Search Results — 2000 specimen records retrieved (1269 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
  UCR109504  Abronia latifolia Frank C. Vasek 1966-7-16 660716- 03 Sonoma Central Coast, Bodega Bay, Doran County Beach 1 Comment
  CAS-BOT-BC177006  Acacia Walter Knight; Irja Knight 1990-5-1 6591 Sonoma Calistoga Road at north summit between Gates and Porter Creek roads 243 Comment
  CAS-BOT-BC436982  Acaena novae-zelandiae Roger Raiche 1985-7-14 50638 Sonoma Horseshoe Cove just north of Horseshoe Point, Salt Point State Park, near Highway #1 15 Comment
  JEPS44843  Acaena pinnatifida var. californica W. L. Jepson 1931-7-19 15933 Sonoma Bodega, Watson School 152 Comment
  POM161248  Acaena pinnatifida var. californica Rimo Bacigalupi 1928-6-18 1903 Sonoma Beach at mouth of Salmon Creek, 2 miles N of Bodega Bay. Comment
  CDA11341  Acer macrophyllum G. F. Hrusa 1995-4-2 12051 Sonoma North Coast Biodiversity Arena; Corner of Franz Valley School Rd. and Franz Valley Rd. Comment
  UCR2992  Acer macrophyllum Wm. Horn Jr. 1963-4-10 630410- 3 Sonoma San Francisco Bay Region, 4 mi west of Sebastopol, 40 yd north of Bodega Hwy Comment
  RSA129916  Acer negundo subsp. californicum Peter H. Raven 1950-4-6 1589 Sonoma Santa Rosa 152 Comment
  JEPS42728  Acer negundo var. californicum J. B. Davy 1896-7-23 Sonoma Russian River below Guerneville; Russian River below Guerneville Comment
  RSA719883  Achillea millefolium Linda E. Watson 1996-5-19 96 -3 Sonoma At Bodega Bay, 2 miles N of Salmon Creek, Bodega Bay Population of Clausen, keck, and Heisey studies on ecotypes. Comment
  CAS-BOT-BC29166  Achyrachaena mollis F. Almeda; G. DeNevers 1981-4-28 4913 Sonoma Pepperwood Ranch, vicinity of Bechtel Cabin Comment
  CAS-BOT-BC29158  Achyrachaena mollis D. D. Keck 1933-5-28 2323 Sonoma 3.4 miles east of Shellville (jsut east of intersection of Sonoma 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
  SD37777  Acmispon americanus Edith A. Purer 1932-7-24 4071 Sonoma Canyon west of Santa Rosa Comment
  UCD103773  Acmispon americanus var. americanus Frederica Bowcutt 1984-6-23 430 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along Sonoma County Coast. Immed. SW of park entrance, W of Hwy 1 and NW of Gerstle Cove along park road. 30 Comment
  UCD104028  Acmispon brachycarpus Frederica Bowcutt 1994-6-25 1913 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 Grey Pine Trail about 1/2 way between Bushy Peak Trail and Meadow Trail. 530 Comment
  UCD103760  Acmispon junceus var. biolettii Frederica Bowcutt 1984-6-23 448 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-BC376279  Acmispon wrangelianus Greg de Nevers 1992-5-2 10138 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 457 Comment
  UCD104493  Acmispon wrangelianus Mary M. Hektner 1974-6-2 11 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CDA31293  Adenostoma fasciculatum D. G. Kelch 2010-5-3 10 .2 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  JEPS46069  Adenostoma fasciculatum Eleanor Armstrong June 1932 526 Sonoma 4 mi. w. Camp Meeker (near Lake Nervana) 121 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-BC368067  Aegilops triuncialis Greg de Nevers 1998-5-25 11265 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek 400 Comment
  RSA785736  Aesculus californica Carrie A. Herd 1982-4-25 84 Sonoma Crane Creek Regional Park Comment
  UCR218642  Aesculus californica George K. Helmkamp, E. A. Helmkamp 2010-6-4 16207 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
  SEINET10499562 Image available Agastache glaucifolia A. Arthur Heller 1902-6-28 Heller 5792 Sonoma Comment
  CAS-BOT-BC29571  Agoseris apargioides var. eastwoodiae Alice Eastwood 1915-6-29 4847 Sonoma Bodega Point Comment
  UCD128437  Agoseris heterophylla Frederica Bowcutt 1994-5-21 1804 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, about 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood, about 18 air miles NW of Napa. Along meadow trail, approx. 1/4 mile from trailhead. Comment
  CAS-BOT-BC166696  Agrostis Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7848 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC176398  Agrostis Peter Rubtzoff 1964-6-24 5378 Sonoma Coleman Marsh, along Salmon Creek Comment
  CAS-BOT-BC176404  Agrostis Peter Rubtzoff 1971-6-25 6558 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  CAS-BOT-BC210010  Agrostis Peter Rubtzoff 1973-8-27 7263 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC210013  Agrostis Peter Rubtzoff 1968-6-25 5911 Sonoma Lichan Marsh. Comment
  CAS-BOT-BC361297  Agrostis Greg de Nevers 1997-5-8 10992 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa, on Oak Hill Ranch 457 Comment
  CAS-BOT-BC361348  Agrostis Greg de Nevers 1997-4-24 10962 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA785906  Agrostis Peter Rubtzoff 1968-6-19 5889 Sonoma Forest Hills (5.5 miles east of Guerneville). Comment
  RSA785931  Agrostis Peter Rubtzoff 1973-7-24 7195 Sonoma Upper Green Valley Marsh. Comment
  UCD55663  Agrostis Beecher Crampton Date Unknown Sonoma Barker Hill. Comment
  UCR152276  Agrostis ampla Beecher Crampton 1959-6-16 5391 Sonoma 2 mi east of Occidental, Jonive School Area Comment
  RSA115597  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek Comment
Read comments
Mar 20 2015
  UCD51829  Agrostis blasdalei Mary M. Hektner 1975-6-2 195 Sonoma east of Walk-on-Beach, Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD51837  Agrostis blasdalei Beecher Crampton 1957-7-22 4394 Sonoma along State Hwy. 1, 1/4 mile north Fort Ross. Comment
  UCD166086  Agrostis densiflora Peter Rubtzoff 1971-6-25 6562 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing. Comment
  UCD37155  Agrostis densiflora Beecher Crampton 1957-7-11 4344 Sonoma Sonoma County, 4.6 miles north of Salmon Creek, Sonoma Coast State Park, along State Highway 1, Duncan's Point. Comment
  UCD37157  Agrostis densiflora Beecher Crampton 1957-7-11 4351 Sonoma Sonoma County, 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  UCD51987  Agrostis densiflora Beecher Crampton 1957-7-11 4329 Sonoma Sonoma Coast State Park, 0.9 miles north of Salmon Creek. Comment
  CAS-BOT-BC126972  Agrostis exarata G. DeNevers 1981-5-23 1288 Sonoma Pepperwood Ranch. Lower Pepperwood entrance. BLM. Comment
  CAS-BOT-BC126975  Agrostis exarata A. A. Heller 1902-6-4 5641 Sonoma Santa Rosa. Comment
  HSC8793  Agrostis exarata C. S. Chavez 1965-6-5 83 Sonoma 1 mi. N of Sebastopol on Guerneville Rd. Comment
  UCD52116  Agrostis exarata Beecher Crampton 1955-6-17 2943 Sonoma 4.5 miles S of Cazadero. Comment
  UCD36636  Agrostis exarata Beecher Crampton 1955-6-8 2830 Sonoma Sonoma County, at Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  UCD52071  Agrostis exarata R. Tofsrud 1941-5-1 136 Sonoma Sonoma County, California. Comment
  SEINET6762812 Image available Agrostis gigantea A. A. Beetle 1941-1 2855 Sonoma 5 mi S of Steward [Stewarts] Point Comment
  UC1130720  Agrostis hallii H. S. Yates 1937-6-6 6579 Sonoma 8 mi sw Healdsburg; Healdsburg Quad. Comment
  UCD52696  Agrostis hallii B. Crampton 1955-6-17 2979 Sonoma 2.4 miles south of Monte Rio. Comment
  UCD52693  Agrostis hallii Freed W. Hoffman 1941-6-28 2067 Sonoma Sonoma Mountain road. Comment
  UCD52554  Agrostis hallii var. pringlei P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified forest road. Comment
  UC1146631  Agrostis microphylla Freed W. Hoffman 1944-5-30 2013 Sonoma sand banks Russian River (Guernewood Park); North Coast Ranges, , Guernewood Park Comment
  HSC100967  Agrostis microphylla Peter Warner, Sarah Gordon 2011-5-27 206 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), ~675 m, N75 deg. E from main residence, E from Mark West Creek Rd., S of 2nd bridge below power lines. 53 Comment
  SBBG26362  Agrostis microphylla B. Crampton 1966-5-10 Sonoma 5.5 mi N of Sonoma. St Hwy 12 Comment
  UC174639  Agrostis oregonensis A. A. Heller 1902-6-26 Sonoma along creek at foot Mt. Hood; Sonoma Creek Comment
  CDA31307  Agrostis pallens D. G. Kelch, Ed Biffin 2010-5-3 10 .214 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  JEPS45797  Agrostis pallens Eleanor Armstrong 1932-6-3 182 Sonoma 2 mi s Occidental 121 Comment
  OBI4948  Agrostis pallens Robert F. Hoover 1965-6-29 9477 Sonoma N of summit on Harrison Grade Rd near Occidental Comment
  UC766899  Agrostis pallens R. F. Hoover 1941-5-14 5087 Sonoma 2 mi s Monte Rio (on road to Camp Meeker) Comment
  CAS-BOT-BC138597  Agrostis stolonifera John Thomas Howell 1947-6-26 23302 Sonoma Cunningham Marsh. Comment
  SDSU724  Agrostis stolonifera D. F. Howe 1963-7-3 3586 Sonoma 20 miles norht of Junction with #12 on #1 Comment
  UC1023593  Agrostis stolonifera Virginia Bufford 1936-5-22 399 Sonoma 4 mi n Stewarts Point (Hwy 1) Comment
  RSA316038  Aira caryophyllea Patricia Wilder 1934-6-10 3634 Sonoma 1.0 mile N of Jenner on California state Hwy 1.North coast 23 Comment
  UC905117  Aira elegantissima Milo S. Baker 1947-5-7 11748 Sonoma above Baker Ranch; Hood Mt. 213 Comment
  CAS-BOT-BC138188  Aira praecox John H. Thomas 1976-6-16 18339 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC445348  Alisma lanceolatum Peter Rubtzoff 1955-7-10 1956 Sonoma Duncans Mills Marsh. Comment
  UC1083344  Allium amplectens Herbert L. Mason 1934-4-28 8076 Sonoma head of Dohrman Creek Dohrman Creek, Jensen's Ranch Comment
  CAS-BOT-BC469104  Allium dichlamydeum David D. Keck; J. Clausen 1935-6-15 3366 Sonoma 1 mile north mouth of Salmon Creek Comment
  UC972352  Allium unifolium G. Thomas Robbins 1951-4-24 3387 Sonoma about 3 mi se Santa Rosa; Bennett Valley Comment
  UCSC000151  Allium unifolium Beryl O. Schreiber 1934-5-16 1120 Sonoma Healdsberg, Fitch Mountain Road Comment
  UCD109997  Alnus rhombifolia Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1773 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 Trailhead along Adobe Canyon Road S of Sonoma Creek. 198 Comment
  CAS-BOT-BC169360  Alnus rubra Peter Rubtzoff 1954-6-19 1493 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC169363  Alnus rubra Peter Rubtzoff 1957-6-28 3386 Sonoma Duncans Mills Marsh, upper part of the marsh Comment
  UCR244612  Alnus rubra Peter Rubtzoff 1973-10-10 7338 Sonoma Salmon Creek, 0.25 mi south of Freestone 64 Comment
  UCD55893  Alopecurus aequalis var. sonomensis H. S. Yates 1936-5-16 5603 Sonoma 2 miles SE of Forestville. 30 Comment
  UCD55951  Alopecurus saccatus Beecher Crampton 1966-5-10 7726 Sonoma 6.5 miles north of Sonoma, State Hwy. 12, Glen Ellen Station, California Div. of Forestry. Comment
  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
  RSA234563  Amaranthus californicus Peter Rubtzoff 1963-8-24 5240 Sonoma Laguna de Santa Rosa east of Graton Comment
  RSA126163  Amaranthus hybridus J. T. Howell 1946-8-17 s.n. Sonoma Cunningham Comment
  OBI35909  Ambrosia chamissonis David J. Keil 1983-6-29 17190 Sonoma Doran Beach County Park, Bodega Head Comment
  POM180627  Amelanchier pallida J. T. Howell 1930-6-8 5287 Sonoma 8.5 miles N of Bodega Bay Comment
  UCD158732  Amelanchier utahensis Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Along Big Sulphur Creek. Ca. 2 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 853 Comment
  CAS-BOT-BC154862  Ammannia Peter Rubtzoff 1970-8-18 6307 Sonoma 5 miles north of Sears Point. Comment
  UCD166254  Ammannia robusta Peter Rubtzoff 1970-8-18 6307 Sonoma 5 miles north of Sears Point. 11 Comment
  UCD56002  Ammophila arenaria Beecher Crampton 1957-7-11 4317 Sonoma west of Bodega Harbor, 1-2 miles, by road, west of the town of Bodega Bay. Comment
  CAS-BOT-BC177223  Amorpha californica var. napensis A. Day 1982-6-1 82 65 A Sonoma Pepperwood Ranch Comment
  JEPS87225  Amorpha californica var. napensis Jack and Betty Guggolz 1992-5-9 1282 Sonoma 1/2 mi nw Buzzard Peak (ne of Santa Rosa) 271 Comment
  UC80627  Amorpha californica var. napensis Michener and Bioletti May, 1893 Sonoma Nun's Canyon Comment
  CAS-BOT-BC222277  Amsinckia John Thomas Howell 1934-3-25 11778 Sonoma Lakeville Comment
  UC1278041  Amsinckia intermedia Beecher Crampton 1955-4-5 2420 Sonoma 2 mi n Petaluma (along US Hwy 101) Comment
  UC725447  Amsinckia lunaris A. A. Heller 1940-4-22 15550 Sonoma e of Santa Rosa (along State Hwy 12) Comment
Read comments
Nov 9 2006
  UC1084546  Amsinckia spectabilis Peter Kamb 1952-5-30 2300 Sonoma n of Bodega Head (dunes between Bodega Harbor and the ocean) 6 Comment
  RSA0091285  Amsinckia spectabilis Peter Kamb, Ray 1952-5-30 2298 Sonoma Hill 108 between Horseshoe Cove and Mussel Point, north end of Bodega Head. 30 Comment
  SEINET3351139 Image available Amsinckia spectabilis Roxana S. Ferris 1932-1 8257 Sonoma Bodega Bay Comment
  UCD56034  Andropogon glomeratus Freed W. Hoffman 1942-6-13 2046 Sonoma North Coast Ranges, around Hot Springs, the Geyers. 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
  UC1011024  Andropogon glomeratus var. pumilus Milo S. Baker Apr 1936 251 Sonoma Sonoma Co. Geysers Comment
  UC573792  Andropogon virginicus var. virginicus Virginia Bufford 1936-9-10 Sonoma 2 mi se Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  UCR255042  Anemone oregana Greg de Nevers 1997-2-28 10902 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC273103  Anisocarpus madioides Peter Rubtzoff 1953-5-17 1382 Sonoma Near road from Vacation Beach to Edendale, near Guerneville Comment
  UC891451  Anisocarpus madioides A. A. Heller 1902-6-26 5769 Sonoma along Sonoma creek, at the foot of Mt. Hood Mt. Hood Comment
  CAS-BOT-BC271440  Anisocarpus madioides H. M. Hall 1931-5-28 13103 Sonoma Four miles northeast of Mark West Spr., Northeastern Sonoma County Comment
  CAS-BOT-BC271443  Anisocarpus madioides John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 54015 Sonoma Fairfield Osborn Preserve of teh Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  RSA796687  Anthemis cotula Peter Rubtzoff 1956-9-14 2895 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC173667  Anthemis cotula Peter Rubtzoff 1958-7-5 3735 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC137768  Anthoxanthum aristatum G. DeNevers 1981-5-30 1419 Sonoma Pepperwood Ranch. Low place east of the Pippindale Pond. Comment
  RSA26260  Anthoxanthum aristatum Alice Eastwood, J. T. Howell 1936-5-19 2506 Sonoma 2 miles north of Windsor Comment
  RSA47832  Anthoxanthum aristatum L. Beane, Lois E. James 1949-5-11 1942 Sonoma About half way between Healdsburg and Windsor Comment
  CAS-BOT-BC488329  Anthoxanthum aristatum subsp. aristatum Ayzik Solomeshch 2009-5-14 s.n. Sonoma 2.3 km SE of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1 Comment
  HSC8936  Anthoxanthum odoratum C. S. Chavez 1965-6-3 78 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  UCD56233  Anthoxanthum odoratum G. F. Hrusa; G. L. Stebbins 1994-3-28 11707 Sonoma Fisk Mill Parking Area, Salt Point State Park. 7 Comment
  UCD161271  Anthriscus caucalis James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3700 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  SD133976  Antirrhinum vexillocalyculatum subsp. breweri Greg de Nevers 1987-6-1 8185 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 99 Comment
  UC26380  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum J. Burtt Davy 1894-12-9 867 Sonoma Kenwood Comment
  CDA41217  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Mike Mason 1977-7-11 PDR# 371779 Sonoma River Road near Guerneville. 0 Comment
  CAS-BOT-BC457590  Aphanes occidentalis G. DeNevers 1981-5-14 1147 Sonoma Pepperwood Ranch, Pippindale Garden. Comment
  CAS-BOT-BC251262  Apiaceae Peter Rubtzoff 1967-7-2 5844 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  SEINET5779372 Image available Apium graveolens Marcus E. Jones 1882-1 3604 Sonoma Duncan's Mills Comment
  UC921201  Apocynum androsaemifolium Milo S. Baker 1939-5-19 9334 Sonoma Gravenstein Hwy. a mile or two s. of Sousa's Cornera Comment
  CAS-BOT-BC394997  Aquilegia formosa A. A. Heller 1940-5-10 15601 Sonoma near Fort Ross Comment
  CAS-BOT-BC395018  Aquilegia formosa Ella Dales Cantelow 1939-4-10 2601 Sonoma 2.3 mi s. of Stewarts Point Comment
  SEINET12093068  Aquilegia formosa F. H. Utech 1986-1 86 -125 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 200 Comment
  CHSC63901  Arabis blepharophylla John Hale 1990-4-13 24 Sonoma 610 m E. of Austin Creek. 210 Comment
  LA204393  Arabis blepharophylla John Thomas Howell; 1930-6-8 5253 Sonoma 1 mi. east of Bodega Bay Comment
  CAS-BOT-BC171644  Aralia californica Alice Griffin 1925-7-1 s.n. Sonoma Stewarts Pt. Comment
  RSA629202  Arctostaphylos Jon E. Keeley 1993-9-11 24781 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629212  Arctostaphylos Jon E. Keeley 1993-9-11 24778 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24083  Arctostaphylos bakeri Walter Knight; Stephen W. Edwards 1986-8-17 5511 Sonoma Sweetwater Springs road across from large old mine. Comment
  CAS-BOT-BC27176  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10955 Sonoma 2 miles E of Occidental Comment
  RSA178031  Arctostaphylos bakeri subsp. bakeri R. F. Thorne 1965-4-19 34283 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  SDSU1487  Arctostaphylos bakeri subsp. bakeri D. F. Howe 1969-6-8 4635 Sonoma 3.8 miles east of Occidental. 274 Comment
  SEINET11998352  Arctostaphylos bakeri subsp. sublaevis Unknown 1987-1 70795 Sonoma N of Cazadero, The Cedars, near confluence of N & E branches of headwaters of Red Slide Creek 421 Comment
  SEINET2028740 Image available Arctostaphylos canescens H. F. Copeland 1933-3-18 A 12 Sonoma Rincon Ridge, north of Santa Rose Comment
  CAS-BOT-BC23971  Arctostaphylos canescens subsp. canescens A. A. Heller; H. E. Brown 1902-3-27 s.n. Sonoma Western base of Mt. Hood Comment
  POM209636  Arctostaphylos canescens subsp. canescens H. F. Copeland 1933-3-18 A- 12 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  RSA177924  Arctostaphylos canescens subsp. canescens R. F. Thorne 1965-4-20 34376 Sonoma 4 mi. up Cavedale Rd., ca. 6 mi. N of Sonoma. 457 Comment
  UC1349410  Arctostaphylos canescens subsp. canescens Milo S. Baker 1942-8-11 8655 A Sonoma Comment
  CAS-BOT-BC23927  Arctostaphylos canescens subsp. canescens B. A. Stein 1981-3-8 455 Sonoma Ida Clayton Rd. 1 mi. west of Lake Co. line at turnoff to trout farm. 762 Comment
  RSA40093  Arctostaphylos canescens subsp. sonomensis L. S. Rose 1948-1-17 48002 Sonoma Rincon Ridge, east of Sonoma. 152 Comment
  UC535019  Arctostaphylos canescens subsp. sonomensis H. F. Copeland 1933-3-18 A 12 Sonoma n Santa Rosa; Rincon Ridge Comment
  UC876539  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12894 Sonoma ne Santa Rosa; Rincon Ridge Comment
  CAS-BOT-BC23646  Arctostaphylos columbiana C. Hart Merriam 1925-7-8 s.n. Sonoma Coast mountains near Kachia Rancheria, about 5 miles east of Stewarts Point Comment
  CAS-BOT-BC23650  Arctostaphylos columbiana J. E. Adams 1934-3-28 731 Sonoma Seven miles north of Fort Ross Comment
  UC424786  Arctostaphylos columbiana Milo S. Baker 1929-7-16 3621 c Sonoma nw Inverness (near Hiway) Comment
  UC549700  Arctostaphylos columbiana J. E. Adams 1934-3-28 732 Sonoma seven mi n Fort Ross Comment
  SEINET11984905  Arctostaphylos columbiana R. Gankin, Hildreth, W. R.; Milam, K. 1965-1 496 Sonoma 0.1 mi N of Timber Cove, E of CA 1 Comment
  CAS-BOT-BC27250  Arctostaphylos densiflora Milo Samuel Baker 1928-4-18 5045 Sonoma Near Vine Hill School House Comment
  SBBG59976  Arctostaphylos densiflora H. F. Copeland 1932-3-18 A 4 Sonoma Rincon Ridge, N of Santa Rosa Comment
  SD107652  Arctostaphylos densiflora Walter Knight, Irja Knight 1980-12-23 3858 Sonoma California Native Plant Society's preserve on Vine Hill School Road. Comment
  SD56794  Arctostaphylos densiflora Darley F. Howe 1963-5-22 3523 Sonoma 10 miles west of Santa Rosa on Vine Hill Road. 149 Comment
  SEINET11984884  Arctostaphylos glandulosa f. cushingiana R. Gankin, Hildreth, W. R. 1967-1 1077 Sonoma near Rocky Mountain, N of Guerneville Comment
  SEINET11994913  Arctostaphylos glandulosa f. cushingiana W. Knight, Knight, I. 1987-1 6080 Sonoma Devil's Kitchen adjacent to Pepperwood Preserve 244 Comment
  CAS-BOT-BC23290  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1933-4-1 10928 Sonoma Slopes of Triniti Mt., 2 miles NE of Glen Ellen Comment
  RSA631182  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24729 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24720  Arctostaphylos glandulosa subsp. glandulosa J. Clausen 1933-3-25 726 Sonoma About 4 mi. e. of Warfield along the road to Oakville. 213 Comment
  CAS-BOT-BC24724  Arctostaphylos glandulosa subsp. glandulosa A. A. Heller; H. E. Brown 1902-3-31 5194 Sonoma Mt. Hood. Comment
  JEPS81245  Arctostaphylos glandulosa subsp. glandulosa Edward Lee with W. A. Setchell 1936-6-8 2211 Sonoma North Ridge Fire Trail near junction of Trail 3A; Bohemian Grove Comment
  UC1281370  Arctostaphylos glandulosa subsp. glandulosa H. E. McMinn 1936-4-4 4384 Sonoma R. L. Stevenson Monument Mt. St. Helena Comment
  UC549398  Arctostaphylos glandulosa subsp. glandulosa J. E. Adams 1934-3-28 728 Sonoma five mi from Seaview (Cazadero Road) Comment
  RSA339413  Arctostaphylos hispidula Roger Raiche 1984-2-26 RR 40044 Sonoma On Rockpile Road ca. 9.1 miles north of origin of Skaggs Springs-Stewarts Point Road 502 Comment
  UCD59408  Arctostaphylos hispidula Roger Raiche 1984-2-3 RR 40016 Sonoma Rockpile Road, 9.1 miles north from its intersection and beginning at Skaggs Spring-Stewarts Point Road. 502 Comment
  CAS-BOT-BC38988  Arctostaphylos manzanita Roger Raiche 1983-7-3 30476 Sonoma East Austin Creek State Rec. Area, near Redwood Lake, at edge of forest on north-facing slope. 365 Comment
  CAS-BOT-BC38991  Arctostaphylos manzanita Roger Raiche 1983-7-10 30491 M Sonoma East Austin Creek State Rec. Area, Near fire road near confluence of Gilliam Creek and Schoolhouse Creek. 121 Comment
  LA42191  Arctostaphylos manzanita H. F. Copeland; 1933-3-18 A 9 Sonoma Mt Hood, Residence of M. S. Baker, at W base Comment
  UCD160759  Arctostaphylos manzanita James A. Neilson Jr.; Teresa A. Sholars 1974-6-6 3258 Sonoma Mayacmas Mountains, ca. 3.5 miles west of Glenbrook and Bottle Rock Road., vicinity of Caldwell Pines. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCD36698  Arctostaphylos manzanita Beecher Crampton 1955-6-17 2978 Sonoma Sonoma County, 2.4 miles south of Monte Rio, road to Camp Meeker. Comment
  UCD52228  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1069 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  CAS-BOT-BC24403  Arctostaphylos manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4758 Sonoma Parker Hill Road, Santa Rosa. 182 Comment
  RSA97559  Arctostaphylos manzanita L. S. Rose 1955-2-14 55000 Sonoma Forestville. 23 Comment
  SEINET11998357  Arctostaphylos manzanita W. Knight, Knight, I.; Edwards, S. 1987-1 6336 Sonoma Pepperwood, Devil's Kitchen area 229 Comment
  UCD51915  Arctostaphylos manzanita C. M. Belshaw 1936-3-7 1561 Sonoma 1/2 mile NW of Trenton. 60 Comment
  RSA21886  Arctostaphylos manzanita subsp. bakeri Alice Eastwood, John Thomas Howell 1939-4-2 7376 Sonoma Near Camp Meeker on road to Monte Rio Comment
  RSA364259  Arctostaphylos manzanita subsp. bakeri Roger Raiche 1983-9-20 RR 30723 Sonoma Graton Road near intersection with Tanuda Road (east of Occidental) Comment
  UCD55063  Arctostaphylos manzanita subsp. elegans Ellen Dean; California Department of Forestry Personnel 2006-4-26 3001 Sonoma Top of Mt. St. Helena. 1319 Comment
  CAS-BOT-BC38703  Arctostaphylos manzanita subsp. manzanita A. A. Heller; H. E. Brown 1902-3-20 5107 Sonoma Near Windsor Comment
  CAS-BOT-BC38723  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1932-3-18 A 4 Sonoma Rincon Ridge, north of Santa Rosa Comment
  CAS-BOT-BC38882  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1931-3-14 5772 Sonoma Vine Hill District, 10 miles west of Santa Rosa. Comment
  CHSC83180  Arctostaphylos manzanita subsp. manzanita Christine Lee 1993-4-24 97 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. South of Sonoma Creek along Hillside Trail. 396 Comment
  POM209912  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 9 Sonoma Residence of M.S. Baker, at west base of Mt. Hood. Comment
  CAS-BOT-BC38715  Arctostaphylos manzanita subsp. manzanita Gary D. Wallace 1974-12-23 1348 Sonoma NE of Occidental 2 mi on Grafton Rd. 152 Comment
  CAS-BOT-BC38719  Arctostaphylos manzanita subsp. manzanita William R. Dudley 1893-2-1 s.n. Sonoma L. A. Jr. Arboretum Comment
  CAS-BOT-BC47334  Arctostaphylos stanfordiana Alice Eastwood 1915-6-5 4558 Sonoma Petrified Forest. Comment
  CAS-BOT-BC47348  Arctostaphylos stanfordiana R. F. Hoover 1963-1-12 8547 Sonoma Cavedale Rd., Hoods Peak Range. Comment
  CDA11143  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11554 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Comment
  JEPS98849  Arctostaphylos stanfordiana James B. Roof 1963-2-28 Sonoma Mt. St. Helena 1219 Comment
  LA42284  Arctostaphylos stanfordiana H. F. Copeland; 1933-3-18 A 6 Sonoma Rincon Ridge, near Santa Rosa Comment
  JEPS86345  Arctostaphylos stanfordiana Jack and Betty Guggolz 1988-2-1 897 Sonoma 4,275,707N X 511,122E UMT Sotoyome Rancho Comment
  SEINET11994912  Arctostaphylos stanfordiana W. Knight, Knight, I. 1987-1 6081 Sonoma Devil's Kitchen in vicinity of Pepperwood Preserve 244 Comment
  SEINET11996223  Arctostaphylos stanfordiana J. T. Vale 1989-1 s.n. Sonoma Cavedale Road 305 Comment
  JEPS95227  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  RSA178044  Arctostaphylos stanfordiana subsp. stanfordiana R. F. Thorne 1965-4-20 34375 Sonoma 4 mi. up Cavedale Rd., ca. 6 mi. N of Sonoma. 457 Comment
  UC549528  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 739 Sonoma coastal bluffs s Gualala Riv. Comment
Read comments
Nov 10 2011
  UCD52446  Arctostaphylos viscida Freed W. Hoffman 1947-9-29 513 Sonoma Layton Mine, Austin Creek, Sonoma County. 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
  UC1193017  Arctostaphylos viscida subsp. pulchella P. Zinke 1949-6-14 62 Sonoma divide between Dry Creek and Smith Creek; Quad 61A3 457 Comment
  SEINET11993378  Arctostaphylos viscida subsp. pulchella W. Knight, Knight, I.; Edwards, S. 1986-1 5364 Sonoma along trail to Sulphur Peak, E of Geyserville 975 Comment
  CAS-BOT-BC47466  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight 1963-9-15 290 Sonoma Los Alamos Rd., Santa Rosa Comment
  SBBG87643  Arctostaphylos viscida subsp. viscida L. F. LaPre 1986-3-30 Sonoma Socrates Mine, ca. 9 mi ENE of Geyserville 914 Comment
  UCR44931  Arenaria douglasii L. F. LaPre 1986-6-2 s.n. Sonoma Red Slide, serpentine rockslide along upper East Austin Creek, 5 mi north of Cazadero, 3 mi up a private road from Mannings Flats, Austin Creek State Recreation Area 305 Comment
  SEINET14196753  Aristida oligantha G. de Nevers 1987-1 8234 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC82560  Arnica discoidea Greg de Nevers 1997-6-7 11021 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  UC912248  Arnica discoidea Herbert L. Mason 1934-4-28 8063 Sonoma ridge ne of, (head of Dohrman Creek) Jensen's Ranch; Dohrman Creek Comment
  CAS-BOT-BC82564  Arnica discoidea W. Knight; I. Knight; Dr. Steve Edwards 1986-6-8 5451 Sonoma Cherry Creek Road W of Cloverdale Comment
  RSA785845  Arrhenatherum elatius Peter Rubtzoff 1979-8-5 9302 Sonoma Freestone Marsh area. Along Bohemian Highway at Freestone Flat Road junction, SE of Freestone marsh. Comment
  SEINET14286772  Arrhenatherum elatius D. Keil 1983-1 17210 Sonoma Stillwater Cove Regional Park Comment
  CAS-BOT-BC172574  Artemisia Peter Rubtzoff 1951-9-3 732 Sonoma Vacation Beach, near Guerneville. Comment
  RSA796170  Artemisia douglasiana Peter Rubtzoff 1970-9-3 6371 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC172573  Artemisia douglasiana Peter Rubtzoff 1958-9-1 3963 Sonoma Vacation Beach, near Guerneville. 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
Read comments
May 14 2013
  UC628481  Artemisia suksdorfii J. Clausen 1939-7-20 1715 Sonoma along road just n Jenner (towards Fort Ross) Comment
  RSA0057977  Arum italicum Greg de Nevers 1998-5-20 11254 Sonoma Mark West Creek on Cresta Ranch. Comment
  UC72227  Asarum caudatum Milo S. Baker 1898-4-5 Sonoma Near Stewart's Point Comment
  RSA416095  Asarum caudatum Christopher Davidson 1977-6-20 6030 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  SEINET10742133  Asclepias solanoana Helen K. Sharsmith 1952-6-18 Sharsmith 4128 Sonoma Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains 975 Comment
  UC399500  Aspidotis densa Michener and Bioletti March 1893 Sonoma Hood's Peak Comment
  UCD67616  Aspidotis densa D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. Open cypress forests (Cupressus sargentii) in serpentine and andesitic rocks. 800 Comment
  CAS-BOT-BC164696  Asteraceae Peter Rubtzoff 1969-5-3 6010 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC180466  Astragalus breweri Alice Griffin 1922-4-1 s.n. Sonoma El Verano Comment
  CAS-BOT-BC186825  Astragalus gambelianus Greg de Nevers 1993-5-30 10464 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Piny Canyon 457 Comment
  CAS-BOT-BC186822  Astragalus gambelianus John Thomas Howell 1931-4-19 6433 Sonoma Spring Mountain Road, 7.5 miles from St. Helena Comment
  RSA415822  Astragalus gambelianus J. T. Howell 1931-4-19 6433 Sonoma Spring Mountain Road, 7.5 miles from St. Helena. Comment
  CAS-BOT-BC66146  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1957-6-28 3384 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC66150  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1952-5-31 1119 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66154  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  UC71465  Athyrium filix-femina var. cyclosorum J. Burtt Davy 1896-7-22 4145 Sonoma Russian River Comment
  CAS-BOT-BC17427  Athysanus pusillus Peter H. Raven 1950-4-6 1603 Sonoma Rincon Ridge. 304 Comment
  HSC6514  Athysanus pusillus R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1326 Sonoma 1 mi. NW of Big Geysers Comment
  RSA0018578  Atriplex Peter Rubtzoff 1958-9-6 3974 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  SEINET11933972  Atriplex patula W. Knight, Knight, I. 1984-1 5419 Sonoma In flood plain along Petaluma River 3 Comment
  JEPS59627  Atriplex prostrata Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  UC727746  Baccharis glutinosa Milo S. Baker 1946-7-28 11539 Sonoma Sear's Point Highway Comment
  CAS-BOT-BC99589  Baccharis pilularis Carl B. Wolf; E. R. Johnson 1934-10-13 6182 Sonoma 2 4/10 mi. no. of mouth of Russian River 60 Comment
  CAS-BOT-BC99592  Baccharis pilularis Carl B. Wolf; E. R. Johnson 1934-10-13 6181 Sonoma 2 4/10 mi. no. of mouth of Russian River 60 Comment
  UCR255701  Barbarea vulgaris Peter Rubtzoff 1989-6-10 10005 Sonoma Along Russian River, c. 6 miles east of Guerneville, at 9850 River Road 14 Comment
  POM144396  Barbarea vulgaris A. A. Heller, H. E. Brown 1902-3-20 s.n. Sonoma Near Windsor. Comment
  JEPS97716  Beckmannia syzigachne Annetta M. Carter 1934-4-29 508 Sonoma 1 mi. W of Two Rock Junction on rd. to Tomales. Comment
  UC127249  Beckmannia syzigachne C. H. Dwinelle 1908-7-13 3 Sonoma Meacham Sta. Fulton Comment
