Search Results — 2000 specimen records retrieved (1276 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/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC371439  Abutilon theophrasti Greg de Nevers 1997-9-10 11087 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Road at Mark West Springs Road 400 Comment
  UCD112508  Acaena pinnatifida var. californica P. G. Connors 1991-6-27 185 Sonoma Bodega Marine Laboratory. Bodega Head and Dunes. Near Horseshoe Cove. Comment
  CAS-BOT-BC332799  Acer macrophyllum John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54011 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CDA11341  Acer macrophyllum G. F. Hrusa 1995-4-2 12051 Sonoma North Coast Biodiversity Arena; Corner of Franz Valley School Rd. and Franz Valley Rd. Comment
  UC1084436  Acer macrophyllum G. Thomas Robbins 1940-3-21 294 Sonoma along Chalk Hill road ca 5 mi e Windsor; e of Windsor 91 Comment
  CAS-BOT-BC336941  Acer negundo var. californicum Peter Rubtzoff 1970-8-31 6347 Sonoma In thicket along sandy bank of Russian River at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC336945  Acer negundo var. californicum Peter Rubtzoff 1951-9-2 715 Sonoma Pitkin Marsh near Forestville, south of the Upper Marsh Comment
  CAS-BOT-BC30088  Achillea millefolium W. E. Lawrence 1942-1-1 L 5031 Sonoma Bodega Coast, grown in Stanford gardens Comment
  CAS-BOT-BC166735  Achyrachaena mollis Peter Rubtzoff; H. A. Froebe 1971-5-30 6478 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC29166  Achyrachaena mollis F. Almeda; G. DeNevers 1981-4-28 4913 Sonoma Pepperwood Ranch, vicinity of Bechtel Cabin Comment
  POM55004  Achyrachaena mollis A. A. Heller, H. E. Brown 1902-4-16 s.n. Sonoma Fields east of Santa Rosa Comment
  NY380619  Acmispon aestivalis A. A. Heller 1902-8-18 6051 Sonoma Santa Rosa Comment
  JEPS128276  Acmispon brachycarpus Roger Raiche 2005-4-22 014 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  OBI12974  Acmispon glaber var. glaber Robert F. Hoover 1964-9-8 9288 Sonoma Timber cove Comment
  NY380622  Acmispon gracilis A. A. Heller 1902-6-24 5754 Sonoma Near Burke's Santarium Comment
  UCD104308  Acmispon parviflorus P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC391710  Actaea rubra Peter Rubtzoff 1957-4-28 3294 Sonoma Duncans Mills Marsh area Comment
  CAS-BOT-BC30276  Adenocaulon bicolor A. A. Heller 1902-6-26 5771 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  CAS-BOT-BC139922  Adenostoma fasciculatum Walter Knight; Irja Knight 1963-12-27 462 Sonoma Summit, Pine Flat Rd. 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
  SEINET5501068 Image available Adenostoma fasciculatum Sally Walker 1981-1 Sonoma Franz Valley Rd, 1/10 mi N of 7 V. School Rd. Comment
  HSC949  Adiantum aleuticum F. Demostene 1966-4-8 37 Sonoma 25 mi. W of Healdsburg Comment
  JEPS128363  Adiantum capillus-veneris Roger Raiche 2000-5-27 112 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD137211  Adiantum jordanii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 56 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Comment
  RSA0065937  Aegilops triuncialis Greg de Nevers 1989-04 9066 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  UCD51564  Aegilops triuncialis T. C. Fuller 1960-6-14 4485 Sonoma J. Black Ranch, River Road, 6 miles E/Cloverdale. Comment
  RSA785736  Aesculus californica Carrie A. Herd 1982-4-25 84 Sonoma Crane Creek Regional Park Comment
  SEINET265728  Aesculus californica Royal D. Suttkus 1967-6-25 67- 29 -1 Sonoma 4.4 miles SE of Alexander Valley. Comment
  UC26071  Agastache urticifolia J. Burtt Davy Aug., 1896 4135 Sonoma Russian River betw Russian River sta. and Guerneville; Russian River Comment
  RSA178622  Agoseris apargioides var. eastwoodiae Roxana S. Ferris 1932-5-27 8258 Sonoma Cliffs at upper end of Bodega Bay Comment
  CAS-BOT-BC368034  Agoseris grandiflora Greg de Nevers 1998-6-20 11291 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along creek below Rogers Apple Orchard. 400 Comment
  SEINET7096764  Agoseris heterophylla A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley NAD27, 38? deg. 24' 31ao, -122?_ 37' 52ao (converted to WGS84 decimal degrees) UTM Zone 10, 532220mE, 4251005mN. Comment
  CAS-BOT-BC422324  Agropyron Greg de Nevers 1989-4-1 9064 Sonoma Pepperwood Ranch Natural Preserve. Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC166693  Agrostis Peter Rubtzoff 1973-9-9 s.n. Sonoma Kenwood Marsh, 0.5 mi. S of Kenwood. Comment
  CAS-BOT-BC209997  Agrostis Peter Rubtzoff 1965-8-13 5590 Sonoma Goat Rock State Beach area, 1.6-1.8 mi. NW of State Hwy. #1 junction. Comment
  CAS-BOT-BC210001  Agrostis Peter Rubtzoff 1977-9-4 9130 Sonoma Cunningham Marsh area. Ca. 1 air mi. WSW of Cunningham Station Comment
  CAS-BOT-BC210012  Agrostis Peter Rubtzoff 1970-9-3 6378 Sonoma Marsh off Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  RSA785752  Agrostis Peter Rubtzoff 1971-6-29 6580 Sonoma Pitkin Marsh, near Forestville Comment
  RSA785903  Agrostis Peter Rubtzoff 1964-6-24 5368 Sonoma Lower Salmon Creek Comment
  SEINET10717805  Agrostis P. Rubtzoff 1971-6-29 Rubtzoff 6580 Sonoma Pitkin Marsh, near Forestville. Comment
  CHSC100546  Agrostis densiflora Beecher Crampton 1957-7-11 4320 Sonoma 0.5 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UC1146602  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach North Coast Ranges Comment
  UCD51895  Agrostis densiflora Beecher Crampton 1957-7-22 4377 Sonoma 1.5 miles south of Stewart's Point. Comment
  UCD53511  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UC76872  Agrostis hallii Michener and Bioletti 1892-7-5 2256 a Sonoma Skaggs Springs Comment
  UC1112778  Agrostis microphylla Leo Whitney 1935-4-14 2258 b Sonoma near Occidental (Blunden's Pasture); Blunden's Pasture Comment
  UCD53067  Agrostis microphylla var. intermedia L. Whitney 1935-4-14 2258 b Sonoma Blunden's Pasture near Occidental. Comment
  CAS-BOT-BC138914  Agrostis pallens Milo S. Baker 1947-5-30 11774 Sonoma 2 miles northeast of Occidental along Harrison Grade. Comment
  SEINET7594115 Image available Agrostis pallens A. S. Hitchcock 1908-1 2675 Sonoma Cloverdale, Cloverdale Comment
  SBBG439  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma 5 mi S of Steward Pt Comment
  SD56669  Agrostis stolonifera Darley F. Howe 1963-7-3 3586 Sonoma 20 miles north of junction with #12 on #1. Comment
  UC790981  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma 5 mi s Steward Point Comment
  SEINET4342106  Agrostis stolonifera J. B. Davy 1899-7-22 6003 Sonoma Guerneville Comment
  RSA244322  Aira caryophyllea Larry E. DeBuhr 1973-5-18 1098 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  UCD55780  Aira caryophyllea Chris Bowen 1976-5-18 126 Sonoma Unit 24 Owners' Map. Sea Ranch. Near State Highway 1. Comment
  SEINET3127807  Aira caryophyllea Michener, Bioletti sn Sonoma S. Los Guilicos Comment
  UCD55770  Aira caryophyllea P. B. Kennedy 1929-5-24 s.n. Sonoma Clover Hill, between Plantation and Black Point. Comment
  CAS-BOT-BC138209  Aira caryophyllea var. caryophyllea G. DeNevers 1981-5-30 1377 Sonoma Pepperwood Ranch. On the shore of the Pippindale Pond, above the high water mark. Comment
  CAS-BOT-BC138188  Aira praecox John H. Thomas 1976-6-16 18339 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UCD37149  Aira praecox Beecher Crampton 1957-7-11 4327 Sonoma Sonoma County, 0.9 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  SEINET3917482  Aira praecox Fred W. Hoffman 1944-5-22 1992 Sonoma Cruz Ranch, Sonoma Coast near shore.; 0 Comment
  UCD163994  Alisma Peter Rubtzoff 1977-8-12 9114 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UC455143  Alisma plantago-aquatica I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  CAS-BOT-BC445462  Alisma triviale Peter Rubtzoff 1955-10-12 2168 Sonoma East Guernewood, near Guerneville. Comment
  RSA0057954  Allium amplectens Greg de Nevers 1998-5-19 11252 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Franz Valley Road. 100 Comment
  HSC2927  Allium amplectens Beecher Crampton 1966-5-10 7731 Sonoma 6.5 mi. N of Sonoma, Hwy. 12 Comment
  UC1299627  Allium amplectens Freed W. Hoffman 1950-5-27 3242 Sonoma near Mirabel; North Coast Ranges, Roy Lytton Ranch Comment
  CAS-BOT-BC469102  Allium dichlamydeum Milo S. Baker 1932-5-3 5948 Sonoma 1 mile north of Salmon Creek Comment
  SEINET7220232  Allotropa virgata W. Roderick 1967-6-18 s.n. Sonoma Ida Clayton Rd. NW side of Mt. St. Helena 610 Comment
  CAS-BOT-BC169653  Alnus rhombifolia Peter Rubtzoff 1960-9-14 4527 Sonoma Laguna de Santa Rosa E of Graton (betw.Occidental and Guerneville roads) Comment
  CAS-BOT-BC169658  Alnus rhombifolia Peter Rubtzoff 1957-8-18 3522 Sonoma Vacation Beach, near (1.5 mi below) Guerneville. Russian River bank Comment
  CAS-BOT-BC251207  Alnus rhombifolia Peter Rubtzoff 1960-6-11 4504 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC169363  Alnus rubra Peter Rubtzoff 1957-6-28 3386 Sonoma Duncans Mills Marsh, upper part of the marsh Comment
  CAS-BOT-BC169368  Alnus rubra John Thomas Howell 1934-3-3 11741 Sonoma near Fort Ross Comment
  CAS-BOT-BC169370  Alnus rubra Mary P. Wells 1984-8-9 448 Sonoma Public path through golf course to the sea, The Sea Ranch Comment
  CAS-BOT-BC138051  Alopecurus aequalis var. sonomensis John Thomas Howell 1945-5-30 20899 Sonoma Pitkin 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
  RSA800608  Amaranthus Peter Rubtzoff 1973-8-29 7284 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD164984  Amaranthus Peter Rubtzoff; Nancy Harrison, Ruth Hass, Charles Quibell 1974-8-31 7846 Sonoma Southern area of Kenwood Marsh, ca. 0.5 miles south of Kenwood. Comment
  SEINET11933370  Amaranthus blitoides W. Knight, Knight, I.; Edwards, S. W. 1984-1 5068 Sonoma along Willow Creek between Denman Flat and Corona Rd, 2 mi N of downtown Petaluma Comment
  RSA105447  Amaranthus powellii Leo Koch 1938-10-20 324 Sonoma S.R.J.C. campus field along Highway 101, Santa Rosa Comment
  CAS-BOT-BC135672  Amelanchier utahensis John Thomas Howell 1930-6-8 5287 Sonoma 8.5 miles n. of Bodega Bay Comment
  SEINET11909600  Amelanchier utahensis W. Knight, Knight, I. 1982-1 4522 Sonoma Tilden Regional Park, botanic garden, Berkely, ca Originally collected at Bodega Bay Comment
  RSA790996  Ammannia Peter Rubtzoff 1972-8-26 6860 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC154124  Ammannia coccinea Peter Rubtzoff 1956-9-16 2922 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  SEINET7062934  Amorpha californica var. napensis A. G. Vestal 1947-5-16 s.n. Sonoma About 8.2 miles east of Windsor on Porter Creek Road. UTM Zone 10, 528660mE, 4266821mN. (WGS84/NAD83). 329 Comment
  CAS-BOT-BC222276  Amsinckia John Thomas Howell 1934-3-25 11774 Sonoma Lakeville Comment
  UC1084538  Amsinckia spectabilis Peter Kamb Ray 1952-5-30 2298 q1 Sonoma Hill 108 between Horseshoe Cove and Mussel Point (n end Bodega Bay); Bodega Head 30 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
  UCD56034  Andropogon glomeratus Freed W. Hoffman 1942-6-13 2046 Sonoma North Coast Ranges, around Hot Springs, the Geyers. Comment
  UC1146605  Andropogon glomeratus var. pumilus Freed W. Hoffman 1942-6-13 2046 Sonoma around Hot Springs the Geysers; North Coast Ranges, , the Geysers Comment
  UC1011021  Andropogon virginicus var. virginicus Virginia Bufford 1935-9-8 77 Sonoma Pitkin's Marsh; Pitkin's Marsh, Vine Hill District Comment
  UC573792  Andropogon virginicus var. virginicus Virginia Bufford 1936-9-10 Sonoma 2 mi se Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  CAS-BOT-BC391877  Anemone grayi Ella Dales Cantelow 1939-4-10 4233 Sonoma 7 mi. e. of Seaview Comment
  HSC71392  Angelica californica J. M. DiTomaso 1980-6-13 1602 Sonoma 4900 Trinity Rd., between Glen Ellen and Oakville Comment
  CAS-BOT-BC221434  Angelica hendersonii David D. Keck; J. Clausen 1935-7-15 3373 Sonoma 1 mi. north of Salmon Creek Comment
  CDA38225  Angelica hendersonii T. C. Fuller 1957-9-24 397 -57 Sonoma Jenner. 0 Comment
  CAS-BOT-BC273103  Anisocarpus madioides Peter Rubtzoff 1953-5-17 1382 Sonoma Near road from Vacation Beach to Edendale, near Guerneville Comment
  CAS-BOT-BC271440  Anisocarpus madioides H. M. Hall 1931-5-28 13103 Sonoma Four miles northeast of Mark West Spr., Northeastern Sonoma County Comment
  CAS-BOT-BC102234  Anthemis cotula Greg de Nevers 1987-5-11 8175 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  RSA63618  Anthoxanthum aristatum Leo Koch 1940-4-12 841 Sonoma Damp meadow north of Windsor on East side of Hwy 101. Comment
  UCD37345  Anthoxanthum aristatum Beecher Crampton 1959-6-16 5367 Sonoma Sonoma County, 0.2 mile E of Occidental, on Occidental Road. Comment
  UCD56154  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma along Highway 101, north of Windsor. Comment
  CAS-BOT-BC280660  Anthoxanthum occidentale Catherine Best 1985-2-10 1064 Sonoma About .5 miles north of Occidental on the road parallel to the Bohemian Hwy. Comment
  CAS-BOT-BC137688  Anthoxanthum odoratum Peter Rubtzoff 1960-5-16 4348 Sonoma Duncans Mills Marsh. Borderland of the marsh. Comment
  CAS-BOT-BC137692  Anthoxanthum odoratum John H. Thomas 1976-6-16 18336 Sonoma Southern Part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  OBI35994  Anthoxanthum odoratum David J. Keil 1983-6-30 17210 Sonoma Stillwater Cove Regional Park Comment
  UCD56233  Anthoxanthum odoratum G. F. Hrusa; G. L. Stebbins 1994-3-28 11707 Sonoma Fisk Mill Parking Area, Salt Point State Park. 7 Comment
  UCR254874  Antirrhinum vexillocalyculatum Peter Rubtzoff 1964-6-6 5355 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg 61 Comment
  JEPS83374  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 329 Sonoma e side Fitch Mt. (just s of resort area on e side, Healdsburg); Healdsburg, Healdsburg Quad. (7.5', 1955) 45 Comment
  UC192792  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum unknown 1880-7 Sonoma Petaluma Comment
  UC421606  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum John Thomas Howell 1929-6-30 4319 Sonoma 4 mi from Petrified Forest (on road to Knights Valley) Comment
  CAS-BOT-BC248904  Antirrhinum virga John Thomas Howell 1932-10-9 10813 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  CAS-BOT-BC376247  Aquilegia formosa Greg de Nevers 1995-6-3 10742 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Weimar Canyon 487 Comment
  CAS-BOT-BC395018  Aquilegia formosa Ella Dales Cantelow 1939-4-10 2601 Sonoma 2.3 mi s. of Stewarts Point Comment
  RSA0125832  Arabis glabra J. T. Howell 1930-6-8 5291 Sonoma 8.5 miles N of Bodega Bay Comment
  CAS-BOT-BC128621  Arbutus menziesii A. A. Heller; H. E. Brown 1902-4-17 s.n. Sonoma Hills at Santa Rosa Comment
  CAS-BOT-BC410002  Arceuthobium campylopodum Carl B. Wolf 1927-9-2 1342 Sonoma 2 miles S of Anchor Cove Comment
  RSA629219  Arctostaphylos Jon E. Keeley 1993-9-11 24784 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24080  Arctostaphylos bakeri Catherine Best 1986-2-9 1161 Sonoma Stoetz Lane about 3 miles northeast of Occidental. 213 Comment
  RSA622702  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24701 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA622705  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24697 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA622706  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24696 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  SDSU1487  Arctostaphylos bakeri subsp. bakeri D. F. Howe 1969-6-8 4635 Sonoma 3.8 miles east of Occidental. 274 Comment
  UCD50474  Arctostaphylos bakeri subsp. bakeri Roman Gankin; W. R. Hildreth 1967-10-4 1074 Sonoma Harrison Grade Road, near summit, east of Occidental. Comment
  JEPS38622  Arctostaphylos canescens Willis L. Jepson 1894-7-19 14699 Sonoma Mt. St. Helena Napa River Basin Comment
  CDA11145  Arctostaphylos canescens subsp. canescens G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11556 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
  UC1281371  Arctostaphylos canescens subsp. canescens H. E. McMinn 1936-4-4 4395 Sonoma ridge near R. L. Stevenson Monument; Mt. St. Helena Comment
  UCD112405  Arctostaphylos canescens subsp. canescens Christopher Mallek 2008-5-2 s.n. Sonoma Hooker Canyon. 590 Comment
  CAS-BOT-BC23887  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-7-4 13079 Sonoma Rincon Ridge NE of Santa Rosa Comment
  CAS-BOT-BC23892  Arctostaphylos canescens subsp. sonomensis Walter Knight; Irja Knight 1985-12-29 6376 Sonoma Santa Rosa, Rincon Ridge. Montecito Drive and Rockridge Road, Finley property. 121 Comment
  CAS-BOT-BC23895  Arctostaphylos canescens subsp. sonomensis H. F. Copeland 1933-3-18 A 12 Sonoma Rincon Ridge, north of Santa Rosa Comment
  LA88623  Arctostaphylos canescens subsp. sonomensis Robert F. Thorne; 1965-4-20 34387 Sonoma Rincon Ridge, Robert Sone's place on Rock Ridge Lane - Montecito Ave. Santa Rosa 106 Comment
  SEINET11984865  Arctostaphylos canescens var. sonomensis R. Gankin, Hildreth, W. R.; Milam, K. 1965-1 517 Sonoma 0.2 mi on Rockridge Lane on Montecito Rd, on Sones Property, Rincon Ridge, Santa Rosa Comment
  UC549636  Arctostaphylos columbiana J. E. Adams 1934-3-28 731 Sonoma seven mi n Fort Ross Comment
  UC549697  Arctostaphylos columbiana J. E. Adams 1935-3-28 734 Sonoma seven mi n Fort Ross Comment
  CAS-BOT-BC24999  Arctostaphylos densiflora J. Clausen 1933-3-26 746 Sonoma Summit of Harrison Grade, Between Graton and Occidental. Comment
  CAS-BOT-BC25013  Arctostaphylos densiflora J. Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-4 4143 Sonoma Originally from Vine Hill area near Sebastopol. Comment
  CAS-BOT-BC25017  Arctostaphylos densiflora Elmer I. Applegate 1932-3-19 7028 Sonoma Roadside just W of Vine Hill Schoolhouse, about 10 mi Westerly from Santa Rosa. Type Station. Comment
  JEPS83500  Arctostaphylos densiflora Jack and Betty Guggolz 1986-2-22 848 Sonoma above extrapolated (Spanish land grant) (n side of Vine Hill School Rd); Cal. Native Plant Soc. reserve Comment
  POM367502  Arctostaphylos densiflora L. S. Rose 1934-2-22 34031 Sonoma Vine Hill Region, 10 mi. W of Santa Rosa, Type & only locality. Comment
  UC1120152  Arctostaphylos densiflora A. E. Wieslander 1938-10-29 830 Sonoma Vine Hill Sebastapol Quadrangle Comment
  UC725333  Arctostaphylos densiflora A. A. Heller 1942-3-15 16398 Sonoma just w Vine Hill School Comment
  UCD50800  Arctostaphylos densiflora Roman Gankin 1966-3-3 693 Sonoma Vine Hill School Road, ca. 10 miles west of Santa Rosa. Comment
  RSA0003106  Arctostaphylos densiflora J. T. Howell 1933-4-2 10951 Sonoma 8 miles west of Santa Rosa Comment
  JEPS83504  Arctostaphylos glandulosa Jack and Betty Guggolz 1986-3-8 854 Sonoma ne side of Rockpile Rd. 9.1-9.3 mi from jnt. Stewart's Point Rd. (ca 15 mi nw of Healdsburg) Comment
  SEINET11993015  Arctostaphylos glandulosa W. Knight, Knight, I.; Edwards, S. W. 1985-1 5173 Sonoma 7.7 mi from W end of Sonoma Lake bridge on Rockpile Rd Comment
  SEINET11993024  Arctostaphylos glandulosa W. Knight, Knight, I.; Edwards, S. W. 1985-1 5170 Sonoma 5.1 mi W on Kelly Rd from Rockpile Rd junction, S of Mt. Tom 610 Comment
  SEINET12524578 Image available Arctostaphylos glandulosa C. M. Belshaw 1936-1 1569 a Sonoma 1.5 miles north of Country Farm, Santa Rosa quadrangle sec. 36, T. 8N., R. 8W. 251 Comment
  SEINET11991023  Arctostaphylos glandulosa f. cushingiana W. Knight, Knight, I. 1983-1 4700 Sonoma Trinity Grade 270 Comment
  CAS-BOT-BC23289  Arctostaphylos glandulosa subsp. cushingiana Lewis S. Rose 1955-3-21 55035 Sonoma Rincon Ridge 2 mi. NE of Santa Rosa 152 Comment
  UCD160019  Arctostaphylos glandulosa subsp. cushingiana James A. Neilson Jr. 1975-1-24 3159 Sonoma Mayacmas Mountains; Dominichelli Ranch # 1. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  RSA631191  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24730 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC727007  Arctostaphylos glandulosa subsp. glandulosa A. A. Heller 1942-3-15 16390 Sonoma ne Santa Rosa (top of ridge); Rincon Ridge Comment
  RSA631187  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24725 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  SEINET11993006  Arctostaphylos hispidula Unknown 1984-1 RR 40044 Sonoma on Rockpile Road ca 9.1 mi N of origin of Skaggs Springs-Stewarts Point Road 503 Comment
  CAS-BOT-BC24405  Arctostaphylos manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4760 Sonoma The Cedars, near Cazadero on Twitchell Ranch. 243 Comment
  CAS-BOT-BC38986  Arctostaphylos manzanita Roger Raiche; Steve Edwards; Walter Knight; Irja Knight 1983-7-3 4753 Sonoma Near Cazadero, The Cedars, population samples from north end of 10 acre study area. 274 Comment
  RSA633060  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24711 Sonoma Along Calistoga Road, 19 km southwest of Highway 128. 220 Comment
  RSA633064  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24710 Sonoma Along Calistoga Road, 19 km southwest of Highway 128. 220 Comment
  UCD51969  Arctostaphylos manzanita Roman Gankin 1957-11-1 248 Sonoma Vine Hill School Road; 0.1 mile east of junction with Vine Hill Road; ca. 10 miles west of Santa Rosa. Comment
  CAS-BOT-BC24402  Arctostaphylos manzanita Susan M. Smith 2004-2-9 s.n. Sonoma Abundant on 80 acre native plant preserve in Sonoma Volcanics within 5 mi. of type locality. St. Helena Rd. 3.5 mi. from 487 Comment
  CAS-BOT-BC38990  Arctostaphylos manzanita Roger Raiche 1983-7-10 30489 Sonoma Ridge is eastern end of Rocky Mt. Ridge west of Blue Rock between Gray Creek to the south and Devil Creek to the north. 304 Comment
  SEINET11995499  Arctostaphylos manzanita subsp. bakeri Unknown 1986-1 60001 Sonoma NE of Healdsburg, Reservoir Hill 122 Comment
  CAS-BOT-BC38901  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7942 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38913  Arctostaphylos manzanita subsp. elegans E. A. Goldman 1907-12-29 71 Sonoma Mt. St. Helena, southeast slope 1219 Comment
  CAS-BOT-BC38682  Arctostaphylos manzanita subsp. manzanita Catherine Best 1981-2-15 s.n. Sonoma Trinity Mt. Road between Sonoma and Napa Valleys Comment
  CAS-BOT-BC38746  Arctostaphylos manzanita subsp. manzanita Ira L. Wiggins 1932-3-12 5762 Sonoma Hillsides between Franz Valley and Knights Valley Comment
  POM131951  Arctostaphylos manzanita subsp. manzanita A. A. Heller, H. E. Brown, A. H. Heller 1902-3-20 10640 Sonoma Near Windsor. Comment
  RSA13422  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  RSA177969  Arctostaphylos manzanita subsp. manzanita R. F. Thorne 1965-4-20 34345 Sonoma Top of Parker Hill (N end of Parker Hill Rd.) ca. 3 mi. No. of Santa Rosa. 244 Comment
  SBBG60027  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mtn Rd, ca. 8 mi E of Santa Rosa Comment
  UC1193143  Arctostaphylos manzanita subsp. manzanita G. W. Tourtillott 1950-5-5 15 Sonoma 1/2 mi e Hale Ranch; Quad 60B3, Sulphur Creek 243 Comment
  UC1281098  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1936-4-5 4410 Sonoma along road just w Vine Hill School House Comment
  RSA94311  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1951-9-15 744 Sonoma Dry, open area separating the western branch of the Upper Marsh from the eastern. Comment
  RSA96696  Arctostaphylos manzanita subsp. manzanita P. C. Everett, E. K. Balls, George B. Everett 1954-10-20 20377 Sonoma 4 mi. s.w. of Lake-Sonoma Co. line, n.w. to w. slope Mt. St. Helena. 640 Comment
  SBBG115507  Arctostaphylos nummularia subsp. nummularia A. T. Leiser 1968-1-16 Sonoma Sea Ranch 106 Comment
  RSA13419  Arctostaphylos patula H. F. Copeland 1933-3-18 A- 13 Sonoma Vine Hill region on College Avenue Highway, near Santa Rosa. Comment
  SEINET3410778 Image available Arctostaphylos sonomensis Lewis S. Rose 1933-2-22 s.n. Sonoma 3 mi. NE of Santa Rosa, Calif. Comment
  CAS-BOT-BC43875  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5771 Sonoma Vine Hill District, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC47339  Arctostaphylos stanfordiana Roger Raiche 1982-4-10 20301 E Sonoma King Ridge Rd. (4.5 mi. n. of junction with Ft. Ross Rd.), about 0.7 mi. in from King Ridge Rd. on old Layton Comment
  CAS-BOT-BC47340  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 6 Sonoma Rincon Ridge, near Santa Rosa. Comment
  CDA11143  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11554 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
  JEPS78746  Arctostaphylos stanfordiana Edward Lee 1936-5-3 2017 Sonoma 13.7 mi (by road) from Santa Rosa (Sonoma-Santa Rosa Road) Comment
  RSA636805  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24756 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636806  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24755 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
  SEINET11991022  Arctostaphylos stanfordiana W. Knight, Knight, I. 1983-1 4701 Sonoma Trinity Grade 270 Comment
  SEINET7267257  Arctostaphylos stanfordiana L. Fallon 1939-1-6 s.n. Sonoma 1 mile north of Santa Rosa Comment
  RSA178044  Arctostaphylos stanfordiana subsp. stanfordiana R. F. Thorne 1965-4-20 34375 Sonoma 4 mi. up Cavedale Rd., ca. 6 mi. N of Sonoma. 457 Comment
  HSC100101  Arctostaphylos viscida J. P. Smith, & J. O. Sawyer 2010-4-26 12720 Sonoma 641 Comment
  RSA202118  Arctostaphylos viscida Freed W. Hoffman 1947-4-3 677 Sonoma Wild Hog Ridge, headwaters Mill Creek, near Healdsburg. Comment
  SEINET12524560 Image available Arctostaphylos viscida F. W. Hoffman 1946-1 566 Sonoma Layton mine, Austin Creek. Comment
  UC101569  Arctostaphylos viscida subsp. pulchella Alice Eastwood 1900-2-22 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC47466  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight 1963-9-15 290 Sonoma Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC47469  Arctostaphylos viscida subsp. viscida Stephen W. Edwards 1982-5-30 s.n. Sonoma The Cedars Ridge, north of Cazadero, northwest of King Ridge Road at source of Big Austin Creek. 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
  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
  UC1388346  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-2-28 762 Sonoma near Guerneville (headwaters of creek); North Coast Ranges, Gilliam Creek Comment
  CAS-BOT-BC400486  Aristolochia californica Peter Rubtzoff 1951-9-3 738 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  UC6150  Aristolochia californica F. T. Bioletti May, 1891 Sonoma Comment
  HSC3260  Aristolochia californica James Faro 1962-4-22 5 Sonoma S side of Lake Ralphine in Santa Rosa Comment
  UC543758  Aristolochia californica M. Stason and L. Roush 1926-2-28 Sonoma Hoods Peak Comment
  RSA388849  Armeria maritima subsp. californica Gary Bolton 1975-4-19 7 Sonoma Bodega head, 0.25 mile N of Windmill Cove. Comment
  UCSB19199  Armeria maritima subsp. californica Jensen, Karen 1965-4-16 Sonoma State Highway 1; 3 km. N of Salmon Creek Bridge; N of Bodega 18 Comment
  CAS-BOT-BC82561  Arnica discoidea Greg de Nevers 1996-6-17 10833 Sonoma CYO camp south of Occidental on Bohemian Hwy. 121 Comment
  UC176012  Arnica discoidea H. M. Hall 1909-6-21 Sonoma Guernewood Park, along R. R. embankment Guernewood Park Comment
  CAS-BOT-BC82564  Arnica discoidea W. Knight; I. Knight; Dr. Steve Edwards 1986-6-8 5451 Sonoma Cherry Creek Road W of Cloverdale Comment
  UCD164250  Arrhenatherum elatius Peter Rubtzoff 1979-8-5 9302 Sonoma Freestone Marsh area; along Bohemian Highway at Freestone Flat Road junction, southeast of Freestone marsh. Comment
  SEINET258285  Artemisia suksdorfii Leila M. Shultz, John S. Shultz 1986-9-20 10233 .1 Sonoma 1 mile north of Jenner along Pacific Coast Highway 6 Comment
  CAS-BOT-BC400608  Asarum caudatum John Thomas Howell 1924-3-22 290 Sonoma Camp Meeker Comment
  CAS-BOT-BC400603  Asarum caudatum Peter Rubtzoff 1955-7-31 2016 Sonoma Forestville Marsh. Along the southern margin of the marsh Comment
  UC1197607  Asclepias fascicularis Joseph P. Tracy 1937-8-28 15678 Sonoma Knights Valley; North Coast Ranges 152 Comment
  UC449988  Asclepias fascicularis Harriet A. Walker 1908-6-7 1164 Sonoma Santa Rosa Comment
  UC22995  Asclepias fascicularis F. T. Bioletti June, 1891 Sonoma Comment
  CAS-BOT-BC65836  Aspidotis californica John Thomas Howell 1943-4-18 17923 Sonoma Hills east of Agua Caliente Comment
  UC424775  Astragalus breweri Milo S. Baker 1929-4-16 3512 b Sonoma near Alpine Sch. H.; near Alpine Sch. H. Comment
  UC574627  Astragalus breweri W. H. Brewer 979 Sonoma Fields in Sonoma Valley Comment
  CAS-BOT-BC186824  Astragalus gambelianus Greg de Nevers 1995-6-6 10750 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  UCD114253  Athysanus pusillus L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  UCSC000219  Atriplex prostrata E. L. Greene 1888-9-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC227671  Avena Peter Rubtzoff 1980-5-26 9450 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  LA11004  Avena barbata Nesta Dunn; 1932-5-15 sn Sonoma Santa Rosa Comment
Read comments
Dec 29 2014
  CDA36981  Avena fatua CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  SEINET10514072  Avena fatua A. Arthur Heller 1902-4-9 Heller 5251 Sonoma In a railroad cut 3 miles south of Healdsburg. Comment
  CAS-BOT-BC68342  Azolla filiculoides Peter Rubtzoff 1959-6-13 4133 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC68345  Azolla filiculoides Peter Rubtzoff 1951-8-4 574 A Sonoma Pitkin Marsh, near Forestville - Northern half of Lower Marsh Comment
  CAS-BOT-BC98602  Baccharis douglasii Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC98649  Baccharis douglasii J. W. Congdon 1880-8-2 s.n. Sonoma Santa Rosa Comment
  CDA36850  Baccharis pilularis CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  LA203024  Baccharis pilularis subsp. pilularis C. B. Wolf; E. R. Johnson 1934-10-13 6181 Sonoma 2.4 mi. N of mouth of Russian River 60 Comment
  UC34306  Baccharis salicifolia subsp. salicifolia W. C. Blasdale Sonoma Santa Rosa Comment
  CAS-BOT-BC16694  Barbarea orthoceras Peter Rubtzoff 1951-6-9 163 Sonoma Pitkin Marsh, near Forestville. Forest south of the Upper Marsh. Comment
  CAS-BOT-BC145837  Beckmannia syzigachne Peter Rubtzoff 1958-7-5 3740 Sonoma Atascadero Creek Marsh. Comment
  CDA17198  Berberis nervosa G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16197 Sonoma North Coast Biodiversity Arena; Slopes above Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  CAS-BOT-BC290551  Bidens frondosa Peter Rubtzoff 1958-9-27 4012 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  UCR248943  Bidens frondosa Peter Rubtzoff 1960-6-25 4509 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  CAS-BOT-BC290559  Bidens frondosa Peter Rubtzoff 1958-8-17 3891 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  RSA0015636  Bidens frondosa Peter Rubtzoff 1956-9-15 2905 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC290649  Bidens laevis Peter Rubtzoff 1955-11-27 2170 Sonoma Bodega Head Marsh. Comment
  UCR250392  Bidens laevis Peter Rubtzoff 1958-9-27 4015 Sonoma Laguna de Santa Rosa, northeast of Graton, 0.5 mi north of Guerneville Road 20 Comment
  CAS-BOT-BC290563  Bidens laevis Peter Rubtzoff 1963-11-11 5301 Sonoma Pitkin Marsh, near Forestville. Comment
