Search Results — 2000 specimen records retrieved (1278 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=SONOMA; Source=All;   

Mapping Options:

BerkeleyMapper with county and bioregion layers
BerkeleyMapper without layers.
KML export
(Note: only records with coordinates are mappable)

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

PLEASE NOTE: Due to changes in newer versions of Excel, directly copying text from the above selected results does not produce a usable table.
    Follow these steps:
      1. The contents of the selected results window must be copied into a text editor like TextEdit for Mac or WordPad for Windows
      2. The selected results must be saved as a new text document.
      3. This new text document can now be copied into Excel or imported as a tab delimited text file.

(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.

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78076  Abies grandis Walter Knight; Irja Knight 1984-8-18 5018 Sonoma Gualala Point Regional Park over-looking Gualala River Comment
  RSA0025741  Abronia latifolia J. R. Bruff 1936-07 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC177030  Acacia dealbata Catherine Best 1982-10-14 s.n. Sonoma On Trinity Road about 6 miles north-west of Sonoma Comment
  CAS-BOT-BC177031  Acacia dealbata Walter Knight; Irja Knight 1990-3-22 6585 Sonoma Petaluma, on North N. McDowell between Palo Verde Dr. and Sunrise Dr. on west side of road Comment
  UC1084469  Acaena pinnatifida var. californica G. Thomas Robbins 1937-6-6 234 Sonoma hills 2 - 3 mi. e. Bodega Bay Comment
  UC718032  Acer macrophyllum Carl B. Wolf 1933-9-27 5513 Sonoma on rd to Calistoga 2 mi se Kellogg; se of Kellogg 91 Comment
  UC1084475  Acer negundo var. interior G. Thomas Robbins 1937-6-18 244 Sonoma Santa Rosa Santa Rosa Creek, Santa Rosa (bed of Santa Rosa Creek) Comment
  SD41359  Achillea millefolium Edith A. Purer 1932-7-24 4075 Sonoma Near Bodega Bay. Comment
  POM55392  Achillea millefolium A. A. Heller, H. E. Brown 1902-4-17 s.n. Sonoma Hills at Santa Rosa Comment
  UCD128307  Achillea millefolium Mary M. Hektner 1976-12-14 277 Sonoma onto Walk-On-Beach; unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CLARK-A1528-2275  Achlys triphylla John C. Roos 1957-7-2 6646 Sonoma Millers Ridge Comment
  JEPS47752  Achlys triphylla subsp. triphylla Alice Louise Griffin 1924-8-7 Sonoma Stewart's Point Comment
  JEPS128216  Acmispon brachycarpus Roger Raiche 2000-5-4 057 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  NY380622  Acmispon gracilis A. A. Heller 1902-6-24 5754 Sonoma Near Burke's Santarium Comment
  UCD144411  Acmispon nevadensis G. F. Hrusa 1993-6-24 11238 Sonoma Mt. San Jacinto State Park. Common, flowers pale yellow. Comment
  CAS-BOT-BC30276  Adenocaulon bicolor A. A. Heller 1902-6-26 5771 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  OBI20359  Aesculus californica Dave Morse 1972-7-29 4 Sonoma One mile NE of Cloverdale, on hwy 128 91 Comment
  OBI70628  Aesculus californica Tracey & Viola Call, Viola Call 1961-6-10 2072 Sonoma On Russian river near Forestville 61 Comment
  UCD160133  Agoseris grandiflora James A. Neilson Jr. 1973-6-7 2945 a Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 365 Comment
  CAS-BOT-BC22787  Agoseris heterophylla G. DeNevers 1981-5-30 1408 Sonoma Pepperwood Ranch. Bertoli Property, E slope of Horse Hill Comment
  CAS-BOT-BC22788  Agoseris heterophylla G. DeNevers 1981-4-25 829 Sonoma Pepperwood Ranch, lower Pepperwood entrance Comment
  POM180621  Agoseris hirsuta J. T. Howell 1930-6-8 5268 Sonoma North end of Bodega Bay. Comment
  CAS-BOT-BC210017  Agrostis Peter Rubtzoff; H. A. Froebe 1971-5-30 6501 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC210018  Agrostis Peter Rubtzoff 1968-6-19 5889 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  CAS-BOT-BC376232  Agrostis Greg de Nevers 1992-6-26 10210 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  RSA785753  Agrostis Peter Rubtzoff 1974-5-25 7461 Sonoma Upper Green Valley Marsh. Comment
  SEINET10717807  Agrostis P. Rubtzoff 1968-7-13 Rubtzoff 5918 Sonoma Upper Salmon Creek Marsh. Comment
  UCD55663  Agrostis Beecher Crampton Date Unknown Sonoma Barker Hill. Comment
  UC1026476  Agrostis alba Peter Rubtzoff 1951-7-8 389 Sonoma lower part of the upper Pitkin Marsh (near Forestville) Comment
  UCD51844  Agrostis blasdalei Beecher Crampton 1957-7-11 4352 Sonoma above Blind Beach just south of Goat Rock, Sonoma Coast State Park, 9 miles north of Salmon Creek. Comment
  UCD51994  Agrostis densiflora Beecher Crampton 1957-7-11 4321 Sonoma Sonoma Coast State Park, 1/2 mile north of Salmon Creek. Comment
  UCD51997  Agrostis densiflora Beecher Crampton 1957-7-11 4328 Sonoma Sonoma Coast State Park, 0.9 mile north of Salmon Creek. Comment
  UCD52020  Agrostis densiflora Beecher Crampton 1957-7-11 4351 Sonoma Sonoma Coast State Park, 9 miles north of Salmon Creek and just south of Goat Rock. Comment
  SEINET7593690 Image available Agrostis exarata A. S. Hitchcock 1908-1 2690 Sonoma Willits Comment
  UCD52071  Agrostis exarata R. Tofsrud 1941-5-1 136 Sonoma Sonoma County, California. Comment
  CAS-BOT-BC139555  Agrostis gigantea Peter Rubtzoff 1951-7-21 508 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower Marshes. Comment
  SEINET11690139  Agrostis gigantea M. P. Wells 1985-1 585 Sonoma Ducker Creek, Rincor Valley, Santa Rosa Comment
  RSA129614  Agrostis hallii H. S. Yates 1936-5-16 5582 Sonoma 1 mile northeast of Graton. 30 Comment
  UCD37348  Agrostis hallii Beecher Crampton 1959-6-16 5379 Sonoma Sonoma County, 1 mile east of Occidental. 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
  CAS-BOT-BC138926  Agrostis pallens G. DeNevers 1981-6-20 1592 Sonoma Pepperwood Ranch. Confluence of Mark West Creek and Leslie Creek. Comment
  UCD53194  Agrostis pallens P. B. Kennedy 1917-8-1 s.n. Sonoma Del Mar. Comment
  UCD53197  Agrostis pallens R. Tofsrud 1951-6-1 s.n. Sonoma summit of Oakville to Kenwood road. Comment
  UCD53234  Agrostis pallens P. B. Kennedy 1918-5-25 s.n. Sonoma Santa Rosa, Calistoga Road. Comment
  UCD53596  Agrostis stolonifera Peter Rubtzoff 1951-7-21 508 Sonoma Between the Upper and the Lower marshes, near Forestville. Comment
  CAS-BOT-BC47987  Ailanthus altissima Greg de Nevers 1992-6-26 10185 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  CAS-BOT-BC47988  Ailanthus altissima Greg de Nevers 1992-6-26 10185 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  CAS-BOT-BC138393  Aira caryophyllea var. capillaris K. Wagnon 1939-4-20 180 Sonoma About 2 miles west of Vine Hill School along road. Comment
  CAS-BOT-BC138212  Aira caryophyllea var. caryophyllea John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC173649  Alisma lanceolatum Peter Rubtzoff 1968-8-31 5953 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC445334  Alisma lanceolatum Peter Rubtzoff 1954-8-2 1627 Sonoma Austin Creek Marsh. 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
  UCD84096  Allium amplectens Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  UC1333294  Allium dichlamydeum Malcolm L. Byce 1936-5-20 627 Sonoma Bodega Bay Comment
  CAS-BOT-BC469107  Allium dichlamydeum A. L. Graff 1928-6-1 s.n. Sonoma Near Cazadero Comment
  CAS-BOT-BC469108  Allium dichlamydeum John Thomas Howell 1930-6-8 5282 Sonoma 8.5 miles north of Bodega Bay Comment
  JEPS128211  Allium falcifolium Roger Raiche 2000-5-5 088 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  CDA2730  Allium vineale J. T. Howell 1976-6-2 51809 Sonoma At Sonoma Joe s, Petaluma. 0 Comment
  CAS-BOT-BC453448  Allotropa virgata Hugh Leech 1966-5-30 s.n. Sonoma Ida Clayton Road summit, at Lake Co. line 807 Comment
  JEPS52302  Allotropa virgata Wayne Roderick 1967-6-18 Sonoma On the Ida Clayton Road Northwest of Mt. St. Helena 609 Comment
  RSA155529  Alnus rhombifolia L. S. Rose 1960-9-14 60093 Sonoma Laguna de Santa Rosa, 2 miles east of Grafton 15 Comment
  CAS-BOT-BC169363  Alnus rubra Peter Rubtzoff 1957-6-28 3386 Sonoma Duncans Mills Marsh, upper part of the marsh Comment
  CAS-BOT-BC376271  Alopecurus pratensis Greg de Nevers 1996-4-18 10792 Sonoma Knights Valley, marsh at south end of valley at base of hills, on Bavarian Lion Ranch. Knight's Valley Marsh. Bavarian Lion Ranch, 450 ft. 91 Comment
  UCD150834  Alopecurus saccatus Ayzik Solomescsh 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, north of city of Rohnert Park. East of Hwy 101 and south of Horn Ave. Elevation estimated from Google Earth by label maker. 30 Comment
  CDA37330  Amaranthus albus D. G. Kelch, Troy McGregor 2010-8-22 10 .335 Sonoma Geyser Peak Rd. Comment
  SD99431  Amaranthus albus Peter Rubtzoff 1971-9-2 6682 Sonoma Todd Road near and west of Hwy. 101 Comment
  POM223643  Amaranthus retroflexus L. S. Rose 1935-9-11 35625 Sonoma 2 mi N of Healdsburg 40 Comment
  RSA234553  Amaranthus retroflexus Peter Rubtzoff 1971-8-31 6665 Sonoma Todd Road near Stony Point Road Comment
  OBI33919  Ambrosia chamissonis David J. Keil 1983-6-29 17190 Sonoma Doran Beach County Park, Bodega Head Comment
  UCD128773  Ambrosia chamissonis Michael Fleschner 1965-5-1 s.n. Sonoma University of California Marine Biology Laboratory, Bodega Bay. Comment
  UCD128775  Ambrosia chamissonis Mary M. Hektner 1974-7-20 154 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owners' Map. Comment
  RSA29215  Ambrosia chamissonis var. chamissonis E. K. Balls 1953-10-9 18595 Sonoma South end of Doran Park, Bodega Bay, Hwy 1 3 Comment
  UC29417  Ambrosia psilostachya J. Burtt Davy Oct 1 1896-Jan 1 1900 2852 Sonoma Sonoma Comment
Read comments
Nov 13 2016
  UC1127783 Image available Amelanchier utahensis E. Armstrong 1934-3-26 942 Sonoma 3 mi e Camp Meeker; Sebastopol Quad. 91 Comment
  UCD158732  Amelanchier utahensis Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Along Big Sulphur Creek. Ca. 2 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 853 Comment
  CAS-BOT-BC137882  Ammophila arenaria W. M. Hiesey 1945-9-21 551 a Sonoma Bodega sand dunes. Comment
  CAS-BOT-BC26834  Amsinckia hispidula Alice Eastwood 1915-6-5 4582 Sonoma Petrified Forest Comment
  RSA0089717  Amsinckia intermedia L. S. Rose 1952-4-18 62027 Sonoma Petaluma. 6 Comment
  UCD56042  Andropogon glomeratus Freed W. Hoffman 1943-6-17 s.n. Sonoma Guerneville. Comment
  CAS-BOT-BC137791  Andropogon virginicus var. virginicus Walter Knight; Irja Knight; Stephen W. Edwards 1986-8-17 5505 Sonoma Sweetwater Springs Road. Comment
  UC70435  Anemone oregana Milo S. Baker 1903-3-19 Sonoma Sonoma; Creek canyon Comment
  CAS-BOT-BC221436  Angelica hendersonii David D. Keck; J. Clausen 1935-6-15 3373 Sonoma 1 mile N. of Salmon Creek Comment
  CAS-BOT-BC221434  Angelica hendersonii David D. Keck; J. Clausen 1935-7-15 3373 Sonoma 1 mi. north of Salmon Creek Comment
  CDA38219  Angelica tomentosa A. A. Heller 1902-6-26 s.n. Sonoma Northwestern; Inner North Coast Ranges region; Along Sonoma Creek, at the foot of Mt. Hood. 0 Comment
  CAS-BOT-BC271433  Anisocarpus madioides G. DeNevers 1981-5-23 1305 Sonoma In canyon leading to Redwoods from Devils Kitchen Hill, Pepperwood Ranch Comment
  UCD128892  Anisocarpus madioides Botany 102 Students 1993-5-8 205 Sonoma Sugarloaf Ridge State Park, about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon. Comment
  UCD128896  Anisocarpus madioides Gerry North 1993-3 6 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. Across Adobe Canyon Road deom Goodspeed Trailhead pullout. 228 Comment
  CAS-BOT-BC102233  Anthemis cotula Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  SEINET7296733 Image available Anthoxanthum aristatum Leo Koch 1940-1 841 Sonoma along Highway 101, north of Windsor. Comment
  SEINET8718117 Image available Anthoxanthum aristatum Leo Koch 1940-1 841 Sonoma Along Highway 101, north of Windsor. Comment
  CAS-BOT-BC488329  Anthoxanthum aristatum subsp. aristatum Ayzik Solomeshch 2009-5-14 s.n. Sonoma 2.3 km SE of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1 Comment
  UCD85350  Anthoxanthum occidentale M. S. Baker; Virginia Bufford 1936-4-1 245 Sonoma Junction Hwy 1 and road up Gualala. 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
  UCD56233  Anthoxanthum odoratum G. F. Hrusa; G. L. Stebbins 1994-3-28 11707 Sonoma Fisk Mill Parking Area, Salt Point State Park. 7 Comment
  UCR142043  Anthoxanthum odoratum Beecher Crampton 1955-6-17 2940 Sonoma North Coast Range, 0.5 mile north of Guerneville, along Fife Creek 30 Comment
  UC249613  Anthriscus caucalis Joseph P. Tracy 1921-5-26 5799 Sonoma near Cloverdale (on road towards Hopland); Northern Coast Ranges 304 Comment
  UC26385  Antirrhinum virga Edw. L. Greene 1894-6-17 Sonoma Mt. St. Helena Comment
  POM133220  Apiastrum angustifolium C. F. Baker 1892-1 s.n. Sonoma [Unspecified] Comment
  RSA31667  Apocynum cannabinum A. A. Heller 1902-6-22 5732 Sonoma Santa Rosa Comment
  UC66036  Apocynum cannabinum A. A. Heller 1902-6-22 5732 Sonoma Santa Rosa Comment
  UC726166  Apocynum cannabinum A. A. Heller 1902-6-22 5732 Sonoma Santa Rosa Comment
  SEINET12093068  Aquilegia formosa F. H. Utech 1986-1 86 -125 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 200 Comment
  SEINET12094716  Aquilegia formosa var. truncata F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -269 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC17342  Arabis blepharophylla A. A. Heller; H. E. Brown 1902-3-29 5178 Sonoma Bodega Head. Comment
  CDA17199  Aralia californica G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16198 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. Sheet 1 of 2 536 Comment
  CDA40893  Aralia californica G. F. Hrusa 2003-11-11 16198 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. Sheet 2 of 2 0 Comment
  UCD128215  Aralia californica K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC128616  Arbutus menziesii D. E. Breedlove 1980-6-27 44760 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC128619  Arbutus menziesii Walter Knight; Irja Knight 1964-11-15 790 Sonoma Hood's Peak near Johnson Lake Comment
  POM367169  Arbutus menziesii Christopher Davidson 1977-6-20 6014 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  SEINET11996993  Arbutus menziesii F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -244 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC56911  Arctostaphylos John Thomas Howell 1934-3-3 11747 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC24087  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10954 Sonoma 2 miles east of Occidental Comment
  CAS-BOT-BC24088  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10953 Sonoma 2 miles east of Occidental Comment
  UC1120872  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1557 Sonoma 2 mi nne Occidental; Sebastopol Quadrangle Comment
  UC1120876  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1562 A Sonoma 1/2 mi nw Trenton; Sebastopol Quadrangle Comment
  UC1120877  Arctostaphylos bakeri A. E. Wieslander 1936-9-19 707 Sonoma 1 mi nw Occidental; Sebastopol Quadrangle Comment
  UC1120880  Arctostaphylos bakeri A. E. Wieslander 1938-10-29 828 Sonoma Occidental Sebastopol Quadrangle Comment
  UC1281479  Arctostaphylos bakeri H. E. McMinn 1936-4-5 4409 Sonoma two mi n Occidental Comment
  UC1388373  Arctostaphylos bakeri Freed W. Hoffman 1947-3-11 823 Sonoma ne Camp Meeker; North Coast Ranges Comment
  UC1614274  Arctostaphylos bakeri Charles M. Belshaw 1936-3-7 1556 A Sonoma 2 mi nne of Occidental Comment
  POM222620  Arctostaphylos bakeri subsp. bakeri L. S. Rose 1934-2-22 34032 Sonoma 2 miles E of Occidental. Comment
  SDSU1487  Arctostaphylos bakeri subsp. bakeri D. F. Howe 1969-6-8 4635 Sonoma 3.8 miles east of Occidental. 274 Comment
  RSA252145  Arctostaphylos bakeri subsp. bakeri G. D. Wallace 1974-12-23 1348 Sonoma NE of Occidental on Grafton Road, 2 mile or so from Occidental. 152 Comment
  RSA622718  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24761 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA622722  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24769 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA622726  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24763 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1120921  Arctostaphylos canescens subsp. canescens R. W. Lundh and J. B. Spring 1932-7-19 119 Sonoma 1/2 mi w Los Alamos School; Santa Rosa Quadrangle 518 Comment
  CAS-BOT-BC23887  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-7-4 13079 Sonoma Rincon Ridge NE of Santa Rosa Comment
  CAS-BOT-BC23888  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1933-4-2 10942 Sonoma Rincon Ridge near Santa Rosa Comment
  JEPS73686  Arctostaphylos canescens subsp. sonomensis L. R. Heckard 1968-2-25 1754 Sonoma along Cavedale Road about 5 mi from its junction with Sonoma-Kenwood Road (western slope of Hooker Canyon (head of)); w slope of Hooker Canyon (head of) 548 Comment
  LA88623  Arctostaphylos canescens subsp. sonomensis Robert F. Thorne; 1965-4-20 34387 Sonoma Rincon Ridge, Robert Sone's place on Rock Ridge Lane - Montecito Ave. Santa Rosa 106 Comment
  OBI14518  Arctostaphylos canescens subsp. sonomensis Robert F. Hoover 1963-1-12 23023 Sonoma Rincon Ridge Comment
  UC480593  Arctostaphylos canescens subsp. sonomensis Carl Meyer 1928-3-3 301 Sonoma Santa Rosa Comment
  CAS-BOT-BC23604  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11743 Sonoma Between Fort Ross and Stewart's Point Comment
  UC1388311  Arctostaphylos columbiana Freed W. Hoffman 1947-12-1 2747 Sonoma Salt Point North Coast Ranges Comment
  CAS-BOT-BC24977  Arctostaphylos densiflora Walter Knight; Irja Knight 1980-12-23 3858 Sonoma From California Native Plant Society's Preserve on Vine Hill School Road. Near Graton. Comment
  CAS-BOT-BC24978  Arctostaphylos densiflora J. Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4078 Sonoma Originally collected in Vine Hill District, near Sebastopol. Comment
  CAS-BOT-BC24981  Arctostaphylos densiflora Catherine Best 1986-2-9 1162 Sonoma On Stoetz Lane about 3 miles NE of Occidental. Comment
  CAS-BOT-BC24992  Arctostaphylos densiflora Milo S. Baker 1929-6-1 3572 Sonoma Near Vine Hill Schoolhouse. Comment
  CAS-BOT-BC24995  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5773 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC25019  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill Schoolhouse. Comment
  JEPS98816  Arctostaphylos densiflora James Roof and Walter Knight 1967-3-20 Sonoma a few mi W of Santa Rosa (Clark's Driveway, Box 5980 on Guerneville Road, near int. with Laguna Road) Comment
  JEPS98817  Arctostaphylos densiflora James Roof and Walter Knight 1967-3-20 Sonoma a few mi W of Santa Rosa (Clark's Driveway, Box 5980 on Guerneville Road, near int. with Laguna Road) Comment
  SBBG28870  Arctostaphylos densiflora J. Clausen 1933-3-26 743 Sonoma Vine Hill Schoolhouse, 10 mi W of Santa Rosa Comment
  UC1084443  Arctostaphylos densiflora G. Thomas Robbins 1940-3-22 303 Sonoma ca 8.5 mi w Santa Rosa (apple orchard along Guerneville rd); Vine Hill region 45 Comment
  UCD50800  Arctostaphylos densiflora Roman Gankin 1966-3-3 693 Sonoma Vine Hill School Road, ca. 10 miles west of Santa Rosa. Comment
  UCD50804  Arctostaphylos densiflora L. Whitney 1932-4-1 Sonoma Santa Rosa. Vine Hill. Comment
  UCSB12556  Arctostaphylos densiflora Huot, J. 1961-3-25 Sonoma 4 miles east of Healdsburg, along north side of Highway 101 on roadbanks 30 Comment
  CAS-BOT-BC23325  Arctostaphylos glandulosa subsp. cushingiana C. Hart Merriam 1907-7-27 s.n. Sonoma Mt. St. Helena, Knights Valley slope Comment
  RSA631181  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24722 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA631189  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24724 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24723  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1933-4-2 10947 Sonoma 8 mi. w. of Santa Rosa. Comment
  CAS-BOT-BC39109  Arctostaphylos hispidula Walter Knight; Irja Knight; P. V. Wells 1985-12-30 6325 Sonoma Rockpile Road above Lake Sonoma Comment
  UCSB24400  Arctostaphylos hispidula McMinn, H. 1936-4-5 Sonoma Two miles east of Occidental Comment
  POM294825  Arctostaphylos hookeri subsp. hookeri Boone Hallerg 1947-4-9 199 Sonoma 2 miles NE of Graton, Trenton Road 76 Comment
  CAS-BOT-BC38986  Arctostaphylos manzanita Roger Raiche; Steve Edwards; Walter Knight; Irja Knight 1983-7-3 4753 Sonoma Near Cazadero, The Cedars, population samples from north end of 10 acre study area. 274 Comment
  LA42191  Arctostaphylos manzanita H. F. Copeland; 1933-3-18 A 9 Sonoma Mt Hood, Residence of M. S. Baker, at W base Comment
  UCD51990  Arctostaphylos manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch; 10 miles west of Santa Rosa. Comment
  RSA202114  Arctostaphylos manzanita Freed W. Hoffman 1948-04 2750 Sonoma Poole Ridge, near Guerneville. Comment
  SEINET11987348  Arctostaphylos manzanita W. Knight, Knight, I. 1981-1 3962 Sonoma 2.3 mi up Cavedale Road from junction of CA 12 Comment
  SEINET11990964  Arctostaphylos manzanita Unknown 1983-1 30499 H Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11996224  Arctostaphylos manzanita J. T. Vale, Wagnon, K. 1989-1 s.n. Sonoma Cavedale Road 305 Comment
  CAS-BOT-BC38911  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena Comment
  UC674748  Arctostaphylos manzanita subsp. elegans E. A. Goldman 1907-12-29 71 Sonoma Mt. St. Helena 1219 Comment
  CAS-BOT-BC38653  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5776 Sonoma Vine Hill District, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38703  Arctostaphylos manzanita subsp. manzanita A. A. Heller; H. E. Brown 1902-3-20 5107 Sonoma Near Windsor Comment
  CAS-BOT-BC38747  Arctostaphylos manzanita subsp. manzanita L. R. Abrams 1916-7-4 5786 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC38748  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1906-8-26 s.n. Sonoma Knights Valley (NW of Calistoga) Comment
  SBBG60026  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 9 Sonoma residence of M.S. Baker, at W base of Mt Hood Comment
  SBBG60027  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mtn Rd, ca. 8 mi E of Santa Rosa Comment
  UC1121478  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1938-10-29 834 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC726694  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1941-6-4 16161 Sonoma on the Gurneville Road about 2 mi n Graton Comment
  RSA94311  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1951-9-15 744 Sonoma Dry, open area separating the western branch of the Upper Marsh from the eastern. Comment
  UCD52046  Arctostaphylos manzanita subsp. manzanita Christine Lee 1993-4-24 97 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa; south of Sonoma Creek along Hillside Trail. 396 Comment
  CAS-BOT-BC47336  Arctostaphylos stanfordiana Lewis S. Rose 1955-2-28 55009 Sonoma 2 mi. w. of Graton. Road to Occidental. 121 Comment
  JEPS78746  Arctostaphylos stanfordiana Edward Lee 1936-5-3 2017 Sonoma 13.7 mi (by road) from Santa Rosa (Sonoma-Santa Rosa Road) Comment
  LA42284  Arctostaphylos stanfordiana H. F. Copeland; 1933-3-18 A 6 Sonoma Rincon Ridge, near Santa Rosa Comment
  UC1084352  Arctostaphylos stanfordiana G. Thomas Robbins 1937-3-25 8 Sonoma 8-10 mi e Santa Rosa (n-facing slope of canyon); Santa Rosa Creek Canyon Comment
  UCD53847  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 686 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road; 3.1 miles east of junction with State Highway 12. Comment
  JEPS95232  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  JEPS95236  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  JEPS95237  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  SBBG100093  Arctostaphylos stanfordiana subsp. decumbens J. Guggolz, B. Guggolz 1985-6-10 838 Sonoma just outside Conservation Easement at the end of Bluesage Court in Southridge Development Comment
  POM367459  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A- 11 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  RSA178044  Arctostaphylos stanfordiana subsp. stanfordiana R. F. Thorne 1965-4-20 34375 Sonoma 4 mi. up Cavedale Rd., ca. 6 mi. N of Sonoma. 457 Comment
  UC909827  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 740 Sonoma s McNamees Store Comment
  HSC7738  Arctostaphylos viscida Freed W. Hoffman 1947-9-29 502 Sonoma Layton Mine, Austin Creek Comment
  RSA202099  Arctostaphylos viscida Freed W. Hoffman 1947-9-29 513 Sonoma Layton Mine, Austin Creek. Comment
  SEINET11989191  Arctostaphylos viscida S. W. Edwards 1982-1 s.n. Sonoma The Cedars Ridge, N of Cazadero, NW of King Ridge Rd at source of Big Austin Creek Comment
  UCSB21056  Arctostaphylos viscida McMinn, Howard 1936-4-4 Sonoma 2 miles north of St. Helena Inn near bridge on highway Comment
  RSA13420  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-18 A- 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa. Comment
  UC1388345  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1947-9-29 502 Sonoma headwaters of creek North Coast Ranges, Main Austin Creek, Layton Mine Comment
  CAS-BOT-BC47471  Arctostaphylos viscida subsp. viscida C. H. M. 1907-7-27 s.n. Sonoma Mt. St. Helena, Calif. Near summit 1st ridge on road from Middletown to Knight's Valley. 731 Comment
  UC1084356  Aristolochia californica G. Thomas Robbins 1937-3-25 15 Sonoma Santa Rosa Creek just e. of Santa Rosa on hwy. to Sonoma Comment
  HSC3260  Aristolochia californica James Faro 1962-4-22 5 Sonoma S side of Lake Ralphine in Santa Rosa Comment
  CAS-BOT-BC167154  Arnica discoidea Greg de Nevers 1997-6-7 11021 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC82405  Arnica discoidea Alice Eastwood 1923-5-9 11744 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC82560  Arnica discoidea Greg de Nevers 1997-6-7 11021 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  SEINET14286772  Arrhenatherum elatius D. Keil 1983-1 17210 Sonoma Stillwater Cove Regional Park Comment
  CAS-BOT-BC90490  Artemisia douglasiana Mary P. Wells 1982-8-21 s.n. Sonoma Gerstle Cove, Salt Point State Park Comment
  UCSB17230  Artemisia pycnocephala Breedlove, Dennis 1961-12-31 Sonoma At mouth of Russian River 3 Comment
  UCD129343  Artemisia pycnocephala D. R. Miller; D. S. Horning 1967-1-23 s.n. Sonoma Goat Rock Beach (near Jenner). Comment
  CAS-BOT-BC97233  Artemisia suksdorfii J. Clausen 1939-7-20 1715 Sonoma along road just north of Jenner, towards Fort Ross Comment
  RSA264768  Asclepias fascicularis Peter Rubtzoff 1975-8-15 8322 Sonoma Laguna, Chileno Valley. Comment
  UC1299580  Asclepias solanoana Freed W. Hoffman 1947-5-30 549 Sonoma Layton Mine; North Coast Ranges, Austin Creek 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
  RSA178004  Aspidotis densa R. F. Thorne 1965-4-19 34290 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UCD158841  Aspidotis densa James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2914 Sonoma North central part of Section 15, 0.25 mile south of Harness Camp and 2 miles west of The Geysers . (Elevation estimated by label maker using Google Earth.) 723 Comment
  UC764626  Astragalus breweri R. F. Hoover 1939-4-18 4038 Sonoma Occidental Comment
  CAS-BOT-BC66146  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1957-6-28 3384 Sonoma Duncans Mills Marsh Comment
  UCD136295  Athyrium filix-femina var. cyclosorum Frederica Bowcutt 1984-6-24 468 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg. Southend of Gerstle Cove along creek. Just south of picnic area and parking for Environmental campsite #4. 30 Comment
  UC1034625  Atriplex leucophylla Milo S. Baker 1938-6-6 9016 Sonoma beach at Salmon Creek; beach at Salmon Creek Comment
  UCD143729  Atriplex leucophylla Mary M. Hektner 1976-12-14 276 Sonoma Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC7080  Atriplex triangularis Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  CAS-BOT-BC146140  Avena barbata Mary P. Wells 1984-5-22 263 Sonoma By Commons B, Friends House, Rincon Valley, Santa Rosa. Comment
  CAS-BOT-BC146141  Avena barbata G. DeNevers 1981-5-9 1018 Sonoma Pepperwood Ranch. By the Red Corral at the McCann Homestead. Comment
  RSA120957  Avena fatua David L. Morgan 1956-5-11 s.n. Sonoma 311 Mountain View Ave., Petaluma. Comment
  UC1103326  Avena fatua Joseph P. Tracy 1933-5-1 12131 Sonoma Knight's Valley Northern Coast Ranges Comment
  UCR244598  Avena fatua Peter Rubtzoff 1972-5-25 6766 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  SD254556  Azolla filiculoides Ann Howald, Christina Freeman 2015-1-1 3411 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, northwest corner, south of Marsh Trail (Kenwood 7.5'Q) 362 Comment
  UC372570  Baccharis pilularis Marcus E. Jones, A. M. 1882-7-8 Sonoma Duncan's Mills Comment
  CAS-BOT-BC99783  Baccharis salicifolia A. A. Heller; H. E. Brown 1902-4-18 5327 Sonoma Near Windsor Comment
  SEINET8734646 Image available Baeria uliginosa Lewis S. Rose 1933-1 33156 Sonoma BODEGA BAY Comment
  CAS-BOT-BC16692  Barbarea orthoceras A. A. Heller; H. E. Brown 1902-3-20 5106 Sonoma Near Windsor. Comment
  CAS-BOT-BC16695  Barbarea orthoceras Peter Rubtzoff 1951-6-9 163 Sonoma Pitkin Marsh, near Forestville. Forest south of the Upper Marsh. Comment
  CDA18777  Barbarea orthoceras Boris Korotyaev 2000-3-26 s.n. Sonoma Northern California; Coleman Valley Rd. 4 km. W of Occidental. 0 Comment
  UCR255700  Barbarea vulgaris Peter Rubtzoff 1989-6-10 10004 Sonoma Along Russian River, c. 6 miles east of Guerneville, at 9850 River Road 14 Comment
  CAS-BOT-BC145843  Beckmannia syzigachne Peter Rubtzoff 1961-6-17 4630 Sonoma Bennett Mountain Lake. Comment
  SEINET179633  Beckmannia syzigachne H. P. Bracelin 1930-7-27 20 Sonoma 1 mi N of Fort Ross Comment
  CAS-BOT-BC145875  Beckmannia syzigachne David L. Morgan 1956-5-18 s.n. Sonoma 1 mile south of Kenwood on State Highway #12. Comment
  CDA43436  Bellardia trixago Stephanie Larson 2015-7-21 PDR# 49 UP06191162 Sonoma Near Highway 37. 0 Comment
  RSA0020331  Bidens frondosa Peter Rubtzoff 1973-9-4 7297 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Comment
  CAS-BOT-BC258028  Blennosperma bakeri Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7391 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  NY31010  Blennosperma californicum E. Samuels 106 Sonoma Comment
  OBI48606  Blennosperma nanum Michener and Bioletti, Bioletti April 1893 Sonoma Kenwood Comment
  CAS-BOT-BC154968  Boisduvalia Peter Rubtzoff 1970-8-19 6328 Sonoma Austin Creek beach, 3.5 miles S of Cazadero Comment
  CAS-BOT-BC154955  Boisduvalia Peter Rubtzoff 1971-6-30 6581 Sonoma Eastern foothills of Sonoma Mtns. On Sobre Vista Road, 0.9 mi. W of Arnold Drive Comment
  CAS-BOT-BC154967  Boisduvalia densiflora Peter Rubtzoff 1954-9-6 1742 Sonoma Guerneville Marsh, along the northern border Comment
  CAS-BOT-BC154874  Boisduvalia densiflora Peter Rubtzoff 1961-7-22 4660 Sonoma Bennett Mtn. Lake. Comment
  POM142187  Boykinia occidentalis A. A. Heller 1902-6-26 5772 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UC570898  Boykinia occidentalis H. L. Mason 1928-7-11 4889 Sonoma canyon two mi n Fort Ross; n of Fort Ross Comment