  CAS-BOT-BC106394  Bellis perennis George Syme 1917-4-25 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC106388  Bellis perennis John H. Thomas 1976-6-16 18292 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UCD129544  Bellis perennis Mary M. Hektner 1975-4-29 189 Sonoma Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC75774  Berberis pinnata Walter Knight; Irja Knight 1963-12-28 482 Sonoma Salmon Creek Road. Comment
  HSC100948  Betula pendula Peter Warner 2011-4-6 186 Sonoma Pitkin Marsh, lower, ~750 m N2 deg. E from junction of Hwy. 116 and Guerneville Rd., S of main stream channel. 38 Comment
  SJSU6039  Bidens frondosa C. W. Sharsmith 1972-6-24 7811 Sonoma Laguna de Santa Rosa N of Sebastopol, E of Graton Comment
  UCD129568  Bidens frondosa F. C. Crawford 1963-9-16 101 Sonoma Petaluma, Brentwood. Apricot Way. Comment
  UCR250392  Bidens laevis Peter Rubtzoff 1958-9-27 4015 Sonoma Laguna de Santa Rosa, northeast of Graton, 0.5 mi north of Guerneville Road 20 Comment
  UCR255452  Bistorta bistortoides Ann Howald 2014-5-2 3003 Sonoma North Coast, c. 1.5 mi southeast of Del Mar Point 23 Comment
  CAS-BOT-BC100249  Blennosperma bakeri Milo S. Baker 1952-3-20 12393 Sonoma Western outskirts of Sonoma on 5th St. between Bettencourt and McArthur Comment
  CAS-BOT-BC100250  Blennosperma bakeri Wayne Roderick 1961-4-1 s.n. Sonoma 4.6 mi. south of El Verano (From 0.4 to 0.6 mi. n. of Hwy #37 on Arnold Dr.) Comment
  CAS-BOT-BC100254  Blennosperma bakeri John Thomas Howell 1949-4-6 25303 Sonoma Low field southwest of Sonoma. Type locality. Comment
  JEPS83487  Blennosperma bakeri Jack and Betty Guggolz 1986-3-18 858 Sonoma just n Piner School Comment
  CAS-BOT-BC100253  Blennosperma bakeri Rimo Bacigalupi; R. Ornduff; L. Heckard 1964-3-25 8924 Sonoma In pastures along (east of) Arnold Drive, 0.7 mile north of its junction with State Highway 37, south of Sonoma Comment
  NY162680  Blennosperma bakeri M. S. Baker 1946-4-2 11307 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
  NY30993  Blennosperma bakeri M. S. Baker 1946-4-2 11307 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
  SEINET4964102  Blennosperma bakeri Unknown 1946-1 Sonoma Comment
  OBI48606  Blennosperma nanum Michener and Bioletti, Bioletti April 1893 Sonoma Kenwood Comment
  HSC5205  Blennosperma nanum var. nanum M. S. Baker 1898-1 724 Sonoma NE Santa Rosa Comment
  UC518979  Blennosperma nanum var. nanum J. Clausen 1933-3-25 729 Sonoma between Warfield and Kenwood, along highway Warfield Comment
  CAS-BOT-BC367998  Boechera breweri subsp. breweri Donald Loarie 2014-4-20 s.n. Sonoma On a tributary just upstream of the confluence with Sausal Creek but before reaching Pine Flat Road culvert and nearby pumping station Comment
  RSA790899  Boisduvalia Peter Rubtzoff 1974-5-26 7491 Sonoma 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC154970  Boisduvalia densiflora Peter Rubtzoff 1955-8-27 2094 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC154973  Boisduvalia densiflora Peter Rubtzoff 1958-9-6 3976 Sonoma Laguna de Santa Rosa, N of Cunningham (near Todd Road). Comment
  CAS-BOT-BC173611  Boisduvalia glabella Peter Rubtzoff 1956-9-14 2875 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC154865  Boisduvalia stricta Peter Rubtzoff 1954-7-27 1578 Sonoma Guerneville Marsh. Comment
  SEINET11750918  Bolboschoenus glaucus W. Knight, Knight, I. 1990-1 6596 Sonoma Sonoma Mission Comment
  CAS-BOT-BC290567  Bolboschoenus maritimus subsp. paludosus Peter Rubtzoff 1970-8-18 6306 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC145449  Brachypodium distachyon Mary P. Wells 1984-5-5 329 Sonoma Santa Rosa. Friends House, Rincon Valley. Comment
  CAS-BOT-BC100476  Brickellia californica Greg de Nevers 1987-7-10 8232 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd., Santa Rosa, along Franz Creek 400 Comment
  UC1199316  Brickellia californica Joseph P. Tracy 1935-8-18 14745 Sonoma Knights Valley 152 Comment
  UC1299277  Brickellia californica Freed W. Hoffman 1946-8-16 786 Sonoma 1 mi below Guerneville (gravel bar along Russian River, North Coast Ranges); North Coast Ranges, Russian River Comment
  CAS-BOT-BC311816  Briza Peter Rubtzoff 1973-8-29 s.n. Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCSC000040  Briza maxima H. S. Yates 1936-5-16 5606 Sonoma 2 miles SE o fForestville - Sebastopol 30 Comment
  SEINET3128635  Briza maxima M. A. King 1897-1 sn Sonoma Near Healdsburg Comment
  CAS-BOT-BC145289  Briza minor John Thomas Howell 1935-5-5 12607 Sonoma Kenwood. Comment
  CAS-BOT-BC145291  Briza minor G. DeNevers 1981-4-11 687 Sonoma Pepperwood Ranch. West of Goodman Homestead. Comment
  UC1023569  Briza minor Virginia Bufford 1936-5-1 147 Sonoma w Sebastopol (top of hill); O'Farrell Hill Comment
  UCD19913  Briza minor C. H. Lamoureux; J. M. Tucker, J. McCaskill, and S. Armstrong 1957-4-7 1194 Sonoma 1 mile north of junction of Hwy 12 and Calistoga Rd., near Santa Rosa. 15 Comment
  JEPS79161  Brodiaea appendiculata Nancy Harrison 1980-5-16 2125 Sonoma directly s. of vineyard and Piner Elementary School (Piner and Fulton roads are north, west Santa Rosa); west Santa Rosa Comment
  CAS-BOT-BC123412  Brodiaea californica var. leptandra Amos Arthur Heller 1902-6-23 5742 Sonoma Petrified Forest Comment
  SEINET180834  Brodiaea capitata E. Tucker Sonoma Camp Meekee. Comment
  UCD150146  Brodiaea coronaria Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1. 43 Comment
  SEINET6879014  Brodiaea coronaria A. G. Vestal 1962-4-11 s.n. Sonoma 1 mile east of Occidental. Comment
  JEPS7662  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-21 7622 Sonoma Windsor 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
  UCD139132  Brodiaea elegans subsp. elegans Frederica Bowcutt 1994-6-12 1847 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. about 20 ft. Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  CAS-BOT-BC484388  Brodiaea elegans subsp. elegans James McMurphy 1909-5-28 s.n. Sonoma 1 mile west of Santa Rosa Comment
  CAS-BOT-BC484394  Brodiaea elegans subsp. elegans Peter Rubtzoff 1969-6-15 6086 Sonoma Laguna de Santa Rosa 1 mile east/southeast of Sebastopol Comment
  CAS-BOT-BC486537  Brodiaea elegans subsp. elegans D. E. Breedlove 1980-6-28 44804 Sonoma Pepperwood Ranch west of Knights Valley Comment
  SEINET10534094  Brodiaea laxa John Thomas Howell 1931-6-15 Howell 6689 Sonoma Near Sebastopol, California Comment
  JEPS5696  Brodiaea leptandra W. L. Jepson 1918-6-21 7621 Sonoma Calhoun Ranch Windsor 30 Comment
  UC768739  Brodiaea leptandra R. F. Hoover 1938-6-14 3604 Sonoma 2 mi se Healdsburg Comment
  CAS-BOT-BC486523  Brodiaea stellaris Catherine Best 1979-5-11 s.n. Sonoma Near Occidental in the east side of Stoetz Road about 100 yeards north of the county dump Comment
  CAS-BOT-BC486524  Brodiaea stellaris Barbara Menzies 1970-6-2 s.n. Sonoma Near Occidental Comment
  SEINET9636479 Image available Brodiaea stellaris Fred W. Hoffman 1947-5-18 541 Sonoma ca. 2 miles east of Occidental. Comment
  CAS-BOT-BC486457  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1971-6-5 6507 Sonoma Vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC486466  Brodiaea terrestris subsp. terrestris Peter Rubtzoff; Rimo Bacigalupi 1971-6-10 6528 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC311835  Bromus Peter Rubtzoff 1971-5-30 6458 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  SEINET3921827  Bromus carinatus Beecher Crampton 1955-6-8 2831 Sonoma Sonoma County, at Napa County border, 5 miles northwest of Calistoga, along State Highway 128.; 0 Comment
  CAS-BOT-BC149051  Bromus carinatus var. carinatus Peter Rubtzoff 1952-5-31 1100 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC149089  Bromus carinatus var. carinatus David L. Morgan 1956-4-16 s.n. Sonoma Petaluma. Comment
  CAS-BOT-BC149091  Bromus carinatus var. carinatus Mary P. Wells 1981-8-2 s.n. Sonoma Between playground on Leeward Road and the sea. The Sea Ranch. Comment
  CDA15741  Bromus carinatus var. carinatus G. F. Hrusa 1998-6-14 14593 Sonoma Knights Valley; Serpentine slopes on side of Ida Clayton Rd., ~1.5 mi. E of Hwy. 128, NW shoulder of Mt. St. Helena. Serpentine interfingering with volcanic substrate, this apparently on both. Common, bunching. Comment
  UC1024772  Bromus carinatus var. carinatus Leo Whitney 1935-4-13 2256 b Sonoma Santa Rosa Comment
  UC1131045  Bromus carinatus var. carinatus H. S. Yates 1937-5-3 6566 Sonoma 1 1/2 mi ne of Petrified Forest 335 Comment
  UCD151108  Bromus carinatus var. marginatus James A. Neilson Jr. 1974-6-1 3035 Sonoma Mayacmas Mountains, Geyser Rock. (Elevation estimated by label maker using Google Earth.) 1066 Comment
  UCD59229  Bromus carinatus var. marginatus Collector unknown 1941-3-1 Sonoma Santa Rosa Junior College. Comment
  UCD58378  Bromus catharticus Collector unknown 1941-7-1 Sonoma Santa Rosa. Comment
  OBI22459  Bromus catharticus var. elatus Lewis S. Rose 1952-4-18 62024 Sonoma 1 mi NW of Freestone 76 Comment
  CDA43044  Bromus commutatus G. Radieve & J. Curtis 2014-4-14 Sono 0479 Sonoma Sugarloaf Ridge State Park. 0 Comment
  CAS-BOT-BC155659  Bromus diandrus G. DeNevers 1981-4-20 748 Sonoma Pepperwood Ranch. Top of Horse Hill. Pippindale farm. Comment
  UCR248720  Bromus diandrus Peter Rubtzoff 1964-5-31 5331 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg, along Russian River 61 Comment
  CAS-BOT-BC155203  Bromus hordeaceus Peter Rubtzoff 1958-5-10 3640 A Sonoma Lagunda de Santa Rosa east of Cunningham (near Llano Road). Comment
  UCD58688  Bromus hordeaceus Beecher Crampton 1957-7-11 4338 Sonoma Bluffs just south of Portuguese Beach. Sonoma Coast State Park. 2.5 miles north of Salmon Creek. Comment
  UCD58808  Bromus hordeaceus Beecher Crampton 1955-4-5 2419 Sonoma Llano Road. 3 miles northwest of Cotati. Comment
  CAS-BOT-BC155243  Bromus hordeaceus David L. Morgan 1956-4-5 s.n. Sonoma Petaluma. Mountain View Avenue. Comment
  CAS-BOT-BC162396  Bromus laevipes G. DeNevers 1981-6-20 1591 Sonoma Pepperwood Ranch. Confluence of Mark West Creek and Leslie Creek. Comment
  JEPS27963  Bromus laevipes Rimo Bacigalupi and L. Heckard 1961-6-9 7744 Sonoma about 3/4 mi nw of Occidental School (along Stoetz Lane about 1/2 mi nw of its junction with Harrison Grade Road, at head of North Fork of Lancel Creek); Stoetz Lane, North Fork Lancel Creek 222 Comment
  RSA126882  Bromus laevipes H. S. Yates 1937-5-30 6543 Sonoma Three miles northwest of Graton. 61 Comment
  UC1146638  Bromus laevipes Freed W. Hoffman 1941-6-20 2102 Sonoma near Camp Meeker (North Coast Ranges, Oregon Canyon); North Coast Ranges, Oregon Canyon Comment
  UCD58963  Bromus madritensis R. Tofsrud 1949-4-1 s.n. Sonoma Road to 'Top O World.' N of Sonoma. Comment
  SEINET10524463  Bromus marginatus A. Arthur Heller 1902-4-9 Heller 5247 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  CAS-BOT-BC162256  Bromus maritimus Peter H. Raven 1963-4-28 18249 Sonoma Between town of Bodega Bay and Bodega Head. Comment
  UCD59060  Bromus orcuttianus Gerry North 1993-4 3 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At Goodspeed trailhead pullout. On bank edge above Sonoma Creek. 213 Comment
  UCD59661  Bromus secalinus Freed W. Hoffman 1941-6-28 2068 Sonoma North Coast Ranges. Sonoma Mountain road. Comment
  CAS-BOT-BC161584  Bromus sterilis John Thomas Howell 1949-4-6 25305 Sonoma Along road southwest of Sonoma. Comment
  CAS-BOT-BC185425  Bromus vulgaris K. Wagnon 1939-5-14 197 Sonoma Eastern edge of Wagnon's rock quarry 5 mile west of Sebastopol. Comment
  UCR141958  Bromus vulgaris Beecher Crampton 1955-6-17 2928 Sonoma North Coast Range, 1.6 miles west of Forestville, along State Highway 116 ['12'] 61 Comment
  CAS-BOT-BC36919  Cakile maritima var. maritima A. A. Heller 1940-5-17 L 5627 Sonoma On the bluff north of the town of Bay, 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
  CHSC80116  Calamagrostis bolanderi Colette Beaupre 2000-7-6 Sonoma Near Sea Ranch, on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB and M. 182 Comment
  UCR254900  Calamagrostis crassiglumis Peter Rubtzoff 1966-5-29 5741 Sonoma Pitkin Marsh, near Forestville 38 Comment
  CAS-BOT-BC185120  Calamagrostis nutkaensis Mary P. Wells 1981-8-2 s.n. Sonoma On Moonraker Road below Crow's Nest (east of Highway #1). The Sea Ranch. Comment
  UCD57515  Calamagrostis nutkaensis Chris Bowen 1974-6-2 146 Sonoma near State Highway 1, Sea Ranch, Unit 7 Owners' Map, near Whaler's Reach. 30 Comment
  UCD57517  Calamagrostis nutkaensis Alan A. Beetle 1945-8-4 4012 Sonoma 10 miles north of Fort Ross. Comment
  CAS-BOT-BC185131  Calamagrostis nutkaensis Mary P. Wells 1982-8-21 128 Sonoma South Gerstle Cove, Salt Point State Park. Comment
  SEINET10521062  Calamagrostis nutkaensis Alan A. Beetle 1945-8-4 Beetle 4012 Sonoma 10 miles north of Fort Ross, open coastal hills, grazed. Comment
  UCD57738  Calamagrostis rubescens R. Tofsrud 1951-6-1 s.n. Sonoma north of Sonoma, 'Top-O-The-World' Road, near Bay Area Lookout. Comment
  UCD165132  Calandrinia Peter Rubtzoff 1974-5-11 7396 Sonoma Laguna de Santa Rosa ca. 1 mile ESE of Sebastopol. Comment
  CAS-BOT-BC361366  Calandrinia breweri Greg de Nevers 1997-4-12 10930 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  CDA6850  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma Just east of Sonoma. 0 Comment
  CAS-BOT-BC273239  Calendula arvensis Milo S. Baker 1946-4-2 11306 Sonoma Along an overflow channel West side of Sonoma Cr. a mile or so south of El Verano Comment
  UCD33564  Calendula arvensis Beecher Crampton 1970-3-12 8545 Sonoma Sonoma, 1st. Street West, just south of r.r. depot. Comment
  CAS-BOT-BC290644  Callitriche Peter Rubtzoff 1972-6-29 6814 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC293674  Callitriche heterophylla Peter Rubtzoff 1974-4-6 7355 Sonoma Along Lawndale Road, 0.75 miles south of Highway 12. Comment
  NY370183  Callitriche heterophylla var. bolanderi C. H. Michener 1893-4-25 s.n. Sonoma Comment
  JEPS682  Callitriche trochlearis W. L. Jepson 1914-4-11 5806 Sonoma near Eldridge; Sonoma Valley 35 Comment
  RSA0035350  Callitriche verna Peter Rubtzoff 1974-4-6 7348 Sonoma Kenwood Marsh. Comment
  JEPS61625  Calochortus amabilis Docia I. Patchett 1917-5-7 Sonoma Cazadero Road near Clark's Crossing Comment
  JEPS61628  Calochortus amabilis Eleanor Armstrong 1932-5-25 513 Sonoma near Mark West Springs (near Calistoga Grade) 152 Comment
  SEINET8465053 Image available Calochortus amabilis G. K Helmkamp, E. A. Helmkamp 2010-6-4 16212 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
  UC157875  Calochortus amabilis Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  UC400140  Calochortus amabilis Ynes Mexia 1929-6-2 2393 Sonoma near Mark West Springs Comment
  UC72483  Calochortus amabilis Milo S. Baker 1898-4-23 29 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC483279  Calochortus amabilis A. A. Heller; H. E. Brown 1902-4-22 s.n. Sonoma Between Santa Rosa and Agua Caliente Comment
  CAS-BOT-BC483286  Calochortus amabilis D. E. Breedlove 1980-6-27 44757 Sonoma Pepper wood Ranch west of Knights Valley Comment
  SD88413  Calochortus amabilis Darley F. Howe 1972-4-25 Sonoma Trinity Road, Mount Hood Range. 121 Comment
  SEINET12048678  Calochortus amabilis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -079 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12, ca 0.5 mi N on Cavedale Rd from jct 152 Comment
  CAS-BOT-BC492641  Calochortus luteus Volney Rattan 1885-5-9 s.n. Sonoma Sonoma Creek 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
  SEINET10859649 Image available Calochortus raichei Roger E. Raiche 1986-7-7 Raiche 60214 Sonoma N of Cazadero. The Cedars. Headwaters of Big Austin Creek, near Laton Mine. 840 Comment
  JEPS61740  Calochortus tolmiei Vina Krager 1849-4-26 Sonoma 15 mi from Duncan's Mills; Bodega Comment
  UCSB641  Calochortus tolmiei Robbins, G. 1938-4-15 Sonoma About 2.5 miles east of Bodega Bay Comment
  CAS-BOT-BC132636  Calochortus uniflorus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  UC65044  Calochortus uniflorus Milo S. Baker 1898-4-5 Sonoma between Stewarts Point Sea View Comment
  CAS-BOT-BC496928  Calochortus vestae Greg de Nevers 1987-6-1 8186 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  JEPS86753  Calycadenia pauciflora Jack and Betty Guggolz 1990-6-22 1074 Sonoma n side of Ida Clayton Road, 2.15 mi from Hwy 128 438 Comment
  RSA255606  Calycadenia pauciflora Gerald D. Carr 1971-8-17 640 Sonoma The Geysers 488 Comment
  CAS-BOT-BC270843  Calycadenia pauciflora Gerald D. Carr 1972-3-20 688 Sonoma 2.0 miles N of Highway 128 on Ida Clayton Road 487 Comment
  SEINET9343982  Calycadenia truncata Unknown 1993-10-2 11423 Sonoma Sonoma Comment
  CAS-BOT-BC272759  Calycadenia truncata subsp. truncata Milo S. Baker 1932-10-9 6044 Sonoma Above Kenwood Sprg. South side of canyon Comment
  CAS-BOT-BC90988  Calycanthus occidentalis Peter Rubtzoff 1952-6-10 1237 Sonoma Northeast slopes of Fitch Mountain, near Healdsburg. Comment
  CAS-BOT-BC90991  Calycanthus occidentalis Peter Rubtzoff 1971-9-3 6698 Sonoma Along southeastern border of Spring Creek Reservoir area. Comment
  CAS-BOT-BC90997  Calycanthus occidentalis A. A. Heller 1902-6-11 5689 Sonoma Santa Rosa Creek, east of Santa Rosa. Comment
  CAS-BOT-BC91002  Calycanthus occidentalis D. E. Breedlove 1962-6-6 2905 Sonoma On State Highway 128, 4.0 miles northwest of U.S. Highway 101 at Cloverdale. 289 Comment
  JEPS128219  Calycanthus occidentalis Roger Raiche 2000-5-27 111 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD166583  Calycanthus occidentalis Dylan O. Burge 2016-8-20 2123 Sonoma Hooker Creek. 415 Comment
  JEPS46298  Calypso bulbosa Eleanor Armstrong 1933-4-1 660 Sonoma Camp Meeker 45 Comment
  JEPS64301  Calypso bulbosa Docia Patchett 1917-3-29 Sonoma Cazadero Comment
  UC7776  Calyptridium umbellatum H. N. Bolander 1864-1 3973 Sonoma within 8 or 9 yards of The Geysers Comment
  RSA0059767  Calystegia D. F. Howe 1969-5-28 s.n. Sonoma 13.5 miles north of Jenner on Highway 1. Comment
  JEPS87233  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1992-5-2 1271 Sonoma Found on the north side of White Rock, 1 3/4 miles north of Jimtown 304 Comment
  SEINET196190  Calystegia collina subsp. oxyphylla Roxana S. Ferris, Laura Lorraine 1948-6-9 11660 Sonoma Summit of grade between Mark West Valley and Franz Valley. Comment
  UC796564  Calystegia collina subsp. oxyphylla Roxana S. Ferris and Laura Lorraine 1948-6-9 11660 Sonoma Summit of grade between Mark West Valley and Franz Valley; betw Mark West Valley and Franz Valley Comment
  CDA39871  Calystegia collina subsp. oxyphylla T. C. Fuller 1958-5-24 4002 Sonoma 1/2 mile east of Occidental, State Department of Forestry Station. 0 Comment
  RSA394815  Calystegia purpurata J. Russell Bruff 1968-5-1 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC224742  Calystegia purpurata subsp. saxicola John Thomas Howell 1930-6-8 5290 Sonoma 8.5 miles n. of Bodega Bay Comment
  CAS-BOT-BC32999  Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  SD88401  Calystegia purpurata subsp. saxicola Darley F. Howe 1972-4-30 Sonoma Bodega Bay Comment
  UC141628 Image available Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 Sonoma Bodega Point; ; Bodega Pt., Sonoma Co. Comment
  UC879438  Calystegia purpurata subsp. saxicola Alice Eastwood 1917-5-13 Sonoma Bodega Bay Comment
  JEPS120458  Calystegia purpurata subsp. saxicola Daniel Slakey 2013-7-10 58 Sonoma Salt Point State Park, specimens collected along a 1 mile stretch of coast surrounding Salt Point. Comment
  JEPS128287  Calystegia subacaulis Roger Raiche 2008-5-18 003 .08 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128289  Calystegia subacaulis Roger Raiche 2008-5-18 005 .08 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1299583  Calystegia subacaulis Freed W. Hoffman 1947-6-4 527 Sonoma North Coast Ranges. East Austin Creek . Comment
  UCD138332  Camassia quamash subsp. linearis P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  POM180624  Camissonia cheiranthifolia subsp. cheiranthifolia J. T. Howell 1930-6-8 5273 Sonoma North end of Bodega Bay. Comment
  UCD103511  Camissoniopsis cheiranthifolia H. A. Borthwick 1925-6-7 1844 Sonoma Willow Camp. Comment
  CHSC27726  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Coleta Lawler 1978-7-18 298 Sonoma Bodega Bay, at Doran Park campground; along road. Comment
  CAS-BOT-BC266417  Campanula californica Mary P. Wells 1984-8-8 430 Sonoma Deer Trail, The Sea Ranch Comment
  SEINET10905925  Campanula prenanthoides P. Rubtzoff 1951-8-25 Rubtzoff 667 Sonoma Forested hills southeast of Guerneville 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
  JEPS128337  Cardamine californica Roger Raiche 2010-2-28 008 .10 Sonoma The Cedars. Gateway parcel. Lower Russian River, Big Austin Creek watershed. Comment
  UCD167111  Cardamine californica James Neilson 1977-3-25 3849 Sonoma Mayacmas Mountains. Socrates Mine area. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCR244500  Cardamine californica Peter Rubtzoff 1962-4-18 4797 Sonoma Freestone Marsh 79 Comment
  UCR265125  Cardamine californica Ann Howald 2015-4-1 3321 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 15.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 397 Comment
  RSA135439  Cardamine californica var. integrifolia R. H. Thompson 1880-04 s.n. Sonoma Near Healdsburg. Comment
  UC1299649  Cardamine californica var. sinuata Freed W. Hoffman 1947-3-6 813 Sonoma Gilliam Creek North Coast Ranges, Gilliam Creek Comment
  CAS-BOT-BC251241  Cardionema ramosissimum Peter Rubtzoff 1960-5-18 4369 Sonoma Bodega Head Marsh. Comment
  UCD148413  Carduus Peter Rubtzoff 1959-6-13 4141 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC281725  Carduus pycnocephalus Alice Eastwood; John Thomas Howell 1938-5-15 5505 Sonoma Near Mark West Springs Comment
  HSC82088  Carduus tenuiflorus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5130 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  CAS-BOT-BC281794  Carduus tenuiflorus S. Saufferer 1973-5-24 219 Sonoma Bodega Bay near the ocean Comment
  UCR255708  Carex abrupta Peter Rubtzoff 1957-5-4 3307 Sonoma Duncan Mills Marsh 2 Comment
  UCR255715  Carex abrupta Peter Rubtzoff 1960-5-18 4392 Sonoma Bodega Head Marsh 6 Comment
  JEPS86341  Carex albida Jack and Betty Guggolz 1988-5-14 935 Sonoma n side of Pitkin Creek about 50 meters in from Hwy. 116; Rancho Molinos, Pitkin Creek Comment
  RSA0022355  Carex athrostachya Peter Rubtzoff 1970-6-14 6260 Sonoma On River Road about 3 miles W of Fulton. Comment
  CAS-BOT-BC329309  Carex barbarae Peter Rubtzoff 1974-6-2 7524 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC422363  Carex barbarae Peter Rubtzoff 1958-5-4 3629 Sonoma Forestville Marsh. Comment
  RSA0037208  Carex barbarae Peter Rubtzoff 1976-5-30 8577 Sonoma Kenwood Marsh. Comment
  UCR248956  Carex barbarae Peter Rubtzoff 1958-7-26 3800 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  UC70606  Carex bolanderi Bioletti 1893-6-5 Sonoma South Los Guilucos Valley Comment
  RSA364616  Carex bolanderi Christopher Davidson 1977-6-20 6034 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  CAS-BOT-BC34024  Carex brevicaulis John Thomas Howell; J. W. Stacey 1937-6-6 13043 Sonoma Border Pitkin Marsh. Comment
  CAS-BOT-BC110183  Carex buxbaumii Peter Rubtzoff 1951-6-7 129 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC329290  Carex cusickii Peter Rubtzoff 1955-5-21 1872 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC18983  Carex densa Peter Rubtzoff 1951-6-10 198 Sonoma The Pitkin Marsh, near Forestville. Between the Upper and the Lower Marshes. Comment
  CAS-BOT-BC20473  Carex densa John Thomas Howell 1937-7-4 13073 Sonoma Near Petrified Forest. Comment
  SEINET11052744  Carex densa Peter Rubtzoff 1960-5-15 4337 Sonoma Fife Creek Marsh [near Guerneville] Comment
  UC589965  Carex densa H. S. Yates 1936-5-16 5583 Sonoma 1 mi ne Graton; Sebastopol Quadrangle 30 Comment
  UC70610  Carex densa Miss A. King 1896-1 Sonoma near Healdsburg (Russian River) Comment
  CAS-BOT-BC20502  Carex densa Peter Rubtzoff 1962-6-1 4862 Sonoma Sonoma County Marshes. Upper Freestone Marsh. 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
  CAS-BOT-BC290571  Carex echinata subsp. phyllomanica Peter Rubtzoff; Bacigalupi; Chuang; Heckard 1971-6-10 6536 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC329293  Carex exsiccata Peter Rubtzoff 1955-6-26 1906 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  RSA0020330  Carex exsiccata Peter Rubtzoff 1959-4-18 4024 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 0.5 mi north of Guerneville Road crossing. Comment
  SEINET10921611  Carex festiva Henry N. Bolander Bolander 3814 Sonoma Meadow near Mark West Creek, Comment
  SEINET7558589 Image available Carex feta Alice Eastwood, John Thomas Howell 1936-5-19 2525 Sonoma Near Asti. Comment
  SD72053  Carex globosa John Thomas Howell 1955-6-2 30258 A Sonoma Near Vine Hill School. Comment
  UC904940  Carex globosa John Thomas Howell 1945-5-30 20913 Sonoma Vine Hill School Comment
  UC854  Carex gracilior H. N. Bolander April 1864 3822 Sonoma meadow Cloverdale; Cloverdale, Sonoma Co. Comment
  UCD112362  Carex gracilior Peter Rubtzoff 1954-6-20 1500 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC26256  Carex gracilior H. N. Bolander 3822 Sonoma unspecified Comment
  RSA94275  Carex gracilior Peter Rubtzoff 1952-3-22 866 Sonoma Pitkin Marsh, near Forestville: Western branch of the upper Marsh in partial shade on damp ground Comment
  SEINET7560150 Image available Carex gracilior Alice Eastwood, John Thomas Howell 1936-5-19 2499 Sonoma North limits of Santa Rosa. Comment
  CAS-BOT-BC422374  Carex gynodynama Peter Rubtzoff 1957-5-11 3331 Sonoma Occidental Marsh. 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-BC21911  Carex harfordii Peter Rubtzoff 1952-5-10 1002 Sonoma The Pitkin Marsh, near Forestville. Western branch of the upper marsh. Comment
  RSA758136  Carex harfordii Peter Rubtzoff 1960-5-16 4355 Sonoma Duncans mills marsh. m thickets along streamlet in upper portion of the marsh. Comment
  CAS-BOT-BC31432  Carex leptopoda R. F. Hoover 1941-5-14 5079 Sonoma 3 mi S of Monte Rio on road to Camp Meeker. Comment
  CAS-BOT-BC352234  Carex leptopoda Peter Rubtzoff 1964-5-20 5323 Sonoma Bodega Bay Marsh. Comment
  RSA0034190  Carex leptopoda Peter Rubtzoff 1960-6-7 4459 Sonoma Austin Creek Marsh. Comment
  RSA94277  Carex leptopoda Peter Rubtzoff 1951-6-9 164 Sonoma Pitkin Marsh, near Forestville; Forest south of the Upper Marsh. 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-BC119580  Carex nudata John Thomas Howell 1933-4-2 10931 Sonoma Sonoma Creek Canyon Comment
  UC70453  Carex nudata Jos. Burtt Davy Jul 1896 Sonoma below Guerneville (along Russian River) Comment
  UCD140690  Carex nudata Beecher Crampton 1956-4-24 3311 Sonoma 7.5 miles northwest of Calistoga. Comment
  CAS-BOT-BC119314  Carex obnupta Peter Rubtzoff 1951-8-4 582 Sonoma Pitkin Marsh, near Forestville. S of the Upper Marsh. Comment
  JEPS63537  Carex obnupta W. L. Jepson 1931-7-19 15953 Sonoma Russian River near Markham; Russian River Comment
  CAS-BOT-BC119282  Carex ovalis Peter Rubtzoff 1958-6-1 3702 Sonoma Laguna de Santa Rosa E of Cunningham near Llano Road. Comment
  CAS-BOT-BC119285  Carex ovalis Peter Rubtzoff 1958-5-10 3638 Sonoma Laguna de Santa Rosa E of Cunningham near Llano Road. Comment
  POM230033  Carex pellita J. T. Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC331479  Carex rostrata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC422360  Carex serratodens Peter Rubtzoff 1974-6-9 7586 Sonoma Upper Green Valley Marsh. Comment
  UCD161858  Carex serratodens James A. Neilson Jr. 1975-7-8 3406 Sonoma Mayacmas Mountains. Socrates Mine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR248942  Carex stipata Peter Rubtzoff 1960-5-22 4410 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  CAS-BOT-BC173805  Carex stipata Peter Rubtzoff; Nancy Harrison 1978-5-20 9178 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  CAS-BOT-BC117357  Carex stipata var. stipata John Thomas Howell; J. W. Stacey 1937-6-6 13039 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC249294  Carex subbracteata Peter Rubtzoff 1959-6-13 4124 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC350935  Carex tumulicola Peter Rubtzoff 1957-5-26 3359 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC281920  Carthamus lanatus Greg de Nevers 1992-7-22 10223 Sonoma Sonoma Mountain, Lichau Rd, Fairfield-Osborn Preserve 243 Comment
  CDA20441  Carthamus lanatus R. Gross 2002-9-19 s.n. Sonoma North Coast Ranges; Lichau Rd, near Fairfield Osborn Preserve. 0 Comment
  RSA234562  Carthamus lanatus Peter Rubtzoff 1960-7-5 6110 Sonoma Ca. 6 mo. northeast of Penngrove, on Lichan Road Comment
  CDA7005  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma ca. 1 mile west of the Asti turn-off of the freeway, Highway 101, Asti. 0 Comment
  HSC26187  Carthamus leucocaulos William J. Ferlatte 1972-6-22 1392 Sonoma 1 mile W of Asti Comment
  RSA285910  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma 1 mile W of the Asti turn off of the freeway, Hwy 101, Asti. Comment
  SEINET13331044 Image available Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma 0.25 acre of weed scattered over 2 acres, abundant on both slopes of the dam of a reservoir, about 1 mi. W. of the Asti turn-off of the freeway, Hwy 101, Asti Comment
  RSA664100  Carthamus tinctorius J. C. Roos, L. Roos 1956-9-2 6599 Sonoma Healdsburg dump Comment
  CAS-BOT-BC384677  Caryophyllaceae Peter Rubtzoff 1983-8-28 9680 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  POM44312  Castilleja ambigua subsp. ambigua Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  JEPS77867  Castilleja attenuata Robert M. Lloyd 1965-5-8 3630 Sonoma 3 mi n Highway 12 junction with Agua Caliente Road (on Highway 12, across from Lawrence Triangle End Garage) Comment
  UC1012323  Castilleja attenuata F. W. Pennell and H. L. Mason 1940-5-21 25484 Sonoma e of Kellogg (Route 28) 182 Comment
  UC76118  Castilleja attenuata Milo S. Baker 1898-4-23 615 Sonoma Santa Rosa Creek Canyon Comment
  UC1567928  Castilleja foliolosa F. H. Utech 1986-5-13 86 -104 Sonoma ca 3.0 mi ne Cavedale (road from junction with CA Hwy 12) 250 Comment
  SD62057  Castilleja franciscana Darley F. Howe 1965-8-3 Sonoma 2.4 miles east of Bodega Bay on Highway #1. Comment
  CAS-BOT-BC32543  Castilleja inornata Alice Eastwood; John Thomas Howell 1939-4-2 7367 Sonoma Sonoma coast north of Bodega Bay Comment
  CAS-BOT-BC243855  Castilleja latifolia Alice Eastwood 1915-6-29 4835 Sonoma Bodega Point Comment
  JEPS66231  Castilleja miniata subsp. miniata T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6903 Sonoma about south-central Pitkin Marsh (near end of Templeton Road); , about south-central Comment
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Oct 15 2010
  JEPS86334  Castilleja subinclusa subsp. franciscana Jack and Betty Guggolz 1988-4-4 908 Sonoma Sotoyome Land Grant; e side of crest of ridge Comment
  CAS-BOT-BC241090  Castilleja uliginosa Hans Leschke 1945-5-30 s.n. Sonoma Pitkin Marsh Comment
  JEPS23808  Castilleja wightii Rimo Bacigalupi with Don Liles 1959-7-13 7323 Sonoma 3.5 mi s Fort Ross (along State Hwy 1) 137 Comment
  CAS-BOT-BC48515  Ceanothus confusus Bruce A. Stein 1981-5-31 557 Sonoma Rincon Ridge, Fountaingrove Ranch 228 Comment
  CAS-BOT-BC48519  Ceanothus confusus John Thomas Howell 1933-4-2 10937 Sonoma Mt. Hood, Sonoma Creek Canyon Comment
