Search Results — 2000 specimen records retrieved (1266 records with coordinates)
(That's the default maximum. Contact Jason Alexander for larger data requests.)

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

Mapping Options:

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

Download Options:
Select all records · Select records with coordinates

Include annotations and voucher information

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

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

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

Click on column header to sort data (* sorts by family); click in leftmost checkbox to select record. CCH Help Page.
Turn on yellow flags to show possible range discrepancies. Read more ...
? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC177032  Acacia dealbata Walter Knight; Irja Knight; John Thomas Howell 1984-10-12 s.n. Sonoma Trinity Road 457 Comment
  UCD112508  Acaena pinnatifida var. californica P. G. Connors 1991-6-27 185 Sonoma Bodega Marine Laboratory. Bodega Head and Dunes. Near Horseshoe Cove. Comment
  RSA788832  Acer macrophyllum Carrie A. Herd 1982-3-14 17 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  CAS-BOT-BC336943  Acer negundo var. californicum A. A. Heller; H. E. Brown 1902-4-15 5303 Sonoma Santa Rosa Creek Comment
  CAS-BOT-BC336945  Acer negundo var. californicum Peter Rubtzoff 1951-9-2 715 Sonoma Pitkin Marsh near Forestville, south of the Upper Marsh Comment
  UCD128330  Achillea millefolium G. V. Morejohn 1954-5-23 36 Sonoma at roadside, between Petaluma and Dillon Beach. Comment
  RSA452609  Achlys triphylla Christopher Davidson 1977-6-20 6029 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  CAS-BOT-BC166735  Achyrachaena mollis Peter Rubtzoff; H. A. Froebe 1971-5-30 6478 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UC88432  Achyrachaena mollis W. E. Bryant Sonoma Healdsburg Comment
  CAS-BOT-BC29161  Achyrachaena mollis Mrs. H. C. Cantelow 1936-5-3 1248 Sonoma Near Shellville Comment
  UCD148449  Achyrachaena mollis Peter Rubtzoff 1963-6-18 5180 Sonoma Bennett Mountain Lake. Comment
  SD56752  Acmispon americanus Darley F. Howe 1963-7-2 Sonoma 0.9 mile north of junction with Highway 12 on Highway 1. 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
  UCD161313  Acmispon brachycarpus James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3714 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  UCD104090  Acmispon brachycarpus Patti Togioka; R. Waraich 1993-5-8 207 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail about 2 air miles S of Bald Mtn. 365 Comment
  OBI12975  Acmispon glaber var. glaber Robert F. Hoover 1964-9-8 9289 Sonoma Timber cove Comment
  UCD103760  Acmispon junceus var. biolettii Frederica Bowcutt 1984-6-23 448 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg on the Sonoma County coast. West of Highway 1, approx. 1/3 mile north of Gerstle Cove. 15 Comment
  POM40150  Adenocaulon bicolor Marcus E. Jones 1903-4-18 s.n. Sonoma Duncans Mills Comment
  CAS-BOT-BC139919  Adenostoma fasciculatum Bolander 1877-6-17 s.n. Sonoma Guerneville Comment
  UCD160903  Adiantum jordanii James A. Neilson Jr.; Teresa A. Sholars 1975-6-29 3351 Sonoma Section 10, ca. 2 miles west of the Geysers Resort. (Exact location unknown. Coordinates and elevation estimated by label maker.) 396 Comment
  UC1201284  Adiantum jordanii E. Samuels 230 Sonoma Comment
  UCD137241  Adiantum jordanii C. Wistrom 1996-5-26 36 Sonoma Healdsburg. 1735 Dry Creek Road. 48 Comment
  RSA232868  Aesculus californica L. S. Rose 1968-6-25 68116 Sonoma Rincon Valley, Brush Creek, NE of Santa Rosa. 122 Comment
  UCD136639  Aesculus californica Frederica Bowcutt 1997-7-18 2175 Sonoma Sugarloaf Ridge State Park, about 50 air miles north 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
  UC26063  Agastache urticifolia Michener and Bioletti 1892-7-5 Sonoma Skagg's Springs Comment
  CAS-BOT-BC184  Agoseris apargioides var. eastwoodiae Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC29571  Agoseris apargioides var. eastwoodiae Alice Eastwood 1915-6-29 4847 Sonoma Bodega Point Comment
  UCD160133  Agoseris grandiflora James A. Neilson Jr. 1973-6-7 2945 a Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 365 Comment
  SEINET7067263  Agoseris heterophylla A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  CAS-BOT-BC22785  Agoseris heterophylla G. DeNevers 1981-4-30 902 Sonoma Pepperwood ranch, at the studio Comment
  RSA0065936  Agropyron Greg de Nevers 1989-04 9065 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  RSA0065938  Agropyron Greg de Nevers 1989-04 9067 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  CAS-BOT-BC176402  Agrostis Peter Rubtzoff 1964-5-20 5308 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC210000  Agrostis Peter Rubtzoff 1964-6-24 5368 Sonoma Lower Salmon Creek Marsh. Comment
  RSA785902  Agrostis Peter Rubtzoff 1964-7-14 5403 Sonoma Bennett Mtn. Lake Comment
  RSA785907  Agrostis Peter Rubtzoff 1977-9-4 9130 Sonoma Cunningham Marsh area. Ca 1 air mile WSW of Cunningham Station Comment
  UCD51832  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  RSA298529  Agrostis capillaris Robert A. Norris, John L. Inase, Allen Nakagawa, Carol A. Roberts, Willie J. Roberts, Nelson R. Powers 1982-8-8 4432 Sonoma Sonoma State Beach, near Goat Rock Picnic Area, across mouth of Russian River from Jenner. Comment
  SEINET249772  Agrostis clivicola Beecher Crampton 1957-7-11 4351 Sonoma 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  UCD51975  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach. 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-BC126961  Agrostis exarata Peter Rubtzoff 1951-8-18 622 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC126978  Agrostis exarata R. F. Hoover 1966-7-17 9415 Sonoma Sausal Creek north of Alexander Valley. Comment
  UCD148474  Agrostis exarata Peter Rubtzoff 1964-8-20 5461 Sonoma Americano Creek area, along Petaluma-Valley Ford road near Bloomfield. Comment
  UCD53510  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UC76872  Agrostis hallii Michener and Bioletti 1892-7-5 2256 a Sonoma Skaggs Springs Comment
  UCD52723  Agrostis hallii Beecher Crampton 1957-7-11 4347 Sonoma slopes above Shell Beach, Sonoma Coast State Park, 7.4 miles north Salmon Creek. Comment
  UC1146632  Agrostis microphylla Freed W. Hoffman 1941-6-15 2153 Sonoma near Salt Point (Eckert Ranch); North Coast Ranges, Eckert Ranch Comment
  UC573805  Agrostis microphylla H. S. Yates 1937-5-30 6550 Sonoma 1/2 mi e Occidental; Sebastopol Quad. Comment
  SEINET197664  Agrostis microphylla Leo Koch 1940-4-22 837 Sonoma Sulfur Creek Geysers: grassy hills above Comment
  CAS-BOT-BC138919  Agrostis pallens G. DeNevers 1981-5-30 1402 Sonoma Pepperwood Ranch. 1st Canyons cutting EW on the E slope of Horse Hill. Comment
  UCD53221  Agrostis pallens 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
  UCD53234  Agrostis pallens P. B. Kennedy 1918-5-25 s.n. Sonoma Santa Rosa, Calistoga Road. Comment
  OBI35897  Agrostis stolonifera David J. Keil 1983-6-30 17212 Sonoma Stillwater Cove Regional Park Comment
  UCD53528  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Sonoma County coast: 5 miles south of Steward Point. Comment
  UCD53593  Agrostis stolonifera Mary M. Hektner 1974-6-28 80 Sonoma 6 feet north of Breaker Reach, Unit 21 Owners' Map, Sea Ranch, nera State Highway 1. Comment
  CAS-BOT-BC210112  Aira caryophyllea Peter Rubtzoff 1971-6-5 s.n. Sonoma Intermittent lake off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing. Comment
  UCD55781  Aira caryophyllea Chris Bowen 1974-5-19 136 Sonoma Unit 24 Owners' Map. Sea Ranch. Near Pacific Reach. Near State Highway 1. Comment
  CAS-BOT-BC138210  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1960-5-18 4372 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC138189  Aira praecox Catherine Best 1980-9-18 s.n. Sonoma On the south side of the mouth of the Russian River. Comment
  UCD55144  Alisma lanceolatum Ellen Dean; Tammie Beyerl 2006-4-28 3026 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. At inlet of small reservoir SE of Pepperwood lake reservoir. 163 Comment
  UCR279634  Alisma lanceolatum Peter Rubtzoff 1968-8-31 5953 Sonoma Russian River bottom at Forest Hills, 5.5 mi east of Guerneville 13 Comment
  CAS-BOT-BC445336  Alisma lanceolatum Peter Rubtzoff 1954-7-4 1528 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC445337  Alisma lanceolatum Peter Rubtzoff 1961-6-17 4626 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC445344  Alisma lanceolatum Peter Rubtzoff 1956-9-21 2932 Sonoma Vacation Beach, near (1.5 mi. below) Guerneville. Comment
  SEINET3896060  Alisma lanceolatum Peter Rubtzoff 1954-8-2 1627 Sonoma Austin Creek Marsh.; 0 Comment
  CAS-BOT-BC462391  Allium amplectens Greg de Nevers 1997-5-3 10154 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC462380  Allium amplectens Milo S. Baker 1927-5-7 2124 b Sonoma Adobe Canon Comment
  UCD150550  Allium dichlamydeum P. G. Connors 1991-7-3 193 Sonoma Bodega Marine Laboratory, Bodega Head and Dunes. Comment
  CAS-BOT-BC469101  Allium dichlamydeum Dorothy Scherer 1996-6-3 045 Sonoma 1 mile north of park headquarters, Fort Ross State Historic Park 12 Comment
  SD56754  Allium dichlamydeum Darley F. Howe 1963-7-2 3716 Sonoma 4.2 miles north of junction with #12 on #1. On sea bluff. Comment
  UCD150551  Allium dichlamydeum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-1 s.n. Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS83012  Allium falcifolium Roger Raiche 1984-4-21 40105 Sonoma about 6 mi n Cazadero (headwaters of Big Austin Creek); The Cedars 243 Comment
  CDA18796  Allium triquetrum G. Bjork 2000-3-14 PDR 022581 Sonoma Copperfield Court, Santa Rosa 0 Comment
  UC972352  Allium unifolium G. Thomas Robbins 1951-4-24 3387 Sonoma about 3 mi se Santa Rosa; Bennett Valley Comment
  UCD138615  Allium unifolium Jane Justus 1966-5-3 29 Sonoma State Highway 116, 14 miles west of Petaluma. 9 Comment
  UCD141805  Allium unifolium T. C. Fuller 1967-5-19 15884 Sonoma between ditchbank and fence, south side of Petaluma Valley Ford Hwy, 2 miles NW of Two Rock. Comment
  SEINET7220232  Allotropa virgata W. Roderick 1967-6-18 s.n. Sonoma Ida Clayton Rd. NW side of Mt. St. Helena 610 Comment
  CAS-BOT-BC251179  Alnus Peter Rubtzoff 1969-7-21 6118 Sonoma Duncan Mills Marsh. Comment
  CAS-BOT-BC169368  Alnus rubra John Thomas Howell 1934-3-3 11741 Sonoma near Fort Ross Comment
  CAS-BOT-BC169371  Alnus rubra Mary P. Wells; John Madison; Mary Rhyne 1985-11-4 702 Sonoma ca 1/3 mile S of Gualala River at edge of forest Comment
  SJSU6045  Alopecurus aequalis C. W. Sharsmith 1972-6-24 7799 Sonoma Forestville Marsh c. 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  CAS-BOT-BC138044  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1951-6-10 200 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower marshes. Comment
  CAS-BOT-BC137903  Alopecurus saccatus Peter Rubtzoff 1968-6-20 5894 Sonoma 6.5 miles northeast of Penngrove on Lichan Road. 426 Comment
  CAS-BOT-BC137905  Alopecurus saccatus Peter Rubtzoff 1968-6-20 5894 Sonoma 6.5 miles northeast of Penngrove on Lichan Road. 426 Comment
  RSA0045167  Alopecurus saccatus Greg de Nevers 1993-5-8 10439 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Weimar vernal pool. 91 Comment
  UCD33095  Alopecurus saccatus Beecher Crampton 1966-5-10 7726 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  RSA234563  Amaranthus californicus Peter Rubtzoff 1963-8-24 5240 Sonoma Laguna de Santa Rosa east of Graton Comment
  RSA126163  Amaranthus hybridus J. T. Howell 1946-8-17 s.n. Sonoma Cunningham Comment
  OBI35909  Ambrosia chamissonis David J. Keil 1983-6-29 17190 Sonoma Doran Beach County Park, Bodega Head Comment
  UC891354  Ambrosia psilostachya Milo S. Baker 1932-1-1 6025 Sonoma 3 mi s, towards Napa Sonoma Comment
  UC1127783 Image available Amelanchier utahensis E. Armstrong 1934-3-26 942 Sonoma 3 mi e Camp Meeker; Sebastopol Quad. 91 Comment
  UCD158732  Amelanchier utahensis Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Along Big Sulphur Creek. Ca. 2 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 853 Comment
  CAS-BOT-BC137882  Ammophila arenaria W. M. Hiesey 1945-9-21 551 a Sonoma Bodega sand dunes. Comment
  UC400144  Amorpha californica var. napensis Ynes Mexia 1929-6-2 2390 Sonoma canyon near Mark West Springs Comment
  CAS-BOT-BC222279  Amsinckia John Thomas Howell 1934-3-25 11775 Sonoma Lakeville Comment
  NY380649  Amsinckia nigricans A. A. Heller 1902-5-27 5614 Sonoma Bodega Bay Comment
  UCD117551  Anagallis arvensis Rene Westbrook 1976-4-15 16 Sonoma California: Bodega Head. Comment
  CAS-BOT-BC137790  Andropogon virginicus var. virginicus H. S. Yates 1937-8-22 6865 Sonoma 2 miles southeast of Forestville. 30 Comment
  SD109160  Angelica californica Joseph M. DiTomaso 1980-6-13 1592 Sonoma 4900 Trinity Road, between Glen Ellen and Oakville Comment
  UC1299243  Angelica tomentosa Freed W. Hoffman September 1947 1388 Sonoma near Guerneville (North Coast Ranges, Quicksilver Mines); North Coast Ranges, Quicksilver Mines Comment
  UCD126257  Angelica tomentosa Frederica Bowcutt 1997-7-20 2204 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood, 1 air mile S of Red Mountain. Edge of service roade just SW of group campground. Adobe Canyon near trailhead to Meadows Trail. 396 Comment
  CAS-BOT-BC271435  Anisocarpus madioides Rimo Bacigalupi 1926-5-2 1392 Sonoma Cazadero Comment
  CAS-BOT-BC271433  Anisocarpus madioides G. DeNevers 1981-5-23 1305 Sonoma In canyon leading to Redwoods from Devils Kitchen Hill, Pepperwood Ranch Comment
  UCD128892  Anisocarpus madioides Botany 102 Students 1993-5-8 205 Sonoma Sugarloaf Ridge State Park, about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon. Comment
  POM187931  Anthemis cotula Marcus E. Jones 1931-7-5 29120 Sonoma The Geysers. Comment
  UC1084476  Anthemis cotula G. Thomas Robbins 1937-6-18 245 Sonoma Santa Rosa Santa Rosa Creek Comment
  UCD148386  Anthemis cotula Peter Rubtzoff 1956-9-14 2895 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCR218639  Anthemis cotula George K. Helmkamp, E. A. Helmkamp 2010-6-4 16219 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  CAS-BOT-BC102231  Anthemis cotula W. & I. Knight 1984-8-26 5423 Sonoma Willow Creek Road 60 Comment
  CDA6810  Anthemis cotula T. C. Fuller 1961-10-13 7108 Sonoma Highway 101, 2 miles south of Asti. 0 Comment
  CAS-BOT-BC137688  Anthoxanthum odoratum Peter Rubtzoff 1960-5-16 4348 Sonoma Duncans Mills Marsh. Borderland of the marsh. Comment
  UCD167561  Anthoxanthum odoratum James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. 1/2 mile west of Black Hawk Ranch on Squaw Creek. (Exact location unkown. Coordinates estimated by label maker. Black Hawk Ranch location not found. Location georeferenced at the end of Ottobani Ridge between Big Sulphur Creek and Squaw Creek because neilson collected in that area on 18 June 1976.) Comment
  UCR25609  Anthoxanthum odoratum John C. Roos 1938-6-20 1524 Sonoma Between Santa Rosa and Sonoma Comment
Read comments
Feb 9 2010
  UCD56277  Anthoxanthum odoratum Beecher Crampton 1957-7-22 4362 Sonoma 8 miles north of Stewart's Point, Bishop Pine grove along State Hwy. 1. Comment
  RSA47825  Anthriscus caucalis L. Beane, L. James 1949-5-11 1985 Sonoma 3 miles east of Hopland Comment
  UCD126271  Anthriscus caucalis Frederica Bowcutt 1994-6-12 1859 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. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  UC444960  Antirrhinum vexillocalyculatum subsp. breweri Milo S. Baker 1907-6-28 Sonoma near Duncan's Mills (Russian River); Russian River Comment
  CHSC42269  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 329 Sonoma Healdsburg. On E side of Fitch Mt., just S of resort area on E. side. 45 Comment
  JEPS83376  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 327 Sonoma 5.4 mi up Old Cazadero Road (via Cherry Street) from Hwy 116 (in the town of Guernewood Park); Guernewood Park, Cazadero Quad. (7.5', 1943) 243 Comment
  UC192792  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum unknown 1880-7 Sonoma Petaluma Comment
  CDA41217  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Mike Mason 1977-7-11 PDR# 371779 Sonoma River Road near Guerneville. 0 Comment
  POM188514  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Marcus E. Jones 1931-7-5 28820 Sonoma Cloverdale Comment
  CAS-BOT-BC237924  Antirrhinum virga W. W. Carruth 1901-6-1 s.n. Sonoma Near Cazadero Comment
  CAS-BOT-BC248904  Antirrhinum virga John Thomas Howell 1932-10-9 10813 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  JEPS5287  Antirrhinum virga Willis L. Jepson 1893-9-23 21299 Sonoma Mt. St. Helena Napa River Basin, Mt. St. Helena (just above timber line) Comment
  JEPS127941  Aphyllon californicum subsp. californicum Adam C. Schneider with Will Freyman and Songyi Xu 2016-6-27 945 Sonoma Sea Ranch Lodge, west side of CA Hwy 1. North side of Bihler Point on sea bluffs. Comment
  UC1299575  Apocynum androsaemifolium Freed W. Hoffman 1947-7-29 1418 Sonoma near Guerneville Guerneville (Gabe's Rock); North Coast Ranges, Gabe's Rock Comment
  UC1299405  Aquilegia eximia Freed W. Hoffman 1946-9-26 583 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  CAS-BOT-BC394994  Aquilegia formosa Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  JEPS52998  Arabis blepharophylla Alice Griffin 1928-4-15 Sonoma Bodega Comment
  CHSC69209  Arctostaphylos James D. Jokerst 1989-4-14 3097 Sonoma Healdsburg Area A Specific Plan Study, in project area. Comment
  RSA629202  Arctostaphylos Jon E. Keeley 1993-9-11 24781 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629207  Arctostaphylos Jon E. Keeley 1993-9-11 24793 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629220  Arctostaphylos Jon E. Keeley 1993-9-11 24787 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629221  Arctostaphylos Jon E. Keeley 1993-9-11 24786 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
  UC1388328  Arctostaphylos Freed W. Hoffman 1947-4-3 667 Sonoma near Healdsburg (headwaters of creek); North Coast Ranges, Wild Hog Ridge, Mill Creek Comment
  UC535018  Arctostaphylos H. F. Copeland 1933-3-18 A 13 Sonoma on College Ave. Hwy near Santa Rosa; Vine Hill region Comment
  OBI14769  Arctostaphylos bakeri Robert F. Hoover 1968-2-23 10896 Sonoma Harrison Grade road near summit Comment
  POM209915  Arctostaphylos bakeri subsp. bakeri H. E. Parks, S. T. Parks 1931-3-31 0926 Sonoma Graton Rad near intersection with Tanuda Road (east of Occidental) Comment
  RSA202121  Arctostaphylos bakeri subsp. bakeri Freed W. Hoffman 1947-3-11 823 Sonoma Northeast of Camp Meeker Comment
  RSA240619  Arctostaphylos bakeri subsp. bakeri C. W. Tilforth, John Dourley 1973-7-18 909 Sonoma Graton Rd. 1 mi E of Occidental Comment
  RSA396205  Arctostaphylos bakeri subsp. bakeri F. H. Utech, Walter, Irja Knight 1984-4-18 84 -167 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane. 146 Comment
  RSA70870  Arctostaphylos bakeri subsp. bakeri Alice Eastwood, John Thomas Howell 1939-4-2 7376 Sonoma Near Camp Meeker on road to Monte Rio. Comment
  UCD59423  Arctostaphylos bakeri subsp. bakeri Roger Raiche 1983-9-20 RR 30723 Sonoma Graton Road near intersection with Tanuda Road (east of Occidental). Comment
  CDA42379  Arctostaphylos canescens D. G. Kelch, D. A. Weinstein 2013-1-5 13 .001 Sonoma 3 km east of Sonoma; On ridge between Lovall Valley and Castle Rds. Comment
  RSA622718  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24761 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UCD166539  Arctostaphylos canescens Dylan O. Burge 2016-2-16 2040 Sonoma Gilfillian Vineyard, roadside on Cavedale Road. 400 Comment
  CAS-BOT-BC23972  Arctostaphylos canescens subsp. canescens Walter Knight; Irja Knight 1964-11-15 789 Sonoma Hood's Peak, 1/4 mile down road below Johnson Lake Comment
  CAS-BOT-BC23974  Arctostaphylos canescens subsp. canescens Alice Eastwood 1915-6-5 4567 Sonoma Petrified Forest Comment
  POM203095  Arctostaphylos canescens subsp. canescens J. T. Howell 1933-4-2 10945 Sonoma Rincon Ridge, near Santa Rosa. Comment
  RSA13433  Arctostaphylos canescens subsp. canescens H. F. Copeland 1933-3-18 A- 10 Sonoma Vine Hill region west of Santa Rosa. Comment
  CAS-BOT-BC23927  Arctostaphylos canescens subsp. canescens B. A. Stein 1981-3-8 455 Sonoma Ida Clayton Rd. 1 mi. west of Lake Co. line at turnoff to trout farm. 762 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-BC23889  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1933-4-2 10943 Sonoma Rincon Ridge near Santa Rosa Comment
  UC1120079  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1577 Sonoma 3/4 mi se County Farm; Santa Rosa Quadrangle, Rincon Ridge 152 Comment
  CAS-BOT-BC23643  Arctostaphylos columbiana Mary P. Wells 1981-4-19 s.n. Sonoma Along P.G.&E. right-of-way, no. of unit 27-A The Sea Ranch Comment
  HSC99995  Arctostaphylos columbiana J. P. Smith, , J. O. Sawyer, & R. J. Cole 2009-10-10 12691 Sonoma Salt Point State Park Comment
  CAS-BOT-BC24986  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5770 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC24990  Arctostaphylos densiflora Milo S. Baker 1930-3-1 3882 Sonoma Vine Hill region along highway, Brn. Ranch Comment
  CAS-BOT-BC24992  Arctostaphylos densiflora Milo S. Baker 1929-6-1 3572 Sonoma Near Vine Hill Schoolhouse. Comment
  SBBG28862  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma near Vine Hill School House Comment
  UCD50805  Arctostaphylos densiflora Roman Gankin 1957-11-1 247 Sonoma Vine Hill School Road, 0.1 mile east of junction with Vine Hill Road, ca. 10 miles west of Santa Rosa. Comment
  SEINET11984897  Arctostaphylos densiflora R. Gankin, Hildreth, W. R. 1967-1 1070 Sonoma along Vine Hill School Rd, ca 0.5 mi E of Vine Hill Rd Comment
  SEINET11987288  Arctostaphylos densiflora W. Knight, Knight, I.; Sigg, J.; McClintock, E. 1981-1 3998 Sonoma Strybing Arboretum, San Francisco, originally from Vine Hill District Comment
  SEINET11991012  Arctostaphylos densiflora W. Knight, Knight, I.; Knight, T. 1983-1 4766 Sonoma California Native Plant Society manzanita preserve on Vine Hill School Rd Comment
  JEPS98886  Arctostaphylos glandulosa subsp. cushingiana James Roof 1967-3-19 Sonoma W of Healdsburg (Dorman Canyon Road); Dry Creek watershed 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
  POM181140  Arctostaphylos glandulosa subsp. glandulosa J. T. Howell 1931-3-14 5763 Sonoma Rincon Ridge. Comment
  CDA31299  Arctostaphylos glandulosa var. cushingiana D. G. Kelch, Ed Biffin 2010-5-3 10 .204 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  LA42191  Arctostaphylos manzanita H. F. Copeland; 1933-3-18 A 9 Sonoma Mt Hood, Residence of M. S. Baker, at W base Comment
  RSA633050  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24812 Sonoma Vinehill School Road [near Graton, E of Pitkin Marsh] 90 Comment
Read comments
Feb 9 2014
  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
  RSA96663  Arctostaphylos manzanita P. C. Everett, E. K. Balls 1954-10-20 20374 Sonoma steep, dry, open slopes, 3.2 mi. S of Lake-Sonoma Co. line on road from Middletown to Mt. St. Helena. 671 Comment
  SEINET11990955  Arctostaphylos manzanita Unknown 1983-1 30572 Sonoma N slope Morrison Ridge, Austin Creek State Recreation Area, above Thompson Creek 274 Comment
  SEINET11990956  Arctostaphylos manzanita Unknown 1983-1 30585 Sonoma N slope Morrison Ridge, Austin Creek Recreation Area, above Thompson Creek 274 Comment
  SEINET11993022  Arctostaphylos manzanita W. Knight, Knight, T. 1985-1 5176 Sonoma Lovers' Leap area of John Joost Ranch on Calistoga Road between St. Helena Rd & Porter Creek Rd Comment
  SEINET11996224  Arctostaphylos manzanita J. T. Vale, Wagnon, K. 1989-1 s.n. Sonoma Cavedale Road 305 Comment
  CAS-BOT-BC38946  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1923-5-9 11760 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38922  Arctostaphylos manzanita subsp. glaucescens P. V. Wells; Walter Knight; Irja Knight 1986-1-10 5223 Sonoma Next to Carlton Spridgeon's mailbox on Rockridge Lane, Rincon Ridge, Santa Rosa. Comment
  CAS-BOT-BC38681  Arctostaphylos manzanita subsp. manzanita Roger Raiche 1983-7-31 30572 Sonoma Austin Creek State Recreation Area, North slope Morrison Ridge, above Thompson Creek. 274 Comment
  CAS-BOT-BC38697  Arctostaphylos manzanita subsp. manzanita Aven Nelson; Ruth Ashton Nelson 1933-5-14 549 Sonoma Open woods on the hillsides of Kenwood, Baker's Home Comment
  CAS-BOT-BC38712  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa Comment
  CAS-BOT-BC38714  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1951-9-15 744 Sonoma Open area separating the western branch of the Upper Marsh from the eastern. Comment
  RSA44376  Arctostaphylos manzanita subsp. manzanita L. S. Rose 1949-3-27 49016 Sonoma East of Beltane. 114 Comment
  RSA70859  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 13 Sonoma Vine Hill region on College Avenue Highway, near Santa Rosa. Comment
  UC1084351  Arctostaphylos manzanita subsp. manzanita G. Thomas Robbins 1937-3-25 7 Sonoma 8-10 mi e Santa Rosa (n-facing slope of canyon); Santa Rosa Creek Canyon Comment
  UC1388364  Arctostaphylos manzanita subsp. manzanita Freed W. Hoffman 1946-10-25 1240 Sonoma headwaters of creek near Healdsburg; Palmer Creek 304 Comment
  UC480591  Arctostaphylos manzanita subsp. manzanita Carl Meyer 1928-3-3 303 Sonoma Santa Rosa Comment
  UCD52048  Arctostaphylos manzanita subsp. manzanita Frederica Bowcutt 1996-2-25 2065 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa; about 1 air mile NNW of Bald Mtn. (elev. 2275'); just N of Meadow Trail. 693 Comment
  POM209914  Arctostaphylos patula H. F. Copeland 1932-3-18 A- 4 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  CAS-BOT-BC47301  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 11 Sonoma Spring Mountain Rd., about 8 mi. e. of Santa Rosa. 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
  JEPS98844  Arctostaphylos stanfordiana unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  LA42281  Arctostaphylos stanfordiana H. F. Copeland; 1933-3-18 A 6 Sonoma Rincon Ridge, near Santa Rosa Comment
  LA88609  Arctostaphylos stanfordiana Robert F. Thorne; 1965-4-20 34344 Sonoma top of Parker Hill, N end of Parker Hill Rd, ca. 3 mi. N of Santa Rosa 243 Comment
  RSA380886  Arctostaphylos stanfordiana Roger Raiche 1982-4-10 RR- 20301 G Sonoma King Ridge Rd. (4.5 mi. n. of jct. with Ft. Ross Rd.) about .7 mi. in from King Ridge Rd. on Old Layton Mine Road. On topo map area is called The Cedars. North of Cazadero. Comment
Read comments
Oct 17 2013
  RSA636823  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24744 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC535020  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 11 Sonoma Spring Mountain Rd about 8 mi e Santa Rosa Comment
  UC549546  Arctostaphylos stanfordiana J. E. Adams 1934-3-10 638 Sonoma Mt. St. Helena Comment
  UCD162184  Arctostaphylos stanfordiana D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1522 Sonoma Hooker Creek watershed. 520 Comment
  UCD53847  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 686 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road; 3.1 miles east of junction with State Highway 12. Comment
  UCD53850  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 691 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road; 3.1 miles east of junction with State Highway 12. Comment
  SEINET11994912  Arctostaphylos stanfordiana W. Knight, Knight, I. 1987-1 6081 Sonoma Devil's Kitchen in vicinity of Pepperwood Preserve 244 Comment
  SD73202  Arctostaphylos stanfordiana subsp. bakeri Darley F. Howe 1969-6-8 4635 Sonoma 3.8 mi. E of Occidental 274 Comment
  JEPS83499  Arctostaphylos stanfordiana subsp. decumbens Jack and Betty Guggolz 1986-2-22 847 Sonoma Sones-Finley properties Comment
  JEPS95227  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  JEPS98845  Arctostaphylos stanfordiana subsp. decumbens unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  SBBG28529  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A 11 Sonoma Spring Mtn Rd, ca. 8 mjiles E of Santa Rosa Comment
  RSA202120  Arctostaphylos stanfordiana subsp. stanfordiana Freed W. Hoffman 1947-4-13 782 Sonoma Magnesite Lodge, Gilliam creek, near Guerneville. Comment
  RSA523854  Arctostaphylos stanfordiana var. repens Jack Guggolz, Betty Guggolz 1986-1-12 839 Sonoma Just outside the Conservation Easment, at the end of Bluesage Court in the Southridge Development. Comment
  UC549526  Arctostaphylos uva-ursi J. E. Adams 1934-6-9 824 Sonoma McNamee's Store Comment
  RSA177958  Arctostaphylos viscida R. F. Thorne 1965-4-20 34383 Sonoma Charles Newman's Place up Los Alamos Rd., on Rincon Ridge. 396 Comment
  UC101569  Arctostaphylos viscida subsp. pulchella Alice Eastwood 1900-2-22 Sonoma Mt. St. Helena Comment
  UC1220419  Arctostaphylos viscida subsp. pulchella J. A. Delapp 1962-3-10 62 Sonoma 4.1 mi ne Cazadero; Quad 61D-$, Gilliam Creek 167 Comment
Read comments
Mar 7 2016
  POM209633  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
  CAS-BOT-BC400488  Aristolochia californica Peter Rubtzoff 1987-3-15 9756 Sonoma Russian River at Forest Hills, 5.5 mi. east of Guerneville. Off Summerhome Park Road 0.2 mi. from (west of) Forest Hills Road Comment
  UCR11341  Armeria maritima L. L. Williams 1971-5-13 s.n. Sonoma Near Stewarts Point AT jct of only paved road going inland in immediate area of about 5 mi Hwy 1 34 Comment
  RSA40726  Armeria maritima subsp. californica E. K. Balls, Percy C. Everett 1953-10-9 18602 Sonoma 0.7 mi NW of Salmon Creek, Hwy 1 between Bodega Bay and Jenner, Sonoma Coast State Park. 15 Comment
  SEINET7067267  Armeria maritima subsp. californica A. G. Vestal 1947-5-13 s.n. Sonoma North of Salmon Creek. Coordinate datum: NAD27. UTM 10, 494344mE, 4245376mN. Comment
  UCD98503  Armeria maritima subsp. californica Ross Swenerton 1966-4-16 22 Sonoma On hill overlooking ocean, Duncan's Landing. 15 Comment
  CAS-BOT-BC82561  Arnica discoidea Greg de Nevers 1996-6-17 10833 Sonoma CYO camp south of Occidental on Bohemian Hwy. 121 Comment
  RSA0056430  Arnica discoidea Greg de Nevers 1998-6-15 11285 Sonoma CYO Camp on Bohemian Highway. Comment
  UCD164250  Arrhenatherum elatius Peter Rubtzoff 1979-8-5 9302 Sonoma Freestone Marsh area; along Bohemian Highway at Freestone Flat Road junction, southeast of Freestone marsh. Comment
  SEINET14286772  Arrhenatherum elatius D. Keil 1983-1 17210 Sonoma Stillwater Cove Regional Park Comment
  UC730026  Asarum caudatum Leo F. Koch 1940-4-16 788 Sonoma Near road at east entrance to Coleman Valley West of Occidental 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
  JEPS15217  Asclepias solanoana Rimo Bacigalupi with G. T. Robbins and Freed Hoffman 1956-5-30 5662 Sonoma near Layton Chromite Mine (headwaters of creek, vicinity of The Cedars); Big Austin Creek 266 Comment
  JEPS128365  Aspidotis californica Roger Raiche 2009-4-30 029 .09 Sonoma The Cedars. Lower Russian River, East Austin Creek watershed. Comment
  UC399500  Aspidotis densa Michener and Bioletti March 1893 Sonoma Hood's Peak Comment
