Search Results — 2000 specimen records retrieved (1234 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/consortium/).
 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
  POM180771  Abies grandis J. T. Howell 1930-7-27 5398 Sonoma Canyon 1 mile N of Fort Ross. Comment
  RSA0025740  Abronia latifolia J. R. Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC203226  Abutilon Peter Rubtzoff 1971-6-5 6509 Sonoma Bennett Valley Road, 4.25 mi. west of Glen Ellen Comment
  CAS-BOT-BC436992  Acaena pinnatifida var. californica J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma 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
  UC14111  Acaena pinnatifida var. californica Harley P. Chandler 1900-5-25 665 Sonoma Bodega Comment
  CAS-BOT-BC336945  Acer negundo var. californicum Peter Rubtzoff 1951-9-2 715 Sonoma Pitkin Marsh near Forestville, south of the Upper Marsh Comment
  CAS-BOT-BC82  Achillea borealis subsp. arenicola Amos Arthur Heller 1902-5-27 5608 Sonoma Bodega Bay Comment
  JEPS79727  Achillea millefolium Edward Lee with W. A. Setchell 1936-6-7 2192 Sonoma Bohemian Grove Comment
  UCSB50239  Achillea millefolium Gray, John 1976-5-1 Sonoma Bluff over Salmon Creek State Beach; T6N R11W 18 Comment
  RSA39636  Achillea millefolium P. A. Munz 1947-10-10 12217 Sonoma 2 miles north of Jenner 30 Comment
  CAS-BOT-BC166795  Achyrachaena mollis Peter Rubtzoff 1974-5-26 s.n. Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. 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
  UCR280135  Achyrachaena mollis Peter Rubtzoff, H. A. Froebe 1971-5-30 6478 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Road Comment
  UCD38482  Acmispon Beecher Crampton 1955-6-17 2967 Sonoma Fort Ross. Comment
  UCD104332  Acmispon parviflorus R. Tofsrud 1948-5-1 s.n. Sonoma Santa Rosa. Comment
  UCD104496  Acmispon wrangelianus P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC30278  Adenocaulon bicolor Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road, 3 miles east of Stewarts Point Comment
  UCD128405  Adenocaulon bicolor Frederica Bowcutt 1994-6-12 1873 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. In Adobe Canyon just south of Adobe Canyon Road. Western trail ahead for Canyon Trail. 274 Comment
  CAS-BOT-BC139919  Adenostoma fasciculatum Bolander 1877-6-17 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC139920  Adenostoma fasciculatum A. A. Heller 1902-6-23 5741 Sonoma Petrified Forest Comment
  CAS-BOT-BC139921  Adenostoma fasciculatum Walter Knight; Irja Knight 1963-8-23 193 Sonoma Joost Ranch, Calistoga Rd. Comment
  UC903198  Adiantum aleuticum Ethel Crum 1930-7-27 823 Sonoma 1 mi n Fort Ross; North Coast Ranges Comment
  JEPS128354  Adiantum capillus-veneris Roger Raiche 2000-5-5 097 .00 Sonoma The Cedars. Venus' Seep in Spicebush Canyon. Lower Russian River, Big Austin Creek watershed. Comment
  UC1201284  Adiantum jordanii E. Samuels 230 Sonoma Comment
  UC1112779  Aegilops triuncialis Paul Furbush 1958-5-29 Sonoma Cloverdale, River Road Cloverdale; , River Road 45 Comment
  SEINET265728  Aesculus californica Royal D. Suttkus 1967-6-25 67- 29 -1 Sonoma 4.4 miles SE of Alexander Valley. Comment
  CAS-BOT-BC210122  Agoseris Peter Rubtzoff 1971-5-30 6479 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC183  Agoseris apargioides var. eastwoodiae Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  SEINET11842955  Agoseris grandiflora F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -173 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 485 Comment
  CAS-BOT-BC15351  Agoseris grandiflora var. grandiflora John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53957 Sonoma Fairfield Osborn preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on west slope of Sonoma Mountain 457 Comment
  UC76011  Agoseris grandiflora var. grandiflora Milo S. Baker 1898-5-7 Sonoma Glen Ellen Comment
  UC891242  Agoseris grandiflora var. grandiflora Alice Eastwood 1921-5-8 10481 Sonoma Petaluma Comment
  CAS-BOT-BC13168  Agoseris hirsuta Alice Eastwood 1915-6-29 4846 Sonoma Bodega Point Comment
  CAS-BOT-BC422324  Agropyron Greg de Nevers 1989-4-1 9064 Sonoma Pepperwood Ranch Natural Preserve. Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC209997  Agrostis Peter Rubtzoff 1965-8-13 5590 Sonoma Goat Rock State Beach area, 1.6-1.8 mi. NW of State Hwy. #1 junction. Comment
  CAS-BOT-BC209998  Agrostis Peter Rubtzoff 1967-8-22 5855 Sonoma SE of Lower Salmon Creek Marsh Comment
  CAS-BOT-BC209999  Agrostis Peter Rubtzoff 1977-9-3 9126 Sonoma Perry Marsh. Comment
  CAS-BOT-BC210007  Agrostis Peter Rubtzoff 1970-9-3 s.n. Sonoma Marsh off Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  UCD151135  Agrostis James A. Neilson Jr. 1973-6-6 2986 Sonoma Mayacmas Mountains. The Geysers. Site A. (Elevation estimated using Google Earth by label maker.) 441 Comment
  UCD103560  Agrostis blasdalei John Thompson 2008-5-8 s.n. Sonoma Off the coast opposite Sea Ranch. On largest rock island opposite Shell Beach. Land owned by BLM. 5 Comment
  UCR118992  Agrostis blasdalei Beecher Crampton 1957-7-11 4340 Sonoma Central Coast, 2.5 miles north of Salmon Creek, Sonoma Coast State Park, along State Highway 1 61 Comment
  UCD51890  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach. Comment
  UCD51895  Agrostis densiflora Beecher Crampton 1957-7-22 4377 Sonoma 1.5 miles south of Stewart's Point. 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-BC126962  Agrostis exarata G. DeNevers 1981-6-20 1590 Sonoma Pepperwood Ranch. Confluence of Mark West Creek and Leslie Creek. Along Leslie Creek bed. Comment
  RSA129591  Agrostis exarata H. S. Yates 1937-5-31 6565 Sonoma 1 1/2 miles N.W. of Petrified Forest, Calistoga quadrangle 335 Comment
  UCD161760  Agrostis exarata James A. Neilson Jr. 1975-7-8 3393 Sonoma Mayacmas Mountains; western portion of Geyser Rock.(Coordinates and elevation estimated by label maker.) 1066 Comment
  UCD52392  Agrostis exarata Collector unknown Date Unknown Sonoma near Lewis School. Comment
  CAS-BOT-BC139556  Agrostis gigantea Peter Rubtzoff 1951-7-21 514 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower Marshes. Comment
  RSA129614  Agrostis hallii H. S. Yates 1936-5-16 5582 Sonoma 1 mile northeast of Graton. 30 Comment
  UCD36694  Agrostis hallii Beecher Crampton 1955-6-17 2958 Sonoma Sonoma County, 6 miles west of Cazadero, on road to Fort Ross. Comment
  UCR152268  Agrostis hallii Beecher Crampton 1959-6-16 5376 Sonoma 1 mi east of Occidental Comment
  SEINET197664  Agrostis microphylla Leo Koch 1940-4-22 837 Sonoma Sulfur Creek Geysers: grassy hills above Comment
  SEINET4341234  Agrostis oregonensis A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma creek, at the foot of Mt. Hood 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-BC138917  Agrostis pallens G. DeNevers 1981-6-15 1519 Sonoma Pepperwood Ranch. Lower Pepperwood entrance. Comment
  CAS-BOT-BC138918  Agrostis pallens G. DeNevers 1981-7-1 1721 Sonoma Pepperwood Ranch. Garrison Canyon. Comment
  CDA28145  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Coast; 5 miles south of Stewart s ( Steward ) Point Comment
  SBBG439  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma 5 mi S of Steward Pt Comment
  SD56669  Agrostis stolonifera Darley F. Howe 1963-7-3 3586 Sonoma 20 miles north of junction with #12 on #1. Comment
  UCD53597  Agrostis stolonifera Herbert L. Mason 1946-7-4 12888 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  CAS-BOT-BC138396  Aira caryophyllea var. capillaris John Thomas Howell 1944-5-14 s.n. Sonoma Chileno Valley, southern Sonoma county. Comment
  CAS-BOT-BC138216  Aira caryophyllea var. caryophyllea John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53959 Sonoma Fairfiled Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  UC903689  Aira elegantissima Milo S. Baker 1947-4-22 11691 Sonoma trail from residence of Gray ranch towards cliffs at summit; Hood Mt. 274 Comment
  CAS-BOT-BC182739  Alisma Peter Rubtzoff 1970-8-5 6297 Sonoma Five miles north of Sears Point Comment
  CAS-BOT-BC166765  Alisma lanceolatum Peter Rubtzoff 1966-7-4 s.n. Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC445340  Alisma lanceolatum Peter Rubtzoff 1954-8-12 1696 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC445341  Alisma lanceolatum Peter Rubtzoff 1962-7-4 4967 Sonoma Fitch Mtn. Grove, 2 mi. east of Healdsburg. Comment
  UCD137916  Alisma lanceolatum Peter Rubtzoff 1954-7-17 1550 Sonoma Austin Creek. Comment
  CAS-BOT-BC445463  Alisma triviale Peter Rubtzoff 1956-9-15 2903 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC445470  Alisma triviale Peter Rubtzoff 1954-6-20 1510 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC445471  Alisma triviale Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC445464  Alisma triviale Peter Rubtzoff 1961-7-22 4667 Sonoma Bennett Mtn. Lake. Comment
  UCR256119  Allium Greg de Nevers 1993-5-17 10450 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 220 Comment
  CAS-BOT-BC466698  Allium cepa Peter Rubtzoff 1963-8-17 5226 Sonoma Near Petaluma River, just east of Petaluma Comment
  JEPS88972  Allium dichlamydeum H. P. Chandler 1920-5-25 718 Sonoma Bodega Bay Comment
  CAS-BOT-BC469103  Allium dichlamydeum David D. Keck; J. Clausen 1935-6-15 3366 Sonoma 1 mile north of Salmon Creek Comment
  CAS-BOT-BC469104  Allium dichlamydeum David D. Keck; J. Clausen 1935-6-15 3366 Sonoma 1 mile north mouth of Salmon Creek Comment
  CAS-BOT-BC475434  Allium sativum Mary P. Wells 1985-7-1 523 Sonoma Dike of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC474308  Allium unifolium Milo S. Baker 1927-5-6 21156 Sonoma Bennet Val near Highway Comment
  SEINET197632  Allium unifolium G. Thomas Robbins 1951-4-24 3387 Sonoma Bennett Valley, about 3 miles southeast of Santa Rosa. Comment
  UCD141805  Allium unifolium T. C. Fuller 1967-5-19 15884 Sonoma between ditchbank and fence, south side of Petaluma Valley Ford Hwy, 2 miles NW of Two Rock. Comment
  SEINET11998402  Allotropa virgata Unknown 1986-1 60135 Sonoma W of Healdsburg, Palmer Creek drainage (tributary of Mill Creek) 366 Comment
  UCR244612  Alnus rubra Peter Rubtzoff 1973-10-10 7338 Sonoma Salmon Creek, 0.25 mi south of Freestone 64 Comment
  UC579598 Image available Alopecurus aequalis var. sonomensis H. S. Yates 1937-5-30 6555 Sonoma 1 1/2 mi. e. Occidental; Sebastopol Quad. 91 Comment
  CAS-BOT-BC258029  Amaranthus Peter Rubtzoff 1973-8-29 7284 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  OBI35909  Ambrosia chamissonis David J. Keil 1983-6-29 17190 Sonoma Doran Beach County Park, Bodega Head Comment
  SEINET5710304  Ambrosia chamissonis Michael Fleschner 1965-1 s.n. Sonoma University of California Marine Biology Laboratory, Bodega Bay.; Bodega Bay Comment
  POM180627  Amelanchier pallida J. T. Howell 1930-6-8 5287 Sonoma 8.5 miles N of Bodega Bay 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-BC135669  Amelanchier utahensis D. E. Breedlove 1980-6-27 44779 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC154122  Ammannia coccinea Peter Rubtzoff 1958-9-27 4005 Sonoma Laguna de Santa Rosa, northwest of Graton (0.5 mi. N of Guerneville Road.) Comment
  JEPS13275  Ammi majus Rimo Bacigalupi with G. T. Robbins 1955-7-14 5294 Sonoma 5.3 mi. s. (El Verano junction is 1 mi. w. of Schellville) El Verano junction (along CA State Hwy. 37) 3 Comment
  POM194542  Amorpha californica var. napensis Anonymous 1929-6-2 s.n. Sonoma Near Mark [?] West Springs Comment
  UCD104617  Amorpha californica var. napensis J. M. Tucker 1977-6-16 4397 Sonoma On upper Barnes Creek, in southern part of Shurtleff Ranch off Chalk Hill Road to the east, ca. 4 miles (airline) northeast of East Windsor (or ca. 10 miles, airline, north-northwest of Santa Rosa). 152 Comment
  CAS-BOT-BC222285  Amsinckia Alice Eastwood; John Thomas Howell 1934-4-10 1299 Sonoma Cloverdale Grade Comment
  RSA177955  Amsinckia intermedia R. F. Thorne 1965-4-20 34329 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UC727130  Amsinckia intermedia A. A. Heller 1940-4-22 15547 Sonoma Anderson Valley Comment
  UC1084539  Amsinckia spectabilis Peter Kamb Ray 1952-5-30 2298 n Sonoma Hill 108 between Horseshoe Cove and Mussel Point (n end Bodega Bay); Bodega Head 30 Comment
  UC725783  Amsinckia spectabilis A. A. Heller 1940-5-17 15629 Sonoma n of Bodega Bay Comment
  UCD117551  Anagallis arvensis Rene Westbrook 1976-4-15 16 Sonoma California: Bodega Head. Comment
  UCD15058  Anagallis arvensis James Aronson 1977-4-15 19 Sonoma California, Sonoma Co.; 10.4 miles west of intersection with Dutcher Creek Road along Skaggs Springs Road; Comment
  CAS-BOT-BC137785  Andropogon virginicus var. virginicus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC137787  Andropogon virginicus var. virginicus John Thomas Howell; J. W. Stacy 1936-7-26 12671 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  CAS-BOT-BC137788  Andropogon virginicus var. virginicus J. Bufford 1936-9-8 s.n. Sonoma Pitkin Marsh, Vine Hill District. 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
  CAS-BOT-BC391872  Anemone grayi Mrs. H. C. Cantelow 1939-4-12 s.n. Sonoma On the road to Cazadero via Plantation Comment
  HSC71481  Angelica californica J. M. DiTomaso 1980-6-13 1596 Sonoma 4900 Trinity Rd., between Glen Ellen and Oakville Comment
  JEPS16077  Angelica hendersonii W. L. Jepson 1931-7-19 15940 Sonoma Salmon Creek 12 Comment
  CAS-BOT-BC221432  Angelica hendersonii Alice Griffin 1925-7-1 s.n. Sonoma Stewarts Pt. Comment
  CDA38224  Angelica hendersonii T. C. Fuller 1957-9-24 397 -57 Sonoma Jenner. 0 Comment
  UC1299243  Angelica tomentosa Freed W. Hoffman September 1947 1388 Sonoma near Guerneville (North Coast Ranges, Quicksilver Mines); North Coast Ranges, Quicksilver Mines Comment
  SD41487  Angelica tomentosa var. hendersonii Edith A. Purer 1932-7-21 4046 Sonoma Bodega Bay Comment
  CAS-BOT-BC271442  Anisocarpus madioides F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -164 Sonoma The Geysers, ca 14.0 mi ESE of Preston and US Hwy 101 on Geysers Road 330 Comment
  CAS-BOT-BC102232  Anthemis cotula A. A. Heller 1902-6-10 s.n. Sonoma Santa Rosa Comment
  RSA796686  Anthemis cotula Peter Rubtzoff 1954-7-27 1566 Sonoma Guernerville Marsh. Comment
  JEPS71147  Anthoxanthum aristatum Eleanor Armstrong 1932-6-9 191 Sonoma near Camp Meeker 121 Comment
  UCD56145  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma along Highway 101, north of Windsor. Comment
  CAS-BOT-BC280660  Anthoxanthum occidentale Catherine Best 1985-2-10 1064 Sonoma About .5 miles north of Occidental on the road parallel to the Bohemian Hwy. Comment
  SD56677  Anthoxanthum odoratum Darley F. Howe 1963-7-3 3594 Sonoma 20 miles north of junction with Highway 12 on Highway 1. Comment
Read comments Feb 6 2010
  RSA496671  Antirrhinum cornutum L. F. LaPre 1986-6-5 s.n. Sonoma Dorr Place, 4 miles up a private road from Manning's Flats in Austin Creek State Recreation Area, 6 mi. N. of Cazadero on upper Austin Creek. Comment
  UC1239001  Antirrhinum vexillocalyculatum subsp. breweri Freed W. Hoffman 1948-6-16 2699 Sonoma Red Slide North Coast Ranges, East Austin Creek (upper East Austin Creek) Comment
  UCSB31778  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Townsend, J. 1977-5-30 Sonoma East side Old Cazadero Rd; 7 miles north-west of Guerneville 472 Comment
  POM14615  Antirrhinum virga Mcluner, Bioletti 1893-06 s.n. Sonoma Hood's Peak Comment
  CAS-BOT-BC457592  Aphanes occidentalis John H. Thomas 1966-3-22 11537 Sonoma Near the intersection of Occidental Road and Facedini Lane between Occidental and Graton, 1 mile east of Occidental. Serpentine. Comment
  POM133220  Apiastrum angustifolium C. F. Baker 1892-1 s.n. Sonoma [Unspecified] Comment
  UC874548  Apiastrum angustifolium Milo S. Baker 1940-5-29 9661 Sonoma 1/2 mi s of Santa Rosa-Calistoga Highway (w of Calistoga) Comment
  SJSU8313  Arabis blepharophylla D. N. Glover 1974-2-24 Sonoma 1 mi E of junction of Valley Ford & Freestone Rds, 2 mi W of Bodega 76 Comment
  RSA0125531  Arabis blepharophylla A. A. Heller, H. E. Brown 1902-3-29 5178 Sonoma Bodega Bay. Comment
  CAS-BOT-BC128617  Arbutus menziesii Saichi Kawahara 1968-4-20 325 Sonoma Trinity Road, 1 mile northeast of Highway 12 152 Comment
  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
  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
  RSA629219  Arctostaphylos Jon E. Keeley 1993-9-11 24784 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388328  Arctostaphylos Freed W. Hoffman 1947-4-3 667 Sonoma near Healdsburg (headwaters of creek); North Coast Ranges, Wild Hog Ridge, Mill Creek Comment
  UC535017  Arctostaphylos H. F. Copeland 1933-3-18 A 14 Sonoma on College Ave. Hwy w Santa Rosa; Vine Hill region Comment
  CAS-BOT-BC25319  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10958 Sonoma Serpentine ridge, 2 miles E of Occidental Comment
  CAS-BOT-BC25323  Arctostaphylos bakeri R. F. Hoover 1968-2-23 10893 Sonoma Graton-Occidental road. Comment
  CDA11253  Arctostaphylos bakeri G. F. Hrusa, G. L. Stebbins, D. Keil, V. L. Holland 1994-6-5 11876 Sonoma North Coast Biodiversity Arena; Approx. 1 m. N of Camp Meeker on Bohemian Hwy. 0 Comment
  CHSC67658  Arctostaphylos bakeri James D. Jokerst; Virginia Getz 1988-3-16 3049 Sonoma Healdsburg near water reservoir across highway from Simi Winery. Comment
  UC909882  Arctostaphylos bakeri J. E. Adams 1935-3-1 1028 Sonoma 2 mi w Occidental Comment
  CDA38594  Arctostaphylos bakeri Jim Jokerst 1989-4-13 3094 Sonoma S side of Graton Rd. 1.2 mi E of junction with Fuscondini Rd., 2 mi E of Occidental, W of Santa Rosa. Comment
  SEINET12524557 Image available Arctostaphylos bakeri C. M. Belshaw 1936-1 1557 Sonoma 2 miles north-northeast of Occidental, Sebastopol quadrangle Sec._ T. 7N.,R. low. 189 Comment
  POM259285  Arctostaphylos bakeri subsp. bakeri Alice Eastwood, John Thomas Howell 1939-4-2 7376 Sonoma Near Camp Meeker on road to Monte Rio. Comment
  RSA240619  Arctostaphylos bakeri subsp. bakeri C. W. Tilforth, John Dourley 1973-7-18 909 Sonoma Graton Rd. 1 mi E 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
  SEINET11998352  Arctostaphylos bakeri subsp. sublaevis Unknown 1987-1 70795 Sonoma N of Cazadero, The Cedars, near confluence of N & E branches of headwaters of Red Slide Creek 421 Comment
  JEPS38622  Arctostaphylos canescens Willis L. Jepson 1894-7-19 14699 Sonoma Mt. St. Helena Napa River Basin Comment
  RSA622717  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24762 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  SEINET11987352  Arctostaphylos canescens W. Knight, Knight, I. 1981-1 3975 Sonoma 4.1 mi up Cavedale Road from jct of CA 12 Comment
  RSA164628  Arctostaphylos canescens subsp. canescens P. C. Everett 1963-11-21 11806 Sonoma Rincon Ridge, Robt. Sones' residence, ca. 3 mi. ne. of Santa Rosa. 145 Comment
  UC1388358  Arctostaphylos canescens subsp. canescens Freed W. Hoffman 1947-3-12 753 Sonoma Trinity road ne Kenwood (w slope of range); North Coast Ranges, Napa Range Comment
  HSC7612  Arctostaphylos canescens subsp. canescens Freed W. Hoffman 1948-5-10 2677 Sonoma E face Cobb Mtn. 1220 Comment
  RSA18973  Arctostaphylos canescens subsp. sonomensis J. T. Howell 1937-4-11 12894 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  CAS-BOT-BC23648  Arctostaphylos columbiana Mary P. Wells 1985-10-4 668 Sonoma 1 mile south of Gualala River. Comment
  CAS-BOT-BC24992  Arctostaphylos densiflora Milo S. Baker 1929-6-1 3572 Sonoma Near Vine Hill Schoolhouse. Comment
  UC535026  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma near Vine Hill School House (some hundreds of yds e from type locality) Comment
  UC549450  Arctostaphylos densiflora J. E. Adams 1934-3-28 723 Sonoma Vine Hill School Sta. Rosa Comment
  UCD50803  Arctostaphylos densiflora Chas. Lamoureux; Lalit Srivastava and Roman Gankin 1947-11-1 248 Sonoma On Vine Hill School Road, 0.1 mile east of juncture with Vine Hill Road. Comment
  CDA38592  Arctostaphylos densiflora T. C. Fuller 1958-5-24 3997 Sonoma Vinehill District. 0 Comment
  CAS-BOT-BC23281  Arctostaphylos glandulosa subsp. cushingiana Walter Knight; Irja Knight 1963-9-1 261 Sonoma Pine Mt. Rd., NE Cloverdale, Harold Smith Ranch. Comment
  CAS-BOT-BC23286  Arctostaphylos glandulosa subsp. cushingiana Walter Knight; Irja Knight 1986-3-23 5367 Sonoma On Geysers Road near Mercuryville at junction of private road to Sulphur Peak. 822 Comment
  CAS-BOT-BC24720  Arctostaphylos glandulosa subsp. glandulosa J. Clausen 1933-3-25 726 Sonoma About 4 mi. e. of Warfield along the road to Oakville. 213 Comment
  CAS-BOT-BC24725  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-3-14 5763 Sonoma Raven Ridge near Santa Rosa. Comment
  JEPS57128  Arctostaphylos glandulosa subsp. glandulosa L. R. Heckard 1967-5-7 1592 Sonoma near summit (w of) peak Hood Peak (nw of Kenwood) 822 Comment
  JEPS79450  Arctostaphylos glandulosa subsp. glandulosa Edward Lee with W. A. Setchell 1936-6-7 2198 Sonoma s ridge Bohemian Grove (fire trail) Comment
  UC535029  Arctostaphylos glandulosa subsp. glandulosa H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Rd about 8 mi e Santa Rosa Comment
  CAS-BOT-BC39113  Arctostaphylos hispidula Roger Raiche 1984-2-3 40016 Sonoma Rockpile Road, 9/1 miles north from its intersection and beginning at Skaggs Spring-Stewarts Point Road. 502 Comment
  SEINET11993006  Arctostaphylos hispidula Unknown 1984-1 RR 40044 Sonoma on Rockpile Road ca 9.1 mi N of origin of Skaggs Springs-Stewarts Point Road 503 Comment
  CAS-BOT-BC38988  Arctostaphylos manzanita Roger Raiche 1983-7-3 30476 Sonoma East Austin Creek State Rec. Area, near Redwood Lake, at edge of forest on north-facing slope. 365 Comment
  CDA11917  Arctostaphylos manzanita G. F. Hrusa, G. L. Stebbins 1994-4-8 11734 Sonoma North Coast Biodiversity Arena; Cavedale edaphic island, Cavedale Rd. approx. 2.7 m E of Hwy 12. Comment
  CDA12042  Arctostaphylos manzanita G. F. Hrusa 1990-1-2 7347 Sonoma North Coast Biodiversity Arena; Hogback Mtn., approx. 4 km. NE of Sonoma. Comment
  RSA633060  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24711 Sonoma Along Calistoga Road, 19 km southwest of Highway 128. 220 Comment
  RSA633063  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24714 Sonoma Along Calistoga Road, 8.5 km southwest of Highway 128. 360 Comment
  SEINET12872793  Arctostaphylos manzanita Unknown 2007-11-30 s.n. Sonoma Sonoma County Comment
  UCD151132  Arctostaphylos manzanita James A. Neilson Jr. 1973-6-6 2950 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
  UCD162167  Arctostaphylos manzanita D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1520 Sonoma Hooker Creek watershed. 520 Comment
  SEINET11987236  Arctostaphylos manzanita J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4157 Sonoma Strybing Arboretum, San Francisco, Golden Gate Park, orig. from Hood's Peak Comment
  SEINET11990958  Arctostaphylos manzanita Unknown 1983-1 30499 A Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11990960  Arctostaphylos manzanita Unknown 1983-1 30499 B Sonoma near entrance to public landfill site, rd to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11996224  Arctostaphylos manzanita J. T. Vale, Wagnon, K. 1989-1 s.n. Sonoma Cavedale Road 305 Comment
  CAS-BOT-BC38901  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7942 Sonoma Mt. St. Helena Comment
  UC517513  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11301 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38687  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5762 Sonoma Rincon Ridge near Santa Rosa Comment
  CAS-BOT-BC38698  Arctostaphylos manzanita subsp. manzanita Frank W. Gould 1940-2-18 867 Sonoma Pitkin ranch, 10 miles west of Santa Rosa 45 Comment
  CAS-BOT-BC38704  Arctostaphylos manzanita subsp. manzanita A. A. Heller; H. E. Brown 1902-3-20 5107 Sonoma Near Windsor Comment
  RSA3947  Arctostaphylos manzanita subsp. manzanita I. L. Wiggins 1932-3-12 5762 Sonoma Between Franz Valley and Knight's Valley. Comment
  SBBG28917  Arctostaphylos manzanita subsp. manzanita J. Clausen 1933-3-26 750 Sonoma Baker Ranch, Kenwood, Adobe Cyn Comment
  UC1121477  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1938-10-29 833 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC1281098  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1936-4-5 4410 Sonoma along road just w Vine Hill School House Comment
  UC909843  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-28 729 Sonoma rd. to Cazadero Seaview Comment
  UC909869  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-28 727 Sonoma 4 or 5 mi from Seaview (Cazadero Rd) Comment
  CAS-BOT-BC38678  Arctostaphylos manzanita subsp. manzanita Jacob Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4157 Sonoma From Strybing Arboretum, San Francisco, #78-161. Originally from Hood's Peak in Sonoma County. 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
  RSA636809  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24746 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC549545  Arctostaphylos stanfordiana J. E. Adams 1934-3-10 639 Sonoma Mt. St. Helena 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
  SFV8789  Arctostaphylos stanfordiana S. E. Wheaton 1966-3-27 28 Sonoma On low ridge overlooking Hooker Canyon near Cavedale Road. Comment
  SD125798  Arctostaphylos stanfordiana subsp. bakeri Lewis S. Rose 1970-2-27 70008 Sonoma Type locality, 2 mi. E of Occidental 185 Comment
  JEPS95231  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  OBI53652  Arctostaphylos stanfordiana subsp. decumbens Jack and Betty Guggolz, Betty Guggolz 1986-2-9 842 Sonoma Taken just outside the conservation easement at the end of Bluesage Court, Southridge development Comment
  SBBG34139  Arctostaphylos stanfordiana subsp. stanfordiana R. Gankin 1966-3-3 691 Sonoma S of Hooker Cyn at a point directly opposite Cyn from Cavedale Rd, 3.1 mi E of jct with St Hwy 12 Comment
  RSA364258  Arctostaphylos stanfordiana subsp. stanfordiana Roger Raiche 1983-9-25 RR- 30733 Sonoma Clipper Mill Bridge, Stewarts Point Road (2.6 miles east on that road from Highway 1). Comment
  UC1193019  Arctostaphylos viscida subsp. pulchella R. H. Neuns 1950-5-23 116 Sonoma 2 mi ne The Geysers; Quad 60B4 1066 Comment
  CAS-BOT-BC47464  Arctostaphylos viscida subsp. viscida Irja Knight; Walter Knight; Tiffany Knight; Dr. Steve Edwards 1985-7-21 5210 Sonoma Red Hill on Pine Flat Road 653 Comment
  UC1388344  Arctostaphylos viscida subsp. viscida Freed W. Hoffman 1949-6-4 3217 Sonoma summit of ridge between Pine Flat and Big Sulphur Creek; North Coast Ranges 914 Comment
  UCR44931  Arenaria douglasii 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-BC400483  Aristolochia californica A. A. Heller; H. E. Brown 1902-3-12 5042 Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  CAS-BOT-BC400484  Aristolochia californica F. Almeda; G. DeNevers 1981-3-30 4875 Sonoma Pepperwood Ranch. Along road to the Garrison Cabin at the SW sector of the ranch Comment
  UCSB19199  Armeria maritima subsp. californica Jensen, Karen 1965-4-16 Sonoma State Highway 1; 3 km. N of Salmon Creek Bridge; N of Bodega 18 Comment
  CAS-BOT-BC82566  Arnica discoidea Alice Eastwood; John Thomas Howell 1939-6-11 7410 Sonoma Near [Triniti] Trinity P.O., Hood Mt. Range Comment
  UCD164250  Arrhenatherum elatius Peter Rubtzoff 1979-8-5 9302 Sonoma Freestone Marsh area; along Bohemian Highway at Freestone Flat Road junction, southeast of Freestone marsh. 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
  CAS-BOT-BC176376  Artemisia douglasiana Peter Rubtzoff 1958-8-17 3892 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  UCD129280  Artemisia douglasiana Mary M. Hektner 1974-7-24 162 Sonoma roadside at junction of Vantage Road and Breaker Reach; Unit 21 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC90864  Artemisia pycnocephala John H. Thomas 1969-9-21 15473 Sonoma near mouth of Russian River Comment
  CAS-BOT-BC97234  Artemisia suksdorfii J. Clausen 1939-7-20 1715 (Tr. 1330) Sonoma along road just north of Jenner, towards Fort Ross Comment
  RSA0057977  Arum italicum Greg de Nevers 1998-5-20 11254 Sonoma Mark West Creek on Cresta Ranch. Comment
  RSA264768  Asclepias fascicularis Peter Rubtzoff 1975-8-15 8322 Sonoma Laguna, Chileno Valley. Comment
  SEINET10637049  Asclepias fascicularis A. Arthur Heller 1902-6-4 Heller 5643 Sonoma Santa Rosa Comment
  JEPS128388  Aspidotis densa Roger Raiche 2000-4-23 045 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC157676  Asteraceae Peter Rubtzoff 1969-5-11 6044 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC344836  Asteraceae Peter Rubtzoff 1966-8-3 5779 Sonoma Going up Bennett Mountain from Lawndale to Bennett Mountain Lake. 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
  UC13335  Astragalus breweri W. H. Brewer 1862-4-18 979 Sonoma Sonoma Valley Comment
  UCD97269  Atriplex californica P. G. Connors 1991-6-19 166 Sonoma Bodega Head and Dunes. Comment
  UC604106  Atriplex leucophylla Milo S. Baker 1938-6-6 9016 Sonoma beach Salmon Creek Comment
  UCR248508  Atriplex prostrata Peter Rubtzoff 1958-9-20 3990 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road) 20 Comment
  UCD37532  Avena Beecher Crampton 1955-3-15 2326 Sonoma Sonoma County, town of Asti. Comment
  CAS-BOT-BC146136  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa Creek. Comment
  LA11004  Avena barbata Nesta Dunn; 1932-5-15 sn Sonoma Santa Rosa Comment
Read comments Dec 29 2014
  UCD144426  Avena barbata Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1789 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. Campground S of Sonoma Creek approx. 125 yds. 1/4 mile NW of confluence with Rattlesnake Creek. 350 Comment
  JEPS128387  Avena fatua Roger Raiche 2000-4-23 046 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET10514072  Avena fatua A. Arthur Heller 1902-4-9 Heller 5251 Sonoma In a railroad cut 3 miles south of Healdsburg. Comment
  CAS-BOT-BC68343  Azolla filiculoides Peter Rubtzoff 1955-4-30 1812 Sonoma Forestville Marsh Comment
  CAS-BOT-BC68338  Azolla filiculoides Peter Rubtzoff 1963-6-22 5189 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC154153  Baccharis douglasii Peter Rubtzoff 1974-8-4 7797 Sonoma Upper Green Valley Marsh Comment
  UC727746  Baccharis glutinosa Milo S. Baker 1946-7-28 11539 Sonoma Sear's Point Highway Comment
  POM213043  Baccharis pilularis C. B. Wolf 1934-10-13 6182 Sonoma 2 2/5 miles north of mouth of Russian River. 61 Comment
  POM37533  Baccharis pilularis Marcus E. Jones 1902-7-18 s.n. Sonoma Duncans Mills Comment
  SD39655  Baccharis pilularis Edith A. Purer 1932-7-27 Sonoma Sand dunes 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-BC145835  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennet Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC145837  Beckmannia syzigachne Peter Rubtzoff 1958-7-5 3740 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC145838  Beckmannia syzigachne Peter Rubtzoff 1961-6-25 4656 Sonoma Laguna de Santa Rosa near Trenton. Comment
  POM210240  Beckmannia syzigachne H. P. Bracelin 1930-7-27 20 Sonoma One mile N. of Fort Ross. Comment
  UC1745654  Beckmannia syzigachne Annetta M. Carter 1934-4-29 508 Sonoma 1 mi. W of Two Rock Junction on rd. to Tomales. Comment
  RSA129086  Beckmannia syzigachne H. S. Yates 1937-5-6 6576 Sonoma Near Wildwood; Santa Rosa 122 Comment