  CAS-BOT-BC145654  Brachypodium phoenicoides Mary P. Wells 1981-8-2 s.n. Sonoma Between end of Dune Drift and the sea near the hedgerow. The Sea Ranch. Comment
  SEINET259062 Image available Brachypodium phoenicoides P. G. Connors 1991-6-5 128 Sonoma Sonoma Coast State Beach; North of Bodega Bay in Salmon Creek Dunes; within State Park boundary. Comment
  UC571416  Brachypodium pinnatum R. C. Morehouse 1937-8-23 Sonoma Sample plot 1 mi w of Bloomfield (George Jones Property) 30 Comment
  CAS-BOT-BC100477  Brickellia californica Walter Knight; Irja Knight 1963-9-15 292 Sonoma Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC376281  Brickellia californica Greg de Nevers 1992-6-26 10189 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CAS-BOT-BC311816  Briza Peter Rubtzoff 1973-8-29 s.n. Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC145482  Briza maxima Peter Rubtzoff 1952-5-31 1098 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern. Comment
  RSA126876  Briza maxima H. S. Yates 1936-5-16 5606 Sonoma 1 mile S.E. of Forestville 30 Comment
  UCD57139  Briza maxima Charles B. Heiser Jr. 1946-5-19 1739 Sonoma Vine Hill, W of Santa Rosa Comment
  UCD57148  Briza maxima B. Crampton 1955-6-17 2968 Sonoma Along State Hwy. 1. Fort Ross. 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
  SEINET10861606  Briza maxima Jon Ricketson, Deanna Vanderbur 1985-7-3 Ricketson 2619 Sonoma Fort Ross State Park, along State Highwa 1, between Fort Ross and Jenner above Pacific Ocean. 50 miles northwest of San Francisco. 30 Comment
  SEINET11689512  Briza maxima F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -265 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 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-BC145291  Briza minor G. DeNevers 1981-4-11 687 Sonoma Pepperwood Ranch. West of Goodman Homestead. Comment
  CAS-BOT-BC145300  Briza minor Walter Knight; Irja Knight 1963-10-29 435 Sonoma Roblar Road. Comment
  CAS-BOT-BC145301  Briza minor Saichi Kawahara 1968-4-20 307 Sonoma 100 yards south of Cannon Lane, off Lakeville Road. 3 Comment
  SEINET180834  Brodiaea capitata E. Tucker Sonoma Camp Meekee. Comment
  CAS-BOT-BC486532  Brodiaea elegans subsp. elegans Peter Rubtzoff 1962-6-8 4884 Sonoma Bennett Mountain Lake Comment
  JEPS5691  Brodiaea leptandra W. L. Jepson 1918-6-23 7657 Sonoma Poor Man's Flat Windsor Comment
  JEPS18123  Brodiaea stellaris Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-31 5675 Sonoma at base The Butcher Knife (along secondary road following creek); Big Austin Creek 182 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-BC486523  Brodiaea stellaris Catherine Best 1979-5-11 s.n. Sonoma Near Occidental in the east side of Stoetz Road about 100 yeards north of the county dump Comment
  JEPS109575  Brodiaea terrestris subsp. terrestris Dean W. Taylor 1994-5-4 14210 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  JEPS7708  Brodiaea terrestris subsp. terrestris W. L. Jepson 1921-6-3 9308 Sonoma Wilfred station Santa Rosa Valley Comment
  CAS-BOT-BC144149  Bromus Rimo Bacigalupi 1926-5-2 1391 Sonoma Cazadero. Comment
  CAS-BOT-BC149491  Bromus arvensis Greg de Nevers 1987-6-1 8188 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 400 Comment
  CHSC100547  Bromus carinatus Beecher Crampton 1955-6-8 2831 Sonoma At Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  UCD58317  Bromus carinatus var. californicus P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa. Calistoga. Petrified forest road. Comment
  CAS-BOT-BC149092  Bromus carinatus var. carinatus John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54667 Sonoma Bouverie Audubon Preserve, about 1.5 mile east of Glen Ellen near Stuart Creek. 137 Comment
  SEINET249950 Image available Bromus carinatus var. carinatus Beecher Crampton 1955-6-8 2831 Sonoma At Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  SEINET943634  Bromus carinatus var. carinatus Lewis S. Rose 1962-1 62024 Sonoma 1 mile NW of Freestone 76 Comment
  UC1010989  Bromus carinatus var. carinatus Virginia Bufford 1936-5-19 263 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  UC573764  Bromus carinatus var. carinatus H. S. Yates 1937-5-30 6556 Sonoma 2 mi nw of Freestone 91 Comment
  UC909756  Bromus carinatus var. carinatus Milo S. Baker Apr 1950 12160 Sonoma w of Mellita (Montgomery Drive); Montgomery Drive Comment
  UCD151108  Bromus carinatus var. marginatus James A. Neilson Jr. 1974-6-1 3035 Sonoma Mayacmas Mountains, Geyser Rock. (Elevation estimated by label maker using Google Earth.) 1066 Comment
  UCD60211  Bromus catharticus var. elatus Beecher Crampton 1957-7-11 4326 Sonoma Sonoma Coast State Park, along state Hwy. 1, 0.9 miles north of Salmon Creek. Comment
  CAS-BOT-BC155956  Bromus commutatus R. E. Frenkel 1964-6-23 610 Sonoma On Seaview Road, 3.1 miles north of Fort Ross Road. 396 Comment
  UCR248935  Bromus commutatus Peter Rubtzoff 1976-6-18 8652 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC155656  Bromus diandrus David L. Morgan 1956-6-26 s.n. Sonoma Bank of Austen Creek, 3 miles west of Monte Rio, on State Highway #12. Comment
  CAS-BOT-BC155659  Bromus diandrus G. DeNevers 1981-4-20 748 Sonoma Pepperwood Ranch. Top of Horse Hill. Pippindale farm. Comment
  RSA789052  Bromus diandrus Carrie A. Herd 1982-5-4 86 Sonoma Rohnert Park, C.S.U, Sonoma. between dorms and Rancho Cotati High School. Comment
  CAS-BOT-BC155203  Bromus hordeaceus Peter Rubtzoff 1958-5-10 3640 A Sonoma Lagunda de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC155212  Bromus hordeaceus K. Wagnon 1939-4-26 175 Sonoma Near Wagnon home, 5 miles west of Sebastopol. Comment
  CAS-BOT-BC311801  Bromus hordeaceus Peter Rubtzoff 1958-7-5 3732 Sonoma Atascadero Creek Marsh. Comment
  UCD58826  Bromus hordeaceus Beecher Crampton 1957-7-11 4304 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  SDSU951  Bromus japonicus D. F. Howe 1972-5-2 4817 Sonoma Trail above Duncan Mills Pond Comment
  UC37643  Bromus laevipes Michener and Bioletti 1893-6-10 112 Sonoma Hood's Peak Comment
  UCD58888  Bromus laevipes H. S. Yates 1937-5-30 6543 Sonoma 3 miles WNW of Graton. 60 Comment
  UCD58963  Bromus madritensis R. Tofsrud 1949-4-1 s.n. Sonoma Road to 'Top O World.' N of Sonoma. Comment
  UCD36880  Bromus racemosus Beecher Crampton 1956-4-24 3309 Sonoma Sonoma County, Healdsberg, vacant lot at junction of Prince and Sherman Streets. Comment
  CAS-BOT-BC161585  Bromus sterilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53965 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  UC1131318  Bromus vulgaris H. S. Yates 1936-5-16 5611 Sonoma 1 mi nw of Mountain View School 91 Comment
  UCD60255  Bromus vulgaris Mary M. Hektner 1976-5-6 262 Sonoma Unit 34-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC176119  Cakile maritima Peter Rubtzoff 1955-8-20 2078 Sonoma Bodega Harbor Marsh Comment
  UC1301003  Cakile maritima Helen K. Sharsmith 1963-5-25 5499 Sonoma just s of Bodega Harbor; San Francisco Bay Region 1 Comment
  CAS-BOT-BC36951  Cakile maritima var. maritima John H. Thomas 1976-6-17 18352 Sonoma Near northern end of Sea Ranch, northwestern part of county, about 4 miles south of Gualala. Comment
  CAS-BOT-BC185401  Calamagrostis bolanderi Mary P. Wells 1985-10-4 665 Sonoma Road to almost-pygmy forest. The Sea Ranch (now property of Travelers Insurance). Comment
  RSA144699  Calamagrostis bolanderi Roxana S. Ferris, L. Lorraine 1961-6-14 13537 Sonoma Joy Road Grade, 1.8 miles from jct. with Bodega Hwy Comment
  RSA74317  Calamagrostis bolanderi Anonymous 1947-6-26 s.n. Sonoma Cunningham Marsh ca. 1 mile (airline) southwest of Cunningham Station. Comment
  RSA0056454  Calamagrostis bolanderi Greg de Nevers 1998-6-15 11287 Sonoma CYO Camp on Bohemian Highway. Comment
  CAS-BOT-BC352235  Calamagrostis neglecta var. inexpansa Peter Rubtzoff 1966-5-29 5741 Sonoma Pitkin Marsh, near Forestville. Comment
  CDA31620  Calamagrostis nutkaensis P. B. Kennedy 1919-5-16 Sonoma Del Mar. 0 Comment
  UC1146619  Calamagrostis nutkaensis Freed W. Hoffman 1941-7-27 2219 Sonoma Bodega Bay North Coast Ranges (coastal strand) Comment
  UC905592  Calamagrostis nutkaensis David D. Keck 1948-6-29 5929 Sonoma 2 mi n Fort Ross 45 Comment
  RSA94458  Calamagrostis nutkaensis Peter Rubtzoff 1952-5-21 1058 Sonoma The Pitkin Marsh, near Forestville; Western branch of the Upper Marsh. Comment
  UC1146684  Calamagrostis ophitidis Freed W. Hoffman 1941-6-1 2185 Sonoma Oregon Canyon Comment
  JEPS96256  Calamagrostis stricta subsp. inexpansa Dean Kelch 1997-4-30 97 .16 Sonoma Bodega Head, W Sonoma County Bodega Head 15 Comment
  CAS-BOT-BC438604  Calandrinia ciliata Peter Rubtzoff 1954-11-18 1765 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC273248  Calendula arvensis John Thomas Howell 1946-3-31 21591 Sonoma Just east of Sonoma Comment
  CAS-BOT-BC273247  Calendula arvensis John Thomas Howell 1959-5-7 34593 Sonoma Fetters Springs Comment
  RSA176434  Calendula arvensis Peter H. Raven 1963-4-28 18257 Sonoma Just west of El Verano. Comment
  UCR142045  Calendula officinalis Beecher Crampton 1970-3-12 8545 Sonoma Sonoma, 1st Street West, just south of RR depot 30 Comment
  CAS-BOT-BC167304  California macrophylla J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC376223  Callitriche marginata Greg de Nevers 1995-5-20 10729 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In road through Fern Canyon 487 Comment
  HSC100960  Callitriche marginata Peter Warner, Sarah Gordon 2011-5-16 199 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), 175 m E144 deg. S from swimming pool. 210 Comment
  JEPS82299  Calochortus amabilis Roger Raiche 1983-6-19 30413 A Sonoma n of Cazadero (the Cedars, above middle fork of Red Slide Creek) 457 Comment
Read comments
Oct 17 2013
  UCD112401  Calochortus amabilis Christopher Mallek 2008-5-2 HC1- 8 Sonoma Hooker Canyon. 590 Comment
  CAS-BOT-BC483274  Calochortus amabilis John H. Thomas 1966-5-8 11605 Sonoma 1.4 miles west of Napa-Sonoma county line, along road between Calistoga and Santa Rosa Comment
  CAS-BOT-BC483284  Calochortus amabilis Elsa Ruckert 1960-4-29 57 -408 Sonoma Trinity Road, 1/4 mile north form Highway 12 152 Comment
  SBBG57657  Calochortus amabilis H. E. and S. T. Parks 1930-5-9 605 Sonoma Alexander Valley Comment
  SEINET4152157  Calochortus amabilis H. E. Parks, S. T. Parks 1930-5-9 0605 Sonoma Alexander Valley, at edge of valley Comment
  CAS-BOT-BC492640  Calochortus luteus W. L. Jepson 1918-6-23 7656 Sonoma Windsor Comment
  CAS-BOT-BC492641  Calochortus luteus Volney Rattan 1885-5-9 s.n. Sonoma Sonoma Creek Comment
  POM169582  Calochortus luteus Michener, F. T. Bioletti 1893-05 s.n. Sonoma Los Guilicos Comment
  UC1299343  Calochortus raichei Freed W. Hoffman 1947-5-30 519 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC132643  Calochortus uniflorus Greg de Nevers 1996-4-18 10791 Sonoma Knights Valley, on Bavarian Lion Ranch; Knight's Valley Marsh on Bavarian Lion Ranch 137 Comment
  POM161089  Calochortus uniflorus Rimo C. Bacigalupi 1249 Sonoma Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
Read comments
Mar 30 2015
  UC65044  Calochortus uniflorus Milo S. Baker 1898-4-5 Sonoma between Stewarts Point Sea View Comment
  UCSC000752  Calycadenia multiglandulosa C. M. Hoak 2008-7-31 s.n. Sonoma Monte Rio Comment
  CAS-BOT-BC270846  Calycadenia pauciflora Marcus E. Jones 1931-7-5 21925 Sonoma The Geysers Comment
  CAS-BOT-BC270849  Calycadenia pauciflora 1877-6-26 s.n. Sonoma Geysers Comment
  JEPS86753  Calycadenia pauciflora Jack and Betty Guggolz 1990-6-22 1074 Sonoma n side of Ida Clayton Road, 2.15 mi from Hwy 128 438 Comment
  RSA135373  Calycadenia pauciflora Volney Rattan 1877-6-26 s.n. Sonoma Geysers Comment
  CAS-BOT-BC272756  Calycadenia truncata subsp. truncata John Thomas Howell 1932-10-9 10812 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  CAS-BOT-BC272759  Calycadenia truncata subsp. truncata Milo S. Baker 1932-10-9 6044 Sonoma Above Kenwood Sprg. South side of canyon Comment
  CAS-BOT-BC90990  Calycanthus occidentalis Peter Rubtzoff 1960-6-10 4492 Sonoma Fife Creek Marsh. Comment
  JEPS40306  Calycanthus occidentalis M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma near Guerneville (Russian River); Russian River Comment
  SD134013  Calycanthus occidentalis Greg de Nevers 1987-5-11 8180 Sonoma Pepperwood Rach Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 99 Comment
  UC192556  Calycanthus occidentalis Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  JEPS64304  Calypso bulbosa Herman and King 1919-4-15 Sonoma Camp Meeker Comment
  UC7776  Calyptridium umbellatum H. N. Bolander 1864-1 3973 Sonoma within 8 or 9 yards of The Geysers Comment
  UC1794971  Calystegia R. K. Brummitt and T. F. Daniel 1997-5-31 19615 Sonoma 10 km NE of Santa Rosa, Pepperwood Ranch Natural Preserve, near of Bechtel Cabin. Comment
  RSA0059767  Calystegia D. F. Howe 1969-5-28 s.n. Sonoma 13.5 miles north of Jenner on Highway 1. Comment
  UCR255740  Calystegia purpurata subsp. purpurata Greg de Nevers 1993-5-9 10440 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD125687  Calystegia subacaulis subsp. episcopalis Frederica Bowcutt 1996-5-24 2162 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Approx. 1.2 air miles S of Red Mountain. Adobe Canyon just NW of Sonoma/Rattlesnake Creek confluence. 365 Comment
  JEPS128239  Calystegia subacaulis subsp. subacaulis Roger Raiche 2000-5-4 080 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC498782  Camassia quamash subsp. linearis Peter Rubtzoff 1952-5-10 1030 Sonoma Lower part of the Upper Marsh; The Pitkin Marsh, near Forestville Comment
  RSA799990  Camissonia ovata Peter Rubtzoff 1969-5-24 6059 Sonoma 6.5 miles NE of Penngrove, on Lichan Road. 427 Comment
  RSA186605  Camissonia strigulosa Peter H. Raven 1963-4-28 18246 Sonoma between town of Bodega and Bodega Head. Comment
  CAS-BOT-BC266425  Campanula californica Mrs. E. C. Sutcliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  SEINET10463922  Campanula californica Rowntree 1931-7-15 ROWNTREE s.n. Sonoma SKYP SPRINGS ROAD Comment
  JEPS128369  Campanula griffinii Roger Raiche 2010-6-16 024 .10 Sonoma The Cedars. Peak Fork at Pygmy Fork, Mineral Spring Canyon. Bearpen Creek watershed (CalWater # 1114.120002). Comment
  SEINET10463208  Campanula prenanthoides Rowntree 1931-7-15 ROWNTREE s.n. Sonoma STEWART PT. SKAGGS SPRINGS ROAD SHADY BANK Comment
  OBI4431  Campsis radicans Robert J. Rodin 1968-9-9 8333 Sonoma On an old house in the contry on Ely Rd near Washington Blvd, Petaluma Comment
  RSA786866  Capsella bursa-pastoris Carrie A. Herd 1982-3-14 19 Sonoma Crane Creek Regional Park, above Crane Creek 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
  CAS-BOT-BC37761  Cardamine californica Milo S. Baker 1924-4-27 Local 104 c-24 Sonoma Coopers Grove. Comment
  UC72915  Cardamine californica Milo S. Baker 1898-4-3 Sonoma roadside between Guerneville and Cazadero; btwn Guerneville and Cazadero Comment
  UC1084357  Cardamine californica var. integrifolia G. Thomas Robbins 1937-3-26 16 Sonoma along highway to Sebastopol just w Wright School; w of Wright School Comment
  CAS-BOT-BC251241  Cardionema ramosissimum Peter Rubtzoff 1960-5-18 4369 Sonoma Bodega Head Marsh. Comment
  OBI63072  Carduus pycnocephalus R. K. Brummitt, A. Wolf, & R. W. Howe, R. W. Howe 1998-5-15 19862 Sonoma 17 km NNE of Healdsburg, on Pine Flat rd near Red Hill 650 Comment
  SEINET11843447  Carduus pycnocephalus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -160 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 120 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
  UCR248933  Carex athrostachya Peter Rubtzoff, Nancy Harrison 1974-7-13 7681 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC19365  Carex barbarae Catherine Best 1981-5-17 s.n. Sonoma About 2 miles East of Sonoma. Near the intersection of Lovall Valley Road and Wood Valley Road. Comment
  RSA364616  Carex bolanderi Christopher Davidson 1977-6-20 6034 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  CAS-BOT-BC34026  Carex brevicaulis Robert F. Thorne 1965-4-19 34321 Sonoma Harrison Grade 0.5 mile east of Stoetz Road. 152 Comment
  RSA52096  Carex buxbaumii J. T. Howell 1945-7-18 21327 Sonoma Pitkin Marsh Comment
  UC1227  Carex comosa Jos. Burtt Davy 1896-7-22 Sonoma flats along Russian River near Guerneville; Russian River Comment
  CAS-BOT-BC34424  Carex cusickii Peter Rubtzoff 1951-6-10 189 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC18983  Carex densa Peter Rubtzoff 1951-6-10 198 Sonoma The Pitkin Marsh, near Forestville. Between the Upper and the Lower Marshes. Comment
  CAS-BOT-BC18990  Carex densa Barrett Anderson 1987-4-27 3456 Sonoma Petaluma, south of El Rose and west of D street. 120 Comment
  CAS-BOT-BC20486  Carex densa Peter Rubtzoff 1951-7-7 369 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh. Comment
  JEPS73338  Carex densa Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 756 Sonoma 1 mi W of Two Rock junction Comment
  RSA758129  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Guerneville Marsh. Comment
  UC1586927  Carex densa Juha Pykala and D. H. Norris 1987-5-31 1303 Sonoma e Guerneville Road; Pitkin Marsh 35 Comment
  UC70609  Carex densa F. Bioletti 1893-5-22 Sonoma Glen Ellen 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-BC20479  Carex densa Alice Eastwood; John Thomas Howell 1936-5-19 2526 A Sonoma 2 miles north of Cloverdale. Comment
  UCD112441  Carex densa Peter Rubtzoff 1975-7-3 8150 Sonoma Kenwood Marsh. Comment
  UCSC000112  Carex dudleyi Coll. Klimansky 1934-4-30 s.n. Sonoma Llano road Comment
  UCD140314  Carex feta M. Wiesendanger 1927-5-5 720 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC20452  Carex globosa John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54676 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC28326  Carex gracilior John Thomas Howell 1947-6-5 23241 Sonoma Cunningham Marsh. Comment
  UCD112362  Carex gracilior Peter Rubtzoff 1954-6-20 1500 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC26257  Carex gracilior H. N. Bolander 1864-4-1 3822 Sonoma at Cloverdale Comment
  CAS-BOT-BC28370  Carex gracilior Peter Rubtzoff 1955-4-23 1779 Sonoma Bennett Mountain Lake. Comment
  SEINET7560150 Image available Carex gracilior Alice Eastwood, John Thomas Howell 1936-5-19 2499 Sonoma North limits of Santa Rosa. Comment
  RSA51940  Carex gynodynama J. T. Howell 1947-6-5 23231 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC146602  Carex gynodynama Alice Eastwood; John Thomas Howell; J. W. Stacey 1937-5-31 4495 Sonoma 2 miles south of Gualala River, Sonoma coast Comment
  UC70632  Carex gynodynama J. Burtt Davy July 1896 Sonoma between Russian River Station and Guerneville (n side of river, in an overflow pool); Russian River Comment
  CAS-BOT-BC21907  Carex harfordii Peter Rubtzoff 1960-5-16 4350 Sonoma Duncan Mills Marsh. In upper portion of the marsh. Comment
  CAS-BOT-BC21908  Carex harfordii Peter Rubtzoff 1951-6-10 199 Sonoma The Pitkin Marsh, near Forestville. Between the upper and the lower marshes. Comment
  CAS-BOT-BC21912  Carex harfordii Peter Rubtzoff 1951-6-9 166 Sonoma The Pitkin Marsh, near Forestville. A damp opening south of the upper marsh. Comment
  UCR248725  Carex hassei Peter Rubtzoff 1962-5-11 4819 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  CAS-BOT-BC31170  Carex lemmonii Milo S. Baker 1946-5-13 11392 Sonoma Marsh adjoining Pitkin Ranch on the North. Comment
  SEINET10894836  Carex leptopoda Lewis S. Rose 1964-6-3 Rose 64051 Sonoma N. end of Bodega Bay swamp. 2 Comment
  CAS-BOT-BC422366  Carex nudata Peter Rubtzoff 1962-5-6 4811 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  UC70453  Carex nudata Jos. Burtt Davy Jul 1896 Sonoma below Guerneville (along Russian River) Comment
  CAS-BOT-BC119579  Carex nudata Helen D. Geis 1902-8-1 564 Sonoma Sulphur Cr. Comment
  SD88337  Carex obnupta Darley F. Howe 1972-5-2 Sonoma Duncan Mills Pond. Comment
  UC1100482  Carex obnupta Malcolm A. Nobs and S. Galen Smith 1949-8-1 1111 Sonoma 2 mi e Stewart's Point (on road to Geyserville) Comment
  CAS-BOT-BC119317  Carex obnupta P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC119318  Carex obnupta LeRoy Abrams 1920-7-3 7606 Sonoma Gualala River near Mendocino-Sonoma Co. Line. Comment
  CAS-BOT-BC310304  Carex obnupta Peter Rubtzoff 1964-7-29 s.n. Sonoma Bodega Bay Marsh. Comment
  JEPS117098  Carex pachystachya Peter Warner 2010-7-7 170 Sonoma Jenner Headlands, Middle Pasture, ~ 565 m, S 223 deg W of residence house Comment
  UCR248918  Carex pachystachya var. pachystachya Peter Rubtzoff 1974-6-2 7504 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC118943  Carex pellita John Thomas Howell 1945-8-14 21410 Sonoma Perry marsh. Comment
  UCR248723  Carex pellita Peter Rubtzoff 1962-5-11 4820 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  CAS-BOT-BC118329  Carex praegracilis John Thomas Howell 1947-6-26 23295 Sonoma Cunningham Marsh Comment
  UCR248926  Carex serratodens Peter Rubtzoff 1957-5-11 3341 Sonoma Occidental Marsh Comment
  UCR248927  Carex simulata Peter Rubtzoff 1975-7-3 8146 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC173805  Carex stipata Peter Rubtzoff; Nancy Harrison 1978-5-20 9178 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  RSA0022361  Carex subbracteata Peter Rubtzoff 1962-6-1 4868 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC116785  Carex subbracteata var. subbracteata Peter Rubtzoff 1957-5-26 3369 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC320500  Carex subbracteata var. subbracteata Peter Rubtzoff 1976-5-30 8564 Sonoma Kenwood Marsh. Comment
  UCR248871  Carex tumulicola Peter Rubtzoff 1959-4-18 4035 Sonoma Laguna de Santa Rosa, NE of Graton, c. 0.5 mi north of Guerneville Rd. crossing 21 Comment
  UCR248922  Carex tumulicola Peter Rubtzoff 1957-5-26 3359 Sonoma Occidental Marsh Comment
  CAS-BOT-BC281882  Carthamus T. C. Fuller 1969-9-16 18901 Sonoma Ca 1 mile W of the Asti turn-off of the freeway, Highway 101, Asti Comment
  CAS-BOT-BC281916  Carthamus lanatus Peter H. Raven; R. Snow 1958-7-23 13684 Sonoma Near a farm above Wolf Creek, along road to Stewart's Point, 15.5 miles W of Skaggs Springs Comment
  CAS-BOT-BC281919  Carthamus lanatus Walter & Irja Knight; J. T. Howell 1988-7-9 s.n. Sonoma SE corner Adobe Rd and Petaluma Hill Rd. Penngrove Comment
  SEINET13331044 Image available Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma 0.25 acre of weed scattered over 2 acres, abundant on both slopes of the dam of a reservoir, about 1 mi. W. of the Asti turn-off of the freeway, Hwy 101, Asti Comment
  UCD164105  Castilleja Peter Rubtzoff; Nancy Harrison 1978-5-20 9189 Sonoma Cunningham Marsh area, north side of Blucher Creek Valley. Comment
  CAS-BOT-BC249236  Castilleja affinis Milo S. Baker 1924-4-27 102 Local-'24 Sonoma Road to Coopers Grove Comment
  UCD122116  Castilleja ambigua subsp. ambigua Frederica Bowcutt 1984-6-23 449 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg on the Sonoma County coast. West of Highway 1, about 1/2 mile north of Gerstle Cove. 15 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
  UC65828  Castilleja densiflora subsp. densiflora A. A. Heller 1902-4-18 5307 Sonoma Windsor Comment
  CAS-BOT-BC243856  Castilleja latifolia John Thomas Howell 1934-3-3 11735 Sonoma Bodega Bay Comment
  CAS-BOT-BC243859  Castilleja latifolia John Thomas Howell 1930-7-27 5401 Sonoma 1 mile north of Fort Ross Comment
  JEPS19385  Castilleja subinclusa subsp. franciscana G. Thomas Robbins 1938-4-15 256 Sonoma 2.5 mi e Bodega Bay (along road to Bodega) Comment
  JEPS60451  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-29 6689 Sonoma 2.9 mi s Russian River (Highway 1) Comment
  UC1032389  Castilleja wightii H. S. Yates 1934-4-21 3811 Sonoma Bodega Point; Duncan Mills Quad. 7 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
  HSC10890  Catapodium rigidum Leo Koch 1940-5-19 964 Sonoma 349 Second Ave., Santa Rosa Comment
  CAS-BOT-BC39434  Caulanthus lasiophyllus R. D. Stone 1983-6-14 541 Sonoma Headwaters of Squaw Creek drainage. Ca. 1.2 mile northwest of Geyser Rock. 1005 Comment
  UC1071513  Ceanothus C. M. Belshaw 1936-3-8 1583 Sonoma .75 mi n. Annadel (nw of Kenwood); Santa Rosa Quad. Comment
  CAS-BOT-BC48514  Ceanothus confusus Alice Eastwood 1923-5-9 11749 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC48519  Ceanothus confusus John Thomas Howell 1933-4-2 10937 Sonoma Mt. Hood, Sonoma Creek Canyon Comment
  CAS-BOT-BC48522  Ceanothus confusus J. Clausen 1933-3-26 739 Sonoma Rincon Range east of Santa Rosa Comment
  OBI10271  Ceanothus confusus H. E. McMinn 1944-11-5 5451 Sonoma From Olive orchard, Rincon Ridge Comment
  SEINET12211234  Ceanothus confusus W. Knight, Knight, I.; Edwards, S. 1985-1 6331 Sonoma Bradford Mt. NW of Healdsburg 762 Comment
  UCD111362  Ceanothus confusus G. F. Hrusa; R. Gross 1995-11-8 12469 Sonoma on N side of Adobe Canyon Road. Comment
  UCD111749  Ceanothus cuneatus G. F. Hrusa 1995-4-2 12041 Sonoma along Franz Valley School Road, approximately 1.25 miles NW of Napa/Sonoma county line. 250 Comment
  UC1299546  Ceanothus cuneatus var. cuneatus Freed W. Hoffman 1947-5-30 520 Sonoma Layton Mine, Auston Creek North Coast Ranges Comment
  UC1299547  Ceanothus cuneatus var. cuneatus Freed W. Hoffman 1947-2-28 767 Sonoma near Healdsburg (Wild Hog Ridge, heatwaters of Palmer Creek, a branch of Mill Creek); North Coast Ranges Comment
  RSA0028419  Ceanothus divergens A. A. Heller, H. E. Brown 1902-3-27 9008 Sonoma Western base of Mt. Hood. Comment
  UC1614464  Ceanothus foliosus Charles M. Belshaw 1936-3-8 1580 Sonoma 3 1/2 mi. n.w. Kenwood; Inner N. Coast Range 144 Comment
  UC18322  Ceanothus foliosus State Survey 1862-4-18 984 Sonoma near Sonoma Comment
  CAS-BOT-BC64419  Ceanothus foliosus subsp. vineatus John Thomas Howell 1941-4-5 16173 Sonoma Raven Ridge. Comment
  CAS-BOT-BC64422  Ceanothus foliosus subsp. vineatus W. R. Hildreth 1967-10-3 1071 Sonoma Vine Hill School rd., ca. 1/2 mi. e. of Vine Hill Road. Comment
  RSA107848  Ceanothus foliosus var. vineatus L. S. Rose 1955-6-2 s.n. Sonoma Junction of Vine Hill and School Roads, 10 miles west of Santa Rosa. 46 Comment
  RSA178021  Ceanothus foliosus var. vineatus Robert F. Thorne 1965-4-19 34311 Sonoma Guerneville Hwy, 1 mile E of Laguna Road; 4 miles W of Santa Rosa. 46 Comment
  CAS-BOT-BC50014  Ceanothus gloriosus John Thomas Howell 1937-4-11 12904 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  RSA285634  Ceanothus gloriosus var. exaltatus D. C. Michener 1982-7-26 4119 Sonoma Frei road 0.1 mile east of jct with Hwy 166 (east of Graton) Comment
  CAS-BOT-BC63735  Ceanothus griseus Dorothy Scherer 1996-3-16 002 Sonoma Winderemere Point, Fort Ross State Historic Park. 24 Comment
  UC486541  Ceanothus griseus Mrs. G. Earle Kelly 1932-6-13 Sonoma 4.5 mi n Ft. Ross Comment
  UCD112175  Ceanothus incanus Collector unknown Date unknown s.n. Sonoma southeastern part of county. Comment
  UC80042  Ceanothus integerrimus Katharine Brandegee May 1890 Sonoma Geysers Comment
  UCD111962  Ceanothus integerrimus Beecher Crampton 1954-4-26 1795 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  CAS-BOT-BC50646  Ceanothus jepsonii J. Clausen 1933-3-26 748 Sonoma Summit of Harrison Grade. Between Graton and Occidental Comment
  CAS-BOT-BC51870  Ceanothus parryi H. E. McMinn 1922-6-7 165 Sonoma Camp Meeker Comment
  UC1071243  Ceanothus parryi A. Lewis 1932-5-14 77 Sonoma Calabasas Creek Napa Quadrangle 457 Comment
  CAS-BOT-BC53037  Ceanothus sonomensis John Thomas Howell 1935-5-5 12609 Sonoma West slope of Hood Peak Range near summit of Triniti P.O. Road Comment
  CAS-BOT-BC53038  Ceanothus sonomensis Walter Knight; Irja Knight; John Thomas Howell 1984-10-12 5076 Sonoma Cavedale Road 640 Comment
  RSA755235  Ceanothus sonomensis Dylan O. Burge 2007-4-26 DOB 895 c Sonoma Mayacmas Mts.: head of Hooker Canyon, roadside on Cavedale Road, 4.0 road miles east of SR 12, 4.9 km 85 degrees true ENE of Glen Ellen. 560 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
  SEINET12211278  Ceanothus sonomensis W. Knight, Schmidt, C. 1987-1 6055 Sonoma Cavedale Road 274 Comment
  CAS-BOT-BC52394  Ceanothus velutinus Bell Richardson Jackson 1924-8-1 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC52399  Ceanothus velutinus Walter Knight; Irja Knight 1963-12-27 468 Sonoma Summit. Pine Flat Rd. Comment
  OBI70820  Celtis reticulata Matt Ritter 2009-7-2 s.n. Sonoma Street tree in Petaluma Comment
  UC397072  Centaurea iberica Grace M. Cole 1929-7-29 Sonoma Santa Rosa Comment
  UCD55332  Centaurium tenuiflorum Ellen Dean 2006-6-28 3176 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. East side of Pepperwood Reservoir. 150 Comment
  CDA388  Centaurium venustum D. G. Kelch 2003-7-14 3 .379 Sonoma Cavedale Road. Comment
  CAS-BOT-BC288816  Centromadia fitchii Helen D. Geis 1902-8-1 572 Sonoma Unspecified Comment
  CAS-BOT-BC271544  Centromadia parryi subsp. parryi John Thomas Howell 1930-10-5 5530 Sonoma Dry field 5.8 miles SW of Sonoma on Black Point cutoff Comment
  CAS-BOT-BC251267  Cerastium Peter Rubtzoff 1964-5-20 5315 Sonoma Brooks Gulch Marsh. Comment
  RSA800604  Cerastium Peter Rubtzoff 1954-8-13 1707 Sonoma Bodega Head Marsh. Comment
  UCD166455  Cerastium Peter Rubtzoff 1954-8-13 1707 Sonoma Bodega Head Marsh. Comment
  UCD166484  Cerastium Peter Rubtzoff 1964-5-20 5315 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC384974  Cerastium arvense Roxana S. Ferris 1940-3-21 9840 Sonoma About 1/2 mi. n. of Fort Ross on State Highway #1 Comment
  UC1026472  Cerastium glomeratum Peter Rubtzoff 1952-5-10 1012 Sonoma Pitkin Marsh near Forestville (lower part of Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC388436  Cerastium glomeratum G. DeNevers 1981-4-16 713 Sonoma Pepperwood Ranch. Garrison Canyon, by shack Comment
  CAS-BOT-BC388439  Cerastium glomeratum Peter H. Raven 1954-2-27 6423 Sonoma Cavedale Road, ca. 3 miles n. of Boyes Springs, Sonoma Valley Comment
  HSC41605  Chamaemelum fuscatum J. P. Smith 1977-3-26 9014 Sonoma Dutcher Creek Rd., 0.7 mi. from its jct. with U.S. 101 Comment
  POM138055  Chamaesyce serpillifolia M. S. Baker 1898-11-25 744 Sonoma Russian River near Healdsburg. Comment
  CAS-BOT-BC178699  Chenopodiaceae Peter Rubtzoff 1976-9-25 8903 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC166902  Chenopodium Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7844 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC166658  Chenopodium Peter Rubtzoff 1969-9-21 6184 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA783839  Chenopodium Peter Rubtzoff 1971-7-23 6617 Sonoma Laguna, Chileno Valley. Comment
  RSA783840  Chenopodium Peter Rubtzoff 1971-8-9 6638 Sonoma Laguna, Chileno Valley. Comment
  UCD97920  Chenopodium berlandieri Mary M. Hektner 1974-7-24 163 A Sonoma west end of Wildmoor Reach in Island of cypress; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC7286  Chenopodium botrys J. Burtt Davy Aug. 1896 4138 Sonoma Russian River Comment
  CAS-BOT-BC499257  Chlorogalum pomeridianum Peter Rubtzoff 1951-7-14 473 Sonoma Pitkin Marsh, near Forestville, western branch of the Upper Marsh Comment