  RSA0019007  Bidens laevis Peter Rubtzoff 1954-11-18 1764 Sonoma Bodega Head Marsh. Comment
  UCR255452  Bistorta bistortoides Ann Howald 2014-5-2 3003 Sonoma North Coast, c. 1.5 mi southeast of Del Mar Point 23 Comment
  CAS-BOT-BC257983  Blennosperma bakeri Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7398 Sonoma Laguna de Santa Rosa, ca. 1 mi. east-southeast of Sebastopol. Comment
  RSA44227  Blennosperma bakeri J. T. Howell 1949-4-6 25303 Sonoma North Coast Range southwest of Sonoma. Comment
  SD51682  Blennosperma bakeri M. S. Baker 1946-4-2 11307 Sonoma Western outskirts of Sonoma in hog wallow about 0.25 mile south of Napa Street, in field on east side of street. Comment
  UCR51759  Blennosperma bakeri J. T. Howell 1949-4-6 s.n. Sonoma North Coast Range, southwest of Sonoma Comment
Read comments
Dec 17 2019
  CAS-BOT-BC105961  Blennosperma nanum var. nanum A. A. Heller; H. E. Brown 1902-3-14 s.n. Sonoma Near Windsor Comment
  CAS-BOT-BC105958  Blennosperma nanum var. nanum J. Ed. McClellan; Bonnie McClellan 1975-3-2 s.n. Sonoma Near Summerfiled Road near Bennett Valley, se. of Santa Rosa Comment
  SEINET8466128 Image available Bloomeria crocea J. A. Ewan 1935-5-13 9264 Sonoma Wright School on Sebastopol Rd. Comment
  CAS-BOT-BC154868  Boisduvalia Peter Rubtzoff 1974-5-26 7491 Sonoma 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC154971  Boisduvalia densiflora Peter Rubtzoff 1964-7-14 5404 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC154870  Boisduvalia densiflora Peter Rubtzoff 1968-8-31 5948 Sonoma Russian River bottom at Forest Hills, 5.5 miles E of Guerneville. Comment
  CAS-BOT-BC154975  Boisduvalia densiflora Peter Rubtzoff 1962-7-6 4975 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  RSA94293  Boisduvalia densiflora var. densiflora Peter Rubtzoff 1951-8-5 600 Sonoma Pitkin Marsh near Forestville, western branch of the Upper Marsh Comment
  RSA791579  Boisduvalia glabella Peter Rubtzoff 1962-7-6 4976 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  RSA791563  Boisduvalia stricta Peter Rubtzoff 1961-6-7 4617 Sonoma Laguna de Santa Rosa, about 1 mi SE of Trenton. Comment
  UC1100890  Bolboschoenus maritimus Herbert L. Mason and Verne Grant 1946-8-28 13076 B Sonoma Mouth of Tolay Creek. Comment
  UC1100889  Bolboschoenus robustus Verne Grant, Herbert L. Mason 1946-8-28 13077 Sonoma Mouth of Tolay Creek Comment
  UC903746  Bolboschoenus robustus Milo S. Baker 1946-7-28 11541 Sonoma On Sear's Point Highway. Comment
  SEINET12122373  Bowlesia incana Unknown 1987-1 70026 Sonoma S of mouth of Russian River, Goat Rock State Park, area W of Coast Hwy 1 & S of main entrance road 12 Comment
  UC570898  Boykinia occidentalis H. L. Mason 1928-7-11 4889 Sonoma canyon two mi n Fort Ross; n of Fort Ross Comment
  CAS-BOT-BC418503  Boykinia occidentalis Mrs. C. A. Burlingame 1921-6-28 s.n. Sonoma Sonoma 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
  UCD57082  Brachypodium distachyon G. Douglas Barbe 1984-6-13 4172 Sonoma On Willow Creek Road between Bridge Haven (Highway 1) and Coleman Valley Road. West of Occidental. Comment
  SEINET259062 Image available Brachypodium phoenicoides P. G. Connors 1991-6-5 128 Sonoma Sonoma Coast State Beach; North of Bodega Bay in Salmon Creek Dunes; within State Park boundary. Comment
  CAS-BOT-BC36618  Brassica nigra Mary P. Wells 1984-5-7 260 Sonoma Santa Rosa. Rincon Valley. Friends House. Comment
  CHSC91447  Brassica rapa Richard R. Halse 1987-2-22 3374 Sonoma Along State Hwy. 121, .4 miles E of its junction with State Hwy. 116 at Big Bend in the Sonoma Valley. 6 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
  UCD57125  Briza maxima Michael A. Vincent; Ethan H. Freid 1997-11-14 8172 Sonoma Bodega Bay. 0.5 mile northeast of city limits along Rt. 1. Comment
  CAS-BOT-BC145481  Briza maxima L. Beane; Lois E. James 1949-5-16 1949 Sonoma About 3 miles south of Cloverdale. Comment
  CAS-BOT-BC145485  Briza maxima David L. Morgan 1956-5-23 s.n. Sonoma Hill Road, 2 miles southwest of junction with Highway #1. Comment
  SEINET11687425  Briza maxima F. H. Utech 1986-1 86 -109 Sonoma ca 3.5 mi NE on Cavedale Road from junction with CA 12 350 Comment
  UCD57380  Briza minor Charles B. Heiser Jr. 1946-5-19 1753 Sonoma Russian River near Duncan Mills. Comment
  UCD57415  Briza minor Gerry North 1993-4 42 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
  RSA94605  Briza minor Peter Rubtzoff 1951-6-9 154 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC361411  Brodiaea californica subsp. leptandra Greg de Nevers 1991-6-22 9753 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. In Devils Kitchen 457 Comment
  CAS-BOT-BC140074  Brodiaea californica var. leptandra Roger Raiche 1985-6-22 RR 50553 Sonoma West side of Dry Cr Valley and west of town site of Dry Creek, unnamed ridge north of Crane Cr and south of Bradford Mt. 161 Comment
  SEINET12044726  Brodiaea coronaria L. S. Rose 1932-1 32301 Sonoma Shellville Comment
  UC768624  Brodiaea elegans subsp. elegans R. F. Hoover 1938-6-14 3606 Sonoma 2 mi se Healdsburg Comment
  CAS-BOT-BC484390  Brodiaea elegans subsp. elegans Peter Rubtzoff; H. A. Froebe 1971-5-30 6461 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road 0.9 miles west of Arnold Drive Comment
  CAS-BOT-BC484400  Brodiaea elegans subsp. elegans Peter Rubtzoff 1958-7-5 3731 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC486534  Brodiaea elegans subsp. elegans Peter Rubtzoff 1952-6-3 1170 Sonoma South slopes of Fitch Mountain, near Healdsburg Comment
  JEPS7643  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-23 7651 Sonoma on road to Lytton (Healdsburg); Healdsburg Comment
  RSA173355  Brodiaea elegans subsp. elegans Walter Knight 1117 Sonoma McDowell Road about 0.5 mile from Casa Grande Road. Comment
  JEPS5696  Brodiaea leptandra W. L. Jepson 1918-6-21 7621 Sonoma Calhoun Ranch Windsor 30 Comment
  JEPS18123  Brodiaea stellaris Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-31 5675 Sonoma at base The Butcher Knife (along secondary road following creek); Big Austin Creek 182 Comment
  JEPS82292  Brodiaea stellaris Roger Raiche 1983-7-4 30470 Sonoma slope s Gilliam Creek (below Redwood Lake, at convergence of several steep ravines); East Austin Creek Recreation Area 304 Comment
  CAS-BOT-BC486523  Brodiaea stellaris Catherine Best 1979-5-11 s.n. Sonoma Near Occidental in the east side of Stoetz Road about 100 yeards north of the county dump Comment
  CAS-BOT-BC486528  Brodiaea stellaris Peter Rubtzoff 1969-5-11 6046 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  UCD57976  Bromus carinatus Beecher Crampton 1957-7-11 4303 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD58202  Bromus carinatus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3564 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  UCD58245  Bromus carinatus G. L. Stebbins Jr.; W. S. Boyle 1942-5-12 3231 Sonoma 2.8 miles north of Occidental. On road to Monte Rio. Comment
  CAS-BOT-BC149091  Bromus carinatus var. carinatus Mary P. Wells 1981-8-2 s.n. Sonoma Between playground on Leeward Road and the sea. The Sea Ranch. Comment
  CAS-BOT-BC149095  Bromus carinatus var. carinatus David L. Morgan 1956-4-9 s.n. Sonoma Mountain View Avenue. Comment
  CAS-BOT-BC149099  Bromus carinatus var. carinatus Peter Rubtzoff 1954-6-7 1477 Sonoma Guerneville Marsh. Comment
  SEINET943634  Bromus carinatus var. carinatus Lewis S. Rose 1962-1 62024 Sonoma 1 mile NW of Freestone 76 Comment
  UC1131045  Bromus carinatus var. carinatus H. S. Yates 1937-5-3 6566 Sonoma 1 1/2 mi ne of Petrified Forest 335 Comment
  CAS-BOT-BC149086  Bromus carinatus var. carinatus Peter H. Raven 1950-4-23 1894 Sonoma Solve Vista. 152 Comment
  CAS-BOT-BC148786  Bromus carinatus var. marginatus G. DeNevers 1981-6-6 1498 Sonoma Pepperwood Ranch. South slope of Telegraph Hill. Comment
  CAS-BOT-BC155895  Bromus catharticus var. elatus Lewis S. Rose 1952-4-18 62024 Sonoma 1 mile northwest of Freestone. 76 Comment
  CAS-BOT-BC155899  Bromus catharticus var. elatus Peter Rubtzoff 1960-5-15 4317 Sonoma Fife Creek Marsh. Comment
  UCD36630  Bromus commutatus Beecher Crampton 1955-6-8 2820 Sonoma Sonoma County, Alexander Valley, along Highway 128, 0.5 mile north of Calistoga cutoff. Comment
  UCD58474  Bromus commutatus B. Crampton 1955-5-8 2820 Sonoma Hwy. 128. Alexander Valley. Comment
  CAS-BOT-BC155656  Bromus diandrus David L. Morgan 1956-6-26 s.n. Sonoma Bank of Austen Creek, 3 miles west of Monte Rio, on State Highway #12. Comment
  CAS-BOT-BC155662  Bromus diandrus John Thomas Howell; Walter Knight; Irja Knight 1987-6-4 6228 Sonoma Tood Road Preserve. 24 Comment
  RSA789052  Bromus diandrus Carrie A. Herd 1982-5-4 86 Sonoma Rohnert Park, C.S.U, Sonoma. between dorms and Rancho Cotati High School. Comment
  CAS-BOT-BC155244  Bromus hordeaceus David L. Morgan 1961-5-14 s.n. Sonoma Gold Ridge Road, 4 miles west of Sebastopol. Comment
  UCD38532  Bromus hordeaceus Beecher Crampton 1956-3-13 3226 Sonoma Asti, Italian Swiss Colony Winery. Comment
  UCD59060  Bromus orcuttianus Gerry North 1993-4 3 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 Goodspeed trailhead pullout. On bank edge above Sonoma Creek. 213 Comment
  JEPS116506  Bromus pseudolaevipes Peter Warner 2009-6-3 112 Sonoma Poff Ranch, along N unfenced boundary, adjacent to or on Willow Creek (Calif. State Parks property), upper east Pomo Canyon, on logging road-cut 173 Comment
  RSA656751  Bromus racemosus Beecher Crampton 1956-4-24 3309 Sonoma Healdsberg, vacant lot at junction of Prince and Sherman Streets. Comment
  CAS-BOT-BC185377  Bromus vulgaris Peter Rubtzoff 1953-5-18 1402 Sonoma South of Guerneville (Neeley Hill area). Comment
  CAS-BOT-BC185423  Bromus vulgaris P. B. Kennedy 1915-5-31 s.n. Sonoma Stewart Point. Annapolis. Comment
  UCD60243  Bromus vulgaris B. Crampton 1955-6-17 2928 Sonoma 1.6 miles west of Forestville. Comment
  UC855700  Cakile maritima Milo S. Baker 1938-5-6 8978 Sonoma near Sea Cliff n of Salmon Creek Comment
  UCR37755  Cakile maritima A. C. Sanders 1985-1-19 5369 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  RSA0064342  Calamagrostis Peter Rubtzoff 1967-8-22 5856 Sonoma Hillside depression southeast of lower Salmon Creek Marsh. Comment
  UCD57042  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  RSA144400  Calamagrostis koelerioides Roxana S. Ferris, Laura Lorraine 1961-6-15 13563 Sonoma On Harrison Grade Road, 0.3 mi from Junction with Green Valley Road. Comment
  CAS-BOT-BC185126  Calamagrostis nutkaensis Peter Rubtzoff 1962-8-22 5046 Sonoma Bodega Bay Marsh. Comment
  UCD57506  Calamagrostis nutkaensis P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UCR19364  Calamagrostis nutkaensis John C. Roos 1950-7-22 4869 Sonoma North Coast, Jenner, slopes above sea bluffs 61 Comment
  UC1146641  Calamagrostis ophitidis Freed W. Hoffman 1941-6-1 2188 Sonoma Oregon Canyon North Coast Ranges Comment
  RSA0065162  Calandrinia breweri Greg de Nevers 1997-4-24 10970 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC438612  Calandrinia ciliata Clare R. Wheeler 1978-3-30 138 Sonoma Pine Mt. Road - 4 miles (6.4 km.) NE of Cloverdale 548 Comment
  CDA6850  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma Just east of Sonoma. 0 Comment
  HSC5219  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma just E of Sonoma Comment
  UCR255723  Callitriche Greg de Nevers 1998-4-28 11214 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA0015564  Callitriche Peter Rubtzoff 1969-5-16 6050 Sonoma Guerneville Marsh, eastern part of the marsh in Pocket Canyon. Comment
  CAS-BOT-BC290710  Callitriche heterophylla Peter Rubtzoff 1967-5-21 5843 Sonoma Guerneville Marsh. Comment
  UC1101513  Callitriche heterophylla var. bolanderi Malcolm A. Nobs 1949-8-1 1106 Sonoma 2 mi e Stewart's Point (on road to Geyserville) Comment
  UC17873  Callitriche heterophylla var. bolanderi F. T. Bioletti Apr 1893 Sonoma Kenwood Comment
  CAS-BOT-BC293757  Callitriche marginata Peter Rubtzoff 1974-4-17 7370 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC293678  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4607 Sonoma Upper Stemple Creek Marsh. Comment
  UC119765  Calochortus amabilis Michener and Bioletti May 1893 Sonoma Los Guilicos Comment
  UC400140  Calochortus amabilis Ynes Mexia 1929-6-2 2393 Sonoma near Mark West Springs Comment
  CAS-BOT-BC483271  Calochortus amabilis Alva Day 1982-6-1 82 -69 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC483275  Calochortus amabilis F. F. Wood 1918-4-25 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC483279  Calochortus amabilis A. A. Heller; H. E. Brown 1902-4-22 s.n. Sonoma Between Santa Rosa and Agua Caliente Comment
  SEINET8194287  Calochortus amabilis W. Roderick 1967-5-20 s.n. Sonoma Ida Clayton Road, NW side of Mount St. Helena. 305 Comment
  UCR248727  Calochortus luteus Peter Rubtzoff, Nancy Harrison, Doug Jones 1974-6-8 7574 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  POM169582  Calochortus luteus Michener, F. T. Bioletti 1893-05 s.n. Sonoma Los Guilicos Comment
  JEPS83743  Calochortus raichei Roger Raiche 1986-7-7 60214 Sonoma n Cazadero (sw-facing serpentine slope); The Cedars, Red Slide Creek (central branch) Comment
Read comments
Aug 2 2012
  UCD160814  Calochortus superbus James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3039 Sonoma Section 10, The Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 426 Comment
  UC672142  Calochortus uniflorus Herbert L. Mason 1928-4-13 4327 Sonoma near Petaluma Comment
  CAS-BOT-BC270705  Calycadenia multiglandulosa Roxana S. Ferris; Laura Lorraine 1961-6-14 13548 Sonoma Junction of Occidental Road with Facendini Lane Comment
  CAS-BOT-BC270709  Calycadenia multiglandulosa David D. Keck 1933-11-6 2648 Sonoma 2.5 miles N of Occidental Comment
  UC894254  Calycadenia multiglandulosa Milo S. Baker 1931-7-9 5344 Sonoma s of The Petrified Forest Comment
  UCR255699  Calycadenia truncata Peter Rubtzoff 1966-8-3 5779 Sonoma North Coast Range, going up Bennett Mountain from Lawndale to Bennett Mountain Lake 305 Comment
  UC1971751  Calycadenia truncata R. L. Carr 1986-10-2 2262 Sonoma Mountain Home Ranch Road, ca. 75 yards W of Petrified Forest Road, 1.3 mi NE of Petrified Forest Lane, ca. 3.6 mi SW of Calistoga Comment
  SEINET5626851 Image available Calycanthus Unknown 1893-1 1103 (C.W. Fallass). Sonoma Hoods Peak Comment
  CAS-BOT-BC90987  Calycanthus occidentalis Peter Rubtzoff 1952-6-9 1189 Sonoma North slopes of Fitch Mountain, near Healdsburg. Comment
  CAS-BOT-BC90992  Calycanthus occidentalis Peter Rubtzoff 1974-6-2 7529 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC90995  Calycanthus occidentalis A. A. Heller 1902-6-11 5689 Sonoma Santa Rosa Creek, east of Santa Rosa. Comment
  CAS-BOT-BC91000  Calycanthus occidentalis H. E. McMinn 1922-6-7 180 Sonoma Near Monte Rio. Comment
  JEPS128219  Calycanthus occidentalis Roger Raiche 2000-5-27 111 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET8565825 Image available Calycanthus occidentalis S. L. G. 1892-1 2919 Sonoma Comment
  JEPS64301  Calypso bulbosa Docia Patchett 1917-3-29 Sonoma Cazadero Comment
  UC1134726  Calypso bulbosa E. Armstrong 1934-3-26 944 Sonoma 2 mi sw of Camp Meeker 121 Comment
  JEPS112770  Calystegia collina subsp. collina Dean W. Taylor 1994-5-4 14208 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  HSC96671  Calystegia collina subsp. oxyphylla Thomas W. Nelson, Jane Nelson 2004-5-5 9198 Sonoma Along Pine Flat Rd. 2 mi. from jct. with Hwy. 128 136 Comment
  SD88401  Calystegia purpurata subsp. saxicola Darley F. Howe 1972-4-30 Sonoma Bodega Bay Comment
  UCD167354  Calystegia purpurata subsp. saxicola James Neilson 1981-5-28 4035 Sonoma Mayacmas Mountains. Geysers Healdsburg Rd. about 1/2 mile west Geysers Resort. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC436453  Calystegia subacaulis John Thomas Howell 1955-6-2 30259 Sonoma Near Vine Hill School Comment
  UC1299583  Calystegia subacaulis Freed W. Hoffman 1947-6-4 527 Sonoma North Coast Ranges. East Austin Creek . Comment
  CAS-BOT-BC224353  Calystegia subacaulis subsp. subacaulis J. W. Congdon 1880-6-13 s.n. Sonoma Petaluma Comment
  NY679525  Camissonia cheiranthifolia subsp. cheiranthifolia E. K. Balls 1953-10-9 18597 Sonoma S end of Doran Park, Bodega Bay, Hwy 1. 3 Comment
  HSC16508  Camissonia ovata James Faro 1962-4-14 9 Sonoma Salt Point Ranch, about 5 mi. N of Fort Ross Comment
  UCD81450  Camissonia ovata M. Wiesendanger 1927-5-5 707 Sonoma Sonoma. Comment
  CAS-BOT-BC160367  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Alice Eastwood 1915-6-29 4832 Sonoma Bodega Point Comment
  CAS-BOT-BC160370  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Walter Knight; Irja Knight 1963-8-13 160 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC266418  Campanula californica Peter Rubtzoff 1967-8-28 5864 Sonoma SE of Lower Salmon Creek Marsh Comment
  JEPS81953  Campanula californica Rimo Bacigalupi 1967-8-30 9312 Sonoma se of Forestville (near e end of Templeman Road); Pitkin Marsh 45 Comment
  SEINET10872993  Campanula californica Howell 1945-8-14 Howell 21402 Sonoma Perry Marsh Comment
  SEINET10462844  Campanula prenanthoides Frederic T. Bioletti 1892-7-5 Bioletti s.n. Sonoma SHAGG'S SPRINGS 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-BC37762  Cardamine californica Milo S. Baker 1924-4-27 Local 104 a-24 Sonoma Coopers Grove. Comment
  JEPS53382  Cardamine californica Willis L. Jepson 1893-5-1 32 d Sonoma Knights Valley grade Napa River Basin, , on divide (on divide, Napa River Basin) Comment
  SD130426  Cardamine californica F. Almeda, G. DeNevers 1981-3-30 4889 Sonoma Pepperwood Ranch Comment
  UC10435  Cardamine californica F. T. Bioletti 1894-1 Sonoma Kenwood Comment
  UC909732  Cardamine californica Milo S. Baker 1950-4-1 12155 Sonoma w side Los Guilicos Valley (near location old R.R. tracks); w side Los Guilicos Valley Comment
  CAS-BOT-BC37765  Cardamine californica Walter Knight; Irja Knight 1964-3-11 546 Sonoma Old Sonoma Mountain Road. Comment
  RSA177957  Cardamine californica var. integrifolia R. F. Thorne 1965-4-20 34330 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  RSA63681  Cardamine californica var. integrifolia Milo S. Baker 1950-4-1 12155 Sonoma West side of Los Guilicos Val[ley] near old R.R. tracks. Comment
  JEPS53301  Cardamine oligosperma J. Burtt Davy 1896-3-13 1643 Sonoma near Duncan's Mills; near Duncan's Mills Comment
  UCD114539  Cardamine oligosperma Frederica Bowcutt 1994-5-1 1757 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. Along Sonoma Creek, just E of Bear Creek near bridge over Sonoma Creek. On Goodspeed Trail about 30 yards from trail head; along Sonoma Creek. 198 Comment
  CAS-BOT-BC384862  Cardionema ramosissimum Mary P. Wells 1985-5-26 493 Sonoma One-eyed Jack's Playground, The Sea Ranch Comment
  UCD148413  Carduus Peter Rubtzoff 1959-6-13 4141 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC282948  Carduus acanthoides Greg de Nevers 1991-9-16 9771 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road, on ridge above Bechtel house 475 Comment
  UCR254828  Carex abrupta Peter Rubtzoff 1958-4-26 3585 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC334520  Carex abrupta Peter Rubtzoff 1957-5-4 3296 Sonoma Duncans Mills Marsh. Comment
  SEINET7546986  Carex albida J. T. Howell, J. W. Stacey 1937-1 Sonoma Comment
  CAS-BOT-BC18139  Carex athrostachya Peter Rubtzoff 1957-5-26 3361 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC18140  Carex athrostachya Peter Rubtzoff 1958-5-3 3611 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC320583  Carex athrostachya Peter Rubtzoff 1970-6-14 6260 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  CAS-BOT-BC329309  Carex barbarae Peter Rubtzoff 1974-6-2 7524 Sonoma Upper Green Valley Marsh. Comment
  UC1133324  Carex barbarae H. S. Yates 1936-5-16 5584 Sonoma 1 mi NE of Graton 30 Comment
  CAS-BOT-BC310302  Carex barbarae Peter Rubtzoff 1971-8-9 s.n. Sonoma Laguna Lake area, Cileno Valley. Comment
  RSA0023067  Carex barbarae Peter Rubtzoff 1958-5-10 3655 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  UCR248864  Carex cusickii Peter Rubtzoff 1962-5-25 4841 Sonoma Laguna de Santa Rosa area, northeast of Gratton, near the Laguna Road 30 Comment
  CAS-BOT-BC350940  Carex cusickii Peter Rubtzoff 1962-5-25 4841 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC20506  Carex densa Peter Rubtzoff 1960-5-15 4323 Sonoma Sonoma County Marshes. Fife Creek Marsh. Comment
  CAS-BOT-BC242640  Carex densa Peter Rubtzoff 1958-4-26 3604 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  UCD112359  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC20241  Carex densa Peter Rubtzoff 1968-6-25 5901 Sonoma Lichau Marsh. Comment
  CAS-BOT-BC20472  Carex densa Alice Eastwood; John Thomas Howell 1936-5-19 2526 Sonoma Near Asti. Comment
  CAS-BOT-BC20475  Carex densa G. DeNevers 1981-4-11 683 Sonoma Pepperwood Ranch. South of 3 Tree Hill. Comment
  CAS-BOT-BC20518  Carex densa John Thomas Howell 1943-5-10 17991 Sonoma 1.75 mile N of Windsor. Comment
  UCD112441  Carex densa Peter Rubtzoff 1975-7-3 8150 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC290555  Carex exsiccata Peter Rubtzoff 1955-9-9 2115 Sonoma Bodega Head Marsh. Comment
  UCR250395  Carex exsiccata Peter Rubtzoff 1954-7-4 1535 Sonoma Duncan Mills Marsh, upper portion of marsh 2 Comment
  UCR250396  Carex exsiccata Peter Rubtzoff 1954-8-2 1622 Sonoma Duncan Mills Marsh, upper portion of marsh 2 Comment
  CAS-BOT-BC20136  Carex feta James D. Jokerst 1985-4-26 2273 Sonoma Near Caldwell Ranch. Comment
  CAS-BOT-BC20446  Carex globosa G. DeNevers 1981-6-20 1645 Sonoma Pepperwood Ranch. Comment
  CAS-BOT-BC26256  Carex gracilior H. N. Bolander 3822 Sonoma unspecified Comment
  CAS-BOT-BC28334  Carex gracilior Henry Nicholas Bolander 1864-4-1 3867 Sonoma Meadow on Russian River. Comment
  RSA169302  Carex gynodynama L. S. Rose 1964-6-3 64053 Sonoma N end of Bodega Bay. 2 Comment
  SEINET7561245 Image available Carex harfordii Andrew L. Hipp, Glen C. Clifton 1999-5-27 349 Sonoma Marsh opposite entrance to Doran Beach Park, Bodega Harbor Marsh. 15 Comment
  CDA34810  Carex hassei Peter Warner 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-BC422373  Carex hendersonii Peter Rubtzoff 1957-6-28 3387 Sonoma Duncans Mills Marsh. Comment
  UCR254774  Carex laevicaulis Peter Rubtzoff 1951-9-2 724 A Sonoma Pitkin Marsh, near Forestville 47 Comment
  UC1147785 Image available Carex lemmonii J. T. Howell and J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh; ; Pitkin Marsh, Sonoma Co. Comment
  UC766046  Carex lemmonii R. F. Hoover 1939-5-30 4111 Sonoma near Sebastopol (marsh on Perry's Twin Pines Ranch (= Perry Marsh)) Comment
  CAS-BOT-BC352234  Carex leptopoda Peter Rubtzoff 1964-5-20 5323 Sonoma Bodega Bay Marsh. Comment
  RSA0018584  Carex leptopoda Peter Rubtzoff 1954-6-19 1495 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC119578  Carex nudata John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells 1982-4-28 54677 Sonoma Bouverie Audubon Preserve, ca 1.5 mi E of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC119577  Carex nudata Gregory Clark de Nevers 1981-3-14 528 B Sonoma Pippindale farm, 7 mi NE of Santa Rosa, near Mark West lodge. Comment
  SEINET7569416 Image available Carex nudata John Thomas Howell 1933-4-2 10931 Sonoma Sonoma Creek Canyon. Comment
  RSA0025198  Carex obnupta Peter Rubtzoff 1954-6-19 1494 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC119287  Carex ovalis John Thomas Howell 1947-6-5 23240 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC320469  Carex pachystachya Peter Rubtzoff 1974-6-2 7504 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC320465  Carex pachystachya Peter Rubtzoff 1975-7-3 8151 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC118939  Carex pellita Peter Rubtzoff 1952-5-31 1118 Sonoma Pitkin Marsh, near Forestville. Southern half of the Lower Marsh. Comment
  CAS-BOT-BC117673  Carex serratodens Gregory Clark de Nevers 1987-4-25 8164 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd. 400 Comment
  CAS-BOT-BC422360  Carex serratodens Peter Rubtzoff 1974-6-9 7586 Sonoma Upper Green Valley Marsh. Comment
  RSA796406  Carex stipata Peter Rubtzoff, Nancy Harrison 1978-5-20 9178 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC116933  Carex subbracteata Lewis Samuel Rose 1964-6-3 64052 Sonoma N end of Bodega Bay swamp 1 Comment
  UC846  Carex subbracteata H. N. Bolander April 1864 3868 Sonoma Russian River Comment
  SEINET7577061 Image available Carex subbracteata Lewis S. Rose 1964-6-3 64052 Sonoma N end of Bodega Bay. 2 Comment
  UCD140932  Carex tumulicola P. G. Connors 1991-4-11 104 Sonoma Bodega Head and Dunes. Near Lab road and Salmon Creek. BMR 0730N, 4200E. Comment
  UC589968  Carex vesicaria var. major H. S. Yates 1936-5-17 5632 Sonoma 2 mi ne Graton; Sebastopol Quadrangle 30 Comment
  CAS-BOT-BC281882  Carthamus T. C. Fuller 1969-9-16 18901 Sonoma Ca 1 mile W of the Asti turn-off of the freeway, Highway 101, Asti Comment
  CAS-BOT-BC281916  Carthamus lanatus Peter H. Raven; R. Snow 1958-7-23 13684 Sonoma Near a farm above Wolf Creek, along road to Stewart's Point, 15.5 miles W of Skaggs Springs Comment
  CDA6987  Carthamus lanatus T. C. Fuller 1970-5-4 19487 Sonoma East of Monte Vista Lane, south side of Petaluma-Valley Ford Road, 4.2 miles west of Petaluma. 0 Comment
  CDA6988  Carthamus lanatus T. C. Fuller 1970-9-29 19804 Sonoma North side of Valley Ford Road, 6 miles west of Petaluma. 0 Comment
  JEPS3864  Castilleja W. I. Follett 1937-5-9 67 Sonoma 9 mi se Bodega Bay Comment
  CAS-BOT-BC257350  Castilleja Peter Rubtzoff; Nancy Harrison 1978-5-20 9189 Sonoma Cunningham Marsh area, north side of Blucher Creek Valley. Comment
  CAS-BOT-BC249236  Castilleja affinis Milo S. Baker 1924-4-27 102 Local-'24 Sonoma Road to Coopers Grove Comment
  RSA19277  Castilleja ambigua subsp. ambigua Jens Clausen 1935-5-24 1095 Sonoma 6.5 mi. S. of Jenner on the Bodega Road. Comment
  UC103162  Castilleja ambigua subsp. ambigua J. W. Congdon 1880-5-24 Sonoma Petaluma Comment
  UC1300924  Castilleja ambigua subsp. ambigua Helen K. Sharsmith 1962-5-25 5480 Sonoma from Freestone to Occidental (along the road) Comment
  JEPS3635  Castilleja applegatei subsp. martinii C. Ritchie Bell 1952-6-12 1143 Sonoma 3.7 mi e Pine Flat (on ridge near Sonoma-Lake County line); Mayacamas Range Comment
  UC1537454  Castilleja densiflora subsp. densiflora Gordon H. True Jr. 1938-4-13 860 Sonoma between Sonoma and Black Point Comment
  UC1567928  Castilleja foliolosa F. H. Utech 1986-5-13 86 -104 Sonoma ca 3.0 mi ne Cavedale (road from junction with CA Hwy 12) 250 Comment
  SEINET12327823  Castilleja foliolosa F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -078 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  SEINET12331446  Castilleja foliolosa F. H. Utech 1986-1 86 -104 Sonoma ca 3 mi NE on Cavedale Road from junction with CA 12 250 Comment
  CAS-BOT-BC243848  Castilleja latifolia Peter Rubtzoff 1952-6-10 1242 Sonoma Resort at east base of Fitch Mtn., near Healdsburg Comment
  CHSC63927  Castilleja subinclusa subsp. franciscana John Hale 1990-4-10 15 Sonoma 305 m. NW of Ocean Cove. 6 Comment
  CAS-BOT-BC241090  Castilleja uliginosa Hans Leschke 1945-5-30 s.n. Sonoma Pitkin Marsh Comment
  JEPS35567  Castilleja wightii L. R. Heckard 1964-6-12 1387 Sonoma about 5 mi n Bodega Bay (at Wrights Beach); Sonoma Coast State Park, Wrights Beach Comment
  UC70418  Ceanothus Milo S. Baker May 1899 Sonoma near Occidental Comment
  CAS-BOT-BC48520  Ceanothus confusus Alice Eastwood 1915-6-6 4700 Sonoma Mt. St. Helena 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
  OBI10272  Ceanothus confusus H. E. McMinn 1944-11-5 5449 Sonoma Olive orchard on Rincon Ridge Comment
  SBBG122274  Ceanothus confusus D. O. Burge 2008-5-29 1003 b Sonoma Panorama Ranch Trail, 6.1 km NNW of Kenwood, W slope of Mount Hood; Hood Mtn Regional Park 560 Comment
  SBBG4132  Ceanothus confusus M. S. Baker 1939-3-20 9244 Sonoma ca. 4 mi N of Santa Rosa on rd past County Hospital Comment
  UC1254093  Ceanothus confusus J. A. Delapp 1964-6-5 75 Sonoma Dorman Canyon Ridge 289 Comment
  UC1520698  Ceanothus confusus R. Raiche 1985-4-6 50178 Sonoma W of Healdsburg (ridge W side of Dry Creek Valley, and N of Dorman Canyon (N as far as Bradford Mt.)); Dry Creek Area Comment
  UC18317  Ceanothus confusus Michener and Bioletti March 1898 1898 Sonoma Hood's Peak Comment
  UC727758  Ceanothus confusus Milo S. Baker 1946-2-14 11266 Sonoma Hope Valley near Chamberlain Ranch, Kenwood Region Comment
  UC80038  Ceanothus confusus Katharine Brandegee 1889-4 74 Sonoma Mt. St. Helena Comment
  UCD111359  Ceanothus confusus Milo S. Baker 1939-3-20 9244 Sonoma 4 miles N of Santa Rosa on road past County Hospital. Comment
  RSA0005481  Ceanothus confusus J. T. Howell 1937-4-11 12897 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  CAS-BOT-BC49153  Ceanothus cuneatus John Thomas Howell 1937-7-4 13068 Sonoma Near Petrified Forest Comment
  POM136437  Ceanothus foliosus A. A. Heller, H. E. Brown 1902-5-29 s.n. Sonoma Mt. Hood. Comment
  UC1070624  Ceanothus foliosus C. M. Belshaw 1936-3-8 1590 Sonoma 3/4 mi n Annadel (nw of Kenwood.); Santa Rosa quad. 144 Comment
  UC18328  Ceanothus foliosus F. T. Bioletti 1892-1 Sonoma Comment
  UCD160879  Ceanothus foliosus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3283 Sonoma Mayacmas Mountains, ca. 1/4 mile south of Caldwell Pines, ca. 3 1/2 miles west of Whispering Pines, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SEINET13945888 Image available Ceanothus foliosus G. Thomas Robbins 1938-1 257 Sonoma Along road to Occidental W of Green Valley Comment
  UCD112133  Ceanothus foliosus var. vineatus L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  CAS-BOT-BC50008  Ceanothus gloriosus John Thomas Howell 1935-5-5 12619 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50016  Ceanothus gloriosus John Thomas Howell 1937-4-11 12901 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49946  Ceanothus gloriosus var. exaltatus John Thomas Howell 1935-5-5 12624 Sonoma Kenwood Comment
  UC631633  Ceanothus gloriosus var. exaltatus G. Thomas Robbins 1940-3-22 300 Sonoma Guerneville road, Vine Hill region, about 8 1/2 miles west of Santa Rosa. 45 Comment
  CAS-BOT-BC49975  Ceanothus gloriosus var. gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S. of Stewart's Point Comment
  CAS-BOT-BC50956  Ceanothus integerrimus Walter Knight; Irja Knight 1963-12-27 473 Sonoma Summit, Pine Flat Rd Comment
  CAS-BOT-BC51116  Ceanothus jepsonii Walter Knight; Irja Knight 1963-12-27 454 Sonoma Pine Flat Rd. - Circle 8 Ranch Comment
  UC1070783  Ceanothus jepsonii C. M. Belshaw 1936-3-8 1579 Sonoma .75 mi n. Annadel (nw of Kenwood); Santa Rosa quad. Comment
  CDA9346  Ceanothus jepsonii subsp. jepsonii D. G. Kelch 2006-6-24 6 .325 Sonoma On serpentine along Harrison Grade. Comment
  UC1193308  Ceanothus jepsonii var. albiflorus R. H. Neuns 1950-5-5 104 Sonoma 2 1/2 mi W of Mercuryville 914 Comment
  UC583424  Ceanothus jepsonii var. albiflorus Elmer I. Applegate 1934-3-25 8860 Sonoma Pine Flat, W slope of Mayacama Mountains Comment
