Search Results — 2000 specimen records retrieved (1248 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CHSC1074  Abronia maritima A. Small 1954-6-4 Sonoma Doran Park. Comment
  SEINET9342872  Acacia dealbata John Nelson, Wnek, R. 2000-3-6 20955 Sonoma Sonoma County Comment
  CAS-BOT-BC451110  Acaena pinnatifida var. californica W. P. Vestal; A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross Comment
  JEPS77871  Acer macrophyllum Robert M. Lloyd 1965-5-8 3634 Sonoma corner of Pressley Road and Sonoma Mt. Road w Glen Ellen; w of Glen Ellen Comment
  RSA788832  Acer macrophyllum Carrie A. Herd 1982-3-14 17 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  UC18117  Acer macrophyllum J. Burtt Davy 1894-12-9 866 Sonoma Kenwood Comment
  UCR2992  Acer macrophyllum Wm. Horn Jr. 1963-4-10 630410- 3 Sonoma San Francisco Bay Region, 4 mi west of Sebastopol, 40 yd north of Bodega Hwy Comment
  CHSC10154  Acer negundo var. californicum Martha Meagher 1947-3-22 99 Sonoma County road one-half mile west of Freezeout Creek, across Russian River from Duncan's Mills. Roadside near river bed. Comment
  JEPS42728  Acer negundo var. californicum J. B. Davy 1896-7-23 Sonoma Russian River below Guerneville; Russian River below Guerneville Comment
  UC971946  Acer negundo var. californicum Martha Meagher 1947-3-22 99 Sonoma county road one-half mi w Freezeout Creek (across Russian River from Duncan's Mills); Russina River, w of Freezeout Creek Comment
  CAS-BOT-BC30081  Achillea millefolium Peter Rubtzoff 1952-6-10 1227 Sonoma Top of Fitch Mtn. near Healdsburg 304 Comment
  CAS-BOT-BC29162  Achyrachaena mollis J. T. Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53994 Sonoma Fairfield Osborn Preserve of The Nature Conservancy, 4.5 miles NE of Penngrove on the west slope of Sonoma Mountain 457 Comment
  NY380621  Acmispon gracilis A. A. Heller 1902-6-24 5754 Sonoma Near Burke's Santarium Comment
  UCD104293  Acmispon parviflorus Frederica Bowcutt 1994-6-12 1861 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  CAS-BOT-BC65530  Adiantum aleuticum Greg de Nevers 1987-4-25 8163 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS128362  Adiantum aleuticum Roger Raiche 2000-5-28 122 .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
  UCD137173  Adiantum aleuticum Mary M. Hektner 1975-6-3 203 Sonoma Unit 35-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  JEPS82260  Adiantum capillus-veneris Roger Raiche 1983-6-25 30423 Sonoma ca 1 mi w Laton Mine (headwaters of Austin Creek, The Cedars) 365 Comment
  CAS-BOT-BC9073  Aegilops triuncialis Thomas C. Fuller 1960-6-14 4483 Sonoma Roadside near Golf Course, Los Alamos Rd., ca. 6 mi. E/Santa Rosa Comment
  RSA785736  Aesculus californica Carrie A. Herd 1982-4-25 84 Sonoma Crane Creek Regional Park Comment
  SEINET12237640  Aesculus californica F. H. Utech 1986-1 86 -103 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  UCD151194  Agastache urticifolia James A. Neilson Jr. 1974-7-10 2829 Sonoma Mayacmas Mountains, road to PG and E geothermal unit 9. (Elevation estimated using Google Earth by label maker.) 975 Comment
  CAS-BOT-BC121  Agastache urticifolia var. glaucifolia Amos Arthur Heller 1902-6-28 5792 Sonoma Between Knight's Valley and Mark West Springs Comment
  CAS-BOT-BC29574  Agoseris apargioides var. eastwoodiae Doreen Smith 2003-5-22 s.n. Sonoma Bodega Dunes, SE of research facility Comment
  JEPS128206  Agoseris heterophylla Roger Raiche 2000-4-23 041 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC13167  Agoseris hirsuta John Thomas Howell 1930-6-8 5268 Sonoma North end of Bodega Bay Comment
  CAS-BOT-BC176405  Agrostis Peter Rubtzoff 1973-7-24 7195 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC210000  Agrostis Peter Rubtzoff 1964-6-24 5368 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC210012  Agrostis Peter Rubtzoff 1970-9-3 6378 Sonoma Marsh off Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  CAS-BOT-BC361297  Agrostis Greg de Nevers 1997-5-8 10992 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa, on Oak Hill Ranch 457 Comment
  RSA0051268  Agrostis Greg de Nevers 1992-6-26 10201 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 91 Comment
  RSA785907  Agrostis Peter Rubtzoff 1977-9-4 9130 Sonoma Cunningham Marsh area. Ca 1 air mile WSW of Cunningham Station Comment
  UCD166338  Agrostis Peter Rubtzoff 1968-8-24 5933 Sonoma Upper Salmon Creek Marsh. Comment
  UC33751  Agrostis alba Joseph Burtt Davy and Walter C. Blasdale 1899-7-22 6003 Sonoma Guerneville Comment
  UCD35657  Agrostis ampla Beecher Crampton 1959-6-16 5391 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  HSC83439  Agrostis blasdalei Mary M. Hektner 1975-6-2 195 Sonoma Sea Ranch, near State Hwy. 1, E of Walk-on Beach. Comment
  UCD51831  Agrostis blasdalei Beecher Crampton 1957-7-11 4330 Sonoma Sonoma Coast State Park, 0.9 miles north of Salmon Creek. Comment
  UCD37150  Agrostis densiflora Beecher Crampton 1957-7-11 4328 Sonoma Sonoma County, 0.9 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. 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
  UCD52011  Agrostis densiflora Beecher Crampton 1957-7-22 4359 Sonoma 2 miles north of Stewart's Point, State Hwy. 1. Comment
  POM207133  Agrostis exarata A. A. Heller 1902-6-27 5779 Sonoma West of Windsor near Russian river. Comment
  UCD148470  Agrostis exarata Peter Rubtzoff 1964-6-3 5342 Sonoma Bodega Bay Marsh. Comment
  UC1011207  Agrostis hallii Virginia Bufford 1936-5-21 370 Sonoma near Skaggs Springs Comment
  UC70788  Agrostis hallii F. T. Bioletti 1893-6-5 Sonoma Los Guilicos Valley Comment
  UCD36694  Agrostis hallii Beecher Crampton 1955-6-17 2958 Sonoma Sonoma County, 6 miles west of Cazadero, on road to Fort Ross. 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
  CAS-BOT-BC138920  Agrostis pallens G. DeNevers 1981-6-6 1483 Sonoma Pepperwood Ranch. South slope of Telegraph Hill. Comment
  CDA21566  Agrostis pallens D. G. Kelch 2003-7-14 3 .382 Sonoma Cavedale Road. Comment
  UC766898  Agrostis pallens Robert F. Hoover 1941-6-7 5315 Sonoma 2 mi se Monte Rio (on road to Camp Meeker) Comment
  UCD53097  Agrostis pallens P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa. Petrified forest road. Comment
  UC1023593  Agrostis stolonifera Virginia Bufford 1936-5-22 399 Sonoma 4 mi n Stewarts Point (Hwy 1) Comment
  UCD53477  Agrostis stolonifera var. maritima P. B. Kennedy 1916-7-17 325 Sonoma Del Mar. Comment
  CAS-BOT-BC47989  Ailanthus altissima Catherine Best 1984-9-27 1049 Sonoma Grwoing along the road to the Buena Vista Winery, south of the town of Sonoma. Comment
  UC50680  Aira Michener and Bioletti May 1892 Sonoma S. Los Guilicos Comment
  JEPS128357  Aira caryophyllea Roger Raiche 2000-4-23 048 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1023613  Aira praecox Virginia Bufford 1935-5-19 54 Sonoma Portugese Beach; n end, coming up cliff Comment
  CAS-BOT-BC154999  Alisma lanceolatum Peter Rubtzoff 1970-8-18 6303 Sonoma Five miles north of Sears Point Comment
  CAS-BOT-BC445346  Alisma lanceolatum Peter Rubtzoff 1955-8-27 2105 Sonoma East Guernewood, near Guerneville. Comment
  CAS-BOT-BC182744  Alisma triviale Peter Rubtzoff 1970-8-18 6304 Sonoma Five miles north of Sears Point Comment
  CAS-BOT-BC445466  Alisma triviale Peter Rubtzoff 1958-7-5 3741 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC445471  Alisma triviale Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC445477  Alisma triviale Walter Knight; Irja Knight 1965-9-12 1187 Sonoma Newanga Road, Santa Rosa. Comment
  RSA0057954  Allium amplectens Greg de Nevers 1998-5-19 11252 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Franz Valley Road. 100 Comment
  JEPS88972  Allium dichlamydeum H. P. Chandler 1920-5-25 718 Sonoma Bodega Bay Comment
  SEINET7067339  Allium parryi A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor. Coordinate datum: NAD27. UTM Zone 10, 522900mE, 4266529mN. Comment
  UCD138618  Allium vineale G. D. Barbe 1974-4-29 1782 Sonoma 1 mile south of Washington School Road on Asti Road, Asti. Comment
  JEPS52302  Allotropa virgata Wayne Roderick 1967-6-18 Sonoma On the Ida Clayton Road Northwest of Mt. St. Helena 609 Comment
  CAS-BOT-BC169655  Alnus rhombifolia Peter Rubtzoff 1960-6-9 4488 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road Comment
  CAS-BOT-BC303  Alopecurus aequalis Peter Rubtzoff 1955-5-7 1821 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC257987  Amaranthus Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7846 Sonoma Southern area of Kenwood Marsh, ca. 0.5 miles south of Kenwood. Comment
  CAS-BOT-BC540840  Amaranthus Peter Rubtzoff 1973-9-4 7300 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville Comment
  RSA234553  Amaranthus retroflexus Peter Rubtzoff 1971-8-31 6665 Sonoma Todd Road near Stony Point Road Comment
  CAS-BOT-BC44968  Ambrosia chamissonis Mary P. Wells 1982-7-4 s.n. Sonoma Pebble Beach, The Sea Ranch Comment
  JEPS117084  Amelanchier alnifolia var. semiintegrifolia Peter Warner 2010-4-15 133 Sonoma Jenner Headlands, Sonoma Land Trust property, ~ 300 m E of primary access road (Willig Ave. extension), at corral gate near house, ~ 1 km N of Jenner village, on rock outcrop in grassland. Comment
  UCD148462  Ammannia robusta Peter Rubtzoff 1963-8-24 5238 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC137886  Ammophila arenaria John H. Thomas 1969-9-21 15472 Sonoma Coastal strand, near mouth of Russian River. Comment
  UCD56002  Ammophila arenaria Beecher Crampton 1957-7-11 4317 Sonoma west of Bodega Harbor, 1-2 miles, by road, west of the town of Bodega Bay. Comment
  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
  SJSU9477  Amorpha californica W. G. Iltis 1981-5-24 Sonoma Hupel Ranch, Porter Cr Rd near Mark West Rd Comment
  UC400144  Amorpha californica var. napensis Ynes Mexia 1929-6-2 2390 Sonoma canyon near Mark West Springs Comment
  CAS-BOT-BC162066  Amphibromus scabrivalvis Greg de Nevers 1996-6-5 10826 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road, about 10 miles north of Santa Rosa. In temporary pond on Weimar Flat. 121 Comment
  CAS-BOT-BC222271  Amsinckia A. A. Heller 1934-4-28 s.n. Sonoma At Dillon Beach Comment
  CAS-BOT-BC222277  Amsinckia John Thomas Howell 1934-3-25 11778 Sonoma Lakeville Comment
  NY380649  Amsinckia nigricans A. A. Heller 1902-5-27 5614 Sonoma Bodega Bay Comment
  UC1301080  Amsinckia spectabilis Helen K. Sharsmith 1963-5-25 5496 Sonoma just s Bodega Harbor; San Francisco Bay Region 1 Comment
  UCD128838  Anaphalis margaritacea Mary M. Hektner 1976-9-16 270 Sonoma below west half of Yardarm Drive, Unit 15 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC576313  Andropogon virginicus var. virginicus H. S. Yates 1937-8-22 6865 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  SEINET10513944  Andropogon virginicus var. virginicus Harry S. Yates 1937-8-22 Yates 6865 Sonoma 2 miles southeast of Forestville. 30 Comment
  CAS-BOT-BC391872  Anemone grayi Mrs. H. C. Cantelow 1939-4-12 s.n. Sonoma On the road to Cazadero via Plantation Comment
  CAS-BOT-BC221429  Angelica hendersonii John Thomas Howell 1930-7-27 5408 Sonoma 1 mile north of Fort Ross Comment
  CAS-BOT-BC221436  Angelica hendersonii David D. Keck; J. Clausen 1935-6-15 3373 Sonoma 1 mile N. of Salmon Creek Comment
  CDA38225  Angelica hendersonii T. C. Fuller 1957-9-24 397 -57 Sonoma Jenner. 0 Comment
  UC496379  Anisocarpus madioides Merle Randall 1930-6-7 Sonoma Cazadero Comment
  CAS-BOT-BC271440  Anisocarpus madioides H. M. Hall 1931-5-28 13103 Sonoma Four miles northeast of Mark West Spr., Northeastern Sonoma County Comment
  CAS-BOT-BC173666  Anthemis cotula Peter Rubtzoff 1958-8-9 3834 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UCD166185  Anthemis cotula Peter Rubtzoff 1969-8-14 6133 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  RSA796686  Anthemis cotula Peter Rubtzoff 1954-7-27 1566 Sonoma Guernerville Marsh. Comment
  UCD129053  Anthemis cotula Cathy Hendel 1974-7-25 s.n. Sonoma along fence line; Unit 35-C Owners Map, Sea Ranch, near Stae Highway 1. Comment
  RSA259578  Anthemis fuscata Thomas W. Nelson, James Nelson 1975-3-25 1751 Sonoma Asti, Growing as a weed in cultivated areas, vinyards Comment
  POM311191  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma along Highway 101, north of Windsor. Comment
  UC903686  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma n of Winson (e of Hwy 101) Comment
  UCD56130  Anthoxanthum aristatum Beecher Crampton 1959-6-16 5367 Sonoma 0.2 miles E of Occidental. Comment
  UCD150839  Anthoxanthum aristatum subsp. aristatum 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. Comment
  CAS-BOT-BC280661  Anthoxanthum occidentale Roxana S. Ferris; Laura Lorraine 1961-6-14 13538 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  CAS-BOT-BC280663  Anthoxanthum occidentale J. W. Congdon 1880-5-17 s.n. Sonoma Guerneville Comment
  UCD85341  Anthoxanthum occidentale Roxana S. Ferris; Laura Lorraine 1961-6-14 13538 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway. Comment
  CAS-BOT-BC280667  Anthoxanthum occidentale David L. Morgan 1958-2-13 s.n. Sonoma 4 mi. W. of Monte Rio on Russian River Rd. Comment
  UCD85329  Anthoxanthum occidentale Collector Unknown 1941-3-1 s.n. Sonoma Garden in S. R. (Bud's) Comment
  CAS-BOT-BC137689  Anthoxanthum odoratum Peter Rubtzoff 1955-5-14 1849 Sonoma Duncans Mills Marsh. Around the eastern border of the Marsh. Comment
  CAS-BOT-BC137693  Anthoxanthum odoratum John H. Thomas 1976-6-16 18340 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  RSA129297  Anthoxanthum odoratum H. S. Yates 1937-6-6 6583 Sonoma 1 mile E. of Duncan Mills 91 Comment
  UCD151205  Anthoxanthum odoratum James A. Neilson Jr. 1974-7-10 2819 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  UCD56259  Anthoxanthum odoratum Leo Koch 1940-4-22 841 Sonoma North Bay Counties, along Highway 101, north of Windsor. Comment
  UC978117  Anthriscus caucalis L. Beane and Lois E. James 1949-5-11 1985 Sonoma 3 mi e Hopland Comment
  CDA5342  Anthriscus caucalis T. C. Fuller 1967-6-7 15932 Sonoma Matheson property, Upland Road, 2 miles north & 1 mile west of Petaluma. 0 Comment
  UCR254874  Antirrhinum vexillocalyculatum Peter Rubtzoff 1964-6-6 5355 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg 61 Comment
  UC444960  Antirrhinum vexillocalyculatum subsp. breweri Milo S. Baker 1907-6-28 Sonoma near Duncan's Mills (Russian River); Russian River Comment
  UC26380  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum J. Burtt Davy 1894-12-9 867 Sonoma Kenwood Comment
  CAS-BOT-BC237924  Antirrhinum virga W. W. Carruth 1901-6-1 s.n. Sonoma Near Cazadero Comment
  UC725679  Aquilegia formosa A. A. Heller 1940-5-10 15601 Sonoma near Fort Ross Comment
  CAS-BOT-BC17342  Arabis blepharophylla A. A. Heller; H. E. Brown 1902-3-29 5178 Sonoma Bodega Head. Comment
  UC1084360  Arabis blepharophylla G. Thomas Robbins 1937-3-26 23 Sonoma near Bodega bay Comment
  RSA0125531  Arabis blepharophylla A. A. Heller, H. E. Brown 1902-3-29 5178 Sonoma Bodega Bay. Comment
  CAS-BOT-BC128617  Arbutus menziesii Saichi Kawahara 1968-4-20 325 Sonoma Trinity Road, 1 mile northeast of Highway 12 152 Comment
  POM77224  Arbutus menziesii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  OBI14777  Arbutus menziesii David Burgess 1957-11-25 10 Sonoma On a Mountain East of Santa Rosa Comment
  RSA629217  Arctostaphylos Jon E. Keeley 1993-9-11 24782 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629221  Arctostaphylos Jon E. Keeley 1993-9-11 24786 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388334  Arctostaphylos Freed W. Hoffman 1947-2-25 768 Sonoma near Guerneville (headwaters of creek); North Coast Ranges, Fife Creek, Del Preti Hill Comment
  UC1388335  Arctostaphylos Freed W. Hoffman 1947-3-11 822 Sonoma Duvoul Creek North Coast Ranges (a branch of Dutch Bill Creek) Comment
  RSA0077990  Arctostaphylos B. A. Stein 1981-3-7 446 Sonoma Vine Hill Rd., 1/2 mile S of Vine Hill School Rd. Comment
  CAS-BOT-BC24078  Arctostaphylos bakeri Walter Knight; Irja Knight 1985-12-29 6378 Sonoma Harrison Grade 213 Comment
  OBI14768  Arctostaphylos bakeri Robert F. Hoover 1968-2-23 10893 Sonoma Graton-Occidental rd Comment
  UCD50406  Arctostaphylos bakeri E. Armstrong 1934-3-26 932 Sonoma 3 m. N. Camp Meeker. 91 Comment
  SEINET12524557 Image available Arctostaphylos bakeri C. M. Belshaw 1936-1 1557 Sonoma 2 miles north-northeast of Occidental, Sebastopol quadrangle Sec._ T. 7N.,R. low. 189 Comment
  JEPS79448  Arctostaphylos bakeri subsp. bakeri Edward Lee with W. A. Setchell 1936-6-7 2190 Sonoma Bohemian Grove , South ridge fire trail (South ridge fire trail) Comment
  RSA622703  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24699 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  SBBG83949  Arctostaphylos bakeri subsp. sublaevis R. Raiche 1982-4-10 20301 b Sonoma King Ridge Rd (4.5 mi N of jct with Ft. Ross Rd, about .7 mi in from King Ridge Rd on Old Layton Mine Rd (on topo map area is called "The Cedars."); N of Cazadero Comment
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Oct 17 2013
  SEINET11998352  Arctostaphylos bakeri subsp. sublaevis Unknown 1987-1 70795 Sonoma N of Cazadero, The Cedars, near confluence of N & E branches of headwaters of Red Slide Creek 421 Comment
  OBI14764  Arctostaphylos canescens H. E. McMinn 1936-4-4 4395 Sonoma Ridge near R.L. Stevenson Monument, Mt. St. Helena Comment
  RSA13433  Arctostaphylos canescens subsp. canescens H. F. Copeland 1933-3-18 A- 10 Sonoma Vine Hill region west of Santa Rosa. Comment
  CAS-BOT-BC23896  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1931-3-14 5760 Sonoma Rincon Ridge, near Santa Rosa Comment
  RSA18973  Arctostaphylos canescens subsp. sonomensis J. T. Howell 1937-4-11 12894 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  UC1120079  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1577 Sonoma 3/4 mi se County Farm; Santa Rosa Quadrangle, Rincon Ridge 152 Comment
  UC876540  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1933-3-18 7331 Sonoma 2 mi ne Santa Rosa; Rincon Ridge Comment
  SEINET11989282  Arctostaphylos canescens var. sonomensis W. Knight, Knight, I. 1982-1 4443 Sonoma Tilden Botanic Garden, Berkeley, originally from Rincon Ridge Comment
  UC549697  Arctostaphylos columbiana J. E. Adams 1935-3-28 734 Sonoma seven mi n Fort Ross Comment
  CAS-BOT-BC23639  Arctostaphylos columbiana Mary P. Wells 1985-10-4 667 a Sonoma About 1 mile south of Gualala River Comment
  UCD51494  Arctostaphylos columbiana Beecher Crampton 1957-7-22 4388 Sonoma Along State Hwy. 1; 8.7 miles south of Sewart's Point. Comment
  CAS-BOT-BC24978  Arctostaphylos densiflora J. Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4078 Sonoma Originally collected in Vine Hill District, near Sebastopol. Comment
  CAS-BOT-BC25010  Arctostaphylos densiflora Walter Knight; Irja Knight; J. Sigg; Elizabeth McClintock 1981-3-25 4031 Sonoma Originally from a population in Vine Hill Dist Comment
  CAS-BOT-BC25019  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill Schoolhouse. Comment
  LA42171  Arctostaphylos densiflora E. B. Copeland; 1933-3-18 A 5 Sonoma near Vine Hill School House Comment
  SDSU1493  Arctostaphylos densiflora D. F. Howe 1963-5-22 3523 Sonoma Vine Hill Road, about 10 miles west of Santa Rosa. 152 Comment
  UC876398  Arctostaphylos densiflora Milo S. Baker 1933-3-18 7330 Sonoma near Vine Hill School House (10 mi w of Santa Rosa) Comment
  UC909866  Arctostaphylos densiflora J. E. Adams 1934-3-28 713 Sonoma Vine Hill School Sta. Rosa Comment
  UCD50802  Arctostaphylos densiflora Roman Gankin 1957-11-1 247 Sonoma Vine Hill School Road, 0.1 mile east of juncture with Vine Hill Road. Comment
  RSA631180  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1996-6-22 27487 Sonoma Stewarts Road ca. 10 km W of Geyserville. 420 Comment
  CAS-BOT-BC24724  Arctostaphylos glandulosa subsp. glandulosa A. A. Heller; H. E. Brown 1902-3-31 5194 Sonoma Mt. Hood. Comment
  RSA177920  Arctostaphylos glandulosa subsp. glandulosa R. F. Thorne 1965-4-20 34374 Sonoma 4 mi . up Cavedale Rod., ca. 6 mi. N of sonoma. 457 Comment
  UC876408  Arctostaphylos glandulosa subsp. glandulosa Milo S. Baker Mar 1930 7332 Sonoma College Ave. Hwy Vine Hill Region Comment
  CAS-BOT-BC39113  Arctostaphylos hispidula Roger Raiche 1984-2-3 40016 Sonoma Rockpile Road, 9/1 miles north from its intersection and beginning at Skaggs Spring-Stewarts Point Road. 502 Comment
  UCD50865  Arctostaphylos hispidula Roger Raiche 1984-11-10 RR 40541 Sonoma Rockpile Road, 7.8 miles north of its beginning at intersection of Skaggs Springs-Stewarts Point Rd. 548 Comment
  UCD59421  Arctostaphylos hispidula Roger Raiche 1984-1-14 RR 40016 Sonoma Rockpile Road, 9.1 miles northwest of its intersection and beginning at Stewarts Point-Skaggs Springs Road. 502 Comment
  RSA364256  Arctostaphylos hispidula Roger Raiche 1984-2-3 RR 40028 Sonoma Kelly Road northwest of Mt. Tom (5.3 miles northwest from its origin at Rockpile Road) 533 Comment
  LA42191  Arctostaphylos manzanita H. F. Copeland; 1933-3-18 A 9 Sonoma Mt Hood, Residence of M. S. Baker, at W base Comment
  SBBG119553  Arctostaphylos manzanita C. Bornstein, E. Collins 2006-8-24 Sonoma Rincon Ridge Park Sensitive Area, Park Gardens Drive off Rincon Ridge Drive 259 Comment
  SEINET2028701 Image available Arctostaphylos manzanita H. F. Copeland 1933-3-18 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa Comment
  UCD36698  Arctostaphylos manzanita Beecher Crampton 1955-6-17 2978 Sonoma Sonoma County, 2.4 miles south of Monte Rio, road to Camp Meeker. Comment
  UCD52226  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1072 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  UCD52232  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1067 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  SEINET11990968  Arctostaphylos manzanita Unknown 1983-1 30499 I Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11990972  Arctostaphylos manzanita Unknown 1983-1 30489 Sonoma ridge is eastern end of Rocky Mt. Ridge W of Blue Rock between Gray Creek to S & Devils Creek to N 305 Comment
  SEINET11990980  Arctostaphylos manzanita Unknown 1982-1 20862 Sonoma above Gilliam Creek, East Austin Creek State Rec. Area Comment
  SEINET11998361  Arctostaphylos manzanita subsp. bakeri W. Knight, Knight, I. 1985-1 6378 Sonoma Harrison Grade 213 Comment
  CAS-BOT-BC38946  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 11760 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38950  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7944 Sonoma Mt. St. Helena 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-BC38687  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5762 Sonoma Rincon Ridge near Santa Rosa Comment
  CAS-BOT-BC38723  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1932-3-18 A 4 Sonoma Rincon Ridge, north of Santa Rosa Comment
  CHSC83180  Arctostaphylos manzanita subsp. manzanita Christine Lee 1993-4-24 97 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. South of Sonoma Creek along Hillside Trail. 396 Comment
  SBBG28917  Arctostaphylos manzanita subsp. manzanita J. Clausen 1933-3-26 750 Sonoma Baker Ranch, Kenwood, Adobe Cyn Comment
  CAS-BOT-BC38694  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight; Jacob Sigg 1981-3-11 4158 Sonoma From Strybing Arboretum, Golden Gate Park, San Francisco, #68-88, via Univ. of Cal. Davis, their #67.718. Comment
  RSA96685  Arctostaphylos manzanita subsp. manzanita P. C. Everett, E. K. Balls, George B. Everett 1954-10-20 20379 Sonoma Rincon Ridge, about 2 mi. n.e. of Santa Rosa off Hwy 12. 137 Comment
  UCD52046  Arctostaphylos manzanita subsp. manzanita Christine Lee 1993-4-24 97 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa; south of Sonoma Creek along Hillside Trail. 396 Comment
  UC549524  Arctostaphylos nummularia J. E. Adams 1934-6-9 830 Sonoma coastal bluffs near McNamees Store Comment
  CAS-BOT-BC43881  Arctostaphylos stanfordiana Lewis S. Rose 1955-2-28 55008 Sonoma 2 mi. w. of Graton 121 Comment
  CDA12041  Arctostaphylos stanfordiana G. F. Hrusa 1990-1-2 7350 Sonoma North Coast Biodiversity Arena; NW slopes of Hogback Mtn. approx. 4 km. NE of Sonoma. Comment
  JEPS98851  Arctostaphylos stanfordiana James B. Roof 1963-2-28 Sonoma Mt. St. Helena 868 Comment
  LA42284  Arctostaphylos stanfordiana H. F. Copeland; 1933-3-18 A 6 Sonoma Rincon Ridge, near Santa Rosa Comment
  RSA380886  Arctostaphylos stanfordiana Roger Raiche 1982-4-10 RR- 20301 G Sonoma King Ridge Rd. (4.5 mi. n. of jct. with Ft. Ross Rd.) about .7 mi. in from King Ridge Rd. on Old Layton Mine Road. On topo map area is called The Cedars. North of Cazadero. Comment
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Oct 17 2013
  RSA636819  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24742 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UCD53847  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 686 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
  UC725948  Arctostaphylos stanfordiana A. A. Heller 1942-3-15 16394 Sonoma just ne Santa Rosa; Rincon Ridge Comment
  JEPS95233  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  SBBG28448  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A 6 Sonoma 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
  UC549528  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 739 Sonoma coastal bluffs s Gualala Riv. Comment
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Nov 10 2011
  HSC7741  Arctostaphylos viscida P. J. Zinke 1949-6-19 63 Sonoma Divide between Smith and Dry Creek 457 Comment
  SEINET11989191  Arctostaphylos viscida S. W. Edwards 1982-1 s.n. Sonoma The Cedars Ridge, N of Cazadero, NW of King Ridge Rd at source of Big Austin Creek Comment
  SEINET12524560 Image available Arctostaphylos viscida F. W. Hoffman 1946-1 566 Sonoma Layton mine, Austin Creek. Comment
  CAS-BOT-BC47462  Arctostaphylos viscida subsp. viscida Irja Knight; Walter Knight 1964-1-26 822 Sonoma Ca 1 m. high. Foote's Ravine north end Knight's Valley. 1 mi W. Ida Clayton Rd. Comment
  CAS-BOT-BC467189  Arenaria serpyllifolia var. serpyllifolia John Thomas Howell 1935-5-5 12602 Sonoma Spontaneous in M.S. Baker garden near Kenwood Comment
  CAS-BOT-BC400486  Aristolochia californica Peter Rubtzoff 1951-9-3 738 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  UC6150  Aristolochia californica F. T. Bioletti May, 1891 Sonoma Comment
  SEINET9291368  Armeria maritima Unknown 1994-5-25 Sonoma Bodega Head Comment
  CAS-BOT-BC64582  Armeria maritima subsp. californica Alice Eastwood; John Thomas Howell 1939-4-2 7372 Sonoma Coast n. of Bodega Bay. Comment
  RSA262356  Armeria maritima subsp. californica Steven Yoder 1969-5-24 29 Sonoma 1 mile N of Bodega Marine Lab. 9 Comment
  UCSB50184  Armeria maritima subsp. californica Gray, John 1976-5-1 Sonoma On North Salmon Creek Beach near Highway 1; T 6N, R 11W 18 Comment
  CAS-BOT-BC82560  Arnica discoidea Greg de Nevers 1997-6-7 11021 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC146277  Arrhenatherum elatius var. elatius David L. Morgan 1956-6-10 s.n. Sonoma On the Bohemian Highway, 2 miles south of Occidental. Comment
  CAS-BOT-BC90493  Artemisia douglasiana Peter Rubtzoff 1951-9-2 699 Sonoma Southern half of Lower Marsh 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
  RSA791570  Artemisia douglasiana Peter Rubtzoff 1973-8-31 7292 Sonoma Upper Green Valley Marsh area. Comment
  RSA796171  Artemisia douglasiana Peter Rubtzoff 1954-9-6 1743 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC400605  Asarum caudatum Peter Rubtzoff 1951-6-17 284 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC400609  Asarum caudatum A. A. Heller; H. E. Brown 1902-3-22 5129 Sonoma West of Sebastopol Comment
  CAS-BOT-BC478542  Asparagus officinalis Walter Knight; Irja Knight 1963-9-1 152 Sonoma McCray Rd - Cloverdale Comment
  CAS-BOT-BC361382  Asteraceae Greg de Nevers 1997-2-18 10906 Sonoma Highway 101, near Cloverdale Comment
  CAS-BOT-BC180468  Astragalus breweri Milo S. Baker 1932-4-27 5942 Sonoma Calistoga Geysers Comment
  CAS-BOT-BC186821  Astragalus gambelianus Helen D. Geis 1902-8-1 s.n. Sonoma Pluton Creek Bed Comment
  CAS-BOT-BC186823  Astragalus gambelianus Mrs. C. A. Burlingame 1922-5-1 s.n. Sonoma Sonoma Comment
  UC1042437  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-11-24 843 Sonoma near Forestville (n 1/2 of Lower Marsh); Pitkin Marsh Comment
  UC42234  Athyrium filix-femina var. cyclosorum F. T. Bioletti 1892-1 Sonoma Gualala River Comment
  UCD114231  Athysanus pusillus Frederica Bowcutt 1996-3-24 2085 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air mile SE of Red Mountain. Along Vista Trail just SW of Headwaters Trailhead. Comment
  UC604106  Atriplex leucophylla Milo S. Baker 1938-6-6 9016 Sonoma beach Salmon Creek Comment
  UCD97497  Atriplex leucophylla P. G. Connors 1991-6-17 162 Sonoma Bodega Marine Laboratory. Comment
  UC7081  Atriplex triangularis Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  CAS-BOT-BC98603  Baccharis douglasii John Thomas Howell 1945-8-14 21398 Sonoma Perry Marsh Comment
  CAS-BOT-BC98649  Baccharis douglasii J. W. Congdon 1880-8-2 s.n. Sonoma Santa Rosa Comment
  JEPS81900  Baccharis glutinosa Roger Raiche 1982-8-22 20701 Sonoma canyon running through Vine Hill Vine Hill 213 Comment
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Oct 17 2013
  UCR30559  Baccharis glutinosa John C. Roos 1948-8-28 3959 Sonoma North Coast Ranges, near Healdsburg 31 Comment
  RSA0025201  Barbarea Peter Rubtzoff 1989-6-10 10004 Sonoma Along Russian River, ca. 6 mi east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC145827  Beckmannia syzigachne Peter Rubtzoff 1960-6-25 4513 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville roads. Comment
  CAS-BOT-BC145834  Beckmannia syzigachne J. W. Congdon 1880-5-31 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC145874  Beckmannia syzigachne John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  JEPS45857  Beckmannia syzigachne Eleanor Armstrong 1932-5-16 156 Sonoma 8 mi w Santa Rosa (near Wright School, swamp) 30 Comment
  RSA13556  Beckmannia syzigachne H. P. Bracelin 1930-7-27 20 Sonoma One mile N. of Fort Ross. Comment
  UCR248773  Beckmannia syzigachne Peter Rubtzoff 1970-6-14 6263 Sonoma Marsh on River Road, c. 3 miles west of Fulton 27 Comment
  CAS-BOT-BC75659  Berberis nervosa Walter Knight; Irja Knight 1963-11-22 426 Sonoma Ida Clayton Road not far from Lake county line. Comment
  CAS-BOT-BC102007  Bidens frondosa Milo S. Baker 1946-8-17 11560 Sonoma The Laguna at Crossing of the Occidental Rd. Comment
  CAS-BOT-BC290722  Bidens frondosa Peter Rubtzoff 1961-8-24 4712 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  CAS-BOT-BC290651  Bidens laevis Peter Rubtzoff 1963-10-30 5300 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC100251  Blennosperma bakeri Milo S. Baker 1952-3-20 12401 Sonoma East side of 5th St between McArthur and Bettencourt Strs. This is type loc. West Sonoma City Comment
  CAS-BOT-BC100257  Blennosperma bakeri John Thomas Howell 1949-4-6 25303 Sonoma Low field sw. of Sonoma Comment