  SEINET10514173  Beckmannia syzigachne A. Arthur Heller 1902-6-7 Heller 5650 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  SEINET7596631 Image available Beckmannia syzigachne Mrs. H. P. Bracelin 1930-1 20 Sonoma 1 mi. N of Fort Ross Comment
  UCD56805  Beckmannia syzigachne Lloyd M. Harwood 1972-5-25 s.n. Sonoma Near Petaluma. Comment
  SEINET5223259  Bellis perennis Unknown 1994-4-3 79 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  CAS-BOT-BC106391  Bellis perennis Walter Knight; Irja Knight 1964-2-27 566 Sonoma Ca. 1 mi. N. Stewarts Point on coastal bluffs in grassland Comment
  OBI35842  Bellis perennis David J. Keil 1983-6-29 17206 Sonoma Ca 10 mi SE of Ft Ross along Hwy 1 Comment
  CAS-BOT-BC75659  Berberis nervosa Walter Knight; Irja Knight 1963-11-22 426 Sonoma Ida Clayton Road not far from Lake county line. Comment
  UCR248951  Bidens laevis Peter Rubtzoff 1967-9-16 5882 Sonoma Pitkin Marsh, near Forestville. Southern part of Upper Marsh 38 Comment
  CAS-BOT-BC290575  Bidens laevis Peter Rubtzoff 1962-11-8 5129 Sonoma Pitkin Marsh, near Forestville. Comment
  JEPS83487  Blennosperma bakeri Jack and Betty Guggolz 1986-3-18 858 Sonoma just n Piner School Comment
  OBI16930  Blennosperma bakeri M. S. Baker 1946-1 Sonoma Comment
  CAS-BOT-BC27855  Blennosperma bakeri Milo Samuel Baker 1946-4-2 11307 Sonoma Hog Wallow, in field on E side of street, 0.25 mile S of Napa Street, western outskirts of Sonoma Comment
  POM54940  Blennosperma nanum A. A. Heller, H. E. Brown 1902-3-14 5064 Sonoma Near Windsor Comment
  CAS-BOT-BC105959  Blennosperma nanum var. nanum J. Clausen 1933-3-25 729 Sonoma Between Warfield and Kenwood, along the highway. Comment
  UC518979  Blennosperma nanum var. nanum J. Clausen 1933-3-25 729 Sonoma between Warfield and Kenwood, along highway Warfield Comment
  CAS-BOT-BC154962  Boisduvalia Peter Rubtzoff 1970-5-30 6247 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC478466  Boisduvalia Peter Rubtzoff 1983-8-28 9674 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  CAS-BOT-BC154875  Boisduvalia densiflora Peter Rubtzoff 1969-7-25 6121 Sonoma 6.5 miles NE of Penngrove on Lichan Road 426 Comment
  RSA790716  Boisduvalia densiflora Peter Rubtzoff 1961-7-22 4660 Sonoma Bennett Mountain Lake. Comment
  SEINET12188875  Boisduvalia densiflora L. S. Rose 1938-1 38252 Sonoma Bloomfield 30 Comment
  CAS-BOT-BC28225  Bolboschoenus fluviatilis Peter Rubtzoff 1958-5-31 3684 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road. Comment
  UC56353  Bolboschoenus maritimus J. Burtt Davy 1897-9-19 4055 Sonoma Petaluma. Comment
  CAS-BOT-BC329264  Bolboschoenus maritimus Peter Rubtzoff 1961-9-20 4750 Sonoma Bodega Harbor Marsh. Comment
  UCD136850  Botrychium multifidum Mary M. Hektner 1974-7-25 171 Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1, off of Headland's Reach 6 feet south of draw which parallels Headland's Reach and is east of Green Cove Drive. Comment
  UC571416  Brachypodium pinnatum R. C. Morehouse 1937-8-23 Sonoma Sample plot 1 mi w of Bloomfield (George Jones Property) 30 Comment
  CAS-BOT-BC36619  Brassica nigra Dorothy Scherer 1996-4-19 032 Sonoma East of Highway 1 and south of Fort Ross Creek. Fort Rose State Histroric Park. 51 Comment
  HSC6588  Brassica rapa F. Demostene 1966-4-1 9 Sonoma 2 mi. E of Healdsburg 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-BC173643  Brassicaceae Peter Rubtzoff 1970-10-29 6422 Sonoma Marsh in dunes south of U.C. Bodega Marine Laboratory dormitory Comment
  RSA604102  Briza maxima C. Wistrom 1996-5-26 35 Sonoma Healdsburg, 6101 Dry Creek Road 49 Comment
  UCD36535  Briza maxima Beecher Crampton 1954-4-26 1792 Sonoma Sonoma County, 2 miles north Geyserville, along U.S. Highway 101. Comment
  UCD19912  Briza maxima C. H. Lamoureux; J. M. Tucker, J. McCaskill, and S. Armstrong 1957-4-7 1193 Sonoma 1 mile north of junction of Hwy 12 and Calistoga Rd., near Santa Rosa. 15 Comment
  UCD57371  Briza maxima C. H. Lamoureux 1957-4-7 1193 Sonoma 1 mile north of junction of State Highway 12 and Calistoga Road (which leaves Highway 12 3.5 miles east of Santa Rosa). Comment
  CAS-BOT-BC145284  Briza minor Peter Rubtzoff 1959-6-20 4156 Sonoma Willow Creek Marsh. Margin of Willow Creek. Comment
  POM204989  Briza minor Michiner, Bioletti 1893-06 s.n. Sonoma Kenwood Comment
  UC1023569  Briza minor Virginia Bufford 1936-5-1 147 Sonoma w Sebastopol (top of hill); O'Farrell Hill Comment
  CAS-BOT-BC145283  Briza minor David L. Morgan 1956-5-6 s.n. Sonoma On the Petaluma - Valley Ford road near Robler Road. Comment
  SEINET10835832  Briza minor George B. Van Schaack, George F. Freytag 1950-8-15 Van Schaack 3072 Sonoma In soil chinks on vertical seaside rock. 5 m S of Stewart's Point. Comment
  JEPS79162  Brodiaea appendiculata Nancy Harrison 1980-5-16 2125 Sonoma directly s. of vineyard and Piner Elementary School (Piner and Fulton roads are north, west Santa Rosa); west Santa Rosa Comment
  CAS-BOT-BC368059  Brodiaea californica Greg de Nevers 1998-5-20 11256 Sonoma Mark West Creek on Cresta Ranch Comment
  JEPS7640  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-23 7655 Sonoma Poor Man's Flat Windsor, Poor Man's Flat 30 Comment
  CAS-BOT-BC484400  Brodiaea elegans subsp. elegans Peter Rubtzoff 1958-7-5 3731 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC486535  Brodiaea elegans subsp. elegans Peter Rubtzoff 1952-6-10 1226 Sonoma Top of Fitch Mountain, near Healdsburg 304 Comment
  CAS-BOT-BC486537  Brodiaea elegans subsp. elegans D. E. Breedlove 1980-6-28 44804 Sonoma Pepperwood Ranch west of Knights Valley Comment
  CAS-BOT-BC486538  Brodiaea elegans subsp. elegans Marcus E. A M Jones 1882-7-7 s.n. Sonoma St. Lawrence Comment
Read comments Apr 7 2018
  RSA173355  Brodiaea elegans subsp. elegans Walter Knight 1117 Sonoma McDowell Road about 0.5 mile from Casa Grande Road. Comment
  UC1442870  Brodiaea leptandra Theodore F. Niehaus 1966-5-4 679 Sonoma 2.6 mi w Napa/Sonoma Co. line (on Springs Mtn Rd) Comment
  UC963918  Brodiaea leptandra Milo S. Baker 1947-5-30 11771 Sonoma sw slope Hood Mt. (near house trail from Gray Ranch) Comment
  CAS-BOT-BC486526  Brodiaea stellaris Roxana S. Ferris; Laura Lorraine 1961-6-15 13574 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UCD139140  Brodiaea terrestris Mary M. Hektner; Cathy Hendel 1974-6-28 82 -A Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UC353798  Brodiaea terrestris subsp. terrestris Milo S. Baker 1928-4-28 3002 b Sonoma Pitkin Swamp Comment
  SBBG53021  Brodiaea terrestris subsp. terrestris M. R. Benedict 1978-4-18 Sonoma Skaggs Springs Rd, ca. 8 mi W of Geyserville Comment
  CAS-BOT-BC144149  Bromus Rimo Bacigalupi 1926-5-2 1391 Sonoma Cazadero. Comment
  UCD55138  Bromus carinatus Ellen Dean; Tammie Beyerl 2006-4-28 3020 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 179 Comment
  CAS-BOT-BC149089  Bromus carinatus var. carinatus David L. Morgan 1956-4-16 s.n. Sonoma Petaluma. Comment
  CAS-BOT-BC149100  Bromus carinatus var. carinatus Peter Rubtzoff 1952-5-31 1100 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Uppe Marsh from the eastern. Comment
  JEPS128361  Bromus carinatus var. carinatus Roger Raiche 2000-6-2 127 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET249950 Image available Bromus carinatus var. carinatus Beecher Crampton 1955-6-8 2831 Sonoma At Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  UC577602  Bromus carinatus var. carinatus H. S. Yates 1934-6-21 Sonoma near Bodega 60 Comment
  CAS-BOT-BC156277  Bromus catharticus G. DeNevers 1981-5-5 931 Sonoma Pepperwood Ranch. In Pippindale Garden. Alos in west arm of Garrison Canyon. Comment
  CAS-BOT-BC155893  Bromus catharticus var. elatus David L. Morgan 1961-5-14 s.n. Sonoma 1 mile east of Cotati on Cotati Avenue. Comment
  CAS-BOT-BC155894  Bromus catharticus var. elatus John Thomas Howell 1955-4-14 30148 Sonoma Ranch yard, about 2 miles southeast of Sonoma. Comment
  RSA0023113  Bromus commutatus Peter Rubtzoff 1976-6-18 8652 Sonoma Kenwood Marsh. Comment
  UC903718  Bromus diandrus Milo S. Baker 1947-5-5 11730 Sonoma Hood Mountain, near nw corner of M.S. Baker property, (East Grant line) Hood Mountain Comment
  CAS-BOT-BC155209  Bromus hordeaceus A. A. Heller 1902-4-17 5325 Sonoma Santa Rosa. Comment
  UC730043  Bromus hordeaceus Leo F. Koch 1940-4-22 831 Sonoma 2 mi from Jimtown (Alexander Valley Road to Geysers); Alexander Valley Road Comment
  SEINET11690154  Bromus hordeaceus W. Knight, Knight, I.; Howell, J. T. 1987-1 6278 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC162392  Bromus laevipes G. DeNevers 1981-5-15 1159 Sonoma Pepperwood Ranch. North arm of Garrison Canyon. Comment
  UCD36300  Bromus laevipes Beecher Crampton 1953-5-19 1296 Sonoma Sonoma County, 10 miles west of Calistoga, on Highway 128. Comment
  JEPS128348  Bromus madritensis subsp. rubens Roger Raiche 2000-4-8 029 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC766916  Bromus vulgaris R. F. Hoover 1941-5-14 5097 Sonoma sw of Occidental (near Joy District School) Comment
  UCD36681  Bromus vulgaris Beecher Crampton 1955-6-17 2928 Sonoma Sonoma County, 1.6 miles west of Forestville, along State Highway 12. Comment
  UCD60236  Bromus vulgaris P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis. Comment
  CAS-BOT-BC233703  Buddleja davidii Catherine Best 1984-8-18 1042 Sonoma Russian River Highway about .5 miles east of Monte Rio Comment
  CAS-BOT-BC233704  Buddleja davidii Catherine Best 1984-8-18 1042 Sonoma Russian River Highway about .5 miles east of Monte Rio Comment
  RSA792287  Cakile maritima Peter Rubtzoff 1955-8-20 2078 Sonoma Bodega Harbor Marsh. Comment
  UC1301003  Cakile maritima Helen K. Sharsmith 1963-5-25 5499 Sonoma just s of Bodega Harbor; San Francisco Bay Region 1 Comment
  CAS-BOT-BC36910  Cakile maritima var. maritima Roxana S. Ferris 1937-8-18 9370 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  UCR254899  Calamagrostis Peter Rubtzoff 1967-8-22 5856 Sonoma Southeast of lower Salmon Creek Marsh 4 Comment
  RSA0064343  Calamagrostis Peter Rubtzoff 1971-6-10 6537 Sonoma Pitkin Marsh, near Forestville. Comment
  RSA654820  Calamagrostis bolanderi Colette Beaupre 2000-7-6 s.n. Sonoma Near Sea Ranch, CA on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB&M 183 Comment
  UCD37161  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma Sonoma County, Sonoma Coast State Park, 8.7 miles south of Stewart's Point. Comment
  UCD57038  Calamagrostis bolanderi P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCR254900  Calamagrostis crassiglumis Peter Rubtzoff 1966-5-29 5741 Sonoma Pitkin Marsh, near Forestville 38 Comment
  UC1023583  Calamagrostis koelerioides unknown 1936-5-4 208 Sonoma Monte Rio Comment
  UCD57243  Calamagrostis koelerioides Roxana S. Ferris; Laura Lorraine 1961-6-15 13563 Sonoma 1.3 miles from junction with Green Valley Road, Harrison Grade. Comment
  UCD57515  Calamagrostis nutkaensis Chris Bowen 1974-6-2 146 Sonoma near State Highway 1, Sea Ranch, Unit 7 Owners' Map, near Whaler's Reach. 30 Comment
  CAS-BOT-BC185117  Calamagrostis ophitidis R. F. Hoover 1965-6-29 9475 Sonoma North of summit of Harrison Grade road near Occidental. Comment
  CAS-BOT-BC185118  Calamagrostis ophitidis Roxana S. Ferris; Laura Lorraine 1961-6-15 3563 Sonoma Harrison Grade, 1.3 mile from junction with Green Valley Road. Comment
  UC1153822  Calamagrostis ophitidis Beecher Crampton 1957-5-16 4039 Sonoma Hot Springs road 3 mi sw Cloverdale Comment
  RSA0065200  Calamagrostis rubescens Greg de Nevers 1997-6-7 11019 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On the Oak Hill Ranch burned area. 100 Comment
  HSC5219  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma just E of Sonoma Comment
  CAS-BOT-BC273239  Calendula arvensis Milo S. Baker 1946-4-2 11306 Sonoma Along an overflow channel West side of Sonoma Cr. a mile or so south of El Verano Comment
  UCR142045  Calendula officinalis Beecher Crampton 1970-3-12 8545 Sonoma Sonoma, 1st Street West, just south of RR depot 30 Comment
  UCR249037  Callitriche Peter Rubtzoff 1972-6-29 6814 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  UCR249086  Callitriche Peter Rubtzoff 1969-5-16 6050 Sonoma Guerneville Marsh, eastern part of marsh in Pocket Canyon Comment
  JEPS82299  Calochortus amabilis Roger Raiche 1983-6-19 30413 A Sonoma n of Cazadero (the Cedars, above middle fork of Red Slide Creek) 457 Comment
Read comments Oct 17 2013
  SD56795  Calochortus amabilis Darley F. Howe 1963-5-23 Sonoma 3.8 miles north of Cloverdale, on #128. 334 Comment
  UCD112401  Calochortus amabilis Christopher Mallek 2008-5-2 HC1- 8 Sonoma Hooker Canyon. 590 Comment
  UCR90866  Calochortus amabilis Kathy Harper, Dane Karr 1994-6-10 s.n. Sonoma North Coast Range, King Ridge Road along Big Austin Creek, north of Cazadero 122 Comment
  SEINET3884895  Calochortus amabilis James Grimes 1981-4-29 1976 Sonoma Above Highway 128 about 1.2 miles north of U.S. 101, north of Cloverdale.; 0 Comment
  UC1134484  Calochortus luteus H. S. Yates 1937-5-30 6546 Sonoma 4 mi nw Graton; Sebastopol Quad. 91 Comment
  POM169582  Calochortus luteus Michener, F. T. Bioletti 1893-05 s.n. Sonoma Los Guilicos Comment
  SEINET7042394  Calochortus luteus A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  SEINET7042684  Calochortus luteus A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UC423014  Calochortus nudus Milo S. Baker Jul 1897 166 Sonoma Mayfield Road, Anderson's Sheep camp Comment
Read comments Feb 12 2015
  CAS-BOT-BC273277  Calycadenia Roberta Long 1967-5-27 s.n. Sonoma Helen Wren's place in Sonoma Co. [Helen Wren's place is about 3 miles west of Healdsburg on the Mill Creek Road to Skaggs Springs] Comment
  JEPS20239  Calycadenia multiglandulosa R. F. Hoover 1938-6-14 3610 Sonoma 3 mi w of, on road to Occidental Graton 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
  UC615100  Calycadenia pauciflora Beryl O. Schreiber 1934-5-16 1127 Sonoma Healdsburg, Fitch Mountain Road Comment
  CAS-BOT-BC90989  Calycanthus occidentalis Peter Rubtzoff 1959-6-7 4110 Sonoma Bank of Russian River between East Guernewood and Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC90990  Calycanthus occidentalis Peter Rubtzoff 1960-6-10 4492 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC90995  Calycanthus occidentalis A. A. Heller 1902-6-11 5689 Sonoma Santa Rosa Creek, east of Santa Rosa. Comment
  CAS-BOT-BC91006  Calycanthus occidentalis Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC91009  Calycanthus occidentalis James McMurphy 1909-5-29 s.n. Sonoma Near the Geysers. Comment
  JEPS128219  Calycanthus occidentalis Roger Raiche 2000-5-27 111 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA22257  Calycanthus occidentalis Blanche Clear 1938-5-28 s.n. Sonoma Geyserville toward Alexander Valley. Comment
  CHSC27858  Calypso bulbosa Pauline kunst 1977-3-6 12 Sonoma Abundant, ca. 0.2 mi ne of jct of Camp Meeker Occidental Rd. and Sylvania Heights, Camp Meeker. 188 Comment
  RSA710255  Calystegia collina R. K. Brummitt 1998-5-15 19860 Sonoma 17 km NNE of Healdsburg, on Pine Flat Road near Red Hill. 198 Comment
  UCD126065  Calystegia collina Jennifer Bury; Peggy Herzog 1993-5-8 275 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. 396 Comment
  JEPS112770  Calystegia collina subsp. collina Dean W. Taylor 1994-5-4 14208 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  JEPS87230  Calystegia collina subsp. collina Jack and Betty Guggolz 1991-4-10 1107 Sonoma about 3 mi n Oakmont (Santa Rosa, gorwing on n side of Los Alamos Road about a half-mi e of a high-power line crossing); n of Oakmont, Santa Rosa 524 Comment
  JEPS87233  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1992-5-2 1271 Sonoma Found on the north side of White Rock, 1 3/4 miles north of Jimtown 304 Comment
  JEPS86313  Calystegia occidentalis subsp. occidentalis Jack and Betty Guggolz 1988-6-13 946 Sonoma Pine Flat Road 5.85 mi from its junction with Hwy 128; Pine Flat Road Comment
  CAS-BOT-BC224740  Calystegia purpurata subsp. saxicola John H. Thomas 1976-6-16 18259 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC224741  Calystegia purpurata subsp. saxicola John Thomas Howell 1930-6-8 5290 Sonoma 8.5 miles n. of Bodega Bay 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
  UC1794982  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
Read comments Mar 15 2013
  UCD126179  Calystegia purpurata subsp. saxicola Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 152 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC1042507  Camassia quamash Peter Rubtzoff 1951-6-7 117 Sonoma uppermost part of the w branch of the upper Pitkin Marsh Forestville; Pitkin Marsh Comment
  UCR255884  Camassia quamash subsp. quamash Greg de Nevers 1996-4-18 10790 Sonoma North Coast Range, Knights Valley Marsh, on Bavarian Lion Ranch 137 Comment
  SEINET7075564  Camissonia ovata A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley. 38? deg. 24' 31" North Latitude, -122? deg. 37' 52" West Longitude. UTM Zone 10, 532220mE, 4251005mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  JEPS41065  Campanula angustiflora Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9112 Sonoma along road to Franz Valley School road (between 1 and 1.25 mi due w of Sonoma-Napa counties line) 219 Comment
  CAS-BOT-BC266425  Campanula californica Mrs. E. C. Sutcliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  SEINET10463919  Campanula californica Sutcliffe 1920-7-18 SUTCLIFFE s.n. Sonoma ANAPOLIS Comment
  SEINET10905991  Campanula californica Hektner 1974-8-27 HEKTNER 182 A Sonoma SEA RANCH, NR STATE HWY 1, UNIT 24 (OWNER"S MAP) ASSOC. IN WET CALAMAGROSTIS W RUBUS & DESCHAMPSIA 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-BC37196  Capsella bursa-pastoris G. DeNevers 1981-5-2 923 Sonoma Pepperwood Ranch. In Pippindale Garden. Comment
  CAS-BOT-BC37758  Cardamine californica A. A. Heller; H. E. Brown 1902-3-17 5088 Sonoma Hills 8 miles northeast of Santa Rosa. Comment
  UC72915  Cardamine californica Milo S. Baker 1898-4-3 Sonoma roadside between Guerneville and Cazadero; btwn Guerneville and Cazadero Comment
  UCR265125  Cardamine californica Ann Howald 2015-4-1 3321 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 15.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 397 Comment
  RSA790011  Cardamine californica var. californica Peter Rubtzoff 1962-4-18 4797 Sonoma Freestone Marsh. Comment
  JEPS35786  Cardamine oligosperma Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8927 Sonoma just off Arnold Drive at its junction with Fowler Creek Road (Sonoma Valley); Sonoma Valley 35 Comment
  CAS-BOT-BC251241  Cardionema ramosissimum Peter Rubtzoff 1960-5-18 4369 Sonoma Bodega Head Marsh. Comment
  RSA107087  Cardionema ramosissimum L. S. Rose 1956-7-16 56129 Sonoma Bodega Point. 9 Comment
  CAS-BOT-BC384862  Cardionema ramosissimum Mary P. Wells 1985-5-26 493 Sonoma One-eyed Jack's Playground, The Sea Ranch Comment
  SEINET12875772 Image available Cardionema ramosissimum Lewis S. Rose 1956-1 56129 Sonoma Bodega Point sand dunes Comment
  UC796491  Carduus pycnocephalus subsp. pycnocephalus Roxana S. Ferris and Laura Lorraine 1948-6-9 11658 Sonoma about 3/4 of a mi from Mark West Road Franz Valley Road Comment
  CAS-BOT-BC344827  Carex abrupta Peter Rubtzoff 1960-5-20 4394 Sonoma Laguna de Santa Rosa east of Graton, between Occidentalis and Guerneville roads. Comment
  CAS-BOT-BC344828  Carex abrupta Peter Rubtzoff 1962-10-9 s.n. Sonoma Bodega Head Marsh. Comment
  JEPS117069  Carex albida Peter Warner 2008-5-22 92 Sonoma Lower Pitkin Marsh, 1 mi SE of Forestville, on Sonoma Land Trust parcel, S of primary stream channel 44 Comment
  RSA0021493  Carex amplifolia Peter Rubtzoff 1975-7-12 8199 Sonoma Jordan Oark, 1.7 miles northwest of Cobb. Along Kelsey Creek Comment
  CAS-BOT-BC18135  Carex athrostachya John Thomas Howell; J. W. Stacey 1937-6-6 13018 Sonoma Sebastopol. Comment
  CAS-BOT-BC18141  Carex athrostachya Peter Rubtzoff 1958-5-17 3667 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC320534  Carex athrostachya Peter Rubtzoff; Nancy Harrison 1974-7-13 7681 Sonoma Upper Green Valley Marsh. Comment
  UCD112451  Carex athrostachya Peter Rubtzoff 1959-5-30 4055 Sonoma Freestone Marsh. Comment
  UCR208536  Carex athrostachya Peter Rubtzoff 1960-5-20 4395 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  UCD112444  Carex athrostachya Peter Rubtzoff 1958-7-5 3734 Sonoma Atascadero Creek Marsh. Comment
  UCD112448  Carex athrostachya Peter Rubtzoff 1957-5-26 3361 Sonoma Occidental Marsh. Comment
  RSA295078  Carex barbarae Robert A. Norris, John L. Inase, Allen Nakagawa 1981-6-27 4209 Sonoma Trenton Rd., by the Boriolo Ranch, just S of and paralleling River Rd., approx. halfway between Guerneville and Santa Rosa. (Near N part of Laguna de Santa Rosa). 15 Comment
  CAS-BOT-BC19568  Carex bolanderi Roxana S. Ferris; Laura Lorraine 1961-6-14 13539 Sonoma Joy Road grade, 1.8 mile from junction with Bodgea Highway. Comment
  CDA34811  Carex bolanderi Peter Warner 2010-7-8 171 Sonoma Jenner Headlands, along main road across property, ~ 4.1 km W 322 deg. N of Duncans Mills. Comment
  CAS-BOT-BC34026  Carex brevicaulis Robert F. Thorne 1965-4-19 34321 Sonoma Harrison Grade 0.5 mile east of Stoetz Road. 152 Comment
  JEPS120454  Carex californica Daniel Slakey 2013-8-10 60 Sonoma Salt Point State Park, along North Trail, about 100 m north of the intersection with Central Trail. Comment
  RSA0034194  Carex cusickii Peter Rubtzoff 1955-5-14 1839 Sonoma Forestville Marsh. Comment
  UCR248865  Carex cusickii Peter Rubtzoff 1958-5-17 3678 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  CAS-BOT-BC350934  Carex cusickii Peter Rubtzoff 1955-5-14 1839 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC18991  Carex densa James D. Jokerst 1985-4-26 2271 Sonoma Near Caldwell Ranch. Comment
  CAS-BOT-BC20476  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13025 Sonoma Sebastopol. Comment
  CAS-BOT-BC20485  Carex densa Peter Rubtzoff 1952-5-31 1122 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC20499  Carex densa Peter Rubtzoff 1959-4-18 4033 Sonoma Sonoma County Marshes. Laguna de Santa Rosa NE of Graton, ca. 0.5 mi. N of Guerneville Road crossing. Comment
  CAS-BOT-BC242636  Carex densa Peter Rubtzoff 1957-5-11 3329 Sonoma Occidental Marsh Comment
  CHSC55433  Carex densa James Jokerst 1985-4-26 2271 Sonoma Near Caldwell Ranch. Comment
  UC1586927  Carex densa Juha Pykala and D. H. Norris 1987-5-31 1303 Sonoma e Guerneville Road; Pitkin Marsh 35 Comment
  UCD140258  Carex densa Frederica Bowcutt 1994-5-1 1785 Sonoma Sugarloaf Ridge State Park. About 40 air miles north of San Francisco. About 11 air miles east of Santa Rosa. About 1.5 air miles north of Kenwood. About 18 air miles northwest of Napa. In main campground. Ca. 150 yards south of Sonoma Creek; 1/4 mile NW of confluence with Rattlesnake Creek at toe of Sugarloaf Ridge. 350 Comment
  CAS-BOT-BC20479  Carex densa Alice Eastwood; John Thomas Howell 1936-5-19 2526 A Sonoma 2 miles north of Cloverdale. Comment
  CAS-BOT-BC20480  Carex densa Alice Eastwood; John Thomas Howell 1936-5-19 2500 Sonoma North limits of Santa Rosa. Comment
  CAS-BOT-BC20496  Carex densa Peter Rubtzoff 1958-5-10 3636 Sonoma Sonoma County Marshes. Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC20516  Carex densa Peter Rubtzoff 1975-7-3 8148 Sonoma Sonoma County Marshes. Kenwood Marsh. Comment
  CAS-BOT-BC20519  Carex densa G. DeNevers; J. Shumate 1981-7-25 1862 Sonoma Pepperwood Ranch. West of 3 Tree Hill. Comment
  POM248596  Carex dudleyi J. T. Howell 1938-7-3 13948 Sonoma Stony Point. Comment
  RSA758137  Carex dudleyi Peter Rubtzoff 1975-7-3 8148 Sonoma Kenwood Marsh. Comment
  RSA94279  Carex dudleyi Peter Rubtzoff 1951-6-16 245 Sonoma N half of lower Pitkin Marsh, SE of Forestville Comment
  CAS-BOT-BC329293  Carex exsiccata Peter Rubtzoff 1955-6-26 1906 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  CAS-BOT-BC19952  Carex exsiccata John Thomas Howell; J. W. Stacey 1937-6-6 13026 Sonoma Sebastopol. Comment
  CAS-BOT-BC290552  Carex exsiccata Peter Rubtzoff 1958-5-3 3617 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC329294  Carex exsiccata Peter Rubtzoff 1959-4-18 4024 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 0.5 mi. north of Guerneville Road crossing. Comment
  RSA52330  Carex exsiccata J. T. Howell 1946-8-17 22858 Sonoma The Laguna east of Sebastopol Comment
  SEINET7558582 Image available Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh. Comment
  RSA177947  Carex globosa Robert F. Thorne 1965-4-19 34321 Sonoma Harrison Grade 1/2 mile E of Stoetz Road. 152 Comment
  CAS-BOT-BC331477  Carex gynodynama Peter Rubtzoff 1964-5-20 5317 Sonoma Brooks Gulch Marsh. Comment
  UC1562593  Carex gynodynama Barbara Ertter with Susan D'Alcamo 1988-5-1 7470 Sonoma meadow across Hwy. 1 from entrance to s-most campground; Salt Point State Park Comment
  CAS-BOT-BC146602  Carex gynodynama Alice Eastwood; John Thomas Howell; J. W. Stacey 1937-5-31 4495 Sonoma 2 miles south of Gualala River, Sonoma coast Comment
  RSA0023065  Carex gynodynama Peter Rubtzoff 1957-5-4 3310 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC21902  Carex harfordii Peter Rubtzoff 1955-5-21 1859 Sonoma Forestville Marsh. North facing slope bordering the marsh in the south. Comment
  CAS-BOT-BC320576  Carex harfordii Peter Rubtzoff 1962-6-1 4865 Sonoma Freestone Marsh. Comment
  UCR248725  Carex hassei Peter Rubtzoff 1962-5-11 4819 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  RSA0022420  Carex hassei Peter Rubtzoff 1963-7-6 5194 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  UC767128  Carex hendersonii Robert F. Hoover 1941-5-14 5099 Sonoma hills n Bodega Comment
  CAS-BOT-BC311822  Carex lasiocarpa Peter Rubtzoff 1966-6-5 5762 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC31171  Carex lemmonii John Thomas Howell 1957-6-13 32621 Sonoma Pitkin Marsh. Comment
  SBBG32422  Carex leptopoda L. S. Rose 1964-6-3 64051 Sonoma N end of Bodega Bay 1 Comment
  CHSC33993  Carex nudata J. D. Prouty 1980-4-12 860 Sonoma Between Porter Creek and Porter Creek Road ca. 0.1 mi w of junction with Petrified Forest Road. 256 Comment
  CAS-BOT-BC119286  Carex ovalis John Thomas Howell; J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC331479  Carex rostrata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville. Comment
  RSA0022397  Carex rostrata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville Comment
  SJSU8861  Carex senta R. D. Demostene 1965-4-25 Sonoma creek bed 3.5 mi NW of Cloverdale on State Rte 128 144 Comment
  UCR248948  Carex serratodens Peter Rubtzoff 1974-6-9 7586 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC117675  Carex serratodens Gregory Clark de Nevers 1982-2-27 1922 Sonoma Pepperwood Ranch, near the barn at Pepperwood. Comment
  UCR248924  Carex stipata var. stipata Peter Rubtzoff 1960-6-9 4483 Sonoma Laguna de Santa Rosa area, northeast of Graton, near the Laguna Road 30 Comment
  CAS-BOT-BC116778  Carex subbracteata var. subbracteata J. W. Stacey 1933-5-7 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC350933  Carex tumulicola Peter Rubtzoff 1954-7-5 1541 Sonoma Guerneville Marsh. Comment
  UC1123  Carex tumulicola H. N. Bolander Apr. 1864 3821 Sonoma Mark West Creek Comment
  RSA269282  Carthamus lanatus T. C. Fuller 1970-9-29 19804 Sonoma S21, T5N, R8W, N side of Valley Ford Road, 6 miles W of Petaluma. Comment
  UCD129938  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma ca. 1 mile west of Asti turn-off of the freeway, Hwy 101, Asti. Comment
  SEINET7067335  Castilleja affinis A. G. Vestal 1947-5-16 s.n. Sonoma About 6.7 miles East of Windsor on Mendocino Avenue. Coordinate datum: NAD27. UTM Zone 10, 523728mE, 4258330mN. Comment
  UCD38895  Castilleja affinis Beecher Crampton 1959-6-16 5403 Sonoma 1 mile south of the town of Bodega Bay. Comment
  UC353895  Castilleja affinis subsp. affinis Milo S. Baker 1927-5-7 2125 a Sonoma Fitzsimmons Grade to Adobe Canyon Comment
  CDA41344  Castilleja ambigua T. C. Fuller 1958-5-24 4013 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  JEPS22231  Castilleja ambigua subsp. ambigua Rimo Bacigalupi with members of Dr. Herbert G. Baker's class 1958-5-24 6361 Sonoma n of Sebastopol (ground above Pitkin Marsh); Vine Hill Region 60 Comment
  POM179718  Castilleja ambigua subsp. ambigua J. T. Howell 1930-6-8 5293 Sonoma 4 miles north of Bodega Bay. Comment
  UC1063442  Castilleja attenuata H. S. Yates 1934-4-22 3845 Sonoma 2 mi s Mark West; Calistoga Quad. 152 Comment
  SD88505  Castilleja densiflora subsp. densiflora Darley F. Howe 1972-6-27 Sonoma Near Pitkin Marsh Comment
  UC65828  Castilleja densiflora subsp. densiflora A. A. Heller 1902-4-18 5307 Sonoma Windsor Comment
  POM15642  Castilleja densiflora subsp. densiflora A. A. Heller, H. E. Brown 1902-4-16 13150 Sonoma Fields east of Santa Rosa Comment
  RSA177902  Castilleja foliolosa Robert F. Thorne 1965-4-20 34357 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  CAS-BOT-BC243854  Castilleja latifolia J. Clausen 1935-5-24 1088 Sonoma 5.1 mi. S of Jenner on the Bodega Road Comment
  CAS-BOT-BC243853  Castilleja latifolia Ella Dales Cantelow 1939-4-10 2605 Sonoma About 1.6 mi. S of Russian River Bridge Comment
  UC1179004  Castilleja rubicundula subsp. lithospermoides Francia Chisaki with R. Ornduff and H. G. Baker 1958-4-26 1132 Sonoma 2.6 mi n Healdsburg Comment
  SEINET7042575  Castilleja rubicundula subsp. lithospermoides A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  JEPS35569  Castilleja subinclusa subsp. franciscana L. R. Heckard 1964-6-12 1385 Sonoma s side Russian River (just across bridge on State Highway 1) Comment
  JEPS60450  Castilleja subinclusa subsp. franciscana T. I. Chuang and F. M. Chuang 1969-6-29 6688 Sonoma 1.8 mi se Bodega Bay (on Highway 1) Comment
  JEPS86334  Castilleja subinclusa subsp. franciscana Jack and Betty Guggolz 1988-4-4 908 Sonoma Sotoyome Land Grant; e side of crest of ridge Comment
  UC444863  Castilleja subinclusa subsp. franciscana Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  JEPS60453  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-29 6691 Sonoma 0.25 mi from Willow Creek Road junction with Highway 1 (on Willow Creek Road, just s of Russian River) Comment
  JEPS8512  Castilleja wightii W. L. Jepson 1931-7-19 15956 Sonoma bluffs at Scott Creek Comment
  RSA221718  Castilleja wightii Noel Holmgren, Liew Fah Seong 1969-6-23 3607 Sonoma Calif. 1, 18.6 miles north of Marin County line, by entrance to Shell Beach. Comment
  SEINET10549479  Castilleja wightii Noel H. Holmgren, James L. Reveal 1966-6-6 Holmgren 2650 Sonoma California 1, 2 mi s of california 116 junction, t7n, t11w, common on exposed Hillside and road bank away from salt spray. Inflorescence mostly red, sometimes Orange. Comment
  UCR255652  Caulanthus lasiophyllus Greg de Nevers 1997-4-24 10959 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  JEPS86152  Ceanothus Wayne Roderick 1962-1-1 Sonoma near Sea View (on ridge above Ft. Ross) Comment
  UC80038  Ceanothus confusus Katharine Brandegee 1889-4 74 Sonoma Mt. St. Helena Comment
  UCD111360  Ceanothus confusus Frederica Bowcutt; Adam Green 1994-5-1 1752 c Sonoma Sugarloaf Ridge State Park. About 50 air miles north 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 about 1/8 mile from trail head on Adobe Canyon Road. 213 Comment
