5 4440 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  CAS-BOT-BC213785  Elymus X hansenii D. E. Breedlove 1980-6-28 44805 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD61432  Elymus elymoides Beecher Crampton 1959-6-16 5386 Sonoma 1 mile E of Occidental. Comment
  CDA36958  Elymus glaucus 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
  HSC9712  Elymus glaucus C. S. Chavez 1965-6-5 82 Sonoma 1 mi. N of Sebastopol on Guerneville Rd. Comment
  CAS-BOT-BC203708  Elymus glaucus subsp. glaucus Milo S. Baker 1945-5-15 10919 Sonoma 4 mi W of Santa Rosa near Wright's School Comment
  CAS-BOT-BC203712  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-3 1150 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  UCD38725  Elymus glaucus subsp. virescens Beecher Crampton 1957-7-11 4311 Sonoma 1.4 miles southeast of Bodega Bay. Comment
  CAS-BOT-BC235230  Elymus multisetus G. DeNevers 1981-7-1 1723 Sonoma Pepperwood Ranch. On the slope W of the Goat Pen in the Garrison Canyon Comment
  CAS-BOT-BC235231  Elymus multisetus G. DeNevers 1981-6-14 1510 Sonoma Pepperwood Ranch. On the face of Horse Hill, above the Mesa Comment
  CAS-BOT-BC235229  Elymus multisetus K. Wagnon 1939-5-20 207 Sonoma Glade west of Wagnon rock quarry, 5 miles west of Sebastopol Comment
  SEINET12773264  Elymus triticoides J. B. Davy 1897-9-18 4037 Sonoma Petaluma. Comment
  CAS-BOT-BC268060  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1693 Sonoma Guerneville Marsh. Comment
  UC20057  Epilobium ciliatum subsp. ciliatum J. Burtt Davy Aug., 1896 4136 Sonoma Russian River Comment
  UCD166203  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1969-8-26 6150 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  RSA800036  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1969-8-26 6150 Sonoma On River Road. 3 miles W of Fulton. Comment
  JEPS43869  Epilobium ciliatum subsp. watsonii Eleanor Armstrong May 1932 523 Sonoma 3 mi n Bodega Bay (swampy locality) 30 Comment
  UC1042438  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1951-7-14 444 Sonoma on edge of thicket near creek (s edge of Lower Marsh, near Forestville); Pitkin Marsh, Lower Marsh Comment
  UC424852  Epilobium ciliatum subsp. watsonii Milo S. Baker 1929-4-17 3513 Sonoma Bodega Rd near Bay Comment
  CAS-BOT-BC290557  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1962-8-22 5052 Sonoma Bodega Bay Marsh. Comment
  HSC101098  Epilobium densiflorum Peter Warner 2011-8-10 228 Sonoma Jenner Headlands property, Muniz Ranch Rd., about 0.5mi. N from Hwy. 1 intersection. 56 Comment
  UCD167453  Epipactis gigantea James Neilson 1983-6-13 4100 Sonoma near headwaters of East Austin Creek. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC210086  Equisetum Peter Rubtzoff 1964-8-20 5462 Sonoma Americano Creek area, Petaluma-Valley Ford roadside near Bloomfield. Comment
  RSA790976  Equisetum Peter Rubtzoff 1973-9-8 7302 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC57130  Equisetum X ferrissii John Thomas Howell 1951-5-28 27502 Sonoma Eastern branch of the Pitkin Marsh Comment
  CAS-BOT-BC57048  Equisetum arvense Peter Rubtzoff 1958-8-16 3879 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  UC810212  Equisetum arvense Milo S. Baker 1939-4-2 9269 Sonoma stream in front of Mrs. Morton's place Kenwood Comment
  SD64379  Equisetum hyemale subsp. affine Darley F. Howe 1966-6-2 Sonoma west side of Bodega Bay, on peninsula Comment
  CAS-BOT-BC173612  Equisetum laevigatum Peter Rubtzoff 1958-4-26 3602 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD144427  Equisetum laevigatum Caitlin Lewis; William Mutch 1993-4-17 16 Sonoma about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile near visitor center. Along Sonoma Creek. 365 Comment
  CAS-BOT-BC57642  Equisetum telmateia Walter Knight; Irja Knight 1964-11-15 779 Sonoma Hood's Peak, near Johnson Lake Comment
  CAS-BOT-BC57643  Equisetum telmateia Walter Knight; Irja Knight 1963-9-15 383 Sonoma Los Alamos Rd. Comment
  CAS-BOT-BC57645  Equisetum telmateia Peter Rubtzoff 1955-4-9 1769 Sonoma Forestville Marsh Comment
  CAS-BOT-BC57649  Equisetum telmateia Peter Rubtzoff 1954-6-6 1468 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC57653  Equisetum telmateia A. A. Heller; H. E. Brown 1902-3-27 5161 Sonoma Western Base of Mt. Hood Comment
  CAS-BOT-BC57655  Equisetum telmateia Dorothy Scherer 1996-3-16 006 Sonoma West of Hwy 1 and south side of Kolmer Gulch, Fort Ross State Historic Park 10 Comment
  CAS-BOT-BC312695  Eragrostis Peter Rubtzoff 1968-9-21 5982 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC320562  Eragrostis Peter Rubtzoff 1965-8-16 5599 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  UC1146673  Eragrostis mexicana subsp. virescens Freed W. Hoffman 1943-9-14 2166 Sonoma near Guerneville; North Coast Ranges, near Guerneville Comment
  UCR279638  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1958-8-30 3933 Sonoma Vacation Beach, near Guerneville 3 Comment
  UCD64315  Eragrostis pectinacea Beecher Crampton 1953-11-18 1736 Sonoma 10 miles northwest of Calistoga, along State Highway 128. Comment
  JEPS35239  Erigeron biolettii W. L. Jepson 1933-8-1 16551 Sonoma very dry hills near Agua Caliente 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
  POM55490  Erigeron glaucus A. A. Heller, H. E. Brown 1902-5-27 5609 Sonoma Bodega Bay Comment
  UC1557906  Erigeron glaucus J. Semple, S. Heard 1986-8-20 8571 Sonoma CA-1, between Jenner and Bodega Bay (edge of bluffs) Comment
  CAS-BOT-BC214551  Erigeron philadelphicus Peter Rubtzoff 1951-6-9 185 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  JEPS87223  Erigeron philadelphicus var. philadelphicus Jack and Betty Guggolz 1992-5-17 1302 Sonoma on the w side Black Mountain (e of Geyserville, Anderson Trail) 585 Comment
  JEPS82248  Erigeron serpentinus Roger Raiche 1983-8-6 30587 Sonoma near seep above Austin Creek (below Laton Mine buildings); the Cedars Comment
  CAS-BOT-BC224153  Eriodictyon californicum Walter Knight; Irja Knight 1963-12-27 469 Sonoma Summit, Pine Flat Rd. Comment
  CAS-BOT-BC224154  Eriodictyon californicum Walter Knight; Irja Knight 1963-10-27 439 Sonoma Spring Mt Road Comment
  JEPS82262  Eriogonum compositum var. compositum Roger Raiche 1983-6-4 30373 Sonoma s side Sweetwater Springs Road 3.9 mi w its origin at West Side Highway ((above Porter Creek e of its intersection with John Gordon Creek)) Comment
  CAS-BOT-BC250015  Eriogonum fasciculatum var. foliolosum Dorothy Scherer 1996-9-5 066 Sonoma North side of Fort Ross Rd. at intersection with Hwy 1. Fort Ross State Historic Park 51 Comment
  CAS-BOT-BC259249  Eriogonum latifolium Walter Knight; Irja Knight 1963-8-13 170 Sonoma Horseshoe Cove Comment
  SBBG64029  Eriogonum latifolium J. T. Howell 1930-7-27 5402 Sonoma 1 mi N of Fort Ross Comment
  UC1084471  Eriogonum latifolium G. Thomas Robbins 1937-6-6 236 Sonoma along roadside near Bodega Bay Comment
  LA206929  Eriogonum latifolium C. L. Hitchcock; J. S. Martin 1939-7-15 5444 Sonoma cliffs below Bodega State Park Comment
  POM258435  Eriogonum latifolium C. L. Hitchcock, J. S. Martin 1939-7-15 5444 Sonoma Cliffs below Bodega State Park Comment
  RSA197065  Eriogonum latifolium Noel Holmgren, James L. Reveal 1966-6-6 2648 Sonoma Just north of Ocean View. On bluff above shore line (form away from immediate coastal influence). Comment
  RSA29503  Eriogonum latifolium E. K. Balls, Percy C. Everett 1953-10-9 18598 Sonoma 0.5 mi. n.w. of Salmon Creek, Hwy 1, between Bodega Bay and Jenner. Comment
  SD22296  Eriogonum latifolium John Thomas Howell 1930-7-27 5414 Sonoma Marine bluff, 4 miles north of Bodega Bay Comment
  CAS-BOT-BC259476  Eriogonum luteolum F. G. Krauss 1893-10-8 s.n. Sonoma K. Ranch Comment
  CAS-BOT-BC259479  Eriogonum luteolum David L. Morgan 1955-7-28 s.n. Sonoma 5 miles west of Petaluma Comment
  CAS-BOT-BC261682  Eriogonum nudum var. nudum A. A. Heller 1902-7-8 5814 Sonoma Near Healdsburg Comment
  RSA393332  Eriogonum nudum var. nudum Christopher Davidson 1977-6-20 6022 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  UC85760  Eriogonum roseum T. S. Brandegee July 1885 496 Sonoma Cloverdale Comment
  CDA5241  Eriophyllum lanatum S. Quick 1996-5-1 7 Sonoma Along Road 32, within 50 meters of the U.C. Reserve access road leading to Stebbins Cold Canyon Reserve. Comment
  UCR42312  Eriophyllum lanatum L. F. LaPre 1985-6-25 s.n. Sonoma Coast Ranges, Socrates Mine, c. 9 mi. ENE of Geyserville 917 Comment
  CAS-BOT-BC301153  Eriophyllum lanatum var. achilleoides L. Constance 1933-5-20 E 25 Sonoma Between Santa Rosa & Healdsburg, 3 1/2 m. from Healdsburg Comment
  CAS-BOT-BC301154  Eriophyllum lanatum var. achilleoides Greg de Nevers 1981-5-9 1111 Sonoma Pepperwood Ranch Comment
  UC90254  Eriophyllum lanatum var. achilleoides T. S. Brandegee July 1893 Sonoma Russian River Comment
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Jan 10 2016
  JEPS34642  Eriophyllum lanatum var. arachnoideum M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 250 Sonoma between Gurneville and Monte Rio; Russian River Comment
  POM66821  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan[s] Mills. Comment
Read comments
Jun 19 2012
  UC88938  Eriophyllum lanatum var. arachnoideum Katharine Brandegee 1905-1 Sonoma Bodega Point Comment
  UC893781  Eriophyllum lanatum var. arachnoideum Marcus E. Jones, A. M. 1882-7-17 2733 Sonoma Duncans Mills Comment
  UCD132185  Eriophyllum lanatum var. arachnoideum Charles B. Heiser Jr. 1946-4-13 1721 Sonoma 2 miles east of Jenner. Comment
  SEINET12183675  Erodium brachycarpum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -247 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SBBG27238  Eryngium aristulatum var. aristulatum A. Eastwood, J. T. Howell 1936-5-19 2510 Sonoma 2 mi N ofWindsor 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
  SDSU2266  Eryngium armatum D. F. Howe 1963-7-3 3584 Sonoma 20 miles north of junction with #12 on #1. Comment
  SD77326  Erythranthe guttata F. W. Pennell, H. L. Mason 1940-5-21 25489 Sonoma Route 28, Kinghts Valley, along Maacona Creek, 12 mi. e. Healdsburg, along stream 121 Comment
  CAS-BOT-BC153625  Erythranthe inodora Peter Rubtzoff 1959-5-30 4060 Sonoma Freestone Marsh Comment
  CAS-BOT-BC153620  Erythranthe inodora Peter Rubtzoff 1962-6-22 4950 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC153621  Erythranthe inodora Peter Rubtzoff 1959-6-13 4128 Sonoma Willow Creek Marsh. Bank of Willow Creek Comment
  SEINET10953574  Erythranthe nasuta H. T. Edwards Edwards s.n. Sonoma Knights Valley 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
  UC72489  Erythronium californicum Milo S. Baker 1898-4-5 14 Sonoma betw. Skagg's Springs and Gualala River (near summit) Comment
  HSC2186  Erythronium helenae Elmer I. Applegate 1934-3-25 8855 Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 610 Comment
  UC1126388  Eschscholzia caespitosa E. Armstrong 1934-3-26 922 Sonoma 2 mi n Camp Meeker; Sebastopol Quadrangle 91 Comment
  CAS-BOT-BC402861  Eschscholzia caespitosa W. R. Ernst 1959-5-3 543 Sonoma About 1 mile southeast of Rionido Comment
  CAS-BOT-BC402865  Eschscholzia caespitosa Catherine Best 1982-4-17 s.n. Sonoma Bohemian Hwy about 5 miles north of Occidental Comment
  UC147065  Eschscholzia caespitosa H. P. Chandler 1907-4-21 7534 Sonoma road from Glen Ellen to Oakville Comment
  CDA31281  Eschscholzia californica D. G. Kelch 2006-10-4 6 .497 Sonoma Entrance to Bouverie Reserve. 2 km N of Agua Caliente along Rte 12. Comment
  RSA149295  Eschscholzia californica subsp. californica Alice Eastwood 1900-6-9 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC202770  Euonymus occidentalis K. Wagnon 1939-5-1 220 Sonoma Along Jonive Cr. about 1/8 mile northeast of Wagnon Ranch, 5 mi. west of Sebastopol Comment
  CAS-BOT-BC202771  Euonymus occidentalis Peter Rubtzoff 1960-6-25 4524 Sonoma Duncans Mills Marsh Comment
  RSA789604  Euonymus occidentalis var. occidentalis R. W. Spjut, Peter Baye 2010-6-21 16711 Sonoma Along Wheatfield Fork of Gualala River just south of junction with Fuller Creek, and north of junction with Haupt Creek and Steward Pt-Skaggs Springs Road. 55 Comment
  CAS-BOT-BC202541  Euphorbia Peter Rubtzoff 1987-10-17 9877 Sonoma Russian River ca. 6 miles east of Guerneville Comment
  CAS-BOT-BC202540  Euphorbia Peter Rubtzoff 1987-10-17 9878 Sonoma Highway 116 ca. 0.3 miles southeast of Forestville Comment
  CAS-BOT-BC540835  Euphorbia Peter Rubtzoff 1969-9-21 6185 Sonoma Russian River bottom; Forest Hills, 5.5 mi E of Guerneville Comment
  UC424848  Euphorbia crenulata Milo S. Baker 1927-4-12 3426 Sonoma w of Graton (near Wayne <????>g<?>on place) Comment
  UC86939  Eurybia radulina Michener and Bioletti Sep 7 1891-Jan 1 1900 110 /a Sonoma Comment
  CAS-BOT-BC310739  Euthamia occidentalis W. Knight; I. Knight 1984-8-26 5428 Sonoma Willow Cr. Road 60 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-BC418825  Fagopyrum esculentum H. K. Wagnon 1988-8-8 1797 Sonoma Spring Lake Park and environs. Adjacent to Montgomery Drive 67 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
  RSA0021488  Festuca Peter Rubtzoff 1976-6-5 8588 Sonoma False Lake Meadow area, Annadel State Park. Comment
  SEINET10567265  Festuca A. Arthur Heller 1902-5-27 Heller 5611 Sonoma Bodega Bay. Comment
  UCR248730  Festuca arundinacea Peter Rubtzoff 1962-5-5 4807 Sonoma North Coast Range, Fife Creek Marsh Comment
  CDA18016  Festuca arundinacea S. Parnay 1999-5-25 PDR 008538 Sonoma Glen Ellen. 0 Comment
  SEINET10560466  Festuca californica A. Arthur Heller 1902-5-29 Heller 5629 Sonoma Near the summit of Mt. Hood. Comment
  CAS-BOT-BC283190  Festuca californica subsp. californica G. DeNevers 1981-5-9 1098 Sonoma S of Redwood Canyon, Pepperwood Ranch Comment
  CAS-BOT-BC283191  Festuca californica subsp. californica K. Wagnon 1939-5-14 196 Sonoma East edge of Wagnon rock quarry, five miles west of Sebastopol Comment
  RSA123478  Festuca californica var. californica H. S. Yates 1934-4-21 s.n. Sonoma Near Bodega Port 8 Comment
  UC1023603  Festuca elmeri Mary Focht 1935-5-31 75 Sonoma Mark West Road Comment
  UCD151131  Festuca idahoensis James A. Neilson Jr. 1973-6-6 2976 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
  UCD160755  Festuca idahoensis James A. Neilson Jr. 1975-5-23 3213 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  CDA6127  Festuca occidentalis D. G. Kelch 2007-5-13 7 .299 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  UCD66260  Festuca roemeri H. S. Yates 1937-5-30 6544 Sonoma 3 miles NW of Graton. 60 Comment
  HSC83427  Festuca rubra Mary M. Hektner 1974-7-20 156 Sonoma Sea Ranch, near Hwy. 1 Comment
  CAS-BOT-BC353383  Filago Peter Rubtzoff 1974-5-26 7490 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC353384  Filago Peter Rubtzoff; Nancy Harrison 1974-7-13 7670 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC53271  Frangula californica subsp. californica Walter Knight; Irja Knight 1963-12-27 467 Sonoma Summit, Pine Flat Rd. 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-BC62972  Frangula californica subsp. tomentella Roger Raiche 1985-11-29 50900 Sonoma NE. end of town of Healdsburg on Reservoir Hill. 121 Comment
  CAS-BOT-BC290632  Frankenia Peter Rubtzoff 1970-5-30 6251 Sonoma Five miles north of Sears Point. Comment
  CAS-BOT-BC540826  Frankenia Peter Rubtzoff 1970-5-30 6251 Sonoma Five miles north of Sears Point. Comment
  CDA43437  Frankenia salina Stephanie Larson 2015-7-21 PDR# 49 UP06191161 Sonoma Near Highway 37. 0 Comment
  SJSU452  Fraxinus latifolia A. W. Jacobs 1939-7-20 Sonoma Russian R Terrace near Forestville Comment
  UCD122049  Fraxinus latifolia Frederica Bowcutt 1997-7-18 2178 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  SEINET11993687  Fremontodendron californicum subsp. napense Unknown 1984-1 RR 40133 Sonoma N of Guerneville Morrison Ridge above Gilliam Creek, Austin Creek Recreational Area 183 Comment
  UC1577343  Fritillaria affinis Baki Kasapligil 1971-3-20 4396 Sonoma 8 mi s of Santa Rosa (Kenwood, along Sonoma Creek); Kenwood, Sonoma Creek 240 Comment
  UCD139713  Fritillaria affinis UC Davis Botany 102 Students 1993-4-17 48 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sugarloaf Ridge. Near group campground. Comment
  CAS-BOT-BC130358  Fritillaria liliacea J. W. Congdon 1880-4-3 s.n. Sonoma Petaluma Comment
  UCR42317  Fritillaria recurva var. coccinea L. F. LaPre 1986-3-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  RSA264746  Galium aparine Peter Rubtzoff 1959-5-30 4068 Sonoma Freestone Marsh. Comment
  HSC19845  Galium aparine S. N. Wiemeyer 1962-4-20 23 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UCD121640  Galium aparine Frederica Bowcutt 1994-6-12 1851 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Pony Gate Trail along east west trending stretch before entering oak woodland, out of view of kiosk and campground. 420 Comment
  UCD121716  Galium aparine Caitlin Lewis; William Mutch 1993-4-17 20 Sonoma Sugarloaf Ridge State Park. About 40 miles N of San Francisco, 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. Along Sonoma Creek. 365 Comment
  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
  JEPS15257  Galium californicum subsp. californicum Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5670 Sonoma nr Layton Chromite Mine (along creekbed, headwaters of creek); Big Austin Creek, vicinity of The Cedars 266 Comment
  JEPS52870  Galium californicum subsp. californicum Lauramay T. Dempster and Jean Colton 1963-8-5 3874 Sonoma 2 mi w Cloverdale (on road to Boonville); Alder Glen Springs Comment
  JEPS52911  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-10-26 3946 Sonoma 0.8 mi from Fort Ross (on road to Seaview) Comment
  UCR255647  Galium murale Greg de Nevers 1993-3-30 10338 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 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
  UCSB50248  Galium parisiense Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach 18 Comment
  POM67597  Galium porrigens Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  UCD55074  Galium porrigens Ellen Dean; Tammie Beyerl 2006-4-28 3018 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  UC76641  Galium tricornutum Milo S. Baker 1899-6-2 Sonoma Melita Comment
  UCD121928  Galium tricornutum R. N. Raynor 1939-1-14 s.n. Sonoma location unknown. Comment
  UC1192015  Galium trifidum Malcolm A. Nobs and S. Galen Smith 1949-8-1 1110 Sonoma bog 2 mi e Stewart's Point (on road to Geyserville) Comment
  UC424793  Galium triflorum Milo S. Baker 1930-6-6 4157 Sonoma roadbank to West Occidental to Freestone Hiway Comment
  CAS-BOT-BC303500  Gamochaeta ustulata David D. Keck; J. Clausen 1935-6-15 3370 Sonoma 1 mile N of Salmon Creek, N of mouth of Salmon Creek, on bluff overlooking the ocean Comment
  CAS-BOT-BC303498  Gamochaeta ustulata John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54696 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC303501  Gamochaeta ustulata Peter Rubtzoff 1951-7-14 453 Sonoma Pitkin Marsh, near Forestville. Between the upper and the lower marshes Comment
  CAS-BOT-BC303505  Gamochaeta ustulata J. H. Thomas 1976-6-16 18274 Sonoma Southern part of Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  RSA94010  Gamochaeta ustulata Peter Rubtzoff 1951-7-8 398 Sonoma Pitkin Marsh, near Forestville: Lower part of Upper Marsh Comment
  CDA31007  Garrya fremontii D. G. Kelch, Troy McGregor 2010-8-22 10 .349 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  HSC39063  Garrya fremontii Gary S. Lester 1974-2-9 66 Sonoma Along Trinity Rd. 549 Comment
  UC1122666  Garrya fremontii C. M. Belshaw 1936-3-8 1570 Sonoma Rincon Ridge Santa Rosa Quad. (1.5 mi ne of County Farm) 251 Comment
  UCR248753  Gastridium ventricosum Peter Rubtzoff 1970-9-2 6366 Sonoma Russian River bottom at Mirabel Park 5 Comment
  CHSC63908  Gaultheria shallon John Hale 1990-4-10 20 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
