Search Results — 2000 specimen records retrieved (1258 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/consortium/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCD109786  Abronia latifolia Eric S. Nagy 1990-5-18 s.n. Sonoma Bodega Head, first dune ridge W of harbor along road, E of marine lab dorms, Bodega Bay. Comment
  SEINET946043  Abronia latifolia Leo A. Galloway 1968-1 598 Sonoma Doran County Park. Comment
  RSA0057967  Abutilon theophrasti Greg de Nevers 1997-9-10 11087 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Road at Mark West Springs Road. 100 Comment
  SEINET9342872  Acacia dealbata John Nelson, Wnek, R. 2000-3-6 20955 Sonoma Sonoma County Comment
  CDA40635  Acaena pinnatifida var. californica M. Lusk 1967-5-5 s.n. Sonoma Christmas tree planting, Santa Rosa. 0 Comment
  RSA788832  Acer macrophyllum Carrie A. Herd 1982-3-14 17 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  SEINET12238549  Acer macrophyllum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -267 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UC871945  Acer negundo var. californicum Martha Meagher 1947-3-22 98 Sonoma county road one-half mi w Freezeout Creek (across Russian River from Duncan's Mills); Russina River, w of Freezeout Creek Comment
  CAS-BOT-BC30087  Achillea millefolium Roxana S. Ferris 1932-5-27 8254 Sonoma Bodega Bay Comment
  CAS-BOT-BC30449  Achillea millefolium John Thomas Howell 1938-7-3 13958 Sonoma Pitkin Marsh Comment
  NY380622  Acmispon gracilis A. A. Heller 1902-6-24 5754 Sonoma Near Burke's Santarium Comment
  UCD104493  Acmispon wrangelianus Mary M. Hektner 1974-6-2 11 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC361370  Adenostoma fasciculatum Greg de Nevers 1997-3-20 10921 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill 400 Comment
  CAS-BOT-BC376248  Adenostoma fasciculatum Greg de Nevers 1996-3-4 10784 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Devil's Kitchen outcrops on Oak Hill Ranch east of Chalk Mountain 487 Comment
  UCD162160  Adiantum aleuticum D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1514 Sonoma Hooker Creek watershed. 480 Comment
  UCSB40475  Adiantum aleuticum Takada, Brian 1978-5-28 Sonoma 20mi N of Bodego Bay on Hwy 1 Comment
  JEPS128363  Adiantum capillus-veneris Roger Raiche 2000-5-27 112 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1063726  Adiantum jordanii E. Armstrong 1934-3-26 909 Sonoma 1 mi nw Camp Meeker; Sebastopol Quadrangle 121 Comment
  UC1201284  Adiantum jordanii E. Samuels 230 Sonoma Comment
  UCD137241  Adiantum jordanii C. Wistrom 1996-5-26 36 Sonoma Healdsburg. 1735 Dry Creek Road. 48 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
  UCD165164  Agoseris Peter Rubtzoff 1974-5-26 7470 Sonoma Vernal pool on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  UCD158774  Agoseris grandiflora James A. Neilson Jr. 1974-6-1 3558 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  JEPS36308  Agoseris hirsuta W. L. Jepson 1896-6-2 Sonoma Bodega Bay 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-BC210011  Agrostis Peter Rubtzoff 1968-7-13 5918 Sonoma Upper Salmon Creek Marsh Comment
  RSA785751  Agrostis Peter Rubtzoff 1968-6-25 5911 Sonoma Lichan Marsh Comment
Read comments
Apr 16 2014
  UCD35657  Agrostis ampla Beecher Crampton 1959-6-16 5391 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  UCR152276  Agrostis ampla Beecher Crampton 1959-6-16 5391 Sonoma 2 mi east of Occidental, Jonive School Area Comment
  CAS-BOT-BC127548  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. 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
  UCD35514  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma 4.6 miles north of Salmon Creek, Sonoma Coast State Park, Duncan's Point. Comment
  UCD51841  Agrostis blasdalei Beecher Crampton 1957-7-22 4366 Sonoma above Fisherman's Bay, 0.3 mile south of Stewart's Point. Comment
  SEINET3916029  Agrostis californica 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.; 0 Comment
  UCD37156  Agrostis densiflora Beecher Crampton 1957-7-11 4350 Sonoma Sonoma County, 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  UCD51885  Agrostis densiflora Beecher Crampton 1957-7-22 4367 Sonoma 0.3 mile south of Stewart's Point, above Fisherman's Bay. Comment
  CAS-BOT-BC127404  Agrostis elliottiana Catherine Best 1993-5-6 1413 Sonoma Pepperwood, growing in Weimar Meadow. Comment
  CAS-BOT-BC126968  Agrostis exarata A. A. Heller 1902-6-27 5779 Sonoma West of Windsor near Russian River. Comment
  POM207133  Agrostis exarata A. A. Heller 1902-6-27 5779 Sonoma West of Windsor near Russian river. Comment
  POM207134  Agrostis exarata A. A. Heller 1902-6-4 5641 Sonoma Santa Rosa Comment
  RSA129591  Agrostis exarata H. S. Yates 1937-5-31 6565 Sonoma 1 1/2 miles N.W. of Petrified Forest, Calistoga quadrangle 335 Comment
  UC1130662  Agrostis exarata H. S. Yates 1937-6-6 6582 Sonoma 5 mi ne Duncan Hills; Sebastopol Quadrangle Comment
  UCD161760  Agrostis exarata James A. Neilson Jr. 1975-7-8 3393 Sonoma Mayacmas Mountains; western portion of Geyser Rock.(Coordinates and elevation estimated by label maker.) 1066 Comment
  UCD52498  Agrostis exarata A. A. Beetle; G. L. Stebbins Jr. 1942-7-4 3593 Sonoma corner of Wright Road and Rt. 12 in outskirts of Santa Rosa. Comment
  UC1011207  Agrostis hallii Virginia Bufford 1936-5-21 370 Sonoma near Skaggs Springs Comment
  SEINET7953066 Image available Agrostis microphylla Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen) 189 Comment
  UCD53018  Agrostis microphylla Beecher Cramppon 1959-6-16 5381 Sonoma 1 mile east of Occidental. Comment
  SEINET197664  Agrostis microphylla Leo Koch 1940-4-22 837 Sonoma Sulfur Creek Geysers: grassy hills above 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
  UCD53117  Agrostis pallens P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC138594  Agrostis stolonifera 1947-6-26 11842 Sonoma Cunningham Marsh ca. 1 mile (airline) southwest of Cunningham Station. Comment
  UCD53596  Agrostis stolonifera Peter Rubtzoff 1951-7-21 508 Sonoma Between the Upper and the Lower marshes, near Forestville. Comment
  UCR275266  Agrostis viridis Peter Rubtzoff 1970-9-3 6377 Sonoma Marsh off west side of Highway 1, 0.7 miles SE of Salmon Creek crossing 30 Comment
  JEPS45806  Aira caryophyllea Eleanor Armstrong 1932-6-4 188 Sonoma 1/2 mi w Camp Meeker (near St. Dorothy's Rest) 137 Comment
  CAS-BOT-BC138393  Aira caryophyllea var. capillaris K. Wagnon 1939-4-20 180 Sonoma About 2 miles west of Vine Hill School along road. Comment
  CAS-BOT-BC138217  Aira caryophyllea var. caryophyllea Alice Eastwood 1915-6-29 s.n. Sonoma Bodega Point. Comment
  UCD55801  Aira praecox Beecher Crampton 1957-7-11 4353 Sonoma above Blind Beach, just south of Goat Rock, Sonoma Coast State Park, ca. 9 miles north of Salmon Creek. Comment
  CAS-BOT-BC166765  Alisma lanceolatum Peter Rubtzoff 1966-7-4 s.n. Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  UCD55335  Alisma lanceolatum Ellen Dean 2006-6-28 3179 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. In southeast part of vineyard where a new reservoir is planned 169 Comment
  CAS-BOT-BC445328  Alisma lanceolatum Peter Rubtzoff 1959-6-20 4174 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC445329  Alisma lanceolatum Peter Rubtzoff 1959-6-20 4176 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC445335  Alisma lanceolatum Peter Rubtzoff 1954-7-17 1550 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC445342  Alisma lanceolatum Peter Rubtzoff 1958-8-16 3872 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road). Comment
  UC455143  Alisma plantago-aquatica I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  CAS-BOT-BC445465  Alisma triviale Peter Rubtzoff 1958-8-16 3874 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road). Comment
  CAS-BOT-BC445470  Alisma triviale Peter Rubtzoff 1954-6-20 1510 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC445477  Alisma triviale Walter Knight; Irja Knight 1965-9-12 1187 Sonoma Newanga Road, Santa Rosa. Comment
  UCD35882  Allium amplectens Beecher Crampton 1966-5-10 7731 Sonoma 6.5 miles n. of Sonoma, State Hwy. 12. Comment
  CAS-BOT-BC462388  Allium amplectens Milo S. Baker 1927-6-5 2211 d Sonoma Near Kenwood Comment
  CAS-BOT-BC469103  Allium dichlamydeum David D. Keck; J. Clausen 1935-6-15 3366 Sonoma 1 mile north of Salmon Creek Comment
  CAS-BOT-BC475434  Allium sativum Mary P. Wells 1985-7-1 523 Sonoma Dike of Ducker Creek, Rincon Valley, Santa Rosa Comment
  UCSC000151  Allium unifolium Beryl O. Schreiber 1934-5-16 1120 Sonoma Healdsberg, Fitch Mountain Road Comment
  CDA39418  Allium unifolium T. C. Fuller 1967-5-19 15884 Sonoma South side of Petaluma - Valley Ford Hwy., 2 miles northwest of Two Rock. 0 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-BC169366  Alnus rubra Peter Rubtzoff 1951-8-26 683 Sonoma At base of hill near the road from East Guernewood to Vacation Beach (Guerneville Ragion) Comment
  CAS-BOT-BC138042  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1957-5-11 3332 Sonoma Occidental Marsh. Comment
  UC576308  Alopecurus aequalis var. sonomensis H. S. Yates 1936-5-16 5603 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh 30 Comment
  UCD55892  Alopecurus aequalis var. sonomensis H. S. Yates 1937-5-30 6555 Sonoma 1.5 miles east of Occidental. 91 Comment
  CAS-BOT-BC137908  Alopecurus saccatus Alice Eastwood 1921-4-24 10351 Sonoma Santa Rosa. Comment
  CAS-BOT-BC258029  Amaranthus Peter Rubtzoff 1973-8-29 7284 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC44967  Ambrosia chamissonis Mary P. Wells 1981-7-1 s.n. Sonoma Goat Rock State Beach Comment
  OBI35909  Ambrosia chamissonis David J. Keil 1983-6-29 17190 Sonoma Doran Beach County Park, Bodega Head Comment
  SD39979  Ambrosia chamissonis Edith A. Purer 1932-7-16 4030 Sonoma Bodega Bay, sandy bluff Comment
  POM161247  Ambrosia chamissonis var. chamissonis Rimo Bacigalupi 1928-6-18 1899 Sonoma Beach at mouth of Salmon Creek, 2 miles N of Bodega Bay. Comment
  CAS-BOT-BC137886  Ammophila arenaria John H. Thomas 1969-9-21 15472 Sonoma Coastal strand, near mouth of Russian River. Comment
  SEINET3917971  Ammophila arenaria K. Thorne 1984-11-21 3659 Sonoma Sea Ranch, 2.5 mi S of Gualala, stabilized coast dunes old sheep ranch.; 0 Comment
  CAS-BOT-BC177223  Amorpha californica var. napensis A. Day 1982-6-1 82 65 A Sonoma Pepperwood Ranch Comment
  SEINET7062934  Amorpha californica var. napensis A. G. Vestal 1947-5-16 s.n. Sonoma About 8.2 miles east of Windsor on Porter Creek Road. UTM Zone 10, 528660mE, 4266821mN. (WGS84/NAD83). 329 Comment
  CAS-BOT-BC177232  Amorpha californica var. napensis W. P. Vestal; A. G. Vestal 1947-5-16 s.n. Sonoma About 8.2 miles east of Windsor Comment
  POM252871  Amorpha californica var. napensis D. C. Michener, Bioletti 1893-05 s.n. Sonoma Nun's Canyon Comment
  UC727130  Amsinckia intermedia A. A. Heller 1940-4-22 15547 Sonoma Anderson Valley Comment
  NY380649  Amsinckia nigricans A. A. Heller 1902-5-27 5614 Sonoma Bodega Bay Comment
  UC1073292  Amsinckia spectabilis George B. Rossbach 1955-3-19 454 Sonoma northern and highest hill on Bodega Head 76 Comment
  SEINET12519057  Amsinckia spectabilis Peter Kamb 1952-1 2298 Sonoma Hill 108 between Horseshoe Cove and Mussel Point, north end of Bodega Head 30 Comment
  CDA36951  Anagallis arvensis CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  RSA94466  Andropogon glomeratus Peter Rubtzoff 1951-11-24 849 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh; in a marshy opening. Comment
  UC1057473  Anemone oregana G. Thomas Robbins 1940-3-21 298 Sonoma ca 6 mi e Windsor (foothills, canyon e of Chalk Hill rd) Comment
  POM188473  Angelica californica Marcus E. Jones 1931-7-5 29050 Sonoma West of Cloverdale. Comment
  RSA296042  Angelica californica J. M. DiTomaso 1980-6-13 1599 Sonoma Trinity Rd. between Glen Ellen and Oakville 1494 Comment
  JEPS16077  Angelica hendersonii W. L. Jepson 1931-7-19 15940 Sonoma Salmon Creek 12 Comment
  UC174199  Angelica tomentosa Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  CAS-BOT-BC271523  Anisocarpus madioides Edw. L. Greene 1894-6-14 s.n. Sonoma Knight's Valley Comment
  CAS-BOT-BC173823  Anthemis cotula Peter Rubtzoff 1959-9-19 4279 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  RSA259578  Anthemis fuscata Thomas W. Nelson, James Nelson 1975-3-25 1751 Sonoma Asti, Growing as a weed in cultivated areas, vinyards Comment
  UCD37345  Anthoxanthum aristatum Beecher Crampton 1959-6-16 5367 Sonoma Sonoma County, 0.2 mile E of Occidental, on Occidental Road. Comment
  UCD56141  Anthoxanthum aristatum M. S. Baker 1936-4-1 248 Sonoma highway north of Windsor. Comment
  UCD56148  Anthoxanthum aristatum R. Tofsrud 1948-5-1 s.n. Sonoma West of Windsor. Comment
  SEINET7296733 Image available Anthoxanthum aristatum Leo Koch 1940-1 841 Sonoma along Highway 101, north of Windsor. Comment
  HSC93590  Anthoxanthum occidentale G. Fred Hrusa, G. L. Stebbins 1994-3-28 11705 Sonoma 14 mi. W of Cazadero Comment
  CAS-BOT-BC137692  Anthoxanthum odoratum John H. Thomas 1976-6-16 18336 Sonoma Southern Part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  RSA648061  Anthoxanthum odoratum Roos 1924-6-20 1524 Sonoma Between Santa Rosa and Sonoma. Comment
  UCD56259  Anthoxanthum odoratum Leo Koch 1940-4-22 841 Sonoma North Bay Counties, along Highway 101, north of Windsor. Comment
  UCD151252  Antirrhinum vexillocalyculatum James A. Neilson Jr. 1974-7-10 2835 Sonoma Mayacmas Mountains. Little Geysers. 731 Comment
  JEPS5335  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum W. L. Jepson 1923-6-28 10004 Sonoma near Kenwood; Sonoma Canyon 243 Comment
  CDA41217  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Mike Mason 1977-7-11 PDR# 371779 Sonoma River Road near Guerneville. 0 Comment
  RSA371498  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-8-10 329 Sonoma Healdsburg. On E side of Fitch Mt., just S of resort area on E side. 46 Comment
  OBI49250  Antirrhinum virga Michener & Bioletti, Bioletti 2005-3-7 s.n. Sonoma Hoods Peak [illegible] 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
  RSA0125737  Arabis breweri A. A. Heller, H. E. Brown 1902-3-31 s.n. Sonoma Mt. Hood Comment
  CDA40893  Aralia californica G. F. Hrusa 2003-11-11 16198 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. Sheet 2 of 2 0 Comment
  POM367169  Arbutus menziesii Christopher Davidson 1977-6-20 6014 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  POM77224  Arbutus menziesii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  SD7778  Arbutus menziesii M. Bioletti 1892-1 Sonoma Comment
  POM196028  Arbutus menziesii Emma Hawkins 1929-3-10 s.n. Sonoma Coast Ranges Comment
  CAS-BOT-BC56915  Arctostaphylos Walter Knight; Irja Knight 1968-1-1 2267 Sonoma Geysers Resort Comment
  RSA629219  Arctostaphylos Jon E. Keeley 1993-9-11 24784 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC526220  Arctostaphylos John Thomas Howell 1931-3-14 5773 Sonoma Vine Hill District Comment
  CAS-BOT-BC24078  Arctostaphylos bakeri Walter Knight; Irja Knight 1985-12-29 6378 Sonoma Harrison Grade 213 Comment
  CAS-BOT-BC24079  Arctostaphylos bakeri Catherine Best 1986-2-9 1161 Sonoma Stoetz Lane about 3 miles northeast of Occidental. 213 Comment
  CAS-BOT-BC25320  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10956 Sonoma Serpentine ridge, 2 miles E of Occidental Comment
  OBI14768  Arctostaphylos bakeri Robert F. Hoover 1968-2-23 10893 Sonoma Graton-Occidental rd Comment
  UC1281479  Arctostaphylos bakeri H. E. McMinn 1936-4-5 4409 Sonoma two mi n Occidental Comment
  UC909882  Arctostaphylos bakeri J. E. Adams 1935-3-1 1028 Sonoma 2 mi w Occidental Comment
  RSA164630  Arctostaphylos bakeri subsp. bakeri Percy C. Everett 1963-11-21 24566 Sonoma Harrison Grade, northeast of Occidental. 76 Comment
  RSA396205  Arctostaphylos bakeri subsp. bakeri F. H. Utech, Walter, Irja Knight 1984-4-18 84 -167 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane. 146 Comment
  RSA622701  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24704 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA622706  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24696 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA165884  Arctostaphylos bakeri subsp. bakeri Lee W. Lenz 10903 Sonoma stock from Saratoga Hort. Foundation, Source unknown Comment
  RSA622717  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24762 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UCD162183  Arctostaphylos canescens D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1521 Sonoma Hooker Creek watershed. 520 Comment
  RSA164627  Arctostaphylos canescens subsp. canescens P. C. Everett 1963-11-21 11807 Sonoma Rincon Ridge, now Robt. Sones' residence, ca. 3 mi. ne. of Sasnta Rosa. 145 Comment
  UCD55064  Arctostaphylos canescens subsp. canescens Ellen Dean; California Department of Forestry Personnel 2006-4-26 3002 Sonoma Top of Mt. St. Helena. 1319 Comment
  RSA18973  Arctostaphylos canescens subsp. sonomensis J. T. Howell 1937-4-11 12894 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  UC549707  Arctostaphylos canescens subsp. sonomensis J. E. Adams 1935-3-1 1022 Sonoma e Sta. Rosa; Rincon Ridge Comment
  UC876539  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12894 Sonoma ne Santa Rosa; Rincon Ridge Comment
  HSC99995  Arctostaphylos columbiana J. P. Smith, , J. O. Sawyer, & R. J. Cole 2009-10-10 12691 Sonoma Salt Point State Park Comment
  UC549635  Arctostaphylos columbiana J. E. Adams 1934-3-28 736 Sonoma 12 mi n Fort Ross Comment
  UCD50681  Arctostaphylos columbiana Freed W. Hoffman 1947-12-1 2747 Sonoma Salt Point. Comment
  CAS-BOT-BC24998  Arctostaphylos densiflora J. Clausen 1933-3-26 746 Sonoma Summit of Harrison Grade, Between Graton and Occidental. Comment
  CAS-BOT-BC24999  Arctostaphylos densiflora J. Clausen 1933-3-26 746 Sonoma Summit of Harrison Grade, Between Graton and Occidental. Comment
  CAS-BOT-BC25018  Arctostaphylos densiflora Milo S. Baker 1931-3-7 s.n. Sonoma Roadside near Vine Hill Schoolhouse. Comment
  RSA177948  Arctostaphylos densiflora R. F. Thorne 1965-4-19 34320 Sonoma Vine Hill School Road 1/2 mile from Vine Hill Road. 76 Comment
  UC571086  Arctostaphylos densiflora H. L. Mason 1931-3-7 5806 Sonoma 12 mi w Santa Rosa; Vine Hill School Comment
  UC909875  Arctostaphylos densiflora J. E. Adams 1934-3-28 722 Sonoma Vine Hill School Sta. Rosa Comment
  SEINET11993015  Arctostaphylos glandulosa W. Knight, Knight, I.; Edwards, S. W. 1985-1 5173 Sonoma 7.7 mi from W end of Sonoma Lake bridge on Rockpile Rd Comment
  SEINET11993024  Arctostaphylos glandulosa W. Knight, Knight, I.; Edwards, S. W. 1985-1 5170 Sonoma 5.1 mi W on Kelly Rd from Rockpile Rd junction, S of Mt. Tom 610 Comment
  CAS-BOT-BC23287  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1933-4-2 10941 Sonoma Rincon Ridge near Santa Rosa Comment
  RSA631188  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24720 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  POM181140  Arctostaphylos glandulosa subsp. glandulosa J. T. Howell 1931-3-14 5763 Sonoma Rincon Ridge. Comment
  UC1388309  Arctostaphylos glandulosa subsp. glandulosa Freed W. Hoffman 1947-4-3 673 Sonoma near Healdsburg (headwaters of creek, branch of Russian River and Mill Creek); North Coast Ranges, Wild Hog Ridge, Palmer Creek Comment
  CAS-BOT-BC39109  Arctostaphylos hispidula Walter Knight; Irja Knight; P. V. Wells 1985-12-30 6325 Sonoma Rockpile Road above Lake Sonoma Comment
  RSA339410  Arctostaphylos hispidula Walter Knight, Irja Knight, Stephen W. Edwards 1985-1-27 5172 Sonoma south of Mt. Tom 5.1 miles west on Kelly Road from Rockpile Road junction 609 Comment
  SEINET11993353  Arctostaphylos hispidula Unknown 1984-1 RR 40018 Sonoma Kelly Road (about 5.3 mi NW from intersection with Rockpile Rd) 518 Comment
  UCD59406  Arctostaphylos hispidula Roger Raiche 1984-1-14 RR 40018 Sonoma Kelly Road (about 5.3 miles northwest from its intersection with Rockpile Road). About 1/4 mile off road between Sonoma Lake and Anapolis 518 Comment
  CAS-BOT-BC24405  Arctostaphylos manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4760 Sonoma The Cedars, near Cazadero on Twitchell Ranch. 243 Comment
  JEPS111436  Arctostaphylos manzanita John Gill Lemmon Apr 1888 Sonoma Healdsburg Comment
  RSA633060  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24711 Sonoma Along Calistoga Road, 19 km southwest of Highway 128. 220 Comment
  UCD59187  Arctostaphylos manzanita Roger Raiche 1982-11-20 20860 Sonoma On serpentine of Morrison Ridge. Gilliam Greek watershed. East Austin Creek State Rec. Area. 304 Comment
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Oct 17 2013
  RSA97559  Arctostaphylos manzanita L. S. Rose 1955-2-14 55000 Sonoma Forestville. 23 Comment
  SEINET11990957  Arctostaphylos manzanita Unknown 1983-1 30585 B Sonoma Layton Mine, Austin Creek, The Cedars Comment
  SEINET11990964  Arctostaphylos manzanita Unknown 1983-1 30499 H Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11991011  Arctostaphylos manzanita W. Knight, Knight, I. 1983-1 4699 Sonoma Trinity Grade 300 Comment
  UCD51921  Arctostaphylos manzanita John M. Tucker 1977-6-16 4393 Sonoma On Shurtleff Ranch off Chalk Hill Road to the east; ca. 4 miles (airline) northeast of East Windsor (or ca. 10 miles, airline, north-northwest of Santa Rosa). 121 Comment
  UCD52252  Arctostaphylos manzanita Freed W. Hoffman 1947-3-11 822 Sonoma Duvoul Creek, a branch of Dutch Bill Creek. Comment
  SEINET11995499  Arctostaphylos manzanita subsp. bakeri Unknown 1986-1 60001 Sonoma NE of Healdsburg, Reservoir Hill 122 Comment
  UC674748  Arctostaphylos manzanita subsp. elegans E. A. Goldman 1907-12-29 71 Sonoma Mt. St. Helena 1219 Comment
  UC84708  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1902-9-9 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38921  Arctostaphylos manzanita subsp. glaucescens P. V. Wells; Walter Knight; Irja Knight 1986-1-10 5223 Sonoma Next to Carlton Spridegeon's mailbox on Rockridge Lane, Rincon Ridge, Santa Rosa. Comment
  OBI70632  Arctostaphylos manzanita subsp. glaucescens Larry E. Brown 1997-8-12 20797 Sonoma E of hwy 101 off of village ofAsti S of Cloverdale Comment
  UCD51968  Arctostaphylos manzanita subsp. laevigata D. Sanchez-Mata; Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio; Dutch Bill Creek. 800 Comment
  CAS-BOT-BC38655  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1937-4-11 12906 Sonoma M.S. Baker's place, sw. slope of Mt. Hood Comment
  CAS-BOT-BC38683  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1932-3-18 A 4 Sonoma Rincon Ridge, north of Santa Rosa Comment
  CAS-BOT-BC38705  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4762 Sonoma The Cedars, Twitchell Ranch 243 Comment
  RSA70838  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1931-3-14 5773 Sonoma Vine Hill District Comment
  SBBG28917  Arctostaphylos manzanita subsp. manzanita J. Clausen 1933-3-26 750 Sonoma Baker Ranch, Kenwood, Adobe Cyn Comment
  UC1193143  Arctostaphylos manzanita subsp. manzanita G. W. Tourtillott 1950-5-5 15 Sonoma 1/2 mi e Hale Ranch; Quad 60B3, Sulphur Creek 243 Comment
  UC1388368  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-3-11 822 Sonoma creek is branch of Dutch Bill Creek North Coast Ranges, Duvoul Creek Comment
  CAS-BOT-BC45398  Arctostaphylos nummularia Mary P. Wells 1983-8-3 154 Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch. Comment
  CAS-BOT-BC45399  Arctostaphylos nummularia Mary P. Wells 1985-10-4 675 Sonoma Ca. 1 mi. s. of Gualala River. Comment
  SEINET3164340  Arctostaphylos sonomensis L. S. Rose 1940-2-12 40006 Sonoma Rincon Ridge, 2 mi. e. of Santa Rosa 61 Comment
  CAS-BOT-BC47341  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5777 Sonoma Vine Hill District, 10 mi. w. of Santa Rosa. Comment
  RSA636805  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24756 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  SEINET2028696 Image available Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 Sonoma Rincon Ridge, near Santa Rosa Comment
  UC1043525  Arctostaphylos stanfordiana P. C. Everett and E. K. Balls 1954-10-20 20376 Sonoma 4 mi sw from Lake-Sonoma Co. line (nw to w slopes of Mt. St. Helena) 640 Comment
  UC83857  Arctostaphylos stanfordiana Alice Eastwood 1900-4-22 Sonoma Mt. St. Helena Comment
  UCD160018  Arctostaphylos stanfordiana James A. Neilson Jr. 1975-1-24 s.n. Sonoma Mayacmas Mountains; Dominichelli Ranch # 1. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  UCD162184  Arctostaphylos stanfordiana D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1522 Sonoma Hooker Creek watershed. 520 Comment
  SEINET11984943  Arctostaphylos stanfordiana Unknown 1966-1 692 Sonoma Rincon Ridge, near end of Parker Hill Rd, ca 4 mi N of Santa Rosa Comment
  SD125798  Arctostaphylos stanfordiana subsp. bakeri Lewis S. Rose 1970-2-27 70008 Sonoma Type locality, 2 mi. E of Occidental 185 Comment
  CAS-BOT-BC47303  Arctostaphylos stanfordiana subsp. decumbens Walter Knight; Irja Knight; Dr. Steve Edwards 1985-5-19 6051 Sonoma Chapman Branch of Crane Creek nr. Dorman Canyon., s. of Mt. Bradford, nw x w of Healdsburg. 265 Comment
  JEPS95232  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  JEPS98847  Arctostaphylos stanfordiana subsp. decumbens unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  POM131953  Arctostaphylos stanfordiana subsp. stanfordiana A. A. Heller, H. E. Brown, A. H. Heller 1902-3-27 10650 Sonoma Western base of Mt. Hood. Comment
  RSA201846  Arctostaphylos stanfordiana subsp. stanfordiana Roman Gankin 1966-3-3 687 Sonoma 3.1 miles east of junction with State Highway 12. Comment
  RSA297193  Arctostaphylos stanfordiana subsp. stanfordiana Edward Lee, W. A. Setchell 1936-6-7 2190 Sonoma South ridge fire trail, Bohemian Grove. Comment
  SEINET11990990  Arctostaphylos stanfordiana var. repens W. Knight, Knight, I. 1983-1 4726 Sonoma Tilden Botanic Garden, Berkeley, orig. from Rincon Ridge near Santa Rosa Comment
  SEINET11993703  Arctostaphylos stanfordiana var. repens Unknown 1985-1 50041 Sonoma unnamed ridge W side of Cry Creek Valley, N of Crane Cr & S of Bradford Mt 183 Comment
  SEINET11989677  Arctostaphylos viscida Unknown 1982-1 20656 Sonoma East Austin Creek State Park, nr intersection of Gilliam Creek & Schoolhouse Creek along old mine rd Comment
  UCD59398  Arctostaphylos viscida subsp. pulchella Walter and Irja Knight; Dr. Steve Edwards 1986-4-20 5364 Sonoma Along trail to Sulphur Peak, east of Geyserville. 975 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-BC400483  Aristolochia californica A. A. Heller; H. E. Brown 1902-3-12 5042 Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  SD130420  Aristolochia californica F. Almeda, G. DeNevers 1981-3-30 4875 Sonoma Pepperwood Ranch, along the road to the Garrison Cabin at the southwest sector of the ranch. Comment
  UCD38477  Artemisia californica Beecher Crampton 1955-6-17 2971 Sonoma State Hwy. 1, 3.5 miles south of Fort Ross. Comment
  CAS-BOT-BC90497  Artemisia douglasiana Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5856 Sonoma Llano Road near sewage disposal plant at edge of Laguna de Santa Rosa 45 Comment
  CAS-BOT-BC90863  Artemisia pycnocephala D. E. Breedlove 1961-12-31 1438 Sonoma Sand dunes at mouth of Russian River 3 Comment
  SEINET196505  Artemisia vulgaris J. D. Skoss 1948-7-25 41 Sonoma Sonoma County: Shellville. Comment
  RSA264768  Asclepias fascicularis Peter Rubtzoff 1975-8-15 8322 Sonoma Laguna, Chileno Valley. Comment
  JEPS79502  Aspidotis densa Edward Lee with W. A. Setchell 1936-6-7 2191 Sonoma s ridge fire trail Bohemian Grove Comment
  CAS-BOT-BC164695  Asteraceae Peter Rubtzoff 1966-5-29 5730 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC376327  Asteraceae Greg de Nevers 1994-4-1 10517 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Cresta horse pasture 400 Comment
  CAS-BOT-BC157686  Asteraceae Peter Rubtzoff; Nancy Harrison; Dug Jones 1974-6-8 7576 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  POM253202  Astragalus breweri A. A. Heller, H. E. Brown 1902-4-4 7747 Sonoma Hills east of Santa Rosa Comment
  CAS-BOT-BC180468  Astragalus breweri Milo S. Baker 1932-4-27 5942 Sonoma Calistoga Geysers Comment
  RSA108728  Astragalus claranus R. C. Barneby 1954-5-20 11581 Sonoma 7 miles NE of Santa Rosa near Alpine Scool. 500 Comment
  UC19232  Astragalus gambelianus Michener and Bioletti June 1893 Sonoma Hood's Peak Comment
  CAS-BOT-BC66155  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma northern half of Lower Marsh; Pitkin Marsh near Forestville Comment
  CAS-BOT-BC66157  Athyrium filix-femina var. cyclosorum John H. Thomas 1976-6-16 18291 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UCD136310  Athyrium filix-femina var. cyclosorum Mary M. Hektner 1976-12-15 283 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR248508  Atriplex prostrata Peter Rubtzoff 1958-9-20 3990 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road) 20 Comment
  UC7080  Atriplex triangularis Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  CAS-BOT-BC146137  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa Creek, east of Santa Rosa. Comment
  CHSC79392  Avena barbata Beecher Crampton 1956-3-13 3227 Sonoma Asti. In vineyard and along the road. Comment
  SEINET11690141  Avena barbata J. T. Howell, Knight, W.; Knight, I. 1987-1 6231 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC145729  Avena sativa David L. Morgan 1956-5-17 s.n. Sonoma Watmaugh Road, 0.5 mile west of junction of Arnold Drive. Comment
  RSA783715  Baccharis douglasii Peter Rubtzoff 1955-9-24 2148 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC99587  Baccharis pilularis John H. Thomas 1976-6-17 18354 Sonoma Near northern end of Sea Ranch, northwestern part of Sonoma County, about 4 miles south of Gualala Coastal bluffs Comment
  CDA36850  Baccharis pilularis CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  CAS-BOT-BC99783  Baccharis salicifolia A. A. Heller; H. E. Brown 1902-4-18 5327 Sonoma Near Windsor Comment
  UC581763  Baccharis salicifolia subsp. salicifolia Joseph P. Tracy 1932-5-8 9900 Sonoma Geyserville North Coast Ranges, Russian River 152 Comment
  UCD163789  Barbarea Peter Rubtzoff 1989-3-13 9981 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC16695  Barbarea orthoceras Peter Rubtzoff 1951-6-9 163 Sonoma Pitkin Marsh, near Forestville. Forest south of the Upper Marsh. Comment
  UCD114264  Barbarea orthoceras Frederica Bowcutt; Kate Mawdsley 1996-3-24 2068 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 miles S of Red Mtn, just S of Sonoma Creek. 365 Comment
  CAS-BOT-BC145874  Beckmannia syzigachne John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  SBBG57110  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennet Valley, SE of Santa Rosa Comment
  CDA43436  Bellardia trixago Stephanie Larson 2015-7-21 PDR# 49 UP06191162 Sonoma Near Highway 37. 0 Comment