  CAS-BOT-BC499258  Chlorogalum pomeridianum C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  SEINET12049872  Chlorogalum pomeridianum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -238 Sonoma end of Stoetz Road 200 Comment
  UCD138412  Chlorogalum pomeridianum var. divaricatum P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC191512  Chorizanthe cuspidata var. villosa H. D. Ripley; R. C. Barneby 1945-6-22 6950 Sonoma Bodega Bay 15 Comment
  CAS-BOT-BC32799  Chorizanthe cuspidata var. villosa Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  POM165491  Chorizanthe cuspidata var. villosa Katherine Brandegee 1905-06 s.n. Sonoma Bodega Bay Comment
  RSA8361  Chrysanthemum segetum L. S. Rose 1933-5-9 33154 Sonoma Bodega Bay. Comment
  UCR249044  Cirsium Peter Rubtzoff 1960-9-14 4546 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  UCD148368  Cirsium arvense Peter Rubtzoff 1955-8-13 2049 Sonoma Willow Creek Marsh. Comment
  POM53745  Cirsium douglasii var. breweri A. A. Heller 1902-7-2 5804 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  UC1357630  Cirsium douglasii var. douglasii R. F. Hoover 1966-6-17 9914 Sonoma n of Alexander Valley; Sausal Creek Comment
  UC178901  Cirsium douglasii var. douglasii Katharine Brandegee 1905-6-25 Sonoma Bodega Comment
  SEINET11842966  Cirsium occidentale var. coulteri F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -197 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 830 Comment
  JEPS59209  Cirsium occidentale var. occidentale unknown 1925-7-25 86 Sonoma Bodega Pt. Comment
  CAS-BOT-BC280369  Cirsium occidentale var. venustum Peter Rubtzoff 1952-6-3 1144 Sonoma South slope of Fitch Mtn., near Healdsburg Comment
  UC894320  Cirsium occidentale var. venustum A. A. Heller 1902-6-24 5753 Sonoma near Burke's Sanitarium Comment
  CAS-BOT-BC280366  Cirsium occidentale var. venustum Walter Knight; Irja Knight 1967-7-24 1966 Sonoma Between Santa Rosa and St. Helena on St. Helena Road about 2 miles from Napa County line Comment
  UC30831  Cirsium occidentale var. venustum F. T. Bioletti 1892-7-1 Sonoma Chauvert's Comment
  UC30823  Cirsium quercetorum W. A. Setchell 1897-6-1 Sonoma Fort Ross Comment
  RSA0070858  Cirsium quercetorum J. T. Howell 1930-6-8 5247 Sonoma 1 mile east of Bodega Bay. Comment
  CAS-BOT-BC285749  Cirsium remotifolium John Thomas Howell 1936-7-26 12664 Sonoma 2 1/2 miles from Camp Meeker on road to Monte Rio Comment
  SBBG7970  Cirsium scariosum var. citrinum H. and M. Dearing 1939-5-14 3370 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  RSA108390  Clarkia amoena subsp. huntiana Harlan Lewis, M. Lewis 1951-7-10 870 Sonoma 0.1 mile west of Mark West Spring Comment
  CAS-BOT-BC172206  Clarkia concinna Rimo Bacigalupi 1926-5-2 1397 Sonoma Cazadero Comment
  CAS-BOT-BC172209  Clarkia concinna Peter Rubtzoff 1952-6-9 1184 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC172210  Clarkia concinna A. A. Heller 1940-5-10 15600 Sonoma Near Fort Ross on a roadside bank. Comment
  CAS-BOT-BC172211  Clarkia concinna A. A. Heller 1938-5-14 15087 Sonoma Slope east of Bodega Bay 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
  UCD158789  Clarkia gracilis James A. Neilson Jr. 1974-6-1 2876 Sonoma Mayacmas Mountains, Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  JEPS43826  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 18 Sonoma 1/2 mi e Glen Ellen 30 Comment
  UC58863  Clarkia gracilis subsp. sonomensis Milo S. Baker 1898-6-12 670 Sonoma between Cloverdale and Geyserville Comment
  CAS-BOT-BC163143  Clarkia gracilis subsp. sonomensis Frank W. Hubby 1894-6-1 s.n. Sonoma Windsor Comment
  POM153237  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 19 Sonoma Sonoma to Santa Rosa Highway, 0.5 mile south of junction with road to Glen Ellen. 30 Comment
  LA30762  Clarkia imbricata Peter H. Raven; Richard Snow 1958-7-23 13692 Sonoma at 4551 Vine Hill Road, near Pitkin Marsh Comment
  SD51807  Clarkia imbricata Peter H. Raven, Richard Snow 1958-7-23 13691 Sonoma Very near type locality; common in grassy field at 4551 Vine Hill Road near Pitkin Marsh. Comment
  RSA0060039  Clarkia imbricata Peter H. Raven, R. Snow 1958-7-23 13692 Sonoma 4551 Vine Hill Road, near Pitkin Marsh Comment
  UCD161396  Clarkia rhomboidea James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge crest between Big Sulphur Creek and Squaw Creek. (Exact location unkown. Coordinates estimated by label maker.) Comment
  UCD55329  Clarkia unguiculata Ellen Dean 2006-6-28 3172 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  RSA22256  Clarkia unguiculata Blanche Clear 1938-5-28 s.n. Sonoma Alexander Valley toward Geyserville Comment
  RSA448463  Clarkia unguiculata Christopher Davidson 1977-6-20 6020 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  CAS-BOT-BC439412  Claytonia gypsophiloides Ira L. Wiggins 1949-4-30 12062 Sonoma 6.8 miles east of Santa Rosa on road to Calistoga Comment
  CAS-BOT-BC439403  Claytonia gypsophiloides Peter H. Raven; H. L. Mason; R. Ornduff; et al 1957-3-23 10530 Sonoma 1.1 mi. s. of Mendocino Co. line on State Highway 128, n. of Cloverdale Comment
  HSC23387  Claytonia gypsophiloides G. G. Poulsen, Jr. 1971-4-10 8 Sonoma 17 mi. N of Cloverdale, 10 mi. W on Hwy. 28 610 Comment
  HSC49616  Claytonia gypsophiloides R. York 1979-4-8 202 Sonoma Along Hwy. 128, 2 mi. N of Calistoga 305 Comment
  POM164088  Claytonia gypsophiloides A. A. Heller, H. E. Brown 1902-3-16 4611 Sonoma Russian River, Near Trenton Comment
  RSA0017422  Clematis ligusticifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CHSC101621  Clintonia andrewsiana David W. Isle; Rhonda Isle 2005-11-11 1632 Sonoma SE of Gualala, along drainage, just west of bridge, south of road between Annapolis and Stewart's Point in old growth redwood forest. Comment
  SEINET12047064  Clintonia andrewsiana Unknown 1972-1 s.n. Sonoma Willow Creek, 4 mi S to SE of Jenner, in N-S canyon paralleling coast 30 Comment
  SEINET12050384  Clintonia andrewsiana F. H. Utech 1988-1 88 -202 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  UCD13248  Clintonia andrewsiana Becky Wilson 1973-5-31 115 Sonoma Canyon Rd, W of Geyserville. Comment
  UC26616  Collinsia greenei H. N. Bolander 1866-1 3968 Sonoma The Geysers Comment
  SEINET12329976  Collinsia heterophylla F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -206 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 440 Comment
  UC192679  Collinsia sparsiflora var. arvensis Michener and Bioletti 1893-4-1 Sonoma Kenwood Comment
  UC26556  Collinsia sparsiflora var. arvensis Edw. L. Greene 1892-4-20 Sonoma Knight's Valley Comment
  UC26649  Collinsia sparsiflora var. arvensis Alice King May 1897 Sonoma Healdsburg Comment
  UC614984  Collinsia sparsiflora var. arvensis Beryl O. Schreiber 1932-4-3 194 Sonoma road to Petrified Forest Comment
  RSA780088  Collinsia sparsiflora var. arvensis Lyman Benson 1935-3-31 6406 Sonoma U. S. 101, Healdsburg, North Coast Mt. Range, Russian River Watershed 244 Comment
  JEPS22935  Collinsia sparsiflora var. sparsiflora Volney Rattan 1880 Sonoma Healdsburg Comment
  POM14840  Collinsia sparsiflora var. sparsiflora A. A. Heller, H. E. Brown 1902-4-11 5268 Sonoma Bodega Bay Comment
  UC58446  Collinsia sparsiflora var. sparsiflora A. A. Heller 1903-4-23 6601 Sonoma Fort Ross Comment
  UCSB23001  Collinsia sparsiflora var. sparsiflora McCarthy, Sharon 1965-4-11 Sonoma near Lake Ilsanjo; about 2.5 air miles southeast of Lake Ralphine 228 Comment
  SD6974  Collinsia tinctoria Michener, Bioletti 1892-7-4 1666 a Sonoma Shagg's Springs Comment
Read comments
Jun 10 2012
  UCSB31777  Collinsia tinctoria Townsend, J. 1977-5-30 Sonoma East side Russian river; about 2 miles south of Guerneville 335 Comment
  HSC20637  Cordylanthus pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge, E of Santa Rosa 91 Comment
  UC1239006  Cordylanthus pilosus subsp. pilosus Freed W. Hoffman 1946-8-14 783 Sonoma e of Camp Meeker Comment
  CAS-BOT-BC238227  Cordylanthus tenuis subsp. brunneus Francis W. Pennell 1940-7-3 26044 Sonoma Hoods Peak, n.e. of Kenwood 731 Comment
  UC1012239  Cordylanthus tenuis subsp. brunneus Francis W. Pennell 1904-7-3 26044 Sonoma ne Kenwood (summit); Hoods Peak 701 Comment
  JEPS74989  Cordylanthus tenuis subsp. capillaris T. I. and F. M. Chuang 1975-7-5 7520 Sonoma n Occidental (Stoetz Lane, about 3/4 mi w of Harris Grade Road) Comment
  OBI9576  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1962-1 Sonoma Comment
  UC1239007  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1946-8-14 784 Sonoma e Camp Meeker (on serpentine island); North Coast Ranges Comment
  UC761837  Cordylanthus tenuis subsp. capillaris R. F. Hoover 1942-7-13 5916 Sonoma 3 mi s Monte Rio Comment
  CAS-BOT-BC101573  Corethrogyne filaginifolia Mary P. Wells 1982-7-3 s.n. Sonoma Unit 34A, The Sea Ranch Comment
  CAS-BOT-BC212294  Cornus glabrata Alice Eastwood 1915-6-5 4578 Sonoma Petrified Forest Comment
  CAS-BOT-BC210429  Cornus sericea Peter Rubtzoff 1951-7-22 534 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC210430  Cornus sericea G. DeNevers 1981-4-25 869 Sonoma Pepperwood Ranch. Mark West Creek and Leslie Creek Comment
  CAS-BOT-BC210431  Cornus sericea G. DeNevers 1981-5-2 907 Sonoma Pepperwood Ranch. Confluence of Leslie Creek and Mark West Creek Comment
  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
  CAS-BOT-BC210472  Cornus sericea subsp. occidentalis Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy. 1 mile north of Freestone Comment
  UC1042524  Cornus sericea subsp. sericea Peter Rubtzoff 1951-6-7 126 Sonoma Pitkin Marsh near Forestville (uppermost part of w. branch of Upper Marsh) Comment
  CDA13750  Corylus cornuta var. californica G. F. Hrusa, R. Gross 1997-2-1 13620 Sonoma North Coast Ranges; Kortum Canyon Rd., approx. 1/4 mi. W of Hwy 29, immed. W of downtown Calistoga. Comment
Read comments
Jul 28 2008
  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-BC173589  Cotula coronopifolia Peter Rubtzoff 1959-6-6 4091 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC210150  Cotula coronopifolia Peter Rubtzoff 1954-8-13 1718 Sonoma Bodega Head Marsh. Comment
  JEPS86784  Crassula solieri Reid Moran, Chas. Quibell 1991-5-15 31053 Sonoma 1 km. e. Glen Ellen (Rte. 12 0.5 km s. of Arnold Dr., Sonoma Valley Regional Park); Sonoma Valley Regional Park 110 Comment
  CAS-BOT-BC368038  Crataegus Greg de Nevers 1998-10-2 11309 Sonoma Santa Rosa; Santa Rosa Creek at Fulton Road Comment
  SJSU7519  Croton setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 mi NE of Penngrove 426 Comment
  UCD142044  Croton setiger Frederica Bowcutt 1994-6-24 1886 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Lower Bald Mountain trail. 426 Comment
  CDA36155  Crupina vulgaris Michael Perlmutter 2011-5-26 Sonoma Private land, owned by Fairway View Estates, adjacent to Annadel State Park. 0 Comment
  CAS-BOT-BC190180  Crypsis vaginiflora Peter Rubtzoff 1958-8-16 3869 Sonoma Laguna de Santa Rosa north of Sebastapol (near Occidental Road). Comment
  CAS-BOT-BC190181  Crypsis vaginiflora Peter Rubtzoff 1966-8-18 5788 Sonoma Laguna de Santa Rosa ca. 1 mile east southeast of Sebastapool. Comment
  POM64218  Cryptantha leiocarpa A. A. Heller 1902-5-27 5615 Sonoma Bodega Bay Comment
  UC908734  Cryptantha muricata Milo S. Baker 1947-5-7 11735 Sonoma near base of Sugar Loaf (sw slope of Hood Mt.); Hood Mt. 365 Comment
  CAS-BOT-BC85459  Cupressus sargentii Robert Francis Hoover 1968-2-23 10895 Sonoma Harrison Grade Rd. near summit, serpentine area Comment
  CAS-BOT-BC85467  Cupressus sargentii J. Clausen 1933-3-26 749 Sonoma Summit of Harrison Grade; on serpentine rock and gravel. Between Graton and Occidental Comment
  CAS-BOT-BC85468  Cupressus sargentii Rimo Carlo Felice Bacigalupi 1935-7-12 2374 Sonoma Pine Flat, southern end Mayacamas Range, 10 miles east of Healdsburg. Comment
  CAS-BOT-BC85472  Cupressus sargentii J. Ed. McClellan; Mrs. J. Ed. McClellan 1975-1-11 s.n. Sonoma Harrison Grade Rd. Comment
  CAS-BOT-BC85475  Cupressus sargentii Roxana Stinchfield Ferris; L. Lorraine 1961-6-15 13565 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road Comment
  UC1193104  Cupressus sargentii R. H. Neuns 1950-5-5 105 Sonoma 2.5 mi w Mercuryville (Quad 60B4) 914 Comment
  NY16847  Cupressus sargentii C. B. Wolf 1934-10-13 6184 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UC1026477  Cynodon dactylon Peter Rubtzoff 1951-7-14 425 Sonoma Pitkin Marsh, southern half of Lower Marsh; near Forestville Comment
  SEINET9355702  Cynoglossum grande John Nelson, Wnek, R. 2000-3-7 20935 Sonoma Open ground of steep slope, N edgeo f Hwy 116 just W of Fern Grove cabins on W side of Guerneville With Oxalis oregana, Stachys rigida, Nemophila parviflora, Comment
  CAS-BOT-BC190433  Cynosurus echinatus G. DeNevers 1981-5-5 957 Sonoma Pepperwood Ranch. On the bench south of the Studio. Comment
  SD88320  Cynosurus echinatus D. F. Howe 1972-6-28 Sonoma 4.5 miles north of Jenner 121 Comment
  UC576275  Cynosurus echinatus Virginia Bufford May 1936 Sonoma one mi nw Bodega Road; Sebastopol Quad. 60 Comment
  UCD60140  Cynosurus echinatus Gerry North 1993-4 47 Sonoma Flora of Sugarloaf Ridge State Park. Ca. 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood and 18 air miles northwest of Napa. At first pullout on right after Goodspeed trailhead, less that 0.2 mile east of park entrance gate. 243 Comment
  UCR253370  Cynosurus echinatus Peter Rubtzoff 1974-5-25 7460 Sonoma Upper Green Valley Marsh 76 Comment
  RSA0023081  Cynosurus echinatus Peter Rubtzoff 1974-5-25 7460 Sonoma Upper Green Valley Marsh. Comment
  UCD60175  Cynosurus echinatus R. Tofsrud 1948-5-1 s. n. Sonoma Northeast Sonoma County. Comment
  CAS-BOT-BC350926  Cyperus Peter Rubtzoff 1978-7-19 9239 Sonoma Russian River at Del Rio Beach, c. 2.5 miles east of Healdsburg on South Fitch Mountain Road. Comment
  CAS-BOT-BC114353  Cyperus erythrorhizos Peter Rubtzoff 1958-9-21 4001 Sonoma Vacation Beach, near Guerneville. Open, wet sandy margin of Russian River. Comment
  CAS-BOT-BC113914  Cyperus niger var. capitatus Peter Rubtzoff 1958-8-23 3902 Sonoma Laguna de Santa Rosa E of Cunningham (nr. Llamo Road). Comment
  UC410708  Cypripedium californicum A. L. Graff 1928-5-22 Sonoma headwaters of Austin Creek Comment
  UCD57958  Cypselea humifusa Brenda Grewell 2007-5-24 s.n. Sonoma Grown out from soil collected at braided side channel Laguna de Santa Rosa. West side across from confluence with Gravenstein Creek. South of Sebastopol. DFG Laguna Wildlife Area. Near Cooper Road. Comment
  UC1063767  Cystopteris fragilis E. Armstrong 1934-3-26 919 Sonoma 3 mi w Camp Meeker; Sebastopol Quadrangle Comment
Read comments
Nov 14 2007
  CAS-BOT-BC189803  Dactylis glomerata G. DeNevers 1981-5-20 1230 Sonoma Pepperwood Ranch. Leslie Creek and Mark West Creek. Comment
  UCR248714  Dactylis glomerata Peter Rubtzoff 1968-7-13 5921 Sonoma Upper Salmon Creek Marsh Comment
  RSA0022473  Dactylis glomerata Peter Rubtzoff 1968-7-13 5921 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC445554  Damasonium californicum Peter Rubtzoff 1965-6-20 5559 Sonoma Petaluma Creek 4 mi. northwest of Petaluma (on Stony Point Rd). Comment
  CAS-BOT-BC445560  Damasonium californicum J. W. Congdon 1880-5-16 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC445561  Damasonium californicum David L. Morgan 1961-4-25 s.n. Sonoma 3 mi. SW of Cotati, junc. of Pepper and Meacham Rds growing in Stemple Creek Comment
  CAS-BOT-BC192277  Danthonia californica John Thomas Howell 1935-5-5 12611 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC192278  Danthonia californica John Thomas Howell 1930-6-8 5217 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  LA11230  Danthonia californica John Thomas Howell; 1935-5-5 12611 Sonoma 6 mi from Santa Rosa, on rd to Sonoma Comment
  SD180627  Danthonia californica Beecher Crampton 1965-5-13 7339 Sonoma ca. 8.5 miles southeast of Geyserville; south end of Alexander Valley; junction of Calistoga (highway 128) and Chalk Hill Road Comment
  UCD21145  Danthonia californica Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 320 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  UCD60307  Danthonia californica R. Tofsrud 1941-5-1 28 Sonoma Behind old Santa Rosa Cemetery. Comment
  UCD60473  Danthonia californica Winfield H. Hart 1965-2-2 s.n. Sonoma Sonoma Coast State Park, Shell Beach. Comment
  UCD60515  Danthonia californica R. Tofsrud 1948-6-24 s.n. Sonoma Arata Ave. just off Hwy. 101, nort of East Windsor. Comment
  UCD60988  Danthonia californica John Thomas Howell 1930-6-8 5217 Sonoma 8 miles W of Petaluma on Bodega Road. Comment
  UCD61031  Danthonia californica Gerry North 1993-4 37 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
  RSA126872  Danthonia californica var. americana H. S. Yates 1937-5-30 6541 Sonoma 1.5 miles northeast of Graton 30 Comment
  UCD60524  Danthonia californica var. americana R. Tofsrud 1948-6-24 s.n. Sonoma Old cemetery at end of McDonald Ave., Santa Rosa. Comment
  RSA114300  Danthonia californica var. californica J. T. Howell 1957-6-13 32622 Sonoma slope bordering Pitkin Marsh Comment
  RSA126595  Danthonia californica var. californica H. S. Yates 1937-5-30 6540 Sonoma 1.5 miles northeast of Graton. 30 Comment
  UC19640  Datisca glomerata F. T. Bioletti 1891-9-7 Sonoma Los Guilucos Comment
  UCD69062  Daucus pusillus P. Rodriguez-Rojo 1997-5-17 Sonoma :Sonoma County Lake Sonoma. Springs Rd. Serpentine annual grasslands. UTM: 10SEN0085 360 Comment
  CAS-BOT-BC293815  Deinandra corymbosa Milo S. Baker 1930-6-1 4168 a Sonoma Fappiano's Ranch just north of his Subdivision on Russian River. Near Healdsburg Comment
  UCD131046  Deinandra corymbosa Mary M. Hektner 1975-8-14 223 Sonoma road cut not far from hedgerow separating Units 28 and 34-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD166347  Deinandra corymbosa Peter Rubtzoff 1954-8-3 1646 Sonoma Bodega Head Marsh. Comment
  SEINET11845323  Delairea odorata W. Knight, Knight, I. 1990-1 6568 Sonoma along Coast Hwy #1 northbound through Jenner Comment
  CAS-BOT-BC9021  Delphinium decorum M. Hallet 1925-3-2 s.n. Sonoma Graton Comment
  RSA31776  Delphinium decorum A. A. Heller 1938-5-14 15089 Sonoma East of Bodega Bay. Comment
  CAS-BOT-BC10098  Delphinium luteum John Thomas Howell 1930-6-8 5261 Sonoma 1 mile east of Bodega Bay Comment
  POM299321  Delphinium luteum Lester Rowntree 1932-6-12 s.n. Sonoma Near Bay Comment
  SEINET4445145  Delphinium luteum A. A. Heller, H. E. Brown 1902-1 Sonoma Comment
  CAS-BOT-BC8007  Delphinium nudicaule A. A. Heller 1903-4-23 6604 Sonoma Fort Ross Comment
  UC1126017  Delphinium nudicaule E. Armstrong 1934-3-26 953 Sonoma 1 mi nw Camp Meeker; Sebastopol Quadrangle 121 Comment
  CAS-BOT-BC121722  Delphinium patens subsp. patens D. E. Breedlove 1980-5-3 44653 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC83024  Dendromecon rigida Ella Dales Cantelow 1940-4-6 4074 Sonoma Triniti Road west of Boyes Spring. 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
  CAS-BOT-BC583  Dendromecon rigida subsp. rigida Catherine Best 1981-4-4 s.n. Sonoma Staetz Lane, 3 miles north of Occidental. Comment
  CAS-BOT-BC182746  Dentaria Peter Rubtzoff 1957-5-4 3313 Sonoma Duncans Mills Marsh area Comment
  UCD164696  Deschampsia cespitosa Peter Rubtzoff 1976-6-5 8591 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UC1055942  Deschampsia cespitosa subsp. cespitosa Peter Kamb and Francia Chisaki 1950-6-16 1861 Sonoma 1 mi. n. Sousa Corners (n.w. of Sebastopol, Pitkin Marsh); Pitkin Marsh Comment
  CAS-BOT-BC192617  Deschampsia cespitosa subsp. holciformis Mary P. Wells 1981-8-2 s.n. Sonoma Path to garden from Timber Ridge Road, The Sea Ranch Comment
  UC573728  Deschampsia cespitosa subsp. holciformis H. S. Yates 1937-6-6 6586 Sonoma 5 mi. s. Jenner; Duncan Mills Quad. Comment
  UCD63810  Deschampsia cespitosa subsp. holciformis Beecher Crampton 1957-7-11 4322 Sonoma Along State Hwy. 1, about 0.8 miles north of Salmon Creek, Sonoma Coast State Park. Comment
  UCD63817  Deschampsia cespitosa subsp. holciformis Mary M. Hektner; Sue Dakuzaku 1974-6-3 13 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC201642  Deschampsia danthonioides Greg de Nevers 1996-6-5 10827 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  UCD62546  Deschampsia danthonioides Beecher Crampton 1966-5-10 7725 Sonoma 6.5 miles north of Sonoma State Hwy. 12. Comment
  RSA144369  Deschampsia elongata Roxana S. Ferris, Laura Lorraine 1961-6-14 13544 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  OBI6278  Dicentra formosa Ann C. Likins 1970-5-16 121 Sonoma Near Russian River, Moscow Rd, Rio Nido 24 Comment
  SEINET10662587 Image available Dichanthelium acuminatum var. acuminatum Henry N. Bolander 1860-1 Bolander 3941 Sonoma Geysers. Comment
  UCD110463  Dichelostemma Christopher Mallek 2008-1 s.n. Sonoma Hooker Canyon. 590 Comment
  SEINET12051470  Dichelostemma capitatum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -268 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UCD166874  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2016-3-26 3042 Sonoma Mayacamas Mountains, along Pine Flat Road, at Rob Roy Flat. 618 Comment
  SEINET7040134  Dichelostemma congestum A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  RSA130891  Dichondra donelliana E. K. Balls 1958-7-21 23584 Sonoma State Hwy. 1, 7.3 mi. se. from Fort Ross. 137 Comment
  RSA788365  Digitaria Peter Rubtzoff 1965-9-5 5637 Sonoma Forest hills (5.5 mi E of Guerneville). Comment
  CAS-BOT-BC176364  Digitaria sanguinalis Peter Rubtzoff 1958-8-24 3929 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC151973  Diplacus douglasii Milo S. Baker 1927-4-12 2072 a Sonoma S.E. slope Hood's Peak 396 Comment
  CAS-BOT-BC151378  Diplacus tricolor Peter Rubtzoff; H. A. Froebe 1971-5-30 6482 Sonoma 4.25 mi. west of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC151377  Diplacus tricolor James McMurphy 1906-7-16 s.n. Sonoma Fulton Comment
  UCR30861  Dipsacus sativus John C. Roos 1948-8-29 3962 Sonoma North Coast Ranges, Healdsburg Comment
  RSA122773  Dirca occidentalis Milo S. Baker 1942-5-20 10197 Sonoma 2 miles west of Bodega town on a road which turns right within the town Comment
  SEINET10662294  Distichlis spicata P. Rubtzoff 1955-8-20 Rubtzoff 2065 Sonoma Bodega Harbor Marsh. Comment
  UC1199856  Dodecatheon hendersonii Herbert L. Mason 1926-3-22 2792 Sonoma near Napa-Sonoma line (near Petrified Forest); near Petrified Forest Comment
  POM78476  Dodecatheon hendersonii subsp. cruciatum A. A. Heller, H. E. Brown 1902-3-10 10801 Sonoma Hills East of Santa Rosa. Comment
  UCR141959  Downingia concolor Beecher Crampton 1966-5-10 7728 Sonoma Coast Range, 6.5 miles north of Sonoma on State Hwy 12, Calif. Dept. of Forestry Glen Ellen station 76 Comment
  UC76661  Downingia concolor var. concolor Miss M. Alice King May 1897 Sonoma Comment
  CAS-BOT-BC154158  Downingia cuspidata Peter Rubtzoff; Tim Tunison; Nancy Harrison 1976-6-5 8581 Sonoma False Lake Meadow area, Annadel State Park. Comment
  JEPS14401  Downingia pusilla W. L. Jepson 1921-5-6 9194 Sonoma Sonoma Valley Comment
  CAS-BOT-BC71014  Dryopteris arguta Volney Rattan 1877-6-25 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC71019  Dryopteris arguta A. T. Graff 1926-2-1 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC71022  Dryopteris arguta G. DeNevers 1981-5-9 1081 Sonoma above Redwood Canyon, S of it Comment
  CAS-BOT-BC71025  Dryopteris arguta G. DeNevers 1981-5-23 1307 Sonoma Devils Kitchen Hill Comment
  UCD101882  Dudleya cymosa Frederica Bowcutt 1994-6-12 1877 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Along Adobe Canyon Road, on road cut. 396 Comment
  CAS-BOT-BC428182  Dudleya cymosa subsp. cymosa Butterfield 1938-5-1 s.n. Sonoma Russian River Comment
  CAS-BOT-BC428377  Dudleya farinosa John H. Thomas 1976-6-15 18284 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC428378  Dudleya farinosa Alice Eastwood 1915-6-29 4890 Sonoma Bodega Point Comment
  SD71428  Dysphania botrys Peter Rubtzoff 1965-8-22 5615 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville) 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
  CAS-BOT-BC210080  Echinochloa Peter Rubtzoff 1976-8-29 8835 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA785443  Echinochloa Peter Rubtzoff 1973-9-4 7296 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. 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
  CAS-BOT-BC176373  Echinochloa crus-galli Peter Rubtzoff 1953-11-1 1430 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  RSA118966  Echinochloa crus-galli L. S. Rose 1956-8-20 56148 Sonoma San Antonio Creek, Highway 101 3 Comment
  UCD60890  Echinochloa crus-galli Harold Weinland 1923-10-13 Sonoma Near Bodega. Comment
  UCD60945  Echinochloa crus-pavonis Virginia Bufford 1935-9-8 79 Sonoma Pitkins Yard, Vine Hill District. Comment
  UCD166224  Echinodorus berteroi Peter Rubtzoff 1970-8-5 6297 Sonoma Five miles north of Sears Point. 11 Comment
  UCR244503  Echinodorus berteroi Peter Rubtzoff 1970-8-5 6297 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
Read comments
Oct 13 2015
  CAS-BOT-BC261656  Eleocharis Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7801 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC113725  Eleocharis acicularis LeRoy Abrams 1920-7-3 7614 Sonoma Stewarts Point. Comment
  CAS-BOT-BC112982  Eleocharis macrostachya Peter Rubtzoff 1951-7-14 471 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  UC1042515  Eleocharis macrostachya Peter Rubtzoff 1951-7-8 387 Sonoma near Forestville (Pitkin Marsh, lower part of the Upper Marsh) Comment
  CAS-BOT-BC112203  Eleocharis radicans Peter Rubtzoff 1956-9-21 2933 Sonoma Vacation Beach, near Guerneville. Sancy beach of Russian River. Comment
  CAS-BOT-BC94038  Eleocharis radicans Greg de Nevers 1990-5-15 9667 A Sonoma Pepperwood Natural Preserve 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC112166  Eleocharis radicans Peter Rubtzoff 1951-7-14 446 Sonoma Southern half of the Lower Marsh. Comment
  UCD18405  Elymus condensatus William A. Harrey 1982-7-7 s.n. Sonoma 0.5 mi west of state Hwy 1, along Bean Ave. bordering Salmon Creek. Comment
  JEPS27642 Image available Elymus divergens J. Burtt Davy 1897-9-18 4037 Sonoma near Petaluma; ; Near Petaluma, Sonoma Co. Comment
  SEINET11687494  Elymus glaucus W. Knight, Knight, I.; Edwards, S. 1986-1 5326 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Road 853 Comment
  UCD62300  Elymus glaucus R. Tofsrud 1942-8-1 50 Sonoma Sonoma Co. Comment
  CAS-BOT-BC203705  Elymus glaucus subsp. glaucus Mary P. Wells 1984-5-24 282 Sonoma Annadel State Park, Santa Rosa Comment
  JEPS45814  Elymus glaucus subsp. jepsonii Eleanor Armstrong 1932-5-25 176 Sonoma 2 mi s Graton 91 Comment
  RSA129555  Elymus glaucus subsp. virescens H. S. Yates 1936-5-17 5624 Sonoma 1.5 miles E of Bodega Port 122 Comment
  SEINET12773264  Elymus triticoides J. B. Davy 1897-9-18 4037 Sonoma Petaluma. Comment
  CAS-BOT-BC376253  Epilobium Greg de Nevers 1993-4-11 10365 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. East of middle road through Bald Hills 304 Comment
  UCR244511  Epilobium campestre Peter Rubtzoff 1962-7-6 4976 Sonoma Coast Range, Laguna de Santa Rosa near Trenton Road [south of Woolsey Road] 21 Comment
  CAS-BOT-BC262961  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1968-8-31 5946 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC268058  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1968-7-20 5923 Sonoma Upper Salmon Creek Marsh. Comment
  UC582992  Epilobium ciliatum subsp. ciliatum P. A. Munz 1936-8-7 14307 Sonoma six mi n Bodega (edge of road) 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
  RSA94291  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1951-7-14 436 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  UC1042438  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1951-7-14 444 Sonoma on edge of thicket near creek (s edge of Lower Marsh, near Forestville); Pitkin Marsh, Lower Marsh Comment
  UC1042501  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1951-8-4 585 Sonoma marsy opening s Upper Marsh (near Forestville); Pitkin Marsh Comment
  RSA0015637  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1962-8-22 5052 Sonoma Bodega Bay Marsh. Comment
  SEINET12078270  Epipactis gigantea Unknown 1986-1 60215 Sonoma N of Cazadero, The Cedars, headwaters Big Austin Creek, near Laton Mine 244 Comment
  CAS-BOT-BC57046  Equisetum arvense Peter Rubtzoff 1962-4-18 4800 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road Comment
  UC810212  Equisetum arvense Milo S. Baker 1939-4-2 9269 Sonoma stream in front of Mrs. Morton's place Kenwood Comment
  UCD135614  Equisetum telmateia subsp. braunii Linda A. Bell 1975-5-18 159 Sonoma State Highway 1, ca. 1/2 mile south of its junction with State Highway 116. 22 Comment
  CAS-BOT-BC312697  Eragrostis Peter Rubtzoff 1970-9-2 6357 Sonoma Russian River bottom at Mirabel Park. Comment
  SEINET10807148  Eragrostis curvula P. Rubtzoff 1971-8-23 Rubtzoff 6653 Sonoma Meacham Road, 0.35 miles S of Stony Point Road Comment
  CAS-BOT-BC213572  Eragrostis hypnoides Peter Rubtzoff 1970-9-2 6355 Sonoma Rusian River bottom at Mirabel Park Comment
  CAS-BOT-BC291171  Erechtites glomeratus Mary P. Wells 1985-5-26 495 Sonoma One-Eyed Jack's Playground. A meadow area at The Sea Ranch Comment
  RSA785230  Erechtites glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 mi SE of Guerneville. Comment
  CAS-BOT-BC164641  Erechtites minimus Peter Rubtzoff 1958-8-23 3916 Sonoma Laguna de Santa Rosa, east of Cunningham near Llano Road). Comment
  RSA784478  Erechtites minimus Peter Rubtzoff 1958-8-23 3916 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  JEPS127734  Ericameria ericoides H. Forbes, B. Keller, Valov, Debra 2009-9-21 UCBG 39 Sonoma Bodega Marine Reserve, about 14 km west of the town of Bodega & 7.1 km west of Bodega Bay. On the dunes along the Bodega Marine Reserve Road, about 1.6 km from the intersection with Westside Road. Comment
  RSA149838  Ericameria ericoides var. ericoides George W. Barclay 1839-10 3037 Sonoma Bodegas Comment
  UC895888  Erigeron biolettii Marcus E. Jones, A. M. 1882-7-17 3620 Sonoma Duncan's Mills Comment
  CAS-BOT-BC293625  Erigeron biolettii Milo S. Baker 1948-7-27 12079 Sonoma Near summit of Hood Mt. 792 Comment
  UC895875  Erigeron glaucus Marcus E. Jones, A. M. 1882-7-17 3622 Sonoma Duncan's Mills Comment
  CAS-BOT-BC214553  Erigeron philadelphicus Peter Rubtzoff 1951-6-9 185 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  JEPS86761  Erigeron reductus var. angustatus Jack and Betty Guggolz 1990-9-20 1095 Sonoma about a mile N of Camp Meeker (just below the reservoir on Grub Creek) 79 Comment
  CAS-BOT-BC300253  Erigeron reductus var. angustatus Steve Edwards 1984-7-22 s.n. Sonoma Along Bohemian Hwy. N. of Camp Meeker Comment
  HSC101104  Erigeron serpentinus Peter Warner 2011-8-23 234 Sonoma Jenner Headlands property, lower Middle Pasture, ~ 100 m E of Dairy Field fence 125 Comment
  CAS-BOT-BC224149  Eriodictyon californicum Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy 3 mi north of Occidental Comment