  CAS-BOT-BC48512  Ceanothus confusus Milo S. Baker 1927-7-3 2332 a Sonoma Cobb Mt. Comment
  UC1084437  Ceanothus cuneatus var. cuneatus G. Thomas Robbins 1940-3-21 295 Sonoma ca 6 mi e Windsor (along Chalk Hill Rd) 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
  SBBG27271  Ceanothus divergens subsp. confusus J. T. Howell 1937-4-11 Sonoma Rincon Ridge, NE of Santa Rosa Comment
  UC1070624  Ceanothus foliosus C. M. Belshaw 1936-3-8 1590 Sonoma 3/4 mi n Annadel (nw of Kenwood.); Santa Rosa quad. 144 Comment
  UC18295  Ceanothus foliosus W. H. Brewer 1862-4-18 984 Sonoma near Sonoma Comment
  UC1299553  Ceanothus foliosus var. foliosus Freed W. Hoffman 1947-2-28 763 Sonoma Wils Hog Ridge, headwaters of Palmer Creek, a branch of Mill Creek near Healdsburg. Comment
  CAS-BOT-BC49908  Ceanothus foliosus var. foliosus Michener; Bioletti 1892-5-1 s.n. Sonoma S.L.G. Comment
  SEINET12211455  Ceanothus foliosus var. medius W. Knight, Knight, I. 1985-1 6377 Sonoma Vine Hill School Road 91 Comment
  RSA25831  Ceanothus foliosus var. vineatus Carl B. Wolf 1941-7-17 11023 Sonoma 100 yards west of the Vine Hill School, Vine Hills Dist. north of Sebastapol. 46 Comment
  UCD112131  Ceanothus foliosus var. vineatus Roman Gankin; W. R. Hildreth 1967-10-3 1071 Sonoma Vine Hill School Road, 1/2 mile east of Vine Hill Road. Comment
  CAS-BOT-BC50017  Ceanothus gloriosus John Thomas Howell 1937-4-11 12900 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC32738  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6694 Sonoma Vine Hill District, 9 miles W of Santa Rosa Comment
  CAS-BOT-BC63737  Ceanothus griseus A. A. Heller 1903-4-23 6606 Sonoma Fort Ross. Comment
  UC1280770  Ceanothus griseus H. E. McMinn 1938-6-20 5128 Sonoma Stewarts Point to Gualala Comment
  UC1299550  Ceanothus incanus Freed W. Hoffman 1947-6-4 598 Sonoma tributary of East Austin Creek Comment
  UCD111962  Ceanothus integerrimus Beecher Crampton 1954-4-26 1795 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  UCD151304  Ceanothus integerrimus James A. Neilson Jr. 1974-7-31 3030 Sonoma Mayacmas Mountains. Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  CAS-BOT-BC50648  Ceanothus jepsonii Robert F. Thorne 1965-4-19 34282 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental 182 Comment
  CAS-BOT-BC83781  Ceanothus jepsonii D. O. Burge; Kari B. Schroeder 2008-3-7 979 b Sonoma Ridge NW of Duvoul Creek, near confluence with Dutch Bill Creek 50 Comment
  SEINET12210995  Ceanothus jepsonii F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -165 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  CAS-BOT-BC51132  Ceanothus jepsonii var. albiflorus Walter Knight; Cliff Schmidt 1987-2-27 6060 Sonoma Bradford Mt. Road near Dorman Canyon, West of Healdsburg 167 Comment
  CAS-BOT-BC51882  Ceanothus parryi J. W. Congdon 1892-5-30 s.n. Sonoma Cazedero Comment
  POM136671  Ceanothus parryi A. A. Heller, H. E. Brown 1902-4-22 5337 Sonoma Bet Santa Rosa and Agua Caliente Comment
  RSA122368  Ceanothus parryi H. S. Yates 1934-4-21 5371 Sonoma near Guerneville 91 Comment
  LA44965  Ceanothus prostratus Henry Reents; 1936-5-8 sn Sonoma Rincon Ridge, NE of Santa Rosa Comment
  CAS-BOT-BC53038  Ceanothus sonomensis Walter Knight; Irja Knight; John Thomas Howell 1984-10-12 5076 Sonoma Cavedale Road 640 Comment
  CAS-BOT-BC53043  Ceanothus sonomensis A. A. Heller; H. E. Brown 1902-3-12 s.n. Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  CHSC114356  Ceanothus sonomensis D. G. Kelch; Ed Biffin 2010-5-30 10 .193B Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. 71 Comment
  UCSB25382  Ceanothus sonomensis McMinn, H. 1944-11-5 Sonoma Near old rock quarry about 1-2 miles from Kenwood highway as the Oakville road leads off Comment
  UC58242  Ceanothus thyrsiflorus var. griseus A. A. Heller 1903-4-23 6606 Sonoma Fort Ross. Comment
  UC1281461  Ceanothus velutinus H. E. McMinn 1936-4-4 4379 Sonoma near R. L. Stevenson Monument; Mt. St. Helena Comment
  SEINET6165161 Image available Ceanothus velutinus Unknown 1981-6-8 s.n. Sonoma Ridge between N and S peaks of Mt. St. Helena 1219 Comment
  CAS-BOT-BC277156  Centaurea melitensis G. DeNevers 1981-6-6 1459 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC277250  Centaurea solstitialis W. D. Hamilton 1946-5-15 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC277251  Centaurea solstitialis Peter Rubtzoff 1953-11-1 1438 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  UCR42347  Centaurea solstitialis L. F. LaPre 1985-6-25 s.n. Sonoma Coast Ranges, Socrates Mine, c. 9 mi. ENE of Geyserville 917 Comment
  UC75838  Centromadia fitchii Miss M. Alice King 1897-6-1 Sonoma near Healdsburg Comment
  CAS-BOT-BC288810  Centromadia fitchii Walter Knight; Irja Knight 1965-9-12 1184 Sonoma Newanga Rd, near Santa Rosa, adjacent to flood control reservoir Comment
  CAS-BOT-BC288811  Centromadia fitchii Milo S. Baker 1930-6-1 4167 a Sonoma Foppiano's Ranch, must N of his subdivision, near Healdsburg Comment
  CAS-BOT-BC271542  Centromadia parryi subsp. parryi David D. Keck 1933-11-10 2730 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  CAS-BOT-BC279396  Centromadia pungens subsp. pungens James I. McMurphy 1909-8-9 712 Sonoma Summit, hills between Sonoma and Petaluma Comment
  UCD166455  Cerastium Peter Rubtzoff 1954-8-13 1707 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC384975  Cerastium arvense Rimo Bacigalupi 1926-5-2 1377 Sonoma Cazadero Comment
  CAS-BOT-BC384977  Cerastium arvense Catherine Best 1981-4-4 s.n. Sonoma Coleman Valley Road about 4 miles west of Occidental Comment
  CAS-BOT-BC384978  Cerastium arvense Catherine Best 1983-4-16 s.n. Sonoma Along the Coleman Valley Rd. about 5 miles West of Occidental Comment
  JEPS77255  Cerastium glomeratum Robert M. Lloyd 1963-4-24 2394 Sonoma 13.8 mi. from State Hwy. 12 on rd. to Oakdale 365 Comment
  CAS-BOT-BC400225  Ceratophyllum demersum Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC400228  Ceratophyllum demersum Peter Rubtzoff 1956-9-15 2908 Sonoma Atascadero Creek Marsh Comment
  SD134006  Ceratophyllum demersum Peter Rubtzoff 1955-8-27 2103 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC400227  Ceratophyllum demersum Peter Rubtzoff 1955-8-27 2103 Sonoma Bennett Mtn. Lake Comment
  UCD160819  Chaenactis glabriuscula var. heterocarpha James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3434 Sonoma Section 10, ca. 1.5 miles west of The Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  UC754296  Chamaemelum fuscatum R. Bacigalupi 1948-4-4 2870 Sonoma 2 mi s of Asti (along U.S. 101) Comment
  RSA432493B  Chamaesyce serpillifolia L. S. Rose 1935-9-11 35624 Sonoma 2 mi N of Healdsburg. 40 Comment
  CAS-BOT-BC166026  Chamerion angustifolium subsp. circumvagum Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC166919  Chenopodium Peter Rubtzoff 1974-9-14 7892 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166798  Chenopodium Peter Rubtzoff 1971-8-9 6638 Sonoma Laguna, Chileno Valley. Comment
  UCD35703  Chenopodium rubrum Beecher Crampton 1958-12-30 5141 Sonoma ca. 10 miles west of Vallejo. Comment
  CAS-BOT-BC499259  Chlorogalum pomeridianum J. W. Congdon 1880-5-1 s.n. Sonoma unspecified Comment
  JEPS128347  Chlorogalum pomeridianum var. pomeridianum Roger Raiche 2000-5-28 118 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this is not the name on USGS topo sheets). Gualala River, Wheatfield Fork watershed. Comment
  UCD35661  Chloropyron maritimum Beecher Crampton 1959-6-16 5400 Sonoma South end of Bodega Bay. Comment
  CAS-BOT-BC191550  Chorizanthe cuspidata var. villosa Walter Knight; Irja Knight 1963-8-13 164 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC252848  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1915-6-6 4665 Sonoma Mt. St. Helena Comment
  CHSC297  Chrysanthemum segetum 1952-7-15 Sonoma Coastal. 30 Comment
  SEINET11835175  Chrysanthemum segetum L. S. Rose 1938-1 38251 Sonoma Bloomfield 30 Comment
  UCR249331  Cirsium Peter Rubtzoff 1962-6-13 4899 Sonoma Freestone Marsh 79 Comment
  CAS-BOT-BC284428  Cirsium brevistylum John Thomas Howell 1930-6-8 5277 Sonoma 8 miles n. of Bodega Bay Comment
  CAS-BOT-BC284427  Cirsium brevistylum John Thomas Howell 1930-6-8 5245 Sonoma 2 miles east of Bodega Comment
  UC178901  Cirsium douglasii var. douglasii Katharine Brandegee 1905-6-25 Sonoma Bodega Comment
  UCD130616  Cirsium douglasii var. douglasii P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC279999  Cirsium douglasii var. douglasii Lewis S. Rose 1939-5-14 39125 A Sonoma Bodega Bay 6 Comment
  CAS-BOT-BC285706  Cirsium occidentale var. occidentale Joseph Andorfer Ewan 1935-5-12 9221 Sonoma Bodega Bay road 2 mi. W. of Bodega Comment
  CAS-BOT-BC286378  Cirsium occidentale var. occidentale Alice Eastwood 1915-6-29 4888 Sonoma Bodega Point Comment
  CAS-BOT-BC280369  Cirsium occidentale var. venustum Peter Rubtzoff 1952-6-3 1144 Sonoma South slope of Fitch Mtn., near Healdsburg Comment
  UC1195664  Cirsium occidentale var. venustum A. R. Kruckeberg 1947-6-15 1499 Sonoma ca 1/2 mi above Maacamas Creek bridge (on Hwy 28, w end Knights Valley); Knights Valley Comment
  CAS-BOT-BC285756  Cirsium remotifolium W. Knight; I. Knight; Dr. Steve Edwards 1986-6-8 5441 Sonoma Cherry Creek Road W of Cloverdale Comment
  UC75938  Cirsium remotifolium var. odontolepis Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  CAS-BOT-BC285896  Cirsium vulgare John Thomas Howell 1946-8-17 22865 Sonoma Cunningham Marsh Comment
  SBBG21142  Clarkia amoena V. Haraden 1940-7-13 10 Sonoma ca. 10 mi E of Bodega Bay 304 Comment
  CAS-BOT-BC161061  Clarkia amoena subsp. amoena D. E. Breedlove 1962-6-6 2887 Sonoma Along State Highway 128, 0.9 mile northwest of U.S. Highway 101 at Cloverdale 106 Comment
  UC112987  Clarkia amoena subsp. amoena Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  UC423079  Clarkia amoena subsp. amoena Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC161060  Clarkia amoena subsp. amoena H. Lewis; M. Lewis 1947-6-15 436 Sonoma Highway 1, Bodega Bay at west road to Doran Park Comment
  RSA32039  Clarkia amoena subsp. amoena Katherine Brandegee 1905-06 s.n. Sonoma Bodega Bay Comment
  RSA778735  Clarkia amoena subsp. amoena Ralph Hoffman 1931-7-14 s.n. Sonoma Bay SW of Sonoma Comment
  CAS-BOT-BC172205  Clarkia concinna A. A. Heller 1902-6-26 5776 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC172207  Clarkia concinna Rimo Bacigalupi 1926-5-2 1397 Sonoma Cazadero Comment
  CAS-BOT-BC172208  Clarkia concinna C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  UCD160835  Clarkia concinna James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3358 Sonoma Section 10, on the Geysers Road, 1/4 mile west of Eagle Rock. (Elevation and coordinates estimated by label maker.) 396 Comment
  CHSC41510  Clarkia concinna subsp. concinna R. N. Bowman 1985-5-23 6073 Sonoma .2 miles w of guarded entrance to 'The Geysers' geothermal power generating area on Geysers Resort Rd. 445 Comment
  UC73320  Clarkia concinna subsp. concinna Milo S. Baker 1898-5-7 598 Sonoma Glen Ellen Comment
  UC765874  Clarkia concinna subsp. concinna R. F. Hoover 1938-6-14 3603 Sonoma Mark West Springs Comment
  POM126043  Clarkia concinna subsp. concinna A. T. Graff 1925-5-20 s.n. Sonoma Trooper s, Cazadero Comment
Read comments Nov 4 2015
  CAS-BOT-BC163132  Clarkia gracilis subsp. sonomensis Joseph P. Tracy 1945-7-4 17511 Sonoma Trinity River Valley, at Willow Creek 152 Comment
  UC373497  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 19 Sonoma 1/2 mi s of road to Glen Ellen (Sonoma to Santa Rosa Highway) 30 Comment
  SD51810  Clarkia imbricata Peter H. Raven, Richard Snow 1958-7-23 13691 Sonoma Very near type locality; common in grassy field at 4551 Vine Hill Road near Pitkin Marsh. Comment
  RSA0060039  Clarkia imbricata Peter H. Raven, R. Snow 1958-7-23 13692 Sonoma 4551 Vine Hill Road, near Pitkin Marsh Comment
  UCD100582  Claytonia exigua Botany 102 Students 1993-5-8 286 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. 487 Comment
  UCD100618  Claytonia exigua Brian Parry 1993-4-17 46 Sonoma Adobe Canyon N of Sugarloaf Ridge. 426 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
  RSA6471  Claytonia exigua subsp. exigua Jens Clausen 1933-3-26 745 Sonoma Harrison Grade, betwen Grtaon and Occidental. In orchard, gravelly soil. 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
  UCR265107  Claytonia gypsophiloides Ann Howald 2015-4-1 3323 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  SEINET9321581  Claytonia perfoliata John Nelson, Wnek, R. 2000-3-7 20938 Sonoma Fern Grove Cottages Comment
  CAS-BOT-BC443870  Claytonia sibirica Peter Rubtzoff 1967-8-22 5851 Sonoma Southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC443871  Claytonia sibirica Peter Rubtzoff 1964-7-3 5340 Sonoma Bodega Bay Marsh. Comment
  RSA135361  Clematis ligusticifolia Volney Rattan 1877-6-21 s.n. Sonoma Santa Rosa Comment
  UC909544  Clintonia andrewsiana E. W. Gifford August, 1950 Sonoma near Stewart's Point (adjacent to coast) 304 Comment
  SEINET12050384  Clintonia andrewsiana F. H. Utech 1988-1 88 -202 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  SEINET12050385  Clintonia andrewsiana F. H. Utech 1988-1 88 -213 Sonoma Salt Point, along CA 1 between Jenner & Stewart's Point, Mile Marker 38.39 75 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
  HSC20588  Collinsia heterophylla R. F. Good 1962-4-19 27 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes 46 Comment
  JEPS21814  Collinsia sparsiflora var. arvensis Alvin W. Urquhart 1958-4-13 21 Sonoma 2 mi e Glenn Ellen (Sonoma Mt. rd) 304 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
  POM14827  Collinsia sparsiflora var. arvensis D. C. Michener, F. T. Bioletti 1893-04 s.n. Sonoma Kenwood. Comment
  RSA41892  Collinsia sparsiflora var. arvensis H. C. Cantelow 1936-4-11 1221 Sonoma Bet. Shellville and Napa. Comment
  SEINET6985357  Collinsia sparsiflora var. arvensis A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma 1 mile east of Occidental. Comment
  CHSC22315  Collinsia tinctoria Robert A. Schlising; Lloy Thurman 1962-6-15 2307 Sonoma Dry Creek Road, few miles E of Skaggs Springs. Coast Ranges. Comment
  UCR30587  Collomia diversifolia John C. Roos 1950-7-22 4873 Sonoma North Coast Range, 2 miles east of Duncan Mills 61 Comment
  JEPS46209  Collomia grandiflora Eleanor Armstrong 1932-5-25 476 Sonoma 2 mi n Camp Meeker (towards Monte Rio, dry hillside) 121 Comment
  SEINET12337433  Collomia heterophylla W. Knight, Knight, I.; Knight, T. 1985-1 5147 Sonoma Comment
  JEPS23537  Cordylanthus pilosus subsp. pilosus Peter H. Raven, R. Snow 1958-7-23 13690 Sonoma Occidental Comment
  CHSC107300  Cordylanthus tenuis subsp. brunneus D. G. Kelch; Troy McGregor 2010-8-22 10 .353 Sonoma Nr Peak of Geyser Peak Rd. In open areas on serpentine. Comment
  UCD151308  Cordylanthus tenuis subsp. brunneus James A. Neilson Jr. 1974-7-31 2862 Sonoma Mayacmas Mountains. Little Geysers area, 1/4 mile north of hot springs. (Elevation estimated by label-maker using topo map.) 731 Comment
  JEPS16345  Cordylanthus tenuis subsp. capillaris H. L. Mason 1946-7-4 12900 Sonoma 2 mi e Occidental; ; E of Occidental, Sonoma Co. Comment
  JEPS74601  Cordylanthus tenuis subsp. capillaris L. R. Heckard 1974-8-21 3825 Sonoma about 1 mi n of Camp Meeker (s of Monte Rio) Comment
  RSA107417  Cordylanthus tenuis subsp. capillaris L. S. Rose 1955-7-11 s.n. Sonoma 2 miles NE of Occidental 244 Comment
  UC1044679  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1947-7-15 11866 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  UCR255674  Cornus nuttallii Greg de Nevers 1998-5-25 11266 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; at the caves. 400 Comment
  CAS-BOT-BC210428  Cornus sericea Peter Rubtzoff 1951-6-7 126 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC210436  Cornus sericea Peter Rubtzoff 1958-4-26 3589 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC210473  Cornus sericea subsp. occidentalis A. A. Heller 1902-7-1 5796 Sonoma Lagoon at Sebastopol Comment
  UCR244499  Coronopus didymus Peter Rubtzoff 1960-5-15 4333 Sonoma Fife Creek Marsh [near Guerneville] Comment
  JEPS58674  Corylus californica W. L. Jepson 1903-10-4 2365 Sonoma Russian River, Eagle's Nest Camp Eagle's Nest Camp; Russian River, Eagle's Nest Camp Comment
  CAS-BOT-BC376394  Cotoneaster Greg de Nevers 1994-3-26 10518 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Garrison Canyon. 457 Comment
  CAS-BOT-BC427655  Crassula aquatica Peter Rubtzoff 1972-4-23 6729 Sonoma 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC427657  Crassula aquatica Peter Rubtzoff 1970-10-3 6406 Sonoma Near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC427658  Crassula aquatica Peter Rubtzoff 1971-7-3 6587 Sonoma Near (south of) U.C. Bodega Marine Laboratory dormitory. Comment
  JEPS86784  Crassula solieri Reid Moran, Chas. Quibell 1991-5-15 31053 Sonoma 1 km. e. Glen Ellen (Rte. 12 0.5 km s. of Arnold Dr., Sonoma Valley Regional Park); Sonoma Valley Regional Park 110 Comment
  UC580679  Crataegus gaylussacia H. S. Yates 1934-4-21 3783 Sonoma Near Freestone Sebastopol Quad. 60 Comment
  UC963911  Cressa truxillensis Milo S. Baker 1946-10 11710 Sonoma less than 1 mi. n. of junction of Sears Point Cutoff and Black Point Hwy. (near Bay marsh) Comment
  UCD116522  Crocanthemum scoparium Frederica Bowcutt 1994-6-25 1917 Sonoma 609 Comment
  UC963925  Crocanthemum scoparium var. vulgare Milo S. Baker 1947-5-30 11770 Sonoma sw slope Hood Mt. Comment
  HSC7976  Croton setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 mi. NE of Penngrove 427 Comment
  UCD142160  Croton setiger Lewis S. Rose 1964-8-26 64065 Sonoma 6.5 miles NE of Penngrove; 426 Comment
  UCR246781  Crupina vulgaris Les Sonder 1990-1-25 s.n. Sonoma Anadell State Park, Santa Rosa 351 Comment
  CDA36048  Crupina vulgaris CDFA Staff Sep 1976 Sonoma Santa Rosa. 0 Comment
  UC662541  Cryptantha leiocarpa Milo S. Baker 1934-6-1 7704 Sonoma Wrights Beach Comment
  UC905112  Cryptantha muricata Milo S. Baker 1947-5-7 11735 Sonoma near base of Sugar Loaf (sw slope of Hood Mt.); Hood Mt. 365 Comment
  SEINET11739328  Cupressus macnabiana W. Knight, Knight, I.; Howell, J. T. 1984-1 5077 Sonoma above Hooker Canyon on Cavedale Road 640 Comment
  CAS-BOT-BC85464  Cupressus sargentii Milo Samuel Baker 1928-3-1 2597 b Sonoma W.B. Coy Ranch north of Occidental Comment
  CAS-BOT-BC85470  Cupressus sargentii C. Best 1987-5-2 s.n. Sonoma Harrison Grade Road. 2 miles north of Occidental Comment
  CAS-BOT-BC85475  Cupressus sargentii Roxana Stinchfield Ferris; L. Lorraine 1961-6-15 13565 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road Comment
  CDA11978  Cupressus sargentii G. F. Hrusa, T. D. Wilfred 1995-12-3 12483 Sonoma North Coast Biodiversity Arena; Large grove immediately NW of summit of Chalk Mtn. Foote Ranch, at NW base of Mt. St. Helena. On serpentine, trees appearing at the sharp discontinuity of substrata. 5-10 meters tall. Comment
  POM215751  Cupressus sargentii Jens Clausen 1933-3-26 749 Sonoma Summit of Harrison Grade, between Graton and Occidental Comment
  UC353811  Cupressus sargentii Milo S. Baker 1928-4-18 2966 a Sonoma 3 mi n Occidental (W. B. Coy Ranch) Comment
  JEPS120456  Cuscuta Daniel Slakey 2013-8-11 62 Sonoma Salt Point State Park, just north of the parking area at Salt Point. Comment
  UCD164540  Cuscuta campestris Peter Rubtzoff 1975-8-15 8321 Sonoma Laguna, Chileno Valley. Comment
  CDA41304  Cuscuta howelliana G. F. Hrusa, A. Buckman (DFG) 1996-10-5 13583 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Sheet 2 of 3. Comment
  CAS-BOT-BC182775  Cuscuta pentagona Peter Rubtzoff 1970-9-8 6384 Sonoma Sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  CAS-BOT-BC182777  Cuscuta pentagona Peter Rubtzoff 1970-9-8 6384 Sonoma Sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton Comment
  CAS-BOT-BC320510  Cynodon Peter Rubtzoff 1970-9-13 6385 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC376230  Cynodon Greg de Nevers 1996-9-23 10880 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek x Piny Canyon 487 Comment
  UC1131374  Cynodon dactylon H. S. Yates 1937-5-30 6539 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  UC816852  Cynodon dactylon Marcus E. Jones, A. M. 1882-7-18 Sonoma Duncan's Mills Comment
  UCD60096  Cynodon dactylon var. hirsutissimus W. A. Harvey; Lloyd Harwood 1955-10-6 s. n. Sonoma F. P. Grace Ranch, 3.5 miles southwest of Healdsburg. Comment
  UCD37117  Cynodon plectostachyus Beecher Crampton 1957-5-15 4042 Sonoma 4-5 miles southwest of Healdsburg, Foreman Lane, Frank C. Grace Ranch. Comment
  POM369230  Cynoglossum grande Christopher Davidson 1977-6-20 6032 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  UCD60122  Cynosurus cristatus Freed W. Hoffman 1943-6-20 2061 Sonoma Sonoma Coast, Eckert Ranch near Salt Point. Comment
  CAS-BOT-BC190472  Cynosurus echinatus Mary P. Wells 1981-8-2 s.n. Sonoma Trail north off Crow's Nest Road and east of Spy Glass Lane. The Sea Ranch. Comment
  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
  CAS-BOT-BC114438  Cyperus erythrorhizos Peter Rubtzoff 1956-9-14 2868 Sonoma Vacation Beach., near Guerneville. Open, wet margin of a pool on Russian River bottom. Comment
  CAS-BOT-BC114439  Cyperus erythrorhizos Peter Rubtzoff 1961-9-20 4757 Sonoma Lagune de Santa Rosa, NE of Graton, near Guerneville Road crossing. Comment
  RSA227202  Cyperus erythrorhizos Peter Rubtzoff 1958-9-20 3992 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mile north of Guerneville Rd.) Comment
  UC688870  Cyperus niger Freed Hoffman 1943-10-26 Sonoma overflow pool of Russian R. Guerneville Comment
  CAS-BOT-BC113904  Cyperus niger var. capitatus Peter Rubtzoff 1951-6-10 193 Sonoma Plants of the Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC113903  Cyperus niger var. castaneus Peter Rubtzoff 1987-9-27 9857 Sonoma Russian River at Forest Hills, ca. 6 mi E of Guerneville. Comment
  JEPS128196  Cypripedium californicum Roger Raiche 1982-5-29 20416 A Sonoma The Cedars, Mineral Springs Canyon. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC189803  Dactylis glomerata G. DeNevers 1981-5-20 1230 Sonoma Pepperwood Ranch. Leslie Creek and Mark West Creek. Comment
  CAS-BOT-BC189804  Dactylis glomerata G. DeNevers 1981-5-23 1252 Sonoma Pepperwood Ranch. Along Franz Valley Road. Comment
  UCD60293  Dactylis glomerata Collector unknown 1941-5-1 Sonoma Santa Rosa, McDonald Ave. Comment
  CAS-BOT-BC445564  Damasonium californicum Peter H. Raven 1963-4-28 18253 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  UC1100154  Damasonium californicum Herbert L. Mason 1928-4-13 4325 Sonoma near Petaluma Petaluma Comment
  CAS-BOT-BC445563  Damasonium californicum J. W. Congdon 1880-5-16 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC192280  Danthonia californica John Thomas Howell 1935-5-5 12611 Sonoma 6 miles from Santa Rosa, on road to Sonoma Comment
  CAS-BOT-BC210055  Danthonia californica Peter Rubtzoff 1961-6-17 4627 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC210057  Danthonia californica Peter Rubtzoff 1957-5-11 3345 Sonoma Occidental Marsh. Comment
  UC1026469  Danthonia californica Peter Rubtzoff 1952-5-31 1096 Sonoma Upper Marsh Pitkin Marsh (eastern branch, near Forestville) Comment
  UCD60480  Danthonia californica B. Crampton 1955-6-17 2960 Sonoma 4.5 miles east of Fort Ross. Comment
  UCD60485  Danthonia californica Beecher Crampton 1957-7-22 4385 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCD145304  Danthonia californica John Thomas Howell 1957-6-13 32622 Sonoma bordering Pitkin Marsh. Comment
  UCD33239  Danthonia californica var. americana Beecher Crampton 1967-5-15 7935 Sonoma Sonoma County, 14 miles N.W. of Calistoga on Hwy. 128 near Chalk Hill road. Comment
  CAS-BOT-BC154985  Datura Peter Rubtzoff 1968-9-21 5986 Sonoma Russian River bottom at Forest Hills, 5.5 mi. E of Guerneville. Comment
  UCR279632  Datura stramonium Peter Rubtzoff 1968-9-21 5986 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  UCD126531  Datura stramonium J. M. Tucker; C. H. Lamoureux 1958-6-8 3406 Sonoma 0.6 mile north of junction of Vine Hill Road and Guerneville Road (around 9 miles west of Santa Rosa). Comment
  UCR37765  Daucus carota A. C. Sanders 1985-1-19 5374 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  UCD127397  Daucus carota R. Tofsrud 1948-6-24 s.n. Sonoma Santa Rosa. Comment
  RSA470792  Daucus pusillus D. D. Keck, J. Clausen 1935-6-15 3372 Sonoma 1 mile north of Salmon Creek Comment
  UCD127412  Daucus pusillus Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-6 129 Sonoma Unit 35A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC293812  Deinandra corymbosa Walter Knight; Irja Knight 1965-9-13 1190 Sonoma Lohrman Lane near firehouse. Petaluma Comment
  RSA800287  Deinandra corymbosa Peter Rubtzoff 1954-8-3 1646 Sonoma Bodega Head Marsh. Comment
  UC906499  Delphinium Elizebeth Armstrong 1931-4 Sonoma ranch near Santa Rosa Comment
  CAS-BOT-BC9575  Delphinium bakeri Milo S. Baker 1929-5-3 3429 Sonoma Coleman Valley Comment
  CAS-BOT-BC9574  Delphinium bakeri E. Armstrong 1932-5-7 5900 Sonoma Coleman Valley at Hedrin Ranch Comment
  CAS-BOT-BC9023  Delphinium decorum M. Hallet 1927-4-1 s.n. Sonoma Graton Comment
  UCSB31450  Delphinium hesperium Townsend, J. 1977-5-30 Sonoma East side Russian river; about 2 miles south of Guerneville 335 Comment
  UC1334519  Delphinium hesperium subsp. hesperium G. A. L. Mehlquist and J. A. Jenkins 1940-5-28 3 Sonoma 100 yds sw of Route 29 Mark West Mineral Spring Comment
  CAS-BOT-BC33152  Delphinium luteum Amos Arthur Heller; H. E. Brown 1902-4-11 5256 Sonoma Bodega Bay Comment
  CAS-BOT-BC8008  Delphinium nudicaule William Henry Brewer 1862-4-18 968 Sonoma near Sonoma Comment
  UC1126017  Delphinium nudicaule E. Armstrong 1934-3-26 953 Sonoma 1 mi nw Camp Meeker; Sebastopol Quadrangle 121 Comment
  UC854161  Delphinium nudicaule Eliz. Parsons Hawver 1915-6-3 Sonoma Skaggs Springs Comment
Read comments Jan 23 2016
  SD88562  Delphinium nudicaule Darley F. Howe 1972-5-3 Sonoma 4 miles north of Ft. Ross Comment
  UC424806  Delphinium nudicaule Milo S. Baker 1930-4-5 3930 C Sonoma on Coast rd near Russian River Comment
  UCD95873  Delphinium nudicaule Erik Beever; Patti Togioka and Valerie Bullock 1993-5-8 235 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 Pony Gate Trail. 304 Comment
  UC907684  Delphinium variegatum G. Thomas Robbins 1937-5-23 191 Sonoma along Santa Rosa-Sebastopol road near Wright School Comment
  RSA122789  Delphinium variegatum B. O. Schreiber 1936-3-5 2210 Sonoma 2 miles WNW of Mark W Springs. 122 Comment
  RSA177978  Dendromecon rigida Robert F. Thorne 1965-4-19 34305 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC583  Dendromecon rigida subsp. rigida Catherine Best 1981-4-4 s.n. Sonoma Staetz Lane, 3 miles north of Occidental. Comment
  UC1131421  Deschampsia cespitosa subsp. cespitosa H. S. Yates 1936-5-16 5605 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  CAS-BOT-BC227667  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1971-6-25 6571 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC201643  Deschampsia danthonioides John Thomas Howell; Walter Knight; Irja Knight 1987-6-4 6242 Sonoma Todd Road Preserve 24 Comment
  UCD165167  Deschampsia danthonioides Peter Rubtzoff 1974-5-26 7494 Sonoma Todd Road 1.5 mi. from Hwy. 116 and 0.5 mi. from Llano Road. Comment
  CAS-BOT-BC201644  Deschampsia danthonioides G. DeNevers 1982-5-17 2015 Sonoma 50 m E of Pippindale Pond Comment
  CAS-BOT-BC201956  Deschampsia elongata Roxana S. Ferris; Laura Lorraine 1961-6-14 13544 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  RSA227247  Deschampsia elongata Peter Rubtzoff 1962-5-25 4836 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  UCD63561  Deschampsia elongata Beecher Crampton 1955-6-17 2951 Sonoma 4.5 miles S of Cazadero. Comment
  UC72730  Dicentra chrysantha Milo S. Baker 1898-6-11 669 Sonoma Little Sulphur Creek Comment
  SEINET242425 Image available Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-18 7139 f Sonoma NE Sonoma Co, The Geysers, 12 mi east of Cloverdale, ca. 1.2mi E of Geyser Resort area, slope of steam well no. 10 494 Comment
  CAS-BOT-BC502209  Dichelostemma capitatum F. Almeda; G. DeNevers 1981-3-30 4883 Sonoma Vicinity of the Bechtel Cabin. Comment
  RSA783841  Digitaria Peter Rubtzoff 1971-8-23 6645 Sonoma Stony Point Road, just S of Hwy 116. Comment
  SEINET11690138  Digitaria ischaemum J. T. Howell, Best, C. 1986-1 s.n. Sonoma Sonma State Campus, Rohnert Park Comment
  CAS-BOT-BC209111  Digitaria sanguinalis Catherine Best 1987-7-2 1299 Sonoma Along Todd Road about 1 mile from Llano Road Comment
  RSA796382  Digitaria sanguinalis Peter Rubtzoff 1958-8-9 3846 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UC1011018  Digitaria sanguinalis Virginia Bufford 1935-10-13 83 Sonoma Santa Rosa Comment
  UCD64092  Digitaria sanguinalis Virginia Bufford 1935-9-8 82 Sonoma Vine Hill District. Comment
  CAS-BOT-BC151752  Diplacus kelloggii Elmer I. Applegate 1934-3-25 8857 Sonoma Head waters of Sulphur Creek, west slope of Mayamaca Mountains Comment
  UCD137487  Dipsacus sativus J. D. Skoss 1948-7-25 40 Sonoma Shellville. Comment
  SEINET6957404  Dirca occidentalis Lorin I. Nevling 1996-2-17 349 Sonoma Above Salmon Creek Road approximately 2.3 miles from Bodega, 0.2 mile after intersection with Fitzpatrick Lane. Altitude 320 feet. "Western Leatherwood." Comment
  UC1123264  Dodecatheon hendersonii B. O. Schreiber 1938-2-27 2467 Sonoma 2 mi wnw Mark West Springs; Healdsburg Quad. 121 Comment
  UC1199856  Dodecatheon hendersonii Herbert L. Mason 1926-3-22 2792 Sonoma near Napa-Sonoma line (near Petrified Forest); near Petrified Forest Comment
  RSA247149  Dodecatheon hendersonii Gary D. Wallace, Larry E. DeBuhr 1972-3-28 1006 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 mi east of junction with Hwy. 128. Comment
  JEPS14425  Downingia concolor var. concolor W. L. Jepson 1921-6-3 9313 Sonoma Cotati Valley, at Wilfrid sta. Cotati Valley Comment
  UC1001279  Downingia concolor var. concolor W. L. Jepson 1921-6-3 9313 Sonoma Wilfred sta. Cotati Valley Comment
  UCD150143  Downingia concolor var. concolor Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1. 43 Comment
  UCD150850  Downingia concolor var. concolor Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  JEPS29142  Downingia concolor var. concolor John H. Weiler 1961-4-30 6197 Sonoma 1.2 mi w Schellville railroad station (along State Highway 37) Comment
  RSA47585  Downingia concolor var. concolor L. Beane, Lois E. James 1949-5-16 1948 Sonoma About 3 miles S of Healdsburg Comment
  RSA783712  Downingia concolor var. concolor Peter Rubtzoff 1974-5-18 7439 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UC28965  Downingia cuspidata F. T. Bioletti 1893-6-10 Sonoma Los Guilucos Valley Comment
  RSA177046  Downingia cuspidata P. H. Raven 1963-4-28 18256 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  CAS-BOT-BC154141  Downingia pusilla Peter Rubtzoff 1972-5-14 6741 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  JEPS103635  Downingia pusilla Lisa Schultheis 1995-5-15 148 -95 Sonoma Santa Rosa. Alton Lane, approximately 0.25 miles W of Fulton Road Comment
