Search Results — 2000 specimen records retrieved (1242 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-BC383910  Abronia latifolia Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma About 2.30 north of Bay Highway 1 near mouth of Salmon River Comment
  UC146774  Abronia umbellata Katharine Brandegee 1905-6-1 Sonoma Bodega Head Comment
  CAS-BOT-BC203226  Abutilon Peter Rubtzoff 1971-6-5 6509 Sonoma Bennett Valley Road, 4.25 mi. west of Glen Ellen Comment
  POM161248  Acaena pinnatifida var. californica Rimo Bacigalupi 1928-6-18 1903 Sonoma Beach at mouth of Salmon Creek, 2 miles N of Bodega Bay. Comment
  UCD84279  Acaena pinnatifida var. californica Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC451113  Acaena pinnatifida var. californica Walter Knight; Irja Knight 1963-8-13 137 Sonoma Horsehoe Cove Comment
  CDA40635  Acaena pinnatifida var. californica M. Lusk 1967-5-5 s.n. Sonoma Christmas tree planting, Santa Rosa. 0 Comment
  UC70393  Acer macrophyllum Milo S. Baker April 1898 606 Sonoma Santa Rosa Creek Canyon 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
  CAS-BOT-BC332756  Acer macrophyllum J. W. Congdon May, July (no year stated) s.n. Sonoma Unspecified Comment
  UC1171645  Acer negundo var. californicum H. S. Yates 1934-4-21 3809 Sonoma near Markham; Duncan's Mills Quad., near Markham 15 Comment
  CAS-BOT-BC30086  Achillea millefolium Roxana S. Ferris 1937-8-18 9377 A Sonoma near mouth of Salmon Creek on Bodega Bay Comment
  UCR23388  Achlys californica John C. Roos 1957-7-2 6646 Sonoma Miller Ridge Comment
  CAS-BOT-BC166797  Achyrachaena mollis Peter Rubtzoff 1974-5-18 7425 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA783731  Achyrachaena mollis Peter Rubtzoff 1974-5-18 7425 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCD148449  Achyrachaena mollis Peter Rubtzoff 1963-6-18 5180 Sonoma Bennett Mountain Lake. Comment
  SD37777  Acmispon americanus Edith A. Purer 1932-7-24 4071 Sonoma Canyon west of Santa Rosa Comment
  HSC101108  Acmispon grandiflorus var. grandiflorus Peter Warner 2011-6-16 214 Sonoma Jenner Headlands property, northeastern area, on ridge between Jenner Gulch and Kidd Creek watersheds, ~ 200 m fr. boundary with E&P Ranch 470 Comment
  UCD144411  Acmispon nevadensis G. F. Hrusa 1993-6-24 11238 Sonoma Mt. San Jacinto State Park. Common, flowers pale yellow. Comment
  UCSB50219  Acmispon strigosus Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 18 Comment
  RSA12255  Aconitum columbianum var. columbianum Carl B. Wolf 1934-6-29 5800 Sonoma 6/10 of a mile inland from Stewart's Point. 61 Comment
  CAS-BOT-BC391714  Actaea rubra L. R. Abrams 1920-7-3 7602 Sonoma Gualala River, near Mendocino - Sonoma County Line Comment
  CAS-BOT-BC29846  Adenocaulon bicolor Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  UCD112602  Adenostoma fasciculatum Jennifer Bury; Peggy Herzog 1993-5-8 270 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 Mountain 1 mile. Near visitor center, 100 feet above parking lot, along Lower Bald Mountaing Trail. 402 Comment
  CAS-BOT-BC65530  Adiantum aleuticum Greg de Nevers 1987-4-25 8163 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  HSC949  Adiantum aleuticum F. Demostene 1966-4-8 37 Sonoma 25 mi. W of Healdsburg Comment
  RSA12257  Adiantum aleuticum C. B. Wolf 1934-6-29 5802 Sonoma 6/10 of a mile inland from Stewart's Point. 61 Comment
  SJSU2057  Adiantum capillus-veneris A. Bascom 1958-5-16 Sonoma Crane Valley Rd 16 mi SE of Santa Rosa Comment
  CAS-BOT-BC368050  Aegilops triuncialis Greg de Nevers 1989-6-8 9074 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UCR254921  Aegilops triuncialis Greg de Nevers 1989-1 9066 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC202704  Aesculus californica A. A. Heller 1902-6-4 5644 Sonoma Santa Rosa Comment
  UCD136674  Aesculus californica C. Wistrom 1996-5-26 29 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  UCD160822  Agoseris grandiflora James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3374 Sonoma Section 10, along Geysers Road, ca. 1 mile west of the Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  UC891242  Agoseris grandiflora var. grandiflora Alice Eastwood 1921-5-8 10481 Sonoma Petaluma Comment
  RSA0065936  Agropyron Greg de Nevers 1989-04 9065 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  CAS-BOT-BC210006  Agrostis Peter Rubtzoff 1964-7-29 s.n. Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC210016  Agrostis Peter Rubtzoff 1968-7-13 5914 Sonoma Upper Salmon Creek Marsh Comment
  CAS-BOT-BC361297  Agrostis Greg de Nevers 1997-5-8 10992 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa, on Oak Hill Ranch 457 Comment
  RSA785902  Agrostis Peter Rubtzoff 1964-7-14 5403 Sonoma Bennett Mtn. Lake Comment
  RSA785905  Agrostis Peter Rubtzoff 1967-8-22 5855 Sonoma SE of Lower Salmon Creek Marsh Comment
  SACT000118  Agrostis alba Herbert Mason 1946-7-4 Sonoma Pitkin Marsh, btw Santa Rosa and Forestville Comment
  UC1153791  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma 4.6 mi n Salmon Creek (Duncan's Point, Sonoma Coast State Park); Sonoma Coast State Park, Salmon Creek Comment
  SEINET3916115  Agrostis clivicola Beecher Crampton 1957-7-11 4320 Sonoma Sonoma County, 0.5 mile north of Salmon Creek, Sonoma Coast state park, along State Highway 1.; 0 Comment
  UCD51890  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach. Comment
  UCD51896  Agrostis densiflora Beecher Crampton 1957-7-22 4391 Sonoma 11.1 miles south of Stewart's Point, above Stillwater Cove. Comment
  UCD52002  Agrostis densiflora Beecher Crampton 1957-7-11 4332 Sonoma Sonoma Coast State Park, 0.9 mile north of Salmon Creek. Comment
  CAS-BOT-BC126967  Agrostis exarata A. A. Heller 1902-6-7 5654 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC126968  Agrostis exarata A. A. Heller 1902-6-27 5779 Sonoma West of Windsor near Russian River. Comment
  CAS-BOT-BC126972  Agrostis exarata G. DeNevers 1981-5-23 1288 Sonoma Pepperwood Ranch. Lower Pepperwood entrance. BLM. Comment
  UC1146692  Agrostis exarata Freed W. Hoffman 1943-10-2 2171 Sonoma on Ross Road near Graton; North Coast Ranges Comment
  UCD52441  Agrostis exarata H. S. Yates 1937-6-6 6577 Sonoma 3 miles W of Santa Rosa. 45 Comment
  UCD52229  Agrostis exarata var. pacifica Beecher Crampton 1957-7-22 4381 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  CAS-BOT-BC139553  Agrostis gigantea Peter Rubtzoff 1951-7-21 514 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower Marshes. Comment
  SEINET6762812 Image available Agrostis gigantea A. A. Beetle 1941-1 2855 Sonoma 5 mi S of Steward [Stewarts] Point Comment
  CAS-BOT-BC139511  Agrostis hallii K. Wagnon 1939-5-21 216 Sonoma Near Wagon home, five miles west of Sebastopol. Comment
  UC1146695  Agrostis hallii Freed W. Hoffman 1941-6-20 2093 Sonoma near Camp Meeker (Oregon Canyon); North Coast Ranges, Oregon Canyon Comment
  CAS-BOT-BC138856  Agrostis microphylla Beecher Crampton 1966-5-10 7727 Sonoma 6.5 miles north of Sonoma, State Highway 12. Comment
  UCD53044  Agrostis microphylla Freed W. Hoffman 1947-4-10 1944 Sonoma Vernal pool at The Geysers. Comment
  UCD53051  Agrostis microphylla Freed W. Hoffman 1944-5-30 2013 Sonoma Russian River, Guernewood Park. Comment
  SEINET197664  Agrostis microphylla Leo Koch 1940-4-22 837 Sonoma Sulfur Creek Geysers: grassy hills above Comment
  CAS-BOT-BC138915  Agrostis pallens R. F. Hoover 1965-6-29 9477 Sonoma North of summit on Harrison Grade road near Occidental. Comment
  CAS-BOT-BC138923  Agrostis pallens G. DeNevers 1981-5-30 1421 Sonoma Pepperwood Ranch. West facing slope above the Garrison Gate. Comment
  UCD53076  Agrostis pallens R. Tofsrud 1941-7-1 128 Sonoma Parker Hill, Santa Rosa. Comment
  UCD53234  Agrostis pallens P. B. Kennedy 1918-5-25 s.n. Sonoma Santa Rosa, Calistoga Road. Comment
  SEINET7594124 Image available Agrostis perennans A. A. Beetle 1941-1 2855 Sonoma 5 miles south of Steward Point 24 Comment
  UC50680  Aira Michener and Bioletti May 1892 Sonoma S. Los Guilicos Comment
  CAS-BOT-BC176185  Aira caryophyllea Peter Rubtzoff 1974-5-25 7459 Sonoma Upper Green Valley Marsh. Comment
  UCD165152  Aira caryophyllea Peter Rubtzoff 1974-5-18 7438 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  UCD55773  Aira caryophyllea Gerry North 1993-4 31 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 picnic site across from parking lot east of kiosk. 381 Comment
  CAS-BOT-BC138389  Aira caryophyllea var. capillaris G. DeNevers 1981-5-5 945 Sonoma Pepperwood Ranch. Hansel's cow pasture. On the trail across the driveway to the Pippindale Garden. Comment
  CAS-BOT-BC138210  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1960-5-18 4372 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC257361  Alisma Peter Rubtzoff 1977-8-12 9114 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCR279880  Alisma lanceolatum Peter Rubtzoff 1976-5-30 8570 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  CAS-BOT-BC445330  Alisma lanceolatum Peter Rubtzoff 1962-7-28 5012 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  UC455143  Alisma plantago-aquatica I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  CAS-BOT-BC182744  Alisma triviale Peter Rubtzoff 1970-8-18 6304 Sonoma Five miles north of Sears Point Comment
  CAS-BOT-BC445462  Alisma triviale Peter Rubtzoff 1955-10-12 2168 Sonoma East Guernewood, near Guerneville. Comment
  CAS-BOT-BC445477  Alisma triviale Walter Knight; Irja Knight 1965-9-12 1187 Sonoma Newanga Road, Santa Rosa. Comment
  CAS-BOT-BC445478  Alisma triviale Walter Knight; Irja Knight 1965-9-12 1188 Sonoma Newanga Road, Santa Rosa. Comment
  CAS-BOT-BC462391  Allium amplectens Greg de Nevers 1997-5-3 10154 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  UCD35882  Allium amplectens Beecher Crampton 1966-5-10 7731 Sonoma 6.5 miles n. of Sonoma, State Hwy. 12. Comment
  CAS-BOT-BC462383  Allium amplectens Milo S. Baker 1927-6-19 2211 a Sonoma Macartney Woods Comment
  UCSC000151  Allium unifolium Beryl O. Schreiber 1934-5-16 1120 Sonoma Healdsberg, Fitch Mountain Road Comment
  CAS-BOT-BC474308  Allium unifolium Milo S. Baker 1927-5-6 21156 Sonoma Bennet Val near Highway Comment
  CAS-BOT-BC474317  Allium unifolium D. E. Breedlove 1980-5-3 44654 Sonoma Pepperwood Ranch W. of Knights Valley Comment
  JEPS52302  Allotropa virgata Wayne Roderick 1967-6-18 Sonoma On the Ida Clayton Road Northwest of Mt. St. Helena 609 Comment
  UCR244605  Alnus Peter Rubtzoff 1969-7-21 6118 Sonoma Duncan Mills Marsh 2 Comment
  RSA800597  Alnus rhombifolia Peter Rubtzoff 1960-9-15 4549 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC169363  Alnus rubra Peter Rubtzoff 1957-6-28 3386 Sonoma Duncans Mills Marsh, upper part of the marsh Comment
  CAS-BOT-BC138152  Alopecurus aequalis var. aequalis Peter Rubtzoff 1955-8-27 2100 Sonoma Bennette Mountain Lake. Comment
  CAS-BOT-BC138047  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1955-5-21 1882 Sonoma Ross Marsh. Comment
  CAS-BOT-BC138048  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1959-5-31 4083 Sonoma Freestone Marsh. Comment
  JEPS68433  Alopecurus saccatus R. Kuhn 1913-4-15 Sonoma Sonoma Comment
  CAS-BOT-BC540839  Amaranthus Peter Rubtzoff 1973-8-20 7235 Sonoma Sonoma Creek bottom hear Agua Caliente Road crossing W of Agua Caliente Comment
  RSA301113  Amelanchier pallida D. C. Michener 1982-7-26 4120 Sonoma Graton road 3.1 miles W of RR xing in Graton, 2.7 miles E of jct with Bohemian Hwy. Comment
  CAS-BOT-BC157697  Ammannia coccinea Peter Rubtzoff 1963-8-24 5238 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC177225  Amorpha californica var. napensis Rimo Bacigalupi 1927-9-3 1799 Sonoma 2 miles northwest of Cazadero on road to Seaview Comment
  CAS-BOT-BC177232  Amorpha californica var. napensis W. P. Vestal; A. G. Vestal 1947-5-16 s.n. Sonoma About 8.2 miles east of Windsor Comment
  CAS-BOT-BC222275  Amsinckia Alice Eastwood 1933-5-7 18843 a Sonoma Sonoma Comment
  CAS-BOT-BC26834  Amsinckia hispidula Alice Eastwood 1915-6-5 4582 Sonoma Petrified Forest Comment
  CDA36951  Anagallis arvensis CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCD117444  Anagallis arvensis Charles B. Heiser Jr. 1946-4-14 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC137786  Andropogon virginicus var. virginicus Peter Rubtzoff 1951-9-15 754 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the estern. Comment
  CAS-BOT-BC137792  Andropogon virginicus var. virginicus R. D. Stone 1983-6-16 555 Sonoma At the Little Geysers, upper Big Sulphur Creek drainage. 701 Comment
  UC573792  Andropogon virginicus var. virginicus Virginia Bufford 1936-9-10 Sonoma 2 mi se Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  HSC71481  Angelica californica J. M. DiTomaso 1980-6-13 1596 Sonoma 4900 Trinity Rd., between Glen Ellen and Oakville Comment
  RSA22250  Angelica californica Alice Eastwood, John Thomas Howell 1938-7-6 6084 Sonoma Alder Glen Springs Comment
  CAS-BOT-BC221432  Angelica hendersonii Alice Griffin 1925-7-1 s.n. Sonoma Stewarts Pt. Comment
  CAS-BOT-BC271441  Anisocarpus madioides Mary P. Wells 1981-4-18 s.n. Sonoma Near So. Fork Gualala R., the Sea Ranch Comment
  UCD129047  Anthemis cotula Frederica Bowcutt 1994-6-24 1890 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. Vista Trail about 1/4 way from bald Mountain Trail to Headwaters Trail. 554 Comment
  UCD148326  Anthemis cotula Peter Rubtzoff 1954-7-27 1566 Sonoma Guerneville Marsh. Comment
  POM311191  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma along Highway 101, north of Windsor. Comment
  CAS-BOT-BC280663  Anthoxanthum occidentale J. W. Congdon 1880-5-17 s.n. Sonoma Guerneville Comment
  HSC93590  Anthoxanthum occidentale G. Fred Hrusa, G. L. Stebbins 1994-3-28 11705 Sonoma 14 mi. W of Cazadero Comment
  CAS-BOT-BC137691  Anthoxanthum odoratum Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 3 miles east of Stewarts Point. Comment
  UCD56169  Anthoxanthum odoratum Beecher Crampton 1955-6-17 2940 Sonoma 1/2 mile north of Guerneville, along Fife Creek. 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
  UCD56259  Anthoxanthum odoratum Leo Koch 1940-4-22 841 Sonoma North Bay Counties, along Highway 101, north of Windsor. 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
  JEPS83376  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 327 Sonoma 5.4 mi up Old Cazadero Road (via Cherry Street) from Hwy 116 (in the town of Guernewood Park); Guernewood Park, Cazadero Quad. (7.5', 1943) 243 Comment
  UC717979  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David D. Keck 1944-7-11 5510 Sonoma s bank The Geysers; Mayacamas Range Comment
  UC12042  Aphanes occidentalis F. T. Bioletti 1894-1 Sonoma Hood's Peak Comment
  UC1299575  Apocynum androsaemifolium Freed W. Hoffman 1947-7-29 1418 Sonoma near Guerneville Guerneville (Gabe's Rock); North Coast Ranges, Gabe's Rock Comment
  UC629783  Apocynum androsaemifolium Milo S. Baker 1939-5-19 9334 Sonoma Gravenstein Hwy. ca. 1 mi. s. of Sousa's Cornera Comment
  CAS-BOT-BC394992  Aquilegia formosa Peter Rubtzoff 1952-6-9 1183 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  UC1300971  Aquilegia formosa Helen K. Sharsmith 1963-5-25 5491 Sonoma e Occidental (on Coleman Valley rd); San Francisco Bay region Comment
  UC1073294  Arabis blepharophylla George B. Rossbach 1955-3-19 293 Sonoma n and highest hill Bodega Head 81 Comment
  CAS-BOT-BC128617  Arbutus menziesii Saichi Kawahara 1968-4-20 325 Sonoma Trinity Road, 1 mile northeast of Highway 12 152 Comment
  CAS-BOT-BC128618  Arbutus menziesii Peter Rubtzoff 1951-8-18 615 Sonoma Uppermost part of the western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC128622  Arbutus menziesii J. W. Congdon 1880-10-14 s.n. Sonoma Healdsburg Comment
  RSA629203  Arctostaphylos Jon E. Keeley 1993-9-11 24780 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629204  Arctostaphylos Jon E. Keeley 1993-9-11 24783 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629216  Arctostaphylos Jon E. Keeley 1993-9-11 24777 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629222  Arctostaphylos Jon E. Keeley 1993-9-11 24773 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629225  Arctostaphylos Jon E. Keeley 1993-9-11 24796 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1042531  Arctostaphylos John Thomas Howell 1933-4-2 10948 Sonoma 8 mi w Santa Rosa Comment
  UC665624  Arctostaphylos A. A. Beetle 1940-2-18 1573 Sonoma 10 mi w Santa Rosa; Pitkin Ranch Comment
  CAS-BOT-BC24085  Arctostaphylos bakeri R. F. Hoover 1968-2-23 10896 Sonoma Harrison Grade road near summit Comment
  CHSC67659  Arctostaphylos bakeri James D. Jokerst 1989-4-13 3095 Sonoma NE side of Hawson Grade Rd 0.4 mi N of its junction with Stoetz Rd., ca. 1 mi NE of Camp Meeker, N of Occidental, W of Santa Rosa. 228 Comment
  UC1120878  Arctostaphylos bakeri A. E. Wieslander 1936-9-19 706 Sonoma 1 mi nw Occidental; Sebastopol Quadrangle Comment
  UC1281479  Arctostaphylos bakeri H. E. McMinn 1936-4-5 4409 Sonoma two mi n Occidental Comment
  RSA622702  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24701 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA622705  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24697 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  UCD50474  Arctostaphylos bakeri subsp. bakeri Roman Gankin; W. R. Hildreth 1967-10-4 1074 Sonoma Harrison Grade Road, near summit, east of Occidental. Comment
  RSA339386  Arctostaphylos bakeri subsp. bakeri Roger Raiche 1985-9-29 RR 50899 Sonoma NE end of town of Healdsburg on Reservoir Hill 121 Comment
  RSA622723  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24768 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA622724  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24767 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UCD51489  Arctostaphylos canescens Beecher Crampton 1960-5-17 5541 Sonoma 4.5 miles east of Glen Ellen; Trinity Road. Comment
  CAS-BOT-BC23926  Arctostaphylos canescens subsp. canescens John Thomas Howell 1934-3-3 11748 Sonoma Between Fort Ross and Stwearts Point Comment
  CAS-BOT-BC23975  Arctostaphylos canescens subsp. canescens John Thomas Howell 1934-3-3 11747 Sonoma Between Fort Ross and Stwearts Point Comment
  CAS-BOT-BC23892  Arctostaphylos canescens subsp. sonomensis Walter Knight; Irja Knight 1985-12-29 6376 Sonoma Santa Rosa, Rincon Ridge. Montecito Drive and Rockridge Road, Finley property. 121 Comment
  LA42280  Arctostaphylos canescens subsp. sonomensis H. F. Copeland; 1933-3-18 A 12 Sonoma Rincon Ridge, north of Santa Rosa Comment
  RSA18973  Arctostaphylos canescens subsp. sonomensis J. T. Howell 1937-4-11 12894 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  UC549708  Arctostaphylos canescens subsp. sonomensis J. E. Adams 1935-3-1 1023 Sonoma e Sta. Rosa; Rincon Ridge Comment
  RSA202104  Arctostaphylos canescens var. candidissima Freed W. Hoffman 1948-5-10 2677 Sonoma East face Cobb Mt. 1220 Comment
  CAS-BOT-BC23601  Arctostaphylos columbiana Carl B. Wolf 1927-9-2 1343 Sonoma 2 miles south of Anchor Cove. Comment
  HSC99995  Arctostaphylos columbiana J. P. Smith, , J. O. Sawyer, & R. J. Cole 2009-10-10 12691 Sonoma Salt Point State Park Comment
  UC549700  Arctostaphylos columbiana J. E. Adams 1934-3-28 732 Sonoma seven mi n Fort Ross Comment
  CAS-BOT-BC23649  Arctostaphylos columbiana Alisa S. M. McKenzie 1981-1-29 24 Sonoma Coast between Russian and Gualala Rivers. Calif. State Hwy. #1 at marker #44.55; Comment
  RSA88338  Arctostaphylos densiflora J. T. Howell 1933-4-2 10948 Sonoma 8 miles west of Santa Rosa Comment
  SBBG25391  Arctostaphylos densiflora R. Gankin 1957-11-1 247 Sonoma Vine Hill School Rd, 0.1 mi E of jct with Vine Hill Rd, ca. 10 mi W of Santa Rosa Comment
  SD56794  Arctostaphylos densiflora Darley F. Howe 1963-5-22 3523 Sonoma 10 miles west of Santa Rosa on Vine Hill Road. 149 Comment
  UC549451  Arctostaphylos densiflora J. E. Adams 1934-3-28 724 Sonoma Vine Hill School Sta. Rosa Comment
  UCD50799  Arctostaphylos densiflora Roman Gankin; W. R. Hidlreth 1967-10-3 1070 Sonoma Along Vine Hill School Road, ca. 1/2 mile east of Vine Hill Road. Comment
  OBI7428  Arctostaphylos densiflora Melinda Doud 1976-5-29 89 Sonoma Just N of Santa rosa Comment
  RSA96837  Arctostaphylos densiflora Percy C. Everett, E. K. Balls 1954-10-20 20383 Sonoma 2.1 mi. NE of Occidental on road to Graton and Hwy 12. 91 Comment
  JEPS83504  Arctostaphylos glandulosa Jack and Betty Guggolz 1986-3-8 854 Sonoma ne side of Rockpile Rd. 9.1-9.3 mi from jnt. Stewart's Point Rd. (ca 15 mi nw of Healdsburg) Comment
  CAS-BOT-BC23289  Arctostaphylos glandulosa subsp. cushingiana Lewis S. Rose 1955-3-21 55035 Sonoma Rincon Ridge 2 mi. NE of Santa Rosa 152 Comment
  CAS-BOT-BC23290  Arctostaphylos glandulosa subsp. cushingiana John Thomas Howell 1933-4-1 10928 Sonoma Slopes of Triniti Mt., 2 miles NE of Glen Ellen Comment
  CAS-BOT-BC23291  Arctostaphylos glandulosa subsp. cushingiana P. C. Everett; E. K. Balls 1954-10-20 20378 Sonoma 4.9 mi. s.w. of Lake-Sonoma Co. line, w. slopes of Mt. St. Helena. 533 Comment
  JEPS79449  Arctostaphylos glandulosa subsp. glandulosa Edward Lee with W. A. Setchell 1936-6-7 2197 Sonoma s ridge Bohemian Grove Comment
  JEPS81245  Arctostaphylos glandulosa subsp. glandulosa Edward Lee with W. A. Setchell 1936-6-8 2211 Sonoma North Ridge Fire Trail near junction of Trail 3A; Bohemian Grove Comment
  RSA631187  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24725 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA631196  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24732 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA339413  Arctostaphylos hispidula Roger Raiche 1984-2-26 RR 40044 Sonoma On Rockpile Road ca. 9.1 miles north of origin of Skaggs Springs-Stewarts Point Road 502 Comment
  CAS-BOT-BC39109  Arctostaphylos hispidula Walter Knight; Irja Knight; P. V. Wells 1985-12-30 6325 Sonoma Rockpile Road above Lake Sonoma Comment
  CAS-BOT-BC39112  Arctostaphylos hispidula Roger Raiche 1984-1-14 40018 Sonoma Kelly Road (about 5.3 miles northwest from its intersection with Rockpile road). 518 Comment
  SEINET11993696  Arctostaphylos hispidula Unknown 1984-1 RR 40541 Sonoma Rockpile Road, 7.8 mi N of its beginning at intersection of Skaggs Springs-Stewarts Point Rd 549 Comment
  CAS-BOT-BC24406  Arctostaphylos manzanita Roger Raiche; Steve Edwards; Walter Knight; Irja Knight 1983-7-3 4753 Sonoma Populations samples from n. end of study area. The Cedars, near Cazadero. 274 Comment
  CAS-BOT-BC38985  Arctostaphylos manzanita Roger Raiche 1983-7-6 30585 B Sonoma In chaparral on serpentinite soil near old mine building, Layton Mine, Austin Creek, The Cedars. Comment
  CAS-BOT-BC38994  Arctostaphylos manzanita Roger Raiche; Stephen W. Edwards 1983-6-9 101 Sonoma The Cedars. On serpentinite, east of ridge on Twitchell property near Cazadero. 274 Comment
  RSA633061  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24712 Sonoma Along Calistoga Road, 18 km southwest of Highway 128. 220 Comment
  SBBG119553  Arctostaphylos manzanita C. Bornstein, E. Collins 2006-8-24 Sonoma Rincon Ridge Park Sensitive Area, Park Gardens Drive off Rincon Ridge Drive 259 Comment
  UCD59184  Arctostaphylos manzanita Roger Raiche 1982-11-21 20862 Sonoma Above Gilliam Creek, East Austin Creek State Rec. Area. Comment
  UCD59187  Arctostaphylos manzanita Roger Raiche 1982-11-20 20860 Sonoma On serpentine of Morrison Ridge. Gilliam Greek watershed. East Austin Creek State Rec. Area. 304 Comment
Read comments
Oct 17 2013
  SEINET11990966  Arctostaphylos manzanita Unknown 1983-1 30499 K Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11993337  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4753 Sonoma The Cedars, near Cazadero, on Twitchell Ranch 274 Comment
  UCD51915  Arctostaphylos manzanita C. M. Belshaw 1936-3-7 1561 Sonoma 1/2 mile NW of Trenton. 60 Comment
  UCD52252  Arctostaphylos manzanita Freed W. Hoffman 1947-3-11 822 Sonoma Duvoul Creek, a branch of Dutch Bill Creek. Comment
  RSA21886  Arctostaphylos manzanita subsp. bakeri Alice Eastwood, John Thomas Howell 1939-4-2 7376 Sonoma Near Camp Meeker on road to Monte Rio Comment
  SEINET11987123  Arctostaphylos manzanita subsp. bakeri S. W. Edwards 1981-1 s.n. Sonoma Green Hill Rd Comment
  SEINET11995499  Arctostaphylos manzanita subsp. bakeri Unknown 1986-1 60001 Sonoma NE of Healdsburg, Reservoir Hill 122 Comment
  CAS-BOT-BC38903  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7949 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38910  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 11764 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38911  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38946  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 11760 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38922  Arctostaphylos manzanita subsp. glaucescens P. V. Wells; Walter Knight; Irja Knight 1986-1-10 5223 Sonoma Next to Carlton Spridgeon's mailbox on Rockridge Lane, Rincon Ridge, Santa Rosa. Comment
  SEINET11994915  Arctostaphylos manzanita subsp. glaucescens W. Knight, Knight, I. 1987-1 6083 Sonoma Pepperwood Preserve, Garrison Canyon 122 Comment
  CAS-BOT-BC38704  Arctostaphylos manzanita subsp. manzanita A. A. Heller; H. E. Brown 1902-3-20 5107 Sonoma Near Windsor Comment
  CAS-BOT-BC38708  Arctostaphylos manzanita subsp. manzanita L. R. Abrams 1916-7-4 5781 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC38725  Arctostaphylos manzanita subsp. manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1073 Sonoma .2 mile along Wine Creek Road from west Dry Creek Road, near Healdsburg Comment
  JEPS38656  Arctostaphylos manzanita subsp. manzanita W. L. Jepson 1914-9-19 6192 Sonoma Agua Caliente 42 Comment
  RSA44376  Arctostaphylos manzanita subsp. manzanita L. S. Rose 1949-3-27 49016 Sonoma East of Beltane. 114 Comment
  UC1121475  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1938-10-29 835 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
  UCD110453  Arctostaphylos manzanita subsp. manzanita Christopher Mallek 2008-1 s.n. Sonoma Hooker Canyon. 590 Comment
  RSA96685  Arctostaphylos manzanita subsp. manzanita P. C. Everett, E. K. Balls, George B. Everett 1954-10-20 20379 Sonoma Rincon Ridge, about 2 mi. n.e. of Santa Rosa off Hwy 12. 137 Comment
  HSC99997  Arctostaphylos nummularia subsp. nummularia J. P. Smith, , J. O. Sawyer, & R. J. Cole 2009-10-10 12693 Sonoma Salt Point State Park Comment
  CAS-BOT-BC47333  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1964-1-17 517 Sonoma Upper Hooker Canyon. Cloverdale Rd. Comment
  CDA12041  Arctostaphylos stanfordiana G. F. Hrusa 1990-1-2 7350 Sonoma North Coast Biodiversity Arena; NW slopes of Hogback Mtn. approx. 4 km. NE of Sonoma. Comment
  RSA380886  Arctostaphylos stanfordiana Roger Raiche 1982-4-10 RR- 20301 G Sonoma King Ridge Rd. (4.5 mi. n. of jct. with Ft. Ross Rd.) about .7 mi. in from King Ridge Rd. on Old Layton Mine Road. On topo map area is called The Cedars. North of Cazadero. Comment
Read comments
Oct 17 2013
  RSA636807  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24745 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636810  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24754 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636811  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24753 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC549546  Arctostaphylos stanfordiana J. E. Adams 1934-3-10 638 Sonoma Mt. St. Helena Comment
  UC674756  Arctostaphylos stanfordiana E. A. Goldman 1907-12-29 Sonoma se slope Mt. St. Helena 1066 Comment
  UCD53849  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 688 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
  SEINET11984943  Arctostaphylos stanfordiana Unknown 1966-1 692 Sonoma Rincon Ridge, near end of Parker Hill Rd, ca 4 mi N of Santa Rosa Comment
  SEINET11987349  Arctostaphylos stanfordiana W. Knight, Knight, I. 1981-1 3960 Sonoma 2.3 mi up Cavedale Rd from junction of CA 12 Comment
  UC725948  Arctostaphylos stanfordiana A. A. Heller 1942-3-15 16394 Sonoma just ne Santa Rosa; Rincon Ridge Comment
  JEPS83503  Arctostaphylos stanfordiana subsp. decumbens Jack and Betty Guggolz 1986-2-9 843 Sonoma just inside conservation easement at end of Bluesage Court; Southridge Development Comment
  JEPS95233  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  JEPS95234  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  UC1520696  Arctostaphylos stanfordiana subsp. decumbens R. Raiche 1985-2-3 50041 Sonoma unnamed ridge on w side Dry Creek Valley (n of Crane Creek and s of Bradford Mt.) 182 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
  RSA517038  Arctostaphylos stanfordiana subsp. stanfordiana Jack Guggolz, Betty Guggolz 1986-2-9 844 Sonoma North of Guerneville Road and west of Frei Road. Comment
  SEINET11995501  Arctostaphylos stanfordiana var. repens W. Knight, Knight, I.; Edwards, S. 1985-1 6051 Sonoma Chapman Branch of Crane Creek, near Dorman Canyon 265 Comment
  UC549530  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 746 Sonoma 1 mi s McNamees Store Comment
  SEINET11989194  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
  SEINET11989677  Arctostaphylos viscida Unknown 1982-1 20656 Sonoma East Austin Creek State Park, nr intersection of Gilliam Creek & Schoolhouse Creek along old mine rd Comment
  SEINET11991028  Arctostaphylos viscida W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4750 Sonoma The Cedars, on Twitchell Ranch near Cazadero 305 Comment
  UC1220419  Arctostaphylos viscida subsp. pulchella J. A. Delapp 1962-3-10 62 Sonoma 4.1 mi ne Cazadero; Quad 61D-$, Gilliam Creek 167 Comment
Read comments
Mar 7 2016
  CAS-BOT-BC47470  Arctostaphylos viscida subsp. viscida Stephen W. Edwards 1981-2-16 s.n. Sonoma north of Adobe Canyon Road, just outside of w. boundary Sugarloaf Ridge State Park. 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
  UCD19910  Armeria maritima subsp. californica C. H. Lamoureux; J. M. Tucker, J. McCaskill, and S. Armstrong 1957-4-7 1191 Sonoma Duncan Point, Sonoma Coast State Park. 15 Comment
  CDA391  Arnica discoidea D. G. Kelch 2003-7-14 3 .376 Sonoma Cavedale Road. Comment
  JEPS35855  Arnica discoidea M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma between Guerneville and Monte Rio Russian River Comment
  SEINET10887982  Arrhenatherum elatius P. Rubtzoff 1979-8-5 Rubtzoff 9302 Sonoma Freestone Marsh area; along Bohemian Highway at Freestone Flat Road junction, southeast of Freestone Marsh. Comment
  SEINET14286772  Arrhenatherum elatius D. Keil 1983-1 17210 Sonoma Stillwater Cove Regional Park Comment
  CAS-BOT-BC97233  Artemisia suksdorfii J. Clausen 1939-7-20 1715 Sonoma along road just north of Jenner, towards Fort Ross Comment
  SEINET196505  Artemisia vulgaris J. D. Skoss 1948-7-25 41 Sonoma Sonoma County: Shellville. Comment
  UC6177  Asarum caudatum Dr. Lorini Jun 1896 Sonoma Mount St. Helena Comment
  UC449992  Asclepias cordifolia Milo S. Baker 1898-7-12 676 Sonoma Geyser Canyon Comment
  JEPS49956  Asclepias fascicularis W. L. Jepson 1921-9-12 9487 Sonoma Alexander Valley 45 Comment