  RSA0000973  Blennosperma bakeri Milo S. Baker 1946-4-2 11307 Sonoma Western outskirts of Sonoma in 'hog wallow' about 0.25 mi south of Napa Street in field on east side of street. Comment
  SEINET8466128 Image available Bloomeria crocea J. A. Ewan 1935-5-13 9264 Sonoma Wright School on Sebastopol Rd. Comment
  RSA790868  Boisduvalia densiflora Peter Rubtzoff 1957-8-17 3519 Sonoma Occidental Marsh. Comment
  RSA94293  Boisduvalia densiflora var. densiflora Peter Rubtzoff 1951-8-5 600 Sonoma Pitkin Marsh near Forestville, western branch of the Upper Marsh Comment
  CAS-BOT-BC322143  Bolboschoenus maritimus Peter Rubtzoff 1972-8-26 6859 Sonoma Laguna, Chileno Valley. Comment
  UC1100890  Bolboschoenus maritimus Herbert L. Mason and Verne Grant 1946-8-28 13076 B Sonoma Mouth of Tolay Creek. Comment
  CAS-BOT-BC376323  Boraginaceae Greg de Nevers 1993-5-17 10454 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Devil's Kitchen east of 3865 Franz Valley Road. 400 Comment
  UC420422  Boykinia occidentalis Milo S. Baker 1898-1 Sonoma Santa Rosa Canyon Comment
  UCD114608  Brassica juncea Chris Bowen 1974-5-19 130 Sonoma Near Pacific Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC36651  Brassica oleracea Mary P. Wells 1989-4-3 977 Sonoma Santa Rosa. Rincon Valley. Streamside of fence east of Friends House. Comment
  UC1222965  Brickellia californica Joseph P. Tracy 1947-10-6 17938 Sonoma w of Knight's Valley (gravel bar along Mayacamas Creek); Mayacamas Creek Comment
  UCD57155  Briza maxima B. Crampton 1954-4-26 1790 Sonoma Hwy. 128. About 9 miles SE Geyserville. Comment
  CAS-BOT-BC145295  Briza minor John H. Thomas 1976-6-16 18273 Sonoma Souther part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC145299  Briza minor John H. Thomas 1966-5-8 11602 Sonoma 1.4 mile west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. Comment
  CAS-BOT-BC145283  Briza minor David L. Morgan 1956-5-6 s.n. Sonoma On the Petaluma - Valley Ford road near Robler Road. Comment
  UCD57382  Briza minor Frank H. Takatori 1952-5-11 s.n. Sonoma 1 mile north of Petaluma. Comment
  UC843568  Brodiaea elegans subsp. elegans Lewis S. Rose 1940-5-22 40363 Sonoma Sonoma 30 Comment
  CAS-BOT-BC486541  Brodiaea elegans subsp. elegans Peter Rubtzoff; Nancy Harrison 1976-6-18 8644 Sonoma False Lake Meadow area, Annadel State Park Comment
  CAS-BOT-BC486502  Brodiaea stellaris Milo S. Baker 1923-7-26 1278 Sonoma Lamb Ranch near head of South Fork of Yager Comment
  SEINET9636479 Image available Brodiaea stellaris Fred W. Hoffman 1947-5-18 541 Sonoma ca. 2 miles east of Occidental. Comment
  UC1051667  Brodiaea terrestris subsp. terrestris Peter Kamb 1950-6-17 1880 Sonoma 2.9 mi w fork in road to Bodega and Valley Ford (Larkspur Rock, s side of Cheney Gulch); Cheney Gulch Comment
  UC1300937  Brodiaea terrestris subsp. terrestris Helen K. Sharsmith 1963-5-25 5474 Sonoma Two Rock to Tomales road (w edge of Sonoma County); San Francisco Region 91 Comment
  CAS-BOT-BC486456  Brodiaea terrestris subsp. terrestris H. C. Cantelow 1941-6-7 s.n. Sonoma Open grassy hill top, 4.2 miles north of Jenner Comment
  CAS-BOT-BC486462  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1951-6-30 288 Sonoma Uppermost part of the western branch of the Upper Marsh, near the edge of a thickett Comment
  CAS-BOT-BC486473  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1951-6-2 85 Sonoma Uppermost part of the northern branch of the Upper Marsh, near the edge of the thickett Comment
  CAS-BOT-BC149491  Bromus arvensis Greg de Nevers 1987-6-1 8188 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 400 Comment
  UCD58258  Bromus carinatus Collector unknown 1941-6-1 Sonoma Santa Rosa. Veteran's Park. Comment
  CAS-BOT-BC149052  Bromus carinatus var. carinatus Peter Rubtzoff 1953-5-17 1379 Sonoma Vacation Beach, near Guerneville. Comment
  UC1155624  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1942-5-12 3232 Sonoma Sebastopol Comment
  UC1155625  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1942-5-12 3231 Sonoma 2.8 mi n of Occidental (on road to Monte Rio) Comment
  UC1010991  Bromus carinatus var. maritimus Virginia Bufford 1936-5-1 170 Sonoma Bodega Canyon at Larkspur Rock Larkspur Rock; Bodega Canyon, Larkspur Rock Comment
  CAS-BOT-BC156276  Bromus catharticus Catherine Best 1982-6-30 s.n. Sonoma At Bodega Bay. Comment
  RSA127002  Bromus commutatus H. S. Yates 1937-6-6 6581 Sonoma 8 miles S. W. of Healdsburg 152 Comment
  CAS-BOT-BC155661  Bromus diandrus G. DeNevers 1981-4-8 672 Sonoma Pepperwood Ranch. Pippindale Farm. Cresta Stable. 3000 Mark West Springs Road. Comment
  CAS-BOT-BC155667  Bromus diandrus John H. Thomas 1966-5-8 11597 Sonoma 1.4 mile west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. Comment
  CAS-BOT-BC155204  Bromus hordeaceus Peter Rubtzoff 1958-5-10 3640 Sonoma Laguna de Santa Rosa east of Cunningham (Near Llano Road). Comment
  CAS-BOT-BC155211  Bromus hordeaceus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53969 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  UCD66095  Bromus hordeaceus Frederica Bowcutt; Jeff Kennedy (Det.) and Jolie Hendricks 1994-5-1 1751 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; ~11 air miles E of Santa Rosa; ~18 air miles NW of Napa; ~1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along Goodspeed Trail ~1/8 mile from trail head on Adobe Canyon Rd. 213 Comment
  UCD144422  Bromus laevipes Frederica Bowcutt 1996-5-19 2150 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 1 air mile south of Red Mountain. Lower Bald Mountain trail. 472 Comment
  UCD58886  Bromus laevipes Beecher Crampton 1959-6-16 5365 Sonoma 3 miles west of Graton. Comment
  CAS-BOT-BC162255  Bromus maritimus David L. Morgan 1961-5-7 s.n. Sonoma Doran Park, about 1 mile south of Bodega Bay. Comment
  UC903719  Bromus mollis Milo S. Baker 1947-5-7 11741 Sonoma Hood Mountain near Grant Line; Hood Mountain 228 Comment
  UCD95022  Bromus rubens Freed W. Hoffman 1942-5-3 2249 Sonoma North Coast Ranges. Oregon Canyon near Camp Meeker. Comment
  UCD151081  Bromus vulgaris James A. Neilson Jr. 1974-6-1 3022 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
  CAS-BOT-BC233704  Buddleja davidii Catherine Best 1984-8-18 1042 Sonoma Russian River Highway about .5 miles east of Monte Rio Comment
  SD38261  Cakile edentula var. edentula Edith A. Purer 1932-7-21 4040 Sonoma Bodega Bay Comment
  UCD114956  Cakile maritima Walter Russell 1947-3-5 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC36913  Cakile maritima var. maritima Walter Knight; Irja Knight 1963-8-13 138 Sonoma Horseshoe Cove. Comment
  CAS-BOT-BC185404  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma State Highway 1, 8.7 miles south of Stewart's Point. Comment
  CAS-BOT-BC185411  Calamagrostis bolanderi Peter Rubtzoff 1951-6-10 194 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC185413  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma State Highway 1, 8.7 miles south of Stewart's Point. Comment
  UCD57037  Calamagrostis bolanderi P. B. Kennedy 1915-7-1 s.n. Sonoma Del Mar. Comment
  UCD57042  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCR254853  Calamagrostis bolanderi Greg de Nevers 1996-6-17 10831 Sonoma CYO Camp south of Occidental on Bohemian Highway [2136 Bohemian Hwy, Occidental] 122 Comment
  SEINET253574 Image available Calamagrostis nutkaensis Barbara L. Wilson 1997-7-30 8902 Sonoma Salt Point State Park; Swale in grassy headland by the sea. 15 Comment
  UCD57505  Calamagrostis nutkaensis P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar Ranch. Comment
  UC1146641  Calamagrostis ophitidis Freed W. Hoffman 1941-6-1 2188 Sonoma Oregon Canyon North Coast Ranges Comment
  UCD160969  Calamagrostis ophitidis James A. Neilson Jr. 1975-7-8 3411 Sonoma Mayacmas Mountains. Socrates Mine Road, near summit. (Elevation and coordinates estimated by label maker.) 975 Comment
  UC903715  Calandrinia breweri Milo S. Baker 1947-4-22 11694 Sonoma McCatney Ranch Hood Mt. (w slope of mountain) 213 Comment
  CAS-BOT-BC438600  Calandrinia ciliata Peter Rubtzoff 1953-5-16 1362 Sonoma Vacation Beach, near Guerneville. Bank of Russian River. Comment
  CAS-BOT-BC438609  Calandrinia ciliata A. A. Heller; H. E. Brown 1902-4-9 5234 Sonoma Three miles South of Healdsburg Comment
  CAS-BOT-BC438612  Calandrinia ciliata Clare R. Wheeler 1978-3-30 138 Sonoma Pine Mt. Road - 4 miles (6.4 km.) NE of Cloverdale 548 Comment
  CDA6850  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma Just east of Sonoma. 0 Comment
  CAS-BOT-BC273242  Calendula arvensis W. R. Russell 1967-3-28 s.n. Sonoma At north end of town, Sonoma Comment
  UCR249030  Callitriche verna Peter Rubtzoff 1974-4-6 7348 Sonoma Kenwood Marsh 120 Comment
  JEPS61627  Calochortus amabilis Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  JEPS78289  Calochortus amabilis Susan Smith, Jim Roof, and Barbara Deutach 1979-6-17 Sonoma about 8 mi w Calistoga (along Calistoga road) Comment
  JEPS82299  Calochortus amabilis Roger Raiche 1983-6-19 30413 A Sonoma n of Cazadero (the Cedars, above middle fork of Red Slide Creek) 457 Comment
Read comments
Oct 17 2013
  CAS-BOT-BC483273  Calochortus amabilis James L. Reveal 1988-6-1 6972 Sonoma Along Geysers Road, 9.2 miles east-southeawst of U.S. Highway 101, 1 mile southeast of West Squaw Creek Road and 4.2 miles northwest of the turnoff to Geysers Resort, about 13 miles east of Cloverdale 320 Comment
  UCR143606  Calochortus tolmiei G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  CAS-BOT-BC132642  Calochortus uniflorus Ella Dales Cantelow 1939-4-8 3966 Sonoma S. of Shellville Comment
  CAS-BOT-BC270706  Calycadenia multiglandulosa Roxana S. Ferris; Laura Lorraine 1961-6-14 13548 Sonoma Junction of Occidental Road with Facendini Lane Comment
  CAS-BOT-BC270710  Calycadenia multiglandulosa David D. Keck 1933-11-6 2648 Sonoma 2.5 miles N of Occidental Comment
  CAS-BOT-BC270843  Calycadenia pauciflora Gerald D. Carr 1972-3-20 688 Sonoma 2.0 miles N of Highway 128 on Ida Clayton Road 487 Comment
  RSA0009791  Calycadenia pauciflora Marcus E. Jones 1931-7-5 29125 Sonoma The Geysers. Comment
  UCD129826  Calycadenia pauciflora Gerald D. Carr 1972-3-20 688 Sonoma 2.0 miles north of Highway 128 on Ida Clayton Road, south-facing serpentine slope. 487 Comment
  CAS-BOT-BC272755  Calycadenia truncata subsp. truncata Walter Knight; Irja Knight 1963-9-15 293 Sonoma Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC272759  Calycadenia truncata subsp. truncata Milo S. Baker 1932-10-9 6044 Sonoma Above Kenwood Sprg. South side of canyon Comment
  CAS-BOT-BC272760  Calycadenia truncata subsp. truncata Milo S. Baker 1933-9-11 7557 Sonoma Between Calistoga, Napa County, and Redwood Highway Comment
  CAS-BOT-BC90990  Calycanthus occidentalis Peter Rubtzoff 1960-6-10 4492 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC90999  Calycanthus occidentalis Greg de Nevers 1994-4-26 10521 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In headwaters of Franz Creek near Mountain House. 457 Comment
  CAS-BOT-BC91005  Calycanthus occidentalis Mrs. H. C. Cantelow 1934-4-29 485 Sonoma Dry Creek. Comment
  SD134013  Calycanthus occidentalis Greg de Nevers 1987-5-11 8180 Sonoma Pepperwood Rach Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 99 Comment
  UCSB15842  Calycanthus occidentalis 1962-6-6 Sonoma State Highway 128, 4.0 miles northwest of U.S. Highway 101 at Cloverdale 289 Comment
  CAS-BOT-BC91010  Calycanthus occidentalis A. T. Graff 1925-6-7 s.n. Sonoma Trospers. Comment
  SEINET8565825 Image available Calycanthus occidentalis S. L. G. 1892-1 2919 Sonoma Comment
  UC1134726  Calypso bulbosa E. Armstrong 1934-3-26 944 Sonoma 2 mi sw of Camp Meeker 121 Comment
  UC571414  Calypso bulbosa Jean Linsdale 1937-2-10 Sonoma Bodega Creek 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-BC33000  Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC224353  Calystegia subacaulis subsp. subacaulis J. W. Congdon 1880-6-13 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC498780  Camassia quamash subsp. linearis Peter Rubtzoff 1951-5-28 82 Sonoma Western branch of the Upper Marsh; at the edge of a ticket, on marshy ground; The Pitkin Marsh, near Forestville Comment
  RSA186553  Camissonia ovata Peter H. Raven 1963-4-28 18250 Sonoma Town of Bodega Bay Comment
  RSA186605  Camissonia strigulosa Peter H. Raven 1963-4-28 18246 Sonoma between town of Bodega and Bodega Head. Comment
  UC726605  Camissoniopsis cheiranthifolia subsp. cheiranthifolia A. A. Heller 1940-5-17 15626 Sonoma bluff n Bodega Bay Comment
  UC107658  Camissoniopsis hirtella Michener and Bioletti May 1892 Sonoma Comment
  CAS-BOT-BC266421  Campanula californica Peter Rubtzoff 1951-6-30 299 Sonoma The Pitkin Marsh near Forestville. W branch of the Upper Marsh Comment
  CAS-BOT-BC266423  Campanula californica Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  SEINET10463935  Campanula californica Robbins 1938-6-23 ROBBINS 269 Sonoma In march on Pitkin Ranch, Vine Hill region, about 10 miles west of Santa Rosa. Wet, boggy soil. Comment
  SEINET10840069  Campanula californica Baker 1928-6-28 Baker 30468 Sonoma Pitkin Marsh, Vine Hill District Comment
  UC764575  Campanula griffinii Robert F. Hoover 1941-6-7 5310 Sonoma two mi se Monte Rio (on road to Camp Meeker) Comment
  CAS-BOT-BC37195  Capsella bursa-pastoris Walter Knight; Irja Knight 1963-10-6 490 Sonoma Petaluma. Jess Street. Comment
  CAS-BOT-BC37754  Cardamine californica Dorothy Scherer 1996-4-8 024 Sonoma Kolmer Gulch, ca 500 feet west of Highway 1, Fort Rose State Historic Park. 1 Comment
  CDA18771  Cardamine californica Boris Korotyaev 2000-3-28 s.n. Sonoma Northern California; Bodega Bay. 0 Comment
  CAS-BOT-BC37766  Cardamine californica Walter Knight; Irja Knight 1964-2-16 806 Sonoma Sonoma Mountain Road near Enterprise Road. Comment
  SEINET8218124  Cardamine hirsuta Peter Rubtzoff 1957-5-4 3309 Sonoma Ducans Mills Marsh. Comment
  CAS-BOT-BC38028  Cardamine oligosperma Peter Rubtzoff 1957-5-4 3309 Sonoma Duncans Mills Marsh. At the border of the upper part of the marsh. 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
  CAS-BOT-BC38034  Cardamine oligosperma John Thomas Howell 1946-3-31 21589 Sonoma Sonoma. Comment
  POM144128  Cardamine oligosperma A. A. Heller, H. E. Brown 1902-3-14 5053 Sonoma Near Santa Rosa Comment
  UC727778  Cardamine oligosperma Milo S. Baker Apr. 1946 11309 Sonoma Brookside Garden near Kenwood; Brookside Garden near Kenwood Comment
  CAS-BOT-BC173834  Carduus Peter Rubtzoff 1962-6-1 4874 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC281764  Carduus pycnocephalus John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54683 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC334523  Carex abrupta Peter Rubtzoff 1957-5-4 3307 Sonoma Duncans Mills Marsh. Comment
  SEINET7546986  Carex albida J. T. Howell, J. W. Stacey 1937-1 Sonoma Comment
  CAS-BOT-BC18139  Carex athrostachya Peter Rubtzoff 1957-5-26 3361 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC18147  Carex athrostachya Peter Rubtzoff 1960-5-20 4395 Sonoma Laguna de Santa Rosa east of Graton (between Occidental and Guerneville roads). Comment
  UC590014  Carex athrostachya H. S. Yates 1936-5-16 5622 Sonoma near Green Valley School 91 Comment
  RSA0022355  Carex athrostachya Peter Rubtzoff 1970-6-14 6260 Sonoma On River Road about 3 miles W of Fulton. Comment
  CAS-BOT-BC19364  Carex barbarae John Thomas Howell; J. W. Stacey 1937-6-6 13023 Sonoma Sebastopol. Comment
  CAS-BOT-BC329309  Carex barbarae Peter Rubtzoff 1974-6-2 7524 Sonoma Upper Green Valley Marsh. Comment
  UCR249345  Carex barbarae Peter Rubtzoff 1958-5-4 3629 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC310302  Carex barbarae Peter Rubtzoff 1971-8-9 s.n. Sonoma Laguna Lake area, Cileno Valley. Comment
  RSA0023067  Carex barbarae Peter Rubtzoff 1958-5-10 3655 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  CAS-BOT-BC19569  Carex bolanderi Roxana S. Ferris; Laura Lorraine 1961-6-14 13539 Sonoma Joy Road grade, 1.8 mile from junction with Bodgea Highway. Comment
  CAS-BOT-BC34023  Carex brevicaulis Alice Eastwood; John Thomas Howell; J. W. Stacey 1937-5-31 4498 Sonoma 6.5 miles south of Gualala River. Sonoma coast. Comment
  CAS-BOT-BC34027  Carex brevicaulis John Thomas Howell 1938-7-3 13950 Sonoma Stony Point. Comment
  SEINET7552671 Image available Carex brevicaulis John Thomas Howell 1955-6-2 30258 Sonoma Near Vine Hill school Comment
  CAS-BOT-BC350934  Carex cusickii Peter Rubtzoff 1955-5-14 1839 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC18991  Carex densa James D. Jokerst 1985-4-26 2271 Sonoma Near Caldwell Ranch. Comment
  CAS-BOT-BC20483  Carex densa Peter Rubtzoff 1951-6-16 264 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC20487  Carex densa Peter Rubtzoff 1952-5-31 1106 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC20494  Carex densa Peter Rubtzoff 1960-6-9 4474 Sonoma Sonoma County Marshes. Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC20501  Carex densa Peter Rubtzoff 1974-6-2 7509 Sonoma Sonoma County Marshes. Upper Green Valley Marsh. Comment
  UCD140258  Carex densa Frederica Bowcutt 1994-5-1 1785 Sonoma Sugarloaf Ridge State Park. About 40 air miles north of San Francisco. About 11 air miles east of Santa Rosa. About 1.5 air miles north of Kenwood. About 18 air miles northwest of Napa. In main campground. Ca. 150 yards south of Sonoma Creek; 1/4 mile NW of confluence with Rattlesnake Creek at toe of Sugarloaf Ridge. 350 Comment
  UCD112449  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Stony Point Marsh. Comment
  RSA212189  Carex dudleyi L. S. Rose 1939-5-14 39117 Sonoma Bodega. 30 Comment
  UCSC000112  Carex dudleyi Coll. Klimansky 1934-4-30 s.n. Sonoma Llano road Comment
  UCR250036  Carex exsiccata Peter Rubtzoff 1955-9-9 2115 Sonoma Bodega Head Marsh 2 Comment
  CAS-BOT-BC329296  Carex exsiccata Peter Rubtzoff 1960-6-7 4451 Sonoma Austin Creek Marsh. Comment
  RSA0015631  Carex exsiccata Peter Rubtzoff 1958-5-17 3668 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Rd). Comment
  CAS-BOT-BC320586  Carex feta Peter Rubtzoff 1975-7-3 8147 Sonoma Kenwood Marsh. Comment
  UC1147821  Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh Comment
  SEINET7558582 Image available Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh. Comment
  UC856  Carex gracilior H. N. Bolander April 1864 3867 Sonoma Russian River Comment
  UCD112363  Carex gracilior Peter Rubtzoff 1954-7-5 1543 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC28370  Carex gracilior Peter Rubtzoff 1955-4-23 1779 Sonoma Bennett Mountain Lake. Comment
  RSA94276  Carex gracilior Peter Rubtzoff 1951-7-7 379 Sonoma Pitkin Marsh, near Forestville: Eastern branch of NE upper Marsh in partial shade on damp ground Comment
  UCR248716  Carex gynodynama Peter Rubtzoff 1962-5-11 4829 Sonoma Freestone Marsh 79 Comment
  RSA0022421  Carex gynodynama Peter Rubtzoff 1964-5-20 5317 Sonoma Brooks Gulch Marsh. Comment
  UC70632  Carex gynodynama J. Burtt Davy July 1896 Sonoma between Russian River Station and Guerneville (n side of river, in an overflow pool); Russian River Comment
  CAS-BOT-BC21900  Carex harfordii Lewis S. Rose 1962-6-1 62065 Sonoma 1 mile NW of Freestone. 76 Comment
  CAS-BOT-BC21909  Carex harfordii Peter Rubtzoff 1955-5-21 1867 Sonoma Forestville Marsh. North facing slope bordering the marsh in the south. Comment
  UC1133465  Carex harfordii H. S. Yates 1936-5-16 5622 Sonoma near Green Valley School; Sebastopol Quadrangle Comment
  CHSC114389  Carex hassei Peter Warner; Kara Doolin, Anthony Nelson 2010-6-28 168 Sonoma Lower Pitkin Marsh,--63m, N49 o E ofgate at Hwy. 116, just N of interior fence, in understory of perennialgrasses and herbs. UTM 10S: 511310E, 4256389N, T7N, R9W: Molinos. 39 Comment
  CAS-BOT-BC422373  Carex hendersonii Peter Rubtzoff 1957-6-28 3387 Sonoma Duncans Mills Marsh. Comment
  UC767128  Carex hendersonii Robert F. Hoover 1941-5-14 5099 Sonoma hills n Bodega Comment
  SEINET10551416 Image available Carex lacunarum A. Arthur Heller 1902-7-1 Heller 5797 Sonoma Lagoon at Sebastopol. Comment
  SEINET1783034  Carex lacunarum A. A. Heller 1902-7-1 5797 Sonoma At Sebastopol. Comment
  CAS-BOT-BC311823  Carex lasiocarpa Peter Rubtzoff 1962-4-11 4794 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC31175  Carex lemmonii R. F. Hoover 1939-5-30 4111 Sonoma Perry's Ranch near Sebastopol. Comment
  UC1026419  Carex lemmonii Peter Rubtzoff 1951-7-8 403 Sonoma near Forestville (Pitkin Marsh, lower part of the upper marsh) Comment
  OBI22652  Carex lemmonii Robert F. Hoover 1939-5-30 4111 Sonoma Perry's "Twin Pines Ranch" near Sebastopol Comment
  RSA169300  Carex leptopoda L. S. Rose 1964-6-3 64051 Sonoma N end of Bodega Bay. 2 Comment
  CAS-BOT-BC119307  Carex obnupta John Thomas Howell; J. W. Stacey 1936-7-26 12676 Sonoma Pitkin Marsh, 5 mi N of Sebastopol. Comment
  CAS-BOT-BC119314  Carex obnupta Peter Rubtzoff 1951-8-4 582 Sonoma Pitkin Marsh, near Forestville. S of the Upper Marsh. Comment
  UC1100482  Carex obnupta Malcolm A. Nobs and S. Galen Smith 1949-8-1 1111 Sonoma 2 mi e Stewart's Point (on road to Geyserville) Comment
  CAS-BOT-BC119318  Carex obnupta LeRoy Abrams 1920-7-3 7606 Sonoma Gualala River near Mendocino-Sonoma Co. Line. Comment
  CAS-BOT-BC119282  Carex ovalis Peter Rubtzoff 1958-6-1 3702 Sonoma Laguna de Santa Rosa E of Cunningham near Llano Road. Comment
  CAS-BOT-BC320468  Carex pachystachya Peter Rubtzoff 1964-5-20 5316 Sonoma Brooks Gulch Marsh. Comment
  UC826685  Carex pellita John Thomas Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC118329  Carex praegracilis John Thomas Howell 1947-6-26 23295 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC331479  Carex rostrata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville. Comment
  UCR248948  Carex serratodens Peter Rubtzoff 1974-6-9 7586 Sonoma Upper Green Valley Marsh Comment
  SEINET10847110  Carex subbracteata Lewis S. Rose 1939-5-14 Rose 39116 Sonoma Bodega. Wet fields. 30 Comment
  RSA758138  Carex subfusca Peter Rubtzoff 1976-5-30 8566 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC115531  Carex tumulicola John Thomas Howell 1947-6-5 23239 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC329288  Carex tumulicola Peter Rubtzoff 1960-5-16 4345 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC281917  Carthamus lanatus B. Crampton 1957-7-22 4356 Sonoma 15.2 miles W of Skagg's Springs on road to Stewart's Point Comment
  JEPS31995  Castilleja Helen K. Sharsmith 1962-5-25 5480 Sonoma along road from Freestone to Occidental Comment
  JEPS3864  Castilleja W. I. Follett 1937-5-9 67 Sonoma 9 mi se Bodega Bay Comment
  UC353895  Castilleja affinis subsp. affinis Milo S. Baker 1927-5-7 2125 a Sonoma Fitzsimmons Grade to Adobe Canyon Comment
  JEPS66220  Castilleja ambigua subsp. ambigua T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6901 Sonoma Pitkin Marsh Comment
  UC103161  Castilleja ambigua subsp. ambigua J. W. Congdon 1889-8 Sonoma Petaluma Comment
  UC535060  Castilleja densiflora subsp. densiflora H. E. and S. T. Parks 1930-5-7 632 Sonoma n end Knight's Valley 106 Comment
  UC596655  Castilleja foliolosa Rensselaer J. Smith Jul 1904 Sonoma Highland Comment
  UCD122530  Castilleja foliolosa Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 64 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 259 Comment
  CAS-BOT-BC243856  Castilleja latifolia John Thomas Howell 1934-3-3 11735 Sonoma Bodega Bay Comment
  JEPS66231  Castilleja miniata subsp. miniata T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6903 Sonoma about south-central Pitkin Marsh (near end of Templeton Road); , about south-central Comment
Read comments
Oct 15 2010
  JEPS10644  Castilleja rubicundula subsp. lithospermoides W. L. Jepson 1921-6-3 9312 Sonoma Cotati Valley 28 Comment
  JEPS3672  Castilleja subinclusa subsp. franciscana C. R. Bell 1951-4-29 1103 Sonoma near Bodega; Larkspur Rock Comment
  JEPS35571  Castilleja wightii L. R. Heckard 1964-6-12 1383 Sonoma about 2 mi n Russian River (ravine off Calif Hwy 1, near the point where this road descends into Russian Gulch); Russian Gulch Comment
  JEPS60458  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-30 6697 Sonoma 6.5 mi s Gualala (on Highway 1) Comment
  SD64442  Castilleja wightii Noel H. Holmgren, James L. Reveal 1966-6-6 2650 Sonoma California 1, 2 miles south of California 116 junction, roadbank away from salt spray Comment
  UCSB5988  Castilleja wightii Keator, Glenn 1958-6-17 Sonoma Near the northern end of Tomales Bay Comment
  CAS-BOT-BC39435  Caulanthus lasiophyllus C. F. Baker 1903-4-20 2629 Sonoma Mount Helena. Comment
  UC1071513  Ceanothus C. M. Belshaw 1936-3-8 1583 Sonoma .75 mi n. Annadel (nw of Kenwood); Santa Rosa Quad. Comment
  UCD168053  Ceanothus James Neilson 1978-6-9 3963 Sonoma Mayacmas Mountains, Shell Well Site E. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  CAS-BOT-BC48514  Ceanothus confusus Alice Eastwood 1923-5-9 11749 Sonoma Mt. St. Helena 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
  UC634561  Ceanothus confusus H. L. Mason 1934-4-28 8072 Sonoma Jensen's Ranch, at head of Dohrmans Creek Comment
  UC80038  Ceanothus confusus Katharine Brandegee 1889-4 74 Sonoma Mt. St. Helena Comment
  RSA0005479  Ceanothus confusus J. T. Howell 1937-7-4 13080 Sonoma Rincon Ridge, northeast of Santa Rosa. Comment
  RSA114009  Ceanothus divergens subsp. confusus Milo S. Baker 1939-3-20 9244 Sonoma Top of hill 4 miles N of Santa Rosa on road past County Hospital Comment
  RSA339399  Ceanothus divergens subsp. confusus Roger Raiche 1985-4-6 50178 Sonoma Dry Creek area near Healdsburg, ridge W of Dry Creek Valley, unamed road N of Dorman Canyon on ridge. 244 Comment
  SEINET12210606  Ceanothus foliosus W. Knight, Knight, I. 1981-1 3978 Sonoma 5.8 mi up Cavedale Road from jct of state rt.12 Comment
  CAS-BOT-BC49904  Ceanothus foliosus var. foliosus Walter Knight; Irja Knight 1963-9-1 141 Sonoma Pine Mt. Rd. - N.E. of Cloverdale, Harold Smith Ranch Comment
  CAS-BOT-BC49913  Ceanothus foliosus var. foliosus D. E. Breedlove 1983-4-11 58671 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD112581  Ceanothus foliosus var. foliosus Christopher Mallek 2008-5-2 s.n. Sonoma Hooker Canyon. 590 Comment
  JEPS49157  Ceanothus foliosus var. vineatus Robert Anderson 1967-4-9 Sonoma e Forestville (Vine Hill district); Vine Hill district 60 Comment
  RSA107848  Ceanothus foliosus var. vineatus L. S. Rose 1955-6-2 s.n. Sonoma Junction of Vine Hill and School Roads, 10 miles west of Santa Rosa. 46 Comment
  CAS-BOT-BC49998  Ceanothus gloriosus Milo S. Baker 1935-4-1 8028 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50006  Ceanothus gloriosus John Thomas Howell 1935-5-5 12621 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC49945  Ceanothus gloriosus var. exaltatus John Thomas Howell 1935-5-5 12623 Sonoma Kenwood Comment
  SBBG27258  Ceanothus gloriosus var. exaltatus C. B. Wolf 1941-7-30 4389 Sonoma 8.5 mi S of Stewart's Pt, at entrance to Salt Pt Ranch 30 Comment
  UC604114  Ceanothus gloriosus var. exaltatus Leo Koch 1938-5-26 164 Sonoma transplanted from Vine Hill near type locality Santa Rosa (Junior College). Comment
  CAS-BOT-BC63735  Ceanothus griseus Dorothy Scherer 1996-3-16 002 Sonoma Winderemere Point, Fort Ross State Historic Park. 24 Comment
  CHSC59346  Ceanothus incanus Frederic Hrusa 1989-1-24 5802 Sonoma In moist draws along Ida Clayton Rd. on N slope of Mt. St. Helena. Comment
  CAS-BOT-BC50953  Ceanothus integerrimus Brandegee 1890-5-1 22 Sonoma Geysers Comment
  UCD170335  Ceanothus integerrimus D. O. Burge 2016-11-3 2194 Sonoma Mount Saint Helena, roadside on Ida Clayton Road, S of summit intersection with Western Mine Road. 800 Comment
  CAS-BOT-BC50720  Ceanothus integerrimus var. macrothyrsus Helen D. Geis 1902-1-1 s.n. Sonoma unspecified Comment
  CAS-BOT-BC50648  Ceanothus jepsonii Robert F. Thorne 1965-4-19 34282 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental 182 Comment
  RSA181444  Ceanothus jepsonii James I. McMurphy 1909-5-29 s.n. Sonoma Grade, ridge S of the Geysers. Comment
  UC338137  Ceanothus jepsonii Hy. Edwards May 1877 115 Sonoma Knights Valley Comment
  UC870590  Ceanothus jepsonii Alice Eastwood and John Thomas Howell 1939-4-2 7377 Sonoma near Camp Meeker (on rd to Monte Rio) Comment
  UCD112062  Ceanothus jepsonii R. H. Neuns 1950-5-5 104 Sonoma 2 1/2 miles west of Mercuryville. 914 Comment
  SEINET12211130  Ceanothus jepsonii var. albiflorus Unknown 1985-1 50182 Sonoma Dry Cr. area nr Healdsburg, ridge W of Dry Cr Valley, unnamed road n of Dorman Cyn 244 Comment
  CAS-BOT-BC51880  Ceanothus parryi Lester Rowntree 1933-6-5 s.n. Sonoma Occidental Comment
  CAS-BOT-BC51889  Ceanothus parryi A. A. Heller; H. E. Brown 1902-5-29 5620 Sonoma Mt. Hood Comment
  UCD112489  Ceanothus parryi B. Crampton 1955-6-17 2932 Sonoma State Hwy. 12, 3.3 miles west of Forestville. Comment
  CAS-BOT-BC53047  Ceanothus sonomensis A. A. Heller 1902-6-26 5765 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  UCD112701  Ceanothus sonomensis Roman Gankin 1966-3-3 689 Sonoma On south-facing slope in Hooker Canyon, below Cavedale Road, 3.1 miles east of junction with State Highway 12. Comment
  CAS-BOT-BC53039  Ceanothus sonomensis Milo S. Baker 1927-3-5 2011 a Sonoma South slope of Hood Mt. on Macertney Ranch 213 Comment
  OBI10345  Ceanothus sonomensis H. E. McMinn 1941-4-27 5324 Sonoma Triniti rd, Mt. Hood Range Comment
  SBBG4507  Ceanothus sonomensis M. Van Rensselaer 1941-4-27 1638 Sonoma Mt Hood Range, between Valley of the Moon and Napa Valley on Trinity Rd just above rock quarry Comment
  SEINET12210980  Ceanothus sonomensis W. Knight, Knight, I.; Howell, J. T. 1984-1 5076 Sonoma Cavedale Road., near Macnab cypresses 640 Comment
  UC1071400  Ceanothus thyrsiflorus E. Armstrong 1934-3-26 951 Sonoma Camp Meeker Sebastopol quad 121 Comment
  CAS-BOT-BC277019  Centaurea iberica Greg de Nevers 1992-6-16 10167 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  CDA29726  Centaurea iberica Robin Breckenridge, S. Ostrom 2009-7-9 PDR# 1538286 Sonoma In the vicinity of Calistoga, off of Highway 128. 0 Comment
  CAS-BOT-BC277156  Centaurea melitensis G. DeNevers 1981-6-6 1459 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC277162  Centaurea melitensis Mary P. Wells 1984-5-24 292 Sonoma Annadel State Park, Santa Rosa 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-BC288817  Centromadia fitchii Helen D. Geis 1902-1-1 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC288811  Centromadia fitchii Milo S. Baker 1930-6-1 4167 a Sonoma Foppiano's Ranch, must N of his subdivision, near Healdsburg Comment
  CAS-BOT-BC251266  Cerastium Peter Rubtzoff 1959-6-20 4186 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC384973  Cerastium arvense Alice Eastwood 1915-6-29 4812 Sonoma Bodega Point Comment
  UC1299489  Cerastium arvense Freed W. Hoffman 1950-5-15 3730 Sonoma Pole Mt. near Cazadero; North Coast Ranges, Pole Mt. Comment
  UCD98054  Cerastium glomeratum Caitlin Lewis; William Mutch 1993-4-17 s.n. Sonoma about 40 air miles N of San francisco, 11 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. In Adobe Canyon, N of Sugarloaf Ridge and S of Red Mtn. 1 mile. Near visiter center. 365 Comment
