Search Results — 2000 specimen records retrieved (1256 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCR198015  Abronia latifolia Chris Chan 1991-3-5 04 Sonoma University of California Bodega Marine Lab 34 Comment
  SD125397  Abronia latifolia Robert Robichaux 1975-5-18 129 Sonoma Bodega Bay, northwest end of Bodega Head Comment
  CAS-BOT-BC203227  Abutilon Peter Rubtzoff 1972-5-25 6754 Sonoma Laguna, Chileno Valley Comment
  UCR255648  Abutilon theophrasti Greg de Nevers 1997-9-10 11087 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC177032  Acacia dealbata Walter Knight; Irja Knight; John Thomas Howell 1984-10-12 s.n. Sonoma Trinity Road 457 Comment
  UCD160512  Acaena novae-zelandiae Daniel Potter; T. Harrington, M. Harrington, P. Lash, T. Potter. 2013-10-24 701 Sonoma Salt Point State Park, along Highway 1 at mile marker 43.37. 56 Comment
  CAS-BOT-BC332754  Acer macrophyllum Peter Rubtzoff 1953-5-17 1383 Sonoma Neeley Hill area S of Guerneville Comment
  UC871945  Acer negundo var. californicum Martha Meagher 1947-3-22 98 Sonoma county road one-half mi w Freezeout Creek (across Russian River from Duncan's Mills); Russina River, w of Freezeout Creek Comment
  UC971946  Acer negundo var. californicum Martha Meagher 1947-3-22 99 Sonoma county road one-half mi w Freezeout Creek (across Russian River from Duncan's Mills); Russina River, w of Freezeout Creek Comment
  CAS-BOT-BC30082  Achillea millefolium Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  UC496396  Achillea millefolium Merle Randall 1930-6-10 Sonoma shore above mouth Russian River Comment
  UC891015  Achillea millefolium Milo S. Baker 1932-6-10 5879 Sonoma north of, next to beach Salmon Creek Comment
  RSA39636  Achillea millefolium P. A. Munz 1947-10-10 12217 Sonoma 2 miles north of Jenner 30 Comment
  RSA0000831  Achillea millefolium var. arenicola A. A. Heller 1902-5-27 5608 Sonoma Bodega Bay 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
  UCD151098  Acmispon James A. Neilson Jr. 1974-6-1 s.n. Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UCD161298  Acmispon glaber James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3709 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
  OBI12964  Acmispon glaber var. glaber Robert F. Hoover 1964-9-8 9288 Sonoma Timber cove Comment
  UCD104330  Acmispon parviflorus Helen K. Sharsmith 1963-5-25 5475 Sonoma Road from Freestone to Occidental. 121 Comment
  UCSB50219  Acmispon strigosus Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 18 Comment
  CAS-BOT-BC391713  Actaea rubra Mrs. E. C. Sutliffe 1928-7-18 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC29846  Adenocaulon bicolor Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC29849  Adenocaulon bicolor Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  UCR198233  Adenostoma fasciculatum Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .273 Sonoma Cavesdale Road 518 Comment
  CAS-BOT-BC361359  Adenostoma fasciculatum Greg de Nevers 1997-4-16 10938 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  UCSB40475  Adiantum aleuticum Takada, Brian 1978-5-28 Sonoma 20mi N of Bodego Bay on Hwy 1 Comment
  JEPS128363  Adiantum capillus-veneris Roger Raiche 2000-5-27 112 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET11720936  Adiantum jordanii F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -58 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  CAS-BOT-BC9072  Aegilops triuncialis Mary P. Wells 1987-7-7 892 Sonoma Spring Lake Park, Santa Rosa Comment
  CDA1673  Aegilops triuncialis T. C. Fuller 1960-6-14 4485 Sonoma J. Black Ranch, River Road, ca. 6 miles E/ Cloverdale. 0 Comment
  UCD51564  Aegilops triuncialis T. C. Fuller 1960-6-14 4485 Sonoma J. Black Ranch, River Road, 6 miles E/Cloverdale. Comment
  UC26063  Agastache urticifolia Michener and Bioletti 1892-7-5 Sonoma Skagg's Springs Comment
  CAS-BOT-BC29576  Agoseris apargioides var. eastwoodiae Rimo Bacigalupi 1928-6-18 1877 Sonoma At mouth of Salmon Creek, 2 miles south of Bodega Bay Comment
  CAS-BOT-BC22783  Agoseris heterophylla John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53989 Sonoma Fairfield Osborn Preserve of the nature Conservancy, 4.5 miles NW of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCD128662  Agoseris retrorsa Gerry North 1993-4 53 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. On Bald Mountain Trail 0.5 mile above fork of Bald Mountain and Meadow trails. 457 Comment
  CAS-BOT-BC176392  Agrostis Peter Rubtzoff 1967-8-22 5854 Sonoma SE of Lower Salmon Creek Marsh Comment
  CAS-BOT-BC209998  Agrostis Peter Rubtzoff 1967-8-22 5855 Sonoma SE of Lower Salmon Creek Marsh Comment
  CAS-BOT-BC210011  Agrostis Peter Rubtzoff 1968-7-13 5918 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC331480  Agrostis Peter Rubtzoff 1970-9-3 6377 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek Crossing. Comment
  RSA785905  Agrostis Peter Rubtzoff 1967-8-22 5855 Sonoma SE of Lower Salmon Creek Marsh Comment
  RSA785906  Agrostis Peter Rubtzoff 1968-6-19 5889 Sonoma Forest Hills (5.5 miles east of Guerneville). Comment
  RSA785929  Agrostis Peter Rubtzoff, H. A. Froebe 1971-5-30 6501 Sonoma 4.25 miles W of Glen Ellen on Bennett Valley Road. Comment
  RSA785931  Agrostis Peter Rubtzoff 1973-7-24 7195 Sonoma Upper Green Valley Marsh. Comment
  UCR244617  Agrostis Peter Rubtzoff 1967-8-22 5857 Sonoma Southeast of lower Salmon Creek Marsh 4 Comment
  UCD51844  Agrostis blasdalei Beecher Crampton 1957-7-11 4352 Sonoma above Blind Beach just south of Goat Rock, Sonoma Coast State Park, 9 miles north of Salmon Creek. Comment
  UCR118992  Agrostis blasdalei Beecher Crampton 1957-7-11 4340 Sonoma Central Coast, 2.5 miles north of Salmon Creek, Sonoma Coast State Park, along State Highway 1 61 Comment
  SEINET3916084  Agrostis blasdalei Beecher Crampton 1957-7-11 4330 Sonoma 0.9 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1.; 0 Comment
  UCD37156  Agrostis densiflora Beecher Crampton 1957-7-11 4350 Sonoma Sonoma County, 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  UCD51886  Agrostis densiflora Beecher Crampton 1957-7-11 4336 Sonoma Sonoma Coast State Park, 1.7 miles north of Salmon Creek. Comment
  CAS-BOT-BC126966  Agrostis exarata A. A. Heller 1902-6-4 5641 Sonoma Santa Rosa. Comment
  CAS-BOT-BC126973  Agrostis exarata John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  JEPS97573  Agrostis exarata R. D. Stone 1983-6-16 554 Sonoma the Little Geysers, upper Big Sulphur Creek drainage 701 Comment
  OBI22553  Agrostis exarata Robert F. Hoover 1966-7-17 9415 Sonoma Sausal Crk N of Alexander Valley Comment
  UC1146630  Agrostis exarata Freed W. Hoffman 1941-6-29 2069 Sonoma Sonoma Mountain Road North Coast Ranges Comment
  CAS-BOT-BC139550  Agrostis gigantea David L. Morgan 1955-7-18 s.n. Sonoma 5th Street, Petaluma. Comment
  UC1011207  Agrostis hallii Virginia Bufford 1936-5-21 370 Sonoma near Skaggs Springs Comment
  UCD160916  Agrostis hallii James A. Neilson Jr. 1975-7-24 3060 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 792 Comment
  UCD36302  Agrostis hallii Beecher Crampton 1953-5-19 1298 Sonoma Sonoma County, 5 miles west of Calistoga, on Highway 128, at Napa Coutny line. Comment
  UCD52712  Agrostis hallii Beecher Crampton 1957-7-11 4299 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  CAS-BOT-BC138856  Agrostis microphylla Beecher Crampton 1966-5-10 7727 Sonoma 6.5 miles north of Sonoma, State Highway 12. Comment
  UCD33495  Agrostis microphylla Beecher Crampton 1969-7-14 8494 Sonoma Sonoma County, The Geysers, 12 miles (direct line) east of Colverdale. 493 Comment
  UCD53067  Agrostis microphylla var. intermedia L. Whitney 1935-4-14 2258 b Sonoma Blunden's Pasture near Occidental. Comment
  UCD53069  Agrostis microphylla var. intermedia L. Whitney 1935-4-14 2258 b Sonoma Blunden's Pasture near Occidental. Comment
  CAS-BOT-BC138912  Agrostis pallens Roxana S. Ferris; Laura Lorraine 1961-6-15 13568 Sonoma About 1/8 mile beyond County Dump. Comment
  CAS-BOT-BC138915  Agrostis pallens R. F. Hoover 1965-6-29 9477 Sonoma North of summit on Harrison Grade road near Occidental. Comment
  UC1023594  Agrostis scabra Virginia Bufford 1936-5-20 346 Sonoma 3 mi from Mark West (Kellogg Mark West Rd) Comment
  SEINET4342106  Agrostis stolonifera J. B. Davy 1899-7-22 6003 Sonoma Guerneville Comment
  UC50680  Aira Michener and Bioletti May 1892 Sonoma S. Los Guilicos Comment
  UCD55780  Aira caryophyllea Chris Bowen 1976-5-18 126 Sonoma Unit 24 Owners' Map. Sea Ranch. Near State Highway 1. Comment
  SEINET3917482  Aira praecox Fred W. Hoffman 1944-5-22 1992 Sonoma Cruz Ranch, Sonoma Coast near shore.; 0 Comment
  CAS-BOT-BC182739  Alisma Peter Rubtzoff 1970-8-5 6297 Sonoma Five miles north of Sears Point Comment
  CAS-BOT-BC445336  Alisma lanceolatum Peter Rubtzoff 1954-7-4 1528 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC445347  Alisma lanceolatum Peter Rubtzoff 1962-9-9 5074 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC445467  Alisma triviale Peter Rubtzoff 1962-7-28 5011 Sonoma Ross Marsh area. Green Valley Creek bank near Ross Station Rd. crossing. Comment
  CAS-BOT-BC462381  Allium amplectens Milo S. Baker 1927-6-10 2211 a Sonoma Macartney Woods Comment
  JEPS88972  Allium dichlamydeum H. P. Chandler 1920-5-25 718 Sonoma Bodega Bay Comment
  UCD150550  Allium dichlamydeum P. G. Connors 1991-7-3 193 Sonoma Bodega Marine Laboratory, Bodega Head and Dunes. Comment
  CAS-BOT-BC469102  Allium dichlamydeum Milo S. Baker 1932-5-3 5948 Sonoma 1 mile north of Salmon Creek Comment
  CAS-BOT-BC469105  Allium dichlamydeum John H. Thomas 1976-6-15 18323 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC478830  Allium vineale Greg de Nevers 1994-6-29 10527 Sonoma On road below Red Corral, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 457 Comment
  UCD138618  Allium vineale G. D. Barbe 1974-4-29 1782 Sonoma 1 mile south of Washington School Road on Asti Road, Asti. Comment
  CAS-BOT-BC169363  Alnus rubra Peter Rubtzoff 1957-6-28 3386 Sonoma Duncans Mills Marsh, upper part of the marsh Comment
  RSA800594  Alnus rubra Peter Rubtzoff 1969-7-21 6118 Sonoma Duncan Mills Marsh. Comment
  UCD110038  Alnus rubra B. Crampton 1957-7-22 4369 Sonoma Above Fisherman's Bay, 0.3 miles south of Stewart's Point. Along State Hwy. 1. Comment
  CAS-BOT-BC138049  Alopecurus aequalis var. sonomensis J. W. Congdon 1880-6-6 s.n. Sonoma Bloomfield. 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
  POM223643  Amaranthus retroflexus L. S. Rose 1935-9-11 35625 Sonoma 2 mi N of Healdsburg 40 Comment
  SEINET5710304  Ambrosia chamissonis Michael Fleschner 1965-1 s.n. Sonoma University of California Marine Biology Laboratory, Bodega Bay.; Bodega Bay Comment
  POM161247  Ambrosia chamissonis var. chamissonis Rimo Bacigalupi 1928-6-18 1899 Sonoma Beach at mouth of Salmon Creek, 2 miles N of Bodega Bay. Comment
  CAS-BOT-BC135667  Amelanchier utahensis A. A. Heller 1903-4-24 6617 Sonoma Woods near Cazadero Comment
  UC1127783 Image available Amelanchier utahensis E. Armstrong 1934-3-26 942 Sonoma 3 mi e Camp Meeker; Sebastopol Quad. 91 Comment
  SEINET3917971  Ammophila arenaria K. Thorne 1984-11-21 3659 Sonoma Sea Ranch, 2.5 mi S of Gualala, stabilized coast dunes old sheep ranch.; 0 Comment
  UCD56000  Ammophila arenaria Freed W. Hoffman 1941-6-22 2086 Sonoma North Coast Ranges, Sonoma Coast, Death Rock Beach. Comment
  CAS-BOT-BC361327  Amorpha californica Greg de Nevers 1997-8-17 11081 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  CAS-BOT-BC177228  Amorpha californica var. napensis Dr. W. B. Stephens s.n. Sonoma Near Calistoga west of Petrified Forest Comment
  CAS-BOT-BC177231  Amorpha californica var. napensis Brandegee 1893-7-1 s.n. Sonoma Cazadero Comment
  POM194542  Amorpha californica var. napensis Anonymous 1929-6-2 s.n. Sonoma Near Mark [?] West Springs Comment
  UCD104617  Amorpha californica var. napensis J. M. Tucker 1977-6-16 4397 Sonoma On upper Barnes Creek, in southern part of Shurtleff Ranch off Chalk Hill Road to the east, ca. 4 miles (airline) northeast of East Windsor (or ca. 10 miles, airline, north-northwest of Santa Rosa). 152 Comment
  UC1178201  Amsinckia intermedia Francia Chisaki with R. Ornduff and H. G. Baker 1958-4-26 1122 Sonoma on road to Calistoga (2.9 mi n of junction with Hwy #12, junction e of Santa Rosa) Comment
  UCD35298  Amsinckia intermedia Beecher Crampton 1955-4-5 2423 Sonoma Along State Highways 37, 12, about 3 miles east of Schellville. Comment
  SEINET7067241  Amsinckia lycopsoides A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head. Coordinate datum: NAD27. Comment
  UC79320 Image available Amsinckia lycopsoides Katharine Brandegee 1905-6-25 Sonoma Bodega Head Comment
  CHSC3152  Amsinckia spectabilis Dona Kingsford 1966-4-6 Sonoma Petaluma-Valley Ford Road 3.5 miles SW. of Bodega City. 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
  CAS-BOT-BC45083  Anaphalis margaritacea Mary P. Wells 1981-7-1 s.n. Sonoma Moonraker Road east of Coast Highway, The Sea Ranch Comment
  POM188278  Andropogon glomeratus Marcus E. Jones 1931-7-5 92909 Sonoma The Geysers. Comment
  CAS-BOT-BC137818  Andropogon glomeratus var. pumilus Walter Knight; Irja Knight 1968-1-1 2265 Sonoma Across footbridge from old bathouse on Sulphur Creek. Geysers Resort. Comment
  RSA296042  Angelica californica J. M. DiTomaso 1980-6-13 1599 Sonoma Trinity Rd. between Glen Ellen and Oakville 1494 Comment
  SD109160  Angelica californica Joseph M. DiTomaso 1980-6-13 1592 Sonoma 4900 Trinity Road, between Glen Ellen and Oakville Comment
  CAS-BOT-BC221431  Angelica hendersonii Walter Knight; Irja Knight 1963-8-13 166 Sonoma Horseshoe Cove Comment
  UCD128891  Anisocarpus madioides F. Bowcutt; Jeff Kennedy, Jolie Henricks 1994-5-1 1758 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles northwest of Napa, 1.5 air miles northeast of Kenwood. In Adobe Canyon north of Sugarload Ridge along the Goodspeed Trail, 200 yards from the trail head on Adobe Canyon Road and just east of Bear Creek, 5 yards north of confluence with Sonoma Creek. 198 Comment
  CAS-BOT-BC271431  Anisocarpus madioides Dorothy Scherer 1997-5-6 106 Sonoma Along forest trail northerly from Fort Ross Rd. and .6 mi. west of Seaview Road, Fort Ross State Historic Park 365 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
  UCD166185  Anthemis cotula Peter Rubtzoff 1969-8-14 6133 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  CAS-BOT-BC102233  Anthemis cotula Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  UCD148326  Anthemis cotula Peter Rubtzoff 1954-7-27 1566 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC137771  Anthoxanthum aristatum L. Beane; Lois E. James 1949-5-11 1942 Sonoma About half way between Healdsburg and Windsor. Comment
  RSA26260  Anthoxanthum aristatum Alice Eastwood, J. T. Howell 1936-5-19 2506 Sonoma 2 miles north of Windsor Comment
  UC589907  Anthoxanthum aristatum Milo S. Baker April 1936 Sonoma n of Windsor ( Healdsburg); Healdsburg Comment
  CDA10949  Anthoxanthum odoratum G. F. Hrusa, G. L. Stebbins 1994-3-28 11707 Sonoma North Coast Biodiversity Arena; Fisk Mill Parking Area, Salt Point State Park. Open site on very steep cliffs above ocean. Growing on alluvium. Perennial, uncommon here. 7 Comment
  SD56677  Anthoxanthum odoratum Darley F. Howe 1963-7-3 3594 Sonoma 20 miles north of junction with Highway 12 on Highway 1. Comment
Read comments
Feb 6 2010
  UCD151205  Anthoxanthum odoratum James A. Neilson Jr. 1974-7-10 2819 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  SEINET3918446  Anthoxanthum odoratum Fred W. Hoffman 1941-6-15 2150 Sonoma North Coast Ranges. Eckert Ranch near Salt Point, Sonoma Coast.; 0 Comment
  UCR44914  Antirrhinum vexillocalyculatum L. F. LaPre 1986-6-5 s.n. Sonoma Dorr Place, 4 mi up a private road from Mannings Flats in Austin Creek State Recreation Area, 6 mi north of Cazadero on upper Austin Creek 207 Comment
  JEPS103955  Antirrhinum vexillocalyculatum subsp. breweri Jack and Betty Guggolz 1991-6-20 1193 Sonoma ridge running W from an old homesite, about 1 1/4 mi N of Camp Meeker 161 Comment
  JEPS78899  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Edward Lee 1936-6-8 2212 Sonoma Bohemian Grove; Trail 3A (North Ridge to Smith Creek) Comment
  UC1012383  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Francis W. Pennell Jul 2 1940-Jul 3 1940 26038 Sonoma ne of Kenwood Springs 304 Comment
  POM133220  Apiastrum angustifolium C. F. Baker 1892-1 s.n. Sonoma [Unspecified] Comment
  RSA0056423  Apiastrum angustifolium Greg de Nevers 1997-4-16 10934 Sonoma Cavedale Road. 152 Comment
  UC1299575  Apocynum androsaemifolium Freed W. Hoffman 1947-7-29 1418 Sonoma near Guerneville Guerneville (Gabe's Rock); North Coast Ranges, Gabe's Rock Comment
  UC465565  Aquilegia Milo S. Baker 1903-10-1 Sonoma along grade to Clayton Place Hood Mt. Comment
  CAS-BOT-BC394989  Aquilegia formosa D. E. Breedlove 1980-6-28 44802 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC394991  Aquilegia formosa Peter Rubtzoff 1952-6-13 1254 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC17342  Arabis blepharophylla A. A. Heller; H. E. Brown 1902-3-29 5178 Sonoma Bodega Head. Comment
  RSA0125531  Arabis blepharophylla A. A. Heller, H. E. Brown 1902-3-29 5178 Sonoma Bodega Bay. Comment
  CAS-BOT-BC171645  Aralia californica Greg de Nevers 8239 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD128215  Aralia californica K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC171610  Aralia californica Dorothy Scherer 1997-5-6 098 Sonoma Fort Ross Cr, halfway between Hwy. One and ocean, Fort Ross State Historic Park 7 Comment
  SEINET11987357  Arbutus menziesii W. Knight, Knight, I. 1981-1 3982 Sonoma 5.2 mi up Cavedale Rd from jct of State Rt #12 Comment
  CHSC69208  Arctostaphylos James D. Jokerst 1989-4-14 3098 Sonoma Healdsburg Area A Specific Plan Study, in project area, NE corner of project area. Comment
  JEPS98814  Arctostaphylos James B. Roof, Walter Knight, Irja Knight 1967-3-19 Sonoma near Pitkin Marsh (Jones Christmas Tree Farm, near Vine Hill Road) Comment
  RSA629223  Arctostaphylos Jon E. Keeley 1993-9-11 24776 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1042348  Arctostaphylos Lewis S. Rose 1955-2-14 55000 Sonoma Forestville 22 Comment
  CAS-BOT-BC24090  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10957 Sonoma 2 miles east of Occidental Comment
  CAS-BOT-BC25322  Arctostaphylos bakeri Gladys L. Smith 1977-3-30 4652 Sonoma Summit area of Harrison Grade, serpentine outcrop 457 Comment
  OBI14769  Arctostaphylos bakeri Robert F. Hoover 1968-2-23 10896 Sonoma Harrison Grade road near summit Comment
  CDA38595  Arctostaphylos bakeri Jim Jokerst, Virginia Getz 1988-3-16 3049 Sonoma Healdsburg near water reservoir across highway from Simi Winery. 0 Comment
  CDA980  Arctostaphylos bakeri subsp. bakeri D. G. Kelch 2006-6-24 6 .324 Sonoma On serpentine along Harrison Grade. Comment
  POM259285  Arctostaphylos bakeri subsp. bakeri Alice Eastwood, John Thomas Howell 1939-4-2 7376 Sonoma Near Camp Meeker on road to Monte Rio. Comment
  RSA164630  Arctostaphylos bakeri subsp. bakeri Percy C. Everett 1963-11-21 24566 Sonoma Harrison Grade, northeast of Occidental. 76 Comment
  RSA240619  Arctostaphylos bakeri subsp. bakeri C. W. Tilforth, John Dourley 1973-7-18 909 Sonoma Graton Rd. 1 mi E of Occidental Comment
  UCD51783  Arctostaphylos bakeri subsp. bakeri Roger Raiche 1985-9-29 RR 50899 Sonoma Northeast end of town of Healdsburg on Reservoir Hill. 121 Comment
  RSA622724  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24767 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UCD160915  Arctostaphylos canescens James A. Neilson Jr. 1975-7-31 2951 Sonoma Mayacmas Mountains. One-quarter mile southwest of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  RSA164627  Arctostaphylos canescens subsp. canescens P. C. Everett 1963-11-21 11807 Sonoma Rincon Ridge, now Robt. Sones' residence, ca. 3 mi. ne. of Sasnta Rosa. 145 Comment
  CAS-BOT-BC23890  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12895 Sonoma Rincon Ridge ne of Santa Rosa Comment
  CAS-BOT-BC23895  Arctostaphylos canescens subsp. sonomensis H. F. Copeland 1933-3-18 A 12 Sonoma Rincon Ridge, north of Santa Rosa Comment
  CAS-BOT-BC23898  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1933-4-2 10945 Sonoma Rincon Ridge, near Santa Rosa Comment
  JEPS73686  Arctostaphylos canescens subsp. sonomensis L. R. Heckard 1968-2-25 1754 Sonoma along Cavedale Road about 5 mi from its junction with Sonoma-Kenwood Road (western slope of Hooker Canyon (head of)); w slope of Hooker Canyon (head of) 548 Comment
  UC549708  Arctostaphylos canescens subsp. sonomensis J. E. Adams 1935-3-1 1023 Sonoma e Sta. Rosa; Rincon Ridge Comment
  SEINET11989282  Arctostaphylos canescens var. sonomensis W. Knight, Knight, I. 1982-1 4443 Sonoma Tilden Botanic Garden, Berkeley, originally from Rincon Ridge Comment
  CAS-BOT-BC23868  Arctostaphylos columbiana Mary P. Wells 1983-8-3 s.n. Sonoma The Sea Ranch, timber preserve of Oceanic of California, Inc. Comment
  CAS-BOT-BC24991  Arctostaphylos densiflora M. S. Baker 1928-4-18 5045 Sonoma Near Vine Hill Schoolhouse. Comment
  LA42171  Arctostaphylos densiflora E. B. Copeland; 1933-3-18 A 5 Sonoma near Vine Hill School House Comment
  POM204431  Arctostaphylos densiflora J. T. Howell 1931-3-14 5770 Sonoma Vine Hill District Comment
  RSA32906  Arctostaphylos densiflora A. A. Heller 1941-3-2 15881 Sonoma about 9 miles west of Santa Rosa on roadside banks just west of the Vine Hill Schoolhouse Comment
  SEINET2028697 Image available Arctostaphylos densiflora H. F. Copeland 1933-3-18 a 5 Sonoma Near Vine Hill school house Comment
  UC1093995  Arctostaphylos densiflora Lewis S. Rose 1955-2-28 55003 Sonoma 9 mi w Santa Rosa (type locality); Vine Hill Comment
  UCD23476  Arctostaphylos glandulosa Alan T. Whittemore 1976-5-31 134 Sonoma Hwy 1 about 2 mi. south of Salt Point State Park and north of Fort Ross. Comment
  RSA631195  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24734 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  POM131612  Arctostaphylos glandulosa subsp. glandulosa A. A. Heller, H. E. Brown, A. H. Heller 1902-3-27 10651 Sonoma Western base of Mt. Hood. Comment
  UC1120213  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-3-8 1575 Sonoma 1 1/2 mi n County Farm; Santa Rosa Quadrangle, Ricon Ridge Comment
  RSA631196  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24732 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC39108  Arctostaphylos hispidula Walter Knight; Irja Knight; Stephen W. Edwards 1985-1-27 5172 Sonoma South-facing slope of ridge barrens south of Mt. Tom. 5.1 miles west on Kelly Road from Rockpile Road junction. 609 Comment
  CAS-BOT-BC38993  Arctostaphylos manzanita Roger Raiche 1982-11-21 20862 Sonoma Serpentine ridge above Gilliam Creek, East Austin Creek State Rec. Area Comment
  HSC83403  Arctostaphylos manzanita D. L. Koutnik, Mary Barbercheck 1981-6-18 Sonoma Austin Creek State Recreation Area, ca. 4 mi. N of Guerneville 488 Comment
  OBI54985  Arctostaphylos manzanita H. F. Copeland 1933-3-18 A 14 Sonoma Vine Hill region on College Ave hwy, W of Santa Rosa Comment
  RSA202105  Arctostaphylos manzanita Freed W. Hoffman 1947-2-27 769 Sonoma Long Mountain Farm, near Guerneville. Comment
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Nov 26 2016
  UCD59183  Arctostaphylos manzanita Walter and Irja Knight; Roger Raiche and Steve Edwards 1983-7-3 4760 Sonoma Near Cazadero on Twitchell Ranch. The Cedars. 243 Comment
  UCD59404  Arctostaphylos manzanita Roger Raiche; Stephen W. Edwards 1983-6-9 100 Sonoma The Cedars. West of ridge on Twitchell property near Cazadero. 274 Comment
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Oct 17 2013
  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
  OBI14641  Arctostaphylos manzanita Robert F. Hoover 1963-1-12 8548 Sonoma Triniti rd, Hoods Peak Range Comment
  RSA202106  Arctostaphylos manzanita Freed W. Hoffman 1947-3-11 822 Sonoma Duvoul Creek, a branch of Dutch Bill Creek. Comment
  SEINET11984822  Arctostaphylos manzanita R. Gankin, Hildreth, W. R. 1967-1 1067 Sonoma Vine Hill School Rd, ca 0.5 mi E of Vine Hill Rd Comment
  SEINET11990964  Arctostaphylos manzanita Unknown 1983-1 30499 H Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11991011  Arctostaphylos manzanita W. Knight, Knight, I. 1983-1 4699 Sonoma Trinity Grade 300 Comment
  SEINET11991019  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4752 Sonoma The Cedars, near Cazadero 274 Comment
  SEINET11991948  Arctostaphylos manzanita W. Knight, Knight, I. 1984-1 5056 Sonoma Alta Vista Lane, Rincon Ridge, Santa Rosa Comment
  SEINET11993337  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4753 Sonoma The Cedars, near Cazadero, on Twitchell Ranch 274 Comment
  SD108298  Arctostaphylos manzanita subsp. bakeri Stephen W. Edwards 1981-2-16 Sonoma Green Hill Road Comment
  CAS-BOT-BC38907  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11305 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38945  Arctostaphylos manzanita subsp. elegans Bell Richardson Jackson 1924-10-22 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38948  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7950 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38651  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1933-4-2 10949 Sonoma 8 miles west of Santa Rosa Comment
  CAS-BOT-BC38677  Arctostaphylos manzanita subsp. manzanita Stephen W. Edwards; Roger Raiche; Walter Knight; Irja Knight 1983-7-3 4751 Sonoma The Cedars, on serpentinite, near Cazadero. 274 Comment
  CAS-BOT-BC38680  Arctostaphylos manzanita subsp. manzanita Roger Raiche 1983-7-31 30585 Sonoma Austin Creek State Recreation Area, North slope Morrison Ridge, above Thompson Creek. 274 Comment
  CAS-BOT-BC38685  Arctostaphylos manzanita subsp. manzanita Alice Griffin 1923-1-1 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC38688  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5774 Sonoma Vine Hill District, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38710  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 13 Sonoma Vine Hill region on College Avenue highway, near Santa Rosa Comment
  CAS-BOT-BC38718  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5775 Sonoma Vine Hill district, 10 miles west of Santa Rosa Comment
  UC1043526  Arctostaphylos manzanita subsp. manzanita P. C. Everett and E. K. Balls 1954-10-20 20377 Sonoma 4 mi sw Lake-Sonoma Co. line (nw to w slope Mt. St. Helena) 640 Comment
  CAS-BOT-BC38715  Arctostaphylos manzanita subsp. manzanita Gary D. Wallace 1974-12-23 1348 Sonoma NE of Occidental 2 mi on Grafton Rd. 152 Comment
  RSA96694  Arctostaphylos manzanita subsp. manzanita P. C. Everett, E. K. Balls, George B. Everett 1954-10-20 20375 Sonoma 3.9 mi. s. of lake-Sonoma Co. line on n.w. slopes Mt. St. Helena. 640 Comment
  SEINET11994911  Arctostaphylos manzanita subsp. manzanita W. Knight, Knight, I. 1987-1 6084 Sonoma Pepperwood Preserve, Garrison Canyon 122 Comment
  UCD52048  Arctostaphylos manzanita subsp. manzanita Frederica Bowcutt 1996-2-25 2065 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa; about 1 air mile NNW of Bald Mtn. (elev. 2275'); just N of Meadow Trail. 693 Comment
  CAS-BOT-BC45398  Arctostaphylos nummularia Mary P. Wells 1983-8-3 154 Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch. Comment
  UC549421  Arctostaphylos nummularia J. E. Adams 1934-3-28 741 Sonoma s McNamees Store Comment
  HSC99997  Arctostaphylos nummularia subsp. nummularia J. P. Smith, , J. O. Sawyer, & R. J. Cole 2009-10-10 12693 Sonoma Salt Point State Park Comment
  CAS-BOT-BC27293  Arctostaphylos sonomensis Milo Samuel Baker 1930-2-21 3877 C Sonoma Rincon Ridge Comment
  CAS-BOT-BC43881  Arctostaphylos stanfordiana Lewis S. Rose 1955-2-28 55008 Sonoma 2 mi. w. of Graton 121 Comment
  CDA12041  Arctostaphylos stanfordiana G. F. Hrusa 1990-1-2 7350 Sonoma North Coast Biodiversity Arena; NW slopes of Hogback Mtn. approx. 4 km. NE of Sonoma. Comment
  JEPS83501  Arctostaphylos stanfordiana Jack and Betty Guggolz 1986-3-3 850 Sonoma above pond (on n side of Chamise Ridge Rd, off West Dry Creek Rd, w of Geyserville) 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
  RSA636820  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24741 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388313  Arctostaphylos stanfordiana Freed W. Hoffman 1947-3-12 752 Sonoma Trinity Rd ne Kenwood; North Coast Ranges, west slope of Napa Range Comment
  SEINET7267257  Arctostaphylos stanfordiana L. Fallon 1939-1-6 s.n. Sonoma 1 mile north of Santa Rosa Comment
  JEPS95235  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  JEPS98845  Arctostaphylos stanfordiana subsp. decumbens unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  JEPS98846  Arctostaphylos stanfordiana subsp. decumbens unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  RSA202120  Arctostaphylos stanfordiana subsp. stanfordiana Freed W. Hoffman 1947-4-13 782 Sonoma Magnesite Lodge, Gilliam creek, near Guerneville. Comment
  SEINET12524556 Image available Arctostaphylos stanfordiana subsp. stanfordiana C. M. Belshaw 1936-1 1565 Sonoma Vine hill. Sebastopol quadrangle. T. 7N. R. 9W. Comment
  RSA339402  Arctostaphylos stanfordiana var. repens Roger Raiche 1985-11-23 50895 Sonoma W side of Dry Cr Valley, Bradford Mt 371 Comment
  SEINET11993703  Arctostaphylos stanfordiana var. repens Unknown 1985-1 50041 Sonoma unnamed ridge W side of Cry Creek Valley, N of Crane Cr & S of Bradford Mt 183 Comment
  SEINET11995501  Arctostaphylos stanfordiana var. repens W. Knight, Knight, I.; Edwards, S. 1985-1 6051 Sonoma Chapman Branch of Crane Creek, near Dorman Canyon 265 Comment
  CDA11146  Arctostaphylos viscida subsp. pulchella G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11557 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Comment
  UC1220419  Arctostaphylos viscida subsp. pulchella J. A. Delapp 1962-3-10 62 Sonoma 4.1 mi ne Cazadero; Quad 61D-$, Gilliam Creek 167 Comment
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Mar 7 2016
  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
  CDA20097  Arctotheca prostrata G. Bjork 2003-3-24 PDR 1279789 Sonoma North Coast Ranges; at 4052 Hessel Rd, Sebastopol. 0 Comment
  CAS-BOT-BC137563  Aristida oligantha Greg de Nevers 1987-7-10 8234 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa. 400 Comment
  UCR255670  Arnica discoidea Greg de Nevers 1998-6-15 11285 Sonoma CYO Camp on Bohemian Highway [2136 Bohemian Hwy, Occidental] 99 Comment
  CAS-BOT-BC175853  Artemisia Peter Rubtzoff 1961-9-20 4747 Sonoma Americano Creek area, 0.9 miles west of Bloomfield. Comment
  CAS-BOT-BC84951  Artemisia californica Wm. Mrs. Matthaie 1964-11-3 s.n. Sonoma Hills about 2 mi. SE of Sonoma. Comment
  SD41469  Artemisia douglasiana Edith A. Purer 1932-7-24 Sonoma Near Bodega Bay Comment
  RSA552336  Artemisia douglasiana L. M. Shultz, John Shultz 1986-9-20 10236 Sonoma 1 mile north of Jenner along Pacific Coast Highway 6 Comment
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May 14 2013
  CAS-BOT-BC90862  Artemisia pycnocephala Alice Eastwood 1915-6-29 4801 Sonoma Bodega Point Comment
  CDA2629  Arum italicum L. M. Harwood Jan 1972 Sonoma 5420 Volkerts Road, near junction with Hessel Road, ca. 4 1/2 miles southeast of Sebastopol. 0 Comment