  CAS-BOT-BC48523  Ceanothus confusus Roger Raiche 1985-4-6 RR 50178 Sonoma W of Healdsburg, Dry Cr area, ridge w side of Dry Cr Valley & n of Dorman Cyn (n as far as Bradford Mt) 243 Comment
  CAS-BOT-BC83812  Ceanothus confusus D. O. Burge; Steven Kembel 2008-5-29 1003 c Sonoma Mayacmas Mountains, western slope of Mount Hood 560 Comment
  RSA21894  Ceanothus confusus J. T. Howell 1935-5-5 12619 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  UC1071291  Ceanothus confusus C. M. Belshaw 1936-3-8 1571 Sonoma Rincon Ridge, 1 1/2 mi N of County Farm 251 Comment
  UC727758  Ceanothus confusus Milo S. Baker 1946-2-14 11266 Sonoma Hope Valley near Chamberlain Ranch, Kenwood Region Comment
  SEINET12211234  Ceanothus confusus W. Knight, Knight, I.; Edwards, S. 1985-1 6331 Sonoma Bradford Mt. NW of Healdsburg 762 Comment
  UCD111362  Ceanothus confusus G. F. Hrusa; R. Gross 1995-11-8 12469 Sonoma on N side of Adobe Canyon Road. Comment
  CAS-BOT-BC49698  Ceanothus cuneatus var. ramulosus G. DeNevers 1981-4-1 604 Sonoma E side of road at Mark West Creekand Leslie Creek Comment
  CAS-BOT-BC64355  Ceanothus foliosus Peter Rubtzoff 1953-5-17 1398 Sonoma Forested hills s. of Guerneville. Comment
  RSA177990  Ceanothus foliosus Robert F. Thorne 1965-4-20 34343 Sonoma Top of Parker Hill (N end of Parker Hill Rd.) ca. 3 mi. No. of Santa Rosa. 244 Comment
  SEINET13945888 Image available Ceanothus foliosus G. Thomas Robbins 1938-1 257 Sonoma Along road to Occidental W of Green Valley Comment
  RSA177943  Ceanothus foliosus var. vineatus Robert F. Thorne 1965-4-19 34318 Sonoma Vine Hill School Road 1/2 mile from Vine Hill Road. 76 Comment
  RSA300966  Ceanothus foliosus var. vineatus D. C. Michener 1982-7-26 4118 Sonoma Vine Hill School road, 100' west of Vine Hill school, lot west of residence 6096; north road bank between vineyard and road Comment
  CAS-BOT-BC50003  Ceanothus gloriosus John Thomas Howell 1935-5-5 12615 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50015  Ceanothus gloriosus John Thomas Howell 1937-4-11 12903 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49947  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6693 Sonoma Arroyos, Vine Hill district, 9 miles west of Santa Rosa Comment
  LA43584  Ceanothus gloriosus var. exaltatus Henry Reents; 1936-5-2 sn Sonoma 0.5 mi. past slough, on rd. to Rio Nido Comment
  CAS-BOT-BC50955  Ceanothus integerrimus Maxine Wilkes 1933-6-1 s.n. Sonoma Mts near Cloverdale Comment
  CAS-BOT-BC50720  Ceanothus integerrimus var. macrothyrsus Helen D. Geis 1902-1-1 s.n. Sonoma unspecified Comment
  CAS-BOT-BC50642  Ceanothus jepsonii John Thomas Howell 1933-4-2 10959 Sonoma 2 miles e. of Occidental Comment
  RSA1148  Ceanothus jepsonii B. D. Stark 1929-7-22 1381 Sonoma Sonoma-Mendocino County line. Comment
  UC1070782  Ceanothus jepsonii E. Armstrong 1934-3-26 935 Sonoma 4 mi nw Camp Meeker; Sebastopol quad Comment
  UCD158875  Ceanothus jepsonii James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2906 Sonoma Mayacmas Mountains; northwest corner of Section 15, The Geysers. (Elevation estimated by label maker using Google Earth.) 609 Comment
  SEINET12211130  Ceanothus jepsonii var. albiflorus Unknown 1985-1 50182 Sonoma Dry Cr. area nr Healdsburg, ridge W of Dry Cr Valley, unnamed road n of Dorman Cyn 244 Comment
  CAS-BOT-BC51883  Ceanothus parryi Brandegee 1889-6-1 s.n. Sonoma Mt. St. Helena Comment
  POM136669  Ceanothus parryi A. A. Heller, H. E. Brown 1902-5-29 5620 Sonoma Mt. Hood. Comment
  UC73362  Ceanothus parryi Milo S. Baker 1898-4-23 28 Sonoma Santa Rosa Creek Canyon Comment
  UCD170336  Ceanothus parryi D. O. Burge 2016-11-3 2195 Sonoma Mount Saint Helena, roadside on Ida Clayton Road. 600 Comment
  SEINET12211132  Ceanothus parryi Unknown 1985-1 50183 Sonoma W of Healdsburg, Dry Creek area, ridge W of Dry Creek Valley & N of Dorman Canyon (Crane 244 Comment
  UCD112879  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
  LA44965  Ceanothus prostratus Henry Reents; 1936-5-8 sn Sonoma Rincon Ridge, NE of Santa Rosa Comment
  CAS-BOT-BC53046  Ceanothus sonomensis Cliff Schmidt; Walter Knight 6055 Sonoma Cavedale Road 274 Comment
  CAS-BOT-BC53050  Ceanothus sonomensis Milo S. Baker 1946-2-14 11266 Sonoma Hope Valley near Chamberlain Place, region of Kenwood Comment
  CAS-BOT-BC52417  Ceanothus velutinus var. velutinus Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano Comment
  CAS-BOT-BC281968  Centaurea benedicta Volney Rattan 1877-6-23 s.n. Sonoma Healdsburg Comment
  CDA33632  Centaurea iberica R. Breckenridge, A. Smith, K. Filippini 2010-7-21 PDR# 1313479 Sonoma Calistoga; La Franchi Ranch, State Hwy 128. 0 Comment
  JEPS44124  Centaurea solstitialis W. L. Jepson 1914-9-19 6190 Sonoma Agua Caliente Sonoma Valley, Agua Caliente 25 Comment
  NY444437  Centaurea solstitialis L. Abrams 1916-7-4 5794 Sonoma Road between Petrified Forest and Mark West Comment
  JEPS38160  Centromadia fitchii W. L. Jepson 9433 a Sonoma Alexander Valley Comment
  CAS-BOT-BC288814  Centromadia fitchii John Thomas Howell 1930-9-14 5485 Sonoma 6 miles N of Geyserville Comment
  CAS-BOT-BC279398  Centromadia pungens subsp. pungens Walter Knight; Irja Knight 1963-8-29 186 Sonoma Keokuk St., near St Vincent's High School, Petaluma Comment
  RSA785923  Centromadia pungens subsp. pungens Peter Rubtzoff 1970-5-30 6252 Sonoma 5 mi. north of Sears Point. Comment
  CAS-BOT-BC388435  Cerastium glomeratum Catherine Best 1982-3-20 s.n. Sonoma On a flat area off Green Hill Rd. about 2 mi east of Occidental Comment
  CAS-BOT-BC400222  Ceratophyllum demersum Greg de Nevers 1991-8-8 9769 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In largest Double Pond 475 Comment
  CAS-BOT-BC400225  Ceratophyllum demersum Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  UCD113060  Cercocarpus betuloides var. betuloides Frederica Bowcutt 1994-6-25 1908 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. Gray Pine Trail >1/2 mile N of trailhead on Meadow Trail, E of Sonoma Creek. 445 Comment
  RSA437541  Chamaemelum fuscatum R. C. Bacigalupi 1948-4-4 2870 Sonoma In vineyard, ca. 2 mi. so. of Asti, along US 101 Comment
  CAS-BOT-BC279784  Chamaemelum fuscatum John H. Thomas 1966-3-18 11481 Sonoma Edge of vineyard at Italian Swiss Colony vineyard at Asti Comment
  UC1242071  Cheilanthes intertexta Don Branscomb 1961-2-27 Sonoma Comment
  CAS-BOT-BC166667  Chenopodium Peter Rubtzoff 1972-7-22 6831 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC166671  Chenopodium Peter Rubtzoff 1971-8-9 6639 Sonoma Laguna, Chileno Valley. Comment
  UC1563651  Chenopodium pumilio Barbara Ertter 1988-11-5 8032 Sonoma ca 5 mi due s Cloverdale (point below Little Flat parking area, Lake Sonoma, w of bridge); Lake Sonoma 152 Comment
  JEPS50856  Chlorogalum pomeridianum var. pomeridianum H-M. Beard Jun 26 1967-Jun 27 1967 61 .104 Sonoma Comment
  RSA143967  Chlorogalum pomeridianum var. pomeridianum Roxana S. Ferris, Laura Lorraine 1961-6-14 13527 Sonoma Junction of Bittner Rd. with Joy Rd. between Occidental and Bodega. Comment
  CDA33645  Chondrilla juncea Robin Breckenridge & Katie Filippini 2010-7-22 PDR# 1313480 Sonoma Petaluma; Hwy 101 at Lakeville Rd./Hwy 116 exit. 0 Comment
  CAS-BOT-BC361397  Chorizanthe Greg de Nevers 1993-5-10 10442 Sonoma Bodega Dunes State Beach, just north of Bodega Head. 0 Comment
  CAS-BOT-BC191511  Chorizanthe cuspidata var. villosa W. P. Vestal; A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head Comment
  CAS-BOT-BC257027  Chorizanthe membranacea Anna F. Rodda 1929-5-6 s.n. Sonoma Geyserville Comment
  JEPS117090  Cicendia quadrangularis Peter Warner 2010-5-12 149 Sonoma Jenner Headlands, in saddle meadow along Willig Extension Drive (main dirt road on property), 2.06 km past barn; E side of road, S edge of grassland along forest ecotone; on divide between upper SE Russian Gulch and Jenner Gulch watersheds Comment
  CAS-BOT-BC176384  Cichorium intybus Peter Rubtzoff 1966-8-25 5808 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC285250  Cichorium intybus W. W. Carruth 1900-7-1 s.n. Sonoma Near Healdsburg Comment
  CAS-BOT-BC285253  Cichorium intybus Walter Knight; Irja Knight 1963-8-31 216 Sonoma Cor. Todd Rd & freeway Comment
  UCR244695  Cirsium Peter Rubtzoff 1970-9-3 6368 Sonoma above Shell Beach in Sonoma Coast State Beach area 122 Comment
  CAS-BOT-BC290556  Cirsium Peter Rubtzoff 1960-6-11 4499 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  UC178903  Cirsium brevistylum Katharine Brandegee 1905-6-25 Sonoma Bodega Comment
  UCD161669  Cirsium cymosum James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3369 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  POM53745  Cirsium douglasii var. breweri A. A. Heller 1902-7-2 5804 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC285709  Cirsium occidentale var. occidentale Ella Dales Cantelow 1941-6-7 3555 Sonoma State Hy 1 w. of Bodega Comment
  UC1618422  Cirsium occidentale var. venustum Barbara Ertter, Lincoln Constance 1993-7-10 12100 Sonoma 5 mi. beyond pavement on Rockpile Rd. w. of Lake Sonoma (rd. to Annapolis) Comment
  UCD130628  Cirsium quercetorum Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-24 58 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC280533  Cirsium quercetorum Mrs. H. C. Cantelow 1936-5-3 s.n. Sonoma Near El Verano Comment
  CAS-BOT-BC285749  Cirsium remotifolium John Thomas Howell 1936-7-26 12664 Sonoma 2 1/2 miles from Camp Meeker on road to Monte Rio Comment
  CAS-BOT-BC285753  Cirsium remotifolium John Thomas Howell 1937-7-4 13070 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC285750  Cirsium remotifolium Alice Eastwood; John Thomas Howell 1938-7-6 6088 Sonoma Alder Glen Springs Comment
  UC91787  Cirsium remotifolium var. odontolepis T. S. Brandegee 1893-6-30 Sonoma Cazadero Comment
  CAS-BOT-BC438976  Cistanthe monosperma Annie F. Rodda 1929-5-6 s.n. Sonoma Geyserville Comment
  CAS-BOT-BC169774  Cistanthe quadripetala Maxine Wilkes 1940-5-1 s.n. Sonoma Mt. St. Helena Comment
  UCD166463  Citrullus lanatus Peter Rubtzoff 1955-10-12 2169 Sonoma Vacation Beach, near Guerneville. Comment
  UC113992  Clarkia amoena Katharine Brandegee 1908-7-22 Sonoma Burbank's Garden Santa Rosa 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
  SD39468  Clarkia amoena subsp. amoena Edith A. Purer 1932-7-14 Sonoma Between Bodega Bay and Santa Rosa Comment
  UC107827  Clarkia amoena subsp. amoena Katharine Brandegee 1905-6-26 Sonoma Bodega Bay Comment
  POM180690  Clarkia amoena subsp. amoena J. T. Howell 1930-7-27 5410 Sonoma 8 miles south of Fort Ross Comment
  POM225182  Clarkia amoena subsp. amoena P. A. Munz 1936-8-8 14311 Sonoma Coast 5 miles north of Jenner Comment
  JEPS82306  Clarkia amoena subsp. huntiana Roger Raiche 1983-7-5 30483 Sonoma ne of Plantation (Tin Barn Road, 3.5 mi n of King Ridge Road) Comment
  UC1072039  Clarkia amoena subsp. huntiana H. and M. Lewis 1947-6-15 434 Sonoma 3.7 mi s Fort Ross Historical Monument (Highway 1) Comment
  CAS-BOT-BC163513  Clarkia amoena subsp. huntiana Peter Rubtzoff 1951-8-26 688 Sonoma At base of hill near the road from East Guernewood to Vacation Beach (Guerneville region) Comment
  RSA108390  Clarkia amoena subsp. huntiana Harlan Lewis, M. Lewis 1951-7-10 870 Sonoma 0.1 mile west of Mark West Spring Comment
  CAS-BOT-BC172207  Clarkia concinna Rimo Bacigalupi 1926-5-2 1397 Sonoma Cazadero Comment
  CAS-BOT-BC172212  Clarkia concinna Roxana S. Ferris; Laura Lorraine 1961-6-15 13550 Sonoma Green Valley Road, 0.8 mi. E of junction with Harrison Grade Road Comment
  CAS-BOT-BC172215  Clarkia concinna M. S. Baker 1898-5-7 s.n. Sonoma Glen Ellen Comment
  LA206049  Clarkia concinna H. Lewis; 1951-7-10 868 Sonoma 0.7 mi W of Mark West Spring Comment
  SEINET6165015 Image available Clarkia concinna Unknown 1981-5-18 s.n. Sonoma Pine Mountain turnoff, Ida Clayton Rd. 914 Comment
  RSA209516  Clarkia concinna subsp. concinna Peter Rubtzoff 1952-6-9 1184 Sonoma North slopes of Fitch Mountain, near Healdsburg Comment
  CDA15740  Clarkia gracilis subsp. sonomensis G. F. Hrusa 1998-6-14 14592 Sonoma Knights Valley; side of Ida Clayton Rd., ~1.5 mi. E of Hwy. 128, NW shoulder of Mt. St. Helena. Comment
  UC725843  Clarkia gracilis subsp. sonomensis A. A. Heller 1941-6-4 16162 Sonoma several mi e Santa Rosa (on the road to Sonoma) Comment
  CAS-BOT-BC163138  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 17 Sonoma One-half mile east of Glen Ellen 30 Comment
  SD51810  Clarkia imbricata Peter H. Raven, Richard Snow 1958-7-23 13691 Sonoma Very near type locality; common in grassy field at 4551 Vine Hill Road near Pitkin Marsh. Comment
  UC424794  Clarkia purpurea subsp. quadrivulnera unknown 1930-6-6 4166 C Sonoma between Wake Robin Lodge and Brunner Comment
  CAS-BOT-BC164587  Clarkia purpurea subsp. viminea Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 12 miles west of Hwy 101 Comment
  POM187327  Clarkia unguiculata Marcus E. Jones 1931-7-5 29038 Sonoma The Geysers. Comment
  CAS-BOT-BC165674  Clarkia unguiculata Freed W. Hoffman 1947-6-4 509 Sonoma Upper reaches of East Austin Creek, Rocky Mountain Comment
  SEINET12194280  Clarkia unguiculata F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -196 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 740 Comment
  CAS-BOT-BC439407  Claytonia gypsophiloides A. A. Heller; H. E. Brown 1902-3-16 5073 Sonoma Russian River, near Trenton Comment
  CAS-BOT-BC439412  Claytonia gypsophiloides Ira L. Wiggins 1949-4-30 12062 Sonoma 6.8 miles east of Santa Rosa on road to Calistoga Comment
  CAS-BOT-BC439415  Claytonia gypsophiloides Alice Griffin 1922-4-1 s.n. Sonoma El Verano Comment
  JEPS128323  Claytonia gypsophiloides Roger Raiche 2000-3-11 004 .00 Sonoma The Cedars. Lower Russian, Big Austin Creek watershed. Comment
  UC1587551  Claytonia gypsophiloides K. L. Chambers 1977-3-29 4253 Sonoma 3.7 mi nw Hwy. 128 (Cloverdale to Boonedale rd.) jct. with Hwy. 101 (near Cloverdale) Comment
  UC75507  Claytonia gypsophiloides Milo S. Baker 1898-3-19 721 Sonoma Happy Valley Comment
  SEINET5173903  Claytonia perfoliata Unknown 1994-4-3 74 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  CAS-BOT-BC439956  Claytonia perfoliata subsp. mexicana A. A. Heller; H. E. Brown 1902-3-16 5077 Sonoma Russian River, near Trenton Comment
  RSA785705  Claytonia perfoliata subsp. perfoliata Carrie A. Herd 1982-4-25 82 Sonoma Crane Creek Regional Park Comment
  CAS-BOT-BC92748  Clematis ligusticifolia Peter Rubtzoff 1962-9-16 5087 Sonoma Vacation Beach, 1.5 mile below Guerneville. Along Russian River. Comment
  UC372781  Clematis ligusticifolia Marcus E. Jones, A. M. 1882-7-18 Sonoma Duncan's Mill's Comment
  UC9087  Clematis ligusticifolia F. T. Bioletti 1892-7-2 Sonoma Mark West Creek Comment
  CAS-BOT-BC499956  Clintonia andrewsiana Mrs. H. C. Cantelow 1934-4-29 495 Sonoma Bank of Gualala River Comment
  UCD55149  Collinsia heterophylla Ellen Dean; Tammie Beyerl 2006-4-28 3031 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 260 Comment
  SEINET12329976  Collinsia heterophylla F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -206 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 440 Comment
  JEPS13365  Collinsia sparsiflora var. arvensis H. E. and S. T. Parks 1930-5-10 842 (793) Sonoma Knights Valley 121 Comment
  UC796637  Collinsia sparsiflora var. arvensis Ira L. Wiggins 1949-4-30 12065 Sonoma four mi w Calistoga (just within county line) Comment
  POM182699  Collinsia sparsiflora var. arvensis D. D. Keck 1931-4-2 999 Sonoma Boyes Springs 30 Comment
  UCD151166  Collinsia sparsiflora var. sparsiflora James A. Neilson Jr. 1974-3-27 3016 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  UC23632  Collomia heterophylla Harley P. Chandler 1900-5-25 662 Sonoma Bodega Comment
  UC30212  Collomia heterophylla H. N. Bolander 1864-1 3860 Sonoma bed Russian River Comment
  SEINET12332731  Collomia heterophylla W. Irja, Knight, T. 1985-1 5147 Sonoma Annapolis on Kelly Road Comment
  UCD127305  Conium maculatum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-5 122 Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC288915  Conyza canadensis Peter Rubtzoff 1951-9-2 724 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  UC444905  Cordylanthus pilosus subsp. pilosus V. King Chestnut 1887-7 Sonoma Santa Rosa Comment
  CAS-BOT-BC238224  Cordylanthus tenuis subsp. brunneus Greg de Nevers 1991-7-15 9758 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  CAS-BOT-BC238231  Cordylanthus tenuis subsp. capillaris Catherine Best 1985-8-24 1140 Sonoma On Stoetz Lane about 2 mi northeast of Occidental Comment
  JEPS33009  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1947-9-5 1251 Sonoma between Tyrone and Camp Meeker (Dutch Bill Creek) Comment
  CAS-BOT-BC212285  Cornus glabrata Peter Rubtzoff 1952-5-31 1105 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC210429  Cornus sericea Peter Rubtzoff 1951-7-22 534 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC210438  Cornus sericea J. W. Congdon 1880-6-6 s.n. Sonoma Bloomfield Comment
  HSC100847  Cortaderia jubata J. P. Smith, J. O. Sawyer, & R. J. Cole 2009-10-11 12695 Sonoma Along Bay Highway (Hwy. 1) in Bodega Bay. 15 Comment
  UCSB1014  Corylus cornuta subsp. californica Keator, Glenn 1959-4-2 Sonoma 0.6 miles north of junction of Laguna road and 5.1 miles north of Sebastopol in Vinehill region Comment
  CAS-BOT-BC173671  Cotula coronopifolia Peter Rubtzoff 1959-6-6 4101 Sonoma Willow Creek Marsh. Comment
  SFV8415  Cotula coronopifolia B. Stanfield 1966-5-8 30 Sonoma Sandy flats near beach, 0.5 miles south of Bodega Bay. Comment
  UCD148403  Cotula coronopifolia Peter Rubtzoff 1958-5-17 3660 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occiental Road). Comment
  CDA25350  Cotyledon orbiculata G. D. Bissel 1965-9-22 Sonoma Oscar Miller ranch, west of Petaluma. 0 Comment
  CAS-BOT-BC427653  Crassula aquatica Peter Rubtzoff 1972-5-25 6757 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC427649  Crassula aquatica Peter Rubtzoff 1959-4-19 4040 Sonoma Laguna de Santa Rosa east of Sebastopol, near Santa Rosa road crossing. Comment
  CAS-BOT-BC427650  Crassula aquatica Peter Rubtzoff 1958-4-26 3599 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC427918  Crassula connata Catherine Best 1987-3-28 1238 Sonoma Bodega Head Comment
  CAS-BOT-BC427690  Crassula connata A. A. Heller; H. E. Brown 1902-4-14 5286 Sonoma Near Mark West Springs Comment
  CHSC59106  Crassula solieri Reid Moran; Chas. Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional National Park, 1 km E of Glen Ellen (Rt. 12 0.5km S of Arnold Drive). 110 Comment
  CAS-BOT-BC368038  Crataegus Greg de Nevers 1998-10-2 11309 Sonoma Santa Rosa; Santa Rosa Creek at Fulton Road Comment
  SEINET11909863  Crataegus douglasii W. Knight, Knight, I. 1982-1 4609 Sonoma between Occidental and Freestone Comment
  CAS-BOT-BC143508  Crataegus gaylussacia Peter Rubtzoff 1958-5-3 3614 Sonoma Atascadero Creek Marsh Comment
  RSA155431  Crataegus suksdorfii L. S. Rose 1962-6-1 62066 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  RSA534716  Crataegus suksdorfii Peter Rubtzoff 1973-10-10 7344 Sonoma Bank of a dry creek, 2 miles W of Bloomfield Comment
  CAS-BOT-BC257333  Crocosmia X crocosmiiflora Peter Rubtzoff 1970-10-3 6412 Sonoma Bodega Harbor Marsh. Comment
  SEINET6631294 Image available Croton setiger Gladys L. Smith 1961-1 1454 Sonoma Geysers, near P.G. and E. power house 823 Comment
  CDA37890  Crupina vulgaris CDFA Staff 1991-1 s.n. Sonoma 0 Comment
  CDA4464  Crupina vulgaris H. K. Wagnon, J. T. Vale 1989-6-3 1896 Sonoma Anradel State Park, Santa Rosa. 0 Comment
  CAS-BOT-BC190102  Crypsis schoenoides Peter Rubtzoff 1960-9-17 4572 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  CAS-BOT-BC190105  Crypsis schoenoides Peter Rubtzoff 1970-5-30 6243 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC190145  Crypsis schoenoides Greg de Nevers 1992-10-15 10252 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek. 304 Comment
  CAS-BOT-BC366890  Crypsis schoenoides Greg de Nevers 1997-9-29 11098 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  CAS-BOT-BC368011  Crypsis schoenoides Greg de Nevers 1989-12-3 9119 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Natural Pond. 400 Comment
  UCD59946  Crypsis schoenoides David L. Morgan 1960-8-1 s. n. Sonoma 1/2 mile south of Penngrove on Hwy. 101. Willow Creek. Comment
  UC1186500  Cryptantha leiocarpa Peter M. Ray 1952-5-30 2299 Sonoma n of Bodega Head (between Bodega Harbor and the ocean (near harbor just s of the marsh indicated on Bodega Head quadrangle)) Comment
  CAS-BOT-BC164356  Cucurbita Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa, N of Sebastopol (near Occidental Road). Comment
  RSA17622  Cupressus macnabiana C. B. Wolf, E. R. Johnson 1934-10-18 6198 Sonoma Head of Hooker Canyon, 4.7 miles east of Sonoma - Kenwood Road. 549 Comment
  UCD133535  Cupressus macnabiana Jo Ann Olson; Gary R. Robbins 1969-3-1 9 Sonoma On Cavedale Road, 1 mile southwest of Mt. Veeder. 609 Comment
  SEINET11739328  Cupressus macnabiana W. Knight, Knight, I.; Howell, J. T. 1984-1 5077 Sonoma above Hooker Canyon on Cavedale Road 640 Comment
  JEPS79415  Cupressus macrocarpa Edward Lee with W. A. Setchell 1936-6-7 2189 Sonoma South ridge Fire Trail Bohemian Grove (Bohemian Grove, lower trees forming a very extensive area) Comment
  SEINET3863365  Cupressus macrocarpa Kaye H. Thorne 1984-11-25 3635 Sonoma Sea Ranch, 2.5 mi S Gualala, stabilized coast dunes old sheep ranch.; 0 Comment
  CAS-BOT-BC85427  Cupressus sargentii W. Knight; Irja Knight 1963-11-21 2500 Sonoma Harrison Grade between Graton and Occidental Comment
  CAS-BOT-BC85461  Cupressus sargentii John Thomas Howell 1933-4-2 10960 Sonoma Serpentine ridge, 2 miles east of Occidental Comment
  CAS-BOT-BC85467  Cupressus sargentii J. Clausen 1933-3-26 749 Sonoma Summit of Harrison Grade; on serpentine rock and gravel. Between Graton and Occidental Comment
  CAS-BOT-BC85471  Cupressus sargentii Carl Brandt Wolf; E. R. Johnson 1934-10-13 2140 Sonoma 2 8/10 mi. from Camp Meeker on road to Monte Rio 60 Comment
  UC567067  Cupressus sargentii Mason 1932-7-19 123 Sonoma 3/5 mi nw Los Alamos School; Santa Rosa Quadrangle 571 Comment
  RSA129446  Cupressus sargentii E. Armstrong 1934-3-26 923 Sonoma 2 miles north of Camp Meeker 122 Comment
  CDA41304  Cuscuta howelliana G. F. Hrusa, A. Buckman (DFG) 1996-10-5 13583 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Sheet 2 of 3. Comment
  RSA785056  Cuscuta howelliana Peter Rubtzoff 1976-6-18 8648 Sonoma False Lake Meadow area. Annadel State Park Comment
  UCD164703  Cuscuta howelliana Peter Rubtzoff; Nancy Harrison 1976-6-18 8648 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UC31350  Cynara cardunculus subsp. cardunculus unknown 1899-7-9 116 Sonoma Sebastopol Comment
  CAS-BOT-BC190301  Cynodon dactylon Peter Rubtzoff 1955-7-24 1983 Sonoma Forestville Marsh. Comment
  RSA126600  Cynodon dactylon H. S. Yates 1937-5-30 6539 Sonoma 1.5 miles northeast of Graton 30 Comment
  UCSB28101  Cynoglossum grande Phelps, M. 1972-2-18 Sonoma 1000 yds. west of Old Bale Mill Historic Landmark, St. Helena 365 Comment
  HSC3649  Cynoglossum grande F. Demostene 1966-4-12 50 Sonoma 25 mi. W of Healdsburg Comment
  SEINET12329972  Cynoglossum grande F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -192 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  RSA47614  Cynosurus echinatus Roxana S. Ferris, Laura Lorraine 1948-6-9 11663 Sonoma 11 miles from Geyserville on road to Kellogg. Comment
  UC796492  Cynosurus echinatus Roxana S. Ferris and Laura Lorraine 1948-6-9 11663 Sonoma on road to Kellogg 11 mi from Geyserville Comment
  UCR248758  Cynosurus echinatus Peter Rubtzoff 1978-6-11 9209 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley 35 Comment
  CAS-BOT-BC190426  Cynosurus echinatus David L. Morgan 1956-5-17 s.n. Sonoma On Burnside Road, 200 yards south of the junction of Barnett Valley Road. Comment
  UC837657  Cyperus eragrostis Milo S. Baker 1937-9-29 6037 Sonoma 4 mi. s.e. Sonoma (on Vineburg-Napa rd.) Comment
  CAS-BOT-BC114338  Cyperus esculentus Fembrini 1932-5-27 s.n. Sonoma Cloverdale. Comment
  CAS-BOT-BC113913  Cyperus niger var. capitatus Peter Rubtzoff 1959-8-30 4242 Sonoma Drake's Beach, near Guerneville. Open, wet gravelly margin of Russian River. Comment
  CAS-BOT-BC113910  Cyperus niger var. capitatus Peter Rubtzoff 1964-8-26 5477 Sonoma Marsh 5 mi NE of Penngrove on Lichan Rd. 213 Comment
  POM168009  Cypripedium montanum Volney Rattan 1879-06 s.n. Sonoma Near Cloverdale Comment
  CDA9638  Cystopteris fragilis D. G. Kelch 2007-5-13 7 .296 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  UCD105683  Cytisus scoparius Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 62 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 259 Comment
  UCD60196  Dactylis glomerata Mary M. Hektner; Sue Dakuzaku 1974-6-4 21 Sonoma Near State Hwy 1, Unit 24 Owners' Map, Sea Ranch; surrounding Kirkwood house. Comment
  UCD60293  Dactylis glomerata Collector unknown 1941-5-1 Sonoma Santa Rosa, McDonald Ave. Comment
  SEINET10515575  Dactylis glomerata A. Arthur Heller 1902-6-7 Heller 5657 Sonoma Bennett Valley, SE of Santa Rosa. Comment
  UC1100154  Damasonium californicum Herbert L. Mason 1928-4-13 4325 Sonoma near Petaluma Petaluma Comment
  UC115528  Damasonium californicum unknown May 8 1880-Jun 7 1880 Sonoma near Petaluma Petaluma Comment
  CAS-BOT-BC192272  Danthonia californica G. DeNevers 1981-7-1 1719 A Sonoma On the trail to the Studio. Pepperwood Ranch Comment
  CAS-BOT-BC192275  Danthonia californica G. DeNevers; S. Kaza 1981-5-7 969 Sonoma 10510 Old Redwood Hwy. 2 mi NW of Windsor exit from 101, vacant lot by Healdsburg Rent-All Comment
  CAS-BOT-BC192284  Danthonia californica P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar 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
  UCD60307  Danthonia californica R. Tofsrud 1941-5-1 28 Sonoma Behind old Santa Rosa Cemetery. Comment
  UCD60469  Danthonia californica R. Tofsrud 1947-6-17 s.n. Sonoma 1.5 mi. S of Jenner Bridge, Hwy. 1. Comment
  UCD60473  Danthonia californica Winfield H. Hart 1965-2-2 s.n. Sonoma Sonoma Coast State Park, Shell Beach. Comment
  UCR280018  Danthonia californica Peter Rubtzoff 1974-5-18 7414 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  UCD60686  Danthonia californica var. americana R. Tofsrud 1941-4-1 27 Sonoma Near Wright School. Comment
  UC1023586  Danthonia californica var. americana Virginia Bufford 1935-5-4 33 Sonoma Country Club Santa Rosa (1st Green) Comment
  UCD33239  Danthonia californica var. americana Beecher Crampton 1967-5-15 7935 Sonoma Sonoma County, 14 miles N.W. of Calistoga on Hwy. 128 near Chalk Hill road. Comment
  RSA126595  Danthonia californica var. californica H. S. Yates 1937-5-30 6540 Sonoma 1.5 miles northeast of Graton. 30 Comment
  UC26120  Datura stramonium J. Burtt Davy Aug. 1896 4133 Sonoma Russian River Station U.P.C.R. Comment
  CAS-BOT-BC154138  Datura stramonium var. tatula Peter Rubtzoff 1951-8-5 593 Sonoma Mirabel Park, 1.5 miles north of Forestville. Comment
  SJSU396  Daucus carota A. W. Jacobs 1938-6-15 Sonoma W bank Russian R near Hilton Comment
  CAS-BOT-BC293813  Deinandra corymbosa Rimo Bacigalupi 1928-6-18 1902 Sonoma At mouth of Salmon Creek 2 miles north of Bodega Bay Comment
  CAS-BOT-BC293810  Deinandra corymbosa Mary M. Hektner 1975-8-14 223 Sonoma Road cut not far from hedgerow separating Units 28 and 34-A Owners' Map, Sea Ranch, near State Highway 1 Comment
  CAS-BOT-BC9025  Delphinium decorum Milo S. Baker 1926-4-14 186 a Sonoma Bodega Bay Comment
  SBBG2150  Delphinium hesperium subsp. hesperium H. and M. Dearing 1933-5-14 384 Sonoma Cloverdale, Hopland grade Comment
  UC1299394  Delphinium hesperium subsp. hesperium Freed W. Hoffman 1950-4-27 3475 Sonoma near Hacienda (Roy Litton Ranch); North Coast Ranges 304 Comment
  CAS-BOT-BC10095  Delphinium luteum Milo S. Baker 1926-4-14 186 d Sonoma Between Bodega and the Bay Comment
  CAS-BOT-BC10099  Delphinium luteum John Thomas Howell 1931-4-18 6414 Sonoma Larkspur Rock, near Bodega Bay Comment
  CAS-BOT-BC33152  Delphinium luteum Amos Arthur Heller; H. E. Brown 1902-4-11 5256 Sonoma Bodega Bay Comment
  POM299321  Delphinium luteum Lester Rowntree 1932-6-12 s.n. Sonoma Near Bay Comment
  UC58221  Delphinium nudicaule A. A. Heller 1903-4-23 6604 Sonoma Fort Ross Comment
  RSA304847  Delphinium nudicaule James R. Shevock 1971-3-21 814 Sonoma Near Sugarloaf St Park 152 Comment
  UCR198239  Dendromecon rigida Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .266 Sonoma Cavesdale Road 518 Comment
  UCD61085  Deschampsia cespitosa Peter Kamb; Francia Chisaki 1950-6-16 1861 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners. Comment
  CAS-BOT-BC192607  Deschampsia cespitosa subsp. holciformis John Thomas Howell 1945-5-30 20898 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC192612  Deschampsia cespitosa subsp. holciformis Herbert L. Mason 1946-7-4 12885 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  CAS-BOT-BC192615  Deschampsia cespitosa subsp. holciformis David L. Morgan 1960-7-10 s.n. Sonoma Bodega coast 1 mi. south of Carmet 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-BC201649  Deschampsia danthonioides W. L. Jepson 1911-4-30 4183 Sonoma Sonoma Valley Comment
  CAS-BOT-BC201650  Deschampsia danthonioides J. W. Congdon 1880-5-6 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC376437  Deschampsia danthonioides Greg de Nevers 1997-5-13 10999 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat. 400 Comment
  CAS-BOT-BC201952  Deschampsia elongata Greg de Nevers 1996-6-17 10832 Sonoma CYO camp south of Occidental on Bohemian Hwy. 121 Comment
  CAS-BOT-BC201955  Deschampsia elongata Peter Rubtzoff 1959-6-6 4099 Sonoma Willow Creek Marsh Comment
  RSA126943  Deschampsia elongata H. S. Yates 1936-5-16 5607 Sonoma 1 mile N.W. of Mountain View School; Sebastopol 91 Comment
  RSA785841  Deschampsia elongata Peter Rubtzoff 1964-6-24 5373 Sonoma Lower Salmon Creek Marsh. Comment
  UCD63470  Deschampsia elongata Beecher Crampton 1957-7-11 4308 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  SEINET3927657  Deschampsia holciformis Fred W. Hoffman 1943-5-9 2204 Sonoma Bodega Park, Sonoma Coast.; 0 Comment
  SEINET11671649  Desmazeria rigida Unknown 1940-1 964 Sonoma Wood residence, 349 Second Ave, Santa Rosa Comment
  UCD63895  Desmazeria rigida Leo Koch 1940-5-19 964 Sonoma Wood residence, 349 Second Avenue, Santa Rosa. Comment
  HSC104249  Dichanthelium lanuginosum var. thermale R. York, Sally de Becker, Laurie Wickenheiser, Joe O'Hagan 1990-7-24 90001 Sonoma The Little Geysers, south of Little Geysers Creek Comment
  SEINET12058504  Dichelostemma capitatum F. H. Utech 1995-3-26 95 -50 Sonoma WNW of Lake Sonoma, junction Kelly Road & Rockpile Road Comment
  UC1133902  Dichelostemma capitatum E. Armstrong 1934-3-26 930 Sonoma 2 mi n Camp Meeker; Sebastopol Quad. 91 Comment
  CAS-BOT-BC502208  Dichelostemma capitatum L. R. Abrams 1918-4-27 6907 Sonoma Independence School near Healdsburg 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
  UCD64005  Digitaria sanguinalis Collector Unknown 1941-11-1 Sonoma Santa Rosa Cr. by old S.P. R.R. Comment
  CAS-BOT-BC152036  Diplacus aurantiacus L. R. Abrams 1916-7-3 5780 Sonoma Petrified Forest Comment
