Search Results — 2000 specimen records retrieved (1253 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

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

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCD109786  Abronia latifolia Eric S. Nagy 1990-5-18 s.n. Sonoma Bodega Head, first dune ridge W of harbor along road, E of marine lab dorms, Bodega Bay. Comment
  CAS-BOT-BC177030  Acacia dealbata Catherine Best 1982-10-14 s.n. Sonoma On Trinity Road about 6 miles north-west of Sonoma Comment
  CAS-BOT-BC177031  Acacia dealbata Walter Knight; Irja Knight 1990-3-22 6585 Sonoma Petaluma, on North N. McDowell between Palo Verde Dr. and Sunrise Dr. on west side of road Comment
  UCD160512  Acaena novae-zelandiae Daniel Potter; T. Harrington, M. Harrington, P. Lash, T. Potter. 2013-10-24 701 Sonoma Salt Point State Park, along Highway 1 at mile marker 43.37. 56 Comment
  CAS-BOT-BC361332  Acaena pinnatifida var. californica Greg de Nevers 1997-4-26 10982 Sonoma Point Reyes National Seashore, Bayview Trail Comment
  UCD67995  Acer macrophyllum S. M. Smukler 1995-6-3 19 Sonoma Across from Mark West Query, 4611 Porter Creek Road, at top of bank on North side of Porter Creek. In a riparian plant association. A tree, 20 m high. 100 Comment
  SEINET6998157  Achillea borealis subsp. californica Wanda P. Vestal, A. G. Vestal 1962-4-11 s.n. Sonoma 1 mile east of Occidental. Comment
  CAS-BOT-BC30087  Achillea millefolium Roxana S. Ferris 1932-5-27 8254 Sonoma Bodega Bay Comment
  CAS-BOT-BC30449  Achillea millefolium John Thomas Howell 1938-7-3 13958 Sonoma Pitkin Marsh Comment
  UC496396  Achillea millefolium Merle Randall 1930-6-10 Sonoma shore above mouth Russian River 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-BC29162  Achyrachaena mollis J. T. Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53994 Sonoma Fairfield Osborn Preserve of The Nature Conservancy, 4.5 miles NE of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UC65343  Achyrachaena mollis A. A. Heller 1902-4-16 5304 Sonoma Santa Rosa Comment
  CAS-BOT-BC29158  Achyrachaena mollis D. D. Keck 1933-5-28 2323 Sonoma 3.4 miles east of Shellville (jsut east of intersection of Sonoma Road) Comment
  RSA783731  Achyrachaena mollis Peter Rubtzoff 1974-5-18 7425 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  NY380619  Acmispon aestivalis A. A. Heller 1902-8-18 6051 Sonoma Santa Rosa Comment
  SEINET3523218 Image available Acmispon aestivalis A. A. Heller 1938-8-11 15321 Sonoma Knights Valley, Oak Belt of Upper Sonoran Life Zone 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
  CHSC26307  Acmispon brachycarpus P. Kunst 1977-4-11 18 Sonoma 121 Comment
  JEPS128216  Acmispon brachycarpus Roger Raiche 2000-5-4 057 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC391712  Actaea rubra Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  CAS-BOT-BC29850  Adenocaulon bicolor Rimo Bacigalupi 1926-5-2 1398 Sonoma Cazadero Comment
  UCR198233  Adenostoma fasciculatum Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .273 Sonoma Cavesdale Road 518 Comment
  JEPS128362  Adiantum aleuticum Roger Raiche 2000-5-28 122 .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
  UC1201284  Adiantum jordanii E. Samuels 230 Sonoma Comment
  POM136963  Aesculus californica A. A. Heller 1902-6-4 8924 Sonoma Santa Rosa. Comment
  RSA785736  Aesculus californica Carrie A. Herd 1982-4-25 84 Sonoma Crane Creek Regional Park Comment
  UCR218642  Aesculus californica George K. Helmkamp, E. A. Helmkamp 2010-6-4 16207 Sonoma North Coast Ranges, Mark West Springs Road, 1.7 rd. miles east of US-101, 2.5 air miles NE (75 deg. ) of Fulton 63 Comment
  CAS-BOT-BC29572  Agoseris apargioides var. eastwoodiae Alice Eastwood 1915-6-29 4893 Sonoma Bodega Point Comment
  UC891242  Agoseris grandiflora var. grandiflora Alice Eastwood 1921-5-8 10481 Sonoma Petaluma Comment
  JEPS128206  Agoseris heterophylla Roger Raiche 2000-4-23 041 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS36308  Agoseris hirsuta W. L. Jepson 1896-6-2 Sonoma Bodega Bay Comment
  CAS-BOT-BC422324  Agropyron Greg de Nevers 1989-4-1 9064 Sonoma Pepperwood Ranch Natural Preserve. Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC176397  Agrostis Peter Rubtzoff 1964-7-14 5403 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC176403  Agrostis Peter Rubtzoff 1971-6-29 6580 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC361297  Agrostis Greg de Nevers 1997-5-8 10992 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa, on Oak Hill Ranch 457 Comment
  RSA785754  Agrostis Peter Rubtzoff 1976-6-5 8584 Sonoma False Lake Meadow area, Annadel State Park. Comment
  RSA785907  Agrostis Peter Rubtzoff 1977-9-4 9130 Sonoma Cunningham Marsh area. Ca 1 air mile WSW of Cunningham Station Comment
  RSA785929  Agrostis Peter Rubtzoff, H. A. Froebe 1971-5-30 6501 Sonoma 4.25 miles W of Glen Ellen on Bennett Valley Road. Comment
  RSA0022419  Agrostis Peter Rubtzoff 1970-9-3 6377 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  SEINET10717806  Agrostis P. Rubtzoff 1968-6-19 Rubtzoff 5889 Sonoma Forest Hills (5.5 miles E of Guerneville). Russian River bank. Comment
  SACT000118  Agrostis alba Herbert Mason 1946-7-4 Sonoma Pitkin Marsh, btw Santa Rosa and Forestville 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
  UC1146602  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach North Coast Ranges Comment
  UCD37153  Agrostis densiflora Beecher Crampton 1957-7-11 4336 Sonoma Sonoma County, 1.7 miles north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD37156  Agrostis densiflora Beecher Crampton 1957-7-11 4350 Sonoma Sonoma County, 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  UCD51895  Agrostis densiflora Beecher Crampton 1957-7-22 4377 Sonoma 1.5 miles south of Stewart's Point. Comment
  UCD51967  Agrostis densiflora P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC126968  Agrostis exarata A. A. Heller 1902-6-27 5779 Sonoma West of Windsor near Russian River. Comment
  UCD52136  Agrostis exarata Freed W. Hoffman 1943-10-2 2171 Sonoma near Graton on Ross Road. Comment
  RSA94460  Agrostis exarata Peter Rubtzoff 1951-8-18 622 Sonoma Uppermost part of the western branch of the upper , Sonoma County Comment
  CDA13129  Agrostis exarata var. monolepis G. F. Hrusa, R. Gross 1996-6-3 13064 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  UC963879  Agrostis hallii Milo S. Baker 1947-5-12 11762 Sonoma Hood Mt. 426 Comment
  UCD52668  Agrostis hallii Beecher Crampton 1957-7-11 4301 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UC1146696  Agrostis microphylla Freed W. Hoffman 1941-6-20 2088 Sonoma Dutch Bill Creek North Coast Ranges, Dutch Bill Creek Comment
  UCD66731  Agrostis microphylla Leo Koch 1940-4-22 837 Sonoma Above Sulfur Creek Geysers. Comment
  CAS-BOT-BC139118  Agrostis oregonensis Peter Rubtzoff 1951-8-5 605 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  SD34475  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Sonoma County coast, 5 miles south of Steward Point, coastal bluffs. Comment
  SD56669  Agrostis stolonifera Darley F. Howe 1963-7-3 3586 Sonoma 20 miles north of junction with #12 on #1. Comment
  UC1023593  Agrostis stolonifera Virginia Bufford 1936-5-22 399 Sonoma 4 mi n Stewarts Point (Hwy 1) Comment
  RSA94090  Agrostis stolonifera J. T. Howell 1947-6-26 23302 Sonoma Cunningham Marsh Comment
  CHSC96764  Agrostis viridis A. McVicker 2005-6-6 1349309 Sonoma Nursery Plants. Sonoma County. Winkler Water Gardens at 1925 Fulton Road, Santa Rosa. Comment
  CAS-BOT-BC176183  Aira caryophyllea Peter Rubtzoff 1974-5-26 7475 Sonoma Vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  RSA244322  Aira caryophyllea Larry E. DeBuhr 1973-5-18 1098 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  RSA316038  Aira caryophyllea Patricia Wilder 1934-6-10 3634 Sonoma 1.0 mile N of Jenner on California state Hwy 1.North coast 23 Comment
  RSA785372  Aira caryophyllea Peter Rubtzoff 1974-5-18 7438 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  SEINET3127807  Aira caryophyllea Michener, Bioletti sn Sonoma S. Los Guilicos Comment
  CAS-BOT-BC138390  Aira caryophyllea var. capillaris L. R. Abrams 1918-4-27 6903 Sonoma Independence School near Healdsburg. Comment
  CAS-BOT-BC138389  Aira caryophyllea var. capillaris G. DeNevers 1981-5-5 945 Sonoma Pepperwood Ranch. Hansel's cow pasture. On the trail across the driveway to the Pippindale Garden. Comment
  CAS-BOT-BC138391  Aira caryophyllea var. capillaris Mabel Wiesendanger 1927-5-5 712 Sonoma Sonoma. Comment
  UC1023611  Aira elegantissima Milo S. Baker Apr 1936 234 Sonoma near Youngman's Rd. Comment
  SJSU6089  Alisma lanceolatum C. W. Sharsmith 1972-6-24 7810 Sonoma Laguna de Santa Rosa, N of Sebastapol, E of Graton Comment
  CAS-BOT-BC445337  Alisma lanceolatum Peter Rubtzoff 1961-6-17 4626 Sonoma Bennett Mtn. Lake. Comment
  UCD137919  Alisma lanceolatum Peter Rubtzoff 1956-9-11 2845 Sonoma Vacation Beach, 1.5 miles below Guerneville. Comment
  RSA216160  Alisma triviale Peter Rubtzoff 1954-6-20 1510 Sonoma Guerneville Marsh Comment
  UCD137982  Alisma triviale Peter Rubtzoff 1962-9-9 5076 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC368002  Allium Greg de Nevers 1989-6-8 9077 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UCR256119  Allium Greg de Nevers 1993-5-17 10450 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 220 Comment
  CAS-BOT-BC462380  Allium amplectens Milo S. Baker 1927-5-7 2124 b Sonoma Adobe Canon Comment
  CAS-BOT-BC462381  Allium amplectens Milo S. Baker 1927-6-10 2211 a Sonoma Macartney Woods Comment
  JEPS77860  Allium hickmanii Robert M. Lloyd 1965-5-8 3624 Sonoma 3 mi n. of junction with Aqua Caliente Road Highway 12 (meadow across from Lawrence Triangle End Garage) Comment
  UCD169968  Allium triquetrum Gary Bjork 2001-4-4 PDR 117291 Sonoma 2474 Copperfield Ct., Santa Rosa. Comment
  POM272871  Allium triquetrum Boone Hallberg 1947-4-12 220 Sonoma Half mile SE of Graton. 91 Comment
  UCD141806  Allium unifolium T. C. Fuller 1967-5-19 15884 Sonoma south side of Petaluma Valley Ford Hwy, 2 miles NE of Two Rock. Comment
  CAS-BOT-BC171434  Alnus rhombifolia Marcus E. Jones 1982-7-17 3484 Sonoma Duncan's Mills Comment
  CAS-BOT-BC169360  Alnus rubra Peter Rubtzoff 1954-6-19 1493 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC169361  Alnus rubra Peter Rubtzoff 1957-4-28 3286 Sonoma Lower Salmon Creek Marsh, along streamlet Comment
  SEINET177062  Alnus rubra M. E. Jones 1882-7-17 3484 Sonoma Duncan's Mills Comment
  CAS-BOT-BC138042  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1957-5-11 3332 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC138051  Alopecurus aequalis var. sonomensis John Thomas Howell 1945-5-30 20899 Sonoma Pitkin Marsh. Comment
  UCD55892  Alopecurus aequalis var. sonomensis H. S. Yates 1937-5-30 6555 Sonoma 1.5 miles east of Occidental. 91 Comment
  CAS-BOT-BC137905  Alopecurus saccatus Peter Rubtzoff 1968-6-20 5894 Sonoma 6.5 miles northeast of Penngrove on Lichan Road. 426 Comment
  UCD150834  Alopecurus saccatus Ayzik Solomescsh 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, north of city of Rohnert Park. East of Hwy 101 and south of Horn Ave. Elevation estimated from Google Earth by label maker. 30 Comment
  UCD164984  Amaranthus Peter Rubtzoff; Nancy Harrison, Ruth Hass, Charles Quibell 1974-8-31 7846 Sonoma Southern area of Kenwood Marsh, ca. 0.5 miles south of Kenwood. Comment
  OBI35909  Ambrosia chamissonis David J. Keil 1983-6-29 17190 Sonoma Doran Beach County Park, Bodega Head Comment
  RSA264758  Ammi majus Peter Rubtzoff 1975-8-16 8330 Sonoma Bennet Valley Road 1.8 miles east of Yalupa Ave. junction (ca. 4 miles east of Brigham Ave. crossing). Comment
  UCD127158  Ammi majus K. Esau 1935-7-19 s.n. Sonoma Near Petaluma. Comment
  UCD56002  Ammophila arenaria Beecher Crampton 1957-7-11 4317 Sonoma west of Bodega Harbor, 1-2 miles, by road, west of the town of Bodega Bay. Comment
  UC80627  Amorpha californica var. napensis Michener and Bioletti May, 1893 Sonoma Nun's Canyon Comment
  CAS-BOT-BC222278  Amsinckia John Thomas Howell 1934-3-25 11777 Sonoma Lakeville Comment
  UC1084546  Amsinckia spectabilis Peter Kamb 1952-5-30 2300 Sonoma n of Bodega Head (dunes between Bodega Harbor and the ocean) 6 Comment
  SEINET3351139 Image available Amsinckia spectabilis Roxana S. Ferris 1932-1 8257 Sonoma Bodega Bay Comment
  UCD160840  Anagallis arvensis James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3471 Sonoma Section 10, ca. 1.5 miles west of the Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  HSC17830  Anagallis arvensis S. N. Wiemeyer 1962-4-20 25 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UCD56045  Andropogon glomeratus H. S. Yates 1937-8-22 6865 Sonoma 2 miles SE of Forestville. 30 Comment
  UC1042505  Andropogon glomeratus var. pumilus Peter Rubtzoff 1951-11-24 849 Sonoma western branch of the Upper Marsh Pitkin Marsh (near Forestville); , western branch of the Upper Marsh Comment
  RSA0079932  Anemone oregana Greg de Nevers 1997-2-28 10902 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. West of Tower-in-Saddle, along fence line downhill from gate to Shurtleff property. 100 Comment
  UC70435  Anemone oregana Milo S. Baker 1903-3-19 Sonoma Sonoma; Creek canyon Comment
  RSA22250  Angelica californica Alice Eastwood, John Thomas Howell 1938-7-6 6084 Sonoma Alder Glen Springs Comment
  CAS-BOT-BC221432  Angelica hendersonii Alice Griffin 1925-7-1 s.n. Sonoma Stewarts Pt. Comment
  UC1299243  Angelica tomentosa Freed W. Hoffman September 1947 1388 Sonoma near Guerneville (North Coast Ranges, Quicksilver Mines); North Coast Ranges, Quicksilver Mines Comment
  CAS-BOT-BC271523  Anisocarpus madioides Edw. L. Greene 1894-6-14 s.n. Sonoma Knight's Valley Comment
  CAS-BOT-BC102234  Anthemis cotula Greg de Nevers 1987-5-11 8175 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC173672  Anthemis cotula Peter Rubtzoff 1954-7-27 1566 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC173816  Anthemis cotula Peter Rubtzoff 1969-8-14 6133 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  JEPS71147  Anthoxanthum aristatum Eleanor Armstrong 1932-6-9 191 Sonoma near Camp Meeker 121 Comment
  JEPS97536  Anthoxanthum aristatum R. D. Stone 1980-11-28 320 Sonoma the Sea Ranch; Annapolis Road area just below and W of landing strip Comment
  RSA63618  Anthoxanthum aristatum Leo Koch 1940-4-12 841 Sonoma Damp meadow north of Windsor on East side of Hwy 101. Comment
  SEINET5336058  Anthoxanthum aristatum L. Koch 1940-4-22 841 Sonoma along highway 101 N of Windsor Comment
  UCD37565  Anthoxanthum aristatum Beecher Crampton 1955-4-5 2412 Sonoma 3 miles northeast of Trenton, 3 miles southwest of Windsor, Starr Road, near Starr School, along Windsor Creek. Comment
  HSC93590  Anthoxanthum occidentale G. Fred Hrusa, G. L. Stebbins 1994-3-28 11705 Sonoma 14 mi. W of Cazadero Comment
  HSC8936  Anthoxanthum odoratum C. S. Chavez 1965-6-3 78 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  JEPS78901  Anthoxanthum odoratum Edward Lee 1936-6-8 2224 Sonoma Bohemian Grove, grounds near entrance Bohemian Grove Comment
  UCR179374  Anthriscus caucalis Frederica Bowcutt 1994-6-12 1859 Sonoma Sugarloaf Ridge, About 50 air miles N of San Francisco, 10 miles east of Santa Rosa, 1.5 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 433 Comment
  UC717979  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David D. Keck 1944-7-11 5510 Sonoma s bank The Geysers; Mayacamas Range Comment
  UCR44929  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum L. F. LaPre 1986-6-2 s.n. Sonoma Red Slide, serpentine rockslide along upper East Austin Creek, 5 mi north of Cazadero, 3 mi up a private road from Mannings Flats, Austin Creek State Recreation Area 305 Comment
  UC874555  Apium graveolens Marcus E. Jones, A. M. 1882-7-17 3604 Sonoma Duncan Mills Comment
  UC1299575  Apocynum androsaemifolium Freed W. Hoffman 1947-7-29 1418 Sonoma near Guerneville Guerneville (Gabe's Rock); North Coast Ranges, Gabe's Rock Comment
  UC629783  Apocynum androsaemifolium Milo S. Baker 1939-5-19 9334 Sonoma Gravenstein Hwy. ca. 1 mi. s. of Sousa's Cornera Comment
  CAS-BOT-BC128619  Arbutus menziesii Walter Knight; Irja Knight 1964-11-15 790 Sonoma Hood's Peak near Johnson Lake Comment
  OBI14777  Arbutus menziesii David Burgess 1957-11-25 10 Sonoma On a Mountain East of Santa Rosa Comment
  SEINET7258081  Arbutus menziesii L. Fallon 1939-1-2 s.n. Sonoma 10 miles west of Guerneville Comment
  UC1076469  Arceuthobium campylopodum H. L. Mason 1928-4-8 4285 Sonoma Fort Rosa Comment
  UCD168049  Arceuthobium campylopodum James Neilson 1981-7-1 4044 Sonoma Mayacmas Mountains, entrance to Unit 15. (Exact location unknown. Coordinates estimated by label maker. Unit 15 is PG and E Power Plant 15 (retired).) Comment
  CHSC69210  Arctostaphylos James D. Jokerst 1989-4-14 3096 Sonoma Healdsburg Area A Specific Plan Study, outside project area. Comment
  JEPS98814  Arctostaphylos James B. Roof, Walter Knight, Irja Knight 1967-3-19 Sonoma near Pitkin Marsh (Jones Christmas Tree Farm, near Vine Hill Road) Comment
  RSA629204  Arctostaphylos Jon E. Keeley 1993-9-11 24783 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629205  Arctostaphylos Jon E. Keeley 1993-9-11 24795 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1084441  Arctostaphylos G. Thomas Robbins 1940-3-22 301 Sonoma Guerneville Rd ca 8.5 mi w Santa Rosa (in small gully along road); Vine Hill region 45 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
  CHSC67658  Arctostaphylos bakeri James D. Jokerst; Virginia Getz 1988-3-16 3049 Sonoma Healdsburg near water reservoir across highway from Simi Winery. Comment
  UC1614274  Arctostaphylos bakeri Charles M. Belshaw 1936-3-7 1556 A Sonoma 2 mi nne of Occidental Comment
  UC1614275  Arctostaphylos bakeri Charles M. Belshaw 1936-3-7 1556 Sonoma 2 mi nne of Occidental Comment
  JEPS79448  Arctostaphylos bakeri subsp. bakeri Edward Lee with W. A. Setchell 1936-6-7 2190 Sonoma Bohemian Grove , South ridge fire trail (South ridge fire trail) Comment
  RSA622704  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24698 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA622705  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24697 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  UCD160915  Arctostaphylos canescens James A. Neilson Jr. 1975-7-31 2951 Sonoma Mayacmas Mountains. One-quarter mile southwest of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  UCD112405  Arctostaphylos canescens subsp. canescens Christopher Mallek 2008-5-2 s.n. Sonoma Hooker Canyon. 590 Comment
  CAS-BOT-BC23886  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12896 Sonoma Rincon Ridge NE of Santa Rosa Comment
  CAS-BOT-BC23892  Arctostaphylos canescens subsp. sonomensis Walter Knight; Irja Knight 1985-12-29 6376 Sonoma Santa Rosa, Rincon Ridge. Montecito Drive and Rockridge Road, Finley property. 121 Comment
  UC876538  Arctostaphylos canescens subsp. sonomensis Lewis S. Rose 1940-2-12 40006 Sonoma 2 mi e Santa Rosa (type locality); Rincon Ridge 60 Comment
  UC876542  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1936-10 8622 Sonoma halfway to summit Rutherford-Glen Ellen Road Comment
  UCD50536  Arctostaphylos canescens var. sonomensis Walter Knight; Irja Knight 1982-3-9 4497 Sonoma From Tilden Botanic Garden, Berkeley. Originally collected from Montecito Heights, Rincon Ridge, Santa Rosa. Comment
  CAS-BOT-BC23645  Arctostaphylos columbiana E. K. Balls; P. C. Everett 1953-10-9 18603 Sonoma .2 mi. n.w. of Ocean Cove, Hwy 1 between Fort Ross and Point Arena, 5 mi. n.w. of Fort Ross 91 Comment
  UC549702  Arctostaphylos columbiana J. E. Adams 1934-6-9 833 Sonoma coastal bluff s McNamees Store Comment
  CAS-BOT-BC24987  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5769 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC25012  Arctostaphylos densiflora J. Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4083 Sonoma Originally from Vine Hill area near Sebastopol. Comment
  CAS-BOT-BC25021  Arctostaphylos densiflora Roman Gankin 1957-11-1 247 Sonoma At roadside; Vine Hill School Road, 0.1 mile E of junction with Vine Hill Road, ca. 10 miles W of Santa Rosa. Comment
  JEPS98815  Arctostaphylos densiflora Walter Knight 1967-3-19 Sonoma Vine Hill School Road ca. 100 yds W of the school on N side of road and across fence at edge of vineyard Comment
  RSA164632  Arctostaphylos densiflora Percy C. Everett 1963-11-21 24564 Sonoma Vine Hill School Rd., west of Vine Hill School. N of Sebastopol. 76 Comment
  RSA31996  Arctostaphylos densiflora A. A. Heller 1942-3-15 16398 Sonoma just west of Vine Hill School Comment
  SD56794  Arctostaphylos densiflora Darley F. Howe 1963-5-22 3523 Sonoma 10 miles west of Santa Rosa on Vine Hill Road. 149 Comment
  UC518978  Arctostaphylos densiflora J. Clausen 1933-3-26 743 Sonoma 10 mi w Santa Rosa (along road); Vine Hill Schoolhouse Comment
  UC549449  Arctostaphylos densiflora J. E. Adams 1934-3-28 715 Sonoma Vine Hill School Sta. Rosa Comment
  UCD50799  Arctostaphylos densiflora Roman Gankin; W. R. Hidlreth 1967-10-3 1070 Sonoma Along Vine Hill School Road, ca. 1/2 mile east of Vine Hill Road. Comment
  UCD50801  Arctostaphylos densiflora Charles B. Heiser Jr. 1946-5-19 1745 Sonoma Vine Hill, W of Santa Rosa Comment
  SEINET11988292  Arctostaphylos densiflora Unknown 1957-1 247 Sonoma Vine Hill School Rd, 0.1 mi E of jct with Vine Hill Rd Comment
  SEINET11989142  Arctostaphylos densiflora B. A. Stein 1981-1 444 Sonoma Vine Hill Rd, 0.25 mi N of Vine Hill School Rd 46 Comment
  SEINET11998613  Arctostaphylos glandulosa W. Knight, Knight, I.; Wells, P. V. 1985-1 6344 Sonoma N side Guerneville Hwy between Laguna & Vine Hill roads Comment
  UCD51092  Arctostaphylos glandulosa Roman Gankin; W. R. Hildreth 1967-10-4 1077 Sonoma South-facing slope; near Rocky Mountain; north of Guerneville. Comment
  CAS-BOT-BC23285  Arctostaphylos glandulosa subsp. cushingiana Walter Knight 1963-4-28 s.n. Sonoma Head of Adobe Canyon, south past Hoods Peak Comment
  RSA177968  Arctostaphylos glandulosa subsp. cushingiana R. F. Thorne 1965-4-20 34347 Sonoma Top of Parker Hill ( N end of Parker Hill Road). ca. 3 miles N of Santa Rosa 244 Comment
  CAS-BOT-BC23325  Arctostaphylos glandulosa subsp. cushingiana C. Hart Merriam 1907-7-27 s.n. Sonoma Mt. St. Helena, Knights Valley slope Comment
  CAS-BOT-BC24677  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight; Steve Edwards 1986-3-23 5366 Sonoma On Geysers Rd. near Mercuryville at junction of private road ro Sulphur Peak. 822 Comment
  CAS-BOT-BC24721  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight; Stephen W. Edwards 1985-1-27 5173 Sonoma 7.7 mi. from w. end of Sonoma Lake Bridge on Rockpile Road. Comment
  UC1120203  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-3-8 1569 A Sonoma 1 1/2 mi n County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  CAS-BOT-BC39113  Arctostaphylos hispidula Roger Raiche 1984-2-3 40016 Sonoma Rockpile Road, 9/1 miles north from its intersection and beginning at Skaggs Spring-Stewarts Point Road. 502 Comment
  LA42174  Arctostaphylos hispidula John Thomas Howell; 1933-4-2 10956 Sonoma 2 mi. E of Occidental Comment
  UCD59421  Arctostaphylos hispidula Roger Raiche 1984-1-14 RR 40016 Sonoma Rockpile Road, 9.1 miles northwest of its intersection and beginning at Stewarts Point-Skaggs Springs Road. 502 Comment
  CAS-BOT-BC24407  Arctostaphylos manzanita Roger Raiche; Steve Edwards 1983-6-9 100 Sonoma The Cedars, w. of ridge on Twitchell property near Cazadero. 274 Comment
  UCD166535  Arctostaphylos manzanita Dylan O. Burge 2016-1-31 2036 Sonoma Russian River Valley, just S of Hopland, roadside on U.S. Route 101. 170 Comment
  UCD51916  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1073 Sonoma 0.2 mile along Wine Creek Road from west Dry Creek Road near Healdsburg. Comment
  SEINET11987236  Arctostaphylos manzanita J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4157 Sonoma Strybing Arboretum, San Francisco, Golden Gate Park, orig. from Hood's Peak Comment
  SEINET11990959  Arctostaphylos manzanita Unknown 1983-1 30499 C Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11990972  Arctostaphylos manzanita Unknown 1983-1 30489 Sonoma ridge is eastern end of Rocky Mt. Ridge W of Blue Rock between Gray Creek to S & Devils Creek to N 305 Comment
  SEINET11990977  Arctostaphylos manzanita Unknown 1983-1 30499 E Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11991948  Arctostaphylos manzanita W. Knight, Knight, I. 1984-1 5056 Sonoma Alta Vista Lane, Rincon Ridge, Santa Rosa 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
  UCSB4744  Arctostaphylos manzanita Keator, Glenn 1959-4-3 Sonoma 9.1 miles north of Calistoga; Mt. St. Helena Comment
  CAS-BOT-BC38945  Arctostaphylos manzanita subsp. elegans Bell Richardson Jackson 1924-10-22 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38655  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1937-4-11 12906 Sonoma M.S. Baker's place, sw. slope of Mt. Hood Comment
  CAS-BOT-BC38684  Arctostaphylos manzanita subsp. manzanita Roman Gankin 1957-11-1 248 Sonoma Vine Hill Shcool Road, .1 mile east of junction with Vine Hill road, ca. 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38710  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 13 Sonoma Vine Hill region on College Avenue highway, near Santa Rosa Comment
  CAS-BOT-BC38718  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5775 Sonoma Vine Hill district, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38740  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1964-2-16 808 Sonoma Mill Creek Rd. west of Healdsburg. Comment
  CAS-BOT-BC38748  Arctostaphylos manzanita subsp. manzanita C. Hart Merriam 1906-8-26 s.n. Sonoma Knights Valley (NW of Calistoga) Comment
  RSA394834B  Arctostaphylos manzanita subsp. manzanita D. Koutnik, Mary Barbercheck 1981-6-18 394834 Sonoma Austin Creek State Recreation Area about four miles north of Guerneville. 488 Comment
  RSA70838  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1931-3-14 5773 Sonoma Vine Hill District Comment
  SBBG28916  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 9 Sonoma residence of M.S. Baker, at W base of Mt Hood Comment
  SBBG83716  Arctostaphylos manzanita subsp. manzanita D. Koutnik, M. Barbercheck 1981-6-18 Sonoma Austin Crk St Recreation Area about 4 mi N of Guerneville. 487 Comment
  UC480591  Arctostaphylos manzanita subsp. manzanita Carl Meyer 1928-3-3 303 Sonoma Santa Rosa Comment
  CAS-BOT-BC45397  Arctostaphylos nummularia Mary P. Wells 1986-1-9 405 B Sonoma Off Pilot's Reach, The Sea Ranch. Comment
  CAS-BOT-BC43874  Arctostaphylos stanfordiana John Thomas Howell 1933-4-1 10929 Sonoma Triniti Mt., 2 miles ne. of Glen Ellen Comment
  CAS-BOT-BC47331  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1963-9-1 259 Sonoma Pine Mt. Rd. NE of Cloverdale. Harold Smith Ranch. Comment
  CAS-BOT-BC47339  Arctostaphylos stanfordiana Roger Raiche 1982-4-10 20301 E Sonoma King Ridge Rd. (4.5 mi. n. of junction with Ft. Ross Rd.), about 0.7 mi. in from King Ridge Rd. on old Layton Comment
  LA42283  Arctostaphylos stanfordiana H. F. Copeland; 1933-3-18 A 11 Sonoma Spring Mountain Road, about 8 mi. E of Santa Rosa Comment
  RSA636807  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24745 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1043525  Arctostaphylos stanfordiana P. C. Everett and E. K. Balls 1954-10-20 20376 Sonoma 4 mi sw from Lake-Sonoma Co. line (nw to w slopes of Mt. St. Helena) 640 Comment
  UC1084352  Arctostaphylos stanfordiana G. Thomas Robbins 1937-3-25 8 Sonoma 8-10 mi e Santa Rosa (n-facing slope of canyon); Santa Rosa Creek Canyon Comment
  SEINET11984942  Arctostaphylos stanfordiana Unknown 1966-1 686 Sonoma S of Hooker Canyon at point directly opposite canyon from Cavedale Rd, 3.1 mi E of junction of CA 12 Comment
  JEPS95230  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  JEPS95231  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  UC1520696  Arctostaphylos stanfordiana subsp. decumbens R. Raiche 1985-2-3 50041 Sonoma unnamed ridge on w side Dry Creek Valley (n of Crane Creek and s of Bradford Mt.) 182 Comment
  UCD51008  Arctostaphylos stanfordiana subsp. decumbens Roger Raiche 1982-4-10 20301 C 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 Rd. On topo map area is called ' Red Slide', north of Cazadero in Sonoma County. Comment
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Oct 17 2013
  POM131953  Arctostaphylos stanfordiana subsp. stanfordiana A. A. Heller, H. E. Brown, A. H. Heller 1902-3-27 10650 Sonoma Western base of Mt. Hood. Comment
  RSA177970  Arctostaphylos stanfordiana subsp. stanfordiana R. F. Thorne 1965-4-20 34344 Sonoma Top of Parker Hill (N end of Parker Hill Rd.) ca. 3 mi. No. of Santa Rosa. 244 Comment
  RSA202118  Arctostaphylos viscida Freed W. Hoffman 1947-4-3 677 Sonoma Wild Hog Ridge, headwaters Mill Creek, near Healdsburg. Comment
