Search Results — 2000 specimen records retrieved (1241 records with coordinates)
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 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
  UCD109786  Abronia latifolia Eric S. Nagy 1990-5-18 s.n. Sonoma Bodega Head, first dune ridge W of harbor along road, E of marine lab dorms, Bodega Bay. Comment
  RSA0025771  Abronia latifolia E. A. Purer 1932-7-21 s.n. Sonoma Bodega Bay. Comment
  SEINET946043  Abronia latifolia Leo A. Galloway 1968-1 598 Sonoma Doran County Park. Comment
  CAS-BOT-BC177030  Acacia dealbata Catherine Best 1982-10-14 s.n. Sonoma On Trinity Road about 6 miles north-west of Sonoma Comment
  UC14111  Acaena pinnatifida var. californica Harley P. Chandler 1900-5-25 665 Sonoma Bodega Comment
  UCD136861  Acaena pinnatifida var. californica Javier Jauregui L.; Dan Potter 2013-6-28 1 Sonoma Santa Rosa. 7806 Bennett Valley Road. 210 Comment
  UC18123  Acer macrophyllum W. H. Brewer 1862-4-18 960 Sonoma near Sonoma; near Sonoma Comment
  CHSC10154  Acer negundo var. californicum Martha Meagher 1947-3-22 99 Sonoma County road one-half mile west of Freezeout Creek, across Russian River from Duncan's Mills. Roadside near river bed. Comment
  JEPS79727  Achillea millefolium Edward Lee with W. A. Setchell 1936-6-7 2192 Sonoma Bohemian Grove 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-BC166735  Achyrachaena mollis Peter Rubtzoff; H. A. Froebe 1971-5-30 6478 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  POM55004  Achyrachaena mollis A. A. Heller, H. E. Brown 1902-4-16 s.n. Sonoma Fields east of Santa Rosa Comment
  UCD104330  Acmispon parviflorus Helen K. Sharsmith 1963-5-25 5475 Sonoma Road from Freestone to Occidental. 121 Comment
  UCD104370  Acmispon strigosus P. G. Connors 1991-6-10 139 Sonoma Bodega Head and Dunes. BMR. Comment
  CAS-BOT-BC391711  Actaea rubra Mary P. Wells 1981-4-18 s.n. Sonoma Near So. Fork Gualala River, The Sea Ranch Comment
  CAS-BOT-BC30278  Adenocaulon bicolor Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road, 3 miles east of Stewarts Point Comment
  CAS-BOT-BC29844  Adenocaulon bicolor J. W. Congdon 1880-7-4 s.n. Sonoma unspecified Comment
  SEINET11908934  Adenostoma fasciculatum W. Knight, Knight, I. 1981-1 3964 Sonoma 2.3 mi up Cavedale Road from jct of State Rt 12 Comment
  JEPS128359  Adiantum jordanii Roger Raiche 2000-3-11 003 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1193407  Adiantum jordanii P. Zinke 1950-4-25 113 Sonoma Oat Valley; Quadrangle 61A4 182 Comment
  HSC939  Adiantum jordanii H. E. Parks, S. T. Parks 1930-5-9 623 Sonoma Alexander Valley Comment
  CAS-BOT-BC121  Agastache urticifolia var. glaucifolia Amos Arthur Heller 1902-6-28 5792 Sonoma Between Knight's Valley and Mark West Springs Comment
  CAS-BOT-BC210122  Agoseris Peter Rubtzoff 1971-5-30 6479 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CHSC8156  Agoseris apargioides M. Banning 1969-5-10 116 Sonoma 2 mi N. Bodega Bay on Hwy 1, roadside. 30 Comment
  CAS-BOT-BC22788  Agoseris heterophylla G. DeNevers 1981-4-25 829 Sonoma Pepperwood Ranch, lower Pepperwood entrance Comment
  SEINET3141171  Agoseris hirsuta L. S. Rose 1940-5-22 40367 Sonoma Sonoma 61 Comment
  UCD161266  Agoseris retrorsa James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3710 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC176392  Agrostis Peter Rubtzoff 1967-8-22 5854 Sonoma SE of Lower Salmon Creek Marsh Comment
  CAS-BOT-BC210011  Agrostis Peter Rubtzoff 1968-7-13 5918 Sonoma Upper Salmon Creek Marsh Comment
  RSA785904  Agrostis Peter Rubtzoff 1967-8-22 5854 Sonoma SE of Lower Salmon Creek Marsh Comment
  RSA785905  Agrostis Peter Rubtzoff 1967-8-22 5855 Sonoma SE of Lower Salmon Creek Marsh Comment
  RSA785930  Agrostis Peter Rubtzoff 1968-7-13 5918 Sonoma Upper Salmon Creek Marsh. Comment
  UCD165330  Agrostis Peter Rubtzoff 1973-8-27 7263 Sonoma Upper Green Valley Marsh. Comment
  SEINET10717806  Agrostis P. Rubtzoff 1968-6-19 Rubtzoff 5889 Sonoma Forest Hills (5.5 miles E of Guerneville). Russian River bank. Comment
  UCD55663  Agrostis Beecher Crampton Date Unknown Sonoma Barker Hill. Comment
  UCD51829  Agrostis blasdalei Mary M. Hektner 1975-6-2 195 Sonoma east of Walk-on-Beach, Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC126972  Agrostis exarata G. DeNevers 1981-5-23 1288 Sonoma Pepperwood Ranch. Lower Pepperwood entrance. BLM. Comment
  CAS-BOT-BC126974  Agrostis exarata Peter Rubtzoff 1951-8-18 622 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  UCD52071  Agrostis exarata R. Tofsrud 1941-5-1 136 Sonoma Sonoma County, California. Comment
  UCD53512  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCD52239  Agrostis exarata var. pacifica Beecher Crampton 1955-7-15 2915 Sonoma 6 miles west of Forest Hill. Comment
  CAS-BOT-BC139554  Agrostis gigantea Peter Rubtzoff 1951-7-1 335 Sonoma Pitkin Marsh near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC139556  Agrostis gigantea Peter Rubtzoff 1951-7-21 514 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower Marshes. Comment
  CAS-BOT-BC139550  Agrostis gigantea David L. Morgan 1955-7-18 s.n. Sonoma 5th Street, Petaluma. Comment
  UC1146695  Agrostis hallii Freed W. Hoffman 1941-6-20 2093 Sonoma near Camp Meeker (Oregon Canyon); North Coast Ranges, Oregon Canyon Comment
  UCD36302  Agrostis hallii Beecher Crampton 1953-5-19 1298 Sonoma Sonoma County, 5 miles west of Calistoga, on Highway 128, at Napa Coutny line. Comment
  UCD52554  Agrostis hallii var. pringlei P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified forest road. Comment
  UCD53052  Agrostis microphylla Beecher Crampton 1966-5-10 7727 Sonoma 6.5 miles north of Sonoma State Hwy. 12, Glen Ellen Station. California Division of Forestry. Comment
  SD56669  Agrostis stolonifera Darley F. Howe 1963-7-3 3586 Sonoma 20 miles north of junction with #12 on #1. Comment
  UCD53495  Agrostis stolonifera P. B. Kennedy 1917-8-27 s.n. Sonoma Del Mar. Comment
  UCD53519  Agrostis stolonifera P. B. Kennedy 1917-8-27 s.n. Sonoma Del Mar. Comment
  UCD53528  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Sonoma County coast: 5 miles south of Steward Point. Comment
  UCD53596  Agrostis stolonifera Peter Rubtzoff 1951-7-21 508 Sonoma Between the Upper and the Lower marshes, near Forestville. Comment
  CDA20550  Agrostis viridis A. McVicker 2005-6-6 PDR 1349309 Sonoma Winkler Water Gardens at 1925 Fulton Road, Santa Rosa. 0 Comment
  UCD55780  Aira caryophyllea Chris Bowen 1976-5-18 126 Sonoma Unit 24 Owners' Map. Sea Ranch. Near State Highway 1. Comment
  UCD55791  Aira caryophyllea var. capillaris R. Tofsrud 1941-5-1 151 Sonoma Kenwood. Comment
  CAS-BOT-BC138212  Aira caryophyllea var. caryophyllea John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC138214  Aira caryophyllea var. caryophyllea John H. Thomas 1966-5-8 11604 Sonoma 1.4 miles west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. Comment
  CAS-BOT-BC257361  Alisma Peter Rubtzoff 1977-8-12 9114 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCR279634  Alisma lanceolatum Peter Rubtzoff 1968-8-31 5953 Sonoma Russian River bottom at Forest Hills, 5.5 mi east of Guerneville 13 Comment
  CAS-BOT-BC445338  Alisma lanceolatum Peter Rubtzoff 1955-7-16 1959 Sonoma Bennett Mtn. Lake. Comment
  RSA201189B  Alisma lanceolatum Peter Rubtzoff 1958-7-20 3783 Sonoma Laguna de Santa Rosa, NE of Graton (near Guerneville Road). Comment
  CAS-BOT-BC445477  Alisma triviale Walter Knight; Irja Knight 1965-9-12 1187 Sonoma Newanga Road, Santa Rosa. Comment
  RSA353530  Alisma triviale Christopher Davidson 1977-6-17 5881 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  CAS-BOT-BC462393  Allium amplectens G. DeNevers 1981-6-18 1575 Sonoma Along the Studio Road near the Green Gate. Pepperwood Ranch Comment
  POM180615  Allium dichlamydeum J. T. Howell 1930-6-8 5282 Sonoma 8.5 miles north of Bodega Bay. Comment
  CAS-BOT-BC469103  Allium dichlamydeum David D. Keck; J. Clausen 1935-6-15 3366 Sonoma 1 mile north of Salmon Creek Comment
  UCSB50251  Allium dichlamydeum Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach, T6N R11W 15 Comment
  CAS-BOT-BC474313  Allium unifolium Greg de Nevers 1992-4-29 10127 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In streambed above Rogers 475 Comment
  SEINET11998402  Allotropa virgata Unknown 1986-1 60135 Sonoma W of Healdsburg, Palmer Creek drainage (tributary of Mill Creek) 366 Comment
  CAS-BOT-BC169362  Alnus rubra Peter Rubtzoff 1962-7-14 4998 Sonoma Lower Salmon Creek Marsh, along streamlet Comment
  CAS-BOT-BC169364  Alnus rubra Peter Rubtzoff 1959-9-12 4261 Sonoma Willows Creek Marsh, growing along Willow Creek Comment
  CAS-BOT-BC303  Alopecurus aequalis Peter Rubtzoff 1955-5-7 1821 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC138042  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1957-5-11 3332 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC138044  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1951-6-10 200 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower marshes. Comment
  CAS-BOT-BC138058  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1955-5-14 1835 Sonoma Ross Marsh. Comment
  UCD55875  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1955-5-14 1835 Sonoma Ross Marsh. Comment
  CAS-BOT-BC137905  Alopecurus saccatus Peter Rubtzoff 1968-6-20 5894 Sonoma 6.5 miles northeast of Penngrove on Lichan Road. 426 Comment
  JEPS45802  Alopecurus saccatus Eleanor Armstrong 1932-6-4 186 Sonoma 5 mi. w. Graton (<Schlackey> Flat) 30 Comment
  UCD150834  Alopecurus saccatus 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
  UCD55951  Alopecurus saccatus Beecher Crampton 1966-5-10 7726 Sonoma 6.5 miles north of Sonoma, State Hwy. 12, Glen Ellen Station, California Div. of Forestry. Comment
  RSA800608  Amaranthus Peter Rubtzoff 1973-8-29 7284 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC540805  Amaranthus Peter Rubtzoff 1973-10-10 7345 Sonoma American Creek area, 2 miles west of Bloomfield. Comment
  CAS-BOT-BC540844  Amaranthus Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7843 Sonoma Kenwood Marsh Comment
  CDA37330  Amaranthus albus D. G. Kelch, Troy McGregor 2010-8-22 10 .335 Sonoma Geyser Peak Rd. Comment
  RSA234553  Amaranthus retroflexus Peter Rubtzoff 1971-8-31 6665 Sonoma Todd Road near Stony Point Road Comment
  CAS-BOT-BC44966  Ambrosia chamissonis Rimo Bacigalupi 1928-6-18 1899 Sonoma Mouth of Salmon Creek, 2 miles north of Bodega Bay Comment
  POM161247  Ambrosia chamissonis var. chamissonis Rimo Bacigalupi 1928-6-18 1899 Sonoma Beach at mouth of Salmon Creek, 2 miles N of Bodega Bay. Comment
  CAS-BOT-BC135667  Amelanchier utahensis A. A. Heller 1903-4-24 6617 Sonoma Woods near Cazadero Comment
  UCR279886  Ammannia robusta Peter Rubtzoff 1972-8-26 6860 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC177231  Amorpha californica var. napensis Brandegee 1893-7-1 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC222280  Amsinckia John Thomas Howell 1934-3-26 11788 Sonoma Southwestern base of Mt. Hood Comment
  CAS-BOT-BC222286  Amsinckia Alice Eastwood; John Thomas Howell 1934-4-10 1298 Sonoma Cloverdale Grade Comment
  UC725447  Amsinckia lunaris A. A. Heller 1940-4-22 15550 Sonoma e of Santa Rosa (along State Hwy 12) Comment
Read comments
Nov 9 2006
  CAS-BOT-BC26809  Amsinckia nigricans Amos Arthur Heller 1902-5-27 5614 Sonoma Bodega Bay Comment
  SD60233  Amsinckia spectabilis Roxana S. Ferris 1932-5-27 8257 Sonoma Bodega Bay, Comment
  UC1084546  Amsinckia spectabilis Peter Kamb 1952-5-30 2300 Sonoma n of Bodega Head (dunes between Bodega Harbor and the ocean) 6 Comment
  RSA0091285  Amsinckia spectabilis Peter Kamb, Ray 1952-5-30 2298 Sonoma Hill 108 between Horseshoe Cove and Mussel Point, north end of Bodega Head. 30 Comment
  UCD117554  Anagallis arvensis C. Wistrom 1996-4-6 20 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  UCD144664  Anagallis arvensis Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 69 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road. 259 Comment
  UCD15058  Anagallis arvensis James Aronson 1977-4-15 19 Sonoma California, Sonoma Co.; 10.4 miles west of intersection with Dutcher Creek Road along Skaggs Springs Road; Comment
  UCD159444  Anaphalis margaritacea D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 201 Sonoma Near Sonoma state beach hiking trail. Abundant. 40 Comment
  POM188278  Andropogon glomeratus Marcus E. Jones 1931-7-5 92909 Sonoma The Geysers. Comment
  CAS-BOT-BC221429  Angelica hendersonii John Thomas Howell 1930-7-27 5408 Sonoma 1 mile north of Fort Ross Comment
  CAS-BOT-BC221437  Angelica hendersonii L. R. Abrams 1920-7-3 7583 Sonoma Near Anchor Bay Comment
  UCD127228  Angelica hendersonii Mary M. Hektner; Cathy Hendel 1974-7-25 175 Sonoma Shell Beach; Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD126249  Angelica tomentosa Frederica Bowcutt 1997-7-20 2204 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood, 1 air mile S of Red Mountain. Edge of service roade just SW of group campground. Adobe Canyon near trailhead to Meadows Trail. 396 Comment
  UCD128895  Anisocarpus madioides Gerry North 1993-4 48 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. On Bald Mountain trail 0.5 mile above fork of Bald Mountain and Meadow trails. 457 Comment
  RSA259578  Anthemis fuscata Thomas W. Nelson, James Nelson 1975-3-25 1751 Sonoma Asti, Growing as a weed in cultivated areas, vinyards Comment
  JEPS71147  Anthoxanthum aristatum Eleanor Armstrong 1932-6-9 191 Sonoma near Camp Meeker 121 Comment
  UCD85341  Anthoxanthum occidentale Roxana S. Ferris; Laura Lorraine 1961-6-14 13538 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway. Comment
  UCD85350  Anthoxanthum occidentale M. S. Baker; Virginia Bufford 1936-4-1 245 Sonoma Junction Hwy 1 and road up Gualala. Comment
  CAS-BOT-BC137689  Anthoxanthum odoratum Peter Rubtzoff 1955-5-14 1849 Sonoma Duncans Mills Marsh. Around the eastern border of the Marsh. Comment
  CAS-BOT-BC137691  Anthoxanthum odoratum Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 3 miles east of Stewarts Point. Comment
  UCD56169  Anthoxanthum odoratum Beecher Crampton 1955-6-17 2940 Sonoma 1/2 mile north of Guerneville, along Fife Creek. Comment
  UCD56259  Anthoxanthum odoratum Leo Koch 1940-4-22 841 Sonoma North Bay Counties, along Highway 101, north of Windsor. Comment
  UCR44914  Antirrhinum vexillocalyculatum L. F. LaPre 1986-6-5 s.n. Sonoma Dorr Place, 4 mi up a private road from Mannings Flats in Austin Creek State Recreation Area, 6 mi north of Cazadero on upper Austin Creek 207 Comment
  CHSC42269  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 329 Sonoma Healdsburg. On E side of Fitch Mt., just S of resort area on E. side. 45 Comment
  JEPS127941  Aphyllon californicum subsp. californicum Adam C. Schneider with Will Freyman and Songyi Xu 2016-6-27 945 Sonoma Sea Ranch Lodge, west side of CA Hwy 1. North side of Bihler Point on sea bluffs. Comment
  UC353924  Apiastrum angustifolium Milo S. Baker 1928-3-24 2725 b Sonoma 5 mi w of Healdsburg (Jensen Ranch); Jensen Ranch Comment
  UC22905  Apocynum androsaemifolium F. T. Bioletti 1892-7-5 Sonoma s. Los Guilucos Comment
  CAS-BOT-BC395018  Aquilegia formosa Ella Dales Cantelow 1939-4-10 2601 Sonoma 2.3 mi s. of Stewarts Point Comment
  SEINET12093899  Aquilegia formosa F. H. Utech 1988-1 88 -225 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1 100 Comment
  CHSC63901  Arabis blepharophylla John Hale 1990-4-13 24 Sonoma 610 m E. of Austin Creek. 210 Comment
  RSA102086  Arbutus menziesii John H. Redfield 1872-8-28 213 Sonoma Geyser Valley Comment
  SEINET11987357  Arbutus menziesii W. Knight, Knight, I. 1981-1 3982 Sonoma 5.2 mi up Cavedale Rd from jct of State Rt #12 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
  RSA629207  Arctostaphylos Jon E. Keeley 1993-9-11 24793 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629226  Arctostaphylos Jon E. Keeley 1993-9-11 24796 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388321  Arctostaphylos Freed W. Hoffman 1947-8-9 1430 Sonoma 7 mi nw Cazadero (Hoffman Trail to Devil's Ribs); North Coast Ranges Comment
  UC526220  Arctostaphylos John Thomas Howell 1931-3-14 5773 Sonoma Vine Hill District Comment
  UC535018  Arctostaphylos H. F. Copeland 1933-3-18 A 13 Sonoma on College Ave. Hwy near Santa Rosa; Vine Hill region Comment
  CAS-BOT-BC24077  Arctostaphylos bakeri Roger Raiche 1983-9-20 30723 Sonoma Graton Road near intersection with Tanuda road (east of Occidental) Comment
  CAS-BOT-BC24088  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10953 Sonoma 2 miles east of Occidental Comment
  CAS-BOT-BC24124  Arctostaphylos bakeri Lewis S. Rose 1934-2-22 34032 Sonoma 2 mi. E of Occidental Comment
  CHSC67657  Arctostaphylos bakeri James D. Jokerst 1989-4-13 3094 Sonoma S side of Graton Rd. 1.2 mi E of junction with Fuscondini Rd., 2 mi E of Occidental, W of Santa Rosa. 121 Comment
  UC549710  Arctostaphylos bakeri J. E. Adams 1935-3-1 1026 Sonoma 2 mi e Occidental Comment
  UCD50404  Arctostaphylos bakeri A. E. Wieslander 1936-9-19 706 Sonoma 1 mile northwest of Occidental. 213 Comment
  UCD50405  Arctostaphylos bakeri Freed W. Hoffman 1948-4-1 2753 Sonoma Dutch Bill Creek near Camp Meeker. Comment
  POM222620  Arctostaphylos bakeri subsp. bakeri L. S. Rose 1934-2-22 34032 Sonoma 2 miles E of Occidental. Comment
  RSA622707  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24695 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  JEPS38622  Arctostaphylos canescens Willis L. Jepson 1894-7-19 14699 Sonoma Mt. St. Helena Napa River Basin Comment
  RSA622726  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24763 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388355  Arctostaphylos canescens subsp. canescens Freed W. Hoffman 1946-8-20 868 Sonoma at quarry North Coast Ranges, Napa Range (Trinity Road, w slope of range) Comment
  POM367247  Arctostaphylos canescens subsp. sonomensis L. S. Rose 1934-2-22 34030 Sonoma Rincon Ridge, 3 mi NE Santa Rosa Comment
  UC1120075  Arctostaphylos canescens subsp. sonomensis A. E. Wieslander 1939-3-18 877 Sonoma s edge Rincon hills; Santa Rosa Quadrangle Comment
  UC549709  Arctostaphylos canescens subsp. sonomensis J. E. Adams 1935-3-1 1024 Sonoma e Sta. Rosa; Rincon Ridge Comment
  UCD50536  Arctostaphylos canescens var. sonomensis Walter Knight; Irja Knight 1982-3-9 4497 Sonoma From Tilden Botanic Garden, Berkeley. Originally collected from Montecito Heights, Rincon Ridge, Santa Rosa. Comment
  UC549698  Arctostaphylos columbiana J. E. Adams 1935-3-28 730 Sonoma seven mi n Fort Ross Comment
  UC549702  Arctostaphylos columbiana J. E. Adams 1934-6-9 833 Sonoma coastal bluff s McNamees Store Comment
  CAS-BOT-BC24976  Arctostaphylos densiflora Walter Knight; Irja Knight 1980-12-23 3856 Sonoma In a ditch along Vine Hill Road across from McConnell's place. 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
  UC876398  Arctostaphylos densiflora Milo S. Baker 1933-3-18 7330 Sonoma near Vine Hill School House (10 mi w of Santa Rosa) Comment
  UCD166540  Arctostaphylos glandulosa Dylan O. Burge 2016-2-16 2041 Sonoma Gilfillian Vineyard, roadside on Cavedale Road. 400 Comment
  SEINET11998394  Arctostaphylos glandulosa f. cushingiana W. Knight, Knight, I. 1987-1 6080 Sonoma adjacent to Pepperwood Prserve in Devils Kitchen Comment
  CAS-BOT-BC23277  Arctostaphylos glandulosa subsp. cushingiana H. F. Copeland 1933-3-18 A 10 Sonoma Vine Hill region west of Santa Rosa. Comment
  CAS-BOT-BC23281  Arctostaphylos glandulosa subsp. cushingiana Walter Knight; Irja Knight 1963-9-1 261 Sonoma Pine Mt. Rd., NE Cloverdale, Harold Smith Ranch. Comment
  CAS-BOT-BC23288  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1933-4-2 10941 Sonoma Rincon Ridge near Santa Rosa Comment
  CAS-BOT-BC24678  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight 1963-12-27 472 Sonoma Summit Pine Flat Road. Comment
  JEPS18143  Arctostaphylos glandulosa subsp. glandulosa Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5665 Sonoma near Layton Chromite Mine (headwaters of creek); Big Austin Creek, vicinity of The Cedars 266 Comment
  UC424816  Arctostaphylos glandulosa subsp. glandulosa unknown 1930-3-1 3881 Sonoma along hwy. region by Frei Bros. Ranch Vine Hill Comment
Read comments
Jun 14 2011
  UC535029  Arctostaphylos glandulosa subsp. glandulosa H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Rd about 8 mi e Santa Rosa Comment
  RSA631190  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24727 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24406  Arctostaphylos manzanita Roger Raiche; Steve Edwards; Walter Knight; Irja Knight 1983-7-3 4753 Sonoma Populations samples from n. end of study area. The Cedars, near Cazadero. 274 Comment
  HSC83403  Arctostaphylos manzanita D. L. Koutnik, Mary Barbercheck 1981-6-18 Sonoma Austin Creek State Recreation Area, ca. 4 mi. N of Guerneville 488 Comment
  UCD51990  Arctostaphylos manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch; 10 miles west of Santa Rosa. Comment
  UCD52043  Arctostaphylos manzanita Daryl Koutnik; Mary Barbercheck 1981-6-18 s.n. Sonoma Austin Creek State Recreation Area about 4 miles north of Guerneville. 487 Comment
  UCD52232  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1067 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  UCD59184  Arctostaphylos manzanita Roger Raiche 1982-11-21 20862 Sonoma Above Gilliam Creek, East Austin Creek State Rec. Area. Comment
  OBI14641  Arctostaphylos manzanita Robert F. Hoover 1963-1-12 8548 Sonoma Triniti rd, Hoods Peak Range Comment
  RSA202114  Arctostaphylos manzanita Freed W. Hoffman 1948-04 2750 Sonoma Poole Ridge, near Guerneville. Comment
  RSA97559  Arctostaphylos manzanita L. S. Rose 1955-2-14 55000 Sonoma Forestville. 23 Comment
  SEINET11990956  Arctostaphylos manzanita Unknown 1983-1 30585 Sonoma N slope Morrison Ridge, Austin Creek Recreation Area, above Thompson Creek 274 Comment
  UCD52252  Arctostaphylos manzanita Freed W. Hoffman 1947-3-11 822 Sonoma Duvoul Creek, a branch of Dutch Bill Creek. Comment
  SEINET11993704  Arctostaphylos manzanita subsp. bakeri Unknown 1985-1 50899 Sonoma NE end of town of Healdsburg on Reservoir Hill 122 Comment
  CAS-BOT-BC38949  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7945 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38701  Arctostaphylos manzanita subsp. manzanita Lewis S. Rose 1955-2-28 55006 Sonoma Vine Hill, 9 mi. W. of Santa Rosa Comment
  CAS-BOT-BC38708  Arctostaphylos manzanita subsp. manzanita L. R. Abrams 1916-7-4 5781 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC38710  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 13 Sonoma Vine Hill region on College Avenue highway, near Santa Rosa Comment
  CAS-BOT-BC38716  Arctostaphylos manzanita subsp. manzanita Lewis S. Rose 1955-2-14 55000 Sonoma Forestville 22 Comment
  CAS-BOT-BC38724  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1928-4-18 2961 Sonoma Vine Hill Region Comment
  CAS-BOT-BC38745  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1929-2-22 3398 b Sonoma Near Vine Hill school house Comment
  JEPS38656  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1914-9-19 6192 Sonoma Agua Caliente 42 Comment
  UC1388362  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-2-28 766 Sonoma near Healdsburg (creek is a branch of Mill Creek); North Coast Ranges, Wild Hog Ridge, headwaters of Palmer Cre Comment
  UC535022  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 9 Sonoma residence of M. S. Baker Mt. Hood (w base of mt.) Comment
  UC549423  Arctostaphylos nummularia J. E. Adams 1934-6-9 832 Sonoma near McNamees Store Comment
  CAS-BOT-BC43876  Arctostaphylos stanfordiana Philip V. Wells 1990-12-16 121690 Sonoma Rincon Ridge: north of Montecito Avenue 213 Comment
  CAS-BOT-BC47301  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 11 Sonoma Spring Mountain Rd., about 8 mi. e. of Santa Rosa. Comment
  CAS-BOT-BC47331  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1963-9-1 259 Sonoma Pine Mt. Rd. NE of Cloverdale. Harold Smith Ranch. Comment
  CAS-BOT-BC47338  Arctostaphylos stanfordiana Roger Raiche 1982-4-10 20301 H Sonoma King Ridge Rd. (4.5 mi. from King Ridge Rd. on Old Layton Mine Rd.), about 0.7 mi. in from King Ridge Rd. on old Layton Comment
  CAS-BOT-BC47345  Arctostaphylos stanfordiana C. Hart Merriam 1925-7-8 s.n. Sonoma Coast Mountains near Kachia Rancheria about 5 mi. e of Stewarts Point. Comment
  RSA636811  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24753 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636823  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24744 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388313  Arctostaphylos stanfordiana Freed W. Hoffman 1947-3-12 752 Sonoma Trinity Rd ne Kenwood; North Coast Ranges, west slope of Napa Range Comment
  UC1784231  Arctostaphylos stanfordiana Ethel Crum 1930-3-23 540 Sonoma Mt. St. Helena Comment
  UCR279675  Arctostaphylos stanfordiana Ann Howald 2016-1-23 3554 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
  JEPS98847  Arctostaphylos stanfordiana subsp. decumbens unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  SBBG28448  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A 6 Sonoma Rincon Ridge, near Santa Rosa Comment
  SEINET12524556 Image available Arctostaphylos stanfordiana subsp. stanfordiana C. M. Belshaw 1936-1 1565 Sonoma Vine hill. Sebastopol quadrangle. T. 7N. R. 9W. Comment
  SDSU2845  Arctostaphylos viscida D. F. Howe 1972-2-20 4805 Sonoma Trinity Road, Mt. Mood Range. Note: Label states 5,800 feet altitude, beyond maximum for county, changed to 2,800 feet. 878 Comment
  SEINET11989191  Arctostaphylos viscida S. W. Edwards 1982-1 s.n. Sonoma The Cedars Ridge, N of Cazadero, NW of King Ridge Rd at source of Big Austin Creek Comment
  UCSB21056  Arctostaphylos viscida McMinn, Howard 1936-4-4 Sonoma 2 miles north of St. Helena Inn near bridge on highway Comment
  UC1193017  Arctostaphylos viscida subsp. pulchella P. Zinke 1949-6-14 62 Sonoma divide between Dry Creek and Smith Creek; Quad 61A3 457 Comment
  JEPS21819  Arctostaphylos viscida subsp. viscida Roy Ramberg 1958-4-5 Sonoma one-half mi from end of Alta Vista Road; Santa Rosa, Montecito 91 Comment
  UC1388344  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1949-6-4 3217 Sonoma summit of ridge between Pine Flat and Big Sulphur Creek; North Coast Ranges 914 Comment
  UC1388345  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-9-29 502 Sonoma headwaters of creek North Coast Ranges, Main Austin Creek, Layton Mine Comment
  RSA302214  Aristolochia californica Jim Shevock 1971-1-30 626 Sonoma Along Russian River Comment
  RSA534493  Aristolochia californica Peter Rubtzoff 1986-8-31 9735 Sonoma Off Summerhome Park Road 0.2 mile W of Forest HIlls Road. 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
  SJSU10837  Armeria maritima subsp. californica H. H. Van Brocklin 1955-4-3 Sonoma Shall Beach Comment
  UCSB50184  Armeria maritima subsp. californica Gray, John 1976-5-1 Sonoma On North Salmon Creek Beach near Highway 1; T 6N, R 11W 18 Comment
  CHSC1226  Armeria maritima var. californica A. Small 1954-6-4 Sonoma Doran Park. Comment
  SEINET7249680 Image available Armeria maritima var. californica Michelle Yeargan 1973-1 Y 080 Sonoma Bluff on coast, 1 mile south of Stewart's Point Comment
  RSA0065159  Arnica discoidea Greg de Nevers 1997-4-24 10956 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC368030  Arnica discoidea Greg de Nevers 1998-6-15 11285 Sonoma CYO Camp on Bohemian Highway. Comment
  UC573782  Arrhenatherum elatius H. S. Yates 1937-5-30 6557 Sonoma 1 1/2 mi n of Freeestone 91 Comment
  CAS-BOT-BC172579  Artemisia Peter Rubtzoff 1951-9-3 730 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC84959  Artemisia californica Alice Eastwood; John Thomas Howell 1937-5-31 4500 Sonoma 2 miles south of Fort Ross Comment
  UCD160130  Artemisia douglasiana James A. Neilson Jr. 1973-6-6 2946 a Sonoma Mayacmas Mountains. The Geysers. Site IV A. (Exact location of Site IV A unknown. Elevation and coordinates estimated to be near Site IV G by label maker.) 731 Comment
  RSA791570  Artemisia douglasiana Peter Rubtzoff 1973-8-31 7292 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC90862  Artemisia pycnocephala Alice Eastwood 1915-6-29 4801 Sonoma Bodega Point Comment
  CAS-BOT-BC146253  Arundo donax Mary P. Wells 1985-8-5 586 Sonoma Ducker Creek, Rincon Valley Santa Rosa. Comment
  CAS-BOT-BC400602  Asarum caudatum Peter Rubtzoff 1955-5-14 1850 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC400604  Asarum caudatum Peter Rubtzoff 1951-6-17 284 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  UCD160918  Asclepias fascicularis James A. Neilson Jr. 1975-7-8 3380 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  CAS-BOT-BC65836  Aspidotis californica John Thomas Howell 1943-4-18 17923 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC157676  Asteraceae Peter Rubtzoff 1969-5-11 6044 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  UCD168059  Astragalus breweri James Neilson 1977-4-24 3885 Sonoma crest of Mayacmas Mountains. (Exact location unknown. Neilson may have been on the south side of Pine Mountain on this date.) Comment
  RSA94288  Athyrium filix-femina subsp. cyclosorum Peter Rubtzoff 1952-5-31 1119 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66155  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma northern half of Lower Marsh; Pitkin Marsh near Forestville Comment
  UCD136300  Athyrium filix-femina var. cyclosorum Mary M. Hektner 1976-12-15 282 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD114253  Athysanus pusillus L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  UCD114231  Athysanus pusillus Frederica Bowcutt 1996-3-24 2085 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air mile SE of Red Mountain. Along Vista Trail just SW of Headwaters Trailhead. Comment
  UCR248352  Atriplex prostrata Peter Rubtzoff 1958-9-20 3996 Sonoma Laguna de Santa Rosa, northeast of Gratton (0.5 mi. north of Guerneville Road) 27 Comment
  UCR248507  Atriplex prostrata Peter Rubtzoff 1958-9-6 3988 Sonoma Laguna de Santa Rosa, east of Sebastopol 20 Comment
  UCSC000219  Atriplex prostrata E. L. Greene 1888-9-1 s.n. Sonoma Petaluma Comment
  UC7080  Atriplex triangularis Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  SEINET10882908  Avena P. Rubtzoff 1972-5-25 Rubtzoff 6766 Sonoma Laguna, Chileno Valley. 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
  CAS-BOT-BC145730  Avena sativa John Thomas Howell; Walter Knight; Irja Knight 1987-5-20 6238 Sonoma East Cotati Avenue, near Sonoma State University. Comment
  CAS-BOT-BC68340  Azolla filiculoides Peter Rubtzoff 1961-8-6 4673 Sonoma Americano Creek 1/2 mi. east of Valley Ford Comment
  RSA784562  Baccharis douglasii Peter Rubtzoff 1958-8-23 3918 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC99591  Baccharis pilularis Carl B. Wolf; E. R. Johnson 1934-10-13 6181 Sonoma 2 4/10 mi. no. of mouth of Russian River 60 Comment