  UC449988  Asclepias fascicularis Harriet A. Walker 1908-6-7 1164 Sonoma Santa Rosa Comment
  SEINET10637049  Asclepias fascicularis A. Arthur Heller 1902-6-4 Heller 5643 Sonoma Santa Rosa Comment
  UCD168056  Asclepias solanoana James Neilson 1978-6-17 3967 Sonoma Mayacmas Mountains, near Shell Well Site E. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  RSA224317  Asparagus officinalis Peter Rubtzoff 1961-8-26 4726 Sonoma Vacation Beach, near Guerneville. Banks of Russian River. Comment
  JEPS343  Aspidotis californica F. T. Bioletti 1892-5-15 Sonoma Hoods Peak Comment
  CAS-BOT-BC68782  Aspidotis densa Donald Branscomb; Harry K. Roberts 1958-6-14 s.n. Sonoma Serpentine hills near Guerneville Comment
  UCD137288  Aspidotis densa Frederica Bowcutt 1994-7-5 1939 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 about 1/4 air mile N of Sonoma Creek and W of Bear Creek road cut along dirt road at intersection wih Goodspeed Trail. 326 Comment
  CAS-BOT-BC371456  Asteraceae Greg de Nevers 1989-4-1 9054 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By tank at Skovie. 400 Comment
  UCR143601  Astragalus G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  CAS-BOT-BC180467  Astragalus breweri A. A. Heller; H. E. Brown 1902-4-4 s.n. Sonoma Hills East of Santa Rosa Comment
  CAS-BOT-BC376340  Astragalus breweri Greg de Nevers 1998-6-10 11278 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  POM253202  Astragalus breweri A. A. Heller, H. E. Brown 1902-4-4 7747 Sonoma Hills east of Santa Rosa Comment
  UC1199085  Astragalus breweri Joseph P. Tracy 1921-5-26 5798 Sonoma 6 mi nw Cloverdale (moist flat along highway); Northern Coast Ranges, nw of Cloverdale 304 Comment
  CAS-BOT-BC180468  Astragalus breweri Milo S. Baker 1932-4-27 5942 Sonoma Calistoga Geysers Comment
  RSA415795  Astragalus claranus J. T. Howell 1931-4-19 6431 Sonoma 12.5 miles from St. Helena on Spring Mountain Road to Santa Rosa. Comment
Read comments
Nov 17 2007
  UC82559  Astragalus clevelandii Edward Lee Greene 1883-8-22 Sonoma n side Mt. St. Helena Comment
  JEPS112827  Astragalus gambelianus Dean W. Taylor 1994-5-4 14215 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  CAS-BOT-BC186826  Astragalus gambelianus G. DeNevers 1981-4-25 833 Sonoma Lower Pepperwood entrance Comment
  RSA227214  Athyrium filix-femina subsp. cyclosorum Peter Rubtzoff 1957-6-28 3384 Sonoma Ducans Mills Marsh Comment
  RSA0018574  Atriplex Peter Rubtzoff 1956-9-15 2898 Sonoma Atascadero Creek Marsh. Comment
  UCD38528  Avena Beecher Crampton 1956-3-13 3227 Sonoma Asti. 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-BC145729  Avena sativa David L. Morgan 1956-5-17 s.n. Sonoma Watmaugh Road, 0.5 mile west of junction of Arnold Drive. Comment
  CAS-BOT-BC68342  Azolla filiculoides Peter Rubtzoff 1959-6-13 4133 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC68338  Azolla filiculoides Peter Rubtzoff 1963-6-22 5189 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC154152  Baccharis douglasii Peter Rubtzoff 1955-9-24 2148 Sonoma Duncans Mills Marsh. Comment
  UCD148379  Baccharis glutinosa Peter Rubtzoff 1955-9-24 2147 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC99782  Baccharis salicifolia Alice Eastwood 1921-5-8 10464 Sonoma Petaluma Comment
  CAS-BOT-BC173609  Barbarea Peter Rubtzoff 1989-3-13 9981 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  UCD163789  Barbarea Peter Rubtzoff 1989-3-13 9981 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CDA18777  Barbarea orthoceras Boris Korotyaev 2000-3-26 s.n. Sonoma Northern California; Coleman Valley Rd. 4 km. W of Occidental. 0 Comment
  CAS-BOT-BC145826  Beckmannia syzigachne Peter Rubtzoff 1958-8-16 3876 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC145834  Beckmannia syzigachne J. W. Congdon 1880-5-31 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC145843  Beckmannia syzigachne Peter Rubtzoff 1961-6-17 4630 Sonoma Bennett Mountain Lake. Comment
  UCD56804  Beckmannia syzigachne H. S. Yates 1936-5-16 5620 Sonoma California Forest and Range Experiment Station. Near Green Valley School. 91 Comment
  RSA129086  Beckmannia syzigachne H. S. Yates 1937-5-6 6576 Sonoma Near Wildwood; Santa Rosa 122 Comment
  UCD56805  Beckmannia syzigachne Lloyd M. Harwood 1972-5-25 s.n. Sonoma Near Petaluma. Comment
  CDA43436  Bellardia trixago Stephanie Larson 2015-7-21 PDR# 49 UP06191162 Sonoma Near Highway 37. 0 Comment
  JEPS59677  Beta vulgaris J. Burtt Davy 1897-9-19 4059 Sonoma Petaluma Comment
  CAS-BOT-BC102007  Bidens frondosa Milo S. Baker 1946-8-17 11560 Sonoma The Laguna at Crossing of the Occidental Rd. Comment
  CAS-BOT-BC290660  Bidens frondosa Peter Rubtzoff 1973-9-4 7297 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC290573  Bidens laevis Peter Rubtzoff 1963-10-23 5299 Sonoma Pitkin Marsh, near Forestville. Comment
  JEPS25829  Blennosperma bakeri Wayne Roderick 1961-4-2 Sonoma 0.8 mi n of junction of State Highway 37 and Arnold Drive; on the e side of Arnold Drive Comment
  UC1224619  Blennosperma bakeri Peter H. Raven 1963-4-28 18251 Sonoma 4.7 mi s of, on Arnold Drive El Verano Comment
  JEPS83485  Blennosperma bakeri Jack and Betty Guggolz 1986-3-14 856 Sonoma n of, w of Hwy 12, n side of Bonneau road Bonneau Comment
  UC30585  Blennosperma nanum var. nanum F. T. Bioletti 1893-4-1 Sonoma Kenwood Comment
  RSA790899  Boisduvalia Peter Rubtzoff 1974-5-26 7491 Sonoma 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA790716  Boisduvalia densiflora Peter Rubtzoff 1961-7-22 4660 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC28224  Bolboschoenus fluviatilis Peter Rubtzoff 1958-5-11 3656 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road. Comment
  CAS-BOT-BC290565  Bolboschoenus maritimus subsp. paludosus Peter Rubtzoff 1960-10-29 4579 Sonoma Bodega Harbor Marsh. Comment
  UC903746  Bolboschoenus robustus Milo S. Baker 1946-7-28 11541 Sonoma On Sear's Point Highway. Comment
  SEINET11750298  Bolboschoenus robustus W. Knight, Knight, I. 1984-1 5426 Sonoma Willow Creek Rd 61 Comment
  UC20849  Bowlesia incana Bolander 1866-4-11 4633 Sonoma Petaluma Comment
Read comments
Mar 13 2009
  CAS-BOT-BC95316  Bowlesia incana Leo Koch 1939-4-23 588 Sonoma Along Game Refuge Road, off Petaluma Hill Road Comment
  UC964743  Boykinia occidentalis R. F. Hoover 1942-7-6 5914 Sonoma canyon s Geysers; canyon s of the Geysers Comment
  CAS-BOT-BC418504  Boykinia occidentalis Mary P. Wells 1984-7-20 386 Sonoma The Sea Ranch; Hot spot (i.e., by So Fork Qualala River). Comment
  CAS-BOT-BC145444  Brachypodium distachyon G. DeNevers 1981-5-15 1188 Sonoma Pepperwood Ranch. On the ridge above Hansel's Lake, in a roadcut. Comment
  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
  CAS-BOT-BC154992  Brassicaceae Peter Rubtzoff 1969-6-22 6100 Sonoma Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road Comment
  CAS-BOT-BC145484  Briza maxima Roxana S. Ferris; Laura Lorraine 1961-6-14 13530 Sonoma Junction of Bittner Road with Joy Road between Occidental and Bodega. Comment
  OBI35095  Briza maxima David J. Keil 1983-6-30 17213 Sonoma Stillwater Cove Regional Park Comment
  CAS-BOT-BC145295  Briza minor John H. Thomas 1976-6-16 18273 Sonoma Souther part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  RSA126875  Briza minor H. S. Yates 1936-5-3 5576 Sonoma 1 mile N.W. of Petrified Forest: Calistoga 305 Comment
  SEINET3921398  Briza minor A. A. Heller 1902-6-7 5649 Sonoma Bennett Valley, S.E. of Santa Rosa.; 0 Comment
  UCD57382  Briza minor Frank H. Takatori 1952-5-11 s.n. Sonoma 1 mile north of Petaluma. Comment
  CAS-BOT-BC478964  Brodiaea californica subsp. californica Greg de Nevers 1991-6-22 9753 Sonoma Pepperwood Natural Preserve 3450 Franz Valley Road 475 Comment
  JEPS27976  Brodiaea elegans subsp. elegans Rimo Bacigalupi and L. Heckard 1961-6-9 7733 Sonoma at junction of Joy Road and Bittner Road 1.75 mi sw Occidental 249 Comment
  UC843568  Brodiaea elegans subsp. elegans Lewis S. Rose 1940-5-22 40363 Sonoma Sonoma 30 Comment
  CAS-BOT-BC486531  Brodiaea elegans subsp. elegans Peter Rubtzoff 1961-6-17 4631 Sonoma Bennett Mountain Lake Comment
  SEINET7040126  Brodiaea pulchella A. G. Vestal 1962-4-12 Sonoma On Mark Springs Road, North of Santa Rosa, 6.4 miles northeast of Route 101. UTM Zone 10, 524439mE, 4265737mN. Comment
  UCD77159  Brodiaea terrestris Robert E. Preston 2005-6-11 2350 Sonoma Irish Hill, along Coleman Valley Rd, ca. 1 mi E of Hwy 1. 208 Comment
  CAS-BOT-BC486462  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1951-6-30 288 Sonoma Uppermost part of the western branch of the Upper Marsh, near the edge of a thickett Comment
  CAS-BOT-BC486477  Brodiaea terrestris subsp. terrestris Peter Rubtzoff; Nancy Harrison 1976-6-18 8642 Sonoma False Lake Meadow area, Annadel State Park. Comment
  RSA155475  Bromus carinatus L. S. Rose 1962-4-18 62024 Sonoma 1 mile NW of Freestone. 76 Comment
  UC1130960  Bromus carinatus var. carinatus H. S. Yates 1937-5-31 6562 Sonoma 2 mi e of Mark West Springs 243 Comment
  UCD58477  Bromus commutatus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3583 Sonoma On Occidental Road near Barstow Station. Comment
  UCD58474  Bromus commutatus B. Crampton 1955-5-8 2820 Sonoma Hwy. 128. Alexander Valley. Comment
  UCR248720  Bromus diandrus Peter Rubtzoff 1964-5-31 5331 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg, along Russian River 61 Comment
  UCD58707  Bromus hordeaceus Mary M. Hektner; Sue Dakuzaku 1974-6-3 18 Sonoma Sea Ranch. Near State Highway 1. Unit 24 Owners' Map. Comment
  UCSB50252  Bromus hordeaceus Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Breach (T6N, R11W) 18 Comment
  SEINET11690157  Bromus hordeaceus W. Knight, Knight, I.; Howell, J. T. 1987-1 6275 Sonoma Todd Road Preserve 24 Comment
  SEINET10524463  Bromus marginatus A. Arthur Heller 1902-4-9 Heller 5247 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  UC903719  Bromus mollis Milo S. Baker 1947-5-7 11741 Sonoma Hood Mountain near Grant Line; Hood Mountain 228 Comment
  UCD60236  Bromus vulgaris P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis. Comment
  SD38261  Cakile edentula var. edentula Edith A. Purer 1932-7-21 4040 Sonoma Bodega Bay Comment
  UC1146621  Calamagrostis bolanderi Freed W. Hoffman 1943-6-20 2058 Sonoma near Salt Point (Eckert Ranch); North Coast Ranges, Sonoma Coast Comment
  RSA0056454  Calamagrostis bolanderi Greg de Nevers 1998-6-15 11287 Sonoma CYO Camp on Bohemian Highway. Comment
  SEINET3924023  Calamagrostis bolanderi Fred W. Hoffman 1943-6-20 2058 Sonoma Eckert Ranch near Salt Point, Sonoma Coast.; 0 Comment
  CAS-BOT-BC185125  Calamagrostis nutkaensis A. G. Vestal 1937-6-18 s.n. Sonoma Stewart's Point. Comment
  CAS-BOT-BC438604  Calandrinia ciliata Peter Rubtzoff 1954-11-18 1765 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC438614  Calandrinia ciliata G. H. Mallory 1920-3-29 s.n. Sonoma East end of Sonoma Ave., Santa Rosa. Comment
  RSA201793  Calendula arvensis W. R. Russell 1967-3-28 s.n. Sonoma At roadside near cemetery at N end of town, Sonoma. Comment
Read comments
Dec 8 2015
  CAS-BOT-BC273242  Calendula arvensis W. R. Russell 1967-3-28 s.n. Sonoma At north end of town, Sonoma Comment
  RSA0035354  Callitriche Peter Rubtzoff 1972-6-29 6813 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC293759  Callitriche heterophylla var. heterophylla Peter Rubtzoff 1961-5-24 4611 Sonoma Upper Stemple Creek Marsh. 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
  CAS-BOT-BC293756  Callitriche palustris Peter Rubtzoff 1969-5-3 6027 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC331476  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4604 Sonoma Upper Stemple Creek Marsh. Comment
  RSA0037209  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4607 Sonoma Upper Stemple Creek Marsh. Comment
  UCR25305  Callitriche verna John C. Roos 1957-7-2 6644 Sonoma Miller Ridge Comment
  JEPS101264  Calochortus amabilis Dean W. Taylor 1994-5-4 14221 Sonoma 1.8 mi N of Camp Meeker along Bohemian Hwy; Dutch Bill Cr drainage just downstream confluence with Duvol Creek 76 Comment
  JEPS61626  Calochortus amabilis F. Hein 1931-4-14 Sonoma Skaggs Spring Comment
  UC72483  Calochortus amabilis Milo S. Baker 1898-4-23 29 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC483286  Calochortus amabilis D. E. Breedlove 1980-6-27 44757 Sonoma Pepper wood Ranch west of Knights Valley Comment
  SEINET8194287  Calochortus amabilis W. Roderick 1967-5-20 s.n. Sonoma Ida Clayton Road, NW side of Mount St. Helena. 305 Comment
  CAS-BOT-BC492633  Calochortus luteus D. E. Breedlove 1980-6-27 44751 Sonoma Pepperwood Ranch W of Knights Valley Comment
  RSA491702  Calochortus luteus James L. Reveal 1987-6-7 6412 Sonoma Along Cavedale Road, about 1.5 mile south of Trinity Road, about 13 airline miles southeast of Santa Rosa 579 Comment
  SD69996  Calochortus luteus Darley F. Howe 1968-5-21 Sonoma 7.7 miles on road east of Petaluma. Comment
  CAS-BOT-BC494024  Calochortus tolmiei Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC494036  Calochortus tolmiei Mary P. Wells 1972-4-22 s.n. Sonoma On mound on Lot 10, unit15 near the cliff, The sea Ranch Comment
  CAS-BOT-BC496928  Calochortus vestae Greg de Nevers 1987-6-1 8186 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  UC762559  Calycadenia multiglandulosa R. F. Hoover 1938-6-14 3610 Sonoma 3 mi w, on road to Occidental Graton Comment
  RSA93402  Calycadenia multiglandulosa subsp. cephalotes Milo S. Baker 1932-6-9 6000 Sonoma 1 mile east of Occidental Comment
  CAS-BOT-BC371472  Calycadenia pauciflora Greg de Nevers 1993-8-7 10484 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa near the barn 400 Comment
  UC479413  Calycadenia pauciflora Marcus E. Jones, A. M. 1931-7-5 29125 Sonoma The Geysers Comment
  UCD158790  Calycadenia truncata James A. Neilson Jr. 1974-6-1 2877 Sonoma Mayacmas Mountains, Geyser Rock, Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  POM215112  Calycadenia truncata subsp. truncata J. T. Howell 1932-10-9 10812 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  CAS-BOT-BC91000  Calycanthus occidentalis H. E. McMinn 1922-6-7 180 Sonoma Near Monte Rio. Comment
  CAS-BOT-BC91001  Calycanthus occidentalis H. E. McMinn 1922-6-7 s.n. Sonoma Along roadside over mountain to Guerneville from Monte Rio. Streams leading into Russian River. Comment
  CAS-BOT-BC91007  Calycanthus occidentalis Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis. Comment
  POM194538  Calycanthus occidentalis Y. Mexia 1929-6-2 2397 Sonoma Near Santa Rosa. Comment
  RSA177998  Calycanthus occidentalis R. F. Thorne 1965-4-19 34301 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  UC1134726  Calypso bulbosa E. Armstrong 1934-3-26 944 Sonoma 2 mi sw of Camp Meeker 121 Comment
  UC571414  Calypso bulbosa Jean Linsdale 1937-2-10 Sonoma Bodega Creek Comment
  UCD160965  Calyptridium umbellatum James A. Neilson Jr. 1975-7-8 3377 Sonoma Mayacmas Mountains. Near U.S. Geothermal 2, 1/2 mile south of Socrates Mine Road. (Elevation and coordinates estimated by label maker.) 914 Comment
  UCSB50197  Calystegia occidentalis Gray, John 1976-5-1 Sonoma Blind Beach; T7N R11W 60 Comment
  UCSB50245  Calystegia occidentalis Gray, John 1976-5-1 Sonoma Bluff above Blind Beach, 1/2 mile west of Highway 1; T7N R11W 60 Comment
  SEINET12329965  Calystegia purpurata subsp. purpurata F. H. Utech 1986-1 86 -097 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  CAS-BOT-BC224744  Calystegia purpurata subsp. saxicola R. K. Brummitt 1997-6-10 19682 Sonoma 1 km S of Sereno Del Mar, just S of Schoolhouse Beach 15 Comment
  SD225766  Calystegia purpurata subsp. saxicola R. K. Brummitt 1997-6-10 19682 Sonoma 1 km S of Sereno Del Mar, just S of Schoolhouse Beach; on to of small sea headland by path down to beach 14 Comment
  UC879463  Calystegia subacaulis subsp. subacaulis Lewis S. Rose 1941-5-22 41251 Sonoma Rincon Ridge, 4 mi E of Santa Rosa. Comment
  CAS-BOT-BC344885  Camassia Peter Rubtzoff 1970-5-10 6214 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC376398  Camassia quamash subsp. linearis Greg de Nevers 1996-4-18 10790 Sonoma Knight's Valley Marsh, on Bavarian Lion Ranch. 137 Comment
  UCD138378  Camassia quamash subsp. linearis Mary M. Hektner 1975-4-27 187 -A Sonoma along path to Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC266421  Campanula californica Peter Rubtzoff 1951-6-30 299 Sonoma The Pitkin Marsh near Forestville. W branch of the Upper Marsh Comment
  UC353824  Campanula californica Milo S. Baker 1928-6-28 3046 b Sonoma Pitkin Marsh Vine Hill District Comment
  UC657708  Campanula californica Milo S. Baker 1941-8-4 10165 Sonoma Coast Hwy between Ft. Ross and Stewart's Point Comment
  SEINET10939079  Campanula californica Baker 1941-8-4 Baker 10165 Sonoma Coast Highway, between Fort Ross and Stewart's Point Comment
  JEPS128326  Campanula griffinii Roger Raiche 2000-6-4 130 .00 Sonoma The Cedars, Gateway Parcel at Christi Camp. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC37195  Capsella bursa-pastoris Walter Knight; Irja Knight 1963-10-6 490 Sonoma Petaluma. Jess Street. Comment
  CAS-BOT-BC37763  Cardamine californica Alice Eastwood 1921-4-24 10387 Sonoma Santa Rosa. Comment
  HSC6696  Cardamine californica R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1329 Sonoma 1 mi. NW of Big Geysers Comment
  RSA128603  Cardamine californica var. integrifolia P. H. Raven 1950-4-6 1558 Sonoma Cotati to Santa Rosa. 46 Comment
  SEINET9367525  Cardamine hirsuta John Nelson, Wnek, Richard 2000-3-8 20950 Sonoma Frequent and weedy in open flower garden; residence/parking lot edge near post office; downtown Guerneville. With Oxalis oregana, Stachys rigida, Nemophila parviflora, Comment
  UC1795018  Carduus R. K. Brummitt, A. Wolf, and R. W. Howe 1998-5-15 19862 Sonoma 17 km NNE of Healdsburg, on Pine Flat Road near Red Hill 650 Comment
  SEINET10799431  Carduus pycnocephalus David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-9 Dunn 20709 Sonoma Coll. 5.3 mi. E of the Jc t. of Hwy. 101 and Hwy. 116 on 116. Rolling hills of grasses. Along the roadside in clay banks. Comment
  CAS-BOT-BC422345  Carex Peter Rubtzoff 1975-7-3 8145 Sonoma Kenwood Marsh. Comment
  UCR255715  Carex abrupta Peter Rubtzoff 1960-5-18 4392 Sonoma Bodega Head Marsh 6 Comment
  CAS-BOT-BC334524  Carex abrupta Peter Rubtzoff 1958-4-26 3585 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UCD112443  Carex athrostachya Peter Rubtzoff 1960-5-15 4325 Sonoma Fife Creek Marsh. Comment
  UCD112444  Carex athrostachya Peter Rubtzoff 1958-7-5 3734 Sonoma Atascadero Creek Marsh. Comment
  UCD112454  Carex athrostachya Peter Rubtzoff 1960-5-20 4395 Sonoma Laguna de Santa Rosa east of Graton (between Occidental and Guerneville roads). Comment
  CAS-BOT-BC19373  Carex barbarae John Kipping 1973-8-8 s.n. Sonoma Dry Creek Road, 12 miles from Healdsburg on road to Stewart Point. Comment
  CAS-BOT-BC310302  Carex barbarae Peter Rubtzoff 1971-8-9 s.n. Sonoma Laguna Lake area, Cileno Valley. Comment
  CAS-BOT-BC34027  Carex brevicaulis John Thomas Howell 1938-7-3 13950 Sonoma Stony Point. Comment
  CAS-BOT-BC20240  Carex densa Peter Rubtzoff 1975-7-3 8150 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC20490  Carex densa John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53974 Sonoma Fairfield Osborn Preserve of the Nature Conservancy. 4.5 miles northeast of Penngrove on the west slope of Sonoma Mt. 457 Comment
  CAS-BOT-BC20514  Carex densa Peter Rubtzoff 1954-6-7 1478 Sonoma Sonoma County Marshes. Guerneville Marsh. Comment
  CAS-BOT-BC20479  Carex densa Alice Eastwood; John Thomas Howell 1936-5-19 2526 A Sonoma 2 miles north of Cloverdale. Comment
  CAS-BOT-BC20497  Carex densa Peter Rubtzoff 1958-5-3 3621 Sonoma Sonoma County Marshes. Atascadero Creek Marsh. Comment
  CAS-BOT-BC20518  Carex densa John Thomas Howell 1943-5-10 17991 Sonoma 1.75 mile N of Windsor. Comment
  RSA94279  Carex dudleyi Peter Rubtzoff 1951-6-16 245 Sonoma N half of lower Pitkin Marsh, SE of Forestville Comment
  CAS-BOT-BC19953  Carex exsiccata A. A. Heller 1902-7-1 5798 Sonoma Lagoon at Sebastopol. Comment
  CAS-BOT-BC20134  Carex feta Peter Rubtzoff 1957-5-11 3328 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC20138  Carex feta Peter Rubtzoff 1951-7-7 370 Sonoma Pitkin Marhses near Forestville. Eastern Branch of the Upper Marsh. Comment
  UCD112453  Carex feta Peter Rubtzoff 1961-6-17 4619 Sonoma Bennett Mountain Lake. Comment
  UC728666  Carex globosa Milo S. Baker 1941-4-5 9925 Sonoma Calistoga-Franz Valley road 1/2 mi s School House (e a short distance on side of road) Comment
  SEINET10879720  Carex globosa Lewis S. Rose 1971-4-30 Rose 71026 Sonoma 3 mi E of Occidental. Serpentine Hills. 183 Comment
  CAS-BOT-BC28327  Carex gracilior John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53970 Sonoma fairfield Osborn Preserve of the Nature Conservancy, 4.5 mi NE of Penngrove 457 Comment
  RSA51940  Carex gynodynama J. T. Howell 1947-6-5 23231 Sonoma Cunningham Marsh Comment
  UC767098  Carex gynodynama Robert F. Hoover 1941-5-14 5080 Sonoma Three miles south of Monte Rio on road to Camp Meeker. Comment
  RSA0023075  Carex gynodynama Peter Rubtzoff 1959-5-31 4085 Sonoma Freestone Marsh. Comment
  UC70632  Carex gynodynama J. Burtt Davy July 1896 Sonoma between Russian River Station and Guerneville (n side of river, in an overflow pool); Russian River Comment
  CAS-BOT-BC320573  Carex harfordii Peter Rubtzoff 1962-6-1 4861 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC311821  Carex lasiocarpa Peter Rubtzoff 1962-4-11 4795 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC419696  Carex lasiocarpa Peter Rubtzoff 1962-5-11 4820 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  HSC7141  Carex leptopoda L. S. Rose 1964-6-3 64051 Sonoma N end of Bodega Bay swamp 2 Comment
  UCR249048  Carex leptopoda Peter Rubtzoff 1954-6-19 1495 Sonoma Guerneville Marsh Comment
  UCR249078  Carex leptopoda Peter Rubtzoff 1964-5-20 5323 Sonoma Bodega Bay Marsh 15 Comment
  SEINET10894836  Carex leptopoda Lewis S. Rose 1964-6-3 Rose 64051 Sonoma N. end of Bodega Bay swamp. 2 Comment
  SEINET7569416 Image available Carex nudata John Thomas Howell 1933-4-2 10931 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC119315  Carex obnupta Peter Rubtzoff 1951-6-10 208 Sonoma Pitkin Marsh, near Forestville. S of the Upper Marsh. Comment
  RSA0025208  Carex obnupta Peter Rubtzoff 1960-5-20 4394 Sonoma Laguna de Santa Rosa east of Graton, between Occidentalis and Guerneville roads. Comment
  UCR249914A  Carex pachystachya var. pachystachya Peter Rubtzoff 1975-7-3 8151 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC118943  Carex pellita John Thomas Howell 1945-8-14 21410 Sonoma Perry marsh. Comment
  RSA51977  Carex pellita J. T. Howell 1945-5-30 s.n. Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC118329  Carex praegracilis John Thomas Howell 1947-6-26 23295 Sonoma Cunningham Marsh Comment
  NY11335  Carex sonomensis T. J. Howell 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  UCD164099  Carex stipata var. stipata Peter Rubtzoff; Nancy Harrison 1978-5-20 9178 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  UCD140874  Carex subbracteata Lewis S. Rose 1964-6-3 64052 Sonoma north end of Bodega Bay. 1 Comment
  UC767096  Carex tumulicola R. F. Hoover 1941-5-14 5077 Sonoma 3 mi s Monte Rio (on road to Camp Meeker) Comment
  CDA36976  Carthamus leucocaulos J. H. Shelgren 1976-5-7 16 Sonoma Vicinity of Asti. 0 Comment
  HSC103378  Carthamus leucocaulos T. C. Fuller 1978-8-17 20253 Sonoma Asti, 1 mi. W of Hwy. 101 freeway exit. Comment
  OBI68597  Carthamus leucocaulos T. C. Fuller 1978-8-17 20253 Sonoma along the inner face of dam at edge of water cutting action, 1.6 km (1mi) W of fwy exit, hwy 101, Asti Comment
  CAS-BOT-BC371467  Caryophyllaceae Greg de Nevers 1993-5-30 10468 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa along Piney Canyon Rd. from Bald Hills 400 Comment
  CAS-BOT-BC384677  Caryophyllaceae Peter Rubtzoff 1983-8-28 9680 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  SEINET7042572  Castilleja affinis A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  JEPS3635  Castilleja applegatei subsp. martinii C. Ritchie Bell 1952-6-12 1143 Sonoma 3.7 mi e Pine Flat (on ridge near Sonoma-Lake County line); Mayacamas Range Comment
  UC76118  Castilleja attenuata Milo S. Baker 1898-4-23 615 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC243776  Castilleja densiflora Barbara Keller 1990-4-30 1999 Sonoma Coleman Valley Road, 6 miles west of Occidental Comment
  CDA41328  Castilleja densiflora T. C. Fuller 1977-4-21 20194 Sonoma Church of Christ property, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  SEINET12331446  Castilleja foliolosa F. H. Utech 1986-1 86 -104 Sonoma ca 3 mi NE on Cavedale Road from junction with CA 12 250 Comment
  CAS-BOT-BC243852  Castilleja latifolia Ella Dales Cantelow 1938-5-7 2413 Sonoma 4 1/2 mi. NW of Bodega Comment
  JEPS35852  Castilleja subinclusa subsp. franciscana Rimo Bacigalupi, and L. R. Heckard 1964-8-3 8998 Sonoma 0.9 mi n Calif. Hwy. 1 junction with road to Seaview (along Calif Hwy 1, between Fort Ross and Russian Gulch, just s of Meyer Gulch) 152 Comment
  UC444863  Castilleja subinclusa subsp. franciscana Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  SEINET12347379  Castilleja wightii F. H. Utech 1988-5-21 88 -223 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1 100 Comment
  UCSB5988  Castilleja wightii Keator, Glenn 1958-6-17 Sonoma Near the northern end of Tomales Bay Comment
  CAS-BOT-BC195604  Catapodium rigidum Leo Koch 1940-5-19 964 Sonoma Wood residence, 349 Second Avenue, Santa Rosa Comment
  CAS-BOT-BC39436  Caulanthus lasiophyllus John Thomas Howell 1930-6-8 5283 Sonoma 8.5 miles north of the Bodega Bay. Overlooking the ocean. Comment
  CAS-BOT-BC47802  Ceanothus John Thomas Howell 1935-5-5 12618 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC32774  Ceanothus confusus John Thomas Howell 1937-4-11 12897 Sonoma Rincon Ridge NE of Santa Rosa Comment
  CAS-BOT-BC48509  Ceanothus confusus Milo S. Baker 1939-3-20 9244 Sonoma ca. 4 mi. north of Santa Rosa on road past County Hospital Comment
  CAS-BOT-BC48520  Ceanothus confusus Alice Eastwood 1915-6-6 4700 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC48521  Ceanothus confusus J. Clausen 1933-3-26 735 Sonoma Rincon Range east of Santa Rosa Comment
  RSA21892  Ceanothus confusus J. T. Howell 1935-5-5 12620 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  UC1281312  Ceanothus confusus H. E. McMinn 1944-11-5 5451 Sonoma Rincon Ridge, olive orchard Comment
  UC1281315  Ceanothus confusus H. E. McMinn 1944-11-5 5450 Sonoma Montecito Ave., approaching olive orchard, Rincon Ridge Comment
  UC18317  Ceanothus confusus Michener and Bioletti March 1898 1898 Sonoma Hood's Peak Comment
  UC870630  Ceanothus confusus John Thomas Howell 1937-4-11 12897 Sonoma NE of Santa Rosa (Rincon Ridge) Comment
  UCD111364  Ceanothus confusus Roger Raiche 1985-4-6 RR 50178 Sonoma W of Healdsburg, Dry Creek area, ridge W side of Dry Creek Valley and N of Dorman Canyon (N as far as Bradford Mt.) 243 Comment
  CAS-BOT-BC48512  Ceanothus confusus Milo S. Baker 1927-7-3 2332 a Sonoma Cobb Mt. Comment
  RSA0005478  Ceanothus confusus J. T. Howell 1937-7-4 13080 Sonoma Rincon Ridge, northeast of Santa Rosa. Comment
  POM136668  Ceanothus cuneatus A. A. Heller 1902-3-12 9027 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  JEPS116512  Ceanothus divergens Peter Warner 2009-4-10 99 Sonoma Pepperwood Preserve; ; ; Pepperwood Preserve, Franz Valley Road, approx. 0.6 mi WNW of Jct. Franz Valley - Franz Valley School Roads 300 Comment
  SEINET12211126  Ceanothus divergens W. Knight, Knight, I.; Edwards, S. 1984-1 5386 Sonoma Kortum canyon Road Comment
  SEINET12211237  Ceanothus foliosus W. Knight, Knight, I. 1985-1 6332 Sonoma South-facing slope Bradford Mt 762 Comment
  CAS-BOT-BC49997  Ceanothus gloriosus Milo S. Baker 1935-4-1 8026 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC774509  Ceanothus gloriosus var. exaltatus Carl B. Wolf 1941-7-30 4389 Sonoma Along coast 8 1/2 mi S Stewarts Point at entrance to Salt Point Ranch. 30 Comment
  UCD112150  Ceanothus gloriosus var. exaltatus Roman Gankin 1966-3-3 694 Sonoma east of Occidental Ridge on Graton Road, 2.5 miles east of Occidental. Comment
  CAS-BOT-BC49979  Ceanothus gloriosus var. gloriosus Milo S. Baker 1923-4-1 s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC63739  Ceanothus griseus Alisa S. M. McKenzie 1981-1-31 11 Sonoma Kolmer Gulch, calif. State highway 1 at marker 34. Top of bank w. side of creek, n. side of road. Comment
  RSA136660  Ceanothus griseus A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross. Comment
  RSA276844  Ceanothus incanus James I. McMurphy 1909-5-29 s.n. Sonoma Creek between Geyser Mtn and the Geysers Comment
  CAS-BOT-BC50953  Ceanothus integerrimus Brandegee 1890-5-1 22 Sonoma Geysers Comment
  HSC18295  Ceanothus integerrimus R. N. Neuns 1950-5-17 111 Sonoma 4 mi E of the Geyers (Airline) 991 Comment
  SD56785  Ceanothus integerrimus var. macrothyrsus Darley F. Howe 1963-5-23 3529 Sonoma 4 mi. no. of Cloverdale on #128 334 Comment
  RSA21888  Ceanothus integerrimus var. puberulus Alice Eastwood, John T. Howell 1939-4-2 7377 Sonoma Near Camp Meeker on road to Monte Rio. Comment
  CAS-BOT-BC50650  Ceanothus jepsonii Catherine Best 1981-4-4 s.n. Sonoma Harrison Grade Road 2 miles north of Occidental Comment
  SACT002940  Ceanothus jepsonii J. Mensch 1963-4-10 Sonoma 15 miles east of Stewarts Point on road from Geyserville. Comment
  UCD112055  Ceanothus jepsonii J. Adams; J. Weick 1993-5-8 269 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
  SEINET12211280  Ceanothus jepsonii var. albiflorus W. Knight, Schmidt, C. 1987-1 6060 Sonoma Bradford Mt. Road near Dorman Campon, W of Healdsburg 168 Comment
  CAS-BOT-BC63517  Ceanothus oliganthus var. sorediatus Wayne Roderick 1961-4-2 s.n. Sonoma NW. of Sea View (half way between Sea View and Fort Ross school). Comment
  CAS-BOT-BC51885  Ceanothus parryi Greg de Nevers; Frank Almeda 1987-4-11 8138 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC51894  Ceanothus parryi Rimo Bacigalupi 1926-5-2 1396 Sonoma Cazadero Comment
  UC1071243  Ceanothus parryi A. Lewis 1932-5-14 77 Sonoma Calabasas Creek Napa Quadrangle 457 Comment
  UC1071244  Ceanothus parryi A. Lewis 1932-5-18 94 Sonoma Calabasas Creek Napa Quad., Calabasas Creek 457 Comment
  CAS-BOT-BC51875  Ceanothus parryi G. DeNevers 1982-2-20 1890 A Sonoma In the canyon behind (W of) Phillips Garden Comment
  RSA301114  Ceanothus parryi D. C. Michener 1982-7-26 4121 Sonoma Graton road 5.6 miles W of RR xing in Graton, 0.2 miles E of jct with Bohemian Hwy Comment
  SEINET12210605  Ceanothus parryi W. Knight, Knight, I. 1981-1 3968 Sonoma 2.3 mi up Cavedale Road from junction of State Route #12 Comment
  LA44965  Ceanothus prostratus Henry Reents; 1936-5-8 sn Sonoma Rincon Ridge, NE of Santa Rosa Comment
  CAS-BOT-BC53049  Ceanothus sonomensis Michener; Bioletti 1893-3-1 s.n. Sonoma Hoods Peak Comment