  UCD158841  Aspidotis densa James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2914 Sonoma North central part of Section 15, 0.25 mile south of Harness Camp and 2 miles west of The Geysers . (Elevation estimated by label maker using Google Earth.) 723 Comment
  UCD67616  Aspidotis densa D. Sanchez-Mata; P. Rodriguez Rojo 1996-8-9 s.n. Sonoma Camp Meeker-Monte Rio. Dutch Bill Creek. Open cypress forests (Cupressus sargentii) in serpentine and andesitic rocks. 800 Comment
  CAS-BOT-BC157688  Asteraceae Peter Rubtzoff 1969-6-15 6085 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UC424775  Astragalus breweri Milo S. Baker 1929-4-16 3512 b Sonoma near Alpine Sch. H.; near Alpine Sch. H. Comment
  UC19232  Astragalus gambelianus Michener and Bioletti June 1893 Sonoma Hood's Peak Comment
  OBI49330  Astragalus gambelianus Michener & Bioletti, Bioletti June1893 s.n. Sonoma Sonoma, Hood's Peak Comment
  CAS-BOT-BC66146  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1957-6-28 3384 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC66156  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  UCR248352  Atriplex prostrata Peter Rubtzoff 1958-9-20 3996 Sonoma Laguna de Santa Rosa, northeast of Gratton (0.5 mi. north of Guerneville Road) 27 Comment
  SEINET11933365  Atriplex suberecta W. Knight, Knight, I.; Edwards, S. W. 1984-1 5053 Sonoma In pastureland along Willow Creek between Donman Flat and Corona Road Comment
  UCD144426  Avena barbata Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1789 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Campground S of Sonoma Creek approx. 125 yds. 1/4 mile NW of confluence with Rattlesnake Creek. 350 Comment
  CAS-BOT-BC145717  Avena fatua A. A. Heller 1902-4-9 5251 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  UCR244598  Avena fatua Peter Rubtzoff 1972-5-25 6766 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC145722  Avena fatua David L. Morgan 1956-6-15 s.n. Sonoma Approximately 2.5 miles southwest of Petaluma on the San Antonio Road. Comment
  CAS-BOT-BC68343  Azolla filiculoides Peter Rubtzoff 1955-4-30 1812 Sonoma Forestville Marsh Comment
  CAS-BOT-BC154150  Baccharis douglasii Peter Rubtzoff 1974-8-4 7798 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC154996  Baccharis douglasii Peter Rubtzoff 1955-9-10 2130 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC154997  Baccharis douglasii Peter Rubtzoff 1958-8-23 3915 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC98798  Baccharis douglasii Peter Rubtzoff 1951-8-4 581 Sonoma Pitkin Marsh, near Forestville - south of the Upper Marsh Comment
  RSA94308  Baccharis douglasii Peter Rubtzoff 1951-8-4 575 Sonoma Open area between the Upper and Lower marshes Comment
  UCD148380  Baccharis glutinosa Peter Rubtzoff 1955-9-10 2129 Sonoma Guerneville Marsh. Comment
  UCR279608  Baccharis glutinosa Peter Rubtzoff 1955-9-24 2148 Sonoma Duncan Mills Marsh, upper portion of marsh 9 Comment
  UCD148379  Baccharis glutinosa Peter Rubtzoff 1955-9-24 2147 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC99588  Baccharis pilularis Alice S. M. McKenzie 1980-11-28 s.n. Sonoma Coast between Russian and Gualala Rivers. Beside Calif. State Hwy. #1 in Russian Gulch, E side of gulch Comment
  CAS-BOT-BC99592  Baccharis pilularis Carl B. Wolf; E. R. Johnson 1934-10-13 6181 Sonoma 2 4/10 mi. no. of mouth of Russian River 60 Comment
  CAS-BOT-BC99594  Baccharis pilularis Peter Rubtzoff 1951-11-24 846 Sonoma open area separating the western branch of the Upper Marsh from the eastern; Pitkin Marsh, near Forestville Comment
  CHSC110163  Baccharis pilularis subsp. pilularis Scott Sundberg; Linda Hardison 1986-9-15 3259 Sonoma 1 mi N of Bodega Bay, common along sea cliff near Hwy. 101. Comment
  HSC2223  Baccharis pilularis subsp. pilularis C. B. Wolf, E. R. Johnson 1934-10-13 6181 Sonoma 2 4/10 miles N of mouth of Russian River Comment
  LA203024  Baccharis pilularis subsp. pilularis C. B. Wolf; E. R. Johnson 1934-10-13 6181 Sonoma 2.4 mi. N of mouth of Russian River 60 Comment
  CAS-BOT-BC16693  Barbarea orthoceras A. A. Heller; H. E. Brown 1902-3-20 5106 Sonoma Near Windsor. Comment
  UCR254839  Barbarea orthoceras Greg de Nevers 1993-4-6 10356 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Creek, along Franz Valley Road by Franz Valley School Road 168 Comment
  JEPS97716  Beckmannia syzigachne Annetta M. Carter 1934-4-29 508 Sonoma 1 mi. W of Two Rock Junction on rd. to Tomales. Comment
  RSA13556  Beckmannia syzigachne H. P. Bracelin 1930-7-27 20 Sonoma One mile N. of Fort Ross. Comment
  UCD56788  Beckmannia syzigachne Hursh 1919-8-14 X 3245 Sonoma Healdsburg. Comment
  SEINET10514173  Beckmannia syzigachne A. Arthur Heller 1902-6-7 Heller 5650 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CHSC8136  Bellis perennis K. Henegar 1969-5-10 99 Sonoma 200 yds S of Schooner Gulch on Highway 1. 3 1/2 m S of Point Arena. 67 Comment
  CAS-BOT-BC106388  Bellis perennis John H. Thomas 1976-6-16 18292 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  OBI35842  Bellis perennis David J. Keil 1983-6-29 17206 Sonoma Ca 10 mi SE of Ft Ross along Hwy 1 Comment
  CAS-BOT-BC290722  Bidens frondosa Peter Rubtzoff 1961-8-24 4712 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  RSA0015633  Bidens frondosa Peter Rubtzoff 1958-9-27 4012 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. N of Guerneville Road). Comment
  JEPS54478  Bidens laevis Rimo Bacigalupi 1967-8-30 9311 Sonoma in central part of upper Pitkin Marsh (just below (s of) confluence of two upper (n) arms, very close to) 45 Comment
  JEPS86324  Blennosperma bakeri Jack and Betty Guggolz 1988-2-18 900 Sonoma Kovatch property Comment
  JEPS86325  Blennosperma bakeri Jack and Betty Guggolz 1988-2-23 901 Sonoma Kovatch property, n side of San Miguel Road, 1/10 m w of Walzer Rd Comment
  RSA800149  Blennosperma bakeri Peter Rubtzoff, Nancy Harrison, Walter Lennon 1974-5-11 7391 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  SEINET3074489  Blennosperma bakeri M. S. Baker 1946-1 Sonoma Comment
  UC963901 Image available Blennosperma bakeri Milo S. Baker 1946-3-28 11307 Sonoma western outskirts of Sonoma in a hog wallow 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
  NY30994  Blennosperma bakeri L. S. Rose 1949-3-27 49015 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
  RSA0008304  Blennosperma bakeri R. C. Bacigalupi, Ornduff, L. R. Heckard 1964-3-25 8924 Sonoma Along (east of) Arnold Dr., 0.7 miles north of its junction with Hwy 37, south of Sonoma Comment
  NY31011  Blennosperma californicum A. A. Heller 1902-3-14 5064 Sonoma Near Windsor Comment
  POM54940  Blennosperma nanum A. A. Heller, H. E. Brown 1902-3-14 5064 Sonoma Near Windsor Comment
  RSA41980  Blennosperma nanum Ella Dales Cantelow 1941-4-18 3590 Sonoma 2 miles north of Windsor. Comment
  CAS-BOT-BC154956  Boisduvalia Peter Rubtzoff 1971-7-23 6613 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC154957  Boisduvalia densiflora Peter Rubtzoff 1962-6-19 4919 Sonoma Occidental Marsh Comment
  RSA94293  Boisduvalia densiflora var. densiflora Peter Rubtzoff 1951-8-5 600 Sonoma Pitkin Marsh near Forestville, western branch of the Upper Marsh Comment
  CAS-BOT-BC28178  Bolboschoenus fluviatilis Peter Rubtzoff 1962-7-6 4798 Sonoma Laguna de Santa Rosa, near Trenton, S of Woolsey Rd. Comment
  JEPS79509  Botrychium multifidum Edward Lee 1974-6-8 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC371427  Boykinia occidentalis Greg de Nevers 1996-6-10 10830 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Mark West Creek below Leslie Creek 400 Comment
  UCD102603  Boykinia occidentalis Frederica Bowcutt 1994-7-5 1940 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 S edge of Sonoma Creek just upstream from confluence with Bear Creek. Immed. E of Goodspeed Trail Bridge over Sonoma Creek. N of Adobe Canyon Road about 60 ft. 225 Comment
  CAS-BOT-BC36619  Brassica nigra Dorothy Scherer 1996-4-19 032 Sonoma East of Highway 1 and south of Fort Ross Creek. Fort Rose State Histroric Park. 51 Comment
  CAS-BOT-BC173643  Brassicaceae Peter Rubtzoff 1970-10-29 6422 Sonoma Marsh in dunes south of U.C. Bodega Marine Laboratory dormitory Comment
  CAS-BOT-BC311816  Briza Peter Rubtzoff 1973-8-29 s.n. Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA239698  Briza maxima Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1096 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  SBBG21223  Briza maxima B. Crampton 1954-4-26 Sonoma 2 mi N of Geyserville, US Hwy 101 Comment
  UC1010999  Briza maxima Virginia Bufford 1935-5-31 70 Sonoma Green Valley School Comment
  CAS-BOT-BC145286  Briza minor Peter Rubtzoff 1962-6-13 4900 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC145287  Briza minor Peter Rubtzoff 1956-9-11 2852 Sonoma Vacation Beach, near Guerneville. Margin of a pool on Russian River bottom. Comment
  CAS-BOT-BC145299  Briza minor John H. Thomas 1966-5-8 11602 Sonoma 1.4 mile west of Napa-Sonoma county line. Along road between Calistoga and Santa Rosa. 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
  UC750810  Briza minor Charles B. Heiser Jr. 1946-5-19 1753 Sonoma near Duncan Mills; Russian River Comment
  RSA22248  Briza minor Leo Koch 1938-4-21 82 Sonoma Hayfield along Redwood Highway about four miles north of Santa Rosa Comment
  RSA41901  Briza minor Ella Dales Cantelow 1936-5-9 1367 Sonoma 3 mi. S. of El Verano Comment
  UCD161243  Brodiaea elegans subsp. elegans James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3707 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC486538  Brodiaea elegans subsp. elegans Marcus E. A M Jones 1882-7-7 s.n. Sonoma St. Lawrence Comment
Read comments
Apr 7 2018
  JEPS27993  Brodiaea stellaris Rimo Bacigalupi with L. R. Heckard 1961-6-9 7746 Sonoma ca. 0.75 mi. n.w. Occidental School (along Stoetz Lane ca. 1/2 mi. n.w. of its junction w/ Harrison Grade rd.) 228 Comment
  UC1300937  Brodiaea terrestris subsp. terrestris Helen K. Sharsmith 1963-5-25 5474 Sonoma Two Rock to Tomales road (w edge of Sonoma County); San Francisco Region 91 Comment
  CAS-BOT-BC486462  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1951-6-30 288 Sonoma Uppermost part of the western branch of the Upper Marsh, near the edge of a thickett Comment
  SBBG12947  Brodiaea terrestris subsp. terrestris A. I. Richardson 1961-6-17 22 Sonoma overlooking ocean, near Timber Cove, N of Ft Ross Comment
  SBBG33935  Bromus carinatus L. S. Rose 1962-4-18 62024 Sonoma 1 mi NW of Freestone 76 Comment
  UCD36637  Bromus carinatus Beecher Crampton 1955-6-8 2831 Sonoma Sonoma County, at Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  UCD58258  Bromus carinatus Collector unknown 1941-6-1 Sonoma Santa Rosa. Veteran's Park. Comment
  UCD58317  Bromus carinatus var. californicus P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa. Calistoga. Petrified forest road. Comment
  UCR248935  Bromus commutatus Peter Rubtzoff 1976-6-18 8652 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC155668  Bromus diandrus Peter H. Raven 1950-4-6 1577 Sonoma Cotati to Santa Rosa. 45 Comment
  CDA36961  Bromus diandrus 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
  UCD58587  Bromus diandrus Chris Bowen 1974-5-18 s.n. Sonoma Unit 24 Owner's Map. Sea Ranch, near State Highway 1. Comment
  UCR248893  Bromus diandrus Peter Rubtzoff, H. A. Froebe 1971-5-30 6459 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive 137 Comment
  CAS-BOT-BC155248  Bromus hordeaceus Peter Rubtzoff 1959-5-31 4077 Sonoma Freestone Marsh. Comment
  UCD58826  Bromus hordeaceus Beecher Crampton 1957-7-11 4304 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD58771  Bromus hordeaceus var. glabrescens P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa. Calistoga. Petrified forest-road. Comment
  UCD58888  Bromus laevipes H. S. Yates 1937-5-30 6543 Sonoma 3 miles WNW of Graton. 60 Comment
  UCD58934  Bromus laevipes David L. Morgan 1956-6-9 s.n. Sonoma Crane Canyon, on Bennett Valley Rd. 1 mile E of Petaluma Hill Rd. Comment
  RSA126879  Bromus marginatus H. S. Yates 1937-5-31 6566 Sonoma 1 1/2 miles northeast of Petrified Forest. 335 Comment
  CAS-BOT-BC161704  Bromus rubens G. DeNevers 1981-5-23 1300 Sonoma Pepperwood Ranch. North of the Green House. Comment
  UCD126494  Brugmansia sanguinea A. Greive 1941-8-3 s.n. Sonoma Stewart's Point on coast. Comment
  CHSC63902  Cakile maritima John Hale 1990-4-12 21 Sonoma Ca. 30 m. S. of Stockhoff Creek and 22 m. W. of Hiway 1, ca. 5 km NW of Fort Ross. 12 Comment
  UCD114959  Cakile maritima Helen K. Sharsmith 1963-5-25 5499 Sonoma Sand dunes just south of Bodega Harbor. 1 Comment
  CAS-BOT-BC36918  Cakile maritima var. maritima Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma About 2.2 miles north of Bay near mouth of Salmon River. Comment
  CAS-BOT-BC352221  Calamagrostis Peter Rubtzoff; Nancy Harrison 1978-6-11 9217 Sonoma Cunningham Marsh area, along northern tributary of Blucher Creek, ca. 1 air mile WSW of Cunningham Station. Comment
  UC1153826  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma 8.6 mi. s. Stewart's Point (State Hwy. 1) Comment
  UCD37161  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma Sonoma County, Sonoma Coast State Park, 8.7 miles south of Stewart's Point. Comment
  UCD57038  Calamagrostis bolanderi P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCR254900  Calamagrostis crassiglumis Peter Rubtzoff 1966-5-29 5741 Sonoma Pitkin Marsh, near Forestville 38 Comment
  UC768850  Calamagrostis koelerioides R. F. Hoover 1941-5-14 5090 Sonoma 2 mi s Monte Rio (toward Camp Meeker) Comment
  CAS-BOT-BC185124  Calamagrostis nutkaensis David D. Keck 1948-6-29 5929 Sonoma 2 miles north of Fort Ross. 45 Comment
  UC1131348  Calamagrostis nutkaensis H. S. Yates 1937-5-30 6559 Sonoma 2 mi ne Freestone; Sebastapol Quadrangle Comment
  SEINET10521062  Calamagrostis nutkaensis Alan A. Beetle 1945-8-4 Beetle 4012 Sonoma 10 miles north of Fort Ross, open coastal hills, grazed. Comment
  CAS-BOT-BC361342  Calandrinia breweri Greg de Nevers 1997-4-24 10970 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC438613  Calandrinia ciliata Walter Knight; Irja Knight 1963-8-13 168 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC438606  Calandrinia ciliata Peter Rubtzoff 1952-5-10 1026 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west. Comment
  CAS-BOT-BC438607  Calandrinia ciliata Peter Rubtzoff 1952-3-23 885 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west. Comment
  UC1300960  Calandrinia ciliata H. L. Mason 1963-2-24 Sonoma orchard of H. L. Mason Ranch Kenwood Comment
  SEINET9288286  Calendula arvensis Unknown 2000-3-6 20969 Sonoma Sonoma 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
  UCR249031  Callitriche marginata Peter Rubtzoff 1974-4-17 7370 Sonoma Upper Green Valley Marsh Comment
  UCSB45513  Callitriche palustris Roos, John 1957-7-2 Sonoma Miller's Ridge Comment
  UCR249053  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4607 Sonoma Upper Stemple Creek Marsh 21 Comment
  UCR249030  Callitriche verna Peter Rubtzoff 1974-4-6 7348 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC290703  Calochortus Peter Rubtzoff; Nancy Harrison; Dug Jones 1974-6-8 7574 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  JEPS82299  Calochortus amabilis Roger Raiche 1983-6-19 30413 A Sonoma n of Cazadero (the Cedars, above middle fork of Red Slide Creek) 457 Comment
Read comments
Oct 17 2013
  RSA144397  Calochortus amabilis Roxana S. Ferris, Laura Lorraine 1961-6-15 13551 Sonoma On Harrison Grade Road, 0.3 mi from Junction with Green Valley Road. Comment
  SD56795  Calochortus amabilis Darley F. Howe 1963-5-23 Sonoma 3.8 miles north of Cloverdale, on #128. 334 Comment
  UC119765  Calochortus amabilis Michener and Bioletti May 1893 Sonoma Los Guilicos Comment
  UCD139486  Calochortus amabilis C. Wistrom 1996-5-26 23 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  UCD160859  Calochortus amabilis James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3297 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC483280  Calochortus amabilis Aven Nelson; Ruth A. Nelson 1933-5-14 557 Sonoma Kenwood Comment
  RSA177940  Calochortus amabilis Robert F. Thorne 1965-4-20 34360 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  RSA377261  Calochortus amabilis Christopher Davidson 1977-6-20 6016 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  SEINET7042394  Calochortus luteus A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  JEPS82316  Calochortus raichei Roger Raiche 1983-7-10 30490 Sonoma n of Greenville (e end of ridge of Rocky Mt, and w of Blue Rock, above Gray Creek to s and Devil Creek to n); Rocky Mt. 365 Comment
  CAS-BOT-BC494038  Calochortus tolmiei A. A. Heller 1940-5-10 15612 Sonoma West of Slag's Springs on the Stewart Point road. Comment
  UC672142  Calochortus uniflorus Herbert L. Mason 1928-4-13 4327 Sonoma near Petaluma Comment
  UC479413  Calycadenia pauciflora Marcus E. Jones, A. M. 1931-7-5 29125 Sonoma The Geysers Comment
  CAS-BOT-BC270841  Calycadenia pauciflora G. DeNevers 1981-6-27 1703 Sonoma Summit of Franz Valley Road Comment
  CAS-BOT-BC272761  Calycadenia truncata subsp. truncata Greg de Nevers 1990-7-24 9681 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Devils Kitchen 457 Comment
  CAS-BOT-BC91007  Calycanthus occidentalis Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis. Comment
  POM149132  Calycanthus occidentalis A. A. Heller 1902-6-11 5689 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  RSA534717  Calycanthus occidentalis Peter Rubtzoff 1980-5-26 9446 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville. Comment
  SD134014  Calycanthus occidentalis Peter Rubtzoff 1971-9-3 6698 Sonoma Springy area along southeastern border of Spring Creek Reservoir area. Comment
  UC400137  Calycanthus occidentalis Ynes Mexia 1929-6-2 2397 Sonoma near Santa Rosa Comment
  UC72737  Calycanthus occidentalis Miss M. Alice King Jun 1897 Sonoma near Healdsburg Comment
  CAS-BOT-BC91010  Calycanthus occidentalis A. T. Graff 1925-6-7 s.n. Sonoma Trospers. Comment
  UC353894  Calystegia collina subsp. collina Milo S. Baker 1927-5-7 2146 Sonoma Fitzsimmon's Grade , Fitzsimmon's Grade (Adobe Canyon) Comment
  CDA39871  Calystegia collina subsp. oxyphylla T. C. Fuller 1958-5-24 4002 Sonoma 1/2 mile east of Occidental, State Department of Forestry Station. 0 Comment
  RSA394815  Calystegia purpurata J. Russell Bruff 1968-5-1 s.n. Sonoma Bodega Bay. Comment
  UCR198236  Calystegia purpurata Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .272 Sonoma Cavesdale Road 518 Comment
  POM180618  Calystegia purpurata subsp. saxicola J. T. Howell 1930-6-8 5290 Sonoma 8.5 miles N of Bodega Bay Comment
  UCD126166  Calystegia soldanella Mary M. Hektner; Cathy Hendel 1974-7-25 168 Sonoma north of Galleon's Reach, Unit 7 Owner's Map, Sea Ranch, near State Highway 1. Comment
  UCD125687  Calystegia subacaulis subsp. episcopalis Frederica Bowcutt 1996-5-24 2162 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Approx. 1.2 air miles S of Red Mountain. Adobe Canyon just NW of Sonoma/Rattlesnake Creek confluence. 365 Comment
  UCR255884  Camassia quamash subsp. quamash Greg de Nevers 1996-4-18 10790 Sonoma North Coast Range, Knights Valley Marsh, on Bavarian Lion Ranch 137 Comment
  HSC16503  Camissonia ovata F. Demostene 1966-4-3 14 Sonoma 2 mi. E of Healdsburg Comment
  SBBG21139  Camissoniopsis cheiranthifolia subsp. cheiranthifolia V. Haraden 1941-7-13 1 Sonoma Bodega Bay 30 Comment
  CHSC79974  Campanula californica Melissa Brooks; Colette Beaupre 2000-7-20 Sonoma Near Sea Ranch, Ca on Gualala Redwoods, Inc. property, in portion of German Rancho. MDB and M. 60 Comment
  UC1101477  Campanula californica Herbert L. Mason 1946-7-4 12894 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  CAS-BOT-BC266417  Campanula californica Mary P. Wells 1984-8-8 430 Sonoma Deer Trail, The Sea Ranch Comment
  CAS-BOT-BC266422  Campanula californica Carl B. Wolf 1927-9-2 1355 Sonoma 1 mile S of the Gualala RIver on Coast Road Comment
  SEINET10939079  Campanula californica Baker 1941-8-4 Baker 10165 Sonoma Coast Highway, between Fort Ross and Stewart's Point Comment
  OBI4431  Campsis radicans Robert J. Rodin 1968-9-9 8333 Sonoma On an old house in the contry on Ely Rd near Washington Blvd, Petaluma Comment
  UCD114189  Cardamine californica Mary M. Hektner 1976-4-3 236 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD77454  Cardamine californica Robert E. Preston 2001-2-28 1497 Sonoma Ca. 2.5 mi NE of Fort Ross, near Seaview 381 Comment
  UCD114519  Cardamine hirsuta John Thomas Howell 1946-3-31 21589 Sonoma Sonoma. Comment
  UC727777  Cardamine oligosperma Milo S. Baker 1946-4-2 11305 Sonoma ca 1 mi below El Verano (w bank Sonoma Creek); , below El Verano Comment
  CAS-BOT-BC384863  Cardionema ramosissimum John H. Thomas 1976-6-15 18289 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC384865  Cardionema ramosissimum Walter Knight; Irja Knight 1963-8-13 317 Sonoma Horseshoe Cove Comment
  UC796491  Carduus pycnocephalus subsp. pycnocephalus Roxana S. Ferris and Laura Lorraine 1948-6-9 11658 Sonoma about 3/4 of a mi from Mark West Road Franz Valley Road Comment
  CAS-BOT-BC281795  Carduus tenuiflorus Catherine Best 1994-5-1 s.n. Sonoma Bodega Head Comment
  UCD161769  Carex James A Neilson Jr. 1976-5-10 3720 Sonoma Mayacmas Mountains. Aidlin-Gouvea Leasehold. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCR248908  Carex Peter Rubtzoff 1976-5-30 8562 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  UCR280168  Carex Peter Rubtzoff, Nancy Harrison 1978-6-11 9213 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley 35 Comment
  UCR255709  Carex abrupta Peter Rubtzoff 1957-6-28 3376 Sonoma Duncan Mills Marsh 2 Comment
  CAS-BOT-BC353409  Carex abrupta Peter Rubtzoff 1958-6-1 3691 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road. Comment
  UCD140074  Carex amplifolia Frederica Bowcutt 1994-7-5 1934 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 30 feet, 70 ft. S of campfire center along N edge of Sonoma Creek, N and E of campground, just N of bridge to campfire center. 381 Comment
  CAS-BOT-BC18138  Carex athrostachya Peter Rubtzoff 1954-7-4 1532 Sonoma Austin Creek Marsh. Comment
  UCD112447  Carex athrostachya Peter Rubtzoff 1958-5-17 3667 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  UCR248934  Carex barbarae Peter Rubtzoff 1976-5-30 8577 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  CHSC55604  Carex bolanderi James Jokerst 1985-4-26 2269 Sonoma Near Caldwell Ranch. Comment
  UC783  Carex bolanderi J. W. Congdon 1880-5-31 370 Sonoma Santa Rosa Comment
  CAS-BOT-BC34026  Carex brevicaulis Robert F. Thorne 1965-4-19 34321 Sonoma Harrison Grade 0.5 mile east of Stoetz Road. 152 Comment
  UC1227  Carex comosa Jos. Burtt Davy 1896-7-22 Sonoma flats along Russian River near Guerneville; Russian River Comment
  CAS-BOT-BC34422  Carex cusickii Peter Rubtzoff 1951-7-14 434 Sonoma Pitkin Marsh near Forestville. Southern half of Lower Marsh. Comment
  CAS-BOT-BC34424  Carex cusickii Peter Rubtzoff 1951-6-10 189 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  UCR248864  Carex cusickii Peter Rubtzoff 1962-5-25 4841 Sonoma Laguna de Santa Rosa area, northeast of Gratton, near the Laguna Road 30 Comment
  UCR248865  Carex cusickii Peter Rubtzoff 1958-5-17 3678 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  CAS-BOT-BC18983  Carex densa Peter Rubtzoff 1951-6-10 198 Sonoma The Pitkin Marsh, near Forestville. Between the Upper and the Lower Marshes. Comment
  CAS-BOT-BC20482  Carex densa John Thomas Howell 1945-5-30 20891 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC20484  Carex densa Peter Rubtzoff 1951-6-10 206 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  CAS-BOT-BC20498  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Sonoma County Marshes. Stony Point Marsh. Comment
  UC1133350  Carex densa H. S. Yates 1936-5-3 5575 Sonoma 1 mi NE of Petrified Forest 304 Comment
  UC589965  Carex densa H. S. Yates 1936-5-16 5583 Sonoma 1 mi ne Graton; Sebastopol Quadrangle 30 Comment
  UCD151306  Carex densa James A. Neilson Jr. 1974-8-19 2852 Sonoma Mayacmas Mountains. Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  CAS-BOT-BC20475  Carex densa G. DeNevers 1981-4-11 683 Sonoma Pepperwood Ranch. South of 3 Tree Hill. Comment
  CAS-BOT-BC20479  Carex densa Alice Eastwood; John Thomas Howell 1936-5-19 2526 A Sonoma 2 miles north of Cloverdale. Comment
  CAS-BOT-BC20503  Carex densa Peter Rubtzoff 1962-5-30 4853 Sonoma Sonoma County Marshes. Upper Freestone Marsh. Comment
  CAS-BOT-BC20515  Carex densa Peter Rubtzoff 1976-5-30 8575 Sonoma Sonoma County Marshes. Kenwood Marsh. Comment
  CAS-BOT-BC20519  Carex densa G. DeNevers; J. Shumate 1981-7-25 1862 Sonoma Pepperwood Ranch. West of 3 Tree Hill. Comment
  RSA212189  Carex dudleyi L. S. Rose 1939-5-14 39117 Sonoma Bodega. 30 Comment
  RSA0031406  Carex exsiccata Peter Rubtzoff 1955-6-26 1906 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  UCR249912A  Carex feta Peter Rubtzoff 1975-7-3 8147 Sonoma Kenwood Marsh 120 Comment
  POM248554  Carex globosa Alice Eastwood, John Thomas Howell 1939-4-2 s.n. Sonoma Near Monte Rio. Comment
  SEINET10879720  Carex globosa Lewis S. Rose 1971-4-30 Rose 71026 Sonoma 3 mi E of Occidental. Serpentine Hills. 183 Comment
  CAS-BOT-BC28366  Carex gracilior Peter Rubtzoff 1954-7-5 1543 Sonoma Guerneville Marsh. Comment
  UC855  Carex gracilior H. N. Bolander 1866-4-12 4635 Sonoma Comment
Read comments
Apr 5 2008
  CAS-BOT-BC146598  Carex gynodynama Lewis S. Rose 1964-6-3 64053 Sonoma N end of Bodega Bay 1 Comment
  CAS-BOT-BC146612  Carex gynodynama A. A. Heller 1903-4-23 6605 Sonoma Fort Ross Comment
  CAS-BOT-BC422349  Carex gynodynama Peter Rubtzoff 1957-5-4 3310 Sonoma Duncans Mills Marsh. 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
  CAS-BOT-BC311822  Carex lasiocarpa Peter Rubtzoff 1966-6-5 5762 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC31176  Carex lemmonii Peter Rubtzoff 1974-6-8 7572 Sonoma Pitkin Marsh, near forestville. In the southern part of the Upper Marsh, Comment
  CAS-BOT-BC31430  Carex leptopoda Peter Rubtzoff 1951-6-9 164 Sonoma Pitkin Marsh, near Forestville. Forest S of the Upper Marsh. Comment
  RSA0031803  Carex leptopoda Peter Rubtzoff, Nancy Harrison 1974-7-13 7680 Sonoma Upper Green Valley Marsh. Comment
  RSA0034190  Carex leptopoda Peter Rubtzoff 1960-6-7 4459 Sonoma Austin Creek Marsh. Comment
  UCD140482  Carex leptopoda Roxana S. Ferris; Laura Lorraine 1961-6-14 13539 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway. Comment
  JEPS128364  Carex mendocinensis Roger Raiche 2000-5-28 123 .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
  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
  HSC100971  Carex multicaulis Peter Warner 2011-5-26 210 Sonoma Cresta Ranch, (off Mark West Springs Rd. at Mark West Lodge) ~550 m South of Cresta Rd. 265 Comment
  JEPS63674  Carex nudata R. Kuhn 1913-4-18 Sonoma Sonoma Comment
  UC1508  Carex nudata H. N. Bolander Apr 1864 3812 Sonoma Mark West Creek Comment
  CAS-BOT-BC119577  Carex nudata Gregory Clark de Nevers 1981-3-14 528 B Sonoma Pippindale farm, 7 mi NE of Santa Rosa, near Mark West lodge. Comment
  RSA0034042  Carex obnupta Peter Rubtzoff 1964-5-20 5305 Sonoma Brooks Gulch Marsh. Comment
  RSA94274  Carex ovalis Peter Rubtzoff 1952-5-31 1090 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the upper marsh. Comment
  POM230033  Carex pellita J. T. Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh. Comment
  RSA0020343  Carex simulata Peter Rubtzoff 1976-5-30 8561 Sonoma Kenwood Marsh. Comment
  UCD164099  Carex stipata var. stipata Peter Rubtzoff; Nancy Harrison 1978-5-20 9178 Sonoma Cunningham Marsh area, North side of Blucher Creek Valley. Comment
  CAS-BOT-BC115827  Carex subfusca Bolander 3867 Sonoma Russian River Comment
  CAS-BOT-BC350933  Carex tumulicola Peter Rubtzoff 1954-7-5 1541 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC350935  Carex tumulicola Peter Rubtzoff 1957-5-26 3359 Sonoma Occidental Marsh. Comment
  UCR250031  Carex tumulicola Peter Rubtzoff 1957-5-26 3368 Sonoma Duncan Mills Marsh 2 Comment
  UCD140932  Carex tumulicola P. G. Connors 1991-4-11 104 Sonoma Bodega Head and Dunes. Near Lab road and Salmon Creek. BMR 0730N, 4200E. Comment
  JEPS87917  Carthamus lanatus Barbara Ertter, Lincoln Constance 1993-7-10 12099 Sonoma on Rockpile Rd 5 mi beyond pavement (w of Lake Sonoma (road to Annapolis)) Comment
  JEPS35585  Castilleja affinis subsp. affinis L. R. Heckard 1964-6-11 1369 Sonoma 1.5 mi ne Michele Way (along Mark West Springs road, 4.3 mi n of Old Redwood Highway, n of Santa Rosa) Comment
  JEPS57380  Castilleja affinis subsp. affinis L. R. Heckard and T. I. Chuang 1968-6-18 1951 Sonoma 5 mi e old Redwood Highway (on Mark West Springs road about 1 mi w of the lodge) Comment
  JEPS15564  Castilleja ambigua subsp. ambigua Peter Kamb and Francia Chisaki 1950-6-16 1859 Sonoma 1 mi n Sousa Corners (nw of Sebastopol); Pitkin Marsh Comment
  JEPS27377  Castilleja ambigua subsp. ambigua H. W. Grinnell 1933-7-21 Sonoma Bodega Bay, old road Bodega Bay Comment
  UC103162  Castilleja ambigua subsp. ambigua J. W. Congdon 1880-5-24 Sonoma Petaluma Comment
  UCD122118  Castilleja ambigua subsp. ambigua Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-6-19 35 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS19556  Castilleja applegatei subsp. martinii Rimo Bacigalupi with G. T. Robbins and Freed Hoffman 1956-5-30 5667 Sonoma vicinity The Cedars (near Layton Chromite Mine, headwaters of Big Austin Creek); Big Austin Creek 266 Comment
  JEPS128327  Castilleja attenuata Roger Raiche 2000-5-4 073 .00 Sonoma The Cedars. Lower Russian River, Big Austin watershed. Comment
  JEPS9948  Castilleja attenuata W. L. Jepson 1921-5-6 9188 Sonoma Porter Creek 365 Comment
  LA209417  Castilleja campestris M. S. Baker; May 1935 8043 Sonoma ditch along R.R. track, SW of Wright School Comment
  UC65828  Castilleja densiflora subsp. densiflora A. A. Heller 1902-4-18 5307 Sonoma Windsor Comment
  UC1567928  Castilleja foliolosa F. H. Utech 1986-5-13 86 -104 Sonoma ca 3.0 mi ne Cavedale (road from junction with CA Hwy 12) 250 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
  POM15981  Castilleja foliolosa A. A. Heller, H. E. Brown 1902-3-12 5034 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  SEINET12327823  Castilleja foliolosa F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -078 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  JEPS16300  Castilleja minor subsp. spiralis Milo S. Baker 1926-9-26 198 Sonoma Hood Mt. 609 Comment
  JEPS57381  Castilleja subinclusa subsp. franciscana L. R. Heckard and T. I. Chuang 1968-6-18 1952 Sonoma about 2.5 mi e Occidental (along Graton Road) Comment
  JEPS8513  Castilleja wightii Docia Patchett 1918-5-28 Sonoma Black Point Comment
  UC473463  Castilleja wightii John Thomas Howell 1930-6-27 5412 Sonoma 4 mi n Bodega Bay Comment
  RSA133101  Castilleja wightii Peter H. Raven, Richard Snow 1958-7-23 13688 Sonoma 2.6 miles north of Jenner. Comment