  CAS-BOT-BC51131  Ceanothus jepsonii var. albiflorus Marie Kelly 1958-4-1 s.n. Sonoma In northern Sonoma Co. SE. of McDonald Comment
  SEINET12211130  Ceanothus jepsonii var. albiflorus Unknown 1985-1 50182 Sonoma Dry Cr. area nr Healdsburg, ridge W of Dry Cr Valley, unnamed road n of Dorman Cyn 244 Comment
  CAS-BOT-BC51869  Ceanothus parryi H. E. McMinn 1922-6-7 s.n. Sonoma Near Monte Rio Comment
  CAS-BOT-BC51870  Ceanothus parryi H. E. McMinn 1922-6-7 165 Sonoma Camp Meeker Comment
  CAS-BOT-BC51894  Ceanothus parryi Rimo Bacigalupi 1926-5-2 1396 Sonoma Cazadero Comment
  JEPS25143  Ceanothus parryi G. Thomas Robbins 1959-5-16 4013 Sonoma on Spring Mtn Road between Calistoga Road and Sonoma-Napa County line (along upper Mark West Creek, Mayacamas Mts.); Mayacamas Mts., along upper Mark West Creek 426 Comment
  SD88409  Ceanothus parvifolius D. F. Howe 1972-4-28 Sonoma Trinity Road, Mt. Hood Range 395 Comment
  UCD112699  Ceanothus sonomensis Jennifer Bury; Peggy Herzog 1993-5-8 264 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 381 Comment
  UCD112702  Ceanothus sonomensis Roman Gankin 1966-3-3 690 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road, 3.1 miles east of junction with State Highway 12. Comment
  UCR250220  Ceanothus sonomensis Peter Warner 2013-3-27 272 Sonoma Glen Oaks Ranch, c. 1 mi east of Glen Ellen, in northeast part of ranch 168 Comment
  CAS-BOT-BC53048  Ceanothus sonomensis Michener; Bioletti 1892-5-1 s.n. Sonoma Hoods Peak Comment
  SBBG4259  Ceanothus thyrsiflorus var. griseus H. and M. Dearing 1939-5-15 3378 Sonoma N of Fort Ross Comment
  JEPS128218  Centaurea melitensis Roger Raiche 2000-5-5 098 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC277157  Centaurea melitensis G. DeNevers 1981-6-6 1480 Sonoma Pepperwood Ranch. S slope of Telegraph Hill Comment
  UCD130048  Centaurea melitensis Mary M. Hektner; Sue Dakuazku, Cathy Hendel 1974-7-3 111 Sonoma Unit 15 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  RSA181381  Centaurea solstitialis James I. McMurphy 1909-8-9 s.n. Sonoma Sonoma Comment
  UC511236  Centaurium trichanthum Lyman Benson 1930-6-18 2165 Sonoma 4 mi s Santa Rosa (watershed of San Francisco Bay); North Coast Range, San Francisco Bay 60 Comment
  CAS-BOT-BC288815  Centromadia fitchii Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC288811  Centromadia fitchii Milo S. Baker 1930-6-1 4167 a Sonoma Foppiano's Ranch, must N of his subdivision, near Healdsburg Comment
  CAS-BOT-BC279397  Centromadia pungens subsp. pungens W. Knight; I. Knight 1984-8-26 5422 Sonoma Willow Creek Road 60 Comment
  CAS-BOT-BC251307  Cerastium Peter Rubtzoff 1967-8-28 s.n. Sonoma Lower Salmon Creek Marsh. 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
  SEINET7067242  Cerastium glomeratum A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head. Coordinate datum: NAD27. Comment
  CAS-BOT-BC400224  Ceratophyllum demersum Greg de Nevers 1996-10-18 10888 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In Biggest Double Pond 487 Comment
  CDA16230  Ceratophyllum demersum G. F. Hrusa, R. Gross 1998-2-15 14151 Sonoma Knights Valley; Foote Ranch. 0 Comment
  CAS-BOT-BC400233  Ceratophyllum demersum Peter Rubtzoff 1964-8-20 5464 Sonoma 1 mi. southeast of Jenner (nr. crossing of Hwys. 1 & 12) Comment
  SEINET176827  Cercocarpus betuloides John T. Howell 1933-4-2 10938 Sonoma Sonoma Creek Canyon Comment
  UC1084435  Cercocarpus betuloides var. betuloides G. Thomas Robbins 1940-3-21 293 Sonoma 5-6 mi e of Windsor (Barnes Creek along Chalk Hill Road); Barnes Creek 38 Comment
  JEPS26636  Chamaemelum fuscatum R. Bacigalupi 1948-4-4 2870 Sonoma ca 2 mi s of Asti (along U.S. 101) Comment
  CAS-BOT-BC279790  Chamaemelum fuscatum Peter H. Raven 1963-4-12 18161 Sonoma Along U.S. 101 just south of Asti Comment
  RSA79015  Chamaemelum fuscatum P. A. Munz 1952-3-23 17351 Sonoma 0.5 mile among Vines in vineyard, 2 miles S of Asti Vineyard (Italian Swiss Colony). Comment
  UCD130400  Chamaemelum fuscatum Philip A. Munz 1952-3-23 17351 Sonoma 2 miles south of Asti Vineyard (Italian Swiss Colony). Comment
  CAS-BOT-BC166667  Chenopodium Peter Rubtzoff 1972-7-22 6831 Sonoma Laguna, Chileno Valley. Comment
  CDA2982  Chenopodium album Peter Rubtzoff 1962-6-21 4934 A. Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. 0 Comment
  UC168633  Chenopodium botrys T. S. Brandegee July, 1885 Sonoma Cloverdale Comment
  UC1563922  Chenopodium pumilio Barbara Ertter 1988-11-5 8032 Sonoma ca 5 mi due s Cloverdale (point below Little Flat parking area, Lake Sonoma, w of bridge); Lake Sonoma 152 Comment
  OBI35907  Chloropyron maritimum subsp. palustre David J. Keil 1983-6-29 17193 Sonoma Doran Beach Co Park. Bodega Head Comment
  CAS-BOT-BC191507  Chorizanthe cuspidata var. villosa Alice Eastwood 1915-6-29 4832 Sonoma Bodega Point Comment
  CAS-BOT-BC257028  Chorizanthe membranacea G. DeNevers; M. Harding 1981-7-11 1759 Sonoma Pepperwood Ranch. S face at the high hill W of 3 Tree Hill Comment
  SEINET7883461 Image available Chrysanthemum segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  UC1193057  Chrysolepis chrysophylla var. minor R. H. Neuns 1950-5-23 114 Sonoma 2 mi w Cobb (on Cobb Mountain, on Sonoma-Lake County line); Cobb Mountain 1264 Comment
  RSA135376  Circaea alpina subsp. pacifica Volney Rattan 1877-6-13 s.n. Sonoma Guernville Comment
  CAS-BOT-BC173549  Cirsium Peter Rubtzoff 1970-9-3 6368 Sonoma Hillside marsh above Shell Beach in Sonoma Coast State Beach area. Comment
  CAS-BOT-BC290570  Cirsium Peter Rubtzoff 1964-5-20 5313 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC284426  Cirsium brevistylum John Thomas Howell 1930-7-27 5400 Sonoma 1 mile north of Fort Ross Comment
  UCD161669  Cirsium cymosum James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3369 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC280000  Cirsium douglasii var. douglasii H. D. Ripley; R. C. Barneby 1945-6-22 6949 Sonoma Bodega Bay 6 Comment
  UC178901  Cirsium douglasii var. douglasii Katharine Brandegee 1905-6-25 Sonoma Bodega Comment
  UCD130613  Cirsium douglasii var. douglasii P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar, near old orchard. Comment
  CAS-BOT-BC286378  Cirsium occidentale var. occidentale Alice Eastwood 1915-6-29 4888 Sonoma Bodega Point Comment
  CAS-BOT-BC290636  Cirsium occidentale var. occidentale Peter Rubtzoff 1958-7-26 3801 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC280364  Cirsium occidentale var. venustum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC280371  Cirsium occidentale var. venustum A. A. Heller 1902-6-24 5753 Sonoma Near Burke's Sanitarium Comment
  UC75938  Cirsium remotifolium var. odontolepis Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  CAS-BOT-BC162608  Clarkia John H. Thomas 1955-5-22 5182 Sonoma Along St. Helena Road and West Creek, 1.2 miles west of Sonoma-Napa County line, about 6 miles from St. Helena 457 Comment
  CAS-BOT-BC162556  Clarkia affinis Alva Day 1982-6-1 82 65 B Sonoma Pepperwood Ranch Comment
  UC1299418  Clarkia amoena Freed W. Hoffman 1947-6-4 528 Sonoma headwaters East Austin Creek; North Coast Ranges Comment
  UC373536  Clarkia amoena Mrs. R. L. Wade 1928-8-16 Sonoma between Bodega and Bodega Bay 5 Comment
Read comments
Apr 14 2009
  UC478907  Clarkia amoena Marcus E. Jones, A. M. 1931-7-5 28991 Sonoma w Cloverdale Comment
  UCD104021  Clarkia amoena Frederica Bowcutt; Joy Keeney, Adam Greene 1994-5-21 1810 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, about 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood and about 18 air miles NW of Napa. Along meadow trail appx. 3/4 mile from trailhead. 396 Comment
  UC423079  Clarkia amoena subsp. amoena Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  CHSC22113  Clarkia amoena subsp. huntiana Robert A. Schlising; Lloy Thurman 1962-6-15 2303 Sonoma Coast Ranges. Dutcher Creek Road, S of Cloverdale and Asti; roadside. Comment
  UCR121480  Clarkia amoena subsp. huntiana George K. Helmkamp, E. A. Helmkamp 2000-6-18 5700 Sonoma Outer North Coast Ranges, along Calif. Hwy 128, 0.5 mi south of Mendocino Co. line 381 Comment
  POM271819  Clarkia amoena subsp. huntiana Lyman Benson 1928-6-25 352 Sonoma Mendocino - Somona county line, Cloverdale - Hopland; Middle North Coast Mtn Range, Russian River. Ridge at county line, Redwood Highway 457 Comment
  CAS-BOT-BC172206  Clarkia concinna Rimo Bacigalupi 1926-5-2 1397 Sonoma Cazadero Comment
  CAS-BOT-BC172213  Clarkia concinna Roxana S. Ferris; Laura Lorraine 1961-6-15 13550 Sonoma Green Valley Road, 0.8 mi. E of junction with Harrison Grade Road Comment
  CAS-BOT-BC172218  Clarkia concinna Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  UCR265106  Clarkia concinna Ann Howald 2015-4-1 3338 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 19.2 miles west of intersection with Rockpile Rd, Wheatfield Fork of Gualala River drainage 132 Comment
  POM253277  Clarkia concinna subsp. concinna A. A. Heller 1938-5-14 15087 Sonoma Just east of Bodega Bay. Comment
  UCD104539  Clarkia gracilis Frederica Bowcutt 1994-5-21 1803 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, about 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood, about 18 air miles NW of Napa. Along meadow trail, approx. 1/4 mile from trailhead. 1300 Comment
  CAS-BOT-BC163135  Clarkia gracilis subsp. sonomensis Joseph P. Tracy 1944-7-3 17484 Sonoma Trinity River Valley, at Willow Creek 152 Comment
  CAS-BOT-BC163139  Clarkia gracilis subsp. sonomensis A. A. Heller 1902-6-24 5752 Sonoma Near Burke's Sanitarium Comment
  UC76446  Clarkia gracilis subsp. sonomensis Miss M. Alice King May 1897 Sonoma near Healdsburg Comment
  CAS-BOT-BC163131  Clarkia gracilis subsp. sonomensis May 1886-6-1 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC163146  Clarkia gracilis subsp. sonomensis John Thomas Howell 1929-6-9 4303 Sonoma Near highway, Valley of the Moon one mile from Glen Ellen Comment
  CAS-BOT-BC163150  Clarkia imbricata John Thomas Howell 1945-7-18 21315 Sonoma Dry slope bordering Pitkin Marsh Comment
  RSA108400  Clarkia imbricata Harlan Lewis, M. Lewis 1951-7-10 865 Sonoma Santa Rosa to Guerneville; 6230 Vine Hill road Comment
  CAS-BOT-BC163472  Clarkia purpurea subsp. quadrivulnera Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  OBI48970  Clarkia rubicunda Michener & Bioletti, Bioletti June 1893 s.n. Sonoma Glen Ellen Comment
  POM32298  Clarkia unguiculata A. A. Heller 1902-6-11 5686 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  UCD100578  Claytonia exigua J. Adams; J. Weick, Daehler, Lu 1993-5-8 286 Sonoma about 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Comment
  SDSU9780  Claytonia exigua subsp. exigua D. F. Howe 1963-5-23 3532 Sonoma 4 miles north of Cloverdale on #128. 335 Comment
  UC1057472  Claytonia exigua subsp. exigua G. Thomas Robbins 1940-3-21 296 Sonoma 506 mi e Windsor (Barnes Creek Canyon, e of Chalk Hill Road); Barnes Creek Canyon 121 Comment
  UCR261657  Claytonia exigua subsp. exigua Ann Howald 2003-3-8 2275 Sonoma Inner North Coast Ranges, Mayacamas Mountains, Sugarloaf Ridge State Park, McCormick Addition, ca. 0.1 mile east of intersection of Headwaters Trail and Grandmother Oaks Trail 450 Comment
  CAS-BOT-BC439320  Claytonia exigua subsp. exigua Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane, 2 mi. north east of Occidental Comment
  JEPS128323  Claytonia gypsophiloides Roger Raiche 2000-3-11 004 .00 Sonoma The Cedars. Lower Russian, Big Austin Creek watershed. Comment
  CAS-BOT-BC439633  Claytonia parviflora subsp. parviflora Peter Rubtzoff 1957-5-4 3305 Sonoma Duncan Mills Marsh. Comment
  CAS-BOT-BC439638  Claytonia parviflora subsp. parviflora Carl Meyer 1929-3-29 s.n. Sonoma Unspecified Comment
  JEPS117129  Claytonia perfoliata Peter Warner 2010-3-29 122 Sonoma 1670 Bloomfield Road, approx. 3 km S of center Sebastopol Comment
  CAS-BOT-BC443680  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1946-3-31 21590 Sonoma Sonoma Comment
  CAS-BOT-BC443871  Claytonia sibirica Peter Rubtzoff 1964-7-3 5340 Sonoma Bodega Bay Marsh. Comment
  UC72567  Claytonia sibirica Milo S. Baker 1898-4-5 3 Sonoma e of Stewart's Point (grade) Comment
  CAS-BOT-BC92749  Clematis ligusticifolia Peter Rubtzoff 1970-8-31 6349 Sonoma Along bank of Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC9087  Clematis ligusticifolia F. T. Bioletti 1892-7-2 Sonoma Mark West Creek Comment
  CDA11954  Clintonia andrewsiana G. F. Hrusa 1990-6-5 8111 Sonoma North Coast Biodiversity Arena; on Stewart's Point Rd., near Wheatfield Fk. Gualala R. crossing, approx. 3 m W of Stewart's point. Comment
  CAS-BOT-BC499956  Clintonia andrewsiana Mrs. H. C. Cantelow 1934-4-29 495 Sonoma Bank of Gualala River Comment
  SD130525  Collinsia heterophylla F. Almeda, G. DeNevers 1981-4-28 4903 Sonoma Approximately I(c) mi from main gate to Pepperwood Ranch Natural Preserve just off Franz Valley Rd. Comment
  UC583427  Collinsia sparsiflora var. arvensis Elmer I. Applegate 1934-3-25 8850 Sonoma w slope of Mayacama Mountains, Pine Flat Region, Sansal Creek Sansal Creek; Mayacama Mountains, Pine Flat Region, Sansal Creek Comment
  SEINET6985357  Collinsia sparsiflora var. arvensis A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma 1 mile east of Occidental. Comment
  UC76211  Collinsia sparsiflora var. sparsiflora Milo S. Baker 1898-4-6 Sonoma Between Gualala R. and Skaggs Springs Gualala River Comment
  JEPS34516  Collinsia tinctoria Freed W. Hoffman 1948-8-2 2356 Sonoma on way to Rincon Valley St. Helena (near summit of Spring Mtn Rd); North Coast Ranges 609 Comment
  JEPS7308  Collinsia tinctoria Milo S. Baker 1904-6-19 Sonoma Sonoma Cr. Canyon Comment
  UC26664  Collinsia tinctoria F. T. Bioletti Jun 1891 Sonoma Kenwood Comment
  UC23632  Collomia heterophylla Harley P. Chandler 1900-5-25 662 Sonoma Bodega Comment
  CAS-BOT-BC286004  Conyza bonariensis Walter Knight; Irja Knight 1963-9-1 215 Sonoma Magnolia Ave., Petaluma Comment
  JEPS62607  Cordylanthus maritimus subsp. palustris T. I. Chuang with Fei-Mei Chuang 1970-8-25 6846 Sonoma Coastal salt marsh nw of Bodega Bay (U. C. Biological Reserve); U. C. Biological Reserve Comment
  JEPS28863  Cordylanthus pilosus subsp. pilosus Roxana S. Ferris and Laura Lorraine 1960-9-30 13594 Sonoma Upper Harrison Grade Comment
  RSA0065199  Cordylanthus pilosus subsp. pilosus Greg de Nevers 1997-6-7 11074 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Oak Hill Ranch. 100 Comment
  UC26341  Cordylanthus pilosus subsp. pilosus F. T. Bioletti 1892-9-5 Sonoma Comment
  UCD123130  Cordylanthus tenuis subsp. brunneus Roger Raiche 1985-6-30 RR 50567 Sonoma unnamed ridge on west side of Dry Creek Valley, north of Crane Creek and south of Bradford Mt. 274 Comment
  RSA537660  Cordylanthus tenuis subsp. capillaris T. I. Chuang 1972-7-22 7075 Sonoma 2 miles N of Occidental on Harrison Grade Road Comment
  RSA537704  Cordylanthus tenuis subsp. capillaris T. I. Chuang 1970-7-25 6834 Sonoma Stoetz Road, west of Harrison Grade, 2.7 miles east of Occidental Comment
  UCD123134  Cordylanthus tenuis subsp. capillaris D. Sanchez-Mata; P. Rodriguez-Rojo 1997-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. 800 Comment
  CAS-BOT-BC101573  Corethrogyne filaginifolia Mary P. Wells 1982-7-3 s.n. Sonoma Unit 34A, The Sea Ranch Comment
  UCR244638  Cornus Peter Rubtzoff 1973-8-31 7290 Sonoma Upper Green Valley Marsh, slope of Green Valley Road 164 Comment
  CAS-BOT-BC212290  Cornus glabrata Peter Rubtzoff 1951-6-7 109 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  UCR255684  Cornus glabrata Greg de Nevers 1998-4-27 11196 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  RSA239697  Cornus stolonifera Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1094 Sonoma Pitkin-Jones Tree Farm; on Vine Hill Rd. west of Santa Rosa. Comment
  CAS-BOT-BC251216  Cotoneaster Peter Rubtzoff 1958-8-23 3905 Sonoma Laguna de Santa Rosa, east of Cunningham near Llano Road. Comment
  SFV8415  Cotula coronopifolia B. Stanfield 1966-5-8 30 Sonoma Sandy flats near beach, 0.5 miles south of Bodega Bay. Comment
  CAS-BOT-BC427643  Crassula aquatica H. K. Wagnon 1989-5-23 1956 Sonoma Spring Lake Park and environs. Adjacent to Montgomery Drive. Adjacent to Spring Creek diversion channel 67 Comment
  CAS-BOT-BC427648  Crassula aquatica Peter Rubtzoff 1963-6-6 5163 Sonoma Laguna de Santa Rosa east of Graton Comment
  SD141317  Crassula solieri Reid Moran, Charles Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1.0 km east of Glen Ellen. 110 Comment
  CAS-BOT-BC143504  Crataegus gaylussacia Peter Rubtzoff 1958-5-3 3614 Sonoma Atascadero Creek Marsh Comment
  JEPS107020  Crataegus suksdorfii J. Greenhouse with Gene Cooley, John Game 2004-6-15 5091 Sonoma Cunningham Marsh, ~0.5 mi S of Lone Pine Rd 35 Comment
Read comments
Apr 18 2010
  RSA94007  Crataegus suksdorfii Peter Rubtzoff 1951-6-16 212 Sonoma N half of lower Pitkin Marsh, SE of Forestville Comment
Read comments
Apr 28 2010
  CDA36778  Crupina vulgaris D. B. Joley 1976-7-28 35 Sonoma Bennett Valley Road, south of golf course. 0 Comment
  CDA4461  Crupina vulgaris G. D. Barbe 1991-5-15 4412 (b) Sonoma Inside western boundary of Annadel State Park, Santa Rosa. Comment
  UC857111  Cryptantha flaccida Milo S. Baker 1936-1-1 8607 Sonoma Sulphur Creek Canyon Highway, near mouth of canyon Sulphur Creek Canyon Comment
  UC905112  Cryptantha muricata Milo S. Baker 1947-5-7 11735 Sonoma near base of Sugar Loaf (sw slope of Hood Mt.); Hood Mt. 365 Comment
  CAS-BOT-BC164356  Cucurbita Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa, N of Sebastopol (near Occidental Road). Comment
  JEPS73684  Cupressus macnabiana L. R. Heckard 1968-2-25 1752 Sonoma along Cavedale Road about 5 mi from its junction with the Sonoma-Kenwood Road (western slope of Hooker Canyon (head of)); western slope of Hooker Canyon (head of) 548 Comment
  HSC99996  Cupressus pygmaea J. P. Smith, , J. O. Sawyer, & R. J. Cole 2009-10-10 12692 Sonoma Salt Point State Park Comment
  CAS-BOT-BC85455  Cupressus sargentii Elizabeth McClintock 1967-9-10 4 Sonoma Ida Clayton Road on west side of Mount St. Helena Comment
  CAS-BOT-BC85461  Cupressus sargentii John Thomas Howell 1933-4-2 10960 Sonoma Serpentine ridge, 2 miles east of Occidental Comment
  CAS-BOT-BC85464  Cupressus sargentii Milo Samuel Baker 1928-3-1 2597 b Sonoma W.B. Coy Ranch north of Occidental Comment
  SEINET11739137  Cupressus sargentii W. Knight, Knight, I. 1982-1 4617 Sonoma 2.1 mi toward Mounte Rio from Camp Meeker on Bohemian Highway Comment
  RSA0051274  Cuscuta Greg de Nevers 1996-11-10 10891 Sonoma Just north of Highway 37 opposite Port Sonoma, Lower Ranch. 0 Comment
  UC1042318  Cuscuta obtusiflora var. glandulosa John Thomas Howell 1946-8-17 22851 Sonoma n of Sebastopol; The Laguna Comment
  JEPS128271  Cymopterus terebinthinus var. californicus Roger Raiche 2000-4-7 020 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC320510  Cynodon Peter Rubtzoff 1970-9-13 6385 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  UC1131374  Cynodon dactylon H. S. Yates 1937-5-30 6539 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  UC816852  Cynodon dactylon Marcus E. Jones, A. M. 1882-7-18 Sonoma Duncan's Mills Comment
  UCD37117  Cynodon plectostachyus Beecher Crampton 1957-5-15 4042 Sonoma 4-5 miles southwest of Healdsburg, Foreman Lane, Frank C. Grace Ranch. Comment
  SEINET6180923  Cynosurus cristatus Fred W. Hoffman 1943-6-20 2061 Sonoma Eckert Ranch near Salt Point, Sonoma Coast.; 0 Comment
  CAS-BOT-BC190428  Cynosurus echinatus John H. Thomas 1976-6-18 18359 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville. Comment
  CAS-BOT-BC190434  Cynosurus echinatus G. DeNevers 1981-5-11 1121 Sonoma Pepperwood Ranch. By the Garrison Gate. Comment
  CAS-BOT-BC190474  Cynosurus echinatus Roxana S. Ferris; Laura Lorraine 1948-6-9 11663 Sonoma 11 miles from Geyserville on road to Kellogg. Comment
  UC1011015  Cynosurus echinatus Virginia Bufford 1936-5-1 154 Sonoma head of Bodega Canyon Comment
  UCD60173  Cynosurus echinatus Rimo Bacigalupi; L. Heckard 1961-6-9 7743 Sonoma Near reservoir at head of North Fk. of Lancel Creek; just below the serpentine area along Stoeti Lane, about 1/2 mile northwest of its junction with Harrison Grade road, about 3/4 mile northwest of Occidental School. 222 Comment
  UCD60175  Cynosurus echinatus R. Tofsrud 1948-5-1 s. n. Sonoma Northeast Sonoma County. Comment
  CAS-BOT-BC350926  Cyperus Peter Rubtzoff 1978-7-19 9239 Sonoma Russian River at Del Rio Beach, c. 2.5 miles east of Healdsburg on South Fitch Mountain Road. Comment
  CAS-BOT-BC114517  Cyperus eragrostis Walter Knight; Irja Knight 1963-10-3 356 Sonoma Bennett Valley Comment
  CAS-BOT-BC114518  Cyperus eragrostis Walter Knight; Irja Knight 1963-9-29 228 Sonoma In ditch on Lakeville hwy near freeway. Comment
  RSA94295  Cyperus eragrostis Peter Rubtzoff 1951-8-4 588 Sonoma Pitkin Marsh, near Forestville. A marshy opening south of the Upper Marsh Comment
  UC728611  Cyperus niger Milo S. Baker 1945-6-18 11118 Sonoma lower Meadow Pitkin Marsh Comment
  CAS-BOT-BC113906  Cyperus niger var. capitatus Peter Rubtzoff 1951-7-1 323 Sonoma Plants of the Pitkin Marsh, near Forestville. Lower part of the upper marsh. Comment
  UC1299377  Cypripedium californicum Freed W. Hoffman 1947-5-30 514 a Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UC410708  Cypripedium californicum A. L. Graff 1928-5-22 Sonoma headwaters of Austin Creek Comment
  CAS-BOT-BC136482  Cypripedium montanum Mrs. H. C. Cantelow 1948-5-21 s.n. Sonoma Field redacted by CAS, contact the data manager for more information Comment
  CAS-BOT-BC435193  Cypselea humifusa Peter Rubtzoff 1969-8-24 6148 Sonoma Pond on River Road 3 mi. west of Fulton. Comment
  RSA0022473  Dactylis glomerata Peter Rubtzoff 1968-7-13 5921 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC445557  Damasonium californicum Peter Rubtzoff 1958-5-10 3653 Sonoma Laguna de Santa Rosa north of Cunningham (nr. Todd Road). Comment
  CAS-BOT-BC192268  Danthonia californica David L. Morgan 1956-5-17 s.n. Sonoma On Watmaugh Rd., 1/2 mi. W. of junction of Arnold Drive 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
  JEPS121156  Danthonia californica Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18595 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  UCD60307  Danthonia californica R. Tofsrud 1941-5-1 28 Sonoma Behind old Santa Rosa Cemetery. Comment
  UCD61011  Danthonia californica R. Tofsrud 1948-5-9 Sonoma 1 mi. E of Mark West Springs. Comment
  RSA126873  Danthonia californica var. americana H. S. Yates 1937-5-30 6541 Sonoma 1.5 miles N.N.E. of Graton 30 Comment
  UCD37939  Danthonia californica var. americana Beecher Crampton 1962-5-8 6411 Sonoma Sonoma County, 5 miles south of Geyserville. Comment
  UCD33239  Danthonia californica var. americana Beecher Crampton 1967-5-15 7935 Sonoma Sonoma County, 14 miles N.W. of Calistoga on Hwy. 128 near Chalk Hill road. Comment
  UCD34819  Danthonia californica var. americana Beecher Crampton 1963-5-27 6811 Sonoma Sonoma County, Alexander Valley, state Hwy. 128, ca. 8 miles S.E. of Geyserville. Comment
  CAS-BOT-BC154138  Datura stramonium var. tatula Peter Rubtzoff 1951-8-5 593 Sonoma Mirabel Park, 1.5 miles north of Forestville. Comment
  CAS-BOT-BC293811  Deinandra corymbosa Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  UCR279606  Deinandra corymbosa Peter Rubtzoff 1955-9-9 2121 Sonoma Bodega Head Marsh 2 Comment
  CAS-BOT-BC293815  Deinandra corymbosa Milo S. Baker 1930-6-1 4168 a Sonoma Fappiano's Ranch just north of his Subdivision on Russian River. Near Healdsburg Comment
  UC220564  Deinandra kelloggii Dr. Edward Palmer 1892-6-27 2679 Sonoma Petaluma Comment
Read comments
Apr 16 2019
  RSA0016957  Delphinium decorum M. V. Ott 1934-3-31 75 Sonoma Larkspur Hill about 1 mi W of coast. Comment
  LA207501  Delphinium hesperium Carl Epling; L. Stebbins, H. Lewis 1943-6-17 515 Sonoma Bodega Bay, ca. 2 mi. E of bay at rock outcrops Comment
  UC70363  Delphinium hesperium Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  UCSB31450  Delphinium hesperium Townsend, J. 1977-5-30 Sonoma East side Russian river; about 2 miles south of Guerneville 335 Comment
  UC1031404  Delphinium hesperium subsp. hesperium C. Epling, L. Stebbins, and H. Lewis 1943-6-17 Sonoma rock outcrops about 2 mi e Bodega Bay Comment
  CAS-BOT-BC10128  Delphinium luteum A. A. Heller 1940-5-17 15634 Sonoma On State Highway #1, a mile or so east of Bodega Bay 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
  CDA24249  Delphinium nudicaule G. D. Barbe, T. C. Fuller 1985-3-28 4198 Sonoma In ravine southwest of pasture; 6560 Sonoma Mountain Road, south of Santa Rosa. Comment
  CAS-BOT-BC17105  Delphinium uliginosum Maxine Wilkes 1933-5-21 s.n. Sonoma Near Mt. St. Helena Comment
  CAS-BOT-BC7768  Delphinium variegatum A. A. Heller; H. E. Brown 1902-4-16 5310 Sonoma Fields east of Santa Rosa Comment
  RSA70708  Delphinium variegatum L. S. Rose 1951-5-17 51012 Sonoma Hills E of Agua Caliente. 122 Comment
  UC703181  Delphinium variegatum subsp. variegatum John Thomas Howell 1941-4-5 16175 Sonoma 1 mi s El Verano Comment
  CAS-BOT-BC7770  Delphinium variegatum subsp. variegatum John Thomas Howell 1941-4-5 16175 Sonoma 1 mile S of El Verano Comment
  UC9246  Delphinium variegatum subsp. variegatum F. T. Bioletti 1893-5 Sonoma Comment
  SEINET5339603  Dendromecon rigida K. Brandegee 94 Sonoma Mt. St. Helena, North Coast Ranges, on slopes back of the Toll House. Comment
  CAS-BOT-BC11001  Dendromecon rigida subsp. rigida J. Clausen 1933-3-25 725 Sonoma About 4 miles east of Warfield along the road to Oakville. On the Youngman Ranch. 213 Comment
  CAS-BOT-BC173659  Dentaria Peter Rubtzoff 1962-4-11 4790 Sonoma Laguna de Santa Rosa north of Cunningham (near Todd Road) Comment
  UC767083  Deschampsia cespitosa subsp. beringensis R. F. Hoover 1941-5-14 5072 Sonoma 1 mi. n. Valley Ford Comment
  UC1011016  Deschampsia cespitosa subsp. cespitosa Virginia Bufford 1936-5-19 283 Sonoma 10 mi. from Santa Rosa (Sonoma Mt. Rd.) Comment
  UCD63778  Deschampsia cespitosa subsp. holciformis Beecher Crampton 1957-7-11 4334 Sonoma 1.3 miles north of Salmon Creek. Comment
  UCD63791  Deschampsia cespitosa subsp. holciformis P. B. Kennedy 1915-6-1 Sonoma Del Mar. Comment
  RSA784395  Deschampsia danthonioides Peter Rubtzoff 1969-5-24 6061 Sonoma 7.5 mi NE of Penngrove on Lichau Road. 427 Comment
  CDA34803  Deschampsia danthonioides Peter Warner 2010-5-6 147 Sonoma Annadel State Park, in upland vernal pool ~250 m N of Canyon Trail, ~220 m W of Spring Creek, just S of old rock wall. Comment
  UCR255732  Deschampsia elongata Greg de Nevers 1996-6-17 10832 Sonoma CYO Camp south of Occidental on Bohemian Highway [2136 Bohemian Hwy, Occidental] 122 Comment
  SEINET3927657  Deschampsia holciformis Fred W. Hoffman 1943-5-9 2204 Sonoma Bodega Park, Sonoma Coast.; 0 Comment
  UCD63896  Desmazeria rigida Leo Koch 1940-5-19 964 Sonoma Backyard of Hattie Residence, 349 Second St., Santa Rosa. Comment
  RSA264775  Dicentra formosa subsp. formosa Peter Rubtzoff 1975-4-27 7950 Sonoma Forest Hills, 5.5 miles east of Guerneville. At 9981 Old River Road Comment
  CAS-BOT-BC209249  Dichanthelium acuminatum subsp. acuminatum R. Spellenberg 1964-6-15 402 Sonoma The Geysers, 17 mi. E. of Geyserville Comment
  CAS-BOT-BC221848  Dichanthelium acuminatum subsp. fasciculatum John Roos; Lucille Roos 1956-9-1 6598 Sonoma The Geysers Comment
  RSA126986  Dichanthelium acuminatum var. fasciculatum H. S. Yates 1936-5-6 5589 Sonoma two miles southeast of Forestville 30 Comment
  CAS-BOT-BC258920  Dichelostemma capitatum Peter Rubtzoff 1963-5-26 5145 Sonoma Bennett Mountain Lake Comment
  POM169356  Dichelostemma capitatum subsp. capitatum A. A. Heller, H. E. Brown 1902-3-14 5065 Sonoma Near Windsor Comment
  RSA130891  Dichondra donelliana E. K. Balls 1958-7-21 23584 Sonoma State Hwy. 1, 7.3 mi. se. from Fort Ross. 137 Comment
  UCD64005  Digitaria sanguinalis Collector Unknown 1941-11-1 Sonoma Santa Rosa Cr. by old S.P. R.R. Comment
  CAS-BOT-BC151376  Diplacus tricolor L. R. Abrams 1918-4-27 6901 Sonoma Santa Rosa Comment
  RSA0022415  Distichlis Peter Rubtzoff 1970-5-30 6234 Sonoma 5 mi. north of Sears Point. Comment
  UCD78109  Dittrichia graveolens Robert E. Preston 1999-11-9 1252 Sonoma Windsor, on NW corner of jct Old Redwood Hwy and Arata Lane. T8N R9W N edge of Sec 11 39 Comment
  JEPS76927  Dodecatheon hendersonii Robert M. Lloyd 1963-2-24 2051 Sonoma 3 mi ne Forestville (on road to US 101) Comment
  HSC17870  Dodecatheon hendersonii F. Demostene 1966-4-2 13 Sonoma 2 mi. E of Healdsburg Comment
  SJSU8499  Dodecatheon hendersonii T. A. Wayne III 1962-4-7 Sonoma midway between Bodega Bay & Salmon Cr 91 Comment
  CAS-BOT-BC154160  Downingia concolor var. concolor Peter Rubtzoff 1974-5-18 7439 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road. Comment
  JEPS19381  Downingia concolor var. concolor G. Thomas Robbins 1938-5-19 265 Sonoma sw of Santa Rosa (Stony Point Road, near The Lagunas) Comment
  UC1244024  Downingia concolor var. concolor John H. Weiler 1960-4-22 60102 Sonoma Schellville station, Southern Pacific Railroad 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
  JEPS29142  Downingia concolor var. concolor John H. Weiler 1961-4-30 6197 Sonoma 1.2 mi w Schellville railroad station (along State Highway 37) Comment
  UC1244020  Downingia concolor var. concolor John H. Weiler 1961-4-30 6197 Sonoma 1.2 mi w Schellville railroad station (along State Highway 37) Comment
  JEPS14401  Downingia pusilla W. L. Jepson 1921-5-6 9194 Sonoma Sonoma Valley Comment
  JEPS77863  Downingia pusilla Robert M. Lloyd 1965-5-8 2527 Sonoma 3 mi n Highway 12 junction with Aqua Caliente Road (along Highway 12, meadow across from Lawrence Triangle End Garage) Comment
  UC1019327  Downingia pusilla W. L. Jepson 1921-5-6 9194 Sonoma Sonoma Valley Comment
  CAS-BOT-BC401546  Drosera rotundifolia Peter Rubtzoff 1951-7-8 393 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  UCD113045  Drymocallis glandulosa Frederica Bowcutt 1994-6-12 1842 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Sonoma Creek near trailhead for Hillside trail. 381 Comment
  CAS-BOT-BC159446  Drymocallis glandulosa var. glandulosa Peter Rubtzoff 1953-5-18 1410 Sonoma Near road from Edendale to Vacation Beach, near Guerneville Comment
  CAS-BOT-BC159450  Drymocallis glandulosa var. glandulosa A. A. Heller; H. E. Brown 1902-4-11 5260 Sonoma Bodega Bay 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
  JEPS78860  Drymocallis glandulosa var. wrangelliana Edward Lee 1936-6-8 2221 Sonoma near entrance Bohemian Grove; near entrance Bohemian Grove Comment
  SEINET11620875  Dryopteris arguta F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -61 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  JEPS49908  Dudleya caespitosa W. L. Jepson 1923-6-23 10016 Sonoma Sonoma Canyon Kenwood Comment
  CAS-BOT-BC411378  Dudleya caespitosa Peter Rubtzoff 1952-6-10 1245 Sonoma Resort at E base of Fitch Mtn., near Healdsburg Comment
  SD95157  Dudleya cymosa Mark Cary 1971-4-22 45 Sonoma Canyon Road, 15 miles west of Geyserville. Comment