  CAS-BOT-BC151881  Diplacus congdonii John Thomas Howell 1937-4-11 12892 Sonoma Triniti Mt. east of Glen Ellen Comment
  CAS-BOT-BC151971  Diplacus douglasii Milo S. Baker; Miss Griffin 1925-4-9 269 b Sonoma Near Brunner's, Sonoma Mt. Comment
  SEINET12326112  Dipsacus fullonum W. Knight, Knight, I. 1983-1 4710 Sonoma Calistoga Road 3 mi from State Rt 12, 300 yards N of summit 152 Comment
  UCR30861  Dipsacus sativus John C. Roos 1948-8-29 3962 Sonoma North Coast Ranges, Healdsburg Comment
  CAS-BOT-BC331486  Distichlis Peter Rubtzoff 1971-8-23 6646 Sonoma Spring Hill Road 0.8 miles southeast of Bodega Highway (Two Rock church). Comment
  CAS-BOT-BC182753  Distichlis spicata Peter Rubtzoff 1955-8-20 2065 Sonoma Bodega Harbor Marsh. Comment
  UCD64174  Distichlis spicata Beecher Crampton 1959-6-16 5401 Sonoma Doran Park, south end of Bodega Bay. Comment
  JEPS76928  Dodecatheon hendersonii Robert M. Lloyd 1963-2-24 2051 Sonoma 3 mi ne Forestville (on road to US 101) Comment
  UC1123264  Dodecatheon hendersonii B. O. Schreiber 1938-2-27 2467 Sonoma 2 mi wnw Mark West Springs; Healdsburg Quad. 121 Comment
  SBBG40349  Dodecatheon hendersonii W. J. Dress 1951-2-19 Sonoma ca. 8 mi W of Calistoga Comment
  CAS-BOT-BC156312  Downingia concolor var. concolor Peter Rubtzoff 1969-5-3 6024 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  JEPS86773  Downingia concolor var. concolor Jack and Betty Guggolz 1990-5-4 1046 Sonoma 1.25 mi w Fulton Road (n side of Piner Road, in the sw corner of a Simi Winery vineyard) 30 Comment
  UC726434  Downingia concolor var. concolor A. A. Heller 1941-5-17 16135 Sonoma 2 mi n Windsor (on U.S. Highway 101) Comment
  RSA0002274  Downingia cuspidata F. T. Bioletti 1893-6-10 s.n. Sonoma Los Giulucos. Comment
  JEPS77864  Downingia pusilla Robert M. Lloyd 1965-5-8 2627 Sonoma 3 mi n Highway 12 junction with Aqua Caliente Road (on Highway 12, meadow across from Lawrence Triangle End Garage) Comment
  CAS-BOT-BC159441  Drymocallis glandulosa var. glandulosa Alice Eastwood 1915-6-5 4588 Sonoma Petrified Forest Comment
  CAS-BOT-BC159462  Drymocallis glandulosa var. glandulosa L. R. Abrams 1916-7-4 5792 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC527348  Drymocallis glandulosa var. reflexa F. G. Krauss 1894-5-1 s.n. Sonoma Mountains near Calistoga Comment
  RSA123329  Drymocallis glandulosa var. wrangelliana H. S. Yates 1934-4-21 3755 Sonoma Near Bodega. 61 Comment
  UCD136430  Dryopteris arguta Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1754 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. 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
  UC1201281  Dryopteris arguta E. Samuels 233 Sonoma Comment
  UC1936226  Dryopteris expansa W. Born Jun 2008 s. n. Sonoma Pomo Canyon Campground, Sonoma Co. coast Comment
  JEPS49908  Dudleya caespitosa W. L. Jepson 1923-6-23 10016 Sonoma Sonoma Canyon Kenwood Comment
  CAS-BOT-BC428178  Dudleya cymosa subsp. cymosa A. A. Heller 1940-5-10 15609 Sonoma Along Wheatfield Fork of the Guala [Gualala] River on the Stewart Point-Skagg's Springs road. Comment
  CAS-BOT-BC428376  Dudleya farinosa Marcus E. Jones 1882-7-17 3347 Sonoma Duncan's Mills Comment
  UC1949236  Dysphania botrys Barbara Ertter 1988-11-5 8029 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge Comment
  CAS-BOT-BC176372  Echinochloa crus-galli Peter Rubtzoff 1958-7-20 3794 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  RSA118966  Echinochloa crus-galli L. S. Rose 1956-8-20 56148 Sonoma San Antonio Creek, Highway 101 3 Comment
  UCD60877  Echinochloa crus-galli Beecher Crampton 1960-11-29 5810 Sonoma 4 miles southeast of Santa Rosa, Matanzas Creek, 1/2 mile north Bennett Valley Grange Hall. Comment
  UCD49703  Eleocharis acicularis G. F. Hrusa; R. Gross 1996-6-30 13062 Sonoma permanent spring-derived pool at W end of Diamond Mtn. Rd. Lower of two pools, approx. 150 meters apart. 2 m. SW of Calistoga. Single colony on W side of pool. Quadrangle: Calistoga 7.5 700 Comment
  CAS-BOT-BC113736  Eleocharis acicularis var. gracilescens Peter Rubtzoff 1951-6-17 268 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC112071  Eleocharis quinqueflora Peter Rubtzoff 1951-8-5 596 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112198  Eleocharis radicans Peter Rubtzoff 1970-9-2 6353 Sonoma Russian River bottom at Mirabel Park Comment
  CAS-BOT-BC112271  Eleocharis rostellata Peter Rubtzoff 1951-7-21 495 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  UCD124006  Elymus elymoides subsp. californicus Frederica Bowcutt 1994-6-24 1878 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa.Trailhead for Lower Bald Mountain trail off of Stern Trail. 377 Comment
  UC576347  Elymus glaucus H. S. Yates 1937-6-5 576347 Sonoma 3 mi sse Wildwood; Santa Rosa Quadrangle Comment
  CAS-BOT-BC203718  Elymus glaucus subsp. glaucus D. E. Breedlove 1980-6-28 44789 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC203724  Elymus glaucus subsp. glaucus Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 18 miles east of Stewart's Point Comment
  UC188891  Elymus multisetus J. Burtt Davy and W. C. Blasdale 1899-7-22 6007 Sonoma Austin Creek Comment
  UC353823  Epilobium ciliatum subsp. ciliatum Milo S. Baker 1928-6-28 3199 C Sonoma Pitkin Marsh Vine Hill Region Comment
  CAS-BOT-BC262958  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-23 1977 Sonoma Forestville Marsh. Comment
  RSA800032  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1520 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  CAS-BOT-BC262965  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-7-29 1608 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC300482  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5338 Sonoma Bodega Bay Marsh. Comment
  RSA0015638  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5339 Sonoma Bodega Bay Marsh. Comment
  UC454591  Epilobium densiflorum I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  CAS-BOT-BC262813  Epilobium hallianum Peter Rubtzoff 1957-5-11 3334 Sonoma Occidental Marsh, (0.6 - 0.7 miles northeast of Occidental, near the road to Graton). Comment
  POM256111  Epilobium hallianum Keith Wagnon 1940-1 MSB- 9587 Sonoma Perry s Marsh, 2 miles north of Sebastopol on highway (Gravenstein opposite Bennett s Nursery). Comment
  RSA800405  Epilobium hallianum Peter Rubtzoff 1962-6-1 4855 Sonoma Freestone Marsh Comment
  RSA800408  Epilobium hallianum Peter Rubtzoff 1957-5-11 3334 Sonoma Occidental Marsh. Comment
  JEPS128204  Epilobium minutum Roger Raiche 2000-4-30 052 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS27970  Epilobium minutum Rimo Bacigalupi and L. Heckard 1961-6-9 7737 Sonoma at junction of Joy Rd and Bittner Road (1.75 mi sw of Occidental) 249 Comment
  SEINET12194282  Epilobium minutum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -243 Sonoma end of Stoetz Road 200 Comment
  POM168221  Epipactis gigantea A. A. Heller 1902-6-24 5747 Sonoma Near Burkes Sanitarium Comment
  UCD165327  Equisetum Peter Rubtzoff 1973-8-21 7254 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD165778  Equisetum Peter Rubtzoff 1973-8-31 7291 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC57127  Equisetum X ferrissii Mary P. Wells 1984-7-20 389 Sonoma East bank South Fork Gualala River, opp. the Hot Spot, the Sea Ranch Comment
  CAS-BOT-BC57046  Equisetum arvense Peter Rubtzoff 1962-4-18 4800 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road Comment
  CAS-BOT-BC164656  Equisetum hyemale var. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC57641  Equisetum telmateia Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch Comment
  CAS-BOT-BC57647  Equisetum telmateia Peter Rubtzoff 1959-6-7 4109 Sonoma Russian River betw. East Guernewood and Vacation Beach, near Guerneville Comment
  UCR248775  Eragrostis Peter Rubtzoff 1965-8-16 5599 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  CAS-BOT-BC172570  Eragrostis cilianensis Peter Rubtzoff 1961-8-25 s.n. Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  SEINET10807148  Eragrostis curvula P. Rubtzoff 1971-8-23 Rubtzoff 6653 Sonoma Meacham Road, 0.35 miles S of Stony Point Road Comment
  CAS-BOT-BC293628  Erigeron biolettii Merlin Morse No date on label 317 Sonoma Russian River Comment
  RSA507759  Erigeron glaucus J. C. Semple, S. Heard 1986-8-18 8545 Sonoma Pebble Beach Coastal Access; CA-1, 10.1 km S of Mendocino County line. Comment
  UC1299254  Erigeron greenei Freed W. Hoffman 1947-9-5 1249 Sonoma Dutch Bill Creek North Coast Ranges, Dutch Bill Creek Comment
  JEPS82248  Erigeron serpentinus Roger Raiche 1983-8-6 30587 Sonoma near seep above Austin Creek (below Laton Mine buildings); the Cedars Comment
  UC2043165  Erigeron serpentinus Barbara Ertter with R. Raiche, J. R. Shevock, R. Bittman, H. Forbes, M. Skinner et al.. 1994-6-23 12851 Sonoma The Cedars serpentine area at head of Big Austin Creek north of Cazadero, ca. 20 air km due W of Healdsburg. Comment
  CAS-BOT-BC300305  Erigeron supplex Mary P. Wells 1984-7-6 357 A Sonoma Site of North Fire Station. The Sea Ranch Comment
  CAS-BOT-BC248813  Eriogonum compositum var. compositum Roger Raiche 1983-6-4 30373 Sonoma On s. side of Sweetwater Springs Rd. (above Porter Creek somewhat e. of its intersection with John Gordon Creek), 3.9 mi. w. on Sweetwater Springs Rd. from its origin at west side highway 121 Comment
  CAS-BOT-BC259258  Eriogonum latifolium John Thomas Howell 1930-7-27 5415 Sonoma 4 miles north of Bodega Bay Comment
  CAS-BOT-BC259262  Eriogonum latifolium P. A. Munz 1936-8-7 14305 Sonoma 2 mi. north of Bodega Comment
  UCR80877  Eriogonum luteolum var. luteolum G. Fred Hrusa, G. L. Stebbins, June McCaskill 1993-9-14 11421 Sonoma 3 mi west of Occidental along Coleman Valley Rd. 209 Comment
  UC6525  Eriogonum luteolum var. luteolum Alice King Oct. 1896 Sonoma Healdsburg Comment
  JEPS56644  Eriogonum nudum var. auriculatum W. L. Jepson 1936-8-20 17964 Sonoma nw, between Macdonald road station and Alder Springs Cloverdale Comment
  UCD100603  Eriogonum nudum var. nudum K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC300959  Eriophyllum lanatum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UC507059  Eriophyllum lanatum var. achilleoides Lincoln Constance 1933-5-20 E 25 Sonoma 3.5 mi from Healdsburg (between Santa Rosa and) Comment
  RSA178038  Eriophyllum lanatum var. arachnoideum R. F. Thorne 1965-4-20 34389 Sonoma Los Alamos Road, on rocky, clayey bank, 1 or 2 miles NE of State Hwy 12 Comment
  UC614628  Eriophyllum lanatum var. arachnoideum L. Constance 1938-4-24 2157 Sonoma 8 mi s of Fort Ross; Russian Gulch 121 Comment
  UC893781  Eriophyllum lanatum var. arachnoideum Marcus E. Jones, A. M. 1882-7-17 2733 Sonoma Duncans Mills Comment
  UCD132185  Eriophyllum lanatum var. arachnoideum Charles B. Heiser Jr. 1946-4-13 1721 Sonoma 2 miles east of Jenner. Comment
  CAS-BOT-BC293760  Erodium Peter Rubtzoff 1974-4-17 7372 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC290704  Erodium Peter Rubtzoff 1974-5-18 7436 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UC73463  Erodium botrys Miss M. Alice King May 1897 Sonoma Lytton Springs Comment
  CDA32952  Erodium botrys D. Barbe & P. Hiatt 1979-5-1 Sonoma South of Asti; on Asti Road, 0.45 mile south of Washington School Road. 0 Comment
  UCD103021  Erodium botrys Frederica Bowcutt; Kate Mawdsley 1996-3-24 2071 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air mile south of Red Mountian, just south of Sonoma Creek. 365 Comment
  UCD103082  Erodium botrys Robert F. Thorne 1965-4-19 34265 Sonoma Cotati, Waters Ranch. Comment
  UCSB50218  Erodium cicutarium Gray, John 1976-5-1 Sonoma Bluff above Blind Beach; along the Sonoma County coast; T7N RllW 60 Comment
  JEPS117128  Erodium moschatum Peter Warner 2010-3-29 124 Sonoma 1670 Bloomfield Road, approx. 3 km S of center Sebastopol, throughout property. Comment
  CDA28601  Eryngium aristulatum G. F. Hrusa, A. Buckmann (DFG) 1996-10-5 13582 A Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Comment
  UC1487266  Eryngium aristulatum var. aristulatum Yusuf Sheikh and Peter Rubtzoff 1971-7-20 502 Sonoma w. Santa Rosa (at junction of State Hwy. 12 & Wright Rd.) Comment
  POM259750  Eryngium aristulatum var. aristulatum J. T. Howell 1933-4-1 10927 Sonoma 3 miles northeast of Petaluma Comment
  JEPS84389  Eryngium armatum Roger Raiche 1989-6-4 90151 Sonoma n. Healdsburg (between Simi winery and the dump) Comment
  POM161245  Eryngium armatum Rimo Bacigalupi 1928-6-19 1884 Sonoma Mouth of Salmon Creek, 2 miles north of Bodega Bay Comment
  POM259278  Eryngium armatum J. T. Howell 1938-7-3 13947 Sonoma Stony Point. Comment
  SEINET14046357 Image available Erythranthe guttata Noel H. Holmgren, Liew Fah Seong 1969-1 3606 Sonoma Calif. 1, 7.2 miles north of Marin County line. Comment
  SEINET8255128  Erythranthe microphylla Unknown 1940-5-21 25883 Sonoma Route 28. 183 Comment
  UCD151111  Erythronium californicum James A. Neilson Jr. 1974-6-1 2938 Sonoma Mayacmas Mountains, Mercuryville, The Geysers Road. (Elevation estimated by label maker using Google Earth.) 822 Comment
  SEINET9633973 Image available Erythronium californicum Fred W. Hoffman 1947-4-20 1866 Sonoma Near Mercury, Geysers to Healdsburg. Comment
  CAS-BOT-BC133296  Erythronium helenae Elmer I. Applegate 1934-3-25 8855 Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 609 Comment
  SEINET6911603  Eschscholzia caespitosa W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Weedy grassland about 7.8 miles south-southeast of Annapolis; northwest Sonoma county. Comment
  JEPS51720  Eschscholzia californica W. L. Jepson 1911-4-30 4188 Sonoma near Glen Ellen; Sonoma Valley Comment
  SD40082  Eschscholzia californica Edith A. Purer 1932-7-29 4047 Sonoma Bodega Bay. Comment
  UCR44930  Eschscholzia californica L. F. LaPre 1986-6-2 s.n. Sonoma Red Slide, serpentine rockslide along upper East Austin Creek, 5 mi north of Cazadero, 3 mi up a private road from Mannings Flats, Austin Creek State Recreation Area 305 Comment
  UCD95275  Eschscholzia californica Valerie Bullock 1993-5-8 245 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 at base of grassy hill. 365 Comment
  RSA149295  Eschscholzia californica subsp. californica Alice Eastwood 1900-6-9 s.n. Sonoma Bodega Point Comment
  RSA789604  Euonymus occidentalis var. occidentalis R. W. Spjut, Peter Baye 2010-6-21 16711 Sonoma Along Wheatfield Fork of Gualala River just south of junction with Fuller Creek, and north of junction with Haupt Creek and Steward Pt-Skaggs Springs Road. 55 Comment
  UC869900  Euonymus occidentalis var. occidentalis K. Wagnon May 1939 220 Sonoma 5 mi. w. of Sebastopol (1/8 mi. n.e. of Wagnon Ranch, along Jonive Creek) Comment
  CAS-BOT-BC290687  Euphorbia Peter Rubtzoff 1987-10-17 9877 Sonoma Russian River ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC294703  Euphorbia Peter Rubtzoff 1973-8-20 7227 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente Comment
  UCR248751  Euphorbia polycarpa Peter Rubtzoff 1987-10-17 9878 Sonoma Along Highway 116 c. 0.3 mi. SE of Forestville 37 Comment
  CDA35308  Euphorbia spathulata Rod Kerr & Ron Eng 1993-5-7 Sonoma Santa Rosa; 5357 Bennett Valley Road. 0 Comment
  JEPS87228  Eurybia radulina Jack and Betty Guggolz 1992-7-25 1333 Sonoma 4+ mi WSW of, (rd-edge through brush field 5/8 mi ssw of Bradford Mtn) Geyserville; Bradford Mountain 292 Comment
  UCR254730  Euthamia occidentalis Peter Rubtzoff 1961-9-20 4748 Sonoma Americano Creek, 0.9 miles west of Bloomfield 13 Comment
  CAS-BOT-BC354319  Euthamia occidentalis Peter Rubtzoff 1956-9-15 2916 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC354321  Euthamia occidentalis Peter Rubtzoff 1958-9-6 3987 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC239715  Fabaceae Peter Rubtzoff; Nancy Harrison 1974-5-26 7472 Sonoma Vernal pool on Bennett Valley Road, 4.25 mi. west of Glen Ellen Comment
  CAS-BOT-BC262980  Fabaceae Peter Rubtzoff 1965-9-5 5642 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC418825  Fagopyrum esculentum H. K. Wagnon 1988-8-8 1797 Sonoma Spring Lake Park and environs. Adjacent to Montgomery Drive 67 Comment
  UCR253367  Festuca arundinacea Peter Rubtzoff 1974-5-25 7455 Sonoma Upper Green Valley Marsh 76 Comment
  SD56833  Festuca californica D. F. Howe 1963-5-23 3528 Sonoma 3.8 miles north of Cloverdale on #128 334 Comment
  UC1146665  Festuca californica Freed W. Hoffman 1947-5-30 1698 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC278395  Festuca elmeri K. Wagnon 1939-5-22 217 Sonoma Top of Wagnon rock quarry, five miles west of Sebastopol Comment
  UC573696  Festuca occidentalis H. S. Yates 1936-5-16 5610 Sonoma 1 mi nw Mountain View; Sebastopol Quad. 91 Comment
  UCD66122  Festuca occidentalis P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  UCD66175  Festuca occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-14 13534 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway. Comment
  UCD84823  Fragaria vesca Nellie Coffey 1931-4-12 s.n. Sonoma Mount St. Helena. Comment
  RSA223348  Fraxinus latifolia Peter Rubtzoff 1964-6-20 5364 Sonoma Laguna de Santa Rosa southeast of Sebastopol near Cooper Road Comment
  SJSU5729  Fraxinus latifolia L. S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Cr, NE of Santa Rosa 121 Comment
  CAS-BOT-BC130177  Fritillaria affinis John Thomas Howell 1924-3-22 289 Sonoma Camp Meeker Comment
  UC843892  Fritillaria affinis Alice Eastwood 1918-5-1 6858 Sonoma Mount St. Helena Comment
  UCD151239  Fritillaria affinis James A. Neilson Jr. 1974-4-30 2728 Sonoma Mayacmas Mountains, upper Squaw Creek. (Elevation estimated using Google Earth by label maker.) 975 Comment
  UC72491  Fritillaria liliacea Milo S. Baker 1898-4 Sonoma near Santa Rosa Comment
  UC480623  Fritillaria recurva Carl Meyer 1928-3-3 321 Sonoma Santa Rosa Comment
  UCD158783  Galium bolanderi James A. Neilson Jr. 1974-6-1 2768 Sonoma Mayacmas Mountains, Geyser Rock, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  LA208415  Galium californicum John Thomas Howell; 1930-6-8 5246 Sonoma 1 mi east of Bodega Bay Comment
  UCD160295  Galium californicum James A. Neilson Jr. 1974-5-24 2879 Sonoma Mayacmas Mountains, Geyser Rock, northeast Sonoma County. (Elevation and georeferencing estimated by label maker.) 1127 Comment
  JEPS52896  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3907 Sonoma 4.1 mi s Stewart's Point (on Hwy 1, w-facing roadbank near ocean) Comment
  HSC19809  Galium californicum subsp. californicum Lauramay T. Dempster, G. L. Stebbins 1963-8-12 3907 Sonoma Hwy. 1, 4.1 mi. S of Stewart's Point Comment
  RSA264736  Galium divaricatum Peter Rubtzoff, H. A. Froebe 1971-5-30 6497 Sonoma 4.25 miles W of Glen Ellen on Bennett Valley Road. Comment
  UC796575  Galium divaricatum Roxana S. Ferris and Laura Lorraine 1948-6-9 11661 Sonoma hillside 11 mi from Geyserville (on road to Kellogg) Comment
  UC963917  Galium divaricatum Milo S. Baker 1947-5-12 11768 Sonoma along horse trail from Gray Ranch (sw slope of mt.); Hood Mt. 441 Comment
  UCD121756  Galium divaricatum F. Bowcutt 1994-5-21 1812 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. Along Meadow trail about 3/4 mile from trailhead. East from trail about 100 yards. 411 Comment
  UCD39139  Galium parisiense Beecher Crampton 1964-8-18 7148 Sonoma N.E. part of county. 'The Geysers', Big Sulphur Creek. Comment
  POM194199  Galium porrigens J. T. Howell 1929-6-9 4297 Sonoma 2 miles N of Sonoma Comment
  UCD121891  Galium porrigens P. G. Connors 1992-5-8 247 Sonoma Near rock outcrop on hillside. Comment
  UC1348904  Galium porrigens var. porrigens Robert F. Thorne 1965-4-19 34284 Sonoma on Stoetz Road near county dump (off Harrison Grade, ca 2 mi nne of Occidental) 182 Comment
  UC28222  Galium porrigens var. porrigens W. A. Setchell 1898-3-15 Sonoma Cloverdale Comment
  UC480618  Galium porrigens var. porrigens Carl Meyer 1928-3-3 307 Sonoma Santa Rosa Comment
  UC76641  Galium tricornutum Milo S. Baker 1899-6-2 Sonoma Melita Comment
  UCD160113  Galium trifidum subsp. subbiflorum James A. Neilson Jr. 1973-6-3 2997 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
  UC665535  Gamochaeta ustulata Annetta Carter and Ethel Crum 1941-6-22 2148 Sonoma 3.3 mi e Bodega Bay; North Coast Ranges Comment
  CDA31016  Garrya fremontii D. G. Kelch, Troy McGregor 2010-8-22 10 .349 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  HSC39063  Garrya fremontii Gary S. Lester 1974-2-9 66 Sonoma Along Trinity Rd. 549 Comment
  CAS-BOT-BC278692  Gastridium phleoides Peter Rubtzoff 1952-6-3 1148 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC278695  Gastridium phleoides J. W. Congdon 1880-8-22 s.n. Sonoma Santa Rosa Comment
  UCD81373  Gastridium phleoides Frederica Bowcutt 1996-5-19 2127 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon firebreak (narrow) btw. lower Bald Mtn. and Bald Mt. Trail. 487 Comment
  UCR248771  Gastridium ventricosum Peter Rubtzoff 1972-6-29 6798 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CHSC63908  Gaultheria shallon John Hale 1990-4-10 20 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
  CAS-BOT-BC193256  Genista monspessulana Walter & Irja Knight 1990-5-1 6591 Sonoma Calistoga Road near junction of Porter Creek Road. 182 Comment
  RSA94352  Gentiana sceptrum Peter Rubtzoff 1951-7-1 337 Sonoma Pitkin Marsh, near Forestville; uppermost part of the western branch of the Upper Marsh. Comment
  SBBG3920  Geranium carolinianum H. and M. Dearing 1939-5-14 3361 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCD103493  Geranium core-core Frederica Bowcutt 1984-6-23 440 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. 1/2 mile north of Gerstle Cove. 15 Comment
  SD88311  Geranium core-core Darley F. Howe 1972-5-3 Sonoma Ocean bluff 2.5 miles north of Jenner Comment
  SBBG3921  Geranium dissectum H. and M. Dearing 1939-5-14 3360 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  CDA34813  Geranium dissectum Peter Warner 2010-3-29 178 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  SEINET7067347  Gilia capitata A. G. Vestal 1947-5-16 s.n. Sonoma About 4.8 miles east of Windsor and northwest of Mark West Springs. Coordinate datum: NAD27. UTM Zone 10, 523072mE, 4267195mN. Comment
  SEINET12329984  Gilia capitata F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -229 Sonoma end of Stoetz Road 200 Comment
  CAS-BOT-BC225467  Gilia millefoliata Alice Eastwood 1915-6-29 4825 Sonoma Bodega Point Comment
  UC750799  Gilia millefoliata Charles B. Heiser Jr. with J. Davidson 1946-4-14 1734 Sonoma in depression on head Bodega Head Comment
  UC932018  Gilia tricolor subsp. tricolor Verne Grant, Alva Grant March 1946 7850 Sonoma near Cloverdale; near Cloverdale Comment
  UC52877  Gilia tricolor subsp. tricolor Milo S. Baker Sonoma Perch Flat Comment
  UC29077  Githopsis diffusa subsp. robusta Edw. L. Greene 1888-8-30 Sonoma Mt. St. Helena Comment
  UC1784202  Glebionis segetum Ethel Crum 1930-1 737 Sonoma Petaluma Comment
  SEINET13944156 Image available Glehnia leiocarpa W. A. Weber 1964-1 12192 Sonoma Salmon Creek State Park, N of Bodega Bay; ocean bluffs Comment
  SD99432  Glinus lotoides Peter Rubtzoff 1969-8-24 6146 Sonoma Pond on River Road, 3.0 miles west of Fulton. Comment
  CAS-BOT-BC227651  Glyceria Peter Rubtzoff 1966-5-29 5739 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road crossing). Comment
  CAS-BOT-BC282816  Glyceria leptostachya A. D. E. Elmer 1903-7-1 4652 Sonoma Petaluma Comment
  POM199077  Glyceria leptostachya A. D. E. Elmer 1903-07 4652 Sonoma Petaluma. Comment
  RSA786603  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5382 Sonoma Coleman Marsh. Comment
  SEINET6836756 Image available Glyceria leptostachya A. D. E. Elmer July 1903 4652 Sonoma Petaluma Comment
  UCR282046  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5382 Sonoma Coleman Marsh 269 Comment
  UCR244674  Glyceria occidentalis Peter Rubtzoff 1966-5-28 5739 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road crossing) 20 Comment
  UCR244735  Glyceria occidentalis Peter Rubtzoff 1966-4-30 5687 Sonoma North side of Hwy 116, 0.5 miles northwest of Stony Point Road crossing 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
  RSA790990  Gnaphalium chilense Peter Rubtzoff 1954-9-4 1725 Sonoma Bodega Head Marsh. Comment
  UCR244747  Gnaphalium luteoalbum Peter Rubtzoff 1968-8-18 5931 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC302696  Gnaphalium palustre Peter Rubtzoff 1956-9-21 2935 Sonoma Vacation Beach, near Guerneville. Comment
  RSA785848  Gnaphalium palustre Peter Rubtzoff 1962-10-23 5126 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC164671  Gnaphalium purpureum Peter Rubtzoff 1952-6-10 1221 Sonoma Northeast slopes of Fitch Mountain near Healdsburg. Comment
  SEINET8726299 Image available Godetia amoena Calvin, Phyllis McMillan 1951-1 1552 Sonoma with Ceanothus Jepsoni, Quercus durata, and Photinia arbutifolia; Northwest of Cloverdale on road to Boonville, ca. 1 mile east of Mendocino-Sonoma County line, Sonoma County. 335 Comment
  CAS-BOT-BC164096  Grindelia Peter Rubtzoff 1971-6-10 6533 Sonoma Laguna de Santa Rosa E of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC305181  Grindelia hirsutula J. T. Howell 1930-7-13 5338 Sonoma Black Point Road Comment
  CAS-BOT-BC305199  Grindelia hirsutula A. A. Heller 1902-7-8 5810 Sonoma Mark West Creek north of Santa Rosa Comment
  JEPS41926  Grindelia hirsutula F. T. Bioletti 1891-1 Sonoma Glen Ellen Comment
  CAS-BOT-BC302256  Harmonia nutans J. Clausen 1935-5-23 1073 Sonoma 0.3 mi. N. of entrance to Petrified Forest Comment
  CDA34788  Hedera helix Peter Warner 2010-2-28 109 Sonoma Sweetwater Springs Rd., 4.7 mi. W of Westside Rd.; in redwood stand immediately along S road edge. Comment
  CAS-BOT-BC306329  Hedypnois cretica D. Breedlove 1975-4-28 39495 Sonoma Near Doran Beach, Bodega Bay Comment
  CAS-BOT-BC306767  Helenium bigelovii John Thomas Howell; J. W. Stacey 1936-7-26 12684 Sonoma Pitkin Marsh, 5 miles n. of Sebastopol Comment
  CAS-BOT-BC306771  Helenium bigelovii John Thomas Howell 1945-5-30 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC306861  Helenium bolanderi Paul F. Covel 1938-7-11 1429 Sonoma Coast Rd near Gualala River Comment
  CAS-BOT-BC309580  Helenium puberulum Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  CAS-BOT-BC309583  Helenium puberulum Peter Rubtzoff 1951-11-24 833 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  RSA800285  Helenium puberulum Peter Rubtzoff 1970-9-3 6373 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC262983  Helenium puberulum Peter Rubtzoff 1954-8-4 1655 Sonoma North side of the Guerneville Marsh. Comment
  RSA800281  Helenium puberulum Peter Rubtzoff 1959-9-12 4260 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC305580  Helianthus bolanderi R. Bacigalupi 1948-3-6 2583 Sonoma The Geysers, just above the resort Comment
  CAS-BOT-BC305583  Helianthus bolanderi Walter Knight; Irja Knight 1968-1-1 2271 Sonoma Geysers Resort Comment
  JEPS86760  Helianthus californicus Jack and Betty Guggolz 1990-9-9 1088 Sonoma between Cloverdale and the Asti crossing (Russian River bed); Russian River 79 Comment
  UC578052  Helminthotheca echioides H. S. Yates 1935-10-3 5343 Sonoma Santa Rosa Santa Rosa Quad., Santa Rosa 53 Comment
  CAS-BOT-BC173587  Hemizonia Peter Rubtzoff 1969-5-11 6031 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC268124  Hemizonia Peter Rubtzoff; Nancy Harrison 1974-9-7 7875 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  CAS-BOT-BC258395  Hemizonia Peter Rubtzoff 1974-5-18 7422 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC262984  Hemizonia Peter Rubtzoff 1971-7-23 6619 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC376334  Hemizonia Greg de Nevers 1996-11-10 10892 Sonoma Just north of Highway 37 opposite Port Sonoma, Lower Ranch. 0 Comment
  RSA800070  Hemizonia Peter Rubtzoff 1971-9-30 6709 Sonoma Laguna, Chileno Valley. Comment
  RSA800147  Hemizonia Peter Rubtzoff 1962-10-23 5120 Sonoma Laguna de Santa Rosa area East of Graton, east of Cunningham (near Llano Road). Comment
  RSA800288  Hemizonia Peter Rubtzoff 1962-10-9 5115 Sonoma Lower Salmon Creek Marsh. Comment
  UCD166113  Hemizonia Peter Rubtzoff 1972-5-21 6746 Sonoma Atascadero Creek Marsh and nearby slopes. Comment
  UC75963  Hemizonia citrina Miss M. Alice King 1987-6-1 Sonoma Comment
  CAS-BOT-BC306158  Hemizonia congesta subsp. clevelandii James I. McMurphy 1909-8-9 709 Sonoma One mile south of Sonoma Comment
  SD62035  Hemizonia congesta subsp. clevelandii Darley F. Howe 1965-8-14 Sonoma East of Santa Rosa. 120 Comment
  CAS-BOT-BC306229  Hemizonia congesta subsp. congesta Alice Eastwood; John Thomas Howell 1936-7-4 3822 Sonoma 2 miles n. of Windsor Comment
  LA203725  Hemizonia congesta subsp. congesta Lewis S. Rose; 1935-9-11 35622 Sonoma 2 mi. N of Healdsburg 39 Comment
  UC990604  Hemizonia congesta subsp. congesta James I. McMurphy 1909-8-9 Sonoma 1 mi s Sonoma Comment
  CAS-BOT-BC306238  Hemizonia congesta subsp. congesta J. McMurphy 1909-5-30 s.n. Sonoma Between Windsor & Healdsburg Comment
  SD53369  Hemizonia congesta subsp. congesta Darley F. Howe 1962-7-28 3358 Sonoma 6.3 miles east of Marin -Sonoma County line of Highway 37. Comment
Read comments
Sep 10 2008
  UC1999849  Hemizonia congesta subsp. congesta Ethel Crum 1930-1 Sonoma Petaluma, California Comment
  UCD132984  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-5-18 1051 Sonoma one-half mile south of Two Rock Ranch Military Reservation; on Dutra Ranch. 1/4 mile east and west of Dutra home. 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-BC309674  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station, between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC309685  Hemizonia congesta subsp. lutescens Lewis S. Rose 1964-8-26 64067 Sonoma 5 miles ne. of Penngrove 243 Comment
  CAS-BOT-BC309728  Hemizonia congesta subsp. lutescens David D. Keck 1933-11-6 2649 Sonoma 2.5 mi. N. 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
  UCR233074  Hemizonia congesta subsp. lutescens Ann Howald 2011-8-30 2808 Sonoma North Coast Ranges, eastern Petaluma Valley, Manor Lane, 0.5 mi. north of intersection with Old Adobe Rd. 75 Comment
  CAS-BOT-BC309682  Hemizonia congesta subsp. lutescens Marian L. Campbell 1920-8-1 s.n. Sonoma Monte Rio Comment
  CAS-BOT-BC309714  Hemizonia congesta subsp. lutescens John Thomas Howell 1930-7-27 5409 Sonoma 8 miles south of Ft. Ross Comment
  SBBG128853  Hemizonia congesta subsp. lutescens A. Howald 2011-8-30 2808 Sonoma eastern Petaluma Valley, Manor Lane, 0.5 mi N of intersection with Old Adobe Rd 75 Comment
  UCD133003  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 miles northeast of Penngrove. 426 Comment
  CAS-BOT-BC309941  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2731 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  CAS-BOT-BC309962  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-8-7 699 Sonoma Callistoga [Calistoga] Road, 7 miles from Santa Rosa Comment
  CAS-BOT-BC309965  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-8-9 714 -A Sonoma 4-1/2 miles south of Santa Rosa Comment
  CDA6976  Hemizonia corymbosa T. C. Fuller 1981-9-9 20386 Sonoma Bodega Harbor subdivision just south of Bodega Bay. 0 Comment
  CDA20440  Hemizonia fitchii McArthur 2002-9-4 PDR P 092053 Sonoma Northern California; State park in the vicinity of Kenwood. 0 Comment
