Search Results — 2000 specimen records retrieved (1249 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

Results for search: County=SONOMA; Source=All;   
Map/download results:

BerkeleyMapper with layers and yellow flags

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

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

(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
A yellow cell in the column headed "?", for records with coordinates, indicates a discrepancy with respect to range as specified in the eFlora. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78078  Abies grandis John Thomas Howell 1930-7-27 5398 Sonoma canyon 1 mile north of Fort Ross Comment
  POM180771  Abies grandis J. T. Howell 1930-7-27 5398 Sonoma Canyon 1 mile N of Fort Ross. Comment
  CAS-BOT-BC78075  Abies grandis Walter Knight; Irja Knight 1964-2-27 538 Sonoma Valley Crossing Comment
  UC146774  Abronia umbellata Katharine Brandegee 1905-6-1 Sonoma Bodega Head Comment
  CAS-BOT-BC203226  Abutilon Peter Rubtzoff 1971-6-5 6509 Sonoma Bennett Valley Road, 4.25 mi. west of Glen Ellen Comment
  UCR255648  Abutilon theophrasti Greg de Nevers 1997-9-10 11087 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC268102  Acacia Peter Rubtzoff 1973-8-21 7252 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  SEINET9342872  Acacia dealbata John Nelson, Wnek, R. 2000-3-6 20955 Sonoma Sonoma County Comment
  UC1562992  Acaena novae-zelandiae Melena Schneider 1990-8-16 Sonoma Salt Point State Park, both sides of Highway 1 near 1 mile marker 43.35. Comment
  UCD160514  Acaena novae-zelandiae Daniel Potter; T. Harrington, M. Harrington, P. Lash, T. Potter. 2013-10-24 702 Sonoma Salt Point State Park, along Highway 1 at mile marker 43.66. 53 Comment
  CAS-BOT-BC451109  Acaena pinnatifida var. californica Greg de Nevers 1996-8-28 10860 Sonoma Trail from Shell Beach to Pomo Campground. 40 Comment
  CDA40635  Acaena pinnatifida var. californica M. Lusk 1967-5-5 s.n. Sonoma Christmas tree planting, Santa Rosa. 0 Comment
  UCD67995  Acer macrophyllum S. M. Smukler 1995-6-3 19 Sonoma Across from Mark West Query, 4611 Porter Creek Road, at top of bank on North side of Porter Creek. In a riparian plant association. A tree, 20 m high. 100 Comment
  JEPS79727  Achillea millefolium Edward Lee with W. A. Setchell 1936-6-7 2192 Sonoma Bohemian Grove Comment
  UCD151201  Achnatherum lemmonii James A. Neilson Jr. 1974-7-10 2818 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  UC88432  Achyrachaena mollis W. E. Bryant Sonoma Healdsburg Comment
  UCD103773  Acmispon americanus var. americanus Frederica Bowcutt 1984-6-23 430 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along Sonoma County Coast. Immed. SW of park entrance, W of Hwy 1 and NW of Gerstle Cove along park road. 30 Comment
  UCD161298  Acmispon glaber James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3709 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  NY380622  Acmispon gracilis A. A. Heller 1902-6-24 5754 Sonoma Near Burke's Santarium Comment
  UCD104289  Acmispon parviflorus Botany 102 Students 1993-4-24 93 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 Hillside Trail, S of Sonoma Creek. 411 Comment
  UCD104330  Acmispon parviflorus Helen K. Sharsmith 1963-5-25 5475 Sonoma Road from Freestone to Occidental. 121 Comment
  CAS-BOT-BC139921  Adenostoma fasciculatum Walter Knight; Irja Knight 1963-8-23 193 Sonoma Joost Ranch, Calistoga Rd. Comment
  CAS-BOT-BC139922  Adenostoma fasciculatum Walter Knight; Irja Knight 1963-12-27 462 Sonoma Summit, Pine Flat Rd. Comment
  CDA31293  Adenostoma fasciculatum D. G. Kelch 2010-5-3 10 .2 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCD137173  Adiantum aleuticum Mary M. Hektner 1975-6-3 203 Sonoma Unit 35-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  JEPS82260  Adiantum capillus-veneris Roger Raiche 1983-6-25 30423 Sonoma ca 1 mi w Laton Mine (headwaters of Austin Creek, The Cedars) 365 Comment
  UC1063726  Adiantum jordanii E. Armstrong 1934-3-26 909 Sonoma 1 mi nw Camp Meeker; Sebastopol Quadrangle 121 Comment
  SEINET11719537  Adiantum jordanii F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -273 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CDA1677  Aegilops triuncialis T. C. Fuller 1960-6-14 4485 Sonoma J. Black Ranch, River Road, ca. 6 miles E/ Cloverdale. 0 Comment
  UCR254921  Aegilops triuncialis Greg de Nevers 1989-1 9066 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD51559  Aegilops triuncialis T. C. Fuller 1960-6-14 4484 Sonoma Weeks Ranch, Los Alamos Road, 8 miles NE/Santa Rosa. Comment
  UCD166070  Agoseris Peter Rubtzoff 1971-5-30 6479 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  SD40007  Agoseris apargioides Edith A. Purer 1932-7-24 Sonoma Near Bodega Bay. Comment
  CAS-BOT-BC22784  Agoseris heterophylla Alice Eastwood 1921-5-8 10480 Sonoma Petaluma Comment
  SEINET3141171  Agoseris hirsuta L. S. Rose 1940-5-22 40367 Sonoma Sonoma 61 Comment
  CAS-BOT-BC166696  Agrostis Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7848 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC166700  Agrostis Peter Rubtzoff 1974-5-25 7453 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC176404  Agrostis Peter Rubtzoff 1971-6-25 6558 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  CAS-BOT-BC210013  Agrostis Peter Rubtzoff 1968-6-25 5911 Sonoma Lichan Marsh. Comment
  RSA785907  Agrostis Peter Rubtzoff 1977-9-4 9130 Sonoma Cunningham Marsh area. Ca 1 air mile WSW of Cunningham Station Comment
  UCD166338  Agrostis Peter Rubtzoff 1968-8-24 5933 Sonoma Upper Salmon Creek Marsh. Comment
  SEINET3916115  Agrostis clivicola Beecher Crampton 1957-7-11 4320 Sonoma Sonoma County, 0.5 mile north of Salmon Creek, Sonoma Coast state park, along State Highway 1.; 0 Comment
  JEPS116510  Agrostis densiflora Peter Warner, Sarah Gordon 2009-6-14 105 Sonoma Pepperwood Presrve; ; ; Pepperwood Preserve, Franz Valley Road approx 50 m S of barn, in low-lying swale in grassland 328 Comment
  UCD37156  Agrostis densiflora Beecher Crampton 1957-7-11 4350 Sonoma Sonoma County, 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  UCD51887  Agrostis densiflora Beecher Crampton 1957-7-11 4331 Sonoma Sonoma Coast State Park, 0.9 miles north of Salmon Creek. Comment
  UCD51896  Agrostis densiflora Beecher Crampton 1957-7-22 4391 Sonoma 11.1 miles south of Stewart's Point, above Stillwater Cove. Comment
  UCD51967  Agrostis densiflora P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCD51987  Agrostis densiflora Beecher Crampton 1957-7-11 4329 Sonoma Sonoma Coast State Park, 0.9 miles north of Salmon Creek. Comment
  UCD52010  Agrostis densiflora Beecher Crampton 1957-7-22 4360 Sonoma 5.3 miles north of Stewart's Point, State Hwy. 1. Comment
  CAS-BOT-BC127404  Agrostis elliottiana Catherine Best 1993-5-6 1413 Sonoma Pepperwood, growing in Weimar Meadow. Comment
  CAS-BOT-BC361400  Agrostis elliottiana Greg de Nevers 1993-5-6 10437 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd., at Weimar Flat 457 Comment
  CAS-BOT-BC126968  Agrostis exarata A. A. Heller 1902-6-27 5779 Sonoma West of Windsor near Russian River. Comment
  UCD52078  Agrostis exarata Beecher Crampton 1959-6-16 5391 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  UCD52413  Agrostis exarata Freed W. Hoffman 1944-5-30 2014 Sonoma Russian River, Guernewood Park. Comment
  UCD36636  Agrostis exarata Beecher Crampton 1955-6-8 2830 Sonoma Sonoma County, at Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  RSA129614  Agrostis hallii H. S. Yates 1936-5-16 5582 Sonoma 1 mile northeast of Graton. 30 Comment
  UC1011207  Agrostis hallii Virginia Bufford 1936-5-21 370 Sonoma near Skaggs Springs Comment
  CAS-BOT-BC138856  Agrostis microphylla Beecher Crampton 1966-5-10 7727 Sonoma 6.5 miles north of Sonoma, State Highway 12. Comment
  SEINET7953066 Image available Agrostis microphylla Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen) 189 Comment
  UCD33096  Agrostis microphylla Beecher Crampton 1966-5-10 7727 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  UCD53053  Agrostis microphylla Freed W. Hoffman 1941-6-20 2088 Sonoma Dutch Hill Creek. Comment
  CAS-BOT-BC138912  Agrostis pallens Roxana S. Ferris; Laura Lorraine 1961-6-15 13568 Sonoma About 1/8 mile beyond County Dump. Comment
  CAS-BOT-BC138926  Agrostis pallens G. DeNevers 1981-6-20 1592 Sonoma Pepperwood Ranch. Confluence of Mark West Creek and Leslie Creek. Comment
  CAS-BOT-BC138911  Agrostis pallens 1947-5-12 11762 Sonoma On Hood Mountain along horse trail. 426 Comment
  UCD53151  Agrostis pallens R. Tofsrud 1951-6-1 s.n. Sonoma summit of Oakville to Kenwood road. Comment
  SD56669  Agrostis stolonifera Darley F. Howe 1963-7-3 3586 Sonoma 20 miles north of junction with #12 on #1. Comment
  UCD53458  Agrostis stolonifera P. B. Kennedy 1917-8-27 s.n. Sonoma Del Mar. Comment
  UCD53596  Agrostis stolonifera Peter Rubtzoff 1951-7-21 508 Sonoma Between the Upper and the Lower marshes, near Forestville. Comment
  UCD53477  Agrostis stolonifera var. maritima P. B. Kennedy 1916-7-17 325 Sonoma Del Mar. Comment
  RSA94464  Aira caryophyllea Peter Rubtzoff 1951-6-16 230 Sonoma Lower part of the upper marsh. Comment
  CAS-BOT-BC138390  Aira caryophyllea var. capillaris L. R. Abrams 1918-4-27 6903 Sonoma Independence School near Healdsburg. Comment
  CAS-BOT-BC138213  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1951-6-16 230 Sonoma Pitkin Marsh near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC182740  Alisma Peter Rubtzoff 1975-8-16 8326 Sonoma Bennett Mtn. Lake Comment
  UCD137911  Alisma lanceolatum Ellen Dean 2006-6-28 3179 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. In southeast part of vineyard where a new reservoir is planned 169 Comment
  CAS-BOT-BC445346  Alisma lanceolatum Peter Rubtzoff 1955-8-27 2105 Sonoma East Guernewood, near Guerneville. Comment
  SBBG39698  Alisma lanceolatum P. Rubtzoff 1955-7-16 1959 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC445460  Alisma triviale Peter Rubtzoff 1951-7-28 565 Sonoma Pitkin Marsh, near Forestville.Lower part of the Upper Marsh Comment
  RSA0051269  Allium Greg de Nevers 1993-5-17 10450 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Devil's Kitchen east of 3865 Franz Valley Road. 100 Comment
  CAS-BOT-BC344923  Allium Peter Rubtzoff; Elizabeth S. Lennon 1974-6-8 7571 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC469108  Allium dichlamydeum John Thomas Howell 1930-6-8 5282 Sonoma 8.5 miles north of Bodega Bay Comment
  SEINET12031413  Alnus rhombifolia F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -256 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  RSA800208  Alnus rubra Peter Rubtzoff 1973-10-10 7338 Sonoma Salmon Creek, 0.25 mi south of Freestone along creek canyon. Comment
  RSA800595  Alnus rubra Peter Rubtzoff 1966-11-9 5836 Sonoma Salmon Creek near Freestone. Comment
  CAS-BOT-BC540840  Amaranthus Peter Rubtzoff 1973-9-4 7300 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville Comment
  RSA799979  Amaranthus Peter Rubtzoff 1973-10-10 7345 Sonoma American Creek area, 2 mi west of Bloomfield. Comment
  UCD164984  Amaranthus Peter Rubtzoff; Nancy Harrison, Ruth Hass, Charles Quibell 1974-8-31 7846 Sonoma Southern area of Kenwood Marsh, ca. 0.5 miles south of Kenwood. Comment
  UCD165118  Amaranthus Peter Rubtzoff 1973-10-10 7345 Sonoma American Creek area, 2 miles west of Bloomfield. Comment
  CAS-BOT-BC135665  Amelanchier utahensis Greg de Nevers 1987-4-25 8156 Sonoma Pepperwood Ranch Natural Preserve, 3500 Rranze Valley Rd., Santa Rosa 400 Comment
  UCD158732  Amelanchier utahensis Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Along Big Sulphur Creek. Ca. 2 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 853 Comment
  UCD56002  Ammophila arenaria Beecher Crampton 1957-7-11 4317 Sonoma west of Bodega Harbor, 1-2 miles, by road, west of the town of Bodega Bay. Comment
  CAS-BOT-BC137887  Ammophila arenaria Catherine Best 1981-5-2 s.n. Sonoma On the south side of the mouth of the Russian River. Comment
  SEINET3917971  Ammophila arenaria K. Thorne 1984-11-21 3659 Sonoma Sea Ranch, 2.5 mi S of Gualala, stabilized coast dunes old sheep ranch.; 0 Comment
  JEPS87225  Amorpha californica var. napensis Jack and Betty Guggolz 1992-5-9 1282 Sonoma 1/2 mi nw Buzzard Peak (ne of Santa Rosa) 271 Comment
  SEINET7062934  Amorpha californica var. napensis A. G. Vestal 1947-5-16 s.n. Sonoma About 8.2 miles east of Windsor on Porter Creek Road. UTM Zone 10, 528660mE, 4266821mN. (WGS84/NAD83). 329 Comment
  CAS-BOT-BC222277  Amsinckia John Thomas Howell 1934-3-25 11778 Sonoma Lakeville Comment
  UC1084547  Amsinckia spectabilis Peter Kamb 1952-5-30 2300 Sonoma n of Bodega Head (dunes between Bodega Harbor and the ocean) 6 Comment
  UC725783  Amsinckia spectabilis A. A. Heller 1940-5-17 15629 Sonoma n of Bodega Bay Comment
  SD41476  Anagallis arvensis Edith A. Purer 1932-7-21 4052 Sonoma Bodega Bay, sea bluff Comment
  SEINET11993493  Anagallis arvensis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -172 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 485 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
  SEINET11845329  Ancistrocarphus filagineus Unknown 1986-1 60049 Sonoma NW of Healsburg, Lake Sonoma area, Rockpile Road ridge, ca 1 mi N of bridge over lake 351 Comment
  UC1011023  Andropogon virginicus var. virginicus Virginia Bufford 1936-8-19 412 Sonoma Pitkin's Marsh; Pitkin's Marsh - Vine Hill District Comment
  CAS-BOT-BC361386  Anemone oregana Greg de Nevers 1997-2-28 10902 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa W of Tower-in-Saddle, along fence line downhill from gate to Shurtleff property 400 Comment
  UC8919  Anemone oregana J. Burtt Davy 1896-3-15 1674 Sonoma Fort Ross Comment
  CAS-BOT-BC221435  Angelica hendersonii David D. Keck; J. Clausen 1935-6-15 3373 Sonoma 1 mile north of Salmon Creek Comment
  CAS-BOT-BC271436  Anisocarpus madioides Volney Rattan 1877-6-16 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC271523  Anisocarpus madioides Edw. L. Greene 1894-6-14 s.n. Sonoma Knight's Valley Comment
  CAS-BOT-BC173816  Anthemis cotula Peter Rubtzoff 1969-8-14 6133 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  CAS-BOT-BC173822  Anthemis cotula Peter Rubtzoff 1969-8-29 6172 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  UCD148409  Anthemis cotula Peter Rubtzoff 1958-8-9 3834 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  RSA293047  Anthemis fuscata Reino Alava 1957-3-23 524 Sonoma Along the State Highway no. 101 at Asti Comment
  JEPS71147  Anthoxanthum aristatum Eleanor Armstrong 1932-6-9 191 Sonoma near Camp Meeker 121 Comment
  RSA129297  Anthoxanthum odoratum H. S. Yates 1937-6-6 6583 Sonoma 1 mile E. of Duncan Mills 91 Comment
  UCD151205  Anthoxanthum odoratum James A. Neilson Jr. 1974-7-10 2819 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  UC249613  Anthriscus caucalis Joseph P. Tracy 1921-5-26 5799 Sonoma near Cloverdale (on road towards Hopland); Northern Coast Ranges 304 Comment
  CDA5342  Anthriscus caucalis T. C. Fuller 1967-6-7 15932 Sonoma Matheson property, Upland Road, 2 miles north & 1 mile west of Petaluma. 0 Comment
  UCD126273  Anthriscus caucalis Frederica Bowcutt 1996-5-19 2137 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air milse N of Kenwood, and 18 air miles NW of Napa. About 1 air mile S of Red Mtn in Adobe Canyon near office and corral. 396 Comment
  JEPS103955  Antirrhinum vexillocalyculatum subsp. breweri Jack and Betty Guggolz 1991-6-20 1193 Sonoma ridge running W from an old homesite, about 1 1/4 mi N of Camp Meeker 161 Comment
  JEPS82255  Antirrhinum vexillocalyculatum subsp. breweri Roger Raiche 1983-8-6 30583 Sonoma headwaters (creek has no name) of Austin Creek (the Cedars) 457 Comment
  UC26380  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum J. Burtt Davy 1894-12-9 867 Sonoma Kenwood Comment
  UC192719  Antirrhinum virga Michener and Bioletti May 1893 Sonoma Hood's Peak Comment
  POM82406  Apium graveolens Marcus E. Jones 1882-7-17 3604 Sonoma Duncan's Mills. Comment
  UC921201  Apocynum androsaemifolium Milo S. Baker 1939-5-19 9334 Sonoma Gravenstein Hwy. a mile or two s. of Sousa's Cornera Comment
  UC465565  Aquilegia Milo S. Baker 1903-10-1 Sonoma along grade to Clayton Place Hood Mt. Comment
  RSA0125766  Arabis glabra A. A. Heller, H. E. Brown 1902-5-29 5929 Sonoma Mt. Hood Comment
  SEINET7258081  Arbutus menziesii L. Fallon 1939-1-2 s.n. Sonoma 10 miles west of Guerneville Comment
  CAS-BOT-BC56912  Arctostaphylos John Thomas Howell 1934-3-3 11748 Sonoma Between Fort Ross and Stewart's Point Comment
  RSA629203  Arctostaphylos Jon E. Keeley 1993-9-11 24780 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629210  Arctostaphylos Jon E. Keeley 1993-9-11 24790 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629217  Arctostaphylos Jon E. Keeley 1993-9-11 24782 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629226  Arctostaphylos Jon E. Keeley 1993-9-11 24796 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1042531  Arctostaphylos John Thomas Howell 1933-4-2 10948 Sonoma 8 mi w Santa Rosa Comment
  UC535027  Arctostaphylos H. F. Copeland 1932-3-18 A 4 Sonoma n Santa Rosa; Rincon Ridge Comment
  UC549554  Arctostaphylos J. E. Adams 1934-3-28 718 Sonoma near Santa Rosa; Vine Hill Comment
  UC909870  Arctostaphylos J. E. Adams 1934-3-28 720 Sonoma near Santa Rosa; Vine Hill School Comment
  UC1388323  Arctostaphylos X candidissima Freed W. Hoffman 1947-9-29 505 Sonoma headwaters of creek North Coast Ranges, Main Austin Creek, Layton Mine Comment
  CAS-BOT-BC24081  Arctostaphylos bakeri Lewis S. Rose 1955-3-21 55031 Sonoma 2 mi. NE of Occidental 213 Comment
  CAS-BOT-BC24124  Arctostaphylos bakeri Lewis S. Rose 1934-2-22 34032 Sonoma 2 mi. E of Occidental Comment
  CHSC67659  Arctostaphylos bakeri James D. Jokerst 1989-4-13 3095 Sonoma NE side of Hawson Grade Rd 0.4 mi N of its junction with Stoetz Rd., ca. 1 mi NE of Camp Meeker, N of Occidental, W of Santa Rosa. 228 Comment
  UC1120878  Arctostaphylos bakeri A. E. Wieslander 1936-9-19 706 Sonoma 1 mi nw Occidental; Sebastopol Quadrangle Comment
  UC518012  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10956 Sonoma 2 mi e Occidental Comment
  UC549713  Arctostaphylos bakeri J. E. Adams 1935-3-1 1029 Sonoma 2 mi w Occidental Comment
  UCD170265  Arctostaphylos bakeri S. J. Seybold; M. A. Siefker 2017-11-14 s.n. Sonoma Vadasz Vineyards, 18070 Carriger Road. Located behind main house on property. 64 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
  CDA38595  Arctostaphylos bakeri Jim Jokerst, Virginia Getz 1988-3-16 3049 Sonoma Healdsburg near water reservoir across highway from Simi Winery. 0 Comment
  RSA107837  Arctostaphylos bakeri subsp. bakeri L. S. Rose 1955-3-21 55031 Sonoma 2 mi NE of Occidental 213 Comment
  RSA164630  Arctostaphylos bakeri subsp. bakeri Percy C. Everett 1963-11-21 24566 Sonoma Harrison Grade, northeast of Occidental. 76 Comment
  RSA622708  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24708 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  JEPS38622  Arctostaphylos canescens Willis L. Jepson 1894-7-19 14699 Sonoma Mt. St. Helena Napa River Basin Comment
  UCD166539  Arctostaphylos canescens Dylan O. Burge 2016-2-16 2040 Sonoma Gilfillian Vineyard, roadside on Cavedale Road. 400 Comment
  UCSB24459  Arctostaphylos canescens McMinn, Howard 1936-4-4 Sonoma Ridge near R. L. Stevenson Monument, Mt. St. Helena Comment
  CAS-BOT-BC23885  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12894 Sonoma Rincon Ridge NE of Santa Rosa Comment
  CAS-BOT-BC23892  Arctostaphylos canescens subsp. sonomensis Walter Knight; Irja Knight 1985-12-29 6376 Sonoma Santa Rosa, Rincon Ridge. Montecito Drive and Rockridge Road, Finley property. 121 Comment
  CAS-BOT-BC23894  Arctostaphylos canescens subsp. sonomensis Walter Knight; Irja Knight 1963-11-21 424 Sonoma Rincon Ridge - Sones' Backyard. Comment
  CDA12242  Arctostaphylos columbiana G. F. Hrusa 1989-1-1 5796 Sonoma North Coast Biodiversity Arena; Approx. 5 miles N of Fort Ross on Hwy 1. Comment
  UC1388311  Arctostaphylos columbiana Freed W. Hoffman 1947-12-1 2747 Sonoma Salt Point North Coast Ranges Comment
  UC549703  Arctostaphylos columbiana J. E. Adams 1934-3-28 744 Sonoma coastal bluff s McNamees Store (nw Sonoma Co.) Comment
  CAS-BOT-BC25017  Arctostaphylos densiflora Elmer I. Applegate 1932-3-19 7028 Sonoma Roadside just W of Vine Hill Schoolhouse, about 10 mi Westerly from Santa Rosa. Type Station. Comment
  CAS-BOT-BC25020  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill Schoolhouse. Comment
  JEPS98815  Arctostaphylos densiflora Walter Knight 1967-3-19 Sonoma Vine Hill School Road ca. 100 yds W of the school on N side of road and across fence at edge of vineyard Comment
  POM215711  Arctostaphylos densiflora Jens Clausen 1933-3-26 743 Sonoma Vine Hill School House, 10 miles west of Santa Rosa, along road. Comment
  SBBG28862  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma near Vine Hill School House Comment
  UC518978  Arctostaphylos densiflora J. Clausen 1933-3-26 743 Sonoma 10 mi w Santa Rosa (along road); Vine Hill Schoolhouse Comment
  UC549450  Arctostaphylos densiflora J. E. Adams 1934-3-28 723 Sonoma Vine Hill School Sta. Rosa Comment
  SEINET11998358  Arctostaphylos densiflora W. Knight, Knight, I.; Wells, P. V. 1985-1 6380 Sonoma Vine Hill School Rd, CNPS Preserve 46 Comment
  CAS-BOT-BC361404  Arctostaphylos glandulosa Greg de Nevers 1994-3-18 10514 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. 457 Comment
  JEPS98886  Arctostaphylos glandulosa subsp. cushingiana James Roof 1967-3-19 Sonoma W of Healdsburg (Dorman Canyon Road); Dry Creek watershed Comment
  CAS-BOT-BC24719  Arctostaphylos glandulosa subsp. glandulosa Greg de Nevers 1994-3-18 10514 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 457 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
  JEPS79449  Arctostaphylos glandulosa subsp. glandulosa Edward Lee with W. A. Setchell 1936-6-7 2197 Sonoma s ridge Bohemian Grove Comment
  RSA107843  Arctostaphylos glandulosa subsp. glandulosa L. S. Rose 1955-3-21 55035 Sonoma Rincon Ridge, 2 mi. NE of Santa Rosa. 152 Comment
  UC1120203  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-3-8 1569 A Sonoma 1 1/2 mi n County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  RSA631198  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24728 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  SEINET11993014  Arctostaphylos hispidula W. Knight, Knight, I.; Edwards, S. W. 1985-1 5174 Sonoma 7.7 mi from W end of Sonoma Lake bridge on Rockpile Road, about 100 yards W of road Comment
  RSA633063  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24714 Sonoma Along Calistoga Road, 8.5 km southwest of Highway 128. 360 Comment
  UCD59187  Arctostaphylos manzanita Roger Raiche 1982-11-20 20860 Sonoma On serpentine of Morrison Ridge. Gilliam Greek watershed. East Austin Creek State Rec. Area. 304 Comment
Read comments
Oct 17 2013
  RSA633056  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27490 Sonoma Stewarts Road ca. 3 km west of Forestville. 120 Comment
Read comments
Feb 21 2013
  SEINET11987348  Arctostaphylos manzanita W. Knight, Knight, I. 1981-1 3962 Sonoma 2.3 mi up Cavedale Road from junction of CA 12 Comment
  SEINET11989192  Arctostaphylos manzanita S. W. Edwards 1982-1 s.n. Sonoma The Cedars Ridge N of Cazadero, NW of King Ridge Road at source of Big Austin Creek Comment
  SEINET11990967  Arctostaphylos manzanita Unknown 1983-1 30499 J Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11991024  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4571 Sonoma The Cedars, near Cazadero 274 Comment
  SEINET11991948  Arctostaphylos manzanita W. Knight, Knight, I. 1984-1 5056 Sonoma Alta Vista Lane, Rincon Ridge, Santa Rosa Comment
  SEINET11996224  Arctostaphylos manzanita J. T. Vale, Wagnon, K. 1989-1 s.n. Sonoma Cavedale Road 305 Comment
  SEINET11977792  Arctostaphylos manzanita subsp. bakeri C. M. Belshaw 1936-1 1553 Sonoma 1 mi NE of Occidental 37 Comment
  CAS-BOT-BC38909  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11299 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38676  Arctostaphylos manzanita subsp. manzanita Stephen W. Edwards 1982-5-30 s.n. Sonoma The Cedars Ride north of Cazadero, northwest of King Ridge Road at source of Big Austin Creek on serpentine. Comment
  CAS-BOT-BC38682  Arctostaphylos manzanita subsp. manzanita Catherine Best 1981-2-15 s.n. Sonoma Trinity Mt. Road between Sonoma and Napa Valleys Comment
  CAS-BOT-BC38684  Arctostaphylos manzanita subsp. manzanita Roman Gankin 1957-11-1 248 Sonoma Vine Hill Shcool Road, .1 mile east of junction with Vine Hill road, ca. 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38695  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4751 Sonoma The Cedars, near Cazadero 274 Comment
  CAS-BOT-BC38739  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1963-12-27 470 Sonoma Pine Flat Road Comment
  POM209630  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  SBBG60025  Arctostaphylos manzanita subsp. manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 mi W of Santa Rosa Comment
  UC674749  Arctostaphylos manzanita subsp. manzanita E. A. Goldman 1907-12-29 75 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38693  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight; Jacob Sigg 1981-3-11 4158 Sonoma From Strybing Arboretum, Golden Gate Park, San Francisco, #68-88, via Univ. of Cal. Davis, their #67.718. Comment
  UC909864  Arctostaphylos nummularia J. E. Adams 1934-3-28 742 Sonoma s McNamees Store Comment
  CAS-BOT-BC45400  Arctostaphylos nummularia G. L. Stebbins 1970-7-14 1055 Sonoma Three miles nw. of Plantation. 274 Comment
  SBBG28819  Arctostaphylos patula H. F. Copeland 1932-3-18 A 4 Sonoma Rincon Ridge, N of Santa Rosa Comment
  CAS-BOT-BC43881  Arctostaphylos stanfordiana Lewis S. Rose 1955-2-28 55008 Sonoma 2 mi. w. of Graton 121 Comment
  CAS-BOT-BC47331  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1963-9-1 259 Sonoma Pine Mt. Rd. NE of Cloverdale. Harold Smith Ranch. Comment
  CAS-BOT-BC47343  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5764 Sonoma Rincon Ridge near Santa Rosa. Comment
  CAS-BOT-BC47345  Arctostaphylos stanfordiana C. Hart Merriam 1925-7-8 s.n. Sonoma Coast Mountains near Kachia Rancheria about 5 mi. e of Stewarts Point. Comment
  JEPS98844  Arctostaphylos stanfordiana unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  LA42283  Arctostaphylos stanfordiana H. F. Copeland; 1933-3-18 A 11 Sonoma Spring Mountain Road, about 8 mi. E of Santa Rosa Comment
  LA42284  Arctostaphylos stanfordiana H. F. Copeland; 1933-3-18 A 6 Sonoma Rincon Ridge, near Santa Rosa Comment
  OBI14515  Arctostaphylos stanfordiana Robert F. Hoover 1963-1-12 8547 Sonoma Cavedale rd, Hoods Peak Range Comment
  RSA636818  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24740 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC424812  Arctostaphylos stanfordiana Milo S. Baker 1930-2-21 3878 a Sonoma Rincon Ridge Comment
  UCD53851  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 692 Sonoma On Rincon Ridge; near end of Parker Hill Road; ca. 4 miles north of Santa Rosa. Comment
  SEINET11984942  Arctostaphylos stanfordiana Unknown 1966-1 686 Sonoma S of Hooker Canyon at point directly opposite canyon from Cavedale Rd, 3.1 mi E of junction of CA 12 Comment
  JEPS83499  Arctostaphylos stanfordiana subsp. decumbens Jack and Betty Guggolz 1986-2-22 847 Sonoma Sones-Finley properties Comment
  JEPS95229  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  JEPS95231  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  JEPS95232  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  JEPS95235  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  RSA297193  Arctostaphylos stanfordiana subsp. stanfordiana Edward Lee, W. A. Setchell 1936-6-7 2190 Sonoma South ridge fire trail, Bohemian Grove. Comment
  UCD52446  Arctostaphylos viscida Freed W. Hoffman 1947-9-29 513 Sonoma Layton Mine, Austin Creek, Sonoma County. Comment
  SEINET11991028  Arctostaphylos viscida W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4750 Sonoma The Cedars, on Twitchell Ranch near Cazadero 305 Comment
  CDA11146  Arctostaphylos viscida subsp. pulchella G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11557 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Comment
  RSA8490  Arctostaphylos viscida subsp. pulchella J. T. Howell 1933-4-2 10939 Sonoma Sonoma Creek Canyon. Comment
  UC1121430  Arctostaphylos viscida subsp. pulchella A. E. Wieslander 1938-10-29 849 Sonoma 3 mi e Mt. St. Helena; Calistoga Quadrangle Comment
  CAS-BOT-BC47466  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight 1963-9-15 290 Sonoma Los Alamos Rd., Santa Rosa Comment
  RSA13420  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-18 A- 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa. Comment
  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
  CAS-BOT-BC64590  Armeria maritima subsp. californica John H. Thomas 1976-6-15 18288 Sonoma S. end of the Sea Ranch, northwestern part of county, about 7 mi. s. of Gualala. 30 Comment
  CDA11042  Arnica discoidea G. F. Hrusa, G. L. Stebbins, J. McCaskill 1993-9-14 11422 Sonoma North Coast Biodiversity Arena; Cavedale Rd. 2.5 m. E of Hwy 12. Comment
  RSA417301  Artemisia douglasiana Edith A. Purer 1932-7-24 s.n. Sonoma Bodega Bay. Comment
  SD41469  Artemisia douglasiana Edith A. Purer 1932-7-24 Sonoma Near Bodega Bay Comment
  UCR280151  Artemisia douglasiana Peter Rubtzoff 1973-8-31 7292 Sonoma Upper Green Valley Marsh, slope of Green Valley Road 164 Comment
  CAS-BOT-BC90486  Artemisia douglasiana Robert M. King 1980-7-8 8409 Sonoma Vicinity of Bodega Bay Comment
  CAS-BOT-BC90490  Artemisia douglasiana Mary P. Wells 1982-8-21 s.n. Sonoma Gerstle Cove, Salt Point State Park Comment
  UCD138095  Arum italicum L. M. Harwood 1972-1-1 s.n. Sonoma 5420 Volkerts Road, near junction with Hessel Road, around 4.5 miles southeast of Sebastopol. Comment
  UC6177  Asarum caudatum Dr. Lorini Jun 1896 Sonoma Mount St. Helena Comment
  UCSB40584  Asarum caudatum Takeda, Brian 1978-5-28 Sonoma 20 miles north of Bodega Bay on highway 1 in a small Redwood canyon Comment
  UC1197607  Asclepias fascicularis Joseph P. Tracy 1937-8-28 15678 Sonoma Knights Valley; North Coast Ranges 152 Comment
  CAS-BOT-BC222859  Asclepias solanoana Helen K. Sharsmith 1952-6-18 4128 Sonoma Inner North Coast Ranges. Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains 975 Comment
  UC1299580  Asclepias solanoana Freed W. Hoffman 1947-5-30 549 Sonoma Layton Mine; North Coast Ranges, Austin Creek Comment
  UC1299770  Aspidotis densa Freed W. Hoffman 1947-5-30 553 Sonoma Austin Creek Layton Mine Comment
  CAS-BOT-BC361328  Asteraceae Greg de Nevers 1997-8-17 11080 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  CAS-BOT-BC361382  Asteraceae Greg de Nevers 1997-2-18 10906 Sonoma Highway 101, near Cloverdale Comment