  JEPS14377  Downingia pusilla Milo S. Baker 1934-4-10 7774 Sonoma 2 mi s Warfield R.R. sta. (n side of highway) Comment
  JEPS26987  Downingia pusilla Milo S. Baker 1934-4-10 7774 Sonoma 2 mi s Warfield R.R. sta. (n side of highway) Comment
  UCD113045  Drymocallis glandulosa Frederica Bowcutt 1994-6-12 1842 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Sonoma Creek near trailhead for Hillside trail. 381 Comment
  UC1201281  Dryopteris arguta E. Samuels 233 Sonoma Comment
  UC571159  Dudleya farinosa H. L. Mason 1928-7-10 4882 Sonoma Jenner Comment
  CAS-BOT-BC208554  Echinochloa crus-galli Lewis S. Rose 1956-8-20 56148 Sonoma San Antonio Creek, Highway 101 3 Comment
  CAS-BOT-BC208553  Echinochloa crus-galli David L. Morgan 1955-7-5 s.n. Sonoma Bloomfield Rd., 2 mi. N of junction of Petaluma-Valley Ford Rd. Comment
  JEPS128356  Ehrharta erecta Roger Raiche 2000-4-23 049 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD61213  Ehrharta erecta P. G. Connors 1992-5-12 252 Sonoma Near Salmon Creek (Miwok Rd.). Comment
  CAS-BOT-BC261656  Eleocharis Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7801 Sonoma Kenwood Marsh. Comment
  UCD164979  Eleocharis Peter Rubtzoff; Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7801 Sonoma Kenwood Marsh. Comment
  RSA800157  Eleocharis Peter Rubtzoff 1972-8-26 6858 Sonoma Laguna, Chileno Valley. Comment
  SEINET7062820  Eleocharis acicularis A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point. UTM Zone 10, 464491mE, 4278527mN. (WGS84/NAD83). 0 Comment
  CAS-BOT-BC112981  Eleocharis macrostachya Peter Rubtzoff 1951-7-8 387 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112980  Eleocharis macrostachya Catherine Best 1981-8-22 s.n. Sonoma At the pond about 2 miles morth of Occidental on Stoetz Lane Comment
  CAS-BOT-BC112192  Eleocharis radicans Peter Rubtzoff 1951-9-2 703 Sonoma Pitkin Marsh, near Forestville: Northern half of Lower Marsh. Comment
  UC1146677  Elymus glaucus Freed W. Hoffman 1943-6-13 2047 Sonoma Little Sulphur Creek North Coast Ranges Comment
  UCD61858  Elymus glaucus August L. Hormay 1932-6-19 Sonoma Mt. St. Helena. Comment
  UC1011033  Elymus glaucus Virginia Bufford 1935-5-9 35 Sonoma Stony Point-Two Rock Rd.; along R.R. Comment
  UCD62303  Elymus glaucus R. Tofsrud 1941-4-1 48 Sonoma Field off Franklin Ave. Comment
  CAS-BOT-BC203725  Elymus glaucus subsp. glaucus L. R. Abrams 1922-6-21 8150 Sonoma 6 mi west of Ukiah on the Low Gap Road to Mendocino City Comment
  CAS-BOT-BC203728  Elymus glaucus subsp. glaucus Milo S. Baker 1945-5-15 10919 Sonoma 4 mi W of Santa Rosa near Wright's School Comment
  CAS-BOT-BC203727  Elymus glaucus subsp. glaucus H. S. Yates 1937-6-5 20815 Sonoma 3 miles S. S. E. of Wildwood Comment
  JEPS45814  Elymus glaucus subsp. jepsonii Eleanor Armstrong 1932-5-25 176 Sonoma 2 mi s Graton 91 Comment
  JEPS27967  Elymus multisetus Rimo Bacigalupi and L. Heckard 1961-6-9 7740 Sonoma at junction of Joy Rd and Bittner Road (1.75 mi sw of Occidental) 249 Comment
  CAS-BOT-BC262963  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-23 1978 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC262971  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1520 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  RSA800035  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1693 Sonoma Guerneville Marsh. Comment
  RSA800037  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1968-7-20 5923 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC262970  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1955-8-20 2088 Sonoma Bodega Harbor Marsh. Comment
  CHSC22088  Epilobium ciliatum subsp. watsonii Robert A. Schlising; G. Keator 1963-7-27 2631 Sonoma Coast Ranges. In marsh on east side of Bodega Peninsula. Comment
  POM231111  Epilobium ciliatum subsp. watsonii Jens Clausen 1935-5-24 1082 Sonoma 3.7 miles south of Jenner on the Bodega road Comment
  RSA800630  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-8-10 1676 Sonoma Bodega Head Marsh Comment
  UCR244514  Epilobium densiflorum Peter Rubtzoff 1969-8-26 6154 Sonoma On River Road, c. 3 miles west of Fulton 27 Comment
  UC73324  Epilobium densiflorum Milo S. Baker 1904-6-19 Sonoma above Maple Glen; Sonoma Creek Canyon Comment
  UCD167421  Epilobium hallianum Peter Rubtzoff 1962-5-25 4843 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC262822  Epilobium hallianum Peter Rubtzoff 1962-5-11 4824 Sonoma Laguna de Santa Rosa, east of Cunningham, near the Llano Road crossing. Comment
  JEPS128200  Epilobium minutum Roger Raiche 2000-5-4 068 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA784482  Equisetum Peter Rubtzoff 1973-8-21 7254 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC57040  Equisetum arvense Peter Rubtzoff 1960-6-9 4477 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road Comment
  CAS-BOT-BC57045  Equisetum arvense Peter Rubtzoff 1959-6-7 4108 Sonoma Russian River betw. Vacation Beach and East Guernewood near Guerneville Comment
  UC1010445  Equisetum arvense Milo S. Baker 1939-4-2 9268 Sonoma stream in front of Mrs. Morton's place Kenwood Comment
  SD64379  Equisetum hyemale subsp. affine Darley F. Howe 1966-6-2 Sonoma west side of Bodega Bay, on peninsula Comment
  UCD67319  Equisetum laevigatum D. Sanchez-Mata 1996-4-16 s.n. Sonoma Mercuryville. Big Sulphur Creek. The Geysers. Riparian forests. 400 Comment
  RSA239707  Equisetum laevigatum Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1093 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. 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-BC57654  Equisetum telmateia J. W. Congdon 1880-4-13 s.n. Sonoma Santa Rosa Road 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
  UC53415  Eragrostis hypnoides Jos. Burtt Davy July 1896 Sonoma Russian River Comment
  UCD63379  Eragrostis hypnoides Freed W. Hoffman 1942-9-30 2164 Sonoma Along Russian River. Comment
  CAS-BOT-BC182752  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1953-11-1 1442 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC291253  Erechtites minimus John H. Thomas 1976-6-17 18351 Sonoma Near northern end of Sea Ranch, northwestern part of Sonoma County, about 4 miles south of Gualala Comment
  UC194498  Ericameria arborescens Edw. L. Greene 1888-9-1 Sonoma Petrified Forest Comment
  JEPS86762  Ericameria arborescens Jack and Betty Guggolz 1990-9-25 1096 Sonoma 1.5 mi se Warm Springs Dam (1/8 mi ne of the dam of the large reservoir on Harry Merlo's property) 198 Comment
  CAS-BOT-BC376296  Erigeron Greg de Nevers 1992-7-25 10226 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  UCD132089  Erigeron Jackie Sinkey; Rene Westbrook 1976-4-14 s.n. Sonoma Bodega Head. Comment
  CAS-BOT-BC293621  Erigeron biolettii Marcus E. Jones 1882-7-17 3620 Sonoma Duncan's [Duncans] Mills Comment
  SEINET8667577 Image available Erigeron inornatus var. viscidulus H. M. Hall 1909-6-25 8518 Sonoma Guernewood Park Comment
  CAS-BOT-BC248812  Eriogonum compositum var. compositum James Jokerst 1985-5-29 2388 Sonoma Near Cobb Mountain 1126 Comment
  RSA766132  Eriogonum latifolium J. T. Howell 1930-6-8 5257 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC259267  Eriogonum latifolium Mrs. H. P. Bracelin 1930-7-27 24 Sonoma Two miles north of Bodega Bay Comment
  CAS-BOT-BC259268  Eriogonum latifolium C. L. Hitchcock; J. S. Martin 1939-7-15 5444 Sonoma Cliffs below Bodega State Park Comment
  CAS-BOT-BC259472  Eriogonum luteolum Margaret J. Williams; Wayne Roderick 1978-7-16 78- 228 -2 Sonoma Near Occidental Comment
  UCD100298  Eriogonum luteolum Frederica Bowcutt 1994-6-25 1912 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 Grey Pine Trail about 1/2 way between Bushy Peak Trail and Meadow Trail. 530 Comment
  UC1299729  Eriogonum luteolum var. luteolum Freed W. Hoffman 1946-9-26 568 Sonoma Layton Mine Austin Creek, Layton Mine Comment
  RSA221  Eriogonum nudum var. auriculatum E. R. Johnson 1928-8-22 1112 Sonoma Cloverdale Comment
  CAS-BOT-BC253067  Eriogonum roseum Helen D. Geis 1902-1-1 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC253068  Eriogonum roseum Helen D. Geis 1902-8-1 s.n. Sonoma Russian River bed Comment
  UCD101272  Eriogonum ternatum Roger Raiche 1984-6-23 RR 40235 Sonoma The Cedars, N of Cazadero, headwaters of East Austin Creek. Area called Red Slide. 548 Comment
Read comments Oct 17 2013
  CAS-BOT-BC267867  Eriogonum umbellatum var. bahiiforme F. G. Krauss 1894-5-1 s.n. Sonoma Mts. west of Calistoga Comment
  SD133986  Eriogonum vimineum Greg de Nevers 1986-9-10 8110 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 99 Comment
  SBBG20895  Eriophyllum lanatum A. I. Richardson 1961-5-16 18 Sonoma Sweetwater Springs Rd, 1 mi beyond turn to Armstrong Redwoods State Park, N of Guerneville Comment
  CAS-BOT-BC301152  Eriophyllum lanatum var. achilleoides Roxana S. Ferris; Laura Lorraine 1961-6-14 13524 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  CDA5239  Eriophyllum lanatum var. achilleoides G. D. Barbe 1982-5-27 3619 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment
  CAS-BOT-BC301299  Eriophyllum lanatum var. arachnoideum Peter Rubtzoff 1953-11-1 1446 Sonoma South of Guerneville (Neeley Hill area) Comment
  RSA695687  Eriophyllum staechadifolium J. Russell Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  RSA719882  Eriophyllum staechadifolium Linda E. Watson 1996-5-19 s.n. Sonoma At Bodega Bay, 2 miles N of Salmon Creek, Bodega Bay Population of Clausen, keck, and Heisey studies on ecotypes. Comment
  UCD103129  Erodium brachycarpum John Thomas Howell 1957-10-12 33002 Sonoma About 1 mile SW of Sonoma. Comment
  JEPS117128  Erodium moschatum Peter Warner 2010-3-29 124 Sonoma 1670 Bloomfield Road, approx. 3 km S of center Sebastopol, throughout property. Comment
  UC1365627  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1958-7-19 3769 Sonoma e. Sebastopol (Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  RSA227227  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1966-8-25 5805 Sonoma Laguna de Santa Rosa Comment
  RSA93411  Eryngium aristulatum var. aristulatum Milo S. Baker 1954-8-12 13036 Sonoma Coney Lake Kenwood on Coney Ranch Comment
  HSC92211  Eryngium armatum A. T. Austin 1990-5-23 Sonoma Fort Ross State Park, FR 42 Comment
  JEPS84389  Eryngium armatum Roger Raiche 1989-6-4 90151 Sonoma n. Healdsburg (between Simi winery and the dump) Comment
  UC1931038  Eryngium constancei G. F. Hrusa 1996-10-5 13582 C Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m SW of Calistoga. 700 Comment
Read comments Jan 8 2013
  UCD127468  Eryngium constancei G. F. Hrusa 1997-7-5 14010 Sonoma approximately 200 meters west of Highway 128 in drainage of Blossom Creek, 2km. northwest of Tubbs Lane int. 200 Comment
Read comments Dec 30 2014
  SEINET8255128  Erythranthe microphylla Unknown 1940-5-21 25883 Sonoma Route 28. 183 Comment
  CAS-BOT-BC502683  Erythronium californicum Volney Rattan 1877-6-25 s. n. Sonoma near Cloverdale Comment
  CAS-BOT-BC502684  Erythronium californicum Miss McCracken 1901-4-1 s. n. Sonoma Unspecified Comment
  UCD139635  Erythronium californicum R. E. Preston 1996-4-22 929 Sonoma 5.7 miles southeast of Hopland, on north ridge of Salt Canyon. 609 Comment
  POM266133  Erythronium helenae Elmer I. Applegate 1934-3-25 s.n. Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 610 Comment
  CAS-BOT-BC402861  Eschscholzia caespitosa W. R. Ernst 1959-5-3 543 Sonoma About 1 mile southeast of Rionido Comment
  CAS-BOT-BC403700  Eschscholzia californica Alice Eastwood 1921-5-8 10468 Sonoma Petaluma Comment
  CAS-BOT-BC403701  Eschscholzia californica Alice Eastwood 1915-6-29 4823 Sonoma Bodega Point Comment
  UC10022  Eschscholzia californica Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UCD95274  Eschscholzia californica Chris Bowen 1974-5-19 135 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  OBI69875  Eucalyptus globulus Jenn Yost and Matt Ritter, Matt Ritter 8-Apr 51 Sonoma 25200 Asti Rd between Cloverdale & Gyserville Comment
  CAS-BOT-BC202773  Euonymus occidentalis H. L. Mason 1925-11-26 2497 Sonoma Near Monte Rio Comment
  RSA135387  Euonymus occidentalis Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  JEPS9606  Euonymus occidentalis var. occidentalis Miss Mabel White Sonoma Russian R., Camp Meeker Comment
  UC869900  Euonymus occidentalis var. occidentalis K. Wagnon May 1939 220 Sonoma 5 mi. w. of Sebastopol (1/8 mi. n.e. of Wagnon Ranch, along Jonive Creek) Comment
  JEPS51865  Euphorbia crenulata W. L. Jepson 1923-6-28 10012 Sonoma Kenwood Sonoma Canyon (Sonoma Canyon) 243 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
  HSC7992  Euphorbia peplus S. N. Wiemeyer 1962-1-27 1 Sonoma Santa Rosa, on the S.R. Junior College Campus. Comment
  UCD158779  Eurybia radulina James A. Neilson Jr. 1974-8-19 2850 a Sonoma Mayacmas Mountains, Geyser Rock. West of Whispering Pines, in the vicinity of the boundary line of Sonoma and Lake Counties. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  UCR255678  Euthamia occidentalis Greg de Nevers 2002-9-9 12841 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 366 Comment
  CAS-BOT-BC310739  Euthamia occidentalis W. Knight; I. Knight 1984-8-26 5428 Sonoma Willow Cr. Road 60 Comment
  RSA0025193  Euthamia occidentalis Peter Rubtzoff 1969-8-26 6155 Sonoma Marsh on River Road ca. 3 mi west of Fulton. Comment
  CAS-BOT-BC371457  Festuca Greg de Nevers 1989-4-1 9062 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UC1011030  Festuca californica Virginia Bufford 1936-5-20 335 Sonoma 5 mi from Kellogg (Kellogg-Mark West Rd) Comment
  CAS-BOT-BC283183  Festuca californica subsp. californica G. DeNevers 1981-6-15 1543 Sonoma Along the stream down from the Rogers Apple Orchard, Pepperwood Ranch Comment
  CAS-BOT-BC283184  Festuca californica subsp. californica G. DeNevers 1981-5-23 1293 Sonoma Lower Pepperwood entrance, Pepperwood Ranch Comment
  CAS-BOT-BC278393  Festuca elmeri Greg de Nevers 1987-6-1 8187 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC278394  Festuca elmeri Greg de Nevers 1987-6-1 8187 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  UCD65939  Festuca elmeri H. S. Yates 1937-5-31 6564 Sonoma 1 mile WSW of Petrified Forest 274 Comment
  SEINET10559306  Festuca occidentalis A. Arthur Heller 1902-4-4 Heller 5221 Sonoma Hills near Santa Rosa. Comment
  CAS-BOT-BC279078  Festuca rubra Peter Rubtzoff 1951-9-15 758 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  UC1023596  Festuca rubra Virginia Bufford 1936-5-20 324 Sonoma 3 mi from Kellogg (Kellogg Mark West Rd) Comment
  CAS-BOT-BC279077  Festuca rubra Peter Rubtzoff 1951-6-7 142 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  SEINET11690155  Festuca rubra W. Knight, Knight, I.; Howell, J. T. 1987-1 6276 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC353383  Filago Peter Rubtzoff 1974-5-26 7490 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC353384  Filago Peter Rubtzoff; Nancy Harrison 1974-7-13 7670 Sonoma Upper Green Valley Marsh. Comment
  UC1085318  Fragaria vesca H. W. Frazier 1949-6-19 Sonoma Mount Veeder Comment
  CAS-BOT-BC53273  Frangula californica subsp. californica Walter Knight; Irja Knight 1963-9-15 288 Sonoma Los Alamos Rd, Santa Rosa Comment
  CAS-BOT-BC53284  Frangula californica subsp. californica John H. Thomas 1976-6-16 18298 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC217875  Fraxinus latifolia Greg de Nevers 1981-4-11 711 Sonoma Creek in grazed pastrue 100 yard up-stream of Green Gate, Pepperwood Ranch Comment
  CAS-BOT-BC218580  Fraxinus latifolia A. A. Heller; H. E. Brown 1902-3-24 5140 Sonoma Hills East of Santa Rosa Comment
  CAS-BOT-BC218581  Fraxinus latifolia Walter Knight; Irja Knight 1963-10-27 446 Sonoma Spring Mt. Road Comment
  CAS-BOT-BC130181  Fritillaria affinis A. A. Heller; H. E. Brown 1902-3-25 5148 Sonoma Near Mark West Springs Comment
  UC843892  Fritillaria affinis Alice Eastwood 1918-5-1 6858 Sonoma Mount St. Helena Comment
  SEINET12048685  Fritillaria affinis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -155 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  UCD121623  Galium aparine Erik Beever 1993-5-8 222 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 365 Comment
  UCD121640  Galium aparine Frederica Bowcutt 1994-6-12 1851 b Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Pony Gate Trail along east west trending stretch before entering oak woodland, out of view of kiosk and campground. 420 Comment
  UCR255647  Galium murale Greg de Nevers 1993-3-30 10338 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  RSA47580  Galium muricatum L. Beane, Lois E. James 1948-5-11 2071 Sonoma Between Fort Rose and Jenner. Comment
  UCD121890  Galium porrigens P. G. Connors 1992-5-8 247 Sonoma Near rock outcrop on hillside. Comment
  JEPS52966  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3904 Sonoma hillside above Austin Creek (neat the head, on King Mountain Rd) Comment
  UC473570  Galium porrigens var. porrigens John Thomas Howell 1930-6-8 5263 Sonoma 1 mi e Bodega Bay Comment
  RSA264739  Galium triflorum Peter Rubtzoff 1954-8-2 1616 Sonoma Duncans Mills Marsh. Comment
  JEPS117099  Gamochaeta pensylvanica Peter Warner 2010-7-12 177 Sonoma Jenner Headlands, main dirt road, about 300 m W of jct. with east ridge road to Parmeter Ranch, on ungraded roadside. Comment
  UCD166078  Gamochaeta purpurea Peter Rubtzoff 1971-6-5 6519 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC303502  Gamochaeta ustulata Peter Rubtzoff 1951-6-30 303 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC182163  Garrya fremontii Walter Knight; Irja Knight 1964-1-17 514 Sonoma Upper Hooker Canyon. Cavedale Rd. Comment
  CAS-BOT-BC182164  Garrya fremontii Walter Knight; Irja Knight 1963-12-27 466 Sonoma Summit, Pine Flat Rd. Comment
  UC1023580  Gastridium ventricosum Virginia Bufford 1936-5-21 361 Sonoma Geysers-Cloverdale Rd. Comment
  UCR248771  Gastridium ventricosum Peter Rubtzoff 1972-6-29 6798 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC193256  Genista monspessulana Walter & Irja Knight 1990-5-1 6591 Sonoma Calistoga Road near junction of Porter Creek Road. 182 Comment
  UCD105735  Genista monspessulana D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. 760 Comment
  UC1051644  Gentiana sceptrum Peter Kamb 1950-6-16 1862 Sonoma 1 mi n Sousa Corners (nw of Sebastopol); Pitkin Marsh Comment
  POM312857  Gentiana sceptrum H. L. Mason 1946-7-4 12891 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  CAS-BOT-BC257348  Geranium Peter Rubtzoff 1971-6-25 6564 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UCR222558  Geranium robertianum George K. Helmkamp, E. A. Helmkamp 2010-6-5 16239 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  UCD168062  Gilia James Neilson 1977-8-10 3955 Sonoma Mayacmas Mountains. Klau Mine, Apple Tree Ck at the 'Orchard'. Turner Flat. (Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA74042  Gilia capitata Anonymous 1947-5-12 11767 Sonoma southwest slope of Hood Mt. near base of Sugar Loaf. 457 Comment
  UC1299523  Gilia capitata subsp. capitata Freed W. Hoffman 1946-6-14 595 Sonoma Wild Hog Ridge North Coast Ranges, Mill Creek, Palmer Creek branch (headwaters Mill Creek, Palmer Creek branch) Comment
  CAS-BOT-BC225283  Gilia capitata subsp. chamissonis A. A. Heller; H. E. Brown 1902-5-27 5616 Sonoma Bodega Bay Comment
  CAS-BOT-BC225284  Gilia capitata subsp. chamissonis A. A. Heller; H. E. Brown 1902-5-27 5616 Sonoma Bodega Bay Comment
  CAS-BOT-BC225286  Gilia capitata subsp. chamissonis Alice Eastwood 1915-6-29 4824 Sonoma Bodega Point Comment
  UCD117702  Gilia capitata subsp. chamissonis Ann F. Johnson 1979-7-2 s.n. Sonoma Bodega Dunes State Park. Comment
  UCD117705  Gilia capitata subsp. chamissonis Eric S. Ngay 1990-5-18 7 Sonoma Bodega Head, first dune ridge west of harbor along road, east of marine lab dorms, Bodega Bay. Comment
  UC931985  Gilia capitata subsp. tomentosa Verne Grant, Alva Grant 1948-7-7 8596 Sonoma on Sebastopol - Bodega Bay road 2.6 mi e Bodega; e of Bodega on Sebastopol - Bodega Bay road Comment
  UCR50513  Gilia leptalea L. F. LaPre, K. Campbell 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
  UC133787  Gilia millefoliata Alice Eastwood Sonoma Bodega Point Comment
  RSA51328  Gilia tricolor P. H. Raven 1950-4-6 1604 Sonoma Lower slopes of Rincon Ridge, 4 miles from Santa Rosa to Sonoma. 244 Comment
  UCD117975  Gilia tricolor subsp. tricolor Frederica Bowcutt; Adam Green 1994-5-21 1799 Sonoma Sugarloaf Ridge State Park, about 50 air miles north of San Francisco, about 10 air miles east of Santa Rosa, about 1.5 air miles north of Kenwood, about 18 air miles NW of Napa. Along meadow trail approx. 0.25 mile from trailhead. 396 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
  SEINET10972190  Githopsis specularioides A. Arthur Heller, H. E. Brown 1902-4-16 Heller 5308 Sonoma Fields east of Santa Rosa Comment
  SD88302  Glebionis segetum Darley F. Howe 1972-4-30 Sonoma Bodega Bay Comment
  RSA234555  Glinus lotoides Peter Rubtzoff 1966-9-25 5825 Sonoma Laguna de Santa Rosa east of Grafton, betw. Occidental and Guerneville Rds. Comment
  CAS-BOT-BC227642  Glyceria Peter Rubtzoff 1964-6-24 5382 Sonoma Coleman Marsh. 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
  RSA786497  Glyceria declinata Peter Rubtzoff 1971-6-26 6573 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC282818  Glyceria leptostachya John Thomas Howell 1947-6-5 23230 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC282819  Glyceria leptostachya John Thomas Howell 1945-8-14 21390 A Sonoma Perry Marsh Comment
  RSA94258  Glyceria leptostachya Peter Rubtzoff 1951-6-17 285 Sonoma Northern half of Lower Marsh; Pitkin Marsh, near Forestville. Comment
  RSA94606  Glyceria leptostachya Peter Rubtzoff 1952-5-31 1120 Sonoma Pitkin Marsh, near Forestville, northern half of Lower Marsh Comment
  CAS-BOT-BC173582  Gnaphalium Peter Rubtzoff 1971-10-11 6720 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD166308  Gnaphalium Peter Rubtzoff 1966-8-29 5815 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166678  Gnaphalium chilense Peter Rubtzoff 1954-9-4 1725 Sonoma Bodega Head Marsh. Comment
  UCD131650  Gnaphalium palustre Frederica Bowcutt 1984-6-23 442 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg on the Sonoma County coast. North of Gerstle Cove CA. 1/2 mile. 15 Comment
  CAS-BOT-BC166782  Gnaphalium palustre Peter Rubtzoff 1969-10-29 6202 Sonoma River Road, 3 miles west of Fulton. Comment
  RSA785847  Gnaphalium palustre Peter Rubtzoff 1969-10-29 6202 Sonoma River Road, 3 mi W of Fulton Comment
  CAS-BOT-BC166965  Gnaphalium purpureum Peter Rubtzoff 1977-9-4 9131 Sonoma Cunningham Marsh area, along a northern tributary of Blucher Creek, ca. 1 air mile WSW of Cunningham Station. Comment
  CAS-BOT-BC251303  Gratiola ebracteata Peter Rubtzoff 1961-7-22 4664 Sonoma Bennett Mountain Lake. Comment
  JEPS87218  Gratiola ebracteata Jack and Betty Guggolz 1992-5-6 1280 Sonoma about 1 1/4 mi nw Windsor 42 Comment
  UCR242983  Gratiola ebracteata Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  CAS-BOT-BC251304  Gratiola ebracteata Peter Rubtzoff 1963-6-18 5176 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC305180  Grindelia hirsutula J. T. Howell 1930-6-8 5223 Sonoma 8 mi. west of Petaluma Comment
  CAS-BOT-BC305181  Grindelia hirsutula J. T. Howell 1930-7-13 5338 Sonoma Black Point Road Comment
  JEPS41910  Grindelia hirsutula W. L. Jepson 1931-7-19 15949 Sonoma sea bluffs just n Salmon Creek Comment
  UC196832  Grindelia hirsutula J. W. Congdon 1881-5-23 Sonoma Petaluma Comment
  UC762573  Grindelia hirsutula R. F. Hoover 5306 Sonoma Occidental Comment
  SEINET10724137 Image available Grindelia hirsutula John Thomas Howell 1930-6-8 Howell 5221 Sonoma 8 miles west of Petaluma. Clay soil. Comment
  UC1714869  Grindelia hirsutula Max P. Dunford 1959-10-3 559 Sonoma 1.8 mi NE of on Mark West Springs Road Mark West Springs Comment
  CDA20573  Grindelia stricta R. Breckenridge, Vernon 2005-8-2 PDR 1351652 Sonoma North Coast; Hwy 1 near Ft Ross. 0 Comment
  POM225966  Grindelia stricta var. platyphylla P. A. Munz 1936-8-7 14306 Sonoma 2 miles north of Bodega. Comment
Read comments Feb 6 2013
  UC30652  Harmonia nutans F. T. Bioletti 1892-5-15 Sonoma Hood's Peak; ; Hood's Peak, Sonoma Co. Comment
  UC894090  Harmonia nutans Alice Eastwood 1915-5-1 6842 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC302249  Harmonia nutans F. G. Krauss 1895-5-6 s.n. Sonoma Mountain near Franze [Franz] & Knights Valleys Comment
  CAS-BOT-BC306331  Hedypnois cretica Ella Dales Cantelow 1941-4-14 3509 Sonoma Mouth of Salmon Creek nr. ocean Comment
  CAS-BOT-BC306330  Hedypnois cretica E. (Gene) Lagel 1974-4-14 s.n. Sonoma Annadel Farms State Park near Santa Rosa Comment
  CAS-BOT-BC306769  Helenium bigelovii Peter Rubtzoff 1951-6-7 114 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  POM260541  Helenium puberulum Roxana S. Ferris 1937-8-18 9374 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  UCD132968  Helminthotheca echioides H. S. Yates 1935-10-3 5343 Sonoma Santa Rosa. Comment
  UCD165329  Hemizonia Peter Rubtzoff 1973-8-27 7260 Sonoma Upper Green Valley Marsh area. Comment
  UCD166135  Hemizonia Peter Rubtzoff 1969-5-11 6031 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC258395  Hemizonia Peter Rubtzoff 1974-5-18 7422 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC261641  Hemizonia Peter Rubtzoff 1957-8-17 3520 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC268068  Hemizonia Peter Rubtzoff 1971-9-30 6710 Sonoma Laguna, Chileno Valley. Comment
  POM362216  Hemizonia Christopher Davidson 1977-6-20 6009 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  POM118169  Hemizonia congesta H. M. Hall 1916-6-23 257 Sonoma 12 km NW of Petaluma. Comment
  UCR21599  Hemizonia congesta O. F. Clarke 1966-8-16 s.n. Sonoma North Coast Ranges, Healdsburg, farm of V. Brown Comment
  UC990631  Hemizonia congesta subsp. clevelandii James I. McMurphy 1909-7-10 502 Sonoma hills near Cloverdale Comment
  UCSC000757  Hemizonia congesta subsp. clevelandii M. Alice King October 1896 s.n. Sonoma near Healdsburg Comment
  CAS-BOT-BC306160  Hemizonia congesta subsp. clevelandii James McMurphy 1908-9-27 s.n. Sonoma Between Fulton and Sebastopol Comment
  SD62035  Hemizonia congesta subsp. clevelandii Darley F. Howe 1965-8-14 Sonoma East of Santa Rosa. 120 Comment
  UC952862  Hemizonia congesta subsp. congesta Milo S. Baker 1945-8-14 11153 Sonoma 2 mi n Sebastopol (drier ground of marsh); Perry Marsh Comment
  CAS-BOT-BC306216  Hemizonia congesta subsp. congesta H. M. Hall 1916-7-23 10241 b Sonoma Near Petaluma (6 mi. n.w.) Comment
  UCD132982  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-4-25 1037 Sonoma approximately 1/4 mile north of Arata Lane and between Hwy 101 and Old Redwood Highway. Comment
  UCD132985  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-6-16 1063 Sonoma north side of Occidental Road and Facendini Lane. Comment
  CAS-BOT-BC309732  Hemizonia congesta subsp. lutescens Roxana S. Ferris; Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental Road with Facendini Lane Comment
  JEPS86807  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1991-6-4 1172 Sonoma 0.25 mi s of the end of Meyers Grade (found on the w side of Hwy 1) 182 Comment
  UC1392842  Hemizonia congesta subsp. lutescens R. F. Hoover 1969-8-31 11567 Sonoma near Petaluma; Adobe Road and Casa Grande Road Comment
  UC201240  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-23 Sonoma 8 mi w Petaluma Comment
  UC473562  Hemizonia congesta subsp. lutescens John Thomas Howell 1930-7-27 5411 Sonoma 4 mi n Bodega Bay Comment
  UC897704  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-10-1 6052 Sonoma along College Ave. Hwy., the Laguna border Comment
  UC990585  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-5-28 Sonoma 1 mi w Santa Rosa Comment
  CAS-BOT-BC309689  Hemizonia congesta subsp. lutescens Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5841 Sonoma Llano Road. Near sewage disposal plant at Laguna de Santa Rosa Comment
  CAS-BOT-BC309709  Hemizonia congesta subsp. lutescens James McMurphy 1908-9-27 s.n. Sonoma Between Fulton and Sebastopol Comment
  HSC5815  Hemizonia congesta subsp. luzulifolia L. S. Rose 1964-8-26 64064 Sonoma 6.5 mi. NE of Penngrove 427 Comment
  OBI16224  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1966-7-17 9916 Sonoma Sausal crk N of Alexander Valley Comment
  CAS-BOT-BC309959  Hemizonia congesta subsp. luzulifolia Walter Knight; Irja Knight 1963-9-15 301 Sonoma Unspecified Comment
  CDA29448  Hemizonia fitchii Unknown 2009-6-25 PDR# 1535007 Sonoma In the vicinity of Santa Rosa. 0 Comment
  RSA81567  Hemizonia lutescens James I. McMurphy 1909-8-9 714 -B Sonoma 4.5 miles S of Santa Rosa. Comment
  RSA81630  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-8-7 699 Sonoma 7 miles from Santa Rosa on road to Calistoga, Comment
  SEINET11843059  Hemizonia pungens W. Knight, Knight, I. 1984-1 5422 Sonoma Willow Creek Rd 61 Comment
  OBI7229  Hesperocyparis sargentii H. E. McMinn 1936-4-5 4405 Sonoma 2 mi N of Occidental Comment
  RSA151707  Hesperolinon clevelandii H. K. Sharsmith 1947-5-30 3966 Sonoma Southern slope of Hood Mountain, volcanic rock, altitude 800 feet, near Grant line. 244 Comment
  UC1212387  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-18 4126 Sonoma n of Pine Flat (slopes above Florence Creek); Inner North Coast Ranges, Mayacamas Mountains, Florence Cree 670 Comment
  CAS-BOT-BC371405  Heterocodon rariflorum Greg de Nevers 1993-4-29 10418 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Devils' Kitchin. 457 Comment
  UC688921  Heterotheca grandiflora Freed Hoffman 1943-12-1 Sonoma near Guerneville (Northwood); Russian River Comment
  CDA7880  Heterotheca oregona var. rudis T. R. Haig 1959-11-4 Sonoma 5 miles north of Cloverdale. 0 Comment
  CAS-BOT-BC420945  Heuchera micrantha var. diversifolia G. DeNevers 1981-6-6 1464 A Sonoma Pepper wood Ranch. Woodland on N slope of Telegraph Hill Comment
  CAS-BOT-BC424179  Heuchera micrantha var. erubescens Volney Rattan 1877-6-16 s.n. Sonoma Guerneville Comment
  UC570889  Heuchera micrantha var. erubescens H. L. Mason June 1930 5665 Sonoma mouth of Gualala River Comment
  UC858023  Heuchera micrantha var. erubescens Alice Eastwood 1915-6-5 4577 Sonoma Petrified Forest Comment
  CAS-BOT-BC319707  Hieracium albiflorum Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 3 miles east of Stewart's Point Comment
  CAS-BOT-BC319709  Hieracium albiflorum Volney Rattan 1877-6-15 s.n. Sonoma Guerneville Comment
  CDA31348  Hieracium albiflorum D. G. Kelch, Ed Biffin 2010-5-3 10 .196 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UC75913  Hieracium albiflorum Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  RSA143957  Hierochloe occidentalis Roxana S. Ferris, Laura Lorraine 1961-6-14 13538 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  UC39803  Hierochloe occidentalis J. Burtt Davy 1896-7-21 Sonoma near Duncan's Mills Comment
  CAS-BOT-BC280796  Holcus lanatus Roxana S. Ferris; Laura Lorraine 1961-6-14 13543 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  POM274868  Holodiscus discolor Lyman D. Benson 1928-6-25 351 Sonoma Cloverdale-Hopland, Russian River. 457 Comment