  CAS-BOT-BC99598  Baccharis pilularis Walter Knight; Irja Knight 1963-8-23 188 Sonoma Joost Ranch, Calistoga Rd Comment
  SEINET8734646 Image available Baeria uliginosa Lewis S. Rose 1933-1 33156 Sonoma BODEGA BAY Comment
  CAS-BOT-BC16696  Barbarea orthoceras Dorothy Scherer 1996-3-25 018 Sonoma West of Highway 1 and south of Kolmer Gulch, Fort Rose State Historic Park. 12 Comment
  CAS-BOT-BC145841  Beckmannia syzigachne Peter Rubtzoff 1955-5-7 1817 Sonoma Ross Marsh. Comment
  JEPS45857  Beckmannia syzigachne Eleanor Armstrong 1932-5-16 156 Sonoma 8 mi w Santa Rosa (near Wright School, swamp) 30 Comment
  CAS-BOT-BC106394  Bellis perennis George Syme 1917-4-25 s.n. Sonoma Guerneville Comment
  CHSC8136  Bellis perennis K. Henegar 1969-5-10 99 Sonoma 200 yds S of Schooner Gulch on Highway 1. 3 1/2 m S of Point Arena. 67 Comment
  CAS-BOT-BC106392  Bellis perennis Mildred Parks 1925-7-20 s.n. Sonoma Stewart's Point Comment
  UC727762  Bidens frondosa Milo S. Baker 1946-8-17 11560 Sonoma at the crossing of the Occidental Road (The Laguna); The Laguna Comment
  UCR248930  Bidens frondosa Peter Rubtzoff 1973-9-4 7297 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  RSA0015634  Bidens frondosa Peter Rubtzoff 1958-9-20 3995 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mile north of Guerneville Rd.) Comment
  JEPS54478  Bidens laevis Rimo Bacigalupi 1967-8-30 9311 Sonoma in central part of upper Pitkin Marsh (just below (s of) confluence of two upper (n) arms, very close to) 45 Comment
  CAS-BOT-BC290562  Bidens laevis Peter Rubtzoff 1962-12-1 5130 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC290564  Bidens laevis Peter Rubtzoff 1967-8-30 5874 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh. Comment
  SEINET7249073  Bidens laevis Peter Rubtzoff 1962-1 5130 Sonoma Pitkin Marsh, near Forestville. Comment
  JEPS83486  Blennosperma bakeri Jack and Betty Guggolz 1986-3-18 857 Sonoma n side of Piner Road, 1 to 1.25 m w of Fulton Rd Comment
  SEINET3074489  Blennosperma bakeri M. S. Baker 1946-1 Sonoma Comment
  SEINET10826437  Blennosperma bakeri Milo S. Baker 1946-1 Sonoma Comment
  RSA41980  Blennosperma nanum Ella Dales Cantelow 1941-4-18 3590 Sonoma 2 miles north of Windsor. Comment
  CAS-BOT-BC154968  Boisduvalia Peter Rubtzoff 1970-8-19 6328 Sonoma Austin Creek beach, 3.5 miles S of Cazadero Comment
  CAS-BOT-BC154955  Boisduvalia Peter Rubtzoff 1971-6-30 6581 Sonoma Eastern foothills of Sonoma Mtns. On Sobre Vista Road, 0.9 mi. W of Arnold Drive Comment
  CAS-BOT-BC154971  Boisduvalia densiflora Peter Rubtzoff 1964-7-14 5404 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC154977  Boisduvalia glabella Peter Rubtzoff 1963-7-14 5202 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  CAS-BOT-BC28177  Bolboschoenus fluviatilis Peter Rubtzoff 1961-9-20 4758 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road crossing. Comment
  SJSU6088  Bolboschoenus fluviatilis C. W. Sharsmith 1972-6-24 7808 Sonoma Laguna de Santa Rosa, N of Sebastopol, E of Graton Comment
  CAS-BOT-BC31363  Bolboschoenus maritimus Gregory Clark de Nevers; S. Castagnoli 1981-8-2 1791 Sonoma On sand bar in Mark West Creek, at confluence with Leslie Creek. Comment
  UC874604  Bowlesia incana Koch 1939-4-23 588 Sonoma off Petaluma Hill Road (along Game Refuge Road in Refuge area); North Bay, Game Refuge Road Comment
  CAS-BOT-BC368070  Boykinia Greg de Nevers 1998-5-31 11268 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Mark West Creek below Michele Lane. 400 Comment
  UC964743  Boykinia occidentalis R. F. Hoover 1942-7-6 5914 Sonoma canyon s Geysers; canyon s of the Geysers Comment
  CDA1770  Brachypodium distachyon G. D. Barbe 1984-6-13 4172 Sonoma Willow Creek Road between Bridge Haven (Highway 1) and Coleman Valley Road, west of Occidental. 0 Comment
  RSA54043  Brachypodium distachyon J. T. Howell 1948-4-18 24214 Sonoma Hills east of Agua Caliente. Comment
  CAS-BOT-BC36619  Brassica nigra Dorothy Scherer 1996-4-19 032 Sonoma East of Highway 1 and south of Fort Ross Creek. Fort Rose State Histroric Park. 51 Comment
  CAS-BOT-BC100477  Brickellia californica Walter Knight; Irja Knight 1963-9-15 292 Sonoma Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC145477  Briza maxima Roxana S. Ferris 1961-6-14 13530 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega. Comment
  RSA32189  Briza maxima I. L. Wiggins, Roxana S. Ferris 1943-4-30 10165 Sonoma Roadside 1/2 mile south of Asti, Along Highway 101. Comment
  SBBG21223  Briza maxima B. Crampton 1954-4-26 Sonoma 2 mi N of Geyserville, US Hwy 101 Comment
  UCD57133  Briza maxima B. Crampton 1954-4-26 1792 Sonoma U. S. Hwy. 101. 2 miles north of Geyserville. Comment
  UCD57170  Briza maxima N. F. Sommer 1954-5-15 82 Sonoma Along State Highway 12. 3.1 miles north of Freestone. 30 Comment
  SEINET10861606  Briza maxima Jon Ricketson, Deanna Vanderbur 1985-7-3 Ricketson 2619 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
  SEINET3128635  Briza maxima M. A. King 1897-1 sn Sonoma Near Healdsburg Comment
  CAS-BOT-BC145279  Briza minor Michener; Bioletti 1893-6-1 s.n. Sonoma Kenwood. Comment
  POM204989  Briza minor Michiner, Bioletti 1893-06 s.n. Sonoma Kenwood Comment
  UC1130932  Briza minor H. S. Yates 1934-4-21 3824 Sonoma near Duncan's Mill; Duncans Mill Quadrangle Comment
  UC76949  Briza minor Michener and Bioletti June, 1893 Sonoma Kenwood Comment
  UCD57431  Briza minor Hursh 1919-5-12 X 3251 Sonoma Santa Rosa. Comment
  CAS-BOT-BC145301  Briza minor Saichi Kawahara 1968-4-20 307 Sonoma 100 yards south of Cannon Lane, off Lakeville Road. 3 Comment
  CAS-BOT-BC376235  Brodiaea californica subsp. leptandra Greg de Nevers 1992-6-26 10180 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CAS-BOT-BC132210  Brodiaea californica var. leptandra Milo S. Baker 1927-6-16 2213 a Sonoma Adobe [canon] Canyon app Bush's house Comment
  CAS-BOT-BC486533  Brodiaea elegans subsp. elegans Lewis S. Rose 1940-5-22 40363 Sonoma Sonoma 30 Comment
  JEPS5696  Brodiaea leptandra W. L. Jepson 1918-6-21 7621 Sonoma Calhoun Ranch Windsor 30 Comment
  UC463107  Brodiaea leptandra Milo S. Baker June 1925 2346 Sonoma canyon above Kenwood Springs Comment
  JEPS79160  Brodiaea terrestris subsp. terrestris N. Harrison 1978-5-10 1571 Sonoma e end Cunningham Marsh (Blucher Creek drainage); Sebastopol, , Blucher Creek 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-BC486463  Brodiaea terrestris subsp. terrestris A. A. Heller 1940-5-10 15602 Sonoma Near the ocean north of Fort Ross. Comment
  CHSC100547  Bromus carinatus Beecher Crampton 1955-6-8 2831 Sonoma At Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  CAS-BOT-BC149088  Bromus carinatus var. carinatus John H. Thomas 1976-6-16 18343 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC149090  Bromus carinatus var. carinatus Peter Rubtzoff 1953-5-18 1401 Sonoma South of Guernevile (Neeley Hill area). Comment
  CAS-BOT-BC149096  Bromus carinatus var. carinatus Lewis S. Rose 1962-4-18 62024 Sonoma 1 mile northwest of Freestone. 76 Comment
  CDA15741  Bromus carinatus var. carinatus G. F. Hrusa 1998-6-14 14593 Sonoma Knights Valley; Serpentine slopes on side of Ida Clayton Rd., ~1.5 mi. E of Hwy. 128, NW shoulder of Mt. St. Helena. Serpentine interfingering with volcanic substrate, this apparently on both. Common, bunching. 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
  UC574004  Bromus commutatus H. S. Yates 1937-6-6 6581 Sonoma 8 mi sw of Healdsburg 152 Comment
  UCD58480  Bromus commutatus Beecher Crampton 1959-6-16 5398 Sonoma 1 mile northeast of Freestone. Comment
  CAS-BOT-BC155658  Bromus diandrus G. DeNevers 1981-5-5 930 Sonoma Pepperwood Ranch. In Pippindale Garden. Comment
  CAS-BOT-BC155665  Bromus diandrus Peter Rubtzoff 1952-5-10 1021 Sonoma Pitkin Marsh near Forestville. Bordering the Upper Marsh in the east. Comment
  CAS-BOT-BC155211  Bromus hordeaceus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53969 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  UC1037113  Bromus hordeaceus Leo Whitney 1935-3-16 2264 Sonoma near Occidental (Orchard, Sutherland Ranch); Orchard, Sutherland Ranch Comment
  CAS-BOT-BC162393  Bromus laevipes David L. Morgan 1956-6-10 s.n. Sonoma On the Bennett Valley Road, in Crane Canyon, 1 mile east of the junction of the Petaluma-Hill Road. Comment
  UCD58924  Bromus laevipes B. Crampton 1955-6-8 2826 Sonoma 7 miles northwest of Calistoga. Along State Hwy. 128. Comment
  SEINET14440067  Bromus orcuttianus J. A. Churchill 1974-5-1 74 3022 Sonoma CAmp Meeker Comment
  CAS-BOT-BC161703  Bromus rubens A. A. Heller 1902-4-4 5216 Sonoma Hills near Santa Rosa. Comment
  UCD126494  Brugmansia sanguinea A. Greive 1941-8-3 s.n. Sonoma Stewart's Point on coast. Comment
  CAS-BOT-BC36909  Cakile maritima var. maritima Roxana S. Ferris 1937-8-18 9370 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC185127  Calamagrostis nutkaensis Peter Rubtzoff 1952-5-21 1058 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  JEPS97537  Calamagrostis nutkaensis R. D. Stone 1980-11-29 326 Sonoma Northern part of the Sea Ranch development; N of Stewart's Point Comment
  UC1146641  Calamagrostis ophitidis Freed W. Hoffman 1941-6-1 2188 Sonoma Oregon Canyon North Coast Ranges Comment
  CAS-BOT-BC438610  Calandrinia ciliata John H. Thomas 1976-6-15 18281 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC273238  Calendula arvensis Milo S. Baker 1946-4-2 11306 Sonoma Along overflow channel West of Sonoma Cr. a mile or so south of El Verano Comment
  SEINET11845325  Calendula arvensis W. Knight, Knight, I. 1990-1 6576 Sonoma 1.2 mi S of Warm Springs Rd (Kenwood) Comment
  UCR142045  Calendula officinalis Beecher Crampton 1970-3-12 8545 Sonoma Sonoma, 1st Street West, just south of RR depot 30 Comment
  CAS-BOT-BC293676  Callitriche heterophylla Peter Rubtzoff 1973-7-24 7202 Sonoma Upper Green Valley Marsh. Comment
  RSA90503  Callitriche heterophylla subsp. bolanderi Leo Koch 1939-5-15 630 Sonoma Hamilt(a)on Ranch. 1 mile from Old Adobe. East of Petaluma. Comment
  JEPS86779  Callitriche verna Jack and Betty Guggolz 1990-4-29 1042 Sonoma about 1 mi s Dutcher Creek Road junction with Highway 101 (Gallo property on w side of Dutcher Creek Road) 106 Comment
  JEPS78289  Calochortus amabilis Susan Smith, Jim Roof, and Barbara Deutach 1979-6-17 Sonoma about 8 mi w Calistoga (along Calistoga road) Comment
  SD6492  Calochortus amabilis Michener, Bioletti 1891-1 2122 a Sonoma Hood's Peak. Comment
Read comments
May 14 2010
  UC157875  Calochortus amabilis Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  UC672157  Calochortus amabilis Herbert L. Mason 1934-4-28 8068 Sonoma Jensen's Ranch Dohrman Creek Comment
  UC72483  Calochortus amabilis Milo S. Baker 1898-4-23 29 Sonoma Santa Rosa Creek Canyon Comment
  UCD160859  Calochortus amabilis James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3297 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC483276  Calochortus amabilis F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  RSA13439  Calochortus amabilis H. E. Parks, S. T. Parks 1930-5-9 605 Sonoma Alexander Valley. Comment
  SEINET6879027  Calochortus amabilis W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 7.8 miles south-southeast of Annapolis. Comment
  SEINET8194287  Calochortus amabilis W. Roderick 1967-5-20 s.n. Sonoma Ida Clayton Road, NW side of Mount St. Helena. 305 Comment
  UCD139529  Calochortus luteus Frederica Bowcutt 1994-6-12 1850 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Pony Gate Trail 75 yards N of Sonoma Creek. 411 Comment
  UCD139536  Calochortus luteus C. Wistrom 1996-5-26 24 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  CAS-BOT-BC492632  Calochortus luteus D. E. Breedlove 1980-6-28 44808 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC492634  Calochortus luteus A. Day 1982-6-1 82 -64 Sonoma Pepperwood Ranch Comment
  UCSB636  Calochortus pulchellus Keator, Glenn 1959-4-2 Sonoma 0.9 miles east on Cavedale road and 2.0 miles northeast of Agua Caliente Comment
  UCD161318  Calochortus superbus James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3716 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Coordinates estimated by label maker.) Comment
  UC3483  Calochortus uniflorus F. T. Bioletti Sonoma Comment
  UC672142  Calochortus uniflorus Herbert L. Mason 1928-4-13 4327 Sonoma near Petaluma Comment
  RSA369107  Calochortus vestae Christopher Davidson 1977-6-20 6005 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  UC762559  Calycadenia multiglandulosa R. F. Hoover 1938-6-14 3610 Sonoma 3 mi w, on road to Occidental Graton Comment
  UCD129722  Calycadenia multiglandulosa Gerald D. Carr 1971-7-7 577 Sonoma junction of Facienda Lane and Occidental Road. Comment
  UCD129813  Calycadenia pauciflora Gerald D. Carr 1971-8-17 640 Sonoma The Geysers. Comment
  CAS-BOT-BC272761  Calycadenia truncata subsp. truncata Greg de Nevers 1990-7-24 9681 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Devils Kitchen 457 Comment
  CAS-BOT-BC90992  Calycanthus occidentalis Peter Rubtzoff 1974-6-2 7529 Sonoma Upper Green Valley Marsh. Comment
  RSA271933  Calycanthus occidentalis Christopher Davidson 1977-6-17 5883 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  SD134014  Calycanthus occidentalis Peter Rubtzoff 1971-9-3 6698 Sonoma Springy area along southeastern border of Spring Creek Reservoir area. Comment
  SEINET10675438  Calycanthus occidentalis Melvin L. Conrad, Douglas G. LeDoux; David B. Dunn 1973-6-8 Conrad 7078 Sonoma Shrub on shaded bank at end of Neeley Road in Guerneville. 76 Comment
  UCD137794  Calycanthus occidentalis Frederica Bowcutt 1994-5-1 1764 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles N of Kenwood. In Adobe Canyon along Sonoma Creek just east of confluence with Bear Creek, near bridge over Sonoma Creek. Godspeed trail about 30 yards from trailhead. 198 Comment
  UCSB15842  Calycanthus occidentalis 1962-6-6 Sonoma State Highway 128, 4.0 miles northwest of U.S. Highway 101 at Cloverdale 289 Comment
  HSC16569  Calypso bulbosa F. Demostene 1966-4-11 41 Sonoma 25 mi. W of Healdsburg Comment
  UC105093  Calystegia purpurata subsp. saxicola Katharine Brandegee 1905-6-25 Sonoma Bodega Cliffs Comment
  JEPS128239  Calystegia subacaulis subsp. subacaulis Roger Raiche 2000-5-4 080 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET3885514  Camassia quamash Keller, McDowell 1940-5-15 s.n. Sonoma Bennett Mountain. Mer. Boise.; 0 1219 Comment
  CAS-BOT-BC498783  Camassia quamash subsp. linearis Peter Rubtzoff 1952-5-10 1030 Sonoma Lower part of the Upper Marsh; The Pitkin Marsh, near Forestville Comment
  UC72485  Camassia quamash subsp. quamash Milo S. Baker 1897-4-5 Sonoma Coast Road Comment
  CAS-BOT-BC160369  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  CAS-BOT-BC160370  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Walter Knight; Irja Knight 1963-8-13 160 Sonoma Horseshoe Cove Comment
  JEPS81961  Campanula angustiflora Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9112 Sonoma along road to Franz Valley School road (between 1 and 1.25 mi due w of Sonoma-Napa counties line) 219 Comment
  JEPS19404  Campanula californica G. Thomas Robbins 1938-6-23 269 Sonoma ca 10 mi w Santa Rosa (on Pitkin ranch, Vine Hill region); Vine Hill Comment
  RSA786866  Capsella bursa-pastoris Carrie A. Herd 1982-3-14 19 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  RSA790007  Capsella bursa-pastoris Peter Rubtzoff 1974-5-19 7443 Sonoma Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC37754  Cardamine californica Dorothy Scherer 1996-4-8 024 Sonoma Kolmer Gulch, ca 500 feet west of Highway 1, Fort Rose State Historic Park. 1 Comment
  CAS-BOT-BC37761  Cardamine californica Milo S. Baker 1924-4-27 Local 104 c-24 Sonoma Coopers Grove. Comment
  CAS-BOT-BC37768  Cardamine californica J. Clausen 1933-3-25 728 Sonoma About 4 miles east of Warfields on road to Oakville. 213 Comment
  CAS-BOT-BC37775  Cardamine californica Frank Walton Gould 1940-2-18 866 Sonoma Two miles north of Petaluma. 30 Comment
  HSC34934  Cardamine californica Thomas W. Nelson, James Nelson 1975-3-25 1757 Sonoma Beside Hwy. 128, E of Geyserville at the Sonoma-Napa Co. line Comment
  RSA143726  Cardamine californica var. integrifolia A. A. Heller, H. E. Brown 1902-3-14 5056 Sonoma Near Santa Rosa Comment
  CAS-BOT-BC38039  Cardamine oligosperma W. R. Dudley 1894-5-1 s.n. Sonoma Mountains west of Calistoga. Comment
  JEPS128328  Cardamine pachystigma var. dissectifolia Roger Raiche 2010-2-7 006 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD148424  Carduus Peter Rubtzoff 1960-5-15 4327 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC281763  Carduus pycnocephalus G. DeNevers 1981-5-9 1058 Sonoma Along road below the Strebel Homestead Comment
  UCD159445  Carduus pycnocephalus subsp. pycnocephalus D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 202 Sonoma Near Sonoma state beach hiking trail. Abundant. 40 Comment
  RSA74051  Carex Milo S. Baker 1947-6-26 11830 Sonoma Cunningham Marsh, ca 1 mile SW of Cunningham Sta. (air line) Comment
  UCD164192  Carex Peter Rubtzoff; Nancy Harrison 1978-6-11 9206 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  RSA0021490  Carex Peter Rubtzoff 1976-5-30 8562 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC344827  Carex abrupta Peter Rubtzoff 1960-5-20 4394 Sonoma Laguna de Santa Rosa east of Graton, between Occidentalis and Guerneville roads. Comment
  SEINET7546986  Carex albida J. T. Howell, J. W. Stacey 1937-1 Sonoma Comment
  CAS-BOT-BC312673  Carex athrostachya Peter Rubtzoff 1973-8-27 s.n. Sonoma Upper Green Valley Marsh. Comment
  UCD112451  Carex athrostachya Peter Rubtzoff 1959-5-30 4055 Sonoma Freestone Marsh. Comment
  UCR208538  Carex athrostachya Peter Rubtzoff 1960-5-29 4426 Sonoma Laguna de Santa Rosa near Trenton [Rd.], south of Woolsey Road Comment
  RSA0022385  Carex barbarae Peter Rubtzoff 1953-5-16 1360 Sonoma Vacation Beach. Near Guerneville. along Russian River. Comment
  CAS-BOT-BC18982  Carex densa Peter Rubtzoff 1951-6-9 162 Sonoma The Pitkin Marsh, near Forestville. Between the Upper and the Lower Marshes. Comment
  CAS-BOT-BC20482  Carex densa John Thomas Howell 1945-5-30 20891 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC20495  Carex densa Peter Rubtzoff 1959-5-30 4064 Sonoma Sonoma County Marshes. Freestone Marsh. Comment
  UC70642  Carex densa Bioletti 1893-1 Sonoma Los Guilucos Valley Comment
  CAS-BOT-BC20502  Carex densa Peter Rubtzoff 1962-6-1 4862 Sonoma Sonoma County Marshes. Upper Freestone Marsh. Comment
  SEINET7556713 Image available Carex densa Unknown 1936-7-26 12665 Sonoma Occidental. Comment
  UCD112441  Carex densa Peter Rubtzoff 1975-7-3 8150 Sonoma Kenwood Marsh. Comment
  RSA94279  Carex dudleyi Peter Rubtzoff 1951-6-16 245 Sonoma N half of lower Pitkin Marsh, SE of Forestville Comment
  CAS-BOT-BC20451  Carex globosa John Thomas Howell; J. W. Stacey 1936-7-26 12662 Sonoma Near Monte Rio. Comment
  UC728666  Carex globosa Milo S. Baker 1941-4-5 9925 Sonoma Calistoga-Franz Valley road 1/2 mi s School House (e a short distance on side of road) Comment
  CAS-BOT-BC28365  Carex gracilior Peter Rubtzoff 1955-4-30 1794 Sonoma Stony Point Marsh Comment
  CAS-BOT-BC20458  Carex gracilior J. W. Stacey 1933-4-16 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC28371  Carex gracilior Gregory Clark de Nevers 1981-4-11 681 Sonoma In wet meadow S of 3 Tree Hill. Comment
  RSA0022389  Carex gracilior Peter Rubtzoff 1959-4-18 4029 Sonoma Laguna de Santa Rosa northeast of Graton, about 0.5 miles north of Guerneville road crossing Comment
  SEINET10505883 Image available Carex gracilior Henry N. Bolander Bolander 3822 Sonoma Meadow at Cloverdale. Comment
  UC855  Carex gracilior H. N. Bolander 1866-4-12 4635 Sonoma Comment
Read comments
Apr 5 2008
  RSA0022475  Carex gynodynama Peter Rubtzoff 1964-6-3 5348 Sonoma Bodega Bay Marsh. Comment
  RSA0022362  Carex harfordii Peter Rubtzoff 1962-6-1 4867 Sonoma Freestone Marsh. Comment
  UCR248967  Carex hassei Peter Rubtzoff 1963-7-6 5194 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road) 31 Comment
  JEPS117132  Carex hassei Peter Warner, Kara Doolin, Anthony Nelson 2010-6-28 168 Sonoma Lower Pitkin Marsh, ~ 63 m, N 49 deg. E of gate at Hwy. 116, just N of interior fence Comment
  CAS-BOT-BC31175  Carex lemmonii R. F. Hoover 1939-5-30 4111 Sonoma Perry's Ranch near Sebastopol. Comment
  UC835699 Image available Carex lemmonii J. T. Howell and J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh; ; Pitkin Marsh, Sonoma Co. Comment
  CAS-BOT-BC31432  Carex leptopoda R. F. Hoover 1941-5-14 5079 Sonoma 3 mi S of Monte Rio on road to Camp Meeker. Comment
  RSA0031803  Carex leptopoda Peter Rubtzoff, Nancy Harrison 1974-7-13 7680 Sonoma Upper Green Valley Marsh. Comment
  CDA12282  Carex nudata G. F. Hrusa 1988-2-21 5500 Sonoma North Coast Biodiversity Arena; Sugarloaf Ridge State Park. Upper end of main valley. Comment
  CAS-BOT-BC119311  Carex obnupta Catherine Best 1981-6-5 s.n. Sonoma Ca 5 mi E of Stewart's Point on Stewart's Point Skaggs Creek Rd. Comment
  CAS-BOT-BC119280  Carex ovalis Peter Rubtzoff 1951-7-7 378 Sonoma Pitkin Marsh, near Forestville. Eastern Branch of the Upper Marsh. Comment
  CAS-BOT-BC119286  Carex ovalis John Thomas Howell; J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh. Comment
  RSA0022356  Carex ovalis Peter Rubtzoff 1966-6-5 5758 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC320465  Carex pachystachya Peter Rubtzoff 1975-7-3 8151 Sonoma Kenwood Marsh. Comment
  RSA51977  Carex pellita J. T. Howell 1945-5-30 s.n. Sonoma Pitkin Marsh. Comment
  SEINET7570933 Image available Carex pellita John Thomas Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh. Comment
  RSA52171  Carex praegracilis J. T. Howell 1947-6-26 23295 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC329282  Carex stipata Peter Rubtzoff 1960-5-22 4410 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville roads). Comment
  CAS-BOT-BC116931  Carex subbracteata Peter Rubtzoff 1957-5-11 3330 Sonoma Occidental Marsh. Comment
  SEINET7577061 Image available Carex subbracteata Lewis S. Rose 1964-6-3 64052 Sonoma N end of Bodega Bay. 2 Comment
  RSA758138  Carex subfusca Peter Rubtzoff 1976-5-30 8566 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC115529  Carex tumulicola Joseph Whipple Congdon 1880-5-31 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC329284  Carex tumulicola Peter Rubtzoff 1954-8-2 1620 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC350937  Carex tumulicola Peter Rubtzoff 1959-5-31 4076 Sonoma Freestone Marsh. Comment
  UCR248871  Carex tumulicola Peter Rubtzoff 1959-4-18 4035 Sonoma Laguna de Santa Rosa, NE of Graton, c. 0.5 mi north of Guerneville Rd. crossing 21 Comment
  UCD140933  Carex tumulicola Beecher Crampton 1956-4-24 3304 Sonoma Alexander Valley. Comment
  UC589968  Carex vesicaria var. major H. S. Yates 1936-5-17 5632 Sonoma 2 mi ne Graton; Sebastopol Quadrangle 30 Comment
  LA37651  Carpobrotus edulis Kathleen Baron; 1972-4-15 5 Sonoma Portugese Beach, 1 mi. S of Sonoma Coast State Beach, along Highway 1 Comment
  CAS-BOT-BC281917  Carthamus lanatus B. Crampton 1957-7-22 4356 Sonoma 15.2 miles W of Skagg's Springs on road to Stewart's Point Comment
  CDA36976  Carthamus leucocaulos J. H. Shelgren 1976-5-7 16 Sonoma Vicinity of Asti. 0 Comment
  RSA664100  Carthamus tinctorius J. C. Roos, L. Roos 1956-9-2 6599 Sonoma Healdsburg dump Comment
  POM15980  Castilleja affinis A. A. Heller, H. E. Brown 1902-4-11 5261 Sonoma Bodega Bay Comment
  JEPS15564  Castilleja ambigua subsp. ambigua Peter Kamb and Francia Chisaki 1950-6-16 1859 Sonoma 1 mi n Sousa Corners (nw of Sebastopol); Pitkin Marsh Comment
  JEPS74987  Castilleja ambigua subsp. ambigua T. I. and F. M. Chuang 1975-7-5 7518 Sonoma s side Pitkin Marsh Comment
  UC1238988  Castilleja applegatei subsp. martinii Freed W. Hoffman 1947-5-30 515 Sonoma Layton Mine North Coast Ranges, Austin Creek (Austin Creek) Comment
  UC76116  Castilleja densiflora subsp. densiflora Milo S. Baker 1898-4-23 623 Sonoma near Melita Comment
  POM15642  Castilleja densiflora subsp. densiflora A. A. Heller, H. E. Brown 1902-4-16 13150 Sonoma Fields east of Santa Rosa Comment
  UCD151301  Castilleja foliolosa James A. Neilson Jr. 1974-7-26 2865 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 Comment
  UCD161868  Castilleja foliolosa James A. Neilson Jr. 1981-3-13 3999 Sonoma Mayacmas Mountains; Hummingbird Creek. (Coordinates, location, and elevation estimated by label maker.) Comment
  OBI60005  Castilleja lacera Joseph Andorfer Ewan 1935-5-13 9250 Sonoma Along low places of RR right-of-way. Wright school on Sebastopal rd Comment
  UC70350  Castilleja rubicundula subsp. lithospermoides Milo S. Baker 1898-5-7 599 Sonoma Glen Ellen Comment
  JEPS23808  Castilleja wightii Rimo Bacigalupi with Don Liles 1959-7-13 7323 Sonoma 3.5 mi s Fort Ross (along State Hwy 1) 137 Comment
  JEPS60456  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-30 6695 Sonoma Timber Cove; on Highway 1 Comment
  CAS-BOT-BC47805  Ceanothus James McMurphy 1909-5-29 s.n. Sonoma ridge south of the Geysers Comment
  CAS-BOT-BC32772  Ceanothus confusus John Thomas Howell 1937-4-11 12897 Sonoma Rincon Ridge, NE of Santa Rosa Comment
  CAS-BOT-BC48515  Ceanothus confusus Bruce A. Stein 1981-5-31 557 Sonoma Rincon Ridge, Fountaingrove Ranch 228 Comment
  JEPS83495  Ceanothus confusus Jack and Betty Guggolz 1985-5-29 835 Sonoma w Geyserville (off West Dry Creek Rd, near edge of Chamise Rd) Comment
  UC870630  Ceanothus confusus John Thomas Howell 1937-4-11 12897 Sonoma NE of Santa Rosa (Rincon Ridge) Comment
  UCD111360  Ceanothus confusus Frederica Bowcutt; Adam Green 1994-5-1 1752 c Sonoma Sugarloaf Ridge State Park. About 50 air miles north of San Francisco; about 10 air miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trail about 1/8 mile from trail head on Adobe Canyon Road. 213 Comment
  RSA0005478  Ceanothus confusus J. T. Howell 1937-7-4 13080 Sonoma Rincon Ridge, northeast of Santa Rosa. Comment
  UC1084437  Ceanothus cuneatus var. cuneatus G. Thomas Robbins 1940-3-21 295 Sonoma ca 6 mi e Windsor (along Chalk Hill Rd) Comment
  UC1299546  Ceanothus cuneatus var. cuneatus Freed W. Hoffman 1947-5-30 520 Sonoma Layton Mine, Auston Creek North Coast Ranges Comment
  UC909729  Ceanothus divergens Milo S. Baker 1950-5-20 12226 Sonoma Coleman Ranch summit above; Hope Valley Comment
  RSA164626  Ceanothus divergens subsp. confusus Percy C. Everett 1963-11-21 11808 Sonoma N Rincon Ridge, NE santa Rosa, Parker Hill Road 183 Comment
  LA43583  Ceanothus foliosus Henry Reents; 1936-5-23 sn Sonoma ne of Santa Rosa Comment
  SEINET13945879 Image available Ceanothus foliosus A. E. Wieslander 1938-1 860 Sonoma 3 miles E of Mt. St. Helena, T9N R7W. Alt 1500 ft Comment
  CAS-BOT-BC49905  Ceanothus foliosus var. foliosus Walter Knight; Irja Knight 1963-8-23 189 Sonoma Joost Ranch, Calistoga Rd. Comment
  JEPS128180  Ceanothus foliosus var. foliosus Roger Raiche 2001-5-17 021 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. 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-BC50015  Ceanothus gloriosus John Thomas Howell 1937-4-11 12903 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49948  Ceanothus gloriosus var. exaltatus Walter Knight; Irja Knight 1963-11-21 417 Sonoma Guerneville Rd near Laguna Rd. Comment
  JEPS19405  Ceanothus gloriosus var. exaltatus G. Thomas Robbins 1940-3-22 300 Sonoma about 8.5 mi W of Santa Rosa (along Guernville Road) 45 Comment
  UC775008  Ceanothus gloriosus var. exaltatus Carl B. Wolf 1941-7-30 11108 Sonoma 8.5 mi s Stewarts Point (at entrance to Salt Point Ranch, along coast.) Comment
  CAS-BOT-BC63735  Ceanothus griseus Dorothy Scherer 1996-3-16 002 Sonoma Winderemere Point, Fort Ross State Historic Park. 24 Comment
  UC1280770  Ceanothus griseus H. E. McMinn 1938-6-20 5128 Sonoma Stewarts Point to Gualala Comment
  CAS-BOT-BC50601  Ceanothus jepsonii Catherine Best 1981-4-4 s.n. Sonoma Near Occidental on Stoetz Lane Comment
  CAS-BOT-BC50645  Ceanothus jepsonii James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge sout of the Geysers Comment
  RSA178027  Ceanothus jepsonii Robert F. Thorne 1965-4-19 34282 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UC338137  Ceanothus jepsonii Hy. Edwards May 1877 115 Sonoma Knights Valley Comment
  SACT002940  Ceanothus jepsonii J. Mensch 1963-4-10 Sonoma 15 miles east of Stewarts Point on road from Geyserville. Comment
  CAS-BOT-BC51132  Ceanothus jepsonii var. albiflorus Walter Knight; Cliff Schmidt 1987-2-27 6060 Sonoma Bradford Mt. Road near Dorman Canyon, West of Healdsburg 167 Comment
  SDSU10309  Ceanothus oliganthus var. sorediatus Claire Schneider, Gary Waayers 1993-4-10 10 IV93A Sonoma Located off of Trinity Road., ca. 1.0 mile east from intersection with State Hwy 12. 222 Comment
Read comments
Mar 3 2009
  CAS-BOT-BC51880  Ceanothus parryi Lester Rowntree 1933-6-5 s.n. Sonoma Occidental Comment
  CAS-BOT-BC51886  Ceanothus parryi Lewis Allen 1937-5-16 s.n. Sonoma Laguna Santa Rosa area east of Cunningham, nr, Llano Road. Comment
  SJSU14042  Ceanothus parryi C. L. Schmidt 1986-4-11 1109 Sonoma Trinity Rd, 1.5 mi E of Hwy 12 198 Comment
  SEINET13946221 Image available Ceanothus parryi Leo Koch 1939-1 631 Sonoma Campus of Santa Rosa Junior college. Comment
  UCD112486  Ceanothus parryi Collector unknown Date unknown s.n. Sonoma S.W. part of county. Comment
  UC1193290  Ceanothus prostratus R. H. Neuns 1950-5-17 112 Sonoma 4 mi airline from the Geysers (Sonoma-Lake County line); Quad. 60B4, 4 mi from the Geysers 990 Comment
  CAS-BOT-BC83739  Ceanothus sonomensis D. O. Burge 2007-4-27 897 a Sonoma Mayacmas Mountains, Hood Mountain Regional Park and Open Space Preserve 480 Comment
  CAS-BOT-BC53039  Ceanothus sonomensis Milo S. Baker 1927-3-5 2011 a Sonoma South slope of Hood Mt. on Macertney Ranch 213 Comment
  UCSB25382  Ceanothus sonomensis McMinn, H. 1944-11-5 Sonoma Near old rock quarry about 1-2 miles from Kenwood highway as the Oakville road leads off Comment
  CAS-BOT-BC52398  Ceanothus velutinus Walter Knight; Irja Knight 1964-2-27 560 Sonoma Seaview Comment
  UC1281461  Ceanothus velutinus H. E. McMinn 1936-4-4 4379 Sonoma near R. L. Stevenson Monument; Mt. St. Helena Comment
  JEPS15042  Centaurea benedicta unknown 1877-1-1 Sonoma Healdsburg Comment
  CAS-BOT-BC277159  Centaurea melitensis G. DeNevers 1981-5-15 1176 Sonoma Pepperwood Ranch. At base of first big left hand canyon off N arm of Garrison Canyon. Also on trail over Hansel's Driveway Comment
  UC523518  Centromadia fitchii David D. Keck 1933-11-10 2726 Sonoma 1 mi e Shellville Comment
  CAS-BOT-BC271550  Centromadia parryi subsp. rudis Walter Knight; Irja Knight 1985-9-23 5181 Sonoma Lower Tubbs Island about 1/4 mile from San Pablo Bay 0 Comment
  CHSC28850  Cerastium arvense Jane A. Rogers 1979-4-15 10 Sonoma Ca. 100 ft. w of Hwy. 1, ca. 1/4 mi. n of intersection of Hwy. 1 and Bay Flat Rd. in Bodega Bay. 15 Comment
  JEPS86810  Cerastium arvense Jack and Betty Guggolz 1991-4-26 1119 Sonoma between Hwy. 1 and ocean just s. of s. end of Meyers Grade Rd. 182 Comment