  CAS-BOT-BC186820  Astragalus gambelianus A. A. Heller; H. E. Brown 1902-4-4 5214 Sonoma Hills East of Santa Rosa Comment
  CAS-BOT-BC186824  Astragalus gambelianus Greg de Nevers 1995-6-6 10750 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC66009  Athyrium filix-femina Greg de Nevers 1996-9-1 10870 Sonoma Ida Clayton Road over Mt. St. Helena 914 Comment
  UC903146  Athyrium filix-femina var. cyclosorum Ethel Crum 1930-7-27 828 Sonoma 1 mi n Fort Ross; North Coast Ranges Comment
  CAS-BOT-BC290670  Atriplex Peter Rubtzoff 1958-9-6 3974 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  CAS-BOT-BC290689  Atriplex Peter Rubtzoff 1956-9-15 2898 Sonoma Atascadero Creek Marsh. Comment
  CHSC79392  Avena barbata Beecher Crampton 1956-3-13 3227 Sonoma Asti. In vineyard and along the road. Comment
  SEINET10517569  Avena barbata A. Arthur Heller 1902-3-26 Heller 5157 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  RSA785373  Avena fatua Peter Rubtzoff 1972-5-25 6766 Sonoma Laguna, Chileno Valley. Comment
  UCD56267  Avena fatua A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3563 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC98649  Baccharis douglasii J. W. Congdon 1880-8-2 s.n. Sonoma Santa Rosa Comment
  JEPS40663  Baccharis glutinosa W. L. Jepson 1921-9-12 9481 Sonoma Alexander Valley 45 Comment
  CAS-BOT-BC16697  Barbarea orthoceras Catherine Best 1983-4-16 s.n. Sonoma On the edge of the road parallel to the Bohemian Highway about 1 mile north of Occidental. Comment
  UCD77421  Barbarea verna Robert E. Preston 1997-3-21 1020 Sonoma Petaluma, s side of Petaluma River, at railroad bridge 6 Comment
  POM144396  Barbarea vulgaris A. A. Heller, H. E. Brown 1902-3-20 s.n. Sonoma Near Windsor. Comment
  CAS-BOT-BC145839  Beckmannia syzigachne John Thomas Howell 1930-6-8 5239 Sonoma Bodega Road, 3 miles east of Valley Ford. Comment
  UCD129545  Bellis perennis P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  UC1076435  Berberis nervosa Herbert L. Mason 1925-11-26 2495 Sonoma Monte Rio Comment
  CAS-BOT-BC102053  Bidens cernua Peter Rubtzoff 1951-9-15 760 Sonoma Pitkin Marsh, near Forestville; Lower part of the Upper Marsh Comment
  CAS-BOT-BC290551  Bidens frondosa Peter Rubtzoff 1958-9-27 4012 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  CAS-BOT-BC290560  Bidens frondosa Peter Rubtzoff 1958-9-20 3995 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  UCR248951  Bidens laevis Peter Rubtzoff 1967-9-16 5882 Sonoma Pitkin Marsh, near Forestville. Southern part of Upper Marsh 38 Comment
  UCR248952  Bidens laevis Peter Rubtzoff 1967-8-30 5874 Sonoma Pitkin Marsh, near Forestville. Southern part of Upper Marsh 38 Comment
  RSA0019008  Bidens laevis Peter Rubtzoff 1961-9-6 4740 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  JEPS19365  Blennosperma bakeri Milo S. Baker 1946-3-28 11307 Sonoma western outskirts of Sonoma Comment
  JEPS3027  Blennosperma bakeri Milo S. Baker 1952-4-20 12401 Sonoma western outskirts of Sonoma, along 5th st betw. Bellencourt and McArthur Comment
  UC1428029  Blennosperma bakeri Charles F. Quibell with James R. Estes 1974-4-3 1159 Sonoma sw of, near intersection of Llano and Todd Roads Santa Rosa Comment
  UC735724  Blennosperma bakeri Charles B. Heiser Jr. 1947-3-29 1892 Sonoma western outskirts of Sonoma, about 1/4 mi s of Napa St. Sonoma Comment
  JEPS83485  Blennosperma bakeri Jack and Betty Guggolz 1986-3-14 856 Sonoma n of, w of Hwy 12, n side of Bonneau road Bonneau Comment
  RSA0008300  Blennosperma bakeri L. S. Rose 1949-4-6 49027 Sonoma Western outskirts of Sonoma 30 Comment
  RSA0008302  Blennosperma bakeri Milo S. Baker 1952-3-20 12393 Sonoma Western outskirts of Sonoma on 5th St. between Bettencourt and McArthur. Comment
  RSA0008303  Blennosperma bakeri Peter H. Raven 1963-4-28 18251 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  CAS-BOT-BC105959  Blennosperma nanum var. nanum J. Clausen 1933-3-25 729 Sonoma Between Warfield and Kenwood, along the highway. Comment
  UC353927  Blennosperma nanum var. nanum Milo S. Baker 1928-3-24 2617 b Sonoma near, along Pacific Hiway Windsor Comment
  SEINET10768038  Boechera breweri subsp. breweri Donald Loarie 2014-4-20 Loarie s.n. Sonoma S-facing rock wall on a tributary just upstream of the confluence with Sausal Creek, but before reaching the Pine Flat road culvert and the nearby pumping station. Comment
  RSA790864  Boisduvalia Peter Rubtzoff 1970-5-30 6247 Sonoma 5 mi. north of Sears Point. Comment
  CAS-BOT-BC154967  Boisduvalia densiflora Peter Rubtzoff 1954-9-6 1742 Sonoma Guerneville Marsh, along the northern border Comment
  CAS-BOT-BC154870  Boisduvalia densiflora Peter Rubtzoff 1968-8-31 5948 Sonoma Russian River bottom at Forest Hills, 5.5 miles E of Guerneville. Comment
  CAS-BOT-BC31353  Bolboschoenus robustus Walter Knight; Irja Knight 1984-8-27 5082 Sonoma Gilardi's Resort near Lakeville in tidal area. 3 Comment
  UC20854  Bowlesia incana Bolander 1866-4-11 4633 Sonoma Petaluma Comment
Read comments
Mar 13 2009
  UC420466  Boykinia occidentalis Katharine Brandegee June 1905 Sonoma Burbanks Garden Comment
  SEINET10480785  Brassica nigra David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-9 Dunn 20710 Sonoma Collected 5.3 mi e of the jct of hwy 101 and hwy 116 on 116. Rolling hills of grasses. Along the roadside in clay banks. Comment
  CAS-BOT-BC145483  Briza maxima Peter Rubtzoff 1952-5-31 1098 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the estern. 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
  SEINET10514376  Briza media Michener MICHENER s.n. Sonoma Kenwood. Comment
  CAS-BOT-BC145288  Briza minor Peter Rubtzoff 1951-6-9 154 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC145294  Briza minor G. DeNevers 1981-5-30 1379 Sonoma Pepperwood Ranch. On the shore of the Pippindale Pond, above the high water mark. Comment
  CDA36959  Briza minor 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
  RSA52654  Briza minor I. L. Wiggins 1949-4-30 12070 Sonoma Four miles west of Calistoga, just west of country line. Comment
  UC796668  Briza minor Ira L. Wiggins 1949-4-30 12070 Sonoma 4 mi w Calistoga (just w of county line) Comment
  RSA22248  Briza minor Leo Koch 1938-4-21 82 Sonoma Hayfield along Redwood Highway about four miles north of Santa Rosa Comment
  CAS-BOT-BC478964  Brodiaea californica subsp. californica Greg de Nevers 1991-6-22 9753 Sonoma Pepperwood Natural Preserve 3450 Franz Valley Road 475 Comment
  CAS-BOT-BC376235  Brodiaea californica subsp. leptandra Greg de Nevers 1992-6-26 10180 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CAS-BOT-BC132208  Brodiaea californica var. leptandra Milo S. Baker 1925-6-1 234 a - local Sonoma Adobe [Canon] Canyon above Kenwood Sp. Comment
  CAS-BOT-BC486534  Brodiaea elegans subsp. elegans Peter Rubtzoff 1952-6-3 1170 Sonoma South slopes of Fitch Mountain, near Healdsburg Comment
  CAS-BOT-BC486525  Brodiaea stellaris anonymous 1922-6-1 s.n. Sonoma Collected in Burbank's Garden (Santa Rosa) Comment
  CAS-BOT-BC486457  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1971-6-5 6507 Sonoma Vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  UC37742  Bromus arizonicus H. N. Bolander 1860-1 Sonoma Mark West Creek Comment
  SJSU6768  Bromus briziformis J. L. Tipton 1976-5-1 Sonoma orchard 3 mi SE of Sebastopol 121 Comment
  CAS-BOT-BC149098  Bromus carinatus var. carinatus Roxana S. Ferris; Laura Lorraine 1961-6-14 13535 Sonoma Joy Road grade, 1.8 mile from junction with Bodega Highway. Comment
  UC577602  Bromus carinatus var. carinatus H. S. Yates 1934-6-21 Sonoma near Bodega 60 Comment
  CAS-BOT-BC149084  Bromus carinatus var. carinatus David L. Morgan 1961-4-26 s.n. Sonoma Marshal - Petaluma road 5 miles west of junction of Wilson Hill Road. Comment
  CAS-BOT-BC148787  Bromus carinatus var. marginatus A. A. Heller 5247 Sonoma Railroad cut 3 miles S of Healdsburg Comment
  CAS-BOT-BC155896  Bromus catharticus var. elatus David L. Morgan 1956-4-24 s.n. Sonoma On State Highway #12, 1 mile east of Schellville Railroad Station. Comment
  UCD58473  Bromus commutatus B. Crampton 1955-6-8 2829 Sonoma Along State Hwy. 128. 6 miles northwest of Calistoga. Comment
  CAS-BOT-BC155661  Bromus diandrus G. DeNevers 1981-4-8 672 Sonoma Pepperwood Ranch. Pippindale Farm. Cresta Stable. 3000 Mark West Springs Road. Comment
  CAS-BOT-BC155662  Bromus diandrus John Thomas Howell; Walter Knight; Irja Knight 1987-6-4 6228 Sonoma Tood Road Preserve. 24 Comment
  CAS-BOT-BC155247  Bromus hordeaceus Peter Rubtzoff 1958-5-17 3671 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UCD58707  Bromus hordeaceus Mary M. Hektner; Sue Dakuzaku 1974-6-3 18 Sonoma Sea Ranch. Near State Highway 1. Unit 24 Owners' Map. Comment
  SEINET10901199  Bromus hordeaceus A. Arthur Heller 1902-4-17 Heller 5325 Sonoma Santa Rosa. Comment
  SDSU951  Bromus japonicus D. F. Howe 1972-5-2 4817 Sonoma Trail above Duncan Mills Pond Comment
  SEINET3923003  Bromus japonicus Fred W. Hoffman 1941-7-5 2079 Sonoma Forestville, CA.; 0 Comment
  CAS-BOT-BC162395  Bromus laevipes G. DeNevers 1981-5-15 1183 Sonoma Pepperwood Ranch. In first big left hand Canyon off north arm of Garrison Canyon. Comment
  UCD58886  Bromus laevipes Beecher Crampton 1959-6-16 5365 Sonoma 3 miles west of Graton. Comment
  UCD60058  Bromus tectorum R. Tofsrud 1949-6-1 s.n. Sonoma Mark West Creek Road between Mark West Creek Springs and Burks' Resort. Comment
  CAS-BOT-BC185376  Bromus vulgaris Roxana S. Ferris; Laura Lorraine 1961-6-14 13536 Sonoma Joy Road grade, 1.8 mile from junction with Bodega Highway. Comment
  UCD36681  Bromus vulgaris Beecher Crampton 1955-6-17 2928 Sonoma Sonoma County, 1.6 miles west of Forestville, along State Highway 12. Comment
  UCD60243  Bromus vulgaris B. Crampton 1955-6-17 2928 Sonoma 1.6 miles west of Forestville. Comment
  UC855700  Cakile maritima Milo S. Baker 1938-5-6 8978 Sonoma near Sea Cliff n of Salmon Creek Comment
  CAS-BOT-BC36951  Cakile maritima var. maritima John H. Thomas 1976-6-17 18352 Sonoma Near northern end of Sea Ranch, northwestern part of county, about 4 miles south of Gualala. Comment
  RSA0064342  Calamagrostis Peter Rubtzoff 1967-8-22 5856 Sonoma Hillside depression southeast of lower Salmon Creek Marsh. Comment
  UC1779151  Calamagrostis bolanderi Barbara L. Wilson, Sami Gray 1997-7-31 8900 Sonoma Sea Ranch; Big Tree loop trail, which originates between unites [sic] 27A and 29A off Timber Ridge Road, off Deerfield Loop, off Hwy 1 170 Comment
  UCD57037  Calamagrostis bolanderi P. B. Kennedy 1915-7-1 s.n. Sonoma Del Mar. Comment
  SEINET3924023  Calamagrostis bolanderi Fred W. Hoffman 1943-6-20 2058 Sonoma Eckert Ranch near Salt Point, Sonoma Coast.; 0 Comment
  UCR254900  Calamagrostis crassiglumis Peter Rubtzoff 1966-5-29 5741 Sonoma Pitkin Marsh, near Forestville 38 Comment
  JEPS97537  Calamagrostis nutkaensis R. D. Stone 1980-11-29 326 Sonoma Northern part of the Sea Ranch development; N of Stewart's Point Comment
  SD56676  Calamagrostis nutkaensis D. F. Howe 1953-7-3 3582 Sonoma 19 miles north of junction with #12 on #1 Comment
  UCD57738  Calamagrostis rubescens R. Tofsrud 1951-6-1 s.n. Sonoma north of Sonoma, 'Top-O-The-World' Road, near Bay Area Lookout. Comment
  CAS-BOT-BC438613  Calandrinia ciliata Walter Knight; Irja Knight 1963-8-13 168 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC273238  Calendula arvensis Milo S. Baker 1946-4-2 11306 Sonoma Along overflow channel West of Sonoma Cr. a mile or so south of El Verano Comment
  CAS-BOT-BC273241  Calendula arvensis Rimo Bacigalupi 1946-2-1 s.n. Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC273242  Calendula arvensis W. R. Russell 1967-3-28 s.n. Sonoma At north end of town, Sonoma Comment
  RSA90984  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma JOrchards and fields just east of Sonoma. Comment
  UCR142045  Calendula officinalis Beecher Crampton 1970-3-12 8545 Sonoma Sonoma, 1st Street West, just south of RR depot 30 Comment
  JEPS682  Callitriche trochlearis W. L. Jepson 1914-4-11 5806 Sonoma near Eldridge; Sonoma Valley 35 Comment
  JEPS86779  Callitriche verna Jack and Betty Guggolz 1990-4-29 1042 Sonoma about 1 mi s Dutcher Creek Road junction with Highway 101 (Gallo property on w side of Dutcher Creek Road) 106 Comment
  UC672157  Calochortus amabilis Herbert L. Mason 1934-4-28 8068 Sonoma Jensen's Ranch Dohrman Creek Comment
  UCR265242  Calochortus amabilis Ann Howald 2015-4-28 3375 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, c. 11.7 miles west of intersection with Rockpile Rd, Warm Springs drainage 431 Comment
  CAS-BOT-BC483273  Calochortus amabilis James L. Reveal 1988-6-1 6972 Sonoma Along Geysers Road, 9.2 miles east-southeawst of U.S. Highway 101, 1 mile southeast of West Squaw Creek Road and 4.2 miles northwest of the turnoff to Geysers Resort, about 13 miles east of Cloverdale 320 Comment
  CAS-BOT-BC483279  Calochortus amabilis A. A. Heller; H. E. Brown 1902-4-22 s.n. Sonoma Between Santa Rosa and Agua Caliente Comment
  CAS-BOT-BC483280  Calochortus amabilis Aven Nelson; Ruth A. Nelson 1933-5-14 557 Sonoma Kenwood Comment
  POM169582  Calochortus luteus Michener, F. T. Bioletti 1893-05 s.n. Sonoma Los Guilicos Comment
  CAS-BOT-BC494036  Calochortus tolmiei Mary P. Wells 1972-4-22 s.n. Sonoma On mound on Lot 10, unit15 near the cliff, The sea Ranch Comment
  SEINET8197749  Calochortus tolmiei W. Roderick 1967-5-13 s.n. Sonoma 1.5 miles N of Ft. Ross. 23 Comment
  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
  CAS-BOT-BC270849  Calycadenia pauciflora 1877-6-26 s.n. Sonoma Geysers Comment
  RSA135373  Calycadenia pauciflora Volney Rattan 1877-6-26 s.n. Sonoma Geysers Comment
  CAS-BOT-BC270843  Calycadenia pauciflora Gerald D. Carr 1972-3-20 688 Sonoma 2.0 miles N of Highway 128 on Ida Clayton Road 487 Comment
  UCD129872  Calycadenia pauciflora Jack Guggolz; Betty Guggolz 1990-6-22 1074 Sonoma north side of Ida Clayton road 2.15 miles from Highway 128. Comment
  CDA31327  Calycadenia truncata D. G. Kelch 2006-10-4 6 .498 Sonoma Along Cavedale Road about 5 KM E of Route 12. Comment
  UCD158790  Calycadenia truncata James A. Neilson Jr. 1974-6-1 2877 Sonoma Mayacmas Mountains, Geyser Rock, Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  POM215112  Calycadenia truncata subsp. truncata J. T. Howell 1932-10-9 10812 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  CAS-BOT-BC272759  Calycadenia truncata subsp. truncata Milo S. Baker 1932-10-9 6044 Sonoma Above Kenwood Sprg. South side of canyon Comment
  CAS-BOT-BC91008  Calycanthus occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-15 13554 Sonoma Green Valley Road 0.8 mile east of junction with Harrison Grade Road. Comment
  UC571414  Calypso bulbosa Jean Linsdale 1937-2-10 Sonoma Bodega Creek Comment
  UCD160965  Calyptridium umbellatum James A. Neilson Jr. 1975-7-8 3377 Sonoma Mayacmas Mountains. Near U.S. Geothermal 2, 1/2 mile south of Socrates Mine Road. (Elevation and coordinates estimated by label maker.) 914 Comment
  CAS-BOT-BC292508  Calystegia R. K. Brummitt; T. F. Daniel 1997-5-31 19615 Sonoma 10 km NE of Santa Rosa, Pepperwood Ranch Natural Preserve, near Bechtel Cabin. 300 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
  CAS-BOT-BC224737  Calystegia purpurata subsp. saxicola Alice Eastwood 1915-6-29 4861 Sonoma Bodega Point Comment
  RSA697152  Calystegia purpurata subsp. saxicola J. R. Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC436452  Calystegia subacaulis Barrett Anderson 1987-4-27 3474 Sonoma Petaluma, S of El Rose and W of D Street 120 Comment
  JEPS46293  Calystegia subacaulis Eleanor Armstrong 1933-4-15 717 Sonoma Bodega, near beach 6 Comment
  CAS-BOT-BC498779  Camassia quamash subsp. linearis Peter Rubtzoff 1957-5-11 3326 Sonoma Occidental Marsh; Sonoma County Marshes Comment
  CAS-BOT-BC498780  Camassia quamash subsp. linearis Peter Rubtzoff 1951-5-28 82 Sonoma Western branch of the Upper Marsh; at the edge of a ticket, on marshy ground; The Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC498784  Camassia quamash subsp. linearis H. C. Cantelow 1940-4-20 3888 Sonoma N of Fork Ross, Hwy 1 Comment
  CAS-BOT-BC160366  Camissoniopsis cheiranthifolia subsp. cheiranthifolia John Thomas Howell 1930-6-8 5273 Sonoma At north end of Bodega Bay Comment
  UC726605  Camissoniopsis cheiranthifolia subsp. cheiranthifolia A. A. Heller 1940-5-17 15626 Sonoma bluff n Bodega Bay Comment
  JEPS6118  Campanula angustiflora Milo S. Baker 1947-5-8 11756 Sonoma w slope Hood Mt. (at top of Rose Butte); Rose Butte 243 Comment
  JEPS81953  Campanula californica Rimo Bacigalupi 1967-8-30 9312 Sonoma se of Forestville (near e end of Templeman Road); Pitkin Marsh 45 Comment
  RSA264763  Campanula californica Peter Rubtzoff 1965-8-10 5588 Sonoma Duncan's Mill Marsh Comment
  SEINET10872993  Campanula californica Howell 1945-8-14 Howell 21402 Sonoma Perry Marsh Comment
  CAS-BOT-BC37197  Capsella bursa-pastoris G. DeNevers 1981-4-23 797 Sonoma Pepperwood Ranch. In Pippindale Garden. Comment
  CAS-BOT-BC37761  Cardamine californica Milo S. Baker 1924-4-27 Local 104 c-24 Sonoma Coopers Grove. Comment
  CAS-BOT-BC37762  Cardamine californica Milo S. Baker 1924-4-27 Local 104 a-24 Sonoma Coopers Grove. Comment
  CAS-BOT-BC37764  Cardamine californica Alice Eastwood 1922-3-25 11098 Sonoma Calistoga. Comment
  JEPS128337  Cardamine californica Roger Raiche 2010-2-28 008 .10 Sonoma The Cedars. Gateway parcel. Lower Russian River, Big Austin Creek watershed. Comment
  UC10434  Cardamine californica F. T. Bioletti 1894-1 Sonoma Kenwood Comment
  RSA257003  Cardamine californica var. integrifolia Gary D. Wallace, Larry E. DeBuhr 1972-3-28 1007 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 mi east of junction with Hwy. 128. Comment
  CAS-BOT-BC38031  Cardamine oligosperma Peter Rubtzoff 1959-6-20 4160 Sonoma Willow Creek Marsh. Bank of Willow Creek. Comment
  SEINET12875772 Image available Cardionema ramosissimum Lewis S. Rose 1956-1 56129 Sonoma Bodega Point sand dunes Comment
  UCD148424  Carduus Peter Rubtzoff 1960-5-15 4327 Sonoma Fife Creek Marsh. Comment
  UCD166500  Carduus pycnocephalus Peter Rubtzoff 1962-6-1 4874 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC281765  Carduus pycnocephalus John H. Thomas 1966-5-8 11599 Sonoma 1.4 miles W of Napa - Sonoma county line. Along road between Calistoga and Santa Rosa Comment
  CAS-BOT-BC281794  Carduus tenuiflorus S. Saufferer 1973-5-24 219 Sonoma Bodega Bay near the ocean Comment
  CAS-BOT-BC18190  Carex Mary P. Wells 1985-7-11 558 Sonoma Pilot's Reach. The Sea Ranch. Comment
  UCD161772  Carex James A Neilson Jr. 1976-5-10 s.n. Sonoma Mayacmas Mountains. Aidlin-Gouvea Leasehold. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD140988  Carex Mary M. Hektner 1976-8-26 267 -A Sonoma Unit 28 Owner's Map, Sea Ranch, near State Highway 1. 150 yards from the ocean bluffs. Between Masthead Reach and Leeward Road. Comment
  UCR255708  Carex abrupta Peter Rubtzoff 1957-5-4 3307 Sonoma Duncan Mills Marsh 2 Comment
  CAS-BOT-BC334519  Carex abrupta Peter Rubtzoff 1954-6-19 1494 Sonoma Guerneville 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
  CAS-BOT-BC18146  Carex athrostachya Peter Rubtzoff 1960-5-15 4325 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC422353  Carex barbarae Peter Rubtzoff 1958-5-10 3637 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  RSA0037208  Carex barbarae Peter Rubtzoff 1976-5-30 8577 Sonoma Kenwood Marsh. Comment
  UCR248955  Carex barbarae Peter Rubtzoff 1958-4-26 3606 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC310297  Carex barbarae Peter Rubtzoff 1970-6-14 s.n. Sonoma 3 miles west of Fulton on north side of River Road. Comment
  RSA0023068  Carex barbarae Peter Rubtzoff 1958-5-3 3623 Sonoma Atascadero Creek Marsh. Comment
  UCR248870  Carex cusickii Peter Rubtzoff 1955-5-14 1839 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC350936  Carex cusickii Peter Rubtzoff 1958-5-17 3678 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC18986  Carex densa G. DeNevers 1981-6-15 1536 Sonoma Pepperwood Ranch. Along the stream down from the Rogers Apple Orchard. Comment
  CAS-BOT-BC18990  Carex densa Barrett Anderson 1987-4-27 3456 Sonoma Petaluma, south of El Rose and west of D street. 120 Comment
  CAS-BOT-BC20500  Carex densa Peter Rubtzoff 1974-6-2 7514 Sonoma Sonoma County Marshes. Upper Green Valley Marsh. Comment
  CAS-BOT-BC20509  Carex densa Peter Rubtzoff 1957-5-11 3329 Sonoma Sonoma County Marshes. Occidental Marsh. Comment
  CAS-BOT-BC242637  Carex densa Peter Rubtzoff 1958-4-26 3603 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC246548  Carex densa Peter Rubtzoff 1960-5-15 4324 Sonoma Fife Creek Marsh Comment
  CHSC55433  Carex densa James Jokerst 1985-4-26 2271 Sonoma Near Caldwell Ranch. Comment
  UC1133352  Carex densa H. S. Yates 1936-5-16 5583 Sonoma 1 mi NE of Graton 30 Comment
  UC70609  Carex densa F. Bioletti 1893-5-22 Sonoma Glen Ellen Comment
  CAS-BOT-BC20471  Carex densa John Thomas Howell 1935-5-5 12605 Sonoma Low field near Kenwood. Comment
  SEINET7556713 Image available Carex densa Unknown 1936-7-26 12665 Sonoma Occidental. Comment
  CAS-BOT-BC290552  Carex exsiccata Peter Rubtzoff 1958-5-3 3617 Sonoma Atascadero Creek Marsh. Comment
  UCR208523  Carex feta Peter Rubtzoff 1961-6-17 4619 Sonoma North Coast Range, Bennet Mountain Lake Comment
  SEINET10879720  Carex globosa Lewis S. Rose 1971-4-30 Rose 71026 Sonoma 3 mi E of Occidental. Serpentine Hills. 183 Comment
  CAS-BOT-BC28327  Carex gracilior John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53970 Sonoma fairfield Osborn Preserve of the Nature Conservancy, 4.5 mi NE of Penngrove 457 Comment
  CAS-BOT-BC28366  Carex gracilior Peter Rubtzoff 1954-7-5 1543 Sonoma Guerneville Marsh. Comment
  UC856  Carex gracilior H. N. Bolander April 1864 3867 Sonoma Russian River Comment
  UCR248728  Carex gracilior Peter Rubtzoff 1959-4-18 4029 Sonoma Laguna de Santa Rosa, NE of Graton, c. 0.5 mi north of Guerneville Rd. crossing 21 Comment
  SEINET7560150 Image available Carex gracilior Alice Eastwood, John Thomas Howell 1936-5-19 2499 Sonoma North limits of Santa Rosa. Comment
  CAS-BOT-BC146612  Carex gynodynama A. A. Heller 1903-4-23 6605 Sonoma Fort Ross Comment
  CAS-BOT-BC311807  Carex gynodynama Peter Rubtzoff 1957-5-26 3358 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC422374  Carex gynodynama Peter Rubtzoff 1957-5-11 3331 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC21910  Carex harfordii Peter Rubtzoff 1955-5-21 1857 Sonoma Forestville Marsh. North facing slope bordering the marsh in the south. Comment
  UCR248914  Carex harfordii Peter Rubtzoff 1962-6-1 4861 Sonoma Freestone Marsh 79 Comment
  UCR248967  Carex hassei Peter Rubtzoff 1963-7-6 5194 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road) 31 Comment
  CAS-BOT-BC331478  Carex hassei Peter Rubtzoff 1963-7-6 5194 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  SEINET10551416 Image available Carex lacunarum A. Arthur Heller 1902-7-1 Heller 5797 Sonoma Lagoon at Sebastopol. Comment
  CAS-BOT-BC31181  Carex lemmonii Peter Rubtzoff 1951-6-16 256 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  SD72056  Carex lemmonii John Thomas Howell 1957-6-13 Sonoma Pitkin Marsh; shaded place in wet soil under azalea bushes. Comment
  UC1147785 Image available Carex lemmonii J. T. Howell and J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh; ; Pitkin Marsh, Sonoma Co. Comment
  UCR248945  Carex leporina Peter Rubtzoff 1966-6-5 5758 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC146626  Carex mendocinensis Alice Eastwood; John Thomas Howell; J. W. Stacey 1937-5-31 4494 Sonoma 2 miles south of Gualala River, Sonoma coast Comment
  CAS-BOT-BC119315  Carex obnupta Peter Rubtzoff 1951-6-10 208 Sonoma Pitkin Marsh, near Forestville. S of the Upper Marsh. Comment
  UCD140719  Carex pellita Mary M. Hektner 1976-8-27 268 -A Sonoma on land owned by Oceanic Properties, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC117675  Carex serratodens Gregory Clark de Nevers 1982-2-27 1922 Sonoma Pepperwood Ranch, near the barn at Pepperwood. Comment
  UCR248868  Carex stipata Peter Rubtzoff 1958-5-17 3679 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  UCR248942  Carex stipata Peter Rubtzoff 1960-5-22 4410 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  UC846  Carex subbracteata H. N. Bolander April 1864 3868 Sonoma Russian River Comment
  CAS-BOT-BC115824  Carex subfusca Peter Rubtzoff 1951-9-2 701 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh, near the edge of a thicket. Comment
  CAS-BOT-BC115527  Carex tumulicola A. A. Heller 1902-4-17 5324 Sonoma Santa Rosa Comment
  CDA6966  Carthamus lanatus T. C. Fuller 1970-5-4 19487 Sonoma East of Monte Vista Lane, south side of Petaluma-Valley Ford Road, 4.2 miles west of Petaluma. 0 Comment
  CDA6987  Carthamus lanatus T. C. Fuller 1970-5-4 19487 Sonoma East of Monte Vista Lane, south side of Petaluma-Valley Ford Road, 4.2 miles west of Petaluma. 0 Comment
  CDA7005  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma ca. 1 mile west of the Asti turn-off of the freeway, Highway 101, Asti. 0 Comment
  UCD122116  Castilleja ambigua subsp. ambigua Frederica Bowcutt 1984-6-23 449 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg on the Sonoma County coast. West of Highway 1, about 1/2 mile north of Gerstle Cove. 15 Comment
  UCR45081  Castilleja applegatei subsp. martini L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  JEPS128283  Castilleja applegatei subsp. martinii Roger Raiche 2005-4-22 011 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD151183  Castilleja attenuata James A. Neilson Jr. 1974-4-16 2873 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using Google Earth by label maker.) 548 Comment
  CAS-BOT-BC243776  Castilleja densiflora Barbara Keller 1990-4-30 1999 Sonoma Coleman Valley Road, 6 miles west of Occidental Comment
  UCD151301  Castilleja foliolosa James A. Neilson Jr. 1974-7-26 2865 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 Comment
  UCD160875  Castilleja foliolosa James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3285 Sonoma Mayacmas Mountains, ca. 1/4 mile south of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SEINET12331446  Castilleja foliolosa F. H. Utech 1986-1 86 -104 Sonoma ca 3 mi NE on Cavedale Road from junction with CA 12 250 Comment
  OBI60005  Castilleja lacera Joseph Andorfer Ewan 1935-5-13 9250 Sonoma Along low places of RR right-of-way. Wright school on Sebastopal rd Comment
  CAS-BOT-BC243849  Castilleja latifolia Ella Dales Cantelow 1939-4-10 2606 Sonoma 4 1/2 mi. NW of Bodega Comment
  JEPS16300  Castilleja minor subsp. spiralis Milo S. Baker 1926-9-26 198 Sonoma Hood Mt. 609 Comment
  JEPS60458  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-30 6697 Sonoma 6.5 mi s Gualala (on Highway 1) Comment
  UC1374936  Castilleja wightii Noel H. Holmgren and Liew Fah Seong 1969-6-23 3607 Sonoma by entrance Shell Beach (Calif Hwy 1, 18.6 mi n of Marin County line) Comment
  POM180772  Castilleja wightii J. T. Howell 1930-7-27 5412 Sonoma Exposed ocean bluff, 4 miles N of Bodega Bay. Comment
  CAS-BOT-BC39434  Caulanthus lasiophyllus R. D. Stone 1983-6-14 541 Sonoma Headwaters of Squaw Creek drainage. Ca. 1.2 mile northwest of Geyser Rock. 1005 Comment
  UC70418  Ceanothus Milo S. Baker May 1899 Sonoma near Occidental Comment
  UC1071291  Ceanothus confusus C. M. Belshaw 1936-3-8 1571 Sonoma Rincon Ridge, 1 1/2 mi N of County Farm 251 Comment
  UC1281312  Ceanothus confusus H. E. McMinn 1944-11-5 5451 Sonoma Rincon Ridge, olive orchard Comment
  UC1281315  Ceanothus confusus H. E. McMinn 1944-11-5 5450 Sonoma Montecito Ave., approaching olive orchard, Rincon Ridge Comment
  CAS-BOT-BC48517  Ceanothus confusus Roger Raiche 1985-11-28 RR 50897 Sonoma w of Cloverdale, Red Mt. between Hot Springs Road & Cherry Creek Road 377 Comment
  CAS-BOT-BC49151  Ceanothus cuneatus John Thomas Howell 1931-3-14 5766 Sonoma River Ridge near Santa Rosa Comment
  JEPS128184  Ceanothus cuneatus var. ramulosus Roger Raiche 2001-3-17 006 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1071289  Ceanothus divergens H. S. Yates 1934-4-21 3828 Sonoma 2 miles N of County Farm. Santa Rosa Quad. 243 Comment
  RSA754440  Ceanothus divergens subsp. confusus Dylan O. Burge 2007-4-10 DOB 833 d Sonoma SE flank of Mount Hood, near the junction of Bear Creek and Sonoma Creek, along the Goodspeed Trail, 3.44 km 19 degrees true NNE of Kenwood. 200 Comment
  UC33653  Ceanothus foliosus F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  CAS-BOT-BC49906  Ceanothus foliosus var. foliosus Walter Knight; Cliff Schmidt 1987-2-27 6057 Sonoma Cavedale Road 274 Comment
  UCD112581  Ceanothus foliosus var. foliosus Christopher Mallek 2008-5-2 s.n. Sonoma Hooker Canyon. 590 Comment
  UC727740  Ceanothus foliosus var. vineatus Milo S. Baker 1946-4-29 11355 Sonoma along College Ave. Hwy. Vine Hill Region Comment
  OBI10528  Ceanothus foliosus var. vineatus H. E. McMinn 1941-4-26 5320 Sonoma Nine mi S of Guerneville Comment
  RSA0005484  Ceanothus foliosus var. vineatus H. E. McMinn 1936-4-5 4406 Sonoma West of Vine Hill School, ca. 10 miles west of Santa Rosa. Comment
  CAS-BOT-BC50001  Ceanothus gloriosus John Thomas Howell 1935-5-5 12617 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC32736  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-3-14 5781 Sonoma Vine Hill District, 10 miles W of Santa Rosa Comment
  CAS-BOT-BC49951  Ceanothus gloriosus var. exaltatus Roman Gankin 1966-3-3 694 Sonoma east of Occidental Ridge on Graton Road, ca. 2.5 miles east of Occidental Comment
  UC725659  Ceanothus gloriosus var. exaltatus A. A. Heller 1942-3-15 16400 Sonoma Vine Hill region on the Eastwest road below the Vine Hill School. Comment
  CAS-BOT-BC63735  Ceanothus griseus Dorothy Scherer 1996-3-16 002 Sonoma Winderemere Point, Fort Ross State Historic Park. 24 Comment
  CAS-BOT-BC63738  Ceanothus griseus Carl B. Wolf 1941-7-30 11109 Sonoma Along coast, 3 mi. n. Jenner. Comment
  CAS-BOT-BC63741  Ceanothus griseus Walter Knight; Irja Knight 1964-2-28 565 Sonoma Ca. 6 mi. n. of Stewarts Point. Comment
  CHSC59346  Ceanothus incanus Frederic Hrusa 1989-1-24 5802 Sonoma In moist draws along Ida Clayton Rd. on N slope of Mt. St. Helena. Comment
  UC1299513  Ceanothus integerrimus Freed W. Hoffman 1947-4-10 1891 Sonoma Pieta Grade North Coast Ranges (old rd Highland Springs to Hopland, w slope) Comment
  CAS-BOT-BC50650  Ceanothus jepsonii Catherine Best 1981-4-4 s.n. Sonoma Harrison Grade Road 2 miles north of Occidental Comment
  UC1070782  Ceanothus jepsonii E. Armstrong 1934-3-26 935 Sonoma 4 mi nw Camp Meeker; Sebastopol quad Comment
  UC1070785  Ceanothus jepsonii C. M. Belshaw 1936-3-8 1584 Sonoma .75 mi n. Annadel (nw of Kenwood); Santa Rosa quad. Comment
  CDA9346  Ceanothus jepsonii subsp. jepsonii D. G. Kelch 2006-6-24 6 .325 Sonoma On serpentine along Harrison Grade. Comment
  CAS-BOT-BC63517  Ceanothus oliganthus var. sorediatus Wayne Roderick 1961-4-2 s.n. Sonoma NW. of Sea View (half way between Sea View and Fort Ross school). Comment