  SEINET11933016  Eriogonum compositum Unknown 1983-1 30373 Sonoma S side of Sweetwater Springs Rd, 3.9 mi W on Sweetwater Springs Rd. from its origin at W side hwy 122 Comment
  CAS-BOT-BC259266  Eriogonum latifolium Greg de Nevers 1997-5-14 11001 Sonoma Estero Americano, south of Bodega. Sonoma Land Trust Hepper Preserve 30 Comment
  RSA197065  Eriogonum latifolium Noel Holmgren, James L. Reveal 1966-6-6 2648 Sonoma Just north of Ocean View. On bluff above shore line (form away from immediate coastal influence). Comment
  UCR80877  Eriogonum luteolum var. luteolum G. Fred Hrusa, G. L. Stebbins, June McCaskill 1993-9-14 11421 Sonoma 3 mi west of Occidental along Coleman Valley Rd. 209 Comment
  UC196695  Eriogonum nudum var. auriculatum Miss C. M. Hoak 1912-8-8 Sonoma Monte Rio Comment
  CAS-BOT-BC261682  Eriogonum nudum var. nudum A. A. Heller 1902-7-8 5814 Sonoma Near Healdsburg Comment
  SEINET6165148 Image available Eriogonum polypodum Unknown 1983-7-18 s.n. Sonoma 3 mi SW of Occidental Comment
  CAS-BOT-BC298518  Eriophyllum confertiflorum Mrs. C. A. Burlingame 1921-6-28 s.n. Sonoma About 3 mi. S. of Healdsburg. Comment
  CAS-BOT-BC301276  Eriophyllum lanatum var. arachnoideum Lewis S. Rose 1933-9-3 33354 Sonoma 2 miles w. of Petrified Forest Comment
  CAS-BOT-BC301279  Eriophyllum lanatum var. arachnoideum Alice Eastwood 1901-4-1 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC301286  Eriophyllum lanatum var. arachnoideum Lewis S. Rose 1964-6-3 64057 Sonoma N. end of Bodega Bay 6 Comment
  CAS-BOT-BC301289  Eriophyllum lanatum var. arachnoideum Doreen L. Smith 1994-8-5 s.n. Sonoma Stoetz Lane Comment
  CAS-BOT-BC302013  Eriophyllum staechadifolium Walter Knight; Irja Knight 1963-8-13 162 Sonoma Horseshoe Cove Comment
  UC73463  Erodium botrys Miss M. Alice King May 1897 Sonoma Lytton Springs Comment
  RSA187471  Erodium brachycarpum John H. Thomas 1966-3-18 11482 Sonoma Edge of vineyard at Italian Swiss Colony at Asti. 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
  UCD84100  Eryngium aristulatum Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  UCR224675  Eryngium aristulatum var. aristulatum Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  SEINET7067265  Eryngium armatum A. G. Vestal 1947-5-13 s.n. Sonoma North of Salmon Creek. Coordinate datum: NAD27. UTM 10, 494344mE, 4245376mN. Comment
  SEINET14046357 Image available Erythranthe guttata Noel H. Holmgren, Liew Fah Seong 1969-1 3606 Sonoma Calif. 1, 7.2 miles north of Marin County line. Comment
  RSA0089544  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
  HSC2186  Erythronium helenae Elmer I. Applegate 1934-3-25 8855 Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 610 Comment
  UC1126388  Eschscholzia caespitosa E. Armstrong 1934-3-26 922 Sonoma 2 mi n Camp Meeker; Sebastopol Quadrangle 91 Comment
  CAS-BOT-BC403702  Eschscholzia californica Alice Eastwood 1899-1-1 s.n. Sonoma Bodega Point Comment
  SD40084  Eschscholzia californica Edith A. Purer 1932-7-24 4077 Sonoma Bodega Bay. Comment
  UCD158723  Eschscholzia californica James A. Neilson Jr. 1974-7-10 2834 Sonoma Mayacmas Mountains. Little Geysers well # 2. 731 Comment
  SD58246  Euonymus occidentalis Harry K. Roberts 1959-5-18 Sonoma On Louis Giovanni ranch in the first canyon south of ranch house, Green Valley, northwest of Sebastopol. Comment
  RSA789604  Euonymus occidentalis var. occidentalis R. W. Spjut, Peter Baye 2010-6-21 16711 Sonoma Along Wheatfield Fork of Gualala River just south of junction with Fuller Creek, and north of junction with Haupt Creek and Steward Pt-Skaggs Springs Road. 55 Comment
  RSA0002811  Euphorbia A. A. Heller 1902-7-2 5802 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  UCD77520  Euphorbia nutans Robert E. Preston 1999-11-9 1253 Sonoma Along Petaluma Hill Rd, 0.25 mi S of Yolanda Drive, ca. 1.2 mi S of Sonoma Co. fairgrounds, Santa Rosa. 42 Comment
  CDA4869  Euphorbia oblongata T. C. Fuller 1985-5-31 20430 Sonoma East side of Arnold Drive, Highway 116, just north of culvert no. 45.19, ca. 7 km. south of El Verano. 0 Comment
  CAS-BOT-BC239726  Fabaceae Peter Rubtzoff 1974-6-2 7503 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC239729  Fabaceae Peter Rubtzoff 1970-7-17 6291 Sonoma 5 miles north of Sears Point Comment
  CAS-BOT-BC239730  Fabaceae Peter Rubtzoff 1974-5-25 7457 Sonoma Upper Green Valley Marsh Comment
  SEINET10567265  Festuca A. Arthur Heller 1902-5-27 Heller 5611 Sonoma Bodega Bay. Comment
  UCR249336  Festuca arundinacea Peter Rubtzoff 1962-6-13 4911 Sonoma Freestone Marsh 79 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
  UC1011029  Festuca elmeri Virginia Bufford 1936-5-20 315 Sonoma 5 mi from Mark West (Mark West Rd) Comment
  UC38545  Festuca idahoensis Michener and Bioletti 1893-6-10 100 Sonoma Hood's Peak Comment
  UCD151131  Festuca idahoensis James A. Neilson Jr. 1973-6-6 2976 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  CAS-BOT-BC278884  Festuca occidentalis Catherine Best 1981-6-5 s.n. Sonoma About 6 miles east of Stewarts Point on Skaggs Springs Rd. Comment
  UCD66122  Festuca occidentalis P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  UC573932  Festuca rubra H. S. Yates 1937-5-31 6564 Sonoma 1 mi wsw Petrified Forest; Calistoga Quad. 274 Comment
  SEINET11690155  Festuca rubra W. Knight, Knight, I.; Howell, J. T. 1987-1 6276 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC53270  Frangula californica subsp. californica Walter Knight; Irja Knight 1964-11-15 772 Sonoma Hood's Peak, Meadow above Johnson Dam Comment
  UCD112779  Frangula californica subsp. tomentella G. F. Hrusa; T. D. Wilfred 1995-12-3 12485 Sonoma W-facing slope of main ridge running SW from Chalk Mountain. Foote Ranch property, NW base of Mt. St. Helena. 450 Comment
  CAS-BOT-BC223851  Frankenia palmeri Walter Knight; Irja Knight 1963-9-3 282 Sonoma At Gilardis, on Lakeville Highway Comment
  CAS-BOT-BC218582  Fraxinus latifolia H. E. McMinn 1922-6-1 s.n. Sonoma Petrified Forest Comment
  RSA232867  Fraxinus latifolia L. S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Creek, NE of Santa Rosa. 122 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
  JEPS82540  Fremontodendron californicum Roger Raiche 1984-5-4 40133 Sonoma North of Guerneville, Morrison Creek, Austin Creek State Recreational Area, headwaters of East Austin Creek 182 Comment
  CAS-BOT-BC130185  Fritillaria affinis Elmer I. Applegate 1934-3-25 8861 Sonoma Pine Flat region, west slope of the [Mayacama] Mayacmas range Comment
  UCD151239  Fritillaria affinis James A. Neilson Jr. 1974-4-30 2728 Sonoma Mayacmas Mountains, upper Squaw Creek. (Elevation estimated using Google Earth by label maker.) 975 Comment
  POM169385  Fritillaria affinis A. A. Heller, H. E. Brown 1902-3-25 5148 Sonoma Near Mark West Springs Comment
  UCD121660  Galium aparine Jennifer Bury; Peggy Herzog 1993-5-8 267 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. About 100 ft. above parking lot. 402 Comment
  JEPS128307  Galium californicum Roger Raiche 2000-5-28 120 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this is not the name on USGS topo sheets). Gualala River, Wheatfield Fork watershed. Comment
  JEPS52892  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3902 Sonoma 4.8 mi n Cazadero (on King Mt. Rd.) Comment
  JEPS52896  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3907 Sonoma 4.1 mi s Stewart's Point (on Hwy 1, w-facing roadbank near ocean) Comment
  RSA47803  Galium divaricatum Roxana S. Ferris, Laura Lorraine 1948-6-9 11661 Sonoma 1 miles from Geyserville on road to Kellogg. Comment
  UCD121756  Galium divaricatum F. Bowcutt 1994-5-21 1812 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. Along Meadow trail about 3/4 mile from trailhead. East from trail about 100 yards. 411 Comment
  UCD160758  Galium nuttallii James A. Neilson Jr. 1975-5-23 3219 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  UCD160856  Galium nuttallii James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3277 Sonoma Mayacmas Mountains, Caldwell Pines area, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  JEPS52745  Galium porrigens var. porrigens Lauramay T. Dempster and Jean Colton 1963-8-5 3873 Sonoma 2 mi w Cloverdale (on road to Booneville); Alder Glen Springs Comment
  UC665535  Gamochaeta ustulata Annetta Carter and Ethel Crum 1941-6-22 2148 Sonoma 3.3 mi e Bodega Bay; North Coast Ranges Comment
  CAS-BOT-BC303497  Gamochaeta ustulata G. DeNevers 1981-4-23 784 Sonoma Pippindale farm, Clarence Wright land at Garrison fence, ridgetop, along Hansel's fenceline Comment
  CAS-BOT-BC303498  Gamochaeta ustulata John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54696 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC303504  Gamochaeta ustulata 1877-1-1 s.n. Sonoma Guerneville Comment
  UCD148414  Gamochaeta ustulata Peter Rubtzoff 1959-6-6 4095 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC278691  Gastridium phleoides Peter Rubtzoff 1956-9-14 2866 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC278690  Gastridium phleoides Peter Rubtzoff 1959-9-19 4280 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC278714  Gastridium ventricosum David L. Morgan 1955-7-20 s.n. Sonoma Bank of Austin Cr., 3 mi. W. of Monte Rio Comment
  CAS-BOT-BC320464  Gastridium ventricosum Peter Rubtzoff 1974-6-2 7527 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC58943  Gaultheria shallon Walter Knight; Irja Knight 1964-2-27 559 Sonoma 6 mi. N. Stewart's Point Comment
  UCSB4791  Gaultheria shallon Keator, Glenn 1959-4-1 Sonoma 1.5 miles north of Fort Ross Monument on Highway 1 Comment
  CDA31358  Genista monspessulana D. G. Kelch, Ed Biffin 2010-5-3 10 .205 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UC519223  Genista monspessulana G. H. Vansell 1933-7-25 Sonoma along Russian River Comment
  UCD105728  Genista monspessulana S. P. Lynch 2016-3-14 390 Sonoma 6 mi. west of Callistoga on St. Hwy 128. Comment
Read comments
May 16 2013
  SD88506  Gentiana sceptrum Darley F. Howe 1972-6-27 4841 Sonoma Near Pitkin Marsh Comment
  UC1051644  Gentiana sceptrum Peter Kamb 1950-6-16 1862 Sonoma 1 mi n Sousa Corners (nw of Sebastopol); Pitkin Marsh Comment
  RSA98558  Gentiana sceptrum G. Thomas Robbins 1938-6-23 268 Sonoma On Pitkin Ranch, Vine Hill region, ca. ten miles west of Santa Rosa. Comment
  UCD161304  Geranium molle James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3702 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-BC366949  Gilia capitata Greg de Nevers 1997-4-16 10946 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  SEINET7067347  Gilia capitata A. G. Vestal 1947-5-16 s.n. Sonoma About 4.8 miles east of Windsor and northwest of Mark West Springs. Coordinate datum: NAD27. UTM Zone 10, 523072mE, 4267195mN. Comment
  CAS-BOT-BC226167  Gilia capitata subsp. tomentosa John Thomas Howell 1930-6-8 5265 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC226168  Gilia capitata subsp. tomentosa Mrs. H. C. Cantelow 1941-6-7 s.n. Sonoma 3.2 miles north of Jenner on State highway 1 Comment
  UC1745902  Gilia capitata subsp. tomentosa Annetta M. Carter, Edward Lee 1936-6-21 1200 Sonoma 2.2 mi. inland from Bodega Bay on road to Bodega. Comment
  UC30185  Gilia tricolor subsp. tricolor H. N. Bolander 1864-1 3807 Sonoma Valley of Santa Rosa Creek Comment
  JEPS41067  Githopsis diffusa subsp. robusta Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9111 Sonoma between 1 and 1.25 mi due w Napa County line (along the Franz Valley School road) 219 Comment
  UC764573  Githopsis specularioides R. F. Hoover 1939-4-18 4035 Sonoma Occidental Comment
  UCD158813  Githopsis specularioides James A. Neilson Jr. 1974-4-16 3578 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  SEINET10464606  Githopsis specularioides Joseph W. Congdon 1880-5-17 Congdon s.n. Sonoma North of Sebastopol Comment
  SEINET10972190  Githopsis specularioides A. Arthur Heller, H. E. Brown 1902-4-16 Heller 5308 Sonoma Fields east of Santa Rosa Comment
  CAS-BOT-BC303752  Glebionis segetum John Thomas Howell 1930-6-8 5231 Sonoma Bodega Rd 4 miles E of Valley Ford Comment
  SEINET3146240  Glebionis segetum L. S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  RSA234555  Glinus lotoides Peter Rubtzoff 1966-9-25 5825 Sonoma Laguna de Santa Rosa east of Grafton, betw. Occidental and Guerneville Rds. Comment
  CAS-BOT-BC227639  Glyceria Peter Rubtzoff 1966-5-7 5707 Sonoma North side of Hessel Road, just west of Hwy. 116. Comment
  CAS-BOT-BC227650  Glyceria Peter Rubtzoff 1971-7-3 6588 Sonoma West side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC227651  Glyceria Peter Rubtzoff 1966-5-29 5739 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road crossing). Comment
  CAS-BOT-BC227664  Glyceria Peter Rubtzoff 1964-5-30 5324 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa. Comment
  CAS-BOT-BC282725  Glyceria elata Peter Rubtzoff 1951-6-9 160 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  UCD166179  Glyceria leptostachya Peter Rubtzoff 1969-7-5 6109 Sonoma Pond, 5.25 miles NE of Penngrove, near Lichan Road. Comment
  RSA136603  Glycyrrhiza lepidota Volney Rattan 1877-6-23 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC166706  Gnaphalium Peter Rubtzoff; Nancy Harrison 1974-9-7 7883 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  CAS-BOT-BC164700  Gnaphalium Peter Rubtzoff 1966-8-29 5815 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC173576  Gnaphalium Peter Rubtzoff 1968-8-18 5931 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  RSA790990  Gnaphalium chilense Peter Rubtzoff 1954-9-4 1725 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC302685  Gnaphalium palustre A. A. Heller 1902-6-10 5684 Sonoma Santa Rosa Comment
  CAS-BOT-BC302693  Gnaphalium palustre Peter Rubtzoff 1976-5-30 8567 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC166778  Gnaphalium purpureum Peter Rubtzoff 1974-5-25 7458 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC166709  Gnaphalium purpureum Peter Rubtzoff 1963-6-22 5186 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC166965  Gnaphalium purpureum Peter Rubtzoff 1977-9-4 9131 Sonoma Cunningham Marsh area, along a northern tributary of Blucher Creek, ca. 1 air mile WSW of Cunningham Station. Comment
  CAS-BOT-BC173579  Gnaphalium purpureum Peter Rubtzoff 1959-6-6 4095 Sonoma Willow Creek Marsh. Comment
  SEINET8726299 Image available Godetia amoena Calvin, Phyllis McMillan 1951-1 1552 Sonoma with Ceanothus Jepsoni, Quercus durata, and Photinia arbutifolia; Northwest of Cloverdale on road to Boonville, ca. 1 mile east of Mendocino-Sonoma County line, Sonoma County. 335 Comment
  UC479502  Grindelia hirsutula Marcus E. Jones, A. M. 1931-7-5 29142 Sonoma The Geysers Comment
  UC894090  Harmonia nutans Alice Eastwood 1915-5-1 6842 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC371462  Hedera helix Greg de Nevers 1989-8-28 9097 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Skovie. 400 Comment
  CAS-BOT-BC306325  Hedypnois cretica G. DeNevers 1981-5-26 1330 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  UCD131701  Hedypnois cretica Beecher Crampton 1957-7-22 4375 Sonoma Roadside, State Hwy. 1, 0.9 mile south of Stewart's Point. Comment
  CAS-BOT-BC306772  Helenium bigelovii John Thomas Howell 1937-6-6 13035 Sonoma Pitkin Marsh Comment
  UCD132741  Helenium bigelovii Charles B. Heiser Jr. 1946-5-19 1746 Sonoma Vine Hill region, Pitkin Marsh Comment
  CAS-BOT-BC262954  Helenium puberulum Peter Rubtzoff 1959-9-19 4286 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  RSA800284  Helenium puberulum Peter Rubtzoff 1970-9-3 6372 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA800290  Helenium puberulum Peter Rubtzoff 1958-7-26 3796 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  RSA94283  Helenium puberulum Peter Rubtzoff 1951-9-2 709 Sonoma Northern half of Lower Marsh; Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC314742  Helianthella californica var. californica G. De Nevers 1981-5-31 1426 Sonoma Along road NW of Hansel's Lake, Pepperwood Ranch Comment
  RSA80308  Helianthemum scoparium var. vulgare Anonymous 1947-5-30 11770 Sonoma Southwest slope of Hood Mt. in chaparral burn Comment
  CAS-BOT-BC305582  Helianthus bolanderi R. Bacigalupi 1948-3-6 2583 Sonoma The Geysers, just above the resort Comment
  NY335357  Heliotropium oculatum A. A. Heller 1902-7-8 5813 Sonoma Sandy bank of Russian River at Healdsburg Comment
  RSA0006558  Heliotropium spathulatum subsp. oculatum A. A. Heller 1902-7-8 5813 Sonoma Russian River at Healdsburg. Comment
  UCD165108  Hemizonia Peter Rubtzoff 1973-9-9 7306 Sonoma Kenwood Marsh. Comment
  UCD166251  Hemizonia Peter Rubtzoff 1970-8-5 6301 Sonoma 5 miles north of Sears Point. 11 Comment
  UCD166302  Hemizonia Peter Rubtzoff 1966-8-18 5791 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. 17 Comment
  UCD166490  Hemizonia Peter Rubtzoff 1958-8-23 3921 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC173586  Hemizonia Peter Rubtzoff 1966-8-18 5791 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC257145  Hemizonia Peter Rubtzoff 1963-7-14 5206 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC258027  Hemizonia Peter Rubtzoff 1970-8-5 6301 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC376334  Hemizonia Greg de Nevers 1996-11-10 10892 Sonoma Just north of Highway 37 opposite Port Sonoma, Lower Ranch. 0 Comment
  UCD166306  Hemizonia Peter Rubtzoff 1966-8-25 5804 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  UCD159816  Hemizonia congesta James A. Neilson Jr. 1974-7-24 2878 a Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. Roadside. North of meadow. (Elevation and coordinates estimated by label maker). 792 Comment
  RSA81615  Hemizonia congesta James I. McMurphy 1908-09 s.n. Sonoma George's Vineyard, near Fulton. Comment
  RSA81671  Hemizonia congesta James I. McMurphy 1909-5-28 s.n. Sonoma 2 miles S of Fulton. Comment
  RSA94096  Hemizonia congesta J. T. Howell 1945-8-14 21408 Sonoma Perry Marsh Comment
  JEPS38350  Hemizonia congesta subsp. clevelandii W. L. Jepson 1921-9-12 9489 Sonoma Hayground Alexander Valley (s side of valley) 45 Comment
  CAS-BOT-BC306162  Hemizonia congesta subsp. clevelandii Lewis S. Rose 1933-9-3 33352 Sonoma 4 mi. W. Petrified Forest Comment
  CAS-BOT-BC306219  Hemizonia congesta subsp. congesta James McMurphy 1908-9-27 s.n. Sonoma 2 mi. S. of Fulton Comment
  SD53396  Hemizonia congesta subsp. congesta Darley F. Howe 1962-7-29 3364 Sonoma 4.3 miles north of Jenner on Highway 1. Comment
  UC1042317  Hemizonia congesta subsp. congesta John Thomas Howell 1945-8-14 21408 Sonoma Perry Marsh Comment
  UC193422  Hemizonia congesta subsp. congesta H. M. Hall 1916-6-23 10241 Sonoma twelve km n Petaluma Comment
  CAS-BOT-BC306216  Hemizonia congesta subsp. congesta H. M. Hall 1916-7-23 10241 b Sonoma Near Petaluma (6 mi. n.w.) Comment
  CDA6571  Hemizonia congesta subsp. congesta T. C. Fuller 1958-5-24 4003 Sonoma 1/2 mile east of Occidental, State Department of Forestry Station. 0 Comment
  CAS-BOT-BC309670  Hemizonia congesta subsp. lutescens L. R. Abrams 1907-8-1 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC309671  Hemizonia congesta subsp. lutescens A. A. Heller 1902-8-20 6054 Sonoma At Sebastopol Comment
  CAS-BOT-BC309680  Hemizonia congesta subsp. lutescens Lewis S. Rose 1964-8-26 64067 Sonoma 5 miles ne. of Penngrove 243 Comment
  CAS-BOT-BC309720  Hemizonia congesta subsp. lutescens David D. Keck; J. Clausen 1935-6-15 3371 Sonoma 1 mile N. of mouth of Salmon Creek Comment
  JEPS119475  Hemizonia congesta subsp. lutescens Ann Howald 2011-8-30 2808 Sonoma North Coast Ranges: eastern Petaluma Valley, Manor Lane, 0.5 mi north of intersection with Old Adobe Road. Comment
  JEPS86755  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1990-4-30 1038 Sonoma n side intersection of Occidental Road and Facindini Lane Comment
  UC990603  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-7-10 504 Sonoma 4 mi nw Cloverdale; Boonville Comment
  CAS-BOT-BC309681  Hemizonia congesta subsp. lutescens Peter H. Raven 1955-8-27 8754 Sonoma Petaluma Creek at bridge on Black Point Cutoff Comment
  CAS-BOT-BC309721  Hemizonia congesta subsp. lutescens J. Clausen 1932-9-20 719 Sonoma South of Santa Rosa Comment
  JEPS119464  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2804 Sonoma North Coast Ranges, west slope of Mayacamas Mountains, Los Alamos Rd. at Cougar Lane, 2.3 miles east of intersection Hwy 12 Comment
  RSA795176  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2805 Sonoma West slope of Mayacamas Mountains, end of Los Alamos Rd., 4.6 miles east of intersection Hwy 12, parking area next to Hood Mountain Regional Park 427 Comment
  UC495618  Hemizonia congesta subsp. luzulifolia Joseph P. Tracy 1930-9-1 9173 Sonoma Knight's Valley North Coast Ranges Comment
  CAS-BOT-BC309953  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-8-8 705 Sonoma Kenwood Comment
  RSA0015420  Hemizonia congesta subsp. luzulifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  RSA159436  Hemizonia lutescens James I. McMurphy 1909-8-8 701 -B Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  RSA81549  Hemizonia lutescens James I. McMurphy 1909-8-10 717 Sonoma About a mile W of Santa Rosa on road to Fulton. Comment
  RSA81620  Hemizonia lutescens James I. McMurphy 1909-7-10 504 Sonoma Rocky point 4 miles NW of Cloverdale on road to Boonville. Comment
  SEINET11842304  Hemizonia lutescens W. Knight, Knight, I.; Knight, T. 1984-1 5038 Sonoma Royal Oaks Mobilehome Park, North McDowell Blvd, Petaluma 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
  HSC92191  Hesperocyparis goveniana A. T. Austin 1990-12-17 Sonoma Salt Point State Park Comment
Read comments
Jul 25 2018
  HSC1230  Hesperocyparis sargentii L. S. Rose 1969-8-17 69096 Sonoma 4 mi. NE of Occidental, Harrison Grade 244 Comment
  JEPS128296  Hesperolinon micranthum Roger Raiche 2010-6-26 029 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CDA13135  Hesperolinon spergulinum G. F. Hrusa, R. Gross 1996-6-3 13070 Sonoma North Coast Biodiversity Arena; Ida Clayton Rd., NW side Mt. St. Helena. Comment
  CAS-BOT-BC371405  Heterocodon rariflorum Greg de Nevers 1993-4-29 10418 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Devils' Kitchin. 457 Comment
  CAS-BOT-BC149833  Heteromeles arbutifolia Walter Knight; Irja Knight 1964-11-15 771 Sonoma Above Johnson Dam, Hood's Peak Comment
  POM141325  Heteromeles arbutifolia A. A. Heller 1902-7-8 5815 Sonoma Between Healdsburg and Geyserville Comment
  SEINET11908933  Heteromeles arbutifolia W. Knight, Knight, I. 1981-1 3965 Sonoma 2.3 mi up Cavedale Rd. from jct of State Rt. #12 Comment
  CDA30978  Heterotheca oregona D. G. Kelch, Troy McGregor 2010-8-22 10 .36 Sonoma Geyser Peak Rd along Sulfur Creek nr historic bridge. Comment
  UCD166419  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Comment
  RSA0075934  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Banks of Russian River. Comment
  RSA0075935  Heterotheca oregona Peter Rubtzoff 1956-9-23 2942 Sonoma Hacienda Region, left side of Russian River, near the road from Forest Hills to Highcroft, about 0.5 mi SW of the Russian River bridge in Hacienda. Comment
  CAS-BOT-BC311062  Heterotheca oregona var. oregona Mary P. Wells 1984-7-20 396 Sonoma In So. Fork Gualala River by The Sea Ranch Comment
  CAS-BOT-BC420943  Heuchera micrantha var. diversifolia Mary P. Wells 1984-7-20 384 Sonoma Hot Spot, The Sea Ranch Comment
  JEPS23929  Heuchera micrantha var. diversifolia Volney Rattan 1877-1 Sonoma Guerneville Comment
  CAS-BOT-BC424180  Heuchera micrantha var. erubescens Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC424181  Heuchera micrantha var. erubescens Peter Rubtzoff 1954-6-5 1455 Sonoma S of Guerneville (Neely Hill area) Comment
  CAS-BOT-BC423439  Heuchera micrantha var. hartwegii Milo S. Baker 1924-4-27 101 -Local 24 Sonoma Sonoma Mt. Road to Cooper's [Coppers] Grove Comment
  CAS-BOT-BC424433  Heuchera pilosissima Alice Eastwood 1917-5-13 s.n. Sonoma At the bay, Bodega Point Comment
  POM253357  Heuchera pilosissima A. A. Heller 1938-5-14 s.n. Sonoma S end of Bodega Bay Comment
  SEINET195012  Heuchera pilosissima A. A. Heller 1938-5-14 15085 Sonoma Near S end of Bodega Bay Comment
  UCSB2552  Heuchera pilosissima Keator, Glenn 1959-4-1 Sonoma 1.5 miles north of Fort Ross Monument on Highway 1 Comment
  CAS-BOT-BC319706  Hieracium albiflorum Peter Rubtzoff 1952-6-3 1157 Sonoma South slopes of Fitch Mtn. near Healdsburg Comment
  CAS-BOT-BC319709  Hieracium albiflorum Volney Rattan 1877-6-15 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC319711  Hieracium albiflorum Rimo Bacigalupi 1926-5-2 1390 Sonoma Cazadero Comment
  UCD160127  Hieracium albiflorum James A. Neilson Jr. 1973-6-6 3559 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  CAS-BOT-BC319710  Hieracium albiflorum Marian L. Campbell 1920-8-1 s.n. Sonoma Monte Rio Comment
  CAS-BOT-BC55455  Hirschfeldia incana Walter Knight; Irja Knight 1963-9-12 252 Sonoma Petaluma. Magnolia Avenue. Comment
  CAS-BOT-BC280794  Holcus lanatus Peter Rubtzoff 1951-8-4 590 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  UC1055946  Holcus lanatus Peter Kamb and Francia Chisaki 1950-6-16 1856 Sonoma 1 mi n Sousa Corners (nw of Sebastopol, Pitkin Marsh); Pitkin Marsh Comment
  UCR121478  Holcus lanatus George K. Helmkamp, E. A. Helmkamp 2000-6-18 5698 Sonoma Outer North Coast Ranges, along Calif. Hwy 128, 0.5 mi south of Mendocino Co. line 381 Comment
  RSA790984  Holocarpha virgata subsp. virgata Peter Rubtzoff 1963-8-24 5245 Sonoma 2.5 miles north of Sebastopol 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
  UCD160857  Holodiscus discolor James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3267 Sonoma Mayacmas Mountains, ca, 1/2 mile south of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC152392  Holodiscus discolor var. discolor G. DeNevers 1981-5-26 1325 Sonoma Near Phillips House, Pepperwood Ranch Comment
  JEPS120286  Holodiscus dumosus var. cedrorum Barbara Ertter with R. Raiche, J. Shevock, R. Bittman, et al. 1994-6-23 12850 Sonoma The Cedars serpentine area at head of Big Austin Creek N of Cazadero, ca 20 airmiles due W of Healdsburg, along south side of creek Comment
  UCR244743  Holozonia filipes Peter Rubtzoff 1971-7-9 6601 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  UCR280161  Holozonia filipes Peter Rubtzoff, Nancy Harrison 1976-6-18 8646 Sonoma North Coast Range, False Lake Meadow area, Annadel State Park 221 Comment
  JEPS85278  Holozonia filipes R. Bacigalupi and P. Rubtzoff 1976-8-6 Sonoma 1 to 1.5 mi w of Bavarian Lion Company ranch road junction with Franz Valley Rd. ((0.4 mi s of Hwy 128), off s side of Bavarian Lion Company ranch road (between it and a creek)); Knights Valley Comment
  UCD85403  Hordeum brachyantherum Hursh 1919-5-13 X 3244 Sonoma Santa Rosa. Comment
  CAS-BOT-BC289287  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1955-5-7 1828 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC289288  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1958-8-9 3822 Sonoma Laguna de Santa Rosa north of Sebastapol, near Occidental Road Comment
  CAS-BOT-BC289540  Hordeum brachyantherum subsp. californicum Roxana S. Ferris; Laura Lorraine 1961-6-14 13545 Sonoma Junction of Occidental Road with Facendini Lane Comment
  CAS-BOT-BC289541  Hordeum brachyantherum subsp. californicum John H. Thomas 1976-6-16 18346 Sonoma Southern part of Sea Ranch northwestern part of county about 7 iles south of Gualala 30 Comment
  UCD85530  Hordeum brachyantherum subsp. californicum Roxana S. Ferris; Laura Lorraine 1961-6-14 13545 Sonoma Junction of Occidental Road with Facendini Lane. Comment
  SACT001333  Hordeum depressum P. Kennedy 1916/06/00 Sonoma coastal bluffs Comment
  CAS-BOT-BC285185  Hordeum marinum subsp. gussoneanum G. DeNevers 1981-5-9 1019 Sonoma Pepperwood Ranch. By the Red Corral at the McCann Homestead Comment
  CAS-BOT-BC284844  Hordeum murinum subsp. glaucum Peter Rubtzoff 1951-7-21 487 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  RSA123428  Hordeum murinum subsp. glaucum R. W. Lundh 1932-7-19 118 Sonoma 1/2 mile W. Los Alamos School 518 Comment
  UCD85931  Hordeum murinum subsp. leporinum A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3557 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  UC903144  Horkelia californica Ethel Crum 1930-7-27 818 Sonoma n Fort Ross; North Coast Ranges Comment
  CAS-BOT-BC536157  Horkelia californica John Thomas Howell 1930-6-8 5279 Sonoma 8 miles north of Bodega Bay Comment
  CAS-BOT-BC536158  Horkelia californica John Thomas Howell 1930-7-27 5389 Sonoma Fort Ross Comment
  SD56711  Horkelia californica Darley F. Howe 1963-8-1 Sonoma 2.2 mi. no. of Jenner on #1 Comment
  RSA731317  Horkelia tenuiloba Chris K. Kjeldsen, Daniel T. Kjeldsen 2005-10-4 1885 Sonoma Coast Ranges: Russian River watershed, Bohemian Grove, N of Camp Meeker and Tyrone off Bohemian Highway. 128 Comment
  UC353799  Horkelia tenuiloba Milo S. Baker 1899-5-1 3005 b Sonoma near Vine Hill; Pitkin Ranch Comment
  UCD106010  Hosackia gracilis Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-24 67 A Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. 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
  UCSB4120  Hypericum anagalloides Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; NW of Sebastopol; 1 mi north of Sousa Corners 60 Comment
  UCD110316  Hypericum calycinum Frederica Bowcutt 1984-6-24 463 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma county coast. Old home site near existing barn just of park road. Northwest of Gerstle Cove approx. 1/2 mile. 30 Comment
  UCD53888  Hypericum calycinum Dorothy Kleinschmidt 2005-9-4 s.n. Sonoma Santa Rosa. Comment
  UCD148322  Hypochaeris glabra Peter Rubtzoff 1953-11-1 1429 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC316719  Hypochaeris radicata Walter Knight; Irja Knight 1963-8-13 303 Sonoma Horseshoe Cove Comment
  UC455899  Hypochaeris radicata I. J. Condit 1908-8-13 Sonoma Sebastopol Comment
  CAS-BOT-BC316716  Hypochaeris radicata Carl B. Wolf 1927-9-2 1347 Sonoma 2 miles south of Anchor Cove Comment
  CAS-BOT-BC366946  Ipomoea mutabilis Greg de Nevers 1996-11-10 10893 Sonoma Santa Rosa, Sonoma Avenue 30 Comment
  UC72230  Iris douglasiana Milo S. Baker 1898-4-3 Sonoma between Guerneville and Cazadero Comment
  SEINET12048683  Iris fernaldii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -106 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12, ca 1.6 mi N of Cavedale Rd from jct 457 Comment
  JEPS128343  Iris macrosiphon Roger Raiche 2000-4-7 021 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA135848  Iris macrosiphon E. K. Balls, Lee W. Lenz 1951-5-10 16537 Sonoma 0.7 miles south of Mendocino-Sonoma County line on Highway 28 Comment
  CAS-BOT-BC376280  Iris xiphium Greg de Nevers No date on label 10726 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC61926  Isoetes nuttallii Peter Rubtzoff 1951-6-7 138 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC112577  Isolepis cernua Marcus Eugene Jones 1882-7-17 s.n. Sonoma Duncan Mills Comment