  JEPS42276  Ceanothus H. L. Mason 1931-3-8 Sonoma 8 mi w Santa Rosa (between Santa Rosa and Guerneville, near Vine Hill School) Comment
  UCD168053  Ceanothus James Neilson 1978-6-9 3963 Sonoma Mayacmas Mountains, Shell Well Site E. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  CAS-BOT-BC56929  Ceanothus Walter Knight; Steve Edwards 1985-11-17 5185 Sonoma Franz Valley School Road, near old schoolhouse Comment
  CAS-BOT-BC48514  Ceanothus confusus Alice Eastwood 1923-5-9 11749 Sonoma Mt. St. Helena Comment
  UC1071291  Ceanothus confusus C. M. Belshaw 1936-3-8 1571 Sonoma Rincon Ridge, 1 1/2 mi N of County Farm 251 Comment
  UC1520698  Ceanothus confusus R. Raiche 1985-4-6 50178 Sonoma W of Healdsburg (ridge W side of Dry Creek Valley, and N of Dorman Canyon (N as far as Bradford Mt.)); Dry Creek Area Comment
  UC870504  Ceanothus confusus Lewis S. Rose 1940-5-6 40260 Sonoma 4 mi NE of Santa Rosa (Rincon Ridge, type locality) Comment
  UC870630  Ceanothus confusus John Thomas Howell 1937-4-11 12897 Sonoma NE of Santa Rosa (Rincon Ridge) Comment
  CAS-BOT-BC48512  Ceanothus confusus Milo S. Baker 1927-7-3 2332 a Sonoma Cobb Mt. Comment
  SEINET12211234  Ceanothus confusus W. Knight, Knight, I.; Edwards, S. 1985-1 6331 Sonoma Bradford Mt. NW of Healdsburg 762 Comment
  CAS-BOT-BC49153  Ceanothus cuneatus John Thomas Howell 1937-7-4 13068 Sonoma Near Petrified Forest Comment
  UCD160146  Ceanothus cuneatus James A. Neilson Jr. 1974-4-24 2716 Sonoma Mayacmas Mountains, Squaw Creek drainage, at site of geothermal well Ottoboni 17. (Exact location of Ottoboni 17 unknown; this record is georeferenced along Ottoboni Ridge Road in The Geysers; elevation estimated by label-maker). 967 Comment
  UCD112089  Ceanothus cuneatus Frederica Bowcutt 1994-6-25 1911 Sonoma Sugar Loaf Ridge State Park; about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 1.5 air miles north of Kenwood and 18 air miles northwest of Napa. Gray Pine Trail > 0.5 mile north of trailhead on Meadow Trail; east of Sonoma Creek. 445 Comment
  POM136262  Ceanothus divergens A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC64355  Ceanothus foliosus Peter Rubtzoff 1953-5-17 1398 Sonoma Forested hills s. of Guerneville. Comment
  SEINET13945878 Image available Ceanothus foliosus A. A. Heller, H. E. Brown 1902-1 5619 Sonoma Mt. Hood Comment
  CAS-BOT-BC49903  Ceanothus foliosus var. foliosus Walter Knight; Irja Knight 1964-1-18 522 Sonoma Hooker Canyon, Cavedale Road Comment
  SEINET12211455  Ceanothus foliosus var. medius W. Knight, Knight, I. 1985-1 6377 Sonoma Vine Hill School Road 91 Comment
  JEPS49157  Ceanothus foliosus var. vineatus Robert Anderson 1967-4-9 Sonoma e Forestville (Vine Hill district); Vine Hill district 60 Comment
  UC775008  Ceanothus gloriosus var. exaltatus Carl B. Wolf 1941-7-30 11108 Sonoma 8.5 mi s Stewarts Point (at entrance to Salt Point Ranch, along coast.) Comment
  CAS-BOT-BC49944  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6692 Sonoma Two miles north of Sebastopol Comment
  CAS-BOT-BC49950  Ceanothus gloriosus var. exaltatus Milo S. Baker 1931-3-7 s.n. Sonoma About 10 mi. West of Santa Rosa at Frei Ranch Comment
  UC1070747  Ceanothus incanus H. S. Yates 1934-4-21 3782 Sonoma Near Freestone 60 Comment
  CAS-BOT-BC50954  Ceanothus integerrimus James McMurphy 1909-5-29 s.n. Sonoma Grade between Black Mountain and Geyser Mountain Comment
  CAS-BOT-BC50952  Ceanothus integerrimus H. N. Bolander 4721 Sonoma Russian River - Valley Comment
  CAS-BOT-BC50601  Ceanothus jepsonii Catherine Best 1981-4-4 s.n. Sonoma Near Occidental on Stoetz Lane Comment
  CAS-BOT-BC51113  Ceanothus jepsonii Catherine Best 1986-4-1 1170 Sonoma on Stoetz Lane about 2 mi. Northeaset of Occidental Comment
  CDA31017  Ceanothus jepsonii D. G. Kelch, Troy McGregor 2010-8-22 10 .359 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  SDSU10320  Ceanothus jepsonii D. F. Howe 1963-5-23 3531 Sonoma 4.0 miles N of Cloverdale on #128. 335 Comment
  UC1070778  Ceanothus jepsonii C. M. Belshaw 1936-3-7 1554 Sonoma 1 mi ne Occidental; Sebastopol quad. 36 Comment
  UC1614277  Ceanothus jepsonii Charles M. Belshaw 1936-3-7 1554 Sonoma 1 mi. n.e. Occidental Comment
  UC870590  Ceanothus jepsonii Alice Eastwood and John Thomas Howell 1939-4-2 7377 Sonoma near Camp Meeker (on rd to Monte Rio) Comment
  UCD112063  Ceanothus jepsonii Roger Raiche 1985-4-6 RR 50182 Sonoma Dry Cr area nr Healdsburg, ridge w of Dry Cr Vly, unnamed rd n of Dorman Cyn on ridge. 243 Comment
  SEINET12210866  Ceanothus jepsonii W. Knight, Knight, I. 1982-1 4622 Sonoma On serpentine. 2.1 mi from Camp Meeker on Bohemian Highway toward Monte Rio Comment
  RSA396204  Ceanothus jepsonii subsp. albiflorus F. H. Utech, Dick Walter, I. Knight 1984-4-18 84 -165 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane. 146 Comment
  RSA399004  Ceanothus jepsonii subsp. albiflorus Christopher Davidson 1977-6-20 6013 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  UC73365  Ceanothus oliganthus var. sorediatus Milo S. Baker 1898-4-23 27 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC51869  Ceanothus parryi H. E. McMinn 1922-6-7 s.n. Sonoma Near Monte Rio Comment
  UC634610  Ceanothus parryi Rimo Bacigalupi 1926-5-2 1396 Sonoma Cazadero Comment
  UC750534  Ceanothus parryi Lewis S. Rose 1947-5-9 47134 Sonoma Occidental 152 Comment
  UCSB22877  Ceanothus parryi McMinn, H. 1941-4-26 Sonoma North of Guerneville Comment
  LA44884  Ceanothus parryi Henry Reents; 1936-4-4 sn Sonoma Along Rutherford Rd., 2 mi. E. of Glen Ellen Comment
  CAS-BOT-BC52125  Ceanothus prostratus J. Clausen 1933-3-26 740 Sonoma Rincon Range east of Santa Rosa Comment
  UC1299590  Ceanothus prostratus Freed W. Hoffman 1948-5-10 2744 Sonoma e slope Cobb Mountain North Coast Ranges, e slope Cobb Mountain 1219 Comment
  SD88410  Ceanothus sonomensis D. F. Howe 1972-4-28 Sonoma Trinity Road, Mt. Hood Range 395 Comment
  UC1071290  Ceanothus sonomensis J. B. Spring, R. W. Lundh 1932-7-19 104 Sonoma 7/8 mi NW of Los Alamos School 579 Comment
  UC618361  Ceanothus sonomensis John Thomas Howell 1935-5-5 12609 Sonoma Slopes of Trinity Mt. 2 miles E of Glen Ellen Comment
  CAS-BOT-BC52394  Ceanothus velutinus Bell Richardson Jackson 1924-8-1 s.n. Sonoma Mt. St. Helena Comment
  UC1281461  Ceanothus velutinus H. E. McMinn 1936-4-4 4379 Sonoma near R. L. Stevenson Monument; Mt. St. Helena Comment
  CDA33632  Centaurea iberica R. Breckenridge, A. Smith, K. Filippini 2010-7-21 PDR# 1313479 Sonoma Calistoga; La Franchi Ranch, State Hwy 128. 0 Comment
  CAS-BOT-BC277162  Centaurea melitensis Mary P. Wells 1984-5-24 292 Sonoma Annadel State Park, Santa Rosa Comment
  RSA121125  Centaurea solstitialis H. S. Yates 1935-10-3 5341 Sonoma Santa Rosa 53 Comment
  UC579562  Centaurea solstitialis H. S. Yates 1935-10-3 5341 Sonoma Santa Rosa 53 Comment
  CAS-BOT-BC277253  Centaurea solstitialis Walter Knight; Irja Knight 1963-12-27 451 Sonoma Pine Flat Rd. Circle 8 Ranch Comment
  CAS-BOT-BC277255  Centaurea solstitialis G. DeNevers 1981-6-20 1584 Sonoma Pepperwood Ranch. Leslie Creek Comment
  UC30944  Centromadia fitchii Alice King 1897-5-1 Sonoma Healdsburg Comment
  CAS-BOT-BC288809  Centromadia fitchii David D. Keck 1933-11-10 2726 Sonoma 1 mile E of Shellville Comment
  CAS-BOT-BC288814  Centromadia fitchii John Thomas Howell 1930-9-14 5485 Sonoma 6 miles N of Geyserville Comment
  CAS-BOT-BC251309  Cerastium Peter Rubtzoff 1960-5-18 s.n. Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC290705  Cerastium Peter Rubtzoff 1974-5-18 7409 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UC676724  Cerastium arvense Roxana S. Ferris 1940-3-21 9840 Sonoma ca. 1/2 mi. n. Fort Ross (on State Hwy. #1) Comment
  JEPS128183  Cerastium fontanum subsp. vulgare Roger Raiche 2001-3-17 007 .01 Sonoma The Cedars. Near Cabin Site. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC400230  Ceratophyllum demersum Peter Rubtzoff 1955-7-16 1969 Sonoma Bennett Mtn. Lake Comment
  POM203653  Cercocarpus betuloides J. T. Howell 1933-4-2 10938 Sonoma Sonoma Creek Canyon. Comment
  UCD162158  Cercocarpus betuloides D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1512 Sonoma Hooker Creek watershed. 450 Comment
  UC518989  Cercocarpus betuloides var. betuloides J. Clausen 1933-3-25 734 Sonoma Santa Rosa Creek Canyon 182 Comment
  RSA437541  Chamaemelum fuscatum R. C. Bacigalupi 1948-4-4 2870 Sonoma In vineyard, ca. 2 mi. so. of Asti, along US 101 Comment
  RSA79015  Chamaemelum fuscatum P. A. Munz 1952-3-23 17351 Sonoma 0.5 mile among Vines in vineyard, 2 miles S of Asti Vineyard (Italian Swiss Colony). Comment
  CAS-BOT-BC166026  Chamerion angustifolium subsp. circumvagum Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  UC42452  Cheilanthes covillei F. T. Bioletti 1893-3-12 Sonoma Sonoma 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
  UCD166099  Chenopodium Peter Rubtzoff 1971-8-9 6639 Sonoma Laguna, Chileno Valley. Comment
  SEINET11933366  Chenopodium berlandieri var. zschackei W. Knight, Knight, I.; Edwards, S. W. 1984-1 5042 Sonoma Willow Creek between Denman Flat and Corona Road near Petaluma 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-BC499255  Chlorogalum pomeridianum Peter Rubtzoff 1951-7-14 476 Sonoma Pitkin Marsh, near Forestville, uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC191512  Chorizanthe cuspidata var. villosa H. D. Ripley; R. C. Barneby 1945-6-22 6950 Sonoma Bodega Bay 15 Comment
  UCD99673  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-4-6 62077 Sonoma Bodega Point. 30 Comment
  UCD150645  Chorizanthe cuspidata var. villosa Lisa McNair 1974-5-11 80 Sonoma Bodega Bay, just outside the University of California Bodega Marine Laboratory. 6 Comment
  CAS-BOT-BC257024  Chorizanthe membranacea Greg de Nevers 1997-5-12 10996 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  SEINET7067231  Chrysanthemum segetum A. G. Vestal 1947-5-12 s.n. Sonoma About 3 miles east of Bodega Bay. Coordinate datum: NAD27. UTM Zone 10, 500177mE, 4243446mN. Comment
  CAS-BOT-BC30104  Chrysolepis chrysophylla Mary P. Wells; Mary Rhyne; John Madison 1985-11-4 695 Sonoma Forest 1/2 mile south of the Gualala River Comment
  UCD110109  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  UC1119746  Cichorium intybus H. S. Yates 1935-10-3 5345 Sonoma Santa Rosa Santa Rosa Quadrangle Comment
  CAS-BOT-BC285250  Cichorium intybus W. W. Carruth 1900-7-1 s.n. Sonoma Near Healdsburg Comment
  CAS-BOT-BC280001  Cirsium douglasii var. douglasii Alice Eastwood 1915-6-29 4887 Sonoma Bodega Point Comment
  UC178900  Cirsium occidentale var. occidentale Katharine Brandegee 1905-6-25 Sonoma Bodega Comment
  CAS-BOT-BC280364  Cirsium occidentale var. venustum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC280531  Cirsium quercetorum John Thomas Howell 1930-6-8 5247 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC285748  Cirsium remotifolium Greg de Nevers 1997-5-3 10989 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC285756  Cirsium remotifolium W. Knight; I. Knight; Dr. Steve Edwards 1986-6-8 5441 Sonoma Cherry Creek Road W of Cloverdale Comment
  CAS-BOT-BC285757  Cirsium remotifolium Alice Eastwood; John Thomas Howell 1938-7-6 6088 Sonoma Alder Glen Springs Comment
  JEPS35584  Cirsium remotifolium var. odontolepis L. R. Heckard 1964-6-11 1371 Sonoma about 4 mi nw of Cloverdale (along Calif. 28; just beyond Alder Glenn Springs) 213 Comment
  UC91787  Cirsium remotifolium var. odontolepis T. S. Brandegee 1893-6-30 Sonoma Cazadero Comment
  RSA73992  Cirsium remotifolium var. odontolepis M. S. Baker 1931-5-22 5209 Sonoma Bennett Valley Road, south of Weavers. Comment
  CAS-BOT-BC285898  Cirsium vulgare John Thomas Howell 1930-6-8 5286 Sonoma 8.5 miles n. of Bodega Bay Comment
  CHSC27730  Clarkia amoena Coleta Lawler 1978-7-13 297 Sonoma Along Hwy 1, 3.2 to 3.6 miles north of Jenner, near Russian Gulch; on roadcut. Comment
  UC20293  Clarkia amoena Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UC58865  Clarkia amoena unknown 1894-6-27 1087 Sonoma near Bodega Bay (Coast Road) Comment
  CAS-BOT-BC161045  Clarkia amoena subsp. amoena Alva Day 1982-6-1 82 -66 Sonoma Pepperwood Ranch Comment
  UC423079  Clarkia amoena subsp. amoena Miss C. M. Hoak Aug 1912 Sonoma Monte Rio 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
  RSA778735  Clarkia amoena subsp. amoena Ralph Hoffman 1931-7-14 s.n. Sonoma Bay SW of Sonoma Comment
  POM171626  Clarkia amoena subsp. huntiana Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  CHSC41510  Clarkia concinna subsp. concinna R. N. Bowman 1985-5-23 6073 Sonoma .2 miles w of guarded entrance to 'The Geysers' geothermal power generating area on Geysers Resort Rd. 445 Comment
  UC1122374  Clarkia concinna subsp. concinna H. S. Yates 1934-4-21 3805 Sonoma near Bodega; Duncan Mills Quadrangle Comment
  UC20005  Clarkia concinna subsp. concinna Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  CAS-BOT-BC163140  Clarkia gracilis subsp. sonomensis G. DeNevers 1981-6-4 1436 Sonoma On the roadcut by the buckeye tree S of the Garrison Gate Comment
  RSA495968  Clarkia gracilis subsp. sonomensis L. D. Gottlieb 1987-5-29 8722 Sonoma South of Healdsburg, on Eastside Road, 0.7 mile north of Windsor River Road Comment
  UC20329  Clarkia purpurea subsp. quadrivulnera Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UC20370  Clarkia purpurea subsp. quadrivulnera F. T. Bioletti 1892-1 Sonoma Hood's Peak Comment
  CAS-BOT-BC164586  Clarkia purpurea subsp. viminea John Thomas Howell 1937-7-4 13067 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC164587  Clarkia purpurea subsp. viminea Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road 12 miles west of Hwy 101 Comment
  RSA22256  Clarkia unguiculata Blanche Clear 1938-5-28 s.n. Sonoma Alexander Valley toward Geyserville Comment
  SEINET12194280  Clarkia unguiculata F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -196 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 740 Comment
  CAS-BOT-BC439407  Claytonia gypsophiloides A. A. Heller; H. E. Brown 1902-3-16 5073 Sonoma Russian River, near Trenton Comment
  CAS-BOT-BC439415  Claytonia gypsophiloides Alice Griffin 1922-4-1 s.n. Sonoma El Verano Comment
  UC1299360  Claytonia gypsophiloides Freed W. Hoffman 1947-3-9 815 Sonoma ne of Camp Meeker; North Coast Ranges Comment
  UC1299361  Claytonia gypsophiloides Freed W. Hoffman 1947-3-5 811 Sonoma near Guerneville (Gilliam Creek); North Coast Ranges, Gilliam Creek Comment
  UC1587551  Claytonia gypsophiloides K. L. Chambers 1977-3-29 4253 Sonoma 3.7 mi nw Hwy. 128 (Cloverdale to Boonedale rd.) jct. with Hwy. 101 (near Cloverdale) Comment
  CAS-BOT-BC439406  Claytonia gypsophiloides F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  CAS-BOT-BC439413  Claytonia gypsophiloides Hy Edwards; J. P. Moore 1877-3-1 s.n. Sonoma Skaggs Springs Comment
  SBBG106815  Claytonia gypsophiloides K. L. Chambers 1978-4-29 4466 A Sonoma Hwy 128, the Cloverdale to Ft Bragg rd, 3.8 mi W of its jct with Hwy 101 at Cloverdale Comment
  SEINET7075542  Claytonia parviflora 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
  UCR55991  Claytonia sibirica Fran Sibel 1965-5-28 325 Sonoma North Coast, along Gualala River off Hwy 1 and east toward Anapolis 152 Comment
  JEPS61595  Clintonia andrewsiana Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  RSA123629  Clintonia andrewsiana Allison Hastings 1940-4-12 s.n. Sonoma Coast Highway north of Fort Ross. Comment
  JEPS78762  Collinsia sparsiflora var. arvensis L. R. Heckard with Michael Morris 1976-4-26 4235 Sonoma n Guerneville (s side of Gilman Creek near rd running nw of Vista Point and Redwood Lake (ca 3.4 mi from there)); Armstrong Redwoods State Park 182 Comment
  UC672477  Collinsia sparsiflora var. arvensis H. L. Mason 1928-4-8 4298 Sonoma fields near Sebastopol Comment
  RSA780088  Collinsia sparsiflora var. arvensis Lyman Benson 1935-3-31 6406 Sonoma U. S. 101, Healdsburg, North Coast Mt. Range, Russian River Watershed 244 Comment
  UC26647  Collinsia sparsiflora var. collina Alice King Apr. 1897 Sonoma Healdsburg Comment
  POM14840  Collinsia sparsiflora var. sparsiflora A. A. Heller, H. E. Brown 1902-4-11 5268 Sonoma Bodega Bay Comment
  JEPS7299  Collinsia tinctoria W. L. Jepson 1923-6-28 10005 Sonoma near Kenwood (Sonoma Canyon); Sonoma Canyon 243 Comment
  JEPS117066  Collinsia tinctoria Peter Warner 2007-5-12 85 Sonoma Mayacamas Audubon Sanctuary, Pine Flat Road, E of Geyserville; approx. 1/2 km SE of 7-Up (Rebizzo) Ranch, upslope (east) from road on large volcanic outcropping. 457 Comment
  CAS-BOT-BC288969  Conyza floribunda Mary P. Wells 1990-1-3 1027 Sonoma Edge of large parking lot two blocks W of Laguna de Santa Rosa Creek, Sebastapol Comment
  UC845215  Corallorhiza maculata Juanita Charles 1932-4-16 5675 Sonoma along road to Plantation one mi beyond residence of Mr. Charles Comment
  HSC20637  Cordylanthus pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge, E of Santa Rosa 91 Comment
  JEPS20327  Cordylanthus pilosus subsp. pilosus Lewis S. Rose 1956-8-20 56152 Sonoma e Santa Rosa; Rincon Ridge 91 Comment
  RSA114161  Cordylanthus tenuis subsp. brunneus Milo S. Baker 1947-7-15 11866 Sonoma 2 miles NE of Occidental, along Harrison Grade Comment
  CAS-BOT-BC238230  Cordylanthus tenuis subsp. brunneus Steve Edwards 1984-7-22 s.n. Sonoma N. of Duvoul Cr., N. of Camp Meeker, E. of but not far above, Bohemian Hwy. Comment
  SEINET12329991  Cordylanthus tenuis subsp. brunneus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -245 Sonoma end of Stoetz Road 200 Comment
  RSA537660  Cordylanthus tenuis subsp. capillaris T. I. Chuang 1972-7-22 7075 Sonoma 2 miles N of Occidental on Harrison Grade Road Comment
  CAS-BOT-BC290613  Cornus Peter Rubtzoff 1987-7-18 9797 Sonoma Russian River at Forest Hills, ca. 5.5 miles east of Guerneville. Along river, off Summerhouse Park Road, 0.2 miles west of Forest Hills Road. Comment
  CAS-BOT-BC210430  Cornus sericea G. DeNevers 1981-4-25 869 Sonoma Pepperwood Ranch. Mark West Creek and Leslie Creek Comment
  UC1090394  Coronopus didymus Milo S. Baker May 1957 13095 Sonoma Junior College at Santa Rosa, next to Industrial Arts Building Junior College at Santa Rosa; North Coast Ranges, Junior College at Santa Rosa Comment
  UCD59795  Cortaderia jubata Beecher Crampton 1981-11-8 9806 Sonoma North West of Jenner along State Hwy. 1. Russian River. Comment
  CAS-BOT-BC290299  Cotula coronopifolia Walter Knight; Irja Knight 1963-8-13 203 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC427919  Crassula connata Greg de Nevers 1990-3-26 9657 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. 457 Comment
  CAS-BOT-BC143512  Crataegus gaylussacia Lewis S. Rose 1962-6-1 62066 Sonoma 1 mi. nw of Freestone [This locality is near Freestone Marsh] 76 Comment
  UCD18321  Crocanthemum scoparium Frank Chan 1998-11-1 s.n. Sonoma N of city of Sonoma, close to Hogback Mtn. Comment
  CDA37890  Crupina vulgaris CDFA Staff 1991-1 s.n. Sonoma 0 Comment
  CDA4461  Crupina vulgaris G. D. Barbe 1991-5-15 4412 (b) Sonoma Inside western boundary of Annadel State Park, Santa Rosa. Comment
  CDA4479  Crupina vulgaris K. M. Stocking 1976-6-27 Sonoma Southeast of Bennett Valley golf course. City of Santa Rosa land, Santa Rosa . 0 Comment
  CAS-BOT-BC361289  Cryptantha Greg de Nevers 1993-5-6 10433 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa At Weimar Flat 457 Comment
  CAS-BOT-BC376294  Cryptantha Greg de Nevers 1992-4-28 10123 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Found by Double Ponds vernal pool 475 Comment
  UC79259  Cryptantha flaccida Katharine Brandegee May 1890 Sonoma Cloverdale Comment
  UC24715  Cryptantha intermedia H. N. Bolander Apr 1864 3817 Sonoma Mark West Creek Comment
  UC1186500  Cryptantha leiocarpa Peter M. Ray 1952-5-30 2299 Sonoma n of Bodega Head (between Bodega Harbor and the ocean (near harbor just s of the marsh indicated on Bodega Head quadrangle)) Comment
  CAS-BOT-BC85466  Cupressus sargentii David Daniels Keck 1933-11-6 2651 Sonoma 4 mi. N. of Occidental Comment
  CDA11140  Cupressus sargentii G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11551 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Large forest on W facing slope. Trees to 30 ft. Comment
Read comments
Jul 25 2018
  RSA396199  Cupressus sargentii F. H. Utech, Walter, Irja Knight 1984-4-18 84 -166 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane. 146 Comment
  UC1280915  Cupressus sargentii H. E. McMinn 1936-4-5 4405 Sonoma 2 mi n Occidental Comment
  UC567067  Cupressus sargentii Mason 1932-7-19 123 Sonoma 3/5 mi nw Los Alamos School; Santa Rosa Quadrangle 571 Comment
  UCD132950  Cupressus sargentii Frederica Bowcutt 1997-7-18 2187 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  CAS-BOT-BC85456  Cupressus sargentii Milo Samuel Baker 1929-1-2 3383 d Sonoma 2 or 3 mi. north of Mill Cr. Along trail from Cooper's Ranch Comment
  CAS-BOT-BC376333  Cuscuta Greg de Nevers 1996-11-10 10891 Sonoma Just north of Highway 37 opposite Port Sonoma, Lower Ranch. 0 Comment
  RSA223358  Cuscuta campestris Peter Rubtzoff 1968-9-21 5989 Sonoma Petaluma Creek at Stony Point Road 4 miles northwest of Petaluma. Comment
Read comments
Sep 8 2011
  CAS-BOT-BC166912  Cuscuta howelliana Peter Rubtzoff; Nancy Harrison 1976-6-18 8648 Sonoma False Lake Meadow area, Annadel State Park. Comment
  JEPS128250  Cuscuta occidentalis Roger Raiche 2000-7-15 137 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC727760  Cuscuta pentagona Milo S. Baker 1946-8-17 11559 Sonoma The Laguna, at the crossing of the Occidental Rd The Laguna Comment
  UCD144421  Cynodon dactylon Frederica Bowcutt 1996-5-24 2165 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. Along Adobe Canyon Road in front of Bud Getty's house, near service area and coral. 365 Comment
  HSC3650  Cynoglossum grande R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1337 Sonoma Near the Big Geysers Comment
  UCD160150  Cynoglossum grande James A. Neilson Jr. 1974-4-30 2723 Sonoma Mayacmas Mountains. The Geysers. Bruno # 1. (Exact location of Bruno #1 not known by label-maker, but according to Neilson, it is west of Geysers Resort on a north-facing slope near a stream. In the Mayacmas Flora, he indicates it is near 'Old Mercuryville,' which is different than the Mercuryville seen on maps; location and elevation estimated by label-maker) Comment
  SEINET12329972  Cynoglossum grande F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -192 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  CAS-BOT-BC311805  Cynosurus Peter Rubtzoff 1970-8-25 6343 Sonoma On Austin Creek beach, 0.5 miles north of Cazadero. Comment
  SEINET6180923  Cynosurus cristatus Fred W. Hoffman 1943-6-20 2061 Sonoma Eckert Ranch near Salt Point, Sonoma Coast.; 0 Comment
  CAS-BOT-BC190429  Cynosurus echinatus Catherine Best 1984-6-11 s.n. Sonoma At Goat Rock Park. Comment
  CAS-BOT-BC190433  Cynosurus echinatus G. DeNevers 1981-5-5 957 Sonoma Pepperwood Ranch. On the bench south of the Studio. Comment
  CAS-BOT-BC190435  Cynosurus echinatus Mary P. Wells 1984-5-24 268 Sonoma Annadel State Park Santa Rosa. Comment
  JEPS27965  Cynosurus echinatus Rimo Bacigalupi and L. R. Heckard 1961-6-9 7743 Sonoma about 3/4 mi nw Occidental School (just below serpentine area along Stoetz Lane ca 1/2 mi nw of its junction w/Harrison Grade rd, nr reservoir at head North Fork of Lancel Creek); head of North Fork of Lancel Creek 222 Comment
  RSA47614  Cynosurus echinatus Roxana S. Ferris, Laura Lorraine 1948-6-9 11663 Sonoma 11 miles from Geyserville on road to Kellogg. Comment
  UCD60140  Cynosurus echinatus Gerry North 1993-4 47 Sonoma Flora of Sugarloaf Ridge State Park. Ca. 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood and 18 air miles northwest of Napa. At first pullout on right after Goodspeed trailhead, less that 0.2 mile east of park entrance gate. 243 Comment
  UCD60157  Cynosurus echinatus G. F. Hrusa; R. Gross 1999-6-12 15075 Sonoma Foote Ranch, corner of Ida Clayton Rd and Hwy 128, Knights Valley. Comment
Read comments
Aug 15 2010
  CAS-BOT-BC114513  Cyperus eragrostis Peter Rubtzoff 1951-7-14 452 Sonoma Pitkin Marsh, near Forestville. Damp, open area between the Upper and the Lower marshes. Comment
  CAS-BOT-BC114515  Cyperus eragrostis Walter Knight; Irja Knight 1963-10-29 400 Sonoma Roblar Rd. Wet spot near county dump. Comment
  UC127290  Cyperus esculentus Brush and Son 1908-7-24 Sonoma Cloverdale Comment
  CAS-BOT-BC113815  Cyperus niger Freed W. Hoffman 1943-10-26 s.n. Sonoma Russian River, near Guerneville 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
  RSA234557  Cypselea humifusa Peter Rubtzoff 1958-9-20 3991 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mile north of Guerneville Rd.) Comment
  CAS-BOT-BC329230  Dactylis Peter Rubtzoff 1968-7-13 5921 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC189847  Dactylis glomerata Mary P. Wells 1982-8-21 137 Sonoma Salt Point State Park. Comment
  CAS-BOT-BC192272  Danthonia californica G. DeNevers 1981-7-1 1719 A Sonoma On the trail to the Studio. Pepperwood Ranch Comment
  CAS-BOT-BC210134  Danthonia californica Peter Rubtzoff 1958-5-10 3642 Sonoma Laguna de Santa Rosa east of Cunningham, near the Llano road crossing. Comment
  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
  UCD61031  Danthonia californica Gerry North 1993-4 37 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At lower camping area, 50 m E of foot bridge. 365 Comment
  SEINET9367871  Danthonia californica Unknown 1965-5-13 7339 Sonoma Ca. 8.5 mi SE of Geyserville, S end of Alexander Valley, jct of Callistoga (Hwy 128) and Chalk Hill roads. Comment
  UCD60986  Danthonia californica M. Wiesendanger 1927-5-5 710 Sonoma Sonoma Co. Comment
  RSA14422B  Danthonia californica var. americana J. T. Howell 1935-5-5 12611 Sonoma Low hills, 6 miles from Santa Rosa on road to Sonoma Comment
  SEINET4566587  Danthonia californica var. americana B. Crampton 1963-5-27 6811 Sonoma Alexander Valley; State Highway 128, about 8 miles southeast of Geyserville 152 Comment
  SEINET10827987  Danthonia californica var. americana Thomas J. Howell 1935-5-5 Howell 12611 Sonoma Low hills, 6 miles from Santa Rosa, on road to Sonoma. Comment
  UCD127397  Daucus carota R. Tofsrud 1948-6-24 s.n. Sonoma Santa Rosa. Comment
  UCD126489  Daucus pusillus Frederica Bowcutt 1984-6-23 454 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, about 1/2 mile north of Gerstle Cove. 15 Comment
  CAS-BOT-BC293810  Deinandra corymbosa Mary M. Hektner 1975-8-14 223 Sonoma Road cut not far from hedgerow separating Units 28 and 34-A Owners' Map, Sea Ranch, near State Highway 1 Comment
  UCD166347  Deinandra corymbosa Peter Rubtzoff 1954-8-3 1646 Sonoma Bodega Head Marsh. Comment
  UC804504  Delphinium bakeri Milo S. Baker May 1939 9489 Sonoma Coleman Valley, Sonoma Co. Comment
  UC912568  Delphinium hesperium subsp. hesperium Herbert L. Mason 1934-4-28 8088 Sonoma Jensen's Ranch Comment
  CAS-BOT-BC10100  Delphinium luteum John Thomas Howell 1931-4-18 6415 Sonoma Larkspur Rock, near Bodega Bay Comment
  RSA59836  Delphinium luteum Joseph A. Ewan 1935-5-12 9203 Sonoma 2 miles west of Bodega, on Bodega Bay Road Comment
  UC906500  Delphinium luteum Joseph Ewan 1935-5-12 9229 Sonoma Bodega Bay road 1 1/2 mi w Bodega Comment
  SEINET4445145  Delphinium luteum A. A. Heller, H. E. Brown 1902-1 Sonoma Comment
  UC58221  Delphinium nudicaule A. A. Heller 1903-4-23 6604 Sonoma Fort Ross Comment
  UC635362  Delphinium nudicaule H. L. Mason 1930-6-1 5643 Sonoma mouth Gualala River Comment
  UC906492  Delphinium nudicaule J. Ewan 1935-5-12 9234 Sonoma 1/4 mi from road on n side (mouth of creek on ne shore of bay); Bodega Bay, Salmon Creek Comment
  CAS-BOT-BC8014  Delphinium nudicaule Elsa G. Ruckert 1960-3-23 41 Sonoma Triniti Road, 0.75 mi. from junction of Highway 12 243 Comment
  SD88562  Delphinium nudicaule Darley F. Howe 1972-5-3 Sonoma 4 miles north of Ft. Ross Comment
  SEINET12093237  Delphinium nudicaule W. Knight, Knight, I.; Edwards, S. Dr 1986-1 5306 Sonoma Along trail to summit of Geyser Peak. Access from Healdsburg-Geysers Rd 853 Comment
  UCD95886  Delphinium nudicaule Charles B. Heiser Jr. 1946-4-13 1726 Sonoma Above Russian River, 3 miles N. of Jenner. Comment
  CAS-BOT-BC7766  Delphinium variegatum Alice Eastwood 1921-4-24 10320 Sonoma Santa Rosa Comment
  SEINET7067342  Delphinium variegatum A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor. Coordinate datum: NAD27. UTM Zone 10, 522900mE, 4266529mN. Comment
  CAS-BOT-BC7774  Delphinium variegatum Volney Rattan 1878-1-1 s.n. Sonoma Vaca Val. Comment
  CAS-BOT-BC7775  Delphinium variegatum F. H. Utech 1986-5-13 86 -107 Sonoma ca 3.9 mi. NE of Cavedale Road from junction with CA Hwy. 12 250 Comment
  CAS-BOT-BC7764  Delphinium variegatum subsp. variegatum Ella D. Cantelow 1939-4-8 2592 Sonoma South of Shellville Comment
  CAS-BOT-BC7765  Delphinium variegatum subsp. variegatum Ella D. Cantelow 1940-4-6 4273 Sonoma South of Shellville Comment
  CAS-BOT-BC192606  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1951-6-2 95 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC192607  Deschampsia cespitosa subsp. holciformis John Thomas Howell 1945-5-30 20898 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC192613  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1951-6-2 95 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC192615  Deschampsia cespitosa subsp. holciformis David L. Morgan 1960-7-10 s.n. Sonoma Bodega coast 1 mi. south of Carmet Comment
  JEPS45809  Deschampsia danthonioides Eleanor Armstrong 1932-5-18 160 Sonoma 4 mi. w. Santa Rosa 45 Comment
  RSA0059085  Deschampsia danthonioides Greg de Nevers 1997-5-13 10999 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat. 100 Comment
  POM207093  Deschampsia elongata A. A. Heller 1902-6-7 5653 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UC53607  Deschampsia elongata Jos. Burtt Davy July 1896 Sonoma Russian R. below Guerneville; Russian R. Comment
  UCD63561  Deschampsia elongata Beecher Crampton 1955-6-17 2951 Sonoma 4.5 miles S of Cazadero. Comment
  UCD63716  Deschampsia elongata P. B. Kennedy 1916-7-17 Sonoma Del Mar Ranch. Comment
  UCD63734  Deschampsia elongata P. B. Kennedy 1916-7-17 Sonoma Del Mar. Comment
  UCR255732  Deschampsia elongata Greg de Nevers 1996-6-17 10832 Sonoma CYO Camp south of Occidental on Bohemian Highway [2136 Bohemian Hwy, Occidental] 122 Comment
  CAS-BOT-BC208929  Dichanthelium acuminatum subsp. acuminatum P. B. Kennedy 1915-5-31 s.n. Sonoma Annapolis region. Comment
  CAS-BOT-BC254479  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1945-7-18 21322 Sonoma Pitkin Marsh Comment
  UCR131633  Dichanthelium acuminatum subsp. thermale Beecher Crampton 1969-7-14 8493 A Sonoma Coast Range, The Geysers, 12 miles (direct line) east of Cloverdale, north slope of well above Geyser Creek 494 Comment
  UCD110463  Dichelostemma Christopher Mallek 2008-1 s.n. Sonoma Hooker Canyon. 590 Comment
  SEINET12044683  Dichelostemma capitatum J. T. Howell 1931-1 6428 Sonoma 8 m N of Bay Comment
  UCD55137  Dichelostemma congestum Ellen Dean; Tammie Beyerl 2006-4-28 3019 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 179 Comment