  UC8239  Cerastium arvense Harley P. Chandler 1900-5-25 714 Sonoma Bodega Bay Comment
  CAS-BOT-BC384970  Cerastium arvense Roxana S. Ferris; D. H. Morey 1958-4-10 13338 Sonoma Slopes along Walker Creek, between Tomales and Marshall Comment
  CAS-BOT-BC384976  Cerastium arvense Ella Dales Cantelow 1939-4-10 2593 Sonoma About 1 6/10 mi. s. of Russian River Bridge Comment
  CAS-BOT-BC388436  Cerastium glomeratum G. DeNevers 1981-4-16 713 Sonoma Pepperwood Ranch. Garrison Canyon, by shack Comment
  CAS-BOT-BC400227  Ceratophyllum demersum Peter Rubtzoff 1955-8-27 2103 Sonoma Bennett Mtn. Lake Comment
  POM187556  Cercis occidentalis Jones 1931-7-5 28974 Sonoma The Geysers Comment
  RSA437541  Chamaemelum fuscatum R. C. Bacigalupi 1948-4-4 2870 Sonoma In vineyard, ca. 2 mi. so. of Asti, along US 101 Comment
  CDA7376  Chamaemelum fuscatum T. C. Fuller 1970-5-4 19483 Sonoma 1 mile west of the freeway overpass, Highway 101, Asti. 0 Comment
  UCD130400  Chamaemelum fuscatum Philip A. Munz 1952-3-23 17351 Sonoma 2 miles south of Asti Vineyard (Italian Swiss Colony). Comment
  CAS-BOT-BC68222  Cheilanthes gracillima James Jokerst 1985-5-29 2391 Sonoma Whispering Pines Quad. near Cobb Mountain 1126 Comment
Read comments
Jan 26 2018
  CAS-BOT-BC166919  Chenopodium Peter Rubtzoff 1974-9-14 7892 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166751  Chenopodium Peter Rubtzoff 1971-7-23 6617 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC173553  Chenopodium Peter Rubtzoff 1969-11-2 6209 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  SEINET11933366  Chenopodium berlandieri var. zschackei W. Knight, Knight, I.; Edwards, S. W. 1984-1 5042 Sonoma Willow Creek between Denman Flat and Corona Road near Petaluma Comment
  CAS-BOT-BC499261  Chlorogalum pomeridianum J. W. Congdon 1880-5-1 s.n. Sonoma unspecified Comment
  RSA369225  Chlorogalum pomeridianum var. pomeridianum Christopher Davidson 1977-6-20 6010 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  CDA33645  Chondrilla juncea Robin Breckenridge & Katie Filippini 2010-7-22 PDR# 1313480 Sonoma Petaluma; Hwy 101 at Lakeville Rd./Hwy 116 exit. 0 Comment
  CAS-BOT-BC361397  Chorizanthe Greg de Nevers 1993-5-10 10442 Sonoma Bodega Dunes State Beach, just north of Bodega Head. 0 Comment
  JEPS30833  Chorizanthe cuspidata var. villosa Rimo Bacigalupi and L. R. Heckard 1962-6-19 8589 Sonoma 1/4 mi se Horseshoe Cove (at northeastern base of low hills forming Bodega Head proper); at northeastern base low hills Bodega Head 12 Comment
  CAS-BOT-BC257024  Chorizanthe membranacea Greg de Nevers 1997-5-12 10996 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC376251  Chorizanthe membranacea Greg de Nevers 1995-5-2 10717 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. On south slope of rock west of High Hill 487 Comment
  CAS-BOT-BC252850  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1925-5-9 11750 Sonoma Mt. St. Helena Comment
  RSA130893  Chrysanthemum segetum E. K. Balls 1958-7-20 23582 Sonoma State Hwy. 1, Bodega Bay to Jenner 46 Comment
  UCD110103  Chrysolepis chrysophylla var. minor J. M. Tucker 1951-6-26 2143 Sonoma Near Top of the World Ranch, ca. 5 miles due east of Glen Ellen. Comment
  CAS-BOT-BC176193  Cichorium intybus Peter Rubtzoff 1954-7-28 1599 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC285251  Cichorium intybus Greg de Nevers 1992-6-26 10186 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  UC1119746  Cichorium intybus H. S. Yates 1935-10-3 5345 Sonoma Santa Rosa Santa Rosa Quadrangle Comment
  SJSU6040  Cicuta douglasii C. W. Sharsmith 1972-6-24 7802 Sonoma Forestville Marsh c. 0.5 mi E of Forestville NW of Sebastopol, southern Sonoma County 42 Comment
  UCD148368  Cirsium arvense Peter Rubtzoff 1955-8-13 2049 Sonoma Willow Creek Marsh. Comment
  RSA0015628  Cirsium brevistylum Peter Rubtzoff 1964-5-20 5313 Sonoma Brooks Gulch Marsh. Comment
  SEINET11860261  Cirsium occidentale Unknown 1936-5-2 13372 Sonoma near Healdsburg Comment
  CAS-BOT-BC285705  Cirsium occidentale var. occidentale John Thomas Howell 1930-6-8 5251 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC290643  Cirsium occidentale var. occidentale Peter Rubtzoff 1960-9-14 4547 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC280369  Cirsium occidentale var. venustum Peter Rubtzoff 1952-6-3 1144 Sonoma South slope of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC280370  Cirsium occidentale var. venustum D. E. Breedlove 1980-6-27 44755 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC76033  Cirsium occidentale var. venustum Milo S. Baker 1898-6-11 658 Sonoma Little Sulphur Creek Comment
  UC894320  Cirsium occidentale var. venustum A. A. Heller 1902-6-24 5753 Sonoma near Burke's Sanitarium Comment
  CAS-BOT-BC280374  Cirsium occidentale var. venustum Volney Rattan 1877-1-1 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC280532  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  CAS-BOT-BC280534  Cirsium quercetorum Alice Eastwood 1915-6-29 4891 Sonoma Bodega Point Comment
  UC91788  Cirsium remotifolium var. odontolepis K. Brandegee 1886-4-1 Sonoma Santa Rosa Comment
  SBBG7970  Cirsium scariosum var. citrinum H. and M. Dearing 1939-5-14 3370 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  CAS-BOT-BC162609  Clarkia Peter Rubtzoff 1969-8-14 6138 Sonoma East-facing slope of Salmon Creek Canyon ca. 1/2 mi. upstream from Hwy. #1 Comment
  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
  UC1541515  Clarkia amoena H. E. and S. T. Parks 1930-5-10 606 Sonoma Knights Valley 152 Comment
  UC113992  Clarkia amoena Katharine Brandegee 1908-7-22 Sonoma Burbank's Garden Santa Rosa Comment
  UC112987  Clarkia amoena subsp. amoena Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  CAS-BOT-BC161051  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1938-7-11 6268 Sonoma Bodega Bay Comment
  UC1072038  Clarkia amoena subsp. amoena H. and M. Lewis 1947-6-15 436 Sonoma at west road to Doran Peak (Highway 1); Bodega Bay Comment
  JEPS82306  Clarkia amoena subsp. huntiana Roger Raiche 1983-7-5 30483 Sonoma ne of Plantation (Tin Barn Road, 3.5 mi n of King Ridge Road) Comment
  UC1018290  Clarkia amoena subsp. huntiana H. Lewis and M. Lewis 1951-7-10 871 Sonoma 2.0 mi e Mark West Springs Comment
  OBI12140  Clarkia amoena subsp. huntiana G. Thomas Robbins 1959-5-16 4015 Sonoma Spring Mtn rd, between Califstoga Rd and Sonoma-Napa county line, Mayacamas Mt 488 Comment
  CAS-BOT-BC172207  Clarkia concinna Rimo Bacigalupi 1926-5-2 1397 Sonoma Cazadero Comment
  CAS-BOT-BC172215  Clarkia concinna M. S. Baker 1898-5-7 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC172220  Clarkia concinna F. F. Wood 1918-4-25 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC172345  Clarkia concinna Elsa G. Ruckert 1960-5-28 162 Sonoma Trinity Road, 1 mile from junction with Highway 12 243 Comment
  SBBG13077  Clarkia concinna A. I. Richardson 1961-6-16 20 Sonoma Sweetwater Rd, 1 mi beyond turnoff to Armstrong Redwoods St Park Comment
Read comments
Mar 19 2010
  SD64377  Clarkia concinna Darley F. Howe 1966-6-2 Sonoma Cliff, 1 mile South of Bodega Bay on Highway #1 Comment
  SBBG4971  Clarkia gracilis H. and M. Dearing 1939-5-14 3344 Sonoma near Healdsburg Comment
  UC762861  Clarkia gracilis subsp. gracilis Robert F. Hoover 1941-5-14 5083 Sonoma 3 mi s Monte Rio (on road to Camp Meeker) Comment
  CAS-BOT-BC163142  Clarkia gracilis subsp. sonomensis Ynez Whilton Winblad 1941-6-20 s.n. Sonoma Between Santa Rosa and Ukiah Comment
  CAS-BOT-BC163144  Clarkia gracilis subsp. sonomensis W. W. Carruth 1899-7-1 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC163468  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1929-6-9 4301 Sonoma 2 miles n. of Sonoma Comment
  CAS-BOT-BC163471  Clarkia purpurea subsp. quadrivulnera Walter Knight; Irja Knight 1963-8-25 404 Sonoma Magnolia Ave, near cemetery, Petaluma Comment
  CAS-BOT-BC164745  Clarkia rhomboidea Alice Eastwood 1915-6-6 4684 Sonoma Mt. St. Helena Comment
  SEINET12194281  Clarkia unguiculata F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -156 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 80 Comment
  CAS-BOT-BC439319  Claytonia exigua subsp. exigua Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane, 2 mi. north east of Occidental Comment
  CAS-BOT-BC439412  Claytonia gypsophiloides Ira L. Wiggins 1949-4-30 12062 Sonoma 6.8 miles east of Santa Rosa on road to Calistoga Comment
  SD130424  Claytonia gypsophiloides F. Alameda, G. DeNevers 1981-3-30 4876 Sonoma Pepperwood Ranch: along road to the Garrison Cabin at the SW sector of the ranch Comment
  UC1299361  Claytonia gypsophiloides Freed W. Hoffman 1947-3-5 811 Sonoma near Guerneville (Gilliam Creek); North Coast Ranges, Gilliam Creek Comment
  CAS-BOT-BC439403  Claytonia gypsophiloides Peter H. Raven; H. L. Mason; R. Ornduff; et al 1957-3-23 10530 Sonoma 1.1 mi. s. of Mendocino Co. line on State Highway 128, n. of Cloverdale Comment
  CAS-BOT-BC439414  Claytonia gypsophiloides J. Clausen 1933-3-26 745 Sonoma Harrison Grade, between Graton and Occidental. Comment
  HSC17747  Claytonia gypsophiloides A. Sylvester, R. Spellenberg, D. Sutherland 1330 Sonoma 1 mi. NW of Big Geysers Comment
  SBBG106815  Claytonia gypsophiloides K. L. Chambers 1978-4-29 4466 A Sonoma Hwy 128, the Cloverdale to Ft Bragg rd, 3.8 mi W of its jct with Hwy 101 at Cloverdale Comment
  CAS-BOT-BC439635  Claytonia parviflora subsp. parviflora Peter Rubtzoff 1953-5-17 1390 Sonoma South of Guerneville (Neeley Hill area). Comment
  CAS-BOT-BC443871  Claytonia sibirica Peter Rubtzoff 1964-7-3 5340 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC91527  Clematis lasiantha Stewart Wade 1927-4-1 s.n. Sonoma Healdsburg. Comment
  SEINET12092983  Clematis lasiantha I. Knight, Knight, W.; Edwards, S. Dr 1986-1 5346 Sonoma Along trail to summit of Geyser Peak, access from Healdsburg-Geysers Rd 853 Comment
  UC1084477  Clematis ligusticifolia G. Thomas Robbins 1937-6-18 246 Sonoma Santa Rosa, Santa Rosa Creek Comment
  UC55256  Clintonia andrewsiana Milo S. Baker 1899-6-28 Sonoma roadside near Duncan's Mills Comment
  RSA12260  Clintonia andrewsiana Carl B. Wolf 1934-6-29 5805 Sonoma 6/10 mile inland from Stewarts Point. 61 Comment
  UCD13250  Clintonia andrewsiana Neil Miller 1973-5-26 89 Sonoma Along Stewarts Point Rc., 4 miles east of Stewarts Point. 152 Comment
  RSA92819  Collinsia heterophylla Peter H. Raven 1950-4-6 1593 Sonoma Vernal Flats, Santa Rosa to Rincon Ridge. 183 Comment
  CHSC22323  Collinsia sparsiflora Robert A. Schlising 1962-3-31 2112 Sonoma In field. Coast Ranges. Comment
  POM126797  Collinsia sparsiflora H. P. Chandler 1907-4-28 7549 Sonoma Santa Rosa to Calistoga. Comment
  RSA138311  Collinsia sparsiflora Volney Rattan 1880-1 s.n. Sonoma Healdsburg. Comment
  POM14827  Collinsia sparsiflora var. arvensis D. C. Michener, F. T. Bioletti 1893-04 s.n. Sonoma Kenwood. Comment
  UC192679  Collinsia sparsiflora var. arvensis Michener and Bioletti 1893-4-1 Sonoma Kenwood Comment
  UC26654  Collinsia sparsiflora var. arvensis Mrs. Ward 1891-1 Sonoma Kenwood Comment
  UC103392  Collinsia sparsiflora var. sparsiflora Michener and Bioletti 1892-5-15 1662 a Sonoma South Los Guilucos Comment
  CAS-BOT-BC286003  Conyza bonariensis Walter Knight; Irja Knight 1963-12-25 491 Sonoma Cor. Marshall & Magnolia Aves., Petaluma Comment
  UCR256101  Cordylanthus Greg de Nevers 1997-8-17 11074 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, Oak Hill Ranch 400 Comment
  CDA41356  Cordylanthus pilosus G. D. Barbe 1989-8-4 4356 Sonoma East of Dan Galvin Park, east of Matanzas Creek off Bennett Valley Road, south of Annadel State Park, South Santa Rosa. 0 Comment
  SEINET12327524  Cordylanthus pilosus W. Knight, Knight, I. 1984-1 5074 Sonoma 4.1 mi up Cavedale Rd from St. 12 640 Comment
  JEPS33001  Cordylanthus pilosus subsp. pilosus Freed W. Hoffman 1946-8-14 783 Sonoma near serpentine island e Camp Meeker; North Coast Ranges Comment
  RSA0006006  Cordylanthus pilosus var. brunneus W. L. Jepson 1894-7-19 21109 Sonoma Mt. St. Helena Comment
  JEPS33010  Cordylanthus tenuis subsp. brunneus Freed W. Hoffman 1947-8-4 1421 Sonoma Mt. St. Helena North Coast Ranges 609 Comment
  RSA412354  Cordylanthus tenuis subsp. brunneus Francis W. Pennell 1940-7-3 26044 Sonoma Hoods Peak, NE of Kenwood 701 Comment
  SBBG84042  Cordylanthus tenuis subsp. brunneus F. W. Pennell 1940-7-3 26044 Sonoma summit, Hoods Peak, NE of Kenwood 701 Comment
  UC1012239  Cordylanthus tenuis subsp. brunneus Francis W. Pennell 1904-7-3 26044 Sonoma ne Kenwood (summit); Hoods Peak 701 Comment
  JEPS62600  Cordylanthus tenuis subsp. capillaris T. I. Chuang with Fei-Mei Chuang 1970-7-25 6834 Sonoma 2.7 mi ne Occidental (Stoetz Road, w of Harrison grade) Comment
  RSA74476  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1947-7-15 11866 Sonoma 2 miles NE of Occidental, along Harrison Grade Comment
  CAS-BOT-BC212287  Cornus glabrata Peter Rubtzoff 1952-5-31 1112 Sonoma South of the Upper Pitkin Marsh near Forestville Comment
  CAS-BOT-BC209880  Cornus nuttallii A. T. Graff 1922-5-1 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC210435  Cornus sericea Peter Rubtzoff 1958-5-3 3615 Sonoma Atascadero Creek Marsh Comment
  UC1090394  Coronopus didymus Milo S. Baker May 1957 13095 Sonoma Junior College at Santa Rosa, next to Industrial Arts Building Junior College at Santa Rosa; North Coast Ranges, Junior College at Santa Rosa Comment
  UCD110093  Corylus cornuta subsp. californica J. M. Tucker 1951-6-26 2140 Sonoma Near summit of the range, beside road from Oakville to Glen Ellen. Comment
  SEINET12031412  Corylus cornuta var. californica F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -259 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC173671  Cotula coronopifolia Peter Rubtzoff 1959-6-6 4101 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC290300  Cotula coronopifolia Peter Rubtzoff 1951-7-14 451 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  SD206992  Crassula Reid Moran, J. Vale 1989-5-3 Sonoma Sonoma Valley Regional Park; E of Glen Ellen. Comment
  CAS-BOT-BC427647  Crassula aquatica Greg de Nevers 1992-7-21 10221 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 457 Comment
  CAS-BOT-BC427659  Crassula aquatica Peter Rubtzoff 1969-6-14 6074 Sonoma 6.5 mi. northeast of Penngrove, on Lichau Road 426 Comment
  CAS-BOT-BC427918  Crassula connata Catherine Best 1987-3-28 1238 Sonoma Bodega Head Comment
  JEPS86784  Crassula solieri Reid Moran, Chas. Quibell 1991-5-15 31053 Sonoma 1 km. e. Glen Ellen (Rte. 12 0.5 km s. of Arnold Dr., Sonoma Valley Regional Park); Sonoma Valley Regional Park 110 Comment
  RSA0025202  Crataegus monogyna Peter Rubtzoff, Roman Gatkin 1975-5-21 7977 Sonoma San Bruno Mtns: 'Saddle' area on north side of Guadalupe Canyon Parkway, west of Radio Road Junction. Comment
  UC1299210  Crocanthemum scoparium var. vulgare Freed W. Hoffman 1947-7-30 1412 Sonoma near Guerneville; North Coast Ranges, Mt. Jackson Comment
  CAS-BOT-BC190150  Crypsis schoenoides Peter Rubtzoff 1962-9-16 5085 Sonoma Vacation Beach, 2 miles below Guerneville. On Russian River bottom. Comment
  SEINET11687825  Crypsis schoenoides W. Knight, Knight, I.; Knight, T. 1986-1 5519 Sonoma Old Adobe Road toward E Washington St, 0.5 mi from the old adobe Comment
  UCD59962  Crypsis vaginiflora T. O. Morrison 1940-8-22 s. n. Sonoma Field Near Mt. Eden (Oliver Ranch). Comment
  CAS-BOT-BC376294  Cryptantha Greg de Nevers 1992-4-28 10123 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Found by Double Ponds vernal pool 475 Comment
  UCD119057  Cryptantha ambigua Collector unknown 1932-7-7 s.n. Sonoma Calistoga, near Petrified Forest. Comment
  UC1186500  Cryptantha leiocarpa Peter M. Ray 1952-5-30 2299 Sonoma n of Bodega Head (between Bodega Harbor and the ocean (near harbor just s of the marsh indicated on Bodega Head quadrangle)) Comment
  SEINET483798  Cryptantha leiocarpa F. R. Stermitz 1992-4-13 Sonoma Sand dune west of dormitories - Bodegee Bar reserve Comment
  UC280520  Cryptantha muricata Katharine Brandegee Sonoma Mt. St. Helena Comment
  RSA785748  Cucurbita Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  UCD162162  Cupressus goveniana D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1515 Sonoma Hooker Creek watershed. 520 Comment
Read comments
Jul 25 2018
  CAS-BOT-BC85460  Cupressus sargentii John Thomas Howell 1931-9-26 8092 Sonoma Serpentine outcrop 2 miles from Monte Rio on road to Camp Meeker Comment
  CAS-BOT-BC85466  Cupressus sargentii David Daniels Keck 1933-11-6 2651 Sonoma 4 mi. N. of Occidental Comment
  UC583388  Cupressus sargentii Elmer I. Applegate 1934-3-25 8859 Sonoma w slope Mayacama Mts.; , Pine Flat Region Comment
  NY16794  Cupressus sargentii D. D. Keck 1933-11-6 2651 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
  SEINET10834045  Cupressus sargentii Carl B. Wolf, E. R. Johnson 1934-10-13 Wolf 2141 Sonoma Coys Ranch about 2 miles from Occidental. Life zone: Transition:- Sun. Serpentine. 90 Comment
  CAS-BOT-BC376333  Cuscuta Greg de Nevers 1996-11-10 10891 Sonoma Just north of Highway 37 opposite Port Sonoma, Lower Ranch. 0 Comment
  UCD164605  Cuscuta campestris Peter Rubtzoff 1975-9-28 8414 Sonoma Russian River bank at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC182776  Cuscuta pentagona Peter Rubtzoff 1975-8-15 8321 Sonoma Laguna, Chileno Valley. Comment
  SEINET12330328  Cuscuta salina W. Knight, Knight, I. 1985-1 5177 Sonoma Lower Tubbs Island about 1/4 mile from San Pablo Bay 0 Comment
  RSA0022351  Cynodon Peter Rubtzoff 1971-8-23 6658 Sonoma Meacham Road, 0.35 miles S of Stony Point Road. Comment
  POM115532  Cynodon dactylon Marcus E. Jones 1982-7-18 s.n. Sonoma Duncan's Mills ., [County not indicated on specimen label]. Comment
  RSA126600  Cynodon dactylon H. S. Yates 1937-5-30 6539 Sonoma 1.5 miles northeast of Graton 30 Comment
  HSC3650  Cynoglossum grande R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1337 Sonoma Near the Big Geysers Comment
  UCD119156  Cynoglossum grande Botany 102 Students 1993-4-24 86 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. S of Sonoma Creek. About 2 air miles S of Bald Mtn. Mid slope on Hillside Trail. 411 Comment
  CAS-BOT-BC190427  Cynosurus echinatus John H. Thomas 1976-6-15 18229 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UC796492  Cynosurus echinatus Roxana S. Ferris and Laura Lorraine 1948-6-9 11663 Sonoma on road to Kellogg 11 mi from Geyserville Comment
  UCR248758  Cynosurus echinatus Peter Rubtzoff 1978-6-11 9209 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley 35 Comment
  UC688870  Cyperus niger Freed Hoffman 1943-10-26 Sonoma overflow pool of Russian R. Guerneville Comment
  CAS-BOT-BC189849  Dactylis glomerata A. A. Heller 1902-6-7 5657 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UCD60280  Dactylis glomerata Alan A. Beetle 1945-8-4 4011 Sonoma 10 miles north of Fort Ross. Comment
  RSA0022473  Dactylis glomerata Peter Rubtzoff 1968-7-13 5921 Sonoma Upper Salmon Creek Marsh. Comment
  RSA247453  Damasonium californicum Peter Rubtzoff 1970-6-6 6255 Sonoma At Marin Co ling on Tomales-Petaluma Road. Stemple Creek bed. Comment
  UCD137999  Damasonium californicum Herbert L. Mason 1928-4-13 4325 Sonoma near Petaluma. Comment
  CAS-BOT-BC192269  Danthonia californica Peter Rubtzoff 1951-6-17 267 Sonoma Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC192270  Danthonia californica David D. Keck 1944-7-11 5513 Sonoma 1 mi. S. of bridge across mouth of Russian River 22 Comment
  CAS-BOT-BC192276  Danthonia californica John Thomas Howell 1957-6-13 32622 Sonoma Bordering Pitkin Marsh Comment
  RSA126873  Danthonia californica var. americana H. S. Yates 1937-5-30 6541 Sonoma 1.5 miles N.N.E. of Graton 30 Comment
  UCR152279  Danthonia californica var. americana Beecher Crampton 1965-5-13 7339 Sonoma c. 8.5 mi SE of Geyersville, S end of Alexander Valley, jct. of Calistoga (hwy 128) and Chalk Hill roads 85 Comment
  CAS-BOT-BC154123  Datura Peter Rubtzoff 1971-8-23 6651 Sonoma Laguna, Chileno Valley. Comment
  JEPS15987  Daucus carota W. L. Jepson 1933-8-5 16552 Sonoma Sonoma Comment
  UCD131046  Deinandra corymbosa Mary M. Hektner 1975-8-14 223 Sonoma road cut not far from hedgerow separating Units 28 and 34-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC220564  Deinandra kelloggii Dr. Edward Palmer 1892-6-27 2679 Sonoma Petaluma Comment
Read comments
Apr 16 2019
  UC963909  Delphinium bakeri Milo S. Baker 1946-4-25 11337 Sonoma Coleman Val., west of Occidental on Hedrin Ranch Sonoma Co. Comment
  CAS-BOT-BC9017  Delphinium decorum John Thomas Howell 1931-4-18 6413 Sonoma Larkspur Rock near Bodega Bay Comment
  UC118571  Delphinium decorum subsp. decorum Alice Eastwood April 1899 Sonoma type locality Bodega Point Comment
  UC424822  Delphinium decorum subsp. decorum Milo S. Baker Apr. 1930 4959 a Sonoma near Stewart's Point Comment
  CAS-BOT-BC10345  Delphinium hesperium A. A. Heller 1902-4-1 s.n. Sonoma Santa Rosa Comment
  UC188634  Delphinium hesperium subsp. hesperium Michener and Bioletti May 1893 Sonoma Kenwood Comment
Read comments
Jun 5 2007
  UC726273  Delphinium hesperium subsp. hesperium A. A. Heller 1940-6-12 15724 Sonoma w of Two Rocks Comment
  HSC25040  Delphinium luteum R. F. Good 1962-4-19 30 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes 46 Comment
  SEINET10536041  Delphinium luteum A. Arthur Heller, H. E. Brown 1902-1 Sonoma Comment
  UC1299392  Delphinium nudicaule Freed W. Hoffman 1947-4-13 660 Sonoma near Guerneville; North Coast Ranges, Gilliam Creek Comment
  UCD160218  Delphinium nudicaule James A. Neilson Jr. 1974-5-17 2889 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, along road to PG and E geothermal units 9 and 10, northeast Sonoma County. (Elevation and georeferencing estimated by label maker.) 1005 Comment
  SEINET12091840  Delphinium nudicaule F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -094 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 244 Comment
  SEINET12094689  Delphinium nudicaule F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -233 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UCD95873  Delphinium nudicaule Erik Beever; Patti Togioka and Valerie Bullock 1993-5-8 235 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. 304 Comment
  RSA26407  Delphinium variegatum J. T. Howell 1941-4-5 16175 Sonoma 1 mile S of El Verano Comment
  CAS-BOT-BC7769  Delphinium variegatum subsp. variegatum John Thomas Howell 1941-4-5 16175 Sonoma 1 mile S of El Verano Comment
  CAS-BOT-BC83024  Dendromecon rigida Ella Dales Cantelow 1940-4-6 4074 Sonoma Triniti Road west of Boyes Spring. 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
  UCD61380  Deschampsia cespitosa Beecher Crampton 1957-7-22 4383 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCD61230  Deschampsia cespitosa R. Tofsrud 1948-6-1 Sonoma By Mark West School. Comment
  CAS-BOT-BC201651  Deschampsia danthonioides Peter Rubtzoff 1961-6-17 4632 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC210040  Deschampsia danthonioides Peter Rubtzoff 1969-5-24 6061 Sonoma Vernal pool 7.5 mi. northeast of Penngrove on Lichau Road. 426 Comment
  UCD84280  Deschampsia danthonioides Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  RSA785843  Deschampsia elongata Peter Rubtzoff 1971-6-25 6560 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  UCD63895  Desmazeria rigida Leo Koch 1940-5-19 964 Sonoma Wood residence, 349 Second Avenue, Santa Rosa. Comment
  CAS-BOT-BC221146  Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-18 7139 e Sonoma The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called The Outlaw) or otherwise thermal no. 10 (Thermal Power co.), N.E. Sonoma County 493 Comment
  SEINET242405 Image available Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-18 7139 a Sonoma NE Sonoma County, the Geysers, 12 miles (in direct line) E of Cloverdale, ca. 1/2 mile E of Geyser Resort area 494 Comment
  UC1198177  Dichelostemma capitatum Joseph P. Tracy 1933-5-1 12125 Sonoma Knights Valley 152 Comment
  CAS-BOT-BC502212  Dichelostemma capitatum Wayne Roderick 1967-5-20 s.n. Sonoma n.w. edge of Santa Rosa 45 Comment
  CAS-BOT-BC502214  Dichelostemma capitatum A. A. Heller 1902-3-14 5065 Sonoma near Windsor Comment
  CHSC33027  Dichelostemma capitatum subsp. capitatum Jane A. Rogers 1979-4-15 11 Sonoma S side of Barnett Valley Rd., ca. 2 mi. e of intersection of Barnett Valley Rd. and Bodega Hwy., ca. 4 mi. w of Sebastopol. 137 Comment
  UC1300926  Dichelostemma congestum Helen K. Sharsmith 1963-5-25 5483 Sonoma on road from Freestone to Occidental; San Francisco Bay Region 121 Comment
  UCD139158  Dichelostemma congestum Frederica Bowcutt 1996-5-24 2170 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek and below confluence of Malm Fork. Along Meadow Trail. 381 Comment
  CAS-BOT-BC209111  Digitaria sanguinalis Catherine Best 1987-7-2 1299 Sonoma Along Todd Road about 1 mile from Llano Road Comment
  CAS-BOT-BC152038  Diplacus aurantiacus A. A. Heller; H. E. Brown 1902-4-11 5258 Sonoma Bodega Bay Comment
  CAS-BOT-BC151918  Diplacus douglasii Milo S. Baker 1927-4-11 2061 a Sonoma Hillside on Macartney - N.W. of our house at Maple Glen 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
  POM109250  Disporum hookeri var. hookeri Marcus E. Jones 1882-7-8 s.n. Sonoma Duncan Mills. Comment
  CAS-BOT-BC182753  Distichlis spicata Peter Rubtzoff 1955-8-20 2065 Sonoma Bodega Harbor Marsh. Comment
  RSA796172  Distichlis spicata Peter Rubtzoff 1962-7-14 5000 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC196919  Distichlis spicata David L. Morgan 1956-6-26 s.n. Sonoma Above Shell Beach, 1/4 mi. S of Goat Rock, off State Hiway #1 Comment
  SD130505  Dodecatheon hendersonii F. Alamda, G. DeNevers 1981-3-30 4895 Sonoma Pepperwood Ranch, streambank in vicinity of the Redwood Canyon Comment
  UCD144665  Dodecatheon hendersonii Christine Lee 1993-4-24 96 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail S of Sonoma Creek. 396 Comment
  UCD33097  Downingia concolor Beecher Crampton 1966-5-10 7728 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  JEPS14420  Downingia concolor var. concolor W. L. Jepson 1921-6-2 9301 Sonoma Windsor Comment
  UC890619  Downingia concolor var. concolor Alice Eastwood and John Thomas Howell 1936-5-19 2508 Sonoma 2 mi n Windsor Comment
  JEPS103647  Downingia concolor var. concolor Lisa Schultheis 1995-5-15 147 -95 Sonoma N of Sonoma at Rt. 12 entrance to Sonoma Valley Regional Park Comment
  JEPS108503  Downingia concolor var. concolor Lisa Schultheis with Tony Morosco 1995-5-31 187 -95 Sonoma NW Santa Rosa. W side of Pinter Rd., near Waltzer Rd. Comment
  JEPS108526  Downingia concolor var. concolor Lisa Schultheis 1995-5-15 151 -95 Sonoma Todd Road Reserve. SWof Santa Rosa, on Todd Road, just W of Llano Road. Comment
  POM59149  Downingia concolor var. concolor A. A. Heller, H. E. Brown 1902-6-2 s.n. Sonoma Santa Rosa. Comment
  UC1127101  Drosera rotundifolia H. S. Yates 1937-5-30 6536 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle 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
  CAS-BOT-BC159445  Drymocallis glandulosa var. glandulosa Peter Rubtzoff 1952-6-10 1222 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC159462  Drymocallis glandulosa var. glandulosa L. R. Abrams 1916-7-4 5792 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC159464  Drymocallis glandulosa var. glandulosa John Thomas Howell 1930-6-8 5289 Sonoma Rocky slope overlooking the ocean, 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC71012  Dryopteris arguta John H. Thomas 1976-6-18 18361 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville Comment
  CAS-BOT-BC71075  Dryopteris expansa J. Burtt Davy 1896-3-13 s.n. Sonoma near Duncan's Mill Comment
  CAS-BOT-BC411376  Dudleya caespitosa Carl B. Wolf 1927-9-2 1356 Sonoma 8 miles N of Fort Ross Comment
  CAS-BOT-BC213758  Dudleya eastwoodiae Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  UC420755  Dudleya farinosa Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  UC1949236  Dysphania botrys Barbara Ertter 1988-11-5 8029 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge Comment
  CAS-BOT-BC208553  Echinochloa crus-galli David L. Morgan 1955-7-5 s.n. Sonoma Bloomfield Rd., 2 mi. N of junction of Petaluma-Valley Ford Rd. Comment
  CAS-BOT-BC274413  Eleocharis Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7849 Sonoma Kenwood Marsh. Comment
  SEINET7062820  Eleocharis acicularis A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point. UTM Zone 10, 464491mE, 4278527mN. (WGS84/NAD83). 0 Comment
  CAS-BOT-BC112980  Eleocharis macrostachya Catherine Best 1981-8-22 s.n. Sonoma At the pond about 2 miles morth of Occidental on Stoetz Lane Comment
  CAS-BOT-BC213787  Elymus X hansenii G. DeNevers 1981-6-15 1515 Sonoma Pepperwood Ranch, 1st road cut on Franz Valley Road Comment
  UCD158822  Elymus glaucus James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2895 Sonoma northwest corner of Section 14, The Geysers. (Elevation estimated by label maker using Google Earth.) 472 Comment
  SEINET11690147  Elymus glaucus J. T. Howell, Knight, W.; Knight, I. 1987-1 6229 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-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-BC235229  Elymus multisetus K. Wagnon 1939-5-20 207 Sonoma Glade west of Wagnon rock quarry, 5 miles west of Sebastopol Comment
  UC1011038  Elymus multisetus Virginia Bufford 1936-5-20 317 Sonoma Mark West Road; Napa-Sonoma Co. line Comment
  UC1146633  Elymus trachycaulus Freed W. Hoffman 1944-5-27 2007 Sonoma Dutch Bill Creek North Coast Ranges Comment
  UCD84285  Epilobium Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCD105291  Epilobium brachycarpum K. Evan 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC262971  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1520 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  CAS-BOT-BC268117  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1970-6-21 6270 Sonoma Sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  RSA800034  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1692 Sonoma Guerneville Marsh. Comment
  RSA800035  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1693 Sonoma Guerneville Marsh. 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
  UCD165166  Epilobium torreyi Peter Rubtzoff 1974-5-26 7491 Sonoma 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC57040  Equisetum arvense Peter Rubtzoff 1960-6-9 4477 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road Comment
  CAS-BOT-BC57046  Equisetum arvense Peter Rubtzoff 1962-4-18 4800 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road Comment
  CAS-BOT-BC164055  Equisetum hyemale var. californicum Peter Rubtzoff 1961-10-23 4785 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  UCR279623  Equisetum hyemale var. californicum Peter Rubtzoff 1961-10-23 4785 Sonoma Laguna de Santa Rosa area northeast of Graton 20 Comment
  CAS-BOT-BC57645  Equisetum telmateia Peter Rubtzoff 1955-4-9 1769 Sonoma Forestville Marsh Comment
