Search Results — 2000 specimen records retrieved (1304 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78078  Abies grandis John Thomas Howell 1930-7-27 5398 Sonoma canyon 1 mile north of Fort Ross Comment
  UCR198015  Abronia latifolia Chris Chan 1991-3-5 04 Sonoma University of California Bodega Marine Lab 34 Comment
  RSA0025741  Abronia latifolia J. R. Bruff 1936-07 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC203225  Abutilon Peter Rubtzoff 1974-5-26 7497 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road Comment
  CAS-BOT-BC203226  Abutilon Peter Rubtzoff 1971-6-5 6509 Sonoma Bennett Valley Road, 4.25 mi. west of Glen Ellen Comment
  CAS-BOT-BC203227  Abutilon Peter Rubtzoff 1972-5-25 6754 Sonoma Laguna, Chileno Valley Comment
  RSA0057967  Abutilon theophrasti Greg de Nevers 1997-9-10 11087 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Road at Mark West Springs Road. 100 Comment
  CAS-BOT-BC332797  Acer macrophyllum Irja Knight; Walter Knight 1964-11-15 785 Sonoma Hood's Peak at Johnson Lake Comment
  SEINET12233936  Acer negundo Unknown 1947-1 99 Sonoma 1/2 mi W of Freezeout Creek, across Russian River duncan's Mills Comment
  CAS-BOT-BC30089  Achillea millefolium Mary P. Wells 1982-8-21 125 Sonoma Salt Point State Park, south end of parking lot Comment
  UCD128330  Achillea millefolium G. V. Morejohn 1954-5-23 36 Sonoma at roadside, between Petaluma and Dillon Beach. Comment
  CAS-BOT-BC29157  Achyrachaena mollis A. A. Heller; H. E. Brown 1902-4-16 5304 Sonoma Fields east of Santa Rosa Comment
  SBBG3390  Acmispon cytisoides H. and M. Dearing 1939-5-14 3378 Sonoma near Fort Ross Comment
  UCD144411  Acmispon nevadensis G. F. Hrusa 1993-6-24 11238 Sonoma Mt. San Jacinto State Park. Common, flowers pale yellow. Comment
  UCD104294  Acmispon parviflorus P. G. Connors 1992-5-13 255 Sonoma At edge of vernal pool near entrance road to Bodega Dunes State Park. Comment
  UC635414  Actaea rubra H. L. Mason 1928-7-11 4891 Sonoma canyon 2 mi. n. Fort Ross Comment
  CAS-BOT-BC29849  Adenocaulon bicolor Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  UC496395  Adenocaulon bicolor Merle Randall 1930-11-6 Sonoma Cazadero Comment
  SBBG216  Adiantum aleuticum H. and M. Dearing 1939-5-15 3383 Sonoma N of Fort Ross Comment
  JEPS97806  Adiantum capillus-veneris R. Raiche 1983-6-25 30523 Sonoma The Cedars; Headwaters of Austin Creek 365 Comment
Read comments
Oct 22 2013
  CAS-BOT-BC65688  Adiantum jordanii Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CHSC60064  Adiantum jordanii H. A. McLane 1980-3-29 3 Sonoma 4 mi n of Calistoga Road from California State Highway 12, 60 ft e of road. Comment
  CDA1677  Aegilops triuncialis T. C. Fuller 1960-6-14 4485 Sonoma J. Black Ranch, River Road, ca. 6 miles E/ Cloverdale. 0 Comment
  CAS-BOT-BC29576  Agoseris apargioides var. eastwoodiae Rimo Bacigalupi 1928-6-18 1877 Sonoma At mouth of Salmon Creek, 2 miles south of Bodega Bay Comment
  RSA178622  Agoseris apargioides var. eastwoodiae Roxana S. Ferris 1932-5-27 8258 Sonoma Cliffs at upper end of Bodega Bay Comment
  CDA36846  Agoseris grandiflora 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
  UC1041088  Agoseris hirsuta J. W. Congdon 1880-5-23 Sonoma Petaluma Comment
  UCD128662  Agoseris retrorsa Gerry North 1993-4 53 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. On Bald Mountain Trail 0.5 mile above fork of Bald Mountain and Meadow trails. 457 Comment
  CAS-BOT-BC166693  Agrostis Peter Rubtzoff 1973-9-9 s.n. Sonoma Kenwood Marsh, 0.5 mi. S of Kenwood. Comment
  CAS-BOT-BC176397  Agrostis Peter Rubtzoff 1964-7-14 5403 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC176403  Agrostis Peter Rubtzoff 1971-6-29 6580 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC210003  Agrostis Peter Rubtzoff 1967-8-22 5857 Sonoma SE of Lower Salmon Creek Marsh Comment
  UCD166325  Agrostis Peter Rubtzoff 1967-8-22 5857 Sonoma SE of Lower Salmon Creek Marsh. Comment
  SEINET10717805  Agrostis P. Rubtzoff 1971-6-29 Rubtzoff 6580 Sonoma Pitkin Marsh, near Forestville. Comment
  UCD51864  Agrostis capillaris Beecher Crampton 1957-7-11 4319 Sonoma along State Hwy. 1, just south of Salmon Creek. Comment
  CAS-BOT-BC127469  Agrostis densiflora Alice Eastwood 1915-6-29 4871 Sonoma Bodega Point. Comment
  UCD37155  Agrostis densiflora Beecher Crampton 1957-7-11 4344 Sonoma Sonoma County, 4.6 miles north of Salmon Creek, Sonoma Coast State Park, along State Highway 1, Duncan's Point. Comment
  UCD51992  Agrostis densiflora Beecher Crampton 1957-7-11 4344 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north Salmon Creek. Comment
  CAS-BOT-BC126971  Agrostis exarata Greg de Nevers 1992-6-25 10178 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. At Rogers Homestead. 304 Comment
  JEPS45807  Agrostis exarata Eleanor Armstrong 1932-6-3 184 Sonoma 2 mi w Bodega 30 Comment
  UC573815  Agrostis exarata H. S. Yates 1937-6-6 6577 Sonoma 3 mi w Santa Rosa; Santa Rosa Quad. Comment
  CAS-BOT-BC139558  Agrostis gigantea Mary P. Wells 1985-8-5 585 Sonoma Santa Rosa. Ducker Creek bed, Rincon Valley. Comment
  SEINET6762812 Image available Agrostis gigantea A. A. Beetle 1941-1 2855 Sonoma 5 mi S of Steward [Stewarts] Point Comment
  UCD36694  Agrostis hallii Beecher Crampton 1955-6-17 2958 Sonoma Sonoma County, 6 miles west of Cazadero, on road to Fort Ross. Comment
  UCD38726  Agrostis hallii Beecher Crampton 1957-7-11 4300 Sonoma 1.4 miles southeast of Bodega Bay. Comment
  UCR152268  Agrostis hallii Beecher Crampton 1959-6-16 5376 Sonoma 1 mi east of Occidental Comment
  SEINET3916556  Agrostis hallii Fred W. Hoffman 1941-6-28 2067 Sonoma Sonoma Mountain road.; 0 Comment
  UCD52554  Agrostis hallii var. pringlei P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified forest road. Comment
  UCD53018  Agrostis microphylla Beecher Cramppon 1959-6-16 5381 Sonoma 1 mile east of Occidental. Comment
  UCD84282  Agrostis microphylla Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC138918  Agrostis pallens G. DeNevers 1981-7-1 1721 Sonoma Pepperwood Ranch. Garrison Canyon. Comment
  CAS-BOT-BC138925  Agrostis pallens G. DeNevers 1981-6-18 1574 Sonoma Pepperwood Ranch. In Hansel's grazed Oak Woodland. Comment
  CAS-BOT-BC138926  Agrostis pallens G. DeNevers 1981-6-20 1592 Sonoma Pepperwood Ranch. Confluence of Mark West Creek and Leslie Creek. Comment
  UCD53084  Agrostis pallens Mary M. Hektner 1975-6-2 196 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD53194  Agrostis pallens P. B. Kennedy 1917-8-1 s.n. Sonoma Del Mar. Comment
  UC1023594  Agrostis scabra Virginia Bufford 1936-5-20 346 Sonoma 3 mi from Mark West (Kellogg Mark West Rd) Comment
  SD56669  Agrostis stolonifera Darley F. Howe 1963-7-3 3586 Sonoma 20 miles north of junction with #12 on #1. Comment
  SEINET3127807  Aira caryophyllea Michener, Bioletti sn Sonoma S. Los Guilicos Comment
  CAS-BOT-BC138208  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1962-6-13 4892 Sonoma Freestone Marhs. Comment
  UC903759  Aira elegantissima Milo S. Baker 1947-5-7 11748 Sonoma above Baker Ranch (sw slope of mt.); Mt. Hood 213 Comment
  CAS-BOT-BC166765  Alisma lanceolatum Peter Rubtzoff 1966-7-4 s.n. Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  UC1042432  Alisma plantago-aquatica Peter Rubtzoff 1951-8-19 664 Sonoma near Forestville (lower part of the Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC182744  Alisma triviale Peter Rubtzoff 1970-8-18 6304 Sonoma Five miles north of Sears Point Comment
  CAS-BOT-BC445459  Alisma triviale John Thomas Howell 1947-6-26 23310 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC368002  Allium Greg de Nevers 1989-6-8 9077 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC376392  Allium Greg de Nevers 1993-5-17 10452 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Devil's Kitchen east of 3865 Franz Valley Rd. 457 Comment
  UCR256119  Allium Greg de Nevers 1993-5-17 10450 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 220 Comment
  JEPS77860  Allium hickmanii Robert M. Lloyd 1965-5-8 3624 Sonoma 3 mi n. of junction with Aqua Caliente Road Highway 12 (meadow across from Lawrence Triangle End Garage) Comment
  UC909763  Allium peninsulare var. franciscanum Milo S. Baker 1950-5-20 12222 Sonoma sw Kenwood (Wood road n of (opposite) old Chamberlain ranch); Hope Valley Comment
  UCD169968  Allium triquetrum Gary Bjork 2001-4-4 PDR 117291 Sonoma 2474 Copperfield Ct., Santa Rosa. Comment
  CAS-BOT-BC474315  Allium unifolium G. DeNevers 1981-5-9 1061 Sonoma Below the old Strebel Homestead Comment
  CAS-BOT-BC474316  Allium unifolium G. DeNevers 1981-6-20 1658 Sonoma Opposite main Academy entrance Comment
  CAS-BOT-BC474317  Allium unifolium D. E. Breedlove 1980-5-3 44654 Sonoma Pepperwood Ranch W. of Knights Valley Comment
  CAS-BOT-BC251207  Alnus rhombifolia Peter Rubtzoff 1960-6-11 4504 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  UCD166480  Alnus rhombifolia Peter Rubtzoff 1960-9-15 4549 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC169361  Alnus rubra Peter Rubtzoff 1957-4-28 3286 Sonoma Lower Salmon Creek Marsh, along streamlet Comment
  RSA302701  Alnus rubra Jim Shevock 1971-1-30 624 Sonoma Along Russian River Comment
  UCD110038  Alnus rubra B. Crampton 1957-7-22 4369 Sonoma Above Fisherman's Bay, 0.3 miles south of Stewart's Point. Along State Hwy. 1. Comment
  CAS-BOT-BC26747  Alopecurus aequalis Peter Rubtzoff 1955-5-7 1821 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC138043  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1955-8-13 2045 Sonoma Duncans Mills Marsh. Comment
  UC576308  Alopecurus aequalis var. sonomensis H. S. Yates 1936-5-16 5603 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh 30 Comment
  CAS-BOT-BC138003  Alopecurus geniculatus Peter Rubtzoff 1959-6-6 4090 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC137903  Alopecurus saccatus Peter Rubtzoff 1968-6-20 5894 Sonoma 6.5 miles northeast of Penngrove on Lichan Road. 426 Comment
  CAS-BOT-BC137904  Alopecurus saccatus Peter Rubtzoff 1969-5-24 6066 Sonoma Vernal pool 6.5 miles northeast of Pengrove, on Lichan Road. 426 Comment
  JEPS45802  Alopecurus saccatus Eleanor Armstrong 1932-6-4 186 Sonoma 5 mi. w. Graton (<Schlackey> Flat) 30 Comment
  UCR261632  Alopecurus saccatus Ann Howald 2003-5-15 2335 Sonoma Inner North Coast Ranges, Sonoma Mountains, south end, upper east slope, c. 0.1 mile south of Rodgers Creek 205 Comment
  OBI35909  Ambrosia chamissonis David J. Keil 1983-6-29 17190 Sonoma Doran Beach County Park, Bodega Head Comment
  SEINET5710304  Ambrosia chamissonis Michael Fleschner 1965-1 s.n. Sonoma University of California Marine Biology Laboratory, Bodega Bay.; Bodega Bay Comment
  RSA790996  Ammannia Peter Rubtzoff 1972-8-26 6860 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC154124  Ammannia coccinea Peter Rubtzoff 1956-9-16 2922 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  CAS-BOT-BC177228  Amorpha californica var. napensis Dr. W. B. Stephens s.n. Sonoma Near Calistoga west of Petrified Forest Comment
  CAS-BOT-BC222283  Amsinckia John Thomas Howell 1934-3-26 11785 Sonoma Southwestern base of Mt. Hood Comment
  CAS-BOT-BC222284  Amsinckia John Thomas Howell 1934-3-26 11789 Sonoma Southwestern base of Mt. Hood Comment
  UC486489  Amsinckia intermedia H. E. and S. T. Parks 1930-5-9 609 Sonoma Knights Valley Comment
  RSA0089717  Amsinckia intermedia L. S. Rose 1952-4-18 62027 Sonoma Petaluma. 6 Comment
  UCD119719  Amsinckia lycopsoides K. Esau 1932-2-28 s.n. Sonoma Petaluma. Comment
  SEINET12337128  Amsinckia spectabilis C. Best, Irja, W.; Knight, T. 1991-1 6601 Sonoma Bodega Marine Preserve Comment
  UCD117445  Anagallis arvensis Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 32 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD56034  Andropogon glomeratus Freed W. Hoffman 1942-6-13 2046 Sonoma North Coast Ranges, around Hot Springs, the Geyers. Comment
  CAS-BOT-BC137790  Andropogon virginicus var. virginicus H. S. Yates 1937-8-22 6865 Sonoma 2 miles southeast of Forestville. 30 Comment
  UC558472  Andropogon virginicus var. virginicus J. Bufford 1936-9-8 Sonoma Pitkin Marsh; Pitkin Marsh, Vine Hill District Comment
  HSC71392  Angelica californica J. M. DiTomaso 1980-6-13 1602 Sonoma 4900 Trinity Rd., between Glen Ellen and Oakville Comment
  RSA22250  Angelica californica Alice Eastwood, John Thomas Howell 1938-7-6 6084 Sonoma Alder Glen Springs Comment
  CAS-BOT-BC221436  Angelica hendersonii David D. Keck; J. Clausen 1935-6-15 3373 Sonoma 1 mile N. of Salmon Creek Comment
  UC479153  Angelica tomentosa Marcus E. Jones, A. M. 1931-7-5 29050 Sonoma w of Cloverdale Comment
  CAS-BOT-BC271434  Anisocarpus madioides Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 3 mile seast of Stewarts Point Comment
  UCD166185  Anthemis cotula Peter Rubtzoff 1969-8-14 6133 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  CDA6810  Anthemis cotula T. C. Fuller 1961-10-13 7108 Sonoma Highway 101, 2 miles south of Asti. 0 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
  CAS-BOT-BC137766  Anthoxanthum aristatum G. DeNevers 1982-5-2 1971 Sonoma Pepperwood Ranch. Along manzanita trail just before the tunnel. Comment
  CAS-BOT-BC137767  Anthoxanthum aristatum G. DeNevers 1981-4-23 1940 A Sonoma Pepperwood Ranch. East of Pippindale Pond. Comment
  JEPS97536  Anthoxanthum aristatum R. D. Stone 1980-11-28 320 Sonoma the Sea Ranch; Annapolis Road area just below and W of landing strip Comment
  RSA47832  Anthoxanthum aristatum L. Beane, Lois E. James 1949-5-11 1942 Sonoma About half way between Healdsburg and Windsor Comment
  CAS-BOT-BC280665  Anthoxanthum occidentale John Thomas Howell 1930-7-27 5396 Sonoma 1 mile north of Ft. Ross Comment
  CAS-BOT-BC280666  Anthoxanthum occidentale K. Wagnon 1939-4-10 165 Sonoma About 1/2 mile south of Jonive Grammar School, six miles west of Sebastopol 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
  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
  JEPS78901  Anthoxanthum odoratum Edward Lee 1936-6-8 2224 Sonoma Bohemian Grove, grounds near entrance Bohemian Grove Comment
  JEPS78899  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Edward Lee 1936-6-8 2212 Sonoma Bohemian Grove; Trail 3A (North Ridge to Smith Creek) Comment
  UCR255744  Apiastrum angustifolium Greg de Nevers 1997-4-16 10934 Sonoma North Coast Range, Cavedale Road 152 Comment
  SEINET12093899  Aquilegia formosa F. H. Utech 1988-1 88 -225 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1 100 Comment
  UC1084360  Arabis blepharophylla G. Thomas Robbins 1937-3-26 23 Sonoma near Bodega bay Comment
  CAS-BOT-BC56912  Arctostaphylos John Thomas Howell 1934-3-3 11748 Sonoma Between Fort Ross and Stewart's Point Comment
  RSA629204  Arctostaphylos Jon E. Keeley 1993-9-11 24783 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629206  Arctostaphylos Jon E. Keeley 1993-9-11 24788 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629210  Arctostaphylos Jon E. Keeley 1993-9-11 24790 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1042348  Arctostaphylos Lewis S. Rose 1955-2-14 55000 Sonoma Forestville 22 Comment
  UC1388328  Arctostaphylos Freed W. Hoffman 1947-4-3 667 Sonoma near Healdsburg (headwaters of creek); North Coast Ranges, Wild Hog Ridge, Mill Creek Comment
  UC535018  Arctostaphylos H. F. Copeland 1933-3-18 A 13 Sonoma on College Ave. Hwy near Santa Rosa; Vine Hill region Comment
  UC535021  Arctostaphylos H. F. Copeland 1933-3-18 A 10 Sonoma w Santa Rosa; Vine Hill region Comment
  CAS-BOT-BC24077  Arctostaphylos bakeri Roger Raiche 1983-9-20 30723 Sonoma Graton Road near intersection with Tanuda road (east of Occidental) Comment
  CAS-BOT-BC24081  Arctostaphylos bakeri Lewis S. Rose 1955-3-21 55031 Sonoma 2 mi. NE of Occidental 213 Comment
  CAS-BOT-BC27176  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10955 Sonoma 2 miles E of Occidental Comment
  CHSC67489  Arctostaphylos bakeri James D. Jokerst 1989-4-13 3095 Sonoma NE side of Hawson Grade Rd 0.4 mi N of its junction with Stoetz Rd., ca. 1 mi NE of Camp Meeker, N of Occidental, W of Santa Rosa. 228 Comment
  CHSC67657  Arctostaphylos bakeri James D. Jokerst 1989-4-13 3094 Sonoma S side of Graton Rd. 1.2 mi E of junction with Fuscondini Rd., 2 mi E of Occidental, W of Santa Rosa. 121 Comment
  UC1220417  Arctostaphylos bakeri B. F. Smith 1962-8-3 28 Sonoma 3.5 mi nnw Occidental; Quad. 64B2 158 Comment
  UC909852  Arctostaphylos bakeri J. E. Adams 1935-3-1 1027 Sonoma 2 mi w Occidental Comment
  CDA31371  Arctostaphylos canescens D. G. Kelch, Ed Biffin 2010-5-3 10 .202 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  JEPS38622  Arctostaphylos canescens Willis L. Jepson 1894-7-19 14699 Sonoma Mt. St. Helena Napa River Basin Comment
  SEINET11987356  Arctostaphylos canescens W. Knight, Knight, I. 1981-1 3986 Sonoma 4.2 mi up Cavedale Rd from jct of CA 12 Comment
  CAS-BOT-BC23972  Arctostaphylos canescens subsp. canescens Walter Knight; Irja Knight 1964-11-15 789 Sonoma Hood's Peak, 1/4 mile down road below Johnson Lake Comment
  CAS-BOT-BC23973  Arctostaphylos canescens subsp. canescens Walter Knight; Irja Knight 1964-1-17 520 Sonoma Hooker Canyon, Cloverdale Rd. Comment
Read comments
Apr 11 2019
  POM367246  Arctostaphylos canescens subsp. canescens L. S. Rose 1949-3-27 49017 Sonoma 3 mi. east of Beltane. 457 Comment
  UCD55064  Arctostaphylos canescens subsp. canescens Ellen Dean; California Department of Forestry Personnel 2006-4-26 3002 Sonoma Top of Mt. St. Helena. 1319 Comment
  CAS-BOT-BC23896  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1931-3-14 5760 Sonoma Rincon Ridge, near Santa Rosa Comment
  RSA177966  Arctostaphylos canescens subsp. sonomensis R. F. Thorne 1965-4-20 34387 Sonoma Robert Sone's place on Rock Ridge Lane- Montecito Ave. on Rincon Ridge, Santa Rosa. 106 Comment
Read comments
Aug 10 2011
  CAS-BOT-BC23647  Arctostaphylos columbiana C. Hart Merriam 1925-7-8 s.n. Sonoma Coast mountains near Kachia Rancheria, about 5 miles east of Stewarts Point Comment
  POM202851  Arctostaphylos columbiana J. T. Howell 1934-3-3 11743 Sonoma Between Fort Ross and Stewart's Point. Comment
  CAS-BOT-BC24980  Arctostaphylos densiflora Walter Knight; Irja Knight; Elizabeth McClintock; J. Sigg 1981-3-25 4035 Sonoma Originally collected in Vine Hill District, near Sebastopol. Comment
  CAS-BOT-BC24984  Arctostaphylos densiflora Lewis S. Rose 1955-2-28 55003 Sonoma Vine Hill, 9 mi. W of Santa Rosa. Type Locality Comment
  CAS-BOT-BC25016  Arctostaphylos densiflora Lewis S. Rose 1955-2-28 55004 Sonoma Vine Hill, 9 mi. W of Santa Rosa. Type Locality. Comment
  CAS-BOT-BC25022  Arctostaphylos densiflora John Thomas Howell 1929-8-12 3488 a Sonoma Road NE of Occidental. Comment
  CAS-BOT-BC25023  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5778 Sonoma Vine Hill District, 10 miles W of Santa Rosa. Comment
  POM215711  Arctostaphylos densiflora Jens Clausen 1933-3-26 743 Sonoma Vine Hill School House, 10 miles west of Santa Rosa, along road. Comment
  RSA164632  Arctostaphylos densiflora Percy C. Everett 1963-11-21 24564 Sonoma Vine Hill School Rd., west of Vine Hill School. N of Sebastopol. 76 Comment
  UC1120149  Arctostaphylos densiflora C. M. Belshaw 1936-3-7 1564 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC909866  Arctostaphylos densiflora J. E. Adams 1934-3-28 713 Sonoma Vine Hill School Sta. Rosa Comment
  UCD50801  Arctostaphylos densiflora Charles B. Heiser Jr. 1946-5-19 1745 Sonoma Vine Hill, W of Santa Rosa Comment
  SEINET11987266  Arctostaphylos densiflora J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4098 Sonoma Strybing Arboretum, San Francisco, via Edmunds Nursery orig from Vine Hill District, near Sebastopol Comment
  SEINET11987350  Arctostaphylos glandulosa f. cushingiana W. Knight, Knight, I. 1981-1 3959 Sonoma 2.3 mi up Cavedale Rd from junction of CA 12 Comment
  SEINET11991023  Arctostaphylos glandulosa f. cushingiana W. Knight, Knight, I. 1983-1 4700 Sonoma Trinity Grade 270 Comment
  CAS-BOT-BC23289  Arctostaphylos glandulosa subsp. cushingiana Lewis S. Rose 1955-3-21 55035 Sonoma Rincon Ridge 2 mi. NE of Santa Rosa 152 Comment
  UCD160019  Arctostaphylos glandulosa subsp. cushingiana James A. Neilson Jr. 1975-1-24 3159 Sonoma Mayacmas Mountains; Dominichelli Ranch # 1. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  UC473583  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-3-14 5779 Sonoma Vine Hill District Comment
  UC549392  Arctostaphylos glandulosa subsp. glandulosa J. E. Adams 1934-3-28 726 Sonoma five mi n Cazadero Comment
  RSA339396  Arctostaphylos glandulosa subsp. glandulosa Roger Raiche 1985-9-30 RR- 50905 Sonoma Santa Rosa, Parker Hill near end of Parker Hill Road. 244 Comment
  RSA631190  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24727 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CDA31299  Arctostaphylos glandulosa var. cushingiana D. G. Kelch, Ed Biffin 2010-5-3 10 .204 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCSB24400  Arctostaphylos hispidula McMinn, H. 1936-4-5 Sonoma Two miles east of Occidental Comment
  CAS-BOT-BC38985  Arctostaphylos manzanita Roger Raiche 1983-7-6 30585 B Sonoma In chaparral on serpentinite soil near old mine building, Layton Mine, Austin Creek, The Cedars. Comment
  RSA633060  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24711 Sonoma Along Calistoga Road, 19 km southwest of Highway 128. 220 Comment
  SEINET2029878 Image available Arctostaphylos manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 miles west of Santa Rosa Comment
  SEINET11987348  Arctostaphylos manzanita W. Knight, Knight, I. 1981-1 3962 Sonoma 2.3 mi up Cavedale Road from junction of CA 12 Comment
  SEINET11990965  Arctostaphylos manzanita Unknown 1983-1 30475 Sonoma Morrison Ridge above Gilliam Creek, East Austin Creek State Recreation Area 274 Comment
  SEINET11990974  Arctostaphylos manzanita Unknown 1983-1 30491 M Sonoma nr fire road near confluence of Gilliam Creek & Schoolhouse Creek, East Austin Creek State Rec Area 122 Comment
  SEINET11990979  Arctostaphylos manzanita Unknown 1983-1 30476 Sonoma near Redwood Lake, East Austin Creek State Recreation Area 366 Comment
  SEINET11990994  Arctostaphylos manzanita R. Raiche, Edwards, S. W. 1983-1 100 Sonoma The Cedars, W of ridge on Twitchell property 274 Comment
  SEINET11977793  Arctostaphylos manzanita subsp. bakeri L. S. Rose 1934-1 34032 Sonoma 2 M. E. of Occidental Comment
  CAS-BOT-BC38903  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7949 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38910  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 11764 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38686  Arctostaphylos manzanita subsp. manzanita R. F. Hoover 1963-1-12 8548 Sonoma Trinity Road, Hoods Peak Range Comment
  CAS-BOT-BC38710  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 13 Sonoma Vine Hill region on College Avenue highway, near Santa Rosa Comment
  CAS-BOT-BC38714  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1951-9-15 744 Sonoma Open area separating the western branch of the Upper Marsh from the eastern. Comment
  RSA13422  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  UC1388363  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1947-2-28 758 Sonoma near Healdsburg (creek is branch of Mill Creek); North Coast Ranges, Wild Hog Ridge, headwaters of Palmer Cre Comment
  UC909869  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-28 727 Sonoma 4 or 5 mi from Seaview (Cazadero Rd) Comment
  CAS-BOT-BC45400  Arctostaphylos nummularia G. L. Stebbins 1970-7-14 1055 Sonoma Three miles nw. of Plantation. 274 Comment
  RSA13419  Arctostaphylos patula H. F. Copeland 1933-3-18 A- 13 Sonoma Vine Hill region on College Avenue Highway, near Santa Rosa. Comment
  CAS-BOT-BC43877  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1987-2-5 6081 Sonoma Devil's Kitchen in vicinity of Pepperwood 243 Comment
  CAS-BOT-BC43881  Arctostaphylos stanfordiana Lewis S. Rose 1955-2-28 55008 Sonoma 2 mi. w. of Graton 121 Comment
  CAS-BOT-BC47331  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1963-9-1 259 Sonoma Pine Mt. Rd. NE of Cloverdale. Harold Smith Ranch. Comment
  CAS-BOT-BC47345  Arctostaphylos stanfordiana C. Hart Merriam 1925-7-8 s.n. Sonoma Coast Mountains near Kachia Rancheria about 5 mi. e of Stewarts Point. Comment
  JEPS78746  Arctostaphylos stanfordiana Edward Lee 1936-5-3 2017 Sonoma 13.7 mi (by road) from Santa Rosa (Sonoma-Santa Rosa Road) Comment
  JEPS98850  Arctostaphylos stanfordiana James B. Roof 1963-2-28 Sonoma Mt. St. Helena 868 Comment
  RSA636815  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24748 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636818  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24740 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388314  Arctostaphylos stanfordiana Freed W. Hoffman 1946-8-20 867 Sonoma Trinity Rd at quarry; North Coast Ranges, western slope of Napa Range Comment
  UC549545  Arctostaphylos stanfordiana J. E. Adams 1934-3-10 639 Sonoma Mt. St. Helena Comment
  UCD53843  Arctostaphylos stanfordiana Roman Gankin; W. R. Hildreth and Ken Milam 1965-4-16 516 Sonoma 0.2 mile on Rockridge Lance from Montecito Road; on Sones Property; Rincon Ridge; Santa Rosa. Comment
  SEINET11984942  Arctostaphylos stanfordiana Unknown 1966-1 686 Sonoma S of Hooker Canyon at point directly opposite canyon from Cavedale Rd, 3.1 mi E of junction of CA 12 Comment
  SEINET11987193  Arctostaphylos stanfordiana W. Knight, Knight, I. 1981-1 3919 Sonoma Tilden Botanic Garden, Berkeley, orig. from near Annapolis Comment
  JEPS98847  Arctostaphylos stanfordiana subsp. decumbens unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  RSA517039  Arctostaphylos stanfordiana subsp. stanfordiana Jack Guggolz, Betty Guggolz 1986-3-3 851 Sonoma 1.2 miles from West Dry Creek Road on south side of Chamise Ridge Road across from spur road to the north. (west of Geyserville) Comment
  SEINET12524560 Image available Arctostaphylos viscida F. W. Hoffman 1946-1 566 Sonoma Layton mine, Austin Creek. Comment
  UCD52206  Arctostaphylos viscida Freed W. Hoffman 1947-2-28 762 Sonoma Near Guerneville, Sonoma County. Comment
  UC1193017  Arctostaphylos viscida subsp. pulchella P. Zinke 1949-6-14 62 Sonoma divide between Dry Creek and Smith Creek; Quad 61A3 457 Comment
  CAS-BOT-BC47466  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight 1963-9-15 290 Sonoma Los Alamos Rd., Santa Rosa Comment
  JEPS21819  Arctostaphylos viscida subsp. viscida Roy Ramberg 1958-4-5 Sonoma one-half mi from end of Alta Vista Road; Santa Rosa, Montecito 91 Comment
  CDA22413  Aristolochia californica M. Vernon 1985-6-21 Sonoma 6858 Hessel Road, Sebastopol. 0 Comment
  UCD14373  Armeria maritima subsp. californica L. Coats 1983-5-17 25 Sonoma Sonoma Co., along Highway 1, 4.3 miles north of Salt Point State Park; 21 Comment
  UC29614  Arnica discoidea J. Burtt Davy 1896-7-1 4130 Sonoma near, (ridge above Smith's Valley) Guerneville; Russian River, Smith's Valley Comment
  CAS-BOT-BC90496  Artemisia douglasiana Walter Knight; Irja Knight 1963-9-15 297 Sonoma Los Alamos Rd., Santa Rosa Comment
  UCD158727  Artemisia douglasiana Teresa A. Sholars 1976-9-11 s.n. Sonoma Mayacmas Mtns. Ca. 2 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. along Big Sulphur Creek. Elevation estimated by label maker. 853 Comment
  UCD148333  Artemisia douglasiana Peter Rubtzoff 1954-9-6 1743 Sonoma Guerneville Marsh. Comment
  SEINET196505  Artemisia vulgaris J. D. Skoss 1948-7-25 41 Sonoma Sonoma County: Shellville. Comment
  CAS-BOT-BC146253  Arundo donax Mary P. Wells 1985-8-5 586 Sonoma Ducker Creek, Rincon Valley Santa Rosa. Comment
  UCD160016  Asclepias cordifolia James A. Neilson Jr.; Teresa A. Sholars 1975-3-27 3293 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 miles west of Glenbrook and Bottle Rock Road. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC68783  Aspidotis densa Roxana S. Ferris; Laura Lorraine 1961-6-14 13523 Sonoma Junction of Bittner Road with Joy Road between Occidental and Bodega Comment
  RSA164631  Aspidotis densa P. C. Everett 1963-11-21 24565 Sonoma Harrison Grade, northeast of Occidental. 76 Comment
  CAS-BOT-BC68782  Aspidotis densa Donald Branscomb; Harry K. Roberts 1958-6-14 s.n. Sonoma Serpentine hills near Guerneville Comment
  CAS-BOT-BC178659  Astragalus claranus R. C. Barneby 1954-4-30 11238 Sonoma Open grassy hills in shallow volcanic clay soil, 7 mi. n.e. of Santa Rosa, near Alpine School 167 Comment
  UC13433  Astragalus gambelianus E. L. Greene 1892-4-20 Sonoma Mt. St. Helena Comment
  RSA94288  Athyrium filix-femina subsp. cyclosorum Peter Rubtzoff 1952-5-31 1119 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC66156  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh 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
  UC71465  Athyrium filix-femina var. cyclosorum J. Burtt Davy 1896-7-22 4145 Sonoma Russian River Comment
  UCR248508  Atriplex prostrata Peter Rubtzoff 1958-9-20 3990 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road) 20 Comment
  CAS-BOT-BC146135  Avena barbata Beecher Crampton 1956-3-12 3222 Sonoma Asti. Itialian Swiss Colony Winery. Comment
  CAS-BOT-BC146136  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa Creek. Comment
  CAS-BOT-BC146137  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa Creek, east of Santa Rosa. Comment
  LA11004  Avena barbata Nesta Dunn; 1932-5-15 sn Sonoma Santa Rosa Comment
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Dec 29 2014
  RSA654113  Avena barbata Beecher Crampton 1956-3-12 3222 Sonoma Town of Asti, Italian Swiss Colony vineyards. Comment
  UCR152284  Avena barbata Beecher Crampton 1956-3-13 3227 Sonoma North Coast Range, Asti Comment
  UC1103326  Avena fatua Joseph P. Tracy 1933-5-1 12131 Sonoma Knight's Valley Northern Coast Ranges Comment
  UCD56333  Avena fatua Mary M. Hektner 1975-8-10 219 Sonoma Near State Highway 1. Sea Ranch. Near Sea Ranch Association Office, Unit 18-A Owner's Map. Comment
  CAS-BOT-BC98798  Baccharis douglasii Peter Rubtzoff 1951-8-4 581 Sonoma Pitkin Marsh, near Forestville - south of the Upper Marsh Comment
  CAS-BOT-BC99590  Baccharis pilularis Carl B. Wolf; E. R. Johnson 1934-10-13 6182 Sonoma 2 4/10 mi. no. of mouth of Russian River 60 Comment
  CAS-BOT-BC99594  Baccharis pilularis Peter Rubtzoff 1951-11-24 846 Sonoma open area separating the western branch of the Upper Marsh from the eastern; Pitkin Marsh, near Forestville Comment
  UC336247  Baccharis salicifolia subsp. salicifolia H. T. Edwards 1877-5-1 321 Sonoma Knights Valley Comment
  UC581763  Baccharis salicifolia subsp. salicifolia Joseph P. Tracy 1932-5-8 9900 Sonoma Geyserville North Coast Ranges, Russian River 152 Comment
  CAS-BOT-BC173600  Barbarea Peter Rubtzoff 1989-3-13 9982 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  RSA0025201  Barbarea Peter Rubtzoff 1989-6-10 10004 Sonoma Along Russian River, ca. 6 mi east of Guerneville, at 9850 River Road. Comment
  RSA0022354  Beckmannia Peter Rubtzoff 1970-6-14 6263 Sonoma On River Road about 3 miles W of Fulton. Comment