  RSA540069  Isolepis cernua Peter Rubtzoff 1963-6-5 5152 Sonoma Brooks Gulch Marsh. Comment
  SD58355  Isolepis cernua W. L. Jepson 1931-7-19 15945 Sonoma Sea-bluffs, just north of Salmon Creek. (IPB 11/07) Comment
  CAS-BOT-BC340225  Jaumea carnosa Peter Rubtzoff 1962-7-14 5001 Sonoma Lower Salmon Creek Marsh Comment
  RSA0035351  Juncus balticus Peter Rubtzoff 1957-5-11 3333 Sonoma Occidental Marsh. Comment
  UCD141323  Juncus balticus subsp. ater Frederica Bowcutt 1997-7-18 2182 b Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge west of Bear Creek. 365 Comment
  UC1601709  Juncus bolanderi F. T. Bioletti 1893-5-27 718 Sonoma Glen Ellen Comment
  SEINET7042397  Juncus bufonius A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  CAS-BOT-BC182749  Juncus dubius Peter Rubtzoff; Nancy Harrison 1978-5-20 9187 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley Comment
  UCD164103  Juncus dubius Peter Rubtzoff; Nancy Harrison 1978-5-20 9187 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC227620  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5907 Sonoma Lichan Marsh Comment
  RSA789173  Juncus effusus subsp. pacificus Peter Rubtzoff 1969-8-14 6136 Sonoma Coleman Marsh. Comment
  SD99413  Juncus hesperius Christopher Davidson 1977-6-20 6035 Sonoma Ridge Crest Road, on Sea Ranch property, south of Gualala River. Deep shade on slight slope north toward small stream. 29 Comment
  UCD166109  Juncus kelloggii Peter Rubtzoff 1972-4-23 6732 Sonoma Vernal pool, 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  RSA789175  Juncus laccatus Peter Rubtzoff 1968-7-13 5919 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC329266  Juncus lescurii Peter Rubtzoff 1955-8-20 2068 Sonoma Bodega Harbor Marsh. Comment
  UCD67349  Juncus lescurii B. Rodeheaver 1973-5-12 43 Sonoma Bodega Head, W of Bodega Marine Lab dormitories. Near sand dunes. Comment
  CAS-BOT-BC210071  Juncus occidentalis Peter Rubtzoff 1974-6-2 7515 Sonoma Upper Green Valley Marsh Comment
  CDA39261  Juncus phaeocephalus T. C. Fuller & D. L. Bristow 1957-12-17 s.n. Sonoma Horn Ave., south of Santa Rosa. 0 Comment
  UCD142923  Juncus tenuis R. Tofsrud 1947-5-4 s.n. Sonoma Parker Hill near Santa Rosa. Comment
  UCD158736  Juncus tenuis James A. Neilson Jr. 1974-7-25 3049 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. 792 Comment
  UCD161842  Juncus xiphioides James A. Neilson Jr. 1974-7-10 2816 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1027 Comment
  UC169319  Keckiella corymbosa Joseph Burtt Davy and Walter C. Blasdale 1899-7-22 6009 Sonoma Austin Creek Comment
  UCR248737  Kickxia spuria Peter Rubtzoff 1970-9-8 6381 Sonoma marsh on River Road, c. 3 miles west of Fulton 27 Comment
  CAS-BOT-BC273785  Koeleria pyramidata G. DeNevers 1981-5-9 1045 Sonoma Pepperwood Ranch. Along the road cut above the Strebel Homestead Comment
  CAS-BOT-BC340482  Lactuca saligna W. Knight; I. Knight 1984-9-26 5286 Sonoma 5.9 mi. up Cavedale Road Comment
  UC1069689  Lactuca serriola H. S. Yates 1935-10-3 5344 Sonoma Santa Rosa Santa Rosa Quad., Santa Rosa 53 Comment
  CAS-BOT-BC340660  Lactuca serriola Mary P. Wells 1985-9-2 611 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC340661  Lactuca serriola Mary P. Wells 1985-9-2 611 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC274320  Lagurus ovatus John H. Thomas 1976-6-15 18228 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  SEINET190913 Image available Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mi N of Steward Point. Comment
  CHSC79887  Lamarckia aurea Gordon Leppig 1998-5-6 1344 Sonoma Austin Creek State Recreation Area, Austin Creek Trail, UTM zone 10 4269N, 495E. 176 Comment
  UCD63283  Lamarckia aurea Beecher Crampton 1963-5-27 6813 Sonoma Sonoma County, border with Mendocino County, ca. 3 - 4 miles north of Cloverdale. Comment
  UCD63321  Lamarckia aurea Freed W. Hoffman 1941-4-25 2239 Sonoma Luttrell Ranch, near Guerneville. Comment
  CAS-BOT-BC486690  Lamiaceae Peter Rubtzoff 1966-8-18 5784 Sonoma Laguna de Santa Rosa ca 1 mile ESE of Sebastopol Comment
  CAS-BOT-BC486691  Lamiaceae Peter Rubtzoff 1974-5-25 7452 Sonoma Upper Green Valley Marsh Comment
  UC1368723  Lasthenia burkei Peter Rubtzoff 1969-5-11 6035 Sonoma ne of Graton at end of Pinar Road; Laguna de Santa Rosa Comment
  SEINET11447674  Lasthenia burkei P. Rubtzoff 1974-1 Sonoma Comment
  JEPS1129021  Lasthenia californica Dean W. Taylor 1994-5-4 14217 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road 249 Comment
  CAS-BOT-BC346332  Lasthenia californica G. DeNevers 1981-4-18 739 Sonoma Pepperwood Ranch. By the Studio Comment
  UC579278  Lasthenia californica subsp. bakeri H. S. Yates 1934-4-21 3787 Sonoma near Bodega 60 Comment
  UC76020  Lasthenia californica subsp. bakeri Milo S. Baker 1899-5-6 Sonoma near Sebastopol Comment
  UCD158815  Lasthenia californica subsp. californica James A. Neilson Jr. 1974-4-17 3056 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC324413  Lasthenia californica subsp. macrantha Mrs. H. C. Cantelow 1936-1-26 1102 Sonoma Bodega Bay Comment
  UC353938  Lasthenia californica subsp. macrantha Milo S. Baker 1928-4-14 2977 b Sonoma coast near bay Comment
  SJSU11865  Lasthenia californica subsp. macrantha S. H. Casey 1969-5-13 243 Sonoma Sea Ranch, 3 mi N of Stewarts Point Comment
  UC499848  Lasthenia minor Roxana S. Ferris 1932-5-27 8256 Sonoma n end of Bodega Bay Comment
  CAS-BOT-BC370855  Lasthenia minor Ella Dales Cantelow 1941-4-14 3545 Sonoma Near Ocean. Mouth of Salmon Creek Comment
  RSA783476  Lathyrus Peter Rubtzoff 1974-4-17 7363 Sonoma Upper Green Valley Marsh area Comment
  RSA783472  Lathyrus Peter Rubtzoff 1971-9-1 6672 Sonoma Spring Creek Reservoir area east of Santa Rosa Comment
  CAS-BOT-BC344876  Lathyrus jepsonii Peter Rubtzoff 1958-7-19 3771 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  SBBG3372  Lathyrus vestitus H. and M. Dearing 1939-4-28 3219 Sonoma near Fairfax Comment
  UCD38479  Lathyrus vestitus Beecher Crampton 1955-6-17 2974 Sonoma State Hwy. 12, 1 mile east of Duncan Mills. Comment
  UC864425  Lathyrus vestitus var. alefeldii Marcus E. Jones, A. M. 1882-7-17 3576 Sonoma Duncan's Mills Comment
  UC1128950  Lathyrus vestitus var. vestitus E. Armstrong 1934-3-26 928 Sonoma 1 mi w Camp Meeker; Sebastopol Quad. 121 Comment
  POM361720  Layia chrysanthemoides J. T. Howell 1931-4-1 6036 Sonoma 9 miles SW of Sonoma on road to San Rafael. Comment
  SEINET3071642 Image available Layia chrysanthemoides subsp. maritima J. C. Clausen 1935-5-24 1090 Sonoma 6.2 mi. S. of Jenner Comment
  CAS-BOT-BC379619  Layia platyglossa A. A. Heller 1903-4-23 6608 Sonoma Fort Ross Comment
  RSA0001366  Layia platyglossa Jens Clausen 1935-5-24 1094 Sonoma 6.5 miles S. of Jenner. Comment
  CAS-BOT-BC274364  Leersia oryzoides Greg de Nevers 1995-10-1 10775 Sonoma Russian River near Mirabel Road 91 Comment
  UC688868  Leersia oryzoides Freed Hoffman 1943-10-26 5 Sonoma near Guerneville (Russian River); Russian River Comment
  UCR279862  Leersia oryzoides Peter Rubtzoff 1969-8-27 6163 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  RSA0056431  Leersia oryzoides Greg de Nevers 1995-10-1 10775 Sonoma Russian River near Mirabel Road. 91 Comment
  UCD166259  Lemna Peter Rubtzoff 1970-8-18 6316 Sonoma 5 miles north of Sears Point. 11 Comment
  UC1106279  Lemna gibba John Thomas Howell 1946-9-20 23028 Sonoma near Twin Rocks (Two Rock (acc. map)); Two Rock Comment
  CAS-BOT-BC527284  Lemna minuta Peter Rubtzoff 1951-8-4 574 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  RSA0025211  Lemna minuta Peter Rubtzoff 1955-7-31 2007 Sonoma Forestville Marsh. Comment
  UCR256273  Lemna valdiviana Peter Rubtzoff 1954-7-29 1612 Sonoma Guerneville Marsh Comment
  UCR256275  Lemna valdiviana Peter Rubtzoff 1954-8-10 1671 Sonoma Bodega Head Marsh 6 Comment
  CAS-BOT-BC173646  Lepidium Peter Rubtzoff 1962-9-30 5101 Sonoma Vacation Beach, 2 miles below Guerneville on Russian River bottoms Comment
  CAS-BOT-BC89149  Lepidium didymum Alice Eastwood 1915-6-29 4866 Sonoma Bodega Point. Comment
  RSA790009  Lepidium didymum Peter Rubtzoff 1960-5-15 4333 Sonoma Fife Creek Marsh. Comment
  UCD115703  Lepidium latifolium Walter Knight 1963-8-9 s.n. Sonoma Petaluma city limits sign on highway to Lakeville. Comment
  UC10643  Lepidium latipes Edw. L. Greene Apr 1892 Sonoma Mt. St. Helena Comment
  UC72927  Lepidium nitidum Milo S. Baker 1898-2-19 714 Sonoma ne of Santa Rosa Comment
  UCSC000315  Lepidium nitidum I. J. Condit 2013-3-7 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC12757  Lepidium oxycarpum J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma. Comment
  POM182701  Lepidium oxycarpum D. D. Keck 1931-4-1 996 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma) 10 Comment
  UC72925  Lepidium virginicum var. pubescens Miss M. Alice King Apr 1897 Sonoma near Healdsburg Comment
  POM179768  Leptosiphon androsaceus J. T. Howell 1930-6-8 5254 Sonoma 1 mile east of Bodega Bay 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
  CAS-BOT-BC376217  Leptosiphon jepsonii Greg de Nevers 1992-5-13 10149 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Garrison Canyon 475 Comment
  UCD55148  Leptosiphon jepsonii Ellen Dean; Tammie Beyerl 2006-4-28 3030 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 254 Comment
  UCR261617  Leptosiphon latisectus Ann Howald 2003-3-8 2274 Sonoma Inner North Coast Ranges, Mayacamas Mountains, Sugarloaf Ridge State Park, McCormick Addition, c. 0.1 mile east of intersection of Headwaters Trail and Grandmother Oaks Trail 450 Comment
  UCR265096  Leptosiphon parviflorus Ann Howald, Christina Freeman 2015-4-13 3343 Sonoma Inner North Coast Ranges, Annadel State Park, Ledson Marsh, northwest corner, south of Marsh Trail 362 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
  RSA731316  Lessingia arachnoidea Chris K. Kjeldsen, Daniel T. Kjeldsen 2005-10-4 1885 Sonoma Coast Ranges: Russian River watershed, Bohemian Grove, N of Camp Meeker and Tyrone off Bohemian Highway. 128 Comment
  RSA0001374  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa. Comment
  JEPS128329  Lessingia ramulosa Roger Raiche 2009-8-23 039 .09 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS86745  Lessingia ramulosa Jack and Betty Guggolz 1990-9-17 1093 Sonoma on creek just below reservoir (about one mi n of Camp Meeker); Grub Creek 79 Comment
  RSA216145  Lilaea scilloides Peter Rubtzoff 1961-5-24 4605 Sonoma Upper Stemple Creek Marsh. Comment
  CAS-BOT-BC451703  Lilaea scilloides Peter H. Raven 1963-4-12 18162 Sonoma Along U. S. 101 just south of Asti. Comment
  CAS-BOT-BC451712  Lilaea scilloides Peter Rubtzoff 1962-8-22 5056 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC130692  Lilium occidentale Peter Rubtzoff 1951-6-7 133 Sonoma Western branch of the Upper Marsh Comment
  UC1051674  Lilium pardalinum Peter Kamb and Francia Chisaki 1950-6-16 1860 Sonoma nw of Sebastopol (Pitkin Marsh, 1 mi n of Sousa Corners); Pitkin Marsh Comment
  JEPS77858  Limnanthes alba Robert M. Lloyd 1961-5-8 3623 Sonoma Sobre Vista Rd w Aqua Caliente (0.9 mi n of Arnold Dr.) Comment
  UC635574  Limnanthes douglasii subsp. douglasii A. E. Borell 1928-4-13 139 Sonoma Petaluma Comment
  SJSU10801  Limnanthes douglasii subsp. douglasii T. A. Wayne 1962-4-21 Sonoma Bennett Valley 3 mi SE of Sants Rosa Comment
  UCD150139  Limnanthes douglasii subsp. nivea Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1. 43 Comment
  RSA52724  Limnanthes douglasii subsp. nivea I. L. Wiggins 1949-4-30 12064 Sonoma 4 miles W of Calistoga Comment
  RSA215944  Limnanthes vinculans Peter Rubtzoff 1966-5-29 5726 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road) Comment
  UCSC008591  Limnanthes vinculans Randall Morgan 2003-1 Sonoma Comment
  CAS-BOT-BC258914  Limosella Peter Rubtzoff 1970-5-16 6220 Sonoma 5 miles north of Sears Point. Comment
  SD251298  Limosella Peter Rubtzoff 1966-5-7 5721 Sonoma Laguna de Santa Rosa, East of Graton, between Occidental and Guerneville roads Comment
  SEINET7067341  Linanthus acicularis A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor. Coordinate datum: NAD27. UTM Zone 10, 522900mE, 4266529mN. Comment
  CDA36957  Linanthus androsaceus CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UC908797  Linanthus androsaceus Herbert L. Mason 1928-4-8 4289 Sonoma 2 mi n Fort Ross Comment
  UC52738  Linanthus androsaceus C. B. Turrill Sonoma Comment
  UC126422  Linanthus dichotomus Katharine Brandegee Jun 1889 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC249305  Lindernia Peter Rubtzoff 2013-2-15 8357 Sonoma Bennett 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
Read comments
May 27 2016
  JEPS117116  Linum trigynum Peter Warner 2010-6-16 167 Sonoma Jenner Headlands, Knoll Field, 203 m S 244 deg. W of residence house Comment
  CAS-BOT-BC435672  Lithophragma heterophyllum G. DeNevers 1981-3-14 548 Sonoma Pippindale farm, 7 mi. NE of Santa Rosa, near Mark West lodge. In the 1st E fork of the N fork, up the canyon where we planted Pinus ponderosa Comment
  SJSU10360  Lithophragma heterophyllum T. A. Wayne III 1962-4-21 Sonoma 3 mi S of Santa Rosa through Bennett Valley Comment
  UC1093862  Logfia gallica Herbert L. Mason 1947-5-4 13210 Sonoma near Kenwood; Hood Mountain Comment
  CAS-BOT-BC283291  Lolium multiflorum Peter Rubtzoff 1951-6-17 276 Sonoma Pitkin Marsh, near Forestville. N half of Lower Marsh Comment
  UCD84595  Lolium perenne Frederica Bowcutt 1994-6-12 1841 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Sonoma Creek near trailhead for Hillside trail. 365 Comment
  RSA121238  Lolium perenne subsp. multiflorum H. S. Yates 1937-5-30 6552 Sonoma 1.5 miles E. of Occidental. 91 Comment
  CAS-BOT-BC269191  Lolium temulentum A. A. Heller 1902-6-10 5679 Sonoma Santa Rosa Comment
  UCD66634  Lolium temulentum A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3570 Sonoma 9.1 miles northwest of Santa Rosa. Comment
  CAS-BOT-BC269190  Lolium temulentum 1880-7-28 s.n. Sonoma Petaluma Comment
  UC673270  Lomatium caruifolium var. caruifolium Lincoln Constance and Reed C. Rollins 1942-5-10 2862 Sonoma 4 mi. n. Geyserville; North Coast Ranges 60 Comment
  CAS-BOT-BC240645  Lonicera hispidula Walter Knight; Irja Knight 1963-9-15 294 Sonoma Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC240650  Lonicera hispidula Alice Eastwood 1915-6-5 4565 Sonoma Petrified Forest Comment
  CAS-BOT-BC240651  Lonicera hispidula Peter Rubtzoff 1952-5-31 1115 Sonoma Pitkin Marsh, near Forestville. Bordering the central part of the Pitkin Marsh Comment
  CDA9231  Lonicera involucrata var. ledebourii D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  UC889578  Lonicera involucrata var. ledebourii Marcus E. Jones, A. M. 1882-7-17 2739 Sonoma Duncan's Mills Comment
  CAS-BOT-BC304423  Lotus Peter Rubtzoff 1970-5-16 6226 Sonoma Five miles north of Sears Point. Comment
  CAS-BOT-BC540824  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rohnert Park., creek bed west of Commrece Blvd. crossing. Comment
  RSA0020334  Lotus Peter Rubtzoff 1971-5-8 6452 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  RSA0020335  Lotus Peter Rubtzoff 1974-6-2 7503 Sonoma Upper Green Valley Marsh. Comment
  RSA0020336  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rohnert Park, creek bed west of Commerce Blvd. crossing. Comment
  SEINET12165325  Lotus crassifolius Unknown 1985-1 RR 50572 Sonoma W side of Dry Creek Valley, N of Crane Ck, S of Bradford Mt, headwaters of Wine Crk 305 Comment
  RSA620426  Lotus formosissimus Peter Rubtzoff 1966-4-30 5688 Sonoma North side of Highway 116, 0.5 mile northwest of Stony Point Road crossing. Comment
  UC192623  Lotus humistratus Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  SEINET12165156  Lotus humistratus W. Knight, Knight, I.; DrEdwards, S. 1986-1 5353 Sonoma Geyser Peak - access from Healdsbrug-Geysers Rd 853 Comment
  JEPS117056  Lotus pinnatus Peter Warner 2007-5-12 84 Sonoma Mayacamas Audubon Sanctuary, Pine Flat Road, E of Geyserville; along Little Sulphur Creek, at bridge approx. 1 km N of Sanctuary parking lot at Pine Flat. 631 Comment
  UCR2752547  Lotus purshianus Peter Rubtzoff 1971-6-25 6563 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  UC400143  Lotus purshianus var. purshianus Ynes Mexia 1929-6-2 2392 Sonoma near Mark West Springs Comment
  UC15595  Lotus scoparius Miss Alice King Jun 1897 Sonoma Healdsburg Comment
  RSA138211  Lotus unifoliolatus Volney Rattan 1877-1 s.n. Sonoma Santa Rosa Comment
  UC1223413  Lotus wrangelianus Joseph P. Tracy 1933-5-1 12128 Sonoma below Knight's Valley; Mayacama Creek Comment
  UC1745892  Lotus wrangelianus Annetta M. Carter, Edward Lee 1936-6-21 1199 Sonoma 2.2 mi. inland from Bodega Bay on road to Bodega. Comment
  SEINET3523654 Image available Lotus wrangelianus A. A. Heller 1937-5-1 16175 Sonoma Foot of the bluff north of Bodega Bay Comment
  UCD65993  Ludwigia hexapetala B. J. Grewell 2005-10-3 05- 33 -LU Sonoma Laguna Wildlife Area, Laguna de Santa Rosa at Blucher Creek Confluence. California Dept. of Fish and Game. Downstream of Todd Road bridge, Laguna de Santa Rosa south of Sebastopol, CA. 22 Comment
  CAS-BOT-BC251195  Ludwigia palustris Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7800 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC251071  Ludwigia palustris var. pacifica Peter Rubtzoff 1954-8-2 1628 Sonoma Austin Creek Marsh. Comment
  UCR280184  Ludwigia peploides Peter Rubtzoff 1958-7-20 3782 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road) 30 Comment
  CAS-BOT-BC195976  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-27 48164 Sonoma Junction Melitta-Mark West-Petrified Forest roads. Petrified Forest, junction Comment
  CAS-BOT-BC195979  Lupinus albifrons var. albifrons Alice Eastwood 1893-4-27 s.n. Sonoma Hood Mt. Comment
  CAS-BOT-BC195986  Lupinus albifrons var. albifrons F. Almeda; G. DeNevers 1981-4-28 4912 Sonoma Vicinity of the Bechtel cabin. Pepperwood Ranch Comment
  JEPS77262  Lupinus albifrons var. albifrons Robert M. Lloyd 1963-4-24 2399 Sonoma 16.5 mi from State Hwy. 12 on road to Oakdale 274 Comment
  RSA0070145  Lupinus arboreus Daisie Huang 2006-5-30 06053016 Sonoma Bodega Marine Laboratory. In parking lot. 3 Comment
  UC73239  Lupinus bicolor Miss M. Alice King May 1897 Sonoma near Healdsburg; near Healdsburg Comment
  POM186932  Lupinus densiflorus var. aureus Marcus E. Jones 1931-7-5 28954 Sonoma The Geysers. Comment
  POM320491  Lupinus densiflorus var. densiflorus Chris Dearden 1971-4-7 26 Sonoma Roadside turnout along HIghway 1, between Lytton and Geyserville. Pacific ocean drainage area. 213 Comment
  SEINET10737353 Image available Lupinus densiflorus var. lacteus Marcus E. Jones 1882-7-17 Jones 3329 Sonoma Duncan's Mills. Comment
  SEINET10485253  Lupinus densiflorus var. palustris Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-8 Conrad 7076 Sonoma Roadside along hwy 1, 3.4 mi. N of jenner. 91 Comment
  RSA0003396  Lupinus densiflorus var. persecundus Marcus E. Jones 1882-7-17 3329 Sonoma Duncan's Mills. Comment
  UC501358  Lupinus formosus H. E. and S. T. Parks 1930-5-10 849 Sonoma Knights Valley Comment
  SEINET10903859  Lupinus formosus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7084 Sonoma On n-facing grassy clay bank, .6 mi w of sonoma-napa co line on hwy 121. 61 Comment
  CDA36830  Lupinus latifolius CDFA Staff 2002-5-17 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCR265092  Lupinus latifolius Ann Howald 2015-4-1 3335 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 17.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 260 Comment
  UC73199  Lupinus latifolius var. latifolius Miss M. Alice King April, 1897 Sonoma near Healdsburg; near Healdsburg Comment
  UC479108  Lupinus luteolus Marcus E. Jones, A. M. 1931-7-5 28954 Sonoma The Geysers Comment
  SEINET12165889  Lupinus micranthus F. H. Utech 1988-1 88 -196 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh and adjoining meadows 10 Comment
  UC1084473  Lupinus microcarpus var. microcarpus G. Thomas Robbins 1937-6-6 239 Sonoma along roadside near Bodega Bay; near Bodega Bay Comment
  UC865138  Lupinus microcarpus var. microcarpus W. Bridge Cooke 1942-8-16 16368 Sonoma along State Route 1, 1 mi s Jenner (roadside bank facing the ocean); s of Jenner Comment
  UCD108976  Lupinus nanus Mary M. Hektner 1976-5-10 250 Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET10837773  Lupinus nanus subsp. nanus P. Rubtzoff 1974-5-18 Rubtzoff 7411 Sonoma Todd road 1.4 mi from hwy 116 and .6 mi from llano rd. Vernally wet, now Drying meadow. Comment
  UC73201  Lupinus pachylobus Milo S. Baker 1898-4-20 631 Sonoma Taylor Mt. Comment
  UC865365  Lupinus pachylobus Alice Eastwood 1918-5-1 6844 Sonoma Mt. St. Helena Comment
  HSC81612  Lupinus polycarpus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5127 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  UC201943  Lupinus rivularis Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  UCD109576  Lupinus stiversii A. S. Crafts 1935-5-15 s.n. Sonoma Exact location unknown. Comment
  JEPS65490  Lupinus tidestromii William S. Cooper 1925-7-25 84 Sonoma Bodega Pt. Comment
  UCD41195  Lupinus tidestromii Sue Nichol 2003-5-29 s.n. Sonoma Goat Rock Dunes State Park. Jenner. Comment
  RSA0036442  Lupinus variicolor Daisie Huang 2006-5-30 06053015 Sonoma Bodega Marine Laboratory. Coastal bluff near building. (waypt 30D). 2 Comment
  SEINET10489101  Lupinus variicolor H. Dearing, M. Dearing 1939-5-14 Dearing 3349 Sonoma From coast on russian river. Prostrate, flower stalks ascending, leaves green Two and a half inches long, banner whitish, wings deep blue. Comment
  CAS-BOT-BC210023  Luzula Peter Rubtzoff 1974-4-17 7369 Sonoma Upper Green Valley Marsh area Comment
  CAS-BOT-BC436742  Luzula comosa var. comosa Peter Rubtzoff 1951-6-7 131 Sonoma Pitkin Marsh. near Forestville. Western branch of the Upper Marsh Comment
  UCD103007  Lythrum hyssopifolia Frederica Bowcutt 1984-6-23 424 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along Sonoma County Coast. Immed. N of Gerstle Cove. W of Hwy 1. 24 Comment
  UCD151200  Lythrum hyssopifolia James A. Neilson Jr. 1974-7-10 2815 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  CDA18035  Lythrum hyssopifolia R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena Spring. 0 Comment
  CDA19168  Lythrum salicaria S. Opbroek 2000-7-5 PDR 038246 Sonoma North Coast Ranges; Along Hwy 116, Sebastopol. 0 Comment
  CDA19171  Lythrum salicaria S. Opbroek 2000-7-14 PDR 038289 Sonoma North Coast Ranges; 6225 Stony Pt. Rd., Cotati. 0 Comment
  CAS-BOT-BC368100  Madia anomala Greg de Nevers 1998-5-12 11247 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD160118  Madia anomala James A. Neilson Jr. 1973-6-3 3163 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC342620  Madia anomala G. DeNevers 1981-5-5 960 Sonoma Pepperwood Ranch. On the bench S of the Studio Comment
  CAS-BOT-BC342621  Madia anomala G. DeNevers 1981-5-15 1213 Sonoma Pepperwood Ranch. Along road to Hansel's Lake (from the bottom of her driveway) Comment
  JEPS77886  Madia elegans Edward Lee 1934-4-30 751 Sonoma 1 mi w 2 Rock junction Comment
  RSA92902  Madia elegans subsp. elegans F. W. Peirson 1925-8-8 6346 Sonoma About 1 mile N of Santa Rosa. Comment
  JEPS128215  Madia exigua Roger Raiche 2000-5-4 061 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SD254541  Madia exigua Ann Howald, Christina Freeman 2015-1-1 3414 Sonoma Inner North Coast Ranges: Annadel State Park, Lawndale wetlands, northeast of intersection of Lawndale and Marsh trails (Kenwood 7.5'Q) 370 Comment
  UCR25294  Madia exigua John C. Roos 1957-7-2 6649 Sonoma Miller Ridge Comment
  CAS-BOT-BC344553  Madia exigua Catherine Best 1981-5-2 s.n. Sonoma Stoetz Lane about 4 miles north of Occidental Comment
  UCD132825  Madia gracilis Frederica Bowcutt 1994-5-21 1832 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles NW of Napa, 1.5 air miles NE of Kenwood. Along the Hillside Trail 1/2 mile. 396 Comment
  POM56193  Madia gracilis subsp. gracilis A. A. Heller 1902-6-23 5738 Sonoma Petrified Forest Comment
  CAS-BOT-BC345203  Madia sativa Alice Eastwood; John Thomas Howell 1936-5-19 2515 Sonoma 2 miles n. of Windsor Comment
  CAS-BOT-BC345212  Madia sativa Alice Eastwood 1915-6-29 s.n. Sonoma Bodega Point Comment
  UC830910  Madia sativa A. A. Heller 1902-8-18 6050 Sonoma Santa Rosa Comment
  RSA785885  Madia sativa Peter Rubtzoff 1974-6-22 7623 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA786499  Madia sativa Peter Rubtzoff 1974-5-18 7415 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC511493  Maianthemum stellatum Greg de Nevers 1981-4-18 737 Sonoma Hot roadside at cnfluence of Mark west Creek with Leslie Creek, Pepperwood Ranch Comment
  UCD132837  Malacothrix floccifera Frederica Bowcutt; Jeff Kennedy (Det.) and Jolie Hendricks 1994-5-1 1751 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; ~11 air miles E of Santa Rosa; ~18 air miles NW of Napa; ~1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along Goodspeed Trail ~1/8 mile from trail head on Adobe Canyon Rd. 213 Comment
  POM187938  Malacothrix floccifera Marcus E. Jones 1931-8-3 29094 Sonoma Cloverdale. Comment
  UC855219  Meconella californica Alice Eastwood 1917-5-10 Sonoma on rd Bodega Point Comment
  UCD161374  Melica James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, (Elevation and exact location estimated by label maker.) 731 Comment
  CAS-BOT-BC269515  Melica californica John Thomas Howell 1934-3-26 11791 Sonoma 12 miles from Calistoga on Alexander Valley road Comment
  CAS-BOT-BC281276  Melica geyeri G. DeNevers 1981-5-15 1164 Sonoma Pepperwood Ranch. N arm of Garrison Canyon Comment
  CAS-BOT-BC281279  Melica geyeri G. DeNevers 1987-6-1 8184 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd, Santa Rosa 400 Comment
  CAS-BOT-BC281286  Melica geyeri J. W. Congdon 1892-3-29 s.n. Sonoma Cazadero Comment
  UCD87355  Melica geyeri R. Tofsrud 1948-5-1 s.n. Sonoma Woods between Kellogg and Alexander Valley. Comment
  UCD87362  Melica geyeri H. S. Yates 1937-5-30 6545 Sonoma 3 miles NW of Graton. 243 Comment
  UCD87311  Melica geyeri Virginia Bufford 1936-5-19 290 Sonoma Redwood Grove -- 11 mi. from Santa Rosa -- Sonoma Mt. Rd. Comment
  UCD87347  Melica geyeri R. Tofsrud 1942-4-1 279 Sonoma Along Mark West road about 3 mi. above the Springs resort. Comment
  UC34142  Melica harfordii Joseph Burtt Davy and Walter C. Blasdale 1899-7-22 6001 Sonoma Guerneville Comment
  UCD36688  Melica harfordii Beecher Crampton 1955-6-17 2941 Sonoma 4.5 miles S of Cazadero. Comment
  UCD87388  Melica harfordii B. Crampton 1955-6-17 2927 Sonoma 1.6 miles west of Forestville. Comment
  UCD88604  Melica subulata Frederica Bowcutt 1994-5-1 1782 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon, campground S of Sonoma Creek about 150 yds. 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  UCD88631  Melica subulata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  POM204779  Melica torreyana A. A. Heller 1902-3-27 5160 Sonoma Western base of Mt. Hood. Comment
  SEINET3383322 Image available Melica torreyana Barbara L. Wilson, Cheri Buskirk 2009-4-5 15419 Sonoma Santa Rosa; Annadel State Park; Comment
  UC1146661  Melica torreyana Freed W. Hoffman 1944-5-22 1996 Sonoma near ocean shore Cruz Ranch; North Coast Ranges Comment
  UCD89198  Melica torreyana R. Tofsrud 1941-4-1 303 Sonoma North bridge of Russian Gultch. Comment
  UCD89202  Melica torreyana R. Tofsrud 1942-4-1 301 Sonoma Stream bank about 3 mi. east Mark West resort below main road. Comment
  CAS-BOT-BC262960  Melilotus indicus Peter Rubtzoff 1958-8-17 3893 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  HSC15018  Melilotus indicus S. N. Wiemeyer 1962-4-20 30 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UC25359  Melissa officinalis J. Burtt Davy 1896-7-29 4146 Sonoma near Guerneville Comment
  CAS-BOT-BC164425  Mentha Peter Rubtzoff 1960-9-14 4553 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road). Comment
  UCD148432  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi. east of Healdsburg. Russian River. Comment
  JEPS117114  Mentha aquatica Peter Warner 2010-7-29 173 Sonoma Lower Pitkin Marsh, along primary drainage channel, near NE property boundary. Comment
  CAS-BOT-BC164092  Mentha pulegium Peter Rubtzoff 1955-9-24 2157 Sonoma Guerneville Marsh. Comment
  PASA1168  Mentha pulegium Frank W. Peirson 1925-8-8 Sonoma 5 miles east of Santa Rosa Comment
  RSA94355  Mentha pulegium Peter Rubtzoff 1951-7-14 458 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  RSA785149  Mentha rotundifolia Peter Rubtzoff 1973-8-28 7276 Sonoma Upper Green Valley Marsh. 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
  RSA784550  Mentha spicata Peter Rubtzoff 1961-8-24 4708 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC428464  Micranthes aprica Milo S. Baker 1928-3-1 2737 C Sonoma Golf Club Links Comment
  UCR261616  Micranthes californica Ann Howald 2003-3-8 2275 A Sonoma Inner North Coast Ranges, Mayacamas Mountains, Sugarloaf Ridge State Park, McCormick Addition, ca. 0.1 mile east of intersection of Headwaters Trail and Grandmother Oaks Trail 450 Comment
  UC673613  Micropus amphibolus Herbert L. Mason 1934-4-28 8081 Sonoma four mi w Healdsburg (head of Dohrman Creek); Jensen's Ranch Comment
  UC581112  Micropus californicus var. californicus H. L. Mason 1934-4-28 8077 Sonoma head Dohrmann Creek; Jensen's Ranch Comment
  JEPS85522  Microseris laciniata Charles F. Quibell 1990-5-20 2019 Sonoma Hunter Lane, northeast of Rohnert Park, 0.2 mi west of junction with Petaluma Hill Road. Comment
  CAS-BOT-BC322707  Microseris laciniata John Thomas Howell 1937-6-6 13013 Sonoma Sebastapol Comment
  CAS-BOT-BC322708  Microseris laciniata John Thomas Howell 1937-7-4 13081 Sonoma 4 miles west of Santa Rosa Comment
  JEPS13229  Microseris laciniata subsp. laciniata F. T. Bioletti 1893-6-10 Sonoma near Kenwood; Los Guilicos Valley Comment
  UC682111  Microseris laciniata subsp. laciniata G. L. Stebbins Jr. with A. A. Beetle 1942-6-4 3287 Sonoma on State Highway No. 12 to Sebastopol 4.1 mi w Santa Rosa (e of corner of Wright Road) Comment
  CAS-BOT-BC322752  Microseris paludosa Alice Eastwood; John Thomas Howell 1936-5-19 2511 Sonoma 2 miles north of Windsor Comment
  SDSU4773  Microseris paludosa D. F. Howe 1963-7-3 3592 Sonoma 20 miles north of junction with #12 on #1. Comment
  UCD118901  Microsteris gracilis Frederica Bowcutt 1994-5-21 1833 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles NW of Napa, 1.5 air miles NE of Kenwood. Along the Hillside Trail 1/2 mile. 396 Comment
  CAS-BOT-BC320519  Mimulus Peter Rubtzoff 1974-5-26 7484 Sonoma Vernal pool area on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  CAS-BOT-BC312698  Mimulus Peter Rubtzoff 1964-7-29 5442 Sonoma Brooks Gulch Marsh. Comment
  JEPS77266  Mimulus arvensis Robert M. Lloyd 1963-4-24 2403 Sonoma 18.3 mi e State Highway 12 (on road to Oakdale) 243 Comment
  UC444799  Mimulus cardinalis Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  UCD158714  Mimulus cardinalis Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 1.5 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. Elevation estimated by label maker. 822 Comment