  SEINET11262973  Aristolochia californica James Faro 1962-4-22 5 Sonoma South side of Lake Ralphine in Santa Rosa.; 0 Comment
  CAS-BOT-BC175853  Artemisia Peter Rubtzoff 1961-9-20 4747 Sonoma Americano Creek area, 0.9 miles west of Bloomfield. Comment
  CAS-BOT-BC400602  Asarum caudatum Peter Rubtzoff 1955-5-14 1850 Sonoma Duncans Mills Marsh Comment
  UC449988  Asclepias fascicularis Harriet A. Walker 1908-6-7 1164 Sonoma Santa Rosa Comment
  SEINET955720  Asclepias solanoana Helen K. Sharsmith 1952-1 4128 Sonoma Near junction of Socrates Mine Road with Pine Flat-Middletown Road, Mayacamas Mountains. 975 Comment
  RSA178004  Aspidotis densa R. F. Thorne 1965-4-19 34290 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UC399500  Aspidotis densa Michener and Bioletti March 1893 Sonoma Hood's Peak Comment
  CAS-BOT-BC68785  Aspidotis densa Catherine Best 1983-4-16 s.n. Sonoma On serpentine on the Bohemian Hwy. about 3 miles north of Occidental. Comment
  SEINET11718421  Aspidotis densa F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -244 Sonoma end of Stoetz Road 200 Comment
  RSA44343  Aster chilensis M. S. Baker 1948-09 12042 Sonoma About 1 mile north of Sears Point Comment
  UC1573056  Astragalus claranus R. C. Barneby 1954-4-30 11238 Sonoma 7 mi ne Santa Rosa (near Alpine School); ne of Santa Rosa, near Alpine School 152 Comment
  CAS-BOT-BC186820  Astragalus gambelianus A. A. Heller; H. E. Brown 1902-4-4 5214 Sonoma Hills East of Santa Rosa Comment
  CAS-BOT-BC186825  Astragalus gambelianus Greg de Nevers 1993-5-30 10464 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Piny Canyon 457 Comment
  SEINET7067264  Astragalus gambelianus A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  CAS-BOT-BC186819  Astragalus gambelianus G. DeNevers 1981-4-20 773 Sonoma Pippindale farm. On bench between Studio and the ridge top Comment
  CAS-BOT-BC186821  Astragalus gambelianus Helen D. Geis 1902-8-1 s.n. Sonoma Pluton Creek Bed Comment
  UC42234  Athyrium filix-femina var. cyclosorum F. T. Bioletti 1892-1 Sonoma Gualala River Comment
  CAS-BOT-BC17427  Athysanus pusillus Peter H. Raven 1950-4-6 1603 Sonoma Rincon Ridge. 304 Comment
  UC604106  Atriplex leucophylla Milo S. Baker 1938-6-6 9016 Sonoma beach Salmon Creek Comment
  UCD38528  Avena Beecher Crampton 1956-3-13 3227 Sonoma Asti. Comment
  CAS-BOT-BC68342  Azolla filiculoides Peter Rubtzoff 1959-6-13 4133 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC68340  Azolla filiculoides Peter Rubtzoff 1961-8-6 4673 Sonoma Americano Creek 1/2 mi. east of Valley Ford Comment
  CAS-BOT-BC98649  Baccharis douglasii J. W. Congdon 1880-8-2 s.n. Sonoma Santa Rosa Comment
  RSA94308  Baccharis douglasii Peter Rubtzoff 1951-8-4 575 Sonoma Open area between the Upper and Lower marshes Comment
  CAS-BOT-BC99591  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
  POM213044  Baccharis pilularis C. B. Wolf 1934-10-13 6181 Sonoma 2 2/5 miles north of mouth of Russian River. 61 Comment
  CAS-BOT-BC99599  Baccharis pilularis Walter Knight; Irja Knight 1963-9-29 233 Sonoma On freeway fill 200 yds southbound from Lakeville highway Comment
  UCD129298  Baccharis pilularis Frederica Bowcutt 1996-5-19 2132 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 Canyon, about 1/8 air miles NE of Red Mtn. 701 Comment
  POM41966  Baccharis salicifolia Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  HSC5129  Baccharis salicifolia Greg Bos 1963-5-5 82 Sonoma Pina Creek, out of Healdsburg 91 Comment
  RSA0025200  Barbarea Peter Rubtzoff 1989-6-10 10005 Sonoma Along Russian River, ca. 6 mi east of Guerneville, at 9850 River Road. Comment
  RSA94330  Barbarea orthoceras Peter Rubtzoff 1951-6-9 163 Sonoma Pitkin Marsh, near Forestville; Forest south of the Upper Marsh. Comment
  CAS-BOT-BC145833  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  POM206250  Beckmannia syzigachne A. A. Heller 1902-6-27 5780 Sonoma West of Windsor near Russian river. Comment
  UCD56805  Beckmannia syzigachne Lloyd M. Harwood 1972-5-25 s.n. Sonoma Near Petaluma. Comment
  CAS-BOT-BC106392  Bellis perennis Mildred Parks 1925-7-20 s.n. Sonoma Stewart's Point Comment
  CAS-BOT-BC75670  Berberis nervosa John Thomas Howell 1924-3-22 291 Sonoma Camp Meeker. Comment
  UCR248917  Bidens frondosa Peter Rubtzoff 1961-8-24 4712 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River 3 Comment
  CAS-BOT-BC102006  Bidens frondosa W. & I. Knight 1984-8-28 5291 Sonoma Spring Lake, Santa Rosa Comment
  RSA0019010  Bidens laevis Peter Rubtzoff 1967-8-30 5874 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh. Comment
  CAS-BOT-BC100254  Blennosperma bakeri John Thomas Howell 1949-4-6 25303 Sonoma Low field southwest of Sonoma. Type locality. Comment
  RSA0008299  Blennosperma bakeri L. S. Rose 1949-3-27 s.n. Sonoma Western outskirts of Sonoma. 27 Comment
  NY31012  Blennosperma californicum C. H. Michener 04 1893 6238 Sonoma Kenwood Comment
  JEPS35789  Blennosperma nanum var. nanum Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8930 Sonoma .3 mi s, near Stewart Creek crossing northern end of Arnold Drive; Glenn Ellen 97 Comment
  CAS-BOT-BC154971  Boisduvalia densiflora Peter Rubtzoff 1964-7-14 5404 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC154970  Boisduvalia densiflora Peter Rubtzoff 1955-8-27 2094 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC75483  Bolboschoenus glaucus Mary P. Wells 1987-5-20 s.n. Sonoma 0.6 mile north of Gravenstein Highway on Llano Road - under bridge. Comment
  UC1051640  Botrychium multifidum Peter Kamb, Francia Chisaki 1950-6-16 1866 Sonoma NW of Sebastopol (Pitkin Marsh, 1 mi N of Sousa Corners) Comment
  UC420422  Boykinia occidentalis Milo S. Baker 1898-1 Sonoma Santa Rosa Canyon Comment
  CAS-BOT-BC418504  Boykinia occidentalis Mary P. Wells 1984-7-20 386 Sonoma The Sea Ranch; Hot spot (i.e., by So Fork Qualala River). Comment
  UC420466  Boykinia occidentalis Katharine Brandegee June 1905 Sonoma Burbanks Garden Comment
  UC73117  Boykinia occidentalis Miss C. B. Churchill 1901-7-14 Sonoma creek above Macartney's; creek above Macartney's Comment
  CAS-BOT-BC145446  Brachypodium distachyon Barrett Anderson 1987-4-27 3461 Sonoma Petaluma, south of El Rose and west of D Street. 120 Comment
  RSA93383  Brachypodium distachyon J. T. Howell 1948-4-18 24214 Sonoma Hills east of Agua Caliente. Comment
  CAS-BOT-BC100476  Brickellia californica Greg de Nevers 1987-7-10 8232 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd., Santa Rosa, along Franz Creek 400 Comment
  RSA633342  Briza maxima Michael A. Vincent, Ethan H. Freid 1997-11-14 8172 Sonoma Bodega Bay, 0.5 mile northeast of city limits along Rt. 1 Comment
  SJSU810  Briza maxima A. W. Jacobs 1943-5-15 Sonoma near Forestville Comment
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Sep 17 2008
  UC768694  Briza maxima Robert F. Hoover 1941-5-14 5102 Sonoma hills n Bodega Comment
  UC1130934  Briza minor H. S. Yates 1936-5-3 5576 Sonoma 1 mi nw Petrified Forest; Calistoga Quadrangle Comment
  CAS-BOT-BC478965  Brodiaea californica subsp. californica Greg de Nevers 1991-6-22 9753 Sonoma Pepperwood Natural Preserve 3450 Franz Valley Road 475 Comment
  CAS-BOT-BC376235  Brodiaea californica subsp. leptandra Greg de Nevers 1992-6-26 10180 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  SEINET6879014  Brodiaea coronaria A. G. Vestal 1962-4-11 s.n. Sonoma 1 mile east of Occidental. Comment
  CAS-BOT-BC484388  Brodiaea elegans subsp. elegans James McMurphy 1909-5-28 s.n. Sonoma 1 mile west of Santa Rosa Comment
  CAS-BOT-BC484394  Brodiaea elegans subsp. elegans Peter Rubtzoff 1969-6-15 6086 Sonoma Laguna de Santa Rosa 1 mile east/southeast of Sebastopol Comment
  CAS-BOT-BC486536  Brodiaea elegans subsp. elegans Peter Rubtzoff 1968-6-20 5898 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road Comment
  SEINET10534094  Brodiaea laxa John Thomas Howell 1931-6-15 Howell 6689 Sonoma Near Sebastopol, California Comment
  UC963918  Brodiaea leptandra Milo S. Baker 1947-5-30 11771 Sonoma sw slope Hood Mt. (near house trail from Gray Ranch) Comment
  SEINET12049826  Brodiaea stellaris F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -237 Sonoma end of Stoetz Road 200 Comment
  CAS-BOT-BC486476  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1974-5-19 7447 A Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from (west of) Llano Road. Comment
  CAS-BOT-BC487726  Brodiaea terrestris subsp. terrestris Milo S. Baker 1927-5-20 2148 a Sonoma S. R. Sebasapol Hiway where concrete begins - [- - - -] south (poor handwriting) Comment
  UCD58161  Bromus carinatus Lewis S. Rose 1962-4-18 62024 Sonoma 1 mi. NW of Freestone. 76 Comment
  UCD58317  Bromus carinatus var. californicus P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa. Calistoga. Petrified forest road. Comment
  CAS-BOT-BC149099  Bromus carinatus var. carinatus Peter Rubtzoff 1954-6-7 1477 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC149085  Bromus carinatus var. carinatus David L. Morgan 1961-4-26 s.n. Sonoma Marshall - Petaluma road 2 miles west of junction of Wilson Hill Road. Comment
  CAS-BOT-BC156276  Bromus catharticus Catherine Best 1982-6-30 s.n. Sonoma At Bodega Bay. Comment
  CAS-BOT-BC155851  Bromus catharticus var. elatus Peter Rubtzoff 1962-5-5 4804 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC155898  Bromus catharticus var. elatus L. R. Abrams 1931-4-16 13409 Sonoma Santa Rosa. Comment
  CAS-BOT-BC155659  Bromus diandrus G. DeNevers 1981-4-20 748 Sonoma Pepperwood Ranch. Top of Horse Hill. Pippindale farm. Comment
  UC1102639  Bromus diandrus P. Zinke 1950-4-23 110 Sonoma intersection of Big Sulphur Creek and Russian River (Outside National Forest, Cal. Forest and Range Experiment Station); Outside National Forest, Cal. Forest and Range Experiment St 152 Comment
  LA13805  Bromus diandrus Joseph Andorfer Ewan; 1935-5-12 9222 Sonoma Bodega Bay road 2 mi. W of Bodega Comment
  UCD58796  Bromus hordeaceus L. Whitney 1935-3-16 s.n. Sonoma Sutherland Orchard--near Occidental. Comment
  CAS-BOT-BC175469  Bromus laevipes Catherine Best 1995-6-17 s.n. Sonoma Pepperwood Nature Preserve (property of California Academy of Sciences) Comment
  UCD58929  Bromus laevipes Beecher Crampton 1953-5-19 1296 Sonoma 10 miles west of Calistoga. Hwy. 128. Comment
  RSA126879  Bromus marginatus H. S. Yates 1937-5-31 6566 Sonoma 1 1/2 miles northeast of Petrified Forest. 335 Comment
  HSC101106  Bromus pseudolaevipes Peter Warner 2011-6-14 212 Sonoma E of Sonoma; Two Terriers Vineyards, 2320 Loval Valley Road; along Arroyo Seco (creek) 102 Comment
  CAS-BOT-BC161584  Bromus sterilis John Thomas Howell 1949-4-6 25305 Sonoma Along road southwest of Sonoma. Comment
  CAS-BOT-BC185424  Bromus vulgaris Roxana S. Ferris; Laura Lorraine 1961-6-14 13536 Sonoma Joy Road grade, 1.8 mile from junction with Bodega Highway. Comment
  UCD36681  Bromus vulgaris Beecher Crampton 1955-6-17 2928 Sonoma Sonoma County, 1.6 miles west of Forestville, along State Highway 12. Comment
  CAS-BOT-BC36914  Cakile maritima var. maritima Mrs. H. C. Cantelow 1940-4-20 2994 Sonoma North of Bay near mouth of Salmon Creek. Comment
  CAS-BOT-BC185413  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma State Highway 1, 8.7 miles south of Stewart's Point. Comment
  RSA144699  Calamagrostis bolanderi Roxana S. Ferris, L. Lorraine 1961-6-14 13537 Sonoma Joy Road Grade, 1.8 miles from jct. with Bodega Hwy Comment
  RSA654820  Calamagrostis bolanderi Colette Beaupre 2000-7-6 s.n. Sonoma Near Sea Ranch, CA on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB&M 183 Comment
  UC1026380  Calamagrostis bolanderi John Thomas Howell 1947-6-26 23312 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC185124  Calamagrostis nutkaensis David D. Keck 1948-6-29 5929 Sonoma 2 miles north of Fort Ross. 45 Comment
  UC905592  Calamagrostis nutkaensis David D. Keck 1948-6-29 5929 Sonoma 2 mi n Fort Ross 45 Comment
  UCD57506  Calamagrostis nutkaensis P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC185132  Calamagrostis nutkaensis Catherine Best 1984-6-11 973 -C Sonoma On a slope above the ocean at Goat Rock Park. Comment
  CDA11252  Calamagrostis ophitidis G. F. Hrusa, G. L. Stebbins, D. Keil, V. L. Holland 1994-6-5 11875 Sonoma North Coast Biodiversity Arena; Colonial bunchgrass beneath open Cupressus sargentii woodland/forest. Large serpentine outcrop approx. 1 m. N of Camp Meeker on Bohemian Hwy.. 0 Comment
  RSA0065200  Calamagrostis rubescens Greg de Nevers 1997-6-7 11019 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On the Oak Hill Ranch burned area. 100 Comment
  UCD129655  Calendula arvensis John Thomas Howell 1946-3-31 21591 Sonoma east of Sonoma. Comment
  UCR142045  Calendula officinalis Beecher Crampton 1970-3-12 8545 Sonoma Sonoma, 1st Street West, just south of RR depot 30 Comment
  CAS-BOT-BC293676  Callitriche heterophylla Peter Rubtzoff 1973-7-24 7202 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC376223  Callitriche marginata Greg de Nevers 1995-5-20 10729 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In road through Fern Canyon 487 Comment
  CAS-BOT-BC293756  Callitriche palustris Peter Rubtzoff 1969-5-3 6027 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  JEPS25750  Callitriche trochlearis William Hirano 1961-5-3 Sonoma about 4 mi nw Petaluma (along Stony Point road, about 1 mi n of junction with Highway 101) Comment
  UCR249053  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4607 Sonoma Upper Stemple Creek Marsh 21 Comment
  RSA0035348  Callitriche verna Peter Rubtzoff 1969-5-3 6027 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UC1134511  Calochortus amabilis H. S. Yates 1934-4-22 3859 Sonoma 3 mi sw Petrified Forest; Calistoga Quad. 182 Comment
  UC1197699  Calochortus amabilis Joseph P. Tracy 1933-5-1 12126 Sonoma Knights Valley Mayacama Creek 152 Comment
  UC400140  Calochortus amabilis Ynes Mexia 1929-6-2 2393 Sonoma near Mark West Springs Comment
  UCD139486  Calochortus amabilis C. Wistrom 1996-5-26 23 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  CAS-BOT-BC483276  Calochortus amabilis F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  CAS-BOT-BC483282  Calochortus amabilis Roxana S. Ferris; Laura Lorraine 1961-6-15 13551 Sonoma Harrison Grade Road, 0.3 mile from junction with Green Valley Road Comment
  CAS-BOT-BC483289  Calochortus amabilis R. F. Hoover 1965-6-29 9478 Sonoma Graton-Occidental Road Comment
  CAS-BOT-BC483290  Calochortus amabilis W. W. Carruth 1901-6-1 s.n. Sonoma Near Seaview Comment
  CAS-BOT-BC483295  Calochortus amabilis Wayne Roderick 1967-4-28 s.n. Sonoma Cavedale Road, n. of Sonoma 304 Comment
  POM210092  Calochortus amabilis H. E. Parks, S. T. Parks 1930-5-9 605 Sonoma Alexander Valley. Comment
  RSA13439  Calochortus amabilis H. E. Parks, S. T. Parks 1930-5-9 605 Sonoma Alexander Valley. Comment
  RSA377261  Calochortus amabilis Christopher Davidson 1977-6-20 6016 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  SEINET12049777  Calochortus amabilis F. H. Utech 1986-1 86 -106 Sonoma ca 3 mi NE on Cavedale Road from junction with CA 12 250 Comment
  UC423014  Calochortus nudus Milo S. Baker Jul 1897 166 Sonoma Mayfield Road, Anderson's Sheep camp Comment
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Feb 12 2015
  CAS-BOT-BC132250  Calochortus raichei R. Raiche 1986-7-29 60282 Sonoma North of Cazadero, The Cedars, Red Slide Creek (central branch) 390 Comment
  SEINET5093107  Calochortus raichei Unknown 1995-6-25 093 .95 Sonoma N of Cazadero; The Cedars; Red Slide Creek drainage; at the top of Red Slide Falls Comment
  SJSU9953  Calochortus tolmiei F. L. Reynolds 1962-5-26 51 Sonoma Salt Point Ranch, 8 mi NW of Fort Ross Comment
  CAS-BOT-BC270705  Calycadenia multiglandulosa Roxana S. Ferris; Laura Lorraine 1961-6-14 13548 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UCD129722  Calycadenia multiglandulosa Gerald D. Carr 1971-7-7 577 Sonoma junction of Facienda Lane and Occidental Road. Comment
  CAS-BOT-BC270847  Calycadenia pauciflora David D. Keck 1944-7-11 5511 Sonoma The Geysers, Mayacamas Range Comment
  UCD129813  Calycadenia pauciflora Gerald D. Carr 1971-8-17 640 Sonoma The Geysers. Comment
  CAS-BOT-BC90996  Calycanthus occidentalis A. A. Heller 1902-6-11 5689 Sonoma Santa Rosa Creek. Comment
  CAS-BOT-BC91012  Calycanthus occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-15 13554 Sonoma Green Valley Road 0.8 mile east of junction with Harrison Grade Road. Comment
  UC400137  Calycanthus occidentalis Ynes Mexia 1929-6-2 2397 Sonoma near Santa Rosa Comment
  UC635500  Calycanthus occidentalis H. L. Mason 1934-4-28 8067 Sonoma head of Dohrman Creek Dohrman Creek (Jensen Ranch) Comment
  POM97738  Calycanthus occidentalis Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  SEINET12094722  Calycanthus occidentalis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -232 Sonoma ca 0.1 mi W on Sonoma Mt. Rd from Bennett Valley Rd along Graham Creek, W of Glen Ellen & CA 12 75 Comment
  JEPS64301  Calypso bulbosa Docia Patchett 1917-3-29 Sonoma Cazadero Comment
  JEPS112770  Calystegia collina subsp. collina Dean W. Taylor 1994-5-4 14208 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  JEPS87233  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1992-5-2 1271 Sonoma Found on the north side of White Rock, 1 3/4 miles north of Jimtown 304 Comment
  UC23186  Calystegia collina subsp. oxyphylla Edw. L. Greene 1892-1 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC224628  Calystegia purpurata subsp. purpurata Peter H. Raven 1951-5-20 2861 Sonoma Oakville to Glen Ellen 274 Comment
  CAS-BOT-BC32999  Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  SD73206  Calystegia purpurata subsp. saxicola Darley F. Howe 1969-5-28 4611 Sonoma 13.5 miles north of Jenner on Highway 1 Comment
  CAS-BOT-BC436455  Calystegia subacaulis Lewis S. Rose 1941-5-22 41251 Sonoma Rincon Ridge, 4 mi. E of Santa Rosa 121 Comment
  RSA94314  Camassia quamash subsp. linearis Peter Rubtzoff 1952-5-10 1030 Sonoma Pitkin Marsh, near Forestville; Lower part of the upper Marsh, in an open marshy area Comment
  UCD81450  Camissonia ovata M. Wiesendanger 1927-5-5 707 Sonoma Sonoma. Comment
  POM31995  Camissonia strigulosa A. A. Heller, H. E. Brown 1902-5-27 5613 Sonoma Bodega Bay. Comment
  CAS-BOT-BC160365  Camissoniopsis cheiranthifolia subsp. cheiranthifolia A. A. Heller 1940-5-17 15626 Sonoma North of the town of Bay, Bodega Bay Comment
  UCD103523  Camissoniopsis cheiranthifolia subsp. cheiranthifolia David C. Fruchtenicht 1965-5-1 54 Sonoma Marine Biological Station, Horseshoe Cove, Bodega Head. 6 Comment
  CHSC43095  Campanula californica Stacy Cepello; L. P. Janeway, Jean Witzman 1987-6-28 Sonoma 2.5 mi south of town of Gualala. 150 yds upstream of hwy 1 crossing. Comment
  CAS-BOT-BC266424  Campanula californica John Thomas Howell 1945-8-14 21402 Sonoma Perry Marsh Comment
  SEINET10463921  Campanula californica P. Rubtzoff 1965-8-10 Rubtzoff 5588 Sonoma DUNCAN MILLS MARSH, EDGE OF FOREST BORDERING LOWER PORTION OF MARSH IN THE WEST, MOIST SHADED GROUND Comment
  SEINET10463924  Campanula californica Rowntree 1931-7-15 ROWNTREE s.n. Sonoma Skyp Springs road Comment
  SEINET10463935  Campanula californica Robbins 1938-6-23 ROBBINS 269 Sonoma In march on Pitkin Ranch, Vine Hill region, about 10 miles west of Santa Rosa. Wet, boggy soil. Comment
  UC456047  Campanula prenanthoides I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  SEINET10463208  Campanula prenanthoides Rowntree 1931-7-15 ROWNTREE s.n. Sonoma STEWART PT. SKAGGS SPRINGS ROAD SHADY BANK Comment
  SEINET10905923  Campanula prenanthoides Michener 1892-7-4 MICHENER s.n. Sonoma Shagg's Springs Comment
  SEINET10905928  Campanula prenanthoides Rattan 1877-6-25 RATTAN s.n. Sonoma CLOVERDALE Comment
  SEINET10972386  Campanula prenanthoides Condit 1908-8-13 CONDIT s.n. Sonoma GUERNEVILLE 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
  CAS-BOT-BC37195  Capsella bursa-pastoris Walter Knight; Irja Knight 1963-10-6 490 Sonoma Petaluma. Jess Street. Comment
  CAS-BOT-BC37777  Cardamine californica L. R. Abrams 1918-4-27 6910 Sonoma Independence School near Healdsburg. Comment
  CAS-BOT-BC37765  Cardamine californica Walter Knight; Irja Knight 1964-3-11 546 Sonoma Old Sonoma Mountain Road. Comment
  UCD114179  Cardamine californica Frederica Bowcutt; Kate Mawdsley 1996-3-24 2089 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 Knewood, and 18 air miles NW of Napa. About 1.5 air miles W of Mount Saint John, along Brushy Peaks Trail just S of Malm Fork of Sonoma Creek. 426 Comment
  UC1057433  Cardamine californica var. californica G. Thomas Robbins 1937-3-25 1 Sonoma bank Sonoma Creek (Bennett Valley); , bank Sonoma Creek Comment
  POM272804  Cardamine californica var. integrifolia Lyman Benson 1929-3-21 1026 Sonoma 5 miles S of Petaluma. Comment
  RSA63681  Cardamine californica var. integrifolia Milo S. Baker 1950-4-1 12155 Sonoma West side of Los Guilicos Val[ley] near old R.R. tracks. Comment
  JEPS53301  Cardamine oligosperma J. Burtt Davy 1896-3-13 1643 Sonoma near Duncan's Mills; near Duncan's Mills Comment
  CAS-BOT-BC38037  Cardamine oligosperma Alice S. M. McKenzie 1981-2-23 21 Sonoma Coast between Russian and Gualala Rivers. California State Highway at Kolmer Gulch. Beside road. Comment
  JEPS128330  Cardamine pachystigma var. dissectifolia Roger Raiche 2010-4-17 016 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. 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
  UCD148413  Carduus Peter Rubtzoff 1959-6-13 4141 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC281725  Carduus pycnocephalus Alice Eastwood; John Thomas Howell 1938-5-15 5505 Sonoma Near Mark West Springs Comment
  CDA6866  Carduus pycnocephalus J. T. Howell, Alice Eastwood 1938-5-15 5505 Sonoma Near Mark West Springs. 0 Comment
  SD88411  Carduus pycnocephalus subsp. pycnocephalus Darley F. Howe 1972-4-28 Sonoma Trinity Road, Mt. Hood Range. 120 Comment
  RSA0021490  Carex Peter Rubtzoff 1976-5-30 8562 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC18138  Carex athrostachya Peter Rubtzoff 1954-7-4 1532 Sonoma Austin Creek Marsh. Comment
  UCR208534  Carex athrostachya Peter Rubtzoff 1959-5-30 4055 Sonoma Freestone Marsh 79 Comment
  UCR208535  Carex athrostachya Peter Rubtzoff 1960-5-15 4325 Sonoma Fife Creek Marsh [near Guerneville] Comment
  SEINET7550703 Image available Carex athrostachya John Thomas Howell, J. W. Stacey 1937-6-6 13018 Sonoma Sebastopol. Comment
  UCD112443  Carex athrostachya Peter Rubtzoff 1960-5-15 4325 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC371454  Carex barbarae Peter Rubtzoff 1958-4-26 3606 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC422350  Carex barbarae Peter Rubtzoff 1958-5-10 3655 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  CAS-BOT-BC19372  Carex barbarae Bioletti 1893-6-1 s.n. Sonoma Los Guilicos Valley. Comment
  CAS-BOT-BC310301  Carex barbarae Peter Rubtzoff 1969-8-24 s.n. Sonoma 3 miles west of Fulton on north side of River Road. Comment
  RSA0015629  Carex barbarae Peter Rubtzoff 1975-7-3 8152 Sonoma Kenwood Marsh. Comment
  SEINET7551513 Image available Carex barbarae John Thomas Howell, J. W. Stacey 1937-6-6 13023 Sonoma Sebastopol. Comment
  CAS-BOT-BC19564  Carex bolanderi J. W. Congdon 1880-6-14 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC350936  Carex cusickii Peter Rubtzoff 1958-5-17 3678 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC20484  Carex densa Peter Rubtzoff 1951-6-10 206 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  CAS-BOT-BC20500  Carex densa Peter Rubtzoff 1974-6-2 7514 Sonoma Sonoma County Marshes. Upper Green Valley Marsh. Comment
  CAS-BOT-BC242636  Carex densa Peter Rubtzoff 1957-5-11 3329 Sonoma Occidental Marsh Comment
  CAS-BOT-BC246548  Carex densa Peter Rubtzoff 1960-5-15 4324 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC249290  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC474744  Carex densa James A. Neilson, Jr. 1974-8-19 2852 Sonoma Mayacmas Mountains. Little Geysers 731 Comment
  UCR208522  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Guerneville Marsh Comment
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Feb 21 2013
  CAS-BOT-BC18993  Carex densa Katherine Esau 1935-5-5 s.n. Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC20508  Carex densa Peter Rubtzoff 1958-4-26 3603 Sonoma Sonoma County Marshes. Laguna de Santa Rosa east of Sebastopol. Comment
  SEINET7556705 Image available Carex densa John Thomas Howell 1935-5-5 12605 Sonoma Near Kenwood. Comment
  CAS-BOT-BC329293  Carex exsiccata Peter Rubtzoff 1955-6-26 1906 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  CAS-BOT-BC19952  Carex exsiccata John Thomas Howell; J. W. Stacey 1937-6-6 13026 Sonoma Sebastopol. Comment
  UC904940  Carex globosa John Thomas Howell 1945-5-30 20913 Sonoma Vine Hill School Comment
  CAS-BOT-BC422355  Carex gracilior Peter Rubtzoff 1959-4-18 4029 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 0.5 miles north of Guerneville Road crossing. Comment
  UC8079  Carex gracilior H. N. Bolander 1866-4 4635 Sonoma Petaluma Comment
  CAS-BOT-BC28329  Carex gracilior J. W. Stacey 1933-4-16 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC28371  Carex gracilior Gregory Clark de Nevers 1981-4-11 681 Sonoma In wet meadow S of 3 Tree Hill. Comment
  CAS-BOT-BC32474  Carex gracilior Henry Nicholas Bolander 1864-4-1 3822 Sonoma Meadow at Cloverdale Comment
  UC767098  Carex gynodynama Robert F. Hoover 1941-5-14 5080 Sonoma Three miles south of Monte Rio on road to Camp Meeker. Comment
  CAS-BOT-BC422349  Carex gynodynama Peter Rubtzoff 1957-5-4 3310 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC21910  Carex harfordii Peter Rubtzoff 1955-5-21 1857 Sonoma Forestville Marsh. North facing slope bordering the marsh in the south. Comment
  RSA0022362  Carex harfordii Peter Rubtzoff 1962-6-1 4867 Sonoma Freestone Marsh. Comment
  UCR248725  Carex hassei Peter Rubtzoff 1962-5-11 4819 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  CAS-BOT-BC22297  Carex hassei Alice Eastwood; John Thomas Howell; J. W. Stacey 1937-5-31 4496 Sonoma 2 miles south of Gualala River, Sonoma Coast. Comment
  JEPS117132  Carex hassei Peter Warner, Kara Doolin, Anthony Nelson 2010-6-28 168 Sonoma Lower Pitkin Marsh, ~ 63 m, N 49 deg. E of gate at Hwy. 116, just N of interior fence Comment
  CAS-BOT-BC31170  Carex lemmonii Milo S. Baker 1946-5-13 11392 Sonoma Marsh adjoining Pitkin Ranch on the North. Comment
  CAS-BOT-BC31178  Carex lemmonii Peter Rubtzoff 1951-6-16 235 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC32523  Carex lemmonii John Thomas Howell; John William Stacey 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  UC727759  Carex lemmonii Milo S. Baker 1946-5-13 11392 Sonoma on n Pitkin Ranch; Vine Hill Region, Pitkin Marsh Comment
  JEPS128382  Carex mendocinensis Roger Raiche 2000-5-5 082 .00 Sonoma The Cedars. 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
  HSC100958  Carex multicaulis Peter Warner, Sarah Gordon 2011-5-16 197 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), Fern Trail along lower to mid-Mill Creek. 273 Comment
  CAS-BOT-BC119580  Carex nudata John Thomas Howell 1933-4-2 10931 Sonoma Sonoma Creek Canyon 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
  RSA0015489  Carex nudata Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  CAS-BOT-BC119311  Carex obnupta Catherine Best 1981-6-5 s.n. Sonoma Ca 5 mi E of Stewart's Point on Stewart's Point Skaggs Creek Rd. Comment
  CAS-BOT-BC119315  Carex obnupta Peter Rubtzoff 1951-6-10 208 Sonoma Pitkin Marsh, near Forestville. S of the Upper Marsh. Comment
  UC766939  Carex pachystachya R. F. Hoover 1941-5-14 5081 Sonoma 3 mi s Monte Rio (on road to Camp Meeker) Comment
  RSA0022347  Carex pachystachya Peter Rubtzoff 1975-7-3 8151 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC118939  Carex pellita Peter Rubtzoff 1952-5-31 1118 Sonoma Pitkin Marsh, near Forestville. Southern half of the Lower Marsh. Comment
  UCR248724  Carex serratodens Peter Rubtzoff 1962-6-19 4933 Sonoma Occidental Marsh 305 Comment
  CAS-BOT-BC26246  Carex sonomensis John Thomas Howell; J. W. Stacey 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  SEINET4469615 Image available Carex sonomensis J. T. Howell, J. W. Stacey 1937-1 13042 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC117341  Carex stipata Peter Rubtzoff 1951-6-7 143 Sonoma Pitkin marsh, near Forestville. Branch of the Upper marsh. Comment
  CAS-BOT-BC320466  Carex subbracteata Peter Rubtzoff 1962-6-1 4868 Sonoma Freestone Marsh. Comment
  SEINET10847110  Carex subbracteata Lewis S. Rose 1939-5-14 Rose 39116 Sonoma Bodega. Wet fields. 30 Comment
  UCD140870  Carex subbracteata P. G. Connors 1991-4-11 103 Sonoma Bodega Head and Dunes. Beside Lab road. BMR 0730N, 4200E Comment
  CAS-BOT-BC116782  Carex subbracteata var. subbracteata Peter Rubtzoff 1955-5-14 1854 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC115528  Carex tumulicola David Morgan 1961-4-26 s.n. Sonoma Top of William Hill, 5 mi SW of Petaluma. Comment