  CDA31309  Ceanothus sonomensis D. G. Kelch, Ed Biffin 2010-5-3 10 .193-B Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  JEPS97530  Ceanothus sonomensis R. D. Stone 1985-3-8 651 Sonoma along unpaved road S of Trinity Road and W of cul-de-sac on Manzanita Lane Mt. Veeder (approx 2.5 airmiles WNW of) Comment
  UC618361  Ceanothus sonomensis John Thomas Howell 1935-5-5 12609 Sonoma Slopes of Trinity Mt. 2 miles E of Glen Ellen Comment
  UCR250220  Ceanothus sonomensis Peter Warner 2013-3-27 272 Sonoma Glen Oaks Ranch, c. 1 mi east of Glen Ellen, in northeast part of ranch 168 Comment
  CAS-BOT-BC32657  Ceanothus sonomensis Henry Reents 1936-5-23 s.n. Sonoma Youngman Canyon Comment
  CDA20599  Centaurea maculosa S. Ostrom 2005-10-2 PDR 1351698 Sonoma North Coast; Hwy 101 S center divide at College Ave exit. 0 Comment
  JEPS128218  Centaurea melitensis Roger Raiche 2000-5-5 098 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  NY444437  Centaurea solstitialis L. Abrams 1916-7-4 5794 Sonoma Road between Petrified Forest and Mark West Comment
  POM130633  Centaurium trichanthum A. A. Heller 1902-6-25 5764 Sonoma Santa Rosa Comment
  CAS-BOT-BC157673  Centromadia Peter Rubtzoff; Nancy Harrison 1977-8-26 9118 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC288817  Centromadia fitchii Helen D. Geis 1902-1-1 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC288807  Centromadia fitchii G. De Nevers; J. Shumate 1981-7-25 1868 Sonoma Pepperwood Ranch. W of 3 Tree Hill Comment
  CAS-BOT-BC288808  Centromadia fitchii David D. Keck 1933-11-10 2726 Sonoma 1 mile E of Shellville Comment
  CAS-BOT-BC271545  Centromadia parryi subsp. parryi John Thomas Howell 1930-10-5 5530 Sonoma Dry field 5.8 miles SW of Sonoma on Black Point cutoff Comment
  RSA785923  Centromadia pungens subsp. pungens Peter Rubtzoff 1970-5-30 6252 Sonoma 5 mi. north of Sears Point. Comment
  UCD161264  Cerastium James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3693 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-BC251309  Cerastium Peter Rubtzoff 1960-5-18 s.n. Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC384979  Cerastium arvense Dorothy Scherer 1986-4-8 027 Sonoma South of Kolmer Gulch ca 800' and east of Hwy 1 ca 15', Fort Ross State Historic Park 36 Comment
  CAS-BOT-BC388434  Cerastium glomeratum Alice Eastwood 1921-4-24 10382 Sonoma Santa Rosa Comment
  CAS-BOT-BC279780  Chamaemelum fuscatum Doreen Smith 2007-3-1 s.n. Sonoma Near Asti Comment
  UCD35265  Chamaemelum fuscatum Beecher Crampton 1955-3-14 2319 Sonoma Asti. Comment
  CAS-BOT-BC166751  Chenopodium Peter Rubtzoff 1971-7-23 6617 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC166798  Chenopodium Peter Rubtzoff 1971-8-9 6638 Sonoma Laguna, Chileno Valley. Comment
  RSA783839  Chenopodium Peter Rubtzoff 1971-7-23 6617 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC354325  Chlorogalum pomeridianum Peter Rubtzoff 1958-7-19 3765 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC499260  Chlorogalum pomeridianum F. G. Kraus 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  RSA369225  Chlorogalum pomeridianum var. pomeridianum Christopher Davidson 1977-6-20 6010 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  CDA33645  Chondrilla juncea Robin Breckenridge & Katie Filippini 2010-7-22 PDR# 1313480 Sonoma Petaluma; Hwy 101 at Lakeville Rd./Hwy 116 exit. 0 Comment
  CAS-BOT-BC191511  Chorizanthe cuspidata var. villosa W. P. Vestal; A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head Comment
  POM165491  Chorizanthe cuspidata var. villosa Katherine Brandegee 1905-06 s.n. Sonoma Bodega Bay Comment
  SBBG32386  Chorizanthe cuspidata var. villosa L. S. Rose -Aug-1962 62077 Sonoma Bodega Pt 30 Comment
  SEINET7067238  Chorizanthe cuspidata var. villosa A. G. Vestal 1947-5-13 s.n. Sonoma Base of dunes, Bodega Head. Coordinate datum: NAD27. UTM Zone 10, 505861mE, 4250832mN. Comment
  SD8120  Chorizanthe membranacea Michener, Bioletti 1892-5-30 521 a Sonoma Hoods Peak Comment
  CAS-BOT-BC257025  Chorizanthe membranacea G. DeNevers; F. Almeda 1982-5-8 2003 Sonoma Pepperwood Ranch. On a little knob on the N slope of the High Hill E of 3 Tree Hill Comment
  CAS-BOT-BC252848  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1915-6-6 4665 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC173825  Chrysanthemum Peter Rubtzoff 1970-9-3 6369 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  SEINET3385995 Image available Chrysanthemum segetum Lewis S. Rose 1933-5-9 33154 Sonoma Bodega Bay, Wet Fields Comment
  UCR279624  Cichorium intybus Peter Rubtzoff 1961-9-6 4727 Sonoma Laguna de Santa Rosa, northeast of Gratton 24 Comment
  UCD130503  Cirsium brevistylum Terri Williamson 1990-5-20 53 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  UC178901  Cirsium douglasii var. douglasii Katharine Brandegee 1905-6-25 Sonoma Bodega Comment
  UCD130612  Cirsium douglasii var. douglasii Mary M. Hektner; Cathy Hendel 1974-7-2 105 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owner's Map. Comment
  UCD130615  Cirsium douglasii var. douglasii P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC280005  Cirsium douglasii var. douglasii Alice Eastwood; John Thomas Howell 1937-5-31 4504 Sonoma 6 miles north of Bodega Bay Comment
  RSA0070606  Cirsium douglasii var. douglasii Peter Rubtzoff 1970-9-3 6368 Sonoma Hillside marsh above Shell Beach in Sonoma Coast State Beach area. Comment
  CAS-BOT-BC280371  Cirsium occidentale var. venustum A. A. Heller 1902-6-24 5753 Sonoma Near Burke's Sanitarium Comment
  CDA1486  Cirsium occidentale var. venustum E. P. Delfino 1960-4-11 s.n. Sonoma Cloverdale; Rust Horn Ranch, Pine Mt. Rd. 0 Comment
  UC1618422  Cirsium occidentale var. venustum Barbara Ertter, Lincoln Constance 1993-7-10 12100 Sonoma 5 mi. beyond pavement on Rockpile Rd. w. of Lake Sonoma (rd. to Annapolis) Comment
  POM261637  Cirsium remotifolium var. odontolepis Alice Eastwood, John Thomas Howell 1938-7-6 6088 Sonoma Alder Glen Springs. Comment
  CAS-BOT-BC162608  Clarkia John H. Thomas 1955-5-22 5182 Sonoma Along St. Helena Road and West Creek, 1.2 miles west of Sonoma-Napa County line, about 6 miles from St. Helena 457 Comment
  CAS-BOT-BC162607  Clarkia W. R. Dudley 1893-9-9 s.n. Sonoma Russian River Comment
  CAS-BOT-BC162555  Clarkia affinis Alva Day 1982-6-1 82 -58 Sonoma Pepperwood Ranch Comment
  UC107816  Clarkia amoena Katharine Brandegee 1905-6-26 Sonoma Bodega Bay Comment
  CAS-BOT-BC161056  Clarkia amoena subsp. amoena Peter Rubtzoff 1962-7-14 s.n. Sonoma 4 mi. west of Petaluma Comment
  RSA128999  Clarkia amoena subsp. amoena Joanne Taylor 1941-7-13 11 Sonoma Canyon about 10 miles from Bodega Head. 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-BC172212  Clarkia concinna Roxana S. Ferris; Laura Lorraine 1961-6-15 13550 Sonoma Green Valley Road, 0.8 mi. E of junction with Harrison Grade Road Comment
  CAS-BOT-BC172202  Clarkia concinna Mark Okada 1975-5-25 s.n. Sonoma Route 128, north of Cloverdale Comment
  SEINET4143382  Clarkia concinna W. Roderick 1967-6-18 s.n. Sonoma Mark West Springs Road, NE of Santa Rosa 61 Comment
  SEINET6165015 Image available Clarkia concinna Unknown 1981-5-18 s.n. Sonoma Pine Mountain turnoff, Ida Clayton Rd. 914 Comment
  RSA299011  Clarkia concinna subsp. concinna W. L. Jepson 1921-6-2 9293 Sonoma Alder Glen School. Hopland, N Sonoma County 177 Comment
  UCD104043  Clarkia davyi Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 30 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS25145  Clarkia gracilis subsp. sonomensis G. Thomas Robbins 1959-5-16 4015 Sonoma Spring Mt. Road Mayacamas Mt. (between Calistoga Road and Sonoma-Napa County line) 487 Comment
  UC373496  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 17 Sonoma 1/2 mi e Glen Ellen; ; E of Glen Ellen, Sonoma Co. 30 Comment
  CAS-BOT-BC163131  Clarkia gracilis subsp. sonomensis May 1886-6-1 s.n. Sonoma Unspecified Comment
  RSA73310  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 21 Sonoma Sonoma - Santa Rosa Hwy, 5.5 miles S of Santa Rosa. 32 Comment
  CAS-BOT-BC371468  Clarkia purpurea Greg de Nevers 1993-7-8 10473 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Rogers Canyon 400 Comment
  CAS-BOT-BC163469  Clarkia purpurea subsp. quadrivulnera Alice Eastwood; John Thomas Howell 1939-6-11 7415 Sonoma Near [Triniti] Trinity P.O., Hoot Mt. Range Comment
  CAS-BOT-BC165674  Clarkia unguiculata Freed W. Hoffman 1947-6-4 509 Sonoma Upper reaches of East Austin Creek, Rocky Mountain Comment
  RSA22256  Clarkia unguiculata Blanche Clear 1938-5-28 s.n. Sonoma Alexander Valley toward Geyserville Comment
  CAS-BOT-BC361352  Claytonia exigua subsp. exigua Greg de Nevers 1997-4-24 10958 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC439316  Claytonia exigua subsp. exigua F. Almeda; G. DeNevers 1981-3-30 4876 Sonoma Pepperwood Ranch. Along road to the Garrison Cabin at the SW sector of the ranch. Comment
  CAS-BOT-BC439320  Claytonia exigua subsp. exigua Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane, 2 mi. north east of Occidental Comment
  CDA12822  Claytonia exigua subsp. glauca G. F. Hrusa, R. Gross 1996-3-8 12654 A Sonoma North Coast Biodiversity Arena; Between Foote Creek and Briggs Creek on Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  RSA178002  Claytonia gypsophiloides R. F. Thorne 1965-4-19 34292 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UC1587551  Claytonia gypsophiloides K. L. Chambers 1977-3-29 4253 Sonoma 3.7 mi nw Hwy. 128 (Cloverdale to Boonedale rd.) jct. with Hwy. 101 (near Cloverdale) Comment
  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
  CAS-BOT-BC439413  Claytonia gypsophiloides Hy Edwards; J. P. Moore 1877-3-1 s.n. Sonoma Skaggs Springs Comment
  RSA177929  Claytonia gypsophiloides R. F. Thorne 1965-4-20 324378 Sonoma ca. 3/4 mi.; Charles Newman s place up Los Alamos Rd., on Rincon Ridge. 396 Comment
  SBBG106815  Claytonia gypsophiloides K. L. Chambers 1978-4-29 4466 A Sonoma Hwy 128, the Cloverdale to Ft Bragg rd, 3.8 mi W of its jct with Hwy 101 at Cloverdale Comment
  CAS-BOT-BC443869  Claytonia sibirica Dorothy Scherer 1996-3-25 015 Sonoma Kolmer Gulch, west of Hwy 1 ca 250', Fort Ross State Historic Park 1 Comment
  UCD35658  Clinopodium douglasii Beecher Crampton 1959-6-16 5395 Sonoma 1 mile northeast of Freestone. Comment
  SEINET12050352  Clintonia andrewsiana F. H. Utech 1988-1 88 -234 Sonoma Stewart's Point, ca 1.5 mi E on Stewarts Point Road from junction with CA 1 40 Comment
  SEINET7075544  Collinsia grandiflora A. G. Vestal 1955-5-6 s.n. Sonoma About 2.5 miles east of Occidental on the Occidental Road. 38? deg. 24' 30" North Latitude, -122? deg. 54' 3" West Longitude. UTM Zone 10, 508655mE, 4250919mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  SEINET12329967  Collinsia heterophylla F. H. Utech 1986-1 86 -120 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 250 Comment
  JEPS78762  Collinsia sparsiflora var. arvensis L. R. Heckard with Michael Morris 1976-4-26 4235 Sonoma n Guerneville (s side of Gilman Creek near rd running nw of Vista Point and Redwood Lake (ca 3.4 mi from there)); Armstrong Redwoods State Park 182 Comment
  POM14841  Collinsia sparsiflora var. arvensis A. A. Heller, H. E. Brown 1902-3-21 5117 Sonoma Hills southeast of Santa Rosa Comment
  RSA41892  Collinsia sparsiflora var. arvensis H. C. Cantelow 1936-4-11 1221 Sonoma Bet. Shellville and Napa. Comment
  JEPS7299  Collinsia tinctoria W. L. Jepson 1923-6-28 10005 Sonoma near Kenwood (Sonoma Canyon); Sonoma Canyon 243 Comment
  UC1238963  Collinsia tinctoria Freed W. Hoffman 1947-5-18 770 Sonoma Dutch Bill Creek near Camp Meeker (North Coast Ranges); , Dutch Bill Creek Comment
  UCD158784  Collomia heterophylla James A. Neilson Jr. 1974-6-1 2878 Sonoma Mayacmas Mountains, west of Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation and coordinates estimated by label maker). 1066 Comment
  CAS-BOT-BC286005  Conyza bonariensis Mary P. Wells 1988-9-7 966 Sonoma At Friends House, Rincon Valley, Santa Rosa Comment
  UCD138903  Corallorhiza mertensiana Paula Anderson 1977-5-25 31 Sonoma Salt Point State Park. 15 Comment
Read comments
May 16 2017
  UCD138898  Corallorhiza striata K. Esau 1933-4-14 s.n. Sonoma Napa County, Calistoga, near petrified forest. Comment
  JEPS30837  Cordylanthus maritimus subsp. palustris Rimo Bacigalupi 1962-6-19 8593 Sonoma low-lying area just above beach line on Bodega Harbor side of Bodega Head (opposite spit of Doran Beach) Comment
  SEINET12327524  Cordylanthus pilosus W. Knight, Knight, I. 1984-1 5074 Sonoma 4.1 mi up Cavedale Rd from St. 12 640 Comment
  RSA118968  Cordylanthus pilosus subsp. pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge, east of Santa Rosa. 91 Comment
  CAS-BOT-BC238226  Cordylanthus tenuis subsp. brunneus Walter Knight; Irja Knight; Dr. Stephen W. Edwards 1986-8-17 5507 Sonoma Sweetwater Springs Road across from large old mine Comment
  SEINET12337123  Cordylanthus tenuis subsp. brunneus Unknown 1986-1 60302 Sonoma at Lake Co. line, Mayacamas Mts., Pine Mt. fireroad, ca 1.5 mi N of Ida Clayton Rd 823 Comment
  CAS-BOT-BC238234  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1955-7-11 55110 Sonoma 2 mi. e. of Occidental 243 Comment
  JEPS57382  Cordylanthus tenuis subsp. capillaris L. R. Heckard and T. I. Chuang 1968-6-18 1953 Sonoma n Occidental (Stoetz Lane about 3/4 mi w of Harris grade road) Comment
  JEPS6807  Cordylanthus tenuis subsp. capillaris R. F. Hoover 1941-6-7 5307 Sonoma 2 mi se Monte Rio Comment
  RSA537698  Cordylanthus tenuis subsp. capillaris T. I. Chuang 1975-7-5 7520 Sonoma Stoetz Lane, about 3/4 mile west of Harris [Harrison] Grade Road, north of Occidental Comment
Read comments
Jan 12 2013
  RSA74323  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1947-7-15 11866 Sonoma 2 miles NE of Occidental, along Harrison Grade Comment
  SD133719  Cordylanthus tenuis subsp. capillaris T. I. Chuang, Fei-Mei Chuang 1970-7-25 6834 Sonoma Stoetz Road, west of harrison grade, 2.7 miles east of Occidental Comment
  RSA223352  Cornus glabrata Peter Rubtzoff 1958-8-9 3861 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  UC21528  Cornus nuttallii H. N. Bolander 1864-1 3966 Sonoma on Pine Mt. near the Geyser's; Pine Mt. Comment
  CAS-BOT-BC210430  Cornus sericea G. DeNevers 1981-4-25 869 Sonoma Pepperwood Ranch. Mark West Creek and Leslie Creek Comment
  JEPS77872  Cornus sericea subsp. sericea Robert M. Lloyd 1965-5-8 3635 Sonoma s.e. Sebastopol (ca. 4 mi. n. of Rte. 116, e. of Cunningham, upper portion of Laguna de Santa Rosa Marsh, Llano Rd.); Laguna de Santa Rosa Marsh 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
  CAS-BOT-BC173676  Cotula coronopifolia Peter Rubtzoff 1962-10-9 5106 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC290296  Cotula coronopifolia Peter Rubtzoff 1951-7-14 451 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  UC912239  Cotula coronopifolia Herbert L. Mason 1926-3-20 2744 Sonoma s Calistoga (along rr right-of-way) Comment
  CAS-BOT-BC368093  Crassula aquatica Greg de Nevers 1998-5-5 11227 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  SD206989  Crassula aquatica Reid Moran, C. Quibell and W. Knight. 1991-5-21 31054 Sonoma Diversion channel south of Spring Lake, Santa Rosa. 99 Comment
  CAS-BOT-BC427649  Crassula aquatica Peter Rubtzoff 1959-4-19 4040 Sonoma Laguna de Santa Rosa east of Sebastopol, near Santa Rosa road crossing. Comment
  CAS-BOT-BC427654  Crassula aquatica Peter Rubtzoff 1963-6-18 5177 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC427689  Crassula connata Greg de Nevers; Frank Almeda 1987-4-11 8148 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  SD141317  Crassula solieri Reid Moran, Charles Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1.0 km east of Glen Ellen. 110 Comment
  SJSU5983  Crataegus douglasii C. W. Sharsmith 1972-6-24 7796 Sonoma Atascadero Cr Marsh c 1 mi NW of Graton by lower Atascadero Cr, a tributary of Green Valley Cr Comment
Read comments
Dec 20 2006
  RSA178024  Crataegus suksdorfii Robert F. Thorne 1965-4-19 34279 Sonoma half way betw Freestone and Occidental. 137 Comment
  SEINET11686587  Crypsis W. Knight, Knight, I.; Edwards, S. W. 1984-1 5041 Sonoma along Willow Creek between Denman Flat & Corona Road, near Petaluma Comment
  CAS-BOT-BC190101  Crypsis schoenoides David L. Morgan 1960-9-10 s.n. Sonoma Old Redwood Highway, 0.5 mile south of Penngrove. Comment
  CAS-BOT-BC190147  Crypsis schoenoides Peter Rubtzoff 1963-9-21 5269 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC190148  Crypsis schoenoides Peter Rubtzoff 1958-9-27 4008 Sonoma Laguna de Santa Rosa northeast of Graton (0.5 mile north of Guerneville Road). Comment
  CAS-BOT-BC376294  Cryptantha Greg de Nevers 1992-4-28 10123 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Found by Double Ponds vernal pool 475 Comment
  CDA12255  Cupressus macnabiana G. F. Hrusa, J. M. Tucker, G. L. Webster 1994-10-29 11921 A Sonoma North Coast Biodiversity Arena; Grove of small trees to 10 meters tall on Cavedale Rd. approx. 2.7 m E of Hwy 12. Rhyolitic ash substratum, assoc. w/ Pinus attenuata, Arctostaphylos stanfordiana, Salvia sonomensis, Solidago spathulata, Xerophyllum tenax. Comment
  JEPS79415  Cupressus macrocarpa Edward Lee with W. A. Setchell 1936-6-7 2189 Sonoma South ridge Fire Trail Bohemian Grove (Bohemian Grove, lower trees forming a very extensive area) Comment
  CAS-BOT-BC85457  Cupressus sargentii Frederick H. Utech; W. Knight; Irja Knight 1984-4-18 84166 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  UCD132950  Cupressus sargentii Frederica Bowcutt 1997-7-18 2187 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
  UCD67619  Cupressus sargentii D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. 800 Comment
  UCR255870  Cuscuta Greg de Nevers 1996-11-10 10891 Sonoma Just north of Hwy 37, opposite Port Sonoma, Lower Ranch 1 Comment
  CDA30987  Cuscuta californica var. breviflora D. G. Kelch, Troy McGregor 2010-8-22 10 .354 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  UC727760  Cuscuta pentagona Milo S. Baker 1946-8-17 11559 Sonoma The Laguna, at the crossing of the Occidental Rd The Laguna Comment
  CAS-BOT-BC190242  Cynodon dactylon Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  POM369230  Cynoglossum grande Christopher Davidson 1977-6-20 6032 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  UCD119156  Cynoglossum grande Botany 102 Students 1993-4-24 86 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. S of Sonoma Creek. About 2 air miles S of Bald Mtn. Mid slope on Hillside Trail. 411 Comment
  SEINET12329798  Cynoglossum grande I. Knight, Knight, W.; Edwards, S. 1986-1 5350 Sonoma along trail to summit of Geyser Peak 853 Comment
  SEINET6180923  Cynosurus cristatus Fred W. Hoffman 1943-6-20 2061 Sonoma Eckert Ranch near Salt Point, Sonoma Coast.; 0 Comment
  CAS-BOT-BC190430  Cynosurus echinatus G. DeNevers; M. Harding 1981-7-11 1757 Sonoma Pepperwood Ranch. In Garrison Canyon. Comment
  OBI35899  Cynosurus echinatus David J. Keil 1983-6-30 17215 Sonoma Stillwater Cove Regional Park Comment
  UCD160902  Cynosurus echinatus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3582 Sonoma Section 10, ca. 1.5 miles west of The Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  UCR248721  Cynosurus echinatus Peter Rubtzoff 1968-6-20 5899 Sonoma 6.5 miles northeast of Penngrove on Lichau Road 427 Comment
  RSA0022474  Cynosurus echinatus Peter Rubtzoff 1968-6-20 5899 Sonoma 6.5 mi. northeast of Penngrove on Lichan[Lichau?] Road. 427 Comment
  CAS-BOT-BC114517  Cyperus eragrostis Walter Knight; Irja Knight 1963-10-3 356 Sonoma Bennett Valley Comment
  SD99411  Cyperus eragrostis Christopher Davidson 1977-6-17 5876 Sonoma State Highway 12; ca. 3 miles west of Guerneville; sand bar in Russian River; riparian zone along Russian River bordered by coast redwood forest. 14 Comment
  UCD161844  Cyperus eragrostis James A. Neilson Jr. 1975-6-26 s.n. Sonoma Mayacmas Mountains, Caldwell Pines area, Wildhorse #1. (Exact location unknown, coordinates estimated by label maker. Location georeference near Wildhorse Cr.) Comment
  CAS-BOT-BC114518  Cyperus eragrostis Walter Knight; Irja Knight 1963-9-29 228 Sonoma In ditch on Lakeville hwy near freeway. Comment
  CAS-BOT-BC114340  Cyperus esculentus Peter Rubtzoff 1956-9-14 2868 A Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC113905  Cyperus niger var. capitatus Peter Rubtzoff 1951-6-16 219 Sonoma Plants of the Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC113915  Cyperus niger var. capitatus Peter Rubtzoff 1955-9-10 2136 Sonoma East Guernewood, near Guerneville. On a Russian River island. Comment
  UCD105674  Cytisus scoparius Kamala Crompton 1996-5-19 17 Sonoma Roadside 7 miles west of Petaluma. 100 Comment
  CAS-BOT-BC189804  Dactylis glomerata G. DeNevers 1981-5-23 1252 Sonoma Pepperwood Ranch. Along Franz Valley Road. Comment
  CAS-BOT-BC445560  Damasonium californicum J. W. Congdon 1880-5-16 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC192265  Danthonia californica L. R. Abrams 1918-4-27 6918 Sonoma Independence School near Healdsburg Comment
  CAS-BOT-BC192280  Danthonia californica John Thomas Howell 1935-5-5 12611 Sonoma 6 miles from Santa Rosa, on road to Sonoma Comment
  LA11229  Danthonia californica Joseph Andorfer Ewan; 1935-5-13 9259 Sonoma near Wright School on Sebastopol road 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
  UCD60499  Danthonia californica R. Tofsrud 1947-6-16 s.n. Sonoma 1 mi. N. of Valley Ford. Comment
  RSA126872  Danthonia californica var. americana H. S. Yates 1937-5-30 6541 Sonoma 1.5 miles northeast of Graton 30 Comment
  UCD60677  Danthonia californica var. americana B. Crampton 1954-4-26 1789 Sonoma East of Alexander Valley, Hwy. 128, 9 miles SE of Geyserville. Comment
  CAS-BOT-BC154116  Datura Peter Rubtzoff 1953-11-1 1437 Sonoma Vacation Beach, near Guerneville, along Russian River Comment
  CAS-BOT-BC154986  Datura Peter Rubtzoff; Irene Rubtzoff 1968-8-31 5940 Sonoma Russian River bottom at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CAS-BOT-BC293812  Deinandra corymbosa Walter Knight; Irja Knight 1965-9-13 1190 Sonoma Lohrman Lane near firehouse. Petaluma Comment
  CAS-BOT-BC9017  Delphinium decorum John Thomas Howell 1931-4-18 6413 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC9018  Delphinium decorum John Thomas Howell 1931-4-18 6413 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC10099  Delphinium luteum John Thomas Howell 1931-4-18 6414 Sonoma Larkspur Rock, near Bodega Bay Comment
  CAS-BOT-BC10126  Delphinium luteum Mary Hallett 1927-4-1 s.n. Sonoma Graton Comment
  CAS-BOT-BC8005  Delphinium nudicaule Peter Rubtzoff 1953-5-17 1389 Sonoma South of Guernerville, Neeley Hill area Comment
  CAS-BOT-BC8007  Delphinium nudicaule A. A. Heller 1903-4-23 6604 Sonoma Fort Ross Comment
  UCD160149  Delphinium nudicaule James A. Neilson Jr. 1974-4-30 2721 Sonoma Mayacmas Mountains. The Geysers. Bruno # 1. (Exact location of Bruno #1 not known by label-maker, but according to Neilson, it is west of Geysers Resort on a north-facing slope near a stream. In the Mayacmas Flora, he indicates it is near 'Old Mercuryville,' which is different than the Mercuryville seen on maps; location and elevation estimated by label-maker) Comment
  UCR265118  Delphinium nudicaule Ann Howald 2015-4-1 3316 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 520 Comment
  CAS-BOT-BC8011  Delphinium nudicaule Margot Lowry 1983-5-1 44 Sonoma One mile from top of Sonoma Mtn. Road, Sonoma Mountain 500 Comment
  UCD95886  Delphinium nudicaule Charles B. Heiser Jr. 1946-4-13 1726 Sonoma Above Russian River, 3 miles N. of Jenner. Comment
  CAS-BOT-BC7775  Delphinium variegatum F. H. Utech 1986-5-13 86 -107 Sonoma ca 3.9 mi. NE of Cavedale Road from junction with CA Hwy. 12 250 Comment
  POM302103  Delphinium variegatum H. C. Cantelow 1940-4-6 s.n. Sonoma 1/2 miles S of Shellville Comment
  CAS-BOT-BC26766  Dendromecon myrtifolia Amos Arthur Heller; H. E. Brown 1902-5-29 5618 Sonoma Mt. Hood Comment
  RSA0004632  Dendromecon myrtifolia A. A. Heller, H. E. Brown 1902-5-29 5618 Sonoma Mt. Hood. Comment
  SJSU448  Dendromecon rigida H. H. Anderson 1939-5-15 Sonoma Mt St Helena 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-BC586  Dendromecon rigida subsp. rigida Roxana Stinchfield Ferris; Laura Lorraine 1961-6-15 13558 Sonoma Green Valley Rd, 0.8 miles east of junction with Harrison Grade Rd. Comment
  UCD23367  Dentaria californica Wesley Ebert 1977-4-9 15 Sonoma White blossoms. In rich moist humus. Heavily shaded by Umbellularia californica and Quercus agrifolia. On east facing slope. 6000 Soldiers Lane, Penngrove. On west side of Sonoma Mtn. Comment
  UCD61380  Deschampsia cespitosa Beecher Crampton 1957-7-22 4383 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  CDA18036  Deschampsia cespitosa R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena Spring. 0 Comment
  POM313170  Deschampsia cespitosa subsp. cespitosa H. L. Mason 1946-7-4 12885 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  RSA63696  Deschampsia cespitosa subsp. cespitosa Milo S. Baker 1950-5-20 12221 Sonoma Hope Valley on wood road opposite the old Chamberlain Ranch House near Kenwood Comment
  UCD63758  Deschampsia cespitosa subsp. holciformis H. S. Yates 1936-5-17 5625 Sonoma 1 1/2 miles E of Bodega Port. 121 Comment
  UCR255046  Deschampsia danthonioides Greg de Nevers 1998-5-5 11230 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; on Weimar Flat 400 Comment
  CAS-BOT-BC201966  Deschampsia elongata Peter Rubtzoff 1958-7-19 3754 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC201970  Deschampsia elongata Peter Rubtzoff 1960-5-30 4429 Sonoma Vacation Beach, near Guerneville Comment
  RSA126943  Deschampsia elongata H. S. Yates 1936-5-16 5607 Sonoma 1 mile N.W. of Mountain View School; Sebastopol 91 Comment
  UC53607  Deschampsia elongata Jos. Burtt Davy July 1896 Sonoma Russian R. below Guerneville; Russian R. Comment
  UCD63470  Deschampsia elongata Beecher Crampton 1957-7-11 4308 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  CAS-BOT-BC208926  Dichanthelium acuminatum subsp. acuminatum F. G. Krauss 1893-10-28 s.n. Sonoma Geyser Canyon Comment
  SEINET225364 Image available Dichanthelium acuminatum subsp. fasciculatum John Roos, Lucill Roose 1956-9-1 6598 Sonoma The Geysers. Comment
  CAS-BOT-BC221146  Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-18 7139 e Sonoma 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.), N.E. Sonoma County 493 Comment
  SEINET10559863  Dichanthelium acuminatum var. acuminatum Crampton 1964-8-18 CRAMPTON 7139 f Sonoma N.E. Sonoma Country, The Geysers. 12 miles (in direct line) east of Colverdale, ca. 1/2 mile east Geyser Resort area, slope of stream well (locally called "The Outlaw") or otherwise thermal no. 10 (Thermal Power co.), steep banks along road to steam well. Below slope of live oaks and digger pines, loose sandy-cinnabar soil, moist to dry, plants erect to wide spreading, Topotype. 494 Comment
  UCD148240  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2013-3-29 2901 Sonoma 0.6 mi E of Occidental, at jct Occidental Rd and Facendini Lane. 262 Comment
  RSA173354  Dichelostemma capitatum subsp. capitatum Walter Knight 1965-6-6 1119 Sonoma [?????] Hill Road. Comment
  CAS-BOT-BC500685  Dichelostemma pulchellum Peter H. Raven 1955-4-23 8281 Sonoma 2 mi SE of Bennett Mt. Comment
  POM264531  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma Five miles north of Jenner. Comment
  CAS-BOT-BC249262  Digitalis purpurea Peter Rubtzoff 1954-7-4 1534 Sonoma Austin Creek Marsh area. Comment
  CAS-BOT-BC183608  Digitaria Peter Rubtzoff 1965-9-5 5637 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  CAS-BOT-BC176363  Digitaria sanguinalis Peter Rubtzoff 1956-9-14 2857 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC152044  Diplacus aurantiacus S. Saufferer 1973-5-24 215 Sonoma Bodega Bay on coastal sand dunes. Comment
  SBBG21355  Diplacus aurantiacus V. Haraden 1941-7-13 Sonoma canyon, ca. 20 mi E of Bodega Bay 304 Comment
  CAS-BOT-BC151376  Diplacus tricolor L. R. Abrams 1918-4-27 6901 Sonoma Santa Rosa Comment
  CAS-BOT-BC151379  Diplacus tricolor Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7400 Sonoma Laguna de Santa Rosa ca. 1 mi. east-souteast of Sebastopol Comment
  UCR10208  Dirca occidentalis Milo S. Baker 1942-5-20 10197 Sonoma 2 mi west of Bodega town on a road which turns right within the town Comment
  UC1134582  Disporum hookeri E. Armstrong 1934-3-26 902 Sonoma 1 mi w of Camp Meeker 182 Comment
  CAS-BOT-BC196922  Distichlis spicata Peter Rubtzoff 1962-10-9 s.n. Sonoma Lower Salmon Creek Marsh Comment
  UCR244623  Distichlis spicata Peter Rubtzoff 1955-8-20 2065 Sonoma Bodega Harbor Marsh 0 Comment
  UCR248898  Distichlis spicata Peter Rubtzoff 1971-8-23 6644 Sonoma Stony Point Road, just south of Hwy 116 34 Comment
  UCD78109  Dittrichia graveolens Robert E. Preston 1999-11-9 1252 Sonoma Windsor, on NW corner of jct Old Redwood Hwy and Arata Lane. T8N R9W N edge of Sec 11 39 Comment
  RSA17454  Dodecatheon hendersonii Elmer I. Applegate 1934-3-25 8856 Sonoma Sausal Creek, Pine Flat region. Comment
  HSC17854  Dodecatheon hendersonii R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1327 Sonoma 1 mi. NW of Big Geysers Comment
  HSC17868  Dodecatheon hendersonii R. F. Good 1962-4-20 23 Sonoma 2 mi. W of Petaluma on D St. Extension toward Pt. Reyes: Sonoma Mtn. Coastal Range 46 Comment
  CAS-BOT-BC156312  Downingia concolor var. concolor Peter Rubtzoff 1969-5-3 6024 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  JEPS3102  Downingia cuspidata F. T. Bioletti 1893-6-10 Sonoma Los Guilucos Valley; ; Los Guilucos Valley, Sonoma Co. Comment
  SEINET6059388  Downingia cuspidata Unknown 1976-6-5 8581 Sonoma False Lake Meadow area. Annadel State Park. Comment
  JEPS103635  Downingia pusilla Lisa Schultheis 1995-5-15 148 -95 Sonoma Santa Rosa. Alton Lane, approximately 0.25 miles W of Fulton Road Comment
  JEPS14401  Downingia pusilla W. L. Jepson 1921-5-6 9194 Sonoma Sonoma Valley Comment
  RSA123329  Drymocallis glandulosa var. wrangelliana H. S. Yates 1934-4-21 3755 Sonoma Near Bodega. 61 Comment
  UCD136430  Dryopteris arguta Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1754 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trail approx. 200 yds. From just E of Bear Creek about 5 yds. N of confluence with Sonoma Creek. 198 Comment
  CAS-BOT-BC71023  Dryopteris arguta G. DeNevers 1981-4-25 853 Sonoma Mark West Creek and Leslie Creek confluence Comment
  CAS-BOT-BC428383  Dudleya farinosa L. R. Abrams 1920-7-3 7634 Sonoma Near Stewarts Point Comment
  UC1015407  Dudleya farinosa Jack Whitehead 81 Sonoma Bodega Park Comment
  UC830922  Dudleya farinosa Marcus E. Jones 1882-7-17 3347 Sonoma Duncan's Mill Comment
  UCSB61660  Dysphania botrys Ertter, Barbara 1988-11-5 Sonoma Lake Sonoma ca. 5 air miles due S of Cloverdale, point below Little Flat parking area W of Bridge; T10N R11W 152 Comment
  CAS-BOT-BC176200  Echinochloa crus-galli Peter Rubtzoff 1956-9-14 2861 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCR280185  Echinochloa crus-galli Peter Rubtzoff 1958-7-20 3794 Sonoma Laguna de Santa Rosa NE of Graton (near Guerneville Road) 30 Comment