  CAS-BOT-BC193254  Genista monspessulana Mary P. Wells 1983-8-23 s.n. Sonoma Coast Highway near Milepost 43.58 Comment
  UC424819  Geranium dissectum Milo S. Baker 1930-4-15 3951 Sonoma Mouth of Salmon Creek Comment
  UC796669  Geranium dissectum Ira L. Wiggins 1949-4-30 12068 Sonoma 4 mi w Calistoga Comment
  SDSU7330  Geranium dissectum D. F. Howe 1963-5-22 3520 Sonoma 14 miles south of Santa Rosa on #12. 122 Comment
  UCD103320  Geranium dissectum Frederica Bowcutt 1994-5-21 1825 b Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. Along Meadow trail about 3/4 mile from trailhead. East from trail about 100 yards. 396 Comment
  SBBG3929  Geranium potentilloides H. and M. Dearing 1939-5-14 3350 Sonoma near coast on Russian River Comment
  UCD55068  Geranium purpureum Ellen Dean; Tammie Beyerl 2006-4-28 3012 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  UCR222354  Gilia achilleifolia subsp. achilleifolia George K. Helmkamp, E. A. Helmkamp 2010-6-4 16230 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
  POM253004  Gilia capitata A. A. Heller 1937-5-9 15336 Sonoma Roadside bank in clay soil between Hopland and Mountain House. Comment
  SEINET5501090  Gilia capitata Sally Walker 1981-5-25 Sonoma 4 miles W of Occidental Sonoma Co. Comment
  UCD117691  Gilia capitata subsp. capitata Frederica Bowcutt 1994-6-12 1864 Sonoma about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 1.5 air miles north of Kenwood, and 18 air mles NW of Napa. Adobe Canyon north of Sonoma Creek, north of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  JEPS117089  Gilia capitata subsp. pacifica Peter Warner 2010-5-20 157 Sonoma Jenner Headlands, upper Middle Pasture, ~160 m W of road (Willig Extension Dr.) at drainage, ~ 514 m W 305 deg. N of barn, ~ 15 m W of fence Comment
  CAS-BOT-BC226168  Gilia capitata subsp. tomentosa Mrs. H. C. Cantelow 1941-6-7 s.n. Sonoma 3.2 miles north of Jenner on State highway 1 Comment
  CAS-BOT-BC225467  Gilia millefoliata Alice Eastwood 1915-6-29 4825 Sonoma Bodega Point Comment
  UC912342  Gilia millefoliata Charles B. Heiser Jr. 1946-4-14 1734 Sonoma Bodega Head Comment
Read comments
Feb 24 2009
  POM65678  Gilia tricolor A. A. Heller, H. E. Brown 1902-4-4 5211 Sonoma Hills east of Santa Rosa Comment
  UC764573  Githopsis specularioides R. F. Hoover 1939-4-18 4035 Sonoma Occidental Comment
  UCD158813  Githopsis specularioides James A. Neilson Jr. 1974-4-16 3578 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  UCD166292  Glyceria declinata Peter Rubtzoff 1966-5-7 5707 Sonoma North side of Hessel Road, just west of Hwy. 116. Comment
  CDA2164  Glyceria declinata Farm Adv. 1969-5-22 Sonoma Mill Station Road, Sebastopol. 0 Comment
  JEPS78861  Glyceria elata Edward Lee 1936-6-8 2222 Sonoma near Bohemian Grove entrance Comment
  CAS-BOT-BC282817  Glyceria leptostachya A. D. E. Elmer 1903-7-1 4652 Sonoma Petaluma Comment
  RSA126635  Glyceria leptostachya H. S. Yates 1937-5-30 6554 Sonoma 1.5 miles E. of Occidental. 91 Comment
  CAS-BOT-BC303866  Gnaphalium Peter Rubtzoff 1987-10-17 9875 Sonoma Russian River ca 6 miles E of Guerneville Comment
  CAS-BOT-BC166703  Gnaphalium chilense Peter Rubtzoff 1962-9-9 5081 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC302685  Gnaphalium palustre A. A. Heller 1902-6-10 5684 Sonoma Santa Rosa Comment
  RSA785848  Gnaphalium palustre Peter Rubtzoff 1962-10-23 5126 Sonoma Atascadero Creek Marsh. Comment
  RSA94307  Gnaphalium palustre Peter Rubtzoff 1951-8-19 655 Sonoma Pitkin Marsh, near Forestville: near the creek, just north of the Lower Marsh Comment
  UCD148400  Gnaphalium palustre Peter Rubtzoff 1958-7-19 3766 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC166965  Gnaphalium purpureum Peter Rubtzoff 1977-9-4 9131 Sonoma Cunningham Marsh area, along a northern tributary of Blucher Creek, ca. 1 air mile WSW of Cunningham Station. Comment
  CDA6007  Gnaphalium purpureum G. D. Barbe 1982-5-27 3626 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Scaggs Spring Road. Comment
  CAS-BOT-BC251226  Gratiola Peter Rubtzoff 1974-5-11 7387 Sonoma Todd Road, 1.4 miles from hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA785226  Grindelia Peter Rubtzoff 1964-7-7 5392 Sonoma Laguna de Santa Rosa E of Graton. Comment
  CAS-BOT-BC305190  Grindelia hirsutula F. T. Bioletti 1891-1-1 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC305195  Grindelia hirsutula G. DeNevers 1981-5-23 1286 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  JEPS41905  Grindelia hirsutula R. F. Hoover 1941-6-7 5306 Sonoma Occidental Comment
  UC1093968  Grindelia hirsutula Herbert L. Mason 1930-6-1 5653 Sonoma mouth of Gualala River Gualala River Comment
  CAS-BOT-BC305191  Grindelia hirsutula Catherine Best 1981-10-18 s.n. Sonoma On the Coleman Valley Road about 7 mi West of Occidental Comment
  POM290375  Grindelia hirsutula Lyman Benson 1930-6-18 2167 Sonoma S of Santa Rosa; Mt. Range: North Coast; River [drainage]: S.F. Bay. 61 Comment
  UC903744  Guillenia lasiophylla Milo S. Baker 1947-4-22 11697 Sonoma near Kenwood (above Gray Ranch); Hood Mt. Comment
  SEINET11689070  Hainardia cylindrica H. K. Wagnon 1989-1 1895 Sonoma Spring Lake Park & environs, adjacent to Montgomery Drive, trail at entrance to Annadel Park 67 Comment
  JEPS18182  Harmonia nutans Rimo Bacigalupi with Robbins and Chisaki 1956-4-17 5587 Sonoma along road 3.7 mi e beginning of Ida Clayton Rd. on Kellogg Valley side ((jct. with State rd. 128)); Mayacamas Range 685 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-BC306767  Helenium bigelovii John Thomas Howell; J. W. Stacey 1936-7-26 12684 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  POM187815  Helenium bigelovii Marcus E. Jones 1931-7-5 29104 Sonoma The Geysers. Comment
  CAS-BOT-BC309582  Helenium puberulum Peter Rubtzoff 1951-11-24 833 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  POM54893  Helenium puberulum A. A. Heller 1902-7-1 5795 Sonoma Lagoon at Sebastopol Comment
  UCSB16905  Helenium puberulum Breedlove, Dennis 1961-12-31 Sonoma At S side of mouth of Russian River 6 Comment
  CAS-BOT-BC314738  Helianthella californica var. californica Roger Raiche 1985-4-6 50176 Sonoma West of Healdsbrug, ridge on west side of Dry Creek Valley north of Dorman Canyon to Bradford Mt. area 243 Comment
  CAS-BOT-BC258003  Hemizonia Peter Rubtzoff 1970-8-5 6302 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC258395  Hemizonia Peter Rubtzoff 1974-5-18 7422 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC268128  Hemizonia Peter Rubtzoff 1971-9-30 6709 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC305995  Hemizonia Peter Rubtzoff 1966-8-25 5804 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads Comment
  UCD166113  Hemizonia Peter Rubtzoff 1972-5-21 6746 Sonoma Atascadero Creek Marsh and nearby slopes. Comment
  UCD166306  Hemizonia Peter Rubtzoff 1966-8-25 5804 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  RSA94096  Hemizonia congesta J. T. Howell 1945-8-14 21408 Sonoma Perry 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-BC306225  Hemizonia congesta subsp. congesta John Thomas Howell 1930-6-8 5216 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CAS-BOT-BC306236  Hemizonia congesta subsp. congesta Greg de Nevers 1986-9-20 8114 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC306218  Hemizonia congesta subsp. congesta H. M. Hall 1931-5-26 13079 Sonoma Six miles northwest of Petaluma Comment
  CAS-BOT-BC306239  Hemizonia congesta subsp. congesta J. McMurphy 1909-8-9 708 Sonoma 1 mile south of Sonoma Comment
  UCD132986  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-7-1 1080 Sonoma Three-tenths of a mile up Grubb Creek from the Bohemian Highway below reservoir and on south side of creek. Comment
  CAS-BOT-BC309693  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-8 701 a Sonoma Leddy Station, between Santa Rosa and Sebastopol Comment
  SD88511  Hemizonia congesta subsp. lutescens Darley F. Howe 1972-6-28 4844 Sonoma 4.5 miles north of Jenner. Comment
Read comments
May 24 2013
  UC990603  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-7-10 504 Sonoma 4 mi nw Cloverdale; Boonville Comment
  CAS-BOT-BC309676  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-10 717 -C Sonoma About a mile west of Santa Rosa on road to Fulton Comment
  CAS-BOT-BC309679  Hemizonia congesta subsp. lutescens H. M. Hall 1930-10-4 12950 Sonoma South of Petaluma Comment
  CAS-BOT-BC309687  Hemizonia congesta subsp. lutescens Bruce G. Baldwin 1986-10-29 645 Sonoma 0.3 mile south of junction with California State Highway 116 along Lakeville Road Comment
  CAS-BOT-BC309694  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 714 -B Sonoma 4-1/2 mi. S of Santa Rosa Comment
  CAS-BOT-BC309733  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-1 5718 Sonoma Halfway up Meeker Grade Comment
  UC295871  Hemizonia congesta subsp. lutescens H. M. Hall 1924-8-13 12101 Sonoma 4 km s Santa Rosa (along road to Petaluma) Comment
  JEPS119464  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2804 Sonoma North Coast Ranges, west slope of Mayacamas Mountains, Los Alamos Rd. at Cougar Lane, 2.3 miles east of intersection Hwy 12 Comment
  OBI16218  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1966-8-23 9918 Sonoma Mark West Creek, on Santa Rosa-Calistoga Rd near jctn of St Helena Rd Comment
  RSA0015419  Hemizonia congesta subsp. luzulifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  SD53366  Hemizonia congesta subsp. luzulifolia Darley F. Howe 1962-7-28 3361 Sonoma Mark West Creek, 3.4 miles east of Highway 101. Comment
  RSA81616  Hemizonia lutescens James I. McMurphy 1909-8-9 713 Sonoma Petaluma. Comment
  RSA144367  Hemizonia multicaulis subsp. vernalis Roxana S. Ferris, Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UCD127530  Heracleum maximum Michelle Mahoney 1965-5-22 34 Sonoma On old Fire Road off Highway 116, Hacienda Park. 91 Comment
  JEPS112828  Hesperevax sparsiflora var. sparsiflora Dean W. Taylor 1994-5-4 14216 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road 249 Comment
  UC903717  Hesperolinon clevelandii Milo S. Baker 1947-5-7 11743 Sonoma sw slope just above Baker ranch; Hood Mt. 213 Comment
  RSA151707  Hesperolinon clevelandii H. K. Sharsmith 1947-5-30 3966 Sonoma Southern slope of Hood Mountain, volcanic rock, altitude 800 feet, near Grant line. 244 Comment
  JEPS82313  Hesperolinon spergulinum Roger Raiche 1983-7-5 30484 Sonoma Occassional. Northeast of Plantation relatively open slope facing northwest, Tin Barn Road (3.5 mi north from King Ridge Road). Comment
  UC1212403  Hesperolinon spergulinum Freed Hoffman 1947-5-30 552 Sonoma Layton Mine, headwaters Main Austin Creek Inner North Coast Ranges, Austin Creek Comment
  UCD113310  Heteromeles arbutifolia Jennifer Bury; Peggy Herzog 1993-5-8 257 Sonoma About 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. On south-facing rocky slope, 25 feet above parking lot, just off of Lower Bald Mountain Trail. 379 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
  CAS-BOT-BC420943  Heuchera micrantha var. diversifolia Mary P. Wells 1984-7-20 384 Sonoma Hot Spot, The Sea Ranch Comment
  CAS-BOT-BC420944  Heuchera micrantha var. diversifolia G. DeNevers 1981-5-9 1083 Sonoma Pepper wood Ranch Comment
  UC858050  Heuchera pilosissima Lewis S. Rose 1939-5-14 39119 Sonoma 2 mi e Bodega Bay 30 Comment
  CAS-BOT-BC55454  Hirschfeldia incana Mary P. Wells 1985-5-26 503 Sonoma By the coast Highway, north of mouth of Russian River. Comment
  RSA0009726  Hoita macrostachya Marcus E. Jones 1931-7-5 28969 Sonoma West of Cloverdale. Comment
  SEINET12155809  Hoita macrostachya J. P. Tracy 1951-1 19628 Sonoma Alexander Valley 5miE of Geyserville Comment
  SEINET12164293  Hoita macrostachya W. Knight, Knight, I. 1984-1 5051 Sonoma 3 mi up Cavedale rd from Hwy 12 growing in web area at spring Comment
  UCD164989  Hoita macrostachya Peter Rubtzoff; Nancy Harrison 1974-8-31 7857 Sonoma Pressley Road, 0.25 miles south of junction with Sonoma Mountain Road (2.7 miles north of Lichau Road junction). Comment
  HSC83425  Holcus lanatus Chris Bowen 1974-5-19 132 Sonoma Unit 24 Owners' Map, near Pacific Reach, Sea Ranch, near State Hwy. 1 Comment
  UCR121478  Holcus lanatus George K. Helmkamp, E. A. Helmkamp 2000-6-18 5698 Sonoma Outer North Coast Ranges, along Calif. Hwy 128, 0.5 mi south of Mendocino Co. line 381 Comment
  UCD84887  Holcus mollis Terri Williamson 1990-5-20 63 Sonoma Bayflat Road. Bodega Bay. 3 Comment
  SD62059  Holocarpha virgata Darley F. Howe 1965-8-3 4104 Sonoma 4 miles west of Santa Rosa Comment
  RSA523929  Holozonia filipes R. C. Bacigalupi, Peter Rubtzoff 1976-8-6 s,n, Sonoma Knights Valley. Ffat off S side of Bavarian Lion Company ranch road (between it and a creek), 1-1.5 miles W of its junction with Franz Valley Road. (0.4 mile S of Hwy 128). Comment
  UCSB50253  Hordeum brachyantherum subsp. brachyantherum Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 13 Comment
  SEINET7067246  Hordeum brachyantherum subsp. californicum A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  UCD85524  Hordeum brachyantherum subsp. californicum Beecher Crampton 1957-5-16 4036 Sonoma 3 miles SW of Cloverdale, Hot Springs Road. Comment
  SEINET10595770  Hordeum murinum A. Arthur Heller 1902-4-11 Heller 5278 Sonoma Bodega Bay in sand. Comment
  RSA123428  Hordeum murinum subsp. glaucum R. W. Lundh 1932-7-19 118 Sonoma 1/2 mile W. Los Alamos School 518 Comment
  UC116850  Horkelia californica Alice Eastwood 1900-7-4 Sonoma Bodega Bay Comment
  UC424868  Horkelia californica subsp. dissita Milo S. Baker 1930-5-31 4150 Sonoma e Heldsburg (beyond Brattie's); Russian River Comment
  CAS-BOT-BC146522  Horkelia tenuiloba John Thomas Howell 1955-6-2 30258 Sonoma Near Vine Hill School Comment
  JEPS78466  Horkelia tenuiloba Edward Lee 1936-6-7 Sonoma Near Highpoint (on the fire trail); Bohemiam Grove Comment
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Dec 10 2008
  JEPS86763  Horkelia tenuiloba Jack and Betty Guggolz 1990-7-1 1082 Sonoma about 2 1/4 mi nne Graton; CNPS Vine Hill Preserve 76 Comment
  UC1085322  Horkelia tenuiloba J. Powell 1957-5-25 Sonoma 4 mi w Plantation Comment
  JEPS40568  Horkelia tenuiloba E. Crum 1931-5-1 1091 Sonoma near Sebastopol School Comment
  UCSB31800  Hosackia crassifolia Townsend, J. Sonoma East side Russian river about 1 mile south of Gerneyville 457 Comment
  SEINET957358  Hosackia gracilis S. Walker 1983-1 83 H-102 Sonoma In ditch beside road to Goat Rock. Comment
  UCR252997  Hosackia oblongifolia var. oblongifolia Peter Rubtzoff 1974-6-2 7503 Sonoma Upper Green Valley Marsh Comment
  UCD106191  Hosackia stipularis P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC540829  Hypericum Peter Rubtzoff 1974-6-9 7583 Sonoma Upper Green Valley Marsh. Comment
  SEINET7062821  Hypericum anagalloides A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point. UTM Zone 10, 464491mE, 4278527mN. (WGS84/NAD83). 0 Comment
  UC1122088  Hypericum anagalloides H. S. Yates 1936-5-16 5588 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  CAS-BOT-BC316686  Hypochaeris glabra Greg de Nevers 1987-4-25 8157 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  UC479392  Hypochaeris glabra Marcus E. Jones 1931-7-5 29093 Sonoma w Cloverdale Comment
  CAS-BOT-BC316677  Hypochaeris glabra Peter Rubtzoff; H. A. Froebe 1971-5-30 6500 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road Comment
  HSC13851  Iris douglasiana H. E. Parks, S. T. Parks 1930-5-9 619 Sonoma Head of Alexander Valley 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
  UCD138718  Iris douglasiana Charles B. Heiser Jr. 1946-4-13 1720 Sonoma between Jenner and Duncan's Mills. Comment
  JEPS17338  Iris fernaldii W. L. Jepson 1893-4-25 Sonoma w of St. Helena (Caux's Knob); Hoods Peak Range, Caux's Knob Comment
  RSA135812  Iris fernaldii E. K. Balls 1957-5-27 22620 Sonoma Mt. St. Helena, 7.5 miles south of Lake-Sonoma County line 335 Comment
  UC566066  Iris macrosiphon E. Armstrong 1934-3-26 937 Sonoma 4 mi n Camp Meeker; Sebastopol Quad. 91 Comment
  RSA123134  Iris macrosiphon E. Armstrong 1934-3-26 937 Sonoma 4 miles north of Camp Meeker 91 Comment
  CAS-BOT-BC57734  Isoetes howellii Greg de Nevers 1992-6-16 10165 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 304 Comment
  CAS-BOT-BC61922  Isoetes nuttallii Leo Koch 1938-4-1 78 Sonoma off Adobe Canyon near Kenwood Comment
  CAS-BOT-BC112567  Isolepis cernua Peter Rubtzoff 1970-7-17 6287 Sonoma 5 mi N of Sears Point. Comment
  CAS-BOT-BC112573  Isolepis cernua Peter Rubtzoff 1954-8-9 1660 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC112574  Isolepis cernua Peter Rubtzoff 1963-6-5 5152 Sonoma Brooks Gulch Marsh. Comment
  JEPS25000  Isolepis cernua G. Thomas Robbins 1958-8-11 3925 Sonoma on tidal flat along w shore Bodega Harbor; w shore Bodega Harbor Comment
  SD58355  Isolepis cernua W. L. Jepson 1931-7-19 15945 Sonoma Sea-bluffs, just north of Salmon Creek. (IPB 11/07) Comment
  CAS-BOT-BC157995  Juncus Peter Rubtzoff 1968-6-25 5906 Sonoma Lichan Marsh Comment
  UCD141323  Juncus balticus subsp. ater Frederica Bowcutt 1997-7-18 2182 b Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge west of Bear Creek. 365 Comment
  UCD141316  Juncus bolanderi Mary M. Hektner 1976-8-26 265 Sonoma Unit 28 Owner;s Map, Sea Ranch, near State Highway 1. Comment
  UCR222350  Juncus bufonius var. bufonius George K. Helmkamp, E. A. Helmkamp 2010-6-4 16234 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-BC173568  Juncus bufonius var. congestus Peter Rubtzoff; Nancy Harrison 1974-9-7 7860 Sonoma Hinebaugh Creek in Rohnert Park. West of Commerce Blvd. crossing Comment
  RSA22444  Juncus covillei J. T. Howell 1937-7-4 13078 Sonoma Near Petrified Forest. Comment
  UC1026467  Juncus dubius Peter Rubtzoff 1951-7-8 395 Sonoma near Forestville (lower part of the Upper Marsh); Pitkin Marsh, Upper Marsh Comment
  RSA94455  Juncus dubius Peter Rubtzoff 1951-7-7 356 Sonoma Pitkin Marsh, near Forestville; Western branch of the upper marsh. Comment
  CAS-BOT-BC210089  Juncus effusus Peter Rubtzoff 1963-7-27 5213 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC227619  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5904 Sonoma Lichan Marsh Comment
  RSA790718  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5902 Sonoma Lichan Marsh. Comment
Read comments
Apr 16 2014
  UCR279617  Juncus effusus var. pacificus Peter Rubtzoff 1959-6-20 4177 Sonoma Willow Creek Marsh 9 Comment
  CAS-BOT-BC290569  Juncus lescurii Peter Rubtzoff 1959-6-20 4179 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC328117  Juncus lescurii Peter Rubtzoff 1962-10-9 5117 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC329266  Juncus lescurii Peter Rubtzoff 1955-8-20 2068 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
  RSA244325  Juncus oxymeris Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1091 Sonoma Pitkin-Jones Tree Farm; on Vine Hill road 1.3 miles north of jct. with Guerneyville Road. West of Santa Rosa. Comment
  RSA368303  Juncus oxymeris Christopher Davidson 1977-6-17 5882 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  CDA39261  Juncus phaeocephalus T. C. Fuller & D. L. Bristow 1957-12-17 s.n. Sonoma Horn Ave., south of Santa Rosa. 0 Comment
  UCD21130  Juncus tenuis Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 305 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  CAS-BOT-BC273792  Koeleria pyramidata A. A. Heller 1902-4-23 5352 Sonoma Near Sonoma Comment
  CAS-BOT-BC340487  Lactuca saligna Walter Knight; Irja Knight 1963-8-30 184 Sonoma On Kentucky St between Prospect & Oak Sts. - Petaluma Comment
  SEINET11808817  Lactuca saligna W. Knight, Knight, I. 1989-1 6501 Sonoma across street from Union Hotel in Occidental Comment
  SJSU9868  Lagurus ovatus S. H. Casey 1969-5-13 238 Sonoma 3 mi N of Stewarts Point 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
  HSC100870  Lapsana communis Peter Warner 2011-10-31 235 Sonoma Ranchero Mark West, 7125 St. Helena Rd., along dirt road/trail to Buzzards Roost (~600 m W of main residence), ~100 m N of 'Roost'. 281 Comment