  RSA81605  Hemizonia lutescens James I. McMurphy 1909-8-9 711 Sonoma Hills between Sonoma and Petaluma. Comment
  RSA144367  Hemizonia multicaulis subsp. vernalis Roxana S. Ferris, Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental Road with Facendini Lane Comment
  RSA81596  Hemizonia multicaulis subsp. vernalis James I. McMurphy 1910-6-8 s.n. Sonoma Where road enters hills E of Petaluma. 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
  OBI77797  Heracleum maximum David J. Keil 1983-6-29 17194 Sonoma 5 mi N of Bodega Bay along hwy 1 Comment
  LA6482  Hesperocyparis goveniana Milo S. Baker; March 1933 7562 Sonoma near summit of Harrison's Grade near Occidental Comment
  UC1952124  Hesperolinon californicum Clint Kellner 2009-6-7 Sonoma Between approx. 2700 and 4500 ft West of Tolay Creek and approx. 7200 ft Westerly and a little North of Tolay Creek bridge beneath Hwy 121 91 Comment
  JEPS128296  Hesperolinon micranthum Roger Raiche 2010-6-26 029 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC903740  Hesperolinon micranthum Milo S. Baker 1947-5-5 11728 Sonoma s slope of mountain above Baker Ranch; Inner North Coast Ranges, Hood Mt. 213 Comment
  JEPS122891  Hesperolinon spergulinum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-21 649 Sonoma Along Pine Flat Rd accessed from Alexander Valley Rd. off of Hwy 101 north of Healdsburg Comment
  JEPS32295  Hesperolinon spergulinum W. L. Jepson 1923-6-28 10008 Sonoma Kenwood Sonoma Canyon 365 Comment
  UC73445  Hesperolinon spergulinum Milo S. Baker 1904-6-19 Sonoma above Maple Glen; Sonoma Creek Canyon Comment
  SEINET11908933  Heteromeles arbutifolia W. Knight, Knight, I. 1981-1 3965 Sonoma 2.3 mi up Cavedale Rd. from jct of State Rt. #12 Comment
  JEPS128257  Heterotheca oregona var. rudis Roger Raiche 2000-9-2 148 .00 Sonoma The Cedars. Rick's Gate. Lower Russian River, Big Austin Creek watershed. Comment
  RSA0009712  Heterotheca sessiliflora subsp. bolanderi Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. 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
  UC858024  Heuchera micrantha var. erubescens Eliz. Parsons Hauver June 1915 Sonoma Skaggs Springs Comment
  CAS-BOT-BC424181  Heuchera micrantha var. erubescens Peter Rubtzoff 1954-6-5 1455 Sonoma S of Guerneville (Neely Hill area) Comment
  RSA0063138  Heuchera micrantha var. hartwegii Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  SDSU9530  Heuchera pilosissima D. F. Howe 1966-6-2 4262 Sonoma 0.5 mile S of Bodega Bay. Comment
  RSA0062989  Heuchera pilosissima A. A. Heller 1938-5-14 15085 Sonoma Near the south end of Bodega Bay. Comment
  CDA12904  Hierochloe occidentalis G. F. Hrusa, R. Gross, F. Luna 1996-3-29 12738 Sonoma North Coast Biodiversity Arena; Upper shaded slopes of Neeley Hill. S end of Neeley Rd. approx. 2 m. S of Guerneville and 3 m. N of Bohemian Grove on Russian River. Perennial, bunching. Uncommon here. Comment
  POM252698  Hoita macrostachya Michener, Bioletti 1893-7-31 2504 Sonoma Adobe Canyon Comment
  RSA800062  Hoita macrostachya Peter Rubtzoff, Nancy Harrison 1974-8-31 7857 Sonoma Pressley Road, 0.25 mi south of junction with Sonoma Mountain Road (2.7 mi north of Lichau Road junction). Comment
  SEINET10544124 Image available Hoita macrostachya A. Arthur Heller 1902-6-24 Heller 5761 Sonoma Near Burke's Sanitarium. Comment
  CAS-BOT-BC280789  Holcus lanatus G. DeNevers 1981-6-15 1565 Sonoma Pepperwood Ranch. Along Franz Creek Comment
  CAS-BOT-BC280791  Holcus lanatus A. A. Heller 1902-6-7 5651 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  POM114472  Holcus lanatus Marcus E. Jones 1882-7-18 3546 Sonoma Duncan's Mills. Comment
  JEPS128300  Holodiscus discolor Roger Raiche 2010-6-16 020 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD160813  Holodiscus discolor James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3363 Sonoma Section 10, ca. 1 1/2 miles west of The Geysers, 50 feet south of the Geysers Road. (Exact location unknown. Elevation and coordinates estimated by label maker..) 396 Comment
  CAS-BOT-BC315808  Holozonia filipes Greg de Nevers 1996-7-2 10854 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC166677  Holozonia filipes Peter Rubtzoff 1971-7-20 6602 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC166738  Holozonia filipes Peter Rubtzoff 1971-6-23 6546 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA92835  Holozonia filipes Milo S. Baker 1954-8-12 13034 Sonoma Coney Lake; Kenwood, Coney Ranch. 366 Comment
  UCD85403  Hordeum brachyantherum Hursh 1919-5-13 X 3244 Sonoma Santa Rosa. Comment
  CAS-BOT-BC289290  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1963-6-5 5154 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC289293  Hordeum brachyantherum subsp. brachyantherum Barrett Anderson 1987-4-27 3464 Sonoma Petaluma, south of El Rose and west of D Street 120 Comment
  UCD21129  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
  POM205106  Hordeum murinum subsp. leporinum A. A. Heller 1902-4-11 5278 Sonoma Bodega Bay. Comment
  CAS-BOT-BC280866  Hordeum murinum subsp. leporinum Richard R. Halse 1987-2-22 3375 Sonoma Along State Hwy. 121, .4 miles east of its junction with State Hwy. 116 at Big Bend in the Sonoma Valley 6 Comment
  CAS-BOT-BC273541  Hordeum vulgare Peter H. Raven 1950-4-6 1556 Sonoma Cotati, Sonoma Co. to Santa Rosa 45 Comment
  UC72982  Horkelia californica Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  CAS-BOT-BC536170  Horkelia californica var. elata Milo S. Baker 1930-5-31 4150 b Sonoma Russian River east of Healdsburg above Buttes Comment
  CAS-BOT-BC146520  Horkelia tenuiloba Milo S. Baker 1928-6-28 3197 a Sonoma Pitkins Farm on upland Vine Hill District Comment
  CAS-BOT-BC146523  Horkelia tenuiloba John Thomas Howell 1945-5-30 20909 Sonoma Vine Hill School Comment
  RSA298961  Horkelia tenuiloba Edward Lee 1936-6-7 2200 Sonoma Hear Highpoint, on the fire trail, Bohemian Grove Comment
  UC424851  Horkelia tenuiloba Milo S. Baker 1929-5-7 3457 ba Sonoma near Sebastopol Comment
  UC525518  Horkelia tenuiloba Ethel Crum 1931-5-8 1091 Sonoma near Sebastopol 60 Comment
  CAS-BOT-BC146506  Horkelia tenuiloba Mr. Floyd Bailey; Mrs. Floyd Bailey 1925-4-26 96 a - local Sonoma Plantation Comment
  UCD128230  Hydrocotyle ranunculoides David E. Bayer 1960-9-29 s. n. Sonoma Santa Rosa. Comment
  CDA31270  Hypericum concinnum D. G. Kelch, Ed Biffin 2010-5-3 10 .191 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CAS-BOT-BC401289  Hypericum perforatum Mary P. Wells 1984-5-24 272 Sonoma Annadel State Park, Santa Rosa Comment
  CAS-BOT-BC401291  Hypericum perforatum Peter Rubtzoff 1962-6-22 4958 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC366946  Ipomoea mutabilis Greg de Nevers 1996-11-10 10893 Sonoma Santa Rosa, Sonoma Avenue 30 Comment
  SEINET7062924  Ipomoea purpurea A. G. Vestal 1947-5-12 s.n. Sonoma About 1 mile east of Occidental on the Occidental Road and near Taddeuci. (WGS84/NAD83). UTM Zone 10, 505989mE, 4250987mN. 262 Comment
  UC571179  Iris douglasiana H. L. Mason 1928-4-8 4282 Sonoma Fort Ross Comment
  RSA48723  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
  CDA131  Iris macrosiphon D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .28 Sonoma Cavedale Rd. Comment
  CDA13304  Iris macrosiphon G. F. Hrusa, R. Gross 1996-4-2 12827 Sonoma North Coast Biodiversity Arena; Base of Diamond Mtn. on NW side. 2 m. S of Calistoga Comment
Read comments
Jul 28 2008
  RSA488797  Iris macrosiphon James L. Reveal 1988-6-1 6975 Sonoma Along Geysers Road, 13.2 mile north of California Highway 128 and 14.8 miles east of U.S. Highway 101, 0.8 mile south of the turnoff to Geysers Resort, about 16.5 miles east of Cloverdale 640 Comment
  UC725363  Iris purdyi A. A. Heller 1940-5-10 15611 Sonoma w of Skagg's Springs (on the road to Stewart Point) Comment
  CAS-BOT-BC376406  Isoetes Greg de Nevers 1997-5-30 11010 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Three Tree Hill. 400 Comment
  UC810503  Isoetes howellii John Thomas Howell 1937-6-6 13015 Sonoma Sebastopol Comment
  CAS-BOT-BC112410  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh Comment
  CAS-BOT-BC112413  Isolepis carinata Peter Rubtzoff 1952-5-10 1025 Sonoma Pitkin Marsh near Forestville: Eastern branch of the Upper March. Comment
  RSA114299  Isolepis carinata J. T. Howell 1957-6-13 32620 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC101889  Juglans californica Peter Rubtzoff 1986-8-31 9736 Sonoma On river bank off Summerhome Park Road 0.2 mile west of Forest Hills Road Comment
  CAS-BOT-BC322123  Juncus arcticus Peter Rubtzoff 1957-5-11 3333 Sonoma Occidental Marsh. Comment
  UCD141323  Juncus balticus subsp. ater Frederica Bowcutt 1997-7-18 2182 b Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge west of Bear Creek. 365 Comment
  UC842252  Juncus bolanderi Marcus E. Jones, A. M. 1882-7-17 3523 Sonoma Duncan's Mills Comment
  UCD141316  Juncus bolanderi Mary M. Hektner 1976-8-26 265 Sonoma Unit 28 Owner;s Map, Sea Ranch, near State Highway 1. Comment
  SEINET6333666  Juncus bufonius A. A. Heller 1902-6-11 5688 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC368096  Juncus capitatus Greg de Nevers 1998-5-5 11232 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  UC842406  Juncus covillei John Thomas Howell 1937-7-4 13078 Sonoma near Petrified Forest Comment
  CAS-BOT-BC182749  Juncus dubius Peter Rubtzoff; Nancy Harrison 1978-5-20 9187 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley Comment
  CAS-BOT-BC182750  Juncus dubius Peter Rubtzoff; Betty Lovell 1975-8-11 8314 Sonoma Kenwood Marsh Comment
  UC1026467  Juncus dubius Peter Rubtzoff 1951-7-8 395 Sonoma near Forestville (lower part of the Upper Marsh); Pitkin Marsh, Upper Marsh Comment
  CAS-BOT-BC164038  Juncus effusus Peter Rubtzoff 1970-8-19 6337 Sonoma Sonoma: Austin Creek bank, 0.5 mi. north of Cazadero Comment
  UCD141504  Juncus effusus subsp. pacificus Frederica Bowcutt 1984-6-23 427 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along the Sonoma County coast. Immediately SW of park entrance, West of Highway 1 and NW of Gerstle Cove along park road. 30 Comment
  UCD167435  Juncus hesperius Peter Rubtzoff 1955-8-20 2089 Sonoma Bodega Harbor Marsh. Comment
  RSA789174  Juncus hesperius Peter Rubtzoff 1969-8-14 6137 Sonoma Coleman Marsh. Comment
  SEINET3879737  Juncus kelloggii Alice Eastwood, John Thomas Howell 1940-5-5 7866 Sonoma Summit of Bennett Valley road.; 0 Comment
  UCD161770  Juncus nevadensis James A Neilson Jr. 1976-5-10 s.n. Sonoma Mayacmas Mountains. Aidlin-Gouvea Leasehold. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1133689  Juncus occidentalis H. S. Yates 1936-5-16 5586 Sonoma 2 mi se Forestville; Pitkin Marsh, Sebastopol Quad. 30 Comment
  UCD141633  Juncus occidentalis Mary M. Hektner 1976-12-15 280 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA94319  Juncus orthophyllus Peter Rubtzoff 1951-8-18 623 Sonoma Pitkin Marsh, near Forestville. Western branch of the upper marsh. Comment
  CDA22504  Juncus patens D. G. Kelch 2003-7-14 3 .381 Sonoma Cavedale Road. Comment
  UCR130525  Juncus patens Don Pendleton 1993-5-29 s.n. Sonoma North Coast Ranges, 5297 Westside Rd, Russian River Valley, c. 5 mi SW of Healdsburg 46 Comment
  CDA39264  Juncus phaeocephalus T. C. Fuller 1958-1-29 s.n. Sonoma Horn Ave., south of Santa Rosa. 0 Comment
  CAS-BOT-BC235865  Keckiella corymbosa Belle Richardson Jackson 1924-8-1 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC488338  Keckiella corymbosa James A. Neilson, Jr. 1974-7-10 2824 Sonoma Mayacmas Mountains, W of Cobb Mountain, along road to PG&E geothermal units 9 and 10, eastern Sonoma Co. 960 Comment
  RSA45356  Keckiella corymbosa R. C. Bacigalupi 1947-8-17 2850 Sonoma On dirt road just above and east of Cazadero, (County road to Guernewood Park), in canyon of Austin Creek. Comment
  UCD151192  Keckiella corymbosa James A. Neilson Jr. 1974-7-10 2824 Sonoma Mayacmas Mountains, west of Cobb Mountain, along road to PG and E geothermal units 9 and 10, eastern Sonoma County. (Elevation estimated using topo map by label maker.) 960 Comment
  RSA0022380  Kickxia elatine Peter Rubtzoff 1970-9-8 6381 Sonoma Marsh on River Road, ca. 3 mi west of Fulton. Comment
  UC903716  Koeleria macrantha Milo S. Baker 1947-5-7 11733 Sonoma 2 mi n Kenwood (above house at Maplewood); n of Kenwood Comment
  CAS-BOT-BC273782  Koeleria pyramidata John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53998 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-BC273785  Koeleria pyramidata G. DeNevers 1981-5-9 1045 Sonoma Pepperwood Ranch. Along the road cut above the Strebel Homestead Comment
  UC403007  Kopsiopsis strobilacea Adolphe H. Weber May 1896 Sonoma Comment
  CAS-BOT-BC176156  Lactuca Peter Rubtzoff 1958-9-6 3975 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  CAS-BOT-BC340482  Lactuca saligna W. Knight; I. Knight 1984-9-26 5286 Sonoma 5.9 mi. up Cavedale Road Comment
  UC1299463  Lactuca saligna Freed W. Hoffman 1946-8-23 797 Sonoma Comment
  JEPS128217  Lactuca serriola Roger Raiche 2000-5-5 099 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1069689  Lactuca serriola H. S. Yates 1935-10-3 5344 Sonoma Santa Rosa Santa Rosa Quad., Santa Rosa 53 Comment
  CAS-BOT-BC340661  Lactuca serriola Mary P. Wells 1985-9-2 611 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC341710  Lagophylla ramosissima Milo S. Baker 1934-6-1 7687 Sonoma Along highway north of Warfield one-half mile Comment
  RSA783730  Lagophylla ramosissima Peter Rubtzoff 1975-8-26 8359 Sonoma Bennett Mountain Lake. Comment
  UCD63273  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point. Comment
  UCD63290  Lamarckia aurea Beecher Crampton 1964-8-18 7146 Sonoma n.e. Sonoma County: The Geysers, Big Sulphur Creek. Comment
  CAS-BOT-BC486688  Lamiaceae Peter Rubtzoff 1964-5-20 5322 Sonoma Bodega Bay Marsh Comment
  JEPS86749  Lasthenia burkei Jack and Betty Guggolz 1990-5-5 1048 Sonoma n side Piner Road (w of Olivet Road) Comment
  UCD150130  Lasthenia burkei Ayzik Solomeshch 2009-5-11 s.n. Sonoma Northwest of the city of Santa Rosa, S of River Rd and W of Fulton Rd. Just N of Wood Rd. Sampling pool #4. 44 Comment
  SEINET11447674  Lasthenia burkei P. Rubtzoff 1974-1 Sonoma Comment
  CDA11328  Lasthenia californica G. F. Hrusa 1995-4-2 12038 Sonoma North Coast Biodiversity Arena; Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  CAS-BOT-BC346329  Lasthenia californica John H. Thomas 1976-6-15 18305 Sonoma Southern end of Sea Ranch, NW part of county, about 7 miles south of Gualala Comment
  RSA585970  Lasthenia californica Adree M. Desrochers 1988-4-30 335 Sonoma Salt Point State Park, Stump Beach. Comment
  UC2061429  Lasthenia californica subsp. californica Rachael L. Olliff Yang 2017-5-3 21 Sonoma Pepperwood Preserve, about 500 m northwest of Three Tree Hill. Comment
  JEPS10380  Lasthenia californica subsp. macrantha W. L. Jepson 1931-7-19 15947 Sonoma just n of mouth Salmon Creek (between Bodega Bay and the mouth of the Russian River) Comment
  SEINET11447680 Image available Lasthenia californica subsp. macrantha K. Brandegee 1905-6-27 s.n. Sonoma Near Bodega Bay; 38.33325 -123.048057 Comment
  UC353938  Lasthenia californica subsp. macrantha Milo S. Baker 1928-4-14 2977 b Sonoma coast near bay Comment
  SEINET11807292  Lasthenia chrysostoma F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -231 Sonoma end of Stoetz Road 200 Comment
  SD64376  Lasthenia minor Darley F. Howe 1966-6-2 Sonoma Coast, 4.0 miles north of Bodega Bay on Highway 1. Comment
  UCSC000800  Lasthenia minor subsp. minor R. D. Williams 2000-3-31 18 Sonoma Plentiful in moist, sandy soil on the edge of the bluff above the ocean north of Bay Bodega Bay Comment
  CAS-BOT-BC164396  Lathyrus Peter Rubtzoff 1974-8-31 7851 Sonoma Kenwood Marsh. Comment
  JEPS86809  Lathyrus Jack and Betty Guggolz 1991-5-20 1140 Sonoma 97 Comment
  UCD166069  Lathyrus Peter Rubtzoff 1971-5-30 6467 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD166103  Lathyrus Peter Rubtzoff 1971-9-1 6672 Sonoma Spring Creek Reservoir area east of Santa Rosa. Comment
  UCD106204  Lathyrus cicera Botany 102 Students 1993-5-8 252 Sonoma N of Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Bald Mountain Trailhead parking. About 1 air mile S of Red Mountain, just N of Sonoma Creek. Comment
  CAS-BOT-BC474560  Lathyrus hirsutus Ayzik Solomeshch 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, N of city of Rohnert Park, E of Hwy 101 and S of Horn Ave. Vegetation plot sampling from pool #1 30 Comment
  RSA130892  Lathyrus littoralis E. K. Balls 1958-7-20 23583 Sonoma Sonoma Coast State Park off State Hwy. 1. 3 Comment
  UCD144410  Lathyrus vestitus G. F. Hrusa 1995-4-2 12043 Sonoma Franz Valley Road, approximately 3 miles west of Knights Valley intersection with Highway 128. 150 Comment
  UCR265133  Lathyrus vestitus Ann Howald 2015-4-1 3333 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  RSA0060113  Lathyrus vestitus Greg de Nevers 1998-3-14 11147 Sonoma Duncans Landing beach, north of Bodega Bay. Comment
  CDA27146  Lathyrus vestitus var. ochropetalus G. D. Barbe 1982-5-27 3622 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment
  UCD106537  Lathyrus vestitus var. ochropetalus Mary M. Hektner 1975-6-2 193 Sonoma Coastal prairie; along path to beach, below parking lot on Pipers Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD106534  Lathyrus vestitus var. ochropetalus Beecher Crampton 1959-6-16 5404 Sonoma 1 mile south of the town of Bodega Bay. Comment
  UCD106545  Lathyrus vestitus var. ochropetalus Christine Lee 1993-4-24 85 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Hillside Trail about 2 air miles S of Bald Mtn. Midslope on Hillside Trail. 411 Comment
  UCD166126  Layia Peter Rubtzoff 1969-5-3 6010 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  UC584225 Image available Layia chrysanthemoides J. Clausen 1935-5-24 1090 Sonoma 6.2 mi s Jenner (at a little bay); ; S of Jenner, Sonoma Co. Comment
  CAS-BOT-BC323237  Layia chrysanthemoides John Thomas Howell 1931-4-1 6036 Sonoma 9 miles SW of Sonoma on road to San Rafael. Comment
  CAS-BOT-BC321725  Layia gaillardioides David D. Keck; J. Clausen 1935-6-15 3379 Sonoma Russian River, 3 mi above mouth. Comment
  CAS-BOT-BC379624  Layia platyglossa Alice Eastwood 1915-6-29 4836 Sonoma Bodega Point Comment
  JEPS82234  Layia platyglossa Roger Raiche 1983-7-5 30486 Sonoma Horseshoe Pt Comment
  UC353802  Ledum glandulosum Milo S. Baker 1928-4-28 3009 b Sonoma Pitkin Swamp Comment
  CAS-BOT-BC274359  Leersia oryzoides Freed Hoffman 1943-10-26 s.n. Sonoma Russian River, near Guerneville Comment
  CAS-BOT-BC210104  Lemna Peter Rubtzoff; Betty Lovell 1975-8-11 8312 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC344877  Lemna minor Peter Rubtzoff 1958-8-31 3956 Sonoma Atascadero Creek Marsh. Comment
  UCR255076  Lemna minor Peter Rubtzoff 1958-8-31 3956 Sonoma Atascadero Creek Marsh 29 Comment
  CAS-BOT-BC215729  Lepechinia calycina Walter Knight; Irja Knight 1964-1-17 512 Sonoma Upper Hooker canyon, Cavedale Road Comment
  UCD161377  Lepechinia calycina James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Crest of ridge between Squaw Creek and Big Sulphur Creek. (Elevation and exact location estimated by label maker.) 731 Comment
  CAS-BOT-BC89147  Lepidium didymum C. L. Hitchcock; J. S. Martin 1939-7-15 5445 Sonoma Cliffs below Bodega State Park. Comment
  RSA120850  Lepidium didymum Milo S. Baker 1957-05 13096 Sonoma Junior College Campus, only near Machine Shop Building. Santa Rosa. Comment
  RSA790009  Lepidium didymum Peter Rubtzoff 1960-5-15 4333 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC12657  Lepidium nitidum G. DeNevers 1982-3-28 1936 Sonoma Pepperwood Ranch. In the meadow by the Pepperwood barn. Comment
  CAS-BOT-BC12970  Lepidium strictum John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells 1982-4-28 54673 Sonoma Bouverie Audubon Preserve, about 1.5 mile east of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC274000  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-7-17 6284 Sonoma 5 miles north of Sears Point Comment
  UCR248863  Leptochloa fusca subsp. uninervia Peter Rubtzoff 1965-8-16 5598 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) 13 Comment
  CAS-BOT-BC226543  Leptosiphon acicularis John Thomas Howell 1948-4-18 24210 Sonoma Hills east of Agua Caliente Comment
  SEINET7967475 Image available Leptosiphon androsaceus James Grimes 1981-4-29 1977 Sonoma On Highway 128 2.1 miles north of US 101, north of Cloverdale. Comment
  CAS-BOT-BC226702  Leptosiphon jepsonii G. DeNevers 1981-5-15 1205 Sonoma Pepperwood Ranch. Grazed shore of Hansel's Lake Comment
  CAS-BOT-BC226705  Leptosiphon jepsonii Alice Eastwood 1921-4-24 10365 Sonoma Santa Rosa Comment
  JEPS128322  Leptosiphon parviflorus Roger Raiche 2000-3-26 012 .00 Sonoma The Cedars. Lower Russian, Big Austin Creek watershed. Comment
  UC23774  Leptosiphon parviflorus W. H. Brewer 1862-4-17 983 Sonoma Sonoma Comment
  CAS-BOT-BC342011  Lessingia ramulosa John Thomas Howell 1926-11-14 2250 Sonoma Hills south-east of Santa Rosa 83 Comment
  CAS-BOT-BC341998  Lessingia ramulosa John Thomas Howell No date on label 2250 Sonoma SE. of Santa Rosa 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
  CAS-BOT-BC272174  Leymus triticoides J. W. Congdon 1880-7-4 s.n. Sonoma Paper Mill Creek Comment
Read comments
Feb 2 2019
  UCD127541  Ligusticum apiifolium P. G. Connors 1991-7-5 196 Sonoma Bodega Marine Laboratory, Bodega Head and Dunes. Comment
  UC353914  Lilaea scilloides Milo S. Baker 1927-5-8 2131 a Sonoma near summit Bennett Valley Road Comment
  CAS-BOT-BC451699  Lilaea scilloides John Thomas Howell 1951-5-28 s.n. Sonoma Laguna east of Sebastopol Comment
  CAS-BOT-BC451700  Lilaea scilloides Alice Eastwood 1921-4-24 10362 Sonoma Santa Rosa Comment
  CAS-BOT-BC451703  Lilaea scilloides Peter H. Raven 1963-4-12 18162 Sonoma Along U. S. 101 just south of Asti. Comment
  RSA155423  Lilaea scilloides L. S. Rose 1962-4-11 62019 Sonoma Laguna de Santa Rosa, half mile east of Cunningham. 15 Comment
  CAS-BOT-BC123087  Lilium pitkinense Lawrence Beane; Albert Michael Vollmer 1954-7-20 1270 Sonoma in the Pitkin Marsh Comment
  JEPS19605  Limnanthes douglasii W. L. Jepson 1914-4-11 5804 Sonoma Sonoma Valley 35 Comment
  UCD116502  Limnanthes douglasii Lewis S. Rose 1965-4-4 65020 Sonoma Sonoma County. 24 Comment
  UCD35883  Limnanthes douglasii Beecher Crampton 1966-5-10 7730 Sonoma 6.5 miles n. of Sonoma, State Hwy. 12. Comment
  SEINET6670409  Limnanthes douglasii M. S. Baker s.n. Sonoma Between Santa Rosa and Stony Point Comment
  UC635574  Limnanthes douglasii subsp. douglasii A. E. Borell 1928-4-13 139 Sonoma Petaluma Comment
  RSA178006  Limnanthes douglasii subsp. douglasii Robert F. Thorne 1965-4-19 34260 Sonoma Cotati, Waters Ranch 30 Comment
  RSA178016  Limnanthes douglasii subsp. douglasii Robert F. Thorne 1965-4-19 34274 a Sonoma Titus Ranch, Valley Ford. 18 Comment
  JEPS73358  Limnanthes douglasii subsp. nivea Edward Lee 1934-4-30 748 Sonoma 1 mi w Two Rock Junction Comment
  CAS-BOT-BC45947  Limnanthes vinculans Peter Rubtzoff 1966-5-29 5726 Sonoma Laguna de Santa Rosa area east of Cunningham (nr. Llano Road). Comment
  UC1331756  Limnanthes vinculans R. Ornduff 1965-5-8 6860 Sonoma e Cunningham (nr. Llano Road); Laguna de Santa Rosa Comment
  NY37427  Limnanthes vinculans P. Rubtzoff 1962-5-11 4825 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
  UCD165771  Limosella Peter Rubtzoff 1973-8-27 7271 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC249322  Limosella Peter Rubtzoff 1964-8-20 5469 Sonoma 1 mile southeast of Jenner (near crossing of Hwys. 1 & 12). Comment
  UCD166212  Limosella acaulis Peter Rubtzoff 1970-5-16 6220 Sonoma 5 miles north of Sears Point. Comment
  SEINET12329973  Linanthus androsaceus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -195 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  UC70407  Linanthus grandiflorus Milo S. Baker 1899-6-24 Sonoma near Valley Ford Comment
  JEPS112969  Linanthus parviflorus Dean W. Taylor 1994-5-4 14209 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  CAS-BOT-BC290596  Linaria Peter Rubtzoff 1987-9-27 9856 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  SEINET8724410 Image available Lithocarpus densiflorus L. Fallon 1939-1 s.n. Sonoma 15 miles west of Santa Rosa. Comment
  UC1127213  Lithophragma affine E. Armstrong 1934-3-26 934 Sonoma 2 mi w Camp Meeker; Sebastopol Quadrangle 91 Comment
  CAS-BOT-BC430798  Lithophragma affine Alice Eastwood 1918-5-1 6870 Sonoma Mt. St. Helena Comment
  POM142576  Lithophragma heterophyllum A. A. Heller, H. E. Brown 1902-4-4 5220 Sonoma Hills near Santa Rosa. Comment
  CAS-BOT-BC437151  Lithophragma heterophyllum Mrs. Clara Hunt 1921-4-1 s.n. Sonoma Mt. St. Helena Comment
  UCD84597  Lolium perenne Frederica Bowcutt 1994-6-12 1844 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. ca. 20 ft. Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  UCD84595  Lolium perenne Frederica Bowcutt 1994-6-12 1841 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Sonoma Creek near trailhead for Hillside trail. 365 Comment
  UCD167360  Lomatium californicum James Neilson 1981-5-28 4036 Sonoma Mayacmas Mountains. The Geysers. Vicinity of PG and E lookout. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET191592  Lomatium dasycarpum Lewis S. Rose 1941-5-22 31247 Sonoma Rincon Ridge, 4 mi E of Santa Rosa 122 Comment
  SEINET5321344  Lomatium dasycarpum A. G. Vestal 1962-4-11 Sonoma Occidental; 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN 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
  UC1123059  Lomatium utriculatum H. S. Yates 1934-4-21 3794 Sonoma near Bodgea; Sebastopol Quad. Comment
  UCR265128  Lomatium utriculatum Ann Howald 2015-4-1 3327 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage 318 Comment
  CAS-BOT-BC240648  Lonicera hispidula Mrs. E. C. Sutliffe 1920-8-1 s.n. Sonoma Annapolis Comment
  UCD137325  Lonicera hispidula C. Wistrom 1996-5-26 27 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  CAS-BOT-BC293682  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rohnert Park., creek bed west of Commrece Blvd. crossing. Comment
  CAS-BOT-BC294700  Lotus Peter Rubtzoff 1971-6-26 6575 Sonoma Willow Creek Marsh. Comment
  POM232043  Lotus angustissimus Roxana S. Ferris 1937-8-19 9379 Sonoma 1.5 mi. north of Fort Ross on State Highway 1. Comment
Read comments
Dec 13 2015
  UC566201  Lotus humistratus H. S. Yates 1934-4-22 3861 Sonoma near Petrified Forest; Calistoga Quad. 243 Comment
  SEINET12166761  Lotus humistratus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -235 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CDA27313  Lotus purshianus P. B. Kennedy Jun 1915 Sonoma Del Mar. 0 Comment
  UCR2752547  Lotus purshianus Peter Rubtzoff 1971-6-25 6563 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  UCR2752549  Lotus purshianus Peter Rubtzoff 1971-6-26 6575 Sonoma Willow Creek Marsh 9 Comment
  SEINET12154271  Lotus purshianus L. S. Rose 1938-1 38255 Sonoma Bloomfield 30 Comment
  UC862208  Lotus purshianus var. purshianus A. A. Heller 1938-8-11 15321 Sonoma Anderson Valley Comment
  UCR222351  Lotus scoparius var. scoparius George K. Helmkamp, E. A. Helmkamp 2010-6-4 16233 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 9.8 rd. miles east of its junction with US-101, 4.5 air miles SW (250 deg. ) of Calistoga 280 Comment
  UCD66045  Ludwigia hexapetala Robert McKee; Greg Woods 2006-7-31 06- 54 -LU Sonoma Russian River upstream of Wohler Bridge @ Sonoma County Water Agency collectors. 10 Comment
  UCD66047  Ludwigia hexapetala B. J. Grewell; Keenan Foster 2005-9-14 05- 17 -LU Sonoma Russian River upstream of Cloverdale Airport. 79 Comment
  CAS-BOT-BC251280  Ludwigia palustris Peter Rubtzoff 1961-10-23 4778 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  RSA800209  Ludwigia palustris var. pacifica Peter Rubtzoff 1954-8-12 1698 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC164056  Ludwigia peploides Peter Rubtzoff 1956-9-15 2911 Sonoma Atascadero Creek Marsh Comment
  UC423055  Ludwigia peploides subsp. peploides Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC201290  Lupinus Charles Piper Smith 1947-6-25 47570 Sonoma Highway 1, Fort Ross, 1.9 miles north Comment
  CAS-BOT-BC201293  Lupinus Mary P. Wells 1981-4-19 s.n. Sonoma Crows Nest Rd. So. of Moonraker Rd., The Sea Ranch Comment
  SEINET10488426  Lupinus albifrons Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-8 Conrad 7077 Sonoma Roadside along hwy 1, 3.4 miles n of jenner 91 Comment
  UC864972  Lupinus albifrons Alice Eastwood 1939-3-21 18902 Sonoma a few mi n Cloverdale (near Russian River); Russian River, n of Cloverdale Comment
  HSC14956  Lupinus albifrons S. N. Wiemeyer 1962-4-13 11 Sonoma 2.1 mi. N of jct. of Calistoga and Hwy. 12 274 Comment
  CAS-BOT-BC195977  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-27 48165 Sonoma Junction Melitta-Mark West-Petrified Forest roads. Petrified Forest, junction Comment
  UC130309  Lupinus arboreus J. Burtt Davy 1896-3-13 1646 Sonoma Duncan's Mills Comment
  UC1197261  Lupinus bicolor Joseph P. Tracy 1933-5-1 12127 Sonoma Knight's Valley 152 Comment
  UC73191  Lupinus bicolor Milo S. Baker 1898-4 707 Sonoma Santa Rosa Comment
  CDA27416  Lupinus bicolor T. C. Fuller 1977-4-21 20192 Sonoma Church of Christ property, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  SEINET12165191  Lupinus bicolor F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -178 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  UC865102  Lupinus chamissonis Alice Eastwood, John Thomas Howell 1939-4-2 7375 Sonoma Russian River Canyon near Monte Rio; Russian River Canyon near Monte Rio Comment
  CAS-BOT-BC8358  Lupinus formosus subsp. formosus Amos Arthur Heller 1940-4-22 15546 Sonoma Alexander Valley (label reads Anderson Valley; annotation corrects this to Alexander Valley) Comment
  SEINET10490759  Lupinus formosus var. formosus David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-9 Dunn 20712 Sonoma Coll 5.3 mi e of the jct of hwy 101 and hwy 116 on 116. Rolling hills of grasses. Along the roadside in clay banks. Comment
  SEINET10490799  Lupinus latifolius subsp. latifolius Joseph W. Congdon 1880-6-5 Congdon s.n. Sonoma Petaluma. Morphology study voucher. Comment
  SEINET12165889  Lupinus micranthus F. H. Utech 1988-1 88 -196 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh and adjoining meadows 10 Comment
  SEINET5790384 Image available Lupinus microcarpus Marcus E. Jones 1882-1 3329 Sonoma Duncan's Mills Comment
  UC865134  Lupinus microcarpus var. densiflorus A. A. Heller 1938-5-14 15091 Sonoma w of Petaluma near Two Rocks; near Two Rocks Comment
  UC1084473  Lupinus microcarpus var. microcarpus G. Thomas Robbins 1937-6-6 239 Sonoma along roadside near Bodega Bay; near Bodega Bay Comment
  UC726340  Lupinus microcarpus var. microcarpus A. A. Heller 1938-5-14 15091 Sonoma near Two Rocks; near Two Rocks Comment
  CDA27562  Lupinus nanus T. C. Fuller 1977-4-21 20191 Sonoma Church of Christ property, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  UC82220  Lupinus pachylobus Alice Eastwood 1900-4-7 Sonoma Altruria Comment