  CAS-BOT-BC400600  Asarum caudatum Volney Rattan 1877-5-16 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC222859  Asclepias solanoana Helen K. Sharsmith 1952-6-18 4128 Sonoma Inner North Coast Ranges. Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains 975 Comment
  CAS-BOT-BC68783  Aspidotis densa Roxana S. Ferris; Laura Lorraine 1961-6-14 13523 Sonoma Junction of Bittner Road with Joy Road between Occidental and Bodega Comment
  UCD158841  Aspidotis densa James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2914 Sonoma North central part of Section 15, 0.25 mile south of Harness Camp and 2 miles west of The Geysers . (Elevation estimated by label maker using Google Earth.) 723 Comment
  UC1242061  Aspidotis densa Don Branscomb 1958-6-1 Sonoma head of Oregon Canyon Guerneville Comment
  CAS-BOT-BC164697  Asteraceae Peter Rubtzoff 1969-5-11 6036 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  UC1573056  Astragalus claranus R. C. Barneby 1954-4-30 11238 Sonoma 7 mi ne Santa Rosa (near Alpine School); ne of Santa Rosa, near Alpine School 152 Comment
  POM16009  Astragalus gambelianus F. T. Bioletti 1893-06 s.n. Sonoma Hoods Peak Comment
  CAS-BOT-BC186821  Astragalus gambelianus Helen D. Geis 1902-8-1 s.n. Sonoma Pluton Creek Bed Comment
  CAS-BOT-BC66010  Athyrium filix-femina Greg de Nevers 1996-9-1 10870 Sonoma Ida Clayton Road over Mt. St. Helena 914 Comment
  CAS-BOT-BC17427  Athysanus pusillus Peter H. Raven 1950-4-6 1603 Sonoma Rincon Ridge. 304 Comment
  RSA0018574  Atriplex Peter Rubtzoff 1956-9-15 2898 Sonoma Atascadero Creek Marsh. Comment
  UCD143729  Atriplex leucophylla Mary M. Hektner 1976-12-14 276 Sonoma Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC145729  Avena sativa David L. Morgan 1956-5-17 s.n. Sonoma Watmaugh Road, 0.5 mile west of junction of Arnold Drive. Comment
  CAS-BOT-BC68339  Azolla filiculoides Peter Rubtzoff 1962-10-9 5113 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC68344  Azolla filiculoides Peter Rubtzoff 1960-5-29 4424 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  CAS-BOT-BC154153  Baccharis douglasii Peter Rubtzoff 1974-8-4 7797 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC98647  Baccharis douglasii Peter Rubtzoff 1951-8-4 575 Sonoma Pitkin Marsh, near Forestville - open area between the Upper and the Lower marshes. Comment
  SD39655  Baccharis pilularis Edith A. Purer 1932-7-27 Sonoma Sand dunes Comment
  CHSC110163  Baccharis pilularis subsp. pilularis Scott Sundberg; Linda Hardison 1986-9-15 3259 Sonoma 1 mi N of Bodega Bay, common along sea cliff near Hwy. 101. Comment
  HSC2223  Baccharis pilularis subsp. pilularis C. B. Wolf, E. R. Johnson 1934-10-13 6181 Sonoma 2 4/10 miles N of mouth of Russian River Comment
  CAS-BOT-BC145834  Beckmannia syzigachne J. W. Congdon 1880-5-31 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC145842  Beckmannia syzigachne Peter Rubtzoff 1955-5-14 1834 Sonoma Ross Marsh. Comment
  CAS-BOT-BC145845  Beckmannia syzigachne Peter Rubtzoff 1961-5-24 4599 Sonoma Upper Stemple Creek Marsh. Comment
  UC70977  Beckmannia syzigachne W. C. Blasdale 1893-6-10 Sonoma Los Guitucos Comment
  SEINET10967575  Beckmannia syzigachne H. P. Bracelin 1930-7-27 Bracelin 20 Sonoma On Redwood slope. One mile north of Fort Ross. Comment
  CAS-BOT-BC106394  Bellis perennis George Syme 1917-4-25 s.n. Sonoma Guerneville Comment
  RSA227207  Berula erecta Peter Rubtzoff 1955-7-24 1986 Sonoma Forestville Marsh. Comment
  UCR248951  Bidens laevis Peter Rubtzoff 1967-9-16 5882 Sonoma Pitkin Marsh, near Forestville. Southern part of Upper Marsh 38 Comment
  UCR248962  Bidens laevis Peter Rubtzoff 1961-9-6 4740 Sonoma Laguna de Santa Rosa, northeast of Gratton 24 Comment
  UCR250384  Bidens laevis Peter Rubtzoff 1955-11-27 2170 Sonoma Bodega Head Marsh 2 Comment
  JEPS19365  Blennosperma bakeri Milo S. Baker 1946-3-28 11307 Sonoma western outskirts of Sonoma Comment
  JEPS35788  Blennosperma bakeri Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8929 Sonoma along Hayes St. just s Bettencourt (southern outskirts of town, at type locality); Sonoma 19 Comment
  JEPS37925  Blennosperma bakeri Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8924 Sonoma s of, e of Arnold Dr, .7 mi n of junction of Arnold Dr with State Hwy 37 Sonoma Comment
  JEPS86325  Blennosperma bakeri Jack and Betty Guggolz 1988-2-23 901 Sonoma Kovatch property, n side of San Miguel Road, 1/10 m w of Walzer Rd Comment
  JEPS86326  Blennosperma bakeri Jack and Betty Guggolz 1988-3-15 902 Sonoma n of, w of an extension of Hargrave Road Scenic Road Comment
  CAS-BOT-BC154867  Boisduvalia Peter Rubtzoff; Nancy Harrison 1974-6-8 7579 Sonoma Todd Road, 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
  RSA791564  Boisduvalia glabella Peter Rubtzoff 1960-6-25 4515 Sonoma Sonoma County Marshes: Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC75494  Bolboschoenus maritimus subsp. paludosus Walter Knight; Irja Knight 1984-8-26 5426 Sonoma Willow Creek Road. 60 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
  UC420466  Boykinia occidentalis Katharine Brandegee June 1905 Sonoma Burbanks Garden Comment
  UC1130927  Brachypodium pinnatum R. C. Morehouse 1937-8-23 Sonoma 1 mi w of Bloomfield (George Jones Property) 30 Comment
  CHSC8187  Briza maxima K. Henegar 1969-5-10 42 Sonoma Near Salmon Creek, 1/2 m n of Bodega Bay. Comment
  SJSU810  Briza maxima A. W. Jacobs 1943-5-15 Sonoma near Forestville Comment
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Sep 17 2008
  UCD36534  Briza maxima Beecher Crampton 1954-4-26 1790 Sonoma Sonoma County, 9 miles southeast of Geyserville, along Highway 128, 0.5 mile north of Calistoga Road cutoff, on foothills facing Alexander Valley. 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
  UCD57172  Briza maxima Charles B. Heiser Jr. 1946-5-19 1739 a Sonoma Vine Hill, W of Santa Rosa Comment
  UCD57364  Briza maxima Beecher Crampton 1959-6-16 5371 Sonoma 0.2 miles E of Occidental. Comment
  CAS-BOT-BC145284  Briza minor Peter Rubtzoff 1959-6-20 4156 Sonoma Willow Creek Marsh. Margin of Willow Creek. Comment
  CAS-BOT-BC145296  Briza minor Ira L. Wiggins 1949-4-30 12070 Sonoma Four miles west of Calistoga, just west of county line. Comment
  CDA36959  Briza minor CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UC76949  Briza minor Michener and Bioletti June, 1893 Sonoma Kenwood Comment
  UCD57426  Briza minor Davis L. Morgan 1961-5-2 s.n. Sonoma On Snyder Lane. 2 miles NE of Cotati. Comment
  CAS-BOT-BC145300  Briza minor Walter Knight; Irja Knight 1963-10-29 435 Sonoma Roblar Road. Comment
  SEINET11687426  Briza minor F. H. Utech 1986-1 86 -096 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  CAS-BOT-BC478965  Brodiaea californica subsp. californica Greg de Nevers 1991-6-22 9753 Sonoma Pepperwood Natural Preserve 3450 Franz Valley Road 475 Comment
  SEINET180834  Brodiaea capitata E. Tucker Sonoma Camp Meekee. Comment
  UC1442867  Brodiaea elegans subsp. elegans Theodore F. Niehaus 1966-5-29 692 Sonoma on n side Guerneville Road 0.2 mi n junction of Ridely Ave; northeast Santa Rosa Comment
  CAS-BOT-BC484400  Brodiaea elegans subsp. elegans Peter Rubtzoff 1958-7-5 3731 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC486533  Brodiaea elegans subsp. elegans Lewis S. Rose 1940-5-22 40363 Sonoma Sonoma 30 Comment
  SEINET6165246 Image available Brodiaea stellaris Unknown 1983-5-24 s.n. Sonoma By gate N. of alump. Occidental Comment
  CAS-BOT-BC486477  Brodiaea terrestris subsp. terrestris Peter Rubtzoff; Nancy Harrison 1976-6-18 8642 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UCD55138  Bromus carinatus Ellen Dean; Tammie Beyerl 2006-4-28 3020 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 179 Comment
  UCD36637  Bromus carinatus Beecher Crampton 1955-6-8 2831 Sonoma Sonoma County, at Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  UCD58187  Bromus carinatus David L. Morgan 1961-4-11 s.n. Sonoma Hwy. 101, 3 min. S of Petaluma. Comment
  UCD58250  Bromus carinatus Collector unknown 1941-4-1 Sonoma Santa Rosa. Franklin Ave. Comment
  CAS-BOT-BC149094  Bromus carinatus var. carinatus G. DeNevers 1981-5-20 1233 Sonoma Pepperwood Ranch. At confluence of Leslie Creek and Mark West Creek. Comment
  CAS-BOT-BC149100  Bromus carinatus var. carinatus Peter Rubtzoff 1952-5-31 1100 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Uppe Marsh from the eastern. Comment
  CAS-BOT-BC149086  Bromus carinatus var. carinatus Peter H. Raven 1950-4-23 1894 Sonoma Solve Vista. 152 Comment
  OBI22459  Bromus catharticus var. elatus Lewis S. Rose 1952-4-18 62024 Sonoma 1 mi NW of Freestone 76 Comment
  CAS-BOT-BC155957  Bromus commutatus Peter Rubtzoff 1959-5-30 4071 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC155657  Bromus diandrus Mary P. Wells 1984-5-30 317 Sonoma Santa Rosa. Friends House, Rincon Valley. Comment
  CAS-BOT-BC155662  Bromus diandrus John Thomas Howell; Walter Knight; Irja Knight 1987-6-4 6228 Sonoma Tood Road Preserve. 24 Comment
  CAS-BOT-BC155665  Bromus diandrus Peter Rubtzoff 1952-5-10 1021 Sonoma Pitkin Marsh near Forestville. Bordering the Upper Marsh in the east. Comment
  CAS-BOT-BC155250  Bromus hordeaceus John H. Thomas 1966-5-8 11596 Sonoma 1.4 miles west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. Comment
  UC60199  Bromus hordeaceus A. B. L. 1896-4-9 Sonoma Petaluma Comment
  UCD38532  Bromus hordeaceus Beecher Crampton 1956-3-13 3226 Sonoma Asti, Italian Swiss Colony Winery. Comment
  UC37643  Bromus laevipes Michener and Bioletti 1893-6-10 112 Sonoma Hood's Peak Comment
  UCD144422  Bromus laevipes Frederica Bowcutt 1996-5-19 2150 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. Lower Bald Mountain trail. 472 Comment
  UCD160851  Bromus madritensis subsp. rubens James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3284 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SEINET10524463  Bromus marginatus A. Arthur Heller 1902-4-9 Heller 5247 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  UCD60236  Bromus vulgaris P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis. Comment
  UCD60255  Bromus vulgaris Mary M. Hektner 1976-5-6 262 Sonoma Unit 34-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  UC1301003  Cakile maritima Helen K. Sharsmith 1963-5-25 5499 Sonoma just s of Bodega Harbor; San Francisco Bay Region 1 Comment
  UCD114956  Cakile maritima Walter Russell 1947-3-5 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC352221  Calamagrostis Peter Rubtzoff; Nancy Harrison 1978-6-11 9217 Sonoma Cunningham Marsh area, along northern tributary of Blucher Creek, ca. 1 air mile WSW of Cunningham Station. Comment
  RSA0064342  Calamagrostis Peter Rubtzoff 1967-8-22 5856 Sonoma Hillside depression southeast of lower Salmon Creek Marsh. Comment
  CAS-BOT-BC185409  Calamagrostis bolanderi Mary P. Wells 1983-8-3 155 Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch. Comment
  CAS-BOT-BC185413  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma State Highway 1, 8.7 miles south of Stewart's Point. Comment
  RSA654820  Calamagrostis bolanderi Colette Beaupre 2000-7-6 s.n. Sonoma Near Sea Ranch, CA on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB&M 183 Comment
  UC1026380  Calamagrostis bolanderi John Thomas Howell 1947-6-26 23312 Sonoma Cunningham Marsh Comment
  UC1146621  Calamagrostis bolanderi Freed W. Hoffman 1943-6-20 2058 Sonoma near Salt Point (Eckert Ranch); North Coast Ranges, Sonoma Coast Comment
  RSA126853  Calamagrostis nutkaensis H. S. Yates 1937-5-30 6559 Sonoma two miles northeast of Freestone. 122 Comment
  CAS-BOT-BC166776  Calandrinia Peter Rubtzoff 1974-5-11 7396 Sonoma Laguna de Santa Rosa ca. 1 mile ESE of Sebastopol. Comment
  CAS-BOT-BC438607  Calandrinia ciliata Peter Rubtzoff 1952-3-23 885 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west. Comment
  CAS-BOT-BC293674  Callitriche heterophylla Peter Rubtzoff 1974-4-6 7355 Sonoma Along Lawndale Road, 0.75 miles south of Highway 12. Comment
  CAS-BOT-BC290710  Callitriche heterophylla Peter Rubtzoff 1967-5-21 5843 Sonoma Guerneville Marsh. Comment
  NY370183  Callitriche heterophylla var. bolanderi C. H. Michener 1893-4-25 s.n. Sonoma Comment
  HSC100960  Callitriche marginata Peter Warner, Sarah Gordon 2011-5-16 199 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), 175 m E144 deg. S from swimming pool. 210 Comment
  UCSB45513  Callitriche palustris Roos, John 1957-7-2 Sonoma Miller's Ridge Comment
  UCR249030  Callitriche verna Peter Rubtzoff 1974-4-6 7348 Sonoma Kenwood Marsh 120 Comment
  JEPS61627  Calochortus amabilis Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  UC496432  Calochortus amabilis Merle Randall 1930-6-11 Sonoma 2 mi from Cazadero (Christopher Ranch) 304 Comment
  UC535002  Calochortus amabilis H. E. and S. T. Parks 1930-5-9 605 Sonoma Alexander Valley edge Alexander Valley Comment
  CAS-BOT-BC483274  Calochortus amabilis John H. Thomas 1966-5-8 11605 Sonoma 1.4 miles west of Napa-Sonoma county line, along road between Calistoga and Santa Rosa Comment
  CAS-BOT-BC483283  Calochortus amabilis Roxana S. Ferris; Laura Lorraine 1961-6-15 13551 Sonoma Harrison Grade Road, 0.3 mile from junction with Green Valley Road Comment
  RSA13439  Calochortus amabilis H. E. Parks, S. T. Parks 1930-5-9 605 Sonoma Alexander Valley. Comment
  RSA257007  Calochortus amabilis Gary D. Wallace, Larry E. DeBuhr 1972-5-24 1087 Sonoma 150 yds from Napa Co. line along Hwy 128. Comment
  SEINET3884895  Calochortus amabilis James Grimes 1981-4-29 1976 Sonoma Above Highway 128 about 1.2 miles north of U.S. 101, north of Cloverdale.; 0 Comment
  CAS-BOT-BC492638  Calochortus luteus James L. Reveal 1987-6-7 6412 Sonoma Along Geysers Road, 4.4 miles east-southeast of U.S. Along Cavedlae Road, about 1.5 mile south of Trinity Road, in grassy open areas of heavy soil among Quercus and other chaparral species about 13 airline miles southeast of Santa Rosa 579 Comment
  JEPS82316  Calochortus raichei Roger Raiche 1983-7-10 30490 Sonoma n of Greenville (e end of ridge of Rocky Mt, and w of Blue Rock, above Gray Creek to s and Devil Creek to n); Rocky Mt. 365 Comment
  JEPS55638  Calochortus tolmiei Wayne Roderick 1967-5-13 Sonoma ca 1 rd mi n Fort Ross 22 Comment
  CAS-BOT-BC494037  Calochortus tolmiei A. A. Heller; H. E. Brown 1902-1-11 5263 Sonoma Bodega Bay Comment
  UC3483  Calochortus uniflorus F. T. Bioletti Sonoma Comment
  UC3486  Calochortus uniflorus W. H. Brewer 1864-1 3960 Sonoma Mark West Comment
  UC65044  Calochortus uniflorus Milo S. Baker 1898-4-5 Sonoma between Stewarts Point Sea View Comment
  CAS-BOT-BC270706  Calycadenia multiglandulosa Roxana S. Ferris; Laura Lorraine 1961-6-14 13548 Sonoma Junction of Occidental Road with Facendini Lane Comment
  JEPS86803  Calycadenia multiglandulosa Jack and Betty Guggolz 1991-7-20 1209 Sonoma 2 mi nw of Camp Meeker 182 Comment
  UC523536  Calycadenia multiglandulosa David D. Keck 1933-11-6 2648 Sonoma 2.5 mi n Occidental Comment
  CAS-BOT-BC270844  Calycadenia pauciflora Gerald D. Carr 1972-3-20 687 Sonoma 1.0 mile W of Westside Road on Mill Creek Road, 2.5 miles SW of Healdsburg 106 Comment
  RSA255609  Calycadenia pauciflora Gerald D. Carr 1972-9-11 731 Sonoma 1 mile west of Westside Road on Mill Creek Road, 2.5 miles SW of Healdsburg 107 Comment
  UCD129847  Calycadenia pauciflora Gerald D. Carr 1972-9-11 731 Sonoma 1.0 mile west of Westside Road on Mill Creek Road, 2.5 miles southwest of Healdsburg. 106 Comment
  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
  SEINET9343982  Calycadenia truncata Unknown 1993-10-2 11423 Sonoma Sonoma Comment
  CAS-BOT-BC91001  Calycanthus occidentalis H. E. McMinn 1922-6-7 s.n. Sonoma Along roadside over mountain to Guerneville from Monte Rio. Streams leading into Russian River. Comment
  RSA271933  Calycanthus occidentalis Christopher Davidson 1977-6-17 5883 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  RSA456158  Calycanthus occidentalis Christopher Davidson 1977-6-17 5883 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  UC635500  Calycanthus occidentalis H. L. Mason 1934-4-28 8067 Sonoma head of Dohrman Creek Dohrman Creek (Jensen Ranch) Comment
  JEPS64301  Calypso bulbosa Docia Patchett 1917-3-29 Sonoma Cazadero Comment
  UCD126065  Calystegia collina Jennifer Bury; Peggy Herzog 1993-5-8 275 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 396 Comment
  UC353894  Calystegia collina subsp. collina Milo S. Baker 1927-5-7 2146 Sonoma Fitzsimmon's Grade , Fitzsimmon's Grade (Adobe Canyon) Comment
  JEPS83489  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1986-5-11 867 Sonoma On a low bank on the NE side of the road through Pine Flat Comment
  JEPS87231  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1989-4-23 999 Sonoma Just east of Deer Creek crossing of Pine Flat Road Comment
  UCD160869  Calystegia purpurata James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3295 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-BC215920  Calystegia purpurata subsp. purpurata John Thomas Howell 1934-3-26 11790 Sonoma 12 miles from Calistoga on Alexander Valley Road 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
  OBI35908  Calystegia soldanella David J. Keil 1983-6-29 17192 Sonoma Doran Beach County Park, Bodega Head Comment
  CAS-BOT-BC344885  Camassia Peter Rubtzoff 1970-5-10 6214 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  SEINET12192836  Camissonia cheiranthifolia Unknown 1978-1 298 Sonoma Bodega Bay at Doran Park campground Comment
  CAS-BOT-BC160369  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  SEINET10905987  Campanula californica P. Rubtzoff 1951-6-30 Rubtzoff 299 Sonoma Pitkin Marsh, near Forestville, western branch of Upper Marsh, in a marshy opening Comment
  UC34817  Campanula prenanthoides W. C. Blasdale 1896-7-18 Sonoma Cozadero Comment
  SEINET10972386  Campanula prenanthoides Condit 1908-8-13 CONDIT s.n. Sonoma GUERNEVILLE Comment
  OBI4431  Campsis radicans Robert J. Rodin 1968-9-9 8333 Sonoma On an old house in the contry on Ely Rd near Washington Blvd, Petaluma Comment
  CAS-BOT-BC184127  Capsella bursa-pastoris Peter Rubtzoff 1960-6-25 4510 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville Roads Comment
  CAS-BOT-BC37753  Cardamine californica R. H. Thompson 1880-4-1 s.n. Sonoma Near Healdsburg. Comment
  CAS-BOT-BC37767  Cardamine californica J. Clausen 1933-3-25 728 Sonoma About 4 miles east of Warfields on road to Oakville. 213 Comment
  UCD77454  Cardamine californica Robert E. Preston 2001-2-28 1497 Sonoma Ca. 2.5 mi NE of Fort Ross, near Seaview 381 Comment
  POM272804  Cardamine californica var. integrifolia Lyman Benson 1929-3-21 1026 Sonoma 5 miles S of Petaluma. 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
  CAS-BOT-BC38041  Cardamine oligosperma Dorothy Scherer 1996-4-8 023 Sonoma Kolmer Gulch, west of Highway 1, Fort Ross State Historic Park. 1 Comment
  CAS-BOT-BC38116  Cardamine parviflora R. Bacigalupi 1948-3-6 2856 Sonoma Northwest Sonoma County. At junction of roads from Stewart's Point and Annapolis, on road from Skaggs Springs. Comment
  CAS-BOT-BC173679  Carduus Peter Rubtzoff 1959-6-13 4141 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC173833  Carduus Peter Rubtzoff 1976-5-30 8569 Sonoma Kenwood Marsh. Comment
  UCD85586  Carduus pycnocephalus Gerry North 1993-4 43 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
  CAS-BOT-BC281770  Carduus pycnocephalus Gordon H. True 1968-7-5 4668 Sonoma Point Reyes Bird Observatory ca 3 miles NW of Bolinas at Arroyo Hondo. Conium plot between Arroyo Hondo and entrance road 60 Comment
  RSA790298  Carduus pycnocephalus Peter Rubtzoff 1976-5-30 8569 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC173807  Carex Peter Rubtzoff; Nancy Harrison 1978-6-11 9206 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  UCD164101  Carex Peter Rubtzoff; Nancy Harrison 1978-5-20 9184 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  UCR248908  Carex Peter Rubtzoff 1976-5-30 8562 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  CAS-BOT-BC422345  Carex Peter Rubtzoff 1975-7-3 8145 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC353409  Carex abrupta Peter Rubtzoff 1958-6-1 3691 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road. Comment
  UCD140074  Carex amplifolia Frederica Bowcutt 1994-7-5 1934 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 30 feet, 70 ft. S of campfire center along N edge of Sonoma Creek, N and E of campground, just N of bridge to campfire center. 381 Comment
  UCR208535  Carex athrostachya Peter Rubtzoff 1960-5-15 4325 Sonoma Fife Creek Marsh [near Guerneville] Comment
  UCR208536  Carex athrostachya Peter Rubtzoff 1960-5-20 4395 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  UCR249039  Carex athrostachya Peter Rubtzoff 1974-6-2 7507 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC350809  Carex barbarae Peter Rubtzoff 1955-5-21 1873 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC371452  Carex barbarae Peter Rubtzoff 1953-5-16 1360 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCR248957  Carex barbarae Peter Rubtzoff 1958-5-3 3623 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC310297  Carex barbarae Peter Rubtzoff 1970-6-14 s.n. Sonoma 3 miles west of Fulton on north side of River Road. Comment
  CAS-BOT-BC310301  Carex barbarae Peter Rubtzoff 1969-8-24 s.n. Sonoma 3 miles west of Fulton on north side of River Road. Comment
  CAS-BOT-BC19567  Carex bolanderi James Jokerst 1985-4-26 2269 Sonoma Near Caldwell Ranch. Comment
  CAS-BOT-BC34027  Carex brevicaulis John Thomas Howell 1938-7-3 13950 Sonoma Stony Point. Comment
  RSA94269  Carex buxbaumii Peter Rubtzoff 1952-5-31 1108 Sonoma Pitkin Marsh, near Forestville, northern half of Lower Marsh Comment
  CAS-BOT-BC350934  Carex cusickii Peter Rubtzoff 1955-5-14 1839 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC20490  Carex densa John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53974 Sonoma Fairfield Osborn Preserve of the Nature Conservancy. 4.5 miles northeast of Penngrove on the west slope of Sonoma Mt. 457 Comment
  CAS-BOT-BC20495  Carex densa Peter Rubtzoff 1959-5-30 4064 Sonoma Sonoma County Marshes. Freestone Marsh. Comment
  CAS-BOT-BC20498  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Sonoma County Marshes. Stony Point Marsh. Comment
  CAS-BOT-BC20513  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Sonoma County Marshes. Guerneville Marsh. Comment
  UC1586927  Carex densa Juha Pykala and D. H. Norris 1987-5-31 1303 Sonoma e Guerneville Road; Pitkin Marsh 35 Comment
  CAS-BOT-BC20472  Carex densa Alice Eastwood; John Thomas Howell 1936-5-19 2526 Sonoma Near Asti. Comment
  SEINET7556705 Image available Carex densa John Thomas Howell 1935-5-5 12605 Sonoma Near Kenwood. Comment
  SEINET7556713 Image available Carex densa Unknown 1936-7-26 12665 Sonoma Occidental. Comment
  UCD140271  Carex densa G. F. Hrusa; A. Buckman, R. Gross 1995-4-1 12031 Sonoma Todd Road Reserve, near corner Todd Road and Llano Road. Comment
  UC767099  Carex deweyana subsp. leptopoda Robert F. Hoover 1941-5-14 5079 Sonoma 3 mi S of Monte Rio (on road to Camp Meeker) Comment
  CDA11316  Carex dudleyi G. F. Hrusa, A. Buckman, R. Gross 1995-4-1 12031 Sonoma North Coast Biodiversity Arena; LAGUNA DE SANTA ROSA. Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. Moist upper margins of pools. Comment
  SEINET10650312  Carex exsiccata A. Arthur Heller 1902-7-1 Heller 5798 Sonoma Lagoon at Scbastopol. Comment
  SEINET10652787  Carex festiva Henry N. Bolander Bolander 3868 Sonoma Meadow on Russian River. Comment
  CAS-BOT-BC20443  Carex globosa 1895-5-30 s.n. Sonoma Cazadero. Comment
  SEINET10706382  Carex glomerata Henry N. Bolander Bolander 3824 Sonoma In meadow at Cloverdale. Comment
  CAS-BOT-BC28331  Carex gracilior Henry Nicholas Bolander 1864-4-1 3814 Sonoma Meadow near Mark West Creek. Comment
  CAS-BOT-BC32474  Carex gracilior Henry Nicholas Bolander 1864-4-1 3822 Sonoma Meadow at Cloverdale Comment
  UCD112446  Carex gracilior Peter Rubtzoff 1959-4-18 4034 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 0.5 mi. north of Guerneville Road crossing. Comment
  SEINET3901419  Carex gynodynama Lewis S. Rose 1964-6-3 64053 Sonoma N end of Bodega Bay.; 0 2 Comment
  UC1562593  Carex gynodynama Barbara Ertter with Susan D'Alcamo 1988-5-1 7470 Sonoma meadow across Hwy. 1 from entrance to s-most campground; Salt Point State Park Comment
  CAS-BOT-BC21905  Carex harfordii Peter Rubtzoff 1957-5-4 3306 Sonoma Duncan Mills Marsh. At the border of the upper portion of the marsh. Comment
  CAS-BOT-BC249298  Carex harfordii Peter Rubtzoff 1960-5-16 4350 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC311836  Carex harfordii Peter Rubtzoff 1974-6-2 7513 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC320576  Carex harfordii Peter Rubtzoff 1962-6-1 4865 Sonoma Freestone Marsh. Comment
  RSA758134  Carex harfordii Peter Rubtzoff 1960-5-16 4351 Sonoma Duncan Mills Marsh Comment
  UCD112445  Carex harfordii Peter Rubtzoff 1954-6-20 1499 Sonoma Guerneville Marsh. Comment
  UC766046  Carex lemmonii R. F. Hoover 1939-5-30 4111 Sonoma near Sebastopol (marsh on Perry's Twin Pines Ranch (= Perry Marsh)) Comment
  RSA0034190  Carex leptopoda Peter Rubtzoff 1960-6-7 4459 Sonoma Austin Creek Marsh. Comment
  RSA169300  Carex leptopoda L. S. Rose 1964-6-3 64051 Sonoma N end of Bodega Bay. 2 Comment
  UC767097  Carex mendocinensis Robert F. Hoover 1941-5-14 5091 Sonoma Two miles south of Monte Rio on Road to Camp Meeker. Comment
  CAS-BOT-BC146626  Carex mendocinensis Alice Eastwood; John Thomas Howell; J. W. Stacey 1937-5-31 4494 Sonoma 2 miles south of Gualala River, Sonoma coast Comment
  UCR249339  Carex nudata Peter Rubtzoff 1952-6-3 1176 Sonoma Fitch Mountain Grove, near Healdsburg, along the Russian River 61 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
  RSA0022388  Carex nudata Peter Rubtzoff 1962-5-6 4811 Sonoma Vacation Beach, 2 mi below Guerneville along Russian River. Comment
  RSA0031404  Carex obnupta Peter Rubtzoff 1970-10-3 6413 Sonoma Marsh off the west side of Hwy.1, 0.7 mi southeast of Salmon Creek. Comment
  CAS-BOT-BC119310  Carex obnupta Mary P. Wells 1981-8-2 s.n. Sonoma S end of Timber Ridge Road, The Sea Ranch. Comment
  CAS-BOT-BC119279  Carex ovalis Peter Rubtzoff 1952-3-23 883 Sonoma Pitkin Marsh, near Forestville. Eastern Branch of the Upper Marsh. Comment
  RSA0022356  Carex ovalis Peter Rubtzoff 1966-6-5 5758 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC118938  Carex pellita Peter Rubtzoff 1952-5-21 1059 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh. Comment
  SEINET7570933 Image available Carex pellita John Thomas Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh. Comment
  RSA0018585  Carex simulata Peter Rubtzoff 1975-7-3 8146 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC329282  Carex stipata Peter Rubtzoff 1960-5-22 4410 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville roads). Comment
  CAS-BOT-BC116930  Carex subbracteata Peter Rubtzoff 1960-5-16 4353 Sonoma Duncan Mills Marsh. Comment
  CAS-BOT-BC329285  Carex tumulicola Peter Rubtzoff 1957-5-26 3368 Sonoma Duncans Mills Marsh. Comment
  RSA0031801  Carex tumulicola Peter Rubtzoff 1960-5-16 4345 Sonoma Duncans Mills Marsh. Borderland of the marsh. Comment
  RSA0035352  Carex tumulicola Peter Rubtzoff 1959-4-18 4035 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 0.5 miles north of Guerneville Road crossing. Comment
  SJSU8871  Carex utriculata C. W. Sharsmith 1972-6-24 7805 Sonoma Pitkin Marsh c. 1.5 mi SE of Forestville N of Sebastopol Comment
  CAS-BOT-BC281919  Carthamus lanatus Walter & Irja Knight; J. T. Howell 1988-7-9 s.n. Sonoma SE corner Adobe Rd and Petaluma Hill Rd. Penngrove Comment
  HSC33347  Carthamus lanatus William J. Ferlatte, J. Shelgren 1973-7-11 1489 Sonoma SE of Santa Rosa; Crane Canyon, 1 mile E of Petaluma Hill Rd. 52 Comment
  CDA7002  Carthamus leucocaulos T. C. Fuller 1970-5-4 19484 Sonoma 2 miles west of the overpass, Highway 101, Asti. 0 Comment
  RSA664100  Carthamus tinctorius J. C. Roos, L. Roos 1956-9-2 6599 Sonoma Healdsburg dump Comment
  CAS-BOT-BC371467  Caryophyllaceae Greg de Nevers 1993-5-30 10468 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa along Piney Canyon Rd. from Bald Hills 400 Comment
  CAS-BOT-BC249237  Castilleja affinis Alexander 1944-4-1 s.n. Sonoma Near Santa Rosa Comment
  JEPS22230  Castilleja ambigua subsp. ambigua Rimo Bacigalupi with members of the California Botanical Society 1958-5-24 6361 Sonoma n of Sebastopol (ground above Pitkin Marsh); Vine Hill Region 60 Comment
  UC584179  Castilleja ambigua subsp. ambigua J. Clausen 1935-5-24 1095 Sonoma 6.5 mi s Jenner (on the Bodega road) Comment
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Jan 8 2015
  JEPS19556  Castilleja applegatei subsp. martinii Rimo Bacigalupi with G. T. Robbins and Freed Hoffman 1956-5-30 5667 Sonoma vicinity The Cedars (near Layton Chromite Mine, headwaters of Big Austin Creek); Big Austin Creek 266 Comment
  UC1238988  Castilleja applegatei subsp. martinii Freed W. Hoffman 1947-5-30 515 Sonoma Layton Mine North Coast Ranges, Austin Creek (Austin Creek) Comment
  JEPS19380  Castilleja campestris subsp. campestris G. Thomas Robbins 1937-5-23 183 Sonoma between Santa Rosa and Sebastopol (along roadside near Wright School) Comment
  JEPS9415  Castilleja densiflora subsp. densiflora W. L. Jepson 1911-4-30 4187 Sonoma Sonoma Valley 83 Comment
  UC65828  Castilleja densiflora subsp. densiflora A. A. Heller 1902-4-18 5307 Sonoma Windsor Comment
  HSC82079  Castilleja exserta subsp. exserta Thomas W. Nelson, Jane P. Nelson 1980-5-3 5126 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  POM15981  Castilleja foliolosa A. A. Heller, H. E. Brown 1902-3-12 5034 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  UC596655  Castilleja foliolosa Rensselaer J. Smith Jul 1904 Sonoma Highland Comment
  CAS-BOT-BC32543  Castilleja inornata Alice Eastwood; John Thomas Howell 1939-4-2 7367 Sonoma Sonoma coast north of Bodega Bay Comment
  JEPS35852  Castilleja subinclusa subsp. franciscana Rimo Bacigalupi, and L. R. Heckard 1964-8-3 8998 Sonoma 0.9 mi n Calif. Hwy. 1 junction with road to Seaview (along Calif Hwy 1, between Fort Ross and Russian Gulch, just s of Meyer Gulch) 152 Comment
  JEPS60451  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-29 6689 Sonoma 2.9 mi s Russian River (Highway 1) Comment
  JEPS60457  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-30 6696 Sonoma about 1 mi s Stewart's Point Comment
  HSC90796  Castilleja wightii L. R. Heckard 1964-6-12 1383 Sonoma Off Hwy. 1 near the point where road descends into Russian Gulch, about 2 mi. N of Mouth of Russian River Comment
  HSC10890  Catapodium rigidum Leo Koch 1940-5-19 964 Sonoma 349 Second Ave., Santa Rosa Comment
  CAS-BOT-BC361361  Caulanthus lasiophyllus Greg de Nevers 1997-4-16 10936 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  CAS-BOT-BC47800  Ceanothus John Thomas Howell 1937-4-11 12899 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC47805  Ceanothus James McMurphy 1909-5-29 s.n. Sonoma ridge south of the Geysers Comment
  CAS-BOT-BC48509  Ceanothus confusus Milo S. Baker 1939-3-20 9244 Sonoma ca. 4 mi. north of Santa Rosa on road past County Hospital Comment