  CAS-BOT-BC106394  Bellis perennis George Syme 1917-4-25 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC75670  Berberis nervosa John Thomas Howell 1924-3-22 291 Sonoma Camp Meeker. Comment
  RSA227208  Berula erecta Peter Rubtzoff 1954-9-4 1728 Sonoma Bodega Head Marsh. Comment
  JEPS54478  Bidens laevis Rimo Bacigalupi 1967-8-30 9311 Sonoma in central part of upper Pitkin Marsh (just below (s of) confluence of two upper (n) arms, very close to) 45 Comment
  CAS-BOT-BC100256  Blennosperma bakeri John Thomas Howell 1949-4-6 25303 Sonoma Low field sw. of Sonoma Comment
  JEPS37925  Blennosperma bakeri Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8924 Sonoma s of, e of Arnold Dr, .7 mi n of junction of Arnold Dr with State Hwy 37 Sonoma Comment
  JEPS86324  Blennosperma bakeri Jack and Betty Guggolz 1988-2-18 900 Sonoma Kovatch property Comment
  RSA0000974  Blennosperma bakeri Milo S. Baker 1946-3-28 11307 Sonoma Western outskirts of Sonoma. Comment
  RSA0008301  Blennosperma bakeri Milo S. Baker 1952-3-20 12401 Sonoma Western outskirts of Sonoma on 5th St. between Bettencourt and McArthur. Comment
  SEINET4964102  Blennosperma bakeri Unknown 1946-1 Sonoma Comment
  RSA6404  Blennosperma nanum Jens Clausen 1933-3-25 729 Sonoma Between Warfield and Ken Wood, along the highway. Comment
  CAS-BOT-BC154867  Boisduvalia Peter Rubtzoff; Nancy Harrison 1974-6-8 7579 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road Comment
  CAS-BOT-BC154958  Boisduvalia densiflora Peter Rubtzoff 1958-8-23 3920 Sonoma Laguna de Santa Rosa, E of Cunningham (near Llano Road) Comment
  CAS-BOT-BC154875  Boisduvalia densiflora Peter Rubtzoff 1969-7-25 6121 Sonoma 6.5 miles NE of Penngrove on Lichan Road 426 Comment
  SEINET12194245  Boisduvalia densiflora W. Knigh, Knight, I. 1984-1 5235 Sonoma 5.9 mi up Cavedale Rd Comment
  CAS-BOT-BC75483  Bolboschoenus glaucus Mary P. Wells 1987-5-20 s.n. Sonoma 0.6 mile north of Gravenstein Highway on Llano Road - under bridge. Comment
  UC1100890  Bolboschoenus maritimus Herbert L. Mason and Verne Grant 1946-8-28 13076 B Sonoma Mouth of Tolay Creek. Comment
  CAS-BOT-BC31363  Bolboschoenus maritimus Gregory Clark de Nevers; S. Castagnoli 1981-8-2 1791 Sonoma On sand bar in Mark West Creek, at confluence with Leslie Creek. Comment
  UC1100889  Bolboschoenus robustus Verne Grant, Herbert L. Mason 1946-8-28 13077 Sonoma Mouth of Tolay Creek Comment
  CAS-BOT-BC31354  Bolboschoenus robustus Walter Knight; Irja Knight 1963-9-29 235 Sonoma Along Lakeville Highway under freeway overpass in salt water. Petaluma. Comment
  UCR255646  Boykinia elata Greg de Nevers 1997-9-22 11090 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  UC420422  Boykinia occidentalis Milo S. Baker 1898-1 Sonoma Santa Rosa Canyon Comment
  CAS-BOT-BC145444  Brachypodium distachyon G. DeNevers 1981-5-15 1188 Sonoma Pepperwood Ranch. On the ridge above Hansel's Lake, in a roadcut. Comment
  SEINET259062 Image available Brachypodium phoenicoides P. G. Connors 1991-6-5 128 Sonoma Sonoma Coast State Beach; North of Bodega Bay in Salmon Creek Dunes; within State Park boundary. Comment
  CAS-BOT-BC100472  Brickellia californica H. E. McMinn 1922-6-7 187 Sonoma near Cosmo by Russian River Comment
  UC1010999  Briza maxima Virginia Bufford 1935-5-31 70 Sonoma Green Valley School Comment
  CAS-BOT-BC145288  Briza minor Peter Rubtzoff 1951-6-9 154 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC145298  Briza minor L. Beane; Lois E. James 1949-5-16 1946 Sonoma About 3 miles south of Healdsburg. Comment
  POM204032  Briza minor J. T. Howell 1934-3-25 367 Sonoma Petaluma Comment
  POM205306  Briza minor A. S. Hitchcock 1902-6-7 5649 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  UCD57431  Briza minor Hursh 1919-5-12 X 3251 Sonoma Santa Rosa. Comment
  CAS-BOT-BC474558  Brodiaea coronaria Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1 43 Comment
  JEPS7642  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-23 7660 Sonoma Petrified Forest Comment
  JEPS86359  Brodiaea elegans subsp. elegans Jack and Betty Guggolz 1988-6-13 948 Sonoma n side Pine Flat Road (7.9 mi from junction Pine Flat Road with Highway 128) Comment
  CAS-BOT-BC484400  Brodiaea elegans subsp. elegans Peter Rubtzoff 1958-7-5 3731 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC486533  Brodiaea elegans subsp. elegans Lewis S. Rose 1940-5-22 40363 Sonoma Sonoma 30 Comment
  CAS-BOT-BC486522  Brodiaea stellaris Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UC3336  Brodiaea terrestris subsp. terrestris Harley P. Chandler 1900-5-25 672 Sonoma Bodega Comment
  CAS-BOT-BC486464  Brodiaea terrestris subsp. terrestris Rimo Bacigalupi 1926-3-27 1251 Sonoma Meadow opposite Myrtle dale gyser 11/2 miles north of Calistoga Comment
  CAS-BOT-BC487726  Brodiaea terrestris subsp. terrestris Milo S. Baker 1927-5-20 2148 a Sonoma S. R. Sebasapol Hiway where concrete begins - [- - - -] south (poor handwriting) Comment
  CAS-BOT-BC144149  Bromus Rimo Bacigalupi 1926-5-2 1391 Sonoma Cazadero. Comment
  SEINET11675368  Bromus carinatus F. W. Hoffman 1943-1 2054 Sonoma Geyser Peak road to Geysers, North Coast Ranges 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-BC149087  Bromus carinatus var. carinatus Peter H. Raven 1950-4-6 1591 Sonoma Santa Rosa to Rincon Ridge. 106 Comment
  CAS-BOT-BC149097  Bromus carinatus var. carinatus John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53991 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  SEINET249950 Image available Bromus carinatus var. carinatus Beecher Crampton 1955-6-8 2831 Sonoma At Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  UC573764  Bromus carinatus var. carinatus H. S. Yates 1937-5-30 6556 Sonoma 2 mi nw of Freestone 91 Comment
  UCD59229  Bromus carinatus var. marginatus Collector unknown 1941-3-1 Sonoma Santa Rosa Junior College. Comment
  CAS-BOT-BC155897  Bromus catharticus var. elatus John Thomas Howell 1959-10-8 35097 Sonoma Near Hilton. On Russian River. Comment
  UCD58439  Bromus commutatus B. Crampton 1955-6-17 2959 Sonoma 4.5 miles east of Fort Ross. Comment
  UCD58474  Bromus commutatus B. Crampton 1955-5-8 2820 Sonoma Hwy. 128. Alexander Valley. Comment
  CAS-BOT-BC155202  Bromus hordeaceus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC311801  Bromus hordeaceus Peter Rubtzoff 1958-7-5 3732 Sonoma Atascadero Creek Marsh. Comment
  RSA785738  Bromus hordeaceus Carrie A. Herd 1982-4-25 117 Sonoma Rohnert park. California State University, Sonoma, Open field between down parking lo and bicycle path. Comment
  UCD58769  Bromus hordeaceus Beecher Crampton 1956-4-24 3309 Sonoma Healdsburg. Prince and Sherman Sts. Comment
  SBBG22696  Bromus laevipes M. S. Walters 1960-6-18 Sonoma St Hwy 12, ca. 1.5 mi E of Russian River Bridge at Guerneville Comment
  UCD36537  Bromus madritensis subsp. madritensis Beecher Crampton 1954-4-26 1794 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  RSA126879  Bromus marginatus H. S. Yates 1937-5-31 6566 Sonoma 1 1/2 miles northeast of Petrified Forest. 335 Comment
  CAS-BOT-BC162256  Bromus maritimus Peter H. Raven 1963-4-28 18249 Sonoma Between town of Bodega Bay and Bodega Head. Comment
  UCD95022  Bromus rubens Freed W. Hoffman 1942-5-3 2249 Sonoma North Coast Ranges. Oregon Canyon near Camp Meeker. Comment
  RSA792287  Cakile maritima Peter Rubtzoff 1955-8-20 2078 Sonoma Bodega Harbor Marsh. Comment
  UCR254896  Calamagrostis Peter Rubtzoff 1971-6-10 6537 Sonoma Pitkin Marsh, near Forestville 38 Comment
  SEINET10843394  Calamagrostis P. Rubtzoff 1967-8-22 Rubtzoff 5856 Sonoma SE of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC185409  Calamagrostis bolanderi Mary P. Wells 1983-8-3 155 Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch. Comment
  UCD57039  Calamagrostis bolanderi Freed W. Hoffman 1941-6-15 2157 Sonoma North Coast Ranges, Sonoma Coast, Eckert's Ranch near Salt Point. Comment
  UC1023583  Calamagrostis koelerioides unknown 1936-5-4 208 Sonoma Monte Rio Comment
  CAS-BOT-BC185126  Calamagrostis nutkaensis Peter Rubtzoff 1962-8-22 5046 Sonoma Bodega Bay Marsh. Comment
  UCD57533  Calamagrostis ophitidis Freed W. Hoffman 1941-6-1 2185 Sonoma North Coast Ranges, Oregon Canyon. Comment
  CAS-BOT-BC438613  Calandrinia ciliata Walter Knight; Irja Knight 1963-8-13 168 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC438607  Calandrinia ciliata Peter Rubtzoff 1952-3-23 885 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west. Comment
  UC1300960  Calandrinia ciliata H. L. Mason 1963-2-24 Sonoma orchard of H. L. Mason Ranch Kenwood Comment
  CDA6850  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma Just east of Sonoma. 0 Comment
  CAS-BOT-BC273247  Calendula arvensis John Thomas Howell 1959-5-7 34593 Sonoma Fetters Springs Comment
  RSA90503  Callitriche heterophylla subsp. bolanderi Leo Koch 1939-5-15 630 Sonoma Hamilt(a)on Ranch. 1 mile from Old Adobe. East of Petaluma. Comment
  UC17873  Callitriche heterophylla var. bolanderi F. T. Bioletti Apr 1893 Sonoma Kenwood Comment
  CAS-BOT-BC293756  Callitriche palustris Peter Rubtzoff 1969-5-3 6027 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  SD56795  Calochortus amabilis Darley F. Howe 1963-5-23 Sonoma 3.8 miles north of Cloverdale, on #128. 334 Comment
  UC119765  Calochortus amabilis Michener and Bioletti May 1893 Sonoma Los Guilicos Comment
  UC13850  Calochortus amabilis W. C. Blasdale Apr 1894 Sonoma Cazadero Comment
  UC535002  Calochortus amabilis H. E. and S. T. Parks 1930-5-9 605 Sonoma Alexander Valley edge Alexander Valley Comment
  CAS-BOT-BC483271  Calochortus amabilis Alva Day 1982-6-1 82 -69 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC483286  Calochortus amabilis D. E. Breedlove 1980-6-27 44757 Sonoma Pepper wood Ranch west of Knights Valley Comment
  SEINET8194287  Calochortus amabilis W. Roderick 1967-5-20 s.n. Sonoma Ida Clayton Road, NW side of Mount St. Helena. 305 Comment
  JEPS61685  Calochortus luteus W. L. Jepson 1918-6-23 7656 Sonoma Windsor Poor Man's Flat Comment
  UCD167963  Calochortus luteus James Neilson 1977-6-12 3918 Sonoma Mayacmas Mountains, McMicking Ranch. (McMicking Ranch is also known as Santa Angelina Ranch. Exact location unknown. Coordinates estimated by label maker.) Comment
  UCSB636  Calochortus pulchellus Keator, Glenn 1959-4-2 Sonoma 0.9 miles east on Cavedale road and 2.0 miles northeast of Agua Caliente Comment
  CAS-BOT-BC132250  Calochortus raichei R. Raiche 1986-7-29 60282 Sonoma North of Cazadero, The Cedars, Red Slide Creek (central branch) 390 Comment
  UC72482  Calochortus tolmiei Milo S. Baker 1898-4-5 5 Sonoma Coast Road Comment
  CAS-BOT-BC132636  Calochortus uniflorus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC132641  Calochortus uniflorus Catherine Best 1981-4-4 s.n. Sonoma Todd Rd. 3 miles east of Sebastopol Comment
  UC672143  Calochortus uniflorus A. E. Borell 1928-4-13 148 Sonoma Petaluma Comment
  CAS-BOT-BC132640  Calochortus uniflorus Mrs. H. C. Cantelow 1939-4-8 s.n. Sonoma South of Shellville Comment
  UC762559  Calycadenia multiglandulosa R. F. Hoover 1938-6-14 3610 Sonoma 3 mi w, on road to Occidental Graton Comment
  CAS-BOT-BC270842  Calycadenia pauciflora Gerald D. Carr 1971-8-17 640 Sonoma The Geysers 487 Comment
  UCD129847  Calycadenia pauciflora Gerald D. Carr 1972-9-11 731 Sonoma 1.0 mile west of Westside Road on Mill Creek Road, 2.5 miles southwest of Healdsburg. 106 Comment
  UC89043  Calycadenia truncata Katharine Brandegee 1892-8-1 Sonoma Petrified Forest Comment
  JEPS40306  Calycanthus occidentalis M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma near Guerneville (Russian River); Russian River Comment
  OBI49312  Calycanthus occidentalis Michener & Bioletti, Bioletti Jun 1893 s.n. Sonoma Hoods Peak Comment
  RSA456158  Calycanthus occidentalis Christopher Davidson 1977-6-17 5883 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  UCD137794  Calycanthus occidentalis Frederica Bowcutt 1994-5-1 1764 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles N of Kenwood. In Adobe Canyon along Sonoma Creek just east of confluence with Bear Creek, near bridge over Sonoma Creek. Godspeed trail about 30 yards from trailhead. 198 Comment
  POM97738  Calycanthus occidentalis Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  UCD138891  Calypso bulbosa var. occidentalis J. M. Tucker 1957-4-14 3291 Sonoma around 1/2 mile south of Highway 12, around 4 miles southeast of Guerneville. Comment
  UCD160965  Calyptridium umbellatum James A. Neilson Jr. 1975-7-8 3377 Sonoma Mayacmas Mountains. Near U.S. Geothermal 2, 1/2 mile south of Socrates Mine Road. (Elevation and coordinates estimated by label maker.) 914 Comment
  CAS-BOT-BC292508  Calystegia R. K. Brummitt; T. F. Daniel 1997-5-31 19615 Sonoma 10 km NE of Santa Rosa, Pepperwood Ranch Natural Preserve, near Bechtel Cabin. 300 Comment
  CAS-BOT-BC215788  Calystegia macrostegia subsp. intermedia Greg de Nevers 1993-5-30 10458 Sonoma 3450 Franz Valley Road, Pepperwood Ranch Natural Preserve 457 Comment
  CAS-BOT-BC224737  Calystegia purpurata subsp. saxicola Alice Eastwood 1915-6-29 4861 Sonoma Bodega Point Comment
  SBBG21139  Camissoniopsis cheiranthifolia subsp. cheiranthifolia V. Haraden 1941-7-13 1 Sonoma Bodega Bay 30 Comment
  JEPS41065  Campanula angustiflora Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9112 Sonoma along road to Franz Valley School road (between 1 and 1.25 mi due w of Sonoma-Napa counties line) 219 Comment
  UC903745  Campanula angustiflora Milo S. Baker 1947-5-8 11756 Sonoma at top Rose Butte; Hood Mt. 243 Comment
  SEINET10840067  Campanula californica Sutcliffe 1920-7-18 SUTCLIFFE s.n. Sonoma Annapolis Comment
  CAS-BOT-BC37750  Cardamine californica R. H. Thompson 1880-4-1 s.n. Sonoma Healdsburg. Comment
  CAS-BOT-BC37763  Cardamine californica Alice Eastwood 1921-4-24 10387 Sonoma Santa Rosa. Comment
  JEPS128337  Cardamine californica Roger Raiche 2010-2-28 008 .10 Sonoma The Cedars. Gateway parcel. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC37772  Cardamine californica Mrs. H. C. Cantelow 1937-3-25 s.n. Sonoma Near Valley Ford. Comment
  RSA63681  Cardamine californica var. integrifolia Milo S. Baker 1950-4-1 12155 Sonoma West side of Los Guilicos Val[ley] near old R.R. tracks. Comment
  UC1299649  Cardamine californica var. sinuata Freed W. Hoffman 1947-3-6 813 Sonoma Gilliam Creek North Coast Ranges, Gilliam Creek Comment
  CDA16135  Cardamine hirsuta G. F. Hrusa 1999-2-26 14925 Sonoma North Coast Ranges; Foote Ranch, NW base of Mt. St. Helena, near corner of Hwy 128 and Ida Clayton Rd. 152 Comment
  UCD169979  Cardamine oligosperma G. F. Hrusa 1999-2-26 14925 Sonoma Foote Ranch, NW base of Mt. St. Helena, near corner of Hwy 128 and Ida Clayton Rd. 152 Comment
  RSA790301  Carduus pycnocephalus Peter Rubtzoff 1962-6-1 4874 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC281770  Carduus pycnocephalus Gordon H. True 1968-7-5 4668 Sonoma Point Reyes Bird Observatory ca 3 miles NW of Bolinas at Arroyo Hondo. Conium plot between Arroyo Hondo and entrance road 60 Comment
  CAS-BOT-BC281771  Carduus pycnocephalus Roxana S. Ferris; Laura Lorraine 1948-6-9 11658 Sonoma Franz Valley Rd about 0.75 mile from Mark West Rd Comment
  CDA19871  Carduus pycnocephalus P. Lane 2002-5-14 PDR P 092606 Sonoma North Coast Ranges; King St in Petaluma. 0 Comment
  CDA37138  Carduus tenuiflorus Chris Heintzelman 2012-4-13 PDR# 1596520 Sonoma East side of Sunset Rock in Goat Rock State Park, 2 miles south of Jenner. 0 Comment
  UCD161772  Carex James A Neilson Jr. 1976-5-10 s.n. Sonoma Mayacmas Mountains. Aidlin-Gouvea Leasehold. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR254740  Carex abrupta Peter Rubtzoff 1954-6-7 1482 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC334523  Carex abrupta Peter Rubtzoff 1957-5-4 3307 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC344827  Carex abrupta Peter Rubtzoff 1960-5-20 4394 Sonoma Laguna de Santa Rosa east of Graton, between Occidentalis and Guerneville roads. Comment
  SEINET14443037  Carex albida Unknown Sonoma Comment
  UCD112447  Carex athrostachya Peter Rubtzoff 1958-5-17 3667 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  UCR249338  Carex barbarae Peter Rubtzoff 1953-5-16 1360 Sonoma Vacation Beach, near Guerneville, along Russian River 3 Comment
  HSC101105  Carex barbarae Peter Warner 2011-6-1 211 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Springs Rd. at Mark West Lodge); on E bank of Mark West Creek, about 150 m NNE of Pelm house. 211 Comment
  SEINET7552671 Image available Carex brevicaulis John Thomas Howell 1955-6-2 30258 Sonoma Near Vine Hill school Comment
  RSA0034193  Carex cusickii Peter Rubtzoff 1958-5-17 3678 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  UCR248865  Carex cusickii Peter Rubtzoff 1958-5-17 3678 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  CAS-BOT-BC20501  Carex densa Peter Rubtzoff 1974-6-2 7509 Sonoma Sonoma County Marshes. Upper Green Valley Marsh. Comment
  CAS-BOT-BC246547  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Stony Point Marsh Comment
  UCR258147  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Stony Point Marsh 72 Comment
  CAS-BOT-BC18975  Carex densa Alice Eastwood; John Thomas Howell 1936-5-19 2500 A Sonoma Fulton. Comment
  CAS-BOT-BC20480  Carex densa Alice Eastwood; John Thomas Howell 1936-5-19 2500 Sonoma North limits of Santa Rosa. Comment
  CAS-BOT-BC20518  Carex densa John Thomas Howell 1943-5-10 17991 Sonoma 1.75 mile N of Windsor. Comment
  CAS-BOT-BC20519  Carex densa G. DeNevers; J. Shumate 1981-7-25 1862 Sonoma Pepperwood Ranch. West of 3 Tree Hill. Comment
  UCSC000112  Carex dudleyi Coll. Klimansky 1934-4-30 s.n. Sonoma Llano road Comment
  RSA94279  Carex dudleyi Peter Rubtzoff 1951-6-16 245 Sonoma N half of lower Pitkin Marsh, SE of Forestville Comment
  UCR250396  Carex exsiccata Peter Rubtzoff 1954-8-2 1622 Sonoma Duncan Mills Marsh, upper portion of marsh 2 Comment
  CAS-BOT-BC290553  Carex exsiccata Peter Rubtzoff 1958-5-17 3668 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  SEINET10652787  Carex festiva Henry N. Bolander Bolander 3868 Sonoma Meadow on Russian River. Comment
  SEINET10921611  Carex festiva Henry N. Bolander Bolander 3814 Sonoma Meadow near Mark West Creek, Comment
  CAS-BOT-BC20135  Carex feta Peter Rubtzoff 1961-6-17 4619 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC20137  Carex feta Peter Rubtzoff 1952-1-1 1093 Sonoma Pitkin Marhses near Forestville. Eastern Branch of the Upper Marsh. Comment
  CAS-BOT-BC20445  Carex globosa G. DeNevers 1981-4-4 661 Sonoma Pepperwood Ranch. High in 1st Canyon S of Pepperwood-Pippindale Gate on W side of Creek. Comment
  CAS-BOT-BC28373  Carex gracilior John Thomas Howell 1938-7-3 13966 Sonoma Pitkin Marsh. Comment
  UCD112358  Carex gracilior Peter Rubtzoff 1958-5-10 3635 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UC767098  Carex gynodynama Robert F. Hoover 1941-5-14 5080 Sonoma Three miles south of Monte Rio on road to Camp Meeker. Comment
  CAS-BOT-BC21899  Carex harfordii John Thomas Howell 1945-5-30 20890 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC21901  Carex harfordii J. W. Congdon 1880-5-12 s.n. Sonoma Petaluma. Comment
  CAS-BOT-BC419694  Carex hassei Peter Rubtzoff 1962-5-11 4819 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC311814  Carex hendersonii Peter Rubtzoff 1955-5-14 1855 Sonoma Duncans Mills Marsh. Comment
  UCR249356  Carex hendersonii Peter Rubtzoff 1957-6-28 3387 Sonoma Duncan Mills Marsh 2 Comment
  CAS-BOT-BC31430  Carex leptopoda Peter Rubtzoff 1951-6-9 164 Sonoma Pitkin Marsh, near Forestville. Forest S of the Upper Marsh. Comment
  CAS-BOT-BC322116  Carex leptopoda Peter Rubtzoff 1955-5-14 1841 Sonoma Austin Creek Marsh. Comment
  RSA169300  Carex leptopoda L. S. Rose 1964-6-3 64051 Sonoma N end of Bodega Bay. 2 Comment
  CAS-BOT-BC119314  Carex obnupta Peter Rubtzoff 1951-8-4 582 Sonoma Pitkin Marsh, near Forestville. S of the Upper Marsh. Comment
  POM81475  Carex obnupta Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  CAS-BOT-BC119280  Carex ovalis Peter Rubtzoff 1951-7-7 378 Sonoma Pitkin Marsh, near Forestville. Eastern Branch of the Upper Marsh. Comment
  CAS-BOT-BC119281  Carex ovalis Peter Rubtzoff 1952-5-10 1001 Sonoma Pitkin Marsh, near Forestville. Western Branch of the Upper Marsh. Comment
  CAS-BOT-BC119290  Carex ovalis John Thomas Howell 1947-6-26 23240 Sonoma Cunningham Marsh. Comment
  SEINET7570933 Image available Carex pellita John Thomas Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin 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
  UCR248926  Carex serratodens Peter Rubtzoff 1957-5-11 3341 Sonoma Occidental Marsh Comment
  CAS-BOT-BC117675  Carex serratodens Gregory Clark de Nevers 1982-2-27 1922 Sonoma Pepperwood Ranch, near the barn at Pepperwood. 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
  UC1133459  Carex stipata var. stipata H. S. Yates 1936-5-16 5604 Sonoma 2 mi se Forestville (Pitkin Marsh); Sebastopol Quadrangle Comment
  CAS-BOT-BC312703  Carex subbracteata Peter Rubtzoff 1955-5-14 1845 Sonoma Duncans Mills Marsh area above the marsh, along a western tributary of Orrs Creek. Comment
  RSA0022361  Carex subbracteata Peter Rubtzoff 1962-6-1 4868 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC116787  Carex subbracteata var. subbracteata Catherine Best 1985-5-15 1086 Sonoma Bodega Head. Comment
  CAS-BOT-BC115830  Carex subfusca Peter Rubtzoff 1960-5-16 4346 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC115831  Carex subfusca Peter Rubtzoff 1954-7-5 1537 Sonoma Guerneville Marsh. Comment
  UCD140916  Carex subfusca Peter Rubtzoff 1954-7-5 1537 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC115532  Carex tumulicola John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells 1982-4-28 54675 Sonoma Bouverie Audubon Preserve, ca 1.5 mi E of Glen Ellen near Stuart Creek. 137 Comment
  CDA36813  Carthamus creticus D. B. Joley, W. J. Ferlatte 1976-1 24 Sonoma Petaluma Hill Rd. 0 Comment
  CDA33583  Carthamus lanatus Robin Breckenridge & Andrew Smith 2010-7-21 PDR# 1313484 Sonoma Calistoga: La Franchi Ranch, Highway 128. 0 Comment
  CAS-BOT-BC281914  Carthamus lanatus Peter Rubtzoff 1969-7-5 6110 Sonoma Ca 5 miles NE of Penngrove, on Lichen Rd Comment
  CDA36976  Carthamus leucocaulos J. H. Shelgren 1976-5-7 16 Sonoma Vicinity of Asti. 0 Comment
  CDA7004  Carthamus leucocaulos T. C. Fuller 1970-5-4 19484 Sonoma 2 miles west of the overpass, Highway 101, Asti. 0 Comment
  POM179718  Castilleja ambigua subsp. ambigua J. T. Howell 1930-6-8 5293 Sonoma 4 miles north of Bodega Bay. Comment
  RSA516604  Castilleja applegatei subsp. martinii R. C. Bacigalupi, G. Thomas Robbins, Freed W. Hoffman 1956-5-30 5667 Sonoma Headwaters of Big Austin Creek, vicinity of 'The Cedars', near Layton Chromite mine. 267 Comment
  UC1238988  Castilleja applegatei subsp. martinii Freed W. Hoffman 1947-5-30 515 Sonoma Layton Mine North Coast Ranges, Austin Creek (Austin Creek) Comment
  CAS-BOT-BC243858  Castilleja latifolia John Thomas Howell 1930-7-27 5412 Sonoma 4 miles north of Bodega Bay Comment
  RSA92796  Castilleja latifolia Joanne Taylor 1941-7-13 7 Sonoma Bodega Head 30 Comment
  CHSC1708  Castilleja subinclusa subsp. franciscana 1947-3-31 Sonoma Bodega. 60 Comment
  JEPS60452  Castilleja subinclusa subsp. franciscana T. I. Chuang and F. M. Chuang 1969-4-29 6690 Sonoma s side Russian River (on Highway 1) Comment
  JEPS26117  Castilleja wightii Peter H. Raven, R. Snow 1958-7-23 13688 Sonoma 2.6 mi n Jenner Comment
  JEPS8512  Castilleja wightii W. L. Jepson 1931-7-19 15956 Sonoma bluffs at Scott Creek Comment
  UC1341743  Castilleja wightii Noel H. Holmgren and James L. Reveal 1966-6-6 2647 Sonoma just n Ocean View Comment
  UC1341744  Castilleja wightii Noel H. Holmgren and James L. Reveal 1966-6-6 2649 Sonoma 3.5 mi n Bodega Bay (Calif Hwy 1, Coleman Beach); Sonoma Coast, Coleman Beach Comment
  UCSB5988  Castilleja wightii Keator, Glenn 1958-6-17 Sonoma Near the northern end of Tomales Bay Comment
  HSC10890  Catapodium rigidum Leo Koch 1940-5-19 964 Sonoma 349 Second Ave., Santa Rosa Comment
  RSA21893  Ceanothus confusus J. T. Howell 1935-5-5 12621 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  RSA21909  Ceanothus confusus J. T. Howell 1937-4-11 12908 Sonoma Sonoma Creek Canyon at M S Baker's. Comment
  SBBG122268  Ceanothus confusus D. O. Burge 2007-4-10 833 b Sonoma Goodspeed Trail, near jct of Bear Crk and Sonoma Crk, SE flank of Mount Hood 200 Comment
  UC728663  Ceanothus confusus Milo S. Baker 1939-3-20 9244 Sonoma about 4 mi N of Santa Rosa (top of hill on road past County Hospital, near type locality) Comment
  SEINET12210842  Ceanothus confusus W. Knight, Knight, I. 1982-1 4491 Sonoma Tilden Botanic Garden, Berkeley. Orig coll. on rincon Ridge. Decumbent to 12" high Comment
  UCD111373  Ceanothus confusus Roger Raiche 1985-11-28 RR 50897 Sonoma W of Cloverdale, Red Mt. between Hot Springs Road and Cherry Creek Road. 377 Comment
  UCD111374  Ceanothus confusus L. Whitney Date unknown s.n. Sonoma University Hill. Comment
  CDA12819  Ceanothus cuneatus G. F. Hrusa, R. Gross 1996-3-8 12653 Sonoma North Coast Biodiversity Arena; Immediately NW of Chalk Hill. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  RSA3948  Ceanothus cuneatus I. L. Wiggins 1932-3-12 5766 Sonoma Between Franz Valley and Knight's Valley. Comment
  JEPS128184  Ceanothus cuneatus var. ramulosus Roger Raiche 2001-3-17 006 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SBBG119966  Ceanothus divergens A. Howald 2007-4-2 2458 Sonoma Peirson Rd, ca. 0.6 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 275 Comment
  UCD112120  Ceanothus divergens G. F. Hrusa 1995-4-2 12040 Sonoma along Franz Valley School Road, approximately 1 mile NW of Napa/Sonoma county line. 250 Comment
  SEINET12210805  Ceanothus divergens W. Knight, Knight, I. 1983-1 4663 Sonoma Tilden Botanic Garden, Berkeley. Orig coll. from Franz Valley School Rd Comment
  CAS-BOT-BC361295  Ceanothus foliosus Greg de Nevers 1994-3-18 10515 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa, near Weimar Pond 457 Comment
  UC18295  Ceanothus foliosus W. H. Brewer 1862-4-18 984 Sonoma near Sonoma Comment
  UC33653  Ceanothus foliosus F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  UC579345  Ceanothus foliosus C. M. Belshaw 1936-3-7 1569 Sonoma Vine Hill Sebastopol quad. Comment
  UCD160879  Ceanothus foliosus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3283 Sonoma Mayacmas Mountains, ca. 1/4 mile south of Caldwell Pines, ca. 3 1/2 miles west of Whispering Pines, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SEINET12211127  Ceanothus foliosus W. Knight, Knight, I. 1986-1 2317 Sonoma Along trail to summit of Geyser Peak. Access from Healdsburg-Geysers Road 853 Comment
  SEINET13945878 Image available Ceanothus foliosus A. A. Heller, H. E. Brown 1902-1 5619 Sonoma Mt. Hood Comment
  JEPS128180  Ceanothus foliosus var. foliosus Roger Raiche 2001-5-17 021 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UCD112581  Ceanothus foliosus var. foliosus Christopher Mallek 2008-5-2 s.n. Sonoma Hooker Canyon. 590 Comment
  UC1084442  Ceanothus foliosus var. vineatus G. Thomas Robbins 1940-3-22 302 Sonoma ca. 8.5 mi. w. Santa Rosa (along Guerneville rd., Vine Hill region); Vine Hill region Comment
  UC727740  Ceanothus foliosus var. vineatus Milo S. Baker 1946-4-29 11355 Sonoma along College Ave. Hwy. Vine Hill Region Comment
  OBI10528  Ceanothus foliosus var. vineatus H. E. McMinn 1941-4-26 5320 Sonoma Nine mi S of Guerneville Comment
  SD42465  Ceanothus gloriosus var. exaltatus Carl B. Wolf 1941-7-30 11108 Sonoma Along coast, 8I(c) mi. S. Stewarts Poimt at entrance to Salt Point Ranch 29 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-BC63735  Ceanothus griseus Dorothy Scherer 1996-3-16 002 Sonoma Winderemere Point, Fort Ross State Historic Park. 24 Comment
  RSA63688  Ceanothus incanus Howard N. Jensen 1942-4-29 27 Sonoma SW corner science bldg on Santa Rosa Junior College Campus Comment
  CAS-BOT-BC50955  Ceanothus integerrimus Maxine Wilkes 1933-6-1 s.n. Sonoma Mts near Cloverdale Comment
  RSA1120  Ceanothus integerrimus var. californicus B. D. Stark, H. E. McMinn 1929-7-22 1380 Sonoma Sonoma-Mendocino County line. Comment
  CAS-BOT-BC50720  Ceanothus integerrimus var. macrothyrsus Helen D. Geis 1902-1-1 s.n. Sonoma unspecified Comment
  UCD101294  Ceanothus jepsonii Daniel Sanchez-Mata; Tomas Santamaria 2008-7-13 s.n. Sonoma Healdsburg. Pine Flat Road from Road 128. Red Hill. Audubon Sanctuary. 400 Comment
  UCD112069  Ceanothus jepsonii D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. 800 Comment
  UCD123963  Ceanothus jepsonii D. O. Burge and K. B. Schroeder 2008-3-7 979 c Sonoma Ridge NW of Duvoul Creek, near confluence with Dutch Bill Creek, roadside on Bohemian Highway, between Camp Meeker and Monte Rio, 7.6 road miles (12.2 km) north of intersection with SR 12, near BM 136, 2.97 km 320 deg. (True) NNW of Camp Meeker. 50 Comment
  CAS-BOT-BC51130  Ceanothus jepsonii var. albiflorus Roger Raiche 1985-4-6 RR 50182 Sonoma Dry Cr area nr Healdsburg, ridge W of Dry Cr Val, unnamed rd N of Dorman Cyn on ridge 243 Comment
  SEINET12211280  Ceanothus jepsonii var. albiflorus W. Knight, Schmidt, C. 1987-1 6060 Sonoma Bradford Mt. Road near Dorman Campon, W of Healdsburg 168 Comment
  CAS-BOT-BC63517  Ceanothus oliganthus var. sorediatus Wayne Roderick 1961-4-2 s.n. Sonoma NW. of Sea View (half way between Sea View and Fort Ross school). Comment
  CAS-BOT-BC51881  Ceanothus parryi Tom Craig 1941-6-18 s.n. Sonoma Trinity Road, west slope, between Glen Ellen and Rutherford Comment
  RSA122368  Ceanothus parryi H. S. Yates 1934-4-21 5371 Sonoma near Guerneville 91 Comment
  SJSU14042  Ceanothus parryi C. L. Schmidt 1986-4-11 1109 Sonoma Trinity Rd, 1.5 mi E of Hwy 12 198 Comment
  UC1299536  Ceanothus parryi Freed W. Hoffman Apr 1948 2751 Sonoma Poole Ridge, neat Guerneville Comment
  CAS-BOT-BC53217  Ceanothus parryi Henry Trost 1927-4-1 s.n. Sonoma Fetters Springs Comment
  RSA25703  Ceanothus parryi Carl B. Wolf 1941-7-17 11020 Sonoma N coast Range, Trinity Mt, 2 miles E of Hwy and12 (Sonoma to Santa Rosa) 457 Comment
  CAS-BOT-BC32656  Ceanothus sonomensis John Thomas Howell 1933-4-1 10930 Sonoma Slopes of Trinity Mt., 2 miles NE of Glen Ellen Comment
  CAS-BOT-BC53002  Ceanothus sonomensis John Thomas Howell 1937-4-11 12905 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC53035  Ceanothus sonomensis John Thomas Howell 1933-4-1 10930 Sonoma Slopes of Triniti Mt., 2 miles ne. of Glen Ellen Comment
  CAS-BOT-BC53049  Ceanothus sonomensis Michener; Bioletti 1893-3-1 s.n. Sonoma Hoods Peak Comment
  UC1070786  Ceanothus sonomensis C. M. Belshaw 1936-3-8 1581 Sonoma 3.4 mi. n. Annadel (n.w. of Kenwood); Santa Rosa Quad. Comment
  UCD112702  Ceanothus sonomensis Roman Gankin 1966-3-3 690 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road, 3.1 miles east of junction with State Highway 12. Comment