  RSA216112  Equisetum telmateia var. braunii Peter Rubtzoff 1957-4-28 3288 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC312697  Eragrostis Peter Rubtzoff 1970-9-2 6357 Sonoma Russian River bottom at Mirabel Park. Comment
  UC1025040  Eragrostis cilianensis Leo Whitney 1935-10-2 3634 Sonoma Santa Rosa Comment
  RSA0023078  Eragrostis hypnoides Peter Rubtzoff 1965-8-16 5599 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  CAS-BOT-BC182770  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1963-9-28 5277 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  UC1146673  Eragrostis mexicana subsp. virescens Freed W. Hoffman 1943-9-14 2166 Sonoma near Guerneville; North Coast Ranges, near Guerneville Comment
  UCD63537  Eragrostis mexicana subsp. virescens Freed W. Hoffman 1943-9-14 2166 Sonoma Near Guerneville. Comment
  CAS-BOT-BC284192  Eragrostis pectinacea var. pectinacea G. DeNevers 1981-6-26 1660 Sonoma Pippindale Garden, Pepperwood Ranch Comment
  CAS-BOT-BC284194  Eragrostis pectinacea var. pectinacea John Thomas Howell 1957-9-26 32980 Sonoma Russian River bottom near Guerneville Comment
  RSA785230  Erechtites glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 mi SE of Guerneville. Comment
  RSA169314  Eremocarpus setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 miles NE of Penngrove. 427 Comment
  UC1563955  Eremocarpus setiger Barbara Ertter 1988-11-5 8033 Sonoma point below Little Flat parking area (w of bridge, ca 5 air mi due s of Cloverdale); Lake Sonoma 152 Comment
  UC17604  Eremocarpus setiger H. N. Bolander 1860-9-18 440 Sonoma Cloverdale Comment
  RSA121646  Ericameria arborescens subsp. arborescens J. B. Spring 1932-7-7 97 Sonoma 2/5 mile SW of Veeder Mt. 610 Comment
  SD40106  Ericameria ericoides subsp. ericoides Edith A. Purer 1932-7-24 Sonoma Bodega Bay Comment
  CAS-BOT-BC293630  Erigeron biolettii Volney Rattan 1877-6-17 s.n. Sonoma Guerneville Comment
  UCD131901  Erigeron foliosus var. hartwegii Ann F. Johnson 1979-7-2 s.n. Sonoma Bodega Dunes State Park. Comment
  CHSC319  Erigeron glaucus A. Small 1954-6-4 Sonoma Doran Park. 15 Comment
  UCR143599  Erigeron glaucus G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  UCSB50241  Erigeron glaucus Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach; T6n R11W 18 Comment
  CAS-BOT-BC300306  Erigeron supplex A. G. Vestal 1937-6-18 s.n. Sonoma 1.7 mi n. of Stewarts Point P. O. Comment
  RSA0081676  Eriogonum cedrorum Roger Raiche 1984-6-23 40234 Sonoma The Cedars, 5 miles N of Cazadero on King Ridge Road, headwaters Big Austin Creek, above tributary creek referred to locally as Azalea Creek (NE fork before Layton Mine bldgs.). 549 Comment
  CAS-BOT-BC259267  Eriogonum latifolium Mrs. H. P. Bracelin 1930-7-27 24 Sonoma Two miles north of Bodega Bay Comment
  SD22292  Eriogonum latifolium John Thomas Howell 1930-7-27 5415 Sonoma Marine bluff, 4 miles north of Bodega Bay Comment
  SEINET6894807  Eriogonum latifolium W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma 5 miles north of Fort Ross. Comment
  CAS-BOT-BC259469  Eriogonum luteolum R. F. Hoover 1965-6-29 9476 Sonoma North of summit on Harrison Grade road near Occidental Comment
  CAS-BOT-BC259470  Eriogonum luteolum Lewis S. Rose 1955-7-11 55112 Sonoma 2 mi. e. of Occidental 243 Comment
  CAS-BOT-BC259476  Eriogonum luteolum F. G. Krauss 1893-10-8 s.n. Sonoma K. Ranch Comment
  POM188345  Eriogonum luteolum Marcus E. Jones 1931-7-5 28828 Sonoma The Geysers. Comment
  CAS-BOT-BC261684  Eriogonum nudum var. nudum C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  CAS-BOT-BC261682  Eriogonum nudum var. nudum A. A. Heller 1902-7-8 5814 Sonoma Near Healdsburg Comment
  CAS-BOT-BC261686  Eriogonum nudum var. nudum Walter Knight; Irja Knight 1963-9-1 132 Sonoma Sulphur Creek Rd, 1 mi from US 101, Cloverdale Comment
  CAS-BOT-BC261698  Eriogonum nudum var. nudum David L. Morgan 1955-7-28 s.n. Sonoma 5 miles west of Petaluma Comment
  RSA393332  Eriogonum nudum var. nudum Christopher Davidson 1977-6-20 6022 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  UCD100592  Eriogonum nudum var. nudum Frederica Bowcutt 1994-6-25 1907 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. About 1/4 N of Vista Trailhead along Gray Pine Trail, large road cut adjacent to Gray Pine Trail immediately E of Sonoma Creek. 414 Comment
  CAS-BOT-BC253067  Eriogonum roseum Helen D. Geis 1902-1-1 s.n. Sonoma Cloverdale Comment
  SD133986  Eriogonum vimineum Greg de Nevers 1986-9-10 8110 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 99 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
  JEPS79447  Eriophyllum lanatum var. achilleoides Edward Lee with W. A. Setchell 1936-6-7 2186 Sonoma s ridge Fire Trail Bohemian Grove (Bohemian Grove) Comment
  UC507059  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-5-20 E 25 Sonoma 3.5 mi from Healdsburg (between Santa Rosa and) Comment
  UC632732  Eriophyllum lanatum var. achilleoides H. L. Mason 1934-4-28 8075 Sonoma 4 mi w Healdsburg (Jensen's Ranch); Head of Dohrman Creek Comment
  SEINET11844594  Eriophyllum lanatum var. achilleoides F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -239 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC301282  Eriophyllum lanatum var. arachnoideum C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  CAS-BOT-BC301284  Eriophyllum lanatum var. arachnoideum G. DeNevers 1981-5-2 915 Sonoma Pepperwood Ranch Comment
  SEINET7075546  Eriophyllum lanatum var. arachnoideum 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-BC302015  Eriophyllum staechadifolium Robert M. King 1980-7-8 8412 Sonoma Generally 2 miles north of Bodega Bay Comment
  RSA655455  Eriophyllum staechadifolium Beecher Crampton 1955-6-17 2972 Sonoma State Hwy. 1, 4 miles south of Fort Ross Comment
  UCD131633  Eriophyllum staechadifolium Frederica Bowcutt 1984-6-23 432 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. North of Gerstle Cove approx. 1/2 mile. 15 Comment
  UCD165124  Erodium Peter Rubtzoff 1974-4-17 7372 Sonoma Upper Green Valley Marsh area. Comment
  RSA789043  Erodium Carrie A. Herd 1982-3-16 28 Sonoma Santa Rosa, Todd Road Preserve Comment
  CDA34797  Erodium moschatum Peter Warner 2010-3-29 124 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  JEPS117128  Erodium moschatum Peter Warner 2010-3-29 124 Sonoma 1670 Bloomfield Road, approx. 3 km S of center Sebastopol, throughout property. Comment
  UC1745772  Eryngium Annetta M. Carter 1934-4-29 509 Sonoma 1 mi. W of Two Rock Junction on rd. to Tomales. Comment
  RSA0039520  Eryngium aristulatum G. Fred Hrusa, A. Buckmann 1996-10-5 13582 C Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Road +/- 2 m. SW of Calistoga. 700 Comment
  SBBG27238  Eryngium aristulatum var. aristulatum A. Eastwood, J. T. Howell 1936-5-19 2510 Sonoma 2 mi N ofWindsor Comment
  UC1365624  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1966-4-17 5682 Sonoma e. Graton (between Occidental and Guerneville rds., Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  UC1365625  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1966-8-25 5805 Sonoma e. Graton (between Occidental and Guerneville rds, Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  UC1487266  Eryngium aristulatum var. aristulatum Yusuf Sheikh and Peter Rubtzoff 1971-7-20 502 Sonoma w. Santa Rosa (at junction of State Hwy. 12 & Wright Rd.) Comment
  UC420513  Eryngium aristulatum var. aristulatum V. King Chesnut 1887-7 Sonoma Santa Rosa Comment
  RSA93411  Eryngium aristulatum var. aristulatum Milo S. Baker 1954-8-12 13036 Sonoma Coney Lake Kenwood on Coney Ranch Comment
  UC584212  Eryngium armatum David D. Keck and J. Clausen 1935-6-15 3369 Sonoma 1 mi. n. Salmon Creek Comment
  UCD127467  Eryngium constancei G. F. Hrusa; R. Gross 1996-10-5 13582 -C Sonoma summit of Mayacmas Range at west end of Diamond Mountain Road. Approx. 2 miles southwest of Calistoga. 700 Comment
  CAS-BOT-BC54721  Erysimum concinnum Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point. Comment
  POM143108  Erysimum concinnum A. A. Heller, H. E. Brown 1902-5-27 5607 Sonoma Bodega Bay Comment
  UC117685  Erysimum concinnum Alice Eastwood 1900-7-4 Sonoma Bodega Point Comment
  SD40057  Erythranthe grandis Edith A. Purer 1932-7-24 4087 Sonoma Near Bodega Bay, moist place in sand dunes Comment
  CAS-BOT-BC383154  Erythranthe guttata David B. Lowry 2005-5-10 OCC Sonoma East of Occidental at corner of Occidental Road and Facendini Lane 260 Comment
  CAS-BOT-BC153628  Erythranthe inodora Peter Rubtzoff 1955-7-10 1950 Sonoma Duncans Mills Marsh 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
  UC1299356  Erythronium californicum Freed W. Hoffman 1947-4-20 1866 Sonoma near Mercury (Geysers to Healdsburg); North Coast Ranges Comment
  CAS-BOT-BC502686  Erythronium californicum D E Breedlove 1976-3-27 39 .454 Sonoma Streambank along Dry Creek, ca. 7 miles west of Warm Springs Dam Comment
  CAS-BOT-BC110557  Eschscholzia John H. Thomas 1969-4-28 14929 Sonoma Duncan's Mill between the coast and Guerneville. Comment
  CAS-BOT-BC402865  Eschscholzia caespitosa Catherine Best 1982-4-17 s.n. Sonoma Bohemian Hwy about 5 miles north of Occidental Comment
  SEINET7067266  Eschscholzia californica A. G. Vestal 1947-5-13 s.n. Sonoma North of Salmon Creek. Coordinate datum: NAD27. UTM 10, 494344mE, 4245376mN. Comment
  UCR45080  Eschscholzia californica L. F. LaPre 1986-7-29 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  CAS-BOT-BC403707  Eschscholzia californica W. M. Hiesey 1948-8-19 s.n. Sonoma 0.2 mi. north of Pigeon Point Lighthouse Comment
  UCSB50224  Eschscholzia californica Gray, John 1976-5-1 Sonoma Bluffs on Duncan's Landing peninsula, Sonoma Coast State Beaches, T6N RllW 15 Comment
  UC635624  Euonymus occidentalis var. occidentalis H. L. Mason 1925-11-26 2497 Sonoma stream bank near Monte Rio Comment
  CAS-BOT-BC540842  Euphorbia Peter Rubtzoff 1973-10-10 s.n. Sonoma Americano Creek area, ca 2 mi. W of Bloomfield Comment
  UC110453  Euphorbia crenulata Katharine Brandegee Jun 1905 Sonoma Bodega Comment
  CDA19933  Euphorbia oblongata S. Opbroek 2002-6-27 PDR P 092645 Sonoma Northern California; 13799 Occidental Rd, Sebastopol. 0 Comment
  RSA0065155  Eurybia radulina Greg de Nevers 1997-8-17 11078 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. Oak Hill Ranch. 100 Comment
  UC1299460  Eurybia radulina Freed W. Hoffman 1947-7-30 1409 Sonoma near Guerneville Comment
  UCR255523  Euthamia occidentalis Peter Rubtzoff 1956-9-15 2915 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC310742  Euthamia occidentalis Walter Knight; Irja Knight 1963-9-12 248 Sonoma Bridge on Magnolia Ave. near Thompson Lane, Petaluma Comment
  CAS-BOT-BC371449  Festuca Greg de Nevers 1998-6-10 11279 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  CAS-BOT-BC371457  Festuca Greg de Nevers 1989-4-1 9062 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  JEPS128381  Festuca californica Roger Raiche 2000-5-5 085 .00 Sonoma The Cedars. Danfield Creek, Leona's Cabin Site. Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC283187  Festuca californica subsp. californica G. DeNevers 1981-6-6 1450 Sonoma Franz Valley Road, Pepperwood Ranch Comment
  CAS-BOT-BC278395  Festuca elmeri K. Wagnon 1939-5-22 217 Sonoma Top of Wagnon rock quarry, five miles west of Sebastopol Comment
  JEPS128349  Festuca myuros Roger Raiche 2000-4-8 030 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC278888  Festuca occidentalis K. Wagnon 1939-5-14 195 Sonoma Near Wagnon home about five miles west of Sebastopol Comment
  SEINET10559306  Festuca occidentalis A. Arthur Heller 1902-4-4 Heller 5221 Sonoma Hills near Santa Rosa. Comment
  UCD66272  Festuca roemeri A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3569 Sonoma 9.1 miles northwest of Santa Rosa. Comment
  CAS-BOT-BC279078  Festuca rubra Peter Rubtzoff 1951-9-15 758 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  RSA285079  Filago pyramidata J. T. Howell 1976-4-26 51595 Sonoma Hills E o Geyserville on road to Geysers Comment
  UC917286  Fragaria chiloensis R. H. Miller 1949-4-6 25 Sonoma approx. 5 mi S of Jenner (Route 1) Comment
  CAS-BOT-BC455954  Fragaria chiloensis A. A. Heller; H. E. Brown 1902-3-29 5186 Sonoma Bodega Bay Comment
  UCD112540  Frangula californica Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-29 92 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC53269  Frangula californica subsp. californica Volney Rattan 1877-6-16 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC218582  Fraxinus latifolia H. E. McMinn 1922-6-1 s.n. Sonoma Petrified Forest Comment
  CAS-BOT-BC218584  Fraxinus latifolia Peter Rubtzoff 1957-6-28 3394 Sonoma Duncans Mills Marsh Comment
  CDA29319  Fraxinus latifolia D. G. Kelch 2007-10-16 7 .644 Sonoma Novato. Novato Creek nr Pioneer Park. 0 Comment
  JEPS42908  Fremontodendron californicum E. L. Greene 1912-6-21 Sonoma Glass Hill, Cazadero Comment
  CAS-BOT-BC130183  Fritillaria affinis J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC130359  Fritillaria liliacea Anita Noldeke 1940-4-1 s.n. Sonoma Near Sebastopol Comment
  UC72491  Fritillaria liliacea Milo S. Baker 1898-4 Sonoma near Santa Rosa Comment
  CAS-BOT-BC130454  Fritillaria purdyi Milo S. Baker 1927-4-22 s.n. Sonoma Mt. St. Helena 853 Comment
  CAS-BOT-BC130452  Fritillaria purdyi Milo S. Baker 1926-4-10 163 a-Son.Ser Sonoma The Crater 3 mi. south St. Helena Inn Comment
  JEPS55676  Fritillaria recurva Wayne Roderick 1968-3-24 Sonoma Cavedale Road 274 Comment
  CAS-BOT-BC508138  Fritillaria recurva Roger Raiche 1985-4-6 50176 Sonoma West of Healdsburg, ridge on west side of Dry Creek Valley, north of Dorman Canyon up to Bradford Mt. 243 Comment
  RSA264725  Galium aparine Peter Rubtzoff 1955-5-21 1862 Sonoma Forestville Marsh. Comment
  JEPS52861  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3900 Sonoma 3.8 mi n Occidental Comment
  JEPS52892  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3902 Sonoma 4.8 mi n Cazadero (on King Mt. Rd.) Comment
  SBBG28783  Galium californicum subsp. californicum J. T. Howell 1930-7-27 5406 Sonoma 1 mi N of Fort Ross Comment
  POM63227  Galium divaricatum Michener, Bioletti 1892-7-1 s.n. Sonoma Hood's Peak Comment
  RSA47803  Galium divaricatum Roxana S. Ferris, Laura Lorraine 1948-6-9 11661 Sonoma 1 miles from Geyserville on road to Kellogg. Comment
  UCD151154  Galium nuttallii James A. Neilson Jr. 1973-6-7 3563 Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  RSA67138  Galium porrigens J. T. Howell 1930-6-8 5263 Sonoma 1 mile east of Bodega Bay Comment
  JEPS128270  Galium porrigens var. porrigens Roger Raiche 2000-4-8 023 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA264733  Galium trifidum Peter Rubtzoff 1962-10-9 5108 Sonoma Brooks Gulch Marsh. Comment
  RSA264751  Galium trifidum Peter Rubtzoff 1958-7-5 3746 Sonoma Atascadero Creek Marsh. Comment
  OBI35972  Galium triflorum David J. Keil 1983-6-29 17198 Sonoma Ca 10 mi SE of Ft Ross along hwy 1 Comment
  CAS-BOT-BC304343  Gamochaeta pensylvanica Greg de Nevers 1993-5-30 10463 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd 457 Comment
  CAS-BOT-BC199066  Garrya elliptica C. B. Wolf; E. R. Johnson 1934-10-13 6180 Sonoma 9 mi. N of Ft. Ross on Coast Rd. to Stewarts Pt. 45 Comment
  UCD121107  Garrya elliptica W. Robert Powell 1978-6-22 2695 Sonoma Along State Highway 1 at Miller Creek, ca. 1 mile southwest of Plantation. 15 Comment
  CDA11139  Garrya fremontii G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11550 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Comment
  UCSB4684  Garrya fremontii Keator, Glenn 1959-4-2 Sonoma slopes of St. Helena; 9.1 miles north of Calistoga Comment
  UCD66549  Gastridium phleoides Beecher Crampton 1964-8-18 7147 Sonoma N.e. Sonoma County: The Geysers, Big Sulphur Creek. Comment
  UC971691  Gastridium ventricosum Leo Koch 1940-4-22 837 Sonoma above Sulfur Creek Geysers; above Sulfur Creek Geysers Comment
  SEINET8718700 Image available Gastridium ventricosum Leo Koch 1940-1 837 Sonoma above Sulfur Creek Geysers Comment
  UC1191687  Gentiana sceptrum Herbert L. Mason 1946-7-4 12891 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  CDA34813  Geranium dissectum Peter Warner 2010-3-29 178 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  SBBG3929  Geranium potentilloides H. and M. Dearing 1939-5-14 3350 Sonoma near coast on Russian River Comment
  SEINET12329984  Gilia capitata F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -229 Sonoma end of Stoetz Road 200 Comment
  UC52683  Gilia capitata subsp. capitata Milo S. Baker 1898-6-1 593 Sonoma Santa Rosa Cemetary Comment
  CAS-BOT-BC225278  Gilia capitata subsp. chamissonis Peter Rubtzoff 1955-8-20 2071 Sonoma Bodega Harbor Marsh Comment
  RSA178597  Gilia capitata subsp. chamissonis Roxana S. Ferris 1932-5-27 8259 Sonoma Upper Bodega Bay Comment
  RSA83145  Gilia capitata subsp. tomentosa Verne Grant, Alva Grant 1948-7-7 8599 Sonoma 3.7 miles south of Fort Ross on Hwy 1 Comment
  UC1299519  Gilia tricolor subsp. tricolor Freed W. Hoffman 1947-4-3 879 Sonoma near Guerneville (headwaters of Fife Creek on road to Austin Ranch); North Coast Ranges, Fife Creek, near Guerneville Comment
  UC518025  Glebionis segetum Lewis S. Rose 1933-5-9 33154 Sonoma Bodega Bay Comment
  CAS-BOT-BC227652  Glyceria Peter Rubtzoff 1964-6-24 5379 Sonoma Coleman Marsh. Comment
  SEINET10849959  Glyceria P. Rubtzoff, Arnaud, P. 1966-5-7 Rubtzoff 5707 Sonoma North side of Hessel Road, just west of Hwy. 116. Comment
  RSA177984  Glyceria declinata R. F. Thorne 1965-4-19 34293 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  RSA786497  Glyceria declinata Peter Rubtzoff 1971-6-26 6573 Sonoma Willow Creek Marsh. Comment
  UCD166088  Glyceria declinata Peter Rubtzoff 1971-6-26 6573 Sonoma Willow Creek Marsh. Comment
  RSA126635  Glyceria leptostachya H. S. Yates 1937-5-30 6554 Sonoma 1.5 miles E. of Occidental. 91 Comment
  UCD57076  Glyceria leptostachya B. Crampton 1955-6-17 2937 Sonoma 1/2 mile south of Guerneville. Comment
  UCR282047  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5379 Sonoma Coleman Marsh 269 Comment
  UCD165005  Gnaphalium Peter Rubtzoff; Nancy Harrison 1974-9-7 7883 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  CAS-BOT-BC164700  Gnaphalium Peter Rubtzoff 1966-8-29 5815 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC173576  Gnaphalium Peter Rubtzoff 1968-8-18 5931 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC166699  Gnaphalium chilense Peter Rubtzoff 1962-7-28 5016 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  CAS-BOT-BC166792  Gnaphalium palustre Peter Rubtzoff 1962-9-30 5102 Sonoma Vacation Beach, 2 miles below Guerneville. Comment
  CAS-BOT-BC166794  Gnaphalium palustre Peter Rubtzoff 1958-7-5 3727 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC164669  Gnaphalium purpureum Peter Rubtzoff 1960-5-22 4413 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC164670  Gnaphalium purpureum Peter Rubtzoff 1953-5-17 1399 Sonoma Forested hills south of Guerneville (Neeley Hill area). 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
  SEINET8726299 Image available Godetia amoena Calvin, Phyllis McMillan 1951-1 1552 Sonoma with Ceanothus Jepsoni, Quercus durata, and Photinia arbutifolia; Northwest of Cloverdale on road to Boonville, ca. 1 mile east of Mendocino-Sonoma County line, Sonoma County. 335 Comment
  UCD166115  Gratiola Peter Rubtzoff 1972-5-25 6756 Sonoma Laguna, Chileno Valley. Comment
  JEPS4240  Gratiola ebracteata W. L. Jepson 1921-5-6 9193 Sonoma Sonoma Valley 30 Comment
  UCR242983  Gratiola ebracteata Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  CAS-BOT-BC164093  Grindelia Peter Rubtzoff 1963-6-6 5171 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  UCD148466  Grindelia camporum Peter Rubtzoff 1963-7-14 5205 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  UCR280127  Grindelia camporum Peter Rubtzoff 1964-7-7 5392 Sonoma Laguna de Santa Rosa, east of Graton 23 Comment
  CAS-BOT-BC305183  Grindelia hirsutula F. T. Bioletti 1891-1-1 s.n. Sonoma Glen Ellen Comment
  SBBG45076  Grindelia hirsutula H. E. and S. T. Parks -Nov-1929 411 Sonoma Tubbs Island, sea level Comment
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Feb 9 2015
  UC32138  Grindelia hirsutula F. T. Bioletti 1891-1 Sonoma Glen Ellen Comment
  CDA20573  Grindelia stricta R. Breckenridge, Vernon 2005-8-2 PDR 1351652 Sonoma North Coast; Hwy 1 near Ft Ross. 0 Comment
  CAS-BOT-BC361294  Habenaria Greg de Nevers 1993-8-30 10493 Sonoma Field redacted by CAS, contact the data manager for more information 457 Comment
  HSC94161  Hainardia cylindrica Gordon Leppig 2000-5-6 1345 Sonoma Austin Creek Trail. 177 Comment
  UCD85145  Hainardia cylindrica Beecher Crampton 1957-7-11 4323 Sonoma in Sonoma Coast State Park, about 0.8 mile north of Salmon Creek, along State Hwy. 1. Comment
  JEPS85605  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
  JEPS7068  Helenium bigelovii Peter Kamb 1950-6-16 1850 Sonoma 1 mi n Sousa Corners (n of Sebastopol, about springy bog toward s end of marsh); Pitkin Marsh 60 Comment
  CAS-BOT-BC306765  Helenium bigelovii Milo S. Baker 1927-6-9 2217 b Sonoma About Kenwood Comment
  CAS-BOT-BC262955  Helenium puberulum Peter Rubtzoff 1961-6-23 4645 Sonoma Bennett Mountain Lake. Comment
  SEINET11842951  Helianthella californica F. H. Utech 1986-1 86 -113 Sonoma ca 5 mi NE on Cavedale Road from junction with CA 12 500 Comment
  CAS-BOT-BC314741  Helianthella californica var. californica G. De Nevers 1982-5-2 1978 Sonoma Along road on ridge above Hansel's Lake, Pepperwood Ranch Natural Preserve Comment
  RSA80308  Helianthemum scoparium var. vulgare Anonymous 1947-5-30 11770 Sonoma Southwest slope of Hood Mt. in chaparral burn Comment
  CAS-BOT-BC305580  Helianthus bolanderi R. Bacigalupi 1948-3-6 2583 Sonoma The Geysers, just above the resort Comment
  JEPS67991  Heliotropium curassavicum Milo S. Baker 1923-8-26 440 Sonoma Russian R. bed near Geyserville; Russian R. Comment
  SEINET1782495  Heliotropium oculatum A. A. Heller 1902-7-8 5813 Sonoma Russian river at Healdsburg. Comment
  CAS-BOT-BC262968  Hemizonia Peter Rubtzoff 1970-9-3 6379 Sonoma Marsh off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek. Comment
  CAS-BOT-BC257144  Hemizonia Peter Rubtzoff 1959-6-13 4115 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC262816  Hemizonia Peter Rubtzoff 1956-9-24 2943 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC305997  Hemizonia Peter Rubtzoff 1969-7-25 6122 Sonoma Vernal pool area, 6.5 miles northeast of Penngrove on Lichau Road. 426 Comment
  POM362216  Hemizonia Christopher Davidson 1977-6-20 6009 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  RSA796177  Hemizonia Peter Rubtzoff 1966-8-25 5804 Sonoma Marshes: Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  RSA800069  Hemizonia Peter Rubtzoff 1973-9-9 7306 Sonoma Kenwood Marsh. Comment
  UCD166494  Hemizonia Peter Rubtzoff 1964-8-26 5491 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road. 213 Comment
  RSA1110  Hemizonia clevelandii E. R. Johnson 1928-8-22 1111 Sonoma Cloverdale Comment
  CAS-BOT-BC306128  Hemizonia congesta subsp. clevelandii E. R. Johnson 1928-8-22 1111 Sonoma Cloverdale Comment
  CAS-BOT-BC306235  Hemizonia congesta subsp. congesta Peter Rubtzoff 1951-6-17 266 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  SD53396  Hemizonia congesta subsp. congesta Darley F. Howe 1962-7-29 3364 Sonoma 4.3 miles north of Jenner on Highway 1. Comment
  SEINET7067333  Hemizonia congesta subsp. congesta 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
  UCSB15710  Hemizonia congesta subsp. congesta Breedlove, Dennis 1961-12-31 Sonoma 2.3 miles south of Russian River on State Highway 1 30 Comment
  CAS-BOT-BC309668  Hemizonia congesta subsp. lutescens John I. Carlson 1917-7-23 s.n. Sonoma Preston Comment
  CAS-BOT-BC309671  Hemizonia congesta subsp. lutescens A. A. Heller 1902-8-20 6054 Sonoma At Sebastopol Comment
  CAS-BOT-BC309720  Hemizonia congesta subsp. lutescens David D. Keck; J. Clausen 1935-6-15 3371 Sonoma 1 mile N. of mouth of Salmon Creek Comment
  CAS-BOT-BC309726  Hemizonia congesta subsp. lutescens Roxana S. Ferris; Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental Road with Facendini Lane Comment
  JEPS86293  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1989-6-6 1019 Sonoma n side of intersection of Facindini Ln. and Occidental Road Comment
  UC483683  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-9 5746 Sonoma 1 mi e Occidental Comment
  CAS-BOT-BC309707  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 715 Sonoma 2 miles south of Santa Rosa on road to Petaluma Comment
  CAS-BOT-BC309715  Hemizonia congesta subsp. lutescens Ella Dales Cantelow 1941-6-7 3575 Sonoma State Hy. 1, 4 mi. n. of Bay Comment
  UC1301039  Hemizonia congesta subsp. lutescens Helen K. Sharsmith 1963-5-25 5484 Sonoma 152 Comment
  UC897703  Hemizonia congesta subsp. lutescens Milo S. Baker 5718 Sonoma Comment
  CAS-BOT-BC309945  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 miles ne. of Penngrove 426 Comment
  CHSC107539  Hemizonia congesta subsp. luzulifolia D. G. Kelch; Troy McGregor 2010-8-22 10 .352 Sonoma Nr Peak of Geyser Peak Rd. Comment
  UC990612  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-5-29 Sonoma summit between Geyserville and The Geysers Comment
  UC990626  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1910-6-8 Sonoma valley across hills from Petaluma Comment
  UCD55333  Hemizonia congesta subsp. luzulifolia Ellen Dean 2006-6-28 3177 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. East side of Pepperwood Reservoir. 150 Comment
  CAS-BOT-BC309962  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-8-7 699 Sonoma Callistoga [Calistoga] Road, 7 miles from Santa Rosa Comment
  CAS-BOT-BC309964  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-8-8 706 Sonoma Sonoma Comment
  RSA81661  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-8-8 706 Sonoma Sonoma. Comment
  UCSB16906  Hemizonia multicaulis Dennis E. Breedlove 1961-12-31 1437 Sonoma collected 2.3 mi S, along State Highway 1 Russian River - , and State Highway 1 30 Comment
  UC174206  Heracleum lanatum Katharine Brandegee June, 1905 Sonoma Bodega Comment
  SEINET12121673  Heracleum lanatum F. H. Utech 1986-1 86 -126 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 200 Comment
  OBI7228  Hesperocyparis sargentii Robert F. Hoover 1968-2-23 10895 Sonoma Harrison Grade road near summit Comment
  OBI7233  Hesperocyparis sargentii Lewis S. Rose 1955-7-11 55113 Sonoma 2 mi E of Occidental 244 Comment
  RSA151834  Hesperolinon micranthum H. K. Sharsmith 1947-5-30 3965 Sonoma Southern slope of Hood Mountain, volcanic rock, altitude 800 feet, near Grant line. 244 Comment
  UCD110535  Hesperolinon micranthum Frederica Bowcutt 1994-5-21 1817 Sonoma About 40 air miles N of San Francisco; ~ 11 air miles E of Santa Rosa; ~ 18 air miles NW of Napa; ~ 1.5 air miles NE of Kenwood. Along the Meadow Trail ~3/4 mile from the trail head, east from trail up ~ 100 yds. 411 Comment
  CAS-BOT-BC123115  Hesperolinon spergulinum Henry Nicholas Bolander 1867-6-1 6568 Sonoma Cloverdale Comment
  CAS-BOT-BC361350  Hesperolinon spergulinum Greg de Nevers 1997-4-24 10960 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS27962  Hesperolinon spergulinum Rimo Bacigalupi and L. R. Heckard 1961-6-9 7745 Sonoma along Stoetz Lane about 1/2 mi nw junction with Harrison Grade road (about 3/4 mi nw of Occidental School) 228 Comment
  UC1212389  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-23 4166 Sonoma 12.2 mi w Skaggs Springs (Stewarts Point road); Inner North Coast Ranges 579 Comment
  CAS-BOT-BC149830  Heteromeles arbutifolia Walter Knight; Irja Knight 1963-9-1 140 Sonoma Pine Mt. Rd - NE of Cloverdale, Harold Smith Ranch Comment
  CAS-BOT-BC149832  Heteromeles arbutifolia Peter Rubtzoff 1952-6-15 1268 Sonoma Fitch Mtn. Grove, near Healdsburg Comment
  CAS-BOT-BC149836  Heteromeles arbutifolia A. A. Heller 1902-7-8 5815 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC310984  Heterotheca grandiflora Freed Hoffman 1943-12-1 s.n. Sonoma Northwood, Russian River near Guerneville Comment
  UC75939  Heterotheca oregona var. oregona Miss M. Alice King 1897-10-1 Sonoma near Healdsburg; Dry Creek Comment
  CAS-BOT-BC420941  Heuchera micrantha var. diversifolia Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Rd. 9 miles east of Stewarts POint Comment
  RSA0063143  Heuchera micrantha var. hartwegii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  RSA0063153  Heuchera micrantha var. hartwegii A. A. Heller 1902-6-24 5756 Sonoma Near Burke s Sanitarium. Comment
  POM253357  Heuchera pilosissima A. A. Heller 1938-5-14 s.n. Sonoma S end of Bodega Bay Comment
  RSA0062989  Heuchera pilosissima A. A. Heller 1938-5-14 15085 Sonoma Near the south end of Bodega Bay. Comment
  CDA12904  Hierochloe occidentalis G. F. Hrusa, R. Gross, F. Luna 1996-3-29 12738 Sonoma North Coast Biodiversity Arena; Upper shaded slopes of Neeley Hill. S end of Neeley Rd. approx. 2 m. S of Guerneville and 3 m. N of Bohemian Grove on Russian River. Perennial, bunching. Uncommon here. Comment
  UC39803  Hierochloe occidentalis J. Burtt Davy 1896-7-21 Sonoma near Duncan's Mills Comment
  CAS-BOT-BC55453  Hirschfeldia incana Mary P. Wells 1981-7-1 s.n. Sonoma Goat Rock State Beach. Comment
  UC1222394  Hoita macrostachya Joseph P. Tracy 1951-7-28 19628 Sonoma 5 mi e Geyserville; Alexander Valley Comment
  POM252698  Hoita macrostachya Michener, Bioletti 1893-7-31 2504 Sonoma Adobe Canyon Comment
  SEINET11843924  Holocarpha virgata W. Knight, Knight, I. 1988-1 6340 Sonoma Kortum Canyon, at county line 351 Comment
  POM139648  Holodiscus discolor Willie Randall 1898-06 607 Sonoma Near Sebastopol. Comment
  POM274868  Holodiscus discolor Lyman D. Benson 1928-6-25 351 Sonoma Cloverdale-Hopland, Russian River. 457 Comment
  CDA10938  Holozonia filipes G. F. Hrusa 1994-6-14 11888 Sonoma North Coast Biodiversity Arena; W of Hogback Mtn. Nathanson Creek, immediately below private dam, approximately 1.5 miles above end of Gehricke Rd. Comment
  UCR244742  Holozonia filipes Peter Rubtzoff 1955-8-27 2095 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  RSA92835  Holozonia filipes Milo S. Baker 1954-8-12 13034 Sonoma Coney Lake; Kenwood, Coney Ranch. 366 Comment
  SD260901  Holozonia filipes Peter Rubtzoff 1971-7-20 6602 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC289285  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1960-5-15 4338 Sonoma Fife Creek Marsh Comment
  UCD85368  Hordeum brachyantherum subsp. brachyantherum Beecher Crampton 1955-4-5 2401 Sonoma 2 miles north of Healdsburg, along US Highway 101. Comment
  CAS-BOT-BC289539  Hordeum brachyantherum subsp. californicum Roxana S. Ferris; Laura Lorraine 1961-6-14 13545 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UCD38689  Hordeum brachyantherum subsp. californicum Beecher Crampton 1957-5-16 4036 Sonoma 3 miles SW of Cloverdale, Hot Springs Road. Comment
  SEINET10927332  Hordeum jubatum Alan A. Beetle, G. Ledyard Stebbins Beetle 3577 Sonoma Corner of Wright Road & Rt. 12 in outskirts of Santa Rosa, open field, clay loam. Comment