  CAS-BOT-BC83850  Ceanothus confusus D. O. Burge 2007-4-10 833 a Sonoma SE flank of Mount Hood, near the junction of Bear Creek and Sonoma Creek 1000 Comment
  RSA21909  Ceanothus confusus J. T. Howell 1937-4-11 12908 Sonoma Sonoma Creek Canyon at M S Baker's. Comment
  SBBG4133  Ceanothus confusus M. Van Rensselaer 1941-4-27 1639 Sonoma Montecito Rd, Rincon Ridge Comment
  UC18317  Ceanothus confusus Michener and Bioletti March 1898 1898 Sonoma Hood's Peak Comment
  UC80039  Ceanothus confusus Alice Eastwood 1893-4-27 Sonoma Hood Mountain Comment
  CAS-BOT-BC48512  Ceanothus confusus Milo S. Baker 1927-7-3 2332 a Sonoma Cobb Mt. Comment
  UC870505  Ceanothus confusus Milo S. Baker 1940-6-20 9775 Sonoma top of ridge N of County Hospital, near type locality Comment
  RSA339398  Ceanothus cuneatus Roger Raiche 1985-4-6 50182 Sonoma Dry Creek area near Healdsburg, ridge W of Dry Creek Valley, unamed road N of Dorman Canyon on ridge. 244 Comment
  UCD111749  Ceanothus cuneatus G. F. Hrusa 1995-4-2 12041 Sonoma along Franz Valley School Road, approximately 1.25 miles NW of Napa/Sonoma county line. 250 Comment
  UC909729  Ceanothus divergens Milo S. Baker 1950-5-20 12226 Sonoma Coleman Ranch summit above; Hope Valley Comment
  CAS-BOT-BC361295  Ceanothus foliosus Greg de Nevers 1994-3-18 10515 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa, near Weimar Pond 457 Comment
  UC1299554  Ceanothus foliosus Freed W. Hoffman 1947-5-30 522 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  UC1614284  Ceanothus foliosus Charles M. Belshaw 1936-3-7 1569 A Sonoma just east of Trenton (turn off to Vine Hill School); Forest Hill Road Comment
  UC18322  Ceanothus foliosus State Survey 1862-4-18 984 Sonoma near Sonoma Comment
  UC18328  Ceanothus foliosus F. T. Bioletti 1892-1 Sonoma Comment
  UC79975  Ceanothus foliosus Alice Eastwood 1893-4-27 Sonoma Hood Mountain Comment
  RSA25702  Ceanothus foliosus Carl B. Wolf 1941-7-17 11021 Sonoma N coast range, Trinity Mt. 1/8 miles W of summit of grade 610 Comment
  CAS-BOT-BC49900  Ceanothus foliosus var. foliosus Greg de Nevers; Frank Almeda 1987-4-11 8133 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC49905  Ceanothus foliosus var. foliosus Walter Knight; Irja Knight 1963-8-23 189 Sonoma Joost Ranch, Calistoga Rd. Comment
  CAS-BOT-BC49908  Ceanothus foliosus var. foliosus Michener; Bioletti 1892-5-1 s.n. Sonoma S.L.G. Comment
  JEPS49157  Ceanothus foliosus var. vineatus Robert Anderson 1967-4-9 Sonoma e Forestville (Vine Hill district); Vine Hill district 60 Comment
  CAS-BOT-BC50001  Ceanothus gloriosus John Thomas Howell 1935-5-5 12617 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49947  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6693 Sonoma Arroyos, Vine Hill district, 9 miles west of Santa Rosa Comment
  UCD112154  Ceanothus gloriosus var. exaltatus L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  CAS-BOT-BC49950  Ceanothus gloriosus var. exaltatus Milo S. Baker 1931-3-7 s.n. Sonoma About 10 mi. West of Santa Rosa at Frei Ranch Comment
  UC1280768  Ceanothus gloriosus var. gloriosus H. E. McMinn 1938-6-20 5129 Sonoma Stewarts Point to Gualala. Comment
  RSA300955  Ceanothus griseus D. C. Michener 1982-7-26 4123 Sonoma Gualala Point county Park Comment
  UC73359  Ceanothus incanus Milo S. Baker 1898-6-11 649 Sonoma Little Sulphar Creek Comment
  UCD112175  Ceanothus incanus Collector unknown Date unknown s.n. Sonoma southeastern part of county. Comment
  RSA276845  Ceanothus integerrimus James I. McMurphy 1909-5-29 s.n. Sonoma Creek between Geyser Mtn and the Geysers Comment
  CAS-BOT-BC50955  Ceanothus integerrimus Maxine Wilkes 1933-6-1 s.n. Sonoma Mts near Cloverdale Comment
  UC1614277  Ceanothus jepsonii Charles M. Belshaw 1936-3-7 1554 Sonoma 1 mi. n.e. Occidental Comment
  CHSC93632  Ceanothus jepsonii var. albiflorus C. L. Schmidt 1987-2-27 1141 Sonoma Dorman Canyon Road, across small canyon from Bradford Mtn. ca. 10 miles NE of Healdsburg. 180 Comment
  CAS-BOT-BC51870  Ceanothus parryi H. E. McMinn 1922-6-7 165 Sonoma Camp Meeker Comment
  CAS-BOT-BC51878  Ceanothus parryi John Thomas Howell 1941-4-5 16172 Sonoma Rincon Ridge Comment
  CAS-BOT-BC51892  Ceanothus parryi A. A. Heller; H. E. Brown 1902-4-22 5337 Sonoma Between Santa Rosa and Agua Caliente 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
  SJSU14042  Ceanothus parryi C. L. Schmidt 1986-4-11 1109 Sonoma Trinity Rd, 1.5 mi E of Hwy 12 198 Comment
  UCD36684  Ceanothus parryi Beecher Crampton 1955-6-17 2933 Sonoma Sonoma County, 3.3 miles west of Forestville, along State Highway 12. Comment
  CAS-BOT-BC51875  Ceanothus parryi G. DeNevers 1982-2-20 1890 A Sonoma In the canyon behind (W of) Phillips Garden Comment
  CAS-BOT-BC51887  Ceanothus parryi Roger Raiche 1985-4-6 RR 50183 Sonoma West of Healdsburg, Dry Creek area, ridge West of Dry Creek Valley and North of Dorman Canyon (Crane Creek) 243 Comment
  SEINET13946221 Image available Ceanothus parryi Leo Koch 1939-1 631 Sonoma Campus of Santa Rosa Junior college. Comment
  UC580718  Ceanothus purpureus C. M. Belshaw 1936-3-8 1582 Sonoma 3/4 mile north of Annandel, northwest of Kenwood 144 Comment
  CAS-BOT-BC32656  Ceanothus sonomensis John Thomas Howell 1933-4-1 10930 Sonoma Slopes of Trinity Mt., 2 miles NE of Glen Ellen Comment
  SBBG26768  Ceanothus sonomensis J. T. Howell 1935-5-5 Sonoma Triniti Mtn 2 mi NE of Glen Ellen Comment
  UCD112701  Ceanothus sonomensis Roman Gankin 1966-3-3 689 Sonoma On south-facing slope in Hooker Canyon, below Cavedale Road, 3.1 miles east of junction with State Highway 12. Comment
  UCD112735  Ceanothus thyrsiflorus var. griseus Steven E. Smith 1977-5-14 25 Sonoma 3.8 mi. N. of Graton, W. side of Graton-Occidental Road. 5 Comment
  CAS-BOT-BC52394  Ceanothus velutinus Bell Richardson Jackson 1924-8-1 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC281968  Centaurea benedicta Volney Rattan 1877-6-23 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC282018  Centaurea calcitrapa Walter & Irja Knight 1963-10-25 393 Sonoma San Antonio Rd and US101 freeway Comment
  CAS-BOT-BC277156  Centaurea melitensis G. DeNevers 1981-6-6 1459 Sonoma Pepperwood Ranch Comment
  UCD130036  Centaurea melitensis Frederica Bowcutt 1994-6-24 1891 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles E of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/4 way from Bald Mountain Trail to Headwaters Trail. 554 Comment
  CAS-BOT-BC277254  Centaurea solstitialis G. DeNevers 1981-6-6 1447 Sonoma Pepperwood Ranch. At the first Pepperwood entrance Comment
  UCD55332  Centaurium tenuiflorum Ellen Dean 2006-6-28 3176 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. East side of Pepperwood Reservoir. 150 Comment
  JEPS21727  Centaurium trichanthum Lyman Benson 1930-6-18 2165 Sonoma 4 mi s Santa Rosa (San Francisco Bay watershed); North Coast Ranges, San Francisco Bay 60 Comment
  UC523518  Centromadia fitchii David D. Keck 1933-11-10 2726 Sonoma 1 mi e Shellville Comment
  CAS-BOT-BC251266  Cerastium Peter Rubtzoff 1959-6-20 4186 Sonoma Willow Creek Marsh. Comment
  UC1084464  Cerastium arvense G. Thomas Robbins 1937-6-6 228 Sonoma hills 2 - 3 mi. e. of Bodega Bay Comment
  CAS-BOT-BC388436  Cerastium glomeratum G. DeNevers 1981-4-16 713 Sonoma Pepperwood Ranch. Garrison Canyon, by shack Comment
  CAS-BOT-BC400229  Ceratophyllum demersum Peter Rubtzoff 1970-8-18 6319 Sonoma 5 mi. north of Sears Point 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
  UC1127922  Cercocarpus betuloides var. betuloides E. Armstrong 1934-3-26 910 Sonoma 1 mi nw of Camp Meeker 121 Comment
  UC1278119  Chamaemelum fuscatum B. Crampton 1955-3-14 2319 Sonoma Italian-Swiss Colony Winery, Asti Comment
  POM138055  Chamaesyce serpillifolia M. S. Baker 1898-11-25 744 Sonoma Russian River near Healdsburg. Comment
  JEPS52330  Chamaesyce serpyllifolia Milo S. Baker 1898-11-25 744 Sonoma near Healdsburg; Russian River bed Comment
  UCD137335  Cheilanthes intertexta Frederica Bowcutt 1996-3-24 2082 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 miles SE of Red Mountain. 563 Comment
  UC116485  Chenopodium botrys T. S. Brandegee July, 1885 Sonoma Cloverdale Comment
  CAS-BOT-BC493398  Chlorogalum pomeridianum G. DeNevers 1981-5-12 1136 Sonoma Carrison Canyon, Pepperwood Ranch Comment
  CAS-BOT-BC499255  Chlorogalum pomeridianum Peter Rubtzoff 1951-7-14 476 Sonoma Pitkin Marsh, near Forestville, uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC191597  Chorizanthe cuspidata var. cuspidata John Thomas Howell 1930-6-8 5271 Sonoma at N end of Bodega Bay Comment
  LA206575  Chorizanthe cuspidata var. cuspidata John Thomas Howell; 1930-6-8 5217 Sonoma N end of Bodega Bay Comment
Read comments
Feb 25 2015
  JEPS86777  Chorizanthe membranacea Jack and Betty Guggolz 1990-5-19 1054 Sonoma n side of the Pine Flat Road 7.1 mi in from Highway 128 612 Comment
  CAS-BOT-BC257026  Chorizanthe membranacea Milo S. Baker 1926-1-1 236 a-Local Sonoma Side canyon above Ken. Sps. [Kenwood Springs] Comment
  CAS-BOT-BC252851  Chorizanthe polygonoides var. polygonoides Greg de Nevers 1993-4-27 10410 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC248858  Chrysolepis P. S. Manos 1989-10-7 907 Sonoma North Coast Range, Mount St. Helena. Trail near the top 900 Comment
  JEPS37926  Chrysolepis chrysophylla Alice Griffin 1924-9-1 Sonoma Stewart's Point Comment
  UC22852  Cicendia quadrangularis F. T. Bioletti 1892-5-15 Sonoma Comment
  CAS-BOT-BC285251  Cichorium intybus Greg de Nevers 1992-6-26 10186 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  RSA791553  Cichorium intybus Peter Rubtzoff 1954-7-28 1599 Sonoma Marshes: Guerneville Marsh. Comment
  UCR249044  Cirsium Peter Rubtzoff 1960-9-14 4546 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  UCR250391  Cirsium Peter Rubtzoff 1955-9-24 2146 Sonoma Duncan Mills Marsh, upper portion of marsh 9 Comment
  CAS-BOT-BC290570  Cirsium Peter Rubtzoff 1964-5-20 5313 Sonoma Brooks Gulch Marsh. Comment
  RSA790282  Cirsium arvense Peter Rubtzoff 1955-8-13 2049 Sonoma Willow Creek Marsh. Comment
  UCD148368  Cirsium arvense Peter Rubtzoff 1955-8-13 2049 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC284427  Cirsium brevistylum John Thomas Howell 1930-6-8 5245 Sonoma 2 miles east of Bodega Comment
  CAS-BOT-BC280003  Cirsium douglasii var. douglasii R. F. Hoover 1966-7-17 9914 Sonoma Sausal Creek north of Alexander Valley Comment
  UC178901  Cirsium douglasii var. douglasii Katharine Brandegee 1905-6-25 Sonoma Bodega Comment
  UC30832  Cirsium occidentale var. venustum F. T. Bioletti 1893-1-1 Sonoma Glen Ellen Comment
  CAS-BOT-BC280368  Cirsium occidentale var. venustum Walter Knight; Irja Knight 1967-7-24 1966 Sonoma St. Helena Road between Santa Rosa and St. Helena Comment
  CAS-BOT-BC280374  Cirsium occidentale var. venustum Volney Rattan 1877-1-1 s.n. Sonoma Healdsburg Comment
  UC589641  Cirsium quercetorum F. F. Barbour 1938-4-28 Sonoma Sonoma Valley Comment
  CAS-BOT-BC280537  Cirsium quercetorum John Thomas Howell 1937-6-6 13047 Sonoma 7 miles n. of Petaluma on Stony Point road Comment
  RSA0070873  Cirsium remotifolium Marcus E. Jones 1882-7-18 3385 Sonoma Duncan's Mills. Comment
  UC1299441  Cirsium remotifolium var. odontolepis Freed W. Hoffman 1946-8-25 792 Sonoma near Guerneville; North Coast Ranges, Cemetery Ridge Comment
  UCSB15868  Clarkia amoena Breedlove, Dennis 1962-6-6 Sonoma along State Highway 128; 0.9 mile northwest of U.S. Highway 101; at Cloverdale 106 Comment
  SD62042  Clarkia amoena Darley F. Howe 1965-8-3 4098 Sonoma 2.4 miles east of Bodega Bay on Highway #6 Comment
  UC58865  Clarkia amoena unknown 1894-6-27 1087 Sonoma near Bodega Bay (Coast Road) 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
  UC423074  Clarkia amoena subsp. amoena Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC161060  Clarkia amoena subsp. amoena H. Lewis; M. Lewis 1947-6-15 436 Sonoma Highway 1, Bodega Bay at west road to Doran Park Comment
  CAS-BOT-BC172206  Clarkia concinna Rimo Bacigalupi 1926-5-2 1397 Sonoma Cazadero Comment
  LA206049  Clarkia concinna H. Lewis; 1951-7-10 868 Sonoma 0.7 mi W of Mark West Spring Comment
  JEPS43617  Clarkia concinna subsp. concinna Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  CAS-BOT-BC163150  Clarkia imbricata John Thomas Howell 1945-7-18 21315 Sonoma Dry slope bordering Pitkin Marsh Comment
  UC728606  Clarkia imbricata Milo S. Baker 1945-7-18 11107 Sonoma along path to <Pitkin> marsh; Pitkin Ranch Comment
  CAS-BOT-BC163463  Clarkia purpurea subsp. quadrivulnera Alice Eastwood 1915-6-5 4596 Sonoma Petrified Forest Comment
  POM171644  Clarkia purpurea subsp. quadrivulnera Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  CAS-BOT-BC164586  Clarkia purpurea subsp. viminea John Thomas Howell 1937-7-4 13067 Sonoma Near Petrified Forest Comment
  JEPS43668  Clarkia rhomboidea Eleanor Armstrong 1932-5-18 488 Sonoma 3 mi w Kenwood; Adobe Canyon 152 Comment
  OBI48970  Clarkia rubicunda Michener & Bioletti, Bioletti June 1893 s.n. Sonoma Glen Ellen Comment
  RSA6471  Claytonia exigua subsp. exigua Jens Clausen 1933-3-26 745 Sonoma Harrison Grade, betwen Grtaon and Occidental. In orchard, gravelly soil. 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
  CAS-BOT-BC439402  Claytonia gypsophiloides D. E. Breedlove 1983-4-11 58682 Sonoma Pepperwood Ranch W of Knights Valley. Comment
  UC66143  Claytonia gypsophiloides A. A. Heller 1902-3-16 Sonoma near Trenton Comment
  CAS-BOT-BC439405  Claytonia gypsophiloides Mrs. H. C. Cantelow 1938-5-1 4215 Sonoma 9 mi. N. of Kenwood Comment
  POM164088  Claytonia gypsophiloides A. A. Heller, H. E. Brown 1902-3-16 4611 Sonoma Russian River, Near Trenton Comment
  RSA17448  Claytonia gypsophiloides Elmer I. Applegate 1934-3-25 8846 Sonoma Sausal Creek, western foothills of the Mayacama Mts. Comment
  CAS-BOT-BC229139  Claytonia parviflora subsp. grandiflora Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC439632  Claytonia parviflora subsp. parviflora Peter Rubtzoff 1964-7-29 5435 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC439635  Claytonia parviflora subsp. parviflora Peter Rubtzoff 1953-5-17 1390 Sonoma South of Guerneville (Neeley Hill area). Comment
  UCD100671  Claytonia parviflora subsp. parviflora Jennifer Bury; Peggy Herzog 1993-5-8 291 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 396 Comment
  POM118511  Claytonia perfoliata Marcus E. Jones 1924-4-23 s.n. Sonoma Petaluma Comment
  UCD84822  Claytonia perfoliata Nellie Coffey 1931-4-12 s.n. Sonoma Mount St. Helena. Comment
  CAS-BOT-BC443680  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1946-3-31 21590 Sonoma Sonoma Comment
  RSA785705  Claytonia perfoliata subsp. perfoliata Carrie A. Herd 1982-4-25 82 Sonoma Crane Creek Regional Park Comment
  CAS-BOT-BC91529  Clematis lasiantha Greg de Nevers 1993-8-14 10489 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Devil's Kitchen. 457 Comment
  CAS-BOT-BC499957  Clintonia andrewsiana Rimo Bacigalupi 1926-5-8 1393 Sonoma Cazadero Comment
  CAS-BOT-BC366865  Collinsia heterophylla Greg de Nevers 1998-4-21 11157 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Below Jim & Donna's house 400 Comment
  JEPS5721  Collinsia heterophylla Calvin and Phyllis McMillan 1951-5-30 Sonoma along road from Healdsburg to Stewarts Point 4.6 mi e junction of road from Annapolis ((8 mi e of Soda Springs)) Comment
  SEINET12335260  Collinsia heterophylla F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -253 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UC725593  Collinsia heterophylla A. A. Heller 1940-5-10 15610 Sonoma ridge w of Skagg's Springs Comment
  CHSC22323  Collinsia sparsiflora Robert A. Schlising 1962-3-31 2112 Sonoma In field. Coast Ranges. 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
  RSA3296  Collinsia sparsiflora var. arvensis D. D. Keck 1931-4-2 999 Sonoma Boyes Springs 30 Comment
  JEPS15453  Collinsia tinctoria Eleanor Armstrong May 1932 508 Sonoma Camp Meeker; near rr tressel 121 Comment
  CAS-BOT-BC229544  Collomia diversifolia Peter Rubtzoff 1973-7-24 7201 Sonoma Upper Green Valley Marsh Comment
  SEINET12332732  Collomia rawsoniana W. Knight, Knight, I.; Knight, T. 1985-1 5144 Sonoma Petaluma Comment
  CHSC446  Convolvulus soldanella A. Small 1954-6-4 Sonoma Bodego Comment
  SEINET6174100 Image available Convolvulus soldanella Sally Walker 1982-5-24 Sonoma Duncans Landing Comment
  CAS-BOT-BC286004  Conyza bonariensis Walter Knight; Irja Knight 1963-9-1 215 Sonoma Magnolia Ave., Petaluma Comment
  CAS-BOT-BC288916  Conyza canadensis Peter Rubtzoff 1986-9-28 9753 Sonoma Russian River at Forest Hills, 55 miles E of Guerneville Comment
  JEPS128187  Conyza canadensis Roger Raiche 1999-8-28 027 .99 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS95194  Cordylanthus maritimus subsp. palustris Jake Ruygt and Josh Collins 1993-9-17 Sonoma w 'Horseshoe' Pond (Petaluma Marsh); Petaluma Marsh Comment
  CAS-BOT-BC238227  Cordylanthus tenuis subsp. brunneus Francis W. Pennell 1940-7-3 26044 Sonoma Hoods Peak, n.e. of Kenwood 731 Comment
  HSC20636  Cordylanthus tenuis subsp. brunneus L. S. Rose 1962-8-6 62078 Sonoma 2 mi. NE of Occidenatal 183 Comment
  JEPS57382  Cordylanthus tenuis subsp. capillaris L. R. Heckard and T. I. Chuang 1968-6-18 1953 Sonoma n Occidental (Stoetz Lane about 3/4 mi w of Harris grade road) Comment
  JEPS79414  Cordylanthus tenuis subsp. capillaris Edward Lee with W. A. Setchell 1936-6-7 2188 Sonoma south ridge fire trail, Bohemian Grove Comment
  SBBG32336  Cordylanthus tenuis subsp. capillaris L. S. Rose 1962-8-6 62078 Sonoma 2 mi NE of Occidental 182 Comment
  UC761837  Cordylanthus tenuis subsp. capillaris R. F. Hoover 1942-7-13 5916 Sonoma 3 mi s Monte Rio Comment
  CAS-BOT-BC101572  Corethrogyne filaginifolia Mary P. Wells 1981-7-2 s.n. Sonoma Unit 35A near Leeward Road, The Sea Ranch Comment
  CAS-BOT-BC209723  Cornus Peter Rubtzoff 1987-7-18 9797 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Along the river off Summerhouse Park Road 0.2 mile from (west of) Forest Hills Road Comment
  CAS-BOT-BC212287  Cornus glabrata Peter Rubtzoff 1952-5-31 1112 Sonoma South of the Upper Pitkin Marsh near Forestville Comment
  CAS-BOT-BC212292  Cornus glabrata Walter Knight; Irja Knight 1964-8-23 681 Sonoma corner Calistoga and Porter Creek Roads Comment
  CAS-BOT-BC209880  Cornus nuttallii A. T. Graff 1922-5-1 s.n. Sonoma Cazadero Comment
  UC398754  Coronopus didymus Katharine Brandegee Sonoma Duncan's Mills Comment
  CAS-BOT-BC376394  Cotoneaster Greg de Nevers 1994-3-26 10518 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Garrison Canyon. 457 Comment
  CAS-BOT-BC290298  Cotula coronopifolia Walter Knight; Irja Knight 1963-9-29 231 Sonoma Near railroad bridge over Petaluma River ca. 1 mi. S. of Petaluma Comment
  RSA790515  Cotula coronopifolia Peter Rubtzoff 1970-10-29 6419 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  UCD165873  Cotula coronopifolia Peter Rubtzoff 1970-10-29 6419 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  SD206989  Crassula aquatica Reid Moran, C. Quibell and W. Knight. 1991-5-21 31054 Sonoma Diversion channel south of Spring Lake, Santa Rosa. 99 Comment
  CAS-BOT-BC427650  Crassula aquatica Peter Rubtzoff 1958-4-26 3599 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  JEPS86784  Crassula solieri Reid Moran, Chas. Quibell 1991-5-15 31053 Sonoma 1 km. e. Glen Ellen (Rte. 12 0.5 km s. of Arnold Dr., Sonoma Valley Regional Park); Sonoma Valley Regional Park 110 Comment
  CAS-BOT-BC143508  Crataegus gaylussacia Peter Rubtzoff 1958-5-3 3614 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC143511  Crataegus gaylussacia Peter Rubtzoff 1973-10-10 7344 Sonoma (Tributary of Americano Creek) 2 mi. west of Bloomfield Comment
  CAS-BOT-BC32984  Crataegus gaylussacia Amos Arthur Heller 1902-8-20 6052 Sonoma at Sebastopol Comment
  NY435883  Crataegus gaylussacia A. A. Heller 1902-8-20 6052 Sonoma Lagoon at Scbastopol. Comment
  RSA178024  Crataegus suksdorfii Robert F. Thorne 1965-4-19 34279 Sonoma half way betw Freestone and Occidental. 137 Comment
  HSC90783  Croton setiger Barbara Ertter 1988-11-5 8033 Sonoma Lake Sonoma ca. 5 mi. due S of Cloverdale, point below Little Flat Parking area W of bridge 152 Comment
  CDA36048  Crupina vulgaris CDFA Staff Sep 1976 Sonoma Santa Rosa. 0 Comment
  JEPS117125  Crupina vulgaris Peter Warner 2010-5-6 145 Sonoma Annadel State Park, ~200 m NE of Canyon Trail at junction with unimproved trail to upland vernal pool, ~570 m W of dam at Lake Ilsanjo Comment
  CAS-BOT-BC190150  Crypsis schoenoides Peter Rubtzoff 1962-9-16 5085 Sonoma Vacation Beach, 2 miles below Guerneville. On Russian River bottom. Comment
  CAS-BOT-BC190180  Crypsis vaginiflora Peter Rubtzoff 1958-8-16 3869 Sonoma Laguna de Santa Rosa north of Sebastapol (near Occidental Road). Comment
  UC726040  Cryptantha flaccida A. A. Heller 1940-5-10 15608 Sonoma w of Skaggs Springs; Warm Springs Creek Comment
  RSA63678  Cryptantha intermedia M. S. Baker 1950-5-20 12218 Sonoma Hope Valley on Wood road opposite old Chamberlain Ranch, near Kenwood. Comment
  UC280520  Cryptantha muricata Katharine Brandegee Sonoma Mt. St. Helena Comment
  CAS-BOT-BC164356  Cucurbita Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa, N of Sebastopol (near Occidental Road). Comment
  RSA785748  Cucurbita Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  CDA110  Cupressus macnabiana D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .284 Sonoma Cavedale Rd. Comment
  SEINET11739328  Cupressus macnabiana W. Knight, Knight, I.; Howell, J. T. 1984-1 5077 Sonoma above Hooker Canyon on Cavedale Road 640 Comment
  CAS-BOT-BC85460  Cupressus sargentii John Thomas Howell 1931-9-26 8092 Sonoma Serpentine outcrop 2 miles from Monte Rio on road to Camp Meeker Comment
  CAS-BOT-BC85468  Cupressus sargentii Rimo Carlo Felice Bacigalupi 1935-7-12 2374 Sonoma Pine Flat, southern end Mayacamas Range, 10 miles east of Healdsburg. Comment
  CAS-BOT-BC85472  Cupressus sargentii J. Ed. McClellan; Mrs. J. Ed. McClellan 1975-1-11 s.n. Sonoma Harrison Grade Rd. Comment
  UC1134241  Cupressus sargentii R. Bacigalupi 1935-7-17 2374 Sonoma 10 m e Healdsburg (at s end of Pine Flat); Calistoga Quad., Mayacamas Range, Pine Flat Comment
  UC1193102  Cupressus sargentii P. Zinke 1949-6-14 61 Sonoma ridge between Dry Creek and Smith Creek; Quad 61A3 457 Comment
  UC518995  Cupressus sargentii J. Clausen 1933-3-26 749 Sonoma between Graton and Occidental; Summit of Harrison Grade Comment
  UCD132955  Cupressus sargentii G. F. Hrusa; T. D. Wilfred 1995-12-3 12483 Sonoma Large grove imeediately NW of summit of Chalk Moutian. Foote Ranch Property at NW base of Mt. St. Helena. 500 Comment
  CAS-BOT-BC85465  Cupressus sargentii Stephen N. Stephenson 1979-8-13 s.n. Sonoma south facing slope of Sonoma Mt.,, adjacent to Sonoma-Napa rd. near county line 700 Comment
  NY16794  Cupressus sargentii D. D. Keck 1933-11-6 2651 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC166912  Cuscuta howelliana Peter Rubtzoff; Nancy Harrison 1976-6-18 8648 Sonoma False Lake Meadow area, Annadel State Park. Comment
  RSA786666  Cuscuta pentagona Peter Rubtzoff 1975-9-28 8414 Sonoma Russian River bank at Forest Hills, 5.5 mi east of Guerneville. Comment
  CAS-BOT-BC376435  Cynodon Greg de Nevers 1996-9-23 10879 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Creek at Piney Canyon. 400 Comment
  CAS-BOT-BC190343  Cynodon dactylon Peter Rubtzoff 1951-7-21 504 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower marshes. Comment
  UCD60103  Cynodon dactylon var. villosus Beecher Crampton 1957-5-16 4042 Sonoma 4-5 miles southwest Healdsburg, Foreman Lane, Frank C. Grace Ranch. Comment
  UCR248769  Cynodon transvaalensis Peter Rubtzoff 1970-9-13 6385 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  CAS-BOT-BC331482  Cynosurus Peter Rubtzoff 1969-8-29 6165 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  SD56679  Cynosurus cristatus D. F. Howe 1963-7-3 3588 Sonoma 20 miles north of junction of #12 on #1 Comment
  CAS-BOT-BC190432  Cynosurus echinatus G. DeNevers 1982-4-30 1954 Sonoma Pepperwood Ranch. In pasture at bottom of Hansel's driveway. Comment
  CAS-BOT-BC190435  Cynosurus echinatus Mary P. Wells 1984-5-24 268 Sonoma Annadel State Park Santa Rosa. Comment
  UCD60152  Cynosurus echinatus Frederica Bowcutt 1984-6-23 445 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg on the Sonoma County coast. West of Highway 1, approx. 1/3 mile north of Gerstle Cove. 15 Comment
  CAS-BOT-BC114434  Cyperus erythrorhizos Peter Rubtzoff 1963-9-21 5270 Sonoma Laguna de Santa Rosa E of Graton. Comment
  CAS-BOT-BC113904  Cyperus niger var. capitatus Peter Rubtzoff 1951-6-10 193 Sonoma Plants of the Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  RSA516605  Cypripedium californicum Rimo C. Bacigalupi, G. Thomas Robbins, F. Hoffmann 1956-5-30 5668 Sonoma Headwaters of Big Austin Creek, vicinity of The Cedars, near Layton Chromite mine. 267 Comment
  UCD137999  Damasonium californicum Herbert L. Mason 1928-4-13 4325 Sonoma near Petaluma. Comment
  CAS-BOT-BC192277  Danthonia californica John Thomas Howell 1935-5-5 12611 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  JEPS86300  Danthonia californica Jack and Betty Guggolz 1989-4-29 1002 Sonoma Comment
  SBBG117242  Danthonia californica B. Crampton 1965-5-13 7339 Sonoma ca. 8.5 mi SE of Geyserville, S end of Alexander Valley. Jct of Calistoga (St Hwy 128) and Chalk Hill Rds Comment
  SD180627  Danthonia californica Beecher Crampton 1965-5-13 7339 Sonoma ca. 8.5 miles southeast of Geyserville; south end of Alexander Valley; junction of Calistoga (highway 128) and Chalk Hill Road Comment
  UCD33094  Danthonia californica Beecher Crampton 1966-5-10 7724 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  SEINET7042681  Danthonia californica A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UC1023587  Danthonia californica Virginia Bufford 1936-5-14 282 Sonoma Sonoma Mt. Rd. about 10 mi from Santa Rosa Comment
  CHSC100548  Danthonia californica var. americana Beecher Crampton 1965-5-13 7339 Sonoma Ca. 8.5 miles SE of Geyserville, south end of Alexander Valley, jct. of Calistoga (Hwy 128) and Chalk Hill Roads. Comment
  UCR141956  Danthonia californica var. americana Beecher Crampton 1967-5-15 7935 Sonoma Coast Range, 14 miles NW of Calistoga on Hwy. 128 near Chalk Hill Road 122 Comment
  SEINET10912493  Danthonia californica var. americana B. Crampton 1963-5-27 Crampton 6811 Sonoma Alexander Valley, state Hwy. 128, ca. 8 miles SE of Geyserville. Roadside ditch at base of foothill slope. Comment
  CAS-BOT-BC154137  Datura Peter Rubtzoff 1958-8-30 3937 Sonoma Vacation Beach, near Guerneville, along Russian River Comment
  JEPS15985  Daucus carota W. L. Jepson 1931-7-19 15936 Sonoma Bodega, Watson School 152 Comment
  UCR37765  Daucus carota A. C. Sanders 1985-1-19 5374 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  UCD127395  Daucus carota R. Tofsrud 1948-6-24 s.n. Sonoma Santa Rosa. Comment
  RSA316514  Daucus pusillus Patricia Wilder 1965-6-10 3638 Sonoma 1 mile north of Jenner on Highway 1 30 Comment
  CAS-BOT-BC292097  Delairea odorata Greg de Nevers 1986-12-17 8117 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  UC963909  Delphinium bakeri Milo S. Baker 1946-4-25 11337 Sonoma Coleman Val., west of Occidental on Hedrin Ranch Sonoma Co. Comment
  RSA0005301  Delphinium bakeri Milo S. Baker 1939-05 9489 Sonoma Coleman Valley Comment
  CAS-BOT-BC9024  Delphinium decorum Gertrude Raven Hardman 1925-3-10 s.n. Sonoma Tomales Comment
  UC467770  Delphinium hesperium Milo S. Baker May 1899 Sonoma near Agua Caliente 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
  HSC25040  Delphinium luteum R. F. Good 1962-4-19 30 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes 46 Comment
  UC906501  Delphinium luteum Joseph Ewan 1935-5-12 9203 Sonoma grassy slope on Bodega Bay rd 2 mi w Bodega Comment
  CAS-BOT-BC8006  Delphinium nudicaule A. A. Heller; H. E. Brown 1902-3-12 5046 Sonoma Sonoma Creek, Eastern Base of Mt. Hood Comment
  CAS-BOT-BC8009  Delphinium nudicaule Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy, 3 miles north of Occidental Comment
  CAS-BOT-BC8010  Delphinium nudicaule Elmer Ivan Applegate 1934-3-25 8848 Sonoma Pine Flat region, west slope of Mayacama Mountains Comment
  CAS-BOT-BC8013  Delphinium nudicaule F. Krauss 1895-5-6 s.n. Sonoma near Franza Valley Comment
  UC424806  Delphinium nudicaule Milo S. Baker 1930-4-5 3930 C Sonoma on Coast rd near Russian River Comment
  UC467759  Delphinium nudicaule H. P. Chandler 1907-4-21 7520 Sonoma road from Glen Ellen to Oakville near summit Comment
  UC906473  Delphinium variegatum subsp. variegatum J. Ewan 1935-5-12 9240 Sonoma 2 mi n Kenwood; Los Guilicos Comment
  CAS-BOT-BC7763  Delphinium variegatum subsp. variegatum Milo S. Baker 1928-4-10 2987 a Sonoma Bennett Val. Comment
  CAS-BOT-BC7765  Delphinium variegatum subsp. variegatum Ella D. Cantelow 1940-4-6 4273 Sonoma South of Shellville Comment
  UC72732  Dendromecon rigida Milo S. Baker 1899-5-7 Sonoma near Occidental Comment
  CAS-BOT-BC11002  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-BC586  Dendromecon rigida subsp. rigida Roxana Stinchfield Ferris; Laura Lorraine 1961-6-15 13558 Sonoma Green Valley Rd, 0.8 miles east of junction with Harrison Grade Rd. Comment
  CAS-BOT-BC210076  Dentaria Peter Rubtzoff 1958-5-10 3651 Sonoma Laguna de Santa Rosa north of Cunningham (near Todd Road) Comment
  CAS-BOT-BC192617  Deschampsia cespitosa subsp. holciformis Mary P. Wells 1981-8-2 s.n. Sonoma Path to garden from Timber Ridge Road, The Sea Ranch Comment
  UC1146616  Deschampsia cespitosa subsp. holciformis Freed W. Hoffman 1944-6-8 2032 Sonoma Kruz Ranch North Coast Ranges, Sonoma Coast, Kruz Ranch Comment
  CAS-BOT-BC201650  Deschampsia danthonioides J. W. Congdon 1880-5-6 s.n. Sonoma Petaluma Comment
  UC38010  Deschampsia danthonioides Michener and Bioletti 1893-5-29 108 Sonoma Kenwood Comment
  CAS-BOT-BC201950  Deschampsia elongata Greg de Nevers 1992-6-16 10174 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 304 Comment
  UCD63470  Deschampsia elongata Beecher Crampton 1957-7-11 4308 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD63561  Deschampsia elongata Beecher Crampton 1955-6-17 2951 Sonoma 4.5 miles S of Cazadero. Comment
  SEINET10524284  Deschampsia elongata A. Arthur Heller 1902-6-7 Heller 5653 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC254498  Dichanthelium acuminatum subsp. acuminatum Walter Knight; Irja Knight 1968-1-1 2264 Sonoma From end of footbridge at Sulphur Creek opposite bath houses, Geysers Resort Comment
  UCD139196  Dichelostemma capitatum subsp. capitatum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 68 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Comment
  CAS-BOT-BC183606  Digitaria Peter Rubtzoff 1973-8-29 7283 Sonoma Sonoma Creek near Aqua Caliente Road crossing west of Aqua Caliente. Comment
  CAS-BOT-BC176365  Digitaria sanguinalis Peter Rubtzoff 1962-8-24 5069 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC209116  Digitaria sanguinalis John Thomas Howell 1957-9-26 32981 Sonoma Sandy Russian River bottom near Guerneville. Comment
  UCD64008  Digitaria sanguinalis Milo S. Baker 1942-8-27 10378 Sonoma At Maplewood. Comment
  UCD64147  Digitaria sanguinalis Beecher Crampton 1967-10-24 8220 Sonoma Ca. 4 miles east Black Point, State Hwy. 37. Comment