  POM91554  Holodiscus discolor Marcus E. Jones 1882-7-18 3579 Sonoma Duncan's Mills. Comment
  UCD113344  Holodiscus discolor Frederica Bowcutt 1996-5-23 2148 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 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon at toe of Sugarloaf Ridge just S of campground on rocky slope. 377 Comment
  RSA0026176  Holodiscus dumosus Barbara Ertter, Roger Raiche, J. R. Shevock, R. Bittman 1994-6-23 12850 Sonoma The Cedars' serpentine area at head of Big Austin Creek N of Cazadero, ca. 20 air miles due W of Healdsburg. South branch of creek. Comment
  CAS-BOT-BC166675  Holozonia filipes Peter Rubtzoff; Nancy Harrison 1976-6-18 8646 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC166677  Holozonia filipes Peter Rubtzoff 1971-7-20 6602 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  JEPS6227  Holozonia filipes Milo S. Baker 1954-8-12 13034 Sonoma 2 mi nw Kenwood (Coney Ranch); Coney Lake 365 Comment
  CAS-BOT-BC289289  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1954-6-20 1505 Sonoma Guerneville Marsh Comment
  UCD85528  Hordeum brachyantherum subsp. californicum Beecher Crampton 1959-6-16 5385 Sonoma 1 mile E of Occidental. Comment
  SEINET10927332  Hordeum jubatum Alan A. Beetle, G. Ledyard Stebbins Beetle 3577 Sonoma Corner of Wright Road & Rt. 12 in outskirts of Santa Rosa, open field, clay loam. 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-BC285189  Hordeum marinum subsp. gussoneanum A. A. Heller 1902-6-4 5636 Sonoma Santa Rosa Comment
  UC72982  Horkelia californica Miss M. Alice King 1897-5-1 Sonoma near Healdsburg Comment
  RSA298961  Horkelia tenuiloba Edward Lee 1936-6-7 2200 Sonoma Hear Highpoint, on the fire trail, Bohemian Grove Comment
  CAS-BOT-BC146506  Horkelia tenuiloba Mr. Floyd Bailey; Mrs. Floyd Bailey 1925-4-26 96 a - local Sonoma Plantation Comment
  UCD106019  Hosackia gracilis Freed W. Hoffman 1947-4-22 626 Sonoma Roadside between Sebastopol and Petaluma. Comment
  CDA38357  Hydrocotyle ranunculoides D. E. Bayer 1960-9-29 s.n. Sonoma Santa Rosa City disposal plant. 0 Comment
  CAS-BOT-BC316679  Hypochaeris glabra Peter Rubtzoff 1952-5-31 1101 Sonoma Upper Marsh Comment
  CAS-BOT-BC316677  Hypochaeris glabra Peter Rubtzoff; H. A. Froebe 1971-5-30 6500 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road Comment
  UCD133363  Hypochaeris glabra Gerry North 1993-4 26 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At first pullout on right after Pony Gate Gulch Creek by hig rock. 304 Comment
  CAS-BOT-BC316715  Hypochaeris radicata Peter Rubtzoff 1951-7-8 396 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC316717  Hypochaeris radicata John H. Thomas 1976-6-16 18270 Sonoma Southern part of Sea Ranch, northwestern part of county about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC316718  Hypochaeris radicata Walter Knight; Irja Knight 1963-12-28 479 Sonoma Bodega Head Comment
  RSA0065196  Ipomoea mutabilis Greg de Nevers 1996-11-10 10893 Sonoma Santa Rosa, Sonoma Avenue. 31 Comment
  UC571178  Iris douglasiana H. L. Mason Jun 1930 5662 Sonoma Mouth of Gualala River Comment
  HSC13855  Iris douglasiana James Faro 1962-4-14 20 Sonoma Salt Point Ranch, 5 mi. N of Fort Ross on Hwy. 1 Comment
  SEINET12050753  Iris douglasiana F. H. Utech 1988-1 88 -183 Sonoma 0.15 mi SE from East Avenue junction with Bohemian Road on latter 140 Comment
  RSA137360  Iris fernaldii Lee W. Lenz, E. K. Balls 1951-5-3 16401 Sonoma About 1 mile east from Petrified Forest on road to Calistoga 610 Comment
  UCD138723  Iris fernaldii Erik Beever 1993-5-8 227 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. Pony Gate Trail. 365 Comment
  UC972202  Iris longipetala J. Harry Goff 1935-4-25 Sonoma Kenwood; Goff Ranch Comment
  CHSC22983  Iris macrosiphon Robert A. Schlising; Et al 1962-3-31 2115 Sonoma Along Cavedale Road, NE of Agua Caliente. Comment
  UCD55146  Iris macrosiphon Ellen Dean; Tammie Beyerl 2006-4-28 3028 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 254 Comment
  RSA135931  Iris macrosiphon E. K. Balls, Lee W. Lenz 1951-5-10 16535 Sonoma 0.3 miles south of Mendocino-Sonoma Co. line on Hwy 28. Comment
  RSA488797  Iris macrosiphon James L. Reveal 1988-6-1 6975 Sonoma Along Geysers Road, 13.2 mile north of California Highway 128 and 14.8 miles east of U.S. Highway 101, 0.8 mile south of the turnoff to Geysers Resort, about 16.5 miles east of Cloverdale 640 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
  CAS-BOT-BC164686  Isoetes Peter Rubtzoff 1971-9-30 6714 Sonoma Spring Creek Reservoir area. Comment
  CAS-BOT-BC57736  Isoetes howellii Peter Rubtzoff 1963-6-22 5188 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC57739  Isoetes howellii John Thomas Howell 1934-3-27 11805 Sonoma Summit of Bennett Valley road from Glen Ellen to Santa Rosa Comment
  CAS-BOT-BC61916  Isoetes nuttallii John Thomas Howell 1937-6-6 13028 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC61919  Isoetes nuttallii John Thomas Howell 1937-6-6 13029 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC61923  Isoetes nuttallii Peter Rubtzoff 1951-6-7 138 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC112417  Isolepis carinata Peter Rubtzoff; Hans A. Froebe 1971-5-30 6485 Sonoma Dry bed of vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC112415  Isolepis carinata Peter Rubtzoff 1974-5-19 7451 Sonoma Todd Road 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  SEINET11750612  Isolepis carinata H. K. Wagnon 1989-1 1871 Sonoma Ocean Bluff, Salt Pt. State Park 0 Comment
  CAS-BOT-BC112569  Isolepis cernua Peter Rubtzoff 1962-8-22 5059 Sonoma Bodega Bay Marsh. Comment
  CHSC91622  Isolepis cernua G. F. Hrusa 2000-11-13 15718 Sonoma Northern California. At base of ocean bluff. Kortum trail head to Goat Rock. Comment
  HSC85561  Isolepis cernua Robert A. Norris, John L. Inase, Allen Nakagawa, Willie J. Roberts, Michael Kurtz, Nelson R. Powers 1982-8-8 4434 Sonoma Near Goat Rock picnic area across mouth of Russian River from Jenner, Sonoma State Beach Comment
  CAS-BOT-BC340230  Jaumea carnosa W. M. Hiesey 1948-8-19 s.n. Sonoma 0.2 mi. north of Pigeon Point Lighthouse Comment
  CAS-BOT-BC340231  Jaumea carnosa J. W. Congdon 1880-6-1 s.n. Sonoma Petaluma Comment
  UCD142837  Juncus G. F. Hrusa; R. Gross 1996-6-30 13061 Sonoma 2 mi. SW of Calistoga. Diamond Mountain Road. 700 Comment
  UCD159763  Juncus James A. Neilson Jr. 1975-1-24 3165 Sonoma Mayacmas Mountains; Alder Creek drainage; Reservoir #2, Dominichelli Ranch. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  CAS-BOT-BC164643  Juncus Peter Rubtzoff 1964-7-29 5456 Sonoma Duncans Mills Marsh. Comment
  RSA0035351  Juncus balticus Peter Rubtzoff 1957-5-11 3333 Sonoma Occidental Marsh. Comment
  UCR250377  Juncus balticus Peter Rubtzoff 1955-7-24 1989 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC173567  Juncus bolanderi Peter Rubtzoff 1974-9-7 7882 Sonoma Hinebaugh Creek in Rohnert Park, creek bed east of Commerce Blvd. crossing Comment
  UCR252541  Juncus breweri Peter Rubtzoff 1954-8-3 1647 Sonoma Bodega Head Marsh 2 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
  SEINET6877095  Juncus bufonius W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 5 miles north of Fort Ross. Comment
  UCD141366  Juncus bufonius Frederica Bowcutt 1994-5-21 1840 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles N of Kenwood and 18 air miles NW of Napa. On Hillside Trail 1 mile from junction with Grey Pine Trail. Comment
  CAS-BOT-BC173568  Juncus bufonius var. congestus Peter Rubtzoff; Nancy Harrison 1974-9-7 7860 Sonoma Hinebaugh Creek in Rohnert Park. West of Commerce Blvd. crossing Comment
  RSA234552  Juncus dubius Peter Rubtzoff 1960-6-9 4490 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  CAS-BOT-BC157996  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5902 Sonoma Lichan Marsh Comment
  CAS-BOT-BC227619  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5904 Sonoma Lichan Marsh Comment
  CAS-BOT-BC227620  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5907 Sonoma Lichan Marsh Comment
  UCD144658  Juncus effusus subsp. pacificus Frederica Bowcutt 1994-5-1 1781 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco,10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. Campground S of Sonoma Creek about 150 yards. 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  CAS-BOT-BC164050  Juncus effusus subsp. pacificus Peter Rubtzoff 1971-9-3 6693 Sonoma Sonoma: At edge of springy area along southeastern border of Spring Creek Reservoir Comment
  CAS-BOT-BC164051  Juncus hesperius Peter Rubtzoff 1970-9-3 6375 Sonoma Sonoma: Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing Comment
  UCR280132  Juncus hesperius Peter Rubtzoff 1970-9-3 6375 Sonoma Marsh off west side of Highway 1, 0.7 miles SE of Salmon Creek crossing 30 Comment
  CAS-BOT-BC322118  Juncus lescurii Peter Rubtzoff 1961-8-6 4676 Sonoma Americans Creek, 0.5 mi. east of Valley Ford. Comment
  RSA0031403  Juncus lescurii Peter Rubtzoff 1954-7-26 1554 Sonoma Coleman Marsh. Comment
  SEINET6744753 Image available Juncus lescurii S. Saufferer 1973-5-24 218 Sonoma Bodega Bay. Comment
  UCD19308  Juncus lescurii Terry Reedy 1974-5-11 207 Sonoma Bodega Head, in freshwater marsh. 6 Comment
  UCD141633  Juncus occidentalis Mary M. Hektner 1976-12-15 280 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET3880603  Juncus oxymeris M. L. Conrad, Dunn; LeDoux 1973-6-9 7081 Sonoma 0.6 mile west of Sonoma-Napa County Line on Hwy. 121.; 0 61 Comment
  UCD35656  Juncus patens Beecher Crampton 1959-6-16 5389 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  UCD35508  Juncus patens Beecher Crampton 1957-7-22 4389 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  CAS-BOT-BC173520  Juncus phaeocephalus Peter Rubtzoff; Nancy Harrison 1978-6-11 9204 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley Comment
  JEPS73357  Juncus phaeocephalus Edward Lee with Joe Ewan and Annetta Carter 1934-4-30 742 Sonoma 1 mi w Two Rock Junction Comment
  UC1601863  Juncus phaeocephalus State Survey 1890-1 Sonoma Cloverdale Comment
  UCD141767  Juncus phaeocephalus Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-24 55 A Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC173519  Juncus xiphioides Peter Rubtzoff; Nancy Harrison 1974-9-7 7871 Sonoma Hinebaugh Creek in Rohnert Park. Creek bed, west of Commerce Blvd. crossing 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
  CAS-BOT-BC235869  Keckiella corymbosa W. W. Carruth 1900-7-1 s.n. Sonoma Russian River near Cloverdale Comment
  UCR248901  Kickxia elatine Peter Rubtzoff 1971-8-9 6633 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC502599  Kopsiopsis strobilacea Greg de Nevers 1991-7-20 9759 Sonoma Mt. St. Helena 1310 Comment
  UC194415  Laennecia coulteri E. L. Greene 1888-9-1 Sonoma Santa Rosa Comment
  CAS-BOT-BC274320  Lagurus ovatus John H. Thomas 1976-6-15 18228 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UC790934  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mi N of Steward Pt Comment
  CAS-BOT-BC274319  Lagurus ovatus Mary P. Wells 1981-8-2 s.n. Sonoma Trail north of Crow's Nest and east of Spyglass Lane, The Sea Ranch Comment
  SJSU9868  Lagurus ovatus S. H. Casey 1969-5-13 238 Sonoma 3 mi N of Stewarts Point Comment
  UCD63406  Lamarckia aurea R. Tofsrud 1948-6-1 Sonoma NE Sonoma County. Comment
  POM230561  Lamium amplexicaule J. T. Howell 1937-4-11 12910 Sonoma M.S. Baker s place near Kenwood. Comment
  UCD124932  Lamium purpureum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 61 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 195 Comment
  JEPS83494  Lasthenia burkei Jack and Betty Guggolz 1985-5-7 832 703 B Sonoma n of Fulton (in the first swale e of the Freeway and s of Shilo Road) Comment
  JEPS83498  Lasthenia burkei Jack and Betty Guggolz 1986-5-7 866 Sonoma Carinalli property; pastureland near the far w end Comment
  UC1368686  Lasthenia burkei Peter Rubtzoff 1966-5-7 5716 Sonoma between Occidental and Guerneville roads e of Graton; Laguna de Santa Rosa Comment
  UC1594208  Lasthenia burkei L. Huntington 1990-5-12 260 Sonoma n side of Laguna de Santa Rosa; Sebastapol 18 Comment
  CAS-BOT-BC346334  Lasthenia californica John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53978 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles ne of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC385627  Lasthenia californica A. A. Heller; H. E. Brown 1902-4-11 5270 Sonoma Bodega Bay Comment
  CAS-BOT-BC346329  Lasthenia californica John H. Thomas 1976-6-15 18305 Sonoma Southern end of Sea Ranch, NW part of county, about 7 miles south of Gualala Comment
  CAS-BOT-BC346333  Lasthenia californica G. DeNevers 1982-4-18 1945 Sonoma Pepperwood Ranch. NW corner of Hansel's Property Comment
  JEPS82092  Lasthenia californica subsp. bakeri Rimo Bacigalupi 1961-5-21 7702 Sonoma on hill due e Bodega Bay Hill Road (head of gulch); Johnson Gulch Comment
  CAS-BOT-BC324405  Lasthenia californica subsp. macrantha J. Clausen 1935-5-24 1092 Sonoma 6.2 miles south of Jenner Comment
  UCD33659  Lasthenia californica subsp. macrantha Beecher Crampton 1971-6-6 8720 Sonoma Carmet, Sonoma Coast State Park. Comment
  CAS-BOT-BC355523  Lasthenia glaberrima Peter Rubtzoff 1963-6-6 5166 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC355524  Lasthenia glaberrima Peter Rubtzoff 1958-5-10 3654 Sonoma Laguna de Santa Rosa north of Cunningham (near Todd Road) Comment
  POM203664  Lasthenia glabrata subsp. glabrata J. T. Howell 1933-4-1 10925 Sonoma Petaluma Comment
  UC1028300  Lasthenia minor George B. Rossbach 1955-3-19 516 Sonoma sw end Bodega Head 30 Comment
  CAS-BOT-BC164646  Lathyrus Peter Rubtzoff 1971-5-30 6467 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD166119  Lathyrus Peter Rubtzoff 1972-5-25 6769 Sonoma Laguna, Chileno Valley. Comment
  UCD106212  Lathyrus cicera Christine Lee 1993-4-24 89 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. 411 Comment
  CAS-BOT-BC204993  Lathyrus jepsonii var. californicus Alice Eastwood; John Thomas Howell 1936-5-19 2523 Sonoma 2 miles n. of Windsor 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
  CAS-BOT-BC164644  Lathyrus tingitanus Peter Rubtzoff 1958-9-28 4018 Sonoma Guerneville region, Vacation Beach, near Guerneville. Comment
  NY15643  Lathyrus venosus var. californicus J. Torrey 1865-1 Sonoma Sonoma Valley Comment
  UCR37760  Lathyrus vestitus A. C. Sanders 1985-1-19 5372 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  CDA27146  Lathyrus vestitus var. ochropetalus G. D. Barbe 1982-5-27 3622 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment
  CAS-BOT-BC323252  Layia chrysanthemoides John Thomas Howell 1931-4-2 6048 Sonoma Boyes Springs Comment
  SEINET3071642 Image available Layia chrysanthemoides subsp. maritima J. C. Clausen 1935-5-24 1090 Sonoma 6.2 mi. S. of Jenner Comment
  UC57867  Layia platyglossa A. A. Heller 1903-4-23 6608 Sonoma Fort Ross Comment
  UC572646  Ledum glandulosum G. Thomas Robbins 1937-5-23 203 Sonoma Vine Hill Region, Pitkin Marsh Pitkin Marsh; Vine Hill Region, Pitkin Marsh Comment
  CAS-BOT-BC184129  Leersia Peter Rubtzoff 1965-10-17 5660 Sonoma Forest Hills (5.5 miles E of Guerneville) Comment
  CAS-BOT-BC274365  Leersia oryzoides Greg de Nevers 1992-6-26 10191 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. Franz Creek 91 Comment
  CAS-BOT-BC154154  Lemna Peter Rubtzoff 1965-11-9 5667 A Sonoma Laguna de Santa Rosa area, E of Graton (btwn. Occidental and Guerneville Roads). Comment
  UCD166259  Lemna Peter Rubtzoff 1970-8-18 6316 Sonoma 5 miles north of Sears Point. 11 Comment
  CAS-BOT-BC210106  Lemna Peter Rubtzoff 1968-6-25 5910 Sonoma Lichan Marsh. Comment
  CAS-BOT-BC344900  Lemna minor Peter Rubtzoff 1955-7-10 1958 Sonoma Duncans Mills Marsh. Comment
  UCR255076  Lemna minor Peter Rubtzoff 1958-8-31 3956 Sonoma Atascadero Creek Marsh 29 Comment
  UCR256959  Lemna minuta Peter Rubtzoff 1962-5-11 4815 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  UCR256273  Lemna valdiviana Peter Rubtzoff 1954-7-29 1612 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC339164  Leontodon saxatilis subsp. saxatilis Peter Rubtzoff 1951-7-8 394 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC339166  Leontodon saxatilis subsp. saxatilis Peter Rubtzoff 1951-7-21 501 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower marshes Comment
  JEPS63253  Lepechinia calycina Eleanor Armstrong 1932-5-29 515 Sonoma 3 miles North of Camp Meeker towards Monte Rio. 121 Comment
  UCR255725  Lepechinia calycina Greg de Nevers 1996-7-17 10857 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  CAS-BOT-BC173644  Lepidium Peter Rubtzoff 1965-8-22 5611 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville) Comment
  CAS-BOT-BC12657  Lepidium nitidum G. DeNevers 1982-3-28 1936 Sonoma Pepperwood Ranch. In the meadow by the Pepperwood barn. Comment
  POM144015  Lepidium nitidum A. A. Heller, H. E. Brown 1902-3-14 5054 Sonoma Near Santa Rosa Comment
  CAS-BOT-BC12759  Lepidium oxycarpum John Thomas Howell 1933-4-1 10924 Sonoma Petaluma. Comment
  CAS-BOT-BC12756  Lepidium oxycarpum David D. Keck 1931-4-1 996 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma). 10 Comment
  JEPS53734  Lepidium perfoliatum R. Kuhn Jun 1914 Sonoma near Sonoma (along the road at Buena Vista); Buena Vista Comment
  UCD115831  Lepidium strictum Frederica Bowcutt 1994-6-12 1843 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. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. ca. 20 ft.Trail head for Pony Gate trail near kiosk and visitor center. 411 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
  UCD161364  Leptosiphon acicularis James A Neilson Jr. 1976-5-5 3697 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road. Aidlin-Gloved Leasehold, alternate well site #2. (Coordinates and location estimated by label maker.) Comment
  CAS-BOT-BC226541  Leptosiphon acicularis F. P. Bailey 1925-4-26 85 Local Sonoma Geyserville Comment
  UCD158816  Leptosiphon androsaceus James A. Neilson Jr. 1974-4-17 2870 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  UCD118981  Leptosiphon parviflorus Frederica Bowcutt 1994-5-1 1788 Sonoma Sugarloaf Ridge State Park. About 50 air miles north of San Francisco. About 10 air miles east of Santa Rosa. About 1.5 air miles north of Kenwood. About 18 air miles northwest of Napa. South of Sonoma Creek about 125 yards, 0.25 mile northwest of confluence with Rattlesnake Creek. Comment
  CAS-BOT-BC342000  Lessingia ramulosa John Thomas Howell No date on label 2250 Sonoma SE. of Santa Rosa Comment
  CAS-BOT-BC342001  Lessingia ramulosa John Thomas Howell No date on label 2250 Sonoma SE. of Santa Rosa 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
  CAS-BOT-BC283531  Leymus X vancouverensis Peter Rubtzoff 1962-10-9 5119 Sonoma Near Highway 1 crossing of Salmon Creek near town of Salmon Creek Comment
  UCD64625  Leymus mollis P. G. Connors 1992-5-7 246 Sonoma near Mussel Point, overlooking Salmon Creek Beach. Comment
  OBI81570  Ligusticum apiifolium Tracey Call, Viola Call 1961-6-10 2070 Sonoma 1 mile north of Kruse Rhododendron State Park. 61 Comment
  IRVC1238007  Lilaea scilloides J. H. Weiler, D. Kaplan 1961-3-27 6163 Sonoma 4.4 miles north of Sears Point. Roadside ditch with running water along Highway 37. Comment
  SEINET3887045  Lilaea scilloides Lewis S. Rose 1962-4-11 62019 Sonoma Laguna de Santa Rosa 1/2 mi. e. of Cunningham marsh.; 0 15 Comment
  CAS-BOT-BC130826  Lilium pardalinum Peter Rubtzoff 1951-7-22 539 Sonoma Northern half of Lower Marsh Comment
  CAS-BOT-BC130835  Lilium pardalinum J. W. Congdon 1880-6-21 s.n. Sonoma Sebastopol Road Comment
  UC496430  Lilium rubescens Merle Randall 1930-6-11 Sonoma 2 mi from Cazadero (Christopher Ranch) 304 Comment
  CHSC22062  Limnanthes douglasii Robert A. Schlising 1962-3-31 2109 Sonoma Coast Ranges. Field. Comment
  JEPS19609  Limnanthes douglasii W. L. Jepson 1921-5-6 9187 Sonoma Porter Creek Comment
  RSA51321  Limnanthes douglasii Peter H. Raven 1980-4-6 s.n. Sonoma Vernal flats, Cotati to Santa Rosa. 30 Comment
  UC73451  Limnanthes douglasii subsp. douglasii Milo S. Baker Apr. 1899 Sonoma Santa Rosa to Stony Point (roadside) Comment
  RSA177974  Limnanthes douglasii subsp. nivea Robert F. Thorne 1965-4-19 34274 Sonoma Titus Ranch, Valley Ford. 18 Comment
  RSA52724  Limnanthes douglasii subsp. nivea I. L. Wiggins 1949-4-30 12064 Sonoma 4 miles W of Calistoga Comment
  NY37427  Limnanthes vinculans P. Rubtzoff 1962-5-11 4825 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
  UCD165771  Limosella Peter Rubtzoff 1973-8-27 7271 Sonoma Upper Green Valley Marsh area. Comment
  RSA800125  Limosella Peter Rubtzoff 1972-5-25 6751 Sonoma Laguna, Chileno Valley. Comment
  JEPS58111  Linanthus acicularis W. L. Jepson 1911-4-30 4182 Sonoma near Glen Ellen; Sonoma Valley Comment
  UC52794  Linanthus androsaceus Milo S. Baker 1898-4-5 Sonoma near Gualala River Comment
  JEPS58244  Linanthus bicolor M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma between Gurneville and Monte Rio; Russian River Comment
  UC908664  Linanthus jepsonii Herbert L. Mason 1940-5-21 12293 Sonoma Head of Maycama Creek Knights Valley Comment
  UC908795  Linanthus jepsonii Herbert L. Mason 1928-4-13 4339 Sonoma Reibli School, near springs Comment
  UCD123911  Linaria vulgaris G. Thomas Robbins 1958-8-11 3924 Sonoma along Estero Lane, a dirt road south of State Highway 1, about 2 miles south of the highway, west of the town of Bodega. Comment
  CAS-BOT-BC36013  Lithocarpus densiflorus var. densiflorus Peter Rubtzoff 1953-5-17 1388 Sonoma South of Guerneville (Neeley Hill area) Comment
  UCD102737  Lithophragma heterophyllum M. Wiesendanger 1927-5-5 735 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC437151  Lithophragma heterophyllum Mrs. Clara Hunt 1921-4-1 s.n. Sonoma Mt. St. Helena Comment
  UC581117  Logfia filaginoides H. L. Mason 1934-4-28 8062 Sonoma near Kenwood Springs (Baker's Ranch) Comment
  CAS-BOT-BC342498  Logfia gallica John Thomas Howell 1930-6-8 5236 Sonoma Bodega Road 3 miles east of Valley Ford Comment
  CAS-BOT-BC342495  Logfia gallica F. Almeda; G. DeNevers 1981-4-28 4915 Sonoma Pepperwood Ranch. Vicinity of the Bechtel cabin Comment
  CAS-BOT-BC342497  Logfia gallica G. DeNevers 1981-5-15 1192 Sonoma Pepperwood Ranch. Ridgetop W of Garrison House, beneath the high power electric lines Comment
  UC573663  Lolium temulentum H. S. Yates 1937-5-31 6560 Sonoma 1 1/2 mi wnw Mark West Springs; Calistoga Quadrangle Comment
  UCD66634  Lolium temulentum A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3570 Sonoma 9.1 miles northwest of Santa Rosa. Comment
  CAS-BOT-BC269193  Lolium temulentum K. Wagnon 1939-4-20 181 Sonoma Across the road from Santa Rosa Country Club, about 5 miles east of Santa Rosa Comment
  UCD167355  Lomatium californicum James Neilson 1981-5-28 4036 Sonoma Mayacmas Mountains. The Geysers. Vicinity of PG and E lookout. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1046220  Lomatium dasycarpum subsp. dasycarpum Lincoln Constance 1953-4-4 3448 Sonoma 1 mi. s.w. Petrified Forest (Mark West rd.) Comment
  RSA177898  Lomatium repostum R. F. Thorne 1965-4-20 34355 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  UCD144574  Lomatium repostum Frederica Bowcutt 1994-6-25 1922 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Brushy Peaks Trail about 1/4 mi E from Gray Pine Trail. 670 Comment
  UCD127806  Lomatium utriculatum Gerry North 1993-3 33 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At lower camping area. 50 meters east of foot bridge, across from dumpster. 365 Comment
  CAS-BOT-BC240645  Lonicera hispidula Walter Knight; Irja Knight 1963-9-15 294 Sonoma Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC240647  Lonicera hispidula A. A. Heller 1902-6-26 5767 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC240648  Lonicera hispidula Mrs. E. C. Sutliffe 1920-8-1 s.n. Sonoma Annapolis Comment
  POM46734  Lonicera involucrata A. A. Heller 1902-6-11 5690 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  UCD137392  Lonicera involucrata P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC243994  Lonicera involucrata var. ledebourii Alice S. M. McKenzie 1981-2-3 12 Sonoma Russian gulch near road E side of creek, N side of road, Calif Hwy 1 at marker, Coast between Russian and Gualala Rivers Comment
  CAS-BOT-BC293682  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rohnert Park., creek bed west of Commrece Blvd. crossing. Comment
  CAS-BOT-BC198577  Lotus C. F. L. 1890-7-1 s.n. Sonoma Bennet Valley Comment
  UC604131  Lotus angustissimus Milo S. Baker 1938-8-15 9229 Sonoma just beyong Wrights Beach (Coast Highway) Comment
  UC618378  Lotus angustissimus Milo S. Baker May 1935 8067 Sonoma n of Wrights Beach (Coast Highway) Comment
  CDA31015  Lotus crassifolius D. G. Kelch, Troy McGregor 2010-8-22 10 .346 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  UC15582  Lotus formosissimus Harley P. Chandler 1900-5-25 674 Sonoma Bodega Comment
  SEINET12154225  Lotus nevadensis var. douglasii Unknown 1936-1 13109 Sonoma nr Healdsburg Comment
  UC864759  Lotus purshianus var. purshianus Lewis S. Rose 1938-9-11 38255 Sonoma Bloomfield 30 Comment
  RSA0059082  Lotus subpinnatus Greg de Nevers 1992-5-2 10138 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd. Along Franz Creek. 91 Comment
  UC15702  Lotus wrangelianus Harley P. Chandler 1900-5-25 719 Sonoma Bodega Bay Comment
  SEINET3523654 Image available Lotus wrangelianus A. A. Heller 1937-5-1 16175 Sonoma Foot of the bluff north of Bodega Bay Comment
  SEINET6932589  Lotus wrangelianus W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 5 miles north of Fort Ross. Comment
  UCD66030  Ludwigia hexapetala B. J. Grewell 2006-7-21 06- 22 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Gallo's Laguna Ranch, downstream of Guerneville Rd Bridge/gaging stn. East of Hwy 116, Sebastopol across channel from Laguna Wastewater Treatment Delta Pond discharge. 16 Comment
  UCD66047  Ludwigia hexapetala B. J. Grewell; Keenan Foster 2005-9-14 05- 17 -LU Sonoma Russian River upstream of Cloverdale Airport. 79 Comment
  CAS-BOT-BC251206  Ludwigia palustris Peter Rubtzoff 1955-7-31 2008 Sonoma Forestville Marsh. Comment
  UC1191759  Ludwigia palustris Herbert L. Mason 1946-7-4 12886 Sonoma Pitkin Marsh between Santa Rosa and Forestville; Pitkin Marsh Comment
  UCR280189  Ludwigia palustris Peter Rubtzoff 1958-8-9 3858 Sonoma Laguna de Santa Rosa, north of Sebastopol, near Occidental Road 20 Comment
  UC727738  Lupinus affinis Milo S. Baker 1946-4-2 11304 Sonoma southern outskirts of El Verano ( along bank of winter stream at hwy. bridge) Comment
  SEINET10488357  Lupinus affinis Joseph W. Congdon 1880-5-22 Congdon UMO 42423 Sonoma Santa rosa road Comment
  UCD105999  Lupinus albifrons Collector Unknown Date Unknown s.n. Sonoma southwestern part of county. Comment
  SD130430  Lupinus albifrons var. albifrons F. Almeda, G. DeNevers 1981-4-28 4912 Sonoma Pepperwood Ranch: vicinity of the Bechtel cabin in and about serpentine chaparral. Comment
  JEPS64942  Lupinus arboreus W. L. Jepson 1931-7-19 15952 Sonoma near Markham; Russian River Comment
  LA205175  Lupinus arboreus J. A. Ewan; 1935-5-12 9231 Sonoma 1.5 mi. W of Bodega on Bodega Bay road Comment
  UC127548  Lupinus arboreus Setchell 1900-4-3 3 Sonoma Comment
  CHSC33094  Lupinus bicolor Jane A. Rogers 1979-4-14 4 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/2 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. 27 Comment
  UCR248892  Lupinus bicolor Peter Rubtzoff 1969-5-3 6020 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CDA27407  Lupinus bicolor G. D. Barbe, T. C. Fuller 1985-3-28 4197 Sonoma 6560 Sonoma Mountain Road, south of Santa Rosa. Comment
  CAS-BOT-BC311854  Lupinus bicolor subsp. tridentatus Peter Rubtzoff 1970-8-25 6340 Sonoma On Austin Creek beach, 0.5 miles north of Cazadero. Comment
  CAS-BOT-BC187860  Lupinus chamissonis Alice Eastwood 1915-6-29 4845 Sonoma Bodega Point Comment
  UCD107010  Lupinus chamissonis M. Barbour 1970-11-30 s.n. Sonoma Bodega Head. Comment
  SEINET10485253  Lupinus densiflorus var. palustris Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-8 Conrad 7076 Sonoma Roadside along hwy 1, 3.4 mi. N of jenner. 91 Comment
  UC1482882  Lupinus formosus D. B. Dunn, Conrad and LeDoux 1973-6-9 20712 Sonoma on 116, 5.3 mi e Jct of Hwy 101 and Hwy 116 Comment
  UCR255745  Lupinus latifolius Greg de Nevers 1998-4-28 11210 Sonoma North Coast Range, Cresta Ranch, Cresta Road east of Mark West Lodge, on flood plain of Mark West Creek 137 Comment
  UC424873  Lupinus microcarpus var. densiflorus Milo S. Baker 1930-4-16 4117 a Sonoma on the Lakeport Hiway a few mi e Hopland; e of Hopland Comment
  UCD108752  Lupinus microcarpus var. densiflorus R. Tofsrud 1948-5-1 s.n. Sonoma Cloverdale. Comment
  JEPS86765  Lupinus microcarpus var. microcarpus Jack and Betty Guggolz 1990-6-16 1065 Sonoma one mi nnw Camp Meeker (at the upper end of a reservoir on Grub Creek); Grub Creek 85 Comment
  UC725327  Lupinus microcarpus var. microcarpus A. A. Heller 1940-5-17 15637 Sonoma on State Highway #1, 2 mi w Valley Ford; w of Valley Ford Comment
  CDA27562  Lupinus nanus T. C. Fuller 1977-4-21 20191 Sonoma Church of Christ property, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  SEINET13184149 Image available Lupinus nanus A. G. Vestal 1955-5-7 s.n. Sonoma Comment
  CAS-BOT-BC311853  Lupinus polycarpus Peter Rubtzoff 1974-5-11 7394 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  RSA51315  Lupinus polycarpus Peter H. Raven 1950-4-6 1560 Sonoma Cotati to Santa Rosa. 30 Comment
  HSC14947  Lupinus succulentus R. Spellenberg, A. Sylvester, D. Sutherland 1966-3-26 1348 Sonoma 14 mi. W of Big Geysers (along Sulphur Creek) Comment
  RSA0036442  Lupinus variicolor Daisie Huang 2006-5-30 06053015 Sonoma Bodega Marine Laboratory. Coastal bluff near building. (waypt 30D). 2 Comment
  SBBG125951  Lupinus variicolor D. Huang 2006-5-30 06053006 Sonoma Bodega Marine Laboratory, coastal bluff near building 2 Comment
  UCD109667  Lupinus variicolor Eric Davidson 1972-5-27 391 Sonoma near University of California's Bodega Marine Lab, Bodega Head. Comment
  SEINET13198378 Image available Lupinus versicolor A. G. Vestal 1947-5-13 s.n. Sonoma Comment
  UCD160116  Luzula James A. Neilson Jr. 1973-6-3 2973 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
  UCD161823  Luzula comosa var. comosa James A. Neilson Jr. 1975-5-23 3217 Sonoma Truit Creek at Big Sulphur Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC376266  Lythrum hyssopifolia Greg de Nevers No date on label 10779 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Garrison Canyon, in headwaters of canyon west of house 487 Comment
  UCR218644  Lythrum hyssopifolia George K. Helmkamp, E. A. Helmkamp 2010-6-4 16209 Sonoma North Coast Ranges, Mark West Springs Road, 1.7 rd. miles east of US-101, 2.5 air miles NE (75 deg. ) of Fulton 63 Comment
  RSA0015995  Lythrum hyssopifolia Peter Rubtzoff 1956-9-15 2904 Sonoma Atascadero Creek Marsh. Comment
  RSA94298  Lythrum hyssopifolia Peter Rubtzoff 1951-8-18 621 Sonoma Uppermost part of the western branch of the upper. Comment
  SEINET12194751  Lythrum hyssopifolia W. Knight, Knight, I.; Knight, T. 1985-1 5145 Sonoma in Knight's garden, Petaluma Comment