  CAS-BOT-BC400224  Ceratophyllum demersum Greg de Nevers 1996-10-18 10888 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In Biggest Double Pond 487 Comment
  POM121523  Ceratophyllum demersum Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC400231  Ceratophyllum demersum Peter Rubtzoff 1971-9-30 6711 Sonoma Near U.C. Bodega Marine Laboratory Comment
  CAS-BOT-BC207634  Cercis occidentalis James McMurphy 1909-5-29 s.n. Sonoma Grade between Black Mountain and Geyser Mountain Comment
  POM140923  Cercocarpus betuloides A. A. Heller, H. E. Brown 1902-3-25 5147 Sonoma Near Mark West Springs Comment
  UCD162158  Cercocarpus betuloides D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1512 Sonoma Hooker Creek watershed. 450 Comment
  CAS-BOT-BC135416  Cercocarpus betuloides var. betuloides G. De Nevers 1981-3-31 586 Sonoma Along Hansel's Creek, 100 m S of the Garrison Gate, Pepperwood Ranch Comment
  UC518989  Cercocarpus betuloides var. betuloides J. Clausen 1933-3-25 734 Sonoma Santa Rosa Creek Canyon 182 Comment
  JEPS26636  Chamaemelum fuscatum R. Bacigalupi 1948-4-4 2870 Sonoma ca 2 mi s of Asti (along U.S. 101) Comment
  CAS-BOT-BC279784  Chamaemelum fuscatum John H. Thomas 1966-3-18 11481 Sonoma Edge of vineyard at Italian Swiss Colony vineyard at Asti Comment
  CAS-BOT-BC68222  Cheilanthes gracillima James Jokerst 1985-5-29 2391 Sonoma Whispering Pines Quad. near Cobb Mountain 1126 Comment
Read comments
Jan 26 2018
  UCD137339  Cheilanthes intertexta Frederica Bowcutt 1994-6-24 1897 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. Vista Trail about 1/2 way from Bald Mountain Trail to Headwaters Trail. 566 Comment
  CAS-BOT-BC166671  Chenopodium Peter Rubtzoff 1971-8-9 6639 Sonoma Laguna, Chileno Valley. Comment
  UCD164598  Chenopodium Peter Rubtzoff 1975-9-7 8370 Sonoma South side of American River in the vicinity (west) of Watt Ave. bridge. 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
  CAS-BOT-BC191511  Chorizanthe cuspidata var. villosa W. P. Vestal; A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head Comment
  HSC17260  Chorizanthe cuspidata var. villosa L. S. Rose 1962-8-6 62077 Sonoma Bodega Point 30 Comment
  SBBG32386  Chorizanthe cuspidata var. villosa L. S. Rose -Aug-1962 62077 Sonoma Bodega Pt 30 Comment
  CAS-BOT-BC257010  Chorizanthe membranacea H. N. Bolander 1860-1-1 3959 Sonoma At the geysers Comment
  UCD110108  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  CAS-BOT-BC176186  Cichorium intybus Peter Rubtzoff 1955-9-10 2128 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC176198  Cichorium intybus Peter Rubtzoff 1961-9-6 4727 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  UCR249331  Cirsium Peter Rubtzoff 1962-6-13 4899 Sonoma Freestone Marsh 79 Comment
  RSA0015628  Cirsium brevistylum Peter Rubtzoff 1964-5-20 5313 Sonoma Brooks Gulch Marsh. Comment
  SEINET10615512 Image available Cirsium douglasii var. canescens A. Arthur Heller 1902-7-2 Heller 5804 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC280003  Cirsium douglasii var. douglasii R. F. Hoover 1966-7-17 9914 Sonoma Sausal Creek north of Alexander Valley Comment
  CDA18867  Cirsium douglasii var. douglasii R. Breckenridge 1999-6-14 PDR 909431 Sonoma North Coast Ranges; Hwy 1, near Salmon Creek Beach, Salmon Creek/ Bodega. 0 Comment
  CAS-BOT-BC285704  Cirsium occidentale var. occidentale Joanne Taylor 1941-7-13 13 Sonoma Bodega Head 30 Comment
  CAS-BOT-BC285708  Cirsium occidentale var. occidentale Walter Knight; Irja Knight 1963-8-13 163 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC290636  Cirsium occidentale var. occidentale Peter Rubtzoff 1958-7-26 3801 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD160912  Cirsium occidentale var. venustum James A. Neilson Jr. 1975-7-8 3417 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  CAS-BOT-BC280541  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  CAS-BOT-BC285898  Cirsium vulgare John Thomas Howell 1930-6-8 5286 Sonoma 8.5 miles n. of Bodega Bay Comment
  RSA594919  Clarkia John H. Thomas 1955-5-22 5182 Sonoma Along St. Helena Road and West Creek, 1.2 miles W of Sonoma - Napa County line, 6 miles from St. Helena 457 Comment
  UC107819  Clarkia amoena subsp. amoena Katharine Brandegee 1905-6-26 Sonoma Bodega Bay Comment
  CAS-BOT-BC161048  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1938-7-6 6085 Sonoma Alder Glen Springs Comment
  UC1143221  Clarkia amoena subsp. huntiana H. and M. Lewis 1951-7-10 870 Sonoma 0.1 mi w Mark West Springs Comment
  CAS-BOT-BC172207  Clarkia concinna Rimo Bacigalupi 1926-5-2 1397 Sonoma Cazadero Comment
  CAS-BOT-BC172214  Clarkia concinna D. E. Breedlove 1962-6-6 2893 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  UCR265106  Clarkia concinna Ann Howald 2015-4-1 3338 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 19.2 miles west of intersection with Rockpile Rd, Wheatfield Fork of Gualala River drainage 132 Comment
  LA206049  Clarkia concinna H. Lewis; 1951-7-10 868 Sonoma 0.7 mi W of Mark West Spring Comment
  SEINET10492115  Clarkia concinna Tim Holtsford 1992-5-23 Holtsford 920523 -3 Sonoma Mark west springs rd, 0.1 mi w of ursuline rd, at milepost "ldtr 362+00." W- Facing slope with oaks, rhus, heracleum. Clarkia unguiculata is sympatric. Comment
  SEINET6165015 Image available Clarkia concinna Unknown 1981-5-18 s.n. Sonoma Pine Mountain turnoff, Ida Clayton Rd. 914 Comment
  UCD104043  Clarkia davyi Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 30 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC163145  Clarkia gracilis subsp. sonomensis Blanche Clear 1938-5-28 s.n. Sonoma Geyserville toward Alexander Valley Comment
  JEPS128316  Clarkia gracilis subsp. sonomensis Roger Raiche 2000-5-27 107 .00 Sonoma The Cedars, road into The Cedars at 2nd crossing or Otis Crossing. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS43826  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 18 Sonoma 1/2 mi e Glen Ellen 30 Comment
  RSA60765  Clarkia gracilis subsp. sonomensis A. A. Heller 1902-6-10 5682 Sonoma Santa Rosa Comment
  UC373496  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 17 Sonoma 1/2 mi e Glen Ellen; ; E of Glen Ellen, Sonoma Co. 30 Comment
  UC373513  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 21 Sonoma 5 1/2 mi s Santa Rosa (Sonoma - Santa Rosa Highway) 32 Comment
  UC423077  Clarkia gracilis subsp. sonomensis Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  UC930766  Clarkia gracilis subsp. sonomensis Alice Eastwood 1915-6-5 4592 Sonoma Petrified Forest Comment
  CAS-BOT-BC163140  Clarkia gracilis subsp. sonomensis G. DeNevers 1981-6-4 1436 Sonoma On the roadcut by the buckeye tree S of the Garrison Gate Comment
  POM153237  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 19 Sonoma Sonoma to Santa Rosa Highway, 0.5 mile south of junction with road to Glen Ellen. 30 Comment
  CAS-BOT-BC163149  Clarkia imbricata Peter Rubtzoff 1952-7-20 1308 Sonoma Pitkin Ranch, Nine Hill region Comment
  CAS-BOT-BC32947  Clarkia imbricata Frank Harlan Lewis; Lewis, M. 1951-7-10 865 Sonoma Santa Rosa to Guerneville, 6230 Vine Hill Road Comment
  RSA0007460  Clarkia imbricata Milo S. Baker 1928-6-28 3195 Sonoma Pitkin Ranch between house and Pitkin marsh Comment
  JEPS28104  Claytonia exigua subsp. exigua Roxana S. Ferris 1962-4-14 13585 Sonoma ca .12 mi beyond Sonoma County dump Comment
  SDSU9780  Claytonia exigua subsp. exigua D. F. Howe 1963-5-23 3532 Sonoma 4 miles north of Cloverdale on #128. 335 Comment
  RSA177960  Claytonia exigua subsp. exigua R. F. Thorne 1965-4-20 34379 Sonoma ca. 3/4 mi.; Charles Newman s place up Los Alamos Rd., on Rincon Ridge. 396 Comment
  RSA614440  Claytonia gypsophiloides K. L. Chambers 1978-4-29 4466 -A Sonoma Hwy. 128, the Cloversale to Ft. Bragg road, 3.8 mi. W of its junction with Hwy. 101 at Cloversale. Crumbling roadside banks of serpentine soil. Comment
  UCD100671  Claytonia parviflora subsp. parviflora Jennifer Bury; Peggy Herzog 1993-5-8 291 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 396 Comment
  CAS-BOT-BC439638  Claytonia parviflora subsp. parviflora Carl Meyer 1929-3-29 s.n. Sonoma Unspecified Comment
  JEPS117129  Claytonia perfoliata Peter Warner 2010-3-29 122 Sonoma 1670 Bloomfield Road, approx. 3 km S of center Sebastopol Comment
  CAS-BOT-BC443869  Claytonia sibirica Dorothy Scherer 1996-3-25 015 Sonoma Kolmer Gulch, west of Hwy 1 ca 250', Fort Ross State Historic Park 1 Comment
  CAS-BOT-BC92747  Clematis ligusticifolia Peter Rubtzoff 1962-9-16 5087 Sonoma Vacation Beach, 1.5 mile below Guerneville. Along Russian River. Comment
  CAS-BOT-BC92743  Clematis ligusticifolia Volney Rattan 1884-6-1 s.n. Sonoma Russian River. Comment
  RSA377070  Clintonia andrewsiana Christopher Davidson 1977-6-20 6033 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  UCD13250  Clintonia andrewsiana Neil Miller 1973-5-26 89 Sonoma Along Stewarts Point Rc., 4 miles east of Stewarts Point. 152 Comment
  CHSC43170  Collinsia grandiflora Jeffrey D. Prouty 1979-4-11 223 Sonoma Ca. 7 mi n of Santa Rosa. Grassy slope ca. 100 yds w of Mark West Springs Rd. ca. 300 yds n of jctn. with Michelle Way. 164 Comment
  SEINET12329976  Collinsia heterophylla F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -206 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 440 Comment
  JEPS3847  Collinsia sparsiflora var. arvensis Eleanor Armstrong 1933-4-1 664 Sonoma near Camp Meeka 30 Comment
  UC672477  Collinsia sparsiflora var. arvensis H. L. Mason 1928-4-8 4298 Sonoma fields near Sebastopol Comment
  UC1238965  Collinsia sparsiflora var. arvensis Freed W. Hoffman 1947-3-16 828 Sonoma near Guerneville (Road to Austin Ranch, headwaters of Fife Creek, North Coast Ranges); North Coast Ranges, headwaters of Fife Creek Comment
  UCR30587  Collomia diversifolia John C. Roos 1950-7-22 4873 Sonoma North Coast Range, 2 miles east of Duncan Mills 61 Comment
  UC1299534  Collomia heterophylla Freed W. Hoffman 1947-6-4 596 Sonoma Mill Creek Road to East Austin Creek; North Coast Ranges Comment
  SEINET12337433  Collomia heterophylla W. Knight, Knight, I.; Knight, T. 1985-1 5147 Sonoma Comment
  CAS-BOT-BC286004  Conyza bonariensis Walter Knight; Irja Knight 1963-9-1 215 Sonoma Magnolia Ave., Petaluma Comment
  SBBG33944  Cordylanthus pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge, E of Santa Rosa 91 Comment
  JEPS6815  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1939-9-12 19481 Sonoma 1 mi w summit (w side of mt., w of St. Helena); Spring Mountain Comment
  CAS-BOT-BC238227  Cordylanthus tenuis subsp. brunneus Francis W. Pennell 1940-7-3 26044 Sonoma Hoods Peak, n.e. of Kenwood 731 Comment
  UCD151308  Cordylanthus tenuis subsp. brunneus James A. Neilson Jr. 1974-7-31 2862 Sonoma Mayacmas Mountains. Little Geysers area, 1/4 mile north of hot springs. (Elevation estimated by label-maker using topo map.) 731 Comment
  CAS-BOT-BC238234  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1955-7-11 55110 Sonoma 2 mi. e. of Occidental 243 Comment
  JEPS27994  Cordylanthus tenuis subsp. capillaris Rimo Bacigalupi with L. R. Heckard 1961-6-9 7747 Sonoma ca. 0.75 ni nw Occidental School (along Stoetz Lane, ca. 1/2 mi nw of its junction with Harrison Grade road) 228 Comment
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Jul 27 2009
  RSA537698  Cordylanthus tenuis subsp. capillaris T. I. Chuang 1975-7-5 7520 Sonoma Stoetz Lane, about 3/4 mile west of Harris [Harrison] Grade Road, north of Occidental Comment
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Jan 12 2013
  POM132437  Cornus occidentalis A. A. Heller 1902-7-1 5796 Sonoma Lagoon at Sebastopol Comment
  CAS-BOT-BC210430  Cornus sericea G. DeNevers 1981-4-25 869 Sonoma Pepperwood Ranch. Mark West Creek and Leslie Creek Comment
  UCD110060  Corylus cornuta subsp. californica Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1767 Sonoma Sugarloaf Ridge State Park. About 40 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 NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  CAS-BOT-BC290301  Cotula coronopifolia Greg de Nevers; Frank Almeda 1987-4-11 8151 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC173589  Cotula coronopifolia Peter Rubtzoff 1959-6-6 4091 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC173671  Cotula coronopifolia Peter Rubtzoff 1959-6-6 4101 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC173677  Cotula coronopifolia Peter Rubtzoff 1962-10-9 5106 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC210150  Cotula coronopifolia Peter Rubtzoff 1954-8-13 1718 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC376256  Crassula Greg de Nevers 1995-5-5 10720 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Weimar Flat roadbed vernal pools 487 Comment
  CAS-BOT-BC427643  Crassula aquatica H. K. Wagnon 1989-5-23 1956 Sonoma Spring Lake Park and environs. Adjacent to Montgomery Drive. Adjacent to Spring Creek diversion channel 67 Comment
  UCD101836  Crassula connata Mary M. Hektner 1976-4-3 233 Sonoma gravelled parking lot at access to Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 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
  SD206990  Crassula solieri Reid Moran 1991-5-14 Sonoma Sonoma Valley Regional Park; E of Glen Ellen, Highway 12, 0.3 miles southeast of intersection with Arnold Drive. 99 Comment
  CAS-BOT-BC143506  Crataegus gaylussacia Peter Rubtzoff 1959-5-30 4062 Sonoma Freestone Marsh Comment
  POM141059  Crataegus suksdorfii A. A. Heller 1902-8-20 6052 Sonoma Lagoon at Scbastopol Comment
  SBBG32322  Croton setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 mi NE of Penngrove 426 Comment
  UC1561763  Crupina vulgaris Nancy Harrison 1990-5-19 Sonoma Junction of Spring Creek Trail with paved trail across dam; Annadel State Park Comment
  CDA36048  Crupina vulgaris CDFA Staff Sep 1976 Sonoma Santa Rosa. 0 Comment
  CDA4464  Crupina vulgaris H. K. Wagnon, J. T. Vale 1989-6-3 1896 Sonoma Anradel State Park, Santa Rosa. 0 Comment
  CAS-BOT-BC190150  Crypsis schoenoides Peter Rubtzoff 1962-9-16 5085 Sonoma Vacation Beach, 2 miles below Guerneville. On Russian River bottom. Comment
  SEINET11687825  Crypsis schoenoides W. Knight, Knight, I.; Knight, T. 1986-1 5519 Sonoma Old Adobe Road toward E Washington St, 0.5 mi from the old adobe Comment
  SEINET7067255  Cryptantha A. G. Vestal 1947-5-13 s.n. Sonoma About 1.3 miles north of Salomon Creek. Coordinate datum: NAD27. UTM 10, 647035mE, 3964854mN. Comment
  UC598646  Cryptantha flaccida John Bright 1936-5-2 13106 Sonoma Healdsburg Comment
  UCD110844  Cupressus macnabiana Christopher Mallek 2008-1 s.n. Sonoma Hooker Canyon. 590 Comment
  NY16704  Cupressus macnabiana C. B. Wolf 1934-10-18 6198 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC80799  Cupressus macrocarpa John H. Thomas 1976-6-15 18283 Sonoma Southern end of Sea Ranch, northwestern part of country, about 7 miles south of Gualala. Coastal bluffs. 30 Comment
  CDA908  Cupressus sargentii D. G. Kelch 2006-1-24 6 .323 Sonoma Occidental. Harrison Grade Rd., serpentine. Comment
  UC567067  Cupressus sargentii Mason 1932-7-19 123 Sonoma 3/5 mi nw Los Alamos School; Santa Rosa Quadrangle 571 Comment
  UC583388  Cupressus sargentii Elmer I. Applegate 1934-3-25 8859 Sonoma w slope Mayacama Mts.; , Pine Flat Region Comment
  CAS-BOT-BC85462  Cupressus sargentii Milo Samuel Baker 1929-1-2 3383 c Sonoma 3 mi. N. West Coopers, Mill Cr. Comment
  NY16824  Cupressus sargentii C. B. Wolf 1934-10-13 6183 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD125761  Cuscuta californica var. californica Frederica Bowcutt 1997-7-19 2193 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.75 air miles S of Red Mountain, 0.5 miles NNW of confluence of the Malmf., 1.0 air miles WSW of Brushy Peaks. 457 Comment
  CAS-BOT-BC166912  Cuscuta howelliana Peter Rubtzoff; Nancy Harrison 1976-6-18 8648 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC190348  Cynodon dactylon G. DeNevers 1981-6-20 1652 A Sonoma Pepperwood Ranch. In gutter along Franz Valley Road, north side of main hill bottom of Hill. Comment
  UCR248761  Cynodon dactylon Peter Rubtzoff 1971-8-23 6658 Sonoma Meacham Road, 0.35 miles south of Stony Point Road 75 Comment
  RSA94465  Cynodon dactylon Peter Rubtzoff 1951-7-21 504 Sonoma Pitkin Marsh near Forestville; area between the Upper and the Lower marshes Comment
  HSC3650  Cynoglossum grande R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1337 Sonoma Near the Big Geysers Comment
  UCSB28101  Cynoglossum grande Phelps, M. 1972-2-18 Sonoma 1000 yds. west of Old Bale Mill Historic Landmark, St. Helena 365 Comment
  SDSU983  Cynosurus cristatus D. F. Howe 1963-7-3 3588 Sonoma 20 miles north of junction with #12 on #1 Comment
  CAS-BOT-BC190430  Cynosurus echinatus G. DeNevers; M. Harding 1981-7-11 1757 Sonoma Pepperwood Ranch. In Garrison Canyon. Comment
  SD56797  Cynosurus echinatus D. F. Howe 1963-5-23 3527 Sonoma 3.8 miles north of Cloverdale on #128 334 Comment
  SD88320  Cynosurus echinatus D. F. Howe 1972-6-28 Sonoma 4.5 miles north of Jenner 121 Comment
  UCD60152  Cynosurus echinatus Frederica Bowcutt 1984-6-23 445 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg on the Sonoma County coast. West of Highway 1, approx. 1/3 mile north of Gerstle Cove. 15 Comment
  UCR248900  Cynosurus echinatus Peter Rubtzoff 1972-5-25 6765 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  UCSC000023  Cynosurus echinatus F. W. Hoffman 1941-6-3 s.n. Sonoma Roadside, near Guerneville Comment
  UC837657  Cyperus eragrostis Milo S. Baker 1937-9-29 6037 Sonoma 4 mi. s.e. Sonoma (on Vineburg-Napa rd.) Comment
  CAS-BOT-BC435190  Cypselea humifusa Peter Rubtzoff 1966-8-3 5780 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC70723  Cystopteris fragilis D. E. Breedlove 1980-6-28 44814 Sonoma Pepperwood Ranch W of Knights Valley Comment
  SEINET9320073  Cytisus striatus John Nelson, Wnek, R. 2000-3-8 20949 Sonoma Along narrow stream edge w/ Umbellularia californica; W side of Guerneville just E of Fern Grove cabins on N side of River Rd (hwy 116) AC Moore Herbarium (USCH) Univ of S. Carolina Comment
  UC1100154  Damasonium californicum Herbert L. Mason 1928-4-13 4325 Sonoma near Petaluma Petaluma Comment
  CAS-BOT-BC192265  Danthonia californica L. R. Abrams 1918-4-27 6918 Sonoma Independence School near Healdsburg Comment
  CAS-BOT-BC192269  Danthonia californica Peter Rubtzoff 1951-6-17 267 Sonoma Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC192274  Danthonia californica G. DeNevers 1982-5-2 1979 Sonoma At the Garrison Canyon. Pepperwood Ranch Comment
  CAS-BOT-BC192278  Danthonia californica John Thomas Howell 1930-6-8 5217 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CAS-BOT-BC210134  Danthonia californica Peter Rubtzoff 1958-5-10 3642 Sonoma Laguna de Santa Rosa east of Cunningham, near the Llano road crossing. Comment
  SBBG117242  Danthonia californica B. Crampton 1965-5-13 7339 Sonoma ca. 8.5 mi SE of Geyserville, S end of Alexander Valley. Jct of Calistoga (St Hwy 128) and Chalk Hill Rds Comment
  UCD60467  Danthonia californica P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified Forest Road. Comment
  UCD61014  Danthonia californica R. Tofsrud 1948-5-9 Sonoma Old Santa Rosa cemetery, Santa Rosa. Comment
  UCD32895  Danthonia californica var. americana Beecher Crampton 1965-5-13 7339 Sonoma Sonoma County, ca. 8.5 miles S.E. of Geyserville, south end of Alexander Valley, jct. of Calistoga (hwy. 128) and Chalk Hill roads. Comment
  UCD37939  Danthonia californica var. americana Beecher Crampton 1962-5-8 6411 Sonoma Sonoma County, 5 miles south of Geyserville. Comment
  UCD60685  Danthonia californica var. americana P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UCR141956  Danthonia californica var. americana Beecher Crampton 1967-5-15 7935 Sonoma Coast Range, 14 miles NW of Calistoga on Hwy. 128 near Chalk Hill Road 122 Comment
  UCR152279  Danthonia californica var. americana Beecher Crampton 1965-5-13 7339 Sonoma c. 8.5 mi SE of Geyersville, S end of Alexander Valley, jct. of Calistoga (hwy 128) and Chalk Hill roads 85 Comment
  CAS-BOT-BC154983  Datura Peter Rubtzoff 1969-8-14 6131 Sonoma Along Salmon Creek, ca. 0.5 mi. upstream from Highway #1. Comment
  UCD126531  Datura stramonium J. M. Tucker; C. H. Lamoureux 1958-6-8 3406 Sonoma 0.6 mile north of junction of Vine Hill Road and Guerneville Road (around 9 miles west of Santa Rosa). Comment
  CAS-BOT-BC293809  Deinandra corymbosa James I. McMurphy 1910-6-7 s.n. Sonoma Between Napa Junction and Petaluma Comment
  RSA800286  Deinandra corymbosa Peter Rubtzoff 1955-9-9 2121 Sonoma Bodega Head Marsh. Comment
  SEINET11845323  Delairea odorata W. Knight, Knight, I. 1990-1 6568 Sonoma along Coast Hwy #1 northbound through Jenner Comment
  CAS-BOT-BC9018  Delphinium decorum John Thomas Howell 1931-4-18 6413 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC9020  Delphinium decorum John Thomas Howell 1931-4-18 6416 Sonoma Larkspur Rock near Bodega Bay Comment
  RSA0016957  Delphinium decorum M. V. Ott 1934-3-31 75 Sonoma Larkspur Hill about 1 mi W of coast. Comment
  CAS-BOT-BC10347  Delphinium hesperium Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UC70363  Delphinium hesperium Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  NY24259  Delphinium luteum L. S. Rose 1939-5-14 39120 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  NY353342  Delphinium luteum A. A. Heller 1902-4-11 5256 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  POM299321  Delphinium luteum Lester Rowntree 1932-6-12 s.n. Sonoma Near Bay Comment
  CAS-BOT-BC8010  Delphinium nudicaule Elmer Ivan Applegate 1934-3-25 8848 Sonoma Pine Flat region, west slope of Mayacama Mountains Comment
  POM150547  Delphinium nudicaule A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross. Comment
  SEINET7075473  Delphinium nudicaule A. G. Vestal 1955-5-7 s.n. Sonoma 4 air-miles north of Occidental and just east of the divide above Oregon Canyon. 38? deg. 27' 56" North Latitude, -122? deg. 56' 33" West Longitude. (NAD 27), UTM Zone 10, 505013mE, 4257264mN. [Coordinate Datum: WGS84/NAD83]. Comment
  UC118641  Delphinium nudicaule J. W. Blankinship 1893-4-27 Sonoma Hood Mountain Comment
  UC58221  Delphinium nudicaule A. A. Heller 1903-4-23 6604 Sonoma Fort Ross Comment
  CAS-BOT-BC8003  Delphinium nudicaule Milo S. Baker 1932-5-3 5949 Sonoma Just south of Stewart's Point Comment
  UC486513  Delphinium patens subsp. patens H. E. and S. T. Parks 1930-5-10 843 Sonoma along small stream Knights Valley Comment
  CAS-BOT-BC121725  Delphinium patens subsp. patens Gregory Clark de Nevers 1981-5-7 994 Sonoma Pepperwood Preserve, Hansel's Lake Comment
  SEINET7075474  Delphinium variegatum A. G. Vestal 1955-5-8 s.n. Sonoma South of Bennett Mountain. 38? deg. 24' 45" North Latitude, -122? deg. 37' 22" West Longitude. (NAD 27), UTM Zone 10, 532928mE, 4251457mN. [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC7775  Delphinium variegatum F. H. Utech 1986-5-13 86 -107 Sonoma ca 3.9 mi. NE of Cavedale Road from junction with CA Hwy. 12 250 Comment
  UC353904  Delphinium variegatum Milo S. Baker 1926-7 2140 a Sonoma Bennet Val Road near Summit Comment
  JEPS83463  Delphinium variegatum subsp. variegatum Jack and Betty Guggolz 1985-5-9 829 Sonoma e Spring Lake; Spring Meadows tent. subdiv. Comment
  UC467783  Delphinium variegatum subsp. variegatum H. P. Chandler 1907-4-20 7518 Sonoma Eldridge Comment
  CAS-BOT-BC7764  Delphinium variegatum subsp. variegatum Ella D. Cantelow 1939-4-8 2592 Sonoma South of Shellville Comment
  UC1055942  Deschampsia cespitosa subsp. cespitosa Peter Kamb and Francia Chisaki 1950-6-16 1861 Sonoma 1 mi. n. Sousa Corners (n.w. of Sebastopol, Pitkin Marsh); Pitkin Marsh Comment
  CAS-BOT-BC192606  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1951-6-2 95 Sonoma Western branch of the Upper Marsh 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
  UCD63789  Deschampsia cespitosa subsp. holciformis David L. Morgan 1956-5-23 Sonoma 4 mi. S of Jenner on State Highway 1. Comment
  CAS-BOT-BC201643  Deschampsia danthonioides John Thomas Howell; Walter Knight; Irja Knight 1987-6-4 6242 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC210165  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6075 Sonoma Vernal pool 6.5 mi. northeast of Penngrove on Lichau Road. Comment
  CAS-BOT-BC210169  Deschampsia danthonioides Peter Rubtzoff 1971-6-5 6510 Sonoma Vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  UC38010  Deschampsia danthonioides Michener and Bioletti 1893-5-29 108 Sonoma Kenwood Comment
  CDA34803  Deschampsia danthonioides Peter Warner 2010-5-6 147 Sonoma Annadel State Park, in upland vernal pool ~250 m N of Canyon Trail, ~220 m W of Spring Creek, just S of old rock wall. Comment
  CAS-BOT-BC201955  Deschampsia elongata Peter Rubtzoff 1959-6-6 4099 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC201959  Deschampsia elongata A. A. Heller 1902-6-7 5653 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC201960  Deschampsia elongata John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54022 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  POM207093  Deschampsia elongata A. A. Heller 1902-6-7 5653 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UCD63238  Deschampsia elongata Peter Rubtzoff 1962-5-25 4836 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  UCD63734  Deschampsia elongata P. B. Kennedy 1916-7-17 Sonoma Del Mar. Comment
  SEINET7293082 Image available Dichanthelium acuminatum subsp. fasciculatum Peter Kamb, Francia Chisaki 1950-1 1852 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners Comment
  SEINET10960759  Dichanthelium acuminatum subsp. thermale John H. Redfield 1872-8-27 Redfield 9792 Sonoma Geyser Springs. Comment
  CAS-BOT-BC502209  Dichelostemma capitatum F. Almeda; G. DeNevers 1981-3-30 4883 Sonoma Vicinity of the Bechtel Cabin. Comment
  CAS-BOT-BC502216  Dichelostemma capitatum A. A. Heller; H. E. Brown 1902-3-14 5065 Sonoma near Windsor Comment
  SEINET12044683  Dichelostemma capitatum J. T. Howell 1931-1 6428 Sonoma 8 m N of Bay Comment
  SEINET12048680  Dichelostemma capitatum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -093 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12, ca 1.2 mi N on Cavedale Rd from jct 244 Comment
  SEINET12049794  Dichelostemma capitatum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -176 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 485 Comment
  SEINET12051470  Dichelostemma capitatum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -268 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UCD166483  Dichelostemma capitatum Peter Rubtzoff 1963-5-26 5145 Sonoma Bennett Mountain Lake. Comment
  UC665619  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma 5 mi n Jenner Comment
Read comments
Apr 2 2015
  RSA138062  Dichondra donelliana P. C. Everett, E. K. Balls 1959-10-27 23995 Sonoma 7.5 miles SE from Fort Ross along Hwy 1. 229 Comment
  CAS-BOT-BC183611  Digitaria Peter Rubtzoff 1971-8-23 6645 Sonoma Stony Point Road, just S of Hwy. 116. Comment
  CAS-BOT-BC176370  Digitaria sanguinalis Peter Rubtzoff 1959-8-30 4243 Sonoma Drake's Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC209110  Digitaria sanguinalis David L. Morgan 1960-7-26 s.n. Sonoma Watkins Ranch, 1/2 mi. NW of Penngrove on Redwood Highway Comment
  RSA796382  Digitaria sanguinalis Peter Rubtzoff 1958-8-9 3846 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  SEINET10662591  Digitaria sanguinalis P. Rubtzoff 1956-9-14 Rubtzoff 2857 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD64147  Digitaria sanguinalis Beecher Crampton 1967-10-24 8220 Sonoma Ca. 4 miles east Black Point, State Hwy. 37. Comment
  CAS-BOT-BC152040  Diplacus aurantiacus F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  CAS-BOT-BC152293  Diplacus congdonii Milo S. Baker 1928-3-7 2729 c Sonoma Santa Rosa-St. Helena Road about 4 mi. East Rincon Summit Comment
  CAS-BOT-BC151749  Diplacus kelloggii John Thomas Howell 1931-4-19 6432 Sonoma Spring Mountain Road, 9.5 miles from St. Helena Comment
  CAS-BOT-BC151376  Diplacus tricolor L. R. Abrams 1918-4-27 6901 Sonoma Santa Rosa 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
  UC1368685  Dirca occidentalis G. Leyard Stebbins, Walter and Irja Knight 1969-2-23 2611 Sonoma on Salmon Creek Road 2.3 mi from main Bodega (town) intersection (n side of road, about 20 ft from pavement) Comment
  RSA0022415  Distichlis Peter Rubtzoff 1970-5-30 6234 Sonoma 5 mi. north of Sears Point. Comment
  UCR279620  Distichlis spicata Peter Rubtzoff 1962-7-14 5000 Sonoma Lower Salmon Creek Marsh 6 Comment
  UCD78109  Dittrichia graveolens Robert E. Preston 1999-11-9 1252 Sonoma Windsor, on NW corner of jct Old Redwood Hwy and Arata Lane. T8N R9W N edge of Sec 11 39 Comment
  RSA247149  Dodecatheon hendersonii Gary D. Wallace, Larry E. DeBuhr 1972-3-28 1006 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 mi east of junction with Hwy. 128. Comment
  SJSU8499  Dodecatheon hendersonii T. A. Wayne III 1962-4-7 Sonoma midway between Bodega Bay & Salmon Cr 91 Comment
  RSA3638  Dodecatheon hendersonii subsp. cruciatum I. L. Wiggins 1932-3-12 5759 Sonoma Wet, grassy area along stream at base of W-facing serpentine slope in mixed ever green forest; W of Stoetz Road off of Harrison Grade, ca. 2 mi. NNE of Occidental. 183 Comment
  UCD55093  Downingia concolor G. F. Hrusa; R. Gross 1996-6-30 13059 Sonoma At west end of Diamond Mtn. Rd.; 2 m. SW of Calistoga. 700 Comment
  CAS-BOT-BC154162  Downingia concolor var. concolor Peter Rubtzoff 1966-5-29 5738 Sonoma Laguna de Santa Rosa, N of Sebastopol (near Occidental Road). 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
  RSA177046  Downingia cuspidata P. H. Raven 1963-4-28 18256 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  JEPS29136  Downingia pusilla John H. Weiler 1960-4-22 60100 Sonoma 1.7 mi n Sonoma State Home entrance (3 mi n of Agua Caliente, on the w side of State Highway 12) Comment
  JEPS77863  Downingia pusilla Robert M. Lloyd 1965-5-8 2527 Sonoma 3 mi n Highway 12 junction with Aqua Caliente Road (along Highway 12, meadow across from Lawrence Triangle End Garage) Comment
  UC28975  Downingia pusilla F. T. Bioletti 1892-1 Sonoma Comment
  CAS-BOT-BC159443  Drymocallis glandulosa var. glandulosa G. DeNevers 1981-4-25 870 Sonoma Mark West Creek and Leslie Creek, Pepperwood Ranch Comment
  RSA42006  Drymocallis glandulosa var. wrangelliana Ella Dales Cantelow 1938-5-7 2403 Sonoma 4.5 miles NM of Bodega Comment
  SEINET3859844 Image available Drymocallis wrangelliana A. A. Heller 1903-4-25 6598 Sonoma Fort Ross.; 0 Comment
  CAS-BOT-BC71023  Dryopteris arguta G. DeNevers 1981-4-25 853 Sonoma Mark West Creek and Leslie Creek confluence Comment
  HSC34932  Dryopteris arguta Thomas W. Nelson, James Nelson 1975-3-25 1758 Sonoma Beside Hwy. 128, E of Geyserville at the Sonoma-Napa Co. line Comment
  JEPS35199  Dryopteris expansa Fred Hein 1931-11-12 Sonoma near mouth of Gualala River (Mendocino Co. line) Comment
  CAS-BOT-BC536738  Duchesnea indica Nelly Farnum 1963-5-19 38 Sonoma 3 miles north of Sonoma in small field. Comment
  CAS-BOT-BC428181  Dudleya cymosa subsp. cymosa C. F. Leitholt 1893-6-1 s.n. Sonoma On the border of Bennett Valley Comment