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Jun 11 2015
  CAS-BOT-BC337896  Lasthenia J. H. Thomas 1954-6-18 4294 Sonoma Near intersection of Coast Highway and Coleman Valley Road, about 3.5 miles north of town Bodega Bay Comment
  UCR258101  Lasthenia burkei Mark A. Elvin 1997-5-7 398 Sonoma Central Western; Outer North Coast Ranges, west side of RR track north of San Miguel Ave., NW of Santa Rosa 43 Comment
  RSA784686  Lasthenia burkei Mark Elvin 1997-5-7 396 Sonoma NW Windsor, N-end of Herb Rd off Gumview Rd. 11 Comment
  CAS-BOT-BC346329  Lasthenia californica John H. Thomas 1976-6-15 18305 Sonoma Southern end of Sea Ranch, NW part of county, about 7 miles south of Gualala Comment
  CAS-BOT-BC346330  Lasthenia californica G. DeNevers 1981-4-16 729 Sonoma Pepperwood Ranch, by Studio Comment
  CAS-BOT-BC346331  Lasthenia californica G. DeNevers 1981-4-20 759 Sonoma Pepperwood Ranch. Pippindale farm; notch at ridge above Studio on Horse Hill Comment
  CAS-BOT-BC346335  Lasthenia californica Dorothy Scherer 1997-4-15 085 Sonoma South of Kolmer Gulch and ca. 400 ft. east of Hwy One, Fort Ross State Historic Park 91 Comment
  CAS-BOT-BC385626  Lasthenia californica Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  JEPS86752  Lasthenia californica subsp. californica Jack and Betty Guggolz 1990-4-30 1039 Sonoma 243 Comment
  SEINET11447679 Image available Lasthenia californica subsp. macrantha K. Brandegee 1905-6-27 s.n. Sonoma Near Bodega Bay Comment
  UCD133685  Lasthenia californica subsp. macrantha Mary M. Hektner 1976-12-14 278 Sonoma overlooking Black Point Beach; Unit 1 Owners' Map Sea Ranch, near State Highway 1. 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
  UC1224622  Lasthenia glaberrima Peter H. Raven 1963-4-28 18254 Sonoma 4.7 mi s El Verano (on Arnold Dr.) Comment
  UC584181  Lasthenia minor J. Clausen 1935-5-24 1084 Sonoma 5 mi s of Jenner Comment
  CAS-BOT-BC164661  Lathyrus Peter Rubtzoff 1974-9-7 7886 Sonoma Hinebaugh Creek, Rohnert Park. Comment
  CDA34802  Lathyrus angulatus Peter Warner 2010-5-6 146 Sonoma Annadel State Park, E side of Lake Ilsanjo at picnic tables, near Richardson Trail. Comment
  UCR254873  Lathyrus jepsonii Peter Rubtzoff 1958-7-19 3771 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  UCR218646  Lathyrus latifolius George K. Helmkamp, E. A. Helmkamp 2010-6-4 16211 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  CDA20092  Lathyrus nissolia J. Raisner 2003-3-7 PDR 1279785 Sonoma Northern California; Spontaneous in residential garden in Santa Rosa. 0 Comment
  UC15369  Lathyrus vestitus var. vestitus Harley P. Chandler 1900-5-25 701 Sonoma Bodega Bay Comment
  UCD151309  Lathyrus vestitus var. vestitus James A. Neilson Jr. 1974-4-30 2722 Sonoma Mayacmas Mountains. The Geysers. Bruno # 1. (Exact location of Bruno #1 not known by label-maker, but according to Neilson, it is west of Geysers Resort on a north-facing slope near a stream. In the Mayacmas Flora, he indicates it is near 'Old Mercuryville,' which is different than the Mercuryville seen on maps; location and elevation estimated by label-maker) 441 Comment
  UCD166126  Layia Peter Rubtzoff 1969-5-3 6010 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  UCR244751  Layia Peter Rubtzoff 1969-6-15 6085 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastapol 21 Comment
  UC913069  Layia chrysanthemoides David D. Keck 1933-5-28 2320 Sonoma 3.4 mi e Shellville (just e of intersection of Sonoma Road) Comment
  RSA785922  Layia chrysanthemoides Peter Rubtzoff 1966-5-29 5730 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  JEPS82234  Layia platyglossa Roger Raiche 1983-7-5 30486 Sonoma Horseshoe Pt Comment
  UCD133977  Layia platyglossa Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 36 Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. Comment
  UC353802  Ledum glandulosum Milo S. Baker 1928-4-28 3009 b Sonoma Pitkin Swamp Comment
  UC763124  Ledum glandulosum R. F. Hoover 1939-5-30 4112 Sonoma Perry's Twin Pines Ranch near Sebastopol; Perry's Twin Pines Ranch Comment
  CAS-BOT-BC210113  Leersia Peter Rubtzoff 1973-9-4 7298 Sonoma Russain River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CDA42317  Legenere limosa Peter Rubtzoff 1969-5-24 6051 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road. Comment
  UCD164539  Lemna Peter Rubtzoff; Betty Lovell 1975-8-11 8312 Sonoma Kenwood Marsh. Comment
  UC1106279  Lemna gibba John Thomas Howell 1946-9-20 23028 Sonoma near Twin Rocks (Two Rock (acc. map)); Two Rock Comment
  CAS-BOT-BC344877  Lemna minor Peter Rubtzoff 1958-8-31 3956 Sonoma Atascadero Creek Marsh. Comment
  UCD148503  Lemna minor Peter Rubtzoff 1965-11-9 5669 Sonoma Willow Creek Marsh. Comment
  UC1101272  Lemna minuscula Malcolm A. Nobs, S. Galen Smith 1949-8-1 1105 Sonoma 2 mi e of Stewart's Point (on road to Geyserville) Comment
  CAS-BOT-BC527275  Lemna minuta Peter Rubtzoff 1951-7-28 543 Sonoma Southern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  UCR256958  Lemna valdiviana Peter Rubtzoff 1958-8-23 3899 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  RSA94305  Leontodon nudicaulis Peter Rubtzoff 1951-7-21 501 Sonoma Pitkin Marsh, near Forestville; Between the Upper and the Lower marshes. Comment
  CAS-BOT-BC339164  Leontodon saxatilis subsp. saxatilis Peter Rubtzoff 1951-7-8 394 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  SEINET6165742 Image available Lepechinia calycina Unknown 1984-6-1 s.n. Sonoma Occidental Sonoma county Ca, Originally from Santa Barbara Comment
  CAS-BOT-BC173651  Lepidium Peter Rubtzoff 1964-6-24 5377 Sonoma Coleman Marsh, along Salmon Creek Comment
  UCR255881  Lepidium latifolium Greg de Nevers 1993-7-29 10478 Sonoma On dike of Petaluma River marsh at Hwy 37 1 Comment
  CAS-BOT-BC89738  Lepidium latifolium Walter Knight; Irja Knight 1963-8-9 199 Sonoma North side Lakeville Highway at Petaluma Fertilizer office - Petaluma (waif). Comment
  HSC6827  Lepidium nitidum R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1342 Sonoma 7 mi. W of Big Geysers along Sulphur Creek Comment
  CAS-BOT-BC12967  Lepidium strictum J. W. Congdon 1880-3-1 s.n. Sonoma Petaluma. Comment
  UC1034634  Lepidium strictum Milo S. Baker 1955-6-1 13044 Sonoma Humboldt St. near 5th Santa Rosa Comment
  CAS-BOT-BC226545  Leptosiphon acicularis Alice Eastwood 1921-4-24 10366 Sonoma Santa Rosa Comment
  CAS-BOT-BC226546  Leptosiphon acicularis John Thomas Howell 1933-4-2 10932 Sonoma Sonoma Creek Canyon Comment
  POM179768  Leptosiphon androsaceus J. T. Howell 1930-6-8 5254 Sonoma 1 mile east of Bodega Bay Comment
  UCD118606  Leptosiphon bicolor Botany 102 Students 1993-4-24 100 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 1.25 air miles SE of Red Mountain. SE of Sonoma Creek. 396 Comment
  CAS-BOT-BC376427  Leptosiphon parviflorus Greg de Nevers 1995-6-3 10745 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Road to Weimar Flat. 400 Comment
  JEPS87253  Lessingia arachnoidea Jack and Betty Guggolz 1992-8-29 1335 Sonoma 1 1/2 mi nw of Camp Meeker 45 Comment
  CAS-BOT-BC324189  Lessingia hololeuca Walter Knight; Irja Knight 1963-9-11 409 Sonoma Chileno Valley Comment
  SEINET10618325 Image available Lessingia ramulosa A. Arthur Heller 1902-8-18 Heller 6049 Sonoma Santa Rosa. Comment
  CAS-BOT-BC273566  Leymus californicus G. DeNevers 1981-7-1 1731 Sonoma Pepperwood Ranch. In the Pippindale Garden Comment
  CAS-BOT-BC272127  Leymus triticoides John Thomas Howell 1930-6-8 5227 Sonoma Bodega Road 4 iles east of Valley Ford 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-BC436537  Ligusticum apiifolium Alice Eastwood; John Thomas Howell 1939-6-11 7409 Sonoma Near Triniti P.O., Hood Mt. Range Comment
  UC32501  Ligusticum apiifolium W. C. Blasdale 1894-6-8 Sonoma Kenwood Comment
  UCR255737  Ligusticum apiifolium Greg de Nevers 1998-7-15 11294 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; Mark West Creek, just upstream of bridge at Mark West Lodge 134 Comment
  OBI81570  Ligusticum apiifolium Tracey Call, Viola Call 1961-6-10 2070 Sonoma 1 mile north of Kruse Rhododendron State Park. 61 Comment
  CAS-BOT-BC130696  Lilium occidentale Peter Rubtzoff 1951-7-22 538 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC130826  Lilium pardalinum Peter Rubtzoff 1951-7-22 539 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC130829  Lilium pardalinum Peter Rubtzoff 1951-7-21 498 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC130830  Lilium pardalinum Peter Rubtzoff 1951-7-22 539 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC130831  Lilium pardalinum Peter Rubtzoff 1955-7-24 1991 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC130835  Lilium pardalinum J. W. Congdon 1880-6-21 s.n. Sonoma Sebastopol Road Comment
  JEPS77876  Limnanthes douglasii Robert M. Lloyd 1965-5-8 3639 Sonoma Llano Road e Cunningham (se of Sebastopol, about 4 mi n of Route 116, upper portion of Marsh); Laguna de Santa Rosa Marsh Comment
  JEPS37920  Limnanthes douglasii subsp. nivea Rimo Bacigalupi and R. Ornduff 1964-4-18 8931 Sonoma n side of Lytton Springs road just e junction of Chiquita Rd. (ca 1 mi w of US 101) Comment
  RSA74463  Limnanthes douglasii subsp. rosea Milo S. Baker 1947-6-26 11835 Sonoma Cunningham Marsh, ca 1 mile SW of Cunningham Sta. (air line) Comment
  CAS-BOT-BC45944  Limnanthes vinculans Peter Rubtzoff 1962-5-25 4830 Sonoma Laguna de Santa Rosa north of Sebastopol, nr. Occidental Rd. crossing. Comment
  UCD71176  Limnanthes vinculans M. Plotkin 1995-5-29 MSP 04 Sonoma Todd Road, Southeast of Sebastopol, adjacent to CA Department of Fish and Game Todd Road Ecological Reserve. In culvert inside Todd road right of way. 24 Comment
  UC908637  Linanthus acicularis Mrs. H. P. Bracelin and Susan Stokes 1930-7-27 3 Sonoma 2 mi n Bodega Comment
  CAS-BOT-BC225244  Linanthus latisectus Greg de Nevers 1995-5-5 10722 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, on the way to Wiemar Flat 487 Comment
  JEPS112969  Linanthus parviflorus Dean W. Taylor 1994-5-4 14209 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  HSC100874  Linum trigynum Peter Warner 2011-6-24 220 Sonoma Jenner Headlands property, NW area Above-the-House-Field, W of water trough, S of fence boundary. 273 Comment
  CAS-BOT-BC283533  Lolium Roxana S. Ferris; Laura Lorraine 1961-6-14 13547 Sonoma Junction of Occidental Road with Facendini Lane Comment
  CAS-BOT-BC283282  Lolium multiflorum John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  UC38792  Lolium multiflorum A. M. Coomes 1896-6-20 Sonoma Cloverdale Comment
  UCD66201  Lolium multiflorum Collector Unknown 1941-3-1 Sonoma Fremont School, Santa Rosa. Comment
  UCD66406  Lolium perenne Beecher Crampton 1959-6-16 5372 Sonoma 0.2 miles E of Occidental. Comment
  UCD167360  Lomatium californicum James Neilson 1981-5-28 4036 Sonoma Mayacmas Mountains. The Geysers. Vicinity of PG and E lookout. (Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA452095  Lomatium dasycarpum subsp. dasycarpum L. S. Rose 1941-5-22 31247 Sonoma Rincon Ridge, 4 miles east of Santa Rosa 122 Comment
  CAS-BOT-BC217806  Lomatium repostum G. L. Stebbins 1966-5-1 6390 Sonoma Rincon Ridge north of Santa Rosa Comment
  CAS-BOT-BC217811  Lomatium repostum Alice Eastwood 1915-6-6 4659 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC361371  Lomatium repostum Greg de Nevers 1997-3-20 10920 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill 400 Comment
  CAS-BOT-BC217809  Lomatium repostum Milo S. Baker 1947-5-5 11713 Sonoma Hood Mt. 304 Comment
  CAS-BOT-BC217810  Lomatium repostum Alice Eastwood 1923-5-9 11740 Sonoma Hills above Calistoga Comment
  RSA177898  Lomatium repostum R. F. Thorne 1965-4-20 34355 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  UC1076677  Lomatium utriculatum C. Ritchie Bell 1952-3-19 1247 Sonoma top of Larksur Rock Bodega; , Larkspur Rock Comment
  UC21208  Lomatium utriculatum F. T. Bioletti 1893-6-10 Sonoma Hood's Peak 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-BC244008  Lonicera involucrata var. ledebourii Peter Rubtzoff 1952-3-23 898 Sonoma North of the Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC244012  Lonicera involucrata var. ledebourii Peter Rubtzoff 1954-6-6 1472 Sonoma Guerneville Marsh Comment
  CDA9231  Lonicera involucrata var. ledebourii D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  UCD137389  Lonicera involucrata var. ledebourii Terri Williamson 1990-5-20 50 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  UCR2752548  Lotus Peter Rubtzoff 1971-5-8 6452 Sonoma Intermittent Lake off west side of Highway 1, 0.7 miles SE of Salmon Creek crossing 18 Comment
  CAS-BOT-BC304423  Lotus Peter Rubtzoff 1970-5-16 6226 Sonoma Five miles north of Sears Point. Comment
  JEPS79074  Lotus aboriginus L. R. Heckard with S. Rae and Betty Lovell 1980-4-21 5175 Sonoma 1.5 mi due e Forestville (about 0.5 mi e of Vine Hill road, Vine Hill School road) 60 Comment
  SEINET3523658 Image available Lotus americanus Lewis S. Rose 1938-9-11 38255 Sonoma Bloomfield 30 Comment
  JEPS12338  Lotus angustissimus B. Crampton 1955-6-17 2967 Sonoma Fort Ross, State Highway 1 Fort Ross; , State Highway 1 Comment
  SEINET12165325  Lotus crassifolius Unknown 1985-1 RR 50572 Sonoma W side of Dry Creek Valley, N of Crane Ck, S of Bradford Mt, headwaters of Wine Crk 305 Comment
  SEINET4982902  Lotus formosissimus Unknown 1994-4-3 77 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; Hwy 1 Comment
  SEINET3131486  Lotus grandiflorus var. grandiflorus M. S. Baker sn Sonoma Near Occidental Comment
  UCR275251  Lotus purshianus Peter Rubtzoff 1973-8-29 7288 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente 38 Comment
  JEPS55883  Lotus stipularis var. stipularis F. T. Bioletti 1893-6-7 Sonoma Hood Peak Comment
  UC424767  Lotus stipularis var. stipularis Milo S. Baker 1929-6-1 3573 a Sonoma near Vine Hill School House Comment
  UC750814  Lotus stipularis var. stipularis Charles B. Heiser Jr. 1946-5-19 1738 Sonoma w of Santa Rosa; Vine Hill Comment
  RSA138211  Lotus unifoliolatus Volney Rattan 1877-1 s.n. Sonoma Santa Rosa Comment
  RSA31784  Lotus unifoliolatus A. A. Heller 1938-8-11 15321 Sonoma Knights Valley Comment
  SEINET7067332  Lotus wrangelianus A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles East of Windsor on Faught Road. Coordinate datum: NAD27. UTM Zone 10, 521654mE, 4261292mN. Comment
  UCD66024  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 50 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UC73309  Ludwigia palustris Miss M. Alice King Sept. 1896 Sonoma near Healdsburg Comment
  CAS-BOT-BC251071  Ludwigia palustris var. pacifica Peter Rubtzoff 1954-8-2 1628 Sonoma Austin Creek Marsh. Comment
  RSA800209  Ludwigia palustris var. pacifica Peter Rubtzoff 1954-8-12 1698 Sonoma Bennett Mountain Lake. Comment
  RSA94087  Ludwigia palustris var. pacifica J. T. Howell 1945-8-14 21386 Sonoma Perry Marsh Comment
  UCD148388  Ludwigia peploides Peter Rubtzoff 1956-9-11 2844 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCR275271  Lupinus Peter Rubtzoff 1974-6-22 7624 Sonoma Todd Road, 1.5 miles from Highway 116 and 0.5 mile from (west of) Llano Road 24 Comment
  RSA735208  Lupinus Keith E. Hoffmaster 1946-3-9 1092 Sonoma near Bodega. Comment
  UCD167634  Lupinus albifrons James A. Neilson Jr. 1977-3-7 3846 Sonoma Mayacmas Mountains. Near soulth base Mt. St. Helena. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC195977  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-27 48165 Sonoma Junction Melitta-Mark West-Petrified Forest roads. Petrified Forest, junction Comment
  CAS-BOT-BC195986  Lupinus albifrons var. albifrons F. Almeda; G. DeNevers 1981-4-28 4912 Sonoma Vicinity of the Bechtel cabin. Pepperwood Ranch Comment
  JEPS77262  Lupinus albifrons var. albifrons Robert M. Lloyd 1963-4-24 2399 Sonoma 16.5 mi from State Hwy. 12 on road to Oakdale 274 Comment
  UCD106015  Lupinus albifrons var. albifrons Frederica Bowcutt 1996-5-24 2158 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma/Rattlesnake Creek confluence on small knoll. 381 Comment
  CAS-BOT-BC196152  Lupinus albifrons var. douglasii F. W. Johnson 1890-9-10 57 Sonoma Santa Rosa Comment
  LA205175  Lupinus arboreus J. A. Ewan; 1935-5-12 9231 Sonoma 1.5 mi. W of Bodega on Bodega Bay road Comment
  UCD106631  Lupinus arboreus P. B. Kennedy 1915-5-28 15 Sonoma Del Mar. Comment
  UCD13244  Lupinus arboreus Richard Sundquist 1977-5-1 9 Sonoma Bodega Head. 15 Comment
  UC15934  Lupinus bicolor Harley P. Chandler 1900-5-25 671 Sonoma Bodega Comment
  UC15936  Lupinus bicolor W. H. Brewer 1862-4-17 982 Sonoma near Sonoma (Sonoma Valley) Comment
  CDA27416  Lupinus bicolor T. C. Fuller 1977-4-21 20192 Sonoma Church of Christ property, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  UC126965  Lupinus bicolor F. T. Bioletti 1892-1 Sonoma Comment
  UC126967  Lupinus bicolor Willis L. Jepson 1893-5-3 Sonoma Mt. St. Helena Napa River Basin, Mt. St. Helena (foot of grade) Comment
  RSA105076  Lupinus bicolor subsp. tridentatus Alice Eastwood 1921-4-24 10269 Sonoma Santa Rosa Comment
  CAS-BOT-BC8409  Lupinus bicolor var. tridentatus Alice Eastwood 1921-4-24 10369 Sonoma Santa Rosa Comment
  UCD107010  Lupinus chamissonis M. Barbour 1970-11-30 s.n. Sonoma Bodega Head. Comment
  SEINET10485216  Lupinus densiflorus Joseph W. Congdon 1880-5-11 Congdon UMO 42456 Sonoma Santa rosa. Comment
  RSA167470  Lupinus densiflorus var. densiflorus Joseph P. Tracy 1933-5-1 12129 Sonoma Along Mayacama Creek, below Knights Valley. Comment
  POM161188  Lupinus densiflorus var. palustris R. C. Bacigalupi s.n. Sonoma Bodega. Comment
  UC527542  Lupinus formosus C. B. Wolf 1931-8-23 2345 Sonoma along Redwood Highway 1 mi s Cloverdale; s of Cloverdale 91 Comment
  UCD108132  Lupinus latifolius Christine Lee 1993-4-24 95 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; south of Sonoma Creek along Hillside Trail. 396 Comment
  SEINET10490782  Lupinus latifolius subsp. latifolius Robert F. Thorne 1965-4-19 Thorne 34317 Sonoma Fls violet; on well-drained embankment in douglas-fir forest; harrison grade, 1/2 Mi. From green valley rd.; With calycanthus, pseudotsuga, umbellularia, etc 152 Comment
  NY15940  Lupinus lutosus A. A. Heller 1940-4-22 15546 Sonoma Alexander Valley. Lower Sonoran Life Zone. Comment
  UC865134  Lupinus microcarpus var. densiflorus A. A. Heller 1938-5-14 15091 Sonoma w of Petaluma near Two Rocks; near Two Rocks Comment
  SD130432  Lupinus microcarpus var. densiflorus F. Almeda, G. DeNevers 1981-4-28 4904 Sonoma Ca. 0.5 miles from the main gate to Pepperwood Ranch Natural Preserve just off Franz Valley Road Comment
  UCD108752  Lupinus microcarpus var. densiflorus R. Tofsrud 1948-5-1 s.n. Sonoma Cloverdale. Comment
  SDSU5019  Lupinus microcarpus var. microcarpus D. F. Howe 1962-5-24 3317 Sonoma Bodega Bay. Comment
  UC201918  Lupinus microcarpus var. microcarpus Milo S. Baker Sonoma Dillon's Beach Comment
  UC865334  Lupinus microcarpus var. microcarpus Marcus E. Jones, A. M. 1882-7-17 3329 Sonoma Duncan's Mills Comment
  SBBG69038  Lupinus microcarpus var. microcarpus L. Rowntree 1931-7-13 Sonoma near Bodega Comment
  UC1197270  Lupinus nanus Joseph P. Tracy 1933-5-1 12130 Sonoma below Knight's Valley along Mayacama Creek; along Maycama Creek below Knight's Valley 152 Comment
  UCD151181  Lupinus nanus James A. Neilson Jr. 1974-4-16 3114 Sonoma Mayacmas Mountains. Sulphur bank number 13. (Elevation estimated using Google Earth by label maker.) 487 Comment
  HSC14850  Lupinus nanus F. Demostene 1966-4-4 16 Sonoma 2 mi. E of Healdsburg Comment
  POM276264  Lupinus nanus subsp. nanus Lyman D. Benson 1935-3-31 6403 Sonoma U.S. 101, S. of Cloverdale. 244 Comment
  SEINET10451627  Lupinus nanus subsp. nanus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7083 Sonoma On n-facing grassy clay bank, .6 mi w of sonoma-napa co line on hwy 121. 61 Comment