  CAS-BOT-BC151881  Diplacus congdonii John Thomas Howell 1937-4-11 12892 Sonoma Triniti Mt. east of Glen Ellen Comment
  CAS-BOT-BC151972  Diplacus douglasii D. E. Breedlove 1983-4-11 58688 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC151749  Diplacus kelloggii John Thomas Howell 1931-4-19 6432 Sonoma Spring Mountain Road, 9.5 miles from St. Helena Comment
  CAS-BOT-BC153328  Diplacus layneae Alice Eastwood 1915-6-5 s.n. Sonoma Petrified Forest Comment
  CAS-BOT-BC151376  Diplacus tricolor L. R. Abrams 1918-4-27 6901 Sonoma Santa Rosa Comment
  UCR30861  Dipsacus sativus John C. Roos 1948-8-29 3962 Sonoma North Coast Ranges, Healdsburg Comment
  UCD137487  Dipsacus sativus J. D. Skoss 1948-7-25 40 Sonoma Shellville. Comment
  UCD148325  Dipsacus sativus Peter Rubtzoff 1954-7-27 1570 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC331485  Distichlis Peter Rubtzoff 1970-7-17 6285 Sonoma 5 miles north of Sears Point. Comment
  UCD64619  Distichlis spicata var. stolonifera Mary M. Hektner 1976-8-26 263 Sonoma Walk-on-Beach, Sea Ranch, near Sate Highway 1, Unit 28 Owner's Map. Comment
  JEPS14425  Downingia concolor var. concolor W. L. Jepson 1921-6-3 9313 Sonoma Cotati Valley, at Wilfrid sta. Cotati Valley Comment
  JEPS14426  Downingia concolor var. concolor F. T. Bioletti 1891-5-9 Sonoma Sonoma Comment
  UC1001278  Downingia concolor var. concolor W. L. Jepson 1921-5-6 9189 Sonoma Sonoma Valley Comment
  UC1244021  Downingia concolor var. concolor John H. Weiler 1960-5-22 60128 Sonoma Schellville, Southern Pacific railroad gradings Schellville Comment
  UC416606  Downingia concolor var. concolor Katharine Brandegee Sonoma Santa Rosa Comment
  UCD84092  Downingia concolor var. concolor Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. Vernal Pool. 37 Comment
  JEPS3102  Downingia cuspidata F. T. Bioletti 1893-6-10 Sonoma Los Guilucos Valley; ; Los Guilucos Valley, Sonoma Co. Comment
  CAS-BOT-BC164682  Downingia pusilla Peter Rubtzoff; H. A. Froebe 1971-5-30 6494 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  JEPS103635  Downingia pusilla Lisa Schultheis 1995-5-15 148 -95 Sonoma Santa Rosa. Alton Lane, approximately 0.25 miles W of Fulton Road Comment
  JEPS87237  Downingia pusilla Jack and Betty Guggolz 1992-5-6 1278 Sonoma 1.25 mi ne Windsor 42 Comment
  UCD166073  Downingia pusilla Peter Rubtzoff; H. A. Froebe 1971-5-30 6494 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  JEPS26987  Downingia pusilla Milo S. Baker 1934-4-10 7774 Sonoma 2 mi s Warfield R.R. sta. (n side of highway) Comment
  POM179770  Drymocallis glandulosa var. wrangelliana J. T. Howell 1930-6-8 5255 Sonoma 1 mile east of Bodega Bay Comment
  POM188329  Dryopteris arguta Marcus E. Jones 1931-7-5 29172 Sonoma West of Cloverdale. Comment
  UC62802  Dryopteris expansa J. Burtt Davy 1896-3-13 1641 Sonoma near Duncan Mills Comment
  CAS-BOT-BC536738  Duchesnea indica Nelly Farnum 1963-5-19 38 Sonoma 3 miles north of Sonoma in small field. Comment
  CAS-BOT-BC411376  Dudleya caespitosa Carl B. Wolf 1927-9-2 1356 Sonoma 8 miles N of Fort Ross Comment
  UCD101882  Dudleya cymosa Frederica Bowcutt 1994-6-12 1877 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Along Adobe Canyon Road, on road cut. 396 Comment
  CAS-BOT-BC213758  Dudleya eastwoodiae Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC428384  Dudleya farinosa L. R. Abrams 1920-7-3 7634 Sonoma Near Stewarts Point Comment
  UC933225  Dudleya farinosa Reid Moran March 1949 3184 Sonoma coast n Bodega Comment
  SD131828  Dysphania pumilio Barbara Eritter 1988-11-5 8032 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, Point below Little Flat parking area W of bridge, steep bare banks left by receding water. 152 Comment
  RSA785441  Echinochloa Peter Rubtzoff 1976-8-29 8836 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Comment
  CAS-BOT-BC176199  Echinochloa crus-galli Peter Rubtzoff 1956-9-14 2860 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC208556  Echinochloa crus-galli John Thomas Howell 1957-10-12 32999 Sonoma Ca. 1 mi. SW of Sonoma Comment
  CAS-BOT-BC376432  Elatine Greg de Nevers 1996-5-30 10838 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In the side canyon between Leslie Creek and Dentist's Lake. 400 Comment
  RSA800160  Eleocharis Peter Rubtzoff, Nancy Harrison 1974-9-7 7881 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  UCD164996  Eleocharis Peter Rubtzoff; Nancy Harrison 1974-9-7 7880 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  RSA800157  Eleocharis Peter Rubtzoff 1972-8-26 6858 Sonoma Laguna, Chileno Valley. Comment
  UCD49742  Eleocharis palustris S. Galen Smith; Malcolm A. Nobs 1949-8-1 1113 Sonoma Bog 2 miles east of Stewart's Point on road to Geyserville, Sonoma County. Comment
  CAS-BOT-BC112663  Eleocharis parvula Peter Rubtzoff 1973-9-15 7329 Sonoma Lower Salmon Creek Marsh. Just east of Hwy 1. Comment
  CAS-BOT-BC112072  Eleocharis quinqueflora Peter Rubtzoff 1951-8-5 596 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112271  Eleocharis rostellata Peter Rubtzoff 1951-7-21 495 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC113673  Eleocharis tenuis var. tenuis Sturgeon 1956-7-3 s.n. Sonoma Near Occidental (Sturgeon's Mill ?) Comment
  CAS-BOT-BC213788  Elymus X hansenii G. DeNevers 1981-6-20 1581 Sonoma Pepperwood Ranch, in Leslie Creek bed. Comment
  JEPS45815  Elymus californicus Eleanor Armstrong 1932-5-23 167 Sonoma 1 mi w of Camp Meeker (near coast) 91 Comment
  UC1146677  Elymus glaucus Freed W. Hoffman 1943-6-13 2047 Sonoma Little Sulphur Creek North Coast Ranges Comment
  UCR255679  Elymus glaucus Greg de Nevers 1989-1 9065 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  SEINET11690147  Elymus glaucus J. T. Howell, Knight, W.; Knight, I. 1987-1 6229 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC203724  Elymus glaucus subsp. glaucus Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 18 miles east of Stewart's Point Comment
  CAS-BOT-BC204307  Elymus trachycaulus subsp. trachycaulus G. DeNevers 1981-6-6 1454 Sonoma Pepperwood Ranch. At first Pepperwood entrance Comment
  SEINET12773264  Elymus triticoides J. B. Davy 1897-9-18 4037 Sonoma Petaluma. Comment
  UCR248960  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-24 1985 Sonoma Forestville Marsh 71 Comment
  RSA94292  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1951-8-4 585 Sonoma Pitkin Marsh, near Forestville. A marshy opening south of the Upper Marsh Comment
  RSA94339  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1951-7-1 345 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC268074  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1958-8-23 3914 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road. Comment
  UCD105936  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1951-7-8 415 Sonoma Pitkin Marsh, near Forestville. Comment
  UCD158775  Epilobium ciliatum subsp. watsonii James A. Neilson Jr. 1974-7-10 2814 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  RSA155508  Epilobium hallianum L. S. Rose 1962-6-1 62060 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  SEINET10847992 Image available Epilobium torreyi Henry N. Bolander 1867-1 Bolander 6535 Sonoma Cloverdale. Comment
  RSA784480  Equisetum Peter Rubtzoff 1973-8-29 7285 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA784473  Equisetum Peter Rubtzoff 1962-5-25 4840 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  CAS-BOT-BC210088  Equisetum hyemale subsp. affine Peter Rubtzoff 1959-6-20 4184 Sonoma Willow Creek Marsh. Comment
  RSA785850  Equisetum hyemale var. affine Peter Rubtzoff 1961-10-23 4785 Sonoma Laguna de Santa Rosa area NE of Graton. Comment
  RSA94454  Equisetum hyemale var. affine Peter Rubtzoff 1951-6-10 191 Sonoma The Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC164652  Equisetum laevigatum Peter Rubtzoff 1961-8-26 4725 Sonoma Vacation Beach, near Guerneville. Comment
  UCD148428  Equisetum laevigatum Peter Rubtzoff 1961-8-26 4725 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC57643  Equisetum telmateia Walter Knight; Irja Knight 1963-9-15 383 Sonoma Los Alamos Rd. Comment
  UC810265  Equisetum telmateia subsp. braunii Koch 1940-4-16 9543 Sonoma Hwy between Salmon Creek and Wright's Beach (Hwy. 1) 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-BC182770  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1963-9-28 5277 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  CAS-BOT-BC291172  Erechtites glomeratus Mary P. Wells 1985-5-26 494 Sonoma 230 Pilot's Reach, The Sea Ranch Comment
  UC1563681  Eremocarpus setiger Barbara Ertter 1988-11-5 8033 Sonoma point below Little Flat parking area (w of bridge, ca 5 air mi due s of Cloverdale); Lake Sonoma 152 Comment
  CAS-BOT-BC131610  Ericameria arborescens Walter Knight; Irja Knight 1963-8-23 194 Sonoma Joost Ranch, Calistoga Rd. Comment
  SEINET12537284  Ericameria ericoides Jennifer S. Kluse 2010-1 3 Sonoma University of California, Bodega Bay Marine Laboratory; Ridge of dune directly in front of Marine Lab main building.; Bodega Bay Marine Lab Comment
  POM359364  Ericameria ericoides var. ericoides E. A. Purer 1932-7-24 s.n. Sonoma Near Bodega Bay Comment
  UC1299250  Erigeron Freed W. Hoffman 1946-8-14 590 Sonoma East Austin Creek North Coast Ranges, Rocky Mountain, East Austin Creek Comment
  RSA696823  Erigeron glaucus J. Russell Bruff 1936-8-21 s.n. Sonoma Bodega Bay region Comment
  SEINET7067253  Erigeron glaucus A. G. Vestal 1947-5-13 s.n. Sonoma South Sonoma Coast, about 1.3 miles north of Salmon Creek on Route 1. Coordinate datum: NAD27. Comment
  RSA94309  Erigeron philadelphicus Peter Rubtzoff 1951-6-9 185 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC224150  Eriodictyon californicum Roxana S. Ferris; Laura Lorraine 1961-6-15 13555 Sonoma Green Valley Road 0.8 mi. E of junction with Harrison Grade Road Comment
  UCD112399  Eriodictyon californicum Christopher Mallek 2008-5-2 s.n. Sonoma Hooker Canyon. 590 Comment
  RSA0081676  Eriogonum cedrorum Roger Raiche 1984-6-23 40234 Sonoma The Cedars, 5 miles N of Cazadero on King Ridge Road, headwaters Big Austin Creek, above tributary creek referred to locally as Azalea Creek (NE fork before Layton Mine bldgs.). 549 Comment
  CAS-BOT-BC250013  Eriogonum fasciculatum var. foliolosum Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road near the Warm Springs Dam Overlook Comment
  RSA766132  Eriogonum latifolium J. T. Howell 1930-6-8 5257 Sonoma 1 mile east of Bodega Bay Comment
  UC196696  Eriogonum latifolium Charlotte M. Hoak 1912-8-8 Sonoma mouth of Russian River Russian River 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
  CAS-BOT-BC259466  Eriogonum luteolum R. D. Stone 1983-6-14 539 Sonoma Headwaters of Squaw Cr. drainage, S-facing slope ca. 1.2 mi. NW of Geyser Rock 1005 Comment
  CAS-BOT-BC259473  Eriogonum luteolum F. G. Krauss 1893-10-4 s.n. Sonoma K. Ranch 5 miles W. of Calistoga Comment
  UC1299729  Eriogonum luteolum var. luteolum Freed W. Hoffman 1946-9-26 568 Sonoma Layton Mine Austin Creek, Layton Mine Comment
  UC6525  Eriogonum luteolum var. luteolum Alice King Oct. 1896 Sonoma Healdsburg Comment
  UC1299720  Eriogonum nervulosum Freed W. Hoffman 1947-9-29 507 Sonoma Layton Mine Austin Creek, Layton Mine Comment
Read comments
Oct 12 2013
  JEPS56644  Eriogonum nudum var. auriculatum W. L. Jepson 1936-8-20 17964 Sonoma nw, between Macdonald road station and Alder Springs Cloverdale Comment
  UC77615  Eriogonum nudum var. nudum Prof. T. S. Heaton June 1888 Sonoma Verrano Comment
  SEINET6165148 Image available Eriogonum polypodum Unknown 1983-7-18 s.n. Sonoma 3 mi SW of Occidental Comment
  CAS-BOT-BC262387  Eriogonum vimineum G. DeNevers 1981-9-12 1838 Sonoma Pepperwood Ranch. Crest of Franz Valley Road Comment
  CAS-BOT-BC262390  Eriogonum vimineum G. DeNevers 1981-6-15 1513 Sonoma Pepperwood Ranch. On Franz Valley Road Comment
  SEINET11935781  Eriogonum vimineum Unknown 1986-1 60288 Sonoma Sonoma Co. at Lake Co. line: Mayacamas Mts., Pine Mt. fireroad, ca 1/2 mi N of Ida Clayton Rd 747 Comment
  UCSB19782  Eriophyllum lanatum Richardson, A. 1961-6-16 Sonoma Along Sweetwater Springs Rd. 1 mi. beyond turn to Armstrong Redwoods State Park north of Gurneville Comment
  CDA5240  Eriophyllum lanatum var. achilleoides T. C. Fuller 1958-5-24 4000 Sonoma Vinehill District. 0 Comment
  UC507060  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-5-20 E 26 Sonoma 1 mi n Healdsburg Comment
  UC90254  Eriophyllum lanatum var. achilleoides T. S. Brandegee July 1893 Sonoma Russian River Comment
Read comments
Jan 10 2016
  JEPS34507  Eriophyllum lanatum var. arachnoideum M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 233 Sonoma near Guerneville Comment
  UC133116  Eriophyllum lanatum var. arachnoideum Alice Eastwood 1900-9-30 Sonoma Bodega Point Comment
  UCD103082  Erodium botrys Robert F. Thorne 1965-4-19 34265 Sonoma Cotati, Waters Ranch. Comment
  CDA28603  Eryngium aristulatum G. F. Hrusa, A. Buckmann (DFG) 1996-10-5 13582 B Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Comment
  POM132678  Eryngium armatum A. D. E. Elmer 1903-07 4776 Sonoma Petaluma. Comment
  SD56682  Eryngium armatum Darley F. Howe 1963-7-3 3584 Sonoma 20 miles north of junction with Highway 12 on Highway 1. Comment
  CAS-BOT-BC54764  Erysimum franciscanum Catherine Best 1981-5-2 s.n. Sonoma South side of the mouth of the Russian RIver. Comment
  CAS-BOT-BC502685  Erythronium californicum M. S. Baker 1898-4-5 s. n. Sonoma Gualala River Comment
  UC70419  Erythronium californicum Milo S. Baker 1898-4-6 13 Sonoma Gualala River Comment
  SEINET12049790  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-BC403695  Eschscholzia californica J. Clausen 1935-5-24 1096 Sonoma 6.5 mi. S. of Jenner, on the Bodega road Comment
  CAS-BOT-BC403706  Eschscholzia californica A. A. Heller; H. E. Brown 1902-4-15 5301 Sonoma Santa Rosa Creek Comment
  CAS-BOT-BC403709  Eschscholzia californica G. DeNevers 1981-4-23 789 Sonoma Pepperwood Ranch. Pippindale farm. Pippindale Garden Comment
  UCD19300  Eucalyptus globulus Terry Reedy 1974-5-11 233 Sonoma Bodega Head, gully south of drive to Field Station. 6 Comment
  CAS-BOT-BC202536  Euphorbia Peter Rubtzoff 1986-9-28 9747 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC540827  Euphorbia Peter Rubtzoff 1971-7-23 6610 Sonoma Laguna, Chileno Valley. Comment
  UCR248751  Euphorbia polycarpa Peter Rubtzoff 1987-10-17 9878 Sonoma Along Highway 116 c. 0.3 mi. SE of Forestville 37 Comment
  CAS-BOT-BC368064  Euphorbia spathulata Greg de Nevers 1998-5-26 11262 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  UC126706  Eurybia radulina Geo. R. Hall 1906-10-14 Sonoma Guerneville Comment
  UC727056  Eurybia radulina A. A. Heller 1941-8-8 16277 Sonoma west of the Petrified Forest Petrified Forest Comment
  CAS-BOT-BC310743  Euthamia occidentalis Peter Rubtzoff 1951-9-2 700 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  JEPS32366  Euthamia occidentalis W. L. Jepson 1921-9-12 9484 Sonoma south side of Alexander Valley Alexander Valley 45 Comment
  CAS-BOT-BC239716  Fabaceae Peter Rubtzoff 1974-6-2 7521 Sonoma Upper Green Valley Marsh Comment
  UCR253367  Festuca arundinacea Peter Rubtzoff 1974-5-25 7455 Sonoma Upper Green Valley Marsh 76 Comment
  UCD151103  Festuca californica James A. Neilson Jr. 1973-6-3 2961 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
  UCD161372  Festuca californica James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, (Elevation and exact location estimated by label maker.) 731 Comment
  CAS-BOT-BC278395  Festuca elmeri K. Wagnon 1939-5-22 217 Sonoma Top of Wagnon rock quarry, five miles west of Sebastopol Comment
  UC60789  Festuca idahoensis F. T. Bioletti 1897-6-8 Sonoma South Los G<sic> Valley Comment
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Oct 18 2008
  JEPS128389  Festuca microstachys Roger Raiche 2000-4-2 014 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC279076  Festuca rubra D. E. Breedlove 1980-6-28 44795 Sonoma Pepperwood Ranch W of Knights Valley Comment
  RSA0045169  Filago pyramidata Greg de Nevers 1993-5-30 10463 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd. 91 Comment
  UCR5850  Fragaria chiloensis Frank C. Vasek 1966-7-16 660716- 02 Sonoma Central Coast, Bodega Bay, Doran County Beach 1 Comment
  CAS-BOT-BC457581  Fragaria vesca subsp. californica Volney Rattan 1885-5-9 s.n. Sonoma Unspecified Comment
  UCD35634  Frangula californica Beecher Crampton 1959-6-16 5363 Sonoma 3 miles west of Graton. Comment
  CAS-BOT-BC53268  Frangula californica subsp. californica A. A. Heller 1902-7-8 5816 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC53272  Frangula californica subsp. californica Walter Knight; Irja Knight 1963-9-3 245 Sonoma Wiggins Hill Comment
  RSA232867  Fraxinus latifolia L. S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Creek, NE of Santa Rosa. 122 Comment
  UC22601  Fraxinus latifolia H. N. Bolander 1864-1 3855 Sonoma Bank of Russian River Russian River Comment
  CAS-BOT-BC504398  Fritillaria Saichi Kawaha 1968-4-20 320 Sonoma 1 mile northeast of Highway 12 152 Comment
  JEPS61915  Fritillaria liliacea Eleanor Armstrong 1933-7-10 559 Sonoma Camp Meeker Comment
  JEPS61916  Fritillaria liliacea Vina Krager 1924-3-1 Sonoma Bodega Comment
  UCD55328  Galium parisiense Ellen Dean 2006-6-28 3175 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  POM367848  Galium parisiense Christopher Davidson 1977-6-20 6039 Sonoma Ca 30 miles W of Geyserville on Stewart's Point-Skaggs Springs Rd. Or 5 miles E of jct of latter with road N to Annapolis. Gravel bar and gravel bank just above it on Wheatfield Fork of Gualala River. 76 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
  UCR279603  Gamochaeta ustulata Peter Rubtzoff 1963-6-22 5186 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  UCD66570  Gastridium phleoides A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3561 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC278684  Gastridium phleoides G. DeNevers 1981-5-26 1329 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  SEINET4571745  Gastridium phleoides L. Koch 1940-4-22 837 Sonoma Grassy hills above Sulfur Creek Geysers Comment
  CAS-BOT-BC320464  Gastridium ventricosum Peter Rubtzoff 1974-6-2 7527 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC58942  Gaultheria shallon Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC193255  Genista monspessulana Walter & Irja Knight 1990-5-1 6591 Sonoma Calistoga Road near junction of Porter Creek Road 182 Comment
  UCD105735  Genista monspessulana D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. 760 Comment
  SBBG3920  Geranium carolinianum H. and M. Dearing 1939-5-14 3361 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  SEINET12183465  Geranium dissectum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -180 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  UC867472  Geranium molle Milo S. Baker 1935-5-12 8037 Sonoma 1 mi e Bodega Bay (near highway at Larkspur Rock) Comment
  UCD103411  Geranium molle Mary M. Hektner 1976-9-15 268 Sonoma Irena Morgan's garden. Pacific Reach Road, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD15830  Geranium molle J. D. DiTomaso 1998-5-18 s.n. Sonoma Sugarloaf Ridge State Park. 430 Comment
  POM253004  Gilia capitata A. A. Heller 1937-5-9 15336 Sonoma Roadside bank in clay soil between Hopland and Mountain House. Comment
  CAS-BOT-BC225283  Gilia capitata subsp. chamissonis A. A. Heller; H. E. Brown 1902-5-27 5616 Sonoma Bodega Bay Comment
  UC931985  Gilia capitata subsp. tomentosa Verne Grant, Alva Grant 1948-7-7 8596 Sonoma on Sebastopol - Bodega Bay road 2.6 mi e Bodega; e of Bodega on Sebastopol - Bodega Bay road Comment
  UC912342  Gilia millefoliata Charles B. Heiser Jr. 1946-4-14 1734 Sonoma Bodega Head Comment
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Feb 24 2009
  SEINET10972190  Githopsis specularioides A. Arthur Heller, H. E. Brown 1902-4-16 Heller 5308 Sonoma Fields east of Santa Rosa Comment
  OBI48604  Glebionis segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  UC894568  Glebionis segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  SEINET13944156 Image available Glehnia leiocarpa W. A. Weber 1964-1 12192 Sonoma Salmon Creek State Park, N of Bodega Bay; ocean bluffs Comment
  CAS-BOT-BC435014  Glinus lotoides Peter Rubtzoff 1966-9-25 5825 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  RSA177984  Glyceria declinata R. F. Thorne 1965-4-19 34293 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UCD66769  Glyceria declinata Collector Unknown 1982-5-21 Sonoma Sonoma County. Comment
  CAS-BOT-BC282808  Glyceria leptostachya Peter Rubtzoff 1951-6-8 407 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC282811  Glyceria leptostachya Peter Rubtzoff 1954-6-6 1459 Sonoma Guarneville Marsh Comment
  RSA94607  Glyceria leptostachya Peter Rubtzoff 1951-6-9 187 Sonoma Northern half of Lower Marsh; Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC303862  Gnaphalium Peter Rubtzoff 1973-8-20 7240 Sonoma Sonoma Creek bottom near Agua Caliente Rd crossing W of Agua Caliente Comment
  CAS-BOT-BC303865  Gnaphalium Peter Rubtzoff 1987-10-17 9875 Sonoma Russian River ca 6 miles E of Guerneville Comment
  RSA94307  Gnaphalium palustre Peter Rubtzoff 1951-8-19 655 Sonoma Pitkin Marsh, near Forestville: near the creek, just north of the Lower Marsh Comment
  CAS-BOT-BC166708  Gnaphalium purpureum Peter Rubtzoff 1962-6-19 4923 Sonoma Occidental Marsh. Comment
  RSA800342  Gratiola ebracteata Peter Rubtzoff 1961-7-22 4664 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC164094  Grindelia Peter Rubtzoff 1964-7-7 5392 Sonoma Laguna de Santa Rosa E of Graton. Comment
  UCD148466  Grindelia camporum Peter Rubtzoff 1963-7-14 5205 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  UCR279646  Grindelia camporum Peter Rubtzoff 1963-8-17 5225 Sonoma Along Petaluma River, just east of Petaluma 5 Comment
  CAS-BOT-BC305180  Grindelia hirsutula J. T. Howell 1930-6-8 5223 Sonoma 8 mi. west of Petaluma Comment
  CAS-BOT-BC305185  Grindelia hirsutula G. DeNevers 1981-6-6 1445 Sonoma Pepperwood Ranch. At the first Pepperwood entrance Comment
  JEPS87229  Grindelia hirsutula Jack and Betty Guggolz 1992-8-29 1342 Sonoma two mi nnw Camp Meeker 195 Comment
  SBBG33298  Grindelia hirsutula J. P. Broughton 1969-7-13 1275 Sonoma salt marsh bordering Tomales Bay near Tubbs Island Comment
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Oct 1 2009
  SBBG45076  Grindelia hirsutula H. E. and S. T. Parks -Nov-1929 411 Sonoma Tubbs Island, sea level Comment
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Feb 9 2015
  UC161754  Grindelia hirsutula J. Torrey 1865-1 221 Sonoma Sonoma Valley Comment
  POM225966  Grindelia stricta var. platyphylla P. A. Munz 1936-8-7 14306 Sonoma 2 miles north of Bodega. Comment
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Feb 6 2013
  UC74946  Guillenia lasiophylla unknown 1903-4-20 2629 Sonoma Mt. Helena Comment
  CAS-BOT-BC302256  Harmonia nutans J. Clausen 1935-5-23 1073 Sonoma 0.3 mi. N. of entrance to Petrified Forest Comment
  UC30652  Harmonia nutans F. T. Bioletti 1892-5-15 Sonoma Hood's Peak; ; Hood's Peak, Sonoma Co. Comment
  CAS-BOT-BC306329  Hedypnois cretica D. Breedlove 1975-4-28 39495 Sonoma Near Doran Beach, Bodega Bay Comment
  CAS-BOT-BC262951  Helenium puberulum Peter Rubtzoff 1968-7-20 5927 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC309580  Helenium puberulum Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  UCD158776  Helenium puberulum James A. Neilson Jr. 1974-7-10 3172 a Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  RSA800283  Helenium puberulum Peter Rubtzoff 1968-7-20 5927 Sonoma Upper Salmon Creek Marsh. Comment
  RSA800290  Helenium puberulum Peter Rubtzoff 1958-7-26 3796 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD131726  Helianthella californica Frederica Bowcutt 1994-6-25 1925 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. 670 Comment
  POM232397  Helianthus bolanderi Hinds 1841-1 s.n. Sonoma Bodego Comment
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May 10 2018
  CAS-BOT-BC305967  Helminthotheca echioides Leonore Bravo 1982-9-12 s.n. Sonoma On road to Armstrong Grove, Guerneville Comment
  UCD164995  Hemizonia Peter Rubtzoff; Nancy harrison 1974-9-7 7875 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  CAS-BOT-BC258385  Hemizonia Peter Rubtzoff 1966-6-5 5753 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC258906  Hemizonia Peter Rubtzoff 1961-8-24 4703 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC268071  Hemizonia Peter Rubtzoff 1972-6-29 6797 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC305997  Hemizonia Peter Rubtzoff 1969-7-25 6122 Sonoma Vernal pool area, 6.5 miles northeast of Penngrove on Lichau Road. 426 Comment
  RSA796178  Hemizonia Peter Rubtzoff 1966-8-18 5791 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol Comment
  RSA800073  Hemizonia Peter Rubtzoff 1956-9-24 2943 Sonoma Stony Point Marsh. Comment
  UCD166108  Hemizonia Peter Rubtzoff 1971-9-30 6709 Sonoma Laguna, Chileno Valley. Comment
  UCD166299  Hemizonia Peter Rubtzoff 1966-6-5 5753 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UCD159816  Hemizonia congesta James A. Neilson Jr. 1974-7-24 2878 a Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. Roadside. North of meadow. (Elevation and coordinates estimated by label maker). 792 Comment
  RSA81606  Hemizonia congesta James I. McMurphy 1908-9-26 s.n. Sonoma Foothills E of Fulton. Comment
  CAS-BOT-BC306154  Hemizonia congesta subsp. clevelandii J. McMurphy 1909-7-10 502 Sonoma Hills near Cloverdale Comment
  UC577147  Hemizonia congesta subsp. clevelandii Lewis S. Rose 1935-9-11 35622 Sonoma 2 mi n Healdsburg 39 Comment
  CAS-BOT-BC306227  Hemizonia congesta subsp. congesta Walter Knight; Irja Knight 1963-9-1 144 Sonoma Pine Mt. Rd - NE of Cloverdale, Harold Smith Ranch Comment
  UCD132987  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-7-1 1081 Sonoma 0.35 mile up Duvall Creek from the Bohemian Highway; on the south side of creek. 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-BC309729  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-9 5746 Sonoma 1 mi. E. of Occidental Comment
  HSC5814  Hemizonia congesta subsp. lutescens L. S. Rose 1964-8-26 64067 Sonoma 5 mi. NE of Penngrove 244 Comment
  RSA794576  Hemizonia congesta subsp. lutescens Ann Howald 2011-8-30 2808 Sonoma eastern Petaluma Valley, Manor Lane, 0.5 mi. north of intersection with Old Adobe Rd. 75 Comment
  CAS-BOT-BC309689  Hemizonia congesta subsp. lutescens Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5841 Sonoma Llano Road. Near sewage disposal plant at Laguna de Santa Rosa Comment
  CAS-BOT-BC309707  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 715 Sonoma 2 miles south of Santa Rosa on road to Petaluma Comment
  CAS-BOT-BC309733  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-1 5718 Sonoma Halfway up Meeker Grade Comment
  UC1518544  Hemizonia congesta subsp. lutescens Craig D. Thomsen 1976-6-27 247 Sonoma watershed of Estero de San Antonio Estero De San Antonio Comment
  JEPS119464  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2804 Sonoma North Coast Ranges, west slope of Mayacamas Mountains, Los Alamos Rd. at Cougar Lane, 2.3 miles east of intersection Hwy 12 Comment
  CAS-BOT-BC309959  Hemizonia congesta subsp. luzulifolia Walter Knight; Irja Knight 1963-9-15 301 Sonoma Unspecified Comment
  CAS-BOT-BC309961  Hemizonia congesta subsp. luzulifolia F. G. Krauss 1893-10-16 s.n. Sonoma Petaluma Valley Comment
  OBI43810  Hemizonia congesta subsp. luzulifolia L. F. LaPre 1986-7-29 s.n. Sonoma Socrates Mine, ca 9 mi ENE of Geyserville (The Geyers Quad: T11N, R8w, sec 32) 914 Comment
  UC295870  Hemizonia congesta subsp. luzulifolia H. M. Hall 1924-8-13 12100 Sonoma n of Healdsburg Comment
  UCD132140  Hemizonia congesta subsp. luzulifolia Frederica Bowcutt 1994-6-24 1889 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Vista Trail about 1/4 way from Bald Mountain Trail to Headwaters Trail. 554 Comment
  CDA38361  Heracleum lanatum T. C. Fuller 1957-9-16 414 -57 Sonoma Jenner. 0 Comment
  SEINET12121673  Heracleum lanatum F. H. Utech 1986-1 86 -126 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 200 Comment
  RSA227201  Heracleum maximum Peter Rubtzoff 1964-5-20 227201 Sonoma Brooks Gulch Marsh. Comment
  OBI77797  Heracleum maximum David J. Keil 1983-6-29 17194 Sonoma 5 mi N of Bodega Bay along hwy 1 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
  UC72228  Hesperocnide tenella Milo S. Baker Sonoma Auburn or Geysers (Sonoma Co.) Comment
  SD175774  Hesperocyparis sargentii D. G. Kelch 2006-6-24 06 323 Sonoma On serpentine along Harrison Grade. 167 Comment
  RSA143958  Hesperolinon micranthum Roxana S. Ferris, Laura Lorraine 1961-6-15 13560 Sonoma Harrison Grade, 1.3 mile from junction with Green Valley Road Comment
  UC1212264  Hesperolinon micranthum Helen K. Sharsmith 1947-5-30 3965 Sonoma s slope of mountain near Grant line; Inner North Coast Ranges, Hood Mountain 243 Comment
  JEPS82315  Hesperolinon spergulinum Roger Raiche 1983-6-19 30411 Sonoma The Cedars; slopes of Red Slide Creek 243 Comment
  RSA126155  Hesperolinon spergulinum Milo S. Baker 1946-7-4 11525 Sonoma Harrison Grade, 1 mi N.E. of Occidental in serpentine area. Comment
  UCD110528  Hesperolinon spergulinum Frederica Bowcutt 1994-6-24 1882 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. Lower Bald Mountain Trail. 396 Comment
  UCD95454  Hesperomecon linearis P. G. Connors 1992-5-14 256 Sonoma Bodega Marine Laboratory. On north slope of old dune. Comment
  CAS-BOT-BC371405  Heterocodon rariflorum Greg de Nevers 1993-4-29 10418 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Devils' Kitchin. 457 Comment
  CAS-BOT-BC149837  Heteromeles arbutifolia W. R. Dudley 1895-2-1 s.n. Sonoma Mt. St. Helena Comment
  UCD168047  Heterotheca oregona James A. Neilson Jr. 1983-10-24 4103 Sonoma Mayacmas Mountains, Hummingbird Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  RSA0075935  Heterotheca oregona Peter Rubtzoff 1956-9-23 2942 Sonoma Hacienda Region, left side of Russian River, near the road from Forest Hills to Highcroft, about 0.5 mi SW of the Russian River bridge in Hacienda. Comment
  CAS-BOT-BC311060  Heterotheca oregona var. oregona Volney Rattan 1877-6-13 s.n. Sonoma Guerneville Comment
  UCD167440  Heterotheca oregona var. oregona Peter Rubtzoff 1978-8-12 9257 Sonoma Russian River at Del Rio Beach, ca. 2.5 mi. E of Healdsburg (ca. 2.7 mi. E of Healdsburg Avenue), on South Fitch Mountain Road. Comment
  UCR222532  Heuchera micrantha George K. Helmkamp, E. A. Helmkamp 2010-6-5 16245 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  UC101609  Heuchera pilosissima Katharine Brandegee June 1905 Sonoma Bodega Bay Comment
  UC858049  Heuchera pilosissima M. V. Ott 1934-3-31 79 Sonoma Larkspur Hill, 3 mi w Bodega (near the coast) Comment
  CAS-BOT-BC424436  Heuchera pilosissima H. D. Ripley; R. C. Barneby 1945-6-22 6946 Sonoma Wright's Beach 50 Comment
  UCD102628  Heuchera pilosissima Steve Clendenning 1973-5-12 105 Sonoma State Hwy 1, 4 miles east of Bodega Bay. 3 Comment
  CDA10947  Hierochloe occidentalis G. F. Hrusa, G. L. Stebbins 1994-3-28 11705 Sonoma North Coast Biodiversity Arena; Colony in shade of redwoods, 14 m. W of Cazadero in cut-over forest-this a remnant patch. On flats. Perennial. 0 Comment