  CAS-BOT-BC428378  Dudleya farinosa Alice Eastwood 1915-6-29 4890 Sonoma Bodega Point Comment
  UC830945  Dudleya farinosa Alice Eastwood 1915-6-29 4890 Sonoma Bodega Point Comment
  UC933225  Dudleya farinosa Reid Moran March 1949 3184 Sonoma coast n Bodega Comment
  UCD164337  Echinochloa Peter Rubtzoff 1976-8-29 8834 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC173585  Echinochloa crus-galli Peter Rubtzoff 1956-9-15 2901 Sonoma Atascadero Creek Marsh. Comment
  UCD60852  Echinochloa crus-galli H. H. Wernland 1923-10-10 Sonoma Near Bodega. Comment
  SEINET11690150  Echinochloa crus-galli W. Knight, Knight, I.; Howell, J. T. 1987-1 6283 Sonoma Llano Road between Gravenstein Hwy & Todd Road near sewage plant 20 Comment
  CAS-BOT-BC208542  Ehrharta calycina Nancy Harrison 1977-6-11 1376 Sonoma Salmon Creek Beach Comment
  RSA227244  Elatine heterandra Peter Rubtzoff 1966-5-7 5720 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  UC1042515  Eleocharis macrostachya Peter Rubtzoff 1951-7-8 387 Sonoma near Forestville (Pitkin Marsh, lower part of the Upper Marsh) Comment
  CAS-BOT-BC113143  Eleocharis palustris John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC112194  Eleocharis radicans Peter Rubtzoff 1951-9-2 703 Sonoma Pitkin Marsh, near Forestville: Northern half of Lower Marsh. Comment
  UC1026470  Eleocharis radicans Peter Rubtzoff 1951-7-14 418 Sonoma near Forestville (Pitkin Marsh, Lower Marsh, southern half) Comment
  CAS-BOT-BC213785  Elymus X hansenii D. E. Breedlove 1980-6-28 44805 Sonoma Pepperwood Ranch W of Knights Valley Comment
  JEPS27642 Image available Elymus divergens J. Burtt Davy 1897-9-18 4037 Sonoma near Petaluma; ; Near Petaluma, Sonoma Co. Comment
  UCD61790  Elymus glaucus P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  UCD61803  Elymus glaucus Beecher Crampton 1959-6-16 5377 Sonoma 1 mile E of Occidental. Comment
  RSA129232  Elymus glaucus H. S. Yates 1937-6-5 6574 Sonoma 3 miles S.S.E. of Wildwood; Santa Rosa 122 Comment
  UC573704  Elymus glaucus subsp. virescens H. S. Yates 1936-5-17 5624 Sonoma 1 1/2 mi e Bodega Port; Duncan Mills Quadrangle 121 Comment
  CAS-BOT-BC235227  Elymus multisetus Peter Rubtzoff 1952-6-11 1249 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC235234  Elymus multisetus D. E. Breedlove 1980-6-28 44794 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC483680  Epilobium brachycarpum Milo S. Baker 1931-9-13 5565 Sonoma near Kenwood; Clifton Hawkins Ranch Comment
  RSA609960  Epilobium canum R. S. Woglum 1937-7-17 831 Sonoma Outer Coast Ranges: North of Point Reyes National Seashore, south of the Russian River, Salmon Creek. Comment
  RSA3446  Epilobium canum subsp. latifolium F. G. Krauss 1893-11-2 s.n. Sonoma Krauss Ranch Comment
  SEINET13287585 Image available Epilobium ciliatum A. G. Vestal 1937-6-18 s.n. Sonoma Comment
  CAS-BOT-BC262961  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1968-8-31 5946 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCR248960  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-24 1985 Sonoma Forestville Marsh 71 Comment
  RSA155530  Epilobium ciliatum subsp. ciliatum L. S. Rose 1960-9-14 60096 Sonoma Laguna de Santa Rosa, 4 miles NE of Graton 15 Comment
  CAS-BOT-BC290547  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1967-8-28 5865 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC300482  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5338 Sonoma Bodega Bay Marsh. Comment
  UC424852  Epilobium ciliatum subsp. watsonii Milo S. Baker 1929-4-17 3513 Sonoma Bodega Rd near Bay Comment
  UCR248931  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5338 Sonoma Bodega Bay Marsh 15 Comment
  UCR248959  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5339 Sonoma Bodega Bay Marsh 15 Comment
  RSA0015637  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1962-8-22 5052 Sonoma Bodega Bay Marsh. Comment
  UC19965  Epilobium torreyi H. N. Bolander June 1867 6535 Sonoma Cloverdale; ; Cloverdale, Sonoma Co. 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
  CAS-BOT-BC210087  Equisetum Peter Rubtzoff 1964-6-20 5361 Sonoma Laguna de Santa Rosa southeast of Sebastopol (near Cooper Road). Comment
  RSA790975  Equisetum Peter Rubtzoff 1973-8-31 7291 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC164075  Equisetum X ferrissii Peter Rubtzoff 1962-5-25 4840 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC183617  Equisetum X ferrissii Peter Rubtzoff 1960-6-9 4480 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  JEPS79611  Equisetum X ferrissii Edward Lee 1979-7-21 Sonoma e Santa Rosa (Schultz Canyon); Annadel State Park Comment
  CAS-BOT-BC57048  Equisetum arvense Peter Rubtzoff 1958-8-16 3879 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  UC1026487  Equisetum arvense Peter Rubtzoff 1951-6-17 279 Sonoma near Forestville (n half of Lower Marsh); Pitkin Marsh Comment
  RSA94451  Equisetum arvense Peter Rubtzoff 1951-7-1 332 Sonoma Lower part of Upper Marsh Comment
  UCD135527  Equisetum laevigatum Frederica Bowcutt 1994-6-12 1894 Sonoma 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. Vista Trail about 1/4 way from Bald Mountain Trail to Headwaters Trail. 554 Comment
  CAS-BOT-BC57653  Equisetum telmateia A. A. Heller; H. E. Brown 1902-3-27 5161 Sonoma Western Base of Mt. Hood Comment
  UC750802  Equisetum telmateia subsp. braunii Charles B. Heiser Jr. 1946-4-14 1729 Sonoma 3 mi w Duncan Mills (banks of Russian River) Comment
  CAS-BOT-BC312695  Eragrostis Peter Rubtzoff 1968-9-21 5982 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC173850  Eragrostis cilianensis Peter Rubtzoff 1956-9-14 2863 Sonoma Vacation Beach, near Guerneville. Comment
  UC1025040  Eragrostis cilianensis Leo Whitney 1935-10-2 3634 Sonoma Santa Rosa Comment
  UC38308  Eragrostis hypnoides J. Burtt Davy July 1896 Sonoma Russian River at Russian River R.R. depot; Russian River Comment
  CAS-BOT-BC284188  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1958-8-30 s.n. Sonoma Vacation Beach near Guerneville, Russian River Comment
  CAS-BOT-BC312702  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1973-8-20 7237 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC164079  Erechtites glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 miles southeast of Guerneville. Comment
  CAS-BOT-BC291172  Erechtites glomeratus Mary P. Wells 1985-5-26 494 Sonoma 230 Pilot's Reach, The Sea Ranch Comment
  CAS-BOT-BC164645  Erechtites minimus Peter Rubtzoff 1955-8-20 2056 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC164039  Erechtites minimus Peter Rubtzoff 1951-8-25 668 Sonoma Forested hills southeast of Guerneville. Comment
  CAS-BOT-BC291249  Erechtites minimus John Thomas Howell 1946-8-17 22868 a Sonoma Cunningham Marsh Comment
  RSA0062824  Ericameria arborescens Greg de Nevers 1989-9-5 9100 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  UCR255058  Ericameria arborescens Greg de Nevers 1989-9-5 9100 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC31491  Erigeron biolettii J. Burtt Davy 1896-7-22 4147 Sonoma below Guerneville (on rocks); Russian River Comment
  UCD159441  Erigeron canadensis D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 198 Sonoma Roadside population along road leading to Bodega Marine Labs. Abundant. 7 Comment
  UCSB50241  Erigeron glaucus Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach; T6n R11W 18 Comment
  UCD158778  Erigeron inornatus James A. Neilson Jr. 19 Aug1974 2850 Sonoma Mayacmas Mountains, south of Geyser Rock. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  JEPS82248  Erigeron serpentinus Roger Raiche 1983-8-6 30587 Sonoma near seep above Austin Creek (below Laton Mine buildings); the Cedars Comment
  JEPS128291  Eriogonum cedrorum Roger Raiche 2008-7-26 018 .08 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  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
  CAS-BOT-BC259266  Eriogonum latifolium Greg de Nevers 1997-5-14 11001 Sonoma Estero Americano, south of Bodega. Sonoma Land Trust Hepper Preserve 30 Comment
  LA206929  Eriogonum latifolium C. L. Hitchcock; J. S. Martin 1939-7-15 5444 Sonoma cliffs below Bodega State Park Comment
  RSA48870  Eriogonum latifolium Lucille Roos 1949-1 4654 Sonoma Shell Beach, Jenne [Jenner]. Comment
Read comments
Sep 24 2015
  SD22296  Eriogonum latifolium John Thomas Howell 1930-7-27 5414 Sonoma Marine bluff, 4 miles north of Bodega Bay Comment
  UCSB50229  Eriogonum latifolium Gray, John 1976-5-5 Sonoma Bluff above Carment State Beach; T6N R11W 15 Comment
  RSA107415  Eriogonum luteolum L. S. Rose 1955-7-11 55112 Sonoma 2 miles NE of Occidental 244 Comment
  CAS-BOT-BC259482  Eriogonum luteolum Helen D. Geis 1902-8-1 s.n. Sonoma Russian River, near Cloverdale Comment
  CHSC24962  Eriogonum luteolum var. luteolum T. P. Spira 1976-7-23 Sonoma On s facing slope, 2 mi w of Camp Meeker and ca. 1/4 mi nw of Bohemian Hwy. 91 Comment
  UCD100603  Eriogonum nudum var. nudum K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  SD133986  Eriogonum vimineum Greg de Nevers 1986-9-10 8110 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 99 Comment
  SEINET5781672 Image available Eriophyllum lanatum Marcus E. Jones 1882-1 2773 Sonoma Duncan's Mills Comment
  CAS-BOT-BC301148  Eriophyllum lanatum var. achilleoides L. Constance 1933-5-20 E 26 Sonoma 1 mile north of Healdsburg Comment
  CAS-BOT-BC301277  Eriophyllum lanatum var. arachnoideum Rimo Bacigalupi 1926-5-2 1403 Sonoma Cazadero Comment
  JEPS128258  Eriophyllum lanatum var. arachnoideum Roger Raiche 2000-4-20 039 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET11842885  Eriophyllum lanatum var. arachnoideum W. Knight, Knight, I.; Edwards, S. 1986-1 5349 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Rd 853 Comment
  RSA719882  Eriophyllum staechadifolium Linda E. Watson 1996-5-19 s.n. Sonoma At Bodega Bay, 2 miles N of Salmon Creek, Bodega Bay Population of Clausen, keck, and Heisey studies on ecotypes. Comment
  CAS-BOT-BC302015  Eriophyllum staechadifolium Robert M. King 1980-7-8 8412 Sonoma Generally 2 miles north of Bodega Bay Comment
  RSA187471  Erodium brachycarpum John H. Thomas 1966-3-18 11482 Sonoma Edge of vineyard at Italian Swiss Colony at Asti. Comment
  RSA789044  Erodium obtusiplicatum Carrie A. Herd 1982-3-16 24 Sonoma Santa Rosa, S.W. corner of Fulton & Piner Roads Comment
  UCD150144  Eryngium aristulatum 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
  UC1487264  Eryngium aristulatum var. aristulatum Yusuf Sheikh and Peter Rubtzoff 1971-7-20 504 Sonoma n.w. Cotati (along Todd Rd.) Comment
  UC1487265  Eryngium aristulatum var. aristulatum Yusuf Sheikh and Peter Rubtzoff 1971-7-20 501 Sonoma on Bennett Valley Rd. 4.5 mi. w. Glen Ellen Comment
  CDA38334  Eryngium aristulatum var. aristulatum Bremner 1929-9-2 s.n. Sonoma [no additional data] 0 Comment
  UC1122952  Eryngium armatum H. S. Yates 1936-5-17 5631 Sonoma 2 mi. n. Bodega Bay; Duncan Mills Quad. 15 Comment
  UCD136329  Erysimum capitatum var. capitatum M. Rei Scampavia Evangelista 2012-5-20 11 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  CAS-BOT-BC54763  Erysimum franciscanum D. E. Breedlove 1961-12-31 1441 Sonoma At mouth of Russian River. 3 Comment
  CAS-BOT-BC153628  Erythranthe inodora Peter Rubtzoff 1955-7-10 1950 Sonoma Duncans Mills Marsh Comment
  SEINET8255128  Erythranthe microphylla Unknown 1940-5-21 25883 Sonoma Route 28. 183 Comment
  UC1299356  Erythronium californicum Freed W. Hoffman 1947-4-20 1866 Sonoma near Mercury (Geysers to Healdsburg); North Coast Ranges Comment
  RSA304233  Erythronium californicum James R. Shevock 1972-3-28 1484 Sonoma Highway 128, north of Cloverdale. 244 Comment
  SEINET9633973 Image available Erythronium californicum Fred W. Hoffman 1947-4-20 1866 Sonoma Near Mercury, Geysers to Healdsburg. Comment
  SEINET12044880  Erythronium helenae E. I. Applegate 1934-1 8855 Sonoma headwaters of Sulpher Creek, opposite Old Sonoma quicksiver mine 610 Comment
  CAS-BOT-BC402865  Eschscholzia caespitosa Catherine Best 1982-4-17 s.n. Sonoma Bohemian Hwy about 5 miles north of Occidental Comment
  SD40082  Eschscholzia californica Edith A. Purer 1932-7-29 4047 Sonoma Bodega Bay. Comment
  UC10013  Eschscholzia californica Alice Eastwood 1899-6-9 Sonoma Bodega Point Comment
  UC1084359  Eschscholzia californica G. Thomas Robbins 1937-3-26 21 Sonoma along hwy just w Bodega Comment
  CAS-BOT-BC202766  Euonymus occidentalis H. E. McMinn 1922-6-7 190 Sonoma Above Monte Rio Comment
  CAS-BOT-BC202771  Euonymus occidentalis Peter Rubtzoff 1960-6-25 4524 Sonoma Duncans Mills Marsh Comment
  UC1071564  Euonymus occidentalis var. occidentalis E. Armstrong 1934-3-26 903 Sonoma 1 mi. w. Camp Meeker; Sebastopol Quad. Comment
  UC635627  Euonymus occidentalis var. occidentalis H. L. Mason June 1930 5661 Sonoma mouth of Gualala R. Comment
  CAS-BOT-BC202540  Euphorbia Peter Rubtzoff 1987-10-17 9878 Sonoma Highway 116 ca. 0.3 miles southeast of Forestville Comment
  UC424848  Euphorbia crenulata Milo S. Baker 1927-4-12 3426 Sonoma w of Graton (near Wayne <????>g<?>on place) Comment
  UCD142421  Euphorbia lathyris C. B. Heiser; D. Heiser 1946-4-14 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC368064  Euphorbia spathulata Greg de Nevers 1998-5-26 11262 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  UC353899  Euphorbia spathulata Milo S. Baker 1927-5-7 2120 a Sonoma slope opposite House-Maple Glen Comment
  CAS-BOT-BC354318  Euthamia occidentalis Peter Rubtzoff 1956-9-15 2915 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC239723  Fabaceae Peter Rubtzoff 1973-8-29 7288 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente Comment
  CAS-BOT-BC368026  Festuca Greg de Nevers 1998-6-10 11277 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  CAS-BOT-BC368075  Festuca Greg de Nevers 1998-6-10 11276 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. 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
  CAS-BOT-BC283188  Festuca californica subsp. californica G. DeNevers 1981-5-15 1172 Sonoma N arm of Garrison Canyon, Pepperwood Ranch Comment
  CAS-BOT-BC278395  Festuca elmeri K. Wagnon 1939-5-22 217 Sonoma Top of Wagnon rock quarry, five miles west of Sebastopol Comment
  JEPS128389  Festuca microstachys Roger Raiche 2000-4-2 014 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCR255651  Festuca microstachys var. pauciflora Greg de Nevers 1997-4-24 10963 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  UC766905  Festuca occidentalis R. F. Hoover 1941-5-14 5094 Sonoma sw of Occidental (near Joy District School) Comment
  UCD66117  Festuca occidentalis Beecher Crampton 1955-6-17 2964 Sonoma 2 miles east of Fort Ross. Comment
  CAS-BOT-BC279078  Festuca rubra Peter Rubtzoff 1951-9-15 758 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  SEINET6923745  Fragaria chiloensis W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Southern coast, ca. 1.3 miles north of Salmon Creek. Comment
  CAS-BOT-BC457582  Fragaria vesca subsp. californica J. W. Congdon only April written on sheet s.n. Sonoma Santa Rosa Comment
  UCD35634  Frangula californica Beecher Crampton 1959-6-16 5363 Sonoma 3 miles west of Graton. Comment
  CAS-BOT-BC53280  Frangula californica subsp. californica James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  CAS-BOT-BC130179  Fritillaria affinis Milo S. Baker 1940-3-1 s.n. Sonoma unspecified Comment
  JEPS83496  Fritillaria liliacea Jack and Betty Guggolz 1986-3-16 859 Sonoma California Comment
  CAS-BOT-BC130455  Fritillaria purdyi M. D. B.; Demeor 1926-3-30 163 c - Son. Serries Sonoma The Crater - Mt. St. Helena Comment
  JEPS61784  Fritillaria recurva Wayne Roderick 1967-4-28 Sonoma 1 mi w of Hoods Peak (Charles Newman property) Comment
  UC3634  Fritillaria recurva F. T. Bioletti 1892-1 Sonoma Hood's Peak Comment
  JEPS128248  Galium aparine Roger Raiche 2000-5-28 114 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA264747  Galium aparine Peter Rubtzoff 1962-6-1 4863 Sonoma Freestone Marsh. Comment
  UCD121660  Galium aparine Jennifer Bury; Peggy Herzog 1993-5-8 267 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. About 100 ft. above parking lot. 402 Comment
  UC28195  Galium bolanderi F. T. Bioletti June 1893 Sonoma top Hood's Peak Comment
  JEPS117088  Galium murale Peter Warner 2010-5-20 156 Sonoma Jenner Headlands, upper Middle Pasture, near small drainage, downslope ~155 m from Willig Extension Drive (main property road) Comment
  UCD151154  Galium nuttallii James A. Neilson Jr. 1973-6-7 3563 Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  UCR30592  Galium parisiense John C. Roos 1950-7-22 4875 Sonoma North Coast Range, 2 miles east of Duncan Mills 61 Comment
  UCD121890  Galium porrigens P. G. Connors 1992-5-8 247 Sonoma Near rock outcrop on hillside. Comment
  JEPS52745  Galium porrigens var. porrigens Lauramay T. Dempster and Jean Colton 1963-8-5 3873 Sonoma 2 mi w Cloverdale (on road to Booneville); Alder Glen Springs Comment
  JEPS117099  Gamochaeta pensylvanica Peter Warner 2010-7-12 177 Sonoma Jenner Headlands, main dirt road, about 300 m W of jct. with east ridge road to Parmeter Ranch, on ungraded roadside. Comment
  HSC83435  Gamochaeta ustulata Mary M. Hektner, Cathy Hendel, , Susan Dakuzaku 1974-6-27 78 Sonoma Unit 28 Owners' Map, Sea Ranch near State Hwy. 1 Comment
  UC665535  Gamochaeta ustulata Annetta Carter and Ethel Crum 1941-6-22 2148 Sonoma 3.3 mi e Bodega Bay; North Coast Ranges Comment
  CAS-BOT-BC303505  Gamochaeta ustulata J. H. Thomas 1976-6-16 18274 Sonoma Southern part of Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  RSA790993  Gamochaeta ustulata Peter Rubtzoff 1963-6-22 5186 Sonoma Bennett Mountain Lake. Comment
  UC55251  Garrya congdonii Milo S. Baker 1903-10-3 1 Sonoma Hood Mt. Comment
  UC38573  Gastridium ventricosum J. Burtt Davy July 1896 4017 Sonoma Russian River below Guerneville; Russian River Comment
  UCR248754  Gastridium ventricosum Peter Rubtzoff 1970-8-19 6334 Sonoma On Austin Creek beach, 0.5 miles north of Cazadero 38 Comment
  CDA31358  Genista monspessulana D. G. Kelch, Ed Biffin 2010-5-3 10 .205 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCD160843  Genista monspessulana James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3375 Sonoma Section 10, One-quarter mile west of Eagle Rock on Geysers Road, The Geysers. (Elevation and coordinates estimated by label maker) 457 Comment
  POM312857  Gentiana sceptrum H. L. Mason 1946-7-4 12891 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  SBBG3920  Geranium carolinianum H. and M. Dearing 1939-5-14 3361 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCD103493  Geranium core-core Frederica Bowcutt 1984-6-23 440 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg on the Sonoma County coast. West of Highway 1, approx. 1/2 mile north of Gerstle Cove. 15 Comment
  UCD103339  Geranium dissectum Mary M. Hektner 1974-5-27 5 Sonoma South of Whalers' Reach, Unit 7, Sea Ranch, near State Highway 1. Comment
  UCD103411  Geranium molle Mary M. Hektner 1976-9-15 268 Sonoma Irena Morgan's garden. Pacific Reach Road, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR265127  Geranium purpureum Ann Howald 2015-4-1 3318 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 15.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 397 Comment
  CAS-BOT-BC366949  Gilia capitata Greg de Nevers 1997-4-16 10946 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  SEINET12329963  Gilia capitata F. H. Utech 1986-1 86 -105 Sonoma ca 3 mi NE on Cavedale Road 250 Comment
  CAS-BOT-BC225278  Gilia capitata subsp. chamissonis Peter Rubtzoff 1955-8-20 2071 Sonoma Bodega Harbor Marsh Comment
  POM65744  Gilia capitata subsp. chamissonis A. A. Heller, H. E. Brown 1902-5-27 s.n. Sonoma Bodega Bay. Comment
  RSA83126  Gilia capitata subsp. chamissonis Verne Grant, Alva Grant 1948-7-7 8598 Sonoma Near Hwy 1, 11 miles north of Bodega Comment
  UC1303053  Gilia capitata subsp. chamissonis Roxana S. Ferris 1932-5-27 8259 Sonoma upper Bodega Bay Comment
  UC907883  Gilia capitata subsp. pacifica Herbert L. Mason 1928-7-10 4886 Sonoma Jenner Comment
  CAS-BOT-BC266478  Githopsis diffusa Milo S. Baker 1926-1-1 237 A Local Sonoma Side canyon above Kenwood Springs Comment
  SEINET10464458  Githopsis diffusa subsp. robusta Michener 1892-5-30 MICHENER 1411 Sonoma Comment
  RSA79053  Githopsis specularioides E. K. Balls, Lee W. Lenz 1952-5-8 17113 Sonoma 0.4 mi s. of Franz Valley Road along road from Mark West Springs to Kellogg 107 Comment
  SJSU8210  Glaux maritima W. Savage 1976-7-16 1104 Sonoma on Chas. Gambonini Ranch by Schultz Slough c. 5 km SE of Petaluma 1 Comment
  OBI48604  Glebionis segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  SEINET3821488  Glebionis segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  CAS-BOT-BC227644  Glyceria Peter Rubtzoff 1969-7-5 6109 Sonoma Pond, 5.25 miles northeast of Penngrove, near Lichan Road. Comment
  RSA177984  Glyceria declinata R. F. Thorne 1965-4-19 34293 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  RSA786605  Glyceria declinata Peter Rubtzoff 1966-4-30 5687 Sonoma North side of Highway 116, 0.5 mile northwest of Stony Point Road crossing. Comment
  CAS-BOT-BC282807  Glyceria leptostachya Peter Rubtzoff 1951-6-9 187 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC282814  Glyceria leptostachya Peter Rubtzoff 1953-5-31 1422 Sonoma Guerneville Marsh Comment
  RSA786604  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5384 Sonoma Coleman Marsh. Comment
  UCD57076  Glyceria leptostachya B. Crampton 1955-6-17 2937 Sonoma 1/2 mile south of Guerneville. Comment
  SJSU6044  Glyceria occidentalis C. W. Sharsmith 1972-6-24 7800 Sonoma Forestville Marsh c. 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  CAS-BOT-BC303863  Gnaphalium Peter Rubtzoff 1971-9-3 6697 Sonoma Spring Creek Reservoir Area Comment
  CAS-BOT-BC166778  Gnaphalium purpureum Peter Rubtzoff 1974-5-25 7458 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC251252  Gratiola Peter Rubtzoff 1972-5-25 6756 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC261653  Gratiola Peter Rubtzoff 1967-7-30 5846 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD165129  Gratiola Peter Rubtzoff 1974-5-11 7387 Sonoma Todd Road, 1.4 miles from hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC305174  Grindelia hirsutula P. A. Munz 1936-8-7 14306 Sonoma 2 mi. north of Bodega Comment
  CDA15994  Grindelia hirsutula G. F. Hrusa, M. Gillogly 2000-7-26 15674 Sonoma North Coast Biodiversity Arena; Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Comment
  JEPS41926  Grindelia hirsutula F. T. Bioletti 1891-1 Sonoma Glen Ellen Comment
  CAS-BOT-BC305169  Grindelia hirsutula Walter Knight; Irja Knight 1963-10-29 434 Sonoma Between Two Rock Ranch and County Line Comment
  SEINET10724137 Image available Grindelia hirsutula John Thomas Howell 1930-6-8 Howell 5221 Sonoma 8 miles west of Petaluma. Clay soil. Comment
  UC535112  Grindelia hirsutula H. E. and S. T. Parks 1929-11-1 411 Sonoma Tubbs Island 0 Comment
Read comments
Oct 1 2009
  UCD160836  Grindelia nana James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3371 a Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CDA34790  Hedera helix Peter Warner 2010-3-1 110 Sonoma State Hwy 1 at 6.77 mile marker, west of junction of Bay Hill Rd. between road and Cheney Gulch Creek. Comment
  CAS-BOT-BC306331  Hedypnois cretica Ella Dales Cantelow 1941-4-14 3509 Sonoma Mouth of Salmon Creek nr. ocean Comment
  CAS-BOT-BC306324  Hedypnois cretica G. DeNevers 1981-4-16 721 Sonoma Pepperwood Ranch. N of Garrison Cabin Comment
  JEPS81886  Helenium bigelovii Roger Raiche 1982-7-31 20649 Sonoma Pitkin Marsh 15 Comment
  CAS-BOT-BC262976  Helenium puberulum Peter Rubtzoff 1957-8-18 3524 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC262953  Helenium puberulum Peter Rubtzoff 1959-9-12 4260 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC309579  Helenium puberulum G. DeNevers 1981-5-30 1386 Sonoma Pepperwood Ranch. Shore of Pippindale Pond Comment
  RSA800484  Helenium puberulum Peter Rubtzoff 1955-8-13 2043 Sonoma Duncan Mills Marsh. Upper portion of the marsh. Comment
  SEINET11843060  Helianthella californica Unknown 1985-1 RR 50176 Sonoma W of Healdsburg, ridge of W side of Dry Creek Valley, N of Dorman Canyon to Bradford Mt. area 244 Comment
  UC754291  Helianthus bolanderi R. Bacigalupi 1948-3-6 2853 Sonoma The Geysers, just above the resort. Comment
  CAS-BOT-BC262967  Hemizonia Peter Rubtzoff 1956-9-16 2927 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD166184  Hemizonia Peter Rubtzoff 1969-7-25 6122 Sonoma Vernal pool area, 6.5 mi northeast of Penngrove on Lichau Road. 427 Comment
  CAS-BOT-BC182781  Hemizonia Peter Rubtzoff 1969-5-24 6055 Sonoma Vernal pool area, 6.5 miles northeast of Penngrove on Lichau Road. 426 Comment
  CAS-BOT-BC258387  Hemizonia Peter Rubtzoff 1972-5-21 6746 Sonoma Atascadero Creek Marsh and nearby slopes. Comment
  CAS-BOT-BC258395  Hemizonia Peter Rubtzoff 1974-5-18 7422 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC258906  Hemizonia Peter Rubtzoff 1961-8-24 4703 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC376334  Hemizonia Greg de Nevers 1996-11-10 10892 Sonoma Just north of Highway 37 opposite Port Sonoma, Lower Ranch. 0 Comment
  RSA0056566  Hemizonia Greg de Nevers 1996-11-10 10892 Sonoma Just north of Highway 37 opposite Port Sonoma, Lower Ranch. Comment
  RSA800071  Hemizonia Peter Rubtzoff 1971-7-23 6619 Sonoma Laguna, Chileno Valley. Comment
  UC88997  Hemizonia clevelandii Katharine Brandegee Sonoma Verano Comment
  RSA81625  Hemizonia congesta James I. McMurphy 1909-8-9 s.n. Sonoma 1 mile S of Sonoma. Comment
  SDSU4563  Hemizonia congesta D. F. Howe 1965-8-8 4101 Sonoma 8 miles east of Bodega Bay on #1. Comment
  RSA14739  Hemizonia congesta subsp. clevelandii L. S. Rose 1935-9-11 35622 Sonoma 2 mi N of Healdsburg. 40 Comment
  CAS-BOT-BC306221  Hemizonia congesta subsp. congesta Alice Eastwood; John Thomas Howell 1936-5-19 2513 Sonoma 2 miles n. of Windsor Comment
  CAS-BOT-BC306227  Hemizonia congesta subsp. congesta Walter Knight; Irja Knight 1963-9-1 144 Sonoma Pine Mt. Rd - NE of Cloverdale, Harold Smith Ranch Comment
  CAS-BOT-BC306234  Hemizonia congesta subsp. congesta A. A. Heller 1902-6-4 5637 Sonoma Santa Rosa Comment
  UCD132983  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-4-30 1038 Sonoma north side of intersection of Occidental Road and Facendini Lane. Comment
  CAS-BOT-BC309690  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station, between Santa Rosa and Sebastopol Comment
  HSC5814  Hemizonia congesta subsp. lutescens L. S. Rose 1964-8-26 64067 Sonoma 5 mi. NE of Penngrove 244 Comment
  CAS-BOT-BC309681  Hemizonia congesta subsp. lutescens Peter H. Raven 1955-8-27 8754 Sonoma Petaluma Creek at bridge on Black Point Cutoff Comment
  CAS-BOT-BC309687  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
  CAS-BOT-BC309706  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-10 717 -D Sonoma About a mile W of Santa Rosa on road to Fulton Comment
  CAS-BOT-BC309715  Hemizonia congesta subsp. lutescens Ella Dales Cantelow 1941-6-7 3575 Sonoma State Hy. 1, 4 mi. n. of Bay Comment
  CAS-BOT-BC309719  Hemizonia congesta subsp. lutescens H. M. Hall 1931-5-28 13104 Sonoma Bodega Bay Comment
  UC1301039  Hemizonia congesta subsp. lutescens Helen K. Sharsmith 1963-5-25 5484 Sonoma 152 Comment
  UC1518544  Hemizonia congesta subsp. lutescens Craig D. Thomsen 1976-6-27 247 Sonoma watershed of Estero de San Antonio Estero De San Antonio Comment
  UC194216  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-24 10251 Sonoma 12 km on road to San Rafael; Petaluma Comment
  UC295871  Hemizonia congesta subsp. lutescens H. M. Hall 1924-8-13 12101 Sonoma 4 km s Santa Rosa (along road to Petaluma) Comment
  CAS-BOT-BC309952  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-5-29 s.n. Sonoma Summit between Geyserville and the Geysers Comment
  SD124916  Hemizonia congesta subsp. luzulifolia L. F. LaPre 1986-7-29 Sonoma Socrates Mine, ca. 9 miles eastnortheast of Geyserville. 915 Comment
  UCD55333  Hemizonia congesta subsp. luzulifolia Ellen Dean 2006-6-28 3177 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. East side of Pepperwood Reservoir. 150 Comment
  CAS-BOT-BC309937  Hemizonia congesta subsp. luzulifolia Irja Knight; Walter Knight 1964-11-15 792 Sonoma Hood's Peak near upper end of Johnson Ranch Comment
  RSA81616  Hemizonia lutescens James I. McMurphy 1909-8-9 713 Sonoma Petaluma. Comment
  UC990611  Hemizonia luzulifolia subsp. luzulifolia James I. McMurphy 1909-8-8 706 Sonoma Sonoma Comment
  UCD127530  Heracleum maximum Michelle Mahoney 1965-5-22 34 Sonoma On old Fire Road off Highway 116, Hacienda Park. 91 Comment
  CAS-BOT-BC310216  Hesperevax sparsiflora var. sparsiflora G. DeNevers 1981-4-25 834 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  RSA63651  Hesperolinon clevelandii Milo S. Baker 1947-5-7 11743 Sonoma Southwest slope of Hood Mt. above Baker ranch. 213 Comment
  JEPS128297  Hesperolinon micranthum Roger Raiche 2010-6-16 023 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD110543  Hesperolinon micranthum Herbert L. Mason 1946-7-4 12895 Sonoma Two miles east of Occidental on Harrison Grade. Comment
  JEPS32295  Hesperolinon spergulinum W. L. Jepson 1923-6-28 10008 Sonoma Kenwood Sonoma Canyon 365 Comment
  UC66032  Hesperolinon spergulinum A. A. Heller 1902-6-24 5751 Sonoma near Santa Rosa Comment
  OBI49064  Hesperolinon spergulinum Michener & Bioletti, Bioletti 1893-6-11 35 Sonoma Hoods Peak Comment
  UCSB11578  Hesperolinon spergulinum Dearing, Hugh; Dearing, Margaret 1939-5-15 Sonoma Italian Swiss Colony Comment
  SEINET11908933  Heteromeles arbutifolia W. Knight, Knight, I. 1981-1 3965 Sonoma 2.3 mi up Cavedale Rd. from jct of State Rt. #12 Comment
  UCR255677  Heterotheca sessiliflora Greg de Nevers 1996-10-20 10890 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 488 Comment
  CAS-BOT-BC311162  Heterotheca sessiliflora subsp. bolanderi Carl B. Wolf 1927-9-2 1345 Sonoma 2 miles south of Anchor Cove Comment
  CAS-BOT-BC420943  Heuchera micrantha var. diversifolia Mary P. Wells 1984-7-20 384 Sonoma Hot Spot, The Sea Ranch Comment
  SD64434  Heuchera pilosissima Darley F. Howe 1966-6-2 4262 Sonoma 5 miles south of Bodega Bay Comment
  SEINET3817294 Image available Heuchera pilosissima Lewis S. Rose 1939-5-14 39119 Sonoma 2 miles east of Bodega Bay. 30 Comment
  OBI78066  Hoita orbicularis Michener & Bioletti, Bioletti May1893 s.n. Sonoma Kenwood Comment
  POM205900  Holcus lanatus Jos Burtt Davy 1896-07 12201 Sonoma Near Guerneville. Comment
  UCR121478  Holcus lanatus George K. Helmkamp, E. A. Helmkamp 2000-6-18 5698 Sonoma Outer North Coast Ranges, along Calif. Hwy 128, 0.5 mi south of Mendocino Co. line 381 Comment
  UC990598  Holocarpha virgata subsp. virgata James I. McMurphy 1906-7-17 Sonoma Fulton Comment
  UCD160123  Holodiscus discolor James A. Neilson Jr. 1973-6-6 2996 Sonoma Mayacmas Mountains. The Geysers. 1/2 mile N of The Geysers Resort. (Elevation and coordinates estimated by label maker.) 731 Comment
  CAS-BOT-BC152386  Holodiscus discolor var. discolor Mary P. Wells 1984-5-24 277 Sonoma Annadel State Park, Santa Rosa Comment