  UCD123964  Ceanothus sonomensis D. O. Burge 2008-5-25 991 e Sonoma Mayacamas Mountains, western slope of Hooker Canyon, at the residence of Marc Schwager and Allison Ash, Elarra Reserve, 3200 Cavedale Road, 4.50 km 92 deg. ESE of Glen Ellen. 500 Comment
  CAS-BOT-BC53048  Ceanothus sonomensis Michener; Bioletti 1892-5-1 s.n. Sonoma Hoods Peak Comment
  UC58242  Ceanothus thyrsiflorus var. griseus A. A. Heller 1903-4-23 6606 Sonoma Fort Ross. Comment
  HSC100876  Ceanothus velutinus Peter Warner 2011-6-16 215 Sonoma Jenner Headlands property, northeastern area, on ridge between Jenner Gulch and Kidd Creek watersheds, ~ 200 m fr. boundary with E&P Ranch 470 Comment
  CAS-BOT-BC282018  Centaurea calcitrapa Walter & Irja Knight 1963-10-25 393 Sonoma San Antonio Rd and US101 freeway Comment
  CAS-BOT-BC272113  Centaurea cyanus L. H. Huffins 1922-6-1 s.n. Sonoma Petaluma Comment
  CDA20599  Centaurea maculosa S. Ostrom 2005-10-2 PDR 1351698 Sonoma North Coast; Hwy 101 S center divide at College Ave exit. 0 Comment
  CAS-BOT-BC277161  Centaurea melitensis Peter Rubtzoff 1952-6-10 1220 Sonoma Northeast and east slope of Fitch Mtn., near Healdsburg Comment
  UCD130036  Centaurea melitensis Frederica Bowcutt 1994-6-24 1891 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles E of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/4 way from Bald Mountain Trail to Headwaters Trail. 554 Comment
  CAS-BOT-BC277255  Centaurea solstitialis G. DeNevers 1981-6-20 1584 Sonoma Pepperwood Ranch. Leslie Creek Comment
  POM287526  Centaurium trichanthum Lyman Benson 1930-6-18 2165 Sonoma Four miles south of Santa Rosa, North Coast Mt. Range, San Francisco Bay watershed. 61 Comment
  UC75838  Centromadia fitchii Miss M. Alice King 1897-6-1 Sonoma near Healdsburg Comment
  CAS-BOT-BC288807  Centromadia fitchii G. De Nevers; J. Shumate 1981-7-25 1868 Sonoma Pepperwood Ranch. W of 3 Tree Hill Comment
  CAS-BOT-BC288813  Centromadia fitchii James I. McMurphy 1917-9-15 s.n. Sonoma Litton Station Comment
  CAS-BOT-BC271545  Centromadia parryi subsp. parryi John Thomas Howell 1930-10-5 5530 Sonoma Dry field 5.8 miles SW of Sonoma on Black Point cutoff Comment
  CAS-BOT-BC271550  Centromadia parryi subsp. rudis Walter Knight; Irja Knight 1985-9-23 5181 Sonoma Lower Tubbs Island about 1/4 mile from San Pablo Bay 0 Comment
  CAS-BOT-BC251307  Cerastium Peter Rubtzoff 1967-8-28 s.n. Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC249316  Cerastium Peter Rubtzoff 1967-8-22 5858 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC384975  Cerastium arvense Rimo Bacigalupi 1926-5-2 1377 Sonoma Cazadero Comment
  UCD160139  Cerastium glomeratum James A. Neilson Jr. 1974-3-27 3013 Sonoma Mayacmas Mountains. The Geysers. Site A-74. (Elevation and exact location estimated by label maker; in Mayacmas Flora it says this collection number is from Truit Creek.) 365 Comment
  UCD98035  Cerastium glomeratum Daehler; Lu 1993-5-8 255 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. 371 Comment
  CAS-BOT-BC400234  Ceratophyllum demersum Peter Rubtzoff 1955-7-30 1997 Sonoma Bennett Mtn. Lake Comment
  UC754296  Chamaemelum fuscatum R. Bacigalupi 1948-4-4 2870 Sonoma 2 mi s of Asti (along U.S. 101) Comment
  CDA7376  Chamaemelum fuscatum T. C. Fuller 1970-5-4 19483 Sonoma 1 mile west of the freeway overpass, Highway 101, Asti. 0 Comment
  POM138055  Chamaesyce serpillifolia M. S. Baker 1898-11-25 744 Sonoma Russian River near Healdsburg. Comment
  UCD159761  Cheilanthes intertexta James A. Neilson Jr. 1975-1-24 3131 Sonoma Mayacmas Mountains; Alder Creek drainage, 200 yards south of county line near jeep road. Dominichelli Ranch. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  CAS-BOT-BC178699  Chenopodiaceae Peter Rubtzoff 1976-9-25 8903 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC166669  Chenopodium Peter Rubtzoff 1975-9-7 8370 Sonoma South side of American River in the vicinity (west) of Watt Ave. bridge. Comment
  CAS-BOT-BC166751  Chenopodium Peter Rubtzoff 1971-7-23 6617 Sonoma Laguna, Chileno Valley. Comment
  RSA783840  Chenopodium Peter Rubtzoff 1971-8-9 6638 Sonoma Laguna, Chileno Valley. Comment
  UC1563922  Chenopodium pumilio Barbara Ertter 1988-11-5 8032 Sonoma ca 5 mi due s Cloverdale (point below Little Flat parking area, Lake Sonoma, w of bridge); Lake Sonoma 152 Comment
  CAS-BOT-BC499256  Chlorogalum pomeridianum Peter Rubtzoff 1958-7-19 3765 Sonoma Sonoma County Marshes, Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC499262  Chlorogalum pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian River Comment
  JEPS128347  Chlorogalum pomeridianum var. pomeridianum Roger Raiche 2000-5-28 118 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this is not the name on USGS topo sheets). Gualala River, Wheatfield Fork watershed. Comment
  SBBG32386  Chorizanthe cuspidata var. villosa L. S. Rose -Aug-1962 62077 Sonoma Bodega Pt 30 Comment
  RSA749089  Chrysolepis chrysophylla P. C. Pendse 1979-10-7 s.n. Sonoma Salt Point State Park. Next to ranger station. Among bishop pines, coast redwood, and tan oaks. Comment
  UCD110103  Chrysolepis chrysophylla var. minor J. M. Tucker 1951-6-26 2143 Sonoma Near Top of the World Ranch, ca. 5 miles due east of Glen Ellen. Comment
  SD251186  Chrysopsis Peter Rubtzoff 1956-9-23 2942 Sonoma Hacienda Region, left side of Russian River, near the road from Forest Hills to Highcroft, about 0.5 miles SW of the Russian River bridge in Hacienda. Comment
  CAS-BOT-BC176198  Cichorium intybus Peter Rubtzoff 1961-9-6 4727 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  UCR250391  Cirsium Peter Rubtzoff 1955-9-24 2146 Sonoma Duncan Mills Marsh, upper portion of marsh 9 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
  CDA20719  Cirsium douglasii S. Ostrom 2006-7-19 PDR 1328643 Sonoma East of 5556 Pine Flat Rd., Geyserville. Comment
  CAS-BOT-BC279999  Cirsium douglasii var. douglasii Lewis S. Rose 1939-5-14 39125 A Sonoma Bodega Bay 6 Comment
  CAS-BOT-BC280005  Cirsium douglasii var. douglasii Alice Eastwood; John Thomas Howell 1937-5-31 4504 Sonoma 6 miles north of Bodega Bay Comment
  SEINET11860261  Cirsium occidentale Unknown 1936-5-2 13372 Sonoma near Healdsburg Comment
  CDA1392  Cirsium occidentale var. coulteri Robin Breckenridge 1986-5-14 s.n. Sonoma Bodega Bay; Bodega Dunes State Campground. Comment
  CAS-BOT-BC280373  Cirsium occidentale var. venustum L. R. Abrams 1916-7-4 5794 Sonoma Road between Petrified Forest and Mark West Comment
  UC480934  Cirsium occidentale var. venustum H. P. Chandler 1907-4-21 7531 Sonoma road fr. Glen Ellen to Oakville Comment
  UCD130426  Cirsium occidentale var. venustum Frederica Bowcutt 1994-6-25 1906 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 0.25 miles N of Vista Trailhead along Gray Pine Trail. Comment
  CAS-BOT-BC285747  Cirsium remotifolium Greg de Nevers 1997-6-7 11017 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. On Ken's Restaurant Trail 457 Comment
  UCD160913  Cirsium vulgare James A. Neilson Jr. 1975-7-8 3418 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  CAS-BOT-BC164355  Citrullus lanatus Peter Rubtzoff 1976-9-25 8904 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CAS-BOT-BC162555  Clarkia affinis Alva Day 1982-6-1 82 -58 Sonoma Pepperwood Ranch Comment
  JEPS43699  Clarkia amoena Milo S. Baker 1923-7-30 141 Sonoma near Frederickson's-Iagua; North Coast Comment
  UC972227  Clarkia amoena Calvin and Phyllis McMillan 1951-5-27 1552 Sonoma nw Cloverdale (on road to Boonville, ca. 1 mi e of Mendocino-Sonoma County line) Comment
  UC107819  Clarkia amoena subsp. amoena Katharine Brandegee 1905-6-26 Sonoma Bodega Bay Comment
  UC167080  Clarkia amoena subsp. amoena Marcus E. Jones, A. M. 1881-7-1 Sonoma Duncan's Mills Comment
  UC423074  Clarkia amoena subsp. amoena Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC161048  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1938-7-6 6085 Sonoma Alder Glen Springs 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
  CAS-BOT-BC163514  Clarkia amoena subsp. huntiana Walter Knight; Irja Knight 1963-8-13 197 Sonoma Corner Roblar & Steinbeck Rds Comment
  CAS-BOT-BC172223  Clarkia concinna Alice Eastwood 1915-6-5 4595 Sonoma Petrified Forest Comment
  UCSB15930  Clarkia concinna Breedlove, Dennis 1962-6-6 Sonoma along State Highway 128; 1.5 miles northwest of U.S. Highway 101; at Cloverdale 121 Comment
  UC1122374  Clarkia concinna subsp. concinna H. S. Yates 1934-4-21 3805 Sonoma near Bodega; Duncan Mills Quadrangle Comment
  CAS-BOT-BC162513  Clarkia gracilis subsp. gracilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54000 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-BC163472  Clarkia purpurea subsp. quadrivulnera Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  UC423081  Clarkia purpurea subsp. quadrivulnera Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  UC58864  Clarkia purpurea subsp. quadrivulnera Milo S. Baker May 1899 Sonoma near Kenwood Comment
  CAS-BOT-BC165670  Clarkia unguiculata A. A. Heller 1902-6-24 5750 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC165671  Clarkia unguiculata A. A. Heller 1902-6-11 5686 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  POM187327  Clarkia unguiculata Marcus E. Jones 1931-7-5 29038 Sonoma The Geysers. Comment
  UC754333  Claytonia gypsophiloides R. Bacigalupi 1948-3-6 2855 Sonoma 2 mi w Skaggs Springs Comment
  CAS-BOT-BC439399  Claytonia gypsophiloides Peter Rubtzoff 1957-5-26 3352 Sonoma Near Occidental - Graton road, 2.7 mi. east of Occidental. Comment
  RSA177929  Claytonia gypsophiloides R. F. Thorne 1965-4-20 324378 Sonoma ca. 3/4 mi.; Charles Newman s place up Los Alamos Rd., on Rincon Ridge. 396 Comment
  RSA304000  Claytonia gypsophiloides J. R. Shevock 1972-3-28 1486 Sonoma Road bank Hwy 128, N. of Cloverdale. 91 Comment
  RSA712417  Claytonia gypsophiloides K. L. Chambers 1977-3-29 4252 Sonoma Cloverdale to Booneville rd. (Hwy. 128) 3.7 mi. NW of junction with Hwy. 101 near Cloverdale. Gravelly serpentine roadbank. Comment
  RSA734381  Claytonia gypsophiloides Rimo Bacigalupi 1948-3-6 2855 Sonoma 2 mi. w. of Skaggs Springs, on loose shaly slope. Comment
  UCD160143  Claytonia rubra subsp. depressa James A. Neilson Jr. 1974-4-4 3168 Sonoma Mayacmas Mountains, upper Squaw Creek. (Elevation estimated using Google Earth by label maker.) 975 Comment
  CAS-BOT-BC92754  Clematis ligusticifolia John I. Carlson 1917-7-23 s.n. Sonoma Preston. Comment
  RSA66915  Collinsia heterophylla E. K. Balls 1951-5-3 16409 Sonoma Maacama (Miyakama) Creek, between Kellogg and Alexander Valley, Hwy 28, 2 mi. from turnoff to Geyserville. 610 Comment
  RSA92819  Collinsia heterophylla Peter H. Raven 1950-4-6 1593 Sonoma Vernal Flats, Santa Rosa to Rincon Ridge. 183 Comment
  SEINET12327818  Collinsia heterophylla F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -096 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  JEPS78762  Collinsia sparsiflora var. arvensis L. R. Heckard with Michael Morris 1976-4-26 4235 Sonoma n Guerneville (s side of Gilman Creek near rd running nw of Vista Point and Redwood Lake (ca 3.4 mi from there)); Armstrong Redwoods State Park 182 Comment
  RSA17714  Collinsia sparsiflora var. arvensis Elmer I. Applegate 1934-3-25 8850 Sonoma Sansal Creek, Pine Flat region, west slope Mayacama Mountains. Comment
  JEPS46209  Collomia grandiflora Eleanor Armstrong 1932-5-25 476 Sonoma 2 mi n Camp Meeker (towards Monte Rio, dry hillside) 121 Comment
  POM193922  Collomia heterophylla J. T. Howell 1929-6-30 4317 Sonoma 6 miles from Petrified Forest on road to Knights Valley Comment
  UCD126334  Conium maculatum Frederica Bowcutt 1994-6-12 1876 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. Just S of Adobe Canyon Road and kiosk. 396 Comment
  UCSB21858  Conium maculatum McCarthy, Sharon 1965-4-16 Sonoma Sonoma Creek; approx. 0.5 mile north of bridge at Leveroni Rd., Sonoma 24 Comment
  NY318907  Convolvulus saxicola A. Eastwood 1900-7-4 Sonoma Bodega Point Comment
  SEINET6174100 Image available Convolvulus soldanella Sally Walker 1982-5-24 Sonoma Duncans Landing Comment
  RSA0059770  Convolvulus subacaulis Robert F. Thorne 1965-4-19 34289 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UCR256118  Cordylanthus pilosus subsp. pilosus Greg de Nevers 1990-7-24 9678 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 220 Comment
  CAS-BOT-BC238227  Cordylanthus tenuis subsp. brunneus Francis W. Pennell 1940-7-3 26044 Sonoma Hoods Peak, n.e. of Kenwood 731 Comment
  UCD123140  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1962-4-6 62078 Sonoma 2 mi. NE of Occidental. 182 Comment
  CAS-BOT-BC368072  Coreopsis grandiflora Greg de Nevers 1998-6-9 11273 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Rd., at mouth of John Kuffenotchi's driveway. 400 Comment
  SD53397  Corethrogyne filaginifolia var. filaginifolia Darley F. Howe 1962-7-29 3365 Sonoma 12 miles north of Jenner on Highway 1. Comment
  CAS-BOT-BC212292  Cornus glabrata Walter Knight; Irja Knight 1964-8-23 681 Sonoma corner Calistoga and Porter Creek Roads Comment
  CAS-BOT-BC210430  Cornus sericea G. DeNevers 1981-4-25 869 Sonoma Pepperwood Ranch. Mark West Creek and Leslie Creek Comment
  CAS-BOT-BC210431  Cornus sericea G. DeNevers 1981-5-2 907 Sonoma Pepperwood Ranch. Confluence of Leslie Creek and Mark West Creek Comment
  UCD110064  Corylus cornuta subsp. californica K. Esau 1932-4-2 s.n. Sonoma Russian River. Comment
  CAS-BOT-BC427657  Crassula aquatica Peter Rubtzoff 1970-10-3 6406 Sonoma Near U.C. Bodega Marine Laboratory. Comment
  RSA0073843  Crassula solieri Reid V. Moran, Charles Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1.0 km east of Glen Ellen. 110 Comment
  UCD101816  Crassula solieri Reid Moran; Chas. Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1 km E of Glen Ellen (Rt. 12, 0.5 km S of Arnold Drive.) 110 Comment
  NY435881  Crataegus gaylussacia A. A. Heller 1902-8-20 6052 Sonoma Lagoon at Scbastopol. Comment
  CAS-BOT-BC190183  Crypsis vaginiflora Peter Rubtzoff 1971-9-30 6708 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC376222  Cryptantha Greg de Nevers 1993-3-28 10336 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Shriver Canyon 304 Comment
  UC1731388  Cryptantha torreyana Dean W. Taylor 1998-6-22 16688 Sonoma 0.3 mi along ridge from Eagle Rock Substation ((ridge dividing Bear Canyon from Squaw Cr.)); North Coast Ranges, Mayacamas Mountains, The Geysers Geother 792 Comment
  CAS-BOT-BC251228  Cucurbitaceae Peter Rubtzoff 1955-10-12 2169 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC80748  Cupressus macnabiana Walter Knight; Irja Knight 1964-1-18 523 Sonoma Head of Hooker Canyon, Cavedale Rd. Comment
  CAS-BOT-BC80749  Cupressus macnabiana Walter Knight; Irja Knight; J. T. H. 1984-9-26 5239 Sonoma 4.5 mi. up Cavedale Rd. Comment
  CAS-BOT-BC85457  Cupressus sargentii Frederick H. Utech; W. Knight; Irja Knight 1984-4-18 84166 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 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
  RSA107467  Cupressus sargentii L. S. Rose 1955-7-11 55113 Sonoma 2 miles NE of Occidental 244 Comment
  RSA144399  Cupressus sargentii Roxana S. Ferris, Laura Lorraine 1961-6-15 13565 Sonoma Harrison Grade, 1.3 mile from junction with Green Valley Road Comment
  UC618967  Cupressus sargentii E. Armstrong 1934-3-26 923 Sonoma 2 mi n Camp Meeker; Sebastopol Quadrangle Comment
  CDA41305  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 3 of 3. Comment
  UCD164703  Cuscuta howelliana Peter Rubtzoff; Nancy Harrison 1976-6-18 8648 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC190343  Cynodon dactylon Peter Rubtzoff 1951-7-21 504 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower marshes. Comment
  UC1023584  Cynodon dactylon Virginia Bufford 1936-5-21 362 Sonoma Geysers - Cloverdale Rd Comment
  HSC3637  Cynoglossum grande R. F. Good 1962-4-19 29 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes 46 Comment
  POM369230  Cynoglossum grande Christopher Davidson 1977-6-20 6032 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  CAS-BOT-BC312690  Cynosurus Peter Rubtzoff 1971-6-5 6515 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC190433  Cynosurus echinatus G. DeNevers 1981-5-5 957 Sonoma Pepperwood Ranch. On the bench south of the Studio. Comment
  UC1011015  Cynosurus echinatus Virginia Bufford 1936-5-1 154 Sonoma head of Bodega Canyon 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
  RSA0022474  Cynosurus echinatus Peter Rubtzoff 1968-6-20 5899 Sonoma 6.5 mi. northeast of Penngrove on Lichan[Lichau?] Road. 427 Comment
  JEPS86770  Cyperus eragrostis Jack and Betty Guggolz 1990-6-18 1068 Sonoma ca. 12 km. e. Healdsburg (Ferrari-Carano Ranch, Maacamas Creek) 70 Comment
  UC1057482  Cyperus eragrostis G. Thomas Robbins 1937-6-18 248 Sonoma Santa Rosa, Santa Rosa Creek Comment
  UCD161844  Cyperus eragrostis James A. Neilson Jr. 1975-6-26 s.n. Sonoma Mayacmas Mountains, Caldwell Pines area, Wildhorse #1. (Exact location unknown, coordinates estimated by label maker. Location georeference near Wildhorse Cr.) Comment
  CAS-BOT-BC114518  Cyperus eragrostis Walter Knight; Irja Knight 1963-9-29 228 Sonoma In ditch on Lakeville hwy near freeway. Comment
  RSA365071  Cyperus eragrostis Christopher Davidson 1977-6-17 5876 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  RSA227202  Cyperus erythrorhizos Peter Rubtzoff 1958-9-20 3992 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mile north of Guerneville Rd.) Comment
  CAS-BOT-BC113909  Cyperus niger var. capitatus Peter Rubtzoff 1965-9-5 5645 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  RSA94263  Cyperus niger var. capitatus Peter Rubtzoff 1951-7-14 438 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  CAS-BOT-BC113916  Cyperus niger var. castaneus John Thomas Howell; J. W. Stacey 1936-7-26 12675 Sonoma Pitkin Marsh, 5 mi. N of Sebastapol. Comment
  CAS-BOT-BC435194  Cypselea humifusa H. K. Wagnon 1991-10-14 1993 Sonoma Jack London State Park. Comment
  UC1606175  Cyrtomium falcatum Liz Parsons and Wendy Born Dec 1995 Sonoma s slope Hood Mt; Hood Mt Regional Park Comment
  CAS-BOT-BC70723  Cystopteris fragilis D. E. Breedlove 1980-6-28 44814 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD105688  Cytisus scoparius Andreas Stohr 1996-5-19 17 Sonoma Roadside 7 miles west of Petaluma. 100 Comment
  CAS-BOT-BC189849  Dactylis glomerata A. A. Heller 1902-6-7 5657 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UC65289  Dactylis glomerata A. A. Heller 1902-6-7 5657 Sonoma Santa Rosa Comment
  CAS-BOT-BC445556  Damasonium californicum Peter Rubtzoff 1958-7-26 3808 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  SACT000880  Danthonia americana 1927-5-5 Sonoma No determiner/collector listed. Comment
  CAS-BOT-BC210142  Danthonia californica Peter Rubtzoff 1974-5-18 7414 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  UCD148397  Danthonia californica Peter Rubtzoff 1957-5-11 3345 Sonoma Occidental Marsh. 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
  UCD61013  Danthonia californica R. Tofsrud 1948-5-9 Sonoma Old Santa Rosa cemetery, Santa Rosa. Comment
  UCD61011  Danthonia californica R. Tofsrud 1948-5-9 Sonoma 1 mi. E of Mark West Springs. Comment
  UC1131394  Danthonia californica var. americana H. S. Yates 1937-5-30 6541 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  UCD37939  Danthonia californica var. americana Beecher Crampton 1962-5-8 6411 Sonoma Sonoma County, 5 miles south of Geyserville. Comment
  UCD33239  Danthonia californica var. americana Beecher Crampton 1967-5-15 7935 Sonoma Sonoma County, 14 miles N.W. of Calistoga on Hwy. 128 near Chalk Hill road. Comment
  UCD34819  Danthonia californica var. americana Beecher Crampton 1963-5-27 6811 Sonoma Sonoma County, Alexander Valley, state Hwy. 128, ca. 8 miles S.E. of Geyserville. Comment
  RSA114300  Danthonia californica var. californica J. T. Howell 1957-6-13 32622 Sonoma slope bordering Pitkin Marsh Comment
  CAS-BOT-BC154983  Datura Peter Rubtzoff 1969-8-14 6131 Sonoma Along Salmon Creek, ca. 0.5 mi. upstream from Highway #1. Comment
  CAS-BOT-BC154136  Datura Peter Rubtzoff 1961-8-22 4677 Sonoma Fife Creek Marsh, along Fife Creek Comment
  UC444931  Datura stramonium V. King Chesnut 1887-8-1 Sonoma Santa Rosa Comment
  CDA41056  Datura stramonium J. C. Violetti 1968-6-16 s.n. Sonoma Mrs. Lucas prop. 652 Brittain Lane, Santa Rosa. 0 Comment
  CDA5765  Datura stramonium T. C. Fuller 1957-12-17 Sonoma 1 mile north of Petaluma. 0 Comment
  JEPS15988  Daucus carota W. L. Jepson 1933-8-5 16552 Sonoma Sonoma Comment
  SEINET11845323  Delairea odorata W. Knight, Knight, I. 1990-1 6568 Sonoma along Coast Hwy #1 northbound through Jenner Comment
  UC912489  Delphinium Herbert L. Mason 1928-4-13 4326 Sonoma wet marsh and pools near Petaluma Comment
  CAS-BOT-BC9607  Delphinium bakeri Milo S. Baker 1929-5-3 3429 c Sonoma Coleman Valley Comment
  UC424822  Delphinium decorum subsp. decorum Milo S. Baker Apr. 1930 4959 a Sonoma near Stewart's Point Comment
  UC467758  Delphinium decorum subsp. tracyi Milo S. Baker Apr. 1899 Sonoma hills back of Dillon's Beach Comment
  CAS-BOT-BC10344  Delphinium hesperium Ella D. Cantelow 1938-5-15 2408 Sonoma About 5 mi. E of Geyserville near foot of grade to The Geysers Comment
  CAS-BOT-BC10346  Delphinium hesperium A. A. Heller 1940-6-12 15724 Sonoma A short distance west of Two Rocks Comment
  UC188634  Delphinium hesperium subsp. hesperium Michener and Bioletti May 1893 Sonoma Kenwood Comment
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Jun 5 2007
  UC1299395  Delphinium hesperium subsp. hesperium Freed W. Hoffman 1948-6-8 2668 Sonoma Austin ranch road North Coast Ranges, Guerneville Comment
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Jun 5 2007
  CAS-BOT-BC10128  Delphinium luteum A. A. Heller 1940-5-17 15634 Sonoma On State Highway #1, a mile or so east of Bodega Bay Comment
  CAS-BOT-BC10129  Delphinium luteum Ella D. Cantelow 1940-4-6 4272 Sonoma W. of Bodega, Hwy. 1 Comment
  SEINET3159607  Delphinium luteum L. S. Rose 1939-1 Sonoma Comment
  UC854139  Delphinium luteum L. S. Rose 1939-5-14 39120 Sonoma 1 mi. E of Bodega Bay, Sonoma Co. Comment
  CAS-BOT-BC8006  Delphinium nudicaule A. A. Heller; H. E. Brown 1902-3-12 5046 Sonoma Sonoma Creek, Eastern Base of Mt. Hood Comment
  UC1126017  Delphinium nudicaule E. Armstrong 1934-3-26 953 Sonoma 1 mi nw Camp Meeker; Sebastopol Quadrangle 121 Comment
  CAS-BOT-BC8012  Delphinium nudicaule Joseph Whipple Congdon 1880-5-2 s.n. Sonoma Cleveland's Creek Comment
  SEINET12093237  Delphinium nudicaule W. Knight, Knight, I.; Edwards, S. Dr 1986-1 5306 Sonoma Along trail to summit of Geyser Peak. Access from Healdsburg-Geysers Rd 853 Comment
  CAS-BOT-BC121723  Delphinium patens subsp. patens Volney Rattan 1880-1-1 s.n. Sonoma Healdsburg Comment
  UC912671  Delphinium variegatum A. E. Borell 1928-4-13 122 Sonoma Petaluma Comment
  CAS-BOT-BC7773  Delphinium variegatum J. P. Moore s.n. Sonoma Knight Valley Comment
  RSA59844  Delphinium variegatum subsp. variegatum J. Ewan 1935-5-12 9240 Sonoma Los Guilicos, 2 miles N of Kenwood. Comment
  UC1126351  Dendromecon rigida E. Armstrong 1934-3-26 941 Sonoma 3 mi w Camp Meeker; Sebastopol Quadrangle 91 Comment
  OBI35893  Deschampsia cespitosa David J. Keil 1983-6-30 17209 Sonoma Stillwater Cove Regional Park 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
  UCD63791  Deschampsia cespitosa subsp. holciformis P. B. Kennedy 1915-6-1 Sonoma Del Mar. Comment
  UCD63798  Deschampsia cespitosa subsp. holciformis Beecher Crampton 1957-7-11 4334 Sonoma Sonoma Coast State Park, along State Hwy. 1, 1.3 miles north of Salmon Creek. Comment
  UCD63820  Deschampsia cespitosa subsp. holciformis Beecher Crampton 1957-7-11 4333 Sonoma Sonoma Coast State Park along State Hwy. 1, 1.3 miles north of Salmon Creek. Comment
  JEPS45809  Deschampsia danthonioides Eleanor Armstrong 1932-5-18 160 Sonoma 4 mi. w. Santa Rosa 45 Comment
  RSA785842  Deschampsia danthonioides Peter Rubtzoff 1974-5-26 7494 Sonoma Todd road 1.5 mi from Hwy 116 and 0.5 mi from Llano Road Comment
  CAS-BOT-BC201963  Deschampsia elongata Peter Rubtzoff 1960-6-7 4461 Sonoma Austin Creek Marsh Comment
  SEINET3927657  Deschampsia holciformis Fred W. Hoffman 1943-5-9 2204 Sonoma Bodega Park, Sonoma Coast.; 0 Comment
  CAS-BOT-BC208928  Dichanthelium acuminatum subsp. acuminatum Helen D. Geis 1902-8-1 569 Sonoma The Geysers Comment
  CAS-BOT-BC221848  Dichanthelium acuminatum subsp. fasciculatum John Roos; Lucille Roos 1956-9-1 6598 Sonoma The Geysers Comment
  SEINET10960759  Dichanthelium acuminatum subsp. thermale John H. Redfield 1872-8-27 Redfield 9792 Sonoma Geyser Springs. Comment
  RSA126984  Dichanthelium acuminatum var. fasciculatum H. S. Yates 1936-5-16 5589 Sonoma 2 miles SE of Forestville 30 Comment
  SEINET3134494  Dichanthelium lanuginosum var. thermale R. W. Spellenberg 1964-6-15 402 Sonoma The Geysers, 17 mi E of Geyserville Comment
  UCD151080  Dichelostemma James A. Neilson Jr. 1973-6-3 2990 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
  UCD160756  Dichelostemma capitatum James A. Neilson Jr. 1975-5-23 3220 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  SEINET10965902  Dichelostemma capitatum A. Arthur Heller, H. E. Brown 1902-3-17 Heller 5087 Sonoma Hills 8 miles Northeast of Santa Rosa. Comment
  SEINET7067346  Dichelostemma capitatum subsp. capitatum 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
  UCD166874  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2016-3-26 3042 Sonoma Mayacamas Mountains, along Pine Flat Road, at Rob Roy Flat. 618 Comment
  HSC34880  Dichelostemma capitatum subsp. capitatum Thomas W. Nelson, James Nelson 1975-3-25 1753 Sonoma Beside Hwy. 128 E of Geyserville Comment
  SEINET10533899  Dichelostemma congestum A. Arthur Heller 1902-6-23 Heller s.n. 1902 Sonoma Petrified Forest. Comment
  JEPS79159  Dichelostemma multiflorum Nancy Harrison 1980-5-16 2124 Sonoma s of Piner Elementary School; Santa Rosa Comment
  SBBG39521  Dichondra donelliana L. S. Rose 1970-4-18 70029 Sonoma 4 mi N of Sonoma 274 Comment
  SEINET11690138  Digitaria ischaemum J. T. Howell, Best, C. 1986-1 s.n. Sonoma Sonma State Campus, Rohnert Park Comment
  CAS-BOT-BC151377  Diplacus tricolor James McMurphy 1906-7-16 s.n. Sonoma Fulton Comment
  CAS-BOT-BC121894  Dirca occidentalis Milo S. Baker 1942-5-20 10197 Sonoma Two miles west of Bodega town on a road which turns right within the town Comment
  RSA122773  Dirca occidentalis Milo S. Baker 1942-5-20 10197 Sonoma 2 miles west of Bodega town on a road which turns right within the town Comment
  UC1134582  Disporum hookeri E. Armstrong 1934-3-26 902 Sonoma 1 mi w of Camp Meeker 182 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
  CHSC97901  Dittrichia graveolens S. Ostrom 2006-9-1 PDR 1328648 Sonoma Windsor; Shiloh Rd. and Business Park Ct. Roadside. 35 Comment
  UCD118839  Dodecatheon hendersonii Frederica Bowcutt; Kate Mawdsley 1996-3-24 2091 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 1/2 air miles W of Mount Saint John, along Brushy Peaks Trail just S of Malm Fork of Sonoma Creek. 426 Comment
  UCD33097  Downingia concolor Beecher Crampton 1966-5-10 7728 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  UCR141959  Downingia concolor Beecher Crampton 1966-5-10 7728 Sonoma Coast Range, 6.5 miles north of Sonoma on State Hwy 12, Calif. Dept. of Forestry Glen Ellen station 76 Comment
  CAS-BOT-BC154160  Downingia concolor var. concolor Peter Rubtzoff 1974-5-18 7439 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road. Comment
  CAS-BOT-BC156312  Downingia concolor var. concolor Peter Rubtzoff 1969-5-3 6024 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  JEPS19382  Downingia concolor var. concolor G. Thomas Robbins 1937-5-23 179 Sonoma near Wright School (along road between Sebastopol and Santa Rosa) Comment
  UC1244021  Downingia concolor var. concolor John H. Weiler 1960-5-22 60128 Sonoma Schellville, Southern Pacific railroad gradings Schellville Comment
  UC416606  Downingia concolor var. concolor Katharine Brandegee Sonoma Santa Rosa Comment
  UC890656  Downingia concolor var. concolor Alice Eastwood 1921-4-24 10327 Sonoma Santa Rosa Comment
  UCD150850  Downingia concolor var. concolor Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  UCR279855  Downingia concolor var. concolor Peter Rubtzoff 1966-6-5 5752 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 mile from Llano Road 29 Comment
  JEPS103647  Downingia concolor var. concolor Lisa Schultheis 1995-5-15 147 -95 Sonoma N of Sonoma at Rt. 12 entrance to Sonoma Valley Regional Park Comment
  JEPS108527  Downingia concolor var. concolor Lisa Schultheis 1995-5-15 149 -95 Sonoma Santa Rosa. Roadside ditch along Alton Lane, off of Fulton Rd., just N of Piner Rd. Comment
  CAS-BOT-BC154141  Downingia pusilla Peter Rubtzoff 1972-5-14 6741 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC154161  Downingia pusilla Peter Rubtzoff 1972-4-23 6728 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC401544  Drosera rotundifolia H. B. Humphrey 1908-5-15 s.n. Sonoma Bog near Santa Rosa Comment
  LA208035  Drymocallis glandulosa J. A. Ewan; 1935-5-12 9235 Sonoma Mouth of Salmon Creek on Bodega Bay Comment
  CAS-BOT-BC159442  Drymocallis glandulosa var. glandulosa G. DeNevers 1981-5-30 1353 Sonoma On N side of Studio Road at base of hill, near the green Gate - Pepperwood Ranch 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-BC71016  Dryopteris arguta J. W. Congdon 1880-1-11 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC71020  Dryopteris arguta Walter Knight; Irja Knight 1964-2-16 525 Sonoma Mill Creek Road Comment
  CAS-BOT-BC71014  Dryopteris arguta Volney Rattan 1877-6-25 s.n. Sonoma Cloverdale Comment
  UC725574  Dudleya cymosa A. A. Heller 1940-5-10 15609 Sonoma along Wheatfield Fork of Gala River (on the Stewart Point-Skagg's Spring Rd) Comment
Read comments
Nov 20 2018
  SEINET12216915  Dudleya cymosa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -207 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 800 Comment
  UCD101918  Dudleya farinosa Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 42 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC933225  Dudleya farinosa Reid Moran March 1949 3184 Sonoma coast n Bodega Comment
  SD71428  Dysphania botrys Peter Rubtzoff 1965-8-22 5615 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville) Comment
  UCD98787  Dysphania chilensis Peter Rubtzoff 1953-11-1 1440 Sonoma Vacation Beach, near Guerneville. Comment
  RSA785441  Echinochloa Peter Rubtzoff 1976-8-29 8836 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Comment
  CAS-BOT-BC173585  Echinochloa crus-galli Peter Rubtzoff 1956-9-15 2901 Sonoma Atascadero Creek Marsh. Comment
  CDA19690  Egeria densa McArthur 2001-10-5 PDR P 091882 Sonoma Sonoma Co. Regional Parks, Helen Putnam Regional Park, Chileno Valley Rd. Growing in still water. 0 Comment
  UCD160914  Ehrendorferia chrysantha James A. Neilson Jr. 1975-7-8 3421 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  UCD165969  Ehrendorferia chrysantha James A. Neilson Jr. 1975-7-8 3421 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  CHSC59374  Ehrharta calycina Peter G. Connors 1991-5-22 107 Sonoma Bodega Head, Bodega Bay, Bay Flat Road, near Clark Marsh. Roadside. Comment