  SEINET12216915  Dudleya cymosa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -207 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 800 Comment
  CAS-BOT-BC428382  Dudleya farinosa Alice Eastwood 1915-6-29 4890 Sonoma Bodega Point Comment
  UCD98779  Dysphania chilensis H. S. Reed 1948-10-21 2025 Sonoma Sonoma Creek, near Kenwood. Comment
  UCD167956  Echinochloa James Neilson 1981-7-16 4048 Sonoma Mayacmas Mountains. Big Sulphur Cr. At bridge crossing road to Cloverdale. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC176366  Echinochloa crus-galli Peter Rubtzoff 1955-9-10 2139 Sonoma East Guernewood, near Guerneville. Comment
  UCD60890  Echinochloa crus-galli Harold Weinland 1923-10-13 Sonoma Near Bodega. 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-BC197222  Echinochloa crus-pavonis Walter Knight; Irja Knight 1963-10-3 353 Sonoma Bennett Valley Comment
  UCD61074  Echinochloa muricata P. B. Kennedy 1925-8-4 Sonoma Petaluma. Comment
  CAS-BOT-BC274415  Eleocharis Peter Rubtzoff 1970-8-18 6313 Sonoma 5 miles north of Sears Point. Comment
  SEINET11750917  Eleocharis acicularis C. F. Quibell 1976-1 1361 Sonoma N of Railroad Ave, W of US 101, Cristo fence route 30 Comment
  CAS-BOT-BC113735  Eleocharis acicularis var. gracilescens Peter Rubtzoff 1954-7-28 1595 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC113731  Eleocharis acicularis var. occidentalis Peter Rubtzoff 1951-7-28 551 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC113739  Eleocharis acicularis var. occidentalis Peter Rubtzoff 1951-7-21 499 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC112193  Eleocharis radicans Peter Rubtzoff 1951-7-14 418 Sonoma Pitkin Marsh, near Forestville: Northern half of Lower Marsh. Comment
  CAS-BOT-BC112198  Eleocharis radicans Peter Rubtzoff 1970-9-2 6353 Sonoma Russian River bottom at Mirabel Park Comment
  CAS-BOT-BC112206  Eleocharis radicans Peter Rubtzoff 1961-8-25 4722 Sonoma Forest Hills, east of Guerneville. Open, wet margin of Russian River. Comment
  CAS-BOT-BC112272  Eleocharis rostellata Peter Rubtzoff 1951-7-14 429 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  UCD166262  Elodea canadensis Peter Rubtzoff 1970-8-19 6336 Sonoma Austin Creek, 0.5 miles north of Cazadero. Comment
  UCD18405  Elymus condensatus William A. Harrey 1982-7-7 s.n. Sonoma 0.5 mi west of state Hwy 1, along Bean Ave. bordering Salmon Creek. Comment
  OBI35896  Elymus elymoides David J. Keil 1983-6-30 17211 Sonoma Stillwater Cove Regional Park Comment
  HSC9712  Elymus glaucus C. S. Chavez 1965-6-5 82 Sonoma 1 mi. N of Sebastopol on Guerneville Rd. Comment
  UCD61803  Elymus glaucus Beecher Crampton 1959-6-16 5377 Sonoma 1 mile E of Occidental. Comment
  JEPS45814  Elymus glaucus subsp. jepsonii Eleanor Armstrong 1932-5-25 176 Sonoma 2 mi s Graton 91 Comment
  JEPS78827  Elymus multisetus Edward Lee 1936-6-7 2193 Sonoma South ridge Bohemian Grove (fire trail) Comment
  UCD62509  Elymus multisetus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3577 Sonoma Corner of Wright Road and Rt. 12 in outskirts of Santa Rosa. Comment
  CAS-BOT-BC204307  Elymus trachycaulus subsp. trachycaulus G. DeNevers 1981-6-6 1454 Sonoma Pepperwood Ranch. At first Pepperwood entrance Comment
  CAS-BOT-BC262961  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1968-8-31 5946 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC262958  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-23 1977 Sonoma Forestville Marsh. Comment
  RSA800032  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1520 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  RSA800035  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1693 Sonoma Guerneville Marsh. Comment
  RSA800036  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1969-8-26 6150 Sonoma On River Road. 3 miles W of Fulton. Comment
  CAS-BOT-BC262965  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-7-29 1608 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC262974  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-7-29 1607 Sonoma Guerneville Marsh. Comment
  UC125546  Epilobium ciliatum subsp. watsonii Katharine Brandegee 1905-1 Sonoma Bodega Head Comment
  CAS-BOT-BC262787  Epilobium hallianum Peter Rubtzoff 1962-5-25 4843 Sonoma Atascadero Creek Marsh. Comment
  RSA94098  Epilobium hallianum J. T. Howell 1947-6-26 23290 Sonoma Cunningham Marsh. Comment
  UC429312  Epipactis gigantea Milo S. Baker 1898-1 Sonoma Santa Rosa Canyon Comment
  CAS-BOT-BC173545  Equisetum Peter Rubtzoff 1973-8-21 7254 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD165777  Equisetum Peter Rubtzoff 1973-8-29 7285 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC164072  Equisetum Peter Rubtzoff 1962-5-25 4846 Sonoma Atascadero Creek Marsh. Comment
  UCR255026  Equisetum hyemale subsp. affine Greg de Nevers 1993-5-16 10447 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  CAS-BOT-BC164652  Equisetum laevigatum Peter Rubtzoff 1961-8-26 4725 Sonoma Vacation Beach, near Guerneville. Comment
  UCD167955  Equisetum laevigatum James Neilson 1981-7-16 4052 Sonoma Mayacmas Mountains. On Big Sulphur Cr. 200 yards west of bridge of Cloverdale-Geysers Rd. About 6 miles west of Geysers Resort. (Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA784474  Equisetum laevigatum Peter Rubtzoff 1959-8-22 4230 Sonoma South Fork Eel River in Edward R. Hickey State Park. Comment
  UC1084510  Equisetum laevigatum G. Thomas Robbins 1937-6-18 249 Sonoma along R.R. right-of-way Santa Rosa Comment
  CAS-BOT-BC57654  Equisetum telmateia J. W. Congdon 1880-4-13 s.n. Sonoma Santa Rosa Road Comment
  UC750802  Equisetum telmateia subsp. braunii Charles B. Heiser Jr. 1946-4-14 1729 Sonoma 3 mi w Duncan Mills (banks of Russian River) Comment
  RSA309328  Equisetum telmateia var. braunii Edward Lee, W. A. Setchell 1936-6-7 2174 Sonoma Trail No. 10, Bohemian Grove. Comment
  CAS-BOT-BC312692  Eragrostis Peter Rubtzoff 1975-9-13 8381 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  UCR248775  Eragrostis Peter Rubtzoff 1965-8-16 5599 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  CAS-BOT-BC213571  Eragrostis hypnoides John Thomas Howell 1955-9-13 30913 Sonoma Sand bar of Russian River at Odd Fellows Park above Guerneville. Comment
  CAS-BOT-BC312702  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1973-8-20 7237 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC291253  Erechtites minimus John H. Thomas 1976-6-17 18351 Sonoma Near northern end of Sea Ranch, northwestern part of Sonoma County, about 4 miles south of Gualala Comment
  SD40106  Ericameria ericoides subsp. ericoides Edith A. Purer 1932-7-24 Sonoma Bodega Bay Comment
  CAS-BOT-BC293624  Erigeron biolettii Walter Knight; Irja Knight 1963-10-27 411 Sonoma Spring Mt. Road Comment
  RSA130887  Erigeron biolettii E. K. Balls 1958-7-21 23585 Sonoma Highway 12, 0.5 mile NE from junction with Hwy. 1 at Bridgehaven, along Russian River 30 Comment
Read comments
Jun 7 2019
  RSA94309  Erigeron philadelphicus Peter Rubtzoff 1951-6-9 185 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC300251  Erigeron reductus var. angustatus Roger Raiche 1985-6-30 50565 Sonoma Unnamed ridge on west side of Dry Creek Valley, north of Crane Creek, and south of Bradford Mt. Comment
  CAS-BOT-BC300304  Erigeron supplex Mary P. Wells 1984-6-8 338 Sonoma Site of North Fire station area. Near Milepost 55.44 on Hwy. 1. The Sea Ranch Comment
  OBI39519  Eriodictyon californicum F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-16 84 -075 Sonoma ca. 4 mi NNW of Sonoma on Caveldale rd from jctn with CA hwy 12; ca. 0.4 mi N on Cavedale rd from jctn 107 Comment
  UC1124285  Eriodictyon californicum E. Armstrong 1934-3-26 924 Sonoma 3 mi w Camp Meeker; Sebastopol Quadrangle Comment
  UCD160838  Eriogonum dasyanthemum James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3483 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC250013  Eriogonum fasciculatum var. foliolosum Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road near the Warm Springs Dam Overlook Comment
  CAS-BOT-BC259256  Eriogonum latifolium John Thomas Howell 1930-7-27 5413 Sonoma 4 miles north of Bodega Bay Comment
  CAS-BOT-BC259262  Eriogonum latifolium P. A. Munz 1936-8-7 14305 Sonoma 2 mi. north of Bodega Comment
  RSA766132  Eriogonum latifolium J. T. Howell 1930-6-8 5257 Sonoma 1 mile east of Bodega Bay Comment
  UC1084471  Eriogonum latifolium G. Thomas Robbins 1937-6-6 236 Sonoma along roadside near Bodega Bay Comment
  POM258435  Eriogonum latifolium C. L. Hitchcock, J. S. Martin 1939-7-15 5444 Sonoma Cliffs below Bodega State Park Comment
  CAS-BOT-BC259484  Eriogonum luteolum John Thomas Howell 1931-9-26 8091 Sonoma 2 miles from Monte Rio on road to Camp Meeker Comment
  CDA13784  Eriogonum luteolum var. luteolum G. F. Hrusa, G. L. Stebbins, B. J. McCaskill 1993-9-14 11421 Sonoma 3 mi. W of Occidental along Coleman Valley Rd. 304 Comment
  CAS-BOT-BC270976  Eriogonum nervulosum Roger Raiche 1985-8-10 50716 Sonoma The Cedars, N. of Cazadero, headwaters Big Austin and East Austin Creeks, Layton mine site 371 Comment
  UC1478045  Eriogonum nervulosum Charlie Patterson Jun 16 1980-Jun 17 1980 Sonoma ca. 1 1/2 mi e Socrates Mine (near Lake Co. line) Comment
  RSA221  Eriogonum nudum var. auriculatum E. R. Johnson 1928-8-22 1112 Sonoma Cloverdale Comment
  POM165167  Eriogonum nudum var. nudum A. A. Heller 1902-7-8 5814 Sonoma Between Healdsburg and Geyserville Comment
  RSA222  Eriogonum nudum var. nudum E. R. Johnson 1928-8-22 1107 Sonoma Russian River, 1/2 mile E of Cloverdale Comment
  CAS-BOT-BC269748  Eriogonum nudum var. oblongifolium J. W. Congdon 1880-9-1 s.n. Sonoma Petaluma Comment
  SEINET6793133 Image available Eriogonum vimineum Sally Walker 1983-7-18 s.n. Sonoma 3 miles southwest of Occidental Comment
  UCD131466  Eriophyllum confertiflorum var. confertiflorum Frederica Bowcutt 1994-6-25 1919 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/4 mi. from Gray Pine Trail. 670 Comment
  CAS-BOT-BC301157  Eriophyllum lanatum var. achilleoides Roxana S. Ferris; Laura Lorraine 1961-6-14 13524 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  CDA5240  Eriophyllum lanatum var. achilleoides T. C. Fuller 1958-5-24 4000 Sonoma Vinehill District. 0 Comment
  UC494084  Eriophyllum lanatum var. achilleoides H. E. and S. T. Parks 1930-5-10 0 -837 Sonoma Knights Valley Comment
  CDA4966  Eriophyllum lanatum var. achilleoides T. C. Fuller 1960-6-14 4487 Sonoma Italian Swiss Colony, Asti. 0 Comment
  UC90254  Eriophyllum lanatum var. achilleoides T. S. Brandegee July 1893 Sonoma Russian River Comment
Read comments
Jan 10 2016
  CAS-BOT-BC301276  Eriophyllum lanatum var. arachnoideum Lewis S. Rose 1933-9-3 33354 Sonoma 2 miles w. of Petrified Forest Comment
  JEPS34642  Eriophyllum lanatum var. arachnoideum M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 250 Sonoma between Gurneville and Monte Rio; Russian River Comment
  SD40135  Eriophyllum staechadifolium Edith A. Purer 1932-7-16 4034 Sonoma Bodega Bay Comment
  UCD132259  Eriophyllum staechadifolium Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 36 A Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. 0 Comment
  UCD38478  Eriophyllum staechadifolium Beecher Crampton 1955-6-17 2972 Sonoma State Hwy. 1, 4 miles south of Fort Ross. Bluffs above the sea. Comment
  UCD103082  Erodium botrys Robert F. Thorne 1965-4-19 34265 Sonoma Cotati, Waters Ranch. Comment
  JEPS117128  Erodium moschatum Peter Warner 2010-3-29 124 Sonoma 1670 Bloomfield Road, approx. 3 km S of center Sebastopol, throughout property. Comment
  CDA28602  Eryngium aristulatum G. F. Hrusa, A. Buckmann (DFG) 1996-10-5 13582 C Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Comment
  UC1487265  Eryngium aristulatum var. aristulatum Yusuf Sheikh and Peter Rubtzoff 1971-7-20 501 Sonoma on Bennett Valley Rd. 4.5 mi. w. Glen Ellen Comment
  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
  JEPS17450  Eryngium armatum W. L. Jepson 1921-6-3 9309 Sonoma s. Sonoma Co., Cotati Valley, Wilfred Sta. 27 Comment
  JEPS84389  Eryngium armatum Roger Raiche 1989-6-4 90151 Sonoma n. Healdsburg (between Simi winery and the dump) Comment
  JEPS84390  Eryngium armatum Roger Raiche 1989-6-4 90154 Sonoma n. Healdsburg (between Simi (site of winery) and the dump) Comment
  POM132678  Eryngium armatum A. D. E. Elmer 1903-07 4776 Sonoma Petaluma. Comment
  UC20997  Eryngium armatum J. W. Congdon July 1888 Sonoma Petaluma Comment
  CAS-BOT-BC153626  Erythranthe inodora Peter Rubtzoff 1960-6-11 4503 Sonoma Laguna de Santa Rosa area east of Graton (betw. Occidental and Guerneville roads) Comment
  SEINET8255128  Erythranthe microphylla Unknown 1940-5-21 25883 Sonoma Route 28. 183 Comment
  SEINET8370236  Erythranthe microphylla Robert F. Thorne 1965-4-19 34286 Sonoma near county dump on Stoetz Road off of Harrison Grade ca. 2 miles nne of Occidental. 183 Comment
  SD254492  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. 99 Comment
  POM266133  Erythronium helenae Elmer I. Applegate 1934-3-25 s.n. Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 610 Comment
  SEINET12049789  Erythronium helenae F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -199 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 800 Comment
  CAS-BOT-BC402862  Eschscholzia caespitosa W. R. Ernst 1959-5-3 543 Sonoma About 1 mile southeast of Rionido Comment
  SEINET6911603  Eschscholzia caespitosa W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Weedy grassland about 7.8 miles south-southeast of Annapolis; northwest Sonoma county. 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
  UC635613  Eschscholzia californica H. L. Mason 1930-6-1 5654 Sonoma Gualala River; mouth Comment
  UCD158788  Eschscholzia californica James A. Neilson Jr. 1974-6-1 2882 Sonoma Mayacmas Mountains, Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  RSA135386  Euonymus occidentalis Volney Rattan 1877-6-14 s.n. Sonoma Healdsburg. Comment
  JEPS9606  Euonymus occidentalis var. occidentalis Miss Mabel White Sonoma Russian R., Camp Meeker Comment
  UC635624  Euonymus occidentalis var. occidentalis H. L. Mason 1925-11-26 2497 Sonoma stream bank near Monte Rio Comment
  CAS-BOT-BC294704  Euphorbia Peter Rubtzoff 1969-8-29 6180 Sonoma Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road. Comment
  UCD142421  Euphorbia lathyris C. B. Heiser; D. Heiser 1946-4-14 s.n. Sonoma Bodega Bay. Comment
  UCD142412  Euphorbia oblongata Thomas C. Fuller 1985-5-31 20430 Sonoma East side of Arnold Drive; Hwy 116; just north of culvert no. 45.19; ca. 7 km. south of El Verano. Comment
  UCR248751  Euphorbia polycarpa Peter Rubtzoff 1987-10-17 9878 Sonoma Along Highway 116 c. 0.3 mi. SE of Forestville 37 Comment
  SEINET11842305  Euryops pectinatus W. Knight, Knight, I.; Knight, T. 1984-1 5035 Sonoma Petaluma, K-Mart Comment
  UCR248731  Festuca arundinacea Peter Rubtzoff 1962-5-11 4823 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  CAS-BOT-BC283193  Festuca californica subsp. californica Mary P. Wells 1984-5-24 276 Sonoma Annadel State Park, Santa Rosa Comment
  CAS-BOT-BC278393  Festuca elmeri Greg de Nevers 1987-6-1 8187 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  UC1023603  Festuca elmeri Mary Focht 1935-5-31 75 Sonoma Mark West Road Comment
  UC38546  Festuca idahoensis F. T. Bioletti 1893-6-10 103 Sonoma Hood's Peak Comment
  UC766905  Festuca occidentalis R. F. Hoover 1941-5-14 5094 Sonoma sw of Occidental (near Joy District School) Comment
  UCD66126  Festuca occidentalis P. B. Kennedy 1915-5-31 s.n. Sonoma Stewart point - Annapolis road. Comment
  CAS-BOT-BC278887  Festuca occidentalis Milo S. Baker 1945-5-1 10893 Sonoma Santa Rosa Cr. Canyon, south slope Comment
  UCD66269  Festuca roemeri P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  CAS-BOT-BC279078  Festuca rubra Peter Rubtzoff 1951-9-15 758 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  UCD66500  Festuca subuliflora B. Crampton 1955-6-17 2961 Sonoma 2 miles east of Fort Ross. Comment
  UCD126866  Foeniculum vulgare Frederica Bowcutt 1996-5-19 2129 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon, about 1/8 air mile NE of Red Mtn. 701 Comment
  UCD113202  Fragaria chiloensis R. H. Miller 1949-4-6 25 Sonoma Coast Route 1, approximately 5 miles south of Jenner. Comment
  CAS-BOT-BC53268  Frangula californica subsp. californica A. A. Heller 1902-7-8 5816 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC53282  Frangula californica subsp. californica Mrs. E. C. Sutliffe 1920-8-1 s.n. Sonoma Annapolis Comment
  SEINET12335290  Fraxinus dipetala F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -255 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC217875  Fraxinus latifolia Greg de Nevers 1981-4-11 711 Sonoma Creek in grazed pastrue 100 yard up-stream of Green Gate, Pepperwood Ranch Comment
  UCD122049  Fraxinus latifolia Frederica Bowcutt 1997-7-18 2178 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  CAS-BOT-BC130183  Fritillaria affinis J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma Comment
  UC429298  Fritillaria affinis J. Burtt Davy 1896-3-16 1682 Sonoma Cazadero Comment
  RSA177995  Fritillaria affinis Robert F. Thorne 1965-4-19 34296 Sonoma W of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  UC72276  Fritillaria affinis Milo S. Baker 1898-3-19 722 Sonoma near Santa Rosa (Happy Valley); Happy Valley Comment
  JEPS83496  Fritillaria liliacea Jack and Betty Guggolz 1986-3-16 859 Sonoma California Comment
  UCD112402  Galium Christopher Mallek 2008-5-2 HC2- 11 Sonoma Hooker Canyon. 590 Comment
  UCD121623  Galium aparine Erik Beever 1993-5-8 222 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. 365 Comment
  CDA30960  Galium bolanderi D. G. Kelch, Troy McGregor 2010-8-22 10 .358 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  UCD121744  Galium californicum J. M. Tucker 1951-6-26 2141 Sonoma Near summit of range, road from Glen Ellen to Oakville. Comment
  JEPS52861  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3900 Sonoma 3.8 mi n Occidental Comment
  SBBG28783  Galium californicum subsp. californicum J. T. Howell 1930-7-27 5406 Sonoma 1 mi N of Fort Ross Comment
  JEPS6686  Galium californicum subsp. californicum M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma near Guerneville; Russian River Comment
  UC963917  Galium divaricatum Milo S. Baker 1947-5-12 11768 Sonoma along horse trail from Gray Ranch (sw slope of mt.); Hood Mt. 441 Comment
  UCD160758  Galium nuttallii James A. Neilson Jr. 1975-5-23 3219 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  SEINET12515257  Galium parisiense var. leiocarpum Micheuer, Bioletti 1892-7-1 s.n. Sonoma Hoods Creek. Comment
  JEPS128270  Galium porrigens var. porrigens Roger Raiche 2000-4-8 023 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD121910  Galium porrigens var. tenue Adam Green 1994-5-1 1752 d Sonoma Sugar Loaf Ridge State Park. About 50 air miles N of San Francisco; about 10 miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trail about 1/8 mile from trail head on Adobe Canyon Road. 213 Comment
  RSA264751  Galium trifidum Peter Rubtzoff 1958-7-5 3746 Sonoma Atascadero Creek Marsh. Comment
  SJSU6050  Galium trifidum subsp. columbianum C. W. Sharsmith 1972-6-24 7798 Sonoma Forestville Marsh c. 0.5 mi E of Forestville & NW of Sebastopol Comment
  JEPS20521  Gamochaeta ustulata M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 231 Sonoma Guerneville Russian River, Guerneville Comment
  CAS-BOT-BC303503  Gamochaeta ustulata Peter Rubtzoff 1951-6-30 303 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC199068  Garrya elliptica Greg de Nevers 1987-7-10 8238 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS128192  Garrya elliptica Roger Raiche 1999-12-25 055 .99 Sonoma The Cedars. Laton Camp. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET12137327  Garrya fremontii W. Knight, Knight, I. 1981-1 3988 Sonoma 5.6 mi up Cavedale Rd at summit from jct of state route #12 Comment
  CAS-BOT-BC278691  Gastridium phleoides Peter Rubtzoff 1956-9-14 2866 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC278695  Gastridium phleoides J. W. Congdon 1880-8-22 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC278686  Gastridium phleoides G. DeNevers 1981-5-15 1203 Sonoma Pepperwood Ranch. Shore of Hansel's Lake Comment
  UC971691  Gastridium ventricosum Leo Koch 1940-4-22 837 Sonoma above Sulfur Creek Geysers; above Sulfur Creek Geysers Comment
  UCR248772  Gastridium ventricosum Peter Rubtzoff 1971-7-9 6599 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  HSC14656  Genista monspessulana S. N. Wiemeyer 1962-4-20 18 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UC932032  Gilia capitata subsp. capitata Verne Grant, Alva Grant 1947-5-4 7960 Sonoma Rincon grade 4 mi nw Santa Rosa (on road to petrified forest); nw of Santa Rosa on road to petrified forest Comment
  CAS-BOT-BC225282  Gilia capitata subsp. chamissonis Roxana S. Ferris 1932-5-27 8259 Sonoma Sand dunes, upper Bodega Bay Comment
  JEPS30830  Gilia capitata subsp. chamissonis Rimo Bacigalupi and L. R. Heckard 1962-6-19 8586 Sonoma 1/4 mi se Horseshoe Cove (at northeastern base of low hills forming Bodega Head proper); ne base of low hills Bodega Head, se of Horseshoe Cove 12 Comment
  RSA178597  Gilia capitata subsp. chamissonis Roxana S. Ferris 1932-5-27 8259 Sonoma Upper Bodega Bay Comment
  UCD160144  Gilia tricolor James A. Neilson Jr. 1974-4-16 2871 Sonoma Mayacmas Mountains. Sulphur bank number 13. (Elevation estimated using Google Earth by label maker.) 487 Comment
  UCD166998  Githopsis diffusa subsp. robusta James A. Neilson Jr. 1984-5-30 s.n. Sonoma Mayacamas Mountains, Wildhorse, Caldwell Pines (Exact location unknown, coordinates estimated by label maker. Georeferenced near Wildhorse Cr., Neilson collection from 1975 are from Wildhorse #1 in the Caldwell Pines area.) Comment
  SEINET3821488  Glebionis segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  CAS-BOT-BC303749  Glebionis segetum Lewis S. Rose 1933-5-9 33154 Sonoma Bodega Bay Comment
  CAS-BOT-BC227639  Glyceria Peter Rubtzoff 1966-5-7 5707 Sonoma North side of Hessel Road, just west of Hwy. 116. Comment
  CAS-BOT-BC227650  Glyceria Peter Rubtzoff 1971-7-3 6588 Sonoma West side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC227664  Glyceria Peter Rubtzoff 1964-5-30 5324 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa. Comment
  CAS-BOT-BC282822  Glyceria X occidentalis Greg de Nevers 1992-6-16 10161 Sonoma Weimar Pond, 3450 Franz Valley RoadPepperwood Ranch Natural Preserve 304 Comment
  CAS-BOT-BC282731  Glyceria elata Peter Rubtzoff 1962-5-25 4842 Sonoma Laguna de Santa Rosa area northeast of Graton east of Laguna Road Comment
  UCD66790  Glyceria occidentalis Robert F. Thorne 1965-4-19 34293 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 182 Comment
  RSA94014  Glyceria striata Peter Rubtzoff 1951-6-9 160 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. 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
  UCD166104  Gnaphalium Peter Rubtzoff 1971-9-3 6697 Sonoma Spring Creek Reservoir Area. Comment
  CAS-BOT-BC166703  Gnaphalium chilense Peter Rubtzoff 1962-9-9 5081 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC166779  Gnaphalium chilense Peter Rubtzoff 1955-8-20 2061 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC166906  Gnaphalium chilense Peter Rubtzoff 1962-10-23 5125 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  POM232045  Gnaphalium chilense Roxana S. Ferris 1937-8-18 9375 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  UCR244747  Gnaphalium luteoalbum Peter Rubtzoff 1968-8-18 5931 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC302694  Gnaphalium palustre Peter Rubtzoff 1958-9-6 3984 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC166708  Gnaphalium purpureum Peter Rubtzoff 1962-6-19 4923 Sonoma Occidental Marsh. Comment
  UCD166459  Gratiola ebracteata Peter Rubtzoff 1955-7-30 1992 Sonoma Bennett Mountain Lake. Comment
  UC1784138  Grindelia hirsutula Ethel Crum 1930-1 735 Sonoma Petaluma Comment
  CAS-BOT-BC305194  Grindelia hirsutula Milo S. Baker 1946-7-30 11542 Sonoma Eastern margin of Laguna. Upland. Along Occidental Rd. near bridge Comment
  UCR37762  Grindelia stricta A. C. Sanders 1985-1-19 5373 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  POM225966  Grindelia stricta var. platyphylla P. A. Munz 1936-8-7 14306 Sonoma 2 miles north of Bodega. Comment
Read comments
Feb 6 2013
  UC74946  Guillenia lasiophylla unknown 1903-4-20 2629 Sonoma Mt. Helena Comment
  CAS-BOT-BC371464  Habenaria Greg de Nevers 1989-9-10 9103 Sonoma Field redacted by CAS, contact the data manager for more information 400 Comment
  HSC94161  Hainardia cylindrica Gordon Leppig 2000-5-6 1345 Sonoma Austin Creek Trail. 177 Comment
  SEINET11839687  Haplopappus arborescens W. Knight, Knight, I. 1981-1 3961 Sonoma 2.3 mi up Cavedale Rd from jct of Hwy 12 Comment
  CAS-BOT-BC306328  Hedypnois cretica John Thomas Howell 1931-4-18 6423 Sonoma At mouth of Salmon Creek, 2 miles n. of Bay Comment
  CAS-BOT-BC306323  Hedypnois cretica G. DeNevers 1981-4-23 785 Sonoma Pepperwood Ranch. Pippindale farm Comment
  CAS-BOT-BC309580  Helenium puberulum Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  CAS-BOT-BC262953  Helenium puberulum Peter Rubtzoff 1959-9-12 4260 Sonoma Willow Creek Marsh. Comment
  UCSB15465  Helenium puberulum Breedlove, Dennis 1961-12-31 Sonoma At S side of mouth of Russian River 6 Comment
  CDA31289  Helianthella californica D. G. Kelch, Ed Biffin 2010-5-3 10 .201 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  SEINET11842884  Helianthella californica W. Knight, Knight, I.; Edwards, S. 1986-1 5345 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Rd 853 Comment
  UC754291  Helianthus bolanderi R. Bacigalupi 1948-3-6 2853 Sonoma The Geysers, just above the resort. Comment
  CAS-BOT-BC258388  Hemizonia Peter Rubtzoff 1973-8-27 7260 Sonoma Upper Green Valley Marsh area. Comment
  UCD166266  Hemizonia Peter Rubtzoff 1970-9-3 6379 Sonoma Marsh off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek. Comment
  UCD166302  Hemizonia Peter Rubtzoff 1966-8-18 5791 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. 17 Comment
  RSA796177  Hemizonia Peter Rubtzoff 1966-8-25 5804 Sonoma Marshes: Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  RSA800071  Hemizonia Peter Rubtzoff 1971-7-23 6619 Sonoma Laguna, Chileno Valley. Comment
  UCD166305  Hemizonia Peter Rubtzoff 1966-8-25 5803 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  UCD166306  Hemizonia Peter Rubtzoff 1966-8-25 5804 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC371471  Hemizonia congesta Greg de Nevers 1993-8-7 10483 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa near barn 400 Comment
  UC89028  Hemizonia congesta Mrs. K. Curran 1888-6-1 Sonoma Verano Comment
  UCD168048  Hemizonia congesta James Neilson 1981-7-1 4043 Sonoma Mayacmas Mountains, entrance to Unit 15. (Exact location unknown. Coordinates estimated by label maker. Unit 15 is PG and E Power Plant 15 (retired).) Comment
  CAS-BOT-BC306223  Hemizonia congesta subsp. congesta John Thomas Howell 1930-6-8 5216 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CAS-BOT-BC306228  Hemizonia congesta subsp. congesta Peter Rubtzoff 1951-7-21 502 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower marshes Comment
  CAS-BOT-BC306234  Hemizonia congesta subsp. congesta A. A. Heller 1902-6-4 5637 Sonoma Santa Rosa Comment
  UC897705  Hemizonia congesta subsp. congesta A. A. Heller 1902-6-4 5637 Sonoma Santa Rosa Comment
  CAS-BOT-BC309686  Hemizonia congesta subsp. lutescens W. R. Dudley 1896-9-22 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC309691  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station, between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC309699  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station, between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC309724  Hemizonia congesta subsp. lutescens J. Clausen 1935-5-24 1085 Sonoma 5.1 miles south of Jenner, on the Bodega road Comment
  JEPS41001  Hemizonia congesta subsp. lutescens Lewis S. Rose 1964-8-26 64067 Sonoma 5 mi ne Penngrove 243 Comment
  JEPS86755  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1990-4-30 1038 Sonoma n side intersection of Occidental Road and Facindini Lane Comment
  JEPS86756  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1990-6-16 1063 Sonoma n side intersection of Occidental Road and Facindini Lane Comment
  UC1392842  Hemizonia congesta subsp. lutescens R. F. Hoover 1969-8-31 11567 Sonoma near Petaluma; Adobe Road and Casa Grande Road Comment
  CAS-BOT-BC309695  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-10 717 Sonoma About a mi. W of Santa Rosa on road to Fulton Comment
  CAS-BOT-BC309701  Hemizonia congesta subsp. lutescens James McMurphy 1908-9-27 s.n. Sonoma Between Fulton and Sebastopol Comment
  CAS-BOT-BC309705  Hemizonia congesta subsp. lutescens Catherine Best 1981-8-22 s.n. Sonoma Morelli Lane about 2 miles northeast of Occidental Comment
  CAS-BOT-BC309709  Hemizonia congesta subsp. lutescens James McMurphy 1908-9-27 s.n. Sonoma Between Fulton and Sebastopol Comment
  CAS-BOT-BC309733  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-1 5718 Sonoma Halfway up Meeker Grade Comment
  UC897703  Hemizonia congesta subsp. lutescens Milo S. Baker 5718 Sonoma Comment
  UCD132990  Hemizonia congesta subsp. lutescens Lewis S. Rose 1964-8-26 64067 Sonoma 5 miles northeast of Penngrove. 243 Comment
  CAS-BOT-BC309945  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 miles ne. of Penngrove 426 Comment
  CAS-BOT-BC309949  Hemizonia congesta subsp. luzulifolia Joseph P. Tracy 1930-9-1 9173 Sonoma North Coast Ranges. Knight's Valley Comment
  HSC5815  Hemizonia congesta subsp. luzulifolia L. S. Rose 1964-8-26 64064 Sonoma 6.5 mi. NE of Penngrove 427 Comment
  JEPS119428  Hemizonia congesta subsp. luzulifolia Anne Howald 2011-8-28 2807 Sonoma North Coast Ranges, Sonoma Valley, Felder Creek drainage, west side of Macabee Rd., 0.2 mi. north of Felder Rd., west of Arnold Dr. Comment
  JEPS119429  Hemizonia congesta subsp. luzulifolia Anne Howald 2011-8-28 2806 Sonoma North Coast Ranges, Sonoma Valley, Glen Ellen area, entrance road to Sonoma Valley Regional Park, 0.1 mi. west of Hwy 12 Comment
  CAS-BOT-BC309941  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2731 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  POM215135  Hemizonia fitchii D. D. Keck 1933-11-10 2726 Sonoma 1 mile E of Shellville. Comment
  RSA159434  Hemizonia lutescens James I. McMurphy 1909-8-8 701 -C Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  RSA81567  Hemizonia lutescens James I. McMurphy 1909-8-9 714 -B Sonoma 4.5 miles S of Santa Rosa. Comment
  RSA81666  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-5-29 s.n. Sonoma Summit between Geyserville and The Geysers. Comment
  UCD126870  Heracleum maximum Frederica Bowcutt 1994-5-21 1826 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. Along meadow trail approx. 3/4 mile from trailhead. 396 Comment