  CAS-BOT-BC55453  Hirschfeldia incana Mary P. Wells 1981-7-1 s.n. Sonoma Goat Rock State Beach. Comment
  UC38610  Holcus lanatus J. Burtt Davy 1896-7-24 Sonoma below Duncan's Mills; below Duncan's Mills Comment
  UCR32183  Holcus lanatus David J. Keil 1983-6-29 17202 Sonoma c. 10 mi SE of Ft. Ross along Hwy 1 Comment
  UCR244754  Holocarpha macradenia Peter Rubtzoff 1963-8-24 5245 Sonoma 2.5 miles north of Sebastopol 73 Comment
  UCD160857  Holodiscus discolor James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3267 Sonoma Mayacmas Mountains, ca, 1/2 mile south of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC315807  Holozonia filipes Greg de Nevers 1996-5-30 10834 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 487 Comment
  UCR255729  Holozonia filipes Greg de Nevers 1996-5-30 10834 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  SEINET257982  Hordeum brachyantherum Mary E. Barkworth, D Amme 1989-6-15 5173 Sonoma S end of Bodega Head onrestored grassland Comment
  SEINET258713 Image available Hordeum brachyantherum M. Barkworth, D Amme 1989-6-15 5174 Sonoma South end of Bodega Head on restored grassland. 81 Comment
  CAS-BOT-BC289287  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1955-5-7 1828 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC289292  Hordeum brachyantherum subsp. brachyantherum Peter H. Raven 1950-4-6 1557 Sonoma Cotati to Santa Rosa 45 Comment
  CAS-BOT-BC289295  Hordeum brachyantherum subsp. brachyantherum G. DeNevers 1981-5-9 1025 Sonoma At the Red Corral, McCann Homestead, Pepperwood Ranch Comment
  UCD147291  Hordeum brachyantherum subsp. brachyantherum Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 304 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  UCD37350  Hordeum brachyantherum subsp. californicum Beecher Crampton 1959-6-16 5385 Sonoma 1 mile E of Occidental. Comment
  CAS-BOT-BC285189  Hordeum marinum subsp. gussoneanum A. A. Heller 1902-6-4 5636 Sonoma Santa Rosa Comment
  UCD85878  Hordeum marinum subsp. gussoneanum David L. Morgan 1956-5-13 s.n. Sonoma 2 miles W of Petaluma on 'I'st. Ext. Comment
  CAS-BOT-BC285191  Hordeum marinum subsp. gussoneanum K. Wagnon 1939-5-16 204 Sonoma Entrance of Rd. 9, 14 miles west of Sebastopol on Bodega Highway Comment
  RSA785737  Hordeum marinum subsp. gussoneanum Carrie A. Herd 1982-5-15 114 Sonoma Rohnert Park Comment
  RSA123430  Hordeum murinum subsp. glaucum H. S. Yates 1936-5-16 5601 Sonoma 2 miles S.E. of Forestville 30 Comment
  RSA128787  Hordeum murinum subsp. glaucum P. H. Raven 1950-4-6 1561 Sonoma Cotati to Santa Rosa. 30 Comment
  CAS-BOT-BC282022  Hordeum murinum subsp. leporinum Peter Rubtzoff 1959-6-6 4100 Sonoma Willow Crane Marsh Comment
  UCD85931  Hordeum murinum subsp. leporinum A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3557 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC273543  Hordeum vulgare David L. Morgan 1956-5-18 s.n. Sonoma On State Highway #12, 5.4 mi. S. of Santa Rosa city limits Comment
  SD56711  Horkelia californica Darley F. Howe 1963-8-1 Sonoma 2.2 mi. no. of Jenner on #1 Comment
  CAS-BOT-BC146522  Horkelia tenuiloba John Thomas Howell 1955-6-2 30258 Sonoma Near Vine Hill School Comment
  UC70428  Horkelia tenuiloba Milo S. Baker may 1899 Sonoma near the Laguna (Forest Hill Rd); Forestville Comment
  CAS-BOT-BC55497  Hornungia procumbens John Thomas Howell 1934-3-25 11781 Sonoma Cuttings Wharf on Napa River. Comment
  CAS-BOT-BC206158  Hosackia crassifolia Crawford Cooley 1992-5-7 s.n. Sonoma Near the Sonoma - Mendocino line ca. 8 airmiles west of Cloverdale on the Cooley Ranch Comment
  UCD128230  Hydrocotyle ranunculoides David E. Bayer 1960-9-29 s. n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC401000  Hypericum anagalloides Peter Rubtzoff 1960-9-17 4563 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) Comment
  UCD110355  Hypericum concinnum Frederica Bowcutt 1994-6-24 1884 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. Lower Bald Mountain Trail. 396 Comment
  CAS-BOT-BC401324  Hypericum scouleri Peter Rubtzoff 1951-6-30 292 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  UCD133333  Hypochaeris glabra Mary M. Hektner 1976-5-10 254 Sonoma above beach near the Sea Ranch Association Office; Unit 36 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD159436  Hypochaeris radicata D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 194 Sonoma Abandoned volleyball court/field. Disturbed. 8 Comment
  CAS-BOT-BC316711  Hypochaeris radicata Greg de Nevers 1981-5-9 1022 Sonoma By the Red Corral at teh McCann Homestead, Pepperwood Ranch Comment
  RSA48722  Iris fernaldii Lee W. Lenz 1949-5-2 14427 Sonoma Santa Rosa - Calistoga Road, 0.5 mile from junction with road to Mark West Springs 610 Comment
  CAS-BOT-BC133679  Iris longipetala Peter Rubtzoff 1965-5-16 5529 Sonoma 6 mi. northeast of Penngrove on Lichau Rd. 335 Comment
  SD56796  Iris macrosiphon Darley F. Howe 1963-5-23 Sonoma 3.8 miles north of Cloverdale, on #128. 334 Comment
  HSC13861  Iris macrosiphon F. Deemostene 1966-4-3 15 Sonoma 2 mi. E of Healdsburg Comment
  CAS-BOT-BC376226  Isoetes Greg de Nevers 1993-2-14 10312 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Bald Hills 304 Comment
  RSA784489  Isoetes Peter Rubtzoff 1969-5-24 6053 Sonoma 6.5 miles SE of Penngrove, on Lichan Road. 427 Comment
  CAS-BOT-BC173547  Isoetes howellii Peter Rubtzoff; Edward Lee 1974-5-11 7385 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UC1618153  Isoetes howellii J. C. Game 1996-5-25 96 /41 Sonoma ca 15 mi nw of Warm Springs Dam (along Rockpile Rd, in Rockpile Ranch) Comment
  HSC100969  Isoetes howellii Peter Warner 2011-5-27 208 Sonoma Cresta Ranch, Cresta Rd. (off Mark West Springs Rd. at Mark West Lodge), ~1.6 km E of this junction on N edge of road. 0 Comment
  JEPS79612  Isoetes howellii Edward Lee 1974-5-11 Sonoma Laguna R.R. bridge Sebastopol Comment
  CAS-BOT-BC164685  Isoetes nuttallii Peter Rubtzoff; Nancy Harrison 1978-5-20 9182 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  UC810525  Isoetes nuttallii John Thomas Howell 1937-6-6 13028 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112572  Isolepis cernua Peter Rubtzoff 1954-8-10 1678 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC112575  Isolepis cernua Peter Rubtzoff 1954-7-26 1560 Sonoma Lower Salmon Creek Marsh. Comment
  HSC7451  Isolepis cernua A. A. Beetle 1941-7-8 2854 Sonoma 5 mi. S of Stewart's ('Steward') Point 24 Comment
  JEPS25000  Isolepis cernua G. Thomas Robbins 1958-8-11 3925 Sonoma on tidal flat along w shore Bodega Harbor; w shore Bodega Harbor Comment
  SD134078  Isolepis cernua Peter Rubtzoff 1963-6-5 5152 Sonoma Brooks Gulch Marsh, open, wet ground. (IPB 11/07) Comment
  UCD82016  Isolepis levynsiana Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. Vernal Pool Plot SRP04. 37 Comment
  SBBG61589  Juglans hindsii R. Hartwell 1938-8-2 Sonoma Russian River, Healdsburg Comment
  RSA790005  Juncus Walter Knight, I. Knight 1968-1-1 2266 Sonoma Geyser Resort. Along geyser trail at creek edge. Comment
  UCR250377  Juncus balticus Peter Rubtzoff 1955-7-24 1989 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC164386  Juncus balticus subsp. ater Peter Rubtzoff 1971-7-23 6606 Sonoma Sonoma: Laguna, Chileno Valley Comment
  POM111209  Juncus bolanderi Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  UCR218215  Juncus bufonius var. congestus George K. Helmkamp, E. A. Helmkamp 2010-6-4 16234 A Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 9.8 rd. miles east of its junction with US-101, 4.5 air miles SW (250 deg. ) of Calistoga 280 Comment
  UCD141497  Juncus effusus P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  SEINET3878596  Juncus effusus Kaye H. Thorne 1984-11-22 3667 Sonoma Sea Ranch, Black Point near Lodge.; 0 Comment
  CHSC105755  Juncus effusus subsp. pacificus Peter F. Zika 2008-7-21 23922 Sonoma San Francisco Bay (SnFrB). E side of Route 116 at Llano Road. 40 Comment
  UCR244626  Juncus hesperius Peter Rubtzoff 1969-8-14 6137 Sonoma Coleman Marsh 269 Comment
  HSC42040  Juncus lescurii S. Saufferer 1973-5-24 218 Sonoma Bodega Bay near the ocean Comment
  RSA0015644  Juncus lescurii Peter Rubtzoff 1959-6-20 4179 Sonoma Willow Creek Marsh. Comment
  UC1026468  Juncus orthophyllus Peter Rubtzoff 1952-5-31 1124 Sonoma lower part Upper Marsh; Pitkin Marsh, Upper Marsh Comment
  UCD21130  Juncus tenuis Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 305 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  CAS-BOT-BC235865  Keckiella corymbosa Belle Richardson Jackson 1924-8-1 s.n. Sonoma Mt. St. Helena Comment
  UC1238931  Keckiella corymbosa Freed W. Hoffman 1946-8-14 588 Sonoma East Austin Creek; North Coast Ranges, Rocky Mountain Comment
  CAS-BOT-BC419699  Kickxia Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7806 Sonoma Kenwood Marsh. Comment
  UCR248746  Kickxia spuria Peter Rubtzoff 1973-8-20 7228 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente 38 Comment
  CAS-BOT-BC273781  Koeleria pyramidata Mary P. Wells 1985-4-27 505 A Sonoma Monan's Rill (no. of St. Helena Road & east of Calistoga Road) Comment
  CAS-BOT-BC499665  Kopsiopsis strobilacea Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena Comment
  UC403007  Kopsiopsis strobilacea Adolphe H. Weber May 1896 Sonoma Comment
  CHSC79887  Lamarckia aurea Gordon Leppig 1998-5-6 1344 Sonoma Austin Creek State Recreation Area, Austin Creek Trail, UTM zone 10 4269N, 495E. 176 Comment
  UCD151151  Lamarckia aurea James A. Neilson Jr. 1973-6-7 2963 Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 441 Comment
  CAS-BOT-BC324928  Lasthenia burkei Peter Rubtzoff 1966-5-7 5716 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville Roads Comment
  JEPS86317  Lasthenia burkei Jack and Betty Guggolz 1988-5-10 931 Sonoma on e side Old Redwood Hwy. (just n of its intersection with Starr Road, Grill property) Comment
  UC1594209  Lasthenia burkei L. Huntington 1990-4-4 252 Sonoma 1100' e of sharp bend in Lytton Station Rd.; Lytton area 51 Comment
  SEINET11447674  Lasthenia burkei P. Rubtzoff 1974-1 Sonoma Comment
  UC579278  Lasthenia californica subsp. bakeri H. S. Yates 1934-4-21 3787 Sonoma near Bodega 60 Comment
  JEPS19389  Lasthenia californica subsp. californica G. Thomas Robbins 1938-4-15 225 Sonoma 2.5 mi e Bodega Bay Comment
  UCD33659  Lasthenia californica subsp. macrantha Beecher Crampton 1971-6-6 8720 Sonoma Carmet, Sonoma Coast State Park. Comment
  LA102440  Lasthenia californica subsp. macrantha John C. Roos; 1950-7-22 4867 Sonoma Jenner 30 Comment
  UCD133685  Lasthenia californica subsp. macrantha Mary M. Hektner 1976-12-14 278 Sonoma overlooking Black Point Beach; Unit 1 Owners' Map Sea Ranch, near State Highway 1. Comment
  UCD33794  Lasthenia californica subsp. macrantha Beecher Crampton 1973-5-5 8926 Sonoma Sonoma Coast State Park at Carmet. Comment
  CAS-BOT-BC352756  Lasthenia fremontii Alice Eastwood; John Thomas Howell 1936-5-19 2514 Sonoma 2 miles N of Windsor Comment
  CAS-BOT-BC355521  Lasthenia glaberrima Alice Eastwood 1921-4-24 10356 Sonoma Santa Rosa Comment
  SBBG7774  Lasthenia macrantha subsp. macrantha H. and M. Dearing 1939-5-14 3367 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  CAS-BOT-BC370851  Lasthenia minor Katharine Brandegee 1905-6-1 s.n. Sonoma Bodega Comment
  CAS-BOT-BC370899  Lasthenia minor Peter Rubtzoff 1960-5-18 4376 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC164394  Lathyrus Peter Rubtzoff 1974-4-17 7363 Sonoma Upper Green Valley Marsh area. Comment
  UCD166103  Lathyrus Peter Rubtzoff 1971-9-1 6672 Sonoma Spring Creek Reservoir area east of Santa Rosa. Comment
  CDA4181  Lathyrus hirsutus T. C. Fuller 1969-10-1 18964 Sonoma Two different ranches north & south of Santa Rosa. 0 Comment
  UCR218646  Lathyrus latifolius George K. Helmkamp, E. A. Helmkamp 2010-6-4 16211 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  SBBG3372  Lathyrus vestitus H. and M. Dearing 1939-4-28 3219 Sonoma near Fairfax Comment
  UC15380  Lathyrus vestitus var. vestitus unknown 1862-4-1 966 Sonoma near Sonoma Comment
Read comments
Jan 20 2011
  UC931193  Lathyrus vestitus var. vestitus C. L. Hitchcock 1950-6-6 19257 Sonoma 2 mi n Fort Ross Comment
  CAS-BOT-BC323236  Layia chrysanthemoides John Thomas Howell 1931-4-18 6426 Sonoma 8 miles N of Bay Comment
  CAS-BOT-BC321740  Layia gaillardioides A. A. Heller; H. E. Brown 1902-4-11 5275 Sonoma Bodega Bay Comment
  UC584208  Layia gaillardioides David D. Keck 1935-6-15 3379 Sonoma Russian River Comment
  RSA245535  Layia platyglossa Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1101 Sonoma Fort Ross State Park. Comment
  UC1120990  Ledum glandulosum H. S. Yates 1936-5-16 5592 Sonoma 2 mi se of Forestville 30 Comment
  CAS-BOT-BC210117  Leersia Peter Rubtzoff 1969-8-27 6163 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  RSA0034026  Leersia Peter Rubtzoff 1987-9-27 9851 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  CAS-BOT-BC274364  Leersia oryzoides Greg de Nevers 1995-10-1 10775 Sonoma Russian River near Mirabel Road 91 Comment
  CAS-BOT-BC154146  Lemna Peter Rubtzoff 1966-9-10 5820 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC210093  Lemna minuta Peter Rubtzoff 1969-7-5 6107 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road Comment
  CAS-BOT-BC344880  Lemna minuta Peter Rubtzoff 1961-10-17 4769 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC527277  Lemna minuta Peter Rubtzoff 1951-8-4 574 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC339165  Leontodon saxatilis subsp. saxatilis Peter Rubtzoff 1951-7-8 394 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC176125  Lepidium didymum Peter Rubtzoff 1958-8-9 3840 Sonoma Laguna de [Snata] Santa Rosa north of Sebastopol (nr. Occidental road) Comment
  CDA3806  Lepidium latifolium T. C. Fuller 1958-10-16 1480 -58 Sonoma North side Highway 48, 5 miles east of Sears Point. 0 Comment
  CAS-BOT-BC12660  Lepidium nitidum A. A. Heller 1902-3-14 5054 Sonoma Santa Rosa. Comment
  CAS-BOT-BC273997  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1961-10-15 4760 Sonoma Vacation Beach, 2 miles below Guerneville Comment
  CAS-BOT-BC376343  Leptosiphon ciliatus Greg de Nevers 1998-6-20 11292 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Rogers Apple Orchard. 400 Comment
  CAS-BOT-BC226735  Leptosiphon latisectus John Thomas Howell 1931-4-4 6179 Sonoma Santa Rosa Canyon Comment
  SEINET1782117  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa. Comment
  JEPS20635  Lessingia hololeuca Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  CAS-BOT-BC368056  Leucanthemum vulgare Greg de Nevers 1998-5-20 11253 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mouth of Kalfenatchi's[?] driveway 400 Comment
  RSA796226  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-BC283530  Leymus X vancouverensis Peter Rubtzoff 1960-10-29 4583 Sonoma Bodega Harbor Marsh. Saline part of the Marsh and along dirt road Comment
  UCD61317  Leymus californicus G. L. Stebbins Jr.; W. S. Boyle 1942-5-12 3229 Sonoma Bodega Canyon Road, 2.5 miles west of Bodega. Comment
  UCD150275  Leymus triticoides M. Lennox; D. Curle 2011-12-7 PDR 146599 8 Sonoma Petaluma. Comment
  CAS-BOT-BC371402  Ligusticum apiifolium Greg de Nevers 1998-7-25 11302 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, just upstream of bridge at Mark West Lodge 400 Comment
  UCR255737  Ligusticum apiifolium Greg de Nevers 1998-7-15 11294 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; Mark West Creek, just upstream of bridge at Mark West Lodge 134 Comment
  CAS-BOT-BC451704  Lilaea scilloides Greg de Nevers 1992-5-5 10142 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  RSA178033  Lilaea scilloides Robert F. Thorne 1965-4-19 34275 Sonoma Titus Ranch, Valley Ford. 18 Comment
  UCD160808  Lilium pardalinum James A. Neilson Jr. 1975-5-23 3198 Sonoma Mayacmas Mountains. Big Sulphur Creek, Abril property. (Elevation, and coordinates estimated by label maker). 548 Comment
  CAS-BOT-BC132999  Lilium rubescens Nancy Grasby 1938-7-1 s.n. Sonoma Near Occidental Comment
  UCD116502  Limnanthes douglasii Lewis S. Rose 1965-4-4 65020 Sonoma Sonoma County. 24 Comment
  UC726862  Limnanthes douglasii subsp. douglasii A. A. Heller 1940-4-22 15553 Sonoma field between East Windsor and West Windsor Comment
  SJSU10801  Limnanthes douglasii subsp. douglasii T. A. Wayne 1962-4-21 Sonoma Bennett Valley 3 mi SE of Sants Rosa 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
  SEINET12183384  Limnanthes douglasii var. nivea F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -144 Sonoma junction Valley Ford & Franklin School Roads, ca 0.1 mi from junction Valley Ford Road & CA 1 20 Comment
  UCD116447  Limnanthes douglasii var. nivea Robert F. Thorne 1965-4-19 34274 a Sonoma wet field on Titus Ranch, Valley Ford. 18 Comment
  RSA0004098  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 mile from Llano Road. Comment
  SD251298  Limosella Peter Rubtzoff 1966-5-7 5721 Sonoma Laguna de Santa Rosa, East of Graton, between Occidental and Guerneville roads Comment
  RSA800890  Limosella acaulis Peter Rubtzoff 1964-8-20 5469 Sonoma Near pond 1 mile SE of Jenner (near jct of Hwy 1 and Hwy 12) Comment
  CDA36957  Linanthus androsaceus CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UC106674  Linanthus androsaceus Katharine Brandegee 1905-6-25 Sonoma Bodega Bay Comment
  UC1763995  Linanthus jepsonii Douglas W. Schemske 1993-4-30 1 D Sonoma Pepperwood Ranch Natural Preserve Comment
  UC908783  Linanthus jepsonii Herbert L. Mason 1928-4-13 4337 Sonoma Reibli School Comment
  UC1124048  Linanthus parviflorus H. S. Yates 1934-4-22 3847 Sonoma 2 mi s Mark West; Calistoga Quad. 152 Comment
  UC76069  Linaria vulgaris Miss Emma Lobenstein 1906-1 Sonoma Valley Ford Comment
  UCD110565  Linum bienne Chris Bowen 1974-6-1 141 Sonoma Near Pacific Reach, Unit 24, Sea Ranch, near State Highway 1. Comment
  UCD110566  Linum bienne William J. Costa 1968-5-18 36 Sonoma Shell Beach, ca. 1.5 air miles south of Jenner. 15 Comment
  CHSC20702  Lithocarpus densiflorus Robert A. Schlising; Lloyd Thurman 1962-6-15 2311 Sonoma Skaggs Springs Road, 12 mi W Jct with Dutcher Creek Road. Comment
  UCD81453  Lithocarpus densiflorus M. Wiesendanger 1927-5-5 729 Sonoma Kenwood Springs. Comment
  UC1127213  Lithophragma affine E. Armstrong 1934-3-26 934 Sonoma 2 mi w Camp Meeker; Sebastopol Quadrangle 91 Comment
  CAS-BOT-BC430797  Lithophragma affine Mrs. Clara Hunt 1921-4-1 s.n. Sonoma St. Helena Comment
  CAS-BOT-BC437152  Lithophragma heterophyllum Elmer I. Applegate 1934-3-25 8844 Sonoma Sausal Creek, Pine Flat road, foothills of the Cayamaca Mountains Comment
  UC581113  Logfia gallica H. L. Mason 1934-4-28 8078 Sonoma head of Dohrman Creek; Josephs Ranch Comment
  CAS-BOT-BC342502  Logfia gallica D. E. Breedlove 1980-6-28 44810 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC353413  Logfia gallica Peter Rubtzoff 1973-7-24 7197 Sonoma Upper Green Valley Marsh. Comment
  UC1011013  Lolium temulentum Virginia Bufford 1936-5-19 269 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  SD99412  Lomatium californicum Christopher Davidson 1977-6-20 6021 Sonoma Dry Creek Road, 9.3 miles west of Geyersville 89 Comment
  CHSC114316  Lomatium dasycarpum D. G. Kelch; A. G. Murdock, Ben Carter 2007-5-13 07 .271 Sonoma Cavedale Rd. 518 Comment
  SEINET8465377 Image available Lomatium dasycarpum Lincoln Constance 1953-4-4 Sonoma Mark West road, 1 mile southwest of Petrified 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
  RSA452095  Lomatium dasycarpum subsp. dasycarpum L. S. Rose 1941-5-22 31247 Sonoma Rincon Ridge, 4 miles east of Santa Rosa 122 Comment
  UC1348892  Lomatium dasycarpum subsp. dasycarpum Robert F. Thorne 1965-4-20 34372 Sonoma ca. 6 mi. n. Sonoma (ca. 4 mi. up Cavedale Rd.) 411 Comment
  RSA0051266  Lomatium hallii Greg de Nevers 1993-5-10 10443 Sonoma Harrison Grade. 182 Comment
  JEPS86814  Lomatium repostum Jack and Betty Guggolz 1991-5-4 1127 Sonoma <firebrake> on s. side Bradford Mt. (1 mi. w. of Dry Creek Rd.) 341 Comment
  CAS-BOT-BC240648  Lonicera hispidula Mrs. E. C. Sutliffe 1920-8-1 s.n. Sonoma Annapolis Comment
  SEINET12329227  Lonicera hispidula var. vacillans W. Knight, Knight, I. 1984-1 5114 Sonoma Gualda Point Regional Park Comment
  CAS-BOT-BC244000  Lonicera involucrata var. ledebourii Saichi Kawahara 1969-3-31 542 Sonoma 50 yards west of Jenner Comment
  CAS-BOT-BC241419  Lonicera japonica Peter Rubtzoff 1952-5-31 1130 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west Comment
  CAS-BOT-BC293671  Lotus Peter Rubtzoff 1971-6-25 6563 Sonoma Intermittent lake off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA0020334  Lotus Peter Rubtzoff 1971-5-8 6452 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  POM316662  Lotus angustissimus Patricia Wilder 1965-6-10 3633 Sonoma 1.0 mile N of Jenner on Calif. state Hwy 1. 46 Comment
  RSA22095  Lotus angustissimus Alice Eastwood, John T. Howell 1938-7-11 6267 Sonoma Near Stillwater Cove Comment
  UCD35510  Lotus angustissimus Beecher Crampton 1957-7-22 4373 Sonoma State Hwy. 1, 0.9 mile south of Stewart's Point. Comment
  RSA620424  Lotus formosissimus Peter Rubtzoff 1958-5-10 3632 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road) Comment
  UC192623  Lotus humistratus Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  UC1299177  Lotus humistratus Freed W. Hoffman 1947-7-30 1415 Sonoma near Guerneville (Great Eastern Qucksilver Mines); North Coast Ranges Comment
  SEINET10687166 Image available Lotus purshianus A. Arthur Heller 1902-8-18 Heller 6051 Sonoma Santa Rosa. Comment
  UC15595  Lotus scoparius Miss Alice King Jun 1897 Sonoma Healdsburg Comment
  UC750814  Lotus stipularis var. stipularis Charles B. Heiser Jr. 1946-5-19 1738 Sonoma w of Santa Rosa; Vine Hill Comment
  RSA389  Lotus unifoliolatus E. R. Johnson 1928-8-22 1108 Sonoma Russian River, 1/2 mile E of Cloverdale Comment
  UC726027  Lotus wrangelianus A. A. Heller 1938-5-14 15079 Sonoma n of Bodega Bay 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
  SEINET6932589  Lotus wrangelianus W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 5 miles north of Fort Ross. Comment
  CAS-BOT-BC290614  Ludwigia Peter Rubtzoff 1987-9-27 9853 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  UCD65846  Ludwigia hexapetala B. J. Grewell 2006-8-23 06- 48 -LU Sonoma Russian River watershed, Russian River at summer water crossing, Asti. Collection immediately downstream of summer bridge, west bank. 64 Comment
  UCD65934  Ludwigia hexapetala B. J. Grewell 2006-11-10 06- 91 -LU Sonoma Russian River just downstream of seasonal dam, Veteran's Memorial Park, Healdsburg. Access via kayak. 23 Comment
  UCD66025  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 51 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UC1191759  Ludwigia palustris Herbert L. Mason 1946-7-4 12886 Sonoma Pitkin Marsh between Santa Rosa and Forestville; Pitkin Marsh Comment
  UCR244609  Ludwigia palustris Peter Rubtzoff 1969-8-24 6149 Sonoma Pond on River Road, 3 miles west of Fulton 27 Comment
  CAS-BOT-BC251194  Ludwigia palustris Peter Rubtzoff 1954-8-4 1656 Sonoma Guerneville Marsh. Comment
  RSA800587  Ludwigia palustris var. pacifica Peter Rubtzoff 1955-7-31 2008 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC164056  Ludwigia peploides Peter Rubtzoff 1956-9-15 2911 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC201287  Lupinus Charles Piper Smith 1947-6-19 47526 Sonoma Mark West Road near Petrified Forest Comment
  CAS-BOT-BC201292  Lupinus Charles Piper Smith 1948-6-14 48386 Sonoma Glen Ellen - Triniti Road - Highway 12 junction, 1.5 miles east Comment
  CAS-BOT-BC201295  Lupinus Charles Piper Smith 1946-4-26 46233 Sonoma Highway 1 at Coast Russian River Bridge Comment
  UC905105  Lupinus albifrons Milo S. Baker 1947-4-16 11686 Sonoma cliffs at junction of Mark West Road and one from Rincon Summit; cliffs at jct of Mark West Rd and one fr Rincon Summit Comment
  CAS-BOT-BC195974  Lupinus albifrons var. albifrons Alice Eastwood 1893-4-27 s.n. Sonoma Hood Mt. Comment
  CAS-BOT-BC195983  Lupinus albifrons var. albifrons Alice Eastwood; John Thomas Howell 1938-5-15 5514 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC196044  Lupinus albifrons var. collinus Peter Rubtzoff 1953-5-18 1414 Sonoma Near road from Edendale to Vacation Beach, near Guerneville Comment
  SEINET10484536  Lupinus albifrons var. collinus Joseph W. Congdon 1880-5-30 Congdon s.n. Sonoma Petaluma, CA. Comment
  CAS-BOT-BC196464  Lupinus arboreus Greg de Nevers 1992-4-23 10114 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  SEINET10485229  Lupinus densiflorus var. crinitus Conrad V. Morton 1947-7-31 Morton 11983 Sonoma Near jenner. Comment
  UC1482880  Lupinus formosus M. L. Conrad, Dunn, and LeDoux 1973-6-9 7079 Sonoma 0.6 mi west of Sonoma-Napa County Line on Highway 121. 60 Comment
  SEINET11160113  Lupinus formosus var. robustus Unknown 1973-6-9 20712 Sonoma Sonoma County Comment
  SEINET10936597  Lupinus latifolius subsp. latifolius Joseph W. Congdon 1880-4-12 Congdon s.n. Sonoma Santa rosa rd. Comment
  UCR32074  Lupinus littoralis David J. Keil 1983-6-29 17195 Sonoma Along Hwy 1, 5 mi N of Bodega Bay 25 Comment
  SEINET6655062  Lupinus micranthus John A. Churchill 1974-4-28 7442830 Sonoma Mark West Springs; along road 2 miles above villa on west slope of Rincon Ridge.; 0 Comment
  SEINET5790384 Image available Lupinus microcarpus Marcus E. Jones 1882-1 3329 Sonoma Duncan's Mills Comment
  CDA27500  Lupinus microcarpus var. densiflorus T. C. Fuller 1966-6-2 14858 Sonoma East side of Pacific Coast Highway 1, 0.2 mile south of junction with Petaluma-Valley Ford Road, 1 mile east of Valley Ford. 0 Comment
  SD130431  Lupinus nanus F. Almeda, G. DeNevers 1981-3-30 4887 Sonoma Pepperwood Ranch; summit and east-facing slope of Three Tree Hill. Comment
  HSC49398  Lupinus nanus subsp. latifolius R. York 1979-4-8 205 Sonoma Along Hwy. 128, 1 mi. N of Calistoga 366 Comment
  RSA0023080  Lupinus nanus subsp. nanus Peter Rubtzoff 1974-5-18 7411 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  HSC81612  Lupinus polycarpus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5127 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  HSC34852  Lupinus polycarpus Thomas W. Nelson 1975-5-8 1810 Sonoma Beside Hwy. 101 at Asti Comment
  JEPS83025  Lupinus sericatus Roger Raiche 1984-3-25 40074 Sonoma from Kelly Road near Rockpile Road sw Cloverdale ((about 11 1/2 mi n of its origin (Rockpile) at intersection with Skaggs Springs-Stewarts Point Road)); sw of Cloverdale Comment
  CAS-BOT-BC8279  Lupinus sonomensis Amos Arthur Heller 1940-5-17 15638 Sonoma 2 miles E of Shellville, along road Comment
  RSA177939  Luzula comosa Robert F. Thorne 1965-4-20 34337 Sonoma Parker Hill Road ca. 2 1/2 miles N of Santa Rosa and 1 mile N of Sonoma County hospital. 107 Comment
  UCD161823  Luzula comosa var. comosa James A. Neilson Jr. 1975-5-23 3217 Sonoma Truit Creek at Big Sulphur Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC441392  Luzula subsessilis Peter Rubtzoff 1953-5-17 1373 Sonoma Vacation Beach, near Guerneville Comment
  RSA0016000  Lythrum hyssopifolia Milo S. Baker 1951-07 12321 Sonoma Yard of Ada Hunkins near Kenwood. Comment
  SEINET12193549  Lythrum hyssopifolia W. Knight, Knight, I. 1983-1 4719 Sonoma Sonoma Mountain Rd #2 at former Jack London property at old Wake Robin Lodge site Comment
  SEINET12194751  Lythrum hyssopifolia W. Knight, Knight, I.; Knight, T. 1985-1 5145 Sonoma in Knight's garden, Petaluma Comment
  CAS-BOT-BC166732  Madia Peter Rubtzoff; Nancy Harrison 1974-7-13 7669 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC368100  Madia anomala Greg de Nevers 1998-5-12 11247 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC344042  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi. N. of Occidental Comment
  CAS-BOT-BC344045  Madia elegans James I. McMurphy 1909-8-10 716 Sonoma West Santa Rosa Comment
  CHSC107497  Madia elegans D. G. Kelch; Troy McGregor 2010-8-22 10 .355 Sonoma Nr Peak of Geyser Peak Rd. Comment
  JEPS128236  Madia elegans Roger Raiche 2000-9-2 147 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC344034  Madia elegans James I. McMurphy 1909-5-29 s.n. Sonoma Mountains near The Geysers Comment
  UCR25294  Madia exigua John C. Roos 1957-7-2 6649 Sonoma Miller Ridge Comment
  CAS-BOT-BC343457  Madia gracilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53968 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-BC343462  Madia gracilis J. Clausen 1935-5-23 1075 Sonoma 0.3 mi. N. of entrance to Petrified Forest Comment
  CAS-BOT-BC343465  Madia gracilis G. DeNevers 1981-5-15 1217 Sonoma Pepperwood Ranch. Near base of Hansel's driveway Comment
  UCD132825  Madia gracilis Frederica Bowcutt 1994-5-21 1832 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles NW of Napa, 1.5 air miles NE of Kenwood. Along the Hillside Trail 1/2 mile. 396 Comment
  UCD132826  Madia gracilis Frederica Bowcutt 1996-5-24 2160 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma/Rattlesnake Creek confluence on small knoll. 381 Comment
  CAS-BOT-BC345202  Madia sativa Alice Eastwood 1921-5-8 10445 Sonoma Petaluma Comment
  CAS-BOT-BC345205  Madia sativa John Thomas Howell 1932-9-18 10781 Sonoma Lower Road to Glen Ellen 1 1/2 miles sw. of Kenwood Comment
  CAS-BOT-BC345221  Madia sativa L. R. Abrams; Luther Burbank 1907-8-1 s.n. Sonoma On roadside between Sebastopol and Santa Rosa Comment
  CAS-BOT-BC345255  Madia sativa Peter Rubtzoff 1951-8-4 580 Sonoma Pitkin Marsh, near Forestville. Opening south of the Upper Marsh Comment
  CAS-BOT-BC511488  Maianthemum stellatum F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  CAS-BOT-BC511493  Maianthemum stellatum Greg de Nevers 1981-4-18 737 Sonoma Hot roadside at cnfluence of Mark west Creek with Leslie Creek, Pepperwood Ranch Comment
  SEINET11996992  Marah oregana F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -242 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC348215  Matricaria discoidea Peter Rubtzoff 1969-5-11 6038 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road Comment
  UCD134584  Matricaria discoidea Gerry North 1993-4 23 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. South of Hillside Trail, at fork by water tank. 426 Comment
  CAS-BOT-BC348311  Matricaria occidentalis Peter Rubtzoff 1974-5-19 7446 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads Comment
  CAS-BOT-BC422698  Meconella californica M. S. Baker 1926-4-14 181 a-Son. Ser. Sonoma Unspecified Comment
  CAS-BOT-BC268110  Medicago Peter Rubtzoff; Nancy Harrison 1974-9-7 7874 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  CAS-BOT-BC262981  Medicago polymorpha Peter Rubtzoff 1958-9-28 4019 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  POM204781  Melica californica A. A. Heller 1902-4-23 5351 Sonoma Near Sonoma. Comment
  UCD87217  Melica californica R. Tofsrud 1947-6-17 195 Sonoma Old Santa Rosa cemetery. Comment
  UCD87219  Melica californica R. Tofsrud 1947-7-1 174 Sonoma Santa Rosa, old cemetery. Comment
  SEINET10599364  Melica californica A. Arthur Heller 1902-4-23 Heller 5351 Sonoma Near Sonoma. Comment
  CAS-BOT-BC281279  Melica geyeri G. DeNevers 1987-6-1 8184 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd, Santa Rosa 400 Comment