  UC1055948  Eleocharis acicularis Francia Chisaki, Peter Kamb 1950-6-16 1865 Sonoma 1 mi N of Sousa Corners (NW from Sebastopol, Pitkin Marsh) Comment
  CAS-BOT-BC113726  Eleocharis acicularis Catherine Best 1983-10-10 900 Sonoma Where water had receded at the Lake on Stoltz Lane ca. 2 mi NE of Occidental. Comment
  SEINET11750917  Eleocharis acicularis C. F. Quibell 1976-1 1361 Sonoma N of Railroad Ave, W of US 101, Cristo fence route 30 Comment
  CAS-BOT-BC113318  Eleocharis montevidensis Helen D. Geis 1902-8-1 s.n. Sonoma Sring. Comment
  CAS-BOT-BC112196  Eleocharis radicans Peter Rubtzoff 1951-7-14 418 Sonoma Pitkin Marsh, near Forestville: Southern half of Lower Marsh Comment
  CAS-BOT-BC112205  Eleocharis radicans Peter Rubtzoff 1962-7-28 5006 Sonoma Laguna de Santa Rosa east of Cunningham, near Llamo Road. Comment
  CAS-BOT-BC112271  Eleocharis rostellata Peter Rubtzoff 1951-7-21 495 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC451543  Elodea canadensis Peter Rubtzoff 1987-9-27 9860 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  UCD166262  Elodea canadensis Peter Rubtzoff 1970-8-19 6336 Sonoma Austin Creek, 0.5 miles north of Cazadero. Comment
  SEINET10509410  Elymus divergens Davy 1897-9-18 DAVY 4037 Sonoma Near Petaluma Comment
  CDA36958  Elymus glaucus CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UC576347  Elymus glaucus H. S. Yates 1937-6-5 576347 Sonoma 3 mi sse Wildwood; Santa Rosa Quadrangle Comment
  UCD62282  Elymus glaucus R. Tofsrud 1947-6-17 189 Sonoma Old Santa Rosa cemetery at end of Mc Donald Ave. Comment
  JEPS27967  Elymus multisetus Rimo Bacigalupi and L. Heckard 1961-6-9 7740 Sonoma at junction of Joy Rd and Bittner Road (1.75 mi sw of Occidental) 249 Comment
  CAS-BOT-BC235228  Elymus multisetus David L. Morgan 1961-5-19 s.n. Sonoma Hwy. 101, 2 miles south of Petaluma Comment
  UCD62675  Elymus trachycaulus subsp. subsecundus Frederica Bowcutt 1995-11-19 2061 b Sonoma Sugarloaf Ridge State Park. About 50 miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon, due south of Red Mtn. about 1 air mile along Lower Bald Mtn. SE facing. 411 Comment
  CAS-BOT-BC204306  Elymus trachycaulus subsp. trachycaulus G. DeNevers 1981-6-27 1711 Sonoma Pepperwood Ranch. At new Pepperwood entrance Comment
  UCD84285  Epilobium Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  JEPS128234  Epilobium brachycarpum Roger Raiche 2000-9-2 149 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD148371  Epilobium campestre Peter Rubtzoff 1955-8-6 2026 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC262988  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-6-20 1507 Sonoma Guerneville Marsh. Comment
  RSA0009608  Epilobium ciliatum subsp. ciliatum Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC262974  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-7-29 1607 Sonoma Guerneville Marsh. Comment
  UC1042438  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1951-7-14 444 Sonoma on edge of thicket near creek (s edge of Lower Marsh, near Forestville); Pitkin Marsh, Lower Marsh Comment
  UC1122559  Epilobium ciliatum subsp. watsonii H. S. Yates 1934-4-21 3791 Sonoma near Bodega; Sebastopol Quadrangle Comment
  RSA0015638  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5339 Sonoma Bodega Bay Marsh. Comment
  RSA0015639  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1967-8-28 5865 Sonoma SE of Lower Salmon Creek Marsh. Comment
  UCD160972  Epilobium densiflorum James A. Neilson Jr. 1975-7-8 3407 Sonoma Mayacmas Mountains. Socrates Mine. (Elevation and coordinates estimated by label maker.) 914 Comment
  UCD166183  Epilobium densiflorum Peter Rubtzoff 1969-7-25 6121 Sonoma 6.5 miles NE of Penngrove on Lichan Road. 426 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
  UC762773  Epilobium minutum R. F. Hoover 1939-4-18 4040 Sonoma Occidental Comment
  UCD106503  Epilobium minutum Frederica Bowcutt 1994-5-21 1818 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. 3/4 mile from trailhead. 411 Comment
  CAS-BOT-BC173546  Equisetum Peter Rubtzoff 1973-8-29 7285 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA784483  Equisetum Peter Rubtzoff 1973-8-21 7253 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC57048  Equisetum arvense Peter Rubtzoff 1958-8-16 3879 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  SD64379  Equisetum hyemale subsp. affine Darley F. Howe 1966-6-2 Sonoma west side of Bodega Bay, on peninsula Comment
  UCD144427  Equisetum laevigatum Caitlin Lewis; William Mutch 1993-4-17 16 Sonoma about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile near visitor center. Along Sonoma Creek. 365 Comment
  CAS-BOT-BC57641  Equisetum telmateia Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch Comment
  UC810419  Equisetum telmateia subsp. braunii L. Koch 1938-5-24 58 Sonoma 2 mi e Glen Ellen (canyon off Rutherford Rd.) Comment
  HSC24598  Equisetum telmateia subsp. braunii F. Demostene 1966-4-12 46 Sonoma 25 mi. W of Healdsburg. Comment
  CAS-BOT-BC173850  Eragrostis cilianensis Peter Rubtzoff 1956-9-14 2863 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC284189  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1961-8-25 4720 Sonoma Forest Hills east of Guerneville, Russian River Comment
  CAS-BOT-BC131606  Ericameria arborescens Greg de Nevers 1990-10-2 9683 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road, Devils Kitchen 457 Comment
  UC1299284  Ericameria arborescens Freed W. Hoffman 1946-10-25 1239 Sonoma Wild Hog Ridge between Palmer and Porte Creeks North Coast Ranges, Wild Hog Ridge (metamorphosed sandstone, near Guernville) 457 Comment
  JEPS86762  Ericameria arborescens Jack and Betty Guggolz 1990-9-25 1096 Sonoma 1.5 mi se Warm Springs Dam (1/8 mi ne of the dam of the large reservoir on Harry Merlo's property) 198 Comment
  CAS-BOT-BC366902  Erigeron Greg de Nevers 1997-8-17 11078 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  UC895888  Erigeron biolettii Marcus E. Jones, A. M. 1882-7-17 3620 Sonoma Duncan's Mills Comment
  CAS-BOT-BC293625  Erigeron biolettii Milo S. Baker 1948-7-27 12079 Sonoma Near summit of Hood Mt. 792 Comment
  HSC2227  Erigeron canadensis Roxana S. Ferris 1937-8-18 9369 Sonoma Dunes near mouth of Salmon Creek on Bodega Bay Comment
  POM40204  Erigeron glaucus Marcus E. Jones 1882-7-17 3622 Sonoma Duncan's Mills. Comment
  SEINET7067253  Erigeron glaucus A. G. Vestal 1947-5-13 s.n. Sonoma South Sonoma Coast, about 1.3 miles north of Salmon Creek on Route 1. Coordinate datum: NAD27. Comment
  CAS-BOT-BC371470  Erigeron inornatus Greg de Nevers 1993-8-7 10480 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  POM40212  Erigeron inornatus var. biolettii Marcus E. Jones 1882-7-17 3620 Sonoma Duncan's Mills. Comment
  CAS-BOT-BC300247  Erigeron reductus var. angustatus Catherine Best 1981-6-5 s.n. Sonoma Bohemian Hwy. 3 miles north of Occidental Comment
  CDA11915  Eriodictyon californicum G. F. Hrusa, G. L. Stebbins 1994-4-8 11733 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, Cavedale Rd. approx. 2.7 m E of Hwy 12. Comment
  UC1299125  Eriodictyon californicum Freed W. Hoffman 1947-5-30 524 Sonoma Layton Mine, East Austin Creek East Austin Creek; Layton Mine, East Austin Creek Comment
  SD6690  Eriodictyon californicum unknown 1880-6-14 Sonoma Near Sonoma Comment
  SEINET12327812  Eriodictyon californicum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -075 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 107 Comment
  RSA339415  Eriogonum cedrorum Roger Raiche 1984-6-23 40235 Sonoma The Cedars, north of Cazadero, headwaters of East Austin Creek, area called Red Slide. 549 Comment
Read comments
Oct 17 2013
  UCD158782  Eriogonum compositum var. compositum James A. Neilson Jr. 1974-6-1 2775 Sonoma Mayacmas Mountains, Geyser Rock, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  CAS-BOT-BC259256  Eriogonum latifolium John Thomas Howell 1930-7-27 5413 Sonoma 4 miles north of Bodega Bay Comment
  CAS-BOT-BC259262  Eriogonum latifolium P. A. Munz 1936-8-7 14305 Sonoma 2 mi. north of Bodega Comment
  UC534933  Eriogonum latifolium Mrs. H. P. Bracelin 1930-7-27 24 Sonoma 2 mi n Bodega Comment
  SD22291  Eriogonum latifolium John Thomas Howell 1930-7-27 5413 Sonoma Marine bluff, 4 miles north of Bodega Bay Comment
  CAS-BOT-BC259472  Eriogonum luteolum Margaret J. Williams; Wayne Roderick 1978-7-16 78- 228 -2 Sonoma Near Occidental Comment
  UC6525  Eriogonum luteolum var. luteolum Alice King Oct. 1896 Sonoma Healdsburg Comment
  CAS-BOT-BC261696  Eriogonum nudum var. nudum Peter Rubtzoff 1951-8-26 676 Sonoma South of Guerneville (Neeley Hill area) Comment
  UCD100603  Eriogonum nudum var. nudum K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC261686  Eriogonum nudum var. nudum Walter Knight; Irja Knight 1963-9-1 132 Sonoma Sulphur Creek Rd, 1 mi from US 101, Cloverdale Comment
  CAS-BOT-BC269749  Eriogonum nudum var. oblongifolium Peter Rubtzoff 1952-6-1 1133 Sonoma Fitch Mtn. Grove, nr. Healdsburg Comment
  CAS-BOT-BC253068  Eriogonum roseum Helen D. Geis 1902-8-1 s.n. Sonoma Russian River bed Comment
  CAS-BOT-BC262386  Eriogonum vimineum Greg de Nevers 1986-9-10 8110 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC300356  Eriophyllum John H. Thomas 1955-5-22 5193 Sonoma Graton - Occidental Road, about 3.5 miles west of Occidental 60 Comment
  SBBG20895  Eriophyllum lanatum A. I. Richardson 1961-5-16 18 Sonoma Sweetwater Springs Rd, 1 mi beyond turn to Armstrong Redwoods State Park, N of Guerneville Comment
  CAS-BOT-BC301150  Eriophyllum lanatum var. achilleoides F. G. Krauss 1893-10-8 s.n. Sonoma Krauss Ranch Comment
  CAS-BOT-BC301151  Eriophyllum lanatum var. achilleoides F. G. Krauss 1893-10-8 s.n. Sonoma Krauss Ranch Comment
  CAS-BOT-BC301157  Eriophyllum lanatum var. achilleoides Roxana S. Ferris; Laura Lorraine 1961-6-14 13524 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  UC196201  Eriophyllum lanatum var. achilleoides A. A. Heller 1902-6-26 Sonoma along creek at foot of Mt. Hood; , Sonoma Creek Comment
  UC494110  Eriophyllum lanatum var. achilleoides H. E. and S. T. Parks 1930-5-10 837 Sonoma Knights Valley Comment
  POM256520  Eriophyllum lanatum var. arachnoideum H. L. Mason 1934-4-28 8096 Sonoma Jansen Ranch, at head of Dohrman Creek, four miles west of Healdsburg Comment
  UCD103019  Erodium botrys Frederica Bowcutt 1994-5-1 1796 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon S of Sonoma Creek about 150 yards, 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge Campground. 350 Comment
  JEPS117126  Erodium botrys Peter Warner 2010-3-29 119 Sonoma 1670 Bloomfield Road, approx. 3 km S of center Sebastopol, throughout property. Comment
  UCD103118  Erodium brachycarpum Frederica Bowcutt 1996-5-19 2123 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 Mountain trail. 426 Comment
  UC66138  Erodium moschatum A. A. Heller 1902-3-26 5159 Sonoma Santa Rosa Comment
  RSA178011  Erodium moschatum Robert F. Thorne 1965-4-19 34264 Sonoma Cotati, Waters Ranch 30 Comment
  CDA20983  Eryngium aristulatum G. F. Hrusa 1997-7-5 14010 a Sonoma North Coast Biodiversity Arena; Small vernal pool approx. 200 m. W of Hwy 128 in drainage of Blossom Creek, 2 km. NW of Tubbs Lane int. Comment
  UCSC000705  Eryngium aristulatum B. Bufford 1937-6-19 s.n. Sonoma near East Windsor East Windsor - Healdsburg 30 Comment
  UC1365624  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1966-4-17 5682 Sonoma e. Graton (between Occidental and Guerneville rds., Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  RSA93411  Eryngium aristulatum var. aristulatum Milo S. Baker 1954-8-12 13036 Sonoma Coney Lake Kenwood on Coney Ranch Comment
  POM180619  Eryngium armatum J. T. Howell 1930-6-8 5295 Sonoma 4 miles north of Bodega Bay Comment
  SD88504  Eryngium armatum Darley F. Howe 1972-6-27 Sonoma Near Pitkin Marsh. Comment
  SEINET5342589  Erysimum concinnum A. A. Heller, H. E. Brown 1902-5-27 5607 Sonoma Bodega Bay. Comment
  CAS-BOT-BC383040  Erythranthe arvensis David B. Lowry 2005-5-9 CVP Sonoma Along Coleman Valley Road, within view of the Pacific Ocean 224 Comment
  CAS-BOT-BC153623  Erythranthe inodora Peter Rubtzoff 1955-7-9 1945 Sonoma Forestville Marsh 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
  CAS-BOT-BC403702  Eschscholzia californica Alice Eastwood 1899-1-1 s.n. Sonoma Bodega Point Comment
  UC10024  Eschscholzia californica Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UC1299665  Eschscholzia californica Freed W. Hoffman 1947-6-4 530 Sonoma Red Slide North Coast Ranges, East Austin Creek (headwaters of creek) Comment
  RSA135387  Euonymus occidentalis Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  SD58446  Euonymus occidentalis M. E. Ferguson, Van E. Ferguson 8-10 Jun 1919 249 Sonoma Between Guerneville and Monte Rio. Comment
  RSA90501  Euonymus occidentalis Keith Wagnon 1939-05 220 Sonoma Along Jonive Creek about 1/8 mile NE of Wagnon Ranch, 5 mile W of Sebastopol. Comment
  CAS-BOT-BC376389  Euphorbia Greg de Nevers 1993-4-27 10405 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley School Road. 400 Comment
  RSA0020337  Euphorbia Peter Rubtzoff 1969-8-29 6180 Sonoma Forest Hills, 5.5 mi east of Guerneville, at 9981 Old River Road. Comment
  UCD77520  Euphorbia nutans Robert E. Preston 1999-11-9 1253 Sonoma Along Petaluma Hill Rd, 0.25 mi S of Yolanda Drive, ca. 1.2 mi S of Sonoma Co. fairgrounds, Santa Rosa. 42 Comment
  CDA14897  Euphorbia oblongata M. Vernon 1986-6-13 Sonoma SW corner of Bodega Avenue and Bantam Way, Petaluma. 0 Comment
  CDA35308  Euphorbia spathulata Rod Kerr & Ron Eng 1993-5-7 Sonoma Santa Rosa; 5357 Bennett Valley Road. 0 Comment
  UCR255678  Euthamia occidentalis Greg de Nevers 2002-9-9 12841 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 366 Comment
  CAS-BOT-BC239717  Fabaceae Walter Knight; Irja Knight 1990-5-1 6590 Sonoma Joost Road on east side of Calistoga Road between Gates and Alpine roads 182 Comment
  CAS-BOT-BC371457  Festuca Greg de Nevers 1989-4-1 9062 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC384609  Festuca Greg de Nevers 1989-4-1 9068 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC422362  Festuca Peter Rubtzoff 1974-5-25 7455 Sonoma Upper Green Valley Marsh. Comment
  UCR248731  Festuca arundinacea Peter Rubtzoff 1962-5-11 4823 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  UCD151103  Festuca californica James A. Neilson Jr. 1973-6-3 2961 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC283188  Festuca californica subsp. californica G. DeNevers 1981-5-15 1172 Sonoma N arm of Garrison Canyon, Pepperwood Ranch Comment
  RSA93405  Festuca idahoensis Milo S. Baker 1945-06 10921 Sonoma Spring Mountain Road, halfway to summit. Comment
  UCD66122  Festuca occidentalis P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  CAS-BOT-BC278888  Festuca occidentalis K. Wagnon 1939-5-14 195 Sonoma Near Wagnon home about five miles west of Sebastopol Comment
  UCR248743  Festuca octoflora Peter Rubtzoff 1976-6-5 8588 Sonoma North Coast Ranges, False Lake Meadow area, Annadel State Park 244 Comment
  UC767091  Festuca rubra R. F. Hoover 1941-5-14 5088 Sonoma 2 mi s Monte Rio (on road to Camp Meeker) Comment
  CAS-BOT-BC353382  Filago Peter Rubtzoff 1972-6-29 6801 Sonoma Laguna, Chileno Valley. Comment
  RSA177900  Filago californica R. F. Thorne 1965-4-20 34352 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  CHSC3920  Fragaria chiloensis A. K. Revard 1967-3-19 1 Sonoma On cliff, ca. 6 ft. w of Hyw. 1, and ca. 1/4 mi. s of Miwok Beach. 10 Comment
  CAS-BOT-BC223379  Fraxinus dipetala John H. Thomas 1976-6-18 18364 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville Comment
  RSA223348  Fraxinus latifolia Peter Rubtzoff 1964-6-20 5364 Sonoma Laguna de Santa Rosa southeast of Sebastopol near Cooper Road Comment
  UC1299213  Fremontodendron californicum subsp. californicum Freed W. Hoffman 1950-5-24 3591 Sonoma The Island, head of Devil Creek, a branch of East Austin Creek head of Devil Creek; North Coast Ranges, head of Devil Creek Comment
  UC1299214  Fremontodendron californicum subsp. californicum Freed W. Hoffman 1948-6-16 2698 Sonoma North Coast Ranges, Red Slide, upper East Austin Creek East Austin Creek; North Coast Ranges, Red Slide, upper East Austin Creek Comment
  CAS-BOT-BC130185  Fritillaria affinis Elmer I. Applegate 1934-3-25 8861 Sonoma Pine Flat region, west slope of the [Mayacama] Mayacmas range Comment
  UC429298  Fritillaria affinis J. Burtt Davy 1896-3-16 1682 Sonoma Cazadero 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
  UC197239  Fritillaria recurva Michener and Bioletti April 1892 Sonoma Hoods Peak Comment
  CAS-BOT-BC508139  Fritillaria recurva John Thomas Howell 1934-3-26 11782 Sonoma Southwestern base of Mt. Hood Comment
  RSA304275  Fritillaria recurva James R. Shevock 1972-3-28 1485 Sonoma Highway 128, north of Cloverdale 91 Comment
  JEPS111397  Galium andrewsii subsp. andrewsii Jack and Betty Guggolz 1997-5-31 1521 Sonoma South Pine Flat 683 Comment
  RSA264725  Galium aparine Peter Rubtzoff 1955-5-21 1862 Sonoma Forestville Marsh. Comment
  SD88433  Galium aparine Darley F. Howe 1972-4-30 Sonoma South of Bodega Bay Comment
  JEPS15257  Galium californicum subsp. californicum Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5670 Sonoma nr Layton Chromite Mine (along creekbed, headwaters of creek); Big Austin Creek, vicinity of The Cedars 266 Comment
  JEPS52892  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3902 Sonoma 4.8 mi n Cazadero (on King Mt. Rd.) Comment
  HSC19831  Galium divaricatum Leo Koch 1940-6-12 1014 Sonoma Behind Fountaingrove Vineyard, 3 mi. N of Santa Rosa along Hwy. 101 Comment
  UC353828  Galium divaricatum Milo S. Baker 1927-5-7 2127 Sonoma slope above Maple Glen; Mt. Hood Region Comment
  UC421566  Galium porrigens var. porrigens John Thomas Howell 1929-6-9 4297 Sonoma 2 mi n Sonoma Comment
  UC201102  Galium tricornutum Katharine Brandegee Sonoma Sebastopol Comment
  UCD121945  Galium triflorum Frederica Bowcutt 1984-6-23 428 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. Immed. SW of park entrance, W of Hwy 1 and NW of Gerstle Cove along park road. 30 Comment
  CAS-BOT-BC303507  Gamochaeta ustulata Walter Knight; Irja Knight 1963-8-13 316 Sonoma Horseshoe Cove Comment
  RSA94010  Gamochaeta ustulata Peter Rubtzoff 1951-7-8 398 Sonoma Pitkin Marsh, near Forestville: Lower part of Upper Marsh Comment
  CAS-BOT-BC182164  Garrya fremontii Walter Knight; Irja Knight 1963-12-27 466 Sonoma Summit, Pine Flat Rd. Comment
  JEPS23940  Garrya fremontii Milo S. Baker 1946-2-9 11263 Sonoma Hope Valley Kenwood Region (near Chamberlain Place) Comment
  HSC101100  Gastridium phleoides Peter Warner 2011-8-10 229 Sonoma Jenner Headlands property, Muniz Ranch Rd., about 0.5 mi. N from Hwy. 1 intersection. 55 Comment
  RSA0022353  Gastridium phleoides Peter Rubtzoff 1970-9-2 6366 Sonoma Russian River bottom at Mirabel Park. Comment
  UCD66592  Gastridium phleoides Collector Unknown 1941-5-1 Sonoma Trinity Road. Comment
  CAS-BOT-BC320464  Gastridium ventricosum Peter Rubtzoff 1974-6-2 7527 Sonoma Upper Green Valley Marsh. Comment
  UC571061  Gaultheria shallon H. L. Mason 1928-4-8 4294 Sonoma 2 mi n of Fort Ross (along coast) Comment
  UC1191687  Gentiana sceptrum Herbert L. Mason 1946-7-4 12891 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  RSA98558  Gentiana sceptrum G. Thomas Robbins 1938-6-23 268 Sonoma On Pitkin Ranch, Vine Hill region, ca. ten miles west of Santa Rosa. Comment
  UC571127  Geranium core-core H. L. Mason 1928-4-7 4276 Sonoma mouth of Russian River, Jenner Jenner; Russian River, Jenner Comment
  UCD168062  Gilia James Neilson 1977-8-10 3955 Sonoma Mayacmas Mountains. Klau Mine, Apple Tree Ck at the 'Orchard'. Turner Flat. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC225279  Gilia capitata subsp. chamissonis Peter Rubtzoff 1960-5-18 4384 Sonoma Bodega Harbor Marsh Comment
  CAS-BOT-BC225283  Gilia capitata subsp. chamissonis A. A. Heller; H. E. Brown 1902-5-27 5616 Sonoma Bodega Bay Comment
  POM179724  Gilia capitata subsp. chamissonis J. T. Howell 1930-6-8 5272 Sonoma North end of Bodega Bay. Comment
  UC931995  Gilia capitata subsp. chamissonis Verne Grant, Alva Grant 1948-7-7 8598 Sonoma eleven mi n Bodega (sand dunes near highway 1); n of Bodega Comment
  CAS-BOT-BC226167  Gilia capitata subsp. tomentosa John Thomas Howell 1930-6-8 5265 Sonoma 1 mile east of Bodega Bay Comment
  UCD117852  Gilia millefoliata P. G. Connors 1992-4-28 243 Sonoma Bodega Marine Laboratory, in Old North Dune. Comment
  UCD160144  Gilia tricolor James A. Neilson Jr. 1974-4-16 2871 Sonoma Mayacmas Mountains. Sulphur bank number 13. (Elevation estimated using Google Earth by label maker.) 487 Comment
  RSA83062  Gilia tricolor Verne Grant, Alva Grant 1946-03 7850 Sonoma Near Cloverdale Comment
  UCD15040  Gilia tricolor James Aronson 1977-4-15 14 Sonoma California, Sonoma Co.; 10.4 miles west of intersection with Dutcher Creek Road, along Skaggs Springs Road; Comment
  UC932018  Gilia tricolor subsp. tricolor Verne Grant, Alva Grant March 1946 7850 Sonoma near Cloverdale; near Cloverdale Comment
  UC1299519  Gilia tricolor subsp. tricolor Freed W. Hoffman 1947-4-3 879 Sonoma near Guerneville (headwaters of Fife Creek on road to Austin Ranch); North Coast Ranges, Fife Creek, near Guerneville Comment
  CAS-BOT-BC266478  Githopsis diffusa Milo S. Baker 1926-1-1 237 A Local Sonoma Side canyon above Kenwood Springs Comment
  CAS-BOT-BC435014  Glinus lotoides Peter Rubtzoff 1966-9-25 5825 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  SEINET10717792  Glyceria P. Rubtzoff, Arnaud, P. 1966-5-29 Rubtzoff 5739 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road crossing). Comment
  RSA337036  Glyceria declinata Paul But, Peter Rubtzoff 1974-4-6 1005 Sonoma In Kenwood Marsh. Comment
  CAS-BOT-BC282728  Glyceria elata Peter Rubtzoff 1951-6-10 204 Sonoma South of the Upper Marsh, Pitkin Marsh near Forestville Comment
  RSA227240  Glyceria leptostachya Peter Rubtzoff 1962-5-30 4850 Sonoma Freestone Marsh. Comment
  UCR280126  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5384 Sonoma Coleman Marsh 269 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-BC166907  Gnaphalium chilense Peter Rubtzoff 1962-9-22 5096 Sonoma Vacation Beach, 2 miles below Guerneville. Comment
  CAS-BOT-BC166936  Gnaphalium chilense Peter Rubtzoff 1955-8-14 2052 Sonoma Forestville Marsh. Comment
  POM232045  Gnaphalium chilense Roxana S. Ferris 1937-8-18 9375 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC302685  Gnaphalium palustre A. A. Heller 1902-6-10 5684 Sonoma Santa Rosa Comment
  CAS-BOT-BC302695  Gnaphalium palustre Peter Rubtzoff 1958-7-5 3736 Sonoma Atascadero Creek Marsh. Comment
  UCR279629  Gnaphalium palustre Peter Rubtzoff 1962-10-23 5126 Sonoma Atascadero Creek Marsh 29 Comment
  CAS-BOT-BC166786  Gnaphalium palustre Peter Rubtzoff 1962-10-23 5126 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC261650  Gratiola Peter Rubtzoff 1969-6-14 6083 Sonoma Vernal pool, 6.5 miles northeast of Penngrove on Lichau Road 426 Comment
  CAS-BOT-BC261651  Gratiola Peter Rubtzoff 1972-4-23 6730 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UCD166172  Gratiola Peter Rubtzoff 1969-6-14 6083 Sonoma Vernal pool, 6.5 miles northeast of Penngrove on Lichau Road. 426 Comment
  CAS-BOT-BC251313  Gratiola ebracteata Peter Rubtzoff 1958-4-26 3596 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  RSA785928  Grindelia Peter Rubtzoff 1971-6-10 6533 Sonoma Laguna de Santa Rosa E of Graton, between Occidental and Guerneville Roads. Comment
  UCD148466  Grindelia camporum Peter Rubtzoff 1963-7-14 5205 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  CAS-BOT-BC305175  Grindelia hirsutula F. T. Bioletti 1891-1-1 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC305182  Grindelia hirsutula Marcus E. Jones 1931-7-5 29142 Sonoma The Geysers Comment
  CAS-BOT-BC305200  Grindelia hirsutula D. E. Breedlove 1980-6-27 44780 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC305201  Grindelia hirsutula D. E. Breedlove 1980-6-28 44811 Sonoma Pepperwood Ranch W of Knights Valley Comment
  SBBG45076  Grindelia hirsutula H. E. and S. T. Parks -Nov-1929 411 Sonoma Tubbs Island, sea level Comment
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Feb 9 2015
  UC32138  Grindelia hirsutula F. T. Bioletti 1891-1 Sonoma Glen Ellen Comment
  CAS-BOT-BC305192  Grindelia hirsutula Walter Knight; Irja Knight; Tiffany Knight 1985-7-21 6349 Sonoma Pine Flat Road. Between Jimtown and Geothermal area Comment
  SEINET3142907  Grindelia hirsutula M. P. Dunford 1959-10-3 559 Sonoma 1.8 mi. NE of Mark West Springs on Mark West Road Comment
  CDA2098  Hainardia cylindrica Gordon Leppig 2000-5-6 1345 Sonoma Austin Creek State Recreation Area, Austin Creek Trail Comment
  CAS-BOT-BC302256  Harmonia nutans J. Clausen 1935-5-23 1073 Sonoma 0.3 mi. N. of entrance to Petrified Forest Comment
  JEPS18182  Harmonia nutans Rimo Bacigalupi with Robbins and Chisaki 1956-4-17 5587 Sonoma along road 3.7 mi e beginning of Ida Clayton Rd. on Kellogg Valley side ((jct. with State rd. 128)); Mayacamas Range 685 Comment
  CAS-BOT-BC306325  Hedypnois cretica G. DeNevers 1981-5-26 1330 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  UC750807  Helenium bigelovii Charles B. Heiser Jr. 1946-5-19 1746 Sonoma Vine Hill Region Pitkin Marsh Comment
  UCD132741  Helenium bigelovii Charles B. Heiser Jr. 1946-5-19 1746 Sonoma Vine Hill region, Pitkin Marsh Comment
  CAS-BOT-BC306765  Helenium bigelovii Milo S. Baker 1927-6-9 2217 b Sonoma About Kenwood Comment
  RSA800282  Helenium puberulum Peter Rubtzoff 1957-8-18 3524 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCR30567  Helenium puberulum John C. Roos 1948-8-28 3957 Sonoma North Coast Ranges, Barrel Spring, Mill Creek, near Healdsburg 152 Comment
  CAS-BOT-BC262953  Helenium puberulum Peter Rubtzoff 1959-9-12 4260 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC314738  Helianthella californica var. californica Roger Raiche 1985-4-6 50176 Sonoma West of Healdsbrug, ridge on west side of Dry Creek Valley north of Dorman Canyon to Bradford Mt. area 243 Comment
  RSA74081  Helianthemum scoparium var. vulgare Anonymous 1947-5-12 11765 Sonoma South slope of Sugar Loaf Peak of Hood Mt. 457 Comment
  CAS-BOT-BC305993  Hemizonia David D. Keck; J. Clausen 1935-6-15 3371 Sonoma 1 mile north of mouth of Salmon Creek Comment
  UCD165329  Hemizonia Peter Rubtzoff 1973-8-27 7260 Sonoma Upper Green Valley Marsh area. Comment
  UCD166184  Hemizonia Peter Rubtzoff 1969-7-25 6122 Sonoma Vernal pool area, 6.5 mi northeast of Penngrove on Lichau Road. 427 Comment
  UCD166490  Hemizonia Peter Rubtzoff 1958-8-23 3921 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC257145  Hemizonia Peter Rubtzoff 1963-7-14 5206 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  RSA796178  Hemizonia Peter Rubtzoff 1966-8-18 5791 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol Comment
  UCD166113  Hemizonia Peter Rubtzoff 1972-5-21 6746 Sonoma Atascadero Creek Marsh and nearby slopes. Comment
  CAS-BOT-BC371471  Hemizonia congesta Greg de Nevers 1993-8-7 10483 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa near barn 400 Comment
  CDA36844  Hemizonia congesta 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
  POM179723  Hemizonia congesta J. T. Howell 1930-6-8 5216 Sonoma 8 miles west of Petaluma on Bodega Road. Comment
  RSA81675  Hemizonia congesta James I. McMurphy 1909-5-30 s.n. Sonoma Between Windsor and Healdsburg. Comment
  CAS-BOT-BC306158  Hemizonia congesta subsp. clevelandii James I. McMurphy 1909-8-9 709 Sonoma One mile south of Sonoma Comment
  CAS-BOT-BC306179  Hemizonia congesta subsp. congesta 1909-6-20 s.n. Sonoma Fulton Comment
  UC193422  Hemizonia congesta subsp. congesta H. M. Hall 1916-6-23 10241 Sonoma twelve km n Petaluma 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
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Sep 10 2008
  CAS-BOT-BC309675  Hemizonia congesta subsp. lutescens David D. Keck 1933-11-6 2649 Sonoma 2.5 mi. N. of Occidental Comment
  CAS-BOT-BC309692  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-8 701 c Sonoma Leddy Station between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC309726  Hemizonia congesta subsp. lutescens Roxana S. Ferris; Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UC1069547  Hemizonia congesta subsp. lutescens H. S. Yates 1937-5-30 6553 Sonoma 1 1/2 mi e Occidental; Sebastopol Quadrangle 91 Comment
  UC1392842  Hemizonia congesta subsp. lutescens R. F. Hoover 1969-8-31 11567 Sonoma near Petaluma; Adobe Road and Casa Grande Road Comment
  UC89773  Hemizonia congesta subsp. lutescens A. A. Heller 1902-8-20 6054 Sonoma Lagoon at Sebastapol Comment
  CAS-BOT-BC309667  Hemizonia congesta subsp. lutescens J. McMurphy 1909-7-10 504 Sonoma 4 miles north of Cloverdale Comment
  CAS-BOT-BC309712  Hemizonia congesta subsp. lutescens Catherine Best 1981-6-5 s.n. Sonoma Hwy. 1, one mile north of Jenner Comment
  UCD132988  Hemizonia congesta subsp. lutescens D. H. Hartmann; H. T. Hartmann 1941-8-24 s.n. Sonoma 3 miles west of Petaluma. Comment
  UCD135802  Hemizonia congesta subsp. lutescens Bruce G. Baldwin 1986-10-29 645 Sonoma 0.3 mile south of junction with California State Highway 116 along Lakeville Road. Comment
  JEPS119429  Hemizonia congesta subsp. luzulifolia Anne Howald 2011-8-28 2806 Sonoma North Coast Ranges, Sonoma Valley, Glen Ellen area, entrance road to Sonoma Valley Regional Park, 0.1 mi. west of Hwy 12 Comment
  RSA791599  Hemizonia congesta subsp. luzulifolia A. Howald 2011-8-28 2804 Sonoma North Coast Ranges: west slope of Mayacamas Mountains, Los Alamos Road at Cougar Lane, 2.3 miles east of intersection Hwy 12 329 Comment
  SD239596  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2804 Sonoma North Coast Ranges: west slope of Mayacamas Mountains, Los Alamos Rd. at Cougar Lane, 2.3 miles east of intersection Hwy 12. 328 Comment
  CAS-BOT-BC309948  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1966-8-23 9918 Sonoma Mark West Creek, on Santa Rosa-Calistoga road near junction of St. Helena Road Comment
  RSA159436  Hemizonia lutescens James I. McMurphy 1909-8-8 701 -B Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  RSA81599  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-5-29 s.n. Sonoma Grade, ridge S of the Geysers. Comment
  UC174206  Heracleum lanatum Katharine Brandegee June, 1905 Sonoma Bodega Comment
  CAS-BOT-BC310186  Hesperevax sparsiflora var. brevifolia John H. Thomas 1976-6-15 18266 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  LA6482  Hesperocyparis goveniana Milo S. Baker; March 1933 7562 Sonoma near summit of Harrison's Grade near Occidental Comment
  OBI7228  Hesperocyparis sargentii Robert F. Hoover 1968-2-23 10895 Sonoma Harrison Grade road near summit Comment