  SEINET7040134  Dichelostemma congestum A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  CDA42347  Digitalis purpurea var. alba D. G. Kelch 2012-5-2 12 .063 Sonoma Dry Creek Valley; near Preston Organic Winery along tributary of Dry Creek. Comment
  CAS-BOT-BC210062  Digitaria Peter Rubtzoff 1978-8-12 9250 Sonoma Russian River at Del Rio Beach, ca 2.5 mi. E of Healdsburg on So. Fitch Mtn. Road. Comment
  CAS-BOT-BC210146  Digitaria Peter Rubtzoff 1965-8-16 5597 Sonoma Russian River bottom at Forest Hills (5.5 mi. E of Guerneville). Comment
  UCD64008  Digitaria sanguinalis Milo S. Baker 1942-8-27 10378 Sonoma At Maplewood. Comment
  UCD64156  Digitaria sanguinalis David L. Morgan 1956-9-7 Sonoma Sunnyslope Ave., Petaluma. Comment
  SBBG21355  Diplacus aurantiacus V. Haraden 1941-7-13 Sonoma canyon, ca. 20 mi E of Bodega Bay 304 Comment
  SEINET13682823  Diplacus aurantiacus M. J. Williams 1968-4-6 s.n. Sonoma Trinity Grade. 213 Comment
  UCR30861  Dipsacus sativus John C. Roos 1948-8-29 3962 Sonoma North Coast Ranges, Healdsburg Comment
  SEINET6957403  Dirca occidentalis Lorin I. Nevling 1996-2-17 348 Sonoma Above Salmon Creek Road approximately 2 miles from Bodega, before intersection with Fitzpatrick Lane. Altitude 320 feet. "Western Leatherwood." Comment
  UC1134581  Disporum hookeri H. S. Yates 1934-4-21 3802 Sonoma near Bodega 91 Comment
  UCD64174  Distichlis spicata Beecher Crampton 1959-6-16 5401 Sonoma Doran Park, south end of Bodega Bay. Comment
  RSA17454  Dodecatheon hendersonii Elmer I. Applegate 1934-3-25 8856 Sonoma Sausal Creek, Pine Flat region. Comment
  SEINET12010312  Dodecatheon hendersonii F. H. Utech, Kawano, S.; Ohara, M. 1995-3-26 95 -52 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  RSA66917  Dodecatheon hendersonii subsp. cruciatum E. K. Balls 1951-5-3 16406 Sonoma Maacama (Miyakama) Creek, 2mi. from turn-off to Geyserville, from Petrifird Forest, Hwy 28, 610 Comment
  JEPS14428  Downingia concolor var. concolor W. L. Jepson 1921-5-6 9189 Sonoma Sonoma Valley Comment
  UC726434  Downingia concolor var. concolor A. A. Heller 1941-5-17 16135 Sonoma 2 mi n Windsor (on U.S. Highway 101) Comment
  UCD150850  Downingia concolor var. concolor Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  JEPS3102  Downingia cuspidata F. T. Bioletti 1893-6-10 Sonoma Los Guilucos Valley; ; Los Guilucos Valley, Sonoma Co. Comment
  CAS-BOT-BC154161  Downingia pusilla Peter Rubtzoff 1972-4-23 6728 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC401546  Drosera rotundifolia Peter Rubtzoff 1951-7-8 393 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC401570  Drosera rotundifolia John Thomas Howell 1945-5-30 20906 Sonoma Pitkin Marsh Comment
  LA208036  Drymocallis glandulosa John Thomas Howell; 1930-6-8 5289 Sonoma 8.5 mi. N of Bodega Bay Comment
  CAS-BOT-BC159446  Drymocallis glandulosa var. glandulosa Peter Rubtzoff 1953-5-18 1410 Sonoma Near road from Edendale to Vacation Beach, near Guerneville Comment
  CAS-BOT-BC159447  Drymocallis glandulosa var. glandulosa Peter Rubtzoff 1953-5-18 1410 Sonoma Near road from Edendale to Vacation Beach, near Guerneville Comment
  POM35446  Drymocallis glandulosa var. wrangelliana A. A. Heller 1903-4-25 6598 Sonoma Fort Ross. Comment
  UC58112  Drymocallis glandulosa var. wrangelliana A. A. Heller 1903-4-25 6598 Sonoma Fort Ross Comment
  SEINET3859844 Image available Drymocallis wrangelliana A. A. Heller 1903-4-25 6598 Sonoma Fort Ross.; 0 Comment
  CAS-BOT-BC71022  Dryopteris arguta G. DeNevers 1981-5-9 1081 Sonoma above Redwood Canyon, S of it Comment
  CAS-BOT-BC71024  Dryopteris arguta G. DeNevers 1981-5-9 1088 Sonoma E arm Creek Comment
  RSA120869  Dryopteris arguta Milo S. Baker 1898-2-19 715 Sonoma Hills NE of Santa Rosa Comment
  UC2031938  Dryopteris expansa Wendy A. Born and Barbara Lee 2009-3-23 Sonoma Stillwater Cove Regional Park Comment
  CAS-BOT-BC536737  Duchesnea indica Peter Rubtzoff 1987-5-3 9763 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Weed in shade of trees at 10781 River Drive. Comment
  CAS-BOT-BC411377  Dudleya caespitosa Roxana S. Ferris 1932-5-27 8260 Sonoma N end of Bodega Bay Comment
  CAS-BOT-BC411376  Dudleya caespitosa Carl B. Wolf 1927-9-2 1356 Sonoma 8 miles N of Fort Ross Comment
  JEPS49923  Dudleya farinosa W. L. Jepson 1931-7-19 15941 Sonoma n Salmon Creek (cliffs) Comment
  UCD101918  Dudleya farinosa Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 42 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD98779  Dysphania chilensis H. S. Reed 1948-10-21 2025 Sonoma Sonoma Creek, near Kenwood. Comment
  CAS-BOT-BC210126  Echinochloa Peter Rubtzoff 1971-8-9 s.n. Sonoma Laguna Lake area, Chileno Valley. Comment
  CAS-BOT-BC176371  Echinochloa crus-galli Peter Rubtzoff 1955-9-10 2140 Sonoma East Guernewood, near Guerneville. Comment
  CAS-BOT-BC208551  Echinochloa crus-galli G. DeNevers 1981-9-12 1845 Sonoma Mark West Creek, at its confluence with Leslie Creek, Pepperwood Ranch Comment
  UCD60857  Echinochloa crus-galli Freed W. Hoffman 1941-6-20 2090 Sonoma Oregon Canyon near Camp Meeker. Comment
  UC1011034  Echinochloa crus-pavonis Virginia Bufford 1935-10-13 84 Sonoma Bellevue Rd at Redwood Highway Comment
  UCR74391  Ehrharta calycina Peter G. Connors 1991-5-22 107 Sonoma Bodega Head, Bodega Bay. Bay Flat Road, near Clark Marsh Comment
  UCD61213  Ehrharta erecta P. G. Connors 1992-5-12 252 Sonoma Near Salmon Creek (Miwok Rd.). Comment
  UCD150856  Elatine brachysperma 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
  UCD166256  Eleocharis Peter Rubtzoff 1970-8-18 6313 Sonoma 5 miles north of Sears Point. 11 Comment
  CAS-BOT-BC113730  Eleocharis acicularis Peter Rubtzoff 1951-6-16 s.n. Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  SJSU5984  Eleocharis acicularis C. W. Sharsmith 1972-6-24 7797 Sonoma Forestville Marsh c, 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  CAS-BOT-BC112982  Eleocharis macrostachya Peter Rubtzoff 1951-7-14 471 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC113143  Eleocharis palustris John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC112198  Eleocharis radicans Peter Rubtzoff 1970-9-2 6353 Sonoma Russian River bottom at Mirabel Park Comment
  CAS-BOT-BC213786  Elymus X hansenii G. DeNevers; M. Harding 1981-7-11 1743 Sonoma Pepperwood Ranch Franz Valley Road Comment
  CAS-BOT-BC213787  Elymus X hansenii G. DeNevers 1981-6-15 1515 Sonoma Pepperwood Ranch, 1st road cut on Franz Valley Road Comment
  UCD151300  Elymus elymoides James A. Neilson Jr. 1974-7-25 2982 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 Comment
  UCR42318  Elymus elymoides L. F. LaPre 1985-6-5 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  UCR255679  Elymus glaucus Greg de Nevers 1989-1 9065 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 488 Comment
  JEPS45813  Elymus glaucus subsp. glaucus Eleanor Armstrong 1932-5-19 162 Sonoma 1 mi w Camp Meeker 91 Comment
  UC1146609  Elymus glaucus subsp. jepsonii Freed W. Hoffman 1942-6-30 2118 Sonoma Lone Mountain Farm North Coast Ranges (near Guerneville) Comment
  RSA129555  Elymus glaucus subsp. virescens H. S. Yates 1936-5-17 5624 Sonoma 1.5 miles E of Bodega Port 122 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-BC165906  Epilobium Peter Rubtzoff 1986-9-28 9746 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  UC483680  Epilobium brachycarpum Milo S. Baker 1931-9-13 5565 Sonoma near Kenwood; Clifton Hawkins Ranch Comment
  JEPS44009  Epilobium canum subsp. canum W. L. Jepson 1914-9-19 6193 Sonoma Agua Caliente 91 Comment
  CAS-BOT-BC262961  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1968-8-31 5946 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC268058  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1968-7-20 5923 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC268070  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1685 Sonoma Guerneville Marsh. Comment
  JEPS39299  Epilobium ciliatum subsp. ciliatum Mary Alice King July 1919 Sonoma Van Ness Ranch Mt. St. Helena Comment
  CAS-BOT-BC262990  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1523 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  RSA800039  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1964-8-26 5486 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 Comment
  RSA94339  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1951-7-1 345 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC262950  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-8-10 1681 Sonoma Bodega Head Marsh. Comment
  JEPS43869  Epilobium ciliatum subsp. watsonii Eleanor Armstrong May 1932 523 Sonoma 3 mi n Bodega Bay (swampy locality) 30 Comment
  JEPS38199  Epilobium densiflorum W. L. Jepson 1921-9-8 9431 Sonoma ne Healdsburg (s side of valley); Alexander Valley, Lytton School 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
  RSA41106  Epilobium minutum Robert F. Hoover 1939-4-18 4040 Sonoma Occidental Comment
  CAS-BOT-BC173545  Equisetum Peter Rubtzoff 1973-8-21 7254 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA790976  Equisetum Peter Rubtzoff 1973-9-8 7302 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD165327  Equisetum Peter Rubtzoff 1973-8-21 7254 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC173543  Equisetum Peter Rubtzoff 1970-8-25 s.n. Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC210085  Equisetum Peter Rubtzoff 1963-8-17 5237 Sonoma Russian River Mouth Marsh. Comment
  CAS-BOT-BC57130  Equisetum X ferrissii John Thomas Howell 1951-5-28 27502 Sonoma Eastern branch of the Pitkin Marsh Comment
  UCR255026  Equisetum hyemale subsp. affine Greg de Nevers 1993-5-16 10447 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  CAS-BOT-BC57815  Equisetum laevigatum Mary P. Wells 1984-7-20 389 Sonoma E. bank of s. fork of Gualala River, The Sea Ranch. Comment
  RSA216125  Equisetum telmateia var. braunii Peter Rubtzoff 1954-6-6 1468 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC312697  Eragrostis Peter Rubtzoff 1970-9-2 6357 Sonoma Russian River bottom at Mirabel Park. Comment
  CAS-BOT-BC172570  Eragrostis cilianensis Peter Rubtzoff 1961-8-25 s.n. Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  UC1146673  Eragrostis mexicana subsp. virescens Freed W. Hoffman 1943-9-14 2166 Sonoma near Guerneville; North Coast Ranges, near Guerneville Comment
  UCD64541  Eragrostis pectinacea Keith Wagnon 1940-6-24 269 Sonoma Burbank Gardens, Santa Rosa. Comment
  CAS-BOT-BC284189  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1961-8-25 4720 Sonoma Forest Hills east of Guerneville, Russian River Comment
  CAS-BOT-BC164079  Erechtites glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 miles southeast of Guerneville. Comment
  CAS-BOT-BC291172  Erechtites glomeratus Mary P. Wells 1985-5-26 494 Sonoma 230 Pilot's Reach, The Sea Ranch Comment
  UC567089  Ericameria arborescens J. B. Spring 1932-7-7 97 Sonoma 2/5 mi sw Veader Mountain; Napa Quadrangle 609 Comment
  RSA149838  Ericameria ericoides var. ericoides George W. Barclay 1839-10 3037 Sonoma Bodegas Comment
  CAS-BOT-BC293624  Erigeron biolettii Walter Knight; Irja Knight 1963-10-27 411 Sonoma Spring Mt. Road Comment
  UCD132008  Erigeron glaucus Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 040 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC371470  Erigeron inornatus Greg de Nevers 1993-8-7 10480 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCR254906  Erigeron inornatus Greg de Nevers 1993-8-7 10480 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD15836  Erigeron philadelphicus var. philadelphicus K. Mawdsley 1998-6-30 43 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco. 10 air miles E of Santa Rosa. 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Vista Trail where it crosses tributary of Sonoma Creek. 548 Comment
  CAS-BOT-BC300248  Erigeron reductus var. angustatus G. DeNevers 1981-6-20 1634 Sonoma Pepperwood Ranch. At the Dentist's Lake Comment
  CAS-BOT-BC224150  Eriodictyon californicum Roxana S. Ferris; Laura Lorraine 1961-6-15 13555 Sonoma Green Valley Road 0.8 mi. E of junction with Harrison Grade Road Comment
  SEINET12329981  Eriodictyon californicum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -239 Sonoma end of Stoetz Road 200 Comment
  RSA765540  Eriogonum cedrorum Roger Raiche 2010-7-17 39 .1 Sonoma The Cedars, headwaters of Big Austin Creek, main canyon at Upper Mine (type locality) 378 Comment
  RSA765541  Eriogonum cedrorum Roger Raiche 2010-7-11 36 .1 Sonoma The Cedars, headwaters of Big Austin Creek, Azalea Creek drainage 383 Comment
  JEPS82528  Eriogonum compositum var. compositum Roger Raiche 1984-6-1 40173 Sonoma 2 mi n Camp Meeker (Duvoul Creek where it crosses the Bohemian Highway); Duvoul Creek 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-BC250015  Eriogonum fasciculatum var. foliolosum Dorothy Scherer 1996-9-5 066 Sonoma North side of Fort Ross Rd. at intersection with Hwy 1. Fort Ross State Historic Park 51 Comment
  CAS-BOT-BC259256  Eriogonum latifolium John Thomas Howell 1930-7-27 5413 Sonoma 4 miles north of Bodega Bay Comment
  CAS-BOT-BC259257  Eriogonum latifolium John Thomas Howell 1930-7-27 5414 Sonoma 4 miles north of Bodega Bay Comment
  LA206932  Eriogonum latifolium John Thomas Howell; 1930-6-8 5288 Sonoma 8.5 mi. N of Bodega Bay Comment
  RSA149622  Eriogonum latifolium George W. Barclay 1839-09 3033 Sonoma Bodegas Comment
  UC1084471  Eriogonum latifolium G. Thomas Robbins 1937-6-6 236 Sonoma along roadside near Bodega Bay Comment
  SEINET6894807  Eriogonum latifolium W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma 5 miles north of Fort Ross. Comment
  CAS-BOT-BC259468  Eriogonum luteolum Catherine Best 1981-8-23 s.n. Sonoma Stoetz Lane, 2 m. east of Occidental 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
  UCR80877  Eriogonum luteolum var. luteolum G. Fred Hrusa, G. L. Stebbins, June McCaskill 1993-9-14 11421 Sonoma 3 mi west of Occidental along Coleman Valley Rd. 209 Comment
  UC6383  Eriogonum nudum var. nudum Alice King May 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC261698  Eriogonum nudum var. nudum David L. Morgan 1955-7-28 s.n. Sonoma 5 miles west of Petaluma Comment
  UCD160898  Eriophyllum lanatum James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3286 Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, east Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCSB22550  Eriophyllum lanatum Jensen, Karen 1965-4-15 Sonoma Along Highway 1, about 1 km. south of Bodega 13 Comment
  CAS-BOT-BC301156  Eriophyllum lanatum var. achilleoides L. R. Abrams 1916-7-4 5789 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC301157  Eriophyllum lanatum var. achilleoides Roxana S. Ferris; Laura Lorraine 1961-6-14 13524 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  CHSC52665  Eriophyllum lanatum var. achilleoides James Jokerst 1985-5-29 2384 Sonoma Near Cobb Mountain. 1126 Comment
  UC494110  Eriophyllum lanatum var. achilleoides H. E. and S. T. Parks 1930-5-10 837 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-BC301148  Eriophyllum lanatum var. achilleoides L. Constance 1933-5-20 E 26 Sonoma 1 mile north of Healdsburg Comment
  UC90254  Eriophyllum lanatum var. achilleoides T. S. Brandegee July 1893 Sonoma Russian River Comment
Read comments
Jan 10 2016
  CAS-BOT-BC301286  Eriophyllum lanatum var. arachnoideum Lewis S. Rose 1964-6-3 64057 Sonoma N. end of Bodega Bay 6 Comment
  CAS-BOT-BC301287  Eriophyllum lanatum var. arachnoideum J. Clausen 1935-5-24 1086 Sonoma 5.1 mi. S. of Jenner on the Bodega road Comment
  CAS-BOT-BC301299  Eriophyllum lanatum var. arachnoideum Peter Rubtzoff 1953-11-1 1446 Sonoma South of Guerneville (Neeley Hill area) Comment
  JEPS34507  Eriophyllum lanatum var. arachnoideum M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 233 Sonoma near Guerneville Comment
  UC133116  Eriophyllum lanatum var. arachnoideum Alice Eastwood 1900-9-30 Sonoma Bodega Point Comment
  UCD132186  Eriophyllum lanatum var. arachnoideum Mary M. Hektner; Sue Dakuazku, Cathy Hendel 1974-7-3 112 Sonoma Unit 15 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CDA34792  Erodium botrys Peter Warner 2010-3-29 119 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  UCD103021  Erodium botrys Frederica Bowcutt; Kate Mawdsley 1996-3-24 2071 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air mile south of Red Mountian, just south of Sonoma Creek. 365 Comment
  HSC8505  Erodium brachycarpum F. Demostene 1966-4-5 29 Sonoma 1 mi. W of Healdsburg Comment
  SEINET12183675  Erodium brachycarpum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -247 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  UCD103174  Erodium cicutarium P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CDA28601  Eryngium aristulatum G. F. Hrusa, A. Buckmann (DFG) 1996-10-5 13582 A Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Comment
  UC1365627  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1958-7-19 3769 Sonoma e. Sebastopol (Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  POM161245  Eryngium armatum Rimo Bacigalupi 1928-6-19 1884 Sonoma Mouth of Salmon Creek, 2 miles north of Bodega Bay Comment
  UC202767  Eryngium armatum A. D. E. Elmer July, 1903 4776 Sonoma Petaluma Comment
  UCD38723  Eryngium armatum Beecher Crampton 1957-7-11 4324 Sonoma Sonoma Coast State Park. 0.8 miles north of Salmon Creek. Comment
  UC3610  Erythronium californicum W. A. Setchell 1898-3-15 Sonoma Cloverdale Comment
  SEINET9633973 Image available Erythronium californicum Fred W. Hoffman 1947-4-20 1866 Sonoma Near Mercury, Geysers to Healdsburg. Comment
  CAS-BOT-BC133297  Erythronium helenae F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -199 Sonoma The Geysers, ca 14.0 mi ESE of Preston and US hwy 101 on Geysers Road 800 Comment
  CAS-BOT-BC133296  Erythronium helenae Elmer I. Applegate 1934-3-25 8855 Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 609 Comment
  HSC2186  Erythronium helenae Elmer I. Applegate 1934-3-25 8855 Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 610 Comment
  SEINET3991264  Erythronium helenae Unknown 1934-3-25 8855 Sonoma Headwaters of Sulpher Creek, opposite the old Sonoma quicksilver mine 610 Comment
  CAS-BOT-BC402864  Eschscholzia caespitosa Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy. 3 mi north of Occidental Comment
  RSA177941  Eschscholzia caespitosa subsp. caespitosa Robert F. Thorne 1965-4-20 34361 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  CAS-BOT-BC403706  Eschscholzia californica A. A. Heller; H. E. Brown 1902-4-15 5301 Sonoma Santa Rosa Creek Comment
  SEINET7067266  Eschscholzia californica A. G. Vestal 1947-5-13 s.n. Sonoma North of Salmon Creek. Coordinate datum: NAD27. UTM 10, 494344mE, 4245376mN. Comment
  UCD95274  Eschscholzia californica Chris Bowen 1974-5-19 135 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  CAS-BOT-BC403707  Eschscholzia californica W. M. Hiesey 1948-8-19 s.n. Sonoma 0.2 mi. north of Pigeon Point Lighthouse Comment
  UCSB50224  Eschscholzia californica Gray, John 1976-5-1 Sonoma Bluffs on Duncan's Landing peninsula, Sonoma Coast State Beaches, T6N RllW 15 Comment
  UC1010408  Euonymus occidentalis var. occidentalis K. Wagnon May 1939 220 Sonoma 5 mi. w. Sebastopol (1/8 mi. n.e. of Wagnon Ranch, along Jonive Creek); Jonive Creek Comment
  JEPS22971  Euonymus occidentalis var. occidentalis Harry K. Roberts 1959-5-18 Sonoma n.w. Sebastopol (Louis Giovanni ranch, first canyon s. of ranch house); Green Valley, Louis Giovanni ranch Comment
  UC450203  Euphorbia crenulata Milo S. Baker 1898-4-23 694 Sonoma Santa Rosa Canyon Comment
  CAS-BOT-BC310740  Euthamia occidentalis Peter Rubtzoff 1951-9-2 700 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  JEPS32366  Euthamia occidentalis W. L. Jepson 1921-9-12 9484 Sonoma south side of Alexander Valley Alexander Valley 45 Comment
  UCR254754  Euthamia occidentalis Peter Rubtzoff 1969-8-26 6155 Sonoma On River Road, c. 3 miles west of Fulton 27 Comment
  RSA94310  Euthamia occidentalis Peter Rubtzoff 1951-9-2 700 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC239724  Fabaceae Peter Rubtzoff 1970-5-16 6226 Sonoma 5 miles north of Sears Point Comment
  CAS-BOT-BC384609  Festuca Greg de Nevers 1989-4-1 9068 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  RSA0021488  Festuca Peter Rubtzoff 1976-6-5 8588 Sonoma False Lake Meadow area, Annadel State Park. Comment
  JEPS128381  Festuca californica Roger Raiche 2000-5-5 085 .00 Sonoma The Cedars. Danfield Creek, Leona's Cabin Site. Gualala River, Wheatfield Fork watershed. Comment
  SEINET10560466  Festuca californica A. Arthur Heller 1902-5-29 Heller 5629 Sonoma Near the summit of Mt. Hood. Comment
  CAS-BOT-BC283191  Festuca californica subsp. californica K. Wagnon 1939-5-14 196 Sonoma East edge of Wagnon rock quarry, five miles west of Sebastopol Comment
  RSA123478  Festuca californica var. californica H. S. Yates 1934-4-21 s.n. Sonoma Near Bodega Port 8 Comment
  UCD65939  Festuca elmeri H. S. Yates 1937-5-31 6564 Sonoma 1 mile WSW of Petrified Forest 274 Comment
  UCD66117  Festuca occidentalis Beecher Crampton 1955-6-17 2964 Sonoma 2 miles east of Fort Ross. Comment
  UCD66126  Festuca occidentalis P. B. Kennedy 1915-5-31 s.n. Sonoma Stewart point - Annapolis road. Comment
  UCD66272  Festuca roemeri A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3569 Sonoma 9.1 miles northwest of Santa Rosa. Comment
  CAS-BOT-BC354074  Filago Peter Rubtzoff; H. A. Froebe 1971-5-30 6480 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UCD84823  Fragaria vesca Nellie Coffey 1931-4-12 s.n. Sonoma Mount St. Helena. Comment
  CAS-BOT-BC53271  Frangula californica subsp. californica Walter Knight; Irja Knight 1963-12-27 467 Sonoma Summit, Pine Flat Rd. Comment
  CAS-BOT-BC218584  Fraxinus latifolia Peter Rubtzoff 1957-6-28 3394 Sonoma Duncans Mills Marsh Comment
  UC480631  Fritillaria affinis Carl Meyer 1928-3-3 313 Sonoma Santa Rosa Comment
  CAS-BOT-BC130179  Fritillaria affinis Milo S. Baker 1940-3-1 s.n. Sonoma unspecified Comment
  RSA367707  Fritillaria affinis Cora Mae Life 1894-03 s.n. Sonoma Near Russian River Comment
  UC72276  Fritillaria affinis Milo S. Baker 1898-3-19 722 Sonoma near Santa Rosa (Happy Valley); Happy Valley Comment
  UC615379  Fritillaria recurva Beryl O. Schreiber 1932-4-3 209 Sonoma e side of Mount St. Helena Mount St. Helena Comment
  JEPS9662  Galium divaricatum Michener and Bioletti 1892-7-1 Sonoma Hoods Peak Comment
  POM63227  Galium divaricatum Michener, Bioletti 1892-7-1 s.n. Sonoma Hood's Peak Comment
  HSC100970  Galium muricatum Peter Warner 2011-5-26 209 Sonoma Cresta Ranch, (off Mark West Springs Rd. at Mark West Lodge), ~540 m South of Cresta Rd. 0 Comment
  CDA18033  Galium parisiense R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena Spring. 0 Comment
  POM367848  Galium parisiense Christopher Davidson 1977-6-20 6039 Sonoma Ca 30 miles W of Geyserville on Stewart's Point-Skaggs Springs Rd. Or 5 miles E of jct of latter with road N to Annapolis. Gravel bar and gravel bank just above it on Wheatfield Fork of Gualala River. 76 Comment
  SD88402  Galium porrigens var. porrigens Darley F. Howe 1972-4-30 Sonoma Bodega Bay Comment
  UCD121949  Galium triflorum Roxana S. Ferris; Laura Lorraine 1961-6-14 13532 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway. Comment
  UC1042429  Gamochaeta ustulata Peter Rubtzoff 1951-6-7 137 Sonoma Western branch of Upper Marsh, (near Forestville, in a marshy opening); Pitkin Marsh Comment
  CAS-BOT-BC303502  Gamochaeta ustulata Peter Rubtzoff 1951-6-30 303 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  RSA790994  Gamochaeta ustulata Peter Rubtzoff 1962-6-19 4923 Sonoma Occidental Marsh. Comment
  UCD148414  Gamochaeta ustulata Peter Rubtzoff 1959-6-6 4095 Sonoma Willow Creek Marsh. Comment
  JEPS128304  Garrya elliptica Roger Raiche 2009-2-2 002 .09 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD159449  Gazania linearis D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 206 Sonoma Bodega Bay. Near Hitchcock movie house. 53 Comment
  CAS-BOT-BC193254  Genista monspessulana Mary P. Wells 1983-8-23 s.n. Sonoma Coast Highway near Milepost 43.58 Comment
  UC455452  Geranium core-core I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UCD103493  Geranium core-core Frederica Bowcutt 1984-6-23 440 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg on the Sonoma County coast. West of Highway 1, approx. 1/2 mile north of Gerstle Cove. 15 Comment
  SFV8504  Geranium dissectum P. Kuehn 1967-5-27 35 Sonoma Ignacio Road. 61 Comment
  UC17156  Geranium pusillum Harley P. Chandler 1900-5-25 708 Sonoma Bodega Bay Comment
  UCD168062  Gilia James Neilson 1977-8-10 3955 Sonoma Mayacmas Mountains. Klau Mine, Apple Tree Ck at the 'Orchard'. Turner Flat. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD117655  Gilia capitata Roxana S. Ferris; Laura Lorraine 1961-6-15 13569 Sonoma about 0.125 mile beyond County Dump. Comment
  SD60184  Gilia capitata subsp. chamissonis Roxana S. Ferris 1932-5-27 8259 Sonoma Sand dunes, upper Bodega Bay. Comment
  CAS-BOT-BC226166  Gilia capitata subsp. tomentosa Alice Eastwood 1915-6-29 4826 Sonoma Bodega Point Comment
  CAS-BOT-BC226167  Gilia capitata subsp. tomentosa John Thomas Howell 1930-6-8 5265 Sonoma 1 mile east of Bodega Bay Comment
  UC931985  Gilia capitata subsp. tomentosa Verne Grant, Alva Grant 1948-7-7 8596 Sonoma on Sebastopol - Bodega Bay road 2.6 mi e Bodega; e of Bodega on Sebastopol - Bodega Bay road Comment
  UCR50513  Gilia leptalea L. F. LaPre, K. Campbell 1987-6-28 s.n. Sonoma North Coast Ranges, Cadd Fire Trail, off Unocal Ridge Road, 2 mi. west of Socrates Mine, near Lake county line 976 Comment
  CAS-BOT-BC225468  Gilia millefoliata Alice Eastwood 1901-7-4 s,.n. Sonoma Bodega Point Comment
  LA206687  Gilia millefoliata Alice Eastwood; June 1915 sn Sonoma Bodega Point Comment
  SEINET7075497  Gilia tricolor subsp. diffusa A. G. Vestal 1955-5-8 s.n. Sonoma Valley of the Moon south of Kenwood. 38? deg. 23' 26" North Latitude, -122? deg. 31' 35" West Longitude. UTM Zone 10, 541365mE, 4249039mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC266522  Githopsis diffusa Peter Rubtzoff 1957-5-26 3354 Sonoma Near Occidental - Graton road, 2.7 miles E of Occidental Comment
  UC518025  Glebionis segetum Lewis S. Rose 1933-5-9 33154 Sonoma Bodega Bay Comment
  JEPS26838  Glechoma hederacea Rimo Bacigalupi 1961-5-21 7701 Sonoma 3.25 mi nw Sebastopol (at corner of Mills station road and Occidental road, drainage of Atascadero Creek); Atascadero Creek 40 Comment
  CAS-BOT-BC282822  Glyceria X occidentalis Greg de Nevers 1992-6-16 10161 Sonoma Weimar Pond, 3450 Franz Valley RoadPepperwood Ranch Natural Preserve 304 Comment
  RSA177984  Glyceria declinata R. F. Thorne 1965-4-19 34293 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC282816  Glyceria leptostachya A. D. E. Elmer 1903-7-1 4652 Sonoma Petaluma Comment
  CAS-BOT-BC282817  Glyceria leptostachya A. D. E. Elmer 1903-7-1 4652 Sonoma Petaluma Comment
  UCR282047  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5379 Sonoma Coleman Marsh 269 Comment
  CAS-BOT-BC282805  Glyceria leptostachya A. A. Heller 1902-5-24 5606 Sonoma Near Sonoma Comment
  UCR244735  Glyceria occidentalis Peter Rubtzoff 1966-4-30 5687 Sonoma North side of Hwy 116, 0.5 miles northwest of Stony Point Road crossing Comment
  CAS-BOT-BC164700  Gnaphalium Peter Rubtzoff 1966-8-29 5815 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166749  Gnaphalium chilense Peter Rubtzoff 1959-9-19 4276 Sonoma Vacation Beach, near Guerneville at Russian River. Comment
  RSA790989  Gnaphalium chilense Peter Rubtzoff 1974-8-4 7796 Sonoma Upper Green Valley Marsh. Comment
  JEPS87227  Gnaphalium palustre Jack and Betty Guggolz 1992-7-17 1330 Sonoma low area in a large cattle pasture Bloomfield Road 36 Comment
  CDA6006  Gnaphalium purpureum T. C. Fuller 1958-5-24 3986 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  RSA785749  Grindelia Peter Rubtzoff 1963-7-14 5205 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC305184  Grindelia hirsutula L. R. Abrams 1916-7-4 5784 Sonoma Road between Petrified Forest and Mark West Comment
  CAS-BOT-BC305195  Grindelia hirsutula G. DeNevers 1981-5-23 1286 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  CAS-BOT-BC305200  Grindelia hirsutula D. E. Breedlove 1980-6-27 44780 Sonoma Pepperwood Ranch W of Knights Valley Comment
  JEPS41926  Grindelia hirsutula F. T. Bioletti 1891-1 Sonoma Glen Ellen Comment
  UC196832  Grindelia hirsutula J. W. Congdon 1881-5-23 Sonoma Petaluma Comment
  UC479502  Grindelia hirsutula Marcus E. Jones, A. M. 1931-7-5 29142 Sonoma The Geysers Comment
  CAS-BOT-BC305193  Grindelia hirsutula Mary P. Wells 1982-7-5 s.n. Sonoma Salmon Beach Parking Lot Comment
  POM261488  Grindelia stricta var. angustifolia H. E. Parks, S. T. Parks 1929-11 0411 Sonoma Tubbs Island. 0 Comment
Read comments
Feb 9 2015
  CAS-BOT-BC376285  Habenaria Greg de Nevers 1992-7-12 10217 Sonoma Field redacted by CAS, contact the data manager for more information 304 Comment
  UCD85145  Hainardia cylindrica Beecher Crampton 1957-7-11 4323 Sonoma in Sonoma Coast State Park, about 0.8 mile north of Salmon Creek, along State Hwy. 1. Comment
  CAS-BOT-BC306770  Helenium bigelovii John Thomas Howell 1947-6-26 23311 Sonoma Cunningham Marsh Comment
  UC353800  Helenium bigelovii Milo S. Baker 1928-4-28 3001 b Sonoma Pitkin Swamp Comment
  JEPS15040  Helenium puberulum unknown 1877-6-14 Sonoma Guerneville Comment
  CAS-BOT-BC309581  Helenium puberulum Walter Knight; Irja Knight 1963-8-13 208 Sonoma Willow Creek Rd, seep about 2.5 mi. from Bridgehaven Comment
  POM54893  Helenium puberulum A. A. Heller 1902-7-1 5795 Sonoma Lagoon at Sebastopol Comment
  UCD164251  Helenium puberulum Peter Rubtzoff 1979-8-6 9303 Sonoma Knights Valley, off south side of Bavarian Lion Company ranch road (between it and a creek) 1.25 - 1.5 miles west of its junction with Franz Valley Road (0.4 miles south of Hwy. 128). Comment
  UC194163  Helianthella californica subsp. californica Michener and Bioletti 1893-6-1 Sonoma Wood's Ranch Comment
  CAS-BOT-BC314739  Helianthella californica var. californica Catherine Best 1981-5-16 s.n. Sonoma About three miles east of Sonoma on Wood Valley Road Comment
  CAS-BOT-BC305580  Helianthus bolanderi R. Bacigalupi 1948-3-6 2583 Sonoma The Geysers, just above the resort Comment
  POM187930  Helianthus bolanderi Marcus E. Jones 1931-7-5 29121 Sonoma The Geysers. Comment
  CAS-BOT-BC305968  Helminthotheca echioides Dorothy Scherer 1996-9-5 060 Sonoma Windemere Point, waste areas, nw corner of Fort Ross State Historic Park 30 Comment
  CAS-BOT-BC305971  Helminthotheca echioides Walter Knight; Irja Knight No date on label 120 Sonoma Blue Bell Lane, Coddingtown Comment
  UCD166251  Hemizonia Peter Rubtzoff 1970-8-5 6301 Sonoma 5 miles north of Sears Point. 11 Comment
  CDA36844  Hemizonia congesta CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  RSA608263  Hemizonia congesta J. T. Howell, J. W. Stacey 1936-7-26 12672 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  UC197511  Hemizonia congesta H. M. Hall 1916-7-23 10245 Sonoma 12 mi nw Petaluma Comment
  CAS-BOT-BC306164  Hemizonia congesta subsp. clevelandii Lewis S. Rose 1935-9-11 35622 Sonoma 2 mi. N. of Healdsburg 39 Comment