  UC73365  Ceanothus oliganthus var. sorediatus Milo S. Baker 1898-4-23 27 Sonoma Santa Rosa Creek Canyon Comment
  UC1071243  Ceanothus parryi A. Lewis 1932-5-14 77 Sonoma Calabasas Creek Napa Quadrangle 457 Comment
  UC1299539  Ceanothus parryi Freed W. Hoffman 1947-5-30 521 Sonoma Layton Mine North Coast Ranges, Austin Creek (Austin Creek) Comment
  SEINET12210605  Ceanothus parryi W. Knight, Knight, I. 1981-1 3968 Sonoma 2.3 mi up Cavedale Road from junction of State Route #12 Comment
  SEINET13946221 Image available Ceanothus parryi Leo Koch 1939-1 631 Sonoma Campus of Santa Rosa Junior college. Comment
  CAS-BOT-BC53046  Ceanothus sonomensis Cliff Schmidt; Walter Knight 6055 Sonoma Cavedale Road 274 Comment
  JEPS97530  Ceanothus sonomensis R. D. Stone 1985-3-8 651 Sonoma along unpaved road S of Trinity Road and W of cul-de-sac on Manzanita Lane Mt. Veeder (approx 2.5 airmiles WNW of) Comment
  UC580719  Ceanothus sonomensis C. M. Belshaw 1936-3-8 1581 Sonoma 3/4 mile north of Annandel, northwest of Kenwood 144 Comment
  UCD144666  Ceanothus sonomensis Frederica Bowcutt 1996-5-20 2139 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 1.5 air miles WSW of Bald Mountain. Along Godspeed Trail, NW of confluence of Bear Creek and Sonoma Creek about 0.25 air miles. 304 Comment
  UC1071391  Ceanothus thyrsiflorus H. S. Yates 1934-4-21 3784 Sonoma near Freestone; Sebastopol Quadrangle Comment
  SEINET11844187  Centaurea calcitrapa W. Knight, Wagnon, K. 1987-1 6486 Sonoma Willow Brook between Corona Road & Old Redwood Hwy 6 Comment
  JEPS44152  Centaurea melitensis M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma between Gurneville and Monte Rio Gurneville; Russian River Comment
  CAS-BOT-BC277157  Centaurea melitensis G. DeNevers 1981-6-6 1480 Sonoma Pepperwood Ranch. S slope of Telegraph Hill Comment
  NY444437  Centaurea solstitialis L. Abrams 1916-7-4 5794 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC277254  Centaurea solstitialis G. DeNevers 1981-6-6 1447 Sonoma Pepperwood Ranch. At the first Pepperwood entrance Comment
  CAS-BOT-BC288815  Centromadia fitchii Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC288808  Centromadia fitchii David D. Keck 1933-11-10 2726 Sonoma 1 mile E of Shellville Comment
  CAS-BOT-BC251309  Cerastium Peter Rubtzoff 1960-5-18 s.n. Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC384976  Cerastium arvense Ella Dales Cantelow 1939-4-10 2593 Sonoma About 1 6/10 mi. s. of Russian River Bridge Comment
  CAS-BOT-BC388436  Cerastium glomeratum G. DeNevers 1981-4-16 713 Sonoma Pepperwood Ranch. Garrison Canyon, by shack Comment
  RSA94648  Cerastium glomeratum Peter Rubtzoff 1952-3-23 902 Sonoma Southern half of Lower Marsh; Pitkin Marsh, near Forestville. Comment
  UCD98035  Cerastium glomeratum Daehler; Lu 1993-5-8 255 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. 371 Comment
  UCD98079  Cerastium glomeratum Rimy Waraich 1993-5-8 229 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail. 365 Comment
  CAS-BOT-BC400222  Ceratophyllum demersum Greg de Nevers 1991-8-8 9769 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In largest Double Pond 475 Comment
  CDA16230  Ceratophyllum demersum G. F. Hrusa, R. Gross 1998-2-15 14151 Sonoma Knights Valley; Foote Ranch. 0 Comment
  SD134007  Ceratophyllum demersum Peter Rubtzoff 1962-10-23 5123 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville roads. Comment
  UC1127922  Cercocarpus betuloides var. betuloides E. Armstrong 1934-3-26 910 Sonoma 1 mi nw of Camp Meeker 121 Comment
  UCD130399  Chamaemelum fuscatum Rimo Bacigalupi 1948-4-4 2870 Sonoma about 2 miles south of Asti, along U.S. Highway 101. Comment
  UC1299768  Cheilanthes intertexta Freed W. Hoffman April 1948 2752 Sonoma near Guerneville (Gabe's Rock, Poole Ridge); North Coast Ranges Comment
  CAS-BOT-BC166902  Chenopodium Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7844 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC166742  Chenopodium Peter Rubtzoff 1968-9-21 5987 Sonoma Petaluma Creek at Stony Point Road, 4 miles northwest of Petaluma. Comment
  CAS-BOT-BC173553  Chenopodium Peter Rubtzoff 1969-11-2 6209 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA783837  Chenopodium Peter Rubtzoff 2012-3-7 8370 Sonoma South side of American River in the vicinity (west) of Watt Ave. bridge. Comment
Read comments
Sep 29 2013
  RSA756235  Chenopodium botrys Barbara Ertter 1988-11-5 8029 Sonoma Lake Sonoma 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  CAS-BOT-BC166901  Chenopodium murale Peter Rubtzoff; Nancy Harrison 1974-9-7 7863 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. at creek crossing. Comment
  CAS-BOT-BC354325  Chlorogalum pomeridianum Peter Rubtzoff 1958-7-19 3765 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC499253  Chlorogalum pomeridianum Peter Rubtzoff 1961-10-18 4773 Sonoma Pitkin Marsh, near Forestville, western branch of the Upper Marsh 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
  POM179712  Chorizanthe cuspidata var. cuspidata J. T. Howell 1930-6-8 5271 Sonoma North end of Bodega Bay. Comment
  UC1094020  Chorizanthe cuspidata var. villosa Lewis S. Rose 1956-7-16 56128 Sonoma Bodega Point 9 Comment
  CAS-BOT-BC248858  Chrysolepis P. S. Manos 1989-10-7 907 Sonoma North Coast Range, Mount St. Helena. Trail near the top 900 Comment
  CAS-BOT-BC279994  Cirsium douglasii var. douglasii A. A. Heller 1902-7-2 5804 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC280004  Cirsium douglasii var. douglasii L. R. Abrams 1920-7-3 7620 Sonoma Near Stewart Point Comment
  UCD169967  Cirsium occidentale Peter G. Connors 1990-5-10 s.n. Sonoma Bodega Bay, Bodega Marine Reserve, Bodega Head. Comment
  CAS-BOT-BC285704  Cirsium occidentale var. occidentale Joanne Taylor 1941-7-13 13 Sonoma Bodega Head 30 Comment
  CAS-BOT-BC286378  Cirsium occidentale var. occidentale Alice Eastwood 1915-6-29 4888 Sonoma Bodega Point Comment
  UC178900  Cirsium occidentale var. occidentale Katharine Brandegee 1905-6-25 Sonoma Bodega Comment
  CAS-BOT-BC280371  Cirsium occidentale var. venustum A. A. Heller 1902-6-24 5753 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC280372  Cirsium occidentale var. venustum F. G. Krauss 1893-10-8 s.n. Sonoma Krauss Ranch Comment
  UC480934  Cirsium occidentale var. venustum H. P. Chandler 1907-4-21 7531 Sonoma road fr. Glen Ellen to Oakville Comment
  UC30823  Cirsium quercetorum W. A. Setchell 1897-6-1 Sonoma Fort Ross Comment
  CAS-BOT-BC371461  Cirsium remotifolium var. odontolepis Greg de Nevers 1989-6-10 9080 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. East side of Horse Hill. 400 Comment
  CAS-BOT-BC285898  Cirsium vulgare John Thomas Howell 1930-6-8 5286 Sonoma 8.5 miles n. of Bodega Bay Comment
  UCD159440  Cirsium vulgare D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 197 Sonoma Roadside population along road leading to Bodega Marine Labs. Abundant. 7 Comment
  SBBG21142  Clarkia amoena V. Haraden 1940-7-13 10 Sonoma ca. 10 mi E of Bodega Bay 304 Comment
  SDSU8655  Clarkia amoena D. F. Howe 1965-8-3 4098 Sonoma 2.4 miles east of Bodega Bay on #1. Comment
  UC20290  Clarkia amoena F. T. Bioletti 1892-1 Sonoma Point Arena Comment
  CAS-BOT-BC161052  Clarkia amoena subsp. amoena P. A. Munz 1936-8-8 14311 Sonoma Coast 5 mi. north of Jenner Comment
  CAS-BOT-BC161048  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1938-7-6 6085 Sonoma Alder Glen Springs Comment
  CAS-BOT-BC161051  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1938-7-11 6268 Sonoma Bodega Bay 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
  RSA453484  Clarkia amoena subsp. amoena E. A. Purer 1932-7-24 s.n. Sonoma Between Bodega Bay and Santa Rosa Comment
  POM171626  Clarkia amoena subsp. huntiana Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  CAS-BOT-BC172209  Clarkia concinna Peter Rubtzoff 1952-6-9 1184 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC172203  Clarkia concinna Wayne Roderick 1967-6-18 s.n. Sonoma Mark West Springs Road, n.e. of Santa Rosa 60 Comment
  UCSB4287  Clarkia concinna Robbins, G. 1936-6-4 Sonoma Bennett Valley Comment
  UC1122374  Clarkia concinna subsp. concinna H. S. Yates 1934-4-21 3805 Sonoma near Bodega; Duncan Mills Quadrangle Comment
  UC73320  Clarkia concinna subsp. concinna Milo S. Baker 1898-5-7 598 Sonoma Glen Ellen Comment
  UCD104045  Clarkia davyi Frederica Bowcutt 1984-6-23 417 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. W of Highway 1, N of Gerstle Cove about 1/8 mile. 15 Comment
  UCD55330  Clarkia gracilis subsp. gracilis Ellen Dean 2006-6-28 3173 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  JEPS128316  Clarkia gracilis subsp. sonomensis Roger Raiche 2000-5-27 107 .00 Sonoma The Cedars, road into The Cedars at 2nd crossing or Otis Crossing. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC163130  Clarkia gracilis subsp. sonomensis Peter H. Raven; R. Snow 1958-7-23 13686 Sonoma 8.3 miles east of Skaggs Springs on road to Stewarts Point Comment
  RSA449288  Clarkia gracilis subsp. sonomensis Christopher Davidson 1977-6-20 6004 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  CAS-BOT-BC163150  Clarkia imbricata John Thomas Howell 1945-7-18 21315 Sonoma Dry slope bordering Pitkin Marsh Comment
  UC728606  Clarkia imbricata Milo S. Baker 1945-7-18 11107 Sonoma along path to <Pitkin> marsh; Pitkin Ranch Comment
  SEINET7067345  Clarkia purpurea A. G. Vestal 1947-5-16 s.n. Sonoma About 4.8 miles east of Windsor and northwest of Mark West Springs. Coordinate datum: NAD27. UTM Zone 10, 523072mE, 4267195mN. Comment
  UC423081  Clarkia purpurea subsp. quadrivulnera Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC164583  Clarkia purpurea subsp. viminea Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC172355  Clarkia purpurea subsp. viminea J. W. Congdon 1880-6-5 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC164745  Clarkia rhomboidea Alice Eastwood 1915-6-6 4684 Sonoma Mt. St. Helena Comment
  UCR261657  Claytonia exigua subsp. exigua Ann Howald 2003-3-8 2275 Sonoma Inner North Coast Ranges, Mayacamas Mountains, Sugarloaf Ridge State Park, McCormick Addition, ca. 0.1 mile east of intersection of Headwaters Trail and Grandmother Oaks Trail 450 Comment
  CAS-BOT-BC439407  Claytonia gypsophiloides A. A. Heller; H. E. Brown 1902-3-16 5073 Sonoma Russian River, near Trenton Comment
  HSC49616  Claytonia gypsophiloides R. York 1979-4-8 202 Sonoma Along Hwy. 128, 2 mi. N of Calistoga 305 Comment
  UC480640  Claytonia gypsophiloides Carl Meyer 1929-3-29 Sonoma Comment
  JEPS117129  Claytonia perfoliata Peter Warner 2010-3-29 122 Sonoma 1670 Bloomfield Road, approx. 3 km S of center Sebastopol Comment
  JEPS128266  Claytonia perfoliata subsp. mexicana Roger Raiche 2000-4-8 028 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC443870  Claytonia sibirica Peter Rubtzoff 1967-8-22 5851 Sonoma Southeast of Lower Salmon Creek Marsh. Comment
  RSA620423  Claytonia sibirica Peter Rubtzoff 1964-7-3 5340 Sonoma Sonoma County: Bodega Bay Marsh Comment
  CAS-BOT-BC91527  Clematis lasiantha Stewart Wade 1927-4-1 s.n. Sonoma Healdsburg. Comment
  POM151219  Clematis lasiantha A. A. Heller, H. E. Brown 1902-5-29 5623 Sonoma Mt. Hood. Comment
  JEPS61595  Clintonia andrewsiana Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  CAS-BOT-BC499960  Clintonia andrewsiana Peter Rubtzoff 1957-4-28 3293 Sonoma Sonoma County Marshes, Duncans Mills Marsh Area 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
  UC796639  Collinsia sparsiflora var. arvensis Ira L. Wiggins 1949-4-30 12061 Sonoma roadside 6.8 mi e of Santa Rosa (on road to Calistoga) Comment
  RSA52690  Collinsia sparsiflora var. arvensis I. L. Wiggins 1949-4-30 12061 Sonoma Roadside 6.8 miles east of Santa Rosa on road to Calistoga Comment
  SEINET6985357  Collinsia sparsiflora var. arvensis A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma 1 mile east of Occidental. Comment
  UC353937  Collinsia sparsiflora var. collina unknown 1928-4-20 2976 b Sonoma Rincon Valley Comment
  UCD158784  Collomia heterophylla James A. Neilson Jr. 1974-6-1 2878 Sonoma Mayacmas Mountains, west of Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation and coordinates estimated by label maker). 1066 Comment
  UCD127332  Conium maculatum Terri Williamson 1990-5-20 66 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  CAS-BOT-BC286005  Conyza bonariensis Mary P. Wells 1988-9-7 966 Sonoma At Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC288914  Conyza canadensis Peter Rubtzoff 1951-9-2 724 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  JEPS45845  Corallorhiza maculata Eleanor Armstrong 1932-5-20 501 Sonoma 3 1/2 mi s Camp Meeker 91 Comment
  JEPS6806  Cordylanthus tenuis subsp. capillaris R. F. Hoover 1942-7-13 5916 Sonoma 3 mi s Monte Rio Comment
  RSA537660  Cordylanthus tenuis subsp. capillaris T. I. Chuang 1972-7-22 7075 Sonoma 2 miles N of Occidental on Harrison Grade Road Comment
  UC727699  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1946-7-4 11523 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  CAS-BOT-BC238236  Cordylanthus tenuis subsp. capillaris Roxana S. Ferris; Laura Lorraine 1961-6-15 13559 Sonoma 1.3 mi. from junction with Green Valley Road on Harrison Grade Comment
  RSA247215  Cornus nuttallii G. D. Wallace, Larry E. DeBuhr 1972-3-28 1008 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 mi east of junction with Hwy. 128. Comment
  CAS-BOT-BC210435  Cornus sericea Peter Rubtzoff 1958-5-3 3615 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC210440  Cornus sericea John Thomas Howell 1945-7-18 21317 Sonoma Pitkin Marsh Comment
  JEPS58665  Corylus californica W. L. Jepson 1923-7-20 10025 Sonoma Sonoma Canyon Comment
  UCSB1014  Corylus cornuta subsp. californica Keator, Glenn 1959-4-2 Sonoma 0.6 miles north of junction of Laguna road and 5.1 miles north of Sebastopol in Vinehill region Comment
  UCD130895  Cotula coronopifolia Charles B. Heiser Jr. 1946-4-13 1724 Sonoma 1 mile east of Jenner. Comment
  SD206992  Crassula Reid Moran, J. Vale 1989-5-3 Sonoma Sonoma Valley Regional Park; E of Glen Ellen. Comment
  CAS-BOT-BC368093  Crassula aquatica Greg de Nevers 1998-5-5 11227 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  CAS-BOT-BC427689  Crassula connata Greg de Nevers; Frank Almeda 1987-4-11 8148 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CDA25821  Crataegus douglasii T. C. Fuller 1958-5-24 3995 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CDA4463  Crupina vulgaris G. D. Barbe 1991-2-25 4402 Sonoma Annadel State Park, Santa Rosa. 0 Comment
  CAS-BOT-BC190148  Crypsis schoenoides Peter Rubtzoff 1958-9-27 4008 Sonoma Laguna de Santa Rosa northeast of Graton (0.5 mile north of Guerneville Road). Comment
  RSA0062822  Crypsis schoenoides Greg de Nevers 1989-12-3 9119 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  RSA63678  Cryptantha intermedia M. S. Baker 1950-5-20 12218 Sonoma Hope Valley on Wood road opposite old Chamberlain Ranch, near Kenwood. Comment
  RSA785748  Cucurbita Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  SEINET10531470  Cupressus macnabiana Carl B. Wolf, E. R. Johnson 1934-10-18 Wolf 2154 Sonoma Head of Hooker Canyon, 4 7/10 mi E of Sonoma-Kenwood Road. Upper sonoran:- Chaparral. Sun. Open ridge in porous gray volcanic rock. 550 Comment
  SEINET3863365  Cupressus macrocarpa Kaye H. Thorne 1984-11-25 3635 Sonoma Sea Ranch, 2.5 mi S Gualala, stabilized coast dunes old sheep ranch.; 0 Comment
  CAS-BOT-BC85473  Cupressus sargentii Carl Brandt Wolf; E. R. Johnson 1934-10-13 2141 Sonoma Coys Ranch about 2 mi. from Occidental 91 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
  JEPS39740  Cupressus sargentii Alice King Sonoma Van Ness Ranch Mt. St. Helena, Van Ness Ranch Comment
  UC570367  Cupressus sargentii Chas. M. Belshaw 1936-3-8 1557 Sonoma 2 mi ne Occidental; North Coast Range Comment
  NY16847  Cupressus sargentii C. B. Wolf 1934-10-13 6184 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA129446  Cupressus sargentii E. Armstrong 1934-3-26 923 Sonoma 2 miles north of Camp Meeker 122 Comment
  SEINET810030  Cuscuta campestris Peter Rubtzoff 1962-1 4977 Sonoma Laguna de Santa Rosa near Trenton, south of Woolsey Road. Comment
  UC1794404  Cuscuta howelliana Nancy Harrison 1979-7-26 2072 Sonoma False Lake Meadow, mid-point of drainage, Annadel State Park Comment
  CAS-BOT-BC190346  Cynodon dactylon John Thomas Howell; Walter Knight; Irja Knight 1987-5-20 6233 Sonoma Todd Road Preserve. 24 Comment
  RSA94465  Cynodon dactylon Peter Rubtzoff 1951-7-21 504 Sonoma Pitkin Marsh near Forestville; area between the Upper and the Lower marshes Comment
  SEINET176301 Image available Cynodon dactylon var. dactylon M. E. Jones 1882-7-18 Sonoma Duncan's Mills Comment
  UCD37117  Cynodon plectostachyus Beecher Crampton 1957-5-15 4042 Sonoma 4-5 miles southwest of Healdsburg, Foreman Lane, Frank C. Grace Ranch. Comment
  CAS-BOT-BC350811  Cynosurus Peter Rubtzoff; Nancy Harrison 1978-6-11 9209 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley. Comment
  SDSU983  Cynosurus cristatus D. F. Howe 1963-7-3 3588 Sonoma 20 miles north of junction with #12 on #1 Comment
  CAS-BOT-BC190428  Cynosurus echinatus John H. Thomas 1976-6-18 18359 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville. Comment
  CAS-BOT-BC190431  Cynosurus echinatus G. DeNevers 1982-4-18 1951 Sonoma Pepperwood Ranch. Along the road to Hansel's Lake. Comment
  CAS-BOT-BC190432  Cynosurus echinatus G. DeNevers 1982-4-30 1954 Sonoma Pepperwood Ranch. In pasture at bottom of Hansel's driveway. Comment
  UC1011015  Cynosurus echinatus Virginia Bufford 1936-5-1 154 Sonoma head of Bodega Canyon Comment
  UCD60154  Cynosurus echinatus Freed W. Hoffman 1941-6-3 s. n. Sonoma Near Guerneville. Comment
  CAS-BOT-BC114511  Cyperus eragrostis Saichi Kawahara 1968-8-27 475 Sonoma West bank of Russian River off Hwy 116, 1/2 mi E of Duncan Mills. 3 Comment
  CAS-BOT-BC114512  Cyperus eragrostis Saichi Kawahara 1985-7-1 534 Sonoma On dike bank of Ducker Creek Rincon Valley, Santa Rosa. Comment
  UCD141039  Cyperus eragrostis Mary M. Hektner 1974-9-12 184 Sonoma along Sea Gate Road, Unit 7 Owners' Map, Sea Ranch, near State Highway 1. 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
  UCR254758  Cyperus niger Peter Rubtzoff 1970-7-17 6290 Sonoma San Francisco Bay Region, 5 miles north of Sears Point 9 Comment
  SEINET12078101  Cypripedium montanum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -257 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC435189  Cypselea humifusa Peter Rubtzoff 1958-8-17 3886 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd.). Comment
  CDA9638  Cystopteris fragilis D. G. Kelch 2007-5-13 7 .296 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  UCD60196  Dactylis glomerata Mary M. Hektner; Sue Dakuzaku 1974-6-4 21 Sonoma Near State Hwy 1, Unit 24 Owners' Map, Sea Ranch; surrounding Kirkwood house. Comment
  CDA11928  Danthonia californica G. F. Hrusa 1989-6-4 7188 Sonoma North Coast Biodiversity Arena; Near headwaters of Nathanson Creek, E of town of Sonoma. Comment
  HSC83438  Danthonia californica Mary M. Hektner, Cathy Hendel, Susan Dakuzaku 1974-6-21 43 Sonoma Sea Ranch, near State Hwy 101, Unit 2 Owner's Map. Comment
  UCD151305  Danthonia californica James A. Neilson Jr. 1974-7-25 3050 Sonoma Mayacmas Mountains. Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  UCR280139  Danthonia californica Peter Rubtzoff 1971-6-5 6508 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  SACT000895  Danthonia californica M. Wiesendanger 1927-5-5 Sonoma Comment
  UCD60499  Danthonia californica R. Tofsrud 1947-6-16 s.n. Sonoma 1 mi. N. of Valley Ford. Comment
  UCD60677  Danthonia californica var. americana B. Crampton 1954-4-26 1789 Sonoma East of Alexander Valley, Hwy. 128, 9 miles SE of Geyserville. Comment
  UCD60998  Danthonia californica var. americana P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  SEINET12327555  Datura stramonium W. Knight, Knight, I.; Edwards, S. W. 1984-1 5054 Sonoma at edge of Willow Creek between Corona Rd & Denman Flat Comment
  JEPS15988  Daucus carota W. L. Jepson 1933-8-5 16552 Sonoma Sonoma Comment
  UCD127390  Daucus carota G. F. Hrusa 1998-11-29 14907 Sonoma mowed field across from furthest south residence. Comment
  UCD127397  Daucus carota R. Tofsrud 1948-6-24 s.n. Sonoma Santa Rosa. Comment
  RSA316514  Daucus pusillus Patricia Wilder 1965-6-10 3638 Sonoma 1 mile north of Jenner on Highway 1 30 Comment
  CAS-BOT-BC9607  Delphinium bakeri Milo S. Baker 1929-5-3 3429 c Sonoma Coleman Valley Comment
  CAS-BOT-BC9015  Delphinium decorum A. A. Heller; H. E. Brown 1902-4-11 5266 Sonoma Bodega Bay Comment
  LA207501  Delphinium hesperium Carl Epling; L. Stebbins, H. Lewis 1943-6-17 515 Sonoma Bodega Bay, ca. 2 mi. E of bay at rock outcrops Comment
  RSA149677  Delphinium hesperium C. Epling 1943-6-17 s.n. Sonoma Bodega Bay, 2 mile sE of bay at rock outcrops. Comment
  UC70363  Delphinium hesperium Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  LA207535  Delphinium luteum Joseph Andorfer Ewan; 1935-5-12 9229 Sonoma 1.5 m. W of Bodega, Bodega Bay rd Comment
  JEPS128285  Delphinium nudicaule Roger Raiche 2005-4-9 007 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC912671  Delphinium variegatum A. E. Borell 1928-4-13 122 Sonoma Petaluma Comment
  UCD68044  Dendromecon rigida Linda Martin 1976-5-29 4 Sonoma On Trinity Road, 2.4 miles West of junction with Highway 12. Found in a chaparral plant association, dominated by madrone and fir, on the roadside, in full sunlight, on stoney loose soil. A perennial woody shrub with shredding white bark, 1.5 m high. Flowers, yellow. Comment
  CAS-BOT-BC585  Dendromecon rigida subsp. rigida Roxana Stinchfield Ferris; Laura Lorraine 1961-6-15 13558 Sonoma Green Valley Rd, 0.8 miles east of junction with Harrison Grade Rd. Comment
  SEINET10717812  Deschampsia P. Rubtzoff 1962-6-13 Rubtzoff 4902 Sonoma Freestone Marsh. Comment
  SDSU992  Deschampsia cespitosa subsp. cespitosa D. F. Howe 1963-7-3 3587 Sonoma 20 miles north of junction with #12 on #1 Comment
  CAS-BOT-BC192606  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1951-6-2 95 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC192610  Deschampsia cespitosa subsp. holciformis J. W. Congdon 1892-5-30 s.n. Sonoma Cazadero Comment
  UCD63817  Deschampsia cespitosa subsp. holciformis Mary M. Hektner; Sue Dakuzaku 1974-6-3 13 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC210168  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6084 Sonoma Vernal pool 6.5 mi. northeast of Penngrove on Lichau Road. Comment
  CAS-BOT-BC201646  Deschampsia danthonioides G. DeNevers 1981-5-14 1155 Sonoma Top of Horse Hill near the Water Tank Comment
  CDA34803  Deschampsia danthonioides Peter Warner 2010-5-6 147 Sonoma Annadel State Park, in upland vernal pool ~250 m N of Canyon Trail, ~220 m W of Spring Creek, just S of old rock wall. Comment
  CAS-BOT-BC201958  Deschampsia elongata A. A. Heller 1902-6-7 5653 Sonoma Bennett Valley near Santa Rosa Comment
  UC53519  Deschampsia elongata Jos. Burtt Davy July 1896 Sonoma near Guerneville Guerneville Comment
  CAS-BOT-BC208926  Dichanthelium acuminatum subsp. acuminatum F. G. Krauss 1893-10-28 s.n. Sonoma Geyser Canyon Comment
  CAS-BOT-BC209249  Dichanthelium acuminatum subsp. acuminatum R. Spellenberg 1964-6-15 402 Sonoma The Geysers, 17 mi. E. of Geyserville Comment
  CAS-BOT-BC254477  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1937-6-6 13032 Sonoma Pitkin Marsh Comment
  POM98585  Dichanthelium acuminatum var. thermale F. W. Peirson 1926-6-22 6809 Sonoma Boiling Lake, Lassen National Park Comment
  CAS-BOT-BC502213  Dichelostemma capitatum A. A. Heller 1902-6-23 s.n. Sonoma Petrified forest Comment
  CAS-BOT-BC502219  Dichelostemma capitatum F. G. Kraus 1894-5-1 s.n. Sonoma Mountains near Calistoga Comment
  SEINET12051470  Dichelostemma capitatum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -268 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC500685  Dichelostemma pulchellum Peter H. Raven 1955-4-23 8281 Sonoma 2 mi SE of Bennett Mt. Comment
  JEPS30801  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma five mi n Jenner Comment
  RSA39845  Dichondra donelliana Vanderwal 1941-11-6 s.n. Sonoma Frank Silva property, Sebastopal. Comment
  CAS-BOT-BC176364  Digitaria sanguinalis Peter Rubtzoff 1958-8-24 3929 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  RSA796380  Digitaria sanguinalis Peter Rubtzoff 1956-9-14 2857 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD64147  Digitaria sanguinalis Beecher Crampton 1967-10-24 8220 Sonoma Ca. 4 miles east Black Point, State Hwy. 37. Comment
  CAS-BOT-BC152045  Diplacus aurantiacus F. H. Utech; Walter Knight; Irja Knight 1984-4-16 84 -076 Sonoma Ca 4.0 mi. NNW of Sonoma on Cavedale road from junction with CA hwy 12, ca. 0.4 mi N on Cavedale Road from junction. 106 Comment
  CHSC1749  Diplacus aurantiacus H. Holder 1949-5-19 Sonoma Highway #1. Comment
  CAS-BOT-BC151973  Diplacus douglasii Milo S. Baker 1927-4-12 2072 a Sonoma S.E. slope Hood's Peak 396 Comment
  UC1134581  Disporum hookeri H. S. Yates 1934-4-21 3802 Sonoma near Bodega 91 Comment
  UC1134582  Disporum hookeri E. Armstrong 1934-3-26 902 Sonoma 1 mi w of Camp Meeker 182 Comment
  POM109250  Disporum hookeri var. hookeri Marcus E. Jones 1882-7-8 s.n. Sonoma Duncan Mills. Comment
  CAS-BOT-BC323167  Distichlis Peter Rubtzoff 1971-8-23 6644 Sonoma Stony Point Road, just south of Highway 116. Comment
  UCD64361  Distichlis spicata Collector Unknown 1941-9-1 153 Sonoma Near mouth of Walker Cr. by Tomales Bay. Comment
  JEPS76928  Dodecatheon hendersonii Robert M. Lloyd 1963-2-24 2051 Sonoma 3 mi ne Forestville (on road to US 101) Comment
  SJSU8499  Dodecatheon hendersonii T. A. Wayne III 1962-4-7 Sonoma midway between Bodega Bay & Salmon Cr 91 Comment
  SEINET12330778  Downingia concolor W. Kinght, Knight, I. 1986-1 5446 Sonoma East side of McDowell Boulevard, Petaluma, between Sunrise Drive and Corona Road Comment
  UC726434  Downingia concolor var. concolor A. A. Heller 1941-5-17 16135 Sonoma 2 mi n Windsor (on U.S. Highway 101) 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
  UCR279876  Downingia concolor var. concolor Peter Rubtzoff 1969-5-3 6024 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  RSA298993  Downingia concolor var. concolor W. L. Jepson 1921-6-2 9301 Sonoma Windsor. Comment
  RSA47585  Downingia concolor var. concolor L. Beane, Lois E. James 1949-5-16 1948 Sonoma About 3 miles S of Healdsburg Comment
  JEPS26984  Downingia pusilla Milo S. Baker 1927-5-8 2114 Sonoma near Bennett Valley Road summit Comment
  CAS-BOT-BC401570  Drosera rotundifolia John Thomas Howell 1945-5-30 20906 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC159444  Drymocallis glandulosa var. glandulosa G. DeNevers 1981-5-20 1221 Sonoma In the Garrison Yard, Pepperwood Ranch Comment
  JEPS78860  Drymocallis glandulosa var. wrangelliana Edward Lee 1936-6-8 2221 Sonoma near entrance Bohemian Grove; near entrance Bohemian Grove Comment
  SEINET3859844 Image available Drymocallis wrangelliana A. A. Heller 1903-4-25 6598 Sonoma Fort Ross.; 0 Comment
  CAS-BOT-BC428179  Dudleya cymosa subsp. cymosa unspecified No date on label s.n. Sonoma Russian River Comment
  CAS-BOT-BC428180  Dudleya cymosa subsp. cymosa Alice Eastwood 1900-5-1 s.n. Sonoma Knights Valley Comment
  CAS-BOT-BC213758  Dudleya eastwoodiae Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  SD71429  Dysphania ambrosioides Peter Rubtzoff 1958-8-16 3867 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road) Comment
  UCD148392  Echinochloa crus-galli Peter Rubtzoff 1956-9-15 2901 Sonoma Atascadero Creek Marsh. Comment
  UCD60852  Echinochloa crus-galli H. H. Wernland 1923-10-10 Sonoma Near Bodega. Comment
  UCD60890  Echinochloa crus-galli Harold Weinland 1923-10-13 Sonoma Near Bodega. Comment
  CAS-BOT-BC257351  Eleocharis Peter Rubtzoff; Nancy Harrison 1974-9-7 7881 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  RSA94457  Eleocharis acicularis Peter Rubtzoff 1951-6-16 257 Sonoma Uppermost part of the western branch of the Uppper Marsh Comment
  SEINET11750917  Eleocharis acicularis C. F. Quibell 1976-1 1361 Sonoma N of Railroad Ave, W of US 101, Cristo fence route 30 Comment
  RSA94013  Eleocharis acicularis var. acicularis Peter Rubtzoff 1951-7-22 531 Sonoma Pitkin Marsh, near Forestville: Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC113739  Eleocharis acicularis var. occidentalis Peter Rubtzoff 1951-7-21 499 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC113733  Eleocharis acicularis var. occidentalis Peter Rubtzoff 1955-7-30 2002 Sonoma Bennett Mtn. Lake. Comment
  UCD49782  Eleocharis macrostachya Mary M. Hektner 1975-6-2 194 Sonoma Unit 28 Owner's Map, Sea Ranch, near State Highway 1, Sonoma County, California. Comment
  CAS-BOT-BC112073  Eleocharis quinqueflora Peter Rubtzoff 1952-5-31 1125 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112200  Eleocharis radicans Peter Rubtzoff 1965-8-22 5619 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  CAS-BOT-BC94038  Eleocharis radicans Greg de Nevers 1990-5-15 9667 A Sonoma Pepperwood Natural Preserve 3450 Franz Valley Road 457 Comment
  UCD18405  Elymus condensatus William A. Harrey 1982-7-7 s.n. Sonoma 0.5 mi west of state Hwy 1, along Bean Ave. bordering Salmon Creek. Comment
  HSC9712  Elymus glaucus C. S. Chavez 1965-6-5 82 Sonoma 1 mi. N of Sebastopol on Guerneville Rd. Comment
  UC1146677  Elymus glaucus Freed W. Hoffman 1943-6-13 2047 Sonoma Little Sulphur Creek North Coast Ranges Comment
  LA14814  Elymus glaucus H. S. Yates; 1937-6-5 6574 Sonoma 3 mi SE of Wildmont 121 Comment
  RSA129232  Elymus glaucus H. S. Yates 1937-6-5 6574 Sonoma 3 miles S.S.E. of Wildwood; Santa Rosa 122 Comment
  JEPS45814  Elymus glaucus subsp. jepsonii Eleanor Armstrong 1932-5-25 176 Sonoma 2 mi s Graton 91 Comment
  CAS-BOT-BC235231  Elymus multisetus G. DeNevers 1981-6-14 1510 Sonoma Pepperwood Ranch. On the face of Horse Hill, above the Mesa Comment
  CAS-BOT-BC235232  Elymus multisetus G. DeNevers 1981-5-30 1415 Sonoma Pepperwood Ranch. In Bertoli's Creek Comment
  CAS-BOT-BC235228  Elymus multisetus David L. Morgan 1961-5-19 s.n. Sonoma Hwy. 101, 2 miles south of Petaluma Comment
  UCR244511  Epilobium campestre Peter Rubtzoff 1962-7-6 4976 Sonoma Coast Range, Laguna de Santa Rosa near Trenton Road [south of Woolsey Road] 21 Comment
  UCD105464  Epilobium canum subsp. latifolium Frederica Bowcutt 1995-11-7 2061 a Sonoma Sugarloaf Ridge State Park. About 50 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. In Sonoma Creek watershed along Vista Trail. Comment
  UCR248960  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-24 1985 Sonoma Forestville Marsh 71 Comment
  RSA94291  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1951-7-14 436 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  CAS-BOT-BC290548  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5339 Sonoma Bodega Bay Marsh. Comment
  RSA46765  Epilobium ciliatum subsp. watsonii L. S. Rose 1947-5-9 47136 Sonoma Bodega Bay 6 Comment