  SEINET10970295  Lupinus nanus subsp. nanus Mcberty 1961-5-13 MCBERTY 35 Sonoma In moist, open pasture at end of hutchins avenue, 1 mi e of sebastopol. Comment
  CAS-BOT-BC320462  Lupinus polycarpus Peter Rubtzoff 1969-5-3 6020 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UCD109522  Lupinus sericatus Roger Raiche 1984-3-25 RR 40074 Sonoma Kelly Road just west of its intersection with Rockpile Road. 609 Comment
  JEPS85895  Lupinus tidestromii Jack and Betty Guggolz 1991-5-27 1153 Sonoma coastal dunes between the mouth of the Russian River and Goat Rock; btw the mouth of the Russian River and Goat Rock 6 Comment
  UCD166736  Luzula Peter Rubtzoff 1955-6-4 1900 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC210064  Luzula Peter Rubtzoff 1957-5-4 3301 Sonoma Duncans Mills Marsh., upper part of marsh Comment
  CAS-BOT-BC441403  Luzula macrantha L. R. Abrams 1918-4-27 6904 Sonoma Independence School near Healdsburg Comment
  RSA0015999  Lythrum hyssopifolia Peter Rubtzoff 1951-8-19 641 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  RSA785884  Madia Peter Rubtzoff, Nancy Harrison 1974-7-13 7669 Sonoma Upper Green Valley Marsh. Comment
  UCD160118  Madia anomala James A. Neilson Jr. 1973-6-3 3163 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC344027  Madia elegans David D. Keck 1933-11-6 2646 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  JEPS128236  Madia elegans Roger Raiche 2000-9-2 147 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCR218637  Madia elegans George K. Helmkamp, E. A. Helmkamp 2010-6-4 16229 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
  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
  UCR25294  Madia exigua John C. Roos 1957-7-2 6649 Sonoma Miller Ridge Comment
  POM194541  Madia exigua Y. Mexia 1929-6-2 2391 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC343450  Madia gracilis Alice Eastwood; John Thomas Howell 1938-5-15 5509 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC343451  Madia gracilis John Thomas Howell 1937-7-4 13065 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC343455  Madia gracilis John Thomas Howell 1929-6-9 4300 Sonoma 2 miles n. of Sonoma Comment
  UC598735  Madia gracilis John Bright 1936-5-2 13114 Sonoma near Healdsburg Comment
  HSC100964  Madia gracilis Peter Warner 2011-5-28 203 Sonoma Cresta Ranch (Sonoma Co. Ag. Preservation and Open Space Dist. Property; off Mark West Springs Rd. at Mark West Lodge), upslope S from Cresta Rd., near western property boundary. 0 Comment
  POM261213  Madia gracilis subsp. gracilis L. S. Rose 1940-5-22 40370 Sonoma Sonoma 30 Comment
  CAS-BOT-BC345263  Madia sativa Milo S. Baker 1932-8-27 6010 Sonoma M. S. Baker ranch, Adobe Canyon Comment
  CAS-BOT-BC345264  Madia sativa W. M. Heusi 1930-10-18 109 Sonoma Six miles northwest of Petaluma, along road to Tomales Comment
  RSA786499  Madia sativa Peter Rubtzoff 1974-5-18 7415 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCSB708  Maianthemum racemosum Keator, Glenn 1959-4-1 Sonoma 1 mile southeast of northern city limits of Camp Meeker Comment
  CAS-BOT-BC511538  Maianthemum racemosum subsp. amplexicaule Mrs. E. C. Suttiffe 1920-8-5 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC511498  Maianthemum stellatum John Thomas Howell 1924-3-23 298 Sonoma Camp Meeker Comment
  POM59382  Marah fabacea A. A. Heller, H. E. Brown 1902-4-15 5300 Sonoma Santa Rosa Creek Comment
  HSC6011  Matricaria discoidea S. N. Wiemeyer 1962-4-20 26 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  RSA264723  Matricaria occidentalis Peter Rubtzoff 1974-5-19 7446 Sonoma Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC268100  Medicago Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7804 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC268110  Medicago Peter Rubtzoff; Nancy Harrison 1974-9-7 7874 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  CAS-BOT-BC268111  Medicago Peter Rubtzoff 1973-8-21 7247 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  CAS-BOT-BC262978  Medicago Peter Rubtzoff 1968-8-31 5952 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. 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-BC269517  Melica californica A. A. Heller 1902-4-4 5315 Sonoma Hills near Santa Rosa Comment
  CAS-BOT-BC281277  Melica geyeri G. DeNevers 1981-5-14 1149 Sonoma Pepperwood Ranch. W arm of Garrison Canyon Comment
  CAS-BOT-BC281286  Melica geyeri J. W. Congdon 1892-3-29 s.n. Sonoma Cazadero Comment
  SD134042  Melica geyeri Greg de Nevers 1987-6-1 8184 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 99 Comment
  HSC10346  Melica geyeri Leo Koch 1940-4-24 843 Sonoma 1 mi. N of two and one half mile junction from Kenwood and Glen Ellen in Bennett Valley. Comment
  UCD87346  Melica geyeri R. Tofsrud 1942-4-1 279 Sonoma Along Mark West road about 3 mi. above the Springs resort. Comment
  UCD32526  Melica harfordii Beecher Crampton 1954-5-9 1837 Sonoma Sonoma County, 2.5 miles north of Guerneville, on roadside banks. Comment
  UCD87388  Melica harfordii B. Crampton 1955-6-17 2927 Sonoma 1.6 miles west of Forestville. Comment
  UC60773  Melica harfordii J. Burtt Davy 1896-7-29 Sonoma Redwood Ridge; Russian River Comment
  CAS-BOT-BC262452  Melica subulata Peter Rubtzoff 1959-6-6 4104 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC262552  Melica torreyana G. DeNevers 1981-5-15 1182 Sonoma Pepperwood Ranch. In first big left hand Canyon off N arm of Garrison Canyon Comment
  SEINET3383322 Image available Melica torreyana Barbara L. Wilson, Cheri Buskirk 2009-4-5 15419 Sonoma Santa Rosa; Annadel State Park; Comment
  UCD160754  Melica torreyana James A. Neilson Jr. 1975-5-23 3215 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  UCD89114  Melica torreyana Gerry North 1993-4 5 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Across road from Goodspeed trailhead pullout. On bank edge above Sonoma Creek. 213 Comment
  UCD89212  Melica torreyana M. Wiesendanger 1927-5-5 734 Sonoma Kenwood Springs. Comment
  UCD89198  Melica torreyana R. Tofsrud 1941-4-1 303 Sonoma North bridge of Russian Gultch. Comment
  UCR279644  Melilotus albus Peter Rubtzoff 1953-11-1 1432 Sonoma Vacation Beach, near Guerneville, along Russian River 3 Comment
  UCR218736  Melilotus indicus George K. Helmkamp, E. A. Helmkamp 2010-6-4 16223 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  UCD108097  Melilotus indicus M. Wiesendanger 1927-5-5 717 Sonoma location unknown. Comment
  CAS-BOT-BC164405  Melissa Peter Rubtzoff 1973-8-28 7277 Sonoma Upper Green Valley Marsh Comment
  RSA784569  Melissa Peter Rubtzoff 1973-9-9 7317 Sonoma Kenwood Marsh. Comment
  UC25359  Melissa officinalis J. Burtt Davy 1896-7-29 4146 Sonoma near Guerneville Comment
  CAS-BOT-BC164085  Mentha Peter Rubtzoff 1966-10-9 5831 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC164362  Mentha Peter Rubtzoff 1958-9-27 4011 Sonoma Laguna de Santa Rosa, northeast of Graton (1.5 mi. N of Guerneville Road). Comment
  RSA784597  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region: Russian River. Fitch Mts. Grove, 2 mi E of Healdsburg. Comment
  RSA785213  Mentha Peter Rubtzoff 1960-9-17 4564 Sonoma Laguna de Santa Rosa area NE of Graton (near Laguna Road). Comment
  UCR244599  Mentha X piperita Peter Rubtzoff 1960-9-17 4564 Sonoma Laguna de Santa Rosa northeast of Graton, near Guerneville Road Comment
  POM63046  Mentha arvensis var. villosa A. A. Heller 1902-6-27 5787 Sonoma West of Windsor near Russian river. Comment
  RSA785664  Mentha pulegium Peter Rubtzoff 1955-9-24 2157 Sonoma Guerneville Marsh. Comment
  UC1124520  Mentha pulegium H. S. Yates 1937-8-22 6866 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  UC1239694  Mentha pulegium Joseph P. Tracy 1947-10-6 17937 Sonoma along Mayacama Creek (w of Knights Valley); along Mayacama Creek, w of Knights Valley 152 Comment
  UC1714396  Mentha pulegium J. Burtt Davy 1896-7-22 Sonoma Russian River Station Comment
  UCR280187  Mentha pulegium Peter Rubtzoff 1958-8-9 3830 Sonoma Laguna de Santa Rosa, north of Sebastopol, near Occidental Road 20 Comment
  POM283194  Mentha pulegium A. A. Heller 1902-7-1 s.n. Sonoma Lagoon at Sebastopol Comment
  UCR244649  Mentha rotundifolia Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC164665  Mentha spicata Peter Rubtzoff 1952-6-15 1259 Sonoma Forestville Marsh. Comment
  CDA31024  Mentzelia laevicaulis D. G. Kelch, Troy McGregor 2010-8-22 10 .361 Sonoma Geyser Peak Rd along Sulfur Creek nr historic bridge. Comment
  UC1070000  Micropus californicus var. californicus H. S. Yates 1934-4-22 3844 Sonoma 2 mi s Mark West; Calistoga Quadrangle 152 Comment
  CAS-BOT-BC322650  Microseris laciniata F. T. Bioletti 1893-6-10 s.n. Sonoma Los Guilucos Valley Comment
  CAS-BOT-BC322708  Microseris laciniata John Thomas Howell 1937-7-4 13081 Sonoma 4 miles west of Santa Rosa Comment
  CAS-BOT-BC322712  Microseris laciniata John Thomas Howell; Alice Eastwood 1936-5-19 2503 Sonoma 11 miles north of Santa Rosa Comment
  UCD165221  Microseris laciniata subsp. laciniata Peter Rubtzoff; Nancy Harrison, Dug Jones 1974-6-8 7576 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UC50058  Microseris laciniata subsp. laciniata F. T. Bioletti 1893-6-10 Sonoma Los Guilicos Comment
  CAS-BOT-BC322750  Microseris paludosa Lawrence Beane; Lois E. James 1949-5-16 1941 Sonoma About 3 miles south of Healdsburg Comment
  CAS-BOT-BC322751  Microseris paludosa G. DeNevers; S. Kaza 1981-5-7 976 Sonoma 10510 Old Redwood Highway 2miles NW of Windsor exit from 101, vacant lot by Healdsburg Rent-All Comment
  SDSU4773  Microseris paludosa D. F. Howe 1963-7-3 3592 Sonoma 20 miles north of junction with #12 on #1. Comment
  SD7425  Mimetanthe pilosa Michener, Bioletti 1892-7-3 1686 a Sonoma Healdsburg Comment
  CAS-BOT-BC311872  Mimulus Peter Rubtzoff 1976-6-18 8656 Sonoma Kenwood 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
  RSA0025399  Mimulus Peter Rubtzoff 1954-9-4 1729 Sonoma Bodega Head Marsh. Comment
  JEPS128314  Mimulus aurantiacus Roger Raiche 2000-5-21 102 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this not the name on USGS topo sheets.) Gualala River, Wheatfield Fork watershed. Comment
  UC1063404  Mimulus aurantiacus var. aurantiacus J. B. Spring May 1932 69 Sonoma Head Hooker Canyon Napa Quadrangle 457 Comment
  RSA178001  Mimulus guttatus Robert F. Thorne 1965-4-19 34286 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  RSA0022509  Mimulus guttatus Peter Rubtzoff 1960-6-9 4486 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  SEINET12334049  Mimulus guttatus Unknown 1977-1 17 Sonoma no further locality 122 Comment
  UC1051635  Mimulus inodorus Peter Kamb 1950-6-16 1864 Sonoma 1 mi n Sousa Corners (nw of Sebastopol); Pitkin Marsh Comment
  UC26956  Mimulus kelloggii H. N. Bolander 1864-1 3951 Sonoma near Pine Mt.; The Geysers Comment
  UCD151179  Mimulus microphyllus James A. Neilson Jr. 1974-4-16 2874 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 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
  UC26911  Mimulus pilosus Alice King Sept., 1896 Sonoma Healdsburg Comment
  UC444805  Mimulus pilosus Milo S. Baker 1898-11-25 743 Sonoma near Healdsburg; Russian River Comment
  JEPS3030  Mimulus tricolor Milo S. Baker 1952-4-30 12408 B Sonoma along road e of Summit Bennett Valley rd. Comment
  CAS-BOT-BC174581  Minuartia californica A. A. Heller; H. E. Brown 1902-3-14 5067 Sonoma Near Windsor Comment
  UC8088  Minuartia californica State Survey 1862-4-18 975 Sonoma near Sonoma Comment
  CAS-BOT-BC174580  Minuartia californica Mary P. Wells 1894-4-20 s.n. Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC435116  Mollugo verticillata James McMurphy 1906-7-16 s.n. Sonoma Fulton Comment
  UC2035939  Monardella purpurea Robert F. Hoover 1938-6-14 3609 Sonoma 3 miles west of Graton on road to Occidental Comment
  UCD151083  Monardella sheltonii James A. Neilson Jr. 1974-6-1 2770 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 1/2 mi. west of Whispering Pines, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 1127 Comment
  SEINET9324387  Monardella sheltonii Unknown 1996-8-9 Sonoma Sonoma Co., CA (elev 800m) 800 Comment
  CAS-BOT-BC314177  Monardella villosa subsp. subserrata C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  CAS-BOT-BC314205  Monardella villosa subsp. subserrata D. E. Breedlove 1980-6-27 44772 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  CAS-BOT-BC314163  Monardella villosa subsp. villosa John Thomas Howell 1930-6-8 5283 Sonoma Rocky slope overlooking the ocean, 8.5 miles N of Bodega Bay. Comment
  CAS-BOT-BC314201  Monardella villosa subsp. villosa Dorothy Scherer 1996-6-3 050 Sonoma Fort Ross Road, N side, ca 0.5 mi. W of Seaview Rd. Fort Ross State Historic Park. 457 Comment
  SEINET12324056  Monardella viridis W. Knight, Knight, I. 1982-1 4600 Sonoma 2 mi up Pythian Road from Los Guilicos School for Girls near Kenwood, on Hoods Peak 305 Comment
  UCD125281  Monardella viridis Frederica Bowcutt 1994-6-24 1878 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa.Trailhead for Lower Bald Mountain trail off of Stern Trail. 377 Comment
  CAS-BOT-BC7347  Montia clara Amos Arthur Heller 1902-4-16 5313 Sonoma Santa Rosa Comment
  RSA0005226  Montia clara A. A. Heller, H. E. Brown 1902-4-16 5313 Sonoma Fields east of Santa Rosa Comment
  SEINET11933973  Montia gypsophiloides W. Knight, Knight, I.; Edwards, S. 1986-1 5308 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Road 861 Comment
  SD99365  Morella californica Christopher Davidson 1977-6-17 5887 Sonoma Coast Highway 1, ca. 3.0 miles north of Jenner. Comment
  CAS-BOT-BC101799  Myrica californica John Thomas Howell; J. W. Stacey 1936-7-26 12687 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  CAS-BOT-BC101796  Myrica californica Walter Knight; Irja Knight 1963-10-29 397 Sonoma Roblar Road near county dump Comment
  RSA461913  Myrica californica Christopher Davidson 1977-6-17 5887 Sonoma Coast Highway 1, ca. three miles north of Jenner. Comment
  CAS-BOT-BC257680  Myriophyllum aquaticum Peter Rubtzoff 1966-6-27 5770 Sonoma Santa Rosa Creek area, ca. 1 mile east of the Laguna de Santa Rosa. Comment
  RSA800152  Myriophyllum brasiliense Peter Rubtzoff 1966-6-27 5770 Sonoma Santa Rosa Creek area, ca. 1 mi east of Laguna de Santa Rosa. Comment
  CAS-BOT-BC456197  Najas guadalupensis Greg de Nevers 1992-7-21 10222 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Yellowjacket Lake. 304 Comment
  UCD87801  Nassella lepida A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3559 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  UCD87884  Nassella lepida P. B. Kennedy 1918-5-28 s.n. Sonoma Santa Rosa to Calistoga Road. Comment
  RSA126806  Nassella pulchra H. S. Yates 1934-4-21 3832 Sonoma 2 miles north of County Farm. 244 Comment
  RSA656745  Nassella pulchra Beecher Crampton 1956-4-24 3310 Sonoma 2.5 miles north of Healdsburg. Comment
  UC1133201  Nassella pulchra H. S. Yates 1934-4-21 3832 Sonoma 2 mi n County Farm; Santa Rosa Quadrangle Comment
  CAS-BOT-BC60516  Nasturtium officinale Peter Rubtzoff 1951-6-9 158 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  RSA0065153  Navarretia Greg de Nevers 1997-8-17 11075 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. Oak Hill Ranch. 100 Comment
  OBI36026  Navarretia heterodoxa John C. Roos 1950-7-22 4877 Sonoma 2 miles east of Duncan Mills 61 Comment
  JEPS70348  Navarretia intertexta F. T. Bioletti Jun 1893 Sonoma Kenwood Comment
  CAS-BOT-BC230367  Navarretia leucocephala subsp. bakeri Peter Rubtzoff 1966-7-4 5773 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  CAS-BOT-BC230373  Navarretia leucocephala subsp. bakeri Alice Eastwood; John Thomas Howell 1936-5-19 2520 Sonoma 2 miles N of Windsor Comment
  CAS-BOT-BC230374  Navarretia leucocephala subsp. bakeri Alice Eastwood; John Thomas Howell 1938-7-6 6083 Sonoma 2 miles N of Windsor Comment
  JEPS70380  Navarretia leucocephala subsp. plieantha Joseph Andorfer Ewan 1935-5-13 9265 Sonoma near Wright School (Sebastopol road) Comment
  UC1008723  Navarretia pubescens Lewis S. Rose 1940-5-22 40371 Sonoma Sonoma 30 Comment
  UC124588  Navarretia squarrosa I. J. Condit 1908-8-13 Sonoma between G- and Armstrong Grove Comment
  UC631638  Navarretia squarrosa G. Thomas Robbins 1939-7-4 272 Sonoma near Graton Comment
  SDSU3222  Navarretia squarrosa D. F. Howe 1962-7-28 3360 Sonoma Mark West Creek, 3.4 miles east of #101. Comment
  UC856900  Navarretia viscidula John Thomas Howell 1937-7-4 13082 Sonoma 5 mi n Sebastopol Comment
  SEINET8729376 Image available Navarretia viscidula Helen K. Sharsmith 1952-1 4178 Sonoma Stewartt's Point road 12.2 miles west of Skagg's Spring. 579 Comment
  CAS-BOT-BC7192  Nemophila divaricata Alice Eastwood 1900-4-21 s.n. Sonoma Mt. St. Helena Comment
  UCD119981  Nemophila heterophylla Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1753 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. In Adobe Canyon along Goodspeed Trail approx. 200 yds. From just E of Bear Creek about 5 yds. N of confluence with Sonoma Creek. 198 Comment
  UCD120068  Nemophila heterophylla M. Wiesendanger 1927-5-5 736 Sonoma Kenwood Springs. Comment
  POM126456  Nemophila heterophylla H. P. Chandler 1907-4-27 7543 Sonoma Spring Mountain, beyond summit [no county listed]. Comment
  UC67243  Nemophila heterophylla M. Baker May 1899 Sonoma near Laguna; near the Laguna Comment
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Feb 16 2007
  UCD160137  Nemophila menziesii James A. Neilson Jr. 1974-3-27 3009 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  UCSB5331  Nemophila menziesii Robbins, G. 1940-3-21 Sonoma At junction of Pleasant Avenue Road and Chalk Hill Road; 2-3 miles southeast of Windsor 91 Comment
  POM65261  Nemophila menziesii var. atomaria A. A. Heller, H. E. Brown 1902-3-12 5047 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  UCSB13213  Nemophila menziesii var. atomaria Dearing, Hugh; Dearing, Margaret 1939-5-14 Sonoma Bodega State Park Comment
  CAS-BOT-BC368029  Nemophila parviflora Greg de Nevers 1998-6-15 11284 Sonoma CYO Camp on Bohemian Highway. Comment
  HSC100100  Oemleria cerasiformis J. P. Smith, & J. O. Sawyer 2010-4-26 12719 Sonoma 509 Comment
  UCR255686  Oemleria cerasiformis Greg de Nevers 1998-4-27 11199 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  RSA20410  Oenanthe sarmentosa Roxana S. Ferris 1937-8-18 9376 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC251251  Oenothera Peter Rubtzoff 1960-5-18 4383 Sonoma Bodega Head Marsh. Comment
  RSA799988  Oenothera Peter Rubtzoff 1971-5-8 6441 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mi west of Arnold Drive. Comment
  CAS-BOT-BC368012  Orobanche californica subsp. jepsonii Greg de Nevers 1989-12-16 9123 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Top of High Hill. 400 Comment
  CAS-BOT-BC500335  Orobanche uniflora subsp. occidentalis J. W. Congdon 1880-4-13 s.n. Sonoma Petaluma Comment
  RSA402029B  Orthocarpus faucibarbatus J. T. Howell 1931-4-1 6038 Sonoma 9 miles SW of Sonoma on road to San Rafael. Comment
  RSA789045  Orthocarpus faucibarbatus Carrie A. Herd 1982-4-25 75 Sonoma Crane Creek Regional Park. Comment
  UCD110782  Oxalis corniculata Collector unknown Date unknown s.n. Sonoma Sonoma County. Comment
  UCR3592  Oxalis oregana Carolyn McNeill 1969-5-25 s.n. Sonoma Sebastopol, 0.75 mi. east of Coffee Lane 107 Comment
  SEINET12183626  Oxalis oregana F. H. Utech 1988-1 88 -010 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  UCD110992  Oxalis pilosa K. Esau 1932-5-2 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC316880  Packera eurycephala var. eurycephala 188- s.n. Sonoma Knights Valley Comment
  CAS-BOT-BC316881  Packera eurycephala var. eurycephala Brandegee s.n. Sonoma unspecified Comment
  UCD160871  Packera greenei James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3422 Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC376219  Panicum Greg de Nevers 1996-9-6 10873 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Mark West Creek 487 Comment