  POM5080  Mimulus cardinalis Michener, Bioletti 1893-06 s.n. Sonoma Adobe Canyon Comment
  JEPS3004  Mimulus congdonii Milo S. Baker 1927-3-11 2015 a Sonoma 4-5 mi e Santa Rosa (above road up canyon); Los Alamos Canyon (Santa Rosa Creek Canyon) Comment
  JEPS10500  Mimulus grandis Docia Patchett 1918-5-26 Sonoma Black Point Comment
  UC1041002  Mimulus grandis J. W. Congdon 1880-3 Sonoma Petaluma Comment
  RSA54059  Mimulus guttatus J. T. Howell 1948-4-18 24213 Sonoma Hills east of Agua Caliente. Comment
  OBI47583  Mimulus guttatus L. F. LaPre 1986-6-3 s.n. Sonoma Dorr Place, 4 mi up a privated rd from Mannings flats in Austin Crk State Recreation Area, 6 mi N of Cazadero on upper Austin Crk. Cazadero Quad 207 Comment
  POM5021  Mimulus guttatus C. F. Baker 1899-05 s.n. Sonoma Stewarts Canon, near Falls. Comment
  RSA434668  Mimulus guttatus Francis W. Pennell, H. L. Mason 1940-5-21 25483 Sonoma Route 28, Kellogg. 183 Comment
  UC886246  Mimulus kelloggii Alice Eastwood 1915-6-5 Sonoma Petrified Forest Comment
  UC1374916  Mimulus microphyllus Noel H. Holmgren, Liew Fah Seong 1969-6-23 3606 Sonoma 7.2 mi n Marin County line (Calif. 1) Comment
  UC124418  Mimulus nasutus T. S. Brandegee May 1890 Sonoma Mt. St. Helena Comment
  UC1239072  Mimulus pilosus Freed W. Hoffman 1946-8-17 790 Sonoma near Korbel; North Coast Ranges, Russian River Comment
  UC26911  Mimulus pilosus Alice King Sept., 1896 Sonoma Healdsburg Comment
  JEPS86356  Mimulus tricolor Jack and Betty Guggolz 1988-5-10 929 Sonoma on e side Old Redwood Hwy. (just n of its intersection with Starr Road, Grill property) Comment
  UCD84291  Mimulus tricolor Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  JEPS117080  Mimulus tricolor Peter Warner 2010-5-6 138 Sonoma Annadel State Park, in upland vernal pool ~250m N of Canyon Trail, ~220 m W of Spring Creek, just S of old rock wall Comment
  CDA11327  Minuartia californica G. F. Hrusa 1995-4-2 12037 Sonoma North Coast Biodiversity Arena; Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  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
  UC1299494  Minuartia douglasii Freed W. Hoffman 1947-6-4 531 Sonoma headwaters of East Austin Creek North Coast Ranges Comment
  UCD136293  Minuartia douglasii M. Rei Scampavia Evangelista 2012-5-4 3 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, travel down Pepperwood Road towards the Visitor Center. Take a left at the sign for the Betchel House. Follow signs on dirt roads that direct towards Three Tree Hill. Park at the top of Three Tree Hill, then take a bearing of 280 degrees for 260 meters. 408 Comment
  UCD159722  Monardella odoratissima subsp. pallida James A. Neilson Jr.; Teresa A. Sholars 1975-3-27 3290 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, east Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  JEPS62415  Monardella purpurea R. F. Hoover 1938-6-14 3609 Sonoma 3 mi west Graton on road to Occidental Comment
  UCD151083  Monardella sheltonii James A. Neilson Jr. 1974-6-1 2770 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 1/2 mi. west of Whispering Pines, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 1127 Comment
  CAS-BOT-BC318600  Monardella villosa subsp. subserrata J. W. Congdon 1880-6-20 47 Sonoma Petaluma Comment
  SEINET7042573  Monardella villosa subsp. villosa A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  UC1995308  Monardella viridis Milo S. Baker 1934-6-20 7654 Sonoma 2 1/2 mi ne Glen Ellen (Youngman Ranch) Comment
  JEPS83653  Monardella viridis subsp. viridis R. Raiche 1987-7-5 70380 Sonoma N of Cazadero, The Cedars, Big Austin Creek drainage, between Gravelly Springs and Red Slide Creek. 304 Comment
  CAS-BOT-BC166777  Montia Peter Rubtzoff 1967-5-21 5841 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  CAS-BOT-BC445003  Montia fontana Peter Rubtzoff 1966-4-30 5685 Sonoma North side of Hwy 116 0.5 mile northwest of Stony Point Road crossing. Comment
  UC572663  Myosotis discolor G. Thomas Robbins 1937-5-23 198 Sonoma Pitkin Marsh Vine Hill Region, Pitkin Marsh Comment
  UCD119515  Myosotis discolor Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1795 Sonoma About 40 air miles N of San Francisco; ~11 air miles E of Santa Rosa; ~18 air miles NW of Napa; ~1.5 air miles NE of Kenwood. In main campground ~150 yards S of Sonoma Creek; 1/4 mile NW of confluence w/Rattlesnake Creek at the toe of Sugarloaf Ridge. 350 Comment
  UCR198114  Myosotis latifolia Allen Hahus 1978-4-22 17 Sonoma North Coast Range, 0.6 mi north of Hwy 12 on Jonive Road [Sebastapol] 152 Comment
  CAS-BOT-BC257697  Myosurus Peter Rubtzoff 1970-5-30 6245 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC101791  Myrica californica Peter Rubtzoff 1957-4-28 3290 Sonoma Duncans Mills Marsh Comment
  UC1011108  Myrica californica Milo S. Baker 1941-8-4 8594 Sonoma Richardson's Ranch near cross hwy. to Healdsburg (e. of Stewart's Point) 243 Comment
  RSA94652  Myrica californica Peter Rubtzoff 1952-3-23 876 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the upper marsh. Comment
  CAS-BOT-BC260074  Nassella lepida G. DeNevers 1981-5-9 1106 A Sonoma Pepperwood Ranch, S of Redwood Canyon Comment
  UC1146589  Nassella lepida Freed W. Hoffman 1942-5-11 2267 Sonoma Headwaters Gualala River (The Roughs) North Coast Ranges Comment
  POM207022  Nassella pulchra A. A. Heller 1902-4-23 5350 Sonoma Near Sonoma. Comment
  RSA126806  Nassella pulchra H. S. Yates 1934-4-21 3832 Sonoma 2 miles north of County Farm. 244 Comment
  SEINET7067245  Nassella pulchra A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  UCD87535  Nassella pulchra Mary M. Hektner; Sue Dakuzaku 1974-6-4 22 a Sonoma Unit 31 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC344990  Nasturtium officinale Peter Rubtzoff 1954-6-6 1458 Sonoma Guerneville Marsh Comment
  OBI36026  Navarretia heterodoxa John C. Roos 1950-7-22 4877 Sonoma 2 miles east of Duncan Mills 61 Comment
  UCD48317  Navarretia leucocephala subsp. bakeri Herbert L. Mason 1934-4-28 8094 Sonoma In fields; highway between Healdsburg and Santa Rosa, Sonoma County, California. Comment
  JEPS70380  Navarretia leucocephala subsp. plieantha Joseph Andorfer Ewan 1935-5-13 9265 Sonoma near Wright School (Sebastopol road) Comment
  RSA468372  Navarretia squarrosa E. A. Purer 1932-7-21 16861 Sonoma Bodega Bay. Comment
  UC582809  Navarretia squarrosa P. A. Munz 1936-8-7 14308 Sonoma 6 mi n Bodega Comment
  HSC17152  Navarretia viscidula H. K. Sharsmith 1952-7-6 4178 Sonoma Stewart's Point Rd. 12.2 mi. W of Skagg's Springs 579 Comment
  UC1042316  Navarretia viscidula John Thomas Howell 1947-6-26 23318 Sonoma Cunningham Marsh Comment
  UC606893  Nemophila heterophylla L. Constance 1938-4-24 2151 Sonoma 2 mi ne Bodega (Salmon Creek); , ne of Bodega 91 Comment
  CDA40366  Nemophila heterophylla J. C. Violetti 1968-5-22 s.n. Sonoma 2939 Mayette Ave., Santa Rosa. 0 Comment
  POM65264  Nemophila heterophylla A. A. Heller 1903-4-24 6619 Sonoma Woods near Cazadero. Comment
  CHSC26441  Nemophila menziesii var. atomaria P. Kunst 1977-4-11 20 Sonoma Moist open area within Redwood Forest. 195 Comment
  UC75665  Nemophila menziesii var. atomaria Miss Emma Lobenstein 1906-1 Sonoma Valley Ford Comment
  POM65260  Nemophila menziesii var. atomaria A. A. Heller, H. E. Brown 1902-3-29 5181 Sonoma Bodega Bay Comment
  CAS-BOT-BC231193  Nemophila parviflora Roxana S. Ferris; Laura Lorraine 1961-6-14 13529 Sonoma Junction of Bittner Road with Joy Road between Occidental and Bodega Comment
  UCR248360  Nicotiana acuminata var. multiflora Peter Rubtzoff 1986-9-29 9754 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  UC70571  Nicotiana quadrivalvis W. A. Setchell 1905-8-13 Sonoma banks of Russian River (Bohemia); Bohemia Comment
  UCD110190  Notholithocarpus densiflorus A. T. Leiser 1968-1-16 s.n. Sonoma Sea Ranch, N. end of ridge. 91 Comment
  CAS-BOT-BC140454  Oemleria cerasiformis D. E. Breedlove 1976-3-27 39447 Sonoma Along Dry Creek, ca. 1 mile past Warm Springs Dam Comment
  UCD127753  Oenanthe sarmentosa Terri Williamson 1990-5-20 47 Sonoma Bayflat Rd., Bodega Bay. 3 Comment
  CAS-BOT-BC499695  Orobanche californica subsp. californica Cecilia Zanelli 1925-9-1 s.n. Sonoma Plantation Comment
  JEPS67142  Orobanche californica subsp. californica Dorothy King Young 1971-10-15 Sonoma Alder Creek Beach. Comment
  CAS-BOT-BC368012  Orobanche californica subsp. jepsonii Greg de Nevers 1989-12-16 9123 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Top of High Hill. 400 Comment
  RSA0069019  Orobanche californica subsp. jepsonii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  SD114105  Orobanche fasciculata Darley F. Howe 1963-7-2 3580 Sonoma 4.2 miles north of junction with #12 on #1. Comment
  SD56755  Orobanche fasciculata Darley F. Howe 1963-7-2 Sonoma 4.2 miles north of junction with #12 on #1. Comment
  CAS-BOT-BC502961  Orobanche vallicola Wade Sturgeon 1928-7-16 s.n. Sonoma Sebastopol Comment
  POM209739  Orthocarpus densiflorus H. E. Parks, Susan T. Parks 1930-5-7 632 Sonoma North end of Knight's Valley. 107 Comment
  SEINET269411 Image available Orthocarpus erianthus Richard J. Shaw 1963-6-10 1280 Sonoma Highway 1 ca. 2 miles north of Bodega Bay across the street from Arch Rock Beach. Comment
  RSA177981  Orthocarpus faucibarbatus Robert F. Thorne 1965-4-19 34308 Sonoma Guerneville Hwy, 1 mile E of Laguna Road; ca 4 miles W of Santa Rosa. 46 Comment
  RSA239768  Orthocarpus faucibarbatus var. albidus Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1102 Sonoma Fort Ross State Park. Comment
  RSA144398  Orthocarpus lithospermoides Roxana S. Ferris, Laura Lorraine 1961-6-14 13549 Sonoma Junction of Occidental Road with Facendini Lane Comment
  POM15356  Orthocarpus purpurascens A. A. Heller, H. E. Brown 1902-4-17 5318 Sonoma Hills at Santa Rosa Comment
  UC1295818  Osmorhiza berteroi unknown 1892-2 Sonoma Petrified Forest Comment
  UCD127445  Osmorhiza berteroi Botany 102 students 1993-4-24 83 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 NW of Napa. Along Hillside Trail. 426 Comment
  UC1143151  Oxalis albicans subsp. pilosa H. S. Yates 1934-4-21 3825 Sonoma near Duncan Mills; Duncan Mills quad 60 Comment
  UC17201  Oxalis albicans subsp. pilosa Harley P. Chandler 1900-5-25 668 Sonoma Bodega Comment
  SEINET3347656 Image available Oxalis oregana Martha Meagher 1947-3-23 93 Sonoma Along county road 1/2 mile W of Freezeout Creek across Russian River from Duncan's Mills Comment
  UC971947  Oxalis oregana Martha Meagher 1947-3-23 93 Sonoma 1/2 mi w Freezout (across Russion River from Duncan's Mills) Comment
  CDA34796  Oxalis pes-caprae Peter Warner 2010-3-29 123 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  UCD160299  Packera eurycephala James A. Neilson Jr. 1975-5-17 3192 Sonoma West of State Highway 29, Robert Louis Stevenson State Park, 2/3 of the way to summit of Mt. St. Helena along road. (Exact location unknown. Elevation and coordinates estimated by label maker.) 1165 Comment
  CAS-BOT-BC227645  Panicum Peter Rubtzoff 1978-9-10 9263 Sonoma Russian River at Del Rio Beach, ca. 2.5 mi. east of Healdsburg on S. Fitch Mountain Road. Comment
  CAS-BOT-BC254465  Panicum Peter Rubtzoff 1986-9-28 9749 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville Comment
  RSA784570  Panicum Peter Rubtzoff 1978-5-20 9186 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  UC1131619  Panicum acuminatum var. acuminatum H. S. Yates 1936-5-16 5589 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  UC479421  Panicum acuminatum var. acuminatum Marcus E. Jones, A. M. 1931-7-5 29210 Sonoma The Geysers Comment
  UCD88406  Panicum acuminatum var. fasciculatum Beecher Crampton 1957-7-22 4386 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
  UCD32826  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 d Sonoma North East part of county. The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). 493 Comment
  UCD89123  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 a. Sonoma Northeast Sonoma County: 'The Geysers'. Comment
  CAS-BOT-BC253824  Panicum dichotomiflorum Greg de Nevers 1996-9-2 10872 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road, at base of Al Cuneo's driveway 487 Comment
  CAS-BOT-BC253860  Panicum miliaceum Mary P. Wells 1984-7-7 361 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC253861  Panicum miliaceum P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar ranch Comment
  UCD18203  Parentucellia latifolia Joe Ditomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab, near entrance to research housing facility. Comment
  SEINET6794036 Image available Parentucellia viscosa Sally Walker 1983-1 Sonoma Joy Rd. - near Bodega Hwy Comment
  UCSB31794  Parentucellia viscosa Townsend, J. 1977-5-30 Sonoma South side calif. state 1166, 2 miles south of Forestville 365 Comment
  CAS-BOT-BC175546  Parnassia palustris A. T. Graff 1920-10-17 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC154990  Paspalum distichum Peter Rubtzoff 1965-8-16 5607 Sonoma Russina River margin at Forest Hills (5.5 miles E of Guerneville). Comment
  HSC100871  Paspalum distichum Peter Warner 2011-8-18 233 Sonoma Pitkin Marsh, ~1.5 mi. SE of Forestville, lower marsh, in channel, ~50 m S of N edge of parcel. 42 Comment
  CAS-BOT-BC202873  Paxistima myrsinites M. S. Baker 1934-4-28 s.n. Sonoma Jensen Ranch, Dry Creek Valley, n. of Healdsburg Comment
  UC1238005  Pedicularis densiflora John H. Weiler, D. Kaplan 1961-3-27 6167 Sonoma 0.3 mi e of junction with Highway 12 (along Trinity Road) Comment
  CDA17203  Pellaea mucronata G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16202 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  UCD151085  Pellaea mucronata James A. Neilson Jr. 1974-6-1 2769 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, ca. 3 1/2 mi. west of Whispering Pines, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UCD158871  Pellaea mucronata James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2913 Sonoma Mayacmas Mountains; unnamed creek east of Truit Creek, ca 2 miles west of The Geysers. (Elevation estimated by label maker using Google Earth.) 457 Comment
  SEINET10732556  Peniocereus greggii var. transmontanus George Thurber 1851-1 Sonoma Comment
  JEPS78831  Penstemon heterophyllus var. heterophyllus Edward Lee 1936-6-7 2199 Sonoma on the fire trail near Highpoint (Bohemian Grove); , near Highpoint Comment
  UC1329520  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-9-16 5883 Sonoma Upper Marsh Pitkin Marsh (southern part, near Forestville) Comment
  UC1518541  Perideridia gairdneri subsp. gairdneri Betty Lovell 1984-7-22 696 Sonoma 1000 ft ne Hwy 12 junc. with Frey Rd. (w of creek); Kenwood quad. Comment
  UCD127636  Perideridia kelloggii Frederica Bowcutt 1997-7-19 2192 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.75 air mile S of Red Mountain, 0.5 air miles NNW of confluence of the Malm Fork, 1.0 air miles WSW of Brushy Peaks. 457 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-BC413650  Persicaria amphibia Peter Rubtzoff 1956-9-15 2912 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC413636  Persicaria amphibia John Thomas Howell 1932-9-18 10769 Sonoma Bed of slough draining Kenwood Marsh Comment
  CAS-BOT-BC413639  Persicaria amphibia Peter Rubtzoff 1971-6-25 6556 Sonoma Off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing Comment
  CAS-BOT-BC413645  Persicaria amphibia Peter Rubtzoff 1966-8-26 5811 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC413651  Persicaria amphibia Peter Rubtzoff 1971-9-3 6701 Sonoma Spring Creek Reservoir area Comment
  CAS-BOT-BC413664  Persicaria amphibia Volney Rattan 1877-6-4 s.n. Sonoma Guerneville Comment
  UCD99058  Persicaria hydropiper Frederica Bowcutt 1997-7-18 2174 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  CAS-BOT-BC418921  Persicaria hydropiperoides Peter Rubtzoff 1956-9-15 2907 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC418920  Persicaria hydropiperoides Peter Rubtzoff 1961-7-22 4665 Sonoma Bennett Mtn. Lake Comment
  SD99429  Persicaria hydropiperoides Peter Rubtzoff 1954-8-10 1675 Sonoma Bodega Head Marsh, open marshy ground Comment
  CAS-BOT-BC419117  Persicaria lapathifolia Peter Rubtzoff 1966-9-25 5822 Sonoma Laguna de Santa Rosa east of Graton betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC258013  Persicaria pensylvanica Peter Rubtzoff 1973-9-9 7325 Sonoma Kenwood Marsh. Comment
  UCD98399  Petrorhagia nanteuilii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 67 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road. 259 Comment
  CDA40384  Phacelia distans T. C. Fuller 1958-5-24 4020 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  POM298993  Phacelia distans J. T. Howell 1930-6-8 5274 Sonoma North end of Bodega Bay. Comment
  JEPS2011  Phacelia distans Willis L. Jepson 1893-4-25 21016 Sonoma mts. w Mt. St. Helena (trail to Caux's Cabin); Napa River Basin Comment
  UC24390  Phacelia egena F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  CHSC52635  Phacelia imbricata James Jokerst 1985-5-29 2386 Sonoma Near Cobb Mountain. 1126 Comment
  UCD160135  Phacelia imbricata James A. Neilson Jr. 1973-6-7 2972 Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 365 Comment
  CAS-BOT-BC258847  Phalaris angusta Peter Rubtzoff 1962-6-19 4921 Sonoma Sonoma County Marshes. Occidental Marsh Comment
  UCR248732  Phalaris aquatica Peter Rubtzoff 1968-6-25 5913 Sonoma Lichau Marsh [5 miles northeast of Penngrove on Lichau Road] 220 Comment
  CAS-BOT-BC265842  Phalaris arundinacea Peter Rubtzoff 1958-7-26 3803 Sonoma Laguna de Santa Rosa east of Sebastapol, Sonoma County Marshes Comment
  RSA129151  Phalaris californica H. S. Yates 1936-5-16 5621 Sonoma Near Green Valley school. 91 Comment
  UC1011004  Phalaris paradoxa Virginia Bufford 1936-5-20 341 Sonoma Kellogg Mark West Rd 3 mi from Mark West; 3 mi from Mark West Comment
  RSA129159  Phalaris paradoxa H. S. Yates 1937-6-5 6572 Sonoma 5 mi W. of Sonoma 91 Comment
  CAS-BOT-BC260877  Phleum pratense Peter Rubtzoff 1951-7-7 382 Sonoma Eastern branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC260878  Phleum pratense Peter Rubtzoff 1958-7-5 3733 Sonoma Atascadero Creek Marsh Comment
  JEPS128214  Phlox speciosa Roger Raiche 2002-5-26 009 .02 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET12330326  Phlox speciosa Unknown 1985-1 50169 Sonoma W of Healdburg, Dry Crk area, ridge W side of Dry Creek Valley, N of Dorman Canyon on Bradford Mt 244 Comment
  UC327  Phyllospadix scouleri Milo S. Baker 1899-6-28 Sonoma near mouth of Russian River Comment
  CAS-BOT-BC140626  Physocarpus capitatus Greg de Nevers 1987-5-11 8179 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC140629  Physocarpus capitatus D. E. Breedlove 1980-6-27 44773 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC140630  Physocarpus capitatus Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  RSA534576  Physocarpus capitatus Peter Rubtzoff 1957-4-28 3287 Sonoma Lower Salmon Creek marsh. Thicket on hillslope at the edge of the marsh. Comment
  CAS-BOT-BC202280  Pickeringia montana var. montana Mary P. Wells 1983-8-3 s.n. Sonoma Pygmy Forest, Timber Preserve of Oceanic of California, inc., The Sea Ranch Comment
  CAS-BOT-BC202281  Pickeringia montana var. montana A. A. Heller 1902-6-23 5740 Sonoma Petrified Forest Comment
  RSA796378  Picris echioides Peter Rubtzoff 1955-8-14 2050 Sonoma Forestville Marsh. Comment
  SEINET11738931  Pinus attenuata W. Knight, Knight, I. 1981-1 3981 Sonoma 5.2 mi up Cavedale road from jct of state route #12 Comment
  CAS-BOT-BC72884  Pinus ponderosa Walter Knight; Irja Knight 1963-12-27 453 Sonoma Pine Flat road, Circle 8 Ranch Comment
  SEINET3874482 Image available Pinus radiata Ralph R. Wilson 1939-7-24 437 Sonoma Near Valley Ford.; 0 Comment
  UCSC008262  Piperia elegans Ron Coleman 1989-6-24 1281 -P, 1282-P Sonoma Malm Flat Trail, Sugarloaf Ridge State Park Comment
  UCSC008352  Piperia elegans subsp. elegans Randall Morgan 1989-1-1 1319 -P, 1320-P Sonoma Malm Flat Trail, Sugarloaf Ridge State Park Comment
  JEPS78945  Pityopus californicus Edward Lee 1936-6-7 2203 Sonoma South ridge, fire trail, Bohemian Trail Comment
  CAS-BOT-BC154157  Plagiobothrys Peter Rubtzoff 1972-5-14 6741 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC166944  Plagiobothrys Peter Rubtzoff 1969-5-3 6018 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC166957  Plagiobothrys Peter Rubtzoff 1969-5-3 6012 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  RSA785159  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UCD166130  Plagiobothrys Peter Rubtzoff 1969-5-3 6014 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC154144  Plagiobothrys Peter Rubtzoff 1973-7-24 7198 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC228040  Plagiobothrys Rimo Bacigalupi 1926-5-2 s.n. Sonoma Cazadero Comment
  UC730024  Plagiobothrys Leo F. Koch 1940-4-24 846 Sonoma just n Warfield Station Comment
  CAS-BOT-BC488330  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-14 s.n. Sonoma 2.3 km SE of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1 22 Comment
  UCD120776  Plagiobothrys bracteatus G. F. Hrusa; R. Gross 1996-6-30 13066 Sonoma Permanent spring-derived pool at W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. 700 Comment
  UCD150140  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1. 43 Comment
  UCR261634  Plagiobothrys bracteatus Ann Howald 2003-5-15 2336 Sonoma Inner North Coast Ranges, Sonoma Mountains, south end, upper east slope, c. 0.1 mile south of Rodgers Creek 205 Comment
  UCR118791  Plagiobothrys greenei Beecher Crampton 1955-4-5 2413 Sonoma Santa Rosa Area, 2 miles southwest of Windsor 91 Comment
  UC881328  Plagiobothrys greenei Milo S. Baker 1940-4-24 9549 Sonoma s Warfield Comment
  CDA11324  Plagiobothrys nothofulvus G. F. Hrusa, R. Gross 1995-4-1 12033 Sonoma North Coast Biodiversity Arena; Foote Ranch at NE corner of Hwy. 128 and Ida Clayton Rd. Knights Valley. Comment
  POM118682  Plagiobothrys nothofulvus Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  POM63825  Plagiobothrys nothofulvus A. A. Heller, H. E. Brown 1902-3-26 s.n. Sonoma Santa Rosa Creek. Comment
  UC730020  Plantago erecta Leo F. Koch 1940-4-24 847 Sonoma just n Warfield Station Comment
  CAS-BOT-BC258382  Plantago major Peter Rubtzoff 1973-10-3 7331 Sonoma 0.75 miles northwest of Freestone. Comment
  CDA6613  Plantago major G. A. Benincasa 1980-8-11 Sonoma Sebastopol. 0 Comment
  RSA30698  Plantago maritima E. K. Balls, Percy C. Everett 1953-10-9 18601 Sonoma Sonoma Coast State Park, 0.5 mi NW of Salmon Creek, Hwy 1 between Bodega Bay and Jenner. 15 Comment
  UCR280190  Plantago subnuda Peter Rubtzoff 1958-8-23 3907 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  UC565373  Platanthera leucostachys G. Thomas Robbins 1937-6-5 217 Sonoma about ten mi w Santa Rosa; Vine Hill Region, Pitkin Ranch Comment
  UCSB50225  Platystemon californicus Gray, John 1976-5-1 Sonoma Bluffs above Duncan's Landing State Beach; T6N R11W 15 Comment
  POM192707  Plectritis ciliosa subsp. ciliosa M. S. Baker 1898-3-26 691 Sonoma Hills near McDonalds Reservoir. Comment
  SD71039  Pleuropogon californicus David L. Morgan 1961-4-25 Sonoma Low wet field near Stemple Creek, 3 miles southwest of Cotati Comment
  UCD37559  Pleuropogon californicus Beecher Crampton 1955-4-5 2403 Sonoma 1.3 miles west of Fulton, along Woolsey Road. Comment
  CAS-BOT-BC260973  Pleuropogon californicus var. californicus Peter Rubtzoff 1958-5-10 3648 Sonoma Laguna de Santa Rosa north of Cunningham near Todd Road Comment
  CAS-BOT-BC260983  Pleuropogon californicus var. californicus J. W. Congdon 1880-4-19 s.n. Sonoma Petaluma Comment
  RSA102307  Pleuropogon californicus var. californicus H. N. Bolander 41 Sonoma Santa Rosa. Comment
  RSA337035  Pleuropogon californicus var. californicus Paul But, Raymond Auyeung 1975-5-17 P 40 Sonoma On Llano Road, 1/4 mile from Highway 12, 2 miles northeast of Sebastopol. Comment
  UCD90148  Pleuropogon californicus var. californicus Beecher Crampton 1965-5-13 7343 Sonoma Lytton, 4 miles south of Geyserville. Along the railroad. Comment
  UCD90180  Pleuropogon californicus var. californicus R. Tofsrud 1941-3-1 s.n. Sonoma somewhere just south of Santa Rosa. Comment
  UCD90199  Pleuropogon californicus var. californicus L. Whitney 1935-3-23 s.n. Sonoma Santa Rosa, Prune Orchard. Comment
  UCD90203  Pleuropogon californicus var. californicus A. A. Beetle 1946-5-6 4263 Sonoma 1/2 mile south of Cotati. Comment
  UCD92180  Poa Beecher Crampton 1957-7-11 4294 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD92203  Poa Collector Unknown 1941-4-1 379 Sonoma near Wright School. Comment
  UCR275260  Poa Peter Rubtzoff 1976-5-30 8572 Sonoma North Coast Range, Kenwood Marsh 120 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
  UCD90689  Poa bulbosa David L. Morgan 1961-3-23 s.n. Sonoma Cotati. Comment
  UCD90690  Poa bulbosa Gerry North 1993-4 40 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 365 Comment
  CAS-BOT-BC254552  Poa douglasii A. A. Heller 1902-3-29 5187 Sonoma At Bodega Bay Comment
  UCD91043  Poa douglasii Freed W. Hoffman 1944-7-2 1983 Sonoma near entrance to Bodega Bay. Comment
  CAS-BOT-BC246637  Poa howellii A. A. Heller 1902-3-27 5168 Sonoma Western base of Mt. Hood Comment
  UCD90528  Poa kelloggii P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  JEPS75076  Poa pratensis subsp. pratensis Edward Lee 1934-4-30 754 Sonoma 1 mi w 2 Rock Junction Comment
  JEPS75077  Poa pratensis subsp. pratensis Edward Lee 1934-4-30 754 Sonoma 1 mi w 2 Rock Junction Comment
  CAS-BOT-BC243252  Poa secunda subsp. secunda G. DeNevers 1981-4-25 803 Sonoma Pepperwood Ranch. Along Franz Valley Road below lower Pepperwood entrance Comment
  CAS-BOT-BC244190  Poa trivialis Peter Rubtzoff 1954-6-6 1469 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC244191  Poa trivialis Peter Rubtzoff 1960-6-5 4435 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road Comment
  RSA129473  Poa trivialis H. S. Yates 1937-5-30 6558 Sonoma 1 1/2 miles N of Freestone. 91 Comment
  CAS-BOT-BC244264  Poa unilateralis Catherine Best 1984-5-11 935 Sonoma Above the ocean at Salt Point State Park Comment
  CAS-BOT-BC368003  Poaceae Greg de Nevers 1989-6-8 9079 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC376366  Poaceae Greg de Nevers 1992-6-26 10192 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Creek. 400 Comment
  CDA13130  Pogogyne douglasii G. F. Hrusa, R. Gross 1996-6-3 13065 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
  HSC93551  Pogogyne douglasii G. Fred Hrusa, A. Buckmann 1996-10-5 13586 Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Rd., 2 mi. SW of Calistoga 700 Comment
  UCD125256  Pogogyne douglasii G. F. Hrusa; R. Gross 1996-6-30 13065 Sonoma Permanent spring-derived pool at W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. 700 Comment
  CDA40767  Pogogyne douglasii subsp. minor Peter Rubtzoff 1971-7-9 6600 Sonoma 4.25 miles west of Glen Ellen. 0 Comment
  CDA40764  Pogogyne serpylloides subsp. intermedia Peter Rubtzoff 1963-6-22 5193 Sonoma Ca. 0.5 mile east of Bennett Mtn. Lake. 0 Comment
  JEPS43011  Polygala californica Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  UCD109702  Polygala californica E. Frost 1996-5-26 20 Sonoma Mt. St. Helena, 150 yards in along hiking trail. 609 Comment
  POM138562  Polygala californica Milo S. Baker 1898-5-8 601 Sonoma Glen Ellen Comment
  RSA70709  Polygala californica L. S. Rose 1951-5-17 51004 Sonoma Hills east of Agua Caliente 152 Comment
  UCD160122  Polygala cornuta James A. Neilson Jr. 1973-6-3 2993 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC157669  Polygonaceae Peter Rubtzoff 1964-5-20 5319 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC376404  Polygonum Greg de Nevers 1996-9-2 10871 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Kitchen Creek below Silva's. 400 Comment
  UCD166307  Polygonum Peter Rubtzoff 1966-8-25 5810 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  CAS-BOT-BC164042  Polygonum arenastrum Peter Rubtzoff 1954-8-4 1650 Sonoma Guerneville Marsh Comment
  RSA234469  Polygonum hydropiper Peter Rubtzoff 1966-9-25 5821 Sonoma Laguna de Santa Rosa E of Graton, betw. Occidental and Guerneville Roads. Comment
  RSA94326  Polygonum hydropiperoides Peter Rubtzoff 1951-9-2 711 Sonoma N of the Lower marsh, in the creek Comment
  RSA472717  Polygonum paronychia E. A. Purer 1932-7-24 15967 Sonoma Bodega Bay. Comment
  UCD158838  Polypodium californicum James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2915 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  SEINET3873633  Polypodium calirhiza Kaye H. Thorne 1984-11-22 3665 Sonoma Sea Ranch, Black Point near Lodge.; 0 Comment
  CDA10946  Polypodium glycyrrhiza G. F. Hrusa, G. L. Stebbins 1994-3-28 11704 Sonoma North Coast Biodiversity Arena; Half-way to summit of grade immediately NW of Cazadero. 0 Comment
  UC1784201  Polypodium scouleri Ethel Crum 1930-1 748 Sonoma Petaluma Comment
  UC42912  Polypodium scouleri F. T. Bioletti 1892-7-6 Sonoma Gualala River Comment
  CAS-BOT-BC233197  Polypogon interruptus Peter Rubtzoff 1951-6-16 220 Sonoma Pitkin Marsh, near Forestville. N half of Lower Marsh Comment
  CAS-BOT-BC233198  Polypogon interruptus Walter Knight; Irja Knight 1968-1-1 2269 Sonoma Geysers Resort, along geyser trail Comment
  UC203502  Polypogon interruptus unknown 1885-5-9 Sonoma Sonoma Creek Comment
  UC971701  Polypogon interruptus Leo Koch 1940-6-5 1012 Sonoma along Highway 101, three mi n Santa Rosa (near pond in hills behind Fountaingrove Vineyard); hills behind Fountaingrove Vineyard Comment
  UCD51661  Polypogon interruptus Leo Koch 1940-6-5 1012 Sonoma behind Fountaingrove Vineyard, 3 miles north of Santa Rosa along Highway 101. Comment
  CAS-BOT-BC233227  Polypogon maritimus Peter Rubtzoff 1962-9-16 5084 Sonoma Russian River bottom, Vacation Beach, 2 miles below Guerneville Comment
  CAS-BOT-BC233228  Polypogon maritimus Peter Rubtzoff 1969-8-27 6162 Sonoma Russian River bottom at Forest Hills, 5.5 miles E of Guerneville Comment
  CAS-BOT-BC237404  Polypogon monspeliensis Peter Rubtzoff 1951-8-19 642 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh Comment
  UCD91292  Polypogon monspeliensis Beecher Crampton 1957-7-11 4292 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  RSA94461  Polypogon monspeliensis Peter Rubtzoff 1951-8-19 642 Sonoma Pitkin Marsh, near Forestville; Southern half of Lower Marsh. Comment
  JEPS128379  Polystichum californicum Roger Raiche 2000-3-26 005 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC2031961  Polystichum californicum Wendy Born July 2012 Sonoma Armstrong Redwoods State Park, along the road to the Pack Station about 3/4 the way up (immediately across road from large downed tree, on right side of road) 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
  CAS-BOT-BC72169  Polystichum californicum Walter Knight; Irja Knight; Dr. Stephen W. Edwards 1986-8-17 5510 Sonoma 4.85 miles from end of Mill Creek Road Comment