  CAS-BOT-BC344040  Madia elegans David D. Keck 1933-11-6 2646 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  CAS-BOT-BC344041  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi. N. of Occidental Comment
  UC584182  Madia elegans J. Clausen 1935-5-24 1081 Sonoma 2 mi w Monte Rio (on the road to Jenner) Comment
  CAS-BOT-BC343468  Madia gracilis D. E. Breedlove 1983-5-4 58701 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC343465  Madia gracilis G. DeNevers 1981-5-15 1217 Sonoma Pepperwood Ranch. Near base of Hansel's driveway Comment
  CAS-BOT-BC343467  Madia gracilis G. DeNevers 1981-5-30 1341 Sonoma Pepperwood Ranch. In creekbed N of Hansel's corral Comment
  SD56776  Madia gracilis Darley F. Howe 1963-5-23 Sonoma 2.8 miles north of Cloverdale on #128 245 Comment
  UCD132825  Madia gracilis Frederica Bowcutt 1994-5-21 1832 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles NW of Napa, 1.5 air miles NE of Kenwood. Along the Hillside Trail 1/2 mile. 396 Comment
  UCR222554  Madia madioides George K. Helmkamp, E. A. Helmkamp 2010-6-5 16244 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  CAS-BOT-BC345206  Madia sativa John Thomas Howell 1930-6-8 5220 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CAS-BOT-BC345222  Madia sativa David D. Keck 1933-11-6 2647 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  CAS-BOT-BC345256  Madia sativa Peter Rubtzoff 1951-8-4 580 Sonoma Pitkin Marsh, near Forestville. Opening south of the Upper Marsh Comment
  SD88309  Maianthemum racemosum subsp. amplexicaule Darley F. Howe 1972-5-2 Sonoma Trail above Duncan Mills Road. Comment
  UCD139120  Maianthemum stellatum Frederica Bowcutt 1994-5-1 1779 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon S of Sonoma Creek about 150 yards, 1/4 mile northwest of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. Campground. 350 Comment
  CAS-BOT-BC511488  Maianthemum stellatum F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  CAS-BOT-BC511492  Maianthemum stellatum Greg de Nevers 1981-6-27 1669 Sonoma On walk up through the Devil's Kitchen, Kellog Ranch, starting from the bottom of the hill in Franz Valley, along Franz Valley Road, Pepperwood Ranch Comment
  POM169294  Maianthemum stellatum A. A. Heller, H. E. Brown 1902-4-15 5297 Sonoma Santa Rosa Creek Comment
  SEINET7067226  Malacothrix californica A. G. Vestal 1947-5-12 s.n. Sonoma Stinson Beach [presently Stenson Beach State Park]. Coordinate datum: NAD27. UTM Zone 10, 531872mE, 4193954mN. Comment
  UC28946  Marah oregana F. T. Bioletti 1894-1 Sonoma near Hood's Peak Comment
  HSC27363  Matricaria chamomilla J. P. Smith 1973-3-4 5844 Sonoma Near Geyserville Comment
  UCD87219  Melica californica R. Tofsrud 1947-7-1 174 Sonoma Santa Rosa, old cemetery. Comment
  CAS-BOT-BC281273  Melica geyeri Peter Rubtzoff 1952-6-10 1202 Sonoma NE slopes of Fitch Mountain, near Healdsburg Comment
  CAS-BOT-BC281274  Melica geyeri G. DeNevers 1981-5-5 928 Sonoma Pepperwood Ranch. W arm of Garrison Canyon, above the Viburnum Comment
  CAS-BOT-BC383038  Melica geyeri Greg de Nevers 1989-4-1 9057 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  SJSU9871  Melica geyeri G. J. Woodside 1969-4-29 36 Sonoma Dutton Bill Creek 4 mi above Camp Meeker at St. Dorothy's Rest Comment
  UC771219  Melica geyeri W. S. Boyle 1942-4-26 1075 Sonoma between Petrified Forest and Mark West Comment
  UCD87322  Melica geyeri Beecher Crampton 1953-5-19 1299 Sonoma Sonoma County, 5 miles west of Calistoga, on Highway 128 at Napa County line. Comment
  UCD87355  Melica geyeri R. Tofsrud 1948-5-1 s.n. Sonoma Woods between Kellogg and Alexander Valley. Comment
  RSA123516  Melica harfordii H. S. Yates 1936-5-16 5615 Sonoma 2 miles northwest of Mountain View School. 76 Comment
  UCD36688  Melica harfordii Beecher Crampton 1955-6-17 2941 Sonoma 4.5 miles S of Cazadero. Comment
  UCD87388  Melica harfordii B. Crampton 1955-6-17 2927 Sonoma 1.6 miles west of Forestville. Comment
  UCD87519  Melica harfordii P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis Road. Comment
  UCD88631  Melica subulata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  OBI22007  Melica torreyana Lewis S. Rose 1965-4-4 65022 Sonoma 1 mi N of Sonoma 61 Comment
  RSA74447  Melica torreyana Milo S. Baker 1947-5-30 11777 Sonoma It is located 2 miles NE of Occidental along Harrison Grade. Comment
  UC573649  Melica torreyana H. S. Yates 1937-5-30 6542 Sonoma 3 mi wnw Graton; Sebastopol Quad. 60 Comment
  UCD89212  Melica torreyana M. Wiesendanger 1927-5-5 734 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC262559  Melica torreyana Peter H. Raven 1950-4-23 1889 Sonoma Sobre Vista 152 Comment
  SACT001559  Melica torreyana M. Wiesendanger 1927-5-5 Sonoma Comment
  UCD144429  Melica torreyana Frederica Bowcutt 1994-6-24 1883 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Lower Bald Mountain Trail. 396 Comment
  RSA785662  Mentha Peter Rubtzoff 1954-8-11 1686 Sonoma Guerneville Marsh. Comment
  UCR244668  Mentha Peter Rubtzoff 1960-9-14 4553 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) 30 Comment
  CAS-BOT-BC164083  Mentha Peter Rubtzoff 1960-9-17 4567 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  CAS-BOT-BC164420  Mentha Peter Rubtzoff 1958-8-16 3882 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  RSA785217  Mentha Peter Rubtzoff 1958-9-27 4011 Sonoma Laguna de Santa Rosa, northeast of Graton (1.5 mi. N of Guerneville Road). Comment
  UCD148331  Mentha aquatica Peter Rubtzoff 1954-8-11 1686 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC164084  Mentha pulegium Peter Rubtzoff 1955-10-12 2165 Sonoma Duncans Mills Marsh, lower portion of marsh. Comment
  POM62727  Mentha pulegium Geo R. Hall 1906-10-14 s.n. Sonoma Guerneville Comment
  RSA785665  Mentha pulegium Peter Rubtzoff 1962-8-22 5034 Sonoma Bodega Bay Marsh. Comment
  SDSU7036  Mentha pulegium D. F. Howe 1962-7-8 3359 Sonoma Mark West Creek, 3.4 miles east of #101, Sonamo Co. Comment
  RSA785142  Mentha spicata Peter Rubtzoff 1955-8-28 2114 Sonoma Guerneville region: Russian River. Vacation Beach, near Guerneville. Comment
  UCR244615  Mentha spicata Peter Rubtzoff 1955-8-28 2112 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC166968  Mentha spicata Peter Rubtzoff 1973-9-9 7315 Sonoma Kenwood Marsh. Comment
  RSA785145  Mentha spicata Peter Rubtzoff 1973-9-9 7315 Sonoma Kenwood Marsh. Comment
  UCD102803  Micranthes californica Frederica Bowcutt 1996-3-24 2092 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 1/2 air miles W of Mount Saint John, along Brushy Peaks Trail just S of Malm Fork of Sonoma Creek. 426 Comment
  RSA784491  Microseris Peter Rubtzoff 1974-5-26 7470 Sonoma On Bennett Valley Road, 4.25 mi W of Glen Ellen. Comment
  UCD166074  Microseris Peter Rubtzoff; H. A. Froebe 1971-5-30 6499 Sonoma Border of dry vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC349106  Microseris douglasii subsp. tenella Alice Eastwood 1921-5-8 10446 Sonoma Petaluma Comment
  CAS-BOT-BC322710  Microseris laciniata John Thomas Howell; Alice Eastwood 1938-7-6 6086 Sonoma Alder Glen Springs Comment
  CAS-BOT-BC322711  Microseris laciniata John Thomas Howell; Alice Eastwood 1936-5-19 2504 Sonoma 11 miles north of Santa Rosa Comment
  UC50056  Microseris laciniata subsp. laciniata J. Burtt Davy 1894-6-17 Sonoma Knight's Valley Comment
  CAS-BOT-BC320529  Mimulus Peter Rubtzoff 1958-7-5 3748 Sonoma Atascadero Creek Marsh. Comment
  JEPS76921  Mimulus aurantiacus Robert M. Lloyd 1963-2-24 2057 Sonoma 4 mi s State Highway 12 (above State Highway 1) 15 Comment
  UCD122711  Mimulus guttatus Terri Williamson 1990-5-20 58 Sonoma Bayflat Rd., Bodega Bay. 3 Comment
  UCR248742  Mimulus guttatus Peter Rubtzoff 1974-5-18 7407 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  UCR252544  Mimulus guttatus Peter Rubtzoff 1962-5-30 4849 Sonoma Freestone Marsh 79 Comment
  UCR275268  Mimulus guttatus Peter Rubtzoff 1955-7-9 1929 Sonoma North Coast Range, Forestville Marsh 71 Comment
  SEINET6986285  Mimulus guttatus A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma Serpentine area 1 mile east of Occidental. Comment
  UC353818  Mimulus inodorus Milo S. Baker 1928-6-28 3191 b Sonoma Pitkin's Marsh Vine Hill District Comment
  UC768827  Mimulus microphyllus R. F. Hoover 1939-4-18 4036 Sonoma Occidental Comment
  UC26988  Mimulus microphyllus Ivar Tidestrom 1895-6-3 Sonoma Comment
  SBBG83869  Mimulus nudatus L. F. LaPre 1986-6-3 Sonoma Dorr Place, 4 mi up private road from Mannings Flats in Austin Crk State Recreation Area, 6 mi N of Cazadero on upper Austin Crk 207 Comment
  UC103709  Mimulus tricolor Katharine Brandegee 1905-6-8 Sonoma near Santa Rosa (along the Electric line) Comment
  HSC4089  Minuartia douglasii H. E. Parks, S. T. Parks 1930-5-10 851 Sonoma Knights Valley 152 Comment
  UC8116  Minuartia douglasii J. Burtt Davy 1894-6-17 Sonoma Mt. St. Helena Comment
  UCR248888  Minuartia douglasii Peter Rubtzoff 1974-5-18 7408 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  CAS-BOT-BC435110  Mollugo verticillata Peter Rubtzoff 1958-9-21 4002 Sonoma Vacation Beach, near Guerneville. Bottom of Russian River. Comment
  CAS-BOT-BC435111  Mollugo verticillata Peter Rubtzoff 1965-8-29 5624 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville). Comment
  LA57191  Monardella purpurea Robert F. Hoover; 1942-7-13 5915 Sonoma 3 mi. S of Monte Rio Comment
  SBBG7673  Monardella sheltonii C. Bornstein, E. Collins 2006-8-23 Sonoma Bohemian Hwy, along rd above Dutch Bill Crk 45 Comment
  CAS-BOT-BC314209  Monardella villosa A. A. Heller 1902-6-28 5791 Sonoma Between Knight's Valley and Mark West Springs. Comment
  UCD38476  Monardella villosa Beecher Crampton 1955-6-17 2970 Sonoma State Hwy. 1, 3.5 miles south of Fort Ross. Road cut on bluffs above the sea. Comment
  CAS-BOT-BC314162  Monardella villosa subsp. subserrata John Thomas Howell 1929-6-30 4316 Sonoma 6 miles from Petrified Forest on road to Knights Valley. Comment
  CAS-BOT-BC314185  Monardella villosa subsp. villosa W. R. Dudley 1893-9-9 s.n. Sonoma Near mouth of Russian River. Comment
  UC292737  Monardella villosa subsp. villosa Geo. W. Dunn June, 1890 Sonoma Comment
  CAS-BOT-BC220699  Monardella viridis Milo S. Baker 1934-6-20 7654 Sonoma Youngman Ranch 2 1/2 mi N.E. of Glen Ellen Comment
  CAS-BOT-BC349590  Monolopia major J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC349591  Monolopia major J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC444986  Montia fontana Alice Eastwood 1921-4-24 10383 Sonoma Santa Rosa Comment
  UC72571  Montia fontana Milo S. Baker 1898-5-10 Sonoma Hills e of Santa Rosa Comment
  SJSU476  Morus alba A. W. Jacobs 1940-5-29 Sonoma Luther Burbank Gardens, Santa Rosa Comment
  CAS-BOT-BC515645  Muilla maritima Alice Griffin 1922-3-29 s. n. Sonoma Meadow opposite Myrtledale Geyser 1 1/2 mi north of Calistoga Comment
  RSA123590  Muilla maritima Leo Koch 1938-3-23 63 Sonoma Roadside near Shiloh cemetery, near Windsor. Comment
  CAS-BOT-BC376363  Myosotis discolor Greg de Nevers 1990-3-26 9655 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Weimar Flat. 400 Comment
  UCSB5631  Myosotis discolor Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; northwest of Sebastopol; 1 miles north of Sousa Corners Comment
  RSA97982  Myosotis latifolia N. F. Sommer 1954-5-15 81 Sonoma State Highway 12, at park on north edge of Occidental. 30 Comment
  SEINET9360775  Myosotis sylvatica John Nelson, Wnek, R. 2000-3-7 20936 Sonoma Wet ground on both sides of Hwy 116 just W of Fern Grove cottages on W side of Guerneville. With Oxalis oregana, Stachys rigida, Nemophila parviflora, Comment
  RSA26145  Myrica californica E. K. Balls, P. C. Everett 1953-10-9 18604 Sonoma 0.2 mi. NW of Ocean cove, Hwy 1 between Fort Ross and Point Arena; 5 mi. NW of Fort Ross. 91 Comment
  UC1042426  Myrica californica Peter Rubtzoff 1952-5-31 1113 Sonoma near Forestville (Pitkin Marsh, s. of Upper Marsh); Pitkin Marsh Comment
  SEINET12029316  Myrica californica W. Knight, Knight, I. 1982-1 4612 Sonoma Along roadside at Sea Ranch Comment
  UCD166304  Myriophyllum hippuroides Peter Rubtzoff 1966-8-21 5797 Sonoma Atascadero Creek Marsh. 29 Comment
  CAS-BOT-BC258916  Myriophyllum verticillatum Peter Rubtzoff 1955-8-13 2039 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  UCD36692  Nassella lepida Beecher Crampton 1955-6-17 2952 Sonoma 4.5 miles S of Cazadero. Comment
  CAS-BOT-BC260280  Nassella pulchra John Thomas Howell; et al. 1981-5-14 53945 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  SEINET7067245  Nassella pulchra A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  UCD87447  Nassella pulchra A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3562 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC260281  Nassella pulchra K. Wagnon 1939-5-4 187 Sonoma Downie's pasture, 5 miles W of Sebastopol, near O'Farrel Hill Comment
  UCR265236  Nasturtium officinale Ann Howald 2015-4-28 3377 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, Las Lomas, c. 12.9 miles west of intersection with Rockpile Rd, Wild Cattle Creek drainage 585 Comment
  CAS-BOT-BC60526  Nasturtium officinale Mary P. Wells 1985-7-10 549 Sonoma Kings Ridge Road. Comment
  UCR255655  Navarretia Greg de Nevers 1997-8-17 11075 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, Oak Hill Ranch 400 Comment
  CAS-BOT-BC230264  Navarretia cotulifolia A. A. Heller 1902-6-4 5638 Sonoma Santa Rosa Comment
  UC1719860  Navarretia cotulifolia David Fruchter 1978-9-17 95 Sonoma Diamond D. [sic] Comment
  CAS-BOT-BC230366  Navarretia leucocephala subsp. bakeri Peter Rubtzoff 1974-5-26 7493 Sonoma Todd Road 1.5 miles from Highway 116 and 0.5 mile from (W of) Llano Road Comment
  JEPS86767  Navarretia leucocephala subsp. bakeri Jack and Betty Guggolz 1990-5-20 1055 Sonoma Anadel State Park 402 Comment
  UC2014131  Navarretia leucocephala subsp. bakeri A. Solomeshch 2009-5-12 s.n. Sonoma Sonoma County: Along Bennett Valley Road (between Santa Rosa and Glen Ellen). Comment
  RSA227205  Navarretia leucocephala subsp. plieantha Peter Rubtzoff 1966-7-4 s.n. Sonoma Laguna de Santa Rosa, northwest of Graton, at end of Piner Road Comment
Read comments Dec 22 2014
  CAS-BOT-BC232683  Navarretia pubescens Peter Rubtzoff; H. A. Froebe 1971-5-30 6505 Sonoma 4.25 miles W of Glen Ellen on Bennett Valley Road Comment
  SEINET7067340  Navarretia pubescens A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor. Coordinate datum: NAD27. UTM Zone 10, 522900mE, 4266529mN. Comment
  CAS-BOT-BC232684  Navarretia pubescens Herbert L. Mason 1940-5-21 12294 Sonoma Head of Mayacama Creek in Knights Valley Comment
  HSC100965  Navarretia pubescens Peter Warner, Sarah Gordon 2011-5-27 204 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), ~675 m, N75 deg. E from main residence, E from Mark West Creek Rd., S of 2nd bridge below power lines. 58 Comment
  POM261291  Navarretia pubescens L. S. Rose 1940-5-22 40371 Sonoma Sonoma 30 Comment
  SD56753  Navarretia pubescens Darley F. Howe 1963-7-2 3574 Sonoma 3.5 mi. so. of Guerneville on #12 29 Comment
  SDSU3220  Navarretia pubescens D. F. Howe 1963-7-2 3574 Sonoma 3.5 miles south of Guerneville on #12. 30 Comment
  UCD48686  Navarretia squarrosa Charles B. Heiser Jr. 1946-8-17 1826 Sonoma Banks of Russian River, near Duncan Mills. Comment
  CDA20084  Navarretia squarrosa R. Gross 2002-12-7 s.n. Sonoma North Coast Ranges; Foote Ranch, 16041 Hwy 128, Kellogg. 0 Comment
  SDSU3222  Navarretia squarrosa D. F. Howe 1962-7-28 3360 Sonoma Mark West Creek, 3.4 miles east of #101. Comment
  UCD37159  Navarretia squarrosa Beecher Crampton 1957-7-22 4364 Sonoma Sonoma County, Sonoma Coast State Park, 8.2 miles north of Stewart's Point. Comment
  UC126415  Navarretia viscidula Prof. Heaton Jun 1887 Sonoma Verano Comment
  UC23890  Navarretia viscidula Milo S. Baker May 1899 Sonoma near County Hospital; Santa Rosa Comment
  UC353820  Navarretia viscidula Milo S. Baker 1928-6-28 3196 b Sonoma Pitkin Farm Comment
  SEINET8729376 Image available Navarretia viscidula Helen K. Sharsmith 1952-1 4178 Sonoma Stewartt's Point road 12.2 miles west of Skagg's Spring. 579 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
  UC494180  Nemophila heterophylla H. E. and S. T. Parks 1930-5-9 611 Sonoma Knights Valley Comment
  UCD160137  Nemophila menziesii James A. Neilson Jr. 1974-3-27 3009 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  JEPS1887  Nemophila menziesii var. atomaria L. Constance 1938-4-24 2158 Sonoma mouth of small canyon 0.5 mi s Fort Ross; s of Fort Ross 91 Comment
  SBBG6137  Nemophila menziesii var. atomaria H. and M. Dearing 1939-5-14 3359 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UC72013  Nemophila menziesii var. atomaria Milo S. Baker 1898-3-26 738 Sonoma near Melita; near Melita Comment
  SD133974  Nicotiana quadrivalvis Barbara Ertter 1988-11-5 8030 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge 152 Comment
  UCD148416  Nicotiana quadrivalvis Peter Rubtzoff 1959-9-19 4284 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  RSA0009430  Nuphar lutea subsp. polysepala Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  UC136307  Nuphar lutea subsp. polysepala G. A. Newell Aug 1900 Sonoma Russian River Station Comment
  SEINET6171222 Image available Orobanche bulbosa Sally Walker 1984-7-22 Sonoma Schoolhouse beach Comment
  RSA0069019  Orobanche californica subsp. jepsonii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  CAS-BOT-BC238410  Orthocarpus Charles Piper Smith 1948-6-4 48340 b Sonoma Local road - Sebastopol, 1.5 miles west Comment
  RSA66918  Orthocarpus attenuatus E. K. Balls 1951-5-3 16405 Sonoma Ca. 1 mi. e. from Petrified Forest, road to Calistoga 610 Comment
  POM252803  Orthocarpus erianthus var. roseus A. A. Heller 1938-5-14 15083 Sonoma The bluff north of Bodega Bay and along the roadside south of the town of Bay. Comment
  CAS-BOT-BC25976  Orthocarpus faucibarbatus var. albidus David D. Keck; J. Clausen 1935-6-15 3375 Sonoma 3 mi. S. of Russian River mouth Comment
  UC875255  Osmorhiza berteroi Lewis S. Rose 1940-5-6 40263 Sonoma Sonoma Creek Canyon 213 Comment
  CHSC26016  Oxalis oregana William Larkin 1961-3-28 Sonoma Rio Nido; along canyon road leading to cabins. 30 Comment
  UCD110971  Oxalis oregana Linda A. Bell 1975-5-18 156 Sonoma on highway 116, 3 miles west of Guerneville. Comment
  JEPS117127  Oxalis pes-caprae Peter Warner 2010-3-29 123 Sonoma 1670 Bloomfield Road, approx. 3 km S of center Sebastopol, throughout property. Comment
  UCD166341  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD88558  Panicum acuminatum var. fasciculatum Freed W. Hoffman 1941-7-26 2100 Sonoma North Coast Ranges. Near Guerneville. Comment
  UCD32824  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 b Sonoma N.E. Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). Comment
  UCD89140  Panicum acuminatum var. thermale Rick York; S. de Becker, L. Wickenheiser, J. O'Hagan 1990-7-24 90 001 Sonoma The Little Geysers, south of Little Geysers Creek. Comment
  UC149534  Panicum capillare J. Burtt Davy July 1896 4019 Sonoma below Guerneville (Russian River Valley); Russian River Valley Comment
  UC1146648  Parapholis incurva Freed W. Hoffman 1941-6-22 2194 Sonoma Sonoma Coast mouth of Salmon Creek; North Coast Ranges, , Sonoma Coast Comment
  CAS-BOT-BC253935  Parapholis incurva Catherine Best 1981-5-2 s.n. Sonoma At the mouth of the Russian River, S side Comment
  CDA31308  Parentucellia viscosa D. G. Kelch, Ed Biffin 2010-5-3 10 .209 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  JEPS128230  Parnassia palustris Roger Raiche 2000-9-9 152 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC971706  Parvisedum pumilum Leo Koch 1940-4-24 848 Sonoma n of Agua Caliente Comment
  CAS-BOT-BC259691  Paspalum dilatatum Peter Rubtzoff 1961-10-18 4768 Sonoma Cunningham Marsh, at the border of the marsh Comment
  UCD148512  Paspalum distichum Peter Rubtzoff 1965-8-16 5607 Sonoma Russina River margin at Forest Hills (5.5 miles E of Guerneville). Comment
  CDA11181  Pedicularis densiflora G. F. Hrusa 1988-2-21 5499 Sonoma North Coast Biodiversity Arena; Sugarloaf Ridge State Park. on Red Mountain Trail. Comment
  CHSC22339  Pedicularis densiflora Robert A. Schlising 1962-3-31 2117 Sonoma California Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  JEPS77252  Pedicularis densiflora Robert M. Lloyd 1963-4-24 2391 Sonoma 12.6 mi from State Hwy 12 on road to Oakdale 457 Comment
  SEINET12327822  Pedicularis densiflora F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -086 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  CDA17203  Pellaea mucronata G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16202 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  UC399539  Pellaea mucronata var. mucronata Michener and Bioletti 1892-12-24 Sonoma Comment
  UC27595  Penstemon heterophyllus var. purdyi State Survey 1890-1 6540 Sonoma Russian River bed at Cloverdale; Russian River bed at Cloverdale 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
  UC146888  Penstemon newberryi var. sonomensis Katharine Brandegee Jun 1910 Sonoma Mt. St. Helena Comment
  UC1193125  Pentagramma triangularis subsp. triangularis P. Zinke 1950-4-25 114 Sonoma Oat Valley; Quadrangle 61A4 182 Comment
  CAS-BOT-BC222746  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-7-30 5778 Sonoma Atascadero Creek Marsh Comment
  JEPS86310  Perideridia gairdneri subsp. gairdneri Vicki Wilson 1988-8-21 986 Sonoma Comment
  UC1287832  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-9-25 5829 Sonoma e Graton (betw. Occidental and Guerneville roads); Laguna de Santa Rosa Comment
  JEPS120461  Perideridia gairdneri subsp. gairdneri Daniel Slakey 2013-8-11 63 Sonoma Salt Point State Park, along the Salt Point trail, about 0.4 mile north of Salt Point, along the coast. Comment
  UCD127856  Perideridia kelloggii G. F. Hrusa; R. Gross 1996-6-30 13058 Sonoma on summit of Mayacmas Range at west end of Diamond Mtn. Rd.; 2 m. SW of Calistoga. 700 Comment
  CAS-BOT-BC413653  Persicaria amphibia Peter Rubtzoff 1958-8-23 3925 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Rd.) Comment
  CAS-BOT-BC413641  Persicaria amphibia Peter Rubtzoff 1971-9-3 6694 Sonoma Spring Creek Reservoir area Comment
  CAS-BOT-BC413654  Persicaria amphibia Peter Rubtzoff 1966-8-26 5812 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC258010  Persicaria hydropiper Peter Rubtzoff 1973-8-20 7223 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC258011  Persicaria hydropiper Peter Rubtzoff 1973-8-15 7210 Sonoma Russian River at Squaw Rock, 6 miles south of Hopland. Comment
  CAS-BOT-BC413746  Persicaria hydropiper Peter Rubtzoff 1966-6-5 s.n. Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville rds. Comment
  CAS-BOT-BC418895  Persicaria hydropiperoides Greg de Nevers 1987-7-10 8237 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC418909  Persicaria hydropiperoides Peter Rubtzoff 1958-8-31 3954 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC418899  Persicaria hydropiperoides Peter Rubtzoff 1951-7-1 349 Sonoma Pitkin Marsh, near Forestville. North of the Lower Marsh Comment
  CAS-BOT-BC419431  Persicaria punctata John Thomas Howell 1946-8-17 22854 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC419430  Persicaria punctata John Thomas Howell 1932-9-18 10770 Sonoma Bed of slough draining Kenwood Marsh Comment
  RSA790299  Petasites frigidus var. palmatus Peter Rubtzoff 1960-6-10 4495 Sonoma Fife Creek Marsh. Comment
  UCR179375  Petrorhagia nanteuilii Botany 102 students 1993-5-8 285 Sonoma Sugarloaf Ridge, About 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 eair miles NW of Napa. In Adobe Canyon N of Sugarloaf Ridge. Bald Mountain Trail less than 1 air mile south of Red Mountain, N of Sonoma Creek 488 Comment
  UCD98395  Petrorhagia nanteuilii Rimo Bacigalupi; G. T. Robbins, F. Hoffman 1956-5-31 5676 Sonoma along secondary road following Big Austin Creek, at base of 'The Butcher Knife' (R12W). 182 Comment
  RSA26566  Phacelia californica J. T. Howell 1930-7-27 5403 Sonoma One mile north of Fort Ross. Comment
  UC909989  Phacelia californica Alice Eastwood 1915-6-5 4623 Sonoma Petrified Forest 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
  UC923137  Phacelia corymbosa Freed W. Hoffman 1950-6-17 3332 Sonoma Layton Chromite Mine North Coast Ranges, Austin Creek Comment
  UC1041061  Phacelia distans J. W. Congdon April 1880 Sonoma Petaluma Comment
  UC881084  Phacelia distans Alice Eastwood 1915-6-29 4848 Sonoma near type locality Bodega Point Comment
  UC901847  Phacelia imbricata Malcolm Nobs, F. W. Hoffmann, and A. R. Kruckeberg 1950-6-4 671 Sonoma 1 mi nw Lafayette School (ca 5 mi e of Guerneville); Fred McMurray Ranch Comment
  CAS-BOT-BC154987  Phalaris Peter Rubtzoff; Nancy Harrison 1978-5-20 9175 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road (off N side of road, in Todd Road Wildflower Preserve). Comment
  CAS-BOT-BC154988  Phalaris Peter Rubtzoff 1974-5-11 7406 Sonoma Laguna de Santa Rosa E of Sebastopol (south of Hwy. 23 crossing). Comment
  UC730028  Phalaris californica Leo F. Koch 1940-4-20 806 Sonoma along Plantation Road ten mi from Highway 101 Comment
Read comments Jun 1 2015
  CAS-BOT-BC265915  Phalaris lemmonii G. DeNevers; S. Kaza 1981-5-7 972 Sonoma 10510 Old Redwood Hwy. 2 mi NW of Windsor exit from 101, vacant lot by Healdsburg Rent-All Comment
  CAS-BOT-BC265917  Phalaris lemmonii John Thomas Howell 1947-6-5 23243 Sonoma Near Wright School 4 mi. W of Santa Rosa Comment
  UC1186126  Phlox speciosa subsp. occidentalis Herbert L. Mason 1934-4-28 8065 Sonoma Jensen Ranch, head of Dohrman Creek Dohrman Creek Comment
  CAS-BOT-BC140615  Physocarpus capitatus Lester Rowntree 1932-6-11 s.n. Sonoma Bodega Comment
  CAS-BOT-BC140617  Physocarpus capitatus G. DeNevers 1981-4-25 867 Sonoma Mark West Creek and Leslie Creek, Pepperwood Ranch Comment
  CAS-BOT-BC140618  Physocarpus capitatus G. DeNevers 1981-5-2 910 Sonoma Mark West Creek and Leslie Creek, Pepperwood Ranch Comment
  RSA534576  Physocarpus capitatus Peter Rubtzoff 1957-4-28 3287 Sonoma Lower Salmon Creek marsh. Thicket on hillslope at the edge of the marsh. Comment
  SEINET11912073  Physocarpus capitatus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -264 Sonoma ca 10 mi from Warm Springs Dam on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC202279  Pickeringia montana var. montana James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  UCR279635  Picris echioides Peter Rubtzoff 1966-8-16 5783 Sonoma Laguna de Santa Rosa, northeast of Graton, c. 0.5 mile north of Guerneville [Rd.] 26 Comment
  RSA796385  Picris echioides Peter Rubtzoff 1966-8-16 5783 Sonoma Laguna de Santa Rosa, NE of Graton, ca. 0.5 mi north of Guerneville. Comment
  JEPS128295  Piperia elongata Roger Raiche 2010-7-11 034 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD166132  Plagiobothrys Peter Rubtzoff 1969-5-3 6016 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCR244739  Plagiobothrys Peter Rubtzoff 1969-5-11 6047 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  CAS-BOT-BC166921  Plagiobothrys Peter Rubtzoff 1971-7-23 6612 Sonoma Laguna, Chileno Valley. Comment
  RSA783736  Plagiobothrys Peter Rubtzoff 1969-6-15 6089 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  RSA620417  Plagiobothrys bracteatus Peter Rubtzoff 1963-6-6 5160 Sonoma Laguna de Santa Rosa, east of Graton Comment
  SBBG119726  Plagiobothrys bracteatus R. F. Thorne 1965-4-19 34276 Sonoma Titus Ranch, Valley Ford 18 Comment
  UCD150140  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1. 43 Comment
  RSA788372  Plagiobothrys bracteatus Peter Rubtzoff 1971-5-8 6443 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mi west of Arnold Drive. Comment
  JEPS35790  Plagiobothrys greenei Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8925 Sonoma pasture e Arnold Drive (0.7 mi n of its junction with state hwy 37, s of Sonoma) Comment
  UC905097  Plagiobothrys greenei Lewis S. Rose 1949-4-6 49028 Sonoma western outskirts Sonoma 29 Comment
  JEPS117070  Plagiobothrys greenei Peter Warner 2010-3-30 128 Sonoma Annadel State Park, east of Santa Rosa; approx. 200 m south of Cobblestone Trail, approx. 1 km west of Channel Drive. Comment
  UC78077  Plagiobothrys nothofulvus K. Brandegee May 1889 Sonoma Cloverdale Comment
  RSA31970  Plagiobothrys reticulatus var. rossianorum A. A. Heller 1938-5-14 15081 Sonoma In a field just back of the sea north of Bay, Bodega Bay. Comment
  RSA8527  Plagiobothrys stipitatus J. T. Howell 1933-4-1 10922 Sonoma Petaluma Comment
  RSA128349  Plagiobothrys stipitatus P. H. Raven 1950-4-6 1565 Sonoma Cotati to Santa Rosa. 30 Comment
  RSA785157  Plagiobothrys stipitatus var. stipitatus Peter Rubtzoff 1969-5-3 6013 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  CAS-BOT-BC228494  Plagiobothrys strictus Rimo Bacigalupi 1926-3-27 1248 Sonoma Opposite Myrtledale Geyser 1 1/2 miles N of Calistoga Comment
  UCD121027  Plagiobothrys tenellus Beecher Crampton 1955-4-5 2410 Sonoma 3 miles west of Fulton, along Woolsey Road, below Mt. Olivet School. Comment
  UCD35306  Plagiobothrys tenellus Beecher Crampton 1955-4-5 2409 Sonoma 3 miles west of Fulton, along Woolsey Road, below Mt. Olivet School. Comment
  CAS-BOT-BC258398  Plantago Peter Rubtzoff 1973-10-10 7341 Sonoma Tributary of Americano Creek, 2 miles west of Bloomfield. Comment
  UCD158837  Plantago coronopus Michael A. Vincent; Ethan H. Freid 1998-4-8 8175 Sonoma Sonoma County, Bodega Bay. University of Californai (Davis) Bodega Bay Marine Reserve, off Bodega Rd. Bodega Head. Comment
  SBBG115379  Plantago erecta V. Bullock, E. Beever, R. Waraich, P. Tagioka 1993-5-8 219 Sonoma Ponygate Trail, 2.5 air mi NE of Kenwood and 18 air mi NW of Napa 365 Comment
  UCD124173  Plantago erecta Frederica Bowcutt 1996-3-24 2086 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air mile SE of Red Mountain. Along vista Trail just SW of Headwaters Trail. Aspect: E facing, 90 degree, slope: 20%. 594 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
  UC1084369  Plantago lanceolata G. Thomas Robbins 1937-3-26 35 Sonoma between Freestone and Bodega Comment
  UCD160860  Plantago lanceolata James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3289 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC258397  Plantago lanceolata Peter Rubtzoff 1959-6-20 4159 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC258382  Plantago major Peter Rubtzoff 1973-10-3 7331 Sonoma 0.75 miles northwest of Freestone. Comment
  RSA800874  Plantago subnuda Peter Rubtzoff 1954-8-9 1658 Sonoma Bodega Head Marsh Comment
  RSA94009  Platanthera leucostachys Peter Rubtzoff 1951-5-28 84 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC92118  Platystemon californicus Alice Eastwood 1915-6-29 4863 Sonoma Bodega Point. Comment
  CAS-BOT-BC92120  Platystemon californicus A. A. Heller; H. E. Brown 1902-3-20 5105 Sonoma Near Windsor. Comment
  CHSC60118  Platystemon californicus E. L. Knight 1988-4-1 5 Sonoma Ca 0.25 m ene of southernmost point of Bodega Head and 100 ft n of Pacific Ocean. 15 Comment
  CAS-BOT-BC92125  Platystemon californicus Peter H. Raven 1955-3-20 8242 Sonoma One mile west of Schelville. Comment
  UCSB50178  Platystemon californicus Gray, John 1976-5-1 Sonoma Duncan's Landing; near parking lot; T 6N R 11W 15 Comment
  POM149315  Platystemon californicus var. californicus A. A. Heller, H. E. Brown 1902-3-20 5105 Sonoma Near Windsor. Comment