  UCD166341  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC1146583  Panicum acuminatum var. acuminatum Freed W. Hoffman 1943-6-13 2040 Sonoma around hot springs, The Geysers (The Geysers); North Coast Ranges, The Geysers Comment
  UCD88550  Panicum acuminatum var. fasciculatum Mary M. Hektner 1974-7-6 132 A Sonoma Unit 34-A Owners' Map, Sea Ranch. Comment
  UCSB432  Panicum acuminatum var. fasciculatum Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners Comment
  CAS-BOT-BC253798  Panicum hillmanii G. DeNevers 1981-6-20 1600 Sonoma Pepperwood Ranch. Mark West Creek Comment
  UC1146648  Parapholis incurva Freed W. Hoffman 1941-6-22 2194 Sonoma Sonoma Coast mouth of Salmon Creek; North Coast Ranges, , Sonoma Coast Comment
  UCD88623  Parapholis incurva Beecher Crampton 1957-7-11 4342 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  SEINET6794036 Image available Parentucellia viscosa Sally Walker 1983-1 Sonoma Joy Rd. - near Bodega Hwy Comment
  UCD166082  Parentucellia viscosa Peter Rubtzoff 1971-6-10 6538 Sonoma Pitkin Marsh, near Forestville, along western border of the upper part of the marsh. Comment
  UC972197  Parvisedum pumilum Milo S. Baker 1952-4-20 12399 Sonoma ca 1/4 mi n of Caliente (e side of Highway 12); e side of Highway 12 Comment
  JEPS128249  Pedicularis densiflora Roger Raiche 2000-5-5 096 .00 Sonoma The Cedars. Danfield Creek drainage near crest with Pepperwood Creek; topographic peak 2061. Gualala River, Wheatfield Fork watershed. Comment
  UC886640  Pedicularis densiflora Alice Eastwood 1918-5-1 6811 Sonoma Mount St. Helena Comment
  SEINET12183627  Pelargonium grossularioides H. K. Wagnon 1989-1 1894 Sonoma around Jack London's Original ?, Jack London State Park Comment
  CDA17203  Pellaea mucronata G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16202 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  POM14508  Penstemon heterophyllus subsp. heterophyllus Michener, Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  POM14670  Penstemon heterophyllus subsp. heterophyllus A. A. Heller 1902-6-28 5790 Sonoma Between Knight's Valley and Mark West Springs. Comment
  UC1238920  Penstemon heterophyllus var. purdyi Freed W. Hoffman 1947-4-20 654 Sonoma near Guerneville (headwaters of Fife Creek, Del Preti Hill); North Coast Ranges, headwaters Fife Creek Comment
  UCD137755  Pentagramma triangularis Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 58 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. Sonoma and Bear Creek confluence. Comment
  CAS-BOT-BC71728  Pentagramma triangularis subsp. triangularis Ira L. Wiggins 1932-3-12 5761 Sonoma Fence row between Knight's Valley and Franz Valley Comment
  UCD137796  Pentagramma triangularis subsp. triangularis C. Wistrom 1996-5-26 37 Sonoma Healdsburg. 1735 Dry Creek Road. 48 Comment
  UCD127852  Perideridia kelloggii K. Esau 1935-7-19 s.n. Sonoma Near Petaluma Comment
  CAS-BOT-BC368035  Persicaria amphibia Greg de Nevers 1998-6-28 11296 Sonoma Lautenberg Ranch, Spencer Lane, Knights Valley. Comment
  CAS-BOT-BC413636  Persicaria amphibia John Thomas Howell 1932-9-18 10769 Sonoma Bed of slough draining Kenwood Marsh Comment
  CAS-BOT-BC413639  Persicaria amphibia Peter Rubtzoff 1971-6-25 6556 Sonoma Off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing Comment
  CAS-BOT-BC413656  Persicaria amphibia Peter Rubtzoff 1963-7-6 5196 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Road crossing Comment
  CAS-BOT-BC413659  Persicaria amphibia Peter Rubtzoff 1966-8-21 5796 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC413667  Persicaria amphibia Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5845 Sonoma Llano Road near sewage disposal plant at Laguna de Santa Rosa 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-BC418899  Persicaria hydropiperoides Peter Rubtzoff 1951-7-1 349 Sonoma Pitkin Marsh, near Forestville. North of the Lower Marsh Comment
  CAS-BOT-BC419110  Persicaria lapathifolia Peter Rubtzoff 1960-6-25 4516 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC419106  Persicaria lapathifolia W. W. Carruth 1900-7-1 s.n. Sonoma Russian River Comment
  CAS-BOT-BC419109  Persicaria lapathifolia Peter Rubtzoff 1962-10-23 5127 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC419111  Persicaria lapathifolia Peter Rubtzoff 1958-7-20 3787 A Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd.) Comment
  CAS-BOT-BC419115  Persicaria lapathifolia Peter Rubtzoff 1969-10-29 6201 Sonoma Pond on River Road 3 mi. west of Fulton Comment
  CAS-BOT-BC419280  Persicaria maculosa M. S. Jussel 1931-5-3 s.n. Sonoma Healdsburg Comment
  HSC101107  Phacelia bolanderi Peter Warner, Sarah Gordon 2011-6-15 213 Sonoma Russian Gulch, Sonoma Coast State Beach. ~ 3 miles N of Jenner; on W creek bank, ~ 130 m N of Hwy. 1 bridge 7 Comment
  UC1017786  Phacelia californica C. L. Hitchcock 1952-6-4 19583 Sonoma 1 mi e Duncan's Mill (on road to Sebastopol) Comment
  UC660063  Phacelia californica Alan A. Beetle 1941-7-8 2857 Sonoma rocky bluff 1 mi n Steward Point Comment
  HSC13699  Phacelia distans L. S. Rose 1965-4-4 65021 Sonoma 1 mi. N of Sonoma. 61 Comment
  UC1299136  Phacelia distans Freed W. Hoffman April 1948 2758 Sonoma between Occidental and Monte Rio Comment
  UCR255879  Phacelia distans Greg de Nevers 1997-4-16 10943 Sonoma North Coast Range, Moon Mountain Road [NNW of Sonoma] 396 Comment
  CDA256  Phacelia imbricata D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .267 Sonoma Cavedale Rd. Comment
  CHSC52635  Phacelia imbricata James Jokerst 1985-5-29 2386 Sonoma Near Cobb Mountain. 1126 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
  SEINET12335289  Phacelia imbricata F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -248 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SEINET12347573  Phacelia imbricata F. H. Utech 1986-5-13 86 -106 Sonoma ca 3 mi NE on Cavedale Road from junction with CA 12 250 Comment
  RSA428022  Phacelia imbricata subsp. imbricata Christopher Davidson 1977-6-20 6019 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  JEPS1083  Phacelia nemoralis subsp. nemoralis Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  SEINET10824378  Phacelia suaveolens Peter H. Raven 1965-5-16 Raven 20219 Sonoma Burned flats near Frantz District School. Comment
  CAS-BOT-BC258948  Phalaris aquatica Peter Rubtzoff 1962-6-19 4927 Sonoma Occidental Marsh Comment
  UCD105400  Phalaris aquatica Frederica Bowcutt 1994-6-25 1927 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. 609 Comment
  UCD88138  Phalaris aquatica Freed W. Hoffman 1943-6-1 2218 Sonoma Near Guerneville. Lone Mountain Farm. Comment
  CAS-BOT-BC265843  Phalaris arundinacea Peter Rubtzoff 1962-5-25 4832 Sonoma Laguna de Santa Rosa north of Sebastapol, near Occidental Road Crossing. Comment
  CAS-BOT-BC265844  Phalaris arundinacea Peter Rubtzoff 1958-5-17 3659 Sonoma Laguna de Santa Rosa north of Sebastapol, near Occidental Road Comment
  UC1011003  Phalaris paradoxa Virginia Bufford 1936-5-20 307 Sonoma Mark West Creek Rd about 3 or 4 mi from Redwood Hiway; Mark West Creek Rd. Comment
  UCD89379  Phalaris paradoxa Beecher Crampton 1959-6-16 5369 Sonoma 0.2 miles E of Occidental. Comment
  CAS-BOT-BC253561  Phleum alpinum David D. Keck; J. Clausen 1935-6-15 3377 Sonoma 5 mi. S. of Jenner Comment
  RSA183404  Phoradendron densum Del Wiens 1960-6-14 2724 Sonoma Ca 4 miles SE of Monte Rio on road to Camp Meeker. Comment
  UCD102227  Phoradendron leucarpum subsp. tomentosum G. F. Hrusa; T. D. Wilfred 1995-12-3 12481 Sonoma Foote Ranch Property at NW base of Mt. St. Helena. Approx. 1/2 distance to summit along Ida Clayton Rd. 300 Comment
  CAS-BOT-BC171216  Phoradendron serotinum subsp. tomentosum F. G. Krauss 1895-2-23 s.n. Sonoma Knights Valley Comment
  CAS-BOT-BC171219  Phoradendron serotinum subsp. tomentosum G. De Nevers 1981-4-30 899 Sonoma Pepperwood Ranch. At the Pippindale Garden Comment
  CAS-BOT-BC171222  Phoradendron serotinum subsp. tomentosum A. A. Heller; H. E. Brown 1902-3-12 5036 Sonoma Sonoma Creek, Eastern Base of Mt. Hood Comment
  UC1977004  Phyllospadix scouleri H. W. Johansen 1963-5-26 1153 Sonoma Bodega Head. S. Shsore, Horseshoe C. Comment
  UCD138381  Phyllospadix torreyi P. G. Connors 1993-6-6 317 Sonoma Bodega Head and Dunes. Horseshoe Cove. Comment
  CAS-BOT-BC140623  Physocarpus capitatus Peter Rubtzoff 1957-4-28 3287 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC140624  Physocarpus capitatus Peter Rubtzoff 1964-5-20 5314 Sonoma Brooks Gulch Marsh Comment
  SD133983  Physocarpus capitatus Greg de Nevers 1987-5-11 8179 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 99 Comment
  UC555512  Physocarpus capitatus H. L. Mason Jun 1930 5642 Sonoma Gualala River, mouth Comment
  UCD108160  Pickeringia montana E. Frost 1996-5-26 24 Sonoma Mt. St. Helena, 150 yards in along hiking trail. 609 Comment
  RSA516637  Pinus S. Flowers 1988-2-5 s.n. Sonoma Sonoma Rd. marker, Hwy One, 52.32 miles at Pebble Beach Access Trail, across Sea Ranch. Tree located 20 feet W of Hwy 1 and 12 feet N off parking entrance. Comment
  CAS-BOT-BC78784  Pinus lambertiana Mary P. Wells 1981-4-19 s.n. Sonoma between Unit 27A and P.G.+E right-of-way, The Sea Ranch Comment
  CAS-BOT-BC72880  Pinus muricata Mary P. Wells 1983-8-3 177 Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch. Comment
  CHSC59661  Pinus radiata Jeffrey L. Kennedy 1985-4-3 11 Sonoma 100 m. N of Spring Lake and 50 m. E of Annadale State Park, Santa Rosa. 121 Comment
  JEPS128339  Piperia Roger Raiche 2010-7-17 038 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128295  Piperia elongata Roger Raiche 2010-7-11 034 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128315  Piperia leptopetala Roger Raiche 2000-5-20 100 .00 Sonoma The Cedars. Main Canyon at Camp. Lower Russian, Big Austin Creek watershed. Comment
  JEPS128294  Piperia transversa Roger Raiche 2010-7-10 031 .10 Sonoma The Cedars, about 0.2 mile in from 2nd Crossing. Lower Russian River, Big Austin Creek watershed. Comment
  UC881363  Plagiobothrys Alice Eastwood 1921-5-8 10482 Sonoma Petaluma Comment
  UCR244739  Plagiobothrys Peter Rubtzoff 1969-5-11 6047 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  CAS-BOT-BC155000  Plagiobothrys Peter Rubtzoff 1970-5-30 6237 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC156307  Plagiobothrys Peter Rubtzoff 1970-5-30 6233 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC157649  Plagiobothrys Peter Rubtzoff 1971-5-8 6430 Sonoma E foothills of Sonoma Mtns. On Sobre Vista Road, 0.9 mi. W of Arnold Drive. Comment
  CAS-BOT-BC177120  Plagiobothrys Peter Rubtzoff 1969-6-15 6089 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC488330  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-14 s.n. Sonoma 2.3 km SE of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1 22 Comment
  CAS-BOT-BC492931  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain; NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds; sampling pool #1 43 Comment
  RSA788370  Plagiobothrys bracteatus Peter Rubtzoff, H. A. Froebe 1971-5-30 6488 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Rd. Comment
  UC79428  Plagiobothrys bracteatus Dr. Edward Palmer Sonoma Petaluma Comment
  POM63825  Plagiobothrys nothofulvus A. A. Heller, H. E. Brown 1902-3-26 s.n. Sonoma Santa Rosa Creek. Comment
  UC725293  Plagiobothrys reticulatus A. A. Heller 1938-5-14 15081 Sonoma just back of the sea n of bay Bodega Bay Comment
  UC79580  Plagiobothrys reticulatus var. rossianorum Katharine Brandegee June 1905 Sonoma Bodega Bay Comment
  RSA31970  Plagiobothrys reticulatus var. rossianorum A. A. Heller 1938-5-14 15081 Sonoma In a field just back of the sea north of Bay, Bodega Bay. Comment
  RSA8384  Plagiobothrys reticulatus var. rossianorum L. S. Rose 1933-5-9 33155 Sonoma Bodega Bay. Comment
  RSA151887  Plagiobothrys undulatus Robert Ornduff 1960-4-21 6072 Sonoma West edge of Sonoma. Both sides of Hayes St., south of Sonoma Elementary School. Comment
  RSA783722  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6096 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. 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
  JEPS7135  Plantago lanceolata W. L. Jepson 1921-9-12 9479 Sonoma Alexander Valley 45 Comment
  UC1084369  Plantago lanceolata G. Thomas Robbins 1937-3-26 35 Sonoma between Freestone and Bodega Comment
  JEPS7156  Plantago maritima var. californica W. L. Jepson 1931-7-19 15948 Sonoma near Scotta Creek (between Bodega Bay and mouth of Russian River) Comment
  UC565399  Plantago subnuda G. Thomas Robbins 1937-6-5 220 Sonoma Pitkin Ranch, Vine Hill region, about 10 miles west of Santa Rosa. Comment
  UC1057476  Platanthera leucostachys G. Thomas Robbins 1937-5-23 208 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Comment
  UC1134746  Platanthera leucostachys H. S. Yates 1936-5-16 5594 Sonoma 2 mi se Forestville (Pitkin Marsh); Sebastopol Quad. 30 Comment
  UC565373  Platanthera leucostachys G. Thomas Robbins 1937-6-5 217 Sonoma about ten mi w Santa Rosa; Vine Hill Region, Pitkin Ranch Comment
  CAS-BOT-BC92116  Platystemon californicus Alice Eastwood 1915-6-29 4862 Sonoma Bodega Point. Comment
  CHSC22752  Platystemon californicus Robert A. Schlising 1962-3-31 2111 Sonoma California Coast Ranges. In pastured field. Comment
  UC118433  Platystemon californicus Katharine Brandegee 1905-6-25 Sonoma Bodega Head; Cliffs of Bodega Head Comment
  UC855260  Platystemon californicus Alice Eastwood 1915-6-29 4862 Sonoma Bodega Point Comment
  SEINET5340051  Platystemon californicus A. A. Heller, H. E. Brown 1902-3-20 5105 Sonoma Near Windsor. Comment
  UC50149  Platystemon californicus Willis L. Jepson 1893-4-25 Sonoma trail to Caux's Cabin w St. Helena; w of St. Helena Comment
  CAS-BOT-BC173802  Pleuropogon Peter Rubtzoff 1966-5-7 5708 Sonoma On north side of Hessel Road, just west of Highway 116. Comment
  UC1132563  Pleuropogon californicus H. S. Yates 1937-6-5 6675 Sonoma near Wildwood 121 Comment
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Jul 28 2008
  UC573891  Pleuropogon californicus H. S. Yates 1937-6-5 6575 Sonoma near Wildwood 121 Comment
  CAS-BOT-BC260972  Pleuropogon californicus var. californicus Peter Rubtzoff 1958-5-10 3644 Sonoma Laguna de Santa Rosa east of Cunningham near Llamo Road Comment
  RSA201212  Pleuropogon californicus var. californicus David L. Morgan 1961-4-25 s.n. Sonoma Low wet field near Stemple Creek, 3 miles southwest of Cotati. Comment
  HREC248 Image available Pleuropogon hooverianus Chuck Williams 1998-5-21 2162 Sonoma Hopland Field Station: 4100 Pressley Rd. Comment
  UCD37531  Poa annua Beecher Crampton 1955-3-15 2325 Sonoma Sonoma County, town of Asti. Comment
  POM204981  Poa douglasii A. A. Heller 1902-3-29 5187 Sonoma Bodega Bay Comment
  RSA94640  Poa pratensis Peter Rubtzoff 1951-6-7 128 Sonoma Western branch of the Upper marsh; Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC243201  Poa secunda subsp. secunda David L. Morgan 1961-4-12 s.n. Sonoma 4 miles W of Fallon Comment
  CAS-BOT-BC312691  Poaceae Peter Rubtzoff 1964-5-31 5336 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg, along Russian River. 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
  HSC93551  Pogogyne douglasii G. Fred Hrusa, A. Buckmann 1996-10-5 13586 Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Rd., 2 mi. SW of Calistoga 700 Comment
  JEPS81441  Pogogyne douglasii subsp. parviflora L. R. Heckard 1982-7-24 5827 A Sonoma Old Naval Air Station. Fall 1981 Comment
  JEPS46103  Polygala californica Eleanor Armstrong 1932-5-18 474 Sonoma Camp Meeker 121 Comment
  UCD109700  Polygala californica K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  RSA70709  Polygala californica L. S. Rose 1951-5-17 51004 Sonoma Hills east of Agua Caliente 152 Comment
  UCSB31716  Polygala californica Townsend, J. 1977-5-30 Sonoma North side Old Cazadera Rd, 7 miles north-west of Gurneyville 457 Comment
  CAS-BOT-BC110535  Polygonum Peter Rubtzoff 1973-8-20 7224 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC110531  Polygonum Peter Rubtzoff 1975-8-28 8363 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC164400  Polygonum Peter Rubtzoff 1966-8-25 5810 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  CAS-BOT-BC164401  Polygonum Peter Rubtzoff 1970-5-30 6241 Sonoma 5 mi. north of Sears Point Comment
  CAS-BOT-BC210114  Polygonum Peter Rubtzoff 1955-5-7 1823 Sonoma Guerneville Marsh. Eastern extension of the Marsh along Pocket Canyon. Comment
  CAS-BOT-BC540850  Polygonum Peter Rubtzoff 1974-9-1 7859 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville Comment
  UCR248762  Polygonum aviculare Peter Rubtzoff 1966-8-25 5802 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  CAS-BOT-BC109167  Polygonum bolanderi G. L. Stebbins 1966-7-22 6480 Sonoma Mountain Home Ranch, 3.5 miles west of Calistoga. 274 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
  UC440181  Polypodium calirhiza Michener and Bioletti Mar 1892 Sonoma Adobe Canyon Comment
  UCD92439  Polypogon Beecher Crampton 1957-7-11 4296 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  RSA94463  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  UCD51668  Polypogon interruptus Harry Goff; Virginia Bufford 1935-5-22 62 Sonoma foot of Hood Mt. Comment
  CAS-BOT-BC237406  Polypogon monspeliensis Peter Rubtzoff 1955-7-9 1935 Sonoma Forestville Marsh Comment
  CAS-BOT-BC237409  Polypogon monspeliensis Peter Rubtzoff 1958-7-5 3745 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC237410  Polypogon monspeliensis Peter Rubtzoff 1958-8-9 3854 Sonoma Laguna de Santa Rosa N of Sebastopol (near Occidental Road) Comment
  CAS-BOT-BC237411  Polypogon monspeliensis Peter Rubtzoff 1959-8-30 4240 Sonoma Drake's Beach, near Guerneville, Russian River Comment
  CAS-BOT-BC237415  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Road to Bodega Point Comment
  SEINET10828403  Polypogon monspeliensis A. Arthur Heller 1902-6-7 Heller 5652 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  UCD91340  Polypogon monspeliensis P. B. Kennedy 1920-6-17 X 3252 Sonoma Santa Rosa; Field -- Campus -- Berkeley Comment
  CAS-BOT-BC72165  Polystichum californicum G. DeNevers 1982-2-9 1886 Sonoma beneath big power lines W of Garrison house, due W of Fir Forest Comment
  CAS-BOT-BC72173  Polystichum californicum Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  JEPS33241  Polystichum californicum F. T. Bioletti 1892-5-31 Sonoma Hood's Peak Comment
  CAS-BOT-BC72169  Polystichum californicum Walter Knight; Irja Knight; Dr. Stephen W. Edwards 1986-8-17 5510 Sonoma 4.85 miles from end of Mill Creek Road Comment
  CAS-BOT-BC72175  Polystichum californicum A. T. Graff 1926-2-1 s.n. Sonoma Cazadero Comment
  SEINET11719960  Polystichum dudleyi Unknown 1986-1 60589 Sonoma W of Healdsburg, Palmer Creek (tributary of Mill Creek), Palmer Creek Rd 213 Comment
  CAS-BOT-BC102672  Populus fremontii Mary P. Wells 1987-6-30 898 Sonoma Brush Creek dike between Mission Blvd. and Brush Creek Road, Santa Rosa Comment
  CAS-BOT-BC376302  Portulacaceae Greg de Nevers 1989-2-1 9036 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Murry. 400 Comment
  CAS-BOT-BC258004  Potamogeton foliosus Peter Rubtzoff 1970-10-3 6409 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  HSC93482  Potamogeton nodosus G. Fred Hrusa, R. Gross 1997-8-31 14092 Sonoma Foote Ranch, NW base of Mt. St. Helena, NE of int. of Hwy. 128 and Ida Clayton Rd. 107 Comment
  RSA800840  Potamogeton nodosus Peter Rubtzoff 1971-6-25 6552 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  UCR280146  Potamogeton pectinatus Peter Rubtzoff 1971-9-30 6712 Sonoma Dune pond near U.C. Bodega Marine Laboratory 13 Comment
  RSA800893  Potamogeton pusillus Peter Rubtzoff 1973-8-27 7269 Sonoma Upper Green Valley Marsh area. Comment
  UCR256120  Potamogeton pusillus Greg de Nevers 1992-7-25 10228 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC141948  Potentilla anserina subsp. pacifica Peter Rubtzoff 1961-5-6 4675 Sonoma Americano Creek 1/2 mi. east of Valley Ford - Sonoma County Marshes Comment