  JEPS128380  Melica geyeri Roger Raiche 2000-5-5 086 .00 Sonoma The Cedars. Danfield Creek, Leona's Cabin Site. Gualala River, Wheatfield Fork watershed. Comment
  HSC10346  Melica geyeri Leo Koch 1940-4-24 843 Sonoma 1 mi. N of two and one half mile junction from Kenwood and Glen Ellen in Bennett Valley. Comment
  SEINET197658 Image available Melica geyeri Leo Koch 1940-4-24 843 Sonoma Roadside in Bennett Valley a mile north of two and one-half mile junction from Kenwood and Glen Ellen Comment
  SEINET261375 Image available Melica imperfecta P. G. Connors 1990-5-24 15 Sonoma Bodega Head. Bodega Marine Station 1150N 4850E Comment
  CAS-BOT-BC262560  Melica torreyana Mary P. Wells 1984-5-24 300 A Sonoma Annadel State Park (near Santa Rosa) Comment
  JEPS45821  Melica torreyana Eleanor Armstrong 1932-5-19 164 Sonoma Camp Meeker 106 Comment
  UCD89204  Melica torreyana R. Tofsrud 1942-4-1 s.n. Sonoma N. of Sonoma. Road to 'Top O'World. Comment
  UCSC000404  Melilotus indicus Merle Randall 1930-7-10 s.n. Sonoma Shore, Jenner to Fort Ross Comment
  RSA800065  Melilotus indicus Peter Rubtzoff 1968-8-31 5941 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA800066  Melilotus indicus Peter Rubtzoff 1971-8-20 6640 Sonoma 5 mi north of Sears Point. Comment
  CAS-BOT-BC164086  Mentha Peter Rubtzoff 1954-8-11 1686 Sonoma Guerneville Marsh. Comment
  UCR244600  Mentha Peter Rubtzoff 1958-9-27 4011 Sonoma Laguna de Santa Rosa, northeast of Graton, 1.5 mi north of Guerneville Road 23 Comment
  UCR244668  Mentha Peter Rubtzoff 1960-9-14 4553 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) 30 Comment
  CAS-BOT-BC164089  Mentha Peter Rubtzoff 1960-9-17 4571 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  CAS-BOT-BC173614  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi. east of Healdsburg. Russian River. Comment
  RSA785218  Mentha Peter Rubtzoff 1959-8-2 4210 Sonoma Willow Creek Marsh. Comment
  UCD125048  Mentha canadensis P. B. Kennedy 1927-8-20 s.n. Sonoma Knight's Valley. Comment
  JEPS63448  Mentha pulegium W. L. Jepson 1903-10-4 2363 Sonoma near Monte Rio (Bohemian Club Grove, moist bed of winter pond); Bohemian Club Grove Comment
  UCSB11202  Mentha pulegium Breedlove, Dennis 1961-12-31 Sonoma At S side of mouth of Russian River 6 Comment
  CAS-BOT-BC428957  Micranthes californica A. A. Heller; H. E. Brown 1902-3-12 5040 Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  POM203301  Microseris bigelovii J. T. Howell 1931-4-18 6417 Sonoma Mouth of Salmon Creek, 2 miles n. of Bay. Comment
  POM53389  Microseris douglasii subsp. douglasii Edward L. Greene 1892-4-23 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC322650  Microseris laciniata F. T. Bioletti 1893-6-10 s.n. Sonoma Los Guilucos Valley Comment
  CAS-BOT-BC322704  Microseris laciniata Carl B. Wolf 1927-9-2 1346 Sonoma 2 miles south Anchor Cove Comment
  CAS-BOT-BC322748  Microseris paludosa Ella Dales Cantelow 1941-4-18 3508 Sonoma 2 miles north of Windsor Comment
  CAS-BOT-BC322751  Microseris paludosa G. DeNevers; S. Kaza 1981-5-7 976 Sonoma 10510 Old Redwood Highway 2miles NW of Windsor exit from 101, vacant lot by Healdsburg Rent-All Comment
  CAS-BOT-BC322754  Microseris paludosa John Thomas Howell 1937-6-6 13046 Sonoma 7 miles n. of Petaluma on Stony Point Road Comment
  CAS-BOT-BC311872  Mimulus Peter Rubtzoff 1976-6-18 8656 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC311875  Mimulus Peter Rubtzoff 1954-7-29 1606 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC320508  Mimulus Peter Rubtzoff 1964-5-31 5326 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg, along Russian River. Comment
  RSA0025401  Mimulus Peter Rubtzoff 1954-6-20 1513 Sonoma Guerneville Marsh. Comment
  POM5074  Mimulus aurantiacus var. aurantiacus Ivar Tidestrom 1895-6-14 11250 Sonoma Petaluma. Comment
  UC1012322  Mimulus aurantiacus var. aurantiacus F. W. Pennell and H. L. Mason 1940-5-21 25492 Sonoma 12 mi e Healdsburg (Route 28); Knights Valley, Maacona Creek 121 Comment
  UCD122508  Mimulus cardinalis K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  UCD151206  Mimulus cardinalis James A. Neilson Jr. 1974-7-10 2821 Sonoma Mayacmas Mountains, 1/2 mile south of Geyser Rock, along road to PG and E unit 9 and 10, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1005 Comment
  CDA11329  Mimulus congdonii G. F. Hrusa 1995-4-2 12039 Sonoma North Coast Biodiversity Arena; Along Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  UC125184  Mimulus grandis Katharine Brandegee 1905-1 Sonoma Bodega Comment
  HSC20728  Mimulus guttatus R. F. Good 1962-4-20 24 Sonoma 2 mi. W of Petaluma on D St. Extension toward Point Reyes. Sonoma Mtn. Coast Range 0 Comment
  RSA434668  Mimulus guttatus Francis W. Pennell, H. L. Mason 1940-5-21 25483 Sonoma Route 28, Kellogg. 183 Comment
  JEPS19393  Mimulus inodorus G. Thomas Robbins 1937-6-5 226 Sonoma 10 mi w Santa Rosa (Pitkin Ranch); Vine Hill region Comment
  JEPS74597  Mimulus inodorus L. R. Heckard 1974-8-21 3825 A Sonoma near end Templeton road (s-central part of marsh); Pitkin Marsh Comment
  UC444796  Mimulus kelloggii H. P. Chandler 1907-4-27 7546 1/2 Sonoma St. Helena to Santa Rosa (via Spring Mt.) Comment
  UCD122689  Mimulus microphyllus Janet McIntosh 1966-4-27 21 Sonoma 8 miles east of Petaluma, State Highway 116. 76 Comment
  NY90752  Mimulus nasutus H. T. Edwards 04 1877 s.n. Sonoma Knights Valley Comment
  JEPS3030  Mimulus tricolor Milo S. Baker 1952-4-30 12408 B Sonoma along road e of Summit Bennett Valley rd. Comment
  UC1063065  Mimulus tricolor E. Armstrong 1934-4-15 1210 Sonoma near Occidental; Sebastapol Quadrangle Comment
  CDA11327  Minuartia californica G. F. Hrusa 1995-4-2 12037 Sonoma North Coast Biodiversity Arena; Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  SEINET7075494  Minuartia californica 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
  UC1299494  Minuartia douglasii Freed W. Hoffman 1947-6-4 531 Sonoma headwaters of East Austin Creek North Coast Ranges Comment
  UCD98267  Minuartia douglasii Roxana S. Ferris; Laura Lorraine 1961-6-14 13522 Sonoma junction of Bittner Road with Joy Road, between Occidental and Bodega. Comment
  CHSC67996  Monardella villosa Jack Guggolz; Betty Guggolz 1992-6-13 1313 Sonoma West side of Black Mountain, south of Geyser Peak. 597 Comment
  CLARK-A1528-3154  Monardella villosa John C. Roos 1950-7-22 4868 Sonoma Jenner 30 Comment
  CHSC68008  Monardella villosa subsp. villosa James Jokerst 1985-5-29 2387 Sonoma Near Cobb Mountain. 1126 Comment
  UC1299606  Monardella villosa subsp. villosa Freed W. Hoffman 1946-9-26 577 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC349590  Monolopia major J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma Comment
  UC13668  Montia fontana F. T. Bioletti April, 1893 Sonoma Kernwood Comment
  UCD110297  Morella californica P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  SBBG128418  Morella californica L. Ahart, M. Anthony, J. Dittes, J. Guardino 2013-4-25 18601 Sonoma near the edge of a residential driveway, 0.7 mi E of Pacific Ocean, 0.8 mi W of Gualala River 111 Comment
  CAS-BOT-BC515645  Muilla maritima Alice Griffin 1922-3-29 s. n. Sonoma Meadow opposite Myrtledale Geyser 1 1/2 mi north of Calistoga Comment
  CDA5598  Myosotis discolor T. C. Fuller 1958-5-24 3984 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CAS-BOT-BC257705  Myosurus Peter Rubtzoff 1966-4-17 5681 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  UC672611  Myrica californica Herbert L. Mason 1928-7-11 4893 Sonoma canyon 2 mi. n. Fort Ross Comment
  RSA800151  Myriophyllum brasiliense Peter Rubtzoff 1963-7-6 5195 Sonoma Laguna de Santa Rosa area east of Cunningham. Comment
  CAS-BOT-BC456193  Najas guadalupensis Peter Rubtzoff 1971-9-1 6666 Sonoma Spring Creek Reservoir area. Comment
  CAS-BOT-BC260077  Nassella lepida G. DeNevers 1981-5-15 1165 Sonoma Pepperwood Ranch, in N arm of Garrison Canyon Comment
  UCD87884  Nassella lepida P. B. Kennedy 1918-5-28 s.n. Sonoma Santa Rosa to Calistoga Road. Comment
  CAS-BOT-BC260276  Nassella pulchra Bolander 1864-4-1 s.n. Sonoma Mark West Creek Comment
  CAS-BOT-BC260279  Nassella pulchra Barrett Anderson 1987-4-27 3465 Sonoma Petaluma, S of El Rose and W of D Street 120 Comment
  UCD87690  Nassella pulchra M. Wiesendanger 1927-5-5 714 Sonoma Sonoma. Comment
  CAS-BOT-BC60522  Nasturtium officinale Peter Rubtzoff 1960-5-22 4411 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville roads). 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
  RSA94328  Nasturtium officinale Peter Rubtzoff 1951-6-9 158 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC230267  Navarretia cotulifolia A. A. Heller 1902-6-4 5638 Sonoma San Miguel Island. Head east fork of Canyon Del Mar 0.3 miles west of the old ranch house. 152 Comment
  UC188486  Navarretia heterodoxa Edw. L. Greene 1888-8-31 Sonoma Petrified Forest Comment
  UC23655  Navarretia intertexta Alice King Jun 1897 Sonoma Healdsburg Comment
  RSA642579  Navarretia intertexta A. Howald 1995-6-13 1922 Sonoma Annadel State Park (near Santa Rosa) in the Ledson Marsh area (sometimes called Bennett Lake) 358 Comment
  UCD39804  Navarretia intertexta Collector Unknown 1947-5-16 Sonoma 4.5 miles E. of Windsor. Comment
  CAS-BOT-BC230369  Navarretia leucocephala subsp. bakeri Peter Rubtzoff; Nancy Harrison 1978-5-20 9176 Sonoma Todd Road 1.4 miles from Highway 116 and 0.6 mile from Llano Road (off N side of the road, in Todd Road Wildflower Preserve) Comment
  UC583200  Navarretia leucocephala subsp. bakeri Alice Eastwood and John Thomas Howell 1936-5-19 2520 Sonoma 2 mi n Windsor Comment
  UC52779  Navarretia squarrosa W. C. Blasdale 1896-7-19 Sonoma Cazadero Comment
  RSA94272  Navarretia squarrosa Peter Rubtzoff 1951-8-19 656 Sonoma Pitkin Marsh, near Forestville: near the creek, just north of the Lower Marsh Comment
  UC101996  Navarretia tagetina Katharine Brandegee Jun 1905 Sonoma between Santa Rosa and Sebastopol Comment
  UC1719859  Navarretia tagetina David Fruchter 1978-9-17 96 Sonoma Diamond D. Comment
  JEPS70509  Navarretia viscidula W. L. Jepson 1921-6-2 9298 Sonoma w of Windsor Comment
  POM118672  Nemophila heterophylla Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  SD130512  Nemophila heterophylla F. Almeda, G. DeNevers 1981-3-30 4888 Sonoma Pepperwood Ranch; summit and east-facing slope of Three Tree Hill. Comment
  UC494180  Nemophila heterophylla H. E. and S. T. Parks 1930-5-9 611 Sonoma Knights Valley Comment
  UCD119981  Nemophila heterophylla Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1753 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trail approx. 200 yds. From just E of Bear Creek about 5 yds. N of confluence with Sonoma Creek. 198 Comment
  CHSC23124  Nemophila menziesii Robert A. Schlising 1962-3-31 2110 Sonoma In pastured field. Comment
  UC24263  Nemophila menziesii var. atomaria Milo S. Baker 1902-3-31 Sonoma Kenwood Comment
  UC606952  Nemophila menziesii var. atomaria L. Constance 1938-4-24 2158 Sonoma mouth of small canyon 0.5 mi s Fort Ross; s of Fort Ross 91 Comment
  UCR265138  Nemophila pedunculata Ann Howald 2015-4-1 3313 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 11.5 miles west of intersection with Rockpile Rd, Warm Springs drainage 408 Comment
  UC70571  Nicotiana quadrivalvis W. A. Setchell 1905-8-13 Sonoma banks of Russian River (Bohemia); Bohemia Comment
  RSA0009430  Nuphar lutea subsp. polysepala Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  CAS-BOT-BC400121  Nuphar polysepala Peter Rubtzoff 1951-7-8 417 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  POM232044  Oenanthe sarmentosa Roxana S. Ferris 1937-8-18 9376 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  UCD127440  Oenanthe sarmentosa Frederica Bowcutt 1994-7-5 1941 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along S edge of Sonoma Creek just upstream from confluence with Bear Creek. Immed. E of Goodspeed Trail Bridge over Sonoma Creek. N of Adobe Canyon Road about 60 ft. 225 Comment
  UCD127739  Oenanthe sarmentosa Mary M. Hektner; Cathy Hendel 1974-6-26 073 Sonoma Unit 3 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC251248  Oenothera Peter Rubtzoff 1971-5-8 6441 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  RSA799988  Oenothera Peter Rubtzoff 1971-5-8 6441 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mi west of Arnold Drive. Comment
  CAS-BOT-BC499695  Orobanche californica subsp. californica Cecilia Zanelli 1925-9-1 s.n. Sonoma Plantation Comment
  CAS-BOT-BC502938  Orobanche uniflora Greg de Nevers 1997-5-3 10987 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Rd 457 Comment
  CAS-BOT-BC238410  Orthocarpus Charles Piper Smith 1948-6-4 48340 b Sonoma Local road - Sebastopol, 1.5 miles west Comment
  RSA523831  Orthocarpus densiflorus Gordon H. True Jr. 1938-4-13 860 Sonoma Between Sonoma and Black Point. Comment
  POM182697  Orthocarpus erianthus D. D. Keck 1931-4-2 1001 Sonoma Boyes Springs 30 Comment
  RSA126138  Orthocarpus purpurascens Alice Eastwood 1915-6-29 4859 Sonoma Bodega Point. Comment
  UC21179  Osmorhiza berteroi F. T. Bioletti 1892-3-13 Sonoma Comment
  CDA34796  Oxalis pes-caprae Peter Warner 2010-3-29 123 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  UC1389001  Packera Milo S. Baker 1934-4-28 7605 Sonoma w Dry Creek Valley (ne corner of ranch); Jensen Ranch Comment
  CAS-BOT-BC227659  Panicum Peter Rubtzoff; Nancy Harrison 1977-8-26 9120 Sonoma On grounds of Apple Time apple products cannery on the east side of former Perry Marsh, near Molino. Comment
  UC1131619  Panicum acuminatum var. acuminatum H. S. Yates 1936-5-16 5589 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  UC1532604  Panicum acuminatum var. acuminatum R. Spellenberg 1966-9-7 1618 Sonoma The Geysers along Sulphur Creek downstream from the The Geyser area; The Geysers, along Sulphur Creek Comment
  UCD89125  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 c Sonoma North East part of county. The Geysers. Comment
  SEINET11687824  Panicum capillare subsp. hillmanii I. Knight, Knight, W.; Howell, J. T. 1986-1 5854 Sonoma town of Penngrove, at edge of driveway at fire department entrance 12 Comment
  CAS-BOT-BC253794  Panicum hillmanii Peter Rubtzoff 1971-8-23 6659 Sonoma Meacham Road 0.35 mile S of Stony Point Road Comment
  SEINET3277114 Image available Panicum thermale Leo Koch 1940-4-22 825 Sonoma Slopes around Sulfur Creek Geysers, east of Cloverdale, Inner North Coast Ranges. Comment
  JEPS30838  Parapholis incurva Rimo Bacigalupi and L. R. Heckard 1962-6-19 8594 Sonoma just above beach line on Bodega Harbor side Bodega Head (opposite spit of Doran Beach); Bodega Harbor side of Bodega Head, opposite Doran Beach Comment
  UC157913  Parietaria pensylvanica Milo S. Baker 1898-6-12 679 Sonoma Geyser Canyon Comment
  CAS-BOT-BC210044  Paspalum Peter Rubtzoff 1971-8-23 6647 Sonoma Spring Hill Road, 0.8 mi. SE of Bodega Hwy. (of Two Rock Church). Comment
  UC727743  Paspalum dilatatum Milo S. Baker 1946-8-17 11552 Sonoma ca 1 1/2 mi w of town Cunningham (Upland near the Joe 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
  RSA118963  Paspalum distichum L. S. Rose 1956-8-20 56147 Sonoma San Antonio Creek, Highway 101 3 Comment
  UCD88962  Paspalum distichum Collector Unknown 1941-1 328 Sonoma E Street Bridge, Santa Rosa. Comment
  UC1239018  Pedicularis densiflora Freed W. Hoffman 1947-2-28 603 Sonoma headwaters of Palmer Creek (a branch of Mill Creek); North Coast Ranges, Wild Hog Ridge Comment
  JEPS77252  Pedicularis densiflora Robert M. Lloyd 1963-4-24 2391 Sonoma 12.6 mi from State Hwy 12 on road to Oakdale 457 Comment
  CAS-BOT-BC207022  Pelargonium vitifolium Catherine Best 1984-5-13 950 Sonoma On the edge of Hwy 1 about .5 mi north of Fort Ross. Comment
  UC62502  Pellaea andromedifolia J. Burtt Davy 1894-12-9 863 Sonoma Kenwood Comment
  CAS-BOT-BC71483  Pellaea mucronata Walter Knight; Irja Knight 1964-1-17 519 Sonoma Hooker Canyon, Cavedale Rd. Comment
  UC71499  Pellaea mucronata var. mucronata Bioletti 1894-1 Sonoma near Hood's Peak Comment
  UCD151229  Penstemon heterophyllus James A. Neilson Jr. 1974-5-17 2847 Sonoma On the border of Lake and Sonoma Counties: Mayacmas Mountains, Geyser Rock area, west of Whispering Pines and State Highway 175. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  POM14670  Penstemon heterophyllus subsp. heterophyllus A. A. Heller 1902-6-28 5790 Sonoma Between Knight's Valley and Mark West Springs. Comment
  UC1238920  Penstemon heterophyllus var. purdyi Freed W. Hoffman 1947-4-20 654 Sonoma near Guerneville (headwaters of Fife Creek, Del Preti Hill); North Coast Ranges, headwaters Fife Creek Comment
  CAS-BOT-BC245716  Penstemon newberryi var. sonomensis Belle Richardson Jackson 1924-8-1 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC222741  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1951-8-19 666 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC222744  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1951-9-15 752 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  OBI81671  Perideridia kelloggii Tracey Call, Viola Call 1963-7-12 2240 Sonoma 4 mi NW of Cloverdale Comment
  UC1312895  Perideridia oregana Lincoln Constance, Tsan-Iang Chuan, and Charles F. Quibell 1967-7-9 3790 Sonoma 1.5 mi nw The Geysers (above creek); Big Sulphur Creek 441 Comment
  CAS-BOT-BC413649  Persicaria amphibia Peter Rubtzoff 1966-8-21 5796 Sonoma Atascadero Creek Marsh Comment
  UCD99359  Persicaria amphibia Ann F. Johnson 1979-6-19 s.n. Sonoma South of entrance road to Bodega Dunes State Park. Comment
  CAS-BOT-BC418896  Persicaria hydropiperoides Greg de Nevers 1987-7-10 8237 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC418917  Persicaria hydropiperoides Peter Rubtzoff 1958-8-9 3859 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CAS-BOT-BC418923  Persicaria hydropiperoides Peter Rubtzoff 1963-9-1 5248 Sonoma Bennett Mtn. Lake Comment
  SD99429  Persicaria hydropiperoides Peter Rubtzoff 1954-8-10 1675 Sonoma Bodega Head Marsh, open marshy ground Comment
  CAS-BOT-BC419120  Persicaria lapathifolia Peter Rubtzoff 1956-9-14 2888 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC419278  Persicaria maculosa Peter Rubtzoff 1964-5-31 5329 Sonoma Fitch Mtn. Grove, 2 mi. east of Healdsburg Comment
  CAS-BOT-BC419286  Persicaria orientalis Peter Rubtzoff 1958-7-20 3786 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road) Comment
  CAS-BOT-BC419431  Persicaria punctata John Thomas Howell 1946-8-17 22854 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC419428  Persicaria punctata Peter Rubtzoff 1955-8-28 2106 Sonoma Forestville Marsh Comment
  UCR90865  Petrorhagia nanteuilii Kathy Harper, D. Karr 1994-6-10 s.n. Sonoma North Coast Range, King Ridge Road along Big Austin Creek, north of Cazadero 122 Comment
Read comments
Jan 29 2010
  UCD120302  Phacelia californica K. Esau 1932-5-2 s.n. Sonoma Bodega Bay. Comment
  POM298993  Phacelia distans J. T. Howell 1930-6-8 5274 Sonoma North end of Bodega Bay. Comment
  SJSU7530  Phacelia distans L. S. Rose 1965-4-4 65060 Sonoma 1 mi N of Sonoma 60 Comment
  UC107445  Phacelia distans J. W. Congdon 1880-4-9 Sonoma Petaluma Comment
  RSA0056425  Phacelia distans Greg de Nevers 1997-4-16 10943 Sonoma Moon Mountain Road. Comment
  JEPS1968  Phacelia egena F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  CHSC52635  Phacelia imbricata James Jokerst 1985-5-29 2386 Sonoma Near Cobb Mountain. 1126 Comment
  SEINET12327821  Phacelia imbricata F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -082 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  JEPS28415  Phacelia nemoralis subsp. oregonensis L. R. Heckard 1951-6-12 H- 153 Sonoma along dirt road above Pine Flat ((road from Pine Flat to hwy 29 near Whispering Pines), about 8 airline mi ne of Geyserville) Comment
  UC444442  Phacelia suaveolens E. L. Greene Aug. 1888 Sonoma Petrified Forest; ; Petrified Forest, Sonoma Co. Comment
  UC1132415  Phalaris angusta H. S. Yates 1936-5-16 5617 Sonoma near Green Valley School; Sebastopol Quad. Comment
  UCD88336  Phalaris angusta H. S. Yates 1936-5-16 5617 Sonoma California Forest and Range Experiment Station. Near Green Valley School. 91 Comment
  RSA227235  Phalaris arundinacea Peter Rubtzoff 1958-5-17 3659 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Rd.) Comment
  UCD88771  Phalaris californica H. S. Yates 1936-5-16 5618 Sonoma California Forest and Range Experiment Station. Near Green Valley School. 91 Comment
  UCR244625  Phalaris lemmonii Peter Rubtzoff 1972-6-23 6784 Sonoma Atascadero Creek Marsh Comment
  UCD88878  Phalaris lemmonii A. A. Beetle 1946-5-7 4261 Sonoma Santa Rosa. Franklin Ave. Comment
  UC1011004  Phalaris paradoxa Virginia Bufford 1936-5-20 341 Sonoma Kellogg Mark West Rd 3 mi from Mark West; 3 mi from Mark West Comment
  UC76891  Phleum pratense unknown Jul 1891 Sonoma Sonoma Comment
  RSA139502  Phoradendron densum Del Wiens 1960-6-14 2723 Sonoma Ca 4 miles SE of Monte Rio on road to Camp Meeker. Comment
  CAS-BOT-BC171217  Phoradendron serotinum subsp. tomentosum G. De Nevers 1981-7-1 1725 A Sonoma Pepperwood Ranch. Along the Road to the Studio on Horse Hill Comment
  CDA16372  Phyllospadix scouleri G. F. Hrusa 2000-11-13 15717 Sonoma Kortum trail head to Goat Rock. Comment
  SEINET3290573 Image available Phyllospadix torreyi W. R. Russell, Roman Gankin 1956-11-14 s.n. Sonoma North end of Sonoma State PArk, about 3 miles north of Bodega Bay Comment
  CAS-BOT-BC366895  Physalis Greg de Nevers 1997-11-1 11105 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Creek at Piney Canyon 400 Comment
  CAS-BOT-BC140612  Physocarpus capitatus Peter Rubtzoff 1959-6-7 4105 Sonoma Bank of Russian RIver betw. East Guerneville and Vacation Beach, nr. Guerneville Comment
  CAS-BOT-BC140615  Physocarpus capitatus Lester Rowntree 1932-6-11 s.n. Sonoma Bodega Comment
  CAS-BOT-BC140628  Physocarpus capitatus Walter Knight; Irja Knight 1963-8-13 165 Sonoma Harrison Grade Comment
  RSA516637  Pinus S. Flowers 1988-2-5 s.n. Sonoma Sonoma Rd. marker, Hwy One, 52.32 miles at Pebble Beach Access Trail, across Sea Ranch. Tree located 20 feet W of Hwy 1 and 12 feet N off parking entrance. Comment
  CAS-BOT-BC72880  Pinus muricata Mary P. Wells 1983-8-3 177 Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch. Comment
  SEINET4467740 Image available Pinus muricata var. borealis D. I. Axelrod 1983-1 E- 3 Sonoma Comment
  JEPS45844  Piperia transversa Eleanor Armstrong Jun 1932 507 Sonoma near Camp Meek Comment
  UCD166066  Plagiobothrys Peter Rubtzoff 1971-5-8 6449 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing. Comment
  UCR244611  Plagiobothrys Peter Rubtzoff, H. A. Froebe 1971-5-30 6488 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Road Comment
  UC1229794  Plagiobothrys bracteatus Robert Ornduff 1960-4-21 6073 Sonoma in midst of housing development on both sides Hayes St. (s of Sonoma Elementary School, w edge of Sonoma); Sonoma Comment
  UCR261634  Plagiobothrys bracteatus Ann Howald 2003-5-15 2336 Sonoma Inner North Coast Ranges, Sonoma Mountains, south end, upper east slope, c. 0.1 mile south of Rodgers Creek 205 Comment
  RSA0083876  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-16 6219 Sonoma 5 miles north of Sears Point Comment
  UCD120885  Plagiobothrys nothofulvus Botany 102 students 1993-4-24 101 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. SE of Sonoma Creek, 1.25 air miles SE of Red Mtn, along Hillside Trail. 396 Comment
  RSA0008557  Plagiobothrys reticulatus Roxana S. Ferris, L. Lorraine 1961-6-14 13541 Sonoma Willow Creek road between Occidental and Jenner, 5.7 miles from Jenner Comment
  RSA31970  Plagiobothrys reticulatus var. rossianorum A. A. Heller 1938-5-14 15081 Sonoma In a field just back of the sea north of Bay, Bodega Bay. Comment
  SEINET3292823 Image available Plagiobothrys scouleri Lewis S. Rose 1933-5-9 33155 Sonoma Bodega Bay Comment
  RSA783723  Plagiobothrys stipitatus var. stipitatus Peter Rubtzoff 1969-5-11 6030 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  RSA783740  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6094 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  CAS-BOT-BC376290  Plantago Greg de Nevers 1992-6-16 10172 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek 304 Comment
  CAS-BOT-BC293683  Plantago Peter Rubtzoff 1958-8-31 3952 Sonoma Atascadero Creek Marsh. Comment
  UC28041  Plantago erecta Edw. L. Greene 1889-1 Sonoma Knight's 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
  UC496402  Plantago lanceolata Merle Randall 1930-4-10 Sonoma Fort Ross to Jenner 91 Comment
  UCD160860  Plantago lanceolata James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3289 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-BC258397  Plantago lanceolata Peter Rubtzoff 1959-6-20 4159 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC258382  Plantago major Peter Rubtzoff 1973-10-3 7331 Sonoma 0.75 miles northwest of Freestone. Comment
  UC50134  Platystemon californicus Harley P. Chandler 1900-5-25 707 Sonoma Bodega Bay Comment
  CAS-BOT-BC92126  Platystemon californicus George H. Mallory 1920-3-29 s.n. Sonoma East side of Rincon Valley 6 miles from Santa Rosa. Comment
  SD130425  Platystemon californicus F. Almeda, G. DeNevers 1981-3-30 4882 Sonoma Vicinity of the Bechtel Cabin. Comment
  UCD148501  Pleuropogon Peter Rubtzoff 1966-4-30 5686 Sonoma On north side of Highway 116, 0.5 miles northwest of Stony Point Road crossing. Comment
  SEINET10717831  Pleuropogon P. Rubtzoff 1966-4-30 Rubtzoff 5686 Sonoma On north side of Highway 116, 0.5 miles northwest of Stony Point Road crossing. Comment
  OBI22107  Pleuropogon californicus Lewis S. Rose 1962-4-11 62020 Sonoma Laguna de Santa Rosa, 1/2 mi E of Cunningham 15 Comment
  UC1024775  Pleuropogon californicus Leo Whitney 1935-3-17 2354 a Sonoma Santa Rosa Comment
  UC1258209  Pleuropogon californicus Paul But with Raymond Auyeung 1975-5-17 P 40 Sonoma 2 mi ne of Sebastopol (1/4 mi from Hwy 12, on Llano Road) Comment
  UCR255690  Pleuropogon californicus Greg de Nevers 1998-4-28 11207 Sonoma North Coast Range, Cresta Ranch, Cresta Road east of Mark West Lodge, on flood plain of Mark West Creek 137 Comment
  UC1023574  Pleuropogon californicus Virginia Bufford 1935-3-26 12 Sonoma near Hearn School Comment
  CAS-BOT-BC260968  Pleuropogon californicus var. californicus Thomas W. Nelson; Jane P. Nelson 1980-5-3 5128 Sonoma Along Roberts Road ca 100 m. past bridge over Copeland Creek, east of Rhonert Park 60 Comment
  UCD90132  Pleuropogon californicus var. californicus Beecher Crampton 1955-4-5 2417 Sonoma 2.5 miles south of Windsor, western boundary of Sonoma County Airport, along Mark West Road. Comment
  CAS-BOT-BC260974  Pleuropogon californicus var. californicus Peter Rubtzoff 1955-4-30 1802 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC260983  Pleuropogon californicus var. californicus J. W. Congdon 1880-4-19 s.n. Sonoma Petaluma Comment
  RSA73965  Pleuropogon californicus var. californicus Milo S. Baker 1952-4-20 12402 Sonoma Western outskirts of Sonoma, along 5th street. Comment
  SEINET10611506  Pleuropogon californicus var. californicus Edward Lee 1934-4-30 Lee 753 Sonoma 1 mile west of 2 Rock junction. Comment
  HREC248 Image available Pleuropogon hooverianus Chuck Williams 1998-5-21 2162 Sonoma Hopland Field Station: 4100 Pressley Rd. Comment
  UC1258217  Pleuropogon hooverianus Paul But 1975-5-17 P 4 Sonoma 0.5 mi from Freestone (on Bohemian Hwy at Freestone Flat Road) 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
  UCD90338  Poa annua Beecher Crampton 1955-3-15 2325 Sonoma Sonoma County, town of Asti. Comment
  SEINET215169 Image available Poa bolanderi subsp. howellii J. M. Tucker 1971-5-29 4193 Sonoma Ca. 3 mi. by road SW of it jcn. w/ State hwy 29 near Middletown; Western Mine Rd. 762 Comment
  HSC10653  Poa bulbosa C. S. Chavez 1965-4-19 45 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  UCD90689  Poa bulbosa David L. Morgan 1961-3-23 s.n. Sonoma Cotati. Comment
  CAS-BOT-BC254554  Poa douglasii Milo S. Baker 1931-4-18 5384 Sonoma Beach at mouth of Salmon Creek Comment
  CAS-BOT-BC246637  Poa howellii A. A. Heller 1902-3-27 5168 Sonoma Western base of Mt. Hood Comment
  UCD90528  Poa kelloggii P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC255838  Poa kelloggii Mary P. Wells 1985-4-11 467 Sonoma 230 Pilot's Reach, The Sea Ranch Comment
  CAS-BOT-BC256030  Poa pratensis Peter Rubtzoff 1951-6-7 128 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  UC1745507  Poa pratensis subsp. pratensis Annetta M. Carter 1934-4-29 511 Sonoma 1 mi. W of Two Rock Junction on rd. to Tomales. Comment
  CAS-BOT-BC368027  Poa secunda Greg de Nevers 1998-6-10 11280 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  CAS-BOT-BC243248  Poa secunda subsp. secunda John Thomas Howell; et al. 1982-4-28 54668 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC243254  Poa secunda subsp. secunda G. DeNevers 1981-4-25 862 Sonoma Pepperwood Ranch. Roadside at Mark West Creek and Leslie Creek Comment
  JEPS45816  Poa secunda subsp. secunda Eleanor Armstrong 1932-5-19 163 Sonoma 1/4 mi n Santa Rosa 60 Comment
  HSC100957  Poa secunda subsp. secunda Peter Warner 2011-5-13 196 Sonoma Jenner Headlands, N edge of Johnson Field, ~580 m, N84 deg. E of Hwy. bridge at Russian Gulch, S edge of gulch that crosses Muniz Ranch Rd. 0 Comment
  CAS-BOT-BC244194  Poa trivialis Peter Rubtzoff 1962-5-25 4831 Sonoma Laguna de Santa Rosa N of Sebastopol, near Occidental Road crossing Comment
  RSA129473  Poa trivialis H. S. Yates 1937-5-30 6558 Sonoma 1 1/2 miles N of Freestone. 91 Comment
  UCD92153  Poa unilateralis David L. Morgan 1961-4-15 s.n. Sonoma above Bodega Bay. Comment
  CAS-BOT-BC312677  Poaceae Peter Rubtzoff 1964-5-31 s.n. Sonoma Fitch Mountain Grove, near Healdsburg, along Russian River. Comment
  UCD125414  Pogogyne douglasii Peter Rubtzoff 1971-5-30 6487 Sonoma 4.25 miles west of Glen Ellen. Comment
  JEPS83507  Pogogyne douglasii Jack and Betty Guggolz 1985-5-12 708 BG Sonoma from wet vacant lot north of Arata Lane on the west side of Old Redwood Highway Comment
  CAS-BOT-BC368094  Pogogyne serpylloides Greg de Nevers 1998-5-5 11228 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  CDA40764  Pogogyne serpylloides subsp. intermedia Peter Rubtzoff 1963-6-22 5193 Sonoma Ca. 0.5 mile east of Bennett Mtn. Lake. 0 Comment
  RSA92948  Polycarpon tetraphyllum Milo S. Baker, H. K. Wagnon 1954-7-1 12960 Sonoma 2nd Street in front of Hughes Garage, Santa Rosa. Comment
  UC1198995  Polygala californica Joseph P. Tracy 1933-5-1 12124 Sonoma Knight's Valley 152 Comment
  UC450157  Polygala californica Miss C. M. Hoak August 1912 Sonoma Monte Rio Comment
  UCD109702  Polygala californica E. Frost 1996-5-26 20 Sonoma Mt. St. Helena, 150 yards in along hiking trail. 609 Comment
  UCD160122  Polygala cornuta James A. Neilson Jr. 1973-6-3 2993 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC258038  Polygonum Peter Rubtzoff 1975-8-28 8363 Sonoma Kenwood Marsh. Comment
  UCR255683  Polygonum amphibium Greg de Nevers 1998-6-28 11296 Sonoma Laufenberg Ranch, Spencer Lane, Knights Valley 143 Comment
  CAS-BOT-BC164078  Polygonum arenastrum Peter Rubtzoff 1956-9-14 2887 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC164043  Polygonum arenastrum Peter Rubtzoff 1961-8-22 4681 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC414119  Polygonum aviculare subsp. aviculare A. A. Heller 1902-6-11 5693 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC109165  Polygonum bolanderi F. G. Krauss 1893-10-8 s.n. Sonoma K Ranch. Comment