  CAS-BOT-BC281915  Carthamus lanatus John Thomas Howell 1967-6-17 42597 Sonoma Confluence of Galloway and Dry creeks, Arthur E. Cooley Ranch 182 Comment
  RSA269282  Carthamus lanatus T. C. Fuller 1970-9-29 19804 Sonoma S21, T5N, R8W, N side of Valley Ford Road, 6 miles W of Petaluma. Comment
  UCD150813  Carthamus leucocaulos P. F. Knowles 1969-9-23 s.n. Sonoma California, Sonoma County; ca. 1.5 miles west of Asti. 106 Comment
  RSA664100  Carthamus tinctorius J. C. Roos, L. Roos 1956-9-2 6599 Sonoma Healdsburg dump Comment
  CAS-BOT-BC30023  Castanea Peter Rubtzoff 1954-8-12 1701 Sonoma Vacation Beach, near Guerneville. Forested hii slope above road east of Vacation Beach Comment
  JEPS31995  Castilleja Helen K. Sharsmith 1962-5-25 5480 Sonoma along road from Freestone to Occidental Comment
  UC726108  Castilleja ambigua subsp. ambigua A. A. Heller 1940-6-12 15722 Sonoma w of Two Rocks Comment
  OBI59413  Castilleja applegatei subsp. martinii Rimo Bacigalupi, G. T. Robbins, and Freed W. Hoffman 1956-5-30 5667 Sonoma Headwaters of Big Austin Crk, vicinity of "the Cedars" near Layton chromite mine Comment
  JEPS9948  Castilleja attenuata W. L. Jepson 1921-5-6 9188 Sonoma Porter Creek 365 Comment
  UC1063442  Castilleja attenuata H. S. Yates 1934-4-22 3845 Sonoma 2 mi s Mark West; Calistoga Quad. 152 Comment
  LA209431  Castilleja densiflora H. E.; S. T. Parks 1930-5-7 632 Sonoma N end of Kinght's Valley 106 Comment
  UC76116  Castilleja densiflora subsp. densiflora Milo S. Baker 1898-4-23 623 Sonoma near Melita Comment
  POM44369  Castilleja franciscana Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  RSA523434  Castilleja franciscana L. R. Heckard 1964-6-12 1385 Sonoma South side of Russian River, just across bridge on state highway 1. Comment
  CAS-BOT-BC243848  Castilleja latifolia Peter Rubtzoff 1952-6-10 1242 Sonoma Resort at east base of Fitch Mtn., near Healdsburg Comment
  JEPS66231  Castilleja miniata subsp. miniata T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6903 Sonoma about south-central Pitkin Marsh (near end of Templeton Road); , about south-central Comment
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Oct 15 2010
  JEPS16300  Castilleja minor subsp. spiralis Milo S. Baker 1926-9-26 198 Sonoma Hood Mt. 609 Comment
  JEPS19385  Castilleja subinclusa subsp. franciscana G. Thomas Robbins 1938-4-15 256 Sonoma 2.5 mi e Bodega Bay (along road to Bodega) Comment
  JEPS60450  Castilleja subinclusa subsp. franciscana T. I. Chuang and F. M. Chuang 1969-6-29 6688 Sonoma 1.8 mi se Bodega Bay (on Highway 1) Comment
  JEPS23808  Castilleja wightii Rimo Bacigalupi with Don Liles 1959-7-13 7323 Sonoma 3.5 mi s Fort Ross (along State Hwy 1) 137 Comment
  JEPS26117  Castilleja wightii Peter H. Raven, R. Snow 1958-7-23 13688 Sonoma 2.6 mi n Jenner Comment
  JEPS60451  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-29 6689 Sonoma 2.9 mi s Russian River (Highway 1) Comment
  POM180772  Castilleja wightii J. T. Howell 1930-7-27 5412 Sonoma Exposed ocean bluff, 4 miles N of Bodega Bay. Comment
  SBBG6848  Castilleja wightii H. and M. Dearing 1929-5-14 3348 Sonoma rd to coast, Russian River Comment
  CAS-BOT-BC47801  Ceanothus John Thomas Howell 1937-4-11 12900 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC1614461  Ceanothus Charles M. Belshaw 1936-3-8 1583 Sonoma 3/4 mi. n. Annadel (n.w. of Kenwood); Inner North Coast Range Comment
  UC1071291  Ceanothus confusus C. M. Belshaw 1936-3-8 1571 Sonoma Rincon Ridge, 1 1/2 mi N of County Farm 251 Comment
  UC80038  Ceanothus confusus Katharine Brandegee 1889-4 74 Sonoma Mt. St. Helena Comment
  UCD158853  Ceanothus cuneatus James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2918 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  HSC39116  Ceanothus divergens Gary S. Lester 1974-2-9 65 Sonoma Annadel State Park off Lawndale Rd. 488 Comment
  SEINET12210805  Ceanothus divergens W. Knight, Knight, I. 1983-1 4663 Sonoma Tilden Botanic Garden, Berkeley. Orig coll. from Franz Valley School Rd Comment
  POM203619  Ceanothus divergens subsp. confusus J. T. Howell 1933-4-2 10937 Sonoma Sonoma Creek Canyon. Comment
  SBBG27271  Ceanothus divergens subsp. confusus J. T. Howell 1937-4-11 Sonoma Rincon Ridge, NE of Santa Rosa Comment
  POM136437  Ceanothus foliosus A. A. Heller, H. E. Brown 1902-5-29 s.n. Sonoma Mt. Hood. Comment
  UCD158718  Ceanothus foliosus James A. Neilson Jr. 1974-7-10 2836 Sonoma Mayacmas Mountains. South of Little Geysers. 792 Comment
  CAS-BOT-BC64419  Ceanothus foliosus subsp. vineatus John Thomas Howell 1941-4-5 16173 Sonoma Raven Ridge. Comment
  CAS-BOT-BC64422  Ceanothus foliosus subsp. vineatus W. R. Hildreth 1967-10-3 1071 Sonoma Vine Hill School rd., ca. 1/2 mi. e. of Vine Hill Road. Comment
  CAS-BOT-BC49910  Ceanothus foliosus var. foliosus A. A. Heller; H. E. Brown 1902-5-29 5619 Sonoma Mt. Hood Comment
  RSA177943  Ceanothus foliosus var. vineatus Robert F. Thorne 1965-4-19 34318 Sonoma Vine Hill School Road 1/2 mile from Vine Hill Road. 76 Comment
  CAS-BOT-BC49998  Ceanothus gloriosus Milo S. Baker 1935-4-1 8028 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC870562  Ceanothus gloriosus John Thomas Howell 1934-3-3 11742 Sonoma 8 miles S of Stewart's Point Comment
  CAS-BOT-BC49948  Ceanothus gloriosus var. exaltatus Walter Knight; Irja Knight 1963-11-21 417 Sonoma Guerneville Rd near Laguna Rd. Comment
  UC1299551  Ceanothus gloriosus var. exaltatus Freed W. Hoffman 1947-4-15 661 Sonoma In marine sediments, near Sebastopol Comment
  RSA19014  Ceanothus gloriosus var. gloriosus J. T. Howell 1934-3-3 11742 Sonoma 8 miles south of Stewart's Point Comment
  CAS-BOT-BC63739  Ceanothus griseus Alisa S. M. McKenzie 1981-1-31 11 Sonoma Kolmer Gulch, calif. State highway 1 at marker 34. Top of bank w. side of creek, n. side of road. Comment
  UC1299550  Ceanothus incanus Freed W. Hoffman 1947-6-4 598 Sonoma tributary of East Austin Creek Comment
  UCD160873  Ceanothus integerrimus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3268 Sonoma Mayacmas Mountains, ca. 1/2 mile south of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC50952  Ceanothus integerrimus H. N. Bolander 4721 Sonoma Russian River - Valley Comment
  CAS-BOT-BC50642  Ceanothus jepsonii John Thomas Howell 1933-4-2 10959 Sonoma 2 miles e. of Occidental Comment
  UC1070783  Ceanothus jepsonii C. M. Belshaw 1936-3-8 1579 Sonoma .75 mi n. Annadel (nw of Kenwood); Santa Rosa quad. 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
  SEINET12211105  Ceanothus jepsonii F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -240 Sonoma end of Stoetz Road 200 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
  CHSC93632  Ceanothus jepsonii var. albiflorus C. L. Schmidt 1987-2-27 1141 Sonoma Dorman Canyon Road, across small canyon from Bradford Mtn. ca. 10 miles NE of Healdsburg. 180 Comment
  CAS-BOT-BC63516  Ceanothus oliganthus var. sorediatus J. Clausen 1935-5-23 1073 a Sonoma 0.3 mi. n. of entrance to Petrified Forest. Comment
  JEPS25143  Ceanothus parryi G. Thomas Robbins 1959-5-16 4013 Sonoma on Spring Mtn Road between Calistoga Road and Sonoma-Napa County line (along upper Mark West Creek, Mayacamas Mts.); Mayacamas Mts., along upper Mark West Creek 426 Comment
  POM136669  Ceanothus parryi A. A. Heller, H. E. Brown 1902-5-29 5620 Sonoma Mt. Hood. Comment
  RSA0084060  Ceanothus parryi D. C. Michener 1982-7-26 4122 Sonoma Openings in mixed evergreen forest along lBohemian Hwy, 1.8miles N of jct with Graton road, 4.8 miles S of jct with 116 in Monte Rio Comment
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Oct 9 2018
  RSA122367  Ceanothus parryi H. S. Yates 1934-4-21 3814 Sonoma near Guerneville 91 Comment
  RSA301114  Ceanothus parryi D. C. Michener 1982-7-26 4121 Sonoma Graton road 5.6 miles W of RR xing in Graton, 0.2 miles E of jct with Bohemian Hwy Comment
  UCD112879  Ceanothus parryi Roger Raiche 1985-4-6 RR 50183 Sonoma West of Healdsburg, Dry Creek area, ridge west of Dry Creek Valley and north of Dorman Canyon (Crane Creek). 243 Comment
  SD88409  Ceanothus parvifolius D. F. Howe 1972-4-28 Sonoma Trinity Road, Mt. Hood Range 395 Comment
  CAS-BOT-BC53047  Ceanothus sonomensis A. A. Heller 1902-6-26 5765 Sonoma Along Sonoma Creek at the foot of Mt. Hood Comment
  RSA753880  Ceanothus sonomensis Dylan O. Burge, C. Miller 2007-6-12 DOB 939 c Sonoma Mayacmas Mts., head of Hooker Canyon, roadside on Cavedale Road, 4.0 road miles (6.4 km) E of SR 12. 4.90 km 85 degrees (True) ENE of Glenn Ellen. 560 Comment
  RSA757810  Ceanothus sonomensis Dylan O. Burge 2008-5-25 DOB 991 c Sonoma Mayacmas Mountains, western slope of Hooker Canyon, at the residence of Marc Schwager and Allison Ash, Elarra Reserve, 3200 Cavedale Road, 4.5 km 92 degrees east-southeast of Glen Ellen. 500 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
  RSA175239  Ceanothus sonomensis Robert F. Thorne, Percy C. Everett 1963-6-8 32247 Sonoma Canedale road, 2 miles E of Glan Ellen, Hood's Peak Range betw Napa and Sonoma Valleys Comment
  CAS-BOT-BC52345  Ceanothus thyrsiflorus Mary P. Wells 1985-9-13 655 Sonoma Forest no. of juncture of Timber Ridge and Longmeadow roads, the Sea Ranch Comment
  CAS-BOT-BC52395  Ceanothus velutinus W. W. Carruth 1907-6-1 s.n. Sonoma Near Seaview Comment
  RSA606274  Ceanothus velutinus Jon E. Keeley 1993-9-11 24801 Sonoma Chaparral on S side of N Peak, Mt. St. Helena. 1050 Comment
  CDA29726  Centaurea iberica Robin Breckenridge, S. Ostrom 2009-7-9 PDR# 1538286 Sonoma In the vicinity of Calistoga, off of Highway 128. 0 Comment
  CDA20599  Centaurea maculosa S. Ostrom 2005-10-2 PDR 1351698 Sonoma North Coast; Hwy 101 S center divide at College Ave exit. 0 Comment
  CAS-BOT-BC277159  Centaurea melitensis G. DeNevers 1981-5-15 1176 Sonoma Pepperwood Ranch. At base of first big left hand canyon off N arm of Garrison Canyon. Also on trail over Hansel's Driveway Comment
  CAS-BOT-BC277250  Centaurea solstitialis W. D. Hamilton 1946-5-15 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC277251  Centaurea solstitialis Peter Rubtzoff 1953-11-1 1438 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  UC34566  Centaurea solstitialis F. T. Bioletti 1891-9-7 Sonoma Shellville Comment
  CAS-BOT-BC271545  Centromadia parryi subsp. parryi John Thomas Howell 1930-10-5 5530 Sonoma Dry field 5.8 miles SW of Sonoma on Black Point cutoff Comment
  CAS-BOT-BC251309  Cerastium Peter Rubtzoff 1960-5-18 s.n. Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC251310  Cerastium Peter Rubtzoff 1960-6-5 s.n. Sonoma Laguna de Santa Rosa, northeast of Graton, near Laguna Road Comment
  CAS-BOT-BC251311  Cerastium Peter Rubtzoff 1959-6-20 4155 Sonoma Willow Creek Marsh. Comment
  RSA94648  Cerastium glomeratum Peter Rubtzoff 1952-3-23 902 Sonoma Southern half of Lower Marsh; Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC135415  Cercocarpus betuloides var. betuloides A. A. Heller; H. E. Brown 1902-3-25 5147 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC279780  Chamaemelum fuscatum Doreen Smith 2007-3-1 s.n. Sonoma Near Asti Comment
  CAS-BOT-BC279781  Chamaemelum fuscatum Jerry Parsons 1983-3-26 25 Sonoma 1/2 m off Highway 101, S of City of Santa Rosa Comment
  RSA176442  Chamaemelum fuscatum P. H. Raven 1963-4-12 18161 Sonoma Along U. S. 101 just south of Asti. Comment
  UC1481824  Cheilanthes covillei Milo Baker 1902-4 4 a Sonoma Hood Mt Comment
  CAS-BOT-BC166654  Chenopodium Peter Rubtzoff 1973-8-20 7244 Sonoma Sonoma Creek bottom near Aqua Caliente Road crossing west of Agua Caliente. Comment
  RSA788829  Chlorogalum Carrie A. Herd 1982-4-25 80 Sonoma Crane Creek Regional Park, Flattened area above Crane Creek Comment
  CAS-BOT-BC493398  Chlorogalum pomeridianum G. DeNevers 1981-5-12 1136 Sonoma Carrison Canyon, Pepperwood Ranch Comment
  CAS-BOT-BC499252  Chlorogalum pomeridianum Peter Rubtzoff 1951-8-18 617 Sonoma Pitkin Marsh, near Forestville, uppermost part of the western branch of the Upper Marsh Comment
  POM169099  Chlorogalum pomeridianum var. pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian river. Comment
  CDA33645  Chondrilla juncea Robin Breckenridge & Katie Filippini 2010-7-22 PDR# 1313480 Sonoma Petaluma; Hwy 101 at Lakeville Rd./Hwy 116 exit. 0 Comment
  UC126080  Chorizanthe cuspidata var. villosa Katharine Brandegee June 1905 Sonoma Bodega Point Comment
  UC1011105  Chrysolepis chrysophylla var. chrysophylla Milo S. Baker 1941-8-4 8591 Sonoma 2 mi n Stewart's Point - Healdsburg Highway (Richardson's Ranch, at a point 5 mi from the coast) 457 Comment
  UCR250391  Cirsium Peter Rubtzoff 1955-9-24 2146 Sonoma Duncan Mills Marsh, upper portion of marsh 9 Comment
  RSA0015628  Cirsium brevistylum Peter Rubtzoff 1964-5-20 5313 Sonoma Brooks Gulch Marsh. Comment
  CDA20719  Cirsium douglasii S. Ostrom 2006-7-19 PDR 1328643 Sonoma East of 5556 Pine Flat Rd., Geyserville. Comment
  CAS-BOT-BC279995  Cirsium douglasii var. douglasii A. A. Heller 1902-7-2 5803 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CDA1485  Cirsium occidentale var. venustum T. C. Fuller 1958-5-24 4004 Sonoma 1.5 mi. N of Camp Meeker. 0 Comment
  UC30833  Cirsium occidentale var. venustum F. T. Bioletti 1892-7-24 Sonoma Glen Ellen Comment
  CAS-BOT-BC280367  Cirsium occidentale var. venustum Walter Knight; Irja Knight 1967-7-24 1966 Sonoma Between Santa Rosa and St. Helena on St. Helena Road about 2 miles from Napa County line Comment
  CAS-BOT-BC290647  Cirsium occidentale var. venustum Peter Rubtzoff 1955-9-24 2146 Sonoma Duncans Mills Marsh, upper portion of the marsh. Comment
  RSA666353  Cirsium occidentale var. venustum Barbara Ertter, Lincoln Constance 1993-7-10 12100 Sonoma 5 miles beyond pavement on Rockpile Road west of Lake Sonoma (road to Annapolis) Comment
  CAS-BOT-BC280535  Cirsium quercetorum Roxana S. Ferris 1932-5-27 8255 Sonoma North end of Bodega Bay Comment
  CAS-BOT-BC280540  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  CAS-BOT-BC280541  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  CAS-BOT-BC285757  Cirsium remotifolium Alice Eastwood; John Thomas Howell 1938-7-6 6088 Sonoma Alder Glen Springs Comment
  POM261637  Cirsium remotifolium var. odontolepis Alice Eastwood, John Thomas Howell 1938-7-6 6088 Sonoma Alder Glen Springs. Comment
  UCD159443  Cirsium vulgare D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 200 Sonoma Near Sonoma state beach hiking trail. Abundant. 41 Comment
  CAS-BOT-BC162557  Clarkia affinis Peter H. Raven 1951-4-22 2781 Sonoma Hills E of Aqua Caliente Comment
  UC20293  Clarkia amoena Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  CAS-BOT-BC161048  Clarkia amoena subsp. amoena Alice Eastwood; John Thomas Howell 1938-7-6 6085 Sonoma Alder Glen Springs Comment
  POM180690  Clarkia amoena subsp. amoena J. T. Howell 1930-7-27 5410 Sonoma 8 miles south of Fort Ross Comment
  SEINET4143367  Clarkia amoena subsp. amoena K. Brandegee s.n. Sonoma Bodega Bay Comment
  CDA40856  Clarkia amoena subsp. huntiana G. F. Hrusa, A. Buckmann 1996-10-5 13585 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. Approx. 2 m. SW of Calistoga. Comment
  JEPS82306  Clarkia amoena subsp. huntiana Roger Raiche 1983-7-5 30483 Sonoma ne of Plantation (Tin Barn Road, 3.5 mi n of King Ridge Road) Comment
  CAS-BOT-BC172216  Clarkia concinna James McMurphy 1909-5-29 s.n. Sonoma Canyon near Geyserville Comment
  UCSB31721  Clarkia concinna Townsend, J. 1977-5-29 Sonoma West side U.S. 101; 2 miles north of Petaluma Comment
Read comments
Nov 4 2015
  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
  UC765874  Clarkia concinna subsp. concinna R. F. Hoover 1938-6-14 3603 Sonoma Mark West Springs Comment
  UCD104043  Clarkia davyi Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 30 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SBBG4971  Clarkia gracilis H. and M. Dearing 1939-5-14 3344 Sonoma near Healdsburg Comment
  UCD104540  Clarkia gracilis Frederica Bowcutt 1994-5-21 1810 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, about 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood and about 18 air miles NW of Napa. Along meadow trail appx. 3/4 mile from trailhead. 396 Comment
  UCD55330  Clarkia gracilis subsp. gracilis Ellen Dean 2006-6-28 3173 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  UC107858  Clarkia gracilis subsp. sonomensis Michener and Bioletti June, 1891 682 b Sonoma Glen Ellen Comment
  UC725843  Clarkia gracilis subsp. sonomensis A. A. Heller 1941-6-4 16162 Sonoma several mi e Santa Rosa (on the road to Sonoma) Comment
  CAS-BOT-BC163146  Clarkia gracilis subsp. sonomensis John Thomas Howell 1929-6-9 4303 Sonoma Near highway, Valley of the Moon one mile from Glen Ellen Comment
  RSA449288  Clarkia gracilis subsp. sonomensis Christopher Davidson 1977-6-20 6004 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  RSA108400  Clarkia imbricata Harlan Lewis, M. Lewis 1951-7-10 865 Sonoma Santa Rosa to Guerneville; 6230 Vine Hill road Comment
  UCD104865  Clarkia purpurea Michelle Mahoney 1965-5-23 s.n. Sonoma On Old Fire Road off Highway 116 in Hacienda Park. 91 Comment
  CAS-BOT-BC163465  Clarkia purpurea subsp. quadrivulnera G. DeNevers 1981-5-9 1054 Sonoma On a hot, thin soil road cut below the Strebel Homestead Comment
  RSA448314  Clarkia purpurea subsp. quadrivulnera Christopher Davidson 1977-6-20 6017 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  SBBG4989  Clarkia purpurea subsp. quadrivulnera H. and M. Dearing 1939-5-3 3274 Sonoma Pope Valley near St Helena Comment
  JEPS43725  Clarkia purpurea subsp. viminea E. V. Ferguson 1919-6-11 226 Sonoma near Sebastopol Comment
  CAS-BOT-BC165675  Clarkia unguiculata A. A. Heller 1902-6-11 5686 Sonoma Santa Rosa Creek, east of Santa Rosa 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
  UC486516  Claytonia gypsophiloides H. E. and S. T. Parks 1930-5-10 624 Sonoma Knights Valley Comment
  CAS-BOT-BC439406  Claytonia gypsophiloides F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  CAS-BOT-BC439639  Claytonia parviflora subsp. parviflora G. H. Mallory 1920-3-29 s.n. Sonoma East end of Sonoma Ave, Santa Rosa Comment
  POM118511  Claytonia perfoliata Marcus E. Jones 1924-4-23 s.n. Sonoma Petaluma Comment
  UCD144660  Claytonia perfoliata Rimy Waraich; Patty Togioka, Erik Beever 1993-5-8 228 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Pony Gate Trail. 304 Comment
  UCR105444  Claytonia sibirica Peter Rubtzoff 1967-8-22 5851 Sonoma Southeast of lower Salmon Creek Marsh 4 Comment
  CAS-BOT-BC92750  Clematis ligusticifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  POM151226  Clematis ligusticifolia A. A. Heller 1902-7-8 5809 Sonoma Mark West creek N of Santa Rosa. Comment
  SEINET12050384  Clintonia andrewsiana F. H. Utech 1988-1 88 -202 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  HSC20588  Collinsia heterophylla R. F. Good 1962-4-19 27 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes 46 Comment
  JEPS5721  Collinsia heterophylla Calvin and Phyllis McMillan 1951-5-30 Sonoma along road from Healdsburg to Stewarts Point 4.6 mi e junction of road from Annapolis ((8 mi e of Soda Springs)) Comment
  SBBG6867  Collinsia heterophylla H. and M. Dearing 1933-5-14 1742 Sonoma Cloverdale Comment
  SEINET7067331  Collinsia heterophylla A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles East of Windsor on Faught Road. Coordinate datum: NAD27. UTM Zone 10, 521654mE, 4261292mN. Comment
  UCR255041  Collinsia heterophylla Greg de Nevers 1998-4-21 11157 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS21814  Collinsia sparsiflora var. arvensis Alvin W. Urquhart 1958-4-13 21 Sonoma 2 mi e Glenn Ellen (Sonoma Mt. rd) 304 Comment
  UC1032606  Collinsia sparsiflora var. arvensis H. S. Yates 1936-5-3 5577 Sonoma 1 mi nw of Petrified Forest (Quadrangle Calistoga); Quadrangle Calistoga 304 Comment
  UC583427  Collinsia sparsiflora var. arvensis Elmer I. Applegate 1934-3-25 8850 Sonoma w slope of Mayacama Mountains, Pine Flat Region, Sansal Creek Sansal Creek; Mayacama Mountains, Pine Flat Region, Sansal Creek Comment
  UC76208  Collinsia sparsiflora var. arvensis Milo S. Baker 1898-4-2 Sonoma near Santa Rosa Comment
  UC353937  Collinsia sparsiflora var. collina unknown 1928-4-20 2976 b Sonoma Rincon Valley Comment
  UCD123670  Collinsia sparsiflora var. sparsiflora Botany 102 Students 1993-4-24 99 Sonoma About 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. About 1.25 air miles southeast of Red Mountain, southeast of Sonoma Creek, along Hillside Trail. 396 Comment
  UCD127332  Conium maculatum Terri Williamson 1990-5-20 66 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  CHSC446  Convolvulus soldanella A. Small 1954-6-4 Sonoma Bodego Comment
  CAS-BOT-BC288915  Conyza canadensis Peter Rubtzoff 1951-9-2 724 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  JEPS3024  Conyza canadensis Milo S. Baker 1951-10 12389 Sonoma at Shale Quarry; Mark West Cr. Comment
  JEPS64349  Corallorhiza maculata Docia I. Patchett 1917-5-7 Sonoma Cazadero Rd near Williams Comment
  SEINET13679568  Cordylanthus pallescens M. J. Williams, Wayne Roderick 1978-7-16 78- 228 -4 Sonoma Near Occidental. Comment
  SBBG32433  Cordylanthus pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge, E of Santa Rosa 91 Comment
  CHSC52838  Cordylanthus pilosus subsp. pilosus L. R. Heckard; R. Bacigalupi, B. Doren 1971-9-11 2802 Sonoma 1/2 mile west on Lytton Springs road, about 2 miles north of Healdsburg. Comment
  CAS-BOT-BC238223  Cordylanthus tenuis subsp. brunneus Greg de Nevers 1991-7-15 9758 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  JEPS2540 Image available Cordylanthus tenuis subsp. brunneus W. L. Jepson 1894-7-19 21109 Sonoma Mt. St. Helena Napa River Basin; Mt. St. Helena, Napa River Basin 1127 Comment
  JEPS6736  Cordylanthus tenuis subsp. brunneus W. L. Jepson 1893-9-23 21348 Sonoma Mt. St. Helena Comment
  UCD123130  Cordylanthus tenuis subsp. brunneus Roger Raiche 1985-6-30 RR 50567 Sonoma unnamed ridge on west side of Dry Creek Valley, north of Crane Creek and south of Bradford Mt. 274 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
  CAS-BOT-BC238231  Cordylanthus tenuis subsp. capillaris Catherine Best 1985-8-24 1140 Sonoma On Stoetz Lane about 2 mi northeast of Occidental Comment
  JEPS57467  Cordylanthus tenuis subsp. capillaris L. R. Heckard 1968-7-23 2068 Sonoma n Occidental (Stoetz Lane about 3/4 mi w of Harris grade road) Comment
  JEPS79414  Cordylanthus tenuis subsp. capillaris Edward Lee with W. A. Setchell 1936-6-7 2188 Sonoma south ridge fire trail, Bohemian Grove Comment
  UC1239007  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1946-8-14 784 Sonoma e Camp Meeker (on serpentine island); North Coast Ranges Comment
  UCR78363  Cordylanthus tenuis subsp. capillaris T. I. Chuang, F. M. Chuang 1970-8-25 6845 Sonoma 2.7 mi east of Occidental 138 Comment
  SDSU4700  Corethrogyne filaginifolia D. F. Howe 1962-7-29 3365 Sonoma 12 miles north of Jenner at #1. 61 Comment
  JEPS50119  Cornus glabrata W. L. Jepson 1921-9-12 9488 Sonoma Alexander Valley 45 Comment
  CAS-BOT-BC210432  Cornus sericea Peter Rubtzoff 1958-8-23 3909 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Road) Comment
  RSA239697  Cornus stolonifera Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1094 Sonoma Pitkin-Jones Tree Farm; on Vine Hill Rd. west of Santa Rosa. Comment
  UC480599  Corylus californica Carl Meyer 1928-3-4 325 Sonoma Sonoma County Comment
  SEINET12031412  Corylus cornuta var. californica F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -259 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC290295  Cotula coronopifolia M. E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC427643  Crassula aquatica H. K. Wagnon 1989-5-23 1956 Sonoma Spring Lake Park and environs. Adjacent to Montgomery Drive. Adjacent to Spring Creek diversion channel 67 Comment
  CAS-BOT-BC427654  Crassula aquatica Peter Rubtzoff 1963-6-18 5177 Sonoma Bennett Mountain Lake. Comment
  JEPS86784  Crassula solieri Reid Moran, Chas. Quibell 1991-5-15 31053 Sonoma 1 km. e. Glen Ellen (Rte. 12 0.5 km s. of Arnold Dr., Sonoma Valley Regional Park); Sonoma Valley Regional Park 110 Comment
  CAS-BOT-BC143507  Crataegus gaylussacia Peter Rubtzoff 1959-5-30 4062 Sonoma Freestone Marsh Comment
  RSA94007  Crataegus suksdorfii Peter Rubtzoff 1951-6-16 212 Sonoma N half of lower Pitkin Marsh, SE of Forestville Comment
Read comments
Apr 28 2010
  CDA4464  Crupina vulgaris H. K. Wagnon, J. T. Vale 1989-6-3 1896 Sonoma Anradel State Park, Santa Rosa. 0 Comment
  CAS-BOT-BC368011  Crypsis schoenoides Greg de Nevers 1989-12-3 9119 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Natural Pond. 400 Comment
  CAS-BOT-BC368095  Cryptantha Greg de Nevers 1998-5-5 11229 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 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
  CAS-BOT-BC376307  Cryptantha Greg de Nevers 1992-5-24 10155 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Turtle Pond. 475 Comment
  UCD167559  Cryptantha James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Squaw Creek. 1/4 mile from Black Hawk Ranch headquarters. 20 feet above 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
  UCD158803  Cryptantha hispidula James A. Neilson Jr. 1974-3-16 2868 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC251261  Cucurbitaceae Peter Rubtzoff 1955-9-10 2145 Sonoma Vacation Beach, near Guerneville. Comment
  RSA178043  Cupressus macnabiana Robert F. Thorne 1965-4-20 34367 Sonoma Head of Hooker Canyon on Cavedale Road, north of Sonoma 610 Comment
  UCD110844  Cupressus macnabiana Christopher Mallek 2008-1 s.n. Sonoma Hooker Canyon. 590 Comment
  SEINET11739328  Cupressus macnabiana W. Knight, Knight, I.; Howell, J. T. 1984-1 5077 Sonoma above Hooker Canyon on Cavedale Road 640 Comment
  JEPS79415  Cupressus macrocarpa Edward Lee with W. A. Setchell 1936-6-7 2189 Sonoma South ridge Fire Trail Bohemian Grove (Bohemian Grove, lower trees forming a very extensive area) Comment
  SEINET3863365  Cupressus macrocarpa Kaye H. Thorne 1984-11-25 3635 Sonoma Sea Ranch, 2.5 mi S Gualala, stabilized coast dunes old sheep ranch.; 0 Comment
  CAS-BOT-BC85427  Cupressus sargentii W. Knight; Irja Knight 1963-11-21 2500 Sonoma Harrison Grade between Graton and Occidental Comment
  CAS-BOT-BC85455  Cupressus sargentii Elizabeth McClintock 1967-9-10 4 Sonoma Ida Clayton Road on west side of Mount St. Helena Comment
  UC1134246  Cupressus sargentii C. M. Belshaw 1936-3-7 1557 Sonoma 2 mi ne Occidentale; Sebastopol Quadrangle 188 Comment
  UCD132952  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
  UCD133619  Cupressus sargentii Roxana S. Ferris; Laura Lorraine 1961-6-15 13565 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road. Comment
  CAS-BOT-BC85465  Cupressus sargentii Stephen N. Stephenson 1979-8-13 s.n. Sonoma south facing slope of Sonoma Mt.,, adjacent to Sonoma-Napa rd. near county line 700 Comment
  RSA129446  Cupressus sargentii E. Armstrong 1934-3-26 923 Sonoma 2 miles north of Camp Meeker 122 Comment
  CAS-BOT-BC361393  Cuscuta californica var. breviflora Greg de Nevers 1993-8-7 10481 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CDA41305  Cuscuta howelliana G. F. Hrusa, A. Buckman (DFG) 1996-10-5 13583 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Sheet 3 of 3. Comment
  RSA785056  Cuscuta howelliana Peter Rubtzoff 1976-6-18 8648 Sonoma False Lake Meadow area. Annadel State Park Comment
  UCR280133  Cuscuta pentagona Peter Rubtzoff 1970-9-8 6384 Sonoma [River Road], sluggish tributary of Mark West Creek, c. 3 miles west of Fulton 24 Comment
  CAS-BOT-BC376230  Cynodon Greg de Nevers 1996-9-23 10880 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek x Piny Canyon 487 Comment
  RSA94465  Cynodon dactylon Peter Rubtzoff 1951-7-21 504 Sonoma Pitkin Marsh near Forestville; area between the Upper and the Lower marshes Comment
  UCD60103  Cynodon dactylon var. villosus Beecher Crampton 1957-5-16 4042 Sonoma 4-5 miles southwest Healdsburg, Foreman Lane, Frank C. Grace Ranch. Comment
  UC24750  Cynoglossum grande W. A. Setchell 1898-3-15 Sonoma Cloverdale Comment
  CAS-BOT-BC320564  Cynosurus Peter Rubtzoff 1974-5-25 7460 Sonoma Upper Green Valley Marsh. Comment
  CDA16160  Cynosurus echinatus G. F. Hrusa, R. Gross 1999-6-12 15075 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
  UCR121479  Cynosurus echinatus George K. Helmkamp, E. A. Helmkamp 2000-6-18 5699 Sonoma Outer North Coast Ranges, along Calif. Hwy 128, 0.5 mi south of Mendocino Co. line 381 Comment
  CAS-BOT-BC190426  Cynosurus echinatus David L. Morgan 1956-5-17 s.n. Sonoma On Burnside Road, 200 yards south of the junction of Barnett Valley Road. Comment
  CAS-BOT-BC114772  Cyperus acuminatus Peter Rubtzoff 1987-10-17 9873 Sonoma Russian River ca. 6 miles E of Guerneville. Comment
  CAS-BOT-BC114514  Cyperus eragrostis Peter Rubtzoff 1951-7-21 503 Sonoma Pitkin Marsh, near Forestville. Damp, open area between the Upper and the Lower marshes. Comment