  UCD55338  Epilobium densiflorum Ellen Dean 2006-6-28 3182 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. In southeast part of vineyard where a new reservoir is planned 169 Comment
  HSC101098  Epilobium densiflorum Peter Warner 2011-8-10 228 Sonoma Jenner Headlands property, Muniz Ranch Rd., about 0.5mi. N from Hwy. 1 intersection. 56 Comment
  CAS-BOT-BC262799  Epilobium hallianum Peter Rubtzoff 1962-6-1 4855 Sonoma Freestone Marsh. Comment
  POM256111  Epilobium hallianum Keith Wagnon 1940-1 MSB- 9587 Sonoma Perry s Marsh, 2 miles north of Sebastopol on highway (Gravenstein opposite Bennett s Nursery). Comment
  CAS-BOT-BC262787  Epilobium hallianum Peter Rubtzoff 1962-5-25 4843 Sonoma Atascadero Creek Marsh. Comment
  RSA800408  Epilobium hallianum Peter Rubtzoff 1957-5-11 3334 Sonoma Occidental Marsh. Comment
  UCR42297  Epilobium minutum L. F. LaPre 1985-6-25 s.n. Sonoma Coast Ranges, Socrates Mine, c. 9 mi. ENE of Geyserville 917 Comment
  UCD148324  Epilobium torreyi Peter Rubtzoff 1954-7-27 1578 Sonoma Guerneville Marsh. Comment
  UCD167453  Epipactis gigantea James Neilson 1983-6-13 4100 Sonoma near headwaters of East Austin Creek. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD165328  Equisetum Peter Rubtzoff 1973-8-21 7255 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UC371112  Equisetum arvense Miss M. Alice King 1897-1 Sonoma Comment
  CAS-BOT-BC57209  Equisetum hyemale subsp. affine Peter Rubtzoff 1952-5-31 1104 Sonoma Western branch of the Upper Marsh Comment
  UCD148330  Equisetum hyemale subsp. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC164652  Equisetum laevigatum Peter Rubtzoff 1961-8-26 4725 Sonoma Vacation Beach, near Guerneville. Comment
  UCD144427  Equisetum laevigatum Caitlin Lewis; William Mutch 1993-4-17 16 Sonoma about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile near visitor center. Along Sonoma Creek. 365 Comment
  CAS-BOT-BC57647  Equisetum telmateia Peter Rubtzoff 1959-6-7 4109 Sonoma Russian River betw. East Guernewood and Vacation Beach, near Guerneville Comment
  UCD135713  Equisetum telmateia subsp. braunii G. F. Hrusa 1995-4-2 12042 Sonoma Franz Valley Rd., approx. 3 m. W of Knights Valley interection with Hwy. 128. 150 Comment
  UCD135619  Equisetum telmateia subsp. braunii Christine Lee 1993-4-24 80 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Hillside Trail. 381 Comment
  UCD135948  Equisetum telmateia subsp. braunii J. M. Tucker; C. H. Lamoureux 1958-6-8 3407 Sonoma Beside State Highway 12, 1.6 miles southeast of center of Guerneville. Comment
  UCD63537  Eragrostis mexicana subsp. virescens Freed W. Hoffman 1943-9-14 2166 Sonoma Near Guerneville. Comment
  UCR279638  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1958-8-30 3933 Sonoma Vacation Beach, near Guerneville 3 Comment
  UCD36512  Eragrostis pectinacea Beecher Crampton 1953-11-18 1736 Sonoma Sonoma County, 10 miles northwest of Calistoga, along State Highway 128. Comment
  CAS-BOT-BC164648  Erechtites minimus Peter Rubtzoff 1974-8-4 7799 Sonoma Upper Green Valley Marsh area. Comment
  RSA784479  Erechtites minimus Peter Rubtzoff 1955-9-24 2150 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC376296  Erigeron Greg de Nevers 1992-7-25 10226 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  POM55490  Erigeron glaucus A. A. Heller, H. E. Brown 1902-5-27 5609 Sonoma Bodega Bay Comment
  UC1192210  Erigeron greenei Verne Grant, Herbert L. Mason 1946-7-5 12898 Sonoma 2 mi east of Occidental Comment
  CAS-BOT-BC300250  Erigeron reductus var. angustatus Herbert L. Mason; Verne Grant 1946-7-5 12898 Sonoma Two miles east of Occidental Comment
  JEPS116515  Erigeron reductus var. angustatus Peter Warner with R. Raiche, B. Edwards 2009-7-30 108 Sonoma Jenner Headlands, off State Hwy 1 about 1 mi N of Jenner village; E of power lines, W of Jenner Gulch 175 Comment
  UC1193343  Eriodictyon californicum R. H. Neuns 1950-4-28 97 Sonoma 8 mi e Cloverdale; Quad. 60B3 640 Comment
  CAS-BOT-BC250013  Eriogonum fasciculatum var. foliolosum Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road near the Warm Springs Dam Overlook Comment
  CAS-BOT-BC259255  Eriogonum latifolium H. L. Mason 1928-7-10 4885 Sonoma Jenner Comment
  CAS-BOT-BC259472  Eriogonum luteolum Margaret J. Williams; Wayne Roderick 1978-7-16 78- 228 -2 Sonoma Near Occidental Comment
  OBI11030  Eriogonum luteolum Robert F. Hoover 1965-6-29 9476 Sonoma North of summit on Harrison Grade, road near Occidental Comment
  UCD100300  Eriogonum luteolum K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC259471  Eriogonum luteolum John Thomas Howell 1932-9-18 10785 Sonoma Field bordering Sonoma Creek where it enters the level of Sonoma Valley Comment
  CAS-BOT-BC261684  Eriogonum nudum var. nudum C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  CAS-BOT-BC261698  Eriogonum nudum var. nudum David L. Morgan 1955-7-28 s.n. Sonoma 5 miles west of Petaluma Comment
  UC77615  Eriogonum nudum var. nudum Prof. T. S. Heaton June 1888 Sonoma Verrano Comment
  UC6543  Eriogonum roseum Willis L. Jepson August, 1892 Sonoma Cloverdale Comment
  SEINET11933967  Eriogonum ternatum Unknown 1984-1 40234 Sonoma The Cedars,5 mi N of Cazadero on King Ridge Rd, headwaters of Big Austin Creek 549 Comment
  UC494084  Eriophyllum lanatum var. achilleoides H. E. and S. T. Parks 1930-5-10 0 -837 Sonoma Knights Valley Comment
  UC632732  Eriophyllum lanatum var. achilleoides H. L. Mason 1934-4-28 8075 Sonoma 4 mi w Healdsburg (Jensen's Ranch); Head of Dohrman Creek Comment
  CAS-BOT-BC301154  Eriophyllum lanatum var. achilleoides Greg de Nevers 1981-5-9 1111 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC301278  Eriophyllum lanatum var. arachnoideum A. A. Heller; H. E. Brown 1902-4-11 5262 Sonoma Bodega Bay Comment
  UC133116  Eriophyllum lanatum var. arachnoideum Alice Eastwood 1900-9-30 Sonoma Bodega Point Comment
  UC31668  Eriophyllum lanatum var. arachnoideum Harley P. Chandler 1900-5-25 655 Sonoma Bodega Comment
  UC912251  Eriophyllum lanatum var. arachnoideum Herbert L. Mason 1934-4-28 8096 Sonoma Dohrman Creek Comment
  UC1365624  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1966-4-17 5682 Sonoma e. Graton (between Occidental and Guerneville rds., Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  UC1122952  Eryngium armatum H. S. Yates 1936-5-17 5631 Sonoma 2 mi. n. Bodega Bay; Duncan Mills Quad. 15 Comment
  CDA15033  Eryngium oblanceolatum R. Gross 1998-10-28 s.n. Sonoma North Coast Biodiversity Arena; 1/2 mi. N of Hwy 37 on Hwy 121, W side. Comment
  UCD115023  Erysimum Jackie Sinkey 1976-4-17 s.n. Sonoma Bodega Head. 152 Comment
  CAS-BOT-BC153627  Erythranthe inodora Peter Rubtzoff 1960-6-9 4487 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road Comment
  UCR265137  Erythronium californicum Ann Howald 2015-4-1 3314 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 520 Comment
  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
  SEINET12049790  Erythronium helenae F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -199 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 800 Comment
  CAS-BOT-BC402863  Eschscholzia caespitosa W. R. Ernst 1959-5-3 543 Sonoma About 1 mile southeast of Rionido Comment
  CAS-BOT-BC403697  Eschscholzia californica F. G. Krauss 1893-10-16 s.n. Sonoma Petaluma Valley Comment
  CAS-BOT-BC5891  Eschscholzia debilis Gwendolan Newell 1900-8-1 s.n. Sonoma Russian River Station Comment
  CAS-BOT-BC202770  Euonymus occidentalis K. Wagnon 1939-5-1 220 Sonoma Along Jonive Cr. about 1/8 mile northeast of Wagnon Ranch, 5 mi. west of Sebastopol Comment
  SJSU1062  Euonymus occidentalis A. W. Jacobs 1950-7-15 Sonoma near Cloverdale Comment
  SEINET9325144  Euphorbia peplus John Nelson, Wnek, R. 2000-3-8 20951 Sonoma Near Safeway Grocery, S side of Main St/River Rd (=Hwy 116) in downtown Guerneville. AC Moore Herbarium (USCH) Univ of S. Carolina Comment
  UCR255940  Euthamia occidentalis Peter Rubtzoff 1960-9-17 4560 Sonoma Laguna de Santa Rosa east of Graton, between Occidentalis and Guerneville roads 27 Comment
  CAS-BOT-BC239717  Fabaceae Walter Knight; Irja Knight 1990-5-1 6590 Sonoma Joost Road on east side of Calistoga Road between Gates and Alpine roads 182 Comment
  CAS-BOT-BC376309  Fallopia convolvulus Greg de Nevers 1992-8-1 10239 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 304 Comment
  UCR253367  Festuca arundinacea Peter Rubtzoff 1974-5-25 7455 Sonoma Upper Green Valley Marsh 76 Comment
  UCR255671  Festuca arundinacea Greg de Nevers 1998-6-10 11276 Sonoma North Coast Range, Modini Mayacamas Preserves; Pine Flat Road, near end of town of Pine Flat 91 Comment
  SDSU1110  Festuca californica D. F. Howe 1963-5-23 3528 Sonoma 3.8 miles north of Cloverdale on #128 335 Comment
  UCD151103  Festuca californica James A. Neilson Jr. 1973-6-3 2961 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
  UCD158854  Festuca californica James A. Neilson Jr.; Teresa A. Sholars 1974-12-26 2917 Sonoma The Geysers, southeast corner of Section 14. (Elevation estimated by label maker using Google Earth.) 716 Comment
  RSA123474  Festuca californica var. californica H. S. Yates 1934-4-21 3831 Sonoma 2 miles north of County Farm. 244 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
  UC576335  Festuca elmeri H. S. Yates 1937-5-31 6564 Sonoma 1 mi sw Petrified Forest; Calistoga Quad. 274 Comment
  UC38545  Festuca idahoensis Michener and Bioletti 1893-6-10 100 Sonoma Hood's Peak Comment
  CAS-BOT-BC278886  Festuca occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-14 13534 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  UCD66122  Festuca occidentalis P. B. Kennedy 1915-5-28 Sonoma Del Mar. Comment
  CAS-BOT-BC279076  Festuca rubra D. E. Breedlove 1980-6-28 44795 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC767091  Festuca rubra R. F. Hoover 1941-5-14 5088 Sonoma 2 mi s Monte Rio (on road to Camp Meeker) Comment
  UCD66359  Festuca rubra R. Tofsrud 1941-4-1 94 Sonoma Near Santa Rosa. Comment
  CAS-BOT-BC304295  Filago pyramidata John Thomas Howell 1976-4-26 51595 Sonoma E of Geyserville on road to Geysers Comment
  UC917286  Fragaria chiloensis R. H. Miller 1949-4-6 25 Sonoma approx. 5 mi S of Jenner (Route 1) Comment
  SEINET8722897 Image available Fragaria chiloensis H. S. Reed 1947-1 215 Sonoma Bodega, altitude 50 feet, Sonoma County. 15 Comment
  UCD16109  Fragaria chiloensis I. Coats 1983-5-17 26 Sonoma California. Sonoma County: Hwy 1, 4.3 mi N of the entrance to Salt Point State Park. 21 Comment
  CAS-BOT-BC457575  Fragaria vesca subsp. californica Peter Rubtzoff 1957-5-4 3304 Sonoma Upper part of Duncan's Mills Marsh, Sonoma County Marshes Comment
  UCD112540  Frangula californica Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-29 92 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC53270  Frangula californica subsp. californica Walter Knight; Irja Knight 1964-11-15 772 Sonoma Hood's Peak, Meadow above Johnson Dam Comment
  CAS-BOT-BC53279  Frangula californica subsp. californica Peter Rubtzoff 1951-6-16 251 Sonoma Uppermost part of the westsern branch of the Upper Marsh Comment
  CAS-BOT-BC53283  Frangula californica subsp. californica A. A. Heller 1902-6-26 5768 Sonoma Along Sonoma creek, at the foot of Mt. Hood Comment
  SEINET12335290  Fraxinus dipetala F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -255 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC218585  Fraxinus latifolia Peter Rubtzoff 1964-6-20 5364 Sonoma Laguna de Santa Rosa southeast of Sebastopol near Cooper Road Comment
  SEINET11993687  Fremontodendron californicum subsp. napense Unknown 1984-1 RR 40133 Sonoma N of Guerneville Morrison Ridge above Gilliam Creek, Austin Creek Recreational Area 183 Comment
  RSA247212  Fritillaria affinis Gary D. Wallace, Larry E. DeBuhr 1972-3-28 1005 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 miles from junction with Highway 128 Comment
  CAS-BOT-BC130359  Fritillaria liliacea Anita Noldeke 1940-4-1 s.n. Sonoma Near Sebastopol Comment
  CAS-BOT-BC508137  Fritillaria recurva Michener; Bioletti 1893-3-1 s.n. Sonoma Mt. Hood Comment
  SEINET8480170  Fritillaria recurva M. J. Williams 1968-4-6 s.n. Sonoma Cavedale Road. 305 Comment
  RSA264746  Galium aparine Peter Rubtzoff 1959-5-30 4068 Sonoma Freestone Marsh. Comment
  UCD151302  Galium bolanderi James A. Neilson Jr. 1974-7-31 3165 Sonoma Mayacmas Mountains. Three-quarters of a mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  JEPS52870  Galium californicum subsp. californicum Lauramay T. Dempster and Jean Colton 1963-8-5 3874 Sonoma 2 mi w Cloverdale (on road to Boonville); Alder Glen Springs Comment
  JEPS6686  Galium californicum subsp. californicum M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma near Guerneville; Russian River Comment
  POM311187  Galium divaricatum Leo Koch 1940-6-12 1014 Sonoma In hills behind Fountaingrove Vineyard. 3 miles N of Santa Rosa along Hwy 101. Comment
  UCD55328  Galium parisiense Ellen Dean 2006-6-28 3175 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  SD123748  Galium parisiense J. C. Roos 1950-7-22 4875 Sonoma Sand bar along stream bed 2 miles east of Duncan Mills 60 Comment
  JEPS52967  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3903 Sonoma 4.8 mi n Cazadero (on King Mt. Road) Comment
  UC28222  Galium porrigens var. porrigens W. A. Setchell 1898-3-15 Sonoma Cloverdale Comment
  UCD121901  Galium porrigens var. porrigens Frederica Bowcutt 1994-5-21 1831 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, about 10 air miles E of Santa Rosa, about 18 air miles NW of Napa, about 1.5 air miles N of Kenwood. Along Hillside Trail past the junction with Digger Pine trail approx. 1/4 mile. 411 Comment
  RSA264732  Galium trifidum Peter Rubtzoff 1962-7-14 4987 Sonoma Laguna. Chileno Valley. Comment
  UC665535  Gamochaeta ustulata Annetta Carter and Ethel Crum 1941-6-22 2148 Sonoma 3.3 mi e Bodega Bay; North Coast Ranges Comment
  CAS-BOT-BC303501  Gamochaeta ustulata Peter Rubtzoff 1951-7-14 453 Sonoma Pitkin Marsh, near Forestville. Between the upper and the lower marshes 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-BC199068  Garrya elliptica Greg de Nevers 1987-7-10 8238 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC182160  Garrya fremontii Milo S. Baker 1946-2-9 11263 Sonoma Hope Valley near Chamberlain Place, Kenwood Region Comment
  HSC39063  Garrya fremontii Gary S. Lester 1974-2-9 66 Sonoma Along Trinity Rd. 549 Comment
  RSA0055007  Garrya fremontii James R. Shevock 1972-3-28 1487 Sonoma Ida Canyon road near Mt. Helena. 609 Comment
  UCD66549  Gastridium phleoides Beecher Crampton 1964-8-18 7147 Sonoma N.e. Sonoma County: The Geysers, Big Sulphur Creek. Comment
  CAS-BOT-BC278688  Gastridium phleoides Peter Rubtzoff 1963-6-18 s.n. Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC278694  Gastridium phleoides Peter Rubtzoff 1962-9-16 5091 Sonoma Vacation Beach, 1.5 mi. below Guerneville Comment
  CAS-BOT-BC278714  Gastridium ventricosum David L. Morgan 1955-7-20 s.n. Sonoma Bank of Austin Cr., 3 mi. W. of Monte Rio Comment
  CDA2168  Gaudinia fragilis J. Valerius, Heather Lake 2002-6-25 s.n. Sonoma Northwest of intersection of Asti Road and South Cloverdale exit ramp from Hwy 101, Cloverdale. 0 Comment
  CAS-BOT-BC58943  Gaultheria shallon Walter Knight; Irja Knight 1964-2-27 559 Sonoma 6 mi. N. Stewart's Point Comment
  CAS-BOT-BC193259  Genista monspessulana A. A. Heller; H. E. Brown 1902-4-18 s.n. Sonoma Near Windsor 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
  UC17155  Geranium core-core J. Burtt Davy 1896-3-13 1650 Sonoma Duncan's Mills Comment
  CDA34813  Geranium dissectum Peter Warner 2010-3-29 178 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  SD56819  Geranium dissectum Darley F. Howe 1963-5-22 3520 Sonoma 14 miles south of Santa Rosa on #12 121 Comment
  CAS-BOT-BC123861  Gilia capitata subsp. capitata Amos Arthur Heller 1902-6-23 5739 Sonoma Petrified Forest Comment
  RSA178597  Gilia capitata subsp. chamissonis Roxana S. Ferris 1932-5-27 8259 Sonoma Upper Bodega Bay Comment
  JEPS128197  Githopsis specularioides Roger Raiche 2000-5-4 075 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SD88302  Glebionis segetum Darley F. Howe 1972-4-30 Sonoma Bodega Bay Comment
  CAS-BOT-BC303749  Glebionis segetum Lewis S. Rose 1933-5-9 33154 Sonoma Bodega Bay Comment
  CAS-BOT-BC435015  Glinus lotoides Peter Rubtzoff 1969-8-24 6146 Sonoma Pond on River Road 3 mi. west of Fulton. Comment
  CAS-BOT-BC227643  Glyceria Peter Rubtzoff 1968-8-24 5935 Sonoma Upper Salmon Creek Marsh. Comment
  UC1446208  Glyceria declinata Paul But with Peter Rubtzoff 1974-4-6 1005 Sonoma Kenwood Marsh Comment
  UCSB45536  Glyceria elata Roos, John 1955-7-2 Sonoma Miller Ridge Comment
  UCR244674  Glyceria occidentalis Peter Rubtzoff 1966-5-28 5739 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road crossing) 20 Comment
  CAS-BOT-BC173574  Gnaphalium Peter Rubtzoff 1970-10-3 6403 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC303863  Gnaphalium Peter Rubtzoff 1971-9-3 6697 Sonoma Spring Creek Reservoir Area Comment
  UCD148453  Gnaphalium Peter Rubtzoff 1962-9-30 5103 Sonoma Vacation Beach, 2 miles below Guerneville. Comment
  CAS-BOT-BC166790  Gnaphalium palustre Peter Rubtzoff 1959-6-20 4164 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC302697  Gnaphalium palustre Peter Rubtzoff 1955-8-21 2093 Sonoma Vacation Beach, near Guerneville, along Russian River, below the dam. Comment
  CDA13133  Gnaphalium palustre G. F. Hrusa, R. Gross 1996-6-3 13068 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  JEPS34012  Gnaphalium palustre Willis L. Jepson 1892-8-7 14749 Sonoma near Cloverdale (valley of the Russian River); Russian River Comment
  CAS-BOT-BC302683  Gnaphalium palustre Peter Rubtzoff 1951-8-19 655 Sonoma Pitkin Marsh, near Forestville. Just north of the Lower Marsh Comment
  CAS-BOT-BC302689  Gnaphalium palustre Peter Rubtzoff 1973-10-10 7339 Sonoma 2 miles west of Bloomfield along a tributary of Americano Creek. Comment
  CAS-BOT-BC261650  Gratiola Peter Rubtzoff 1969-6-14 6083 Sonoma Vernal pool, 6.5 miles northeast of Penngrove on Lichau Road 426 Comment
  CAS-BOT-BC251303  Gratiola ebracteata Peter Rubtzoff 1961-7-22 4664 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC164093  Grindelia Peter Rubtzoff 1963-6-6 5171 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  UCD158823  Grindelia James A. Neilson Jr.; Teresa A. Sholars 1974-12-28 2896 Sonoma northwest corner of Section 14, The Geysers. (Elevation estimated by label maker using Google Earth.) 472 Comment
  UCD148466  Grindelia camporum Peter Rubtzoff 1963-7-14 5205 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  CAS-BOT-BC305166  Grindelia hirsutula Walter Knight; Irja Knight 1963-9-1 315 Sonoma Asti Comment
  CAS-BOT-BC305179  Grindelia hirsutula John Thomas Howell 1938-7-3 13946 Sonoma Stony Point Comment
  CAS-BOT-BC305180  Grindelia hirsutula J. T. Howell 1930-6-8 5223 Sonoma 8 mi. west of Petaluma Comment
  SBBG45076  Grindelia hirsutula H. E. and S. T. Parks -Nov-1929 411 Sonoma Tubbs Island, sea level Comment
Read comments
Feb 9 2015
  CAS-BOT-BC305173  Grindelia hirsutula Robert M. King 1980-7-8 8413 Sonoma Generally 2 miles north of Bodega Bay Comment
  HSC94161  Hainardia cylindrica Gordon Leppig 2000-5-6 1345 Sonoma Austin Creek Trail. 177 Comment
  UCD85231  Hainardia cylindrica John Thomas Howell 1930-6-8 5219 Sonoma 8 miles W of Petaluma on Bodega Road. Comment
  CAS-BOT-BC302251  Harmonia nutans J. Clausen 1935-5-24 1077 Sonoma Adobe Canyon at Sonoma Creek, along base of first ravine above Kenwood Sprs. Comment
  CAS-BOT-BC302252  Harmonia nutans J. Clausen 1935-5-24 1077 Sonoma Adobe Canyon at Sonoma Creek, first ravine above Kenwood Springs Comment
  CAS-BOT-BC371462  Hedera helix Greg de Nevers 1989-8-28 9097 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Skovie. 400 Comment
  RSA93426  Helenium bigelovii Milo S. Baker 1939-5-19 9331 Sonoma Perry Marsh near Molino. Comment
  CAS-BOT-BC262949  Helenium puberulum Peter Rubtzoff 1955-7-31 2014 Sonoma Forestville Marsh. Comment
  JEPS15040  Helenium puberulum unknown 1877-6-14 Sonoma Guerneville Comment
  CAS-BOT-BC309578  Helenium puberulum G. DeNevers 1981-6-18 1572 Sonoma Pepperwood Ranch. Pippindale Pond Comment
  POM260541  Helenium puberulum Roxana S. Ferris 1937-8-18 9374 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  OBI77851  Helianthus gracilentus David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-5 24503 Sonoma Along Cavedale Road ca. 1.5 miles from junction with Trinity Road, Mayacamus Mountains Comment
  CAS-BOT-BC257686  Hemizonia Peter Rubtzoff 1969-8-26 6161 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC262975  Hemizonia Peter Rubtzoff 1954-8-3 1646 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC305996  Hemizonia Peter Rubtzoff 1969-8-28 6164 Sonoma Vernal pool area, 6.5 miles northeast of Penngrove on Lichau Road. 426 Comment
  RSA796387  Hemizonia Peter Rubtzoff 1969-8-28 6164 Sonoma 6.5 mi NE of Penngrove on Lichau Road. 427 Comment
  RSA800288  Hemizonia Peter Rubtzoff 1962-10-9 5115 Sonoma Lower Salmon Creek Marsh. Comment
  POM179723  Hemizonia congesta J. T. Howell 1930-6-8 5216 Sonoma 8 miles west of Petaluma on Bodega Road. Comment
  UC89015  Hemizonia congesta J. W. Congdon 1880-8-1 Sonoma Santa Rosa Road Comment
  RSA81625  Hemizonia congesta James I. McMurphy 1909-8-9 s.n. Sonoma 1 mile S of Sonoma. Comment
  RSA81671  Hemizonia congesta James I. McMurphy 1909-5-28 s.n. Sonoma 2 miles S of Fulton. Comment
  CAS-BOT-BC306163  Hemizonia congesta subsp. clevelandii Lewis S. Rose 1935-9-11 35622 Sonoma 2 mi. N. of Healdsburg 39 Comment
  CAS-BOT-BC306214  Hemizonia congesta subsp. congesta H. M. Hall 1916-6-23 10241 Sonoma Twelve km. northwest of Petaluma Comment
  CAS-BOT-BC306220  Hemizonia congesta subsp. congesta Milo S. Baker 1932-6-9 5745 Sonoma Near Wrights School Comment
  SEINET7067333  Hemizonia congesta subsp. congesta A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles East of Windsor on Faught Road. Coordinate datum: NAD27. UTM Zone 10, 521654mE, 4261292mN. Comment
  UC193422  Hemizonia congesta subsp. congesta H. M. Hall 1916-6-23 10241 Sonoma twelve km n Petaluma Comment
  CAS-BOT-BC306240  Hemizonia congesta subsp. congesta J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station between Santa Rosa and Sebastopol Comment
  HSC100963  Hemizonia congesta subsp. congesta Peter Warner 2011-5-28 202 Sonoma Cresta Ranch (Sonoma Co. Ag. Preservation and Open Space Dist. Property; off Mark West Springs Rd. at Mark West Lodge), upslope S from Cresta Rd. ~67 m, near west property boundary. 154 Comment
  CAS-BOT-BC309668  Hemizonia congesta subsp. lutescens John I. Carlson 1917-7-23 s.n. Sonoma Preston Comment
  CAS-BOT-BC309685  Hemizonia congesta subsp. lutescens Lewis S. Rose 1964-8-26 64067 Sonoma 5 miles ne. of Penngrove 243 Comment
  CAS-BOT-BC309691  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station, between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC309692  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-8 701 c Sonoma Leddy Station between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC309711  Hemizonia congesta subsp. lutescens J. Clausen 1935-5-24 1085 Sonoma 5.1 miles south of Jenner, on the Bodega road Comment
  CAS-BOT-BC309726  Hemizonia congesta subsp. lutescens Roxana S. Ferris; Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental Road with Facendini Lane Comment
  OBI16232  Hemizonia congesta subsp. lutescens Lewis S. Rose 1964-8-26 64067 Sonoma 5 mi NE of Penngrove 244 Comment
  UC1392842  Hemizonia congesta subsp. lutescens R. F. Hoover 1969-8-31 11567 Sonoma near Petaluma; Adobe Road and Casa Grande Road Comment
  UC483683  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-9 5746 Sonoma 1 mi e Occidental Comment
  CAS-BOT-BC309704  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-23 10243 Sonoma 7 1/2 mi. n.w. of Petaluma Comment
  CAS-BOT-BC309712  Hemizonia congesta subsp. lutescens Catherine Best 1981-6-5 s.n. Sonoma Hwy. 1, one mile north of Jenner Comment
  UC295871  Hemizonia congesta subsp. lutescens H. M. Hall 1924-8-13 12101 Sonoma 4 km s Santa Rosa (along road to Petaluma) Comment
  UC897703  Hemizonia congesta subsp. lutescens Milo S. Baker 5718 Sonoma Comment
  CAS-BOT-BC309955  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-10-26 4539 Sonoma 7 1/2 miles from Santa Rosa on road to Petrified Forest Comment
  CDA30997  Hemizonia congesta subsp. luzulifolia D. G. Kelch, Troy McGregor 2010-8-22 10 .352 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  SD239596  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2804 Sonoma North Coast Ranges: west slope of Mayacamas Mountains, Los Alamos Rd. at Cougar Lane, 2.3 miles east of intersection Hwy 12. 328 Comment
  SD243093  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2807 Sonoma North Coast Ranges: Sonoma Valley, Felder Creek drainage, west side of Macabee Road, 0.2 mile north of Felder Road, west of Arnold Drive (Sonoma 7.5'Q) 34 Comment
  UC990617  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-8-8 705 Sonoma near Kenwood Comment
  CAS-BOT-BC309944  Hemizonia congesta subsp. luzulifolia H. M. Hall 1924-8-13 12100 Sonoma North of Healdsburg Comment
  CDA20440  Hemizonia fitchii McArthur 2002-9-4 PDR P 092053 Sonoma Northern California; State park in the vicinity of Kenwood. 0 Comment
  RSA293431  Hemizonia lutescens Reino Alava 1958-5-24 2061 Sonoma About 4 miles east of Occidental Comment
  RSA81564  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-8-9 714 -A Sonoma 4.5 miles S of Santa Rosa. Comment
  RSA81679  Hemizonia multicaulis subsp. vernalis James I. McMurphy 1909-5-28 s.n. Sonoma About 1 mile W of Santa Rosa. Comment
  CDA38361  Heracleum lanatum T. C. Fuller 1957-9-16 414 -57 Sonoma Jenner. 0 Comment
  UCR261633  Hesperevax sparsiflora var. sparsiflora Ann Howald 2003-5-15 2334 B Sonoma Inner North Coast Ranges, Sonoma Mountains, south end, lower east slope, c. 0.2 mile southeast of intersection of Lewis Creek and Felder Creek 151 Comment
  LA6482  Hesperocyparis goveniana Milo S. Baker; March 1933 7562 Sonoma near summit of Harrison's Grade near Occidental Comment
  HSC1230  Hesperocyparis sargentii L. S. Rose 1969-8-17 69096 Sonoma 4 mi. NE of Occidental, Harrison Grade 244 Comment
  JEPS18146  Hesperolinon micranthum Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5669 Sonoma vicinity of The Cedars (near Layton Chromite Mine); headwaters of Big Austin Creek 266 Comment
  UC1212256  Hesperolinon micranthum Helen K. Sharsmith 1947-5-30 3968 Sonoma Harrison grade 2 mi e Occidental; Inner North Coast Ranges 213 Comment
  CAS-BOT-BC123115  Hesperolinon spergulinum Henry Nicholas Bolander 1867-6-1 6568 Sonoma Cloverdale Comment
  JEPS82314  Hesperolinon spergulinum Roger Raiche 1983-6-19 30411 Sonoma The Cedars; slopes of Red Slide Creek 243 Comment
  UC1212384  Hesperolinon spergulinum Helen K. Sharsmith 1947-5-30 3967 Sonoma 2 mi e Occidential (Harrison Grade); Inner North Coast Ranges 213 Comment
  UC1212404  Hesperolinon spergulinum F. W. Hoffman 1950-6-16 3615 Sonoma near Mercuryville (on road from Healdsburg to Big Geysers) Comment
  UCD151299  Hesperolinon spergulinum James A. Neilson Jr. 1974-7-24 2967 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 Comment
  UCD110528  Hesperolinon spergulinum Frederica Bowcutt 1994-6-24 1882 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
  CHSC107541  Heterotheca oregona D. G. Kelch; Troy McGregor 2010-8-22 10 .360 Sonoma Geyser Peak Rd along Sulfur Creek nr historic bridge. 268 Comment
  UC87418  Heterotheca oregona var. oregona G. A. Newell 1900-8-1 Sonoma Russian River Station Russian River Comment
  CAS-BOT-BC311221  Heterotheca sessiliflora subsp. echioides Peter Rubtzoff 1975-8-16 8329 Sonoma Annadel State Park. Near trail between Bennett Mtn. Lake and Bennett Ridge Road (south of Bennett Mtn. Lake) Comment
  UC858024  Heuchera micrantha var. erubescens Eliz. Parsons Hauver June 1915 Sonoma Skaggs Springs Comment
  SEINET3817294 Image available Heuchera pilosissima Lewis S. Rose 1939-5-14 39119 Sonoma 2 miles east of Bodega Bay. 30 Comment
  CAS-BOT-BC319709  Hieracium albiflorum Volney Rattan 1877-6-15 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC319703  Hieracium albiflorum Dorothy Scherer 1997-5-20 131 Sonoma Hilltop south side of Fort Ross Road, 1/8 mi. west of Seaview rd., Fort Ross State Historic Park 39 Comment
  SEINET12164293  Hoita macrostachya W. Knight, Knight, I. 1984-1 5051 Sonoma 3 mi up Cavedale rd from Hwy 12 growing in web area at spring Comment
  UCD105878  Hoita macrostachya E. M. Loeb 1930-7-1 s.n. Sonoma Wappo Indians, Redwood Highway, 1 1/2 miles below Healdsburg. Dept. of Anthropology. Comment
  CDA27097  Hoita orbicularis D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC280803  Holcus lanatus Marcus E. Jones 1882-7-18 3546 Sonoma Duncan's Mills Comment
  JEPS71229  Holcus lanatus Virginia Bufford 1932-8-27 504 Sonoma near Occidental; near Occidental Comment
  OBI35876  Holcus lanatus David J. Keil 1983-6-29 17202 Sonoma Ca. 10 mi SE of Ft Ross along hwy 1 Comment
  RSA144370  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
  UC1056243  Holcus lanatus Virginia E. Long 1930-9-13 6 a Sonoma about 10 mi n Cloverdale Comment
Read comments
Aug 15 2010
  UC818446  Holcus lanatus Marcus E. Jones, A. M. 1882-7-18 3546 Sonoma Duncan's Mills Comment
  UCD84893  Holcus lanatus Mary M. Hektner; Sue Dakuzaku 1974-6-4 20 a Sonoma Near State Hwy 1, Unit 24 Owners' Map, Sea Ranch. Comment
  HSC89935  Holcus lanatus Delzie Demaree 1955-6-12 36964 Sonoma Bottoms in Westminster Woods. Comment
  SEINET10960739  Holcus lanatus A. Arthur Heller 1902-6-7 Heller 5651 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  JEPS83481  Holodiscus discolor R. D. Stone 1985-5-29 672 Sonoma Cobb Mt.; ; upper Cobb Creek drainage ca. 1.1 mi. SW of Cobb Mt. summit 1066 Comment
  CAS-BOT-BC166738  Holozonia filipes Peter Rubtzoff 1971-6-23 6546 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  HSC90904  Holozonia filipes Rimo Bacigalupi, Peter Rubtzoff 1976-8-6 Sonoma Knights Valley; off S side of Bavarian Lion Company ranch road (between it and a creek), 1-1.5 mi. W of its junction with Franz Vally Rd. (0.4 mi. S of Hwy. 128) Comment
  RSA523929  Holozonia filipes R. C. Bacigalupi, Peter Rubtzoff 1976-8-6 s,n, Sonoma Knights Valley. Ffat off S side of Bavarian Lion Company ranch road (between it and a creek), 1-1.5 miles W of its junction with Franz Valley Road. (0.4 mile S of Hwy 128). Comment
  RSA783726  Holozonia filipes Peter Rubtzoff 1971-7-9 6601 Sonoma 4.25 mi W of Glen Ellen on Bennett Valley Road. Comment
  SEINET10933146  Hookera terrestris A. Arthur Heller 1940-5-10 Heller 15602 Sonoma Scattered plants on a grassy slope near the Ocean between Fort Rosa and Stewart's Point. Humid Transition Life Zone. 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-BC285184  Hordeum marinum subsp. gussoneanum Barrett Anderson 1987-4-27 3463 Sonoma Petaluma, south of El Rose and west of D Street 120 Comment