  UC1011034  Echinochloa crus-pavonis Virginia Bufford 1935-10-13 84 Sonoma Bellevue Rd at Redwood Highway Comment
  CAS-BOT-BC113733  Eleocharis acicularis var. occidentalis Peter Rubtzoff 1955-7-30 2002 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC112662  Eleocharis parvula Peter Rubtzoff; Vanette Bunyan 1973-8-25 7257 Sonoma Lower Salmon Creek Marsh. Just east of Hwy 1. Comment
  CAS-BOT-BC112192  Eleocharis radicans Peter Rubtzoff 1951-9-2 703 Sonoma Pitkin Marsh, near Forestville: Northern half of Lower Marsh. Comment
  CAS-BOT-BC112203  Eleocharis radicans Peter Rubtzoff 1956-9-21 2933 Sonoma Vacation Beach, near Guerneville. Sancy beach of Russian River. Comment
  RSA94017  Eleocharis rostellata Peter Rubtzoff 1952-5-31 1127 Sonoma Pitkin Marsh, near Forestville; lower part of the Upper Marsh Comment
  SD39854  Elymus X vancouverensis Edith A. Purer 1932-7-21 4049 Sonoma Bodega Bay, sandy bluff Comment
  SEINET10509410  Elymus divergens Davy 1897-9-18 DAVY 4037 Sonoma Near Petaluma Comment
  UCR42318  Elymus elymoides L. F. LaPre 1985-6-5 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  UC730044  Elymus glaucus Leo F. Koch 1940-4-22 836 Sonoma Geysers Sulphur Creek Canyon Comment
  UC769909  Elymus glaucus Robert F. Hoover 1941-6-7 5300 Sonoma Molino Comment
  UCD15828  Elymus glaucus J. D. DiTomaso 1998-5-18 s.n. Sonoma Sugarloaf Ridge State Park. 430 Comment
  UCD61803  Elymus glaucus Beecher Crampton 1959-6-16 5377 Sonoma 1 mile E of Occidental. 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
  SEINET11690147  Elymus glaucus J. T. Howell, Knight, W.; Knight, I. 1987-1 6229 Sonoma Todd Road Preserve 24 Comment
  UC1011033  Elymus glaucus Virginia Bufford 1935-5-9 35 Sonoma Stony Point-Two Rock Rd.; along R.R. Comment
  UCD62299  Elymus glaucus R. Tofsrud 1941-5-1 52 Sonoma Mc Donald Reservoir. Comment
  UC38176  Elymus glaucus subsp. jepsonii Jos. Burtt Davy 1897-9-18 4037 Sonoma roadside near Petaluma; ; near Petaluma, Sonoma Co. Comment
  RSA129555  Elymus glaucus subsp. virescens H. S. Yates 1936-5-17 5624 Sonoma 1.5 miles E of Bodega Port 122 Comment
  JEPS87224  Emmenanthe penduliflora Jack and Betty Guggolz 1992-5-17 1299 Sonoma On the up side of the Anderson Trail (The west side of the Black Mountain east of Geyserville). 585 Comment
  SEINET12194346  Epilobium brachycarpum W. Knight, Knight, I. 1984-1 5418 Sonoma Lakeville Hwy, on bank of Petaluma River 3 Comment
  CAS-BOT-BC166620  Epilobium canum subsp. canum Walter Knight; Irja Knight 1963-9-15 237 Sonoma Los Alamos Rd, Santa Rosa Comment
  UC582992  Epilobium ciliatum subsp. ciliatum P. A. Munz 1936-8-7 14307 Sonoma six mi n Bodega (edge of road) Comment
  RSA37537  Epilobium ciliatum subsp. ciliatum Milo S. Baker 1932-9-18 6060 Sonoma Kenwood, Steven s Ranch Comment
  SD38384  Epilobium ciliatum subsp. watsonii Edith A. Purer 1932-7-24 Sonoma Near Bodega Bay. Stabilized dunes. 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
  UCR244514  Epilobium densiflorum Peter Rubtzoff 1969-8-26 6154 Sonoma On River Road, c. 3 miles west of Fulton 27 Comment
  UCD165166  Epilobium torreyi Peter Rubtzoff 1974-5-26 7491 Sonoma 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UC429312  Epipactis gigantea Milo S. Baker 1898-1 Sonoma Santa Rosa Canyon Comment
  UCD165777  Equisetum Peter Rubtzoff 1973-8-29 7285 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC210085  Equisetum Peter Rubtzoff 1963-8-17 5237 Sonoma Russian River Mouth Marsh. Comment
  CAS-BOT-BC57129  Equisetum X ferrissii Peter Rubtzoff 1951-6-10 191 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC57044  Equisetum arvense John H. Thomas 1976-6-15 18324 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC57048  Equisetum arvense Peter Rubtzoff 1958-8-16 3879 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  UC1026487  Equisetum arvense Peter Rubtzoff 1951-6-17 279 Sonoma near Forestville (n half of Lower Marsh); Pitkin Marsh Comment
  UC371112  Equisetum arvense Miss M. Alice King 1897-1 Sonoma Comment
  CAS-BOT-BC57206  Equisetum hyemale subsp. affine Greg de Nevers 1993-5-16 10447 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Along Franz Creek east of 3865 Franz Valley Rd. 457 Comment
  CAS-BOT-BC164055  Equisetum hyemale var. californicum Peter Rubtzoff 1961-10-23 4785 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  UCR279623  Equisetum hyemale var. californicum Peter Rubtzoff 1961-10-23 4785 Sonoma Laguna de Santa Rosa area northeast of Graton 20 Comment
  CAS-BOT-BC57813  Equisetum laevigatum Dorothy Scherer 1997-5-6 134 Sonoma SE. of Fort Ross Cove picnic area, Fort Ross State Historic Park. 7 Comment
  CAS-BOT-BC57644  Equisetum telmateia John H. Thomas 1976-6-16 18293 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC57653  Equisetum telmateia A. A. Heller; H. E. Brown 1902-3-27 5161 Sonoma Western Base of Mt. Hood Comment
  CAS-BOT-BC57648  Equisetum telmateia Peter Rubtzoff 1952-6-15 1257 Sonoma Forestville Marsh Comment
  JEPS79542  Equisetum telmateia subsp. braunii Edward Lee with W. A. Setchell 1936-6-7 2174 Sonoma Trail No. 10 Bohemian Grove 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
  POM9511  Equisetum telmateia var. braunii A. A. Heller, H. E. Brown 1902-3-27 5161 Sonoma Western base of Mt. Hood. Comment
  RSA216112  Equisetum telmateia var. braunii Peter Rubtzoff 1957-4-28 3288 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC312695  Eragrostis Peter Rubtzoff 1968-9-21 5982 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC328125  Eragrostis Peter Rubtzoff 1965-8-16 5602 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC172570  Eragrostis cilianensis Peter Rubtzoff 1961-8-25 s.n. Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC213572  Eragrostis hypnoides Peter Rubtzoff 1970-9-2 6355 Sonoma Rusian River bottom at Mirabel Park Comment
  CAS-BOT-BC204642  Eragrostis mexicana subsp. virescens David L. Morgan 1960-6-22 s.n. Sonoma Watkins Ranch, 1/2 mi. NW of Penngrove on Redwood Highway Comment
  HSC9783  Eragrostis mexicana subsp. virescens C. S. Chavez 1965-6-10 86 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  RSA785924  Erechtites glomeratus Peter Rubtzoff 1954-8-3 1636 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC291249  Erechtites minimus John Thomas Howell 1946-8-17 22868 a Sonoma Cunningham Marsh Comment
  CAS-BOT-BC368007  Ericameria arborescens Greg de Nevers 1989-9-5 9100 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC366902  Erigeron Greg de Nevers 1997-8-17 11078 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  UC1299250  Erigeron Freed W. Hoffman 1946-8-14 590 Sonoma East Austin Creek North Coast Ranges, Rocky Mountain, East Austin Creek Comment
  UCD132089  Erigeron Jackie Sinkey; Rene Westbrook 1976-4-14 s.n. Sonoma Bodega Head. Comment
  CAS-BOT-BC293624  Erigeron biolettii Walter Knight; Irja Knight 1963-10-27 411 Sonoma Spring Mt. Road Comment
  UCD131901  Erigeron foliosus var. hartwegii Ann F. Johnson 1979-7-2 s.n. Sonoma Bodega Dunes State Park. Comment
  CAS-BOT-BC295126  Erigeron glaucus John H. Thomas 1976-6-15 18308 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  POM40204  Erigeron glaucus Marcus E. Jones 1882-7-17 3622 Sonoma Duncan's Mills. Comment
  UCD132009  Erigeron glaucus Charles B. Heiser Jr. 1946-8-17 1832 Sonoma Jenner. Comment
  JEPS87223  Erigeron philadelphicus var. philadelphicus Jack and Betty Guggolz 1992-5-17 1302 Sonoma on the w side Black Mountain (e of Geyserville, Anderson Trail) 585 Comment
  JEPS86806  Erigeron reductus var. angustatus Jack and Betty Guggolz 1991-6-29 1200 Sonoma approx. one mi NNW of the center of Camp Meeker Camp Meeker Comment
  UC1299251 Image available Erigeron serpentinus Freed W. Hoffman 1947-5-30 558 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC224152  Eriodictyon californicum Alice Eastwood 1915-6-5 4594 Sonoma Petrified Forest Comment
  SEINET5501281 Image available Eriodictyon californicum Sally Walker 1981-5-13 Sonoma 2 mi E of Occidental Comment
  JEPS82262  Eriogonum compositum var. compositum Roger Raiche 1983-6-4 30373 Sonoma s side Sweetwater Springs Road 3.9 mi w its origin at West Side Highway ((above Porter Creek e of its intersection with John Gordon Creek)) Comment
  CAS-BOT-BC248813  Eriogonum compositum var. compositum Roger Raiche 1983-6-4 30373 Sonoma On s. side of Sweetwater Springs Rd. (above Porter Creek somewhat e. of its intersection with John Gordon Creek), 3.9 mi. w. on Sweetwater Springs Rd. from its origin at west side highway 121 Comment
  UCD160838  Eriogonum dasyanthemum James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3483 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  UC412860  Eriogonum latifolium Miss C. M. Hoak 1912-8-8 Sonoma Monte Rio Comment
  CAS-BOT-BC259252  Eriogonum latifolium W. R. Dudley 1893-9-9 s.n. Sonoma Near mouth of Russian River Comment
  CAS-BOT-BC259476  Eriogonum luteolum F. G. Krauss 1893-10-8 s.n. Sonoma K. Ranch Comment
  OBI11030  Eriogonum luteolum Robert F. Hoover 1965-6-29 9476 Sonoma North of summit on Harrison Grade, road near Occidental Comment
  CAS-BOT-BC259479  Eriogonum luteolum David L. Morgan 1955-7-28 s.n. Sonoma 5 miles west of Petaluma Comment
  CAS-BOT-BC261684  Eriogonum nudum var. nudum C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  RSA393332  Eriogonum nudum var. nudum Christopher Davidson 1977-6-20 6022 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  CAS-BOT-BC300356  Eriophyllum John H. Thomas 1955-5-22 5193 Sonoma Graton - Occidental Road, about 3.5 miles west of Occidental 60 Comment
  UCD131466  Eriophyllum confertiflorum var. confertiflorum Frederica Bowcutt 1994-6-25 1919 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/4 mi. from Gray Pine Trail. 670 Comment
  CAS-BOT-BC300959  Eriophyllum lanatum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UCD131472  Eriophyllum lanatum Beecher Crampton 1959-6-16 5366 Sonoma 3 miles west of Graton. Comment
  CAS-BOT-BC301146  Eriophyllum lanatum var. achilleoides H. L. Mason 1934-4-28 8075 Sonoma Head of Dohrman Creek, Jensen's Ranch, four miles west of Healdsburg Comment
  CAS-BOT-BC301149  Eriophyllum lanatum var. achilleoides A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  RSA143962  Eriophyllum lanatum var. achilleoides Roxana S. Ferris, Laura Lorraine 1961-6-14 13524 Sonoma Junction of Bittner Rd. with Joy Rd. between Occidental and Bodega. Comment
  CAS-BOT-BC301280  Eriophyllum lanatum var. arachnoideum J. Clausen 1935-5-24 1086 Sonoma 5.1 mi. S. of Jenner on the Bodega road Comment
  CAS-BOT-BC301297  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan's Mills Comment
  CAS-BOT-BC301298  Eriophyllum lanatum var. arachnoideum Peter Rubtzoff 1952-6-3 1151 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  POM358137  Eriophyllum staechadifolium Christopher Davidson 1977-6-17 5886 Sonoma Coast Hwy 1, ca. 3 miles N of Jenner. Comment
  JEPS117126  Erodium botrys Peter Warner 2010-3-29 119 Sonoma 1670 Bloomfield Road, approx. 3 km S of center Sebastopol, throughout property. Comment
  UCD103021  Erodium botrys Frederica Bowcutt; Kate Mawdsley 1996-3-24 2071 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air mile south of Red Mountian, just south of Sonoma Creek. 365 Comment
  SEINET12183675  Erodium brachycarpum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -247 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UCD103125  Erodium brachycarpum John Thomas Howell 1965-3-25 s.n. Sonoma Southwest of Sonoma. Comment
  CDA28601  Eryngium aristulatum G. F. Hrusa, A. Buckmann (DFG) 1996-10-5 13582 A Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Comment
  SBBG27233  Eryngium aristulatum var. aristulatum J. T. Howell 1933-8-27 11619 Sonoma San Pablo Bay SW of Sonoma Comment
  UCD127472  Eryngium armatum P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  CDA20458  Eryngium armatum P. Lane 2003-7-25 PDR P 092137 Sonoma Northwestern California; 1301 Ferguson Rd, Sebastopol. 0 Comment
  UC1931037  Eryngium constancei G. F. Hrusa 1996-10-5 13582 A Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m SW of Calistoga. 700 Comment
Read comments
Jan 8 2013
  UCD136329  Erysimum capitatum var. capitatum M. Rei Scampavia Evangelista 2012-5-20 11 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  CAS-BOT-BC153621  Erythranthe inodora Peter Rubtzoff 1959-6-13 4128 Sonoma Willow Creek Marsh. Bank of Willow Creek Comment
  SEINET8370236  Erythranthe microphylla Robert F. Thorne 1965-4-19 34286 Sonoma near county dump on Stoetz Road off of Harrison Grade ca. 2 miles nne of Occidental. 183 Comment
  CAS-BOT-BC402864  Eschscholzia caespitosa Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy. 3 mi north of Occidental Comment
  CAS-BOT-BC403699  Eschscholzia californica Alice Eastwood 1899-6-9 s.n. Sonoma Bodega Point Comment
  UCD95274  Eschscholzia californica Chris Bowen 1974-5-19 135 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  UCR44930  Eschscholzia californica L. F. LaPre 1986-6-2 s.n. Sonoma Red Slide, serpentine rockslide along upper East Austin Creek, 5 mi north of Cazadero, 3 mi up a private road from Mannings Flats, Austin Creek State Recreation Area 305 Comment
  CAS-BOT-BC403696  Eschscholzia californica F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  CAS-BOT-BC540836  Euphorbia Peter Rubtzoff 1970-9-2 6359 Sonoma Mirabel Park; Russian River bottom Comment
  CDA34798  Euphorbia oblongata Peter Warner 2010-4-22 134 Sonoma State Hwy. 128, ~3.03 mi (fr. N) at turnout on E side of road at metal gate, about 2 NW of Cloverdale. Comment
  UC86939  Eurybia radulina Michener and Bioletti Sep 7 1891-Jan 1 1900 110 /a Sonoma Comment
  RSA0051265  Euthamia occidentalis Greg de Nevers 2002-9-9 12841 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 152 Comment
  UCR255523  Euthamia occidentalis Peter Rubtzoff 1956-9-15 2915 Sonoma Atascadero Creek Marsh 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
  CAS-BOT-BC278281  Festuca californica G. DeNevers 1982-4-18 1948 Sonoma Pepperwood Ranch. In W arm at Garrison Canyon Comment
  UC730045  Festuca californica Leo F. Koch 1940-4-18 784 Sonoma w of Occidental (at e entrance of Coleman Valley); Coleman Valley Comment
  CAS-BOT-BC283192  Festuca californica subsp. californica Peter Rubtzoff 1952-6-10 1236 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC283186  Festuca californica subsp. californica G. DeNevers 1981-4-25 801 Sonoma Near the main Pepperwood entrance, along the creek runnin past the chicken-goat area, Pepperwood Ranch Comment
  CAS-BOT-BC278885  Festuca occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-14 13534 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  UCD66116  Festuca occidentalis Beecher Crampton 1955-6-17 2926 Sonoma State Hwy. 12, 1.6 miles west of Forestville. Comment
  UCR198238  Festuca occidentalis Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .299 Sonoma Bouverie Preserve; east of Hwy 12 near Glen Ellen 110 Comment
  SD39853  Festuca perennis Edith A. Purer 1932-7-24 4084 Sonoma Near Bodega Bay Comment
  CAS-BOT-BC279076  Festuca rubra D. E. Breedlove 1980-6-28 44795 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC573932  Festuca rubra H. S. Yates 1937-5-31 6564 Sonoma 1 mi wsw Petrified Forest; Calistoga Quad. 274 Comment
  UC1153832  Festuca subuliflora Beecher Crampton 1955-6-15 2961 Sonoma 2 mi e Fort Ross Comment
  CAS-BOT-BC53279  Frangula californica subsp. californica Peter Rubtzoff 1951-6-16 251 Sonoma Uppermost part of the westsern branch of the Upper Marsh Comment
  CAS-BOT-BC504398  Fritillaria Saichi Kawaha 1968-4-20 320 Sonoma 1 mile northeast of Highway 12 152 Comment
  RSA177962  Fritillaria recurva Robert F. Thorne 1965-4-20 34381 Sonoma Charles Newmans place up Los Alamos Rd, on Rincon Ridge 396 Comment
  UCD158783  Galium bolanderi James A. Neilson Jr. 1974-6-1 2768 Sonoma Mayacmas Mountains, Geyser Rock, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  JEPS128191  Galium californicum Roger Raiche 1999-5-23 007 .99 Sonoma The Cedars, Mineral Falls Canyon, Lunar Fork. Lower Russian River, Big Austin Creek watershed. 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
  POM63227  Galium divaricatum Michener, Bioletti 1892-7-1 s.n. Sonoma Hood's Peak Comment
  RSA47803  Galium divaricatum Roxana S. Ferris, Laura Lorraine 1948-6-9 11661 Sonoma 1 miles from Geyserville on road to Kellogg. Comment
  UCD151154  Galium nuttallii James A. Neilson Jr. 1973-6-7 3563 Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  CAS-BOT-BC371433  Galium parisiense Greg de Nevers 1997-4-22 10953 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Above Bechtel House 400 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
  SD58505  Galium porrigens var. porrigens Joseph T. Gregory 1936-3-15 1055 Sonoma East side of Russian River on road from Cloverdale to Hopland, first point north of drinking fountain Comment
  CAS-BOT-BC303507  Gamochaeta ustulata Walter Knight; Irja Knight 1963-8-13 316 Sonoma Horseshoe Cove Comment
  UC353921  Garrya fremontii Milo S. Baker Jan 1928 3235 b Sonoma Hope Valley; n of Barber place Comment
  UC727755  Garrya fremontii Milo S. Baker 1946-2-9 11263 Sonoma Hope Valley Kenwood Region (near Chamberlain Place) Comment
  UCD162159  Garrya fremontii D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1513 Sonoma Hooker Creek watershed. 450 Comment
  POM188277  Gastridium phleoides Marcus E. Jones 1931-7-5 29208 Sonoma The Geysers. Comment
  UCR248909  Gastridium ventricosum Peter Rubtzoff 1974-6-2 7527 Sonoma Upper Green Valley Marsh Comment
  UCD117454  Gaultheria shallon Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-21 045 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC193257  Genista monspessulana Walter Knight; Irja Knight 1963-8-23 402 Sonoma Joost Ranch, Calistoga Rd. Comment
  CAS-BOT-BC193258  Genista monspessulana Alice S. M. McKenzie 1981-1-11 s.n. Sonoma Coast between Russian and Gualala Rivers; Beside Hwy. 1; in Timber Cove area. Comment
  POM264463  Gentiana oregana Annetta Carter, Ethel Crum 1941-6-22 1638 Sonoma 3.3 miles E of Bay (Bodega Bay). Comment
  SDSU7153  Gentiana sceptrum D. F. Howe 1972-6-27 4841 Sonoma Near Pitkin Marsh. Comment
  UCD103493  Geranium core-core Frederica Bowcutt 1984-6-23 440 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg on the Sonoma County coast. West of Highway 1, approx. 1/2 mile north of Gerstle Cove. 15 Comment
  CDA34813  Geranium dissectum Peter Warner 2010-3-29 178 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  SEINET12183370  Geranium dissectum W. Irja, Knight, T. 1984-1 5037 Sonoma around Royal Oaks Mobile-home Park on N McDowell Blvd., Petaluna Comment
  UCD103360  Geranium dissectum Caitlin Lewis; William Mutch 1993-4-17 22 Sonoma Sugarloaf Ridge State Park. About 40 miles N of San Francisco, 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. Along Sonoma Creek. 365 Comment
  CDA36947  Geranium molle 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
  SEINET7067224  Gilia capitata A. G. Vestal 1947-5-12 s.n. Sonoma About 1 mile east of Occidental on the Occidental Road. Coordinate datum: NAD27. 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
  SEINET5501090  Gilia capitata Sally Walker 1981-5-25 Sonoma 4 miles W of Occidental Sonoma Co. Comment
  JEPS46208  Gilia capitata subsp. capitata Eleanor Armstrong 1932-5-15 453 Sonoma near Camp Meeker; near Camp Meeker 106 Comment
  UC1182817  Gilia capitata subsp. capitata A. R. Kruckeberg 1949-7-22 S- 124 Sonoma 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
  UC726807  Gilia capitata subsp. tomentosa A. A. Heller 1940-5-17 15631 Sonoma immediately e Bodega Bay (on State Highway 1) Comment
  UC124891  Gilia tricolor subsp. tricolor Katharine Brandegee May 1890 Sonoma Mt. St. Helena Comment
  UC1299519  Gilia tricolor subsp. tricolor Freed W. Hoffman 1947-4-3 879 Sonoma near Guerneville (headwaters of Fife Creek on road to Austin Ranch); North Coast Ranges, Fife Creek, near Guerneville Comment
  UCD117977  Gilia tricolor subsp. tricolor Christine Lee 1993-4-24 106 Sonoma about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, about 2.5 air miles north of Kenwood, about 18 air miles NW of Napa. N of Sonoma Creek about 25 meters. 396 Comment
  UCD166998  Githopsis diffusa subsp. robusta James A. Neilson Jr. 1984-5-30 s.n. Sonoma Mayacamas Mountains, Wildhorse, Caldwell Pines (Exact location unknown, coordinates estimated by label maker. Georeferenced near Wildhorse Cr., Neilson collection from 1975 are from Wildhorse #1 in the Caldwell Pines area.) Comment
  RSA436246  Githopsis specularioides P. H. Raven 1965-5-16 20217 Sonoma Near Frantz District School Comment
  UC518025  Glebionis segetum Lewis S. Rose 1933-5-9 33154 Sonoma Bodega Bay Comment
  CAS-BOT-BC303750  Glebionis segetum Robert M. King 1980-7-8 8411 Sonoma Generally 2 miles N of Bodega Bay Comment
  JEPS26838  Glechoma hederacea Rimo Bacigalupi 1961-5-21 7701 Sonoma 3.25 mi nw Sebastopol (at corner of Mills station road and Occidental road, drainage of Atascadero Creek); Atascadero Creek 40 Comment
  SEINET13944156 Image available Glehnia leiocarpa W. A. Weber 1964-1 12192 Sonoma Salmon Creek State Park, N of Bodega Bay; ocean bluffs Comment
  CAS-BOT-BC227665  Glyceria Peter Rubtzoff 1964-5-30 5325 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa. Comment
  CAS-BOT-BC283842  Glyceria Paul But 1975-5-18 991 Sonoma W end of Sebastopol city limit, in vernal pool along road to Occidental Comment
  SEINET11690158  Glyceria X occidentalis W. Knight, Knight, I.; Howell, J. T. 1987-1 6236 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC282812  Glyceria leptostachya Peter Rubtzoff 1955-5-14 1837 Sonoma Forestville Marsh Comment
  RSA94014  Glyceria striata Peter Rubtzoff 1951-6-9 160 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  UCD105811  Glycyrrhiza lepidota Freed W. Hoffman 1946-8-16 785 Sonoma Near Guerneville. Gravel bar, Russian River. Comment
  CAS-BOT-BC303862  Gnaphalium Peter Rubtzoff 1973-8-20 7240 Sonoma Sonoma Creek bottom near Agua Caliente Rd crossing W of Agua Caliente Comment
  CAS-BOT-BC166679  Gnaphalium chilense Peter Rubtzoff 1958-8-23 3927 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC166703  Gnaphalium chilense Peter Rubtzoff 1962-9-9 5081 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC166907  Gnaphalium chilense Peter Rubtzoff 1962-9-22 5096 Sonoma Vacation Beach, 2 miles below Guerneville. Comment
  CAS-BOT-BC302695  Gnaphalium palustre Peter Rubtzoff 1958-7-5 3736 Sonoma Atascadero Creek Marsh. Comment
  RSA800602  Gratiola Peter Rubtzoff 1974-5-11 7387 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC164096  Grindelia Peter Rubtzoff 1971-6-10 6533 Sonoma Laguna de Santa Rosa E of Graton, between Occidental and Guerneville Roads. Comment
  SEINET11845375  Grindelia camporum W. Knight, Knight, I.; Knight, T. 1985-1 6349 Sonoma Pine Flat Road, between Jimtown & geothermal area Comment
  CAS-BOT-BC305176  Grindelia hirsutula John Thomas Howell 1930-6-8 5223 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  UC468761  Grindelia hirsutula Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC305194  Grindelia hirsutula Milo S. Baker 1946-7-30 11542 Sonoma Eastern margin of Laguna. Upland. Along Occidental Rd. near bridge Comment
  UCSB50242  Grindelia hirsutula Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11N 15 Comment
  CAS-BOT-BC123707  Grindelia hirsutula var. hirsutula John Thomas Howell 1930-7-13 5338 Sonoma Black Point Road Comment
  CAS-BOT-BC123708  Grindelia hirsutula var. hirsutula John Thomas Howell 1930-7-13 5338 Sonoma 8 miles W of Petaluma on Bodega Road Comment
  CAS-BOT-BC302254  Harmonia nutans J. Clausen 1935-5-23 1073 Sonoma Petrified Forest, near entrance Comment
  UC584185  Harmonia nutans J. Clausen 1935-5-24 1077 Sonoma first ravine above Kenwood Springs; Adobe Canyon, Sonoma Creek Comment
  CAS-BOT-BC302249  Harmonia nutans F. G. Krauss 1895-5-6 s.n. Sonoma Mountain near Franze [Franz] & Knights Valleys Comment
  CDA34790  Hedera helix Peter Warner 2010-3-1 110 Sonoma State Hwy 1 at 6.77 mile marker, west of junction of Bay Hill Rd. between road and Cheney Gulch Creek. Comment
  CAS-BOT-BC306328  Hedypnois cretica John Thomas Howell 1931-4-18 6423 Sonoma At mouth of Salmon Creek, 2 miles n. of Bay Comment
  CAS-BOT-BC306327  Hedypnois cretica F. Almeda; G. DeNevers 1981-4-28 4898 Sonoma Pepperwood Ranch. Vicinity of the Bechtel Cabin Comment
  CAS-BOT-BC262976  Helenium puberulum Peter Rubtzoff 1957-8-18 3524 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UC479400  Helenium puberulum Marcus E. Jones, A. M. 1931-7-5 29104 Sonoma The Geysers Comment
  CAS-BOT-BC309578  Helenium puberulum G. DeNevers 1981-6-18 1572 Sonoma Pepperwood Ranch. Pippindale Pond Comment
  RSA74081  Helianthemum scoparium var. vulgare Anonymous 1947-5-12 11765 Sonoma South slope of Sugar Loaf Peak of Hood Mt. 457 Comment
  CAS-BOT-BC257144  Hemizonia Peter Rubtzoff 1959-6-13 4115 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC258385  Hemizonia Peter Rubtzoff 1966-6-5 5753 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC258906  Hemizonia Peter Rubtzoff 1961-8-24 4703 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC268068  Hemizonia Peter Rubtzoff 1971-9-30 6710 Sonoma Laguna, Chileno Valley. Comment
  RSA800150  Hemizonia Peter Rubtzoff 1970-8-5 6302 Sonoma 5 mi north of Sears Point. Comment
  UC75963  Hemizonia citrina Miss M. Alice King 1987-6-1 Sonoma Comment
  RSA81582  Hemizonia clevelandii James I. McMurphy 1909-8-9 709 Sonoma 1 mile S of Sonoma. Comment
  UC197511  Hemizonia congesta H. M. Hall 1916-7-23 10245 Sonoma 12 mi nw Petaluma Comment
  RSA159433  Hemizonia congesta James I. McMurphy 1909-8-8 701 Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  RSA81615  Hemizonia congesta James I. McMurphy 1908-09 s.n. Sonoma George's Vineyard, near Fulton. Comment
  UC523520  Hemizonia congesta David D. Keck 1933-11-10 2731 Sonoma 2.3 mi sw Shellville Comment
  CAS-BOT-BC306161  Hemizonia congesta subsp. clevelandii Walter Knight; Irja Knight 1963-9-25 119 Sonoma Blue Bell Lane, Coddingtown Comment
  RSA14739  Hemizonia congesta subsp. clevelandii L. S. Rose 1935-9-11 35622 Sonoma 2 mi N of Healdsburg. 40 Comment
  SDSU4568  Hemizonia congesta subsp. clevelandii D. F. Howe 1962-7-28 3361 Sonoma Mark West Creek, 3.4 miles east of #101. Comment
  CAS-BOT-BC306224  Hemizonia congesta subsp. congesta John Thomas Howell 1945-8-14 21408 Sonoma Perry Marsh Comment
  CAS-BOT-BC306236  Hemizonia congesta subsp. congesta Greg de Nevers 1986-9-20 8114 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS54474  Hemizonia congesta subsp. congesta Rimo Bacigalupi and L. R. Heckard, and Peter Rubtzoff 1967-8-30 9315 Sonoma Pitkin Marsh 53 Comment
  SDSU4572  Hemizonia congesta subsp. congesta D. F. Howe 1962-7-29 3364 Sonoma 4.3 miles north of Jenner on #1. 122 Comment
  UC1069501  Hemizonia congesta subsp. congesta H. S. Yates 1935-10-3 5348 Sonoma Santa Rosa Santa Rosa Quadrangle Comment
  CAS-BOT-BC309699  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station, between Santa Rosa and Sebastopol 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
  SD88511  Hemizonia congesta subsp. lutescens Darley F. Howe 1972-6-28 4844 Sonoma 4.5 miles north of Jenner. Comment
Read comments
May 24 2013
  UC483683  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-9 5746 Sonoma 1 mi e Occidental Comment
  UCD38976  Hemizonia congesta subsp. lutescens Beecher Crampton 1960-11-29 5809 Sonoma 4 miles southeast of Santa Rosa, Mantanzas Creek, 1/2 mile north of Benntett Valley Grange Hall. Comment
  JEPS119408  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2805 Sonoma North Coast Ranges, 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 Comment
  CAS-BOT-BC309940  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2731 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  CAS-BOT-BC309951  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-5-29 s.n. Sonoma Grade, ridge S. of Geysers Comment
  SD53366  Hemizonia congesta subsp. luzulifolia Darley F. Howe 1962-7-28 3361 Sonoma Mark West Creek, 3.4 miles east of Highway 101. Comment
  RSA159434  Hemizonia lutescens James I. McMurphy 1909-8-8 701 -C Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  RSA81596  Hemizonia multicaulis subsp. vernalis James I. McMurphy 1910-6-8 s.n. Sonoma Where road enters hills E of Petaluma. Comment
  RSA81679  Hemizonia multicaulis subsp. vernalis James I. McMurphy 1909-5-28 s.n. Sonoma About 1 mile W of Santa Rosa. Comment
  UC174206  Heracleum lanatum Katharine Brandegee June, 1905 Sonoma Bodega Comment
  UC903740  Hesperolinon micranthum Milo S. Baker 1947-5-5 11728 Sonoma s slope of mountain above Baker Ranch; Inner North Coast Ranges, Hood Mt. 213 Comment
  UCD95454  Hesperomecon linearis P. G. Connors 1992-5-14 256 Sonoma Bodega Marine Laboratory. On north slope of old dune. Comment
  UCD95457  Hesperomecon linearis Laurie E. Miller 1974-5-11 158 Sonoma Bodega Head outside Bodega Marine Life Refuge. 6 Comment
  CAS-BOT-BC149831  Heteromeles arbutifolia Ynez Whilton Winblad 1941-6-20 s.n. Sonoma Between Ukiah and Santa Rosa, Highway 101 Comment
  UC688921  Heterotheca grandiflora Freed Hoffman 1943-12-1 Sonoma near Guerneville (Northwood); Russian River Comment
  CAS-BOT-BC310984  Heterotheca grandiflora Freed Hoffman 1943-12-1 s.n. Sonoma Northwood, Russian River near Guerneville Comment
  CAS-BOT-BC251213  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC311163  Heterotheca sessiliflora subsp. bolanderi J. W. Congdon 1880-7-1 s.n. Sonoma Two Rock Comment
  UC858049  Heuchera pilosissima M. V. Ott 1934-3-31 79 Sonoma Larkspur Hill, 3 mi w Bodega (near the coast) Comment
  CAS-BOT-BC424431  Heuchera pilosissima Dorothy Scherer 1997-5-20 112 Sonoma SE of Kolmer Gulch and Hwy. One, Fort Ross State Historic Park 36 Comment
  POM253357  Heuchera pilosissima A. A. Heller 1938-5-14 s.n. Sonoma S end of Bodega Bay Comment
  SEINET12216686  Heuchera pilosissima F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -153 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  UC496386  Hieracium albiflorum Merle Randall 1930-6-8 Sonoma Cazadero Comment
  UCD160864  Hieracium albiflorum James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3299 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CHSC8208  Hierochloe occidentalis Dave Isle 1969-5-10 448 Sonoma 8 miles S. of Stewarts Point off the E. side of HW 1. 30 Comment
  UCD158716  Hoita macrostachya Teresa A. Sholars 1976-9-9 s.n. Sonoma Mayacmas Mtns. Ca. 2.5 mi east of the junction of Socrates Mine Rd. and Pine Flat Rd., at the headwaters of Big Sulphur Creek. Elevation estimated by label maker. 975 Comment
  RSA124809  Hoita macrostachya Peter H. Raven, R. Snow 1958-7-23 13683 Sonoma 10.5 miles west of Skaggs Springs. Comment
  UCD105878  Hoita macrostachya E. M. Loeb 1930-7-1 s.n. Sonoma Wappo Indians, Redwood Highway, 1 1/2 miles below Healdsburg. Dept. of Anthropology. Comment