  UCD158726  Holodiscus discolor var. discolor Teresa A. Sholars 1976-9-9 s.n. Sonoma Mayacmas Mtns.Along Big Sulpher Creek. Ca.1.5 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 792 Comment
  CAS-BOT-BC315812  Holozonia filipes James I. McMurphy 1909-8-18 704 Sonoma Kenwood Comment
  CAS-BOT-BC166677  Holozonia filipes Peter Rubtzoff 1971-7-20 6602 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC166738  Holozonia filipes Peter Rubtzoff 1971-6-23 6546 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA92835  Holozonia filipes Milo S. Baker 1954-8-12 13034 Sonoma Coney Lake; Kenwood, Coney Ranch. 366 Comment
  CAS-BOT-BC289282  Hordeum brachyantherum subsp. brachyantherum David L. Morgan 1956-5-13 s.n. Sonoma On Watmaugh Road, 1/2 mi. W. of junciton of Arnold Drive Comment
  CAS-BOT-BC289294  Hordeum brachyantherum subsp. brachyantherum G. DeNevers 1981-5-12 1139 Sonoma At the Red Corral, old McCann Homestead, Pepperwood Ranch Comment
  CAS-BOT-BC289541  Hordeum brachyantherum subsp. californicum John H. Thomas 1976-6-16 18346 Sonoma Southern part of Sea Ranch northwestern part of county about 7 iles south of Gualala 30 Comment
  SACT001333  Hordeum depressum P. Kennedy 1916/06/00 Sonoma coastal bluffs Comment
  CAS-BOT-BC285185  Hordeum marinum subsp. gussoneanum G. DeNevers 1981-5-9 1019 Sonoma Pepperwood Ranch. By the Red Corral at the McCann Homestead Comment
  CAS-BOT-BC285189  Hordeum marinum subsp. gussoneanum A. A. Heller 1902-6-4 5636 Sonoma Santa Rosa Comment
  CAS-BOT-BC285193  Hordeum marinum subsp. gussoneanum Peter Rubtzoff 1955-5-21 1865 Sonoma Forestville Marsh Comment
  UC1023582  Hordeum marinum subsp. gussoneanum Virginia Bufford 1936-5-19 264 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  CAS-BOT-BC282022  Hordeum murinum subsp. leporinum Peter Rubtzoff 1959-6-6 4100 Sonoma Willow Crane Marsh Comment
  UC1011010  Hordeum vulgare Virginia Bufford 1935-4-23 22 Sonoma back of barn (Santa Rosa); Santa Rosa Comment
  POM35453  Horkelia californica A. A. Heller 1902-6-27 5783 Sonoma West of Windsor near Russian river. Comment
  UC116850  Horkelia californica Alice Eastwood 1900-7-4 Sonoma Bodega Bay Comment
  POM180622  Horkelia californica J. T. Howell 1930-6-8 5279 Sonoma Hillside overlooking the ocean, 8 miles N of Bodega Bay Comment
  CAS-BOT-BC146522  Horkelia tenuiloba John Thomas Howell 1955-6-2 30258 Sonoma Near Vine Hill School Comment
  UC525518  Horkelia tenuiloba Ethel Crum 1931-5-8 1091 Sonoma near Sebastopol 60 Comment
  SD88314  Hosackia gracilis Darley F. Howe 1972-5-4 Sonoma 6.0 miles east of Highway 1 on road to Annapolis. Comment
  UCD106029  Hosackia gracilis G. F. Pratt; C. Pierce 2003-5-15 s.n. Sonoma North Coast: Salt Point State Park. 30 Comment
  CDA38357  Hydrocotyle ranunculoides D. E. Bayer 1960-9-29 s.n. Sonoma Santa Rosa City disposal plant. 0 Comment
  UCD110316  Hypericum calycinum Frederica Bowcutt 1984-6-24 463 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma county coast. Old home site near existing barn just of park road. Northwest of Gerstle Cove approx. 1/2 mile. 30 Comment
  UCD110361  Hypericum concinnum E. Frost 1996-5-26 22 Sonoma Mt. St. Helena, 180 yards in along hiking trail. 609 Comment
  CAS-BOT-BC410821  Hypericum concinnum Peter Rubtzoff 1952-6-1 1137 Sonoma Petrified Forest, 5 mi. W of Calistoga Comment
  CAS-BOT-BC410823  Hypericum concinnum F. G. Krauss 1894-5-1 s.n. Sonoma Mountains W of Calistoga Comment
  UCD110355  Hypericum concinnum Frederica Bowcutt 1994-6-24 1884 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Lower Bald Mountain Trail. 396 Comment
  CAS-BOT-BC401323  Hypericum scouleri Peter Rubtzoff 1951-6-30 292 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC316678  Hypochaeris glabra Peter Rubtzoff 1952-5-31 1101 Sonoma Upper Marsh Comment
  UCR56082  Iris douglasiana Fran Sibel 1965-5-28 328 Sonoma North Coast, along Gualala River off Hwy 1 and east toward Anapolis 152 Comment
  UCD138709  Iris douglasiana R. H. Miller 1949-4-6 15 Sonoma along coast Highway 1, about 5 miles south of Jenner/ Comment
  UCD160311  Iris fernaldii James A. Neilson Jr. 1975-5-23 3211 Sonoma Truit Creek at Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  RSA135812  Iris fernaldii E. K. Balls 1957-5-27 22620 Sonoma Mt. St. Helena, 7.5 miles south of Lake-Sonoma County line 335 Comment
  UC896986  Iris macrosiphon Alice Eastwood 1918-5-1 6822 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC376228  Isoetes Greg de Nevers 1993-3-7 10318 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Above Double Ponds spring 304 Comment
  CAS-BOT-BC164686  Isoetes Peter Rubtzoff 1971-9-30 6714 Sonoma Spring Creek Reservoir area. Comment
  RSA784488  Isoetes Peter Rubtzoff 1969-5-24 6058 Sonoma 6.5 miles SE of Penngrove, on Lichan Road. 427 Comment
  UCD150145  Isoetes howellii 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
  CAS-BOT-BC61916  Isoetes nuttallii John Thomas Howell 1937-6-6 13028 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC61921  Isoetes nuttallii J. Clausen 1935-5-24 1078 Sonoma Adobe Canyon along Sonoma Creek Comment
  CAS-BOT-BC112412  Isolepis carinata John Thomas Howell 1957-6-13 32620 Sonoma Pitkin Marsh Comment
  RSA91469  Isolepis carinata J. T. Howell 1937-6-6 13027 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC112578  Isolepis cernua Catherine Best 1985-5-15 1087 Sonoma Duncan Mills Comment
  SD58355  Isolepis cernua W. L. Jepson 1931-7-19 15945 Sonoma Sea-bluffs, just north of Salmon Creek. (IPB 11/07) Comment
  CAS-BOT-BC340230  Jaumea carnosa W. M. Hiesey 1948-8-19 s.n. Sonoma 0.2 mi. north of Pigeon Point Lighthouse Comment
  RSA0011155  Juglans Peter Rubtzoff 1970-8-31 6348 Sonoma 5.5 miles east of Guerneville, along Russian River at Forest Hills. Comment
  RSA790005  Juncus Walter Knight, I. Knight 1968-1-1 2266 Sonoma Geyser Resort. Along geyser trail at creek edge. Comment
  UCD166091  Juncus balticus subsp. ater Peter Rubtzoff 1971-7-9 6595 Sonoma Five miles north of Sears Point. Comment
  UC1601709  Juncus bolanderi F. T. Bioletti 1893-5-27 718 Sonoma Glen Ellen Comment
  CDA18031  Juncus bolanderi R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena Spring. NW side. 0 Comment
  UC1057463  Juncus bufonius G. Thomas Robbins 1937-5-23 195 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region) Comment
  SEINET10533021  Juncus bufonius Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7082 Sonoma On n-facing grassy clay bank, .6 mile w of sonoma-napa co. Line on hwy. 121. 61 Comment
  UCD55072  Juncus capitatus Ellen Dean; Tammie Beyerl 2006-4-28 3016 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  UCD141419  Juncus capitatus Frederica Bowcutt 1984-6-23 431 b Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. Immed. SW of park entrance, W of Hwy 1 and NW of Gerstle Cove. 30 Comment
  UCR244512  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5907 Sonoma Lichau Marsh [5 miles northeast of Penngrove on Lichau Road] 220 Comment
  CAS-BOT-BC157985  Juncus effusus subsp. pacificus Peter Rubtzoff 1964-8-26 5479 Sonoma Marsh 5 miles NE of Penngrove on Lichan Road 213 Comment
  CAS-BOT-BC164035  Juncus hesperius Peter Rubtzoff 1968-7-13 5919 Sonoma Sonoma: upper Salmon Creek Marsh Comment
  SD99413  Juncus hesperius Christopher Davidson 1977-6-20 6035 Sonoma Ridge Crest Road, on Sea Ranch property, south of Gualala River. Deep shade on slight slope north toward small stream. 29 Comment
  CAS-BOT-BC322119  Juncus lescurii Peter Rubtzoff 1954-8-3 1647 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC328116  Juncus lescurii Peter Rubtzoff 1954-8-9 1663 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC182748  Juncus occidentalis Peter Rubtzoff 1974-5-18 7413 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road Comment
  JEPS67108  Juncus occidentalis W. L. Jepson 1921-6-2 9299 Sonoma w of Windsor Comment
  UC143749  Juncus occidentalis A. A. Heller 1902-6-2 5634 Sonoma Santa Rosa Comment
  UCD165134  Juncus occidentalis Peter Rubtzoff 1974-5-18 7413 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA368303  Juncus oxymeris Christopher Davidson 1977-6-17 5882 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  JEPS73357  Juncus phaeocephalus Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 742 Sonoma 1 mi w Two Rock Junction Comment
  UCD164186  Juncus phaeocephalus Peter Rubtzoff; Nancy Harrison 1978-6-11 9204 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CDA39261  Juncus phaeocephalus T. C. Fuller & D. L. Bristow 1957-12-17 s.n. Sonoma Horn Ave., south of Santa Rosa. 0 Comment
  RSA94015  Juncus phaeocephalus var. phaeocephalus Peter Rubtzoff 1951-7-21 509 Sonoma Pitkin Marsh, near Forestville; Between the Upper and the Lower marshes. Comment
  UCD142833  Juncus xiphioides Frederica Bowcutt 1994-7-5 1936 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 30 feet, 70 ft. S of campfire center along N edge of Sonoma Creek, N and E of campground just N of bridge to campfire center. 381 Comment
  RSA247442  Kickxia elatine Peter Rubtzoff 1959-6-20 4158 Sonoma Willow Creek Marsh. Willow Creek. Comment
  CDA2757  Kniphofia uvaria Greg de Nevers 1981-11-2 1882 Sonoma Pepperwood Ranch. 10 miles northeast of Santa Rosa, near Mark West Lodge. Along a creek, 1/2 mile downstream of Ranch House. 0 Comment
  LA11969  Koeleria macrantha Joseph Andorfer Ewan; 1935-5-13 9246 Sonoma near Wright School on Sebastopol road Comment
  UCD86025  Koeleria macrantha Beecher Crampton 1957-7-22 4396 Sonoma 1/4 mile north of Fort Ross, State Hwy. 1. Comment
  UCR254875  Koeleria macrantha Peter Rubtzoff 1964-6-6 5357 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg 61 Comment
  UC1019891  Koeleria macrantha Milo S. Baker June 1945 10923 Sonoma opposite house at Maplewood Adobe Canyon Comment
  CAS-BOT-BC376338  Lactuca Greg de Nevers 1997-8-17 11076 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  CAS-BOT-BC340488  Lactuca saligna Walter Knight; Irja Knight; J. T. H. 1984-9-26 5231 Sonoma 4.9 mi. up Cavedale Rd. Comment
  UCD133518  Lactuca saligna Freed W. Hoffman 1946-8-23 797 Sonoma Lone Mountain Farm, near Guerneville. North Coast Range. Comment
  CAS-BOT-BC341708  Lagophylla ramosissima G. DeNevers 1981-6-26 1667 B Sonoma Pepperwood Ranch. In Garrison Canyon Comment
  CAS-BOT-BC274317  Lagurus ovatus Catherine Best 1984-6-11 973 B Sonoma At Goat Rock Park Comment
  UCD63266  Lagurus ovatus Chris Bowen 1974-5-18 121 Sonoma Sea Ranch, near Whalers' Ranch, near State Highway 1, Unit 7 Owners' Map. Comment
  UCR2505  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Stewart's ('Steward') Point 30 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
  CAS-BOT-BC164354  Lamiaceae Peter Rubtzoff 1954-8-11 1684 Sonoma Guerneville Marsh. Comment
  HSC93490  Lamium purpureum G. Fred Hrusa, R. Gross 1993-3-14 10528 Sonoma NW base of Mt. St. Helena, 10 mi. N of Calistoga on Hwy. 128 107 Comment
  JEPS86317  Lasthenia burkei Jack and Betty Guggolz 1988-5-10 931 Sonoma on e side Old Redwood Hwy. (just n of its intersection with Starr Road, Grill property) Comment
  UC1594206  Lasthenia burkei L. Huntington 1990-5-4 256 Sonoma n side of Laguna de Santa Rosa; Sebastapol 18 Comment
  JEPS86321  Lasthenia burkei Jack and Betty Guggolz 1988-4-14 914 Sonoma Comment
  CAS-BOT-BC346330  Lasthenia californica G. DeNevers 1981-4-16 729 Sonoma Pepperwood Ranch, by Studio Comment
  CAS-BOT-BC346335  Lasthenia californica Dorothy Scherer 1997-4-15 085 Sonoma South of Kolmer Gulch and ca. 400 ft. east of Hwy One, Fort Ross State Historic Park 91 Comment
  CAS-BOT-BC324932  Lasthenia californica subsp. bakeri A. A. Heller 1938-5-14 15086 Sonoma East of Bodega Bay Comment
  JEPS15071  Lasthenia californica subsp. californica A. A. Heller and H. E. Brown 1902-4-15 Sonoma Santa Rosa Creek Comment
  JEPS9909  Lasthenia californica subsp. californica Alice Eastwood 1899-6-1 Sonoma Comment
  CAS-BOT-BC324412  Lasthenia californica subsp. macrantha Paul F. Covel 1938-7-11 1426 Sonoma Near Salmon Beach Comment
  LA102440  Lasthenia californica subsp. macrantha John C. Roos; 1950-7-22 4867 Sonoma Jenner 30 Comment
  CAS-BOT-BC355518  Lasthenia glaberrima Peter H. Raven 1963-4-28 18254 Sonoma 4.7 miles south of El Verano on Arnold Drive Comment
  SBBG7773  Lasthenia macrantha subsp. macrantha H. and M. Dearing 1939-5-14 3366 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  CAS-BOT-BC370895  Lasthenia minor Alice Eastwood 1915-6-29 4838 Sonoma Bodega Point Comment
  CAS-BOT-BC370899  Lasthenia minor Peter Rubtzoff 1960-5-18 4376 Sonoma Bodega Head Marsh. Comment
  UCD164991  Lathyrus Peter Rubtzoff 1974-9-7 7862 Sonoma Hinebaugh Creek, Rohnert Park; west of Commerce Blvd. crossing. Comment
  CDA14415  Lathyrus cicera D. Joley 1995-5-13 Sonoma Sugarloaf Ridge State Park. 0 Comment
  UCD106204  Lathyrus cicera Botany 102 Students 1993-5-8 252 Sonoma N of Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Bald Mountain Trailhead parking. About 1 air mile S of Red Mountain, just N of Sonoma Creek. Comment
  UCD106205  Lathyrus cicera Botany 102 Students 1994-6-12 1843 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  CAS-BOT-BC204994  Lathyrus jepsonii var. californicus Alice Eastwood; John Thomas Howell 1938-5-15 5506 Sonoma Near Mark West Springs Comment
  UC699623  Lathyrus littoralis F. W. Hoffman 1943-6-7 Sonoma Guerneville Comment
  SD254612  Lathyrus vestitus Ann Howald 2015-4-1 3333 Sonoma North Coast Ranges; Stewarts Point-Skaggs Springs Rd. 16.7 miles west of intersection with Rockpile Rd., Wolf Creek drainage. 294 Comment
  UCD167407  Lathyrus vestitus James Neilson 1977-3-25 3850 Sonoma Mayacmas Mountains, Pine Flat Rd ca. 2 miles south of PG and E storage yard at Pine Flat. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CDA27145  Lathyrus vestitus var. ochropetalus G. D. Barbe 1982-5-27 3622 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment
  UCD106547  Lathyrus vestitus var. ochropetalus Patti Togioka; Rimy Waraich, and Erik Beever 1993-5-8 233 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 365 Comment
  SD134005  Lathyrus vestitus var. vestitus Greg de Nevers 1987-1-29 8124 Sonoma Santa Rosa, Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road 99 Comment
  UC15369  Lathyrus vestitus var. vestitus Harley P. Chandler 1900-5-25 701 Sonoma Bodega Bay Comment
  CAS-BOT-BC323229  Layia chrysanthemoides David D. Keck 1931-4-1 992 Sonoma 2 miles N of Sears Point (9 miles S of Sonoma), southern Sonoma County. 10 Comment
  CAS-BOT-BC323236  Layia chrysanthemoides John Thomas Howell 1931-4-18 6426 Sonoma 8 miles N of Bay Comment
  CAS-BOT-BC323253  Layia chrysanthemoides Wayne Roderick 1967-5-7 s.n. Sonoma 2 miles E of Petaluma 15 Comment
  RSA785926  Layia chrysanthemoides Peter Rubtzoff 1969-5-11 6044 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  CAS-BOT-BC313745  Layia chrysanthemoides subsp. maritima J. Clausen 1935-5-24 1090 Sonoma 6.2 miles S of Jenner Comment
  SEINET7545196  Layia chrysanthemoides subsp. maritima J. Clausen 1935-1 1090 Sonoma 6.2 miles S of Jenner, coastal bluffs at a little bay Comment
  CAS-BOT-BC379619  Layia platyglossa A. A. Heller 1903-4-23 6608 Sonoma Fort Ross Comment
  POM53343  Layia platyglossa subsp. campestris H. E. Brown, A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood. Comment
  CAS-BOT-BC329305  Layia septentrionalis H. E. Brown; A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood Comment
  UC1084446  Ledum glandulosum G. Thomas Robbins 1937-5-23 203 Sonoma about 10 mi w of Santa Rosa (on Pitkin Ranch); Vine Hill region, Pitkin Ranch Comment
  UC1120990  Ledum glandulosum H. S. Yates 1936-5-16 5592 Sonoma 2 mi se of Forestville 30 Comment
  UC770650  Ledum glandulosum R. H. Neuns 1948-8-30 26 Sonoma 2 1/2 mi se of Gualala 182 Comment
  UC1106279  Lemna gibba John Thomas Howell 1946-9-20 23028 Sonoma near Twin Rocks (Two Rock (acc. map)); Two Rock Comment
  UCD148506  Lemna gibba Peter Rubtzoff 1965-11-9 5666 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC534368  Lemna minor Greg de Nevers 1992-6-26 10205 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road along Franz Creek 91 Comment
  RSA0025207  Lemna perpusilla Peter Rubtzoff 1961-8-24 4709 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  CAS-BOT-BC339165  Leontodon saxatilis subsp. saxatilis Peter Rubtzoff 1951-7-8 394 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC339169  Leontodon saxatilis subsp. saxatilis John Thomas Howell 1945-7-18 21323 Sonoma Pitkin Marsh Comment
  SEINET12320777  Lepechinia calycina W. Knight, Knight, I. 1981-1 3987 Sonoma 5.6 mi up Cavedale Road from junction of Rt. 12 Comment
  CAS-BOT-BC12972  Lepidium strictum Catherine Best 1987-3-28 1237 Sonoma Bodega Head. Comment
  UC1034634  Lepidium strictum Milo S. Baker 1955-6-1 13044 Sonoma Humboldt St. near 5th Santa Rosa Comment
  RSA0057965  Leptochloa fascicularis Greg de Nevers 1997-9-22 11089 Sonoma Pepprwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction. 100 Comment
  CAS-BOT-BC273993  Leptochloa fusca subsp. fascicularis John Thomas Howell 1957-9-26 32978 Sonoma Sandy Russian River bottom near Guerneville Comment
  RSA54040  Leptosiphon acicularis J. T. Howell 1948-4-18 s.n. Sonoma Hills east of Agua Caliente. Comment
  CHSC23086  Leptosiphon androsaceus Robert A. Schlising 1962-3-31 2128 Sonoma Coast Ranges. Ca 2 mi NE of Kenwood along road into Sugarloaf Ridge. Comment
  JEPS117075  Leptosiphon androsaceus Peter Warner 2010-5-6 144 Sonoma Annadel State Park, in grassland along Canyon Trail, ~750 m W of junction with Marsh Trail, ~950 m W of dam at Lake Ilsanjo Comment
  CDA39790  Lessingia arachnoidea Peter Warner 2013-8-2 298 Sonoma Bohemian Highway, ~ 3 km north-northwest of Camp Meeker, just south of sharp west bend in road, in roadside turnout above Dutch Bill Creek. Comment
  CAS-BOT-BC342011  Lessingia ramulosa John Thomas Howell 1926-11-14 2250 Sonoma Hills south-east of Santa Rosa 83 Comment
  RSA796226  Leucanthemum vulgare Peter Rubtzoff 1970-9-3 6369 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UCR255049  Leucanthemum vulgare Greg de Nevers 1998-5-20 11253 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD61337  Leymus californicus Collector Unknown 1942-5-23 10198 Sonoma 2.5 miles W of Bodega town, turning right in town. Comment
  CAS-BOT-BC371401  Ligusticum apiifolium Greg de Nevers 1998-7-15 11294 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, just upstream of bridge at Mark West Lodge 400 Comment
  UC1187708  Ligusticum apiifolium Tracey and Viola Call 1961-6-10 2070 Sonoma 1 mi.n. Kruse Rhododendron State Park 60 Comment
  CAS-BOT-BC451705  Lilaea scilloides Greg de Nevers 1992-5-5 10142 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  RSA216145  Lilaea scilloides Peter Rubtzoff 1961-5-24 4605 Sonoma Upper Stemple Creek Marsh. Comment
  CAS-BOT-BC451692  Lilaea scilloides Peter Rubtzoff 1951-6-16 221 Sonoma Pitkin Marsh, near Forestville. Just north of the Lower Marsh. Comment
  CAS-BOT-BC451709  Lilaea scilloides Peter Rubtzoff 1955-5-7 1815 Sonoma Ross Marsh. Comment
  CAS-BOT-BC451716  Lilaea scilloides Walter Knight; Irja Knight 1967-5-1 2062 Sonoma 2 mi. W. of Graton on Graton Road. Comment
  RSA276592  Lilaeopsis occidentalis Lincoln Constance 3880 Sonoma Sonoma County: Shallow water with Salix Bodega Bay Comment
  CAS-BOT-BC130829  Lilium pardalinum Peter Rubtzoff 1951-7-21 498 Sonoma Northern half of Lower Marsh Comment
  RSA215898  Limnanthes douglasii Peter Rubtzoff 1955-5-21 1875 Sonoma Ross Marsh. Comment
  POM126412  Limnanthes douglasii subsp. douglasii I. J. Condit 1913-3-7 s.n. Sonoma Petaluma Comment
  RSA178016  Limnanthes douglasii subsp. douglasii Robert F. Thorne 1965-4-19 34274 a Sonoma Titus Ranch, Valley Ford. 18 Comment
  SEINET5586467  Limnanthes douglasii var. nivea Paul But 1975-1 990 Sonoma Western end of Sebastopol city limit. Comment
  CAS-BOT-BC123078  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Rd., 1.4 mi from Hwy 116 and 0.6 mi. from Llano Rd. 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
  UCD150131  Limnanthes vinculans 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
  CAS-BOT-BC249322  Limosella Peter Rubtzoff 1964-8-20 5469 Sonoma 1 mile southeast of Jenner (near crossing of Hwys. 1 & 12). Comment
  CAS-BOT-BC258915  Limosella Peter Rubtzoff 1970-8-18 6310 Sonoma 5 miles north of Sears Point. Comment
  RSA800897  Limosella acaulis Peter Rubtzoff 1970-9-16 6220 Sonoma 5 miles north of Sears Point. Comment
  SEINET7075496  Linanthus ciliatus A. G. Vestal 1955-5-8 s.n. Sonoma Valley of the Moon south of Kenwood. 38? deg. 23' 26" North Latitude, -122? deg. 31' 35" West Longitude. UTM Zone 10, 541365mE, 4249039mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  UCD110609  Linum usitatissimum P. B. Kennedy 1929-5-25 s.n. Sonoma Frick ranch, Del Mar, near Gualala. Comment
  SEINET8981358  Lithocarpus densiflorus L. Fallon 1939-1-2 s.n. Sonoma 15 miles west of Santa Rosa Comment
  CAS-BOT-BC36013  Lithocarpus densiflorus var. densiflorus Peter Rubtzoff 1953-5-17 1388 Sonoma South of Guerneville (Neeley Hill area) Comment
  POM142576  Lithophragma heterophyllum A. A. Heller, H. E. Brown 1902-4-4 5220 Sonoma Hills near Santa Rosa. Comment
  SEINET12216914  Lithophragma heterophyllum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -204 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 440 Comment
  UC581119  Logfia filaginoides H. L. Mason 1934-4-28 8092 Sonoma Jensen's Ranch Dohrmann Creek Comment
  UC38792  Lolium multiflorum A. M. Coomes 1896-6-20 Sonoma Cloverdale Comment
  UC573666  Lolium multiflorum H. S. Yates 1936-5-16 5581 Sonoma 1 mi ne Graton; Sebastopol Quadrangle Comment
  UC140572  Lomatium californicum C. F. Baker 1903-4-20 2602 Sonoma Mt. St. Helena Comment
  CHSC114316  Lomatium dasycarpum D. G. Kelch; A. G. Murdock, Ben Carter 2007-5-13 07 .271 Sonoma Cavedale Rd. 518 Comment
  UC1123039  Lomatium nudicaule H. S. Yates 1934-4-22 3857 Sonoma 2 mi. s. Mark West; Calistoga Quad. Comment
  CAS-BOT-BC217812  Lomatium repostum Alice Eastwood; John Thomas Howell 1940-5-5 7862 Sonoma Rincon Ridge near Santa Rosa Comment
  UC1076677  Lomatium utriculatum C. Ritchie Bell 1952-3-19 1247 Sonoma top of Larksur Rock Bodega; , Larkspur Rock Comment
  UCD127806  Lomatium utriculatum Gerry North 1993-3 33 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At lower camping area. 50 meters east of foot bridge, across from dumpster. 365 Comment
  CAS-BOT-BC240645  Lonicera hispidula Walter Knight; Irja Knight 1963-9-15 294 Sonoma Los Alamos Rd., Santa Rosa Comment
  UCD137325  Lonicera hispidula C. Wistrom 1996-5-26 27 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  UCD35660  Lonicera hispidula Beecher Crampton 1959-6-16 5397 Sonoma 1 mile northeast of Freestone. Comment
  CAS-BOT-BC240649  Lonicera hispidula Mary P. Wells 1985-6-14 518 Sonoma Sea Ridge Road, north of Pilots Reach, The Sea Ranch Comment
  UC28524  Lonicera hispidula var. vacillans J. Burtt Davy Aug. 1896 4140 Sonoma Russian River Comment
  CAS-BOT-BC244005  Lonicera involucrata var. ledebourii F. H. Utech; Walter Knight; Irja Knight 1984-4-17 84 -148 Sonoma Bridgehaven (village), near junction of Willow Creek Road and CA Hwy 1 along Russian River 36 Comment
  CAS-BOT-BC244009  Lonicera involucrata var. ledebourii Peter Rubtzoff 1964-6-3 5345 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC243996  Lonicera involucrata var. ledebourii H. E. McMinn 1922-6-6 163 Sonoma Along stream in So. Sonoma Co., S. of Occidental Comment
  CAS-BOT-BC294700  Lotus Peter Rubtzoff 1971-6-26 6575 Sonoma Willow Creek Marsh. Comment
  UCD106699  Lotus angustissimus Beecher Crampton 1955-6-17 2967 Sonoma State Hwy 1, Fort Ross. Comment
  SEINET4982902  Lotus formosissimus Unknown 1994-4-3 77 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; Hwy 1 Comment
  UC196927  Lotus formosissimus P. B. Kennedy Jun 1915 Sonoma Del Mar, n Sonoma Co. Del Mar Comment
  SEINET6932526  Lotus heermannii Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head, at middle of the peninsula. Comment
  UC864836  Lotus micranthus Lewis S. Rose 1940-5-5 40265 Sonoma Sonoma Creek Canyon 304 Comment
  CDA31006  Lotus purshianus D. G. Kelch, Troy McGregor 2010-8-22 10 .357 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  UC864759  Lotus purshianus var. purshianus Lewis S. Rose 1938-9-11 38255 Sonoma Bloomfield 30 Comment
  JEPS55883  Lotus stipularis var. stipularis F. T. Bioletti 1893-6-7 Sonoma Hood Peak Comment
  UC750814  Lotus stipularis var. stipularis Charles B. Heiser Jr. 1946-5-19 1738 Sonoma w of Santa Rosa; Vine Hill Comment
  RSA568520  Lotus unifoliolatus H. L. Bauer 350 Sonoma Big Basin Comment
Read comments
Sep 18 2012
  UCD66044  Ludwigia hexapetala B. J. Grewell 2005-10-3 05- 27 -LU Sonoma Lake Wilson, Sonoma County Riverfront Park sw of Windsor, Eastside Road. 16 Comment
  UCD66048  Ludwigia hexapetala B. J. Grewell; Keenan Foster 2005-9-14 05- 18 -LU Sonoma Russian River at Cloverdale Airport. 79 Comment
  CAS-BOT-BC251195  Ludwigia palustris Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7800 Sonoma Kenwood Marsh. Comment
  UCR244610  Ludwigia palustris Peter Rubtzoff 1966-6-26 5763 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  UCR280189  Ludwigia palustris Peter Rubtzoff 1958-8-9 3858 Sonoma Laguna de Santa Rosa, north of Sebastopol, near Occidental Road 20 Comment
  CAS-BOT-BC272850  Ludwigia palustris Peter Rubtzoff 1954-8-12 1698 Sonoma Bennett Mountain Lake. Comment
  POM312607  Ludwigia palustris var. pacifica H. L. Mason 1946-7-4 12886 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  SEINET7067330 Image available Lupinus A. G. Vestal 1947-5-16 s.n. Sonoma About 8.2 miles East of Windsor on Mendocino Avenue [in Santa Rosa]. Coordinate datum: NAD27. UTM Zone 10, 524713mE, 4255867mN. Comment
  RSA0023079  Lupinus Peter Rubtzoff 1974-6-22 7624 Sonoma Todd Road, 1.5 miles from Highway 116 and 0.5 miles from (west of) Llano Road. Comment
  SEINET7042675 Image available Lupinus A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UCD21133  Lupinus Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 308 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD004. UTMs 10S0519470; 4248711. Comment
  SEINET10488444  Lupinus albifrons Joseph W. Congdon 1880-5-16 Congdon s.n. Sonoma Above Sebastopol. Comment
  CAS-BOT-BC195977  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-27 48165 Sonoma Junction Melitta-Mark West-Petrified Forest roads. Petrified Forest, junction Comment
  JEPS77262  Lupinus albifrons var. albifrons Robert M. Lloyd 1963-4-24 2399 Sonoma 16.5 mi from State Hwy. 12 on road to Oakdale 274 Comment
  CAS-BOT-BC196043  Lupinus albifrons var. collinus A. A. Heller; H. E. Brown 1902-3-27 5162 Sonoma Western base of Mt. Hood Comment
  SEINET10484536  Lupinus albifrons var. collinus Joseph W. Congdon 1880-5-30 Congdon s.n. Sonoma Petaluma, CA. Comment
  CAS-BOT-BC196461  Lupinus arboreus Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma South end of Russian River Bridge on highway 1 Comment
  UCD106631  Lupinus arboreus P. B. Kennedy 1915-5-28 15 Sonoma Del Mar. Comment
  CDA36849  Lupinus bicolor 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
  CHSC33094  Lupinus bicolor Jane A. Rogers 1979-4-14 4 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/2 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. 27 Comment
  UC15936  Lupinus bicolor W. H. Brewer 1862-4-17 982 Sonoma near Sonoma (Sonoma Valley) Comment
  HSC14968  Lupinus densiflorus var. palustris H. E. Parks, S. T. Parks 1930-5-9 600 Sonoma West end of Knights Valley 152 Comment
  CDA36845  Lupinus formosus 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
  POM212105  Lupinus formosus var. formosus Carl B. Wolf 1931-8-23 2345 Sonoma Along Redwood Highway, 1 mile south of Cloverdale. 91 Comment
  UC157006  Lupinus formosus var. formosus H. P. Chandler 1907-4-21 7521 Sonoma road from Glen Ellen to Oakville 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
  UCD108123  Lupinus latifolius Freed W. Hoffman 1947-4-3 886 Sonoma Road to Austin Ranch, near Guerneville. Comment
  UCD108132  Lupinus latifolius Christine Lee 1993-4-24 95 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa; south of Sonoma Creek along Hillside Trail. 396 Comment
  UC727104  Lupinus microcarpus var. microcarpus A. A. Heller 1940-5-17 15635 Sonoma along State Highway #1, one mi e Valley Ford; e of Valley Ford Comment
  UC931976  Lupinus microcarpus var. microcarpus Verne Grant, Alva Grant 1947-5-4 7951 Sonoma on highway to Sebastopol 4 mi e Bodega Bay; e of Bodega Bay Comment
  SDSU4969  Lupinus microcarpus var. microcarpus D. F. Howe 1966-6-2 4263 Sonoma 0.5 miles south of Bodega Bay. Comment
  SEINET13184149 Image available Lupinus nanus A. G. Vestal 1955-5-7 s.n. Sonoma Comment
  UCD109068  Lupinus nanus Freed W. Hoffman 1947-4-7 1358 Sonoma Chalk Hill Road. Comment
  CAS-BOT-BC311855  Lupinus nanus subsp. latifolius Peter Rubtzoff 1954-9-4 1724 Sonoma Bodega Head Marsh. Comment
  RSA87076  Lupinus nanus var. apricus F. W. Peirson, Mabel B. Peirson 1926-4-1 6545 Sonoma 4 miles north of Ignacio. Comment
  UC73201  Lupinus pachylobus Milo S. Baker 1898-4-20 631 Sonoma Taylor Mt. Comment
  SEINET10838282  Lupinus polycarpus Charles R. Gunn 1963-6-1 Gunn 2663 Sonoma U.s. Hwy. 101 Roadside at gyer summit mainainence station. Growing with avena Barbata and other legumes. Comment
  SEINET7040132 Image available Lupinus polycarpus A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  SEINET11091467 Image available Lupinus sericatus John Thomas Howell 1935-5-5 3672 Sonoma Near summit of Triniti P.O Road, Mt. Hood Range, Sonoma co Comment
  POM276546  Lupinus variicolor Rimo Bacigalupi 1928-6-18 1895 Sonoma Beach at the mouth of Salmon Creek 2 miles north of Bodega Bay. Comment
  RSA0070026  Lupinus variicolor Daisie Huang 2006-5-30 06053015 Sonoma Bodega Marine Laboratory. Coastal bluff near building. (waypt 30D). 2 Comment
  JEPS128351  Luzula parviflora Roger Raiche 2000-4-15 037 .00 Sonoma The Cedars. Azalea Creek, The Blob area, Beargrass Gulch. Lower Russian River, Big Austin Creek watershed. Comment
  UCD161671  Luzula subsessilis James A. Neilson Jr. 1974-4-30 2724 Sonoma Mayacmas Mountains. The Geysers. Bruno # 1. (Exact location of Bruno #1 not known by label-maker, but according to Neilson, it is west of Geysers Resort on a north-facing slope near a stream. In the Mayacmas Flora, he indicates it is near 'Old Mercuryville,' which is different than the Mercuryville seen on maps; location and elevation estimated by label-maker) 441 Comment
  UCD103035  Lythrum hyssopifolia Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-28 81 Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  RSA0015995  Lythrum hyssopifolia Peter Rubtzoff 1956-9-15 2904 Sonoma Atascadero Creek Marsh. Comment
  CDA19164  Lythrum salicaria D. Pendleton 2000-8-1 PDR 057088 Sonoma North Coast Ranges; Along Russian River bank, at Casini Ranch, Duncans Mills. 0 Comment
  CDA19168  Lythrum salicaria S. Opbroek 2000-7-5 PDR 038246 Sonoma North Coast Ranges; Along Hwy 116, Sebastopol. 0 Comment
  RSA0016032  Lythrum tribracteatum Peter Rubtzoff 1970-8-18 6308 Sonoma Five miles north of Sears Point. Comment