  UC725594  Plectritis brachystemon A. A. Heller 1938-5-14 15088 Sonoma just e of Bodega Bay (at Fort Ross); Fort Ross Comment
  UC766307  Plectritis brachystemon R. F. Hoover 1941-5-14 5082 Sonoma 3 mi s of Monte Rio (on road to Camp Meeker) Comment
  UC28853  Plectritis ciliosa subsp. ciliosa F. T. Bioletti Apr. 1891 Sonoma Sonoma Comment
  CDA12905  Pleuropogon californicus G. F. Hrusa, R. Gross, A. Buckmann 1996-3-29 12739 Sonoma North Coast Biodiversity Arena; Napa Valley bottom, immediately S of Tubbs Lane, approx. 2 m. NW of Calistoga. Comment
  UC127248  Pleuropogon californicus C. H. Dwinelle 1908-5-13 4 Sonoma Fulton Comment
  UCD21132  Pleuropogon californicus Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 307 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  CAS-BOT-BC260932  Pleuropogon californicus var. californicus John Thomas Howell 1944-5-14 19484 Sonoma Between Petaluma and Chileno Valley Comment
  RSA337037  Pleuropogon californicus var. californicus Edward Lee 1934-4-30 753 Sonoma 1 mile west of 2 Rock junction. Comment
  POM182703  Pleuropogon californicus var. californicus D. D. Keck 1931-4-1 993 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma) 10 Comment
  UCD90169  Pleuropogon californicus var. californicus David L. Morgan 1961-4-25 s.n. Sonoma junction of Meacham Rd. and Pepper Rd., approx. 3 miles southwest of Cotati. Comment
  UCD90182  Pleuropogon californicus var. californicus R. Tofsrud 1942-4-1 s.n. Sonoma 1/2 mile north of Lewis School, Santa Rosa. Comment
  HSC100363  Pleuropogon hooverianus J. McRae 1998-5-21 Sonoma Sonoma Mtn. 0 Comment
  RSA336124  Pleuropogon hooverianus Paul But 1977-5-3 P 6 Sonoma 3 miles NE of Penngrove, along Pressley Road Comment
  SEINET10590027  Poa A. Arthur Heller 1902-5-29 Heller 5628 Sonoma Near the summit of Mt. Hood. Comment
  JEPS71268  Poa annua Virginia Bufford 1932-9-23 574 Sonoma 4 mi sw Santa Rosa Comment
  HSC10653  Poa bulbosa C. S. Chavez 1965-4-19 45 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  UCD90689  Poa bulbosa David L. Morgan 1961-3-23 s.n. Sonoma Cotati. Comment
  CAS-BOT-BC254553  Poa douglasii John Thomas Howell 1931-4-18 6424 Sonoma Mouth of Salmon Creek, 2 miles N of Bay Comment
  CAS-BOT-BC255851  Poa kelloggii P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar Comment
  UCD91933  Poa pratensis David L. Morgan 1961-4-12 s.n. Sonoma Two Rock Highway, 3 mi. S of Bloomfield. Comment
  UCD15864  Poa secunda Gerry North 1993-3 34 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. At lower camping area. 50m East of foot bridge. 365 Comment
  CAS-BOT-BC244199  Poa trivialis Peter Rubtzoff 1955-6-26 1905 Sonoma Duncans Mills Marsh, edge of the lower portion of the marsh Comment
  CAS-BOT-BC244202  Poa trivialis John Thomas Howell 1951-5-28 27495 Sonoma Laguna E of Sebastopol Comment
  SDSU19283  Pogogyne douglasii Scott McMillan 1993-6-10 10 VI93A Sonoma Bennett Rd. north of Glen Ellen. Comment
  JEPS69888  Polemonium carneum J. Ewan 1935-5-13 9207 Sonoma road 2 mi w Bodega; Bodega Bay, w <of> Bodega Comment
  RSA784713  Polycarpon tetraphyllum Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-7-3 163 Sonoma Westside Rd, Bodega bay area Comment
  POM138788  Polygala californica Michener, Bioletti 1893-5-7 s.n. Sonoma Hood's Peak Comment
  SEINET12205547  Polygala californica J. T. Vale, Wagnon, H. K. 1988-1 s.n. Sonoma Skaggs Springs Road between Annapolis Road and Lake Sonoma Comment
  RSA0056452  Polygonum amphibium Greg de Nevers 1998-6-28 11296 Sonoma Lautenberg Ranch, Spencer Lane, Knights Valley. Comment
  POM161244  Polygonum amphibium var. stipulaceum R. C. Bacigalupi 1958-6-18 s.n. Sonoma Beach at mouth of Salmon Creek, 2 miles N of Godega Bay Comment
  CAS-BOT-BC414112  Polygonum aviculare subsp. aviculare Alice Eastwood 1921-5-8 10476 Sonoma Petaluma Comment
  RSA234547  Polygonum lapathifolium Peter Rubtzoff 1955-8-7 2030 Sonoma Guerneville Marsh. Comment
  UC727706  Polygonum persicaria Milo S. Baker 1946-8-17 11563 Sonoma The Laguna; at crossing of the Occidental Rd Comment
  SEINET11935872  Polygonum persicaria W. Knight, Knight, I. 1984-1 1368 Sonoma Willow Brook, 2 mi N of Petalnma Comment
  UC1042522  Polygonum punctatum Peter Rubtzoff 1952-10-26 1338 Sonoma Lower Marsh Pitkin Marsh (near Forestville) Comment
  UC1606996  Polypodium Margaret Rockwood and L. Esposito 1995-3-1 644 Sonoma ca. 3 km nw Bodega Comment
  CAS-BOT-BC350910  Polypogon Peter Rubtzoff 1970-9-3 6376 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UC1153915  Polypogon Beecher Crampton 1957-5-16 4040 Sonoma Hot Springs Road 3 mi sw Cloverdale Comment
  UCR248722  Polypogon Peter Rubtzoff 1964-7-14 5402 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  UCR254831  Polypogon Peter Rubtzoff 1970-9-3 6376 Sonoma Marsh off west side of Highway 1, 0.7 miles SE of Salmon Creek crossing 30 Comment
  CAS-BOT-BC233187  Polypogon interruptus Greg de Nevers 1981-7-22 1770 Sonoma Pepperwood Ranch. Along the creek at the Roger's Homestead. Comment
  CAS-BOT-BC233192  Polypogon interruptus Peter Rubtzoff 1958-7-26 3802 Sonoma Laguna de Santa Rosa, E of Sebastopol Comment
  UCD51661  Polypogon interruptus Leo Koch 1940-6-5 1012 Sonoma behind Fountaingrove Vineyard, 3 miles north of Santa Rosa along Highway 101. Comment
  CAS-BOT-BC233188  Polypogon interruptus Mary P. Wells 1982-8-23 s.n. Sonoma Stump Beach, Salt Point State Park Comment
  UCD51671  Polypogon interruptus Collector unknown 1941-10-1 Sonoma Santa Rosa Creek by S.P. R.R. Comment
  CAS-BOT-BC237404  Polypogon monspeliensis Peter Rubtzoff 1951-8-19 642 Sonoma Pitkin Marsh, near Forestville. S half of Lower Marsh Comment
  CAS-BOT-BC237406  Polypogon monspeliensis Peter Rubtzoff 1955-7-9 1935 Sonoma Forestville Marsh Comment
  UC65192  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Sonoma Comment
  UCD161843  Polypogon monspeliensis James A. Neilson Jr. 1975-6-26 s.n. Sonoma Mayacmas Mountains, Caldwell Pines area, Wildhorse #1. (Exact location unknown, coordinates estimated by label maker. Georeferenced near Wildhorse Cr.) Comment
  SEINET10593633  Polypogon monspeliensis A. Arthur Heller 1902-4-23 Heller s.n. Sonoma Near Sonoma Comment
  UC1481826  Polystichum imbricans subsp. imbricans Milo S. Baker 1898-6-11 656 Sonoma Little Sulphur Creek 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-BC376364  Potamogeton Greg de Nevers 1992-6-8 10159 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UCR244639  Potamogeton crispus Peter Rubtzoff 1969-8-14 6126 Sonoma Salmon Creek, 5 mi west of Bodega (town) on Salmon Creek Road, 1.1 mi west of Finlay Creek Crossing 5 Comment
  RSA227252  Potamogeton natans Peter Rubtzoff 1955-8-13 2040 Sonoma Duncan Mills Marsh. Comment
  CAS-BOT-BC268095  Potamogeton nodosus Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7812 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC26647  Potentilla uliginosa Milo S. Baker 1947-6-26 11831 Sonoma Cunningham Marsh ca 1 mi southwest of Cunningham Station Comment
  RSA0084031  Potentilla uliginosa Milo S. Baker 1946-8-17 11550 Sonoma Cunningham Marsh within the fenced area (Camp Ground) ca 1.5 mi west of town of Cunningham, S.[?] Sonoma Co. on ranch owned by Mr. Uoit[?]. Comment
  CAS-BOT-BC516401  Prosartes hookeri Greg de Nevers 1993-3-24 10330 Sonoma Weimar Canyon, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 304 Comment
  JEPS128324  Prosartes hookeri Roger Raiche 2000-3-26 006 .00 Sonoma The Cedars. Lower Russian, Big Austin Creek watershed. Comment
  UCD139786  Prosartes hookeri Frederica Bowcutt; Jeff Kennedy, Jolie Henricks 1994-5-1 1769 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail, ca. 200 yards fro the trail head on Adobe Canyon Road and just E of Bear Creek, ca. 5 yards N of confluence with Sonoma Creek. 198 Comment
  UC1288498  Prunella Andrew P. Nelson 1960-8-3 646 -B Sonoma Pitkin Marsh Comment
  UCD125331  Prunella vulgaris Charles B. Heiser Jr. 1946-5-19 1737 Sonoma Vine Hill, west of Santa Rosa Comment
  NY622090  Prunella vulgaris var. atropurpurea A. A. Heller 1902-6-4 5639 Sonoma Santa Rosa 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
  CAS-BOT-BC159901  Prunus emarginata A. A. Heller; H. E. Brown 1902-3-21 5120 Sonoma Hills Southeast of Santa Rosa Comment
  RSA0045173  Prunus subcordata Greg de Nevers 1998-7-6 11298 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Leslie Road. 100 Comment
  UCR255040  Prunus subcordata Greg de Nevers 1998-4-21 11156 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC357167  Pseudognaphalium luteoalbum Walter Knight; Irja Knight 1985-9-23 5180 Sonoma Lower Tubbs Island, 1/4 mile from San Pablo Bay 0 Comment
  CAS-BOT-BC357168  Pseudognaphalium luteoalbum G. DeNevers 1981-4-25 861 Sonoma Pepperwood Ranch. Roadside at Mark West Creek and Leslie Creek 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
  UC176853  Pseudognaphalium stramineum P. B. Kennedy 1912-5-27 Sonoma Bodega Bay Comment
  CAS-BOT-BC361616  Pseudognaphalium stramineum Roxana S. Ferris 1937-8-18 9375 Sonoma At mouth of Salmon Creek on Bodega Bay Comment
  UCD135215  Pseudognaphalium stramineum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 100 Sonoma Walk-on Beach; Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD148334  Pseudognaphalium stramineum Peter Rubtzoff 1954-9-4 1725 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC176130  Psilocarphus Peter Rubtzoff 1971-6-10 6530 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC176131  Psilocarphus Peter Rubtzoff 1971-6-25 6553 Sonoma Intermittent lake off wst side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA94031  Psilocarphus brevissimus M. S. Baker 1928-5-26 3027 Sonoma Near summit of Bennet Val. Road. Comment
  CAS-BOT-BC361729  Psilocarphus brevissimus var. brevissimus J. W. Congdon 1880-5-24 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC361728  Psilocarphus brevissimus var. brevissimus Catherine Best 1990-4-14 1362 Sonoma Just north of the intersection of Hwy 12 & Madrone Comment
  RSA784485  Pteridium Peter Rubtzoff 1974-6-2 7528 Sonoma Upper Green Valley Marsh area. Comment
  JEPS79501  Pteridium aquilinum var. pubescens Edward Lee 1936-6-5 2175 Sonoma Trail No. 10 Bohemian Grove Comment
  CAS-BOT-BC421372  Pterostegia drymarioides Alice Eastwood 1915-6-29 4834 Sonoma Bodega Point Comment
  SEINET10479891  Pterostegia drymarioides A. Arthur Heller, H. E. Brown 1902-5-27 Heller s.n. 1902 Sonoma Bodega Bay on Sand Hills. From type station. Comment
  JEPS37687  Quercus X chasei Mrs. Charles L. Wheeler 1908-3-1 Sonoma Sebastopol Comment
  CAS-BOT-BC94230  Quercus X eplingii Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5139 Sonoma Pine Mountain Rd. 304 Comment
  CAS-BOT-BC94703  Quercus X howellii D. E. Breedlove 1980-6-27 44776 Sonoma Pepperwood Ranch W of Knights Valley Comment
  JEPS37712  Quercus agrifolia W. L. Jepson 1902-11-12 Sonoma Cloverdale Comment
  SEINET12030399  Quercus douglasii W. Knight, Knight, I.; Knight, T. 1985-1 5391 Sonoma Pine Mt. Road Comment
  SEINET12030397  Quercus dumosa W. Knight, Knight, I.; Howell, J. T. 1984-1 5078 Sonoma 0.4mi up Cavedale Rd from State Tr-12 91 Comment
  CAS-BOT-BC94669  Quercus garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 miles N of Penngrove 365 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
  UCD46116  Quercus garryana var. garryana Jennifer Bury; Peggy Herzog 1993-5-8 278 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, along Lower Bald Mountain Trail. In meadow, 100 feet above parking lot. 402 Comment
  SEINET2066832 Image available Quercus kelloggii Lewis S. Rose 1964-6-27 Sonoma 2 miles n of Sonoma 274 Comment
  SEINET12030400  Quercus kelloggii W. Knight, Knight, I.; Knight, T. 1985-1 5387 Sonoma Pine Mt. Road Comment
  UC1193239  Quercus lobata R. H. Neuns 1950-5-8 107 Sonoma 8 mi e Geyserville 579 Comment
  CAS-BOT-BC62847  Quercus lobata Lewis S. Rose 1964-6-27 64059 Sonoma 2 miles n of Sonoma hill slopes 274 Comment
  UC9374  Ranunculus aquatilis var. capillaceus W. H. Brewer 1862-4-18 970 Sonoma near Sonoma Comment
  UC9377  Ranunculus aquatilis var. hispidulus Alice King April, 1897 Sonoma Healdsburg Comment
  UCD95945  Ranunculus californicus Mary M. Hektner 1976-5-10 253 Sonoma along bluffs above Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD14289  Ranunculus californicus L. Coats 1983-5-17 22 Sonoma Sonoma Co.; along Highway 1, 4.3 miles north of Salt Point State Park; 21 Comment
  CAS-BOT-BC378689  Ranunculus californicus var. californicus Walter Knight; Irja Knight 1964-2-27 532 Sonoma Highway 1 near Plantation turnoff Comment
  UC483320  Ranunculus canus Ira L. Wiggins 1932-3-12 5758 Sonoma meadows between Calistoga and Knight's Valley Comment
  UCD96104  Ranunculus flammula var. ovalis Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 98 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  CAS-BOT-BC83437  Ranunculus lobbii Margot Lowry 1983-5-5 33 Sonoma 2 miles north on Adobe Road from Sonoma Mountain and Adobe Road junction. 30 Comment
  UC9461  Ranunculus lobbii J. Burtt Davy 1896-3-13 1659 Sonoma Cujadera Comment
  RSA178035  Ranunculus muricatus Robert F. Thorne 1965-4-19 34273 Sonoma Titus Ranch, Valley Ford. 18 Comment
  RSA94329  Ranunculus muricatus Peter Rubtzoff 1952-5-10 1024 Sonoma Eastern branch of the Upper Marsh, in the open on wet ground Comment
  SD254692  Ranunculus occidentalis Ann Howald 2015-4-1 3320 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Road, 15.7 miles west of intersectyion with Rockpile Road, Wolf Creek drainage (Tombs Creek 7.5'Q) 397 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
  RSA534706  Ranunculus orthorhynchus var. platyphyllus Peter Rubtzoff 1959-5-31 4084 Sonoma Freestone Marsh Comment
  UCD84283  Ranunculus pusillus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC74236  Raphanus sativus Mary P. Wells 1985-5-26 499 Sonoma Ca. 0.5 mile north of Stewart's Point, along Highway #1. Comment
  HSC100877  Reseda luteola Peter Warner 2011-6-16 216 Sonoma Jenner Headlands property, NE area on ridge between Jenner Gulch and Kidd Creek watersheds, ~400 m E from gate at boundary with the E & P Ranch, along 'east ridge' road. 413 Comment
  RSA289508  Rhamnus californica Edward Lee 1936-6-8 2213 Sonoma trail 3A (N Ridge to Smith Creek), Bohemian Grove Comment
  SEINET12211236  Rhamnus crocea W. Knight, Knight, I.; Edwards, S. T. 1988-1 6328 Sonoma South slope of Bradford Mt., NW of Healdsburg 762 Comment
  CAS-BOT-BC53747  Rhododendron columbianum Mrs. H. C. Cantelow 1941-6-7 s.n. Sonoma 5 mi. n. of Fort Ross. Hwy 1 Comment
  CAS-BOT-BC226795  Rhododendron occidentale G. F. Hrusa 1989-5-8 7003 Sonoma Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma 518 Comment
  UC750808  Rhododendron occidentale Charles B. Heiser Jr. 1946-5-19 1750 Sonoma Vine Hill Region, Pitkin Marsh Pitkin Marsh; Vine Hill Region, Pitkin Marsh Comment
  CAS-BOT-BC200343  Rhododendron occidentale var. occidentale Peter Rubtzoff 1970-6-6 6254 Sonoma Bloomfield Road. 4 1/4 mi. northeast of Bloomfield Comment
  CAS-BOT-BC200344  Rhododendron occidentale var. occidentale Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  CAS-BOT-BC227170  Rhododendron occidentale var. occidentale G. F. Hrusa 1988-4-22 5569 Sonoma Cavedale Rd. between Hwy 12 and Hwy 29 300 Comment
  CDA21337  Rhododendron occidentale var. occidentale G. F. Hrusa 1989-6-7 7177 Sonoma North Coast Ranges; Above Franz Valley School Rd. immed. W of Sonoma/Napa Co. line. 259 Comment
  RSA787919  Rhododendron occidentale var. occidentale G. Fred Hrusa 1989-5-8 6091 Sonoma Hogback Mountain at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  CAS-BOT-BC111884  Rhynchospora californica Peter Rubtzoff 1951-7-1 343 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  CAS-BOT-BC111886  Rhynchospora californica Peter Rubtzoff 1951-7-1 326 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  UC710415  Rhynchospora capitellata John Thomas Howell 1936-7-26 12677 Sonoma 5 mi n Sebastopol; Pitkin Marsh Comment
  RSA93974  Rhynchospora capitellata Peter Rubtzoff 1951-7-22 529 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  SEINET4178848 Image available Rhynchospora globularis Unknown 1946-7-4 12882 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UCD141236  Rhynchospora globularis John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh. Comment
  POM303625  Rhynchospora globularis var. recognita J. T. Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  RSA35299  Rhynchospora globularis var. recognita J. T. Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  RSA94280  Rhynchospora globularis var. recognita Peter Rubtzoff 1951-7-28 562 Sonoma Pitkin Marsh, near Forestville; Lower part of the Upper Marsh. Comment
  CAS-BOT-BC111929  Rhynchospora recognita John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111933  Rhynchospora recognita John Thomas Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles n of Sebastopol. Comment
  CAS-BOT-BC111934  Rhynchospora recognita Peter Rubtzoff 1951-6-30 321 Sonoma Pitkin Marsh, lower part of the Upper Marsh Comment
  RSA0024608  Ribes roezlii var. cruentum A. A. Heller 1903-4-24 6615 Sonoma Woods near Cazadero. Comment
  RSA0024683  Ribes roezlii var. cruentum R. C. Bacigalupi 1948-3-6 2857 Sonoma Slopes of Mayacama Range, on road from The Geysers to Geyserville. Comment
  CAS-BOT-BC209370  Ribes sanguineum var. glutinosum A. A. Heller; H. E. Brown 1902-3-21 5112 Sonoma Hills Southeast of Santa Rosa Comment
  CAS-BOT-BC209371  Ribes sanguineum var. glutinosum Dorothy Scherer 1996-3-16 005 Sonoma West of Hwy 1 and south of Kolmer Gulch, Fort Ross State Historic Park 9 Comment
  CHSC26437  Ribes sanguineum var. glutinosum P. Kunst 1977-4-12 22 Sonoma Large population, ca. 3 yd n of Coleman Valley Rd and 2.5 mi w of Occidental. 219 Comment
  RSA0019523  Ribes sanguineum var. glutinosum A. A. Heller, H. E. Brown 1902-3-21 5112 Sonoma Hills southeast of Santa Rosa Comment
  CAS-BOT-BC376370  Rorippa Greg de Nevers 1993-4-6 10356 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Creek, along Franz Valley Road by Franz Valley School Road. 400 Comment
  CAS-BOT-BC74698  Rorippa curvisiliqua Peter Rubtzoff 1958-7-19 3772 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC74704  Rorippa curvisiliqua Peter Rubtzoff 1962-6-13 4913 Sonoma Americano Creek area. Pond near Petaluma Valley Ford road just south of Bloomfield. Comment
  SEINET11996225  Rorippa curvisiliqua H. K. Wagnon 1989-1 1853 Sonoma Spring Lake County Park, Santa Rosa 67 Comment
  RSA0025116  Rorippa curvisiliqua var. occidentalis Peter Rubtzoff 1974-6-2 7517 Sonoma Upper Green Valley Marsh. Comment
  RSA179774  Rosa eglanteria J. T. Howell 1930-6-8 5234 Sonoma Flat along stream, 4 miles east of Valley Ford Comment
  UC454965  Rosa gymnocarpa I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UCD151160  Rosa pisocarpa James A. Neilson Jr. 1973-6-6 3116 Sonoma Mayacmas Mountains. The Geysers. Wooded area near watercourse 1 mile west of Geyser Canyon. (Elevation estimated using Google Earth by label maker.) 609 Comment
  CAS-BOT-BC148203  Rosa rubiginosa John Thomas Howell 1930-6-8 5234 Sonoma Flat along stream, 4 miles east of Valley Ford. Comment
  CAS-BOT-BC148204  Rosa rubiginosa John Thomas Howell 1946-8-17 22871 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC146919  Rosa spithamea Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC146920  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma S.W. slope of Hood Mt. at top of Rose Butte 243 Comment
  CAS-BOT-BC146921  Rosa spithamea Milo S. Baker 1947-5-7 11755 Sonoma Hood Mt. E. of residence of Macartney Ranch, Summit of Rose Butte 228 Comment
  UCR265086  Rubus armeniacus Ann Howald 2015-4-28 3374 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, c. 11.7 miles west of intersection with Rockpile Rd, Warm Springs drainage 431 Comment
  UCR218648  Rubus discolor George K. Helmkamp, E. A. Helmkamp 2010-6-4 16213 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  UCD17812  Rubus leucodermis H. Olmo 8-10 May 1962 62 07 Sonoma California. Sonoma County: 7.4 miles from junction of road to Fort Ross, in Cazadero. Near entrance to Horseshoe Ranch. Comment
  POM91634  Rubus macropetalus Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  UCD113832  Rubus parviflorus Frederica Bowcutt; Jeff Kennedy, Jolie Henricks 1994-5-1 1766 a Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco; approximately 11 air miles E of Santa Rosa, about 18 air miles NW of Napa, and about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail. Approximately 200 yards from the trail head on Adobe Canyon Road and just E of Bear Creek, about 5 yards N of confluence with Sonoma Creek. 198 Comment
  CAS-BOT-BC157179  Rubus ursinus Volney Rattan 1877-6-17 s.n. Sonoma Guerneville Comment
  UCD17810  Rubus ursinus H. Olmo 8-10 May 1962 62 04 Sonoma California. Sonoma County: 1.4 miles from Bridgehaven Restaurant turnoff, heading north. Comment
  UCD17814  Rubus ursinus H. Olmo 8-10 May 1962 62 09 Sonoma California. Sonoma County: 1.5 miles east of Fort Ross on road to Cazadero. Comment
  UCR282050  Rubus ursinus Peter Rubtzoff 1964-6-3 5349 Sonoma Bodega Bay Marsh 15 Comment
  CAS-BOT-BC166721  Rumex Peter Rubtzoff 1962-6-24 4963 Sonoma Vacation Beach, 1.5 miles below Guerneville, along Russian River. Comment
  RSA0051277  Rumex Greg de Nevers 1996-9-2 10871 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Kitchen Creek below Silva's. 100 Comment
  UCR279879  Rumex Peter Rubtzoff 1964-7-29 5452 Sonoma Central Coast, Bodega Bay Marsh 15 Comment
  CAS-BOT-BC422235  Rumex acetosella J. D. Randall 1907-7-12 297 Sonoma Sebastopol Comment
  CAS-BOT-BC422237  Rumex acetosella Blanca Barrell 1982-8-7 s.n. Sonoma The Sea Ranch Comment
  CAS-BOT-BC422238  Rumex acetosella G. DeNevers 1981-5-30 1336 Sonoma Pepperwood Ranch. N of Hansel's corral. Comment
  CAS-BOT-BC421582  Rumex crassus Peter H. Raven; R. Snow 1958-7-23 13687 Sonoma 2.6 miles north of Jenner Comment
  UCD101133  Rumex crispus Frederica Bowcutt 1996-5-18 2121 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon, along Hillside Trail. Comment
  CAS-BOT-BC173565  Rumex fueginus Peter Rubtzoff 1958-7-20 3792 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  UCR244736  Rumex fueginus Peter Rubtzoff 1963-10-5 5288 Sonoma Laguna de Santa Rosa east of Graton 23 Comment
  UCD148399  Rumex fueginus Peter Rubtzoff 1958-7-20 3792 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  RSA785147  Rumex obtusifolius Peter Rubtzoff 1954-6-7 1480 Sonoma Guerneville Marsh Comment
  CDA2888  Rumex pulcher G. D. Barbe 1982-5-27 3621 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Scaggs Spring Road. Comment
  SEINET11934234  Rumex pulcher F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -155 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 80 Comment
  CAS-BOT-BC258034  Rumex salicifolius Peter Rubtzoff; Nancy Harrison 1974-9-7 7884 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  CAS-BOT-BC434142  Rumex transitorius Alice Eastwood; John Thomas Howell 1938-7-6 6087 Sonoma Alder Glen Springs Comment
  SEINET4344595 Image available Rytidosperma penicillatum Unknown 2003-7-19 18246 Sonoma Bodega Bay, coastal meadow behind community center on west side of Hwy 1 north of town. Comment
  CAS-BOT-BC445689  Sagittaria cuneata Peter Rubtzoff 1960-4-30 4311 Sonoma Laguna de Santa Rosa northeast of Graton (ca. 1/2 mi. n. of Guerneville Road). Comment
  SEINET11933369  Salicornia depressa W. Knight, Knight, I. 1984-1 5083 Sonoma Gilardi's Resort near Lakeville on Petaluma River 3 Comment
  UCD99149  Salicornia pacifica D. Sanchez-Mata; M. G. Barbour 1996-4-12 s.n. Sonoma S. Pablo Bay. S. Pablo National Wildlife Refuge. 5 Comment
  RSA0015573  Salix Peter Rubtzoff, J. Eckenwalder 1974-4-6 7347 Sonoma Kenwood Marsh. At south margin of the area. Comment
  RSA0015567  Salix babylonica Peter Rubtzoff 1955-8-14 2051 Sonoma Forestville Marsh. Comment
  RSA94333  Salix babylonica Peter Rubtzoff 1952-3-23 905 Sonoma Southern half of Lower Marsh, margin of a thicket of damp ground Comment
  CAS-BOT-BC103086  Salix bonplandiana Peter Rubtzoff 1961-8-24 4700 Sonoma Fife Creek Marsh, along Fife Creek Comment
  CAS-BOT-BC102863  Salix breweri John Thomas Howell 1933-4-2 10940 Sonoma slopes of Mt. Hood, Sonoma Creek Canyon Comment
  CAS-BOT-BC107798  Salix hindsiana Walter Knight; Irja Knight 1963-9-14 254 Sonoma North roadside, Storny Pt. Road 1/2 mi. W. Railroad Ave. Comment
  CAS-BOT-BC106848  Salix hookeriana Mary P. Wells 1987-2-28 825 Sonoma West end of Moonraker Dr., The Sea Ranch Comment
  UC353926  Salix lasiandra subsp. lasiandra Milo S. Baker 1928-3-17 2732 Sonoma 1 mi. e. of town Santa Rosa Creek Comment
  UC482325  Salix lasiandra subsp. lasiandra C. R. Ball and H. E. Parks 1931-2-17 21 Sonoma 1 mi. s. Santa Rosa (Santa Rosa Creek); Santa Rosa Creek Comment
  CAS-BOT-BC128065  Salix lasiandra var. lasiandra John Thomas Howell 1932-9-18 10772 Sonoma Bank of slough draining Kenwood Marsh. Comment
  CAS-BOT-BC128067  Salix lasiandra var. lasiandra Baker; Ball; Bracelin; Crum 1931-5-9 347 Sonoma About 2 km. east of Bodega Bay. Comment
  CAS-BOT-BC128068  Salix lasiandra var. lasiandra Baker; Ball; Bracelin; Crum 1931-5-9 347 Sonoma About 2 km. east of Bodega Bay. Comment
  CAS-BOT-BC128098  Salix lasiandra var. lasiandra A. A. Heller 1902-3-28 5174 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  UC453102  Salix lasiolepis W. A. Setchell 1931-7-31 19 Sonoma Bodega Bay Comment
  UC453104  Salix lasiolepis W. A. Setchell 1931-7-31 20 Sonoma Bodega Bay Comment
  UC66161  Salix lasiolepis A. A. Heller 1902-3-11 5025 Sonoma hills 2 mi e Santa Rosa Comment
  UCD111636  Salix lasiolepis G. F. Hrusa 1998-3-15 14153 B Sonoma Hwy 128 at Lake Hennessey. 175 Comment
  SEINET10396327  Salix lasiolepis A. A. Heller 1902-8-23 5097 Sonoma Santa Rosa Creek, E of Santa Rosa. Comment
  UCD111595  Salix lasiolepis Frederica Bowcutt 1996-3-24 2073 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile south of Red Mountain. Trail head for Lower Bald Mtn. Trail @ group campsite just west of Sonoma Creek. 381 Comment
  CAS-BOT-BC128311  Salix lasiolepis var. lasiolepis G. DeNevers 1981-4-25 875 Sonoma Mark West Creek and Leslie Creek - Pepperwood Ranch Comment
  CAS-BOT-BC126180  Salix scouleriana Peter Rubtzoff 1961-10-23 4774 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC126181  Salix scouleriana Peter Rubtzoff 1962-6-13 4908 Sonoma Freestone Marsh Comment
  POM219058  Salix scouleriana Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental on Occidental Grade. Comment
  UC524793  Salix scouleriana W. A. Setchell 1934-7-10 9 Sonoma Ridge Hwy. above Fort Ross Comment
  POM219075  Salix sitchensis Carleton R. Ball, H. P. Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 36 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  POM362960  Salix sitchensis Carleton R. Ball, H. P. Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 36 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  RSA5626  Salix sitchensis Carleton R. Ball, H. P. Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 36 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  UC482106  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 35 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  LA208958  Salix sitchensis Carleton R. Ball; Bracelin, Parks, Parks 1931-4-21 35 Sonoma Mancama Creek, 25 km NE of Calistoga Comment
  SEINET10424546  Salix sitchensis A. A. Heller 1902-1 5044 Sonoma Sonoma Creek, foot of Mount Hood. Comment
  CAS-BOT-BC176848  Salsola australis Mary P. Wells 1992-11-16 1075 Sonoma Sixth Street where Adams Street ends, Santa Rosa Comment
  JEPS62779  Salvia sonomensis Willis L. Jepson 1893-1 14947 Sonoma nw of Calistoga (between Knights Valley and Franz Valley, e Sonoma County); Napa River Basin Comment
  RSA134121  Salvia sonomensis John H. Thomas 1955-5-22 5189 Sonoma Along St. Helena Road and West Creek, about 2.7 miles west of Sonoma-Napa County line, about 8 miles northeast of Santa Rosa 366 Comment
  SEINET12330321  Salvia sonomensis W. Knight, Edwards, S. 1985-1 5187 Sonoma Ridge NW of summit of Kortum Canyon Road Comment
  SEINET12327832  Sambucus callicarpa F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -159 Sonoma ca 5 mi E of Bridgehaven on Willow Creek Road 145 Comment
  JEPS102077  Sanguisorba minor subsp. muricata Dean Schlichting 2002-5-16 Sonoma Bohemian Grove 76 Comment
  UC353929  Sanicula arctopoides Milo S. Baker 1928-4-14 2980 a Sonoma Coast near Bay Bay Comment
  SEINET11155644  Sanicula arctopoides W. Roderick 1967-4-9 s.n. Sonoma Ca 4 miles S of Stewards Point. 15 Comment
  JEPS98655  Sanicula bipinnatifida O. Gomez, R. Power, E. and P. Vargas 1996-4-7 8 PV96 Sonoma Armstrong Redwoods, ridge over Bullfrog pond Cazadero Comment
  POM117336  Sanicula bipinnatifida Marcus E. Jones 1924-4-23 s.n. Sonoma Petaluma Comment
  UC750801  Sanicula bipinnatifida Charles B. Heiser Jr. 1946-4-13 1719 Sonoma between Jenner and Duncan Mills Comment
  UCR265122  Sanicula bipinnatifida Ann Howald 2015-4-1 3325 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  CAS-BOT-BC223347  Sanicula bipinnatifida G. H. Mallory 1920-3-29 s.n. Sonoma East end of Sonoma Ave, Santa Rosa Comment
  RSA177952  Sanicula crassicaulis R. F. Thorne 1965-4-20 34325 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UCD128074  Sanicula crassicaulis J. M. Tucker 1951-6-26 2137 Sonoma at roadside, near summit of range, road from Glen Ellen to Oakville. Comment
  CAS-BOT-BC328134  Santolina chamaecyparissus Peter Rubtzoff 1952-5-31 1129 Sonoma Upper Marsh in the west, Pitkin Marsh near Forestville Comment
  POM126655  Satureja douglasii Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  POM161076  Scandix pecten-veneris R. C. Bacigalupi 1926-5-2 1367 Sonoma Cazadero. Comment
  RSA178019  Scandix pecten-veneris R. F. Thorne 1965-4-19 34278 Sonoma Titus Ranch, Valley Ford. 18 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-BC283150  Schedonorus arundinaceus John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54692 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC422352  Schedonorus arundinaceus Peter Rubtzoff 1962-5-5 4807 Sonoma Fife Creek Marsh. Comment
  UCD50086  Schoenoplectus acutus var. occidentalis P. G. Connors 1991-8-15 205 Sonoma In Clark Marsh with Typha latifolia. Comment
  CAS-BOT-BC111631  Schoenoplectus californicus Peter Rubtzoff 1962-8-3 5030 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC111630  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4580 Sonoma Bodega Harbor Marsh; saline part. Comment
  CAS-BOT-BC366889  Schoenoplectus mucronatus Greg de Nevers 1997-9-29 11097 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  CAS-BOT-BC111844  Schoenoplectus tabernaemontani Peter Rubtzoff 1987-9-27 9850 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC111843  Schoenoplectus tabernaemontani Peter Rubtzoff 1962-7-4 4970 Sonoma Fitch Mtn. Grove, 2 mi. E of Healdsburg. Comment
  CAS-BOT-BC111117  Scirpus microcarpus Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch Comment
  CAS-BOT-BC111118  Scirpus microcarpus Gregory Clark de Nevers 1992-7-25 10234 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 304 Comment
  CAS-BOT-BC111115  Scirpus microcarpus John Thomas Howell 1951-5-28 s.n. Sonoma Laguna east of Sebastopol. Comment