  CAS-BOT-BC306155  Hemizonia congesta subsp. clevelandii James I. McMurphy 1909-8-10 717 -A Sonoma About a mile west of Santa Rosa on road to Fulton Comment
  RSA14739  Hemizonia congesta subsp. clevelandii L. S. Rose 1935-9-11 35622 Sonoma 2 mi N of Healdsburg. 40 Comment
  CAS-BOT-BC306179  Hemizonia congesta subsp. congesta 1909-6-20 s.n. Sonoma Fulton Comment
  CAS-BOT-BC306220  Hemizonia congesta subsp. congesta Milo S. Baker 1932-6-9 5745 Sonoma Near Wrights School Comment
  CAS-BOT-BC371447  Hemizonia congesta subsp. congesta Greg de Nevers 1998-6-9 11270 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Cresta Road. 400 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-BC309729  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-9 5746 Sonoma 1 mi. E. of Occidental Comment
  SBBG8412  Hemizonia congesta subsp. lutescens H. and M. Dearing 1939-5-14 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UC201240  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-23 Sonoma 8 mi w Petaluma Comment
  UC990603  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-7-10 504 Sonoma 4 mi nw Cloverdale; Boonville Comment
  CAS-BOT-BC309681  Hemizonia congesta subsp. lutescens Peter H. Raven 1955-8-27 8754 Sonoma Petaluma Creek at bridge on Black Point Cutoff Comment
  CAS-BOT-BC309733  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-1 5718 Sonoma Halfway up Meeker Grade Comment
  UC197517  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-23 19246 a Sonoma 14 mi nw Petaluma (2 mi e of Tocaloma) Comment
  UC897703  Hemizonia congesta subsp. lutescens Milo S. Baker 5718 Sonoma Comment
  CAS-BOT-BC309946  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 miles ne. of Penngrove 426 Comment
  CAS-BOT-BC309947  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1966-7-17 9916 Sonoma Sausal Creek north of Alexander Valley Comment
  RSA791599  Hemizonia congesta subsp. luzulifolia A. Howald 2011-8-28 2804 Sonoma North Coast Ranges: west slope of Mayacamas Mountains, Los Alamos Road at Cougar Lane, 2.3 miles east of intersection Hwy 12 329 Comment
  CAS-BOT-BC309958  Hemizonia congesta subsp. luzulifolia Walter Knight; Irja Knight 1963-8-29 185 Sonoma Casa Grande Road, Petaluma Comment
  OBI16230  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1966-8-23 9918 Sonoma Mark West Creek, on Santa Rosa-Calistoga Rd near jctn of St Helena Rd Comment
  RSA169313  Hemizonia lutescens L. S. Rose 1964-8-26 64067 Sonoma 5 miles NE of Penngrove. 244 Comment
  UCD127530  Heracleum maximum Michelle Mahoney 1965-5-22 34 Sonoma On old Fire Road off Highway 116, Hacienda Park. 91 Comment
  HSC92190  Hesperocyparis pygmaea A. T. Austin 1991-5-17 Sonoma Salt Point State Park Comment
  CDA13135  Hesperolinon spergulinum G. F. Hrusa, R. Gross 1996-6-3 13070 Sonoma North Coast Biodiversity Arena; Ida Clayton Rd., NW side Mt. St. Helena. Comment
  POM8864  Hesperolinon spergulinum A. A. Heller 1902-6-24 5751 Sonoma Near Burke s Sanitarium Comment
  CAS-BOT-BC149838  Heteromeles arbutifolia Saichi Kawahara 1968-4-20 327 Sonoma Trinity Road, 1 mile northeast of Highway 12 152 Comment
  UCD102191  Heteromeles arbutifolia Daniel Sanchez-Mata; Tomas Santamaria 2008-7-13 s.n. Sonoma Healdsburg. Alexander Valley. Pine Flat Road to the Geysers Area. Audubon Sanctuary. 400 Comment
  RSA0045175  Heterotheca oregona Greg de Nevers 1996-10-20 10890 Sonoma Pepperwood Ranch Natural Reserve. 3450 Franz Valley Road. 91 Comment
  CAS-BOT-BC311062  Heterotheca oregona var. oregona Mary P. Wells 1984-7-20 396 Sonoma In So. Fork Gualala River by The Sea Ranch Comment
  CAS-BOT-BC420946  Heuchera micrantha var. diversifolia G. DeNevers 1981-4-25 808 Sonoma Pepper wood Ranch. Main Pepperwood entrance, along shaded Creek bank Comment
  CAS-BOT-BC319710  Hieracium albiflorum Marian L. Campbell 1920-8-1 s.n. Sonoma Monte Rio Comment
  UC1084457  Hoita orbicularis G. Thomas Robbins 1937-6-5 219 Sonoma 10 mi w Santa Rosa; Vine Hill region, Pitkin Ranch Comment
  CAS-BOT-BC280785  Holcus lanatus John Thomas Howell; Walter Knight; Irja Knight 1987-6-4 6230 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC280794  Holcus lanatus Peter Rubtzoff 1951-8-4 590 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  JEPS97538  Holcus lanatus R. D. Stone 1980-11-28 321 Sonoma the Sea Ranch; Annapolis Road area just below and west of landing strip Comment
  SEINET176555 Image available Holcus lanatus M. E. Jones 1882-7-18 3546 Sonoma Duncan's Mills 9 Comment
  UC1011008  Holcus lanatus Virginia Bufford 1936-5-22 407 Sonoma Highway 1 - 4 mi s Stewarts Point; s of Stewarts Point Comment
  UC1056243  Holcus lanatus Virginia E. Long 1930-9-13 6 a Sonoma about 10 mi n Cloverdale Comment
Read comments
Aug 15 2010
  UCD84904  Holcus lanatus Peter Kamb; Francia Chisaki 1950-6-16 1856 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners. Comment
  SEINET10960739  Holcus lanatus A. Arthur Heller 1902-6-7 Heller 5651 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC164699  Holocarpha Peter Rubtzoff 1970-5-30 6252 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC320404  Holocarpha virgata James I. McMurphy 1906-7-17 s.n. Sonoma Fulton Comment
  JEPS128305  Holodiscus Roger Raiche 2009-8-30 045 .09 Sonoma The Cedars. Bullfrog Pond Area. Lower Russian River, East Austin Creek watershed. Comment
  CAS-BOT-BC315807  Holozonia filipes Greg de Nevers 1996-5-30 10834 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC315813  Holozonia filipes A. A. Heller 1902-7-1 5800 Sonoma Lagoon at Sebastopol Comment
  CAS-BOT-BC315806  Holozonia filipes H. M. Hall 1931-5-26 13083 Sonoma Boyes Spring Comment
  SD133785  Holozonia filipes Rimo Bacigalupi, P. Rubtzoff 1976-8-6 Sonoma Knights Valley, off south side of Bavarian Lion Company ranch road, 1-1.5 miles west of its junction with Franz Valley Road(0.4 mi S of Hwy128 Comment
  SEINET257978 Image available Hordeum brachyantherum Mary E. Barkworth, D Amme 1989-6-15 5174 Sonoma S end of Bodega Head on restored grassland 81 Comment
  UCD85403  Hordeum brachyantherum Hursh 1919-5-13 X 3244 Sonoma Santa Rosa. Comment
  CAS-BOT-BC289291  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1955-4-30 1796 Sonoma Stony Point Marsh Comment
  CAS-BOT-BC289540  Hordeum brachyantherum subsp. californicum Roxana S. Ferris; Laura Lorraine 1961-6-14 13545 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UCD81357  Hordeum marinum subsp. gussoneanum Frederica Bowcutt; Jolie Hendricks, Jeff Kennedy 1994-5-1 1791 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Campground S of Sonoma Creek approx. 125 yds. 1/4 mile NW of confluence of Rattlesnake Creek, meadow in center of campground. 350 Comment
  UCD85813  Hordeum marinum subsp. gussoneanum A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3571 Sonoma 7 miles northwest of Santa Rosa, on road to Calistoga. Comment
Read comments
Sep 11 2012
  RSA128787  Hordeum murinum subsp. glaucum P. H. Raven 1950-4-6 1561 Sonoma Cotati to Santa Rosa. 30 Comment
  UCD85936  Hordeum murinum subsp. glaucum Frederica Bowcutt 1984-6-24 465 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg. Old home site near existing barn along road to Gerstle Cove parking lot. Northwest of Gerstle Cove approx. 1/4 mile. West of Highway 1. 30 Comment
  JEPS21577  Horkelia tenuiloba Lauramay T. Dempster 1958-5-24 1106 Sonoma along road Vine Hill district Comment
  RSA298961  Horkelia tenuiloba Edward Lee 1936-6-7 2200 Sonoma Hear Highpoint, on the fire trail, Bohemian Grove Comment
  CAS-BOT-BC146506  Horkelia tenuiloba Mr. Floyd Bailey; Mrs. Floyd Bailey 1925-4-26 96 a - local Sonoma Plantation Comment
  CAS-BOT-BC55497  Hornungia procumbens John Thomas Howell 1934-3-25 11781 Sonoma Cuttings Wharf on Napa River. Comment
  UCR252997  Hosackia oblongifolia var. oblongifolia Peter Rubtzoff 1974-6-2 7503 Sonoma Upper Green Valley Marsh Comment
  CDA38357  Hydrocotyle ranunculoides D. E. Bayer 1960-9-29 s.n. Sonoma Santa Rosa City disposal plant. 0 Comment
  CAS-BOT-BC175971  Hypericum Peter Rubtzoff 1971-6-10 6535 Sonoma Pitkin Marsh, near Forestville. Near the southern end of the upper part of the marsh Comment
  UC1122088  Hypericum anagalloides H. S. Yates 1936-5-16 5588 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  UC1084463  Hypericum concinnum G. Thomas Robbins 1937-6-5 227 Sonoma roadside near Graton (Vine Hill region); Vine Hill region Comment
  CAS-BOT-BC410824  Hypericum concinnum Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road near Warm Spring Dam overlook Comment
  UCR253373  Hypericum perforatum Peter Rubtzoff 1971-6-26 6576 Sonoma Pitkin Marsh, near Forestville 38 Comment
  CAS-BOT-BC210083  Hypochaeris glabra Peter Rubtzoff 1974-5-18 7437 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC316684  Hypochaeris glabra G. DeNevers 1981-4-20 766 Sonoma Pippendale farm beween Studio and the ridge top, Pepperwood Ranch Comment
  CAS-BOT-BC133509  Iris Saichi Kawahara 1968-4-20 321 Sonoma Oak-Trinity Road, 1 mile northeast of Highway 12 152 Comment
  SEINET12048687  Iris douglasiana F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -156 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  SJSU10186  Iris douglasiana T. A. Wayne III 1962-4-7 Sonoma by Valley Ford Rd c. 1/3 the distance between Salmon Creek & Bodega Bay 60 Comment
  UCD138705  Iris douglasiana J. J. Dunning 1963-5-12 s.n. Sonoma beside Coleman Valley Road (between State Highway 1 and Occidental), ca. 2-3 miles east of State Highway 1. 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
  RSA137361  Iris fernaldii Lee W. Lenz, E. K. Balls 1952-5-8 17107 Sonoma To Mark West Springs and Santa Rosa to Kellogg and Petrified Forest 76 Comment
  RSA48724  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
  CHSC22983  Iris macrosiphon Robert A. Schlising; Et al 1962-3-31 2115 Sonoma Along Cavedale Road, NE of Agua Caliente. Comment
  CAS-BOT-BC164686  Isoetes Peter Rubtzoff 1971-9-30 6714 Sonoma Spring Creek Reservoir area. Comment
  UCD150851  Isoetes nuttallii 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
  CAS-BOT-BC112411  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh, near Forestville: Uppermost part of the western branch of the Upper Marsh. Comment
  UCD150848  Isolepis carinata 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
  CAS-BOT-BC112408  Isolepis carinata Peter Rubtzoff 1966-4-30 5696 Sonoma Todd Road 1.4 mi. from Hwy 116 and 0.6 mi. from Llamo Road. Comment
  HSC100952  Isolepis carinata Peter Warner 2011-5-13 191 Sonoma Jenner Headlands, Upper Russian Gulch Pasture, near S fence-line with Boat Field, small drainage flowing NW towards Russian Gulch. 248 Comment
  CAS-BOT-BC112569  Isolepis cernua Peter Rubtzoff 1962-8-22 5059 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC112574  Isolepis cernua Peter Rubtzoff 1963-6-5 5152 Sonoma Brooks Gulch Marsh. Comment
  SEINET4170787 Image available Isolepis cernua W. L. Jepson 1931-7-19 15945 Sonoma Just north of Salmon Creek Comment
  RSA788953  Juncus Peter Rubtzoff 1968-7-13 5920 Sonoma Upper Salmon Creek Marsh. 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
  RSA234552  Juncus dubius Peter Rubtzoff 1960-6-9 4490 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  SEINET3878596  Juncus effusus Kaye H. Thorne 1984-11-22 3667 Sonoma Sea Ranch, Black Point near Lodge.; 0 Comment
  UCD148475  Juncus effusus Peter Rubtzoff 1964-7-29 5455 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC164052  Juncus effusus subsp. pacificus Peter Rubtzoff 1970-8-19 6338 Sonoma Sonoma: Austin Creek bank, 0.5 mi. north of Cazadero 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
  UCD141504  Juncus effusus subsp. pacificus Frederica Bowcutt 1984-6-23 427 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along the Sonoma County coast. Immediately SW of park entrance, West of Highway 1 and NW of Gerstle Cove along park road. 30 Comment
  UCD167419  Juncus hesperius Peter Rubtzoff 1964-8-3 1634 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC322118  Juncus lescurii Peter Rubtzoff 1961-8-6 4676 Sonoma Americans Creek, 0.5 mi. east of Valley Ford. Comment
  RSA0031402  Juncus lescurii Peter Rubtzoff 1954-8-9 1663 Sonoma Bodega Head Marsh. Comment
  UC143742  Juncus patens A. A. Heller 1902-6-27 5778 Sonoma w of Windsor (near Russian River) Comment
  UCD141757  Juncus patens Frederica Bowcutt 1996-5-19 2153 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. 1 air mile south of Red Mountain. Near trailhead for Lower Bald Mountain. Above Group campground. 472 Comment
  CAS-BOT-BC250926  Juncus phaeocephalus J. Penalosa 1961-5-24 1588 Sonoma Upper Stemple Creek Marsh Comment
  CHSC113798  Juncus xiphioides Peter F. Zika 2012-6-30 25944 Sonoma Pepperwood Preserve, near Dwight Center, 3 air miles SE of Bald Hills, Mayacmas Mountains. Outer North Coast Ranges. (NCoRO) 375 Comment
  JEPS121418  Juncus xiphioides Peter F. Zika 2012-6-30 25944 Sonoma Pepperwood Preserve, near Dwight Center, 3 air miles SE of Bald Hills, Mayacmas Mountains Comment
  CAS-BOT-BC320561  Kickxia Peter Rubtzoff 1973-8-20 7228 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA0022379  Kickxia elatine Peter Rubtzoff 1970-7-11 6281 Sonoma Laguna de Santa Rosa northwest of Trenton, at Healdsburg Road crossing. Comment
  RSA247442  Kickxia elatine Peter Rubtzoff 1959-6-20 4158 Sonoma Willow Creek Marsh. Willow Creek. Comment
  UC403007  Kopsiopsis strobilacea Adolphe H. Weber May 1896 Sonoma Comment
  UCD133518  Lactuca saligna Freed W. Hoffman 1946-8-23 797 Sonoma Lone Mountain Farm, near Guerneville. North Coast Range. Comment
  UC89191  Lagophylla minor T. Brandegee Sonoma Mt. St. Helena Comment
  CAS-BOT-BC272432  Lamarckia aurea D. E. Breedlove 1976-3-27 39 .455 Sonoma West-facing roadbank along Dry Creek Road ca. 7 miles west of Warm Springs Dam Comment
  CAS-BOT-BC486685  Lamiaceae Peter Rubtzoff 1957-6-28 3374 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC474557  Lasthenia burkei Ayzik Solomeshch 2009-5-11 s.n. Sonoma NW 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
  JEPS86735  Lasthenia burkei Jack and Betty Guggolz 1990-4-25 1036 Sonoma 1.5 mi n Simi Winery (s of Lytton Road and w of Lytton Creek) 51 Comment
  CAS-BOT-BC346337  Lasthenia californica H. A. Froebe; Peter Rubtzoff 1971-5-30 6498 Sonoma 4.25 mi. west of Glen Ellen on Bennett Valley Road Comment
  POM55151  Lasthenia californica A. A. Heller, H. E. Brown 1902-4-15 5302 Sonoma Santa Rosa Creek Comment
  JEPS10380  Lasthenia californica subsp. macrantha W. L. Jepson 1931-7-19 15947 Sonoma just n of mouth Salmon Creek (between Bodega Bay and the mouth of the Russian River) Comment
  CAS-BOT-BC355533  Lasthenia glaberrima Peter Rubtzoff 1971-5-30 3492 Sonoma 4.25 mi. west of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC355535  Lasthenia glaberrima Peter Rubtzoff 1972-5-25 6755 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC355529  Lasthenia glaberrima Peter Rubtzoff 1965-5-8 5525 Sonoma Laguna Santa Rosa area east of Cunningham, nr, Llano Road. Comment
  CAS-BOT-BC370854  Lasthenia minor John Thomas Howell 1931-4-18 6420 Sonoma mouth of Salmon Creek, 2 miles n. of Bay Comment
  CAS-BOT-BC370894  Lasthenia minor Alice Eastwood 1915-6-29 4837 Sonoma Bodega Point Comment
  UC726106  Lasthenia minor A. A. Heller 1940-5-17 15628 Sonoma n of the town of Bay; Bodega Bay Comment
  UC893773  Lasthenia minor Milo S. Baker 1931-4-15 5385 Sonoma mouth of Salmon Cr. Comment
  CDA34802  Lathyrus angulatus Peter Warner 2010-5-6 146 Sonoma Annadel State Park, E side of Lake Ilsanjo at picnic tables, near Richardson Trail. Comment
  CAS-BOT-BC204993  Lathyrus jepsonii var. californicus Alice Eastwood; John Thomas Howell 1936-5-19 2523 Sonoma 2 miles n. of Windsor Comment
  UC33397  Lathyrus jepsonii var. californicus W. C. Blasdale Jun 1894 Sonoma Santa Rosa Comment
  UCD148415  Lathyrus tingitanus Peter Rubtzoff 1958-9-28 4018 Sonoma Guerneville region, Vacation Beach, near Guerneville. Comment
  POM29620  Lathyrus vestitus subsp. vestitus Marcus E. Jones 1882-7-17 3576 Sonoma Duncan's Mills. Comment
  SEINET7067252  Layia chrysanthemoides A. G. Vestal 1947-5-13 s.n. Sonoma South Sonoma Coast, about 1.3 miles north of Salmon Creek on Route 1. Coordinate datum: NAD27. Comment
  UC1537075  Layia chrysanthemoides Gordon H. True Jr. 1938-4-13 862 Sonoma near Sonoma 60 Comment
  UCD166136  Layia chrysanthemoides Peter Rubtzoff 1969-5-11 6036 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  RSA785926  Layia chrysanthemoides Peter Rubtzoff 1969-5-11 6044 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  CAS-BOT-BC379619  Layia platyglossa A. A. Heller 1903-4-23 6608 Sonoma Fort Ross Comment
  UCD133977  Layia platyglossa Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 36 Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. Comment
  CAS-BOT-BC379578  Layia platyglossa unspecified 1932-5-3 5717 Sonoma Stewarts Point Comment
  CAS-BOT-BC329305  Layia septentrionalis H. E. Brown; A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood Comment
  RSA106768  Ledum glandulosum subsp. columbianum L. S. Rose 1955-6-2 55058 Sonoma Pitkin Marsh, w. of Vine Hil Road, 10 mi. w. of Santa Rosa. 30 Comment
  CAS-BOT-BC184131  Leersia Peter Rubtzoff 1970-9-2 6358 Sonoma Russian River bottom at Mirabel Park Comment
  CAS-BOT-BC312696  Leersia Peter Rubtzoff 1987-9-27 9851 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  UCR279862  Leersia oryzoides Peter Rubtzoff 1969-8-27 6163 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  CAS-BOT-BC210094  Lemna Peter Rubtzoff 1965-10-10 5653 Sonoma Stony Point Marsh. Comment
  UCD148504  Lemna Peter Rubtzoff 1965-11-9 5668 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  UCD164539  Lemna Peter Rubtzoff; Betty Lovell 1975-8-11 8312 Sonoma Kenwood Marsh. 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
  CAS-BOT-BC527275  Lemna minuta Peter Rubtzoff 1951-7-28 543 Sonoma Southern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC339169  Leontodon saxatilis subsp. saxatilis John Thomas Howell 1945-7-18 21323 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC173651  Lepidium Peter Rubtzoff 1964-6-24 5377 Sonoma Coleman Marsh, along Salmon Creek Comment
  CAS-BOT-BC173645  Lepidium Peter Rubtzoff 1962-8-3 5032 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC89151  Lepidium didymum Katharine Brandegee 1905-6-1 s.n. Sonoma Bodega. Comment
  CAS-BOT-BC89742  Lepidium latifolium Peter Rubtzoff 1969-8-26 6158 Sonoma Marsh on River Road ca. 3 miles west of Fulton. Comment
  RSA247447  Lepidium latifolium Peter Rubtzoff 1969-8-26 6158 Sonoma On River Road. 3 miles W of Fulton. Comment
  UC517474  Lepidium oxycarpum John Thomas Howell 1933-4-1 10924 Sonoma Petaluma Comment
  POM182701  Lepidium oxycarpum D. D. Keck 1931-4-1 996 Sonoma 2 miles north of Sears Point (9 miles south of Sonoma) 10 Comment
  CAS-BOT-BC12970  Lepidium strictum John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells 1982-4-28 54673 Sonoma Bouverie Audubon Preserve, about 1.5 mile east of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC376422  Leptosiphon ciliatus Greg de Nevers 1992-6-24 10177 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By the PG&E tower in the saddle. 400 Comment
  CAS-BOT-BC226736  Leptosiphon latisectus Herbert L. Mason 1928-4-8 4289 Sonoma Coast, 2 miles north of Fort Ross Comment
  JEPS126509  Lessingia arachnoidea Staci Markos, Jack and Betty Guggolz and Gene Cooley 2001-9-24 210 Sonoma North of Camp Meeker near the Bohemian Highway, Bohemian Ranch, Amaryllis Flat. Comment
  POM183313  Lessingia arachnoidea John T. Howell 1931-9-26 8090 Sonoma 2 miles from Monte Rio on road to camp Meeker Comment
  UC1158792  Lessingia hololeuca Edward Lee Greene 1880-1 Sonoma Comment
  UC33166  Lessingia ramulosa Alice King September 1896 Sonoma Healdsburg Comment
  UCD92470  Leymus X vancouverensis Peter Rubtzoff 1960-10-29 4583 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC371446  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. 400 Comment
  JEPS14293  Ligusticum apiifolium Rimo Bacigalupi with G. T. Robbins and Fran Chisaki 1956-4-17 5586 Sonoma on rd. between Santa Rosa and Calistoga (along Rincon Grade, n. of Rincon Valley) 213 Comment
  RSA0045174  Ligusticum apiifolium Greg de Nevers 1998-7-15 11294 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, just upstream of bridge at 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
  UCR255737  Ligusticum apiifolium Greg de Nevers 1998-7-15 11294 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa; Mark West Creek, just upstream of bridge at Mark West Lodge 134 Comment
  CAS-BOT-BC451690  Lilaea scilloides Milo S. Baker 1927-4-10 2054 b Sonoma Macartney Hills in Water Hole Comment
  CAS-BOT-BC451709  Lilaea scilloides Peter Rubtzoff 1955-5-7 1815 Sonoma Ross Marsh. Comment
  CAS-BOT-BC451714  Lilaea scilloides Peter Rubtzoff 1971-7-9 6593 Sonoma 5 mi. north of Sears Point. Comment
  SEINET11763375  Lilaea scilloides Michener, Bioletti 1892-1 s.n. Sonoma Shellville Comment
  CAS-BOT-BC130651  Lilium maritimum Catherine Best 1981-6-5 s.n. Sonoma Hwy. 1 near Lumber Cove Comment
  RSA304185  Lilium maritimum S. Ganley 1971-5-31 691 Sonoma North of Fort Ross. 46 Comment
  CAS-BOT-BC130691  Lilium occidentale Peter Rubtzoff 1951-7-28 567 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC130828  Lilium pardalinum Peter Rubtzoff 1951-7-21 498 Sonoma Northern half of Lower Marsh 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
  RSA129915  Limnanthes douglasii subsp. douglasii Peter H. Raven 1950-4-6 1584 Sonoma Cotati to Santa Rosa. 152 Comment
  UC1330359  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Road 1.4 mi from Hwy 116 (0.6 mi from Llano Road); ; Todd Road, near Llano Road, Sonoma Co. Comment
  UC1331758  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Road 1.4 mi from Hwy. 116 (0.6 mi from Llano Road); ; Todd Road, near Llano Road, Sonoma Co. Comment
  CAS-BOT-BC45943  Limnanthes vinculans Peter Rubtzoff 1969-5-3 6026 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC251276  Limosella Peter Rubtzoff 1972-5-25 6751 Sonoma Laguna, Chileno Valley. Comment
  UCD166212  Limosella acaulis Peter Rubtzoff 1970-5-16 6220 Sonoma 5 miles north of Sears Point. Comment
  JEPS58111  Linanthus acicularis W. L. Jepson 1911-4-30 4182 Sonoma near Glen Ellen; Sonoma Valley Comment
  UC30171  Linanthus acicularis H. N. Bolander 1864-1 3853 Sonoma Russian River Bed 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
  SEINET7075496  Linanthus ciliatus A. G. Vestal 1955-5-8 s.n. Sonoma Valley of the Moon south of Kenwood. 38? deg. 23' 26" North Latitude, -122? deg. 31' 35" West Longitude. UTM Zone 10, 541365mE, 4249039mN. (NAD 27). [Coordinate Datum: WGS84/NAD83]. Comment
  UC1763995  Linanthus jepsonii Douglas W. Schemske 1993-4-30 1 D Sonoma Pepperwood Ranch Natural Preserve Comment
  UC1763994  Linanthus latisectus Douglas W. Schemske 1993-4-30 1 C Sonoma Pepperwood Ranch Natural Preserve Comment
  UC133827  Linanthus parviflorus Katharine Brandegee Jun 1905 Sonoma between Santa Rosa and Sebastopol Comment
  UCD110569  Linum bienne Mary M. Hektner 1974-5-27 006 Sonoma Unit 7 Owners' Map, south of Whaler's Reach, Sea Ranch, near State Highway 1. Comment
  POM188332  Lithocarpus densiflorus var. densiflorus Marcus E. Jones 1931-7-5 28839 Sonoma Cloverdale Comment
  CAS-BOT-BC430798  Lithophragma affine Alice Eastwood 1918-5-1 6870 Sonoma Mt. St. Helena Comment
  HSC20223  Lithophragma affine R. F. Good 1962-4-20 4 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes. Sonoma Mt. Coast Range. 46 Comment
  UC1299676  Lithophragma heterophyllum Freed W. Hoffman 1947-5-31 1859 Sonoma Chimney Rock near Monte Rio; North Coast Ranges, Chimney Rock near Monte Rio Comment
  UCD102737  Lithophragma heterophyllum M. Wiesendanger 1927-5-5 735 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC376405  Livistona Greg de Nevers 1997-5-27 11009 Sonoma Santa Rosa, Peterson Lane. 45 Comment
  UC581119  Logfia filaginoides H. L. Mason 1934-4-28 8092 Sonoma Jensen's Ranch Dohrmann Creek Comment
  CAS-BOT-BC283281  Lolium multiflorum Walter & Irja Knight; J. T. Howell 1987-5-27 6279 Sonoma Todd Road Preserve 24 Comment
  SEINET11690148  Lolium multiflorum J. T. Howell, Knight, W.; Knight, I. 1987-1 6231 Sonoma Todd Road Preserve, NE corner of Llano & Todd Rds 24 Comment
  UCD84597  Lolium perenne Frederica Bowcutt 1994-6-12 1844 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
  RSA94286  Lolium perenne Peter Rubtzoff 1951-7-14 426 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  SEINET12121666  Lomatium californicum W. Knight, Knight, I.; Edwards, S. 1986-1 5294 Sonoma on Geysers Road between Geysers Resort site & CLoverdale Comment
  UC673270  Lomatium caruifolium var. caruifolium Lincoln Constance and Reed C. Rollins 1942-5-10 2862 Sonoma 4 mi. n. Geyserville; North Coast Ranges 60 Comment
  JEPS25112  Lomatium nudicaule G. Thomas Robbins with Hsuan Keng and Erika Amstutz 1959-4-3 3968 Sonoma s.w. El Verano (along Arnold Dr.); Sonoma Valley 30 Comment
  UC1714578  Lomatium utriculatum J. Burtt Davy 1896-3-15 1668 Sonoma near Cazadero Comment
  UCR265238  Lomatium utriculatum Ann Howald 2015-4-28 3379 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage 318 Comment
  CAS-BOT-BC240643  Lonicera hispidula Peter Rubtzoff 1952-6-13 1253 Sonoma North slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC240645  Lonicera hispidula Walter Knight; Irja Knight 1963-9-15 294 Sonoma Los Alamos Rd., Santa Rosa Comment
  CAS-BOT-BC240651  Lonicera hispidula Peter Rubtzoff 1952-5-31 1115 Sonoma Pitkin Marsh, near Forestville. Bordering the central part of the Pitkin Marsh Comment
  UCD35660  Lonicera hispidula Beecher Crampton 1959-6-16 5397 Sonoma 1 mile northeast of Freestone. Comment
  UCD160882  Lonicera interrupta James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3270 Sonoma Mayacmas Mountains, ca. 1/4 mile south of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  OBI39523  Lonicera involucrata var. ledebourii F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-17 84 -148 Sonoma Bridgehaven (village) near jctn of Willow Crk Rd. and Ca hwy 1 along Russian river. 37 Comment
  UC1125276  Lonicera involucrata var. ledebourii H. S. Yates 1934-4-21 3803 Sonoma near Bodega; Duncan Mills Quadrangle Comment
  UC889578  Lonicera involucrata var. ledebourii Marcus E. Jones, A. M. 1882-7-17 2739 Sonoma Duncan's Mills Comment
  UCD137389  Lonicera involucrata var. ledebourii Terri Williamson 1990-5-20 50 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  UCR275253  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rhonert Park, creek bed west of Commerce Blvd. crossing 29 Comment
  CAS-BOT-BC294700  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
  UC15582  Lotus formosissimus Harley P. Chandler 1900-5-25 674 Sonoma Bodega Comment
  UC555528  Lotus formosissimus H. L. Mason 1928-4-8 4281 Sonoma Fort Ross Comment
  POM27250  Lotus humistratus Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan[s] Mills. Comment
  UC15650  Lotus micranthus Michener and Bioletti May 1892 Sonoma S. Los Guilicos Los Guilicos Comment
  RSA155472  Lotus oblongifolius L. S. Rose 1962-6-1 62062 Sonoma 1 miles NW of Freestone Marsh 76 Comment
  SEINET6233226  Lotus oblongifolius L. S. Rose 1962-1 62062 Sonoma Sonoma co, CA Comment
  RSA92945  Lotus oblongifolius var. nevadensis Elizabeth McLeod 1930-05 s.n. Sonoma Pilkin Swamps Comment
  SEINET3729647  Lotus purshianus A. A. Heller 1941-8-8 16278 Sonoma West of Petrified Forest Comment
  UCR2752549  Lotus purshianus Peter Rubtzoff 1971-6-26 6575 Sonoma Willow Creek Marsh 9 Comment
  RSA27249  Lotus wrangelianus Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan[s] Mills. Comment
  UCD165773  Ludwigia Peter Rubtzoff 1973-8-27 7273 Sonoma Upper Green Valley Marsh area. Comment
  UCD65993  Ludwigia hexapetala B. J. Grewell 2005-10-3 05- 33 -LU Sonoma Laguna Wildlife Area, Laguna de Santa Rosa at Blucher Creek Confluence. California Dept. of Fish and Game. Downstream of Todd Road bridge, Laguna de Santa Rosa south of Sebastopol, CA. 22 Comment
  RSA262212  Ludwigia hexapetala Peter Rubtzoff 1970-9-8 6383 Sonoma Sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  CAS-BOT-BC251195  Ludwigia palustris Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7800 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC258922  Ludwigia palustris Peter Rubtzoff 1966-6-26 5763 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC261647  Ludwigia palustris Peter Rubtzoff 1961-9-6 4738 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  CAS-BOT-BC251071  Ludwigia palustris var. pacifica Peter Rubtzoff 1954-8-2 1628 Sonoma Austin Creek Marsh. Comment
  SJSU393  Ludwigia peploides A. W. Jacobs 1938-6-15 Sonoma Russian R near Hilton Comment
  SEINET7067330 Image available Lupinus A. G. Vestal 1947-5-16 s.n. Sonoma About 8.2 miles East of Windsor on Mendocino Avenue [in Santa Rosa]. Coordinate datum: NAD27. UTM Zone 10, 524713mE, 4255867mN. Comment
  CAS-BOT-BC198293  Lupinus Milo S. Baker 1935-5-1 8066 Sonoma Near south end of bridge on Russian River near Jenner. Comment
  CAS-BOT-BC201289  Lupinus Milo S. Baker 1948-7-3 12059 Sonoma Millstation Rd near Post Box 39 Rt 1, .4 mi West of Gravestein [Gravenstein] Hiwy and 1.4 mi from Catholic Church on the Main St of Sebastopol Comment
  CAS-BOT-BC201296  Lupinus Charles Piper Smith 1947-6-25 47569 Sonoma Highway 1, Jenner, 1.6 miles north Comment
  CAS-BOT-BC201297  Lupinus Charles Piper Smith 1947-6-19 47533 Sonoma Highway 1, Jenner, 1 mile south 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
  UC864972  Lupinus albifrons Alice Eastwood 1939-3-21 18902 Sonoma a few mi n Cloverdale (near Russian River); Russian River, n of Cloverdale Comment
  SEINET10488438  Lupinus albifrons Joseph W. Congdon 1880-5-16 Congdon s.n. Sonoma Comment
  SEINET10488444  Lupinus albifrons Joseph W. Congdon 1880-5-16 Congdon s.n. Sonoma Above Sebastopol. Comment
  UCD106014  Lupinus albifrons var. albifrons Botany 102 Students 1993-4-24 104 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 1.3 air miles SE of Red Mtn, about 25 meters S of Sonoma Creek along Meadow Trail about 0.25 miles from intersection with Brushy Peaks and hillside Trails. 396 Comment
  UCD106015  Lupinus albifrons var. albifrons Frederica Bowcutt 1996-5-24 2158 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/Rattlesnake Creek confluence on small knoll. 381 Comment
  CAS-BOT-BC196152  Lupinus albifrons var. douglasii F. W. Johnson 1890-9-10 57 Sonoma Santa Rosa Comment
  CAS-BOT-BC196153  Lupinus albifrons var. douglasii J. W. Congdon 1880-6-1 s.n. Sonoma Petaluma Comment
  SEINET12165191  Lupinus bicolor F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -178 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  UC126967  Lupinus bicolor Willis L. Jepson 1893-5-3 Sonoma Mt. St. Helena Napa River Basin, Mt. St. Helena (foot of grade) Comment
  UCD107010  Lupinus chamissonis M. Barbour 1970-11-30 s.n. Sonoma Bodega Head. Comment
  RSA3044  Lupinus formosus var. formosus Carl B. Wolf 1931-8-23 2345 Sonoma Along Redwood Highway, 1 mile south of Cloverdale. 91 Comment