  NY11970  Hoita villosa A. A. Heller 1902-6-24 5761 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC280800  Holcus lanatus Peter Rubtzoff 1951-8-4 590 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  UC1011008  Holcus lanatus Virginia Bufford 1936-5-22 407 Sonoma Highway 1 - 4 mi s Stewarts Point; s of Stewarts Point Comment
  CAS-BOT-BC164699  Holocarpha Peter Rubtzoff 1970-5-30 6252 Sonoma 5 miles north of Sears Point. Comment
  UCD150125  Holocarpha virgata Ayzik Solomeshch 2009-5-11 s.n. Sonoma Northwest of the city of Santa Rosa, S of River Rd and W of Fulton Rd. Just N of Wood Rd. Sampling pool #4. 44 Comment
  CAS-BOT-BC320404  Holocarpha virgata James I. McMurphy 1906-7-17 s.n. Sonoma Fulton Comment
  SEINET11843924  Holocarpha virgata W. Knight, Knight, I. 1988-1 6340 Sonoma Kortum Canyon, at county line 351 Comment
  CAS-BOT-BC152391  Holodiscus discolor var. discolor D. E. Breedlove 1980-6-27 44761 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC166740  Holozonia filipes Peter Rubtzoff 1971-7-9 6601 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA783729  Holozonia filipes Peter Rubtzoff 1955-8-27 2095 Sonoma Bennett Mountain Lake. Comment
  SEINET258713 Image available Hordeum brachyantherum M. Barkworth, D Amme 1989-6-15 5174 Sonoma South end of Bodega Head on restored grassland. 81 Comment
  UC1746175  Hordeum brachyantherum Annetta M. Carter 1934-4-29 513 Sonoma 1 mi. W of Two Rock Junction on rd. to Tomales. Comment
  UCD147291  Hordeum brachyantherum subsp. brachyantherum Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 304 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  JEPS128384  Hordeum brachyantherum subsp. californicum Roger Raiche 2000-5-27 113 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET248557 Image available Hordeum leporinum Richard R. Halse 1987-2-2 3375 Sonoma Along State Hwy. 121, .4 miles E of its junction with State Hwy 116 at Big Bend in the Sonoma Valley. 6 Comment
  CAS-BOT-BC285197  Hordeum marinum subsp. gussoneanum Peter Rubtzoff 1960-5-18 4374 Sonoma Bodega Head Marsh Comment
  UC573679  Hordeum marinum subsp. gussoneanum H. S. Yates 1936-5-16 5601 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  SEINET11690145  Hordeum marinum subsp. gussoneanum J. T. Howell, Knight, W.; Knight, I. 20 May 198? 6234 Sonoma Todd Road Preserve, corner Todd & Llamo Rds 24 Comment
  UC903144  Horkelia californica Ethel Crum 1930-7-27 818 Sonoma n Fort Ross; North Coast Ranges Comment
  CAS-BOT-BC536159  Horkelia californica var. elata W. W. Carruth 1900-7-1 s.n. Sonoma Russian River Comment
  CAS-BOT-BC536168  Horkelia californica var. elata Volney Rattan 1877-6-23 s.n. Sonoma Healdsburg Comment
  JEPS21577  Horkelia tenuiloba Lauramay T. Dempster 1958-5-24 1106 Sonoma along road Vine Hill district Comment
  JEPS86813  Horkelia tenuiloba Jack and Betty Guggolz 1991-5-4 1126 Sonoma one mi w Dry Creek Road (firebreak on the south side of Bradford Mountain); Bradford Mountain 341 Comment
  RSA97645  Horkelia tenuiloba J. T. Howell 1945-5-30 s.n. Sonoma Vine Hill School Comment
  UCD106023  Hosackia gracilis P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  UCD106029  Hosackia gracilis G. F. Pratt; C. Pierce 2003-5-15 s.n. Sonoma North Coast: Salt Point State Park. 30 Comment
  UCD128230  Hydrocotyle ranunculoides David E. Bayer 1960-9-29 s. n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC290631  Hypericum Peter Rubtzoff 1971-6-26 6576 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC400995  Hypericum anagalloides Peter Rubtzoff 1951-7-1 329 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC410823  Hypericum concinnum F. G. Krauss 1894-5-1 s.n. Sonoma Mountains W of Calistoga Comment
  JEPS36533  Hypochaeris glabra M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma Guerneville; Russian River Comment
  CAS-BOT-BC316683  Hypochaeris glabra G. DeNevers 1981-5-9 1061 A Sonoma Below the Strebel Homestead, Pepperwood Ranch Comment
  UCD133333  Hypochaeris glabra Mary M. Hektner 1976-5-10 254 Sonoma above beach near the Sea Ranch Association Office; Unit 36 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC316715  Hypochaeris radicata Peter Rubtzoff 1951-7-8 396 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  POM118406  Iris Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  SDSU11754  Iris macrosiphon D. F. Howe 1963-5-23 3526 Sonoma 3.8 miles north of Cloverdale on #128 335 Comment
  SEINET7883381 Image available Iris macrosiphon Laura Zeller 1965-1 2 Sonoma Ca. 1.5 miles E of Highway 12 on Cavedale Road 198 Comment
  CAS-BOT-BC376406  Isoetes Greg de Nevers 1997-5-30 11010 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Three Tree Hill. 400 Comment
  JEPS52323  Isoetes howellii Wayne Roderick April, 1965 Sonoma e. Cotati (on Rivers Ranch, Sonoma Mts.); Sonoma Mts., Rivers Ranch 304 Comment
  CAS-BOT-BC61918  Isoetes nuttallii John Thomas Howell 1947-6-26 23301 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC340232  Jaumea carnosa Roxana S. Ferris 1937-8-18 9372 Sonoma Near mouth of Salmon Creek on Bodega Bay Comment
  UCD142837  Juncus G. F. Hrusa; R. Gross 1996-6-30 13061 Sonoma 2 mi. SW of Calistoga. Diamond Mountain Road. 700 Comment
  CAS-BOT-BC109884  Juncus Peter Rubtzoff 1974-10-20 7938 Sonoma Hinebaugh Creek in Rohnert Park.Creek east of Commerce Blvd. Comment
  CAS-BOT-BC322123  Juncus arcticus Peter Rubtzoff 1957-5-11 3333 Sonoma Occidental Marsh. Comment
  JEPS63823  Juncus balticus J. Burtt Davy 1897-9-18 4051 Sonoma Petaluma marshes Petaluma Comment
  UC842252  Juncus bolanderi Marcus E. Jones, A. M. 1882-7-17 3523 Sonoma Duncan's Mills Comment
  SEINET3877577  Juncus bufonius A. A. Heller 1902-6-11 5688 Sonoma Santa Rosa creek, east of Santa Rosa.; 0 Comment
  SEINET7067269  Juncus bufonius A. G. Vestal 1947-5-13 s.n. Sonoma About 1.6 miles east of Annaplis on the Annapolis Road. Coordinate datum: NAD27. UTM 10, 425816mE, 4285229mN. Comment
  UC1057463  Juncus bufonius G. Thomas Robbins 1937-5-23 195 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region) Comment
  UC1601701  Juncus bufonius J. Burtt Davy 1894-6-17 Sonoma Knights Valley Comment
  SEINET6333666  Juncus bufonius A. A. Heller 1902-6-11 5688 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  SEINET6877095  Juncus bufonius W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 5 miles north of Fort Ross. Comment
  UC143806  Juncus bufonius var. congestus A. A. Heller 1902-6-11 5688 Sonoma e of Santa Rosa; Santa Rosa Creek Comment
  UCR51378  Juncus effusus L. F. LaPre 1987-6-28 s.n. Sonoma North Coast Range, Pine Flat Road, spring near Contact Mine Comment
  RSA785890  Juncus effusus Peter Rubtzoff 1964-7-29 5455 Sonoma Duncans Mill Marsh. Comment
  CAS-BOT-BC157996  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5902 Sonoma Lichan Marsh Comment
  UCD165113  Juncus effusus subsp. pacificus Peter Rubtzoff 1973-9-9 7324 Sonoma Kenwood Marsh. Comment
  UCR244513  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5904 Sonoma Lichau Marsh [5 miles northeast of Penngrove on Lichau Road] 220 Comment
  CAS-BOT-BC329266  Juncus lescurii Peter Rubtzoff 1955-8-20 2068 Sonoma Bodega Harbor Marsh. Comment
  RSA0031403  Juncus lescurii Peter Rubtzoff 1954-7-26 1554 Sonoma Coleman Marsh. Comment
  UCD141578  Juncus lescurii Terri Williamson 1990-5-20 64 Sonoma Bayflat Road. Bodega Bay. 3 Comment
  RSA42042  Juncus occidentalis H. C. Cantelow 1936-5-3 1304 Sonoma El Verano. Comment
  UCD141633  Juncus occidentalis Mary M. Hektner 1976-12-15 280 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD35656  Juncus patens Beecher Crampton 1959-6-16 5389 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  RSA94015  Juncus phaeocephalus var. phaeocephalus Peter Rubtzoff 1951-7-21 509 Sonoma Pitkin Marsh, near Forestville; Between the Upper and the Lower marshes. Comment
  CAS-BOT-BC488338  Keckiella corymbosa James A. Neilson, Jr. 1974-7-10 2824 Sonoma Mayacmas Mountains, W of Cobb Mountain, along road to PG&E geothermal units 9 and 10, eastern Sonoma Co. 960 Comment
  CDA2757  Kniphofia uvaria Greg de Nevers 1981-11-2 1882 Sonoma Pepperwood Ranch. 10 miles northeast of Santa Rosa, near Mark West Lodge. Along a creek, 1/2 mile downstream of Ranch House. 0 Comment
  CAS-BOT-BC350941  Koeleria Peter Rubtzoff 1964-6-6 5357 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  UCD85861  Koeleria macrantha P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga - Petrified Forest Road. Comment
  CAS-BOT-BC502599  Kopsiopsis strobilacea Greg de Nevers 1991-7-20 9759 Sonoma Mt. St. Helena 1310 Comment
  UCD164593  Lagophylla Peter Rubtzoff 1975-8-26 8359 Sonoma Bennett Mountain Lake. Comment
  RSA783730  Lagophylla ramosissima Peter Rubtzoff 1975-8-26 8359 Sonoma Bennett Mountain Lake. Comment
  UCD63265  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point. Comment
  CAS-BOT-BC272433  Lamarckia aurea Greg de Nevers; Frank Almeda 1987-4-11 8146 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC173573  Lamiaceae Peter Rubtzoff 1967-9-2 5880 Sonoma Forest Hills (5.5 mi. east of Guerneville). Comment
  UC66154  Lamium amplexicaule A. A. Heller 1902-6-7 5658 Sonoma Santa Rosa Comment
  SEINET9314468  Lamium purpureum Unknown 1993-3-14 10528 Sonoma Sonoma Co., CA Comment
  JEPS83498  Lasthenia burkei Jack and Betty Guggolz 1986-5-7 866 Sonoma Carinalli property; pastureland near the far w end Comment
  JEPS86320  Lasthenia burkei Jack and Betty Guggolz 1988-4-17 915 Sonoma 400 m n San Miguel Road (200 m e of Franciscan Road) Comment
  UC1594208  Lasthenia burkei L. Huntington 1990-5-12 260 Sonoma n side of Laguna de Santa Rosa; Sebastapol 18 Comment
  UCR267442  Lasthenia burkei Ayzik Solomeshch 2009-5-11 s.n. Sonoma Northwest of the city of Santa Rosa, south of River Rd. and west of Fulton Rd., just north of Wood Rd. Sampling pool # 4 45 Comment
  JEPS86321  Lasthenia burkei Jack and Betty Guggolz 1988-4-14 914 Sonoma Comment
  CAS-BOT-BC346331  Lasthenia californica G. DeNevers 1981-4-20 759 Sonoma Pepperwood Ranch. Pippindale farm; notch at ridge above Studio on Horse Hill Comment
  POM55151  Lasthenia californica A. A. Heller, H. E. Brown 1902-4-15 5302 Sonoma Santa Rosa Creek Comment
  RSA59636  Lasthenia californica Verne Grant, Alva Grant 1950-4-24 8875 Sonoma Summit of road between Santa Rosa and Calistoga in Hood Mt. Range. Comment
  CAS-BOT-BC324932  Lasthenia californica subsp. bakeri A. A. Heller 1938-5-14 15086 Sonoma East of Bodega Bay Comment
  UC579278  Lasthenia californica subsp. bakeri H. S. Yates 1934-4-21 3787 Sonoma near Bodega 60 Comment
  JEPS19389  Lasthenia californica subsp. californica G. Thomas Robbins 1938-4-15 225 Sonoma 2.5 mi e Bodega Bay Comment
  UC1363833  Lasthenia californica subsp. macrantha Robert Ornduff 1958-4-30 4968 Sonoma just n of mouth Salmon Creek (between road (Highway 1) and ocean); Sonoma Coast Park Comment
  CAS-BOT-BC352755  Lasthenia fremontii John Thomas Howell 1943-5-10 17989 Sonoma 1 mile N of Windsor Comment
  CAS-BOT-BC355535  Lasthenia glaberrima Peter Rubtzoff 1972-5-25 6755 Sonoma Laguna, Chileno Valley Comment
  HSC82070  Lasthenia glaberrima Thomas W. Nelson, Jane P. Nelson 1980-5-3 5124 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  RSA276853  Lasthenia glaberrima Peter Rubtzoff 1958-5-10 3654 Sonoma Laguna de Santa Rosa N of Cunningham (near Todd Road) Comment
  RSA276854  Lasthenia glaberrima Peter Rubtzoff 1966-5-30 5747 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road Comment
  JEPS128224  Lasthenia gracilis Roger Raiche 2000-5-4 058 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC164661  Lathyrus Peter Rubtzoff 1974-9-7 7886 Sonoma Hinebaugh Creek, Rohnert Park. Comment
  CDA20555  Lathyrus hirsutus A. Stephens 2005-6-16 PDR 1293626 Sonoma North Coast; Petaluma Hill Rd, Petaluma. 44 Comment
  CHSC96769  Lathyrus hirsutus A. Stephens 2005-6-16 1293626 Sonoma North Coast Range. Sonoma County. Rangeland at 8617 Petaluma Hill Rd, Petaluma. Comment
  RSA0060103  Lathyrus sphaericus Greg de Nevers 1993-4-26 10404 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Road by Mountain House entrance. 100 Comment
  UCR255031  Lathyrus sphaericus Greg de Nevers 1996-6-3 10824 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD148415  Lathyrus tingitanus Peter Rubtzoff 1958-9-28 4018 Sonoma Guerneville region, Vacation Beach, near Guerneville. Comment
  UCD144410  Lathyrus vestitus G. F. Hrusa 1995-4-2 12043 Sonoma Franz Valley Road, approximately 3 miles west of Knights Valley intersection with Highway 128. 150 Comment
  RSA0060113  Lathyrus vestitus Greg de Nevers 1998-3-14 11147 Sonoma Duncans Landing beach, north of Bodega Bay. Comment
  SEINET12165326  Lathyrus vestitus W. Knight, Knight, I.; DrEdwards, S. 1986-1 5333 Sonoma trail to the summit of Geyser Peak, access from Healdsburg-Geysers Road 863 Comment
  RSA12254  Lathyrus vestitus subsp. bolanderi Carl B. Wolf 1934-6-29 5799 Sonoma 6/10 of a mile inland from Stewarts Point. 61 Comment
  UC480601  Lathyrus vestitus var. vestitus Carl Meyer 1928-3-3 309 Sonoma Santa Rosa Comment
  CDA389  Lavandula stoechas D. G. Kelch 2003-7-14 3 .277 Sonoma Cavedale Road. Comment
Read comments
Feb 14 2018
  CDA5656  Lavandula stoechas Gordon Leppig 2000-4-22 1311 Sonoma Fuller Mountain Road. Near summit of Fuller Mountain. 0 Comment
  CAS-BOT-BC323257  Layia chrysanthemoides Alice Eastwood 1921-4-24 10395 Sonoma Santa Rosa Comment
  CAS-BOT-BC323258  Layia chrysanthemoides Alice Eastwood 1921-5-8 10440 Sonoma Petaluma Comment
  UC584225 Image available Layia chrysanthemoides J. Clausen 1935-5-24 1090 Sonoma 6.2 mi s Jenner (at a little bay); ; S of Jenner, Sonoma Co. Comment
  CAS-BOT-BC323234  Layia chrysanthemoides A. A. Heller; H. E. Brown 1902-4-23 5355 Sonoma Near Sonoma Comment
  UCSB21086  Layia chrysanthemoides McCarthy, Sharon 1965-4-17 Sonoma At corner of 5th St. West and Mac Arthur St., Sonoma 25 Comment
  CAS-BOT-BC321739  Layia gaillardioides David D. Keck; J. Clausen 1935-6-15 3379 Sonoma Russian River, 3 mi above mouth. Comment
  UC1073293  Layia platyglossa George B. Rossbach 1955-3-19 547 Sonoma w rim Bodega Head; w rim of Bodega Head 45 Comment
  CAS-BOT-BC329305  Layia septentrionalis H. E. Brown; A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood Comment
  RSA0034026  Leersia Peter Rubtzoff 1987-9-27 9851 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  UCD166137  Lemna Peter Rubtzoff 1969-5-11 6049 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road. Comment
  UCD166259  Lemna Peter Rubtzoff 1970-8-18 6316 Sonoma 5 miles north of Sears Point. 11 Comment
  CAS-BOT-BC210101  Lemna Peter Rubtzoff 1970-8-18 6316 Sonoma 5 miles north of Sears Point. Comment
  UC971684  Lemna gibba Leo Koch 1940-6-12 1011 Sonoma 3 mi n of Santa Rosa (behind Fountaingrove Vineyard along Highway 101) Comment
  UCR255076  Lemna minor Peter Rubtzoff 1958-8-31 3956 Sonoma Atascadero Creek Marsh 29 Comment
  CAS-BOT-BC344879  Lemna minor Peter Rubtzoff 1961-9-20 4755 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC527277  Lemna minuta Peter Rubtzoff 1951-8-4 574 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC527278  Lemna minuta Peter Rubtzoff 1951-8-19 652 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC534920  Lemna turionifera Peter Rubtzoff 1951-9-2 705 Sonoma Pitkin Marsh, near Forestville Comment
  SEINET12320777  Lepechinia calycina W. Knight, Knight, I. 1981-1 3987 Sonoma 5.6 mi up Cavedale Road from junction of Rt. 12 Comment
  CAS-BOT-BC89149  Lepidium didymum Alice Eastwood 1915-6-29 4866 Sonoma Bodega Point. Comment
  CAS-BOT-BC89740  Lepidium latifolium Walter Knight 1963-8-9 s.n. Sonoma Petaluma city limits sign on highway to Lakeville. Comment
  CAS-BOT-BC89741  Lepidium latifolium John Thomas Howell 1966-6-2 41550 Sonoma South of Schellville near Black Point road. Comment
  UCD115834  Lepidium strictum Caitlin Lewis; William Mutch 1993-4-17 12 Sonoma About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile. Near visitor center. 365 Comment
  RSA0022357  Leptochloa Peter Rubtzoff 1965-8-16 5598 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  CAS-BOT-BC273993  Leptochloa fusca subsp. fascicularis John Thomas Howell 1957-9-26 32978 Sonoma Sandy Russian River bottom near Guerneville Comment
  CAS-BOT-BC226546  Leptosiphon acicularis John Thomas Howell 1933-4-2 10932 Sonoma Sonoma Creek Canyon Comment
  UCD161263  Leptosiphon acicularis James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3708 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
  JEPS117077  Leptosiphon acicularis Peter Warner 2010-5-6 143 Sonoma Annadel State Park, ~200 m N12 degrees E of Rough Go - Live Oak Trail junction in rocky grassland Comment
  UCD158801  Leptosiphon androsaceus James A. Neilson Jr. 1969-4-16 2869 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  RSA6406  Leptosiphon androsaceus Jens Clausen 1933-3-25 733 Sonoma Santa Rosa Creek. 183 Comment
  CAS-BOT-BC226705  Leptosiphon jepsonii Alice Eastwood 1921-4-24 10365 Sonoma Santa Rosa Comment
  CHSC117133  Leptosiphon jepsonii Estelle P. Clifton 2016-4-16 Sonoma 4611 Porter Creek Road, Santa Rosa, CA 95404 Comment
  JEPS87256  Lessingia arachnoidea Jack and Betty Guggolz 1992-8-29 1339 Sonoma about 2 1/4 mi nw of Camp Meeker 207 Comment
  CAS-BOT-BC341995  Lessingia ramulosa A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  JEPS128237  Lessingia ramulosa Roger Raiche 2000-8-18 145 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA0057953  Leucanthemum vulgare Greg de Nevers 1998-5-20 11253 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mouth of Kalfenatchi's(?) driveway. 100 Comment
  UCR246786  Leucojum aestivum Ramona Robison 2012-2-15 s.n. Sonoma Santa Rosa, Annadel State Park 351 Comment
  CAS-BOT-BC283530  Leymus X vancouverensis Peter Rubtzoff 1960-10-29 4583 Sonoma Bodega Harbor Marsh. Saline part of the Marsh and along dirt road Comment
  UCD61317  Leymus californicus G. L. Stebbins Jr.; W. S. Boyle 1942-5-12 3229 Sonoma Bodega Canyon Road, 2.5 miles west of Bodega. Comment
  CAS-BOT-BC376325  Leymus triticoides Greg de Nevers 1993-7-27 10476 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa E base of Telegraph Hill 400 Comment
  CAS-BOT-BC451701  Lilaea scilloides David Morgan 1961-5-9 s.n. Sonoma Along Redwood Highway 4 1/2 mi. s. of Mendocino Co. line Comment
  RSA276592  Lilaeopsis occidentalis Lincoln Constance 3880 Sonoma Sonoma County: Shallow water with Salix Bodega Bay Comment
  CAS-BOT-BC132998  Lilium rubescens Greg de Nevers 1990-6-11 9672 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road, Weimar Canyon 457 Comment
  CAS-BOT-BC132997  Lilium rubescens Alice Eastwood; John Thomas Howell 1939-6-11 7434 Sonoma W.F. Booth Ranch, Knights Valley Comment
  RSA215898  Limnanthes douglasii Peter Rubtzoff 1955-5-21 1875 Sonoma Ross Marsh. Comment
  SEINET12183756  Limnanthes douglasii W. Knight, Knight, I.; Johnson, B.; Edwards, S.; Edwards, J. 1990-1 6589 Sonoma Skyway Drive between Airport Drive and Shiloh Road Comment
  UC971870  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-3-14 1123 Sonoma 0.3 mi n El Verano School (open field w side of road) Comment
  POM137451  Limnanthes douglasii subsp. douglasii A. A. Heller, H. E. Brown 1902-4-16 s.n. Sonoma Fields east of Santa Rosa Comment
  RSA264714  Limnanthes douglasii subsp. douglasii Peter Rubtzoff 1971-5-8 6442 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mi west of Arnold Drive. Comment
  UC971845  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1949-4-11 1249 Sonoma w side of Hwy 37 2.4 mi n junction with Highway 48; Sears Point Comment
  RSA52724  Limnanthes douglasii subsp. nivea I. L. Wiggins 1949-4-30 12064 Sonoma 4 miles W of Calistoga Comment
  SEINET12183384  Limnanthes douglasii var. nivea F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -144 Sonoma junction Valley Ford & Franklin School Roads, ca 0.1 mi from junction Valley Ford Road & CA 1 20 Comment
  UCD166212  Limosella acaulis Peter Rubtzoff 1970-5-16 6220 Sonoma 5 miles north of Sears Point. Comment
  UC23374  Linanthus androsaceus Harley P. Chandler 1900-5-25 689 Sonoma Bodega Comment
  UC496363  Linanthus androsaceus Merle Randall 1930-6-2 Sonoma near Cazadero (Christopher Ranch) Comment
  UC72067  Linanthus androsaceus Milo S. Baker 1903-3-19 Sonoma Sonoma Creek Comment
  CDA36854  Linanthus parviflorus CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCD110566  Linum bienne William J. Costa 1968-5-18 36 Sonoma Shell Beach, ca. 1.5 air miles south of Jenner. 15 Comment
  SEINET7884058 Image available Linum spergulinum Michener, Bioletti 1892-1 376 Sonoma Magg's Springs Comment
  CAS-BOT-BC36169  Lithocarpus densiflorus var. densiflorus J. W. Congdon 1890-5-16 s.n. Sonoma Guerneville Comment
  RSA476678  Lithocarpus densiflorus var. densiflorus Christopher Davidson 1977-6-17 5874 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  CAS-BOT-BC430800  Lithophragma affine Alice Eastwood 1921-4-24 10374 Sonoma Santa Rosa Comment
  UC1299676  Lithophragma heterophyllum Freed W. Hoffman 1947-5-31 1859 Sonoma Chimney Rock near Monte Rio; North Coast Ranges, Chimney Rock near Monte Rio Comment
  UCD102737  Lithophragma heterophyllum M. Wiesendanger 1927-5-5 735 Sonoma Kenwood Springs. 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
  SEINET11991946  Lobularia maritima W. Knight, Knight, T. 1984-1 5033 Sonoma purchased at K-Mart, Petaluma Comment
  CAS-BOT-BC342496  Logfia gallica G. DeNevers 1981-5-14 1145 Sonoma Pepperwood Ranch. On the trail across Hansel's driveway Comment
  UCD167965  Logfia gallica James Neilson 1977-6-12 3920 Sonoma Mayacmas Mountains, McMicking Ranch, well site 2. (McMicking Ranch is also known as Santa Angelina Ranch and is in the vicinity of Knights Valley and Coon Creek.) Comment
  CAS-BOT-BC283297  Lolium multiflorum G. DeNevers 1981-5-30 1352 Sonoma Pepperwood Ranch. On N side of Studio Road at base of hill, near the green Gate Comment
  SEINET10592055  Lolium temulentum A. Arthur Heller 1902-6-10 Heller 5679 Sonoma Santa Rose. Comment
  UCD127037  Lomatium californicum Frederica Bowcutt 1996-5-24 2155 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 just N of Sonoma/Rattlesnake Creek confluence on a small knoll. 381 Comment
  SEINET12121702  Lomatium dasycarpum W. Knight, Knight, I.; Edwards, S. 1986-1 5371 Sonoma along trail to summit of Geyer Peak, access from Healdsburg-Geysers Rd 856 Comment
  UCD127044  Lomatium dasycarpum subsp. dasycarpum Frederica Bowcutt 1994-5-21 1806 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, about 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood, about 18 air miles NW of Napa. Along meadow trail, approx. 3/8 mile from trailhead. 1300 Comment
  UCD127043  Lomatium dasycarpum var. dasycarpum Frederica Bowcutt 1994-5-21 1803 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, about 2.5 air miles NE of Kenwood,. Along Meadow Trail, approx. 3/8 mile from trailhead. 1300 Comment
  JEPS25142  Lomatium nudicaule G. Thomas Robbins 1959-5-16 4012 Sonoma s.w. outskirts El Verano (Sonoma Valley); Sonoma Valley 30 Comment
  JEPS86814  Lomatium repostum Jack and Betty Guggolz 1991-5-4 1127 Sonoma <firebrake> on s. side Bradford Mt. (1 mi. w. of Dry Creek Rd.) 341 Comment
  RSA177956  Lomatium repostum R. F. Thorne 1965-4-20 343226 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  RSA0056424  Lomatium repostum Greg de Nevers 1997-4-16 10942 Sonoma Moon Mountain Road. Comment
  UCD127724  Lomatium utriculatum Jennifer Bury; Peggy Herzog 1993-5-8 261 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. Near visitor center. 381 Comment
  UCD136302  Lomatium utriculatum M. Rei Scampavia Evangelista 2012-5-4 4 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, travel down Pepperwood Road towards the Visitor Center. Take a left at the sign for the Betchel House. Follow signs on dirt roads that direct towards Three Tree Hill. Park at the top of Three Tree Hill, then take a bearing of 280 degrees for 260 meters. 408 Comment
  CAS-BOT-BC240644  Lonicera hispidula D. E. Breedlove 1980-6-27 44771 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD137329  Lonicera hispidula Frederica Bowcutt; Jeff Kennedy, Jolie Hendricks 1994-5-1 1748 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; 10 air miles E of Santa Rosa; 18 air miles NW of Napa; 1.5 air miles NE of Kenwood. In Adobe Canyon along Goodspeed Trail approximately 1/8 mile from trail head on Adobe Canyon Road. 213 Comment
  UCD137330  Lonicera hispidula Mrs. C. Dresel 1927-9-1 816 Sonoma Exact location unknown. Comment
  POM46733  Lonicera involucrata A. A. Heller, H. E. Brown 1902-3-10 5015 Sonoma Hills East of Santa Rosa. Comment
  SEINET5784640 Image available Lonicera involucrata Marcus E. Jones 1882-1 2739 Sonoma Duncan's Mills Comment
  JEPS77875  Lonicera involucrata var. ledebourii Robert M. Lloyd 1965-5-8 3638 Sonoma about 4 mi n Route 116 (Llano Road, upper portion of marsh, e of Cunningham, se of Sebastopol); Laguna de Santa Rosa Marsh Comment
  CAS-BOT-BC243996  Lonicera involucrata var. ledebourii H. E. McMinn 1922-6-6 163 Sonoma Along stream in So. Sonoma Co., S. of Occidental Comment
  SEINET12327831  Lonicera ledebourii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -148 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  CAS-BOT-BC293671  Lotus Peter Rubtzoff 1971-6-25 6563 Sonoma Intermittent lake off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. 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
  CDA27201  Lotus formosissimus T. C. Fuller 1958-5-24 3983 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  UC207659  Lotus grandiflorus Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  UC80808  Lotus heermannii Alice Eastwood 1899-6-9 Sonoma Bodega Point Comment
  SEINET12165156  Lotus humistratus W. Knight, Knight, I.; DrEdwards, S. 1986-1 5353 Sonoma Geyser Peak - access from Healdsbrug-Geysers Rd 853 Comment
  UC1129078  Lotus micranthus H. S. Yates 1934-4-22 3846 Sonoma 2 mi s Mark West; Calistoga Quad. 152 Comment
  RSA155472  Lotus oblongifolius L. S. Rose 1962-6-1 62062 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  CDA31006  Lotus purshianus D. G. Kelch, Troy McGregor 2010-8-22 10 .357 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  SEINET12154271  Lotus purshianus L. S. Rose 1938-1 38255 Sonoma Bloomfield 30 Comment
  POM18333  Lotus scoparius var. scoparius A. A. Heller 1902-6-26 7473 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  RSA389  Lotus unifoliolatus E. R. Johnson 1928-8-22 1108 Sonoma Russian River, 1/2 mile E of Cloverdale Comment
  SEINET6932589  Lotus wrangelianus W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 5 miles north of Fort Ross. Comment
  CAS-BOT-BC249321  Ludwigia Peter Rubtzoff 1973-8-27 7273 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC478122  Ludwigia Peter Rubtzoff 1986-8-31 9731 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC251280  Ludwigia palustris Peter Rubtzoff 1961-10-23 4778 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  RSA800127  Ludwigia palustris Peter Rubtzoff 1972-6-27 6793 Sonoma Atascadero Creek Marsh. Comment
  SBBG60088  Ludwigia peploides L. Rowntree 1931-8-26 Sonoma near Sonoma Comment
  CDA9766  Ludwigia uruguayensis Erik Hawk 2007-10-1 s.n.-LFCC Sonoma Food control channel E of Stony Point Rd., at Rohnert Park Expressway, Laguna de Santa Rosa. Comment
  CAS-BOT-BC201289  Lupinus Milo S. Baker 1948-7-3 12059 Sonoma Millstation Rd near Post Box 39 Rt 1, .4 mi West of Gravestein [Gravenstein] Hiwy and 1.4 mi from Catholic Church on the Main St of Sebastopol Comment
  CDA36944  Lupinus adsurgens CDFA Staff 2008-1 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCD105742  Lupinus affinis John Thomas Howell 1976-4-26 51596 Sonoma hills east of Geyserville on road to Geysers. Comment
  UC1129274  Lupinus albifrons E. Armstrong 1934-3-26 929 Sonoma 2 mi nw Camp Meeker; Sebastopol quad 91 Comment
  UCD167634  Lupinus albifrons James A. Neilson Jr. 1977-3-7 3846 Sonoma Mayacmas Mountains. Near soulth base Mt. St. Helena. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET10488438  Lupinus albifrons Joseph W. Congdon 1880-5-16 Congdon s.n. Sonoma Comment
  SEINET12164398  Lupinus albifrons F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -104 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  CAS-BOT-BC195980  Lupinus albifrons var. albifrons A. A. Heller; H. E. Brown 1902-3-27 5162 Sonoma Western base of Mt. Hood Comment
  CAS-BOT-BC196045  Lupinus albifrons var. collinus A. A. Heller 1940-5-17 15632 Sonoma About 2 miles east of Bodega Bay, near State Highway #1 Comment
  SEINET10871206  Lupinus albifrons var. collinus Joseph W. Congdon 1880-5-30 Congdon UMO 43462 Sonoma Comment
  CAS-BOT-BC196153  Lupinus albifrons var. douglasii J. W. Congdon 1880-6-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC196461  Lupinus arboreus Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma South end of Russian River Bridge on highway 1 Comment
  RSA0003396  Lupinus densiflorus var. persecundus Marcus E. Jones 1882-7-17 3329 Sonoma Duncan's Mills. Comment
  SEINET12164395  Lupinus latifolius F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -084 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  SEINET10490782  Lupinus latifolius subsp. latifolius Robert F. Thorne 1965-4-19 Thorne 34317 Sonoma Fls violet; on well-drained embankment in douglas-fir forest; harrison grade, 1/2 Mi. From green valley rd.; With calycanthus, pseudotsuga, umbellularia, etc 152 Comment
  RSA177946  Lupinus latifolius var. latifolius Robert F. Thorne 1965-4-19 34317 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  UC373188  Lupinus microcarpus var. microcarpus Marcus E. Jones, A. M. 1882-7-17 3329 Sonoma Duncan's Mills Comment
  UCD108976  Lupinus nanus Mary M. Hektner 1976-5-10 250 Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD108930  Lupinus nanus Botany 102 Students 1993-5-8 232 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Meadow Creek. 396 Comment
  UCD109252  Lupinus nanus R. Tofsrud 1948-5-1 s.n. Sonoma Cloverdale. Comment
  CAS-BOT-BC311855  Lupinus nanus subsp. latifolius Peter Rubtzoff 1954-9-4 1724 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC323827  Lupinus polycarpus Peter Rubtzoff 1971-5-8 6436 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  SEINET5500928 Image available Lupinus ruber Sally Walker 1983-6-13 Sonoma N. Bodega Highway on Joy Rd. Comment
  CAS-BOT-BC207259  Lupinus sericatus Greg de Nevers 1996-3-4 10783 Sonoma In Devil's Kitchen outcrops on Oak Hill Ranch east of Chalk Mountain, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 487 Comment
  RSA339414  Lupinus sericatus Roger Raiche 1984-3-25 40074 Sonoma Kelly Road just west of its intersection with Rockpile Road 610 Comment
  UCR255029  Lupinus sericatus Greg de Nevers 1996-4-19 10794 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  SEINET10870696  Lupinus succulentus Joseph W. Congdon 1880-5-2 Congdon s.n. Sonoma Comment
  CDA27599  Lupinus variicolor T. C. Fuller 1966-6-2 14586 Sonoma Road to Petaluma, 1 mile east of Valley Ford. 0 Comment