  SEINET12050508  Scoliopus bigelovii F. H. Utech 1988-1 88 -232 Sonoma 0.5 mi S of Ft. Ross Historic Site on CA 1 from junction with Ft. Ross Road at Ft. Ross (mile 32.45) 50 Comment
  SEINET12058064  Scoliopus bigelovii F. H. Utech 1988-3-2 88 -012 Sonoma 0.5 mi S of Ft. Ross Historic Site on CA 1 from junction with Ft. Ross Rd at Ft. Ross (mi 32.45) 50 Comment
  SEINET12058065  Scoliopus bigelovii F. H. Utech 1988-3-2 88 -011 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  UC1132933  Scribneria bolanderi L. W. Whitney 1935-4-14 Sonoma near Occidental 121 Comment
  UC444983  Scrophularia californica Milo S. Baker May 1899 Sonoma Stewart's Canyon Comment
  UCD124849  Scrophularia californica Terri Williamson 1990-5-20 51 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  UC76189  Scutellaria californica Milo S. Baker 1901-1 591 Sonoma Santa Rosa Comment
  UCR255742  Sedella pumila Greg de Nevers 1997-4-16 10941 Sonoma North Coast Range, Moon Mountain Road [NNW of Sonoma] 396 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
  JEPS79622  Selaginella wallacei Edward Lee ca. 1979 Sonoma Gunsight Ranch Hood Mt. Comment
  UCD148366  Senecio minimus Peter Rubtzoff 1955-8-20 2056 Sonoma Bodega Harbor Marsh. Comment
  SJSU14233  Senecio minimus C. W. Sharsmith 1989-5-14 9090 Sonoma Salt Point State Park c. 10 mi NW of Fort Ross Comment
  CAS-BOT-BC364681  Senecio vulgaris Peter Rubtzoff 1973-8-20 7220 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC364680  Senecio vulgaris Walter Knight; Irja Knight 1963-10-14 414 Sonoma Blomquist Ranch, Penngrove Comment
  UC254  Sequoia sempervirens M. Louise Douglass 1898-4-19 Sonoma Glen Ellen Comment
  UC536018  Sequoia sempervirens W. A. Setchell and Victor Duran 1935-3-31 Sonoma Bohemian Grove near Monte Rio (crevices in stone steps leading to Owl Shrine); Bohemian Grove Comment
  SEINET6727390  Sequoia sempervirens L. Fallon 1939-1-2 s.n. Sonoma 15 miles west of Santa Rosa on Guerneville Highway Comment
  CDA31043  Setaria pumila D. G. Kelch, Troy McGregor 2010-8-22 10 .337 Sonoma Geyser Peak Rd. Comment
  UCR275239  Sidalcea Peter Rubtzoff 1976-5-30 8578 Sonoma North Coast Range, east side of Hwy 12, c. 0.75 mile south of Kenwood (0.9 mile south of Warm Springs Road junction) 127 Comment
  CAS-BOT-BC290640  Sidalcea Peter Rubtzoff 1971-6-5 6509 Sonoma Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  CAS-BOT-BC290641  Sidalcea Peter Rubtzoff 1974-5-26 7497 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC187890  Sidalcea calycosa subsp. rhizomata J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma Comment
  RSA79066  Sidalcea diploscypha E. K. Balls, L. W. Lenz 1952-5-8 17108 Sonoma 1.3 miles NE from Mark West Springs along road to Kellogg. Comment
  JEPS113060  Sidalcea hickmanii subsp. viridis Steven A. Harris 2006-5-25 SAH- 001 Sonoma Highway 1, PM 22.93 Comment
  UC1013006  Sidalcea malviflora subsp. purpurea C. L. Hitchcock 1952-6-4 19584 Sonoma one mi n Ft. Ross; n of Ft. Ross Comment
  CAS-BOT-BC213165  Sidalcea oregana subsp. valida Peter Rubtzoff 1973-9-9 7312 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC213167  Sidalcea oregana subsp. valida Milo S. Baker 1932-8-15 6013 Sonoma Marshy road ditch just W. of Kenwood. Comment
  CAS-BOT-BC213168  Sidalcea oregana subsp. valida Milo S. Baker 1932-8-15 6013 Sonoma Marshy road ditch just W. of Kenwood. Comment
  CAS-BOT-BC251240  Silene Peter Rubtzoff 1967-8-28 5860 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC311803  Silene Peter Rubtzoff 1974-5-19 7444 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads, near the end of Hall Road. 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
  CAS-BOT-BC392490  Silene gallica John H. Thomas 1976-6-16 18334 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC392491  Silene gallica John H. Thomas 1976-6-16 18229 A Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC388991  Silene laciniata subsp. californica Roxana S. Ferris; Laura Lorraine 1961-6-15 13552 Sonoma Green Valley Rd. 0.8 mi. E of junction with Harrison Grade Road Comment
  UCD160832  Silene laciniata subsp. californica James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3361 Sonoma Section 10, on the Geysers Road west of The Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC389223  Silene laciniata subsp. californica A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero Comment
  CAS-BOT-BC389224  Silene laciniata subsp. californica G. DeNevers 1981-6-27 1698 Sonoma Pepperwood Ranch. Along Franz Valley Road Comment
  SBBG14879  Silene laciniata subsp. californica A. I. Richardson 1961-6-16 21 Sonoma Sweetwater Springs Rd, 1 mi beyond turn to Armstrong Redwoods State Park, N of Guerneville Comment
  CAS-BOT-BC5809  Silene scouleri subsp. grandis Alice Eastwood 1900-7-4 s.n. Sonoma Bodgea Point Comment
  CAS-BOT-BC75373  Sisymbrium officinale John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53983 Sonoma Fairfield Osborn Preserve of the Nature Conservancy. 457 Comment
  CAS-BOT-BC164421  Solanum Peter Rubtzoff 1969-8-29 6174 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  CAS-BOT-BC166967  Solanum Peter Rubtzoff 1956-9-16 2930 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC164419  Solanum Peter Rubtzoff 1971-8-9 6634 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC164706  Solanum Peter Rubtzoff 1952-6-15 1267 Sonoma Fitch Mountain Grove, near Healdsburg. Comment
  UCD166506  Solanum americanum Peter Rubtzoff 1958-8-9 3837 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UC1125083  Solanum umbelliferum E. Armstrong 1934-3-26 931 Sonoma 4 mi n of Camp Meeker 91 Comment
  CAS-BOT-BC344874  Solidago Peter Rubtzoff 1961-9-6 4745 Sonoma 2 miles northeast of Freestone. Comment
  CAS-BOT-BC368009  Solidago velutina subsp. californica Greg de Nevers 1989-9-15 9104 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UC1070227  Solidago velutina subsp. californica J. B. Spring 1932-6-25 86 Sonoma 2 mi n Agua Caliente; Napa Quad. 243 Comment
  UCD133918  Solidago velutina subsp. californica Frederica Bowcutt 1997-7-19 2197 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Franscio, 10 air miles E of Santa Rosa, 0.5 air miles SSE of Red Mountain, 0.1 air mile ENE of confluence of the Malm Fork and Sonora Creek. Along Meadow Trail E. of Gray Pine Trailhead and N. of Sonora Creek. Downstream of culvert under trail, 411 Comment
  CAS-BOT-BC173686  Soliva sessilis Peter Rubtzoff 1974-5-18 7433 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173831  Soliva sessilis Peter Rubtzoff 1960-5-16 4341 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC365957  Soliva sessilis G. DeNevers 1981-4-30 888 Sonoma Pepperwood Ranch. At Pippindale Garden. Also at Garrison House Comment
  CAS-BOT-BC365958  Soliva sessilis Peter Rubtzoff 1951-6-16 242 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  UCD136143  Sonchus asper subsp. asper J. M. Tucker 1951-6-26 2136 Sonoma at roadside, near summit of range, road from Glen Ellen to Oakville. Comment
  UC1130589  Sparganium erectum subsp. stoloniferum H. S. Yates 1936-5-17 5634 Sonoma 2 mi ne Graton; Sebastopol Quad. 30 Comment
Read comments Sep 25 2008
  RSA20121  Sparganium eurycarpum Roxana S. Ferris 1937-8-18 9373 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC390973  Spergularia marina Alice Eastwood 1921-5-8 10453 Sonoma Petaluma Comment
  CAS-BOT-BC390974  Spergularia marina Walter Knight; Irja Knight 1963-9-29 232 Sonoma Near railroad bridge over Petaluma River ca. 1 mi. s. of Petaluma Comment
  CAS-BOT-BC390725  Spergularia rubra Walter Knight; Irja Knight 1985-9-23 5178 Sonoma Lower Tubbs Island, about 1/4 mile from San Pablo Bay Comment
  CAS-BOT-BC390727  Spergularia rubra Alice Eastwood; John Thomas Howell 1936-5-19 2497 Sonoma Santa Rosa Comment
  CAS-BOT-BC390728  Spergularia rubra Alice Eastwood; John Thomas Howell 1936-5-19 2497 Sonoma Santa Rosa Comment
  RSA800145  Stachys Peter Rubtzoff 1977-9-3 9124 Sonoma Perry Marsh. Comment
  RSA179722  Stachys ajugoides J. T. Howell 1930-6-8 5228 Sonoma Bodega Road, 4 miles east of Valley Ford. Comment
  POM63419  Stachys ajugoides A. A. Heller 1902-6-27 s.n. Sonoma West of Windsor near Russian river. Comment
  UCLA70882  Stachys ajugoides var. rigida C. Epling, Wm. Robison 1935-7-27 Sonoma Shellville Comment
  UC494179  Stachys ajugoides var. rigida H. E. and S. T. Parks 1930-5-9 618 Sonoma small stream at head Alexander Valley Comment
  UCD125802  Stachys albens Mrs. Fred Griffin 1935-8-19 s.n. Sonoma Venada. Comment
  SEINET12332453  Stachys rigida subsp. quercetorum F. H. Utech 1988-1 88 -197 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 Comment
  SEINET9339824  Stachys rigida var. quercetorum Unknown 2010-6-5 16246 Sonoma Sonoma Co., CA Comment
  UCD126062  Stachys rigida var. quercetorum Terri Williamson 1990-5-20 55 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  UCD125568  Stachys rigida var. quercetorum Frederica Bowcutt 1994-5-21 1807 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, about 18 air miles NW of Napa, and about 2.5 air miles NE of Kenwood. Along the Meadow Trail, about 0.25 mile from the trail head. 396 Comment
  UCD126030  Stachys rigida var. rigida J. Adams; J. Weick 1993-5-8 283 Sonoma about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Sugarloaf Ridge State Park. Comment
  CAS-BOT-BC251256  Stellaria media Peter Rubtzoff 1964-7-29 5437 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC293752  Stellaria media Peter Rubtzoff 1955-5-21 1863 Sonoma Forestville Marsh. North-facing slope bordering the marsh in the south. Comment
  CAS-BOT-BC394957  Stellaria media Walter Knight; Irja Knight 1963-12-25 430 Sonoma Waste places - Marshall & Magnolia Aves., Petaluma Comment
  CAS-BOT-BC394958  Stellaria media Walter Knight; Irja Knight 1963-8-13 274 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC397773  Stellaria media Peter Rubtzoff 1952-5-31 1116 Sonoma Pitkin Marsh, near Forestville; Thickets south of the Upper Marsh. Comment
  JEPS78239  Streptanthus barbiger Charley Patterson 1979-6-22 Sonoma ca 3 air mi sw Whispering Pines (recently disturbed fire break); Whispering Pines Quad Comment
Read comments Apr 16 2007
  JEPS96915  Streptanthus barbiger Dean W. Taylor 1998-6-22 16682 Sonoma Geysers Area, serpentine barren along John King Cade Road; headwters Cobb Creek 975 Comment
  JEPS97636  Streptanthus barbiger Annetta M. Carter 1947-5-30 1843 Sonoma 2 mi. E of Occidental. Comment
  UC956502  Streptanthus barbiger Freed W. Hoffman 1947-5-30 1032 Sonoma Layton Mine North Coast Ranges, Main Austin Creek Comment
  UC956504  Streptanthus barbiger Freed W. Hoffman 1948-6-1 2334 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UCD115943  Streptanthus barbiger Roger Raiche 1984-6-10 RR 40212 Sonoma 8.6 miles west on Hot Springs Road from its origin at Rt. 101 near Cloverdale, across from Dry Creek. 198 Comment
  UC1492708  Streptanthus brachiatus Freed W. Hoffman 1950-6-29 3436 Sonoma exposed ridge near Contact Mine (e of Pine Flat, on Sonoma-Lake Co. line); North Coast Ranges 914 Comment
  UCR71159  Streptanthus brachiatus subsp. brachiatus L. F. LaPre 1985-6-25 s.n. Sonoma Vicinity of Socrates Mine, west of Pine Flats Road. Comment
  UC1292754  Streptanthus glandulosus Freed W. Hoffman 1948-5-24 2337 Sonoma Austin Creek road just above Great Easten Quicksilver Mine North Coast Ranges Comment
  UCD167408  Streptanthus glandulosus James Neilson 1977-3-25 3851 Sonoma Mayacmas Mountains, about 3 miles south Pine Flat on Pine Flat Rd. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET4924852  Streptanthus glandulosus H. N. Bolander 3944 Sonoma At the Geysers. Comment
  UC985957  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-8-12 2355 Sonoma near headwaters Main Austin Creek; North Coast Ranges, Caughey Ranch Comment
  UC985960  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-7-29 1063 Sonoma Gabe's Rock North Coast Ranges, Poole Ridge (1 mi nw of Guerneville) Comment
  UC985965  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-17 2342 Sonoma Herr road above Armstrong Woods; North Coast Ranges Comment
  SEINET11998403  Streptanthus glandulosus var. sonomensis Unknown 1986-1 60156 Sonoma W of Healdsburg, Palmer Creek drainage (tributary of Mill Creek) 427 Comment
  JEPS128194  Streptanthus morrisonii Roger Raiche 1999-6-20 015 .99 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1292741  Streptanthus morrisonii Freed W. Hoffman 1946-9-26 1025 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  UCD167021  Streptanthus morrisonii James Neilson 1981-7-1 4046 Sonoma Mayacmas Mountains. Abril Ridge. (Abril Ridge assumed to be on Abril property which, based on other Neilson collections, includes T11N R9W Sect. 15. Exact location unknown, coordinates estimated by label maker.) Comment
  UC1751202  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1946-8-29 1024 Sonoma Red Slide, Bargeman Creek North Coast Ranges Comment
  UC1492812  Streptanthus tortuosus Freed W. Hoffman 1949-7-9 2849 Sonoma on road from Healdsburg to Geysers 1.4 mi from Geyser-Cloverdale road (ledge 200 ft above road); North Coast Ranges 624 Comment
  CAS-BOT-BC274034  Stuckenia pectinata Peter Rubtzoff 1964-8-20 5465 Sonoma 1 mile southeast of Jenner (near crossing of Hwys. 1 & 12). Comment
  RSA800122  Stuckenia pectinata Peter Rubtzoff 1971-9-30 6712 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  RSA799980  Symphoricarpos Peter Rubtzoff 1967-9-2 5877 Sonoma Freestone Marsh. Comment
  RSA799983  Symphoricarpos Peter Rubtzoff 1961-9-6 4735 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  CAS-BOT-BC540812  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  RSA748  Symphoricarpos albus var. laevigatus E. R. Johnson 1928-8-22 s.n. Sonoma Russian River, 1/2 mile E of Cloverdale Comment
  CAS-BOT-BC99378  Symphyotrichum subspicatum Peter Rubtzoff 1958-8-31 3960 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC221966  Taeniatherum caput-medusae G. DeNevers; M. Harding 1981-7-11 1755 Sonoma Pepperwood Ranch. Above Skovie Comment
  CAS-BOT-BC376798  Tanacetum parthenium Lewis S. Rose 1933-9-3 33355 Sonoma 2 mi. w. of Petrified Forest Comment
  HSC100962  Tauschia kelloggii Peter Warner 2011-5-28 201 Sonoma McCullough Ranch and Cresta Ranches, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), northern part of ridge between lower Mill Creek and Mark West Creek. 0 Comment
  POM142582  Tellima grandiflora A. A. Heller 1903-4-23 6612 Sonoma Fort Ross Comment
  UCD106681  Thermopsis californica var. californica Mary M. Hektner 1975-6-3 200 Sonoma Monarch Glen, Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD108607  Thermopsis californica var. californica Jennifer Bury; Peggy Herzog 1993-5-8 273 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. Comment
  SEINET12164396  Thermopsis macrophylla F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -103 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  CAS-BOT-BC66813  Thysanocarpus curvipes Karl H. Rechinger; J. T. Howell 1953-4-12 s.n. Sonoma Hills north of Sonoma. Comment
  CAS-BOT-BC66826  Thysanocarpus curvipes Doris K. Kildale 1928-4-1 4399 Sonoma Top of grade just north of Cloverdale in Redwood Highway. Comment
  RSA0049971  Thysanocarpus radians Peter H. Raven 1913-4-6 1602 Sonoma Lower slopes of Rincon River. 4 miles from Santa Rosa to Sonoma. 243 Comment
  UC570910  Tiarella trifoliata var. unifoliata H. L. Mason 1928-7-11 4888 Sonoma Canyon 2 mi n Fort Ross; n of Fort Ross Comment
  UCD128160  Torilis arvensis John Thomas Howell; Gordon H. True 1967-6-17 42596 Sonoma Arthur E. Cooley ranch at confluence of Galloway and Dry Creeks. 1036 Comment
  RSA47813  Torilis nodosa Roxana S. Ferris, Laura Lorraine 1948-6-9 s.n. Sonoma Franz Valley Road ca. 3/4 mi. from Mark West Road Comment
  UCD165111  Torreyochloa pallida var. pauciflora Peter Rubtzoff 1973-9-9 7320 Sonoma Kenwood Marsh. Comment
  CDA35357  Toxicodendron diversilobum G. D. Barbe 1974-4-29 1783 Sonoma 1 mile south of Washington School Road on Asti Road, south of Asti. 0 Comment
  UCR265093  Toxicoscordion fontanum Ann Howald, Christina Freeman 2015-4-13 3341 Sonoma Inner North Coast Ranges, Annadel State Park, Ledson Marsh, south shore, c. 300 feet north of intersection Pig Flat and Marsh trails 363 Comment
  OBI13449  Trichostema laxum Robert F. Hoover 1965-6-29 9473 Sonoma N of summit on Harrison Grade rd near Occidental Comment
  UC76182  Trichostema laxum Miss M. Alice King Sep 1896 Sonoma near Healdsburg Comment
  UC971948  Trientalis latifolia Martha Meagher 1947-4-6 102 Sonoma county road 1/2 mi w of Freezeout Creek (across Russian River from Duncan's Mills) Comment
  POM316686  Trifolium Patricia Wilder 1965-6-10 3650 Sonoma Seaview road, ca. 1 miles north of junction with Fort Ross road. 549 Comment
  RSA784989  Trifolium Peter Rubtzoff 1974-5-18 7420 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCSC010633  Trifolium R. Morgan 2014-5-12 5637 b Sonoma Bodega Head Comment
  UC80541  Trifolium albopurpureum var. dichotomum Alice Eastwood 1900-4-7 Sonoma Altruria Comment
  CAS-BOT-BC217059  Trifolium amoenum J. W. Congdon 1880-5-1 s.n. Sonoma Santa Rosa Comment
  UC353933  Trifolium barbigerum Milo S. Baker 1928-4-18 2968 a Sonoma 3 mi n Occidental (W. B. Coy Ranch) Comment
  UC1129993  Trifolium ciliolatum H. S. Yates 1934-4-22 3849 Sonoma 2 mi s Mark West; Calistoga quad 152 Comment
  UCD108258  Trifolium ciliolatum Erik Beever 1993-5-8 230 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. Pony Gate Trail. 365 Comment
  UC16480  Trifolium depauperatum var. depauperatum F. T. Bioletti 1892-1 Sonoma Comment
  UCD108373  Trifolium depauperatum var. depauperatum Frederica Bowcutt 1996-3-24 2075 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile south of Red Mountian. Trail head for Lower Bald Mountain Trail at group campsite just west of Sonoma Creek. 381 Comment
  CAS-BOT-BC361339  Trifolium dubium Greg de Nevers 1997-4-24 10975 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD108895  Trifolium fragiferum Frederica Bowcutt 1997-7-18 2186 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
  UCD143709  Trifolium grayi Beecher Crampton 1955-4-5 2410 Sonoma 2 miles north of Trenton, Mark West Station Road. Comment
  SJSU7956  Trifolium hirtum C. C. DeMartini 1961-5-7 Sonoma Healdsburg Comment
  SEINET7067237  Trifolium macraei A. G. Vestal 1947-5-13 s.n. Sonoma Base of dunes, Bodega Head. Coordinate datum: NAD27. UTM Zone 10, 505861mE, 4250832mN. Comment
  UCR255043  Trifolium microcephalum Greg de Nevers 1997-4-24 10976 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  UCD160308  Trifolium obtusiflorum James A. Neilson Jr. 1975-5-23 3202 Sonoma Truit Creek on Big Sulphur Creek. Abril property. (Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC368032  Trifolium repens Greg de Nevers 1998-6-20 11289 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Rogers Apple Orchard. 400 Comment
  CDA121  Trifolium repens D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .277 Sonoma Cavedale Rd. Comment
  UCD38484  Trifolium repens Beecher Crampton 1955-6-17 2936 Sonoma 1/2 mile south of Guerneville. Comment
  RSA94285  Trifolium repens Peter Rubtzoff 1951-8-19 658 Sonoma Near the creek, just north of the Lower Marsh Comment
  UCR255722  Trifolium striatum Greg de Nevers 1998-5-12 11245 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD147006  Trifolium tomentosum Robert E. Preston 2011-4-28 2851 Sonoma Sonoma, in vacant lot N of MacArthur St, between 4th St and Hayes St. 21 Comment
  UCD165165  Trifolium variegatum Peter Rubtzoff 1974-5-26 7485 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UC494185  Trifolium variegatum var. variegatum H. E. and S. T. Parks 1930-5-9 612 Sonoma Knights Valley Comment
  POM21427  Trifolium willdenovii A. A. Heller, H. E. Brown 1902-4-9 5238 Sonoma Three Miles South of Healdsburg. Comment
  UCR142042  Trifolium willdenovii Beecher Crampton 1966-5-10 7722 Sonoma North Coast Ranges, about 2 miles west of Fulton along River Road, NW of Santa Rosa 30 Comment
  RSA66920  Trifolium willdenovii E. K. Balls 1951-5-3 16403 Sonoma Ca. 1 mi. e. from Petrified Forest, road to Calistoga 610 Comment
  CAS-BOT-BC451982  Triglochin striata Peter Rubtzoff 1973-9-15 7328 Sonoma Lower Salmon Creek Marsh. Slough just east of Hwy. 1. Comment
  UC72282  Trillium albidum Milo S. Baker 1898-3-23 696 Sonoma near Melita Melita Comment
  CAS-BOT-BC520842  Trillium albidum G. DeNevers 1982-4-30 1956 Sonoma Pepperwood Ranch: Riparian area at Mark West Creek and Leslie Creek Comment
  SEINET6987684  Triphysaria eriantha subsp. eriantha Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Weedy flat next to maritime grassland; cove at Bodega Head. Comment
  UC1334859  Triphysaria pusilla L. D. Thurman 1964-4-24 435 Sonoma on State Hwy #128, 15 mi nw Calistoga Comment
  CHSC37363  Triphysaria versicolor subsp. faucibarbata R. M. Winchell 1980-4-20 1 Sonoma Along hillside of Bennet Valley Road. Comment
  JEPS75301  Triphysaria versicolor subsp. faucibarbata John E. Moeur 1971-4-17 4 Sonoma along Rainville Road 8 mi nw Petaluma Comment
  UC1334870  Triphysaria versicolor subsp. faucibarbata L. D. Thurman 1964-5-4 468 Sonoma 0.1 mi w of junction of Petaluma-Valley Ford road with Tomales-Petaluma road Comment
  UC194181  Triphysaria versicolor subsp. faucibarbata Michener and Bioletti 1893-6-7 Sonoma Kenwood Comment
  UC535096  Triphysaria versicolor subsp. faucibarbata H. E. Parks 1930-5-9 631 Sonoma Knights Valley Comment
  UC726328  Triphysaria versicolor subsp. faucibarbata A. A. Heller 1940-4-22 15555 Sonoma in a grassy field at Windsor Comment
  CAS-BOT-BC200106  Trisetum canescens Peter Rubtzoff 1951-6-7 111 Sonoma Western branch of the Upper Marsh Comment
  RSA129122  Trisetum canescens H. S. Yates 1936-5-16 5609 Sonoma 1 mile NE of Mountain View School. 91 Comment
  RSA784397  Trisetum canescens Peter Rubtzoff 1971-6-25 6570 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  UCD93589  Trisetum canescens Freed W. Hoffman 1944-5-22 1995 Sonoma Cruz Ranch near Sonoma Coast. Comment
  JEPS77861  Triteleia hyacinthina Robert M. Lloyd 1965-5-8 2625 Sonoma 3 mi n junction Highway 12 with Aqua Caliente Road (meadow across from Lawrence Triangle End Garage) Comment
  CAS-BOT-BC522365  Triteleia hyacinthina Peter Rubtzoff; R. Bacigalupi 1971-6-10 6527 Sonoma On southside of W. Railroad Avenue between Fwy 101 and Stony Point Road Comment
  CAS-BOT-BC522367  Triteleia hyacinthina H. C. Cantelow 1936-5-3 1326 Sonoma N of Shellville Comment
  CAS-BOT-BC522368  Triteleia hyacinthina H. C. Cantelow 1936-5-3 s.n. Sonoma Between Shellville and El Verano Comment
  RSA41933  Triteleia hyacinthina H. C. Cantelow 1938-5-1 749 Sonoma Shellville Road about 25 miles north of Ross Comment
  SEINET7042677  Triteleia hyacinthina A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  CAS-BOT-BC527045  Triteleia laxa Alice Eastwood 1915-6-29 4886 Sonoma Bodega Point Comment
  CAS-BOT-BC527972  Triteleia peduncularis Peter Rubtzoff 1951-6-2 107 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  UC335173  Tropidocarpum gracile Hy. Edwards Apr 1877 139 Sonoma Skaggs Spr. Comment
  SD134038  Typha angustifolia Peter Rubtzoff 1971-7-20 6603 Sonoma Sebastopol - Santa Rosa Hwy. near Wright Road. Ditch Comment
  UCD108657  Ulex europaeus T. I. Storer 1930-6-24 2153 Sonoma Near Bodega. Comment
  CAS-BOT-BC91282  Umbellularia californica Walter Knight; Irja Knight 1963-12-27 476 Sonoma Summit, Pine Flat Road. Comment
  CDA15846  Umbellularia californica G. F. Hrusa, G. L. Stebbins 1993-10-3 11462 Sonoma Sugarloaf Ridge State Park. Trail to Bald Mountain. Midway. 518 Comment
  CAS-BOT-BC403983  Urtica dioica subsp. gracilis Peter Rubtzoff 1959-6-6 4088 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC403984  Urtica dioica subsp. gracilis Peter Rubtzoff 1962-5-30 4854 Sonoma Freestone Marsh Comment
  POM106025  Urtica dioica subsp. holosericea Marcus E. Jones 1882-7-17 3483 Sonoma Duncan's Mills. Comment
  RSA155531  Urtica dioica subsp. holosericea L. S. Rose 1960-9-14 60095 Sonoma Laguna de Santa Rosa, 4 mi E of Graton. 15 Comment
  CAS-BOT-BC193381  Vaccinium ovatum Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma North of Fort Ross Comment
  UC634727  Vaccinium ovatum H. L. Mason 1928-4-8 4289 a Sonoma 2 mi n Fort Ross Comment
  SD58170  Vancouveria planipetala E. Van E. Ferguson 8-10 Jun 1919 248 Sonoma Near Gurnewood Comment
  UC473575  Veratrum fimbriatum John Thomas Howell 1931-9-26 8094 Sonoma 7 mi n Fort Ross Comment
  CAS-BOT-BC376393  Verbascum Greg de Nevers 1993-8-12 10488 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Garrison Canyon. 457 Comment
  UCR248745  Verbascum blattaria Peter Rubtzoff, Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7808 Sonoma Kenwood Marsh 120 Comment
  UCR248897  Verbascum blattaria Peter Rubtzoff 1969-8-24 6142 Sonoma Pond on River Road, 3 miles west of Fulton 27 Comment
  UC1125682  Verbascum thapsus E. Armstrong 1934-3-26 911 Sonoma 2 mi n Camp Meeker; Sebastopol Quad., n of Camp Meeker 91 Comment
  SJSU10585  Verbascum virgatum L. J. Hendricks 1974-5-24 Sonoma N bank Russian R., 0.75 mi W of Healdsburg Comment
  UCR244664  Veronica Peter Rubtzoff 1969-6-14 6082 Sonoma 6.5 mi northeast of Penngrove, on Lichau Road 427 Comment
  CAS-BOT-BC164359  Veronica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 mi. east of Guerneville. At 9981 Old River Road. Comment
  CAS-BOT-BC166807  Veronica americana Peter Rubtzoff 1958-6-1 3694 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC166808  Veronica americana Peter Rubtzoff 1959-6-20 4172 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC262794  Veronica americana Peter Rubtzoff 1973-8-29 7280 Sonoma Sonoma Creek, near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA786488  Veronica americana Peter Rubtzoff 1962-5-11 4813 Sonoma Freestone Marsh Comment
  RSA94356  Veronica americana Peter Rubtzoff 1951-6-9 151 Sonoma Northern half of Lower Marsh. Comment
  RSA264764  Veronica anagallis-aquatica Peter Rubtzoff 1972-6-23 6782 Sonoma Laguna de Santa Rosa northeast of Graton, ca 0.5 mi north of Guerneville Road crossing. Comment
  UCR279619  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1962-5-6 4809 Sonoma Guerneville Marsh Comment
  UCD124783  Veronica scutellata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  SEINET12337131  Veronica serpyllifolia W. Knight, Knight, I.; Knight, T. 1985-1 6359 Sonoma Knight's Lawn, 1513 Royal Oak Drive, Petaluma Comment
  UCSC000433  Vicia sativa subsp. nigra John Thomas Howell 1946-3-31 s.n. Sonoma Near Sonoma Comment
  CDA36953  Vicia sativa subsp. sativa 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
  RSA77970  Vicia villosa Verne Grant, Alva Grant, Adele Lewis Grant 1947-5-4 7959 Sonoma Sebastopol to Santa Rosa Comment
  RSA0057958  Vicia villosa subsp. villosa Greg de Nevers 1998-4-27 11205 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  UC1084366  Vinca major G. Thomas Robbins 1937-3-26 32 Sonoma along rd. to Bodega Bay just w. of Bodega Comment
  CDA34791  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. Comment
  RSA264712  Vinca major Peter Rubtzoff 1974-4-6 7362 Sonoma Salmon Creek canyon 0.25 mi. south of Freestone. Comment
  UC1742245  Viola Milo S. Baker Sonoma Probably gathered in my violet garden (Brookside Garden) Comment
  UC1023467  Viola adunca Leo Koch 1939-4-8 496 Sonoma near Plantation; North Bay, Baxman Ranch Comment
  UC1761581  Viola adunca Leo Koch 1939-4-8 496 Sonoma near Plantation (Baxman Ranch) Comment
  UC1763358  Viola adunca Milo S. Baker 1899-5-6 5506 Sonoma near Sebastopol Comment
  CAS-BOT-BC270243  Viola adunca Walter Knight; Irja Knight 1964-2-27 536 Sonoma Highway 1, Rocky Point, coastal bluffs Comment
  SEINET11992142  Viola adunca F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -151 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  UC1057435  Viola douglasii G. Thomas Robbins 1937-3-25 9 Sonoma 8-10 mi e of Santa Rosa (near Golf and Country Club); Santa Rosa Creek Canyon Comment
  UC518980  Viola douglasii J. Clausen 1933-3-25 732 Sonoma Melita Comment
  UC1763354  Viola douglasii Milo S. Baker 1923-4-27 5512 Sonoma about Santa Rosa Comment
  CAS-BOT-BC536905  Viola glabella Peter Rubtzoff 1959-4-19 4045 Sonoma Sonoma County Marshes: Duncans Mills Marsh, at the border of the upper part of the Marsh Comment
  CAS-BOT-BC536907  Viola glabella Peter Rubtzoff 1955-5-7 1820 Sonoma Sonoma County Marshes: Guerneville Marsh, along the margin of the Marsh where it borders a redwood forest Comment
  CAS-BOT-BC536908  Viola glabella Peter Rubtzoff 1958-5-30 3682 Sonoma Sonoma County Marshes: Duncans Mills Marsh at the border of the upper part of the Marsh Comment
  UCD110882  Viola glabella R. H. Miller 1949-4-6 26 Sonoma Beside Highway 12, 5 miles SE of Monte Rio. Comment
  UC1762374  Viola lobata Freed Hoffman 1951-4-27 3834 Sonoma Mt. St. Helena, along fire road Comment
  UC1761514  Viola lobata Milo S. Baker 1926-3-30 201 b Sonoma 1 mi S of St. Helena Inn (trail to Crater) Comment
  SEINET7040048  Viola lobata subsp. integrifolia A. G. Vestal 1963-5-12 s.n. Sonoma Far point on Spring Mountain Road, 4.4 miles west of St. Helena. Calistoga Quad. UTM Zone 10, 538439mE, 4263542mN. Comment
  UC19289  Viola lobata subsp. lobata F. P. McLean May 1872 Sonoma woods near Geyser Comment
  JEPS128262  Viola ocellata Roger Raiche 2000-4-15 036 .00 Sonoma The Cedars. Azalea Creek, The Blob area, Beargrass Gulch. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC270154  Viola palustris M. S. Baker 1906-5-1 s.n. Sonoma At Kenwood Comment
  UC1742247  Viola viarum Milo S. Baker 1939-4-1 9273 Sonoma Brookside Garden Comment
  CAS-BOT-BC135290  Viscum album Stanley Rose 1966-1-2 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  CAS-BOT-BC135291  Viscum album Stanley Rose 1966-3-13 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  SEINET12230473  Viscum album H. K. Wagnon 1989-1 1850 Sonoma from a broken-off plant at the base of a large tree, Luther Burbank Farm, Sbastopol Comment
  CDA2768  Viscum album subsp. album C. W. Nichols, W. O. McCartney 1966-1-17 Sonoma In back yard of property, 1220 Gravenstein Highway North at Hill Station Road, 1 mile 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
  CAS-BOT-BC199825  Vulpia John H. Thomas 1976-6-16 18347 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC199900  Vulpia bromoides John Thomas Howell 1947-6-26 23314 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC199901  Vulpia bromoides G. DeNevers 1981-4-2 619 Sonoma Cows Udder. In N arm of Garrison Canyon Comment
  JEPS71212  Vulpia bromoides Virginia Bufford 1932-9-23 573 Sonoma 4 mi sw Santa Rosa Comment
  UC576350  Vulpia bromoides H. S. Yates 1937-6-6 6585 Sonoma 3 mi e Jenner; Duncans Mills Quad. 60 Comment
  UC1146644  Vulpia microstachys var. ciliata Freed W. Hoffman 1941-6-1 2184 Sonoma Oregon Canyon; North Coast Ranges Comment
  UC933823  Vulpia microstachys var. ciliata Leo Koch 1940-4-22 824 a Sonoma Geyers; Sulphur Creek Canyon Comment
  CAS-BOT-BC184133  Vulpia microstachys var. microstachys G. DeNevers 1981-6-18 1578 Sonoma W arm of Garrison Canyon Comment
  CAS-BOT-BC184134  Vulpia microstachys var. microstachys G. DeNevers 1981-5-15 1195 B Sonoma N slope of hill above Hansel's Lake Comment<