  SD40697  Hesperocyparis sargentii Carl B. Wolf, E. R. Johnson 1934-10-13 Sonoma 2 miles from Occidental, Coys Ranch 89 Comment
  CAS-BOT-BC176030  Hesperolinon clevelandii Milo S. Baker 1947-5-7 11743 Sonoma Southwest slope of Hood Mt. above Baker Ranch 213 Comment
  UC903717  Hesperolinon clevelandii Milo S. Baker 1947-5-7 11743 Sonoma sw slope just above Baker ranch; Hood Mt. 213 Comment
  UC1212399  Hesperolinon spergulinum Milo S. Baker 1947-7-15 11867 Sonoma ca 2 mi ne Occidental; Harrisons Grade Comment
  UC762263  Hesperolinon spergulinum Robert F. Hoover 1941-6-7 5317 Sonoma 2 mi se Monte Rio (on road to Camp Meeker) Comment
  UCD110528  Hesperolinon spergulinum Frederica Bowcutt 1994-6-24 1882 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Lower Bald Mountain Trail. 396 Comment
  UCD19305  Hesperomecon linearis Terry Reedy 1974-5-11 211 Sonoma Bodega Head, sand dunes. 13 Comment
  CAS-BOT-BC371405  Heterocodon rariflorum Greg de Nevers 1993-4-29 10418 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Devils' Kitchin. 457 Comment
  RSA534490  Heterocodon rariflorum Peter Rubtzoff 1969-6-14 6076 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  CAS-BOT-BC149838  Heteromeles arbutifolia Saichi Kawahara 1968-4-20 327 Sonoma Trinity Road, 1 mile northeast of Highway 12 152 Comment
  RSA0045175  Heterotheca oregona Greg de Nevers 1996-10-20 10890 Sonoma Pepperwood Ranch Natural Reserve. 3450 Franz Valley Road. 91 Comment
  CAS-BOT-BC311161  Heterotheca sessiliflora subsp. bolanderi John Thomas Howell 1930-7-13 5342 Sonoma Black Point Road Comment
  UCD102637  Heuchera micrantha Frederica Bowcutt 1996-5-23 2147 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. Toe of Sugarloaf Ridge, just S of campground. Comment
  CAS-BOT-BC420944  Heuchera micrantha var. diversifolia G. DeNevers 1981-5-9 1083 Sonoma Pepper wood Ranch Comment
  CAS-BOT-BC319709  Hieracium albiflorum Volney Rattan 1877-6-15 s.n. Sonoma Guerneville Comment
  CDA31348  Hieracium albiflorum D. G. Kelch, Ed Biffin 2010-5-3 10 .196 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCD105868  Hoita macrostachya Frederica Bowcutt 1994-6-24 1903 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Meadow Creek at seasonal creek crossing near trail head. 396 Comment
  NY11970  Hoita villosa A. A. Heller 1902-6-24 5761 Sonoma Near Burke's Sanitarium Comment
  UC573681  Holcus lanatus H. S. Yates 1936-5-16 5595 Sonoma 2 mi se Forestville (<Pitkin Marsh>); Sebastopol Quad. Comment
  UC76910  Holcus lanatus Michener and Bioletti 1892-7-5 Sonoma Skaggs Springs Comment
  UCD81355  Holcus lanatus Frederica Bowcutt 1994-6-12 1852 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon along Pony Gate Trail along east west trending stretch before entering oak woodland, out of view of kiosk and campground. 420 Comment
  UCD148461  Holocarpha Peter Rubtzoff 1963-8-24 5245 Sonoma 2.5 miles north of Sebastopol. Comment
  CAS-BOT-BC320403  Holocarpha virgata Milo S. Baker 1945-7-17 11106 Sonoma Field S of Guerneville Hiwy about 6 mi from Santa Rosa Comment
  CAS-BOT-BC152387  Holodiscus discolor var. discolor Rattan 1877-6-12 s.n. Sonoma Guerneville Comment
  JEPS128298  Holodiscus dumosus var. cedrorum Roger Raiche 2010-6-16 022 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128299  Holodiscus dumosus var. cedrorum Roger Raiche 2010-6-16 021 .10 Sonoma The Cedars, Campbell Ranch. Lower Russian River, Big Austin Creek watershed. Comment
  UC990581  Holozonia filipes James I. McMurphy 1909-8-18 704 Sonoma Kenwood Comment
  RSA523929  Holozonia filipes R. C. Bacigalupi, Peter Rubtzoff 1976-8-6 s,n, Sonoma Knights Valley. Ffat off S side of Bavarian Lion Company ranch road (between it and a creek), 1-1.5 miles W of its junction with Franz Valley Road. (0.4 mile S of Hwy 128). Comment
  CAS-BOT-BC289283  Hordeum brachyantherum subsp. brachyantherum Walter Knight; Irja Knight; J. T. Howell 1987-5-22 6271 Sonoma Todd Road Preserve 24 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
  UCD85530  Hordeum brachyantherum subsp. californicum Roxana S. Ferris; Laura Lorraine 1961-6-14 13545 Sonoma Junction of Occidental Road with Facendini Lane. Comment
  CHSC8222  Hordeum murinum subsp. glaucum K. Henegar 1969-5-10 46 Sonoma Schooner Gulch, 200 yds s on Highway 1. Found on ocean side of road. Comment
  RSA128792  Hordeum vulgare P. H. Raven 1950-4-6 1556 Sonoma Cotati to Santa Rosa. 30 Comment
  UC1011010  Hordeum vulgare Virginia Bufford 1935-4-23 22 Sonoma back of barn (Santa Rosa); Santa Rosa Comment
  UC72982  Horkelia californica Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  UC903149  Horkelia californica Ethel Crum 1930-6-8 753 Sonoma 8 mi n Bodega Bay Comment
  CAS-BOT-BC146523  Horkelia tenuiloba John Thomas Howell 1945-5-30 20909 Sonoma Vine Hill School Comment
  CDA11293  Horkelia tenuiloba G. F. Hrusa 1994-6-14 11889 Sonoma North Coast Biodiversity Arena; W of Hogback Mtn. Point of main ridge separating headwaters of Nathanson Creek and Agua Caliente Creeks. Comment
  RSA118025  Horkelia tenuiloba J. T. Howell 1955-6-2 30258 Sonoma Near Vine Hill School Comment
  RSA731317  Horkelia tenuiloba Chris K. Kjeldsen, Daniel T. Kjeldsen 2005-10-4 1885 Sonoma Coast Ranges: Russian River watershed, Bohemian Grove, N of Camp Meeker and Tyrone off Bohemian Highway. 128 Comment
  UC353821  Horkelia tenuiloba Milo S. Baker 1928-6-28 3197 b Sonoma Pitkin Farm, upland Vine Hille District Comment
  JEPS40568  Horkelia tenuiloba E. Crum 1931-5-1 1091 Sonoma near Sebastopol School Comment
  UCD106021  Hosackia gracilis P. B. Kennedy 1915-5-28 s.n. Sonoma Northern part of county, Del Mar. Comment
  UCR252997  Hosackia oblongifolia var. oblongifolia Peter Rubtzoff 1974-6-2 7503 Sonoma Upper Green Valley Marsh Comment
  UCD128230  Hydrocotyle ranunculoides David E. Bayer 1960-9-29 s. n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC540825  Hypericum Peter Rubtzoff 1969-7-21 6115 Sonoma Guerneville Marsh, Pocket Canyon area. Comment
  CAS-BOT-BC400996  Hypericum anagalloides Peter Rubtzoff 1951-6-16 226 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  UC19034  Hypericum concinnum H. N. Bolander 1864-1 3948 Sonoma at the Geysers Comment
  CAS-BOT-BC401325  Hypericum scouleri Volney Rattan 1877-6-26 s.n. Sonoma Geysers Comment
  CAS-BOT-BC316678  Hypochaeris glabra Peter Rubtzoff 1952-5-31 1101 Sonoma Upper Marsh Comment
  CAS-BOT-BC316684  Hypochaeris glabra G. DeNevers 1981-4-20 766 Sonoma Pippendale farm beween Studio and the ridge top, Pepperwood Ranch Comment
  RSA790604  Hypochaeris glabra Peter H. Raven 1950-4-6 1579 Sonoma Cotati to Santa Rosa. 152 Comment
  CAS-BOT-BC316713  Hypochaeris radicata W. R. Dudley 1896-9-20 s.n. Sonoma Tomales Point Comment
  SBBG21186  Hypochaeris radicata V. Haraden 1941-7-13 9 Sonoma ca. 1 mi N of head of Bodega Bay Comment
  CAS-BOT-BC257366  Iris Peter Rubtzoff 1964-6-3 5343 Sonoma Bodega Bay Marsh. Comment
  UC1084479  Iris douglasiana G. Thomas Robbins 1938-4-15 252 Sonoma about 2.5 mi e Bodega Comment
  SEINET3875269  Iris douglasiana Janet McIntosh 1966-4-27 24 Sonoma Ca. 1000 feet from shore; State Highway 1, 5 miles North of Jenner, Sonoma County, California.; 0 Comment
  RSA135876  Iris fernaldii Lee W. Lenz, E. K. Balls 1951-5-3 16408 Sonoma Between Kellogg and Alexander Valley, Maacama (Miyakama) Creek, 2 miles from turn-off to Geyserville from Petrified Forest 610 Comment
  RSA48724  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
  SDSU11754  Iris macrosiphon D. F. Howe 1963-5-23 3526 Sonoma 3.8 miles north of Cloverdale on #128 335 Comment
  RSA135848  Iris macrosiphon E. K. Balls, Lee W. Lenz 1951-5-10 16537 Sonoma 0.7 miles south of Mendocino-Sonoma County line on Highway 28 Comment
  JEPS128286  Iris purdyi Roger Raiche 2005-4-9 008 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC210128  Isoetes Peter Rubtzoff; Nancy Harrison 1974-5-26 7477 Sonoma Vernal pool on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  UCD150855  Isoetes howellii Ayzik Solomescsh 2009-5-14 s.n. Sonoma Sonoma County, 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated in Google Earth by label maker. 22 Comment
  CAS-BOT-BC61916  Isoetes nuttallii John Thomas Howell 1937-6-6 13028 Sonoma Pitkin Marsh Comment
  UC604130  Isoetes nuttallii Leo Koch 1938-4-1 61 Sonoma near Kenwood (small gulch off Adobe Canyon) Comment
  CAS-BOT-BC61920  Isoetes nuttallii John Thomas Howell; Catherine Best 1981-4-2 53932 Sonoma Fairfield Osborn Preserve of The Nature Conservancy, Sonoma Mt. east of Cotati Comment
  CAS-BOT-BC112413  Isolepis carinata Peter Rubtzoff 1952-5-10 1025 Sonoma Pitkin Marsh near Forestville: Eastern branch of the Upper March. Comment
  CAS-BOT-BC112572  Isolepis cernua Peter Rubtzoff 1954-8-10 1678 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC322122  Juncus arcticus Peter Rubtzoff 1955-7-24 1989 Sonoma Forestville Marsh. Comment
  UCR250377  Juncus balticus Peter Rubtzoff 1955-7-24 1989 Sonoma Forestville Marsh 71 Comment
  UCR250385  Juncus balticus Peter Rubtzoff 1962-5-11 4816 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  SEINET3877389  Juncus bolanderi Kaye H. Thorne 1984-11-21 3657 Sonoma Sea Ranch, 2.5 mi S Gualala, stabilized coast dunes old sheep ranch.; 0 Comment
  UC1601701  Juncus bufonius J. Burtt Davy 1894-6-17 Sonoma Knights Valley Comment
  CAS-BOT-BC164038  Juncus effusus Peter Rubtzoff 1970-8-19 6337 Sonoma Sonoma: Austin Creek bank, 0.5 mi. north of Cazadero Comment
  CAS-BOT-BC164382  Juncus effusus Peter Rubtzoff 1968-7-13 5920 Sonoma Sonoma: upper Salmon Creek Marsh Comment
  RSA790897  Juncus effusus Peter Rubtzoff 1964-8-26 5479 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 Comment
  CAS-BOT-BC157984  Juncus effusus subsp. pacificus Peter Rubtzoff 1959-6-20 4177 Sonoma Willow Creek Marsh Comment
  RSA790718  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5902 Sonoma Lichan Marsh. Comment
Read comments
Apr 16 2014
  UCD84293  Juncus hemiendytus var. hemiendytus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCD167435  Juncus hesperius Peter Rubtzoff 1955-8-20 2089 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC290574  Juncus lescurii Peter Rubtzoff 1955-8-20 2080 Sonoma Bodega Harbor Marsh. Comment
  HSC42040  Juncus lescurii S. Saufferer 1973-5-24 218 Sonoma Bodega Bay near the ocean Comment
  UCD67349  Juncus lescurii B. Rodeheaver 1973-5-12 43 Sonoma Bodega Head, W of Bodega Marine Lab dormitories. Near sand dunes. Comment
  UC143749  Juncus occidentalis A. A. Heller 1902-6-2 5634 Sonoma Santa Rosa Comment
  CDA39262  Juncus phaeocephalus T. C. Fuller & D. L. Bristow 1957-12-17 s.n. Sonoma Horn Ave., south of Santa Rosa. 0 Comment
  UCD164994  Juncus xiphioides Peter Rubtzoff; Nancy Harrison 1974-9-7 7871 Sonoma Hinebaugh Creek in Rohnert Park. Creek bed, west of Commerce Blvd. crossing. Comment
  RSA126570  Juncus xiphioides H. S. Yates 1936-5-16 5596 Sonoma 2 miles SE of Forestville 30 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
  UC1585377  Keckiella corymbosa R. Raiche, K. Zadnik, and H. Forbes 1889-10-1 UCBG 2 Sonoma Botanical Garden; Univ. of Calif., Berkeley Comment
  CAS-BOT-BC320568  Kickxia Peter Rubtzoff 1970-7-11 6281 Sonoma Laguna de Santa Rosa northwest of Trenton, at Healdsburg Road crossing. Comment
  UCD160309  Koeleria macrantha James A. Neilson Jr. 1975-5-23 3218 Sonoma Truit Creek on Big Sulphur Creek. Abril property. (Elevation and coordinates estimated by label maker.) 388 Comment
  SEINET10607050  Koeleria macrantha A. Arthur Heller 1902-4-23 Heller 5352 Sonoma Near Sonoma. Comment
  CAS-BOT-BC340483  Lactuca saligna Leonore Bravo 1982-9-12 s.n. Sonoma Guerneville (on road to Armstrong Grove) Comment
  CAS-BOT-BC340659  Lactuca serriola Mary P. Wells 1985-8-12 593 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC272432  Lamarckia aurea D. E. Breedlove 1976-3-27 39 .455 Sonoma West-facing roadbank along Dry Creek Road ca. 7 miles west of Warm Springs Dam Comment
  UCD63321  Lamarckia aurea Freed W. Hoffman 1941-4-25 2239 Sonoma Luttrell Ranch, near Guerneville. Comment
  SD56365  Lamium purpureum Wayne Roderick 1962-3-20 Sonoma Near Sebastopol Comment
  SEINET9314468  Lamium purpureum Unknown 1993-3-14 10528 Sonoma Sonoma Co., CA Comment
  UCD124932  Lamium purpureum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 61 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
  JEPS86323  Lasthenia burkei Jack and Betty Guggolz 1988-4-8 912 Sonoma 100 m w Walzer Road (n side of San Miguel Road) Comment
  JEPS86318  Lasthenia burkei Jack and Betty Guggolz 1988-5-2 922 Sonoma w side Abramson Lane (about 0.25 mi s of its sharp turn to the w) Comment
  CAS-BOT-BC346330  Lasthenia californica G. DeNevers 1981-4-16 729 Sonoma Pepperwood Ranch, by Studio Comment
  CAS-BOT-BC346331  Lasthenia californica G. DeNevers 1981-4-20 759 Sonoma Pepperwood Ranch. Pippindale farm; notch at ridge above Studio on Horse Hill Comment
  POM55151  Lasthenia californica A. A. Heller, H. E. Brown 1902-4-15 5302 Sonoma Santa Rosa Creek Comment
  RSA585970  Lasthenia californica Adree M. Desrochers 1988-4-30 335 Sonoma Salt Point State Park, Stump Beach. Comment
  SEINET11447680 Image available Lasthenia californica subsp. macrantha K. Brandegee 1905-6-27 s.n. Sonoma Near Bodega Bay; 38.33325 -123.048057 Comment
  UC1363833  Lasthenia californica subsp. macrantha Robert Ornduff 1958-4-30 4968 Sonoma just n of mouth Salmon Creek (between road (Highway 1) and ocean); Sonoma Coast Park Comment
  CAS-BOT-BC355535  Lasthenia glaberrima Peter Rubtzoff 1972-5-25 6755 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC355528  Lasthenia glaberrima Peter Rubtzoff 1966-5-30 5747 Sonoma About 3 mi. S. of Healdsburg. Comment
  UC517469  Lasthenia glabrata subsp. glabrata John Thomas Howell 1933-4-1 10925 Sonoma Petaluma Comment
  HSC100946  Lasthenia gracilis Peter Warner 2011-3-26 182 Sonoma Annadel State Park, ~50 m E upslope from Live Oak Trail, ~200 m N of junction with Rough Go Trail. 229 Comment
  CAS-BOT-BC370851  Lasthenia minor Katharine Brandegee 1905-6-1 s.n. Sonoma Bodega Comment
  CAS-BOT-BC370896  Lasthenia minor J. Clausen 1935-5-24 1084 Sonoma 5 mi. S. of Jenner, close to ocean between grass. Comment
  UCD165004  Lathyrus Peter Rubtzoff 1974-9-7 7886 Sonoma Hinebaugh Creek, Rohnert Park. Comment
  CDA34802  Lathyrus angulatus Peter Warner 2010-5-6 146 Sonoma Annadel State Park, E side of Lake Ilsanjo at picnic tables, near Richardson Trail. Comment
  UCD106225  Lathyrus grandiflorus H. S. Reed 1937-5-31 755 Sonoma Bodega. Comment
  CDA20555  Lathyrus hirsutus A. Stephens 2005-6-16 PDR 1293626 Sonoma North Coast; Petaluma Hill Rd, Petaluma. 44 Comment
  SEINET956151  Lathyrus polyphyllus Carl B. Wolf 1934-1 5799 Sonoma 6/10 mi. Inland from Stwearts Pt. Redwood forest floor, semishade. Comment
  UCD106668  Lathyrus tingitanus Donna Allen 1977-5-24 s.n. Sonoma Dry cr. Rd. next to bridge at site of proposed dam. Comment
  UC137193  Lathyrus torreyi Michener and Bioletti 1892-7-6 14 a Sonoma Gualala Comment
  POM277788  Lathyrus vestitus subsp. vestitus Lyman Benson 1928-3-24 93 Sonoma Geyserville 152 Comment
  SEINET7067252  Layia chrysanthemoides A. G. Vestal 1947-5-13 s.n. Sonoma South Sonoma Coast, about 1.3 miles north of Salmon Creek on Route 1. Coordinate datum: NAD27. Comment
  CAS-BOT-BC323234  Layia chrysanthemoides A. A. Heller; H. E. Brown 1902-4-23 5355 Sonoma Near Sonoma Comment
  POM953187  Layia chrysanthemoides Ivar Tidestrom 1895-6-13 s.n. Sonoma [Unspecified] Comment
  CAS-BOT-BC123308  Layia chrysanthemoides subsp. maritima Jens Chr. Clausen 1935-5-24 1090 Sonoma 6.2 mi S of Jenner Comment
  CAS-BOT-BC379623  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 miles south of Jenner Comment
  POM53343  Layia platyglossa subsp. campestris H. E. Brown, A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood. Comment
  SEINET11995839  Ledum glandulosum F. H. Utech 1988-1 88 -220 Sonoma Salt Point, along CA 1 between Tenner & Stewart's Point, mile marker 38.39 75 Comment
  SD260873  Leersia oryzoides Peter Rubtzoff 1973-9-4 7298 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. In shallow water near the margin, in the open. Comment
  RSA127055  Lemna gibba J. T. Howell 1946-9-20 23028 Sonoma Near Twin Rocks Comment
  SEINET8715371 Image available Lemna gibba Leo Koch 1940-1 1011 Sonoma On surface of pond in hills behind Fountaingrove Vineyard three miles north of Santa Rosa along Highway 101. Comment
  CAS-BOT-BC154155  Lemna minima Peter Rubtzoff 1965-11-9 5667 B Sonoma Laguna de Santa Rosa area, E of Graton (btwn. Occidental and Guerneville Roads). Comment
  POM311075  Lemna minor Leo Koch 1940-6-12 1011 Sonoma In hills behind Fountaingrove Vineyard. 3 miles N of Santa Rosa along Hwy 101. Comment
  RSA0028897  Lemna minor Peter Rubtzoff 1954-8-2 1625 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC339167  Leontodon saxatilis subsp. saxatilis Mary P. Wells 1983-8-3 170 Sonoma Timber Reserve of Oceanic of California, Inc., The Sea Ranch 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
  UCD165875  Lepidium didymum Peter Rubtzoff 1970-10-29 6422 Sonoma Marsh in dunes south of U.C. Bodega Marine Laboratory dormitory. Comment
  UCD115699  Lepidium latifolium John Thomas Howell 1966-6-2 41550 Sonoma South of Schellville near Black Pt. road. Comment
  HSC6827  Lepidium nitidum R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1342 Sonoma 7 mi. W of Big Geysers along Sulphur Creek Comment
  UCD115834  Lepidium strictum Caitlin Lewis; William Mutch 1993-4-17 12 Sonoma About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile. Near visitor center. 365 Comment
  CAS-BOT-BC273993  Leptochloa fusca subsp. fascicularis John Thomas Howell 1957-9-26 32978 Sonoma Sandy Russian River bottom near Guerneville Comment
  CAS-BOT-BC226542  Leptosiphon acicularis Annie F. Rodda 1929-5-6 s.n. Sonoma Fort Ross Comment
  SBBG53022  Leptosiphon androsaceus M. R. Benedict 1978-4-18 Sonoma Warm Springs Dam site Comment
  UCD118608  Leptosiphon bicolor Frederica Bowcutt; Joy Keeney, Adam Greene 1994-5-21 1802 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Along Meadow Trail, approximately 0.25 mile from trailhead. 396 Comment
  CAS-BOT-BC226696  Leptosiphon jepsonii John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53956 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  JEPS126509  Lessingia arachnoidea Staci Markos, Jack and Betty Guggolz and Gene Cooley 2001-9-24 210 Sonoma North of Camp Meeker near the Bohemian Highway, Bohemian Ranch, Amaryllis Flat. Comment
  UC88007  Lessingia ramulosa W. E. Bryant July 1887 Sonoma Healdsburg Comment
  JEPS116507  Leymus californicus Peter Warner 2009-6-3 104 Sonoma Poff Ranch, along N unfenced boundary, adjacent to or on Willow Creek (Calif. State Parks Property), upper east Pomo Canyon, along logging road 130 Comment
  CAS-BOT-BC451705  Lilaea scilloides Greg de Nevers 1992-5-5 10142 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  RSA276592  Lilaeopsis occidentalis Lincoln Constance 3880 Sonoma Sonoma County: Shallow water with Salix Bodega Bay Comment
  JEPS19605  Limnanthes douglasii W. L. Jepson 1914-4-11 5804 Sonoma Sonoma Valley 35 Comment
  UCD116498  Limnanthes douglasii Charles B. Heiser Jr. 1947-3-29 1893 Sonoma outskirts of Sonoma. Comment
  RSA178016  Limnanthes douglasii subsp. douglasii Robert F. Thorne 1965-4-19 34274 a Sonoma Titus Ranch, Valley Ford. 18 Comment
  SEINET6670470  Limnanthes douglasii subsp. douglasii C. T. Mason 1949-4-11 1249 Sonoma West side of highway 37, 2.4 miles north of junction of state highway 37 and 48, Sears Point. Comment
  JEPS37920  Limnanthes douglasii subsp. nivea Rimo Bacigalupi and R. Ornduff 1964-4-18 8931 Sonoma n side of Lytton Springs road just e junction of Chiquita Rd. (ca 1 mi w of US 101) Comment
  UCD116447  Limnanthes douglasii var. nivea Robert F. Thorne 1965-4-19 34274 a Sonoma wet field on Titus Ranch, Valley Ford. 18 Comment
  CAS-BOT-BC45952  Limnanthes vinculans Peter Rubtzoff; Nancy Harrison 1978-5-20 9179 Sonoma Cunningham Marsh area. On north side of Bulcher Creek valley. Comment
  CAS-BOT-BC249322  Limosella Peter Rubtzoff 1964-8-20 5469 Sonoma 1 mile southeast of Jenner (near crossing of Hwys. 1 & 12). Comment
  UCD166114  Limosella Peter Rubtzoff 1972-5-25 6751 Sonoma Laguna, Chileno Valley. Comment
  SEINET7042679  Linanthus acicularis A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UC106672  Linanthus ciliatus Michener and Bioletti 1892-5-20 1542 a Sonoma Hood's Peak Comment
  UC30163  Linanthus dichotomus W. H. Brewer 1862-4-18 969 Sonoma near Sonoma Comment
  JEPS23256  Linaria vulgaris G. Thomas Robbins 1958-8-11 3924 Sonoma w of the town of Bodega (along Estero Lane a dirt road about 2 mi s of State Highway 1); Estero Lane Comment
  SEINET12186036  Linum micranthum W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4754 Sonoma The Cedars, near Cazadero, Twitchell Ranch 244 Comment
  JEPS47676  Lithophragma heterophyllum Willis L. Jepson 1893-5-1 13473 Sonoma hills between Calistoga and road to Knight's Valley (Napa River Basin); , btw Calistoga and rd to Knight's Valley Comment
  UCD102729  Lithophragma heterophyllum S. P. Lynch 1974-3-14 392 Sonoma 6 mi. W of Callistoga on 128. Comment
  UCD167964  Logfia filaginoides James Neilson 1977-6-12 3919 Sonoma Mayacmas Mountains, McMicking Ranch, well site 2. (McMicking Ranch is also known as Santa Angelina Ranch and is in the vicinity of Knights Valley and Coon Creek.) Comment
  UC581113  Logfia gallica H. L. Mason 1934-4-28 8078 Sonoma head of Dohrman Creek; Josephs Ranch Comment
  CAS-BOT-BC283289  Lolium multiflorum Peter Rubtzoff 1951-7-21 488 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh, near the highway Comment
  UC573666  Lolium multiflorum H. S. Yates 1936-5-16 5581 Sonoma 1 mi ne Graton; Sebastopol Quadrangle Comment
  UCD66238  Lolium multiflorum H. S. Yates 1936-5-16 5581 Sonoma 1 mile NE of Graton. 30 Comment
  SEINET11690153  Lolium multiflorum W. Knight, Knight, I.; Howell, J. T. 1987-1 6279 Sonoma Todd Road Preserve 24 Comment
  UCD84596  Lolium perenne Frederica Bowcutt 1996-5-24 2162 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. Approx. 1.2 air miles S of Red Mountain. Adobe Canyon just NW of Sonoma/Rattlesnake Creek confluence. 365 Comment
  UCD66664  Lolium temulentum Collector Unknown 1941-4-1 Sonoma Sebastopol Hwy. Comment
  SD130502  Lomatium californicum F. Almeda, G. DeNevers 1981-4-28 4907 Sonoma Approximately I(c) mile from main gate to Pepperwood Ranch Natural Preserve just off Franz Valley Road Comment
  SEINET5321344  Lomatium dasycarpum A. G. Vestal 1962-4-11 Sonoma Occidental; 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN Comment
  SEINET12121702  Lomatium dasycarpum W. Knight, Knight, I.; Edwards, S. 1986-1 5371 Sonoma along trail to summit of Geyer Peak, access from Healdsburg-Geysers Rd 856 Comment
  SEINET7040129  Lomatium dasycarpum A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  UC1123015  Lomatium dasycarpum subsp. dasycarpum H. S. Yates 1934-4-21 3830 Sonoma 2 mi. n. County Farm; Santa Rosa Quad. Comment
  JEPS25112  Lomatium nudicaule G. Thomas Robbins with Hsuan Keng and Erika Amstutz 1959-4-3 3968 Sonoma s.w. El Verano (along Arnold Dr.); Sonoma Valley 30 Comment
  CAS-BOT-BC217807  Lomatium repostum Greg de Nevers 1997-6-7 11020 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC217813  Lomatium repostum John Thomas Howell 1966-6-2 41551 Sonoma In hills E. of Aqua Caliente Comment
  CAS-BOT-BC361371  Lomatium repostum Greg de Nevers 1997-3-20 10920 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill 400 Comment
  RSA0056424  Lomatium repostum Greg de Nevers 1997-4-16 10942 Sonoma Moon Mountain Road. Comment
  UCD144574  Lomatium repostum Frederica Bowcutt 1994-6-25 1922 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. Brushy Peaks Trail about 1/4 mi E from Gray Pine Trail. 670 Comment
  UC1714578  Lomatium utriculatum J. Burtt Davy 1896-3-15 1668 Sonoma near Cazadero Comment
  POM46733  Lonicera involucrata A. A. Heller, H. E. Brown 1902-3-10 5015 Sonoma Hills East of Santa Rosa. Comment
  CAS-BOT-BC244007  Lonicera involucrata var. ledebourii Peter Rubtzoff 1951-5-28 83 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC244013  Lonicera involucrata var. ledebourii Peter Rubtzoff 1957-6-28 3385 Sonoma Duncan Mills Marsh Comment
  CDA9231  Lonicera involucrata var. ledebourii D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  UCD137389  Lonicera involucrata var. ledebourii Terri Williamson 1990-5-20 50 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  UC1321326  Lotus R. F. Hoover 1964-9-8 9288 Sonoma Timber Cove Comment
  UCR2752548  Lotus Peter Rubtzoff 1971-5-8 6452 Sonoma Intermittent Lake off west side of Highway 1, 0.7 miles SE of Salmon Creek crossing 18 Comment
  CAS-BOT-BC294702  Lotus Peter Rubtzoff 1970-7-17 6291 Sonoma Five miles north of Sears Point. Comment
  CAS-BOT-BC540843  Lotus Peter Rubtzoff 1974-5-18 7423 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llany Road Comment
  RSA234558  Lotus angustissimus Peter Rubtzoff 1967-8-28 5869 Sonoma Lower Salmon Creek Marsh. Comment
  UCD106700  Lotus angustissimus Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-7-6 134 Sonoma Unit 35-B Owners' Map, Sea Ranch, near State Highway 1. Comment
  POM258887  Lotus angustissimus Alice Eastwood, John T. Howell 1938-6-11 6267 Sonoma Near Stillwater Cove. Comment
  POM18310  Lotus benthamii A. A. Heller 1903-4-25 7458 Sonoma Fort Ross Comment
  UC1285193  Lotus junceus var. biolettii R. F. Hoover 1964-9-8 9286 Sonoma near Fort Ross; Kolmer Gulch Comment
  RSA177971  Lotus micranthus Robert F. Thorne 1965-4-20 34349 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  RSA92945  Lotus oblongifolius var. nevadensis Elizabeth McLeod 1930-05 s.n. Sonoma Pilkin Swamps Comment
  UCR2752549  Lotus purshianus Peter Rubtzoff 1971-6-26 6575 Sonoma Willow Creek Marsh 9 Comment
  RSA27256  Lotus scoparius var. scoparius Marcus E. Jones 1902-7-18 s.n. Sonoma Duncans Mills Comment
Read comments
Nov 19 2011
  UC424767  Lotus stipularis var. stipularis Milo S. Baker 1929-6-1 3573 a Sonoma near Vine Hill School House Comment
  UC80761  Lotus stipularis var. stipularis F. T. Bioletti 1893-6-7 Sonoma Hoods Peak Comment
  CHSC20629  Lotus uliginosus Robert A. Schlising; G. Keator 1963-7-27 2632 Sonoma California Coastal Range. On east side of Bodega Peninsula. Comment
  UCD66023  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 50 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UCR248361  Ludwigia hexapetala Peter Rubtzoff 1986-8-31 9731 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  CAS-BOT-BC251280  Ludwigia palustris Peter Rubtzoff 1961-10-23 4778 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  CAS-BOT-BC157696  Ludwigia peploides Peter Rubtzoff 1955-8-21 2091 Sonoma Vacation Beach, near Guerneville along Russian River, below the dam. Comment
  CAS-BOT-BC201287  Lupinus Charles Piper Smith 1947-6-19 47526 Sonoma Mark West Road near Petrified Forest Comment
  CAS-BOT-BC201297  Lupinus Charles Piper Smith 1947-6-19 47533 Sonoma Highway 1, Jenner, 1 mile south Comment
  UC1299684  Lupinus adsurgens Freed W. Hoffman 1949-6-5 3218 Sonoma summit of road leading from Lake County to Pine Flat; North Coast Ranges, rd fr Lake County to Pine Flat Comment
  CAS-BOT-BC195982  Lupinus albifrons var. albifrons Charles Piper Smith 1908-4-3 1392 Sonoma Forestville, 3 mi. west along Guerneville road Comment
  UC865419  Lupinus arboreus Lewis S. Rose 1939-4-2 39052 Sonoma Duncan Mills, Russian River 30 Comment
  UCD106637  Lupinus arboreus P. B. Kennedy Date Unknown 1 Sonoma Del Mar. Comment
  UC126967  Lupinus bicolor Willis L. Jepson 1893-5-3 Sonoma Mt. St. Helena Napa River Basin, Mt. St. Helena (foot of grade) Comment
  SD39044  Lupinus chamissonis Edith A. Purer 1932-7-21 4038 Sonoma Bodega Bay Comment
  SEINET10485216  Lupinus densiflorus Joseph W. Congdon 1880-5-11 Congdon UMO 42456 Sonoma Santa rosa. Comment
  SEINET10838181  Lupinus densiflorus Joseph W. Congdon 1880-5-30 Congdon s.n. Sonoma Petaluma. Comment
  POM212105  Lupinus formosus var. formosus Carl B. Wolf 1931-8-23 2345 Sonoma Along Redwood Highway, 1 mile south of Cloverdale. 91 Comment
  SEINET12164395  Lupinus latifolius F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -084 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  SEINET10490799  Lupinus latifolius subsp. latifolius Joseph W. Congdon 1880-6-5 Congdon s.n. Sonoma Petaluma. Morphology study voucher. Comment
  UC865303  Lupinus littoralis W. Bridge Cooke 1942-7-5 16355 Sonoma along State Route 1 near Jenner; near Jenner Comment
  SEINET5790384 Image available Lupinus microcarpus Marcus E. Jones 1882-1 3329 Sonoma Duncan's Mills Comment
  UC726073  Lupinus microcarpus var. densiflorus A. A. Heller 1938-5-14 15092 Sonoma between Shellville and Petaluma; between Shellville and Petaluma Comment
  UC201918  Lupinus microcarpus var. microcarpus Milo S. Baker Sonoma Dillon's Beach Comment
  UC725327  Lupinus microcarpus var. microcarpus A. A. Heller 1940-5-17 15637 Sonoma on State Highway #1, 2 mi w Valley Ford; w of Valley Ford Comment
  UC727105  Lupinus microcarpus var. microcarpus A. A. Heller 1940-5-17 15637 Sonoma on State Highway #1, 2 mi w Valley Ford; w of Valley Ford Comment
  UC865139  Lupinus microcarpus var. microcarpus W. Bridge Cooke 1942-7-5 16354 Sonoma along State Route 1, s Fort Ross; s of Fort Ross Comment
  SD88509  Lupinus microcarpus var. microcarpus Darley F. Howe 1972-6-28 Sonoma North of Jenner Comment
  CAS-BOT-BC320548  Lupinus polycarpus Peter Rubtzoff 1969-5-11 6045 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  HSC34852  Lupinus polycarpus Thomas W. Nelson 1975-5-8 1810 Sonoma Beside Hwy. 101 at Asti Comment
  CAS-BOT-BC8279  Lupinus sonomensis Amos Arthur Heller 1940-5-17 15638 Sonoma 2 miles E of Shellville, along road Comment
  CAS-BOT-BC210025  Luzula Peter Rubtzoff 1958-5-17 3680 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road) Comment
  CDA12825  Luzula comosa G. F. Hrusa, R. Gross 1996-3-8 12658 Sonoma North Coast Biodiversity Arena; Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  POM170557  Luzula comosa A. A. Heller, H. E. Brown 1902-3-26 2793 Sonoma Santa Rosa Creek. Comment
  RSA121011  Luzula comosa Alice Eastwood 1922-5-4 11250 Sonoma Calistoga. Comment
  RSA52692  Luzula comosa I. L. Wiggins 1949-4-30 12063 Sonoma 6.8 miles east of Santa Rosa on road to Calistoga. 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
  UCD103007  Lythrum hyssopifolia Frederica Bowcutt 1984-6-23 424 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along Sonoma County Coast. Immed. N of Gerstle Cove. W of Hwy 1. 24 Comment
  CAS-BOT-BC166732  Madia Peter Rubtzoff; Nancy Harrison 1974-7-13 7669 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC166955  Madia Peter Rubtzoff 1969-8-29 6173 Sonoma Salmon Creek, ca. 0.5 miles upstream from Hwy. 1. Comment