  SEINET10892631  Hordeum marinum subsp. gussoneanum A. Arthur Heller 1902-6-4 Heller 5636 Sonoma Santa Rosa. Comment
  POM205105  Hordeum murinum subsp. glaucum A. A. Heller 1902-6-4 5636 Sonoma Santa Rosa Comment
  CAS-BOT-BC282024  Hordeum murinum subsp. leporinum A. A. Heller 1902-4-11 5278 Sonoma Bodega Bay Comment
  CAS-BOT-BC273542  Hordeum vulgare G. DeNevers 1981-5-2 920 Sonoma Pepperwood Ranch. At National Ice Company, Santa Rosa. Across the street from a Feed Grain Tank Comment
  CAS-BOT-BC273541  Hordeum vulgare Peter H. Raven 1950-4-6 1556 Sonoma Cotati, Sonoma Co. to Santa Rosa 45 Comment
  CAS-BOT-BC146523  Horkelia tenuiloba John Thomas Howell 1945-5-30 20909 Sonoma Vine Hill School Comment
  CDA11293  Horkelia tenuiloba G. F. Hrusa 1994-6-14 11889 Sonoma North Coast Biodiversity Arena; W of Hogback Mtn. Point of main ridge separating headwaters of Nathanson Creek and Agua Caliente Creeks. Comment
  RSA731317  Horkelia tenuiloba Chris K. Kjeldsen, Daniel T. Kjeldsen 2005-10-4 1885 Sonoma Coast Ranges: Russian River watershed, Bohemian Grove, N of Camp Meeker and Tyrone off Bohemian Highway. 128 Comment
  SD186197  Hosackia gracilis G. F. Pratt, C. Pierce 2003-5-15 Sonoma Salt Point State Park. 29 Comment
  UCD106191  Hosackia stipularis P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC401003  Hypericum anagalloides Walter Knight; Irja Knight 1963-9-1 135 Sonoma Marsh near highest summit of Harold Smith Ranch on Pine Mt Rd NE of Cloverdale 731 Comment
  CAS-BOT-BC410825  Hypericum concinnum D. E. Breedlove 1980-6-28 44803 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC401289  Hypericum perforatum Mary P. Wells 1984-5-24 272 Sonoma Annadel State Park, Santa Rosa Comment
  SEINET11993496  Hypericum perforatum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -154 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 80 Comment
  CAS-BOT-BC319045  Hypochaeris glabra Peter Rubtzoff 1953-11-1 1429 Sonoma Vacation Beach near Guerneville, Russian River Comment
  UC496384  Hypochaeris glabra Merle Randall Sonoma Cazadero 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
  UC496385  Hypochaeris radicata Merle Randall 1930-6-9 Sonoma Cazadero Comment
  CAS-BOT-BC316710  Hypochaeris radicata Greg de Nevers 1981-5-23 1302 Sonoma Top of Devils Kitchen Hill, Pepperwood Ranch Comment
  UCD138706  Iris douglasiana Charles B. Heiser Jr. 1946-4-13 1721 Sonoma between Jenner and Duncan's Mills. Comment
  UCD138711  Iris douglasiana Marilyn J. Veron 1976-5-2 16 Sonoma 2.1 miles northeast of Bodega Bay on Bay Hill Road. Comment
  UC623307  Iris fernaldii H. L. Mason 1939-5-18 12100 Sonoma 5 mi w Petrified 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
  RSA48721  Iris fernaldii Lee W. Lenz 1949-5-2 14427 Sonoma Santa Rosa - Calistoga Road, 0.5 mile from junction with road to Mark West Springs 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
  SEINET7883381 Image available Iris macrosiphon Laura Zeller 1965-1 2 Sonoma Ca. 1.5 miles E of Highway 12 on Cavedale Road 198 Comment
  UCD166077  Isoetes Peter Rubtzoff 1971-6-5 6514 Sonoma Dry bed of vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC164686  Isoetes Peter Rubtzoff 1971-9-30 6714 Sonoma Spring Creek Reservoir area. Comment
  CAS-BOT-BC368087  Isoetes howellii Greg de Nevers 1998-3-20 11220 Sonoma Cresta Ranch, Mark West Creek Comment
  CAS-BOT-BC61923  Isoetes nuttallii Peter Rubtzoff 1951-6-7 138 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC61925  Isoetes nuttallii Peter Rubtzoff 1963-6-22 5187 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC112577  Isolepis cernua Marcus Eugene Jones 1882-7-17 s.n. Sonoma Duncan Mills Comment
  UCSB26159  Isolepis cernua Beetle, Alan 1941-7-8 Sonoma Coastal bluffs; 5 miles north of Steward Point Comment
  SD134077  Isolepis cernua Peter Rubtzoff 1954-8-3 1635 Sonoma Lower Salmon Creek Marsh, open, wet ground. (IPB 11/07) Comment
  CAS-BOT-BC340224  Jaumea carnosa Peter Rubtzoff 1955-8-20 2077 Sonoma Bodega Head Marsh Comment
  UCD110264  Juglans hindsii Botany 102 students 1993-4-24 81 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air NW of Napa. S of Sonoma Creek near beginning of Hillside Trail. 381 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
  UCD141323  Juncus balticus subsp. ater Frederica Bowcutt 1997-7-18 2182 b Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge west of Bear Creek. 365 Comment
  CAS-BOT-BC164386  Juncus balticus subsp. ater Peter Rubtzoff 1971-7-23 6606 Sonoma Sonoma: Laguna, Chileno Valley Comment
  SEINET10533021  Juncus bufonius Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7082 Sonoma On n-facing grassy clay bank, .6 mile w of sonoma-napa co. Line on hwy. 121. 61 Comment
  CHSC105755  Juncus effusus subsp. pacificus Peter F. Zika 2008-7-21 23922 Sonoma San Francisco Bay (SnFrB). E side of Route 116 at Llano Road. 40 Comment
  UCD160848  Juncus effusus subsp. pacificus James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3288 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
  UCR244512  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5907 Sonoma Lichau Marsh [5 miles northeast of Penngrove on Lichau Road] 220 Comment
  RSA789173  Juncus effusus subsp. pacificus Peter Rubtzoff 1969-8-14 6136 Sonoma Coleman Marsh. Comment
  RSA785888  Juncus effusus var. brunneus Peter Rubtzoff 1963-7-27 5213 Sonoma Duncans Mills Marsh. Comment
  RSA128807  Juncus occidentalis Peter H. Raven 1950-4-23 1914 Sonoma Solne Vista. 152 Comment
  UCD141633  Juncus occidentalis Mary M. Hektner 1976-12-15 280 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA94073  Juncus orthophyllus J. T. Howell 1945-7-18 21329 Sonoma Pitkin Marsh Comment
  UCR51377  Juncus oxymeris L. F. LaPre 1987-6-28 s.n. Sonoma North Coast Range, Pine Flat Road, spring near Contact Mine Comment
  UCD35656  Juncus patens Beecher Crampton 1959-6-16 5389 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  JEPS67064  Juncus phaeocephalus var. paniculatus W. L. Jepson 1921-6-2 9304 Sonoma nw of Windsor (and just e of Calhoun ranch) Comment
  RSA293429  Juncus phaeocephalus var. phaeocephalus Reino Alava 1958-5-24 2047 Sonoma Northern part of Pitkin Marsh. Comment
  UCD150137  Juncus tenuis Ayzik Solomeshch 2009-5-13 s.n. Sonoma West edge of city of Santa Rosa, S of Hwy 12 and just E of S Wright Rd. San Jones wetland, sampling pool #1. 31 Comment
  RSA126570  Juncus xiphioides H. S. Yates 1936-5-16 5596 Sonoma 2 miles SE of Forestville 30 Comment
  CAS-BOT-BC540802  Kickxia Peter Rubtzoff 1987-9-27 9856 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  UC1011011  Koeleria macrantha Virginia Bufford 1936-5-20 334 Sonoma Kellogg-Mark West Rd 3 mi from Kellogg Comment
  UCD86025  Koeleria macrantha Beecher Crampton 1957-7-22 4396 Sonoma 1/4 mile north of Fort Ross, State Hwy. 1. Comment
  HSC100956  Koeleria macrantha Peter Warner 2011-5-13 195 Sonoma Jenner Headlands, Upper Russian Gulch Pasture,~1.5 km, N70 deg. E of Hwy. bridge at Russian Gulch, ~ 90 m N of power lines. 203 Comment
  CAS-BOT-BC273787  Koeleria pyramidata G. DeNevers 1981-5-23 1289 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  UC403007  Kopsiopsis strobilacea Adolphe H. Weber May 1896 Sonoma Comment
  UC194415  Laennecia coulteri E. L. Greene 1888-9-1 Sonoma Santa Rosa Comment
  CAS-BOT-BC274317  Lagurus ovatus Catherine Best 1984-6-11 973 B Sonoma At Goat Rock Park Comment
  CDA2215  Lagurus ovatus T. C. Fuller 1971-6-3 19897 Sonoma Sea Ranch. 0 Comment
  SD34488  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point, open coastal bluffs Comment
  SJSU9868  Lagurus ovatus S. H. Casey 1969-5-13 238 Sonoma 3 mi N of Stewarts Point Comment
  UCD150130  Lasthenia burkei Ayzik Solomeshch 2009-5-11 s.n. Sonoma Northwest of the city of Santa Rosa, S of River Rd and W of Fulton Rd. Just N of Wood Rd. Sampling pool #4. 44 Comment
  CAS-BOT-BC385626  Lasthenia californica Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs 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
  UC1118957  Lasthenia californica subsp. californica H. S. Yates 1934-4-22 3843 Sonoma 2 mi. s Mark West; Calistoga Quad. Comment
  UC174195  Lasthenia californica subsp. californica Katharine Brandegee 1905-6-1 Sonoma between Santa Rosa and Sebastopol Comment
  UCD158815  Lasthenia californica subsp. californica James A. Neilson Jr. 1974-4-17 3056 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  JEPS104665  Lasthenia conjugens Sarah Lynch and Geoff Monk 2003-5-1 Sonoma Martinelli Ranch off Stage Gulch Road at Petaluma Road, Petuluma 85 Comment
  CAS-BOT-BC352756  Lasthenia fremontii Alice Eastwood; John Thomas Howell 1936-5-19 2514 Sonoma 2 miles N of Windsor Comment
  CAS-BOT-BC355521  Lasthenia glaberrima Alice Eastwood 1921-4-24 10356 Sonoma Santa Rosa Comment
  CAS-BOT-BC355522  Lasthenia glaberrima Alice Eastwood 1917-5-13 s.n. Sonoma Road to Bodega Point Comment
  HSC100946  Lasthenia gracilis Peter Warner 2011-3-26 182 Sonoma Annadel State Park, ~50 m E upslope from Live Oak Trail, ~200 m N of junction with Rough Go Trail. 229 Comment
  UC726106  Lasthenia minor A. A. Heller 1940-5-17 15628 Sonoma n of the town of Bay; Bodega Bay Comment
  SD241760  Lasthenia minor J. Clausen 1935-5-24 1084 Sonoma 5 miles south of Jenner, on bluffs overlooking the ocean. Comment
  SD112563  Lasthenia minor subsp. maritima Darley F. Howe 1966-6-2 4259 Sonoma Coast,4.0 miles north of Bodega Bay on Highway 1. Comment
  UC424792  Lathyrus jepsonii var. californicus unknown Apr 1930 4848 b Sonoma near Plantation Comment
  UCD106341  Lathyrus polyphyllus P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  RSA161411  Lathyrus torreyi R. C. Bacigalupi 1926-5-2 1374 Sonoma Cazadero. Comment
  SJSU8331  Lathyrus torreyi G. J. Woodside 1969-4-29 Sonoma Dutton Bill Cr, 4 mi above Camp Meeker Comment
  NY15643  Lathyrus venosus var. californicus J. Torrey 1865-1 Sonoma Sonoma Valley Comment
  UCD106467  Lathyrus vestitus Frederica Bowcutt 1984-6-23 441 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. West of Highway 1. Along bluff trail north of Gerstle Cove about 1/2 mile. 15 Comment
  CAS-BOT-BC323236  Layia chrysanthemoides John Thomas Howell 1931-4-18 6426 Sonoma 8 miles N of Bay Comment
  CAS-BOT-BC323256  Layia chrysanthemoides Marian L. Campbell 1921-4-15 s.n. Sonoma Sonora Comment
  RSA785922  Layia chrysanthemoides Peter Rubtzoff 1966-5-29 5730 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA785925  Layia chrysanthemoides Peter Rubtzoff 1969-5-11 6036 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  UCSB21086  Layia chrysanthemoides McCarthy, Sharon 1965-4-17 Sonoma At corner of 5th St. West and Mac Arthur St., Sonoma 25 Comment
  UC584208  Layia gaillardioides David D. Keck 1935-6-15 3379 Sonoma Russian River Comment
  CAS-BOT-BC379624  Layia platyglossa Alice Eastwood 1915-6-29 4836 Sonoma Bodega Point Comment
  CAS-BOT-BC329305  Layia septentrionalis H. E. Brown; A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood Comment
  CAS-BOT-BC274363  Leersia oryzoides Peter Rubtzoff 1958-7-19 3762 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  UCD148508  Leersia oryzoides Peter Rubtzoff 1965-10-17 5660 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  RSA0056431  Leersia oryzoides Greg de Nevers 1995-10-1 10775 Sonoma Russian River near Mirabel Road. 91 Comment
  CAS-BOT-BC210101  Lemna Peter Rubtzoff 1970-8-18 6316 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC210102  Lemna Peter Rubtzoff 1970-8-18 6320 Sonoma 5 miles north of Sears Point. Comment
  SEINET6096569  Lemna gibba Unknown 1965-11-9 5666 Sonoma Stony Point Marsh. Comment
  UCR254728  Lemna minima Peter Rubtzoff 1955-7-31 2007 Sonoma Forestville Marsh [c. 0.5 mi E of Forestville, NW of Sebastopol] 50 Comment
  UCR256526  Lemna minor Peter Rubtzoff 1962-10-9 5112 Sonoma Lower Salmon Creek Marsh 6 Comment
  UC1101272  Lemna minuscula Malcolm A. Nobs, S. Galen Smith 1949-8-1 1105 Sonoma 2 mi e of Stewart's Point (on road to Geyserville) Comment
  UCD166177  Lemna valdiviana Peter Rubtzoff 1969-7-5 6105 Sonoma Pond 5.25 mi. NE of Penngrove near Lichau Road. Comment
  UCR256275  Lemna valdiviana Peter Rubtzoff 1954-8-10 1671 Sonoma Bodega Head Marsh 6 Comment
  CAS-BOT-BC89146  Lepidium didymum Peter Rubtzoff 1987-10-17 9870 Sonoma Russian River at Forest Hills, 5.5 mile east of Guerneville, 9981 Old River Road near Forest Hills Road junction. Comment
  RSA120850  Lepidium didymum Milo S. Baker 1957-05 13096 Sonoma Junior College Campus, only near Machine Shop Building. Santa Rosa. Comment
  RSA790009  Lepidium didymum Peter Rubtzoff 1960-5-15 4333 Sonoma Fife Creek Marsh. 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
  CAS-BOT-BC12973  Lepidium strictum Catherine Best 1990-3-24 1361 Sonoma Northwest of Santa Rosa near Piner and Fulton. Comment
  UCD115832  Lepidium strictum Daehler; Lu 1993-5-8 250 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. 371 Comment
  CAS-BOT-BC274000  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-7-17 6284 Sonoma 5 miles north of Sears Point Comment
  CAS-BOT-BC226545  Leptosiphon acicularis Alice Eastwood 1921-4-24 10366 Sonoma Santa Rosa Comment
  CHSC23086  Leptosiphon androsaceus Robert A. Schlising 1962-3-31 2128 Sonoma Coast Ranges. Ca 2 mi NE of Kenwood along road into Sugarloaf Ridge. Comment
  CAS-BOT-BC376427  Leptosiphon parviflorus Greg de Nevers 1995-6-3 10745 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Road to Weimar Flat. 400 Comment
  JEPS20586  Lessingia ramulosa Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  CAS-BOT-BC341998  Lessingia ramulosa John Thomas Howell No date on label 2250 Sonoma SE. of Santa Rosa Comment
  UCR255875  Leucanthemum vulgare Greg de Nevers 1994-4-1 10517 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD92466  Leymus X vancouverensis Beecher Crampton 1959-6-16 5402 Sonoma Doran Park, south end of Bodega Bay. Comment
  RSA0045176  Ligusticum apiifolium Greg de Nevers 1998-5-31 11269 A Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, between Cresta and second bridge below Mark West Lodge. 100 Comment
  UC648276  Ligusticum apiifolium Alice Eastwood and John Thomas Howell 1939-6-11 7409 Sonoma near Triniti P.O. (Hood Mt. Range); Hood Mt. Range Comment
  RSA276592  Lilaeopsis occidentalis Lincoln Constance 3880 Sonoma Sonoma County: Shallow water with Salix Bodega Bay Comment
  UCD139744  Lilium maritimum Mary M. Hektner 1975-6-3 208 Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS19609  Limnanthes douglasii W. L. Jepson 1921-5-6 9187 Sonoma Porter Creek Comment
  RSA227238  Limnanthes douglasii Peter Rubtzoff 1969-5-3 6025 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  SEINET6670406  Limnanthes douglasii M. S. Baker 1898-5-7 632 Sonoma Glen Ellen Comment
  UC971870  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-3-14 1123 Sonoma 0.3 mi n El Verano School (open field w side of road) Comment
  RSA177974  Limnanthes douglasii subsp. nivea Robert F. Thorne 1965-4-19 34274 Sonoma Titus Ranch, Valley Ford. 18 Comment
  UC635633  Limnanthes douglasii subsp. nivea H. L. Mason 1926-3-20 2746 Sonoma marshes s Calistoga (along railroad right-of-way) Comment
  SEINET12183384  Limnanthes douglasii var. nivea F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -144 Sonoma junction Valley Ford & Franklin School Roads, ca 0.1 mi from junction Valley Ford Road & CA 1 20 Comment
  JEPS102969  Limnanthes vinculans Ann Howald 1994-4-19 1809 Sonoma Knights Valley, Bavarian Lion Ranch Comment
  JEPS87239  Limnanthes vinculans Jack and Betty Guggolz 1992-4-22 1255 Sonoma se Bloomfield Road (s of Sebastopol) 32 Comment
  UCD71176  Limnanthes vinculans M. Plotkin 1995-5-29 MSP 04 Sonoma Todd Road, Southeast of Sebastopol, adjacent to CA Department of Fish and Game Todd Road Ecological Reserve. In culvert inside Todd road right of way. 24 Comment
  RSA800898  Limosella acaulis Peter Rubtzoff 1966-5-7 5721 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  SEINET7067341  Linanthus acicularis A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor. Coordinate datum: NAD27. UTM Zone 10, 522900mE, 4266529mN. Comment
  SEINET7042679  Linanthus acicularis A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. 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
  UC30163  Linanthus dichotomus W. H. Brewer 1862-4-18 969 Sonoma near Sonoma Comment
  UC70407  Linanthus grandiflorus Milo S. Baker 1899-6-24 Sonoma near Valley Ford Comment
  UC23768  Linanthus parviflorus Willis L. Jepson 1893-5-1 Sonoma Knights Valley grade Napa River Basin Comment
  UCD164544  Lindernia Peter Rubtzoff 1975-8-26 8357 Sonoma Bennett Mountain Lake, northern lakeshore. Comment
  POM298415  Linum angustifolium H. C. Cantelow 1941-6-7 s.n. Sonoma 5-1/2 miles south of Bay, State Hwy. 1. Comment
  SEINET7884058 Image available Linum spergulinum Michener, Bioletti 1892-1 376 Sonoma Magg's Springs Comment
  SEINET12030991  Lithocarpus densiflorus F. H. Utech 1988-1 88 -209 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  SEINET8981358  Lithocarpus densiflorus L. Fallon 1939-1-2 s.n. Sonoma 15 miles west of Santa Rosa Comment
  CAS-BOT-BC36014  Lithocarpus densiflorus var. densiflorus H. E. McMinn 1922-6-7 191 Sonoma Redwoods near Monte Rio Comment
  CAS-BOT-BC36012  Lithocarpus densiflorus var. densiflorus Mary P. Wells 1985-7-10 547 Sonoma King's Ridge Road Comment
  CAS-BOT-BC430800  Lithophragma affine Alice Eastwood 1921-4-24 10374 Sonoma Santa Rosa Comment
  CAS-BOT-BC505199  Lithophragma affine Ann Howald 2015-4-1 3315 Sonoma North Coast Ranges: Stewarts Point--Skaggs Springs Rd, 14.7 mi W of jct with Rockpile Rd, Wolf Creek drainage 520 Comment
  CAS-BOT-BC430798  Lithophragma affine Alice Eastwood 1918-5-1 6870 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC435675  Lithophragma heterophyllum Alice Eastwood 1918-5-1 6814 Sonoma Mt. St. Helena Comment
  RSA177918  Lithophragma heterophyllum R. F. Thorne 1965-4-20 34365 Sonoma 3 miles up Cavedale Rd. Ca 5 miles N of Sonoma. Comment
  SEINET12216914  Lithophragma heterophyllum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -204 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 440 Comment
  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
  CAS-BOT-BC283291  Lolium multiflorum Peter Rubtzoff 1951-6-17 276 Sonoma Pitkin Marsh, near Forestville. N half of Lower Marsh Comment
  UC573668  Lolium multiflorum H. S. Yates 1937-5-30 6552 Sonoma 1 1/2 mi e Occidental; Sebastopol Quad. Comment
  UCD66013  Lolium multiflorum Gerry North 1993-4 17 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead. Less than 0.2 miles east of park entrance gate. 243 Comment
  UCD66227  Lolium multiflorum A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3553 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC283285  Lolium multiflorum John H. Thomas 1976-6-16 18344 Sonoma S part of Sea Ranch, NW part of county, about 7 miles S of Gualala 30 Comment
  CAS-BOT-BC283292  Lolium multiflorum David L. Morgan 1960-7-10 s.n. Sonoma 1 mile S of Carmet, State Highway 1, Bodega Coast Comment
  UC1011012  Lolium perenne Virginia Bufford 1936-5-19 266 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  UCD84596  Lolium perenne Frederica Bowcutt 1996-5-24 2162 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Approx. 1.2 air miles S of Red Mountain. Adobe Canyon just NW of Sonoma/Rattlesnake Creek confluence. 365 Comment
  SEINET7040128  Lomatium dasycarpum A. G. Vestal 1962-3-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  SEINET7042396  Lomatium dasycarpum A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  CAS-BOT-BC217811  Lomatium repostum Alice Eastwood 1915-6-6 4659 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC217812  Lomatium repostum Alice Eastwood; John Thomas Howell 1940-5-5 7862 Sonoma Rincon Ridge near Santa Rosa Comment
  UCD73920  Lomatium repostum G. Ledyard Stebbins 1966-5-1 6390 Sonoma Rincon Ridge, Chanate Road, 1/4 mile west of Montecito. Comment
  CAS-BOT-BC361356  Lomatium repostum Greg de Nevers 1997-4-16 10942 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  CAS-BOT-BC540801  Lonicera Peter Rubtzoff 1962-4-11 4787 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UC75667  Lonicera involucrata var. ledebourii Miss Emma Lobenstein 1906-1 Sonoma Valley Ford Comment
  CAS-BOT-BC200970  Lotus Peter Rubtzoff 1983-8-28 9682 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  UCR2752548  Lotus Peter Rubtzoff 1971-5-8 6452 Sonoma Intermittent Lake off west side of Highway 1, 0.7 miles SE of Salmon Creek crossing 18 Comment
  CAS-BOT-BC540820  Lotus Peter Rubtzoff 1971-6-26 6575 Sonoma Willow Creek Marsh. Comment
  UCR142041  Lotus angustissimus Beecher Crampton 1955-6-17 2967 Sonoma North Coast, Fort Ross; bank of roadcut, State Highway 1 61 Comment
  UC75639  Lotus formosissimus Miss Emma Lobenstein 1906-1-1 Sonoma Valley Ford Comment
  UCR44916  Lotus humistratus L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  UC1299177  Lotus humistratus Freed W. Hoffman 1947-7-30 1415 Sonoma near Guerneville (Great Eastern Qucksilver Mines); North Coast Ranges Comment
  UC1129078  Lotus micranthus H. S. Yates 1934-4-22 3846 Sonoma 2 mi s Mark West; Calistoga Quad. 152 Comment
  SEINET3729647  Lotus purshianus A. A. Heller 1941-8-8 16278 Sonoma West of Petrified Forest Comment
  UC907562  Lotus tenuis Freed Hoffman 1948-8-12 Sonoma headwaters of Warm Springs Creek Warm Springs Creek 533 Comment
  CDA4158  Lotus tenuis A. C. Browne 1953-5-27 Sonoma Black Point Cut-off. 0 Comment
  RSA31648  Lotus unifoliolatus A. A. Heller 1941-8-8 16278 Sonoma West of the Petrified Forest. Comment
  RSA18653  Lotus wrangelianus A. A. Heller 1903-4-25 6599 Sonoma Fort Ross Comment
  SEINET6932589  Lotus wrangelianus W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 5 miles north of Fort Ross. Comment
  UCD66026  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 51 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UCD66028  Ludwigia hexapetala B. J. Grewell 2006-8-25 06- 53 -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
  UCD66046  Ludwigia hexapetala Robert McKee; Greg Woods 2006-7-31 06- 55 -LU Sonoma Russian River upstream of Wohler Bridge @ Sonoma County Water Agency collectors. 10 Comment
  CAS-BOT-BC251206  Ludwigia palustris Peter Rubtzoff 1955-7-31 2008 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC376292  Ludwigia palustris Greg de Nevers 1992-6-26 10206 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In oxbow of Franz Creek 91 Comment
  UC728662  Ludwigia palustris Milo S. Baker 1945-7-18 11110 Sonoma upper meadow of Pitkin Marsh Comment
  RSA800589  Ludwigia palustris Peter Rubtzoff 1966-6-26 5763 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC198251  Lupinus Mrs. H. C. Cantelow 1936-4-5 1183 Sonoma Fort Ross Grade Comment
  SEINET7042675 Image available Lupinus A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UCD151110  Lupinus adsurgens James A. Neilson Jr. 1974-6-1 2763 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 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
  SEINET10488426  Lupinus albifrons Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-8 Conrad 7077 Sonoma Roadside along hwy 1, 3.4 miles n of jenner 91 Comment
  UCD167634  Lupinus albifrons James A. Neilson Jr. 1977-3-7 3846 Sonoma Mayacmas Mountains. Near soulth base Mt. St. Helena. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC195983  Lupinus albifrons var. albifrons Alice Eastwood; John Thomas Howell 1938-5-15 5514 Sonoma Near Mark West Springs Comment
  JEPS64942  Lupinus arboreus W. L. Jepson 1931-7-19 15952 Sonoma near Markham; Russian River Comment
  UC127548  Lupinus arboreus Setchell 1900-4-3 3 Sonoma Comment
  UCD106617  Lupinus arboreus Eric Davidson 1971-6-29 335 Sonoma next to ocean's edge; Salt Point State Park, north of Fort Ross. Comment
  UCD167409  Lupinus bicolor James Neilson 1977-3-25 3852 Sonoma Mayacmas Mountains, about 3 miles south Pine Flat on Pine Flat Rd. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SD39044  Lupinus chamissonis Edith A. Purer 1932-7-21 4038 Sonoma Bodega Bay Comment
  UC1076235  Lupinus formosus H. L. Mason June 1930 5655 Sonoma mouth of Gualala River Comment
  RSA372144  Lupinus formosus var. formosus David B. Dunn, M. L. Conrad, LeDoux 1973-6-9 20712 Sonoma 5.3 miles east of the junction of Highway 101 and Highway 116 on 116. Comment
  UCR265092  Lupinus latifolius Ann Howald 2015-4-1 3335 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 17.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 260 Comment
  UCSB21293  Lupinus latifolius McCarthy, Sharon 1965-4-12 Sonoma 1.4 miles on Stage Gulch Road, southwest of junction with Watmaugh Road, off State Highway 12, south of Sonoma Comment
  UC865303  Lupinus littoralis W. Bridge Cooke 1942-7-5 16355 Sonoma along State Route 1 near Jenner; near Jenner Comment
  SEINET6655062  Lupinus micranthus John A. Churchill 1974-4-28 7442830 Sonoma Mark West Springs; along road 2 miles above villa on west slope of Rincon Ridge.; 0 Comment
  CAS-BOT-BC8457  Lupinus microcarpus var. microcarpus Marcus Eugene Jones 1882-7-17 3329 Sonoma Duncan's Mills Comment
  UCD108976  Lupinus nanus Mary M. Hektner 1976-5-10 250 Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  HSC49398  Lupinus nanus subsp. latifolius R. York 1979-4-8 205 Sonoma Along Hwy. 128, 1 mi. N of Calistoga 366 Comment
  UCR248939  Lupinus nanus subsp. nanus Peter Rubtzoff 1974-5-18 7411 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  CAS-BOT-BC311853  Lupinus polycarpus Peter Rubtzoff 1974-5-11 7394 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  JEPS83726  Lupinus tidestromii R. Raiche 1988-4-10 80068 Sonoma Goat Rock State Park mouth of the Russian River (dune area nr parking lot at mouth of the Russian River); , Goat Rock State Park 4 Comment
  UCSB17482  Lupinus variicolor Dearing, Hugh; Dearing, Margaret 1939-5-14 Sonoma From coast on Russian River Comment
  CAS-BOT-BC210019  Luzula Peter Rubtzoff; Nancy Harrison 1978-6-11 9205 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley Comment
  CAS-BOT-BC210067  Luzula Peter Rubtzoff 1963-5-26 5135 Sonoma Bennett Mountain Lake Comment
  UC1133753  Luzula comosa H. S. Yates 1936-5-16 5591 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  CAS-BOT-BC441394  Luzula subsessilis Mrs. H. C. Cantelow 1939-4-10 s.n. Sonoma About 1.6 miles S of Russian River Bridge Comment
  RSA0018586  Lythrum Peter Rubtzoff 1970-10-24 6416 Sonoma At Presidio Blvd. and Barnard Avenue, Presidio. Comment
  RSA0015998  Lythrum hyssopifolia J. T. Howell 1930-6-8 5233 Sonoma 4 miles east of Valley Ford. Comment
  UCD166068  Madia Peter Rubtzoff; H. A. Froebe 1971-5-30 6457 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC344045  Madia elegans James I. McMurphy 1909-8-10 716 Sonoma West Santa Rosa Comment
  CDA31042  Madia elegans D. G. Kelch, Troy McGregor 2010-8-22 10 .355 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  CAS-BOT-BC344034  Madia elegans James I. McMurphy 1909-5-29 s.n. Sonoma Mountains near The Geysers Comment
  JEPS27973  Madia exigua Rimo Bacigalupi and L. Heckard 1961-6-9 7736 Sonoma 1.75 mi sw Occidental (at junction of Joy Road and Bittner Road) 249 Comment
  JEPS82109  Madia exigua Rimo Bacigalupi and L. Heckard 1961-6-9 7736 Sonoma 1.75 mi sw Occidental (at junction of Joy Road and Bittner Road) 249 Comment
  CAS-BOT-BC343457  Madia gracilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53968 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCD160858  Madia gracilis James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3303 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
  LA209925  Madia sativa O. H. Kappler; 1930-6-8 5264 Sonoma 1 mi. east of Bodega Bay Comment
  POM215200  Madia sativa D. D. Keck 1933-11-6 2647 Sonoma 1 mile north of Freestone on road to Occidental Comment
  UCR280152  Madia sativa Peter Rubtzoff 1974-5-18 7415 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  CAS-BOT-BC345217  Madia sativa H. M. Hall 1916-7-23 10244 Sonoma Near Petaluma Comment
  CAS-BOT-BC345263  Madia sativa Milo S. Baker 1932-8-27 6010 Sonoma M. S. Baker ranch, Adobe Canyon Comment
  UC990650  Madia sativa James I. McMurphy 1909-8-8 703 Sonoma electric RR station between Santa Rosa and Sebastopol; Leddy Comment
  UCSB708  Maianthemum racemosum Keator, Glenn 1959-4-1 Sonoma 1 mile southeast of northern city limits of Camp Meeker Comment
  CAS-BOT-BC511539  Maianthemum racemosum subsp. amplexicaule Ynez Whilton Winblad 1941-6-25 s.n. Sonoma Between Garberville and Pepperwood Comment
  CAS-BOT-BC511488  Maianthemum stellatum F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  CAS-BOT-BC511494  Maianthemum stellatum Mary P. Wells 1985-4-11 468 Sonoma Near house at 230 Pilot's Ranch, The Sea Ranch Comment
  UCD139054  Maianthemum stellatum Mary M. Hektner 1976-5-13 259 Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. 1325 Comment
  JEPS87222  Malacothrix floccifera Jack and Betty Guggolz 1992-5-17 1304 Sonoma e of Geyserville (Anderson Trail on the w side of Black Mountain); Black Mountain 609 Comment
  HSC15988  Malva nicaeensis S. N. Wiemeyer 1962-4-20 24 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UCD163796  Marah Peter Rubtzoff 1980-5-26 9448 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  CDA34793  Matricaria discoidea Peter Warner 2010-3-29 120 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  UCD161374  Melica James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, (Elevation and exact location estimated by label maker.) 731 Comment
  UCD87218  Melica californica R. Tofsrud 1947-7-1 174 Sonoma Santa Rosa, old cemetery. Comment
  SEINET10926810  Melica californica A. Arthur Heller 1902-4-4 Heller 5315 Sonoma Hills near Santa Rosa. Comment
  CAS-BOT-BC281278  Melica geyeri G. DeNevers 1981-5-9 1108 Sonoma Pepperwood Ranch. S of Redwood Canyon Comment
  RSA123519  Melica geyeri H. S. Yates 1937-5-30 6545 Sonoma 3 miles WNW of Graton. 61 Comment
  UCD87314  Melica geyeri Virginia Bufford 1937-5-10 454 Sonoma Larkspur Rock, Bodega Canyon. Comment
  UCD87349  Melica geyeri R. Tofsrud 1941-4-1 281 Sonoma Parker Hill, Santa Rosa. Comment
  UCD87360  Melica geyeri M. Wiesendanger 1927-5-5 732 Sonoma Kenwood Springs. Comment
  SBBG29007  Melica geyeri B. Crampton 1967-5-15 Sonoma Sonoma-Napa County line; 4 mi NW of Calistoga, St Hwy 128 Comment
  CAS-BOT-BC281391  Melica harfordii H. S. Yates 1936-5-16 5612 Sonoma 1 mile NW of Mountain View Comment
  CAS-BOT-BC281392  Melica harfordii H. S. Yates 1936-5-16 5615 Sonoma 2 miles NW of Mountain View School Comment
  UCD87388  Melica harfordii B. Crampton 1955-6-17 2927 Sonoma 1.6 miles west of Forestville. Comment
  UC766884  Melica subulata R. F. Hoover 1941-5-14 5095 Sonoma sw of Occidental (Joy District School) Comment
  CAS-BOT-BC262558  Melica torreyana Peter Rubtzoff 1952-6-3 1161 Sonoma South slopes of Fitch Mtn., near Healdsburg 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
  UCD88809  Melica torreyana E. Armstrong 1934-3-26 912 Sonoma 3 mile N.W. of Camp Meeker. 121 Comment
  UCD88825  Melica torreyana Virginia Bufford 1936-5-1 184 Sonoma Near Monte Rio. Comment