  SEINET10490759  Lupinus formosus var. formosus David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-9 Dunn 20712 Sonoma Coll 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
  RSA177946  Lupinus latifolius var. latifolius Robert F. Thorne 1965-4-19 34317 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  UCD108644  Lupinus microcarpus var. densiflorus Eric Davidson 1972-5-27 392 Sonoma near dorm at University of California's Bodega Marine Lab, Bodega Head. Comment
  UC73194  Lupinus nanus Milo S. Baker 1898-4 706 Sonoma hills near Santa Rosa; hills near Santa Rosa Comment
  UC865365  Lupinus pachylobus Alice Eastwood 1918-5-1 6844 Sonoma Mt. St. Helena Comment
  JEPS77251  Lupinus succulentus Robert M. Lloyd 1963-4-24 2390 Sonoma on road to Oakdale 1.3 mi from State Highway 12; rd to Oakdale 243 Comment
Read comments
Sep 25 2013
  CAS-BOT-BC202173  Lupinus tidestromii Catherine Best 1980-5-1 s.n. Sonoma On the south side of the mouth of the Russian River Comment
  JEPS116509  Lupinus variicolor Peter Warner 2009-6-2 118 Sonoma Poff Ranch, Wright Hill Road off State Hwy 1, on N-facing slope about 1.5 km ENE of ranch house and barn 276 Comment
  POM304144  Lupinus variicolor H. C. Cantelow 1940-4-20 s.n. Sonoma 2 miles S of S. end of Russian River Bridge, Highway 1. Comment
  RSA121011  Luzula comosa Alice Eastwood 1922-5-4 11250 Sonoma Calistoga. Comment
  CAS-BOT-BC441294  Luzula macrantha D. E. Breedlove 1983-4-11 58685 Sonoma Pepperwood Ranch, W of Knights Valley Comment
  CAS-BOT-BC441403  Luzula macrantha L. R. Abrams 1918-4-27 6904 Sonoma Independence School near Healdsburg Comment
  UCD161671  Luzula subsessilis James A. Neilson Jr. 1974-4-30 2724 Sonoma Mayacmas Mountains. The Geysers. Bruno # 1. (Exact location of Bruno #1 not known by label-maker, but according to Neilson, it is west of Geysers Resort on a north-facing slope near a stream. In the Mayacmas Flora, he indicates it is near 'Old Mercuryville,' which is different than the Mercuryville seen on maps; location and elevation estimated by label-maker) 441 Comment
  UCD103007  Lythrum hyssopifolia Frederica Bowcutt 1984-6-23 424 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along Sonoma County Coast. Immed. N of Gerstle Cove. W of Hwy 1. 24 Comment
  UCR105439  Lythrum hyssopifolia Peter Rubtzoff 1954-7-4 1521 Sonoma SW area adjoining Austin Creek Marsh Comment
  RSA0015986  Lythrum hyssopifolia Carl B. Wolf 1927-9-2 1351 Sonoma Along the old coast road 1 mile south of the Gualala River in the north end of Sonoma Co. Comment
  CDA15313  Lythrum salicaria Lane 1998-8-2 s.n. Sonoma Park Ave. Turf, 3075 Old Graverstein Hwy, Sebastopol. 0 Comment
  RSA785160  Madia Peter Rubtzoff, H. A. Froebe 1971-5-30 6457 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive Comment
  CAS-BOT-BC173551  Madia Peter Rubtzoff 1974-6-22 7623 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173560  Madia Peter Rubtzoff 1975-8-16 8324 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC342617  Madia anomala Alice Eastwood; John Thomas Howell 1938-5-15 5509 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC342616  Madia anomala John Thomas Howell 1959-5-7 34594 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC342622  Madia anomala G. DeNevers 1981-5-7 996 Sonoma Pepperwood Ranch. Along the Studio Road Comment
  CAS-BOT-BC344031  Madia elegans Peter Rubtzoff 1951-7-21 524 Sonoma 1 mile southeast of Forestville Comment
  CDA8246  Madia elegans subsp. vernalis M. K. Bellue 1943-5-14 Sonoma Road into Donahue. 0 Comment
  CAS-BOT-BC344552  Madia exigua Roxana S. Ferris; Laura Lorraine 1961-6-15 13564 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road Comment
  CAS-BOT-BC166733  Madia gracilis Peter Rubtzoff 1967-9-2 5876 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC343446  Madia gracilis Peter Rubtzoff 1952-6-3 1171 Sonoma Fitch Mtn. Grove, near Healdsburg Comment
  CAS-BOT-BC343458  Madia gracilis A. A. Heller 1902-6-23 5738 Sonoma Petrified Forest Comment
  SD56776  Madia gracilis Darley F. Howe 1963-5-23 Sonoma 2.8 miles north of Cloverdale on #128 245 Comment
  POM53609  Madia gracilis subsp. gracilis Michener, F. T. Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  POM41471  Madia madioides Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  POM53567  Madia sativa A. A. Heller 1902-8-18 6050 Sonoma Santa Rosa. Comment
  RSA785161  Madia sativa Peter Rubtzoff 1975-8-16 8324 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC511574  Maianthemum racemosum subsp. amplexicaule Greg de Nevers 1993-4-27 1994 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek east of 3865 Franz Valley Rd. 457 Comment
  CHSC26309  Maianthemum stellatum P. Kunst 1977-4-12 31 Sonoma 170 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
  UC1042431  Malus pumila var. domestica Peter Rubtzoff 1951-11-24 847 Sonoma near Forestville (Pitkin Marsh, Upper Marsh, uppermost part of w branch); Pitkin Marsh Comment
  RSA94348  Malus sylvestris Peter Rubtzoff 1951-11-24 850 Sonoma Pitkin Marsh, near Forestville. Western branch of the upper marsh; in a thicket on drier ground. Comment
  CAS-BOT-BC164410  Marah Peter Rubtzoff 1957-5-4 3312 Sonoma Duncans Mills Marsh area. Comment
  POM59381  Marah fabacea A. A. Heller, H. E. Brown 1902-4-11 5277 Sonoma Bodega Bay. Comment
  SBBG32440  Marah fabacea L. S. Rose 1962-4-18 62026 Sonoma Laguna de Santa Rosa, 2 mi NE of Graton 30 Comment
  UCD107583  Marah fabacea Frederica Bowcutt 1994-5-1 1775 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. Adobe Canyon, along Goodspeed trail about 1/8 mile from trail head on Adobe Canyon Rd. 198 Comment
  HSC7018  Marah fabacea F. Demostene 1966-4-1 3 Sonoma 2 mi. E of Healdsburg Comment
  UCD125027  Marrubium vulgare Frederica Bowcutt 1995-11-19 2063 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. Bald Mountain Trail, immediately on edge of asphalt about 0.5 air mile SSE of Red Mountain. 609 Comment
  RSA264722  Matricaria matricarioides Peter Rubtzoff 1972-5-25 6773 Sonoma Laguna, Chileno Valley. Comment
  RSA719881  Matricaria matricarioides Linda E. Watson 1996-5-19 96 3 A Sonoma At Bodega Bay, 2 miles N of Salmon Creek, Bodega Bay Population of Clausen, keck, and Heisey studies on ecotypes. Comment
  CAS-BOT-BC268100  Medicago Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7804 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC262978  Medicago Peter Rubtzoff 1968-8-31 5952 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC271175  Melica aristata Joseph Burtt Davy; Walter C. Blasdale 1899-5-1 6001 Sonoma Guerneville Comment
  SJSU9871  Melica geyeri G. J. Woodside 1969-4-29 36 Sonoma Dutton Bill Creek 4 mi above Camp Meeker at St. Dorothy's Rest Comment
  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
  UC766884  Melica subulata R. F. Hoover 1941-5-14 5095 Sonoma sw of Occidental (Joy District School) Comment
  UC1146593  Melica torreyana Freed W. Hoffman 1947-5-30 1701 Sonoma Austin Creek Layton Mine; North Coast Ranges, Austin Creek Comment
  UCD89213  Melica torreyana M. Wiesendanger 1927-5-5 734 Sonoma Kenwood Springs. Comment
  UC1146661  Melica torreyana Freed W. Hoffman 1944-5-22 1996 Sonoma near ocean shore Cruz Ranch; North Coast Ranges Comment
  UCD89204  Melica torreyana R. Tofsrud 1942-4-1 s.n. Sonoma N. of Sonoma. Road to 'Top O'World. Comment
  CAS-BOT-BC166970  Mentha Peter Rubtzoff 1962-10-9 s.n. Sonoma Brooks Gulch 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
  RSA785216  Mentha Peter Rubtzoff 1958-8-16 3882 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UCD166502  Mentha canadensis Peter Rubtzoff 1960-10-29 4584 Sonoma Laguna de Santa Rosa, east of Graton (btwn. Occidental and Guerneville Road). Comment
  CAS-BOT-BC164092  Mentha pulegium Peter Rubtzoff 1955-9-24 2157 Sonoma Guerneville Marsh. Comment
  UC582717  Mentha pulegium Joseph P. Tracy 1935-8-18 14746 Sonoma Knights Valley; Northern Coast Ranges, Knights Valley 152 Comment
  UC187861  Mentha pulegium Edw. L. Greene 1888-8-30 Sonoma above S. Rosa <Santa Rosa?> (<Santa Rosa?>); above S. Rosa <Santa Rosa?> Comment
  CAS-BOT-BC166681  Mentha spicata Peter Rubtzoff 1968-7-20 5924 Sonoma Upper Salmon Creek Marsh. Comment
  RSA784547  Mentha spicata Peter Rubtzoff 1955-10-12 2166 Sonoma Duncans Mill Marsh. Comment
  UCD148381  Mentha spicata Peter Rubtzoff 1955-8-28 2114 Sonoma Vacation Beach, near Guerneville. Comment
  RSA534492  Mentzelia laevicaulis Peter Rubtzoff 1961-8-26 4724 Sonoma Vacation Beach, 2 mi. below Guerneville. Russian River bottom. Comment
  CAS-BOT-BC429002  Micranthes fragosa Milo S. Baker 1928-3-1 2737 b Sonoma Golf Club Links Comment
  RSA54045  Micropus amphibolus J. T. Howell 1948-4-18 24203 Sonoma Hills east of Agua Caliente. Comment
  UC673613  Micropus amphibolus Herbert L. Mason 1934-4-28 8081 Sonoma four mi w Healdsburg (head of Dohrman Creek); Jensen's Ranch Comment
  CAS-BOT-BC348632  Micropus californicus var. californicus L. R. Abrams 1918-4-27 6902 Sonoma Independence School near Healdsburg Comment
  UC88393  Micropus californicus var. californicus unknown May 1890 Sonoma Cloverdale Comment
  CAS-BOT-BC348629  Micropus californicus var. californicus G. DeNevers 1981-4-20 770 Sonoma Pepperwood Ranch. Pippindale farm. On bench between Studio and the ridge top Comment
  SEINET11601910 Image available Microseris bigelovii P. Kamb, F. Chisaki 1952-6-21 2304 Sonoma Fort Ross Comment
  CAS-BOT-BC322712  Microseris laciniata John Thomas Howell; Alice Eastwood 1936-5-19 2503 Sonoma 11 miles north of Santa Rosa Comment
  CAS-BOT-BC320504  Mimulus Peter Rubtzoff 1955-8-20 2081 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC320519  Mimulus Peter Rubtzoff 1974-5-26 7484 Sonoma Vernal pool area on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  RSA0025384  Mimulus Peter Rubtzoff 1966-5-29 5742 Sonoma Pitkin Marsh. In lower part of the Upper Marsh. Comment
  RSA0025385  Mimulus Peter Rubtzoff 1964-8-26 5476 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 Comment
  JEPS128314  Mimulus aurantiacus Roger Raiche 2000-5-21 102 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this not the name on USGS topo sheets.) Gualala River, Wheatfield Fork watershed. Comment
  UCD38481  Mimulus aurantiacus Beecher Crampton 1955-6-17 2969 Sonoma Fort Ross. Comment
  RSA550833  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-4 1111 Sonoma 7.0 mi S of Mendocino co. line along Hwy 1; 0.5 mi N of Black Point Beach access road 96 Comment
  UC885691  Mimulus aurantiacus var. aurantiacus Lewis S. Rose 1941-5-22 41249 Sonoma 4 mi e Santa Rosa; Rincon Ridge 121 Comment
  UC27048  Mimulus congdonii F. T. Bioletti 1894-1 Sonoma near Hood's Peak Comment
  UCR265243  Mimulus guttatus Ann Howald 2015-4-28 3376 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, c. 11.7 miles west of intersection with Rockpile Rd, Warm Springs drainage 431 Comment
  UCR275267  Mimulus guttatus Peter Rubtzoff 1955-8-20 2081 Sonoma Bodega Harbor Marsh 0 Comment
  UC768827  Mimulus microphyllus R. F. Hoover 1939-4-18 4036 Sonoma Occidental Comment
  UC445171  Mimulus tricolor Milo S. Baker 1899-5-6 Sonoma sw Santa Rosa Comment
  UC852247  Minuartia californica Keith Wagnon 1940-3-31 238 Sonoma 5 mi w Sebastopol; Gold Ridge Subdivision Comment
  UCD167967  Minuartia douglasii James Neilson 1977-6-12 3921 a Sonoma Mayacmas Mountains, McMicking Ranch, well site 2. (McMicking Ranch is also known as Santa Angelina Ranch and is in the vicinity of Knights Valley and Coon Creek.) Comment
  UC679520  Mitella caulescens Milo S. Baker 1942-5-23 10199 Sonoma Brookside Garden Comment
  POM161866  Modiola caroliniana Rimo Bacigalupi 1928-6-18 1904 Sonoma Beach at mouth of Salmon Creek, 2 miles N of Bodega Bay. Comment
  UCD167560  Monardella James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. On Squaw Creek. 1/4 mile from Black Hawk Ranch. (Exact location unkown. Coordinates estimated by label maker. Black Hawk Ranch location not found. Location georeferenced at the end of Ottobani Ridge between Big Sulphur Creek and Squaw Creek because neilson collected in that area on 18 June 1976.) Comment
  SEINET12326118  Monardella neglecta W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4756 Sonoma The Cedars, near Cazadero on Twitchell Ranch 229 Comment
  CAS-BOT-BC220388  Monardella purpurea R. F. Hoover 1965-6-29 9474 Sonoma North of summit on Harrison Grade road near Occidental Comment
  UCD125197  Monardella purpurea Walter Knight; Irja Knight, Roger Raiche, Steve Edwards Date Unknown 4756 Sonoma The Cedars; near Cazadero on Twitchell Ranch. Comment
  UCD151228  Monardella villosa James A. Neilson Jr. 1974-5-1 3170 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
  CAS-BOT-BC220503  Monardella villosa John Thomas Howell 1929-6-30 6316 Sonoma 6 miles from Petrified Forest on road to Knights Valley Comment
  UC76203  Monardella villosa subsp. globosa Miss M. Alice King June 1897 Sonoma near Healdsburg Comment
  CAS-BOT-BC318600  Monardella villosa subsp. subserrata J. W. Congdon 1880-6-20 47 Sonoma Petaluma Comment
  UCD151196  Monardella viridis James A. Neilson Jr. 1974-7-10 2810 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 1/2 miles west of Whispering Pines, east Sonoma County. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  CAS-BOT-BC444986  Montia fontana Alice Eastwood 1921-4-24 10383 Sonoma Santa Rosa Comment
  CAS-BOT-BC444987  Montia fontana John Thomas Howell 1933-4-1 10926 Sonoma Petaluma Comment
  CAS-BOT-BC444999  Montia fontana Peter Rubtzoff 1952-3-23 900 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  SEINET9360775  Myosotis sylvatica John Nelson, Wnek, R. 2000-3-7 20936 Sonoma Wet ground on both sides of Hwy 116 just W of Fern Grove cottages on W side of Guerneville. With Oxalis oregana, Stachys rigida, Nemophila parviflora, Comment
  CAS-BOT-BC257703  Myosurus Peter Rubtzoff 1966-5-7 5703 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC257705  Myosurus Peter Rubtzoff 1966-4-17 5681 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC259172  Myosurus Peter Rubtzoff 1958-4-26 3595 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC101791  Myrica californica Peter Rubtzoff 1957-4-28 3290 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC258905  Myriophyllum Peter Rubtzoff 1971-9-3 6702 Sonoma Spring Creek Reservoir area. Comment
  UCD165115  Myriophyllum aquaticum Peter Rubtzoff 1973-10-10 7334 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC258917  Myriophyllum hippuroides Peter Rubtzoff 1954-8-12 1699 Sonoma Bennett Mountain Lake. Comment
  RSA800335  Myriophyllum hippuroides Peter Rubtzoff 1963-9-1 5247 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC258916  Myriophyllum verticillatum Peter Rubtzoff 1955-8-13 2039 Sonoma Duncans Mills Marsh, lower portion of the marsh. 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
  UC1153820  Nassella pulchra Beecher Crampton 1957-5-16 4041 Sonoma US Hwy 101 3 mi s Healdsburg (banks of railway cut) Comment
  RSA94328  Nasturtium officinale Peter Rubtzoff 1951-6-9 158 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  UC952866  Navarretia heterodoxa Milo S. Baker Aug 1950 12308 Sonoma near Kenwood (Hope Valley a short distance s of summit above Coleman Ranch); Hope Valley Comment
  RSA642579  Navarretia intertexta A. Howald 1995-6-13 1922 Sonoma Annadel State Park (near Santa Rosa) in the Ledson Marsh area (sometimes called Bennett Lake) 358 Comment
  UCD48473  Navarretia intertexta Herbert L. Mason 1940-5-21 12295 Sonoma Head of Maacama Creek, Knights Valley, Sonoma County. Comment
  CAS-BOT-BC230370  Navarretia leucocephala subsp. bakeri Peter Rubtzoff; Nancy Harrison 1976-6-18 8647 Sonoma False Lake Meadow area, Annadel State Park Comment
  UC908513  Navarretia pubescens Herbert L. Mason 1940-5-21 12294 Sonoma head of Mayacama Creek Knights Valley, Mayacama Creek Comment
  UC1719857  Navarretia pubescens David Fruchter 1978-9-17 98 Sonoma Diamond D. Comment
  UCD55331  Navarretia squarrosa Ellen Dean 2006-6-28 3174 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  UCD37159  Navarretia squarrosa Beecher Crampton 1957-7-22 4364 Sonoma Sonoma County, Sonoma Coast State Park, 8.2 miles north of Stewart's Point. Comment
  UC126415  Navarretia viscidula Prof. Heaton Jun 1887 Sonoma Verano Comment
  CAS-BOT-BC7192  Nemophila divaricata Alice Eastwood 1900-4-21 s.n. Sonoma Mt. St. Helena Comment
  SD130512  Nemophila heterophylla F. Almeda, G. DeNevers 1981-3-30 4888 Sonoma Pepperwood Ranch; summit and east-facing slope of Three Tree Hill. Comment
  UC606893  Nemophila heterophylla L. Constance 1938-4-24 2151 Sonoma 2 mi ne Bodega (Salmon Creek); , ne of Bodega 91 Comment
  UCD120068  Nemophila heterophylla M. Wiesendanger 1927-5-5 736 Sonoma Kenwood Springs. Comment
  POM125417  Nemophila heterophylla Alice Eastwood 1923-5-9 s.n. Sonoma Mt. St. Helena. Comment
  UC67144  Nemophila menziesii Milo S. Baker 1898-4-23 617 Sonoma Santa Rosa Creek Canyon Comment
  UCD120232  Nemophila menziesii R. W. Thorp 1967-3-9 670309 D Sonoma One mile southeast of Verona. Comment
  UC24256  Nemophila menziesii var. atomaria W. A. Setchell March, 1898 Sonoma Cloverdale Comment
  CAS-BOT-BC231193  Nemophila parviflora Roxana S. Ferris; Laura Lorraine 1961-6-14 13529 Sonoma Junction of Bittner Road with Joy Road between Occidental and Bodega Comment
  CAS-BOT-BC231195  Nemophila parviflora A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross Comment
  UC880930  Nemophila parviflora Lewis S. Rose 1940-5-6 40262 Sonoma near Kenwood (Sonoma Creek Canyon); , near Kenwood 243 Comment
  CAS-BOT-BC368029  Nemophila parviflora Greg de Nevers 1998-6-15 11284 Sonoma CYO Camp on Bohemian Highway. Comment
  CAS-BOT-BC164379  Nicotiana Peter Rubtzoff 1974-8-3 7792 Sonoma Forest Hills, 5.5 miles east of Guerneville, along Russian River Comment
  RSA0060128  Nicotiana quadrivalvis Barbara Ertter 1988-11-5 8030 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  HSC8113  Notholithocarpus densiflorus var. densiflorus F. Demostene 1966-4-4 20 Sonoma 1 mi. W of Healdsburg Comment
  RSA0009430  Nuphar lutea subsp. polysepala Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  UCR255686  Oemleria cerasiformis Greg de Nevers 1998-4-27 11199 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  RSA0057960  Oemleria cerasiformis Greg de Nevers 1998-4-27 11199 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  UCD149026  Onopordum illyricum Andrew Smith 2011-12-21 160423 0 Sonoma Santa Rosa; Pepperwood Preserve; 3450 Franz Valley Road., near Mark West Springs Road. Comment
  UCD35515  Orobanche californica subsp. californica B. Crampton 1957-7-11 4335 Sonoma 1.3 miles north of Salmon Creek, Sonoma Coast State Park. Comment
  POM209739  Orthocarpus densiflorus H. E. Parks, Susan T. Parks 1930-5-7 632 Sonoma North end of Knight's Valley. 107 Comment
  POM15356  Orthocarpus purpurascens A. A. Heller, H. E. Brown 1902-4-17 5318 Sonoma Hills at Santa Rosa Comment
  POM117418  Osmorhiza berteroi Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  SEINET12121674  Osmorhiza chilensis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -169 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 330 Comment
  UC1143151  Oxalis albicans subsp. pilosa H. S. Yates 1934-4-21 3825 Sonoma near Duncan Mills; Duncan Mills quad 60 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-BC376262  Panicum Greg de Nevers 1996-9-23 10882 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek x Piney Canyon 487 Comment
  SEINET10849964  Panicum P. Rubtzoff 1968-9-21 Rubtzoff 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CHSC83174  Panicum acuminatum var. acuminatum Beecher Crampton 1964-8-18 7139 f Sonoma The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). Banks along road to steam well. 493 Comment
  HSC83426  Panicum acuminatum var. fasciculatum Mary M. Hektner 1974-7-6 132 Sonoma Sea Ranch, near golf course. Comment
  UCD32826  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 d Sonoma North East part of county. The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). 493 Comment
  UCD33493  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers, 12 miles (direct line) east of Colverdale. 493 Comment
  UCD89125  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 c Sonoma North East part of county. The Geysers. Comment
  SBBG115658  Panicum thermale B. Crampton 1964-8-18 7139 c Sonoma The Geysers, above Geyser Crk, ca. 12 mi (in direct line) E of Cloverdale, ca. 0.5 mi E of Geyser Resort area, slope of steam thermal no 10 (Thermal Power Co.) 493 Comment
  RSA115687  Parapholis incurva Beecher Crampton 1957-7-11 4316 Sonoma Western edge of Bodega Harbor, about 2 miles (by road) west of the town of Bodega Bay. Comment
  UCD88621  Parapholis incurva Beecher Crampton 1957-7-11 4316 Sonoma western edge of Bodega Harbor. About 2 miles, by road, west of the town of Bodega Bay. Comment
  UC1299671  Parnassia californica Freed W. Hoffman 1946-9-26 571 Sonoma North Coast Ranges, Layton Mine, Austin Creek Austin Creek Austin Creek; North Coast Ranges, Layton Mine, Austin Creek Comment
  CAS-BOT-BC154989  Paspalum Peter Rubtzoff 1973-10-10 7342 Sonoma Tributary of Americano Creek, 2 mi. W of Bloomfield Comment
  CAS-BOT-BC156322  Paspalum Peter Rubtzoff 1971-8-23 6654 Sonoma Meacham Road, 0.35 mi. S of Stony Point Road. Comment
  RSA784154  Paspalum dilatatum Peter Rubtzoff 1971-8-23 6647 Sonoma Spring Hill Road, 0.8 miles SE of Bodega Hwy. (of Two Rock Church). Comment
  CAS-BOT-BC265691  Paspalum distichum Peter Rubtzoff 1951-7-14 432 Sonoma Southern half of Lower Marsh, Pitkin Marsh near Forestville 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
  SD88564  Pedicularis densiflora Darley F. Howe 1972-2-20 Sonoma Trinity Road, Mt. Hood Range Comment
  HSC20925  Pedicularis densiflora James Faro 1962-4-14 19 Sonoma 5 mi. N of Guerneville on Old Cazadero Rd. Comment
  HSC24667  Pedicularis densiflora F. Demostene 1966-4-1 5 Sonoma 2 mi. E of Healdsburg Comment
  SEINET12183627  Pelargonium grossularioides H. K. Wagnon 1989-1 1894 Sonoma around Jack London's Original ?, Jack London State Park Comment
  SEINET5328497 Image available Penstemon heterophyllus W. Roderick 1967-6-18 s.n. Sonoma Mark West Springs Road, NE of Santa Rosa 61 Comment
  UC354468  Penstemon heterophyllus var. heterophyllus Milo S. Baker 1904-6-1 Sonoma Sonoma Creek Canyon above Maple Glen; Sonoma Creek Canyon above Maple Glen Comment
  UC1238920  Penstemon heterophyllus var. purdyi Freed W. Hoffman 1947-4-20 654 Sonoma near Guerneville (headwaters of Fife Creek, Del Preti Hill); North Coast Ranges, headwaters Fife Creek Comment
  JEPS83484  Penstemon newberryi var. sonomensis Jack and Betty Guggolz 1986-5-27 876 Sonoma just to the nw lookout on Mt. St. Helena; nw of the lookout on Mt. St. Helena Comment
  SEINET12335254  Pentagramma triangularis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -272 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  JEPS128377  Pentagramma triangularis subsp. triangularis Roger Raiche 2000-4-23 044 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC222749  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-8-30 5872 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh Comment
  UCD127853  Perideridia kelloggii Mary M. Hektner 1976-10-19 271 Sonoma north of draw by intersection of Pacific Reach Road and Wilel Moor Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC368035  Persicaria amphibia Greg de Nevers 1998-6-28 11296 Sonoma Lautenberg Ranch, Spencer Lane, Knights Valley. Comment
  CAS-BOT-BC413652  Persicaria amphibia Peter Rubtzoff 1960-4-30 4310 Sonoma Laguna de Santa Rosa northeast of Graton (ca. 1.2 mi. n. of Guerneville Rd.) Comment
  CAS-BOT-BC413664  Persicaria amphibia Volney Rattan 1877-6-4 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC418908  Persicaria hydropiperoides Peter Rubtzoff 1958-7-19 3777 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC418911  Persicaria hydropiperoides Peter Rubtzoff 1963-10-5 5289 Sonoma Laguna de Santa Rosa east of Graton Comment
  UCD165114  Persicaria pensylvanica Peter Rubtzoff 1973-9-9 7325 Sonoma Kenwood Marsh. Comment
  UCD167962  Persicaria punctata James Neilson 1981-7-16 4055 Sonoma Mayacmas Mountains. Big Sulphur Cr. At bridge crossing road to Cloverdale. (Exact location unknown. Coordinates estimated by label maker. Location information obtained from Neilson 4048 which was collected on the same day at Big Sulphur Creek at bridge crossing road to Cloverdale, SW 1/4 SE 1/4 Sect. 5, T11N, R9W.) Comment
  CAS-BOT-BC419420  Persicaria punctata Peter Rubtzoff 1951-9-2 710 Sonoma Pitkin Marsh, near Forestville. North of the Lower Marsh Comment
  UC75812  Petasites frigidus var. palmatus Milo S. Baker 1898-4-5 7 Sonoma near Stewarts Point (Coast Road) Comment
  UC1481984  Petrorhagia nanteuilii R. K. Rabeler 1980-8-8 507 Sonoma 0.4 km (0.25 mi) nw around corner from Bearpen Creek Bridge (along trail to Big Austin Creek, along n side of King Ridge Rd., 7 km n of jct w/Cazadero Hwy, Cazadero 17.8 km n CA 116); along trail to Big Austin Creek Comment
  UCD98397  Petrorhagia nanteuilii Botany 102 Students 1993-5-8 224 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Meadow Creek. 396 Comment
  UC1017786  Phacelia californica C. L. Hitchcock 1952-6-4 19583 Sonoma 1 mi e Duncan's Mill (on road to Sebastopol) Comment
  POM298993  Phacelia distans J. T. Howell 1930-6-8 5274 Sonoma North end of Bodega Bay. Comment
  CAS-BOT-BC259023  Phalaris californica Lewis S. Rose 1962-6-1 62067 Sonoma 1 mi. nw of Freestone 76 Comment
  UC1132418  Phalaris californica H. S. Yates 1936-5-16 5618 Sonoma near Green Valley School; Sebastopol Quadrangle Comment
  UCD88771  Phalaris californica H. S. Yates 1936-5-16 5618 Sonoma California Forest and Range Experiment Station. Near Green Valley School. 91 Comment
  UCD21128  Phalaris lemmonii Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 303 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  UC1023573  Phleum alpinum Virginia Bufford 1936-5-1 167 Sonoma Larkspur Rock Bodega Canyon; , Larkspur Rock Comment
  UC23592  Phlox gracilis Alice King Apr 1897 Sonoma Healdsburg Comment
  UCD168036  Phoradendron leucarpum subsp. tomentosum James A. Neilson Jr. 1981-3-13 3988 Sonoma Mayacmas Mountains, Caldwell Ranch, 1 mi. west Caldwell Pines. Squaw Creek drainage. Hills 1/4 mi. west old Caldwell Ranch. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC251152  Phyla Peter Rubtzoff 1973-9-8 7305 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC140619  Physocarpus capitatus G. DeNevers 1981-5-20 1227 Sonoma Leslie Creek and Mark West Creek, Pepperwood Ranch Comment
  UCD161670  Pickeringia montana James A. Neilson Jr. 1975-1-24 3133 Sonoma Mayacmas Mountains; Dominichelli Ranch # 1. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  UCR279635  Picris echioides Peter Rubtzoff 1966-8-16 5783 Sonoma Laguna de Santa Rosa, northeast of Graton, c. 0.5 mile north of Guerneville [Rd.] 26 Comment
  CAS-BOT-BC173848  Picris echioides Peter Rubtzoff 1964-8-26 5489 Sonoma Marsh, 5 miles northeast of Penngrove on Lichan Road. 213 Comment
  NY61989  Pinus muricata R. R. Wilson 1939-7-25 439 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  SEINET7342797 Image available Pinus muricata Unknown 1974-1 6433 Sonoma Sea Pines State Park. Ca. 1 on sandy coastal bluffs. Comment
  UCD134772  Pinus muricata Chris Bowen 1974-6-6 143 Sonoma On side of first hills east of Highway 1; Sea Ranch, near State Highway 1. 36 Comment
  SEINET10612004 Image available Pinus muricata var. borealis Daniel I. Axelrod 1983-7-7 Axelrod E- 3 Sonoma Vicinity of Salt Point, Sate Highway 1. Site on coarse, thickly bedded Eocene marine sandstone. 76 Comment
  JEPS74967  Pinus ponderosa Tim Tunison Sonoma Sugarloaf Ridge Trail e of Kenwood (Sonoma Valley, 0.5 mi from site of nearest habitation and 100 yds recently built Vista Trail); Sugarloaf Ridge State Park 487 Comment
  JEPS128295  Piperia elongata Roger Raiche 2010-7-11 034 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128315  Piperia leptopetala Roger Raiche 2000-5-20 100 .00 Sonoma The Cedars. Main Canyon at Camp. Lower Russian, Big Austin Creek watershed. Comment
  JEPS128294  Piperia transversa Roger Raiche 2010-7-10 031 .10 Sonoma The Cedars, about 0.2 mile in from 2nd Crossing. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC368049  Piperia transversa Greg de Nevers 1989-6-8 9073 Sonoma Field redacted by CAS, contact the data manager for more information 400 Comment
  CAS-BOT-BC169560  Plagiobothrys Greg de Nevers 2002-5-8 12670 Sonoma Glen Ellen, Bouverie Preserve 152 Comment
  UCD166129  Plagiobothrys Peter Rubtzoff 1969-5-3 6013 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD166130  Plagiobothrys Peter Rubtzoff 1969-5-3 6014 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD166131  Plagiobothrys Peter Rubtzoff 1969-5-3 6015 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCR244647  Plagiobothrys Peter Rubtzoff 1969-5-3 6015 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastopol 21 Comment
  UCR279867  Plagiobothrys Peter Rubtzoff 1969-5-11 6030 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 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-BC166946  Plagiobothrys Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC166947  Plagiobothrys Peter Rubtzoff 1969-6-15 6093 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  RSA620415  Plagiobothrys bracteatus Peter Rubtzoff 1963-6-6 5169 Sonoma Laguna de Santa Rosa, east of Graton Comment
  UC1277974  Plagiobothrys bracteatus B. Crampton 1957-7-11 4312 Sonoma 1.4 mi se Bodega Bay (ditch along State Hwy 1) Comment
  SD260918  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-16 6219 Sonoma 5 miles north of Sears Point. Comment
  UCR119034  Plagiobothrys nothofulvus Beecher Crampton 1955-4-5 2414 Sonoma Santa Rosa Area, 2 miles southwest of Windsor 91 Comment
  RSA620968  Plagiobothrys reticulatus Peter Rubtzoff 1962-8-22 5041 Sonoma Bodega Bay Marsh. Comment
  RSA0083877  Plagiobothrys stipitatus var. micranthus Peter Rubtzoff 1970-5-16 6230 Sonoma 5 miles north of Sears Point Comment
  UCR244618  Plagiobothrys undulatus Peter Rubtzoff 1971-7-23 6612 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 70 Comment
  RSA783740  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6094 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  RSA783741  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6095 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  CAS-BOT-BC293681  Plantago Peter Rubtzoff 1958-7-19 3763 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  RSA800599  Plantago Peter Rubtzoff 1965-8-16 5596 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  CAS-BOT-BC376388  Plantago coronopus Greg de Nevers 1993-4-26 10403 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mountain House driveway. 400 Comment
  SEINET8665591  Plantago erecta A. A. Heller 1902-3-27 5167 Sonoma Western base of Mt. Hood 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
  UCD124501  Plantago erecta Collector Unknown Date Unknown s.n. Sonoma Exact location unknown. Comment
  RSA94256  Plantago lanceolata Peter Rubtzoff 1951-7-14 440 Sonoma Pitkin Marsh near Forestville, Lower part of the upper marsh. Comment