  UCR218735  Cyperus eragrostis George K. Helmkamp, E. A. Helmkamp 2010-6-4 16222 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  CAS-BOT-BC114339  Cyperus esculentus Peter Rubtzoff 1965-9-11 5650 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  CAS-BOT-BC113909  Cyperus niger var. capitatus Peter Rubtzoff 1965-9-5 5645 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  CAS-BOT-BC113915  Cyperus niger var. capitatus Peter Rubtzoff 1955-9-10 2136 Sonoma East Guernewood, near Guerneville. On a Russian River island. Comment
  CAS-BOT-BC113902  Cyperus niger var. castaneus Milo S. Baker 1938-6-1 10184 Sonoma Wet spot Bennett Valley Road. Comment
  SEINET12078101  Cypripedium montanum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -257 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC70723  Cystopteris fragilis D. E. Breedlove 1980-6-28 44814 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC189847  Dactylis glomerata Mary P. Wells 1982-8-21 137 Sonoma Salt Point State Park. Comment
  RSA216130  Damasonium californicum Peter Rubtzoff 1961-5-24 4606 Sonoma Upper Stemple Creek Marsh. Comment
  UCD137999  Damasonium californicum Herbert L. Mason 1928-4-13 4325 Sonoma near Petaluma. 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-BC192279  Danthonia californica John Thomas Howell 1947-6-5 23246 Sonoma Cunningham Marsh Comment
  JEPS121156  Danthonia californica Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18595 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  SD180627  Danthonia californica Beecher Crampton 1965-5-13 7339 Sonoma ca. 8.5 miles southeast of Geyserville; south end of Alexander Valley; junction of Calistoga (highway 128) and Chalk Hill Road Comment
  UCD60309  Danthonia californica P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified Forest Road. Comment
  UCD60686  Danthonia californica var. americana R. Tofsrud 1941-4-1 27 Sonoma Near Wright School. Comment
  UCD60998  Danthonia californica var. americana P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  UCD126531  Datura stramonium J. M. Tucker; C. H. Lamoureux 1958-6-8 3406 Sonoma 0.6 mile north of junction of Vine Hill Road and Guerneville Road (around 9 miles west of Santa Rosa). Comment
  CDA15310  Daucus carota G. F. Hrusa 1998-11-29 14907 Sonoma Foote Ranch, corner of Hwy 128 and Ida Clayton Rd., Knights Valley. 0 Comment
  UCD127395  Daucus carota R. Tofsrud 1948-6-24 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC293812  Deinandra corymbosa Walter Knight; Irja Knight 1965-9-13 1190 Sonoma Lohrman Lane near firehouse. Petaluma Comment
  UC912489  Delphinium Herbert L. Mason 1928-4-13 4326 Sonoma wet marsh and pools near Petaluma Comment
  CAS-BOT-BC9574  Delphinium bakeri E. Armstrong 1932-5-7 5900 Sonoma Coleman Valley at Hedrin Ranch Comment
  CAS-BOT-BC9017  Delphinium decorum John Thomas Howell 1931-4-18 6413 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC9020  Delphinium decorum John Thomas Howell 1931-4-18 6416 Sonoma Larkspur Rock near Bodega Bay Comment
  CAS-BOT-BC10006  Delphinium hesperium A. T. Graff 1925-5-20 S.N. Sonoma Trosphers, Cazadero Comment
  RSA264777  Delphinium hesperium Peter Rubtzoff 1974-5-25 7465 Sonoma Hwy 116, 2 miles W of Forestville Road cut (of Hwy 116) in forest Comment
  CAS-BOT-BC10094  Delphinium luteum Milo S. Baker 1926-4-14 186 b Sonoma Between Bodega and the Bay Comment
  POM150547  Delphinium nudicaule A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross. Comment
  UC424874  Delphinium nudicaule Milo S. Baker 1930-4-5 3930 d Sonoma Coast Road a few mi s Russian River Comment
  UC58221  Delphinium nudicaule A. A. Heller 1903-4-23 6604 Sonoma Fort Ross Comment
  UC635359  Delphinium nudicaule H. L. Mason 1928-4-7 4277 Sonoma Jenner Russian River (mouth of river) Comment
  UC75782  Delphinium nudicaule Miss M. Alice King April 1897 Sonoma near Healdsburg Comment
  RSA177904  Delphinium nudicaule Robert F. Thorne 1965-4-20 34359 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  UC486513  Delphinium patens subsp. patens H. E. and S. T. Parks 1930-5-10 843 Sonoma along small stream Knights Valley Comment
  CAS-BOT-BC7764  Delphinium variegatum subsp. variegatum Ella D. Cantelow 1939-4-8 2592 Sonoma South of Shellville Comment
  CAS-BOT-BC7769  Delphinium variegatum subsp. variegatum John Thomas Howell 1941-4-5 16175 Sonoma 1 mile S of El Verano Comment
  CAS-BOT-BC227655  Deschampsia cespitosa Peter Rubtzoff; Tim Tunison; Nancy Harrison 1976-6-5 8591 Sonoma False Lake Meadow area, Annadel State Park. Comment
  SEINET10954050  Deschampsia cespitosa P. Rubtzoff 1976-6-5 Rubtzoff 8591 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UCD61230  Deschampsia cespitosa R. Tofsrud 1948-6-1 Sonoma By Mark West School. Comment
  UC1131421  Deschampsia cespitosa subsp. cespitosa H. S. Yates 1936-5-16 5605 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  CAS-BOT-BC192603  Deschampsia cespitosa subsp. holciformis David L. Morgan 1956-5-23 s.n. Sonoma 4 mi. S. of Jenner on State Highway #1 Comment
  UC1146616  Deschampsia cespitosa subsp. holciformis Freed W. Hoffman 1944-6-8 2032 Sonoma Kruz Ranch North Coast Ranges, Sonoma Coast, Kruz Ranch Comment
  UCD63803  Deschampsia cespitosa subsp. holciformis David L. Morgan 1956-6-26 Sonoma Bank above Shell Beach, 1/4 mile south of Goat Rock. Comment
  JEPS45809  Deschampsia danthonioides Eleanor Armstrong 1932-5-18 160 Sonoma 4 mi. w. Santa Rosa 45 Comment
  RSA785842  Deschampsia danthonioides Peter Rubtzoff 1974-5-26 7494 Sonoma Todd road 1.5 mi from Hwy 116 and 0.5 mi from Llano Road Comment
  UCD165167  Deschampsia danthonioides Peter Rubtzoff 1974-5-26 7494 Sonoma Todd Road 1.5 mi. from Hwy. 116 and 0.5 mi. from Llano Road. Comment
  UCD62498  Deschampsia danthonioides R. Tofsrud 1941-5-1 77 Sonoma Near Santa Rosa. Comment
  CAS-BOT-BC201646  Deschampsia danthonioides G. DeNevers 1981-5-14 1155 Sonoma Top of Horse Hill near the Water Tank Comment
  CAS-BOT-BC201953  Deschampsia elongata Greg de Nevers 1992-6-26 10182 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. Franz Creek 91 Comment
  POM207093  Deschampsia elongata A. A. Heller 1902-6-7 5653 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UCD63734  Deschampsia elongata P. B. Kennedy 1916-7-17 Sonoma Del Mar. Comment
  SEINET3927657  Deschampsia holciformis Fred W. Hoffman 1943-5-9 2204 Sonoma Bodega Park, Sonoma Coast.; 0 Comment
  UC9934  Dicentra formosa Harley P. Chandler 1900-5-25 669 Sonoma Bodega Comment
  CAS-BOT-BC208929  Dichanthelium acuminatum subsp. acuminatum P. B. Kennedy 1915-5-31 s.n. Sonoma Annapolis region. Comment
  SEINET7293082 Image available Dichanthelium acuminatum subsp. fasciculatum Peter Kamb, Francia Chisaki 1950-1 1852 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners Comment
  SEINET238950 Image available Dichanthelium acuminatum subsp. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers 12 miles (direct line) east of Colverdale. North slope of well above Geyser Creek. 494 Comment
  UCR27417  Dichanthelium acuminatum subsp. thermale John C. Roos, L. Roos 1956-9-1 6598 Sonoma North Coast Range, The Geysers 549 Comment
  UC1133902  Dichelostemma capitatum E. Armstrong 1934-3-26 930 Sonoma 2 mi n Camp Meeker; Sebastopol Quad. 91 Comment
  CAS-BOT-BC502206  Dichelostemma capitatum G. DeNevers 1981-4-25 859 Sonoma Mark West Creek and Leslie Creek confluence, roadside. Pepperwood Ranch Comment
  RSA130891  Dichondra donelliana E. K. Balls 1958-7-21 23584 Sonoma State Hwy. 1, 7.3 mi. se. from Fort Ross. 137 Comment
  UCR255869  Digitaria sanguinalis Greg de Nevers 1996-9-23 10879 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 476 Comment
  CAS-BOT-BC152045  Diplacus aurantiacus F. H. Utech; Walter Knight; Irja Knight 1984-4-16 84 -076 Sonoma Ca 4.0 mi. NNW of Sonoma on Cavedale road from junction with CA hwy 12, ca. 0.4 mi N on Cavedale Road from junction. 106 Comment
  UCD137487  Dipsacus sativus J. D. Skoss 1948-7-25 40 Sonoma Shellville. Comment
  POM109250  Disporum hookeri var. hookeri Marcus E. Jones 1882-7-8 s.n. Sonoma Duncan Mills. Comment
  RSA0022418  Distichlis Peter Rubtzoff 1971-8-23 6646 Sonoma Spring Hill Road, 0.8 miles SE of Bodega Hwy (of Two Rock Church). Comment
  CDA31328  Dittrichia graveolens Robin Breckenridge, K. Filippini 2009-12-3 PDR# 1313582 Sonoma Rohnert Park: intersection of Highway 116 West at 101 North. 0 Comment
  HSC17868  Dodecatheon hendersonii R. F. Good 1962-4-20 23 Sonoma 2 mi. W of Petaluma on D St. Extension toward Pt. Reyes: Sonoma Mtn. Coastal Range 46 Comment
  SJSU8499  Dodecatheon hendersonii T. A. Wayne III 1962-4-7 Sonoma midway between Bodega Bay & Salmon Cr 91 Comment
  UC890656  Downingia concolor var. concolor Alice Eastwood 1921-4-24 10327 Sonoma Santa Rosa Comment
  UC76661  Downingia concolor var. concolor Miss M. Alice King May 1897 Sonoma Comment
  JEPS14401  Downingia pusilla W. L. Jepson 1921-5-6 9194 Sonoma Sonoma Valley Comment
  CAS-BOT-BC401570  Drosera rotundifolia John Thomas Howell 1945-5-30 20906 Sonoma Pitkin Marsh Comment
  LA208035  Drymocallis glandulosa J. A. Ewan; 1935-5-12 9235 Sonoma Mouth of Salmon Creek on Bodega Bay Comment
  CAS-BOT-BC71016  Dryopteris arguta J. W. Congdon 1880-1-11 s.n. Sonoma Petaluma Comment
  UCD136430  Dryopteris arguta Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1754 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. In Adobe Canyon along Goodspeed Trail approx. 200 yds. From just E of Bear Creek about 5 yds. N of confluence with Sonoma Creek. 198 Comment
  JEPS35199  Dryopteris expansa Fred Hein 1931-11-12 Sonoma near mouth of Gualala River (Mendocino Co. line) Comment
  UC62802  Dryopteris expansa J. Burtt Davy 1896-3-13 1641 Sonoma near Duncan Mills Comment
  CAS-BOT-BC536738  Duchesnea indica Nelly Farnum 1963-5-19 38 Sonoma 3 miles north of Sonoma in small field. Comment
  CAS-BOT-BC428180  Dudleya cymosa subsp. cymosa Alice Eastwood 1900-5-1 s.n. Sonoma Knights Valley Comment
  CAS-BOT-BC428181  Dudleya cymosa subsp. cymosa C. F. Leitholt 1893-6-1 s.n. Sonoma On the border of Bennett Valley Comment
  SD38625  Dudleya farinosa Edith A. Purer 1932-7-21 4036 Sonoma Bodega Bay Comment
  SD71428  Dysphania botrys Peter Rubtzoff 1965-8-22 5615 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville) Comment
  CAS-BOT-BC210132  Echinochloa Peter Rubtzoff 1971-8-31 6663 Sonoma Todd Road near Stony Point Road. Comment
  UCD164337  Echinochloa Peter Rubtzoff 1976-8-29 8834 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  SEINET11690150  Echinochloa crus-galli W. Knight, Knight, I.; Howell, J. T. 1987-1 6283 Sonoma Llano Road between Gravenstein Hwy & Todd Road near sewage plant 20 Comment
  UCD60945  Echinochloa crus-pavonis Virginia Bufford 1935-9-8 79 Sonoma Pitkins Yard, Vine Hill District. Comment
  UCD160914  Ehrendorferia chrysantha James A. Neilson Jr. 1975-7-8 3421 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  CAS-BOT-BC376432  Elatine Greg de Nevers 1996-5-30 10838 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In the side canyon between Leslie Creek and Dentist's Lake. 400 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
  CAS-BOT-BC261656  Eleocharis Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7801 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC274413  Eleocharis Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7849 Sonoma Kenwood Marsh. Comment
  UCD164985  Eleocharis Peter Rubtzoff; Nancy Harrison, Ruth Hass, Charles Quibell 1974-8-31 7849 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC113725  Eleocharis acicularis LeRoy Abrams 1920-7-3 7614 Sonoma Stewarts Point. Comment
  CAS-BOT-BC113738  Eleocharis acicularis var. gracilescens Peter Rubtzoff 1962-6-13 4909 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC113733  Eleocharis acicularis var. occidentalis Peter Rubtzoff 1955-7-30 2002 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC113674  Eleocharis tenuis var. tenuis Walter Sturgeon 1957-7-15 s.n. Sonoma Sturgeon's Mill near Sebastopol. Comment
  POM193576  Elymus R. C. Bacigalupi 1926-5-2 1405 Sonoma Cazadero. Comment
  CAS-BOT-BC213786  Elymus X hansenii G. DeNevers; M. Harding 1981-7-11 1743 Sonoma Pepperwood Ranch Franz Valley Road Comment
  UCD37351  Elymus elymoides Beecher Crampton 1959-6-16 5386 Sonoma Sonoma County, 1 mile east of Occidental. Comment
  CDA36958  Elymus glaucus 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
  UCD15828  Elymus glaucus J. D. DiTomaso 1998-5-18 s.n. Sonoma Sugarloaf Ridge State Park. 430 Comment
  UCD62299  Elymus glaucus R. Tofsrud 1941-5-1 52 Sonoma Mc Donald Reservoir. Comment
  CAS-BOT-BC203708  Elymus glaucus subsp. glaucus Milo S. Baker 1945-5-15 10919 Sonoma 4 mi W of Santa Rosa near Wright's School Comment
  CAS-BOT-BC203714  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-11 1251 Sonoma South slope sof Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC203723  Elymus glaucus subsp. glaucus G. DeNevers 1981-5-9 1106 B Sonoma Pepperwood Ranch. S of Redwood Canyon Comment
  UCD164990  Epilobium Peter Rubtzoff; Nancy Harrison 1974-9-7 7861 Sonoma Hinebaugh Creek in Rohnert Park, W of Commerce Blvd. Comment
  CAS-BOT-BC368082  Epilobium Greg de Nevers 1998-4-28 11208 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge Comment
  UCD158798  Epilobium canum James A. Neilson Jr. 1974-7-10 2825 Sonoma Mayacmas Mountains. One-half mile south of Geyser Rock, west of Whispering Pines, on road to PG and E geothermal units 9 and 10. 998 Comment
  CAS-BOT-BC166619  Epilobium canum subsp. canum John I. Carlson 1917-7-23 s.n. Sonoma Preston Comment
  SEINET13287585 Image available Epilobium ciliatum A. G. Vestal 1937-6-18 s.n. Sonoma Comment
  UC353823  Epilobium ciliatum subsp. ciliatum Milo S. Baker 1928-6-28 3199 C Sonoma Pitkin Marsh Vine Hill Region Comment
  UC728614  Epilobium ciliatum subsp. ciliatum Milo S. Baker 1945-8-14 11140 Sonoma on Gravenstein Hwy about 2 mi n Sebastopol (in marsh); Twin-Pine Ranch Comment
  CAS-BOT-BC262971  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1520 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  CAS-BOT-BC262987  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1524 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  RSA800032  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1520 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  CAS-BOT-BC262970  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1955-8-20 2088 Sonoma Bodega Harbor Marsh. Comment
  UC1122559  Epilobium ciliatum subsp. watsonii H. S. Yates 1934-4-21 3791 Sonoma near Bodega; Sebastopol Quadrangle Comment
  UCR248959  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5339 Sonoma Bodega Bay Marsh 15 Comment
  RSA0015638  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5339 Sonoma Bodega Bay Marsh. Comment
  RSA46765  Epilobium ciliatum subsp. watsonii L. S. Rose 1947-5-9 47136 Sonoma Bodega Bay 6 Comment
  UCR244514  Epilobium densiflorum Peter Rubtzoff 1969-8-26 6154 Sonoma On River Road, c. 3 miles west of Fulton 27 Comment
  CAS-BOT-BC262786  Epilobium hallianum Peter Rubtzoff 1959-5-30 4058 Sonoma Freestone Marsh, ca. 1 mile northwest of Freestone. Comment
  CAS-BOT-BC262813  Epilobium hallianum Peter Rubtzoff 1957-5-11 3334 Sonoma Occidental Marsh, (0.6 - 0.7 miles northeast of Occidental, near the road to Graton). 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
  JEPS128204  Epilobium minutum Roger Raiche 2000-4-30 052 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCR42297  Epilobium minutum L. F. LaPre 1985-6-25 s.n. Sonoma Coast Ranges, Socrates Mine, c. 9 mi. ENE of Geyserville 917 Comment
  UCD165327  Equisetum Peter Rubtzoff 1973-8-21 7254 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD148435  Equisetum X ferrissii Peter Rubtzoff 1962-5-25 4840 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC57037  Equisetum arvense Peter Rubtzoff 1954-6-6 1467 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC57045  Equisetum arvense Peter Rubtzoff 1959-6-7 4108 Sonoma Russian River betw. Vacation Beach and East Guernewood near Guerneville Comment
  CAS-BOT-BC57206  Equisetum hyemale subsp. affine Greg de Nevers 1993-5-16 10447 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Along Franz Creek east of 3865 Franz Valley Rd. 457 Comment
  UCD144427  Equisetum laevigatum Caitlin Lewis; William Mutch 1993-4-17 16 Sonoma about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile near visitor center. Along Sonoma Creek. 365 Comment
  CAS-BOT-BC57655  Equisetum telmateia Dorothy Scherer 1996-3-16 006 Sonoma West of Hwy 1 and south side of Kolmer Gulch, Fort Ross State Historic Park 10 Comment
  UC1151492  Equisetum telmateia subsp. braunii H. E. Brown and A. A. Heller 1902-3-27 5161 Sonoma w base Mt. Hood Comment
  UCD135713  Equisetum telmateia subsp. braunii G. F. Hrusa 1995-4-2 12042 Sonoma Franz Valley Rd., approx. 3 m. W of Knights Valley interection with Hwy. 128. 150 Comment
  HSC24598  Equisetum telmateia subsp. braunii F. Demostene 1966-4-12 46 Sonoma 25 mi. W of Healdsburg. Comment
  CAS-BOT-BC182758  Eragrostis cilianensis Peter Rubtzoff 1958-8-30 3930 Sonoma Vacation Beach, near Guerneville. Comment
  UCR279638  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1958-8-30 3933 Sonoma Vacation Beach, near Guerneville 3 Comment
  UC567089  Ericameria arborescens J. B. Spring 1932-7-7 97 Sonoma 2/5 mi sw Veader Mountain; Napa Quadrangle 609 Comment
  SEINET12537284  Ericameria ericoides Jennifer S. Kluse 2010-1 3 Sonoma University of California, Bodega Bay Marine Laboratory; Ridge of dune directly in front of Marine Lab main building.; Bodega Bay Marine Lab Comment
  JEPS41425  Erigeron biolettii F. Bioletti 1893-6-1 Sonoma Hoods Peak Comment
  JEPS82249  Erigeron biolettii Roger Raiche 1983-7-15 30496 Sonoma along Skaggs Spring Rd/Stewarts Point Rd 5.8 mi e intersection with Annapolis Road 45 Comment
  CAS-BOT-BC293629  Erigeron biolettii M. Morse 1922-1-1 317 Sonoma Russian River, near Guerneville Comment
  CAS-BOT-BC295123  Erigeron glaucus L. Beane; Lois E. James 1949-5-11 2072 Sonoma Between Fort Ross and Jenner Comment
  UCD132009  Erigeron glaucus Charles B. Heiser Jr. 1946-8-17 1832 Sonoma Jenner. Comment
  CAS-BOT-BC295131  Erigeron greenei John Thomas Howell 1936-7-26 12669 Sonoma Between Occidental and Graton Comment
  JEPS128178  Eriodictyon californicum Roger Raiche 2001-5-17 023 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  RSA393635  Eriogonum latifolium E. A. Purer 1932-7-16 16259 Sonoma Bodega Bay. Sandy bluff. Comment
  RSA766132  Eriogonum latifolium J. T. Howell 1930-6-8 5257 Sonoma 1 mile east of Bodega Bay Comment
  SBBG64029  Eriogonum latifolium J. T. Howell 1930-7-27 5402 Sonoma 1 mi N of Fort Ross Comment
  UC582867  Eriogonum latifolium P. A. Munz 1936-8-7 14305 Sonoma 2 mi n Bodega Comment
  CAS-BOT-BC259252  Eriogonum latifolium W. R. Dudley 1893-9-9 s.n. Sonoma Near mouth of Russian River Comment
  CAS-BOT-BC259266  Eriogonum latifolium Greg de Nevers 1997-5-14 11001 Sonoma Estero Americano, south of Bodega. Sonoma Land Trust Hepper Preserve 30 Comment
  SD22296  Eriogonum latifolium John Thomas Howell 1930-7-27 5414 Sonoma Marine bluff, 4 miles north of Bodega Bay Comment
  CAS-BOT-BC259467  Eriogonum luteolum Walter Knight; Irja Knight; Tiffany Knight; Dr. Steve Edwards 1985-7-21 5395 Sonoma Red Hill off Pine Flat Road 640 Comment
  CAS-BOT-BC259484  Eriogonum luteolum John Thomas Howell 1931-9-26 8091 Sonoma 2 miles from Monte Rio on road to Camp Meeker 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
  UC1032215  Eriogonum nudum var. auriculatum J. B. Spring 1932-6-26 87 Sonoma 2 mi ne Kenwood; Santa Rosa Quadrangle 548 Comment
  SEINET6165148 Image available Eriogonum polypodum Unknown 1983-7-18 s.n. Sonoma 3 mi SW of Occidental Comment
  CAS-BOT-BC262393  Eriogonum vimineum R. D. Stone 1983-6-16 552 Sonoma At the Little Geysers, upper Big Sulphur Creek drainage 701 Comment
  CAS-BOT-BC298518  Eriophyllum confertiflorum Mrs. C. A. Burlingame 1921-6-28 s.n. Sonoma About 3 mi. S. of Healdsburg. Comment
  UCSB22550  Eriophyllum lanatum Jensen, Karen 1965-4-15 Sonoma Along Highway 1, about 1 km. south of Bodega 13 Comment
  CAS-BOT-BC301163  Eriophyllum lanatum var. achilleoides L. Beane; Lois E. James 1949-5-11 1939 Sonoma 2 mi. N. of Cloverdale 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
  POM66821  Eriophyllum lanatum var. arachnoideum Marcus E. Jones 1882-7-17 2773 Sonoma Duncan[s] Mills. Comment
Read comments
Jun 19 2012
  RSA178038  Eriophyllum lanatum var. arachnoideum R. F. Thorne 1965-4-20 34389 Sonoma Los Alamos Road, on rocky, clayey bank, 1 or 2 miles NE of State Hwy 12 Comment
  SEINET11842885  Eriophyllum lanatum var. arachnoideum W. Knight, Knight, I.; Edwards, S. 1986-1 5349 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Rd 853 Comment
  CAS-BOT-BC302016  Eriophyllum staechadifolium John Thomas Howell 1930-6-8 5280 Sonoma 8.5 miles n. of Bodega Bay Comment
  POM358137  Eriophyllum staechadifolium Christopher Davidson 1977-6-17 5886 Sonoma Coast Hwy 1, ca. 3 miles N of Jenner. Comment
  CDA32952  Erodium botrys D. Barbe & P. Hiatt 1979-5-1 Sonoma South of Asti; on Asti Road, 0.45 mile south of Washington School Road. 0 Comment
  CDA28602  Eryngium aristulatum G. F. Hrusa, A. Buckmann (DFG) 1996-10-5 13582 C Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Comment
  SBBG27238  Eryngium aristulatum var. aristulatum A. Eastwood, J. T. Howell 1936-5-19 2510 Sonoma 2 mi N ofWindsor Comment
  POM259280  Eryngium aristulatum var. aristulatum J. T. Howell 1933-8-27 11619 Sonoma Low lands bordering the San Pablo Bay southwest of Sonoma Comment
  POM179766  Eryngium armatum J. T. Howell 1930-6-8 5215 Sonoma 8 miles west of Petaluma on Bodega Road. Comment
  RSA223350  Eryngium armatum Peter Rubtzoff 1962-8-3 5019 Sonoma Atascadero Creek Marsh Comment
  UC1931039  Eryngium constancei G. F. Hrusa 1996-10-5 13582 B Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m SW of Calistoga. 700 Comment
Read comments
Jan 8 2013
  CDA15033  Eryngium oblanceolatum R. Gross 1998-10-28 s.n. Sonoma North Coast Biodiversity Arena; 1/2 mi. N of Hwy 37 on Hwy 121, W side. Comment
  CAS-BOT-BC54719  Erysimum concinnum Alice Eastwood 1899-5-1 s.n. Sonoma Bodega Point. Comment
  CHSC22331  Erythranthe microphylla Robert A. Schlising 1962-3-31 2124 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  UCR265137  Erythronium californicum Ann Howald 2015-4-1 3314 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 14.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 520 Comment
  CAS-BOT-BC502683  Erythronium californicum Volney Rattan 1877-6-25 s. n. Sonoma near Cloverdale 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
  SEINET12049759  Erythronium helenae W. Knight, Knight, I.; Edwards, S. 1986-1 5256 Sonoma between Mercuryville and Jesper's Resort Rd jct Comment
  UC147065  Eschscholzia caespitosa H. P. Chandler 1907-4-21 7534 Sonoma road from Glen Ellen to Oakville Comment
  CAS-BOT-BC403702  Eschscholzia californica Alice Eastwood 1899-1-1 s.n. Sonoma Bodega Point Comment
  SEINET7067232  Eschscholzia californica A. G. Vestal 1947-5-12 s.n. Sonoma About 1 miles east of Occidental on the Occidental Road. Coordinate datum: NAD27. UTM Zone 10, 506085mE, 4250797mN. Comment
  HSC16756  Eschscholzia californica F. Demostene 1966-4-1 8 Sonoma 2 mi. E of Healdsburg Comment
  CAS-BOT-BC202770  Euonymus occidentalis K. Wagnon 1939-5-1 220 Sonoma Along Jonive Cr. about 1/8 mile northeast of Wagnon Ranch, 5 mi. west of Sebastopol Comment
  CAS-BOT-BC202771  Euonymus occidentalis Peter Rubtzoff 1960-6-25 4524 Sonoma Duncans Mills Marsh Comment
  UC869900  Euonymus occidentalis var. occidentalis K. Wagnon May 1939 220 Sonoma 5 mi. w. of Sebastopol (1/8 mi. n.e. of Wagnon Ranch, along Jonive Creek) Comment
  CAS-BOT-BC294704  Euphorbia Peter Rubtzoff 1969-8-29 6180 Sonoma Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road. Comment
  RSA0020337  Euphorbia Peter Rubtzoff 1969-8-29 6180 Sonoma Forest Hills, 5.5 mi east of Guerneville, at 9981 Old River Road. Comment
  JEPS117122  Euphorbia oblongata Peter Warner 2010-4-22 134 Sonoma State Hwy. 128 ~3.03 mi. (fr. N) at turnout on E side of road at metal gate, in adjacent disturbed grassland and across road, about 2 miles NW of Cloverdale. Comment
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Jul 7 2017
  CDA34798  Euphorbia oblongata Peter Warner 2010-4-22 134 Sonoma State Hwy. 128, ~3.03 mi (fr. N) at turnout on E side of road at metal gate, about 2 NW of Cloverdale. Comment
  CDA4869  Euphorbia oblongata T. C. Fuller 1985-5-31 20430 Sonoma East side of Arnold Drive, Highway 116, just north of culvert no. 45.19, ca. 7 km. south of El Verano. 0 Comment
  UCD158779  Eurybia radulina James A. Neilson Jr. 1974-8-19 2850 a Sonoma Mayacmas Mountains, Geyser Rock. West of Whispering Pines, in the vicinity of the boundary line of Sonoma and Lake Counties. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  RSA0065935  Festuca Greg de Nevers 1989-04 9062 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  UCR253367  Festuca arundinacea Peter Rubtzoff 1974-5-25 7455 Sonoma Upper Green Valley Marsh 76 Comment
  JEPS121154  Festuca bromoides Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18600 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  CAS-BOT-BC283193  Festuca californica subsp. californica Mary P. Wells 1984-5-24 276 Sonoma Annadel State Park, Santa Rosa Comment
  CAS-BOT-BC278393  Festuca elmeri Greg de Nevers 1987-6-1 8187 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  UC1011029  Festuca elmeri Virginia Bufford 1936-5-20 315 Sonoma 5 mi from Mark West (Mark West Rd) Comment
  UC573935  Festuca idahoensis H. S. Yates 1937-5-30 6544 Sonoma 3 mi wnw Graton; Sebastopol Quad. 60 Comment
  UCD151089  Festuca occidentalis James A. Neilson Jr. 1973-6-3 2960 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
  UCD66492  Festuca subuliflora P. B. Kennedy 1915-5-31 s.n. Sonoma Stewart's Point to Annapolis. Comment
  UCD113202  Fragaria chiloensis R. H. Miller 1949-4-6 25 Sonoma Coast Route 1, approximately 5 miles south of Jenner. Comment
  UCD35634  Frangula californica Beecher Crampton 1959-6-16 5363 Sonoma 3 miles west of Graton. Comment
  CAS-BOT-BC53284  Frangula californica subsp. californica John H. Thomas 1976-6-16 18298 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UCD158845  Frangula californica subsp. crassifolia James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2912 Sonoma The Geysers, west central part of Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  UCD112779  Frangula californica subsp. tomentella G. F. Hrusa; T. D. Wilfred 1995-12-3 12485 Sonoma W-facing slope of main ridge running SW from Chalk Mountain. Foote Ranch property, NW base of Mt. St. Helena. 450 Comment
  CAS-BOT-BC218585  Fraxinus latifolia Peter Rubtzoff 1964-6-20 5364 Sonoma Laguna de Santa Rosa southeast of Sebastopol near Cooper Road Comment
  SBBG32298  Fraxinus latifolia L. S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Crk NE of Santa Rosa 121 Comment
  UC615378  Fritillaria affinis Beryl O. Schreiber 1932-4-3 211 Sonoma e side of Mount St. Helena Mount St. Helena Comment
  CAS-BOT-BC130455  Fritillaria purdyi M. D. B.; Demeor 1926-3-30 163 c - Son. Serries Sonoma The Crater - Mt. St. Helena Comment
  CAS-BOT-BC508138  Fritillaria recurva Roger Raiche 1985-4-6 50176 Sonoma West of Healdsburg, ridge on west side of Dry Creek Valley, north of Dorman Canyon up to Bradford Mt. 243 Comment
  RSA276856  Galium aparine Peter Rubtzoff 1964-7-7 5395 Sonoma Duncan Mills Marsh. Comment
  JEPS52892  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3902 Sonoma 4.8 mi n Cazadero (on King Mt. Rd.) Comment
  UCD121825  Galium nuttallii M. Barbour 1970-11-30 s.n. Sonoma Bodega Marine Station. 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
  UCSB50248  Galium parisiense Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach 18 Comment
  JEPS52967  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3903 Sonoma 4.8 mi n Cazadero (on King Mt. Road) Comment
  SD58505  Galium porrigens var. porrigens Joseph T. Gregory 1936-3-15 1055 Sonoma East side of Russian River on road from Cloverdale to Hopland, first point north of drinking fountain Comment
  UC762698  Galium triflorum Robert F. Hoover 1941-5-14 5092 Sonoma near Joy District School (sw of Occidental) Comment
  UCR255027  Gamochaeta pensylvanica Greg de Nevers 1993-5-30 10463 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 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
  HSC8393  Garrya fremontii S. N. Wiemeyer 1962-1-28 5 Sonoma 3/4mi E of County Hospital along Chanate Rd. 213 Comment
  UC1122666  Garrya fremontii C. M. Belshaw 1936-3-8 1570 Sonoma Rincon Ridge Santa Rosa Quad. (1.5 mi ne of County Farm) 251 Comment
  SEINET12137327  Garrya fremontii W. Knight, Knight, I. 1981-1 3988 Sonoma 5.6 mi up Cavedale Rd at summit from jct of state route #12 Comment
  CAS-BOT-BC311826  Gastridium Peter Rubtzoff 1973-8-20 7226 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC278683  Gastridium phleoides G. DeNevers 1981-9-12 1843 Sonoma Pepperwood Ranch. On Mark West Creek, at confluence with Leslie Creek Comment