  CAS-BOT-BC145828  Beckmannia syzigachne Hy Edwards 1877-1-1 s.n. Sonoma Knight's Valley. Comment
  CAS-BOT-BC145838  Beckmannia syzigachne Peter Rubtzoff 1961-6-25 4656 Sonoma Laguna de Santa Rosa near Trenton. Comment
  CAS-BOT-BC145842  Beckmannia syzigachne Peter Rubtzoff 1955-5-14 1834 Sonoma Ross Marsh. Comment
  SEINET179633  Beckmannia syzigachne H. P. Bracelin 1930-7-27 20 Sonoma 1 mi N of Fort Ross Comment
  JEPS97534  Bellis perennis R. D. Stone 1980-11-30 330 Sonoma near landing strip and fire station at Sea ranch Annapolis Rd.; Sea Ranch 91 Comment
  CAS-BOT-BC106389  Bellis perennis L. R. Abrams 1920-7-3 7597 Sonoma Gualala River Comment
  CDA6862  Bellis perennis G. D. Barbe 1982-5-27 3616 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Skaggs Spring Road. Comment
  OBI35842  Bellis perennis David J. Keil 1983-6-29 17206 Sonoma Ca 10 mi SE of Ft Ross along Hwy 1 Comment
  CAS-BOT-BC290706  Bidens frondosa Peter Rubtzoff 1962-9-16 5090 Sonoma Vacation Beach, 1.5 miles below Guerneville along Russian River. Comment
  UCR250393  Bidens frondosa Peter Rubtzoff 1960-9-14 4528 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  UCR249043  Bidens laevis Peter Rubtzoff 1963-10-30 5300 Sonoma Bodega Head Marsh 2 Comment
  RSA0019009  Bidens laevis Peter Rubtzoff 1967-9-16 5882 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh. Comment
  UCR255452  Bistorta bistortoides Ann Howald 2014-5-2 3003 Sonoma North Coast, c. 1.5 mi southeast of Del Mar Point 23 Comment
  JEPS83487  Blennosperma bakeri Jack and Betty Guggolz 1986-3-18 858 Sonoma just n Piner School Comment
  SEINET3074489  Blennosperma bakeri M. S. Baker 1946-1 Sonoma Comment
  CAS-BOT-BC100248  Blennosperma bakeri Lewis S. Rose 1949-3-27 49015 Sonoma Type locality. Western outskirts of Sonoma in hog wallow about 0.25 mile south of Napa St. Comment
  RSA0008303  Blennosperma bakeri Peter H. Raven 1963-4-28 18251 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  RSA6404  Blennosperma nanum Jens Clausen 1933-3-25 729 Sonoma Between Warfield and Ken Wood, along the highway. Comment
  CAS-BOT-BC154961  Boisduvalia Peter Rubtzoff 1978-8-12 9252 Sonoma Russian River at Del Rio Beach, ca. 2.5 miles E of Healdsburg on S. Fitch Mtn. Road. Comment
  CAS-BOT-BC154875  Boisduvalia densiflora Peter Rubtzoff 1969-7-25 6121 Sonoma 6.5 miles NE of Penngrove on Lichan Road 426 Comment
  CAS-BOT-BC154952  Boisduvalia densiflora Peter Rubtzoff 1954-8-3 1638 Sonoma Lower Salmon Creek Marsh Comment
  RSA80693  Boisduvalia densiflora F. W. Peirson 1925-8-8 6338 Sonoma Roadside 6 miles south of Santa Rosa Comment
  RSA791563  Boisduvalia stricta Peter Rubtzoff 1961-6-7 4617 Sonoma Laguna de Santa Rosa, about 1 mi SE of Trenton. Comment
  SJSU6088  Bolboschoenus fluviatilis C. W. Sharsmith 1972-6-24 7808 Sonoma Laguna de Santa Rosa, N of Sebastopol, E of Graton Comment
  UC1100890  Bolboschoenus maritimus Herbert L. Mason and Verne Grant 1946-8-28 13076 B Sonoma Mouth of Tolay Creek. Comment
  UC56354  Bolboschoenus maritimus J. Burtt Davy 1897-9-19 4054 Sonoma Petaluma. Comment
  CAS-BOT-BC290565  Bolboschoenus maritimus subsp. paludosus Peter Rubtzoff 1960-10-29 4579 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC418505  Boykinia occidentalis Greg de Nevers 1996-6-10 10830 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 487 Comment
  UC420422  Boykinia occidentalis Milo S. Baker 1898-1 Sonoma Santa Rosa Canyon Comment
  UCD56891  Brachypodium phoenicoides R. C. Morehouse 1937-8-23 s.n. Sonoma Sample plot one mile west of Bloom field. East of Valley Ford. Comment
  CDA3606  Brassica rapa J. M. DiTomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab across from entrance to the marine facility. 0 Comment
  CAS-BOT-BC145478  Briza maxima Ira L. Wiggins; R. S. Ferris 1943-4-30 10165 Sonoma Roadside 0.5 mile south of Asti, along Highway 101. Comment
  CSUSB472  Briza maxima L. L. Williams 1971-5-13 Sonoma Collected in North Coastal Sage at junction of road inland with Highway 1, south of Stewarts Point on headland. Comment
  UCD57166  Briza maxima Gerry North 1993-4 44 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 0.2 miles east of park entrance gate. 243 Comment
  CAS-BOT-BC145485  Briza maxima David L. Morgan 1956-5-23 s.n. Sonoma Hill Road, 2 miles southwest of junction with Highway #1. Comment
  CAS-BOT-BC145290  Briza minor G. DeNevers 1981-4-20 742 Sonoma Pepperwood Ranch. Flat south of line of trees and east of the pond at the toe of Horse Hill. Pippindale Farm. Comment
  CAS-BOT-BC145292  Briza minor G. DeNevers 1981-6-20 1639 Sonoma Pepperwood Ranch. Northeast of Peperwood, on the east road to Knights Valley at a pond filling with silt. Comment
  RSA785739  Briza minor Carrie A. Herd 1982-4-25 74 Sonoma Crane Creek Regional Park,. Comment
  SEINET3921398  Briza minor A. A. Heller 1902-6-7 5649 Sonoma Bennett Valley, S.E. of Santa Rosa.; 0 Comment
  JEPS7642  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-23 7660 Sonoma Petrified Forest Comment
  JEPS7662  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-21 7622 Sonoma Windsor Comment
  UC843568  Brodiaea elegans subsp. elegans Lewis S. Rose 1940-5-22 40363 Sonoma Sonoma 30 Comment
  CAS-BOT-BC484387  Brodiaea elegans subsp. elegans James L. Reveal 1987-6-7 6413 Sonoma Along Cavedale Road, about 1.5 miles south of Trinity Road, about 13 airline miles southeast of Santa Rosa 579 Comment
  CAS-BOT-BC486538  Brodiaea elegans subsp. elegans Marcus E. A M Jones 1882-7-7 s.n. Sonoma St. Lawrence Comment
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Apr 7 2018
  CAS-BOT-BC486542  Brodiaea elegans subsp. elegans Peter Rubtzoff 1974-6-22 7618 Sonoma Bennett Mountain Lake Comment
  SEINET10534050  Brodiaea hyacinthina P. Rubtzoff 1969-5-24 Rubtzoff 6057 Sonoma Vernal pool area 6.5 miles northeast of Penngrove, on Lichau Road; ca 1400 feet. Open, moist to wet ground. Comment
  UC768739  Brodiaea leptandra R. F. Hoover 1938-6-14 3604 Sonoma 2 mi se Healdsburg Comment
  SD24123  Brodiaea stellaris R. F. Hoover 1938-6-14 3611 Sonoma 3 miles west of Graton, on road to Occidental. Comment
  SD58370  Brodiaea stellaris Harry K. Roberts 1961-5-23 Sonoma About 1.75 miles northeast of Occidental, just west of County Dump at top of Harrison Grade, Ao to I(c) mile west of the type locality of Arctostaphylos bakeri. 221 Comment
  CAS-BOT-BC486528  Brodiaea stellaris Peter Rubtzoff 1969-5-11 6046 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC486475  Brodiaea terrestris subsp. terrestris H. C. Cantelow 1941-6-7 s.n. Sonoma 4.2 miles west of Jenner Comment
  CAS-BOT-BC486476  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1974-5-19 7447 A Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from (west of) Llano Road. Comment
  CAS-BOT-BC486477  Brodiaea terrestris subsp. terrestris Peter Rubtzoff; Nancy Harrison 1976-6-18 8642 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC487726  Brodiaea terrestris subsp. terrestris Milo S. Baker 1927-5-20 2148 a Sonoma S. R. Sebasapol Hiway where concrete begins - [- - - -] south (poor handwriting) Comment
  CAS-BOT-BC487727  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1962-6-13 4907 Sonoma Freestone Marsh Comment
  CAS-BOT-BC144149  Bromus Rimo Bacigalupi 1926-5-2 1391 Sonoma Cazadero. Comment
  CAS-BOT-BC328121  Bromus Peter Rubtzoff 1964-5-31 5331 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg, along Russian River. Comment
  CAS-BOT-BC155250  Bromus hordeaceus John H. Thomas 1966-5-8 11596 Sonoma 1.4 miles west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. Comment
  UC60199  Bromus hordeaceus A. B. L. 1896-4-9 Sonoma Petaluma Comment
  UCD58836  Bromus hordeaceus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3558 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC162393  Bromus laevipes David L. Morgan 1956-6-10 s.n. Sonoma On the Bennett Valley Road, in Crane Canyon, 1 mile east of the junction of the Petaluma-Hill Road. Comment
  UCD36880  Bromus racemosus Beecher Crampton 1956-4-24 3309 Sonoma Sonoma County, Healdsberg, vacant lot at junction of Prince and Sherman Streets. Comment
  UCD60243  Bromus vulgaris B. Crampton 1955-6-17 2928 Sonoma 1.6 miles west of Forestville. Comment
  UC604140  Cakile maritima Baker 1938-5-6 8978 Sonoma at mouth of Salmon Creek Salmon Creek Comment
  CAS-BOT-BC352221  Calamagrostis Peter Rubtzoff; Nancy Harrison 1978-6-11 9217 Sonoma Cunningham Marsh area, along northern tributary of Blucher Creek, ca. 1 air mile WSW of Cunningham Station. Comment
  UCR254896  Calamagrostis Peter Rubtzoff 1971-6-10 6537 Sonoma Pitkin Marsh, near Forestville 38 Comment
  CAS-BOT-BC185409  Calamagrostis bolanderi Mary P. Wells 1983-8-3 155 Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch. Comment
  UC1146621  Calamagrostis bolanderi Freed W. Hoffman 1943-6-20 2058 Sonoma near Salt Point (Eckert Ranch); North Coast Ranges, Sonoma Coast Comment
  RSA126853  Calamagrostis nutkaensis H. S. Yates 1937-5-30 6559 Sonoma two miles northeast of Freestone. 122 Comment
  UCD57519  Calamagrostis nutkaensis Beecher Crampton 1957-7-11 4318 Sonoma just south of Salmon Creek, along State Hwy. 1. Comment
  UC963876  Calamagrostis ophitidis Milo S. Baker 1947-5-30 11772 Sonoma along Harrison Grade ca 2 mi ne Occidental; Nort Bay Counties Comment
  RSA0065200  Calamagrostis rubescens Greg de Nevers 1997-6-7 11019 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On the Oak Hill Ranch burned area. 100 Comment
  RSA201793  Calendula arvensis W. R. Russell 1967-3-28 s.n. Sonoma At roadside near cemetery at N end of town, Sonoma. Comment
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Dec 8 2015
  CAS-BOT-BC273238  Calendula arvensis Milo S. Baker 1946-4-2 11306 Sonoma Along overflow channel West of Sonoma Cr. a mile or so south of El Verano Comment
  UCD33564  Calendula arvensis Beecher Crampton 1970-3-12 8545 Sonoma Sonoma, 1st. Street West, just south of r.r. depot. Comment
  CAS-BOT-BC290675  Callitriche Peter Rubtzoff 1969-5-16 6050 Sonoma Guerneville Marsh, eastern part of the marsh in Pocket Canyon. Comment
  RSA0015564  Callitriche Peter Rubtzoff 1969-5-16 6050 Sonoma Guerneville Marsh, eastern part of the marsh in Pocket Canyon. Comment
  UC17873  Callitriche heterophylla var. bolanderi F. T. Bioletti Apr 1893 Sonoma Kenwood Comment
  JEPS61626  Calochortus amabilis F. Hein 1931-4-14 Sonoma Skaggs Spring Comment
  UCD160859  Calochortus amabilis James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3297 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC483280  Calochortus amabilis Aven Nelson; Ruth A. Nelson 1933-5-14 557 Sonoma Kenwood Comment
  CAS-BOT-BC483282  Calochortus amabilis Roxana S. Ferris; Laura Lorraine 1961-6-15 13551 Sonoma Harrison Grade Road, 0.3 mile from junction with Green Valley Road Comment
  SEINET12049777  Calochortus amabilis F. H. Utech 1986-1 86 -106 Sonoma ca 3 mi NE on Cavedale Road from junction with CA 12 250 Comment
  UCD139536  Calochortus luteus C. Wistrom 1996-5-26 24 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  SEINET7042394  Calochortus luteus A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UC119755  Calochortus luteus Katharine Brandegee 1905-5-8 Sonoma near Santa Rosa Comment
  UC1973318  Calochortus luteus Roger Raiche 1997-9-1 058 .97 Sonoma W of Occidental, Fitzpatrick Lane, ca. 1.8 mi W of its origin at Jy Ridge Road. Comment
  UC3414  Calochortus luteus Ivan Tidestrom 1895-6-3 Sonoma Comment
  CAS-BOT-BC32344  Calochortus raichei Roger Raiche 1986-7-7 60214 Sonoma North of Cazadero, The Cedars, headwaters of Big Austin Crk. near Laton Mine 256 Comment
  JEPS83742 Image available Calochortus raichei Roger Raiche 1986-7-7 60214 Sonoma n Cazadero (near Laton Mine); The Cedars, headwaters of Big Austin Creek; N of Cazadero, The Cedars, headwaters of Big Austin Creek, near Laton Mine. Sonoma Co. 840 Comment
  CAS-BOT-BC132635  Calochortus uniflorus Alice Eastwood 1921-4-24 10336 Sonoma Santa Rosa Comment
  CAS-BOT-BC132636  Calochortus uniflorus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC132637  Calochortus uniflorus John Thomas Howell 1947-6-5 23232 Sonoma Cunningham Marsh Comment
  UC672143  Calochortus uniflorus A. E. Borell 1928-4-13 148 Sonoma Petaluma Comment
  JEPS20239  Calycadenia multiglandulosa R. F. Hoover 1938-6-14 3610 Sonoma 3 mi w of, on road to Occidental Graton Comment
  JEPS86803  Calycadenia multiglandulosa Jack and Betty Guggolz 1991-7-20 1209 Sonoma 2 mi nw of Camp Meeker 182 Comment
  CAS-BOT-BC270842  Calycadenia pauciflora Gerald D. Carr 1971-8-17 640 Sonoma The Geysers 487 Comment
  UCD129872  Calycadenia pauciflora Jack Guggolz; Betty Guggolz 1990-6-22 1074 Sonoma north side of Ida Clayton road 2.15 miles from Highway 128. Comment
  CAS-BOT-BC90987  Calycanthus occidentalis Peter Rubtzoff 1952-6-9 1189 Sonoma North slopes of Fitch Mountain, near Healdsburg. Comment
  CAS-BOT-BC90992  Calycanthus occidentalis Peter Rubtzoff 1974-6-2 7529 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC90993  Calycanthus occidentalis Peter Rubtzoff 1980-5-26 9446 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC91014  Calycanthus occidentalis L. R. Abrams 1916-7-4 5801 Sonoma Burkes Sanitarium. Comment
  JEPS78744  Calycanthus occidentalis Edward Lee 1936-6-7 2176 Sonoma Bohemian Grove, Trail No. 10, by streamlet Bohemian Grove, Trail No. 10 Comment
  UCSB23042  Calycanthus occidentalis McMinn, Howard 1922-6-7 Sonoma Near Monte Rio, by stream Comment
  CAS-BOT-BC91010  Calycanthus occidentalis A. T. Graff 1925-6-7 s.n. Sonoma Trospers. Comment
  POM97738  Calycanthus occidentalis Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  RSA168536  Calypso bulbosa M. S. Baker s.n Sonoma Near Cazadero Comment
  RSA177994  Calypso bulbosa Robert F. Thorne 1965-4-19 34297 Sonoma W of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  UC4382  Calypso bulbosa J. Burtt Davy 1896-3-14 1652 Sonoma Cazadero Comment
  UC23186  Calystegia collina subsp. oxyphylla Edw. L. Greene 1892-1 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC223618  Calystegia collina subsp. oxyphylla Mrs. H. C. Cantelow 1938-5-15 2406 Sonoma 5 2/10 mi. s. of The Geysers Comment
  RSA394815  Calystegia purpurata J. Russell Bruff 1968-5-1 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC215921  Calystegia purpurata subsp. purpurata Dorothy Scherer 1996-6-3 047 Sonoma North of park hdq. ca 1 mi. and east of bluff top 150-200', Fort Ross State Historic Park 15 Comment
  JEPS111396  Calystegia purpurata subsp. purpurata Jack and Betty Guggolz 1997-6-23 1533 Sonoma North side of Kelly Road from one mile to two miles west of the Rockpile Road crossing 550 Comment
  CAS-BOT-BC33000  Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  SDSU5665  Calystegia purpurata subsp. saxicola D. F. Howe 1969-5-28 4011 Sonoma 13.5 miles north of Jenner on #1. Comment
  UCD126166  Calystegia soldanella Mary M. Hektner; Cathy Hendel 1974-7-25 168 Sonoma north of Galleon's Reach, Unit 7 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UC1134551  Camassia quamash E. Armstrong 1934-4-22 1196 Sonoma 1 mi ne of Occidental 91 Comment
  CAS-BOT-BC498778  Camassia quamash subsp. linearis Peter Rubtzoff 1957-5-11 3326 Sonoma Occidental Marsh; Sonoma County Marshes Comment
  CAS-BOT-BC498785  Camassia quamash subsp. linearis L. R. Abrams 1915-4-28 s.n. Sonoma Mr. Burbank's Garden, Santa Rosa Comment
  UCD138378  Camassia quamash subsp. linearis Mary M. Hektner 1975-4-27 187 -A Sonoma along path to Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC251259  Camissonia Peter Rubtzoff 1972-4-23 6739 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  POM31995  Camissonia strigulosa A. A. Heller, H. E. Brown 1902-5-27 5613 Sonoma Bodega Bay. Comment
  CAS-BOT-BC160364  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Peter H. Raven 1963-4-28 18247 Sonoma Between town of Bodega Bay and Bodega Head Comment
  CAS-BOT-BC266420  Campanula californica Herbert L. Mason 1946-7-4 12894 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  SEINET10463921  Campanula californica P. Rubtzoff 1965-8-10 Rubtzoff 5588 Sonoma DUNCAN MILLS MARSH, EDGE OF FOREST BORDERING LOWER PORTION OF MARSH IN THE WEST, MOIST SHADED GROUND Comment
  UC34817  Campanula prenanthoides W. C. Blasdale 1896-7-18 Sonoma Cozadero Comment
  CAS-BOT-BC37756  Cardamine californica Dorothy Scherer 1996-4-14 031 Sonoma Fort Ross Road ca 0.5 mile west of Seaview Road and ca 50 feet north. Fort Ross State Historic Park. 441 Comment
  UC10411  Cardamine californica Edw. L. Greene 1892-1 Sonoma Knights' Valley Comment
  UC1299650  Cardamine californica Freed W. Hoffman 1947-3-11 821 Sonoma headwaters Duvoul Creek (a branch of Dutch Bill Creek and tributary of Russian River); North Coast Ranges, , Dutch Bill Creek, Russian Comment
  UCD114189  Cardamine californica Mary M. Hektner 1976-4-3 236 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD77454  Cardamine californica Robert E. Preston 2001-2-28 1497 Sonoma Ca. 2.5 mi NE of Fort Ross, near Seaview 381 Comment
  RSA257003  Cardamine californica var. integrifolia Gary D. Wallace, Larry E. DeBuhr 1972-3-28 1007 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 mi east of junction with Hwy. 128. Comment
  CDA16135  Cardamine hirsuta G. F. Hrusa 1999-2-26 14925 Sonoma North Coast Ranges; Foote Ranch, NW base of Mt. St. Helena, near corner of Hwy 128 and Ida Clayton Rd. 152 Comment
  JEPS128267  Cardamine oligosperma Roger Raiche 2000-4-8 027 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC281794  Carduus tenuiflorus S. Saufferer 1973-5-24 219 Sonoma Bodega Bay near the ocean Comment
  CAS-BOT-BC173807  Carex Peter Rubtzoff; Nancy Harrison 1978-6-11 9206 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  CAS-BOT-BC376270  Carex Greg de Nevers 1993-3-10 10324 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In the Bald Hills 304 Comment
  CAS-BOT-BC422345  Carex Peter Rubtzoff 1975-7-3 8145 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC344829  Carex abrupta Peter Rubtzoff 1960-6-25 s.n. Sonoma Laguna de Sant Rosa area east of Graton (between Occidental and Guerneville roads). Comment
  CAS-BOT-BC18139  Carex athrostachya Peter Rubtzoff 1957-5-26 3361 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC320571  Carex athrostachya Peter Rubtzoff 1974-6-2 7507 Sonoma Upper Green Valley Marsh. Comment
  CDA13128  Carex athrostachya G. F. Hrusa, R. Gross 1996-6-3 13063 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  UCR208521  Carex athrostachya Peter Rubtzoff 1958-7-5 3734 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC19368  Carex barbarae Helen D. Geis 1902-8-1 566 Sonoma Skaggs. Comment
  CAS-BOT-BC290554  Carex barbarae Peter Rubtzoff 1975-7-3 8152 Sonoma Kenwood Marsh. Comment
  RSA0031405  Carex barbarae Peter Rubtzoff 1974-6-2 7512 Sonoma Upper Green Valley Marsh. Comment
  UCR249338  Carex barbarae Peter Rubtzoff 1953-5-16 1360 Sonoma Vacation Beach, near Guerneville, along Russian River 3 Comment
  RSA0022384  Carex barbarae Peter Rubtzoff 1955-5-21 1873 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC19567  Carex bolanderi James Jokerst 1985-4-26 2269 Sonoma Near Caldwell Ranch. Comment
  UCR249076  Carex bolanderi Peter Rubtzoff 1954-8-2 1621 Sonoma Duncan Mills Marsh, upper portion of marsh 2 Comment
  CAS-BOT-BC18978  Carex densa John Thomas Howell 1947-6-5 23236 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC18982  Carex densa Peter Rubtzoff 1951-6-9 162 Sonoma The Pitkin Marsh, near Forestville. Between the Upper and the Lower Marshes. Comment
  CAS-BOT-BC18983  Carex densa Peter Rubtzoff 1951-6-10 198 Sonoma The Pitkin Marsh, near Forestville. Between the Upper and the Lower Marshes. Comment
  CHSC55433  Carex densa James Jokerst 1985-4-26 2271 Sonoma Near Caldwell Ranch. Comment
  RSA758129  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Guerneville 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
  CAS-BOT-BC20474  Carex densa G. DeNevers 1981-3-25 570 Sonoma Pepperwood Ranch. North of 3 Tree Hill. Comment
  CAS-BOT-BC20519  Carex densa G. DeNevers; J. Shumate 1981-7-25 1862 Sonoma Pepperwood Ranch. West of 3 Tree Hill. Comment
  RSA758137  Carex dudleyi Peter Rubtzoff 1975-7-3 8148 Sonoma Kenwood Marsh. Comment
  RSA0031406  Carex exsiccata Peter Rubtzoff 1955-6-26 1906 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  CAS-BOT-BC20137  Carex feta Peter Rubtzoff 1952-1-1 1093 Sonoma Pitkin Marhses near Forestville. Eastern Branch of the Upper Marsh. Comment
  UC856  Carex gracilior H. N. Bolander April 1864 3867 Sonoma Russian River Comment
  CAS-BOT-BC146612  Carex gynodynama A. A. Heller 1903-4-23 6605 Sonoma Fort Ross Comment
  CAS-BOT-BC20470  Carex harfordii Mary P. Wells 1981-4-19 s.n. Sonoma Mooraker Road part way to Crows Nest Road. The Sear Ranch. Comment
  RSA0022358  Carex harfordii Peter Rubtzoff 1964-5-20 5320 Sonoma Bodega Bay Marsh. Comment
  RSA0023073  Carex hassei Peter Rubtzoff 1962-5-11 4819 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC31177  Carex lemmonii Peter Rubtzoff 1951-6-7 140 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC31181  Carex lemmonii Peter Rubtzoff 1951-6-16 256 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC32523  Carex lemmonii John Thomas Howell; John William Stacey 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  UCR248945  Carex leporina Peter Rubtzoff 1966-6-5 5758 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads 23 Comment
  UCD112455  Carex leporina Peter Rubtzoff 1962-5-25 4845 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC31430  Carex leptopoda Peter Rubtzoff 1951-6-9 164 Sonoma Pitkin Marsh, near Forestville. Forest S of the Upper Marsh. Comment
  CAS-BOT-BC539865  Carex mendocinensis Robert F. Hoover 1941-5-14 5091 Sonoma 2 mi S of Monte Rio on road to Camp Meeker Comment
  CAS-BOT-BC119731  Carex nebrascensis John Thomas Howell 1945-8-14 21411 Sonoma Perry Marsh. Comment
  RSA0022388  Carex nudata Peter Rubtzoff 1962-5-6 4811 Sonoma Vacation Beach, 2 mi below Guerneville along Russian River. Comment
  CAS-BOT-BC119289  Carex ovalis John Thomas Howell 1938-7-3 13965 Sonoma Pitkin Marsh Comment
  RSA94273  Carex ovalis Peter Rubtzoff 1951-7-7 378 Sonoma Pitkin Marsh, near Forestville; Eastern branch of the upper marsh. Comment
  CAS-BOT-BC320468  Carex pachystachya Peter Rubtzoff 1964-5-20 5316 Sonoma Brooks Gulch Marsh. Comment
  RSA51977  Carex pellita J. T. Howell 1945-5-30 s.n. Sonoma Pitkin Marsh. Comment
  UCR248948  Carex serratodens Peter Rubtzoff 1974-6-9 7586 Sonoma Upper Green Valley Marsh Comment
  RSA758132  Carex subbracteata Peter Rubtzoff 1958-4-26 3605 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC116781  Carex subbracteata var. subbracteata John Thomas Howell 1938-7-3 13949 Sonoma Stony Point Comment
  CAS-BOT-BC115831  Carex subfusca Peter Rubtzoff 1954-7-5 1537 Sonoma Guerneville Marsh. Comment
  SEINET3910200  Carex tracyi Lewis S. Rose 1955-6-2 55060 Sonoma Pitkin Marsh, w. of Vine Hill Road. 10 mi. w. of Santa Rosa.; 0 30 Comment
  CDA36814  Carthamus creticus D. B. Joley, W. J. Ferlatte 1976-7-27 23 Sonoma Petaluma Hill Rd. 0 Comment
  UC1364567  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma ca 1 mi w Asti turn-off of the freeway (Hwy 101) Comment
  CDA7005  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma ca. 1 mile west of the Asti turn-off of the freeway, Highway 101, Asti. 0 Comment
  CAS-BOT-BC384677  Caryophyllaceae Peter Rubtzoff 1983-8-28 9680 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  JEPS22231  Castilleja ambigua subsp. ambigua Rimo Bacigalupi with members of Dr. Herbert G. Baker's class 1958-5-24 6361 Sonoma n of Sebastopol (ground above Pitkin Marsh); Vine Hill Region 60 Comment
  JEPS128283  Castilleja applegatei subsp. martinii Roger Raiche 2005-4-22 011 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS11921  Castilleja attenuata Francis W. Pennell 1940-7-3 26042 Sonoma ne of Kenwood; Hoods Peak 731 Comment
  JEPS128327  Castilleja attenuata Roger Raiche 2000-5-4 073 .00 Sonoma The Cedars. Lower Russian River, Big Austin watershed. Comment
  UC76116  Castilleja densiflora subsp. densiflora Milo S. Baker 1898-4-23 623 Sonoma near Melita Comment
  UCD160875  Castilleja foliolosa James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3285 Sonoma Mayacmas Mountains, ca. 1/4 mile south of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  POM44369  Castilleja franciscana Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  JEPS35852  Castilleja subinclusa subsp. franciscana Rimo Bacigalupi, and L. R. Heckard 1964-8-3 8998 Sonoma 0.9 mi n Calif. Hwy. 1 junction with road to Seaview (along Calif Hwy 1, between Fort Ross and Russian Gulch, just s of Meyer Gulch) 152 Comment
  UC353922  Castilleja subinclusa subsp. franciscana Milo S. Baker 1928-3-24 2721 a Sonoma 5 mi w Healdsburg (Martin Ranch) Comment
  JEPS26117  Castilleja wightii Peter H. Raven, R. Snow 1958-7-23 13688 Sonoma 2.6 mi n Jenner Comment
  UC1341770  Castilleja wightii Noel H. Holmgren and James L. Reveal 1966-6-6 2650 Sonoma 2 mi s Calif. Hwy. 1 junction with Calif. Hwy. 116 (Calif. Hwy. 1) Comment
  RSA189771  Castilleja wightii Noel Holmgren, James L. Reveal 1966-6-6 2547 Sonoma Just north of Ocean View. Comment
  SBBG6848  Castilleja wightii H. and M. Dearing 1929-5-14 3348 Sonoma rd to coast, Russian River Comment
  SEINET12347379  Castilleja wightii F. H. Utech 1988-5-21 88 -223 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1 100 Comment
  UCR255652  Caulanthus lasiophyllus Greg de Nevers 1997-4-24 10959 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  RSA21894  Ceanothus confusus J. T. Howell 1935-5-5 12619 Sonoma 6 miles from Santa Rosa on road to Sonoma. 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
  UCD111359  Ceanothus confusus Milo S. Baker 1939-3-20 9244 Sonoma 4 miles N of Santa Rosa on road past County Hospital. Comment
  OBI10271  Ceanothus confusus H. E. McMinn 1944-11-5 5451 Sonoma From Olive orchard, Rincon Ridge Comment
  SEINET12211129  Ceanothus confusus Unknown 1985-1 50178 Sonoma W of Healdsburg, Dry Cr. Valley, N of Dorman Cyn 244 Comment
  CAS-BOT-BC49075  Ceanothus cuneatus J. Harry Goff 1937-4-1 s.n. Sonoma Sonoma Creek Canyon near Kenwood Comment
  JEPS42081  Ceanothus cuneatus var. cuneatus Marie Chase 1928-3-22 Sonoma Kennwood Comment
  UC1084437  Ceanothus cuneatus var. cuneatus G. Thomas Robbins 1940-3-21 295 Sonoma ca 6 mi e Windsor (along Chalk Hill Rd) Comment
  RSA164626  Ceanothus divergens subsp. confusus Percy C. Everett 1963-11-21 11808 Sonoma N Rincon Ridge, NE santa Rosa, Parker Hill Road 183 Comment
  UCD123475  Ceanothus divergens subsp. confusus D. O. Burge 2007-4-10 833 e Sonoma Southeast flank of Mount Hood, near the junction of Bear Creek and Sonoma Creek, along the Goodspeed Trail . 3.44 km 19 deg. (True) NNE of Kenwood. 200 Comment
  POM136437  Ceanothus foliosus A. A. Heller, H. E. Brown 1902-5-29 s.n. Sonoma Mt. Hood. Comment
  SEINET13945888 Image available Ceanothus foliosus G. Thomas Robbins 1938-1 257 Sonoma Along road to Occidental W of Green Valley Comment
  CAS-BOT-BC49906  Ceanothus foliosus var. foliosus Walter Knight; Cliff Schmidt 1987-2-27 6057 Sonoma Cavedale Road 274 Comment
  UCD112147  Ceanothus foliosus var. foliosus Collector unknown Date unknown s.n. Sonoma southwestern part of county. Comment
  UC1280760  Ceanothus foliosus var. vineatus H. E. McMinn 1941-4-26 5320 Sonoma 9 mi s. Gurniville Comment
  RSA122537  Ceanothus foliosus var. vineatus A. E. Wieslander 1938-4-14 721 Sonoma 1 mile S of Trenton. 84 Comment
  UC1084483  Ceanothus foliosus var. vineatus G. Thomas Robbins 1938-4-15 257 Sonoma along road to Occidental W q Green Valley. Comment
  CAS-BOT-BC50002  Ceanothus gloriosus John Thomas Howell 1935-5-5 12616 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50003  Ceanothus gloriosus John Thomas Howell 1935-5-5 12615 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC32737  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6694 Sonoma Vine Hill District, 9 miles W of Santa Rosa Comment
  POM301629  Ceanothus gloriosus var. exaltatus Carl B. Wolf 1941-7-30 11108 Sonoma 8.5 miles south of Stewarts Point, at entrance to Salt Point Ranch. 30 Comment
  UC1299551  Ceanothus gloriosus var. exaltatus Freed W. Hoffman 1947-4-15 661 Sonoma In marine sediments, near Sebastopol Comment
  UCD112150  Ceanothus gloriosus var. exaltatus Roman Gankin 1966-3-3 694 Sonoma east of Occidental Ridge on Graton Road, 2.5 miles east of Occidental. Comment
  POM86919  Ceanothus griseus Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  UC1362455 Image available Ceanothus incanus Frederick Karl Klein 1969-9-8 Sonoma near Lake-Sonoma County line (along Ida Clayton Road-Western Mine Road); ; near Lake-Sonoma Co. line, Sonoma Co. 762 Comment
  SEINET12211380  Ceanothus integerrimus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -270 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UC1281528  Ceanothus jepsonii H. E. McMinn 1931-6-29 2566 Sonoma 5 mi n Cloverdale Comment
  UCD112063  Ceanothus jepsonii Roger Raiche 1985-4-6 RR 50182 Sonoma Dry Cr area nr Healdsburg, ridge w of Dry Cr Vly, unnamed rd n of Dorman Cyn on ridge. 243 Comment
  UC1193308  Ceanothus jepsonii var. albiflorus R. H. Neuns 1950-5-5 104 Sonoma 2 1/2 mi W of Mercuryville 914 Comment
  CAS-BOT-BC51131  Ceanothus jepsonii var. albiflorus Marie Kelly 1958-4-1 s.n. Sonoma In northern Sonoma Co. SE. of McDonald Comment
  UC73365  Ceanothus oliganthus var. sorediatus Milo S. Baker 1898-4-23 27 Sonoma Santa Rosa Creek Canyon Comment
  UCD160147  Ceanothus oliganthus var. sorediatus James A. Neilson Jr. 1974-4-24 2717 Sonoma Mayacmas Mountains, Squaw Creek drainage, at site of geothermal well Ottoboni 17. (Exact location of Ottoboni 17 unknown; this record is georeferenced along Ottoboni Ridge Road in The Geysers; elevation estimated by label-maker). 967 Comment
  CAS-BOT-BC51876  Ceanothus parryi John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54689 Sonoma Bouverie Audobon Preserve, about 1.5 miles East of Glen Ellen near Stuart Creek 137 Comment
  RSA0084060  Ceanothus parryi D. C. Michener 1982-7-26 4122 Sonoma Openings in mixed evergreen forest along lBohemian Hwy, 1.8miles N of jct with Graton road, 4.8 miles S of jct with 116 in Monte Rio Comment
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Oct 9 2018
  UCSB22877  Ceanothus parryi McMinn, H. 1941-4-26 Sonoma North of Guerneville Comment
  RSA25703  Ceanothus parryi Carl B. Wolf 1941-7-17 11020 Sonoma N coast Range, Trinity Mt, 2 miles E of Hwy and12 (Sonoma to Santa Rosa) 457 Comment
  CAS-BOT-BC52123  Ceanothus prostratus Carl Meyer 1928-3-3 306 Sonoma Santa Rosa Comment
  CAS-BOT-BC32656  Ceanothus sonomensis John Thomas Howell 1933-4-1 10930 Sonoma Slopes of Trinity Mt., 2 miles NE of Glen Ellen Comment
  CAS-BOT-BC53045  Ceanothus sonomensis J. Clausen 1933-3-25 724 Sonoma About 4 miles east of Warfield on road to Oakville, near the summit of the Youngman Ranch. 213 Comment
  CAS-BOT-BC83739  Ceanothus sonomensis D. O. Burge 2007-4-27 897 a Sonoma Mayacmas Mountains, Hood Mountain Regional Park and Open Space Preserve 480 Comment