  CAS-BOT-BC285195  Hordeum marinum subsp. gussoneanum Peter Rubtzoff 1951-7-7 384 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  RSA785737  Hordeum marinum subsp. gussoneanum Carrie A. Herd 1982-5-15 114 Sonoma Rohnert Park Comment
  POM35453  Horkelia californica A. A. Heller 1902-6-27 5783 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC536155  Horkelia californica David D. Keck 1944-7-11 5516 Sonoma 1 mile south of bridge across mouth of Russian River, 1/2 mile from ocean 22 Comment
  CAS-BOT-BC536168  Horkelia californica var. elata Volney Rattan 1877-6-23 s.n. Sonoma Healdsburg Comment
  CDA1446  Hydrilla verticillata Brad Oliver 1984-9-2 Sonoma Spring Lake Park, Santa Rosa. 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-BC401003  Hypericum anagalloides Walter Knight; Irja Knight 1963-9-1 135 Sonoma Marsh near highest summit of Harold Smith Ranch on Pine Mt Rd NE of Cloverdale 731 Comment
  CAS-BOT-BC316685  Hypochaeris glabra Greg de Nevers 1981-4-23 798 Sonoma Pepperwood Ranch Comment
  HSC13851  Iris douglasiana H. E. Parks, S. T. Parks 1930-5-9 619 Sonoma Head of Alexander Valley Comment
  UCD138707  Iris douglasiana Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 40 A Sonoma Unit 2 Owners' Map, Sea Ranch. Comment
  RSA261388  Iris fernaldii Johann D. Watjen 1969-4-27 22 Sonoma Adobe Canyon, 3 miles east of Highway 12, 11 miles north of Sonoma Comment
  CAS-BOT-BC354327  Iris longipetala Peter Rubtzoff 1957-9-1 3526 Sonoma Duncans Mills, near Orrs Creek between Highway 12 crossing and Russian River. Comment
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Apr 18 2020
  UCR254886  Iris longipetala Peter Rubtzoff 1957-9-1 3526 Sonoma Duncan Mills, near Orrs Creek between Highway 12 crossing and Russian River 8 Comment
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Apr 18 2020
  JEPS128343  Iris macrosiphon Roger Raiche 2000-4-7 021 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SDSU11754  Iris macrosiphon D. F. Howe 1963-5-23 3526 Sonoma 3.8 miles north of Cloverdale on #128 335 Comment
  RSA488797  Iris macrosiphon James L. Reveal 1988-6-1 6975 Sonoma Along Geysers Road, 13.2 mile north of California Highway 128 and 14.8 miles east of U.S. Highway 101, 0.8 mile south of the turnoff to Geysers Resort, about 16.5 miles east of Cloverdale 640 Comment
  UCD138779  Iris macrosiphon G. E. Kerley 1966-4-3 66- 15 Sonoma Trinity Road, 3.7 miles northeast of State Highway 12. 914 Comment
  CAS-BOT-BC182769  Isoetes Peter Rubtzoff 1971-6-5 6514 Sonoma Dry bed of vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  JEPS52323  Isoetes howellii Wayne Roderick April, 1965 Sonoma e. Cotati (on Rivers Ranch, Sonoma Mts.); Sonoma Mts., Rivers Ranch 304 Comment
  UCD84101  Isoetes howellii Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  CAS-BOT-BC61916  Isoetes nuttallii John Thomas Howell 1937-6-6 13028 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112389  Isolepis carinata John Thomas Howell; J. W. Stacey 1937-6-6 13027 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112412  Isolepis carinata John Thomas Howell 1957-6-13 32620 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112414  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh near Forestville: Lower part of the Upper Marsh. Comment
  SEINET7589075 Image available Isolepis carinata John Thomas Howell 1937-6-6 13027 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC112573  Isolepis cernua Peter Rubtzoff 1954-8-9 1660 Sonoma Bodega Head Marsh. Comment
  HSC7451  Isolepis cernua A. A. Beetle 1941-7-8 2854 Sonoma 5 mi. S of Stewart's ('Steward') Point 24 Comment
  POM180614  Isolepis cernua J. T. Howell 1930-6-8 5276 Sonoma Salt marsh at north end of Bodega Bay. Comment
  UCR250390  Juncus balticus Peter Rubtzoff 1957-5-11 3333 Sonoma Occidental Marsh Comment
  UC1299319  Juncus bolanderi Freed W. Hoffman 1942-6-15 2131 Sonoma near Guerneville; North Coast Ranges Comment
  UCD141366  Juncus bufonius Frederica Bowcutt 1994-5-21 1840 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles N of Kenwood and 18 air miles NW of Napa. On Hillside Trail 1 mile from junction with Grey Pine Trail. Comment
  UCD141394  Juncus bufonius Gerry North 1993-4 14 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead. Less than 0.2 mile east of park entrance gate. 228 Comment
  RSA94088  Juncus dubius J. T. Howell 1945-7-18 21326 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC227619  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5904 Sonoma Lichan Marsh Comment
  CAS-BOT-BC157985  Juncus effusus subsp. pacificus Peter Rubtzoff 1964-8-26 5479 Sonoma Marsh 5 miles NE of Penngrove on Lichan Road 213 Comment
  CAS-BOT-BC164037  Juncus effusus subsp. pacificus Peter Rubtzoff 1971-7-23 6607 Sonoma Sonoma: Laguna, Chileno Valley Comment
  RSA0015643  Juncus lescurii Peter Rubtzoff 1955-8-20 2080 Sonoma Bodega Harbor Marsh. Comment
  POM110915  Juncus patens Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  JEPS67064  Juncus phaeocephalus var. paniculatus W. L. Jepson 1921-6-2 9304 Sonoma nw of Windsor (and just e of Calhoun ranch) Comment
  UC903171  Juncus phaeocephalus var. phaeocephalus Ethel Crum 1940-5-26 2113 Sonoma Vine Hill North Coast Ranges, Pitkin Marsh Comment
  UCR248905  Kickxia elatine Peter Rubtzoff 1970-7-11 6281 Sonoma Laguna de Santa Rosa northwest of Trenton, at Healdsburg Road crossing 61 Comment
  UCR248737  Kickxia spuria Peter Rubtzoff 1970-9-8 6381 Sonoma marsh on River Road, c. 3 miles west of Fulton 27 Comment
  UC1153919  Koeleria phleoides Beecher Crampton 1957-5-16 4038 Sonoma Hot Springs Road 3 mi sw Cloverdale Comment
  CAS-BOT-BC502599  Kopsiopsis strobilacea Greg de Nevers 1991-7-20 9759 Sonoma Mt. St. Helena 1310 Comment
  CAS-BOT-BC341709  Lagophylla ramosissima James I. McMurphy 1909-5-28 s.n. Sonoma 1 mile west of Santa Rosa Comment
  RSA783730  Lagophylla ramosissima Peter Rubtzoff 1975-8-26 8359 Sonoma Bennett Mountain Lake. Comment
  SBBG612  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mi N of Steward Pt Comment
  POM63142  Lamium amplexicaule A. A. Heller 1902-6-7 5658 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CDA13781  Lamium purpureum G. F. Hrusa, R. Gross 1993-3-14 10528 Sonoma Knights Valley; NW base of Mt. St. Helena, approx. 10 mi. N of Calistoga on Hwy 128. 106 Comment
  JEPS83494  Lasthenia burkei Jack and Betty Guggolz 1985-5-7 832 703 B Sonoma n of Fulton (in the first swale e of the Freeway and s of Shilo Road) Comment
  RSA784684  Lasthenia burkei Mark Elvin 1997-5-7 399 Sonoma Near SE corner of Sonoma Co airport adjacent to main runway. 11 Comment
  RSA784685  Lasthenia burkei Mark Elvin 1997-5-7 397 Sonoma Windsor, E of Starr Rd 1/3 mi S of old Redwood Hwy 10 Comment
  JEPS1129021  Lasthenia californica Dean W. Taylor 1994-5-4 14217 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road 249 Comment
  CAS-BOT-BC346330  Lasthenia californica G. DeNevers 1981-4-16 729 Sonoma Pepperwood Ranch, by Studio Comment
  UC579278  Lasthenia californica subsp. bakeri H. S. Yates 1934-4-21 3787 Sonoma near Bodega 60 Comment
  JEPS86752  Lasthenia californica subsp. californica Jack and Betty Guggolz 1990-4-30 1039 Sonoma 243 Comment
  CAS-BOT-BC324410  Lasthenia californica subsp. macrantha J. Clausen 1935-5-24 1092 Sonoma 6.2 miles south of Jenner Comment
  UCD33794  Lasthenia californica subsp. macrantha Beecher Crampton 1973-5-5 8926 Sonoma Sonoma Coast State Park at Carmet. Comment
  CAS-BOT-BC352755  Lasthenia fremontii John Thomas Howell 1943-5-10 17989 Sonoma 1 mile N of Windsor Comment
  RSA123035  Lasthenia macrantha subsp. bakeri H. S. Yates 1934-4-21 3787 Sonoma Near Bodega 61 Comment
  CAS-BOT-BC370899  Lasthenia minor Peter Rubtzoff 1960-5-18 4376 Sonoma Bodega Head Marsh. Comment
  UC135327  Lasthenia minor Katharine Brandegee 1905-6-1 Sonoma Bodega Comment
  POM54989  Lasthenia minor A. A. Heller, H. E. Brown 1902-4-11 5276 Sonoma Bodega Bay. Comment
  SD88403  Lasthenia minor Darley F. Howe 1972-5-1 Sonoma Duncan Point Comment
  UCD164991  Lathyrus Peter Rubtzoff 1974-9-7 7862 Sonoma Hinebaugh Creek, Rohnert Park; west of Commerce Blvd. crossing. Comment
  UCD165004  Lathyrus Peter Rubtzoff 1974-9-7 7886 Sonoma Hinebaugh Creek, Rohnert Park. Comment
  CAS-BOT-BC474560  Lathyrus hirsutus Ayzik Solomeshch 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, N of city of Rohnert Park, E of Hwy 101 and S of Horn Ave. Vegetation plot sampling from pool #1 30 Comment
  UCD150835  Lathyrus hirsutus Ayzik Solomescsh 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, north of city of Rohnert Park. East of Hwy 101 and south of Horn Ave. Elevation estimated from Google Earth by label maker. 30 Comment
  UCR254873  Lathyrus jepsonii Peter Rubtzoff 1958-7-19 3771 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  UCR255730  Lathyrus sphaericus Greg de Nevers 1993-4-26 10404 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD33093  Lathyrus sphaericus Beecher Crampton 1966-5-10 7723 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  UCD106668  Lathyrus tingitanus Donna Allen 1977-5-24 s.n. Sonoma Dry cr. Rd. next to bridge at site of proposed dam. Comment
  UC137193  Lathyrus torreyi Michener and Bioletti 1892-7-6 14 a Sonoma Gualala Comment
  CDA11333  Lathyrus vestitus G. F. Hrusa 1995-4-2 12043 Sonoma North Coast Biodiversity Arena; Franz Valley Rd. approx 3 m. W of Knights Valley intersection with Hwy. 128. Comment
  UCD167636  Lathyrus vestitus James A. Neilson Jr. 1977-3-7 3845 Sonoma Mayacmas Mountains. Hwy 29, 2 miles south from summit at R. L. Stevenson State Park. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD106537  Lathyrus vestitus var. ochropetalus Mary M. Hektner 1975-6-2 193 Sonoma Coastal prairie; along path to beach, below parking lot on Pipers Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR244752  Layia Peter Rubtzoff 1969-5-3 6010 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastopol 21 Comment
  CAS-BOT-BC323258  Layia chrysanthemoides Alice Eastwood 1921-5-8 10440 Sonoma Petaluma Comment
  SEINET3071642 Image available Layia chrysanthemoides subsp. maritima J. C. Clausen 1935-5-24 1090 Sonoma 6.2 mi. S. of Jenner Comment
  UC584226  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 mi s Jenner Comment
  CAS-BOT-BC379576  Layia platyglossa John Thomas Howell 1976-6-15 18261 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles outh of Gualala 30 Comment
  CAS-BOT-BC329305  Layia septentrionalis H. E. Brown; A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood Comment
  RSA71060  Ledum glandulosum subsp. columbianum L. S. Rose 1951-6-7 51015 Sonoma Pitkin Marsh, 5 miles N of Sebastopol. Comment
  CAS-BOT-BC210099  Lemna Peter Rubtzoff 1965-10-10 5656 Sonoma Pitkin Marsh, near Forestville. Comment
  UCD166259  Lemna Peter Rubtzoff 1970-8-18 6316 Sonoma 5 miles north of Sears Point. 11 Comment
  CAS-BOT-BC154146  Lemna Peter Rubtzoff 1966-9-10 5820 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC210101  Lemna Peter Rubtzoff 1970-8-18 6316 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC534366  Lemna minor Greg de Nevers 1995-4-5 10712 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  UCR255074  Lemna minor Peter Rubtzoff 1961-10-23 4783 Sonoma Laguna de Santa Rosa area northeast of Graton 20 Comment
  UCR255075  Lemna minor Peter Rubtzoff 1960-6-5 4434 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road 30 Comment
  UCR256957  Lemna minor Peter Rubtzoff 1954-8-13 1710 Sonoma Bodega Head Marsh 2 Comment
  CAS-BOT-BC344879  Lemna minor Peter Rubtzoff 1961-9-20 4755 Sonoma Duncans Mills 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-BC527278  Lemna minuta Peter Rubtzoff 1951-8-19 652 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC339168  Leontodon saxatilis subsp. saxatilis R. E. Frenkel 1964-6-23 612 Sonoma On California Hwy. 1, 2.3 miles south of Stewarts Point 18 Comment
  CAS-BOT-BC215728  Lepechinia calycina Greg de Nevers 1996-7-17 10857 Sonoma 3450 Franz Valley Road, Pepperwood Rangh Natural Preserve 487 Comment
  RSA120850  Lepidium didymum Milo S. Baker 1957-05 13096 Sonoma Junior College Campus, only near Machine Shop Building. Santa Rosa. Comment
  UCR255881  Lepidium latifolium Greg de Nevers 1993-7-29 10478 Sonoma On dike of Petaluma River marsh at Hwy 37 1 Comment
  CDA3805  Lepidium latifolium T. C. Fuller 1958-10-16 1480 -58 Sonoma North side Highway 48, 5 miles east of Sears Point. 0 Comment
  UCD115699  Lepidium latifolium John Thomas Howell 1966-6-2 41550 Sonoma South of Schellville near Black Pt. road. Comment
  UC1034634  Lepidium strictum Milo S. Baker 1955-6-1 13044 Sonoma Humboldt St. near 5th Santa Rosa Comment
  CAS-BOT-BC226701  Leptosiphon jepsonii D. E. Breedlove 1983-4-11 58684 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC376425  Leptosiphon latisectus Greg de Nevers 1995-4-5 10711 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Southeast of tower in saddle. 400 Comment
  JEPS86801  Lessingia arachnoidea Jack and Betty Guggolz 1991-7-20 1212 Sonoma about 2 1/4 mi nw of Camp Meeker 182 Comment
  NY180565  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  CAS-BOT-BC342011  Lessingia ramulosa John Thomas Howell 1926-11-14 2250 Sonoma Hills south-east of Santa Rosa 83 Comment
  UCD132703  Lessingia ramulosa Frederica Bowcutt 1994-7-5 1937 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NEof Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, W of Bear Creek along Goodspeed Trail 231 Comment
  UCR255035  Ligusticum apiifolium Greg de Nevers 1998-7-25 11302 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, just upstream of bridge at Mark West Lodge 137 Comment
  JEPS86739  Lilaea scilloides Jack and Betty Guggolz 1990-4-4 1024 Sonoma w of Paradise Lane (s of Piner Road) 30 Comment
  CAS-BOT-BC130826  Lilium pardalinum Peter Rubtzoff 1951-7-22 539 Sonoma Northern half of Lower Marsh Comment
  UCD160808  Lilium pardalinum James A. Neilson Jr. 1975-5-23 3198 Sonoma Mayacmas Mountains. Big Sulphur Creek, Abril property. (Elevation, and coordinates estimated by label maker). 548 Comment
  CAS-BOT-BC123087  Lilium pitkinense Lawrence Beane; Albert Michael Vollmer 1954-7-20 1270 Sonoma in the Pitkin Marsh Comment
  RSA63113  Limnanthes alba L. S. Rose 1951-5-17 51007 Sonoma Hills west of Agua Caliente. 91 Comment
  UCD35883  Limnanthes douglasii Beecher Crampton 1966-5-10 7730 Sonoma 6.5 miles n. of Sonoma, State Hwy. 12. Comment
  RSA178006  Limnanthes douglasii subsp. douglasii Robert F. Thorne 1965-4-19 34260 Sonoma Cotati, Waters Ranch 30 Comment
  SEINET12183384  Limnanthes douglasii var. nivea F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -144 Sonoma junction Valley Ford & Franklin School Roads, ca 0.1 mi from junction Valley Ford Road & CA 1 20 Comment
  CAS-BOT-BC45951  Limnanthes vinculans John Thomas Howell 1947-6-5 23233 Sonoma Cunningham Marsh Comment
  RSA215944  Limnanthes vinculans Peter Rubtzoff 1966-5-29 5726 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road) Comment
  UC1368724  Limnanthes vinculans Peter Rubtzoff 1969-5-3 6026 Sonoma e Sebastopol; Laguna de Santa Rosa Comment
  SD251298  Limosella Peter Rubtzoff 1966-5-7 5721 Sonoma Laguna de Santa Rosa, East of Graton, between Occidental and Guerneville roads Comment
  UCD166114  Limosella Peter Rubtzoff 1972-5-25 6751 Sonoma Laguna, Chileno Valley. Comment
  RSA800892  Limosella acaulis Peter Rubtzoff 1966-4-17 5675 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  UC30170  Linanthus acicularis W. H. Brewer 1862-4-18 983 Sonoma Sonoma Comment
  SEINET12329973  Linanthus androsaceus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -195 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  UC126422  Linanthus dichotomus Katharine Brandegee Jun 1889 Sonoma Mt. St. Helena Comment
  UC908781  Linanthus jepsonii Herbert L. Mason 1928-4-13 4334 Sonoma Reibli School, near springs Comment
  UC730032  Linanthus jepsonii Leo F. Koch 1940-4-22 832 Sonoma 15 mi from Geysers; Sulfur Creek Canyon Comment
  UCD123911  Linaria vulgaris G. Thomas Robbins 1958-8-11 3924 Sonoma along Estero Lane, a dirt road south of State Highway 1, about 2 miles south of the highway, west of the town of Bodega. Comment
  CAS-BOT-BC249305  Lindernia Peter Rubtzoff 2013-2-15 8357 Sonoma Bennett Mountain Lake, northern lakeshore Comment
  SEINET7067248  Linum bienne A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  UCD110569  Linum bienne Mary M. Hektner 1974-5-27 006 Sonoma Unit 7 Owners' Map, south of Whaler's Reach, Sea Ranch, near State Highway 1. Comment
  SEINET12030991  Lithocarpus densiflorus F. H. Utech 1988-1 88 -209 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  CAS-BOT-BC36012  Lithocarpus densiflorus var. densiflorus Mary P. Wells 1985-7-10 547 Sonoma King's Ridge Road Comment
  CAS-BOT-BC430586  Lithophragma affine G. DeNevers 1981-4-11 700 Sonoma Pepperwood Ranch, along road below Lower Orchard Comment
  UCD102729  Lithophragma heterophyllum S. P. Lynch 1974-3-14 392 Sonoma 6 mi. W of Callistoga on 128. Comment
  SEINET11991946  Lobularia maritima W. Knight, Knight, T. 1984-1 5033 Sonoma purchased at K-Mart, Petaluma Comment
  CAS-BOT-BC342494  Logfia gallica Barbara Keller 1990-4-30 2037 Sonoma On Coleman Valley Rd. 6 miles west of Occidental Comment
  CAS-BOT-BC353413  Logfia gallica Peter Rubtzoff 1973-7-24 7197 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC283283  Lolium multiflorum John Thomas Howell; et al. 1981-5-14 53951 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC269191  Lolium temulentum A. A. Heller 1902-6-10 5679 Sonoma Santa Rosa Comment
  RSA452563  Lomatium californicum Christopher Davidson 1977-6-20 6021 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  SD99412  Lomatium californicum Christopher Davidson 1977-6-20 6021 Sonoma Dry Creek Road, 9.3 miles west of Geyersville 89 Comment
  SEINET5321344  Lomatium dasycarpum A. G. Vestal 1962-4-11 Sonoma Occidental; 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN Comment
  SEINET7040129  Lomatium dasycarpum A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  UCD127043  Lomatium dasycarpum var. dasycarpum Frederica Bowcutt 1994-5-21 1803 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, about 2.5 air miles NE of Kenwood,. Along Meadow Trail, approx. 3/8 mile from trailhead. 1300 Comment
  CAS-BOT-BC217808  Lomatium repostum Walter Knight; Irja Knight 1985-7-21 6256 Sonoma Pine Flat Rd. Comment
  CAS-BOT-BC361356  Lomatium repostum Greg de Nevers 1997-4-16 10942 Sonoma Moon Mountain Road Area burned Sept. 1996 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
  UCR265128  Lomatium utriculatum Ann Howald 2015-4-1 3327 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage 318 Comment
  CAS-BOT-BC240650  Lonicera hispidula Alice Eastwood 1915-6-5 4565 Sonoma Petrified Forest Comment
  RSA633341  Lonicera involucrata Michael A. Vincent, Ethan H. Freid 1998-4-8 8173 Sonoma Bodega Bay; 0.5 mile NE of city limits along Rt. 1. Comment
  SEINET5784640 Image available Lonicera involucrata Marcus E. Jones 1882-1 2739 Sonoma Duncan's Mills Comment
  POM128320  Lonicera involucrata H. P. Chandler 1907-4-28 7550 Sonoma Santa Rosa to Calistoga. Comment
  CAS-BOT-BC243997  Lonicera involucrata var. ledebourii G. DeNevers 1981-3-14 530 Sonoma Pippindale farm, 7 mi. NE of Santa Rosa, near Mark West lodge, Pepperwood Ranch Comment
  UC1125276  Lonicera involucrata var. ledebourii H. S. Yates 1934-4-21 3803 Sonoma near Bodega; Duncan Mills Quadrangle Comment
  UC1299561  Lonicera involucrata var. ledebourii Freed W. Hoffman 1947-2-23 618 Sonoma Russian Gulch near mouth of stream North Coast Ranges Comment
  UC75667  Lonicera involucrata var. ledebourii Miss Emma Lobenstein 1906-1 Sonoma Valley Ford Comment
  POM18310  Lotus benthamii A. A. Heller 1903-4-25 7458 Sonoma Fort Ross 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
  UC196927  Lotus formosissimus P. B. Kennedy Jun 1915 Sonoma Del Mar, n Sonoma Co. Del Mar Comment
  SEINET3131486  Lotus grandiflorus var. grandiflorus M. S. Baker sn Sonoma Near Occidental Comment
  SEINET7075495  Lotus humistratus A. G. Vestal 1955-5-8 s.n. Sonoma Valley of the Moon south of Kenwood. 38? deg. 23' 26" North Latitude, -122? deg. 31' 35" West Longitude. UTM Zone 10, 541365mE, 4249039mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  SEINET7096776  Lotus humistratus A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane.Ca 1 mile east of Occidenta. NAD27, 38.4070? deg. , -122.9289?_ (converted to WGS84) UTM Zone 10, 506210mE, 4250769mN. Comment
  UC496417  Lotus humistratus Merle Randall 1930-6-11 Sonoma Cazadero Comment
  SEINET12165971  Lotus humistratus Unknown 1986-1 66054 Sonoma NW of Healdsburg, Lake Sonoma area, Rockpile Rd Rdge, Ca 1miN of bridge over lake 351 Comment
  UC58330  Lotus junceus A. A. Heller 1903-4-25 6597 Sonoma Fort Ross Comment
  UC1285193  Lotus junceus var. biolettii R. F. Hoover 1964-9-8 9286 Sonoma near Fort Ross; Kolmer Gulch Comment
  UC1129078  Lotus micranthus H. S. Yates 1934-4-22 3846 Sonoma 2 mi s Mark West; Calistoga Quad. 152 Comment
  SEINET8721506 Image available Lotus purshianus Unknown s d 38255 Sonoma Bloomfield 30 Comment
  UC726035  Lotus purshianus var. purshianus A. A. Heller 1938-8-11 15321 Sonoma Knights Valley Comment
  UC750814  Lotus stipularis var. stipularis Charles B. Heiser Jr. 1946-5-19 1738 Sonoma w of Santa Rosa; Vine Hill Comment
  RSA0059082  Lotus subpinnatus Greg de Nevers 1992-5-2 10138 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd. Along Franz Creek. 91 Comment
  POM18955  Lotus unifoliolatus A. A. Heller 1902-6-24 5754 Sonoma Near Burkes Sanitarium Comment
  RSA568520  Lotus unifoliolatus H. L. Bauer 350 Sonoma Big Basin Comment
Read comments
Sep 18 2012
  UCD66031  Ludwigia hexapetala B. J. Grewell 2006-7-21 06- 22 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Gallo's Laguna Ranch, downstream of Guerneville Rd Bridge/gaging stn. East of Hwy 116, Sebastopol across channel from Laguna Wastewater Treatment Delta Pond discharge. 16 Comment
  CAS-BOT-BC251193  Ludwigia palustris Peter Rubtzoff 1954-6-7 1486 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC258922  Ludwigia palustris Peter Rubtzoff 1966-6-26 5763 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC258924  Ludwigia palustris Peter Rubtzoff 1958-7-19 3758 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC261647  Ludwigia palustris Peter Rubtzoff 1961-9-6 4738 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  CAS-BOT-BC376292  Ludwigia palustris Greg de Nevers 1992-6-26 10206 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In oxbow of Franz Creek 91 Comment
  UC1191759  Ludwigia palustris Herbert L. Mason 1946-7-4 12886 Sonoma Pitkin Marsh between Santa Rosa and Forestville; Pitkin Marsh Comment
  RSA800589  Ludwigia palustris Peter Rubtzoff 1966-6-26 5763 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  RSA800209  Ludwigia palustris var. pacifica Peter Rubtzoff 1954-8-12 1698 Sonoma Bennett Mountain Lake. Comment
  UCD148388  Ludwigia peploides Peter Rubtzoff 1956-9-11 2844 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  RSA791567  Ludwigia peploides Peter Rubtzoff 1958-7-26 3807 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC201288  Lupinus Milo S. Baker 1928-6-28 3193 Sonoma Pitkin's Farm upland -Vine HIll Dist. Comment
  CAS-BOT-BC201290  Lupinus Charles Piper Smith 1947-6-25 47570 Sonoma Highway 1, Fort Ross, 1.9 miles north Comment
  CAS-BOT-BC201292  Lupinus Charles Piper Smith 1948-6-14 48386 Sonoma Glen Ellen - Triniti Road - Highway 12 junction, 1.5 miles east Comment
  CAS-BOT-BC201296  Lupinus Charles Piper Smith 1947-6-25 47569 Sonoma Highway 1, Jenner, 1.6 miles north Comment
  UC157780  Lupinus albifrons H. P. Chandler 1907-4-21 7530 Sonoma road from Glen Ellen to Oakville; rd fr Glen Ellen to Oakville Comment
  CAS-BOT-BC195980  Lupinus albifrons var. albifrons A. A. Heller; H. E. Brown 1902-3-27 5162 Sonoma Western base of Mt. Hood 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
  CHSC63910  Lupinus arboreus John Hale 1990-4-10 14 Sonoma 305 m. NW of Ocean Grove. 6 Comment
  SBBG21348  Lupinus arboreus V. Haraden 1941-7-13 2 Sonoma Bodega Bay 30 Comment
  UC15932  Lupinus bicolor W. H. Brewer 1862-4-17 982 Sonoma Sonoma Valley Comment
  CAS-BOT-BC311854  Lupinus bicolor subsp. tridentatus Peter Rubtzoff 1970-8-25 6340 Sonoma On Austin Creek beach, 0.5 miles north of Cazadero. Comment
  UC1482882  Lupinus formosus D. B. Dunn, Conrad and LeDoux 1973-6-9 20712 Sonoma on 116, 5.3 mi e Jct of Hwy 101 and Hwy 116 Comment
  POM299299  Lupinus formosus var. formosus H. C. Cantelow 1936-5-13 s.n. Sonoma 1/2 mile north of El Serano. Comment
  SEINET12165195  Lupinus micranthus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -189 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 630 Comment
  JEPS86765  Lupinus microcarpus var. microcarpus Jack and Betty Guggolz 1990-6-16 1065 Sonoma one mi nnw Camp Meeker (at the upper end of a reservoir on Grub Creek); Grub Creek 85 Comment
  SDSU5019  Lupinus microcarpus var. microcarpus D. F. Howe 1962-5-24 3317 Sonoma Bodega Bay. Comment
  SBBG69038  Lupinus microcarpus var. microcarpus L. Rowntree 1931-7-13 Sonoma near Bodega Comment
  JEPS65363  Lupinus nanus W. L. Jepson 1914-4-11 5801 Sonoma Sonoma Valley 35 Comment
  UC1537144  Lupinus nanus Gordon H. True Jr. 1938-4-13 863 Sonoma between Sonoma and Black Point; between Sonoma and Black Point 15 Comment
  UCD151182  Lupinus nanus James A. Neilson Jr. 1974-4-16 3064 Sonoma Mayacmas Mountains. Sulphur bank number 13. (Elevation estimated using Google Earth by label maker.) 487 Comment
  RSA51315  Lupinus polycarpus Peter H. Raven 1950-4-6 1560 Sonoma Cotati to Santa Rosa. 30 Comment
  SEINET10838282  Lupinus polycarpus Charles R. Gunn 1963-6-1 Gunn 2663 Sonoma U.s. Hwy. 101 Roadside at gyer summit mainainence station. Growing with avena Barbata and other legumes. Comment
  CAS-BOT-BC8279  Lupinus sonomensis Amos Arthur Heller 1940-5-17 15638 Sonoma 2 miles E of Shellville, along road Comment
  SEINET10870696  Lupinus succulentus Joseph W. Congdon 1880-5-2 Congdon s.n. Sonoma Comment
  HSC34847  Lupinus vallicola subsp. apricus Thomas W. Nelson 1975-5-8 1809 Sonoma Beside Hwy. 101 at Asti Comment
  UC725888  Lupinus variicolor A. A. Heller 1940-5-17 15637 a Sonoma along State Highway #1, 2 mi w Valley Ford; w of Valley Ford Comment
  SEINET11091427 Image available Lupinus variicolor Mrs. H. C. Cantelow 1941-6-7 Sonoma 1.6 miles south of Jeuner State Hy I Comment
  SEINET5500889 Image available Lupinus variicolor Sally Walker 1984-6-6 Sonoma Salt Point Comment
  CAS-BOT-BC210023  Luzula Peter Rubtzoff 1974-4-17 7369 Sonoma Upper Green Valley Marsh area Comment
  RSA177939  Luzula comosa Robert F. Thorne 1965-4-20 34337 Sonoma Parker Hill Road ca. 2 1/2 miles N of Santa Rosa and 1 mile N of Sonoma County hospital. 107 Comment
  JEPS128207  Lysimachia latifolia Roger Raiche 2000-5-5 093 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UCR105440  Lythrum hyssopifolia Peter Rubtzoff 1956-9-15 2904 Sonoma Atascadero Creek Marsh Comment
  RSA0015994  Lythrum hyssopifolia Peter Rubtzoff 1958-7-19 3775 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CDA19168  Lythrum salicaria S. Opbroek 2000-7-5 PDR 038246 Sonoma North Coast Ranges; Along Hwy 116, Sebastopol. 0 Comment
  RSA0016032  Lythrum tribracteatum Peter Rubtzoff 1970-8-18 6308 Sonoma Five miles north of Sears Point. Comment
  UCD166068  Madia Peter Rubtzoff; H. A. Froebe 1971-5-30 6457 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC344040  Madia elegans David D. Keck 1933-11-6 2646 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  UC455510  Madia elegans I. J. Condit 1908-8-14 Sonoma Sebastopol Comment
  UCD134197  Madia elegans K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC344046  Madia elegans H. D. Geis 1902-8-1 581 Sonoma Sonoma County Fields. Cloverdale Comment
  UC89416  Madia elegans T. S. Brandegee Sonoma Hook Springs Comment
  RSA92902  Madia elegans subsp. elegans F. W. Peirson 1925-8-8 6346 Sonoma About 1 mile N of Santa Rosa. Comment
  CAS-BOT-BC343458  Madia gracilis A. A. Heller 1902-6-23 5738 Sonoma Petrified Forest Comment
  CAS-BOT-BC343465  Madia gracilis G. DeNevers 1981-5-15 1217 Sonoma Pepperwood Ranch. Near base of Hansel's driveway Comment
  CAS-BOT-BC345222  Madia sativa David D. Keck 1933-11-6 2647 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  CAS-BOT-BC345224  Madia sativa David D. Keck 1933-11-6 2645 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  CAS-BOT-BC345261  Madia sativa David D. Keck 1933-11-6 2645 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  CAS-BOT-BC345201  Madia sativa Minnette Matthaie 1965-7-1 s.n. Sonoma Near Sonoma on road to Napa Comment
  UC990650  Madia sativa James I. McMurphy 1909-8-8 703 Sonoma electric RR station between Santa Rosa and Sebastopol; Leddy Comment
  UC990654  Madia sativa James I. McMurphy 1909-8-8 702 Sonoma electric railroad station between Santa Rosa and Sebastopol; Leddy Comment
  UCD134339  Madia sativa Ann F. Johnson 1979-6-19 s.n. Sonoma Bodega Dunes State Park. Comment
  CAS-BOT-BC511575  Maianthemum racemosum subsp. amplexicaule G. de Nevers 1981-3-21 578 Sonoma Jenner. Mouth of Russian River. Coastal Brush. Comment
  CAS-BOT-BC368076  Maianthemum stellatum Greg de Nevers 1998-4-27 11202 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  RSA177926  Maianthemum stellatum Robert F. Thorne 1965-4-20 34377 Sonoma Charles Newman s place up Los Alamos Rd, on Rincon Ridge 396 Comment
  RSA34706  Malva sylvestris I. L. Wiggins, R. S. Ferris 1943-5-2 10207 Sonoma Vacant lot along highway, U.S. 101, in Healdsburg. Comment
  UCD163796  Marah Peter Rubtzoff 1980-5-26 9448 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  HSC7020  Marah fabacea L. S. Rose 1962-4-18 62026 Sonoma Laguna de Santa Rosa, 2 mi. NE of Graton 30 Comment
  UCD107583  Marah fabacea Frederica Bowcutt 1994-5-1 1775 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. Adobe Canyon, along Goodspeed trail about 1/8 mile from trail head on Adobe Canyon Rd. 198 Comment
  CAS-BOT-BC348214  Matricaria discoidea Peter Rubtzoff 1966-5-7 5704 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CDA34793  Matricaria discoidea Peter Warner 2010-3-29 120 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  UCD134584  Matricaria discoidea Gerry North 1993-4 23 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 Hillside Trail, at fork by water tank. 426 Comment
  UC494182  Medicago polymorpha H. E. and S. T. Parks 1930-5-9 612 Sonoma Knights Valley Comment
  UCD151155  Medicago polymorpha James A. Neilson Jr. 1973-6-7 3443 Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 441 Comment
  UC53670  Melica californica F. T. Bioletti 1893-6-5 Sonoma s Los Guilucos Valley Los Guilucos Valley Comment
  SEINET10599374  Melica californica A. Arthur Heller Heller 5351 Sonoma Comment
  CAS-BOT-BC281273  Melica geyeri Peter Rubtzoff 1952-6-10 1202 Sonoma NE slopes of Fitch Mountain, near Healdsburg Comment