  CDA9233  Lupinus polyphyllus var. polyphyllus D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  RSA0036442  Lupinus variicolor Daisie Huang 2006-5-30 06053015 Sonoma Bodega Marine Laboratory. Coastal bluff near building. (waypt 30D). 2 Comment
  CDA27598  Lupinus variicolor T. C. Fuller 1967-5-19 15883 Sonoma At the entrance of Doran Park on the Coast Highway (Highway 1), 1 mile south of the town of Bodega Bay. 0 Comment
  CAS-BOT-BC210064  Luzula Peter Rubtzoff 1957-5-4 3301 Sonoma Duncans Mills Marsh., upper part of marsh Comment
  CAS-BOT-BC436741  Luzula comosa var. comosa John Thomas Howell 1937-6-6 13033 Sonoma Pitkin Marsh Comment
  RSA244326  Luzula comosa var. comosa Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1089 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  CAS-BOT-BC441391  Luzula subsessilis G. DeNevers 1981-5-9 1102 Sonoma Pepperwood Ranch: south of Redwood Canyon Comment
  CAS-BOT-BC441389  Luzula subsessilis John H. Thomas 1976-6-15 18315 Sonoma Southern end of the Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  OBI78308  Lysimachia latifolia Ann C. Likins 1970-5-16 133 Sonoma Starret Hill Dr, 1 mi W of Monte Rio, near Russian river 30 Comment
  RSA0015998  Lythrum hyssopifolia J. T. Howell 1930-6-8 5233 Sonoma 4 miles east of Valley Ford. Comment
  CAS-BOT-BC344029  Madia elegans J. Clausen 1935-5-24 1081 Sonoma 2 mi. W. of Monte Rio on the road to Jenner Comment
  UC990647  Madia elegans James I McMurphy 1908-9-27 Sonoma 2 mi s of Fulton Comment
  CAS-BOT-BC344038  Madia elegans CNPS Milo Baker Chapter 1985-8-20 601 Sonoma Rincon Valley, Santa Rosa Comment
  RSA144401  Madia exigua Roxana S. Ferris, Laura Lorraine 1961-6-15 13564 Sonoma Harrison Grade, 1.3 mile from junction with Green Valley Road Comment
  UC400141  Madia exigua Ynes Mexia 1929-6-2 2391 Sonoma near Mark West Springs Comment
  CAS-BOT-BC343459  Madia gracilis A. A. Heller 1902-6-23 5738 Sonoma Petrified Forest Comment
  HSC100964  Madia gracilis Peter Warner 2011-5-28 203 Sonoma Cresta Ranch (Sonoma Co. Ag. Preservation and Open Space Dist. Property; off Mark West Springs Rd. at Mark West Lodge), upslope S from Cresta Rd., near western property boundary. 0 Comment
  UCR198240  Madia madioides Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .276 Sonoma Cavesdale Road 518 Comment
  SEINET11808373  Madia madioides F. H. Utech 1986-1 86 -117 Sonoma ca 6 mi NE on Cavedale Road from junction with CA 12 600 Comment
  CAS-BOT-BC345214  Madia sativa John Thomas Howell 1932-9-17 10764 Sonoma 1 mile south of Kenwood Comment
  CAS-BOT-BC345228  Madia sativa H. M. Hall 1916-7-24 10250 Sonoma Near Petaluma Comment
  CAS-BOT-BC345260  Madia sativa David D. Keck 1933-11-6 2647 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  RSA790979  Madia sativa Peter Rubtzoff 1967-9-2 5876 Sonoma Freestone Marsh. Comment
  UC485307  Madia sativa Katharine Brandegee Sonoma Bodega Comment
  CAS-BOT-BC345263  Madia sativa Milo S. Baker 1932-8-27 6010 Sonoma M. S. Baker ranch, Adobe Canyon Comment
  SD88309  Maianthemum racemosum subsp. amplexicaule Darley F. Howe 1972-5-2 Sonoma Trail above Duncan Mills Road. Comment
  CHSC26309  Maianthemum stellatum P. Kunst 1977-4-12 31 Sonoma 170 Comment
  SEINET12051397  Maianthemum stellatum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -230 Sonoma ca 0.1 mi W on Sonoma Mt. Rd from Bennett Valley Rd along Graham Creek, W of Glen Ellen & CA 12 75 Comment
  UCR47300  Malva nicaeensis Mary M. Hektner 1976-4-3 240 Sonoma Sea Ranch Association Office, Sea Ranch, near State Hwy 1. Comment
  UC18749  Malva sylvestris J. Burtt Davy July, 1896 2964 Sonoma Russian River near Guerneville; Russian River Comment
  CAS-BOT-BC164410  Marah Peter Rubtzoff 1957-5-4 3312 Sonoma Duncans Mills Marsh area. Comment
  CAS-BOT-BC348222  Matricaria discoidea A. A. Heller; H. E. Brown 1902-6-2 5635 Sonoma Santa Rosa Comment
  CAS-BOT-BC262962  Medicago Peter Rubtzoff 1973-8-29 7282 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  UCD161374  Melica 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
  UC1132259  Melica geyeri H. S. Yates 1937-6-6 6587 Sonoma hill between Freestone and Sebastopol Sebastopol 91 Comment
  UCD87312  Melica geyeri Virginia Bufford 1936-5-21 368 Sonoma Near Skaggs Springs. Comment
  UCD87382  Melica harfordii Beecher Crampton 1955-6-8 2827 Sonoma Sonoma County, 7 miles northwest of Calistoga, along State Highway 128. Comment
  CAS-BOT-BC262562  Melica torreyana Lewis S. Rose 1965-4-4 65022 Sonoma 1 mi. north of Sonoma 60 Comment
  CAS-BOT-BC262565  Melica torreyana A. A. Heller 1902-3-27 5160 Sonoma Western base of Mt. Hood Comment
  UCD89212  Melica torreyana M. Wiesendanger 1927-5-5 734 Sonoma Kenwood Springs. Comment
  SEINET6205052  Melica torreyana L. S. Rose 1965-1 65022 Sonoma 1 mi N of Sonoma Comment
  UC1146661  Melica torreyana Freed W. Hoffman 1944-5-22 1996 Sonoma near ocean shore Cruz Ranch; North Coast Ranges Comment
  UCD89203  Melica torreyana R. Tofsrud 1942-4-1 s.n. Sonoma Road to 'Top O'World. Comment
  CAS-BOT-BC164067  Mentha Peter Rubtzoff 1960-10-29 4584 Sonoma Laguna de Santa Rosa, east of Graton (btwn. Occidental and Guerneville Road). Comment
  RSA785662  Mentha Peter Rubtzoff 1954-8-11 1686 Sonoma Guerneville Marsh. Comment
  UCD148376  Mentha pulegium Peter Rubtzoff 1955-9-24 2157 Sonoma Guerneville Marsh. Comment
  RSA785148  Mentha rotundifolia Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh. Comment
  RSA785145  Mentha spicata Peter Rubtzoff 1973-9-9 7315 Sonoma Kenwood Marsh. Comment
  JEPS87221  Mentzelia dispersa Jack and Betty Guggolz 1992-6-13 1314 Sonoma e Geyserville; Black Mountain, Anderson Trail; on the west side of Black Mountain NW 1/4 of NW1/4 615 Comment
  UC19606  Mentzelia laevicaulis unknown 1888-10-15 Sonoma below Guernerville (Russian River) Comment
  RSA54045  Micropus amphibolus J. T. Howell 1948-4-18 24203 Sonoma Hills east of Agua Caliente. Comment
  UCD134481  Micropus amphibolus John Thomas Howell 1965-3-25 41033 Sonoma 3 miles southeast of Sonoma. 76 Comment
  UCD132847  Micropus californicus Frederica Bowcutt; Joy Keeney, Adam Greene 1994-5-21 1816 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; 10 air miles E of Santa Rosa; 18 air miles NW of Napa; 1.5 air miles N of Kenwood.On Meadow Trail approx. 3/4 mile from the trail head, east from trail about 100 yds. 411 Comment
  CAS-BOT-BC348625  Micropus californicus var. californicus David D. Keck 1933-5-28 2324 Sonoma 3.4 miles east of Shellville (just east of intersection of Sonoma road) Comment
  CAS-BOT-BC348622  Micropus californicus var. californicus H. L. Mason 1934-4-28 8090 Sonoma Jensen's Ranch (near orchard), Dohrmann Creek Comment
  RSA52653  Micropus californicus var. californicus I. L. Wiggins 1949-4-30 12069 Sonoma 4 miles W of Calistoga, just W of country line. Comment
  SD134025  Microseris douglasii Greg de Nevers 1987-4-25 8167 Sonoma Pepperwood Ranch Natural POreserve; 3500 Franz Valley Road 99 Comment
  JEPS85522  Microseris laciniata Charles F. Quibell 1990-5-20 2019 Sonoma Hunter Lane, northeast of Rohnert Park, 0.2 mi west of junction with Petaluma Hill Road. Comment
  CAS-BOT-BC322708  Microseris laciniata John Thomas Howell 1937-7-4 13081 Sonoma 4 miles west of Santa Rosa Comment
  UCD165221  Microseris laciniata subsp. laciniata Peter Rubtzoff; Nancy Harrison, Dug Jones 1974-6-8 7576 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC322748  Microseris paludosa Ella Dales Cantelow 1941-4-18 3508 Sonoma 2 miles north of Windsor Comment
  UCD118900  Microsteris gracilis Botany 102 Students 1993-4-24 92 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail. 411 Comment
  SD7425  Mimetanthe pilosa Michener, Bioletti 1892-7-3 1686 a Sonoma Healdsburg Comment
  CAS-BOT-BC320530  Mimulus Peter Rubtzoff 1966-5-29 5742 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC311876  Mimulus Peter Rubtzoff 1959-6-20 4171 Sonoma Willow Creek Marsh. Comment
  JEPS76921  Mimulus aurantiacus Robert M. Lloyd 1963-2-24 2057 Sonoma 4 mi s State Highway 12 (above State Highway 1) 15 Comment
  JEPS87263  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-5 1113 Sonoma n Boyes Hot Springs (0.6 mi e of Hwy. 12 along Cavedale Road) 160 Comment
  UC445122  Mimulus aurantiacus var. aurantiacus Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  CDA15996  Mimulus cardinalis G. F. Hrusa, M. Gillogly 2000-7-26 15676 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Comment
  UC27048  Mimulus congdonii F. T. Bioletti 1894-1 Sonoma near Hood's Peak Comment
  UCR248896  Mimulus guttatus Peter Rubtzoff 1954-6-20 1513 Sonoma Guerneville Marsh Comment
  UCR252544  Mimulus guttatus Peter Rubtzoff 1962-5-30 4849 Sonoma Freestone Marsh 79 Comment
  UCR252547  Mimulus guttatus Peter Rubtzoff 1964-8-26 5476 Sonoma Central Coast, [Lichau] Marsh, 5 miles northeast of Penngrove on Lichau Road 220 Comment
  UCR275267  Mimulus guttatus Peter Rubtzoff 1955-8-20 2081 Sonoma Bodega Harbor Marsh 0 Comment
  UC353818  Mimulus inodorus Milo S. Baker 1928-6-28 3191 b Sonoma Pitkin's Marsh Vine Hill District Comment
  RSA80677  Mimulus kelloggii E. K. Balls, Lee W. Lenz 1952-5-8 17112 Sonoma 0.4 mi. s. of Franz Valley Road along road from Mark West Springs to Kellogg. 107 Comment
  UC26937  Mimulus microphyllus F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  UC27014  Mimulus microphyllus W. H. Brewer 1862-4-18 974 Sonoma near Sonoma Comment
  JEPS3030  Mimulus tricolor Milo S. Baker 1952-4-30 12408 B Sonoma along road e of Summit Bennett Valley rd. Comment
  SBBG53026  Minuartia douglasii M. R. Benedict 1978-4-18 Sonoma Warm Springs Dam site, Dry Crk Valley Comment
  CAS-BOT-BC388894  Minuartia douglasii G. DeNevers 1982-5-2 1975 Sonoma Pepperwood Ranch. On banks of Hansel's Lake Comment
  CAS-BOT-BC366893  Miscanthus sinensis Greg de Nevers 1997-10-9 11103 Sonoma Downtown Santa Rosa, at Post Office Comment
  CAS-BOT-BC435110  Mollugo verticillata Peter Rubtzoff 1958-9-21 4002 Sonoma Vacation Beach, near Guerneville. Bottom of Russian River. Comment
  CAS-BOT-BC435113  Mollugo verticillata Peter Rubtzoff 1961-8-25 4714 Sonoma Forest Hills, east of Guerneville. Bottom of Russian River. Comment
  JEPS86348  Monardella villosa Jack and Betty Guggolz 1988-5-8 927 Sonoma Comment
  CAS-BOT-BC220503  Monardella villosa John Thomas Howell 1929-6-30 6316 Sonoma 6 miles from Petrified Forest on road to Knights Valley Comment
  UC634860  Monardella villosa subsp. franciscana H. L. Mason 1928-7-10 4883 Sonoma Near Ocean, Jenner Comment
  JEPS87250  Monardella villosa subsp. villosa Jack and Betty Guggolz 1991-6-10 1182 Sonoma About 1/4 mile SE of the quarry on the west side of Buzzard Peak, about 3.0 miles east of Northern Santa Rosa. 304 Comment
  CAS-BOT-BC314179  Monardella villosa subsp. villosa Ella Dales Cantelow 1941-6-7 3706 Sonoma 3.2 mi N of Jenner. State Hwy 1. Comment
  UCR42321  Monardella viridis L. F. LaPre 1985-6-25 s.n. Sonoma Coast Ranges, Socrates Mine, c. 9 mi. ENE of Geyserville 917 Comment
  CAS-BOT-BC444995  Montia fontana Greg de Nevers 1993-3-7 10320 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 304 Comment
  CAS-BOT-BC444992  Montia fontana G. DeNevers 1981-4-1 659 Sonoma Pepperwood Ranch. 30 m S of Aluminum Pepperwood Gate. Comment
  SEINET11933973  Montia gypsophiloides W. Knight, Knight, I.; Edwards, S. 1986-1 5308 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Road 861 Comment
  UC70442  Montia parvifolia Milo S. Baker July 1902 Sonoma Sonoma Creek Canyon Comment
  SD99365  Morella californica Christopher Davidson 1977-6-17 5887 Sonoma Coast Highway 1, ca. 3.0 miles north of Jenner. Comment
  SJSU476  Morus alba A. W. Jacobs 1940-5-29 Sonoma Luther Burbank Gardens, Santa Rosa 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
  UCR222562  Myosotis latifolia George K. Helmkamp, E. A. Helmkamp 2010-6-5 16253 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
  UCD119530  Myosotis latifolia N. F. Sommer 1954-5-15 81 Sonoma State Highway 12, at park on north edge of Occidental. 30 Comment
  UCD166291  Myosurus Peter Rubtzoff 1966-5-7 5703 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC101797  Myrica californica Lewis S. Rose 1962-4-11 62017 Sonoma Laguna de Santa Rosa 1/2 mi. e. of Cunningham 15 Comment
  RSA800083  Myriophyllum Peter Rubtzoff 1971-9-3 6702 Sonoma Spring Creek Reservoir area. Comment
  CAS-BOT-BC251161  Myriophyllum hippuroides Peter Rubtzoff 1966-8-21 5797 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC268089  Myriophyllum hippuroides Peter Rubtzoff 1955-7-2 1916 Sonoma Boggs Lake, southern shore of the lake. Comment
  CAS-BOT-BC260070  Nassella lepida Peter Rubtzoff 1952-6-3 1149 Sonoma S slopes of Fitch Mountain, near Healdsburg Comment
  CAS-BOT-BC260073  Nassella lepida G. DeNevers 1981-5-30 1403 Sonoma Pepperwood Ranch. E slope of Horse Hill Comment
  UC856857  Navarretia cotulifolia A. A. Heller 1902-6-4 5638 Sonoma Santa Rosa Comment
  UCR197893  Navarretia heterodoxa Calvin McMillan 1949-1 597 Sonoma Trinity Road, 6 miles northeast of Glen Ellen 368 Comment
  UC907821  Navarretia leucocephala subsp. bakeri Herbert L. Mason 1934-4-28 8094 Sonoma highway between Healdsburg and Santa Rosa Comment
  JEPS104972  Navarretia mellita Dean W. Taylor 1998-6-22 16681 Sonoma Geysers area, ca. 0.3 miles east along ridge from Eagle Rock Substation (ridge dividing Bear Canyon from Squaw Cr.) 792 Comment
  POM258874  Navarretia mellita J. T. Howell 1937-7-4 13075 Sonoma Near Petrified Forest. Comment
  POM261291  Navarretia pubescens L. S. Rose 1940-5-22 40371 Sonoma Sonoma 30 Comment
  CDA38609  Navarretia squarrosa A. Smith & C. Morgan 2012-7-12 PDR# 1604317 Sonoma Vicinity of Annapolis. 0 Comment
  UC101996  Navarretia tagetina Katharine Brandegee Jun 1905 Sonoma between Santa Rosa and Sebastopol Comment
  SEINET191457  Navarretia tagetina Lewis S. Rose 1940-5-22 40373 Sonoma Sonomoa 30 Comment
  UC52677  Navarretia viscidula W. A. Setchell 1897-6-16 Sonoma Cazadero Comment
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Dec 31 2015
  UC24177  Nemophila heterophylla H. N. Bolander April 1864 3811 Sonoma Santa Rosa Creek Comment
  UCR265121  Nemophila heterophylla Ann Howald 2015-4-1 3326 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  SEINET7067240  Nemophila menziesii A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head. Coordinate datum: NAD27. Comment
  HSC34933  Nemophila menziesii Thomas W. Nelson, MarJames Nelson 1975-3-25 1755 Sonoma Beside Hwy. 128 E of Geyserville Comment
  UC67151  Nemophila menziesii var. atomaria Milo S. Baker 1899-3 Sonoma near Kenwood (Dr. Turk Canyon); Dr Turk Canyon, near Kenwood Comment
  UCSB13213  Nemophila menziesii var. atomaria Dearing, Hugh; Dearing, Margaret 1939-5-14 Sonoma Bodega State Park Comment
  CAS-BOT-BC368029  Nemophila parviflora Greg de Nevers 1998-6-15 11284 Sonoma CYO Camp on Bohemian Highway. Comment
  CAS-BOT-BC230567  Nemophila parviflora var. parviflora A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross Comment
  RSA788377  Nicotiana bigelovii Peter Rubtzoff 1959-9-19 4284 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  CAS-BOT-BC400119  Nuphar polysepala Peter Rubtzoff 1951-6-9 188 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC400121  Nuphar polysepala Peter Rubtzoff 1951-7-8 417 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  JEPS76925  Oemleria cerasiformis Robert M. Lloyd 1963-2-24 2054 Sonoma 4 mi s State Highway 12 (on State Highway 1) 15 Comment
  POM89246  Oemleria cerasiformis Marcus E. Jones 1982-7-18 3578 Sonoma Duncan Mill Comment
Read comments
Mar 22 2010
  UC1084460  Oenanthe sarmentosa G. Thomas Robbins 1937-6-5 222 Sonoma ca. 10 mi. w. Santa Rosa (Marsh on Pitkin Ranch, Vine Hill Region); Vine Hill region, Marsh on Pitkin Ranch Comment
  UC566873  Oenanthe sarmentosa H. L. Mason June, 1930 5647 Sonoma mouth of Gualala R. Comment
  SD38672  Oenothera elata subsp. hookeri Edith A. Purer 1932-7-21 4045 Sonoma Bodega Bay Comment
  SEINET6171222 Image available Orobanche bulbosa Sally Walker 1984-7-22 Sonoma Schoolhouse beach Comment
  JEPS14552  Orobanche fasciculata Peter Kamb 1951-6-17 1876 Sonoma Larkspur Rock', south side of Cheney Gulch, 2.9 miles west of fork in road to Bodega and Valley Ford. Comment
  CAS-BOT-BC500335  Orobanche uniflora subsp. occidentalis J. W. Congdon 1880-4-13 s.n. Sonoma Petaluma Comment
  POM15638  Orthocarpus erianthus A. A. Heller, H. E. Brown 1902-4-15 5292 Sonoma Santa Rosa. Comment
  RSA40113  Orthocarpus faucibarbatus L. S. Rose 1948-5-1 48097 Sonoma Valley Ford. 14 Comment
  CAS-BOT-BC7002  Orthocarpus faucibarbatus var. albidus David Daniels Keck; Jens Chr. Clausen 1935-6-15 3375 Sonoma 3 mi. S of Russian River mouth Comment
  POM15358  Orthocarpus pusillus A. A. Heller, H. E. Brown 1902-4-8 5230 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  SEINET3143955  Osmorhiza chilensis L. S. Rose 1940-5-6 40263 Sonoma Sonoma Creek Canyon 213 Comment
  UC17201  Oxalis albicans subsp. pilosa Harley P. Chandler 1900-5-25 668 Sonoma Bodega Comment
  SBBG3948  Oxalis oregana H. and M. Dearing 1939-5-14 3379 Sonoma N of Fort Ross Comment
  SEINET11744645 Image available Packera greenei H. K. Sharsmith 1952-6-18 4127 Sonoma Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains.; 38.7619444 -122.7583333 975 Comment
  UC91652  Packera greenei Brandegee May 1890 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC317144  Packera streptanthifolia Milo S. Baker 1934-4-28 7605 Sonoma NE corner of Jensen Ranch, west of Dry Creek Valley Comment
  CAS-BOT-BC254465  Panicum Peter Rubtzoff 1986-9-28 9749 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville Comment
  CAS-BOT-BC376219  Panicum Greg de Nevers 1996-9-6 10873 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Mark West Creek 487 Comment
  RSA784566  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River bottom at Forest HIlls, 5.5 mi east of Guerneville. Comment
  RSA94264  Panicum acuminatum var. acuminatum Peter Rubtzoff 1951-6-7 134 Sonoma Western branch of the Upper marsh; Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC253774  Panicum capillare Peter Rubtzoff 1956-9-14 2862 Sonoma Russian River bottom, Vacation Beach, near Guerneville Comment
  SEINET10601107  Panicum hillmanii Walter Knight, Irja Knight; John Thomas Howell 1986-10-9 Knight 5854 Sonoma Pennygrove. Edge of driveway at fire department entrance. 12 Comment
  UC1146647  Panicum miliaceum subsp. miliaceum Freed W. Hoffman 1942-8-26 2272 Sonoma near Guerneville (Herr Ranch); North Coast Ranges, Herr Ranch Comment
  UCD88621  Parapholis incurva Beecher Crampton 1957-7-11 4316 Sonoma western edge of Bodega Harbor. About 2 miles, by road, west of the town of Bodega Bay. Comment
  RSA800123  Parentucellia viscosa Peter Rubtzoff 1971-6-10 6538 Sonoma Pitkin Marsh, near Forestville, along western border of the upper part of the marsh. Comment
  SEINET12329970  Parentucellia viscosa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -157 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 120 Comment
  CAS-BOT-BC175545  Parnassia palustris Roger Raiche 1885-8-10 50721 Sonoma The Cedars, N of Cazadero, headwaters of Big Austin Creek 243 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-BC265696  Paspalum distichum Peter Rubtzoff 1958-9-20 3989 Sonoma Laguna de Santa Rosa north of Sepastopol, near Occidental Road Comment
  UCD148512  Paspalum distichum Peter Rubtzoff 1965-8-16 5607 Sonoma Russina River margin at Forest Hills (5.5 miles E of Guerneville). Comment
  CAS-BOT-BC376221  Pectocarya pusilla Greg de Nevers 1992-4-28 10120 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Hendley Flat 457 Comment
  CDA11181  Pedicularis densiflora G. F. Hrusa 1988-2-21 5499 Sonoma North Coast Biodiversity Arena; Sugarloaf Ridge State Park. on Red Mountain Trail. Comment
  UC76109  Pedicularis densiflora Milo S. Baker 1898-4-2 Sonoma near Forestville Comment
  RSA800161  Pelargonium capitatum Peter Rubtzoff 1970-10-29 6424 Sonoma Bodega Harbor Marsh. Comment
  UCD158871  Pellaea mucronata James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2913 Sonoma Mayacmas Mountains; unnamed creek east of Truit Creek, ca 2 miles west of The Geysers. (Elevation estimated by label maker using Google Earth.) 457 Comment
  UC1238912  Penstemon heterophyllus var. heterophyllus Freed W. Hoffman 1947-8-4 1419 Sonoma Mt. St. Helena North Coast Ranges 609 Comment
  NY601758  Penstemon heterophyllus var. purdyi A. A. Heller 1902-5-29 5625 Sonoma Mount Hood Comment
  CAS-BOT-BC245722  Penstemon newberryi var. sonomensis F. T. Bioletti; Michener 1893-5-1 91 Sonoma Hood's Peak Comment
  JEPS83484  Penstemon newberryi var. sonomensis Jack and Betty Guggolz 1986-5-27 876 Sonoma just to the nw lookout on Mt. St. Helena; nw of the lookout on Mt. St. Helena Comment
  UC35615  Pentachaeta exilis F. T. Bioletti 1892-1 Sonoma Comment
  CAS-BOT-BC222742  Perideridia gairdneri subsp. gairdneri John Thomas Howell 1946-8-17 22862 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC222745  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1962-8-3 5017 Sonoma Atascadero Creek Marsh Comment
  RSA94300  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1951-9-15 752 Sonoma Pitkin Marsh, near Forestville, western branch of the upper marsh Comment
  RSA224244  Perideridia kelloggii Peter Rubtzoff 1969-7-25 6120 Sonoma 6.5 miles NE of Penngrove, on Lichan Road 427 Comment
  RSA97466  Perideridia kelloggii F. W. Peirson 1925-8-8 6343 Sonoma 5 miles south of Santa Rosa Comment
  UCD127853  Perideridia kelloggii Mary M. Hektner 1976-10-19 271 Sonoma north of draw by intersection of Pacific Reach Road and Wilel Moor Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC413662  Persicaria amphibia Peter Rubtzoff 1963-7-14 5198 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC413665  Persicaria amphibia Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  UCD161302  Persicaria amphibia James A Neilson Jr. 1976-5-10 3688 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC413641  Persicaria amphibia Peter Rubtzoff 1971-9-3 6694 Sonoma Spring Creek Reservoir area 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-BC413741  Persicaria hydropiper John Thomas Howell 1932-9-18 10779 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC418918  Persicaria hydropiperoides Peter Rubtzoff 1958-8-16 3880 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CAS-BOT-BC418924  Persicaria hydropiperoides Peter Rubtzoff 1960-6-9 4476 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road Comment
  CAS-BOT-BC418894  Persicaria hydropiperoides Catherine Best 1981-8-22 s.n. Sonoma On Stoetz Lane about 2 miles northeast of Occidental Comment
  CAS-BOT-BC419270  Persicaria maculosa Peter Rubtzoff 1969-8-29 6171 Sonoma Beach of Salmon Creek ca. 1/2 mi. upstream from Hwy. #1 Comment
  CAS-BOT-BC419273  Persicaria maculosa Peter Rubtzoff 1970-8-5 6300 Sonoma 5 mi. north of Sears Point Comment
  CAS-BOT-BC419429  Persicaria punctata Peter Rubtzoff 1955-9-24 2156 Sonoma Guerneville Marsh Comment
  UCD161297  Petrorhagia prolifera James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3718 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
  SD99425  Phacelia imbricata var. imbricata Christopher Davidson 1977-6-20 6019 Sonoma Dry Creek Road, 9.3 miles west of Geyserville. 91 Comment
  RSA428278B  Phacelia suaveolens subsp. suaveolens Peter H. Raven 1965-5-16 20219 Sonoma Near Frantz District School. Comment
  JEPS41073  Phacelia suaveolens var. suaveolens Rimo Bacigalupi and L. R. Heckard, J. R. Sweeney 1965-5-16 9110 Sonoma 1 1/4 mi due w of Sonoma-Napa County Line (along Franz Valley School Road); Franz Valley School Road 219 Comment
  CAS-BOT-BC258846  Phalaris angusta Peter Rubtzoff 1962-5-30 4851 Sonoma Freestone Marsh Comment
  UCD88336  Phalaris angusta H. S. Yates 1936-5-16 5617 Sonoma California Forest and Range Experiment Station. Near Green Valley School. 91 Comment
  CAS-BOT-BC258949  Phalaris aquatica Walter Knight; Irja Knight 1963-9-11 281 Sonoma Live Oak Road, Liberty Dist. Petaluma Comment
  CAS-BOT-BC258950  Phalaris aquatica J. Penalosa 1961-5-24 1602 Sonoma Pepper Rd. 0.9 mi. N of Petaluma - Valley Ford Rd. Comment
  CAS-BOT-BC258953  Phalaris aquatica Mary P. Wells 1981-8-2 s.n. Sonoma Hedge Gate Road, Unit 21, The Sea Ranch Comment
  CAS-BOT-BC265842  Phalaris arundinacea Peter Rubtzoff 1958-7-26 3803 Sonoma Laguna de Santa Rosa east of Sebastapol, Sonoma County Marshes Comment
  CAS-BOT-BC250744  Phalaris paradoxa David L. Morgan 1956-5-17 s.n. Sonoma On Watmaugh Rd., 1/2 mi. W. of junction of Arnold Drive Comment
  CAS-BOT-BC253562  Phleum alpinum Alice Eastwood 1915-6-29 4874 Sonoma Bodega Point Comment
  JEPS128175  Phlox speciosa Roger Raiche 2001-5-17 026 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC222474  Pholistoma Saichi Kawahara 1968-4-20 316 Sonoma 3 miles northeast of Lakeville Road 76 Comment
  UC762700  Phoradendron densum Robert F. Hoover 1941-6-7 5311 Sonoma 2 mi. s.e. Monte Rio (on rd. to Camp Meeker) Comment
  RSA247439  Phoradendron macrophyllum Peter Rubtzoff 1965-10-10 5655 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd). Comment
  CAS-BOT-BC141057  Phoradendron serotinum subsp. macrophyllum Peter Rubtzoff 1965-10-10 5655 Sonoma Laguna de Santa Rosa NE of Graton (W. Guerneville Rd. crossing) Comment
  UCD158851  Pickeringia montana James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2924 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  JEPS46086  Pickeringia montana var. montana Eleanor Armstrong May 1932 502 Sonoma on Occidental Mill rd 2 mi w Sturgeons Mill 60 Comment
  JEPS83584  Pinus Sarah Flowers 1988-2-5 Sonoma 20 ft w Hwy. 1 (and 12 ft n off parking entrance, Hwy 1 rd. marker 52.32 at Pebble Beach Access Trl., Sea Ranch) 7 Comment
  UCD158878  Pinus ponderosa James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2900 Sonoma Mayacmas Mountains; northeast corner of Section 15, southwest of The Geysers. (Elevation estimated by label maker using Google Earth.) 609 Comment
  SEINET5334779  Pinus radiata L. Fallon 1939-1-6 s.n. Sonoma 7 mi. N of Santa Rosa Comment
  JEPS128339  Piperia Roger Raiche 2010-7-17 038 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD138999  Piperia elegans K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC361422  Piperia elongata Greg de Nevers 1993-7-8 10472 Sonoma Field redacted by CAS, contact the data manager for more information 400 Comment
  RSA0047139  Piptochaetium setosum Tina Fabula 1996-6-10 s.n. Sonoma Fort Ross State Park. 134 Comment
  CAS-BOT-BC166944  Plagiobothrys Peter Rubtzoff 1969-5-3 6018 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC155000  Plagiobothrys Peter Rubtzoff 1970-5-30 6237 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC156307  Plagiobothrys Peter Rubtzoff 1970-5-30 6233 Sonoma 5 miles north of Sears Point. Comment
  UC1601345  Plagiobothrys bracteatus Milo S. Baker 1898-5-7 629 Sonoma Glen Ellen Comment
  UCD84292  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  RSA0083876  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-16 6219 Sonoma 5 miles north of Sears Point Comment
  UC905097  Plagiobothrys greenei Lewis S. Rose 1949-4-6 49028 Sonoma western outskirts Sonoma 29 Comment
  JEPS60987  Plagiobothrys reticulatus var. reticulatus K. Brandegee June 1905 Sonoma Bodega Bay Comment
  RSA8384  Plagiobothrys reticulatus var. rossianorum L. S. Rose 1933-5-9 33155 Sonoma Bodega Bay. Comment
  SEINET3292823 Image available Plagiobothrys scouleri Lewis S. Rose 1933-5-9 33155 Sonoma Bodega Bay Comment
  UCR141955  Plagiobothrys stipitatus var. micranthus Beecher Crampton 1966-5-10 7729 Sonoma Coast Range, 6.5 miles north of Sonoma on State Hwy 12, Calif. Dept. of Forestry Glen Ellen station 76 Comment
  RSA151887  Plagiobothrys undulatus Robert Ornduff 1960-4-21 6072 Sonoma West edge of Sonoma. Both sides of Hayes St., south of Sonoma Elementary School. Comment
  UC730020  Plantago erecta Leo F. Koch 1940-4-24 847 Sonoma just n Warfield Station Comment
  UCD124491  Plantago erecta Valerie Bullock; Erik Beever, Rimy Waraich, Patti Togioka 1993-5-8 219 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 at base of wooded area. 365 Comment
  UC1073296  Platystemon californicus George B. Rossbach 1955-3-19 279 Sonoma w rim Bodega Head; w rim of Bodega Head 45 Comment
  SD130425  Platystemon californicus F. Almeda, G. DeNevers 1981-3-30 4882 Sonoma Vicinity of the Bechtel Cabin. Comment
  CAS-BOT-BC173802  Pleuropogon Peter Rubtzoff 1966-5-7 5708 Sonoma On north side of Hessel Road, just west of Highway 116. Comment
  UCD166295  Pleuropogon Peter Rubtzoff 1966-5-7 5708 Sonoma On North side of Hessel Road, just west of Highway 116. Comment
  UC25113  Pleuropogon californicus G. Thomas Robbins with Hsuan Keng and Erika Amstutz 1959-4-3 3967 Sonoma ne of Santa Rosa (Rincon Valley, along Montecito Road, w of Middle Rincon Road); Rincon Valley 86 Comment
  UC573374  Pleuropogon californicus H. S. Yates 1937-6-5 6675 Sonoma near Wildwood 121 Comment
  UCD90112  Pleuropogon californicus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3574 Sonoma corner of Wright Rd. and Rt. 12, outskirts of Santa Rosa. Comment
  CAS-BOT-BC260975  Pleuropogon californicus var. californicus Peter Rubtzoff 1958-4-26 3600 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC260984  Pleuropogon californicus var. californicus Peter H. Raven 1963-4-28 18252 Sonoma 4.7 miles south of El Verano on Arnold Drive Comment
  CAS-BOT-BC260972  Pleuropogon californicus var. californicus Peter Rubtzoff 1958-5-10 3644 Sonoma Laguna de Santa Rosa east of Cunningham near Llamo Road Comment
  CAS-BOT-BC260983  Pleuropogon californicus var. californicus J. W. Congdon 1880-4-19 s.n. Sonoma Petaluma Comment
  SEINET10611506  Pleuropogon californicus var. californicus Edward Lee 1934-4-30 Lee 753 Sonoma 1 mile west of 2 Rock junction. Comment
  UCD90182  Pleuropogon californicus var. californicus R. Tofsrud 1942-4-1 s.n. Sonoma 1/2 mile north of Lewis School, Santa Rosa. Comment
  UCSB63833  Pleuropogon davyi James D. Jokerst 1993-5-13 3979 Sonoma collected the Sonoma Air Center Sonoma Air Center Comment
  CAS-BOT-BC255607  Poa annua Mary P. Wells 1985-9-9 616 Sonoma At Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC255612  Poa annua Peter Rubtzoff 1952-3-23 884 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the E Comment
  CAS-BOT-BC255058  Poa compressa Peter H. Raven 1950-4-23 1884 Sonoma Sobre Vista 152 Comment
  POM204981  Poa douglasii A. A. Heller 1902-3-29 5187 Sonoma Bodega Bay Comment
  SEINET10602223  Poa nevadensis A. Arthur Heller 1902-4-9 Heller 5249 Sonoma In a railroad cut 3 miles South of Healdsburg. Comment
  CAS-BOT-BC256026  Poa pratensis Catherine Best 1981-6-5 s.n. Sonoma Stoltz Lane about 2 miles N.E. of Occidental Comment
  CAS-BOT-BC256040  Poa pratensis Peter Rubtzoff 1960-5-18 4381 Sonoma Bodega Head Marsh Comment
  CHSC20580  Poa pratensis Carol C. Getzinger 1964-5-9 80 Sonoma .5 miles north of Marin County line on highway 37. Roadside close to field. 30 Comment
  CAS-BOT-BC243252  Poa secunda subsp. secunda G. DeNevers 1981-4-25 803 Sonoma Pepperwood Ranch. Along Franz Valley Road below lower Pepperwood entrance Comment
  CAS-BOT-BC243255  Poa secunda subsp. secunda G. DeNevers 1981-4-4 622 Sonoma Pepperwood Ranch. By the Studio Comment
  UCD91719  Poa secunda subsp. secunda David L. Morgan 1961-4-12 s.n. Sonoma SW of Cotati. Comment