  RSA785160  Madia Peter Rubtzoff, H. A. Froebe 1971-5-30 6457 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive Comment
  UCD164595  Madia Peter Rubtzoff 1975-8-28 8361 Sonoma Kenwood Marsh. Comment
  UCD160118  Madia anomala James A. Neilson Jr. 1973-6-3 3163 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-BC342622  Madia anomala G. DeNevers 1981-5-7 996 Sonoma Pepperwood Ranch. Along the Studio Road Comment
  CAS-BOT-BC344043  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi. N. of Occidental Comment
  JEPS12584  Madia elegans Eleanor Armstrong June 1932 509 Sonoma hill below St. Dorothy's (near Camp Meeker) 121 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
  JEPS82109  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
  UC1301040  Madia exigua Helen K. Sharsmith 1963-5-25 5476 Sonoma road from Freestone to Occidental 121 Comment
  CAS-BOT-BC166723  Madia gracilis Peter Rubtzoff 1962-6-13 4894 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC343453  Madia gracilis John Thomas Howell 1937-7-4 13066 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC343457  Madia gracilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53968 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC343461  Madia gracilis L. R. Abrams 1916-7-4 5791 Sonoma Road between Petrified Forest and Mark West Comment
  UCR218636  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2010-6-4 16225 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  CAS-BOT-BC343467  Madia gracilis G. DeNevers 1981-5-30 1341 Sonoma Pepperwood Ranch. In creekbed N of Hansel's corral Comment
  SEINET11810612  Madia gracilis Unknown 1936-1 13111 Sonoma near Healdsburg Comment
  POM362235  Madia nutans P. H. Raven 1965-5-16 20216 Sonoma Near Frantz District School Comment
  CAS-BOT-BC345204  Madia sativa John Thomas Howell 1930-6-8 5264 Sonoma 1 mile east of Bodega Bay Comment
  POM56169  Madia sativa A. A. Heller 1902-6-10 5683 Sonoma Santa Rosa Comment
  UC517527  Madia sativa John Thomas Howell 1932-9-17 10764 Sonoma near Kenwood Comment
  CAS-BOT-BC345211  Madia sativa D. E. Breedlove 1961-12-31 1445 Sonoma At S side of mouth of Russian River 6 Comment
  CAS-BOT-BC345217  Madia sativa H. M. Hall 1916-7-23 10244 Sonoma Near Petaluma Comment
  POM53567  Madia sativa A. A. Heller 1902-8-18 6050 Sonoma Santa Rosa. Comment
  UCSB15481  Madia sativa Breedlove, Dennis 1961-12-31 Sonoma At S side of mouth of Russian River 6 Comment
  SD88309  Maianthemum racemosum subsp. amplexicaule Darley F. Howe 1972-5-2 Sonoma Trail above Duncan Mills Road. Comment
  UCD107655  Marah fabacea Lewis S. Rose 1962-4-18 62026 Sonoma Laguna de Santa Rosa, 2 mi. ne. of Graton. 30 Comment
  CAS-BOT-BC348213  Matricaria discoidea Peter H. Raven 1950-4-6 1578 Sonoma Cotati to Santa Rosa 152 Comment
  RSA786861  Matricaria matricarioides Carrie A. Herd 1982-5-4 87 Sonoma Rohnert Park, C.S.U. Sonoma, between dorm parking lot and bicycle path Comment
  RSA800063  Medicago lupulina Peter Rubtzoff 1969-6-22 6102 Sonoma Forest Hills, 5.5 mi east of Guerneville at 9981 Old River Road. 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
  CAS-BOT-BC269515  Melica californica John Thomas Howell 1934-3-26 11791 Sonoma 12 miles from Calistoga on Alexander Valley road Comment
  UCD87213  Melica californica R. Tofsrud 1941-4-1 292 Sonoma Between County Hosp. and S.R. Comment
  CAS-BOT-BC281286  Melica geyeri J. W. Congdon 1892-3-29 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC383038  Melica geyeri Greg de Nevers 1989-4-1 9057 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  JEPS78715  Melica geyeri Edward Lee 1936-6-8 2223 Sonoma Bohemian Grove; grounds near entrance Comment
  UCD87312  Melica geyeri Virginia Bufford 1936-5-21 368 Sonoma Near Skaggs Springs. Comment
  SACT001511  Melica geyeri M. Wiesendanger 1927-5-5 Sonoma Comment
  UCD87388  Melica harfordii B. Crampton 1955-6-17 2927 Sonoma 1.6 miles west of Forestville. Comment
  UCD88631  Melica subulata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC262550  Melica torreyana John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54695 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC262565  Melica torreyana A. A. Heller 1902-3-27 5160 Sonoma Western base of Mt. Hood Comment
  UCD88825  Melica torreyana Virginia Bufford 1936-5-1 184 Sonoma Near Monte Rio. Comment
  UCD89219  Melica torreyana H. S. Yates 1936-5-16 5616 Sonoma California Forest and Range Experiment Station. 3 miles N.W. of Camp Meeker. 60 Comment
  SEINET10599670  Melica torreyana A. Arthur Heller 1902-3-27 Heller 5160 Sonoma Western base of Mt. Hood. Comment
  SEINET6205052  Melica torreyana L. S. Rose 1965-1 65022 Sonoma 1 mi N of Sonoma Comment
  UCD89203  Melica torreyana R. Tofsrud 1942-4-1 s.n. Sonoma Road to 'Top O'World. Comment
  UCR279644  Melilotus albus Peter Rubtzoff 1953-11-1 1432 Sonoma Vacation Beach, near Guerneville, along Russian River 3 Comment
  CAS-BOT-BC164405  Melissa Peter Rubtzoff 1973-8-28 7277 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC166905  Mentha Peter Rubtzoff 1955-8-28 2113 Sonoma Guerneville region. Vacation Beach, near Guerneville; Russian River. Comment
  RSA785673  Mentha Peter Rubtzoff 1960-9-17 4559 Sonoma Laguna de Santa Rosa, E of Graton (between Occidental and Guerneville Road). Comment
  UCD148331  Mentha aquatica Peter Rubtzoff 1954-8-11 1686 Sonoma Guerneville Marsh. Comment
  UCD148385  Mentha canadensis Peter Rubtzoff 1956-9-15 2899 Sonoma Atascadero Creek Marsh. Comment
  UC1714396  Mentha pulegium J. Burtt Davy 1896-7-22 Sonoma Russian River Station Comment
  UC582717  Mentha pulegium Joseph P. Tracy 1935-8-18 14746 Sonoma Knights Valley; Northern Coast Ranges, Knights Valley 152 Comment
  RSA94355  Mentha pulegium Peter Rubtzoff 1951-7-14 458 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  RSA785148  Mentha rotundifolia Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh. Comment
  RSA784400  Mentha spicata Peter Rubtzoff 1954-9-6 1740 Sonoma Guerneville Marsh. Comment
  RSA784551  Mentha spicata Peter Rubtzoff 1968-8-24 5932 Sonoma Upper Salmon Creek Marsh. Comment
  UCR244652  Mentha spicata Peter Rubtzoff 1960-9-14 4557 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) 30 Comment
  RSA785145  Mentha spicata Peter Rubtzoff 1973-9-9 7315 Sonoma Kenwood Marsh. Comment
  UCD148320  Mentha spicata Peter Rubtzoff 1953-11-1 1449 Sonoma Guerneville Marsh. Comment
  UCD151251  Mentzelia micrantha James A. Neilson Jr. 1974-7-10 2888 Sonoma Mayacmas Mountains. North of Little Geysers. 853 Comment
  CAS-BOT-BC428952  Micranthes californica F. Almeda; G. DeNevers 1981-3-30 4873 Sonoma Pepperwood Ranch. Along road to the Garrison Cabin at the SW sector of the ranch. Comment
  CAS-BOT-BC322615  Micropus amphibolus John Thomas Howell 1948-4-18 24203 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC348620  Micropus californicus var. californicus Greg de Nevers; Frank Almeda 1987-4-11 8150 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC348632  Micropus californicus var. californicus L. R. Abrams 1918-4-27 6902 Sonoma Independence School near Healdsburg Comment
  UC581122  Micropus californicus var. californicus H. L. Mason 1934-4-28 8090 Sonoma near orchard; Dohrman Creek, Jensen's Ranch Comment
  SEINET7096778  Microseris douglasii A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane.Ca 1 mile east of Occidenta. NAD27, 38.4070? deg. , -122.9289?_ (converted to WGS84) UTM Zone 10, 506210mE, 4250769mN. Comment
  CAS-BOT-BC348854  Microseris douglasii subsp. douglasii Greg de Nevers 1987-4-25 8167 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC322712  Microseris laciniata John Thomas Howell; Alice Eastwood 1936-5-19 2503 Sonoma 11 miles north of Santa Rosa Comment
  CAS-BOT-BC311860  Mimulus Peter Rubtzoff 1960-6-12 4505 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC312699  Mimulus Peter Rubtzoff 1960-6-9 4486 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC320508  Mimulus Peter Rubtzoff 1964-5-31 5326 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg, along Russian River. Comment
  SEINET12337127  Mimulus aurantiacus C. F. Quibell 1976-1 1377 Sonoma Marshall-Petaluma Rd Comment
  JEPS27319  Mimulus aurantiacus var. aurantiacus Eleanor Armstrong May 1932 503 Sonoma near Camp Meeker 121 Comment
  UCD39137  Mimulus cardinalis Beecher Crampton 1964-8-18 7144 Sonoma N.E. 'The Geysers', Big Sulphur Creek. Comment
  RSA178001  Mimulus guttatus Robert F. Thorne 1965-4-19 34286 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UCR252547  Mimulus guttatus Peter Rubtzoff 1964-8-26 5476 Sonoma Central Coast, [Lichau] Marsh, 5 miles northeast of Penngrove on Lichau Road 220 Comment
  RSA0022512  Mimulus guttatus Peter Rubtzoff 1964-5-20 5321 Sonoma Bodega Bay Marsh. Comment
  JEPS19393  Mimulus inodorus G. Thomas Robbins 1937-6-5 226 Sonoma 10 mi w Santa Rosa (Pitkin Ranch); Vine Hill region Comment
  UC454796  Mimulus inodorus I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  SEINET3159712  Mimulus tricolor K. Brandegee 1905-6-8 sn Sonoma Between Santa Rosa and Sebastopol. Comment
  CDA11327  Minuartia californica G. F. Hrusa 1995-4-2 12037 Sonoma North Coast Biodiversity Arena; Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  UC8088  Minuartia californica State Survey 1862-4-18 975 Sonoma near Sonoma Comment
  CAS-BOT-BC388891  Minuartia douglasii Roxana S. Ferris; Laura Lorraine 1961-6-14 13522 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  CAS-BOT-BC388897  Minuartia douglasii Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC435109  Mollugo verticillata Peter Rubtzoff 1959-8-30 4245 Sonoma Drake's Beach, near Guerneville. Bottom of Russian River. Comment
  CAS-BOT-BC435116  Mollugo verticillata James McMurphy 1906-7-16 s.n. Sonoma Fulton Comment
  CAS-BOT-BC26177  Monardella coriacea A. A. Heller 1902-7-8 5812 Sonoma Russian river at Healdsburg Comment
  CAS-BOT-BC220388  Monardella purpurea R. F. Hoover 1965-6-29 9474 Sonoma North of summit on Harrison Grade road near Occidental Comment
  UCD125297  Monardella villosa Mary M. Hektner; Cathy Hendel 1974-6-28 84 Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UCD151228  Monardella villosa James A. Neilson Jr. 1974-5-1 3170 Sonoma On the border of Lake and Sonoma Counties: Mayacmas Mountains, Geyser Rock area, west of Whispering Pines and State Highway 175. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  CAS-BOT-BC220503  Monardella villosa John Thomas Howell 1929-6-30 6316 Sonoma 6 miles from Petrified Forest on road to Knights Valley Comment
  UC722653  Monardella villosa subsp. franciscana C. L. Hitchcock, J. S. Martin 1939-7-15 5446 Sonoma Cliffs below Bodega State Park Comment
  JEPS51860  Monardella villosa subsp. villosa Eleanor Armstrong 1932-5-15 458 Sonoma 8 mi north Santa Rosa. 121 Comment
  CHSC68015  Monardella viridis Jack Guggolz; Betty Guggolz 1992-7-25 1332 Sonoma Ca. 0.6 mi SSW of Bradford Mountain, 4.5 mi S of Geyserville. 292 Comment
  CAS-BOT-BC444987  Montia fontana John Thomas Howell 1933-4-1 10926 Sonoma Petaluma Comment
  CAS-BOT-BC445001  Montia fontana Peter Rubtzoff 1966-4-30 s.n. Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road. Comment
  CAS-BOT-BC445007  Montia fontana Peter Rubtzoff 1962-4-11 4791 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UC1106074  Montia fontana John Thomas Howell 1949-4-6 25301 Sonoma sw of Sonoma Comment
  CAS-BOT-BC444990  Montia fontana Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane 2 mi. north east of Occidental Comment
  POM161366  Muilla maritima Rimo C. Bacigalupi 1252 Sonoma Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
  CAS-BOT-BC515643  Muilla maritima M. S. Baker 1924-3-27 s. n. Sonoma Slope of Taylor Mountain Comment
  JEPS21579  Myosotis discolor Lauramay T. Dempster 1958-5-24 1104 Sonoma Pitkin Ranch, 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
  CAS-BOT-BC101793  Myrica californica Peter Rubtzoff 1951-9-2 727 Sonoma Lower part of the Upper Marsh Comment
  UC672611  Myrica californica Herbert L. Mason 1928-7-11 4893 Sonoma canyon 2 mi. n. Fort Ross Comment
  RSA0060104  Myriophyllum hippuroides Greg de Nevers 1996-10-18 10889 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Biggest Double Pond. 91 Comment
  UC1011037  Nassella lepida Virginia Bufford 1936-5-22 388 Sonoma Annapolis Rd 1 mi from junction with Skaggs Springs Rd. Comment
  CAS-BOT-BC260286  Nassella pulchra A. A. Heller 1902-4-23 5350 Sonoma Near Sonoma Comment
  RSA115461  Nassella pulchra Beecher Crampton 1957-5-16 4041 Sonoma US Highway 101, 3 miles south of Healdsburg. Comment
  SBBG26388  Nassella pulchra B. Crampton 1966-5-10 Sonoma 3 mi S of Healdsburg Comment
  UCD33091  Nassella pulchra Beecher Crampton 1966-5-10 7721 Sonoma Sonoma County, 3 miles south of Healdsburg next to railroad. Comment
  CAS-BOT-BC60520  Nasturtium officinale Peter Rubtzoff 1958-5-17 3676 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CDA390  Navarretia heterodoxa D. G. Kelch 2003-7-14 3 .38 Sonoma Cavedale Road. Comment
  UC1719858  Navarretia jepsonii David Fruchter 1978-9-17 97 Sonoma Diamond D. Comment
  UC702890  Navarretia leucocephala subsp. bakeri Joseph Andorfer Ewan 1935-5-13 9265 Sonoma near Wright School (on Sebastopol road) Comment
  CAS-BOT-BC232683  Navarretia pubescens Peter Rubtzoff; H. A. Froebe 1971-5-30 6505 Sonoma 4.25 miles W of Glen Ellen on Bennett Valley Road Comment
  UC124588  Navarretia squarrosa I. J. Condit 1908-8-13 Sonoma between G- and Armstrong Grove Comment
  UC582809  Navarretia squarrosa P. A. Munz 1936-8-7 14308 Sonoma 6 mi n Bodega Comment
  CDA15294  Navarretia squarrosa P. Lane 1998-7-17 s.n. Sonoma North Coast Biodiversity Arena; on Lakeville Hwy near Petaluma. 0 Comment
  RSA94272  Navarretia squarrosa Peter Rubtzoff 1951-8-19 656 Sonoma Pitkin Marsh, near Forestville: near the creek, just north of the Lower Marsh Comment
  UC23890  Navarretia viscidula Milo S. Baker May 1899 Sonoma near County Hospital; Santa Rosa Comment
  UC1057471  Nemophila heterophylla G. Thomas Robbins 1940-3-21 290 Sonoma foothills near junction of Pleasant Avenue Road and Chalk Hill Road 121 Comment
  UC880884  Nemophila heterophylla Alice Eastwood 1918-5-1 6841 Sonoma Mt. St. Helena Comment
  POM65317  Nemophila heterophylla Milo S. Baker 1898-1 692 Sonoma Santa Rosa. Comment
  UCD119984  Nemophila heterophylla Frederica Bowcutt 1996-3-24 2087 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air mile SE of Red Mountain. Along Vista Trail just SE of Headwaters Trailhead. 563 Comment
  UC24263  Nemophila menziesii var. atomaria Milo S. Baker 1902-3-31 Sonoma Kenwood Comment
  RSA75893  Nemophila menziesii var. atomaria Lincoln Constance 1938-4-24 2158 Sonoma Mouth of small canyon, 0.5 mile south of Fort Ross. 91 Comment
  SD88406  Nemophila menziesii var. atomaria Darley F. Howe 1972-5-1 4815 Sonoma Duncan Point. Comment
  UCD120241  Nemophila menziesii var. atomaria Frederic Hrusa 1988-2-21 5501 Sonoma South of Mt. St. Helena. Near Kenwood. Comment
  SD254635  Nemophila pedunculata Ann Howald 2015-4-1 3313 Sonoma Northern Coast Ranges: Stewarts Point-Skaggs Springs Road, 11.5 miles west of intersection with Rockpile Road. Warm Springs drainage (Warm Springs Dam 7.5'Q) 408 Comment
  UCD110217  Notholithocarpus densiflorus M. Wiesendanger 1927-5-5 729 Sonoma Kenwood Springs. Comment
  HSC8113  Notholithocarpus densiflorus var. densiflorus F. Demostene 1966-4-4 20 Sonoma 1 mi. W of Healdsburg Comment
  CAS-BOT-BC368058  Oemleria cerasiformis Greg de Nevers 1998-5-20 11255 Sonoma Mark West Creek on Cresta Ranch Comment
  CAS-BOT-BC500334  Orobanche uniflora subsp. occidentalis Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  POM223587  Orthocarpus campestris Milo S. Baker 1936-05 8576 Sonoma Bennett Valley Highway, 0.5 mi east of old Santa Rosa Fair Grounds. Comment
  POM15641  Orthocarpus densiflorus A. A. Heller, H. E. Brown 1902-4-9 5236 Sonoma Three Miles South of Healdsburg. Comment
  POM183040  Orthocarpus erianthus A. A. Heller, H. E. Brown 1902-4-4 5219 Sonoma Hills near Santa Rosa. Comment
  RSA789045  Orthocarpus faucibarbatus Carrie A. Herd 1982-4-25 75 Sonoma Crane Creek Regional Park. Comment
  NY90845  Orthocarpus faucibarbatus var. albidus D. D. Keck 1935-6-15 3375 Sonoma 3 mi. S of Russian River mouth. Comment
  UC1348886  Osmorhiza berteroi Robert F. Thorne 1965-4-20 34331 Sonoma Parker Hill Rd ca 2 1/2 mi n Santa Rosa (1 mi n of Sonoma Co. Hospital) 106 Comment
  UC730035  Oxalis Leo F. Koch 1940-4-18 792 Sonoma 5 mi from Gravenstein Hwy (via Cherry Ridge Rd, in severa; orchards) Comment
  SEINET10494956  Oxalis oregana R. D. Sage 1992-1-10 Sage 13412 -2 Sonoma Collected along joy rd between bodega hwy and bittner rd, ca 2-6 km sw occidental. Comment
  SEINET12181947  Oxalis oregana Unknown 1947-1 93 Sonoma county rd 0.5 mi W of Freezeout Creek, across Russian River from Duncan's Mills Comment
  SEINET12183626  Oxalis oregana F. H. Utech 1988-1 88 -010 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  UCD110970  Oxalis oregana Donna Allen 1977-5-29 s.n. Sonoma dry creek roadside 5 miles from coast. Comment
  CDA34796  Oxalis pes-caprae Peter Warner 2010-3-29 123 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  CAS-BOT-BC317144  Packera streptanthifolia Milo S. Baker 1934-4-28 7605 Sonoma NE corner of Jensen Ranch, west of Dry Creek Valley Comment
  CAS-BOT-BC254465  Panicum Peter Rubtzoff 1986-9-28 9749 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville Comment
  CAS-BOT-BC376262  Panicum Greg de Nevers 1996-9-23 10882 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek x Piney Canyon 487 Comment
  POM188279  Panicum acuminatum var. acuminatum Marcus E. Jones 1931-7-5 29210 Sonoma The Geysers. Comment
  UC1146583  Panicum acuminatum var. acuminatum Freed W. Hoffman 1943-6-13 2040 Sonoma around hot springs, The Geysers (The Geysers); North Coast Ranges, The Geysers Comment
  UCD88558  Panicum acuminatum var. fasciculatum Freed W. Hoffman 1941-7-26 2100 Sonoma North Coast Ranges. Near Guerneville. Comment
  CAS-BOT-BC249263  Parentucellia Peter Rubtzoff 1971-6-10 6538 Sonoma Pitkin Marsh, near Forestville, along western border of the upper part of marsh. Comment
  JEPS86295  Parentucellia latifolia Jack and Betty Guggolz 1989-5-5 1012 Sonoma Comment
  CAS-BOT-BC210044  Paspalum Peter Rubtzoff 1971-8-23 6647 Sonoma Spring Hill Road, 0.8 mi. SE of Bodega Hwy. (of Two Rock Church). Comment
  CAS-BOT-BC259690  Paspalum dilatatum Richard W. Pohl 1963-6-1 9436 Sonoma Geyser Summit Comment
  RSA784152  Paspalum dilatatum Peter Rubtzoff 1971-8-31 6662 Sonoma Todd Road near Stony Point Road Comment
  CAS-BOT-BC265691  Paspalum distichum Peter Rubtzoff 1951-7-14 432 Sonoma Southern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC265697  Paspalum distichum Peter Rubtzoff 1951-6-9 181 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC202873  Paxistima myrsinites M. S. Baker 1934-4-28 s.n. Sonoma Jensen Ranch, Dry Creek Valley, n. of Healdsburg Comment
  UC76109  Pedicularis densiflora Milo S. Baker 1898-4-2 Sonoma near Forestville Comment
  HSC20925  Pedicularis densiflora James Faro 1962-4-14 19 Sonoma 5 mi. N of Guerneville on Old Cazadero Rd. Comment
  UC71499  Pellaea mucronata var. mucronata Bioletti 1894-1 Sonoma near Hood's Peak Comment
  JEPS78831  Penstemon heterophyllus var. heterophyllus Edward Lee 1936-6-7 2199 Sonoma on the fire trail near Highpoint (Bohemian Grove); , near Highpoint Comment
  NY601785  Penstemon heterophyllus var. purdyi H. L. Mason 1934-4-28 8071 Sonoma Head of Dohrman Creek, Jensen's Ranch Comment
  SEINET12341670  Pentagramma triangularis F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -60 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek 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-BC71734  Pentagramma triangularis subsp. triangularis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54017 A Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove 457 Comment
  UC1193125  Pentagramma triangularis subsp. triangularis P. Zinke 1950-4-25 114 Sonoma Oat Valley; Quadrangle 61A4 182 Comment
  UC483302  Pentagramma triangularis subsp. triangularis Ira L. Wiggins 1932-3-12 5761 Sonoma fence row between Knight's Valley and Franz Valley Comment
  UC399562  Pentagramma triangularis subsp. triangularis C. F. Sonne April 1887 208 Sonoma White Sulphur Springs near Vallejo Comment
Read comments
1
  CAS-BOT-BC222741  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1951-8-19 666 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC222747  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-9-25 5829 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  UC1329519  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-8-30 5872 Sonoma Upper Marsh Pitkin Marsh (southern part, near Forestville) Comment
  JEPS128254  Perideridia kelloggii Roger Raiche 2000-7-24 142 .00 Sonoma The Cedars. Rick's Gate. Lower Russian River, Big Austin Creek watershed. Comment
  UC1312895  Perideridia oregana Lincoln Constance, Tsan-Iang Chuan, and Charles F. Quibell 1967-7-9 3790 Sonoma 1.5 mi nw The Geysers (above creek); Big Sulphur Creek 441 Comment
  CAS-BOT-BC368035  Persicaria amphibia Greg de Nevers 1998-6-28 11296 Sonoma Lautenberg Ranch, Spencer Lane, Knights Valley. Comment
  CAS-BOT-BC413646  Persicaria amphibia Peter Rubtzoff 1958-9-6 3970 Sonoma Laguna de Santa Rosa north of Cunningham (nr. Todd Road) 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-BC413740  Persicaria hydropiper John Thomas Howell 1932-9-18 10779 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC418921  Persicaria hydropiperoides Peter Rubtzoff 1956-9-15 2907 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC419290  Persicaria pensylvanica John Thomas Howell 1932-9-18 10778 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC540804  Persicaria pensylvanica Peter Rubtzoff 1973-9-9 7325 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC258009  Persicaria punctata Peter Rubtzoff 1973-8-20 7224 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC419429  Persicaria punctata Peter Rubtzoff 1955-9-24 2156 Sonoma Guerneville Marsh Comment
  UCD148419  Petasites frigidus var. palmatus Peter Rubtzoff 1960-6-10 4495 Sonoma Fife Creek Marsh. Comment
  UCD134924  Petasites frigidus var. palmatus Mary M. Hektner 1974-7-10 140 Sonoma Unit 34-B Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD98397  Petrorhagia nanteuilii Botany 102 Students 1993-5-8 224 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. 396 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
  RSA426095  Phacelia distans Alice Eastwood 1933-5-7 18841 Sonoma Sonoma Comment
  UC923116  Phacelia egena Freed W. Hoffman 1950-5-24 3322 Sonoma East Austin Creek North Coast Ranges, Rocky Mountain Comment
  JEPS28415  Phacelia nemoralis subsp. oregonensis L. R. Heckard 1951-6-12 H- 153 Sonoma along dirt road above Pine Flat ((road from Pine Flat to hwy 29 near Whispering Pines), about 8 airline mi ne of Geyserville) Comment
  CAS-BOT-BC258947  Phalaris aquatica G. DeNevers 1981-5-30 1404 Sonoma Pepperwood Ranch. 1st Canyons cutting EW on the E slope of Horse Hill Comment
  SJSU5975  Phalaris arundinacea C. W. Sharsmith 1972-6-24 7809 Sonoma by marshland of Laguna de Santa Rosa, N of Sebastopol, E of Graton, southern Sonoma County Comment
  CAS-BOT-BC259021  Phalaris californica Peter Rubtzoff 1962-6-1 4860 Sonoma Freestone Marsh Comment
  RSA227231  Phalaris californica Peter Rubtzoff 1962-6-1 4859 Sonoma Freestone Marsh Comment
  UCD88995  Phalaris lemmonii John Thomas Howell 1947-6-5 23243 Sonoma 4 miles W of Santa Rosa. Near Wright School. Comment
  SEINET10662674  Phalaris lemmonii P. Rubtzoff 1972-6-23 Rubtzoff 6784 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC250743  Phalaris paradoxa Peter Rubtzoff 1962-4-18 4802 Sonoma Border of Highway #101 east of Petaluma Comment
  UC1132438  Phalaris paradoxa H. S. Yates 1937-6-6 6578 Sonoma near Windsor; Healdsburg Quad. Comment
  CAS-BOT-BC135035  Phoradendron bolleanum Gladys L. Smith 1977-3-30 4653 Sonoma Summit, Harrison Grade, serpentine hill 457 Comment
  UCD102040  Phoradendron bolleanum D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. 800 Comment
  SEINET12230309  Phoradendron bolleanum var. densum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -163 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  CAS-BOT-BC171222  Phoradendron serotinum subsp. tomentosum A. A. Heller; H. E. Brown 1902-3-12 5036 Sonoma Sonoma Creek, Eastern Base of Mt. Hood Comment
  JEPS42585  Phoradendron villosum F. T. Bioletti 1894-12-25 Sonoma Kenwood Comment
  POM139825  Physocarpus capitatus A. A. Heller 1902-6-24 5758 Sonoma Near Burke's Sanitarium Comment
  UC466693  Physocarpus capitatus W. P. Taylor 1913-6-23 Sonoma 7 W.[?] Cazadero (along creek at Niestrth's[?]) 304 Comment
  UCSC000358  Physocarpus capitatus H. S. Yates 1934-4-21 3801 Sonoma near Bodega - Duncan Mills 61 Comment
  CAS-BOT-BC202284  Pickeringia montana var. montana Walter Knight; Irja Knight 1963-9-15 289 Sonoma Los Alamos Rd, Santa Rosa Comment
  RSA516637  Pinus S. Flowers 1988-2-5 s.n. Sonoma Sonoma Rd. marker, Hwy One, 52.32 miles at Pebble Beach Access Trail, across Sea Ranch. Tree located 20 feet W of Hwy 1 and 12 feet N off parking entrance. Comment
  UC1076360  Pinus muricata Herbert L. Mason 1928-4-8 4278 Sonoma Fort Ross Comment
  SEINET10908748 Image available Pinus ponderosa Unknown 1864-4-27 Anonymous s.n. Sonoma Comment
  JEPS128341  Piperia elongata Roger Raiche 2010-7-17 037 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC166944  Plagiobothrys Peter Rubtzoff 1969-5-3 6018 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC176145  Plagiobothrys Peter Rubtzoff 1969-5-11 6032 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  RSA785159  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UCD166131  Plagiobothrys Peter Rubtzoff 1969-5-3 6015 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCR280130  Plagiobothrys Peter Rubtzoff 1969-6-15 6095 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastapol 21 Comment
  CAS-BOT-BC154995  Plagiobothrys Peter Rubtzoff 1970-5-16 6219 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC176149  Plagiobothrys Peter Rubtzoff 1971-7-23 6611 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC488330  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-14 s.n. Sonoma 2.3 km SE of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1 22 Comment
  RSA620417  Plagiobothrys bracteatus Peter Rubtzoff 1963-6-6 5160 Sonoma Laguna de Santa Rosa, east of Graton Comment
  RSA788370  Plagiobothrys bracteatus Peter Rubtzoff, H. A. Froebe 1971-5-30 6488 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Rd. Comment
  SEINET12333746  Plagiobothrys bracteatus H. K. Wagnon 1989-1 1874 Sonoma Spring Lake Park & environs, adjacent to Montgomery Drive, Spring Creek diversion channel 67 Comment
  CAS-BOT-BC228115  Plagiobothrys chorisianus John H. Thomas 1976-6-16 18256 Sonoma Southern part of Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  UCD120792  Plagiobothrys collinus var. californicus Roxana S. Ferris; Laura Lorraine 1961-6-14 13541 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner. Comment
  UCD33795  Plagiobothrys collinus var. californicus Beecher Crampton 1973-5-5 8927 Sonoma Sonoma County, Sonoma Coast State Park at Carmet. Comment
  UC905097  Plagiobothrys greenei Lewis S. Rose 1949-4-6 49028 Sonoma western outskirts Sonoma 29 Comment
  POM204149  Plagiobothrys greenei J. T. Howell 1934-3-27 11803 Sonoma Summit of Bennett Valley road from Glen Ellen to Santa Rosa Comment
  JEPS21216  Plagiobothrys nothofulvus H. S. Yates 1934-4-22 3842 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  UC577956  Plagiobothrys nothofulvus H. S. Yates 1934-4-22 3842 Sonoma two mi s Mark West; Calistoga Quad. 152 Comment
  JEPS80989  Plagiobothrys reticulatus Edward Lee with William Setchell 1936-6-8 2225 Sonoma near entrance of disturbed redwood forest; Bohemian Grove Comment
  UC517981  Plagiobothrys reticulatus Lewis S. Rose 1933-5-9 33155 Sonoma Bodega Bay Comment
  RSA8384  Plagiobothrys reticulatus var. rossianorum L. S. Rose 1933-5-9 33155 Sonoma Bodega Bay. Comment
  UC353910  Plagiobothrys stipitatus Milo S. Baker 1927-4-9 2053 a Sonoma ca 1 mi w Monroe School House (Forestville Road) Comment
  UCR279881  Plagiobothrys undulatus Peter Rubtzoff 1971-7-23 6618 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 70 Comment
  RSA783722  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6096 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  CAS-BOT-BC258016  Plantago Peter Rubtzoff 1965-8-16 5596 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC730039  Plantago lanceolata Leo F. Koch 1940-4-18 790 Sonoma 3 mi from Occidental (to Freestone) Comment
  CAS-BOT-BC258381  Plantago subnuda Peter Rubtzoff 1968-7-29 5922 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC92125  Platystemon californicus Peter H. Raven 1955-3-20 8242 Sonoma One mile west of Schelville. Comment
  CAS-BOT-BC92126  Platystemon californicus George H. Mallory 1920-3-29 s.n. Sonoma East side of Rincon Valley 6 miles from Santa Rosa. Comment
  SEINET6205136  Pleuropogon californicus L. S. Rose 1965-1 65019 Sonoma Sonoma Comment
  UC1023574  Pleuropogon californicus Virginia Bufford 1935-3-26 12 Sonoma near Hearn School Comment
  UCD36835  Pleuropogon californicus Beecher Crampton 1956-3-12 3220 Sonoma Sonoma County, Alexander Valley Store. Comment
  CAS-BOT-BC260982  Pleuropogon californicus var. californicus David L. Morgan 1956-5-17 s.n. Sonoma Watmaugh Road 1/2 mile west of junction of Arnold Drive Comment
  UC1258194  Pleuropogon hooverianus Paul But 1975-4-1 P 25 Sonoma 0.5 mi from Freestone (along Bohemian Hwy at Freeston Flat Road) Comment
  RSA336124  Pleuropogon hooverianus Paul But 1977-5-3 P 6 Sonoma 3 miles NE of Penngrove, along Pressley Road Comment
  CAS-BOT-BC422356  Poa Peter Rubtzoff 1976-5-30 8557 Sonoma Kenwood Marsh. Comment
  RSA0021492  Poa Peter Rubtzoff 1976-5-30 8557 Sonoma Kenwood Marsh Comment
  UCD163792  Poa annua Peter Rubtzoff 1989-4-30 9990 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  UCD55143  Poa annua Ellen Dean; Tammie Beyerl 2006-4-28 3025 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. At inlet of small reservoir SE of Pepperwood lake reservoir. 163 Comment
  UCD90230  Poa annua Collector Unknown 1941-10-1 s.n. Sonoma Santa Rosa Creek. Comment
  SEINET175724 Image available Poa douglasii Marcus E. Jones 1882-5-13 Sonoma Santa Rosa Comment
  UC1023575  Poa howellii Virginia Bufford 1936-5-19 286 Sonoma 11 mi from Santa Rosa (Sonoma Mt Rd) Comment
  UCD90524  Poa kelloggii Beecher Crampton 1955-6-17 2947 Sonoma 4.5 miles S of Cazadero. Comment
  UCD90528  Poa kelloggii P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC256028  Poa pratensis Catherine Best 1993-5-6 1418 Sonoma Pepperwood Comment
  CAS-BOT-BC256033  Poa pratensis Peter Rubtzoff 1954-7-28 1597 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC243247  Poa secunda subsp. secunda John Thomas Howell; et al. 1981-5-14 54024 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC243202  Poa secunda subsp. secunda David L. Morgan 1961-4-12 s.n. Sonoma Junction of J Street extension and San Antonio Road, 2 miles SW of Petaluma Comment