  UCD89213  Melica torreyana M. Wiesendanger 1927-5-5 734 Sonoma Kenwood Springs. Comment
  UCD88824  Melica torreyana Virginia Bufford; M. S. Baker 1936-4-1 236 Sonoma Above Kenwood Springs. Comment
  UCD89203  Melica torreyana R. Tofsrud 1942-4-1 s.n. Sonoma Road to 'Top O'World. Comment
  UC1084474  Melilotus albus G. Thomas Robbins 1937-6-18 243 Sonoma Santa Rosa Creek Santa Rosa (bed) Comment
  CAS-BOT-BC268075  Melilotus indicus Peter Rubtzoff 1968-8-31 5941 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164351  Melissa Peter Rubtzoff 1973-9-9 7317 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC164352  Mentha Peter Rubtzoff 1973-8-29 7281 Sonoma Sonoma Creek near Aqua Caliente Road crossing west of Aqua Caliente. Comment
  UC582717  Mentha pulegium Joseph P. Tracy 1935-8-18 14746 Sonoma Knights Valley; Northern Coast Ranges, Knights Valley 152 Comment
  RSA83444  Mentha pulegium F. W. Peirson 1925-8-8 6345 Sonoma 5 miles south of Santa Rosa Comment
  RSA785148  Mentha rotundifolia Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh. Comment
  RSA784551  Mentha spicata Peter Rubtzoff 1968-8-24 5932 Sonoma Upper Salmon Creek Marsh. Comment
  UCR255872  Mentha spicata Greg de Nevers 1992-6-26 10184 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 91 Comment
  CAS-BOT-BC166968  Mentha spicata Peter Rubtzoff 1973-9-9 7315 Sonoma Kenwood Marsh. Comment
  RSA784545  Mentha spicata Peter Rubtzoff 1970-8-18 6322 Sonoma 5 mi N of Sears Point. Comment
  JEPS87221  Mentzelia dispersa Jack and Betty Guggolz 1992-6-13 1314 Sonoma e Geyserville; Black Mountain, Anderson Trail; on the west side of Black Mountain NW 1/4 of NW1/4 615 Comment
  CDA31024  Mentzelia laevicaulis D. G. Kelch, Troy McGregor 2010-8-22 10 .361 Sonoma Geyser Peak Rd along Sulfur Creek nr historic bridge. Comment
  CAS-BOT-BC428955  Micranthes californica H. L. Mason 1931-3-7 5807 Sonoma Vine Hill School, 12 miles west of Santa Rosa Comment
  CAS-BOT-BC322609  Micropus amphibolus Herbert L. Mason 1934-4-28 8081 Sonoma Jensen's Ranch, head of Dohrman Creek four miles west of Healdsburg Comment
  SD71410  Micropus amphibolus John Thomas Howell 1965-3-25 41033 Sonoma 3.0 miles southeast of Sonoma. 74 Comment
  CAS-BOT-BC348630  Micropus californicus var. californicus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54003 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC348732  Microseris bigelovii Alice Eastwood 1915-6-29 4870 Sonoma Bodega Point Comment
  JEPS117104  Microseris bigelovii Peter Warner 2010-6-14 164 Sonoma Jenner Headlands, upper Jenner Pasture, ~ 60 m E of road (Willig Extension Dr.), 245 m E 147 deg. S of residence house, in coastal grassland near small group of boulders. 207 Comment
  CAS-BOT-BC348855  Microseris douglasii subsp. douglasii John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53980 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC320504  Mimulus Peter Rubtzoff 1955-8-20 2081 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC311874  Mimulus Peter Rubtzoff 1959-6-20 4170 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC312698  Mimulus Peter Rubtzoff 1964-7-29 5442 Sonoma Brooks Gulch Marsh. Comment
  UCD122641  Mimulus arvensis Botany 102 Students 1993-5-8 276 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. Comment
  SEINET12335273  Mimulus aurantiacus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -241 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UC885691  Mimulus aurantiacus var. aurantiacus Lewis S. Rose 1941-5-22 41249 Sonoma 4 mi e Santa Rosa; Rincon Ridge 121 Comment
  OBI9498  Mimulus aurantiacus var. aurantiacus H. E. McMinn 1944-5-11 5454 Sonoma Along road to Oakville from Kenwood Comment
  UCD39137  Mimulus cardinalis Beecher Crampton 1964-8-18 7144 Sonoma N.E. 'The Geysers', Big Sulphur Creek. Comment
  RSA698955  Mimulus guttatus J. R. Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  UCR248877  Mimulus guttatus Peter Rubtzoff 1963-6-18 5173 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  UC1042504  Mimulus microphyllus Peter Rubtzoff 1951-6-2 104 Sonoma near Forestville (w branch of marsh); Pitkin Marsh Comment
  UC1348905  Mimulus microphyllus Robert F. Thorne 1965-4-19 34286 Sonoma 2 mi ne Occidental (near county dump on Stoetz Road, off of Harrison Grade) 182 Comment
  UC26993  Mimulus nasutus F. T. Bioletti 1892-1 Sonoma Comment
  CDA11327  Minuartia californica G. F. Hrusa 1995-4-2 12037 Sonoma North Coast Biodiversity Arena; Franz Valley School Rd. approx. 1 mile NW of Napa/Sonoma county line. Comment
  SBBG53026  Minuartia douglasii M. R. Benedict 1978-4-18 Sonoma Warm Springs Dam site, Dry Crk Valley Comment
  UCD158806  Minuartia douglasii James A. Neilson Jr. 1974-3-27 2957 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC388895  Minuartia douglasii G. DeNevers 1981-5-9 1070 Sonoma Pepperwood Ranch. E of the gate to the Redwoods Comment
  UC1040764  Minuartia douglasii C. F. Sonne 1887-4-22 1387 Sonoma White Sulphur Springs Comment
  UC932079  Minuartia douglasii Verne Grant and Alva Grant April 1946 7671 Sonoma on Hwy 12 n intersection of highways 48 and 37 Comment
  JEPS128238  Moehringia macrophylla Roger Raiche 2000-5-5 084 .00 Sonoma The Cedars. Danfield Creek, Leona's Cabin Site. Gualala River, Wheatfield Fork watershed. Comment
  NY429328  Monardella coriacea A. A. Heller 1902-7-8 5812 Sonoma Sandy bank of Russian River at Healdsburg Comment
  UCD151083  Monardella sheltonii James A. Neilson Jr. 1974-6-1 2770 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 1/2 mi. west of Whispering Pines, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 1127 Comment
  UC1561918  Monardella villosa subsp. franciscana Barbara Ertter 1989-6-19 8592 Sonoma Dry knoll S of junction Highway 1 and road to Goat Rock Beach S Russian River Comment
  CAS-BOT-BC314185  Monardella villosa subsp. villosa W. R. Dudley 1893-9-9 s.n. Sonoma Near mouth of Russian River. Comment
  CAS-BOT-BC220699  Monardella viridis Milo S. Baker 1934-6-20 7654 Sonoma Youngman Ranch 2 1/2 mi N.E. of Glen Ellen Comment
  JEPS83653  Monardella viridis subsp. viridis R. Raiche 1987-7-5 70380 Sonoma N of Cazadero, The Cedars, Big Austin Creek drainage, between Gravelly Springs and Red Slide Creek. 304 Comment
  CAS-BOT-BC166777  Montia Peter Rubtzoff 1967-5-21 5841 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  UCD110297  Morella californica P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC259172  Myosurus Peter Rubtzoff 1958-4-26 3595 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UC5274  Myrica californica J. Burtt Davy 1896-3-14 1670 Sonoma Fort Ross Comment
  CAS-BOT-BC376244  Myriophyllum sibiricum Greg de Nevers 1992-7-3 10212 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Yellow Jacket Ranch Lake 304 Comment
  CAS-BOT-BC376255  Najas guadalupensis Greg de Nevers 1992-7-21 10222 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Yellowjacket Lake 304 Comment
  CAS-BOT-BC456196  Najas guadalupensis Greg de Nevers 1991-8-8 9768 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In largest Double Pond. 475 Comment
  CAS-BOT-BC456192  Najas guadalupensis Peter Rubtzoff 1973-8-27 s.n. Sonoma Upper Green Valley Marsh area. Comment
  UC768841  Nassella lepida Robert F. Hoover 1941-6-7 5313 Sonoma two mi se Monte Rio (on road to Camp Meeker) Comment
  UCD161373  Nassella lepida James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, (Elevation and exact location estimated by label maker.) 731 Comment
  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-BC260285  Nassella pulchra Milo S. Baker 1945-4-1 10892 Sonoma Above house at Maplewood ca 2 miles N of Kenwood Comment
  CAS-BOT-BC60527  Nasturtium officinale John H. Thomas 1976-6-18 18363 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville. 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
  SEINET12010247  Nasturtium officinale F. H. Utech 1988-5-21 88 -230 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1 100 Comment
  CAS-BOT-BC230267  Navarretia cotulifolia A. A. Heller 1902-6-4 5638 Sonoma San Miguel Island. Head east fork of Canyon Del Mar 0.3 miles west of the old ranch house. 152 Comment
  JEPS70315  Navarretia heterodoxa W. L. Jepson 1895-8-30 20959 Sonoma near Napa Valley; Petrified Forest Comment
  UC1719856  Navarretia intertexta David Fruchter 1978-9-17 93 Sonoma Glen Ellen Comment
  UCD48473  Navarretia intertexta Herbert L. Mason 1940-5-21 12295 Sonoma Head of Maacama Creek, Knights Valley, Sonoma County. Comment
  JEPS43458  Navarretia leucocephala subsp. bakeri W. L. Jepson 1921-6-2 9302 Sonoma nw of Windsor (and just e of Calhoun ranch) Comment
  CAS-BOT-BC230377  Navarretia leucocephala subsp. bakeri Niall McCarten 1992-5-6 1276 Sonoma 1.75 miles SSE of WIndsor 33 Comment
  CAS-BOT-BC232685  Navarretia pubescens Milo S. Baker 1927-5-17 2157 a Sonoma Bennett Valley Road, 0.5 mile W of Sonoma Creek Bridge Comment
  UCD158735  Navarretia sinistra subsp. pinnatisecta James A. Neilson Jr. 1974-7-25 2864 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. 792 Comment
  UCD48682  Navarretia squarrosa Frederica Bowcutt 1984-6-23 425 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along Sonoma County Coast. W of Hwy 1. N of Gerstle Cove growing along roads. On Plantation 7.5' Quad. Coastal terrace. 30 Comment
  UC972156  Navarretia viscidula Helen K. Sharsmith 1952-7-6 4178 Sonoma 12.2 mi w Skaggs Springs (Stewart's Point road) 579 Comment
  UC494180  Nemophila heterophylla H. E. and S. T. Parks 1930-5-9 611 Sonoma Knights Valley Comment
  CHSC23124  Nemophila menziesii Robert A. Schlising 1962-3-31 2110 Sonoma In pastured field. Comment
  UC972194  Nemophila menziesii Milo S. Baker 1952-3-20 12392 Sonoma Western outskirts of Sonoma 5th St. near Bettencourt; western outskirts of Sonoma Comment
  UCSB13213  Nemophila menziesii var. atomaria Dearing, Hugh; Dearing, Margaret 1939-5-14 Sonoma Bodega State Park Comment
  CAS-BOT-BC230567  Nemophila parviflora var. parviflora A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross Comment
  CAS-BOT-BC164404  Nicotiana Peter Rubtzoff 1965-8-29 5631 Sonoma Russian River bottom at Forest Hills, 5.5 miles East of Guerneville Comment
  CAS-BOT-BC164348  Nicotiana acuminata Peter Rubtzoff 1961-6-7 4618 Sonoma Laguna de Santa Rosa, about 1 mile SE of Trenton Comment
  UCD110181  Notholithocarpus densiflorus Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-7-4 118 Sonoma Between Units 28 and 34-A Owners' Map, Sea Ranch, near State Highway 1. 45 Comment
  UCD110217  Notholithocarpus densiflorus M. Wiesendanger 1927-5-5 729 Sonoma Kenwood Springs. Comment
  CHSC114375  Onopordum illyricum Andrew Smith 2011-12-21 PDR 1604230 Sonoma Santa Rosa; Pepperwood Preserve; 3450 Franz Valley Rdl, near Mark West Springs Rd. Comment
  CAS-BOT-BC499695  Orobanche californica subsp. californica Cecilia Zanelli 1925-9-1 s.n. Sonoma Plantation Comment
  JEPS11691  Orobanche vallicola Bernard Lile 1933-10-1 Sonoma Russian R. bank near Cloverdale Comment
  POM117418  Osmorhiza berteroi Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UC1295818  Osmorhiza berteroi unknown 1892-2 Sonoma Petrified Forest Comment
  UC875255  Osmorhiza berteroi Lewis S. Rose 1940-5-6 40263 Sonoma Sonoma Creek Canyon 213 Comment
  UCD127765  Osmorhiza berteroi J. Adams; J. Weick 1993-5-8 296 Sonoma about 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. 365 Comment
  HSC34881  Oxalis corniculata Thomas W. Nelson, James Nelson 1975-3-25 1752 Sonoma Beside Hwy. 128 E of Geyserville. Comment
  UCD110782  Oxalis corniculata Collector unknown Date unknown s.n. Sonoma Sonoma County. Comment
  UCR3592  Oxalis oregana Carolyn McNeill 1969-5-25 s.n. Sonoma Sebastopol, 0.75 mi. east of Coffee Lane 107 Comment
  SEINET12183626  Oxalis oregana F. H. Utech 1988-1 88 -010 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  UCD110970  Oxalis oregana Donna Allen 1977-5-29 s.n. Sonoma dry creek roadside 5 miles from coast. Comment
  HSC16713  Oxalis pes-caprae S. N. Wiemeyer 1962-4-13 9 Sonoma 2.1 mi. N of Jct. of Calistoga Rd. and Hwy. 12 274 Comment
  CAS-BOT-BC316881  Packera eurycephala var. eurycephala Brandegee s.n. Sonoma unspecified Comment
  CAS-BOT-BC316882  Packera eurycephala var. eurycephala Brandegee s.n. Sonoma unspecified Comment
  CAS-BOT-BC316926  Packera greenei Helen Katherine Sharsmith 1952-6-18 4127 Sonoma Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains. 975 Comment
  UCD160871  Packera greenei James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3422 Sonoma Mayacmas Mountains, adjacent to 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-BC227649  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC254465  Panicum Peter Rubtzoff 1986-9-28 9749 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville Comment
  UC1102744  Panicum acuminatum var. acuminatum A. R. Kruckeberg 1949-6-4 S- 21 Sonoma Sulphur Creek , Sulphur Creek (Big Geysers) Comment
  UCD88410  Panicum acuminatum var. fasciculatum Beecher Crampton 1957-7-22 4398 Sonoma State Highway 1, 1/4 mile north of Fort Ross. Comment
  UCD32828  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 f 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.), steep banks along road to steam well. 493 Comment
  CAS-BOT-BC253655  Panicum capillare John Thomas Howell 1957-9-26 32977 Sonoma Russian River bottom near Guerneville Comment
  CAS-BOT-BC253861  Panicum miliaceum P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar ranch Comment
  SEINET6794036 Image available Parentucellia viscosa Sally Walker 1983-1 Sonoma Joy Rd. - near Bodega Hwy Comment
  CAS-BOT-BC259693  Paspalum dilatatum John Thomas Howell; Walter & Irja Knight 1981-6-4 6244 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC265698  Paspalum distichum G. DeNevers 1981-6-20 1618 Sonoma Along Mark West Creek, Pepperwood Ranch 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
  RSA401967B  Pedicularis densiflora Cora Mae Life 1924-3-22 s.n. Sonoma Camp Weeker. Comment
  SEINET12330325  Pedicularis densiflora W. Knight, Knight, I. 1986-1 5318 Sonoma Access from Healdsburg-Geyser Road 853 Comment
  CAS-BOT-BC69302  Pellaea andromedifolia D. E. Breedlove 1980-6-28 44816 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC69304  Pellaea andromedifolia Peter Rubtzoff 1952-6-3 1145 A Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  UC1063609  Pellaea andromedifolia E. Armstrong 1934-3-26 900 Sonoma 2 mi nw Camp Meeker; Sebastopol Quadrangle Comment
  UC62502  Pellaea andromedifolia J. Burtt Davy 1894-12-9 863 Sonoma Kenwood Comment
  UC672463  Penstemon heterophyllus H. L. Mason 1934-4-28 8071 Sonoma Jensen's Ranch head of Dohrman Creek, Jensen's Ranch Comment
  CAS-BOT-BC327999  Pentachaeta alsinoides Alice Eastwood; John Thomas Howell 1938-5-15 5507 Sonoma Near Mark West Springs Comment
  SEINET12327816  Pentagramma triangularis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -095 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 244 Comment
  CDA13123  Perideridia howellii G. F. Hrusa, R. Gross 1996-6-3 13058 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. Approx. 2 m. SW of Calistoga. Comment
  UC1389975  Perideridia kelloggii T. I. Chuang 1963-5-8 5756 Sonoma 6 mi nw Cloverdale Comment
  UC479151  Perideridia kelloggii Marcus E. Jones, A. M. 1931-7-5 29049 Sonoma The Geysers Comment
  OBI81671  Perideridia kelloggii Tracey Call, Viola Call 1963-7-12 2240 Sonoma 4 mi NW of Cloverdale Comment
  CAS-BOT-BC413650  Persicaria amphibia Peter Rubtzoff 1956-9-15 2912 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC413662  Persicaria amphibia Peter Rubtzoff 1963-7-14 5198 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC413661  Persicaria amphibia Peter Rubtzoff 1966-10-9 5834 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Rd. Comment
  CAS-BOT-BC419109  Persicaria lapathifolia Peter Rubtzoff 1962-10-23 5127 Sonoma Atascadero 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
  UCD98399  Petrorhagia nanteuilii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 67 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road. 259 Comment
  UC923117  Phacelia Freed W. Hoffman 1950-5-24 3323 Sonoma trail from Gray Creek to The Island; North Coast Ranges Comment
  RSA184835  Phacelia distans L. S. Rose 1965-4-4 65021 Sonoma One mile north of Sonoma. 61 Comment
  SD72106  Phacelia distans H. S. Yates 1934-4-21 Sonoma Near Bodega Comment
  UC24347  Phacelia distans E. L. Greene 1892-4-20 Sonoma Knight's Valley Comment
  UC702959  Phacelia distans John Thomas Howell 1930-6-8 5274 Sonoma sand hills at n end Bodega Bay (type locality region) Comment
  UCR168244  Phacelia distans Alice Eastwood 1933-5-7 18841 Sonoma Sonoma 198 Comment
  RSA121027  Phacelia distans J. T. Howell 1955-8-6 30894 Sonoma Near Bodega Head. Comment
  JEPS83482  Phacelia egena R. D. Stone 1985-5-29 671 Sonoma ca 1.1 mi sw Cobb Mt. summit; upper Cobb Creek drainage 1066 Comment
  SBBG39553  Phacelia imbricata J. T. Howell 1929-6-9 4305 Sonoma 6.5 miiles from Santa Rosa on rd to Petrified Forest Comment
  UCD120562  Phacelia malvifolia Frederica Bowcutt 1984-6-23 423 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along the Sonoma County coast. N of Gerstle Cove ca. 1/8 mile. W of Hwy 1. Salt Point State Park. 15 Comment
  RSA428278B  Phacelia suaveolens subsp. suaveolens Peter H. Raven 1965-5-16 20219 Sonoma Near Frantz District School. Comment
  CAS-BOT-BC332702  Phalaris Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7839 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC422359  Phalaris Peter Rubtzoff 1975-7-3 8149 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC265844  Phalaris arundinacea Peter Rubtzoff 1958-5-17 3659 Sonoma Laguna de Santa Rosa north of Sebastapol, near Occidental Road Comment
  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
  UCR255672  Phalaris paradoxa Greg de Nevers 1998-6-28 11295 Sonoma Laufenberg Ranch, Spencer Lane, Knights Valley 143 Comment
  CAS-BOT-BC260876  Phleum pratense Peter Rubtzoff 1951-7-8 402 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC222474  Pholistoma Saichi Kawahara 1968-4-20 316 Sonoma 3 miles northeast of Lakeville Road 76 Comment
  SEINET10323396  Phoradendron bolleanum M. J. Williams, W. Roderick 1978-7-18 78- 228 -3 Sonoma Near Occidental. Comment
  CAS-BOT-BC171218  Phoradendron serotinum subsp. tomentosum G. De Nevers 1981-9-5 1805 Sonoma Pepperwood Ranch. Near Hansel's Well Comment
  HSC100873  Photinia fraseri Peter Warner 2011-4-6 187 Sonoma Santa Rosa, Howarth Park, along foot-trails S of Lake Ralphine, N of Medica Ct. and Slate Dr. 112 Comment
  POM267616  Phyla nodiflora Lyman D. Benson 1928-6-25 350 Sonoma Street, Santa Rosa. North Coast mtn range, Sonoma Valley. 61 Comment
  UC1977004  Phyllospadix scouleri H. W. Johansen 1963-5-26 1153 Sonoma Bodega Head. S. Shsore, Horseshoe C. Comment
  UCR255658  Physalis Greg de Nevers 1997-11-1 11105 Sonoma Santa Rosa, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 400 Comment
  CAS-BOT-BC140618  Physocarpus capitatus G. DeNevers 1981-5-2 910 Sonoma Mark West Creek and Leslie Creek, Pepperwood Ranch Comment
  POM139826  Physocarpus capitatus A. A. Heller 1902-6-4 5647 Sonoma Santa Rosa. Comment
  CAS-BOT-BC202279  Pickeringia montana var. montana James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  CAS-BOT-BC202280  Pickeringia montana var. montana Mary P. Wells 1983-8-3 s.n. Sonoma Pygmy Forest, Timber Preserve of Oceanic of California, inc., The Sea Ranch Comment
  POM20257  Pickeringia montana var. montana A. A. Heller 1902-6-23 5740 Sonoma Petrified Forest Comment
  CAS-BOT-BC176158  Picris echioides Peter Rubtzoff 1955-8-14 2050 Sonoma Forestville Marsh. Comment
  UCD134384  Pinus attenuata J. M. Tucker 1951-6-26 2142 Sonoma Near Top of the World Ranch, about 5 miles due east of Glen Ellen. Comment
Read comments
Nov 30 2017
  CAS-BOT-BC78784  Pinus lambertiana Mary P. Wells 1981-4-19 s.n. Sonoma between Unit 27A and P.G.+E right-of-way, The Sea Ranch Comment
  SEINET10794535 Image available Pinus ponderosa var. ponderosa Henry N. Bolander 1864-4-27 Bolander s.n. Sonoma Near the geysers. Comment
  UCD134988  Pinus radiata Mary M. Hektner 1975-8-14 222 Sonoma Next to Whalers' Reach, Unit 7 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC72731  Pinus sabiniana Walter Knight; Irja Knight 1963-9-1 263 Sonoma Asti Comment
  UCSC008262  Piperia elegans Ron Coleman 1989-6-24 1281 -P, 1282-P Sonoma Malm Flat Trail, Sugarloaf Ridge State Park Comment
  CAS-BOT-BC361422  Piperia elongata Greg de Nevers 1993-7-8 10472 Sonoma Field redacted by CAS, contact the data manager for more information 400 Comment
  CAS-BOT-BC176381  Plagiobothrys Peter Rubtzoff 1969-5-11 6040 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC176382  Plagiobothrys Peter Rubtzoff 1969-5-11 6030 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  UCR255871  Plagiobothrys Greg de Nevers 1992-5-24 10155 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 476 Comment
  CAS-BOT-BC157649  Plagiobothrys Peter Rubtzoff 1971-5-8 6430 Sonoma E foothills of Sonoma Mtns. On Sobre Vista Road, 0.9 mi. W of Arnold Drive. Comment
  CAS-BOT-BC173559  Plagiobothrys Peter Rubtzoff 1969-6-15 6096 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC488330  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-14 s.n. Sonoma 2.3 km SE of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1 22 Comment
  RSA620415  Plagiobothrys bracteatus Peter Rubtzoff 1963-6-6 5169 Sonoma Laguna de Santa Rosa, east of Graton Comment
  RSA620971  Plagiobothrys bracteatus Peter Rubtzoff 1959-4-18 4028 Sonoma Laguna de Santa Rosa northeast of Graton, about 0.5 miles north of Guerneville road crossing Comment
  RSA785158  Plagiobothrys bracteatus Peter Rubtzoff 1969-5-3 6012 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UCR280136  Plagiobothrys bracteatus Peter Rubtzoff 1971-5-8 6443 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive 137 Comment
  RSA0083875  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-30 6233 Sonoma 5 miles north of Sears Point. 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
  SD260917  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-30 6233 Sonoma 5 miles north of Sears Point. 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
  POM118682  Plagiobothrys nothofulvus Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UC78077  Plagiobothrys nothofulvus K. Brandegee May 1889 Sonoma Cloverdale Comment
  RSA788371  Plagiobothrys reticulatus Peter Rubtzoff, H. A. Froebe 1971-5-16 6455 Sonoma Duncans Mills Marsh. Comment
  RSA128349  Plagiobothrys stipitatus P. H. Raven 1950-4-6 1565 Sonoma Cotati to Santa Rosa. 30 Comment
  UCR141955  Plagiobothrys stipitatus var. micranthus Beecher Crampton 1966-5-10 7729 Sonoma Coast Range, 6.5 miles north of Sonoma on State Hwy 12, Calif. Dept. of Forestry Glen Ellen station 76 Comment
  UCR244618  Plagiobothrys undulatus Peter Rubtzoff 1971-7-23 6612 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 70 Comment
  CAS-BOT-BC290697  Plantago Peter Rubtzoff 1971-6-26 6574 Sonoma Willow Creek Marsh. 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
  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
  SD39913  Plantago lanceolata Edith A. Purer 1932-7-21 4050 Sonoma Bodega Bay Comment
  UC1057476  Platanthera leucostachys G. Thomas Robbins 1937-5-23 208 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Comment
  CAS-BOT-BC92117  Platystemon californicus Alice Eastwood 1915-6-29 4863 Sonoma Bodega Point. Comment
  SFV8385  Platystemon californicus K. D. Parman 1972-5-6 24 Sonoma Bodega Bay, University of California Marine Laboratory on State Highway 1. Meadow at head of peninsula. Comment
  POM149315  Platystemon californicus var. californicus A. A. Heller, H. E. Brown 1902-3-20 5105 Sonoma Near Windsor. Comment
  UC766307  Plectritis brachystemon R. F. Hoover 1941-5-14 5082 Sonoma 3 mi s of Monte Rio (on road to Camp Meeker) Comment
  RSA796394  Pleuropogon Peter Rubtzoff, John Thomas Howell 1966-4-30 5686 Sonoma North side of Highway 116, 0.5 mile northwest of Stony Point Road crossing. Comment
  UCD84099  Pleuropogon californicus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  RSA337037  Pleuropogon californicus var. californicus Edward Lee 1934-4-30 753 Sonoma 1 mile west of 2 Rock junction. Comment
  CAS-BOT-BC260987  Pleuropogon californicus var. californicus John Thomas Howell 1931-4-1 6037 Sonoma 9 miles sw. of Sonoma on road to San Rafael Comment
  UCD90167  Pleuropogon californicus var. californicus John Lenz 1947-4-18 s.n. Sonoma near road between Freestone and Bodega. Comment
  CAS-BOT-BC255603  Poa annua Peter Rubtzoff 1960-5-20 4399 Sonoma Laguna de Santa Rosa E of Graton, between Occidental and Guerneville roads Comment
  CAS-BOT-BC255609  Poa annua G. DeNevers 1981-3-14 544 Sonoma Pepperwood Ranch. Pippindale farm, 7 miles NE of Santa Rosa near Mark West lodge, along Leslie Road, opposite the grey willows Comment
  UCD90366  Poa annua Gerry North 1993-4 4 Sonoma Sugarloaf Ridge State Park. About 50 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 Goodspeed trailhead pullout. 213 Comment
  SEINET215169 Image available Poa bolanderi subsp. howellii J. M. Tucker 1971-5-29 4193 Sonoma Ca. 3 mi. by road SW of it jcn. w/ State hwy 29 near Middletown; Western Mine Rd. 762 Comment
  UC1132643  Poa howellii H. S. Yates 1936-5-16 5608 Sonoma 1 mi nw Mountain View School; Sebastopol Quadrangle Comment
  UC729987  Poa howellii Leo F. Koch 1940-4-22 829 Sonoma roadside near Little Sulfur Creek; Sulfur Spring Canyon Comment
  RSA94640  Poa pratensis Peter Rubtzoff 1951-6-7 128 Sonoma Western branch of the Upper marsh; Pitkin Marsh, near Forestville Comment
  UC1023576  Poa pratensis subsp. pratensis Virginia Bufford 1936-5-22 395 Sonoma ca 5 mi from Annapolis (road to Pt Arena) Comment
  UC573876  Poa pratensis subsp. pratensis H. S. Yates 1936-5-16 5602 Sonoma 2 mi se Forestville (Pithens Marsh); Sebastopol Quadrangle Comment
  CAS-BOT-BC243248  Poa secunda subsp. secunda John Thomas Howell; et al. 1982-4-28 54668 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC243252  Poa secunda subsp. secunda G. DeNevers 1981-4-25 803 Sonoma Pepperwood Ranch. Along Franz Valley Road below lower Pepperwood entrance Comment
  JEPS71284  Poa secunda subsp. secunda Virginia Bufford Jun 1932 572 Sonoma near Santa Rosa Comment
  CAS-BOT-BC243251  Poa secunda subsp. secunda Catherine Best 1985-4-27 s.n. Sonoma Monan's Rill, N of St. Helena Road and E of Calistoga Road Comment
  UCR266716  Poa unilateralis P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar 14 Comment
  CAS-BOT-BC368003  Poaceae Greg de Nevers 1989-6-8 9079 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UCD84289  Pogogyne douglasii Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  POM62751  Pogogyne douglasii subsp. parviflora A. A. Heller 1902-6-4 5642 Sonoma Santa Rosa. Comment
  UC25594  Pogogyne douglasii subsp. parviflora H. N. Bolander April 1864 3901 Sonoma Mark West Comment
  JEPS128176  Polygala californica Roger Raiche 2001-5-17 025 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UCD109703  Polygala californica Mary M. Hektner; Sue Dakuazku, Cathy Hendel 1974-7-3 107 Sonoma Unit 15 Owners' Map, Sea Ranch, near State Highway 1. Comment
  HSC27870  Polygala californica Delzie Demaree 1955-6-12 36976 Sonoma Westminster Woods. Comment
  RSA70709  Polygala californica L. S. Rose 1951-5-17 51004 Sonoma Hills east of Agua Caliente 152 Comment
  CAS-BOT-BC164400  Polygonum Peter Rubtzoff 1966-8-25 5810 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  CAS-BOT-BC210114  Polygonum Peter Rubtzoff 1955-5-7 1823 Sonoma Guerneville Marsh. Eastern extension of the Marsh along Pocket Canyon. Comment
  CAS-BOT-BC540806  Polygonum Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7847 Sonoma Kenwood Marsh. Comment
  RSA518874  Polygonum aviculare Barbara J. Ertter 1988-11-5 8026 Sonoma Lake Sonoma 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  CAS-BOT-BC109248  Polygonum paronychia Walter Knight; Irja Knight 1963-8-23 205 Sonoma Horseshoe Cove. Comment
  UC1606997  Polypodium calirhiza Margaret Rockwood and L. Esposito 1995-5-10 721 Sonoma ca. 3 km. nw of Bodega town; sw Sonoma Co. Comment
Read comments
Jan 4 2007
  CAS-BOT-BC76897  Polypodium calirhiza Milo S. Baker 1944-6-1 10886 Sonoma 1 1/2 mi N of Sonoma town in the hills along an established road. Comment
  UCD136866  Polypodium glycyrrhiza Herbert L. Mason 1925-11-26 2498 Sonoma Monte Rio. Comment
  UC1051680  Polypodium scouleri Peter Kamb 1950-6-17 1881 Sonoma 2.9 mi w of fork in road to Bodega and Valley Ford (Larkspur Rock); s side Cheney Gulch 30 Comment
  UCSB8310  Polypodium scouleri Kamb, Peter 1950-6-17 Sonoma Larkspur Rock: south side of Chenev Gulch 2.9 miles west of fork in road to Bodega and Valley Ford 30 Comment
  CAS-BOT-BC232935  Polypogon Peter Rubtzoff 1983-8-28 9673 Sonoma Austin Creek, ca. 0.5 mile N of Highway 116 on Cazadero Road Comment
  CAS-BOT-BC311839  Polypogon Peter Rubtzoff 1986-9-28 9743 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC320497  Polypogon Peter Rubtzoff 1973-9-4 7294 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC332701  Polypogon Peter Rubtzoff; Nancy Harrison 1974-9-7 7889 Sonoma Hinebaugh Creek in Rohnert Park, in creek bed under Commerce Blvd. bridge. Comment
  CAS-BOT-BC233003  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  SD71383  Polypogon australis Peter Rubtzoff 1961-9-20 4754 Sonoma Open, wet creek bank, Willow Creek marsh Comment
  UC1011006  Polypogon australis Virginia Bufford 1936-5-22 385 Sonoma Skaggs Springs Rd about 10 mi from Stewarts Pt; Skaggs Springs Rd Comment
  CAS-BOT-BC233194  Polypogon interruptus Peter Rubtzoff 1958-8-9 3855 Sonoma Laguna de Santa Rosa N of Sebastopol, near Occidental Road Comment
  CAS-BOT-BC233188  Polypogon interruptus Mary P. Wells 1982-8-23 s.n. Sonoma Stump Beach, Salt Point State Park Comment
  CAS-BOT-BC237396  Polypogon monspeliensis Walter Knight; Irja Knight 1963-8-13 276 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC237408  Polypogon monspeliensis Peter Rubtzoff 1956-9-11 2847 Sonoma Vacation Beach, near Guerneville, Russian River bottom Comment
  CAS-BOT-BC237415  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Road to Bodega Point Comment
  POM206737  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Near Sonoma. Comment
  UCD91320  Polypogon monspeliensis Mary M. Hektner 1974-6-28 79 A Sonoma In gravel yard adjacent to the B. Kirkwood House; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD91338  Polypogon monspeliensis P. B. Kennedy 1920-6-16 X 3252 Sonoma Santa Rosa; Field -- Campus -- Berkeley Comment
  UCD91340  Polypogon monspeliensis P. B. Kennedy 1920-6-17 X 3252 Sonoma Santa Rosa; Field -- Campus -- Berkeley Comment
  UCD91467  Polypogon viridis David L. Morgan 1956-6-26 s.n. Sonoma Bank above Shell Beach, 1/4 mi. S. of Goat Rock, just off State Highway #1. Comment
  SD9738  Polystichum aculeatum var. aculeatum R. V. Frost 1878-1 Sonoma Comment