  UC1784892  Polystichum dudleyi Wendy Born Jul 2003 Sonoma Armstrong Redwoods State Park 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
  UC1481826  Polystichum imbricans subsp. imbricans Milo S. Baker 1898-6-11 656 Sonoma Little Sulphur Creek Comment
  UCD136560  Polystichum munitum Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 025 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1, near old 'railroad' bridge. 30 Comment
  CAS-BOT-BC102354  Populus alba Peter Rubtzoff 1972-9-3 6882 Sonoma Forestville Marsh Comment
  RSA262241  Populus alba Peter Rubtzoff 1972-8-25 6854 Sonoma San Antonio Creek on E side of Hwy 101 crossing. Comment
  CAS-BOT-BC274037  Potamogeton crispus Peter Rubtzoff 1970-10-3 6407 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CDA14199  Potamogeton nodosus G. F. Hrusa, R. Gross 1997-8-31 14092 Sonoma North Coast Biodiversity Arena; Common around edges of pond on Foote Ranch, NW base of Mt. St. Helena. Immed. NE of int. of Hwy. 128 and Ida Clayton Road. Flowering spikes emersed. 106 Comment
  CDA836  Potamogeton nodosus P. F. Wright 1964-8-17 Sonoma Sherman Finch, Santa Rosa Soil Conservation, Santa Rosa. 0 Comment
  UC903040  Potentilla anserina subsp. pacifica Ethel Crum 1930-6-8 742 Sonoma one mi e Bodega Bay (bottom of gulch); e of Bodega Bay Comment
  UCD113699  Potentilla anserina subsp. pacifica Terri Williamson 1990-5-20 49 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  CAS-BOT-BC141950  Potentilla anserina subsp. pacifica Peter Rubtzoff 1960-5-18 4386 Sonoma Bodega Head Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141951  Potentilla anserina subsp. pacifica Peter Rubtzoff 1960-5-18 4386 Sonoma Bodega Head Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141650  Potentilla uliginosa John Thomas Howell 1946-8-17 22861 Sonoma Cunningham Marsh Comment
  UCD113975  Poterium sanguisorba Mary M. Hektner 1974-7-17 146 Sonoma Outside Kirkwood House on Pacific Reach Road, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC495537  Prunella vulgaris var. lanceolata Merle Randall 1930-6-8 Sonoma Cazadero Comment
  UC750811  Prunella vulgaris var. lanceolata Charles B. Heiser Jr. 1946-5-19 1737 Sonoma w Santa Rosa (Vine Hill); Vine Hill Comment
  CAS-BOT-BC368037  Prunus subcordata Greg de Nevers 1998-7-6 11298 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Leslie Road 400 Comment
  CAS-BOT-BC356499  Pseudognaphalium beneolens G. DeNevers 1981-7-25 1871 Sonoma Pepperwood Ranch. In Garrison Canyon Comment
  CAS-BOT-BC356927  Pseudognaphalium californicum G. DeNevers 1981-9-5 1828 Sonoma Pepperwood Ranch. N of Pippindale Garden Comment
  CAS-BOT-BC356928  Pseudognaphalium californicum G. DeNevers 1981-7-25 1872 Sonoma Pepperwood Ranch. In Garrison Canyon Comment
  UCD133633  Pseudognaphalium californicum Frederica Bowcutt 1994-6-25 1905 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. Meadow Trail at Gray Pine Trailhead, immediately W of culvert under Meadow Trail. Along down cut channel feeding into Sonoma Creek which is to the W. 408 Comment
  UC176853  Pseudognaphalium stramineum P. B. Kennedy 1912-5-27 Sonoma Bodega Bay Comment
  CAS-BOT-BC80178  Pseudotsuga menziesii Irja Knight; Walter Knight 1964-11-15 795 Sonoma Hood's Peak near Johnson Lake Comment
  CAS-BOT-BC80181  Pseudotsuga menziesii Irja Knight; Walter Knight 1963-9-15 291 Sonoma Los Alamos Rd, Santa Rosa Comment
  UCD37502  Pseudotsuga menziesii var. menziesii Beecher Crampton 1960-10-10 5789 Sonoma 5 miles northwest of Calistoga, Franz Valley, along Highway 128. Comment
  CAS-BOT-BC166787  Psilocarphus Peter Rubtzoff 1971-6-10 6531 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC166710  Psilocarphus Peter Rubtzoff 1959-6-20 4150 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC166788  Psilocarphus Peter Rubtzoff 1974-6-9 7587 Sonoma Upper Green Valley Marsh. Comment
  UCD166213  Psilocarphus Peter Rubtzoff 1970-5-16 6228 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC362074  Psilocarphus tenellus Greg de Nevers 1992-4-28 10119 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  UC1481822  Pteridium aquilinum var. pubescens Mrs. Carlotta C. Hall June 1909 11 a Sonoma near Guerneville (n bank Russian River, Guernewood Park) Comment
  CAS-BOT-BC421373  Pterostegia drymarioides Greg de Nevers 1990-4-19 9666 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. On south slope of Telegraph Hill. 457 Comment
  UC901897  Pteryxia terebinthina var. californica Malcolm Nobs, F. W. Hoffmann, and A. R. Kruckeberg 1950-6-4 672 Sonoma Fred McMurray Ranch 1 mile NW of Lafayette School ca. 5 miles East of Guerneville Comment
  JEPS58840  Pyrola aphylla M. E. and E. Van E. Ferguson Jun 8-10 1919 Sonoma Near Gurneville Comment
  UC1042430  Pyrus communis Peter Rubtzoff 1952-10-26 1329 Sonoma near Forestville (Pitkin Marsh, w branch of Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC36523  Quercus James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  UCD45329  Quercus X chasei John Thomas Howell 1946-8-17 22859 Sonoma Lloyd Voit Ranch west of Cummingham, Sonoma County. Comment
  CAS-BOT-BC61637  Quercus agrifolia Peter Rubtzoff 1951-9-15 746 Sonoma Pitkin marsh, near Forestville. Western branch of the Upper Marsh Comment
  POM166598  Quercus agrifolia A. A. Heller, H. E. Brown 1902-4-15 s.n. Sonoma Santa Rosa Creek Comment
  UCD46181  Quercus dumosa J. M. Tucker 1977-6-16 4395 Sonoma On Shurtleff Ranch off Chalk Hill Road to the east, ca. 4 miles (air-line) northeast of East Windsor (or ca. 10 miles, airline, north-northwest of Santa Rosa), Sonoma County, California. 121 Comment
  SEINET12030398  Quercus dumosa W. Knight, Knight, I.; Howell, J. T. 1984-1 5104 Sonoma 2.8 mi up Cavedale Rd from Hwy-12 Comment
  RSA0089560  Quercus garryana Ann Howald 2015-4-1 3329 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage. 318 Comment
  UC1299699  Quercus garryana Freed W. Hoffman 1947-4-3 670 Sonoma Wild Hog Ridge North Coast Ranges Comment
  UCD55066  Quercus garryana Ellen Dean; Tammie Beyerl 2006-4-28 3010 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  UCD46086  Quercus garryana var. garryana J. M. Tucker 1950-11-19 2016 Sonoma 9.8 miles south of Healdsburg, beside road to Rio Nido, Sonoma County, California. Comment
  UCD46118  Quercus garryana var. garryana Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 74 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail S of Sonoma Creek about 1/8 mile from beginning of trail. 381 Comment
  HSC8257  Quercus kelloggii L. S. Rose 1964-6-27 64058 Sonoma 2 mi N of Sonoma 274 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
  CAS-BOT-BC62804  Quercus lobata Greg de Nevers 1981-9-5 1811 Sonoma Pepperwood Ranch, across fence from Hansel's Corral, south Comment
  CAS-BOT-BC134865  Quercus wislizeni D. E. Breedlove 1980-6-27 44778 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC1135382  Quercus wislizeni E. Armstrong 1934-3-26 908 Sonoma 1 mi w Camp Meeker; Sebastopol Quad. 152 Comment
  CDA31008  Quercus wislizeni var. frutescens D. G. Kelch, Troy McGregor 2010-8-22 10 .347 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  UC1193229  Quercus wislizeni var. frutescens R. H. Neuns 1950-5-5 103 Sonoma 3.5 mi w Mercuryville 731 Comment
  UCR254942  Rafinesquia californica Greg de Nevers 1997-4-16 10944 Sonoma North Coast Range, Moon Mountain Road [NNW of Sonoma] 396 Comment
  CHSC6279  Ranunculus A. K. Reverd 1967-3-19 6 Sonoma On cliff, 6 ft w of highway 1, and 1/4 mi s of Miwok Beach. 10 Comment
  JEPS73359  Ranunculus aquatilis var. subrigidus Edward Lee 1934-4-30 749 Sonoma 1 mi w Two Rock Junction Comment
  SEINET9334866  Ranunculus californicus John Nelson, Wnek, R. 2000-3-7 20939 Sonoma Coleman Beach Comment
  POM268394  Ranunculus californicus Lyman Benson 1935-3-31 6405 Sonoma Hwy 101, N Coast, Russian River. 244 Comment
  SEINET12087446  Ranunculus californicus A. Eastwood, Howell, J. T. 1939-1 s.n. Sonoma Sonoma coast N of Bodega Bay Comment
  UCD14289  Ranunculus californicus L. Coats 1983-5-17 22 Sonoma Sonoma Co.; along Highway 1, 4.3 miles north of Salt Point State Park; 21 Comment
  UCD95956  Ranunculus californicus P. B. Kennedy 1914-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC378694  Ranunculus californicus var. californicus Peter Rubtzoff 1966-5-7 5705 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC378706  Ranunculus californicus var. californicus Peter Rubtzoff 1969-6-14 6072 -E Sonoma vernal pool 6.5 mi northeast of Penngrove, on Lichen Road 426 Comment
  CDA11315  Ranunculus lobbii G. F. Hrusa, A. Buckman, R. Gross 1995-4-1 12030 Sonoma North Coast Biodiversity Arena; Laguna de Santa Rosa. Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. Comment
  HSC82071  Ranunculus muricatus Thomas W. Nelson, Jane P. Nelson 1980-5-3 5123 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  JEPS55143  Ranunculus muricatus W. L. Jepson 1914-4-11 5803 Sonoma Sonoma Valley 35 Comment
  RSA534577  Ranunculus muricatus Peter Rubtzoff 1957-4-28 3292 Sonoma Duncans Mills Marsh Comment
  UCD96226  Ranunculus muricatus Botany 102 Students 1993-5-8 300 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 25 air miles NE of Kenwood, and 18 airmiles NW of Napa. In Adobe Canyon N of Sugarloaf Ridge. Bold Mountain Trail less than 1 air mile S of Red Mountain, N of Sonoma Creek. 350 Comment
  UCD96244  Ranunculus muricatus Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 60 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
  CDA36950  Ranunculus occidentalis 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
  UCD97051  Ranunculus orthorhynchus Mary M. Hektner 1976-4-3 231 Sonoma along ocean headlands above Shell Beach; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC1126138  Ranunculus orthorhynchus var. bloomeri C. M. Belshaw 1936-3-7 1555 Sonoma 1 mi ne Occidental; Sebastopol Quadrangle Comment
  POM202750  Ranunculus orthorhynchus var. bloomeri I. L. Wiggins 1932-3-12 5757 Sonoma roadside ditch, Knight's Valley Comment
  CAS-BOT-BC251225  Ranunculus orthorhynchus var. platyphyllus Peter Rubtzoff 1962-5-11 4827 Sonoma Freestone marsh. Comment
  RSA534706  Ranunculus orthorhynchus var. platyphyllus Peter Rubtzoff 1959-5-31 4084 Sonoma Freestone Marsh Comment
  UCD84283  Ranunculus pusillus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  RSA6213  Rhamnus californica Merle Randall 1930-6-14 s.n. Sonoma Alamere Creek Comment
Read comments
Sep 20 2012
  RSA339385  Rhamnus tomentella subsp. tomentella Roger Raiche 1985-11-29 50900 Sonoma NE end of town of Healdsburg on Reservoir Hill. 122 Comment
  SFV2671  Rhododendron occidentale K. A. Wilson 1961-6-23 1236 Sonoma 2 miles north of Sebastopol on CA-Highway 12. 27 Comment
  UCD117913  Rhododendron occidentale Donna Allen 1977-5-24 s.n. Sonoma 30 miles on Dry Cr. Road to Stewart's Pt. Comment
  UCD117949  Rhododendron occidentale George F. Hrusa 1989-5-8 7008 Sonoma At headwaters of Nathanson Creek directly E of town of Sonoma. 390 Comment
  CAS-BOT-BC200347  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-2 89 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC111885  Rhynchospora californica Peter Rubtzoff 1951-7-1 326 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
  UCD141231  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh. Comment
  RSA94069  Rhynchospora californica J. T. Howell 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  JEPS117111  Rhynchospora globularis Peter Warner 2010-7-29 174 Sonoma Lower Pitkin Marsh, ~ 425 m, N 33 deg. E from Hwy. 116 gate, ~ 100 m, N 40 deg. E from nearest fence corner to west, ~ 20 m E of secondary drainage channel dense w/ Rubus armeniacus. Comment
  UC1026384  Rhynchospora globularis var. globularis John Thomas Howell 1945-8-14 21393 Sonoma Perry Marsh Comment
  UC963928  Rhynchospora globularis var. globularis Milo S. Baker 1947-6-26 11840 Sonoma ca. 1 mi. (air line) s.w. Cunningham Station (Cunningham Marsh); Cunningham Marsh Comment
  UC730046  Ribes californicum Leo F. Koch 1940-4-20 807 Sonoma about 3 mi from Highway 1 (Plantation road) Comment
  RSA0056436  Ribes divaricatum Greg de Nevers 1998-3-20 11219 Sonoma Cresta Ranch, Mark West Creek. Comment
  CAS-BOT-BC169004  Ribes divaricatum var. pubiflorum G. DeNevers 1981-6-6 1461 Sonoma Woodland on N slope of Telegraph Hill, Pepperwood Ranch 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-BC212921  Ribes menziesii John Thomas Howell 1934-3-3 11737 Sonoma 8 miles south of Fort Ross Comment
  UCD151193  Ribes menziesii James A. Neilson Jr. 1974-7-10 s.n. Sonoma Mayacmas Mountains, west of Geyser Rock, along road to PG and E geothermal units 9 and 10, eastern Sonoma County. (Elevation estimated using Google Earth by label maker.) 1036 Comment
  UC75476  Ribes roezlii var. cruentum Milo S. Baker 1899-2-22 755 Sonoma near summit Mt. Hood Comment
  UC75445  Ribes sanguineum var. glutinosum Milo S. Baker 1899-6-26 Sonoma near Russian River (Coast Road) Comment
  CAS-BOT-BC168765  Ribes victoris A. A. Heller 1902-6-26 5773 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UC75438  Ribes victoris var. minus Milo S. Baker June 1899 Sonoma near Mt. Hood (one mile from mouth of Sonoma Canyon); Sonoma Creek Comment
  UC90662  Rigiopappus leptocladus Katharine Brandegee Sonoma Cloverdale Comment
  CAS-BOT-BC362936  Rigiopappus leptocladus James McMurphy 1909-5-29 s.n. Sonoma Near the Geysers Comment
  UC729988  Rorippa Leo F. Koch 1940-4-18 794 Sonoma along Cherry Ridge Road off Occidental Road; along Cherry Ridge Road off Occidental Road Comment
  CAS-BOT-BC488331  Rorippa curvisiliqua Ayzik Solomeshch 2009-5-14 s.n. Sonoma 2.3 km SE of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1 22 Comment
  CDA13134  Rorippa curvisiliqua G. F. Hrusa, R. Gross 1996-6-3 13069 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
  UC10728  Rorippa curvisiliqua H. N. Bolander Apr 1864 3894 Sonoma Mark West Creek Comment
  CAS-BOT-BC74700  Rorippa curvisiliqua Peter Rubtzoff 1958-9-6 s.n. Sonoma Laguna de Santa Rosa north of Cunningham (near Todd Road crossing). Comment
  UCR254883  Rorippa curvisiliqua var. occidentalis Peter Rubtzoff 1974-6-2 7517 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC74847  Rorippa palustris var. palustris Peter Rubtzoff 1964-8-20 5470 Sonoma Near pond 1 mile southeast of Jenner (near junction of Hihgways 1 and 12). Comment
  CAS-BOT-BC74848  Rorippa palustris var. palustris Peter Rubtzoff 1964-8-20 5470 Sonoma Near pond 1 mile southeast of Jenner (near junction of Hihgways 1 and 12). 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-BC152664  Rosa californica Peter Rubtzoff 1953-5-16 1369 Sonoma Vacation Beach, near Guerneville, bank of Russian River Comment
  CAS-BOT-BC152673  Rosa californica L. R. Abrams 1916-7-4 5782 Sonoma Road between Petrified Forest and Mark West Co. Comment
  CAS-BOT-BC146777  Rosa gymnocarpa Dorothy Scherer 1997-5-6 107 B Sonoma Ca. 70' north of Fort Ross Rd, and .6 mi. west of Seaview Rd, Fort Ross State Historic Park 365 Comment
  CAS-BOT-BC146778  Rosa gymnocarpa Peter Rubtzoff 1957-5-4 3315 Sonoma Duncans Mills Marsh area Comment
  UC766411  Rosa gymnocarpa R. F. Hoover 1941-5-14 5076 Sonoma 3 mi s Monte Rio (on road to Camp Meeker) Comment
  UCR218648  Rubus discolor George K. Helmkamp, E. A. Helmkamp 2010-6-4 16213 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
  UCD166346  Rubus laciniatus Peter Rubtzoff 1954-7-28 1591 Sonoma Guerneville Marsh. Northwestern end of marsh. Comment
  UCD113895  Rubus parviflorus T. E. Weier 1942-5-20 s.n. Sonoma Gualala River. Comment
  RSA54149  Rubus parviflorus var. bifarius Alice Eastwood, John T. Howell 1939-6-11 7411 Sonoma Near Triniti P. O. Hood Mtn range. Comment
  UC73080  Rubus spectabilis Milo S. Baker 1898-4-5 Sonoma near Stewarts Point; near Stewarts Point Comment
  CAS-BOT-BC157182  Rubus ursinus Walter Knight; Irja Knight 1964-2-16 810 Sonoma Mill Creek Rd, W. of Healdsburg Comment
  CAS-BOT-BC157172  Rubus ursinus Alice S. M. McKenzie 1981-2-12 15 A Sonoma Calif. State Hwy. 1, marker 44.55 Comment
  UCD17811  Rubus ursinus H. Olmo 8-10 May 1962 62 03 Sonoma California. Sonoma County: just north of Carmet along State Highway 1. Near Highway marker B14.58 and 100 yards up ravine from ocean shore. Comment
  UCD166511  Rumex Peter Rubtzoff 1959-9-12 4262 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC164374  Rumex Peter Rubtzoff 1964-7-29 5449 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC166704  Rumex Peter Rubtzoff 1958-7-19 3756 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD101063  Rumex acetosella Peter Rubtzoff 1951-7-7 366 Sonoma Pitkin Marsh near Forestville. Between the western and the eastern branches of the Upper Marsh. 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
  UCD101051  Rumex acetosella Caitlin Lewis; William Mutch 1993-4-17 10 Sonoma about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile near visitor center. Along Sonoma Creek. 365 Comment
  UCD101116  Rumex crassus Mary M. Hektner; Cathy Hendel 1974-7-25 169 Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD101117  Rumex crassus Mary M. Hektner 1976-8-26 264 Sonoma Walk-on-Beach, Sea Ranch, near Sate Highway 1, Unit 24 Owner's Map. Comment
  CAS-BOT-BC421582  Rumex crassus Peter H. Raven; R. Snow 1958-7-23 13687 Sonoma 2.6 miles north of Jenner Comment
  CAS-BOT-BC433410  Rumex crispus Mary P. Wells 1984-5-30 317 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC433411  Rumex crispus G. DeNevers 1981-5-23 1285 Sonoma Pepperwood Ranch. Big Roadcut along Franz Valley Road, with turnout, below Walter Ward's House. Comment
  UCD148399  Rumex fueginus Peter Rubtzoff 1958-7-20 3792 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC166928  Rumex obtusifolius Peter Rubtzoff 1954-6-7 1480 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC433744  Rumex occidentalis J. W. Congdon 1890-5-23 s.n. Sonoma Petaluma Comment
  CDA2888  Rumex pulcher G. D. Barbe 1982-5-27 3621 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Scaggs Spring Road. Comment
  UCD98454  Sagina procumbens J. Buell Laing 1928-10-1 s.n. Sonoma Santa Rosa Country Club. Comment
  CAS-BOT-BC445687  Sagittaria cuneata Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC445688  Sagittaria cuneata Peter Rubtzoff 1955-10-12 2167 Sonoma East Guernewood, near Guerneville. Comment
  CAS-BOT-BC445692  Sagittaria cuneata Peter Rubtzoff 1955-7-16 1965 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC157666  Salicornia Peter Rubtzoff 1963-8-17 5222 Sonoma Petaluma Creek just east of Petaluma. Comment
  UCD151195  Salix James A. Neilson Jr. 1974-7-10 2975 Sonoma Mayacmas Mountains, road to PG and E geothermal units 9 and 10. (Elevation estimated using topo map by label maker.) 975 Comment
  UCR249074  Salix Peter Rubtzoff 1971-9-1 6679 Sonoma Spring Creek Reservoir area, east of Santa Rosa 87 Comment
  UCR249325  Salix Peter Rubtzoff 1974-4-17 7364 Sonoma Upper Green Valley Marsh Comment
  UCR249332  Salix Peter Rubtzoff, J. E. Eckenwalder 1974-4-6 7352 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC103080  Salix bonplandiana C. R. Ball; H. E. Parks 1931-2-17 22 Sonoma Santa Rosa Creek, 1 mile south of Santa Rosa Comment
  CAS-BOT-BC103081  Salix bonplandiana A. A. Heller 1902-4-18 5335 Sonoma Near Windsor on Russian River Comment
  CAS-BOT-BC103947  Salix exigua Peter Rubtzoff 1966-4-30 5698 Sonoma Todd Road 1.4 mi. from Highway 116 and 0.6 mi. from Llano Road Comment
  CAS-BOT-BC103948  Salix exigua Peter Rubtzoff 1957-5-26 3370 Sonoma Vacation Beach, near Guerneville. Sandy bank of Russian River Comment
  RSA534502  Salix exigua Peter Rubtzoff 1957-5-26 3371 Sonoma Vacation Beach. Near Guerneville. Russian River. Comment
  RSA534507  Salix exigua Peter Rubtzoff 1966-4-30 5698 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 mile from Llano Road. Comment
  CAS-BOT-BC103843  Salix exigua subsp. melanopsis Peter Rubtzoff 1970-9-2 6367 Sonoma Russian River bottom at Mirabel Park Comment
  UC1134887  Salix exigua var. hindsiana H. S. Yates 1934-4-21 3818 Sonoma near Monte Rio; Duncan Mills Quadrangle Comment
  UC482048  Salix exigua var. hindsiana Ball, Bracelin, Parks and Parks 1931-4-21 38 Sonoma 25 km n.w. of Calistoga (Maacama Creek) Comment
  CAS-BOT-BC107755  Salix hindsiana G. De Nevers 1981-3-14 535 Sonoma Pepperwood Ranch - Pippindale farm, 7 mi. NE of Santa Rosa near Mark West Lodge. Leslie Creek, 100 m upstream from the junction. Comment
  RSA155474  Salix laevigata L. S. Rose 1962-4-18 62022 Sonoma 1 mile NW of Freestone. 76 Comment
  CAS-BOT-BC128099  Salix lasiandra var. lasiandra Peter Rubtzoff 1952-3-23 891 Sonoma Pitkin Marsh, near Forestville, opening south of the Upper Marsh Comment
  CAS-BOT-BC107094  Salix lasiolepis Peter Rubtzoff; T. J. Crovello 1964-9-3 5497 Sonoma Brooks Gulch Marsh Comment
  RSA534506  Salix lasiolepis Peter Rubtzoff, T. J. Crovello 1964-9-3 5497 Sonoma Brooks Gulch Marsh. Comment
  UC453088  Salix lasiolepis W. A. Setchell 1931-7-25 8 Sonoma lower bank of Russian at Bohemian Grove (near Monte Rio) Comment
  UC505692  Salix lasiolepis C. R. and B. S. Ball 1933-5-6 2501 Sonoma 4 mi. s.w. Calistoga (on rd. to Petrified Forest, just over Napa Co. line) Comment
  UC66160  Salix lasiolepis A. A. Heller 1902-3-10 5016 Sonoma hills 2 mi se Santa Rosa Comment
  CAS-BOT-BC107356  Salix lasiolepis var. bigelovii A. A. Heller 1902-3-28 5177 Sonoma Bodega Bay Comment
  CAS-BOT-BC126194  Salix scouleriana W. A. Setchell 1933-7-9 3 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  CAS-BOT-BC126196  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 342 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  CAS-BOT-BC126199  Salix scouleriana Peter Rubtzoff 1951-8-18 627 Sonoma Western branch of the Upper Marsh Comment
  POM219058  Salix scouleriana Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental on Occidental Grade. Comment
  RSA13573  Salix scouleriana W. A. Setchell 1934-7-10 9 Sonoma Ridge Highway. Above Fort Ross. Comment
  UC453116  Salix scouleriana W. A. Setchell 1931-8-1 29 Sonoma well up Kitchen Creek Bohemian Grove; Kitchen Creek, Bohemian Grove 60 Comment
  CAS-BOT-BC128901  Salix sitchensis W. A. Setchell 1934-7-10 7 Sonoma Kru's Ranch, Coast Highway above Fort Ross Comment
  JEPS46299  Salix sitchensis Eleanor Armstrong 1933-4-15 749 Sonoma small creek Bodega Bay 6 Comment
  SD892  Salix sitchensis Carleton R. Ball, Bracelin, Parks & Parks 1931-4-21 36 Sonoma Maacama Creek, 25 km northwest of Calistoga Comment
  UC482066  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 344 Sonoma 2 km. e. Bodega Bay Comment
  UC524786  Salix sitchensis W. A. Setchell 1934-7-10 4 Sonoma Coast Hwy. above Fort Ross (Kru's Ranch) Comment
  RSA0038341  Salix sitchensis Carleton R. Ball, H. P. Bracelin, H. E. Parks, S. T. Parks 1931-4-21 35 Sonoma Maacama Creek, 25 km. northwest of Calistoga. Comment
  JEPS62779  Salvia sonomensis Willis L. Jepson 1893-1 14947 Sonoma nw of Calistoga (between Knights Valley and Franz Valley, e Sonoma County); Napa River Basin Comment
  UC25743  Salvia sonomensis F. T. Bioletti 1893-5 Sonoma Hood's Peak Comment
  UCD160126  Sambucus nigra subsp. caerulea James A. Neilson Jr. 1973-6-6 2958 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  UCSB15938  Sambucus nigra subsp. caerulea 1962-6-6 Sonoma Along State Highway 128, 0.9 mile northwest of U.S. Highway 101 at Cloverdale 106 Comment
  UCD137272  Sambucus racemosa var. racemosa Mary M. Hektner; Cathy Hendel , Sue Dakuzaku 1974-7-4 116 Sonoma north of Sea Drift Road; Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. 3 Comment
  SBBG5250  Sanicula arctopoides H. and M. Dearing 1939-5-14 3358 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  POM82758  Sanicula crassicaulis Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  UC1348908  Sanicula crassicaulis Robert F. Thorne 1965-4-20 34325 Sonoma 2 1/2 mi n of Santa Rosa (and 1 mi n of Sonoma County Hospital, Parker Hill Road); Parker Hill Road 106 Comment
  SEINET12121327  Sanicula crassicaulis W. Knight, Knight, I.; Knight, T. 1983-1 4712 Sonoma Sonoma Mountain Rd #2 within 0.75 mi from end closest to Glen Ellen near old Wake Robin Lodge site Comment
  CDA6116  Sanicula laciniata D. G. Kelch 2007-5-13 07 .295-B Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  UCD166461  Saponaria Peter Rubtzoff 1955-8-7 2028 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC361296  Sarcococca Greg de Nevers 1997-5-5 10990 Sonoma Santa Rosa, Kaiser hospital, Mendocino Avenue 30 Comment
  SDSU7967  Satureja douglasii D. F Howe 1963-7-3 3589 Sonoma 20 miles north of junction with #12 on #1. Comment
  UC635550  Saxifraga californica H. L. Mason 1931-3-7 5807 Sonoma 12 mi w of Santa Rosa (Vine Hill School); Vine Hill School Comment
  CAS-BOT-BC441177  Saxifraga mertensiana A. A. Heller 1903-4-24 6616 Sonoma Woods near Cazadero Comment
  CAS-BOT-BC441178  Saxifraga mertensiana A. A. Heller 1903-4-24 6616 Sonoma Woods near Cazadero Comment
  POM142248  Saxifraga mertensiana Jos. Burtt Davy 1896-3-14 1667 Sonoma [Unspecified] Comment
  CAS-BOT-BC311819  Schedonorus arundinaceus Peter Rubtzoff 1960-6-5 4432 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC422369  Schedonorus arundinaceus Peter Rubtzoff 1962-5-25 4838 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC283659  Schedonorus pratensis Catherine Best 1981-6-5 s.n. Sonoma Highway 1 near Salt Point Comment
  CAS-BOT-BC111429  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1963-8-17 s.n. Sonoma Russian River Mouth Marsh Comment
  CAS-BOT-BC111430  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1962-10-1 5114 Sonoma Lower Salmon Creek Marsh in shallow water at the edge of Salmon Creek. Comment
  CAS-BOT-BC111431  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1955-8-6 2017 Sonoma Bodega Head Marsh, open, wet ground. Comment
  CAS-BOT-BC111660  Schoenoplectus mucronatus Peter Rubtzoff; Lucy Blake; Nancy Harrison; Betty Lovell 1979-7-15 9290 Sonoma Knights Valley. Pond on east side of Ida Clayton Road. Comment
  CAS-BOT-BC111800  Schoenoplectus pungens var. badius Peter Rubtzoff 1955-8-20 2067 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC111843  Schoenoplectus tabernaemontani Peter Rubtzoff 1962-7-4 4970 Sonoma Fitch Mtn. Grove, 2 mi. E of Healdsburg. Comment
  RSA122656B  Scirpus microcarpus H. S. Yates 1936-5-16 5613 Sonoma 1 mile NW of Mountain View School. 91 Comment
  UCD141248  Scirpus microcarpus Mary M. Hektner 1976-10-19 271 Sonoma just south of Irena Morgan's house on Pacific Reach, Unit 24 Owner's Map, Sea Ranch. Comment
  CAS-BOT-BC516415  Scoliopus bigelovii Peter Rubtzoff 1953-5-18 1407 Sonoma South of Guerneville, Neeley Hill area Comment
  SEINET12050506  Scoliopus bigelovii F. H. Utech 1988-1 88 -181 Sonoma 0.2 mi S of Occidental Road on Furlough Road, Sturgeon's Mill 80 Comment
  SEINET12058075  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -003 Sonoma ca 0.15 mi SE from East Avenue junction with Bohemian Rd on latter to Occidental from Camp Meeker 140 Comment
  RSA73958  Scribneria bolanderi Milo S. Baker 1952-3-20 12396 Sonoma East side Highway 12, ca. 1/4 mile North of Caliente. Comment
  UC1132933  Scribneria bolanderi L. W. Whitney 1935-4-14 Sonoma near Occidental 121 Comment
  JEPS77870 Image available Scrophularia californica Robert M. Lloyd 1965-5-8 3633 Sonoma Corner of Pressley Road and Sonoma Mt. Road, west of Glen Ellen. Comment
  UCR249337  Scrophularia californica Peter Rubtzoff 1953-5-16 1356 Sonoma Vacation Beach, near Guerneville, along Russian River 3 Comment
  RSA425178  Scrophularia californica var. californica Christopher Davidson 1977-6-17 5879 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  CAS-BOT-BC417850  Sedella pumila Leo Koch 1940-4-24 848 Sonoma N of Agua Caliente Comment
  CAS-BOT-BC417851  Sedella pumila Milo S. Baker 1940-4-24 9551 Sonoma along Sonoma--Santa Rosa Hiwy, just N of Agua Caliente Comment
  CAS-BOT-BC64095  Sedum radiatum subsp. radiatum C. F. Leitholdt 1893-6-1 s.n. Sonoma Sonoma Mt. Comment
  RSA0074864  Sedum radiatum subsp. radiatum A. A. Heller 1902-6-28 5789 Sonoma Between Knight's Valley and Mark West Springs. Comment
  CAS-BOT-BC63939  Sedum spathulifolium J. Clausen 1935-5-24 1079 Sonoma Adobe Canyon at Sonoma Creek, the first ravine abouve Kenwood Springs. Comment
  UCD135988  Selaginella wallacei Frederica Bowcutt 1987-5-26 815 Sonoma Sinkyone Wilderness State Park, south of BLM's King Range Conservation Area. SW of Four Corners approx. 0.5 air miles. At entrance sign to park along Needle Rock Rd. (county road 435). 335 Comment
Read comments
Jan 26 2018
  CAS-BOT-BC327426  Senecio flaccidus var. douglasii Volney Rattan 1887-7-25 s.n. Sonoma Valley Springs Comment
  UCD148425  Senecio glomeratus Peter Rubtzoff 1960-10-29 4577 Sonoma Bodega Harbor Marsh. Comment
  UC1299457  Senecio minimus Freed W. Hoffman 1946-9-1 1236 Sonoma ocean bank Bodega Park; North Coast Ranges, Bodega Park Comment
  UCD135623  Senecio minimus Freed W. Hoffman 1946-8-23 796 Sonoma North Coast Ranges. Lone Mountain Farm, near Guerneville. Comment
  UCD135625  Senecio minimus Mary M. Hektner; Cathy Hendel 1974-7-26 179 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  JEPS77267  Senecio sylvaticus Robert M. Lloyd 1963-4-24 2404 Sonoma 18.9 mi e State Highway 12 (on road to Oakdale) 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
  RSA96840  Sequoia sempervirens P. C. Everett, E. K. Balls 1954-10-20 20380 Sonoma 3.5 mi W of Sebastopol, Sebastopol to Freestone. Comment
  SEINET10569493  Sequoia sempervirens R. D. Sage 1992-1-10 Sage 13413 Sonoma Collected along Joy Rd between Bodega Hwy and Bittner Rd, ca 2-6 km SW of Occidental. Comment
  YM-YOSE15454  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 Miles south of Santa Rosa in Bennet Valley Comment
  CDA31828  Sesbania punicea C. Owens 2010-7-7 s.n. Sonoma In the vicinity of Santa Rosa on River Road. 0 Comment
  CAS-BOT-BC240154  Setaria pumila Peter Rubtzoff 1971-9-2 6684 Sonoma Todd Road near Stony Point Road Comment
  CDA31043  Setaria pumila D. G. Kelch, Troy McGregor 2010-8-22 10 .337 Sonoma Geyser Peak Rd. Comment
  CAS-BOT-BC540831  Sidalcea Peter Rubtzoff 1976-5-30 8578 Sonoma East side of Highway 12, ca. 0.75 mi. south of Kenwood (0.9 miles south of Warm Springs Road junction). Comment
  UC202838  Sidalcea calycosa subsp. calycosa Milo S. Baker May 1889 Sonoma Stewarts Canyon North Falls, Stewarts Canyon Comment
  UC496409  Sidalcea diploscypha Merle Randall 1930-6-9 Sonoma Cazadero Comment
  UCSB50223  Sidalcea malviflora Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 16 Comment
  SEINET7042680  Sidalcea malviflora subsp. laciniata A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  JEPS21824  Sidalcea malviflora subsp. purpurea Gayle Westigard 1958-5-9 71 Sonoma on the coast near sea level Plantion (Plantation) 0 Comment
  CAS-BOT-BC251240  Silene Peter Rubtzoff 1967-8-28 5860 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC258685  Silene Peter Rubtzoff 1962-6-21 4935 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  RSA94642  Silene gallica Peter Rubtzoff 1952-5-10 1020 Sonoma Pitkin Marsh, near Forestville; bordering the Upper Marsh in the east. Comment