  UCR244645  Madia Peter Rubtzoff, Nancy Harrison 1974-7-13 7669 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC342610  Madia Peter Rubtzoff 1983-8-28 9675 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  CAS-BOT-BC344030  Madia elegans J. Clausen 1935-5-24 1081 Sonoma 2 mi. W. of Monte Rio on the road to Jenner Comment
  CAS-BOT-BC344031  Madia elegans Peter Rubtzoff 1951-7-21 524 Sonoma 1 mile southeast of Forestville Comment
  CAS-BOT-BC344046  Madia elegans H. D. Geis 1902-8-1 581 Sonoma Sonoma County Fields. Cloverdale Comment
  CAS-BOT-BC344549  Madia exigua Peter Rubtzoff 1952-6-10 1207 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  JEPS27973  Madia exigua Rimo Bacigalupi and L. Heckard 1961-6-9 7736 Sonoma 1.75 mi sw Occidental (at junction of Joy Road and Bittner Road) 249 Comment
  CAS-BOT-BC166723  Madia gracilis Peter Rubtzoff 1962-6-13 4894 Sonoma Freestone Marsh. Comment
  UCD55327  Madia gracilis Ellen Dean 2006-6-28 3171 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  CAS-BOT-BC343464  Madia gracilis G. DeNevers 1981-5-5 926 Sonoma Pepperwood Ranch. W arm of Garrison Canyon Comment
  POM261213  Madia gracilis subsp. gracilis L. S. Rose 1940-5-22 40370 Sonoma Sonoma 30 Comment
  POM56169  Madia sativa A. A. Heller 1902-6-10 5683 Sonoma Santa Rosa Comment
  CAS-BOT-BC345208  Madia sativa James I. McMurphy 1909-5-28 s.n. Sonoma 1 mile west of Santa Rosa Comment
  CAS-BOT-BC345216  Madia sativa H. M. Hall 1931-5-28 13105 Sonoma Bodega Bay Comment
  RSA786499  Madia sativa Peter Rubtzoff 1974-5-18 7415 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UC990654  Madia sativa James I. McMurphy 1909-8-8 702 Sonoma electric railroad station between Santa Rosa and Sebastopol; Leddy Comment
  SBBG1060  Maianthemum racemosum H. and M. Dearing 1933-5-16 260 Sonoma Cloverdale, Redwood Hwy Comment
  SEINET12052827  Maianthemum racemosum subsp. amplexicaule F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -55 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  CAS-BOT-BC511497  Maianthemum stellatum Volney Rattan 1880-1-1 s.n. Sonoma Healdsburg Comment
  RSA177926  Maianthemum stellatum Robert F. Thorne 1965-4-20 34377 Sonoma Charles Newman s place up Los Alamos Rd, on Rincon Ridge 396 Comment
  POM187938  Malacothrix floccifera Marcus E. Jones 1931-8-3 29094 Sonoma Cloverdale. Comment
  CAS-BOT-BC361402  Malva nicaeensis Greg de Nevers; Steve Ehret 1994-5-20 10523 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. 457 Comment
  RSA784484  Marsilea vestita subsp. vestita Peter Rubtzoff 1964-7-7 5388 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC348214  Matricaria discoidea Peter Rubtzoff 1966-5-7 5704 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CDA34793  Matricaria discoidea Peter Warner 2010-3-29 120 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  UCD134584  Matricaria discoidea Gerry North 1993-4 23 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. South of Hillside Trail, at fork by water tank. 426 Comment
  UCD151155  Medicago polymorpha James A. Neilson Jr. 1973-6-7 3443 Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 441 Comment
  UCD107850  Medicago polymorpha Caitlin Lewis; William Mutch 1993-4-17 24 Sonoma About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile. Near visitor center. 365 Comment
  UCD87220  Melica californica R. Tofsrud 1947-7-1 175 Sonoma Santa Rosa, old cemetery. Comment
  SEINET10599366  Melica californica A. Arthur Heller 1902-4-9 Heller 5246 Sonoma In a railroad cut 3 miles south of Healdsburg. Comment
  CAS-BOT-BC281279  Melica geyeri G. DeNevers 1987-6-1 8184 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd, Santa Rosa 400 Comment
  CAS-BOT-BC281283  Melica geyeri John Thomas Howell; et al. 1982-4-28 54674 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  UCD87347  Melica geyeri R. Tofsrud 1942-4-1 279 Sonoma Along Mark West road about 3 mi. above the Springs resort. Comment
  POM204773  Melica harfordii W. C. Blasdale, Jos Burtt Davy 1899-7-22 6001 Sonoma Guerneville. Comment
  UCD87519  Melica harfordii P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis Road. Comment
  UCR119126B  Melica harfordii Beecher Crampton 1954-5-9 1837 Sonoma Central coast redwood area., 2.5 miles north of Guerneville, on roadside banks. 91 Comment
  CAS-BOT-BC262557  Melica torreyana Alice Eastwood 1922-5-4 11247 Sonoma Calistoga Comment
  RSA31166  Melica torreyana A. A. Heller 1902-3-27 5160 Sonoma Western base of Mt. Hood. Comment
  SEINET3383322 Image available Melica torreyana Barbara L. Wilson, Cheri Buskirk 2009-4-5 15419 Sonoma Santa Rosa; Annadel State Park; Comment
  UCD36693  Melica torreyana Beecher Crampton 1955-6-17 2956 Sonoma Sonoma County, 5 miles west of Cazadero, on road to Fort Ross. Comment
  SEINET10599670  Melica torreyana A. Arthur Heller 1902-3-27 Heller 5160 Sonoma Western base of Mt. Hood. Comment
  CAS-BOT-BC262806  Melilotus indicus Peter Rubtzoff 1956-9-14 2889 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC268075  Melilotus indicus Peter Rubtzoff 1968-8-31 5941 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA784568  Melissa Peter Rubtzoff 1973-8-28 7277 Sonoma Upper Green Valley Marsh. Comment
  UCR244669  Mentha Peter Rubtzoff 1960-9-17 4567 Sonoma Laguna de Santa Rosa near Trenton [Rd.] (south of Woolsey Road) Comment
  UCSC000631  Mentha pulegium I. J. Condit 2008-8-13 s.n. Sonoma Guerneville Comment
  RSA94355  Mentha pulegium Peter Rubtzoff 1951-7-14 458 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  UCD148376  Mentha pulegium Peter Rubtzoff 1955-9-24 2157 Sonoma Guerneville Marsh. Comment
  RSA785143  Mentha spicata Peter Rubtzoff 1968-8-24 5936 Sonoma Forest Hills, 5.5 mi E of Guerneville. On Russian River bank. Comment
  RSA785144  Mentha spicata Peter Rubtzoff 1973-8-28 7275 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC182772  Mentzelia laevicaulis Peter Rubtzoff 1958-9-7 s.n. Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  CAS-BOT-BC428464  Micranthes aprica Milo S. Baker 1928-3-1 2737 C Sonoma Golf Club Links Comment
  CAS-BOT-BC348624  Micropus californicus var. californicus Alice Eastwood 1921-4-24 10381 Sonoma Santa Rosa Comment
  SEINET11807614  Micropus californicus var. californicus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -187 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 630 Comment
  CAS-BOT-BC348733  Microseris bigelovii John H. Thomas 1976-6-16 18255 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  SEINET11806899  Microseris douglasii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -174 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  CAS-BOT-BC322707  Microseris laciniata John Thomas Howell 1937-6-6 13013 Sonoma Sebastapol Comment
  JEPS13229  Microseris laciniata subsp. laciniata F. T. Bioletti 1893-6-10 Sonoma near Kenwood; Los Guilicos Valley Comment
  UC50058  Microseris laciniata subsp. laciniata F. T. Bioletti 1893-6-10 Sonoma Los Guilicos Comment
  CAS-BOT-BC311867  Mimulus Peter Rubtzoff 1958-6-1 3698 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC311875  Mimulus Peter Rubtzoff 1954-7-29 1606 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC320522  Mimulus Peter Rubtzoff 1972-5-25 6764 Sonoma Laguna, Chileno Valley. Comment
  RSA0025402  Mimulus Peter Rubtzoff 1976-6-18 8656 Sonoma Kenwood Marsh. Comment
  SEINET3078835 Image available Mimulus aurantiacus S. Saufferer 1973-5-24 215 Sonoma Bodega Bay Comment
  UCD162165  Mimulus aurantiacus D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1518 Sonoma Hooker Creek watershed. 520 Comment
  RSA550833  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-4 1111 Sonoma 7.0 mi S of Mendocino co. line along Hwy 1; 0.5 mi N of Black Point Beach access road 96 Comment
  CDA11329  Mimulus congdonii G. F. Hrusa 1995-4-2 12039 Sonoma North Coast Biodiversity Arena; Along Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  UCR248872  Mimulus guttatus Peter Rubtzoff 1954-9-4 1729 Sonoma Bodega Head Marsh 2 Comment
  UCR275257  Mimulus guttatus Peter Rubtzoff 1959-6-20 4171 Sonoma Willow Creek Marsh 9 Comment
  JEPS41072  Mimulus layneae Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9109 Sonoma between 1 and 1 1/4 mi w Napa County line (along the Franz Valley School road, 1/4 mi w of the school) 219 Comment
  UC26937  Mimulus microphyllus F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  UCD122689  Mimulus microphyllus Janet McIntosh 1966-4-27 21 Sonoma 8 miles east of Petaluma, State Highway 116. 76 Comment
  UCD122796  Mimulus moschatus Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 96 A Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC444805  Mimulus pilosus Milo S. Baker 1898-11-25 743 Sonoma near Healdsburg; Russian River Comment
  JEPS3030  Mimulus tricolor Milo S. Baker 1952-4-30 12408 B Sonoma along road e of Summit Bennett Valley rd. Comment
  SEINET3159712  Mimulus tricolor K. Brandegee 1905-6-8 sn Sonoma Between Santa Rosa and Sebastopol. Comment
  UC8087  Minuartia californica W. H. Brewer 1862-4-18 975 Sonoma near Sonoma Comment
  UCD98257  Minuartia californica G. F. Hrusa 1995-4-2 12037 Sonoma along Franz Valley School Road, approx. 1 mile NW of Napa/Sonoma county line. 250 Comment
  JEPS128193  Minuartia douglasii Roger Raiche 2000-5-4 081 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA177976  Minuartia douglasii R. F. Thorne 1965-4-19 34307 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. Comment
  UCD136293  Minuartia douglasii M. Rei Scampavia Evangelista 2012-5-4 3 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 260 meters. 408 Comment
  CAS-BOT-BC388895  Minuartia douglasii G. DeNevers 1981-5-9 1070 Sonoma Pepperwood Ranch. E of the gate to the Redwoods Comment
  UC1980567  Monardella James L. Reveal 1987-6-7 6414 Sonoma Along Cavedale Road, about 2.4 mile south of Trinity Road and about 5 miles northeast of California Highway 12, about 13 airline miles south east of Santa Rosa Comment
  LA57191  Monardella purpurea Robert F. Hoover; 1942-7-13 5915 Sonoma 3 mi. S of Monte Rio Comment
  UC2035939  Monardella purpurea Robert F. Hoover 1938-6-14 3609 Sonoma 3 miles west of Graton on road to Occidental Comment
  UCD125197  Monardella purpurea Walter Knight; Irja Knight, Roger Raiche, Steve Edwards Date Unknown 4756 Sonoma The Cedars; near Cazadero on Twitchell Ranch. Comment
  JEPS117105  Monardella villosa subsp. franciscana Peter Warner 2010-6-9 163 Sonoma Jenner Headland, SW Lower Russian Gulch Field, at base of rock outcrop, ~ 460 m E of Muniz Ranches Road Comment
  CAS-BOT-BC314206  Monardella villosa subsp. subserrata Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Rd., 18 miles E of Stewart's Point. Comment
  CAS-BOT-BC314185  Monardella villosa subsp. villosa W. R. Dudley 1893-9-9 s.n. Sonoma Near mouth of Russian River. Comment
  CAS-BOT-BC166777  Montia Peter Rubtzoff 1967-5-21 5841 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  RSA0102995  Montia gypsophiloides Lyman Benson 1935-3-31 6407 Sonoma U.S. 101, Healdsburg. Mt. Range: North Coast. Watershed: Russian River. 243 Comment
  UC1146577  Muhlenbergia andina Freed W. Hoffman 1947-5-30 1700 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC515555  Muilla maritima J. W. Congdon 1880-4-8 s.n. Sonoma Petaluma [collected as Marin County] Comment
  CAS-BOT-BC515646  Muilla maritima Peter H. Raven 1950-4-6 1567 Sonoma Cotati to Santa Rosa Comment
  UC572663  Myosotis discolor G. Thomas Robbins 1937-5-23 198 Sonoma Pitkin Marsh Vine Hill Region, Pitkin Marsh 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
  JEPS30065  Myrica californica Alice Louise Griffin Sonoma Stewart's Point Comment
  UC672617  Myrica californica Herbert L. Mason 1928-4-8 4291 Sonoma Fort Ross Comment
  UCR244608  Myriophyllum aquaticum Peter Rubtzoff 1966-6-27 5770 Sonoma Santa Rosa Creek area, c. 1 mile east of the Laguna de Santa Rosa 28 Comment
  UCD165115  Myriophyllum aquaticum Peter Rubtzoff 1973-10-10 7334 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  UCD166304  Myriophyllum hippuroides Peter Rubtzoff 1966-8-21 5797 Sonoma Atascadero Creek Marsh. 29 Comment
  UC729998  Nassella cernua Leo F. Koch 1940-4-24 844 Sonoma roadside n junction 2 1/2 miles from Kenwood and Glen Ellen; Bennett Valley Comment
  CAS-BOT-BC361285  Nassella lepida Greg de Nevers 1997-4-24 10964 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC260069  Nassella lepida K. Wagnon 1939-5-20 205 Sonoma Glade W of Wagnon Quarry Comment
  UCD144430  Nassella lepida Frederica Bowcutt 1996-5-19 2127 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 N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon firebreak (narrow) btw. lower Bald Mtn. and Bald Mt. Trail. 487 Comment
  CAS-BOT-BC260277  Nassella pulchra John Thomas Howell; Walter & Irja Knight 1987-5-21 6239 Sonoma Corner of Todd and Llamo roads, Todd Road Preserve 24 Comment
  CAS-BOT-BC260286  Nassella pulchra A. A. Heller 1902-4-23 5350 Sonoma Near Sonoma Comment
  POM207021  Nassella pulchra A. A. Heller 1902-4-9 5252 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  UC1133202  Nassella pulchra H. S. Yates 1934-4-21 3780 Sonoma near Bodega; Sebastopol Quadrangle Comment
  CAS-BOT-BC60516  Nasturtium officinale Peter Rubtzoff 1951-6-9 158 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC60520  Nasturtium officinale Peter Rubtzoff 1958-5-17 3676 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  JEPS70255  Navarretia cotulifolia W. L. Jepson 1921-6-3 9307 Sonoma s of Santa Rosa (near Wilfred station); Cotati Valley 28 Comment
  UC856857  Navarretia cotulifolia A. A. Heller 1902-6-4 5638 Sonoma Santa Rosa Comment
  UCR66595  Navarretia cotulifolia F. W. Peirson 1925-8-8 6339 Sonoma 6 mi south of Santa Rosa 38 Comment
  JEPS70317  Navarretia heterodoxa Milo S. Baker 1928-6-16 3041 b Sonoma Hope Valley, n of Barber Ranch Hope Valley Comment
  CAS-BOT-BC230367  Navarretia leucocephala subsp. bakeri Peter Rubtzoff 1966-7-4 5773 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  CAS-BOT-BC230375  Navarretia leucocephala subsp. bakeri Niall McCarten; R. Bittman 1985-5-19 5491 Sonoma SE of junction of Highway 101 and Shiloh Road, N of Santa Rosa Comment
  UCD48702  Navarretia squarrosa Frederica Bowcutt 1994-6-25 1915 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Grey Pine Trail about 1/2 way between Brushy Peak Trail and Meadow Trail. 530 Comment
  UC101996  Navarretia tagetina Katharine Brandegee Jun 1905 Sonoma between Santa Rosa and Sebastopol Comment
  JEPS70509  Navarretia viscidula W. L. Jepson 1921-6-2 9298 Sonoma w of Windsor Comment
  UC1094035  Navarretia viscidula Lewis S. Rose 1955-6-27 55109 Sonoma 10 mi w Santa Rosa (junction of Vine Hill and School Roads) 45 Comment
  SEINET3156469  Nemophila atomaria L. S. Rose 1933-5-9 33160 Sonoma Bodega Bay Comment
  UC107230  Nemophila heterophylla Mrs. Swett Apr. 1901 Sonoma Windsor Comment
  UC67242  Nemophila heterophylla Milo S. Baker 1902-3-31 Sonoma Kenwood Comment
  JEPS3139  Nemophila heterophylla E. Ferguson 1920-4 356 Sonoma Mt. St. Helena Comment
  UCD23401  Nemophila heterophylla Wesley Ebert 1977-4-9 18 Sonoma Pale blue flowers with white center. In rich moist humus. Shaded by Umbellularia californica and Quercus agrifolia, but getting some afternoon exposure. On east facing slope. 6000 Soldiers Ln., Penngrove. On west side of Sonoma Mtn. 457 Comment
  UC1057474  Nemophila menziesii G. Thomas Robbins 1940-3-21 289 Sonoma 2-3 mi se Windsor (Pleasant Avenue Road and Chalk Hill Road); se of Windsor 91 Comment
  UCD158879  Nemophila menziesii var. atomaria James A. Neilson Jr. 1975-3-27 s.n. Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  UCD170754  Nemophila menziesii var. atomaria C. Benefield 1997-5-12 31 Sonoma Bodega Bay, in front of University of California Marina Laboratory. 24 Comment
  UC58518  Nemophila parviflora A. A. Heller 1903-4-23 6611 Sonoma Fort Ross Comment
  SD113482  Nemophila pedunculata Darley F. Howe 1972-5-2 4816 Sonoma Trail above Duncan Mills Pond. Comment
  UCR265138  Nemophila pedunculata Ann Howald 2015-4-1 3313 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 11.5 miles west of intersection with Rockpile Rd, Warm Springs drainage 408 Comment
  UCR279605  Nicotiana acuminata Peter Rubtzoff 1961-6-7 4618 Sonoma Laguna de Santa Rosa, c. 1 mile SE of Trenton 30 Comment
  UC26162  Nicotiana quadrivalvis J. B. Davy Jul 1896 Sonoma near Russian River Station Comment
  RSA0009430  Nuphar lutea subsp. polysepala Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  CAS-BOT-BC400122  Nuphar polysepala Peter Rubtzoff 1951-7-8 416 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC499695  Orobanche californica subsp. californica Cecilia Zanelli 1925-9-1 s.n. Sonoma Plantation Comment
  CAS-BOT-BC502783  Orobanche californica subsp. grayana Greg de Nevers 1997-5-23 11005 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC502909  Orobanche fasciculata Greg de Nevers 1995-5-2 10718 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd. 487 Comment
  RSA516483  Orthocarpus densiflorus W. L. Jepson 1911-4-30 4187 Sonoma Sonoma Valley. 84 Comment
  SDSU10841  Orthocarpus erianthus var. roseus D. F. Howe 1969-5-29 4583 Sonoma Sea Ranch. Comment
  POM252788  Orthocarpus faucibarbatus var. albidus A. A. Heller 1938-5-14 15090 Sonoma Just east of the town of Bodega. Comment
  POM15358  Orthocarpus pusillus A. A. Heller, H. E. Brown 1902-4-8 5230 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UCD127789  Osmorhiza berteroi M. Wiesendanger 1927-5-7 731 Sonoma Kenwood Springs. Comment
  UCD35324  Osmorhiza berteroi Beecher Crampton 1955-6-8 2828 Sonoma 7 miles northwest of Calistoga. Comment
  SEINET12121674  Osmorhiza chilensis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -169 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 330 Comment
  SEINET12122096  Osmorhiza chilensis F. H. Utech 1988-1 88 -205 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  CAS-BOT-BC254467  Panicum Peter Rubtzoff 1983-8-28 9670 Sonoma Austin Creek ca. 0.5 mile N of Highway 116 on Cazadero Road Comment
  UC1102744  Panicum acuminatum var. acuminatum A. R. Kruckeberg 1949-6-4 S- 21 Sonoma Sulphur Creek , Sulphur Creek (Big Geysers) Comment
  UC1146580  Panicum acuminatum var. acuminatum Freed W. Hoffman 1941-6-15 2158 Sonoma Eckert Ranch near Salt Point; North Coast Ranges, near Salt Point Comment
  JEPS121155  Panicum acuminatum var. fasciculatum Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18598 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  CAS-BOT-BC253824  Panicum dichotomiflorum Greg de Nevers 1996-9-2 10872 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road, at base of Al Cuneo's driveway 487 Comment
  JEPS128230  Parnassia palustris Roger Raiche 2000-9-9 152 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC259618  Paspalum Peter Rubtzoff 1987-9-27 9852 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville Comment
  RSA784152  Paspalum dilatatum Peter Rubtzoff 1971-8-31 6662 Sonoma Todd Road near Stony Point Road Comment
  CAS-BOT-BC265692  Paspalum distichum Peter Rubtzoff 1951-6-9 181 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  RSA118963  Paspalum distichum L. S. Rose 1956-8-20 56147 Sonoma San Antonio Creek, Highway 101 3 Comment
  HSC100871  Paspalum distichum Peter Warner 2011-8-18 233 Sonoma Pitkin Marsh, ~1.5 mi. SE of Forestville, lower marsh, in channel, ~50 m S of N edge of parcel. 42 Comment
  UC635622  Paxistima myrsinites H. L. Mason 1934-4-28 8079 Sonoma Dohrman Creek at head of Jensen's Ranch Comment
  CAS-BOT-BC207034  Pelargonium zonale Ethel Hodges 1946-7-1 s.n. Sonoma Stewart's Pt. Comment
  CAS-BOT-BC69304  Pellaea andromedifolia Peter Rubtzoff 1952-6-3 1145 A Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  UCD151085  Pellaea mucronata James A. Neilson Jr. 1974-6-1 2769 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, ca. 3 1/2 mi. west of Whispering Pines, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  SEINET10732556  Peniocereus greggii var. transmontanus George Thurber 1851-1 Sonoma Comment
  UC672463  Penstemon heterophyllus H. L. Mason 1934-4-28 8071 Sonoma Jensen's Ranch head of Dohrman Creek, Jensen's Ranch Comment
  JEPS27315  Penstemon heterophyllus var. heterophyllus Eleanor Armstrong 1932-5-26 479 Sonoma 1 1/2 mi e Camp Meeker; e of Camp Meeker 121 Comment
  UC27456  Penstemon heterophyllus var. heterophyllus H. N. Bolander 1864-1 3957 Sonoma at the Geysers Comment
  NY601731  Penstemon heterophyllus var. heterophyllus J. L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 miles south of Trinity Road and about 5 miles northeast of California Highway 12, about 13 airline miles southeast of Santa Rosa 640.1 Comment
  NY811992  Penstemon heterophyllus var. heterophyllus J. L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 miles south of Trinity Road and about 5 miles northeast of California Highway 12, about 13 airline miles southeast of Santa Rosa 640 Comment
  CAS-BOT-BC71728  Pentagramma triangularis subsp. triangularis Ira L. Wiggins 1932-3-12 5761 Sonoma Fence row between Knight's Valley and Franz Valley Comment
  CAS-BOT-BC71729  Pentagramma triangularis subsp. triangularis D. E. Breedlove 1980-6-27 44765 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC71730  Pentagramma triangularis subsp. triangularis Peter Rubtzoff 1952-6-3 1164 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC222746  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-7-30 5778 Sonoma Atascadero Creek Marsh Comment
  RSA264720  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1975-8-16 8328 Sonoma Bennett Mountain Lake, near south side of lake Comment
  RSA97466  Perideridia kelloggii F. W. Peirson 1925-8-8 6343 Sonoma 5 miles south of Santa Rosa Comment
  CAS-BOT-BC413653  Persicaria amphibia Peter Rubtzoff 1958-8-23 3925 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Rd.) Comment
  UCD99359  Persicaria amphibia Ann F. Johnson 1979-6-19 s.n. Sonoma South of entrance road to Bodega Dunes State Park. Comment
  UCD99060  Persicaria hydropiper Frederica Bowcutt 1997-7-18 2174 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  CAS-BOT-BC418909  Persicaria hydropiperoides Peter Rubtzoff 1958-8-31 3954 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC418916  Persicaria hydropiperoides Peter Rubtzoff 1956-9-15 2897 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC418922  Persicaria hydropiperoides Peter Rubtzoff 1958-9-6 3968 Sonoma Laguna de Santa Rosa north of Cunningham (nr. Todd Road) Comment
  SD99429  Persicaria hydropiperoides Peter Rubtzoff 1954-8-10 1675 Sonoma Bodega Head Marsh, open marshy ground Comment
  CAS-BOT-BC419109  Persicaria lapathifolia Peter Rubtzoff 1962-10-23 5127 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC419116  Persicaria lapathifolia Peter Rubtzoff 1965-9-5 5643 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville) Comment
  CAS-BOT-BC419122  Persicaria lapathifolia Walter Knight; Irja Knight 1963-9-13 253 Sonoma On Rainsville Rd near Liberty Road, Petaluma Comment
  CAS-BOT-BC419269  Persicaria maculosa Peter Rubtzoff 1954-7-27 1580 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC540804  Persicaria pensylvanica Peter Rubtzoff 1973-9-9 7325 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC419426  Persicaria punctata Peter Rubtzoff 1958-8-31 3949 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC330277  Petasites frigidus var. palmatus Walter Knight; Irja Knight; Dr. Stephen W. Edwards 1986-8-17 5512 Sonoma 4.85 mi from end of Mill Creek Road. Comment
  JEPS128227  Petrorhagia prolifera Roger Raiche 2000-5-4 076 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC923136  Phacelia Freed W. Hoffman 1950-7-20 3333 Sonoma headwaters Gilliam (Gilman) Creek North Coast Ranges, Marble Mine Ridge Comment
  UC1047008  Phacelia californica L. R. Heckard and P. C. Silva 1952-4-14 219 Sonoma along state hwy 1 just s Goat Rock Comment
  UC753396  Phacelia californica Florence Signaigo and Thomas Morley 1946-5-19 129 Sonoma Vine Hill School rd 5-6 mi n Sebastopol 30 Comment
Read comments
Dec 30 2011
  RSA184835  Phacelia distans L. S. Rose 1965-4-4 65021 Sonoma One mile north of Sonoma. 61 Comment
  SD130514  Phacelia distans F. Almeda, G. DeNevers 1981-4-28 4902 Sonoma 0.5 mile from main gate to Pepperwood Rancdh Natural Preserve, just off Franz Valley Road. Comment
  JEPS1968  Phacelia egena F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  JEPS83658  Phacelia egena R. Raiche 1987-5-20 70193 Sonoma N of Cazadero, The Cedars, headwaters of Big Austin Creek, creek branch referred to locally as Azealea Creak. 280 Comment
  UC909958  Phacelia imbricata Alice Eastwood 1915-6-5 4569 Sonoma Petrified Forest Comment
  RSA178039  Phacelia imbricata subsp. imbricata Robert F. Thorne 1965-4-20 34390 Sonoma Los Alamos Road, ca. one to two miles northeast of State Highway 12. Comment
  RSA783845  Phalaris Peter Rubtzoff 1978-5-20 9175 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road (off N side of road, in Todd Road Wildflower Preserve). Comment
  UC1146585  Phalaris aquatica Freed W. Hoffman 1943-6-1 2218 Sonoma near Guerneville (Lone Mountain Farm); North Coast Ranges, Lone Mountain Farm Comment
  UC730028  Phalaris californica Leo F. Koch 1940-4-20 806 Sonoma along Plantation Road ten mi from Highway 101 Comment
Read comments
Jun 1 2015
  UCD164098  Phalaris lemmonii Peter Rubtzoff; Nancy Harrison 1978-5-20 9175 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road (off N side of road, in Todd Road Wildflower Preserve). Comment
  JEPS70603  Phalaris minor Chas. Rule 1846-6-9 Sonoma within one mi of the ocean Jenner; , within one mi of the ocean Comment
  SEINET4182702 Image available Phalaris minor Leo Koch 1940-4-24 852 Sonoma At Cuttings Wharf near Petaluma. Comment
  UC1023572  Phalaris minor Virginia Bufford 1936-5-19 259 Sonoma Bennett Valley 2 or 3 mi from Santa Rosa; Bennett Valley 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-BC383036  Phalaris paradoxa Greg de Nevers 1998-6-28 11295 Sonoma Lautenberg Ranch, Spencer Lane, Knights Valley. Comment
  UCD89315  Phleum alpinum P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC260877  Phleum pratense Peter Rubtzoff 1951-7-7 382 Sonoma Eastern branch of the Upper Marsh, Pitkin Marsh near Forestville 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
  SEINET4132205 Image available Phoradendron bolleanum subsp. densum R. S. Peterson 1964-5-6 64 -28 Sonoma Northeast of Occidental 213 Comment
  UC1981710  Phyllospadix R. Ghelardi 1962-10-19 550 Sonoma Horseshoe Cove Comment
  UCD138381  Phyllospadix torreyi P. G. Connors 1993-6-6 317 Sonoma Bodega Head and Dunes. Horseshoe Cove. Comment
  CAS-BOT-BC140625  Physocarpus capitatus Peter Rubtzoff 1955-5-21 1874 Sonoma Forestville Marsh Comment
  CDA39793  Phytolacca americana var. americana Peter Warner 2013-8-18 297 Sonoma 5381 Thomas Road, Sebastopol (northwest of Graton); along driveway, inside fenced area. 0 Comment
  CAS-BOT-BC202286  Pickeringia montana var. montana Severin A. Baumann 1953-7-4 14 Sonoma Along edge of road connecting Oakville and Boyes Springs, ca. 5 mi. from Boyes Springs 304 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
  CAS-BOT-BC78332  Pinus attenuata Walter Knight; Irja Knight 1963-12-27 463 Sonoma Summit, Pine Flat Rd. Comment
  UC1505975  Pinus muricata Daniel I. Axelrod 1983-7-7 E 3 Sonoma Vicinity of Salt Point; along State Hwy 1 76 Comment
  CAS-BOT-BC72731  Pinus sabiniana Walter Knight; Irja Knight 1963-9-1 263 Sonoma Asti Comment
  CAS-BOT-BC157651  Plagiobothrys Peter Rubtzoff 1971-5-8 6449 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  CAS-BOT-BC173661  Plagiobothrys Peter Rubtzoff 1969-5-11 6047 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  UC881363  Plagiobothrys Alice Eastwood 1921-5-8 10482 Sonoma Petaluma Comment
  UCD166128  Plagiobothrys Peter Rubtzoff 1969-5-3 6012 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. 21 Comment
  CAS-BOT-BC154993  Plagiobothrys Peter Rubtzoff 1970-5-16 6217 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC157650  Plagiobothrys Peter Rubtzoff 1971-5-8 6443 Sonoma E foothills of Sonoma Mtns. On Sobre Vista Road, 0.9 mi. W of Arnold Drive. Comment
  CAS-BOT-BC173530  Plagiobothrys Peter Rubtzoff 1969-5-24 6062 Sonoma Vernal pool, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  JEPS117078  Plagiobothrys Peter Warner 2010-5-6 141 Sonoma Annadel State Park, in upland vernal pool ~250 m N of Canyon Trail, ~220 m W of Spring Creek, just S of old rock wall Comment
  SD260916  Plagiobothrys Peter Rubtzoff 1969-6-15 6094 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CDA13131  Plagiobothrys bracteatus G. F. Hrusa, R. Gross 1996-6-3 13066 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  RSA785158  Plagiobothrys bracteatus Peter Rubtzoff 1969-5-3 6012 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  RSA620969  Plagiobothrys bracteatus Peter Rubtzoff 1962-6-8 4889 Sonoma Bennett Mountain Lake Comment
  JEPS61007  Plagiobothrys greenei Milo S. Baker 1927-5-8 2131 a Sonoma road summit near Bennett Valley Comment
  UC78077  Plagiobothrys nothofulvus K. Brandegee May 1889 Sonoma Cloverdale Comment
  UCD120885  Plagiobothrys nothofulvus Botany 102 students 1993-4-24 101 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. SE of Sonoma Creek, 1.25 air miles SE of Red Mtn, along Hillside Trail. 396 Comment
  UCD120863  Plagiobothrys reticulatus Mary M. Hektner 1974-7-5 121 -A Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR255045  Plagiobothrys reticulatus var. reticulatus Greg de Nevers 1989-1 9070 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD166071  Plagiobothrys tener var. tener Peter Rubtzoff; H. A. Froebe 1971-5-30 6488 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  RSA634964  Plantago coronopus Michael A. Vincent, Ethan H. Freid 1998-4-8 8175 Sonoma Bodega Bay, Bodega Bay Marine Reserve, off Bodega Road, Bodega Head Comment
  UCR143594  Plantago erecta G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  SD39913  Plantago lanceolata Edith A. Purer 1932-7-21 4050 Sonoma Bodega Bay Comment
  UC1084369  Plantago lanceolata G. Thomas Robbins 1937-3-26 35 Sonoma between Freestone and Bodega Comment
  CAS-BOT-BC258383  Plantago subnuda Peter Rubtzoff 1960-6-9 4489 Sonoma Laguna de Santa Rosa area northeast of Graton, near Laguna Road. Comment
  CAS-BOT-BC258384  Plantago subnuda Peter Rubtzoff 1955-8-6 2022 Sonoma Bodega Harbor Marsh. Comment
  RSA800875  Plantago subnuda Peter Rubtzoff 1955-8-6 2022 Sonoma Bodega Harbor Marsh Comment
  UCD150600  Plantago subnuda Laurie E. Miller 1974-5-11 164 Sonoma Bodega Bay, W side of bay head; 0.5 mi. W of Bodega Station. Comment
  UCSB50227  Plantago subnuda Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach; T6N RllW 15 Comment
  SEINET3854582 Image available Platystemon Lewis S. Rose 1933-5-9 33157 Sonoma Bodega Bay. Comment
  CAS-BOT-BC92115  Platystemon californicus Alice Eastwood 1915-6-29 4862 Sonoma Bodega Point. Comment
  CAS-BOT-BC92127  Platystemon californicus Roxana S. Ferris; D. H. Morey 1958-4-10 13328 Sonoma Bodega Bay. Comment