  CAS-BOT-BC72167  Polystichum californicum Walter Knight; Irja Knight; Dr. Steve Edwards 1986-6-9 5447 Sonoma Annadel State Park 83 Comment
  UC42162  Polystichum californicum F. T. Bioletti 1891-12-25 Sonoma Sonoma Comment
  JEPS108622  Polystichum californicum R. Raiche 1987-1-12 70019 Sonoma W of Cloverdale, near Prichett Creek, Brush Creek, near point of inundation at Lake Sonoma 182 Comment
  POM23158  Polystichum californicum Michener, Bioletti 1893-06 s.n. Sonoma Adobe Canyon Comment
  CAS-BOT-BC72483  Polystichum munitum Peter Rubtzoff 1952-3-22 862 Sonoma bordering the Upper Marsh in the west Comment
  CAS-BOT-BC72485  Polystichum munitum A. T. Graff 1926-2-1 s.n. Sonoma Cazadero Comment
  UCD19303  Polystichum munitum Terry Reedy 1974-5-11 236 Sonoma Bodega Head, shady gully south of road to Field Station. 12 Comment
  CAS-BOT-BC102668  Populus fremontii Peter Rubtzoff 1973-10-10 7335 Sonoma Forestville Marsh area, field ca. 25 yards from creek draining the Forestville Marsh Comment
  CAS-BOT-BC249289  Potamogeton crispus Peter Rubtzoff 1969-8-14 6126 Sonoma Salmon Creek, 5 miles west of Bodega (town) on Salmon Creek Road (1.1 mi. west of Finlay Creek Crossing). Comment
  CAS-BOT-BC452132  Potamogeton crispus Peter Rubtzoff 1964-6-24 5375 Sonoma Coleman Marsh. In Salmon Creek. Comment
  UC441347  Potamogeton nodosus Milo S. Baker Aug. 1900 Sonoma near Laguna; Mark West Creek Comment
  UCD164983  Potamogeton nodosus Peter Rubtzoff; Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7812 Sonoma Kenwood Marsh. Comment
  UCR280145  Potamogeton nodosus Peter Rubtzoff 1971-9-30 6716 Sonoma North Coast Range, Spring Creek Reservoir area 87 Comment
  CAS-BOT-BC141649  Potentilla uliginosa Milo S. Baker 1946-8-17 11550 Sonoma Cunningham Marsh within the fence of the Camp Ground, ca 1 1/2 mi. west of the town of Cunningham 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
  SDSU9862  Primula hendersonii D. F. Howe 1972-2-20 4804 Sonoma Trinity Road, Mt. Hood Range. Comment
  SEINET12052828  Prosartes hookeri F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -57 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek 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
  CAS-BOT-BC516397  Prosartes hookeri Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  SEINET12051392  Prosartes hookeri F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -262 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  UCD139804  Prosartes hookeri R. H. Miller 1949-4-6 23 Sonoma 5 miles southeast of Monte Rio, beside on Highway 12. Comment
  UCSB29336  Prunella vulgaris Hook, J. 1972-6-25 Sonoma Salt Point State Park; 18 miles N. of Russian River; on Hwy 1 8 Comment
  UC25626  Prunella vulgaris var. lanceolata Harley P. Chandler 1900-5-25 699 Sonoma Bodega Bay Comment
  CAS-BOT-BC159844  Prunus cerasifera Greg de Nevers 2002-3-12 12648 Sonoma Bouverie Audubon Preserve, Highway 12, Glen Ellen Comment
  CAS-BOT-BC356926  Pseudognaphalium californicum G. DeNevers 1981-6-15 1556 Sonoma Pepperwood Ranch. Along road from Bald Hills to Franz Valley Creek Comment
  CAS-BOT-BC357168  Pseudognaphalium luteoalbum G. DeNevers 1981-4-25 861 Sonoma Pepperwood Ranch. Roadside at Mark West Creek and Leslie Creek Comment
  CAS-BOT-BC361618  Pseudognaphalium stramineum Peter Rubtzoff 1951-9-2 722 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  HSC2215  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
  OBI21026  Pseudotsuga menziesii Dave Morse 1972-7-29 1 Sonoma 1 mi NE of Cloverdale on Hwy 128 91 Comment
  CAS-BOT-BC176177  Psilocarphus Peter Rubtzoff 1970-5-30 6250 Sonoma 5 miles north of Sears Point. Comment
  RSA784567  Psilocarphus Peter Rubtzoff 1971-6-25 6553 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  UCD150849  Psilocarphus chilensis Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  UCD135312  Psilocarphus tenellus Mary M. Hektner 1974-7-5 125 Sonoma between what will be Helm and Sea Stack; Unit 35-C Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD160872  Pteridium aquilinum var. pubescens James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3266 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
  UCD19498  Pteridium aquilinum var. pubescens Terry Reedy 1974-5-11 216 Sonoma Bodega Head. 15 Comment
  SEINET11910565  Pyracantha crenulata W. Knight, Knight, E.; Howell, J. T. 1984-1 5073 Sonoma Arnold Dr across from Tenelec near El Verano Comment
  JEPS58840  Pyrola aphylla M. E. and E. Van E. Ferguson Jun 8-10 1919 Sonoma Near Gurneville Comment
  CAS-BOT-BC466309  Pyrola picta Greg de Nevers 1991-7-9 9756 Sonoma Pepperwood Natural Reserve, 3450 Franz Valley Rd. 475 Comment
  UC1751199  Pyrola picta Katharine Brandegee 1910-5-18 Sonoma Mount St. Helena Comment
  UCD45320  Quercus X chasei John M. Tucker 1952-9-20 2624 Sonoma (Q. kelloggii Newb. X Q. agrifolia Nee). California, Sonoma Co.; Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham. Comment
  RSA34661  Quercus X ganderi G. Ledyard Stebbins 1943-6-18 3364 Sonoma 2.5 miles N of Cotati; on road to Sebastopol. Comment
  CAS-BOT-BC61633  Quercus agrifolia Walter Knight; Irja Knight 1963-8-23 407 Sonoma Joosh Ranch, Calistoga Rd Comment
  CAS-BOT-BC61635  Quercus agrifolia Peter Rubtzoff 1951-8-18 639 Sonoma Pitkin marsh, near Forestville. In area separating the western branch of the Upper Marsh from the eastern Comment
  UCD45209  Quercus berberidifolia Roman Gankin 1967-10-4 1078 1 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  CAS-BOT-BC86006  Quercus douglasii Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5137 Sonoma Pine Mountain rd. 304 Comment
  SEINET12034335  Quercus douglasii Unknown 1974-1 Sonoma Comment
  CAS-BOT-BC94151  Quercus durata G. De Nevers 1981-9-12 1936 Sonoma Pepperwood Ranch, on hill top N of Bechtel Cabin Comment
  JEPS83643  Quercus durata R. Raiche 1988-1-19 80003 Sonoma Bummer Peak Area, Rockpile Rd Lake Sonoma Area 329 Comment
  CAS-BOT-BC94670  Quercus garryana L. R. Abrams 1916-7-4 5800 Sonoma Mark West Comment
  SJSU16079  Quercus garryana Allen W. Jacobs 1934-8-1 2 Sonoma Near the Hilton in Russian River Comment
  UCR265130  Quercus garryana Ann Howald 2015-4-1 3329 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage 318 Comment
  UCD46072  Quercus garryana var. garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 miles ne of Penngrove; 365 Comment
  UCD46086  Quercus garryana var. garryana J. M. Tucker 1950-11-19 2016 Sonoma 9.8 miles south of Healdsburg, beside road to Rio Nido, Sonoma County, California. Comment
  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
  CDA31848  Quercus kelloggii D. G. Kelch 2006-10-4 6 .496 Sonoma Entrance to Bouverie Reserve. 2 km N of Agua Caliente along Rte 12. Comment
  RSA786873  Quercus kelloggii Carrie A. Herd 1982-3-14 22 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  UC5610  Quercus kelloggii unknown 971 Sonoma Sonoma Comment
  UCD46639  Quercus kelloggii D. Sanchez-Mata 1996-4-16 s.n. Sonoma Mercuryville. Big Sulphur Creek. The Geysers. 430 Comment
  UCD46674  Quercus kelloggii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 73 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Beginning of Hillside Trail. 381 Comment
  CAS-BOT-BC62848  Quercus lobata Mary P. Wells 1984-6-18 356 Sonoma Friends House grounds, Rincon Valley, Santa Rosa Comment
  UC338588  Quercus lobata unknown Sonoma Comment
  UCD163613  Quercus parvula var. shrevei John M. Tucker; Lois W. Weeth 1998-10-6 4497 Sonoma Highway 128, 0.2 mi. south of the Sonoma-Mendocino County line. Comment
Read comments
Sep 19 2016
  CDA21148  Quercus wislizeni G. F. Hrusa, G. L. Stebbins 1993-10-3 11464 Sonoma Sugarloaf Ridge State Park; Near summit of Bald Mountain. 731 Comment
  CAS-BOT-BC376399  Ranunculus Greg de Nevers 1996-4-18 10793 Sonoma Knight's Valley Marsh, on Bavarian Lion Ranch, south end of valley. 91 Comment
  SDSU10098  Ranunculus californicus D. F. Howe 1972-4-28 4814 Sonoma Trinity Road, Mt. Hood Range. 122 Comment
  UC1126147  Ranunculus californicus A. Lewis 1932-5-14 76 Sonoma Calabasas Creek Napa Quadrangle 457 Comment
  CAS-BOT-BC378685  Ranunculus californicus var. californicus Mrs. H. C. Cantelow 1940-4-20 4250 Sonoma about 0.67 mi north of Bay Highway 1 Comment
  CAS-BOT-BC378692  Ranunculus californicus var. californicus Peter Rubtzoff 1966-5-29 5727 Sonoma Laguna de Santa Rosa area east of Cunningham (nr. Llano Rd.) Comment
  CAS-BOT-BC378704  Ranunculus californicus var. californicus Peter Rubtzoff 1969-6-14 6072 -C Sonoma vernal pool 6.5 mi northeast of Penngrove, on Lichen Road 426 Comment
  CAS-BOT-BC378765  Ranunculus californicus var. cuneatus Walter Knight; Irja Knight 1964-2-27 530 Sonoma coastal bluff at Rocky Point a little south of Gualala Comment
  UCD96163  Ranunculus lobbii G. F. Hrusa; A. Buckman, R. Gross 1995-4-1 12030 Sonoma Lagunda de Santa Rosa, Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. 75 Comment
  JEPS55143  Ranunculus muricatus W. L. Jepson 1914-4-11 5803 Sonoma Sonoma Valley 35 Comment
  JEPS55144  Ranunculus muricatus W. L. Jepson 1911-4-30 4189 Sonoma near Glen Ellen; Sonoma Valley, Eldridge 60 Comment
  POM163785  Ranunculus muricatus Rimo Bacigalupi 1926-4-30 1368 Sonoma Cagadero Comment
  HSC34936  Ranunculus occidentalis var. occidentalis Thomas W. Nelson, James Nelson 1975-3-25 1755 Sonoma Beside Hwy. 128 E of Geyserville Comment
  UC70364  Ranunculus orthorhynchus var. bloomeri Milo S. Baker May 1899 Sonoma Kenwood Comment
  CAS-BOT-BC251224  Ranunculus orthorhynchus var. platyphyllus Peter Rubtzoff 1959-5-31 4084 Sonoma Freestone marsh. Comment
  SEINET12094350  Ranunculus parviflorus H. K. Wagnon 1989-1 1867 Sonoma 5555 Montgomery Dr., Santa Rosa 67 Comment
  SD88304  Ranunculus uncinatus Darley F. Howe 1972-5-2 4920 Sonoma Trail above Duncan Mills Pond Comment
  CDA18779  Raphanus sativus Boris Korotyaev 2000-3-28 s.n. Sonoma Northern California; Bodega Bay. 0 Comment
  CAS-BOT-BC427548  Reseda luteola Walter Knight; Irja Knight; Tiffany Knight 1985-8-8 5142 Sonoma Willow Creek Road ca 3 mi from Coleman Valley road. Comment
  CDA14169  Reseda luteola G. F. Hrusa, R. Gross 1997-5-12 13769 Sonoma North Coast Biodiversity Arena; Ida Clayton Rd. on NW shoulder of Mt. St. Helena. Comment
  CDA31337  Rhamnus californica D. G. Kelch, Ed Biffin 2010-5-3 10 .193 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UC570986  Rhamnus californica subsp. californica Herbert L. Mason 1928-4-8 4293 Sonoma 2 mi n Fort Ross Comment
  UC1193389  Rhamnus tomentella subsp. tomentella R. H. Neuns 1950-5-20 100 Sonoma 6 mi e Geyserville 441 Comment
  CAS-BOT-BC56600  Rhododendron macrophyllum Mary P. Wells 1984-8-9 450 Sonoma Forest off north end of Deerfield Road, The Sea Ranch Comment
  UC22146  Rhododendron occidentale W. H. Brewer 1861-11-9 859 Sonoma nw of Mount St. Helena Comment
  UC22148  Rhododendron occidentale Edw. L. Greene 1894-6-7 Sonoma Mount St. Helena Comment
  UCD141958  Rhododendron occidentale G. F. Hrusa 1989-5-8 7009 Sonoma Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  UCD117913  Rhododendron occidentale Donna Allen 1977-5-24 s.n. Sonoma 30 miles on Dry Cr. Road to Stewart's Pt. Comment
  CAS-BOT-BC200339  Rhododendron occidentale var. occidentale H. E. McMinn 1922-6-7 181 Sonoma Near Monte Rio 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
  CHSC114305  Rhododendron occidentale var. occidentale G. F. Hrusa 1989-5-8 7006 Sonoma North Coast Ranges. Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  RSA133726  Rhododendron occidentale var. occidentale John H. Thomas 1955-5-22 5190 Sonoma Graton-occidental Road about 3.5 miles west of Occidental. 61 Comment
  RSA0037117  Rhododendron sonomense G. Fred Hrusa 1989-5-8 6097 Sonoma Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  RSA94003  Rhynchospora californica Peter Rubtzoff 1951-7-1 343 Sonoma Lower part of Upper Marsh Comment
  CAS-BOT-BC111896  Rhynchospora capitellata John Thomas Howell 1945-8-14 21389 Sonoma Perry Marsh Comment
  CAS-BOT-BC111915  Rhynchospora globularis Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  JEPS117111  Rhynchospora globularis Peter Warner 2010-7-29 174 Sonoma Lower Pitkin Marsh, ~ 425 m, N 33 deg. E from Hwy. 116 gate, ~ 100 m, N 40 deg. E from nearest fence corner to west, ~ 20 m E of secondary drainage channel dense w/ Rubus armeniacus. Comment
  UC963895  Rhynchospora globularis var. globularis Milo S. Baker 1945-8-14 11145 Sonoma on Gravestein Hwy about 2 mi n Sebastopol; Twin Pine Ranch, Perry Marsh Comment
  CAS-BOT-BC111925  Rhynchospora recognita John Thomas Howell 1946-8-17 22863 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC111934  Rhynchospora recognita Peter Rubtzoff 1951-6-30 321 Sonoma Pitkin Marsh, lower part of the Upper Marsh Comment
  SEINET13942324 Image available Ribes californicum A. A. Heller, H. E. Brown 2002-1 5012 Sonoma Hills East of Santa Rosa Comment
  CAS-BOT-BC93058  Ribes californicum var. californicum Elmer I. Applegate 1932-3-19 7018 Sonoma West of Cloverdale. Comment
  CAS-BOT-BC169268  Ribes divaricatum Peter Rubtzoff 1957-4-28 3289 Sonoma Duncans Mills Marsh, at the edge of the upper part of the Marsh Comment
  CAS-BOT-BC168993  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1952-3-23 899 Sonoma Damp area north of the Lower Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC168999  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1952-3-23 899 Sonoma Damp area north of the Lower Marsh - Pitkin Marsh, near Forestville Comment
  UC75437  Ribes menziesii Milo S. Baker 1899-6-26 Sonoma near Russian River (Coast Road) Comment
  UCD151117  Ribes menziesii James A. Neilson Jr.; Teresa A. Sholars 1974-6-26 3272 Sonoma Mayacmas Mountains, ca. 3 miles west of Glenbrook, vicinity of Caldwell Pines. (Elevation estimated by label maker using Google Earth.) 716 Comment
  SEINET5660524 Image available Ribes victoris Paul M. McKenzie, Lowell E. Urbatsch; Annette Parker; Karla Wilzer 1971-1 176 Sonoma On North slope near construction site; ca. 8 miles west of Geyserville on Stewarts Point--Skaggs Springs Roads.; Stewarts Point Comment
  UC11671  Ribes victoris F. T. Bioletti Mar 1891 Sonoma Watson's Canyon Comment
  UC191399  Ribes victoris var. minus Michener and Bioletti 1892-7-8 629 a Sonoma Comment
  CAS-BOT-BC362937  Rigiopappus leptocladus Alice Eastwood 1915-6-5 4587 Sonoma Petrified Forest Comment
  UC1333293  Romanzoffia californica Malcolm L. Byce 1936-3-22 112 Sonoma 3 1/2 mi. w. Cazadero (Ward Creek); Ward Creek Comment
  UC881300  Romanzoffia californica Alice Eastwood 1917-5-13 Sonoma along rd. to Bodega Bay Comment
  CAS-BOT-BC74698  Rorippa curvisiliqua Peter Rubtzoff 1958-7-19 3772 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC74716  Rorippa curvisiliqua Peter Rubtzoff 1986-9-28 9750 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  JEPS79426  Rorippa curvisiliqua Nancy Harrison 1980-4-7 Sonoma Park Trail Drive South Santa Rosa (s Santa Rosa) Comment
  UC10728  Rorippa curvisiliqua H. N. Bolander Apr 1864 3894 Sonoma Mark West Creek Comment
  UCD115280  Rorippa curvisiliqua William T. Hirano 1967-5-26 s.n. Sonoma Bodega Bay. Comment
  RSA247444  Rorippa palustris subsp. occidentalis Peter Rubtzoff 1964-8-20 5470 Sonoma Near pond 1 mile SE of Jenner (near jct of Hwy 1 and Hwy 12) Comment
  CAS-BOT-BC152667  Rosa californica Greg de Nevers; M. Harding 1981-7-11 1745 Sonoma Skovie, Pepperwood Ranch Comment
  POM140210  Rosa californica A. A. Heller 1902-7-10 5678 Sonoma Santa Rosa Comment
  POM89567  Rosa californica Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  UCD158731  Rosa californica Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 2 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd. along Big Sulphur Creek. Elevation estimated by label maker. 853 Comment
  SEINET10964993  Rosa californica Walter H. Lewis, Barbara J. Ertter 2005-2-8 Lewis 15909 Sonoma Grizzly Island Rd, 0.5 mi S of bridge across Montezuma Slough at Belden's Landing; forming hedge along road for some distance with standing water on the other side. Comment
  RSA179774  Rosa eglanteria J. T. Howell 1930-6-8 5234 Sonoma Flat along stream, 4 miles east of Valley Ford Comment
  RSA240594  Rosa gymnocarpa C. W. Tilforth, J. Dourley 1973-7-18 911 Sonoma 1 mile E of Occidental. Along Graton Rd. Comment
  CAS-BOT-BC148200  Rosa rubiginosa Peter Rubtzoff 1959-5-30 4063 Sonoma Freestone Marsh 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
  CAS-BOT-BC361364  Rosa spithamea var. sonomensis Greg de Nevers 1997-4-16 10932 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  JEPS117050  Rotala ramosior Peter Warner 2008-8-26 91 Sonoma Lower Pitkin Marsh, 1 mi SE of Forestville, on Sonoma Land Trust parcel, N of primary stream channel, in small drainage downslope from adjacent, off-site water impoundment (pond). 41 Comment
  UC12954  Rubus leucodermis J. Burtt Davy July 1896 Sonoma near Guerneville; near Guerneville Comment
  SD254702  Rubus parviflorus Ann Howald 2015-4-1 3312 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 11.5 miles west of intersection with Rockpile Rd, Warm Springs drainage. 408 Comment
  CAS-BOT-BC157170  Rubus ursinus Peter Rubtzoff 1951-6-30 291 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC157183  Rubus ursinus Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  RSA800079  Rubus ursinus Peter Rubtzoff 1964-6-3 5349 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC166721  Rumex Peter Rubtzoff 1962-6-24 4963 Sonoma Vacation Beach, 1.5 miles below Guerneville, along Russian River. Comment
  CAS-BOT-BC166655  Rumex Peter Rubtzoff 1958-8-31 3947 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC166722  Rumex Peter Rubtzoff 1961-8-24 4707 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC173539  Rumex Peter Rubtzoff 1964-7-29 5452 Sonoma Bodega Bay Marsh. Comment
  UCD101063  Rumex acetosella Peter Rubtzoff 1951-7-7 366 Sonoma Pitkin Marsh near Forestville. Between the western and the eastern branches of the Upper Marsh. Comment
  CAS-BOT-BC422236  Rumex acetosella John H. Thomas 1976-6-16 18258 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  SD39768  Rumex acetosella E. A. Purer 1932-7-21 4039 Sonoma Bodega Bay Comment
  UCD101097  Rumex conglomeratus Mary M. Hektner; Cathy Hendel 1974-7-25 170 Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR222560  Rumex conglomeratus George K. Helmkamp, E. A. Helmkamp 2010-6-5 16238 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
  CAS-BOT-BC421850  Rumex conglomeratus C. F. Leithold 1893-7-1 s.n. Sonoma Bennet [Bennett] Valley Comment
  UCD101132  Rumex crispus Frederica Bowcutt 1994-6-24 1880 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa.Trailhead for Lower Bald Mountain trail off of Stern Trail. 377 Comment
  CAS-BOT-BC433740  Rumex occidentalis Alice Eastwood 1921-5-8 10459 Sonoma Petaluma Comment
  UCD101462  Rumex pulcher Frederica Bowcutt 1994-6-12 1845 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. about 20 ft. Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  UCR244738  Rumex pulcher Peter Rubtzoff 1966-6-5 5751 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road) 30 Comment
  CAS-BOT-BC433848  Rumex pulcher John H. Thomas 1976-6-16 18300 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC433851  Rumex pulcher D. E. Breedlove 1980-6-27 44735 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD108457  Rupertia physodes P. B. Kennedy 1915-5-31 s.n. Sonoma Woods near Annapolis. Comment
  CAS-BOT-BC445688  Sagittaria cuneata Peter Rubtzoff 1955-10-12 2167 Sonoma East Guernewood, near Guerneville. Comment
  CAS-BOT-BC445694  Sagittaria cuneata Peter Rubtzoff 1955-8-27 2101 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC103087  Salix bonplandiana Peter Rubtzoff 1963-10-5 5291 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC103093  Salix bonplandiana Peter Rubtzoff 1969-8-26 6160 Sonoma Pond on River road 3 mi. west of Fulton Comment
  UC453086  Salix exigua var. hindsiana W. A. Setchell 1931-7-25 7 Sonoma Russian R. at Bohemian Grove (near Monte Rio) 213 Comment
  RSA0035349  Salix gooddingii Peter Rubtzoff 1955-4-9 1770 Sonoma Forestville Marsh. Comment
  JEPS30834  Salix hookeriana Rimo Bacigalupi and L. R. Heckard 1962-6-19 8590 Sonoma just n Horseshoe Cove (near Bodega) Comment
  UC453097  Salix lasiandra subsp. lasiandra W. A. Setchell 1931-7-25 15 Sonoma Bohemian Grove near Monte Rio (lower bank of Russian R.); Russian R. Comment
  UC726800  Salix lasiandra subsp. lasiandra A. A. Heller 1900-3-18 5098 Sonoma Santa Rosa Creek near Santa Rosa Comment
  CAS-BOT-BC128056  Salix lasiandra var. lasiandra Peter Rubtzoff 1955-8-20 2059 Sonoma Bodega Harbor Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC128060  Salix lasiandra var. lasiandra A. A. Heller 1902-8-23 5098 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC128064  Salix lasiandra var. lasiandra John Thomas Howell 1932-9-18 10772 Sonoma Bank of slough draining Kenwood Marsh. Comment
  CAS-BOT-BC107089  Salix lasiolepis Mary P. Wells 1986-2-2 726 Sonoma north of Wild Moor Reach, The Sea Ranch Comment
  CAS-BOT-BC107097  Salix lasiolepis Peter Rubtzoff 1952-3-23 904 Sonoma Southern half of Lower Marsh Comment
  CHSC118273  Salix lasiolepis Barbara L. Wilson 2015-9-22 18818 Sonoma Santa Rosa, Howarth Lake. 71 Comment
  UC524780  Salix lasiolepis W. A. Setchell 1934-7-10 1 Sonoma 1 or 2 mi. w. Fort Ross (Coast Hwy.) 76 Comment
  SEINET5633134 Image available Salix lasiolepis A. A. Heller 1902-1 2738 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC107344  Salix lasiolepis var. bigelovii C. R. Ball; B. S. Ball 1933-5-6 2502 Sonoma 4 miles SW of Calistoga, on road to Petrified Forest, and just over Napa County line Comment
  CAS-BOT-BC107355  Salix lasiolepis var. bigelovii Alice Eastwood 1915-6-30 s.n. Sonoma Bodega Comment
  RSA534504  Salix lasiolepis var. bigelovii Peter Rubtzoff 1962-5-11 4812 Sonoma Laguna de Santa Rosa. E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC125699  Salix melanopsis H. E. McMinn 1922-6-7 183 Sonoma Russian River near Guerneville Comment
  RSA534563  Salix melanopsis Peter Rubtzoff 1970-9-2 6367 Sonoma Russian River bottom at Mirabel Park. Comment
  CAS-BOT-BC129235  Salix piperi Mary P. Wells 1981-4-18 s.n. Sonoma Draw on Unit 24, The Sea Ranch Comment
  CAS-BOT-BC126184  Salix scouleriana W. A. Setchell 1933-7-9 3 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  CAS-BOT-BC126198  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 343 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  UC453116  Salix scouleriana W. A. Setchell 1931-8-1 29 Sonoma well up Kitchen Creek Bohemian Grove; Kitchen Creek, Bohemian Grove 60 Comment
  UC482052  Salix scouleriana Baker, Ball, Bracelin, and Crum 1931-5-9 343 Sonoma 2 km. e. Occidental (on Occidental grade) Comment
  UC524788  Salix scouleriana W. A. Setchell 1934-7-10 6 Sonoma Coast Hwy. n. of Fort Ross Comment
  CAS-BOT-BC128903  Salix sitchensis Ball; Bracelin; Parks & Parks 1931-4-21 36 Sonoma Maacama Creek, 25 km. northwest of Calistoga Comment
  CAS-BOT-BC128909  Salix sitchensis Mary P. Wells 1981-4-19 s.n. Sonoma East of Coast Highway, part way up Moonraker Rd., The Sea Ranch Comment
  RSA304941  Salix sitchensis James R. Shevock 1971-1-30 625 Sonoma Along Russian River. 12 Comment
  UC453106  Salix sitchensis W. A. Setchell 1931-7-31 21 Sonoma Bodega Bay Comment
  SBBG28794  Salix sitchensis M. S. Baker 1941-10-10 10179 Sonoma Mark West Crk, Spring Mtn Rd, ca. 1 mi E of Alpine School House Comment
  CAS-BOT-BC221106  Salvia sonomensis Alice Eastwood 1915-6-5 4601 Sonoma Petrified Forest Comment
  OBI48690  Salvia sonomensis Michener & Bioletti, Bioletti June1893 s.n. Sonoma Hoods Peak Comment
  UC1010756  Salvia sonomensis Peter H. Raven 1954-2-27 6429 Sonoma n side Hooker Creek; Hoods Peak Range 609 Comment
  UC1177084  Salvia sonomensis Peter H. Raven 1954-2-27 6429 Sonoma n side Hooker Creek; Hoods Peak Range 609 Comment
  SEINET12327819  Salvia sonomensis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -099 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  CAS-BOT-BC245888  Sambucus nigra subsp. caerulea Peter Rubtzoff 1962-6-22 4957 Sonoma Fife Creek Marsh, Ffie Creek Comment
  OBI39521  Sambucus racemosa var. racemosa F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-17 84 -159 Sonoma Ca 5.0 mi E of Bridgehaven on Willow Creek rd 145 Comment
  UCD137272  Sambucus racemosa var. racemosa Mary M. Hektner; Cathy Hendel , Sue Dakuzaku 1974-7-4 116 Sonoma north of Sea Drift Road; Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. 3 Comment
  JEPS98654  Sanicula arctopoides O. Gomez, R. Power, E. and P. Vargas 1996-4-7 7 PV96 Sonoma Bodega Head Bodega Bay 76 Comment
  SBBG5250  Sanicula arctopoides H. and M. Dearing 1939-5-14 3358 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UC73327  Sanicula arctopoides Milo S. Baker 1898-4-5 6 a Sonoma between Stewarts Point and Sea View Comment
  CAS-BOT-BC223347  Sanicula bipinnatifida G. H. Mallory 1920-3-29 s.n. Sonoma East end of Sonoma Ave, Santa Rosa Comment
  UC901878  Sanicula graveolens L. Constance, L. R. Heckard and A. R. Kruckeberg 1950-5-13 3329 Sonoma 4 mi w of Lincoln Rock (ne of Sulphur Creek) 762 Comment
  UCR265124  Scandix pecten-veneris Ann Howald 2015-4-1 3322 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  CAS-BOT-BC283657  Schedonorus pratensis James Jokerst 1985-4-26 2275 Sonoma Near Caldwell Ranch Comment
  CAS-BOT-BC111398  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1951-6-9 186 Sonoma Northern half of Lower Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC111435  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1966-7-23 1980 Sonoma Forestville Marsh. Comment
  HSC7527  Schoenoplectus americanus James Faro 1962-4-17 18 Sonoma W side of Bodega Bay, N end Comment
  CAS-BOT-BC111630  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4580 Sonoma Bodega Harbor Marsh; saline part. Comment
  CAS-BOT-BC111806  Schoenoplectus pungens var. badius Peter Rubtzoff 1959-6-13 4126 Sonoma Willow Creek Marsh. 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-BC111835  Schoenoplectus tabernaemontani Peter Rubtzoff 1963-8-17 5220 Sonoma Salt marsh near Petaluma River just east of Petaluma Comment
  UC1153783  Scirpus cernuus B. Crampton 1957-7-22 4374 Sonoma 0.9 mi s Stewart's Point (along State Hwy 1); s of Stewart's Point Comment
  UC1254996  Scirpus cernuus Alan A. Beetle 1941-7-8 2854 Sonoma coastal bluffs 5 mi n Steward Point; n of Steward Point Comment
  CAS-BOT-BC111106  Scirpus microcarpus Peter Rubtzoff 1958-9-6 3982 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC111110  Scirpus microcarpus Gregory Clark de Nevers 1981-6-20 1627 Sonoma In Mark West Creek, Pepperwood Ranch. Comment
  SEINET12058072  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -004 Sonoma ca 0.3 mi WNW of Camp Meeker on Bohemian Road along floodplain of Dutch Bill Creek 50 Comment
  SEINET12058075  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -003 Sonoma ca 0.15 mi SE from East Avenue junction with Bohemian Rd on latter to Occidental from Camp Meeker 140 Comment
  CAS-BOT-BC240034  Scribneria bolanderi Leo Whitney 1935-4-14 2257 Sonoma Near Occidental Comment
  UC1023610  Scribneria bolanderi Virginia Bufford 1935-4-14 438 Sonoma Occidental, Blundin's Pasture Occidental; , Blundin's Pasture Comment
  UCD92543  Scribneria bolanderi L. Whitney; E. W. 1935-4-14 s.n. Sonoma near Occidental. Comment
  CAS-BOT-BC320546  Scrophularia californica Peter Rubtzoff 1958-5-17 3675 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  RSA0022477  Scrophularia californica Peter Rubtzoff 1962-10-23 5122 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  RSA425178  Scrophularia californica var. californica Christopher Davidson 1977-6-17 5879 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  JEPS128280  Scutellaria antirrhinoides Roger Raiche 2005-4-22 017 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS62892  Scutellaria californica W. L. Jepson 1923-6-28 10002 Sonoma Kenwood, Sonoma Canyon Kenwood; , Sonoma Canyon 243 Comment
  UCD160919  Scutellaria californica James A. Neilson Jr. 1975-7-8 3382 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  NY415716  Scutellaria viarum A. A. Heller 1902-6-27 5786 Sonoma West of Windsor near Russian River Comment
  CAS-BOT-BC417851  Sedella pumila Milo S. Baker 1940-4-24 9551 Sonoma along Sonoma--Santa Rosa Hiwy, just N of Agua Caliente Comment
  CAS-BOT-BC361395  Sedum spathulifolium Greg de Nevers 1993-5-17 10453 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. 457 Comment
  UCR43083  Sedum spathulifolium L. F. LaPre 1985-6-5 s.n. Sonoma North Coast Ranges, Geysers Overlook, just NW of Geysers Resort on Healdsburg- Geysers Road 483 Comment
  RSA683758  Selaginella bigelovii June N. Ackley 1937-02 424 Sonoma Bridgehaven, western edge of Colorado Desert. 427 Comment
Read comments
Apr 9 2013
  CAS-BOT-BC366867  Selaginella wallacei Greg de Nevers 1998-4-21 11191 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Al Cuneo's big rock in the NW 1/4 of Sec. 6 400 Comment
  CAS-BOT-BC62201  Selaginella wallacei A. A. Heller 1902-3-10 5024 Sonoma Hills two miles east of Santa Rosa Comment
  CAS-BOT-BC62202  Selaginella wallacei Greg de Nevers 1992-3-18 10090 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 475 Comment
  UC150889  Selaginella wallacei A. A. Heller 1902-3-10 5024 Sonoma hill 2 mi e Santa Rosa Comment
  CAS-BOT-BC363429  Senecio aronicoides G. DeNevers 1981-5-9 1084 Sonoma Pepperwood Ranch. Above (S of) Redwood Canyon Comment
  UCR280142  Senecio hydrophilus Peter Rubtzoff 1971-8-9 6636 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  SEINET11807204  Senecio jacobaea W. Knight, Knight, I. 1984-1 5113 Sonoma near junction Hwy 1 & Headlands Beach Rd, Sea Ranch Comment
  UCD148366  Senecio minimus Peter Rubtzoff 1955-8-20 2056 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC173681  Senecio vulgaris Peter Rubtzoff 1956-9-14 2896 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UC1084374  Senecio vulgaris G. Thomas Robbins 1937-3-27 47 Sonoma Santa Rosa Comment
  CAS-BOT-BC364678  Senecio vulgaris A. A. Heller; H. E. Brown 1902-3-16 5072 Sonoma Russian River, near Trenton Comment
  CAS-BOT-BC80320  Sequoia sempervirens Dr. Louise Taber 1960-6-1 s.n. Sonoma Villa Grande, 1 mi. n. of Monte Rio (at locality known as Patterson Point.) Comment
  NY64476  Sequoia sempervirens R. R. Wilson 1939-7-25 438 Sonoma Ft. Ross, one-half mile from ocean 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
  YM-YOSE15452  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 miles South of Santa Rosa in Bennet Valley Comment
  CDA31828  Sesbania punicea C. Owens 2010-7-7 s.n. Sonoma In the vicinity of Santa Rosa on River Road. 0 Comment
  CAS-BOT-BC243536  Setaria faberi David L. Morgan 1958-4-6 s.n. Sonoma Highway 101, Sonoma-Marin County Line Comment
  SEINET10827242  Setaria parviflora P. Rubtzoff 1971-9-2 Rubtzoff 6685 Sonoma Todd Road near Stony Point Road. Dry roadside ditch, in the open. Comment
  CAS-BOT-BC240153  Setaria pumila Peter Rubtzoff 1971-8-23 6657 Sonoma Meacham Road 0.35 mi. south of Stony Point Road Comment