  UC50493  Gastridium ventricosum Jos. Burtt Davy 1896-7-23 Sonoma near Duncan's Mills; near Duncan's Mills Comment
  UC971691  Gastridium ventricosum Leo Koch 1940-4-22 837 Sonoma above Sulfur Creek Geysers; above Sulfur Creek Geysers Comment
  CAS-BOT-BC193255  Genista monspessulana Walter & Irja Knight 1990-5-1 6591 Sonoma Calistoga Road near junction of Porter Creek Road 182 Comment
  UCD105725  Genista monspessulana Mary M. Hektner 1976-4-3 237 Sonoma Roadcut of State Highway 1: Unit 35-A Owners' Map, Sea Ranch. Comment
  SD56819  Geranium dissectum Darley F. Howe 1963-5-22 3520 Sonoma 14 miles south of Santa Rosa on #12 121 Comment
  SEINET7067347  Gilia capitata A. G. Vestal 1947-5-16 s.n. Sonoma About 4.8 miles east of Windsor and northwest of Mark West Springs. Coordinate datum: NAD27. UTM Zone 10, 523072mE, 4267195mN. Comment
  CAS-BOT-BC361367  Gilia capitata subsp. capitata Greg de Nevers 1997-4-12 10929 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  JEPS27966  Gilia capitata subsp. capitata Rimo Bacigalupi and L. Heckard 1961-6-9 7741 Sonoma about 3/4 mi nw Occidental School (along Stoetz Lane, about 1/2 mi nw of its junction with Harrison Grade road); nw of Occidental School 228 Comment
  CAS-BOT-BC225279  Gilia capitata subsp. chamissonis Peter Rubtzoff 1960-5-18 4384 Sonoma Bodega Harbor Marsh Comment
  RSA178597  Gilia capitata subsp. chamissonis Roxana S. Ferris 1932-5-27 8259 Sonoma Upper Bodega Bay Comment
  SD60184  Gilia capitata subsp. chamissonis Roxana S. Ferris 1932-5-27 8259 Sonoma Sand dunes, upper Bodega Bay. Comment
  JEPS117108  Gilia capitata subsp. tomentosa Peter Warner 2010-6-2 160 Sonoma Jenner Headlands, NW part of Upper Russian Gulch Field, ~ 100[m?] downslope fr. power lines Comment
  UC1784202  Glebionis segetum Ethel Crum 1930-1 737 Sonoma Petaluma Comment
  UCD167339  Glyceria James A. Neilson Jr. 1983-5-9 4092 Sonoma Mayacmas Mountains. About 3 mi north of beginning of Geysers-Healdsberg Rd. (Location information obtained from Neilson 4091 which indicated milage is from the beginning of Geysers-Healdsberg Rd. Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1026485  Glyceria elata Peter Rubtzoff 1951-6-10 204 Sonoma near Forestville (Pitkin Marsh, s of the Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC282808  Glyceria leptostachya Peter Rubtzoff 1951-6-8 407 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC282814  Glyceria leptostachya Peter Rubtzoff 1953-5-31 1422 Sonoma Guerneville Marsh Comment
  UCD166179  Glyceria leptostachya Peter Rubtzoff 1969-7-5 6109 Sonoma Pond, 5.25 miles NE of Penngrove, near Lichan Road. Comment
  UCD66790  Glyceria occidentalis Robert F. Thorne 1965-4-19 34293 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 182 Comment
  CAS-BOT-BC166680  Gnaphalium chilense Peter Rubtzoff 1961-9-6 4730 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  CAS-BOT-BC166699  Gnaphalium chilense Peter Rubtzoff 1962-7-28 5016 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  CAS-BOT-BC166761  Gnaphalium palustre Peter Rubtzoff 1976-10-16 s.n. Sonoma Russian River Beach at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164670  Gnaphalium purpureum Peter Rubtzoff 1953-5-17 1399 Sonoma Forested hills south of Guerneville (Neeley Hill area). Comment
  CAS-BOT-BC164664  Gnaphalium purpureum Peter Rubtzoff 1971-6-5 6519 Sonoma Intermittent lake off wst side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC164671  Gnaphalium purpureum Peter Rubtzoff 1952-6-10 1221 Sonoma Northeast slopes of Fitch Mountain near Healdsburg. Comment
  CAS-BOT-BC173579  Gnaphalium purpureum Peter Rubtzoff 1959-6-6 4095 Sonoma Willow Creek Marsh. Comment
  UCR242983  Gratiola ebracteata Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  CAS-BOT-BC305166  Grindelia hirsutula Walter Knight; Irja Knight 1963-9-1 315 Sonoma Asti Comment
  CAS-BOT-BC305183  Grindelia hirsutula F. T. Bioletti 1891-1-1 s.n. Sonoma Glen Ellen Comment
  POM290375  Grindelia hirsutula Lyman Benson 1930-6-18 2167 Sonoma S of Santa Rosa; Mt. Range: North Coast; River [drainage]: S.F. Bay. 61 Comment
  POM202659  Grindelia hirsutula var. davyi J. T. Howell 1932-10-9 10816 Sonoma 6 miles from Sonoma on road to Napa. Comment
  JEPS54106  Guillenia lasiophylla Milo S. Baker 1898-6-1 589 Sonoma Santa Rosa Cemetery Comment
  UCD85229  Hainardia cylindrica P. G. Connors 1991-6-11 145 Sonoma University of California Bodega Marine Laboratory. Bodega Head. NW corner of Laboratory building. Comment
  CAS-BOT-BC302254  Harmonia nutans J. Clausen 1935-5-23 1073 Sonoma Petrified Forest, near entrance Comment
  JEPS18182  Harmonia nutans Rimo Bacigalupi with Robbins and Chisaki 1956-4-17 5587 Sonoma along road 3.7 mi e beginning of Ida Clayton Rd. on Kellogg Valley side ((jct. with State rd. 128)); Mayacamas Range 685 Comment
  CAS-BOT-BC306329  Hedypnois cretica D. Breedlove 1975-4-28 39495 Sonoma Near Doran Beach, Bodega Bay Comment
  CAS-BOT-BC306765  Helenium bigelovii Milo S. Baker 1927-6-9 2217 b Sonoma About Kenwood Comment
  UCR30567  Helenium puberulum John C. Roos 1948-8-28 3957 Sonoma North Coast Ranges, Barrel Spring, Mill Creek, near Healdsburg 152 Comment
  CAS-BOT-BC309578  Helenium puberulum G. DeNevers 1981-6-18 1572 Sonoma Pepperwood Ranch. Pippindale Pond Comment
  RSA800289  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 mi west of its junction with Franz Valley Road (0.4 mi south of Hwy 128). Comment
  CAS-BOT-BC314693  Helianthella californica var. californica Alice Eastwood 1915-6-6 4568 Sonoma Petrified Forest Comment
  CAS-BOT-BC305966  Helminthotheca echioides Alice Eastwood 1921-7-20 10619 Sonoma On road between Cotati and Santa Rosa Comment
  CAS-BOT-BC268125  Hemizonia Peter Rubtzoff 1973-9-9 7306 Sonoma Kenwood Marsh. Comment
  RSA796176  Hemizonia Peter Rubtzoff 1966-8-25 5803 Sonoma Marshes: Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. 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
  RSA81671  Hemizonia congesta James I. McMurphy 1909-5-28 s.n. Sonoma 2 miles S of Fulton. Comment
  UC727137  Hemizonia congesta subsp. clevelandii A. A. Heller 1941-9-22 16320 Sonoma three mi e northern base ofMount St. Helena (on State Hwy #29) Comment
  CAS-BOT-BC306236  Hemizonia congesta subsp. congesta Greg de Nevers 1986-9-20 8114 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  LA203724  Hemizonia congesta subsp. congesta H. M. Hall; 1916-6-23 10241 Sonoma 12 km NW of Petaluma Comment
  UC990604  Hemizonia congesta subsp. congesta James I. McMurphy 1909-8-9 Sonoma 1 mi s Sonoma Comment
  UCD132987  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-7-1 1081 Sonoma 0.35 mile up Duvall Creek from the Bohemian Highway; on the south side of creek. Comment
  CAS-BOT-BC309673  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-9 713 Sonoma Petaluma Comment
  CAS-BOT-BC309729  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-9 5746 Sonoma 1 mi. E. of Occidental Comment
  OBI16232  Hemizonia congesta subsp. lutescens Lewis S. Rose 1964-8-26 64067 Sonoma 5 mi NE of Penngrove 244 Comment
  UC1299266  Hemizonia congesta subsp. lutescens Freed W. Hoffman 1947-9-5 1384 Sonoma Dutch Bill Creek Comment
  UC1392842  Hemizonia congesta subsp. lutescens R. F. Hoover 1969-8-31 11567 Sonoma near Petaluma; Adobe Road and Casa Grande Road Comment
  UC523538  Hemizonia congesta subsp. lutescens David D. Keck 1933-11-6 2652 Sonoma 0.5 mi s Jenner Comment
  UC990618  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 713 Sonoma Petaluma Comment
  UC990620  Hemizonia congesta subsp. lutescens James I McMurphy 1909-8-9 710 Sonoma Hills between Sonoma and Petaluma Comment
  CAS-BOT-BC309702  Hemizonia congesta subsp. lutescens J. Clausen 1932-9-20 719 Sonoma South of Santa Rosa Comment
  CAS-BOT-BC309715  Hemizonia congesta subsp. lutescens Ella Dales Cantelow 1941-6-7 3575 Sonoma State Hy. 1, 4 mi. n. of Bay Comment
  UCD38976  Hemizonia congesta subsp. lutescens Beecher Crampton 1960-11-29 5809 Sonoma 4 miles southeast of Santa Rosa, Mantanzas Creek, 1/2 mile north of Benntett Valley Grange Hall. Comment
  CAS-BOT-BC309954  Hemizonia congesta subsp. luzulifolia L. R. Abrams 1907-8-1 s.n. Sonoma Santa Rosa Comment
  SD124916  Hemizonia congesta subsp. luzulifolia L. F. LaPre 1986-7-29 Sonoma Socrates Mine, ca. 9 miles eastnortheast of Geyserville. 915 Comment
  SD239596  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2804 Sonoma North Coast Ranges: west slope of Mayacamas Mountains, Los Alamos Rd. at Cougar Lane, 2.3 miles east of intersection Hwy 12. 328 Comment
  UCR233076  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2804 Sonoma North Coast Ranges, west slope of Mayacamas Mountains, Los Alamos Rd. at Cougar Lane, 2.3 miles east of intersection Hwy 12 329 Comment
  CAS-BOT-BC309938  Hemizonia congesta subsp. luzulifolia Walter Knight; Irja Knight; J. T. H. 1984-9-26 5234 Sonoma 5.9 mi. up Cavedale Rd. Comment
  CAS-BOT-BC309943  Hemizonia congesta subsp. luzulifolia H. M. Hall 1924-8-13 12098 Sonoma East side of Russian River between Ukiah and Hopland Comment
  UC295870  Hemizonia congesta subsp. luzulifolia H. M. Hall 1924-8-13 12100 Sonoma n of Healdsburg Comment
  RSA159436  Hemizonia lutescens James I. McMurphy 1909-8-8 701 -B Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  RSA81554  Hemizonia lutescens James I. McMurphy 1909-8-10 717 -C Sonoma About a mile W of Santa Rosa on road to Fulton. Comment
  RSA81567  Hemizonia lutescens James I. McMurphy 1909-8-9 714 -B Sonoma 4.5 miles S of Santa Rosa. Comment
  RSA81620  Hemizonia lutescens James I. McMurphy 1909-7-10 504 Sonoma Rocky point 4 miles NW of Cloverdale on road to Boonville. Comment
  POM53601  Hemizonia luzulifolia A. A. Heller 1902-8-20 6054 Sonoma Lagoon at Scbastopol Comment
  RSA81679  Hemizonia multicaulis subsp. vernalis James I. McMurphy 1909-5-28 s.n. Sonoma About 1 mile W of Santa Rosa. Comment
  SD175774  Hesperocyparis sargentii D. G. Kelch 2006-6-24 06 323 Sonoma On serpentine along Harrison Grade. 167 Comment
  JEPS122891  Hesperolinon spergulinum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-21 649 Sonoma Along Pine Flat Rd accessed from Alexander Valley Rd. off of Hwy 101 north of Healdsburg Comment
  JEPS82313  Hesperolinon spergulinum Roger Raiche 1983-7-5 30484 Sonoma Occassional. Northeast of Plantation relatively open slope facing northwest, Tin Barn Road (3.5 mi north from King Ridge Road). Comment
  UC762262  Hesperolinon spergulinum R. F. Hoover 1942-7-6 5913 Sonoma ridge s The Geysers Comment
  UC73445  Hesperolinon spergulinum Milo S. Baker 1904-6-19 Sonoma above Maple Glen; Sonoma Creek Canyon Comment
  UCSB11578  Hesperolinon spergulinum Dearing, Hugh; Dearing, Margaret 1939-5-15 Sonoma Italian Swiss Colony Comment
  CAS-BOT-BC149830  Heteromeles arbutifolia Walter Knight; Irja Knight 1963-9-1 140 Sonoma Pine Mt. Rd - NE of Cloverdale, Harold Smith Ranch Comment
  CAS-BOT-BC149831  Heteromeles arbutifolia Ynez Whilton Winblad 1941-6-20 s.n. Sonoma Between Ukiah and Santa Rosa, Highway 101 Comment
  UCD113310  Heteromeles arbutifolia Jennifer Bury; Peggy Herzog 1993-5-8 257 Sonoma About air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. On south-facing rocky slope, 25 feet above parking lot, just off of Lower Bald Mountain Trail. 379 Comment
  JEPS81179  Heterotheca oregona var. oregona Edward Lee with W. A. Setchell 1936-6-5 2172 Sonoma Bohemian Grove Comment
  CAS-BOT-BC311060  Heterotheca oregona var. oregona Volney Rattan 1877-6-13 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC311061  Heterotheca oregona var. oregona John Thomas Howell 1926-11-14 2252 Sonoma Between Rincon Valley and Santa Rosa Comment
  CAS-BOT-BC311074  Heterotheca oregona var. rudis Walter Knight; Irja Knight 1963-9-1 308 Sonoma 1 mi from US 101 on Sulphur Creek Rd - Cloverdale Comment
  CDA7880  Heterotheca oregona var. rudis T. R. Haig 1959-11-4 Sonoma 5 miles north of Cloverdale. 0 Comment
  UC87445  Heterotheca sessiliflora subsp. bolanderi Palmer Sonoma Petaluma Comment
  CAS-BOT-BC424436  Heuchera pilosissima H. D. Ripley; R. C. Barneby 1945-6-22 6946 Sonoma Wright's Beach 50 Comment
  SD64434  Heuchera pilosissima Darley F. Howe 1966-6-2 4262 Sonoma 5 miles south of Bodega Bay Comment
  RSA0025690  Hierochloe occidentalis John F. Emmel 1989-12-3 1141 Sonoma 0.3 air mi WSW of Plantation, near NE boundary of Salt Point State Park. 183 Comment
  CAS-BOT-BC123631  Hoita macrostachya Amos Arthur Heller 1902-6-24 5761 Sonoma Near Burke's Sanitarium Comment
  JEPS65622  Hoita macrostachya W. L. Jepson 1921-9-12 9483 Sonoma Alexander Valley; s side 45 Comment
  POM252698  Hoita macrostachya Michener, Bioletti 1893-7-31 2504 Sonoma Adobe Canyon Comment
  RSA124809  Hoita macrostachya Peter H. Raven, R. Snow 1958-7-23 13683 Sonoma 10.5 miles west of Skaggs Springs. Comment
  RSA800062  Hoita macrostachya Peter Rubtzoff, Nancy Harrison 1974-8-31 7857 Sonoma Pressley Road, 0.25 mi south of junction with Sonoma Mountain Road (2.7 mi north of Lichau Road junction). Comment
  NY11970  Hoita villosa A. A. Heller 1902-6-24 5761 Sonoma Near Burke's Sanitarium Comment
  HSC83425  Holcus lanatus Chris Bowen 1974-5-19 132 Sonoma Unit 24 Owners' Map, near Pacific Reach, Sea Ranch, near State Hwy. 1 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
  POM205900  Holcus lanatus Jos Burtt Davy 1896-07 12201 Sonoma Near Guerneville. Comment
  UC818446  Holcus lanatus Marcus E. Jones, A. M. 1882-7-18 3546 Sonoma Duncan's Mills Comment
  CAS-BOT-BC280797  Holcus lanatus Gordon H. True; Fred Ross 1969-10-19 5152 Sonoma Point Reyes Bird Observatory 3 mi. NW of Bolinas, Marin Co. at Arroyo Honda Comment
  CAS-BOT-BC320403  Holocarpha virgata Milo S. Baker 1945-7-17 11106 Sonoma Field S of Guerneville Hiwy about 6 mi from Santa Rosa Comment
  UCD158726  Holodiscus discolor var. discolor Teresa A. Sholars 1976-9-9 s.n. Sonoma Mayacmas Mtns.Along Big Sulpher Creek. Ca.1.5 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 792 Comment
  CAS-BOT-BC166736  Holozonia filipes Peter Rubtzoff 1955-8-27 2095 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC315808  Holozonia filipes Greg de Nevers 1996-7-2 10854 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC315814  Holozonia filipes A. A. Heller 1902-7-1 5800 Sonoma Lagoon at Sebastopol Comment
  CAS-BOT-BC166677  Holozonia filipes Peter Rubtzoff 1971-7-20 6602 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  SEINET257982  Hordeum brachyantherum Mary E. Barkworth, D Amme 1989-6-15 5173 Sonoma S end of Bodega Head onrestored grassland Comment
  CAS-BOT-BC289286  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1955-5-7 1819 Sonoma Ross Marsh Comment
  UC1587967  Hordeum brachyantherum subsp. brachyantherum M. Barkworth, D. Amme 1989-6-15 5173 Sonoma s end Bodega Head; s end Bodega Head Comment
  UCD85530  Hordeum brachyantherum subsp. californicum Roxana S. Ferris; Laura Lorraine 1961-6-14 13545 Sonoma Junction of Occidental Road with Facendini Lane. Comment
  CAS-BOT-BC284844  Hordeum murinum subsp. glaucum Peter Rubtzoff 1951-7-21 487 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC282019  Hordeum murinum subsp. leporinum Jack Guggolz; Betty Guggolz 1991-6-1 1163 Sonoma Collected between Blank Rd and Highway 116 and S of Hessel Rd, S of Sebastapol 38 Comment
  RSA128792  Hordeum vulgare P. H. Raven 1950-4-6 1556 Sonoma Cotati to Santa Rosa. 30 Comment
  CAS-BOT-BC273543  Hordeum vulgare David L. Morgan 1956-5-18 s.n. Sonoma On State Highway #12, 5.4 mi. S. of Santa Rosa city limits Comment
  CDA11293  Horkelia tenuiloba G. F. Hrusa 1994-6-14 11889 Sonoma North Coast Biodiversity Arena; W of Hogback Mtn. Point of main ridge separating headwaters of Nathanson Creek and Agua Caliente Creeks. Comment
  RSA298961  Horkelia tenuiloba Edward Lee 1936-6-7 2200 Sonoma Hear Highpoint, on the fire trail, Bohemian Grove Comment
  UC353799  Horkelia tenuiloba Milo S. Baker 1899-5-1 3005 b Sonoma near Vine Hill; Pitkin Ranch Comment
  CAS-BOT-BC146506  Horkelia tenuiloba Mr. Floyd Bailey; Mrs. Floyd Bailey 1925-4-26 96 a - local Sonoma Plantation Comment
  UCD113462  Horkelia tenuiloba G. F. Hrusa 1989-6-4 7187 Sonoma Headwaters of Agua Caliente Creek. NW exposure, just below summit. Comment
  UC19034  Hypericum concinnum H. N. Bolander 1864-1 3948 Sonoma at the Geysers Comment
  CAS-BOT-BC401293  Hypericum perforatum D. E. Breedlove 1962-6-6 2898 Sonoma Along State Highway 128, 1.5 miles northwest of U. S. Highway 101 at Cloverdale 121 Comment
  RSA790604  Hypochaeris glabra Peter H. Raven 1950-4-6 1579 Sonoma Cotati to Santa Rosa. 152 Comment
  CAS-BOT-BC316712  Hypochaeris radicata Greg de Nevers 1902-6-7 5661 Sonoma Bennett Valley southeast of Santa Rosa Comment
  RSA135812  Iris fernaldii E. K. Balls 1957-5-27 22620 Sonoma Mt. St. Helena, 7.5 miles south of Lake-Sonoma County line 335 Comment
  RSA48722  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
  UCSB890  Iris macrosiphon Keator, Glenn 1959-4-2 Sonoma 1.2 miles east; on Cavedale road and 2.3 miles from Agua Caliente Comment
  CAS-BOT-BC61921  Isoetes nuttallii J. Clausen 1935-5-24 1078 Sonoma Adobe Canyon along Sonoma Creek Comment
  UC810525  Isoetes nuttallii John Thomas Howell 1937-6-6 13028 Sonoma Pitkin Marsh Comment
  RSA114299  Isolepis carinata J. T. Howell 1957-6-13 32620 Sonoma Pitkin Marsh. Comment
  UCR224691  Isolepis carinata Ayzik Solomeshch 2009-5-12 s.n Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  SD134068  Isolepis carinata Peter Rubtzoff 1966-4-30 5696 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 mile from Llano Road, low, moist meadow. Comment
  SEINET7589075 Image available Isolepis carinata John Thomas Howell 1937-6-6 13027 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC112576  Isolepis cernua Peter Rubtzoff; Nancy Harrison 1978-6-11 9216 Sonoma Cunningham Marsh area. Open marshy ground on N side of Blucher Creek valley. Comment
  SD58355  Isolepis cernua W. L. Jepson 1931-7-19 15945 Sonoma Sea-bluffs, just north of Salmon Creek. (IPB 11/07) Comment
  RSA0011155  Juglans Peter Rubtzoff 1970-8-31 6348 Sonoma 5.5 miles east of Guerneville, along Russian River at Forest Hills. Comment
  UCD110264  Juglans hindsii Botany 102 students 1993-4-24 81 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air NW of Napa. S of Sonoma Creek near beginning of Hillside Trail. 381 Comment
  CAS-BOT-BC157997  Juncus Peter Rubtzoff 1968-6-25 5908 Sonoma Lichan Marsh Comment
  CAS-BOT-BC322124  Juncus arcticus Peter Rubtzoff 1962-5-11 4816 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  UCR250390  Juncus balticus Peter Rubtzoff 1957-5-11 3333 Sonoma Occidental Marsh Comment
  UC1299319  Juncus bolanderi Freed W. Hoffman 1942-6-15 2131 Sonoma near Guerneville; North Coast Ranges Comment
  UC842252  Juncus bolanderi Marcus E. Jones, A. M. 1882-7-17 3523 Sonoma Duncan's Mills Comment
  SEINET3877577  Juncus bufonius A. A. Heller 1902-6-11 5688 Sonoma Santa Rosa creek, east of Santa Rosa.; 0 Comment
  UC1057463  Juncus bufonius G. Thomas Robbins 1937-5-23 195 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region) Comment
  CAS-BOT-BC173568  Juncus bufonius var. congestus Peter Rubtzoff; Nancy Harrison 1974-9-7 7860 Sonoma Hinebaugh Creek in Rohnert Park. West of Commerce Blvd. crossing Comment
  CDA42414  Juncus effusus subsp. pacificus D. G. Kelch 2012-5-2 12 .068 Sonoma Dry Creek Valley; near Preston Organic Winery along tributary of Dry Creek. Comment
  SEINET5586469  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-1 5920 Sonoma Upper Salmon Creek Marsh. Comment
  UCD160827  Juncus effusus subsp. pacificus James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3436 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC290569  Juncus lescurii Peter Rubtzoff 1959-6-20 4179 Sonoma Willow Creek Marsh. Comment
  RSA0031401  Juncus lescurii Peter Rubtzoff 1962-10-9 5117 Sonoma Lower Salmon Creek Marsh. Comment
  UC143757  Juncus patens A. A. Heller 1902-6-10 5680 Sonoma Santa Rosa Comment
  UCD141756  Juncus patens Frederica Bowcutt 1996-5-18 1848 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 Road ca. 20 ft.. Trailhead for Pony Gate trail near kiosk and visitor center. 411 Comment
  UCD164186  Juncus phaeocephalus Peter Rubtzoff; Nancy Harrison 1978-6-11 9204 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  UC173145  Keckiella corymbosa unknown Jul 1885 Sonoma near Cloverdale Comment
  UCR248746  Kickxia spuria Peter Rubtzoff 1973-8-20 7228 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente 38 Comment
  RSA0065154  Lactuca Greg de Nevers 1997-8-17 11076 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. Oak Hill Ranch. 100 Comment
  CAS-BOT-BC340487  Lactuca saligna Walter Knight; Irja Knight 1963-8-30 184 Sonoma On Kentucky St between Prospect & Oak Sts. - Petaluma Comment
  RSA783730  Lagophylla ramosissima Peter Rubtzoff 1975-8-26 8359 Sonoma Bennett Mountain Lake. Comment
  UCD125082  Lamium amplexicaule A. A. Heller 1902-6-7 5658 Sonoma Near Santa Rosa. Comment
  UCD124932  Lamium purpureum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 61 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 195 Comment
  JEPS86323  Lasthenia burkei Jack and Betty Guggolz 1988-4-8 912 Sonoma 100 m w Walzer Road (n side of San Miguel Road) Comment
  JEPS86747  Lasthenia burkei Jack and Betty Guggolz 1990-4-6 1028 Sonoma 1.25 mi nw old Windsor (just n of Promenade Lane and e of Herb Lane) 45 Comment
  UC1594209  Lasthenia burkei L. Huntington 1990-4-4 252 Sonoma 1100' e of sharp bend in Lytton Station Rd.; Lytton area 51 Comment
  CAS-BOT-BC385627  Lasthenia californica A. A. Heller; H. E. Brown 1902-4-11 5270 Sonoma Bodega Bay Comment
  JEPS1129021  Lasthenia californica Dean W. Taylor 1994-5-4 14217 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road 249 Comment
  UC174195  Lasthenia californica subsp. californica Katharine Brandegee 1905-6-1 Sonoma between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC355524  Lasthenia glaberrima Peter Rubtzoff 1958-5-10 3654 Sonoma Laguna de Santa Rosa north of Cunningham (near Todd Road) Comment
  CAS-BOT-BC355532  Lasthenia glaberrima Peter Rubtzoff 1969-5-24 6054 Sonoma 6.5 mi. NE of Penngrove, on Lichan Road 426 Comment
  CDA34808  Lasthenia gracilis Peter Warner 2010-5-2 154 Sonoma Jenner Headlands, ~100 m 330 deg. N of residence cabin on Willig Extension Dr., in Tank Field. Comment
  CAS-BOT-BC370852  Lasthenia minor John Thomas Howell 1931-4-18 6420 Sonoma mouth of Salmon Creek, 2 miles n. of Bay Comment
  RSA32729  Lasthenia minor A. A. Heller 1938-5-14 15080 Sonoma On the bluff N of the town of Bay, Bodega Bay. Comment
  RSA8459  Lasthenia minor Roxana S. Ferris 1932-5-27 8256 Sonoma Northern end of Bodega Bay. Comment
  UCD166069  Lathyrus Peter Rubtzoff 1971-5-30 6467 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  UCD166103  Lathyrus Peter Rubtzoff 1971-9-1 6672 Sonoma Spring Creek Reservoir area east of Santa Rosa. Comment
  UCD150835  Lathyrus hirsutus Ayzik Solomescsh 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, north of city of Rohnert Park. East of Hwy 101 and south of Horn Ave. Elevation estimated from Google Earth by label maker. 30 Comment
  UCD106227  Lathyrus hirsutus Frederica Bowcutt 1996-5-24 2164 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
  CAS-BOT-BC376424  Lathyrus sphaericus Greg de Nevers 1993-4-26 10404 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Road by Mountain House entrance. 400 Comment
  NY15643  Lathyrus venosus var. californicus J. Torrey 1865-1 Sonoma Sonoma Valley Comment
  UCD167636  Lathyrus vestitus James A. Neilson Jr. 1977-3-7 3845 Sonoma Mayacmas Mountains. Hwy 29, 2 miles south from summit at R. L. Stevenson State Park. (Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA0060113  Lathyrus vestitus Greg de Nevers 1998-3-14 11147 Sonoma Duncans Landing beach, north of Bodega Bay. Comment
  UCD166126  Layia Peter Rubtzoff 1969-5-3 6010 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  UC913069  Layia chrysanthemoides David D. Keck 1933-5-28 2320 Sonoma 3.4 mi e Shellville (just e of intersection of Sonoma Road) Comment
  SEINET7545196  Layia chrysanthemoides subsp. maritima J. Clausen 1935-1 1090 Sonoma 6.2 miles S of Jenner, coastal bluffs at a little bay Comment
  UC185672  Layia platyglossa Katharine Brandegee 1905-6-1 Sonoma Bodega 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
  RSA0001366  Layia platyglossa Jens Clausen 1935-5-24 1094 Sonoma 6.5 miles S. of Jenner. Comment
  CAS-BOT-BC329306  Layia septentrionalis Lawrence Beane 1949-5-11 281 Sonoma 2 miles N of Cloverdale Comment
  CAS-BOT-BC210113  Leersia Peter Rubtzoff 1973-9-4 7298 Sonoma Russain River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CAS-BOT-BC274364  Leersia oryzoides Greg de Nevers 1995-10-1 10775 Sonoma Russian River near Mirabel Road 91 Comment
  UC688868  Leersia oryzoides Freed Hoffman 1943-10-26 5 Sonoma near Guerneville (Russian River); Russian River Comment
  RSA785224  Lemna Peter Rubtzoff 1969-5-11 6049 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  UCD166260  Lemna Peter Rubtzoff 1970-8-18 6320 Sonoma 5 miles north of Sear Point. 11 Comment
  UCR244607  Lemna gibba Peter Rubtzoff 1969-7-5 6106 Sonoma Pond 5.25 mi northeast of Penngrove near Lichau Road 427 Comment
  CAS-BOT-BC534366  Lemna minor Greg de Nevers 1995-4-5 10712 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  UCR255073  Lemna minor Peter Rubtzoff 1961-9-20 4751 Sonoma Bodega Head Marsh 6 Comment
  CAS-BOT-BC339166  Leontodon saxatilis subsp. saxatilis Peter Rubtzoff 1951-7-21 501 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower marshes Comment
  UC1784119  Lepechinia calycina Ethel Crum 1930-7-13 815 Sonoma Mt. St. Helena, S shoulder Comment
  UCD161377  Lepechinia calycina James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Crest of ridge between Squaw Creek and Big Sulphur Creek. (Elevation and exact location estimated by label maker.) 731 Comment
  RSA201201  Lepidium latifolium Walter Knight 1963-8-9 s.n. Sonoma Petaluma city limits sign on hwy to Lakeville. Comment
  CAS-BOT-BC12658  Lepidium nitidum A. A. Heller; H. E. Brown 1902-3-12 5048 Sonoma Sonoma Creek, eastern base of Mount Hood. Comment
  RSA0022357  Leptochloa Peter Rubtzoff 1965-8-16 5598 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  POM179768  Leptosiphon androsaceus J. T. Howell 1930-6-8 5254 Sonoma 1 mile east of Bodega Bay Comment
  RSA0063629  Leptosiphon androsaceus A. A. Heller, H. E. Brown 1902-4-2 5199 Sonoma Hills Northeast of Santa Rosa. Comment
  CAS-BOT-BC226702  Leptosiphon jepsonii G. DeNevers 1981-5-15 1205 Sonoma Pepperwood Ranch. Grazed shore of Hansel's Lake Comment
  UCR261617  Leptosiphon latisectus Ann Howald 2003-3-8 2274 Sonoma Inner North Coast Ranges, Mayacamas Mountains, Sugarloaf Ridge State Park, McCormick Addition, c. 0.1 mile east of intersection of Headwaters Trail and Grandmother Oaks Trail 450 Comment
  CAS-BOT-BC376245  Leptosiphon parviflorus Greg de Nevers 1992-4-28 10118 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  JEPS88031  Lessingia arachnoidea S. Markos 1996-6-29 114 Sonoma 2 mi N of on Bohemian Hwy Camp Meeker Comment
  CAS-BOT-BC324192  Lessingia hololeuca W. R. Dudley 1893-9-9 s.n. Sonoma near mouth of Russian River Comment
  JEPS128237  Lessingia ramulosa Roger Raiche 2000-8-18 145 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC88007  Lessingia ramulosa W. E. Bryant July 1887 Sonoma Healdsburg Comment
  CAS-BOT-BC342000  Lessingia ramulosa John Thomas Howell No date on label 2250 Sonoma SE. of Santa Rosa Comment
  RSA796226  Leucanthemum vulgare Peter Rubtzoff 1970-9-3 6369 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UCD92457  Leymus X multiflorus P. G. Connors 1992-7-22 297 Sonoma Bodega Head and Dunes. Comment
  UCD166467  Leymus triticoides Peter Rubtzoff 1956-9-22 2941 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC371401  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 400 Comment
  UC32501  Ligusticum apiifolium W. C. Blasdale 1894-6-8 Sonoma Kenwood Comment
  OBI81570  Ligusticum apiifolium Tracey Call, Viola Call 1961-6-10 2070 Sonoma 1 mile north of Kruse Rhododendron State Park. 61 Comment
  JEPS86739  Lilaea scilloides Jack and Betty Guggolz 1990-4-4 1024 Sonoma w of Paradise Lane (s of Piner Road) 30 Comment
  CAS-BOT-BC451693  Lilaea scilloides Peter Rubtzoff 1951-8-5 606 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC451716  Lilaea scilloides Walter Knight; Irja Knight 1967-5-1 2062 Sonoma 2 mi. W. of Graton on Graton Road. Comment
  RSA176796  Lilaea scilloides Peter H. Raven 1963-4-12 18162 Sonoma Along U. S. 101 just south of Asti. Comment
  SEINET12050381  Lilium maritimum F. H. Utech 1988-1 88 -218 Sonoma Salt Point, along CA 1 between Tenner & Stewart's Point, mile marker 38.39 75 Comment
  UC942861  Limnanthes alba Lewis S. Rose 1951-5-17 51007 Sonoma hills w Agua Caliente 91 Comment
  JEPS19605  Limnanthes douglasii W. L. Jepson 1914-4-11 5804 Sonoma Sonoma Valley 35 Comment