  UC6669  Polygonum bolanderi Michener and Bioletti July 1893 Sonoma Hoods Peak Comment
  CLARK-A1528-3782  Polygonum convolvulus John C. Roos 1959-7-30 Sonoma Healdsburg Garden Comment
  UC727705  Polygonum lapathifolium Milo S. Baker 1946-8-17 11562 Sonoma The Laguna; at the crossing of the Occidental Rd Comment
  UCD100498  Polygonum marinense P. G. Connors 1995-6-2 343 Sonoma Bodega Head and Dunes. Near Bodega Marine Lab Housing. Comment
  POM225313  Polygonum punctatum J. T. Howell 1932-9-18 10770 Sonoma Kenwood Marsh near Kenwood Comment
  UC42883  Polypodium F. T. Bioletti 1891-12-25 Sonoma Sonoma Comment
  UC914094  Polypodium calirhiza Milo S. Baker June 1944 10886 Sonoma 1 1/2 mi n in hills Sonoma Comment
  UCD55140  Polypodium glycyrrhiza Ellen Dean; Tammie Beyerl 2006-4-28 3022 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 179 Comment
  UC1063661  Polypodium scouleri H. S. Yates 1934-4-21 3797 Sonoma near Bodega; Sebastopol Quadrangle Comment
  CAS-BOT-BC232934  Polypogon Peter Rubtzoff 1983-8-28 9672 Sonoma Austin Creek, ca. 0.5 mile N of Highway 116 on Cazadero Road Comment
  CAS-BOT-BC350910  Polypogon Peter Rubtzoff 1970-9-3 6376 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC350942  Polypogon Peter Rubtzoff 1968-9-21 5981 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC233226  Polypogon maritimus Peter Rubtzoff 1960-6-7 4445 Sonoma Austin Creek Marsh Comment
  SD39929  Polypogon monspeliensis Edith A. Purer 1932-7-24 4082 Sonoma Bodega Bay, stabilized dunes Comment
  UCD91325  Polypogon monspeliensis Hursh 1919-5-12 X 3252 Sonoma Santa Rosa. Comment
  RSA93467  Polypogon monspeliensis Milo S. Baker 12390 Sonoma Near creek west of Petrified Forest at Shale Quarry. Comment
  CAS-BOT-BC237613  Polypogon viridis Peter Rubtzoff 1960-6-5 4439 Sonoma Laguna de Santa Rosa are NE of Graton, near the Laguna Road Comment
  RSA0022425  Polypogon viridis Peter Rubtzoff, Nancy Harrison 1974-9-7 7879 Sonoma Hinebaugh Creek in Rohnert Park, in creek bed east of Commerce Blvd. crossing. Comment
  UC71449  Polystichum Bioletti 1894-12-25 Sonoma Graham Canyon Comment
  UC1784893  Polystichum californicum Wendy Born Jun 2003 Sonoma Hood Mountain Regional Park Comment
  UCD168041  Polystichum californicum James A. Neilson Jr. 1981-3-13 3995 Sonoma Mayacmas Mountains, tributary of Hummingbird Creek. 1/2 mile NE of confluence of Hummingbird Creek and Squaw Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  SEINET10794020  Polystichum dudleyi Wendy Born Born s.n. Sonoma Armstrong Redwoods State Park, along road to the Pack Station, ca. 3/4 the way up (immediately across road from large downed tree, on right side of road). Population of P. dudleyi is on left side of road, ca. 100 plants, mixed with Polystichum hybrids, Dryopteris arguta. Comment
  CAS-BOT-BC72482  Polystichum munitum Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC376364  Potamogeton Greg de Nevers 1992-6-8 10159 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC452163  Potamogeton diversifolius Peter Rubtzoff 1955-7-16 1970 Sonoma Bennett Mtn. Lake. Comment
  CDA812  Potamogeton foliosus M. S. Bergseng 1959-1-14 1694 Sonoma Annadel Farms, farm reservoir, Santa Rosa. 0 Comment
  CAS-BOT-BC453750  Potamogeton natans Peter Rubtzoff 1955-8-13 2040 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC141953  Potentilla anserina subsp. pacifica Peter Rubtzoff 1955-8-20 2066 Sonoma Bodega Harbor Marsh - Sonoma County Marshes Comment
  UCD113699  Potentilla anserina subsp. pacifica Terri Williamson 1990-5-20 49 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  CAS-BOT-BC141949  Potentilla anserina subsp. pacifica Peter Rubtzoff 1961-5-6 4675 Sonoma Americano Creek 1/2 mi. east of Valley Ford - Sonoma County Marshes Comment
  HSC98398  Potentilla anserina subsp. pacifica James Faro 1962-4-17 28 Sonoma W side of Bodega Bay, N end Comment
  CAS-BOT-BC141649  Potentilla uliginosa Milo S. Baker 1946-8-17 11550 Sonoma Cunningham Marsh within the fence of the Camp Ground, ca 1 1/2 mi. west of the town of Cunningham Comment
  CAS-BOT-BC354314  Prosartes Peter Rubtzoff 1957-5-4 3316 Sonoma Duncans Mills Marsh area. Comment
  JEPS23733  Prunella vulgaris Eleanor Armstrong May 1932 498 Sonoma near Camp Meeker; near Camp Meeker 121 Comment
  SEINET13947061 Image available Prunella vulgaris Andrew P. Nelson 1960-1 646 18 C Sonoma Originally collected from a mixed pop. At Pitkin Marsh. Comment
  UC449934  Prunella vulgaris var. lanceolata Franklin P. Nutting Sonoma Taylor Creek Comment
  UC1288499  Prunella vulgaris var. vulgaris Andrew P. Nelson 1960-8-3 646 A Sonoma Pitkin Marsh Comment
  CAS-BOT-BC159901  Prunus emarginata A. A. Heller; H. E. Brown 1902-3-21 5120 Sonoma Hills Southeast of Santa Rosa Comment
  CAS-BOT-BC154616  Prunus subcordata A. A. Heller; H. E. Brown 1902-4-4 5215 Sonoma Hills East of Santa Rosa Comment
  POM139676  Prunus subcordata A. A. Heller, H. E. Brown 1902-4-4 5215 Sonoma Hills east of Santa Rosa Comment
  CAS-BOT-BC356498  Pseudognaphalium beneolens Walter Knight; Irja Knight 1963-10-3 379 Sonoma Off ramp freeway US 101 & Railroad Ave., Cotati Comment
  JEPS128346  Pseudognaphalium californicum Roger Raiche 2000-6-6 134 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC356929  Pseudognaphalium californicum G. DeNevers 1981-6-15 1531 Sonoma Pepperwood Ranch. Below the big spring below the 180 deg. turn in the road S of the aluminum gate by the orange tree Comment
  RSA785670  Pseudognaphalium luteoalbum Peter Rubtzoff 1968-8-18 5931 Sonoma Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC357452  Pseudognaphalium ramosissimum Catherine Best 1984-9-18 1041 Sonoma Near the pond on Stoetz Lane about 2 miles northeast of Occidental Comment
  SD39799  Pseudognaphalium stramineum Edith A. Purer 1932-7-24 4081 Sonoma Bodega Bay Comment
  CAS-BOT-BC361624  Pseudognaphalium stramineum R. E. Frenkel 1964-6-22 614 Sonoma On California Hwy. 1 at Sonoma Coast S.P., south of Coleman Beach 18 Comment
  CAS-BOT-BC80183  Pseudotsuga menziesii Peter Rubtzoff 1951-8-18 636 Sonoma Western branch of the Upper Marsh Comment
  UCD135110  Pseudotsuga menziesii Alan A. Beetle 1940-4-7 2596 Sonoma 1 mile south of Ft. Ross; hgwy #1 between Jenner and Ft. Ross. Comment
  UCD166080  Psilocarphus Peter Rubtzoff 1971-6-10 6531 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC166788  Psilocarphus Peter Rubtzoff 1974-6-9 7587 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC176118  Psilocarphus Peter Rubtzoff 1963-6-6 5168 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC362072  Psilocarphus tenellus Alice Eastwood 1921-5-8 10466 Sonoma Petaluma Comment
  CAS-BOT-BC362075  Psilocarphus tenellus G. DeNevers 1981-4-30 889 Sonoma Pepperwood Ranch. At Pippindale Garden Comment
  SEINET4207981  Psoralea physodes Lewis S. Rose 1956-6-18 56097 Sonoma 4 mi. W of Graton, junction of Harrison Grade & Green Valley Road.; 0 Comment
  SEINET6033390  Pteridium aquilinum var. pubescens P. L. Henderson 1977-4-30 77 -6 Sonoma Bodega Bay, on high ground above coast Comment
  UCD100916  Pterostegia drymarioides P. G. Connors 1991-6-14 154 Sonoma University of California Bodega Marine Laboratory. Bodega Head and Dunes. Comment
  CAS-BOT-BC334469  Pyracantha fortuneana G. K. Helmkamp; E. A. Helmkamp 2010-6-5 16254 Sonoma North Coast Ranges: junction of Martinelli Rd and River Rd, 4.65 air mi. due E of Guerneville 9 Comment
  RSA94346  Pyrus communis Peter Rubtzoff 1952-10-26 1332 Sonoma Pitkin Marsh, near Forestville, eastern branch of the Upper Marsh. Comment
  UCD45333  Quercus X chasei Milo S. Baker 1946-8-17 11568 Sonoma (Q. agrifolia X Q. kelloggii). Near residence of Mr. Voit, about 1 1/2 miles (air line) west of town of Cunningham, Sonoma County, California. Comment
  CDA31362  Quercus X eplingii D. G. Kelch, Ed Biffin 2010-5-3 10 .206-B Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCD46050  Quercus X eplingii G. F. Hrusa; R. Gross 1999-6-12 15076 Sonoma Foote Ranch, corner of Ida Clayton Rd and Hwy 128, Knights Valley. Comment
  CAS-BOT-BC61631  Quercus agrifolia Lewis S. Rose 1960-9-14 60097 Sonoma Laguna de Santa Rosa 4 mi. ne. of Graton 15 Comment
  UC1135348  Quercus agrifolia R. W. Lundh 1932-7-19 122 Sonoma 1.5 mi nw Los Alamos School; Santa Rosa Quad. 579 Comment
  SEINET12028624  Quercus agrifolia W. Knight, Knight, I. 1981-1 3967 Sonoma 2.3mi up Cavedale Rd from jct of State Rt-12 Comment
  CDA23773  Quercus berberidifolia D. G. Kelch 2006-10-4 6 .499 Sonoma Along Cavedale Road about 5 KM E of Route 12. Comment
  UCD162812  Quercus berberidifolia D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2015-3-8 1684 Sonoma Hooker Creek watershed. 590 Comment
  CAS-BOT-BC86007  Quercus douglasii D. E. Breedlove 1980-6-27 44756 Sonoma Pepperwood Ranch W of Knights Valley Comment
  JEPS37397  Quercus douglasii W. H. Calhoun 1907-10-21 Sonoma Windsor Comment
  UCD60446  Quercus douglasii K. Aram 2007-10-1 s.n. Sonoma From SW bank of Lake Sonoma reservoir. Comment
  CAS-BOT-BC79564  Quercus dumosa Mary P. Wells 1984-5-9 s.n. Sonoma Annadel State Park (E of Santa Rosa) Comment
  SEINET12030394  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5103 Sonoma 2.65 mi up Cavedale Rd from Hwy 12 Comment
  CDA29269  Quercus garryana D. G. Kelch 2007-10-16 7 .645 Sonoma Novato. W 7th St on undeveloped hill. Comment
  UC1299699  Quercus garryana Freed W. Hoffman 1947-4-3 670 Sonoma Wild Hog Ridge North Coast Ranges Comment
  UC424818  Quercus garryana Milo S. Baker 1927-11-5 2503 b Sonoma 2-3 mi w Skagg's Springs Hwy. Comment
  RSA169311  Quercus garryana var. garryana L. S. Rose 1964-8-26 64066 Sonoma 6 miles NE of Penngrove. 366 Comment
  POM270134  Quercus garryana var. garryana Lyman Benson 1933-8-23 5687 Sonoma Mark West Springs, Hood's Peak Mt. Range. 305 Comment
  CAS-BOT-BC105477  Quercus kelloggii Walter Knight; Irja Knight 1963-9-1 150 Sonoma Pine Mt. Rd. NE of Cloverdale, Harold Smith Ranch Comment
  SEINET3144234  Quercus kelloggii Unknown 1952-9-20 2620 Sonoma Voight Ranch, ca. 1.25 mi (airline) SW of Cunningham, along a lane running E from the Voight farmhouse Comment
  UC1193242  Quercus lobata G. W. Tourtillott 1950-4-28 13 Sonoma 1 mi (off) Hale Ranch; Sulphur Creek 213 Comment
  SEINET12030240  Quercus lobata W. Knight, Knight, I. 1984-1 5159 Sonoma Joosb Ranch,Calistoga Road Comment
  SJSU10147  Quercus lobata A. W. Jacobs 1939-8-21 Sonoma Russian R near Hilton Comment
  UCD47144  Quercus parvula var. shrevei Willis L. Jepson 1893-9-23 s.n. Sonoma Mt. St. Helena. Napa River Basin. 914 Comment
Read comments
Jul 28 2008
  CAS-BOT-BC134862  Quercus wislizeni G. DeNevers 1981-9-5 1820 Sonoma Pepperwood Ranch. Across the creek from the Goat Pens Comment
  CAS-BOT-BC134865  Quercus wislizeni D. E. Breedlove 1980-6-27 44778 Sonoma Pepperwood Ranch W of Knights Valley 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
  UCR255731  Ranunculus aquatilis var. hispidulus Greg de Nevers 1998-4-28 11213 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD150854  Ranunculus arvensis Ayzik Solomescsh 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, north of city of Rohnert Park. East of Hwy 101 and south of Horn Ave. Elevation estimated from Google Earth by label maker. 30 Comment
  POM118705  Ranunculus californicus Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma. Comment
Read comments
Jan 23 2011
  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
  CAS-BOT-BC378679  Ranunculus californicus var. californicus Peter Rubtzoff 1957-5-4 3300 Sonoma Duncans Mills Marsh, border of the uper part of Marsh Comment
  UCD96235  Ranunculus muricatus Cynthia Hodges 1982-4-8 14 Sonoma directly off of Highway 128, 10 miles S of Healdsberg on Chalk Hill Road. 38 Comment
  SEINET7067254  Ranunculus occidentalis A. G. Vestal 1947-5-13 s.n. Sonoma About 0.6 miles north of Annapolis and towards Bushy Ridge. Coordinate datum: NAD27. Comment
  SEINET12093069  Ranunculus occidentalis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -175 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  RSA268383  Ranunculus occidentalis var. eisenii Lyman Benson 1935-3-31 6405 Sonoma Hwy 101, N Coast, Russian River. 244 Comment
  UC75661  Ranunculus orthorhynchus var. bloomeri Miss Emma Lobenstein 1896-1 Sonoma Valley Ford Comment
  RSA155471  Ranunculus orthorhynchus var. platyphyllus L. S. Rose 1962-6-1 62063 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  JEPS55134  Ranunculus pusillus Miss R. Kuhn 1913-4-16 Sonoma Sonoma Comment
  UCR242982  Ranunculus pusillus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  RSA94006  Ranunculus pusillus Peter Rubtzoff 1951-6-17 269 Sonoma Western branch of the Upper Marsh. Comment
  UCR179424  Rhagadiolus stellatus Caitlin Lewis, William Mutch 1993-4-17 s.n. Sonoma Sugarloaf Ridge State Park, c. 40 air mi N of San Francisco, 11 air mi east of Santa Rosa, and 2.5 mi NE of Kenwood. Adobe Canyon N of Sugarloaf Ridge and south of Red Mountain, near visitor center, along Sonoma Creek 366 Comment
  CAS-BOT-BC55943  Rhamnus crocea Walter Knight; Irja Knight 1963-9-1 142 Sonoma Pine Mt. Rd. - NE of Cloverdale Harold Smith Ranch Comment
  SEINET12211236  Rhamnus crocea W. Knight, Knight, I.; Edwards, S. T. 1988-1 6328 Sonoma South slope of Bradford Mt., NW of Healdsburg 762 Comment
  CAS-BOT-BC59447  Rhamnus ilicifolia Milo S. Baker 1927-11-5 2502 a Sonoma 2-3 mi. west of Skagg's along Hwy Comment
  UCD117871  Rhododendron columbianum J. M. Tucker 1958-5-24 3387 Sonoma Northwest end of Pitkin Marsh, ca. 1 1/4 miles east-southeast of Forestville. Comment
  CDA38870  Rhododendron columbianum T. C. Fuller 1958-5-24 3996 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  SEINET11996123  Rhododendron macrophyllum F. H. Utech 1988-1 88 -217 Sonoma Salt Point, along CA 1 between Tenner & Stewart's Point, mile marker 38.39 75 Comment
  SBBG50850  Rhododendron neoglandulosum M. Yeargan 1973-5-30 83 Sonoma 3 mi SE of town of Stewarts Point Comment
  CAS-BOT-BC229008  Rhododendron occidentale G. F. Hrusa 1989-6-7 7176 Sonoma Above Franz Valley School Rd. immed. W of Sonoma/Napa Co. line 259 Comment
  CLARK-A1528-5112  Rhododendron occidentale John C. Roos 1957-7-2 6645 Sonoma Miller Ridge Comment
  POM131866  Rhododendron occidentale Edward L. Greene 1894-6-17 s.n. Sonoma Mt. St. Helena. Comment
  CAS-BOT-BC200350  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-2 89 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  POM131901  Rhododendron occidentale var. occidentale A. A. Heller 1902-6-24 5749 Sonoma Near Burke's Sanitarium Comment
  RSA256986  Rhododendron occidentale var. occidentale Gary D. Wallace 1973-5-18 1201 Sonoma East of Santa Rosa on Guerneville Rd to .25 miles east of Jct. with Hwy 116, then north on Vine Hill Rd. to Pitkin Tree Farm. Comment
  CAS-BOT-BC111874  Rhynchospora alba John Thomas Howell; Milo S. Baker; Hans Leschke 1945-7-18 21325 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111883  Rhynchospora californica Peter Rubtzoff 1951-7-28 560 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  CHSC65438  Rhynchospora californica J. T. Howell 1945-7-18 21321 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC111898  Rhynchospora capitellata John Thomas Howell; J. W. Stacey 1936-7-26 12677 Sonoma Pitkin Marsh; 5 miles north of Sebastopol. Comment
  CAS-BOT-BC111900  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh Comment
  RSA74059  Rhynchospora capitellata J. T. Howell 1936-7-26 12677 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  UCD141235  Rhynchospora capitellata Peter Rubtzoff 1951-7-28 561 Sonoma Pitkin Marsh, near Forestville. Upper Marsh. Comment
  RSA94267  Rhynchospora capitellata Peter Rubtzoff 1951-7-1 325 Sonoma Margin of Creek at Hwy 12, SE of Forestville Comment
  SEINET4178848 Image available Rhynchospora globularis Unknown 1946-7-4 12882 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UCD141236  Rhynchospora globularis John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh. Comment
  UC963928  Rhynchospora globularis var. globularis Milo S. Baker 1947-6-26 11840 Sonoma ca. 1 mi. (air line) s.w. Cunningham Station (Cunningham Marsh); Cunningham Marsh Comment
  CAS-BOT-BC93055  Ribes californicum var. californicum A. A. Heller 1903-4-24 6613 Sonoma Woods near Cazadero. Comment
  CAS-BOT-BC93058  Ribes californicum var. californicum Elmer I. Applegate 1932-3-19 7018 Sonoma West of Cloverdale. Comment
  CAS-BOT-BC368078  Ribes divaricatum Greg de Nevers 1998-4-27 11204 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  CAS-BOT-BC368086  Ribes divaricatum Greg de Nevers 1998-3-20 11219 Sonoma Cresta Ranch, Mark West Creek Comment
  RSA0057959  Ribes divaricatum Greg de Nevers 1998-4-27 11204 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  CAS-BOT-BC168996  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1962-4-11 4786 Sonoma Laguna de Santa Rosa east of Cunningham, near Llamo Road Comment
  RSA0025036  Ribes divaricatum var. pubiflorum L. S. Rose 1962-4-11 62018 Sonoma Laguna de Santa Rosa. 0.5 mile E of Cunningham. 15 Comment
  CAS-BOT-BC212924  Ribes menziesii F. H. Utech; W. & I. Knight 1984-4-17 84 -157 Sonoma 5 miles east of Bridgehaven on Willow Creek Road 144 Comment
  SEINET12216688  Ribes menziesii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -157 Sonoma ca 5 mi E of Bridgehaven on Willow Creek Road 145 Comment
  UC75476  Ribes roezlii var. cruentum Milo S. Baker 1899-2-22 755 Sonoma near summit Mt. Hood Comment
  CAS-BOT-BC74703  Rorippa curvisiliqua Peter Rubtzoff 1961-5-24 4600 Sonoma Upper Stemple Creek Marsh. Comment
  CAS-BOT-BC74721  Rorippa curvisiliqua John Thomas Howell 1947-6-26 23303 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC376306  Rorippa sinuata Greg de Nevers 1992-5-13 10148 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Turtle Pond. 400 Comment
  CAS-BOT-BC152659  Rosa californica Peter Rubtzoff 1951-7-7 363 Sonoma Western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC152661  Rosa californica Peter Rubtzoff 1951-6-16 210 Sonoma Northern half of Lower Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC251220  Rosa canina Peter Rubtzoff 1976-5-30 8565 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC146778  Rosa gymnocarpa Peter Rubtzoff 1957-5-4 3315 Sonoma Duncans Mills Marsh area Comment
  SDSU9226  Rosa gymnocarpa D. F. Howe 1963-7-2 3576 Sonoma 3.5 miles E of Guerneville on #12 . 30 Comment
  UCD166417  Rubus Peter Rubtzoff 1964-6-3 5346 Sonoma Bodega Bay Marsh. Comment
  RSA800080  Rubus laciniatus Peter Rubtzoff 1954-7-28 1591 Sonoma Guerneville Marsh. Northwestern end of marsh. Comment
  SBBG3105  Rubus parviflorus N. F. Sommer 1954-5-15 76 Sonoma St Hwy 12, park at N edge of Occidental 30 Comment
  UCD166411  Rubus ursinus Peter Rubtzoff 1958-5-3 3613 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC173539  Rumex Peter Rubtzoff 1964-7-29 5452 Sonoma Bodega Bay Marsh. Comment
  UCD166089  Rumex Peter Rubtzoff 1971-6-29 6579 Sonoma Pitkin Marsh, Area 27. Comment
  UCR178427  Rumex acetosella Frederica Bowcutt 1994-5-21 1827 Sonoma Sugarloaf Ridge State Park, c. 40 air mi N of San Francisco and c. 11 air mi east of Santa Rosa; c. 2.5 air mi NE of Kenwood; c. 18 air mi NW of Napa. Meadow trail and Gray Pine (Digger Pine) trail, 1 mile from trailhead 396 Comment
  CAS-BOT-BC422230  Rumex acetosella A. A. Heller 1902-6-7 5655 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC421581  Rumex crassus Walter Knight; Irja Knight 1963-8-13 179 Sonoma Horseshoe Cove Comment
  UCD101117  Rumex crassus Mary M. Hektner 1976-8-26 264 Sonoma Walk-on-Beach, Sea Ranch, near Sate Highway 1, Unit 24 Owner's Map. Comment
  CAS-BOT-BC164667  Rumex crispus Peter Rubtzoff 1954-6-6 1465 Sonoma Guerneville Marsh. Comment
  RSA783835  Rumex fueginus Peter Rubtzoff 1963-10-5 5286 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  CAS-BOT-BC166928  Rumex obtusifolius Peter Rubtzoff 1954-6-7 1480 Sonoma Guerneville Marsh. Comment
  UCD101469  Rumex pulcher M. Wiesendanger 1927-5-5 708 Sonoma location unknown. Comment
  UCD55250  Rytidosperma penicillatum Beecher Crampton 1957-7-22 4392 Sonoma along State Hwy. 1, 11.7 miles south Stewart's Point. Comment
  CAS-BOT-BC239854  Rytidosperma penicillatum Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch Comment
  CAS-BOT-BC320532  Sagina Peter Rubtzoff; Nancy Harrison 1978-6-11 9214 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley. Comment
  CAS-BOT-BC320558  Sagina Peter Rubtzoff 1974-5-18 7408 Sonoma Todd Road 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UCD98454  Sagina procumbens J. Buell Laing 1928-10-1 s.n. Sonoma Santa Rosa Country Club. Comment
  CAS-BOT-BC445688  Sagittaria cuneata Peter Rubtzoff 1955-10-12 2167 Sonoma East Guernewood, near Guerneville. Comment
  CAS-BOT-BC445693  Sagittaria cuneata Peter Rubtzoff 1961-7-22 4666 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC135955  Salix alba subsp. vitellina Walter Knight; Irja Knight 1987-3-16 6010 Sonoma Corner Adobe Rd. & Stage Gulch Rd. Comment
  RSA534607  Salix bonplandiana Peter Rubtzoff 1960-5-29 4421 Sonoma Laguna de Santa Rosa near Trenton (S of Woodsey Road). Comment
  JEPS83009  Salix breweri Roger Raiche 1984-4-21 40112 Sonoma about 6 mi n Cazadero (headwaters of creek); Big Austin Creek, The Cedars 152 Comment
  CAS-BOT-BC103945  Salix exigua Peter Rubtzoff 1969-8-29 6179 Sonoma Pond ca. 3 mi. west of Fulton on River Road Comment
  CDA42345  Salix exigua D. G. Kelch 2012-5-2 12 .066 Sonoma Dry Creek Valley; near Preston Organic Winery along tributary of Dry Creek. Comment
  CAS-BOT-BC103843  Salix exigua subsp. melanopsis Peter Rubtzoff 1970-9-2 6367 Sonoma Russian River bottom at Mirabel Park Comment
  UC453086  Salix exigua var. hindsiana W. A. Setchell 1931-7-25 7 Sonoma Russian R. at Bohemian Grove (near Monte Rio) 213 Comment
  CAS-BOT-BC107800  Salix hindsiana Ball; Bracelin; Parks 1931-4-21 38 Sonoma Mayacama Creek, 25 km. northwest of Calistoga, in ravine above creek Comment
  UC482325  Salix lasiandra subsp. lasiandra C. R. Ball and H. E. Parks 1931-2-17 21 Sonoma 1 mi. s. Santa Rosa (Santa Rosa Creek); Santa Rosa Creek Comment
  UC453093  Salix lasiolepis W. A. Setchell 1931-7-25 12 Sonoma Bohemian Grove Russian River (lower bank of river, near Monte Rio) Comment
  UC453102  Salix lasiolepis W. A. Setchell 1931-7-31 19 Sonoma Bodega Bay Comment
  UC505684  Salix lasiolepis C. R. and B. S. Ball 1933-5-30 2511 Sonoma Bodega Bay; at base of bluff below road Comment
  RSA94337  Salix lasiolepis Peter Rubtzoff 1951-11-24 845 Sonoma S of the Upper Marsh. Comment
  CAS-BOT-BC107345  Salix lasiolepis var. bigelovii C. R. Ball; B. S. Ball 1933-5-6 2502 Sonoma 4 miles SW of Calistoga, on road to Petrified Forest, and just over Napa County line Comment
  CAS-BOT-BC128316  Salix lasiolepis var. lasiolepis Peter Rubtzoff 1951-11-24 845 Sonoma A marshy opening south of the Upper Marsh Comment
  RSA534485  Salix lasiolepis var. lasiolepis Peter Rubtzoff 1987-9-12 9849 Sonoma Russian River at Forest Hills. 5.5 miles E of Guerneville. Comment
  RSA534486  Salix lucida subsp. lasiandra Peter Rubtzoff, T. J. Crovello 1964-9-3 5496 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC125697  Salix melanopsis W. A. Setchell 1931-8-1 s.n. Sonoma Bohemian Grove, near Monte Rio, in gravelly bed of Russian River Comment
  SBBG57920  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Russian River, Bohemian Grove, near Monte Rio Comment
  UC490559  Salix melanopsis Joseph P. Tracy 1932-5-8 9898 Sonoma Geyserville Northern Coast Ranges, Geyserville Comment
  CAS-BOT-BC126181  Salix scouleriana Peter Rubtzoff 1962-6-13 4908 Sonoma Freestone Marsh Comment
  CAS-BOT-BC126199  Salix scouleriana Peter Rubtzoff 1951-8-18 627 Sonoma Western branch of the Upper Marsh Comment
  POM219077  Salix scouleriana Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 342 Sonoma 2 km E of Occidental on Occidental Grade. Comment
  SBBG27421  Salix scouleriana Baker, C. R. Ball, H. Bracelin, Crum 1931-5-9 342 Sonoma 2 km E of Occidental, on Occidental grade Comment
  UC498690  Salix scouleriana Ynes Mexia 1933-2-18 Sonoma 4 mi. s. Camp Meeker Comment
  UC511619  Salix scouleriana W. A. Setchell 1933-7-9 1 Sonoma well away from Russian R. Bohemian Grove; Monte Rio Comment
  CAS-BOT-BC128912  Salix sitchensis A. A. Heller 1902-3-12 5044 Sonoma Sonoma Creek, foot of Mt. Hood Comment
  SJSU218  Salix sitchensis Baker, Ball, Bracelin & Crum 1931-5-9 344 Sonoma c. 2 km E of Bodega Bay Comment
  UC453110  Salix sitchensis W. A. Setchell 1931-8-1 24 Sonoma 1 1/2 mi. in from Jenner-by-the-Sea (near Ferry Camp) Comment
  UC482066  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 344 Sonoma 2 km. e. Bodega Bay Comment
  SEINET10424546  Salix sitchensis A. A. Heller 1902-1 5044 Sonoma Sonoma Creek, foot of Mount Hood. Comment
  UCSB10843  Salix sitchensis Baker, Milo; Ball, Carleton; Bracelin, H. 1931-5-9 Sonoma About 2 km. east of Bodega Bay, Sonoma County Comment
  CAS-BOT-BC376260  Salpichroa origanifolia Greg de Nevers 1991-5-14 9749 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. At Ward House 475 Comment
  UCD99303  Salsola soda P. G. Connors 1994-9-23 333 Sonoma Bodega Head and Dunes. Comment
  CAS-BOT-BC366941  Salvia columbariae Greg de Nevers 1993-5-30 10466 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa along Piney Canyon Rd. from Bald Hills 400 Comment
  UCD125322  Salvia columbariae Frederica Bowcutt 1996-5-24 2167 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road W of kiosk. Comment
  CAS-BOT-BC221104  Salvia sonomensis Milo S. Baker 1927-4-10 2060 a Sonoma Macartney Hill Comment
  CAS-BOT-BC225219  Salvia sonomensis Peter H. Raven 1954-2-27 6429 Sonoma Mountainside on north side of Hooker Creek, Hoods Peak Range 609 Comment
  POM126746  Salvia spathacea M. S. Baker 1904-05 s.n. Sonoma Hills south of Ocean View. Comment
  UCSB15938  Sambucus nigra subsp. caerulea 1962-6-6 Sonoma Along State Highway 128, 0.9 mile northwest of U.S. Highway 101 at Cloverdale 106 Comment
  UC1057437  Sanicula arctopoides G. Thomas Robbins 1937-3-26 22 Sonoma near Bodega Bay Comment
  CAS-BOT-BC223343  Sanicula bipinnatifida Alice Eastwood 1921-5-8 10438 Sonoma Petaluma Comment
  POM82758  Sanicula crassicaulis Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  UC1022562  Sanicula crassicaulis C. Ritchie Bell 1952-3-19 3 X354 Sonoma se of Bodgea Bay (Larkspur Rock); Larkspur Rock Comment
  UC923166  Sanicula laciniata Freed W. Hoffman 1950-5-24 3281 Sonoma North Coast Ranges, The Island, Devil Creek, a tributary of East Austin Creek Devil Creek; North Coast Ranges, The Island, Devil Creek Comment
  CDA10851  Sanicula tuberosa G. F. Hrusa, G. L. Stebbins 1994-4-8 11727 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  RSA799992  Saponaria Peter Rubtzoff 1965-9-5 5634 Sonoma Forest Hills, 5.5 mi east of Guerneville, along Russian River. Comment
  UCR244592  Saponaria officinalis Peter Rubtzoff 1967-8-18 5849 Sonoma Banks of Russian River, 6 mi east of Guerneville 18 Comment
  UC635130  Saxifraga integrifolia H. L. Mason 1931-3-7 5808 Sonoma 12 mi w of Santa Rosa (Vine Hill School); Vine Hill School Comment
  UC73121  Saxifraga mertensiana Milo S. Baker 1898-4-6 762 Sonoma near Nobles (Gualala River); Gualala River Comment
  CAS-BOT-BC436885  Saxifraga mertensiana Milo S. Baker 1924-4-16 69 a Sonoma McDonald to Sea Highway Comment
  CAS-BOT-BC441181  Saxifraga mertensiana R. Bacigalupi 1948-3-6 2854 Sonoma One mile west of Skaggs Springs, on cliff Comment
  UC21366  Scandix pecten-veneris Michener and Bioletti May 1892 Sonoma Shellville Comment
  CAS-BOT-BC283147  Schedonorus arundinaceus David L. Morgan 1956-5-13 s.n. Sonoma 1/2 mile west of Lakeville on Stage Gulch Road Comment
  RSA0022394  Schedonorus arundinaceus Peter Rubtzoff 1962-5-25 4838 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna road. 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
  SD134081  Schoenoplectus californicus Peter Rubtzoff 1962-8-3 5030 Sonoma Lower Salmon Creek Marsh, in open wet mud, formerly under water. Comment
  SD134064  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, just north of its junction with Highway 128. In shallow water along marshy margin of pond. Comment
  CAS-BOT-BC111796  Schoenoplectus pungens var. badius Marcus Eugene Jones 1882-7-18 3526 Sonoma Duncan's Mills Comment
  CAS-BOT-BC111803  Schoenoplectus pungens var. badius Ella D. Cantelow 1941-4-14 3638 Sonoma Near mouth of Salmon Creek near the Pacific Ocean. Comment
  CAS-BOT-BC111837  Schoenoplectus tabernaemontani Peter Rubtzoff 1962-9-16 5086 Sonoma Vacation Beach, 2 mi below Guerneville. Open, moist ground on Russian River bottom. 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
  CAS-BOT-BC111105  Scirpus microcarpus Peter Rubtzoff 1951-6-10 207 Sonoma A marshy opening south of the Upper Marsh Comment
  CAS-BOT-BC240033  Scribneria bolanderi Catherine Best 1985-4-5 1068 Sonoma Stoetz Lane about 3 miles northeast of Occidental Comment
  UCD92507  Scribneria bolanderi Beecher Crampton 1959-6-16 5384 Sonoma 1 mile east of Occidental. Comment
  RSA0056562  Scrophularia Greg de Nevers 1995-12-3 10777 Sonoma Ida Clayton Road over Mt. St. Helena, 3 miles north of Highway 128. 182 Comment
  CAS-BOT-BC320535  Scrophularia californica Peter Rubtzoff 1958-8-23 3913 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UCR249330  Scrophularia californica Peter Rubtzoff 1954-8-11 1690 Sonoma Guerneville Marsh Comment
  UCR249344  Scrophularia californica Peter Rubtzoff 1958-8-23 3913 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  UC112913  Scutellaria californica Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  UC478878  Scutellaria californica Marcus E. Jones, A. M. 1931-7-5 28823 Sonoma w of Cloverdale Comment
  RSA0074864  Sedum radiatum subsp. radiatum A. A. Heller 1902-6-28 5789 Sonoma Between Knight's Valley and Mark West Springs. Comment
  CAS-BOT-BC63941  Sedum spathulifolium J. F. Emmel 1970-5-10 274 Sonoma .3 air mile E of confluence of Rancheria Creek and Warm Springs Creek on Stewarts Pt. Skaggs Springs Road. 144 Comment
  JEPS19066  Selaginella wallacei A. A. Heller 1902-3-10 5024 Sonoma hills 2 mi e Santa Rosa Comment
  UC480625  Senecio aronicoides Carl Meyer 1928-3-3 308 Sonoma Santa Rosa Comment
  UCR279645  Senecio glomeratus Peter Rubtzoff 1954-8-3 1636 Sonoma Lower Salmon Creek Marsh 6 Comment
  JEPS37084  Senecio minimus W. L. Jepson 1931-7-19 15954 Sonoma between Russian River mouth and Occidental Comment
  UCD135625  Senecio minimus Mary M. Hektner; Cathy Hendel 1974-7-26 179 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  CAS-BOT-BC80322  Sequoia sempervirens Elsa G. Ruckert 1960-3-12 17 Sonoma 2 1/2 miles up [Triniti] Trinity Road north, from Highway 12 243 Comment
  UC254  Sequoia sempervirens M. Louise Douglass 1898-4-19 Sonoma Glen Ellen Comment
  SEINET10569493  Sequoia sempervirens R. D. Sage 1992-1-10 Sage 13413 Sonoma Collected along Joy Rd between Bodega Hwy and Bittner Rd, ca 2-6 km SW of Occidental. Comment
  CAS-BOT-BC240151  Setaria pumila David L. Morgan 1958-8-6 s.n. Sonoma Highway 101, Sonoma-Marin County Line Comment
  UCR255867  Setaria pumila Greg de Nevers 1996-9-22 10877 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC240278  Setaria viridis G. DeNevers 1981-6-20 1620 Sonoma Pepperwood Ranch. In Mark West Creek Comment