  RSA757815  Ceanothus sonomensis Dylan O. Burge 2008-5-29 DOB 1002 c Sonoma Sonoma Mountains, Annadel State Park, above abandoned quarry at the end of Rhyolite Trail, accessed via Lawndale Trail, beginning at the Lawndale Trail Head on Lawndale Road, 4.65 km 272 degrees true west-northwest of Kenwood. 330 Comment
  RSA606274  Ceanothus velutinus Jon E. Keeley 1993-9-11 24801 Sonoma Chaparral on S side of N Peak, Mt. St. Helena. 1050 Comment
  HSC100876  Ceanothus velutinus Peter Warner 2011-6-16 215 Sonoma Jenner Headlands property, northeastern area, on ridge between Jenner Gulch and Kidd Creek watersheds, ~ 200 m fr. boundary with E&P Ranch 470 Comment
  CDA33632  Centaurea iberica R. Breckenridge, A. Smith, K. Filippini 2010-7-21 PDR# 1313479 Sonoma Calistoga; La Franchi Ranch, State Hwy 128. 0 Comment
  CDA19936  Centaurea melitensis McArthur 2002-7-2 PDR P 092644 Sonoma Northern California; Annadel State Park. 0 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-BC288815  Centromadia fitchii Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC288817  Centromadia fitchii Helen D. Geis 1902-1-1 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC288816  Centromadia fitchii Helen D. Geis 1902-8-1 572 Sonoma Unspecified Comment
  CAS-BOT-BC271550  Centromadia parryi subsp. rudis Walter Knight; Irja Knight 1985-9-23 5181 Sonoma Lower Tubbs Island about 1/4 mile from San Pablo Bay 0 Comment
  CAS-BOT-BC279399  Centromadia pungens subsp. pungens H. M. Hall 1931-10-6 13264 Sonoma West of Petaluma Comment
  CAS-BOT-BC251309  Cerastium Peter Rubtzoff 1960-5-18 s.n. Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC290705  Cerastium Peter Rubtzoff 1974-5-18 7409 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC384869  Cerastium Peter Rubtzoff 1983-8-28 9677 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  UCD98079  Cerastium glomeratum Rimy Waraich 1993-5-8 229 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail. 365 Comment
  UCD105656  Cercis occidentalis S. M. Smuckler 1995-6-3 12 Sonoma Highway 128, 1 mile west of Monticello Dam, 50 m from Lake Berryessa. 200 Comment
  POM140923  Cercocarpus betuloides A. A. Heller, H. E. Brown 1902-3-25 5147 Sonoma Near Mark West Springs Comment
  UCD113060  Cercocarpus betuloides var. betuloides Frederica Bowcutt 1994-6-25 1908 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Gray Pine Trail >1/2 mile N of trailhead on Meadow Trail, E of Sonoma Creek. 445 Comment
  CDA7377  Chamaemelum fuscatum T. C. Fuller 1970-5-4 19483 Sonoma 1 mile west of the freeway overpass, Highway 101, Asti. 0 Comment
  RSA432493B  Chamaesyce serpillifolia L. S. Rose 1935-9-11 35624 Sonoma 2 mi N of Healdsburg. 40 Comment
  UC42452  Cheilanthes covillei F. T. Bioletti 1893-3-12 Sonoma Sonoma Comment
  CAS-BOT-BC166911  Chenopodium Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7841 Sonoma Kenwood Marsh. Comment
  RSA783839  Chenopodium Peter Rubtzoff 1971-7-23 6617 Sonoma Laguna, Chileno Valley. Comment
  UCD166099  Chenopodium Peter Rubtzoff 1971-8-9 6639 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC493396  Chlorogalum pomeridianum Alice Eastwood 1915-6-29 4892 Sonoma Bodega Point Comment
  CAS-BOT-BC493397  Chlorogalum pomeridianum G. DeNevers 1981-5-30 1416 Sonoma In Bertoli's creek, Pepperwood Ranch Comment
  UCD35661  Chloropyron maritimum Beecher Crampton 1959-6-16 5400 Sonoma South end of Bodega Bay. Comment
  CAS-BOT-BC191510  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-8-6 62077 Sonoma Bodega Point 30 Comment
  CAS-BOT-BC191512  Chorizanthe cuspidata var. villosa H. D. Ripley; R. C. Barneby 1945-6-22 6950 Sonoma Bodega Bay 15 Comment
  UCD110111  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  CAS-BOT-BC173549  Cirsium Peter Rubtzoff 1970-9-3 6368 Sonoma Hillside marsh above Shell Beach in Sonoma Coast State Beach area. Comment
  OBI16749  Cirsium douglasii var. douglasii Robert F. Hoover 1966-7-17 9914 Sonoma Sausal Crk N of Alexander Valley Comment
  CAS-BOT-BC286378  Cirsium occidentale var. occidentale Alice Eastwood 1915-6-29 4888 Sonoma Bodega Point Comment
  CAS-BOT-BC280364  Cirsium occidentale var. venustum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UC1299442  Cirsium occidentale var. venustum Freed W. Hoffman 1947-5-30 516 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC280541  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  CAS-BOT-BC285754  Cirsium remotifolium Marcus E. Jones 1882-7-18 3385 Sonoma Duncan's Mills Comment
  JEPS79729  Cirsium remotifolium var. odontolepis Edward Lee with W. A. Setchell 1936-6-7 2205 Sonoma MacLaren Trail Bohemian Grove (roadside) Comment
  CDA40774  Clarkia affinis S. Quick 1996-5-1 8 Sonoma Along Road 32, within 50 meters of the U.C. Reserve access road leading to Stebbins Cold Canyon Reserve. Comment
  SEINET7042574  Clarkia amoena A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  CAS-BOT-BC161054  Clarkia amoena subsp. amoena Alice Eastwood 1915-6-29 4883 Sonoma Bodega Point Comment
  UC107827  Clarkia amoena subsp. amoena Katharine Brandegee 1905-6-26 Sonoma Bodega Bay Comment
  UC112987  Clarkia amoena subsp. amoena Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  CAS-BOT-BC161053  Clarkia amoena subsp. amoena John Thomas Howell 1930-7-27 5410 Sonoma 8 miles south of Fort Ross Comment
  RSA0059971  Clarkia amoena subsp. amoena Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  RSA453484  Clarkia amoena subsp. amoena E. A. Purer 1932-7-24 s.n. Sonoma Between Bodega Bay and Santa Rosa Comment
  CAS-BOT-BC172202  Clarkia concinna Mark Okada 1975-5-25 s.n. Sonoma Route 128, north of Cloverdale Comment
  LA206049  Clarkia concinna H. Lewis; 1951-7-10 868 Sonoma 0.7 mi W of Mark West Spring Comment
  CHSC41507  Clarkia concinna subsp. concinna R. N. Bowman 1985-5-23 6070 Sonoma 5.6 miles e of Red Winery Road on the road to the Geysers. 609 Comment
  JEPS43617  Clarkia concinna subsp. concinna Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  UC400139  Clarkia concinna subsp. concinna Ynez Mexia 1929-6-2 2394 Sonoma near Mark West Springs Comment
  UC73322  Clarkia concinna subsp. concinna Miss M. Alice King May 1897 Sonoma near Healdsburg Comment
  UCR218635  Clarkia concinna subsp. concinna George K. Helmkamp, E. A. Helmkamp 2010-6-4 16206 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-BC163130  Clarkia gracilis subsp. sonomensis Peter H. Raven; R. Snow 1958-7-23 13686 Sonoma 8.3 miles east of Skaggs Springs on road to Stewarts Point Comment
  CAS-BOT-BC163132  Clarkia gracilis subsp. sonomensis Joseph P. Tracy 1945-7-4 17511 Sonoma Trinity River Valley, at Willow Creek 152 Comment
  POM153267  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 21 Sonoma Sonoma - Santa Rosa Hwy, 5.5 miles S of Santa Rosa. 32 Comment
  CAS-BOT-BC163149  Clarkia imbricata Peter Rubtzoff 1952-7-20 1308 Sonoma Pitkin Ranch, Nine Hill region Comment
  LA30762  Clarkia imbricata Peter H. Raven; Richard Snow 1958-7-23 13692 Sonoma at 4551 Vine Hill Road, near Pitkin Marsh Comment
  UC728606  Clarkia imbricata Milo S. Baker 1945-7-18 11107 Sonoma along path to <Pitkin> marsh; Pitkin Ranch Comment
  RSA0060039  Clarkia imbricata Peter H. Raven, R. Snow 1958-7-23 13692 Sonoma 4551 Vine Hill Road, near Pitkin Marsh Comment
  POM171644  Clarkia purpurea subsp. quadrivulnera Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  UC58864  Clarkia purpurea subsp. quadrivulnera Milo S. Baker May 1899 Sonoma near Kenwood Comment
  SBBG4989  Clarkia purpurea subsp. quadrivulnera H. and M. Dearing 1939-5-3 3274 Sonoma Pope Valley near St Helena Comment
  JEPS128336  Claytonia exigua Roger Raiche 2010-2-28 009 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SD56829  Claytonia gypsophiloides Darley F. Howe 1963-5-23 3532 Sonoma 4 mi. no. of Cloverdale on # 128 334 Comment
  UC852065  Claytonia gypsophiloides Alice Eastwood 1918-5-1 6819 Sonoma Mt. St. Helena Comment
  UCD84822  Claytonia perfoliata Nellie Coffey 1931-4-12 s.n. Sonoma Mount St. Helena. Comment
  RSA388344  Claytonia perfoliata Gary Bolton 1975-4-19 3 Sonoma Bay Road, 200m E of P G & E hole, Bodega Head 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-BC366861  Clematis lasiantha Greg de Nevers 1998-4-11 11152 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Neuman Center on Porter Creek Road 400 Comment
  UCD160878  Clematis lasiantha James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3257 Sonoma Mayacmas Mountains, ca. 1/2 mile south of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 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-BC92751  Clematis ligusticifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  UCD35658  Clinopodium douglasii Beecher Crampton 1959-6-16 5395 Sonoma 1 mile northeast of Freestone. Comment
  CAS-BOT-BC499955  Clintonia andrewsiana George Syme 1917-4-25 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC499956  Clintonia andrewsiana Mrs. H. C. Cantelow 1934-4-29 495 Sonoma Bank of Gualala River Comment
  CAS-BOT-BC499957  Clintonia andrewsiana Rimo Bacigalupi 1926-5-8 1393 Sonoma Cazadero Comment
  SEINET12335260  Collinsia heterophylla F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -253 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  OBI49261  Collinsia sparsiflora Michener & Bioletti, Bioletti April 1893 s.n. Sonoma Kenwood Comment
  JEPS34532  Collinsia sparsiflora var. collina Freed W. Hoffman 1950-5-15 3730 Sonoma Pole Mt. near Cazadero; North Coast Ranges, Pole Mt. Comment
  JEPS22935  Collinsia sparsiflora var. sparsiflora Volney Rattan 1880 Sonoma Healdsburg Comment
  UC766311  Collinsia sparsiflora var. sparsiflora R. F. Hoover 1939-4-18 4045 Sonoma 3 mi w Graton (on road to Occidental) Comment
  JEPS87235  Collinsia tinctoria Jack and Betty Guggolz 1992-6-13 1311 Sonoma w side Black Mtn (Anderson Trail, e of Geyserville) 609 Comment
  UCR30587  Collomia diversifolia John C. Roos 1950-7-22 4873 Sonoma North Coast Range, 2 miles east of Duncan Mills 61 Comment
  UC23632  Collomia heterophylla Harley P. Chandler 1900-5-25 662 Sonoma Bodega Comment
  UC496400  Collomia heterophylla Merle Randall 1930-6-8 Sonoma floor Redwood Forest; Cazadero Comment
  CAS-BOT-BC376390  Convolvulus Greg de Nevers 1993-5-9 10440 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Just above the Pippindale-Pepperwood gate. 400 Comment
  OBI23312  Convolvulus arvensis Jim Rogers 1972-7-16 6 Sonoma Comment
  UCD125708  Convolvulus arvensis Frederica Bowcutt 1997-7-19 2198 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Franscio, 10 air miles E of Santa Rosa, 0.5 air miles SSE of Red Mountain, 0.1 air mile ENE of confluence of the Malm Fork and Sonora Creek. Along Meadow Trail E. of Gray Pine Trailhead and N. of Sonora Creek. Downstream of culvert under trail, 411 Comment
  JEPS128187  Conyza canadensis Roger Raiche 1999-8-28 027 .99 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA0065199  Cordylanthus pilosus subsp. pilosus Greg de Nevers 1997-6-7 11074 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Oak Hill Ranch. 100 Comment
  UC1239013  Cordylanthus pringlei Freed W. Hoffman 1946-9-26 582 Sonoma Layton Mine, Austin Creek Layton Mine Comment
  CHSC107300  Cordylanthus tenuis subsp. brunneus D. G. Kelch; Troy McGregor 2010-8-22 10 .353 Sonoma Nr Peak of Geyser Peak Rd. In open areas on serpentine. Comment
  JEPS57382  Cordylanthus tenuis subsp. capillaris L. R. Heckard and T. I. Chuang 1968-6-18 1953 Sonoma n Occidental (Stoetz Lane about 3/4 mi w of Harris grade road) Comment
  JEPS6807  Cordylanthus tenuis subsp. capillaris R. F. Hoover 1941-6-7 5307 Sonoma 2 mi se Monte Rio Comment
  CAS-BOT-BC290613  Cornus Peter Rubtzoff 1987-7-18 9797 Sonoma Russian River at Forest Hills, ca. 5.5 miles east of Guerneville. Along river, off Summerhouse Park Road, 0.2 miles west of Forest Hills Road. Comment
  CAS-BOT-BC212293  Cornus glabrata Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC212294  Cornus glabrata Alice Eastwood 1915-6-5 4578 Sonoma Petrified Forest Comment
  UCR255684  Cornus glabrata Greg de Nevers 1998-4-27 11196 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  RSA0045166  Cornus nuttallii Greg de Nevers 1993-4-27 10414 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Along Franz Creek east of 3865 Franz Valley Rd. 91 Comment
  CAS-BOT-BC210435  Cornus sericea Peter Rubtzoff 1958-5-3 3615 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC210436  Cornus sericea Peter Rubtzoff 1958-4-26 3589 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC210437  Cornus sericea Peter Rubtzoff 1957-8-18 3523 Sonoma Vacation Beach, near Guerneville. Russian River bank Comment
  CAS-BOT-BC212154  Cornus sericea Dorothy Scherer 1996-3-16 004 Sonoma West of hwy 1, north side of Kolmer Gulch, Fort Ross State Historic Park 7 Comment
  UCD117098  Cornus sericea subsp. occidentalis Peter Rubtzoff 1951-6-16 213 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  UCR244499  Coronopus didymus Peter Rubtzoff 1960-5-15 4333 Sonoma Fife Creek Marsh [near Guerneville] Comment
  SEINET12030990  Corylus cornuta var. californica F. H. Utech 1988-1 88 -210 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  CAS-BOT-BC366894  Cotinus coggygria Greg de Nevers 1997-11-5 11104 Sonoma Santa Rosa, Riebli School Comment
  CAS-BOT-BC290300  Cotula coronopifolia Peter Rubtzoff 1951-7-14 451 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  RSA790515  Cotula coronopifolia Peter Rubtzoff 1970-10-29 6419 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  RSA94302  Cotula coronopifolia Peter Rubtzoff 1952-5-10 1011 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC427643  Crassula aquatica H. K. Wagnon 1989-5-23 1956 Sonoma Spring Lake Park and environs. Adjacent to Montgomery Drive. Adjacent to Spring Creek diversion channel 67 Comment
  CAS-BOT-BC427918  Crassula connata Catherine Best 1987-3-28 1238 Sonoma Bodega Head Comment
  UCD101816  Crassula solieri Reid Moran; Chas. Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1 km E of Glen Ellen (Rt. 12, 0.5 km S of Arnold Drive.) 110 Comment
  RSA123352  Crataegus suksdorfii H. S. Yates 1934-4-21 3783 Sonoma Near Bodega. 61 Comment
  UCD126218  Cressa truxillensis Milo S. Baker Fall 1946 11710 Sonoma less than 1 mile north of junction of Black Point Highway and Sears Point cut off. Comment
  OBI51541  Crupina vulgaris Keith Wagnon 1989-7-3 s.n. Sonoma SE of Santa Rosa at Annadel State Park Comment
  CAS-BOT-BC190105  Crypsis schoenoides Peter Rubtzoff 1970-5-30 6243 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC190106  Crypsis schoenoides Peter Rubtzoff 1969-10-29 6200 Sonoma Pond on River Road 3 miles west of Fulton. Comment
  CAS-BOT-BC190145  Crypsis schoenoides Greg de Nevers 1992-10-15 10252 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek. 304 Comment
  CAS-BOT-BC190146  Crypsis schoenoides Peter Rubtzoff 1987-9-27 9855 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC190147  Crypsis schoenoides Peter Rubtzoff 1963-9-21 5269 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC190107  Crypsis schoenoides Catherine Best 1981-10-18 s.n. Sonoma On the shore of a small lake on Staetz Lane 3M northeast of Occidental. Comment
  RSA785748  Cucurbita Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  UCD148407  Cucurbita foetidissima Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa, N of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC85430  Cupressus sargentii W. Knight; Irja Knight 1964-11-15 799 Sonoma Hood's Peak - N.W. edge of meadow above Johnson Dam Comment
  CAS-BOT-BC85459  Cupressus sargentii Robert Francis Hoover 1968-2-23 10895 Sonoma Harrison Grade Rd. near summit, serpentine area Comment
  CDA11140  Cupressus sargentii G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11551 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Large forest on W facing slope. Trees to 30 ft. Comment
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Jul 25 2018
  UC583388  Cupressus sargentii Elmer I. Applegate 1934-3-25 8859 Sonoma w slope Mayacama Mts.; , Pine Flat Region Comment
  CAS-BOT-BC361393  Cuscuta californica var. breviflora Greg de Nevers 1993-8-7 10481 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA788849  Cuscuta pentagona Peter Rubtzoff 1970-9-8 6384 Sonoma Sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  CDA39985  Cuscuta subinclusa Mary-Jean Sawyer 2008-7-3 PDR# 1544920 Sonoma Sears Pt. Dr., on Hwy 37 X Hwy 121, On side of road down to waters edge, near Tolby Creek. 0 Comment
  CAS-BOT-BC320510  Cynodon Peter Rubtzoff 1970-9-13 6385 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  UC75666  Cynoglossum grande Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  UCD160150  Cynoglossum grande James A. Neilson Jr. 1974-4-30 2723 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) Comment
  POM202745  Cynoglossum grande I. L. Wiggins 1932-3-12 5760 Sonoma Between Franz Valley and Knight s Valley. Comment
  CAS-BOT-BC190472  Cynosurus echinatus Mary P. Wells 1981-8-2 s.n. Sonoma Trail north off Crow's Nest Road and east of Spy Glass Lane. The Sea Ranch. Comment
  UC576275  Cynosurus echinatus Virginia Bufford May 1936 Sonoma one mi nw Bodega Road; Sebastopol Quad. 60 Comment
  UCD60175  Cynosurus echinatus R. Tofsrud 1948-5-1 s. n. Sonoma Northeast Sonoma County. Comment
  CAS-BOT-BC114513  Cyperus eragrostis Peter Rubtzoff 1951-7-14 452 Sonoma Pitkin Marsh, near Forestville. Damp, open area between the Upper and the Lower marshes. Comment
  CAS-BOT-BC114438  Cyperus erythrorhizos Peter Rubtzoff 1956-9-14 2868 Sonoma Vacation Beach., near Guerneville. Open, wet margin of a pool on Russian River bottom. Comment
  UC1100638  Cyperus niger Herbert L. Mason 1946-7-4 12884 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  UC688870  Cyperus niger Freed Hoffman 1943-10-26 Sonoma overflow pool of Russian R. Guerneville Comment
  CAS-BOT-BC113908  Cyperus niger var. capitatus Peter Rubtzoff 1953-11-1 1443 Sonoma Vacation Beach, Near Guerneville. Sandy beach of Russian River. Comment
  CAS-BOT-BC435193  Cypselea humifusa Peter Rubtzoff 1969-8-24 6148 Sonoma Pond on River Road 3 mi. west of Fulton. Comment
  CAS-BOT-BC201022  Cytisus scoparius Alice S. M. McKenzie 1980-12-27 s.n. Sonoma Behind house at 21001 N. Coast Hwy., Timber Cove area Comment
  CAS-BOT-BC189805  Dactylis glomerata G. DeNevers 1981-5-23 1281 Sonoma Pepperwood Ranch. At Big Roadcut on Franz Valley Road, below Walter Ward's House. Comment
  CAS-BOT-BC189806  Dactylis glomerata John H. Thomas 1976-6-15 18311 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  POM204594  Dactylis glomerata A. A. Heller 1902-6-7 5657 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UC1023585  Dactylis glomerata Virginia Bufford 1935-5-24 67 Sonoma Santa Rosa Comment
  UCD60293  Dactylis glomerata Collector unknown 1941-5-1 Sonoma Santa Rosa, McDonald Ave. Comment
  CAS-BOT-BC189847  Dactylis glomerata Mary P. Wells 1982-8-21 137 Sonoma Salt Point State Park. Comment
  CAS-BOT-BC192268  Danthonia californica David L. Morgan 1956-5-17 s.n. Sonoma On Watmaugh Rd., 1/2 mi. W. of junction of Arnold Drive Comment
  CAS-BOT-BC192269  Danthonia californica Peter Rubtzoff 1951-6-17 267 Sonoma Eastern branch of the Upper Marsh 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
  RSA785374  Danthonia californica Peter Rubtzoff 1971-6-5 6508 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Road. 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
  UC1131385  Danthonia californica H. S. Yates 1937-5-30 6540 Sonoma 1 1/2 mi sse Graton; Sebastopol Quadrangle Comment
  UCD60307  Danthonia californica R. Tofsrud 1941-5-1 28 Sonoma Behind old Santa Rosa Cemetery. Comment
  UCD60480  Danthonia californica B. Crampton 1955-6-17 2960 Sonoma 4.5 miles east of Fort Ross. Comment
  UCD61013  Danthonia californica R. Tofsrud 1948-5-9 Sonoma Old Santa Rosa cemetery, Santa Rosa. Comment
  RSA14422B  Danthonia californica var. americana J. T. Howell 1935-5-5 12611 Sonoma Low hills, 6 miles from Santa Rosa on road to Sonoma Comment
  UC1131394  Danthonia californica var. americana H. S. Yates 1937-5-30 6541 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  UCD36533  Danthonia californica var. americana Beecher Crampton 1954-4-26 1789 Sonoma Sonoma County, 9 miles southeast of Geyserville, along Highway 128, 0.5 mile north of Calistoga Road cutoff, on slope facing Alexander Valley. Comment
  UCD60686  Danthonia californica var. americana R. Tofsrud 1941-4-1 27 Sonoma Near Wright School. Comment
  CAS-BOT-BC154983  Datura Peter Rubtzoff 1969-8-14 6131 Sonoma Along Salmon Creek, ca. 0.5 mi. upstream from Highway #1. Comment
  RSA662528  Datura stramonium J. C. Roos 1948-8-28 3987 Sonoma Healdsburg. Comment
  UCD127390  Daucus carota G. F. Hrusa 1998-11-29 14907 Sonoma mowed field across from furthest south residence. Comment
  RSA74424  Delphinium bakeri Milo S. Baker 1946-4-25 11337 Sonoma Coleman Valley; West of Occidental on Hendrin Ranch Comment
  RSA0005301  Delphinium bakeri Milo S. Baker 1939-05 9489 Sonoma Coleman Valley Comment
  CAS-BOT-BC9015  Delphinium decorum A. A. Heller; H. E. Brown 1902-4-11 5266 Sonoma Bodega Bay Comment
  POM253332  Delphinium decorum A. A. Heller 1938-5-14 15089 Sonoma East of 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-BC10349  Delphinium hesperium Roxana Stinchfield Ferris; L. Lorraine 1961-6-14 13540 Sonoma 1 mile on Joy Road from junction with Bodega Highway Comment
  SD56750  Delphinium hesperium Darley F. Howe 1963-7-2 3577 Sonoma 4.2 miles north of junction with #12 on #1 Comment
  CAS-BOT-BC10094  Delphinium luteum Milo S. Baker 1926-4-14 186 b Sonoma Between Bodega and the Bay Comment
  CAS-BOT-BC33152  Delphinium luteum Amos Arthur Heller; H. E. Brown 1902-4-11 5256 Sonoma Bodega Bay Comment
  LA207536  Delphinium luteum Joseph Andorfer Ewan; 1935-5-12 9203 Sonoma 2 mi W of Bodega Bay on Bodega Bay rd Comment
  UCR265118  Delphinium nudicaule Ann Howald 2015-4-1 3316 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 520 Comment
  UC136330  Delphinium nudicaule C. F. Baker 1903-4-20 2620 Sonoma Mt. St. Helena Comment
  UC424807  Delphinium nudicaule Milo S. Baker 1930-4-5 39306 Sonoma on Coast Road a few mi s Russian River Comment
  CAS-BOT-BC121723  Delphinium patens subsp. patens Volney Rattan 1880-1-1 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC121724  Delphinium patens subsp. patens Gregory Clark de Nevers 1981-5-2 924 Sonoma Pepperwood Preserve, N slope of high hill E of 3 Tree Hill. 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
  RSA59856  Delphinium variegatum J. Ewan 1935-5-12 9241 Sonoma Los Guilicos, 2 miles N of Kenwood Comment
  CAS-BOT-BC7764  Delphinium variegatum subsp. variegatum Ella D. Cantelow 1939-4-8 2592 Sonoma South of Shellville Comment
  CAS-BOT-BC7769  Delphinium variegatum subsp. variegatum John Thomas Howell 1941-4-5 16175 Sonoma 1 mile S of El Verano Comment
  UCD136322  Dendromecon rigida M. Rei Scampavia Evangelista 2012-5-20 9 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  SEINET12090184  Dendromecon rigida W. Knight, Knight, I. 1981-1 3977 Sonoma 4.1 mi up Cavedale Road from junction of state route 12 Comment
  SEINET12091845  Dendromecon rigida F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -160 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  UC573728  Deschampsia cespitosa subsp. holciformis H. S. Yates 1937-6-6 6586 Sonoma 5 mi. s. Jenner; Duncan Mills Quad. Comment
  CAS-BOT-BC192608  Deschampsia cespitosa subsp. holciformis Catherine Best 1982-8-18 s.n. Sonoma Goat Rock Park off of Hwy. 1 Comment
  CAS-BOT-BC201649  Deschampsia danthonioides W. L. Jepson 1911-4-30 4183 Sonoma Sonoma Valley Comment
  UCD63718  Deschampsia elongata A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3555 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  SEINET10524284  Deschampsia elongata A. Arthur Heller 1902-6-7 Heller 5653 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC907  Dicentra formosa subsp. formosa Peter Rubtzoff 1975-4-27 7950 Sonoma Forest Hills, 5.5 miles E of Guerneville. At 9981 Old River Road. Comment
  SEINET7295473 Image available Dichanthelium acuminatum Leo Koch 1940-1 825 Sonoma Bare slopes around Sulfur Creek Geysers, east of Cloverdale, Inner North Coast Ranges Comment
  CAS-BOT-BC208926  Dichanthelium acuminatum subsp. acuminatum F. G. Krauss 1893-10-28 s.n. Sonoma Geyser Canyon Comment
  CAS-BOT-BC208927  Dichanthelium acuminatum subsp. acuminatum Helen D. Geis 1903-8-1 569 Sonoma The Geysers Comment
  CAS-BOT-BC254498  Dichanthelium acuminatum subsp. acuminatum Walter Knight; Irja Knight 1968-1-1 2264 Sonoma From end of footbridge at Sulphur Creek opposite bath houses, Geysers Resort Comment
  SEINET242405 Image available Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-18 7139 a Sonoma NE Sonoma County, the Geysers, 12 miles (in direct line) E of Cloverdale, ca. 1/2 mile E of Geyser Resort area 494 Comment
  POM169356  Dichelostemma capitatum subsp. capitatum A. A. Heller, H. E. Brown 1902-3-14 5065 Sonoma Near Windsor Comment
  RSA39845  Dichondra donelliana Vanderwal 1941-11-6 s.n. Sonoma Frank Silva property, Sebastopal. Comment
  UCD148387  Digitaria sanguinalis Peter Rubtzoff 1956-9-14 2857 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCR255869  Digitaria sanguinalis Greg de Nevers 1996-9-23 10879 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 476 Comment
  CAS-BOT-BC152038  Diplacus aurantiacus A. A. Heller; H. E. Brown 1902-4-11 5258 Sonoma Bodega Bay Comment
  SBBG21355  Diplacus aurantiacus V. Haraden 1941-7-13 Sonoma canyon, ca. 20 mi E of Bodega Bay 304 Comment
  SEINET13682823  Diplacus aurantiacus M. J. Williams 1968-4-6 s.n. Sonoma Trinity Grade. 213 Comment
  CAS-BOT-BC121894  Dirca occidentalis Milo S. Baker 1942-5-20 10197 Sonoma Two miles west of Bodega town on a road which turns right within the town Comment
  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
  UC72487  Disporum hookeri Milo S. Baker 1898-4-2 Sonoma road between Forestville and Guerneville Comment
  POM109250  Disporum hookeri var. hookeri Marcus E. Jones 1882-7-8 s.n. Sonoma Duncan Mills. Comment
  UCD64174  Distichlis spicata Beecher Crampton 1959-6-16 5401 Sonoma Doran Park, south end of Bodega Bay. Comment
  UCD64557  Distichlis spicata Beecher Crampton 1957-7-11 4315 Sonoma At the western edge of Bodega Harbor, about 2 miles by road, west of the town of Bodega Bay. 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
  UC1199856  Dodecatheon hendersonii Herbert L. Mason 1926-3-22 2792 Sonoma near Napa-Sonoma line (near Petrified Forest); near Petrified Forest 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
  UC1244025  Downingia concolor var. concolor John H. Weiler 1960-4-22 60101 Sonoma 3.0 mi n Agua Caliente (or 1.7 mi n of the turn to the Sonoma State Home, on the w side of State Highway 12) Comment
  JEPS108526  Downingia concolor var. concolor Lisa Schultheis 1995-5-15 151 -95 Sonoma Todd Road Reserve. SWof Santa Rosa, on Todd Road, just W of Llano Road. Comment
  JEPS14401  Downingia pusilla W. L. Jepson 1921-5-6 9194 Sonoma Sonoma Valley Comment
  UC1019327  Downingia pusilla W. L. Jepson 1921-5-6 9194 Sonoma Sonoma Valley Comment
  UCR279878  Downingia pusilla Peter Rubtzoff 1972-4-23 6728 Sonoma North Coast Range, 4.25 miles west of Glen Ellen on Bennett Valley Road 220 Comment
  CAS-BOT-BC401545  Drosera rotundifolia Peter Rubtzoff 1951-7-8 393 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC401546  Drosera rotundifolia Peter Rubtzoff 1951-7-8 393 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  UC1127101  Drosera rotundifolia H. S. Yates 1937-5-30 6536 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  UCD113045  Drymocallis glandulosa Frederica Bowcutt 1994-6-12 1842 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Sonoma Creek near trailhead for Hillside trail. 381 Comment
  CAS-BOT-BC71012  Dryopteris arguta John H. Thomas 1976-6-18 18361 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville Comment
  CAS-BOT-BC71013  Dryopteris arguta Dorothy Scherer 1997-5-7 096 Sonoma Along path south side of Fort Ross Cr. halfway from Hwy 1 to ocean, Fort Ross State Historic Park 36 Comment
  CAS-BOT-BC71026  Dryopteris arguta G. DeNevers 1981-4-25 854 Sonoma Mark West Creek and Leslie Creek confluence Comment
  RSA0021585  Dryopteris arguta M. Bourell, Alva Day, George Lindsey 1982-6-25 1813 Sonoma CAS Pepperwood Ranch. 6 miles east of Santa Rosa. 366 Comment
  SEINET7067251  Dudleya caespitosa A. G. Vestal 1947-5-13 s.n. Sonoma South Sonoma Coast, about 1.3 miles north of Salmon Creek on Route 1. Coordinate datum: NAD27. Comment
  UC725574  Dudleya cymosa A. A. Heller 1940-5-10 15609 Sonoma along Wheatfield Fork of Gala River (on the Stewart Point-Skagg's Spring Rd) Comment
Read comments
Nov 20 2018
  CAS-BOT-BC428378  Dudleya farinosa Alice Eastwood 1915-6-29 4890 Sonoma Bodega Point Comment
  UC499854  Dudleya farinosa Roxana S. Ferris 1932-5-27 8260 Sonoma n end Bodega Bay (bluffs) Comment
  SD131828  Dysphania pumilio Barbara Eritter 1988-11-5 8032 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, Point below Little Flat parking area W of bridge, steep bare banks left by receding water. 152 Comment
  UCD98818  Dysphania pumilio Barbara Ertter 1988-11-5 8032 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  UCD164211  Echinochloa Peter Rubtzoff 1978-9-10 9264 Sonoma Russian River at Del Rio Beach, ca. 2.5 miles east of Healdsburg on South Fitch Mountain Road. Comment
  UCD165779  Echinochloa Peter Rubtzoff 1973-9-4 7296 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC208551  Echinochloa crus-galli G. DeNevers 1981-9-12 1845 Sonoma Mark West Creek, at its confluence with Leslie Creek, Pepperwood Ranch Comment
  RSA118966  Echinochloa crus-galli L. S. Rose 1956-8-20 56148 Sonoma San Antonio Creek, Highway 101 3 Comment
  UCD60877  Echinochloa crus-galli Beecher Crampton 1960-11-29 5810 Sonoma 4 miles southeast of Santa Rosa, Matanzas Creek, 1/2 mile north Bennett Valley Grange Hall. Comment
  UCD166224  Echinodorus berteroi Peter Rubtzoff 1970-8-5 6297 Sonoma Five miles north of Sears Point. 11 Comment
  UCD49782  Eleocharis macrostachya Mary M. Hektner 1975-6-2 194 Sonoma Unit 28 Owner's Map, Sea Ranch, near State Highway 1, Sonoma County, California. Comment
  CAS-BOT-BC112275  Eleocharis rostellata Peter Rubtzoff 1951-6-2 93 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CDA15742  Elymus elymoides subsp. elymoides G. F. Hrusa 1998-6-14 14594 Sonoma Knights Valley; Serpentine slopes on side of Ida Clayton Rd., ~1.5 mi. E of Hwy. 128, NW shoulder of Mt. St. Helena. Serpentine interfingering with volcanic substrate, this apparently on both. Occasional, perennial bunchgrass. Comment
  CAS-BOT-BC203705  Elymus glaucus subsp. glaucus Mary P. Wells 1984-5-24 282 Sonoma Annadel State Park, Santa Rosa Comment
  CAS-BOT-BC203707  Elymus glaucus subsp. glaucus Alice Eastwood 1915-6-29 4873 Sonoma Bodega Point Comment
  CAS-BOT-BC203706  Elymus glaucus subsp. glaucus K. Wagnon 1939-5-20 209 Sonoma Along road by Santa Rosa Airport Comment