  JEPS128355  Melica geyeri Roger Raiche 2000-4-23 050 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD87313  Melica geyeri Virginia Bufford 1937-5-10 453 Sonoma Top of O'farrell Hill -- West of Sebastopol. Comment
  SEINET4671609  Melica geyeri L. Koch 1940-4-24 843 Sonoma Roadside in Bennett Valley, a mile north of two and one-half mile junction from Kenwood and Glen Ellen Comment
  UCD87345  Melica geyeri R. Tofsrud 1942-4-1 279 Sonoma Along Mark West road about 3 mi. above the Springs resort. Comment
  CAS-BOT-BC281392  Melica harfordii H. S. Yates 1936-5-16 5615 Sonoma 2 miles NW of Mountain View School Comment
  UC1132277  Melica harfordii H. S. Yates 1937-5-31 6563 Sonoma 1 mi wsw Petrified Forest; Calistoga Quad. 274 Comment
  UCD87379  Melica harfordii Beecher Crampton 1954-5-9 1837 Sonoma Sonoma County, 2.5 miles north of Guerneville. Comment
  UC766884  Melica subulata R. F. Hoover 1941-5-14 5095 Sonoma sw of Occidental (Joy District School) Comment
  UCD88631  Melica subulata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC262567  Melica torreyana A. A. Heller 1902-4-4 5316 Sonoma Hills near Santa Rosa Comment
  POM204779  Melica torreyana A. A. Heller 1902-3-27 5160 Sonoma Western base of Mt. Hood. Comment
  UCD55139  Melica torreyana Ellen Dean; Tammie Beyerl 2006-4-28 3021 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 179 Comment
  RSA785662  Mentha Peter Rubtzoff 1954-8-11 1686 Sonoma Guerneville Marsh. Comment
  UCR244668  Mentha Peter Rubtzoff 1960-9-14 4553 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) 30 Comment
  RSA788368  Mentha Peter Rubtzoff 1960-10-29 4584 Sonoma Laguna de Santa Rosa, east of Graton (btwn. Occidental and Guereville Road). Comment
  JEPS63450  Mentha pulegium W. L. Jepson 1931-7-19 15938 Sonoma Watson School Bodega (Bodega) 152 Comment
  UC126707  Mentha pulegium Geo. R. Hall 1906-10-14 Sonoma Guerneville; Bohemian Club Grove, etc. Comment
  CAS-BOT-BC164713  Mentha rotundifolia Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC164704  Mentha spicata Peter Rubtzoff 1954-9-6 1740 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC166681  Mentha spicata Peter Rubtzoff 1968-7-20 5924 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC164702  Mentha spicata Peter Rubtzoff 1970-8-18 6322 Sonoma 5 miles north of Sears Point. Comment
  RSA784545  Mentha spicata Peter Rubtzoff 1970-8-18 6322 Sonoma 5 mi N of Sears Point. Comment
  UCR244650  Mentha suaveolens Peter Rubtzoff 1973-9-9 7316 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC182772  Mentzelia laevicaulis Peter Rubtzoff 1958-9-7 s.n. Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  CAS-BOT-BC429003  Micranthes fragosa Milo S. Baker 1928-3-1 2737 e Sonoma Golf Club Links Comment
  SD71410  Micropus amphibolus John Thomas Howell 1965-3-25 41033 Sonoma 3.0 miles southeast of Sonoma. 74 Comment
  UCD151001  Micropus californicus D. S. Park; S. Nicole 2010-5-11 81 Sonoma California Route 1, near Bodega Bay. Comment
  CAS-BOT-BC348625  Micropus californicus var. californicus David D. Keck 1933-5-28 2324 Sonoma 3.4 miles east of Shellville (just east of intersection of Sonoma road) Comment
  SEINET11806893  Micropus californicus var. californicus F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -090 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12, ca 1.2 mi N on Cavedale Road 244 Comment
  CAS-BOT-BC348733  Microseris bigelovii John H. Thomas 1976-6-16 18255 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  SEINET11601910 Image available Microseris bigelovii P. Kamb, F. Chisaki 1952-6-21 2304 Sonoma Fort Ross Comment
  CAS-BOT-BC322705  Microseris laciniata Volney Rattan May and June s.n. Sonoma North of Cloverdale Comment
  UC682111  Microseris laciniata subsp. laciniata G. L. Stebbins Jr. with A. A. Beetle 1942-6-4 3287 Sonoma on State Highway No. 12 to Sebastopol 4.1 mi w Santa Rosa (e of corner of Wright Road) Comment
  RSA784490  Microseris laciniata subsp. laciniata Peter Rubtzoff, Nancy Harrison, Doug Jones 1974-6-8 7576 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA47833  Microseris paludosa L. Beane, Lois E. James 1949-5-16 1941 Sonoma About 3 miles S of Healdsburg Comment
  CHSC34598  Microsteris gracilis Jeffrey D. Prouty 1979-4-11 220 Sonoma Ca. 7 mi n of Santa Rosa.Ca. 100 yds w of Mark West Springs Rd., ca. 300 yds n of jctn. with Michelle Way. 164 Comment
  UCD118901  Microsteris gracilis Frederica Bowcutt 1994-5-21 1833 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles NW of Napa, 1.5 air miles NE of Kenwood. Along the Hillside Trail 1/2 mile. 396 Comment
  RSA0025398  Mimulus Peter Rubtzoff 1955-7-9 1929 Sonoma Forestville Marsh. Comment
  POM43747  Mimulus aurantiacus var. aurantiacus Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale Comment
  UC26898  Mimulus cardinalis Alice Bolton 1888-8-29 Sonoma below Guerneville; Russian River Comment
  RSA0040387  Mimulus guttatus Peter Rubtzoff 1957-5-11 3336 Sonoma Occidental Marsh. Comment
  UC70353  Mimulus guttatus Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  UCR252543  Mimulus guttatus Peter Rubtzoff 1969-5-24 6060 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road 427 Comment
  RSA434668  Mimulus guttatus Francis W. Pennell, H. L. Mason 1940-5-21 25483 Sonoma Route 28, Kellogg. 183 Comment
  SEINET12347398  Mimulus guttatus F. H. Utech 1988-5-21 88 -229 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1 100 Comment
  UC886246  Mimulus kelloggii Alice Eastwood 1915-6-5 Sonoma Petrified Forest Comment
  UCD160849  Mimulus microphyllus James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3296 Sonoma Mayacmas Mountains, Ca. 1/4 mile S of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UC26988  Mimulus microphyllus Ivar Tidestrom 1895-6-3 Sonoma Comment
  UC26912  Mimulus pilosus J. Burtt Davy 1896-7-22 4144 Sonoma Russian River Comment
  UC444805  Mimulus pilosus Milo S. Baker 1898-11-25 743 Sonoma near Healdsburg; Russian River Comment
  UC8088  Minuartia californica State Survey 1862-4-18 975 Sonoma near Sonoma Comment
  UCD98266  Minuartia douglasii Frederica Bowcutt; Jeff Kennedy 1994-5-21 1811 Sonoma Sugarloaf Ridge State Park; about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles NW of Napa, 1.5 air miles NE of Kenwood. Along the Meadow Trail, approx. 3/4 mile from trail head. 1500 Comment
  CAS-BOT-BC435110  Mollugo verticillata Peter Rubtzoff 1958-9-21 4002 Sonoma Vacation Beach, near Guerneville. Bottom of Russian River. Comment
  CAS-BOT-BC435116  Mollugo verticillata James McMurphy 1906-7-16 s.n. Sonoma Fulton Comment
  CHSC67996  Monardella villosa Jack Guggolz; Betty Guggolz 1992-6-13 1313 Sonoma West side of Black Mountain, south of Geyser Peak. 597 Comment
  JEPS86348  Monardella villosa Jack and Betty Guggolz 1988-5-8 927 Sonoma Comment
  UC1995311  Monardella viridis Robert F. Hoover 1942-7-6 5912 Sonoma ridge s The Geysers Comment
  CAS-BOT-BC220699  Monardella viridis Milo S. Baker 1934-6-20 7654 Sonoma Youngman Ranch 2 1/2 mi N.E. of Glen Ellen Comment
  SEINET12330779  Monardella viridis W. Knight, Knight, I.; Edwards, S. 1986-1 5528 Sonoma Pepperwood Nature Preserve on Franz Valley Road, on W rim of Devil's Garden Comment
  CAS-BOT-BC444989  Montia fontana John Thomas Howell 1949-4-6 25301 Sonoma SW. of Sonoma Comment
  CAS-BOT-BC445001  Montia fontana Peter Rubtzoff 1966-4-30 s.n. Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road. Comment
  CAS-BOT-BC444991  Montia fontana Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane 2 mi. north east of Occidental Comment
  SEINET12348989  Myosotis discolor F. H. Utech 1988-5-19 88 -193 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 Comment
  RSA97982  Myosotis latifolia N. F. Sommer 1954-5-15 81 Sonoma State Highway 12, at park on north edge of Occidental. 30 Comment
  CAS-BOT-BC101792  Myrica californica Peter Rubtzoff 1962-4-11 4788 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road) Comment
  CAS-BOT-BC101794  Myrica californica Peter Rubtzoff 1951-9-2 727 Sonoma Lower part of the Upper Marsh Comment
  RSA800153  Myriophyllum brasiliense Peter Rubtzoff 1970-8-18 6318 Sonoma 5 mi N of Sears Point. Comment
  RSA800335  Myriophyllum hippuroides Peter Rubtzoff 1963-9-1 5247 Sonoma Bennett Mountain Lake. Comment
  UCD36692  Nassella lepida Beecher Crampton 1955-6-17 2952 Sonoma 4.5 miles S of Cazadero. 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
  UC1133201  Nassella pulchra H. S. Yates 1934-4-21 3832 Sonoma 2 mi n County Farm; Santa Rosa Quadrangle Comment
  UCD87447  Nassella pulchra A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3562 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC260285  Nassella pulchra Milo S. Baker 1945-4-1 10892 Sonoma Above house at Maplewood ca 2 miles N of Kenwood Comment
  SEINET7040130  Nassella pulchra A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  CAS-BOT-BC344990  Nasturtium officinale Peter Rubtzoff 1954-6-6 1458 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC60516  Nasturtium officinale Peter Rubtzoff 1951-6-9 158 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC60524  Nasturtium officinale Dorothy Scherer 1997-5-7 103 Sonoma Southeast of largest Sag Pond, Fort Rose State Historic Park. 106 Comment
  RSA0065153  Navarretia Greg de Nevers 1997-8-17 11075 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. Oak Hill Ranch. 100 Comment
  CAS-BOT-BC479713  Navarretia cotulifolia Ann Howald 2003-5-15 2334 A Sonoma Inner North Coast Ranges: Sonoma Mountains, S end, lower E slope, c. 0.2 mi SE of intersection of Lewis Creek and Felder Creek 151 Comment
  UC133811  Navarretia heterodoxa Katharine Brandegee Aug 1892 Sonoma Petrified Forest Comment
  UC1719843  Navarretia intertexta David Fruchter 1978-9-17 99 Sonoma Diamond D. Comment
  UCD48473  Navarretia intertexta Herbert L. Mason 1940-5-21 12295 Sonoma Head of Maacama Creek, Knights Valley, Sonoma County. Comment
  RSA227205  Navarretia leucocephala subsp. plieantha Peter Rubtzoff 1966-7-4 s.n. Sonoma Laguna de Santa Rosa, northwest of Graton, at end of Piner Road Comment
Read comments
Dec 22 2014
  JEPS104972  Navarretia mellita Dean W. Taylor 1998-6-22 16681 Sonoma Geysers area, ca. 0.3 miles east along ridge from Eagle Rock Substation (ridge dividing Bear Canyon from Squaw Cr.) 792 Comment
  CAS-BOT-BC232689  Navarretia pubescens G. DeNevers 1982-6-5 2043 Sonoma Pepperwood Ranch. In ditch along road below Strebel Comment
  CAS-BOT-BC233610  Navarretia pubescens Milo S. Baker 1925-6-28 149 a Sonoma Maple Glen near Kenwood Comment
  RSA94272  Navarretia squarrosa Peter Rubtzoff 1951-8-19 656 Sonoma Pitkin Marsh, near Forestville: near the creek, just north of the Lower Marsh Comment
  RSA98661  Navarretia squarrosa G. Thomas Robbins 1939-7-4 272 Sonoma Near Graton Comment
  SD130512  Nemophila heterophylla F. Almeda, G. DeNevers 1981-3-30 4888 Sonoma Pepperwood Ranch; summit and east-facing slope of Three Tree Hill. Comment
  UC67243  Nemophila heterophylla M. Baker May 1899 Sonoma near Laguna; near the Laguna Comment
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Feb 16 2007
  UC24235  Nemophila menziesii J. Burtt Davy 1896-3-15 1673 Sonoma near Fort Ross; near Fort Ross Comment
  UC880916  Nemophila menziesii Alice Eastwood 1915-5-1 6843 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC231192  Nemophila parviflora Peter Rubtzoff 1953-5-17 1392 Sonoma S of Guerneville (Neeley Hill area) Comment
  CAS-BOT-BC231194  Nemophila parviflora A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross Comment
  RSA0060128  Nicotiana quadrivalvis Barbara Ertter 1988-11-5 8030 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  UCD110190  Notholithocarpus densiflorus A. T. Leiser 1968-1-16 s.n. Sonoma Sea Ranch, N. end of ridge. 91 Comment
  CAS-BOT-BC400123  Nuphar polysepala Peter Rubtzoff 1960-9-14 4543 Sonoma Laguna de Santa Rosa east of Graton (between Occidental and Guerneville roads) Comment
  CAS-BOT-BC140457  Oemleria cerasiformis Catherine Best 1987-4-16 1249 Sonoma Bouveric - Audubon Preserve on the trail to the waterfall Comment
  RSA0057960  Oemleria cerasiformis Greg de Nevers 1998-4-27 11199 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  UC1084460  Oenanthe sarmentosa G. Thomas Robbins 1937-6-5 222 Sonoma ca. 10 mi. w. Santa Rosa (Marsh on Pitkin Ranch, Vine Hill Region); Vine Hill region, Marsh on Pitkin Ranch Comment
  CDA38482  Oenanthe sarmentosa T. C. Fuller 1958-1-29 104 -58 Sonoma Triangle G Ranch, Sonoma Mtn., Petaluma. 0 Comment
  CHSC114375  Onopordum illyricum Andrew Smith 2011-12-21 PDR 1604230 Sonoma Santa Rosa; Pepperwood Preserve; 3450 Franz Valley Rdl, near Mark West Springs Rd. Comment
  UCD158787  Orobanche fasciculata James A. Neilson Jr. 1974-6-1 2759 Sonoma Mayacmas Mountains, Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  POM223587  Orthocarpus campestris Milo S. Baker 1936-05 8576 Sonoma Bennett Valley Highway, 0.5 mi east of old Santa Rosa Fair Grounds. Comment
  CAS-BOT-BC7012  Orthocarpus castillejoides Alice Eastwood; John Thomas Howell 1936-5-19 2518 Sonoma 2 miles N of Windsor Comment
  SDSU10841  Orthocarpus erianthus var. roseus D. F. Howe 1969-5-29 4583 Sonoma Sea Ranch. Comment
  RSA239768  Orthocarpus faucibarbatus var. albidus Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1102 Sonoma Fort Ross State Park. Comment
  POM15378  Orthocarpus lithospermoides M. S. Baker 1898-5-7 599 Sonoma Glen Ellen Comment
  UCD110782  Oxalis corniculata Collector unknown Date unknown s.n. Sonoma Sonoma County. Comment
  UC455385  Oxalis oregana I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UC1389001  Packera Milo S. Baker 1934-4-28 7605 Sonoma w Dry Creek Valley (ne corner of ranch); Jensen Ranch Comment
  CAS-BOT-BC316881  Packera eurycephala var. eurycephala Brandegee s.n. Sonoma unspecified Comment
  RSA0000459  Panicularia davyi Jos Burtt Davy 1899-7-21 6005 Sonoma Near Guerneville. Comment
  CAS-BOT-BC227648  Panicum Peter Rubtzoff; Nancy Harrison 1978-5-20 9186 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  UC1146581  Panicum acuminatum var. acuminatum Freed W. Hoffman 1942-6-21 2143 Sonoma at Hillcrest on highway from Forestville to Sebastopol; North Coast Ranges Comment
  UCD88559  Panicum acuminatum var. fasciculatum Freed W. Hoffman 1942-6-21 2143 Sonoma At 'Hillcrest' on highway from Forestville to Sebastopol. Comment
  UCD89129  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7149 Sonoma North East part of county. 'The Geysers', Big Sulphur Creek. Comment
  CAS-BOT-BC253772  Panicum capillare Peter Rubtzoff 1959-9-19 4275 Sonoma Russian River bottom, Vacation Beach, near Guerneville Comment
  CAS-BOT-BC253774  Panicum capillare Peter Rubtzoff 1956-9-14 2862 Sonoma Russian River bottom, Vacation Beach, near Guerneville Comment
  CAS-BOT-BC253795  Panicum hillmanii Walter & Irja Knight; J. T. Howell 1986-10-9 5854 Sonoma Town of Penngrove at edge of driveway at fire department entrance 12 Comment
  CAS-BOT-BC249263  Parentucellia Peter Rubtzoff 1971-6-10 6538 Sonoma Pitkin Marsh, near Forestville, along western border of the upper part of marsh. Comment
  SEINET12329970  Parentucellia viscosa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -157 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 120 Comment
  SEINET6794036 Image available Parentucellia viscosa Sally Walker 1983-1 Sonoma Joy Rd. - near Bodega Hwy Comment
  CAS-BOT-BC175546  Parnassia palustris A. T. Graff 1920-10-17 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC265687  Paspalum distichum Peter Rubtzoff 1958-8-16 3868 Sonoma Laguna de Santa Rosa north of Sebastopol, near Occidental Road Comment
  RSA177942  Pedicularis densiflora Robert F. Thorne 1965-4-19 34319 Sonoma N side of Vine Hill School Road, 0.5 mile from Vine Hill Road. 76 Comment
  CDA17202  Pellaea andromedifolia G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16201 Sonoma North Coast Biodiversity Arena; Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  UC399517  Pellaea andromedifolia Michener and Bioletti March 1893 Sonoma Hood's Peak Comment
  HSC1057  Pellaea andromedifolia A. Sylvester, D. Sutherland, R. Spellenberg 1966-3-26 1346 Sonoma 12 mi. W of Big Geysers along Sulfur Cr. Comment
  UCD137617  Pellaea andromedifolia Jennifer Bury; Peggy Herzog 1993-5-8 295 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. 365 Comment
  POM14670  Penstemon heterophyllus subsp. heterophyllus A. A. Heller 1902-6-28 5790 Sonoma Between Knight's Valley and Mark West Springs. Comment
  NY601758  Penstemon heterophyllus var. purdyi A. A. Heller 1902-5-29 5625 Sonoma Mount Hood Comment
  CAS-BOT-BC245713  Penstemon newberryi var. sonomensis Alice Eastwood 1915-6-6 4701 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC245721  Penstemon newberryi var. sonomensis F. T. Bioletti 1892-5-1 74 Sonoma Hood's Peak Comment
  SEINET12335254  Pentagramma triangularis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -272 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  SEINET4555669 Image available Pentagramma triangularis Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15053 Sonoma 2 miles north of Geyserville. Comment
  UC483302  Pentagramma triangularis subsp. triangularis Ira L. Wiggins 1932-3-12 5761 Sonoma fence row between Knight's Valley and Franz Valley Comment
  UC399579  Pentagramma triangularis subsp. triangularis Mrs. Carlotta C. Hall June 1909 12 Sonoma w of Guerneville (Graystone Trail, w side of canyon) Comment
  CAS-BOT-BC222748  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1958-7-26 3798 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  JEPS128254  Perideridia kelloggii Roger Raiche 2000-7-24 142 .00 Sonoma The Cedars. Rick's Gate. Lower Russian River, Big Austin Creek watershed. Comment
  UC1197120  Perideridia kelloggii Joseph P. Tracy 1937-8-28 15679 Sonoma Knight's Valley North Coast Ranges (along stream) 152 Comment
  UCD127896  Perideridia kelloggii K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  UCD127636  Perideridia kelloggii Frederica Bowcutt 1997-7-19 2192 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.75 air mile S of Red Mountain, 0.5 air miles NNW of confluence of the Malm Fork, 1.0 air miles WSW of Brushy Peaks. 457 Comment
  UCD127852  Perideridia kelloggii K. Esau 1935-7-19 s.n. Sonoma Near Petaluma Comment
  UCR49827  Perideridia oregana L. F. LaPre 1987-7-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  CAS-BOT-BC413644  Persicaria amphibia Peter Rubtzoff 1971-9-1 6674 Sonoma Spring Creek Reservoir area Comment
  CAS-BOT-BC413665  Persicaria amphibia Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC413642  Persicaria amphibia Peter Rubtzoff 1971-9-3 6696 Sonoma Spring Creek Reservoir area Comment
  CAS-BOT-BC413658  Persicaria amphibia Peter Rubtzoff 1966-10-9 5835 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Rd. Comment
  CAS-BOT-BC418903  Persicaria hydropiperoides Peter Rubtzoff 1954-8-10 1675 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC418912  Persicaria hydropiperoides Peter Rubtzoff 1960-9-14 4540 Sonoma Laguna de Santa Rosa east of Graton (betw. Occidental and Guerneville roads) Comment
  CAS-BOT-BC418893  Persicaria hydropiperoides John Thomas Howell 1946-8-17 22856 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC418914  Persicaria hydropiperoides Peter Rubtzoff 1960-9-17 4569 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC419122  Persicaria lapathifolia Walter Knight; Irja Knight 1963-9-13 253 Sonoma On Rainsville Rd near Liberty Road, Petaluma Comment
  CAS-BOT-BC419280  Persicaria maculosa M. S. Jussel 1931-5-3 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC419286  Persicaria orientalis Peter Rubtzoff 1958-7-20 3786 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road) 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
  SEINET12347575  Phacelia bolanderi F. H. Utech 1988-5-21 88 -228 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1 100 Comment
  UCD120297  Phacelia californica P. G. Connors 1991-7-3 194 Sonoma Bodega Marine Laboratory, Bodega Head and Dunes. Comment
  UC1047018  Phacelia corymbosa L. R. Heckard and C. R. Bell 1951-6-12 154 Sonoma ridge above Pine Flat (reached by road from Alexander Valley to Middletown) Comment
  UC901814  Phacelia corymbosa Malcolm Nobs, F. W. Hoffmann, and A. R. Kruckeberg 1950-6-4 675 Sonoma area n of Gray Creek e junction with East Austin Creek Comment
  UC1069266  Phacelia distans H. S. Yates 1934-4-21 3799 Sonoma near Bodega; Sebastopol Quadrangle Comment
  UC24347  Phacelia distans E. L. Greene 1892-4-20 Sonoma Knight's Valley Comment
  UC703123  Phacelia distans John Thomas Howell 1929-6-9 4306 Sonoma near Petrified Forest Comment
  POM299003  Phacelia divaricata J. T. Howell 1931-4-18 6421 Sonoma Mouth of Salmon Creek, two miles north of Bay. Comment
  CHSC52634  Phacelia egena James Jokerst 1985-5-29 2385 Sonoma Near Cobb Mountain. 1126 Comment
  JEPS83658  Phacelia egena R. Raiche 1987-5-20 70193 Sonoma N of Cazadero, The Cedars, headwaters of Big Austin Creek, creek branch referred to locally as Azealea Creak. 280 Comment
  CHSC52635  Phacelia imbricata James Jokerst 1985-5-29 2386 Sonoma Near Cobb Mountain. 1126 Comment
  JEPS128345  Phacelia imbricata Roger Raiche 2000-6-6 133 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC901847  Phacelia imbricata Malcolm Nobs, F. W. Hoffmann, and A. R. Kruckeberg 1950-6-4 671 Sonoma 1 mi nw Lafayette School (ca 5 mi e of Guerneville); Fred McMurray Ranch Comment
  UC444442  Phacelia suaveolens E. L. Greene Aug. 1888 Sonoma Petrified Forest; ; Petrified Forest, Sonoma Co. Comment
  RSA783846  Phalaris angusta Peter Rubtzoff 1972-6-23 6785 Sonoma Atascadero Creek Marsh. Comment
  UCD88138  Phalaris aquatica Freed W. Hoffman 1943-6-1 2218 Sonoma Near Guerneville. Lone Mountain Farm. Comment
  SEINET11690289  Phalaris aquatica J. T. Howell, Knight, W.; Knight, I. 1986-1 6125 Sonoma Llano Road between Growenstein Hwy and Todd Road Comment
  CAS-BOT-BC259021  Phalaris californica Peter Rubtzoff 1962-6-1 4860 Sonoma Freestone Marsh Comment
  UC1011002  Phalaris minor Doris Cole 1935-5-27 68 Sonoma Petaluma; at Doris Cole's home Comment
  RSA789053  Phalaris paradoxa Carrie A. Herd 1982-5-15 116 Sonoma Rohnert Park, C.S.U, Sonoma, between dorm parking lot and bicycle path Comment
  UCR255672  Phalaris paradoxa Greg de Nevers 1998-6-28 11295 Sonoma Laufenberg Ranch, Spencer Lane, Knights Valley 143 Comment
  CAS-BOT-BC383036  Phalaris paradoxa Greg de Nevers 1998-6-28 11295 Sonoma Lautenberg Ranch, Spencer Lane, Knights Valley. Comment
  CAS-BOT-BC253561  Phleum alpinum David D. Keck; J. Clausen 1935-6-15 3377 Sonoma 5 mi. S. of Jenner Comment
  UC1520699  Phlox speciosa subsp. nitida R. Raiche 1985-4-6 50169 Sonoma w of Healdsburg (ridge w side of Dry Creek Valley, n of Dorman Canyon to Bradford Mt. area); Dry Creek Area, Dry Creek Valley 243 Comment
  CAS-BOT-BC171217  Phoradendron serotinum subsp. tomentosum G. De Nevers 1981-7-1 1725 A Sonoma Pepperwood Ranch. Along the Road to the Studio on Horse Hill Comment
  CAS-BOT-BC140616  Physocarpus capitatus Peter Rubtzoff 1951-6-12 282 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC140625  Physocarpus capitatus Peter Rubtzoff 1955-5-21 1874 Sonoma Forestville Marsh Comment
  POM20257  Pickeringia montana var. montana A. A. Heller 1902-6-23 5740 Sonoma Petrified Forest Comment
  UCR279635  Picris echioides Peter Rubtzoff 1966-8-16 5783 Sonoma Laguna de Santa Rosa, northeast of Graton, c. 0.5 mile north of Guerneville [Rd.] 26 Comment
  UCD134384  Pinus attenuata J. M. Tucker 1951-6-26 2142 Sonoma Near Top of the World Ranch, about 5 miles due east of Glen Ellen. Comment
Read comments
Nov 30 2017
  CAS-BOT-BC72880  Pinus muricata Mary P. Wells 1983-8-3 177 Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch. Comment
  OBI35913  Pinus muricata David J. Keil 1983-6-30 17208 Sonoma Stillwater Cove Regional Park Comment
  UC1505975  Pinus muricata Daniel I. Axelrod 1983-7-7 E 3 Sonoma Vicinity of Salt Point; along State Hwy 1 76 Comment
  SEINET3874232 Image available Pinus muricata Ralph R. Wilson 1939-7-25 439 Sonoma North of Ft. Ross.; 0 15 Comment
  UCD134772  Pinus muricata Chris Bowen 1974-6-6 143 Sonoma On side of first hills east of Highway 1; Sea Ranch, near State Highway 1. 36 Comment
  JEPS74967  Pinus ponderosa Tim Tunison Sonoma Sugarloaf Ridge Trail e of Kenwood (Sonoma Valley, 0.5 mi from site of nearest habitation and 100 yds recently built Vista Trail); Sugarloaf Ridge State Park 487 Comment
  HSC12258  Pinus sabiniana Wendell Wood 1970-9-21 285 Sonoma Preston, Hwy. 101 bridge at Russian River, Bulk Collection # 8 457 Comment
  CAS-BOT-BC157653  Plagiobothrys Peter Rubtzoff; H. A. Froebe 1971-5-30 6488 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC166950  Plagiobothrys Peter Rubtzoff 1969-5-3 6014 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC166956  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC169560  Plagiobothrys Greg de Nevers 2002-5-8 12670 Sonoma Glen Ellen, Bouverie Preserve 152 Comment
  RSA785156  Plagiobothrys Peter Rubtzoff 1969-5-3 6014 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UCD166131  Plagiobothrys Peter Rubtzoff 1969-5-3 6015 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCR244739  Plagiobothrys Peter Rubtzoff 1969-5-11 6047 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  UCR279873  Plagiobothrys Peter Rubtzoff 1969-5-24 6062 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road 427 Comment
  CAS-BOT-BC173530  Plagiobothrys Peter Rubtzoff 1969-5-24 6062 Sonoma Vernal pool, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  CAS-BOT-BC361333  Plagiobothrys Greg de Nevers 1997-4-26 10981 Sonoma Point Reyes National Seashore, Bayview Trail Comment
  UC424773  Plagiobothrys bracteatus Milo S. Baker 1929-4-27 3586 Sonoma near Wright School Comment
  UCR279866  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-30 6237 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  UC881317  Plagiobothrys bracteatus Milo S. Baker 1927-5-8 2141 b Sonoma summit Bennett Val. Road Comment
  CAS-BOT-BC228115  Plagiobothrys chorisianus John H. Thomas 1976-6-16 18256 Sonoma Southern part of Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  UCD33795  Plagiobothrys collinus var. californicus Beecher Crampton 1973-5-5 8927 Sonoma Sonoma County, Sonoma Coast State Park at Carmet. Comment
  JEPS117070  Plagiobothrys greenei Peter Warner 2010-3-30 128 Sonoma Annadel State Park, east of Santa Rosa; approx. 200 m south of Cobblestone Trail, approx. 1 km west of Channel Drive. Comment
  RSA369973  Plagiobothrys greenei L. S. Rose 1949-4-6 49028 Sonoma Western outskirts of Sonoma 30 Comment
  RSA620968  Plagiobothrys reticulatus Peter Rubtzoff 1962-8-22 5041 Sonoma Bodega Bay Marsh. Comment
  UC79580  Plagiobothrys reticulatus var. rossianorum Katharine Brandegee June 1905 Sonoma Bodega Bay Comment
  RSA8384  Plagiobothrys reticulatus var. rossianorum L. S. Rose 1933-5-9 33155 Sonoma Bodega Bay. Comment
  UCD121027  Plagiobothrys tenellus Beecher Crampton 1955-4-5 2410 Sonoma 3 miles west of Fulton, along Woolsey Road, below Mt. Olivet School. Comment
  UC730039  Plantago lanceolata Leo F. Koch 1940-4-18 790 Sonoma 3 mi from Occidental (to Freestone) Comment
  SD130425  Platystemon californicus F. Almeda, G. DeNevers 1981-3-30 4882 Sonoma Vicinity of the Bechtel Cabin. Comment
  UCSB50225  Platystemon californicus Gray, John 1976-5-1 Sonoma Bluffs above Duncan's Landing State Beach; T6N R11W 15 Comment
  SEINET6911642  Platystigma linearis W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Dunes near their base, Bodega Head, near middle of peninsula. Comment
  UC28853  Plectritis ciliosa subsp. ciliosa F. T. Bioletti Apr. 1891 Sonoma Sonoma Comment
  CAS-BOT-BC260928  Pleuropogon californicus G. DeNevers; S. Kaza 1981-5-7 968 Sonoma 10510 Old Redwood Hwy., vacant lot by Healdsburg Rent-All, 2 mi. NW of Windsor exit from 101, Pepperwood Ranch Comment
  CDA12905  Pleuropogon californicus G. F. Hrusa, R. Gross, A. Buckmann 1996-3-29 12739 Sonoma North Coast Biodiversity Arena; Napa Valley bottom, immediately S of Tubbs Lane, approx. 2 m. NW of Calistoga. Comment
  JEPS113047  Pleuropogon californicus Dean W. Taylor 1994-5-4 14200 Sonoma Santa Rosa Plain; north of Todd Road 0.5 mi W of junction with Llano Road (ca. 5 air mi SW Santa Rosa) 24 Comment
  UC127248  Pleuropogon californicus C. H. Dwinelle 1908-5-13 4 Sonoma Fulton Comment
  UC677573  Pleuropogon californicus A. A. Beetle with G. L. Stebbins Jr. 1942-6-4 3613 Sonoma on Occidental Road near Barstow Station Comment
  CAS-BOT-BC260932  Pleuropogon californicus var. californicus John Thomas Howell 1944-5-14 19484 Sonoma Between Petaluma and Chileno Valley Comment
  HSC82085  Pleuropogon californicus var. californicus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5128 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  UCD90113  Pleuropogon californicus var. californicus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3613 Sonoma on the Occidental Road near Barstow station. 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
  CAS-BOT-BC260974  Pleuropogon californicus var. californicus Peter Rubtzoff 1955-4-30 1802 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  UCSB63833  Pleuropogon davyi James D. Jokerst 1993-5-13 3979 Sonoma collected the Sonoma Air Center Sonoma Air Center Comment
  UC1258216  Pleuropogon hooverianus Paul But 1976-4-26 P 5 Sonoma 0.5 mi from Freestone (on Bohemian Hwy at Freestone Flat Road) Comment
  UC1446217  Pleuropogon hooverianus Paul But with Grace Law 1977-5-3 P 6 Sonoma 3 mi ne of Penngrove (along Pressley Road) Comment
  UCD92180  Poa Beecher Crampton 1957-7-11 4294 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  SEINET10602223  Poa nevadensis A. Arthur Heller 1902-4-9 Heller 5249 Sonoma In a railroad cut 3 miles South of Healdsburg. Comment
  CAS-BOT-BC243244  Poa secunda subsp. secunda C. F. Quibell 1980-3-22 1427 Sonoma Geysers Geothermal Area. Open meadow to SE of site knoll Comment
  CAS-BOT-BC244195  Poa trivialis Peter Rubtzoff 1959-6-13 4121 Sonoma Willow Creek Marsh Comment
  RSA227197  Poa trivialis Peter Rubtzoff 1955-7-17 1972 Sonoma Guerneville Marsh. Comment
  RSA227230  Poa trivialis Peter Rubtzoff 1960-6-8 4466 Sonoma Fife Creek Marsh. Comment
  UC1023578  Poa unilateralis Virginia Bufford 1936-5-1 158 Sonoma Larkspur Rock Bodega Canyon Comment
  JEPS81440  Pogogyne douglasii L. R. Heckard 1982-7-24 5827 A Sonoma Old Naval Air Station Comment
  UCD125414  Pogogyne douglasii Peter Rubtzoff 1971-5-30 6487 Sonoma 4.25 miles west of Glen Ellen. Comment
  UC1085297  Polemonium carneum J. Ewan 1935-5-13 9207 Sonoma 2 mi w Bodega (Bodega Bay road); w of Bodega, Bodega Bay road Comment
  JEPS128244  Polycarpon tetraphyllum Roger Raiche 2000-3-30 053 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CDA31279  Polygala californica D. G. Kelch, Ed Biffin 2010-5-3 10 .199 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  JEPS128235  Polygala californica Roger Raiche 2000-3-30 054 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1541612  Polygala californica H. E. and S. T. Parks 1930-5-9 627 Sonoma near head Alexander Valley Comment