  CAS-BOT-BC290630  Sidalcea Peter Rubtzoff 1976-5-30 8578 Sonoma East side of Highway 12, ca. 0.75 mi. south of Kenwood (0.9 miles south of Warm Springs Road junction). Comment
  CAS-BOT-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
  JEPS50082  Sidalcea diploscypha D. Patchett 1917-5-15 Sonoma Edenrille Ranch Comment
  RSA87994  Sidalcea malviflora C. L. Hitchcock 1952-6-4 19586 Sonoma 8 miles N. of Ft Ross. Comment
  JEPS67240  Sidalcea malviflora subsp. laciniata W. L. Jepson 1921-5-6 9192 Sonoma Sonoma Valley Comment
  SEINET7042576  Sidalcea malviflora subsp. laciniata A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  RSA178041  Sidalcea malviflora subsp. malviflora Robert F. Thorne 1965-4-21 34424 Sonoma 3 miles S. of Petaluma, just N. of Marin County line. 15 Comment
  JEPS97951  Sidalcea oregana subsp. valida K. Andreasen 1998-8-13 286 Sonoma Kenwood Marsh; W side of Hwy 12, S side of old railroad embankment, ca. 30 m N of man-made pond Comment
  UCR249911A  Sidalcea oregana subsp. valida Peter Rubtzoff 1979-7-15 9292 Sonoma Knights Valley, south side of Bavarian Lion Company ranch road, 1.25-1.5 miles west of its junction with Franz Valley Road 152 Comment
  CAS-BOT-BC320544  Silene Peter Rubtzoff 1974-5-25 7456 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC361292  Silene Greg de Nevers 1993-5-16 10449 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Devil's Kitchen east of 3865 Franz Valley Road 457 Comment
  JEPS50892  Silene californica M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 235 Sonoma near Guerneville; Russian River, near Guerneville Comment
  UC1137921  Silene californica H. S. Yates 1934-4-22 3863 Sonoma near Petrified Forest; Calistoga Quad., near Petrified Forest Comment
  CAS-BOT-BC384437  Silene coronaria Peter Rubtzoff 1954-6-19 1498 Sonoma East Guernewood, near Guerneville Comment
  UC1137860  Silene gallica H. S. Yates 1934-4-22 3856 Sonoma 2 mi s Mark West; Calistoga Quad., s of Mark West Comment
  UC1300952  Silene gallica Helen K. Sharsmith 1963-5-25 5478 Sonoma on road from Freestone to Occidental; San Francisco Bay Region, rd fr Freestone to Occidental 121 Comment
  CAS-BOT-BC392490  Silene gallica John H. Thomas 1976-6-16 18334 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  RSA41908  Silene gallica H. C. Cantelow 1936-5-3 1244 Sonoma 3 miles S of El Verano. Comment
  UCD98639  Silene gallica Valerie Bullock; Erik Beever 1993-5-8 241 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Ponygate Trail on path next to meadow. 365 Comment
  CAS-BOT-BC389223  Silene laciniata subsp. californica A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero Comment
  SD38223  Silybum marianum Edith A. Purer 1932-7-24 Sonoma Near Bodega Bay Comment
  SEINET12049793  Sisyrinchium bellum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -170 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 450 Comment
  SEINET12050589  Sisyrinchium bellum F. H. Utech 1988-1 88 -190 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 Comment
  SEINET12051395  Sisyrinchium bellum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -260 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UC429242  Smilacina racemosa H. P. Chandler 1907-4-21 7529 Sonoma road fr. Glen Ellen to Oakville Comment
  CAS-BOT-BC164064  Solanum Peter Rubtzoff 1960-6-25 4521 Sonoma Laguna de Santa Rosa, east of Graton (between Occidental and Guerneville Roads). Comment
  CAS-BOT-BC164408  Solanum Peter Rubtzoff 1959-9-19 4278 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC164411  Solanum Peter Rubtzoff 1962-7-14 4991 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC164701  Solanum Peter Rubtzoff 1953-11-1 1433 Sonoma Vacation Beach, near Guerneville. Comment
  UCD167434  Solanum Peter Rubtzoff 1958-9-20 3998 Sonoma Laguna de Santa Rosa NE of Graton (0.5 mi. N Guerneville Rd). Comment
  RSA227219  Solanum americanum Peter Rubtzoff 1963-10-5 5287 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  CAS-BOT-BC157977  Solanum lycopersicum Peter Rubtzoff 1958-8-9 3838 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road) Comment
  CAS-BOT-BC83501  Solanum lycopersicum G. DeNevers 1992-10-15 10250 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd. 304 Comment
  UC473574  Solidago spathulata John Thomas Howell 1931-9-26 8095 Sonoma 7 mi n Fort Ross Comment
  OBI76737  Solidago velutina G. S. Ringius 1982-8-7 1495 Sonoma 8 km N of Bodega on Hwy 1 Comment
  CDA8805  Soliva sessilis G. D. Barbe 1982-5-27 3618 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Scaggs Spring Road. Comment
  RSA788955  Sonchus asper subsp. asper Peter Rubtzoff 1960-5-18 4391 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC374744  Sonchus oleraceus D. E. Breedlove 1983-5-9 58696 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC251284  Spergularia Peter Rubtzoff 1958-9-28 4020 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  RSA0022382  Spergularia Peter Rubtzoff 1971-7-9 6597 Sonoma 5 miles north of Sears Point. Comment
  UCD99212  Spergularia macrotheca Michael Fleschner 1965-5-1 8 - Sonoma University Marine Laboratory, Horsehoe Cove, Bodega Head. Comment
  CAS-BOT-BC390973  Spergularia marina Alice Eastwood 1921-5-8 10453 Sonoma Petaluma Comment
  RSA0022423  Spergularia rubra Peter Rubtzoff 1969-8-14 6130 Sonoma Along Salmon Creek, ca. 0.5 mi upstream from Hwy #1. Comment
  SEINET11933746  Spergularia rubra W. Knight, Knight, I. 1984-1 5150 Sonoma along Petalnona Blvd. , S North Side between B and C streets 5 Comment
  UC55669  Spirodela polyrhiza J. Burtt Davy 1896-7-22 4143 Sonoma Russian River Comment
  RSA800145  Stachys Peter Rubtzoff 1977-9-3 9124 Sonoma Perry Marsh. Comment
  CAS-BOT-BC502056  Stachys Peter Rubtzoff 1965-10-10 5658 Sonoma Bodega Head Marsh Comment
  JEPS87220  Stachys ajugoides Jack and Betty Guggolz 1992-6-22 1320 Sonoma cattle pasture se Knowles Corner 36 Comment
  UCLA70882  Stachys ajugoides var. rigida C. Epling, Wm. Robison 1935-7-27 Sonoma Shellville Comment
  POM252831  Stachys emersonii A. A. Heller 1938-5-14 s.n. Sonoma Just east of Bodega Bay. Comment
  SEINET9361053  Stachys rigida var. quercetorum John Nelson, Wnek, Richard 2000-3-7 21352 Sonoma Guerneville Comment
  CAS-BOT-BC361391  Stachys stricta Greg de Nevers 1993-8-8 10487 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa at Upper Skovie Spring (below Rd. T) 400 Comment
  CAS-BOT-BC320563  Stellaria Peter Rubtzoff 1970-10-29 6418 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  SD192872  Stellaria littoralis John A. Churchill 1974-5-2 7442756 Sonoma Off Route 1 ca. 1.0 mile north of town. Bodego Bay. Comment
  CAS-BOT-BC397769  Stellaria media G. DeNevers 1981-4-2 614 Sonoma Pepperwood Ranch; Along Studio Road at the Mesa. Comment
  CAS-BOT-BC405137  Stellaria nitens G. DeNevers 1982-2-21 1913 Sonoma Hill side above first serpentine road cut, end of canyon. Pine Flat Road. Blm. Comment
  UCR142044  Stipa lepida Beecher Crampton 1955-6-17 2966 Sonoma North Coast, 1.5 miles east of Fort Ross 366 Comment
  NY431572  Stipa pulchra A. A. Heller 1902-4-9 5252 Sonoma 3 miles south of Healdsburg Comment
  OBI35891  Stipa pulchra David J. Keil 1983-6-29 17205 Sonoma Ca. 10 mi SE of Ft. Ross along Hwy 1 Comment
  JEPS27964  Streptanthus barbiger Rimo Bacigalupi and L. Heckard 1961-6-9 7742 Sonoma ca. 3/4 mi. n.w. Occidental School (along Stoetz Lane, ca. 1/2 mi. n.w. of its junction with Harrison Grade rd.) 228 Comment
  RSA339382  Streptanthus barbiger Roger Raiche 1984-6-10 40212 Sonoma 8.6 miles west on Hot Springs Road from its origin at US Hwy 101 near Cloverdale, across Dry Creek 198 Comment
  UC956503  Streptanthus barbiger Freed W. Hoffman 1948-6-17 2345 Sonoma tributary of East Austin Creek North Coast Ranges, Gilliam Creek Comment
  UCR71159  Streptanthus brachiatus subsp. brachiatus L. F. LaPre 1985-6-25 s.n. Sonoma Vicinity of Socrates Mine, west of Pine Flats Road. Comment
  SEINET10815406 Image available Streptanthus glandulosus Fred W. Hoffman 1948-6-8 Hoffman 2323 Sonoma Great Eastern Quicksilver Mine near Guerneville, Sonoma County Comment
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May 8 2018
  CAS-BOT-BC87233  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-19 6436 Sonoma Spring Mountain Road, 7.5 miles west of Saint Helena. Comment
  UC985963 Image available Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-8 2323 Sonoma near Guerneville (Great Eastern Quicksilver Mine); North Coast Ranges; Great Eastern Quicksilver Mine, near Guerneville, Sonoma Co. Comment
  CAS-BOT-BC87297  Streptanthus glandulosus subsp. sonomensis John Thomas Howell 1937-7-4 13077 Sonoma Near Petrified Forest. Comment
  JEPS82241  Streptanthus morrisonii Roger Raiche 1983-8-6 30581 Sonoma headwaters Austin Creek (The Cedars); , Austin Creek 182 Comment
  UCD167449  Streptanthus morrisonii James Neilson 1983-6-13 4096 Sonoma wind ridge upper East Austin Creek. East side of the Cedars. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1601622  Streptanthus tortuosus Milo S. Baker 1940-7-15 9781 Sonoma cliffs Hood's Peak Comment
  UC10916  Streptanthus tortuosus var. suffrutescens F. T. Bioletti 1893-6-1 Sonoma Hood's Peak Comment
  CAS-BOT-BC258005  Symphoricarpos Peter Rubtzoff 1966-6-5 5754 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  UCD166222  Symphoricarpos Peter Rubtzoff 1970-6-14 6259 Sonoma Marsh on River Road, about 3 miles west of Fulton. Comment
  CAS-BOT-BC540809  Symphoricarpos Peter Rubtzoff 1958-7-19 3760 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC540813  Symphoricarpos Peter Rubtzoff 1970-6-14 6259 Sonoma Marsh on River Road, about 3 miles west of Fulton. Comment
  UC1010374  Symphoricarpos mollis Milo S. Baker Jun 1928 3168 b Sonoma e side Los Guilicos Valley (road to Youngman's) Comment
  RSA428904  Symphoricarpos mollis E. S. Spalding 1929-7-5 s.n. Sonoma Near St. Helena. Comment
  CAS-BOT-BC97818  Symphyotrichum chilense Peter Rubtzoff 1951-9-15 763 Sonoma open ground bordering the central part of the Pitkin Marsh Comment
  CAS-BOT-BC97826  Symphyotrichum chilense J. W. Congdon 1880-9-12 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC97829  Symphyotrichum chilense L. R. Abrams 1907-8-1 s.n. Sonoma Sebastopol Comment
  UCD136523  Symphyotrichum chilense Mary M. Hektner; Cathy Hendel 1974-7-20 155 Sonoma roadside at junction of Whalebone Reach and State Highway 1, Sea Ranch, Unit 28 Owners' Map. Comment
  CAS-BOT-BC221966  Taeniatherum caput-medusae G. DeNevers; M. Harding 1981-7-11 1755 Sonoma Pepperwood Ranch. Above Skovie Comment
  UCD144431  Taeniatherum caput-medusae Frederica Bowcutt 1994-6-12 1843 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. ca. 20 ft.Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  SEINET10575096  Tamarix parviflora John F. Gaskin 1998-7-2 Gaskin 78 Sonoma Hyde and Pearson Road, E 150 yds to corner. Comment
  CAS-BOT-BC376985  Taraxacum officinale Greg de Nevers 1981-4-1 s.n. Sonoma Pepperwood Ranch Comment
  CDA3893  Teesdalia coronopifolia G. D. Barbe, Chas F. Quibell 1977-4-22 2253 a Sonoma Southwest of intersection of Fulton and Piner Roads, northwest of Santa Rosa. 0 Comment
  RSA786864  Teesdalia coronopifolia Carrie A. Herd 1982-3-16 236 Sonoma Santa Rosa, S.W. corner of Fulton & Piner Roads Comment
  UC570922  Tellima grandiflora H. L. Mason Jun 1930 5666 Sonoma mouth of Gualala River Comment
  CAS-BOT-BC399887  Thalictrum polycarpum Greg de Nevers 1996-4-21 10796 A Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC66808  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10935 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66822  Thysanocarpus curvipes David D. Keck 1931-4-4 1099 Sonoma Santa Rosa Creek Canyon. 225 Comment
  CAS-BOT-BC66805  Thysanocarpus curvipes John Thomas Howell 1931-4-4 6177 Sonoma Santa Rosa Canyon. Comment
  CHSC22759  Thysanocarpus curvipes var. elegans Robert A. Schlising 1962-3-31 2125 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  CAS-BOT-BC447597  Tiarella trifoliata subsp. unifoliata M. Thomas 1877-6-14 s.n. Sonoma Guerneville Comment
  POM192688  Tiarella trifoliata var. unifoliata H. P. Bracelin 1930-7-27 21 Sonoma One mile N. of Fort Ross. Comment
  UC764989  Tiarella trifoliata var. unifoliata R. F. Hoover 1941-5-14 5074 Sonoma on road to Camp Meeker 3 mi s Monte Rio Comment
  UCSB11518  Tiarella trifoliata var. unifoliata Dearing, Hugh; Dearing, Margaret 1939-5-15 Sonoma north of Fort Ross Comment
  SD130530  Tonella tenella F. Almeda, G. DeNevers 1981-3-30 4894 Sonoma Streambank in vicinity of the Redwood Canyon, Pepperwood Ranch Comment
  SD131965  Tonella tenella Harry K. Roberts 1968-4-6 Sonoma North side of Mt. Jackson, 1I(c) air-line miles n.ne. of Rio Nido, on road to lookout, ca. 1 mile n.e. of Sonoma Mercury Mine 320 Comment
  HSC101444  Torreya californica Richard Spjut, Peter Baye 2010-6-21 16713 Sonoma Fuller Creek near jct. with High-Low Rd. and South Brach Rd., east of Annapolis Rd 91 Comment
  JEPS48379  Torreya californica Miss Alice Louise Griffin Sonoma Stewart's Point Comment
  SBBG34159  Torreya californica L. M. Srivastava 1957-11-1 22 Sonoma Hwy 1, ca. 100 yards S of Fort Ross 30 Comment
  UCD112403  Toxicoscordion Christopher Mallek 2008-5-2 HC1- 1 Sonoma Hooker Canyon. 590 Comment
  UCD139866  Toxicoscordion fremontii L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  CAS-BOT-BC371438  Trichostema lanceolatum Greg de Nevers 1997-8-17 11077 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  SD58366  Trichostema laxum Harry K. Roberts 1961-6-20 Sonoma Roadside and open areas at summit of Harrison Grade, north and east of Occidental. Comment
  UC157931  Trichostema laxum Milo S. Baker 1898-6-12 675 Sonoma Geyser Canyon Comment
  UCD125571  Trichostema laxum D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. Open cypress forests (Cupressus sargentii) in serpentine and andesitic rocks. 800 Comment
  SEINET7972629  Trichostema laxum M. J. Williams, W. Roderick 1978-7-18 78- 228 -2 Sonoma Near Occidental. Comment
  CAS-BOT-BC166758  Trifolium Peter Rubtzoff 1974-4-17 7375 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173570  Trifolium Peter Rubtzoff 1974-4-17 7373 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173641  Trifolium Peter Rubtzoff; Nancy Harrison 1974-5-26 7476 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley 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
  RSA784984  Trifolium Peter Rubtzoff 1972-6-23 6786 Sonoma Atascadero Creek Marsh. Comment
  RSA784991  Trifolium Peter Rubtzoff 1974-5-18 7427 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA784997  Trifolium Peter Rubtzoff 1974-5-26 7496 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UC80541  Trifolium albopurpureum var. dichotomum Alice Eastwood 1900-4-7 Sonoma Altruria Comment
  UCSC008686  Trifolium amoenum Randall Morgan 2014-1 Sonoma Comment
  UCSC010694  Trifolium amoenum R. Morgan 1999-1 Sonoma Comment
  UCSC011040  Trifolium appendiculatum R. Morgan 2005-5-14 4423 A Sonoma Seed originally from one or two plants in Santa Rosa Comment
  UCSC011163  Trifolium appendiculatum R. Morgan 2005-5-14 4423 D Sonoma Seed originally from one or two plants in Santa Rosa. Comment
  JEPS83493  Trifolium barbigerum var. andrewsii Jack and Betty Guggolz 1986-4-1 862 Sonoma ne Shilo Rd-Hwy 101 intersection (sw corner of a field) Comment
  UCR255743  Trifolium bifidum var. bifidum Greg de Nevers 1997-4-16 10940 Sonoma North Coast Range, Cavedale Road 152 Comment
  UC165624  Trifolium bifidum var. decipiens Milo S. Baker 1898-5-7 641 Sonoma Glenn Ellen Comment
  HSC15107  Trifolium breweri James Faro 1962-4-18 26 Sonoma About 5 mi. N of Geurneville on the Old Cazadero Rd. Comment
  UC631218  Trifolium depauperatum var. amplectens P. B. Kennedy 1915-5-28 Sonoma Del Mar Comment
  JEPS65732  Trifolium depauperatum var. truncatum Milo S. Baker 1934-3-27 7583 Sonoma near vernal pool (Bennett Valley) Comment
  UCD33226  Trifolium dichotomum Beecher Crampton 1967-5-15 7927 Sonoma Lytton. Comment
  CDA36841  Trifolium dubium CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCD108821  Trifolium dubium Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 106 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owner's Map. Comment
  UCD150142  Trifolium gracilentum Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1. 43 Comment
  UCD165154  Trifolium gracilentum Peter Rubtzoff 1974-5-18 7429 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCR152106  Trifolium grayi Beecher Crampton 1955-4-5 2407 Sonoma 2 mi west of Futlon, along Woolsey Road 35 Comment
  UCD37564  Trifolium grayi Beecher Crampton 1955-4-5 2411 Sonoma 3 miles northeast of Trenton, 3 miles southwest of Windsor, Starr Road, near Starr School, along Windsor Creek. Comment
  UCR218645  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2010-6-4 16210 Sonoma North Coast Ranges, Mark West Springs Road, 1.7 rd. miles east of US-101, 2.5 air miles NE (75 deg. ) of Fulton 63 Comment
  UCD111235  Trifolium incarnatum Allen Hahus 1978-4-22 18 Sonoma 0.25 mile west of Jonive Road on Highway 12. Comment
  UCD111236  Trifolium incarnatum Elsie Zeile Lovegrove 1954-4-21 s.n. Sonoma Near Sonoma. Comment
  UC1130076  Trifolium microcephalum H. S. Yates 1934-4-22 3855 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  UC1177072  Trifolium microcephalum Peter H. Raven 1951-4-22 2782 Sonoma e Agua Caliente (hills) Comment
  UCD165163  Trifolium microcephalum Peter Rubtzoff; Nancy Harrison 1974-5-26 7467 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UC631590  Trifolium microdon P. B. Kennedy 1915-5-31 Sonoma along trails; Del Mar Comment
  UC424855  Trifolium obtusiflorum Milo S. Baker 1929-7-10 3520 a Sonoma just n Santa Rosa (ditch along hwy) Comment
  POM21419  Trifolium obtusiflorum A. A. Heller 1902-5-23 5605 Sonoma Sonoma Comment
  RSA94285  Trifolium repens Peter Rubtzoff 1951-8-19 658 Sonoma Near the creek, just north of the Lower Marsh Comment
  UCD35304  Trifolium variegatum Beecher Crampton 1955-4-5 2405 Sonoma 2 miles west of Fulton, along Woolsey Road. Comment
  POM21426  Trifolium variegatum var. variegatum A. A. Heller, H. E. Brown, A. H. Heller 1902-4-22 5341 Sonoma Bet Santa Rosa and Agua Caliente Comment
  RSA51332  Trifolium variegatum var. variegatum Peter H. Raven 1950-4-6 1609 Sonoma Lower slopes of Rincon Ridge, 4 miles to Sonoma from Santa Rosa. 244 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
  UC16754  Trifolium willdenovii W. H. Brewer 1862-4-17 981 Sonoma Sonoma Valley Comment
  UC1541598  Trifolium wormskioldii H. E. and S. T. Parks 1930-5-10 848 Sonoma Knights Valley 152 Comment
  CAS-BOT-BC520852  Trillium albidum Greg de Nevers 1993-4-6 10360 Sonoma Pepperwood Ranch Natural Preserve: 3450 Franz Valley Road 304 Comment
  UCD139893  Trillium albidum Frederica Bowcutt; Kate Mawdsley 1996-3-24 2088 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1.5 air miles W of Mount Saint John, along Brushy Peaks Trail jus S of Malm Fork of Sonoma Creek. 594 Comment
  JEPS44411  Triphysaria eriantha subsp. eriantha Lewis S. Rose 1965-4-4 65018 Sonoma Sonoma 24 Comment
  SEINET6987684  Triphysaria eriantha subsp. eriantha Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Weedy flat next to maritime grassland; cove at Bodega Head. Comment
  UC27180  Triphysaria eriantha subsp. eriantha F. T. Bioletti May 1892 Sonoma Comment
  UCD123411  Triphysaria eriantha subsp. rosea Mary M. Hektner 1974-7-6 136 Sonoma Unit 35-B Owner's Map, Sea Ranch, near Highway 1. On the greens of the Golf Course. Comment
  CHSC32884  Triphysaria versicolor subsp. faucibarbata N. Kvasnik 1980-4-2 2 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
  UC1334875  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-4-24 432 Sonoma on State Highway #128, 15 mi nw Calistoga Comment
  UC27192  Triphysaria versicolor subsp. faucibarbata H. N. Bolander 1860-1 3850 Sonoma Mark West Comment
  UC673454  Triphysaria versicolor subsp. faucibarbata H. L. Mason 1928-4-8 4297 Sonoma in fields near Sebastopol Comment
  UC726087  Triphysaria versicolor subsp. faucibarbata A. A. Heller 1941-5-4 16089 Sonoma two mi e Shellville Comment
  UC1042399  Triphysaria versicolor subsp. versicolor Lewis S. Rose 1948-5-1 48097 Sonoma Valley Ford 13 Comment
  UC726290  Triphysaria versicolor subsp. versicolor A. A. Heller 1930-5-14 15083 Sonoma back of the bluff Bodega Bay (along the roadside near the town of Bay); back of bluff n of Bodega Bay Comment
  CAS-BOT-BC200106  Trisetum canescens Peter Rubtzoff 1951-6-7 111 Sonoma Western branch of the Upper Marsh Comment
  UCR143026  Triteleia hyacinthina Peter Rubtzoff 1971-6-5 6511 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  CAS-BOT-BC522357  Triteleia hyacinthina Peter Rubtzoff 1957-5-26 3364 Sonoma Occidental Marsh; Sonoma County Marshes Comment
  CAS-BOT-BC522362  Triteleia hyacinthina Peter Rubtzoff 1971-6-5 6511 Sonoma Vernal pool 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC522365  Triteleia hyacinthina Peter Rubtzoff; R. Bacigalupi 1971-6-10 6527 Sonoma On southside of W. Railroad Avenue between Fwy 101 and Stony Point Road Comment
  CAS-BOT-BC527041  Triteleia laxa L. R. Abrams 1920-7-9 7636 Sonoma Stewarts Point Comment
  SEINET12050340  Triteleia laxa J. T. Vale 1988-1 s.n. Sonoma Skaggs Springs, road between Sonoma Lake and Annapolis Rd Comment
  SEINET12057263  Triteleia laxa F. H. Utech 1978-6-26 78 -256 Sonoma Salt Pt. SP 24 Comment
  CAS-BOT-BC527970  Triteleia peduncularis J. W. Congdon 1880-5-30 115 Sonoma Santa Rosa Comment
  RSA378054  Triteleia peduncularis J. W. Congdon 1880-5-16 s.n. Sonoma Sting Point? Sebastapol Road. Comment
  CAS-BOT-BC80204  Tsuga heterophylla John Madison; Mary P. Wells; Mary Rhyne 1985-11-4 691 Sonoma Forest about 1/3 mile south of the Gualala River Comment
  CAS-BOT-BC74111  Turritis glabra D. E. Breedlove 1983-4-11 58678 Sonoma Pepperwood Ranch west of Knights Valley. Comment
  SDSU6675  Ulex europaeus D. F. Howe 1968-5-21 4520 Sonoma 3.7 miles south of Bodega Bay on #1. Comment
Read comments
Feb 6 2013
  RSA785729  Umbellularia californica Carrie A. Herd 1982-3-9 13 Sonoma Crane Creek Regional Park Comment
  UCD67497  Umbellularia californica D. Sanchez-Mata 1996-4-16 s.n. Sonoma Mercuryville. Big Sulphur Creek. The Geysers. Quercus wislizenii and Quercus kelloggii woodland; northern slopes. 430 Comment
  RSA201762  Umbellularia californica Louise Krozek 1965-2-22 1 Sonoma Mill Creek Road, 10 miles east of Healdsburg. Comment
  CAS-BOT-BC382822  Uropappus lindleyi D. E. Breedlove 1983-5-4 58699 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC382825  Uropappus lindleyi G. DeNevers 1981-4-25 847 Sonoma Pepperwood Ranch. Lower road cut turnout on Franz Valley Road, on Mark West Springs Road side Comment
  CAS-BOT-BC403987  Urtica dioica subsp. gracilis Lewis S. Rose 1964-6-3 64056 Sonoma N. end of Bodega Bay 1 Comment
  CAS-BOT-BC403992  Urtica dioica subsp. gracilis Rimo Bacigalupi 1926-4-30 1400 Sonoma Cazadero Comment
  CAS-BOT-BC404224  Urtica dioica subsp. holosericea Peter Rubtzoff 1958-8-17 3890 Sonoma Laguna de Santa Rosa sourtheast of Graton (near Guerneville Road) Comment
  CAS-BOT-BC193381  Vaccinium ovatum Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma North of Fort Ross Comment
  SFV8773  Vaccinium ovatum J. C. Lee 1966-4-27 41 Sonoma Highway 116, 1 mile east of Guerneville. 30 Comment
  SJSU9483  Vaccinium ovatum G. J. Woodside 1969-4-29 Sonoma Dutton Bill Cr 4 mi above Camp Meeker at St Dorothy's Rest Comment
Read comments
Apr 30 2012
  CAS-BOT-BC76166  Vancouveria planipetala Rimo Bacigalupi 1926-5-2 1376 Sonoma Cazadero. Comment
  SD88335  Vancouveria planipetala Darley F. Howe 1972-5-1 Sonoma Duncan Mills Pond 149 Comment
  CAS-BOT-BC76169  Vancouveria planipetala M. S. Baker 1899-5-6 s.n. Sonoma Green Valley, near Gallagher's. Comment
  UC1479609  Vancouveria planipetala Roy Y. Berg 1964-5-10 RYB 8096 Sonoma along Hwy 12 Russian River Valley 1 mi below sideroad to Occidental; Russian River Valley Comment
  CAS-BOT-BC135769  Veratrum fimbriatum C. B. Wolf 1927-9-2 1350 Sonoma One mile south of the Gualala River on the coast road. Comment
  RSA790898  Verbascum Peter Rubtzoff 1954-7-27 1564 Sonoma Guernerville Marsh. Comment
  CDA16121  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15682 a Sonoma North Coast Biodiversity Arena; along now dry Leslie Creek approx. 1/4 mi. above Mark West Springs road crossing. Comment
  UCD124726  Verbascum thapsus K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  UC104852  Verbena lasiostachys var. lasiostachys Alice Eastwood 1900-5-8 Sonoma Knight's Valley Comment
  CAS-BOT-BC164359  Veronica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 mi. east of Guerneville. At 9981 Old River Road. Comment
  CAS-BOT-BC262797  Veronica Peter Rubtzoff 1972-5-25 6752 Sonoma Laguna, Chileno Valley. Comment
  RSA785447  Veronica Peter Rubtzoff 1969-6-14 6082 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  RSA783734  Veronica americana Peter Rubtzoff 1960-6-9 4482 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  UCR279614  Veronica americana Peter Rubtzoff 1959-6-20 4172 Sonoma Willow Creek Marsh 9 Comment
  CAS-BOT-BC166806  Veronica americana Peter Rubtzoff 1962-6-22 4955 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC177117  Veronica americana Peter Rubtzoff 1955-6-4 1896 Sonoma Stony Point Marsh. Comment
  JEPS22227  Veronica scutellata Rimo Bacigalupi with members of the California Botanical Society 1958-5-24 6362 Sonoma n of Sebastopol (at Pitkin Marsh); Vine Hill region, Pitkin Marsh 60 Comment
  JEPS66217  Veronica scutellata T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6906 Sonoma Pitkin Marsh Comment
  JEPS88699  Veronica scutellata P. B. Kennedy 1919-5-16 Sonoma Del Mar Comment
  UC175500  Viburnum ellipticum Mrs. R. Kuhn 1914-5-5 3512 Sonoma El Cerrito Ranch Comment
  RSA0045171  Vicia benghalensis Greg de Nevers 1998-8-25 11307 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along road to Weimar Flat. 100 Comment
  JEPS73355  Vicia sativa Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 758 Sonoma 1 mi w Two Rock Junction Comment
  UC17028  Vicia sativa W. H. Brewer 1862-4-18 965 Sonoma near Sonoma Comment
  JEPS87243  Vicia sativa subsp. sativa Jack and Betty Guggolz 1991-5-27 1157 Sonoma s of s end Meyers Grade (between Hwy 1 and the ocean) 182 Comment
  RSA247451  Vicia tetrasperma Peter Rubtzoff 1968-7-13 5916 Sonoma Upper Salmon Creek Marsh. Comment
  UC1742244  Viola Milo S. Baker 1948-5-17 12040 Sonoma Brookside Garden Comment
  POM135111  Viola adunca A. A. Heller, H. E. Brown 1902-3-29 5179 Sonoma Bodega Bay Comment
  RSA239708  Viola adunca Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1082 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  RSA595074  Viola adunca Peter Rubtzoff 1977-11-26 9147 Sonoma On east side of Hwy 1, ca 1.5 mile northwest of jct of the road to Fort Ross State Historic Park. Comment
  SBBG4792  Viola adunca H. and M. Dearing 1939-5-15 3388 Sonoma N of Fort Ross Comment
  UC1761580  Viola douglasii Mildred Greene 1926-4-1 Sonoma Santa Rosa Country Club golf links Comment
  CAS-BOT-BC536901  Viola glabella Volney Rattan 1880-4-1 s.n. Sonoma Duncans Mill Comment
  CAS-BOT-BC135290  Viscum album Stanley Rose 1966-1-2 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  CDA2767  Viscum album subsp. album C. W. Nichols, W. O. McCartney 1966-1-17 Sonoma Stanley Rose property, 1090 Gravenstein Highway North at Hill Station Road, 1 mile north of Sebastopol. 0 Comment
  CAS-BOT-BC203122  Vitis californica Wosnessensky No date on label s.n. Sonoma Ross Comment
  CAS-BOT-BC203125  Vitis californica Irja Knight; Walter Knight 1964-11-15 778 Sonoma Hood's [Hood] Peak below Johnson Lake Comment
  UC552472  Vitis californica Professor J. T. Barrett 1936-6-19 Sonoma above Guerneville; Russian River Comment
  SBBG52687  Vitis californica C. Davidson 1977-6-20 6003 Sonoma Warm Springs Crk, Dry Crk Rd, 7.2 mi. W of Geyserville 76 Comment
  CAS-BOT-BC199912  Vulpia bromoides Peter Rubtzoff 1960-5-22 4404 Sonoma Laguna de Santa Rosa area east of Graton (betw. Occidental & Guerneville rds.) Comment
  CAS-BOT-BC199894  Vulpia bromoides Mary P. Wells 1985-4-27 508 a Sonoma Monan's Rill, no. of St. Helena Road southeast of Calistoga Road Comment
  CAS-BOT-BC199915  Vulpia bromoides Peter Rubtzoff 1951-7-7 372 Sonoma Eastern branch of the Upper Marsh Comment
  UCD93701  Vulpia microstachys K. Wagnon 1940-5-4 260 Sonoma Adobe Canyon. Comment
  UC1146644  Vulpia microstachys var. ciliata Freed W. Hoffman 1941-6-1 2184 Sonoma Oregon Canyon; North Coast Ranges Comment
  CAS-BOT-BC184597  Vulpia microstachys var. pauciflora Greg de Nevers 1990-5-1 9669 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. West of Three Tree Hill 457 Comment
  SD112861  Vulpia microstachys var. pauciflora Darley F. Howe 1963-5-23 3530 Sonoma 4 miles north of Cloverdale on #128 334 Comment
  UCD161305  Vulpia myuros James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3687 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
  UCD94914  Vulpia myuros Peter H. Raven 1950-4-6 1549 Sonoma Cotati to Santa Rosa. Comment
  UCD138883  Watsonia meriana Frederica Bowcutt 1984-6-24 461 Sonoma Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg. Old home site next to existing barn just off park road. Northwest of Gerstle Cove. 22 Comment
  UCD160300  Whipplea modesta James A. Neilson Jr. 1975-5-17 3195 Sonoma Robert Louis Stevenson State Park, Mt. St. Helena. (Exact location unknown. Elevation and coordinates estimated by label maker based on Neilson 3193.) 1165 Comment
  UCD166290  Woodwardia Peter Rubtzoff 1970-9-17 6391 Sonoma Forestville Marsh area. Comment
  CAS-BOT-BC73576  Woodwardia fimbriata Peter Rubtzoff 1951-9-2 697 Sonoma Pitkin Marsh near Forestville. Southern half of Lower Marsh. Comment
  CAS-BOT-BC73579  Woodwardia fimbriata Peter Rubtzoff 1958-8-23 3912 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC73625  Woodwardia fimbriata Walter Knight; Irja Knight 1964-11-15 777 Sonoma Hood's Peak near Johnson Lake Comment
  SD134021  Wyethia angustifolia Greg de Nevers 1987-4-25 8155 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 99 Comment
  UCSB16489  Wyethia angustifolia Breedlove, Dennis 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  UC353925  Wyethia glabra Milo S. Baker 1928-3-18 2727 b Sonoma Rincon Ridge Comment
  HSC100951  Yabea microcarpa Peter Warner 2011-5-13 190 Sonoma Jenner Headlands, Upper Russian Gulch Pasture, S of power-line crossing, ~10 m W of large isolated Douglas-fir near fence-line with Boat Field. 245 Comment
  CAS-BOT-BC456158  Zannichellia palustris Peter Rubtzoff 1955-9-10 2132 Sonoma East Guernewood, near Guerneville. Comment
  RSA800270  Zannichellia palustris Peter Rubtzoff 1968-8-31 800270 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD138093  Zantedeschia aethiopica Malcolm A. Nobs; S. Galen Smith 1949-6-30 919 Sonoma Bodega Bay. Comment
  CAS-BOT-BC530460  Zigadenus fontanus Peter Rubtzoff 1951-7-7 351 Sonoma Pitkin Marsh, near Forestville, uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC531928  Zigadenus fremontii Elsa G. Ruckert 1960-3-26 42 Sonoma Triniti Road, 3/4 mile from junction with Highway 12 243 Comment



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