  CAS-BOT-BC310186  Hesperevax sparsiflora var. brevifolia John H. Thomas 1976-6-15 18266 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  SD40684  Hesperocyparis macnabiana Carl B. Wolf, E. R. Johnson 1934-10-18 Sonoma Head of Hooker Canyon, 4.7 miles east of Sonoma-Kenwood Road 550 Comment
  HSC1230  Hesperocyparis sargentii L. S. Rose 1969-8-17 69096 Sonoma 4 mi. NE of Occidental, Harrison Grade 244 Comment
  UCD110539  Hesperolinon micranthum Roxana S. Ferris; Laura Lorraine 1961-6-15 13560 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road. Comment
  UC1212381  Hesperolinon spergulinum Helen K. Sharsmith 1947-5-30 4104 Sonoma ca 1 mi beyond origin of Pine Flat road from Alexander Valley (canyon of Saysal Creek); Inner North Coast Ranges, Mayacamas Range, Saysal Creek 182 Comment
  UC762262  Hesperolinon spergulinum R. F. Hoover 1942-7-6 5913 Sonoma ridge s The Geysers Comment
  RSA264760  Heterocodon rariflorum Peter Rubtzoff 1963-5-26 5133 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC149836  Heteromeles arbutifolia A. A. Heller 1902-7-8 5815 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC311060  Heterotheca oregona var. oregona Volney Rattan 1877-6-13 s.n. Sonoma Guerneville Comment
  UC31133  Heterotheca oregona var. rudis F. T. Bioletti 1891-9-7 Sonoma Comment
  CAS-BOT-BC311221  Heterotheca sessiliflora subsp. echioides Peter Rubtzoff 1975-8-16 8329 Sonoma Annadel State Park. Near trail between Bennett Mtn. Lake and Bennett Ridge Road (south of Bennett Mtn. Lake) 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
  CAS-BOT-BC420945  Heuchera micrantha var. diversifolia G. DeNevers 1981-6-6 1464 A Sonoma Pepper wood Ranch. Woodland on N slope of Telegraph Hill Comment
  UC858049  Heuchera pilosissima M. V. Ott 1934-3-31 79 Sonoma Larkspur Hill, 3 mi w Bodega (near the coast) Comment
  UCSC000335  Heuchera pilosissima H. S. Yates 1934-3-21 3790 Sonoma near Bodega - Sebastopol 61 Comment
  RSA0063008  Heuchera pilosissima Ella Dales Cantelow 1938-5-7 2402 Sonoma 4.5 miles W of Bodega. Comment
  SBBG2695  Heuchera pilosissima H. and M. Dearing 1939-5-14 3368 Sonoma N of Fort Ross 91 Comment
  UCD102628  Heuchera pilosissima Steve Clendenning 1973-5-12 105 Sonoma State Hwy 1, 4 miles east of Bodega Bay. 3 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
  SEINET12155809  Hoita macrostachya J. P. Tracy 1951-1 19628 Sonoma Alexander Valley 5miE of Geyserville Comment
  CAS-BOT-BC280786  Holcus lanatus G. DeNevers 1981-5-30 1364 Sonoma Pepperwood Ranch. Shore of Pippindale Pond Comment
  CAS-BOT-BC280791  Holcus lanatus A. A. Heller 1902-6-7 5651 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC280795  Holcus lanatus Peter Rubtzoff 1951-6-16 244 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC280799  Holcus lanatus John H. Thomas 1976-6-16 18337 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  JEPS97538  Holcus lanatus R. D. Stone 1980-11-28 321 Sonoma the Sea Ranch; Annapolis Road area just below and west of landing strip Comment
  UCD84981  Holcus lanatus H. S. Yates 1937-5-30 6538 Sonoma 1.5 miles NNE of Graton. 30 Comment
  HSC89935  Holcus lanatus Delzie Demaree 1955-6-12 36964 Sonoma Bottoms in Westminster Woods. Comment
  CAS-BOT-BC164689  Holocarpha Peter Rubtzoff 1963-8-24 5245 Sonoma 2.5 miles north of Sebastopol Comment
  UC990598  Holocarpha virgata subsp. virgata James I. McMurphy 1906-7-17 Sonoma Fulton Comment
  RSA81670  Holocarpha virgata subsp. virgata James I. McMurphy 1906-7-17 s.n. Sonoma Fulton. Comment
  UC75509  Holodiscus discolor Milo S. Baker 1898-6-11 677 Sonoma Geyser Canyon Comment
  CAS-BOT-BC152390  Holodiscus discolor var. discolor James Jokerst 1985-5-29 2390 Sonoma Near Cobb Mountain, Whispering Pines Quad. 1126 Comment
  CAS-BOT-BC166739  Holozonia filipes Peter Rubtzoff 1961-7-22 4661 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC315813  Holozonia filipes A. A. Heller 1902-7-1 5800 Sonoma Lagoon at Sebastopol Comment
  UC990581  Holozonia filipes James I. McMurphy 1909-8-18 704 Sonoma Kenwood Comment
  HSC90904  Holozonia filipes Rimo Bacigalupi, Peter Rubtzoff 1976-8-6 Sonoma Knights Valley; off S side of Bavarian Lion Company ranch road (between it and a creek), 1-1.5 mi. W of its junction with Franz Vally Rd. (0.4 mi. S of Hwy. 128) Comment
  UCD85387  Hordeum brachyantherum P. B. Kennedy Date Unknown s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC289294  Hordeum brachyantherum subsp. brachyantherum G. DeNevers 1981-5-12 1139 Sonoma At the Red Corral, old McCann Homestead, Pepperwood Ranch Comment
  UC53612  Hordeum brachyantherum subsp. brachyantherum J. Burtt Davy 1897-9-18 4036 Sonoma Petaluma Comment
  CAS-BOT-BC285193  Hordeum marinum subsp. gussoneanum Peter Rubtzoff 1955-5-21 1865 Sonoma Forestville Marsh Comment
  POM180622  Horkelia californica J. T. Howell 1930-6-8 5279 Sonoma Hillside overlooking the ocean, 8 miles N of Bodega Bay Comment
  RSA611288  Horkelia californica Joseph A. Ewan 1935-5-12 9198 Sonoma 2 miles west of Bodega, on Bodega Bay Road Comment
  JEPS21577  Horkelia tenuiloba Lauramay T. Dempster 1958-5-24 1106 Sonoma along road Vine Hill district Comment
  UC525518  Horkelia tenuiloba Ethel Crum 1931-5-8 1091 Sonoma near Sebastopol 60 Comment
  UC70428  Horkelia tenuiloba Milo S. Baker may 1899 Sonoma near the Laguna (Forest Hill Rd); Forestville Comment
  UCD106011  Hosackia gracilis Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-7-5 126 Sonoma Unit 35-C Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD106191  Hosackia stipularis P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar Ranch. Comment
  JEPS117115  Humulus lupulus Peter Warner 2010-7-29 172 Sonoma State Hwy. 116, at 21.31 mark, ~ 2.53 km, E 143 deg. S of Forestville, in marshy area along W side of highway. Comment
  CAS-BOT-BC400996  Hypericum anagalloides Peter Rubtzoff 1951-6-16 226 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC401002  Hypericum anagalloides Peter Rubtzoff 1961-10-18 4764 Sonoma Cunningham Marsh Comment
  SEINET11993496  Hypericum perforatum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -154 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 80 Comment
  JEPS36533  Hypochaeris glabra M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma Guerneville; Russian River Comment
  CAS-BOT-BC316676  Hypochaeris glabra Peter Rubtzoff 1965-8-29 5628 Sonoma Russian River bottom at Forest Hills 5.5 miles east of Guerneville Comment
  RSA0009747  Hypochaeris glabra Marcus E. Jones 1931-7-5 29093 Sonoma West of Cloverdale. Comment
  CAS-BOT-BC316710  Hypochaeris radicata Greg de Nevers 1981-5-23 1302 Sonoma Top of Devils Kitchen Hill, Pepperwood Ranch Comment
  UCD133467  Hypochaeris radicata Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-25 173 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC917229  Iris douglasiana C. B. Heiser Jr. 1946-4-13 1720 Sonoma between Jenner and Duncan's Mills Comment
  POM168822  Iris douglasiana A. A. Heller, H. E. Brown 1902-3-29 5182 Sonoma Bodega Bay Comment
  UCD138714  Iris douglasiana Nicholas Foulder 1982-5-22 49 Sonoma 2 miles south Campmeeke on Highway 4 (Bohemian). Comment
  UC623307  Iris fernaldii H. L. Mason 1939-5-18 12100 Sonoma 5 mi w Petrified Comment
  CDA39598  Iris macrosiphon R. Marsh 1961-3-23 s.n. Sonoma 300 Trinity Road, Glen Ellen. 0 Comment
  HSC13861  Iris macrosiphon F. Deemostene 1966-4-3 15 Sonoma 2 mi. E of Healdsburg 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
  RSA135849  Iris purdyi E. K. Balls, Lee W. Lenz 1951-5-10 16538 Sonoma 0.7 miles south of Mendocino-Sonoma County line on Highway 28 Comment
  CAS-BOT-BC376280  Iris xiphium Greg de Nevers No date on label 10726 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC173541  Isoetes Peter Rubtzoff 1969-5-24 6053 Sonoma Vernal pool 6.5 miles northeast of Penngrove, on Lichan Road 426 Comment
  CAS-BOT-BC112414  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh near Forestville: Lower part of the Upper Marsh. Comment
  SEINET11750612  Isolepis carinata H. K. Wagnon 1989-1 1871 Sonoma Ocean Bluff, Salt Pt. State Park 0 Comment
  CAS-BOT-BC112568  Isolepis cernua Peter Rubtzoff 1954-8-3 1635 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC112570  Isolepis cernua Peter Rubtzoff 1955-7-31 2015 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC112563  Isolepis cernua John Thomas Howell 1930-6-8 s.n. Sonoma Salt Marsh at N end of Bodega Bay Comment
  UCD142837  Juncus G. F. Hrusa; R. Gross 1996-6-30 13061 Sonoma 2 mi. SW of Calistoga. Diamond Mountain Road. 700 Comment
  CAS-BOT-BC109884  Juncus Peter Rubtzoff 1974-10-20 7938 Sonoma Hinebaugh Creek in Rohnert Park.Creek east of Commerce Blvd. Comment
  CAS-BOT-BC157997  Juncus Peter Rubtzoff 1968-6-25 5908 Sonoma Lichan Marsh Comment
  CAS-BOT-BC164032  Juncus balticus subsp. ater Peter Rubtzoff 1970-5-16 6224 Sonoma Sonoma: Five miles north of Sears Point Comment
  SEINET3877389  Juncus bolanderi Kaye H. Thorne 1984-11-21 3657 Sonoma Sea Ranch, 2.5 mi S Gualala, stabilized coast dunes old sheep ranch.; 0 Comment
  SD40344  Juncus bufonius Edith A. Purer 1932-7-24 4083 Sonoma Near Bodega Bay, stabilized dunes. Comment
  RSA22444  Juncus covillei J. T. Howell 1937-7-4 13078 Sonoma Near Petrified Forest. Comment
  CDA9235  Juncus dubius D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  UC1101034  Juncus dubius Herbert L. Mason 1946-7-4 12890 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  UCD148475  Juncus effusus Peter Rubtzoff 1964-7-29 5455 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC227620  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5907 Sonoma Lichan Marsh Comment
  UCD144658  Juncus effusus subsp. pacificus Frederica Bowcutt 1994-5-1 1781 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco,10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. Campground S of Sonoma Creek about 150 yards. 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  SD262153  Juncus effusus var. pacificus Peter Rubtzoff 1959-6-20 4177 Sonoma Willow Creek Marsh (Duncan Hills 7.5'Q) 9 Comment
  RSA368222  Juncus hesperius Christopher Davidson 1977-6-20 6035 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  UCD148464  Juncus hesperius Peter Rubtzoff 1963-7-27 5213 Sonoma Duncans Mills Marsh. Comment
  POM261452  Juncus kelloggii Alice Eastwood, John Thomas Howell 1940-5-5 7866 Sonoma Summit of Bennett Valley Road. Comment
  CAS-BOT-BC290568  Juncus lescurii Peter Rubtzoff 1954-8-9 1665 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC322118  Juncus lescurii Peter Rubtzoff 1961-8-6 4676 Sonoma Americans Creek, 0.5 mi. east of Valley Ford. Comment
  RSA0031402  Juncus lescurii Peter Rubtzoff 1954-8-9 1663 Sonoma Bodega Head Marsh. Comment
  UCR248764  Juncus lescurii Peter Rubtzoff 1954-8-9 1663 Sonoma Bodega Head Marsh 2 Comment
  CAS-BOT-BC210118  Juncus occidentalis Peter Rubtzoff 1974-6-2 7523 Sonoma Upper Green Valley Marsh Comment
  UCD141648  Juncus occidentalis M. Wiesendanger 1927-5-5 713 Sonoma Sonoma. Comment
  RSA244325  Juncus oxymeris Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1091 Sonoma Pitkin-Jones Tree Farm; on Vine Hill road 1.3 miles north of jct. with Guerneyville Road. West of Santa Rosa. Comment
  UCD141757  Juncus patens Frederica Bowcutt 1996-5-19 2153 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 1 air mile south of Red Mountain. Near trailhead for Lower Bald Mountain. Above Group campground. 472 Comment
  CDA39262  Juncus phaeocephalus T. C. Fuller & D. L. Bristow 1957-12-17 s.n. Sonoma Horn Ave., south of Santa Rosa. 0 Comment
  JEPS67071  Juncus phaeocephalus var. paniculatus W. L. Jepson 1918-6-23 7647 Sonoma Asti Comment
  CDA37336  Keckiella lemmonii D. G. Kelch, T. McGregor 2010-8-22 10 .344 Sonoma Geyser Peak Rd. Comment
  SEINET10607050  Koeleria macrantha A. Arthur Heller 1902-4-23 Heller 5352 Sonoma Near Sonoma. Comment
  CAS-BOT-BC273784  Koeleria pyramidata G. DeNevers 1982-5-18 2037 Sonoma Pepperwood Ranch. On top of High Hill E of 3 Tree Hill Comment
  CAS-BOT-BC340657  Lactuca serriola Walter Knight; Irja Knight 1963-10-6 489 Sonoma Skillman Lane, Petaluma Comment
  SEINET10589342  Lagurus Alan A. Beetle 1941-7-8 Beetle 2856 Sonoma 1 mile north of Steward Point, open coastal bluffs. Assoc. Sedum, Phacelia. Comment
  UCD63265  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point. Comment
  CDA2224  Lamarckia aurea Gordon Leppig 1998-5-6 1344 Sonoma Austin Creek State Recreation Area, Austin Creek Trail. Comment
  CAS-BOT-BC324927  Lasthenia burkei Peter Rubtzoff 1974-5-26 7492 Sonoma Todd Road 1.5 mi. from Hwy. 116 and 0.5 mile from (west of) Llano Road Comment
  JEPS86735  Lasthenia burkei Jack and Betty Guggolz 1990-4-25 1036 Sonoma 1.5 mi n Simi Winery (s of Lytton Road and w of Lytton Creek) 51 Comment
  JEPS86736  Lasthenia burkei Jack and Betty Guggolz 1990-4-25 1035 Sonoma 1.5 mi n Simi Winery (s of Lytton Road and w of Lytton Creek) 51 Comment
  UCD133643  Lasthenia burkei Peter Rubtzoff 1974-5-26 7492 Sonoma Todd road 1.5 mile from Highway 116 and 0.5 mile from (west of) Llano Road. Comment
  SEINET11447674  Lasthenia burkei P. Rubtzoff 1974-1 Sonoma Comment
  CAS-BOT-BC346328  Lasthenia californica A. A. Heller; H. E. Brown 1902-4-15 s.n. Sonoma Santa Rosa Creek Comment
  JEPS86752  Lasthenia californica subsp. californica Jack and Betty Guggolz 1990-4-30 1039 Sonoma 243 Comment
  HSC82070  Lasthenia glaberrima Thomas W. Nelson, Jane P. Nelson 1980-5-3 5124 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  UC33079  Lasthenia glaberrima H. N. Bolander 1864-1 3981 Sonoma Mark West Creek Comment
  UC828906  Lasthenia glaberrima Leo Koch 1939-4-23 604 Sonoma along Game Refuge Road off Petaluma Hill Road Comment
  HSC100946  Lasthenia gracilis Peter Warner 2011-3-26 182 Sonoma Annadel State Park, ~50 m E upslope from Live Oak Trail, ~200 m N of junction with Rough Go Trail. 229 Comment
  JEPS117131  Lasthenia gracilis Peter Warner 2010-5-20 154 Sonoma Jenner Headlands, ~100 m W 330 deg. N of residence cabin on Willig Extension Dr., on low rock outcrop in Tank Field Comment
  POM52107  Lasthenia macrantha subsp. bakeri Katherine Brandegee 1905-6-27 s.n. Sonoma From Bodega to Bodega Bay, on west side of stream, crossed by road before turning north Comment
  SBBG7773  Lasthenia macrantha subsp. macrantha H. and M. Dearing 1939-5-14 3366 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  POM253183  Lasthenia minor A. A. Heller 1938-5-14 15080 Sonoma On the bluff N of Bay, Bodega Bay. Comment
  SD112563  Lasthenia minor subsp. maritima Darley F. Howe 1966-6-2 4259 Sonoma Coast,4.0 miles north of Bodega Bay on Highway 1. Comment
  POM29622  Lathyrus Marcus E. Jones 1924-4-23 s.n. Sonoma Petaluma. Comment
  UCD106212  Lathyrus cicera Christine Lee 1993-4-24 89 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. 411 Comment
  CAS-BOT-BC164644  Lathyrus tingitanus Peter Rubtzoff 1958-9-28 4018 Sonoma Guerneville region, Vacation Beach, near Guerneville. Comment
  UC15379  Lathyrus vestitus var. vestitus State Survey 1862-4-18 966 Sonoma near Sonoma Comment
Read comments
Jan 20 2011
  HSC82080  Layia chrysanthemoides Thomas W. Nelson, Jane P. Nelson 1980-5-3 5125 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  UC89333  Layia platyglossa Alice Eastwood Sonoma Bodega Point Comment
  CAS-BOT-BC329305  Layia septentrionalis H. E. Brown; A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood Comment
  CAS-BOT-BC183607  Leersia Peter Rubtzoff 1965-10-17 5660 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  CAS-BOT-BC210113  Leersia Peter Rubtzoff 1973-9-4 7298 Sonoma Russain River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CAS-BOT-BC274362  Leersia oryzoides Peter Rubtzoff 1963-9-28 5285 Sonoma Fitch Mtn. Grove, 2 mi. east of Healdsburg. Along Russian River margin Comment
  UCR279862  Leersia oryzoides Peter Rubtzoff 1969-8-27 6163 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  SD260873  Leersia oryzoides Peter Rubtzoff 1973-9-4 7298 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. In shallow water near the margin, in the open. Comment
  CAS-BOT-BC266610  Legenere limosa Peter Rubtzoff 1969-5-24 6051 Sonoma 6.5 miles NE of Penngrove, on Lichau Road 426 Comment
  CAS-BOT-BC154154  Lemna Peter Rubtzoff 1965-11-9 5667 A Sonoma Laguna de Santa Rosa area, E of Graton (btwn. Occidental and Guerneville Roads). Comment
  UCD166420  Lemna Peter Rubtzoff 1965-11-9 5667 A Sonoma Laguna de Santa Rosa area, E of Graton (btwn. Occidental and Guerneville Roads). Comment
  UC971684  Lemna gibba Leo Koch 1940-6-12 1011 Sonoma 3 mi n of Santa Rosa (behind Fountaingrove Vineyard along Highway 101) Comment
  UCR254728  Lemna minima Peter Rubtzoff 1955-7-31 2007 Sonoma Forestville Marsh [c. 0.5 mi E of Forestville, NW of Sebastopol] 50 Comment
  SEINET6165742 Image available Lepechinia calycina Unknown 1984-6-1 s.n. Sonoma Occidental Sonoma county Ca, Originally from Santa Barbara Comment
  CAS-BOT-BC173651  Lepidium Peter Rubtzoff 1964-6-24 5377 Sonoma Coleman Marsh, along Salmon Creek Comment
  UCR255881  Lepidium latifolium Greg de Nevers 1993-7-29 10478 Sonoma On dike of Petaluma River marsh at Hwy 37 1 Comment
  CAS-BOT-BC12759  Lepidium oxycarpum John Thomas Howell 1933-4-1 10924 Sonoma Petaluma. Comment
  UC517474  Lepidium oxycarpum John Thomas Howell 1933-4-1 10924 Sonoma Petaluma Comment
  CAS-BOT-BC12969  Lepidium strictum John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53944 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  CAS-BOT-BC12970  Lepidium strictum John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells 1982-4-28 54673 Sonoma Bouverie Audubon Preserve, about 1.5 mile east of Glen Ellen near Stuart Creek. 137 Comment
  UCD115834  Lepidium strictum Caitlin Lewis; William Mutch 1993-4-17 12 Sonoma About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile. Near visitor center. 365 Comment
  RSA0057964  Leptochloa fascicularis Greg de Nevers 1997-9-22 11089 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction. 100 Comment
  SBBG5965  Leptosiphon androsaceus H. and M. Dearing 1939-5-14 3354 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCR265105  Leptosiphon bicolor Ann Howald 2015-4-1 3337 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 18.3 miles west of intersection with Rockpile Rd, Wolf Creek drainage 131 Comment
  CAS-BOT-BC376422  Leptosiphon ciliatus Greg de Nevers 1992-6-24 10177 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By the PG&E tower in the saddle. 400 Comment
  SD7456  Leptosiphon ciliatus unknown 1892-1 Sonoma Comment
  CAS-BOT-BC226696  Leptosiphon jepsonii John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53956 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-BC376217  Leptosiphon jepsonii Greg de Nevers 1992-5-13 10149 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Garrison Canyon 475 Comment
  RSA3279  Leptosiphon latisectus D. D. Keck 1931-4-4 1100 Sonoma Santa Rosa Creek Canyon 225 Comment
  CAS-BOT-BC324193  Lessingia hololeuca John Thomas Howell 1931-9-26 8090 Sonoma 2 miles from Monte Rio on road to Camp Meeker Comment
  JEPS82406  Lessingia hololeuca Roger Raiche 1983-9-20 30727 Sonoma between Monte Rio and Camp Meeker Bohemian Highway; Headwaters Duvoul Creek Comment
  CAS-BOT-BC341997  Lessingia ramulosa J. W. Congdon 1880-9-1 s.n. Sonoma Petaluma Comment
  UCD166265  Leucanthemum vulgare Peter Rubtzoff 1970-9-3 6369 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC283529  Leymus X vancouverensis Peter Rubtzoff 1955-9-9 2126 Sonoma Bodega Harbor Marsh. Saline part of the Marsh and along dirt road crossing the Marsh Comment
  CAS-BOT-BC283530  Leymus X vancouverensis Peter Rubtzoff 1960-10-29 4583 Sonoma Bodega Harbor Marsh. Saline part of the Marsh and along dirt road Comment
  UCD64625  Leymus mollis P. G. Connors 1992-5-7 246 Sonoma near Mussel Point, overlooking Salmon Creek Beach. Comment
  UCD64220  Leymus pacificus Mary M. Hektner 1975-6-2 197 Sonoma Sea Ranch, near State Highway 1, Unit 28 Owners' Map. Comment
  UC38164  Leymus triticoides J. Burtt Davy 1897-9-18 4037 Sonoma roadside bank near Petaluma Comment
  UCD166467  Leymus triticoides Peter Rubtzoff 1956-9-22 2941 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC371446  Ligusticum apiifolium Greg de Nevers 1998-5-31 11269 A Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, between Cresta and second bridge below Mark West Lodge. 400 Comment
  CDA1612  Lilaea scilloides H. F. Kobayashi 1985-2-27 Sonoma Northwest of Graton, Sonoma County 0 Comment
  RSA73967  Lilaea scilloides Milo S. Baker 1952-4-20 12400 Sonoma Western outskirts of Sonoma, along 5th street. Comment
  UC1084423  Lilium maritimum G. Thomas Robbins 1938-6-23 267 Sonoma ca 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Comment
Read comments
Dec 13 2006
  CAS-BOT-BC130694  Lilium occidentale Peter Rubtzoff 1951-7-28 567 Sonoma Lower part of the Upper Marsh Comment
  UCD150014  Lilium pardalinum Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 2.5 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd., along Big Sulphur Creek. Elevation estimated by label maker. 822 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
  JEPS77858  Limnanthes alba Robert M. Lloyd 1961-5-8 3623 Sonoma Sobre Vista Rd w Aqua Caliente (0.9 mi n of Arnold Dr.) Comment
  UC1057485  Limnanthes douglasii G. Thomas Robbins 1938-4-15 259 Sonoma 6-7 mi w Santa Rosa (along road to Graton) Comment
  RSA52117  Limnanthes douglasii subsp. douglasii A. A. Heller, H. E. Brown 52117 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC488332  Limnanthes douglasii subsp. nivea Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain, NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1 43 Comment
  RSA215941  Limnanthes douglasii subsp. nivea Peter Rubtzoff 1966-4-30 5693 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 mile from Llano Road. Comment
  RSA74463  Limnanthes douglasii subsp. rosea Milo S. Baker 1947-6-26 11835 Sonoma Cunningham Marsh, ca 1 mile SW of Cunningham Sta. (air line) Comment
  JEPS39648  Limnanthes vinculans Robert Ornduff 1965-5-8 6864 Sonoma se of Cunningham (at junction of Hessel Road and Calif. Hwy. 116) Comment
  UC1331756  Limnanthes vinculans R. Ornduff 1965-5-8 6860 Sonoma e Cunningham (nr. Llano Road); Laguna de Santa Rosa Comment
  CAS-BOT-BC45943  Limnanthes vinculans Peter Rubtzoff 1969-5-3 6026 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  UC1301138  Linanthus androsaceus Helen K. Sharsmith 1963-5-25 5492 Sonoma near Bodega Bay; San Francisco Bay Region 30 Comment
  JEPS77261  Linanthus androsaceus Robert M. Lloyd 1963-4-24 2398 Sonoma 16.5 mi from State Highway 12 (on road to Oakdale) 274 Comment
  SEINET7075496  Linanthus ciliatus 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
  UC908783  Linanthus jepsonii Herbert L. Mason 1928-4-13 4337 Sonoma Reibli School Comment
  UC52689  Linanthus parviflorus unknown 1898-4-23 Sonoma Santa Rosa Creek Canyon Comment
  UCD110567  Linum bienne Beecher Crampton 1959-6-16 5390 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  UC1011107  Lithocarpus densiflorus Milo S. Baker 1941-8-4 8593 Sonoma 457 Comment
  CAS-BOT-BC430585  Lithophragma affine G. DeNevers 1981-4-11 697 Sonoma Pepperwood Ranch Comment
  UCD102702  Lithophragma affine Caitlin Lewis; William Mutch 1993-4-17 17 Sonoma about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile near visitor center. Along Sonoma Creek. 365 Comment
  UC1299676  Lithophragma heterophyllum Freed W. Hoffman 1947-5-31 1859 Sonoma Chimney Rock near Monte Rio; North Coast Ranges, Chimney Rock near Monte Rio Comment
  RSA17705  Lithophragma heterophyllum Elmer I. Applegate 1934-3-25 8844 Sonoma Sausal Creek. Pine Flat Rd. Foothills of the Cayamaca Mtns. Comment
  CAS-BOT-BC361326  Livistona Greg de Nevers 1997-8-19 11082 Sonoma Santa Rosa, Peterson Lane Comment
  CAS-BOT-BC361419  Logfia gallica Greg de Nevers 1993-5-30 10465 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa along Piney Canyon Rd. from Bald Hills 400 Comment
  CAS-BOT-BC342495  Logfia gallica F. Almeda; G. DeNevers 1981-4-28 4915 Sonoma Pepperwood Ranch. Vicinity of the Bechtel cabin Comment
  CAS-BOT-BC342499  Logfia gallica John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54005 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UC573668  Lolium multiflorum H. S. Yates 1937-5-30 6552 Sonoma 1 1/2 mi e Occidental; Sebastopol Quad. Comment
  SEINET11690152  Lolium multiflorum W. Knight, Knight, I.; Howell, J. T. 1987-1 6280 Sonoma Todd Road Preserve, near corner of Llano Road 24 Comment
  SEINET11690153  Lolium multiflorum W. Knight, Knight, I.; Howell, J. T. 1987-1 6279 Sonoma Todd Road Preserve 24 Comment
  SEINET7042400  Lolium multiflorum A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UC1011012  Lolium perenne Virginia Bufford 1936-5-19 266 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  UCD66406  Lolium perenne Beecher Crampton 1959-6-16 5372 Sonoma 0.2 miles E of Occidental. Comment
  CAS-BOT-BC368074  Lomatium caruifolium Greg de Nevers 1998-6-10 11275 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  UCR45090  Lomatium dasycarpum L. F. LaPre 1986-3-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  RSA177921  Lomatium dasycarpum subsp. dasycarpum R. F. Thorne 1965-4-20 34372 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 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
  JEPS25112  Lomatium nudicaule G. Thomas Robbins with Hsuan Keng and Erika Amstutz 1959-4-3 3968 Sonoma s.w. El Verano (along Arnold Dr.); Sonoma Valley 30 Comment
  CAS-BOT-BC217808  Lomatium repostum Walter Knight; Irja Knight 1985-7-21 6256 Sonoma Pine Flat Rd. Comment
  UC1348909  Lomatium repostum Robert F. Thorne 1965-4-20 34326 Sonoma ca. 2 1/2 mi N of Santa Rosa (1 mi N of Sonoma Co. Hosp., Parker Hill Rd.) 106 Comment
  CAS-BOT-BC361356  Lomatium repostum Greg de Nevers 1997-4-16 10942 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  CAS-BOT-BC240647  Lonicera hispidula A. A. Heller 1902-6-26 5767 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UCSB8735  Lonicera involucrata Keator, Glenn 1959-4-2 Sonoma 0.6 miles north of junction of Laguna Road and College Road on Laguna Road and 5.1 miles north of Sebastopol, Vinehill area Comment
  CAS-BOT-BC244000  Lonicera involucrata var. ledebourii Saichi Kawahara 1969-3-31 542 Sonoma 50 yards west of Jenner Comment
  UCD137389  Lonicera involucrata var. ledebourii Terri Williamson 1990-5-20 50 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  RSA177973  Lonicera involucrata var. ledebourii R. F. Thorne 1965-4-19 34268 Sonoma Halfway between Bloomfield and Valley Ford. 18 Comment
  RSA0020336  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rohnert Park, creek bed west of Commerce Blvd. crossing. Comment
  RSA115453  Lotus angustissimus Beecher Crampton 1955-6-17 2967 Sonoma Fort Ross Comment
  UCD106699  Lotus angustissimus Beecher Crampton 1955-6-17 2967 Sonoma State Hwy 1, Fort Ross. Comment
  UCD106736  Lotus corniculatus Terri Williamson 1990-5-20 52 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  UC80972  Lotus formosissimus Michener and Bioletti Jun 1893 Sonoma Kenwood Comment
  UC69629  Lotus humistratus J. Burtt Davy 1896-3-13 1655 Sonoma Duncan's Mills Comment
  HSC98263  Lotus humistratus S. N. Wiemeyer 1962-4-20 29 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UC1277995  Lotus junceus var. biolettii B. Crampton 1957-7-22 4370 Sonoma 0.9 mi s of Stewart's Point (along State Highway 1); State Highway 1 Comment
  UC864836  Lotus micranthus Lewis S. Rose 1940-5-5 40265 Sonoma Sonoma Creek Canyon 304 Comment
  HSC49288  Lotus scoparius J. P. Smith, J. O. Sawyer 1977-6-5 2878 Sonoma Along Arnold Rd. at jct. with State Route 12. Comment
  RSA138211  Lotus unifoliolatus Volney Rattan 1877-1 s.n. Sonoma Santa Rosa Comment
  RSA568520  Lotus unifoliolatus H. L. Bauer 350 Sonoma Big Basin Comment
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Sep 18 2012
  UC1745892  Lotus wrangelianus Annetta M. Carter, Edward Lee 1936-6-21 1199 Sonoma 2.2 mi. inland from Bodega Bay on road to Bodega. Comment
  UCR255053  Lotus wrangelianus Greg de Nevers 1992-5-2 10138 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 305 Comment
  UCD65993  Ludwigia hexapetala B. J. Grewell 2005-10-3 05- 33 -LU Sonoma Laguna Wildlife Area, Laguna de Santa Rosa at Blucher Creek Confluence. California Dept. of Fish and Game. Downstream of Todd Road bridge, Laguna de Santa Rosa south of Sebastopol, CA. 22 Comment
  UCR244610  Ludwigia palustris Peter Rubtzoff 1966-6-26 5763 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC157963  Ludwigia peploides Peter Rubtzoff 1955-8-28 2110 Sonoma Forestville Marsh Comment
  CAS-BOT-BC201297  Lupinus Charles Piper Smith 1947-6-19 47533 Sonoma Highway 1, Jenner, 1 mile south Comment
  SEINET10488351  Lupinus affinis Joseph W. Congdon 1880-5-22 Congdon s.n. Sonoma Santa rosa road Comment
  SEINET5327629  Lupinus albifrons A. A. Heller, H. E. Brown 1902-3-27 5162 Sonoma Western base of Mt. Hood. Comment
  SD130430  Lupinus albifrons var. albifrons F. Almeda, G. DeNevers 1981-4-28 4912 Sonoma Pepperwood Ranch: vicinity of the Bechtel cabin in and about serpentine chaparral. Comment
  UCD151311  Lupinus albifrons var. collinus James A. Neilson Jr. 1974-4-30 2727 Sonoma Mayacmas Mountains. Geyser-Healdsburg Road, 1/2 mile north of Culver Baer Mine. (Elevation estimated by label-maker using topo map.) 853 Comment
  CAS-BOT-BC196152  Lupinus albifrons var. douglasii F. W. Johnson 1890-9-10 57 Sonoma Santa Rosa Comment
  CAS-BOT-BC196459  Lupinus arboreus Alice Eastwood; John Thomas Howell 1939-4-2 7371 Sonoma North of Bodega Bay Comment
  CAS-BOT-BC196463  Lupinus arboreus Mary P. Wells 1985-4-13 471 Sonoma Above Highway #1. North of the Russian Gulch bridge Comment
  SEINET10485216  Lupinus densiflorus Joseph W. Congdon 1880-5-11 Congdon UMO 42456 Sonoma Santa rosa. Comment
  RSA413559  Lupinus densiflorus var. densiflorus Lester Rowntree 1931-7-13 s.n. Sonoma Road between Bay and Bodya. Comment
  HSC14968  Lupinus densiflorus var. palustris H. E. Parks, S. T. Parks 1930-5-9 600 Sonoma West end of Knights Valley 152 Comment
  SEINET10490758  Lupinus formosus var. formosus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7079 Sonoma On n-facing grassy clay bank, 0.6 mi w of sonoma-napa county line on hwy 121. 61 Comment
  UCD108123  Lupinus latifolius Freed W. Hoffman 1947-4-3 886 Sonoma Road to Austin Ranch, near Guerneville. Comment
  UCD108132  Lupinus latifolius Christine Lee 1993-4-24 95 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa; south of Sonoma Creek along Hillside Trail. 396 Comment
  NY15940  Lupinus lutosus A. A. Heller 1940-4-22 15546 Sonoma Alexander Valley. Lower Sonoran Life Zone. Comment
  SD53183  Lupinus microcarpus var. microcarpus Darley F. Howe 1962-5-24 3317 Sonoma Bodega Bay Comment
  SD37910  Lupinus microcarpus var. microcarpus Edith A. Purer 1932-7-24 Sonoma near Bodega Bay, roadside in Santa Rosa Canyon Comment
  UC1197270  Lupinus nanus Joseph P. Tracy 1933-5-1 12130 Sonoma below Knight's Valley along Mayacama Creek; along Maycama Creek below Knight's Valley 152 Comment