  UCD62407  Elymus glaucus subsp. virescens Beecher Crampton 1957-7-11 4311 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  CAS-BOT-BC235234  Elymus multisetus D. E. Breedlove 1980-6-28 44794 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD167418  Epilobium campestre Peter Rubtzoff 1962-6-21 4940 Sonoma Laguna de Santa Rosa NE of Graton, E of Laguna Road. Comment
  CAS-BOT-BC166619  Epilobium canum subsp. canum John I. Carlson 1917-7-23 s.n. Sonoma Preston Comment
  SEINET13287585 Image available Epilobium ciliatum A. G. Vestal 1937-6-18 s.n. Sonoma Comment
  UC20057  Epilobium ciliatum subsp. ciliatum J. Burtt Davy Aug., 1896 4136 Sonoma Russian River Comment
  UCR248960  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-24 1985 Sonoma Forestville Marsh 71 Comment
  RSA0009608  Epilobium ciliatum subsp. ciliatum Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  RSA800032  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1520 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  RSA800037  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1968-7-20 5923 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC262965  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-7-29 1608 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC300481  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1962-6-21 4937 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  RSA0015637  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1962-8-22 5052 Sonoma Bodega Bay Marsh. Comment
  UCD166300  Epilobium hallianum Peter Rubtzoff 1966-6-5 5760 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  JEPS82256  Epipactis gigantea Roger Raiche 1983-8-6 30579 Sonoma headwaters of Big Austin Creek (The Cedars); , Big Austin Creek 457 Comment
  UC1299380  Epipactis gigantea Freed W. Hoffman 1947-5-30 518 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UCD165327  Equisetum Peter Rubtzoff 1973-8-21 7254 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC57128  Equisetum X ferrissii Peter Rubtzoff 1952-5-31 1104 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC57642  Equisetum telmateia Walter Knight; Irja Knight 1964-11-15 779 Sonoma Hood's Peak, near Johnson Lake Comment
  CAS-BOT-BC57643  Equisetum telmateia Walter Knight; Irja Knight 1963-9-15 383 Sonoma Los Alamos Rd. Comment
  RSA216125  Equisetum telmateia var. braunii Peter Rubtzoff 1954-6-6 1468 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC311809  Eragrostis Peter Rubtzoff 1965-8-16 5603 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC172570  Eragrostis cilianensis Peter Rubtzoff 1961-8-25 s.n. Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CDA2089  Eragrostis cilianensis E. P. Delfino Sonoma 4051 Harrison Grade Road, Sebastopol. 0 Comment
  CAS-BOT-BC213571  Eragrostis hypnoides John Thomas Howell 1955-9-13 30913 Sonoma Sand bar of Russian River at Odd Fellows Park above Guerneville. Comment
  CAS-BOT-BC182770  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1963-9-28 5277 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  RSA784477  Erechtites minimus Peter Rubtzoff 1974-8-4 7799 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC164648  Erechtites minimus Peter Rubtzoff 1974-8-4 7799 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC291250  Erechtites minimus Walter Knight; Irja Knight 1963-9-3 256 Sonoma Wiggins Hill Comment
  CAS-BOT-BC291252  Erechtites minimus Roxana S. Ferris 1937-8-18 9377 Sonoma Near mouth of Salmon Creek on Bodega Bay Comment
  CAS-BOT-BC131609  Ericameria arborescens Walter Knight; Irja Knight 1963-9-1 133 Sonoma Harold Smith Ranch on Pine Mt. Rd NE of Cloverdale Comment
  JEPS19211  Ericameria arborescens Edw. L. Greene 1888-8-31 Sonoma Petrified Forest Comment
  UC567089  Ericameria arborescens J. B. Spring 1932-7-7 97 Sonoma 2/5 mi sw Veader Mountain; Napa Quadrangle 609 Comment
  SD40110  Ericameria ericoides subsp. ericoides Edith A. Purer 1932-7-19 Sonoma Bodega Bay Comment
  CAS-BOT-BC293622  Erigeron biolettii Marcus E. Jones 1882-7-17 3620 Sonoma Duncan's [Duncans] Mills Comment
  CAS-BOT-BC293630  Erigeron biolettii Volney Rattan 1877-6-17 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC295125  Erigeron glaucus Walter Knight; Irja Knight 1963-8-13 169 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC295126  Erigeron glaucus John H. Thomas 1976-6-15 18308 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC295127  Erigeron glaucus Alice Eastwood 1915-6-29 4890 Sonoma Bodega Point Comment
  RSA696822  Erigeron glaucus J. Russell Bruff 1936-8-21 s.n. Sonoma Bodega Bay region Comment
  UC1557906  Erigeron glaucus J. Semple, S. Heard 1986-8-20 8571 Sonoma CA-1, between Jenner and Bodega Bay (edge of bluffs) Comment
  UC895875  Erigeron glaucus Marcus E. Jones, A. M. 1882-7-17 3622 Sonoma Duncan's Mills Comment
  JEPS117100  Erigeron serpentinus Peter Warner 2010-7-7 169 Sonoma Jenner Headlands, upper Jenner Pasture, ~ 400 m, E 116 deg. S of residence house, under power lines upslope fr. Jenner Gulch Comment
  UC1193343  Eriodictyon californicum R. H. Neuns 1950-4-28 97 Sonoma 8 mi e Cloverdale; Quad. 60B3 640 Comment
  UCD112399  Eriodictyon californicum Christopher Mallek 2008-5-2 s.n. Sonoma Hooker Canyon. 590 Comment
  SD6690  Eriodictyon californicum unknown 1880-6-14 Sonoma Near Sonoma Comment
  UC534933  Eriogonum latifolium Mrs. H. P. Bracelin 1930-7-27 24 Sonoma 2 mi n Bodega Comment
  POM258435  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
  CAS-BOT-BC270979  Eriogonum nervulosum Freed W. Hoffman 1947-9-29 507 Sonoma Layton Mine, Austin Creek Comment
  JEPS128253  Eriogonum nudum var. auriculatum Roger Raiche 1999-10-3 045 .99 Sonoma The Cedars. Near Cabin site, above Grotto Pool. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC262388  Eriogonum vimineum G. DeNevers 1981-6-27 1706 Sonoma Pepperwood Ranch. Summit of Franz Valley Road Comment
  JEPS82287  Eriophorum crinigerum Roger Raiche 1983-6-25 20425 Sonoma near Laton Mine (headwaters of creek); the Cedars, Austin Creek 335 Comment
  UCD131466  Eriophyllum confertiflorum var. confertiflorum Frederica Bowcutt 1994-6-25 1919 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/4 mi. from Gray Pine Trail. 670 Comment
  CAS-BOT-BC301154  Eriophyllum lanatum var. achilleoides Greg de Nevers 1981-5-9 1111 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC301284  Eriophyllum lanatum var. arachnoideum G. DeNevers 1981-5-2 915 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC301293  Eriophyllum lanatum var. arachnoideum Milo S. Baker 1947-5-30 11780 Sonoma Harrison's Grade ca 2 mi. N.E. of Occidental Comment
  RSA789043  Erodium Carrie A. Herd 1982-3-16 28 Sonoma Santa Rosa, Todd Road Preserve Comment
  JEPS117126  Erodium botrys Peter Warner 2010-3-29 119 Sonoma 1670 Bloomfield Road, approx. 3 km S of center Sebastopol, throughout property. Comment
  UCD103082  Erodium botrys Robert F. Thorne 1965-4-19 34265 Sonoma Cotati, Waters Ranch. Comment
  CAS-BOT-BC41436  Eruca vesicaria subsp. sativa Milo S. Baker 1935-3-1 8025 Sonoma About 5 miles form Santa Rosa on road to Sebastopol. Comment
  CDA13482  Eryngium aristulatum G. F. Hrusa, Allen Buckman 1997-7-21 14010 Sonoma North Coast Biodiversity Arena; approx. 200 m. W of Hwy 128 in drainage of Blossom Creek, 2 km. NW of Tubbs Lane int. Sheet 1 of 2 Comment
  UCSC000705  Eryngium aristulatum B. Bufford 1937-6-19 s.n. Sonoma near East Windsor East Windsor - Healdsburg 30 Comment
  CDA15296  Eryngium aristulatum R. Gross November 1996 s.n. Sonoma North Coast Biodiversity Arena; CAS Pepperwood Natural Preserve. 0 Comment
  POM259280  Eryngium aristulatum var. aristulatum J. T. Howell 1933-8-27 11619 Sonoma Low lands bordering the San Pablo Bay southwest of Sonoma Comment
  RSA290418  Eryngium aristulatum var. aristulatum Yusuf Sheikh, Peter Rubtzoff 1971-7-20 504 Sonoma Drying vernal pool along Todd Road, open country NW of Cotati Comment
  POM132678  Eryngium armatum A. D. E. Elmer 1903-07 4776 Sonoma Petaluma. Comment
  UC584212  Eryngium armatum David D. Keck and J. Clausen 1935-6-15 3369 Sonoma 1 mi. n. Salmon Creek Comment
  OBI60135  Eryngium racemosum Joseph Andorfer Ewan 1935-5-13 9256 Sonoma Wright School on Sebastopal Rd Comment
  SD77326  Erythranthe guttata F. W. Pennell, H. L. Mason 1940-5-21 25489 Sonoma Route 28, Kinghts Valley, along Maacona Creek, 12 mi. e. Healdsburg, along stream 121 Comment
  CAS-BOT-BC153623  Erythranthe inodora Peter Rubtzoff 1955-7-9 1945 Sonoma Forestville Marsh Comment
  UCR265137  Erythronium californicum Ann Howald 2015-4-1 3314 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 520 Comment
  CAS-BOT-BC403700  Eschscholzia californica Alice Eastwood 1921-5-8 10468 Sonoma Petaluma Comment
  CAS-BOT-BC403702  Eschscholzia californica Alice Eastwood 1899-1-1 s.n. Sonoma Bodega Point Comment
  SD40082  Eschscholzia californica Edith A. Purer 1932-7-29 4047 Sonoma Bodega Bay. Comment
  RSA149295  Eschscholzia californica subsp. californica Alice Eastwood 1900-6-9 s.n. Sonoma Bodega Point Comment
  UC353919  Eucalyptus camaldulensis Milo S. Baker 1928-1-28 3237 b Sonoma w. side Los Guilicos Valley Comment
  CAS-BOT-BC294704  Euphorbia Peter Rubtzoff 1969-8-29 6180 Sonoma Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road. Comment
  UC469051  Eurybia radulina Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  UCR255940  Euthamia occidentalis Peter Rubtzoff 1960-9-17 4560 Sonoma Laguna de Santa Rosa east of Graton, between Occidentalis and Guerneville roads 27 Comment
  CAS-BOT-BC262980  Fabaceae Peter Rubtzoff 1965-9-5 5642 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCR249335  Festuca arundinacea Peter Rubtzoff 1962-5-25 4838 Sonoma Laguna de Santa Rosa area, northeast of Gratton, near the Laguna Road 30 Comment
  JEPS121154  Festuca bromoides Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18600 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  UCD65874  Festuca californica subsp. californica R. Tofsrud 1941-3-1 93 Sonoma Near Santa Rosa. Comment
  RSA123478  Festuca californica var. californica H. S. Yates 1934-4-21 s.n. Sonoma Near Bodega Port 8 Comment
  CAS-BOT-BC278415  Festuca idahoensis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53981 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  RSA93405  Festuca idahoensis Milo S. Baker 1945-06 10921 Sonoma Spring Mountain Road, halfway to summit. Comment
  CAS-BOT-BC278885  Festuca occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-14 13534 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  CAS-BOT-BC278886  Festuca occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-14 13534 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  CAS-BOT-BC278887  Festuca occidentalis Milo S. Baker 1945-5-1 10893 Sonoma Santa Rosa Cr. Canyon, south slope Comment
  SD39853  Festuca perennis Edith A. Purer 1932-7-24 4084 Sonoma Near Bodega Bay Comment
  UC1023596  Festuca rubra Virginia Bufford 1936-5-20 324 Sonoma 3 mi from Kellogg (Kellogg Mark West Rd) Comment
  UCR37769  Fragaria vesca A. C. Sanders 1985-1-19 5375 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  UCD35634  Frangula californica Beecher Crampton 1959-6-16 5363 Sonoma 3 miles west of Graton. Comment
  CAS-BOT-BC53271  Frangula californica subsp. californica Walter Knight; Irja Knight 1963-12-27 467 Sonoma Summit, Pine Flat Rd. Comment
  CAS-BOT-BC223379  Fraxinus dipetala John H. Thomas 1976-6-18 18364 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville Comment
  UCD122049  Fraxinus latifolia Frederica Bowcutt 1997-7-18 2178 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  JEPS55695  Fritillaria M. and A. Ackley 1967-4-26 Sonoma 2/3 way down from summit towards Oakville (Trinity Grade Road); Trinity Grade Road 304 Comment
  JEPS61915  Fritillaria liliacea Eleanor Armstrong 1933-7-10 559 Sonoma Camp Meeker Comment
  UC3634  Fritillaria recurva F. T. Bioletti 1892-1 Sonoma Hood's Peak Comment
  UC480623  Fritillaria recurva Carl Meyer 1928-3-3 321 Sonoma Santa Rosa Comment
  RSA264747  Galium aparine Peter Rubtzoff 1962-6-1 4863 Sonoma Freestone Marsh. Comment
  JEPS52870  Galium californicum subsp. californicum Lauramay T. Dempster and Jean Colton 1963-8-5 3874 Sonoma 2 mi w Cloverdale (on road to Boonville); Alder Glen Springs Comment
  UC963917  Galium divaricatum Milo S. Baker 1947-5-12 11768 Sonoma along horse trail from Gray Ranch (sw slope of mt.); Hood Mt. 441 Comment
  UCD121861  Galium parisiense Frederica Bowcutt 1996-5-19 2124 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Lower Bald Mountain Trail. 426 Comment
  UCD121891  Galium porrigens P. G. Connors 1992-5-8 247 Sonoma Near rock outcrop on hillside. Comment
  JEPS52756  Galium porrigens var. porrigens Rimo Bacigalupi 1964-8-3 8999 Sonoma on stretch of road between Fort Ross and Russian Gulch (slopes 450-500 ft above and facing sea, just s of Meyer Gulch (exactly 0.9 mi n of junction of road to Seaview)) 137 Comment
  UC1348904  Galium porrigens var. porrigens Robert F. Thorne 1965-4-19 34284 Sonoma on Stoetz Road near county dump (off Harrison Grade, ca 2 mi nne of Occidental) 182 Comment
  RSA264750  Galium trifidum Peter Rubtzoff 1954-8-13 1713 Sonoma Bodega Head Marsh. Comment
  UCR255027  Gamochaeta pensylvanica Greg de Nevers 1993-5-30 10463 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC303499  Gamochaeta ustulata John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  RSA790994  Gamochaeta ustulata Peter Rubtzoff 1962-6-19 4923 Sonoma Occidental Marsh. Comment
  RSA94011  Gamochaeta ustulata Peter Rubtzoff 1951-6-30 293 Sonoma Pitkin Marsh, near Forestville; western branch of the Upper Marsh Comment
  CAS-BOT-BC182164  Garrya fremontii Walter Knight; Irja Knight 1963-12-27 466 Sonoma Summit, Pine Flat Rd. Comment
  CDA10855  Garrya fremontii G. F. Hrusa, G. L. Stebbins 1994-4-8 11731 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Shrub, 6 ft., w/ burl. Mayacmas Mts. Comment
  CDA11138  Garrya fremontii G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11549 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Comment
  UC727755  Garrya fremontii Milo S. Baker 1946-2-9 11263 Sonoma Hope Valley Kenwood Region (near Chamberlain Place) Comment
  UCD160881  Garrya fremontii James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3264 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
  CAS-BOT-BC278692  Gastridium phleoides Peter Rubtzoff 1952-6-3 1148 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  UCD66570  Gastridium phleoides A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3561 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC278690  Gastridium phleoides Peter Rubtzoff 1959-9-19 4280 Sonoma Vacation Beach, near Guerneville Comment
  HSC101100  Gastridium phleoides Peter Warner 2011-8-10 229 Sonoma Jenner Headlands property, Muniz Ranch Rd., about 0.5 mi. N from Hwy. 1 intersection. 55 Comment
  UC903724  Gastridium ventricosum Milo S. Baker 1947-5-7 11746 Sonoma sw slope Hood Mt. (above Baker Ranch); sw slope of Hood Mt. 213 Comment
  UCR248771  Gastridium ventricosum Peter Rubtzoff 1972-6-29 6798 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  UC1084424  Gentiana sceptrum G. Thomas Robbins 1938-6-23 268 Sonoma ca 10 mi w Santa Rosa (on Pitkin ranch, Vine Hill region); Vine Hill Comment
  SD56708  Geranium core-core Darley F. Howe 1963-8-1 3654 Sonoma 2.2 miles north of Jenner on #1 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
  SFV8504  Geranium dissectum P. Kuehn 1967-5-27 35 Sonoma Ignacio Road. 61 Comment
  UCD103360  Geranium dissectum Caitlin Lewis; William Mutch 1993-4-17 22 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
  UC424771  Geranium molle Milo S. Baker 1929-5-3 3602 a Sonoma Coleman Valley Comment
  SEINET3860395  Gilia achilleifolia subsp. achilleifolia George K. Helmkamp, E. A. Helmkamp 2010-6-4 16230 Sonoma North Coast Ranges: Mark West Springs Raod, 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east of Windsor.; 0 155 Comment
  UCD160142  Gilia capitata James A. Neilson Jr. 1973-6-7 3045 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 Comment
  CAS-BOT-BC225278  Gilia capitata subsp. chamissonis Peter Rubtzoff 1955-8-20 2071 Sonoma Bodega Harbor Marsh Comment
  CAS-BOT-BC225285  Gilia capitata subsp. chamissonis Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  CAS-BOT-BC225286  Gilia capitata subsp. chamissonis Alice Eastwood 1915-6-29 4824 Sonoma Bodega Point Comment
  POM65744  Gilia capitata subsp. chamissonis A. A. Heller, H. E. Brown 1902-5-27 s.n. Sonoma Bodega Bay. Comment
  RSA178597  Gilia capitata subsp. chamissonis Roxana S. Ferris 1932-5-27 8259 Sonoma Upper Bodega Bay Comment
  CAS-BOT-BC225467  Gilia millefoliata Alice Eastwood 1915-6-29 4825 Sonoma Bodega Point Comment
  UC1784202  Glebionis segetum Ethel Crum 1930-1 737 Sonoma Petaluma Comment
  CAS-BOT-BC303751  Glebionis segetum Walter & Irja Knight 1963-8-13 210 Sonoma 1.5 miles S Salmon Creek Comment
  CAS-BOT-BC227641  Glyceria Peter Rubtzoff 1964-6-24 5384 Sonoma Coleman Marsh. Comment
  UCD167339  Glyceria James A. Neilson Jr. 1983-5-9 4092 Sonoma Mayacmas Mountains. About 3 mi north of beginning of Geysers-Healdsberg Rd. (Location information obtained from Neilson 4091 which indicated milage is from the beginning of Geysers-Healdsberg Rd. Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET10817021  Glyceria P. Rubtzoff 1964-6-24 Rubtzoff 5379 Sonoma Coleman Marsh. Comment
  UCD166088  Glyceria declinata Peter Rubtzoff 1971-6-26 6573 Sonoma Willow Creek Marsh. Comment
  CDA2164  Glyceria declinata Farm Adv. 1969-5-22 Sonoma Mill Station Road, Sebastopol. 0 Comment
  CAS-BOT-BC282732  Glyceria elata Peter Rubtzoff 1960-5-22 4414 Sonoma Laguna de Santa Rosa area east of Graton between Occidental and Guwerneville Roads Comment
  UC1026485  Glyceria elata Peter Rubtzoff 1951-6-10 204 Sonoma near Forestville (Pitkin Marsh, s of the Upper Marsh); Pitkin Marsh Comment
  UCR282046  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5382 Sonoma Coleman Marsh 269 Comment
  RSA94606  Glyceria leptostachya Peter Rubtzoff 1952-5-31 1120 Sonoma Pitkin Marsh, near Forestville, northern half of Lower Marsh Comment
  UCR244672  Glyceria occidentalis Peter Rubtzoff 1964-5-30 5324 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa 24 Comment
  CAS-BOT-BC166684  Gnaphalium Peter Rubtzoff 1962-9-30 5103 Sonoma Vacation Beach, 2 miles below Guerneville. Comment
  CAS-BOT-BC166790  Gnaphalium palustre Peter Rubtzoff 1959-6-20 4164 Sonoma Willow Creek Marsh. Comment
  JEPS34012  Gnaphalium palustre Willis L. Jepson 1892-8-7 14749 Sonoma near Cloverdale (valley of the Russian River); Russian River Comment
  CAS-BOT-BC166782  Gnaphalium palustre Peter Rubtzoff 1969-10-29 6202 Sonoma River Road, 3 miles west of Fulton. Comment
  CAS-BOT-BC164664  Gnaphalium purpureum Peter Rubtzoff 1971-6-5 6519 Sonoma Intermittent lake off wst side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA800609  Gratiola Peter Rubtzoff 1969-6-14 6083 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  UCD158823  Grindelia James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2896 Sonoma northwest corner of Section 14, The Geysers. (Elevation estimated by label maker using Google Earth.) 472 Comment
  SEINET3840884  Grindelia acutifolia G. F. Hrusa, M. Gillogly 2000-7-26 15674 Sonoma Dry bed of Leslie Creek, .25 miles above confluence with Mark West Creek, USGS Quadrangle: Mark West Springs 7.5 150 Comment
  SEINET11845375  Grindelia camporum W. Knight, Knight, I.; Knight, T. 1985-1 6349 Sonoma Pine Flat Road, between Jimtown & geothermal area Comment
  CAS-BOT-BC305184  Grindelia hirsutula L. R. Abrams 1916-7-4 5784 Sonoma Road between Petrified Forest and Mark West Comment
  POM58296  Grindelia hirsutula Michener, Bioletti 1893-06 s.n. Sonoma Glen Ellen Comment
  UC468768  Grindelia hirsutula Harley P. Chandler 1900-5-25 695 Sonoma Bodega Bay Comment
  CAS-BOT-BC305193  Grindelia hirsutula Mary P. Wells 1982-7-5 s.n. Sonoma Salmon Beach Parking Lot Comment
  SD225730  Grindelia stricta var. angustifolia R. K. Brummitt 1997-6-10 19686 Sonoma 1 km S of Sereno Del Mar, just S of Schoolhouse Beach; below small headland, on rocks at top of sandy beach 0 Comment
  UC30652  Harmonia nutans F. T. Bioletti 1892-5-15 Sonoma Hood's Peak; ; Hood's Peak, Sonoma Co. Comment
  UC353800  Helenium bigelovii Milo S. Baker 1928-4-28 3001 b Sonoma Pitkin Swamp Comment
  CAS-BOT-BC262954  Helenium puberulum Peter Rubtzoff 1959-9-19 4286 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-BC262982  Helenium puberulum Peter Rubtzoff 1955-8-13 2043 Sonoma Duncans Mills Marsh, upper portion of the marsh. Comment
  CAS-BOT-BC309579  Helenium puberulum G. DeNevers 1981-5-30 1386 Sonoma Pepperwood Ranch. Shore of Pippindale Pond Comment
  POM54893  Helenium puberulum A. A. Heller 1902-7-1 5795 Sonoma Lagoon at Sebastopol Comment
  RSA800482  Helenium puberulum Peter Rubtzoff 1962-7-28 5003 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road. Comment
  CAS-BOT-BC314720  Helianthella californica var. californica C. F. Leitholt 1893-6-1 s.n. Sonoma Bennet Valley Comment
  CAS-BOT-BC305583  Helianthus bolanderi Walter Knight; Irja Knight 1968-1-1 2271 Sonoma Geysers Resort Comment
  OBI77851  Helianthus gracilentus David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-5 24503 Sonoma Along Cavedale Road ca. 1.5 miles from junction with Trinity Road, Mayacamus Mountains Comment
  UC578052  Helminthotheca echioides H. S. Yates 1935-10-3 5343 Sonoma Santa Rosa Santa Rosa Quad., Santa Rosa 53 Comment
  CAS-BOT-BC157674  Hemizonia Peter Rubtzoff; Nancy Harrison 1976-6-18 8640 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC262967  Hemizonia Peter Rubtzoff 1956-9-16 2927 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC257144  Hemizonia Peter Rubtzoff 1959-6-13 4115 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC257686  Hemizonia Peter Rubtzoff 1969-8-26 6161 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC257687  Hemizonia Peter Rubtzoff 1962-7-28 5009 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  RSA800070  Hemizonia Peter Rubtzoff 1971-9-30 6709 Sonoma Laguna, Chileno Valley. Comment
  UCD166113  Hemizonia Peter Rubtzoff 1972-5-21 6746 Sonoma Atascadero Creek Marsh and nearby slopes. Comment
  CAS-BOT-BC371471  Hemizonia congesta Greg de Nevers 1993-8-7 10483 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa near barn 400 Comment
  POM53599  Hemizonia congesta A. A. Heller 1902-6-4 5637 Sonoma Santa Rosa Comment
  UCD168063  Hemizonia congesta James Neilson 1981-8-21 4062 Sonoma Mayacmas Mountains. Healdsberg-Geysers Rd ca. 2 mi. from foothills. (Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA81671  Hemizonia congesta James I. McMurphy 1909-5-28 s.n. Sonoma 2 miles S of Fulton. Comment
  UC577147  Hemizonia congesta subsp. clevelandii Lewis S. Rose 1935-9-11 35622 Sonoma 2 mi n Healdsburg 39 Comment
  UCSC000757  Hemizonia congesta subsp. clevelandii M. Alice King October 1896 s.n. Sonoma near Healdsburg Comment
  CAS-BOT-BC306161  Hemizonia congesta subsp. clevelandii Walter Knight; Irja Knight 1963-9-25 119 Sonoma Blue Bell Lane, Coddingtown Comment
  SDSU4568  Hemizonia congesta subsp. clevelandii D. F. Howe 1962-7-28 3361 Sonoma Mark West Creek, 3.4 miles east of #101. Comment
  UC727137  Hemizonia congesta subsp. clevelandii A. A. Heller 1941-9-22 16320 Sonoma three mi e northern base ofMount St. Helena (on State Hwy #29) 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-BC306231  Hemizonia congesta subsp. congesta H. M. Hall 1931-5-26 13079 Sonoma Six miles northwest of Petaluma Comment
  UC193421  Hemizonia congesta subsp. congesta H. M. Hall 1916-7-23 10241 Sonoma 6 mi nw Petaluma Comment
  UCD132982  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-4-25 1037 Sonoma approximately 1/4 mile north of Arata Lane and between Hwy 101 and Old Redwood Highway. Comment
  UCD132987  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-7-1 1081 Sonoma 0.35 mile up Duvall Creek from the Bohemian Highway; on the south side of creek. Comment
  CAS-BOT-BC309668  Hemizonia congesta subsp. lutescens John I. Carlson 1917-7-23 s.n. Sonoma Preston Comment
  CAS-BOT-BC309670  Hemizonia congesta subsp. lutescens L. R. Abrams 1907-8-1 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC309672  Hemizonia congesta subsp. lutescens A. A. Heller 1902-8-20 6054 Sonoma At Sebastopol Comment
  CAS-BOT-BC309700  Hemizonia congesta subsp. lutescens L. R. Abrams 1907-8-1 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC309729  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-9 5746 Sonoma 1 mi. E. of Occidental Comment
  RSA794576  Hemizonia congesta subsp. lutescens Ann Howald 2011-8-30 2808 Sonoma eastern Petaluma Valley, Manor Lane, 0.5 mi. north of intersection with Old Adobe Rd. 75 Comment
  CAS-BOT-BC309702  Hemizonia congesta subsp. lutescens J. Clausen 1932-9-20 719 Sonoma South of Santa Rosa Comment
  JEPS116516  Hemizonia congesta subsp. lutescens Peter Warner 2009-6-3 102 Sonoma Poff Ranch, Wright Hill Road off State Hwy 1, in grassland 25 m S of main (west) gate 250 Comment
  UC295871  Hemizonia congesta subsp. lutescens H. M. Hall 1924-8-13 12101 Sonoma 4 km s Santa Rosa (along road to Petaluma) Comment
  UCD38976  Hemizonia congesta subsp. lutescens Beecher Crampton 1960-11-29 5809 Sonoma 4 miles southeast of Santa Rosa, Mantanzas Creek, 1/2 mile north of Benntett Valley Grange Hall. Comment
  OBI16224  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1966-7-17 9916 Sonoma Sausal crk N of Alexander Valley Comment
  SD124916  Hemizonia congesta subsp. luzulifolia L. F. LaPre 1986-7-29 Sonoma Socrates Mine, ca. 9 miles eastnortheast of Geyserville. 915 Comment
  UC1199371  Hemizonia congesta subsp. luzulifolia Joseph P. Tracy 1935-8-18 14744 Sonoma Knights Valley North Coast Ranges, Knights Valley 152 Comment
  RSA81626  Hemizonia lutescens James I. McMurphy 1909-8-9 710 Sonoma Hills between Sonoma and Petaluma. Comment
  SEINET11845321  Hemizonia multicaulis subsp. vernalis C. F. Quibell 1976-1 1369 Sonoma Marshall-Petaluma Rd Comment
  CAS-BOT-BC310213  Hesperevax sparsiflora var. sparsiflora John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54004 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCD111465  Hesperocnide tenella P. G. Connors 1995-6-2 342 Sonoma Bodega Head and Dunes. Comment
  HSC39061  Hesperocyparis macnabiana Gary S. Lester 1974-2-9 68 Sonoma Along Trinity Rd. 549 Comment
  UC1952124  Hesperolinon californicum Clint Kellner 2009-6-7 Sonoma Between approx. 2700 and 4500 ft West of Tolay Creek and approx. 7200 ft Westerly and a little North of Tolay Creek bridge beneath Hwy 121 91 Comment
  UC1212325  Hesperolinon clevelandii Helen K. Sharsmith 1947-5-30 3966 Sonoma s slope of mountain near Grant line; Inner North Coast Ranges, Hood Mountain 243 Comment
  UC66032  Hesperolinon spergulinum A. A. Heller 1902-6-24 5751 Sonoma near Santa Rosa Comment
  UCD110532  Hesperolinon spergulinum Helen K. Sharsmith 1952-7-23 4168 Sonoma 1.1 mile northeast of Skagg's Springs. 106 Comment
  SBBG7908  Heteranthemis viscidihirta E. D. Rowe -Jul-1940 Sonoma coast, Sonoma County [no specific locality] Comment
  UC688921  Heterotheca grandiflora Freed Hoffman 1943-12-1 Sonoma near Guerneville (Northwood); Russian River Comment
  CAS-BOT-BC311061  Heterotheca oregona var. oregona John Thomas Howell 1926-11-14 2252 Sonoma Between Rincon Valley and Santa Rosa Comment
  JEPS23929  Heuchera micrantha var. diversifolia Volney Rattan 1877-1 Sonoma Guerneville Comment
  CAS-BOT-BC424181  Heuchera micrantha var. erubescens Peter Rubtzoff 1954-6-5 1455 Sonoma S of Guerneville (Neely Hill area) Comment
  CAS-BOT-BC424431  Heuchera pilosissima Dorothy Scherer 1997-5-20 112 Sonoma SE of Kolmer Gulch and Hwy. One, Fort Ross State Historic Park 36 Comment
  RSA0063041  Heuchera pilosissima Herbert Thomas 1933-5-12 s.n. Sonoma Near Larkspur Rock. Comment
  CAS-BOT-BC55454  Hirschfeldia incana Mary P. Wells 1985-5-26 503 Sonoma By the coast Highway, north of mouth of Russian River. Comment
  SD134002  Hoita macrostachya Greg de Nevers, Buddy Goatcher 1987-6-30 8228 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, at spring 99 Comment
  POM252710  Hoita orbicularis A. A. Heller 1902-6-24 7548 Sonoma Near Burkes Sanitarium Comment
  NY11970  Hoita villosa A. A. Heller 1902-6-24 5761 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC280794  Holcus lanatus Peter Rubtzoff 1951-8-4 590 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  UCD81355  Holcus lanatus Frederica Bowcutt 1994-6-12 1852 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon along Pony Gate Trail along east west trending stretch before entering oak woodland, out of view of kiosk and campground. 420 Comment
  UCD84844  Holcus lanatus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3571 a Sonoma 9.1 miles northwest of Santa Rosa, open roadside, north facing slope. Comment
  UCD84981  Holcus lanatus H. S. Yates 1937-5-30 6538 Sonoma 1.5 miles NNE of Graton. 30 Comment
  CAS-BOT-BC280793  Holcus lanatus J. W. Congdon 1880-6-5 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC320404  Holocarpha virgata James I. McMurphy 1906-7-17 s.n. Sonoma Fulton Comment
  SDSU1671  Holocarpha virgata D. F. Howe 1965-8-3 4104 Sonoma 4.4 miles west of Santa Rosa. Comment
  SEINET11843924  Holocarpha virgata W. Knight, Knight, I. 1988-1 6340 Sonoma Kortum Canyon, at county line 351 Comment
  JEPS83481  Holodiscus discolor R. D. Stone 1985-5-29 672 Sonoma Cobb Mt.; ; upper Cobb Creek drainage ca. 1.1 mi. SW of Cobb Mt. summit 1066 Comment
  CAS-BOT-BC152389  Holodiscus discolor var. discolor Walter Knight; Irja Knight 1963-8-23 273 Sonoma Joost Ranch, Calistoga Rd., Santa Rosa Comment
  JEPS128301  Holodiscus dumosus var. cedrorum Roger Raiche 2010-6-11 019 .10 Sonoma The Cedars, across from Magazines. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS83654  Holodiscus dumosus var. cedrorum R. Raiche 1987-5-20 70194 Sonoma N of Cazadero, The Cedars, Big Austin Creek. drainage, near site of Layton Mine processing bldgs. Comment
Read comments
Sep 6 2011
  RSA144393  Hordeum brachyantherum subsp. californicum Roxana S. Ferris, Laura Lorraine 1961-6-14 13545 Sonoma Junction of Occidental Road with Facendini Lane Comment
  SEINET7067246  Hordeum brachyantherum subsp. californicum A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  UCD37350  Hordeum brachyantherum subsp. californicum Beecher Crampton 1959-6-16 5385 Sonoma 1 mile E of Occidental. Comment
  SEINET11690145  Hordeum marinum subsp. gussoneanum J. T. Howell, Knight, W.; Knight, I. 20 May 198? 6234 Sonoma Todd Road Preserve, corner Todd & Llamo Rds 24 Comment
  CAS-BOT-BC282023  Hordeum murinum subsp. leporinum David L. Morgan 1956-4-8 s.n. Sonoma 4 miles W of Sebastopol, at junction of Burnside and Gold Ridge Roads Comment
  RSA786874  Hordeum vulgare Carrie A. Herd 1982-5-15 113 Sonoma Rohnert Park, C.S.U, Sonoma, between dorm parking lot and bicycle path Comment
  CAS-BOT-BC273543  Hordeum vulgare David L. Morgan 1956-5-18 s.n. Sonoma On State Highway #12, 5.4 mi. S. of Santa Rosa city limits Comment