  CHSC60118  Platystemon californicus E. L. Knight 1988-4-1 5 Sonoma Ca 0.25 m ene of southernmost point of Bodega Head and 100 ft n of Pacific Ocean. 15 Comment
  UC147066  Platystemon californicus H. P. Chandler 1907-4-28 7548 Sonoma near road to Mark West Sprs.; near road to Mark West Sprs. Comment
  SEINET5340051  Platystemon californicus A. A. Heller, H. E. Brown 1902-3-20 5105 Sonoma Near Windsor. Comment
  POM253176  Plectritis congesta subsp. nitida A. A. Heller 1938-5-14 15088 Sonoma Just east of Bodega Bay. Comment
  SEINET780339  Plectritis samolifolia J. Ewan 1935-5-13 9262 Sonoma Wright School on Sebastopol Road. Comment
  OBI22107  Pleuropogon californicus Lewis S. Rose 1962-4-11 62020 Sonoma Laguna de Santa Rosa, 1/2 mi E of Cunningham 15 Comment
  SD71039  Pleuropogon californicus David L. Morgan 1961-4-25 Sonoma Low wet field near Stemple Creek, 3 miles southwest of Cotati 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
  UCD36835  Pleuropogon californicus Beecher Crampton 1956-3-12 3220 Sonoma Sonoma County, Alexander Valley Store. Comment
  CAS-BOT-BC260969  Pleuropogon californicus var. californicus K. Wagnon 1939-5-11 191 Sonoma In sink east of Santa Rosa Fair Grounds Comment
  JEPS117079  Pleuropogon californicus var. californicus Peter Warner 2010-5-6 140 Sonoma Annadel State Park, in upland vernal pool ~250 m N of Canyon Trail, ~220 m W of Spring Creek, just S of old rock wall Comment
  CAS-BOT-BC422342  Poa Peter Rubtzoff 1976-5-30 8560 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC422356  Poa Peter Rubtzoff 1976-5-30 8557 Sonoma Kenwood Marsh. Comment
  UCD92209  Poa Collector Unknown 1942-4-1 377 Sonoma bank of Mark West Creek, about 3 miles east of Springs on the main road. Comment
  CAS-BOT-BC254552  Poa douglasii A. A. Heller 1902-3-29 5187 Sonoma At Bodega Bay Comment
  SEINET175724 Image available Poa douglasii Marcus E. Jones 1882-5-13 Sonoma Santa Rosa Comment
  CAS-BOT-BC246637  Poa howellii A. A. Heller 1902-3-27 5168 Sonoma Western base of Mt. Hood Comment
  POM204984  Poa howellii A. H. Heller 1902-3-27 5168 Sonoma Western base of Mt. Hood 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-BC256037  Poa pratensis Peter Rubtzoff 1960-6-8 4465 Sonoma Fife Creek Marsh Comment
  POM204983  Poa secunda A. A. Heller 1902-4-9 5249 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  UCD91631  Poa secunda subsp. secunda Freed W. Hoffman 1942-4-15 2261 Sonoma Near Guerneville, Herr Ranch. Comment
  CAS-BOT-BC244193  Poa trivialis Peter Rubtzoff 1951-7-8 410 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC244194  Poa trivialis Peter Rubtzoff 1962-5-25 4831 Sonoma Laguna de Santa Rosa N of Sebastopol, near Occidental Road crossing Comment
  CAS-BOT-BC244259  Poa unilateralis A. A. Heller 1902-4-11 5279 Sonoma Bodega Bay Comment
  CAS-BOT-BC312691  Poaceae Peter Rubtzoff 1964-5-31 5336 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg, along Russian River. Comment
  CDA41540  Pogogyne douglasii G. F. Hrusa, A. Buckmann 1996-10-5 13586 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. 2 mi. SW of Calistoga. Comment
  RSA83443  Pogogyne douglasii F. W. Peirson 1925-8-8 6340 Sonoma Field 6 miles south of Santa Rosa Comment
  CDA11013  Polycarpon tetraphyllum G. F. Hrusa 1993-3-14 10527 Sonoma North Coast Biodiversity Arena; NW base of Mt. St. Helena. Foote Ranch, approx 10 m N of Calistoga on Hwy 128. 152 Comment
  JEPS128244  Polycarpon tetraphyllum Roger Raiche 2000-3-30 053 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  OBI48882  Polygala californica Michener & Bioletti, Bioletti June 1893 s.n. Sonoma Hoods Peak Comment
  UC450157  Polygala californica Miss C. M. Hoak August 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC110532  Polygonum Peter Rubtzoff 1973-8-20 7223 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC164392  Polygonum Peter Rubtzoff 1970-5-30 6248 Sonoma 5 mi. north of Sears Point Comment
  RSA0018588  Polygonum Peter Rubtzoff 1966-8-25 5802 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCD166217  Polygonum Peter Rubtzoff 1970-5-30 6246 Sonoma 5 mi. north of Sears Point. Comment
  CAS-BOT-BC164043  Polygonum arenastrum Peter Rubtzoff 1961-8-22 4681 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC414110  Polygonum aviculare subsp. aviculare Walter Knight; Irja Knight 1963-10-3 346 Sonoma Bennett Valley Comment
  CAS-BOT-BC414111  Polygonum aviculare subsp. aviculare G. DeNevers 1981-6-8 1507 Sonoma Pepperwood Ranch. In Pippindale Garden Comment
  RSA234544  Polygonum hydropiperoides Peter Rubtzoff 1960-9-14 4535 Sonoma Laguna de Santa Rosa, E of Graton, (between Occidental and Guerneville road) Comment
  SD39936  Polygonum paronychia Edith A. Purer 1932-7-24 4072 a Sonoma Bodega Bay Comment
  UC62436  Polypodium J. Burtt Davy 1896-3-14 1662 Sonoma Austin Creek Comment
  CAS-BOT-BC76862  Polypodium calirhiza Walter Knight; Irja Knight 1963-12-27 449 Sonoma Pine Flat Road Comment
  CDA10946  Polypodium glycyrrhiza G. F. Hrusa, G. L. Stebbins 1994-3-28 11704 Sonoma North Coast Biodiversity Arena; Half-way to summit of grade immediately NW of Cazadero. 0 Comment
  CAS-BOT-BC72112  Polypodium scouleri John Thomas Howell 1930-7-27 5393 Sonoma 1 mile north of Fort Ross Comment
  CAS-BOT-BC233192  Polypogon interruptus Peter Rubtzoff 1958-7-26 3802 Sonoma Laguna de Santa Rosa, E of Sebastopol Comment
  POM206737  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Near Sonoma. Comment
  UCD161843  Polypogon monspeliensis James A. Neilson Jr. 1975-6-26 s.n. Sonoma Mayacmas Mountains, Caldwell Pines area, Wildhorse #1. (Exact location unknown, coordinates estimated by label maker. Georeferenced near Wildhorse Cr.) Comment
  UCD91325  Polypogon monspeliensis Hursh 1919-5-12 X 3252 Sonoma Santa Rosa. Comment
  UCD91352  Polypogon monspeliensis David L. Morgan 1955-6-25 s.n. Sonoma On Bloomfield Rd., 2 mile north of junction of Petaluma-Valley Ford Rd. Comment
  HSC86326  Polystichum californicum R. W. Becking 1984-3-9 Sonoma Cloverdale, Hwy. 128 W 2 mi. from Hwy. 101 intersection, Alderglen Springs Comment
  SEINET11718544  Polystichum californicum W. Knight, Knight, I.; Edwards, S. W. 1986-1 5509 Sonoma 2.75 mi from end of Mill Creek Road 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
  UC1041134  Polystichum munitum J. W. Congdon 1892-5-29 Sonoma Cazadero Comment
  UC62824  Polystichum munitum J. Burtt Davy 1896-3-15 1675 Sonoma Fort Ross Comment
  CAS-BOT-BC102670  Populus fremontii Peter Rubtzoff 1965-8-22 5609 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville) Comment
  CAS-BOT-BC102671  Populus fremontii Irja Knight; Walter Knight 1964-11-9 802 Sonoma Odds Fellows Park on Russian River Comment
  CAS-BOT-BC376233  Potamogeton Greg de Nevers 1992-8-16 10246 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Franz Creek 304 Comment
  CAS-BOT-BC267131  Potamogeton M. S. Baker 1899-6-28 3653 b Sonoma Russian River, near mouth Comment
  CAS-BOT-BC249289  Potamogeton crispus Peter Rubtzoff 1969-8-14 6126 Sonoma Salmon Creek, 5 miles west of Bodega (town) on Salmon Creek Road (1.1 mi. west of Finlay Creek Crossing). Comment
  CAS-BOT-BC272847  Potamogeton nodosus Peter Rubtzoff 1970-8-18 6312 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC453899  Potamogeton nodosus Greg de Nevers 1992-6-26 10188 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  JEPS42986  Potamogeton nodosus Willis L. Jepson 1892-8-7 13767 Sonoma near Geyserville; Russian River Comment
  UCR244640  Potamogeton pectinatus Peter Rubtzoff 1970-8-5 6296 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
  UC903040  Potentilla anserina subsp. pacifica Ethel Crum 1930-6-8 742 Sonoma one mi e Bodega Bay (bottom of gulch); e of Bodega Bay Comment
  CAS-BOT-BC354314  Prosartes Peter Rubtzoff 1957-5-4 3316 Sonoma Duncans Mills Marsh area. Comment
  JEPS128324  Prosartes hookeri Roger Raiche 2000-3-26 006 .00 Sonoma The Cedars. Lower Russian, Big Austin Creek watershed. Comment
  CAS-BOT-BC516394  Prosartes hookeri A. A. Heller; H. E. Brown 1902-3-27 s.n. Sonoma Western base of Mt. Hood Comment
  UCD36685  Prunella vulgaris Beecher Crampton 1955-6-17 2934 Sonoma 0.5 mile south of Guerneville. Comment
  UC495537  Prunella vulgaris var. lanceolata Merle Randall 1930-6-8 Sonoma Cazadero Comment
  CAS-BOT-BC368037  Prunus subcordata Greg de Nevers 1998-7-6 11298 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Leslie Road 400 Comment
  UCR255040  Prunus subcordata Greg de Nevers 1998-4-21 11156 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS128240  Pseudognaphalium luteoalbum Roger Raiche 2000-5-4 079 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD165870  Pseudognaphalium luteoalbum Peter Rubtzoff 1970-10-3 6403 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC357452  Pseudognaphalium ramosissimum Catherine Best 1984-9-18 1041 Sonoma Near the pond on Stoetz Lane about 2 miles northeast of Occidental Comment
  CAS-BOT-BC80184  Pseudotsuga menziesii A. A. Heller; H. E. Brown 1902-3-31 5188 Sonoma Mt. Hood Comment
  OBI21026  Pseudotsuga menziesii Dave Morse 1972-7-29 1 Sonoma 1 mi NE of Cloverdale on Hwy 128 91 Comment
  POM21757  Pseudotsuga menziesii A. A. Heller, H. E. Brown 1902-3-31 5188 Sonoma Mt. Hood Comment
  CAS-BOT-BC80186  Pseudotsuga menziesii Herman Knoche 1919-11-24 Series A, No. 3091 1/2 Sonoma East of Santa Rosa Comment
  UCD166076  Psilocarphus Peter Rubtzoff 1971-6-5 6512 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC176115  Psilocarphus Peter Rubtzoff 1963-7-14 5203 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC176174  Psilocarphus Peter Rubtzoff 1970-5-30 6249 Sonoma 5 miles north of Sears Point. Comment
  RSA94031  Psilocarphus brevissimus M. S. Baker 1928-5-26 3027 Sonoma Near summit of Bennet Val. Road. Comment
  CAS-BOT-BC362079  Psilocarphus tenellus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53942 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCD133718  Psilocarphus tenellus var. tenellus Frederica Bowcutt 1996-5-21 2142 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon, campfire center, N of Somoma Creek about 40 meters. 365 Comment
  RSA770897  Psoralea physodes Robert F. Thorne 1965-4-20 34369 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  CAS-BOT-BC72688  Pteridium aquilinum John H. Thomas 1976-6-16 18290 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC72689  Pteridium aquilinum Peter Rubtzoff 1951-8-18 613 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC421371  Pterostegia drymarioides Milo S. Baker 1925-4-26 234 Local Sonoma Bluff opp. House, Maple Glen Comment
  SEINET10479891  Pterostegia drymarioides A. Arthur Heller, H. E. Brown 1902-5-27 Heller s.n. 1902 Sonoma Bodega Bay on Sand Hills. From type station. Comment
  CAS-BOT-BC36523  Quercus James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  UCD45323  Quercus X chasei John M. Tucker 1952-9-20 2618 Sonoma (Q. kelloggii Newb. X Q. agrifolia Nee). California, Sonoma Co.: Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, along a lane running east from Voight farmhouse. Comment
  RSA34661  Quercus X ganderi G. Ledyard Stebbins 1943-6-18 3364 Sonoma 2.5 miles N of Cotati; on road to Sebastopol. Comment
  RSA74458  Quercus X ganderi C. F. Baker 1952-9-20 12518 Sonoma Sonoma County: Voight Ranch Sw of Cunningham Station Comment
  CDA11260  Quercus X morehus G. F. Hrusa 1994-10-25 11915 Sonoma North Coast Biodiversity Arena; Austin Creek State Recreation Area. Gilliam Creek, below Bullfrog Pond Camp. Comment
  CAS-BOT-BC61632  Quercus agrifolia Irja Knight; Walter Knight 1964-11-15 794 Sonoma along road half way up Hood's Peak Comment
  CHSC78080  Quercus agrifolia David Cherrtham 1998-6-26 34 Sonoma I street extension, Petaluma. 42 Comment
  JEPS37365  Quercus agrifolia Miss R. Kuhn 1913-10-1 Sonoma Sonoma Valley Comment
  UC1193301  Quercus agrifolia R. H. Neuns 1950-4-26 96 Sonoma 5 mi w Geysers (Sulphur Creed Rd, Quad 60B3) 487 Comment
  SEINET12030396  Quercus agrifolia W. Knight, Knight, I.; Howell, J. T. 1984-1 s.n. Sonoma 0.4mi up Cavedale Rd from Hwy-12 91 Comment
  UCD162812  Quercus berberidifolia D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2015-3-8 1684 Sonoma Hooker Creek watershed. 590 Comment
  LA46478  Quercus chrysolepis Marcus E. Jones; A. M. 1931-8-3 28846 Sonoma Cloverdale Comment
  POM188377  Quercus chrysolepis Marcus E. Jones 1931-8-3 28846 Sonoma Cloverdale. Comment
  UC478891  Quercus chrysolepis Marcus E. Jones, A. M. 1931-8-3 28846 Sonoma Cloverdale Comment
  CDA11973  Quercus durata G. F. Hrusa, J. Pfeiffer 1995-9-23 12465 Sonoma North Coast Biodiversity Arena; Volcanic ash at Cavedale Edaphic Island, 2.7 m. E of Hwy. 12 on Cavedale Rd. Varying strongly toward Q. berberidifolia. Pure berberidifolia within 100 meters on basalt volcanics. Comment
  JEPS83643  Quercus durata R. Raiche 1988-1-19 80003 Sonoma Bummer Peak Area, Rockpile Rd Lake Sonoma Area 329 Comment
  SEINET12030394  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5103 Sonoma 2.65 mi up Cavedale Rd from Hwy 12 Comment
  UCD46178  Quercus garryana Roman Gankin 1967-10-4 1078 2 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  JEPS77253  Quercus garryana Robert M. Lloyd 1963-4-24 2392 Sonoma 13.8 mi from State Highway 12 (on road to Oakdale) 365 Comment
  OBI37030  Quercus garryana var. garryana P. C. Pende 1979-10-7 s.n. Sonoma On hwy 116 3 mi from Sebastopol Comment
  SEINET2066832 Image available Quercus kelloggii Lewis S. Rose 1964-6-27 Sonoma 2 miles n of Sonoma 274 Comment
  UC1281159  Quercus kelloggii H. E. McMinn 1938-9-5 5256 Sonoma Hood Mt. Range Comment
  UC5630  Quercus kelloggii unknown 1899-6 111 Sonoma Asti Comment
  UC72503  Quercus kelloggii Miss K. Jones 1904-8-1 Sonoma Mt. Olivet Comment
  UCSB1177  Quercus kelloggii Haller, John 1960-5-28 Sonoma 2.5 miles northwest of U.S. 101, 3.5 miles northwest of Cloverdale on California 128 152 Comment
  SEINET12030240  Quercus lobata W. Knight, Knight, I. 1984-1 5159 Sonoma Joosb Ranch,Calistoga Road Comment
  UCD163814  Quercus parvula var. shrevei Stephen K. Langer; and Charles S. Rand 1998-6-30 s.n. Sonoma Highway 128, 0.7 mi. southeast of Mendocino County line. 213 Comment
  CAS-BOT-BC376399  Ranunculus Greg de Nevers 1996-4-18 10793 Sonoma Knight's Valley Marsh, on Bavarian Lion Ranch, south end of valley. 91 Comment
  SEINET9334866  Ranunculus californicus John Nelson, Wnek, R. 2000-3-7 20939 Sonoma Coleman Beach Comment
  UC827658  Ranunculus californicus Lewis S. Rose 1939-4-2 39051 Sonoma 3 mi n Bodega Bay Comment
  RSA634963  Ranunculus californicus Michael A. Vincent, Ethan H. Freid, Alex Reich 1998-4-8 8176 Sonoma Bodega Bay, Bodega Bay Marine Reserve, off Bodega Road, Bodega Head Comment
  UCD19911  Ranunculus californicus var. crassifolius C. H. Lamoureux; J. M. Tucker, J. McCaskill, and S. Armstrong 1957-4-7 1192 Sonoma Duncan Point, Sonoma Coast State Park. 15 Comment
  CDA11315  Ranunculus lobbii G. F. Hrusa, A. Buckman, R. Gross 1995-4-1 12030 Sonoma North Coast Biodiversity Arena; Laguna de Santa Rosa. Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. Comment
  SEINET12094350  Ranunculus parviflorus H. K. Wagnon 1989-1 1867 Sonoma 5555 Montgomery Dr., Santa Rosa 67 Comment
  POM269796  Ranunculus pusillus G. Thomas Robbins 1937-5-23 181 Sonoma edge of vernal pool, near Wright School on Hwy betw Santa Rosa and Sepastopol Comment
  RSA94006  Ranunculus pusillus Peter Rubtzoff 1951-6-17 269 Sonoma Western branch of the Upper Marsh. Comment
  UCD97085  Ranunculus repens Mary M. Hektner 1976-6-23 261 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SDSU10124  Ranunculus uncinatus D. F. Howe 1972-5-2 4820 Sonoma Trail above Duncan Mills pond. Comment
  CDA39791  Rhagadiolus stellatus Peter Warner 2013-4-23 300 Sonoma Near Glen Ellen, Stuart Creek Hill property, ~ 120 m, S 233 deg. W from Highway 12 at Stuart Creek crossing. 0 Comment
  RSA390199  Rhamnus californica Christopher Davidson 1977-6-20 60115 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  RSA94322  Rhamnus californica Peter Rubtzoff 1951-8-18 616 Sonoma Uppermost part of the western branch of the upper. Comment
  CAS-BOT-BC53740  Rhododendron columbianum Mary P. Wells 1985-10-4 670 Sonoma pygmy forest south of Gualala River and east of Coast Highway Comment
  CDA38870  Rhododendron columbianum T. C. Fuller 1958-5-24 3996 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  UC571040  Rhododendron macrophyllum Herbert L. Mason 1928-7-11 4894 Sonoma 2 mi n of Fort Ross Comment
  CAS-BOT-BC200345  Rhododendron occidentale var. occidentale John H. Thomas 1955-5-22 5190 Sonoma Graton - Occidental Road, about 3.5 miles west of Occidental 60 Comment
  CAS-BOT-BC200350  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-2 89 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  RSA787919  Rhododendron occidentale var. occidentale G. Fred Hrusa 1989-5-8 6091 Sonoma Hogback Mountain at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  CAS-BOT-BC111862  Rhynchospora alba Milo S. Baker; John Thomas Howell 1945-7-18 11113 Sonoma Pitkin Marsh, upper bog. Comment
  CAS-BOT-BC111891  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh 182 Comment
  NY51372  Rhynchospora californica J. T. Howell 1936-7-26 12679 Sonoma Pitkin Marsh, 5 mi N of Sebastopol. Comment
  CAS-BOT-BC111903  Rhynchospora capitellata Peter Rubtzoff 1951-9-2 726 Sonoma Pitkin Marsh; lower part of the upper marsh. Comment
  RSA35297  Rhynchospora capitellata J. T. Howell 1936-7-26 12677 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  UCD141235  Rhynchospora capitellata Peter Rubtzoff 1951-7-28 561 Sonoma Pitkin Marsh, near Forestville. Upper Marsh. Comment
  UC710441  Rhynchospora globularis var. globularis John Thomas Howell 1936-7-26 12678 Sonoma 5 mi n Sebastopol; Pitkin Marsh Comment
  UC75435  Ribes californicum Milo S. Baker 1898-4-6 22 Sonoma Skagg's Springs Comment
  CAS-BOT-BC168996  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1962-4-11 4786 Sonoma Laguna de Santa Rosa east of Cunningham, near Llamo Road Comment
  CAS-BOT-BC198922  Ribes roezlii var. cruentum A. A. Heller; H. E. Brown 1902-3-12 5037 Sonoma Sonoma Creek, Eastern Base of Mt. Hood Comment
  UC75454  Ribes roezlii var. cruentum Milo S. Baker 1903-3-20 Sonoma Hood Mt. Comment
  UC79623  Ribes victoris Michener and Bioletti Apr. 1893 Sonoma Adobe Canyon Comment
  CAS-BOT-BC74721  Rorippa curvisiliqua John Thomas Howell 1947-6-26 23303 Sonoma Cunningham Marsh. Comment
  JEPS79426  Rorippa curvisiliqua Nancy Harrison 1980-4-7 Sonoma Park Trail Drive South Santa Rosa (s Santa Rosa) 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
  UCD165110  Rosa Peter Rubtzoff 1973-9-9 7314 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC152665  Rosa californica Greg de Nevers 1995-6-3 10747 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, along Franz Creek, just below Mountain House 487 Comment
  CAS-BOT-BC152677  Rosa californica F. G. Krauss 1893-10-16 s.n. Sonoma Petaluma Valley Comment
  POM187580  Rosa gymnocarpa Marcus E. Jones 1931-7-5 29009 Sonoma West of Cloverdale. Comment
  CAS-BOT-BC148197  Rosa rubiginosa Walter Knight; Irja Knight 1988-6-9 6262 Sonoma In pastureland along Valley Ford Cutoff between Bodega Hwy. jct. and Valley Ford 45 Comment
  CAS-BOT-BC344899  Rosaceae Peter Rubtzoff 1951-8-26 684 Sonoma Along road from East Guernewood to Vacation Beach (Guerneville Region). Comment
  UCR265086  Rubus armeniacus Ann Howald 2015-4-28 3374 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, c. 11.7 miles west of intersection with Rockpile Rd, Warm Springs drainage 431 Comment
  UC12978  Rubus parviflorus J. Burtt Davy 1896-3-14 1679 Sonoma Fort Ross Comment
  UCD113825  Rubus parviflorus Donna Allen 1977-5-29 s.n. Sonoma 20 miles from coast. Comment
  RSA800353  Rubus spectabilis Peter Rubtzoff 1955-5-14 1853 Sonoma Duncan Mills Marsh. Upper portion of the marsh. Comment
  RSA800354  Rubus spectabilis Peter Rubtzoff 1957-4-28 3291 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC157175  Rubus ursinus Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  UC666157 Image available Rubus ursinus S. W. Brown 1942-5-10 42004 Sonoma 2 mi n Ft. Ross State Historic Monument; Ft. Ross Comment
  UCD114007  Rubus ursinus Mary M. Hektner 1974-6-3 019 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD166411  Rubus ursinus Peter Rubtzoff 1958-5-3 3613 Sonoma Atascadero Creek Marsh. Comment
  UCD17810  Rubus ursinus H. Olmo 8-10 May 1962 62 04 Sonoma California. Sonoma County: 1.4 miles from Bridgehaven Restaurant turnoff, heading north. Comment
  RSA783796  Rumex Peter Rubtzoff 1964-6-3 5351 Sonoma Bodega Bay Marsh. Comment
  UCD166303  Rumex Peter Rubtzoff 1966-8-20 5793 Sonoma Boggs Lake. On south side of lake. Comment
  UCR255649  Rumex Greg de Nevers 1997-9-22 11088 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC157665  Rumex Peter Rubtzoff 1971-6-29 6579 Sonoma Pitkin Marsh. Area 27. Comment
  CAS-BOT-BC166796  Rumex Peter Rubtzoff 1962-8-22 5039 Sonoma Bodega Bay Marsh. Comment
  UCR178427  Rumex acetosella Frederica Bowcutt 1994-5-21 1827 Sonoma Sugarloaf Ridge State Park, c. 40 air mi N of San Francisco and c. 11 air mi east of Santa Rosa; c. 2.5 air mi NE of Kenwood; c. 18 air mi NW of Napa. Meadow trail and Gray Pine (Digger Pine) trail, 1 mile from trailhead 396 Comment
  UCD101060  Rumex acetosella Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 72 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail S of Sonoma Creek about 1/8 mile from beginning of trail. 381 Comment
  CAS-BOT-BC421852  Rumex conglomeratus Peter Rubtzoff 1951-6-30 309 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  UCD101121  Rumex crassus Ann F. Johnson 1979-6-19 s.n. Sonoma South of entrance road to Bodega Dunes State Park. Comment
  UCD160131  Rumex crispus James A. Neilson Jr. 1973-6-6 3061 Sonoma Mayacmas Mountains. The Geysers. Site IV A. (Exact location of Site IV A unknown. Elevation and coordinates estimated to be near Site IV G by label maker.) 731 Comment
  CAS-BOT-BC433415  Rumex crispus Walter Knight; Irja Knight 1963-9-25 122 Sonoma Coddingtown, Blue Bell Lane Comment
  UCR256124  Rumex paucifolius Greg de Nevers 1995-9-25 10773 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC173566  Rumex pulcher Peter Rubtzoff 1966-6-5 5751 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC433844  Rumex pulcher Peter Rubtzoff 1951-7-7 381 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC249309  Sagina Peter Rubtzoff 1956-9-14 2886 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  UC465492  Sagina maxima subsp. crassicaulis Katharine Brandegee 1905-1 Sonoma Bodega Point Comment
  RSA227245  Sagittaria latifolia Peter Rubtzoff 1955-8-28 2111 Sonoma Forestville Marsh Comment
  RSA94089  Sagittaria latifolia J. T. Howell 1946-8-17 22879 Sonoma The Laguna east of Sebastopol Comment
  CAS-BOT-BC290700  Salix Peter Rubtzoff 1973-9-9 7313 Sonoma Kenwood Marsh. Comment
  RSA0018589  Salix Peter Rubtzoff, J. Eckenwalder 1974-4-6 7361 Sonoma Salmon Creek canyon 0.25 mi. south of Freestone. Comment
  CAS-BOT-BC126270  Salix X sepulcralis Peter Rubtzoff 1951-8-19 645 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC126271  Salix X sepulcralis Peter Rubtzoff 1952-5-31 1117 Sonoma Southern half of Lower 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-BC103083  Salix bonplandiana Peter Rubtzoff 1966-9-10 5819 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC103093  Salix bonplandiana Peter Rubtzoff 1969-8-26 6160 Sonoma Pond on River road 3 mi. west of Fulton Comment
  RSA13574  Salix coulteri W. A. Setchell 1934-7-10 7 Sonoma Coast Highway. N of Fort Ross. Comment
  CAS-BOT-BC107800  Salix hindsiana Ball; Bracelin; Parks 1931-4-21 38 Sonoma Mayacama Creek, 25 km. northwest of Calistoga, in ravine above creek Comment
  UC511618  Salix lasiandra subsp. lasiandra W. A. Setchell 1933-7-13 Sonoma Monte Rio Bohemian Grove (opposite iron warehouse on R.R.); , Monte Rio Comment
  CAS-BOT-BC128058  Salix lasiandra var. lasiandra Peter Rubtzoff; Theodore J. Crovello 1964-9-3 5494 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC107093  Salix lasiolepis Peter Rubtzoff 1964-8-26 5487 Sonoma Marsh 5 mi. northeast of Penngrove on Lichau Rd. 213 Comment
  RSA534495  Salix lasiolepis Peter Rubtzoff 1964-8-26 5487 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 Comment
  UC482118  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UC66161  Salix lasiolepis A. A. Heller 1902-3-11 5025 Sonoma hills 2 mi e Santa Rosa Comment
  CAS-BOT-BC107356  Salix lasiolepis var. bigelovii A. A. Heller 1902-3-28 5177 Sonoma Bodega Bay Comment
  RSA534486  Salix lucida subsp. lasiandra Peter Rubtzoff, T. J. Crovello 1964-9-3 5496 Sonoma Bodega Harbor Marsh. Comment
  LA208882  Salix melanopsis W. A. Setchell; 1931-8-1 sn Sonoma Russian River, Bohemian Grove, near Monte Rio Comment
  SJSU178  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Russian R, Bohemian Grove near Monte Rio Comment
  UC490560  Salix melanopsis Joseph P. Tracy 1932-5-8 9897 Sonoma Geyserville Northern Coast Ranges, Geyserville Comment
  CAS-BOT-BC126177  Salix scouleriana Belle Richardson Jackson 1924-8-1 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC126186  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 342 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  CAS-BOT-BC126196  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 342 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  RSA90536  Salix scouleriana Milo S. Baker 1939-4-12 3428 -c Sonoma W of Occidental 0.5 mile Coleman Valley Rd Comment
  CAS-BOT-BC128912  Salix sitchensis A. A. Heller 1902-3-12 5044 Sonoma Sonoma Creek, foot of Mt. Hood Comment
  UC453109  Salix sitchensis W. A. Setchell 1931-8-13 23 Sonoma 1 1/2 mi. in from Jenner-by-the-Sea (near Ferry Camp) Comment
  UC482066  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 344 Sonoma 2 km. e. Bodega Bay Comment
  UC482105  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 36 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  UC498691  Salix sitchensis Annetta Carter 1933-2-18 254 Sonoma 185 yds. from ocean Fort Ross (beside creek) 3 Comment
  LA208958  Salix sitchensis Carleton R. Ball; Bracelin, Parks, Parks 1931-4-21 35 Sonoma Mancama Creek, 25 km NE of Calistoga Comment
  UC726375  Salix sitchensis A. A. Heller 1900-3-12 5044 Sonoma e. flank Mt. Hood (Sonoma Creek); , Sonoma Creek Comment
Read comments
May 1 2014
  CAS-BOT-BC225212  Salvia sonomensis J. Clausen 1935-5-23 1073 b Sonoma 0.3 mi. N. of entrance to Petrified Forest Comment
  SEINET12320779  Salvia sonomensis W. Knight, Knight, I. 1981-1 3973 Sonoma 3.1mi up Cavedale Road from jct of state route #12 Comment
  UCSB5819  Salvia sonomensis Keator, Glenn 1959-4-2 Sonoma 2.5 miles east on Cavedale road; 3.6 miles from Agua Caliente Comment
  POM117139  Sanicula crassicaulis Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  RSA12259  Sanicula crassicaulis C. B. Wolf 1934-6-29 5804 Sonoma 6/10 of a mile inland from Stewart s Point. 61 Comment
  CDA6116  Sanicula laciniata D. G. Kelch 2007-5-13 07 .295-B Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  UCD166486  Saponaria Peter Rubtzoff 1965-9-5 5634 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River. Comment
  UC338957  Saxifraga californica Hy. Edwards April 1877 202 Sonoma Skaggs Spring Comment
  UC635550  Saxifraga californica H. L. Mason 1931-3-7 5807 Sonoma 12 mi w of Santa Rosa (Vine Hill School); Vine Hill School Comment
  CAS-BOT-BC441177  Saxifraga mertensiana A. A. Heller 1903-4-24 6616 Sonoma Woods near Cazadero Comment
  JEPS47532  Saxifraga stolonifera Emanuel Fritz 1926-6-4 Sonoma near Sebastopol (at the Sturgeon saw mill); near Sebastopol 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
  RSA0022391  Schedonorus arundinaceus Peter Rubtzoff 1962-5-5 4807 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC111437  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1958-8-23 3904 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llamo Road). Comment
  CAS-BOT-BC111631  Schoenoplectus californicus Peter Rubtzoff 1962-8-3 5030 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC111630  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4580 Sonoma Bodega Harbor Marsh; saline part. Comment
  CAS-BOT-BC111799  Schoenoplectus pungens var. badius Peter Rubtzoff 1954-8-10 1679 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC111842  Schoenoplectus tabernaemontani Peter Rubtzoff 1955-9-10 2135 Sonoma East Guernewood, near Guerneville. On a Russian River island. Comment
  CAS-BOT-BC111835  Schoenoplectus tabernaemontani Peter Rubtzoff 1963-8-17 5220 Sonoma Salt marsh near Petaluma River just east of Petaluma Comment
  SEINET11750538  Schoenoplectus tabernaemontani H. K. Wagnon 1988-1 1744 Sonoma Santa Rosa, Spring Lake Park, just S of Montgomery Dr 73 Comment
  UC1577333  Scoliopus bigelovii Baki Kasapligil 1968-3-16 4257 Sonoma 2.5 mi. s. Fort Ross (CA Hwy. 1) Comment
  SEINET12050505  Scoliopus bigelovii F. H. Utech 1988-1 88 -182 Sonoma 0.15 mi SE from East Ave jct with Bohemian Road on latter enroute to Occidental from Camp Meeker 140 Comment
  SEINET12058071  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -005 Sonoma 6 mi W of junction of Willow Creek Rd & Coleman Valley Rd on former, along Willow Creek 40 Comment
  CAS-BOT-BC240035  Scribneria bolanderi John Thomas Howell 1948-4-18 24209 Sonoma Hills east of Agua Caliente Comment
  UCD160751  Scrophularia californica James A. Neilson Jr. 1975-5-23 3208 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  UC884215  Scutellaria tuberosa John Thomas Howell 1937-4-11 12891 Sonoma e of Glen Ellen (Triniti Mountain); Triniti Mountain Comment
  CAS-BOT-BC64095  Sedum radiatum subsp. radiatum C. F. Leitholdt 1893-6-1 s.n. Sonoma Sonoma Mt. Comment
  UC726185  Selaginella wallacei A. A. Heller 1902-4-2 5201 Sonoma 10 mi from Santa Rosa (on Calistoga rd.) Comment
  UC769945  Selaginella wallacei R. F. Hoover 1941-5-14 5085 Sonoma 3 mi s Monte Rio (on rd. to Camp Meeker) Comment
  CAS-BOT-BC363275  Senecio aronicoides Alice Eastwood 1917-5-13 s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC327426  Senecio flaccidus var. douglasii Volney Rattan 1887-7-25 s.n. Sonoma Valley Springs Comment
  UCD148329  Senecio glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 miles southeast of Guerneville. Comment
  UCR280142  Senecio hydrophilus Peter Rubtzoff 1971-8-9 6636 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  UC1299455  Senecio sylvaticus Freed W. Hoffman 1948-5-30 2680 Sonoma near Guerneville; North Coast Ranges, Poole Ridge Comment
  UC254  Sequoia sempervirens M. Louise Douglass 1898-4-19 Sonoma Glen Ellen Comment
  UC403025  Sequoia sempervirens J. Burtt Davy 1896-8-1 Sonoma Bohemian Camp Guerneville Comment
  UC536019  Sequoia sempervirens W. A. Setchell and Victor Duran 1935-3-31 Sonoma garden of Mrs. Max Knittl Monte Rio Comment
  SEINET3876368 Image available Sequoia sempervirens K. Thorne 1984-11-23 3674 Sonoma Sea Ranch Hills above N end of ranch, 3 miles S of Gualala.; 0 Comment