  CAS-BOT-BC244192  Poa trivialis Peter Rubtzoff 1951-7-8 410 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC244195  Poa trivialis Peter Rubtzoff 1959-6-13 4121 Sonoma Willow Creek Marsh Comment
  RSA129473  Poa trivialis H. S. Yates 1937-5-30 6558 Sonoma 1 1/2 miles N of Freestone. 91 Comment
  RSA227197  Poa trivialis Peter Rubtzoff 1955-7-17 1972 Sonoma Guerneville Marsh. Comment
  UCD92096  Poa trivialis Beecher Crampton 1955-6-17 2939 Sonoma 0.5 mile south of Guerneville. Comment
  UCD125256  Pogogyne douglasii G. F. Hrusa; R. Gross 1996-6-30 13065 Sonoma Permanent spring-derived pool at W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. 700 Comment
  CDA40768  Pogogyne douglasii subsp. minor Peter Rubtzoff 1971-5-3 6487 Sonoma 4.25 miles west of Glen Ellen. 0 Comment
  JEPS46103  Polygala californica Eleanor Armstrong 1932-5-18 474 Sonoma Camp Meeker 121 Comment
  POM138788  Polygala californica Michener, Bioletti 1893-5-7 s.n. Sonoma Hood's Peak Comment
  UCD136449  Polygala californica M. Rei Scampavia Evangelista 2012-5-20 13 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  RSA135334  Polygala californica Volney Rattan 1883-5-9 s.n. Sonoma Glen Ellen Comment
  SEINET12205240  Polygala californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -162 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  SEINET12205658  Polygala californica F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -240 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UCR255683  Polygonum amphibium Greg de Nevers 1998-6-28 11296 Sonoma Laufenberg Ranch, Spencer Lane, Knights Valley 143 Comment
  CAS-BOT-BC164071  Polygonum aviculare Peter Rubtzoff 1958-8-9 3828 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  UCD99974  Polygonum aviculare subsp. depressum Frederica Bowcutt 1996-5-18 2120 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon about 1/2 air mile NNW of Bald Mtn. 396 Comment
  CAS-BOT-BC414317  Polygonum aviculare subsp. neglectum Peter Rubtzoff 1959-6-20 4161 Sonoma Willow Creek Marsh Comment
  UCR19269  Polygonum convolvulus John C. Roos 1959-7-30 s.n. Sonoma North Coast Ranges, Healdsburg garden Comment
  RSA234570  Polygonum punctatum Peter Rubtzoff 1955-8-28 2106 Sonoma Forestville Marsh Comment
  CAS-BOT-BC72012  Polypodium californicum J. W. Congdon s.n. Sonoma Santa Rosa Comment
  POM198410  Polypodium glycyrrhiza Marcus E. Jones 1931-7-5 29173 a Sonoma The Geysers. Comment
  SEINET11719105  Polypodium glycyrrhiza S. W. Edwards 1986-1 s.n. Sonoma St. Helena Rd, 5.55 mi from Calistoga Rd., 6.7 mi from hwy in St. Helena Comment
  JEPS60082  Polypodium scouleri Alice Griffin 1924-9-1 Sonoma Stewart's Point Comment
  UC1051680  Polypodium scouleri Peter Kamb 1950-6-17 1881 Sonoma 2.9 mi w of fork in road to Bodega and Valley Ford (Larkspur Rock); s side Cheney Gulch 30 Comment
  CAS-BOT-BC312688  Polypogon Peter Rubtzoff 1986-7-13 9723 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD92446  Polypogon Beecher Crampton 1957-5-16 4040 Sonoma 3 miles SW of Cloverdale, Hot Springs Road. Comment
  UCD90986  Polypogon australis Peter Rubtzoff 1961-9-20 4754 Sonoma Willow Creek Marsh. Comment
  HSC10828  Polypogon interruptus Leo Koch 1940-6-5 1012 Sonoma 3 mi. N of Santa Rosa along Hwy. 101, near pond in hills behind Fountaingrove Vineyard Comment
  RSA129381  Polypogon interruptus H. S. Yates 1937-6-6 6584 Sonoma 3 miles east of Jenner. 61 Comment
  SEINET4889753  Polypogon interruptus L. Koch 1940-6-5 1012 Sonoma Hills behind Fountaingrove Vinyard, 3 miles north of Santa Rosa along HWY 101 Comment
  CAS-BOT-BC233228  Polypogon maritimus Peter Rubtzoff 1969-8-27 6162 Sonoma Russian River bottom at Forest Hills, 5.5 miles E of Guerneville Comment
  SEINET8465033 Image available Polypogon monspeliensis G. K Helmkamp, E. A. Helmkamp 2010-6-4 16224 Sonoma North Coast Ranges; Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  UC463112  Polypogon monspeliensis Milo S. Baker 1931-6-4 5235 Sonoma Griffin Ranch s Kenwood Comment
  UC50644  Polypogon monspeliensis A. B. Leckenby 1896-6-9 Sonoma Petaluma Comment
  UC963915  Polypogon monspeliensis Milo S. Baker 1946-10 11704 Sonoma less than 1 mi n junction of Sears Point Cutoff and Black Point Hwy (near Bay Marsh); n of junction of Sears Point Cutoff and Black Point Hwy Comment
  CAS-BOT-BC368071  Polystichum californicum Greg de Nevers 1998-5-31 11269 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Mark West Creek. 400 Comment
  CAS-BOT-BC72165  Polystichum californicum G. DeNevers 1982-2-9 1886 Sonoma beneath big power lines W of Garrison house, due W of Fir Forest Comment
  UC42162  Polystichum californicum F. T. Bioletti 1891-12-25 Sonoma Sonoma Comment
  UC62818  Polystichum californicum J. Burtt Davy 1896-3-13 1661 Sonoma Cazadero Comment
  CAS-BOT-BC72169  Polystichum californicum Walter Knight; Irja Knight; Dr. Stephen W. Edwards 1986-8-17 5510 Sonoma 4.85 miles from end of Mill Creek Road Comment
  CAS-BOT-BC72175  Polystichum californicum A. T. Graff 1926-2-1 s.n. Sonoma Cazadero Comment
  SEINET11720937  Polystichum dudleyi F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -63 Sonoma Glen Ellen area, junction Warm Springs Road & Sonoma Mt. Road along Graham Creek Comment
  JEPS97814  Polystichum munitum B. Bartholomew, W. Roderick, J. Domzalski 1975-12-1 Sonoma Willow Creek Rd, W of Occidental Comment
  UCD136560  Polystichum munitum Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 025 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1, near old 'railroad' bridge. 30 Comment
  CAS-BOT-BC102354  Populus alba Peter Rubtzoff 1972-9-3 6882 Sonoma Forestville Marsh Comment
  RSA800144  Populus fremontii subsp. fremontii Peter Rubtzoff 1973-10-10 7736 Sonoma Salmon Creek, 0.25 mi south of Freestone along creek canyon. Comment
  CAS-BOT-BC445297  Portulaca oleracea Peter Rubtzoff 1966-9-25 5828 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  CAS-BOT-BC274040  Potamogeton diversifolius Peter Rubtzoff 1964-7-14 5401 Sonoma Bennet Mountain Lake. Comment
  CAS-BOT-BC452161  Potamogeton diversifolius Peter Rubtzoff 1961-7-22 4668 Sonoma Bennett Mountain Lake. Comment
  UCD161294  Potamogeton natans James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3692 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC251265  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh area. Comment
  RSA800334  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh. Comment
  UCD164983  Potamogeton nodosus Peter Rubtzoff; Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7812 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC453900  Potamogeton nodosus D. E. Breedlove 1980-6-27 44737 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC454080  Potamogeton pusillus subsp. pusillus Greg de Nevers 1991-6-23 9754 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In Loch Haven Lake. 500' elevation. 475 Comment
  CAS-BOT-BC454083  Potamogeton pusillus subsp. pusillus Peter Rubtzoff 1961-5-24 4610 Sonoma Upper Stemple Creek Marsh. Comment
  UCD113693  Potentilla anserina subsp. pacifica Linda A. Bell 1975-5-18 171 Sonoma Bay Flat Road, ca. 0.5 mile north of University of California's Bodega Head Marine Laboratory. Comment
  RSA0084031  Potentilla uliginosa Milo S. Baker 1946-8-17 11550 Sonoma Cunningham Marsh within the fenced area (Camp Ground) ca 1.5 mi west of town of Cunningham, S.[?] Sonoma Co. on ranch owned by Mr. Uoit[?]. Comment
  SEINET12051392  Prosartes hookeri F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -262 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  SEINET12051396  Prosartes hookeri F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -231 Sonoma ca 0.1 mi W on Sonoma Mt. Rd. from Bennett Valley Rd. along Graham Creek, W of Glen Ellen & CA 12 75 Comment
  UCD125332  Prunella vulgaris A. A. Heller 1902-6-7 5658 Sonoma Santa Rosa. Comment
  CDA40757  Prunella vulgaris subsp. lanceolata G. D. Barbe 1982-5-27 3617 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Scaggs Spring Road. Comment
  CAS-BOT-BC159844  Prunus cerasifera Greg de Nevers 2002-3-12 12648 Sonoma Bouverie Audubon Preserve, Highway 12, Glen Ellen Comment
  CAS-BOT-BC159902  Prunus emarginata T. E. Rawlins 1942-9-1 s.n. Sonoma Fort Ross Comment
  CAS-BOT-BC357412  Pseudognaphalium microcephalum Walter Knight; Irja Knight; John Thomas Howell 1984-9-26 5232 Sonoma 1.15 mi. up Cavedale Road Comment
  UC1118475  Pseudognaphalium stramineum H. S. Yates 1936-5-17 5628 Sonoma 2 mi n of Bodega Bay; Duncan Hills Quadrangle 3 Comment
  CAS-BOT-BC80183  Pseudotsuga menziesii Peter Rubtzoff 1951-8-18 636 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC176171  Psilocarphus Peter Rubtzoff 1966-5-30 5746 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  UCD137795  Pteridium aquilinum var. pubescens Ivette Loredo-Prendeville; Nicole Canon 1993-4-4 59 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 195 Comment
  RSA0072112  Pterostegia drymarioides Greg de Nevers 1998-6-8 11271 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along old road from Rogers Apple Orchard to creek. 100 Comment
  JEPS58837  Pyrola aphylla M. E. and E. Van E. Ferguson Jun 8-10 1919 Sonoma Russian River, near Gurnewood Comment
  CAS-BOT-BC466277  Pyrola aphylla F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -176 Sonoma The Geysers ca 14.0 mi ESE of Preston and US Hwy 101 on Geysers Road 330 Comment
  CAS-BOT-BC36523  Quercus James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  CAS-BOT-BC94230  Quercus X eplingii Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5139 Sonoma Pine Mountain Rd. 304 Comment
  CAS-BOT-BC94234  Quercus X eplingii Peter H. Raven 1955-8-27 8757 Sonoma 3.2 mi N of Sears Point on State Route 37 Comment
  CAS-BOT-BC94703  Quercus X howellii D. E. Breedlove 1980-6-27 44776 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC61636  Quercus agrifolia Peter Rubtzoff 1951-8-18 639 Sonoma Pitkin marsh, near Forestville. In area separating the western branch of the Upper Marsh from the eastern Comment
  UC1193303  Quercus agrifolia P. Zinke 107 Sonoma near Preston Lake (Quad 61A4) 243 Comment
  CDA21841  Quercus berberidifolia D. G. Kelch 2007-5-13 7 .293 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  UCD45276  Quercus berberidifolia Roman Gankin 1967-10-4 1078 4 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  UCD45290  Quercus berberidifolia Frederica Bowcutt 1994-6-25 1920 Sonoma 670 Comment
  CAS-BOT-BC86004  Quercus douglasii Mrs. E. C. Sutliffe 1921-9-1 s.n. Sonoma Valley of the Moon, [Loudon's Place] Comment
  CAS-BOT-BC79572  Quercus dumosa John Thomas Howell 1946-3-31 21592 Sonoma Hills coast fo Sonoma Comment
  CDA21883  Quercus durata D. G. Kelch 2006-10-4 6 .499 Sonoma Along Cavedale Road about 5 KM E of Route 12. Comment
  SEINET12028623  Quercus durata W. Knight, Knight, I. 1981-1 3972 Sonoma 3.1 mi up Cavedale Rd from jct of State Rt #12 Comment
  CAS-BOT-BC94670  Quercus garryana L. R. Abrams 1916-7-4 5800 Sonoma Mark West Comment
  SJSU16079  Quercus garryana Allen W. Jacobs 1934-8-1 2 Sonoma Near the Hilton in Russian River Comment
  UC1084449  Quercus garryana G. Thomas Robbins 1940-3-24 307 Sonoma ca 6 mi ne Santa Rosa; Rincon Ridge 167 Comment
  UC424818  Quercus garryana Milo S. Baker 1927-11-5 2503 b Sonoma 2-3 mi w Skagg's Springs Hwy. Comment
  UCD55066  Quercus garryana Ellen Dean; Tammie Beyerl 2006-4-28 3010 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  UCD46072  Quercus garryana var. garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 miles ne of Penngrove; 365 Comment
  RSA786873  Quercus kelloggii Carrie A. Herd 1982-3-14 22 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  UCD46639  Quercus kelloggii D. Sanchez-Mata 1996-4-16 s.n. Sonoma Mercuryville. Big Sulphur Creek. The Geysers. 430 Comment
  SEINET12031933  Quercus kelloggii W. Knight, Knight, I.; Knight, T. 1985-1 6350 Sonoma between Jimtown and geothermal area Comment
  CAS-BOT-BC62805  Quercus lobata Greg de Nevers 1981-9-5 1815 Sonoma Pepperwood Ranch, at Hansel's Corral, by the bottom of the Studio Road Comment
  JEPS46673  Quercus lobata W. L. Jepson 1902-11-12 Sonoma Cloverdale Comment
  UCD14500  Quercus parvula var. shrevei Steven J. Barnhart 1995-2-1 s.n. Sonoma California, Sonoma Co.; Salt Point State Park east of Highway 1, near junction of fire road up to the meadow and the trail to the Pygmy Forest. Comment
  CAS-BOT-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
  UCD162763  Quercus wislizeni Dylan O. Burge 2014-6-5 1642 Sonoma Mayacmas Mountains, western slope of Hooker Canyon, at Elarra Reserve. 500 Comment
  CHSC6279  Ranunculus A. K. Reverd 1967-3-19 6 Sonoma On cliff, 6 ft w of highway 1, and 1/4 mi s of Miwok Beach. 10 Comment
  RSA0062826  Ranunculus aquatilis Greg de Nevers 1990-3-26 9655 A Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Weimar Flat. 100 Comment
  UC9374  Ranunculus aquatilis var. capillaceus W. H. Brewer 1862-4-18 970 Sonoma near Sonoma Comment
  RSA785701  Ranunculus californicus Carrie A. Herd 1982-3-14 15 Sonoma Crane Creek Regional Park Comment
  CAS-BOT-BC378675  Ranunculus californicus var. californicus A. A. Heller; H. E. Brown 1902-3-16 5078 Sonoma Russian River, Near Trenton Comment
  CAS-BOT-BC378684  Ranunculus californicus var. californicus Mrs. H. C. Cantelow 1936-1-26 1118 Sonoma cliff above Bodega Bay Comment
  CAS-BOT-BC378698  Ranunculus californicus var. californicus A. A. Heller; H. E. Brown 1902-3-14 5055 Sonoma near Santa Rosa Comment
  CAS-BOT-BC83437  Ranunculus lobbii Margot Lowry 1983-5-5 33 Sonoma 2 miles north on Adobe Road from Sonoma Mountain and Adobe Road junction. 30 Comment
  POM163785  Ranunculus muricatus Rimo Bacigalupi 1926-4-30 1368 Sonoma Cagadero Comment
  RSA178035  Ranunculus muricatus Robert F. Thorne 1965-4-19 34273 Sonoma Titus Ranch, Valley Ford. 18 Comment
  RSA94329  Ranunculus muricatus Peter Rubtzoff 1952-5-10 1024 Sonoma Eastern branch of the Upper Marsh, in the open on wet ground Comment
  HSC34936  Ranunculus occidentalis var. occidentalis Thomas W. Nelson, James Nelson 1975-3-25 1755 Sonoma Beside Hwy. 128 E of Geyserville Comment
  UC1614276  Ranunculus orthorhynchus var. bloomeri Charles M. Belshaw 1936-3-7 1555 Sonoma 1 mi ne of Occidental Comment
  UC70364  Ranunculus orthorhynchus var. bloomeri Milo S. Baker May 1899 Sonoma Kenwood Comment
  RSA534706  Ranunculus orthorhynchus var. platyphyllus Peter Rubtzoff 1959-5-31 4084 Sonoma Freestone Marsh Comment
  UC118200  Ranunculus pusillus Mich. and Bioletti 1892-5-1 Sonoma Shellville Comment
Read comments
Jul 22 2010
  SEINET12210981  Rhamnus californica W. Knight, Knight, I. 1984-1 5005 Sonoma Gualala Point Regional Park, in picnic area with grand firs and Douglas firs 11 Comment
  CAS-BOT-BC59447  Rhamnus ilicifolia Milo S. Baker 1927-11-5 2502 a Sonoma 2-3 mi. west of Skagg's along Hwy Comment
  CAS-BOT-BC200348  Rhododendron occidentale var. occidentale Peter Rubtzoff 1959-6-7 4106 Sonoma Bank of Russian River betw. East Guernewood and Vacation Beach, near Guerneville Comment
  CAS-BOT-BC111863  Rhynchospora alba Peter Rubtzoff 1951-6-7 123 Sonoma Pitkin Marsh; Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC111874  Rhynchospora alba John Thomas Howell; Milo S. Baker; Hans Leschke 1945-7-18 21325 Sonoma Pitkin Marsh Comment
  JEPS83545  Rhynchospora alba Jack and Betty Guggolz 1987-6-9 892 Sonoma wet area at n end Pitkin Marsh (on what has been known as the Wilhoff property, now owned by Barry Samuels) Comment
  RSA94004  Rhynchospora alba Peter Rubtzoff 1951-7-1 340 Sonoma Lower part of Upper Marsh Comment
  CAS-BOT-BC111885  Rhynchospora californica Peter Rubtzoff 1951-7-1 326 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  RSA90512  Rhynchospora californica Milo S. Baker 1945-7-18 11112 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111907  Rhynchospora capitellata John Thomas Howell; J. W. Stacey 1936-7-26 12677 Sonoma Pitkin Marsh; 5 miles north of Sebastopol. Comment
  UC1026464  Rhynchospora capitellata Peter Rubtzoff 1951-7-1 341 Sonoma uppermost part western branch of Upper Marsh (near Forestville); Pitkin Marsh Comment
  UCD141234  Rhynchospora capitellata Herbert L. Mason 1946-7-4 12881 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  CAS-BOT-BC111915  Rhynchospora globularis Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  SEINET4178848 Image available Rhynchospora globularis Unknown 1946-7-4 12882 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  CAS-BOT-BC111936  Rhynchospora recognita Peter Rubtzoff 1951-7-21 506 Sonoma Pitkin Marsh, Damp, open area between the Upper and Lower Marshes. Comment
  UC75454  Ribes roezlii var. cruentum Milo S. Baker 1903-3-20 Sonoma Hood Mt. Comment
  CAS-BOT-BC211981  Ribes sanguineum Alice S. M. McKenzie 1981-2-23 16 Sonoma State Hwy #1 at Kolmer Gulch, coast between Russian and Gualala Rivers Comment
  UC1182091  Ribes victoris var. minus C. R. Quick and Alice Quick 1935-3-10 171 Sonoma ne Kenwood (n from Sonoma, at foot of Mt. Hood); Mt. Hood, Canyon of Sonoma Creek Comment
  CAS-BOT-BC362937  Rigiopappus leptocladus Alice Eastwood 1915-6-5 4587 Sonoma Petrified Forest Comment
  SEINET7075471  Rigiopappus leptocladus A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley. 38? deg. 24' 31" North Latitude, -122? deg. 37' 52" West Longitude. (NAD 27), UTM Zone 10, 532220mE, 4251005mN. [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC74694  Rorippa curvisiliqua Peter Rubtzoff 1955-9-10 2143 Sonoma Vacation Beach, near Guernville. Bank of Russian River. Comment
  UCR254885  Rorippa truncata Peter Rubtzoff 1973-8-21 7250 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente 41 Comment
  CAS-BOT-BC152658  Rosa californica Peter Rubtzoff 1951-8-18 631 Sonoma Western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC152672  Rosa californica Ynez Whilton Winblad 1941-6-20 s.n. Sonoma Between Santa Rosa and Ukiah, Highway 101 Comment
  UC467687  Rosa californica Milo S. Baker 1898-6-1 595 Sonoma Santa Rosa Cemetery Comment
  CAS-BOT-BC152675  Rosa californica James McMurphy 1910-6-8 s.n. Sonoma roadside, hills east of Petaluma Comment
  RSA181402  Rosa californica James I. McMurphy 1910-6-8 s.n. Sonoma Roadside hills east of Petaluma Comment
  CAS-BOT-BC146809  Rosa nutkana Alice Eastwood; John Thomas Howell 1937-5-31 4499 Sonoma 2 miles south of Fort Ross Comment
  CAS-BOT-BC148296  Rosa pinetorum Greg de Nevers 1991-12-18 9839 Sonoma Pepperwood Naturual Preserve, 3450 Franz Valley Road, along Franz Valley Rd. by road cut below Al Cuneo's house. 475 Comment
  CAS-BOT-BC148198  Rosa rubiginosa Walter Knight; Irja Knight 1963-10-3 360 Sonoma Pasture edge at Stony Point and Meacham Rds. Comment
  CAS-BOT-BC146920  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma S.W. slope of Hood Mt. at top of Rose Butte 243 Comment
  CAS-BOT-BC262810  Rubus Peter Rubtzoff 1958-5-3 3613 Sonoma Atascadero Creek Marsh. Comment
  UCD113763  Rubus armeniacus Mary M. Hektner 1975-8-14 221 Sonoma on fence along State Highway 1, just north of Galleons Reach, Sea Ranch. Comment
  UCD17946  Rubus discolor H. Olmo; T. S. Mallah 1953-4-3 53 64 Sonoma California. Sonoma County: 0.5 miles north of city limits in Rio Del. Comment
Read comments
Aug 27 2013
  RSA54149  Rubus parviflorus var. bifarius Alice Eastwood, John T. Howell 1939-6-11 7411 Sonoma Near Triniti P. O. Hood Mtn range. Comment
  POM91786  Rubus spectabilis var. franciscanus Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC158721  Rubus ulmifolius Milo S. Baker 1944-7-31 10879 Sonoma Bank of Sonoma Cr. at the Miller residence below Kenwood. Comment
  HSC99998  Rubus ursinus J. P. Smith, , J. O. Sawyer, & R. J. Cole 2009-10-10 12694 Sonoma Salt Point State Park Comment
  CAS-BOT-BC166656  Rumex Peter Rubtzoff 1958-8-23 3917 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC173544  Rumex Peter Rubtzoff 1964-6-24 5387 Sonoma Coleman Marsh. Salmon Creek. Comment
  UCD166499  Rumex Peter Rubtzoff 1962-6-24 4963 Sonoma Vacation Beach, 1.5 miles below Guerneville, along Russian River. Comment
  UCR280129  Rumex Peter Rubtzoff 1964-7-29 5444 Sonoma Central Coast, Brooks Gulch Marsh 15 Comment
  CAS-BOT-BC166796  Rumex Peter Rubtzoff 1962-8-22 5039 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC166904  Rumex Peter Rubtzoff 1962-7-28 5007 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CDA36852  Rumex acetosella 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
  SEINET10862960  Rumex californicus Jon Ricketson, Deanna Vanderbur 1985-7-3 Ricketson 2617 Sonoma Fort Ross State Park, along State Highwa 1, between Fort Ross and Jenner above Pacific Ocean. 50 miles northwest of San Francisco. 30 Comment
  CAS-BOT-BC421856  Rumex conglomeratus John Thomas Howell 1938-7-3 13962 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC421581  Rumex crassus Walter Knight; Irja Knight 1963-8-13 179 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC164667  Rumex crispus Peter Rubtzoff 1954-6-6 1465 Sonoma Guerneville Marsh. Comment
  UCD101139  Rumex crispus Mary M. Hektner; Cathy Hendel 1974-7-25 178 Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC433414  Rumex crispus G. DeNevers 1981-5-7 1004 Sonoma Pepperwood Ranch. Confluence of Leslie Creek with Mark West Creek, along the bank of Mark West Creek. Comment
  UCR279630  Rumex obtusifolius Peter Rubtzoff 1962-10-23 5121 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  CAS-BOT-BC433742  Rumex occidentalis Mary P. Wells 1987-7-23 900 Sonoma Within fork of north creek south of Pacific Reach. The Sea Ranch. Comment
  UCR244738  Rumex pulcher Peter Rubtzoff 1966-6-5 5751 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road) 30 Comment
  JEPS48949  Rumex salicifolius var. transitorius Hilda W. Grinnell 1933-7-21 Sonoma Bodega Bay Comment
  CAS-BOT-BC434142  Rumex transitorius Alice Eastwood; John Thomas Howell 1938-7-6 6087 Sonoma Alder Glen Springs Comment
  JEPS65651  Rupertia physodes Mrs. Maud Wheeler 1903-1 Sonoma Sebastopol Comment
  RSA216138  Ruppia maritima Peter Rubtzoff 1962-8-3 5033 Sonoma Lower Salmon Creek Marsh. In rather deep water of Salmon Creek. Comment
  UC905115  Sagina decumbens subsp. occidentalis Milo S. Baker 1947-4-25 11703 Sonoma e. of football field Santa Rosa Jr. College Comment
  UCD98454  Sagina procumbens J. Buell Laing 1928-10-1 s.n. Sonoma Santa Rosa Country Club. Comment
  CAS-BOT-BC445697  Sagittaria cuneata Peter Rubtzoff 1972-6-29 6816 Sonoma Laguna, Chileno Valley. Comment
  RSA94452  Sagittaria latifolia Peter Rubtzoff 1951-8-19 663 Sonoma Eastern branch of the Upper Marsh. The Pitkin Marsh, near Forestville. Comment
  UCR249084  Salix Peter Rubtzoff 1973-8-27 7264 Sonoma Upper Green Valley Marsh Comment
  UCR249332  Salix Peter Rubtzoff, J. E. Eckenwalder 1974-4-6 7352 Sonoma Kenwood Marsh 120 Comment
  UCR250389  Salix Peter Rubtzoff, J. E. Eckenwalder 1974-4-6 7361 Sonoma Salmon Creek, 0.25 mi. south of Freestone 64 Comment
  CAS-BOT-BC126270  Salix X sepulcralis Peter Rubtzoff 1951-8-19 645 Sonoma Southern half of Lower Marsh Comment
  RSA0015567  Salix babylonica Peter Rubtzoff 1955-8-14 2051 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC103079  Salix bonplandiana C. R. Ball; H. E. Parks 1931-2-17 22 Sonoma Santa Rosa Creek, 1 mile south of Santa Rosa Comment
  CAS-BOT-BC103086  Salix bonplandiana Peter Rubtzoff 1961-8-24 4700 Sonoma Fife Creek Marsh, along Fife Creek Comment
  SEINET11998392  Salix bonplandiana W. Knight, Knight, I. 1988-1 6208 Sonoma Hacienda, along Russian River Comment
  CAS-BOT-BC103948  Salix exigua Peter Rubtzoff 1957-5-26 3370 Sonoma Vacation Beach, near Guerneville. Sandy bank of Russian River Comment
  UC1356332  Salix lasiandra subsp. lasiandra Theodore J. Crovello 1964-4-11 399 Sonoma a few mi. e. Bodga Bay (along CA Hwy. 1); Cheney Gulch, Cheney Creek Comment
  UC482064  Salix lasiandra subsp. lasiandra Baker, Ball, Bracelin, and Crum 1931-5-9 347 Sonoma ca. 2 km. e. Bodega Bay (near Bodega, on Santa Rosa - Bodega Hwy., Larkspur R__k) Comment
  CAS-BOT-BC128057  Salix lasiandra var. lasiandra Peter Rubtzoff; T. J. Crovello 1964-9-3 5496 Sonoma Bodega Harbor Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC128066  Salix lasiandra var. lasiandra Alice Eastwood 1915-6-30 4899 Sonoma Bodega Comment
  UC1042520  Salix lasiolepis Peter Rubtzoff 1951-9-2 714 Sonoma marshy opening s Upper Marsh (near Forestville); Pitkin Marsh Comment
  UC453088  Salix lasiolepis W. A. Setchell 1931-7-25 8 Sonoma lower bank of Russian at Bohemian Grove (near Monte Rio) Comment
  UC511620  Salix lasiolepis W. A. Setchell 1933-7-2 2 Sonoma Bohemian Grove Monte Rio (well away from Russian River) Comment
  UC511621  Salix lasiolepis W. A. Setchell 1933-7-2 1 Sonoma well away from Russian R. Bohemian Grove (Monte Rio) Comment
  UC517941  Salix lasiolepis W. A. Setchell 1934-3-17 Sonoma Monte Rio; left hand side of road entering Bohemian Grove Comment
  UC524779  Salix lasiolepis W. A. Setchell 1934-7-10 1 Sonoma Coast Hwy 1-2 ni s Fort Ross 76 Comment
  UC66159  Salix lasiolepis A. A. Heller 1902-3-10 5016 Sonoma hills 2 mi se Santa Rosa Comment
  UCD111597  Salix lasiolepis Frederica Bowcutt 1997-7-18 2177 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  RSA534500  Salix lasiolepis var. bigelovii Peter Rubtzoff 1959-6-13 4136 Sonoma Willow Creek Marsh. Comment
  SD918  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Bohemian Grove, near Monte Rio, gravelly bed pf Russian River Comment
  UC482049  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  CAS-BOT-BC126187  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 343 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  SBBG28810  Salix scouleriana Baker, C. R. Ball, H. Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental, on Occidental grade Comment
  SD882  Salix scouleriana Baker, Ball, Bracelin, Crum 1931-5-9 343 Sonoma Two km east of Occidental, on Occidental Grade Comment
  UC517940  Salix scouleriana W. A. Setchell 1934-3-17 Sonoma beside rd. entering Bohemian Grove Monte Rio Comment
  UCD111843  Salix scouleriana Baker; Ball, Bracelin, and Crum 1931-5-9 342 Sonoma Two km. east of Occidental. Comment
  POM362960  Salix sitchensis Carleton R. Ball, H. P. Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 36 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  RSA304941  Salix sitchensis James R. Shevock 1971-1-30 625 Sonoma Along Russian River. 12 Comment
  SBBG57996  Salix sitchensis M. S. Baker, C. R. Ball, Mrs. H. P. Bracelin, E. Crum 1931-5-9 344 Sonoma ca. 2 km E of Bodega Bay Comment
  UC482104  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 35 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  UCD111890  Salix sitchensis Ball; Bracelin, Parks, and Parks 1931-4-21 35 Sonoma Maacama Creek, 25 km. northwest of Calistoga. Comment
  CAS-BOT-BC225210  Salvia sonomensis F. H. Utech; Walter Knight; Irja Knight 1984-4-16 84 -099 Sonoma Ca. 4.0 mi NNW of Sonoma on Cavedale Road from junction with CA Hwy 12, ca 1.6 mi N on Cavedale Road from junction 396 Comment
  CAS-BOT-BC225213  Salvia sonomensis A. A. Heller; H. E. Brown 1902-3-31 5193 Sonoma Mt. Hood Comment
  CDA132  Salvia sonomensis D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .279 Sonoma Cavedale Rd. Comment
  UCD160126  Sambucus nigra subsp. caerulea James A. Neilson Jr. 1973-6-6 2958 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  POM133574  Sanicula bipinnatifida A. A. Heller, H. E. Brown 1902-3-14 5066 Sonoma Near Windsor Comment
  HSC100945  Sanicula tuberosa Peter Warner, Patricia Chan 2011-3-12 181 Sonoma Annadel State Park, Canyon Trail, ~200 m upslope from 'big bend' in trail, near Woodview Drive. 176 Comment
  RSA94301  Santolina chamaecyparissus Peter Rubtzoff 1952-5-31 1129 Sonoma Dry, open ground bordering the upper marsh in the W. Comment
  UC1010439  Saxifraga californica Leo Koch 1938-3-20 48 Sonoma 4 mi n of Santa Rosa (Miss Marian Barbours pasture, on Hwy 101, (Ranch)); North Bay Comment
  CAS-BOT-BC441178  Saxifraga mertensiana A. A. Heller 1903-4-24 6616 Sonoma Woods near Cazadero Comment
  UC1084361  Saxifraga mertensiana G. Thomas Robbins 1937-3-26 24 Sonoma near Bodega Bay Comment
  RSA178019  Scandix pecten-veneris R. F. Thorne 1965-4-19 34278 Sonoma Titus Ranch, Valley Ford. 18 Comment
  RSA789039  Scandix pecten-veneris Carrie A. Herd 1982-3-30 30 Sonoma Rohnert Park State University, Sonoma next to bicycle path between Rancho Cotate High School and Sonoma State University. Comment
  UCD128058  Scandix pecten-veneris Botany 102 Students 1993-4-24 88 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail. 411 Comment
  UCD65651  Schedonorus arundinaceus Mary M. Hektner; Cathy Hendel 1974-7-24 164 A Sonoma Beside the Kirkwood house, Unit 24 Owners' Map, Sea Ranch, near State Hwy. 1. Comment
  CAS-BOT-BC283148  Schedonorus arundinaceus David L. Morgan 1956-5-18 s.n. Sonoma 5.4 miles south of Santa Rosa city limits on Hwy. #12 Comment
  CAS-BOT-BC111429  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1963-8-17 s.n. Sonoma Russian River Mouth Marsh Comment
  CAS-BOT-BC111438  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1960-6-25 4522 Sonoma Laguna de Santa Rosa northeast of Graton, ca 1/2 mi north of Guernebille Rd. crossing. Comment
  HSC7527  Schoenoplectus americanus James Faro 1962-4-17 18 Sonoma W side of Bodega Bay, N end Comment
  NY663862  Schoenoplectus mucronatus P. Rubtzoff 1979-7-15 9290 Sonoma Knights Valley. Pond at east side of Ida Clayton Road just north of its junction with Hwy. 128. Comment
  RSA534612  Schoenoplectus pungens Peter Rubtzoff 1955-8-20 2067 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC111839  Schoenoplectus tabernaemontani Peter Rubtzoff 1986-9-28 9742 Sonoma Russian River at Forest Hills, 5.5 miles East of Guerneville. Comment
  CAS-BOT-BC111104  Scirpus microcarpus LeRoy Abrams 1920-7-3 7612 Sonoma Near Stewarts Point Comment
  CAS-BOT-BC361425  Scirpus microcarpus Greg de Nevers 1997-4-1 10925 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD141248  Scirpus microcarpus Mary M. Hektner 1976-10-19 271 Sonoma just south of Irena Morgan's house on Pacific Reach, Unit 24 Owner's Map, Sea Ranch. Comment
  SEINET12057686  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -004 Sonoma ca 0.3 mi WNW of Camp Meeker on Bohemian Road along shady floodplain of Dutch Bill Creek 50 Comment
  CAS-BOT-BC376321  Scutellaria tuberosa Greg de Nevers 1993-4-27 10411 B Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Rd. 400 Comment
  CAS-BOT-BC417851  Sedella pumila Milo S. Baker 1940-4-24 9551 Sonoma along Sonoma--Santa Rosa Hiwy, just N of Agua Caliente Comment
  RSA0056489  Sedella pumila Greg de Nevers 1997-4-16 10941 Sonoma Moon Mountain Road Area burned Sept. 1996. Comment
  CAS-BOT-BC62198  Selaginella wallacei J. Clausen 1935-5-24 1080 Sonoma Adobe Canyon along Sonoma Creek Comment
  CDA17204  Selaginella wallacei G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16203 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  SEINET11807204  Senecio jacobaea W. Knight, Knight, I. 1984-1 5113 Sonoma near junction Hwy 1 & Headlands Beach Rd, Sea Ranch Comment
  RSA791558  Senecio vulgaris Peter Rubtzoff 1973-8-20 7220 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  JEPS79411  Sequoia sempervirens Edward Lee with W. A. Setchell 1936-6-6 2173 Sonoma Bohemian Grove Bohemian Grove (on ground under old trees (the majority), on bark of upper surface of old horizontal section of redwood logs (circle of benches about campfire)) Comment