  RSA785884  Madia Peter Rubtzoff, Nancy Harrison 1974-7-13 7669 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC342616  Madia anomala John Thomas Howell 1959-5-7 34594 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC342620  Madia anomala G. DeNevers 1981-5-5 960 Sonoma Pepperwood Ranch. On the bench S of the Studio Comment
  UCR25221  Madia capitata John C. Roos 1957-6-28 6617 Sonoma Schellville 23 Comment
  CAS-BOT-BC344040  Madia elegans David D. Keck 1933-11-6 2646 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  CDA31042  Madia elegans D. G. Kelch, Troy McGregor 2010-8-22 10 .355 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  JEPS77886  Madia elegans Edward Lee 1934-4-30 751 Sonoma 1 mi w 2 Rock junction Comment
  CAS-BOT-BC343456  Madia gracilis John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54684 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  SEINET3148102  Madia gracilis L. S. Rose 1940-5-22 40370 Sonoma Sonoma 30 Comment
  POM53609  Madia gracilis subsp. gracilis Michener, F. T. Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  CAS-BOT-BC345262  Madia sativa David D. Keck; J. Clausen 1935-6-15 3365 a Sonoma 1 mi. N. of Salmon Creek Comment
  LA209925  Madia sativa O. H. Kappler; 1930-6-8 5264 Sonoma 1 mi. east of Bodega Bay Comment
  UC905681  Madia sativa H. M. Hall 1916-7-24 10250 Sonoma near Petaluma Comment
  CAS-BOT-BC166725  Madia sativa Peter Rubtzoff 1962-10-9 s.n. Sonoma Goat Rock area of Sonoma Coast State Park, 1.6 miles from Hwy. 1. Comment
  CAS-BOT-BC511536  Maianthemum racemosum subsp. amplexicaule Saichi Kawahara 1969-3-31 541 Sonoma 50 yards west of Jenner Comment
  CAS-BOT-BC511489  Maianthemum stellatum Greg de Nevers 1993-4-6 10357 Sonoma Pepperwood Ranch Natural Preserve, 3450 Faranz Valley Road 304 Comment
  CAS-BOT-BC347363  Malacothrix floccifera G. DeNevers 1981-6-15 1514 Sonoma Pepperwood Ranch. 1st road cut on Franz Valley Road Comment
  CAS-BOT-BC540132  Malus domestica Peter Rubtzoff 1951-11-24 850 Sonoma Western branch of the Upper Marsh; Pitkin Marsh, near Forestville Comment
  HSC15988  Malva nicaeensis S. N. Wiemeyer 1962-4-20 24 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  POM59381  Marah fabacea A. A. Heller, H. E. Brown 1902-4-11 5277 Sonoma Bodega Bay. Comment
  UCD107655  Marah fabacea Lewis S. Rose 1962-4-18 62026 Sonoma Laguna de Santa Rosa, 2 mi. ne. of Graton. 30 Comment
  UCD134575  Matricaria discoidea Caitlin Lewis; William Mutch 1993-4-17 9 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain 1 mile. Near visitor center; Sonoma Creek. 365 Comment
  POM55040  Matricaria matricarioides A. A. Heller, H. E. Brown 1902-6-2 5635 Sonoma Santa Rosa. Comment
  RSA719881  Matricaria matricarioides Linda E. Watson 1996-5-19 96 3 A Sonoma At Bodega Bay, 2 miles N of Salmon Creek, Bodega Bay Population of Clausen, keck, and Heisey studies on ecotypes. Comment
  CAS-BOT-BC348312  Matricaria occidentalis Peter Rubtzoff 1958-8-9 3835 A Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road) Comment
  RSA54042  Medicago arabica J. T. Howell 1948-4-18 24212 Sonoma Hills east of Agua Caliente. Comment
  POM204781  Melica californica A. A. Heller 1902-4-23 5351 Sonoma Near Sonoma. Comment
  CAS-BOT-BC281276  Melica geyeri G. DeNevers 1981-5-15 1164 Sonoma Pepperwood Ranch. N arm of Garrison Canyon Comment
  SBBG29007  Melica geyeri B. Crampton 1967-5-15 Sonoma Sonoma-Napa County line; 4 mi NW of Calistoga, St Hwy 128 Comment
  UCD87379  Melica harfordii Beecher Crampton 1954-5-9 1837 Sonoma Sonoma County, 2.5 miles north of Guerneville. Comment
  UCD87388  Melica harfordii B. Crampton 1955-6-17 2927 Sonoma 1.6 miles west of Forestville. Comment
  UCD87554  Melica harfordii R. Tofsrud 1947-6-18 190 Sonoma Armstrong Grove. Comment
  UCD151137  Melica subulata James A. Neilson Jr. 1973-6-6 2962 Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  CAS-BOT-BC262451  Melica subulata K. Wagnon 1939-4-22 173 Sonoma Along lane running near Jonive Creek on Wagnon Ranch, five miles west of Sebastopol Comment
  CAS-BOT-BC262555  Melica torreyana G. DeNevers 1981-4-27 883 Sonoma Pepperwood Ranch. On the ridge NW of the Garrison House Comment
  OBI22007  Melica torreyana Lewis S. Rose 1965-4-4 65022 Sonoma 1 mi N of Sonoma 61 Comment
  RSA31166  Melica torreyana A. A. Heller 1902-3-27 5160 Sonoma Western base of Mt. Hood. Comment
  UCD89197  Melica torreyana R. Tofsrud 1941-3-1 302 Sonoma S. R. Creek Cy. Comment
  CAS-BOT-BC262960  Melilotus indicus Peter Rubtzoff 1958-8-17 3893 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC268072  Melilotus indicus Peter Rubtzoff 1971-8-20 6640 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC164082  Mentha Peter Rubtzoff 1959-8-2 4210 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC164365  Mentha Peter Rubtzoff 1956-9-15 2899 Sonoma Atascadero Creek Marsh. Comment
  JEPS63448  Mentha pulegium W. L. Jepson 1903-10-4 2363 Sonoma near Monte Rio (Bohemian Club Grove, moist bed of winter pond); Bohemian Club Grove Comment
  UCD125170  Mentha pulegium Frederica Bowcutt 1995-11-7 2059 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air miles south of Red Mountain. In Sonoma Creek. Off of Bald Mountain Road near western trailhead for Vistra Trail. 548 Comment
  RSA785149  Mentha rotundifolia Peter Rubtzoff 1973-8-28 7276 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC166977  Mentha spicata Peter Rubtzoff 1953-11-1 1449 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC182772  Mentzelia laevicaulis Peter Rubtzoff 1958-9-7 s.n. Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  UC26555  Mertensia F. T. Bioletti 1893-4-24 Sonoma Los Guilucos Valley Comment
  CHSC57512  Micranthes californica Shelly A. Kirn 1991-3-28 6 Sonoma Ca. 50 yds e of Hwy 101, 0.5 mi n of Cloverdale. 97 Comment
  CAS-BOT-BC348626  Micropus californicus var. californicus David D. Keck 1933-5-28 2325 Sonoma 3.4 miles east of Shellville (just east of intersection of Sonoma road) Comment
  CAS-BOT-BC348634  Micropus californicus var. californicus Barrett Anderson 1987-4-27 3472 Sonoma Petaluma, south of El Rose and west of D Street 120 Comment
  CAS-BOT-BC348854  Microseris douglasii subsp. douglasii Greg de Nevers 1987-4-25 8167 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  UC1740984  Microseris douglasii subsp. douglasii K. L. Chambers 2000-5-5 6191 Sonoma Rockpile Road, w of Geyserville Gray Pine Flat; Lake Sonoma Comment
  CAS-BOT-BC349107  Microseris douglasii subsp. tenella Alice Eastwood 1921-5-8 10450 Sonoma Petaluma Comment
  CAS-BOT-BC322704  Microseris laciniata Carl B. Wolf 1927-9-2 1346 Sonoma 2 miles south Anchor Cove Comment
  CAS-BOT-BC311874  Mimulus Peter Rubtzoff 1959-6-20 4170 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC312701  Mimulus Peter Rubtzoff 1964-8-26 5476 Sonoma Marsh 5 miles northeast of Penngrove on Lichan Road. 213 Comment
  HSC42330  Mimulus aurantiacus var. aurantiacus S. Saufferer 1973-5-24 215 Sonoma Bodega Bay Comment
  RSA39875  Mimulus aurantiacus var. aurantiacus P. A. Munz 1947-10-9 12212 Sonoma Dry Slope near entrance to Armstrong Redwoods State Park Comment
  RSA550831  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-5 1113 Sonoma N of Boyes Hot Springs. 0.6 mi E of Hwy 12 along Cavedale Road 160 Comment
  UCD39137  Mimulus cardinalis Beecher Crampton 1964-8-18 7144 Sonoma N.E. 'The Geysers', Big Sulphur Creek. Comment
  UCD122663  Mimulus grandis Mary M. Hektner 1975-8-14 226 -A Sonoma Unit 24 Owner's Map, Sea Ranch, near State Highway 1. Comment
  RSA434668  Mimulus guttatus Francis W. Pennell, H. L. Mason 1940-5-21 25483 Sonoma Route 28, Kellogg. 183 Comment
  JEPS27318  Mimulus inodorus Eleanor Armstrong 1932-5-23 497 Sonoma 3 mi w Graton 60 Comment
  UC454796  Mimulus inodorus I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UCD40972  Mimulus nanus var. mephiticus Collector Unknown 1978-1 s.n. Sonoma 19 miles east of Fallon. (Fallon is in Marin County, but 19 mi E is Sonoma County). 30 Comment
Read comments
Mar 13 2006
  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
  POM5035  Mimulus tricolor Katherine Brandegee 1905-6-8 s.n. Sonoma Along electric line near Santa Rosa. 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
  JEPS79412  Minuartia douglasii Edward Lee with W. A. Setchell 1936-6-7 2182 Sonoma South ridge Fire Trail Bohemian Grove Comment
  RSA177976  Minuartia douglasii R. F. Thorne 1965-4-19 34307 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. Comment
  CAS-BOT-BC435113  Mollugo verticillata Peter Rubtzoff 1961-8-25 4714 Sonoma Forest Hills, east of Guerneville. Bottom of Russian River. Comment
  RSA0010757  Mollugo verticillata Peter Rubtzoff 1961-8-25 4714 Sonoma Forets Hills, east of Guerneville. Open, moist bottom of Russian River. Comment
  NY429328  Monardella coriacea A. A. Heller 1902-7-8 5812 Sonoma Sandy bank of Russian River at Healdsburg Comment
  UC931964  Monardella undulata Verne Grant, Alva Grant 1948-7-7 8597 Sonoma 2.6 mi e Bodega (on highway 12) Comment
  RSA0022766  Monardella villosa subsp. neglecta Milo S. Baker 1946-7-4 11524 Sonoma Harrison Grade ca. 2 mi. NE of Occidental. Comment
  JEPS62414  Monardella villosa subsp. villosa M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 221 Sonoma Between Guerneville and Monte Rio; Russian River Comment
  UC157914  Monardella villosa subsp. villosa Milo S. Baker 1898-6-12 651 Sonoma The Geysers Comment
  CAS-BOT-BC314179  Monardella villosa subsp. villosa Ella Dales Cantelow 1941-6-7 3706 Sonoma 3.2 mi N of Jenner. State Hwy 1. Comment
  CAS-BOT-BC314185  Monardella villosa subsp. villosa W. R. Dudley 1893-9-9 s.n. Sonoma Near mouth of Russian River. Comment
  CAS-BOT-BC314210  Monardella villosa subsp. villosa John H. Thomas 1969-9-21 15470 Sonoma Coastal bluffs to the S of the mouth of the Russian River. 121 Comment
  POM19716  Monardella villosa subsp. villosa A. A. Heller 1902-7-8 5812 Sonoma Russian River at Healdsburg. Comment
  CAS-BOT-BC7347  Montia clara Amos Arthur Heller 1902-4-16 5313 Sonoma Santa Rosa 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
  JEPS43265  Montia fontana Alice King Apr. 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC444999  Montia fontana Peter Rubtzoff 1952-3-23 900 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  RSA620419  Montia fontana Peter Rubtzoff 1955-4-23 1775 Sonoma Sonoma County: Bennett Mtn Lake Comment
  UCD144661  Montia fontana Frederica Bowcutt; Kate Mawdsley 1996-3-24 2067 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air miles S of Red Mtn, just S of Sonoma Creek. 365 Comment
  UC1051631  Myosotis discolor Peter Kamb and Francia Chisaki 1950-6-16 1867 Sonoma n.w. Sebastopol (1 mi. n. of Sousa Corners); Pitkin Marsh Comment
  SEINET12348989  Myosotis discolor F. H. Utech 1988-5-19 88 -193 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 Comment
  RSA800151  Myriophyllum brasiliense Peter Rubtzoff 1963-7-6 5195 Sonoma Laguna de Santa Rosa area east of Cunningham. Comment
  RSA800337  Myriophyllum hippuroides Peter Rubtzoff 1966-8-26 5713 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC260076  Nassella lepida G. DeNevers 1981-5-23 1292 Sonoma Pepperwood Ranch, Lower Pepperwood entrance Comment
  UCD87884  Nassella lepida P. B. Kennedy 1918-5-28 s.n. Sonoma Santa Rosa to Calistoga Road. Comment
  SEINET12010247  Nasturtium officinale F. H. Utech 1988-5-21 88 -230 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1 100 Comment
  UCR261637  Navarretia cotulifolia Ann Howald 2003-5-15 2334 A Sonoma Inner North Coast Ranges, Sonoma Mountains, south end, lower east slope, c. 0.2 mile southeast of intersection of Lewis Creek and Felder Creek 151 Comment
  UCR197893  Navarretia heterodoxa Calvin McMillan 1949-1 597 Sonoma Trinity Road, 6 miles northeast of Glen Ellen 368 Comment
  RSA227206  Navarretia leucocephala subsp. plieantha Peter Rubtzoff 1966-5-30 s.n. Sonoma Laguna de Santa Rosa, northwest [NE] of Graton, at end of Piner Road. Comment
Read comments
Dec 22 2014
  UCD55331  Navarretia squarrosa Ellen Dean 2006-6-28 3174 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  UCR118961  Navarretia squarrosa Beecher Crampton 1957-7-11 4313 Sonoma Central coast, State Highway 1, 1.25 miles southeast Bodega Bay 15 Comment
  UC101996  Navarretia tagetina Katharine Brandegee Jun 1905 Sonoma between Santa Rosa and Sebastopol Comment
  UC1042316  Navarretia viscidula John Thomas Howell 1947-6-26 23318 Sonoma Cunningham Marsh Comment
  UCD160863  Navarretia vividior James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3294 a Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UC606893  Nemophila heterophylla L. Constance 1938-4-24 2151 Sonoma 2 mi ne Bodega (Salmon Creek); , ne of Bodega 91 Comment
  HSC13610  Nemophila menziesii James Faro 1962-4-18 13 Sonoma About 5 mi. N of Geurneville on the Old Cazadero Rd. Comment
  HSC34933  Nemophila menziesii Thomas W. Nelson, MarJames Nelson 1975-3-25 1755 Sonoma Beside Hwy. 128 E of Geyserville Comment
  JEPS35787  Nemophila menziesii var. atomaria Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8928 Sonoma plowed field just off Arnold Drive at its junction with Fowler Creek Road (Sonoma Valley); Sonoma Valley 35 Comment
  UCD170754  Nemophila menziesii var. atomaria C. Benefield 1997-5-12 31 Sonoma Bodega Bay, in front of University of California Marina Laboratory. 24 Comment
  POM65260  Nemophila menziesii var. atomaria A. A. Heller, H. E. Brown 1902-3-29 5181 Sonoma Bodega Bay Comment
  CAS-BOT-BC231194  Nemophila parviflora A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross Comment
  UC25544  Nepeta cataria J. Burtt Davy Jul 1896 4134 Sonoma Russian River Comment
  CAS-BOT-BC231512  Nicotiana Peter Rubtzoff 1986-9-28 9754 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC157974  Nicotiana Peter Rubtzoff 1965-8-16 5605 Sonoma Russian River bottom at Forest Hills, 5.5 miles East of Guerneville Comment
  UCR279605  Nicotiana acuminata Peter Rubtzoff 1961-6-7 4618 Sonoma Laguna de Santa Rosa, c. 1 mile SE of Trenton 30 Comment
  SEINET12327553  Nicotiana acuminata var. multiflora W. Knight, Knight, I.; Edwards, S. W. 1984-1 5043 Sonoma along Willow Creek near Stony Point Rd, between Corona Rd & Old Redwood Hwy 6 Comment
  HSC8113  Notholithocarpus densiflorus var. densiflorus F. Demostene 1966-4-4 20 Sonoma 1 mi. W of Healdsburg Comment
  CAS-BOT-BC400121  Nuphar polysepala Peter Rubtzoff 1951-7-8 417 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  POM89246  Oemleria cerasiformis Marcus E. Jones 1982-7-18 3578 Sonoma Duncan Mill Comment
Read comments
Mar 22 2010
  UCR255686  Oemleria cerasiformis Greg de Nevers 1998-4-27 11199 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 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
  UC1365621  Oenanthe sarmentosa Peter Rubtzoff 1954-6-20 1509 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC251251  Oenothera Peter Rubtzoff 1960-5-18 4383 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC499696  Orobanche californica subsp. californica Steve Edwards 1984-7-22 s.n. Sonoma N end of prairie, N of Duvoul Cr., N of Camp Meeker, E of Highway Comment
  JEPS66549  Orobanche californica subsp. grayana Peter Rubtzoff 1971-7-23 6615 Sonoma Laguna, Cheleno Valley. Comment
Read comments
Apr 3 2019
  RSA0069019  Orobanche californica subsp. jepsonii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  CAS-BOT-BC502909  Orobanche fasciculata Greg de Nevers 1995-5-2 10718 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd. 487 Comment
  CAS-BOT-BC7002  Orthocarpus faucibarbatus var. albidus David Daniels Keck; Jens Chr. Clausen 1935-6-15 3375 Sonoma 3 mi. S of Russian River mouth Comment
  POM180617  Orthocarpus faucibarbatus var. albidus J. T. Howell 1930-6-8 5278 Sonoma Hillside overlooking the ocean, 8 miles N of Bodega Bay Comment
  RSA144398  Orthocarpus lithospermoides Roxana S. Ferris, Laura Lorraine 1961-6-14 13549 Sonoma Junction of Occidental Road with Facendini Lane 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
  UCD127765  Osmorhiza berteroi J. Adams; J. Weick 1993-5-8 296 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. 365 Comment
  UC730035  Oxalis Leo F. Koch 1940-4-18 792 Sonoma 5 mi from Gravenstein Hwy (via Cherry Ridge Rd, in severa; orchards) Comment
  SEINET10936147  Oxalis oregana R. D. Sage 1992-1-10 Sage 13412 -1 Sonoma Collected along joy rd between bodega hwy and bittner rd, ca 2-6 km sw occidental. Comment
  CDA34796  Oxalis pes-caprae Peter Warner 2010-3-29 123 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  CAS-BOT-BC254466  Panicum Peter Rubtzoff 1987-9-27 9859 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville Comment
  CAS-BOT-BC376219  Panicum Greg de Nevers 1996-9-6 10873 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Mark West Creek 487 Comment
  UCD166341  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD167112  Panicum acuminatum var. fasciculatum James Neilson 1975-7-8 3404 Sonoma Mayacmas Mountains. Socrates Mine. (Exact location unknown, coordinates estimated by label maker.) 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
  UCSB432  Panicum acuminatum var. fasciculatum Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners Comment
  UCD89133  Panicum acuminatum var. thermale Freed W. Hoffman 1943-6-13 2040 Sonoma The Geysers. Comment
  CAS-BOT-BC253655  Panicum capillare John Thomas Howell 1957-9-26 32977 Sonoma Russian River bottom near Guerneville Comment
  UCR255726  Panicum dichotomiflorum Greg de Nevers 1996-9-2 10872 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  JEPS128190  Parnassia palustris Roger Raiche 1999-9-20 034 .99 Sonoma The Cedars. Grotto Pool. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC175546  Parnassia palustris A. T. Graff 1920-10-17 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC154989  Paspalum Peter Rubtzoff 1973-10-10 7342 Sonoma Tributary of Americano Creek, 2 mi. W of Bloomfield Comment
  UCD88734  Paspalum dilatatum Mary M. Hektner 1974-7-10 145 B Sonoma along State Highway 1, just off Leeward Road, Unit 28 Owners' Map, Sea Ranch. Comment
  CAS-BOT-BC265696  Paspalum distichum Peter Rubtzoff 1958-9-20 3989 Sonoma Laguna de Santa Rosa north of Sepastopol, near Occidental Road Comment
  CAS-BOT-BC202874  Paxistima myrsinites Richard Mc. P Brown 1979-7-4 s.n. Sonoma Camp Meeker, St. Dorothy's Rest (Episcopalian retreat) Comment
  JEPS52288  Penstemon heterophyllus var. purdyi Walter Knight and Wayne Roderick 1966-5-26 Sonoma Mark West Springs Comment
  LA209546  Penstemon newberryi var. newberryi F. W. Embree; 1934-6-6 75 Sonoma 1 mi S, 0.25 mi W of Rutherford 1615 Comment
  UC399562  Pentagramma triangularis subsp. triangularis C. F. Sonne April 1887 208 Sonoma White Sulphur Springs near Vallejo Comment
Read comments
1
  CAS-BOT-BC222739  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1975-8-16 8328 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC222747  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-9-25 5829 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC222748  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1958-7-26 3798 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  JEPS128254  Perideridia kelloggii Roger Raiche 2000-7-24 142 .00 Sonoma The Cedars. Rick's Gate. Lower Russian River, Big Austin Creek watershed. Comment
  UC106533  Perideridia kelloggii J. W. Congdon 1880-8-2 Sonoma Santa Rosa Road Comment
  UC1312895  Perideridia oregana Lincoln Constance, Tsan-Iang Chuan, and Charles F. Quibell 1967-7-9 3790 Sonoma 1.5 mi nw The Geysers (above creek); Big Sulphur Creek 441 Comment
  CAS-BOT-BC413661  Persicaria amphibia Peter Rubtzoff 1966-10-9 5834 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Rd. Comment
  UCD99359  Persicaria amphibia Ann F. Johnson 1979-6-19 s.n. Sonoma South of entrance road to Bodega Dunes State Park. 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-BC418896  Persicaria hydropiperoides Greg de Nevers 1987-7-10 8237 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC418906  Persicaria hydropiperoides Peter Rubtzoff 1960-9-17 4565 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) Comment
  CAS-BOT-BC418916  Persicaria hydropiperoides Peter Rubtzoff 1956-9-15 2897 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC418920  Persicaria hydropiperoides Peter Rubtzoff 1961-7-22 4665 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC419276  Persicaria maculosa Peter Rubtzoff 1959-6-20 4153 Sonoma Willow Creek Marsh Comment
  UCD165114  Persicaria pensylvanica Peter Rubtzoff 1973-9-9 7325 Sonoma Kenwood Marsh. Comment
  UCD167962  Persicaria punctata James Neilson 1981-7-16 4055 Sonoma Mayacmas Mountains. Big Sulphur Cr. At bridge crossing road to Cloverdale. (Exact location unknown. Coordinates estimated by label maker. Location information obtained from Neilson 4048 which was collected on the same day at Big Sulphur Creek at bridge crossing road to Cloverdale, SW 1/4 SE 1/4 Sect. 5, T11N, R9W.) Comment
  CAS-BOT-BC419416  Persicaria punctata Mary P. Wells 1985-7-7 539 Sonoma Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC419420  Persicaria punctata Peter Rubtzoff 1951-9-2 710 Sonoma Pitkin Marsh, near Forestville. North of the Lower Marsh Comment
  HSC63599  Petrorhagia nanteuilii Richard K. Rabeler 1980-8-8 507 Sonoma Along trail to Big Austin Creek along N side of King Ridge Rd., .4 km. NW of Big Austin Creek Bridge, 7 km. N of jct. with Cazadero Hwy. Comment
  UC1333289  Phacelia californica Malcolm L. Byce 1936-3-21 147 Sonoma 1 1/2 mi e Bodega Bay; Larkspur Rock Comment
  UCD120296  Phacelia californica Frederica Bowcutt; Joy Keeney, Adam Greene 1994-5-21 1808 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Meadow trail appx. 1/2 mi from trailhead. 396 Comment
  RSA0045532  Phacelia californica Keith E. Hoffmaster 1946-3-9 s.n. Sonoma Near Bodega. [Label says Marin Co. but actually in Sonoma Co.] Comment
  JEPS128247  Phacelia corymbosa Roger Raiche 2000-5-28 116 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC24347  Phacelia distans E. L. Greene 1892-4-20 Sonoma Knight's Valley Comment
  HSC13726  Phacelia distans James Faro 1962-4-17 15 Sonoma W side of Bodega Bay, N end Comment
  SEINET5906166 Image available Phacelia distans L. S. Rose 1965-1 65021 Sonoma 1 mi N of Sonoma Comment
  UCD160115  Phacelia imbricata James A. Neilson Jr. 1973-6-3 3117 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
  RSA428022  Phacelia imbricata subsp. imbricata Christopher Davidson 1977-6-20 6019 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  RSA428278B  Phacelia suaveolens subsp. suaveolens Peter H. Raven 1965-5-16 20219 Sonoma Near Frantz District School. Comment
  CAS-BOT-BC329229  Phalaris Peter Rubtzoff 1968-6-25 5913 Sonoma Lichan Marsh. Comment
  CAS-BOT-BC332702  Phalaris Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7839 Sonoma Kenwood Marsh. Comment
  UCR244624  Phalaris angusta Peter Rubtzoff 1972-6-23 6785 Sonoma Atascadero Creek Marsh Comment
  UCD88138  Phalaris aquatica Freed W. Hoffman 1943-6-1 2218 Sonoma Near Guerneville. Lone Mountain Farm. Comment
  UCD88174  Phalaris aquatica Javier Penalosa 1961-5-24 1602 Sonoma Pepper Road. .9 miles N of Petaluma - Valley Ford Road. Comment
  CAS-BOT-BC259021  Phalaris californica Peter Rubtzoff 1962-6-1 4860 Sonoma Freestone Marsh Comment
  RSA155424A  Phalaris californica L. S. Rose 1962-6-1 62067 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  UCD21128  Phalaris lemmonii Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 303 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  UCD88994  Phalaris lemmonii John Thomas Howell 1943-5-10 s.n. Sonoma 2 miles N of Windsor. Comment
  UCD88995  Phalaris lemmonii John Thomas Howell 1947-6-5 23243 Sonoma 4 miles W of Santa Rosa. Near Wright School. Comment
  UCR280017  Phalaris lemmonii Peter Rubtzoff 1974-5-11 7406 Sonoma Laguna de Santa Rosa, east of Sebastopol, south of Hwy [12] crossing 20 Comment
  SEINET10662674  Phalaris lemmonii P. Rubtzoff 1972-6-23 Rubtzoff 6784 Sonoma Atascadero Creek Marsh. Comment
  UC1023573  Phleum alpinum Virginia Bufford 1936-5-1 167 Sonoma Larkspur Rock Bodega Canyon; , Larkspur Rock Comment
  UC1146587  Phleum alpinum Freed W. Hoffman 1943-6-6 2098 Sonoma Sonoma Coast Wright's Beach (cliffs at Wright's Beach); North Coast Ranges, , Wright's Beach Comment
  UC30189  Phlox gracilis W. H. Brewer 1862-4-18 973 Sonoma near Sonoma Comment
  RSA572342  Phoradendron densum Vanessa Ashworth, Nigel Boyle 1994-8-20 54 Sonoma Ca 2.5 miles N of Camp Meeker on Bohemia Hwy from Occidental to Monte Rio. Comment
  UC6100  Phoradendron villosum F. T. Bioletti 1891-12-25 Sonoma Sonoma Comment
  POM267616  Phyla nodiflora Lyman D. Benson 1928-6-25 350 Sonoma Street, Santa Rosa. North Coast mtn range, Sonoma Valley. 61 Comment
  UC1977005  Phyllospadix scouleri H. W. Johansen 1963-7-9 1389 Sonoma Bodega Head. N. Shore, Horseshoe Cove Comment
  UCSC000358  Physocarpus capitatus H. S. Yates 1934-4-21 3801 Sonoma near Bodega - Duncan Mills 61 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
  POM20260  Pickeringia montana var. montana Michener, Bioletti 7160 Sonoma Hoods Peak Comment
  UC764705  Pickeringia montana var. montana Robert F. Hoover 1941-6-7 5303 Sonoma Molino-Occidental Road Comment
  RSA796379  Picris echioides Peter Rubtzoff 1955-9-24 2155 Sonoma Duncan Mills Marsh Comment
  HSC100961  Pilularia americana Peter Warner, Sarah Gordon 2011-5-16 200 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), 175 m E144 deg. S from swimming pool. 0 Comment
  JEPS83584  Pinus Sarah Flowers 1988-2-5 Sonoma 20 ft w Hwy. 1 (and 12 ft n off parking entrance, Hwy 1 rd. marker 52.32 at Pebble Beach Access Trl., Sea Ranch) 7 Comment
  CAS-BOT-BC78332  Pinus attenuata Walter Knight; Irja Knight 1963-12-27 463 Sonoma Summit, Pine Flat Rd. Comment
  CAS-BOT-BC78784  Pinus lambertiana Mary P. Wells 1981-4-19 s.n. Sonoma between Unit 27A and P.G.+E right-of-way, The Sea Ranch Comment
  UCR278821  Pinus lambertiana Ann Howald 2016-1-21 3552 Sonoma North Coast Ranges, Annapolis Ridge, c. 0.3 mile north of Annapolis Rd and 0.4 mile west of Soda Springs Rd. 223 Comment
  UC1076360  Pinus muricata Herbert L. Mason 1928-4-8 4278 Sonoma Fort Ross Comment
  NY61989  Pinus muricata R. R. Wilson 1939-7-25 439 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
  JEPS128302  Piperia transversa Roger Raiche 2010-7-11 035 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC166780  Plagiobothrys Peter Rubtzoff 1969-5-3 6013 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC176145  Plagiobothrys Peter Rubtzoff 1969-5-11 6032 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  RSA785159  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UCD166174  Plagiobothrys Peter Rubtzoff 1969-6-15 6091 Sonoma Laguna de Santa Rosa, ca. 1 mile east- southeast of Sebastopol. Comment
  UCR255871  Plagiobothrys Greg de Nevers 1992-5-24 10155 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 476 Comment
  CAS-BOT-BC154145  Plagiobothrys Peter Rubtzoff 1972-6-11 6780 Sonoma Laguna, Chileno Valley. Comment
  JEPS86298  Plagiobothrys Jack and Betty Guggolz 1989-4-29 1003 Sonoma Comment
  UC905097  Plagiobothrys greenei Lewis S. Rose 1949-4-6 49028 Sonoma western outskirts Sonoma 29 Comment
  POM204149  Plagiobothrys greenei J. T. Howell 1934-3-27 11803 Sonoma Summit of Bennett Valley road from Glen Ellen to Santa Rosa Comment
  UC526161  Plagiobothrys greenei John Thomas Howell 1934-3-27 11803 Sonoma summit of Bennett Valley Road from Glen Ellen to Santa Rosa 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
  RSA0062817  Plagiobothrys reticulatus Greg de Nevers 1989-04 9070 Sonoma Pepperwood Ranch, 3450 Franz Valley Road. By Murrys Gate. 100 Comment
  RSA785668  Plagiobothrys reticulatus Peter Rubtzoff 1971-5-8 6449 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  UC1301167  Plantago erecta Helen K. Sharsmith 1963-5-25 5495 Sonoma just n Bodega head; San Francisco Bay Region 7 Comment
  UCD124491  Plantago erecta Valerie Bullock; Erik Beever, Rimy Waraich, Patti Togioka 1993-5-8 219 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail at base of wooded area. 365 Comment
  UCD124576  Plantago lanceolata Chris Bowen 1974-4-7 s.n. Sonoma South of Whalers' Reach and west of Sea Gate Road, Sea Ranch, near State Highway 1. 30 Comment
  JEPS7156  Plantago maritima var. californica W. L. Jepson 1931-7-19 15948 Sonoma near Scotta Creek (between Bodega Bay and mouth of Russian River) Comment
  CAS-BOT-BC92118  Platystemon californicus Alice Eastwood 1915-6-29 4863 Sonoma Bodega Point. Comment
  SEINET5340051  Platystemon californicus A. A. Heller, H. E. Brown 1902-3-20 5105 Sonoma Near Windsor. Comment
  SFV8385  Platystemon californicus K. D. Parman 1972-5-6 24 Sonoma Bodega Bay, University of California Marine Laboratory on State Highway 1. Meadow at head of peninsula. Comment
  UCD55073  Plectritis ciliosa Ellen Dean; Tammie Beyerl 2006-4-28 3017 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  UCD137538  Plectritis congesta subsp. brachystemon Frederica Bowcutt; Joy Keeney, Adam Greene 1994-5-21 1829 Sonoma Sugarloaf Ridge State Park. About 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 18 air miles northwest of Napa, 1.5 air miles northeast of Kenwood. Along the Hillside Trail passed junction, of Sugarpine Trail approximately 1/4 mile. 396 Comment
  POM253176  Plectritis congesta subsp. nitida A. A. Heller 1938-5-14 15088 Sonoma Just east of Bodega Bay. Comment
  CAS-BOT-BC173803  Pleuropogon Peter Rubtzoff 1966-4-30 5697 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  OBI22106  Pleuropogon californicus Lewis S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  CAS-BOT-BC368081  Pleuropogon californicus Greg de Nevers 1998-4-28 11207 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge Comment
  CDA32629  Pleuropogon californicus J. Sallee 1971-4-28 Sonoma Railroad tracks, 8th Street East, Sonoma 0 Comment
  UC1023574  Pleuropogon californicus Virginia Bufford 1935-3-26 12 Sonoma near Hearn School Comment
  CAS-BOT-BC260977  Pleuropogon californicus var. californicus David D. Keck 1931-4-1 993 Sonoma 2 miles north of Sears Point, 9 miles south of Sonoma, southern Sonoma County 10 Comment
  CAS-BOT-BC260978  Pleuropogon californicus var. californicus Lewis S. Rose 1962-4-11 62020 Sonoma Laguna de Santa Rosa, 1/2 mi. e. of Cunningham 15 Comment
  RSA201212  Pleuropogon californicus var. californicus David L. Morgan 1961-4-25 s.n. Sonoma Low wet field near Stemple Creek, 3 miles southwest of Cotati. Comment
  UCD90180  Pleuropogon californicus var. californicus R. Tofsrud 1941-3-1 s.n. Sonoma somewhere just south of Santa Rosa. Comment
  UCD90203  Pleuropogon californicus var. californicus A. A. Beetle 1946-5-6 4263 Sonoma 1/2 mile south of Cotati. Comment
  SEINET13347297 Image available Poa annua A. G. Vestal 1955-5-7 s.n. Sonoma Comment
  UCD55143  Poa annua Ellen Dean; Tammie Beyerl 2006-4-28 3025 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. At inlet of small reservoir SE of Pepperwood lake reservoir. 163 Comment
  CAS-BOT-BC255601  Poa annua Mary P. Wells 1981-4-18 s.n. Sonoma Community garden, The Sea Ranch Comment