  UCD113401  Horkelia californica Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-24 055 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC536159  Horkelia californica var. elata W. W. Carruth 1900-7-1 s.n. Sonoma Russian River Comment
  JEPS78465  Horkelia tenuiloba Edward Lee 1936-6-7 Sonoma Near Highpoint (on the fire trail); Bohemiam Grove Comment
Read comments
Dec 10 2008
  UC1085322  Horkelia tenuiloba J. Powell 1957-5-25 Sonoma 4 mi w Plantation Comment
  SD88314  Hosackia gracilis Darley F. Howe 1972-5-4 Sonoma 6.0 miles east of Highway 1 on road to Annapolis. Comment
  SEINET957358  Hosackia gracilis S. Walker 1983-1 83 H-102 Sonoma In ditch beside road to Goat Rock. Comment
  SEINET957970  Hosackia oblongifolia L. S. Rose 1962-1 62062 Sonoma 1 mi. NW of Freestone. 76 Comment
  CDA34812  Humulus lupulus Peter Warner 2010-7-29 172 Sonoma State Hwy. 116, at 21.31 mile mark, ~2.53 km, E143 deg. S of Forestville, along W side of highway. Comment
  JEPS117115  Humulus lupulus Peter Warner 2010-7-29 172 Sonoma State Hwy. 116, at 21.31 mark, ~ 2.53 km, E 143 deg. S of Forestville, in marshy area along W side of highway. Comment
  UC70368  Hydrocotyle verticillata Milo S. Baker 1898-1 Sonoma near Santa Rosa Comment
  UCD110361  Hypericum concinnum E. Frost 1996-5-26 22 Sonoma Mt. St. Helena, 180 yards in along hiking trail. 609 Comment
  CAS-BOT-BC401324  Hypericum scouleri Peter Rubtzoff 1951-6-30 292 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC316718  Hypochaeris radicata Walter Knight; Irja Knight 1963-12-28 479 Sonoma Bodega Head 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
  SDSU11765  Iris douglasiana D. F. Howe 1963-5-23 3533 Sonoma 4.5 miles north of Cloverdale on #128. 366 Comment
  UCD138711  Iris douglasiana Marilyn J. Veron 1976-5-2 16 Sonoma 2.1 miles northeast of Bodega Bay on Bay Hill Road. Comment
  UCSB11204  Iris douglasiana Breedlove, Dennis 1961-12-31 Sonoma beside State Hwy 1; 3.9 mi N of Russian River Comment
  CAS-BOT-BC133676  Iris longipetala Peter Rubtzoff 1957-5-11 3339 Sonoma Occidental Marsh Comment
  CAS-BOT-BC133677  Iris longipetala Peter Rubtzoff 1958-5-3 3625 Sonoma Atascadero Creek Marsh Comment
  UCSB890  Iris macrosiphon Keator, Glenn 1959-4-2 Sonoma 1.2 miles east; on Cavedale road and 2.3 miles from Agua Caliente Comment
  RSA152560  Iris missouriensis H. N. Metcalf 1962-5-6 s.n. Sonoma West of Two Rock on Two Rock - Fallon Road Comment
  UC725363  Iris purdyi A. A. Heller 1940-5-10 15611 Sonoma w of Skagg's Springs (on the road to Stewart Point) Comment
  UCD166077  Isoetes Peter Rubtzoff 1971-6-5 6514 Sonoma Dry bed of vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC61926  Isoetes nuttallii Peter Rubtzoff 1951-6-7 138 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC112411  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh, near Forestville: Uppermost part of the western branch of the Upper Marsh. Comment
  SEINET7589075 Image available Isolepis carinata John Thomas Howell 1937-6-6 13027 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC112571  Isolepis cernua Peter Rubtzoff 1954-8-10 1670 Sonoma Bodega Head Marsh. Comment
  CHSC42880  Isolepis cernua Mary M. Hektner 1975-8-14 229 Sonoma Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  POM180614  Isolepis cernua J. T. Howell 1930-6-8 5276 Sonoma Salt marsh at north end of Bodega Bay. Comment
  UCD159763  Juncus James A. Neilson Jr. 1975-1-24 3165 Sonoma Mayacmas Mountains; Alder Creek drainage; Reservoir #2, Dominichelli Ranch. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  SEINET3814460  Juncus bolanderi Marcus E. Jones 1882-7-17 3523 Sonoma Duncan's Mills Comment
  CDA18031  Juncus bolanderi R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena Spring. NW side. 0 Comment
  UCD141367  Juncus bufonius Frederica Bowcutt 1984-6-23 431 a Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along Sonoma County Coast. Immed. SW of park entrance, W of Hwy 1 and NW of Gerstle Cove along park road. 30 Comment
  UCD141376  Juncus bufonius Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-21 50 A Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD141358  Juncus bufonius J. Adams; J. Weick, Bot. 102 1993-5-8 281 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Comment
  UCR222350  Juncus bufonius var. bufonius George K. Helmkamp, E. A. Helmkamp 2010-6-4 16234 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 9.8 rd. miles east of its junction with US-101, 4.5 air miles SW (250 deg. ) of Calistoga 280 Comment
  CAS-BOT-BC164382  Juncus effusus Peter Rubtzoff 1968-7-13 5920 Sonoma Sonoma: upper Salmon Creek Marsh Comment
  RSA785889  Juncus effusus Peter Rubtzoff 1964-7-29 5454 Sonoma Duncans Mill Marsh. Comment
  SD262153  Juncus effusus var. pacificus Peter Rubtzoff 1959-6-20 4177 Sonoma Willow Creek Marsh (Duncan Hills 7.5'Q) 9 Comment
  UCR248764  Juncus lescurii Peter Rubtzoff 1954-8-9 1663 Sonoma Bodega Head Marsh 2 Comment
  UC1026488  Juncus occidentalis Peter Rubtzoff 1952-5-31 1097 Sonoma near Forestville (e branch of Upper Marsh); Pitkin Marsh, Upper Marsh Comment
  UCR130525  Juncus patens Don Pendleton 1993-5-29 s.n. Sonoma North Coast Ranges, 5297 Westside Rd, Russian River Valley, c. 5 mi SW of Healdsburg 46 Comment
  UCD35508  Juncus patens Beecher Crampton 1957-7-22 4389 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  CAS-BOT-BC173520  Juncus phaeocephalus Peter Rubtzoff; Nancy Harrison 1978-6-11 9204 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley Comment
  RSA94072  Juncus phaeocephalus var. phaeocephalus J. T. Howell 1947-6-26 23300 Sonoma Cunningham Marsh. Comment
  UCD158736  Juncus tenuis James A. Neilson Jr. 1974-7-25 3049 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. 792 Comment
  UC1238931  Keckiella corymbosa Freed W. Hoffman 1946-8-14 588 Sonoma East Austin Creek; North Coast Ranges, Rocky Mountain Comment
  UC1132153  Koeleria macrantha H. S. Yates 1937-5-3 6561 Sonoma 1 1/2 mi wnw Mark West Springs; Calistoga Quadrangle Comment
  CAS-BOT-BC273791  Koeleria pyramidata Peter Rubtzoff 1952-6-11 1250 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC340483  Lactuca saligna Leonore Bravo 1982-9-12 s.n. Sonoma Guerneville (on road to Armstrong Grove) Comment
  UC790934  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mi N of Steward Pt Comment
  CAS-BOT-BC486691  Lamiaceae Peter Rubtzoff 1974-5-25 7452 Sonoma Upper Green Valley Marsh Comment
  POM230561  Lamium amplexicaule J. T. Howell 1937-4-11 12910 Sonoma M.S. Baker s place near Kenwood. Comment
  JEPS27654  Lamium purpureum Wayne Roderick 1962-3-20 Sonoma near Sebastopol Comment
  UCD124932  Lamium purpureum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 61 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 195 Comment
  JEPS86319  Lasthenia burkei Jack and Betty Guggolz 1988-4-17 916 Sonoma about 400 m n Occidental Road (and 200 m w of Fulton Road) Comment
  UC1594206  Lasthenia burkei L. Huntington 1990-5-4 256 Sonoma n side of Laguna de Santa Rosa; Sebastapol 18 Comment
  RSA784685  Lasthenia burkei Mark Elvin 1997-5-7 397 Sonoma Windsor, E of Starr Rd 1/3 mi S of old Redwood Hwy 10 Comment
  CAS-BOT-BC324405  Lasthenia californica subsp. macrantha J. Clausen 1935-5-24 1092 Sonoma 6.2 miles south of Jenner Comment
  CAS-BOT-BC324410  Lasthenia californica subsp. macrantha J. Clausen 1935-5-24 1092 Sonoma 6.2 miles south of Jenner Comment
  JEPS104665  Lasthenia conjugens Sarah Lynch and Geoff Monk 2003-5-1 Sonoma Martinelli Ranch off Stage Gulch Road at Petaluma Road, Petuluma 85 Comment
  CAS-BOT-BC355524  Lasthenia glaberrima Peter Rubtzoff 1958-5-10 3654 Sonoma Laguna de Santa Rosa north of Cunningham (near Todd Road) Comment
  CAS-BOT-BC355534  Lasthenia glaberrima Peter Rubtzoff 1961-5-24 4602 Sonoma Upper Stemple Creek Marsh Comment
  UC828906  Lasthenia glaberrima Leo Koch 1939-4-23 604 Sonoma along Game Refuge Road off Petaluma Hill Road Comment
  CAS-BOT-BC352789  Lasthenia glabrata subsp. glabrata John Thomas Howell 1933-4-1 10925 Sonoma Petaluma Comment
  POM253184  Lasthenia macrantha subsp. bakeri A. A. Heller 1938-5-14 s.n. Sonoma East of Bodega Bay Comment
  RSA32853  Lasthenia macrantha subsp. bakeri A. A. Heller 1938-5-14 s.n. Sonoma East of Bodega Bay Comment
  CAS-BOT-BC370853  Lasthenia minor John Thomas Howell 1931-4-18 6420 Sonoma mouth of Salmon Creek, 2 miles n. of Bay Comment
  SD112563  Lasthenia minor subsp. maritima Darley F. Howe 1966-6-2 4259 Sonoma Coast,4.0 miles north of Bodega Bay on Highway 1. Comment
  UCD165004  Lathyrus Peter Rubtzoff 1974-9-7 7886 Sonoma Hinebaugh Creek, Rohnert Park. Comment
  UCD166069  Lathyrus Peter Rubtzoff 1971-5-30 6467 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  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
  RSA0060103  Lathyrus sphaericus Greg de Nevers 1993-4-26 10404 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Road by Mountain House entrance. 100 Comment
  HSC100959  Lathyrus torreyi Peter Warner, Sarah Gordon 2011-5-16 198 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), Fern Trail along lower to mid-Mill Creek. 273 Comment
  UCD106537  Lathyrus vestitus var. ochropetalus Mary M. Hektner 1975-6-2 193 Sonoma Coastal prairie; along path to beach, below parking lot on Pipers Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD151309  Lathyrus vestitus var. vestitus James A. Neilson Jr. 1974-4-30 2722 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
  UCR244753  Layia Peter Rubtzoff 1966-5-29 5730 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Rd. 29 Comment
  HSC82080  Layia chrysanthemoides Thomas W. Nelson, Jane P. Nelson 1980-5-3 5125 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  CAS-BOT-BC379621  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 miles south of Jenner Comment
  UC584226  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 mi s Jenner Comment
  UCD133977  Layia platyglossa Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 36 Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. Comment
  RSA71060  Ledum glandulosum subsp. columbianum L. S. Rose 1951-6-7 51015 Sonoma Pitkin Marsh, 5 miles N of Sebastopol. Comment
  CAS-BOT-BC274358  Leersia oryzoides John Thomas Howell 1946-8-17 22880 Sonoma The Laguna just east of Sebastopol Comment
  RSA785666  Lemna Peter Rubtzoff 1965-10-10 5653 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC154134  Lemna gibba Peter Rubtzoff 1965-11-9 5666 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC534366  Lemna minor Greg de Nevers 1995-4-5 10712 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC534367  Lemna minor Greg de Nevers 1992-6-16 10164 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  UCR255528  Lemna minor Peter Rubtzoff 1958-7-19 3781 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  SEINET11768003  Lemna minor Unknown 1940-1 1011 Sonoma behind Fountaingrove Vineyard 3 mi N of Santa Rosa along Hwy 101 Comment
  UCR256958  Lemna valdiviana Peter Rubtzoff 1958-8-23 3899 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  CAS-BOT-BC534883  Lemna valdiviana Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5847 Sonoma Llano Road near sewage disiposal plant near bridge on water of Laguna de Santa Rosa Comment
  UC1784119  Lepechinia calycina Ethel Crum 1930-7-13 815 Sonoma Mt. St. Helena, S shoulder Comment
  CAS-BOT-BC89150  Lepidium didymum Walter Knight; Irja Knight 1963-8-13 173 Sonoma Horseshoe Cove. Comment
  CAS-BOT-BC12658  Lepidium nitidum A. A. Heller; H. E. Brown 1902-3-12 5048 Sonoma Sonoma Creek, eastern base of Mount Hood. Comment
  CAS-BOT-BC12760  Lepidium oxycarpum John Thomas Howell 1933-4-1 10924 Sonoma Petaluma. Comment
  UCD158801  Leptosiphon androsaceus James A. Neilson Jr. 1969-4-16 2869 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  RSA6406  Leptosiphon androsaceus Jens Clausen 1933-3-25 733 Sonoma Santa Rosa Creek. 183 Comment
  SEINET14160629  Leptosiphon androsaceus H. S. Yates 1934-1 3847 Sonoma 2 miles south of Mark West. Comment
  RSA79052  Leptosiphon bicolor E. K. Balls, Lee W. Lenz 1952-5-8 17111 Sonoma 4.4 mi NW from Mark West Springs on road to Kellogg 107 Comment
  CAS-BOT-BC226704  Leptosiphon jepsonii Herbert L. Mason 1928-4-13 4339 Sonoma Reibli School Comment
  UC23774  Leptosiphon parviflorus W. H. Brewer 1862-4-17 983 Sonoma Sonoma Comment
  SBBG115929  Leptosiphon parviflorus J. Adams, J. Weick 1993-5-8 253 Sonoma ca. 11 air mi E of Santa Rosa;, ca. 2.5 air mi NE of Kenwood. In Adobe Cyn, N of Sugarloaf Ridge and 1 mi S of Red Mt; T7N R7W NE 1/4 of SW 1/4 S22 Comment
  JEPS20586  Lessingia ramulosa Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  CAS-BOT-BC342001  Lessingia ramulosa John Thomas Howell No date on label 2250 Sonoma SE. of Santa Rosa Comment
  RSA0057953  Leucanthemum vulgare Greg de Nevers 1998-5-20 11253 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mouth of Kalfenatchi's(?) driveway. 100 Comment
  SEINET11688817  Leymus californicus F. H. Utech 1988-1 88 -211 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 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-BC451695  Lilaea scilloides Peter Rubtzoff 1972-6-11 6775 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC451696  Lilaea scilloides Peter Rubtzoff 1961-5-24 4605 Sonoma Upper Stemple Creek Marsh. Comment
  CAS-BOT-BC451697  Lilaea scilloides Peter Rubtzoff 1955-4-23 1785 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC451709  Lilaea scilloides Peter Rubtzoff 1955-5-7 1815 Sonoma Ross Marsh. Comment
  RSA63113  Limnanthes alba L. S. Rose 1951-5-17 51007 Sonoma Hills west of Agua Caliente. 91 Comment
  CHSC22062  Limnanthes douglasii Robert A. Schlising 1962-3-31 2109 Sonoma Coast Ranges. Field. Comment
  UCD116502  Limnanthes douglasii Lewis S. Rose 1965-4-4 65020 Sonoma Sonoma County. 24 Comment
  RSA51321  Limnanthes douglasii Peter H. Raven 1980-4-6 s.n. Sonoma Vernal flats, Cotati to Santa Rosa. 30 Comment
  SEINET6205134  Limnanthes douglasii L. S. Rose 1965-1 65020 Sonoma Sonoma Comment
  POM126412  Limnanthes douglasii subsp. douglasii I. J. Condit 1913-3-7 s.n. Sonoma Petaluma Comment
  UC75635  Limnanthes douglasii subsp. douglasii Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  UC971870  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-3-14 1123 Sonoma 0.3 mi n El Verano School (open field w side of road) Comment
  UC73451  Limnanthes douglasii subsp. douglasii Milo S. Baker Apr. 1899 Sonoma Santa Rosa to Stony Point (roadside) Comment
  JEPS73358  Limnanthes douglasii subsp. nivea Edward Lee 1934-4-30 748 Sonoma 1 mi w Two Rock Junction Comment
  UC635629  Limnanthes douglasii subsp. nivea H. L. Mason 1928-4-8 4299 Sonoma near Sebastopol Comment
  UC796464  Limnanthes douglasii subsp. nivea Ira L. Wiggins 1949-4-30 12064 Sonoma four mi w Calistoga Comment
  SEINET5556953  Limnanthes douglasii var. nivea H. S. Gentry 1962-1 19701 Sonoma Oakville. Comment
  UCD116447  Limnanthes douglasii var. nivea Robert F. Thorne 1965-4-19 34274 a Sonoma wet field on Titus Ranch, Valley Ford. 18 Comment
  CAS-BOT-BC45945  Limnanthes vinculans Peter Rubtzoff 1958-5-10 3643 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Road). Comment
  JEPS102969  Limnanthes vinculans Ann Howald 1994-4-19 1809 Sonoma Knights Valley, Bavarian Lion Ranch Comment
  RSA800897  Limosella acaulis Peter Rubtzoff 1970-9-16 6220 Sonoma 5 miles north of Sears Point. Comment
  UC30163  Linanthus dichotomus W. H. Brewer 1862-4-18 969 Sonoma near Sonoma Comment
  UCR143494  Linanthus latisectus David D. Keck 1931-4-4 1100 Sonoma Santa Rosa Creek Canyon, eastern part of the county 225 Comment
  RSA800891  Lindernia dubia Peter Rubtzoff 2013-2-15 8357 Sonoma Bennet Mountain Lake, northern lakeshore. Comment
  CHSC114678  Linum trigynum Peter Warner 2010-5-16 167 Sonoma Jenner Headlands, Knoll Field, 203m, s244 deg. W of residence house, on S-facing slope of knoll in coastal grassland. UTM 10S: 489308E, 4256990N 230 Comment
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May 27 2016
  CHSC20702  Lithocarpus densiflorus Robert A. Schlising; Lloyd Thurman 1962-6-15 2311 Sonoma Skaggs Springs Road, 12 mi W Jct with Dutcher Creek Road. Comment
  RSA476678  Lithocarpus densiflorus var. densiflorus Christopher Davidson 1977-6-17 5874 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  CAS-BOT-BC437151  Lithophragma heterophyllum Mrs. Clara Hunt 1921-4-1 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC283286  Lolium multiflorum Peter Rubtzoff 1951-7-21 488 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh, near the highway Comment
  CAS-BOT-BC283287  Lolium multiflorum Peter Rubtzoff 1951-7-7 373 Sonoma Pitkin Marsh, near Forestville. E branch of the Upper Marsh Comment
  UC573668  Lolium multiflorum H. S. Yates 1937-5-30 6552 Sonoma 1 1/2 mi e Occidental; Sebastopol Quad. Comment
  CAS-BOT-BC283285  Lolium multiflorum John H. Thomas 1976-6-16 18344 Sonoma S part of Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  UCD167360  Lomatium californicum James Neilson 1981-5-28 4036 Sonoma Mayacmas Mountains. The Geysers. Vicinity of PG and E lookout. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC368074  Lomatium caruifolium Greg de Nevers 1998-6-10 11275 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  UCR255668  Lomatium caruifolium Greg de Nevers 1998-6-10 11275 Sonoma North Coast Range, Modini Mayacamas Preserves; Pine Flat Road, near end of town of Pine Flat 91 Comment
  SBBG26774  Lomatium caruifolium L. Constance, R. C. Rollins 1942-5-10 Sonoma 4 mi N of Geyserville 60 Comment
  UC1348892  Lomatium dasycarpum subsp. dasycarpum Robert F. Thorne 1965-4-20 34372 Sonoma ca. 6 mi. n. Sonoma (ca. 4 mi. up Cavedale Rd.) 411 Comment
  JEPS89885  Lomatium utriculatum Dean William Taylor 1973-2-19 2063 Sonoma along Bohemian Rd. near Camp Meeker 152 Comment
  UC1714578  Lomatium utriculatum J. Burtt Davy 1896-3-15 1668 Sonoma near Cazadero Comment
  CAS-BOT-BC240650  Lonicera hispidula Alice Eastwood 1915-6-5 4565 Sonoma Petrified Forest Comment
  CAS-BOT-BC240652  Lonicera hispidula G. DeNevers 1981-6-15 1537 Sonoma Pepperwood Ranch. Below the Rogers Apple Orchard Comment
  RSA0020334  Lotus Peter Rubtzoff 1971-5-8 6452 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  UC424790  Lotus aboriginus unknown Apr 1930 4846 b Sonoma near Plantation Comment
  RSA115453  Lotus angustissimus Beecher Crampton 1955-6-17 2967 Sonoma Fort Ross Comment
  POM18310  Lotus benthamii A. A. Heller 1903-4-25 7458 Sonoma Fort Ross Comment
  UC81130  Lotus humistratus Michener and Bioletti 1892-5-15 64 a Sonoma Hoods Peak Comment
  RSA177971  Lotus micranthus Robert F. Thorne 1965-4-20 34349 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  UC454673  Lotus oblongifolius var. oblongifolius I. J. Condit 1908-8-14 Sonoma Sebastopol Comment
  UC726745  Lotus purshianus var. purshianus A. A. Heller 1941-8-8 16278 Sonoma w of Petrified Forest Comment
  POM18957  Lotus unifoliolatus A. A. Heller 1902-8-18 7453 Sonoma Santa Rosa. Comment
  RSA31784  Lotus unifoliolatus A. A. Heller 1938-8-11 15321 Sonoma Knights Valley Comment
  UC15702  Lotus wrangelianus Harley P. Chandler 1900-5-25 719 Sonoma Bodega Bay Comment
  UCR255053  Lotus wrangelianus Greg de Nevers 1992-5-2 10138 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 305 Comment
  CAS-BOT-BC249321  Ludwigia Peter Rubtzoff 1973-8-27 7273 Sonoma Upper Green Valley Marsh area. Comment
  RSA0034027  Ludwigia Peter Rubtzoff 1987-9-27 9853 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  UCD65848  Ludwigia hexapetala B. J. Grewell 2006-8-23 06- 49 -LU Sonoma Russian River watershed, Russian River at Washington School Road summer water crossing, Asti. Collection downstream of low water bridge, east bank. 69 Comment
  UCD66026  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 51 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UCD66029  Ludwigia hexapetala B. J. Grewell 2006-11-17 06- 96 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Blucher Creek confluence, CA-Dept Fish and Game's Laguna Wildlife Area, downstream of Todd Rd Bridge s. of Sebastopol. 22 Comment
  UCD78331  Ludwigia hexapetala B. J. Grewell 2005-11-21 05- 45 -LU Sonoma Local tributary to Mark West Creek, n. side River Road, Santa Rosa across rd. from Martinelli Winery. Within Laguna de Santa Rosa sub-basin of the Russian River Watershed. 28 Comment
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Aug 10 2011
  CAS-BOT-BC251189  Ludwigia palustris Peter Rubtzoff 1956-9-15 2910 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC251206  Ludwigia palustris Peter Rubtzoff 1955-7-31 2008 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC258924  Ludwigia palustris Peter Rubtzoff 1958-7-19 3758 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC261647  Ludwigia palustris Peter Rubtzoff 1961-9-6 4738 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  RSA800129  Ludwigia palustris var. pacifica Peter Rubtzoff 1954-6-7 1486 Sonoma Guerneville Marsh Comment
  UCD105742  Lupinus affinis John Thomas Howell 1976-4-26 51596 Sonoma hills east of Geyserville on road to Geysers. Comment
  HSC14956  Lupinus albifrons S. N. Wiemeyer 1962-4-13 11 Sonoma 2.1 mi. N of jct. of Calistoga and Hwy. 12 274 Comment
  CAS-BOT-BC195973  Lupinus albifrons var. albifrons Milo S. Baker 1934-1-1 9481 Sonoma Cunningham Marsh Comment
  SD130430  Lupinus albifrons var. albifrons F. Almeda, G. DeNevers 1981-4-28 4912 Sonoma Pepperwood Ranch: vicinity of the Bechtel cabin in and about serpentine chaparral. Comment
  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
  HSC14798  Lupinus bicolor R. Spellenberg, D. Sutherland, , A. Sylvester 1966-3-26 1338 Sonoma 7 mi. W of Big Geysers along Sulphur Creek Rd. Comment
  UCR248903  Lupinus bicolor Peter Rubtzoff 1969-5-11 6043 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  CDA27407  Lupinus bicolor G. D. Barbe, T. C. Fuller 1985-3-28 4197 Sonoma 6560 Sonoma Mountain Road, south of Santa Rosa. Comment
  CAS-BOT-BC187859  Lupinus chamissonis Alice Eastwood; John Thomas Howell 1939-4-2 7375 Sonoma Russian River Canyon, near Monte Rio Comment
  RSA167470  Lupinus densiflorus var. densiflorus Joseph P. Tracy 1933-5-1 12129 Sonoma Along Mayacama Creek, below Knights Valley. Comment
  RSA34035  Lupinus densiflorus var. palustris A. A. Heller 1938-5-14 15091 Sonoma Near Two Rocks. Comment
  CAS-BOT-BC8358  Lupinus formosus subsp. formosus Amos Arthur Heller 1940-4-22 15546 Sonoma Alexander Valley (label reads Anderson Valley; annotation corrects this to Alexander Valley) Comment
  SEINET10936597  Lupinus latifolius subsp. latifolius Joseph W. Congdon 1880-4-12 Congdon s.n. Sonoma Santa rosa rd. Comment
  UC130321  Lupinus latifolius var. latifolius Miss Alice King Apr. 1897 Sonoma Healdsburg Comment
  SEINET6655062  Lupinus micranthus John A. Churchill 1974-4-28 7442830 Sonoma Mark West Springs; along road 2 miles above villa on west slope of Rincon Ridge.; 0 Comment
  UC201918  Lupinus microcarpus var. microcarpus Milo S. Baker Sonoma Dillon's Beach Comment
  SD88509  Lupinus microcarpus var. microcarpus Darley F. Howe 1972-6-28 Sonoma North of Jenner Comment
  CHSC23152  Lupinus nanus Robert A. Schlising 1962-3-31 2120 Sonoma California Coast Range. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  SEINET7063004 Image available Lupinus nanus A. G. Vestal 1955-5-8 s.n. Sonoma South of Bennett Mountain. UTM Zone 10, 532837mE, 4251642mN. (WGS84/NAD83). 573 Comment
  UC1197270  Lupinus nanus Joseph P. Tracy 1933-5-1 12130 Sonoma below Knight's Valley along Mayacama Creek; along Maycama Creek below Knight's Valley 152 Comment
  UC65701  Lupinus nanus A. A. Heller 1902-4-9 5233 Sonoma Healdsburg Comment
  UCR248939  Lupinus nanus subsp. nanus Peter Rubtzoff 1974-5-18 7411 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  CDA9233  Lupinus polyphyllus var. polyphyllus D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  UC16007  Lupinus polyphyllus var. polyphyllus F. T. Bioletti 1892-1 Sonoma Comment
  UCD109576  Lupinus stiversii A. S. Crafts 1935-5-15 s.n. Sonoma Exact location unknown. Comment
  HSC34850  Lupinus succulentus Thomas W. Nelson 1975-5-8 1811 Sonoma Beside Hwy. 101 just S of Ash Creek near the Mendocino-Sonoma Co. line Comment
  SEINET11162204  Lupinus tidestromii W. S. Cooper Sonoma Comment
  POM231113  Lupinus variicolor Jens Clausen 1935-5-24 1089 Sonoma 5.1 mi. S of Jenner on the Bodega road. Comment
  UC683337  Lupinus variicolor Mrs. H. P. Bracelin 1931-5-9 341 Sonoma beyond Dundee R.R. station and Molino nursery about one mi w Sebastopol Comment
  CDA12825  Luzula comosa G. F. Hrusa, R. Gross 1996-3-8 12658 Sonoma North Coast Biodiversity Arena; Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  CAS-BOT-BC436741  Luzula comosa var. comosa John Thomas Howell 1937-6-6 13033 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC441392  Luzula subsessilis Peter Rubtzoff 1953-5-17 1373 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC166731  Madia Peter Rubtzoff 1964-5-31 s.n. Sonoma Along Russian River at Fitch Mtn. Grove, 2 miles east of Healdsburg. Comment
  CAS-BOT-BC173556  Madia Peter Rubtzoff 1975-8-28 8361 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC344045  Madia elegans James I. McMurphy 1909-8-10 716 Sonoma West Santa Rosa Comment
  JEPS12584  Madia elegans Eleanor Armstrong June 1932 509 Sonoma hill below St. Dorothy's (near Camp Meeker) 121 Comment
  CDA8246  Madia elegans subsp. vernalis M. K. Bellue 1943-5-14 Sonoma Road into Donahue. 0 Comment
  CAS-BOT-BC343468  Madia gracilis D. E. Breedlove 1983-5-4 58701 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC343470  Madia gracilis Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 6 miles east of Stewarts Point Comment
  SEINET3148102  Madia gracilis L. S. Rose 1940-5-22 40370 Sonoma Sonoma 30 Comment
  CAS-BOT-BC343472  Madia gracilis Catherine Best 1984-4-22 927 Sonoma Buena Vista Winery south of Sonoma Comment
  UCR222554  Madia madioides George K. Helmkamp, E. A. Helmkamp 2010-6-5 16244 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-BC345224  Madia sativa David D. Keck 1933-11-6 2645 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  CAS-BOT-BC345262  Madia sativa David D. Keck; J. Clausen 1935-6-15 3365 a Sonoma 1 mi. N. of Salmon Creek Comment
  SEINET12052827  Maianthemum racemosum subsp. amplexicaule F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -55 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  SEINET12051382  Maianthemum racemosum subsp. amplexicaule F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -271 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  JEPS112784  Malacothrix floccifera Dean W. Taylor 1994-5-4 14223 Sonoma ca. 1.8 mi N of Camp Meeker along Bohemian Highway; Dutch Bill Creek drainage just downstream from confluence with Duvol Creek 76 Comment
  UCD41239  Marah fabacea Ray Hoffman 1976-5-31 23 Sonoma 0.2 miles south on Freezeout Road, 0.3 miles south of junction of State Hwy 116 and Moscow Road. Comment
  HSC27363  Matricaria chamomilla J. P. Smith 1973-3-4 5844 Sonoma Near Geyserville 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
  CAS-BOT-BC271126  Melica aristata L. S. Smith 1925-6-9 49340 Sonoma In 1924 burn top of hill est of Bloom, Tahoe Forest 1219 Comment
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May 7 2019
  UCD87313  Melica geyeri Virginia Bufford 1937-5-10 453 Sonoma Top of O'farrell Hill -- West of Sebastopol. Comment
  SACT001511  Melica geyeri M. Wiesendanger 1927-5-5 Sonoma Comment
  CAS-BOT-BC281391  Melica harfordii H. S. Yates 1936-5-16 5612 Sonoma 1 mile NW of Mountain View Comment
  UCD87389  Melica harfordii Beecher Crampton 1955-6-17 2941 Sonoma 4.5 miles S of Cazadero. Comment
  UCD87521  Melica harfordii P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis Road. Comment
  CAS-BOT-BC262555  Melica torreyana G. DeNevers 1981-4-27 883 Sonoma Pepperwood Ranch. On the ridge NW of the Garrison House Comment
  CAS-BOT-BC262556  Melica torreyana Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy 3 miles north of Occidental Comment
  CAS-BOT-BC262557  Melica torreyana Alice Eastwood 1922-5-4 11247 Sonoma Calistoga Comment
  CAS-BOT-BC262563  Melica torreyana A. A. Heller 1902-3-17 5084 Sonoma Hills near Santa Rosa Comment
  POM118379  Melica torreyana Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  POM204779  Melica torreyana A. A. Heller 1902-3-27 5160 Sonoma Western base of Mt. Hood. Comment
  UCD88826  Melica torreyana Virginia Bufford 1936-5-19 295 Sonoma Moss Cottage -- Los Guillicos Valley. Comment
  UCD89206  Melica torreyana R. Tofsrud 1942-4-1 299 Sonoma Wooded hill between S.R. and County farm. Comment
  UCD81449  Melilotus indicus M. Wiesendanger 1927-5-5 717 Sonoma Sonoma. Comment
  UC25359  Melissa officinalis J. Burtt Davy 1896-7-29 4146 Sonoma near Guerneville Comment
  UCR19128  Melissa officinalis John C. Roos 1948-4-28 3958 Sonoma North Coast Ranges, Healdsburg, Mill Creek - Barrell Spring Comment
  UCR279859  Melissa officinalis Peter Rubtzoff 1965-9-5 5639 Sonoma North Coast Ranges, Forest Hills, 5.5 miles east of Guerneville 9 Comment
  CAS-BOT-BC164353  Mentha Peter Rubtzoff 1960-9-17 4564 Sonoma Laguna de Santa Rosa area NE of Graton (near Laguna Road). Comment
  CAS-BOT-BC166970  Mentha Peter Rubtzoff 1962-10-9 s.n. Sonoma Brooks Gulch Marsh. Comment
  UCD148382  Mentha Peter Rubtzoff 1955-8-28 2113 Sonoma Guerneville region. Vacation Beach, near Guerneville; Russian River. Comment
  UCR244669  Mentha Peter Rubtzoff 1960-9-17 4567 Sonoma Laguna de Santa Rosa near Trenton [Rd.] (south of Woolsey Road) Comment
  CAS-BOT-BC164365  Mentha Peter Rubtzoff 1956-9-15 2899 Sonoma Atascadero Creek Marsh. Comment
  RSA785671  Mentha Peter Rubtzoff 1960-9-17 4571 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  UCD163793  Mentha aquatica Peter Rubtzoff 1962-10-9 s.n. Sonoma Brooks Gulch Marsh. Comment
  POM63046  Mentha arvensis var. villosa A. A. Heller 1902-6-27 5787 Sonoma West of Windsor near Russian river. Comment
  RSA785664  Mentha pulegium Peter Rubtzoff 1955-9-24 2157 Sonoma Guerneville Marsh. Comment
  UC1124520  Mentha pulegium H. S. Yates 1937-8-22 6866 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  CAS-BOT-BC164091  Mentha pulegium Peter Rubtzoff 1962-8-22 5034 Sonoma Bodega Bay Marsh. Comment
  SEINET12330323  Mentha pulegium W. Knight, Knight, I. 1984-1 5429 Sonoma Willow Creek Road 61 Comment
  UCR255872  Mentha spicata Greg de Nevers 1992-6-26 10184 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 91 Comment
  CAS-BOT-BC164691  Mentha spicata Peter Rubtzoff 1973-9-9 7316 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC166968  Mentha spicata Peter Rubtzoff 1973-9-9 7315 Sonoma Kenwood Marsh. Comment
  RSA785144  Mentha spicata Peter Rubtzoff 1973-8-28 7275 Sonoma Upper Green Valley Marsh. Comment
  RSA785146  Mentha spicata Peter Rubtzoff 1973-9-9 7316 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC182772  Mentzelia laevicaulis Peter Rubtzoff 1958-9-7 s.n. Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  CAS-BOT-BC429003  Micranthes fragosa Milo S. Baker 1928-3-1 2737 e Sonoma Golf Club Links Comment