  RSA12703  Sequoia sempervirens C. B. Wolf, E. R. Johnson 1934-10-13 6179 Sonoma Log Cabin Ranch, inland from Gualala 305 Comment
  SEINET10612339  Sequoia sempervirens A. Arthur Heller, H. E. Brown 1902-3-16 Heller 5080 Sonoma Russian River, Near Trenton. Comment
  CAS-BOT-BC376234  Setaria Greg de Nevers 1992-6-17 10175 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  UCR255056  Setaria parviflora Greg de Nevers 1992-6-17 10175 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 305 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-BC240168  Setaria verticillata Walter Knight; Irja Knight 1963-10-14 413 Sonoma Blomquist Ranch, Penngrove Comment
  SBBG4695  Sidalcea H. and M. Dearing 1939-5-14 3368 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  RSA448561  Sidalcea M. K. Curran 1886-6-5 s.n. Sonoma Valley Ford Comment
  CAS-BOT-BC187882  Sidalcea calycosa subsp. rhizomata John Thomas Howell 1945-8-14 21387 Sonoma Perry Marsh Comment
  CHSC63918  Sidalcea malviflora subsp. purpurea John Hale 1990-4-10 16 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
Read comments
Sep 2 2009
  UC1013153  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 19638 Sonoma about 1/4 mi w Kenwood (Kenwood Marsh); w of Kenwood, Kenwood Marsh Comment
  UC1601099  Sidalcea oregana subsp. valida Edw. L. Greene 1890-1 Sonoma Knight's Valley Comment
  UCD166482  Silene Peter Rubtzoff 1962-6-21 4935 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  UCR23679  Silene californica John C. Roos 1957-6-29 6618 Sonoma North Coast Ranges, Fitch Mtn, near Healdsburg 59 Comment
  SEINET11935225  Silene gallica F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -234 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UC852864  Silene scouleri subsp. grandis Baker 1938-6-6 9026 Sonoma top of Bodega Rock North Bay Counties, Bodega Bay, top of Bodega Rock Comment
  OBI32715  Simmondsia chinensis David J. Keil 1983-1-5 16618 Sonoma N of Guaymas along coast just S of Catch 22 airfield at Playa de los Algodones Comment
  CAS-BOT-BC74907  Sinapis arvensis John Thomas Howell 1934-3-25 11784 Sonoma M.S. Baker place, mouth of Sonoma Creek Canyon. Comment
  UCD164685  Sisyrinchium Peter Rubtzoff 1976-5-30 8573 Sonoma Kenwood Marsh. Comment
  POM169048  Sisyrinchium bellum A. A. Heller, H. E. Brown 1902-3-26 5154 Sonoma Santa Rosa Creek. Comment
  RSA227220  Sisyrinchium californicum Peter Rubtzoff 1964-6-3 5341 Sonoma Bodega Bay Marsh. Comment
  RSA239773  Sisyrinchium californicum Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1100 Sonoma Fort Ross State Park. Comment
  UCD165324  Solanum Peter Rubtzoff 1973-8-21 7245 Sonoma Sonoma Creek bottom near Aqua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC164413  Solanum Peter Rubtzoff 1965-9-11 5649 Sonoma Russian River margin at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCR281902  Solanum americanum Peter Rubtzoff 1965-9-11 5649 Sonoma North Coast Ranges, Russian River margin at Forest Hills, 5.5 miles east of Guerneville 9 Comment
  UCD126855  Solanum carolinense T. C. Fuller 1967-9-12 16360 Sonoma 1605 Laguna Road, Sebastopol. Comment
  UCD167960  Solanum nigrum James Neilson 1981-7-16 4053 Sonoma Mayacmas Mountains. Big Sulphur Cr. At bridge crossing road to Cloverdale. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC164711  Solanum umbelliferum Peter Rubtzoff 1960-5-16 4358 Sonoma Duncans Mills Marsh. Comment
  UC1125083  Solanum umbelliferum E. Armstrong 1934-3-26 931 Sonoma 4 mi n of Camp Meeker 91 Comment
  CAS-BOT-BC156865  Solanum umbelliferum M. S. Baker 1929-1-2 3401 b Sonoma North side Mill Creek, along trail from Cooper's Ranch to Cypress Grove Comment
  CAS-BOT-BC376420  Solidago Greg de Nevers 2002-9-9 12841 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 152 Comment
  SEINET11807361  Solidago occidentalis W. Knight, Knight, I. 1984-1 5428 Sonoma Willow Creek Rd 61 Comment
  UC1041084  Solidago velutina subsp. californica J. W. Congdon 1880-7-25 Sonoma Petaluma Comment
  CAS-BOT-BC365969  Soliva sessilis Mary P. Wells 1981-4-19 s.n. Sonoma Unit 34-A, The Sea Ranch Comment
  CAS-BOT-BC164029  Sonchus Peter Rubtzoff 1955-8-20 2062 Sonoma Bodega Harbor Marsh. Comment
  UCD136184  Sonchus oleraceus Mary M. Hektner 1974-7-25 167 Sonoma Galleon's Reach, Unit 3 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UCD149777  Spartina foliosa William Anderson 1964-10-26 s.n. Sonoma Sonoma Creek. Comment
  SEINET7420494  Spartium junceum J. Landers 1974-9-28 s.n. Sonoma 5 miles west of Rio Nido. 91 Comment
  CAS-BOT-BC389912  Spergula Peter Rubtzoff 1978-9-10 9266 Sonoma Russian River at Del Rio Beach, ca. 2.5 mi. east of Healdsburg on So. Fitch Mtn. Road Comment
  UCR275245  Spergularia Peter Rubtzoff 1971-7-3 6591 Sonoma Intermittent lake off west side of Hwy 1, 0.7 miles SE of Salmon Creek crossing 30 Comment
  CAS-BOT-BC471243  Spergularia Peter Rubtzoff 1971-8-9 6632 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC390516  Spergularia macrotheca var. macrotheca Alice Eastwood 1915-6-29 4796 Sonoma Bodega Point Comment
  CAS-BOT-BC390976  Spergularia marina G. B. Rossbach; R. P. Rossbach 1938-5-27 630 Sonoma Bodega Bay Comment
  UCD99235  Spergularia marina S. F. Bailey 1951-6-1 s.n. Sonoma Skagg's Island, north of Plack Point cutoff (Highway 48). Comment
  CAS-BOT-BC390727  Spergularia rubra Alice Eastwood; John Thomas Howell 1936-5-19 2497 Sonoma Santa Rosa Comment
  CAS-BOT-BC390730  Spergularia rubra John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53937 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-BC390733  Spergularia rubra Alice S. M. McKenzie 1980-12-26 23 Sonoma Coast between Russian and Gualala Rivers. State Hwy 1 at Timber Cove Comment
  UCR254753  Spiranthes porrifolia Peter Rubtzoff 1969-6-27 6103 Sonoma 6.5 miles NE of Penngrove on Lichau Road 427 Comment
  UC1222182  Spiranthes porrifolia Joseph P. Tracy 1950-5-24 18687 B Sonoma In field where the Knights Valley Road enters Alexander Valley (and leaves Muyacamas Creek). Comment
  CAS-BOT-BC534956  Spirodela punctata Peter Rubtzoff 1964-8-20 5466 Sonoma Pond one mile SE of Jenner (near crossing of Hwys. 1 and 12) Comment
  CAS-BOT-BC502057  Stachys Peter Rubtzoff 1968-7-13 5915 Sonoma Upper Salmon Creek Marsh Comment
  UC1299470  Stachys albens Freed W. Hoffman 1946-9-26 580 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UCD125558  Stachys albens Frederica Bowcutt 1997-7-18 2172 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  RSA293432  Stachys rigida subsp. quercetorum Reino Alava 1958-5-24 2065 Sonoma About one mile from Graton on the road from Graton to Occidental. Comment
  OBI39525  Stachys rigida var. quercetorum F. H. Utech, Walter & Irja Knight, Irja Knight 1984-4-16 84 -081 Sonoma Ca 4.0 mi NNW of Sonoma on Cavedale Rd from jctn with CA hwy 12; ca 0.5 mi N on Cavedale Rd from jctn 152 Comment
  SEINET12326113  Stachys rigida var. quercetorum W. Knight, Knight, I. 1983-1 4718 Sonoma Sonoma Montain Road #2 along creek near Wake Robin Lodge on old Jack London property Comment
  UCD161395  Stellaria James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3693 a 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
  RSA94645  Stellaria borealis subsp. sitchana Peter Rubtzoff 1951-6-9 153 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  UC136315  Stellaria littoralis Alice Eastwood Jun 1899 Sonoma Bodega Point Comment
  CAS-BOT-BC394957  Stellaria media Walter Knight; Irja Knight 1963-12-25 430 Sonoma Waste places - Marshall & Magnolia Aves., Petaluma Comment
  RSA94647  Stellaria media Peter Rubtzoff 1952-3-23 882 Sonoma Pitkin Marsh: Open area separating the western branch of the Upper Marsh from the eastern. 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
  CAS-BOT-BC376286  Stephanomeria Greg de Nevers 1992-7-15 10219 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Valley Road 304 Comment
  UCD136267  Stephanomeria elata L. D. Gottlieb 1966-8-4 66115 Sonoma on Trinity road, 1/2 mile east of junction with Cavedale Road. 548 Comment
  CAS-BOT-BC375318  Stephanomeria exigua subsp. coronaria G. DeNevers 1981-6-27 1681 Sonoma Pepperwood Ranch. Walk up the Creek from Franz Valley Road through the Devil's Kitchen Comment
  CAS-BOT-BC61146  Streptanthus barbiger Milo S. Baker 1946-7-4 11519 Sonoma Harrison Grade, 2 miles northeast of Occidental. Comment
  UC1178914  Streptanthus barbiger Herbert L. Mason 1946-7-4 12896 Sonoma ridge 2 mi e Occidental Comment
  UC1492714  Streptanthus barbiger Freed W. Hoffman 1948-6-16 2341 Sonoma Dorr's Cabin North Coast Ranges, upper East Austin Creek Comment
  CAS-BOT-BC61214  Streptanthus brachiatus Lawrence F. LaPre 1985-6-5 s.n. Sonoma Socrates Mine near Lake County Line, just west of Pine Flats Road. Comment
  UC1478046  Streptanthus brachiatus Charlie Patterson 1980-6-16 Sonoma ca 1 1/2 mi e Socrates Mine (near Lake Co. line) Comment
  UCD167314  Streptanthus glandulosus James Neilson 1977-6-7 3906 Sonoma Mayacmas Mountains, about 1/3 mi south east Lunar Point. (Location information obtained from Neilson 3911 which indicated that Lunar Point is west of Locke Cabin. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC87231  Streptanthus glandulosus subsp. glandulosus Mrs. C. A. Burlingame 1921-5-20 s.n. Sonoma Sonoma. Comment
  UC10874  Streptanthus glandulosus subsp. glandulosus F. T. Bioletti 1892-5-1 Sonoma Hood's Peak Comment
  UC10885  Streptanthus glandulosus subsp. glandulosus H. N. Bolander April 1864 3944 Sonoma at the Geysers Comment
  JEPS86337  Streptanthus glandulosus subsp. secundus Jack and Betty Guggolz 1988-5-8 928 Sonoma outcrop on e side of Pine Flat Road 7.9 mi from Hwy 128 Comment
  UC10912  Streptanthus glandulosus subsp. secundus Edw. L. Greene 1894-6-17 Sonoma Mt. St. Helena Comment
  UC1292748  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-24 3361 Sonoma trail from Gray Creek to the Island North Coast Ranges (headwaters of East Austin Creek) Comment
  UC1492746  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-4-20 1703 Sonoma near Guerneville; North Coast Ranges, Del Preti Hill Comment
  UC985958  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-6-4 2904 Sonoma along road at base of mt 2.2 mi from Healdsburg Park (e of Healdsburg); North Coast Ranges, Fitch Mountain Comment
  UC985967  Streptanthus glandulosus subsp. secundus Freed W. Hoffman April, 1948 2701 Sonoma Gabe's Rock North Coast Range, Poole Ridge (1 mi nw of Guerneville) Comment
  NY185747  Streptanthus glandulosus subsp. secundus F. W. Hoffman 1948-6-8 2323 Sonoma North Coast Ranges; Great Eastern Quicksilver Mine near Guerneville Comment
  UC985965  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-17 2342 Sonoma Herr road above Armstrong Woods; North Coast Ranges Comment
  SEINET12006991  Streptanthus heterophyllus Unknown 1936-1 13416 Sonoma near Healdsburg Comment
  JEPS82241  Streptanthus morrisonii Roger Raiche 1983-8-6 30581 Sonoma headwaters Austin Creek (The Cedars); , Austin Creek 182 Comment
  UC1292737  Streptanthus morrisonii Freed W. Hoffman 1947-6-4 1029 Sonoma Red Slide, Bargeman Creek North Coast Ranges Comment
  UC1292741  Streptanthus morrisonii Freed W. Hoffman 1946-9-26 1025 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  UC1292745  Streptanthus morrisonii Freed W. Hoffman 1950-6-17 3378 Sonoma Steelhead Gulch North Coast Ranges Comment
  UC1492806  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1949-8-19 2995 Sonoma near headwaters of Devil Creek (tributary of East Austin Creek); North Coast Ranges, The Island Comment
  CAS-BOT-BC33877  Streptanthus tortuosus Frederick Theodore Bioletti 1897-5-30 s.n. Sonoma Hoods Pk. Comment
  UC117370  Streptanthus tortuosus var. suffrutescens Michener and Bioletti 1892-5-30 Sonoma Hood's Peak Comment
  UCD166202  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  CAS-BOT-BC269629  Symphoricarpos albus var. laevigatus Peter Rubtzoff 1952-6-13 1252 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  UC353794  Symphoricarpos mollis Milo S. Baker Jun 1928 3168 a Sonoma e side Los Guilucos Valley (road to Youngman's) Comment
  CAS-BOT-BC97826  Symphyotrichum chilense J. W. Congdon 1880-9-12 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC97836  Symphyotrichum chilense Milo S. Baker 1948-9-1 12042 Sonoma About 1 mi north of [Hiway] Highway Junction (i.e., Sears Point) of Sears Point from Vallejo and Black Point cut off Comment
  CAS-BOT-BC98568  Symphyotrichum lentum Peter Rubtzoff 1958-9-6 3971 Sonoma Laguna de Santa Rosa north of cunningham (nr. Todd Rd.) - Sonoma County Marshes Comment
  UC29833  Symphyotrichum subspicatum Harley P. Chandler 1900-5-25 698 Sonoma Bodega Bay Comment
  CAS-BOT-BC221965  Taeniatherum caput-medusae D. E. Breedlove 1980-6-27 44732 Sonoma Pepperwood Ranch W of Knights Valley Comment
  SEINET10575096  Tamarix parviflora John F. Gaskin 1998-7-2 Gaskin 78 Sonoma Hyde and Pearson Road, E 150 yds to corner. Comment
  CHSC26306  Tellima grandiflora P. Kunst 1977-4-12 23 Sonoma Ca. 4 yd n of Coleman Valley Rd and 3 yd s of Coleman Valley Creek, 2.5 mi w of Occidental. 219 Comment
  CAS-BOT-BC447461  Tellima grandiflora Mary P. Wells 1981-4-19 s.n. Sonoma Forest near So. fork Gualala River, The Sea Ranch Comment
  UC796642  Thermopsis californica var. californica Ira L. Wiggins 1949-4-30 12058 Sonoma roadside 6.8 mi e Santa Rosa (on road to Calistoga) Comment
  CHSC19524  Thermopsis macrophylla C. Euser 1974-4-4 2 Sonoma Found ca. 8 mi n of Napa, on Hwy. 116, ca. 0.5 mi se from junction with Hwy. 121. Comment
  SEINET7096767  Thermopsis macrophylla var. venosa A. G. Vestal 1955-5-7 s.n. Sonoma On Jonive Road. Ca 4.6 miles west of Sebastipol. NAD27,38? deg. 22' 48ao, -122?_ 54' 01ao (converted to WGS84 decimal degrees) UTM Zone 10, 508701mE, 4247764mN. Comment
  SEINET11996226  Thysanocarpus curvipes H. K. Wagnon 1989-1 1852 Sonoma Spring Lake County Park, Santa Rosa 67 Comment
  CAS-BOT-BC67336  Thysanocarpus radians John Thomas Howell 1931-4-2 6041 Sonoma Boyes Springs. Comment
  JEPS35791  Thysanocarpus radians Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8926 Sonoma s Sonoma (e of Arnold Dr, 0.7 mi n of junction of Arnold Dr with State Hwy 37) Comment
  UC1101052  Tofieldia occidentalis subsp. occidentalis Herbert L. Mason 1946-7-4 12887 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  JEPS54955  Tonella tenella Harry K. Roberts 1968-4-6 Sonoma 1.5 air mi nne Rio Nido (1 mi ne of Sonoma Mercury Mine, n side of Mt Jackson, on road to lookout); Mt. Jackson 320 Comment
  UCD160826  Torilis arvensis James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3352 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  UC1084739  Torilis arvensis Milo S. Baker May 1957 13121 Sonoma Brookside Garden Comment
  UCD128172  Torilis nodosa Frederica Bowcutt 1984-6-23 436 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. North of Gerstle Cove approx. 1/4 mile. W of Highway 1. 15 Comment
  SEINET10905242  Torreya californica Milo S. Baker 1941-8-4 Baker 8592 Sonoma Canyon near Sea Coast. Comment
  CAS-BOT-BC169260  Toxicodendron diversilobum Peter Rubtzoff 1951-8-18 630 Sonoma Western branch of the Upper Marsh, Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC169263  Toxicodendron diversilobum G. DeNevers 1981-4-18 738 Sonoma Pepperwood Ranch Comment
  SEINET12238544  Toxicodendron diversilobum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -266 Sonoma ca 10 mi from Warm Springs Dam on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC377110  Tragopogon porrifolius G. DeNevers 1981-5-20 1220 Sonoma Pepperwood Ranch. At the Golden Gate Bus Station on Piner Road Comment
  UC762795  Trichostema laxum R. F. Hoover 1942-7-6 5911 Sonoma ridge S of The Geysers 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
  SEINET13948220 Image available Trichostema laxum Lewis S. Rose 1955-1 55111 Sonoma 2 mi E of Occidental; ca 800 ft alt. 244 Comment
  SEINET6174104 Image available Trientalis europaea var. latifolia Sally Walker 1981-5-25 Sonoma 3 miles west of Occidental Sonoma co. Comment
  UC1301132  Trientalis latifolia Helen K. Sharsmith 1963-5-25 5489 Sonoma on Coleman Valley Road e of Occidental; San Francisco Bay Region, Coleman Valley Road 304 Comment
  UCR265088  Trientalis latifolia Ann Howald 2015-4-28 3372 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 11.5 miles west of intersection with Rockpile Rd, Warm Springs drainage 408 Comment
  CAS-BOT-BC166756  Trifolium Peter Rubtzoff 1974-5-26 7495 Sonoma Todd Road, 1.5 miles from hwy. 116 and 0.5 miles from Llano Road. Comment
  CAS-BOT-BC173629  Trifolium Peter Rubtzoff 1974-5-18 7430 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173638  Trifolium Peter Rubtzoff 1974-5-19 7442 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  RSA784984  Trifolium Peter Rubtzoff 1972-6-23 6786 Sonoma Atascadero Creek Marsh. Comment
  RSA784987  Trifolium Peter Rubtzoff 1974-5-11 7403 Sonoma Laguna de Santa Rosa east of Sebastopol (south of Hwy 12 crossing) Comment
  UC249680  Trifolium amoenum Joseph P. Tracy 1921-5-13 5548 Sonoma near Petaluma; Northern Coast Ranges 15 Comment
  UC188464  Trifolium barbigerum J. W. Congdon 1880-5-9 Sonoma Petaluma Comment
  UC630864  Trifolium barbigerum C. V. Piper 1904-5-27 6350 Sonoma Petaluma Comment
  UCD33227  Trifolium bifidum Beecher Crampton 1967-5-15 7928 Sonoma Lytton. Comment
  UC1541604  Trifolium bifidum var. bifidum H. E. and S. T. Parks 1930-5-9 612 Sonoma Knights Valley Comment
  CAS-BOT-BC361357  Trifolium bifidum var. bifidum Greg de Nevers 1997-4-16 10940 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  UCD151095  Trifolium bifidum var. decipiens James A. Neilson Jr. 1973-6-3 2989 Sonoma Mayacmas Mountains. The Geysers. Site I. In Geyser Canyon. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  UCD107611  Trifolium buckwestiorum P. G. Connors 1995-6-11 350 Sonoma Bodega Head and Dunes. Cazadero, King Ridge Road. 292 Comment
  JEPS65801  Trifolium ciliolatum W. L. Jepson 1921-5-6 9814 Sonoma Calistoga to Parker Creek, grade summit Comment
  UCD108258  Trifolium ciliolatum Erik Beever 1993-5-8 230 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Pony Gate Trail. 365 Comment
  UCD108271  Trifolium ciliolatum Freed W. Hoffman 1946-3-6 1858 Sonoma North Coast Ranges. Near Guerneville. Above Quicksilver Mines. Comment
  UCD108278  Trifolium ciliolatum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 65 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road. 259 Comment
  UCD165162  Trifolium dubium Peter Rubtzoff 1974-5-25 7464 Sonoma Upper Green Valley Marsh. Comment
  UCD165150  Trifolium gracilentum Peter Rubtzoff 1974-5-18 7428 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD109129  Trifolium grayi Beecher Crampton 1955-4-5 2401 Sonoma 2 miles W of Fulton, Woolsey Road. Comment
  UCD143709  Trifolium grayi Beecher Crampton 1955-4-5 2410 Sonoma 2 miles north of Trenton, Mark West Station Road. Comment
  UCD136316  Trifolium hirtum M. Rei Scampavia Evangelista 2012-5-19 7 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, travel down Pepperwood Road towards the Visitor Center. Take a left at the sign for the Betchel House. Follow signs on dirt roads that direct towards Three Tree Hill. Park at the top of Three Tree Hill, then take a bearing of 280 degrees for 250 meters. 408 Comment
  UCD111143  Trifolium hirtum Frederica Bowcutt 1996-5-19 2122 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Lower Bald Mtn. trail. 426 Comment
  JEPS128259  Trifolium microcephalum Roger Raiche 2000-4-20 040 .00 Sonoma The Cedars. Gateway Parcel at Christi Camp. Lower Russian River, Big Austin Creek watershed. Comment
  UC866894  Trifolium microdon L. R. Abrams 1918-4-27 6916 Sonoma near Healdsburg (Independence School) Comment
  UCD33225  Trifolium microdon Beecher Crampton 1967-5-15 7926 Sonoma Sonoma County, Lytton. Comment
  UCD164681  Trifolium repens Peter Rubtzoff 1976-5-30 8555 Sonoma Kenwood Marsh. Comment
  UCSC011035  Trifolium rostratum R. Morgan 1995-6-8 2752 Sonoma Petaluma, Field opposite Laguna Elementary School on Chileno Valley Road near Petaluma-Marshall Road Comment
  UCD147006  Trifolium tomentosum Robert E. Preston 2011-4-28 2851 Sonoma Sonoma, in vacant lot N of MacArthur St, between 4th St and Hayes St. 21 Comment
  UCSC005281  Trifolium variegatum Randall Morgan 1995-5-18 2626 Sonoma Windsor, Shilloh Road Comment
  UCD109496  Trifolium variegatum var. major Terri Williamson 1990-5-20 59 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  JEPS4154  Trifolium willdenovii W. L. Jepson 1912-4-30 4191 Sonoma Sonoma Valley Comment
  UC496412  Trifolium willdenovii Merle Randall 1930-4-7 Sonoma Redwood Grove Cazadero Comment
  UCD109525  Trifolium willdenovii P. G. Connors 1992-5-8 249 Sonoma Bodega Head and Dunes. Comment
  UCSB31789  Trifolium willdenovii Townsend, J. 1977-5-29 Sonoma West side Old Cazadero Rd. about 7 miles north-east of Guerneville 518 Comment
  CAS-BOT-BC451942  Triglochin maritima Peter Rubtzoff 1963-8-17 5224 Sonoma Near Petaluma River just east of Petaluma. Comment
  CAS-BOT-BC451945  Triglochin maritima Lewis S. Rose 1964-6-3 64055 Sonoma N. end of Bodega Bay 1 Comment
  SEINET5869493 Image available Triglochin maritima L. S. Rose 1964-1 64055 Sonoma N end of Bodega Bay Comment
  JEPS76933  Trillium ovatum Robert M. Lloyd 1963-2-24 2045 Sonoma abandoned picnic ground 0.5 mi. n. of Occidental on rd. to Camp Meeks 45 Comment
  RSA178023  Trillium ovatum Robert F. Thorne 1965-4-19 34314 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  JEPS3418  Triphysaria eriantha subsp. rosea Eleanor Armstrong 1933-4-15 775 Sonoma Bodega Bay; near ocean 6 Comment
  UC1348907  Triphysaria versicolor subsp. faucibarbata Robert F. Thorne 1965-4-19 34308 Sonoma Guerneville Hwy 1 mi e of Laguna Road ca 4 mi w Santa Rosa 45 Comment
  UC194181  Triphysaria versicolor subsp. faucibarbata Michener and Bioletti 1893-6-7 Sonoma Kenwood Comment
  UC1334862  Triphysaria versicolor subsp. versicolor L. D. Thurman 1965-5-3 665 Sonoma on State Highway #1, 2 mi n Bodega Bay; n of Bodega Bay Comment
  UC726148  Triphysaria versicolor subsp. versicolor A. A. Heller 1940-5-17 15630 a Sonoma back of the bluff n of the town of Bay Bodega Bay; , Bodega Bay Comment
  CAS-BOT-BC200106  Trisetum canescens Peter Rubtzoff 1951-6-7 111 Sonoma Western branch of the Upper Marsh Comment
  UCR141951  Trisetum canescens Beecher Crampton 1955-6-17 2931 Sonoma North Coast Range, 3.3 miles west of Forestville, along State Highway 116 ['12'] 61 Comment
  CAS-BOT-BC200097  Trisetum canescens G. DeNevers 1981-5-30 1350 Sonoma On N side of Studio Road at base of hill, near the green Gate Comment
  CAS-BOT-BC522356  Triteleia hyacinthina Peter Rubtzoff 1959-5-31 4087 Sonoma Freestone Marsh; Sonoma County Marshes Comment
  CAS-BOT-BC522367  Triteleia hyacinthina H. C. Cantelow 1936-5-3 1326 Sonoma N of Shellville Comment
  CAS-BOT-BC522371  Triteleia hyacinthina G. DeNevers 1981-5-9 1067 Sonoma E of the gate to the Redwoods; Pepperwood Ranch Comment
  JEPS58042  Triteleia laxa W. L. Jepson 1918-6-23 7661 Sonoma Petrified Forest Comment
  RSA53840  Triteleia peduncularis J. T. Howell 1945-5-30 s.n. Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC527979  Triteleia peduncularis Peter Rubtzoff 1965-6-20 5562 Sonoma Freestone Marsh Comment
  UCD93312  Triticum aestivum Frederica Bowcutt 1997-7-19 2188 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 1 air mile S of Red Mountain. Edge of service road just SW of group campground. Adobe Canyon near trailhead to Meadows Trail. 396 Comment
  CAS-BOT-BC74106  Turritis glabra John Thomas Howell 1930-6-8 5291 Sonoma 8.5 miles north of Bodega Bay. Comment
  CAS-BOT-BC74107  Turritis glabra Alice Eastwood; John Thomas Howell 1938-5-15 5511 Sonoma Near Mark West Springs. Comment
  CAS-BOT-BC74110  Turritis glabra A. A. Heller; H. E. Brown 1902-5-29 5624 Sonoma Mount Hood. Comment
  SD134039  Typha angustifolia Peter Rubtzoff 1971-7-9 6592 Sonoma 5 mi. north of Sears Point. Shallow water near margin of pond Comment
  RSA383399  Typha domingensis Christopher Davidson 1977-6-20 6023 Sonoma Dry Creek Road, 11.9 miles W of Geyserville. Gravel bar in Warm Springs Creek. 137 Comment
  UC1084365  Ulex europaeus G. Thomas Robbins 1937-3-26 31 Sonoma Forming dense thickets along road W of Bodega. Comment
  CAS-BOT-BC208028  Ulex europaeus Walter Knight; Irja Knight 1963-12-28 483 Sonoma Valley Ford-Bodego Bay highway Comment
  CAS-BOT-BC540808  Ulmus Peter Rubtzoff 1974-8-31 7855 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC91282  Umbellularia californica Walter Knight; Irja Knight 1963-12-27 476 Sonoma Summit, Pine Flat Road. Comment
  CDA7733  Uropappus lindleyi D. G. Kelch 2007-5-13 7 .294 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  CAS-BOT-BC403976  Urtica dioica subsp. gracilis Peter Rubtzoff 1974-9-8 7890 Sonoma Forest Hills, 5.5 miles east of Guerneville, south rim of Russian River canyon Comment
  CAS-BOT-BC403991  Urtica dioica subsp. gracilis Marcus E. Jones 1882-7-17 3483 Sonoma Duncan's Mills Comment
  CAS-BOT-BC403989  Urtica dioica subsp. gracilis L. R. Abrams 1920-7-3 7601 Sonoma Gualala River near Mendocino--Sonoma Co. Line Comment
  UC634727  Vaccinium ovatum H. L. Mason 1928-4-8 4289 a Sonoma 2 mi n Fort Ross Comment
  UC1126304  Vancouveria planipetala H. S. Yates 1936-5-16 5614 Sonoma 1 mi nw Mountain View School; Sebastopol Quad., nw of Mountain View School Comment
  UCD95103  Vancouveria planipetala Rolf Y. Berg 1964-10-5 8096 Sonoma along Hwy. 12, Russian River Valley, 1 M. below sideroad to Occidental (1 M. NW. of Monte Rio.) Comment
  CAS-BOT-BC156315  Verbascum Peter Rubtzoff 1955-7-17 1976 Sonoma [Guernerville] Guerneville Marsh Comment
  CAS-BOT-BC320569  Verbascum Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7808 Sonoma Kenwood Marsh. Comment
  JEPS39095  Verbena lasiostachys var. lasiostachys W. L. Jepson 1921-9-12 9486 Sonoma Alexander Valley 45 Comment
  CAS-BOT-BC164371  Veronica Peter Rubtzoff 1961-6-23 s.n. Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC269311  Veronica Peter Rubtzoff 1971-5-8 6429 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD163999  Veronica americana Peter Rubtzoff 1977-9-4 9127 Sonoma Cunningham Marsh area, ca. 1 air mile west-southwest of Cunningham Station. Comment
  RSA786487  Veronica americana Peter Rubtzoff 1959-6-20 4172 Sonoma Willow Creek Marsh. Comment
  RSA264766  Veronica anagallis-aquatica Peter Rubtzoff 1956-9-16 2920 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  RSA276858  Veronica anagallis-aquatica Peter Rubtzoff 1968-9-21 5983 Sonoma Russian River bottom at Forest HIlls, 5.5 mi east of Guerneville. Comment
  UCD124755  Veronica persica Robert F. Thorne 1965-4-19 34269 Sonoma Titus Ranch at Valley Ford. 18 Comment
  RSA94259  Veronica scutellata Peter Rubtzoff 1951-6-16 233 Sonoma Lower part of the upper marsh. Comment
  CAS-BOT-BC267249  Viburnum ellipticum Greg de Nevers 1981-5-7 967 Sonoma Pepperwood Ranch. In W arm of Garrison Canyon Comment
  CAS-BOT-BC258031  Vicia Peter Rubtzoff 1970-8-25 6339 Sonoma Austin Creek beach 0.5 miles north of Cazadero. Comment
  SJSU10306  Vicia americana subsp. americana G. J. Woodside 1969-4-20 Sonoma Dutton Bill Cr, 4 mi above Camp Meeker at Dorothys Rest Comment
  UCD151091  Vicia americana subsp. americana James A. Neilson Jr. 1973-6-3 2969 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
  UCR255736  Vicia benghalensis Greg de Nevers 1998-8-25 11307 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; along road to Weimar Flat 400 Comment
  UCSB31792  Vicia benghalensis Townsend, J. 1977-5-30 Sonoma West side Russian River about 1 mile south of Guerneville 335 Comment
Read comments
Jul 28 2008
  JEPS66188  Vicia pannonica Milo S. Baker May 1931 5162 Sonoma Rincon School Rincon Valley (Rincon Valley, in Austin's field just n of highway) Comment
  JEPS73355  Vicia sativa Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 758 Sonoma 1 mi w Two Rock Junction Comment
  UC1084368  Vicia sativa G. Thomas Robbins 1937-3-26 34 Sonoma just e Bodega (along road to Bodega) Comment
  SEINET7040131  Vicia sativa subsp. nigra A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  UC1763358  Viola adunca Milo S. Baker 1899-5-6 5506 Sonoma near Sebastopol Comment
  UC1761828  Viola douglasii Mary Focht 1932-3-11 Sonoma Santa Rosa Country Club golf links Comment
  UCD110882  Viola glabella R. H. Miller 1949-4-6 26 Sonoma Beside Highway 12, 5 miles SE of Monte Rio. Comment
  UC1763295  Viola lobata Milo S. Baker 1905-4-1 5221 Sonoma Hood Mountain on Macartney road Comment
  HSC21828  Viola ocellata Malcolm L. Byce 1936-3-22 168 Sonoma Camp Miller, 3.5 mi. W of Cazadero, towards Ft. Ross, on Ward Creek Comment
  UC540626  Viola palustris subsp. brevipes Milo S. Baker 1934-4-1 7692 a Sonoma Kenwood Garden Kenwood; Kenwood, Sonoma Co. Comment
  SEINET11996124  Viola sempervirens F. H. Utech 1988-1 88 -009 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  UC1393645  Viscum album W. J. Ferlatte and William O. McCartney 1970-12-22 1325 Sonoma Sebastopol; nw corner of Mill Station and Gravenstein Highway 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-BC203135  Vitis californica C. B. Wolf; B. D. Stark 1933-9-27 5512 Sonoma 5.8 mi. N.W. of Kellogg on rd. to Geyserville 91 Comment
  HSC95746  Vitis californica C. Wistrom 1996-5-26 25 Sonoma 1601 Dry Creek Rd. 49 Comment
  CAS-BOT-BC203132  Vitis californica H. E. McMinn 1922-6-7 188 Sonoma Stream entering Russian River - 2 1/2 mi. from Cosmo Comment
  RSA0121715  Vitis californica Christopher Davidson 1977-6-20 6003 Sonoma Dry Cr. Road, 7.2 miles W of Geyserville. Along Warm Sprgs Cr. 76 Comment
  UCD17547  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma 5 miles N on Upper Lake Highway, E of Ukiah. Near first highway bridge. Comment
  CAS-BOT-BC199905  Vulpia bromoides G. DeNevers; S. Kaza 1981-5-7 986 A Sonoma 10510 Old Redwood Hwy. 2 mi NW of Windsor exit from 101, vacant lot by Healdsburg Rent-All Comment
  CAS-BOT-BC199917  Vulpia bromoides Peter Rubtzoff 1952-6-10 1205 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC199902  Vulpia bromoides G. DeNevers 1981-5-14 1152 Sonoma Small Canyon N of Pippindale pond Comment
  SEINET197662 Image available Vulpia bromoides Leo Koch 23/47/0001 85564 Sonoma At Geysers in Sulfur Creek Canyon. Comment
  UC1146644  Vulpia microstachys var. ciliata Freed W. Hoffman 1941-6-1 2184 Sonoma Oregon Canyon; North Coast Ranges Comment
  CAS-BOT-BC184133  Vulpia microstachys var. microstachys G. DeNevers 1981-6-18 1578 Sonoma W arm of Garrison Canyon Comment
  CAS-BOT-BC184595  Vulpia microstachys var. pauciflora Leo Koch 1939-4-16 585 Sonoma Ca. 7 mi. from Petaluma to Marshalls Comment
  SD112861  Vulpia microstachys var. pauciflora Darley F. Howe 1963-5-23 3530 Sonoma 4 miles north of Cloverdale on #128 334 Comment
  CAS-BOT-BC185832  Vulpia myuros subsp. megalura A. A. Heller 1902-6-10 5681 Sonoma Santa Rosa Comment
  CAS-BOT-BC185835  Vulpia myuros subsp. megalura G. DeNevers 1981-5-15 1202 Sonoma Grazed shore of Hansel's Lake Comment
  JEPS69243  Vulpia myuros var. hirsuta W. L. Jepson 1911-4-30 4186 Sonoma near Glen Ellen; Sonoma Valley 83