  CAS-BOT-BC240277  Setaria viridis G. DeNevers 1981-6-20 1621 Sonoma Pepperwood Ranch. In Mark West Creek Comment
  CAS-BOT-BC371430  Sherardia arvensis Greg de Nevers 1997-4-17 10948 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC187882  Sidalcea calycosa subsp. rhizomata John Thomas Howell 1945-8-14 21387 Sonoma Perry Marsh Comment
  CAS-BOT-BC187881  Sidalcea calycosa subsp. rhizomata Lillian Reinecke 1940-4-20 s.n. Sonoma Black Point Road, 5 miles S of Sonoma Comment
  JEPS50081  Sidalcea diploscypha M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma between Gurneville and Monte Rio; Russian River, btw Gurneville and Monte Rio Comment
  JEPS50082  Sidalcea diploscypha D. Patchett 1917-5-15 Sonoma Edenrille Ranch Comment
  UCD116613  Sidalcea diploscypha Frederica Bowcutt; Jeff Kennedy 1994-5-21 1800 Sonoma 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 1.5 air miles NE of Kenwood. Along the Meadow Trail, about 0.25 mile from the trail head. 396 Comment
  UC1601098  Sidalcea oregana subsp. valida Mrs. Booth Aug. 1894 Sonoma Knight's Valley Comment
  CAS-BOT-BC178689  Silene Peter Rubtzoff 1983-8-28 9678 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road. Comment
  JEPS45851  Silene californica Eleanor Armstrong 1932-5-28 504 Sonoma 6 mi w of Graton (along Meek[s] grade); w of Graton 60 Comment
  JEPS50893  Silene californica Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  UCD158812  Silene gallica James A. Neilson Jr. 1974-4-16 3169 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  UCD98632  Silene gallica Botany 102 Students 1993-5-8 280 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. In Adobe Canyon N of Sugarloaf Ridge. Bald Mountain Trail less than 1 air mile S of Red Mountain, N of Sonoma Creek. Comment
  CAS-BOT-BC389223  Silene laciniata subsp. californica A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero Comment
  CAS-BOT-BC389229  Silene laciniata subsp. californica Volney Rattan 1877-6-11 s.n. Sonoma Guerneville 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
  POM169048  Sisyrinchium bellum A. A. Heller, H. E. Brown 1902-3-26 5154 Sonoma Santa Rosa Creek. Comment
  SEINET12051395  Sisyrinchium bellum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -260 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SEINET7042393  Sisyrinchium bellum A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  RSA239774  Sisyrinchium californicum Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1090 Sonoma Pitkin-Jones Tree Farm, on Vine Hill Road north of junction with Guerneyville Road 9 miles west of Santa Rosa Comment
  JEPS62131  Smilacina racemosa Docia Patchett 1917-5-12 Sonoma on grade near Annapolis Comment
  CDA28745  Smilacina stellata S. Blank, P. Kerr 2007-4-3 s.n. Sonoma North Coast Ranges; Annadel State Park. Hunter Spring. Comment
  CAS-BOT-BC164411  Solanum Peter Rubtzoff 1962-7-14 4991 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC164412  Solanum Peter Rubtzoff 1966-8-29 s.n. Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA0030765  Solanum Peter Rubtzoff 1958-8-17 3889 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  SEINET6185639  Solanum nigrum Unknown 1970-8-21 s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC344874  Solidago Peter Rubtzoff 1961-9-6 4745 Sonoma 2 miles northeast of Freestone. Comment
  CAS-BOT-BC365656  Solidago spathulata Roxana S. Ferris 1937-8-19 9378 Sonoma 1.5 miles north of Fort Ross on State Highway #1 Comment
  CAS-BOT-BC365259  Solidago velutina subsp. californica Peter Rubtzoff 1951-9-15 749 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh 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
  UC1613315  Solidago velutina subsp. californica Charles M. Belshaw 1936-9-18 2670 Sonoma Mt. St. Helena Comment
  UCD159447  Solidago velutina subsp. californica D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 204 Sonoma Hill near W Shore Rd. Overlooking Campbell Cove. 29 Comment
  CAS-BOT-BC365960  Soliva sessilis Catherine Best 1983-10-12 906 Sonoma In the school yard at Watson School on the Bodega Hwy west of Freestone Comment
  CDA8805  Soliva sessilis G. D. Barbe 1982-5-27 3618 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Scaggs Spring Road. Comment
  CAS-BOT-BC374528  Sonchus asper Peter Rubtzoff 1951-7-21 517 Sonoma Pitkin Marsh, near Forestville. Area between the Upper and the Lower marshes Comment
  CAS-BOT-BC374531  Sonchus asper Peter Rubtzoff 1951-7-7 359 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  RSA788954  Sonchus asper subsp. asper Peter Rubtzoff 1955-9-24 2153 Sonoma Duncans Mills Marsh. Comment
  UCD136129  Sonchus asper subsp. asper Mary M. Hektner; Cathy Hendel 1974-7-24 163 Sonoma alongside Kirkwood House on Pacific Reach, Unit 24 Owners' Map, Sea ranch, near State Highway 1. Comment
  UCD136146  Sonchus asper subsp. asper M. Wiesendanger 1927-5-5 719 Sonoma Sonoma. Comment
  UCD136184  Sonchus oleraceus Mary M. Hektner 1974-7-25 167 Sonoma Galleon's Reach, Unit 3 Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC236589  Sorghum halepense Peter Rubtzoff 1962-9-16 5089 Sonoma Vacation Beach, 1.5 mi. below Guerneville, along Russian River Comment
  UC1146596  Sorghum halepense Freed W. Hoffman July 1941 2220 Sonoma near Guerneville; North Coast Ranges Comment
  UCD167343  Sorghum halepense James Neilson 1981-5-28 4034 Sonoma Mayacmas Mountains.1/2 mi. west Big Geysers. (Location information obtained from Neilson 4033 indicates that the location is at lookout point along road fill over culvert 1/2 mi. west Big Geysers. Exact location unknown. Coordinates estimated by label maker.) Comment
  POM119055  Sparganium angustifolium subsp. emersum Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC390042  Spergula arvensis Alice Eastwood 1921-4-24 10328 Sonoma Santa Rosa Comment
  RSA178018  Spergula arvensis R. F. Thorne 1965-4-19 34277 Sonoma Titus Ranch, Valley Ford. 18 Comment
  CAS-BOT-BC258903  Spergularia Peter Rubtzoff 1955-8-7 2035 Sonoma Guerneville Marsh. Comment
  UCD99235  Spergularia marina S. F. Bailey 1951-6-1 s.n. Sonoma Skagg's Island, north of Plack Point cutoff (Highway 48). Comment
  CAS-BOT-BC390733  Spergularia rubra Alice S. M. McKenzie 1980-12-26 23 Sonoma Coast between Russian and Gualala Rivers. State Hwy 1 at Timber Cove Comment
  RSA0025194  Spiranthes Peter Rubtzoff 1969-6-27 6103 Sonoma Vernal pool, 6.5 mi northeast of Penngrove, on Lichan Road. 427 Comment
  RSA293432  Stachys rigida subsp. quercetorum Reino Alava 1958-5-24 2065 Sonoma About one mile from Graton on the road from Graton to Occidental. Comment
  SEINET12327820  Stachys rigida subsp. quercetorum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -081 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  CAS-BOT-BC251171  Stellaria Peter Rubtzoff 1967-8-28 5866 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC175333  Stellaria borealis subsp. sitchana Milo S. Baker 1928-4-28 3011 Sonoma Pitkin Swamp Comment
  CAS-BOT-BC251255  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-6-4 1901 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC181437  Stellaria littoralis Alice Eastwood 1915-6-29 4818 Sonoma Bodega Point Comment
  CAS-BOT-BC251172  Stellaria media Peter Rubtzoff 1958-8-16 3883 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC397763  Stellaria media Mary P. Wells 1990-4-9 1041 Sonoma Santa Rosa; Yard in Rincon Valley Comment
  CAS-BOT-BC397769  Stellaria media G. DeNevers 1981-4-2 614 Sonoma Pepperwood Ranch; Along Studio Road at the Mesa. Comment
  HSC4274  Stellaria media F. Demostene 1966-4-2 10 Sonoma 2 mi. E of Healdsburg Comment
  UCD151227  Stephanomeria virgata James A. Neilson Jr. 1974-5-1 3119 Sonoma On the border of Lake and Sonoma Counties: Mayacmas Mountains, Geyser Rock area, west of Whispering Pines and State Highway 175. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  UCD167209  Streptanthus James Neilson 1977-4-24 3881 Sonoma Mayacmas Mountains, south flank of Pine Mt. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCD167312  Streptanthus James Neilson 1977-6-7 3904 Sonoma Mayacmas Mountains, between Lunar Point and crest of Mayacmas. (Location information obtained from Neilson 3911 which indicated that Lunar Point is west of Locke Cabin. Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1492711  Streptanthus barbiger Freed W. Hoffman 1950-5-24 3359 Sonoma trail from Gray Creek to The Island (headwaters of East Austin Creek); North Coast Ranges, East Austin Creek Comment
  UC1492715  Streptanthus barbiger Freed W. Hoffman 1948-6-1 2334 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UC956503  Streptanthus barbiger Freed W. Hoffman 1948-6-17 2345 Sonoma tributary of East Austin Creek North Coast Ranges, Gilliam Creek Comment
  UCR67076  Streptanthus brachiatus subsp. brachiatus L. F. LaPre 1985-6-25 s.n. Sonoma Coast Ranges, Socrates Mine, c. 9 mi. ENE of Geyserville 917 Comment
  JEPS83703  Streptanthus glandulosus subsp. secundus R. Raiche 1987-6-21 70333 Sonoma nr Red Slide Falls (n of Cazadero); Red Slide Crk., The Cedars 304 Comment
Read comments
Oct 22 2013
  UC1292750  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-7-4 2869 Sonoma NW of Guerneville (Russian Gulce[h]); North Coast Ranges 243 Comment
  UC985958  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-6-4 2904 Sonoma along road at base of mt 2.2 mi from Healdsburg Park (e of Healdsburg); North Coast Ranges, Fitch Mountain Comment
  UC1292747  Streptanthus glandulosus subsp. secundus Freed W. Hoffman Apr 1948 2701 Sonoma near Guerneville (Gabes Rock); North Coast Ranges Comment
  UC1492769  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-25 3396 Sonoma near Guerneville; North Coast Ranges, Great Eastern Quicksilver Mines Comment
  CAS-BOT-BC87305  Streptanthus glandulosus subsp. sonomensis Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4756 Sonoma The Cedars. Near Cazadero on Twitchell Ranch. 274 Comment
  UC1492786  Streptanthus glandulosus subsp. sonomensis Freed W. Hoffman 1947-9-5 1068 Sonoma Dutch Bill Creek North Coast Ranges Comment
  CAS-BOT-BC87303  Streptanthus glandulosus subsp. sonomensis Doreen Smith 2003-5-1 s.n. Sonoma Coleman Valley Road. South of the road. Comment
  SEINET11998403  Streptanthus glandulosus var. sonomensis Unknown 1986-1 60156 Sonoma W of Healdsburg, Palmer Creek drainage (tributary of Mill Creek) 427 Comment
  UC2031712  Streptanthus hesperidis Sherry Adams 2009-6-18 Sonoma About 12 miles ENE from Healdsburg, via Pine Flat Road. About 500' north of the confluence of McDonnell and Ingalls Creeks Modini Ingalls Ecological Preserve of Audubon Canyon Ranch Comment
  JEPS82241  Streptanthus morrisonii Roger Raiche 1983-8-6 30581 Sonoma headwaters Austin Creek (The Cedars); , Austin Creek 182 Comment
  UC1292740  Streptanthus morrisonii Freed W. Hoffman 1946-9-26 1026 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  UCD167337  Streptanthus morrisonii James A. Neilson Jr. 1980-6-16 3983 Sonoma Mayacmas Mountains. On unnamed tributary of Little Sulphur Creek above Healdsburg-Geysers Road. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD167366  Streptanthus morrisonii James Neilson Date Unknown 4060 Sonoma Hillside due east of Layton Mine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1492804  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1950-5-24 3360 Sonoma trail from Gray Creek to The Island (headwaters of East Austin Creek); North Coast Ranges, East Austin Creek Comment
  UC1751203  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1947-5-30 1030 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  UC956621  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1946-9-26 1020 Sonoma Layton Chromite Mine North Coast Ranges, Big Austin Creek (headwaters of creek); headwaters of Big Austin Creek at Layton Chromite Mine, Sonoma Co. Comment
  UC956546  Streptanthus tortuosus Freed W. Hoffman 1948-7-27 2348 Sonoma summit Hood Peak (bare rocks and cliffs with s exposure); North Coast Ranges, Mayacamas Range Comment
  CAS-BOT-BC274038  Stuckenia pectinata Peter Rubtzoff 1971-9-1 6668 Sonoma Spring Creek Reservoir area. Comment
  CAS-BOT-BC274041  Stuckenia pectinata Peter Rubtzoff 1970-10-3 6408 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC257964  Symphoricarpos Peter Rubtzoff 1974-6-2 7530 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC257995  Symphoricarpos Peter Rubtzoff 1959-5-31 4075 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC258005  Symphoricarpos Peter Rubtzoff 1966-6-5 5754 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC258036  Symphoricarpos Peter Rubtzoff 1958-7-19 3760 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC269630  Symphoricarpos albus var. laevigatus A. A. Heller 1902-6-24 5762 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC97823  Symphyotrichum chilense Greg de Nevers 1987-1-1 8121 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC97825  Symphyotrichum chilense J. W. Congdon 1882-9-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC221966  Taeniatherum caput-medusae G. DeNevers; M. Harding 1981-7-11 1755 Sonoma Pepperwood Ranch. Above Skovie Comment
  CAS-BOT-BC157675  Taraxacum Peter Rubtzoff 1958-4-26 3587 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD136731  Taraxacum officinale Frederica Bowcutt 1994-5-1 1783 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon, campground S of Sonoma Creek about 150 yds. 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  CHSC1158  Taraxia ovata V. Holt 1935-3-24 Sonoma Near Petaluma. Comment
  SD243313  Teesdalia coronopifolia D. G. Kelch, A. G. Murdock, Ben Carter. 2007-5-13 07 288 Sonoma Cavedale Road. 518 Comment
  CAS-BOT-BC371466  Tellima grandiflora Greg de Nevers 1993-5-16 10446 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa along Franz Creek, E of 3865 Franz Valley Rd 400 Comment
  CAS-BOT-BC399884  Thalictrum polycarpum Peter Rubtzoff 1959-6-13 4140 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC268101  Thermopsis Peter Rubtzoff 1962-6-8 4886 Sonoma Bennett Mountain Lake. Comment
  POM20388  Thermopsis californica var. californica A. A. Heller, H. E. Brown, A. H. Heller 1902-4-22 7123 Sonoma Bet Santa Rosa and Agua Caliente Comment
  RSA52687  Thermopsis californica var. californica I. L. Wiggins 1949-4-30 12058 Sonoma Roadside 6.8 miles east of Santa Rosa on road to Calistoga Comment
  CAS-BOT-BC66818  Thysanocarpus curvipes A. A. Heller; H. E. Brown 1902-3-21 5114 Sonoma Hills southeast of Santa Rosa. Comment
  UCR265091  Thysanocarpus curvipes var. curvipes Ann Howald 2015-4-1 3334 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  CHSC22759  Thysanocarpus curvipes var. elegans Robert A. Schlising 1962-3-31 2125 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  CHSC20584  Tiarella trifoliata var. unifoliata Robert A. Schlising; Glenn Keater 1965-5-22 2823 Sonoma California Coast Ranges. North of Occidental about 1 mile. Comment
  POM192688  Tiarella trifoliata var. unifoliata H. P. Bracelin 1930-7-27 21 Sonoma One mile N. of Fort Ross. Comment
  CAS-BOT-BC447598  Tiarella trifoliata var. unifoliata Volney Rattan 1877-6-14 118 Sonoma Guernville Comment
  UC27667  Tonella tenella F. T. Bioletti 1893-4-24 Sonoma Adobe Canyon Comment
  CAS-BOT-BC81457  Torreya californica James McMurphy 1909-5-29 s.n. Sonoma Grade between Geyser Mountain and Black Mountain Comment
  UC1011106  Torreya californica Milo S. Baker 1941-8-4 8592 Sonoma Russian Gulch 15 Comment
  CAS-BOT-BC173708  Torreyochloa pallida var. pauciflora Peter Rubtzoff 1973-9-9 7320 Sonoma Kenwood Marsh. Comment
  SEINET7295150 Image available Torreyochloa pallida var. pauciflora A. S. Hitchcock 1908-1 2702 Sonoma Sherwood Comment
  SD254493  Toxicoscordion fontanum Ann Howald 2015-1-30 3311 Sonoma North Coast: Coastal terrace, ca. 3.0 miles southeast of Del Mar Point. 99 Comment
  UC32606  Trichostema lanceolatum Alice King Sep 1896 Sonoma Healdsburg Comment
  UCR50512  Trichostema laxum L. F. LaPre 1987-6-28 s.n. Sonoma North Coast Ranges, Cadd Fire Trail, off Unocal Ridge Road, 2 mi. west of Socrates Mine, near Lake county line 976 Comment
  SEINET11993489  Trientalis latifolia F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -201 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 800 Comment
  SEINET11996903  Trientalis latifolia F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -274 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC166758  Trifolium Peter Rubtzoff 1974-4-17 7375 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC290683  Trifolium Peter Rubtzoff 1983-8-28 9684 Sonoma Austin Creek ca. 0.5 miles north of Hwy. 116 on Cazadero Road. Comment
  CAS-BOT-BC376224  Trifolium Greg de Nevers No date on label 10840 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC173533  Trifolium Peter Rubtzoff 1974-5-19 7440 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC173636  Trifolium Peter Rubtzoff 1974-5-18 7426 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA784996  Trifolium Peter Rubtzoff 1974-5-26 7495 Sonoma Todd road 1.5 mi from Hwy and 0.5 mi from W of Llano Road Comment
  UCSC010633  Trifolium R. Morgan 2014-5-12 5637 b Sonoma Bodega Head Comment
  UCSC010635  Trifolium R. Morgan 2014-5-12 5637 d Sonoma Bodega Head Comment
  UC1541590  Trifolium albopurpureum var. dichotomum H. E. and S. T. Parks 1930-5-9 621 Sonoma Knights Valley Comment
  UCSC011040  Trifolium appendiculatum R. Morgan 2005-5-14 4423 A Sonoma Seed originally from one or two plants in Santa Rosa Comment
  UC630839  Trifolium barbigerum P. B. Kennedy June, 1915 Sonoma Del Mar northern part of county Comment
  JEPS65920  Trifolium barbigerum var. andrewsii V. Blackney April 1929 Sonoma betw Trenton and Mark West Mt. Oliver School; Santa Rosa Comment
  CAS-BOT-BC361336  Trifolium ciliolatum Greg de Nevers 1997-4-25 10978 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1299170  Trifolium ciliolatum Freed W. Hoffman 1946-3-6 1858 Sonoma above Quicksilver Mine (near Guerneville); North Coast Ranges Comment
  UCD108327  Trifolium depauperatum Caitlin Lewis; William Mutch 1993-4-17 4 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain. 1 mile. Near visitor center. 365 Comment
  RSA54041  Trifolium depauperatum var. amplectens J. T. Howell 1948-4-18 24206 Sonoma Hills east of Agua Caliente. Comment
  SEINET7075559  Trifolium depauperatum var. depauperatum 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
  UCD108381  Trifolium depauperatum var. depauperatum Christine Lee 1993-4-24 91 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 Hillside Trail. 411 Comment
  UCSC005278  Trifolium depauperatum var. hydrophilum Randall Morgan 1995-5-18 2617 Sonoma Santa Rosa, Stony Point Road, across from Yuba Drive Comment
  UCR141952  Trifolium dichotomum Beecher Crampton 1967-5-15 7927 Sonoma Coast Range, Lytton, Alexander Valley 122 Comment
  UC1026471  Trifolium dubium Peter Rubtzoff 1951-7-14 439 Sonoma near Forestville (s half of lower marsh, near hwy); Pitkin Marsh 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
  UC16556  Trifolium gracilentum H. N. Bolander 1864-4-17 3804 Sonoma bank of Santa Rosa Creek Comment
  UCD143708  Trifolium grayi Beecher Crampton 1955-4-5 2407 Sonoma 2 miles west of Fulton, along Woolsey Road. Comment
  RSA120928  Trifolium incarnatum Milo S. Baker 1957-05 13175 Sonoma Santa Rosa. Hwy 101 near S. F. State College. Comment
  SEINET12165542  Trifolium incarnatum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -158 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd., between Jimtown & Mercuryville 120 Comment
  SEINET12165545  Trifolium incarnatum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -198 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd., between Jimtown & Mercuryville 690 Comment
  SEINET6793641 Image available Trifolium incarnatum Sally Walker 1993-1 Sonoma Mill Station Road, Sebastopol Comment
  UCD111243  Trifolium incarnatum Michael A. Vincent; Ethan H. Freid 1998-4-7 8170 Sonoma Cloverdale. Along S. Cloverdale Blvd., just of Rt. 101 exit. Comment
  UCD111309  Trifolium macraei Mary M. Hektner 1976-5-10 255 Sonoma Along ocean bluff below Sea Ranch Association Office; Unit 36 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC16619  Trifolium microcephalum H. N. Bolander 1864-1 3852 Sonoma Russian River Bed Comment
  UCD111423  Trifolium microcephalum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 63 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 259 Comment
  CAS-BOT-BC368099  Trifolium microdon Greg de Nevers 1998-5-12 11246 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS85900  Trifolium obtusiflorum Jack and Betty Guggolz 1991-7-29 1218 Sonoma 2 mi n Camp Meeker (Upper Duvoul Creek) 121 Comment
  UCD109385  Trifolium subterraneum Curtis Daehler; Ngan Lu 1993-5-8 271 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
  CDA15868  Trifolium tomentosum Ann Howald 2000-4-19 2037 Sonoma North Coast Biodiversity Arena; Annadel State Park. Marsh Trail, E side of Ledson marsh, about 0.1 mi. S of inters. of Marsh & Lawndale Trails. 359 Comment
  UC631044  Trifolium willdenovii P. B. Kennedy 1915-5-28 Sonoma Del Mar 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
  RSA13534  Trifolium willdenovii H. E. Parks 1930-5-9 621 Sonoma Alexander Valley. Comment
  UCSB31788  Trifolium willdenovii Townsend, J. 1977-5-29 Sonoma West side Russian River, about 0.5 miles south of Guerneville 335 Comment
  UCD139897  Trillium albidum M. Wiesendanger 1927-5-5 272 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC520841  Trillium albidum J. D. Freeman; R. F. Freeman 1967-5-6 574 Sonoma Steep moist bluff at confluence of two ravines on Skaggs Springs Rd. about 10 mi. W of its Jct. with Dry Ck. Rd.; W of Geyserville 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
  UC1057438  Trillium chloropetalum G. Thomas Robbins 1937-3-26 27 Sonoma creek along rd. e. of Bodega Bay Comment
  SEINET12050382  Trillium ovatum F. H. Utech 1988-1 88 -216 Sonoma Salt Point, along CA 1 between Jenner and Stewart's Point, mile marker 38.39 75 Comment
  SEINET3888776  Trillium ovatum D. W. McNeal 1976-4-3 1883 Sonoma Beside the Occidental-Monte Rio Rd., 3.0 mi. n. of Occidental.; 0 Comment
  CHSC57521  Triphysaria eriantha subsp. rosea John Hale 1990-4-10 18 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
  JEPS19396  Triphysaria versicolor subsp. faucibarbata G. Thomas Robbins 1938-4-15 262 Sonoma along road to Graton 6-7 mi w Santa Rosa Comment
  JEPS75301  Triphysaria versicolor subsp. faucibarbata John E. Moeur 1971-4-17 4 Sonoma along Rainville Road 8 mi nw Petaluma Comment
  UC194181  Triphysaria versicolor subsp. faucibarbata Michener and Bioletti 1893-6-7 Sonoma Kenwood Comment
  UC673454  Triphysaria versicolor subsp. faucibarbata H. L. Mason 1928-4-8 4297 Sonoma in fields near Sebastopol Comment
  UC27195  Triphysaria versicolor subsp. faucibarbata State Survey 1800-1 6574 Sonoma Coast n Noyo; Coast n of Noyo Comment
  CAS-BOT-BC200113  Trisetum canescens Roxana S. Ferris; Laura Lorraine 1961-6-14 13533 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  UC1133278  Trisetum canescens H. S. Yates 1936-5-16 5609 Sonoma 1 mi nw Mountain View School; Sebastopol Quad. 91 Comment
  UCD93310  Trisetum canescens A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3566 Sonoma 10.2 miles northeast of Santa Rosa on road to Calistoga. Comment
  UCR141951  Trisetum canescens Beecher Crampton 1955-6-17 2931 Sonoma North Coast Range, 3.3 miles west of Forestville, along State Highway 116 ['12'] 61 Comment
  UCR280141  Trisetum canescens Peter Rubtzoff 1971-6-25 6570 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  UC3278  Triteleia hyacinthina Michener and Bioletti May 1893 Sonoma Kenwood Comment
  CAS-BOT-BC522366  Triteleia hyacinthina Peter Rubtzoff; H. A. Froebe 1971-5-30 6463 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mile west of Arnold Drive Comment
  CAS-BOT-BC522373  Triteleia hyacinthina G. DeNevers; S. Kaza 1981-5-7 974 Sonoma 10510 Old Redwood Hwy. 2 miles NW of Windsor exit from 101, vernal pool meadow, vacant lot by Healdsburg Rent-All Comment
  CAS-BOT-BC523027  Triteleia hyacinthina Wayne Roderick 1967-5-20 s.n. Sonoma NW edge of Santa Rosa 45 Comment
  RSA41933  Triteleia hyacinthina H. C. Cantelow 1938-5-1 749 Sonoma Shellville Road about 25 miles north of Ross Comment
  SEINET7067336  Triteleia laxa A. G. Vestal 1947-5-16 s.n. Sonoma About 6.7 miles East of Windsor on Mendocino Avenue. Coordinate datum: NAD27. UTM Zone 10, 523728mE, 4258330mN. Comment
  CAS-BOT-BC527043  Triteleia laxa John Thomas Howell 1931-6-15 6689 Sonoma Near Sebastopol Comment
  CAS-BOT-BC527966  Triteleia peduncularis John Thomas Howell 1937-6-6 13037 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC527973  Triteleia peduncularis Peter Rubtzoff 1951-6-2 107 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC527979  Triteleia peduncularis Peter Rubtzoff 1965-6-20 5562 Sonoma Freestone Marsh Comment
  CAS-BOT-BC527980  Triteleia peduncularis Peter Rubtzoff 1972-6-29 5562 Sonoma Laguna Chileno Valley Comment
  UC1126331  Umbellularia californica C. M. Belshaw 1936-3-7 1551 Sonoma 2 mi s of Occidental 121 Comment
  UC9879  Umbellularia californica Schmidt Sonoma Sonoma County Comment
  SEINET12090183  Umbellularia californica W. Knight, Knight, I. 1981-1 3963 Sonoma 2.3 mi up Cavedale Road from junction of State Route #12 Comment
  CAS-BOT-BC403974  Urtica dioica subsp. gracilis Peter Rubtzoff 1954-8-2 1624 Sonoma Duncans Mills Marsh Comment
  SEINET5887385 Image available Urtica dioica subsp. gracilis L. S. Rose 1964-1 64056 Sonoma Ca 5 ft end of Bodega Bay Comment
  CAS-BOT-BC404235  Urtica dioica subsp. holosericea Peter Rubtzoff 1960-9-17 4566 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) Comment
  CAS-BOT-BC404244  Urtica dioica subsp. holosericea Peter Rubtzoff 1965-9-5 5633 Sonoma Forest Hills (5.5 miles east of Guerneville) Comment
  CAS-BOT-BC404224  Urtica dioica subsp. holosericea Peter Rubtzoff 1958-8-17 3890 Sonoma Laguna de Santa Rosa sourtheast of Graton (near Guerneville Road) Comment
  CAS-BOT-BC193381  Vaccinium ovatum Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma North of Fort Ross Comment
  CAS-BOT-BC193382  Vaccinium ovatum Mary P. Wells 1985-10-4 680 Sonoma New road to semi-pygmy forest south of Gualala River Comment
  CAS-BOT-BC76167  Vancouveria planipetala Rimo Bacigalupi 1926-4-30 1376 Sonoma Cazadero. Comment
  RSA121716  Vancouveria planipetala H. S. Yates 1936-5-16 5614 Sonoma 1 mile NW of Mountain View School. 91 Comment
  UC1126304  Vancouveria planipetala H. S. Yates 1936-5-16 5614 Sonoma 1 mi nw Mountain View School; Sebastopol Quad., nw of Mountain View School Comment
  UCR23387  Vancouveria planipetala John C. Roos 1957-7-2 6647 Sonoma Miller Ridge Comment
  CAS-BOT-BC135768  Veratrum fimbriatum Elizabeth Eaton Morse 1936-8-30 s.n. Sonoma Gualala River Comment
  CAS-BOT-BC320526  Verbascum Peter Rubtzoff 1973-8-29 7289 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. 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
  UC614828  Verbascum thapsus Beryl O. Schreiber 1932-4-3 204 Sonoma Mount Saint Helena Comment
  UCD158729  Verbascum virgatum Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca. 2 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 853 Comment
  CAS-BOT-BC166741  Veronica americana Peter Rubtzoff 1960-6-9 4481 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC166808  Veronica americana Peter Rubtzoff 1959-6-20 4172 Sonoma Willow Creek Marsh. Comment
  JEPS27321  Veronica americana Eleanor Armstrong 1932-5-25 514 Sonoma 5 mi w of Graton (Schlackly Flat); Schlackly Flat 91 Comment
  RSA786488  Veronica americana Peter Rubtzoff 1962-5-11 4813 Sonoma Freestone Marsh Comment
  CAS-BOT-BC164360  Veronica arvensis Peter Rubtzoff 1959-6-20 4147 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC267246  Viburnum ellipticum Greg de Nevers 1987-5-11 8177 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC540814  Vicia Peter Rubtzoff 1973-8-27 7265 Sonoma Upper Green Valley Marsh area. Comment
  UCSB22472  Vicia sativa subsp. nigra McCarthy, Sharon 1965-4-17 Sonoma In field west of 5th Street West, opposite Betancourt Street intersection, Sonoma 25 Comment
Read comments
Jul 28 2008
  UCSB22471  Vicia sativa subsp. sativa McCarthy, Sharon 1965-4-17 Sonoma in field West of 5th St. West opposite Betancourt St. intersection, Sonoma 10 Comment
  CAS-BOT-BC361421  Vicia tetrasperma Greg de Nevers 1993-7-4 10471 Sonoma Willow Creek drainage downhill from 18375 Willow Creek Rd. 243 Comment
  CAS-BOT-BC270248  Viola adunca Peter Rubtzoff 1977-11-26 9147 Sonoma On E side of Highway 1 ca 1.5 miles NW of junction of the road to Fort Ross State Historic Park Comment
  UC1763357  Viola adunca Milo S. Baker 1898-4-4 5507 Sonoma near Sea View Comment
  UC1763362  Viola adunca Milo S. Baker 1898-3-15 5502 Sonoma near Sebastopol Comment
  SEINET6176299  Viola adunca James Faro 1962-4-22 23 Sonoma Ocean Cove Ranch, about 4 miles north of Fort Ross on Highway 1.; 0 Comment
  UCD110667  Viola adunca subsp. adunca Jo Nixon 1951-3-24 5 Sonoma Along Highway 1, 5 miles N of Bodega Bay. Comment
  UC1763296  Viola douglasii Milo S. Baker May 1906 5518 Sonoma near Melita (Santa Rosa Golf Links, Peach Flat) Comment
  UC1763347  Viola douglasii Milo S. Baker 1905-4-15 5515 Sonoma Santa Rosa Golf Links, Peach Flat Comment
  RSA80501  Viola lobata subsp. integrifolia Milo S. Baker 1942-6-11 10205 Sonoma Summit of Spring mtn, road near boundary between Sonoma and Napa Cos. Comment
Read comments
Jun 10 2012
  UC1761472  Viola ocellata Milo S. Baker 1898-4-3 991 Sonoma between Cazadero and Guerneville Comment
  UC1762400  Viola ocellata Edith Hessel 1927-4-18 Sonoma Mill Creek Comment
  POM179744  Viola pedunculata A. A. Heller, H. E. Brown 1902-4-23 5357 Sonoma Near Sonoma. Comment
  UC1763350  Viola pedunculata Milo S. Baker Apr 1899 5540 Sonoma Petaluma road to the coast Comment
  UC1742248  Viola rafinesquei Milo S. Baker Apr 1934 7705 Sonoma Brookside Garden Comment
  CHSC26275  Viola sempervirens P. Kunst 1977-4-12 25 Sonoma Ca. 3 ft to sw of Coleman Valley Rd and 0.8 mi w of Occidental. 207 Comment
  RSA412784  Viola sempervirens Christopher Davidson 1977-6-20 6038 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  SEINET3825247 Image available Viscum album Stanley Rose 1966-1-2 Sonoma 1 miles from Sebastopol on Gravenstein Highway North Comment
  CAS-BOT-BC203133  Vitis californica James McMurphy 1907-9-27 s.n. Sonoma Mark West Creek Comment
  UCD17547  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma 5 miles N on Upper Lake Highway, E of Ukiah. Near first highway bridge. Comment
  CAS-BOT-BC371450  Vulpia Greg de Nevers 1998-6-10 11282 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  CAS-BOT-BC199907  Vulpia bromoides Peter Rubtzoff 1958-5-10 3639 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Road) Comment
  CAS-BOT-BC312705  Vulpia bromoides Peter Rubtzoff 1960-5-22 4404 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  JEPS45825  Vulpia bromoides Eleanor Armstrong 1932-5-25 175 Sonoma 3 mi w Santa Rosa 45 Comment