  CAS-BOT-BC516395  Prosartes hookeri A. A. Heller; H. E. Brown 1902-4-11 s.n. Sonoma Bodega Bay Comment
  UC25627  Prunella vulgaris var. lanceolata J. Burtt Davy 1894-6-17 Sonoma Knights Valley Comment
  CAS-BOT-BC251229  Prunus Peter Rubtzoff 1960-4-30 4309 Sonoma Laguna de Santa Rosa, east of Sebastopol, near Santa Rosa Road. Comment
  UC699661  Prunus serotina T. E. Rawlins September, 1942 Sonoma Fort Ross Comment
  CAS-BOT-BC366864  Prunus subcordata Greg de Nevers 1998-4-21 11156 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In canyon west of Phillip's Garden 400 Comment
  POM139676  Prunus subcordata A. A. Heller, H. E. Brown 1902-4-4 5215 Sonoma Hills east of Santa Rosa Comment
  UCR255735  Prunus subcordata Greg de Nevers 1998-7-6 11298 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; Leslie Road 400 Comment
  CAS-BOT-BC356497  Pseudognaphalium beneolens Walter Knight; Irja Knight 1963-8-23 386 Sonoma Joost Ranch, Calistoga Rd. Comment
  JEPS128346  Pseudognaphalium californicum Roger Raiche 2000-6-6 134 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD134982  Pseudognaphalium ramosissimum P. G. Connors 1994-8-10 329 Sonoma Bodga Marine Laboratory. Comment
  CAS-BOT-BC80187  Pseudotsuga menziesii J. W. Congdon 1880-3-1 s.n. Sonoma Santa Rosa Road Comment
  CAS-BOT-BC176178  Psilocarphus Peter Rubtzoff 1971-6-5 6512 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC362079  Psilocarphus tenellus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53942 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-BC362076  Psilocarphus tenellus G. DeNevers 1981-5-26 1322 Sonoma Pepperwood Ranch. At Pippindale Garden Comment
  RSA770897  Psoralea physodes Robert F. Thorne 1965-4-20 34369 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  CAS-BOT-BC157682  Pteridium Peter Rubtzoff 1974-6-2 7528 Sonoma Upper Green Valley Marsh area. Comment
  HSC1158  Pteridium aquilinum var. pubescens F. Demostene 1966-4-1 7 Sonoma 2 mi. E of Healdsburg Comment
  UC1201280  Pteridium aquilinum var. pubescens E. Samuels 231 Sonoma Comment
  UCD45329  Quercus X chasei John Thomas Howell 1946-8-17 22859 Sonoma Lloyd Voit Ranch west of Cummingham, Sonoma County. Comment
  CAS-BOT-BC94702  Quercus X howellii D. E. Breedlove 1980-6-27 44759 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD46180  Quercus X howellii J. M. Tucker 1977-6-16 4394 Sonoma (Q. garryana X Q. dumosa). 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
  UC1135348  Quercus agrifolia R. W. Lundh 1932-7-19 122 Sonoma 1.5 mi nw Los Alamos School; Santa Rosa Quad. 579 Comment
  SEINET12028624  Quercus agrifolia W. Knight, Knight, I. 1981-1 3967 Sonoma 2.3mi up Cavedale Rd from jct of State Rt-12 Comment
  UC5583  Quercus berberidifolia Edw. L. Greene 1894-6-17 Sonoma Mt. St. Helena Comment
  UCD45209  Quercus berberidifolia Roman Gankin 1967-10-4 1078 1 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  UCD45223  Quercus berberidifolia D. Q. Cavagnaro 1963-9-13 39 Sonoma On west side of range between Sonoma and Napa Valleys, 3 miles northeast of Glen Ellen, Sonoma County, California. Comment
  CHSC80756  Quercus chrysolepis Earl L. Core 1952-7-5 Sonoma Mt. St. Helena. Comment
  SEINET12028625  Quercus chrysolepis W. Knight, Knight, I. 1981-1 3985 Sonoma 4.2 mi up Cavedale Rd from jct of State Rt-12 Comment
  CAS-BOT-BC94151  Quercus durata G. De Nevers 1981-9-12 1936 Sonoma Pepperwood Ranch, on hill top N of Bechtel Cabin Comment
  RSA477129  Quercus durata Christopher Davidson 1977-6-20 6012 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  SEINET12030394  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5103 Sonoma 2.65 mi up Cavedale Rd from Hwy 12 Comment
  SEINET12030395  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5101 Sonoma 3.1 mi up Cavedale Rd from jct of State Rt #12 Comment
  CAS-BOT-BC94670  Quercus garryana L. R. Abrams 1916-7-4 5800 Sonoma Mark West Comment
  SJSU16080  Quercus garryana Allen W. Jacobs 1934-8-1 3 Sonoma Found near the Hilton on NW slope above the Russian River Comment
  UCD46178  Quercus garryana Roman Gankin 1967-10-4 1078 2 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  UCD46199  Quercus garryana Roman Gankin 1967-10-4 1078 6 Sonoma (Back crossed to Q. garryana). Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  JEPS77253  Quercus garryana Robert M. Lloyd 1963-4-24 2392 Sonoma 13.8 mi from State Highway 12 (on road to Oakdale) 365 Comment
  UCD46117  Quercus garryana var. garryana Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 74 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail S of Sonoma Creek about 1/8 mile from beginning of trail. 381 Comment
  HSC8257  Quercus kelloggii L. S. Rose 1964-6-27 64058 Sonoma 2 mi N of Sonoma 274 Comment
  RSA177964  Quercus kelloggii Robert F. Thorne 1965-4-20 34385 Sonoma Robert Sone's place on Rock Ridge Lane- Mentecito Ave. on Rincon Ridge, Santa Rosa. 107 Comment
  UC1281159  Quercus kelloggii H. E. McMinn 1938-9-5 5256 Sonoma Hood Mt. Range Comment
  CAS-BOT-BC105488  Quercus kelloggii Margot Lowry 1983-5-1 26 Sonoma ca 1 mile from top of Sonoma Mtn Rd on Sonoma Mtn 500 Comment
  RSA63328  Quercus kelloggii Milo S. Baker 1950-04 12162 Sonoma Montgomery Drive on bank of Santa Rosa Creek. Comment
  UCD46874  Quercus lobata J. M. Tucker 1950-11-5 2010 Sonoma Large tree beside Highway 28, ca. 6 miles northwest of Calistoga, in Sonoma County, California. Comment
  CAS-BOT-BC376399  Ranunculus Greg de Nevers 1996-4-18 10793 Sonoma Knight's Valley Marsh, on Bavarian Lion Ranch, south end of valley. 91 Comment
  CAS-BOT-BC379157  Ranunculus aquatilis var. aquatilis Greg de Nevers 1987-2-28 8128 Sonoma Pepperwood Ranch Natural Preserve; 3500 Franz Valley Rd., Santa Rosa 00000000000000000000000 400 Comment
  UCD150854  Ranunculus arvensis 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
  JEPS55168  Ranunculus californicus Willis L. Jepson 1897-5-2 Sonoma Mt. St. Helena Napa River Basin Comment
  RSA733909  Ranunculus californicus var. crassifolius Chas. H. Lamoureux, J. M. Tucker, June McCaskill 1957-4-7 1192 Sonoma Duncan Point, Sonoma Coast State Park. 15 Comment
  JEPS86343  Ranunculus lobbii Jack and Betty Guggolz 1988-2-18 899 Sonoma pool about 1/8 mi e Fulton Road (1/4 mi n of Guerneville) Comment
  UCR255746  Ranunculus lobbii Greg de Nevers 1998-4-28 11211 Sonoma North Coast Range, Cresta Ranch, Cresta Road east of Mark West Lodge, on flood plain of Mark West Creek 137 Comment
  RSA534577  Ranunculus muricatus Peter Rubtzoff 1957-4-28 3292 Sonoma Duncans Mills Marsh Comment
  RSA178035  Ranunculus muricatus Robert F. Thorne 1965-4-19 34273 Sonoma Titus Ranch, Valley Ford. 18 Comment
  UCR222564  Ranunculus occidentalis George K. Helmkamp, E. A. Helmkamp 2010-6-5 16251 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
  RSA268383  Ranunculus occidentalis var. eisenii Lyman Benson 1935-3-31 6405 Sonoma Hwy 101, N Coast, Russian River. 244 Comment
  RSA3940  Ranunculus occidentalis var. eisenii I. L. Wiggins 1932-3-12 5758 Sonoma Between Franz Valley and Knight's Valley. Comment
  UC483314  Ranunculus orthorhynchus var. bloomeri Ira L. Wiggins 1932-3-12 5757 Sonoma Knight's Valley Comment
  UC72899  Ranunculus orthorhynchus var. bloomeri Miss M. Alice King April, 1897 Sonoma near Healdsburg Comment
  RSA155471  Ranunculus orthorhynchus var. platyphyllus L. S. Rose 1962-6-1 62063 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  CAS-BOT-BC492930  Ranunculus pusillus Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain; NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds; sampling pool #1 43 Comment
  UCD84283  Ranunculus pusillus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UC118347  Ranunculus pusillus Katharine Brandegee 1905-6-8 Sonoma bet. Santa Rosa and Sebastopol (along the electric line) Comment
  CHSC91408  Raphanus sativus Richard R. Halse 1987-2-22 3376 Sonoma Along State Hwy. 121, .4 mile E of its junction with State Hwy. 116 at Big Bend in the Sonoma Valley. 6 Comment
  UCD81448  Raphanus sativus M. Wiesendanger 1927-5-5 716 Sonoma Sonoma. Comment
  CDA31337  Rhamnus californica D. G. Kelch, Ed Biffin 2010-5-3 10 .193 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  POM136620  Rhamnus californica A. A. Heller 1902-7-8 5816 Sonoma Between Healdsburg and Geyserville Comment
  UCR42378  Rhamnus californica L. F. LaPre 1985-6-5 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  CAS-BOT-BC196915  Rhododendron James McMurphy 1909-5-29 s.n. Sonoma Between Geyser Mountain and the Geysers Comment
  CAS-BOT-BC53741  Rhododendron columbianum Walter Knight; Irja Knight 1964-2-27 554 Sonoma Bog a few hundred yards east of highway #1 ca. 2 mi. so. of Gualala Comment
  CAS-BOT-BC226794  Rhododendron occidentale G. F. Hrusa 1989-6-7 7174 Sonoma Above Franz Valley School Rd. immed. W of Sonoma/Napa Co. line 259 Comment
  CAS-BOT-BC227427  Rhododendron occidentale G. F. Hrusa 1988-4-22 5567 Sonoma Cavedale Rd. between Hwy 12 and Hwy 29 300 Comment
  POM131866  Rhododendron occidentale Edward L. Greene 1894-6-17 s.n. Sonoma Mt. St. Helena. Comment
  SFV2671  Rhododendron occidentale K. A. Wilson 1961-6-23 1236 Sonoma 2 miles north of Sebastopol on CA-Highway 12. 27 Comment
  CDA21375  Rhododendron occidentale var. occidentale G. F. Hrusa, M. Griffiths 1989-6-4 7096 Sonoma North Coast Ranges; Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. Comment
  RSA133726  Rhododendron occidentale var. occidentale John H. Thomas 1955-5-22 5190 Sonoma Graton-occidental Road about 3.5 miles west of Occidental. 61 Comment
  RSA787919  Rhododendron occidentale var. occidentale G. Fred Hrusa 1989-5-8 6091 Sonoma Hogback Mountain at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  CAS-BOT-BC111885  Rhynchospora californica Peter Rubtzoff 1951-7-1 326 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  UC710417  Rhynchospora californica John Thomas Howell 1936-7-26 12679 Sonoma 5 mi n Sebastopol (Pitkin Marsh); Pitkin Marsh Comment
  CAS-BOT-BC111900  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111901  Rhynchospora capitellata Hans Leschke 1945-7-18 s.n. Sonoma 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
  UC1055945  Rhynchospora capitellata Peter Kamb 1950-6-16 1855 Sonoma 1 mi n Sousa Corners (nw of Sebastopol); Pitkin Marsh Comment
  UC710415  Rhynchospora capitellata John Thomas Howell 1936-7-26 12677 Sonoma 5 mi n Sebastopol; Pitkin Marsh Comment
  RSA93974  Rhynchospora capitellata Peter Rubtzoff 1951-7-22 529 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  UC1026387  Rhynchospora globularis var. globularis John Thomas Howell 1945-7-18 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111938  Rhynchospora recognita Peter Rubtzoff 1951-9-2 723 Sonoma Pitkin Marsh, western branch of the Upper Marsh. Comment
  UC730046  Ribes californicum Leo F. Koch 1940-4-20 807 Sonoma about 3 mi from Highway 1 (Plantation road) Comment
  CAS-BOT-BC93052  Ribes californicum var. californicum A. A. Heller; H. E. Brown 1902-3-10 5012 Sonoma Hills East of Santa Rosa. Comment
  UCR255661  Ribes divaricatum Greg de Nevers 1998-3-20 11219 Sonoma Cresta Ranch [Porter Creek Road], Mark West Creek 305 Comment
  CAS-BOT-BC168990  Ribes divaricatum var. pubiflorum Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano Comment
  CAS-BOT-BC168995  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1955-4-30 1803 Sonoma Forestville Marsh Comment
  CAS-BOT-BC169003  Ribes divaricatum var. pubiflorum G. DeNevers 1981-6-20 1579 Sonoma At confluence of Leslie Creek and Mark West Creek, Pepperwood Ranch Comment
  CAS-BOT-BC169004  Ribes divaricatum var. pubiflorum G. DeNevers 1981-6-6 1461 Sonoma Woodland on N slope of Telegraph Hill, Pepperwood Ranch Comment
  UC1182092  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-BC376258  Rorippa Greg de Nevers 1992-5-5 10141 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. West of Three Tree Hill 475 Comment
  RSA0060109  Rorippa Greg de Nevers 1993-4-6 10356 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Creek, along Franz Valley Road by Franz Valley School Road. 100 Comment
  CAS-BOT-BC488331  Rorippa curvisiliqua Ayzik Solomeshch 2009-5-14 s.n. Sonoma 2.3 km SE of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1 22 Comment
  CAS-BOT-BC74720  Rorippa curvisiliqua A. A. Heller 1902-7-2 5807 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  RSA247443  Rorippa curvisiliqua Peter Rubtzoff 1958-5-17 3662 Sonoma Laguna de Santa Rosa, north of Sebastopol, (nr. Occidental Road). Comment
  SEINET11996225  Rorippa curvisiliqua H. K. Wagnon 1989-1 1853 Sonoma Spring Lake County Park, Santa Rosa 67 Comment
  UCR254884  Rorippa curvisiliqua var. occidentalis Peter Rubtzoff 1973-8-25 7259 Sonoma Willow Creek Marsh 9 Comment
  UCR254919  Rosa Greg de Nevers 1989-1 9071 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC152653  Rosa californica Alice Eastwood; John Thomas Howell 1936-5-19 2522 Sonoma 2 miles n. of Windsor Comment
  CAS-BOT-BC152654  Rosa californica John Thomas Howell 1932-9-18 10773 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC152676  Rosa californica A. A. Heller 1902-6-10 5678 Sonoma Santa Rosa Comment
  CAS-BOT-BC251220  Rosa canina Peter Rubtzoff 1976-5-30 8565 Sonoma Kenwood Marsh. Comment
  CDA3957  Rosa eglanteria T. C. Fuller 1966-6-2 14851 Sonoma South side of road to Valley Ford, 2 miles west of Two Rock. 0 Comment
  JEPS90530  Rosa gymnocarpa Elizabeth Cook 1975-5-18 89 Sonoma 5 mi. w. Oakville (on Oakville grade) Comment
  UCD113845  Rosa gymnocarpa Frederica Bowcutt 1994-5-1 1766 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; about 18 air miles NW of Napa. Along Sonoma Creek just E of confluence with Bear Creek near bridge over Sonoma Creek. On Goodspeed trail about 30 yards from trailhead. 198 Comment
  RSA96662  Rosa gymnocarpa Percy C. Everett, E. K. Balls 1954-10-20 20373 Sonoma 2 miles S of Lake-Sonoma Co. line. Road from Middletown to Mt. St. Helena. 701 Comment
  UCD113886  Rosa nutkana Chris Bowen 1974-6-2 150 Sonoma Near Sea Gate Road, Unit 7 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC262827  Rubus Peter Rubtzoff 1964-6-3 5346 Sonoma Bodega Bay Marsh. Comment
  UCD113551  Rubus armeniacus Frederica Bowcutt 1994-5-21 1836 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. On side of hillside trail past junction with Digger Pine Trail approximately 1 mile. 411 Comment
  CAS-BOT-BC147990  Rubus leucodermis J. W. Congdon 1880-5-16 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC147991  Rubus leucodermis H. E. McMinn 1922-6-7 928 Sonoma By Monte Rio, seen along roadside three canyon from Occidental Comment
  RSA800404  Rubus parviflorus Peter Rubtzoff 1964-5-20 5311 Sonoma Brooks Gulch Marsh. Comment
  UC1128639  Rubus parviflorus A. Lewis 1932-5-13 75 Sonoma Calabasas Creek Napa Quadrangle, Calabasas Creek 457 Comment
  SBBG3105  Rubus parviflorus N. F. Sommer 1954-5-15 76 Sonoma St Hwy 12, park at N edge of Occidental 30 Comment
  UC1073291  Rubus spectabilis George B. Rossbach 1955-3-19 310 Sonoma on thoroughfare into Bodega Harbor opposite Doran Beach Point (e edge Bodega Head); , thoroughfare into Bodega Harbor 22 Comment
  UCR279615  Rubus spectabilis Peter Rubtzoff 1957-4-28 3291 Sonoma Duncan Mills Marsh 8 Comment
  CAS-BOT-BC164081  Rumex Peter Rubtzoff 1955-8-7 2029 Sonoma Guerneville Marsh. Along Pocket Canyon. Comment
  CAS-BOT-BC166704  Rumex Peter Rubtzoff 1958-7-19 3756 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC422233  Rumex acetosella Peter Rubtzoff 1951-7-21 511 Sonoma Pitkin Marsh, near Forestville. Area between the Upper and the Lower marshes. Comment
  CAS-BOT-BC422234  Rumex acetosella Walter Knight; Irja Knight 1963-8-13 410 Sonoma Horseshoe Cove Comment
  RSA94324  Rumex acetosella Peter Rubtzoff 1951-7-7 376 Sonoma Pitkin Marsh, near Forestville: Eastern branch of NE upper Marsh in partial shade on damp ground Comment
  UCR222560  Rumex conglomeratus George K. Helmkamp, E. A. Helmkamp 2010-6-5 16238 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  CAS-BOT-BC433408  Rumex crispus John Thomas Howell 1955-8-6 30892 Sonoma 1 mile southeast of Bloomfield on road to Two Rock Comment
  CAS-BOT-BC433412  Rumex crispus G. DeNevers 1981-6-15 1560 Sonoma Pepperwood Ranch. Along Franz Creek. Comment
  CAS-BOT-BC433450  Rumex crispus Alice Eastwood 1915-6-30 4896 Sonoma Bodega 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
  CAS-BOT-BC433844  Rumex pulcher Peter Rubtzoff 1951-7-7 381 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  POM252713  Rupertia physodes A. A. Heller 1902-6-23 5744 Sonoma Petrified Forest Comment
  RSA107069  Rupertia physodes L. S. Rose 1956-6-18 56097 Sonoma 4 mi. w. of Graton, junction of Harrison grade and Green Valley Road. Comment
  RSA216138  Ruppia maritima Peter Rubtzoff 1962-8-3 5033 Sonoma Lower Salmon Creek Marsh. In rather deep water of Salmon Creek. Comment
  SEINET1906227  Rytidosperma penicillatum Barbara Ertter 2003-1 18246 Sonoma Bidega Bay, coastal meadow behind community center on west side of Hwy 1north of town. Comment
  UCD166485  Sagina Peter Rubtzoff 1964-6-24 5370 Sonoma Lower Salmon Creek Marsh. Comment
  RSA227245  Sagittaria latifolia Peter Rubtzoff 1955-8-28 2111 Sonoma Forestville Marsh Comment
  RSA94452  Sagittaria latifolia Peter Rubtzoff 1951-8-19 663 Sonoma Eastern branch of the Upper Marsh. The Pitkin Marsh, near Forestville. Comment
  UC903712  Salicornia europaea Milo S. Baker 1946-10 11661 Sonoma 1 mi n junction with Sears Point Hwy. (e of hwy) Comment
  CAS-BOT-BC290711  Salix Peter Rubtzoff 1973-9-9 7326 Sonoma Kenwood Marsh. Comment
  RSA0015573  Salix Peter Rubtzoff, J. Eckenwalder 1974-4-6 7347 Sonoma Kenwood Marsh. At south margin of the area. Comment
  RSA0019508  Salix Peter Rubtzoff, J. Eckenwalder 1974-4-6 7352 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC103948  Salix exigua Peter Rubtzoff 1957-5-26 3370 Sonoma Vacation Beach, near Guerneville. Sandy bank of Russian River Comment
  UC482326  Salix laevigata C. R. Ball and H. E. Parks 1931-2-17 22 Sonoma 1 mi s. Santa Rosa (Santa Rosa Creek); Santa Rosa Creek Comment
  HSC19980  Salix lasiandra R. Spellenberg, A. Sylvester, D. Sutherland 1966-3-26 1339 Sonoma Along Sulphur Creek, 7 mi. W of Big Geysers Comment
  UC66164  Salix lasiandra subsp. lasiandra A. A. Heller 1902-8-23 5098 Sonoma Santa Rosa Creek e. of Santa Rosa Comment
  CAS-BOT-BC128068  Salix lasiandra var. lasiandra Baker; Ball; Bracelin; Crum 1931-5-9 347 Sonoma About 2 km. east of Bodega Bay. Comment
  CAS-BOT-BC107097  Salix lasiolepis Peter Rubtzoff 1952-3-23 904 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC107100  Salix lasiolepis Peter Rubtzoff 1952-3-23 904 Sonoma Southern half of Lower Marsh Comment
  UC1135035  Salix lasiolepis H. S. Yates 1934-4-21 3779 Sonoma near Bodega Bodega; Sebastopol quad. Comment
  UC511621  Salix lasiolepis W. A. Setchell 1933-7-2 1 Sonoma well away from Russian R. Bohemian Grove (Monte Rio) Comment
  UC524780  Salix lasiolepis W. A. Setchell 1934-7-10 1 Sonoma 1 or 2 mi. w. Fort Ross (Coast Hwy.) 76 Comment
  SEINET5633134 Image available Salix lasiolepis A. A. Heller 1902-1 2738 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC107345  Salix lasiolepis var. bigelovii C. R. Ball; B. S. Ball 1933-5-6 2502 Sonoma 4 miles SW of Calistoga, on road to Petrified Forest, and just over Napa County line Comment
  RSA534485  Salix lasiolepis var. lasiolepis Peter Rubtzoff 1987-9-12 9849 Sonoma Russian River at Forest Hills. 5.5 miles E of Guerneville. Comment
  POM219060  Salix lucida subsp. lasiandra Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 347 Sonoma About 2 km E of Bodega Bay. Comment
  UC482049  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  CAS-BOT-BC126183  Salix scouleriana W. A. Setchell 1934-7-10 5 Sonoma Coast Highway above Fort Ross Comment