  POM126412  Limnanthes douglasii subsp. douglasii I. J. Condit 1913-3-7 s.n. Sonoma Petaluma Comment
  UC796464  Limnanthes douglasii subsp. nivea Ira L. Wiggins 1949-4-30 12064 Sonoma four mi w Calistoga Comment
  RSA52724  Limnanthes douglasii subsp. nivea I. L. Wiggins 1949-4-30 12064 Sonoma 4 miles W of Calistoga Comment
  CAS-BOT-BC45945  Limnanthes vinculans Peter Rubtzoff 1958-5-10 3643 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Road). Comment
  JEPS83497  Limnanthes vinculans Jack and Betty Guggolz 1985-4-29 700 BG Sonoma Draper Horse Ranch; duck pond Comment
  RSA215944  Limnanthes vinculans Peter Rubtzoff 1966-5-29 5726 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road) Comment
  UC1042568  Limnanthes vinculans Mrs. A. E. Alexander 1946-4-23 Sonoma between Bodega and Petaluma Comment
  UCD165771  Limosella Peter Rubtzoff 1973-8-27 7271 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC251274  Limosella Peter Rubtzoff 1966-5-7 5721 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  UCR279858  Limosella acaulis Peter Rubtzoff 1966-4-17 5675 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  RSA800896  Limosella acaulis Peter Rubtzoff 1970-8-18 6310 Sonoma Five miles north of Sears Point. Comment
  UC908797  Linanthus androsaceus Herbert L. Mason 1928-4-8 4289 Sonoma 2 mi n Fort Ross Comment
  UC908783  Linanthus jepsonii Herbert L. Mason 1928-4-13 4337 Sonoma Reibli School Comment
  POM298415  Linum angustifolium H. C. Cantelow 1941-6-7 s.n. Sonoma 5-1/2 miles south of Bay, State Hwy. 1. Comment
  SEINET12186107  Linum bienne W. Knight, Knight, W. 1984-1 5116 Sonoma Parking lot median strip, Gualala Point Regional Park Comment
  CHSC114678  Linum trigynum Peter Warner 2010-5-16 167 Sonoma Jenner Headlands, Knoll Field, 203m, s244 deg. W of residence house, on S-facing slope of knoll in coastal grassland. UTM 10S: 489308E, 4256990N 230 Comment
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May 27 2016
  UC72504  Lithocarpus densiflorus Milo S. Baker 1904-6-19 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC36013  Lithocarpus densiflorus var. densiflorus Peter Rubtzoff 1953-5-17 1388 Sonoma South of Guerneville (Neeley Hill area) Comment
  POM188332  Lithocarpus densiflorus var. densiflorus Marcus E. Jones 1931-7-5 28839 Sonoma Cloverdale Comment
  RSA476678  Lithocarpus densiflorus var. densiflorus Christopher Davidson 1977-6-17 5874 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  UC858177  Lithophragma heterophyllum Alice Eastwood 1918-5-1 6814 Sonoma Mt. St. Helena Comment
  UCD102729  Lithophragma heterophyllum S. P. Lynch 1974-3-14 392 Sonoma 6 mi. W of Callistoga on 128. Comment
  CAS-BOT-BC342497  Logfia gallica G. DeNevers 1981-5-15 1192 Sonoma Pepperwood Ranch. Ridgetop W of Garrison House, beneath the high power electric lines Comment
  CAS-BOT-BC283288  Lolium multiflorum Peter Rubtzoff 1951-7-7 380 Sonoma Pitkin Marsh, near Forestville. E branch of the Upper Marsh Comment
  CAS-BOT-BC283294  Lolium multiflorum David L. Morgan 1956-5-13 s.n. Sonoma 3 miles W of Petaluma on I St. Ext. Comment
  UCD66009  Lolium multiflorum James Holleman 1959-5-12 Sonoma 1 mile west of Duncan Mills. Comment
  UCSC000076  Lolium multiflorum H. S. Yates 1937-5-30 6551 Sonoma 1.5 miles E. of Occidental - Sebastopol 91 Comment
  SEINET11690140  Lolium multiflorum J. T. Howell, Knight, W.; Knight, I. 1987-1 6310 Sonoma Todd Road Preserve 24 Comment
  SEINET7042400  Lolium multiflorum A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UCD66201  Lolium multiflorum Collector Unknown 1941-3-1 Sonoma Fremont School, Santa Rosa. Comment
  RSA121238  Lolium perenne subsp. multiflorum H. S. Yates 1937-5-30 6552 Sonoma 1.5 miles E. of Occidental. 91 Comment
  SBBG26774  Lomatium caruifolium L. Constance, R. C. Rollins 1942-5-10 Sonoma 4 mi N of Geyserville 60 Comment
  SEINET12121702  Lomatium dasycarpum W. Knight, Knight, I.; Edwards, S. 1986-1 5371 Sonoma along trail to summit of Geyer Peak, access from Healdsburg-Geysers Rd 856 Comment
  UC1348909  Lomatium repostum Robert F. Thorne 1965-4-20 34326 Sonoma ca. 2 1/2 mi N of Santa Rosa (1 mi N of Sonoma Co. Hosp., Parker Hill Rd.) 106 Comment
  UCD73920  Lomatium repostum G. Ledyard Stebbins 1966-5-1 6390 Sonoma Rincon Ridge, Chanate Road, 1/4 mile west of Montecito. Comment
  POM132577  Lomatium vaginatum A. A. Heller, H. E. Brown 1902-4-2 5198 Sonoma Hills northeast of Santa Rosa Comment
  CAS-BOT-BC240647  Lonicera hispidula A. A. Heller 1902-6-26 5767 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC293682  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rohnert Park., creek bed west of Commrece Blvd. crossing. Comment
  CAS-BOT-BC304423  Lotus Peter Rubtzoff 1970-5-16 6226 Sonoma Five miles north of Sears Point. Comment
  RSA620426  Lotus formosissimus Peter Rubtzoff 1966-4-30 5688 Sonoma North side of Highway 116, 0.5 mile northwest of Stony Point Road crossing. Comment
  UC15585  Lotus formosissimus Harley P. Chandler 1900-5-25 674 Sonoma Bodega Comment
  RSA177938  Lotus humistratus Robert F. Thorne 1965-4-20 34336 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  RSA177971  Lotus micranthus Robert F. Thorne 1965-4-20 34349 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  UC15595  Lotus scoparius Miss Alice King Jun 1897 Sonoma Healdsburg Comment
  UC726027  Lotus wrangelianus A. A. Heller 1938-5-14 15079 Sonoma n of Bodega Bay Comment
  UCD66023  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 50 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UCD66026  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 51 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  CAS-BOT-BC261647  Ludwigia palustris Peter Rubtzoff 1961-9-6 4738 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  RSA800127  Ludwigia palustris Peter Rubtzoff 1972-6-27 6793 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC157963  Ludwigia peploides Peter Rubtzoff 1955-8-28 2110 Sonoma Forestville Marsh Comment
  CAS-BOT-BC157979  Ludwigia peploides Peter Rubtzoff 1958-9-6 3969 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road) Comment
  CDA36944  Lupinus adsurgens CDFA Staff 2008-1 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  CAS-BOT-BC195974  Lupinus albifrons var. albifrons Alice Eastwood 1893-4-27 s.n. Sonoma Hood Mt. Comment
  UC725889  Lupinus albifrons var. albifrons A. A. Heller 1940-5-17 15632 Sonoma about 2 mi e Bodega Bay; e of Bodega Bay Comment
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Jan 27 2007
  UCD106637  Lupinus arboreus P. B. Kennedy Date Unknown 1 Sonoma Del Mar. Comment
  UC865102  Lupinus chamissonis Alice Eastwood, John Thomas Howell 1939-4-2 7375 Sonoma Russian River Canyon near Monte Rio; Russian River Canyon near Monte Rio Comment
  SEINET10485216  Lupinus densiflorus Joseph W. Congdon 1880-5-11 Congdon UMO 42456 Sonoma Santa rosa. Comment
  POM253151  Lupinus densiflorus var. densiflorus A. A. Heller 1938-5-14 15092 Sonoma Hills between Petaluma and Napa. Comment
  CDA36829  Lupinus latifolius 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
  SEINET12164395  Lupinus latifolius F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -084 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  UC201959  Lupinus littoralis Milo S. Baker 1899-6-27 Sonoma Coast road near Bodega Bay; Coast Road near Bodega Bay Comment
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Apr 13 2007
  UC865303  Lupinus littoralis W. Bridge Cooke 1942-7-5 16355 Sonoma along State Route 1 near Jenner; near Jenner Comment
  CDA27500  Lupinus microcarpus var. densiflorus T. C. Fuller 1966-6-2 14858 Sonoma East side of Pacific Coast Highway 1, 0.2 mile south of junction with Petaluma-Valley Ford Road, 1 mile east of Valley Ford. 0 Comment
  SDSU5019  Lupinus microcarpus var. microcarpus D. F. Howe 1962-5-24 3317 Sonoma Bodega Bay. Comment
  UC1084473  Lupinus microcarpus var. microcarpus G. Thomas Robbins 1937-6-6 239 Sonoma along roadside near Bodega Bay; near Bodega Bay Comment
  UCD108932  Lupinus nanus Frederica Bowcutt 1996-3-24 2083 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 SSE of Red Mountain. Near large rock outcrop/Vista Rock along Vista Trail. 563 Comment
  HSC49398  Lupinus nanus subsp. latifolius R. York 1979-4-8 205 Sonoma Along Hwy. 128, 1 mi. N of Calistoga 366 Comment
  CDA9233  Lupinus polyphyllus var. polyphyllus D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC376259  Lupinus sericatus Greg de Nevers 1996-5-31 10821 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Oak Hill Ranch, Devil's Kitchen 487 Comment
  JEPS83488  Lupinus sericatus Jack and Betty Guggolz 1986-4-23 864 Sonoma on a w-facing steep bank on the Kelly Road 0.2 mi w of the junction with Rockpile Road Comment
  UCD109522  Lupinus sericatus Roger Raiche 1984-3-25 RR 40074 Sonoma Kelly Road just west of its intersection with Rockpile Road. 609 Comment
  CAS-BOT-BC202172  Lupinus tidestromii Catherine Best 1980-9-18 s.n. Sonoma On the south side of the mouth of the Russian River Comment
  RSA22011  Lupinus variicolor Alice Eastwood, John T. Howell 1939-4-2 7362 A Sonoma Larkspur Rock Comment
  UCD160116  Luzula James A. Neilson Jr. 1973-6-3 2973 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  RSA52692  Luzula comosa I. L. Wiggins 1949-4-30 12063 Sonoma 6.8 miles east of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC436731  Luzula comosa var. comosa Alice Eastwood 1915-1-1 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC441391  Luzula subsessilis G. DeNevers 1981-5-9 1102 Sonoma Pepperwood Ranch: south of Redwood Canyon Comment
  CAS-BOT-BC441389  Luzula subsessilis John H. Thomas 1976-6-15 18315 Sonoma Southern end of the Sea Ranch, NW part of county, about 7 miles S of Gualala 30 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
  RSA0015992  Lythrum hyssopifolia A. A. Heller 1902-6-7 5656 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC344039  Madia elegans David D. Keck 1933-11-6 2646 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  CAS-BOT-BC344042  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi. N. of Occidental Comment
  CAS-BOT-BC344050  Madia elegans John Thomas Howell 1930-7-13 5341 Sonoma Black Point Road Comment
  UCD132769  Madia elegans Frederica Bowcutt 1994-6-12 1869 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 Pony Gate Trail above Adobe Canyon Road (road visible from trail.) Less than 1/8 mile SW of trail juncture with Pony Gate Gulch Creek. 326 Comment
  CAS-BOT-BC344548  Madia exigua F. H. Utech; W. Knight; I. Knight 1986-5-17 86 -230 Sonoma End of Stoetz Road 310 Comment
  SEINET11807610  Madia exigua F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -230 Sonoma end of Stoetz Road 310 Comment
  CAS-BOT-BC343450  Madia gracilis Alice Eastwood; John Thomas Howell 1938-5-15 5509 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC343451  Madia gracilis John Thomas Howell 1937-7-4 13065 Sonoma Near Petrified Forest Comment
  UCR218636  Madia gracilis George K. Helmkamp, E. A. Helmkamp 2010-6-4 16225 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  CAS-BOT-BC343467  Madia gracilis G. DeNevers 1981-5-30 1341 Sonoma Pepperwood Ranch. In creekbed N of Hansel's corral Comment
  SEINET11810612  Madia gracilis Unknown 1936-1 13111 Sonoma near Healdsburg Comment
  POM53609  Madia gracilis subsp. gracilis Michener, F. T. Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  CDA8260  Madia madioides G. D. Barbe 1982-5-27 3620 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment
  CAS-BOT-BC345261  Madia sativa David D. Keck 1933-11-6 2645 Sonoma 1 mi. N. of Freestone on road to Occidental Comment
  POM56169  Madia sativa A. A. Heller 1902-6-10 5683 Sonoma Santa Rosa Comment
  UC75904  Madia sativa Miss M. Alice King June 1897 Sonoma near Healdsburg Comment
  CAS-BOT-BC345257  Madia sativa H. D. Ripley; R. C. Barneby 1945-6-22 6942 Sonoma North of Jenner 30 Comment
  POM225355  Madia sativa J. T. Howell 1932-9-18 10765 Sonoma South base of Mt. Hood, on Sonoma Creek Comment
  UCD139078  Maianthemum racemosum M. Wiesendanger 1927-5-5 724 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC368076  Maianthemum stellatum Greg de Nevers 1998-4-27 11202 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  JEPS112784  Malacothrix floccifera Dean W. Taylor 1994-5-4 14223 Sonoma ca. 1.8 mi N of Camp Meeker along Bohemian Highway; Dutch Bill Creek drainage just downstream from confluence with Duvol Creek 76 Comment
  HSC7018  Marah fabacea F. Demostene 1966-4-1 3 Sonoma 2 mi. E of Healdsburg Comment
  UCD107560  Marah oregana M. Wiesendanger 1927-5-5 726 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC348220  Matricaria discoidea D. E. Breedlove 1980-6-28 44807 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC348221  Matricaria discoidea G. DeNevers 1981-6-8 1506 Sonoma Pepperwood Ranch. In Pippindale Garden Comment
  UCD134575  Matricaria discoidea Caitlin Lewis; William Mutch 1993-4-17 9 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain 1 mile. Near visitor center; Sonoma Creek. 365 Comment
  RSA264723  Matricaria occidentalis Peter Rubtzoff 1974-5-19 7446 Sonoma Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville roads. Comment
  JEPS46174  Meconella californica Eleanor Armstrong 1933-4-15 741 Sonoma Bodega Hill Comment
  CAS-BOT-BC268063  Medicago Peter Rubtzoff 1973-8-21 7246 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  CAS-BOT-BC268100  Medicago Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7804 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC269513  Melica californica Peter Rubtzoff 1952-6-3 1147 Sonoma South slopes of Fitch Mtn., near Healdsbrug [Healdsburg] Comment
  POM204781  Melica californica A. A. Heller 1902-4-23 5351 Sonoma Near Sonoma. Comment
  UCD151224  Melica californica James A. Neilson Jr. 1974-5-17 2977 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, along road to PG and E geothermal units 9 and 10, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1005 Comment
  SEINET10926810  Melica californica A. Arthur Heller 1902-4-4 Heller 5315 Sonoma Hills near Santa Rosa. Comment
  CAS-BOT-BC281277  Melica geyeri G. DeNevers 1981-5-14 1149 Sonoma Pepperwood Ranch. W arm of Garrison Canyon Comment
  UCD36303  Melica geyeri Beecher Crampton 1953-5-19 1299 Sonoma Sonoma County, 5 miles west of Calistoga, on Highway 128, at Napa County line. Comment
  CAS-BOT-BC281280  Melica geyeri David L. Morgan 1961-4-17 s.n. Sonoma On Bohemian Highway, 3 miles N of Occidental Comment
  CAS-BOT-BC281281  Melica geyeri David L. Morgan 1961-4-17 s.n. Sonoma On Tomales Rd, 2 miles SW of Tomales Comment
  UC971700  Melica geyeri Leo Koch 1940-4-24 843 Sonoma 1 mi n of 2.5 mi jct from Kenwood and Glen Ellen Glen Ellen; Bennett Valley Comment
  UCD87554  Melica harfordii R. Tofsrud 1947-6-18 190 Sonoma Armstrong Grove. Comment
  UC767146  Melica subulata R. F. Hoover 1941-5-14 5078 Sonoma 3 mi s Monte Rio (on road to Camp Meeker) Comment
  UCD151137  Melica subulata James A. Neilson Jr. 1973-6-6 2962 Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  CAS-BOT-BC262559  Melica torreyana Peter H. Raven 1950-4-23 1889 Sonoma Sobre Vista 152 Comment
  CAS-BOT-BC268072  Melilotus indicus Peter Rubtzoff 1971-8-20 6640 Sonoma 5 miles north of Sears Point. Comment
  SEINET12165192  Melilotus indicus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -163 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 120 Comment
  CAS-BOT-BC376288  Mentha Greg de Nevers 1992-6-26 10197 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CAS-BOT-BC157655  Mentha Peter Rubtzoff 1965-8-29 5627 Sonoma Russian River bottom at Forest Hills (5.5 mi. E of Guerneville). Comment
  UCD148406  Mentha canadensis Peter Rubtzoff 1958-8-16 3882 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  RSA785664  Mentha pulegium Peter Rubtzoff 1955-9-24 2157 Sonoma Guerneville Marsh. Comment
  RSA785665  Mentha pulegium Peter Rubtzoff 1962-8-22 5034 Sonoma Bodega Bay Marsh. Comment
  UCD125170  Mentha pulegium Frederica Bowcutt 1995-11-7 2059 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air miles south of Red Mountain. In Sonoma Creek. Off of Bald Mountain Road near western trailhead for Vistra Trail. 548 Comment
  UCD148376  Mentha pulegium Peter Rubtzoff 1955-9-24 2157 Sonoma Guerneville Marsh. Comment
  RSA785149  Mentha rotundifolia Peter Rubtzoff 1973-8-28 7276 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC164704  Mentha spicata Peter Rubtzoff 1954-9-6 1740 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC166681  Mentha spicata Peter Rubtzoff 1968-7-20 5924 Sonoma Upper Salmon Creek Marsh. Comment
  CAS-BOT-BC428954  Micranthes californica G. DeNevers 1981-3-14 547 Sonoma Pepperwood Ranch. Pippindale farm, 7 mi. NE of Santa Rosa, near Mark West lodge. In the 1st E fork of the N fork Comment
  UC1070000  Micropus californicus var. californicus H. S. Yates 1934-4-22 3844 Sonoma 2 mi s Mark West; Calistoga Quadrangle 152 Comment
  UC581112  Micropus californicus var. californicus H. L. Mason 1934-4-28 8077 Sonoma head Dohrmann Creek; Jensen's Ranch Comment
  RSA52653  Micropus californicus var. californicus I. L. Wiggins 1949-4-30 12069 Sonoma 4 miles W of Calistoga, just W of country line. Comment
  CAS-BOT-BC348733  Microseris bigelovii John H. Thomas 1976-6-16 18255 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC348856  Microseris douglasii subsp. douglasii Greg de Nevers 1993-4-11 10366 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  CAS-BOT-BC322708  Microseris laciniata John Thomas Howell 1937-7-4 13081 Sonoma 4 miles west of Santa Rosa Comment
  SDSU4773  Microseris paludosa D. F. Howe 1963-7-3 3592 Sonoma 20 miles north of junction with #12 on #1. Comment
  UCD118900  Microsteris gracilis Botany 102 Students 1993-4-24 92 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail. 411 Comment
  UCD118901  Microsteris gracilis Frederica Bowcutt 1994-5-21 1833 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles NW of Napa, 1.5 air miles NE of Kenwood. Along the Hillside Trail 1/2 mile. 396 Comment
  CAS-BOT-BC312699  Mimulus Peter Rubtzoff 1960-6-9 4486 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC311868  Mimulus Peter Rubtzoff 1954-9-4 1729 Sonoma Bodega Head Marsh. Comment
  RSA0025390  Mimulus Peter Rubtzoff 1962-6-19 4918 Sonoma Occidental Marsh. Comment
  JEPS76921  Mimulus aurantiacus Robert M. Lloyd 1963-2-24 2057 Sonoma 4 mi s State Highway 12 (above State Highway 1) 15 Comment
  JEPS87263  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-5 1113 Sonoma n Boyes Hot Springs (0.6 mi e of Hwy. 12 along Cavedale Road) 160 Comment
  UC885691  Mimulus aurantiacus var. aurantiacus Lewis S. Rose 1941-5-22 41249 Sonoma 4 mi e Santa Rosa; Rincon Ridge 121 Comment
  CDA15996  Mimulus cardinalis G. F. Hrusa, M. Gillogly 2000-7-26 15676 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Comment
  UCD101290  Mimulus cardinalis Daniel Sanchez-Mata; Tomas Santamaria 2008-7-13 s.n. Sonoma Healdsburg. Pine Flat Road from Road 128. Red Hill. Audubon Sanctuary. 450 Comment
  POM5080  Mimulus cardinalis Michener, Bioletti 1893-06 s.n. Sonoma Adobe Canyon Comment
  RSA0040389  Mimulus guttatus Peter Rubtzoff 1954-7-29 1606 Sonoma Gerneville Marsh. Comment
  RSA54059  Mimulus guttatus J. T. Howell 1948-4-18 24213 Sonoma Hills east of Agua Caliente. Comment
  OBI47583  Mimulus guttatus L. F. LaPre 1986-6-3 s.n. Sonoma Dorr Place, 4 mi up a privated rd from Mannings flats in Austin Crk State Recreation Area, 6 mi N of Cazadero on upper Austin Crk. Cazadero Quad 207 Comment
  UCD160963  Mimulus layneae James A. Neilson Jr. 1975-7-8 3376 Sonoma Mayacmas Ridge. Near U.S. Geothermal 2, 1/2 mile south of Socrates Mine Road. (Elevation and coordinates estimated by label maker.) 914 Comment
  UC1042504  Mimulus microphyllus Peter Rubtzoff 1951-6-2 104 Sonoma near Forestville (w branch of marsh); Pitkin Marsh Comment
  UCD122796  Mimulus moschatus Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 96 A Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA550574  Mimulus tricolor Peter Rubtzoff, H. A. Froebe 1971-5-30 6482 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Rd. Comment
  HSC4089  Minuartia douglasii H. E. Parks, S. T. Parks 1930-5-10 851 Sonoma Knights Valley 152 Comment
  UCD160304  Minuartia douglasii James A. Neilson Jr. 1975-5-22 3221 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 mi. west of Whispering Pines, State Highway 175. (Elevation estimated by label maker using Google Earth.) 1127 Comment
  CAS-BOT-BC388894  Minuartia douglasii G. DeNevers 1982-5-2 1975 Sonoma Pepperwood Ranch. On banks of Hansel's Lake Comment
  JEPS42868  Mollugo verticillata Milo S. Baker 1923-8-26 441 Sonoma Russian River near Geyserville; Russian River Comment
  JEPS42871  Mollugo verticillata Alice King Oct. 1896 Sonoma Russian River, Healdsburg Russian River; , Healdsburg Comment
  POM70494  Monardella odoratissima Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan s Mills Comment
  UC2035939  Monardella purpurea Robert F. Hoover 1938-6-14 3609 Sonoma 3 miles west of Graton on road to Occidental Comment
  CHSC67999  Monardella villosa subsp. franciscana Jack Guggolz 1991-6-19 1194 Sonoma About 1/8 mile from the ocean and 1/2 mile south of the intersection of the Meyers Grade and Hwy 1. 182 Comment
  CAS-BOT-BC314179  Monardella villosa subsp. villosa Ella Dales Cantelow 1941-6-7 3706 Sonoma 3.2 mi N of Jenner. State Hwy 1. Comment
  RSA408692  Monardella villosa subsp. villosa Christopher Davidson 1977-6-20 6028 Sonoma Dry Creek Road 16.2 miles west of Geyserville. 229 Comment
  CAS-BOT-BC220699  Monardella viridis Milo S. Baker 1934-6-20 7654 Sonoma Youngman Ranch 2 1/2 mi N.E. of Glen Ellen Comment
  CAS-BOT-BC444989  Montia fontana John Thomas Howell 1949-4-6 25301 Sonoma SW. of Sonoma Comment
  CAS-BOT-BC444995  Montia fontana Greg de Nevers 1993-3-7 10320 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 304 Comment
  CAS-BOT-BC445007  Montia fontana Peter Rubtzoff 1962-4-11 4791 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC444990  Montia fontana Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane 2 mi. north east of Occidental Comment
  CAS-BOT-BC444991  Montia fontana Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane 2 mi. north east of Occidental Comment
  UCD110293  Morella californica Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-29 091 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  POM161366  Muilla maritima Rimo C. Bacigalupi 1252 Sonoma Opposite Myrtledale Geyser. 1.5 miles north of Calistoga. Comment
  RSA800350  Myosurus Peter Rubtzoff 1966-4-17 5681 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  RSA800351  Myosurus Peter Rubtzoff 1966-5-7 5703 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC101797  Myrica californica Lewis S. Rose 1962-4-11 62017 Sonoma Laguna de Santa Rosa 1/2 mi. e. of Cunningham 15 Comment
  UCR279604  Myriophyllum aquaticum Peter Rubtzoff 1963-7-6 5195 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road) 31 Comment
  UCD166304  Myriophyllum hippuroides Peter Rubtzoff 1966-8-21 5797 Sonoma Atascadero Creek Marsh. 29 Comment
  CAS-BOT-BC251162  Myriophyllum hippuroides Peter Rubtzoff 1966-8-26 5813 Sonoma Atascadero Creek Marsh. Comment
  RSA800337  Myriophyllum hippuroides Peter Rubtzoff 1966-8-26 5713 Sonoma Atascadero Creek Marsh Comment
  UC729998  Nassella cernua Leo F. Koch 1940-4-24 844 Sonoma roadside n junction 2 1/2 miles from Kenwood and Glen Ellen; Bennett Valley Comment
  CAS-BOT-BC260077  Nassella lepida G. DeNevers 1981-5-15 1165 Sonoma Pepperwood Ranch, in N arm of Garrison Canyon Comment
  UCD87822  Nassella lepida Beecher Crampton 1955-6-17 2952 Sonoma 4.5 miles S of Cazadero. Comment
  POM207022  Nassella pulchra A. A. Heller 1902-4-23 5350 Sonoma Near Sonoma. Comment
  UC1133201  Nassella pulchra H. S. Yates 1934-4-21 3832 Sonoma 2 mi n County Farm; Santa Rosa Quadrangle Comment
  CAS-BOT-BC479713  Navarretia cotulifolia Ann Howald 2003-5-15 2334 A Sonoma Inner North Coast Ranges: Sonoma Mountains, S end, lower E slope, c. 0.2 mi SE of intersection of Lewis Creek and Felder Creek 151 Comment
  POM65215  Navarretia cotulifolia A. A. Heller 1902-6-4 s.n. Sonoma Santa Rosa. Comment
  CDA390  Navarretia heterodoxa D. G. Kelch 2003-7-14 3 .38 Sonoma Cavedale Road. Comment
  UC188486  Navarretia heterodoxa Edw. L. Greene 1888-8-31 Sonoma Petrified Forest Comment
  UCR265547  Navarretia intertexta Ann Howald, Christina Freeman 2015-6-1 3413 Sonoma Inner North Coast Ranges, Annadel State Park, Ledson Marsh, northwest corner, south of Marsh Trail 362 Comment
  JEPS43458  Navarretia leucocephala subsp. bakeri W. L. Jepson 1921-6-2 9302 Sonoma nw of Windsor (and just e of Calhoun ranch) Comment
  UC907821  Navarretia leucocephala subsp. bakeri Herbert L. Mason 1934-4-28 8094 Sonoma highway between Healdsburg and Santa Rosa Comment
  JEPS101636  Navarretia mellita Dean W. Taylor 1998-6-22 16681 Sonoma Geysers area, ca. 0.3 miles east along ridge from Eagle Rock Substation (ridge dividing Bear Canyon from Squaw Cr.) 792 Comment
  UC1008723  Navarretia pubescens Lewis S. Rose 1940-5-22 40371 Sonoma Sonoma 30 Comment
  CAS-BOT-BC232689  Navarretia pubescens G. DeNevers 1982-6-5 2043 Sonoma Pepperwood Ranch. In ditch along road below Strebel Comment
  SD38214  Navarretia squarrosa Edith A. Purer 1932-7-21 4043 Sonoma Bodega Bay, sandy bluff Comment
  CDA15294  Navarretia squarrosa P. Lane 1998-7-17 s.n. Sonoma North Coast Biodiversity Arena; on Lakeville Hwy near Petaluma. 0 Comment
  CDA38609  Navarretia squarrosa A. Smith & C. Morgan 2012-7-12 PDR# 1604317 Sonoma Vicinity of Annapolis. 0 Comment
  RSA98661  Navarretia squarrosa G. Thomas Robbins 1939-7-4 272 Sonoma Near Graton Comment
  HSC17152  Navarretia viscidula H. K. Sharsmith 1952-7-6 4178 Sonoma Stewart's Point Rd. 12.2 mi. W of Skagg's Springs 579 Comment
  POM311202  Navarretia viscidula H. K. Sharsmith 1952-7-6 4178 Sonoma Stewart's Point road 12.2 miles west of Skagg's Springs 579 Comment
  RSA94353  Navarretia viscidula Peter Rubtzoff 1951-7-21 523 Sonoma Pitkin Marsh near Forestville; dry ground bordering the Upper Marsh in the west Comment
  UC606893  Nemophila heterophylla L. Constance 1938-4-24 2151 Sonoma 2 mi ne Bodega (Salmon Creek); , ne of Bodega 91 Comment
  UC726893  Nemophila heterophylla A. A. Heller 1940-5-10 15606 Sonoma several mi e Gualala River (on the Stewart Point--Skagg's Springs Road); e of Gualala River, Stewart Point--Skagg's Springs Road Comment
  UC24242  Nemophila menziesii Milo S. Baker 1902-3-31 Sonoma Kenwood Comment
  HSC34933  Nemophila menziesii Thomas W. Nelson, MarJames Nelson 1975-3-25 1755 Sonoma Beside Hwy. 128 E of Geyserville Comment
  UCSB5331  Nemophila menziesii Robbins, G. 1940-3-21 Sonoma At junction of Pleasant Avenue Road and Chalk Hill Road; 2-3 miles southeast of Windsor 91 Comment
  UC606952  Nemophila menziesii var. atomaria L. Constance 1938-4-24 2158 Sonoma mouth of small canyon 0.5 mi s Fort Ross; s of Fort Ross 91 Comment
  UCD158879  Nemophila menziesii var. atomaria James A. Neilson Jr. 1975-3-27 s.n. Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 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-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
  UCR279605  Nicotiana acuminata Peter Rubtzoff 1961-6-7 4618 Sonoma Laguna de Santa Rosa, c. 1 mile SE of Trenton 30 Comment
  JEPS13900  Nicotiana acuminata var. multiflora W. L. Jepson 1914-9-19 6191 Sonoma Agua Caliente; Sonoma Valley 25 Comment
  UCR248360  Nicotiana acuminata var. multiflora Peter Rubtzoff 1986-9-29 9754 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  SD109448  Notholithocarpus densiflorus Jack Reveal 7/1981 2746 Sonoma near Annapolis 305 Comment
  RSA20410  Oenanthe sarmentosa Roxana S. Ferris 1937-8-18 9376 Sonoma mouth of Salmon Creek on Bodega Bay. Comment
  UCD158787  Orobanche fasciculata James A. Neilson Jr. 1974-6-1 2759 Sonoma Mayacmas Mountains, Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  CAS-BOT-BC500335  Orobanche uniflora subsp. occidentalis J. W. Congdon 1880-4-13 s.n. Sonoma Petaluma Comment
  RSA73964  Orthocarpus faucibarbatus Milo S. Baker 1952-4-23 12407 Sonoma Western outskirts of Sonoma along 5th St. Comment
  SEINET12270159  Orthocarpus faucibarbatus L. D. Thurman 1963-1 150 Sonoma 2 mi W of Valley Ford on State Hwy 1 Comment
  RSA31780  Orthocarpus lithospermoides A. A. Heller 1940-5-10 s.n. Sonoma Several miles east of Skagg's Springs. Comment
  UC1143151  Oxalis albicans subsp. pilosa H. S. Yates 1934-4-21 3825 Sonoma near Duncan Mills; Duncan Mills quad 60 Comment
  CHSC26016  Oxalis oregana William Larkin 1961-3-28 Sonoma Rio Nido; along canyon road leading to cabins. 30 Comment
  POM139491  Oxalis oregana A. A. Heller, H. E. Brown 1902-3-22 5131 Sonoma Among Redwood Trees W of Sebastopol Comment
  UC917114  Oxalis oregana R. H. Miller 1949-4-6 21 Sonoma ca 5 mi se Monte Rio (beside Hwy 12) Comment