  CAS-BOT-BC157669  Polygonaceae Peter Rubtzoff 1964-5-20 5319 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC258008  Polygonum Peter Rubtzoff; Nancy Harrison; Ruth Hass 1974-8-31 7853 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC164401  Polygonum Peter Rubtzoff 1970-5-30 6241 Sonoma 5 mi. north of Sears Point Comment
  UCD166216  Polygonum Peter Rubtzoff 1970-5-30 6241 Sonoma 5 mi. north of Sears Point. Comment
  CDA22833  Polygonum paronychia R. F. Wilkey 1967-10-1 Sonoma Goat Rock, Bodega Bay. 0 Comment
  JEPS128353  Polypodium Roger Raiche 2000-5-5 083 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC72010  Polypodium californicum A. A. Heller 1902-3-10 5011 Sonoma Hills near Santa Rosa Comment
  SEINET10860395  Polypogon interruptus George B. Van Schaack, George F. Freytag 1950-8-15 Van Schaack 3073 Sonoma In soil chinks on sea side rocks. 5 m S of Stewart's Point. Comment
  UCD51632  Polypogon interruptus P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC237399  Polypogon monspeliensis Greg de Nevers 1981-6-6 1494 Sonoma Pepperwood Ranch. On the S slope of Telegraph Hill, E of the road, above the cow trough Comment
  HSC5276  Polypogon monspeliensis C. S. Chavez 1965-6-3 81 Sonoma One mile N of Santa Rosa on Hwy. 101. Comment
  UC50643  Polypogon monspeliensis Jos. Burtt Davy 1896-7-21 Sonoma Russian River below Guerneville; Russian River Comment
  UCR248904  Polypogon monspeliensis Peter Rubtzoff 1973-9-4 7293 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  CAS-BOT-BC237612  Polypogon viridis J. W. Stacey 1923-10-15 s.n. Sonoma Monte Rio Comment
  CAS-BOT-BC237614  Polypogon viridis Peter Rubtzoff 1956-9-11 2849 Sonoma Vacation Beach, Russian River near Guerneville Comment
  CAS-BOT-BC72166  Polystichum californicum Walter Knight; Irja Knight; Phyllis Ellman 1986-11-13 5850 Sonoma Bouverie Audubon Preserve, 3/4 mi E of parking lot along fire road 45 Comment
  UC42098  Polystichum californicum F. T. Bioletti 1891-12-25 Sonoma Sonoma Comment
  HSC86326  Polystichum californicum R. W. Becking 1984-3-9 Sonoma Cloverdale, Hwy. 128 W 2 mi. from Hwy. 101 intersection, Alderglen Springs Comment
  SEINET6744750  Polystichum californicum Michener, Bioletti 1893-1 Sonoma Adobe Canon Comment
  SEINET11720934  Polystichum dudleyi F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -56 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  CDA37328  Polystichum imbricans D. G. Kelch, Troy McGregor 2010-8-22 10 .334 Sonoma Geyser Peak Rd. Comment
  UC1481826  Polystichum imbricans subsp. imbricans Milo S. Baker 1898-6-11 656 Sonoma Little Sulphur Creek Comment
  UCR222529  Polystichum imbricans subsp. imbricans George K. Helmkamp, E. A. Helmkamp 2010-6-5 16248 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
  RSA302172  Polystichum munitum J. R. Shevock 1971-1-30 623 Sonoma Along Russian River. 13 Comment
  CAS-BOT-BC267175  Potamogeton foliosus 1877-6-6 s.n. Sonoma Russian River, Guerneville Comment
  UCD161294  Potamogeton natans James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3692 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC257683  Potamogeton nodosus Peter Rubtzoff 1971-6-25 6552 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA800334  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh. Comment
  UCD165769  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC453901  Potamogeton nodosus M. S. Baker 1900-8-1 s.n. Sonoma Mark West Creek near Saguna. Comment
  UCR244640  Potamogeton pectinatus Peter Rubtzoff 1970-8-5 6296 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
  UCR280146  Potamogeton pectinatus Peter Rubtzoff 1971-9-30 6712 Sonoma Dune pond near U.C. Bodega Marine Laboratory 13 Comment
  CAS-BOT-BC454022  Potamogeton pectinatus Peter Rubtzoff 1955-9-9 2123 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC454078  Potamogeton pusillus subsp. pusillus M. S. Baker 1899-6-1 s.n. Sonoma Near Sebastopol Comment
  CAS-BOT-BC141953  Potentilla anserina subsp. pacifica Peter Rubtzoff 1955-8-20 2066 Sonoma Bodega Harbor Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC26647  Potentilla uliginosa Milo S. Baker 1947-6-26 11831 Sonoma Cunningham Marsh ca 1 mi southwest of Cunningham Station Comment
  CAS-BOT-BC516398  Prosartes hookeri Volney Rattan 1877-6-25 s.n. Sonoma Near Cloverdale Comment
  SEINET12049788  Prosartes hookeri F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -168 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road, between Jimtown & Mercuryville 330 Comment
  UCSB663  Prosartes hookeri Keator, Glenn 1959-4-1 Sonoma At abandoned picnic grounds, 1 mile southeast of northern city limits of Camp Meeker on Occidental- Monterio highway Comment
  CAS-BOT-BC517367  Prosartes smithii Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  UCSB29336  Prunella vulgaris Hook, J. 1972-6-25 Sonoma Salt Point State Park; 18 miles N. of Russian River; on Hwy 1 8 Comment
  NY622091  Prunella vulgaris var. atropurpurea A. A. Heller 1902-6-4 5639 Sonoma Santa Rosa Comment
  UC1124439  Prunella vulgaris var. lanceolata H. S. Yates 1936-5-16 5578 Sonoma 1 mi ne Graton; Sebastopol Quadrangle Comment
  POM139677  Prunus A. A. Heller 1902-3-21 5120 Sonoma Hills southeast of Santa Rosa 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
  CAS-BOT-BC368069  Prunus virginiana var. demissa Greg de Nevers 1998-6-2 11267 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley School Road at Bordjeiffs. 400 Comment
  UCD113518  Prunus virginiana var. demissa Frederica Bowcutt 1996-5-24 2161 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, just NW of Sonoma/Rattlesnake Creek confluence. 365 Comment
  CAS-BOT-BC356923  Pseudognaphalium californicum Peter Rubtzoff 1952-6-10 1231 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  OBI32526  Pseudognaphalium californicum Dave Morse 1972-7-29 5 Sonoma One mi NE of Cloverdale, on hwy 128 91 Comment
  RSA790987  Pseudognaphalium luteoalbum Peter Rubtzoff 1962-9-30 5103 Sonoma Vacation Beach, 2 miles below Guerneville. Comment
  CAS-BOT-BC361618  Pseudognaphalium stramineum Peter Rubtzoff 1951-9-2 722 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  SBBG8250  Pseudognaphalium stramineum H. and M. Dearing 1939-5-14 3356 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  HSC2215  Pseudognaphalium stramineum Roxana S. Ferris 1937-8-18 9375 Sonoma At mouth of Salmon Creek on Bodega Bay Comment
  UCD133693  Pseudognaphalium stramineum Frederica Bowcutt 1984-6-23 414 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. W of Highway 1. Immediately N of Gerstle Cove near large parking lot. 15 Comment
  CAS-BOT-BC80179  Pseudotsuga menziesii Irja Knight; Walter Knight 1963-12-27 464 Sonoma Pine Flat Rd., Circle 8 Ranch Comment
  UCD135110  Pseudotsuga menziesii Alan A. Beetle 1940-4-7 2596 Sonoma 1 mile south of Ft. Ross; hgwy #1 between Jenner and Ft. Ross. Comment
  SEINET5345373  Pseudotsuga menziesii var. menziesii L. Fallon 1939-1-6 s.n. Sonoma 1 mile north of Santa Rosa Comment
  CAS-BOT-BC176177  Psilocarphus Peter Rubtzoff 1970-5-30 6250 Sonoma 5 miles north of Sears Point. Comment
  UCD84284  Psilocarphus brevissimus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  RSA94031  Psilocarphus brevissimus M. S. Baker 1928-5-26 3027 Sonoma Near summit of Bennet Val. Road. Comment
  CAS-BOT-BC362072  Psilocarphus tenellus Alice Eastwood 1921-5-8 10466 Sonoma Petaluma Comment
  CAS-BOT-BC362074  Psilocarphus tenellus Greg de Nevers 1992-4-28 10119 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  UCD160872  Pteridium aquilinum var. pubescens James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3266 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
  UCR222563  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2010-6-5 16252 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
  UCD137795  Pteridium aquilinum var. pubescens Ivette Loredo-Prendeville; Nicole Canon 1993-4-4 59 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 195 Comment
  JEPS58840  Pyrola aphylla M. E. and E. Van E. Ferguson Jun 8-10 1919 Sonoma Near Gurneville Comment
  CAS-BOT-BC460849  Pyrola aphylla Juanita E. Charles 1925-6-1 s.n. Sonoma Cazadero Comment
  JEPS22240  Quercus Rimo Bacigalupi 1958-11-23 6961 Sonoma 4 mi s Healdsburg (at junction of Arata Road and U.S. Highway 101, on property of Fred H. Clemens) Comment
  UCR66548  Quercus X chasei G. Ledyard Stebbins 1943-6-18 3364 Sonoma 2.5 mi. north of Cotati on road to Sebastopol. Comment
  CAS-BOT-BC94231  Quercus X eplingii G. De Nevers 1981-9-5 1812 Sonoma Pepperwood Ranch. Bottom of Bauer's driveway, near Hansel's Corral Comment
  CAS-BOT-BC94705  Quercus X howellii G. De Nevers 1981-9-5 1824 Sonoma Pepperwood Ranch. In the Garrison Yard, between the Blue Damson Plum and the Oregon Oak Comment
  CAS-BOT-BC104409  Quercus X subconvexa G. DeNevers 1981-9-12 1834 Sonoma Pepperwood Ranch, on S slope of the hill above the Betchel Cabin Comment
  JEPS37365  Quercus agrifolia Miss R. Kuhn 1913-10-1 Sonoma Sonoma Valley Comment
  UC503093  Quercus agrifolia Joseph P. Tracy 1930-11-30 9273 Sonoma below Knights Valley; North Coast Ranges 152 Comment
  SEINET12030399  Quercus douglasii W. Knight, Knight, I.; Knight, T. 1985-1 5391 Sonoma Pine Mt. Road Comment
  RSA477129  Quercus durata Christopher Davidson 1977-6-20 6012 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  UCD165505  Quercus durata J. B. Spring and R. W. Lundh 1932-6-27 88 Sonoma California, Sonoma County: Santa Rosa, CA, 1.5 mi. south of McCormack Ranch. (Exact location unknown, coordinates estimated by label maker.) 754 Comment
  UCD45936  Quercus durata var. durata Maunsell Van Rensselaer 1941-10-12 s.n. Sonoma Rincon Ridge, Sonoma County, California. Comment
  CAS-BOT-BC94670  Quercus garryana L. R. Abrams 1916-7-4 5800 Sonoma Mark West Comment
  UC424818  Quercus garryana Milo S. Baker 1927-11-5 2503 b Sonoma 2-3 mi w Skagg's Springs Hwy. Comment
  UCD124007  Quercus garryana var. garryana Frederica Bowcutt 1997-7-20 2201 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 3 air miles NE of Kenwood, 1.5 air miles ENE of Mt. Hood, 1 air mile NW of Bald Mtn. Bear Crk. Ranch in headwaters of the Bear Crk. 609 Comment
  UCD46063  Quercus garryana var. garryana G. L. Stebbins Jr. 1945-10-7 3586 Sonoma 2 miles northwest of Forestdale, along highway to Guerneville. Comment
  UCD46076  Quercus garryana var. garryana Frederica Bowcutt 1996-5-19 2138 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air miles S of Red Mtn. in Adobe Canyon near office and corral. 396 Comment
  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
  RSA786873  Quercus kelloggii Carrie A. Herd 1982-3-14 22 Sonoma Crane Creek Regional Park, above Crane Creek 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
  SEINET12031933  Quercus kelloggii W. Knight, Knight, I.; Knight, T. 1985-1 6350 Sonoma between Jimtown and geothermal area Comment
  CAS-BOT-BC62805  Quercus lobata Greg de Nevers 1981-9-5 1815 Sonoma Pepperwood Ranch, at Hansel's Corral, by the bottom of the Studio Road Comment
  CAS-BOT-BC62848  Quercus lobata Mary P. Wells 1984-6-18 356 Sonoma Friends House grounds, Rincon Valley, Santa Rosa Comment
  RSA94650  Quercus lobata Peter Rubtzoff 1951-8-18 637 Sonoma Western branch of the Upper Marsh. Comment
  CAS-BOT-BC134866  Quercus wislizeni Steven Barnhart 1994-6-5 s.n. Sonoma Salt Point State Park E of Highway 1, near junction of fire road up to the meadow and the rail to the Pygmy Forest Comment
  RSA177965  Quercus wislizeni var. frutescens Robert F. Thorne 1965-4-20 34386 Sonoma Robert Sone's place on Rock Ridge Lane- Mentecito Ave. on Rincon Ridge, Santa Rosa. 107 Comment
  CHSC6279  Ranunculus A. K. Reverd 1967-3-19 6 Sonoma On cliff, 6 ft w of highway 1, and 1/4 mi s of Miwok Beach. 10 Comment
  CAS-BOT-BC379156  Ranunculus aquatilis var. aquatilis Greg de Nevers 1993-3-7 10319 Sonoma Pepperwood Natural Preserve; 3450 Franz Valley Road, and surrounding sections 00000000000000000000000 305 Comment
  JEPS73359  Ranunculus aquatilis var. subrigidus Edward Lee 1934-4-30 749 Sonoma 1 mi w Two Rock Junction Comment
  UCD150138  Ranunculus californicus Ayzik Solomeshch 2009-5-13 s.n. Sonoma West edge of city of Santa Rosa, S of Hwy 12 and just E of S Wright Rd. San Jones wetland, sampling pool #1. 31 Comment
  UCD95943  Ranunculus californicus Mary M. Hektner 1975-4-27 187 Sonoma About 10 yards from edge of ocean bluff; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS55168  Ranunculus californicus Willis L. Jepson 1897-5-2 Sonoma Mt. St. Helena Napa River Basin Comment
  SD88412  Ranunculus californicus var. californicus Darley F. Howe 1972-4-28 4818 Sonoma Trinity Road, Mt. Hood Range 121 Comment
  CAS-BOT-BC378683  Ranunculus californicus var. californicus G. H. Mallory 1920-3-29 s.n. Sonoma east end of Sonoma Ave Comment
  CAS-BOT-BC83412  Ranunculus lobbii J. Penalosa 1961-5-24 1571 Sonoma Upper Stemple Creek Marsh. Comment
  UC634606  Ranunculus lobbii A. E. Borell 1928-4-13 119 Sonoma Petaluma Comment
  SEINET7067271  Ranunculus macounii A. G. Vestal 1947-5-13 s.n. Sonoma About 0.6 miles east of Annaplis. Coordinate datum: NAD27. Comment
  UCD96244  Ranunculus muricatus Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 60 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 195 Comment
  JEPS128334  Ranunculus occidentalis Roger Raiche 2010-4-17 015 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SD88405  Ranunculus occidentalis var. occidentalis Darley F. Howe 1972-5-1 Sonoma Duncan Point Comment
  UC1057477  Ranunculus orthorhynchus var. bloomeri G. Thomas Robbins 1937-5-23 209 Sonoma about 10 mi w Santa Rosa; Vine Hill region, Pitkin Ranch Comment
  UC118200  Ranunculus pusillus Mich. and Bioletti 1892-5-1 Sonoma Shellville Comment
Read comments
Jul 22 2010
  SD134015  Raphanus sativus Greg de Nevers 1986-12-17 8118 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 29 Comment
  POM136620  Rhamnus californica A. A. Heller 1902-7-8 5816 Sonoma Between Healdsburg and Geyserville Comment
  SEINET12211094  Rhamnus californica W. Knight, Knight, I.; Edwards, S. 1986-1 5341 Sonoma Along trail to summit just past the serpentine area. Access from Healdsburg-Geysers Road 991 Comment
  CAS-BOT-BC59447  Rhamnus ilicifolia Milo S. Baker 1927-11-5 2502 a Sonoma 2-3 mi. west of Skagg's along Hwy Comment
  CAS-BOT-BC53745  Rhododendron columbianum Lewis S. Rose 1955-6-2 55058 Sonoma Pitkin Marsh, w. of Vine Hill Road, 10 mi. w. of Santa Rosa 30 Comment
  CAS-BOT-BC56599  Rhododendron macrophyllum Mary P. Wells 1983-8-3 162 Sonoma Pygmy Forest, Timber Preserve of Oceanic of California, Inc., The Sea Ranch Comment
  LA41001  Rhododendron macrophyllum Washington Research Society; 1956-5-29 sn Sonoma 1 mi. SE of Gualla, NW county 15 Comment
  CAS-BOT-BC200337  Rhododendron occidentale var. occidentale A. A. Heller 1902-6-24 5749 Sonoma Near Burke's Sanitarium Comment
  CDA32770  Rhododendron occidentale var. occidentale G. F. Hrusa, T. D. Wilfred 1992-5-26 9488 Sonoma Outer North Coast Ranges; Kortum Canyon Rd., near its intersection with Hwy 29 in town of Calistoga. 121 Comment
  CDA16153  Rhododendron occidentale var. occidentale R. Gross 1999-7-2 s.n. 1 Sonoma North Coast Ranges; NW side of Mt. St. Helena, seep below Ida Clayton Rd. (3 separate inds. on sheet.) 0 Comment
  CAS-BOT-BC111888  Rhynchospora californica Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111896  Rhynchospora capitellata John Thomas Howell 1945-8-14 21389 Sonoma Perry Marsh Comment
  CAS-BOT-BC111900  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111906  Rhynchospora capitellata Peter Rubtzoff 1951-6-16 253 Sonoma Pitkin Marsh; 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-BC111927  Rhynchospora recognita John Thomas Howell 1945-8-14 21393 Sonoma Perry Marsh Comment
  UC75440  Ribes californicum Milo S. Baker 1898-4-3 20 Sonoma between Forestville and Guerneville Comment
  UC75443  Ribes californicum Milo S. Baker 713 Sonoma near Santa Rosa Comment
  CAS-BOT-BC93058  Ribes californicum var. californicum Elmer I. Applegate 1932-3-19 7018 Sonoma West of Cloverdale. Comment
  CAS-BOT-BC169267  Ribes divaricatum Lewis S. Rose 1962-4-11 62018 Sonoma Laguna de Santa Rosa 1/2 mi. e of Cunningham 15 Comment
  SEINET13942449 Image available Ribes divaricatum Lewis S. Rose 1962-1 62018 Sonoma Laguna de Santa Rosa, 0.5 mi E of Cunningham, alt ca 50 ft, edge of marsh 15 Comment
  CAS-BOT-BC169002  Ribes divaricatum var. pubiflorum A. A. Heller; H. E. Brown 1902-3-12 5038 Sonoma Sonoma Creek, eastern base of Mt. Hood Comment
  CAS-BOT-BC169004  Ribes divaricatum var. pubiflorum G. DeNevers 1981-6-6 1461 Sonoma Woodland on N slope of Telegraph Hill, Pepperwood Ranch Comment
  SEINET12216688  Ribes menziesii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -157 Sonoma ca 5 mi E of Bridgehaven on Willow Creek Road 145 Comment
  CAS-BOT-BC198920  Ribes roezlii var. cruentum A. A. Heller; H. E. Brown 1902-3-12 5037 Sonoma Sonoma Creek, Estern Base of Mt. Hood Comment
  CAS-BOT-BC198926  Ribes roezlii var. cruentum Alice Eastwood 1922-3-26 11107 Sonoma Mt. St. Helena Comment
  UC11484  Ribes roezlii var. cruentum F. T. Bioletti 1894-1 Sonoma near Hood's Peak Comment
  UC75445  Ribes sanguineum var. glutinosum Milo S. Baker 1899-6-26 Sonoma near Russian River (Coast Road) Comment
  CAS-BOT-BC168766  Ribes victoris A. A. Heller 1902-6-26 5773 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  RSA247443  Rorippa curvisiliqua Peter Rubtzoff 1958-5-17 3662 Sonoma Laguna de Santa Rosa, north of Sebastopol, (nr. Occidental Road). Comment
  CAS-BOT-BC74848  Rorippa palustris var. palustris Peter Rubtzoff 1964-8-20 5470 Sonoma Near pond 1 mile southeast of Jenner (near junction of Hihgways 1 and 12). Comment
  CAS-BOT-BC152662  Rosa californica Peter Rubtzoff 1958-7-19 3770 Sonoma Laguna de Santa rosa east of Sebastopol Comment
  CAS-BOT-BC152664  Rosa californica Peter Rubtzoff 1953-5-16 1369 Sonoma Vacation Beach, near Guerneville, bank of Russian River Comment
  CAS-BOT-BC146779  Rosa gymnocarpa Peter Rubtzoff 1954-7-27 1589 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC146920  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma S.W. slope of Hood Mt. at top of Rose Butte 243 Comment
  CAS-BOT-BC274268  Rostraria cristata Beecher Crampton 1957-5-16 4038 Sonoma Hot Springs Road, 3 miles southwest of Cloverdale Comment
  UCD92279  Rostraria cristata Beecher Crampton 1957-5-16 4038 Sonoma 3 miles SW of Cloverdale, Hot Springs Road. Comment
  CAS-BOT-BC262810  Rubus Peter Rubtzoff 1958-5-3 3613 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC262825  Rubus Peter Rubtzoff 1954-8-11 1691 Sonoma Guerneville Marsh. Comment
  UCD113763  Rubus armeniacus Mary M. Hektner 1975-8-14 221 Sonoma on fence along State Highway 1, just north of Galleons Reach, Sea Ranch. Comment
  UCD17812  Rubus leucodermis H. Olmo 8-10 May 1962 62 07 Sonoma California. Sonoma County: 7.4 miles from junction of road to Fort Ross, in Cazadero. Near entrance to Horseshoe Ranch. Comment
  UCR279611  Rubus spectabilis Peter Rubtzoff 1959-6-6 4089 Sonoma Willow Creek Marsh 9 Comment
  CAS-BOT-BC157175  Rubus ursinus Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC366883  Rumex Greg de Nevers 1997-9-22 11088 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  UCR255649  Rumex Greg de Nevers 1997-9-22 11088 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 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
  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
  SD39768  Rumex acetosella E. A. Purer 1932-7-21 4039 Sonoma Bodega Bay Comment
  UCD19485  Rumex acetosella Terry Reedy 1974-5-11 206 Sonoma Bodega Head, between road and freshwater marsh. 6 Comment
  CAS-BOT-BC422297  Rumex californicus Alice Eastwood; John Thomas Howell 1938-7-6 6088 A Sonoma Alder Glen Springs Comment
  CAS-BOT-BC421850  Rumex conglomeratus C. F. Leithold 1893-7-1 s.n. Sonoma Bennet [Bennett] Valley Comment
  CAS-BOT-BC421856  Rumex conglomeratus John Thomas Howell 1938-7-3 13962 Sonoma Pitkin Marsh Comment
  UCD101121  Rumex crassus Ann F. Johnson 1979-6-19 s.n. Sonoma South of entrance road to Bodega Dunes State Park. Comment
  UCD158827  Rumex crispus James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2897 Sonoma old mine on the Geysers Road, west of The Geysers, Section 14. (Elevation estimated by label maker using Google Earth.) 548 Comment
  CAS-BOT-BC433697  Rumex obtusifolius Peter Rubtzoff 1987-7-18 9799 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Off Summerhouse Park Road 0.2 mile from (west of) Forest Hills Road. Comment
  CAS-BOT-BC433741  Rumex occidentalis Mary P. Wells 1987-2-28 846 Sonoma Within the fork in the north creek south of Pacific Reach. The Seaside Meadow of The Sea Ranch. Comment
  SD56751  Rumex pulcher Darley F. Howe 1963-7-2 3579 Sonoma 4.2 mi. no. of jnct. With #12 on #1, on sea bluff Comment
  SDSU9724  Rumex pulcher D. F. Howe 1963-7-2 3579 Sonoma 4.2 miles N of juction with #12, on #1. Comment
  UCD101469  Rumex pulcher M. Wiesendanger 1927-5-5 708 Sonoma location unknown. Comment
  RSA698487  Rumex salicifolius var. montigenitus J. R. Bruff 1936-07 s.n. Sonoma Bodega Bay. Comment
  UCR25318  Rytidosperma penicillatum John C. Roos 1957-7-2 6651 Sonoma Miller Ridge Comment
  SEINET4344595 Image available Rytidosperma penicillatum Unknown 2003-7-19 18246 Sonoma Bodega Bay, coastal meadow behind community center on west side of Hwy 1 north of town. Comment
  CAS-BOT-BC445770  Sagittaria latifolia A. A. Heller 1902-7-1 5799 Sonoma Lagoon at Sebastopol Comment
  UC728605  Sagittaria latifolia Milo S. Baker 1945-7-18 11119 Sonoma Pitkin Marsh Comment
  UC935765  Sagittaria latifolia Malcolm A. Nobs and S. Galen Smith 1949-6-29 920 Sonoma on road to Sebastopol the Laguna marshy area w Santa Rosa; Laguna marshy area Comment
  CAS-BOT-BC445769  Sagittaria latifolia F. G. Krauss 1893-10-14 s.n. Sonoma County Road, Sonoma Valley Comment
  CAS-BOT-BC445776  Sagittaria latifolia Peter Rubtzoff 1963-10-9 5296 Sonoma Laguna de Santa Rosa east of Graton. Comment
  UC1191412  Salicornia europaea Herbert L. Mason 1946-7-29 12956 -A Sonoma 0.5 mi n Sears Point Comment
  CAS-BOT-BC290708  Salix Peter Rubtzoff 1974-4-6 7358 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC126267  Salix X sepulcralis Peter Rubtzoff 1952-3-23 905 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC103074  Salix bonplandiana A. A. Heller 1902-4-23 5348 Sonoma Near Sonoma Comment
  CAS-BOT-BC103945  Salix exigua Peter Rubtzoff 1969-8-29 6179 Sonoma Pond ca. 3 mi. west of Fulton on River Road Comment
  SEINET10380777  Salix exigua A. A. Heller 1902-4-8 5224 Sonoma Bennet Valley, SE of Santa Rosa. Comment
  UC66158  Salix laevigata A. A. Heller 1902-4-22 5346 Sonoma on Santa Rosa Creek near Santa Rosa; Santa Rosa Creek Comment
  UC453090  Salix lasiandra subsp. lasiandra W. A. Setchell 1931-7-25 10 Sonoma Bohemian Grove near Monte Rio; Russian R. Comment
  UC66172  Salix lasiandra subsp. lasiandra A. A. Heller 1902-4-18 5329 Sonoma on Russian R. near Windsor; Russian R. Comment
  CAS-BOT-BC128057  Salix lasiandra var. lasiandra Peter Rubtzoff; T. J. Crovello 1964-9-3 5496 Sonoma Bodega Harbor Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC107255  Salix lasiolepis Ball; Bracelin; Parks & Parks 1931-4-12 34 Sonoma Maacama Creek, about 25 km. northwest of Calistoga Comment
  SD37469  Salix lasiolepis Edith A. Purer 1932-7-24 4085 Sonoma Near Bodega Bay, sand dunes Comment
  UC453100  Salix lasiolepis W. A. Setchell 1931-7-31 18 Sonoma Bodega Bay; bottom of small canyon Comment
  UC453112  Salix lasiolepis W. A. Setchell 1931-8-1 26 Sonoma Jenner-by-the-Sea Comment
  UC511621  Salix lasiolepis W. A. Setchell 1933-7-2 1 Sonoma well away from Russian R. Bohemian Grove (Monte Rio) Comment
  POM281345  Salix lasiolepis Lyman D. Benson 1930-3-20 1954 Sonoma Toward Healdsburg. Santa Ross. N Coast mtn range. 152 Comment
  SEINET10396327  Salix lasiolepis A. A. Heller 1902-8-23 5097 Sonoma Santa Rosa Creek, E of Santa Rosa. Comment
  CAS-BOT-BC107353  Salix lasiolepis var. bigelovii Baker; Ball; Bracelin; Crum 1931-5-9 345 Sonoma About 2 km. east of Bodega Bay Comment
  POM281344  Salix lasiolepis var. bigelovii Carleton R. Ball, B. S. Ball 1933-5-6 2501 Sonoma 4 miles SW of Calistoga. On road to Petrified Forest and just over the Napa Co line. Comment
  CAS-BOT-BC128318  Salix lasiolepis var. lasiolepis W. A. Setchell 1933-7-2 1 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  RSA534501  Salix lucida subsp. lasiandra Peter Rubtzoff 1962-5-5 4805 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC126182  Salix scouleriana Peter Rubtzoff 1955-8-13 2048 Sonoma Duncans Mills Marsh 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-BC128911  Salix sitchensis A. A. Heller 1902-3-12 5044 Sonoma Sonoma Creek, foot of Mt. Hood Comment
  CAS-BOT-BC128946  Salix sitchensis Peter Rubtzoff 1962-9-9 5075 Sonoma Brooks Gulch Marsh Comment
  JEPS86742  Salix sitchensis Jack and Betty Guggolz 1990-6-22 1076 Sonoma ca. 12 km. e Healdsburg (next to Redwood Creek just above its confluence with Maacamas Creek); Ferrari-Carano Ranch 73 Comment
  POM362959  Salix sitchensis Carleton R. Ball, H. P. Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 35 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  SBBG50693  Salix sitchensis R. F. Denno 1967-3-23 13 Sonoma St Hwy 1, 4 mi S of Fort Ross 30 Comment
  UC453081  Salix sitchensis W. A. Setchell 1931-7-25 3 Sonoma above Russian R. at Bohemian Grove near Monte Rio Comment
  UC504049  Salix sitchensis W. A. Setchell 1933-5-6 Sonoma roadside between Monte Rio and Camp Meeker Comment
  UC1124722  Salvia columbariae H. S. Yates 1934-4-22 3862 Sonoma near Petrified Forest; Calistoga Quad. 243 Comment
  UCD137236  Sambucus nigra subsp. caerulea C. Wistrom 1996-5-26 31 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  UCD158730  Sambucus nigra subsp. caerulea Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 1.5 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 792 Comment
  UC1057437  Sanicula arctopoides G. Thomas Robbins 1937-3-26 22 Sonoma near Bodega Bay Comment
  UC174166  Sanicula arctopoides Katharine Brandegee June, 1905 Sonoma Bodega Comment
  RSA177985  Sanicula bipinnatifida R. F. Thorne 1965-4-20 34341 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  JEPS77263  Sanicula bipinnatifida Robert M. Lloyd 1963-4-24 2400 Sonoma 16.5 mi from State Hwy (on road to Oakdale) 274 Comment
  POM117139  Sanicula crassicaulis Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  RSA177952  Sanicula crassicaulis R. F. Thorne 1965-4-20 34325 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UC1022491  Sanicula crassicaulis C. Ritchie Bell 1952-3-8 3 X334 Sonoma between Santa Rosa and Calistoga Comment
  UCD166486  Saponaria Peter Rubtzoff 1965-9-5 5634 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  UC11769  Saxifraga californica F. T. Bioletti 1894-1 Sonoma Hood's Peak Comment
  UC1084361  Saxifraga mertensiana G. Thomas Robbins 1937-3-26 24 Sonoma near Bodega Bay Comment
  CAS-BOT-BC441180  Saxifraga mertensiana J. Burtt Davy 1896-3-14 1667 Sonoma Adobe Canon Comment
  UC1348903  Scandix pecten-veneris Robert F. Thorne 1965-4-19 34262 Sonoma Cotati, Waters Ranch 30 Comment
  RSA178019  Scandix pecten-veneris R. F. Thorne 1965-4-19 34278 Sonoma Titus Ranch, Valley Ford. 18 Comment
  UCSB24052  Scandix pecten-veneris James, C. 1966-4-24 Sonoma Highway 12, 2 miles east of its junction with State 116 Comment
  CAS-BOT-BC283142  Schedonorus arundinaceus G. De Nevers 1981-6-20 1593 Sonoma Along Leslie Creek near confluence with Mark West Creek, Pepperwood Ranch Comment
  CAS-BOT-BC283144  Schedonorus arundinaceus Mary P. Wells 1981-7-2 s.n. Sonoma Unit 35A, near Leeward Road, The Sea Ranch Comment
  CAS-BOT-BC283146  Schedonorus arundinaceus David L. Morgan 1960-7-7 s.n. Sonoma On Roblar Road 1/2 mi. W. of Stony Pt. Road at R.R. crossing Comment
  CAS-BOT-BC311819  Schedonorus arundinaceus Peter Rubtzoff 1960-6-5 4432 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC422351  Schedonorus arundinaceus Peter Rubtzoff 1960-5-22 4406 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC111532  Schoenoplectus americanus Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7803 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC111528  Schoenoplectus americanus Peter Rubtzoff 1972-8-26 6861 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC111534  Schoenoplectus americanus Peter Rubtzoff 1970-8-18 6314 Sonoma 5 mi north of Sears Point. Open, wet muddy margin of a pond. Comment
  CAS-BOT-BC111637  Schoenoplectus californicus Peter Rubtzoff 1970-8-5 6298 Sonoma 5 mi. north of Sears Point. Shallow water at the edge of a pond. 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-BC361425  Scirpus microcarpus Greg de Nevers 1997-4-1 10925 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCR255659  Scirpus microcarpus Greg de Nevers 1997-4-1 10925 Sonoma Santa Rosa, Pepperwood Ranch, 3450 Franz Valley Road 400 Comment
  UC841014  Scirpus pungens Marcus E. Jones, A. M. 1882-7-18 3526 Sonoma Duncan's Mills Comment
  SEINET12058065  Scoliopus bigelovii F. H. Utech 1988-3-2 88 -011 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  CAS-BOT-BC320535  Scrophularia californica Peter Rubtzoff 1958-8-23 3913 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UCD124820  Scrophularia californica Mary M. Hektner 1974-6-19 26 Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. Comment
  RSA0022383  Scrophularia californica Peter Rubtzoff 1958-8-23 3913 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC376397  Scrophulariaceae Greg de Nevers 1995-12-3 10777 Sonoma Ida Clayton Road over Mt. St. Helena, 3 miles north of Highway 128. 182 Comment
  UCD151191  Scutellaria californica James A. Neilson Jr. 1974-7-10 2846 Sonoma Mayacmas Mountains, west side of Cobb Mountain, along road to PG and E geothermal units 9 and 10 at the Geysers. (Elevation estimated using a topo map by label maker.) 960 Comment
  UCR254833  Scutellaria tuberosa Greg de Nevers 1997-4-16 10933 Sonoma North Coast Range, Cavedale Road 152 Comment
  UC615252  Sedum spathulifolium Beryl O. Schreiber 1934-5-16 1125 Sonoma near Healdsburg; near Healdsburg Comment
  UCD151222  Sedum spathulifolium James A. Neilson Jr. 1974-5-17 2978 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  CAS-BOT-BC363430  Senecio aronicoides A. A. Heller; H. E. Brown 1902-4-11 5264 Sonoma Bodega Bay Comment
  UCD151310  Senecio aronicoides James A. Neilson Jr. 1974-4-30 2726 Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, (Elevation and coordinates estimated by label maker.) 731 Comment
  UC727695  Senecio flaccidus var. douglasii Milo S. Baker 1946-6-17 11504 Sonoma Russian River Hiway about 5 mi n Cloverdale Comment
  RSA167465  Senecio flaccidus var. douglasii Joseph P. Tracy 1946-9-3 17652 Sonoma Russian River. Comment
  UCD148425  Senecio glomeratus Peter Rubtzoff 1960-10-29 4577 Sonoma Bodega Harbor Marsh. Comment
  CDA35516  Senecio jacobaea Ed Finley 1986-8-2 s.n. Sonoma Sea Ranch, Coast Hwy 1, west side, near marker 53.41. 0 Comment