  YM-YOSE15452  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 miles South of Santa Rosa in Bennet Valley Comment
  CDA31828  Sesbania punicea C. Owens 2010-7-7 s.n. Sonoma In the vicinity of Santa Rosa on River Road. 0 Comment
  RSA264737  Sherardia arvensis Peter Rubtzoff 1971-5-8 6453 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  UC198508  Sidalcea calycosa Katharine Brandegee Sonoma Santa Rosa Comment
  RSA6147  Sidalcea calycosa subsp. calycosa Carl B. Wolf 1933-6-26 s.n. Sonoma 1-4/10 miles above the power plant house on road to Camp Nelson. Upper Tule River 1037 Comment
  RSA79066  Sidalcea diploscypha E. K. Balls, L. W. Lenz 1952-5-8 17108 Sonoma 1.3 miles NE from Mark West Springs along road to Kellogg. Comment
  UCD116613  Sidalcea diploscypha Frederica Bowcutt; Jeff Kennedy 1994-5-21 1800 Sonoma about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, about 18 air miles NW of Napa, and about 1.5 air miles NE of Kenwood. Along the Meadow Trail, about 0.25 mile from the trail head. 396 Comment
  SEINET11971663  Sidalcea hartwegii L. S. Rose 1940-1 40372 Sonoma Sonoma 30 Comment
  SEINET11998342  Sidalcea malviflora C. F. Quibell 1976-1 1357 Sonoma Meacham Hill, Christo fence route Comment
  SD56817  Sidalcea malviflora subsp. laciniata Darley F. Howe 1963-5-22 3522 Sonoma 10 miles west of Santa Rosa, on Vine Hill Road. 152 Comment
  CAS-BOT-BC213167  Sidalcea oregana subsp. valida Milo S. Baker 1932-8-15 6013 Sonoma Marshy road ditch just W. of Kenwood. Comment
  CAS-BOT-BC290626  Sidalcea oregana subsp. valida Peter Rubtzoff; Rimo Bacigalupi 1979-8-6 9305 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 miles west of its junction with Franz Valley Road. Comment
  POM225311  Sidalcea oregana subsp. valida J. T. Howell 1932-9-18 10766 Sonoma Kenwood Marsh near Kenwood Comment
Read comments
Mar 10 2009
  RSA87253  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 s.n. Sonoma Kenwood Marsh about 1/4 mile west of Kenwood Comment
  RSA0020347  Sidalcea oregana subsp. valida Peter Rubtzoff 1979-7-15 9292 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 mi west of its junction with Franz Valley Road. Comment
  CAS-BOT-BC178689  Silene Peter Rubtzoff 1983-8-28 9678 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road. Comment
  CAS-BOT-BC251242  Silene Peter Rubtzoff 1959-6-20 4168 Sonoma Willow Creek Marsh. Comment
  UC112916  Silene californica Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  UCR248744  Silene gallica Peter Rubtzoff 1974-5-26 7487 Sonoma Bennett Valley Road, 4.25 miles west of Glen Ellen Comment
  UCD98632  Silene gallica Botany 102 Students 1993-5-8 280 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. In Adobe Canyon N of Sugarloaf Ridge. Bald Mountain Trail less than 1 air mile S of Red Mountain, N of Sonoma Creek. Comment
  UCD98711  Silene gallica Rimy Waraich; Patti Togioka 1993-5-8 240 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail. 365 Comment
  CAS-BOT-BC389220  Silene laciniata subsp. californica L. R. Abrams 1922-6-21 8097 Sonoma Healdsburg to Cloverdale Comment
  CAS-BOT-BC389221  Silene laciniata subsp. californica Nora Pettibone 1894-5-15 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC5809  Silene scouleri subsp. grandis Alice Eastwood 1900-7-4 s.n. Sonoma Bodgea Point Comment
  CAS-BOT-BC364813  Silybum marianum Peter Rubtzoff 1951-7-21 479 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC75371  Sisymbrium officinale Peter Rubtzoff 1951-7-21 490 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh. Near the highway. Comment
  UCD166206  Sisymbrium officinale Peter Rubtzoff 1969-8-29 6169 Sonoma Willow Creek Marsh. Comment
  CHSC78104  Sisyrinchium bellum David Cheetham 1998-6-26 27 Sonoma 125-150 ft. elevation. I street extension. 38 Comment
  POM169048  Sisyrinchium bellum A. A. Heller, H. E. Brown 1902-3-26 5154 Sonoma Santa Rosa Creek. Comment
  SEINET12048679  Sisyrinchium bellum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -085 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  UCD138810  Sisyrinchium bellum Cynthia Hodges 1982-4-8 15 Sonoma 10 miles south Healdsburg on Chalk Hill Road directly off Highway 128. 38 Comment
  UC672674  Sisyrinchium californicum H. L. Mason 1928-4-8 4284 Sonoma Fort Ross Comment
  JEPS62131  Smilacina racemosa Docia Patchett 1917-5-12 Sonoma on grade near Annapolis Comment
  CAS-BOT-BC164418  Solanum Peter Rubtzoff 1965-8-22 5613 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD166097  Solanum Peter Rubtzoff 1971-8-9 6634 Sonoma Laguna, Chileno Valley. Comment
  NY820383  Solanum xanti A. A. Heller 1902-3-16 5076 Sonoma Russian River, Near Trenton Comment
  CAS-BOT-BC344889  Solidago Peter Rubtzoff 1962-9-16 5094 Sonoma Vacation Beach, 1.5 miles below Guerneville. Comment
  POM40283  Solidago californica Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC365582  Solidago elongata Walter Knight; Irja Knight 1963-9-10 247 Sonoma Corner San Antonio Rd & D St. Ext. Comment
  UCD136065  Solidago spathulata G. F. Hrusa; G. L. stebbins, J. McCaskill 1993-9-14 11419 Sonoma along Cavedale Road approximately 2.7 miles east of Highway 12. 400 Comment
  CAS-BOT-BC365262  Solidago velutina subsp. californica J. W. Congdon 1880-9-1 s.n. Sonoma Petaluma Comment
  SD38302  Solidago velutina subsp. californica Edith A. Purer 1932-7-21 Sonoma Bodega Bay Comment
  UC1070227  Solidago velutina subsp. californica J. B. Spring 1932-6-25 86 Sonoma 2 mi n Agua Caliente; Napa Quad. 243 Comment
  UCD159447  Solidago velutina subsp. californica D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 204 Sonoma Hill near W Shore Rd. Overlooking Campbell Cove. 29 Comment
  CAS-BOT-BC173832  Soliva sessilis Peter Rubtzoff 1971-5-8 6444 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC365964  Soliva sessilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True 1981-5-14 54023 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  POM11812  Soliva sessilis Katherine Brandegee s.n. Sonoma Santa Rosa. Comment
Read comments
Dec 19 2015
  UCD136129  Sonchus asper subsp. asper Mary M. Hektner; Cathy Hendel 1974-7-24 163 Sonoma alongside Kirkwood House on Pacific Reach, Unit 24 Owners' Map, Sea ranch, near State Highway 1. Comment
  CAS-BOT-BC374744  Sonchus oleraceus D. E. Breedlove 1983-5-9 58696 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC1146596  Sorghum halepense Freed W. Hoffman July 1941 2220 Sonoma near Guerneville; North Coast Ranges Comment
  CAS-BOT-BC236593  Sorghum halepense G. DeNevers 1981-7-31 1777 Sonoma Summerhome Park on the Russian River Comment
  UCD95027  Spartina foliosa R. Tofsrud 1941-9-1 173 Sonoma Bridge at Tolay Creek. Comment
  UCD158738  Spergula arvensis James A. Neilson Jr. 1974-6-1 1313 Sonoma Mayacmas Mountains. The Geysers. (Elevation estimated using Google Earth by label maker.) 441 Comment
  UCD166481  Spergula arvensis Peter Rubtzoff 1962-5-25 4837 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC320509  Spergularia Peter Rubtzoff 1969-8-14 6129 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  CAS-BOT-BC390976  Spergularia marina G. B. Rossbach; R. P. Rossbach 1938-5-27 630 Sonoma Bodega Bay Comment
  UCD160119  Spergularia rubra James A. Neilson Jr. 1973-6-3 2995 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
  UCD167318  Stachys James Neilson 1977-6-7 3910 Sonoma Mayacmas Mountains, about 1/3 mi south east Lunar Point. (Location information obtained from Neilson 3911 which indicated that Lunar Point is west of Locke Cabin. Exact location unknown. Coordinates estimated by label maker.) Comment
  UCLA71586  Stachys ajugoides var. ajugoides John Thomas Howell 1930-6-8 5228 Sonoma 4 mi e Valley Ford (Bodega Road) Comment
  UCD158712  Stachys albens Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 0.5 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. Elevation estimated by label maker. 731 Comment
  UCD151096  Stachys rigida James A. Neilson Jr. 1973-6-3 2974 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
  RSA177954  Stachys rigida subsp. quercetorum Robert F. Thorne 1965-4-20 34324 Sonoma Parker Hill Road ca. 2 1/2 miles N of Santa Rosa and 1 mile N of Sonoma County hospital. 107 Comment
  SEINET12332456  Stachys rigida subsp. quercetorum F. H. Utech 1988-1 88 -222 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1, mile marker 29.90 100 Comment
  UCD126030  Stachys rigida var. rigida J. Adams; J. Weick 1993-5-8 283 Sonoma about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Sugarloaf Ridge State Park. Comment
  CAS-BOT-BC251256  Stellaria media Peter Rubtzoff 1964-7-29 5437 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC397765  Stellaria media Alice S. M. McKenzie 1981-2-23 22 Sonoma Coast between Russian and Gualala Rivers; Calif. State Hwy 1 at Kolmer Gulch. Comment
  CAS-BOT-BC405133  Stellaria nitens D. E. Breedlove 1983-4-11 58691 Sonoma Pepperwood Ranch W of Knights Valley. 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
  NY431572  Stipa pulchra A. A. Heller 1902-4-9 5252 Sonoma 3 miles south of Healdsburg Comment
  JEPS128313  Streptanthus barbiger Roger Raiche 2000-5-21 104 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  RSA339382  Streptanthus barbiger Roger Raiche 1984-6-10 40212 Sonoma 8.6 miles west on Hot Springs Road from its origin at US Hwy 101 near Cloverdale, across Dry Creek 198 Comment
  UC956502  Streptanthus barbiger Freed W. Hoffman 1947-5-30 1032 Sonoma Layton Mine North Coast Ranges, Main Austin Creek Comment
  POM311200  Streptanthus brachiatus H. K. Sharsmith 1952-6-18 4129 Sonoma Near junction of Socrates Mine road with Pine Flat-Middle-town road, Mayacamas Mountains 976 Comment
  UC972158  Streptanthus brachiatus Helen K. Sharsmith 1952-6-18 4129 Sonoma near junct. of Socrates Mine Road with Pine Flat-Middletown road; Inner North Coast Ranges, Mayacamas Mountains 975 Comment
  UCD161423  Streptanthus brachiatus James A. Neilson Jr. 1977-6-7 3903 Sonoma Mayacmas Mountains. Socrates Mine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD168161  Streptanthus brachiatus James Neilson 1977-3-28 3855 Sonoma Mayacmas Mountains, Location 6, US Geothermal 1. Lower Reach of barren. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC87229  Streptanthus glandulosus subsp. glandulosus H. N. Bolander 1864-4-1 3944 Sonoma At the Geysers. Comment
  CAS-BOT-BC87230  Streptanthus glandulosus subsp. glandulosus Anna F. Rodda 1929-5-6 s.n. Sonoma Geyserville. Comment
  CAS-BOT-BC87234  Streptanthus glandulosus subsp. glandulosus John Thomas Howell 1931-4-4 6178 Sonoma Santa Rosa Canyon, north of Mount Hood. Comment
  JEPS27974  Streptanthus glandulosus subsp. secundus Rimo Bacigalupi and L. Heckard 1961-6-9 7735 Sonoma 1.75 mi. s.w. Occidental (at junction of Joy Rd. and Bittner Rd.) 249 Comment
  CAS-BOT-BC87289  Streptanthus glandulosus subsp. secundus Milo S. Baker 1932-5-8 5916 Sonoma Salt Point, 5 miles north of Fort Ross. Comment
  UC1292747  Streptanthus glandulosus subsp. secundus Freed W. Hoffman Apr 1948 2701 Sonoma near Guerneville (Gabes Rock); North Coast Ranges Comment
  UC483689  Streptanthus glandulosus subsp. secundus Milo S. Baker 1932-5-8 5916 Sonoma 5 mi n Ft. Ross; Salt Point Comment
  CAS-BOT-BC87489  Streptanthus tortuosus Michener; Bioletti 1893-6-7 s.n. Sonoma Hoods Peak. Comment
  UC1492812  Streptanthus tortuosus Freed W. Hoffman 1949-7-9 2849 Sonoma on road from Healdsburg to Geysers 1.4 mi from Geyser-Cloverdale road (ledge 200 ft above road); North Coast Ranges 624 Comment
  CAS-BOT-BC267237  Stuckenia filiformis Peter H. Raven 1955-3-20 s.n. Sonoma 1 mile W of Schelville Comment
  CAS-BOT-BC540810  Symphoricarpos Peter Rubtzoff 1959-5-31 4075 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC540811  Symphoricarpos Peter Rubtzoff 1966-6-5 5754 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC540838  Symphoricarpos Peter Rubtzoff 1973-8-18 7219 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  POM188467  Symphoricarpos mollis Marcus E. Jones 1931-7-5 29056 Sonoma West of Cloverdale. Comment
  UC1010374  Symphoricarpos mollis Milo S. Baker Jun 1928 3168 b Sonoma e side Los Guilicos Valley (road to Youngman's) Comment
  CAS-BOT-BC97823  Symphyotrichum chilense Greg de Nevers 1987-1-1 8121 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC97835  Symphyotrichum chilense Walter Knight; Irja Knight 1984-9-26 5236 Sonoma 5.9 mi. up Cavevale Rd. Comment
  CAS-BOT-BC98564  Symphyotrichum lentum F. G. Krauss 1894-5-1 s.n. Sonoma Mountains near Calistoga Comment
  UC1146608  Taeniatherum caput-medusae Freed W. Hoffman 1943-6-13 2035 Sonoma Geyser Peak Road to Geysers (North Coast Ranges); North Coast Ranges Comment
  SD243313  Teesdalia coronopifolia D. G. Kelch, A. G. Murdock, Ben Carter. 2007-5-13 07 288 Sonoma Cavedale Road. 518 Comment
  UCD102952  Tellima grandiflora Linda A. Bell 1975-5-18 155 Sonoma State Hwy 116, 3 miles west of Guernville. 21 Comment
  POM68315  Thermopsis californica var. californica Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC66822  Thysanocarpus curvipes David D. Keck 1931-4-4 1099 Sonoma Santa Rosa Creek Canyon. 225 Comment
  UC857532  Thysanocarpus curvipes L. Koch 1938-3-24 65 Sonoma near Kenwood (Los Alamos Canyon (near the quarry)); Los Alamos Canyon, near Kenwood Comment
  SEINET11993722  Thysanocarpus curvipes W. Knight, Knight, I.; Edwards, S. 1986-1 5323 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Road 853 Comment
  POM182665  Thysanocarpus curvipes var. curvipes D. D. Keck 1931-4-4 1098 Sonoma Santa Rosa Creek Canyon 225 Comment
  RSA0041614  Thysanocarpus curvipes var. elegans David D. Keck 1931-4-4 1099 Sonoma Santa Rosa Creek Canyon. 225 Comment
  CAS-BOT-BC67335  Thysanocarpus radians John H. Thomas 1968-4-4 14268 Sonoma 2.8 miles northeast of highway 101 on road to Mark Springs West, along Mark Springs road. Comment
  CDA25262  Thysanocarpus radians T. C. Fuller 1977-4-21 20198 Sonoma Church of Christ property, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  CAS-BOT-BC447592  Tiarella trifoliata subsp. unifoliata Peter Rubtzoff 1963-7-14 5208 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC376216  Tolpis barbata Greg de Nevers 1995-5-20 10730 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 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
  CAS-BOT-BC81456  Torreya californica Peter H. Raven; R. Snow 1958-7-23 13685 Sonoma on south bank of Wheatfield Fork of Gualala River, 12.5 miles east of Stewarts Point on road to Skaggs Springs Comment
  SBBG34159  Torreya californica L. M. Srivastava 1957-11-1 22 Sonoma Hwy 1, ca. 100 yards S of Fort Ross 30 Comment
  UCD110462  Toxicoscordion fremontii Christopher Mallek 2008-1 HC1- 1 Sonoma Hooker Canyon. 590 Comment
  CAS-BOT-BC519551  Triantha occidentalis subsp. occidentalis Peter Rubtzoff 1951-7-28 566 Sonoma Sonoma Comment
  CAS-BOT-BC376268  Tribulus terrestris Greg de Nevers 1995-7-4 10758 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek 487 Comment
  RSA800348  Trichostema Peter Rubtzoff, Nancy Harrison 1977-8-26 9117 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CHSC24184  Trichostema laxum T. P. Spira 1976-7-23 Sonoma Ca. 2 mi nw of Camp Meeker and 1/4 mi n of Bohemian Hwy. 91 Comment
  JEPS25828  Trichostema laxum Harry K. Roberts 1961-6-20 Sonoma N and E of Occidental (Harrison Grade summit) Comment
  UC479126  Trichostema laxum Marcus E. Jones 1931-7-5 28816 Sonoma The Geysers Comment
  UCLA54887  Trichostema laxum Robert F. Hoover 1942-7-13 5917 Sonoma 3 mi S of Monte Rio Comment
  SEINET7972629  Trichostema laxum M. J. Williams, W. Roderick 1978-7-18 78- 228 -2 Sonoma Near Occidental. Comment
  JEPS46206  Trientalis latifolia Eleanor Armstrong 1932-5-1 495 Sonoma near Camp [Nielson] 121 Comment
  POM128178  Trientalis latifolia H. P. Chandler 1907-5-19 7571 Sonoma White Sulphur Spring, St Helena Comment
  CAS-BOT-BC173552  Trifolium Peter Rubtzoff; Nancy Harrison 1974-5-26 7467 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC173640  Trifolium Peter Rubtzoff 1974-5-25 7464 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173641  Trifolium Peter Rubtzoff; Nancy Harrison 1974-5-26 7476 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC290683  Trifolium Peter Rubtzoff 1983-8-28 9684 Sonoma Austin Creek ca. 0.5 miles north of Hwy. 116 on Cazadero Road. Comment
  CAS-BOT-BC173531  Trifolium Peter Rubtzoff 1974-5-18 7431 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173636  Trifolium Peter Rubtzoff 1974-5-18 7426 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCSC010635  Trifolium R. Morgan 2014-5-12 5637 d Sonoma Bodega Head Comment
  CAS-BOT-BC217059  Trifolium amoenum J. W. Congdon 1880-5-1 s.n. Sonoma Santa Rosa Comment
  POM313529  Trifolium barbigerum P. B. Kennedy 1929-5-24 10292 Sonoma Between Sea View and Plantation Comment
  UC1784221  Trifolium barbigerum Milo S. Baker Apr 1932 5913 Sonoma Highway south of Stewart's Point Comment
  CAS-BOT-BC361357  Trifolium bifidum var. bifidum Greg de Nevers 1997-4-16 10940 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  UC1299170  Trifolium ciliolatum Freed W. Hoffman 1946-3-6 1858 Sonoma above Quicksilver Mine (near Guerneville); North Coast Ranges Comment
  RSA121691  Trifolium ciliolatum B. O. Schreiber 1936-3-5 2211 Sonoma Healdsburg quadrangle, 2 miles WNW of Mark W Srpings. 122 Comment
  UCD108373  Trifolium depauperatum var. depauperatum Frederica Bowcutt 1996-3-24 2075 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile south of Red Mountian. Trail head for Lower Bald Mountain Trail at group campsite just west of Sonoma Creek. 381 Comment
  UCD33226  Trifolium dichotomum Beecher Crampton 1967-5-15 7927 Sonoma Lytton. Comment
  UC1541575  Trifolium fucatum H. E. and S. T. Parks 1930-5-9 608 Sonoma Knights Valley Comment
  UCD37567  Trifolium grayi Beecher Crampton 1955-4-5 2416 Sonoma 2.5 miles south of Windsor, western boundary of Sonoma County Airport, along Mark West Road. Comment
  SEINET6793641 Image available Trifolium incarnatum Sally Walker 1993-1 Sonoma Mill Station Road, Sebastopol Comment
  UC1130076  Trifolium microcephalum H. S. Yates 1934-4-22 3855 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  UCD165163  Trifolium microcephalum Peter Rubtzoff; Nancy Harrison 1974-5-26 7467 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  JEPS81175  Trifolium microdon Edward Lee with W. A. Setchell 1936-6-7 2181 Sonoma at upper limit and just above Redwood forest (Bohemian Grove) Comment
  UC165620  Trifolium microdon Milo S. Baker 1898-4 709 Sonoma near Santa Rosa (hills) Comment
  UC866894  Trifolium microdon L. R. Abrams 1918-4-27 6916 Sonoma near Healdsburg (Independence School) Comment
  JEPS128320  Trifolium obtusiflorum Roger Raiche 2000-6-2 129 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC101676  Trifolium obtusiflorum Michener and Bioletti 1892-7-5 104 a Sonoma Skagg's Springs Comment
  UC424855  Trifolium obtusiflorum Milo S. Baker 1929-7-10 3520 a Sonoma just n Santa Rosa (ditch along hwy) Comment
  JEPS2906 Image available Trifolium oliganthum Edward Lee Greene 1892-1 Sonoma Knight's Valley Comment
  RSA0079934  Trifolium repens Greg de Nevers 1998-6-20 11289 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Rogers Apple Orchard. 100 Comment
  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
  CAS-BOT-BC479714  Trifolium striatum Ann Howald 2003-5-15 2337 Sonoma Inner North Coast Ranges: Sonoma Mountains, S end, upper E slope, c. 0.1 mi S of Rodgers Creek 205 Comment
  CDA15868  Trifolium tomentosum Ann Howald 2000-4-19 2037 Sonoma North Coast Biodiversity Arena; Annadel State Park. Marsh Trail, E side of Ledson marsh, about 0.1 mi. S of inters. of Marsh & Lawndale Trails. 359 Comment
  SEINET10829861  Trifolium truncatum A. Arthur Heller, H. E. Brown 1902-4-22 Heller s.n. Sonoma Between Santa Rosa and Agua Caliente. Comment
  CAS-BOT-BC474559  Trifolium variegatum Ayzik Solomeshch 2009-5-13 s.n. Sonoma West edge of city of Santa Rosa, S of Hwy 12 and just E of S Wright Rd. San Jones wetland, sampling pool #1 31 Comment
  UCD109429  Trifolium variegatum R. Tofsrud 1951-5-20 s.n. Sonoma Huichica School near Sonoma. Comment
  UCR142042  Trifolium willdenovii Beecher Crampton 1966-5-10 7722 Sonoma North Coast Ranges, about 2 miles west of Fulton along River Road, NW of Santa Rosa 30 Comment
  SBBG67275  Trifolium willdenovii H. E. Parks 1930-5-9 0621 Sonoma edge of Alexander Valley Comment
  SD40319  Trifolium wormskioldii Edith A. Purer 1932-7-24 4090 Sonoma Near Bridge Bay Comment
  UC1364376  Trillium albidum J. D. Freeman with R. F. Freeman 1967-5-6 574 Sonoma w. of Geyserville (at confluence of 2 ravines on Skaggs Springs Rd. ca. 10 mi. w. of its jct. with Dry Creek Rd.) Comment
  UCD139897  Trillium albidum M. Wiesendanger 1927-5-5 272 Sonoma Kenwood Springs. Comment
  SEINET12051398  Trillium albidum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -229 Sonoma W of Glen Ellen & CA 12, ca 0.1 mi W on Sonoma Mt. Road from Bennett Valley Road along Graham Creek 75 Comment
  UC1057438  Trillium chloropetalum G. Thomas Robbins 1937-3-26 27 Sonoma creek along rd. e. of Bodega Bay Comment
  POM169931  Trillium chloropetalum var. chloropetalum A. A. Heller, H. E. Brown 1902-3-12 3175 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  UC1334893  Triphysaria L. D. Thurman 1964-4-24 434 Sonoma on State Hwy #128, 15 mi nw Calistoga Comment
  OBI9376  Triphysaria eriantha Lewis S. Rose 1965-4-4 65018 Sonoma Sonoma 24 Comment
  UCSB23011  Triphysaria eriantha subsp. eriantha McCarthy, Sharon 1965-4-17 Sonoma Corner of 5th Street and MacArthur Street, Sonoma 25 Comment
  UC103177  Triphysaria eriantha subsp. rosea Alice Eastwood Apr. 1901 Sonoma Bodega Comment
  UC1222442  Triphysaria versicolor subsp. faucibarbata Joseph P. Tracy 1931-3-29 9321 Sonoma Knights Valley; Northern Coast Ranges, Knights Valley 152 Comment
  SEINET13748164  Triphysaria versicolor subsp. faucibarbata W. Roderick 1967-5-6 s. n. Sonoma 3 mi SE of Petaluma 15 Comment
  UC27195  Triphysaria versicolor subsp. faucibarbata State Survey 1800-1 6574 Sonoma Coast n Noyo; Coast n of Noyo Comment
  UCD123427  Triphysaria versicolor subsp. versicolor Frederica Bowcutt 1984-6-23 455 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County Coast. West of Highway 1, north of Gerstle Cove about 1/3 mile. 15 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-BC200098  Trisetum canescens Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road 9 miles east of Stewart's [Stewarts] Point Comment
  CAS-BOT-BC227654  Trisetum canescens Peter Rubtzoff 1971-6-25 6570 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC227673  Trisetum canescens Peter Rubtzoff 1958-5-30 3683 Sonoma Duncans Mills Marsh. Comment
  RSA129126  Trisetum canescens H. S. Yates 1936-5-16 5600 Sonoma 2 miles SE of Forestville Comment
  UCD148402  Trisetum canescens Peter Rubtzoff 1958-5-30 3683 Sonoma Duncans Mills Marsh. Comment
  UCD36301  Trisetum canescens Beecher Crampton 1953-5-19 1297 Sonoma Sonoma County, 5 miles west of Calistoga, on Highway 128, at Napa County line. Comment
  UC1146669  Trisetum canescens Freed W. Hoffman 1944-5-22 1995 Sonoma near Sonoma Coast (Cruz Ranch); North Coast Ranges Comment
  UCD93590  Trisetum canescens Freed W. Hoffman 1943-6-6 2212 Sonoma Coast road near Bridgehaven. Comment
  JEPS64193  Triteleia hyacinthina Eleanor Armstrong 1932-5-25 512 Sonoma near Mark West Springs 152 Comment
  CAS-BOT-BC522359  Triteleia hyacinthina Peter Rubtzoff 1974-5-19 7447 Sonoma Todd Road 1.4 mile from Hwy. 116 and 0.6 mile from Llano Road Comment
  UCR18634  Triteleia laxa John C. Roos 1950-7-22 4866 Sonoma Jenner 30 Comment
  RSA173356  Triteleia laxa Walter Knight 1965-6-5 1116 Sonoma McDowell Road 1/2 mile from Casa Grande Road. Petaluma Comment
  CAS-BOT-BC527976  Triteleia peduncularis Peter Rubtzoff 1957-5-26 3363 Sonoma Occidental Marsh Comment
  CAS-BOT-BC527980  Triteleia peduncularis Peter Rubtzoff 1972-6-29 5562 Sonoma Laguna Chileno Valley Comment
  RSA378054  Triteleia peduncularis J. W. Congdon 1880-5-16 s.n. Sonoma Sting Point? Sebastapol Road. Comment
  RSA540096  Typha angustifolia Peter Rubtzoff 1971-7-9 6592 Sonoma 5 miles north of Sears Point. Comment
  CHSC997  Ulex europaeus M. Anthony 1953-3-9 Sonoma Comment
  CAS-BOT-BC208028  Ulex europaeus Walter Knight; Irja Knight 1963-12-28 483 Sonoma Valley Ford-Bodego Bay highway Comment
  POM21294  Ulex europaeus A. A. Heller, H. E. Brown 1902-3-22 7308 Sonoma Among Redwood Trees W of Sebastopol Comment
  UC1515782  Umbellularia californica Baki Kasapligil 1966-8-10 3992 Sonoma Gaiserville 300 Comment
  UC581348  Umbellularia californica W. A. Setchell 1938-2-27 Sonoma Monte Rio Comment
  RSA39873  Umbellularia californica P. A. Munz 1947-10-9 12209 Sonoma 1.5 miles northeast of Armstrong Redwoods State Park. 91 Comment
  UC848742  Urtica dioica subsp. holosericea Marcus E. Jones, A. M. 1882-7-17 3483 Sonoma Duncan Mills Comment
  CAS-BOT-BC404227  Urtica dioica subsp. holosericea Peter Rubtzoff 1965-9-5 5633 Sonoma Forest Hills, 5.5 miles east of Guerneville along Russian River Comment
  CAS-BOT-BC193383  Vaccinium ovatum H. L. Mason 1928-4-8 4289 a Sonoma Two miles north of Fort Ross. Comment
  RSA40679  Vaccinium parvifolium I. L. Wiggins 1948-3-21 11617 Sonoma Western margin of Kruse Rhododendron State Park. Comment
  CAS-BOT-BC76163  Vancouveria planipetala J. W. Congdon 1880-5-17 s.n. Sonoma Guerneville. Comment
  CAS-BOT-BC135763  Veratrum fimbriatum Alice S. M. McKenzie 1974-10-28 s.n. Sonoma Salt Point State Park - Coast between Russian and Gualala Rivers Comment
  CAS-BOT-BC154140  Verbascum Peter Rubtzoff 1954-7-27 1565 Sonoma [Guernerville] Guerneville Marsh Comment
  UC614828  Verbascum thapsus Beryl O. Schreiber 1932-4-3 204 Sonoma Mount Saint Helena Comment
  UCD166726  Verbascum thapsus Peter Rubtzoff 1962-8-24 5070 Sonoma Fife Creek Marsh. Comment
  CDA5687  Verbena bonariensis var. conglomerata Anita Noldeke 1961-5-14 Sonoma Sebastopol. 0 Comment
  UC104852  Verbena lasiostachys var. lasiostachys Alice Eastwood 1900-5-8 Sonoma Knight's Valley Comment
  CAS-BOT-BC164361  Veronica Peter Rubtzoff 1969-5-11 6037 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  UCD164993  Veronica Peter Rubtzoff 1974-9-7 7867 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  UCD166504  Veronica Peter Rubtzoff 1959-4-18 4025 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of the Guerneville road crossing. Comment
  CAS-BOT-BC166750  Veronica americana Peter Rubtzoff 1960-5-22 4409 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC164360  Veronica arvensis Peter Rubtzoff 1959-6-20 4147 Sonoma Willow Creek Marsh. Comment
  JEPS12695  Viburnum ellipticum Miss R. Kuhn May 1914 Sonoma Sonoma 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
  RSA177953  Vicia americana var. americana Robert F. Thorne 1965-4-20 34323 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UC17022  Vicia sativa W. H. Brewer 1862-4-18 965 Sonoma near Sonoma Comment
  UCSC000433  Vicia sativa subsp. nigra John Thomas Howell 1946-3-31 s.n. Sonoma Near Sonoma Comment
  UCD108915  Vicia sativa subsp. nigra Freed W. Hoffman 1947-4-7 1895 Sonoma Between Healdsburg and Calistoga. Comment
  UCD108964  Vicia sativa subsp. nigra Helen K. Sharsmith 1963-5-25 5490 Sonoma Coleman Valley road east of Occidental. 304 Comment
  HSC15276  Vicia sativa subsp. sativa R. F. Good 1962-4-20 22 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes. Sonoma Mt. Coast Range. 46 Comment
  RSA582459  Vicia villosa Joseph A. Ewan 1935-5-13 9245 Sonoma 2.5 miles west of Santa Rosa: Sebastopol Road. Comment
  UC1084366  Vinca major G. Thomas Robbins 1937-3-26 32 Sonoma along rd. to Bodega Bay just w. of Bodega Comment
  UC1761581  Viola adunca Leo Koch 1939-4-8 496 Sonoma near Plantation (Baxman Ranch) Comment
  UC1762559  Viola douglasii Milo S. Baker 1928-3-1 3239 Sonoma Melitta, Golf Club Links Comment
  CDA122  Viola glabella D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .285 Sonoma Cavedale Rd. Comment
  UC1761336  Viola glabella J. Burtt Davy 1896-3-13 1653 Sonoma Cazadera Comment
  UC1762374  Viola lobata Freed Hoffman 1951-4-27 3834 Sonoma Mt. St. Helena, along fire road Comment
  CAS-BOT-BC536962  Viola lobata Mary P. Wells 1984-5-1 204 Sonoma Near Humbug Creek, S of Calistoga Rd, Hood Mountain Range Comment
  UC1763295  Viola lobata Milo S. Baker 1905-4-1 5221 Sonoma Hood Mountain on Macartney road Comment
  UCD110909  Viola lobata G. F. Hrusa 1992-4-15 10376 Sonoma Along Cavedale Road, approximately 5 m. E of Boyes Hot Springs. Comment
  UC1762485  Viola lobata subsp. lobata Milo S. Baker 1942-6-11 10206 Sonoma Spring Mt. Rd. near summit 45 Comment
  UC19289  Viola lobata subsp. lobata F. P. McLean May 1872 Sonoma woods near Geyser Comment
  UC540625  Viola palustris subsp. brevipes Milo S. Baker 1935-8-1 7692 b Sonoma Kenwood Garden Kenwood; Kenwood, Sonoma Co. Comment
  UC1761634  Viola pedunculata Miss Bumbaugh 1898-3-15 Sonoma near Sebastopol Comment
  UC575324  Viola purpurea subsp. quercetorum Milo S. Baker 1934-3-25 7573 Sonoma Pine Flat Comment
  JEPS76916  Viola sempervirens Robert M. Lloyd 1963-2-24 2048 Sonoma 0.5 mi n of Occidental (on road to Camp Meeks, abandoned picnic ground) 45 Comment
  RSA412784  Viola sempervirens Christopher Davidson 1977-6-20 6038 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 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
  CDA2764  Viscum album O. E. Bremmer 1929-12-29 Sonoma Santa Rosa. 0 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
  UC18631  Vitis californica H. N. Bolander June, 1867 Sonoma Cloverdale Russian River (banks of river) Comment
  UCD158821  Vitis californica James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2898 Sonoma northwest corner of Section 14, The Geysers. (Elevation estimated by label maker using Google Earth.) 472 Comment
  UCD58729  Vitis californica Eric Wada 2006-9-3 RR 4 Sonoma On Westside Road between Healdsburg and Guerneville. North bank of Russian River 18 Comment
  CAS-BOT-BC203124  Vitis californica Walter Knight; Irja Knight 1963-9-1 134 Sonoma Along 1st stream up from County Dump on Pine Mt Rd NE of Cloverdale 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
  SEINET10691477  Vitis californica John H. Redfield 1872-8-26 Redfield 1106 Sonoma Geysers Comment
  OBI75822  Vitis vinifera David Burgess 1967-11-25 13 Sonoma 6 mi NE of Santa Rosa Comment
  CAS-BOT-BC311800  Vulpia bromoides Peter Rubtzoff 1959-6-20 4188 Sonoma Willow Creek Marsh. Comment
  JEPS45825  Vulpia bromoides Eleanor Armstrong 1932-5-25 175 Sonoma 3 mi w Santa Rosa 45 Comment
  UCD93440  Vulpia bromoides M. S. Baker 1931-3 5461 Sonoma west of Santa Rosa near Wright School House. Comment
  UCD93733  Vulpia microstachys var. ciliata A. A. Beetle; G. L. Stebbins 1942-6-4 3586 Sonoma near Occidental. Comment
  CAS-BOT-BC184594  Vulpia microstachys var. pauciflora G. DeNevers 1981-6-4 1431 Sonoma On road cut top of W arm of Garrison Canyon Comment
  UC729991  Vulpia microstachys var. pauciflora Leo F. Koch 1940-4-22 840 Sonoma Geysers; Sulphur Creek Canyon Comment