  UCD160299  Packera eurycephala James A. Neilson Jr. 1975-5-17 3192 Sonoma West of State Highway 29, Robert Louis Stevenson State Park, 2/3 of the way to summit of Mt. St. Helena along road. (Exact location unknown. Elevation and coordinates estimated by label maker.) 1165 Comment
  CAS-BOT-BC227649  Panicum Peter Rubtzoff 1968-9-21 5977 Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD88194  Panicum acuminatum var. fasciculatum A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3585 Sonoma North facing slope in chapparral. 3 1/2 miles west of Occidental on road to Molino. Comment
  UCD88705  Panicum acuminatum var. fasciculatum P. B. Kennedy 1915-5-31 s.n. Sonoma Annapolis. Comment
  UCD32828  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 f Sonoma N.E. Sonoma County: The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.), steep banks along road to steam well. 493 Comment
  UCD89129  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7149 Sonoma North East part of county. 'The Geysers', Big Sulphur Creek. Comment
  SEINET11690288  Panicum capillare subsp. hillmanii I. Knight, Knight, W.; Howell, J. T. 1986-1 5854 Sonoma Penngrove, at edge of driveway to fire department entrance 18 Comment
  CAS-BOT-BC253797  Panicum hillmanii G. DeNevers 1981-6-27 1715 Sonoma Pepperwood Ranch. Below Walter Ward's house on Franz Valley Road, along Franz Valley Road Comment
  JEPS66219  Parentucellia viscosa T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6904 Sonoma s central Pitkin Marsh (near end of Templeton Road) Comment
  SEINET6794036 Image available Parentucellia viscosa Sally Walker 1983-1 Sonoma Joy Rd. - near Bodega Hwy Comment
  CAS-BOT-BC265691  Paspalum distichum Peter Rubtzoff 1951-7-14 432 Sonoma Southern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC265695  Paspalum distichum Peter Rubtzoff 1956-9-15 2900 Sonoma Atascadero Creek Marsh Comment
  SEINET11687492  Paspalum distichum W. Knight, Knight, I. 1985-1 5416 Sonoma near Sonoma on Norrbom Road Comment
  SEINET10919041  Passiflora Elizabeth M. McClintock 1977-4-17 McClintock s.n. Sonoma Western Hills Nursery, Occidental. Comment
  UC25019  Pectocarya penicillata H. N. Bolander 1864-1 3858 Sonoma Russian River Bed Comment
  CAS-BOT-BC371443  Pectocarya pusilla Greg de Nevers 1998-4-26 11195 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Silva's property, Devils Kitchen, in Section 6 400 Comment
  CHSC25106  Pedicularis densiflora Rodney W. Wallstrum 1970-3-3 12 Sonoma Located on N. E. side of Santa Rosa off Nielson Rd. Behind the community hospital 200 yds. on high ground. 243 Comment
  JEPS25514  Pedicularis densiflora Paul C. Hutchison 1961-2-5 882 Sonoma 2 mi e of Stewarts Point (along the South Fork of the Gualala River, on road from Stewarts Point to Healdsburg); Indian Rancheria, Gualala River 182 Comment
  CAS-BOT-BC257365  Pelargonium Peter Rubtzoff 1974-6-9 7585 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC71483  Pellaea mucronata Walter Knight; Irja Knight 1964-1-17 519 Sonoma Hooker Canyon, Cavedale Rd. Comment
  UC1238912  Penstemon heterophyllus var. heterophyllus Freed W. Hoffman 1947-8-4 1419 Sonoma Mt. St. Helena North Coast Ranges 609 Comment
  NY601731  Penstemon heterophyllus var. heterophyllus J. L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 miles south of Trinity Road and about 5 miles northeast of California Highway 12, about 13 airline miles southeast of Santa Rosa 640.1 Comment
  CAS-BOT-BC245713  Penstemon newberryi var. sonomensis Alice Eastwood 1915-6-6 4701 Sonoma Mt. St. Helena Comment
  SEINET8465052 Image available Pentagramma triangularis subsp. triangularis G. K. Helmkamp, E. A. Helmkamp 2010-6-5 16241 Sonoma North Coast Ranges: River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guemeville on slope above the Russian River 12 Comment
  RSA224288  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-9-16 5883 Sonoma Southern part of the Upper Marsh Comment
  JEPS120461  Perideridia gairdneri subsp. gairdneri Daniel Slakey 2013-8-11 63 Sonoma Salt Point State Park, along the Salt Point trail, about 0.4 mile north of Salt Point, along the coast. Comment
  CHSC101363  Perideridia kelloggii Holly Forbes; Barbara Keller 2007-10-26 UCBG- 10 Sonoma Ecoregion 15. Coleman Valley Road, 8.05 km west of junction with Bohemian Highway. 304 Comment
  OBI8817  Perideridia kelloggii Robert F. Hoover 1966-8-23 9917 Sonoma Mark West Creek, on Santa Rosa-Calistoga Rd near junction of St. Helena Rd. Comment
  UCD127637  Perideridia kelloggii Frederica Bowcutt 1997-7-19 2189 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.5 air mile SE of Red Mountain. Along Vista Traihead, just E. of Bald Mtn Trail and vernal pond. 579 Comment
  CAS-BOT-BC413644  Persicaria amphibia Peter Rubtzoff 1971-9-1 6674 Sonoma Spring Creek Reservoir area Comment
  CAS-BOT-BC413653  Persicaria amphibia Peter Rubtzoff 1958-8-23 3925 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Rd.) Comment
  CAS-BOT-BC418917  Persicaria hydropiperoides Peter Rubtzoff 1958-8-9 3859 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CAS-BOT-BC419112  Persicaria lapathifolia Peter Rubtzoff 1955-8-7 2030 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC419120  Persicaria lapathifolia Peter Rubtzoff 1956-9-14 2888 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC419121  Persicaria lapathifolia Peter Rubtzoff 1964-5-31 5328 Sonoma Fitch Mtn. Grove, 2 mi. east of Healdsburg Comment
  CAS-BOT-BC419290  Persicaria pensylvanica John Thomas Howell 1932-9-18 10778 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC419420  Persicaria punctata Peter Rubtzoff 1951-9-2 710 Sonoma Pitkin Marsh, near Forestville. North of the Lower Marsh Comment
  CAS-BOT-BC419421  Persicaria punctata Peter Rubtzoff 1952-10-26 1334 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  UCR179375  Petrorhagia nanteuilii Botany 102 students 1993-5-8 285 Sonoma Sugarloaf Ridge, About 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 eair miles NW of Napa. In Adobe Canyon N of Sugarloaf Ridge. Bald Mountain Trail less than 1 air mile south of Red Mountain, N of Sonoma Creek 488 Comment
  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
  UC923117  Phacelia Freed W. Hoffman 1950-5-24 3323 Sonoma trail from Gray Creek to The Island; North Coast Ranges Comment
  UC1047008  Phacelia californica L. R. Heckard and P. C. Silva 1952-4-14 219 Sonoma along state hwy 1 just s Goat Rock Comment
  UC753396  Phacelia californica Florence Signaigo and Thomas Morley 1946-5-19 129 Sonoma Vine Hill School rd 5-6 mi n Sebastopol 30 Comment
Read comments
Dec 30 2011
  JEPS128279  Phacelia distans Roger Raiche 2005-4-22 016 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC702988  Phacelia distans John Thomas Howell 1930-6-8 5250 Sonoma rocky slope 1 mi e Bodega Bay Comment
  UCD55067  Phacelia distans Ellen Dean; Tammie Beyerl 2006-4-28 3011 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  CAS-BOT-BC361355  Phacelia distans Greg de Nevers 1997-4-16 10943 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  JEPS28415  Phacelia nemoralis subsp. oregonensis L. R. Heckard 1951-6-12 H- 153 Sonoma along dirt road above Pine Flat ((road from Pine Flat to hwy 29 near Whispering Pines), about 8 airline mi ne of Geyserville) Comment
  CAS-BOT-BC154987  Phalaris Peter Rubtzoff; Nancy Harrison 1978-5-20 9175 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road (off N side of road, in Todd Road Wildflower Preserve). Comment
  CAS-BOT-BC258947  Phalaris aquatica G. DeNevers 1981-5-30 1404 Sonoma Pepperwood Ranch. 1st Canyons cutting EW on the E slope of Horse Hill Comment
  UCR248732  Phalaris aquatica Peter Rubtzoff 1968-6-25 5913 Sonoma Lichau Marsh [5 miles northeast of Penngrove on Lichau Road] 220 Comment
  RSA227231  Phalaris californica Peter Rubtzoff 1962-6-1 4859 Sonoma Freestone Marsh Comment
  UCD88995  Phalaris lemmonii John Thomas Howell 1947-6-5 23243 Sonoma 4 miles W of Santa Rosa. Near Wright School. Comment
  UCR280017  Phalaris lemmonii Peter Rubtzoff 1974-5-11 7406 Sonoma Laguna de Santa Rosa, east of Sebastopol, south of Hwy [12] crossing 20 Comment
  UCR248880  Phalaris minor Peter Rubtzoff 1972-6-11 6777 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC250745  Phalaris paradoxa John Thomas Howell; Walter Knight; Irja Knight 1987-6-4 6243 Sonoma Todd Road Preserve 24 Comment
  UCD89374  Phalaris paradoxa Beecher Crampton 1957-7-11 4295 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD89407  Phalaris paradoxa David L. Morgan 1956-5-13 s.n. Sonoma On Watmaugh Road, 1/2 mile W of junction of Arnold Drive. Comment
  UCR255672  Phalaris paradoxa Greg de Nevers 1998-6-28 11295 Sonoma Laufenberg Ranch, Spencer Lane, Knights Valley 143 Comment
  UCD89309  Phleum alpinum Freed W. Hoffman 1943-6-6 2213 Sonoma Ocean bank at Wright's Beach, Sonoma Coast. Comment
  JEPS128214  Phlox speciosa Roger Raiche 2002-5-26 009 .02 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC353923  Phlox speciosa subsp. nitida Milo S. Baker 1928-3-24 2718 c Sonoma 5 mi w Healdsburg (Jensen Ranch) Comment
  CAS-BOT-BC222474  Pholistoma Saichi Kawahara 1968-4-20 316 Sonoma 3 miles northeast of Lakeville Road 76 Comment
  RSA572341  Phoradendron densum Vanessa Ashworth, Nigel Boyle 1994-8-20 55 Sonoma Ca 2.5 miles N of Camp Meeker on Bohemia Hwy from Occidental to Monte Rio. Comment
  CAS-BOT-BC171220  Phoradendron serotinum subsp. tomentosum G. De Nevers 1981-3-31 587 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC171221  Phoradendron serotinum subsp. tomentosum Walter Knight; Irja Knight 1963-12-27 450 Sonoma On Pine Flat Rd. Comment
  JEPS42585  Phoradendron villosum F. T. Bioletti 1894-12-25 Sonoma Kenwood Comment
  CDA16372  Phyllospadix scouleri G. F. Hrusa 2000-11-13 15717 Sonoma Kortum trail head to Goat Rock. Comment
  UC326  Phyllospadix scouleri Milo S. Baker 1899-5-28 Sonoma Russian River; mouth Comment
  CAS-BOT-BC140613  Physocarpus capitatus A. A. Heller 1902-6-4 5647 Sonoma Santa Rosa Comment
  CAS-BOT-BC140624  Physocarpus capitatus Peter Rubtzoff 1964-5-20 5314 Sonoma Brooks Gulch Marsh Comment
  UCD158852  Pickeringia montana James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2923 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  SEINET5500932 Image available Pickeringia montana Sally Walker 1981-5-13 Sonoma 2 mi E of Occidental Comment
  POM20260  Pickeringia montana var. montana Michener, Bioletti 7160 Sonoma Hoods Peak Comment
  RSA796390  Picris echioides Peter Rubtzoff 1973-8-20 7221 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC78332  Pinus attenuata Walter Knight; Irja Knight 1963-12-27 463 Sonoma Summit, Pine Flat Rd. Comment
  UCD134794  Pinus muricata Lalit M. Srivastava 1957-11-2 25 Sonoma East side of State Highway 1, ca. 2 miles north of Fort Ross. 30 Comment
  SEINET4467740 Image available Pinus muricata var. borealis D. I. Axelrod 1983-1 E- 3 Sonoma Comment
  UCD134988  Pinus radiata Mary M. Hektner 1975-8-14 222 Sonoma Next to Whalers' Reach, Unit 7 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS128295  Piperia elongata Roger Raiche 2010-7-11 034 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA0047139  Piptochaetium setosum Tina Fabula 1996-6-10 s.n. Sonoma Fort Ross State Park. 134 Comment
  CAS-BOT-BC166774  Plagiobothrys Peter Rubtzoff 1972-4-23 6735 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC166956  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCR279877  Plagiobothrys Peter Rubtzoff 1969-5-3 6017 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastopol 21 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-BC166947  Plagiobothrys Peter Rubtzoff 1969-6-15 6093 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  SD260916  Plagiobothrys Peter Rubtzoff 1969-6-15 6094 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD150129  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-11 s.n. Sonoma Northwest of the city of Santa Rosa, S of River Rd and W of Fulton Rd. Just N of Wood Rd. Sampling pool #4. 44 Comment
  UCD33098  Plagiobothrys bracteatus Beecher Crampton 1966-5-10 7729 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  UC353902  Plagiobothrys bracteatus Milo S. Baker 1927-5-8 2143 a Sonoma dry vernal pool along road near summit; Bennett Val. Road Comment
  UCD33795  Plagiobothrys collinus var. californicus Beecher Crampton 1973-5-5 8927 Sonoma Sonoma County, Sonoma Coast State Park at Carmet. Comment
  UC353901  Plagiobothrys greenei Milo S. Baker 1927-5-8 2131 a Sonoma at road near Summit Comment
  UC79580  Plagiobothrys reticulatus var. rossianorum Katharine Brandegee June 1905 Sonoma Bodega Bay Comment
  RSA51316  Plagiobothrys stipitatus P. H. Raven 1950-4-6 1570 Sonoma Cotati to Santa Rosa. 30 Comment
  UC25061  Plagiobothrys tenellus Alice Eastwood 1900-4-7 Sonoma Altruria Comment
  UCD164695  Plagiobothrys undulatus Peter Rubtzoff; Tim Tunison, Nancy Harrison 1976-6-5 8582 Sonoma False Lake Meadow area, Annadel State Park. Comment
  RSA800599  Plantago Peter Rubtzoff 1965-8-16 5596 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  UCD124450  Plantago erecta Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 31 Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. Comment
  SEINET6990031  Plantago erecta A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma Serpentine area, 1 mile east of Occidental. Comment
  CAS-BOT-BC258382  Plantago major Peter Rubtzoff 1973-10-3 7331 Sonoma 0.75 miles northwest of Freestone. Comment
  UCD124370  Plantago maritima Frederica Bowcutt 1984-6-23 452 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 1/2 mile. Salt Point State Park. 15 Comment
  CAS-BOT-BC92121  Platystemon californicus A. A. Heller; H. E. Brown 1902-3-20 5105 Sonoma Near Windsor. Comment
  CAS-BOT-BC92129  Platystemon californicus F. Almeda; G. DeNevers 1981-3-30 4882 Sonoma Pepperwood Ranch. Vicinity of the Bechtel Cabin. Comment
  UC766307  Plectritis brachystemon R. F. Hoover 1941-5-14 5082 Sonoma 3 mi s of Monte Rio (on road to Camp Meeker) Comment
  SD88312  Plectritis ciliosa Darley F. Howe 1972-5-3 Sonoma Ocean bluff 2.5 miles north of Jenner Comment
  POM59709  Plectritis ciliosa subsp. ciliosa A. A. Heller, H. E. Brown 1902-3-24 5139 Sonoma Hills East of Santa Rosa. Comment
  UCD148501  Pleuropogon Peter Rubtzoff 1966-4-30 5686 Sonoma On north side of Highway 116, 0.5 miles northwest of Stony Point Road crossing. Comment
  UC573891  Pleuropogon californicus H. S. Yates 1937-6-5 6575 Sonoma near Wildwood 121 Comment
  CAS-BOT-BC260926  Pleuropogon californicus Catherine Best 1983-5-11 s.n. Sonoma At the edge of Arnold Drive about .5 mi. south up the intersection of Hwy. 116 Comment
  CAS-BOT-BC260968  Pleuropogon californicus var. californicus Thomas W. Nelson; Jane P. Nelson 1980-5-3 5128 Sonoma Along Roberts Road ca 100 m. past bridge over Copeland Creek, east of Rhonert Park 60 Comment
  CAS-BOT-BC260979  Pleuropogon californicus var. californicus Lewis S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  RSA184881  Pleuropogon californicus var. californicus L. S. Rose 1965-4-4 65019 Sonoma Sonoma. 24 Comment
  SEINET10611506  Pleuropogon californicus var. californicus Edward Lee 1934-4-30 Lee 753 Sonoma 1 mile west of 2 Rock junction. Comment
  JEPS71268  Poa annua Virginia Bufford 1932-9-23 574 Sonoma 4 mi sw Santa Rosa Comment
  UCD91156  Poa howellii Collector Unknown 1941-4-1 369 Sonoma side road off Trinity Road. Comment
  CAS-BOT-BC256033  Poa pratensis Peter Rubtzoff 1954-7-28 1597 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC243247  Poa secunda subsp. secunda John Thomas Howell; et al. 1981-5-14 54024 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 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
  RSA227196  Poa trivialis Peter Rubtzoff 1955-6-26 1905 Sonoma Duncan Mills Marsh. Comment
  RSA227230  Poa trivialis Peter Rubtzoff 1960-6-8 4466 Sonoma Fife Creek Marsh. Comment
  UCD92135  Poa unilateralis Beecher Crampton 1971-6-6 8719 Sonoma Sonoma Coast State Park at Carmet. Comment
  UCD92153  Poa unilateralis David L. Morgan 1961-4-15 s.n. Sonoma above Bodega Bay. Comment
  SEINET10659519  Poa unilateralis A. Arthur Heller Heller 5279 Sonoma Bodega Bay. Comment
  CAS-BOT-BC312677  Poaceae Peter Rubtzoff 1964-5-31 s.n. Sonoma Fitch Mountain Grove, near Healdsburg, along Russian River. Comment
  UC1541612  Polygala californica H. E. and S. T. Parks 1930-5-9 627 Sonoma near head Alexander Valley Comment
  CAS-BOT-BC110533  Polygonum Peter Rubtzoff 1973-8-20 7231 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC376404  Polygonum Greg de Nevers 1996-9-2 10871 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Kitchen Creek below Silva's. 400 Comment
  UC6718  Polygonum amphibium var. emersum Alice King June 1897 Sonoma Healdsburg Comment
  UCR248762  Polygonum aviculare Peter Rubtzoff 1966-8-25 5802 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  UCD166508  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1956-9-14 2887 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC414317  Polygonum aviculare subsp. neglectum Peter Rubtzoff 1959-6-20 4161 Sonoma Willow Creek Marsh Comment
  CDA2793  Polygonum cuspidatum H. F. McCracken 1967-10-11 Sonoma West 4th Street, Santa Rosa. 0 Comment
  SEINET11935785  Polygonum lapathifolium J. T. Vale 1988-1 Sonoma In old bed of Russian River about 1/4 mi below bridge at Hacienda among boulders Comment
  CAS-BOT-BC109248  Polygonum paronychia Walter Knight; Irja Knight 1963-8-23 205 Sonoma Horseshoe Cove. Comment
  UC71482  Polypodium J. Burtt Davy 1894-12-9 854 Sonoma Kenwood Comment
  CAS-BOT-BC72013  Polypodium californicum Margot Lowry 1983-5-1 42 Sonoma Ca. one mile from top of Sonoma Mtn. Rd. on Sonoma Mtn., along roadside 500 Comment
  UCD136916  Polypodium californicum Frederica Bowcutt 1996-5-23 2145 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 at toe of Sugarloaf Ridge just S of campground on rocky slope. 377 Comment
  CAS-BOT-BC76863  Polypodium calirhiza A. T. Graff 1926-2-1 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC232936  Polypogon Peter Rubtzoff 1983-8-28 9671 Sonoma Austin Creek, ca. 0.5 mile N of Highway 116 on Cazadero Road Comment
  CAS-BOT-BC361407  Polypogon Greg de Nevers 1997-5-23 11006 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. In Three Hill vernal pool 457 Comment
  RSA0023111  Polypogon Peter Rubtzoff, Nancy Harrison 1974-9-7 7889 Sonoma Hinebaugh Creek in Rohnert Park, in creek bed under Commerce Blvd. bridge. Comment
  UCD92446  Polypogon Beecher Crampton 1957-5-16 4040 Sonoma 3 miles SW of Cloverdale, Hot Springs Road. Comment
  CAS-BOT-BC233191  Polypogon interruptus Peter Rubtzoff 1955-7-31 2013 Sonoma Forestville Marsh Comment
  CAS-BOT-BC233195  Polypogon interruptus Peter Rubtzoff 1960-5-22 4407 Sonoma Laguna de Santa Rosa area E of Graton, between Occidental and Guerneville Roads Comment
  UCD36689  Polypogon interruptus Beecher Crampton 1955-6-17 2945 Sonoma 4.5 miles S of Cazadero. Comment
  UCD51668  Polypogon interruptus Harry Goff; Virginia Bufford 1935-5-22 62 Sonoma foot of Hood Mt. Comment
  CAS-BOT-BC233225  Polypogon maritimus Peter Rubtzoff 1961-6-17 4628 Sonoma Bennett Mountain Lake Comment
  SD39929  Polypogon monspeliensis Edith A. Purer 1932-7-24 4082 Sonoma Bodega Bay, stabilized dunes Comment
  CAS-BOT-BC237613  Polypogon viridis Peter Rubtzoff 1960-6-5 4439 Sonoma Laguna de Santa Rosa are NE of Graton, near the Laguna Road Comment
  SEINET11718544  Polystichum californicum W. Knight, Knight, I.; Edwards, S. W. 1986-1 5509 Sonoma 2.75 mi from end of Mill Creek Road Comment
  UC1784892  Polystichum dudleyi Wendy Born Jul 2003 Sonoma Armstrong Redwoods State Park Comment
  SEINET11718541  Polystichum dudleyi W. Knight, Knight, I.; Ellman, P. 1986-1 5851 Sonoma Bouverie Audubon Preserve, 0.75 mi E of parking lot along fire road 46 Comment
  UCR222529  Polystichum imbricans subsp. imbricans George K. Helmkamp, E. A. Helmkamp 2010-6-5 16248 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  CAS-BOT-BC72486  Polystichum munitum Irja Knight; Walter Knight 1964-11-15 1781 Sonoma Hood's Peak near Johnson Lake Comment
  RSA262241  Populus alba Peter Rubtzoff 1972-8-25 6854 Sonoma San Antonio Creek on E side of Hwy 101 crossing. Comment
  CAS-BOT-BC102669  Populus fremontii Peter Rubtzoff 1973-10-10 7335 Sonoma Forestville Marsh area, field ca. 25 yards from creek draining the Forestville Marsh Comment
  RSA595078  Populus trichocarpa Peter Rubtzoff 1986-8-31 9737 Sonoma Off Summerhome Park Road 0.2 mile W of Forest HIlls Road. 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-BC376231  Potamogeton Greg de Nevers 1992-6-8 10160 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  CAS-BOT-BC376364  Potamogeton Greg de Nevers 1992-6-8 10159 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC249289  Potamogeton crispus Peter Rubtzoff 1969-8-14 6126 Sonoma Salmon Creek, 5 miles west of Bodega (town) on Salmon Creek Road (1.1 mi. west of Finlay Creek Crossing). Comment
  CAS-BOT-BC274037  Potamogeton crispus Peter Rubtzoff 1970-10-3 6407 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  UCD165871  Potamogeton crispus Peter Rubtzoff 1970-10-3 6407 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC267173  Potamogeton foliosus Peter Rubtzoff 1955-9-10 2133 Sonoma E Guerneville, near Guerneville, in a small pool in a Russian River Island Comment
  UCD166102  Potamogeton foliosus Peter Rubtzoff 1971-9-1 6667 Sonoma Spring Creek Reservoir area, east of Santa Rosa. 87 Comment
  CAS-BOT-BC258004  Potamogeton foliosus Peter Rubtzoff 1970-10-3 6409 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  UC441348  Potamogeton illinoensis Milo S. Baker June 1899 Sonoma near Sebastopol Comment
  CAS-BOT-BC453899  Potamogeton nodosus Greg de Nevers 1992-6-26 10188 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  UCD165770  Potamogeton pusillus Peter Rubtzoff 1973-8-27 7269 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC141954  Potentilla anserina subsp. pacifica Peter Rubtzoff 1955-8-20 2066 Sonoma Bodega Harbor Marsh - Sonoma County Marshes Comment
  UCD113975  Poterium sanguisorba Mary M. Hektner 1974-7-17 146 Sonoma Outside Kirkwood House on Pacific Reach Road, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC516398  Prosartes hookeri Volney Rattan 1877-6-25 s.n. Sonoma Near Cloverdale Comment
  SEINET12049788  Prosartes hookeri F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -168 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road, between Jimtown & Mercuryville 330 Comment
  POM70072  Prunella vulgaris var. lanceolata Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  UC1124439  Prunella vulgaris var. lanceolata H. S. Yates 1936-5-16 5578 Sonoma 1 mi ne Graton; Sebastopol Quadrangle Comment
  CAS-BOT-BC159844  Prunus cerasifera Greg de Nevers 2002-3-12 12648 Sonoma Bouverie Audubon Preserve, Highway 12, Glen Ellen Comment
  UCR255040  Prunus subcordata Greg de Nevers 1998-4-21 11156 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC356922  Pseudognaphalium californicum Peter Rubtzoff 1951-8-25 670 Sonoma Hills southeast of Guerneville Comment
  UCD165870  Pseudognaphalium luteoalbum Peter Rubtzoff 1970-10-3 6403 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  UCD159438  Pseudognaphalium stramineum D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 195 -2 Sonoma Abandoned volleyball court/field. Disturbed. 6 Comment
  UCD135203  Pseudognaphalium stramineum P. G. Connors 1992-6-9 275 Sonoma Bodega Head and Dunes. Comment
  CAS-BOT-BC80184  Pseudotsuga menziesii A. A. Heller; H. E. Brown 1902-3-31 5188 Sonoma Mt. Hood Comment
  OBI21026  Pseudotsuga menziesii Dave Morse 1972-7-29 1 Sonoma 1 mi NE of Cloverdale on Hwy 128 91 Comment
  CAS-BOT-BC176131  Psilocarphus Peter Rubtzoff 1971-6-25 6553 Sonoma Intermittent lake off wst side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC176135  Psilocarphus Peter Rubtzoff 1974-5-26 7489 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. 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
  RSA94031  Psilocarphus brevissimus M. S. Baker 1928-5-26 3027 Sonoma Near summit of Bennet Val. Road. Comment
  CAS-BOT-BC362072  Psilocarphus tenellus Alice Eastwood 1921-5-8 10466 Sonoma Petaluma Comment
  CHSC34599  Pteridium aquilinum var. pubescens Jeffrey D. Prouty 1979-4-12 211 Sonoma Ca. 7 mi n of Santa Rosa, e of Mark West Springs Rd. 243 Comment
  UCD19498  Pteridium aquilinum var. pubescens Terry Reedy 1974-5-11 216 Sonoma Bodega Head. 15 Comment
  RSA0072112  Pterostegia drymarioides Greg de Nevers 1998-6-8 11271 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along old road from Rogers Apple Orchard to creek. 100 Comment
  UC708747  Pteryxia terebinthina var. californica G. L. Stebbins 1946-5-19 3646 Sonoma 3 miles northeast of Occidental. Comment
  UCD167310  Pyrola aphylla James Neilson 1977-6-12 3917 Sonoma Mayacmas Mountains, 1/4 mi south of well site #1. On ridge between Coon Creek and McMicking Ranch. (McMicking Ranch is also known as Santa Angelina Ranch. Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD45323  Quercus X chasei John M. Tucker 1952-9-20 2618 Sonoma (Q. kelloggii Newb. X Q. agrifolia Nee). California, Sonoma Co.: Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, along a lane running east from Voight farmhouse. Comment
  UCD46208  Quercus X howellii Shannon Murphy 2001-8-1 s.n. Sonoma (Q. garryana Hook. X Q. berberidifolia Liebm.). Sonoma County: Austin Creek State Park. Dry slope. 150 Comment
  UC424768  Quercus X morehus Milo S. Baker Jun 1929 3570 b Sonoma near Vine Hill School House Comment
  CAS-BOT-BC61631  Quercus agrifolia Lewis S. Rose 1960-9-14 60097 Sonoma Laguna de Santa Rosa 4 mi. ne. of Graton 15 Comment
  UC5583  Quercus berberidifolia Edw. L. Greene 1894-6-17 Sonoma Mt. St. Helena Comment
  UCD45276  Quercus berberidifolia Roman Gankin 1967-10-4 1078 4 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  SEINET12028625  Quercus chrysolepis W. Knight, Knight, I. 1981-1 3985 Sonoma 4.2 mi up Cavedale Rd from jct of State Rt-12 Comment
  CAS-BOT-BC86007  Quercus douglasii D. E. Breedlove 1980-6-27 44756 Sonoma Pepperwood Ranch W of Knights Valley Comment
  JEPS37397  Quercus douglasii W. H. Calhoun 1907-10-21 Sonoma Windsor Comment
  CAS-BOT-BC79568  Quercus dumosa Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5138 Sonoma Pine Mt. Road 304 Comment
  CDA31315  Quercus garryana D. G. Kelch, Ed Biffin 2010-5-3 10 .189 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  RSA169362  Quercus kelloggii L. S. Rose 1964-6-27 64058 Sonoma 2 miles north of Sonoma. 274 Comment
  RSA786873  Quercus kelloggii Carrie A. Herd 1982-3-14 22 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  UC478894  Quercus kelloggii Marcus E. Jones, A. M. 1931-7-5 28847 Sonoma The Geysers Comment
  UCD46738  Quercus kelloggii John M. Tucker 1952-9-20 2620 Sonoma California, Sonoma Co.; Voight Ranch, ca. 1.25 mi (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse; Comment
  UCSB1177  Quercus kelloggii Haller, John 1960-5-28 Sonoma 2.5 miles northwest of U.S. 101, 3.5 miles northwest of Cloverdale on California 128 152 Comment
  CAS-BOT-BC62848  Quercus lobata Mary P. Wells 1984-6-18 356 Sonoma Friends House grounds, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC134862  Quercus wislizeni G. DeNevers 1981-9-5 1820 Sonoma Pepperwood Ranch. Across the creek from the Goat Pens 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
  UCR254942  Rafinesquia californica Greg de Nevers 1997-4-16 10944 Sonoma North Coast Range, Moon Mountain Road [NNW of Sonoma] 396 Comment
  UCR255890  Ranunculus aquatilis Greg de Nevers 1990-3-26 9655 A Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  POM118705  Ranunculus californicus Marcus E. Jones 1924-4-24 s.n. Sonoma Petaluma. Comment
Read comments
Jan 23 2011
  CAS-BOT-BC378702  Ranunculus californicus var. californicus Peter Rubtzoff 1969-6-14 6072 -A Sonoma vernal pool 6.5 mi northeast of Penngrove, on Lichen Road 426 Comment
  RSA0030884  Ranunculus californicus var. cuneatus Lewis S. Rose 1939-4-2 39051 Sonoma 3 mi. n. of Bodega Bay. Comment
  POM118704  Ranunculus californicus var. gratus Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  CAS-BOT-BC83412  Ranunculus lobbii J. Penalosa 1961-5-24 1571 Sonoma Upper Stemple Creek Marsh. Comment
  UC72749  Ranunculus lobbii Milo S. Baker 1898-5-7 603 Sonoma Glen Ellen Comment
  UC634967  Ranunculus muricatus H. L. Mason 1928-4-7 4275 Sonoma Jenner Russian River (mouth of river) Comment
  POM268847  Ranunculus muricatus R. C. Bacigalupi 1926-5-2 1368 Sonoma Cazadero. Comment
  HSC34936  Ranunculus occidentalis var. occidentalis Thomas W. Nelson, James Nelson 1975-3-25 1755 Sonoma Beside Hwy. 128 E of Geyserville Comment
  UC136318  Ranunculus orthorhynchus var. bloomeri Katharine Brandegee June 1905 Sonoma between Santa Rosa and Sebastopol Comment
  POM282757  Ranunculus orthorhynchus var. bloomeri I. L. Wiggins 1932-3-12 2512 Sonoma roadside ditch, Knight's Valley Comment
  UC639127  Ranunculus pusillus G. Thomas Robbins 1937-5-23 181 Sonoma near Wright School (on hwy between Santa Rosa and Sebastopol, edge of vernal pool) Comment