  CDA27562  Lupinus nanus T. C. Fuller 1977-4-21 20191 Sonoma Church of Christ property, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  UCD108932  Lupinus nanus Frederica Bowcutt 1996-3-24 2083 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 SSE of Red Mountain. Near large rock outcrop/Vista Rock along Vista Trail. 563 Comment
  UCD108952  Lupinus nanus Eric Davidson 1972-4-22 378 Sonoma along State Highway 21, ca. 5 miles north of State Highway 37. Comment
  SEINET12164400  Lupinus propinquus F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -147 Sonoma between Salmon Creek & Cormet at junction of Coleman Valley Road & CA 1 12 Comment
  UCD109576  Lupinus stiversii A. S. Crafts 1935-5-15 s.n. Sonoma Exact location unknown. Comment
  POM231113  Lupinus variicolor Jens Clausen 1935-5-24 1089 Sonoma 5.1 mi. S of Jenner on the Bodega road. Comment
  RSA22011  Lupinus variicolor Alice Eastwood, John T. Howell 1939-4-2 7362 A Sonoma Larkspur Rock Comment
  RSA244326  Luzula comosa var. comosa Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1089 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  CAS-BOT-BC441296  Luzula macrantha G. De Nevers 1981-3-25 566 Sonoma Pepperwood Ranch. Between the two fir-Redwood canyons Comment
  CAS-BOT-BC441389  Luzula subsessilis John H. Thomas 1976-6-15 18315 Sonoma Southern end of the Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  CAS-BOT-BC293673  Lythrum Peter Rubtzoff 1971-6-30 6583 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  RSA0015985  Lythrum hyssopifolia Edward Palmer 1892-6-27 2399 Sonoma Petaluma. Comment
  RSA0015998  Lythrum hyssopifolia J. T. Howell 1930-6-8 5233 Sonoma 4 miles east of Valley Ford. Comment
  RSA0015999  Lythrum hyssopifolia Peter Rubtzoff 1951-8-19 641 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  CDA19164  Lythrum salicaria D. Pendleton 2000-8-1 PDR 057088 Sonoma North Coast Ranges; Along Russian River bank, at Casini Ranch, Duncans Mills. 0 Comment
  CDA19168  Lythrum salicaria S. Opbroek 2000-7-5 PDR 038246 Sonoma North Coast Ranges; Along Hwy 116, Sebastopol. 0 Comment
  JEPS128282  Madia Roger Raiche 2005-4-22 019 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC166731  Madia Peter Rubtzoff 1964-5-31 s.n. Sonoma Along Russian River at Fitch Mtn. Grove, 2 miles east of Healdsburg. Comment
  CAS-BOT-BC342608  Madia John H. Thomas 1969-9-21 15471 Sonoma Coastal bluffs to the south of the mouth of the Russian River 121 Comment
  CAS-BOT-BC368061  Madia anomala Greg de Nevers 1998-5-26 11259 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  CAS-BOT-BC342620  Madia anomala G. DeNevers 1981-5-5 960 Sonoma Pepperwood Ranch. On the bench S of the Studio Comment
  CAS-BOT-BC344043  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi. N. of Occidental Comment
  CDA31042  Madia elegans D. G. Kelch, Troy McGregor 2010-8-22 10 .355 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  UC89455  Madia elegans W. E. Bryant July 1887 Sonoma Healdsburg Comment
  CAS-BOT-BC344032  Madia elegans Peter Rubtzoff 1951-8-26 675 Sonoma Hills south of Guerneville (Neeley Hill area) Comment
  CAS-BOT-BC344048  Madia elegans Luther Burbank; L. R. Abrams 1907-8-1 s.n. Sonoma Along roadside between Sebastopol & Santa Rosa Comment
  POM215201  Madia elegans subsp. densifolia D. D. Keck 1933-11-6 2646 Sonoma 1 mile north of Freestone on road to Occidental Comment
  CAS-BOT-BC344554  Madia exigua Greg de Nevers 1990-5-1 9661 A Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  UCR265433  Madia exigua Ann Howald, Christina Freeman 2015-6-1 3414 Sonoma Inner North Coast Ranges, Annadel State Park, Lawndale wetlands, northeast of intersection of Lawndale and Marsh trails 371 Comment
  JEPS128310  Madia gracilis Roger Raiche 2000-5-27 106 .00 Sonoma The Cedars, road into The Cedars at bridge (before 2nd crossing. Lower Russian River, Big Austin Creek watershed. Comment
  UCD160858  Madia gracilis James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3303 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-BC343448  Madia gracilis John H. Thomas 1966-5-8 11601 Sonoma 1.4 miles west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa Comment
  CAS-BOT-BC343472  Madia gracilis Catherine Best 1984-4-22 927 Sonoma Buena Vista Winery south of Sonoma Comment
  UCR198240  Madia madioides Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .276 Sonoma Cavesdale Road 518 Comment
  RSA516587  Madia nutans R. C. Bacigalupi 1956-4-17 5587 Sonoma Along Ida Clayton Rd., 3.7 miles east of its beginning on the Kellogg Valley side (jct. with State 128), Mayacamas Range. 686 Comment
  CAS-BOT-BC345214  Madia sativa John Thomas Howell 1932-9-17 10764 Sonoma 1 mile south of Kenwood Comment
  OBI33913  Madia sativa David J. Keil 1983-6-29 17197 Sonoma 5 mi N of Bodega Bay along hwy 1 Comment
  SEINET12052825  Maianthemum stellatum F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -51 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  RSA94348  Malus sylvestris Peter Rubtzoff 1951-11-24 850 Sonoma Pitkin Marsh, near Forestville. Western branch of the upper marsh; in a thicket on drier ground. Comment
  UCD116558  Malva nicaeensis Mary M. Hektner 1976-4-3 240 Sonoma Along fence and road at Sea Ranch Association Office, Sea Ranch, near State Highway 1. 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
  RSA786861  Matricaria matricarioides Carrie A. Herd 1982-5-4 87 Sonoma Rohnert Park, C.S.U. Sonoma, between dorm parking lot and bicycle path Comment
  UCD164980  Medicago Peter Rubtzoff; Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7804 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC269512  Melica californica G. DeNevers 1981-5-20 1219 Sonoma Pepperwood Ranch. On roadcut along Mark West Springs Rd. SW of Mark West Lodge, just before the road widens Comment
  SEINET8719049 Image available Melica geyeri Leo Koch 1940-1 843 Sonoma in Bennett Valley, a mile north of two and one-half mile junction from Kenwood and Glen Ellen Comment
  CAS-BOT-BC262452  Melica subulata Peter Rubtzoff 1959-6-6 4104 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC262567  Melica torreyana A. A. Heller 1902-4-4 5316 Sonoma Hills near Santa Rosa Comment
  UCD89210  Melica torreyana L. Whitney 1935-4-14 s.n. Sonoma Near Occidental. Comment
  UCD89213  Melica torreyana M. Wiesendanger 1927-5-5 734 Sonoma Kenwood Springs. Comment
  UCD89203  Melica torreyana R. Tofsrud 1942-4-1 s.n. Sonoma Road to 'Top O'World. Comment
  CAS-BOT-BC268072  Melilotus indicus Peter Rubtzoff 1971-8-20 6640 Sonoma 5 miles north of Sears Point. Comment
  UCD108097  Melilotus indicus M. Wiesendanger 1927-5-5 717 Sonoma location unknown. Comment
  UCD166100  Melilotus indicus Peter Rubtzoff 1971-8-20 6640 Sonoma 5 miles north of Sears Point. Comment
  RSA784568  Melissa Peter Rubtzoff 1973-8-28 7277 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC164362  Mentha Peter Rubtzoff 1958-9-27 4011 Sonoma Laguna de Santa Rosa, northeast of Graton (1.5 mi. N of Guerneville Road). Comment
  CAS-BOT-BC164387  Mentha Peter Rubtzoff 1960-9-17 4559 Sonoma Laguna de Santa Rosa, east of Graton (btwn. Occidental and Guerneville Road). Comment
  RSA785215  Mentha Peter Rubtzoff 1956-9-15 2899 Sonoma Atascadero Creek Marsh. Comment
  RSA785216  Mentha Peter Rubtzoff 1958-8-16 3882 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UCR244599  Mentha X piperita Peter Rubtzoff 1960-9-17 4564 Sonoma Laguna de Santa Rosa northeast of Graton, near Guerneville Road Comment
  UC1714396  Mentha pulegium J. Burtt Davy 1896-7-22 Sonoma Russian River Station Comment
  UC883402  Mentha pulegium Lewis S. Rose 1938-9-11 38253 Sonoma Bloomfield 30 Comment
  CAS-BOT-BC164713  Mentha rotundifolia Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh. Comment
  UCR244649  Mentha rotundifolia Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC164666  Mentha spicata Peter Rubtzoff 1955-10-12 2166 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC428464  Micranthes aprica Milo S. Baker 1928-3-1 2737 C Sonoma Golf Club Links Comment
  UCR261616  Micranthes californica Ann Howald 2003-3-8 2275 A Sonoma Inner North Coast Ranges, Mayacamas Mountains, Sugarloaf Ridge State Park, McCormick Addition, ca. 0.1 mile east of intersection of Headwaters Trail and Grandmother Oaks Trail 450 Comment
  CAS-BOT-BC348627  Micropus californicus var. californicus G. DeNevers 1981-5-5 944 B Sonoma Pepperwood Ranch. Hansel's cow pasture. On the trail across the driveway to the Pippindale Garden 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
  SEINET7096778  Microseris douglasii 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
  CAS-BOT-BC348856  Microseris douglasii subsp. douglasii Greg de Nevers 1993-4-11 10366 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  CAS-BOT-BC322712  Microseris laciniata John Thomas Howell; Alice Eastwood 1936-5-19 2503 Sonoma 11 miles north of Santa Rosa Comment
  CAS-BOT-BC7490  Microseris obtusata Alice Eastwood 1899-1-1 s.n. Sonoma Bodega Point Comment
  RSA0025386  Mimulus Peter Rubtzoff 1964-7-29 5442 Sonoma Brooks Gulch Marsh. Comment
  RSA177937  Mimulus aurantiacus var. aurantiacus Robert F. Thorne 1965-4-20 34335 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UC444800  Mimulus cardinalis V. King Chesnut 1887-8-1 Sonoma Santa Rosa Comment
  JEPS86852  Mimulus douglasii David M. Thompson 1989-3-18 990 Sonoma 2.8 mi w of birdge Lake Sonoma (along Rockpile Road, then 0.4 mi s along paved campground road to Liberty Glen campground entrance booth, 0.1-0.2 mi ne of parking area); Lake Sonoma Recreation Area 180 Comment
  UC1041002  Mimulus grandis J. W. Congdon 1880-3 Sonoma Petaluma Comment
  UC125184  Mimulus grandis Katharine Brandegee 1905-1 Sonoma Bodega Comment
  RSA54059  Mimulus guttatus J. T. Howell 1948-4-18 24213 Sonoma Hills east of Agua Caliente. Comment
  UCR248872  Mimulus guttatus Peter Rubtzoff 1954-9-4 1729 Sonoma Bodega Head Marsh 2 Comment
  UCR252543  Mimulus guttatus Peter Rubtzoff 1969-5-24 6060 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road 427 Comment
  UC1239049  Mimulus microphyllus Freed W. Hoffman 1947-3-9 814 Sonoma 2 mi e Occidental; North Coast Ranges Comment
  UC26911  Mimulus pilosus Alice King Sept., 1896 Sonoma Healdsburg Comment
  CAS-BOT-BC174580  Minuartia californica Mary P. Wells 1894-4-20 s.n. Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC388893  Minuartia douglasii F. Almeda; G. DeNevers 1981-4-28 4910 Sonoma Pepperwood Ranch. Vicinity of the Bechtel cabin Comment
  CAS-BOT-BC388898  Minuartia douglasii Anna F. Rodda 1929-5-6 s.n. Sonoma Geyserville Comment
  HSC4089  Minuartia douglasii H. E. Parks, S. T. Parks 1930-5-10 851 Sonoma Knights Valley 152 Comment
  JEPS18141  Minuartia douglasii Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5661 Sonoma near Layton Chromite Mine (headwaters of creek, along and just above creekbed); Big Austin Creek, Vic. of The Cedars 266 Comment
  RSA293379  Minuartia douglasii Reino Alava 1958-5-24 2069 Sonoma Hillside about one mile from Graton on the road from Graton to Occidental. Comment
  UC7699  Mollugo verticillata Miss Alice King 1897-1 Sonoma Healdsburg Comment
  UCD159722  Monardella odoratissima subsp. pallida James A. Neilson Jr.; Teresa A. Sholars 1975-3-27 3290 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, east Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  JEPS128225  Monardella villosa Roger Raiche 2000-7-15 138 .00 Sonoma The Cedars. Campbell Ranch. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS86348  Monardella villosa Jack and Betty Guggolz 1988-5-8 927 Sonoma Comment
  CAS-BOT-BC318599  Monardella villosa subsp. subserrata Tom Craig 1941-6-18 s.n. Sonoma Trinity Road, west slope, between Glen Ellen and Rutherford. Comment
  JEPS87249  Monardella villosa subsp. villosa Jack and Betty Guggolz 1991-6-10 1181 Sonoma On south side of Buzzard peak. 323 Comment
  CAS-BOT-BC314207  Monardella villosa subsp. villosa C. L. Hitchcock; J. S. Martin 1939-7-15 5446 Sonoma Cliffs below Bodega State Park. Comment
  CAS-BOT-BC220702  Monardella viridis F. G. Krauss 1894-1-1 s.n. Sonoma Unspecified Comment
  RSA518858  Monardella viridis Roger Raiche 1987-7-5 70380 Sonoma N of Cazadero, The Cedars, Big Austin Creek drainage, between Gravelly Springs and Red Slide Creek. 305 Comment
  CAS-BOT-BC166932  Montia Peter Rubtzoff 1974-4-17 7371 Sonoma Upper Green Valley Marsh area. Comment
  NY342239  Montia clara A. A. Heller 1902-4-16 5313 Sonoma Fields east of Santa Rosa Comment
  CAS-BOT-BC444986  Montia fontana Alice Eastwood 1921-4-24 10383 Sonoma Santa Rosa Comment
  CAS-BOT-BC444995  Montia fontana Greg de Nevers 1993-3-7 10320 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 304 Comment
  CAS-BOT-BC444991  Montia fontana Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane 2 mi. north east of Occidental Comment
  CAS-BOT-BC444999  Montia fontana Peter Rubtzoff 1952-3-23 900 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  UCD144663  Montia parvifolia Frederica Bowcutt 1994-6-12 1874 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Canyon Trai along edge of Sonoma Creek just E of confluence with Pony Gate Gulch Creek, just S of Adobe Canyon Road. 274 Comment
  UC1146577  Muhlenbergia andina Freed W. Hoffman 1947-5-30 1700 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UCD86411  Muhlenbergia andina Freed W. Hoffman 1947-5-30 1700 Sonoma Layton Mine, Austin Creek. Comment
  RSA123590  Muilla maritima Leo Koch 1938-3-23 63 Sonoma Roadside near Shiloh cemetery, near Windsor. Comment
  CAS-BOT-BC251166  Myriophyllum aquaticum Peter Rubtzoff 1963-7-6 5195 Sonoma Laguna de Santa Rosa area east of Cunningham. Comment
  CDA14225  Myriophyllum spicatum G. F. Hrusa, R. Gross 1997-8-31 14093 Sonoma North Coast Biodiversity Arena; Foote Ranch, NW base of Mt. St. Helena. Immed. NE of int. of Hwy. 128 and Ida Clayton Rd. 106 Comment
  JEPS86817  Myrtus communis Jack and Betty Guggolz 1991-3-6 1101 Sonoma 7.25 mi from s side of Highway 128 (Ida Clayton Road); Ida Clayton Road 734 Comment
  UC729998  Nassella cernua Leo F. Koch 1940-4-24 844 Sonoma roadside n junction 2 1/2 miles from Kenwood and Glen Ellen; Bennett Valley Comment
  CAS-BOT-BC260072  Nassella lepida G. DeNevers 1981-6-8 1503 Sonoma Pepperwood Ranch. N arm of Garrison Canyon Comment
  UC1011037  Nassella lepida Virginia Bufford 1936-5-22 388 Sonoma Annapolis Rd 1 mi from junction with Skaggs Springs Rd. Comment
  CAS-BOT-BC260287  Nassella pulchra A. A. Heller 1902-4-23 5350 Sonoma Near Sonoma 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-BC60521  Nasturtium officinale Peter Rubtzoff 1958-6-1 3697 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UCD116053  Nasturtium officinale Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1786 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. Campground S of Sonoma Creek approx. 125 yds. 1/4 mile NW of confluence with Rattlesnake Creek. 350 Comment
  POM65215  Navarretia cotulifolia A. A. Heller 1902-6-4 s.n. Sonoma Santa Rosa. Comment
  RSA0088471  Navarretia cotulifolia Ann Howald 2003-5-15 2334 A Sonoma Inner North Coast Ranges: Sonoma Mountains, south end, lower east slope, c. 0.2 mile southeast of intersection of Lewis Creek and Felder Creek. 151 Comment
  UCR261637  Navarretia cotulifolia Ann Howald 2003-5-15 2334 A Sonoma Inner North Coast Ranges, Sonoma Mountains, south end, lower east slope, c. 0.2 mile southeast of intersection of Lewis Creek and Felder Creek 151 Comment
  UCR66595  Navarretia cotulifolia F. W. Peirson 1925-8-8 6339 Sonoma 6 mi south of Santa Rosa 38 Comment
  OBI36026  Navarretia heterodoxa John C. Roos 1950-7-22 4877 Sonoma 2 miles east of Duncan Mills 61 Comment
  UC133811  Navarretia heterodoxa Katharine Brandegee Aug 1892 Sonoma Petrified Forest Comment
  JEPS83483  Navarretia leucocephala subsp. plieantha Jack and Betty Guggolz 1986-5-23 872 Sonoma sw of Windsor Comment
  UC582809  Navarretia squarrosa P. A. Munz 1936-8-7 14308 Sonoma 6 mi n Bodega Comment
  CDA20084  Navarretia squarrosa R. Gross 2002-12-7 s.n. Sonoma North Coast Ranges; Foote Ranch, 16041 Hwy 128, Kellogg. 0 Comment
  UCD160863  Navarretia vividior James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3294 a 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
  HSC13575  Nemophila heterophylla H. E. Parks, S. T. Parks 1930-5-9 611 Sonoma Knights Valley Comment
  UCD161317  Nemophila heterophylla James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3703 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101 along the Geysers Road, ca. 1/2 mile north of Big Sulphur Creek; Aidlin-Gouvea Leasehold. (Coordinates estimated by label maker.) Comment
  UCSC000579  Nemophila heterophylla Daisy Swett 1901-3-18 s.n. Sonoma Windsor Comment
  UC67243  Nemophila heterophylla M. Baker May 1899 Sonoma near Laguna; near the Laguna Comment
Read comments
Feb 16 2007
  CHSC31076  Nemophila menziesii N. Kvasnik 1980-4-2 1 Sonoma Ca. 15 mi se of Petaluma. Ca. 1.3 mi w of jct of Warm Springs Rd and Sonoma Mountain Rd on s side of road. 225 Comment
  UC24235  Nemophila menziesii J. Burtt Davy 1896-3-15 1673 Sonoma near Fort Ross; near Fort Ross Comment
  UCSC000578  Nemophila menziesii subsp. atomaria Charisse Bickford 1979-4-13 s.n. Sonoma in wet, rocky soil at roadside near an orchard 4.7 miles east of the junction of Trinity Road with highway 12 Trinity Road, highway 12 671 Comment
  UCD120238  Nemophila menziesii var. atomaria J. Adams; J. Weick 1993-5-8 254 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Comment
  UC65022  Nemophila parviflora M. L. Baker 1898-4-3 15 Sonoma betw Guerneville and Cazadero; betw Guerneville and Cazadero Comment
  CAS-BOT-BC230567  Nemophila parviflora var. parviflora A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross Comment
  CAS-BOT-BC173515  Nicotiana Peter Rubtzoff 1970-9-13 6387 Sonoma Russian River bottom at Forest Hills, 5.5 miles East of Guerneville Comment
  UCR279605  Nicotiana acuminata Peter Rubtzoff 1961-6-7 4618 Sonoma Laguna de Santa Rosa, c. 1 mile SE of Trenton 30 Comment
  HSC100869  Nicotiana acuminata var. multiflora Peter Warner 2011-11-2 236 Sonoma Annadel State Park, lower Canyon-Spring Creek Trails access from Vietnam Veterans Trail at Park Trail Drive, Santa Rosa. 0 Comment
  SEINET12327553  Nicotiana acuminata var. multiflora W. Knight, Knight, I.; Edwards, S. W. 1984-1 5043 Sonoma along Willow Creek near Stony Point Rd, between Corona Rd & Old Redwood Hwy 6 Comment
  SDSU655  Nuphar lutea subsp. polysepala D. F. Howe 1972-6-27 4840 Sonoma Duncan Mills Pond Comment
  RSA0009430  Nuphar lutea subsp. polysepala Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  UC136307  Nuphar lutea subsp. polysepala G. A. Newell Aug 1900 Sonoma Russian River Station Comment
  CAS-BOT-BC368058  Oemleria cerasiformis Greg de Nevers 1998-5-20 11255 Sonoma Mark West Creek on Cresta Ranch Comment
  RSA227200  Oenanthe sarmentosa Peter Rubtzoff 1955-9-24 2154 Sonoma Duncan Mills Marsh Comment
  CDA38495  Oenanthe sarmentosa T. C. Fuller 1958-1-29 104 -58 Sonoma Triangle G Ranch, Sonoma Mtn., Petaluma. 0 Comment
  SEINET3159751  Orthocarpus faucibarbatus L. S. Rose 1933-5-9 33158 Sonoma Bodega Bay Comment
  RSA80275  Orthocarpus lithospermoides F. W. Peirson, Mabel B. Peirson 1926-4-1 6550 Sonoma 6 miles south of Cloverdale. Comment
  UCD127786  Osmorhiza berteroi J. M. Tucker 1951-6-26 2138 Sonoma beside road from Oakville to Glen Ellen, near summit of the range. Comment
  UCD127445  Osmorhiza berteroi Botany 102 students 1993-4-24 83 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 NW of Napa. Along Hillside Trail. 426 Comment
  HSC34881  Oxalis corniculata Thomas W. Nelson, James Nelson 1975-3-25 1752 Sonoma Beside Hwy. 128 E of Geyserville. Comment
  SEINET7690378 Image available Oxalis montana Aldridge 1896-1 s.n. Sonoma Santa Rosa Comment
  UCD110992  Oxalis pilosa K. Esau 1932-5-2 s.n. Sonoma Bodega Bay. Comment
  UC1389001  Packera Milo S. Baker 1934-4-28 7605 Sonoma w Dry Creek Valley (ne corner of ranch); Jensen Ranch Comment
  CAS-BOT-BC227646  Panicum Peter Rubtzoff 1973-8-20 7243 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD166341  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC1023571  Panicum acuminatum var. acuminatum Milo S. Baker Apr 1936 252 Sonoma Sonoma Co. Geysers Comment
  UCD88406  Panicum acuminatum var. fasciculatum Beecher Crampton 1957-7-22 4386 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCD89127  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 e Sonoma North East part of county. The Geysers, Comment
  CAS-BOT-BC253771  Panicum capillare Catherine Best 1984-8-18 1039 Sonoma Near the pond on Stoetz Lane, about 3 miles NE of Occidental Comment
  CAS-BOT-BC371403  Panicum miliaceum Greg de Nevers 1998-8-25 11304 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Road 400 Comment
  CAS-BOT-BC175545  Parnassia palustris Roger Raiche 1885-8-10 50721 Sonoma The Cedars, N of Cazadero, headwaters of Big Austin Creek 243 Comment
  SEINET10717816  Paspalum P. Rubtzoff 1971-8-31 Rubtzoff 6662 Sonoma Todd Road, near Stony Point Road. Comment
  RSA94094  Paspalum dilatatum J. T. Howell 1946-8-17 22860 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC265697  Paspalum distichum Peter Rubtzoff 1951-6-9 181 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC202869  Paxistima myrsinites W. Knight; I. Knight; Dr. Steve Edwards 1986-6-9 5444 Sonoma Annadel State Park Comment
  UC1071574  Paxistima myrsinites E. Armstrong 1934-3-26 905 Sonoma 1 mi. w. Camp Meeker; Sebastopol Quad. 182 Comment
  CAS-BOT-BC202874  Paxistima myrsinites Richard Mc. P Brown 1979-7-4 s.n. Sonoma Camp Meeker, St. Dorothy's Rest (Episcopalian retreat) Comment
  SEINET12327822  Pedicularis densiflora F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -086 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  UCD165877  Pelargonium capitatum Peter Rubtzoff 1970-10-29 6424 Sonoma Bodega Harbor Marsh. Comment
  JEPS78831  Penstemon heterophyllus var. heterophyllus Edward Lee 1936-6-7 2199 Sonoma on the fire trail near Highpoint (Bohemian Grove); , near Highpoint Comment
  UC1238912  Penstemon heterophyllus var. heterophyllus Freed W. Hoffman 1947-8-4 1419 Sonoma Mt. St. Helena North Coast Ranges 609 Comment
  CAS-BOT-BC245721  Penstemon newberryi var. sonomensis F. T. Bioletti 1892-5-1 74 Sonoma Hood's Peak Comment
  CAS-BOT-BC71727  Pentagramma triangularis subsp. triangularis Walter Knight; Irja Knight 1963-12-27 457 Sonoma Pine Flat Rd. Comment
  CAS-BOT-BC71733  Pentagramma triangularis subsp. triangularis John H. Thomas 1976-6-18 18358 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville Comment
  OBI59451  Perideridia gairdneri subsp. gairdneri L. Constance, T. I. Chuang 1965-2-1 3766 Sonoma Marsh on Atascadero Creek 1 mi NW of Graton. 183 Comment
  UC1518541  Perideridia gairdneri subsp. gairdneri Betty Lovell 1984-7-22 696 Sonoma 1000 ft ne Hwy 12 junc. with Frey Rd. (w of creek); Kenwood quad. Comment
  UC1389975  Perideridia kelloggii T. I. Chuang 1963-5-8 5756 Sonoma 6 mi nw Cloverdale Comment
  CAS-BOT-BC413653  Persicaria amphibia Peter Rubtzoff 1958-8-23 3925 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Rd.) Comment
  CAS-BOT-BC413665  Persicaria amphibia Volney Rattan 1877-6-14 s.n. Sonoma Guerneville 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-BC413661  Persicaria amphibia Peter Rubtzoff 1966-10-9 5834 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Rd. Comment
  CAS-BOT-BC418895  Persicaria hydropiperoides Greg de Nevers 1987-7-10 8237 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 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-BC418899  Persicaria hydropiperoides Peter Rubtzoff 1951-7-1 349 Sonoma Pitkin Marsh, near Forestville. North of the Lower Marsh Comment
  CAS-BOT-BC419120  Persicaria lapathifolia Peter Rubtzoff 1956-9-14 2888 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC419108  Persicaria lapathifolia John Thomas Howell 1932-9-18 10777 Sonoma Slough draining Kenwood Marsh Comment
  UCD60448  Persicaria pensylvanica Brenda Grewell; Gene Cooley 2007-8-23 s.n. Sonoma Sebastopol, access from Cooper Road, west of the confluence of the Laguna de Santa Rosa with Gravenstein Creek on the DFG Laguna Wildlife Area's Lago Marsino parcel. Comment
  CAS-BOT-BC258013  Persicaria pensylvanica Peter Rubtzoff 1973-9-9 7325 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC419417  Persicaria punctata A. A. Heller 1902-8-20 6053 Sonoma At Sebastopol Comment
  CAS-BOT-BC419432  Persicaria punctata John Thomas Howell; J. W. Stacey 1936-7-26 12682 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  CAS-BOT-BC419418  Persicaria punctata Walter Knight; Irja Knight 1965-9-12 1189 Sonoma Newanga Road, Santa Rosa Comment
  UCD134924  Petasites frigidus var. palmatus Mary M. Hektner 1974-7-10 140 Sonoma Unit 34-B Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA0045532  Phacelia californica Keith E. Hoffmaster 1946-3-9 s.n. Sonoma Near Bodega. [Label says Marin Co. but actually in Sonoma Co.] Comment
  RSA133558  Phacelia californica L. R. Heckard, Paul C. Silva 1952-4-14 219 Sonoma Along State Highway 1, just south of Goat Rock. Comment
  UC107445  Phacelia distans J. W. Congdon 1880-4-9 Sonoma Petaluma Comment
  UC126010  Phacelia distans Alice Eastwood 1893-4-27 Sonoma Hood Mountain Comment
  UC703123  Phacelia distans John Thomas Howell 1929-6-9 4306 Sonoma near Petrified Forest Comment
  SD130514  Phacelia distans F. Almeda, G. DeNevers 1981-4-28 4902 Sonoma 0.5 mile from main gate to Pepperwood Rancdh Natural Preserve, just off Franz Valley Road. Comment
  UC24390  Phacelia egena F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  SEINET10824378  Phacelia suaveolens Peter H. Raven 1965-5-16 Raven 20219 Sonoma Burned flats near Frantz District School. Comment
  CAS-BOT-BC258946  Phalaris aquatica Peter Rubtzoff 1961-10-18 4771 Sonoma Cunningham Marsh Comment
  UCR218638  Phalaris aquatica George K. Helmkamp, E. A. Helmkamp 2010-6-4 16218 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  CAS-BOT-BC258950  Phalaris aquatica J. Penalosa 1961-5-24 1602 Sonoma Pepper Rd. 0.9 mi. N of Petaluma - Valley Ford Rd. Comment
  CAS-BOT-BC265913  Phalaris lemmonii David L. Morgan 1956-5-17 s.n. Sonoma Watmaugh Road 1/2 mile west of junction of Arnold Drive Comment
  CAS-BOT-BC250743  Phalaris paradoxa Peter Rubtzoff 1962-4-18 4802 Sonoma Border of Highway #101 east of Petaluma Comment
  CAS-BOT-BC76528  Philadelphus lewisii John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54686 Sonoma Bouverie Audobon Perserve, about 1.5 miles east of Glen Ellen near Stuart Creek. 137 Comment
  SEINET12330326  Phlox speciosa Unknown 1985-1 50169 Sonoma W of Healdburg, Dry Crk area, ridge W side of Dry Creek Valley, N of Dorman Canyon on Bradford Mt 244 Comment
  RSA572341  Phoradendron densum Vanessa Ashworth, Nigel Boyle 1994-8-20 55 Sonoma Ca 2.5 miles N of Camp Meeker on Bohemia Hwy from Occidental to Monte Rio. Comment
  UCD102207  Phoradendron leucarpum subsp. tomentosum Frederica Bowcutt 1997-7-19 2191 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. 0.5 air miles SSE of Red Mountain, Mid-slope on S facing side of Adobe Canyon along Vista Trail just E. of Vista Rock (prominent metamorphic rock outcrop). 579 Comment
  CAS-BOT-BC171220  Phoradendron serotinum subsp. tomentosum G. De Nevers 1981-3-31 587 Sonoma Pepperwood Ranch Comment
  HSC100873  Photinia fraseri Peter Warner 2011-4-6 187 Sonoma Santa Rosa, Howarth Park, along foot-trails S of Lake Ralphine, N of Medica Ct. and Slate Dr. 112 Comment
  CAS-BOT-BC251152  Phyla Peter Rubtzoff 1973-9-8 7305 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC327  Phyllospadix scouleri Milo S. Baker 1899-6-28 Sonoma near mouth of Russian River Comment
  CAS-BOT-BC140493  Physocarpus J. W. Congdon 1892-5-30 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC140624  Physocarpus capitatus Peter Rubtzoff 1964-5-20 5314 Sonoma Brooks Gulch Marsh Comment
  UC555512  Physocarpus capitatus H. L. Mason Jun 1930 5642 Sonoma Gualala River, mouth Comment
  SEINET12162057  Pickeringia montana I. Knight, Knight, W. 1981-1 3971 Sonoma 2.3 mi up Cavedale Rd. from jct of State Rt. #12 Comment
  UCD108156  Pickeringia montana Frederica Bowcutt 1994-6-25 1923 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. 670 Comment
  CAS-BOT-BC202281  Pickeringia montana var. montana A. A. Heller 1902-6-23 5740 Sonoma Petrified Forest Comment
  CAS-BOT-BC202285  Pickeringia montana var. montana Walter Knight; Irja Knight 1963-12-27 475 Sonoma Summit, Pine Flat Rd. Comment
  RSA796378  Picris echioides Peter Rubtzoff 1955-8-14 2050 Sonoma Forestville Marsh. Comment
  UC1134141  Pinus attenuata J. B. Spring 1932-7-3 95 Sonoma 2/5 mi sw Veeder Mountain; Napa Quadrangle 609 Comment
  CAS-BOT-BC361362  Pinus attenuata Greg de Nevers 1997-4-16 10935 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  SEINET5055374  Pinus muricata Unknown 1983-7-7 E- 3 Sonoma Vicinity Salt Point, State Hwy 1 Comment
  UCD138999  Piperia elegans K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC137281  Piperia elegans Peter Rubtzoff 1952-6-10 1240 Sonoma Field redacted by CAS, contact the data manager for more information Comment
  UCSC008263  Piperia elegans Randall Morgan 1989-1-1 1322 -P Sonoma Malm Flat Trail, Sugarloaf Ridge State Park Comment
  CAS-BOT-BC166764  Plagiobothrys Peter Rubtzoff 1972-4-23 s.n. Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC166943  Plagiobothrys Peter Rubtzoff 1969-5-3 6017 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCR255871  Plagiobothrys Greg de Nevers 1992-5-24 10155 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 476 Comment
  UCR279870  Plagiobothrys Peter Rubtzoff 1969-5-11 6040 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  UCR279874  Plagiobothrys Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastapol 21 Comment
  CAS-BOT-BC154142  Plagiobothrys Peter Rubtzoff 1972-5-25 6771 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC166948  Plagiobothrys Peter Rubtzoff 1969-6-15 6094 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CDA13131  Plagiobothrys bracteatus G. F. Hrusa, R. Gross 1996-6-3 13066 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  UC424773  Plagiobothrys bracteatus Milo S. Baker 1929-4-27 3586 Sonoma near Wright School Comment
  UCR279865  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-16 6231 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  UCR279866  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-30 6237 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  UCR118791  Plagiobothrys greenei Beecher Crampton 1955-4-5 2413 Sonoma Santa Rosa Area, 2 miles southwest of Windsor 91 Comment
  UCD120854  Plagiobothrys leptocladus Mary M. Hektner 1976-4-3 233 -A Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  POM118682  Plagiobothrys nothofulvus Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UCD160140  Plagiobothrys nothofulvus James A. Neilson Jr. 1974-3-27 3015 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  UCR119034  Plagiobothrys nothofulvus Beecher Crampton 1955-4-5 2414 Sonoma Santa Rosa Area, 2 miles southwest of Windsor 91 Comment