  UC905113  Silene multinervia Milo S. Baker 1947-4-22 11689 Sonoma near Kenwood (on Macartney Ranch); w slope Hood Mt., near Kenwood, Macartney Ranch 182 Comment
  CAS-BOT-BC74907  Sinapis arvensis John Thomas Howell 1934-3-25 11784 Sonoma M.S. Baker place, mouth of Sonoma Creek Canyon. Comment
  CAS-BOT-BC75372  Sisymbrium officinale Elizabeth McClintock 1969-4-11 s.n. Sonoma Property of David Pleydell-Bouverie, west of Glen Ellen. Comment
  CAS-BOT-BC262843  Sisyrinchium Peter Rubtzoff 1976-5-30 8573 Sonoma Kenwood Marsh. Comment
  SEINET12048679  Sisyrinchium bellum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -085 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  UCD138810  Sisyrinchium bellum Cynthia Hodges 1982-4-8 15 Sonoma 10 miles south Healdsburg on Chalk Hill Road directly off Highway 128. 38 Comment
  UC1084445  Sisyrinchium californicum G. Thomas Robbins 1937-5-23 200 Sonoma 10 mi w of Santa Rosa (on Pitkin Ranch); Vine Hill Region Comment
  UC1585373  Smilacina racemosa R. Raiche, K. Zadnik, and H. Forbes 1989-10-1 UCBG 6 Sonoma 0.3 km e Stewarts Point (on Skaggs Springs-Stewarts Point Rd, nw-facing bank) 50 Comment
  CAS-BOT-BC164701  Solanum Peter Rubtzoff 1953-11-1 1433 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC166694  Solanum Peter Rubtzoff 1959-9-19 4277 Sonoma Vacation Beach, near Guerneville. Comment
  UCD126855  Solanum carolinense T. C. Fuller 1967-9-12 16360 Sonoma 1605 Laguna Road, Sebastopol. Comment
  NY820383  Solanum xanti A. A. Heller 1902-3-16 5076 Sonoma Russian River, Near Trenton Comment
  UCD148423  Solanum xanti Peter Rubtzoff 1960-5-16 2358 Sonoma Duncans Mills Marsh. Comment
  NY820492  Solanum xanti var. intermedium P. H. Raven 1951-5-20 2862 Sonoma Oakville to Glen Ellen 274 Comment
  CAS-BOT-BC344874  Solidago Peter Rubtzoff 1961-9-6 4745 Sonoma 2 miles northeast of Freestone. Comment
  CAS-BOT-BC365587  Solidago elongata John Thomas Howell 1946-8-17 22867 Sonoma Cunningham Marsh 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-BC365659  Solidago spathulata John Thomas Howell 1931-9-26 8095 Sonoma 7 miles north of Fort Ross Comment
  CAS-BOT-BC365660  Solidago spathulata L. R. Abrams 1920-7-3 7608 Sonoma Near Stewarts Point Comment
  UCD158725  Solidago velutina subsp. californica Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca.1.5 mi east of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 822 Comment
  CAS-BOT-BC365956  Soliva sessilis G. DeNevers 1981-4-11 688 Sonoma Pepperwood Ranch. Lower orchard Comment
  CAS-BOT-BC365959  Soliva sessilis Peter Rubtzoff 1952-6-10 1204 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC164384  Sonchus Peter Rubtzoff 1961-8-24 s.n. Sonoma Fife Creek Marsh. 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-BC236590  Sorghum halepense Peter Rubtzoff 1962-9-16 5093 Sonoma Vacation Beach, 1.5 mi. below Guerneville, damp bottom of Russian River 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
  POM232058  Sparganium erectum subsp. stoloniferum Roxana S. Ferris 1937-8-18 9373 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC390050  Spergula arvensis Mary P. Wells 1984-5-9 266 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC320495  Spergularia Peter Rubtzoff 1971-7-9 6597 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC320501  Spergularia Peter Rubtzoff; Nancy Harrison; Walter Lennon; Marion Weiger 1974-5-11 7399 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD99212  Spergularia macrotheca Michael Fleschner 1965-5-1 8 - Sonoma University Marine Laboratory, Horsehoe Cove, Bodega Head. Comment
  SD39611  Spergularia macrotheca var. macrotheca Edith A. Purer 1932-7-21 4053 Sonoma Bodega Bay. Comment
  CAS-BOT-BC390976  Spergularia marina G. B. Rossbach; R. P. Rossbach 1938-5-27 630 Sonoma Bodega Bay Comment
  CAS-BOT-BC390726  Spergularia rubra Walter Knight; Irja Knight 1963-8-13 206 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC390729  Spergularia rubra Alice Eastwood; John Thomas Howell 1937-5-31 4503 Sonoma 6 miles north of Bodega Bay Comment
  CAS-BOT-BC390730  Spergularia rubra John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53937 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC390731  Spergularia rubra John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53938 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  NY505335  Spergularia rubra B. J. Ertter 1988-11-5 8027 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge 152.4 Comment
  RSA0022423  Spergularia rubra Peter Rubtzoff 1969-8-14 6130 Sonoma Along Salmon Creek, ca. 0.5 mi upstream from Hwy #1. Comment
  SEINET11933746  Spergularia rubra W. Knight, Knight, I. 1984-1 5150 Sonoma along Petalnona Blvd. , S North Side between B and C streets 5 Comment
  UCR254753  Spiranthes porrifolia Peter Rubtzoff 1969-6-27 6103 Sonoma 6.5 miles NE of Penngrove on Lichau Road 427 Comment
  UC55669  Spirodela polyrhiza J. Burtt Davy 1896-7-22 4143 Sonoma Russian River Comment
  RSA800145  Stachys Peter Rubtzoff 1977-9-3 9124 Sonoma Perry Marsh. Comment
  CAS-BOT-BC500695  Stachys Peter Rubtzoff 1954-8-13 1708 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC502053  Stachys Peter Rubtzoff 1963-10-5 5295 Sonoma Brooks Gulch Marsh Comment
  RSA0062827  Stachys stricta Greg de Nevers 1993-8-8 10485 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC251268  Stellaria Peter Rubtzoff 1967-8-22 5852 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC251255  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-6-4 1901 Sonoma Forestville Marsh. Comment
  UC136315  Stellaria littoralis Alice Eastwood Jun 1899 Sonoma Bodega Point Comment
  UC465523  Stellaria littoralis Katharine Brandegee 1905-1 Sonoma Bodega Point Comment
  UCR218631  Stellaria media George K. Helmkamp, E. A. Helmkamp 2010-6-4 16216 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-BC397764  Stellaria media A. A. Heller 1902-6-10 1041 Sonoma Santa Rosa Comment
  CAS-BOT-BC397773  Stellaria media Peter Rubtzoff 1952-5-31 1116 Sonoma Pitkin Marsh, near Forestville; Thickets south of the Upper Marsh. Comment
  CAS-BOT-BC405136  Stellaria nitens Greg de Nevers 1992-4-8 10102 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. At Hendley Flat. 475 Comment
  OBI35891  Stipa pulchra David J. Keil 1983-6-29 17205 Sonoma Ca. 10 mi SE of Ft. Ross along Hwy 1 Comment
  JEPS46127  Streptanthus barbiger Eleanor Armstrong 1932-5-29 500 Sonoma 2 mi n Camp Meeker 121 Comment
  UC1492711  Streptanthus barbiger Freed W. Hoffman 1950-5-24 3359 Sonoma trail from Gray Creek to The Island (headwaters of East Austin Creek); North Coast Ranges, East Austin Creek Comment
  UC956618  Streptanthus brachiatus subsp. brachiatus Freed W. Hoffman 1949-7-6 2871 Sonoma e. Pine Flat (ridge near contact Mine, on Sonoma-Lake co. line); North Coast Ranges 914 Comment
  UCR67076  Streptanthus brachiatus subsp. brachiatus L. F. LaPre 1985-6-25 s.n. Sonoma Coast Ranges, Socrates Mine, c. 9 mi. ENE of Geyserville 917 Comment
  UC1292752  Streptanthus glandulosus Freed W. Hoffman 1947-5-12 1052 Sonoma Camp Meeker North Coast Ranges Comment
  UC614606 Image available Streptanthus glandulosus L. Constance 1938-4-24 2155 Sonoma 8 mi s Fort Ross; Russian Gulch; Russian Gulch, 8 mi. S of Fort Ross, Sonoma Co. 121 Comment
  UC10912  Streptanthus glandulosus subsp. secundus Edw. L. Greene 1894-6-17 Sonoma Mt. St. Helena Comment
  UC1292660  Streptanthus glandulosus subsp. secundus A. R. Kruckeberg 1947-5-3 1436 Sonoma along Hwy 28 between milepost A-1140 and milepost A-1150 (about 3/4 mi w of Maacamas Creek crossing, hwy from Calistoga to Healdsburg, w end of valley); Knight's Valley Comment
  UC1492743  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-7-9 2848 Sonoma upper side of Sulphur Creek rd 3.6 mi from Highway 101 (from Geysers to Cloverdale); North Coast Ranges 182 Comment
  UC1492745  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-8-12 2355 Sonoma headwaters of Warm Springs Creek North Coast Ranges, Bob Caughey Ranch Comment
  UC1492769  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-25 3396 Sonoma near Guerneville; North Coast Ranges, Great Eastern Quicksilver Mines 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-BC87299  Streptanthus glandulosus subsp. sonomensis John Thomas Howell 1929-6-30 4321 Sonoma 4 miles from Petrified Forest on road to Knights Valley. Comment
  JEPS18125  Streptanthus glandulosus subsp. sonomensis Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5673 Sonoma headwaters of creek near Layton Chromite Mine (along and just above creek-bed); Big Austin Creek, vicinity of The Cedars 266 Comment
  CAS-BOT-BC87294  Streptanthus glandulosus subsp. sonomensis Peter Rubtzoff 1952-6-1 1134 Sonoma Fitch Mountain Grove, near Healdsburg. Comment
  SEINET11998403  Streptanthus glandulosus var. sonomensis Unknown 1986-1 60156 Sonoma W of Healdsburg, Palmer Creek drainage (tributary of Mill Creek) 427 Comment
  UCD167022  Streptanthus morrisonii James Neilson 1981-7-1 4046 Sonoma Mayacmas Mountains. Abril Ridge. (Abril Ridge assumed to be on Abril property which, based on other Neilson collections, includes T11N R9W Sect. 15. Exact location unknown, coordinates estimated by label maker.) Comment
  UCD168068  Streptanthus morrisonii James Neilson 1981-5-28 4032 Sonoma Mayacmas Mountains, Shell Well Site B. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site B was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  UC1492804  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1950-5-24 3360 Sonoma trail from Gray Creek to The Island (headwaters of East Austin Creek); North Coast Ranges, East Austin Creek Comment
  UC1751203  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1947-5-30 1030 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  CAS-BOT-BC267237  Stuckenia filiformis Peter H. Raven 1955-3-20 s.n. Sonoma 1 mile W of Schelville Comment
  CAS-BOT-BC274038  Stuckenia pectinata Peter Rubtzoff 1971-9-1 6668 Sonoma Spring Creek Reservoir area. Comment
  CAS-BOT-BC258035  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-BC269709  Symphoricarpos mollis D. E. Breedlove 1962-6-6 2900 Sonoma Along State Highway 128, 1.5 miles northwest of U. S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC269710  Symphoricarpos mollis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54012 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCSB15941  Symphoricarpos mollis Breedlove, Dennis 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
Read comments
Apr 16 2014
  RSA0036021  Symphyotrichum Peter Rubtzoff 1971-8-23 6649 Sonoma Laguna, Chileno Valley. Comment
  SD40154  Symphyotrichum ascendens Edith A. Purer 1932-7-24 4070 Sonoma Near Bodega Bay; roadside in Santa Rosa CaA'on. Comment
  UCD136522  Symphyotrichum chilense Mary M. Hektner; Sue Dakizaku and Cathy Hendel 1974-6-28 83 Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UC29836  Symphyotrichum chilense Edw. L. Greene 1888-9-1 1 Sonoma near Santa Rosa Comment
  CAS-BOT-BC98567  Symphyotrichum lentum Peter Rubtzoff 1958-8-16 3863 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Rd.) - Sonoma County Marshes Comment
  CAS-BOT-BC98568  Symphyotrichum lentum Peter Rubtzoff 1958-9-6 3971 Sonoma Laguna de Santa Rosa north of cunningham (nr. Todd Rd.) - Sonoma County Marshes Comment
  CAS-BOT-BC98572  Symphyotrichum lentum John Thomas Howell 1932-9-18 10783 Sonoma Along Sonoma Creek on Lower Road to Glen Ellen 3 miles from Kenwood Comment
  UC87065  Symphyotrichum spathulatum W. E. Bryant 1887-7-1 Sonoma Healdsburg Comment
  CAS-BOT-BC221964  Taeniatherum caput-medusae G. DeNevers 1981-5-9 1015 Sonoma Pepperwood Ranch. By the Red Corral at the McCann Homestead Comment
  CAS-BOT-BC376987  Taraxacum officinale Peter Rubtzoff 1952-3-23 877 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  HREC922 Image available Tauschia kelloggii Kerry L. Heise 1997-5-7 2024 Sonoma IHRMP study site #3 Riley, 2mi ENE of Geyserville, Sonoma Co. Comment
  UC1432146  Teesdalia coronopifolia C. F. Quibell 1977-3-7 1392 Sonoma w edge of Santa Rosa, sw of intersection of Fulton and Piner roads Santa Rosa Comment
  CAS-BOT-BC399882  Thalictrum polycarpum G. DeNevers 1981-4-4 650 Sonoma Pepperwood Ranch. W side of stream 200 m N of Pippindale Garden Comment
  POM127141  Thermopsis californica var. californica M. S. Baker 1899-05 s.n. Sonoma Forestville Comment
  POM20388  Thermopsis californica var. californica A. A. Heller, H. E. Brown, A. H. Heller 1902-4-22 7123 Sonoma Bet Santa Rosa and Agua Caliente Comment
  JEPS35791  Thysanocarpus radians Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8926 Sonoma s Sonoma (e of Arnold Dr, 0.7 mi n of junction of Arnold Dr with State Hwy 37) Comment
  UC11048  Thysanocarpus radians Alice King Apr., 1897 Sonoma Healdsburg Comment
  RSA0049967  Thysanocarpus radians 1931-4-2 6041 Sonoma Boyes Springs. Comment
  CAS-BOT-BC447595  Tiarella trifoliata subsp. unifoliata Catherine Best 1980-7-1 s.n. Sonoma Growing on the bank of Dutch Bill Creek about 1 mile north of Occidental Comment
  JEPS49745  Tiarella trifoliata var. unifoliata M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma Russian River near Guerneville; Russian River Comment
  SEINET12217316  Tiarella unifoliata F. H. Utech 1988-1 88 -200 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  UC353822  Tofieldia occidentalis subsp. occidentalis Milo S. Baker 1928-6-28 3047 a Sonoma Pitkin Marsh Comment
  SD130530  Tonella tenella F. Almeda, G. DeNevers 1981-3-30 4894 Sonoma Streambank in vicinity of the Redwood Canyon, Pepperwood Ranch Comment
  UC796563  Torilis nodosa Roxana S. Ferris and Laura Lorraine 1948-6-9 11659 Sonoma Franz Valley Road ca. 3/4 mi from Mark West Road Comment
  UC1134355  Torreya californica E. Armstrong 1934-3-25 906 Sonoma 1 mi w Camp Meeker; Sebastopol Quad. 152 Comment
  SEINET7295150 Image available Torreyochloa pallida var. pauciflora A. S. Hitchcock 1908-1 2702 Sonoma Sherwood Comment
  CAS-BOT-BC169259  Toxicodendron diversilobum Peter Rubtzoff 1951-8-18 630 Sonoma Western branch of the Upper Marsh, Pitkin Marsh, near Forestville Comment
  HSC3136  Toxicodendron diversilobum S. N. Wiemeyer 1962-4-13 8 Sonoma 3/4 mi. E of County Hospital along Chanate Rd. 122 Comment
  SEINET9328465  Toxicodendron diversilobum Unknown 1974-4-29 1783 Sonoma Creek at south edge of vineyard, Asti Road ca. 1 mile south of Washington School Road, Asti, Sonoma County. S3, T10N, R10W MD. Botany 102, Botany Department, University of California, Davis. Comment
  CAS-BOT-BC323058  Tracyina rostrata John Thomas Howell 1967-6-17 42599 Sonoma On Arthur E. Cooley Ranch at confluence of Galloway adn Dry Creeks, northern Sonoma Co. 182 Comment
  CAS-BOT-BC519555  Triantha occidentalis subsp. occidentalis John Thomas Howell 1945-8-14 21407 Sonoma Sonoma: Perry Marsh Comment
  SEINET6165684 Image available Trichostema lanceolatum Unknown 1982-7-1 s.n. Sonoma 2 mi N.E. of Occidental Sonoma Co. Comment
  SEINET13948220 Image available Trichostema laxum Lewis S. Rose 1955-1 55111 Sonoma 2 mi E of Occidental; ca 800 ft alt. 244 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
  CAS-BOT-BC173552  Trifolium Peter Rubtzoff; Nancy Harrison 1974-5-26 7467 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC173635  Trifolium Peter Rubtzoff; Nancy Harrison 1974-5-26 7469 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA784985  Trifolium Peter Rubtzoff 1974-4-17 7373 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173533  Trifolium Peter Rubtzoff 1974-5-19 7440 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  JEPS117950  Trifolium Zoya Akulova-Barlow 2005-12-1 Sonoma Cloverdate River Park, Russian River Comment
  RSA784983  Trifolium Peter Rubtzoff 1972-6-23 6783 Sonoma Atascadero Creek Marsh. Comment
  UCSC010633  Trifolium R. Morgan 2014-5-12 5637 b Sonoma Bodega Head Comment
  SBBG40326  Trifolium amoenum R. F. Hoover 1969-5-26 11349 Sonoma 2 mi S of Petaluma on Pt Reyes Rd Comment
  UCSC011163  Trifolium appendiculatum R. Morgan 2005-5-14 4423 D Sonoma Seed originally from one or two plants in Santa Rosa. Comment
  UCD165148  Trifolium barbigerum Peter Rubtzoff 1974-5-18 7426 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD33227  Trifolium bifidum Beecher Crampton 1967-5-15 7928 Sonoma Lytton. Comment
  UCD108271  Trifolium ciliolatum Freed W. Hoffman 1946-3-6 1858 Sonoma North Coast Ranges. Near Guerneville. Above Quicksilver Mines. Comment
  SEINET12166391  Trifolium cyathiferum H. K. Wagnon 1989-1 1888 Sonoma ca 20 yards N of Fort Ross Schools Reservoir 122 Comment
  UC16521  Trifolium depauperatum var. amplectens W. H. Brewer 1862-4-18 961 Sonoma near Sonoma Comment
Read comments
Sep 7 2009
  SEINET6934959  Trifolium depauperatum var. amplectens A. G. Vestal, Wanda P. Vestal 1962-4-12 s.n. Sonoma Mark West Springs road toward Calistoga, 6.4 miles northeast of Route 101 or 10 miles north of Santa Rosa. Comment
  UCD165131  Trifolium depauperatum var. depauperatum Peter Rubtzoff; Walter Lennon 1974-5-11 7393 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UC16722  Trifolium depauperatum var. truncatum Edw. L. Greene 1892-4-23 Sonoma Knight's Valley Comment
  UCD108545  Trifolium depauperatum var. truncatum R. Tofsrud 1951-5-27 s.n. Sonoma Daken's place near Mark West Springs. Comment
  UCD108821  Trifolium dubium Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 106 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owner's Map. Comment
  CAS-BOT-BC361299  Trifolium fragiferum Greg de Nevers 1997-5-31 11012 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa, northwest of Finnell Cabin 457 Comment
  UCD109024  Trifolium fucatum P. B. Kennedy 1929-5-24 10295 Sonoma Between Cazadera and Seaview. Comment
  UCD165150  Trifolium gracilentum Peter Rubtzoff 1974-5-18 7428 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCR152106  Trifolium grayi Beecher Crampton 1955-4-5 2407 Sonoma 2 mi west of Futlon, along Woolsey Road 35 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
  UCD109772  Trifolium hirtum Frederica Bowcutt 1996-5-19 2122 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Lower Bald Mountain trail. 426 Comment
  UCD111143  Trifolium hirtum Frederica Bowcutt 1996-5-19 2122 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Lower Bald Mtn. trail. 426 Comment
  JEPS128259  Trifolium microcephalum Roger Raiche 2000-4-20 040 .00 Sonoma The Cedars. Gateway Parcel at Christi Camp. Lower Russian River, Big Austin Creek watershed. Comment
  UC1177072  Trifolium microcephalum Peter H. Raven 1951-4-22 2782 Sonoma e Agua Caliente (hills) Comment
  UC631549  Trifolium microcephalum P. B. Kennedy 1915-5-31 Sonoma Anapolis Comment
  UCD151178  Trifolium microdon James A. Neilson Jr. 1974-4-16 2843 Sonoma Mayacmas Mountains. The Geysers. Near sulphur bank number 13, geothermal wells 1 and 3. (Elevation estimated using Google Earth by label maker.) 487 Comment
  UCD33225  Trifolium microdon Beecher Crampton 1967-5-15 7926 Sonoma Sonoma County, Lytton. Comment
  UCD109166  Trifolium microdon Christine Lee 1993-4-24 90 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Hillside Trail. 411 Comment
  POM21419  Trifolium obtusiflorum A. A. Heller 1902-5-23 5605 Sonoma Sonoma Comment
  SEINET10829861  Trifolium truncatum A. Arthur Heller, H. E. Brown 1902-4-22 Heller s.n. Sonoma Between Santa Rosa and Agua Caliente. Comment
  UCSC005256  Trifolium variegatum Randall Morgan 1995-5-18 2618 Sonoma Santa Rosa, Vernal field at Stony Point Road (Across from Yuba Drive) Comment
  CDA28059  Trifolium variegatum var. major Peter Rubtzoff 1969-5-3 6023 Sonoma Laguna de Santa Rosa east of Sebastopol. 0 Comment
  UC16754  Trifolium willdenovii W. H. Brewer 1862-4-17 981 Sonoma Sonoma Valley Comment
  UC85322  Trifolium willdenovii Michener and Bioletti May 1892 105 a Sonoma S. L. G. Comment
  UCD109507  Trifolium willdenovii J. Adams; J. Weick 1993-5-8 272 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
  UCD109893  Trifolium willdenovii R. Tofsrud 1951-5-20 s.n. Sonoma Dunbar School near Kenwood. Comment
  UC1057434  Trillium albidum G. Thomas Robbins 1937-3-25 3 Sonoma Sonoma Creek Bennett Valley, Sonoma Creek Comment
  UC1364376  Trillium albidum J. D. Freeman with R. F. Freeman 1967-5-6 574 Sonoma w. of Geyserville (at confluence of 2 ravines on Skaggs Springs Rd. ca. 10 mi. w. of its jct. with Dry Creek Rd.) Comment
  CAS-BOT-BC376369  Trillium chloropetalum Greg de Nevers 1993-3-24 10332 A Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Weimar Canyon. 400 Comment
  SEINET12048688  Trillium ovatum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -158 Sonoma ca 5 mi E of Bridgehaven on Willow Creek Road 145 Comment
  SEINET3991692  Trillium ovatum Unknown 1951-3-24 Sonoma Duncan Mills Comment
  CHSC33029  Triphysaria eriantha Jane A. Rogers 1979-4-14 8 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/2 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. 27 Comment
  JEPS65947  Triphysaria eriantha subsp. eriantha Peter Rubtzoff 1971-6-5 6518 Sonoma on Bennett Valley Road 4.25 mi w Glen Ellen Comment
  UC27176  Triphysaria eriantha subsp. eriantha W. A. Setchell 1898-3-15 Sonoma Cloverdale Comment
  SBBG7054  Triphysaria eriantha subsp. eriantha H. and M. Dearing 1939-4-29 323 Sonoma N of San Raphael Comment
  JEPS11168  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1921-5-6 9186 Sonoma just w of summit of road from Calistoga to Petrified Forest along Porter Creek; along Porter Creek 365 Comment
  UC1537449  Triphysaria versicolor subsp. faucibarbata Gordon H. True Jr. 1936-4-7 406 Sonoma near Sonoma 91 Comment
  UC185474  Triphysaria versicolor subsp. faucibarbata Katharine Brandegee May 1905 Sonoma Sebastopol Comment
  SFV8312  Triphysaria versicolor subsp. faucibarbata R. R. Martin 1968-5-2 13 Sonoma Dry Creek Road, 5 miles north of Healdsburg. Comment
  UC726148  Triphysaria versicolor subsp. versicolor A. A. Heller 1940-5-17 15630 a Sonoma back of the bluff n of the town of Bay Bodega Bay; , Bodega Bay Comment
  CAS-BOT-BC200106  Trisetum canescens Peter Rubtzoff 1951-6-7 111 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC200109  Trisetum canescens John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54007 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-BC200110  Trisetum canescens Roxana S. Ferris; Laura Lorraine 1961-6-14 13533 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  CAS-BOT-BC227673  Trisetum canescens Peter Rubtzoff 1958-5-30 3683 Sonoma Duncans Mills Marsh. Comment
  UCD93598  Trisetum canescens P. B. Kennedy 1915-6-1 s.n. Sonoma Northern. Del Mar. Comment
  CAS-BOT-BC200111  Trisetum canescens G. DeNevers 1981-5-23 1303 Sonoma On Devils Kitchen Hill Comment
  CAS-BOT-BC522360  Triteleia hyacinthina Peter Rubtzoff 1969-5-11 6042 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner road. 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
  CHSC22981  Triteleia laxa Robert A. Schlising; Lloy Thurman 1962-6-15 2305 Sonoma Dutcher Creek Road, S of Cloverdale and Asti. Comment
  CAS-BOT-BC527044  Triteleia laxa John Thomas Howell 1930-6-8 5259 Sonoma 1 mile east of Bodega Bay Comment
  SEINET12049783  Triteleia laxa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -151 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 80 Comment
  SEINET12050340  Triteleia laxa J. T. Vale 1988-1 s.n. Sonoma Skaggs Springs, road between Sonoma Lake and Annapolis Rd Comment
  SEINET7042391  Triteleia laxa A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UC3330  Triteleia peduncularis Harley P. Chandler 1900-5-25 676 Sonoma Bodega Comment
  UC565400  Triteleia peduncularis G. Thomas Robbins 1937-6-5 216 Sonoma about ten mi w Santa Rosa (Vine Hill region, Pitkin Ranch); Vine Hill region, Pitkin Ranch Comment
  CAS-BOT-BC527975  Triteleia peduncularis Peter Rubtzoff 1964-6-20 5363 Sonoma Laguna de Santa Rosa southwest of Sabastopol (nr. Cooper Rd.) Comment
  CAS-BOT-BC200493  Triticum aestivum Peter H. Raven 1950-4-6 1594 Sonoma Santa Rosa to Rincon Ridge 60 Comment
  SD134038  Typha angustifolia Peter Rubtzoff 1971-7-20 6603 Sonoma Sebastopol - Santa Rosa Hwy. near Wright Road. Ditch Comment
  RSA383399  Typha domingensis Christopher Davidson 1977-6-20 6023 Sonoma Dry Creek Road, 11.9 miles W of Geyserville. Gravel bar in Warm Springs Creek. 137 Comment
  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-BC403977  Urtica dioica subsp. gracilis Peter Rubtzoff 1964-6-3 5344 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC403978  Urtica dioica subsp. gracilis Peter Rubtzoff 1957-6-28 3393 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC403987  Urtica dioica subsp. gracilis Lewis S. Rose 1964-6-3 64056 Sonoma N. end of Bodega Bay 1 Comment
  CAS-BOT-BC403988  Urtica dioica subsp. gracilis Mary P. Wells 1984-8-9 438 Sonoma Near South Fork of Gualala River, the Hot Spot, The Sea Ranch Comment
  CAS-BOT-BC404226  Urtica dioica subsp. holosericea Peter Rubtzoff 1973-9-9 7311 Sonoma Kenwood Marsh Comment
  RSA620427  Urtica dioica subsp. holosericea Peter Rubtzoff 1973-8-29 7279 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC404229  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-9-13 5503 Sonoma Clear Lake State Park, along Cole Creek Comment
  CAS-BOT-BC404230  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-8-26 5480 Sonoma Marsh 5 miles northeast of Penngrove on Lichan Road 213 Comment
  CAS-BOT-BC404231  Urtica dioica subsp. holosericea Peter Rubtzoff 1954-8-13 1717 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC193381  Vaccinium ovatum Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma North of Fort Ross Comment
  UCD118075  Vaccinium ovatum Beecher Crampton 1955-6-17 2980 Sonoma Sonoma County, 0.5 mile north of Camp Meeker. Comment
  UC419732  Vaccinium parvifolium Mrs. H. P. Bracelin 1930-7-27 22 Sonoma 1 mi N of Fort Ross Comment
  SD88335  Vancouveria planipetala Darley F. Howe 1972-5-1 Sonoma Duncan Mills Pond 149 Comment
  SD58170  Vancouveria planipetala E. Van E. Ferguson 8-10 Jun 1919 248 Sonoma Near Gurnewood Comment
  SEINET3889195  Veratrum insolitum Kaye H. Thorne 1984-11-21 3653 Sonoma Sea Ranch, 2.5 miles South Gualala, stabilized coast dunes old sheep ranch.; 0 Comment
  CAS-BOT-BC156317  Verbascum Peter Rubtzoff 1962-6-22 4959 Sonoma Fife Creek Marsh Comment
  CDA15999  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15679 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Sheet 1 of 2. Comment
  UCR256103  Verbena Greg de Nevers 1992-7-25 10227 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  UCD125639  Verbena lasiostachys Frederica Bowcutt 1994-7-5 1933 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 30 feet, 70 ft. S of campfire center along N edge of Sonoma Creek, N and E of campground. 381 Comment
  JEPS65942  Verbena lasiostachys var. lasiostachys L. M. Newlon 1921-9-12 271 Sonoma Alexander Valley Comment
  CAS-BOT-BC376218  Veronica Greg de Nevers No date on label 10836 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  UCD166503  Veronica Peter Rubtzoff 1960-5-20 4397 Sonoma Laguna de Santa Rosa east of Graton (betw. Occidental and Guerneville roads). Comment
  UCR244664  Veronica Peter Rubtzoff 1969-6-14 6082 Sonoma 6.5 mi northeast of Penngrove, on Lichau Road 427 Comment
  CAS-BOT-BC166927  Veronica Peter Rubtzoff 1969-6-14 6082 Sonoma Vernal pool 6.5 mi. northeast of Penngrove on Lichau Road. 426 Comment
  UCD163999  Veronica americana Peter Rubtzoff 1977-9-4 9127 Sonoma Cunningham Marsh area, ca. 1 air mile west-southwest of Cunningham Station. Comment
  UCD148335  Veronica americana Peter Rubtzoff 1954-8-13 1711 Sonoma Bodega Head Marsh. Comment
  JEPS19383  Veronica persica G. Thomas Robbins 1937-3-27 45 Sonoma Santa Rosa Comment
  RSA799984  Vicia Peter Rubtzoff 1973-8-27 7265 Sonoma Upper Green Valley Marsh. Comment
  RSA94347  Vicia angustifolia Peter Rubtzoff 1951-7-28 548 Sonoma Southern half of Lower Marsh Comment
  CDA36954  Vicia benghalensis 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
  UC17022  Vicia sativa W. H. Brewer 1862-4-18 965 Sonoma near Sonoma Comment
  JEPS66193  Vicia sativa subsp. nigra W. L. Jepson 1911-4-30 4190 Sonoma near Glen Ellen; Sonoma Valley 83 Comment
  UCSB22471  Vicia sativa subsp. sativa McCarthy, Sharon 1965-4-17 Sonoma in field West of 5th St. West opposite Betancourt St. intersection, Sonoma 10 Comment
  UCR254854  Vicia tetrasperma Greg de Nevers 1993-7-4 10471 Sonoma Willow Creek drainage downhill from 18375 Willow Creek Road [Occidental] 244 Comment
  CAS-BOT-BC361421  Vicia tetrasperma Greg de Nevers 1993-7-4 10471 Sonoma Willow Creek drainage downhill from 18375 Willow Creek Rd. 243 Comment
  RSA595074  Viola adunca Peter Rubtzoff 1977-11-26 9147 Sonoma On east side of Hwy 1, ca 1.5 mile northwest of jct of the road to Fort Ross State Historic Park. Comment
  UC581533  Viola adunca H. L. Mason June 1930 5663 Sonoma mouth of Gualala River Comment
  JEPS50388  Viola glabella Dorothea Gorter 1920-3-23 Sonoma Villa Grande; Russian River, Villa Grande Comment
  CAS-BOT-BC536903  Viola glabella Rimo Bacigalupi 1921-7-1 s.n. Sonoma Woods at Monte Rio Comment
  UC1761445  Viola lobata Milo S. Baker 1924-5-3 463 Sonoma Howell Mt., Pinecrest Comment
  UC19294  Viola lobata subsp. lobata W. H. Brewer 1862-4-18 977 Sonoma summit of ridge 3 mi se of Sonoma Comment
  JEPS50443  Viola ocellata Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  UC1762265  Viola ocellata Leo Koch 1939-4-8 497 Sonoma Boxman Ranch near Plantation Comment
  HSC21828  Viola ocellata Malcolm L. Byce 1936-3-22 168 Sonoma Camp Miller, 3.5 mi. W of Cazadero, towards Ft. Ross, on Ward Creek Comment
  UC1761625  Viola pedunculata Mary Eloise Bauder 1929-4-2 5 Sonoma Roberts place--Pet. Hill Road Comment
  UC1761388  Viola purpurea subsp. quercetorum Elmer I. Applegate 1934-3-25 8852 Sonoma Pine Flat region Comment
  UC19359  Viola sempervirens J. Burtt Davy 1896-3-14 1666 Sonoma Cazadero Comment
  UC75664  Viola sempervirens Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  SBBG40537  Viscum album L. S. Rose 1966-5-8 Sonoma ca. 1 mi from Sebastopol on Gravenstein Hwy N Comment
  CDA14898  Viscum album G. D. Barbe 1968-1-1 859 Sonoma Semi-abandoned residence yard, 7790 Atkinson Road 1 block east of Hwy 122, 1.5 miles north of Sebastopol. 0 Comment
  CAS-BOT-BC203126  Vitis californica Peter Rubtzoff 1960-5-29 4423 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC203129  Vitis californica Peter Rubtzoff 1951-8-5 595 Sonoma Mirabel Park, 1 1/2 mi. north of Forestville Comment
  CAS-BOT-BC203130  Vitis californica Lewis S. Rose 1968-6-25 68115 Sonoma Rincon Ridge ne. of Santa Rosa 121 Comment
  CAS-BOT-BC203131  Vitis californica James McMurphy 1908-9-27 s.n. Sonoma Mark West Creek Comment
  UC552473  Vitis californica Professor J. T. Barrett 1936-6-19 Sonoma above Guerneville; Russian River Comment
  CDA15738  Vitis vinifera G. F. Hrusa 1998-6-14 14590 Sonoma Cultivated Plants; on Foote Ranch. Immed. N of corner Ida Clayton Rd. & Hwy. 128, Knights Valley. Comment
  OBI75822  Vitis vinifera David Burgess 1967-11-25 13 Sonoma 6 mi NE of Santa Rosa Comment
  CAS-BOT-BC199897  Vulpia bromoides Catherine Best 1980-4-29 s.n. Sonoma Westerbecks [Westerbeke] Ranch near El Verano Comment