  JEPS37084  Senecio minimus W. L. Jepson 1931-7-19 15954 Sonoma between Russian River mouth and Occidental Comment
  SEINET10827242  Setaria parviflora P. Rubtzoff 1971-9-2 Rubtzoff 6685 Sonoma Todd Road near Stony Point Road. Dry roadside ditch, in the open. Comment
  CAS-BOT-BC240155  Setaria pumila John Thomas Howell 1957-9-26 32976 Sonoma Sandy Russian River bottom near Guerneville Comment
  CAS-BOT-BC240168  Setaria verticillata Walter Knight; Irja Knight 1963-10-14 413 Sonoma Blomquist Ranch, Penngrove Comment
  SBBG4695  Sidalcea H. and M. Dearing 1939-5-14 3368 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UC202838  Sidalcea calycosa subsp. calycosa Milo S. Baker May 1889 Sonoma Stewarts Canyon North Falls, Stewarts Canyon Comment
  RSA6147  Sidalcea calycosa subsp. calycosa Carl B. Wolf 1933-6-26 s.n. Sonoma 1-4/10 miles above the power plant house on road to Camp Nelson. Upper Tule River 1037 Comment
  UC400138  Sidalcea diploscypha Ynez Mexia 1929-6-2 2395 Sonoma near Mark West Springs; near Mark West Springs Comment
  UC73427  Sidalcea diploscypha Milo S. Baker 1898-5-7 Sonoma Glen Ellen Comment
  UC108867  Sidalcea diploscypha Katharine Brandegee 1905-6-8 Sonoma bet Santa Rosa Sevastopol; bet Santa Rosa and Sevastopol Comment
  UC1299201  Sidalcea diploscypha Freed W. Hoffman 1950-5-27 3592 Sonoma on Healdsburg-Guerneville Highway North Coast Ranges, Roy Litton Ranch (Roy Litton Ranch) Comment
  UC408411  Sidalcea malviflora subsp. laciniata I. J. Condit 1913-3-7 Sonoma Petaluma Comment
  RSA41897  Sidalcea malviflora subsp. purpurea Ella Dales Cantelow 1938-5-7 s.n. Sonoma 4 miles N of Fort Ross Comment
  CAS-BOT-BC213172  Sidalcea oregana subsp. valida Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7813 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC290626  Sidalcea oregana subsp. valida Peter Rubtzoff; Rimo Bacigalupi 1979-8-6 9305 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 miles west of its junction with Franz Valley Road. Comment
  CAS-BOT-BC361292  Silene Greg de Nevers 1993-5-16 10449 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Devil's Kitchen east of 3865 Franz Valley Road 457 Comment
  UC1300952  Silene gallica Helen K. Sharsmith 1963-5-25 5478 Sonoma on road from Freestone to Occidental; San Francisco Bay Region, rd fr Freestone to Occidental 121 Comment
  UCD98711  Silene gallica Rimy Waraich; Patti Togioka 1993-5-8 240 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail. 365 Comment
  UCD160832  Silene laciniata subsp. californica James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3361 Sonoma Section 10, on the Geysers Road west of The Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC389230  Silene laciniata subsp. californica Peter Rubtzoff 1952-6-10 1225 Sonoma Top of Fitch Mtn., near Healdsburg 304 Comment
  CAS-BOT-BC75373  Sisymbrium officinale John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53983 Sonoma Fairfield Osborn Preserve of the Nature Conservancy. 457 Comment
  UCD138810  Sisyrinchium bellum Cynthia Hodges 1982-4-8 15 Sonoma 10 miles south Healdsburg on Chalk Hill Road directly off Highway 128. 38 Comment
  SEINET5272562  Sisyrinchium californicum Unknown 1994-4-3 81 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; Hwy 1 Comment
  UC1585373  Smilacina racemosa R. Raiche, K. Zadnik, and H. Forbes 1989-10-1 UCBG 6 Sonoma 0.3 km e Stewarts Point (on Skaggs Springs-Stewarts Point Rd, nw-facing bank) 50 Comment
  CAS-BOT-BC164422  Solanum Peter Rubtzoff 1963-10-5 5287 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC164424  Solanum Peter Rubtzoff 1969-8-29 6175 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  CAS-BOT-BC166973  Solanum Peter Rubtzoff 1958-9-20 3994 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 miles north Guerneville Road). Comment
  RSA0030765  Solanum Peter Rubtzoff 1958-8-17 3889 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  UC583529  Solanum umbelliferum Elmer I. Applegate 1934-3-25 8854 Sonoma Pine Flat, w slope of the Mayacama Mountain Range Pine Flat; Mayacama Mountain Range, Pine Flat Comment
  NY820383  Solanum xanti A. A. Heller 1902-3-16 5076 Sonoma Russian River, Near Trenton Comment
  CAS-BOT-BC365588  Solidago elongata John Thomas Howell 1945-8-14 21401 Sonoma Perry Marsh Comment
  UCD136069  Solidago spathulata G. F. Hrusa; G. L. stebbins, J. McCaskill 1993-9-14 11419 Sonoma along Cavedale Road approximately 2.7 miles east of Highway 12. 400 Comment
  CAS-BOT-BC368009  Solidago velutina subsp. californica Greg de Nevers 1989-9-15 9104 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UCD165151  Soliva sessilis Peter Rubtzoff 1974-5-18 7433 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173668  Soliva sessilis Peter Rubtzoff; Walter Lennon 1974-5-11 7397 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC365958  Soliva sessilis Peter Rubtzoff 1951-6-16 242 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC365965  Soliva sessilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True 1981-5-14 53941 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-BC164029  Sonchus Peter Rubtzoff 1955-8-20 2062 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC374526  Sonchus asper John Thomas Howell 1932-9-18 10776 Sonoma Kenwood Marsh Comment
  UCD134042  Sonchus oleraceus Frederica Bowcutt 1984-6-23 435 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. North of Gerstle Cove approx. 1/4 mile. W of Highway 1. 15 Comment
  CAS-BOT-BC236527  Sorghum bicolor Walter Knight; Irja Knight 1963-10-11 428 Sonoma Marshall Ave., Petaluma Comment
  UCD167343  Sorghum halepense James Neilson 1981-5-28 4034 Sonoma Mayacmas Mountains.1/2 mi. west Big Geysers. (Location information obtained from Neilson 4033 indicates that the location is at lookout point along road fill over culvert 1/2 mi. west Big Geysers. Exact location unknown. Coordinates estimated by label maker.) Comment
  JEPS32223  Sparganium eurycarpum var. eurycarpum F. T. Bioletti Jun 1893 Sonoma Kenwood Comment
  RSA178018  Spergula arvensis R. F. Thorne 1965-4-19 34277 Sonoma Titus Ranch, Valley Ford. 18 Comment
  CAS-BOT-BC320575  Spergularia Peter Rubtzoff 1971-7-3 6591 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UCD99214  Spergularia macrotheca Mary M. Hektner; Cathy Hendel 1974-7-25 176 Sonoma at west end of Fish Rock Road; Unit 35-A Owners' Map, Sea Ranch, near Highway 1. Comment
  CAS-BOT-BC323826  Spergularia rubra Peter Rubtzoff 1969-8-14 6130 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  RSA0022423  Spergularia rubra Peter Rubtzoff 1969-8-14 6130 Sonoma Along Salmon Creek, ca. 0.5 mi upstream from Hwy #1. Comment
  CAS-BOT-BC502058  Stachys Peter Rubtzoff 1971-7-23 6609 Sonoma Laguna, Chileno Valley Comment
  JEPS87220  Stachys ajugoides Jack and Betty Guggolz 1992-6-22 1320 Sonoma cattle pasture se Knowles Corner 36 Comment
  UCLA70856  Stachys ajugoides var. rigida C. Epling, Wm. Robison 1935-7-28 Sonoma Shellville Comment
  UC380648  Stachys chamissonis Marcus E. Jones, A. M. 1882-7-17 3448 Sonoma Duncan's Mills Comment
  UCD19189  Stachys rigida var. quercetorum Ray Hoffman 1976-5-31 22 Sonoma 0.3 mi. south of junction of State Hwy 116 and Moscow Rd., 0.2 mi. south on Freezeout Rd. 15 Comment
  CAS-BOT-BC251256  Stellaria media Peter Rubtzoff 1964-7-29 5437 Sonoma Brooks Gulch Marsh. Comment
  UCD99376  Stellaria media Botany 102 Students 1993-4-24 182 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail. 411 Comment
  JEPS36888  Stephanomeria virgata subsp. pleurocarpa W. L. Jepson 1938-10-1 19047 Sonoma s slope of Mt. St. Helena (half-way to pass) Comment
  JEPS128386  Stipa lepida Roger Raiche 2000-5-4 063 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCR142044  Stipa lepida Beecher Crampton 1955-6-17 2966 Sonoma North Coast, 1.5 miles east of Fort Ross 366 Comment
  CAS-BOT-BC61163  Streptanthus barbiger Roger Raiche 1984-6-10 RR 40212 Sonoma Hot Springs Road west of Cloverdale, 8.6 miles west on Hot Springs Road from its origin at Route 101, across Dry Creek. 198 Comment
  UCD167315  Streptanthus brachiatus James Neilson 1977-6-7 3907 Sonoma Mayacmas Mountains, Lunar Point. (Location information obtained from Neilson 3911 which indicated that Lunar Point is west of Locke Cabin. Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD167314  Streptanthus glandulosus James Neilson 1977-6-7 3906 Sonoma Mayacmas Mountains, about 1/3 mi south east Lunar Point. (Location information obtained from Neilson 3911 which indicated that Lunar Point is west of Locke Cabin. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC87230  Streptanthus glandulosus subsp. glandulosus Anna F. Rodda 1929-5-6 s.n. Sonoma Geyserville. Comment
  CAS-BOT-BC87236  Streptanthus glandulosus subsp. hoffmanii A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero. Comment
  JEPS86337  Streptanthus glandulosus subsp. secundus Jack and Betty Guggolz 1988-5-8 928 Sonoma outcrop on e side of Pine Flat Road 7.9 mi from Hwy 128 Comment
  UC1492785  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-6-4 2904 Sonoma along road at base of mt 2.2 mi from Healdsburg Park (e of Healdsburg); North Coast Ranges, Fitch Mountain Comment
  UC1492784  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-27 3363 Sonoma near Porter Creek; North Coast Ranges, Fred McMurray Ranch Comment
  CAS-BOT-BC87297  Streptanthus glandulosus subsp. sonomensis John Thomas Howell 1937-7-4 13077 Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC87293  Streptanthus glandulosus subsp. sonomensis Peter Rubtzoff 1952-6-1 1135 Sonoma Fitch Mountain Grove, near Healdsburg. Comment
  CAS-BOT-BC87303  Streptanthus glandulosus subsp. sonomensis Doreen Smith 2003-5-1 s.n. Sonoma Coleman Valley Road. South of the road. Comment
  JEPS82241  Streptanthus morrisonii Roger Raiche 1983-8-6 30581 Sonoma headwaters Austin Creek (The Cedars); , Austin Creek 182 Comment
  UC1601622  Streptanthus tortuosus Milo S. Baker 1940-7-15 9781 Sonoma cliffs Hood's Peak Comment
  UCD138358  Stuckenia pectinata E. D. Mathews 1931-9-8 s.n. Sonoma Exact location unknown. Comment
  CAS-BOT-BC245856  Symphoricarpos James McMurphy 1909-5-29 s.n. Sonoma Between Geyser Peak and Black Mountain Comment
  CAS-BOT-BC540817  Symphoricarpos Peter Rubtzoff 1961-9-6 4735 Sonoma Laguna de Santa Rosa area northeast of Graton. 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-BC97818  Symphyotrichum chilense Peter Rubtzoff 1951-9-15 763 Sonoma open ground bordering the central part of the Pitkin Marsh Comment
  CAS-BOT-BC97830  Symphyotrichum chilense Walter Knight; Irja Knight 1963-10-3 498 Sonoma Bennett Valley 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
  UCD136523  Symphyotrichum chilense Mary M. Hektner; Cathy Hendel 1974-7-20 155 Sonoma roadside at junction of Whalebone Reach and State Highway 1, Sea Ranch, Unit 28 Owners' Map. Comment
  UC29898  Symphyotrichum spathulatum J. Burtt Davy 1897-9-19 4030 Sonoma Petaluma Marshes Comment
  CAS-BOT-BC99377  Symphyotrichum subspicatum Peter Rubtzoff 1951-9-15 768 Sonoma Lower part of the Upper Marsh; Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC221968  Taeniatherum caput-medusae John Thomas Howell 1967-6-17 42595 Sonoma Hot Springs Road sw. of Cloverdale Comment
  CDA16157  Taeniatherum caput-medusae G. F. Hrusa, R. Gross 1999-6-12 15078 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
Read comments
Jul 28 2008
  CDA19953  Taeniatherum caput-medusae G. Bjork 2002-7-17 PDR P 092669 Sonoma North Coast Ranges; Calistoga road at Alpine Rd. 0 Comment
  CAS-BOT-BC376984  Taraxacum officinale John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53962 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  SEINET12217339  Tellima grandiflora F. H. Utech 1988-1 88 -201 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  CDA24367  Thalictrum fendleri var. polycarpum Sherrald 1929-5-3 Sonoma 0 Comment
  CAS-BOT-BC399886  Thalictrum polycarpum Greg de Nevers 1996-4-21 10796 A Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  POM196178  Thermopsis californica var. californica Emma Hawkins 1929-3-10 s.n. Sonoma Coast Ranges Comment
  CAS-BOT-BC66815  Thysanocarpus curvipes G. DeNevers 1981-3-25 559 Sonoma Pepperwood Ranch. On Franz Valley Road below Walter Wards house. Comment
  CAS-BOT-BC447591  Tiarella trifoliata subsp. unifoliata Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  UC420446  Tiarella trifoliata var. unifoliata Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC447589  Tiarella trifoliata var. unifoliata L. R. Abrams 1920-7-3 7599 Sonoma Gualala River Comment
  POM14823  Tonella tenella A. A. Heller, H. E. Brown 1902-4-4 5217 Sonoma Hills east of Santa Rosa Comment
  UC71975  Tonella tenella Milo S. Baker May 1903 Sonoma Sonoma Creek Comment
  SD130530  Tonella tenella F. Almeda, G. DeNevers 1981-3-30 4894 Sonoma Streambank in vicinity of the Redwood Canyon, Pepperwood Ranch Comment
  JEPS128233  Torilis arvensis Roger Raiche 2000-5-28 115 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET5850106 Image available Torilis arvensis Robert A. Norris, John L. Inase, Allen Nakagwa 1981-1 4205 Sonoma Local in dry ditch by Trenton Rd., just S of and paralleling River Rd., (near N part of Laguna de Santa Rosa), approx. halfway between Guerneville and Santa Rosa, Sonoma Co. Calif. 15 Comment
  CAS-BOT-BC173707  Torreyochloa pallida var. pauciflora Peter Rubtzoff 1977-9-4 9128 Sonoma Cunningham Marsh area, ca. 1 air mile west-southwest of Cunningham Station. Comment
  UCR265117  Toxicoscordion fontanum Ann Howald 2015-1-30 3311 Sonoma North Coast, Coastal terrace, c. 3 miles southeast of Del Mar Point 64 Comment
  UCD81429  Tragopogon porrifolius M. Wiesendanger 1927-5-5 s.n. Sonoma Sonoma. Comment
  UCSB21811  Tragopogon porrifolius McCarthy, Sharon 1965-4-17 Sonoma At corner of 5th Street West and McArthur Street, Sonoma 25 Comment
  SDSU11972  Triantha occidentalis subsp. occidentalis D. F. Howe 1972-6-27 4842 Sonoma Near Pitkin Marsh 46 Comment
  OBI13449  Trichostema laxum Robert F. Hoover 1965-6-29 9473 Sonoma N of summit on Harrison Grade rd near Occidental Comment
  SD58366  Trichostema laxum Harry K. Roberts 1961-6-20 Sonoma Roadside and open areas at summit of Harrison Grade, north and east of Occidental. Comment
  UC157931  Trichostema laxum Milo S. Baker 1898-6-12 675 Sonoma Geyser Canyon Comment
  UC479126  Trichostema laxum Marcus E. Jones 1931-7-5 28816 Sonoma The Geysers Comment
  CAS-BOT-BC166775  Trifolium Peter Rubtzoff 1974-4-17 7376 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173536  Trifolium Peter Rubtzoff 1974-6-2 7510 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173570  Trifolium Peter Rubtzoff 1974-4-17 7373 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173569  Trifolium Peter Rubtzoff 1974-5-18 7421 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA784984  Trifolium Peter Rubtzoff 1972-6-23 6786 Sonoma Atascadero Creek Marsh. Comment
  UCSC010632  Trifolium R. Morgan 2014-5-12 5637 a Sonoma Bodega Head Comment
  UC726770  Trifolium albopurpureum var. dichotomum A. A. Heller 1940-5-6 15590 Sonoma near Petrified Forest (roadside bank) Comment
  CAS-BOT-BC217054  Trifolium amoenum R. F. Hoover 1969-5-26 11349 Sonoma 2 mi. s. of Petaluma on Point Reyes Road. Comment
  JEPS65855 Image available Trifolium amoenum Joseph P. Tracy 1921-5-13 5548 Sonoma near Petaluma; Northern Coast Ranges 15 Comment
  UCSC011164  Trifolium appendiculatum R. Morgan 2005-5-14 4423 D Sonoma Originally from one or two plants in Santa Rosa Comment
  UC555446  Trifolium barbigerum H. L. Mason 1931-4-12 5843 Sonoma 1.5 mi w Fulton Comment
  JEPS65920  Trifolium barbigerum var. andrewsii V. Blackney April 1929 Sonoma betw Trenton and Mark West Mt. Oliver School; Santa Rosa Comment
  CAS-BOT-BC368053  Trifolium ciliolatum Greg de Nevers 1998-5-12 11250 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD108258  Trifolium ciliolatum Erik Beever 1993-5-8 230 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Pony Gate Trail. 365 Comment
  SEINET12166389  Trifolium depauperatum H. K. Wagnon 1989-1 1851 Sonoma Spring Lake Park and environs. Adjacent to MOntgomery Drive 67 Comment
  CHSC33018  Trifolium depauperatum var. depauperatum Jane A. Rogers 1979-4-14 7 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/2 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. 27 Comment
  UC16480  Trifolium depauperatum var. depauperatum F. T. Bioletti 1892-1 Sonoma Comment
  UC1026471  Trifolium dubium Peter Rubtzoff 1951-7-14 439 Sonoma near Forestville (s half of lower marsh, near hwy); Pitkin Marsh Comment
  UCD108861  Trifolium dubium Caitlin Lewis; William Mutch 1993-4-17 8 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain 1 mile. Near visitor center. 365 Comment
  CAS-BOT-BC371475  Trifolium fragiferum Greg de Nevers 1995-7-19 10761 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Trapper's Cabin 400 Comment
  UC631613  Trifolium fucatum P. B. Kennedy 1928-5-13 10151 Sonoma Sonoma to San Rafeal hwy Comment
  POM89154  Trifolium fucatum F. W. Peirson 1926-4-1 6551 Sonoma 6 miles south of Cloverdale. Comment
  UCD165133  Trifolium hydrophilum Peter Rubtzoff 1974-5-11 7403 Sonoma Laguna de Santa Rosa east of Sebastopol (south of Hwy. 12 crossing). Comment
  UCD111235  Trifolium incarnatum Allen Hahus 1978-4-22 18 Sonoma 0.25 mile west of Jonive Road on Highway 12. Comment
  UCD111309  Trifolium macraei Mary M. Hektner 1976-5-10 255 Sonoma Along ocean bluff below Sea Ranch Association Office; Unit 36 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD161295  Trifolium microdon James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3689 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  UCD109175  Trifolium microdon R. Tofsrud 1951-5-20 s.n. Sonoma Huichica School near Sonoma. Comment
  POM21435  Trifolium oliganthum A. A. Heller, H. E. Brown 1902-4-15 5296 Sonoma Santa Rosa Creek Comment
  UCD165125  Trifolium subterraneum Peter Rubtzoff 1974-4-17 7373 Sonoma Upper Green Valley Marsh. Comment
  UCD55337  Trifolium vesiculosum Ellen Dean 2006-6-28 3181 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. In southeast part of vineyard where a new reservoir is planned 169 Comment
  JEPS86764  Trifolium willdenovii Jack and Betty Guggolz 1990-6-18 1072 Sonoma ca 11 km e Healdsburg (ne facing road-cut); Ferrari-Carano Ranch 228 Comment
  UC535099  Trifolium willdenovii H. E. Parks 1930-5-9 621 Sonoma edge of Alexander Valley Comment
  RSA19276  Trifolium wormskioldii Jens Clausen 1935-5-24 1091 Sonoma 6.2 miles south of Jenner. Comment
  SEINET5869493 Image available Triglochin maritima L. S. Rose 1964-1 64055 Sonoma N end of Bodega Bay Comment
  UCD138199  Triglochin scilloides G. F. Hrusa; R. Gross, A. Buckmann 1996-3-29 12742 Sonoma Napa Valley bottom, immediately S of Tubbs Lane, approx. 2 m. NW of Calistoga. 110 Comment
Read comments
May 25 2016
  CAS-BOT-BC520852  Trillium albidum Greg de Nevers 1993-4-6 10360 Sonoma Pepperwood Ranch Natural Preserve: 3450 Franz Valley Road 304 Comment
  UC72282  Trillium albidum Milo S. Baker 1898-3-23 696 Sonoma near Melita Melita Comment
  CAS-BOT-BC520848  Trillium albidum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  SEINET12050351  Trillium ovatum F. H. Utech 1988-1 88 -184 Sonoma 0.15 mi SE from East Avenue junction with Bohemian Road on latter 140 Comment
  UC76120  Triphysaria eriantha subsp. eriantha Milo S. Baker 1898-3-26 739 Sonoma Reservoir Hills Comment
  SD81262  Triphysaria eriantha subsp. rosea Darley F. Howe 1969-5-29 Sonoma Sea bluff at Sea Ranch Comment
  SD130528  Triphysaria pusilla F. Almeda, G. DeNevers 1981-3-30 4890 Sonoma Pepperwood Ranch, SE facing slopes just west of the Redwood Canyon Comment
  UC336299  Triphysaria versicolor subsp. faucibarbata Hy. Edwards May, 1877 323 Sonoma Knights Valley Comment
  HSC20865  Triphysaria versicolor subsp. faucibarbata Anonymous 1957-4-13 77 Sonoma 1 mi. N of El Verano Comment
  UC1042399  Triphysaria versicolor subsp. versicolor Lewis S. Rose 1948-5-1 48097 Sonoma Valley Ford 13 Comment
  CAS-BOT-BC227654  Trisetum canescens Peter Rubtzoff 1971-6-25 6570 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing. Comment
  UC1146666  Trisetum canescens Freed W. Hoffman 1943-6-6 2212 Sonoma coast road near Bridgehaven; North Coast Ranges Comment
  UCD93507  Trisetum canescens Beecher Crampton 1957-7-11 4310 Sonoma Along State Hwy. 1, 1.25 miles SE of Bodega Bay. Comment
  CAS-BOT-BC522372  Triteleia hyacinthina G. DeNevers 1981-5-23 1257 Sonoma Serpentine road cut at bottom of Franz Valley Road; Pepperwood Ranch Comment
  CAS-BOT-BC522374  Triteleia hyacinthina Catherine Best 1983-5-11 s.n. Sonoma In a field along the west side of Arnold Drive about .5 miles south of the intersection of Hwy. 116 Comment
  SEINET7067244  Triteleia laxa A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1 and east of Ocean Cove. Coordinate datum: NAD27. Comment
  CAS-BOT-BC527039  Triteleia laxa F. G. Kraus 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  RSA173356  Triteleia laxa Walter Knight 1965-6-5 1116 Sonoma McDowell Road 1/2 mile from Casa Grande Road. Petaluma Comment
  UC1041014  Triteleia peduncularis J. W. Congdon 1880-5-3 Sonoma Santa Rosa Comment
  CAS-BOT-BC527969  Triteleia peduncularis J. W. Congdon 1888-5-30 s. n. Sonoma Santa Rosa Comment
  CAS-BOT-BC527970  Triteleia peduncularis J. W. Congdon 1880-5-30 115 Sonoma Santa Rosa Comment
  CAS-BOT-BC527972  Triteleia peduncularis Peter Rubtzoff 1951-6-2 107 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC527976  Triteleia peduncularis Peter Rubtzoff 1957-5-26 3363 Sonoma Occidental Marsh Comment
  CAS-BOT-BC74107  Turritis glabra Alice Eastwood; John Thomas Howell 1938-5-15 5511 Sonoma Near Mark West Springs. Comment
  RSA216176  Typha domingensis Peter Rubtzoff 1955-8-21 2090 Sonoma Vacation Beach, near Guerneville. Near the margin of the Russian River. Comment
  RSA383399  Typha domingensis Christopher Davidson 1977-6-20 6023 Sonoma Dry Creek Road, 11.9 miles W of Geyserville. Gravel bar in Warm Springs Creek. 137 Comment
  RSA216183  Typha latifolia Peter Rubtzoff 1960-9-14 4537 Sonoma Laguna de Santa Rosa east of Graton below Occidental and Guerneville roads. Comment
  CAS-BOT-BC208028  Ulex europaeus Walter Knight; Irja Knight 1963-12-28 483 Sonoma Valley Ford-Bodego Bay highway Comment
  CAS-BOT-BC382823  Uropappus lindleyi K. L. Chambers 1978-4-29 4466 Sonoma Cloverdale to Fort Bragg road (Hwy. 128), 3.8 miles W of junction with Hwy. 101 at Cloverdale Comment
  CAS-BOT-BC403983  Urtica dioica subsp. gracilis Peter Rubtzoff 1959-6-6 4088 Sonoma Willow Creek Marsh Comment
  UCD111537  Urtica dioica subsp. gracilis P. G. Connors 1991-7-2 191 Sonoma Bodega Head and Dunes. Near Bodega Harbor, on Bodega Head. Comment
  CAS-BOT-BC404226  Urtica dioica subsp. holosericea Peter Rubtzoff 1973-9-9 7311 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC404243  Urtica dioica subsp. holosericea Peter Rubtzoff 1962-9-30 5098 Sonoma Vacation Beach, 2 mi. below Guerneville Comment
  RSA620427  Urtica dioica subsp. holosericea Peter Rubtzoff 1973-8-29 7279 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC404220  Urtica dioica subsp. holosericea Dennis W. Woodland 1968-6-10 1248 Sonoma 4 miles west of Calistoga on the Santa Rosa Road at road junction along wet stream bank 100 feet south of the road where both roads go to Santa Rosa Comment
  UCD118081  Vaccinium ovatum Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-6-29 094 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. 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
  CAS-BOT-BC199474  Vaccinium parvifolium Mrs. H. P. Bracelin 1930-7-27 s.n. Sonoma One mile N. of Fort Ross Comment
  CAS-BOT-BC199472  Vaccinium parvifolium L. R. Abrams 1920-7-3 7595 Sonoma Gualala River Comment
  CAS-BOT-BC76168  Vancouveria planipetala Peter Rubtzoff 1953-5-18 1409 Sonoma South of Guerneville. (Neeley Hill Area). Comment
  CAS-BOT-BC135768  Veratrum fimbriatum Elizabeth Eaton Morse 1936-8-30 s.n. Sonoma Gualala River Comment
  CAS-BOT-BC135771  Veratrum fimbriatum Catherine Best 1981-8-22 s.n. Sonoma On Green Hill Road 3 miles easterly, airline, from Occidental Comment
  CAS-BOT-BC154140  Verbascum Peter Rubtzoff 1954-7-27 1565 Sonoma [Guernerville] Guerneville Marsh Comment
  RSA201200  Verbascum virgatum Walter Knight, Pat Watters 1963-7-19 s.n. Sonoma Gravenstein Highway inersection with US 101 Freeway, Cotati. Comment
  UC104852  Verbena lasiostachys var. lasiostachys Alice Eastwood 1900-5-8 Sonoma Knight's Valley Comment
  RSA135429  Verbena lasiostachys var. lasiostachys Volney Rattan 1877-6-17 s.n. Sonoma Guernville 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
  UCD166171  Veronica Peter Rubtzoff 1969-6-14 6082 Sonoma Vernal pool 6.5 mi. northeast of Penngrove on Lichau Road. 426 Comment
  CAS-BOT-BC166807  Veronica americana Peter Rubtzoff 1958-6-1 3694 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  RSA94356  Veronica americana Peter Rubtzoff 1951-6-9 151 Sonoma Northern half of Lower Marsh. Comment
  JEPS67156  Veronica anagallis-aquatica Peter Rubtzoff 1971-8-24 6660 Sonoma 3 mi w of Fulton (tributary of Mark West Creek); Mark West Creek Comment
  RSA264766  Veronica anagallis-aquatica Peter Rubtzoff 1956-9-16 2920 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  UCR255034  Veronica peregrina Greg de Nevers 1998-4-21 11159 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA0021068  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1966-4-17 5680 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  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
  JEPS12695  Viburnum ellipticum Miss R. Kuhn May 1914 Sonoma Sonoma Comment
  CAS-BOT-BC258031  Vicia Peter Rubtzoff 1970-8-25 6339 Sonoma Austin Creek beach 0.5 miles north of Cazadero. Comment
  CAS-BOT-BC361410  Vicia hirsuta Greg de Nevers 1997-5-8 10991 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. Garrison Canyon 457 Comment
  UC17028  Vicia sativa W. H. Brewer 1862-4-18 965 Sonoma near Sonoma Comment
  CDA4389  Vicia sativa subsp. nigra T. C. Fuller 1977-4-21 20193 Sonoma Church of Christ property, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  UC454617  Vicia sativa subsp. sativa I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UCD109111  Vicia villosa subsp. varia Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-28 087 Sonoma Junction of Bluff Reach and Cormorant, Unit 21 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC1084480  Viola adunca G. Thomas Robbins 1938-4-15 253 Sonoma about 2.5 mi e of Bodega Bay Comment
  UC1761581  Viola adunca Leo Koch 1939-4-8 496 Sonoma near Plantation (Baxman Ranch) Comment
  UC19263  Viola adunca Davy 1888-1 Sonoma below Guerneville; Russian River Comment
  JEPS50388  Viola glabella Dorothea Gorter 1920-3-23 Sonoma Villa Grande; Russian River, Villa Grande Comment
  RSA80503  Viola lobata Milo S. Baker 1942-4-29 10189 Sonoma Spring Mt Road near summit. Near Napa -Sonoma county line. 457 Comment
Read comments
Jun 10 2012
  UCD110909  Viola lobata G. F. Hrusa 1992-4-15 10376 Sonoma Along Cavedale Road, approximately 5 m. E of Boyes Hot Springs. Comment
  UC19289  Viola lobata subsp. lobata F. P. McLean May 1872 Sonoma woods near Geyser Comment
  UC35301  Viola ocellata J. Burtt Davy 1896-3-16 1680 Sonoma Cazadero Comment
  UC496479  Viola ocellata Merle Randall 1930-6-8 Sonoma Cazadero Comment
  UC828264  Viola ocellata Milo S. Baker June 1939 9469 Sonoma between Occidental and Graton (s side of Meeker Grade); Meeker Grade Comment
  UC1761625  Viola pedunculata Mary Eloise Bauder 1929-4-2 5 Sonoma Roberts place--Pet. Hill Road Comment
  UC337768  Viola sempervirens unknown Mar. 1888 Sonoma Redwoods near Healdsburg Comment
  SBBG40537  Viscum album L. S. Rose 1966-5-8 Sonoma ca. 1 mi from Sebastopol on Gravenstein Hwy N Comment
  CDA2767  Viscum album subsp. album C. W. Nichols, W. O. McCartney 1966-1-17 Sonoma Stanley Rose property, 1090 Gravenstein Highway North at Hill Station Road, 1 mile north of Sebastopol. 0 Comment
  CAS-BOT-BC203125  Vitis californica Irja Knight; Walter Knight 1964-11-15 778 Sonoma Hood's [Hood] Peak below Johnson Lake Comment
  SJSU7518  Vitis californica L. S. Rose 1968-6-25 68115 Sonoma Rincon Ridge NE of Santa Rosa 121 Comment
  UC552472  Vitis californica Professor J. T. Barrett 1936-6-19 Sonoma above Guerneville; Russian River Comment
  CAS-BOT-BC385058  Vitis californica G. de Nevers 1981-6-4 1434 Sonoma Pepperwood Ranch, by bridge south of the green gate Comment
  CAS-BOT-BC199899  Vulpia bromoides Barrett Anderson 1987-4-27 3467 Sonoma Petaluma, south of El Rose and west of D Street 120 Comment
  CAS-BOT-BC199909  Vulpia bromoides Peter Rubtzoff 1955-5-21 1878 Sonoma Ross Marsh Comment
  RSA94641  Vulpia bromoides Peter Rubtzoff 1952-5-31 1095 Sonoma Eastern branch of the upper marsh. Comment
  SEINET197662 Image available Vulpia bromoides Leo Koch 23/47/0001 85564 Sonoma At Geysers in Sulfur Creek Canyon. Comment
  UCD93553  Vulpia bromoides Paul Klemansky 1934-4-28 s.n. Sonoma near Llano Road, south of Santa Rosa. Comment
  CAS-BOT-BC199969  Vulpia microstachys var. ciliata John Thomas Howell 1943-4-18 17924 Sonoma Hills east of Aqua Caliente Comment
  CAS-BOT-BC199970  Vulpia microstachys var. ciliata John Thomas Howell 1948-4-18 24205 Sonoma Hills east of Aqua Caliente Comment
  SEINET7295239 Image available Vulpia microstachys var. pauciflora Leo Koch 1940-1 838 a Sonoma At Geysers in Sulfur Creek Canyon Comment
  UCD94877  Vulpia myuros P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified Forest Road. Comment
  UCD94681  Vulpia myuros Milo S. Baker 1942-5-27 10383 Sonoma summit between Napa Valley and Sonoma County; near Spring Mt. Road. Comment
  CAS-BOT-BC185838  Vulpia myuros subsp. megalura Peter H. Raven 1950-4-6 1549 Sonoma Cotali to Santa Rosa 45 Comment
  CDA2701  Watsonia bulbillifera William J. Ferlatte 1971-6-17 1351 Sonoma Ocean Cove on Hwy. 1 at mile 38.32. 0 Comment
  CDA25512  Whipplea modesta G. D. Barbe 1982-5-27 3625 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment
  UC858950  Whipplea modesta Marcus E. Jones, A. M. 1882-7-17 2658 Sonoma Duncan's Mills Comment
  UC971949  Whipplea modesta Martha Meagher 1947-4-6 101 Sonoma on county road 1/2 mi w Freezeout Creek (across Russian River from Duncan's Mills) Comment
  SEINET12215351  Whipplea modesta Unknown 1947-1 101 Sonoma on county road 0.5 mi W of Freeze-out Creek across Russian River from Duncan's Mills Comment
  UCD165775  Woodwardia Peter Rubtzoff 1973-8-28 7278 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC164676  Woodwardia Peter Rubtzoff 1970-9-17 6391 Sonoma Forestville Marsh area. Comment
  SEINET11719540  Woodwardia fimbriata F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -252 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC383255  Wyethia angustifolia D. E. Breedlove 1962-6-6 2899 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC499110  Wyethia angustifolia Ann Howald 2015-4-13 3342 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, NW corner, S of Marsh Trail 362 Comment
  UCD160816  Wyethia angustifolia James A. Neilson Jr.; Teresa A. Sholars