  CAS-BOT-BC126184  Salix scouleriana W. A. Setchell 1933-7-9 3 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  CAS-BOT-BC126197  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 343 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  POM214873  Salix scouleriana Y. Mexia 1933-2-18 s.n. Sonoma 4 miles S of Camp Meeker. Comment
  UC1135087  Salix scouleriana E. Armstrong 1934-3-26 904 Sonoma 1 mi. w. Camp Meeker; Sebastopol Quadrangle 152 Comment
  UC453116  Salix scouleriana W. A. Setchell 1931-8-1 29 Sonoma well up Kitchen Creek Bohemian Grove; Kitchen Creek, Bohemian Grove 60 Comment
  UC482054  Salix scouleriana Baker, Ball, Bracelin, and Crum 1931-5-9 343 Sonoma 2 km. e. Occidental (rd. from <Grayton> to Occidental, 1/2 way up last hill, on Occidental grade) Comment
  UC517940  Salix scouleriana W. A. Setchell 1934-3-17 Sonoma beside rd. entering Bohemian Grove Monte Rio Comment
  CAS-BOT-BC128902  Salix sitchensis Ball; Bracelin; Parks & Parks 1931-4-21 35 Sonoma Maacama Creek, 25 km. northwest of Calistoga Comment
  RSA534487  Salix sitchensis Peter Rubtzoff 1962-9-9 5075 Sonoma Brooks Gulch Marsh. Comment
  UC482069  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 344 Sonoma 2 km. e. Bodega Bay Comment
  CAS-BOT-BC176914  Salsola tragus Catherine Best 1986-11-16 1232 Sonoma At the edge of Hwy. 121 near the railroad crossing Comment
  UCD125322  Salvia columbariae Frederica Bowcutt 1996-5-24 2167 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 W of kiosk. Comment
  OBI48690  Salvia sonomensis Michener & Bioletti, Bioletti June1893 s.n. Sonoma Hoods Peak Comment
  OBI70566  Salvia sonomensis D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .279 Sonoma Cavedale rd 518 Comment
  SEINET12327819  Salvia sonomensis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -099 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  CAS-BOT-BC223346  Sanicula bipinnatifida Alice Eastwood 1921-4-24 10376 Sonoma Santa Rosa Comment
  UCD20065  Sanicula bipinnatifida C. H. Lamoureux; J. M. Tucker, J. McCaskill, and S. Armstrong 1957-4-7 1195 Sonoma 1 mile north of junction of Hwy 12 and Calistoga Rd., near Santa Rosa. 15 Comment
  CDA10850  Sanicula laciniata G. F. Hrusa, G. L. Stebbins 1994-4-8 11726 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  UC1022552  Sanicula laciniata C. Ritchie Bell 1951-2-19 3 -103 Sonoma e of Glen Ellen (by California Highway 12) Comment
  RSA799993  Saponaria Peter Rubtzoff 1955-9-10 2127 Sonoma Marshes: Guerneville Marsh. Comment
  RSA17703  Saxifraga californica Elmer I. Applegate 1934-3-25 8843 Sonoma Sausal Creek on road to Pine Flat. W slope of Mayacama Mountains. Comment
  UCD65652  Schedonorus arundinaceus Gerry North 1993-4 35 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At lower camping area, 50 m east of foot bridge. 365 Comment
  CAS-BOT-BC283150  Schedonorus arundinaceus John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54692 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  UCD65648  Schedonorus arundinaceus David L. Morgan 1956-4-20 Sonoma Wilson St., 1/2 block SW of Jefferson, Petaluma. Comment
  SEINET10502791  Schoenoplectus acutus var. occidentalis Rubitzoff 1955-9-25 RUBITZOFF 2159 Sonoma Forestville marsh. In the open, in shallow water. Comment
  SD134079  Schoenoplectus californicus Peter Rubtzoff 1967-8-28 5871 Sonoma Lower Salmon Creek Marsh, in shallow water (saline), in the open. Comment
  RSA0019147  Schoenoplectus maritimus Peter Rubtzoff, Nancy Harrison 1974-9-7 7873 Sonoma Hinebaugh Creek in Rohnert Park, creek bed west of Commerce Blvd. crossing. Comment
  CAS-BOT-BC366889  Schoenoplectus mucronatus Greg de Nevers 1997-9-29 11097 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  SD134065  Schoenoplectus mucronatus Peter Rubtzoff, Nancy Harrison 1974-9-7 7872 Sonoma Hinebaugh Creek in Rohnert Park, open wet ground of creek bed west of Commerce Blvd. crossing. 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
  CAS-BOT-BC111116  Scirpus microcarpus Peter Rubtzoff 1955-8-20 2070 Sonoma Bodega Harbor Marsh. Open damp sandy ground bordering the marsh. Comment
  CAS-BOT-BC111105  Scirpus microcarpus Peter Rubtzoff 1951-6-10 207 Sonoma A marshy opening south of the Upper Marsh Comment
  UC1005694  Scoliopus bigelovii Frank W. Gould 1939-2-25 562 Sonoma canyon ca. 2 1/2 mi. s. Ft. Ross 30 Comment
  SEINET12058072  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -004 Sonoma ca 0.3 mi WNW of Camp Meeker on Bohemian Road along floodplain of Dutch Bill Creek 50 Comment
  SEINET12058076  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -002 Sonoma WNW of Sebastapol, 0.2 mi S of Occidental Road on Furlough Road, Sturgeon's Mill 80 Comment
  POM180691  Scrophularia californica J. T. Howell 1930-7-27 5392 Sonoma 1 mile north of Fort Ross. Comment
  SEINET10582627  Scrophularia californica subsp. californica Jon Ricketson, Deanna Vanderbur 1985-7-3 Ricketson 2616 Sonoma Fort Ross State Park, along State Highwa 1, between Fort Ross and Jenner above Pacific Ocean. 50 miles northwest of San Francisco. 30 Comment
  UC76189  Scutellaria californica Milo S. Baker 1901-1 591 Sonoma Santa Rosa Comment
  CAS-BOT-BC376321  Scutellaria tuberosa Greg de Nevers 1993-4-27 10411 B Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Rd. 400 Comment
  CAS-BOT-BC371428  Sedella pumila Greg de Nevers 1997-4-16 10941 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  RSA73968  Sedella pumila Milo S. Baker 1952-4-20 12399 Sonoma East side of Hwy 12 on outcrop of [tuff?] and ca. 0.25 miles N of Caliente. Comment
  UC764995  Sedum radiatum R. F. Hoover 1938-6-14 3608 Sonoma on road to Occidental 2 mi w Graton; w of Graton Comment
  CAS-BOT-BC64096  Sedum radiatum subsp. radiatum A. A. Heller 1902-6-28 5789 Sonoma Between Knight's Valley and Mark West Springs Comment
  CAS-BOT-BC62174  Selaginella kraussiana W. R. Dudley 1895-2-23 s.n. Sonoma Knights Valley Comment
  CAS-BOT-BC376339  Selaginella wallacei Greg de Nevers 1997-12-12 11110 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In 40 acres west of Trapper's Cabin. 400 Comment
  JEPS19295  Selaginella wallacei C. F. Baker 1903-4-20 2746 Sonoma Napa-Sonoma-Lake Co. line Mt. St. Helena; inner N. Coast Ranges Comment
  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
  CAS-BOT-BC327426  Senecio flaccidus var. douglasii Volney Rattan 1887-7-25 s.n. Sonoma Valley Springs Comment
  UCD135497  Senecio glomeratus Cathy Hendel 1974-7-10 s.n. Sonoma near Kirkwood House on Pacific Reach Road, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC1299457  Senecio minimus Freed W. Hoffman 1946-9-1 1236 Sonoma ocean bank Bodega Park; North Coast Ranges, Bodega Park Comment
  UCR279640  Senecio minimus Peter Rubtzoff 1958-8-23 3916 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  UC1299455  Senecio sylvaticus Freed W. Hoffman 1948-5-30 2680 Sonoma near Guerneville; North Coast Ranges, Poole Ridge Comment
  RSA791558  Senecio vulgaris Peter Rubtzoff 1973-8-20 7220 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD165128  Senecio vulgaris Peter Rubtzoff 1974-4-17 7380 Sonoma Upper Green Valley Marsh. Comment
  SEINET10612339  Sequoia sempervirens A. Arthur Heller, H. E. Brown 1902-3-16 Heller 5080 Sonoma Russian River, Near Trenton. Comment
  CAS-BOT-BC243605  Setaria parviflora Burbank 1926-1-1 s.n. Sonoma Luther Burrant Garden Comment
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Sep 24 2017
  UCD92720  Setaria pumila John Thomas Howell 1947-9-26 32976 Sonoma near Guerneville. Russian River. Comment
  RSA264737  Sherardia arvensis Peter Rubtzoff 1971-5-8 6453 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  CAS-BOT-BC290628  Sidalcea Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7814 Sonoma Kenwood Marsh. Comment
  UCR275239  Sidalcea Peter Rubtzoff 1976-5-30 8578 Sonoma North Coast Range, east side of Hwy 12, c. 0.75 mile south of Kenwood (0.9 mile south of Warm Springs Road junction) 127 Comment
  CAS-BOT-BC540831  Sidalcea Peter Rubtzoff 1976-5-30 8578 Sonoma East side of Highway 12, ca. 0.75 mi. south of Kenwood (0.9 miles south of Warm Springs Road junction). Comment
  CAS-BOT-BC205564  Sidalcea malachroides L. R. Abrams 1920-7-3 7604 Sonoma Gualala River near Mendocino-Sonoma Co. Line Comment
  UCSB50223  Sidalcea malviflora Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 16 Comment
  CHSC3190  Sidalcea malviflora subsp. laciniata Dona Kingsford 1966-4-6 Sonoma 2.5 miles E of Bodega Bay on Tomales- Valley Ford Road. Comment
  SEINET7042576  Sidalcea malviflora subsp. laciniata A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  SEINET7042680  Sidalcea malviflora subsp. laciniata A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  SD64375  Sidalcea malviflora subsp. purpurea Darley F. Howe 2 Jun 4260 Sonoma Coast, 3.0 miles north of Bodega Bay. Comment
  CAS-BOT-BC540830  Sidalcea oregana subsp. valida Peter Rubtzoff 1979-7-15 9292 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 miles west of its junction with Franz Valley Road. Comment
  CAS-BOT-BC320543  Silene Peter Rubtzoff 1974-5-26 7487 Sonoma Vernal pool area on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  CAS-BOT-BC320544  Silene Peter Rubtzoff 1974-5-25 7456 Sonoma Upper Green Valley 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
  CAS-BOT-BC311804  Silene Peter Rubtzoff 1974-5-18 7417 Sonoma Todd Road 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UC1299501  Silene californica Freed W. Hoffman 1947-5-30 554 Sonoma Layton Mine North Coast Ranges, , Layton Mine (Austin Creek) Comment
  CAS-BOT-BC392490  Silene gallica John H. Thomas 1976-6-16 18334 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC392491  Silene gallica John H. Thomas 1976-6-16 18229 A Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC392495  Silene gallica G. DeNevers 1981-5-9 1064 Sonoma Pepperwood Ranch; Along the road at the aluminum gate above the Strebel Homestead. Comment
  UCR254834  Silene multinervia Greg de Nevers 1997-4-16 10931 Sonoma North Coast Range, Cavedale Road 152 Comment
  RSA0056440  Silene multinervia Greg de Nevers 1997-4-16 10931 Sonoma Cavedale Road. 152 Comment
  UCD135839  Silybum marianum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 049 -A Sonoma near unused barn by Sea Ranch Lodge. Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC496429  Sisyrinchium bellum Merle Randall 1930-6-10 Sonoma Shore road from Jenner to Fort Ross 91 Comment
  SD112453  Sisyrinchium californicum Darley F. Howe 1963-7-3 3585 Sonoma 20 miles north of #12 on #1. Comment
  UC1134661  Smilacina racemosa E. Armstrong 1934-3-26 917 Sonoma 2 mi s Camp Meeker; Sebastopol Quadrangle Comment
  CAS-BOT-BC164411  Solanum Peter Rubtzoff 1962-7-14 4991 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC164422  Solanum Peter Rubtzoff 1963-10-5 5287 Sonoma Laguna de Santa Rosa east of Graton. Comment
  UCD167434  Solanum Peter Rubtzoff 1958-9-20 3998 Sonoma Laguna de Santa Rosa NE of Graton (0.5 mi. N Guerneville Rd). Comment
  CAS-BOT-BC164416  Solanum Peter Rubtzoff 1960-9-17 4568 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  CAS-BOT-BC164419  Solanum Peter Rubtzoff 1971-8-9 6634 Sonoma Laguna, Chileno Valley. Comment
  UCD148404  Solanum Peter Rubtzoff 1958-8-17 3889 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  UCR281902  Solanum americanum Peter Rubtzoff 1965-9-11 5649 Sonoma North Coast Ranges, Russian River margin at Forest Hills, 5.5 miles east of Guerneville 9 Comment
  CAS-BOT-BC83501  Solanum lycopersicum G. DeNevers 1992-10-15 10250 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd. 304 Comment
  UC424779  Solanum umbelliferum Milo S. Baker 1929-4-14 3489 b Sonoma Jensen's Ranch Comment
  CAS-BOT-BC344889  Solidago Peter Rubtzoff 1962-9-16 5094 Sonoma Vacation Beach, 1.5 miles below Guerneville. Comment
  RSA94281  Solidago canadensis subsp. elongata Peter Rubtzoff 1951-9-2 721 Sonoma Western branch of the Upper Marsh. Comment
  CAS-BOT-BC365658  Solidago spathulata John Thomas Howell 1946-8-17 22866 Sonoma Cunningham Marsh Comment
  SDSU534  Solidago spathulata subsp. spathulata D. F. Howe 1962-7-29 3350 Sonoma 12 miles north of Jenner on #1. 91 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
  UC485623  Solidago velutina subsp. californica Miss C. M. Huak August 1912 Sonoma Monte Rio Comment
  UCR280137  Soliva sessilis Peter Rubtzoff 1971-5-8 6444 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive 137 Comment
  CAS-BOT-BC365963  Soliva sessilis John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54672 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC365964  Soliva sessilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True 1981-5-14 54023 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCD133996  Sonchus asper subsp. asper Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1772 Sonoma Sugarloaf Ridge State ParkAbout 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 1.5 air miles NE of Kenwood and 18 air miles NW of Napa. In Adobe Canyon N of Sugarloaf Ridge along the S edge of Sonoma Creek at the parking lot/trail head of Goodspeed Trail. 198 Comment
  CAS-BOT-BC374742  Sonchus oleraceus Walter Knight; Irja Knight 1963-10-3 357 Sonoma Crane Canyon Comment
  UCD136184  Sonchus oleraceus Mary M. Hektner 1974-7-25 167 Sonoma Galleon's Reach, Unit 3 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UC1146596  Sorghum halepense Freed W. Hoffman July 1941 2220 Sonoma near Guerneville; North Coast Ranges Comment
  UCR71885  Sparganium emersum subsp. emersum Peter Rubtzoff 1972-6-24 6790 Sonoma Atascadero Creek Marsh 28 Comment
  CDA37709  Spartium junceum Breckenridge/Filippini 2007-4-15 s.n. Sonoma Healdsburg, on Highway 101. 0 Comment
  CAS-BOT-BC251230  Spergula arvensis Peter Rubtzoff 1962-5-25 4837 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  SD39609  Spergula arvensis Edith A. Purer 1932-8-21 4053 a Sonoma Bodega Bay. Comment
  CAS-BOT-BC390046  Spergula arvensis Peter Rubtzoff 1952-3-23 880 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  CAS-BOT-BC390049  Spergula arvensis Ella Dales Cantelow 1940-4-20 3446 Sonoma N. of Ft. Ross. Hy I Comment
  RSA178018  Spergula arvensis R. F. Thorne 1965-4-19 34277 Sonoma Titus Ranch, Valley Ford. 18 Comment
  RSA696201  Spergula arvensis Keith E. Hoffmaster 1946-3-9 1043 Sonoma Near Santa Rosa. Comment
  CAS-BOT-BC251315  Spergularia Peter Rubtzoff 1959-6-20 4146 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC390124  Spergularia bocconi Catherine Best 1982-8-18 s.n. Sonoma Goat Rock Park off of Hwy 1 Comment
  UCD99211  Spergularia macrotheca var. macrotheca P. G. Connors 1991-6-17 160 Sonoma Bodega Marine Laboratory. Comment
  CAS-BOT-BC390518  Spergularia macrotheca var. macrotheca Alice Eastwood; John Thomas Howell 1937-5-31 4502 Sonoma 6 miles north of Bodega Bay Comment
  CAS-BOT-BC390975  Spergularia marina G. B. Rossbach; R. P. Rossbach 1938-5-27 630 Sonoma Bodega Bay Comment
  CAS-BOT-BC344886  Spiranthes Peter Rubtzoff 1971-6-23 6547 Sonoma Field redacted by CAS, contact the data manager for more information 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
  RSA179722  Stachys ajugoides J. T. Howell 1930-6-8 5228 Sonoma Bodega Road, 4 miles east of Valley Ford. Comment
  UCD126019  Stachys bullata C. Wistrom 1996-5-26 26 Sonoma Healdsburg. 1601 Dry Creek Road. 48 Comment
  SEINET12331121  Stachys rigida subsp. quercetorum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -153 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 80 Comment
  SEINET9333111  Stachys rigida var. quercetorum John Nelson, Wnek, R. 2000-3-7 20940 Sonoma Coleman Beach Comment
  CAS-BOT-BC251306  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-7-9 1932 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC251255  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-6-4 1901 Sonoma Forestville Marsh. Comment
  RSA800338  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-6-4 1901 Sonoma Forestville Marsh Comment
  CAS-BOT-BC251256  Stellaria media Peter Rubtzoff 1964-7-29 5437 Sonoma Brooks Gulch Marsh. Comment
  HSC4274  Stellaria media F. Demostene 1966-4-2 10 Sonoma 2 mi. E of Healdsburg Comment
  RSA800340  Stellaria media Peter Rubtzoff 1958-8-16 3883 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC371406  Stellaria nitens Greg de Nevers 1993-3-24 10333 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Weimar Canyon 457 Comment
  CAS-BOT-BC405133  Stellaria nitens D. E. Breedlove 1983-4-11 58691 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  SEINET11933911  Stellaria nitens F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -234 Sonoma end of Stoetz Road 200 Comment
  UCD136267  Stephanomeria elata L. D. Gottlieb 1966-8-4 66115 Sonoma on Trinity road, 1/2 mile east of junction with Cavedale Road. 548 Comment
  UCD134104  Stephanomeria exigua subsp. coronaria Frederica Bowcutt 1995-11-19 2062 Sonoma Sugarloaf Ridge State Park. About 50 miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Bald Mtn. Trail between Vista and Red Mtn. trails. 579 Comment
  UCD167448  Streptanthus James Neilson 1983-6-13 4095 Sonoma East Austin Creek tributary. (On the same date Neilson was in the upper reaches of East Austin Creek, however the exact tributary is unknown. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC61147  Streptanthus barbiger Milo S. Baker 1946-7-4 11519 Sonoma Harrison Grade, 2 miles northeast of Occidental. Comment
  JEPS97636  Streptanthus barbiger Annetta M. Carter 1947-5-30 1843 Sonoma 2 mi. E of Occidental. Comment
  UC1492711  Streptanthus barbiger Freed W. Hoffman 1950-5-24 3359 Sonoma trail from Gray Creek to The Island (headwaters of East Austin Creek); North Coast Ranges, East Austin Creek Comment
  UC1745585  Streptanthus barbiger Annetta M. Carter 1947-5-30 1843 Sonoma 2 mi. E of Occidental. Comment
  UC963921  Streptanthus barbiger Milo S. Baker 1947-5-30 11775 Sonoma along grade ca 2 mi ne Occidental; North Bay Counties, Harrison Grade Comment
  CAS-BOT-BC61157  Streptanthus barbiger R. D. Stone 1983-6-14 534 Sonoma Headwaters of Squaw Creek drainage, 0.8 mile northwest of Geyser Rock. 960 Comment
  UC1492708  Streptanthus brachiatus Freed W. Hoffman 1950-6-29 3436 Sonoma exposed ridge near Contact Mine (e of Pine Flat, on Sonoma-Lake Co. line); North Coast Ranges 914 Comment
  UC1292755  Streptanthus glandulosus Freed W. Hoffman 1947-6-4 1066 Sonoma near Dorr's Cabin, East Austin Creek Comment
  CAS-BOT-BC87229  Streptanthus glandulosus subsp. glandulosus H. N. Bolander 1864-4-1 3944 Sonoma At the Geysers. Comment
  CAS-BOT-BC87231  Streptanthus glandulosus subsp. glandulosus Mrs. C. A. Burlingame 1921-5-20 s.n. Sonoma Sonoma. Comment
  UC10874  Streptanthus glandulosus subsp. glandulosus F. T. Bioletti 1892-5-1 Sonoma Hood's Peak Comment
  UC10885  Streptanthus glandulosus subsp. glandulosus H. N. Bolander April 1864 3944 Sonoma at the Geysers Comment
  UC1492782  Streptanthus glandulosus subsp. hoffmanii Freed W. Hoffman 1947-4-10 1056 Sonoma near hot springs; North Coast Ranges, Big Geysers Comment
  UC70399  Streptanthus glandulosus subsp. secundus Milo S. Baker 1899-6-28 Sonoma near Duncan's Mills; Russian River Comment
  UC985956  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-1 2335 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  CAS-BOT-BC87305  Streptanthus glandulosus subsp. sonomensis Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4756 Sonoma The Cedars. Near Cazadero on Twitchell Ranch. 274 Comment
  CAS-BOT-BC87303  Streptanthus glandulosus subsp. sonomensis Doreen Smith 2003-5-1 s.n. Sonoma Coleman Valley Road. South of the road. Comment
  UCD167364  Streptanthus morrisonii James Neilson Date Unknown 4058 Sonoma Creek northeast of Layton Mine buildings. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1102675  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1946-9-26 1020 Sonoma Layton Chromite Mine North Coast Ranges, Big Austin Creek (headwaters of creek); headwaters of Big Austin Creek at Layton Chromite Mine, Sonoma Co. Comment