  CAS-BOT-BC92117  Platystemon californicus Alice Eastwood 1915-6-29 4863 Sonoma Bodega Point. Comment
  UC1073296  Platystemon californicus George B. Rossbach 1955-3-19 279 Sonoma w rim Bodega Head; w rim of Bodega Head 45 Comment
  SD88404  Platystemon californicus Darley F. Howe 1972-5-1 Sonoma Duncan Point Comment
  UCSB50178  Platystemon californicus Gray, John 1976-5-1 Sonoma Duncan's Landing; near parking lot; T 6N R 11W 15 Comment
  UCSB50225  Platystemon californicus Gray, John 1976-5-1 Sonoma Bluffs above Duncan's Landing State Beach; T6N R11W 15 Comment
  CAS-BOT-BC376335  Plectritis Greg de Nevers 1997-5-13 10997 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Pepperwood Weimar Pond. 400 Comment
  CAS-BOT-BC260925  Pleuropogon californicus Mary P. Wells 1984-4-23 189 Sonoma Rincon Valley, Santa Rosa Comment
  UCD37568  Pleuropogon californicus Beecher Crampton 1955-4-5 2417 Sonoma 2.5 miles south of Windsor, western boundary of Sonoma County Airport, along Mark West Road. Comment
  UCD90156  Pleuropogon californicus G. F. Hrusa; A. Buckman, R. Gross 1995-4-1 12032 Sonoma Lagunda de Santa Rosa. Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. 75 Comment
  UCD90174  Pleuropogon californicus Lewis S. Rose 1962-4-11 62020 Sonoma Laguna de Santa Rosa. 1/2 mile east of Cunningham. 15 Comment
  JEPS117079  Pleuropogon californicus var. californicus Peter Warner 2010-5-6 140 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
  UCD90148  Pleuropogon californicus var. californicus Beecher Crampton 1965-5-13 7343 Sonoma Lytton, 4 miles south of Geyserville. Along the railroad. Comment
  UCD90193  Pleuropogon californicus var. californicus R. Tofsrud 1949-4-1 s.n. Sonoma south of East Windsor. Comment
  CHSC66975  Pleuropogon davyi James D. Jokerst; Lorie May 1993-5-13 3979 Sonoma Sonoma Air Center. Comment
  NY431399  Pleuropogon hooverianus P. P. But 1975-5-17 P 4 Sonoma Along Bohemian Hwy. at Freestone Flat Road, 0.5 mile from Freestone Comment
  UCR275262  Poa Peter Rubtzoff 1976-5-30 8576 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  UCD92204  Poa Collector Unknown 1941-4-1 380 Sonoma S. R. Creek Canyon. Comment
  CAS-BOT-BC255612  Poa annua Peter Rubtzoff 1952-3-23 884 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the E Comment
  CAS-BOT-BC254552  Poa douglasii A. A. Heller 1902-3-29 5187 Sonoma At Bodega Bay Comment
  RSA63655  Poa howellii Milo S. Baker s.n. Sonoma Hood Mountain; above Gray Ranch 305 Comment
  CAS-BOT-BC256024  Poa pratensis Rimo Bacigalupi 1926-5-2 1406 Sonoma Cazadero Comment
  CAS-BOT-BC256036  Poa pratensis Peter Rubtzoff 1963-6-5 5153 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC256037  Poa pratensis Peter Rubtzoff 1960-6-8 4465 Sonoma Fife Creek Marsh Comment
  POM204982  Poa secunda A. A. Heller 1902-4-9 5245 Sonoma In a railroad cut three miles south of Healdsburg. Comment
  SEINET11688534  Poa secunda C. F. Quibell 1980-1 1427 Sonoma Geysers Geothermal area, floristic survey for P.G & E (Vic. unit 18) 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
  UCD90893  Poa secunda subsp. secunda B. A. Etcheverry 1928-4-22 s.n. Sonoma Wilbur Springs. Comment
  CAS-BOT-BC243256  Poa secunda subsp. secunda G. DeNevers 1982-3-28 1943 A Sonoma Sugarloaf Ridge State Park, near the parking lot Comment
  HSC100957  Poa secunda subsp. secunda Peter Warner 2011-5-13 196 Sonoma Jenner Headlands, N edge of Johnson Field, ~580 m, N84 deg. E of Hwy. bridge at Russian Gulch, S edge of gulch that crosses Muniz Ranch Rd. 0 Comment
  UCD91631  Poa secunda subsp. secunda Freed W. Hoffman 1942-4-15 2261 Sonoma Near Guerneville, Herr Ranch. Comment
  CAS-BOT-BC244202  Poa trivialis John Thomas Howell 1951-5-28 27495 Sonoma Laguna E of Sebastopol Comment
  RSA227196  Poa trivialis Peter Rubtzoff 1955-6-26 1905 Sonoma Duncan Mills Marsh. Comment
  CAS-BOT-BC244260  Poa unilateralis B. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar Comment
  UCR266716  Poa unilateralis P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar 14 Comment
  CDA41540  Pogogyne douglasii G. F. Hrusa, A. Buckmann 1996-10-5 13586 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. 2 mi. SW of Calistoga. Comment
  JEPS81440  Pogogyne douglasii L. R. Heckard 1982-7-24 5827 A Sonoma Old Naval Air Station Comment
  JEPS81441  Pogogyne douglasii subsp. parviflora L. R. Heckard 1982-7-24 5827 A Sonoma Old Naval Air Station. Fall 1981 Comment
  POM233136  Pogogyne douglasii subsp. parviflora Lyman Benson 1930-6-18 2164 Sonoma South of Santa Rosa. 61 Comment
  CAS-BOT-BC376254  Pogogyne serpylloides Greg de Nevers 1995-5-5 10719 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Weimar Flat roadbed vernal pools 487 Comment
  UCD98409  Polycarpon tetraphyllum Frederica Bowcutt 1984-6-23 418 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along the Sonoma County coast. Immed. N of Gerstle Cove. W of Hwy. 1. 15 Comment
  CAS-BOT-BC110531  Polygonum Peter Rubtzoff 1975-8-28 8363 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC164392  Polygonum Peter Rubtzoff 1970-5-30 6248 Sonoma 5 mi. north of Sears Point Comment
  UCD166217  Polygonum Peter Rubtzoff 1970-5-30 6246 Sonoma 5 mi. north of Sears Point. Comment
  RSA0056452  Polygonum amphibium Greg de Nevers 1998-6-28 11296 Sonoma Lautenberg Ranch, Spencer Lane, Knights Valley. Comment
  POM161244  Polygonum amphibium var. stipulaceum R. C. Bacigalupi 1958-6-18 s.n. Sonoma Beach at mouth of Salmon Creek, 2 miles N of Godega Bay Comment
  UCD73926  Polygonum bolanderi G. Ledyard Stebbins 1966-7-22 6480 Sonoma Mountain Home Ranch, 3.5 miles west of Calistoga. 274 Comment
  RSA234469  Polygonum hydropiper Peter Rubtzoff 1966-9-25 5821 Sonoma Laguna de Santa Rosa E of Graton, betw. Occidental and Guerneville Roads. Comment
  SEINET11933364  Polygonum lapathifolium W. Knight, Knight, I. 1984-1 5050 Sonoma 3 mi up Cavedale Road from Hwy 12 in wet spring area Comment
  RSA234570  Polygonum punctatum Peter Rubtzoff 1955-8-28 2106 Sonoma Forestville Marsh Comment
  POM198410  Polypodium glycyrrhiza Marcus E. Jones 1931-7-5 29173 a Sonoma The Geysers. Comment
  UCD136868  Polypodium glycyrrhiza Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 57 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. 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-BC331490  Polypogon Peter Rubtzoff 1973-9-8 7303 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. 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-BC368033  Polypogon interruptus Greg de Nevers 1998-6-20 11290 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Rogers Apple Orchard. 400 Comment
  CAS-BOT-BC237412  Polypogon monspeliensis Peter Rubtzoff 1963-7-27 5217 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC237612  Polypogon viridis J. W. Stacey 1923-10-15 s.n. Sonoma Monte Rio Comment
  CAS-BOT-BC72170  Polystichum californicum D. E. Breedlove 1983-5-4 58704 Sonoma Pepperwood Ranch W of Knights Valley Comment
  JEPS86734  Polystichum californicum Jack and Betty Guggolz 1990-6-4 1056 Sonoma ca. 11 km e Healdsburg (on Ferrari-Carano Ranch) 198 Comment
  CAS-BOT-BC72482  Polystichum munitum Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC72484  Polystichum munitum Peter Rubtzoff 1952-3-22 862 Sonoma bordering the Upper Marsh in the west 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-BC445299  Portulaca oleracea Peter Rubtzoff 1958-8-16 3870 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road). Comment
  CAS-BOT-BC452163  Potamogeton diversifolius Peter Rubtzoff 1955-7-16 1970 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC267141  Potamogeton foliosus 1877-6-17 s.n. Sonoma Russian River, Guerneville Comment
  CAS-BOT-BC251265  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh area. Comment
  UCD164983  Potamogeton nodosus Peter Rubtzoff; Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7812 Sonoma Kenwood Marsh. Comment
  RSA800840  Potamogeton nodosus Peter Rubtzoff 1971-6-25 6552 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  RSA800841  Potamogeton nodosus Peter Rubtzoff 1970-8-18 6312 Sonoma 5 miles north of Sears Point. Comment
  SBBG21354  Potentilla anserina subsp. pacifica V. Haraden 1941-7-13 8 Sonoma near beach ca. 1 mi N of the head of Bodega Bay Comment
  CAS-BOT-BC517367  Prosartes smithii Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  CAS-BOT-BC6245  Prunella vulgaris var. atropurpurea Amos Arthur Heller 1902-6-4 5639 Sonoma Santa Rosa Comment
  RSA135471  Prunella vulgaris var. lanceolata Volney Rattan 1877-6-16 s.n. Sonoma Guerneville Comment
  UC1321010  Prunella vulgaris var. vulgaris Peter Rubtzoff 1961-9-6 4729 Sonoma ne Graton (Laguna de Santa Rosa area); , ne of Graton Comment
  POM139676  Prunus subcordata A. A. Heller, H. E. Brown 1902-4-4 5215 Sonoma Hills east of Santa Rosa Comment
  CAS-BOT-BC356922  Pseudognaphalium californicum Peter Rubtzoff 1951-8-25 670 Sonoma Hills southeast of Guerneville Comment
  JEPS128240  Pseudognaphalium luteoalbum Roger Raiche 2000-5-4 079 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD135110  Pseudotsuga menziesii Alan A. Beetle 1940-4-7 2596 Sonoma 1 mile south of Ft. Ross; hgwy #1 between Jenner and Ft. Ross. Comment
  UCD37502  Pseudotsuga menziesii var. menziesii Beecher Crampton 1960-10-10 5789 Sonoma 5 miles northwest of Calistoga, Franz Valley, along Highway 128. Comment
  SEINET5345374  Pseudotsuga menziesii var. menziesii L. Fallon 1939-1-6 s.n. Sonoma 10 miles north of Guerneville Comment
  UCD135111  Pseudotsuga menziesii var. menziesii J. Adams; J. Weick 1993-5-8 260 Sonoma Sugarloaf State Park, about 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Comment
  CAS-BOT-BC166788  Psilocarphus Peter Rubtzoff 1974-6-9 7587 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173828  Psilocarphus Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7401 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC176118  Psilocarphus Peter Rubtzoff 1963-6-6 5168 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  UCD166085  Psilocarphus Peter Rubtzoff 1971-6-25 6553 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC361862  Psilocarphus oregonus Alice Eastwood 1921-4-24 10330 Sonoma Santa Rosa Comment
  UC1601292  Psilocarphus oregonus E. Palmer Sonoma Petaluma Comment
  UC35754  Psilocarphus oregonus Miss King 1897-1-1 Sonoma Healdsburg Comment
  POM165161  Pterostegia drymarioides A. A. Heller, H. E. Brown 1902-5-27 s.n. Sonoma Bodega Bay. Comment
  UC125360  Pterostegia drymarioides Katharine Brandegee June 1905 Sonoma Bodega Comment
  CAS-BOT-BC421371  Pterostegia drymarioides Milo S. Baker 1925-4-26 234 Local Sonoma Bluff opp. House, Maple Glen Comment
  UCD100916  Pterostegia drymarioides P. G. Connors 1991-6-14 154 Sonoma University of California Bodega Marine Laboratory. Bodega Head and Dunes. Comment
  UCD19519  Pterostegia drymarioides Terry Reedy 1974-5-11 219 Sonoma Bodega Head. 9 Comment
  SEINET11910565  Pyracantha crenulata W. Knight, Knight, E.; Howell, J. T. 1984-1 5073 Sonoma Arnold Dr across from Tenelec near El Verano Comment
  UC1042430  Pyrus communis Peter Rubtzoff 1952-10-26 1329 Sonoma near Forestville (Pitkin Marsh, w branch of Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC94230  Quercus X eplingii Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5139 Sonoma Pine Mountain Rd. 304 Comment
  CDA11974  Quercus X morehus G. F. Hrusa, J. Pfeiffer 1995-9-23 12467 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.7 m. E of Hwy 12 on Cavedale Rd. Lower part of Island, below summit. Comment
  UC424815  Quercus X morehus unknown 1930-3-1 3880 Sonoma Vine Hill Region, on <?>rei Ranch Vine Hill Region Comment
  UCD45276  Quercus berberidifolia Roman Gankin 1967-10-4 1078 4 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  CAS-BOT-BC62714  Quercus chrysolepis Irja Knight; Walter Knight 1964-11-15 786 Sonoma Hood's Peak below Johnson Lake Comment
  UCD45376  Quercus chrysolepis M. Wiesendanger 1927-5-5 730 Sonoma Maul Oak. Canyon Oak. Kenwood Springs. Comment
  UC1193272  Quercus douglasii G. W. Tourtillott 1950-4-28 14 Sonoma 1 mi e Hale ranch; Sulphur Creek 213 Comment
  CAS-BOT-BC79570  Quercus dumosa G. De Nevers 1981-9-5 1822 Sonoma In the W arm of the Garrison Canyon Comment
  CAS-BOT-BC94153  Quercus durata D. E. Breedlove 1962-6-6 2904 Sonoma on State Highway 128, 4.0 miles NW of U.S. Highway 101 at Cloverdale 289 Comment
  SEINET12028623  Quercus durata W. Knight, Knight, I. 1981-1 3972 Sonoma 3.1 mi up Cavedale Rd from jct of State Rt #12 Comment
  UCD45949  Quercus durata var. durata A. R. Kruckeberg 1947-5-4 1437 Sonoma On first serpentine outcrop on Ida Clayton Road (from Kellogg to Middletown) from Knights Valley, in Sonoma (?) County, California. Comment
  UC1193250  Quercus garryana P. Zinke 112 Sonoma Pine Mt. Road Comment
  UC1299700  Quercus garryana Freed W. Hoffman 1946-8-17 799 Sonoma Gilliam Creek, a branch of East Austin Creek North Coast Ranges, East Austin Creek Comment
  POM270134  Quercus garryana var. garryana Lyman Benson 1933-8-23 5687 Sonoma Mark West Springs, Hood's Peak Mt. Range. 305 Comment
  RSA623531  Quercus kelloggii J. M. Tucker 1952-9-20 2622 Sonoma Voight Ranch, ca. 1.25 miles (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse. Comment
  UCD46739  Quercus kelloggii John M. Tucker 1952-9-20 2622 Sonoma California, Sonoma Co.; Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse; Comment
  UC72503  Quercus kelloggii Miss K. Jones 1904-8-1 Sonoma Mt. Olivet Comment
  CAS-BOT-BC62846  Quercus lobata Dorothy Scherer 1996-10-14 74 Sonoma North of barn off Deaview Rd. SE corner of Fort Ross State Historic Park 441 Comment
  UCD163814  Quercus parvula var. shrevei Stephen K. Langer; and Charles S. Rand 1998-6-30 s.n. Sonoma Highway 128, 0.7 mi. southeast of Mendocino County line. 213 Comment
  UC1135382  Quercus wislizeni E. Armstrong 1934-3-26 908 Sonoma 1 mi w Camp Meeker; Sebastopol Quad. 152 Comment
  UCD14498  Quercus wislizeni Steven J. Barnhart 1994-6-5 s.n. Sonoma California, Sonoma Co.; Salt Point State Park east of Highway 1, near junction of fire road up to the meadow and the trail to the Pygmy Forest. Comment
  UCD47597  Quercus wislizeni K. Cuff 1948-8-26 KC 58 Sonoma 5 miles north of Annapolis, Section 1, T. 11N, R. 14W. 426 Comment
  CDA11187  Quercus wislizeni var. frutescens G. F. Hrusa 1989-1-2 5804 Sonoma North Coast Biodiversity Arena; NW side of Mt. St. Helena, midway up Ida Clayton Rd from Hwy 128. Comment
  CDA10852  Quercus wislizeni var. wislizeni G. F. Hrusa, G. L. Stebbins 1994-4-8 11728 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  UC1084358  Ranunculus californicus G. Thomas Robbins 1937-3-26 17 Sonoma meadow near Wright School (on hwy to Sebastopol) Comment
  CAS-BOT-BC378678  Ranunculus californicus var. californicus Rimo Bacigalupi 1926-5-2 1372 Sonoma Cazadero Comment
  CAS-BOT-BC378690  Ranunculus californicus var. californicus Saichi Kawahara 1968-4-20 317 Sonoma Trinity Road, 1 mi northeast of Highway 12 152 Comment
  UCR139478  Ranunculus californicus var. cuneatus A. A. Heller 1938-5-14 15082 Sonoma San Francisco Bay/Central Coast region, the bluff north of Bodega Bay 61 Comment
  UC72749  Ranunculus lobbii Milo S. Baker 1898-5-7 603 Sonoma Glen Ellen 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
  UC1542900  Ranunculus occidentalis H. E. and S. T. Parks 1930-5-9 614 Sonoma Alexander Valley; on banks of stream entering valley Comment
  SBBG53137  Ranunculus occidentalis var. occidentalis M. R. Benedict 1978-4-18 Sonoma Hwy 128 ca. 5 mi W of Calistoga Comment
  SEINET12094350  Ranunculus parviflorus H. K. Wagnon 1989-1 1867 Sonoma 5555 Montgomery Dr., Santa Rosa 67 Comment
  JEPS18121  Ranunculus pusillus Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-31 5677 Sonoma above Canyon of Big Austin Creek (4 mi n of Cazadero, above Arroyo Gun Club); Onion Pond 154 Comment
  UC118200  Ranunculus pusillus Mich. and Bioletti 1892-5-1 Sonoma Shellville Comment
Read comments
Jul 22 2010
  RSA202091  Ranunculus pusillus Rimo Bacigalupi, G. Thomas Robbins, Ralph Hoffmann 1957-5-31 5677 Sonoma Onion Pond' above Canyon of Big Austin Creek, above Arroyo Gun Club, 4 miles N of Cazadero. 155 Comment
  SD134015  Raphanus sativus Greg de Nevers 1986-12-17 8118 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 29 Comment
  HSC100877  Reseda luteola Peter Warner 2011-6-16 216 Sonoma Jenner Headlands property, NE area on ridge between Jenner Gulch and Kidd Creek watersheds, ~400 m E from gate at boundary with the E & P Ranch, along 'east ridge' road. 413 Comment
  SEINET12210981  Rhamnus californica W. Knight, Knight, I. 1984-1 5005 Sonoma Gualala Point Regional Park, in picnic area with grand firs and Douglas firs 11 Comment
  SEINET12211235  Rhamnus californica W. Knight, Knight, I.; Edwards, S. 1985-1 6330 Sonoma Bradford Mt., NW of Healdsburg 762 Comment
  JEPS78946  Rhamnus californica subsp. californica Edward Lee 1936-6-8 2213 Sonoma North Ridge to Smith Creek (Trail 3A) Comment
  CDA35697  Rhamnus californica subsp. occidentalis T. C. Fuller 1954-5-24 3994 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CAS-BOT-BC55943  Rhamnus crocea Walter Knight; Irja Knight 1963-9-1 142 Sonoma Pine Mt. Rd. - NE of Cloverdale Harold Smith Ranch Comment
  SEINET12211236  Rhamnus crocea W. Knight, Knight, I.; Edwards, S. T. 1988-1 6328 Sonoma South slope of Bradford Mt., NW of Healdsburg 762 Comment
  SBBG5547  Rhododendron neoglandulosum J. M. Tucker 1958-5-24 3387 Sonoma NW end of Pitkin Marsh, ca. 1.25 mi ESE of Forestville Comment
  UC1084452  Rhododendron occidentale G. Thomas Robbins 1937-5-23 204 Sonoma 10 mi w of Santa Rosa (Vine Hill Region, Pitkin Ranch); Vine Hill Region, Pitkin Ranch Comment
  UC22146  Rhododendron occidentale W. H. Brewer 1861-11-9 859 Sonoma nw of Mount St. Helena Comment
  UCD117916  Rhododendron occidentale Chris Bowen 1974-5-18 113 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD117989  Rhododendron occidentale J. M. Tucker 1952-5-4 2361 Sonoma On bank of the Wheatfield Fork of the Gualala River, beside road from Geyserville to Stewart's Point, ca. 12 miles east of Stewart's Point. Comment
  CAS-BOT-BC200337  Rhododendron occidentale var. occidentale A. A. Heller 1902-6-24 5749 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC200344  Rhododendron occidentale var. occidentale Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol 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
  CAS-BOT-BC200336  Rhododendron occidentale var. occidentale Walter Knight; Irja Knight 1964-2-27 557 Sonoma Ca. 2 mi. S. Gualala on hiway #1 Comment
  CDA16153  Rhododendron occidentale var. occidentale R. Gross 1999-7-2 s.n. 1 Sonoma North Coast Ranges; NW side of Mt. St. Helena, seep below Ida Clayton Rd. (3 separate inds. on sheet.) 0 Comment
  CDA38887  Rhododendron occidentale var. occidentale T. C. Fuller 1958-5-24 3987 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CAS-BOT-BC111891  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh 182 Comment
  SEINET7546774  Rhynchospora californica J. T. Howell 1936-1 12679 Sonoma Pitkin Marsh, 5 mi. N of Sebastopol Comment
  CAS-BOT-BC111900  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh Comment
  RSA94075  Rhynchospora capitellata J. T. Howell 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  JEPS117111  Rhynchospora globularis Peter Warner 2010-7-29 174 Sonoma Lower Pitkin Marsh, ~ 425 m, N 33 deg. E from Hwy. 116 gate, ~ 100 m, N 40 deg. E from nearest fence corner to west, ~ 20 m E of secondary drainage channel dense w/ Rubus armeniacus. Comment
  RSA90511  Rhynchospora globularis var. recognita M. S. Baker 1945-7-18 11111 Sonoma Pitkin Marsh, upper meadow. Comment
  CAS-BOT-BC111938  Rhynchospora recognita Peter Rubtzoff 1951-9-2 723 Sonoma Pitkin Marsh, western branch of the Upper Marsh. Comment
  UC730046  Ribes californicum Leo F. Koch 1940-4-20 807 Sonoma about 3 mi from Highway 1 (Plantation road) Comment
  CAS-BOT-BC93053  Ribes californicum var. californicum A. A. Heller; H. E. Brown 1902-3-21 5113 Sonoma Hills southeast of Santa Rosa. Comment
  CAS-BOT-BC212921  Ribes menziesii John Thomas Howell 1934-3-3 11737 Sonoma 8 miles south of Fort Ross Comment
  UC754295  Ribes roezlii var. cruentum R. Bacigalupi 1948-3-6 2857 Sonoma on road from The Geyers to Geyserville; Mayacamas Range Comment
  UC75475  Ribes roezlii var. cruentum Milo S. Baker 1898-6-11 660 Sonoma Little Sulphur Creek Comment
  RSA0024609  Ribes roezlii var. cruentum A. A. Heller, H. E. Brown 1902-3-12 5037 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  CAS-BOT-BC209371  Ribes sanguineum var. glutinosum Dorothy Scherer 1996-3-16 005 Sonoma West of Hwy 1 and south of Kolmer Gulch, Fort Ross State Historic Park 9 Comment
  RSA0060109  Rorippa Greg de Nevers 1993-4-6 10356 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Creek, along Franz Valley Road by Franz Valley School Road. 100 Comment
  CAS-BOT-BC74393  Rorippa curvipes Peter Rubtzoff 1973-8-21 7250 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC74703  Rorippa curvisiliqua Peter Rubtzoff 1961-5-24 4600 Sonoma Upper Stemple Creek Marsh. Comment
  CAS-BOT-BC74715  Rorippa curvisiliqua Peter Rubtzoff 1976-9-25 8902 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC10728  Rorippa curvisiliqua H. N. Bolander Apr 1864 3894 Sonoma Mark West Creek Comment
  CAS-BOT-BC74719  Rorippa curvisiliqua Volney Rattan 1877-6-21 s.n. Sonoma Santa Rosa. Comment
  SEINET11996225  Rorippa curvisiliqua H. K. Wagnon 1989-1 1853 Sonoma Spring Lake County Park, Santa Rosa 67 Comment
  CAS-BOT-BC251220  Rosa canina Peter Rubtzoff 1976-5-30 8565 Sonoma Kenwood Marsh. Comment
  RSA107409  Rosa eglanteria L. S. Rose 1955-10-24 55188 Sonoma Two Rock 30 Comment
  UCD166412  Rubus Peter Rubtzoff 1960-5-16 4357 Sonoma Duncans Mills Marsh; upper portion of the marsh. Comment
  UCD166417  Rubus Peter Rubtzoff 1964-6-3 5346 Sonoma Bodega Bay Marsh. Comment
  RSA245523  Rubus discolor Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1086 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  UC1073291  Rubus spectabilis George B. Rossbach 1955-3-19 310 Sonoma on thoroughfare into Bodega Harbor opposite Doran Beach Point (e edge Bodega Head); , thoroughfare into Bodega Harbor 22 Comment
  CAS-BOT-BC158722  Rubus ulmifolius Mary P. Wells 1985-7-1 527 Sonoma Bank of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC158723  Rubus ulmifolius Mary P. Wells 1985-7-1 527 Sonoma Bank of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC157173  Rubus ursinus Alice Eastwood; John Thomas Howell 1939-4-2 7359 Sonoma Larkspur Rock Comment
  CAS-BOT-BC157175  Rubus ursinus Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC173539  Rumex Peter Rubtzoff 1964-7-29 5452 Sonoma Bodega Bay Marsh. Comment
  UC1042523  Rumex acetosella Peter Rubtzoff 1951-7-7 376 Sonoma near Forestville (e branch of Upper Pitkin Marsh); Pitkin Marsh Comment
  CAS-BOT-BC422238  Rumex acetosella G. DeNevers 1981-5-30 1336 Sonoma Pepperwood Ranch. N of Hansel's corral. Comment
  CAS-BOT-BC421848  Rumex conglomeratus Walter Knight; Irja Knight 1963-8-13 156 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC421856  Rumex conglomeratus John Thomas Howell 1938-7-3 13962 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC433414  Rumex crispus G. DeNevers 1981-5-7 1004 Sonoma Pepperwood Ranch. Confluence of Leslie Creek with Mark West Creek, along the bank of Mark West Creek. Comment
  RSA783832  Rumex obtusifolius Peter Rubtzoff 1962-10-23 5121 Sonoma Laguna de Santa Rosa area East of Graton, West of the Laguna. Between Occidental and Guerneville Roads. Comment
  UCD101464  Rumex pulcher Frederica Bowcutt 1994-6-24 1881 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek. Along Goodspeed trail, about 1/8 mile from trailhead on Adobe Canyon Rd. 213 Comment
  CAS-BOT-BC239854  Rytidosperma penicillatum Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch Comment
  CAS-BOT-BC445780  Sagittaria latifolia John Thomas Howell 1946-8-17 22879 Sonoma The Laguna just east of Sebastopol Comment
  RSA155528  Sagittaria latifolia L. S. Rose 1960-9-14 60091 Sonoma Laguna de Santa Rosa, 2 miles east of Grafton 15 Comment
  UC1191412  Salicornia europaea Herbert L. Mason 1946-7-29 12956 -A Sonoma 0.5 mi n Sears Point Comment
  UCR249332  Salix Peter Rubtzoff, J. E. Eckenwalder 1974-4-6 7352 Sonoma Kenwood Marsh 120 Comment
  RSA0015573  Salix Peter Rubtzoff, J. Eckenwalder 1974-4-6 7347 Sonoma Kenwood Marsh. At south margin of the area. Comment
  CAS-BOT-BC103088  Salix bonplandiana Peter Rubtzoff 1963-10-5 5292 Sonoma Laguna de Santa Rosa east of Graton Comment
  RSA534568  Salix bonplandiana Peter Rubtzoff 1961-8-24 4700 Sonoma Fife Creek Marsh. Along Fife Creek. Comment
  RSA534607  Salix bonplandiana Peter Rubtzoff 1960-5-29 4421 Sonoma Laguna de Santa Rosa near Trenton (S of Woodsey Road). Comment
  UC1299158  Salix breweri Freed W. Hoffman 1947-5-30 517 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  RSA13574  Salix coulteri W. A. Setchell 1934-7-10 7 Sonoma Coast Highway. N of Fort Ross. Comment
  UC453099  Salix exigua var. hindsiana W. A. Setchell 1931-7-25 Sonoma Russian R. at Bohemian Grove near Monte Rio Comment
  UC453117  Salix exigua var. hindsiana W. A. Setchell 1931-8-1 30 Sonoma Bohemian Grove near Monte Rio; Russian River 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-BC128051  Salix lasiandra var. lasiandra Walter Knight; Irja Knight; Dr. Steve Edwards 1986-9-9 5250 Sonoma Norborn Road, near Sonoma Comment
  CAS-BOT-BC107088  Salix lasiolepis Mary P. Wells 1986-2-2 736 Sonoma north of Wild Moor Reach, The Sea Ranch Comment
  CAS-BOT-BC107254  Salix lasiolepis Ball; Bracelin; Parks & Parks 1931-4-21 34 Sonoma Maacama Creek, about 25 km. northwest of Calistoga Comment
  UC453111  Salix lasiolepis W. A. Setchell 1931-8-1 25 Sonoma Jenner-by-the-Sea Comment
  UC482118  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UC482120  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UCD111636  Salix lasiolepis G. F. Hrusa 1998-3-15 14153 B Sonoma Hwy 128 at Lake Hennessey. 175 Comment
  CAS-BOT-BC107349  Salix lasiolepis var. bigelovii Peter Rubtzoff 1962-5-11 4812 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road) Comment
  CAS-BOT-BC125698  Salix melanopsis W. A. Setchell 1931-8-1 s.n. Sonoma Bohemian Grove, near Monte Rio, in gravelly bed of Russian River Comment
  RSA534497  Salix melanopsis Peter Rubtzoff 1957-5-26 3372 Sonoma Vacation Beach. Near Guerneville. Russian River. Comment
  CAS-BOT-BC126196  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 342 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  CAS-BOT-BC126197  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 343 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  UC511619  Salix scouleriana W. A. Setchell 1933-7-9 1 Sonoma well away from Russian R. Bohemian Grove; Monte Rio Comment
  UC524791  Salix scouleriana W. A. Setchell 1934-7-10 8 Sonoma Ridge Hwy. above Fort Ross Comment
  CAS-BOT-BC126189  Salix scouleriana Walter Knight; Irja Knight 1964-2-27 558 Sonoma 2 mi. S. Gualala on [hiway] highway #1 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-BC128905  Salix sitchensis Ball; Bracelin; Parks & Parks 1931-4-21 35 Sonoma Maacama Creek, 25 km. northwest of Calistoga Comment
  CAS-BOT-BC128942  Salix sitchensis Peter Rubtzoff 1959-6-20 4162 Sonoma Willow Creek Marsh Comment
  HSC20115  Salix sitchensis Theodore J. Crovello 1964-9-3 605 Sonoma Brooks Gulch Marsh on Hwy. 1, just S of Bodega Comment
  SD892  Salix sitchensis Carleton R. Ball, Bracelin, Parks & Parks 1931-4-21 36 Sonoma Maacama Creek, 25 km northwest of Calistoga Comment
  UC498691  Salix sitchensis Annetta Carter 1933-2-18 254 Sonoma 185 yds. from ocean Fort Ross (beside creek) 3 Comment
  UC524785  Salix sitchensis W. A. Setchell 1934-7-10 4 Sonoma Coast Hwy. above Fort Ross (Kru's Ranch) Comment
  SEINET10424546  Salix sitchensis A. A. Heller 1902-1 5044 Sonoma Sonoma Creek, foot of Mount Hood. Comment
  UCSB10843  Salix sitchensis Baker, Milo; Ball, Carleton; Bracelin, H. 1931-5-9 Sonoma About 2 km. east of Bodega Bay, Sonoma County Comment
  CAS-BOT-BC176848  Salsola australis Mary P. Wells 1992-11-16 1075 Sonoma Sixth Street where Adams Street ends, Santa Rosa Comment
  CAS-BOT-BC176914  Salsola tragus Catherine Best 1986-11-16 1232 Sonoma At the edge of Hwy. 121 near the railroad crossing 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
  SEINET12330321  Salvia sonomensis W. Knight, Edwards, S. 1985-1 5187 Sonoma Ridge NW of summit of Kortum Canyon Road Comment
  CAS-BOT-BC245883  Sambucus nigra subsp. caerulea Walter Knight; Irja Knight 1963-9-1 145 Sonoma Pine Mt. Rd., NE of Cloverdale, Harold Smith Ranch Comment
  CAS-BOT-BC245885  Sambucus nigra subsp. caerulea Peter Rubtzoff 1966-9-10 5818 Sonoma Atascadero Creek Marsh Comment
  RSA177985  Sanicula bipinnatifida R. F. Thorne 1965-4-20 34341 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  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
  RSA178040  Sanicula laciniata R. F. Thorne 1965-4-20 34388 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  SDSU7967  Satureja douglasii D. F Howe 1963-7-3 3589 Sonoma 20 miles north of junction with #12 on #1. Comment
  UC73121  Saxifraga mertensiana Milo S. Baker 1898-4-6 762 Sonoma near Nobles (Gualala River); Gualala River Comment
  UC1123203  Scandix pecten-veneris H. S. Yates 1934-4-21 3819 Sonoma near Monte Rio 60 Comment
  JEPS77256  Scandix pecten-veneris Robert M. Lloyd 1963-4-24 2395 Sonoma 13.8 mi from State Highway 12 on road to Oakdale 365 Comment
  CAS-BOT-BC283139  Schedonorus arundinaceus G. De Nevers 1981-6-18 1571 Sonoma On the dam at the Pippindale Pond, Pepperwood Ranch Comment
  CAS-BOT-BC283143  Schedonorus arundinaceus G. De Nevers 1981-6-20 1633 Sonoma At the Dentist's Lake, Pepperwood Ranch Comment
  CAS-BOT-BC283145  Schedonorus arundinaceus Mary P. Wells 1984-5-7 259 Sonoma By guest parking lot, Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC111528  Schoenoplectus americanus Peter Rubtzoff 1972-8-26 6861 Sonoma Stony Point Marsh. Comment
  NY663862  Schoenoplectus mucronatus P. Rubtzoff 1979-7-15 9290 Sonoma Knights Valley. Pond at east side of Ida Clayton Road just north of its junction with Hwy. 128. Comment
  CAS-BOT-BC111802  Schoenoplectus pungens var. badius Walter Knight; Irja Knight 1963-8-13 176 Sonoma Horseshoe Cove Comment
  UCD126452  Schoenoplectus pungens var. badius D. C. Fruchtenicht 1965-5-1 s.n. Sonoma around 50 yards from sea, southwest exposure; Marine Biological Station, Horseshoe Cove, Bodega Head. Comment
  CAS-BOT-BC111839  Schoenoplectus tabernaemontani Peter Rubtzoff 1986-9-28 9742 Sonoma Russian River at Forest Hills, 5.5 miles East of Guerneville. Comment
  CAS-BOT-BC111843  Schoenoplectus tabernaemontani Peter Rubtzoff 1962-7-4 4970 Sonoma Fitch Mtn. Grove, 2 mi. E of Healdsburg. Comment
  UCR255465  Scirpus koilolepis Ann Howald 2014-5-2 3001 Sonoma North Coast, c. 1.5 mi southeast of Del Mar Point 23 Comment
  CAS-BOT-BC111106  Scirpus microcarpus Peter Rubtzoff 1958-9-6 3982 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC111107  Scirpus microcarpus Peter Rubtzoff 1951-8-4 583 Sonoma A marshy opening south of the Upper Marsh, at the edge of a thicket. Comment