  CAS-BOT-BC429004  Micranthes fragosa Milo S. Baker 1927-3-1 2737 d Sonoma Golf Club Links. Comment
  UC673613  Micropus amphibolus Herbert L. Mason 1934-4-28 8081 Sonoma four mi w Healdsburg (head of Dohrman Creek); Jensen's Ranch 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-BC348630  Micropus californicus var. californicus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54003 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-BC348632  Micropus californicus var. californicus L. R. Abrams 1918-4-27 6902 Sonoma Independence School near Healdsburg Comment
  CAS-BOT-BC348622  Micropus californicus var. californicus H. L. Mason 1934-4-28 8090 Sonoma Jensen's Ranch (near orchard), Dohrmann Creek Comment
  CAS-BOT-BC348734  Microseris bigelovii Francia Chisaki; Peter Kamb 1952-6-21 2304 Sonoma Fort Ross Comment
  POM203301  Microseris bigelovii J. T. Howell 1931-4-18 6417 Sonoma Mouth of Salmon Creek, 2 miles n. of Bay. Comment
  CAS-BOT-BC7490  Microseris obtusata Alice Eastwood 1899-1-1 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC322751  Microseris paludosa G. DeNevers; S. Kaza 1981-5-7 976 Sonoma 10510 Old Redwood Highway 2miles NW of Windsor exit from 101, vacant lot by Healdsburg Rent-All Comment
  CAS-BOT-BC311864  Mimulus Peter Rubtzoff 1953-5-16 1357 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  RSA0025392  Mimulus Peter Rubtzoff 1972-5-25 6764 Sonoma Laguna, Chileno Valley. Comment
  UCR265126  Mimulus aurantiacus Ann Howald 2015-4-1 3319 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 15.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 397 Comment
  UCD122173  Mimulus aurantiacus Collector Unknown Date Unknown s.n. Sonoma Sonoma County. Exact location unknown. Comment
  UC885691  Mimulus aurantiacus var. aurantiacus Lewis S. Rose 1941-5-22 41249 Sonoma 4 mi e Santa Rosa; Rincon Ridge 121 Comment
  UCSB22998  Mimulus aurantiacus var. aurantiacus McCarthy, Sharon 1965-4-16 Sonoma North of junction between 5th Street and Verano Ave., Sonoma 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
  RSA698955  Mimulus guttatus J. R. Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  UC70353  Mimulus guttatus Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  POM5061  Mimulus guttatus A. A. Heller, H. E. Brown 1902-4-23 5349 Sonoma Near Sonoma. Comment
  RSA0022509  Mimulus guttatus Peter Rubtzoff 1960-6-9 4486 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  SEINET6986285  Mimulus guttatus A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma Serpentine area 1 mile east of Occidental. Comment
  UC886246  Mimulus kelloggii Alice Eastwood 1915-6-5 Sonoma Petrified Forest Comment
  JEPS41072  Mimulus layneae Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9109 Sonoma between 1 and 1 1/4 mi w Napa County line (along the Franz Valley School road, 1/4 mi w of the school) 219 Comment
  UC1239072  Mimulus pilosus Freed W. Hoffman 1946-8-17 790 Sonoma near Korbel; North Coast Ranges, Russian River Comment
  UC26912  Mimulus pilosus J. Burtt Davy 1896-7-22 4144 Sonoma Russian River Comment
  CAS-BOT-BC388890  Minuartia douglasii Greg de Nevers 1993-4-11 10367 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. East of Middle Road through Bald Hills 304 Comment
  CAS-BOT-BC388892  Minuartia douglasii Roxana S. Ferris; Laura Lorraine 1961-6-14 13522 Sonoma Junction of Bittner Rd. with Joy Rd., between Occidental and Bodega Comment
  UC1040764  Minuartia douglasii C. F. Sonne 1887-4-22 1387 Sonoma White Sulphur Springs Comment
  UC763168  Monardella purpurea R. F. Hoover 1938-6-14 3609 Sonoma 3 mi west Graton on road to Occidental Comment
  SBBG7673  Monardella sheltonii C. Bornstein, E. Collins 2006-8-23 Sonoma Bohemian Hwy, along rd above Dutch Bill Crk 45 Comment
  SEINET9324387  Monardella sheltonii Unknown 1996-8-9 Sonoma Sonoma Co., CA (elev 800m) 800 Comment
  CAS-BOT-BC314202  Monardella villosa L. R. Abrams 1916-7-4 5790 Sonoma Road between Petrified Forest and Mark West. Comment
  UCD125249  Monardella villosa Frederica Bowcutt 1984-6-23 420 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. West of Hwy 1. Immediately north of Gerstle Cove near large parking lot. 15 Comment
  CHSC67998  Monardella villosa subsp. villosa Jack Guggolz; Betty Guggolz 1991-6-10 1181 Sonoma 3.0 miles east of northern Santa Rosa. On the south side of Buzzard Peak. 323 Comment
  JEPS87249  Monardella villosa subsp. villosa Jack and Betty Guggolz 1991-6-10 1181 Sonoma On south side of Buzzard peak. 323 Comment
  CAS-BOT-BC220700  Monardella viridis Milo S. Baker 1928-7-1 3346 a Sonoma Not certain but think Hope Val. Along Hiway near turn to Boulsen's Comment
  CAS-BOT-BC220702  Monardella viridis F. G. Krauss 1894-1-1 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC349590  Monolopia major J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma Comment
  NY342239  Montia clara A. A. Heller 1902-4-16 5313 Sonoma Fields east of Santa Rosa Comment
  UCR106049  Montia fontana Peter Rubtzoff 1966-4-30 5685 Sonoma North side of Hwy 116, 0.5 miles northwest of Stony Point Road crossing Comment
  SEINET10674983 Image available Montia fontana A. Arthur Heller, H. E. Brown 1902-4-16 Heller 5313 Sonoma Fields east of Santa Rosa. Comment
  CAS-BOT-BC445060  Montia linearis Alice Eastwood 1921-4-24 10348 Sonoma Santa Rosa Comment
  UC1146576  Muhlenbergia andina Freed W. Hoffman 1947-8-30 575 Sonoma Red Slide North Coast Ranges, Austin Creek, Layton Mine Comment
  RSA517354  Myosotis discolor L. T. Dempster 1958-5-24 1104 Sonoma Pitkin Marsh (on Pitkin Ranch). Comment
  CAS-BOT-BC257695  Myosurus Peter Rubtzoff 1970-5-30 6238 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC259172  Myosurus Peter Rubtzoff 1958-4-26 3595 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  RSA800351  Myosurus Peter Rubtzoff 1966-5-7 5703 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  JEPS30065  Myrica californica Alice Louise Griffin Sonoma Stewart's Point Comment
  UC1042426  Myrica californica Peter Rubtzoff 1952-5-31 1113 Sonoma near Forestville (Pitkin Marsh, s. of Upper Marsh); Pitkin Marsh Comment
  UC672611  Myrica californica Herbert L. Mason 1928-7-11 4893 Sonoma canyon 2 mi. n. Fort Ross Comment
  RSA800083  Myriophyllum Peter Rubtzoff 1971-9-3 6702 Sonoma Spring Creek Reservoir area. Comment
  RSA799987  Myriophyllum brasiliense Peter Rubtzoff 1973-10-10 7334 Sonoma Laguna de Santa Rosa ca. 1 mi east-southeast of Sebastopol. Comment
  CAS-BOT-BC376244  Myriophyllum sibiricum Greg de Nevers 1992-7-3 10212 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Yellow Jacket Ranch Lake 304 Comment
  RSA800843  Myriophyllum verticillatum Peter Rubtzoff 1955-8-13 2039 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  UC1133202  Nassella pulchra H. S. Yates 1934-4-21 3780 Sonoma near Bodega; Sebastopol Quadrangle Comment
  SEINET12010247  Nasturtium officinale F. H. Utech 1988-5-21 88 -230 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1 100 Comment
  CAS-BOT-BC230264  Navarretia cotulifolia A. A. Heller 1902-6-4 5638 Sonoma Santa Rosa Comment
  CAS-BOT-BC479713  Navarretia cotulifolia Ann Howald 2003-5-15 2334 A Sonoma Inner North Coast Ranges: Sonoma Mountains, S end, lower E slope, c. 0.2 mi SE of intersection of Lewis Creek and Felder Creek 151 Comment
  UC73612  Navarretia cotulifolia Milo S. Baker May 1899 Sonoma Santa Rosa Comment
  UCR261637  Navarretia cotulifolia Ann Howald 2003-5-15 2334 A Sonoma Inner North Coast Ranges, Sonoma Mountains, south end, lower east slope, c. 0.2 mile southeast of intersection of Lewis Creek and Felder Creek 151 Comment
  UCD160967  Navarretia heterandra James A. Neilson Jr. 1975-7-8 3378 Sonoma Mayacmas Mountains. Socrates Mine Road, near summit. (Elevation and coordinates estimated by label maker.) 975 Comment
  UC106834  Navarretia heterodoxa Michener and Bioletti Jul 1891 1554 a Sonoma Hoods Peak Comment
  UC1719856  Navarretia intertexta David Fruchter 1978-9-17 93 Sonoma Glen Ellen Comment
  CAS-BOT-BC230371  Navarretia leucocephala subsp. bakeri Peter Rubtzoff; Nancy Harrison 1974-5-26 7466 Sonoma On Bennett Valley Road, 4.25 miles W of Glen Ellen Comment
  JEPS70381  Navarretia leucocephala subsp. bakeri J. Ewan 1935-5-13 9249 Sonoma along RR. tracks Wright School (on Sebastopol road) Comment
  UC2014131  Navarretia leucocephala subsp. bakeri A. Solomeshch 2009-5-12 s.n. Sonoma Sonoma County: Along Bennett Valley Road (between Santa Rosa and Glen Ellen). Comment
  UCD161456  Navarretia mellita James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3294 c Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 1005 Comment
  SEINET191588  Navarretia pubescens Lewis S. Rose 1940-5-22 40371 Sonoma Sonoma 30 Comment
  CAS-BOT-BC232689  Navarretia pubescens G. DeNevers 1982-6-5 2043 Sonoma Pepperwood Ranch. In ditch along road below Strebel Comment
  RSA468372  Navarretia squarrosa E. A. Purer 1932-7-21 16861 Sonoma Bodega Bay. Comment
  UC188522  Navarretia squarrosa J. W. Congdon 1889-7-25 Sonoma Petaluma Comment
  UCD48702  Navarretia squarrosa Frederica Bowcutt 1994-6-25 1915 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Grey Pine Trail about 1/2 way between Brushy Peak Trail and Meadow Trail. 530 Comment
  JEPS3150  Nemophila heterophylla L. Constance 1938-4-24 2151 Sonoma 2 mi ne Bodega (on Salmon Creek); , ne of Bodega 91 Comment
  POM118672  Nemophila heterophylla Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UC24177  Nemophila heterophylla H. N. Bolander April 1864 3811 Sonoma Santa Rosa Creek Comment
  HSC13574  Nemophila heterophylla Malcolm L. Byce 1936-3-8 86 Sonoma Camp miller, 3.5 mi. W of Cazadero on rd. to Ft. Ross, on Ward Creek Comment
  HSC34933  Nemophila menziesii Thomas W. Nelson, MarJames Nelson 1975-3-25 1755 Sonoma Beside Hwy. 128 E of Geyserville Comment
  UCD13104  Nemophila menziesii William Sischo 1973-5-10 123 Sonoma Sonoma County, Bodega Bay Head. Comment
  SBBG6137  Nemophila menziesii var. atomaria H. and M. Dearing 1939-5-14 3359 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  POM65260  Nemophila menziesii var. atomaria A. A. Heller, H. E. Brown 1902-3-29 5181 Sonoma Bodega Bay Comment
  UCR265132  Nemophila menziesii var. menziesii Ann Howald 2015-4-1 3332 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  CAS-BOT-BC231195  Nemophila parviflora A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross Comment
  UC58518  Nemophila parviflora A. A. Heller 1903-4-23 6611 Sonoma Fort Ross Comment
  CAS-BOT-BC368029  Nemophila parviflora Greg de Nevers 1998-6-15 11284 Sonoma CYO Camp on Bohemian Highway. Comment
  UCR255657  Nicotiana Greg de Nevers 1997-10-17 11106 Sonoma North Coast Range, Santa Rosa, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 400 Comment
  CAS-BOT-BC140455  Oemleria cerasiformis Alice S. M. McKenzie 1981-2-23 18 Sonoma Fort Ross Road about ... mi. above Calif. State Hwy. 1. Beside road near wide place at San Andreas fault; Coast between Russian and Gualala Rivers Comment
  CAS-BOT-BC140456  Oemleria cerasiformis G. DeNevers 1981-4-1 601 Sonoma E of road, in Leslie Creek Comment
  CAS-BOT-BC140457  Oemleria cerasiformis Catherine Best 1987-4-16 1249 Sonoma Bouveric - Audubon Preserve on the trail to the waterfall Comment
  UCR255686  Oemleria cerasiformis Greg de Nevers 1998-4-27 11199 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  UC1365621  Oenanthe sarmentosa Peter Rubtzoff 1954-6-20 1509 Sonoma Guerneville Marsh Comment
  RSA20410  Oenanthe sarmentosa Roxana S. Ferris 1937-8-18 9376 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC502770  Orobanche bulbosa Alice Eastwood 1915-6-6 4704 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC500193  Orobanche fasciculata G. DeNevers 1981-7-31 1771 Sonoma Bodega Head, at Duncan's Landing Comment
  POM15641  Orthocarpus densiflorus A. A. Heller, H. E. Brown 1902-4-9 5236 Sonoma Three Miles South of Healdsburg. Comment
  RSA184858  Orthocarpus erianthus L. S. Rose 1965-4-4 65018 Sonoma Sonoma. 24 Comment
  SEINET12319543  Orthocarpus erianthus Unknown 1980-1 17 Sonoma no further locality 61 Comment
  POM182702  Orthocarpus faucibarbatus var. albidus D. D. Keck 1931-4-1 995 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma) 10 Comment
  UC875255  Osmorhiza berteroi Lewis S. Rose 1940-5-6 40263 Sonoma Sonoma Creek Canyon 213 Comment
  POM139491  Oxalis oregana A. A. Heller, H. E. Brown 1902-3-22 5131 Sonoma Among Redwood Trees W of Sebastopol Comment
  UCR3592  Oxalis oregana Carolyn McNeill 1969-5-25 s.n. Sonoma Sebastopol, 0.75 mi. east of Coffee Lane 107 Comment
  SBBG3948  Oxalis oregana H. and M. Dearing 1939-5-14 3379 Sonoma N of Fort Ross Comment
  UCD110971  Oxalis oregana Linda A. Bell 1975-5-18 156 Sonoma on highway 116, 3 miles west of Guerneville. Comment
  UCD151090  Packera eurycephala James A. Neilson Jr. 1974-6-1 2773 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 1/2 mi. west of Whispering Pines and state highway 175, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 1127 Comment
  UC91653  Packera greenei Katharine Curran July 1884 Sonoma Mt. St. Helena Comment
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Mar 27 2016
  UCD166341  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC1023571  Panicum acuminatum var. acuminatum Milo S. Baker Apr 1936 252 Sonoma Sonoma Co. Geysers Comment
  UCD88407  Panicum acuminatum var. fasciculatum Beecher Crampton 1957-7-22 4387 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCD88558  Panicum acuminatum var. fasciculatum Freed W. Hoffman 1941-7-26 2100 Sonoma North Coast Ranges. Near Guerneville. Comment
  UCD89124  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 b Sonoma North East part of county. The Geysers, Comment
  CAS-BOT-BC253772  Panicum capillare Peter Rubtzoff 1959-9-19 4275 Sonoma Russian River bottom, Vacation Beach, near Guerneville Comment
  UC1146648  Parapholis incurva Freed W. Hoffman 1941-6-22 2194 Sonoma Sonoma Coast mouth of Salmon Creek; North Coast Ranges, , Sonoma Coast Comment
  CAS-BOT-BC265689  Paspalum distichum Peter Rubtzoff 1954-7-29 1600 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC265698  Paspalum distichum G. DeNevers 1981-6-20 1618 Sonoma Along Mark West Creek, Pepperwood Ranch Comment
  RSA401967B  Pedicularis densiflora Cora Mae Life 1924-3-22 s.n. Sonoma Camp Weeker. Comment
  UCD151134  Pedicularis densiflora James A. Neilson Jr. 1973-6-6 3442 Sonoma Mayacmas Mountains. The Geysers. Site III B. (Location of Site III B taken from Neilson 3566 which says it is near Geyser Rock.) 1097 Comment
  UCD137617  Pellaea andromedifolia Jennifer Bury; Peggy Herzog 1993-5-8 295 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. 365 Comment
  UC42625  Pellaea mucronata var. mucronata F. T. Bioletti 1891-12-25 Sonoma Sonoma Comment
  SEINET10732556  Peniocereus greggii var. transmontanus George Thurber 1851-1 Sonoma Comment
  CAS-BOT-BC258802  Pennisetum clandestinum Peter Rubtzoff 1971-9-30 6717 Sonoma Spring Creek Reservoir area Comment
  JEPS78830  Penstemon heterophyllus var. australis Edward Lee 1936-6-7 2199 Sonoma on the fire trail near Highpoint (Bohemian Grove); , near Highpoint Comment
  SEINET12327816  Pentagramma triangularis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -095 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 244 Comment
  CAS-BOT-BC71729  Pentagramma triangularis subsp. triangularis D. E. Breedlove 1980-6-27 44765 Sonoma Pepperwood Ranch W of Knights Valley Comment
  JEPS128377  Pentagramma triangularis subsp. triangularis Roger Raiche 2000-4-23 044 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCR222556  Pentagramma triangularis subsp. triangularis George K. Helmkamp, E. A. Helmkamp 2010-6-5 16241 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  UC399562  Pentagramma triangularis subsp. triangularis C. F. Sonne April 1887 208 Sonoma White Sulphur Springs near Vallejo Comment
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1
  CAS-BOT-BC222745  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1962-8-3 5017 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC222746  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-7-30 5778 Sonoma Atascadero Creek 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
  UC1312868  Perideridia gairdneri subsp. gairdneri L. Constance and T. I. Chuang with Robert Ornduff and Peter Rubtzoff 1965-10-2 3766 Sonoma marsh on creek 1 mi nw Graton; Atascadero Creek 182 Comment
  HSC100975  Perideridia kelloggii Peter Warner 2011-8-10 226 Sonoma Jenner Headlands property, Muniz Ranch Rd., about 0.5 mi. N from Hwy. 1 intersection. 55 Comment
  UCD127637  Perideridia kelloggii Frederica Bowcutt 1997-7-19 2189 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.5 air mile SE of Red Mountain. Along Vista Traihead, just E. of Bald Mtn Trail and vernal pond. 579 Comment
  CAS-BOT-BC413648  Persicaria amphibia Peter Rubtzoff 1955-9-9 2116 Sonoma Bodega Head Marsh Comment
  UCD161302  Persicaria amphibia James A Neilson Jr. 1976-5-10 3688 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC413664  Persicaria amphibia Volney Rattan 1877-6-4 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC258010  Persicaria hydropiper Peter Rubtzoff 1973-8-20 7223 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD165109  Persicaria hydropiper Peter Rubtzoff 1973-9-9 7310 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC418903  Persicaria hydropiperoides Peter Rubtzoff 1954-8-10 1675 Sonoma Bodega Head Marsh Comment
  SD123635  Persicaria hydropiperoides Peter Rubtzoff 1960-9-14 4526 Sonoma Laguna de Santa Rosa east of Graton, (betw. Occidental and Guerneville rds.) Comment
  CAS-BOT-BC419123  Persicaria lapathifolia Walter Knight; Irja Knight 1963-9-29 219 Sonoma On Bodega Ave near Cleveland Lane-Petaluma Comment
  CAS-BOT-BC419419  Persicaria punctata Peter Rubtzoff 1952-10-26 1330 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC330276  Petasites frigidus var. palmatus Alice D. Sargent 1922-4-18 s.n. Sonoma Near Montesano on Russian River Comment
  CAS-BOT-BC330277  Petasites frigidus var. palmatus Walter Knight; Irja Knight; Dr. Stephen W. Edwards 1986-8-17 5512 Sonoma 4.85 mi from end of Mill Creek Road. Comment
  HSC63599  Petrorhagia nanteuilii Richard K. Rabeler 1980-8-8 507 Sonoma Along trail to Big Austin Creek along N side of King Ridge Rd., .4 km. NW of Big Austin Creek Bridge, 7 km. N of jct. with Cazadero Hwy. Comment
  UC702992  Phacelia californica John Thomas Howell 1930-7-27 5403 Sonoma 1 mi n Fort Ross Comment
  JEPS128247  Phacelia corymbosa Roger Raiche 2000-5-28 116 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC702959  Phacelia distans John Thomas Howell 1930-6-8 5274 Sonoma sand hills at n end Bodega Bay (type locality region) Comment
  UC703123  Phacelia distans John Thomas Howell 1929-6-9 4306 Sonoma near Petrified Forest Comment
  RSA26565  Phacelia distans J. T. Howell 1929-6-9 4306 Sonoma Near Petrified Forest. Comment
  JEPS83482  Phacelia egena R. D. Stone 1985-5-29 671 Sonoma ca 1.1 mi sw Cobb Mt. summit; upper Cobb Creek drainage 1066 Comment
  JEPS1083  Phacelia nemoralis subsp. nemoralis Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UC1051811  Phacelia nemoralis subsp. nemoralis L. R. Heckard 1952-4-14 226 Sonoma roadcuts and roadsides about 2.5 mi e Alexander Flat (along rd to Pine Valley) 60 Comment
  UC444442  Phacelia suaveolens E. L. Greene Aug. 1888 Sonoma Petrified Forest; ; Petrified Forest, Sonoma Co. Comment
  RSA783845  Phalaris Peter Rubtzoff 1978-5-20 9175 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road (off N side of road, in Todd Road Wildflower Preserve). Comment
  CAS-BOT-BC422359  Phalaris Peter Rubtzoff 1975-7-3 8149 Sonoma Kenwood Marsh. Comment
  UC933819  Phalaris angusta Leo Koch 1940-4-22 827 Sonoma at Geysers in Sulfur Creek Canyon; , Geysers Comment
  UCR218638  Phalaris aquatica George K. Helmkamp, E. A. Helmkamp 2010-6-4 16218 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  CAS-BOT-BC265844  Phalaris arundinacea Peter Rubtzoff 1958-5-17 3659 Sonoma Laguna de Santa Rosa north of Sebastapol, near Occidental Road Comment
  UCD88534  Phalaris arundinacea R. Tofsrud 1941-3-1 s.n. Sonoma Santa Rosa. Burbank Garden, S. R. Comment
  CAS-BOT-BC259023  Phalaris californica Lewis S. Rose 1962-6-1 62067 Sonoma 1 mi. nw of Freestone 76 Comment
  UC1011002  Phalaris minor Doris Cole 1935-5-27 68 Sonoma Petaluma; at Doris Cole's home Comment
  CAS-BOT-BC76528  Philadelphus lewisii John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54686 Sonoma Bouverie Audobon Perserve, about 1.5 miles east of Glen Ellen near Stuart Creek. 137 Comment
  RSA129243  Phleum alpinum H. S. Yates 1936-5-17 5626 Sonoma 1.5 miles E of Bodega Port 122 Comment
  UCD89300  Phleum alpinum Beecher Crampton 1957-7-22 4368 Sonoma 0.3 mile south of Stewart's Point, above Fisherman's Bay. Comment
  UCD89315  Phleum alpinum P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  UC76891  Phleum pratense unknown Jul 1891 Sonoma Sonoma Comment
  UC23592  Phlox gracilis Alice King Apr 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC135033  Phoradendron bolleanum Walter Knight; Irja Knight 1963-11-21 418 Sonoma Morelli Land near county dump Comment
  UCD102226  Phoradendron leucarpum subsp. tomentosum G. F. Hrusa; T. D. Wilfred 1995-12-3 12481 Sonoma Foote Ranch Property at NW base of Mt. St. Helena. Approx. 1/2 distance to summit along Ida Clayton Rd. 300 Comment
  UC327  Phyllospadix scouleri Milo S. Baker 1899-6-28 Sonoma near mouth of Russian River Comment
  UCD138381  Phyllospadix torreyi P. G. Connors 1993-6-6 317 Sonoma Bodega Head and Dunes. Horseshoe Cove. Comment
  CAS-BOT-BC140614  Physocarpus capitatus A. A. Heller 1902-6-24 5758 Sonoma Near Burke's Sanitarium Comment
  UC66137  Physocarpus capitatus A. A. Heller 1902-6-4 5647 Sonoma near Santa Rosa Comment
  OBI75343  Pickeringia montana Michener & Bioletti, Bioletti May 1893 s.n. Sonoma Hood's Peak Comment
  UCD158852  Pickeringia montana James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2923 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  CAS-BOT-BC176158  Picris echioides Peter Rubtzoff 1955-8-14 2050 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC78331  Pinus attenuata Peter H. Raven 1954-2-27 6430 Sonoma on north side of Hooker Creek, Hoods Peak Range 609 Comment
  UC1076360  Pinus muricata Herbert L. Mason 1928-4-8 4278 Sonoma Fort Ross Comment
  SEINET10612004 Image available Pinus muricata var. borealis Daniel I. Axelrod 1983-7-7 Axelrod E- 3 Sonoma Vicinity of Salt Point, Sate Highway 1. Site on coarse, thickly bedded Eocene marine sandstone. 76 Comment
  UCSC008263  Piperia elegans Randall Morgan 1989-1-1 1322 -P Sonoma Malm Flat Trail, Sugarloaf Ridge State Park Comment
  UC1044488  Pityopus californicus Mary L. Bowerman 1954-6-27 4334 Sonoma old mill site ca 3 mi e Fort Ross Comment
  CAS-BOT-BC166780  Plagiobothrys Peter Rubtzoff 1969-5-3 6013 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC166944  Plagiobothrys Peter Rubtzoff 1969-5-3 6018 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCR279875  Plagiobothrys Peter Rubtzoff 1969-5-3 6018 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastopol 21 Comment
  CAS-BOT-BC154994  Plagiobothrys Peter Rubtzoff 1970-5-16 6218 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC173530  Plagiobothrys Peter Rubtzoff 1969-5-24 6062 Sonoma Vernal pool, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  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
  UCD33098  Plagiobothrys bracteatus Beecher Crampton 1966-5-10 7729 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  JEPS60963  Plagiobothrys bracteatus Milo S. Baker 1927-5-8 2141 a Sonoma summit of Bennett Valley road Comment
  RSA639272  Plagiobothrys bracteatus R. F. Thorne 1965-4-19 34276 Sonoma Titus Ranch, Valley Ford. 18 Comment
  RSA783848  Plagiobothrys bracteatus Peter Rubtzoff 1972-6-11 6780 Sonoma Laguna, Chileno Valley. 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
  UCD84275  Plagiobothrys greenei Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  POM180616  Plagiobothrys reticulatus var. rossianorum J. T. Howell 1930-6-8 5225 Sonoma Bodega Road, 4 miles east of Valley Ford. Comment
  UCR279881  Plagiobothrys undulatus Peter Rubtzoff 1971-7-23 6618 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 70 Comment
  CAS-BOT-BC290688  Plantago Peter Rubtzoff 1987-10-17 9876 Sonoma Russian River ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC293681  Plantago Peter Rubtzoff 1958-7-19 3763 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  RSA177988  Plantago erecta Robert F. Thorne 1965-4-20 34342 Sonoma Top of Parker Hill ( N end of Parker Hill Road). ca. 3 miles N of Santa Rosa 244 Comment
  SBBG53025  Plantago erecta M. R. Benedict 1978-4-18 Sonoma Warm Springs Dam site, Dry Crk Valley Comment
  UCD124577  Plantago lanceolata Chris Bowen 1974-5-19 128 Sonoma West of Whalers' Reach, Unit 7 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  UCD124594  Plantago lanceolata Caitlin Lewis; William Mutch 1993-4-17 5 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
  JEPS19390  Plantago subnuda G. Thomas Robbins 1937-5-23 207 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch); Vine Hill Region Comment
  RSA800874  Plantago subnuda Peter Rubtzoff 1954-8-9 1658 Sonoma Bodega Head Marsh Comment
  UC1051634  Platanthera limosa Peter Kamb 1950-6-16 1857 Sonoma 1 mi n Sousa Corners (nw of Sebastopol, Pitkin Marsh); Pitkin Marsh Comment
Read comments
1
  CAS-BOT-BC92127  Platystemon californicus Roxana S. Ferris; D. H. Morey 1958-4-10 13328 Sonoma Bodega Bay. Comment
  UC855260  Platystemon californicus Alice Eastwood 1915-6-29 4862 Sonoma Bodega Point Comment
  SBBG53028  Platystemon californicus M. R. Benedict 1978-4-18 Sonoma St Hwy 128, 5 mi W of Calistoga Comment
  SD130535  Plectritis ciliosa F. Alameda, G. DeNevers 1981-3-30 4893 Sonoma Pepperwood Ranch, SE facing slopes just west of the Redwood Canyon Comment
  CAS-BOT-BC371445  Plectritis macrocera Greg de Nevers 1998-5-12 11244 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS86342  Pleuropogon californicus Jack and Betty Guggolz 1988-3-16 903 Sonoma at the nw corner of the intersection of Fulton Road and Wood Road Comment
Read comments
Jun 29 2008
  UC127248  Pleuropogon californicus C. H. Dwinelle 1908-5-13 4 Sonoma Fulton Comment
  UCD21132  Pleuropogon californicus Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 307 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  CDA19188  Pleuropogon californicus L. Correia 2001-5-23 PDR 038348 Sonoma North Coast Ranges; Stony Pt Rd, Petaluma. 0 Comment
  CAS-BOT-BC260978  Pleuropogon californicus var. californicus Lewis S. Rose 1962-4-11 62020 Sonoma Laguna de Santa Rosa, 1/2 mi. e. of Cunningham 15 Comment
  CAS-BOT-BC260985  Pleuropogon californicus var. californicus A. A. Heller 1902-4-15 5294 Sonoma Santa Rosa Comment
  CAS-BOT-BC260986  Pleuropogon californicus var. californicus A. A. Heller 1902-4-15 5294 Sonoma Santa Rosa Comment
  CAS-BOT-BC260987  Pleuropogon californicus var. californicus John Thomas Howell 1931-4-1 6037 Sonoma 9 miles sw. of Sonoma on road to San Rafael Comment
  UCD90194  Pleuropogon californicus var. californicus R. Tofsrud 1949-4-1 s.n. Sonoma south of East Windsor. Comment
  UCSB63833  Pleuropogon davyi James D. Jokerst 1993-5-13 3979 Sonoma collected the Sonoma Air Center Sonoma Air Center Comment
  CAS-BOT-BC422347  Poa Peter Rubtzoff 1976-5-30 8576 Sonoma Kenwood Marsh. Comment
  UCD92202  Poa Collector Unknown 1941-3-1 378 Sonoma behind old S.R. Cemetary. Comment
  CAS-BOT-BC173704  Poa annua Peter Rubtzoff 1989-4-30 9990 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC256026  Poa pratensis Catherine Best 1981-6-5 s.n. Sonoma Stoltz Lane about 2 miles N.E. of Occidental Comment
  CAS-BOT-BC256027  Poa pratensis Catherine Best 1993-5-6 1412 Sonoma Pepperwood Comment
  CAS-BOT-BC256035  Poa pratensis Peter Rubtzoff 1958-5-10 3641 Sonoma Laguna de Santa Rosa east of Cunningmham near Llamo Road Comment
  CAS-BOT-BC256036  Poa pratensis Peter Rubtzoff 1963-6-5 5153 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC256037  Poa pratensis Peter Rubtzoff 1960-6-8 4465 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC256025  Poa pratensis David L. Morgan 1961-5-13 s.n. Sonoma Western Ave. and Liberty St., Petaluma Comment
  JEPS75077  Poa pratensis subsp. pratensis Edward Lee 1934-4-30 754 Sonoma 1 mi w 2 Rock Junction Comment
  POM204983  Poa secunda A. A. Heller 1902-4-9 5249 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  CAS-BOT-BC243249  Poa secunda subsp. secunda Catherine Best 1981-5-2 s.n. Sonoma At the edge of Stoetz Lane about 2 miles NE of Occidental Comment
  CAS-BOT-BC243255  Poa secunda subsp. secunda G. DeNevers 1981-4-4 622 Sonoma Pepperwood Ranch. By the Studio Comment
  CAS-BOT-BC243256  Poa secunda subsp. secunda G. DeNevers 1982-3-28 1943 A Sonoma Sugarloaf Ridge State Park, near the parking lot Comment
  CAS-BOT-BC244200  Poa trivialis Roxana S. Ferris; Laura Lorraine 1961-6-14 13542 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  CAS-BOT-BC244202  Poa trivialis John Thomas Howell 1951-5-28 27495 Sonoma Laguna E of Sebastopol Comment
  RSA227230  Poa trivialis Peter Rubtzoff 1960-6-8 4466 Sonoma Fife Creek Marsh. Comment
  UCD92137  Poa unilateralis Beecher Crampton 1973-5-5 8928 Sonoma Sonoma Coast State Park at Carmet. Comment
  CAS-BOT-BC110663  Poaceae Peter Rubtzoff 1970-8-25 6342 Sonoma On Austin Creek beach, 0.5 miles north of Casadero. Comment
  CAS-BOT-BC361406  Poaceae Greg de Nevers 1993-8-21 10491 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. Along Franz Creek 457 Comment
  CDA40768  Pogogyne douglasii subsp. minor Peter Rubtzoff 1971-5-3 6487 Sonoma 4.25 miles west of Glen Ellen. 0 Comment
  POM283137  Pogogyne douglasii subsp. parviflora Lyman Benson 1930-6-18 2163 Sonoma South of Santa Rosa. 61 Comment
  JEPS43013  Polygala californica Elizabeth Ferguson 236 Sonoma between Guerneville and Monte Rio; Russian River Comment
  SEINET12205240  Polygala californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -162 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  CAS-BOT-BC109165  Polygonum bolanderi F. G. Krauss 1893-10-8 s.n. Sonoma K Ranch. Comment
  CAS-BOT-BC109166  Polygonum bolanderi John Thomas Howell 1926-10-3 2213 Sonoma Two miles from Petrified Forest on road to Calistoga. Comment
  CAS-BOT-BC109167  Polygonum bolanderi G. L. Stebbins 1966-7-22 6480 Sonoma Mountain Home Ranch, 3.5 miles west of Calistoga. 274 Comment
  CAS-BOT-BC109250  Polygonum paronychia Catherine Best 1981-5-2 s.n. Sonoma South side of the mouth of the Russian River. Comment
  UC727706  Polygonum persicaria Milo S. Baker 1946-8-17 11563 Sonoma The Laguna; at crossing of the Occidental Rd Comment
  RSA234570  Polygonum punctatum Peter Rubtzoff 1955-8-28 2106 Sonoma Forestville Marsh Comment
  UC914094  Polypodium calirhiza Milo S. Baker June 1944 10886 Sonoma 1 1/2 mi n in hills Sonoma Comment