  UCD91767  Poa secunda subsp. secunda Gerry North 1993-3 46 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead. Less than .2 miles E of park entrance gate. On SW facing slope. 243 Comment
  CAS-BOT-BC244202  Poa trivialis John Thomas Howell 1951-5-28 27495 Sonoma Laguna E of Sebastopol Comment
  JEPS62432  Pogogyne douglasii W. L. Jepson 1921-6-2 9302 b Sonoma Windsor, just east of Calhoun Ranch Comment
  RSA264762  Pogogyne douglasii subsp. parviflora Peter Rubtzoff, Tim Tunison, Nancy Harrison 1976-6-5 8585 Sonoma False Lake Meadow area, Annadel State Park. Comment
  JEPS86349  Pogogyne douglasii subsp. parviflora Jack and Betty Guggolz 1988-5-17 936 Sonoma Vicini property, just south of a creek and just west of the east property line Comment
  JEPS128244  Polycarpon tetraphyllum Roger Raiche 2000-3-30 053 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS43011  Polygala californica Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  RSA396196  Polygala californica F. H. Utech, Walter, Irja Knight 1984-4-18 84 -162 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane. 146 Comment
  RSA135339  Polygala californica Volney Rattan 1877-6-17 s.n. Sonoma Guernville Comment
  CAS-BOT-BC376404  Polygonum Greg de Nevers 1996-9-2 10871 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Kitchen Creek below Silva's. 400 Comment
  UC1562675  Polygonum aviculare subsp. aviculare Barbara Ertter 1988-11-5 8026 Sonoma point below Little Flat parking area (w of bridge, ca 5 air mi due s of Cloverdale); Lake Sonoma 152 Comment
  CAS-BOT-BC414118  Polygonum aviculare subsp. aviculare A. A. Heller 1902-6-11 5693 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  UCD99974  Polygonum aviculare subsp. depressum Frederica Bowcutt 1996-5-18 2120 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon about 1/2 air mile NNW of Bald Mtn. 396 Comment
  RSA0072156  Polygonum convolvulus Greg de Nevers 1992-8-1 10239 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 500 Comment
  UCR19269  Polygonum convolvulus John C. Roos 1959-7-30 s.n. Sonoma North Coast Ranges, Healdsburg garden Comment
  UCR280149  Polygonum hydropiper Peter Rubtzoff 1973-8-20 7223 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente 38 Comment
  RSA800607  Polygonum hydropiper Peter Rubtzoff 1973-8-15 7210 Sonoma Russian River at Squaw Rock, 6 mi south of Hopland. Comment
  UC71482  Polypodium J. Burtt Davy 1894-12-9 854 Sonoma Kenwood Comment
  UCD158838  Polypodium californicum James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2915 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  SEINET11719105  Polypodium glycyrrhiza S. W. Edwards 1986-1 s.n. Sonoma St. Helena Rd, 5.55 mi from Calistoga Rd., 6.7 mi from hwy in St. Helena Comment
  UCD136877  Polypodium glycyrrhiza Frederica Bowcutt 1994-6-12 1875 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Canyon Trial along edge of Sonoma Creek just E of confluence wth Pony Gate Gulch Creek, just S of Adobe Canyon Road. 274 Comment
  CAS-BOT-BC311838  Polypogon Peter Rubtzoff 1983-8-28 9671 Sonoma Austin Creek ca. 0.5 miles north of Hwy. 116 on Cazadero Road. Comment
  RSA0023111  Polypogon Peter Rubtzoff, Nancy Harrison 1974-9-7 7889 Sonoma Hinebaugh Creek in Rohnert Park, in creek bed under Commerce Blvd. bridge. Comment
  CAS-BOT-BC233191  Polypogon interruptus Peter Rubtzoff 1955-7-31 2013 Sonoma Forestville Marsh Comment
  CAS-BOT-BC233197  Polypogon interruptus Peter Rubtzoff 1951-6-16 220 Sonoma Pitkin Marsh, near Forestville. N half of Lower Marsh Comment
  CAS-BOT-BC233226  Polypogon maritimus Peter Rubtzoff 1960-6-7 4445 Sonoma Austin Creek Marsh Comment
  CAS-BOT-BC237404  Polypogon monspeliensis Peter Rubtzoff 1951-8-19 642 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh Comment
  CAS-BOT-BC237411  Polypogon monspeliensis Peter Rubtzoff 1959-8-30 4240 Sonoma Drake's Beach, near Guerneville, Russian River Comment
  UC65192  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Sonoma Comment
  UCD91353  Polypogon monspeliensis David L. Morgan 1955-6-27 s.n. Sonoma Porter's Gulch, between Soquel and Aptos. 15 Comment
  CAS-BOT-BC237612  Polypogon viridis J. W. Stacey 1923-10-15 s.n. Sonoma Monte Rio Comment
  UCD92451  Polypogon viridis Beecher Crampton 1959-6-16 5393 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  CAS-BOT-BC72164  Polystichum californicum G. DeNevers 1981-6-27 1671 Sonoma On a walk up through the Devil's Kitchen, Kellogg Ranch; starting from the bottom of the hill in Franz Valley, Comment
  SEINET11719958  Polystichum californicum Unknown 1987-1 70019 Sonoma W of Cloverdale, Hot Springs Rd area, Lake Somona near inundation point of Brush Creek 183 Comment
  UC1481826  Polystichum imbricans subsp. imbricans Milo S. Baker 1898-6-11 656 Sonoma Little Sulphur Creek Comment
  CAS-BOT-BC257343  Populus Peter Rubtzoff 1973-10-10 7336 Sonoma Salmon Creek, 0.25 miles south of Freestone along creek canyon. Comment
  CAS-BOT-BC102672  Populus fremontii Mary P. Wells 1987-6-30 898 Sonoma Brush Creek dike between Mission Blvd. and Brush Creek Road, Santa Rosa Comment
  CAS-BOT-BC445298  Portulaca oleracea Peter Rubtzoff 1963-8-24 5242 Sonoma Laguna de Santa Rosa east of Graton Comment
  RSA620430  Portulaca oleracea Peter Rubtzoff 1965-8-22 5610 Sonoma Russian River, Forest Hills 5.5 mi. east of Guerneville. Open, moist bank of river bottom. 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
  UCR244637  Potamogeton nodosus Peter Rubtzoff 1971-9-1 6669 Sonoma Spring Creek Reservoir area, east of Santa Rosa 87 Comment
  UCD165770  Potamogeton pusillus Peter Rubtzoff 1973-8-27 7269 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC454080  Potamogeton pusillus subsp. pusillus Greg de Nevers 1991-6-23 9754 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In Loch Haven Lake. 500' elevation. 475 Comment
  CAS-BOT-BC454085  Potamogeton pusillus subsp. pusillus D. E. Breedlove 1980-6-27 44736 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC141959  Potentilla anserina subsp. pacifica Walter Knight; Irja Knight 1963-8-13 212 Sonoma Horseshoe Cove 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-BC141955  Potentilla anserina subsp. pacifica Peter Rubtzoff 1959-6-13 4127 Sonoma Willow Creek Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141960  Potentilla anserina subsp. pacifica Ella Dales Cantelow 1938-5-7 2404 Sonoma 2 1/2 mi n.w. of Bodega Comment
  CAS-BOT-BC516395  Prosartes hookeri A. A. Heller; H. E. Brown 1902-4-11 s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC516399  Prosartes hookeri G. DeNevers 1981-4-11 693 Sonoma Road below Lower Orchard, Pepperwood Ranch Comment
  UCR90890  Prunella vulgaris Kathy Harper, Dane Karr 1994-6-10 s.n. Sonoma North Coast Range, King Ridge Road along Big Austin Creek, north of Cazadero 122 Comment
  SEINET13947061 Image available Prunella vulgaris Andrew P. Nelson 1960-1 646 18 C Sonoma Originally collected from a mixed pop. At Pitkin Marsh. Comment
  NY622091  Prunella vulgaris var. atropurpurea A. A. Heller 1902-6-4 5639 Sonoma Santa Rosa Comment
  UCD151204  Prunella vulgaris var. lanceolata James A. Neilson Jr. 1974-7-10 2813 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  UC449934  Prunella vulgaris var. lanceolata Franklin P. Nutting Sonoma Taylor Creek Comment
  CAS-BOT-BC158588  Prunus James McMurphy 1908-10-3 s.n. Sonoma Smith Creek Comment
  CAS-BOT-BC159845  Prunus cerasifera Walter Knight; Irja Knight; Keith Wagnon 5065 Sonoma At jct of Sonoma Mt. Rd. and Bennett Valley Rd. ca. 1 mi west of Glen Ellen Comment
  CAS-BOT-BC366864  Prunus subcordata Greg de Nevers 1998-4-21 11156 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In canyon west of Phillip's Garden 400 Comment
  RSA0060111  Prunus subcordata Greg de Nevers 1998-4-21 11156 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In canyon west of Phillip's Garden. 100 Comment
  RSA0045172  Prunus virginiana var. demissa Greg de Nevers 1998-6-2 11267 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley School Road at Bordjeiffs. 100 Comment
  CAS-BOT-BC356498  Pseudognaphalium beneolens Walter Knight; Irja Knight 1963-10-3 379 Sonoma Off ramp freeway US 101 & Railroad Ave., Cotati Comment
  OBI32526  Pseudognaphalium californicum Dave Morse 1972-7-29 5 Sonoma One mi NE of Cloverdale, on hwy 128 91 Comment
  CAS-BOT-BC356928  Pseudognaphalium californicum G. DeNevers 1981-7-25 1872 Sonoma Pepperwood Ranch. In Garrison Canyon Comment
  CAS-BOT-BC357169  Pseudognaphalium luteoalbum Mary P. Wells 1984-7-20 420 Sonoma In So. Fork Gualala River near The Sea Ranch Comment
  HSC2215  Pseudognaphalium stramineum Roxana S. Ferris 1937-8-18 9375 Sonoma At mouth of Salmon Creek on Bodega Bay Comment
  CAS-BOT-BC80181  Pseudotsuga menziesii Irja Knight; Walter Knight 1963-9-15 291 Sonoma Los Alamos Rd, Santa Rosa Comment
  UCD166076  Psilocarphus Peter Rubtzoff 1971-6-5 6512 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA784564  Psilocarphus Peter Rubtzoff 1963-7-14 5203 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  RSA784565  Psilocarphus Peter Rubtzoff 1966-5-30 5746 Sonoma Laguna de Santa Rosa, northwest of Graton, at end of Piner Road Comment
  CAS-BOT-BC361729  Psilocarphus brevissimus var. brevissimus J. W. Congdon 1880-5-24 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC362076  Psilocarphus tenellus G. DeNevers 1981-5-26 1322 Sonoma Pepperwood Ranch. At Pippindale Garden Comment
  SEINET11718164  Pteridium aquilinum var. pubescens W. Knight, Knight, I.; Knight, T. 1984-1 5024 Sonoma Howarth Park overlooking lake, Santa Rosa 30 Comment
  UCD100924  Pterostegia drymarioides Arlene Johnston 1977-5-11 83 Sonoma Bodega Bay. Comment
  RSA74444  Pteryxia terebinthina var. californica Milo S. Baker 1947-5-30 11775 Sonoma It is located 2 miles NE of Occidental along Harrison Grade. Comment
  SD225863  Quercus X chasei John M. Tucker 1952-9-20 2624 Sonoma Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, large tree in the back yard of the Voight house. Comment
  UC1193301  Quercus agrifolia R. H. Neuns 1950-4-26 96 Sonoma 5 mi w Geysers (Sulphur Creed Rd, Quad 60B3) 487 Comment
  UC405491  Quercus chrysolepis W. P. Taylor 1913-6-23 Sonoma Cazadero Comment
  CAS-BOT-BC86004  Quercus douglasii Mrs. E. C. Sutliffe 1921-9-1 s.n. Sonoma Valley of the Moon, [Loudon's Place] Comment
  JEPS37398  Quercus douglasii W. H. Calhoun 1907-10-21 Sonoma Windsor Comment
  CAS-BOT-BC79565  Quercus dumosa Walter Knight; Irja Knight 1963-1-9 146 Sonoma Pine Mt. Rd. NE of Clverdale 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
  UCSB15790  Quercus durata var. durata Breedlove, Dennis 1962-6-6 Sonoma State Highway 128, 4.0 miles northwest of U.S. Highway 101 at Cloverdale 289 Comment
  CDA18984  Quercus garryana S. Parnay 2000-8-14 PDR 022421 Sonoma Hidden Oaks Rd., Santa Rosa. 0 Comment
  UCD46117  Quercus garryana var. garryana Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 74 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail S of Sonoma Creek about 1/8 mile from beginning of trail. 381 Comment
  HSC100879  Quercus garryana var. garryana Peter Warner 2011-6-16 218 Sonoma Jenner Headlands property, ~3 mi. NW of Jenner, lower Russian Gluch, near large rock outcrop downslope from Muniz Ranch Rd., ~400 m N20 deg. E from Hwy. 1 Russian Gulch Bridge. 27 Comment
  CAS-BOT-BC105478  Quercus kelloggii Walter Knight; Irja Knight 1964-11-15 780 Sonoma near new Johnson residence on Hood's Peak Comment
  RSA786873  Quercus kelloggii Carrie A. Herd 1982-3-14 22 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  SBBG111410  Quercus kelloggii J. M. Tucker 1952-9-20 2623 Sonoma Voigh Ranch, ca. 1.25 (airline) mi SW of Cunningham, along a lane running E from the Voight farmhouse Comment
  UCD46639  Quercus kelloggii D. Sanchez-Mata 1996-4-16 s.n. Sonoma Mercuryville. Big Sulphur Creek. The Geysers. 430 Comment
  CAS-BOT-BC62848  Quercus lobata Mary P. Wells 1984-6-18 356 Sonoma Friends House grounds, Rincon Valley, Santa Rosa Comment
  UC196970  Quercus lobata V. King Chesnut Aug 1887 Sonoma Santa Rosa Comment
  UCD47592  Quercus wislizeni Steven J. Barnhart 1994-6-5 s.n. Sonoma California, Sonoma Co.; Salt Point State Park east of Highway 1, near junction of fire road up to the meadow and the trail to the Pygmy Forest. Comment
  UCR255873  Ranunculus Greg de Nevers 1996-4-18 10793 Sonoma North Coast Range, Knights Valley Marsh, on Bavarian Lion Ranch 137 Comment
  POM268390  Ranunculus californicus Lyman Benson 1928-3-28 597 Sonoma Santa Rosa, N coast 91 Comment
  SEINET6908239  Ranunculus californicus W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Cove at Bodega Head. Comment
  CAS-BOT-BC378677  Ranunculus californicus var. californicus L. R. Abrams 1918-4-27 6906 Sonoma Independence School near Healdsburg Comment
  UCR139478  Ranunculus californicus var. cuneatus A. A. Heller 1938-5-14 15082 Sonoma San Francisco Bay/Central Coast region, the bluff north of Bodega Bay 61 Comment
  UC75662  Ranunculus lobbii Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  UCR255746  Ranunculus lobbii Greg de Nevers 1998-4-28 11211 Sonoma North Coast Range, Cresta Ranch, Cresta Road east of Mark West Lodge, on flood plain of Mark West Creek 137 Comment
  RSA534585  Ranunculus muricatus Peter Rubtzoff 1969-5-11 6033 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  POM269266  Ranunculus muricatus H. L. Mason 1928-4-7 4275 Sonoma Jenner, mouth of Russian River Comment
  UCSB2075  Ranunculus occidentalis Keator, Glenn 1959-4-1 Sonoma 8.1 miles east of Digger Indian Reservation on Stewart Point-Geyserville highway. Comment
  UC1084433  Ranunculus orthorhynchus var. bloomeri G. Thomas Robbins 1940-3-21 291 Sonoma 2-3 mi se Windsor (on Pleasant Ave. road) Comment
  UC483314  Ranunculus orthorhynchus var. bloomeri Ira L. Wiggins 1932-3-12 5757 Sonoma Knight's Valley Comment
  POM202750  Ranunculus orthorhynchus var. bloomeri I. L. Wiggins 1932-3-12 5757 Sonoma roadside ditch, Knight's Valley Comment
  RSA3946  Ranunculus orthorhynchus var. bloomeri I. L. Wiggins 1932-3-12 5757 Sonoma roadside ditch, Knight's Valley Comment
  CAS-BOT-BC251224  Ranunculus orthorhynchus var. platyphyllus Peter Rubtzoff 1959-5-31 4084 Sonoma Freestone marsh. Comment
  CAS-BOT-BC74235  Raphanus sativus Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol. Comment
  RSA523187  Raphanus sativus R. R. Halse 1987-2-22 3376 Sonoma Along State Hwy 121, 0.4 mile E of its junction with State Hwy 116 at Big Bend in the Sonoma Valley. 6 Comment
  SDSU10151  Reseda luteola D. F. Howe 1977-10-10 5016 Sonoma W. of Petaluma on D3 near Marin Co. 47 Comment
  SEINET11992994  Reseda luteola W. Knight, Knight, I.; Knight, T. 1985-1 5142 Sonoma Willow Creek Road, ca 3 mi from Coleman Valley Road Comment
  CDA31337  Rhamnus californica D. G. Kelch, Ed Biffin 2010-5-3 10 .193 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  POM136620  Rhamnus californica A. A. Heller 1902-7-8 5816 Sonoma Between Healdsburg and Geyserville Comment
  RSA390199  Rhamnus californica Christopher Davidson 1977-6-20 60115 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  UCR42378  Rhamnus californica L. F. LaPre 1985-6-5 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  SEINET11996123  Rhododendron macrophyllum F. H. Utech 1988-1 88 -217 Sonoma Salt Point, along CA 1 between Tenner & Stewart's Point, mile marker 38.39 75 Comment
  CAS-BOT-BC56662  Rhododendron occidentale Greg de Nevers 1996-5-31 10822 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. on Oak Hill Ranch 487 Comment
  RSA256986  Rhododendron occidentale var. occidentale Gary D. Wallace 1973-5-18 1201 Sonoma East of Santa Rosa on Guerneville Rd to .25 miles east of Jct. with Hwy 116, then north on Vine Hill Rd. to Pitkin Tree Farm. Comment
  CDA16153  Rhododendron occidentale var. occidentale R. Gross 1999-7-2 s.n. 1 Sonoma North Coast Ranges; NW side of Mt. St. Helena, seep below Ida Clayton Rd. (3 separate inds. on sheet.) 0 Comment
  SD243335  Rhododendron sonomense G. F. Hrusa 1989-5-8 7000 Sonoma Hogback Mountain at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  CAS-BOT-BC111870  Rhynchospora alba Peter Rubtzoff 1951-6-16 252 Sonoma Pitkin Marsh: Uppermost part of the western branch of the Upper Marsh Comment
  RSA94003  Rhynchospora californica Peter Rubtzoff 1951-7-1 343 Sonoma Lower part of Upper Marsh Comment
  CAS-BOT-BC111904  Rhynchospora capitellata Peter Rubtzoff 1951-7-28 561 Sonoma Pitkin Marsh; lower part of the upper marsh. Comment
  UC1042503  Rhynchospora capitellata Peter Rubtzoff 1951-7-1 325 Sonoma lower part Upper Marsh (near Forestville); Pitkin Marsh Comment
  UC1026384  Rhynchospora globularis var. globularis John Thomas Howell 1945-8-14 21393 Sonoma Perry Marsh Comment
  CAS-BOT-BC169005  Ribes divaricatum var. pubiflorum G. DeNevers 1981-5-2 908 Sonoma Conflluence of Leslie Creek and Mark West Creek, Pepperwood Ranch Comment
  CAS-BOT-BC212923  Ribes menziesii Peter Rubtzoff 1969-8-14 6124 Sonoma Salmon Creek Road, 3.75 miles west of Bodega (town), in vicinity of Coleman Valley Creek Comment
  RSA0021903  Ribes menziesii Peter Rubtzoff 1969-8-14 6124 Sonoma Salmon Creek Road, 3.75 mi. west of Bodega (town). Vicinity of Coleman Valley Creek. Comment
  UC75454  Ribes roezlii var. cruentum Milo S. Baker 1903-3-20 Sonoma Hood Mt. Comment
  UC75475  Ribes roezlii var. cruentum Milo S. Baker 1898-6-11 660 Sonoma Little Sulphur Creek Comment
  SBBG50761  Ribes sanguineum R. F. Denno 1967-3-23 12 Sonoma Hwy 1, 4 mi S of Fort Ross Comment
  UCSB2662  Ribes sanguineum var. glutinosum Keator, Glenn 1959-4-1 Sonoma Near lumber mill; 1.8 miles north of Fort Ross monument; on highway 1 Comment
  UC881300  Romanzoffia californica Alice Eastwood 1917-5-13 Sonoma along rd. to Bodega Bay Comment
  CAS-BOT-BC74393  Rorippa curvipes Peter Rubtzoff 1973-8-21 7250 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC74705  Rorippa curvisiliqua Peter Rubtzoff 1968-9-21 5973 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC74710  Rorippa curvisiliqua Peter Rubtzoff 1970-5-30 6242 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC74719  Rorippa curvisiliqua Volney Rattan 1877-6-21 s.n. Sonoma Santa Rosa. Comment
  UC117540  Rorippa palustris Michener and Bioletti 1892-5-15 Sonoma S. L. G. Comment
  CAS-BOT-BC152654  Rosa californica John Thomas Howell 1932-9-18 10773 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC152658  Rosa californica Peter Rubtzoff 1951-8-18 631 Sonoma Western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC152668  Rosa californica D. E. Breedlove 1980-6-27 44767 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC152670  Rosa californica Walter Knight; Irja Knight 1963-10-3 351 Sonoma Bennett Valley Comment
  SEINET11912078  Rosa gymnocarpa F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -258 Sonoma ca 10 mi from Warm Springs Dam on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC148200  Rosa rubiginosa Peter Rubtzoff 1959-5-30 4063 Sonoma Freestone Marsh 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
  CAS-BOT-BC147992  Rubus leucodermis H. E. McMinn 1922-6-17 191 Sonoma By Monte Rio Comment
  UCD113832  Rubus parviflorus Frederica Bowcutt; Jeff Kennedy, Jolie Henricks 1994-5-1 1766 a Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco; approximately 11 air miles E of Santa Rosa, about 18 air miles NW of Napa, and about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail. Approximately 200 yards from the trail head on Adobe Canyon Road and just E of Bear Creek, about 5 yards N of confluence with Sonoma Creek. 198 Comment
  JEPS76920  Rubus spectabilis Robert M. Lloyd 1963-2-24 2058 Sonoma on State Highway 1, 4 mi s State Highway 12 15 Comment
  CAS-BOT-BC157175  Rubus ursinus Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC157179  Rubus ursinus Volney Rattan 1877-6-17 s.n. Sonoma Guerneville Comment
  HSC99998  Rubus ursinus J. P. Smith, , J. O. Sawyer, & R. J. Cole 2009-10-10 12694 Sonoma Salt Point State Park Comment
  UCR178427  Rumex acetosella Frederica Bowcutt 1994-5-21 1827 Sonoma Sugarloaf Ridge State Park, c. 40 air mi N of San Francisco and c. 11 air mi east of Santa Rosa; c. 2.5 air mi NE of Kenwood; c. 18 air mi NW of Napa. Meadow trail and Gray Pine (Digger Pine) trail, 1 mile from trailhead 396 Comment
  CAS-BOT-BC422238  Rumex acetosella G. DeNevers 1981-5-30 1336 Sonoma Pepperwood Ranch. N of Hansel's corral. Comment
  SD39769  Rumex berlandieri Edith A. Purer 1932-7-24 4086 Sonoma Bodega Bay, stabilized sand dunes Comment
  CAS-BOT-BC421852  Rumex conglomeratus Peter Rubtzoff 1951-6-30 309 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC433416  Rumex crispus Peter Rubtzoff 1951-6-30 310 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  UCD101132  Rumex crispus Frederica Bowcutt 1994-6-24 1880 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa.Trailhead for Lower Bald Mountain trail off of Stern Trail. 377 Comment
  UCR279631  Rumex fueginus Peter Rubtzoff 1962-9-30 5097 Sonoma Vacation Beach, 2 miles below Guerneville 6 Comment
  CAS-BOT-BC433742  Rumex occidentalis Mary P. Wells 1987-7-23 900 Sonoma Within fork of north creek south of Pacific Reach. The Sea Ranch. Comment
  CAS-BOT-BC433846  Rumex pulcher G. DeNevers 1981-5-30 1384 Sonoma Pepperwood Ranch. By Pippindale Pond. Comment
  UC188628  Rupertia physodes Michener and Bioletti 1893-5-28 Sonoma Glen Ellen Comment
  SEINET4344595 Image available Rytidosperma penicillatum Unknown 2003-7-19 18246 Sonoma Bodega Bay, coastal meadow behind community center on west side of Hwy 1 north of town. Comment
  RSA658431  Rytidosperma pilosum J. C. Roos 1957-7-2 6651 Sonoma Miller ridge Comment
  UC905115  Sagina decumbens subsp. occidentalis Milo S. Baker 1947-4-25 11703 Sonoma e. of football field Santa Rosa Jr. College Comment
  UC465492  Sagina maxima subsp. crassicaulis Katharine Brandegee 1905-1 Sonoma Bodega Point Comment
  CAS-BOT-BC445779  Sagittaria latifolia Peter Rubtzoff 1958-7-26 3814 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC445775  Sagittaria latifolia Peter Rubtzoff 1955-8-28 2111 Sonoma Forestville Marsh. Comment
  RSA227245  Sagittaria latifolia Peter Rubtzoff 1955-8-28 2111 Sonoma Forestville Marsh Comment
  CAS-BOT-BC290676  Salix Peter Rubtzoff 1973-10-10 7337 Sonoma Salmon Creek, 0.25 miles south of Freestone. Comment
  UCD151195  Salix James A. Neilson Jr. 1974-7-10 2975 Sonoma Mayacmas Mountains, road to PG and E geothermal units 9 and 10. (Elevation estimated using topo map by label maker.) 975 Comment
  CAS-BOT-BC290592  Salix babylonica Peter Rubtzoff 1955-8-14 2051 Sonoma Forestville Marsh. Comment
  RSA0015567  Salix babylonica Peter Rubtzoff 1955-8-14 2051 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC103083  Salix bonplandiana Peter Rubtzoff 1966-9-10 5819 Sonoma Atascadero Creek Marsh Comment
  RSA13574  Salix coulteri W. A. Setchell 1934-7-10 7 Sonoma Coast Highway. N of Fort Ross. Comment
  CAS-BOT-BC103943  Salix exigua Peter Rubtzoff 1957-5-26 3371 Sonoma Vacation Beach, near Guerneville. Sandy bank of Russian River Comment
  CAS-BOT-BC107754  Salix hindsiana J. W. Congdon 1880-5-1 s.n. Sonoma Santa Rosa Comment
  SD133980  Salix laevigata Peter Rubtzoff 1966-9-10 5819 Sonoma Atascadero Creek Marsh. Along sluggish marshy Atascadero Creek just below the marsh Comment
  UC1084372  Salix laevigata G. Thomas Robbins 1937-3-27 43 Sonoma Santa Rosa Creek Santa Rosa, Santa Rosa Creek Comment
  SEINET10393011  Salix laevigata A. A. Heller 1902-4-22 5346 Sonoma Santa Rosa Creek, near Santa Rosa. Comment
  CAS-BOT-BC128054  Salix lasiandra var. lasiandra Peter Rubtzoff 1962-5-5 4806 Sonoma Fife Creek Marsh, open bank of Fife Creek - Sonoma County Marshes Comment
  CAS-BOT-BC128068  Salix lasiandra var. lasiandra Baker; Ball; Bracelin; Crum 1931-5-9 347 Sonoma About 2 km. east of Bodega Bay. Comment
  CAS-BOT-BC107089  Salix lasiolepis Mary P. Wells 1986-2-2 726 Sonoma north of Wild Moor Reach, The Sea Ranch Comment
  CAS-BOT-BC107093  Salix lasiolepis Peter Rubtzoff 1964-8-26 5487 Sonoma Marsh 5 mi. northeast of Penngrove on Lichau Rd. 213 Comment
  UC482119  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UC482120  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UC524780  Salix lasiolepis W. A. Setchell 1934-7-10 1 Sonoma 1 or 2 mi. w. Fort Ross (Coast Hwy.) 76 Comment
  UC66159  Salix lasiolepis A. A. Heller 1902-3-10 5016 Sonoma hills 2 mi se Santa Rosa Comment
  SEINET10396745  Salix lasiolepis A. A. Heller 1902-3-28 5177 Sonoma Bodega Bay. Comment
  RSA534500  Salix lasiolepis var. bigelovii Peter Rubtzoff 1959-6-13 4136 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC125698  Salix melanopsis W. A. Setchell 1931-8-1 s.n. Sonoma Bohemian Grove, near Monte Rio, in gravelly bed of Russian River Comment
  UC490559  Salix melanopsis Joseph P. Tracy 1932-5-8 9898 Sonoma Geyserville Northern Coast Ranges, Geyserville Comment
  POM362927  Salix scouleriana Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental on Occidental Grade. Comment
  UC1010343  Salix scouleriana Milo S. Baker 1929-4-12 3428 a Sonoma w. of Occidental (on Coleman Valley Rd.) Comment
  RSA90536  Salix scouleriana Milo S. Baker 1939-4-12 3428 -c Sonoma W of Occidental 0.5 mile Coleman Valley Rd Comment
  UC1199055  Salix sitchensis Joseph P. Tracy 1940-8-18 16696 Sonoma Mayacama Creek below Knight's Valley; Mayacama Creek 152 Comment
  UC453081  Salix sitchensis W. A. Setchell 1931-7-25 3 Sonoma above Russian R. at Bohemian Grove near Monte Rio Comment
  UC524782  Salix sitchensis W. A. Setchell 1934-7-10 2 Sonoma opposite C. Call's house Fort Ross (Coast Hwy.) 30 Comment
  UCD111894  Salix sitchensis P. G. Connors 1991-7-2 192 Sonoma On lower slope of damp hillside on Bodega Head, bordering harbor. Comment
  UCLA70040  Salvia columbariae A. A. Heller and H. E. Brown 1902-4-4 5212 Sonoma hills e Santa Rosa Comment
  UCR255030  Salvia columbariae Greg de Nevers 1993-5-30 10466 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CDA10856  Salvia sonomensis G. F. Hrusa, G. L. Stebbins 1994-4-8 11732 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  UC192603  Salvia sonomensis Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  POM126741  Salvia sonomensis H. P. Chandler 1907-4-27 7545 Sonoma Napa County: St. Helena to Santa Rosa via spring Mt. Comment
  SEINET12329971  Sambucus caerulea F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -183 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  SEINET10501134  Sambucus racemosa var. arborescens Frederick H. Utech, Walter Knight; Irja Knight 1984-4-17 Utech 84 -159 Sonoma Ca 5.0 mi E of Bridgehaven on Willow Creek Rd. Tree to 10 ft tall; edge of Redwood Forest Association. 145 Comment
  CAS-BOT-BC235077  Sambucus racemosa var. racemosa F. H. Utech; Walter Knight; Irja Knight 1984-4-17 84 -159 Sonoma Ca 5.0 mi E of Bridgehaven on Willow Creek Road 144 Comment
  JEPS102077  Sanguisorba minor subsp. muricata Dean Schlichting 2002-5-16 Sonoma Bohemian Grove 76 Comment
  JEPS98654  Sanicula arctopoides O. Gomez, R. Power, E. and P. Vargas 1996-4-7 7 PV96 Sonoma Bodega Head Bodega Bay 76 Comment
  UC353929  Sanicula arctopoides Milo S. Baker 1928-4-14 2980 a Sonoma Coast near Bay Bay Comment
  CHSC34607  Sanicula bipinnatifida Jeffrey D. Prouty 1979-4-11 224 Sonoma Ca. 7 mi n of Santa Rosa. Grassy slope ca. 100 yds w of Mark West Springs Rd., ca. 300 yds n of jctn. with Michelle Way. 164 Comment
  JEPS98655  Sanicula bipinnatifida O. Gomez, R. Power, E. and P. Vargas 1996-4-7 8 PV96 Sonoma Armstrong Redwoods, ridge over Bullfrog pond Cazadero Comment
  RSA177985  Sanicula bipinnatifida R. F. Thorne 1965-4-20 34341 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  SEINET12122193  Sanicula crassicaulis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -261 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CDA10850  Sanicula laciniata G. F. Hrusa, G. L. Stebbins 1994-4-8 11726 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  CDA12824  Sanicula laciniata G. F. Hrusa, R. Gross 1996-3-8 12656 Sonoma North Coast Biodiversity Arena; S side of Foote Creek. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  UC1022552  Sanicula laciniata C. Ritchie Bell 1951-2-19 3 -103 Sonoma e of Glen Ellen (by California Highway 12) Comment
  RSA799991  Saponaria Peter Rubtzoff 1967-8-18 5849 Sonoma 6 mi east of Guerneville. Comment
  UC635130  Saxifraga integrifolia H. L. Mason 1931-3-7 5808 Sonoma 12 mi w of Santa Rosa (Vine Hill School); Vine Hill School Comment
  RSA474863  Saxifraga mertensiana R. C. Bacigalupi 1948-3-6 2854 Sonoma 1 mile W of Skaggs Springs. Comment
  UC21368  Scandix pecten-veneris F. T. Bioletti Jun 1891 Sonoma Kenwood Comment
  UCD65652  Schedonorus arundinaceus Gerry North 1993-4 35 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At lower camping area, 50 m east of foot bridge. 365 Comment
  CAS-BOT-BC283143  Schedonorus arundinaceus G. De Nevers 1981-6-20 1633 Sonoma At the Dentist's Lake, Pepperwood Ranch Comment
  RSA0022392  Schedonorus arundinaceus Peter Rubtzoff 1962-5-11 4823 Sonoma Laguna de Santa Rosa. E of Cunningham (near Llano Road). Comment
  SEINET12337134  Schedonorus arundinaceus W. Knight, Knight, I.; Howell, J. T. 1987-1 6282 Sonoma NE corner Llano & Todd roads 26 Comment
  UCD65648  Schedonorus arundinaceus David L. Morgan 1956-4-20 Sonoma Wilson St., 1/2 block SW of Jefferson, Petaluma. 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-BC111431  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1955-8-6 2017 Sonoma Bodega Head Marsh, open, wet ground. Comment
  CAS-BOT-BC111632  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4573 Sonoma Bodega Harbor Marsh; freshwater part. Comment
  SEINET11750538  Schoenoplectus tabernaemontani H. K. Wagnon 1988-1 1744 Sonoma Santa Rosa, Spring Lake Park, just S of Montgomery Dr 73 Comment
  UCD141248  Scirpus microcarpus Mary M. Hektner 1976-10-19 271 Sonoma just south of Irena Morgan's house on Pacific Reach, Unit 24 Owner's Map, Sea Ranch. Comment
  SEINET7883439 Image available Scleropoa rigida Leo Koch 1940-1 964 Sonoma 349 Second Avenue Wood Residence; persisting at this locality for at least 10 years Comment
  SEINET12050504  Scoliopus bigelovii F. H. Utech 1988-1 88 -215 Sonoma Salt Point, along CA 1 between Jenner & Stewart's Point, mile marker 38.39 75 Comment
  SEINET12057679  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -002 Sonoma WNW of Sebastapol, 0.2 mi S of Occidental Road on Furlough Road, Sturgeon's Mill 80 Comment
  SEINET12058068  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -006 Sonoma 5.75 mi W of jct of Willow Creek Rd & Coleman Valley Rd on former near headwater of Willow Creek 60 Comment
  SEINET12058072  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -004 Sonoma ca 0.3 mi WNW of Camp Meeker on Bohemian Road along floodplain of Dutch Bill Creek 50 Comment
  CAS-BOT-BC240035  Scribneria bolanderi John Thomas Howell 1948-4-18 24209 Sonoma Hills east of Agua Caliente Comment
  UC972188  Scribneria bolanderi Milo S. Baker 1952-3-20 12396 Sonoma about 1/4 mi n of Caliente (e side of Highway 12); Highway 12 Comment
  CAS-BOT-BC320545  Scrophularia californica Peter Rubtzoff 1955-8-20 2069 Sonoma Bodega Harbor Marsh. 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