  RSA786924  Plagiobothrys nothofulvus Carrie A. Herd 1982-3-14 20 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  RSA0060110  Plagiobothrys reticulatus Greg de Nevers 1998-5-5 11229 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat. 100 Comment
  RSA788371  Plagiobothrys reticulatus Peter Rubtzoff, H. A. Froebe 1971-5-16 6455 Sonoma Duncans Mills Marsh. Comment
  RSA0083877  Plagiobothrys stipitatus var. micranthus Peter Rubtzoff 1970-5-16 6230 Sonoma 5 miles north of Sears Point Comment
  RSA151887  Plagiobothrys undulatus Robert Ornduff 1960-4-21 6072 Sonoma West edge of Sonoma. Both sides of Hayes St., south of Sonoma Elementary School. Comment
  RSA783849  Plagiobothrys undulatus Peter Rubtzoff 1972-5-25 6771 Sonoma Laguna, Chileno Valley. Comment
  UCD124450  Plantago erecta Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 31 Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. Comment
  UC730020  Plantago erecta Leo F. Koch 1940-4-24 847 Sonoma just n Warfield Station Comment
  UCR248875  Plantago major Peter Rubtzoff 1958-7-19 3763 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC258383  Plantago subnuda Peter Rubtzoff 1960-6-9 4489 Sonoma Laguna de Santa Rosa area northeast of Graton, near Laguna Road. Comment
  UC1057476  Platanthera leucostachys G. Thomas Robbins 1937-5-23 208 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Comment
  UC1084455  Platanthera leucostachys G. Thomas Robbins 1937-5-23 217 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Comment
  UC4551  Platanthera leucostachys F. T. Bioletti 1892-1 Sonoma Point Arena Comment
  UC118467  Platystemon californicus Alice Eastwood Apr. 1901 Sonoma Bodega Comment
  UCD19909  Platystemon californicus C. H. Lamoureux; J. M. Tucker, J. McCaskill, and S. Armstrong 1957-4-7 1190 Sonoma Duncan Point, Sonoma Coast State Park. 15 Comment
  OBI22106  Pleuropogon californicus Lewis S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  CAS-BOT-BC260971  Pleuropogon californicus var. californicus Peter Rubtzoff 1961-5-24 4601 Sonoma Upper Stemple Creek Marsh Comment
  UCD90234  Pleuropogon californicus var. davyi R. E. Preston 1996-4-22 930 Sonoma ca. 4.3 miles E.S.E. of Hopland. Comment
  HREC248 Image available Pleuropogon hooverianus Chuck Williams 1998-5-21 2162 Sonoma Hopland Field Station: 4100 Pressley Rd. 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
  CAS-BOT-BC368028  Poa Greg de Nevers 1998-6-10 11281 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  UCD92203  Poa Collector Unknown 1941-4-1 379 Sonoma near Wright School. Comment
  CAS-BOT-BC422342  Poa Peter Rubtzoff 1976-5-30 8560 Sonoma Kenwood Marsh. Comment
  UCD92205  Poa Collector Unknown 1941-4-1 381 Sonoma field east of old S. R. Cemetary. Comment
  UCD92210  Poa Collector Unknown 1942-4-1 383 Sonoma between S. R. and County Farm. Comment
  RSA73959  Poa annua Milo S. Baker 1952-4-20 12397 Sonoma East side of Hwy 12, ca. 0.25 mi N. of Caliente Comment
  CDA11325  Poa bulbosa G. F. Hrusa, R. Gross 1995-4-1 12034 Sonoma North Coast Biodiversity Arena; Foote Ranch at NE corner of Hwy. 128 and Ida Clayton Rd. Knights Valley. Comment
  UC1132792  Poa secunda subsp. secunda H. S. Yates 1934-4-22 3852 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  UCD92089  Poa secunda subsp. secunda L. Whitney 1935-3-16 s.n. Sonoma Near Occidental. Comment
  CAS-BOT-BC244189  Poa trivialis Peter Rubtzoff 1954-6-6 1470 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC244196  Poa trivialis Peter Rubtzoff 1960-6-8 4466 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC244264  Poa unilateralis Catherine Best 1984-5-11 935 Sonoma Above the ocean at Salt Point State Park Comment
  CAS-BOT-BC383035  Poaceae Greg de Nevers 1989-6-8 9078 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  HSC93551  Pogogyne douglasii G. Fred Hrusa, A. Buckmann 1996-10-5 13586 Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Rd., 2 mi. SW of Calistoga 700 Comment
  JEPS81441  Pogogyne douglasii subsp. parviflora L. R. Heckard 1982-7-24 5827 A Sonoma Old Naval Air Station. Fall 1981 Comment
  JEPS83492  Pogogyne douglasii subsp. parviflora Jack and Betty Guggolz 1986-5-22 871 Sonoma South of Shiloh Roas and east of Highway 101 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
  UC450151  Polygala californica Milo S. Baker 1898-6-11 657 Sonoma Little Sulphur Creek Comment
  UC635628  Polygala californica H. L. Mason 1934-4-28 8087 Sonoma Jensen's Ranch Comment
  CAS-BOT-BC110537  Polygonum Peter Rubtzoff 1987-9-27 9854 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC164043  Polygonum arenastrum Peter Rubtzoff 1961-8-22 4681 Sonoma Fife Creek Marsh. Comment
  RSA234544  Polygonum hydropiperoides Peter Rubtzoff 1960-9-14 4535 Sonoma Laguna de Santa Rosa, E of Graton, (between Occidental and Guerneville road) Comment
  CAS-BOT-BC109250  Polygonum paronychia Catherine Best 1981-5-2 s.n. Sonoma South side of the mouth of the Russian River. Comment
  POM225313  Polygonum punctatum J. T. Howell 1932-9-18 10770 Sonoma Kenwood Marsh near Kenwood Comment
  RSA518814  Polygonum punctatum Barbara J. Ertter 1988-11-5 8031 Sonoma Lake Sonoma 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  JEPS128353  Polypodium Roger Raiche 2000-5-5 083 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC72011  Polypodium californicum A. A. Heller 1902-5-23 5030 Sonoma Sonoma Creek at the foot of Mt. Hood Comment
  UC440181  Polypodium calirhiza Michener and Bioletti Mar 1892 Sonoma Adobe Canyon Comment
  UC440198  Polypodium scouleri Michener and Bioletti 1897-7-6 Sonoma Gualala Comment
  CAS-BOT-BC312688  Polypogon Peter Rubtzoff 1986-7-13 9723 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD51645  Polypogon interruptus Beecher Crampton 1964-8-18 7142 Sonoma The Geysers, Geyser Creek. Comment
  CAS-BOT-BC237412  Polypogon monspeliensis Peter Rubtzoff 1963-7-27 5217 Sonoma Lower Salmon Creek Marsh Comment
  UC505685  Polypogon monspeliensis C. R. and B. S. Ball 1933-5-30 2510 Sonoma Bodega Bay Comment
  SEINET10828403  Polypogon monspeliensis A. Arthur Heller 1902-6-7 Heller 5652 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC311810  Polypogon viridis Peter Rubtzoff 1973-8-20 7225 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  JEPS128379  Polystichum californicum Roger Raiche 2000-3-26 005 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1400815  Polystichum californicum Michener and Bioletti June, 1893 Sonoma Adobe Canyon Comment
  UC62818  Polystichum californicum J. Burtt Davy 1896-3-13 1661 Sonoma Cazadero Comment
  CAS-BOT-BC72164  Polystichum californicum G. DeNevers 1981-6-27 1671 Sonoma On a walk up through the Devil's Kitchen, Kellogg Ranch; starting from the bottom of the hill in Franz Valley, Comment
  UC1481826  Polystichum imbricans subsp. imbricans Milo S. Baker 1898-6-11 656 Sonoma Little Sulphur Creek Comment
  UC62824  Polystichum munitum J. Burtt Davy 1896-3-15 1675 Sonoma Fort Ross Comment
  CAS-BOT-BC72486  Polystichum munitum Irja Knight; Walter Knight 1964-11-15 1781 Sonoma Hood's Peak near Johnson Lake Comment
  CAS-BOT-BC102353  Populus alba Peter Rubtzoff 1972-8-25 6854 Sonoma San Antonio Creek on east side of Hwy 101 crossing Comment
  CAS-BOT-BC102668  Populus fremontii Peter Rubtzoff 1973-10-10 7335 Sonoma Forestville Marsh area, field ca. 25 yards from creek draining the Forestville Marsh Comment
  CAS-BOT-BC102670  Populus fremontii Peter Rubtzoff 1965-8-22 5609 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville) Comment
  CAS-BOT-BC272847  Potamogeton nodosus Peter Rubtzoff 1970-8-18 6312 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC257678  Potamogeton nodosus Peter Rubtzoff 1971-9-30 6716 Sonoma Spring Creek Reservoir area. Comment
  CDA836  Potamogeton nodosus P. F. Wright 1964-8-17 Sonoma Sherman Finch, Santa Rosa Soil Conservation, Santa Rosa. 0 Comment
  UC903040  Potentilla anserina subsp. pacifica Ethel Crum 1930-6-8 742 Sonoma one mi e Bodega Bay (bottom of gulch); e of Bodega Bay Comment
  RSA0084031  Potentilla uliginosa Milo S. Baker 1946-8-17 11550 Sonoma Cunningham Marsh within the fenced area (Camp Ground) ca 1.5 mi west of town of Cunningham, S.[?] Sonoma Co. on ranch owned by Mr. Uoit[?]. Comment
  UCD113975  Poterium sanguisorba Mary M. Hektner 1974-7-17 146 Sonoma Outside Kirkwood House on Pacific Reach Road, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC516398  Prosartes hookeri Volney Rattan 1877-6-25 s.n. Sonoma Near Cloverdale Comment
  UC1288498  Prunella Andrew P. Nelson 1960-8-3 646 -B Sonoma Pitkin Marsh Comment
  UCD125268  Prunella vulgaris Beecher Crampton 1955-6-17 2934 Sonoma 0.5 mile south of Guerneville. Comment
  SEINET12272809  Prunella vulgaris subsp. vulgaris A. P. Nelson 1961-1 646 1 C Sonoma At Pitkin Marsh Comment
  UC25627  Prunella vulgaris var. lanceolata J. Burtt Davy 1894-6-17 Sonoma Knights Valley Comment
  CAS-BOT-BC159826  Prunus angustifolia Peter Rubtzoff 1952-5-31 1107 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  UCD113175  Prunus cerasifera Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 75 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, 1/8 mile beginning of Hillside Trail (lower slope). 381 Comment
  CAS-BOT-BC159902  Prunus emarginata T. E. Rawlins 1942-9-1 s.n. Sonoma Fort Ross Comment
  CAS-BOT-BC154681  Prunus subcordata Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  RSA0060111  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. 100 Comment
  UCR255735  Prunus subcordata Greg de Nevers 1998-7-6 11298 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; Leslie Road 400 Comment
  CAS-BOT-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
  CAS-BOT-BC356922  Pseudognaphalium californicum Peter Rubtzoff 1951-8-25 670 Sonoma Hills southeast of Guerneville Comment
  CAS-BOT-BC357411  Pseudognaphalium microcephalum Walter Knight; Irja Knight 1963-9-15 300 Sonoma Los Alamos Rd, Santa Rosa Comment
  SBBG8250  Pseudognaphalium stramineum H. and M. Dearing 1939-5-14 3356 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  CAS-BOT-BC361622  Pseudognaphalium stramineum Volney Rattan No date on label s.n. Sonoma Guerneville Comment
  UCD135203  Pseudognaphalium stramineum P. G. Connors 1992-6-9 275 Sonoma Bodega Head and Dunes. Comment
  UC1134181  Pseudotsuga menziesii var. menziesii Mason 1932-7-19 120 Sonoma 1 mi nw of Los Alamos School; Santa Rosa Quadrangle 579 Comment
  SEINET5345373  Pseudotsuga menziesii var. menziesii L. Fallon 1939-1-6 s.n. Sonoma 1 mile north of Santa Rosa Comment
  UCR279641  Psilocarphus Peter Rubtzoff 1963-7-14 5203 Sonoma Laguna de Santa Rosa, east of Gratton 18 Comment
  UCD166219  Psilocarphus Peter Rubtzoff 1970-5-30 6250 Sonoma 5 miles north of Sear Point. Comment
  SEINET7067334  Psilocarphus tenellus var. tenellus A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles East of Windsor on Faught Road. Coordinate datum: NAD27. UTM Zone 10, 521654mE, 4261292mN. Comment
  CAS-BOT-BC72691  Pteridium aquilinum Peter Rubtzoff 1958-8-23 3906 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Road) Comment
  CHSC34599  Pteridium aquilinum var. pubescens Jeffrey D. Prouty 1979-4-12 211 Sonoma Ca. 7 mi n of Santa Rosa, e of Mark West Springs Rd. 243 Comment
  UC1481822  Pteridium aquilinum var. pubescens Mrs. Carlotta C. Hall June 1909 11 a Sonoma near Guerneville (n bank Russian River, Guernewood Park) Comment
  UCD100916  Pterostegia drymarioides P. G. Connors 1991-6-14 154 Sonoma University of California Bodega Marine Laboratory. Bodega Head and Dunes. Comment
  JEPS78472  Pyrola aphylla Edward Lee 1936-6-7 2207 Sonoma MacLaren Trail, Bohemian Grove Comment
  CAS-BOT-BC36524  Quercus Edw. L. Greene 1895-3-31 s.n. Sonoma Hills of Sonoma County Comment
  UCD45329  Quercus X chasei John Thomas Howell 1946-8-17 22859 Sonoma Lloyd Voit Ranch west of Cummingham, Sonoma County. Comment
  CDA23774  Quercus agrifolia D. G. Kelch 2006-10-4 06 .497-C Sonoma Entrance to Bouverie Reserve. 2 km N of Agua Caliente along Rte 12. Comment
  CHSC78080  Quercus agrifolia David Cherrtham 1998-6-26 34 Sonoma I street extension, Petaluma. 42 Comment
  UCD45136  Quercus agrifolia J. Adams; J. Weick 1993-5-8 258 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile. Tree; Rocky slope habitat south facing. Comment
  SEINET12029925  Quercus agrifolia W. Knight, Knight, I.; Howell, J. T. 1984-1 5086 Sonoma 1.85mi up Cavedale Rd from State Rt-12 244 Comment
  SEINET8981498  Quercus agrifolia L. Fallon 1939-1-6 s.n. Sonoma Santa Rosa Comment
  CDA12908  Quercus agrifolia var. agrifolia G. F. Hrusa, R. Gross 1996-3-31 12741 Sonoma North Coast Biodiversity Arena; On flats near residences of Foote Ranch, NE corner of Hwy 128 and Ida Clayton Rd. Approx. 10 m. N of Calistoga. Comment
  UCD151139  Quercus berberidifolia James A. Neilson Jr. 1973-6-6 2959 Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  UCSB1142  Quercus berberidifolia Keator, Glenn 1959-4-2 Sonoma 0.7 miles east on Cavedale road and 2.0 miles from Agua Caliente Comment
  POM188377  Quercus chrysolepis Marcus E. Jones 1931-8-3 28846 Sonoma Cloverdale. Comment
  UCD45472  Quercus chrysolepis Frederica Bowcutt 1994-6-12 1872 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. In Adobe Canyon just south of Adobe Canyon Road. Western trail ahead for Canyon Trail. Elev. 900', S facing, 15 degree slope. 274 Comment
  CAS-BOT-BC86005  Quercus douglasii Peter H. Raven 1955-8-27 8756 Sonoma 3.2 mi N of Sears Point on State Route 37 Comment
  SEINET12030398  Quercus dumosa W. Knight, Knight, I.; Howell, J. T. 1984-1 5104 Sonoma 2.8 mi up Cavedale Rd from Hwy-12 Comment
  SD88422  Quercus durata Darley F. Howe 1972-4-28 Sonoma Mt Hood Range, Trinity Road 395 Comment
  UCD101295  Quercus durata Daniel Sanchez-Mata; Tomas Santamaria 2008-7-13 s.n. Sonoma Healdsburg. Pine Flat Road from Road 128. Red Hill. Audubon Sanctuary. 970 Comment
  UCR148007  Quercus durata var. durata Frederica Bowcutt 1994-5-1 1752 B Sonoma Sugarloaf Ridge State Park, c. 50 air mi N of San Francisco and c. 10 air mi east of Santa Rosa; c. 1.5 air mi N of Kenwood; c. 18 air mi NW of Napa. Adobe Canyon along Goodspeed Trail c. 1/8 mi from trail head on Adobe Canyon Road 213 Comment
  RSA0089560  Quercus garryana Ann Howald 2015-4-1 3329 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage. 318 Comment
  UC1135603  Quercus garryana J. B. Spring 1932-7-8 100 Sonoma 1 mi n Sonoma; Napa Quad. 152 Comment
  UC1299700  Quercus garryana Freed W. Hoffman 1946-8-17 799 Sonoma Gilliam Creek, a branch of East Austin Creek North Coast Ranges, East Austin Creek Comment
  UCD46178  Quercus garryana Roman Gankin 1967-10-4 1078 2 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  CDA31848  Quercus kelloggii D. G. Kelch 2006-10-4 6 .496 Sonoma Entrance to Bouverie Reserve. 2 km N of Agua Caliente along Rte 12. Comment
  OBI14248  Quercus kelloggii Robert F. Hoover 1969-9-1 11570 Sonoma Comment
  UC1135382  Quercus wislizeni E. Armstrong 1934-3-26 908 Sonoma 1 mi w Camp Meeker; Sebastopol Quad. 152 Comment
  UCD14499  Quercus wislizeni Steven J. Barnhart 1995-2-1 s.n. Sonoma California, Sonoma Co.; Salt Point State Park east of Highway 1, near junction of fire road up to the meadow and the trail to the Pygmy Forest. Comment
  CAS-BOT-BC379157  Ranunculus aquatilis var. aquatilis Greg de Nevers 1987-2-28 8128 Sonoma Pepperwood Ranch Natural Preserve; 3500 Franz Valley Rd., Santa Rosa 00000000000000000000000 400 Comment
  CAS-BOT-BC378951  Ranunculus arvensis Peter Rubtzoff; H. A. Froebe 1971-5-30 6490 Sonoma dry bed of vernal pool 4.25 mi west of Glen Ellen on Bennett Valley Road Comment
  CHSC33026  Ranunculus californicus Jane A. Rogers 1979-4-14 6 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. Field. 27 Comment
  CDA24312  Ranunculus californicus T. C. Fuller 1977-4-21 20199 Sonoma North of the fence of the Church of Christ, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 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-BC378680  Ranunculus californicus var. californicus Walter Knight; Irja Knight 1964-3-9 563 Sonoma I. St. Extension about 1.5 mi from San Antonio Road Comment
  UCD19911  Ranunculus californicus var. crassifolius C. H. Lamoureux; J. M. Tucker, J. McCaskill, and S. Armstrong 1957-4-7 1192 Sonoma Duncan Point, Sonoma Coast State Park. 15 Comment
  UC634971  Ranunculus lobbii Carl V. Meyer 1929-3-24 Sonoma Santa Rosa Comment
  UC75778  Ranunculus lobbii Miss M. Alice King April, 1897 Sonoma near Healdsburg Comment
  UC1542900  Ranunculus occidentalis H. E. and S. T. Parks 1930-5-9 614 Sonoma Alexander Valley; on banks of stream entering valley Comment
  UCD151167  Ranunculus occidentalis var. occidentalis James A. Neilson Jr. 1974-3-27 3012 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  UC136318  Ranunculus orthorhynchus var. bloomeri Katharine Brandegee June 1905 Sonoma between Santa Rosa and Sebastopol Comment
  UC72899  Ranunculus orthorhynchus var. bloomeri Miss M. Alice King April, 1897 Sonoma near Healdsburg Comment
  UC1084417  Ranunculus pusillus G. Thomas Robbins 1937-5-23 181 Sonoma vernal pool near Wright School (between Santa Rosa and Sebastopol) Comment
  UC639127  Ranunculus pusillus G. Thomas Robbins 1937-5-23 181 Sonoma near Wright School (on hwy between Santa Rosa and Sebastopol, edge of vernal pool) Comment
  UCR242982  Ranunculus pusillus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  RSA534578  Ranunculus pusillus Peter Rubtzoff 1969-5-24 6063 Sonoma 6.5 miles SE of Penngrove, on Lichan Road. 427 Comment
  HSC6886  Raphanus sativus F. Demostene 1966-4-1 6 Sonoma 2 mi. E of Healdsburg Comment
  RSA289508  Rhamnus californica Edward Lee 1936-6-8 2213 Sonoma trail 3A (N Ridge to Smith Creek), Bohemian Grove Comment
  UCR42378  Rhamnus californica L. F. LaPre 1985-6-5 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  SEINET12210981  Rhamnus californica W. Knight, Knight, I. 1984-1 5005 Sonoma Gualala Point Regional Park, in picnic area with grand firs and Douglas firs 11 Comment
  CAS-BOT-BC55944  Rhamnus crocea G. DeNevers 1981-6-27 1695 Sonoma On a walk from Franz Valley Road up the main Creek draining the Devil's Kitchen and West along a chaparral ridge Comment
  UC1193389  Rhamnus tomentella subsp. tomentella R. H. Neuns 1950-5-20 100 Sonoma 6 mi e Geyserville 441 Comment
  CAS-BOT-BC53740  Rhododendron columbianum Mary P. Wells 1985-10-4 670 Sonoma pygmy forest south of Gualala River and east of Coast Highway Comment
  UC571040  Rhododendron macrophyllum Herbert L. Mason 1928-7-11 4894 Sonoma 2 mi n of Fort Ross Comment
  CAS-BOT-BC227427  Rhododendron occidentale G. F. Hrusa 1988-4-22 5567 Sonoma Cavedale Rd. between Hwy 12 and Hwy 29 300 Comment
  UC1084452  Rhododendron occidentale G. Thomas Robbins 1937-5-23 204 Sonoma 10 mi w of Santa Rosa (Vine Hill Region, Pitkin Ranch); Vine Hill Region, Pitkin Ranch Comment
  UCSB4804  Rhododendron occidentale Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners Comment
  CAS-BOT-BC200341  Rhododendron occidentale var. occidentale Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC200345  Rhododendron occidentale var. occidentale John H. Thomas 1955-5-22 5190 Sonoma Graton - Occidental Road, about 3.5 miles west of Occidental 60 Comment
  CAS-BOT-BC200349  Rhododendron occidentale var. occidentale Mary P. Wells 1984-8-8 433 B Sonoma Deer Trail Road north of present end. The Sea Ranch Comment
  CAS-BOT-BC200336  Rhododendron occidentale var. occidentale Walter Knight; Irja Knight 1964-2-27 557 Sonoma Ca. 2 mi. S. Gualala on hiway #1 Comment
  CDA38887  Rhododendron occidentale var. occidentale T. C. Fuller 1958-5-24 3987 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  RSA94071  Rhynchospora alba J. T. Howell 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111884  Rhynchospora californica Peter Rubtzoff 1951-7-1 343 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  UCD141235  Rhynchospora capitellata Peter Rubtzoff 1951-7-28 561 Sonoma Pitkin Marsh, near Forestville. Upper Marsh. Comment
  UCD141236  Rhynchospora globularis John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC111926  Rhynchospora recognita John Thomas Howell 1947-6-26 23313 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC169268  Ribes divaricatum Peter Rubtzoff 1957-4-28 3289 Sonoma Duncans Mills Marsh, at the edge of the upper part of the Marsh Comment
  CAS-BOT-BC169001  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1951-6-16 211 Sonoma Northern half of Lower Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC169005  Ribes divaricatum var. pubiflorum G. DeNevers 1981-5-2 908 Sonoma Conflluence of Leslie Creek and Mark West Creek, Pepperwood Ranch Comment
  CAS-BOT-BC212922  Ribes menziesii John Thomas Howell 1934-3-3 11737 Sonoma 8 miles south of Fort Ross Comment
  CAS-BOT-BC198922  Ribes roezlii var. cruentum A. A. Heller; H. E. Brown 1902-3-12 5037 Sonoma Sonoma Creek, Eastern Base of Mt. Hood Comment
  UC75454  Ribes roezlii var. cruentum Milo S. Baker 1903-3-20 Sonoma Hood Mt. Comment
  CHSC26437  Ribes sanguineum var. glutinosum P. Kunst 1977-4-12 22 Sonoma Large population, ca. 3 yd n of Coleman Valley Rd and 2.5 mi w of Occidental. 219 Comment
  UCSB2662  Ribes sanguineum var. glutinosum Keator, Glenn 1959-4-1 Sonoma Near lumber mill; 1.8 miles north of Fort Ross monument; on highway 1 Comment
  RSA141862  Ribes victoris A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UC79623  Ribes victoris Michener and Bioletti Apr. 1893 Sonoma Adobe Canyon Comment
  UC11671  Ribes victoris F. T. Bioletti Mar 1891 Sonoma Watson's Canyon Comment
  CAS-BOT-BC74698  Rorippa curvisiliqua Peter Rubtzoff 1958-7-19 3772 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC74710  Rorippa curvisiliqua Peter Rubtzoff 1970-5-30 6242 Sonoma 5 miles north of Sears Point. Comment
  UC398792  Rorippa curvisiliqua Katharine Brandegee Sonoma Duncan's Mills Comment
  POM140210  Rosa californica A. A. Heller 1902-7-10 5678 Sonoma Santa Rosa Comment
  CAS-BOT-BC251220  Rosa canina Peter Rubtzoff 1976-5-30 8565 Sonoma Kenwood Marsh. Comment
  POM187580  Rosa gymnocarpa Marcus E. Jones 1931-7-5 29009 Sonoma West of Cloverdale. Comment
  RSA96662  Rosa gymnocarpa Percy C. Everett, E. K. Balls 1954-10-20 20373 Sonoma 2 miles S of Lake-Sonoma Co. line. Road from Middletown to Mt. St. Helena. 701 Comment
  CAS-BOT-BC148196  Rosa rubiginosa Mary P. Wells 1985-9-13 653 Sonoma Field on ridge, east of Timber Ridge Road and north of Spring Meadow Road. The Sea Ranch Comment
  CAS-BOT-BC148203  Rosa rubiginosa John Thomas Howell 1930-6-8 5234 Sonoma Flat along stream, 4 miles east of Valley Ford. Comment
  CAS-BOT-BC262824  Rubus Peter Rubtzoff 1960-5-16 4357 Sonoma Duncans Mills Marsh; upper portion of the marsh. Comment
  UC12954  Rubus leucodermis J. Burtt Davy July 1896 Sonoma near Guerneville; near Guerneville Comment
  UCD113895  Rubus parviflorus T. E. Weier 1942-5-20 s.n. Sonoma Gualala River. Comment
  CAS-BOT-BC156663  Rubus spectabilis A. A. Heller; H. E. Brown 1902-3-29 5184 Sonoma Bodega Bay Comment
  UCR47956  Rubus spectabilis var. franciscanus D. Neubacher 1975-5-11 17 Sonoma Duncan Mills Campground in Duncan Mills Comment
  CAS-BOT-BC157174  Rubus ursinus Alice Eastwood 1915-6-29 4803 Sonoma Bodega Point Comment
  UCD17810  Rubus ursinus H. Olmo 8-10 May 1962 62 04 Sonoma California. Sonoma County: 1.4 miles from Bridgehaven Restaurant turnoff, heading north. Comment
  UCD114012  Rubus ursinus Loredo-Prendeville; Canon 1993-4-24 77 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. 381 Comment
  UCD17827  Rubus ursinus H. Olmo 8-10 May 1962 62- 12 Sonoma California. Sonoma County: near Lumber Company along Gualala River. Comment
  CAS-BOT-BC166917  Rumex Peter Rubtzoff 1959-9-12 4262 Sonoma Willow Creek Marsh. Comment
  RSA784602  Rumex Peter Rubtzoff 1964-7-29 5452 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC422233  Rumex acetosella Peter Rubtzoff 1951-7-21 511 Sonoma Pitkin Marsh, near Forestville. Area between the Upper and the Lower marshes. Comment
  CAS-BOT-BC422238  Rumex acetosella G. DeNevers 1981-5-30 1336 Sonoma Pepperwood Ranch. N of Hansel's corral. Comment
  CAS-BOT-BC421850  Rumex conglomeratus C. F. Leithold 1893-7-1 s.n. Sonoma Bennet [Bennett] Valley Comment
  UCD101133  Rumex crispus Frederica Bowcutt 1996-5-18 2121 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon, along Hillside Trail. Comment
  CAS-BOT-BC166746  Rumex fueginus Peter Rubtzoff 1958-9-27 4007 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  RSA785147  Rumex obtusifolius Peter Rubtzoff 1954-6-7 1480 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC433740  Rumex occidentalis Alice Eastwood 1921-5-8 10459 Sonoma Petaluma Comment
  SEINET12164394  Rupertia physodes F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -080 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  CAS-BOT-BC454116  Ruppia cirrhosa Peter Rubtzoff 1962-8-3 5033 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC445803  Sagittaria montevidensis Peter Rubtzoff 1970-8-18 6305 Sonoma 5 mi. north of Sears Point. Comment
  CHSC20711  Salicornia virginica Robert A. Schlising; G. Keator 1963-7-27 2628 Sonoma California Coast Range. Salt marsh near entrance to Bodega Head, east side of Bodega Peninsula. Comment
  CAS-BOT-BC290676  Salix Peter Rubtzoff 1973-10-10 7337 Sonoma Salmon Creek, 0.25 miles south of Freestone. Comment
  RSA0037216  Salix Peter Rubtzoff, James E. Eckenwalder 1974-4-6 7353 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC125946  Salix X rubens Milo S. Baker 1928-3-12 2734 b Sonoma Hawkins Residence Comment
  CAS-BOT-BC126268  Salix X sepulcralis Peter Rubtzoff 1952-3-23 905 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC126270  Salix X sepulcralis Peter Rubtzoff 1951-8-19 645 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC135955  Salix alba subsp. vitellina Walter Knight; Irja Knight 1987-3-16 6010 Sonoma Corner Adobe Rd. & Stage Gulch Rd. Comment
  CAS-BOT-BC103083  Salix bonplandiana Peter Rubtzoff 1966-9-10 5819 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC103088  Salix bonplandiana Peter Rubtzoff 1963-10-5 5292 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC103092  Salix bonplandiana Peter Rubtzoff 1960-5-29 4421 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  RSA534567  Salix bonplandiana Peter Rubtzoff 1953-5-16 1359 Sonoma Vacation Beach. Near Guerneville. along Russian River. Comment
  SEINET11998392  Salix bonplandiana W. Knight, Knight, I. 1988-1 6208 Sonoma Hacienda, along Russian River Comment
  POM106848  Salix exigua Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC103842  Salix exigua subsp. melanopsis Peter Rubtzoff 1952-6-15 1266 Sonoma Fitch Mtn., near Healdsburg. Bank of Russian River Comment
  UC453083  Salix exigua var. hindsiana W. A. Setchell 1931-7-25 4 Sonoma bed of Russian R. at Bohemian Grove near Monte Rio Comment
  UC453085  Salix exigua var. hindsiana W. A. Setchell 1931-7-25 6 Sonoma bed of Russian R. at Bohemian Grove near Monte Rio Comment
  CAS-BOT-BC106848  Salix hookeriana Mary P. Wells 1987-2-28 825 Sonoma West end of Moonraker Dr., The Sea Ranch Comment
  JEPS30834  Salix hookeriana Rimo Bacigalupi and L. R. Heckard 1962-6-19 8590 Sonoma just n Horseshoe Cove (near Bodega) Comment
  UC511618  Salix lasiandra subsp. lasiandra W. A. Setchell 1933-7-13 Sonoma Monte Rio Bohemian Grove (opposite iron warehouse on R.R.); , Monte Rio Comment
  CAS-BOT-BC128064  Salix lasiandra var. lasiandra John Thomas Howell 1932-9-18 10772 Sonoma Bank of slough draining Kenwood Marsh. Comment
  CAS-BOT-BC107256  Salix lasiolepis Greg de Nevers 1990-5-1 9663 A Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  UC453111  Salix lasiolepis W. A. Setchell 1931-8-1 25 Sonoma Jenner-by-the-Sea Comment
  UC482116  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UC66162  Salix lasiolepis A. A. Heller 1902-3 5096 Sonoma e Santa Rosa; Santa Rosa Creek Comment
  CAS-BOT-BC107356  Salix lasiolepis var. bigelovii A. A. Heller 1902-3-28 5177 Sonoma Bodega Bay Comment
  SBBG57920  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Russian River, Bohemian Grove, near Monte Rio Comment
  CAS-BOT-BC126180  Salix scouleriana Peter Rubtzoff 1961-10-23 4774 Sonoma Cunningham Marsh Comment
  LA210148  Salix scouleriana W. A. Setchell; 1934-7-10 9 Sonoma Ridge Highway, above Fort Ross Comment
  POM362927  Salix scouleriana Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental on Occidental Grade. Comment
  UC482057  Salix scouleriana Baker, Ball, Bracelin, and Crum 1931-5-9 342 Sonoma 2 km. e. Occidental (on Occidental grade) Comment
  CAS-BOT-BC128913  Salix sitchensis A. A. Heller 1903-4-23 6602 Sonoma Fort Ross Comment
  CAS-BOT-BC128947  Salix sitchensis Peter Rubtzoff 1969-8-31 6181 Sonoma Russian river margin at Forest Hills, 5.5 miles east of Guerneville Comment
  POM362960  Salix sitchensis Carleton R. Ball, H. P. Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 36 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  RSA5626  Salix sitchensis Carleton R. Ball, H. P. Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 36 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  SD985  Salix sitchensis Baker, Ball, Bracelin, Crum 1931-5-9 344 Sonoma About 2 km east of Bodega Bay, creek bed Comment
  SJSU218  Salix sitchensis Baker, Ball, Bracelin & Crum 1931-5-9 344 Sonoma c. 2 km E of Bodega Bay Comment
  UC453109  Salix sitchensis W. A. Setchell 1931-8-13 23 Sonoma 1 1/2 mi. in from Jenner-by-the-Sea (near Ferry Camp) Comment
  UC482069  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 344 Sonoma 2 km. e. Bodega Bay Comment
  CDA10856  Salvia sonomensis G. F. Hrusa, G. L. Stebbins 1994-4-8 11732 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  UC353929  Sanicula arctopoides Milo S. Baker 1928-4-14 2980 a Sonoma Coast near Bay Bay Comment
  UC1123191  Sanicula crassicaulis H. S. Yates 1934-4-21 3829 Sonoma 2 mi n of County Farm 243 Comment
  RSA178040  Sanicula laciniata R. F. Thorne 1965-4-20 34388 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  UCD114698  Sanicula tuberosa Christopher Mallek 2008-1 HC12- 13 Sonoma Hooker Canyon. 590 Comment
  HSC100945  Sanicula tuberosa Peter Warner, Patricia Chan 2011-3-12 181 Sonoma Annadel State Park, Canyon Trail, ~200 m upslope from 'big bend' in trail, near Woodview Drive. 176 Comment
  CAS-BOT-BC251239  Saponaria Peter Rubtzoff 1955-8-7 2028 Sonoma Guerneville Marsh. Comment
  RSA17703  Saxifraga californica Elmer I. Applegate 1934-3-25 8843 Sonoma Sausal Creek on road to Pine Flat. W slope of Mayacama Mountains. Comment
  JEPS26635 Image available Saxifraga mertensiana R. Bacigalupi 1948-3-6 2854 Sonoma 1 mi w of Skaggs Springs Comment
  POM142248  Saxifraga mertensiana Jos. Burtt Davy 1896-3-14 1667 Sonoma [Unspecified] Comment
  POM142444  Saxifraga mertensiana A. A. Heller 1903-4-24 6616 Sonoma Woods near Cazadero. Comment
  UCD161371  Saxifraga mertensiana James A. Neilson Jr. 1976-6-18 3986 Sonoma Mayacmas Mountains. Junction of Squaw Creek and Big Sulphur Creek. (Elevation and exact location estimated by label maker.) 731 Comment
  CAS-BOT-BC441179  Saxifraga mertensiana Milo S. Baker; et al 1926-4-14 179 a Sonoma Cliff near Yellow Larkspur Comment
  UC456049  Scabiosa atropurpurea I. J. Condit 1908-8-13 Sonoma Sebastopol Comment