  CAS-BOT-BC255611  Poa annua David L. Morgan 1956-4-5 s.n. Sonoma On Gold Ridge Road, near junction of Burnside Comment
  CDA11325  Poa bulbosa G. F. Hrusa, R. Gross 1995-4-1 12034 Sonoma North Coast Biodiversity Arena; Foote Ranch at NE corner of Hwy. 128 and Ida Clayton Rd. Knights Valley. Comment
  CAS-BOT-BC256029  Poa pratensis Peter Rubtzoff 1951-6-7 128 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  RSA126953  Poa pratensis H. S. Yates 1936-5-16 5602 Sonoma 2 miles SE of Forestville 30 Comment
  POM204982  Poa secunda A. A. Heller 1902-4-9 5245 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  CAS-BOT-BC243250  Poa secunda subsp. secunda Catherine Best 1980-4-16 s.n. Sonoma Westerbeke Ranch near El Verano Comment
  UCD91724  Poa secunda subsp. secunda David L. Morgan 1961-4-12 s.n. Sonoma Junction of 'I' St. Ext. and San Antonio Road. 2 miles SW of Petaluma. Comment
  CAS-BOT-BC244202  Poa trivialis John Thomas Howell 1951-5-28 27495 Sonoma Laguna E of Sebastopol Comment
  UCD92096  Poa trivialis Beecher Crampton 1955-6-17 2939 Sonoma 0.5 mile south of Guerneville. Comment
  CAS-BOT-BC244259  Poa unilateralis A. A. Heller 1902-4-11 5279 Sonoma Bodega Bay Comment
  CAS-BOT-BC361403  Poaceae Greg de Nevers 1994-3-18 10523 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. By Weimar 457 Comment
  UCR253368  Polycarpon tetraphyllum Peter Rubtzoff, Nancy Harrison 1974-7-13 7676 Sonoma Upper Green Valley Marsh Comment
  JEPS128176  Polygala californica Roger Raiche 2001-5-17 025 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  RSA177923  Polygala californica Robert F. Thorne 1965-4-20 34371 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  POM138562  Polygala californica Milo S. Baker 1898-5-8 601 Sonoma Glen Ellen Comment
  UC1541612  Polygala californica H. E. and S. T. Parks 1930-5-9 627 Sonoma near head Alexander Valley Comment
  CAS-BOT-BC110532  Polygonum Peter Rubtzoff 1973-8-20 7223 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC164373  Polygonum Peter Rubtzoff 1970-5-30 6246 Sonoma 5 mi. north of Sears Point Comment
  CAS-BOT-BC164042  Polygonum arenastrum Peter Rubtzoff 1954-8-4 1650 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC414119  Polygonum aviculare subsp. aviculare A. A. Heller 1902-6-11 5693 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  UC71487  Polypodium Bioletti 1894-1 Sonoma Kenwood Comment
  CAS-BOT-BC76897  Polypodium calirhiza Milo S. Baker 1944-6-1 10886 Sonoma 1 1/2 mi N of Sonoma town in the hills along an established road. Comment
  UC440179  Polypodium calirhiza Michener and Bioletti Mar 1892 Sonoma <I, L, or S> Canyon Comment
  UC1784201  Polypodium scouleri Ethel Crum 1930-1 748 Sonoma Petaluma Comment
  RSA0034038  Polypogon Peter Rubtzoff 1986-7-13 9723 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC232998  Polypogon australis Peter Rubtzoff 1961-9-20 4754 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC233002  Polypogon australis Peter Rubtzoff 1955-8-13 2044 Sonoma Duncans Mills Marsh Comment
  UCD90966  Polypogon australis Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-28 89 A Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. 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
  UCD51632  Polypogon interruptus P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC233223  Polypogon maritimus Peter Rubtzoff 1963-6-22 5192 Sonoma Ca. 0.5 mile E of Bennett Mountain Lake Comment
  CAS-BOT-BC237395  Polypogon monspeliensis John Thomas Howell; Walter & Irja Knight 1988-5-21 6225 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC237401  Polypogon monspeliensis Walter Knight; Irja Knight 1968-1-1 2270 Sonoma Geysers Resort, along geyser trail up ravine Comment
  CAS-BOT-BC237411  Polypogon monspeliensis Peter Rubtzoff 1959-8-30 4240 Sonoma Drake's Beach, near Guerneville, Russian River Comment
  UCD161843  Polypogon monspeliensis James A. Neilson Jr. 1975-6-26 s.n. Sonoma Mayacmas Mountains, Caldwell Pines area, Wildhorse #1. (Exact location unknown, coordinates estimated by label maker. Georeferenced near Wildhorse Cr.) Comment
  UCD91292  Polypogon monspeliensis Beecher Crampton 1957-7-11 4292 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCR248739  Polypogon viridis Peter Rubtzoff, Nancy Harrison 1974-9-7 7879 Sonoma Hinebaugh Creek in Rhonert Park, in creek bed east of Commerce Blvd. crossing 30 Comment
  RSA0022425  Polypogon viridis Peter Rubtzoff, Nancy Harrison 1974-9-7 7879 Sonoma Hinebaugh Creek in Rohnert Park, in creek bed east of Commerce Blvd. crossing. Comment
  CAS-BOT-BC72165  Polystichum californicum G. DeNevers 1982-2-9 1886 Sonoma beneath big power lines W of Garrison house, due W of Fir Forest Comment
  JEPS128379  Polystichum californicum Roger Raiche 2000-3-26 005 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC727666  Polystichum californicum Milo S. Baker 1944-12-31 10889 Sonoma 1 1/2 mi w El Verano (Fowler Canyon) Comment
  SEINET11720934  Polystichum dudleyi F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -56 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  UC1745115  Polystichum dudleyi Wendy Born July 2000 Sonoma Along the road and along the west sides of Fife Creek; Armstrong Redwoods State Reserve Comment
  RSA262241  Populus alba Peter Rubtzoff 1972-8-25 6854 Sonoma San Antonio Creek on E side of Hwy 101 crossing. Comment
  CAS-BOT-BC445293  Portulaca oleracea Peter Rubtzoff 1958-8-30 3941 Sonoma Russian River. Vacation Beach near Guerneville. Comment
  CAS-BOT-BC376231  Potamogeton Greg de Nevers 1992-6-8 10160 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  CAS-BOT-BC452163  Potamogeton diversifolius Peter Rubtzoff 1955-7-16 1970 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC267141  Potamogeton foliosus 1877-6-17 s.n. Sonoma Russian River, Guerneville Comment
  POM118993  Potamogeton illinoensis Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  UC441347  Potamogeton nodosus Milo S. Baker Aug. 1900 Sonoma near Laguna; Mark West Creek Comment
  CAS-BOT-BC454021  Potamogeton pectinatus Peter Rubtzoff 1954-8-3 1631 Sonoma Lower Salmon Creek Marsh. Comment
  UCR256120  Potamogeton pusillus Greg de Nevers 1992-7-25 10228 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC454082  Potamogeton pusillus subsp. pusillus Peter Rubtzoff 1963-7-27 5214 Sonoma Duncans Mills Marsh. 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
  UCD113695  Potentilla anserina subsp. pacifica Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 097 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC488337  Prunella vulgaris var. lanceolata James A. Neilson, Jr. 1974-7-10 2813 Sonoma Mayacmas Mountains, 1/4 mi S of Geyser Rock, W of Whispering Pines, NE Sonoma Co. 1082 Comment
  UCD113173  Prunus cerasifera Frederica Bowcutt 1994-7-5 1929 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, 50 feet south of campfire center. 387 Comment
  UCD113174  Prunus cerasifera Frederica Bowcutt 1995-11-19 2066 a Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Along Sonoma Creek next to bridge between outdoor center and campground. Comment
  CDA37440  Pseudognaphalium beneolens D. G. Kelch, Troy McGregor 2010-8-22 10 .336 Sonoma Geyser Peak Rd. Comment
  CAS-BOT-BC356499  Pseudognaphalium beneolens G. DeNevers 1981-7-25 1871 Sonoma Pepperwood Ranch. In Garrison Canyon Comment
  CAS-BOT-BC356922  Pseudognaphalium californicum Peter Rubtzoff 1951-8-25 670 Sonoma Hills southeast of Guerneville Comment
  CAS-BOT-BC357412  Pseudognaphalium microcephalum Walter Knight; Irja Knight; John Thomas Howell 1984-9-26 5232 Sonoma 1.15 mi. up Cavedale Road Comment
  CAS-BOT-BC361618  Pseudognaphalium stramineum Peter Rubtzoff 1951-9-2 722 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC361617  Pseudognaphalium stramineum Peter Rubtzoff 1951-8-18 620 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC361622  Pseudognaphalium stramineum Volney Rattan No date on label s.n. Sonoma Guerneville Comment
  UCR119042  Pseudotsuga menziesii Beecher Crampton 1960-10-10 5789 Sonoma Mayacmas Mountains, south foothills, 5 miles northwest of Calistoga, Franz Valley, along Highway 128. 183 Comment
  NY621795  Pseudotsuga menziesii B. Crampton 1960-10-10 5789 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  CAS-BOT-BC176176  Psilocarphus Peter Rubtzoff 1970-5-16 6228 Sonoma 5 miles north of Sears Point. Comment
  UCD150849  Psilocarphus chilensis Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  CHSC34599  Pteridium aquilinum var. pubescens Jeffrey D. Prouty 1979-4-12 211 Sonoma Ca. 7 mi n of Santa Rosa, e of Mark West Springs Rd. 243 Comment
  SD27372  Pteridium aquilinum var. pubescens Kate O. Sessions 1881-1 Sonoma Comment
  POM165161  Pterostegia drymarioides A. A. Heller, H. E. Brown 1902-5-27 s.n. Sonoma Bodega Bay. 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
  JEPS78472  Pyrola aphylla Edward Lee 1936-6-7 2207 Sonoma MacLaren Trail, Bohemian Grove Comment
  CAS-BOT-BC460849  Pyrola aphylla Juanita E. Charles 1925-6-1 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC466155  Pyrola picta Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC36524  Quercus Edw. L. Greene 1895-3-31 s.n. Sonoma Hills of Sonoma County Comment
  JEPS37687  Quercus X chasei Mrs. Charles L. Wheeler 1908-3-1 Sonoma Sebastopol Comment
  UCD45320  Quercus X chasei John M. Tucker 1952-9-20 2624 Sonoma (Q. kelloggii Newb. X Q. agrifolia Nee). California, Sonoma Co.; Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham. Comment
  UCD45061  Quercus agrifolia John M. Tucker 1952-9-20 2625 Sonoma California Sonoma Co.; Voight Ranch, ca.1.25 mi. (airline) southwest of Cunningham, near stream, ca. 200 yards from farmhouse; small, young tree ca. 8-10 ft. tall. Comment
  UCD45101  Quercus agrifolia Frederica Bowcutt 1994-6-25 1909 b 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. Gray Pine Trail > 1/2 mile N of trailhead on Meadow Trail, E of Sonoma Creek. Elev. 1460 ft. S-facing, 20 degree slope. 445 Comment
  RSA94624  Quercus agrifolia Peter Rubtzoff 1951-8-19 639 Sonoma near Forestville. Pitkin marsh Comment
  UC1193267  Quercus berberidifolia R. H. Neuns 1950-5-3 101 Sonoma 6 mi e Geyserville 426 Comment
  SEINET12028625  Quercus chrysolepis W. Knight, Knight, I. 1981-1 3985 Sonoma 4.2 mi up Cavedale Rd from jct of State Rt-12 Comment
  SD113991  Quercus durata Darley F. Howe 1972-4-28 4813 Sonoma Mt Hood Range, Trinity Road 395 Comment
  UCD149625  Quercus durata G. Ledyard Stebbins 1994-3-23 s.n. Sonoma Pepperwood Preserve Comment
  UCSB34091  Quercus durata var. durata Nixon, Kevin 1978-12-27 Sonoma 3.3 mi north of Cloverdale on hwy 128 274 Comment
  UC1196518  Quercus garryana Joseph P. Tracy 1930-11-30 9270 Sonoma creek below Knights Valley; North Coast Ranges 152 Comment
  UCD46175  Quercus garryana Rimo Baeigalupi 1958-11-23 6961 Sonoma On property of Fred H. Clemens, at junction of Arata Road and U.S. Highway 101, 4 miles south of Healdsburg. Comment
  RSA169311  Quercus garryana var. garryana L. S. Rose 1964-8-26 64066 Sonoma 6 miles NE of Penngrove. 366 Comment
  UCD46076  Quercus garryana var. garryana Frederica Bowcutt 1996-5-19 2138 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. About 1 air miles S of Red Mtn. in Adobe Canyon near office and corral. 396 Comment
  CAS-BOT-BC105485  Quercus kelloggii Lewis S. Rose 1964-6-27 64058 Sonoma 2 miles N of Sonoma 900 Comment
  HSC8257  Quercus kelloggii L. S. Rose 1964-6-27 64058 Sonoma 2 mi N of Sonoma 274 Comment
  UCD46737  Quercus kelloggii John M. Tucker 1952-9-20 2617 Sonoma California, Sonoma Co,; Voight Ranch, ca. 1.25 (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse; Comment
  CAS-BOT-BC62846  Quercus lobata Dorothy Scherer 1996-10-14 74 Sonoma North of barn off Deaview Rd. SE corner of Fort Ross State Historic Park 441 Comment
  JEPS46673  Quercus lobata W. L. Jepson 1902-11-12 Sonoma Cloverdale Comment
  SEINET13953520 Image available Quercus lobata S. N. Stephenson 1979-1 Sonoma Sonoma, terminus of Wyatt Road 250 Comment
  UCD47597  Quercus wislizeni K. Cuff 1948-8-26 KC 58 Sonoma 5 miles north of Annapolis, Section 1, T. 11N, R. 14W. 426 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
  RSA177965  Quercus wislizeni var. frutescens Robert F. Thorne 1965-4-20 34386 Sonoma Robert Sone's place on Rock Ridge Lane- Mentecito Ave. on Rincon Ridge, Santa Rosa. 107 Comment
  UCD47610  Quercus wislizeni var. frutescens Frederica Bowcutt 1994-6-25 1921 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. Confirmed by K. Mawdoley 21 Oct 1996. 670 Comment
  RSA0062826  Ranunculus aquatilis Greg de Nevers 1990-3-26 9655 A Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Weimar Flat. 100 Comment
  CAS-BOT-BC379155  Ranunculus aquatilis var. aquatilis G. de Nevers 1982-4-18 1947 Sonoma Pepperwood Ranch, aquatic in Hansel's Lake Comment
  UCD150854  Ranunculus arvensis 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
  SEINET7096763  Ranunculus californicus A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane off Occidental Road 1 mile east of Occidental. NAD27, 38? deg. 24' 25ao, -122?_ 55' 38ao (converted to WGS84 decimal degrees) UTM Zone 10, 566349mE, 4250771mN. Comment
  UC1126147  Ranunculus californicus A. Lewis 1932-5-14 76 Sonoma Calabasas Creek Napa Quadrangle 457 Comment
  UCD150138  Ranunculus californicus Ayzik Solomeshch 2009-5-13 s.n. Sonoma West edge of city of Santa Rosa, S of Hwy 12 and just E of S Wright Rd. San Jones wetland, sampling pool #1. 31 Comment
  POM268814  Ranunculus californicus A. A. Heller, H. E. Brown 1902-3-14 s.n. Sonoma Near Santa Rosa. Comment
  SEINET12089665  Ranunculus californicus Unknown 1980-1 18 Sonoma Skaggs Springs Quad. T10N R11W Sec. 7 61 Comment
  SD88412  Ranunculus californicus var. californicus Darley F. Howe 1972-4-28 4818 Sonoma Trinity Road, Mt. Hood Range 121 Comment
  CAS-BOT-BC378686  Ranunculus californicus var. californicus John H. Thomas 1976-6-16 18272 Sonoma southern part of Sea Ranch, northwestern part of county, about 7 mi south of Gualala Comment
  CAS-BOT-BC378692  Ranunculus californicus var. californicus Peter Rubtzoff 1966-5-29 5727 Sonoma Laguna de Santa Rosa area east of Cunningham (nr. Llano Rd.) Comment
  CAS-BOT-BC378700  Ranunculus californicus var. californicus John Thomas Howell 1931-4-2 6043 Sonoma Boyes Springs Comment
  JEPS97529  Ranunculus lobbii R. D. Stone and W. B. Davilla 1985-3-13 654 Sonoma Shiloh Ranch Mark West Springs (2.3 airmiles NE of int. of Shiloh and Faught rds.; 0.6 airmiles WSW of); valley of sm. tributary in Mark West Creek drainage 259 Comment
  RSA534583  Ranunculus lobbii Peter Rubtzoff 1972-3-31 6721 Sonoma Todd Road 1.4 miles from Hwy 116 and 0.6 mile from Llano Road Comment
  UCD96235  Ranunculus muricatus Cynthia Hodges 1982-4-8 14 Sonoma directly off of Highway 128, 10 miles S of Healdsberg on Chalk Hill Road. 38 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
  SEINET7067254  Ranunculus occidentalis A. G. Vestal 1947-5-13 s.n. Sonoma About 0.6 miles north of Annapolis and towards Bushy Ridge. Coordinate datum: NAD27. Comment
  UCR265136  Ranunculus occidentalis Ann Howald 2015-4-1 3320 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 15.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 397 Comment
  SEINET12093069  Ranunculus occidentalis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -175 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  UC1542900  Ranunculus occidentalis H. E. and S. T. Parks 1930-5-9 614 Sonoma Alexander Valley; on banks of stream entering valley Comment
  UC1614276  Ranunculus orthorhynchus var. bloomeri Charles M. Belshaw 1936-3-7 1555 Sonoma 1 mi ne of Occidental Comment
  UC205821  Ranunculus orthorhynchus var. bloomeri A. A. Heller 1902-3-14 5061 Sonoma near Windsor Comment
  UC765741  Ranunculus orthorhynchus var. bloomeri R. F. Hoover 1939-4-18 4048 Sonoma Los Guilicos 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
  SEINET12094350  Ranunculus parviflorus H. K. Wagnon 1989-1 1867 Sonoma 5555 Montgomery Dr., Santa Rosa 67 Comment
  JEPS18121  Ranunculus pusillus Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-31 5677 Sonoma above Canyon of Big Austin Creek (4 mi n of Cazadero, above Arroyo Gun Club); Onion Pond 154 Comment
  UCD97085  Ranunculus repens Mary M. Hektner 1976-6-23 261 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SDSU10151  Reseda luteola D. F. Howe 1977-10-10 5016 Sonoma W. of Petaluma on D3 near Marin Co. 47 Comment
  RSA390199  Rhamnus californica Christopher Davidson 1977-6-20 60115 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  SEINET12210981  Rhamnus californica W. Knight, Knight, I. 1984-1 5005 Sonoma Gualala Point Regional Park, in picnic area with grand firs and Douglas firs 11 Comment
  CAS-BOT-BC200335  Rhododendron occidentale var. occidentale Peter Rubtzoff 1960-6-11 4502 Sonoma Laguna de Santa Rosa area east of Graton, betw. Occidental and Guerneville rds. Comment
  CDA16153  Rhododendron occidentale var. occidentale R. Gross 1999-7-2 s.n. 1 Sonoma North Coast Ranges; NW side of Mt. St. Helena, seep below Ida Clayton Rd. (3 separate inds. on sheet.) 0 Comment
  RSA94351  Rhododendron occidentale var. paludosum Peter Rubtzoff 1951-6-17 277 Sonoma Northern half of Lower Marsh; in a thicket Comment
  CAS-BOT-BC111871  Rhynchospora alba John Thomas Howell; Hans Leschke 1945-5-30 20896 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111888  Rhynchospora californica Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  UC1100685  Rhynchospora californica Herbert L. Mason 1946-7-4 12881 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  CAS-BOT-BC111929  Rhynchospora recognita John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  UC79601  Ribes G. A. Newell Aug. 1900 Sonoma Russian River Station Russian River Comment
  JEPS128275  Ribes californicum Roger Raiche 2004-2-15 043 .04 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC58224  Ribes californicum A. A. Heller 1903-4-24 6613 Sonoma near Cazadero Comment
  CAS-BOT-BC93057  Ribes californicum var. californicum Walter Knight; Irja Knight 1964-3-9 562 Sonoma San Antonio Creek near bridge to Henry Corda Ranch. Comment
  SEINET13942449 Image available Ribes divaricatum Lewis S. Rose 1962-1 62018 Sonoma Laguna de Santa Rosa, 0.5 mi E of Cunningham, alt ca 50 ft, edge of marsh 15 Comment
  CAS-BOT-BC169001  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1951-6-16 211 Sonoma Northern half of Lower Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC212919  Ribes menziesii Peter H. Raven 1954-2-27 6432 Sonoma Hooker Creek, Hoods Peak Range 457 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-BC198926  Ribes roezlii var. cruentum Alice Eastwood 1922-3-26 11107 Sonoma Mt. St. Helena Comment
  UC75453  Ribes roezlii var. cruentum Milo S. Baker 1898-4-4 23 Sonoma Sea View Comment
  UC75454  Ribes roezlii var. cruentum Milo S. Baker 1903-3-20 Sonoma Hood Mt. Comment
  RSA0024608  Ribes roezlii var. cruentum A. A. Heller 1903-4-24 6615 Sonoma Woods near Cazadero. Comment
  SBBG50761  Ribes sanguineum R. F. Denno 1967-3-23 12 Sonoma Hwy 1, 4 mi S of Fort Ross Comment
  UCD102490  Ribes sanguineum Michael A. Vincent; Ethan H. Freid 1998-4-8 8174 Sonoma Bodega Bay, 0.5 mile northeast of city limits along Rt. 1. Comment
  SEINET13942791 Image available Ribes sanguineum A. A. Heller, H. E. Brown 2002-1 5112 Sonoma Hills SE of Santa Rosa Comment
  CAS-BOT-BC168764  Ribes victoris A. A. Heller 1903-4-24 6615 Sonoma Woods near Cazadero Comment
  CAS-BOT-BC74393  Rorippa curvipes Peter Rubtzoff 1973-8-21 7250 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC74697  Rorippa curvisiliqua Peter Rubtzoff 1958-7-5 3742 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC74710  Rorippa curvisiliqua Peter Rubtzoff 1970-5-30 6242 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC74711  Rorippa curvisiliqua Peter Rubtzoff 1970-5-30 6242 A Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC74717  Rorippa curvisiliqua Greg de Nevers 1992-6-16 10168 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek. 304 Comment
  JEPS79426  Rorippa curvisiliqua Nancy Harrison 1980-4-7 Sonoma Park Trail Drive South Santa Rosa (s Santa Rosa) Comment
  UC398792  Rorippa curvisiliqua Katharine Brandegee Sonoma Duncan's Mills Comment
  CAS-BOT-BC371459  Rosa Greg de Nevers 1989-4-1 9071 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC152656  Rosa californica John Thomas Howell 1926-11-14 2248 Sonoma Santa Rosa Comment
  POM140210  Rosa californica A. A. Heller 1902-7-10 5678 Sonoma Santa Rosa Comment
  POM89567  Rosa californica Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  SD133982  Rosa californica Greg de Nevers 1986-11-7 8116 Sonoma Riebli Rd., NE of Santa Rosa 149 Comment
  RSA39874  Rosa eglanteria Philip A. Munz 1947-10-9 12210 Sonoma 2 miles NE of Armstrong Redwoods State Park. 91 Comment
  CAS-BOT-BC146771  Rosa gymnocarpa Peter Rubtzoff 1953-5-17 1387 Sonoma South of Guerneville (Neeley Hill area) Comment
  JEPS90530  Rosa gymnocarpa Elizabeth Cook 1975-5-18 89 Sonoma 5 mi. w. Oakville (on Oakville grade) Comment
  CAS-BOT-BC148296  Rosa pinetorum Greg de Nevers 1991-12-18 9839 Sonoma Pepperwood Naturual Preserve, 3450 Franz Valley Road, along Franz Valley Rd. by road cut below Al Cuneo's house. 475 Comment
  CAS-BOT-BC361345  Rosa spithamea Greg de Nevers 1997-4-24 10967 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA800353  Rubus spectabilis Peter Rubtzoff 1955-5-14 1853 Sonoma Duncan Mills Marsh. Upper portion of the marsh. Comment
  RSA800354  Rubus spectabilis Peter Rubtzoff 1957-4-28 3291 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC158721  Rubus ulmifolius Milo S. Baker 1944-7-31 10879 Sonoma Bank of Sonoma Cr. at the Miller residence below Kenwood. Comment
  UCD166510  Rumex Peter Rubtzoff 1962-6-22 4949 Sonoma Fife Creek Marsh. Comment
  UCD166511  Rumex Peter Rubtzoff 1959-9-12 4262 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC157665  Rumex Peter Rubtzoff 1971-6-29 6579 Sonoma Pitkin Marsh. Area 27. Comment
  CAS-BOT-BC422232  Rumex acetosella Peter Rubtzoff 1952-3-22 871 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC421848  Rumex conglomeratus Walter Knight; Irja Knight 1963-8-13 156 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC421853  Rumex conglomeratus A. A. Heller 1902-6-7 5660 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC173565  Rumex fueginus Peter Rubtzoff 1958-7-20 3792 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  UCR279631  Rumex fueginus Peter Rubtzoff 1962-9-30 5097 Sonoma Vacation Beach, 2 miles below Guerneville 6 Comment
  UCD148412  Rumex obtusifolius Peter Rubtzoff 1959-6-20 4167 Sonoma Willow Creek Marsh. Comment
  UCR244738  Rumex pulcher Peter Rubtzoff 1966-6-5 5751 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road) 30 Comment
  CAS-BOT-BC166935  Rumex pulcher Peter Rubtzoff 1961-8-22 4689 Sonoma Fife Creek Marsh. Comment
  UCD158722  Rumex salicifolius James A. Neilson Jr. 1974-7-31 2832 Sonoma Mayacmas Mountains. North of Little Geysers well # 2. 731 Comment
  POM252714  Rupertia physodes A. A. Heller 1902-6-11 5991 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  POM252713  Rupertia physodes A. A. Heller 1902-6-23 5744 Sonoma Petrified Forest Comment
  CAS-BOT-BC320532  Sagina Peter Rubtzoff; Nancy Harrison 1978-6-11 9214 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley. Comment
  CAS-BOT-BC445776  Sagittaria latifolia Peter Rubtzoff 1963-10-9 5296 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC290676  Salix Peter Rubtzoff 1973-10-10 7337 Sonoma Salmon Creek, 0.25 miles south of Freestone. Comment
  CAS-BOT-BC290694  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7352 Sonoma Kenwood Marsh. Comment
  RSA0015573  Salix Peter Rubtzoff, J. Eckenwalder 1974-4-6 7347 Sonoma Kenwood Marsh. At south margin of the area. Comment
  RSA0018589  Salix Peter Rubtzoff, J. Eckenwalder 1974-4-6 7361 Sonoma Salmon Creek canyon 0.25 mi. south of Freestone. Comment
  CAS-BOT-BC126271  Salix X sepulcralis Peter Rubtzoff 1952-5-31 1117 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC103087  Salix bonplandiana Peter Rubtzoff 1963-10-5 5291 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC103088  Salix bonplandiana Peter Rubtzoff 1963-10-5 5292 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC103090  Salix bonplandiana Peter Rubtzoff 1972-8-25 6855 Sonoma Along the margin of the now dry San Antonio Creek on the east side of Hwy. 101 crossing Comment
  JEPS83009  Salix breweri Roger Raiche 1984-4-21 40112 Sonoma about 6 mi n Cazadero (headwaters of creek); Big Austin Creek, The Cedars 152 Comment
  RSA13574  Salix coulteri W. A. Setchell 1934-7-10 7 Sonoma Coast Highway. N of Fort Ross. Comment
  CAS-BOT-BC103946  Salix exigua Peter Rubtzoff 1960-5-29 4422 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  RSA534498  Salix exigua Peter Rubtzoff 1969-8-29 6179 Sonoma Pond ca 3 miles W of Fulton on River Road. Comment
  RSA534564  Salix exigua Peter Rubtzoff 1960-5-29 4422 Sonoma Laguna de Santa Rosa near Trenton (S of Woodsey Road). Comment
  UC66147  Salix exigua var. hindsiana A. A. Heller 1902-4-8 5224 Sonoma Bennett Valley se of Santa Rosa Comment
  SEINET5633112 Image available Salix hindsiana A. A. Heller 1902-4-8 5224 Sonoma Bennett Valley southeast of Santa Rosa. Comment
  UC66170  Salix laevigata A. A. Heller 1902-4-23 5348 Sonoma near Sonoma Sonoma Comment
  RSA90541  Salix laevigata Milo S. Baker 1930-04 3945 Sonoma S.R. Creek 1 mile E of S.R. on Sonoma Hwy. Comment
  UC482064  Salix lasiandra subsp. lasiandra Baker, Ball, Bracelin, and Crum 1931-5-9 347 Sonoma ca. 2 km. e. Bodega Bay (near Bodega, on Santa Rosa - Bodega Hwy., Larkspur R__k) Comment
  UC482065  Salix lasiandra subsp. lasiandra Baker, Ball, Bracelin, and Crum 1931-5-9 347 Sonoma ca. 2 km. e. bodega Bay Comment
  CAS-BOT-BC128062  Salix lasiandra var. lasiandra Peter Rubtzoff 1952-3-23 890 Sonoma Pitkin Marsh, near Forestville, lower part of the Upper Marsh Comment
  CAS-BOT-BC107089  Salix lasiolepis Mary P. Wells 1986-2-2 726 Sonoma north of Wild Moor Reach, The Sea Ranch Comment
  UC505691  Salix lasiolepis C. R. and B. S. Ball 1933-5-6 2502 Sonoma 4 mi. s.w. Calistoga (on rd. to Petrified Forest, just over Napa Co. line) Comment
  UC511620  Salix lasiolepis W. A. Setchell 1933-7-2 2 Sonoma Bohemian Grove Monte Rio (well away from Russian River) Comment
  UC66160  Salix lasiolepis A. A. Heller 1902-3-10 5016 Sonoma hills 2 mi se Santa Rosa Comment
  UC66165  Salix lasiolepis A. A. Heller 1902-3-28 5177 Sonoma Bodega Bay Comment
  UCD111655  Salix lasiolepis Peter Rubtzoff 1951-8-19 646 Sonoma Pitkin Marsh, near Forestville. Comment
  RSA94337  Salix lasiolepis Peter Rubtzoff 1951-11-24 845 Sonoma S of the Upper Marsh. Comment
  SEINET10396745  Salix lasiolepis A. A. Heller 1902-3-28 5177 Sonoma Bodega Bay. Comment
  CAS-BOT-BC107347  Salix lasiolepis var. bigelovii Peter Rubtzoff; T. J. Crovello 1964-9-3 5498 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC107348  Salix lasiolepis var. bigelovii Peter Rubtzoff 1959-6-13 4136 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC107353  Salix lasiolepis var. bigelovii Baker; Ball; Bracelin; Crum 1931-5-9 345 Sonoma About 2 km. east of Bodega Bay Comment
  RSA534503  Salix lasiolepis var. bigelovii Peter Rubtzoff, T. J. Covello 1964-9-3 5495 Sonoma Bodega Bay Marsh. Comment
  RSA534504  Salix lasiolepis var. bigelovii Peter Rubtzoff 1962-5-11 4812 Sonoma Laguna de Santa Rosa. E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC128316  Salix lasiolepis var. lasiolepis Peter Rubtzoff 1951-11-24 845 Sonoma A marshy opening south of the Upper Marsh Comment
  CAS-BOT-BC128320  Salix lasiolepis var. lasiolepis A. A. Heller 1902-8-23 5097 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  RSA94335  Salix lucida Peter Rubtzoff 1952-3-23 890 Sonoma Lower part of the Upper Marsh, in open damp area. Comment
  RSA94334  Salix lucida subsp. lasiandra Peter Rubtzoff 1952-3-23 891 Sonoma S of the Upper Marsh. Comment
  RSA534563  Salix melanopsis Peter Rubtzoff 1970-9-2 6367 Sonoma Russian River bottom at Mirabel Park. Comment
  UC453089  Salix melanopsis W. A. Setchell 1931-7-25 9 Sonoma Russian R. at Bohemian Grove near Monte Rio; Russian R. Comment
  CAS-BOT-BC126199  Salix scouleriana Peter Rubtzoff 1951-8-18 627 Sonoma Western branch of the Upper Marsh Comment
  LA208907  Salix scouleriana W. A. Setchell; 1934-7-10 6 Sonoma Coast Hwy, N of Fort Ross Comment
  POM214873  Salix scouleriana Y. Mexia 1933-2-18 s.n. Sonoma 4 miles S of Camp Meeker. Comment
  SBBG57976  Salix scouleriana Baker, C. R. Ball, H. Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental, on Occidental grade Comment
  CAS-BOT-BC128909  Salix sitchensis Mary P. Wells 1981-4-19 s.n. Sonoma East of Coast Highway, part way up Moonraker Rd., The Sea Ranch Comment
  LA208960  Salix sitchensis Ball; Bracelin, Parks 1931-4-21 36 Sonoma Maacama Creek, 25 km NW of Calistoga Comment
  RSA5722  Salix sitchensis Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 344 Sonoma About 2 km E of Bodega Bay. Comment
  UC1173578  Salix sitchensis Joseph P. Tracy 1935-8-18 14743 Sonoma w. of Knight's Valley (Mayacamas Creek); Mayacamas Creek 152 Comment
  UC482104  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 35 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  UC482105  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 36 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  UC482107  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 36 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  UC498691  Salix sitchensis Annetta Carter 1933-2-18 254 Sonoma 185 yds. from ocean Fort Ross (beside creek) 3 Comment
  UC504049  Salix sitchensis W. A. Setchell 1933-5-6 Sonoma roadside between Monte Rio and Camp Meeker Comment
  SEINET10424546  Salix sitchensis A. A. Heller 1902-1 5044 Sonoma Sonoma Creek, foot of Mount Hood. Comment
  CAS-BOT-BC376260  Salpichroa origanifolia Greg de Nevers 1991-5-14 9749 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. At Ward House 475 Comment
  UCD158832  Salvia James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2922 Sonoma the Geysers, Section 14. (Elevation estimated by label maker using Google Earth.) 533 Comment
  UC1124722  Salvia columbariae H. S. Yates 1934-4-22 3862 Sonoma near Petrified Forest; Calistoga Quad. 243 Comment
  UCR255030  Salvia columbariae Greg de Nevers 1993-5-30 10466 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC221105  Salvia sonomensis K. J. Murray 1980-4-12 024 Sonoma Franz Valley Rd., 8 mi. NW of Calistoga 609 Comment
  POM126741  Salvia sonomensis H. P. Chandler 1907-4-27 7545 Sonoma Napa County: St. Helena to Santa Rosa via spring Mt. Comment
  CAS-BOT-BC245883  Sambucus nigra subsp. caerulea Walter Knight; Irja Knight 1963-9-1 145 Sonoma Pine Mt. Rd., NE of Cloverdale, Harold Smith Ranch 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
  UC174166  Sanicula arctopoides Katharine Brandegee June, 1905 Sonoma Bodega Comment
  UC750801  Sanicula bipinnatifida Charles B. Heiser Jr. 1946-4-13 1719 Sonoma between Jenner and Duncan Mills Comment
  UC1022536  Sanicula crassicaulis C. Ritchie Bell 1952-3-8 3 X335 Sonoma near entrance to Mountain Home Ranch Comment