  CAS-BOT-BC76897  Polypodium calirhiza Milo S. Baker 1944-6-1 10886 Sonoma 1 1/2 mi N of Sonoma town in the hills along an established road. Comment
  POM198410  Polypodium glycyrrhiza Marcus E. Jones 1931-7-5 29173 a Sonoma The Geysers. Comment
  UC672636  Polypodium scouleri H. L. Mason June 1930 5664 Sonoma mouth of Gualala River Comment
  CAS-BOT-BC361407  Polypogon Greg de Nevers 1997-5-23 11006 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. In Three Hill vernal pool 457 Comment
  RSA129381  Polypogon interruptus H. S. Yates 1937-6-6 6584 Sonoma 3 miles east of Jenner. 61 Comment
  UC1026466  Polypogon interruptus Peter Rubtzoff 1951-7-14 431 Sonoma near Forestville (Pitkin Marsh, southern half Lower Marsh); Pitkin Marsh, Lower Marsh Comment
  UC1056223  Polypogon interruptus Virginia E. Long 1930-9-13 7 a Sonoma about 10 mi n Cloverdale Comment
  UC1132888  Polypogon interruptus H. S. Yates 1937-6-6 6584 Sonoma 3 mi e Jenner; Duncan Mills Quad. Comment
  UCD161307  Polypogon interruptus James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3691 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC237408  Polypogon monspeliensis Peter Rubtzoff 1956-9-11 2847 Sonoma Vacation Beach, near Guerneville, Russian River bottom Comment
  SD39929  Polypogon monspeliensis Edith A. Purer 1932-7-24 4082 Sonoma Bodega Bay, stabilized dunes Comment
  UCD161843  Polypogon monspeliensis James A. Neilson Jr. 1975-6-26 s.n. Sonoma Mayacmas Mountains, Caldwell Pines area, Wildhorse #1. (Exact location unknown, coordinates estimated by label maker. Georeferenced near Wildhorse Cr.) Comment
  UCR248766  Polypogon monspeliensis Peter Rubtzoff 1986-7-13 9723 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  UCD91339  Polypogon monspeliensis P. B. Kennedy 1920-6-16 X 3252 Sonoma Santa Rosa; Field -- Campus -- Berkeley Comment
  CAS-BOT-BC237613  Polypogon viridis Peter Rubtzoff 1960-6-5 4439 Sonoma Laguna de Santa Rosa are NE of Graton, near the Laguna Road Comment
  SD9738  Polystichum aculeatum var. aculeatum R. V. Frost 1878-1 Sonoma Comment
  UCD168041  Polystichum californicum James A. Neilson Jr. 1981-3-13 3995 Sonoma Mayacmas Mountains, tributary of Hummingbird Creek. 1/2 mile NE of confluence of Hummingbird Creek and Squaw Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  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
  HSC86326  Polystichum californicum R. W. Becking 1984-3-9 Sonoma Cloverdale, Hwy. 128 W 2 mi. from Hwy. 101 intersection, Alderglen Springs Comment
  SEINET10794020  Polystichum dudleyi Wendy Born Born s.n. Sonoma Armstrong Redwoods State Park, along road to the Pack Station, ca. 3/4 the way up (immediately across road from large downed tree, on right side of road). Population of P. dudleyi is on left side of road, ca. 100 plants, mixed with Polystichum hybrids, Dryopteris arguta. Comment
  RSA302172  Polystichum munitum J. R. Shevock 1971-1-30 623 Sonoma Along Russian River. 13 Comment
  CAS-BOT-BC267132  Potamogeton M. S. Baker 1899-6-1 3657 b Sonoma Near Valley Ford Comment
  UCR244630  Potamogeton foliosus Peter Rubtzoff 1971-9-1 6667 Sonoma Spring Creek Reservoir area, east of Santa Rosa 87 Comment
  CAS-BOT-BC272847  Potamogeton nodosus Peter Rubtzoff 1970-8-18 6312 Sonoma 5 miles north of Sears Point. Comment
  UC441347  Potamogeton nodosus Milo S. Baker Aug. 1900 Sonoma near Laguna; Mark West Creek Comment
  UCD164983  Potamogeton nodosus Peter Rubtzoff; Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7812 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC257678  Potamogeton nodosus Peter Rubtzoff 1971-9-30 6716 Sonoma Spring Creek Reservoir area. Comment
  CAS-BOT-BC454025  Potamogeton pectinatus Peter Rubtzoff 1971-9-30 6712 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC272846  Potamogeton pusillus Peter Rubtzoff 1964-7-14 5396 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC454083  Potamogeton pusillus subsp. pusillus Peter Rubtzoff 1961-5-24 4610 Sonoma Upper Stemple Creek Marsh. Comment
  CAS-BOT-BC141949  Potentilla anserina subsp. pacifica Peter Rubtzoff 1961-5-6 4675 Sonoma Americano Creek 1/2 mi. east of Valley Ford - Sonoma County Marshes Comment
  CAS-BOT-BC141955  Potentilla anserina subsp. pacifica Peter Rubtzoff 1959-6-13 4127 Sonoma Willow Creek Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141956  Potentilla anserina subsp. pacifica Peter Rubtzoff 1959-6-13 4127 Sonoma Willow Creek Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141957  Potentilla anserina subsp. pacifica Peter Rubtzoff 1954-7-26 1556 Sonoma Coleman Marsh - Sonoma County Marshes Comment
  HSC98398  Potentilla anserina subsp. pacifica James Faro 1962-4-17 28 Sonoma W side of Bodega Bay, N end Comment
  CAS-BOT-BC141601  Potentilla uliginosa John Thomas Howell 1947-6-26 23297 Sonoma Cunningham Marsh Comment
  UCD139804  Prosartes hookeri R. H. Miller 1949-4-6 23 Sonoma 5 miles southeast of Monte Rio, beside on Highway 12. Comment
  UCD125336  Prunella vulgaris P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. 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
  NY622090  Prunella vulgaris var. atropurpurea A. A. Heller 1902-6-4 5639 Sonoma Santa Rosa Comment
  UC1124439  Prunella vulgaris var. lanceolata H. S. Yates 1936-5-16 5578 Sonoma 1 mi ne Graton; Sebastopol Quadrangle Comment
  UC1288496  Prunella vulgaris var. lanceolata Andrew P. Nelson 1960-8-3 646 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC158588  Prunus James McMurphy 1908-10-3 s.n. Sonoma Smith Creek Comment
  POM139676  Prunus subcordata A. A. Heller, H. E. Brown 1902-4-4 5215 Sonoma Hills east of Santa Rosa Comment
  CAS-BOT-BC159453  Prunus virginiana var. demissa G. DeNevers 1981-5-7 1012 Sonoma Between the two driveways at Leslie Road and Mark West Springs Road, Pepperwood Ranch Comment
  CAS-BOT-BC356925  Pseudognaphalium californicum Walter Knight; Irja Knight 1963-8-23 287 Sonoma Joost Ranch, Calistoga Rd Comment
  CAS-BOT-BC356926  Pseudognaphalium californicum G. DeNevers 1981-6-15 1556 Sonoma Pepperwood Ranch. Along road from Bald Hills to Franz Valley Creek Comment
  CAS-BOT-BC356927  Pseudognaphalium californicum G. DeNevers 1981-9-5 1828 Sonoma Pepperwood Ranch. N of Pippindale Garden Comment
  CAS-BOT-BC361623  Pseudognaphalium stramineum Alice Eastwood 1915-6-29 4884 Sonoma Bodega Point Comment
  UCD135215  Pseudognaphalium stramineum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 100 Sonoma Walk-on Beach; Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC80187  Pseudotsuga menziesii J. W. Congdon 1880-3-1 s.n. Sonoma Santa Rosa Road Comment
  OBI35892  Pseudotsuga menziesii var. menziesii David J. Keil 1983-6-29 17207 Sonoma Ca. 10 mi SE of Ft. Ross along Hwy 1 Comment
  UCR280128  Psilocarphus Peter Rubtzoff 1964-7-7 5389 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC176171  Psilocarphus Peter Rubtzoff 1966-5-30 5746 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  UCD166085  Psilocarphus Peter Rubtzoff 1971-6-25 6553 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UCD166218  Psilocarphus Peter Rubtzoff 1970-5-30 6249 Sonoma 5 miles north of Sear Point. Comment
  UC353797  Psilocarphus brevissimus var. brevissimus Milo S. Baker 1928-5-26 3027 b Sonoma Bennett Valley Road Comment
  CAS-BOT-BC362080  Psilocarphus tenellus H. L. Mason 1934-4-28 8083 Sonoma Jensen's Ranch, Dohrmann Creek Comment
  CAS-BOT-BC421374  Pterostegia drymarioides A. A. Heller 1902-5-27 5612 Sonoma Bodega Bay Comment
  UC1348906  Pteryxia terebinthina var. californica Robert F. Thorne 1965-4-19 34306 Sonoma W.-facing serpentine slope in mixed evergreen forest; W of Stoetz Roadd off of Harrison Grade, ca. 2 miles NNE of Occidental 182 Comment
  CDA16004  Quercus X chasei G. F. Hrusa, R. Gross 2000-7-26 15684 Sonoma North Coast Biodiversity Arena; Foote Ranch at NE base of Mt. St. Helena. Comment
  CAS-BOT-BC94231  Quercus X eplingii G. De Nevers 1981-9-5 1812 Sonoma Pepperwood Ranch. Bottom of Bauer's driveway, near Hansel's Corral Comment
  CAS-BOT-BC61630  Quercus agrifolia A. A. Heller; H. E. Brown 1902-4-15 5295 Sonoma Santa Rosa Creek Comment
  CAS-BOT-BC61634  Quercus agrifolia Margot Lowry 1983-5-1 40 Sonoma ca. one mile from top of Sonoma Mtn Rd., on Sonoma Mtn. 500 Comment
  CAS-BOT-BC79571  Quercus dumosa John Thomas Howell 1926-10-3 2214 Sonoma Petrified Forest Comment
  SD88422  Quercus durata Darley F. Howe 1972-4-28 Sonoma Mt Hood Range, Trinity Road 395 Comment
  HSC8232  Quercus garryana L. S. Rose 1964-8-26 64066 Sonoma 6 mi NE of Penngrove 366 Comment
  OBI14250  Quercus garryana var. garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 mi NE of Penngrove 366 Comment
  UCD46072  Quercus garryana var. garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 miles ne of Penngrove; 365 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
  POM270134  Quercus garryana var. garryana Lyman Benson 1933-8-23 5687 Sonoma Mark West Springs, Hood's Peak Mt. Range. 305 Comment
  CAS-BOT-BC105480  Quercus kelloggii Dorothy Scherer 1996-10-14 73 Sonoma N side of Fort Ross Rd. ca. 1/2 mi. W of Seaview Rd. Fort Ross State Historic Park 451 Comment
  CAS-BOT-BC105482  Quercus kelloggii Mrs. E. C. Suttiffe 1921-9-5 s.n. Sonoma Valley of the Moon, London's Place Comment
  RSA177964  Quercus kelloggii Robert F. Thorne 1965-4-20 34385 Sonoma Robert Sone's place on Rock Ridge Lane- Mentecito Ave. on Rincon Ridge, Santa Rosa. 107 Comment
  JEPS37361  Quercus lobata Miss R. Kuhn Oct 1913 Sonoma Sonoma Comment
  SJSU10147  Quercus lobata A. W. Jacobs 1939-8-21 Sonoma Russian R near Hilton Comment
  UCD47144  Quercus parvula var. shrevei Willis L. Jepson 1893-9-23 s.n. Sonoma Mt. St. Helena. Napa River Basin. 914 Comment
Read comments
Jul 28 2008
  CAS-BOT-BC134862  Quercus wislizeni G. DeNevers 1981-9-5 1820 Sonoma Pepperwood Ranch. Across the creek from the Goat Pens Comment
  SEINET7096763  Ranunculus californicus A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane off Occidental Road 1 mile east of Occidental. NAD27, 38? deg. 24' 25ao, -122?_ 55' 38ao (converted to WGS84 decimal degrees) UTM Zone 10, 566349mE, 4250771mN. Comment
  UCD150138  Ranunculus californicus 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
  UC729243  Ranunculus californicus A. A. Heller 1938-5-14 15082 Sonoma on bluff n Bodega Bay Comment
  RSA0030884  Ranunculus californicus var. cuneatus Lewis S. Rose 1939-4-2 39051 Sonoma 3 mi. n. of Bodega Bay. Comment
  UCD96104  Ranunculus flammula var. ovalis Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 98 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  CAS-BOT-BC361405  Ranunculus lobbii Greg de Nevers 1994-3-18 10514 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. Weimar vernal meadow 457 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
  SEINET12093069  Ranunculus occidentalis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -175 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  SEINET6908795  Ranunculus occidentalis var. occidentalis A. G. Vestal, Wanda P. Vestal 1962-4-12 s.n. Sonoma Shoulder of Mark West Springs Road toward Calistoga, 6.4 miles northeast of Route 101 or 10 miles north of Santa Rosa. Comment
  JEPS87238  Ranunculus pusillus Jack and Betty Guggolz 1992-5-6 1273 Sonoma about 1 1/4 mi nw Windsor 42 Comment
  UCD150857  Ranunculus pusillus Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  POM269796  Ranunculus pusillus G. Thomas Robbins 1937-5-23 181 Sonoma edge of vernal pool, near Wright School on Hwy betw Santa Rosa and Sepastopol Comment
  CAS-BOT-BC74235  Raphanus sativus Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol. Comment
  SDSU10151  Reseda luteola D. F. Howe 1977-10-10 5016 Sonoma W. of Petaluma on D3 near Marin Co. 47 Comment
  RSA6213  Rhamnus californica Merle Randall 1930-6-14 s.n. Sonoma Alamere Creek Comment
Read comments
Sep 20 2012
  UC1121738  Rhamnus californica C. M. Belshaw 1936-3-7 1558 Sonoma 0.25 mi w Trenton; Sebastopol Quad. 182 Comment
  UC73371  Rhamnus crocea Milo S. Baker 1898-4-23 26 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC59448  Rhamnus ilicifolia Helen D. Geis 1902-1-1 575 Sonoma unspecified Comment
  RSA339385  Rhamnus tomentella subsp. tomentella Roger Raiche 1985-11-29 50900 Sonoma NE end of town of Healdsburg on Reservoir Hill. 122 Comment
  UCD117873  Rhododendron columbianum J. M. Tucker; C. H. Lamoureux 1958-6-8 3409 Sonoma In the vicinity of State Highway 1, 6.1 miles (by road) north of Fort Ross. Comment
  UC22148  Rhododendron occidentale Edw. L. Greene 1894-6-7 Sonoma Mount St. Helena Comment
  UCD117936  Rhododendron occidentale Charles B. Heiser Jr. 1946-5-19 1750 Sonoma Vine Hill region, Pitkin Marsh. Comment
  CAS-BOT-BC200354  Rhododendron occidentale var. paludosum M. S. Baker 1898-6-11 s.n. Sonoma Sulphur Creek Comment
  CAS-BOT-BC111884  Rhynchospora californica Peter Rubtzoff 1951-7-1 343 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  CAS-BOT-BC111893  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh 182 Comment
  CAS-BOT-BC111901  Rhynchospora capitellata Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  RSA35297  Rhynchospora capitellata J. T. Howell 1936-7-26 12677 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  UC1026464  Rhynchospora capitellata Peter Rubtzoff 1951-7-1 341 Sonoma uppermost part western branch of Upper Marsh (near Forestville); Pitkin Marsh Comment
  UCD141233  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh. Comment
  RSA90514  Rhynchospora capitellata Milo S. Baker 1945-7-18 11117 Sonoma Pitkin Marsh Comment
  RSA93974  Rhynchospora capitellata Peter Rubtzoff 1951-7-22 529 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  UC58224  Ribes californicum A. A. Heller 1903-4-24 6613 Sonoma near Cazadero Comment
  UC75444  Ribes californicum Milo S. Baker 1898-4-4 19 Sonoma Sea View Comment
  CAS-BOT-BC168996  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1962-4-11 4786 Sonoma Laguna de Santa Rosa east of Cunningham, near Llamo Road Comment
  CAS-BOT-BC212920  Ribes menziesii Arthur Menzies 1963-2-17 s.n. Sonoma 2 miles south of Seaview, East of Fort Ross Comment
  CAS-BOT-BC212922  Ribes menziesii John Thomas Howell 1934-3-3 11737 Sonoma 8 miles south of Fort Ross Comment
  UC75476  Ribes roezlii var. cruentum Milo S. Baker 1899-2-22 755 Sonoma near summit Mt. Hood Comment
  CAS-BOT-BC186077  Ribes roezlii var. roezlii Susan M. Smith 2004-2-9 s.n. Sonoma Over 80 acre on native plant preserve Nefertierra. Off St. Helena Rd, 3 1/2 m. e. of Calistoga Rd. 472 Comment
  UC1182092  Ribes victoris var. minus C. R. Quick and Alice Quick 1935-3-10 171 Sonoma ne Kenwood (n from Sonoma, at foot of Mt. Hood); Mt. Hood, Canyon of Sonoma Creek Comment
  UC191399  Ribes victoris var. minus Michener and Bioletti 1892-7-8 629 a Sonoma Comment
  CAS-BOT-BC74706  Rorippa curvisiliqua Peter Rubtzoff 1965-8-16 5594 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC74717  Rorippa curvisiliqua Greg de Nevers 1992-6-16 10168 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek. 304 Comment
  UCR254885  Rorippa truncata Peter Rubtzoff 1973-8-21 7250 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente 41 Comment
  CAS-BOT-BC152673  Rosa californica L. R. Abrams 1916-7-4 5782 Sonoma Road between Petrified Forest and Mark West Co. Comment
  UCD164683  Rosa canina Peter Rubtzoff 1976-5-30 8565 Sonoma Kenwood Marsh. Comment
  UC1193206  Rosa gymnocarpa G. W. Tourtillott 1950-5-10 19 Sonoma 1 mi e Geysers Hotel; Quad. 60B4 609 Comment
  CAS-BOT-BC146776  Rosa gymnocarpa R. D. Stone 1983-6-14 537 Sonoma In headwaters of Squaw Cr. drainage ca. 1.2 mi. NW of Geyser Rock 975 Comment
  UC12892  Rosa gymnocarpa unknown 1888-8-29 Sonoma below Guerneville; Russian River Comment
  CAS-BOT-BC262810  Rubus Peter Rubtzoff 1958-5-3 3613 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC262812  Rubus Peter Rubtzoff 1954-7-27 1590 Sonoma Guerneville Marsh; north end of marsh. Comment
  CAS-BOT-BC156601  Rubus bifrons Peter Rubtzoff 1951-6-30 289 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC147993  Rubus leucodermis Volney Rattan 1877-6-15 s.n. Sonoma Guerneville Comment
  UC666159 Image available Rubus ursinus S. W. Brown 1942-6-28 42015 Sonoma in ravine 15 mi n Fort Ross; ; Ft. Ross Comment
  UCD114007  Rubus ursinus Mary M. Hektner 1974-6-3 019 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD166411  Rubus ursinus Peter Rubtzoff 1958-5-3 3613 Sonoma Atascadero Creek Marsh. Comment
  UCD17934  Rubus ursinus H. Olmo; T. S. Mallah 1953-4-3 53 64 B Sonoma California. Sonoma County: 0.5 miles north of city limits in Rio Del. Comment
Read comments
Aug 27 2013
  CAS-BOT-BC166721  Rumex Peter Rubtzoff 1962-6-24 4963 Sonoma Vacation Beach, 1.5 miles below Guerneville, along Russian River. Comment
  CAS-BOT-BC366883  Rumex Greg de Nevers 1997-9-22 11088 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  UCD166510  Rumex Peter Rubtzoff 1962-6-22 4949 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC166904  Rumex Peter Rubtzoff 1962-7-28 5007 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  RSA790985  Rumex Peter Rubtzoff 1959-9-12 4262 Sonoma Willow Creek Marsh. Comment
  CDA36852  Rumex acetosella CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCR178427  Rumex acetosella Frederica Bowcutt 1994-5-21 1827 Sonoma Sugarloaf Ridge State Park, c. 40 air mi N of San Francisco and c. 11 air mi east of Santa Rosa; c. 2.5 air mi NE of Kenwood; c. 18 air mi NW of Napa. Meadow trail and Gray Pine (Digger Pine) trail, 1 mile from trailhead 396 Comment
  CAS-BOT-BC422230  Rumex acetosella A. A. Heller 1902-6-7 5655 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC422232  Rumex acetosella Peter Rubtzoff 1952-3-22 871 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC166969  Rumex crispus Peter Rubtzoff 1959-9-13 4268 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC433413  Rumex crispus G. DeNevers 1981-5-30 1395 Sonoma Pepperwood Ranch. Near Pippindale Pond. Comment
  UCD101133  Rumex crispus Frederica Bowcutt 1996-5-18 2121 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon, along Hillside Trail. Comment
  UCR244736  Rumex fueginus Peter Rubtzoff 1963-10-5 5288 Sonoma Laguna de Santa Rosa east of Graton 23 Comment
  RSA783834  Rumex fueginus Peter Rubtzoff 1958-9-27 4007 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road). Comment
  CAS-BOT-BC173642  Rumex obtusifolius Peter Rubtzoff 1962-9-9 s.n. Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC433850  Rumex pulcher Mary P. Wells 1981-7-2 s.n. Sonoma Black Point, The Sea Ranch Comment
  UCD158722  Rumex salicifolius James A. Neilson Jr. 1974-7-31 2832 Sonoma Mayacmas Mountains. North of Little Geysers well # 2. 731 Comment
  JEPS128317  Rupertia physodes Roger Raiche 2000-5-27 108 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  HSC49283  Rupertia physodes J. P. Smith, J. O. Sawyer 1977-6-5 2880 Sonoma Canyon Rd. about 1/2 mi. W of US 101 across from Pendrocelli Winery Comment
  UC1719908  Rytidosperma penicillatum Barbara Ertter 2003-7-19 18246 Sonoma Bodega Bay, behind community center on W side of Hwy 1 N of town Comment
  UCR25318  Rytidosperma penicillatum John C. Roos 1957-7-2 6651 Sonoma Miller Ridge Comment
  CAS-BOT-BC320558  Sagina Peter Rubtzoff 1974-5-18 7408 Sonoma Todd Road 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  JEPS90776  Sagina decumbens subsp. occidentalis Dean W. Taylor 1994-5-4 14225 Sonoma 1.8 mi n of Camp Meeker (along Bohemian Highway, Dutch Bill Creek drainage just downstream from confluence with Duvol Creek); North Coast Ranges, Bohemian Highway 76 Comment
  CAS-BOT-BC445687  Sagittaria cuneata Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC445686  Sagittaria cuneata W. W. Carruth 1901-6-1 s.n. Sonoma Laguna near Fulton Comment
  UC935766  Sagittaria latifolia Malcolm A. Nobs and S. Galen Smith 1949-6-29 920 Sonoma on road to Sebastopol the Laguna marshy area w Santa Rosa; Laguna marshy area Comment
  CAS-BOT-BC290676  Salix Peter Rubtzoff 1973-10-10 7337 Sonoma Salmon Creek, 0.25 miles south of Freestone. Comment
  UCR249074  Salix Peter Rubtzoff 1971-9-1 6679 Sonoma Spring Creek Reservoir area, east of Santa Rosa 87 Comment
  UC517938  Salix X sepulcralis W. A. Setchell 1934-3-17 Sonoma Valley Ford Rd. 6 mi. from Petaluma Comment
  CAS-BOT-BC290592  Salix babylonica Peter Rubtzoff 1955-8-14 2051 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC103084  Salix bonplandiana Peter Rubtzoff 1952-6-15 1265 Sonoma Fitch Mtn. Grove, near Healdsburg. Bank of Russian River Comment
  CAS-BOT-BC103093  Salix bonplandiana Peter Rubtzoff 1969-8-26 6160 Sonoma Pond on River road 3 mi. west of Fulton Comment
  UC1299158  Salix breweri Freed W. Hoffman 1947-5-30 517 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC103944  Salix exigua Peter Rubtzoff 1953-5-16 1358 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  UC599629  Salix exigua var. hindsiana A. A. Heller 1902-4-8 5224 Sonoma s.e. Santa Rosa; Bennett Valley Comment
  CAS-BOT-BC290707  Salix gooddingii Peter Rubtzoff 1955-4-9 1770 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC106847  Salix hookeriana Mary P. Wells 1981-4-18 s.n. Sonoma Draw, Unit 24, The Sea Ranch Comment
  HSC19976  Salix laevigata P. J. Zinke 1950-4-25 119 Sonoma Russian River at Cloverdale 152 Comment
  UC66158  Salix laevigata A. A. Heller 1902-4-22 5346 Sonoma on Santa Rosa Creek near Santa Rosa; Santa Rosa Creek Comment
  UC453091  Salix lasiandra subsp. lasiandra W. A. Setchell 1931-7-25 11 Sonoma Bohemian Grove near Monte Rio; Russian R. Comment
  UC482064  Salix lasiandra subsp. lasiandra Baker, Ball, Bracelin, and Crum 1931-5-9 347 Sonoma ca. 2 km. e. Bodega Bay (near Bodega, on Santa Rosa - Bodega Hwy., Larkspur R__k) Comment
  CAS-BOT-BC128068  Salix lasiandra var. lasiandra Baker; Ball; Bracelin; Crum 1931-5-9 347 Sonoma About 2 km. east of Bodega Bay. Comment
  CAS-BOT-BC107088  Salix lasiolepis Mary P. Wells 1986-2-2 736 Sonoma north of Wild Moor Reach, The Sea Ranch Comment
  CAS-BOT-BC107099  Salix lasiolepis Peter Rubtzoff 1952-3-23 872 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC107252  Salix lasiolepis A. A. Heller 1902-3-10 5016 Sonoma Hills two miles southeast of Santa [Kosa] Rosa Comment
  UC453100  Salix lasiolepis W. A. Setchell 1931-7-31 18 Sonoma Bodega Bay; bottom of small canyon Comment
  UC453115  Salix lasiolepis W. A. Setchell 1931-8-1 28 Sonoma Jenner-by-the-Sea Comment
  UC482118  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UC524784  Salix lasiolepis W. A. Setchell 1934-7-10 3 b Sonoma Coast Hwy n Fort Ross Comment
  UC66163  Salix lasiolepis A. A. Heller 1902-3 5097 Sonoma e Santa Rosa; Santa Rosa Creek Comment
  RSA31743  Salix lasiolepis A. A. Heller 1900-3-18 5097 Sonoma Santa Rosa Creek. Near Santa Rosa. Comment
Read comments
May 1 2014
  RSA534499  Salix lucida subsp. lasiandra Peter Rubtzoff 1955-8-20 2059 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC125697  Salix melanopsis W. A. Setchell 1931-8-1 s.n. Sonoma Bohemian Grove, near Monte Rio, in gravelly bed of Russian River Comment
  UC482050  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  UC490560  Salix melanopsis Joseph P. Tracy 1932-5-8 9897 Sonoma Geyserville Northern Coast Ranges, Geyserville Comment
  UC517940  Salix scouleriana W. A. Setchell 1934-3-17 Sonoma beside rd. entering Bohemian Grove Monte Rio Comment
  UC524793  Salix scouleriana W. A. Setchell 1934-7-10 9 Sonoma Ridge Hwy. above Fort Ross Comment
  HSC20117  Salix sitchensis Theodore J. Crovello 1965-9-14 721 Sonoma Along Mayacama Creek, 75-100 yds. W of junction with bridge of Hwy. 128 Comment
  JEPS46299  Salix sitchensis Eleanor Armstrong 1933-4-15 749 Sonoma small creek Bodega Bay 6 Comment
  POM219075  Salix sitchensis Carleton R. Ball, H. P. Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 36 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  SJSU218  Salix sitchensis Baker, Ball, Bracelin & Crum 1931-5-9 344 Sonoma c. 2 km E of Bodega Bay Comment
  UC453082  Salix sitchensis W. A. Setchell 1931-7-25 3 Sonoma above Russian R. at Bohemian Grove near Monte Rio Comment
  UCSC000171  Salix sitchensis H. S. Yates 1934-4-21 3778 Sonoma near Bodega - Sebastopol 61 Comment
  CAS-BOT-BC176848  Salsola australis Mary P. Wells 1992-11-16 1075 Sonoma Sixth Street where Adams Street ends, Santa Rosa Comment
  UCD125322  Salvia columbariae Frederica Bowcutt 1996-5-24 2167 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road W of kiosk. Comment
  UC25740  Salvia sonomensis F. T. Bioletti May 1892 Sonoma Hood's Peak Comment
  CHSC60066  Sanicula arctopoides E. L. Knight 1988-4-1 3 Sonoma Ca 0.25 m ene of southernmost point of Bodega Head and 100 ft n of Pacific Ocean. 15 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
  UC750801  Sanicula bipinnatifida Charles B. Heiser Jr. 1946-4-13 1719 Sonoma between Jenner and Duncan Mills Comment
  RSA52124  Sanicula bipinnatifida A. A. Heller, H. E. Brown 1902-3-14 5066 Sonoma Near Windsor Comment
  RSA178040  Sanicula laciniata R. F. Thorne 1965-4-20 34388 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  CAS-BOT-BC251245  Saponaria Peter Rubtzoff 1967-8-18 5849 Sonoma 6 miles east of Guerneville. Comment
  UCD166314  Saponaria officinalis Peter Rubtzoff 1967-8-18 5849 Sonoma 6 miles east of Guerneville. 18 Comment
  SD254704  Saxifraga mertensiana Ann Howald 2015-4-1 3331 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage. 294 Comment
  UCR265124  Scandix pecten-veneris Ann Howald 2015-4-1 3322 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  RSA52688  Scandix pecten-veneris I. L. Wiggins 1949-4-30 12059 Sonoma Roadside 6.8 miles east of Santa Rosa on road to Calistoga Comment
  CAS-BOT-BC283149  Schedonorus arundinaceus Walter Knight; Irja Knight; J. T. Howell 1987-5-20 6282 Sonoma Northeast corner Llamo and Todd Roads 25 Comment
  SEINET12337134  Schedonorus arundinaceus W. Knight, Knight, I.; Howell, J. T. 1987-1 6282 Sonoma NE corner Llano & Todd roads 26 Comment
  UCD161272  Schoenoplectus acutus var. occidentalis James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3686 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC111529  Schoenoplectus americanus Peter Rubtzoff 1971-9-3 6689 Sonoma Springy area along southeartern border of Spring Creek Reservoir area. Comment
  CAS-BOT-BC111632  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4573 Sonoma Bodega Harbor Marsh; freshwater part. Comment
  CAS-BOT-BC111630  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4580 Sonoma Bodega Harbor Marsh; saline part. Comment
  RSA540068  Schoenoplectus californicus Peter Rubtzoff 1955-8-6 2020 Sonoma Bodega Harbor Marsh Comment
  RSA0019149  Schoenoplectus maritimus Peter Rubtzoff 1955-8-6 2021 Sonoma Bodega Harbor Marsh. Comment
  SD134065  Schoenoplectus mucronatus Peter Rubtzoff, Nancy Harrison 1974-9-7 7872 Sonoma Hinebaugh Creek in Rohnert Park, open wet ground of creek bed west of Commerce Blvd. crossing. Comment
  CAS-BOT-BC111796  Schoenoplectus pungens var. badius Marcus Eugene Jones 1882-7-18 3526 Sonoma Duncan's Mills Comment
  CAS-BOT-BC111797  Schoenoplectus pungens var. badius Marcus Eugene Jones 1882-7-18 3526 Sonoma Duncan's Mills Comment
  CAS-BOT-BC111835  Schoenoplectus tabernaemontani Peter Rubtzoff 1963-8-17 5220 Sonoma Salt marsh near Petaluma River just east of Petaluma Comment
  UCR255465  Scirpus koilolepis Ann Howald 2014-5-2 3001 Sonoma North Coast, c. 1.5 mi southeast of Del Mar Point 23 Comment
  UCR249061  Scirpus maritimus Peter Rubtzoff 1954-8-6 2021 Sonoma Bodega Harbor Marsh 0 Comment
  CAS-BOT-BC111116  Scirpus microcarpus Peter Rubtzoff 1955-8-20 2070 Sonoma Bodega Harbor Marsh. Open damp sandy ground bordering the marsh. Comment
  CAS-BOT-BC111117  Scirpus microcarpus Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch Comment
  UC590004  Scirpus microcarpus H. S. Yates 1936-5-16 5613 Sonoma 1 mi nw Mountain View School; Sebastopol Quad., nw of Mountain View School 91 Comment
  CAS-BOT-BC111115  Scirpus microcarpus John Thomas Howell 1951-5-28 s.n. Sonoma Laguna east of Sebastopol. Comment
  SEINET12050502  Scoliopus bigelovii F. H. Utech 1988-1 88 -233 Sonoma Stewarts Point, ca 1.5 mi E on Stewarts Point Rd (Skaggs Springs Rd) from junction with CA 1 40 Comment
  SEINET12057693  Scoliopus bigelovii F. H. Utech 1990-5-6 s.n. Sonoma Camp Meeker study site Comment
  SEINET12058066  Scoliopus bigelovii F. H. Utech 1988-3-2 88 -011 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  SEINET12058073  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -004 Sonoma ca 0.3 mi WNW of Camp Meeker on Bohemian Road along floodplain of Dutch Bill Creek 50 Comment
  CAS-BOT-BC240035  Scribneria bolanderi John Thomas Howell 1948-4-18 24209 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC240036  Scribneria bolanderi John Thomas Howell 1965-3-25 41034 Sonoma 3 miles se. of Sonoma 76 Comment
  RSA0022396  Scrophularia californica Peter Rubtzoff 1958-5-17 3675 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Rd.) Comment
  CAS-BOT-BC173674  Senecio hydrophilus Peter Rubtzoff 1971-8-9 6636 Sonoma Laguna Lake in Chilano Valley. Comment
  UCD133852  Senecio sylvaticus Frederica Bowcutt 1984-6-23 447 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast.. North of Gerstle Cove about 1/2 mile. Salt Point State Park. 15 Comment
  CAS-BOT-BC80327  Sequoia sempervirens Peter Rubtzoff 1983-7-30 9669 Sonoma Annapolis area, near the road from [Annopolis] Annapolis to the coast, 3.6 miles from Hwy 1 Comment
  YM-YOSE15455  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 Miles South of Santa Rosa in Bennet Valley Comment
  RSA0051276  Setaria Greg de Nevers 1996-9-22 10877 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Mark West Creek at Leslie Creek. 100 Comment
  UCD92681  Setaria faberi David L. Morgan 1958-8-6 s.n. Sonoma Highway 101, Sonoma-Marin County Line. Comment
  CAS-BOT-BC243604  Setaria parviflora Peter Rubtzoff 1971-9-2 6685 Sonoma Todd Road near Stony Point Road Comment
  UCR250224  Setaria parviflora Peter Warner 2013-8-12 295 Sonoma Green Valley Road, 0.15 mi east of junction with Bones and Maddocks Roads 87 Comment
  CAS-BOT-BC240275  Setaria viridis G. DeNevers 1981-6-27 1672 Sonoma Pepperwood Ranch. On a walk up through the Devil's Kitchen. Kellog Ranch. Starting from the bottom of the hill in Franz Valley, along Franz Valley Road. Weed along Franz Valley Road 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
  CAS-BOT-BC240277  Setaria viridis G. DeNevers 1981-6-20 1621 Sonoma Pepperwood Ranch. In Mark West Creek Comment
  UCD92851  Setaria viridis Freed W. Hoffman 1941-7-3 2221 Sonoma Near Guerneville. Comment
  RSA0004218  Sidalcea calycosa Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan s Mills Comment
  RSA94097  Sidalcea calycosa subsp. calycosa J. T. Howell 1945-8-14 21387 Sonoma Perry Marsh Comment
  POM210232  Sidalcea diploscypha H. E. Parks, S. T. Parks 1930-05 625 Sonoma Head of Alexander Valley Comment
  UC108867  Sidalcea diploscypha Katharine Brandegee 1905-6-8 Sonoma bet Santa Rosa Sevastopol; bet Santa Rosa and Sevastopol Comment
  RSA87995  Sidalcea malviflora C. L. Hitchcock 1952-6-4 19584 Sonoma 1 mile N. of Ft Ross. Comment