  CAS-BOT-BC111113  Scirpus microcarpus Peter Rubtzoff 1958-6-1 3692 Sonoma Laguna de Santa Rosa east of Cummingham (nr. Llamo Road). Comment
  CAS-BOT-BC111115  Scirpus microcarpus John Thomas Howell 1951-5-28 s.n. Sonoma Laguna east of Sebastopol. Comment
  UC70382  Scoliopus bigelovii Milo S. Baker 1898-4-3 Sonoma near Guerneville Comment
  SEINET12057686  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 shady floodplain of Dutch Bill Creek 50 Comment
  SEINET12058057  Scoliopus bigelovii F. H. Utech 1988-3-2 88 -013 Sonoma Stillwater Cove Park between CA 1 & Pacific Ocean, 4.5 mi N of Ft. Ross 10 Comment
  UCSB13223  Scoliopus bigelovii Dearing, Hugh; Dearing, Margaret 1939-5-14 Sonoma Nr. Monte Rio Comment
  CAS-BOT-BC311817  Scrophularia californica Peter Rubtzoff 1967-8-28 5870 Sonoma Lower Salmon Creek Marsh. Comment
  UCR249337  Scrophularia californica Peter Rubtzoff 1953-5-16 1356 Sonoma Vacation Beach, near Guerneville, along Russian River 3 Comment
  CHSC21969  Scutellaria californica Robert A. Schlising; Lloy Thurman 1962-6-15 2306 Sonoma Dutcher Creek Road, S of Cloverdale and Asti. Comment
  UCD151191  Scutellaria californica James A. Neilson Jr. 1974-7-10 2846 Sonoma Mayacmas Mountains, west side of Cobb Mountain, along road to PG and E geothermal units 9 and 10 at the Geysers. (Elevation estimated using a topo map by label maker.) 960 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
  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-BC62198  Selaginella wallacei J. Clausen 1935-5-24 1080 Sonoma Adobe Canyon along Sonoma Creek Comment
  UCD135987  Selaginella wallacei Frederica Bowcutt 1994-6-24 1897 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, Vista Trail about 1/2 way between Bald Mtn. Trail and Headwater Trail. 566 Comment
  UCD33565  Semiarundinaria fastuosa Beecher Crampton 1970-3-12 8543 Sonoma Sonoma County, El Verano, Green Tree Nursery. Comment
  JEPS37219  Senecio aronicoides Willis L. Jepson 1893-5-4 Sonoma trail to summit, e central Sonoma County Napa River Basin, Mt. St. Helena Comment
  UC485215  Senecio aronicoides H. P. Chandler 1907-4-21 7528 Sonoma road from Glen Ellen to Oakville Comment
  CAS-BOT-BC327426  Senecio flaccidus var. douglasii Volney Rattan 1887-7-25 s.n. Sonoma Valley Springs Comment
  UCD135597  Senecio minimus W. L. Jepson 1931-7-19 15954 Sonoma between Russian River mouth and Occidental. Comment
  UCD133852  Senecio sylvaticus Frederica Bowcutt 1984-6-23 447 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast.. North of Gerstle Cove about 1/2 mile. Salt Point State Park. 15 Comment
  RSA791558  Senecio vulgaris Peter Rubtzoff 1973-8-20 7220 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  JEPS76930  Sequoia sempervirens Robert M. Lloyd 1963-2-24 2049 Sonoma 0.5 mi n, on rd to Camp Meeks Occidental 45 Comment
  CAS-BOT-BC80326  Sequoia sempervirens A. A. Heller 1906-3-16 5080 Sonoma Russian [river] River near Trenton Comment
  CAS-BOT-BC240152  Setaria pumila Peter Rubtzoff 1968-9-21 5971 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC240276  Setaria viridis G. DeNevers 1981-6-20 1653 Sonoma Pepperwood Ranch. Along Franz Valley Road, N side of main hill at bottom of Hill Comment
  CAS-BOT-BC240277  Setaria viridis G. DeNevers 1981-6-20 1621 Sonoma Pepperwood Ranch. In Mark West Creek Comment
  CAS-BOT-BC540831  Sidalcea Peter Rubtzoff 1976-5-30 8578 Sonoma East side of Highway 12, ca. 0.75 mi. south of Kenwood (0.9 miles south of Warm Springs Road junction). Comment
  CAS-BOT-BC187888  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-8-4 569 Sonoma Southern half of Lower Marsh, Pitkin Marsh, near Forestville Comment
  SEINET7042678  Sidalcea diploscypha A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  SEINET11998343  Sidalcea malviflora C. F. Quibell 1976-1 1356 Sonoma Meacham Hill, Christo fence route 30 Comment
  JEPS67240  Sidalcea malviflora subsp. laciniata W. L. Jepson 1921-5-6 9192 Sonoma Sonoma Valley Comment
  SEINET4854003  Sidalcea malviflora subsp. laciniata C. Leo Hitchcock 1952-6-4 19582 Sonoma About 2 miles east of Sebastopol on road to Petaluma. Comment
  RSA178041  Sidalcea malviflora subsp. malviflora Robert F. Thorne 1965-4-21 34424 Sonoma 3 miles S. of Petaluma, just N. of Marin County line. 15 Comment
  POM225311  Sidalcea oregana subsp. valida J. T. Howell 1932-9-18 10766 Sonoma Kenwood Marsh near Kenwood Comment
Read comments
Mar 10 2009
  UCR250038  Sidalcea oregana subsp. valida Peter Rubtzoff, Rimo Bacigalupi 1979-8-6 9305 Sonoma Knights Valley, south side of Bavarian Lion Company ranch road, 1.25-1.5 miles west of its junction with Franz Valley Road 152 Comment
  CAS-BOT-BC251240  Silene Peter Rubtzoff 1967-8-28 5860 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC311803  Silene Peter Rubtzoff 1974-5-19 7444 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads, near the end of Hall Road. Comment
  JEPS50892  Silene californica M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 235 Sonoma near Guerneville; Russian River, near Guerneville Comment
  JEPS57379  Silene californica L. R. Heckard and T. I. Chuang 1968-6-18 1950 Sonoma Franz Valley Road 2 mi w of junction with Franz Valley School Road; Franz Valley Road Comment
  UCR248744  Silene gallica Peter Rubtzoff 1974-5-26 7487 Sonoma Bennett Valley Road, 4.25 miles west of Glen Ellen Comment
  UCR253366  Silene gallica Peter Rubtzoff 1971-7-3 6589 Sonoma Intermittent lake off west side of Hwy 1, 0.7 miles SE of Salmon Creek crossing 30 Comment
  CAS-BOT-BC392498  Silene gallica A. A. Heller 1902-6-10 s.n. Sonoma Santa Rosa Comment
  UCD160112  Silene laciniata subsp. californica James A. Neilson Jr. 1973-6-3 2955 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC389224  Silene laciniata subsp. californica G. DeNevers 1981-6-27 1698 Sonoma Pepperwood Ranch. Along Franz Valley Road Comment
  JEPS53886  Sisymbrium altissimum R. Kuhn 1914-6-1 Sonoma Sonoma Comment
  UCD160117  Sisyrinchium James A. Neilson Jr. 1973-6-3 3040 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
  SEINET12048679  Sisyrinchium bellum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -085 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  UCD138810  Sisyrinchium bellum Cynthia Hodges 1982-4-8 15 Sonoma 10 miles south Healdsburg on Chalk Hill Road directly off Highway 128. 38 Comment
  SBBG1143  Sisyrinchium californicum H. and M. Dearing 1939-5-15 3367 Sonoma N of Fort Ross Comment
  UCSB913  Sisyrinchium californicum Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh; northwest of Sebastopol; 1 mile north of Sousa Corners 60 Comment
  CAS-BOT-BC164064  Solanum Peter Rubtzoff 1960-6-25 4521 Sonoma Laguna de Santa Rosa, east of Graton (between Occidental and Guerneville Roads). Comment
  CAS-BOT-BC164687  Solanum Peter Rubtzoff 1951-8-5 594 Sonoma Mirabel Park, 1.5 miles north of Forestville. Comment
  NY751859  Solanum americanum L. R. Landrum 1992-12-26 7807 Sonoma Near Bodega Bay. 6 Comment
  UCR281902  Solanum americanum Peter Rubtzoff 1965-9-11 5649 Sonoma North Coast Ranges, Russian River margin at Forest Hills, 5.5 miles east of Guerneville 9 Comment
  CAS-BOT-BC156865  Solanum umbelliferum M. S. Baker 1929-1-2 3401 b Sonoma North side Mill Creek, along trail from Cooper's Ranch to Cypress Grove Comment
  SEINET11808075  Solidago occidentalis W. Knight, Wagnon, K. 1987-1 s.n. Sonoma Willow Brook on embankment between Corona Rd & Old Redwood Hwy 6 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
  CAS-BOT-BC365264  Solidago velutina subsp. californica Mary P. Wells 1983-8-4 182 Sonoma North of Parking Lot south of Duncan's Point Comment
  CAS-BOT-BC173591  Soliva sessilis Peter Rubtzoff 1966-5-7 5710 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC365958  Soliva sessilis Peter Rubtzoff 1951-6-16 242 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC365970  Soliva sessilis D. E. Breedlove 1983-4-11 58689 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC164659  Sonchus Peter Rubtzoff 1953-11-1 1428 Sonoma Vacation Beach, near Guerneville along Russian River. 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-BC374530  Sonchus asper Peter Rubtzoff 1951-7-7 359 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC236527  Sorghum bicolor Walter Knight; Irja Knight 1963-10-11 428 Sonoma Marshall Ave., Petaluma Comment
  POM232058  Sparganium erectum subsp. stoloniferum Roxana S. Ferris 1937-8-18 9373 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC236634  Spartina foliosa J. W. Congdon 1880-10-1 s.n. Sonoma Petaluma Comment
  UCD92998  Spartina foliosa R. Tofsrud 1949-11-1 s.n. Sonoma Black Point Road. Comment
  RSA41907  Spergula arvensis H. C. Cantelow 1936-1-26 1115 Sonoma Cliffs above Bodega Bay. Comment
  RSA477990  Spergula arvensis E. A. Purer 1932-7-21 16084 Sonoma Bodega Bay. Comment
  CAS-BOT-BC390043  Spergula arvensis G. DeNevers 1981-3-14 536 Sonoma Pepperwood Ranch. Pippindale farm, 7 mi. NE of Santa Rosa, near Mark West lodge. Along Leslie road Comment
  CAS-BOT-BC390045  Spergula arvensis Peter Rubtzoff 1952-3-23 880 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  CAS-BOT-BC390051  Spergula arvensis Walter Knight; Irja Knight 1963-12-25 432 Sonoma Magnolia & Marshall Aves. Comment
  UCD99156  Spergula arvensis Frederica Bowcutt 1994-6-12 1860 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  CAS-BOT-BC258903  Spergularia Peter Rubtzoff 1955-8-7 2035 Sonoma Guerneville Marsh. Comment
  RSA0022382  Spergularia Peter Rubtzoff 1971-7-9 6597 Sonoma 5 miles north of Sears Point. Comment
  UCD99193  Spergularia bocconi Frederica Bowcutt 1984-6-23 457 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, north of Gerstle Cove about 1/4 mile. 15 Comment
  CAS-BOT-BC354328  Spiranthes Peter Rubtzoff 1969-6-27 6103 Sonoma Field redacted by CAS, contact the data manager for more information 426 Comment
  CAS-BOT-BC376238  Spiranthes porrifolia Greg de Nevers 1995-7-20 10762 Sonoma Field redacted by CAS, contact the data manager for more information 487 Comment
  CAS-BOT-BC534956  Spirodela punctata Peter Rubtzoff 1964-8-20 5466 Sonoma Pond one mile SE of Jenner (near crossing of Hwys. 1 and 12) Comment
  UCD163997  Stachys Peter Rubtzoff 1977-9-3 9124 Sonoma Perry Marsh. Comment
  RSA82588  Stachys ajugoides F. W. Peirson 1925-8-8 6341 Sonoma Roadside 6 miles south of Santa Rosa Comment
  UCLA71594  Stachys ajugoides var. ajugoides C. Epling, Wm. Robison 1935-7-28 Sonoma Shellville Comment
  UC25968  Stachys ajugoides var. rigida Harley P. Chandler 1900-5-25 Sonoma Bodega Bay Comment
  UCD160979  Stachys albens James A. Neilson Jr. 1975-7-8 3403 Sonoma Mayacmas Mountains. Socrates Mine. (Elevation and coordinates estimated by label maker.) 914 Comment
  SEINET6744782 Image available Stachys chamissonis Marcus E. Jones 1882-1 Sonoma Duncan's Mills Comment
Read comments
Apr 7 2018
  UCD160823  Stachys rigida James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3371 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 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
  UCD126047  Stachys rigida var. quercetorum Chris Bowen 1974-6-2 151 Sonoma Near Sea Gate Road, Unit 7 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD19189  Stachys rigida var. quercetorum Ray Hoffman 1976-5-31 22 Sonoma 0.3 mi. south of junction of State Hwy 116 and Moscow Rd., 0.2 mi. south on Freezeout Rd. 15 Comment
  CAS-BOT-BC502061  Stachys stricta Peter Rubtzoff 1975-8-11 8316 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC175333  Stellaria borealis subsp. sitchana Milo S. Baker 1928-4-28 3011 Sonoma Pitkin Swamp Comment
  UCD99339  Stellaria borealis subsp. sitchana Mary M. Hektner 1974-6-27 77 8 Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC175335  Stellaria borealis subsp. sitchana Peter Rubtzoff 1951-8-4 570 Sonoma Southern half of Lower Marsh. Pitkin Marsh, near Forestville Comment
  UCD166456  Stellaria media Peter Rubtzoff 1954-9-6 1736 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC397770  Stellaria media G. DeNevers 1981-4-27 878 Sonoma Pepperwood Ranch; Green gate near Hansel's corral. Comment
  RSA0008979  Stephanomeria Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  NY431573  Stipa pulchra A. A. Heller 1902-4-9 5252 Sonoma 3 miles south of Healdsberg Comment
  OBI35891  Stipa pulchra David J. Keil 1983-6-29 17205 Sonoma Ca. 10 mi SE of Ft. Ross along Hwy 1 Comment
  UCR274968  Streptanthus Jack and Betty Guggolz 2000-8-7 1644 Sonoma long-abandoned mining road east of the Crystal Mine 730 Comment
  JEPS27964  Streptanthus barbiger Rimo Bacigalupi and L. Heckard 1961-6-9 7742 Sonoma ca. 3/4 mi. n.w. Occidental School (along Stoetz Lane, ca. 1/2 mi. n.w. of its junction with Harrison Grade rd.) 228 Comment
  UCD115943  Streptanthus barbiger Roger Raiche 1984-6-10 RR 40212 Sonoma 8.6 miles west on Hot Springs Road from its origin at Rt. 101 near Cloverdale, across from Dry Creek. 198 Comment
  CAS-BOT-BC61215  Streptanthus brachiatus Lawrence F. LaPre 1985-6-25 s.n. Sonoma Around Socrates Mine, west of Pine Flats Road. Comment
  UCD167315  Streptanthus brachiatus James Neilson 1977-6-7 3907 Sonoma Mayacmas Mountains, Lunar Point. (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
  UCD167314  Streptanthus glandulosus James Neilson 1977-6-7 3906 Sonoma Mayacmas Mountains, about 1/3 mi south east Lunar Point. (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
  UC410837  Streptanthus glandulosus subsp. glandulosus Miss Anna F. Rodda 1929-5-6 Sonoma Geyserville 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
  UC1292660  Streptanthus glandulosus subsp. secundus A. R. Kruckeberg 1947-5-3 1436 Sonoma along Hwy 28 between milepost A-1140 and milepost A-1150 (about 3/4 mi w of Maacamas Creek crossing, hwy from Calistoga to Healdsburg, w end of valley); Knight's Valley Comment
  UC1322476  Streptanthus glandulosus subsp. secundus Jerry Powell 1966-5-18 608 Sonoma two mi e Healdsburg (steep sw-facing outcrop next to road) Comment
  UC985957  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-8-12 2355 Sonoma near headwaters Main Austin Creek; North Coast Ranges, Caughey Ranch Comment
  UC1492747  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1951-5-24 3861 Sonoma Blue Knoll North Coast Ranges, Ungewitter Ranch (w of Cazadero) Comment
  UC985969  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-8-18 3208 Sonoma Cazadero Rd between Guerneville and Cazadero; 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
  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
  JEPS128232  Streptanthus morrisonii Roger Raiche 2000-5-5 087 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  JEPS82240  Streptanthus morrisonii Roger Raiche 1983-8-6 30581 Sonoma headwaters Austin Creek (The Cedars); , Austin Creek 182 Comment
  JEPS82241  Streptanthus morrisonii Roger Raiche 1983-8-6 30581 Sonoma headwaters Austin Creek (The Cedars); , Austin Creek 182 Comment
  UC1292744  Streptanthus morrisonii Freed W. Hoffman 1950-6-17 3377 Sonoma Layton Mine, Austin Creek Comment
  UC1292745  Streptanthus morrisonii Freed W. Hoffman 1950-6-17 3378 Sonoma Steelhead Gulch North Coast Ranges Comment
  CAS-BOT-BC274041  Stuckenia pectinata Peter Rubtzoff 1970-10-3 6408 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC540810  Symphoricarpos Peter Rubtzoff 1959-5-31 4075 Sonoma Freestone Marsh. Comment
  UCD158713  Symphoricarpos albus var. laevigatus Teresa A. Sholars 1976-9-9 s.n. Sonoma Mayacmas Mtns. Ca. 1 mi southeast of the junction of Socrates Mine Rd. and Pine Flat Rd., along Big Sulphur Creek. Elevation estimated by label maker. 792 Comment
  CAS-BOT-BC269709  Symphoricarpos mollis D. E. Breedlove 1962-6-6 2900 Sonoma Along State Highway 128, 1.5 miles northwest of U. S. Highway 101 at Cloverdale 121 Comment
  RSA428904  Symphoricarpos mollis E. S. Spalding 1929-7-5 s.n. Sonoma Near St. Helena. Comment
  CAS-BOT-BC97827  Symphyotrichum chilense J. W. Congdon 1880-9-12 s.n. Sonoma Petaluma Comment
  CHSC63920  Taraxia ovata John Hale 1990-4-10 17 Sonoma 610 m. N. of Stillwater Cove. Meadow. 24 Comment
  UCD107042  Taraxia ovata Mary M. Hektner 1975-4-30 192 Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD107047  Taraxia ovata M. Wiesendanger 1927-5-5 707 Sonoma location unknown. Comment
  CAS-BOT-BC88008  Teesdalia coronopifolia Catherine Best 1990-3-24 1359 Sonoma In the southwest part of Annadel Park. Comment
  UC1127670  Tellima grandiflora H. S. Yates 1934-4-21 3789 Sonoma near Bodega; Sebastopol Quad. 60 Comment
  CDA24367  Thalictrum fendleri var. polycarpum Sherrald 1929-5-3 Sonoma 0 Comment
  CAS-BOT-BC366875  Thalictrum polycarpum Greg de Nevers 1998-4-27 11201 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  CAS-BOT-BC399886  Thalictrum polycarpum Greg de Nevers 1996-4-21 10796 A Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC399887  Thalictrum polycarpum Greg de Nevers 1996-4-21 10796 A Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  UC796642  Thermopsis californica var. californica Ira L. Wiggins 1949-4-30 12058 Sonoma roadside 6.8 mi e Santa Rosa (on road to Calistoga) Comment
  POM196178  Thermopsis californica var. californica Emma Hawkins 1929-3-10 s.n. Sonoma Coast Ranges Comment
  CAS-BOT-BC66806  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10933 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66811  Thysanocarpus curvipes Karl H. Rechinger; J. T. Howell 1953-4-12 s.n. Sonoma Hills north of Sonoma. Comment
  SEINET11996226  Thysanocarpus curvipes H. K. Wagnon 1989-1 1852 Sonoma Spring Lake County Park, Santa Rosa 67 Comment
  CAS-BOT-BC67336  Thysanocarpus radians John Thomas Howell 1931-4-2 6041 Sonoma Boyes Springs. Comment
  UC419740  Tiarella trifoliata var. unifoliata Mrs. H. P. Bracelin 1930-7-27 21 Sonoma one mi n Fort Ross; n of Fort Ross Comment
  UC764989  Tiarella trifoliata var. unifoliata R. F. Hoover 1941-5-14 5074 Sonoma on road to Camp Meeker 3 mi s Monte Rio Comment
  CAS-BOT-BC447598  Tiarella trifoliata var. unifoliata Volney Rattan 1877-6-14 118 Sonoma Guernville Comment
  SEINET12217316  Tiarella unifoliata F. H. Utech 1988-1 88 -200 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  RSA94008  Tofieldia glutinosa subsp. occidentalis Peter Rubtzoff 1951-7-1 338 Sonoma Pitkin Marsh, near Forestville; uppermost part of the western branch of the Upper Marsh. Comment
  UC71975  Tonella tenella Milo S. Baker May 1903 Sonoma Sonoma Creek Comment
  CAS-BOT-BC371426  Torilis arvensis Greg de Nevers 1996-6-3 10825 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA47813  Torilis nodosa Roxana S. Ferris, Laura Lorraine 1948-6-9 s.n. Sonoma Franz Valley Road ca. 3/4 mi. from Mark West Road Comment
  NY20762  Torreya californica M. S. Baker 1941-8-4 8592 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
  UCD135170  Torreya californica A. T. Leiser 1969-6-25 s.n. Sonoma Just So. Ft. Ross Park, Highway 1. Comment
  UCD135176  Torreya californica Lalit M. Srivastava 1957-11-1 22 Sonoma At side of State Highway 1, ca. 100 yards south of Fort Ross. 30 Comment
  CAS-BOT-BC169263  Toxicodendron diversilobum G. DeNevers 1981-4-18 738 Sonoma Pepperwood Ranch Comment
  SEINET9328465  Toxicodendron diversilobum Unknown 1974-4-29 1783 Sonoma Creek at south edge of vineyard, Asti Road ca. 1 mile south of Washington School Road, Asti, Sonoma County. S3, T10N, R10W MD. Botany 102, Botany Department, University of California, Davis. Comment
  UCD139866  Toxicoscordion fremontii L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  SDSU11972  Triantha occidentalis subsp. occidentalis D. F. Howe 1972-6-27 4842 Sonoma Near Pitkin Marsh 46 Comment
  CAS-BOT-BC519554  Triantha occidentalis subsp. occidentalis John Thomas Howell 1945-7-18 s.n. Sonoma Sonoma: Pitkin Marsh Comment
  CHSC24184  Trichostema laxum T. P. Spira 1976-7-23 Sonoma Ca. 2 mi nw of Camp Meeker and 1/4 mi n of Bohemian Hwy. 91 Comment
  HSC37861  Trichostema laxum Peter Sorensen 1976-7-30 Sonoma The Geysers, Big Sulphur Creek Comment
  UC157931  Trichostema laxum Milo S. Baker 1898-6-12 675 Sonoma Geyser Canyon 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-BC166926  Trifolium Peter Rubtzoff; Tim Tunison 1976-6-5 8587 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC173623  Trifolium Peter Rubtzoff; Nancy Harrison 1974-5-26 7468 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC173625  Trifolium Peter Rubtzoff 1974-4-17 7374 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC173639  Trifolium Peter Rubtzoff 1974-5-26 s.n. Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA784985  Trifolium Peter Rubtzoff 1974-4-17 7373 Sonoma Upper Green Valley Marsh. Comment
  RSA784984  Trifolium Peter Rubtzoff 1972-6-23 6786 Sonoma Atascadero Creek Marsh. Comment
  RSA784999  Trifolium Peter Rubtzoff 1976-5-30 8556 Sonoma Kenwood Marsh Comment
  UCD107340  Trifolium albopurpureum Botany 102 Students 1993-5-8 242 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Meadow Creek. 396 Comment
  UC80541  Trifolium albopurpureum var. dichotomum Alice Eastwood 1900-4-7 Sonoma Altruria Comment
  UCSC008686  Trifolium amoenum Randall Morgan 2014-1 Sonoma Comment
  POM21666  Trifolium barbigerum A. A. Heller 1903-4-23 6609 Sonoma Fort Ross. Comment
  UCD165149  Trifolium barbigerum Peter Rubtzoff 1974-5-18 7427 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCR119035  Trifolium barbigerum var. andrewsii Beecher Crampton 1955-4-5 2416 Sonoma Santa Rosa Area, 2.5 miles south of Windsor, western boundary of Sonoma County Airport, along Mark West Road 91 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
  UC1106199  Trifolium depauperatum var. depauperatum Peter H. Raven 1950-4-6 1607 Sonoma Rincon Ridge Comment
  CAS-BOT-BC376283  Trifolium fragiferum Greg de Nevers 1995-6-13 10752 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Trapper's Cabin yard 487 Comment
  UC631613  Trifolium fucatum P. B. Kennedy 1928-5-13 10151 Sonoma Sonoma to San Rafeal hwy Comment
  POM21425  Trifolium fucatum A. A. Heller 1902-4-14 7446 Sonoma Near Mark West Springs Comment
  UCD143710  Trifolium grayi Beecher Crampton 1955-4-5 2411 Sonoma Starr Road 3 miles northeast of Trenton, along Windsor Creek. Comment
  UCD143711  Trifolium grayi Beecher Crampton 1955-4-5 2416 Sonoma western boundary of the Sonoma County Airport, 2.5 miles south of Windsor. Comment
  UCD143716  Trifolium grayi Freed W. Hoffman 1947-4-7 1937 Sonoma near Windsor. Comment
  UCD109770  Trifolium hirtum Frederica Bowcutt 1994-5-21 1823 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles NW of Napa, 1.5 air miles NE of Kenwood. Along the Meadow Trail, .75 mile from the trail head. 396 Comment
  UCD109771  Trifolium hirtum Frederica Bowcutt 1994-6-12 1854 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 75 yards, N of Adobe Canyon Road up Pony Gate Trail. 426 Comment
  UCD109139  Trifolium hydrophilum P. G. Connors 1996-5-6 364 Sonoma 8 km S of Sonoma, W of Sonoma Creek, Viansa Wetlands. Comment
  SEINET6935123  Trifolium macraei W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Cove at Bodega Head. Comment
  UCD111372  Trifolium microcephalum P. G. Connors 1995-6-2 347 Sonoma Near old Gaffney ranch house site, near BML housing. Comment
  UC866894  Trifolium microdon L. R. Abrams 1918-4-27 6916 Sonoma near Healdsburg (Independence School) Comment
  UCSC005256  Trifolium variegatum Randall Morgan 1995-5-18 2618 Sonoma Santa Rosa, Vernal field at Stony Point Road (Across from Yuba Drive) Comment
  POM18721  Trifolium variegatum var. major D. C. Michener, F. T. Bioletti 1893-05 s.n. Sonoma Kenwood. Comment
  UCD109496  Trifolium variegatum var. major Terri Williamson 1990-5-20 59 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  JEPS4393  Trifolium variegatum var. variegatum E. Ferguson Jun 8 1919-Jun 10 1919 240 Sonoma near Guerneville Comment
  UCD55337  Trifolium vesiculosum Ellen Dean 2006-6-28 3181 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. In southeast part of vineyard where a new reservoir is planned 169 Comment
  SD40319  Trifolium wormskioldii Edith A. Purer 1932-7-24 4090 Sonoma Near Bridge Bay Comment
  UC1057434  Trillium albidum G. Thomas Robbins 1937-3-25 3 Sonoma Sonoma Creek Bennett Valley, Sonoma Creek Comment
  CAS-BOT-BC368088  Trillium ovatum Greg de Nevers 1998-4-30 11222 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Kitchen Creek, opposite Al Cuneo's cabin, section 6, northwest quarter 400 Comment
  JEPS77250  Triphysaria eriantha subsp. eriantha Robert M. Lloyd 1963-4-24 2389 Sonoma at Highway 12 and road to Oakdale 7.8 mi n Sonora 152 Comment
  UC138992  Triphysaria versicolor subsp. faucibarbata J. W. Congdon 1880-6-6 Sonoma Petaluma Comment
  UC58260  Triphysaria versicolor subsp. versicolor A. A. Heller 1903-4-23 6607 Sonoma Fort Ross Comment
  UC1133278  Trisetum canescens H. S. Yates 1936-5-16 5609 Sonoma 1 mi nw Mountain View School; Sebastopol Quad. 91 Comment
  UC1146666  Trisetum canescens Freed W. Hoffman 1943-6-6 2212 Sonoma coast road near Bridgehaven; North Coast Ranges Comment
  UCD93497  Trisetum canescens Beecher Crampton 1955-6-17 2948 Sonoma 4.5 miles S of Cazadero. Comment
  CAS-BOT-BC522368  Triteleia hyacinthina H. C. Cantelow 1936-5-3 s.n. Sonoma Between Shellville and El Verano Comment
  CAS-BOT-BC522371  Triteleia hyacinthina G. DeNevers 1981-5-9 1067 Sonoma E of the gate to the Redwoods; Pepperwood Ranch Comment
  CLARK-A1528-1521  Triteleia laxa John C. Roos 1950-7-22 4866 Sonoma Jenner Comment
Read comments
Sep 13 2015
  RSA540096  Typha angustifolia Peter Rubtzoff 1971-7-9 6592 Sonoma 5 miles north of Sears Point. Comment
  UCD94869  Typha latifolia Mary M. Hektner 1974-9-12 184 A Sonoma Sea Ranch. Near State Highway 1. Unit 36 Owners' Map. Comment
  CHSC997  Ulex europaeus M. Anthony 1953-3-9 Sonoma Comment
  SEINET9362232  Umbellularia californica Unknown 1990-5-4 Sonoma Sonoma Comment
  CAS-BOT-BC404233  Urtica dioica subsp. holosericea Peter Rubtzoff 1958-8-17 3890 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road) 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
  UC848742  Urtica dioica subsp. holosericea Marcus E. Jones, A. M. 1882-7-17 3483 Sonoma Duncan Mills Comment
  CAS-BOT-BC404229  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-9-13 5503 Sonoma Clear Lake State Park, along Cole Creek Comment
  UCD118089  Vaccinium ovatum A. T. Leiser 1969-6-24 s.n. Sonoma Red Mt. NE facing ravine. 91 Comment
  UCR23387  Vancouveria planipetala John C. Roos 1957-7-2 6647 Sonoma Miller Ridge Comment
  CAS-BOT-BC156316  Verbascum Peter Rubtzoff 1954-8-11 1687 Sonoma [Guernerville] Guerneville Marsh Comment
  CAS-BOT-BC156317  Verbascum Peter Rubtzoff 1962-6-22 4959 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC311842  Verbascum Peter Rubtzoff; Nancy Harrison 1974-7-13 7678 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC320550  Verbascum Peter Rubtzoff; Nancy Harrison 1974-7-13 7678 Sonoma Upper Green Valley Marsh. Comment
  JEPS11193  Verbascum blattaria M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 244 Sonoma near Guerneville Comment
  UCR248745  Verbascum blattaria Peter Rubtzoff, Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7808 Sonoma Kenwood Marsh 120 Comment
  CDA15998  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15678 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. with benches above. Comment
  CDA41760  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15680 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Sheet 1 of 2. Comment
  CAS-BOT-BC251263  Verbena Peter Rubtzoff 1972-7-23 6836 Sonoma Forest Hills-Summerhome Park area, ca. 5 miles east of Guerneville; Terrace Drive, 0.4 miles up from Summerhome Park Road. Comment
  JEPS39085  Verbena lasiostachys var. lasiostachys M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 238 Sonoma near Gurneville; Russian River Comment
  CAS-BOT-BC166927  Veronica Peter Rubtzoff 1969-6-14 6082 Sonoma Vernal pool 6.5 mi. northeast of Penngrove on Lichau Road. 426 Comment
  CAS-BOT-BC182754  Veronica americana Peter Rubtzoff 1958-6-1 3693 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC262801  Veronica americana Peter Rubtzoff 1977-9-4 9127 Sonoma Cunningham Marsh area, ca. 1 air mile west-southwest of Cunningham Station. Comment
  CAS-BOT-BC269312  Veronica americana Peter Rubtzoff 1976-5-30 8559 Sonoma Kenwood Marsh. Comment
  UCD148319  Veronica americana Peter Rubtzoff 1954-6-6 1461 Sonoma Guerneville Marsh. Comment
  RSA94356  Veronica americana Peter Rubtzoff 1951-6-9 151 Sonoma Northern half of Lower Marsh. Comment
  RSA0021071  Veronica persica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 mils east of Guerneville. At 9981 Old River Road. Comment
  CAS-BOT-BC257978  Vicia Peter Rubtzoff 1973-8-27 7265 Sonoma Upper Green Valley Marsh area. Comment
  UCD108841  Vicia Mary M. Hektner; Sue Dakuazku, Cathy Hendel 1974-7-3 108 Sonoma Unit 15 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR198231  Vicia villosa Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .274 Sonoma Cavesdale Road 518 Comment
  SEINET5230231  Viola adunca Unknown 1994-4-3 75 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  UC1057435  Viola douglasii G. Thomas Robbins 1937-3-25 9 Sonoma 8-10 mi e of Santa Rosa (near Golf and Country Club); Santa Rosa Creek Canyon Comment
  UC1749429  Viola douglasii Milo S. Baker 1933-3-25 7336 Sonoma 5 mi E Santa Rosa; Melitta Comment
  CAS-BOT-BC536902  Viola glabella Volney Rattan 1880-4-1 s.n. Sonoma Duncans Mill Comment
  UCD110883  Viola glabella Jo Nixon 1951-3-24 6 Sonoma Along side of Highway 1, 5 miles N of Bodega Bay. Comment
  HSC21828  Viola ocellata Malcolm L. Byce 1936-3-22 168 Sonoma Camp Miller, 3.5 mi. W of Cazadero, towards Ft. Ross, on Ward Creek Comment
  UC1742248  Viola rafinesquei Milo S. Baker Apr 1934 7705 Sonoma Brookside Garden Comment
  UC1762572  Viola sempervirens Milo S. Baker 1898-4-4 5546 Sonoma roadside between Cazadero and Sea View Comment
  CDA10943  Viola sempervirens G. F. Hrusa, G. L. Stebbins 1994-3-28 11701 Sonoma North Coast Biodiversity Arena; Along Austin Creek, 4.3 m. N of Duncan's Mills on D.M. Cazadero Rd. Adjacent to East Austin Cr. Rd. on E side of Creek. Comment
  UC1784157  Viola sempervirens Milo S. Baker 1926-12-3 s.n. Sonoma Pocket Canyon Comment
  UC1742250  Viola septentrionalis Milo S. Baker 1944-5-2 Sonoma Brookside Garden Comment
  CDA2764  Viscum album O. E. Bremmer 1929-12-29 Sonoma Santa Rosa. 0 Comment
  UC1540660  Viscum album D. Wiens and R. Sharpf 1973-6-17 4900 Sonoma Sebastopol, in and around the town Sebastopol Comment
  CDA14898  Viscum album G. D. Barbe 1968-1-1 859 Sonoma Semi-abandoned residence yard, 7790 Atkinson Road 1 block east of Hwy 122, 1.5 miles north of Sebastopol. 0 Comment
  UC1541477  Vitis californica H. E. and S. T. Parks 1930-8-20 693 Sonoma Maacama Creek Comment
  UCD58729  Vitis californica Eric Wada 2006-9-3 RR 4 Sonoma On Westside Road between Healdsburg and Guerneville. North bank of Russian River 18 Comment
  RSA7624  Vitis californica Carl B. Wolf, B. D. Stark 1933-9-27 5512 Sonoma 5.8 mi NW of Kellogg on road to Geyserville. 91 Comment
  CAS-BOT-BC199906  Vulpia bromoides Peter Rubtzoff 1955-6-4 1899 Sonoma Stony Point Marsh Comment
  CAS-BOT-BC199907  Vulpia bromoides Peter Rubtzoff 1958-5-10 3639 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Road)