  SD56670  Satureja douglasii D. F. Howe 1963-7-3 3589 Sonoma 20 mi. N of jnct. with #12 on #1 Comment
  SDSU7967  Satureja douglasii D. F Howe 1963-7-3 3589 Sonoma 20 miles north of junction with #12 on #1. Comment
  UC71997  Saxifraga californica Milo S. Baker 1898-3-26 682 Sonoma Santa Rosa Comment
  POM142248  Saxifraga mertensiana Jos. Burtt Davy 1896-3-14 1667 Sonoma [Unspecified] Comment
  UC75643  Scandix pecten-veneris Milo S. Baker 1899-6-5 Sonoma Santa Rosa Comment
  JEPS77256  Scandix pecten-veneris Robert M. Lloyd 1963-4-24 2395 Sonoma 13.8 mi from State Highway 12 on road to Oakdale 365 Comment
  CAS-BOT-BC283146  Schedonorus arundinaceus David L. Morgan 1960-7-7 s.n. Sonoma On Roblar Road 1/2 mi. W. of Stony Pt. Road at R.R. crossing Comment
  CAS-BOT-BC283149  Schedonorus arundinaceus Walter Knight; Irja Knight; J. T. Howell 1987-5-20 6282 Sonoma Northeast corner Llamo and Todd Roads 25 Comment
  CAS-BOT-BC422352  Schedonorus arundinaceus Peter Rubtzoff 1962-5-5 4807 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC111438  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1960-6-25 4522 Sonoma Laguna de Santa Rosa northeast of Graton, ca 1/2 mi north of Guernebille Rd. crossing. Comment
  SD134081  Schoenoplectus californicus Peter Rubtzoff 1962-8-3 5030 Sonoma Lower Salmon Creek Marsh, in open wet mud, formerly under water. Comment
  RSA227213  Schoenoplectus fluviatilis Peter Rubtzoff 1955-8-7 2033 Sonoma Sonoma County: Guerneville Marsh. Comment
  RSA534612  Schoenoplectus pungens Peter Rubtzoff 1955-8-20 2067 Sonoma Bodega Harbor Marsh. Comment
  RSA0009471  Schoenoplectus pungens Marcus E. Jones 1882-7-18 3526 Sonoma Duncan Mills. Comment
  RSA90531  Schoenoplectus pungens Milo S. Baker 8611 Sonoma Sea beach at mouth of Salmon Creek Comment
  CAS-BOT-BC111836  Schoenoplectus tabernaemontani Peter Rubtzoff 1955-7-9 1930 Sonoma Forestville Marsh. Comment
  RSA0009470  Schoenoplectus tabernaemontani Marcus E. Jones 1931-7-5 29197 Sonoma Cloverdale. Comment
  SEINET11750297  Schoenoplectus tabernaemontani W. Knight, Knight, I. 1984-1 5427 Sonoma Willow Cr. Road 61 Comment
  SEINET11750538  Schoenoplectus tabernaemontani H. K. Wagnon 1988-1 1744 Sonoma Santa Rosa, Spring Lake Park, just S of Montgomery Dr 73 Comment
  UC1153783  Scirpus cernuus B. Crampton 1957-7-22 4374 Sonoma 0.9 mi s Stewart's Point (along State Hwy 1); s of Stewart's Point Comment
  CAS-BOT-BC361425  Scirpus microcarpus Greg de Nevers 1997-4-1 10925 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  SEINET12058076  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -002 Sonoma WNW of Sebastapol, 0.2 mi S of Occidental Road on Furlough Road, Sturgeon's Mill 80 Comment
  UCSB13223  Scoliopus bigelovii Dearing, Hugh; Dearing, Margaret 1939-5-14 Sonoma Nr. Monte Rio Comment
  CAS-BOT-BC320499  Scrophularia californica Peter Rubtzoff 1962-10-23 5122 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  POM14854  Scrophularia californica A. A. Heller, H. E. Brown 1902-4-17 5321 Sonoma Hills at Santa Rosa Comment
  CAS-BOT-BC376397  Scrophulariaceae Greg de Nevers 1995-12-3 10777 Sonoma Ida Clayton Road over Mt. St. Helena, 3 miles north of Highway 128. 182 Comment
  JEPS62892  Scutellaria californica W. L. Jepson 1923-6-28 10002 Sonoma Kenwood, Sonoma Canyon Kenwood; , Sonoma Canyon 243 Comment
  POM311092  Sedella pumila Leo Koch 1940-4-24 848 Sonoma North of Agua Caliente. Comment
  JEPS48027  Sedum spathulifolium W. L. Jepson 1923-6-28 10017 Sonoma Kenwood , Kenwood (Sonoma Canyon) 243 Comment
  CAS-BOT-BC63941  Sedum spathulifolium J. F. Emmel 1970-5-10 274 Sonoma .3 air mile E of confluence of Rancheria Creek and Warm Springs Creek on Stewarts Pt. Skaggs Springs Road. 144 Comment
  CDA11981  Selaginella wallacei G. F. Hrusa, T. D. Wilfred 1995-12-3 12486 Sonoma North Coast Biodiversity Arena; summit of Chalk Mtn. on the W face. Foote Ranch, NW base of Mt. St. Helena, immediately N of Ida Clayton Rd. Comment
  UC485215  Senecio aronicoides H. P. Chandler 1907-4-21 7528 Sonoma road from Glen Ellen to Oakville Comment
  CAS-BOT-BC363762  Senecio integerrimus F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  UCD133852  Senecio sylvaticus Frederica Bowcutt 1984-6-23 447 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast.. North of Gerstle Cove about 1/2 mile. Salt Point State Park. 15 Comment
  POM21700  Sequoia sempervirens A. A. Heller, H. E. Brown 1902-3-16 5080 Sonoma Russian River, Near Trenton Comment
  SEINET6727390  Sequoia sempervirens L. Fallon 1939-1-2 s.n. Sonoma 15 miles west of Santa Rosa on Guerneville Highway Comment
  JEPS128164  Sesbania punicea Eric Wrubel 2012-6-30 101 Sonoma Santa Rosa. Olivet Road at the intersection with Viking Road. Comment
  UCR255056  Setaria parviflora Greg de Nevers 1992-6-17 10175 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 305 Comment
  CAS-BOT-BC240151  Setaria pumila David L. Morgan 1958-8-6 s.n. Sonoma Highway 101, Sonoma-Marin County Line Comment
  UCR275238  Sidalcea Peter Rubtzoff, Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7814 Sonoma Kenwood Marsh 120 Comment
  UC189198  Sidalcea calycosa J. W. Congdon 1880-5-6 Sonoma Petaluma Comment
  UC202838  Sidalcea calycosa subsp. calycosa Milo S. Baker May 1889 Sonoma Stewarts Canyon North Falls, Stewarts Canyon Comment
  SEINET7042678  Sidalcea diploscypha A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UCD116801  Sidalcea malviflora Marla A. Shapiro 1976-5-29 420 Sonoma 5 miles north of Bodega Bay on Highway 1 at Coleman Beach. Comment
  SEINET4854003  Sidalcea malviflora subsp. laciniata C. Leo Hitchcock 1952-6-4 19582 Sonoma About 2 miles east of Sebastopol on road to Petaluma. Comment
  UC1124977  Sidalcea malviflora subsp. laciniata H. S. Yates 1934-4-22 3858 Sonoma Sonoma Canyon Santa Rosa Quad., Sonoma Canyon Comment
  CDA36503  Sidalcea malviflora subsp. laciniata T. C. Fuller 1966-6-2 14852 Sonoma Road to Petaluma, 1 mile east of Valley Ford. 0 Comment
  POM126815  Sidalcea malviflora subsp. malviflora M. S. Baker 1899-04 s.n. Sonoma Dillon Beach. Comment
  UC1013006  Sidalcea malviflora subsp. purpurea C. L. Hitchcock 1952-6-4 19584 Sonoma one mi n Ft. Ross; n of Ft. Ross Comment
  POM225311  Sidalcea oregana subsp. valida J. T. Howell 1932-9-18 10766 Sonoma Kenwood Marsh near Kenwood Comment
Read comments
Mar 10 2009
  CAS-BOT-BC251240  Silene Peter Rubtzoff 1967-8-28 5860 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC311804  Silene Peter Rubtzoff 1974-5-18 7417 Sonoma Todd Road 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  JEPS45851  Silene californica Eleanor Armstrong 1932-5-28 504 Sonoma 6 mi w of Graton (along Meek[s] grade); w of Graton 60 Comment
  CAS-BOT-BC392492  Silene gallica Greg de Nevers 1997-5-23 11008 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. 457 Comment
  UCR143600  Silene gallica G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  UCD98687  Silene gallica Helen K. Sharsmith 1963-5-25 5478 Sonoma on road from Freestone to Occidental. 121 Comment
  UCD160112  Silene laciniata subsp. californica James A. Neilson Jr. 1973-6-3 2955 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-BC389223  Silene laciniata subsp. californica A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero Comment
  UC604116  Silene scouleri subsp. grandis Baker 1938-6-6 9026 Sonoma top of Bodega Rock Bodega Bay; North Bay Counties, , top of Bodega Rock Comment
  JEPS53886  Sisymbrium altissimum R. Kuhn 1914-6-1 Sonoma Sonoma Comment
  JEPS128208  Sisyrinchium bellum Roger Raiche 2000-4-20 038 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  POM169048  Sisyrinchium bellum A. A. Heller, H. E. Brown 1902-3-26 5154 Sonoma Santa Rosa Creek. Comment
  JEPS64293  Sisyrinchium californicum Lucille Roush 1928-4-15 Sonoma near Russian River; Fort Ross Comment
  SEINET5272562  Sisyrinchium californicum Unknown 1994-4-3 81 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; Hwy 1 Comment
  UC429242  Smilacina racemosa H. P. Chandler 1907-4-21 7529 Sonoma road fr. Glen Ellen to Oakville Comment
  CDA28745  Smilacina stellata S. Blank, P. Kerr 2007-4-3 s.n. Sonoma North Coast Ranges; Annadel State Park. Hunter Spring. Comment
  CAS-BOT-BC164409  Solanum Peter Rubtzoff 1959-8-30 4251 Sonoma Drake's Beach, near Guerneville. Comment
  CAS-BOT-BC166713  Solanum Peter Rubtzoff 1958-8-17 3889 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC164419  Solanum Peter Rubtzoff 1971-8-9 6634 Sonoma Laguna, Chileno Valley. Comment
  CDA5905  Solanum carolinense T. C. Fuller 1967-9-12 16360 Sonoma 1605 Laguna Road, Sebastopol . 0 Comment
  NY821075  Solanum nodiflorum B. Anderson 1985-9-30 2832 Sonoma Sonoma Mountain Rd., just off Warm Springs Rd. 90 Comment
  UCD151249  Solanum xanti James A. Neilson Jr. 1974-4-24 2731 Sonoma Mayacmas Mountains. One mile north of Little Geysers. Steam well site. (Elevation estimated using Google Earth by label maker.) 1097 Comment
  CAS-BOT-BC376420  Solidago Greg de Nevers 2002-9-9 12841 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 152 Comment
  POM40283  Solidago californica Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC365584  Solidago elongata Peter Rubtzoff 1951-9-2 719 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  RSA0036023  Solidago occidentalis Peter Rubtzoff 1956-9-15 2915 Sonoma Atascadero Creek Marsh. Comment
  UCD136064  Solidago spathulata Mary M. Hektner 1974-1 s.n. Sonoma Unit 17 Owners' Map, Sea ranch, near State Highway 1. Comment
  CAS-BOT-BC365258  Solidago velutina subsp. californica Greg de Nevers; Frank Almeda 1987-4-11 8137 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 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-BC365257  Solidago velutina subsp. californica unspecified 1898-8-1 s.n. Sonoma San Raphael [Rafael] Comment
  CAS-BOT-BC365269  Solidago velutina subsp. californica Walter Knight; Irja Knight 1963-8-13 200 Sonoma Bodega Head Comment
  POM11812  Soliva sessilis Katherine Brandegee s.n. Sonoma Santa Rosa. Comment
Read comments
Dec 19 2015
  RSA790514  Soliva sessilis Peter Rubtzoff 1971-5-8 6444 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mi west of Arnold Drive. Comment
  CAS-BOT-BC164074  Sonchus Peter Rubtzoff 1960-6-25 4511 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  UC1146596  Sorghum halepense Freed W. Hoffman July 1941 2220 Sonoma near Guerneville; North Coast Ranges Comment
  CAS-BOT-BC236594  Sorghum halepense G. DeNevers 1981-6-26 1664 Sonoma Along River Road between Fulton and Mirabel Park, Russian River area Comment
  POM119055  Sparganium angustifolium subsp. emersum Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC258919  Spergula Peter Rubtzoff 1958-9-28 s.n. Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  UCD158738  Spergula arvensis James A. Neilson Jr. 1974-6-1 1313 Sonoma Mayacmas Mountains. The Geysers. (Elevation estimated using Google Earth by label maker.) 441 Comment
  JEPS51207  Spergula arvensis subsp. arvensis G. G. Frey 1921-12-5 Sonoma Sebastopol Comment
  CAS-BOT-BC390515  Spergularia macrotheca var. macrotheca Walter Knight; Irja Knight 1963-8-13 139 Sonoma Horseshoe Cove Comment
  SEINET11933368  Spergularia villosa W. Knight, Knight, I. 1984-1 5085 Sonoma near Gilardi's Resort, near Lakeville along Petaluma River Comment
  RSA82588  Stachys ajugoides F. W. Peirson 1925-8-8 6341 Sonoma Roadside 6 miles south of Santa Rosa Comment
  SEINET12331121  Stachys rigida subsp. quercetorum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -153 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 80 Comment
  UCD160883  Stachys rigida var. quercetorum James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3279 Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SEINET12326113  Stachys rigida var. quercetorum W. Knight, Knight, I. 1983-1 4718 Sonoma Sonoma Montain Road #2 along creek near Wake Robin Lodge on old Jack London property Comment
  RSA800605  Stellaria Peter Rubtzoff 1967-8-28 5866 Sonoma SE of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC175333  Stellaria borealis subsp. sitchana Milo S. Baker 1928-4-28 3011 Sonoma Pitkin Swamp Comment
  CAS-BOT-BC375317  Stephanomeria exigua subsp. coronaria G. DeNevers 1981-6-15 1555 Sonoma Pepperwood Ranch. Along road from Bald Hills to Franz Valley Creek Comment
  CAS-BOT-BC375318  Stephanomeria exigua subsp. coronaria G. DeNevers 1981-6-27 1681 Sonoma Pepperwood Ranch. Walk up the Creek from Franz Valley Road through the Devil's Kitchen Comment
  UCR142044  Stipa lepida Beecher Crampton 1955-6-17 2966 Sonoma North Coast, 1.5 miles east of Fort Ross 366 Comment
  CAS-BOT-BC61147  Streptanthus barbiger Milo S. Baker 1946-7-4 11519 Sonoma Harrison Grade, 2 miles northeast of Occidental. Comment
  UC1178914  Streptanthus barbiger Herbert L. Mason 1946-7-4 12896 Sonoma ridge 2 mi e Occidental Comment
  UC1736738  Streptanthus barbiger Dean W. Taylor 1998-6-22 16682 Sonoma Geysers Area, serpentine barren along John King Cade Road; headwaters Cobb Creek 975 Comment
  UC963921  Streptanthus barbiger Milo S. Baker 1947-5-30 11775 Sonoma along grade ca 2 mi ne Occidental; North Bay Counties, Harrison Grade Comment
  UCD72522  Streptanthus brachiatus Sharon Strauss 2007-6-28 s. n. Sonoma End of Pine Flat Road at Calpine 'The Geysers.' Up fire road 0.1 mile from parking area at gate. 973 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
  JEPS128292  Streptanthus glandulosus subsp. hoffmanii Roger Raiche 2009-4-30 030 .09 Sonoma The Cedars. Lower Russian River, East Austin Creek watershed. Comment
  JEPS128312  Streptanthus glandulosus subsp. hoffmanii Roger Raiche 2000-5-21 105 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC10912  Streptanthus glandulosus subsp. secundus Edw. L. Greene 1894-6-17 Sonoma Mt. St. Helena Comment
  UC762907  Streptanthus glandulosus subsp. secundus Robert F. Hoover 1941-5-14 5084 Sonoma 3 mi s Monte Rio (on road to Camp Meeker) Comment
  UC985961  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-7-30 1064 Sonoma near Guerneville; North Coast Ranges, Mt. Jackson Quicksilver Mine Comment
  CAS-BOT-BC87305  Streptanthus glandulosus subsp. sonomensis Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4756 Sonoma The Cedars. Near Cazadero on Twitchell Ranch. 274 Comment
  UC673192  Streptanthus glandulosus subsp. sonomensis Lincoln Constance and Reed C. Rollins 1942-5-10 2863 Sonoma 4 mi n Geyserville; North Coast Ranges 60 Comment
  UC1492806  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1949-8-19 2995 Sonoma near headwaters of Devil Creek (tributary of East Austin Creek); North Coast Ranges, The Island Comment
  CAS-BOT-BC274034  Stuckenia pectinata Peter Rubtzoff 1964-8-20 5465 Sonoma 1 mile southeast of Jenner (near crossing of Hwys. 1 & 12). Comment
  UCD138358  Stuckenia pectinata E. D. Mathews 1931-9-8 s.n. Sonoma Exact location unknown. Comment
  CAS-BOT-BC245858  Symphoricarpos Peter Rubtzoff 1974-6-2 7530 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC258035  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  CAS-BOT-BC354313  Symphyotrichum Peter Rubtzoff 1971-8-23 6649 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC98565  Symphyotrichum lentum F. G. Krauss 1893-10-8 s.n. Sonoma Mountains, Krauss Ranch Comment
  UC29899  Symphyotrichum spathulatum J. Burtt Davy 1897-9-19 4032 Sonoma near Petaluma Comment
  CDA5450  Taeniatherum caput-medusae D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .278 Sonoma Cavedale Rd. Comment
  OBI23271  Taraxacum officinale Jim Rogers 1972-7-30 9 Sonoma 3764 Oregon Dr, Santa Rosa Comment
  CHSC1158  Taraxia ovata V. Holt 1935-3-24 Sonoma Near Petaluma. Comment
  CAS-BOT-BC399881  Thalictrum polycarpum Mrs. H. C. Cantelow 1934-4-29 504 Sonoma Dry Creek Comment
  CAS-BOT-BC66809  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10936 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66821  Thysanocarpus curvipes David D. Keck 1931-4-4 1098 Sonoma Santa Rosa Creek Canyon. 225 Comment
  CAS-BOT-BC66827  Thysanocarpus curvipes Ira L. Wiggins 1949-4-30 12069 A Sonoma 4 miles west of Calistoga. Comment
  CAS-BOT-BC66812  Thysanocarpus curvipes Karl H. Rechinger; J. T. Howell 1953-4-12 s.n. Sonoma Hills north of Sonoma. Comment
  CAS-BOT-BC66820  Thysanocarpus curvipes A. A. Heller; H. E. Brown 1902-4-14 5287 Sonoma Near Mark West Springs. Comment
  UC11048  Thysanocarpus radians Alice King Apr., 1897 Sonoma Healdsburg Comment
  RSA0049969  Thysanocarpus radians M. Alice King 1897-05 s.n. Sonoma Healdsburg 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
  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
  CAS-BOT-BC376216  Tolpis barbata Greg de Nevers 1995-5-20 10730 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  UCD128162  Torilis arvensis G. F. Hrusa; R. Gross 1999-6-12 15077 Sonoma Foote Ranch, corner of Ida Clayton Rd and Hwy 128, Knights Valley. Comment
  UC1084739  Torilis arvensis Milo S. Baker May 1957 13121 Sonoma Brookside Garden Comment
  JEPS48378  Torreya californica Docia Patchett 1922-1-1 Sonoma Sonoma coast Comment
  CAS-BOT-BC169258  Toxicodendron diversilobum Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  UCD163995  Trichostema Peter Rubtzoff; Nancy Harrison 1977-8-26 9117 Sonoma False Lake Meadow area, Annadel State Park. Comment
  HSC37861  Trichostema laxum Peter Sorensen 1976-7-30 Sonoma The Geysers, Big Sulphur Creek Comment
  UCR50512  Trichostema laxum L. F. LaPre 1987-6-28 s.n. Sonoma North Coast Ranges, Cadd Fire Trail, off Unocal Ridge Road, 2 mi. west of Socrates Mine, near Lake county line 976 Comment
  SEINET7972629  Trichostema laxum M. J. Williams, W. Roderick 1978-7-18 78- 228 -2 Sonoma Near Occidental. Comment
  SEINET8729726 Image available Trientalis europaea var. latifolia Martha Meagher 1947-1 102 Sonoma County road one-half mile west of Freezeout Creek, across Russian River from Duncan's Mills. Comment
  UC1541590  Trifolium albopurpureum var. dichotomum H. E. and S. T. Parks 1930-5-9 621 Sonoma Knights Valley Comment
  CAS-BOT-BC217054  Trifolium amoenum R. F. Hoover 1969-5-26 11349 Sonoma 2 mi. s. of Petaluma on Point Reyes Road. Comment
  UC630865  Trifolium barbigerum P. B. Kennedy 1915-5-31 Sonoma Anapolis Comment
  SEINET7067270  Trifolium barbigerum var. andrewsii A. G. Vestal 1947-5-13 s.n. Sonoma About 1.6 miles east of Annaplis on the Annapolis Road. Coordinate datum: NAD27. UTM 10, 425816mE, 4285229mN. Comment
  JEPS65920  Trifolium barbigerum var. andrewsii V. Blackney April 1929 Sonoma betw Trenton and Mark West Mt. Oliver School; Santa Rosa Comment
  CAS-BOT-BC371444  Trifolium bifidum Greg de Nevers 1998-5-5 11231 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  UC750533  Trifolium bifidum var. decipiens Lewis S. Rose 1947-5-9 47135 Sonoma Occidental Comment
  HSC15107  Trifolium breweri James Faro 1962-4-18 26 Sonoma About 5 mi. N of Geurneville on the Old Cazadero Rd. Comment
  UC165614  Trifolium ciliolatum Milo S. Baker 1898-5-7 641 Sonoma Glen Ellen Comment
  JEPS65801  Trifolium ciliolatum W. L. Jepson 1921-5-6 9814 Sonoma Calistoga to Parker Creek, grade summit Comment
  POM21437  Trifolium depauperatum A. A. Heller, H. E. Brown, A. H. Heller 1902-4-18 7352 Sonoma Near Windsor. Comment
  UC16480  Trifolium depauperatum var. depauperatum F. T. Bioletti 1892-1 Sonoma Comment
  UCD33226  Trifolium dichotomum Beecher Crampton 1967-5-15 7927 Sonoma Lytton. Comment
  CDA36841  Trifolium dubium CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCR254920  Trifolium fragiferum Greg de Nevers 1997-7-24 11071 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1084487  Trifolium fucatum G. Thomas Robbins 1938-5-19 263 Sonoma sw Santa Rosa (along Sandy Point Rd) Comment
  UC1130026  Trifolium fucatum H. S. Yates 1934-4-22 3836 Sonoma near Petrified Forest; Calistoga quad 243 Comment
  UC80507  Trifolium fucatum Alice Eastwood Apr 1901 Sonoma Bodega, type locality 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
  UCD111235  Trifolium incarnatum Allen Hahus 1978-4-22 18 Sonoma 0.25 mile west of Jonive Road on Highway 12. Comment
  UC1177072  Trifolium microcephalum Peter H. Raven 1951-4-22 2782 Sonoma e Agua Caliente (hills) 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
  UC85321  Trifolium obtusiflorum Michener and Bioletti 1895-6-1 Sonoma Kenwood Comment
  UCD168046  Trifolium obtusiflorum James A. Neilson Jr. 1983-10-24 4102 Sonoma Mayacmas Mountains, near mouth of Hummingbird Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  POM21435  Trifolium oliganthum A. A. Heller, H. E. Brown 1902-4-15 5296 Sonoma Santa Rosa Creek Comment
  UCSC011035  Trifolium rostratum R. Morgan 1995-6-8 2752 Sonoma Petaluma, Field opposite Laguna Elementary School on Chileno Valley Road near Petaluma-Marshall Road Comment
  UCSC005675  Trifolium stenophyllum Randall Morgan 1995-5-18 2610 Sonoma 6+ miles up Coleman Valley Road from Occidental Comment
  SEINET10577425  Trifolium tridentatum var. tridentatum Michener MICHENER s.n. Sonoma Kenwood Comment
  UCD109496  Trifolium variegatum var. major Terri Williamson 1990-5-20 59 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  JEPS4354  Trifolium willdenovii W. L. Jepson 1912-4-17 4770 Sonoma Sonoma Valley Comment
  UC165494  Trifolium willdenovii Milo S. Baker 1898-4-26 693 Sonoma Santa Rosa Creek Canyon Comment
  UC16810  Trifolium wormskioldii J. Burtt Davy 1896-7-23 Sonoma May's Canyon Guerneville Comment
  RSA94345  Trifolium wormskioldii Peter Rubtzoff 1951-7-8 400 Sonoma Pitkin Marsh, near Forestville: Lower part of Upper Marsh Comment
  CAS-BOT-BC451943  Triglochin maritima Lewis S. Rose 1964-6-3 64055 Sonoma N. end of Bodega Bay. [Actually the loc. is at north end of Bodega Harbor, not Bodega Bay -- Rubtzoff '91.] 1 Comment
  CAS-BOT-BC451983  Triglochin striata Peter Rubtzoff; Vanette Bunyan 1973-8-25 7258 Sonoma Lower Salmon Creek Marsh. Slough just east of Hwy. 1. Comment
  CAS-BOT-BC368077  Trillium albidum Greg de Nevers 1998-4-27 11203 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  UC1084348  Trillium albidum G. Thomas Robbins 1937-3-25 2 Sonoma Sonoma Creek Bennett Valley, Sonoma Creek Comment
  CAS-BOT-BC520846  Trillium albidum Mrs. F. B. Trosper 1922-3-29 s.n. Sonoma Sonoma Comment
  RSA178023  Trillium ovatum Robert F. Thorne 1965-4-19 34314 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  SEINET12050391  Trillium ovatum F. H. Utech 1988-1 88 -008 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  CAS-BOT-BC521306  Trillium rivale A. A. Heller; H. E. Brown 1902-3-22 5127 Sonoma West of Sebastopol Comment
  JEPS77866  Triphysaria eriantha subsp. eriantha Robert M. Lloyd 1965-5-8 3629 Sonoma on highway 12, 3 mi n of junction with Aqua Caliente Road across from Lawrence Triangle End Garage Comment
  UC1176939  Triphysaria eriantha subsp. eriantha Peter H. Raven 1950-4-6 1599 Sonoma Rincon Ridge 152 Comment
  CHSC32884  Triphysaria versicolor subsp. faucibarbata N. Kvasnik 1980-4-2 2 Sonoma Ca. 15 mi se of Petaluma. Ca. 1.3 mi w of jct of Warm Springs Rd and Sonoma Mountain Rd on s side of road. 225 Comment
  JEPS75301  Triphysaria versicolor subsp. faucibarbata John E. Moeur 1971-4-17 4 Sonoma along Rainville Road 8 mi nw Petaluma Comment
  UC1222442  Triphysaria versicolor subsp. faucibarbata Joseph P. Tracy 1931-3-29 9321 Sonoma Knights Valley; Northern Coast Ranges, Knights Valley 152 Comment
  HSC20865  Triphysaria versicolor subsp. faucibarbata Anonymous 1957-4-13 77 Sonoma 1 mi. N of El Verano Comment
  RSA13530  Triphysaria versicolor subsp. faucibarbata H. E. Parks 1930-5-9 631 Sonoma Knights Valley, Comment
  CAS-BOT-BC200101  Trisetum canescens G. DeNevers 1981-5-20 1231 Sonoma Leslie Creek and Mark West Creek Comment
  CAS-BOT-BC227673  Trisetum canescens Peter Rubtzoff 1958-5-30 3683 Sonoma Duncans Mills Marsh. Comment
  UCD36683  Trisetum canescens Beecher Crampton 1955-6-17 2931 Sonoma Sonoma County, 3.3 miles west of Forestville, along State Highway 12. Comment
  CAS-BOT-BC200111  Trisetum canescens G. DeNevers 1981-5-23 1303 Sonoma On Devils Kitchen Hill Comment
  UC1023609  Trisetum canescens Virginia Bufford 1936-5-20 312 Sonoma about 5 mi above Mark West (Mark West Rd) Comment
  UCD93633  Trisetum canescens R. Tofsrud 1941-4-1 157 Sonoma Rhododendron Park. Comment
  CAS-BOT-BC522357  Triteleia hyacinthina Peter Rubtzoff 1957-5-26 3364 Sonoma Occidental Marsh; Sonoma County Marshes Comment
  CAS-BOT-BC522366  Triteleia hyacinthina Peter Rubtzoff; H. A. Froebe 1971-5-30 6463 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mile west of Arnold Drive Comment
  CAS-BOT-BC522370  Triteleia hyacinthina G. DeNevers 1981-5-9 1038 Sonoma Along the road W of the Red Corral; Pepperwood Ranch Comment
  SEINET12044741  Triteleia hyacinthina Michener, Bioletti 1893-1 s.n. Sonoma Kenwood Comment
  CAS-BOT-BC527032  Triteleia laxa Peter Rubtzoff 1952-6-10 1199 Sonoma Northeast slopes of Fitch Mountain, near Healdsburg Comment
  SBBG14877  Triteleia laxa A. I. Richardson 1961-6-16 19 Sonoma Sweetwater Springs Rd, 1 mi beyond turn to Armstrong Redwood State Park, N of Gurneville Comment
  UC463104  Triteleia laxa Milo S. Baker 1923-5-30 5487 Sonoma Cooper Grove Road Comment
  JEPS74717  Triteleia peduncularis Eleanor Armstrong May, 1932 516 Sonoma near small stream Camp Meeker, Sorrenti Ranch 106 Comment
  CAS-BOT-BC208027  Ulex europaeus Mrs. H. C. Cantelow 1937-3-25 s.n. Sonoma North of Bodega Comment
  CHSC997  Ulex europaeus M. Anthony 1953-3-9 Sonoma Comment
  CAS-BOT-BC208028  Ulex europaeus Walter Knight; Irja Knight 1963-12-28 483 Sonoma Valley Ford-Bodego Bay highway Comment
  UC1010427  Ulmus minor Leo Koch 1939-4-15 547 Sonoma Petaluma North Bay Counties, Petaluma (518 Madison Street) Comment
  CAS-BOT-BC91289  Umbellularia californica R. F. Hoover 1968-2-23 10894 Sonoma Graton-Occidental road. Comment
  UC1126331  Umbellularia californica C. M. Belshaw 1936-3-7 1551 Sonoma 2 mi s of Occidental 121 Comment
  CAS-BOT-BC403980  Urtica dioica subsp. gracilis Peter Rubtzoff 1958-9-1 3965 Sonoma Vacation Beach, near Guerneville. Sandy bank of Russian River Comment
  RSA169297  Urtica dioica subsp. gracilis L. S. Rose 1964-6-3 64056 Sonoma N end of Bodega Bay. 2 Comment
  CAS-BOT-BC404229  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-9-13 5503 Sonoma Clear Lake State Park, along Cole Creek Comment
  RSA471153  Vaccinium parvifolium Christopher Davidson 1977-6-20 6031 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  JEPS62207  Veratrum fimbriatum Milo S. Baker 1920-9-20 Sonoma 2 mi n Stewart's Point Comment
  CAS-BOT-BC311842  Verbascum Peter Rubtzoff; Nancy Harrison 1974-7-13 7678 Sonoma Upper Green Valley Marsh. Comment
  UCD148315  Verbascum virgatum Peter Rubtzoff 1952-6-15 1261 Sonoma Fitch Mountain Grove Resort, near Healdsburg, along Russian River. Comment
  UC104852  Verbena lasiostachys var. lasiostachys Alice Eastwood 1900-5-8 Sonoma Knight's Valley Comment
  CAS-BOT-BC262796  Veronica Peter Rubtzoff; Nancy Harrison 1974-9-7 7868 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  UCR244665  Veronica Peter Rubtzoff 1966-6-5 5757 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC182759  Veronica americana Peter Rubtzoff 1955-7-10 1948 Sonoma Duncans Mills Marsh. Comment
  RSA264766  Veronica anagallis-aquatica Peter Rubtzoff 1956-9-16 2920 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  RSA94347  Vicia angustifolia Peter Rubtzoff 1951-7-28 548 Sonoma Southern half of Lower Marsh Comment
  SEINET12165816  Vicia benghalensis H. K. Wagnon 1988-1 1751 Sonoma Santa Rosa, Spring Lake Park, just S of Montgomery Drive 73 Comment
  UC764641  Vicia gigantea R. F. Hoover 1941-5-14 5098 Sonoma sw of Occidental (near Joy District School) Comment
  UCD108794  Vicia lutea Frederica Bowcutt 1994-6-12 1849 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Rd. Trail head for Pony Gate Trail near kiosk and visitor center. 411 Comment
  UC17022  Vicia sativa W. H. Brewer 1862-4-18 965 Sonoma near Sonoma Comment
  UCR267158  Vinca major Peter Warner 2010-3-1 111 Sonoma State Hwy 1 at 6.77 mile marker, west of junction of Bay Hill Rd., between road and Cheney Gulch Creek 39 Comment
  UC1742245  Viola Milo S. Baker Sonoma Probably gathered in my violet garden (Brookside Garden) Comment
  CAS-BOT-BC270243  Viola adunca Walter Knight; Irja Knight 1964-2-27 536 Sonoma Highway 1, Rocky Point, coastal bluffs Comment
  CAS-BOT-BC536904  Viola glabella Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  UC1761570  Viola glabella Helen Von Grafen 1927-4-2 Sonoma Mill Creek Comment
  UCD151173  Viola lobata James A. Neilson Jr. 1974-4-24 2730 Sonoma Mayacmas Mountains. Socrates Mine Road, near Headquarters. (Elevation estimated using Google Earth by label maker.) 853 Comment
  CAS-BOT-BC536930  Viola lobata G. DeNevers 1982-5-18 2022 Sonoma Pepperwood Ranch, N side of Franz Valley Rd, 1.5 mi past the top of the hill Comment
  UC1763295  Viola lobata Milo S. Baker 1905-4-1 5221 Sonoma Hood Mountain on Macartney road Comment
  UC1762265  Viola ocellata Leo Koch 1939-4-8 497 Sonoma Boxman Ranch near Plantation Comment
  UC762287  Viola ocellata R. F. Hoover 1941-5-14 5075 Sonoma 3 mi s of Monte Rio (on road to Camp Meeker) Comment
  RSA304244  Viola ocellata James R. Shevock 1971-4-8 918 Sonoma Entrance Sugarloaf State Park. 152 Comment
  UC540626  Viola palustris subsp. brevipes Milo S. Baker 1934-4-1 7692 a Sonoma Kenwood Garden Kenwood; Kenwood, Sonoma Co. Comment
  POM179744  Viola pedunculata A. A. Heller, H. E. Brown 1902-4-23 5357 Sonoma Near Sonoma. Comment
  SDSU11390  Viola sempervirens D. F. Howe 1963-7-3 3590 Sonoma 20 miles north of junction with #12 on #1, under redwoods. Comment
  UC455410  Viola sempervirens I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UC1761984  Viola sempervirens Helen Von Grafen 1927-4-27 Sonoma Mill Creek Comment
  CAS-BOT-BC135297  Viscum album William O. McCartney 1966-5-4 s.n. Sonoma in a residential property, NW corner of Mill Station Road and Gravestein North Highway, Sebastopol Comment
  CDA22394  Viscum album G. D. Barbe 1968-1-1 859 Sonoma 7790 Atkinson Road, 1 block east of State Hwy 12, 1.5 miles north of Sebastopol. 0 Comment
  CDA2766  Viscum album G. D. Barbe 1968-1-1 859 Sonoma 7790 Atkinson Road, 1 block east of State Hwy 12, 1.5 miles north of Sebastopol. 0 Comment
  UCR159966  Viscum album subsp. album C. W. Nichols, William McCartney 1966-1-17 s.n. Sonoma Backyard of property at 1220 Gravenstein Hwy N at Mills Station Rd, 1 mi N of Sebastopol 55 Comment
  POM117433  Vitis californica Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UC552472  Vitis californica Professor J. T. Barrett 1936-6-19 Sonoma above Guerneville; Russian River Comment
  SEINET10691484  Vitis californica Henry N. Bolander 1866-1 Bolander s.n. Sonoma River at Cloverdale, Calif. Comment
  CAS-BOT-BC385077  Vitis girdiana L. R. Abrams 1916-7-4 5799 Sonoma Road between Petrified Forest and Mark West Comment
  UCD93553  Vulpia bromoides Paul Klemansky 1934-4-28 s.n. Sonoma near Llano Road, south of Santa Rosa. Comment
  UCD151153  Vulpia myuros James A. Neilson Jr. 1973-6-7 2964 Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 441 Comment