  UCR249344  Scrophularia californica Peter Rubtzoff 1958-8-23 3913 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  SEINET10869909 Image available Scutellaria antirrhinoides A. Arthur Heller 1902-6-27 Heller 5786 Sonoma West of Windsor near Russian River Comment
  RSA0004003  Scutellaria viarum A. A. Heller 1902-6-27 5786 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC371442  Sedum radiatum subsp. radiatum Greg de Nevers 1998-4-26 11193 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Al Cuneo's property in Sec. 6 400 Comment
  UCD102068  Sedum spathulifolium Winifred Anderson 1966-5-7 21 Sonoma Pine Flat Road, 10 miles east of Healdsburg. 182 Comment
  UCD168042  Selaginella wallacei James A. Neilson Jr. 1981-3-13 3996 Sonoma Mayacmas Mountains, in Hummingbird Creek near mouth of a tributary. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC62199  Selaginella wallacei John Thomas Howell 1926-11-14 2251 Sonoma Hills east of Santa Rosa Comment
  UCR279645  Senecio glomeratus Peter Rubtzoff 1954-8-3 1636 Sonoma Lower Salmon Creek Marsh 6 Comment
  JEPS37084  Senecio minimus W. L. Jepson 1931-7-19 15954 Sonoma between Russian River mouth and Occidental Comment
  SJSU14233  Senecio minimus C. W. Sharsmith 1989-5-14 9090 Sonoma Salt Point State Park c. 10 mi NW of Fort Ross Comment
  CAS-BOT-BC364681  Senecio vulgaris Peter Rubtzoff 1973-8-20 7220 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  SEINET8057879 Image available Sequoia sempervirens A. A. Heller 1902-1 5080 Sonoma Russian river, near Trenton Comment
  CAS-BOT-BC240276  Setaria viridis G. DeNevers 1981-6-20 1653 Sonoma Pepperwood Ranch. Along Franz Valley Road, N side of main hill at bottom of Hill Comment
  SBBG4695  Sidalcea H. and M. Dearing 1939-5-14 3368 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  CAS-BOT-BC187887  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-8-19 640 Sonoma Southern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC187890  Sidalcea calycosa subsp. rhizomata J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC187881  Sidalcea calycosa subsp. rhizomata Lillian Reinecke 1940-4-20 s.n. Sonoma Black Point Road, 5 miles S of Sonoma Comment
  CHSC66957  Sidalcea malviflora subsp. laciniata James D. Jokerst; Lorie May 1993-5-13 3980 Sonoma Sonoma Air Center. Comment
  CHSC63918  Sidalcea malviflora subsp. purpurea John Hale 1990-4-10 16 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
Read comments
Sep 2 2009
  CAS-BOT-BC290629  Sidalcea oregana subsp. valida Peter Rubtzoff 1979-7-15 9292 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 miles west of its junction with Franz Valley Road. Comment
  CAS-BOT-BC320549  Silene Peter Rubtzoff 1969-8-14 6134 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  UC640594  Silene californica Edward Lee 1936-6-8 2209 Sonoma North Ridge Fire Trail North Coast Range, Bohemian Grove (Monte Rio) (Bohemian Grove (Monte Rio)) Comment
  CAS-BOT-BC392492  Silene gallica Greg de Nevers 1997-5-23 11008 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. 457 Comment
  UC1300952  Silene gallica Helen K. Sharsmith 1963-5-25 5478 Sonoma on road from Freestone to Occidental; San Francisco Bay Region, rd fr Freestone to Occidental 121 Comment
  UCD158812  Silene gallica James A. Neilson Jr. 1974-4-16 3169 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  SEINET4855742  Silene grandis Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point. Comment
  UC1745645  Silene multinervia Annetta M. Carter 1947-5-30 1841 Sonoma S slopes of Hood Mt. N of Milo S Baker residence, Kenwood. Comment
  CAS-BOT-BC74920  Sinapis arvensis L. R. Abrams 1943-5-2 14332 Sonoma Vacant lot along U.S. Highway 101, Healdsburg. Comment
  JEPS53886  Sisymbrium altissimum R. Kuhn 1914-6-1 Sonoma Sonoma Comment
  CAS-BOT-BC75370  Sisymbrium officinale Peter Rubtzoff 1951-7-21 490 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh. Near the highway. Comment
  CHSC78104  Sisyrinchium bellum David Cheetham 1998-6-26 27 Sonoma 125-150 ft. elevation. I street extension. 38 Comment
  RSA366986  Sisyrinchium bellum Christopher Davidson 1977-6-20 6037 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  RSA227220  Sisyrinchium californicum Peter Rubtzoff 1964-6-3 5341 Sonoma Bodega Bay Marsh. Comment
  SEINET5272562  Sisyrinchium californicum Unknown 1994-4-3 81 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; Hwy 1 Comment
  SEINET3887843  Smilacina racemosa James Faro 1962-4-20 24 Sonoma About 5 miles North of Geurneville on the Old Cazadero Rd.; 0 Comment
  CAS-BOT-BC164026  Solanum Peter Rubtzoff 1973-8-21 7245 Sonoma Sonoma Creek bottom near Aqua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC164064  Solanum Peter Rubtzoff 1960-6-25 4521 Sonoma Laguna de Santa Rosa, east of Graton (between Occidental and Guerneville Roads). Comment
  CAS-BOT-BC164409  Solanum Peter Rubtzoff 1959-8-30 4251 Sonoma Drake's Beach, near Guerneville. Comment
  CAS-BOT-BC164701  Solanum Peter Rubtzoff 1953-11-1 1433 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC164707  Solanum Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7845 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC164416  Solanum Peter Rubtzoff 1960-9-17 4568 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  CDA5905  Solanum carolinense T. C. Fuller 1967-9-12 16360 Sonoma 1605 Laguna Road, Sebastopol . 0 Comment
  CAS-BOT-BC361291  Solanum jasminoides Greg de Nevers 1993-5-15 10445 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  CAS-BOT-BC361394  Solidago velutina subsp. californica Greg de Nevers 1993-7-27 10477 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa S slope of Telegraph Hill 400 Comment
  CAS-BOT-BC365261  Solidago velutina subsp. californica Alice Eastwood 1915-6-29 4804 Sonoma Bodega Point Comment
  UC1613315  Solidago velutina subsp. californica Charles M. Belshaw 1936-9-18 2670 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC365267  Solidago velutina subsp. californica G. DeNevers 1981-7-19 1765 Sonoma Pepperwood Ranch. Near the Trapper's Cabin Comment
  CAS-BOT-BC365957  Soliva sessilis G. DeNevers 1981-4-30 888 Sonoma Pepperwood Ranch. At Pippindale Garden. Also at Garrison House Comment
  CAS-BOT-BC365963  Soliva sessilis John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54672 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  RSA788954  Sonchus asper subsp. asper Peter Rubtzoff 1955-9-24 2153 Sonoma Duncans Mills Marsh. Comment
  RSA788955  Sonchus asper subsp. asper Peter Rubtzoff 1960-5-18 4391 Sonoma Bodega Head Marsh. Comment
  UCD134042  Sonchus oleraceus Frederica Bowcutt 1984-6-23 435 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. North of Gerstle Cove approx. 1/4 mile. W of Highway 1. 15 Comment
  UCD136184  Sonchus oleraceus Mary M. Hektner 1974-7-25 167 Sonoma Galleon's Reach, Unit 3 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC236594  Sorghum halepense G. DeNevers 1981-6-26 1664 Sonoma Along River Road between Fulton and Mirabel Park, Russian River area Comment
  UCR218643  Spartium junceum George K. Helmkamp, E. A. Helmkamp 2010-6-4 16208 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
  CAS-BOT-BC258919  Spergula Peter Rubtzoff 1958-9-28 s.n. Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  CAS-BOT-BC390045  Spergula arvensis Peter Rubtzoff 1952-3-23 880 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  CAS-BOT-BC390049  Spergula arvensis Ella Dales Cantelow 1940-4-20 3446 Sonoma N. of Ft. Ross. Hy I Comment
  UCR275244  Spergularia Peter Rubtzoff 1971-7-23 6614 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 70 Comment
  UCR275245  Spergularia Peter Rubtzoff 1971-7-3 6591 Sonoma Intermittent lake off west side of Hwy 1, 0.7 miles SE of Salmon Creek crossing 30 Comment
  CAS-BOT-BC323963  Spergularia Peter Rubtzoff 1971-7-23 6614 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC390729  Spergularia rubra Alice Eastwood; John Thomas Howell 1937-5-31 4503 Sonoma 6 miles north of Bodega Bay Comment
  CAS-BOT-BC390732  Spergularia rubra Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  CAS-BOT-BC500695  Stachys Peter Rubtzoff 1954-8-13 1708 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC500699  Stachys Peter Rubtzoff 1961-5-24 4603 Sonoma Upper Stemple Creek Marsh Comment
  UC727698  Stachys ajugoides var. ajugoides Milo S. Baker 1946-7-27 11535 Sonoma n Sears Pt. (along hiwy.) Comment
  UCLA71586  Stachys ajugoides var. ajugoides John Thomas Howell 1930-6-8 5228 Sonoma 4 mi e Valley Ford (Bodega Road) Comment
  UCD125541  Stachys chamissonis Frederica Bowcutt 1984-6-24 437 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg . W of Hwy 1. N of Gerstle Cove along creek. 15 Comment
  SEINET9365554  Stachys rigida Unknown 1994-5-25 Sonoma Bodega Head East Comment
  SEINET9333111  Stachys rigida var. quercetorum John Nelson, Wnek, R. 2000-3-7 20940 Sonoma Coleman Beach Comment
  SEINET9361053  Stachys rigida var. quercetorum John Nelson, Wnek, Richard 2000-3-7 21352 Sonoma Guerneville Comment
  UCD160883  Stachys rigida var. quercetorum James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3279 Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCR248886  Stellaria media Peter Rubtzoff 1970-10-29 6418 Sonoma Dune pond near U.C. Bodega Marine Laboratory 13 Comment
  UCD167313  Streptanthus James Neilson 1977-6-7 3905 Sonoma Mayacmas Mountains, between Lunar Point and crest of Mayacmas. Same area as Neilson 3904. (Location information obtained from Neilson 3911 which indicated that Lunar Point is west of Locke Cabin. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC61147  Streptanthus barbiger Milo S. Baker 1946-7-4 11519 Sonoma Harrison Grade, 2 miles northeast of Occidental. Comment
  RSA74053  Streptanthus barbiger Milo S. Baker 1947-5-30 11775 Sonoma Located 2 miles NE of Occidental along Harrison Grade. Comment
  UC956505  Streptanthus barbiger Freed W. Hoffman 1947-9-5 1067 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UCD168162  Streptanthus brachiatus James Neilson 1977-3-28 3856 Sonoma Mayacmas Mountains, Location 8, US Geothermal 1. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD72523  Streptanthus brachiatus Sharon Strauss 2007-6-28 s. n. Sonoma Audubon Mayacamas Mountains Wildlife Refuge, Pine Flat Road, 0.25 mile on left from parking area down unpaved road from gate. 853 Comment
  SEINET10735472 Image available Streptanthus brachiatus Arthur R. Kruckeberg 1949-6-5 Kruckeberg 2905 Sonoma Exposed serpentine ridge near Contact Mine, east of Pine Flat, on the Sonoma-Lake county line. 914 Comment
  UC956618  Streptanthus brachiatus subsp. brachiatus Freed W. Hoffman 1949-7-6 2871 Sonoma e. Pine Flat (ridge near contact Mine, on Sonoma-Lake co. line); North Coast Ranges 914 Comment
  UC1292754  Streptanthus glandulosus Freed W. Hoffman 1948-5-24 2337 Sonoma Austin Creek road just above Great Easten Quicksilver Mine North Coast Ranges Comment
  UC1292755  Streptanthus glandulosus Freed W. Hoffman 1947-6-4 1066 Sonoma near Dorr's Cabin, East Austin Creek Comment
  SEINET4924852  Streptanthus glandulosus H. N. Bolander 3944 Sonoma At the Geysers. Comment
  UC117404  Streptanthus glandulosus subsp. glandulosus Michener and Bioletti 1892-5-1 Sonoma Hood's Peak Comment
  JEPS18148  Streptanthus glandulosus subsp. secundus Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5672 Sonoma headwaters of creek near Layton Chromite Mine (along and just above creek-bed); Big Austin Creek, vicinity of The Cedars 266 Comment
  UC1492788  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-24 3395 Sonoma headwaters of East Austin Creek North Coast Ranges, The Island Comment
  UC985953  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-17 2343 Sonoma Red Slide at headwaters of creek North Coast Ranges, East Austin Creek Comment
  UCD161866  Streptanthus morrisonii James A. Neilson Jr. 1980-6-16 3983 Sonoma On unnamed tributary of Little Sulphur Creek above Healdsburg-Geysers Road. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD167364  Streptanthus morrisonii James Neilson Date Unknown 4058 Sonoma Creek northeast of Layton Mine buildings. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD167365  Streptanthus morrisonii James Neilson Date Unknown 4059 Sonoma Hillside due east of Layton Mines. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC258005  Symphoricarpos Peter Rubtzoff 1966-6-5 5754 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  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-BC540817  Symphoricarpos Peter Rubtzoff 1961-9-6 4735 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  UCD137411  Symphoricarpos albus var. laevigatus Frederica Bowcutt; Jeff Kennedy , Jolie Henricks 1994-5-1 1763 Sonoma Sugarloaf Ridge State Park. About 40 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 NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  UCR255676  Symphyotrichum Greg de Nevers 1997-8-17 11078 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, Oak Hill Ranch 400 Comment
  CAS-BOT-BC97819  Symphyotrichum chilense Peter Rubtzoff 1961-10-18 4767 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC97836  Symphyotrichum chilense Milo S. Baker 1948-9-1 12042 Sonoma About 1 mi north of [Hiway] Highway Junction (i.e., Sears Point) of Sears Point from Vallejo and Black Point cut off Comment
  UCD38979  Symphyotrichum lanceolatum var. hesperium Beecher Crampton 1960-11-30 5811 Sonoma 1 mile east of Vineburg. Comment
  UC1485932  Symphyotrichum lentum Charles Patterson 1980-9-13 Sonoma Hog Island (n tip) Hog Island Comment
  CAS-BOT-BC157679  Taraxacum Peter Rubtzoff 1974-4-17 7367 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC157675  Taraxacum Peter Rubtzoff 1958-4-26 3587 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC447465  Tellima grandiflora A. A. Heller; H. E. Brown 1902-4-11 s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC366875  Thalictrum polycarpum Greg de Nevers 1998-4-27 11201 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  UC16391  Thermopsis californica var. californica F. T. Bioletti 1892-5-15 Sonoma South Los Guilicos Comment
  RSA66922  Thermopsis californica var. californica E. K. Balls, Lee W. Lenz, B. K. Balls 1951-5-3 16400 Sonoma About 3 mi. north of Hwy 12 on road to Petrified Forest. Comment
  CAS-BOT-BC66818  Thysanocarpus curvipes A. A. Heller; H. E. Brown 1902-3-21 5114 Sonoma Hills southeast of Santa Rosa. Comment
  RSA0041614  Thysanocarpus curvipes var. elegans David D. Keck 1931-4-4 1099 Sonoma Santa Rosa Creek Canyon. 225 Comment
  CAS-BOT-BC66951  Thysanocarpus laciniatus John Thomas Howell 1934-3-27 11802 Sonoma Santa Rosa Creek Canyon. Comment
  UC11054  Thysanocarpus radians W. H. Brewer 1862-4-18 967 Sonoma near Sonoma Comment
  UC609293  Thysanocarpus radians Milo S. Baker 1934-3-27 7580 Sonoma Vernal pool by Bennett Valley road se Santa Rosa; se of Santa Rosa Comment
  RSA0049966  Thysanocarpus radians John H. Thomas 1968-4-4 14268 Sonoma 2.8 miles NE of highway 101 on road to Mark Springs West, along Mark Springs road. Comment
  CAS-BOT-BC447595  Tiarella trifoliata subsp. unifoliata Catherine Best 1980-7-1 s.n. Sonoma Growing on the bank of Dutch Bill Creek about 1 mile north of Occidental Comment
  RSA135474  Tiarella trifoliata var. unifoliata Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  CAS-BOT-BC447599  Tiarella trifoliata var. unifoliata Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road 3 mi east of Stewarts' Point Comment
  SD88502  Tiarella trifoliata var. unifoliata Darley F. Howe 1972-6-27 Sonoma Bank of Duncan Mills Pond Comment
  UC909775  Torilis arvensis Milo S. Baker June 1950 12277 Sonoma South end of bridge across Sonoma Creek at Baker Ranch near Kenwood. Comment
  SEINET5850106 Image available Torilis arvensis Robert A. Norris, John L. Inase, Allen Nakagwa 1981-1 4205 Sonoma Local in dry ditch by Trenton Rd., just S of and paralleling River Rd., (near N part of Laguna de Santa Rosa), approx. halfway between Guerneville and Santa Rosa, Sonoma Co. Calif. 15 Comment
  JEPS63141  Trichostema laxum Milo S. Baker 1923-8-26 443 Sonoma near Geyserville (Russian River) Comment
  UCD158711  Trichostema laxum Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 1 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Shell US Geothermal # 2. Elevation estimated by label maker. 792 Comment
  SEINET6174104 Image available Trientalis europaea var. latifolia Sally Walker 1981-5-25 Sonoma 3 miles west of Occidental Sonoma co. Comment
  CAS-BOT-BC166755  Trifolium Peter Rubtzoff 1974-8-5 7815 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC166760  Trifolium Peter Rubtzoff 1970-9-13 6386 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166759  Trifolium Peter Rubtzoff 1972-6-23 6783 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC173624  Trifolium Peter Rubtzoff; Walter Lennon 1974-5-11 7393 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC173637  Trifolium Peter Rubtzoff 1976-5-30 8556 Sonoma Kenwood Marsh. Comment
  JEPS117950  Trifolium Zoya Akulova-Barlow 2005-12-1 Sonoma Cloverdate River Park, Russian River Comment
  RSA784989  Trifolium Peter Rubtzoff 1974-5-18 7420 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCSC010633  Trifolium R. Morgan 2014-5-12 5637 b Sonoma Bodega Head Comment
  UC726771  Trifolium amoenum A. A. Heller 1940-5-17 15636 Sonoma 2 mi w Valley Ford (State Hwy 1) Comment
  UCD143667  Trifolium barbigerum A. A. Heller 1903-4-23 6609 Sonoma Fort Ross. Comment
  POM313529  Trifolium barbigerum P. B. Kennedy 1929-5-24 10292 Sonoma Between Sea View and Plantation Comment
  UC16440  Trifolium bifidum var. bifidum H. N. Bolander 1864-1 3856 Sonoma Russian River Bed Comment
  UCD165135  Trifolium bifidum var. decipiens Peter Rubtzoff 1974-5-18 7418 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA121691  Trifolium ciliolatum B. O. Schreiber 1936-3-5 2211 Sonoma Healdsburg quadrangle, 2 miles WNW of Mark W Srpings. 122 Comment
  UCD108278  Trifolium ciliolatum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 65 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road. 259 Comment
  UCD108327  Trifolium depauperatum Caitlin Lewis; William Mutch 1993-4-17 4 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain. 1 mile. Near visitor center. 365 Comment
  UCD165169  Trifolium depauperatum var. depauperatum Peter Rubtzoff 1974-5-26 7496 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UC16480  Trifolium depauperatum var. depauperatum F. T. Bioletti 1892-1 Sonoma Comment
  UCD108545  Trifolium depauperatum var. truncatum R. Tofsrud 1951-5-27 s.n. Sonoma Daken's place near Mark West Springs. Comment
  RSA0060108  Trifolium fragiferum Greg de Nevers 1995-6-16 10755 Sonoma Knights Valley, marsh at base of hills at south end of the valley, on the Bavarian Lion Ranch. 91 Comment
  UCD109024  Trifolium fucatum P. B. Kennedy 1929-5-24 10295 Sonoma Between Cazadera and Seaview. Comment
  UCD165150  Trifolium gracilentum Peter Rubtzoff 1974-5-18 7428 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD166120  Trifolium hybridum Peter Rubtzoff 1972-6-23 6783 Sonoma Atascadero Creek Marsh. Comment
  SEINET12165542  Trifolium incarnatum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -158 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd., between Jimtown & Mercuryville 120 Comment
  JEPS128265  Trifolium microcephalum Roger Raiche 2000-4-8 031 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC631590  Trifolium microdon P. B. Kennedy 1915-5-31 Sonoma along trails; Del Mar Comment
  POM21419  Trifolium obtusiflorum A. A. Heller 1902-5-23 5605 Sonoma Sonoma Comment
  UCR255722  Trifolium striatum Greg de Nevers 1998-5-12 11245 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD109492  Trifolium variegatum var. major Peter Rubtzoff 1969-5-3 6023 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  JEPS66095  Trifolium variegatum var. melananthum F. T. Bioletti 1893-5-26 Sonoma South Los Guilicos Comment
  SEINET10577509  Trifolium variegatum var. rostratum Michener MICHENER s.n. Sonoma Kenwood Comment
  UC70390  Trifolium variegatum var. variegatum Milo S. Baker 1898-5-7 587 Sonoma near Glen Ellen Comment
  POM21426  Trifolium variegatum var. variegatum A. A. Heller, H. E. Brown, A. H. Heller 1902-4-22 5341 Sonoma Bet Santa Rosa and Agua Caliente Comment
  CAS-BOT-BC361340  Trifolium willdenovii Greg de Nevers 1997-4-24 10974 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC16754  Trifolium willdenovii W. H. Brewer 1862-4-17 981 Sonoma Sonoma Valley Comment
  UC496412  Trifolium willdenovii Merle Randall 1930-4-7 Sonoma Redwood Grove Cazadero Comment
  UCD35305  Trifolium willdenovii Beecher Crampton 1955-4-5 2404 Sonoma 2 miles west of Fulton, along Woolsey Road. Comment
  SEINET10577447  Trifolium wormskioldii var. wormskioldii A. Arthur Heller 1902-6-10 Heller s.n. Sonoma Santa Rosa Comment
  UC1084348  Trillium albidum G. Thomas Robbins 1937-3-25 2 Sonoma Sonoma Creek Bennett Valley, Sonoma Creek Comment
  SEINET12051461  Trillium albidum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -263 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC521309  Trillium rivale Peter Rubtzoff 1957-5-4 3317 Sonoma Duncans Mills Marsh area. Redwood forest bordering the Marsh in the west. Comment
  UC1238006  Triphysaria eriantha subsp. eriantha John H. Weiler, D. Kaplan 1961-3-27 6165 Sonoma along state highway 12, 3.4 mi n Agua Caliente; n of Agua Caliente Comment
  JEPS87248  Triphysaria eriantha subsp. eriantha Jack and Betty Guggolz 1991-5-27 1152 Sonoma found between Hwy 1 and the ocean just s of the s end Myers Grade 182 Comment
  SEINET6987684  Triphysaria eriantha subsp. eriantha Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Weedy flat next to maritime grassland; cove at Bodega Head. Comment
  UC76120  Triphysaria eriantha subsp. eriantha Milo S. Baker 1898-3-26 739 Sonoma Reservoir Hills Comment
  UC76114  Triphysaria eriantha subsp. rosea Milo S. Baker 1898-4-5 Sonoma between Sea View and Stewart's Pt.; between Sea View and Stewart's Pt. Comment
  SD114394  Triphysaria versicolor Darley F. Howe 1963-7-3 3583 Sonoma 20 miles north of junction with #12 on #1 Comment
  CHSC32884  Triphysaria versicolor subsp. faucibarbata N. Kvasnik 1980-4-2 2 Sonoma Ca. 15 mi se of Petaluma. Ca. 1.3 mi w of jct of Warm Springs Rd and Sonoma Mountain Rd on s side of road. 225 Comment
  UC194181  Triphysaria versicolor subsp. faucibarbata Michener and Bioletti 1893-6-7 Sonoma Kenwood Comment
  UC726328  Triphysaria versicolor subsp. faucibarbata A. A. Heller 1940-4-22 15555 Sonoma in a grassy field at Windsor Comment
  JEPS15319  Triphysaria versicolor subsp. versicolor A. A. Heller 1928-5-14 15090 Sonoma just e of the town Bodega Comment
  CAS-BOT-BC200102  Trisetum canescens G. DeNevers 1982-5-2 1973 Sonoma W arm of Garrison Canyon Comment
  CAS-BOT-BC200110  Trisetum canescens Roxana S. Ferris; Laura Lorraine 1961-6-14 13533 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway 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
  CAS-BOT-BC522356  Triteleia hyacinthina Peter Rubtzoff 1959-5-31 4087 Sonoma Freestone Marsh; Sonoma County Marshes Comment
  CAS-BOT-BC522362  Triteleia hyacinthina Peter Rubtzoff 1971-6-5 6511 Sonoma Vernal pool 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC522373  Triteleia hyacinthina G. DeNevers; S. Kaza 1981-5-7 974 Sonoma 10510 Old Redwood Hwy. 2 miles NW of Windsor exit from 101, vernal pool meadow, vacant lot by Healdsburg Rent-All Comment
  CAS-BOT-BC523026  Triteleia hyacinthina David D. Keck 1933-5-28 2322 Sonoma 3.4 miles east of Shellville (just east intersection of Sonoma road). Comment
  UC72473  Triteleia laxa Milo S. Baker 1898-4-23 580 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC527033  Triteleia laxa Peter Rubtzoff 1955-7-9 1944 Sonoma Forestville Marsh, Sonoma County Marshes Comment
  CLARK-A1528-1521  Triteleia laxa John C. Roos 1950-7-22 4866 Sonoma Jenner Comment
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Sep 13 2015
  UCD139377  Triteleia laxa Frederica Bowcutt 1994-6-12 1863 Sonoma Sugarloaf Ridge State Park. about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 1.5 air miles north of Kenwood, and 18 air mles NW of Napa. Adobe Canyon north of Sonoma Creek, north of Adobe Canyon Road, About 50 yards N. of Pony Gate trail juncture. 432 Comment
  CAS-BOT-BC527978  Triteleia peduncularis Peter Rubtzoff 1962-6-19 4924 Sonoma Occidental Marsh Comment
  RSA383399  Typha domingensis Christopher Davidson 1977-6-20 6023 Sonoma Dry Creek Road, 11.9 miles W of Geyserville. Gravel bar in Warm Springs Creek. 137 Comment
  CAS-BOT-BC91286  Umbellularia californica H. L. Mason 1925-11-26 2492 Sonoma Banks of Russian River, Monte Rio. Comment
  OBI20362  Umbellularia californica David Morse 1972-7-29 3 Sonoma One mi NE of Cloverdale, on hwy 128 91 Comment
  POM149110  Umbellularia californica A. A. Heller, H. E. Brown 1902-3-10 5013 Sonoma Hills East of Santa Rosa. Comment
  SEINET9317589  Umbellularia californica John Nelson, Wnek, R. 2000-3-5 20956 Sonoma Livereau Creek Comment
  UCD138053  Umbellularia californica Caitlin Lewis; William Mutch 1993-4-17 18 Sonoma Sugarloaf Ridge State Park. About 40 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-BC403985  Urtica dioica subsp. gracilis Peter Rubtzoff 1960-5-18 4382 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC403989  Urtica dioica subsp. gracilis L. R. Abrams 1920-7-3 7601 Sonoma Gualala River near Mendocino--Sonoma Co. Line Comment
  SEINET5887385 Image available Urtica dioica subsp. gracilis L. S. Rose 1964-1 64056 Sonoma Ca 5 ft end of Bodega Bay Comment
  CAS-BOT-BC404242  Urtica dioica subsp. holosericea Peter Rubtzoff 1954-7-27 1588 Sonoma Guerneville Marsh Comment
  UC848741  Urtica dioica subsp. holosericea Marcus E. Jones, A. M. 1882-7-17 3483 Sonoma Duncan Mills Comment
  SJSU9483  Vaccinium ovatum G. J. Woodside 1969-4-29 Sonoma Dutton Bill Cr 4 mi above Camp Meeker at St Dorothy's Rest Comment
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Apr 30 2012
  UCD118089  Vaccinium ovatum A. T. Leiser 1969-6-24 s.n. Sonoma Red Mt. NE facing ravine. 91 Comment
  UC912416  Vaccinium parvifolium Herbert L. Mason 1928-7-11 4892 Sonoma 2 miles north of Fort Ross Comment
  JEPS78947  Vancouveria planipetala Edward Lee 1936-6-8 2216 Sonoma Bohemian Grove, Smith Creek Rd. Comment
  CAS-BOT-BC76169  Vancouveria planipetala M. S. Baker 1899-5-6 s.n. Sonoma Green Valley, near Gallagher's. Comment
  CAS-BOT-BC154133  Verbascum Peter Rubtzoff 1951-9-3 735 Sonoma Vacation Beach, near Guerneville along Russian River Comment
  RSA731  Verbascum blattaria E. R. Johnson 1928-8-22 1113 Sonoma Cloverdale Comment
  CDA15998  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15678 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. with benches above. Comment
  UCD124727  Verbascum thapsus K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  JEPS39085  Verbena lasiostachys var. lasiostachys M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 238 Sonoma near Gurneville; Russian River Comment
  CAS-BOT-BC157664  Veronica Peter Rubtzoff 1966-4-17 5680 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC164370  Veronica Peter Rubtzoff 1962-6-8 s.n. Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC262797  Veronica Peter Rubtzoff 1972-5-25 6752 Sonoma Laguna, Chileno Valley. Comment
  JEPS40979  Veronica americana Lewis S. Rose 1964-6-3 64050 Sonoma n end of Bodega Bay 1 Comment
  RSA783733  Veronica americana Peter Rubtzoff 1960-6-9 4481 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  RSA786487  Veronica americana Peter Rubtzoff 1959-6-20 4172 Sonoma Willow Creek Marsh. Comment
  UC353801  Veronica scutellata Milo S. Baker 1928-4-28 3006 a Sonoma Pitkin Swamp Comment
  UCD166064  Veronica serpyllifolia Peter Rubtzoff 1971-5-8 6447 Sonoma Pitkin Marsh, near Forestville. Western border of the marsh near end of Templeman Road. Comment
  CAS-BOT-BC366879  Vicia hirsuta Greg de Nevers 1993-5-6 10425 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Rd. 400 Comment
  CAS-BOT-BC366858  Vicia lathyroides Greg de Nevers 1998-3-28 11149 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA0062828  Vicia lutea Greg de Nevers 1994-5-21 10524 Sonoma Pepperwood Ranch, 3450 Fraz Valley Rd., Santa Rosa. Between Mountain House and Al Cueno's. 100 Comment
  RSA51333  Vicia sativa Peter H. Raven 1950-4-6 1585 Sonoma Cotati to Santa Rosa Comment
  UCR198231  Vicia villosa Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .274 Sonoma Cavesdale Road 518 Comment
  CAS-BOT-BC368079  Vicia villosa subsp. villosa Greg de Nevers 1998-4-27 11205 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  RSA0057958  Vicia villosa subsp. villosa Greg de Nevers 1998-4-27 11205 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  UC1742244  Viola Milo S. Baker 1948-5-17 12040 Sonoma Brookside Garden Comment
  UC1742245  Viola Milo S. Baker Sonoma Probably gathered in my violet garden (Brookside Garden) Comment
  CHSC63932  Viola adunca John Hale 1990-4-12 23 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
  UC19264  Viola adunca J. Burtt Davy 1896-3-15 1676 Sonoma Fort Ross Comment
  UC1763353  Viola douglasii Edith Hessel 1927-3-5 Sonoma Santa Rosa Golf Club, on road past golf house, turns from road to Sonoma Comment
  JEPS50388  Viola glabella Dorothea Gorter 1920-3-23 Sonoma Villa Grande; Russian River, Villa Grande Comment
  UC1761570  Viola glabella Helen Von Grafen 1927-4-2 Sonoma Mill Creek Comment
  UCD151173  Viola lobata James A. Neilson Jr. 1974-4-24 2730 Sonoma Mayacmas Mountains. Socrates Mine Road, near Headquarters. (Elevation estimated using Google Earth by label maker.) 853 Comment
  RSA80501  Viola lobata subsp. integrifolia Milo S. Baker 1942-6-11 10205 Sonoma Summit of Spring mtn, road near boundary between Sonoma and Napa Cos. Comment
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Jun 10 2012
  UC35301  Viola ocellata J. Burtt Davy 1896-3-16 1680 Sonoma Cazadero Comment
  POM161242  Viola ocellata R. C. Bacigalupi 1926-5-2 1365 Sonoma Cazadero. Comment
  SEINET10231068  Viscum album Unknown 1966-1-17 Sonoma Sebastopol Comment
  SEINET3840829  Viscum album subsp. album C. W. Nichols, W. O. McCartney 1966-1-17 Sonoma Sacremento, 1220 Gravestein highway north at Hill Station road, one mile north of Sebastopol Comment
  OBI2920  Vitis californica Lewis S. Rose 1968-6-25 68115 Sonoma Rincon Ridge, NE of Santa Rosas 122 Comment
  UC1541477  Vitis californica H. E. and S. T. Parks 1930-8-20 693 Sonoma Maacama Creek Comment
  CAS-BOT-BC203132  Vitis californica H. E. McMinn 1922-6-7 188 Sonoma Stream entering Russian River - 2 1/2 mi. from Cosmo Comment
  CAS-BOT-BC385058  Vitis californica G. de Nevers 1981-6-4 1434 Sonoma Pepperwood Ranch, by bridge south of the green gate Comment
  UCD17551  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma 2 miles N on Upper Lake Highway, E of Ukiah. Comment
  CAS-BOT-BC199910  Vulpia bromoides Peter Rubtzoff 1955-5-21 1858 Sonoma Forestville Marsh. North facing slope bordering the Marsh in the south Comment
  CAS-BOT-BC199902  Vulpia bromoides G. DeNevers 1981-5-14 1152 Sonoma Small Canyon N of Pippindale pond Comment
  UCD93470  Vulpia bromoides Beecher Crampton 1955-3-14 2320 Sonoma Asti. Comment