  SEINET11998343  Sidalcea malviflora C. F. Quibell 1976-1 1356 Sonoma Meacham Hill, Christo fence route 30 Comment
  UCD116782  Sidalcea malviflora Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-20 038 A Sonoma near Bihler Point, Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD116826  Sidalcea malviflora subsp. purpurea Chris Bowen 1974-5-19 134 Sonoma near Pacific Ranch, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA87253  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 s.n. Sonoma Kenwood Marsh about 1/4 mile west of Kenwood Comment
  JEPS45851  Silene californica Eleanor Armstrong 1932-5-28 504 Sonoma 6 mi w of Graton (along Meek[s] grade); w of Graton 60 Comment
  UC1541419  Silene gallica H. E. and S. T. Parks 1930-5-10 846 Sonoma Knights Valley 152 Comment
  SEINET11935783  Silene gallica P. G. Connors 1991-1 Sonoma Bodega Marine Reserve 9 Comment
  UCD98687  Silene gallica Helen K. Sharsmith 1963-5-25 5478 Sonoma on road from Freestone to Occidental. 121 Comment
  CAS-BOT-BC389221  Silene laciniata subsp. californica Nora Pettibone 1894-5-15 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC389231  Silene laciniata subsp. californica Peter Rubtzoff 1952-6-9 1182 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  UCD98975  Silene laciniata subsp. californica Roxana S. Ferris; Laura Lorraine 1961-6-15 13552 Sonoma Green Valley Road, 0.8 mile E of junction with Harrison Grade Road. 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-BC5808  Silene scouleri subsp. grandis Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  HSC81852  Silybum marianum Thomas W. Nelson, Jane P. Nelson 1980-5-3 5129 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 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
  CAS-BOT-BC75374  Sisymbrium officinale G. DeNevers 1981-4-20 746 Sonoma Pepperwood Ranch. Toe of Horse Hill. Pippingdale farm. BLM. Comment
  JEPS128208  Sisyrinchium bellum Roger Raiche 2000-4-20 038 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  POM169048  Sisyrinchium bellum A. A. Heller, H. E. Brown 1902-3-26 5154 Sonoma Santa Rosa Creek. 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-BC166972  Solanum Peter Rubtzoff 1954-9-6 1734 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC164413  Solanum Peter Rubtzoff 1965-9-11 5649 Sonoma Russian River margin at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD166506  Solanum americanum Peter Rubtzoff 1958-8-9 3837 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC344874  Solidago Peter Rubtzoff 1961-9-6 4745 Sonoma 2 miles northeast of Freestone. Comment
  CAS-BOT-BC354317  Solidago Peter Rubtzoff 1955-8-27 2097 Sonoma Bennett Mountain Lake. Comment
  POM40283  Solidago californica Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  RSA787117  Solidago californica J. C. Semple, S. Heard 1986-8-20 8578 Sonoma CA-1 between Valley Ford and Bodega Bay about 1 km N of road to Sebastopol. Comment
Read comments
Feb 6 2013
  SEINET11807361  Solidago occidentalis W. Knight, Knight, I. 1984-1 5428 Sonoma Willow Creek Rd 61 Comment
  CAS-BOT-BC365656  Solidago spathulata Roxana S. Ferris 1937-8-19 9378 Sonoma 1.5 miles north of Fort Ross on State Highway #1 Comment
  CAS-BOT-BC365657  Solidago spathulata John Thomas Howell 1945-8-14 21409 Sonoma Perry Marsh Comment
  CAS-BOT-BC365655  Solidago spathulata Mary P. Wells 1972-8-4 s.n. Sonoma The Sea Ranch Comment
  CAS-BOT-BC365270  Solidago velutina subsp. californica Walter Knight; Irja Knight; Tiffany Knight; S. W. Edwards 1985-7-21 6357 Sonoma Pine Flat Road 304 Comment
  CAS-BOT-BC365268  Solidago velutina subsp. californica Walter Knight; Irja Knight 1963-9-22 109 Sonoma Near jct. Mark West Rd. and Calistoga Rd. Comment
  RSA0036022  Solidago velutina subsp. californica Peter Rubtzoff 1961-9-6 4745 Sonoma 2 miles northeast of Freestone. Comment
  POM51894  Soliva sessilis Katherine Brandegee 1905-07 s.n. Sonoma Bodega. Comment
  UCD32631  Soliva sessilis Beecher Crampton 1954-6-24 2005 Sonoma Sonoma - Napa County: 5 miles northeast Calistoga, along highway 128, in roadbed. Comment
  UCD136182  Sonchus oleraceus Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-7-2 103 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owner's Map. Comment
  CAS-BOT-BC236591  Sorghum halepense David L. Morgan 1956-7-7 s.n. Sonoma On Stage Gulch Road, 2 1/2 mi. NW of Lakeville Comment
  RSA121037  Sparganium erectum subsp. stoloniferum J. T. Howell 1955-8-6 30891 Sonoma 1 mile southeast of Bloomfield on road to Two Rock. Comment
  CAS-BOT-BC390048  Spergula arvensis Barbara Stuart Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  RSA0098145  Spergularia macrotheca E. A. Purer 1932-7-21 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC390515  Spergularia macrotheca var. macrotheca Walter Knight; Irja Knight 1963-8-13 139 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC390516  Spergularia macrotheca var. macrotheca Alice Eastwood 1915-6-29 4796 Sonoma Bodega Point Comment
  CAS-BOT-BC390517  Spergularia macrotheca var. macrotheca Alice Eastwood 1921-5-8 10456 Sonoma Petaluma Comment
  CAS-BOT-BC390975  Spergularia marina G. B. Rossbach; R. P. Rossbach 1938-5-27 630 Sonoma Bodega Bay Comment
  CAS-BOT-BC390976  Spergularia marina G. B. Rossbach; R. P. Rossbach 1938-5-27 630 Sonoma Bodega Bay Comment
  UC1563939  Spergularia rubra Barbara Ertter 1988-11-5 8027 Sonoma ca. 5 air mi due s Cloverdale (point below Little Flat parking area w of bridge); Lake Sonoma 152 Comment
  UCD160119  Spergularia rubra James A. Neilson Jr. 1973-6-3 2995 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC390733  Spergularia rubra Alice S. M. McKenzie 1980-12-26 23 Sonoma Coast between Russian and Gualala Rivers. State Hwy 1 at Timber Cove Comment
  CAS-BOT-BC354328  Spiranthes Peter Rubtzoff 1969-6-27 6103 Sonoma Field redacted by CAS, contact the data manager for more information 426 Comment
  UC25968  Stachys ajugoides var. rigida Harley P. Chandler 1900-5-25 Sonoma Bodega Bay Comment
  UCD160979  Stachys albens James A. Neilson Jr. 1975-7-8 3403 Sonoma Mayacmas Mountains. Socrates Mine. (Elevation and coordinates estimated by label maker.) 914 Comment
  POM252831  Stachys emersonii A. A. Heller 1938-5-14 s.n. Sonoma Just east of Bodega Bay. Comment
  UCD125569  Stachys rigida var. quercetorum Rimy Waraich; Patti Togioka 1993-5-8 234 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 365 Comment
  UCD126030  Stachys rigida var. rigida J. Adams; J. Weick 1993-5-8 283 Sonoma about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Sugarloaf Ridge State Park. Comment
  CAS-BOT-BC175333  Stellaria borealis subsp. sitchana Milo S. Baker 1928-4-28 3011 Sonoma Pitkin Swamp Comment
  UCR74759  Stipa formicarum M. E. Barkworth, D. Amme 1989-6-15 5170 Sonoma c. 2 mi north of Jenner on US Hwy 1 70 Comment
Read comments
Aug 4 2008
  NY431575  Stipa pulchra A. A. Heller 1902-4-9 5252 Sonoma 3 miles south of Healdsburg Comment
  CAS-BOT-BC61146  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
  UC1492714  Streptanthus barbiger Freed W. Hoffman 1948-6-16 2341 Sonoma Dorr's Cabin North Coast Ranges, upper East Austin Creek Comment
  UC1292755  Streptanthus glandulosus Freed W. Hoffman 1947-6-4 1066 Sonoma near Dorr's Cabin, East Austin Creek Comment
  JEPS128292  Streptanthus glandulosus subsp. hoffmanii Roger Raiche 2009-4-30 030 .09 Sonoma The Cedars. Lower Russian River, East Austin Creek watershed. Comment
  JEPS128312  Streptanthus glandulosus subsp. hoffmanii Roger Raiche 2000-5-21 105 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC87240  Streptanthus glandulosus subsp. hoffmanii James L. Reveal 1988-6-1 6975 a Sonoma Along Geysers Road, 12.5 miles north of California Highway 128 and 15.5 miles east of US Highway 101. 762 Comment
  NY185747  Streptanthus glandulosus subsp. secundus F. W. Hoffman 1948-6-8 2323 Sonoma North Coast Ranges; Great Eastern Quicksilver Mine near Guerneville Comment
  RSA29978  Streptanthus glandulosus subsp. secundus Lincoln Constance 1942-5-10 2863 Sonoma Sonoma County: 4 miles N of Geyserville. 61 Comment
  UC1492747  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1951-5-24 3861 Sonoma Blue Knoll North Coast Ranges, Ungewitter Ranch (w of Cazadero) Comment
  UC985965  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-17 2342 Sonoma Herr road above Armstrong Woods; North Coast Ranges Comment
  CAS-BOT-BC87301  Streptanthus glandulosus subsp. sonomensis Greg de Nevers 1987-5-11 8181 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 400 Comment
  CAS-BOT-BC87294  Streptanthus glandulosus subsp. sonomensis Peter Rubtzoff 1952-6-1 1134 Sonoma Fitch Mountain Grove, near Healdsburg. Comment
  RSA799982  Symphoricarpos Peter Rubtzoff 1970-6-14 6259 Sonoma On River Road about 3 miles W of Fulton. Comment
  CAS-BOT-BC540810  Symphoricarpos Peter Rubtzoff 1959-5-31 4075 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC540812  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  CAS-BOT-BC269628  Symphoricarpos albus var. laevigatus Barbara Stuart Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  CAS-BOT-BC97829  Symphyotrichum chilense L. R. Abrams 1907-8-1 s.n. Sonoma Sebastopol Comment
  UCD38979  Symphyotrichum lanceolatum var. hesperium Beecher Crampton 1960-11-30 5811 Sonoma 1 mile east of Vineburg. Comment
  CDA10942  Synthyris cordata G. F. Hrusa, G. L. Stebbins 1994-3-28 11700 Sonoma North Coast Biodiversity Arena; Along Austin Creek, 4.3 m. Adjacent to East Austin Cr. Rd. on E side of Creek. 0 Comment
  UC1103198  Taeniatherum caput-medusae Joseph P. Tracy 1935-7-7 14049 Sonoma on road between the Geysers and Geyserville (Northern Coast Ranges); Northern Coast Ranges 609 Comment
  UC58232  Tellima grandiflora A. A. Heller 1903-4-23 6612 Sonoma Fort Ross Comment
  UC796642  Thermopsis californica var. californica Ira L. Wiggins 1949-4-30 12058 Sonoma roadside 6.8 mi e Santa Rosa (on road to Calistoga) Comment
  CAS-BOT-BC66803  Thysanocarpus curvipes John Thomas Howell 1929-6-9 4299 Sonoma 2 miles north of Sonoma. Comment
  CAS-BOT-BC66827  Thysanocarpus curvipes Ira L. Wiggins 1949-4-30 12069 A Sonoma 4 miles west of Calistoga. Comment
  CHSC22759  Thysanocarpus curvipes var. elegans Robert A. Schlising 1962-3-31 2125 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  SEINET11987373  Thysanocarpus curvipes var. elegans R. A. Schlising 1962-1 2125 -d Sonoma along Cavedale Road, 1 mi E of Hwy 12 Comment
  UC11048  Thysanocarpus radians Alice King Apr., 1897 Sonoma Healdsburg Comment
  UCSB11518  Tiarella trifoliata var. unifoliata Dearing, Hugh; Dearing, Margaret 1939-5-15 Sonoma north of Fort Ross Comment
  UC1101052  Tofieldia occidentalis subsp. occidentalis Herbert L. Mason 1946-7-4 12887 Sonoma Pitkin Marsh, between Santa Rosa and Forestville 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
  UCD128150  Torilis arvensis Frederica Bowcutt 1994-6-12 1862 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
  UC1090390  Torreya californica Milo S. Baker 1957-5-10 13097 Sonoma Junior College Campus North Coast Ranges, Santa Rosa Comment
  JEPS26840  Tragopogon dubius Rimo Bacigalupi 1961-5-21 7703 Sonoma se of Pinecrest school (within city limits of Sebastopol); Sebastopol 64 Comment
  UCD136893  Tragopogon porrifolius Gerry North 1993-4 36 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 E of foot bridge. 365 Comment
  CAS-BOT-BC376268  Tribulus terrestris Greg de Nevers 1995-7-4 10758 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek 487 Comment
  SEINET8729726 Image available Trientalis europaea var. latifolia Martha Meagher 1947-1 102 Sonoma County road one-half mile west of Freezeout Creek, across Russian River from Duncan's Mills. Comment
  UCD117567  Trientalis latifolia F. Bowcutt 1994-5-1 1756 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. Along Sonoma Creek just E of Bear Creek near bridge over Sonoma Creek. On Goodspeed trail about 30 yards from trail head. Along Sonoma Creek. 198 Comment
  SEINET11971029  Trientalis latifolia Unknown 1947-1 102 Sonoma 0.5 mi W of Freezeout Creek, across Russian River from Duncans Mills Comment
  CAS-BOT-BC173639  Trifolium Peter Rubtzoff 1974-5-26 s.n. Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC173640  Trifolium Peter Rubtzoff 1974-5-25 7464 Sonoma Upper Green Valley Marsh. Comment
  UCD164104  Trifolium Peter Rubtzoff; Nancy Harrison 1978-5-20 9188 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC166753  Trifolium Peter Rubtzoff 1976-5-30 8554 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC173557  Trifolium Peter Rubtzoff 1974-5-18 7418 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173629  Trifolium Peter Rubtzoff 1974-5-18 7430 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA784999  Trifolium Peter Rubtzoff 1976-5-30 8556 Sonoma Kenwood Marsh Comment
  UCSC010635  Trifolium R. Morgan 2014-5-12 5637 d Sonoma Bodega Head Comment
  UCD107340  Trifolium albopurpureum Botany 102 Students 1993-5-8 242 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Meadow Creek. 396 Comment
  JEPS65855 Image available Trifolium amoenum Joseph P. Tracy 1921-5-13 5548 Sonoma near Petaluma; Northern Coast Ranges 15 Comment
  OBI12720  Trifolium amoenum Robert F. Hoover 1969-1 Sonoma Comment
  UC1392609  Trifolium amoenum R. F. Hoover 1969-5-26 11349 Sonoma 2 mi s Petaluma (on Point Reyes Rd) Comment
  RSA32762  Trifolium amoenum A. A. Heller 1940-5-17 s.n. Sonoma Hwy 1, 2 miles west of Valley Ford Comment
  UCSC006120  Trifolium amoenum Randall Morgan 1996-1 Sonoma Comment
  UC630865  Trifolium barbigerum P. B. Kennedy 1915-5-31 Sonoma Anapolis Comment
  UC750533  Trifolium bifidum var. decipiens Lewis S. Rose 1947-5-9 47135 Sonoma Occidental Comment
  UCD107904  Trifolium bifidum var. decipiens A. A. Heller; H. E. Brown 1902-4-15 5293 Sonoma Santa Rosa. Comment
  UCSC006095  Trifolium buckwestiorum Randall Morgan 1996-5-18 2953 Sonoma Seed from near Two Rock Comment
  UCD35303  Trifolium depauperatum Beecher Crampton 1955-4-5 2408 Sonoma 2 miles west of Fulton, along Woolsey Road. Comment
  UCSC005278  Trifolium depauperatum var. hydrophilum Randall Morgan 1995-5-18 2617 Sonoma Santa Rosa, Stony Point Road, across from Yuba Drive Comment
  UCSC000424  Trifolium dichotomum Charisse Bickford 1979-4-20 s.n. Sonoma Cloverdale Comment
  UC1026471  Trifolium dubium Peter Rubtzoff 1951-7-14 439 Sonoma near Forestville (s half of lower marsh, near hwy); Pitkin Marsh Comment
  UCD165154  Trifolium gracilentum Peter Rubtzoff 1974-5-18 7429 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CDA36945  Trifolium hirtum CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCD109771  Trifolium hirtum Frederica Bowcutt 1994-6-12 1854 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 75 yards, N of Adobe Canyon Road up Pony Gate Trail. 426 Comment
  UCD165133  Trifolium hydrophilum Peter Rubtzoff 1974-5-11 7403 Sonoma Laguna de Santa Rosa east of Sebastopol (south of Hwy. 12 crossing). Comment
  UC16904  Trifolium incarnatum unknown 1894-5-4 Sonoma Lytton Springs Healdsburg Comment
  UCD111243  Trifolium incarnatum Michael A. Vincent; Ethan H. Freid 1998-4-7 8170 Sonoma Cloverdale. Along S. Cloverdale Blvd., just of Rt. 101 exit. Comment
  UC16619  Trifolium microcephalum H. N. Bolander 1864-1 3852 Sonoma Russian River Bed Comment
  UC631549  Trifolium microcephalum P. B. Kennedy 1915-5-31 Sonoma Anapolis Comment
  UCD111423  Trifolium microcephalum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 63 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
  SEINET9336961  Trifolium microdon Unknown 1967-5-15 7926 Sonoma Foothill slopes, serpentine soils. Comment
  CDA31340  Trifolium repens D. G. Kelch, Ed Biffin 2010-5-3 10 .212 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCD109332  Trifolium tomentosum P. G. Connors 1966-5-12 366 Sonoma west of Sonoma Creek, 8 km south of Sonoma. Comment
Read comments
Feb 19 2013
  SEINET10829861  Trifolium truncatum A. Arthur Heller, H. E. Brown 1902-4-22 Heller s.n. Sonoma Between Santa Rosa and Agua Caliente. Comment
  UCD150135  Trifolium variegatum Ayzik Solomeshch 2009-5-13 s.n. Sonoma West edge of city of Santa Rosa, S of Hwy 12 and just E of S Wright Rd. San Jones wetland, sampling pool #1. 31 Comment
  UC70390  Trifolium variegatum var. variegatum Milo S. Baker 1898-5-7 587 Sonoma near Glen Ellen Comment
  RSA51332  Trifolium variegatum var. variegatum Peter H. Raven 1950-4-6 1609 Sonoma Lower slopes of Rincon Ridge, 4 miles to Sonoma from Santa Rosa. 244 Comment
  POM21427  Trifolium willdenovii A. A. Heller, H. E. Brown 1902-4-9 5238 Sonoma Three Miles South of Healdsburg. Comment
  SEINET12164401  Trifolium willdenovii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -169 Sonoma 0.6 mi from junction of Harrison Grade Road on Stoetz Lane 191 Comment
  CDA28069  Trifolium wormskioldii M. S. Bergseng 1959-8-4 3809 Sonoma Sonoma Coast State Park. 0 Comment
  RSA94345  Trifolium wormskioldii Peter Rubtzoff 1951-7-8 400 Sonoma Pitkin Marsh, near Forestville: Lower part of Upper Marsh Comment
  UCD165156  Trifolium wormskioldii Peter Rubtzoff 1974-5-19 7440 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC520851  Trillium albidum Greg de Nevers 1993-4-6 10358 Sonoma Pepperwood Ranch Natural Preserve: 3450 Franz Valley Road 304 Comment
  UC1084348  Trillium albidum G. Thomas Robbins 1937-3-25 2 Sonoma Sonoma Creek Bennett Valley, Sonoma Creek Comment
  UCR255036  Trillium ovatum Greg de Nevers 1998-4-30 11222 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA178023  Trillium ovatum Robert F. Thorne 1965-4-19 34314 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 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
  UC1239030  Triphysaria eriantha subsp. eriantha Freed W. Hoffman 1947-4-7 1914 Sonoma near Windsor; North Coast Ranges Comment
  UC27182  Triphysaria eriantha subsp. eriantha F. T. Bioletti May 1892 Sonoma Shellville Comment
  UC726142  Triphysaria eriantha subsp. eriantha A. A. Heller 1940-4-22 15552 Sonoma between East Windsor and West Windsor; btw East Windsor and West Windsor 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
  UC1222442  Triphysaria versicolor subsp. faucibarbata Joseph P. Tracy 1931-3-29 9321 Sonoma Knights Valley; Northern Coast Ranges, Knights Valley 152 Comment
  UC138992  Triphysaria versicolor subsp. faucibarbata J. W. Congdon 1880-6-6 Sonoma Petaluma Comment
  RSA784397  Trisetum canescens Peter Rubtzoff 1971-6-25 6570 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  UC651086  Trisetum canescens P. B. Kennedy June 1915 Sonoma Del Mar; n Sonoma County Comment
  UCD148402  Trisetum canescens Peter Rubtzoff 1958-5-30 3683 Sonoma Duncans Mills Marsh. Comment
  UCD36683  Trisetum canescens Beecher Crampton 1955-6-17 2931 Sonoma Sonoma County, 3.3 miles west of Forestville, along State Highway 12. Comment
  UCD93492  Trisetum canescens Beecher Crampton 1953-5-19 1297 Sonoma Sonoma County, 5 miles west of Calistoga, on Highway 128, at Napa County line. Comment
  UCD93631  Trisetum canescens R. Tofsrud 1941-4-1 146 Sonoma Near Santa Rosa. Comment
  UCR280141  Trisetum canescens Peter Rubtzoff 1971-6-25 6570 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  CAS-BOT-BC522361  Triteleia hyacinthina Peter Rubtzoff 1966-6-5 5762 A Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerville roads. Comment
  SEINET7067336  Triteleia laxa A. G. Vestal 1947-5-16 s.n. Sonoma About 6.7 miles East of Windsor on Mendocino Avenue. Coordinate datum: NAD27. UTM Zone 10, 523728mE, 4258330mN. Comment
  UC421780  Triteleia laxa Milo S. Baker 1898-6-1 590 Sonoma Cemetery Hills Santa Rosa 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
Read comments
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
  RSA540084  Triteleia tubergenii Peter Rubtzoff, Rimo C. Bacigalupi 1971-6-10 6526 Sonoma South side of W Railroad Ave between Hwy 101 and Stony Point Road Comment
  SD134045  Triteleia tubergenii Peter Rubtzoff, Rimo Bacigalupi 1971-6-10 6526 Sonoma Grassy flat on south side of West Railroad Avenue, between Freeway 101 and Stony Point Road. Comment
  UCD93312  Triticum aestivum Frederica Bowcutt 1997-7-19 2188 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 1 air mile S of Red Mountain. Edge of service road just SW of group campground. Adobe Canyon near trailhead to Meadows Trail. 396 Comment
  CAS-BOT-BC74109  Turritis glabra John F. Emmel 1971-5-8 348 Sonoma Above Mark West Springs Road along Mark West Creek, 0.5 mile south of Mark West Springs. 146 Comment
  SD134038  Typha angustifolia Peter Rubtzoff 1971-7-20 6603 Sonoma Sebastopol - Santa Rosa Hwy. near Wright Road. Ditch Comment
  RSA540052  Typha latifolia Peter Rubtzoff 1964-8-20 5459 Sonoma Americano Creek area. On Petaluma-Valley Ford Road near Bloomfield. Comment
  CAS-BOT-BC91282  Umbellularia californica Walter Knight; Irja Knight 1963-12-27 476 Sonoma Summit, Pine Flat Road. Comment
  CAS-BOT-BC91283  Umbellularia californica Walter Knight; Irja Knight 1964-11-15 774 Sonoma Hood's Peak at Johnson Lake. Comment
  UC635504  Umbellularia californica H. L. Mason Nov 26 1925-Nov 27 1925 2492 Sonoma Monte Rio, Russian River Russian River; Monte Rio, Russian River 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-BC403984  Urtica dioica subsp. gracilis Peter Rubtzoff 1962-5-30 4854 Sonoma Freestone Marsh Comment
  CAS-BOT-BC404239  Urtica dioica subsp. holosericea Peter Rubtzoff 1954-8-2 1624 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC404240  Urtica dioica subsp. holosericea Peter Rubtzoff 1959-6-13 4116 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC404242  Urtica dioica subsp. holosericea Peter Rubtzoff 1954-7-27 1588 Sonoma Guerneville Marsh Comment
  POM166169  Urtica dioica subsp. holosericea A. A. Heller 1902-6-24 5759 Sonoma Near Burke's Sanitarium Comment
  UC848741  Urtica dioica subsp. holosericea Marcus E. Jones, A. M. 1882-7-17 3483 Sonoma Duncan Mills Comment
  CAS-BOT-BC404229  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-9-13 5503 Sonoma Clear Lake State Park, along Cole Creek 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
  UC1121134  Vaccinium ovatum E. Armstrong 1934-3-26 948 Sonoma Camp Meeker Sebastopol Quad. 91 Comment
  UC634727  Vaccinium ovatum H. L. Mason 1928-4-8 4289 a Sonoma 2 mi n Fort Ross Comment
  CAS-BOT-BC135764  Veratrum fimbriatum John H. Thomas 1976-6-15 18279 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC156315  Verbascum Peter Rubtzoff 1955-7-17 1976 Sonoma [Guernerville] Guerneville Marsh Comment
  CAS-BOT-BC156316  Verbascum Peter Rubtzoff 1954-8-11 1687 Sonoma [Guernerville] Guerneville Marsh Comment
  CAS-BOT-BC156317  Verbascum Peter Rubtzoff 1962-6-22 4959 Sonoma Fife Creek Marsh Comment
  SEINET12329982  Verbascum blattaria F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -152 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 80 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
  CDA29821  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15682 a Sonoma North Coast Biodiversity Arena; Along Leslie Creek approx. 1/4 mi. above Mark West Springs road crossing. Sheet 3 of 3. Comment
  SJSU4770  Verbena litoralis W. A. Lordge 1963-11-2 21 Sonoma Fort Ross Comment
  CAS-BOT-BC164366  Veronica Peter Rubtzoff 1955-5-7 1825 Sonoma Guerneville Marsh. Comment
  UCD166504  Veronica Peter Rubtzoff 1959-4-18 4025 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of the Guerneville road crossing. Comment
  UCD166171  Veronica Peter Rubtzoff 1969-6-14 6082 Sonoma Vernal pool 6.5 mi. northeast of Penngrove on Lichau Road. 426 Comment
  RSA786487  Veronica americana Peter Rubtzoff 1959-6-20 4172 Sonoma Willow Creek Marsh. Comment
  UCR255034  Veronica peregrina Greg de Nevers 1998-4-21 11159 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS81725  Veronica scutellata Rimo Bacigalupi with members of the California Botanical Society 1958-5-24 6362 Sonoma n of Sebastopol (at Pitkin Marsh); Vine Hill region, Pitkin Marsh 60 Comment
  SEINET4965652  Vicia gigantea Unknown 1994-4-3 69 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; vicinity of Sea Ranch Airstrip Comment
  UC764641  Vicia gigantea R. F. Hoover 1941-5-14 5098 Sonoma sw of Occidental (near Joy District School) Comment
  CHSC33020  Vicia sativa Jane A. Rogers 1979-4-14 5 Sonoma Ca. 50 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
  JEPS73355  Vicia sativa Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 758 Sonoma 1 mi w Two Rock Junction Comment
  UCSC000433  Vicia sativa subsp. nigra John Thomas Howell 1946-3-31 s.n. Sonoma Near Sonoma Comment
  UCD110664  Viola adunca subsp. adunca Mary M. Hektner 1974-6-24 64 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD110688  Viola douglasii L. Whitney 1932-4-1 s.n. Sonoma Santa Rosa. Vine Hill. Comment
  CAS-BOT-BC536904  Viola glabella Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  UC1762486  Viola lobata subsp. integrifolia Milo S. Baker 1942-6-11 10205 Sonoma Spring Mt. Rd. near Summit. 457 Comment
  JEPS72654  Viola lobata subsp. lobata Gladys L. Smith April 1971 Sonoma Redwood forest at Sturgeon's Mill 304 Comment
  UCD110694  Viola ocellata Frederica Bowcutt 1996-5-22 2143 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 1.25 air miles SW of Red Mountain. Along Canyon Trail near lower elev trailhead. Just N of Sonoma Creek. Down slope of Adobe Canyon Road. 231 Comment
  UCD110696  Viola ocellata Thomas Miller 1976-5-8 25 Sonoma Canyon 3 Creek. 1.1 miles N of River Road and Russian River. 106 Comment
  UC19318  Viola pedunculata Davy May 1888 Sonoma Russian River below Guerneville; Russian River Comment
  UC1761388  Viola purpurea subsp. quercetorum Elmer I. Applegate 1934-3-25 8852 Sonoma Pine Flat region Comment
  UC1761661  Viola sempervirens Mary Eloise Bauder 1929-5-25 3 Sonoma Pocket Canyon Guerneville Comment
  UC75664  Viola sempervirens Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  UC337767  Viola sempervirens unknown 1892-5-4 Sonoma Armstrong Park Comment
  CAS-BOT-BC203131  Vitis californica James McMurphy 1908-9-27 s.n. Sonoma Mark West Creek Comment
  UC18631  Vitis californica H. N. Bolander June, 1867 Sonoma Cloverdale Russian River (banks of river) Comment
  UC419014  Vitis californica H. E. and S. T. Parks 1930-8-20 693 Sonoma Maacama Creek Comment
  UCD17549  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma 2 miles N on Upper Lake Highway, E of Ukiah. Near first highway bridge. Comment
  OBI75822  Vitis vinifera David Burgess 1967-11-25 13 Sonoma 6 mi NE of Santa Rosa Comment
  CAS-BOT-BC199901  Vulpia bromoides G. DeNevers 1981-4-2 619 Sonoma Cows Udder. In N arm of Garrison Canyon Comment
  CAS-BOT-BC199914  Vulpia bromoides Peter Rubtzoff 1951-7-7 372 Sonoma Eastern branch of the Upper Marsh Comment
  RSA0065161  Vulpia microstachys Greg de Nevers 1997-4-24 10963 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  JEPS45823  Vulpia microstachys var. ciliata Eleanor Armstrong 1932-6-4 187 Sonoma 3 mi w Graton; Schlackley Flat 30 Comment
  UC971688  Vulpia microstachys var. ciliata Leo Koch 1940-4-22 835 Sonoma Geysers; Sulfur Creek Canyon Comment
  CAS-BOT-BC184133  Vulpia microstachys var. microstachys G. DeNevers 1981-6-18 1578 Sonoma W arm of Garrison Canyon Comment
  CAS-BOT-BC184595  Vulpia microstachys var. pauciflora Leo Koch 1939-4-16 585 Sonoma Ca. 7 mi. from Petaluma to Marshalls Comment
  CAS-BOT-BC184596  Vulpia microstachys var. pauciflora Greg de Nevers 1990-5-1 9669 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. West of Three Tree Hill 457 Comment
  CAS-BOT-BC184597  Vulpia microstachys var. pauciflora Greg de Nevers 1990-5-1 9669 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. West of Three Tree Hill 457 Comment
  UCD151153  Vulpia myuros James A. Neilson Jr. 1973-6-7 2964 Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 441 Comment
  UCD94897  Vulpia myuros David L. Morgan 1956-4-19 s.n. Sonoma Gold Ridge Rd., 4 miles W of Sebastopol. Comment
  UC903742  Vulpia myuros var. hirsuta Milo S. Baker 1947-5-5 11725 Sonoma s slope Hood Mt. (above Baker ranch) 213 Comment
  CAS-BOT-BC185957  Vulpia octoflora var. octoflora Greg de Nevers 1997-5-8 10995 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CDA2702  Watsonia bulbillifera G. D. Barbe, T. C. Fuller 1972-6-28 950 Sonoma Along north side of Coleman Road, 0.9 to 1.1 miles (1.5 to 1.8 km) west of Occidental. 0 Comment
  CAS-BOT-BC128702  Whipplea modesta D. E. Breedlove 1980-6-28 44799 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CDA25512  Whipplea modesta G. D. Barbe 1982-5-27 3625 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment
  JEPS76929  Whipplea modesta Robert M. Lloyd 1963-2-24 2050 Sonoma 0.5 mi n Occidental (on road to Camp Meeks, abandoned picnic ground) 45 Comment
  UC858950  Whipplea modesta Marcus E. Jones, A. M. 1882-7-17 2658 Sonoma Duncan's Mills Comment
  CAS-BOT-BC371458  Wyethia angustifolia Greg de Nevers 1989-4-1 9063 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC383259  Wyethia angustifolia Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC383258  Wyethia angustifolia Peter Rubtzoff 1951-8-26 681 Sonoma Hills south of Guerneville (Neeley Hill area) Comment
  CAS-BOT-BC383330  Wyethia glabra D. E. Breedlove 1962-6-6 2901 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC383332  Wyethia glabra J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma Comment
  RSA51318  Wyethia glabra P. H. Raven 1950-4-6 1596 Sonoma Beyond Santa Rosa to Rincon Ridge. 183 Comment
  UC485124  Wyethia glabra H. P. Chandler 1907-4-21 7527 Sonoma Glen Ellen to Oakville Comment
  UCD139955  Xerophyllum tenax P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC529144  Xerophyllum tenax A. T. Graff 1923-6-7 s.n. Sonoma Trospers Comment
  UC952860  Zannichellia palustris Milo S. Baker 1957-6-1 12351 Sonoma e. Santa Rosa (ditch near Montgomery Rd. ca. 1/2 or 3/4 mi. w. of Mellita Bridge) Comment
  UCD151255  Zeltnera trichantha James A. Neilson Jr. 1974-7-10 2838 Sonoma Mayacmas Mountains. Little Geysers. (Elevation estimated using Google Earth by label maker.) 731 Comment
  UCD151297  Zeltnera trichantha James A. Neilson Jr. 1974-7-25 3046 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 Comment
  CAS-BOT-BC530400  Zigadenus fremontii Milo S. Baker 1924-3-26 406 Sonoma 2 mi north Catali. North Coast Trip Comment
  CAS-BOT-BC530598  Zigadenus fremontii Carl Meyer 1928-3-3 305 Sonoma Santa Rosa Comment
  CAS-BOT-BC530621  Zigadenus fremontii Dorothy Scherer 1996-3-16 009 Sonoma west facing slope. Ca 800' south of Hwy 1 mileage marker 33:00 and ca 100' west, Fort Ross State Historical Park. Comment
  SEINET12048681  Zigadenus fremontii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -098 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  SEINET12049797  Zigadenus fremontii F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -233 Sonoma end of Stoetz Road 200 Comment
  RSA177999  Zigadenus micranthus Robert F. Thorne 1965-4-19 34285 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment



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