  UC796641  Scandix pecten-veneris Ira L. Wiggins 1949-4-30 12059 Sonoma 6.8 mi e of Santa Rosa (on road to Calistoga) Comment
  CAS-BOT-BC422354  Schedonorus arundinaceus Peter Rubtzoff 1962-5-11 4823 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC111429  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1963-8-17 s.n. Sonoma Russian River Mouth Marsh Comment
  CAS-BOT-BC111430  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1962-10-1 5114 Sonoma Lower Salmon Creek Marsh in shallow water at the edge of Salmon Creek. 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
  RSA540070  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4573 Sonoma Bodega Harbor Marsh. Comment
  SD134065  Schoenoplectus mucronatus Peter Rubtzoff, Nancy Harrison 1974-9-7 7872 Sonoma Hinebaugh Creek in Rohnert Park, open wet ground of creek bed west of Commerce Blvd. crossing. Comment
  UCR255033  Schoenoplectus mucronatus Greg de Nevers 1997-9-29 11097 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC111660  Schoenoplectus mucronatus Peter Rubtzoff; Lucy Blake; Nancy Harrison; Betty Lovell 1979-7-15 9290 Sonoma Knights Valley. Pond on east side of Ida Clayton Road. Comment
  RSA90531  Schoenoplectus pungens Milo S. Baker 8611 Sonoma Sea beach at mouth of Salmon Creek Comment
  CAS-BOT-BC111802  Schoenoplectus pungens var. badius Walter Knight; Irja Knight 1963-8-13 176 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC111836  Schoenoplectus tabernaemontani Peter Rubtzoff 1955-7-9 1930 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC111841  Schoenoplectus tabernaemontani Peter Rubtzoff 1967-9-2 5878 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  JEPS86771  Scirpus microcarpus Jack and Betty Guggolz 1990-6-19 1069 Sonoma bed Maacamas Creek on the Ferrari-Carano Ranch about 12 km e Healdsburg; Maacamas Creek on the Ferrari-Carano Ranch, e of Healdsburg 70 Comment
  SEINET12050502  Scoliopus bigelovii F. H. Utech 1988-1 88 -233 Sonoma Stewarts Point, ca 1.5 mi E on Stewarts Point Rd (Skaggs Springs Rd) from junction with CA 1 40 Comment
  SEINET12058057  Scoliopus bigelovii F. H. Utech 1988-3-2 88 -013 Sonoma Stillwater Cove Park between CA 1 & Pacific Ocean, 4.5 mi N of Ft. Ross 10 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
  SEINET12058072  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -004 Sonoma ca 0.3 mi WNW of Camp Meeker on Bohemian Road along floodplain of Dutch Bill Creek 50 Comment
  SEINET12058073  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -004 Sonoma ca 0.3 mi WNW of Camp Meeker on Bohemian Road along floodplain of Dutch Bill Creek 50 Comment
  POM180691  Scrophularia californica J. T. Howell 1930-7-27 5392 Sonoma 1 mile north of Fort Ross. Comment
  UCD161244  Scrophularia californica James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3694 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
  UCR249337  Scrophularia californica Peter Rubtzoff 1953-5-16 1356 Sonoma Vacation Beach, near Guerneville, along Russian River 3 Comment
  UCR249357  Scrophularia californica Peter Rubtzoff 1960-5-22 4412 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  CAS-BOT-BC344882  Scrophulariaceae Peter Rubtzoff 1964-6-6 5355 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  UC733655  Sedum radiatum Dan Axelrod 1931-7-10 2 Sonoma on Fort Ross Road 3 mi n Cazadero (Ward Creek); , n of Cazadero Comment
  CAS-BOT-BC371431  Sedum radiatum subsp. radiatum Greg de Nevers 1997-4-17 10949 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC63942  Sedum spathulifolium John Thomas Howell 1930-6-8 5262 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC62202  Selaginella wallacei Greg de Nevers 1992-3-18 10090 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 475 Comment
  CDA31297  Selaginella wallacei D. G. Kelch 2010-5-3 10 .188 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UC769945  Selaginella wallacei R. F. Hoover 1941-5-14 5085 Sonoma 3 mi s Monte Rio (on rd. to Camp Meeker) Comment
  CAS-BOT-BC364219  Senecio sylvaticus Peter Rubtzoff 1969-8-14 6135 Sonoma Coleman Marsh Comment
  UCD18204  Senecio sylvaticus Joe Ditomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab, in sand dunes near housing facility. Comment
  RSA791558  Senecio vulgaris Peter Rubtzoff 1973-8-20 7220 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC364680  Senecio vulgaris Walter Knight; Irja Knight 1963-10-14 414 Sonoma Blomquist Ranch, Penngrove Comment
  UCD133859  Senecio vulgaris Frederica Bowcutt 1996-3-24 2077 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile south of Red Mountian. Along Lower Bald Mtn. Trail on first switchback. 441 Comment
  SEINET3876368 Image available Sequoia sempervirens K. Thorne 1984-11-23 3674 Sonoma Sea Ranch Hills above N end of ranch, 3 miles S of Gualala.; 0 Comment
  YM-YOSE15451  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 Miles South in Santa Rosa in Bennet Valley Comment
  UCR250224  Setaria parviflora Peter Warner 2013-8-12 295 Sonoma Green Valley Road, 0.15 mi east of junction with Bones and Maddocks Roads 87 Comment
  CAS-BOT-BC240153  Setaria pumila Peter Rubtzoff 1971-8-23 6657 Sonoma Meacham Road 0.35 mi. south of Stony Point Road Comment
  CDA2423  Setaria pumila T. C. Fuller 1961-10-13 7106 Sonoma North bank of San Antonio Creek, Hwy 101, just north of Marin Co., line. 0 Comment
  UCR275254  Sidalcea Peter Rubtzoff 1974-5-26 7497 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  CAS-BOT-BC290641  Sidalcea Peter Rubtzoff 1974-5-26 7497 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA0004218  Sidalcea calycosa Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan s Mills Comment
  CAS-BOT-BC187888  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-8-4 569 Sonoma Southern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  UC608489  Sidalcea diploscypha Beryl O. Schreiber 1934-5-14 1110 Sonoma near Fitch Mountain (Healdsburg); , near Fitch Mountain Comment
  UC871442  Sidalcea diploscypha Alice Eastwood 1915-6-5 4586 Sonoma Petrified Forest Comment
  SEINET11994390  Sidalcea diploscypha F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -162 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 120 Comment
  UCD116755  Sidalcea malachroides P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC205608  Sidalcea malviflora Walter Knight; Irja Knight 1964-2-27 534 Sonoma Hiway 1 - Rocky Point 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
  UCR250038  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 152 Comment
  RSA0020347  Sidalcea oregana subsp. valida Peter Rubtzoff 1979-7-15 9292 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 mi west of its junction with Franz Valley Road. Comment
  CAS-BOT-BC178689  Silene Peter Rubtzoff 1983-8-28 9678 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road. Comment
  CAS-BOT-BC258685  Silene Peter Rubtzoff 1962-6-21 4935 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  UCR253372  Silene gallica Peter Rubtzoff 1969-8-14 6134 Sonoma Along Salmon Creek, c. 0.5 mile upstream from Hwy #1 3 Comment
  CAS-BOT-BC392497  Silene gallica Peter Rubtzoff 1952-5-10 1020 Sonoma Bordering the Upper Marsh in the east. Comment
  RSA94642  Silene gallica Peter Rubtzoff 1952-5-10 1020 Sonoma Pitkin Marsh, near Forestville; bordering the Upper Marsh in the east. Comment
  UCSB50238  Silene gallica Gray, John 1976-5-1 Sonoma Bluff above Blind Beach State Beach; 1/2 miles west of Highway 1 60 Comment
  UC1745678  Silene multinervia Annetta M. Carter 1947-5-30 1841 Sonoma S slopes of Hood Mt. N of Milo S Baker residence Kenwood; Hood Mountain; S slopes of Hood Mt. N of Milo S Baker residence, Kenwood. Comment
  UC8454  Silene scouleri subsp. grandis Alice Eastwood 1900-7-4 Sonoma Bodega Point; ; Bodega Point, Sonoma Co. Comment
  CAS-BOT-BC75371  Sisymbrium officinale Peter Rubtzoff 1951-7-21 490 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh. Near the highway. 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
  UCSB11203  Sisyrinchium californicum Breedlove, Dennis 1961-10-31 Sonoma at base of cliff; at S side of mouth of Russian River 6 Comment
  SEINET3887843  Smilacina racemosa James Faro 1962-4-20 24 Sonoma About 5 miles North of Geurneville on the Old Cazadero Rd.; 0 Comment
  CAS-BOT-BC164411  Solanum Peter Rubtzoff 1962-7-14 4991 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC164415  Solanum Peter Rubtzoff 1960-9-14 4529 Sonoma Laguna de Santa Rosa, east of Graton (between Occidental and Guerneville Roads). Comment
  CAS-BOT-BC166972  Solanum Peter Rubtzoff 1954-9-6 1734 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC164419  Solanum Peter Rubtzoff 1971-8-9 6634 Sonoma Laguna, Chileno Valley. Comment
  RSA0030766  Solanum Peter Rubtzoff 1963-10-5 5287 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  NY751859  Solanum americanum L. R. Landrum 1992-12-26 7807 Sonoma Near Bodega Bay. 6 Comment
  CAS-BOT-BC83501  Solanum lycopersicum G. DeNevers 1992-10-15 10250 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd. 304 Comment
  UCD151249  Solanum xanti James A. Neilson Jr. 1974-4-24 2731 Sonoma Mayacmas Mountains. One mile north of Little Geysers. Steam well site. (Elevation estimated using Google Earth by label maker.) 1097 Comment
  SEINET11807361  Solidago occidentalis W. Knight, Knight, I. 1984-1 5428 Sonoma Willow Creek Rd 61 Comment
  UCR280137  Soliva sessilis Peter Rubtzoff 1971-5-8 6444 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive 137 Comment
  CAS-BOT-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-BC173670  Soliva sessilis Peter Rubtzoff 1963-5-26 5137 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC365957  Soliva sessilis G. DeNevers 1981-4-30 888 Sonoma Pepperwood Ranch. At Pippindale Garden. Also at Garrison House Comment
  RSA788954  Sonchus asper subsp. asper Peter Rubtzoff 1955-9-24 2153 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC236527  Sorghum bicolor Walter Knight; Irja Knight 1963-10-11 428 Sonoma Marshall Ave., Petaluma Comment
  CAS-BOT-BC236591  Sorghum halepense David L. Morgan 1956-7-7 s.n. Sonoma On Stage Gulch Road, 2 1/2 mi. NW of Lakeville Comment
  UC813854  Sparganium erectum subsp. stoloniferum Roxana S. Ferris 1937-8-18 9373 Sonoma mouth of Salmon Creek Bodega Bay (on Bodega Bay) Comment
  RSA477990  Spergula arvensis E. A. Purer 1932-7-21 16084 Sonoma Bodega Bay. Comment
  CAS-BOT-BC390046  Spergula arvensis Peter Rubtzoff 1952-3-23 880 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  CAS-BOT-BC390050  Spergula arvensis Mary P. Wells 1984-5-9 266 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CHSC12161  Spergula arvensis subsp. arvensis J. Grove 1973-4-15 80 Sonoma Collected 5.5 mi nw of Petaluma. 38 Comment
  CAS-BOT-BC258903  Spergularia Peter Rubtzoff 1955-8-7 2035 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC323963  Spergularia Peter Rubtzoff 1971-7-23 6614 Sonoma Laguna, Chileno Valley. Comment
  RSA0022382  Spergularia Peter Rubtzoff 1971-7-9 6597 Sonoma 5 miles north of Sears Point. 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
  SEINET11933368  Spergularia villosa W. Knight, Knight, I. 1984-1 5085 Sonoma near Gilardi's Resort, near Lakeville along Petaluma River Comment
  UC1222182  Spiranthes porrifolia Joseph P. Tracy 1950-5-24 18687 B Sonoma In field where the Knights Valley Road enters Alexander Valley (and leaves Muyacamas Creek). Comment
  CAS-BOT-BC534956  Spirodela punctata Peter Rubtzoff 1964-8-20 5466 Sonoma Pond one mile SE of Jenner (near crossing of Hwys. 1 and 12) Comment
  UCD167318  Stachys James Neilson 1977-6-7 3910 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
  RSA82588  Stachys ajugoides F. W. Peirson 1925-8-8 6341 Sonoma Roadside 6 miles south of Santa Rosa Comment
  UC1041056  Stachys ajugoides var. ajugoides J. W. Congdon 1880-7-25 Sonoma Petaluma Comment
  JEPS128255  Stachys albens Roger Raiche 2000-9-2 151 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD125776  Stachys chamissonis Mary M. Hektner 1974-6-3 17 -A Sonoma Sea Ranch. Near State Highway 1. Unit 24 Owners' Map. Comment
  POM80112  Stachys chamissonis Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan[s] Mills. Comment
  UC416576  Stachys pycnantha V. King Chesnut Aug 1887 Sonoma Santa Rosa Comment
  SEINET9365554  Stachys rigida Unknown 1994-5-25 Sonoma Bodega Head East Comment
  CAS-BOT-BC366880  Stachys stricta Greg de Nevers 1993-8-8 10485 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At marsh above Skovie, at base of Telegraph Hill. 400 Comment
  CAS-BOT-BC175334  Stellaria borealis subsp. sitchana Peter Rubtzoff 1951-6-30 307 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  SEINET10508398 Image available Stipa pulchra A. Arthur Heller 1902-4-9 Heller 5252 Sonoma In a railroad cut three miles S of Healdsburg Comment
  UCD167361  Streptanthus James A. Neilson Jr. 1979-6-26 3976 Sonoma Mayacmas Mountans. About 2 1/2 miles northwest of Socrates Mine, 1/4 mile south of highest knoll above the Geysers on ridge that divides Big and Little Sulphur Creeks. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC61146  Streptanthus barbiger Milo S. Baker 1946-7-4 11519 Sonoma Harrison Grade, 2 miles northeast of Occidental. Comment
  UC963908  Streptanthus barbiger Milo S. Baker 1947-7-15 11868 Sonoma ca 2 mi ne Occidental; Harrison Grade Comment
  UC1478046  Streptanthus brachiatus Charlie Patterson 1980-6-16 Sonoma ca 1 1/2 mi e Socrates Mine (near Lake Co. line) Comment
  UC1492709  Streptanthus brachiatus Freed W. Hoffman 1950-6-22 3379 Sonoma summit of ridge about 0.5 mi s Mercuryville (on road to Big Geysers); North Coast Ranges Comment
  UC1292753  Streptanthus glandulosus Freed W. Hoffman 1947-9-5 1085 Sonoma Dutch Bill Creek near Camp Meeker Comment
  UC1492788  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-24 3395 Sonoma headwaters of East Austin Creek North Coast Ranges, The Island Comment
  UC985968  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-5-22 Sonoma Gabe's Rock North Coast Ranges, Poole Ridge (1.0 mi nw of Guerneville) 213 Comment
  UC985964  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-5-24 2337 Sonoma Austin rd just above Great Eastern Quicksilver Mine (near Guerneville); North Coast Ranges Comment
  JEPS82296  Streptanthus morrisonii Roger Raiche 1983-7-4 30472 Sonoma above Gilliam Creek; East Austin Creek State Recreational Area, Morrison Ridge 304 Comment
  CAS-BOT-BC540812  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  UC1544808  Symphyotrichum chilense Almut G. Jones 1986-8-23 7252 Sonoma e of, along Hwy 116 Petaluma 300 Comment
  CAS-BOT-BC98564  Symphyotrichum lentum F. G. Krauss 1894-5-1 s.n. Sonoma Mountains near Calistoga Comment
  CAS-BOT-BC99379  Symphyotrichum subspicatum Peter Rubtzoff 1962-8-3 5018 Sonoma Atascadero Creek Marsh Comment
  UC1735312  Symphyotrichum subspicatum J. C. Semple, B. A. Suripto, T. Ahmed 1990-8-14 9329 Sonoma W of Glen Ellen, 6471 Sonoma Mountain Road Comment
  JEPS128335  Synthyris cordata Roger Raiche 2010-2-28 007 .10 Sonoma The Cedars. Campbell Ranch. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC221966  Taeniatherum caput-medusae G. DeNevers; M. Harding 1981-7-11 1755 Sonoma Pepperwood Ranch. Above Skovie 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
  UCD86173  Taeniatherum caput-medusae Freed W. Hoffman 1943-6-13 2035 Sonoma Geyser Peak road to Geysers. Comment
  UCD148394  Taraxacum Peter Rubtzoff 1958-4-26 3587 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD107009  Taraxia ovata W. P. Hackett 1960-4-10 16 Sonoma 0.9 mile on a gravel road from the intersection of Summerfield Road and Montgomery Drive on the outskirts of Santa Rosa. Comment
  UC1925913  Tetragonia tetragonoides Ethel Crum Oct 1930 872 Sonoma Petaluma marshes, Sonoma County, to Rio Vista, Solano County. Comment
  SEINET6934810  Thermopsis macrophylla var. argentata W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 1 mile west of Annapolis. Comment
  UC1611636  Thermopsis macrophylla var. macrophylla R. Spellenberg, N. Zucker 1994-6-9 12070 Sonoma 7 air mi se of Stewart's Point (2.3 mi s of Skagg's Springs on road to Plantation) Comment
  CAS-BOT-BC66803  Thysanocarpus curvipes John Thomas Howell 1929-6-9 4299 Sonoma 2 miles north of Sonoma. Comment
  CAS-BOT-BC66814  Thysanocarpus curvipes Karl H. Rechinger; J. T. Howell 1953-4-12 s.n. Sonoma Hills north of Sonoma. Comment
  RSA122895  Thysanocarpus curvipes var. curvipes E. Armstrong 1934-3-26 920 Sonoma 2 miles W of Camp Meeker. 122 Comment
  RSA0041614  Thysanocarpus curvipes var. elegans David D. Keck 1931-4-4 1099 Sonoma Santa Rosa Creek Canyon. 225 Comment
  CAS-BOT-BC67332  Thysanocarpus radians A. A. Heller; H. E. Brown 1902-4-8 5223 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC67335  Thysanocarpus radians John H. Thomas 1968-4-4 14268 Sonoma 2.8 miles northeast of highway 101 on road to Mark Springs West, along Mark Springs road. Comment
  JEPS128233  Torilis arvensis Roger Raiche 2000-5-28 115 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD128162  Torilis arvensis G. F. Hrusa; R. Gross 1999-6-12 15077 Sonoma Foote Ranch, corner of Ida Clayton Rd and Hwy 128, Knights Valley. Comment
  UCD151088  Torilis arvensis James A. Neilson Jr. 1973-6-3 3002 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  JEPS48379  Torreya californica Miss Alice Louise Griffin Sonoma Stewart's Point 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
  CAS-BOT-BC173708  Torreyochloa pallida var. pauciflora Peter Rubtzoff 1973-9-9 7320 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC169259  Toxicodendron diversilobum Peter Rubtzoff 1951-8-18 630 Sonoma Western branch of the Upper Marsh, Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC169263  Toxicodendron diversilobum G. DeNevers 1981-4-18 738 Sonoma Pepperwood Ranch Comment
  JEPS26840  Tragopogon dubius Rimo Bacigalupi 1961-5-21 7703 Sonoma se of Pinecrest school (within city limits of Sebastopol); Sebastopol 64 Comment
  RSA135372  Trichostema lanceolatum Volney Rattan 1877-6-25 s.n. Sonoma Cloverdale. Comment
  UCD125875  Trichostema laxum Herbert L. Mason 1946-7-4 12897 Sonoma 2 miles east of Occidental. 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-BC173625  Trifolium Peter Rubtzoff 1974-4-17 7374 Sonoma Upper Green Valley Marsh. Comment
  RSA784994  Trifolium Peter Rubtzoff 1974-5-25 7464 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC173629  Trifolium Peter Rubtzoff 1974-5-18 7430 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173630  Trifolium Peter Rubtzoff 1974-5-18 7429 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA784989  Trifolium Peter Rubtzoff 1974-5-18 7420 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA784990  Trifolium Peter Rubtzoff 1974-5-18 7421 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCSC010634  Trifolium R. Morgan 2014-5-12 5637 c Sonoma Bodega Head Comment
  UC249680  Trifolium amoenum Joseph P. Tracy 1921-5-13 5548 Sonoma near Petaluma; Northern Coast Ranges 15 Comment
  RSA32762  Trifolium amoenum A. A. Heller 1940-5-17 s.n. Sonoma Hwy 1, 2 miles west of Valley Ford Comment
  CDA15995  Trifolium angustifolium G. F. Hrusa, M. Gillogly 2000-7-26 15675 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Comment
  UC630864  Trifolium barbigerum C. V. Piper 1904-5-27 6350 Sonoma Petaluma Comment
  JEPS117087  Trifolium barbigerum Peter Warner 2010-4-15 130 Sonoma Jenner Headlands, Sonoma Land Trust property, along primary access road (Willig Ave. Extension), approx. 1 km N of Jenner village, in ultramafic grassland about 25 m E of road. Comment
  UC750533  Trifolium bifidum var. decipiens Lewis S. Rose 1947-5-9 47135 Sonoma Occidental Comment
  CAS-BOT-BC368053  Trifolium ciliolatum Greg de Nevers 1998-5-12 11250 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC573316  Trifolium ciliolatum B. Schreiber 1936-3-5 2211 Sonoma 2 mi w Mark West Springs; Healdsburg quad 121 Comment
  UCSC005301  Trifolium depauperatum Randall Morgan 1995-5-18 2627 Sonoma Windsor, Shiloh Road, west of Skylane Comment
  UC16480  Trifolium depauperatum var. depauperatum F. T. Bioletti 1892-1 Sonoma Comment
  UCD108803  Trifolium dichotomum A. A. Heller; H. E. Brown 1902-4-14 5290 Sonoma Near Mark West Springs. 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
  UC1541575  Trifolium fucatum H. E. and S. T. Parks 1930-5-9 608 Sonoma Knights Valley Comment
  SEINET12166390  Trifolium glomeratum H. K. Wagnon 1989-1 1886 Sonoma Adjacent to Fort Ross School's reservoir- Timber Cove 122 Comment
  POM313546  Trifolium grayi P. B. Kennedy 1929-5-25 10303 Sonoma Frick Ranch, Del Mar Comment
  UCD136316  Trifolium hirtum M. Rei Scampavia Evangelista 2012-5-19 7 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, travel down Pepperwood Road towards the Visitor Center. Take a left at the sign for the Betchel House. Follow signs on dirt roads that direct towards Three Tree Hill. Park at the top of Three Tree Hill, then take a bearing of 280 degrees for 250 meters. 408 Comment
  RSA633344  Trifolium incarnatum Michael A. Vincent, Ethan H. Freid, Karl Vincent 1998-4-7 8170 Sonoma Cloverdale. Along S. Cloverdale Blvd., just off Rt. 101 exit. Comment
  UCD111243  Trifolium incarnatum Michael A. Vincent; Ethan H. Freid 1998-4-7 8170 Sonoma Cloverdale. Along S. Cloverdale Blvd., just of Rt. 101 exit. Comment
  JEPS128265  Trifolium microcephalum Roger Raiche 2000-4-8 031 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC494183  Trifolium microcephalum H. E. and S. T. Parks 1930-5-9 612 Sonoma Knights Valley Comment
  UCD161356  Trifolium microcephalum James A Neilson Jr. 1976-5-5 3696 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road. Aidlin-Gloved Leasehold, ca. 300 yards uphill from well site #1. (Coordinates and location estimated by label maker.) Comment
  CAS-BOT-BC368065  Trifolium microdon Greg de Nevers 1998-5-26 11263 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  SEINET7096770  Trifolium microdon A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane off Occidental Road 1 mile east of Occidental. NAD27, 38? deg. 24' 25ao, -122?_ 55' 38ao (converted to WGS84 decimal degrees) UTM Zone 10, 566349mE, 4250771mN. Comment
  UCD151178  Trifolium microdon James A. Neilson Jr. 1974-4-16 2843 Sonoma Mayacmas Mountains. The Geysers. Near sulphur bank number 13, geothermal wells 1 and 3. (Elevation estimated using Google Earth by label maker.) 487 Comment
  CDA31340  Trifolium repens D. G. Kelch, Ed Biffin 2010-5-3 10 .212 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  RSA0079934  Trifolium repens Greg de Nevers 1998-6-20 11289 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Rogers Apple Orchard. 100 Comment
  UCD38484  Trifolium repens Beecher Crampton 1955-6-17 2936 Sonoma 1/2 mile south of Guerneville. Comment
  UC494185  Trifolium variegatum var. variegatum H. E. and S. T. Parks 1930-5-9 612 Sonoma Knights Valley Comment
  JEPS117130  Trifolium variegatum var. variegatum Peter Warner 2010-5-6 139 Sonoma Annadel State Park, in upland vernal pool ~250 m N of Canyon Trail, ~220 m W of Spring Creek, just S of old rock wall Comment
  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
  CAS-BOT-BC361340  Trifolium willdenovii Greg de Nevers 1997-4-24 10974 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC165494  Trifolium willdenovii Milo S. Baker 1898-4-26 693 Sonoma Santa Rosa Creek Canyon Comment
  UC165605  Trifolium willdenovii Milo S. Baker 1898-4 729 Sonoma Santa Rosa Creek canyon Comment
  UC165498  Trifolium willdenovii H. P. Chandler 1907-4-21 7525 Sonoma rd from Glen Ellen to Oakville Comment
  UC1057464  Trifolium wormskioldii G. Thomas Robbins 1937-5-23 197 Sonoma ca 10 mi w Santa Rosa (Pitkin Ranch); Vine Hill region 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
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May 25 2016
  UC1084348  Trillium albidum G. Thomas Robbins 1937-3-25 2 Sonoma Sonoma Creek Bennett Valley, Sonoma Creek Comment
  SEINET3888776  Trillium ovatum D. W. McNeal 1976-4-3 1883 Sonoma Beside the Occidental-Monte Rio Rd., 3.0 mi. n. of Occidental.; 0 Comment
  JEPS76913  Trillium ovatum subsp. ovatum Robert M. Lloyd 1963-2-24 2045 Sonoma abandoned picnic ground 0.5 mi. n. of Occidental on rd. to Camp Meeks 45 Comment
  CAS-BOT-BC521308  Trillium rivale Peter Rubtzoff 1953-5-18 1406 Sonoma Forested hills south of Guerville (Neeley Hill area). Comment
  UC1334893  Triphysaria L. D. Thurman 1964-4-24 434 Sonoma on State Hwy #128, 15 mi nw Calistoga Comment
  JEPS44411  Triphysaria eriantha subsp. eriantha Lewis S. Rose 1965-4-4 65018 Sonoma Sonoma 24 Comment
  JEPS77250  Triphysaria eriantha subsp. eriantha Robert M. Lloyd 1963-4-24 2389 Sonoma at Highway 12 and road to Oakdale 7.8 mi n Sonora 152 Comment
  JEPS15322  Triphysaria versicolor subsp. versicolor H. S. Yates 1934-4-21 3793 Sonoma near Bodega; Sebastopol Quad., near Bodega Comment
  JEPS45810  Trisetum canescens Eleanor Armstrong 1932-5-25 172 Sonoma near Camp Meeker 137 Comment
  RSA784396  Trisetum canescens Peter Rubtzoff 1958-5-30 3683 Sonoma Duncans Mill Marsh. At edge of the redwood forest bordering the marsh in west. Comment
  UCD93498  Trisetum canescens Beecher Crampton 1955-6-17 2950 Sonoma 4.5 miles S of Cazadero. Comment
  UCR143026  Triteleia hyacinthina Peter Rubtzoff 1971-6-5 6511 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  POM221986  Triteleia hyacinthina W. C. Merrill 1895-05 s.n. Sonoma Ross Station [or Marin Co.] Comment
  RSA264776  Triteleia hyacinthina Peter Rubtzoff 1971-6-5 6511 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Road. Comment
  UCD139297  Triteleia hyacinthina Mary M. Hektner 1975-6-3 198 Sonoma just south of Kuhn home on Pacific Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET190369  Triteleia laxa Annetta Carter, Ethel Crum 1941-6-22 1642 Sonoma 3.3 miles east of Bay (Bodega Bay) Comment
  RSA173356  Triteleia laxa Walter Knight 1965-6-5 1116 Sonoma McDowell Road 1/2 mile from Casa Grande Road. Petaluma Comment
  CAS-BOT-BC200492  Triticum aestivum David L. Morgan 1956-5-18 s.n. Sonoma On State Hiway #12, 5.4 mi. S. of Santa Rosa city limits Comment
  RSA187426  Ulex europaeus John H. Thomas 1966-3-22 11543 Sonoma In the vicinity of Bodega Comment
  UCD137872  Umbellularia californica C. Winstrom 1996-5-26 30 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  CAS-BOT-BC382824  Uropappus lindleyi G. DeNevers 1981-4-25 835 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  CAS-BOT-BC403982  Urtica dioica subsp. gracilis Peter Rubtzoff 1962-9-9 5080 Sonoma Brooks Gulch Marsh 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
  RSA155531  Urtica dioica subsp. holosericea L. S. Rose 1960-9-14 60095 Sonoma Laguna de Santa Rosa, 4 mi E of Graton. 15 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
  UC912416  Vaccinium parvifolium Herbert L. Mason 1928-7-11 4892 Sonoma 2 miles north of Fort Ross Comment
  UC558487  Veratrum fimbriatum Elizabeth E. Morse 1936-8-30 Sonoma Gualala River Comment
  CAS-BOT-BC154133  Verbascum Peter Rubtzoff 1951-9-3 735 Sonoma Vacation Beach, near Guerneville along Russian River Comment
  CAS-BOT-BC311856  Verbascum Peter Rubtzoff 1968-6-19 5891 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  SJSU10584  Verbascum virgatum L. J. Hendricks 1974-5-24 Sonoma N bank Russian R., 0.75 mi W of Healdsburg Comment
  UC25159  Verbena lasiostachys var. scabrida J. Burtt Davy 1894-12-9 865 Sonoma Kenwood Comment
  CAS-BOT-BC157680  Veronica Peter Rubtzoff 1959-4-18 4025 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of the Guerneville road crossing. Comment
  CAS-BOT-BC262805  Veronica Peter Rubtzoff 1974-9-7 7867 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  CAS-BOT-BC376218  Veronica Greg de Nevers No date on label 10836 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC166750  Veronica americana Peter Rubtzoff 1960-5-22 4409 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC262801  Veronica americana Peter Rubtzoff 1977-9-4 9127 Sonoma Cunningham Marsh area, ca. 1 air mile west-southwest of Cunningham Station. Comment
  RSA264764  Veronica anagallis-aquatica Peter Rubtzoff 1972-6-23 6782 Sonoma Laguna de Santa Rosa northeast of Graton, ca 0.5 mi north of Guerneville Road crossing. Comment
  SEINET12337135  Veronica anagallis-aquatica W. Knight, Knight, I. 1988-1 6255 Sonoma Hacienda about 1/4 mi below bridge across Russian River Comment
  UC1299208  Veronica peregrina subsp. xalapensis Freed W. Hoffman 1947-5-15 775 Sonoma near Guerneville (Lone Mountain Farm); North Coast Ranges, Lone Mountain Farm Comment
  UCR255736  Vicia benghalensis Greg de Nevers 1998-8-25 11307 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; along road to Weimar Flat 400 Comment
  RSA96839  Vicia dasycarpa Percy C. Everett, E. K. Balls, George B. Everett 1954-10-20 20381 Sonoma 0.6 mi. n.w. of Freestone on road to Occidental. 91 Comment
  SEINET4965652  Vicia gigantea Unknown 1994-4-3 69 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; vicinity of Sea Ranch Airstrip Comment
  UC673605  Vicia sativa subsp. nigra Herbert L. Mason 1926-3-20 2750 Sonoma s of Calistoga (marshes, along railroad right-of-way) Comment
  HSC15276  Vicia sativa subsp. sativa R. F. Good 1962-4-20 22 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes. Sonoma Mt. Coast Range. 46 Comment
  RSA247451  Vicia tetrasperma Peter Rubtzoff 1968-7-13 5916 Sonoma Upper Salmon Creek Marsh. Comment
  SBBG4792  Viola adunca H. and M. Dearing 1939-5-15 3388 Sonoma N of Fort Ross Comment
  UC1763358  Viola adunca Milo S. Baker 1899-5-6 5506 Sonoma near Sebastopol Comment
  UC1761580  Viola douglasii Mildred Greene 1926-4-1 Sonoma Santa Rosa Country Club golf links Comment
  UC1749379  Viola lobata Milo S. Baker 1937-4-18 8633 Sonoma Hope Valley north of Chamberlain's House, ca. 3/4 miles Comment
  UC19295  Viola lobata subsp. lobata W. H. Brewer 1864-1 3943 Sonoma near the Geysers (at Pine Mountain); Pine Mountain Comment
  UC35301  Viola ocellata J. Burtt Davy 1896-3-16 1680 Sonoma Cazadero Comment
  UC337767  Viola sempervirens unknown 1892-5-4 Sonoma Armstrong Park Comment
  UC1742250  Viola septentrionalis Milo S. Baker 1944-5-2 Sonoma Brookside Garden Comment
  SEINET10231068  Viscum album Unknown 1966-1-17 Sonoma Sebastopol Comment
  HSC95746  Vitis californica C. Wistrom 1996-5-26 25 Sonoma 1601 Dry Creek Rd. 49 Comment
  POM117433  Vitis californica Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UCD60314  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma On highway near Hilton, 2 miles E of Korbel on Russian River. Comment
  CAS-BOT-BC371450  Vulpia Greg de Nevers 1998-6-10 11282 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  CAS-BOT-BC199914  Vulpia bromoides Peter Rubtzoff 1951-7-7 372 Sonoma Eastern branch of the Upper Marsh Comment
  UC971688  Vulpia microstachys var. ciliata Leo Koch 1940-4-22 835 Sonoma Geysers; Sulfur Creek Canyon Comment
  UCD93733  Vulpia microstachys var. ciliata A. A. Beetle; G. L. Stebbins 1942-6-4 3586 Sonoma near Occidental. Comment
  UCD94740  Vulpia myuros Beecher Crampton 1955-4-11 2470 Sonoma Green Valley. Comment
  CAS-BOT-BC185832  Vulpia myuros subsp. megalura A. A. Heller 1902-6-10 5681 Sonoma Santa Rosa Comment