  JEPS2878 Image available Streptanthus tortuosus Michener and Bioletti 1893-5-30 Sonoma Hood's Peak; ; Hood's Peak, Sonoma Co. Comment
  UC1601622  Streptanthus tortuosus Milo S. Baker 1940-7-15 9781 Sonoma cliffs Hood's Peak Comment
  RSA800122  Stuckenia pectinata Peter Rubtzoff 1971-9-30 6712 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC540812  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  CAS-BOT-BC269629  Symphoricarpos albus var. laevigatus Peter Rubtzoff 1952-6-13 1252 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC269630  Symphoricarpos albus var. laevigatus A. A. Heller 1902-6-24 5762 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC269631  Symphoricarpos albus var. laevigatus Walter Knight; Irja Knight 1963-10-3 355 Sonoma Crane Canyon Comment
  CAS-BOT-BC97817  Symphyotrichum chilense Peter Rubtzoff 1951-9-15 768 Sonoma Lower part of the Upper Masrh Comment
  UC75848  Symphyotrichum chilense Miss M. Alice King 1897-6-1 Sonoma near Healdsburg Comment
  CAS-BOT-BC97836  Symphyotrichum chilense Milo S. Baker 1948-9-1 12042 Sonoma About 1 mi north of [Hiway] Highway Junction (i.e., Sears Point) of Sears Point from Vallejo and Black Point cut off Comment
  CAS-BOT-BC98572  Symphyotrichum lentum John Thomas Howell 1932-9-18 10783 Sonoma Along Sonoma Creek on Lower Road to Glen Ellen 3 miles from Kenwood Comment
  CAS-BOT-BC221967  Taeniatherum caput-medusae G. DeNevers 1981-5-15 1204 Sonoma Pepperwood Ranch. Hansel's Lake Comment
  CAS-BOT-BC376798  Tanacetum parthenium Lewis S. Rose 1933-9-3 33355 Sonoma 2 mi. w. of Petrified Forest Comment
  CAS-BOT-BC376986  Taraxacum officinale Peter Rubtzoff 1952-3-23 877 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CHSC1158  Taraxia ovata V. Holt 1935-3-24 Sonoma Near Petaluma. Comment
  CHSC28708  Taraxia ovata R. A. Schlising; C. A. Lawler 1979-4-12 3359 Sonoma S of Petaluma in extreme southern part of county, just N of Marin Co. line along San Antonia Road, 0.3 mi W of Hwy 101. In pasture. Comment
  UCD107047  Taraxia ovata M. Wiesendanger 1927-5-5 707 Sonoma location unknown. Comment
  POM142582  Tellima grandiflora A. A. Heller 1903-4-23 6612 Sonoma Fort Ross Comment
  CAS-BOT-BC447462  Tellima grandiflora Lewis S. Rose 1962-4-18 62023 Sonoma 1 mi. nw of firestone 76 Comment
  UCD106681  Thermopsis californica var. californica Mary M. Hektner 1975-6-3 200 Sonoma Monarch Glen, Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA800061  Thermopsis californica var. californica Peter Rubtzoff 1965-5-8 5527 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC66806  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10933 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66828  Thysanocarpus curvipes D. E. Breedlove 1983-4-11 58693 Sonoma Pepperwood Ranch west of Knights Valley. Comment
  CAS-BOT-BC66811  Thysanocarpus curvipes Karl H. Rechinger; J. T. Howell 1953-4-12 s.n. Sonoma Hills north of Sonoma. Comment
  SEINET11987373  Thysanocarpus curvipes var. elegans R. A. Schlising 1962-1 2125 -d Sonoma along Cavedale Road, 1 mi E of Hwy 12 Comment
  CAS-BOT-BC67333  Thysanocarpus radians A. A. Heller; H. E. Brown 1902-4-8 5223 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC67335  Thysanocarpus radians John H. Thomas 1968-4-4 14268 Sonoma 2.8 miles northeast of highway 101 on road to Mark Springs West, along Mark Springs road. Comment
  CAS-BOT-BC67339  Thysanocarpus radians Karl H. Rechinger 1953-4-12 s.n. Sonoma Hills north of Sonoma. Comment
  UC570910  Tiarella trifoliata var. unifoliata H. L. Mason 1928-7-11 4888 Sonoma Canyon 2 mi n Fort Ross; n of Fort Ross Comment
  CAS-BOT-BC376216  Tolpis barbata Greg de Nevers 1995-5-20 10730 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  RSA523395  Tonella tenella Harry K. Roberts 1968-4-6 s.n. Sonoma North side of Mt Jackson, 1.5 airline miles NNE of Rio Nido, on road to lookout, ca 1 mile NE of Sonoma Mercury Mine. 320 Comment
  SFV17047  Torilis arvensis P. Wilson 1997-6-1 3463 Sonoma Sugarloaf Ridge State Park. 500 Comment
  CAS-BOT-BC173708  Torreyochloa pallida var. pauciflora Peter Rubtzoff 1973-9-9 7320 Sonoma Kenwood Marsh. Comment
  JEPS128209  Toxicoscordion fremontii Roger Raiche 2000-5-5 095 .00 Sonoma The Cedars. Danfield Creek drainage near crest with Pepperwood Creek; topographic peak 2061. Gualala River, Wheatfield Fork watershed. Comment
  UC2025087  Toxicoscordion fremontii Fayla Schwartz 1991-3-23 162 Sonoma Grassy hillside, east side of Highway 1 (mile 50.59) near the Sea Ranch, just south of Black Point Beach. Comment
  JEPS77869  Tragopogon porrifolius Robert M. Lloyd 1965-5-8 3632 Sonoma corner of Pressley Rd and Sonoma Mt. Road (w of Glen Ellen) Comment
  UCLA54892  Trichostema laxum Marcus E. Jones 1931-7-5 Sonoma The Geysers Comment
  UCR50512  Trichostema laxum L. F. LaPre 1987-6-28 s.n. Sonoma North Coast Ranges, Cadd Fire Trail, off Unocal Ridge Road, 2 mi. west of Socrates Mine, near Lake county line 976 Comment
  POM188235  Trichostema laxum Marcus E. Jones 1931-7-5 28816 Sonoma Geysers Comment
  SEINET12337136  Trichostema laxum Unknown 1986-1 60286 Sonoma at Lake Co. line, Mayacamas Mts., Pine Mt. fireroad, ca 0.5 mi N of Ida Clayton Rd 747 Comment
  UC496403  Trientalis latifolia Merle Randall 1930-6-11 Sonoma near Cazadero Comment
  UCD117567  Trientalis latifolia F. Bowcutt 1994-5-1 1756 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. Along Sonoma Creek just E of Bear Creek near bridge over Sonoma Creek. On Goodspeed trail about 30 yards from trail head. Along Sonoma Creek. 198 Comment
  HSC17939  Trientalis latifolia James Faro 1962-4-20 1 Sonoma About 5 mi. N of Geurnville on the Old Cazadero Rd. Comment
  SEINET11993489  Trientalis latifolia F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -201 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 800 Comment
  CAS-BOT-BC173635  Trifolium Peter Rubtzoff; Nancy Harrison 1974-5-26 7469 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA784995  Trifolium Peter Rubtzoff, Nancy Harrison 1974-5-26 7467 Sonoma On Bennett Valley Road, 4.25 mi W of Glen Ellen. Comment
  CAS-BOT-BC173626  Trifolium Peter Rubtzoff 1974-5-19 7441 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC173629  Trifolium Peter Rubtzoff 1974-5-18 7430 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173630  Trifolium Peter Rubtzoff 1974-5-18 7429 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173650  Trifolium Peter Rubtzoff 1974-5-11 7403 Sonoma Laguna de Santa Rosa east of Sebastopol (south of Hwy. 12 crossing). Comment
  RSA784997  Trifolium Peter Rubtzoff 1974-5-26 7496 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  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
  POM313529  Trifolium barbigerum P. B. Kennedy 1929-5-24 10292 Sonoma Between Sea View and Plantation Comment
  UC494184  Trifolium bifidum var. bifidum H. E. and S. T. Parks 1930-5-9 612 Sonoma Knights Valley Comment
  SEINET12166393  Trifolium campestre H. K. Wagnon 1989-1 1891 Sonoma Jack London State Park Comment
  SEINET12147997  Trifolium ciliolatum Unknown 1936-1 13104 Sonoma near Healdsburg Comment
  SEINET7042676  Trifolium ciliolatum A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  SEINET12166389  Trifolium depauperatum H. K. Wagnon 1989-1 1851 Sonoma Spring Lake Park and environs. Adjacent to MOntgomery Drive 67 Comment
  POM68425  Trifolium dichotomum Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  CDA36841  Trifolium dubium 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
  POM89154  Trifolium fucatum F. W. Peirson 1926-4-1 6551 Sonoma 6 miles south of Cloverdale. Comment
  SEINET12147992  Trifolium fucatum Unknown 1936-1 13370 Sonoma Near Healdsburg Comment
  UCD150142  Trifolium gracilentum 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
  UCR152106  Trifolium grayi Beecher Crampton 1955-4-5 2407 Sonoma 2 mi west of Futlon, along Woolsey Road 35 Comment
  RSA633344  Trifolium incarnatum Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-7 8170 Sonoma Cloverdale. Along S. Cloverdale Blvd., just off Rt. 101 exit. Comment
  CAS-BOT-BC368051  Trifolium microcephalum Greg de Nevers 1998-5-12 11248 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC424855  Trifolium obtusiflorum Milo S. Baker 1929-7-10 3520 a Sonoma just n Santa Rosa (ditch along hwy) Comment
  UCD109256  Trifolium oliganthum Botany 102 Students 1993-4-24 98 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Hillside Trail. 396 Comment
  UCD164681  Trifolium repens Peter Rubtzoff 1976-5-30 8555 Sonoma Kenwood Marsh. Comment
  UCD109323  Trifolium striatum Frederica Bowcutt 1996-5-21 2141 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. About 1 air mile S of Red Mtn. in Adobe Canyon. 396 Comment
  CDA28059  Trifolium variegatum var. major Peter Rubtzoff 1969-5-3 6023 Sonoma Laguna de Santa Rosa east of Sebastopol. 0 Comment
  UC555362  Trifolium wormskioldii H. L. Mason 1930-6-1 5648 Sonoma mouth of Gualala River Comment
  SD40319  Trifolium wormskioldii Edith A. Purer 1932-7-24 4090 Sonoma Near Bridge Bay Comment
  CAS-BOT-BC520845  Trillium albidum Greg de Nevers 1993-3-28 10335 Sonoma Pepperwood Natural Preserve: 3450 Franz Valley Road, T9N, R8W, Sec. 35 and surrounding sections. ALong Mark West Creek and Leslie Road 304 Comment
  CAS-BOT-BC520841  Trillium albidum J. D. Freeman; R. F. Freeman 1967-5-6 574 Sonoma Steep moist bluff at confluence of two ravines on Skaggs Springs Rd. about 10 mi. W of its Jct. with Dry Ck. Rd.; W of Geyserville Comment
  CAS-BOT-BC521307  Trillium rivale Volney Rattan 1903-1-1 1877 Sonoma Guerville Comment
  JEPS65947  Triphysaria eriantha subsp. eriantha Peter Rubtzoff 1971-6-5 6518 Sonoma on Bennett Valley Road 4.25 mi w Glen Ellen Comment
  UC1238006  Triphysaria eriantha subsp. eriantha John H. Weiler, D. Kaplan 1961-3-27 6165 Sonoma along state highway 12, 3.4 mi n Agua Caliente; n of Agua Caliente Comment
  JEPS87248  Triphysaria eriantha subsp. eriantha Jack and Betty Guggolz 1991-5-27 1152 Sonoma found between Hwy 1 and the ocean just s of the s end Myers Grade 182 Comment
  SEINET6987684  Triphysaria eriantha subsp. eriantha Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Weedy flat next to maritime grassland; cove at Bodega Head. Comment
  UCSB23011  Triphysaria eriantha subsp. eriantha McCarthy, Sharon 1965-4-17 Sonoma Corner of 5th Street and MacArthur Street, Sonoma 25 Comment
  JEPS11168  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1921-5-6 9186 Sonoma just w of summit of road from Calistoga to Petrified Forest along Porter Creek; along Porter Creek 365 Comment
  UC27194  Triphysaria versicolor subsp. faucibarbata Harley P. Chandler 1900-5-25 675 Sonoma Bodega Comment
  CAS-BOT-BC200096  Trisetum canescens John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54693 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC200099  Trisetum canescens G. DeNevers 1981-5-30 1393 Sonoma E slope of Horse Hill Comment
  UC3278  Triteleia hyacinthina Michener and Bioletti May 1893 Sonoma Kenwood Comment
  CAS-BOT-BC522363  Triteleia hyacinthina Peter Rubtzoff 1969-5-24 6057 Sonoma Vernal pool area 6.5 miles northeast of Penngrove, on Lichan Road 426 Comment
  CAS-BOT-BC522364  Triteleia hyacinthina Peter Rubtzoff 1951-6-9 167 Sonoma Lower part of the Upper Marsh; Pitkin Marsh, near Forestville Comment
  JEPS27969  Triteleia laxa Rimo Bacigalupi, and L. Heckard 1961-6-9 7739 Sonoma 1.75 mi sw Occidental (at the junction of Joy Road and Bittner Road) 249 Comment
  UC72474  Triteleia laxa Milo S. Baker 1904-6-19 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC527031  Triteleia laxa Peter Rubtzoff; Nancy Harrison 1974-7-13 7674 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC527035  Triteleia laxa Dorothy Scherer 1997-5-6 125 Sonoma Along path heading north off Fort Ross Road, ca. .6 mile west of Seaview Road, Fort Ross State Historic Park 365 Comment
  RSA378042B  Triteleia laxa Christopher Davidson 1977-6-20 6007 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  SEINET7042391  Triteleia laxa A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  SD134045  Triteleia tubergenii Peter Rubtzoff, Rimo Bacigalupi 1971-6-10 6526 Sonoma Grassy flat on south side of West Railroad Avenue, between Freeway 101 and Stony Point Road. Comment
  POM21294  Ulex europaeus A. A. Heller, H. E. Brown 1902-3-22 7308 Sonoma Among Redwood Trees W of Sebastopol Comment
  CAS-BOT-BC540808  Ulmus Peter Rubtzoff 1974-8-31 7855 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC91283  Umbellularia californica Walter Knight; Irja Knight 1964-11-15 774 Sonoma Hood's Peak at Johnson Lake. Comment
  CAS-BOT-BC91289  Umbellularia californica R. F. Hoover 1968-2-23 10894 Sonoma Graton-Occidental road. Comment
  CAS-BOT-BC91285  Umbellularia californica F. G. Krauss 1893-10-5 s.n. Sonoma Five miles west of Calistoga. Comment
  SEINET5339110  Umbellularia californica L. Fallon 1939-1-2 s.n. Sonoma 15 miles west of Santa Rosa. Comment
  CAS-BOT-BC382822  Uropappus lindleyi D. E. Breedlove 1983-5-4 58699 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC1010428  Urtica dioica subsp. gracilis Leo Koch 1940-4-16 9544 Sonoma Highway between Salmon Creek and Wright's Beach Comment
  CAS-BOT-BC404243  Urtica dioica subsp. holosericea Peter Rubtzoff 1962-9-30 5098 Sonoma Vacation Beach, 2 mi. below Guerneville Comment
  CAS-BOT-BC404244  Urtica dioica subsp. holosericea Peter Rubtzoff 1965-9-5 5633 Sonoma Forest Hills (5.5 miles east of Guerneville) Comment
  RSA155531  Urtica dioica subsp. holosericea L. S. Rose 1960-9-14 60095 Sonoma Laguna de Santa Rosa, 4 mi E of Graton. 15 Comment
  UC877173  Vaccinium cespitosum Milo S. Baker 1940-1 9670 Sonoma Gravenstein Highway Perrys Marsh Comment
  UC22205  Vaccinium ovatum J. Burtt Davy 1896-3-13 1647 Sonoma Duncan's Mills Comment
  UCD36699  Vaccinium ovatum Beecher Crampton 1955-6-17 2980 Sonoma Sonoma County, 0.5 mile north of Camp Meeker, on road to Monte Rio. Comment
  RSA135359  Vancouveria planipetala Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  UCR23387  Vancouveria planipetala John C. Roos 1957-7-2 6647 Sonoma Miller Ridge Comment
  JEPS62208  Veratrum fimbriatum Alice Griffin 1924-9-1 Sonoma Stewart's Point, nw Sonoma County Stewart's Point Comment
  UCD148315  Verbascum virgatum Peter Rubtzoff 1952-6-15 1261 Sonoma Fitch Mountain Grove Resort, near Healdsburg, along Russian River. Comment
  RSA0051267  Verbena Greg de Nevers 1992-7-25 10227 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 152 Comment
  UCD167954  Verbena lasiostachys James Neilson 1981-7-16 4057 Sonoma Mayacmas Mountains. Big Sulphur Cr. 100 yards below bridge of Cloverdale-Geysers Rd. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC166927  Veronica Peter Rubtzoff 1969-6-14 6082 Sonoma Vernal pool 6.5 mi. northeast of Penngrove on Lichau Road. 426 Comment
  CAS-BOT-BC262797  Veronica Peter Rubtzoff 1972-5-25 6752 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC269309  Veronica Peter Rubtzoff 1971-5-8 6447 Sonoma Pitkin Marsh, near Forestville. Western border of the marsh near end of Templeman Road. Comment
  CAS-BOT-BC269311  Veronica Peter Rubtzoff 1971-5-8 6429 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC166672  Veronica americana Peter Rubtzoff 1954-6-6 1460 Sonoma Guerneville Marsh. Comment
  RSA169299  Veronica americana L. S. Rose 1964-6-3 64050 Sonoma N end of Bodega Bay. 2 Comment
  CAS-BOT-BC368091  Veronica peregrina Greg de Nevers 1998-5-5 11225 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  UCR279868  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1969-5-11 6037 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  RSA0021066  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1969-5-11 6037 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road. Comment
  UCD148393  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1958-4-26 3594 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UC1101486  Veronica scutellata Malcolm A. Nobs, S. Galen Smith 1949-8-1 1107 Sonoma 2 mi e of Stewart's Point (on road to Geyserville) Comment
  UCD166064  Veronica serpyllifolia Peter Rubtzoff 1971-5-8 6447 Sonoma Pitkin Marsh, near Forestville. Western border of the marsh near end of Templeman Road. Comment
  UCD165332  Vicia Peter Rubtzoff 1973-8-27 7265 Sonoma Upper Green Valley Marsh area. Comment
  UC764641  Vicia gigantea R. F. Hoover 1941-5-14 5098 Sonoma sw of Occidental (near Joy District School) Comment
  JEPS86772  Vicia lathyroides Jack and Betty Guggolz 1990-6-11 1062 Sonoma about 11 km e Healdsburg (on the Ferrari-Carano Ranch) 228 Comment
  RSA0062828  Vicia lutea Greg de Nevers 1994-5-21 10524 Sonoma Pepperwood Ranch, 3450 Fraz Valley Rd., Santa Rosa. Between Mountain House and Al Cueno's. 100 Comment
  UCR198231  Vicia villosa Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .274 Sonoma Cavesdale Road 518 Comment
  CHSC63932  Viola adunca John Hale 1990-4-12 23 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
  UC1763357  Viola adunca Milo S. Baker 1898-4-4 5507 Sonoma near Sea View Comment
  CAS-BOT-BC536903  Viola glabella Rimo Bacigalupi 1921-7-1 s.n. Sonoma Woods at Monte Rio Comment
  CAS-BOT-BC536904  Viola glabella Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  SEINET11996124  Viola sempervirens F. H. Utech 1988-1 88 -009 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  CAS-BOT-BC135292  Viscum album Stanley Rose 1966-3-13 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  OBI65600  Viscum album C. W. Nichols & W. O. McCartney, W. O. McCartney 1966-1-17 s.n. Sonoma Backyard of 1220 Gravenstein hwy N at Ill Station rd, 1 mi N of Sebastopol Comment
  RSA201205  Viscum album Stanley Rose 1966-5-8 s.n. Sonoma On apple trees about 1 mile from Sebastopole on Gravenstein Highway North (1090) Comment
  RSA262373  Viscum album Jesse Dubin 1971-3-4 s.n. Sonoma Near Sebastopol. Comment
  SEINET12230473  Viscum album H. K. Wagnon 1989-1 1850 Sonoma from a broken-off plant at the base of a large tree, Luther Burbank Farm, Sbastopol Comment
  UC552472  Vitis californica Professor J. T. Barrett 1936-6-19 Sonoma above Guerneville; Russian River Comment
  CAS-BOT-BC199897  Vulpia bromoides Catherine Best 1980-4-29 s.n. Sonoma Westerbecks [Westerbeke] Ranch near El Verano Comment
  CAS-BOT-BC199903  Vulpia bromoides G. DeNevers 1981-5-11 1123 Sonoma At the Red Corral, The old McCann Homestead Comment
  UC1024737  Vulpia bromoides Leo Whitney 3043 a Sonoma Molino Comment
  CAS-BOT-BC199904  Vulpia bromoides G. DeNevers 1981-6-8 1505 Sonoma In Pippindale Garden Comment
  RSA0065161  Vulpia microstachys Greg de Nevers 1997-4-24 10963 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  UCD93947  Vulpia microstachys var. confusa L. Koch 1940-4-22 839 Sonoma Sulphur Creek Geysers. Comment
  CAS-BOT-BC184133  Vulpia microstachys var. microstachys G. DeNevers 1981-6-18 1578 Sonoma W arm of Garrison Canyon Comment
  CAS-BOT-BC184134  Vulpia microstachys var. microstachys G. DeNevers 1981-5-15 1195 B Sonoma N slope of hill above Hansel's Lake Comment
  CAS-BOT-BC184595  Vulpia microstachys var. pauciflora Leo Koch 1939-4-16 585 Sonoma Ca. 7 mi. from Petaluma to Marshalls Comment
  UC971689  Vulpia microstachys var. pauciflora Leo Koch 1940-4-22 838 a Sonoma Geysers; Sulphur Creek Canyon Comment
  UCD117293  Whipplea modesta J. M. Tucker 1951-6-26 2145 Sonoma Near Top of the World Ranch, ca. 5 miles due east of Glen Ellen. Comment
  UCD38486  Whipplea modesta Beecher Crampton 1955-6-17 2930 Sonoma 1.6 miles west of Forestville. Comment
  RSA784486  Woodwardia Peter Rubtzoff 1971-9-3 6700 Sonoma Southeastern border of Spring Creek Reservoir area. Comment
  CAS-BOT-BC73625  Woodwardia fimbriata Walter Knight; Irja Knight 1964-11-15 777 Sonoma Hood's Peak near Johnson Lake Comment
  UCD151244  Woodwardia fimbriata James A. Neilson Jr. 1974-4-16 3026 Sonoma Mayacmas Mountains, upper reaches of Squaw Creek. (Elevation estimated using Google Earth by label maker.)