  CAS-BOT-BC74200  Raphanus raphanistrum Greg de Nevers 1986-12-17 8118 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 400 Comment
  CAS-BOT-BC427548  Reseda luteola Walter Knight; Irja Knight; Tiffany Knight 1985-8-8 5142 Sonoma Willow Creek Road ca 3 mi from Coleman Valley road. Comment
  CAS-BOT-BC59448  Rhamnus ilicifolia Helen D. Geis 1902-1-1 575 Sonoma unspecified Comment
  UC634738  Rhododendron macrophyllum H. L. Mason 1928-7-11 4894 Sonoma 2 mi n of Fort Ross Comment
  UC634742  Rhododendron macrophyllum H. L. Mason 1928-7-11 4896 Sonoma 2 mi n of Fort Ross Comment
  CAS-BOT-BC226795  Rhododendron occidentale G. F. Hrusa 1989-5-8 7003 Sonoma Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma 518 Comment
  CDA43236  Rhododendron occidentale G. F. Hrusa 1989-5-21 7035 Sonoma Austin Creek State Recreation Area; Canyon of Gilliam Creek at base of slope below Redwood Lake. 198 Comment
  CAS-BOT-BC200339  Rhododendron occidentale var. occidentale H. E. McMinn 1922-6-7 181 Sonoma Near Monte Rio Comment
  CAS-BOT-BC200342  Rhododendron occidentale var. occidentale Peter Rubtzoff 1955-5-21 1856 Sonoma Forestville Marsh. North facing slope bordering the Marsh in the south Comment
  CAS-BOT-BC200350  Rhododendron occidentale var. occidentale Peter Rubtzoff 1951-6-2 89 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CDA32770  Rhododendron occidentale var. occidentale G. F. Hrusa, T. D. Wilfred 1992-5-26 9488 Sonoma Outer North Coast Ranges; Kortum Canyon Rd., near its intersection with Hwy 29 in town of Calistoga. 121 Comment
  CAS-BOT-BC111864  Rhynchospora alba Peter Rubtzoff 1951-7-1 340 Sonoma Pitkin Marsh; Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC111870  Rhynchospora alba Peter Rubtzoff 1951-6-16 252 Sonoma Pitkin Marsh: Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC111871  Rhynchospora alba John Thomas Howell; Hans Leschke 1945-5-30 20896 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111887  Rhynchospora californica Peter Rubtzoff 1951-8-5 598 Sonoma Pitkin Marsh, Western branch of the Upper Marsh Comment
  CAS-BOT-BC111932  Rhynchospora recognita John Thomas Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles n of Sebastopol. Comment
  RSA0057959  Ribes divaricatum Greg de Nevers 1998-4-27 11204 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  CAS-BOT-BC168997  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1958-6-1 3700 Sonoma Laguna de Santa Rosa east of Cunningham, near Llamo Road Comment
  CAS-BOT-BC212923  Ribes menziesii Peter Rubtzoff 1969-8-14 6124 Sonoma Salmon Creek Road, 3.75 miles west of Bodega (town), in vicinity of Coleman Valley Creek Comment
  UC75436  Ribes menziesii Milo S. Baker 1898-4-3 24 Sonoma between Forestville and Guerneville Comment
  UC58119  Ribes roezlii var. cruentum A. A. Heller 1903-4-24 6615 Sonoma near Cazadero Comment
  CAS-BOT-BC198925  Ribes roezlii var. cruentum Amy Heggie 1943-3-7 s.n. Sonoma Near Agua Caliente. Comment
  RSA0019544  Ribes sanguineum Michael A. Vincent, Ethan H. Freid 1998-4-8 8174 Sonoma Bodega Bay; 0.5 mile NE of city limits along Rt. 1. Comment
  UC73089  Ribes sanguineum var. glutinosum Milo S. Baker 1898-4-4 Sonoma near Sea View Comment
  SEINET7075471  Rigiopappus leptocladus A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley. 38? deg. 24' 31" North Latitude, -122? deg. 37' 52" West Longitude. (NAD 27), UTM Zone 10, 532220mE, 4251005mN. [Coordinate Datum: WGS84/NAD83]. Comment
  CAS-BOT-BC362938  Rigiopappus leptocladus G. DeNevers 1981-5-15 1215 Sonoma Pepperwood Ranch. Along road to Hansel's Lake (from the bottom of her driveway) Comment
  CAS-BOT-BC376370  Rorippa Greg de Nevers 1993-4-6 10356 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Creek, along Franz Valley Road by Franz Valley School Road. 400 Comment
  CAS-BOT-BC74693  Rorippa curvisiliqua Peter Rubtzoff 1954-7-4 1526 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC74716  Rorippa curvisiliqua Peter Rubtzoff 1986-9-28 9750 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC74704  Rorippa curvisiliqua Peter Rubtzoff 1962-6-13 4913 Sonoma Americano Creek area. Pond near Petaluma Valley Ford road just south of Bloomfield. Comment
  UCR254883  Rorippa curvisiliqua var. occidentalis Peter Rubtzoff 1974-6-2 7517 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC74849  Rorippa palustris var. palustris Peter Rubtzoff 1973-8-25 7259 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC152658  Rosa californica Peter Rubtzoff 1951-8-18 631 Sonoma Western branch of the Upper Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC152676  Rosa californica A. A. Heller 1902-6-10 5678 Sonoma Santa Rosa Comment
  UC467669  Rosa californica V. King Chesnut Aug. 1889 Sonoma Santa Rosa Comment
  CAS-BOT-BC148199  Rosa rubiginosa Dorothy Scherer 1997-5-20 121 Sonoma Ca. 100' north of Russian Orchard, along path to Sag Ponds, Fort Ross State Historic Park 106 Comment
  CAS-BOT-BC148202  Rosa rubiginosa Peter Rubtzoff 1955-6-4 1898 Sonoma Stony Piont Marsh Comment
  NY415883  Rosa sonomensis L. Greene 1888-9-30 s.n. Sonoma Comment
  CAS-BOT-BC262824  Rubus Peter Rubtzoff 1960-5-16 4357 Sonoma Duncans Mills Marsh; upper portion of the marsh. Comment
  UCR279643  Rubus Peter Rubtzoff 1964-5-20 5306 Sonoma Bodega Bay Marsh 15 Comment
  RSA800080  Rubus laciniatus Peter Rubtzoff 1954-7-28 1591 Sonoma Guerneville Marsh. Northwestern end of marsh. Comment
  UCD17812  Rubus leucodermis H. Olmo 8-10 May 1962 62 07 Sonoma California. Sonoma County: 7.4 miles from junction of road to Fort Ross, in Cazadero. Near entrance to Horseshoe Ranch. Comment
  RSA800404  Rubus parviflorus Peter Rubtzoff 1964-5-20 5311 Sonoma Brooks Gulch Marsh. Comment
  JEPS76920  Rubus spectabilis Robert M. Lloyd 1963-2-24 2058 Sonoma on State Highway 1, 4 mi s State Highway 12 15 Comment
  POM91786  Rubus spectabilis var. franciscanus Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC158723  Rubus ulmifolius Mary P. Wells 1985-7-1 527 Sonoma Bank of Ducker Creek, Rincon Valley, Santa Rosa Comment
  SEINET11912601  Rubus ulmifolius var. inermis H. K. Wagnon 1990-1 1976 Sonoma bank of Santa Rosa Creek by Brookwood Ave. bridge, Santa Rosa Comment
  CAS-BOT-BC157179  Rubus ursinus Volney Rattan 1877-6-17 s.n. Sonoma Guerneville Comment
  UC372722  Rubus ursinus Marcus E. Jones, A. M. 1882-7-18 Sonoma Duncan's Mills Comment
  UC666158 Image available Rubus ursinus S. W. Brown 1942-5-10 42004 Sonoma 2 mi n Ft. Ross State Historic Monument; Ft. Ross Comment
  CAS-BOT-BC157172  Rubus ursinus Alice S. M. McKenzie 1981-2-12 15 A Sonoma Calif. State Hwy. 1, marker 44.55 Comment
  UCD17827  Rubus ursinus H. Olmo 8-10 May 1962 62- 12 Sonoma California. Sonoma County: near Lumber Company along Gualala River. Comment
  CAS-BOT-BC173526  Rumex Peter Rubtzoff 1962-8-22 5039 Sonoma Bodega Bay Marsh Comment
  UCD101060  Rumex acetosella Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 72 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail S of Sonoma Creek about 1/8 mile from beginning of trail. 381 Comment
  CAS-BOT-BC433408  Rumex crispus John Thomas Howell 1955-8-6 30892 Sonoma 1 mile southeast of Bloomfield on road to Two Rock 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
  CAS-BOT-BC166746  Rumex fueginus Peter Rubtzoff 1958-9-27 4007 Sonoma Laguna de Santa Rosa northeast of Graton (near Guerneville Road). Comment
  CAS-BOT-BC433696  Rumex obtusifolius Peter Rubtzoff 1987-7-18 9800 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Off Summerhouse Park Road 0.2 mile from (west of) Forest Hills Road. Comment
  UCD148412  Rumex obtusifolius Peter Rubtzoff 1959-6-20 4167 Sonoma Willow Creek Marsh. Comment
  RSA783831  Rumex pulcher Peter Rubtzoff 1966-6-5 5751 Sonoma Laguna de Santa Rosa, area E of Cunningham (near Llano Road). Comment
  SDSU9724  Rumex pulcher D. F. Howe 1963-7-2 3579 Sonoma 4.2 miles N of juction with #12, on #1. Comment
  CAS-BOT-BC433868  Rumex salicifolius John Thomas Howell 1957-10-12 32997 Sonoma About 1 mi. sw. of Sonoma Comment
  HSC49283  Rupertia physodes J. P. Smith, J. O. Sawyer 1977-6-5 2880 Sonoma Canyon Rd. about 1/2 mi. W of US 101 across from Pendrocelli Winery Comment
  CAS-BOT-BC239853  Rytidosperma penicillatum J. C. Roos 1957-7-2 6651 Sonoma Miller Ridge Comment
  OBI35898  Rytidosperma penicillatum David J. Keil 1983-6-30 17216 Sonoma Stillwater Cove Regional Park Comment
  CAS-BOT-BC445781  Sagittaria latifolia John Thomas Howell 1945-7-18 21316 Sonoma Pitkin Marsh Comment
  UC935766  Sagittaria latifolia Malcolm A. Nobs and S. Galen Smith 1949-6-29 920 Sonoma on road to Sebastopol the Laguna marshy area w Santa Rosa; Laguna marshy area Comment
  CAS-BOT-BC445777  Sagittaria latifolia Peter Rubtzoff 1963-10-9 5297 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC445780  Sagittaria latifolia John Thomas Howell 1946-8-17 22879 Sonoma The Laguna just east of Sebastopol Comment
  RSA0015572  Salix Peter Rubtzoff 1973-10-10 7337 Sonoma Salmon Creek, 0.25 mi south of Freestone along creek canyon. Comment
  RSA0037214  Salix Peter Rubtzoff 1973-9-9 7326 Sonoma Kenwood Marsh. At south margin of the area. Comment
  RSA0037216  Salix Peter Rubtzoff, James E. Eckenwalder 1974-4-6 7353 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC126271  Salix X sepulcralis Peter Rubtzoff 1952-5-31 1117 Sonoma Southern half of Lower Marsh Comment
  POM209562  Salix babylonica W. A. Setchell 1934-3-17 s.n. Sonoma Valley Ford Road. 6 miles from Petaluma. Comment
  CAS-BOT-BC103084  Salix bonplandiana Peter Rubtzoff 1952-6-15 1265 Sonoma Fitch Mtn. Grove, near Healdsburg. Bank of Russian River Comment
  SEINET11998392  Salix bonplandiana W. Knight, Knight, I. 1988-1 6208 Sonoma Hacienda, along Russian River Comment
  CAS-BOT-BC103947  Salix exigua Peter Rubtzoff 1966-4-30 5698 Sonoma Todd Road 1.4 mi. from Highway 116 and 0.6 mi. from Llano Road Comment
  CAS-BOT-BC107755  Salix hindsiana G. De Nevers 1981-3-14 535 Sonoma Pepperwood Ranch - Pippindale farm, 7 mi. NE of Santa Rosa near Mark West Lodge. Leslie Creek, 100 m upstream from the junction. Comment
  CAS-BOT-BC106848  Salix hookeriana Mary P. Wells 1987-2-28 825 Sonoma West end of Moonraker Dr., The Sea Ranch Comment
  CAS-BOT-BC106957  Salix laevigata Mary P. Wells 1987-2-21 850 Sonoma South side of Spring Lake, Santa Rosa Comment
  UC353926  Salix lasiandra subsp. lasiandra Milo S. Baker 1928-3-17 2732 Sonoma 1 mi. e. of town Santa Rosa Creek Comment
  UC66156  Salix lasiandra subsp. lasiandra A. A. Heller 1902-3-28 5174 Sonoma Santa Rosa Creek e. of Santa Rosa Comment
  CAS-BOT-BC128067  Salix lasiandra var. lasiandra Baker; Ball; Bracelin; Crum 1931-5-9 347 Sonoma About 2 km. east of Bodega Bay. Comment
  CAS-BOT-BC128098  Salix lasiandra var. lasiandra A. A. Heller 1902-3-28 5174 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-BC107255  Salix lasiolepis Ball; Bracelin; Parks & Parks 1931-4-12 34 Sonoma Maacama Creek, about 25 km. northwest of Calistoga Comment
  HSC19993  Salix lasiolepis R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1340 Sonoma Along Sulphur Creek, 7 mi. W of Big Geysers Comment
  RSA534495  Salix lasiolepis Peter Rubtzoff 1964-8-26 5487 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 Comment
  UC453108  Salix lasiolepis W. A. Setchell 1931-8-1 22 Sonoma Russian R. between Monte Rio and Duncan's Mills; Russian R. Comment
  UC453114  Salix lasiolepis W. A. Setchell 1931-8-1 27 Sonoma Jenner-by-the-Sea Comment
  UC505692  Salix lasiolepis C. R. and B. S. Ball 1933-5-6 2501 Sonoma 4 mi. s.w. Calistoga (on rd. to Petrified Forest, just over Napa Co. line) Comment
  UC511361  Salix lasiolepis Lyman Benson 1930-3-20 1954 Sonoma 4 mi. n. of Santa Rosa; San Francisco Bay watershed, Mayacamas Mt. Range 152 Comment
  SEINET10396327  Salix lasiolepis A. A. Heller 1902-8-23 5097 Sonoma Santa Rosa Creek, E of Santa Rosa. Comment
  CAS-BOT-BC128311  Salix lasiolepis var. lasiolepis G. DeNevers 1981-4-25 875 Sonoma Mark West Creek and Leslie Creek - Pepperwood Ranch Comment
  RSA94335  Salix lucida Peter Rubtzoff 1952-3-23 890 Sonoma Lower part of the Upper Marsh, in open damp area. Comment
  UC453094  Salix melanopsis W. A. Setchell 1931-7-25 13 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  UC482050  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  CAS-BOT-BC129235  Salix piperi Mary P. Wells 1981-4-18 s.n. Sonoma Draw on Unit 24, The Sea Ranch Comment
  CAS-BOT-BC126179  Salix scouleriana Peter Rubtzoff; J. E. Eckenwalder 1973-10-3 7332 Sonoma 0.75 mi northwest of Freestone Comment
  CAS-BOT-BC126197  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 343 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  LA208907  Salix scouleriana W. A. Setchell; 1934-7-10 6 Sonoma Coast Hwy, N of Fort Ross Comment
  SBBG28810  Salix scouleriana Baker, C. R. Ball, H. Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental, on Occidental grade Comment
  CAS-BOT-BC128947  Salix sitchensis Peter Rubtzoff 1969-8-31 6181 Sonoma Russian river margin at Forest Hills, 5.5 miles east of Guerneville Comment
  SD892  Salix sitchensis Carleton R. Ball, Bracelin, Parks & Parks 1931-4-21 36 Sonoma Maacama Creek, 25 km northwest of Calistoga Comment
  UC498692  Salix sitchensis Annetta Carter 1933-2-19 255 Sonoma 150 yds. from ocean beside creek Fort Ross 3 Comment
  CAS-BOT-BC225217  Salvia sonomensis Walter Knight; Irja Knight 1963-8-23 195 Sonoma Joost Ranch, Calistoga Rd. Comment
  JEPS97554  Salvia sonomensis R. D. Stone 1985-3-8 652 Sonoma Near ridgetop W of Stuart Canyon Mt. Veeder (approx. 2.5 airmiles W of) Comment
  RSA134121  Salvia sonomensis John H. Thomas 1955-5-22 5189 Sonoma Along St. Helena Road and West Creek, about 2.7 miles west of Sonoma-Napa County line, about 8 miles northeast of Santa Rosa 366 Comment
  UC1177084  Salvia sonomensis Peter H. Raven 1954-2-27 6429 Sonoma n side Hooker Creek; Hoods Peak Range 609 Comment
  CAS-BOT-BC221104  Salvia sonomensis Milo S. Baker 1927-4-10 2060 a Sonoma Macartney Hill Comment
  POM126746  Salvia spathacea M. S. Baker 1904-05 s.n. Sonoma Hills south of Ocean View. Comment
  CAS-BOT-BC245886  Sambucus nigra subsp. caerulea Peter Rubtzoff 1970-9-8 6382 Sonoma River Road ca. 3 miles west of Fulton Comment
  UCSB15938  Sambucus nigra subsp. caerulea 1962-6-6 Sonoma Along State Highway 128, 0.9 mile northwest of U.S. Highway 101 at Cloverdale 106 Comment
  UCD127938  Sanicula bipinnatifida Charles B. Heiser Jr. 1946-4-13 1719 Sonoma between Jenner and Ducan Mills. Comment
  UC1022490  Sanicula crassicaulis C. Ritchie Bell 1952-3-19 3 X349 Sonoma 1 mi s of Geyserville Comment
  UC1022491  Sanicula crassicaulis C. Ritchie Bell 1952-3-8 3 X334 Sonoma between Santa Rosa and Calistoga Comment
  UC923166  Sanicula laciniata Freed W. Hoffman 1950-5-24 3281 Sonoma North Coast Ranges, The Island, Devil Creek, a tributary of East Austin Creek Devil Creek; North Coast Ranges, The Island, Devil Creek Comment
  UCD112404  Sanicula laciniata Christopher Mallek 2008-5-2 HC1- 3 Sonoma Hooker Canyon. 590 Comment
  UC1010439  Saxifraga californica Leo Koch 1938-3-20 48 Sonoma 4 mi n of Santa Rosa (Miss Marian Barbours pasture, on Hwy 101, (Ranch)); North Bay Comment
  UC11769  Saxifraga californica F. T. Bioletti 1894-1 Sonoma Hood's Peak Comment
  UC338957  Saxifraga californica Hy. Edwards April 1877 202 Sonoma Skaggs Spring Comment
  SEINET12216689  Saxifraga mertensiana F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -152 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  UCD102936  Saxifraga mertensiana Rimo Bacigalupi 1948-3-6 2854 Sonoma One mile west of Skaggs Springs. Comment
  CAS-BOT-BC283149  Schedonorus arundinaceus Walter Knight; Irja Knight; J. T. Howell 1987-5-20 6282 Sonoma Northeast corner Llamo and Todd Roads 25 Comment
  RSA0022394  Schedonorus arundinaceus Peter Rubtzoff 1962-5-25 4838 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna road. Comment
  UCD65648  Schedonorus arundinaceus David L. Morgan 1956-4-20 Sonoma Wilson St., 1/2 block SW of Jefferson, Petaluma. Comment
  CAS-BOT-BC111432  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1958-8-31 3955 Sonoma Atascadero Creek Marsh. Comment
  SJSU6046  Schoenoplectus acutus var. occidentalis C. W. Sharsmith 1972-6-24 7801 Sonoma Forestville Marsh c. 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  UCD50086  Schoenoplectus acutus var. occidentalis P. G. Connors 1991-8-15 205 Sonoma In Clark Marsh with Typha latifolia. Comment
  UCR255659  Scirpus microcarpus Greg de Nevers 1997-4-1 10925 Sonoma Santa Rosa, Pepperwood Ranch, 3450 Franz Valley Road 400 Comment
  CAS-BOT-BC111113  Scirpus microcarpus Peter Rubtzoff 1958-6-1 3692 Sonoma Laguna de Santa Rosa east of Cummingham (nr. Llamo Road). Comment
  RSA227198  Scirpus microcarpus Peter Rubtzoff 1958-9-6 3982 Sonoma Laguna de Santa Rosa, east of Sebastopol Comment
  SEINET4178877 Image available Scirpus pungens Unknown 1965-5-1 6 -Aug Sonoma Marine Biological Station, Bodega Head Comment
  CAS-BOT-BC361398  Scleranthus annuus Greg de Nevers 1993-5-9 10441 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd., at Double Culverts 457 Comment
  UC423136  Scoliopus bigelovii Miss Emma Lobenstein 1906-3-18 Sonoma Occidental Comment
  CAS-BOT-BC516416  Scoliopus bigelovii Volney Rattan 1880-1-1 s.n. Sonoma Duncan's Mills Comment
  SEINET12050504  Scoliopus bigelovii F. H. Utech 1988-1 88 -215 Sonoma Salt Point, along CA 1 between Jenner & Stewart's Point, mile marker 38.39 75 Comment
  UC1023610  Scribneria bolanderi Virginia Bufford 1935-4-14 438 Sonoma Occidental, Blundin's Pasture Occidental; , Blundin's Pasture Comment
  UC972188  Scribneria bolanderi Milo S. Baker 1952-3-20 12396 Sonoma about 1/4 mi n of Caliente (e side of Highway 12); Highway 12 Comment
  CAS-BOT-BC311817  Scrophularia californica Peter Rubtzoff 1967-8-28 5870 Sonoma Lower Salmon Creek Marsh. Comment
  POM180691  Scrophularia californica J. T. Howell 1930-7-27 5392 Sonoma 1 mile north of Fort Ross. Comment
  RSA0022396  Scrophularia californica Peter Rubtzoff 1958-5-17 3675 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Rd.) Comment
  UC903699  Scutellaria tuberosa Milo S. Baker 1947-4-22 11695 Sonoma Hood Mountain, along trail towards cliffs Hood Mountain 243 Comment
  RSA0004003  Scutellaria viarum A. A. Heller 1902-6-27 5786 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC64095  Sedum radiatum subsp. radiatum C. F. Leitholdt 1893-6-1 s.n. Sonoma Sonoma Mt. Comment
  UC615252  Sedum spathulifolium Beryl O. Schreiber 1934-5-16 1125 Sonoma near Healdsburg; near Healdsburg Comment
  CAS-BOT-BC62198  Selaginella wallacei J. Clausen 1935-5-24 1080 Sonoma Adobe Canyon along Sonoma Creek Comment
  JEPS19066  Selaginella wallacei A. A. Heller 1902-3-10 5024 Sonoma hills 2 mi e Santa Rosa Comment
  UCD167414  Senecio James Neilson 1978-5-3 3962 Sonoma Mayacmas Mountains, near Little Sulphur Creek in Pine Flat. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC566633  Senecio glomeratus H. L. Mason 1928-7-10 4884 Sonoma Jenner Comment
  UCD148329  Senecio glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 miles southeast of Guerneville. Comment
  UC1612986  Senecio minimus M. Rockwood and L. Esposito 1994-7-27 612 Sonoma 1.5 mi nw Bodega; Rancho Bodega 42 Comment
  UCD135597  Senecio minimus W. L. Jepson 1931-7-19 15954 Sonoma between Russian River mouth and Occidental. Comment
  CAS-BOT-BC364679  Senecio vulgaris John H. Thomas 1976-6-15 18312 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  LA16918  Sequoia sempervirens C. B. Wolf; E. R. Johnson 1934-10-13 6179 Sonoma Log Cabin Ranch inland from Gualala 304 Comment
  UC252  Sequoia sempervirens J. Burtt Davy July 1896 Sonoma near Guerneville Comment
  JEPS48268  Sequoia sempervirens W. L. Jepson 1903-10-4 2367 A Sonoma Eagle's Nest Camp Russian River Comment
  POM21700  Sequoia sempervirens A. A. Heller, H. E. Brown 1902-3-16 5080 Sonoma Russian River, Near Trenton Comment
  SEINET3876368 Image available Sequoia sempervirens K. Thorne 1984-11-23 3674 Sonoma Sea Ranch Hills above N end of ranch, 3 miles S of Gualala.; 0 Comment
  YM-YOSE15452  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 miles South of Santa Rosa in Bennet Valley Comment
  YM-YOSE15453  Sequoia sempervirens Jesse Peter 1938-1 Sonoma 7 Miles South of Santa Rosa in Bennet Valley Comment
  SEINET10827242  Setaria parviflora P. Rubtzoff 1971-9-2 Rubtzoff 6685 Sonoma Todd Road near Stony Point Road. Dry roadside ditch, in the open. Comment
  CAS-BOT-BC240154  Setaria pumila Peter Rubtzoff 1971-9-2 6684 Sonoma Todd Road near Stony Point Road 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
  RSA0004218  Sidalcea calycosa Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan s Mills Comment
  RSA6147  Sidalcea calycosa subsp. calycosa Carl B. Wolf 1933-6-26 s.n. Sonoma 1-4/10 miles above the power plant house on road to Camp Nelson. Upper Tule River 1037 Comment
  CAS-BOT-BC187886  Sidalcea calycosa subsp. rhizomata Peter Rubtzoff 1951-9-15 767 Sonoma Lower part of the Upper Marsh, Pitkin Marsh, near Forestville Comment
  UC796565  Sidalcea diploscypha Roxana S. Ferris and Laura Lorraine 1948-6-9 11662 Sonoma on road to Kellogg 11 mi from Geyserville; 11 mi from Geyserville Comment
  POM210232  Sidalcea diploscypha H. E. Parks, S. T. Parks 1930-05 625 Sonoma Head of Alexander Valley Comment
  SEINET11994390  Sidalcea diploscypha F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -162 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 120 Comment
  RSA41897  Sidalcea malviflora subsp. purpurea Ella Dales Cantelow 1938-5-7 s.n. Sonoma 4 miles N of Fort Ross Comment
  CAS-BOT-BC213171  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 196368 Sonoma Kenwood Marsh about 1/4 mile west of Kenwood. Comment
  UCR249911A  Sidalcea oregana subsp. valida Peter Rubtzoff 1979-7-15 9292 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
  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
  RSA800081  Silene Peter Rubtzoff 1962-6-21 4935 Sonoma Laguna de Santa Rosa area NE of Graton, E of Laguna 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
  RSA143959  Silene californica Roxana S. Ferris, Laura Lorraine 1961-6-15 13552 Sonoma Green Valley Road 0.8 miles E of junction with Harrison Grade Road. Comment
  CAS-BOT-BC361349  Silene coniflora Greg de Nevers 1997-4-24 10961 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS128281  Silene coniflora Roger Raiche 2005-4-22 018 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC392497  Silene gallica Peter Rubtzoff 1952-5-10 1020 Sonoma Bordering the Upper Marsh in the east. Comment
  SEINET11933908  Silene gallica F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -185 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  CAS-BOT-BC389229  Silene laciniata subsp. californica Volney Rattan 1877-6-11 s.n. Sonoma Guerneville Comment
  UCD138775  Sisyrinchium bellum Chris Bowen 1974-5-19 s.n. Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET7040133  Sisyrinchium bellum A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  JEPS64293  Sisyrinchium californicum Lucille Roush 1928-4-15 Sonoma near Russian River; Fort Ross Comment
  SBBG1143  Sisyrinchium californicum H. and M. Dearing 1939-5-15 3367 Sonoma N of Fort Ross Comment
  UC3881  Smilacina stellata Maclean Sonoma banks near Geysers Comment
  CAS-BOT-BC166973  Solanum Peter Rubtzoff 1958-9-20 3994 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 miles north Guerneville Road). Comment
  CAS-BOT-BC164687  Solanum Peter Rubtzoff 1951-8-5 594 Sonoma Mirabel Park, 1.5 miles north of Forestville. Comment
  UCR279642  Solanum americanum Peter Rubtzoff 1963-10-5 5287 Sonoma Laguna de Santa Rosa east of Graton 23 Comment
  RSA227219  Solanum americanum Peter Rubtzoff 1963-10-5 5287 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  UCD126816  Solanum americanum C. B. Heiser; D. Heiser 1946-4-14 s.n. Sonoma Bodega Bay. Comment
  NY821075  Solanum nodiflorum B. Anderson 1985-9-30 2832 Sonoma Sonoma Mountain Rd., just off Warm Springs Rd. 90 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
  UCD148423  Solanum xanti Peter Rubtzoff 1960-5-16 2358 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC344889  Solidago Peter Rubtzoff 1962-9-16 5094 Sonoma Vacation Beach, 1.5 miles below Guerneville. Comment
  UC455799  Solidago velutina subsp. californica I. J. Condit 1908-8-14 Sonoma Sebastopol Comment
  CAS-BOT-BC365266  Solidago velutina subsp. californica G. DeNevers 1981-6-15 1530 Sonoma Pepperwood Ranch. Below the 180 deg. turn in the road S of the aluminum gate by the orange tree Comment
  UCD165151  Soliva sessilis Peter Rubtzoff 1974-5-18 7433 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173686  Soliva sessilis Peter Rubtzoff 1974-5-18 7433 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC365967  Soliva sessilis Alice Eastwood 1921-4-24 10377 Sonoma Santa Rosa Comment
  CAS-BOT-BC164074  Sonchus Peter Rubtzoff 1960-6-25 4511 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  UCD148422  Sonchus Peter Rubtzoff 1960-5-18 4391 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC374529  Sonchus asper Peter Rubtzoff 1951-7-21 517 Sonoma Pitkin Marsh, near Forestville. Area between the Upper and the Lower marshes Comment
  RSA788954  Sonchus asper subsp. asper Peter Rubtzoff 1955-9-24 2153 Sonoma Duncans Mills Marsh. Comment
  RSA788955  Sonchus asper subsp. asper Peter Rubtzoff 1960-5-18 4391 Sonoma Bodega Head Marsh. Comment
  UCD133992  Sonchus asper subsp. asper Frederica Bowcutt 1996-5-24 2171 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road near entrance. Comment
  CAS-BOT-BC390044  Spergula arvensis G. DeNevers 1981-4-2 615 Sonoma Pepperwood Ranch. In Hansel's cow bitten field Comment
  CAS-BOT-BC251260  Spergularia Peter Rubtzoff 1954-7-3 1519 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  CAS-BOT-BC320575  Spergularia Peter Rubtzoff 1971-7-3 6591 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC323963  Spergularia Peter Rubtzoff 1971-7-23 6614 Sonoma Laguna, Chileno Valley. 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
  SEINET11933368  Spergularia villosa W. Knight, Knight, I. 1984-1 5085 Sonoma near Gilardi's Resort, near Lakeville along Petaluma River 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-BC258358  Stachys J. Penalosa 1961-5-24 1585 Sonoma Upper Stemple Creek Marsh Comment
  CAS-BOT-BC502053  Stachys Peter Rubtzoff 1963-10-5 5295 Sonoma Brooks Gulch Marsh Comment
  RSA179722  Stachys ajugoides J. T. Howell 1930-6-8 5228 Sonoma Bodega Road, 4 miles east of Valley Ford. Comment
  UC1541665  Stachys bullata H. E. and S. T. Parks 1930-5-9 618 Sonoma at head Alexander Valley Comment
  UCD126062  Stachys rigida var. quercetorum Terri Williamson 1990-5-20 55 Sonoma Bayflat Road, Bodega Bay. 3 Comment
  CAS-BOT-BC366880  Stachys stricta Greg de Nevers 1993-8-8 10485 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At marsh above Skovie, at base of Telegraph Hill. 400 Comment
  CAS-BOT-BC175334  Stellaria borealis subsp. sitchana Peter Rubtzoff 1951-6-30 307 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC251257  Stellaria media Peter Rubtzoff 1958-8-31 3951 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC397769  Stellaria media G. DeNevers 1981-4-2 614 Sonoma Pepperwood Ranch; Along Studio Road at the Mesa. Comment
  UCD136267  Stephanomeria elata L. D. Gottlieb 1966-8-4 66115 Sonoma on Trinity road, 1/2 mile east of junction with Cavedale Road. 548 Comment
  UCR142044  Stipa lepida Beecher Crampton 1955-6-17 2966 Sonoma North Coast, 1.5 miles east of Fort Ross 366 Comment
  UCD167448  Streptanthus James Neilson 1983-6-13 4095 Sonoma East Austin Creek tributary. (On the same date Neilson was in the upper reaches of East Austin Creek, however the exact tributary is unknown. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC87235  Streptanthus glandulosus subsp. glandulosus H. N. Bolander 1864-4-1 3944 Sonoma At the Geysers. Comment
  UC1492783  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-21 3397 Sonoma Coleman Valley North Coast Ranges Comment
  UC639136  Streptanthus glandulosus subsp. secundus Beryl O. Schreiber 1934-5-16 1121 Sonoma Fitch Mountain Road Healdsburg Comment
  UC985958  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-6-4 2904 Sonoma along road at base of mt 2.2 mi from Healdsburg Park (e of Healdsburg); North Coast Ranges, Fitch Mountain Comment
  RSA0121906  Streptanthus glandulosus subsp. secundus Patricia Wilder 1965-6-9 3629 Sonoma 2.5 mi up Los Alamos Road from CA State Hwy 12; Rincon Ridge. North Coast mtn range, Russian River drainage. 305 Comment
  CAS-BOT-BC87306  Streptanthus glandulosus subsp. sonomensis A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero. Comment
  SEINET11998403  Streptanthus glandulosus var. sonomensis Unknown 1986-1 60156 Sonoma W of Healdsburg, Palmer Creek drainage (tributary of Mill Creek) 427 Comment
  UC1292743  Streptanthus morrisonii Freed W. Hoffman 1948-6-17 2347 Sonoma Red Slide, Bargeman Creek North Coast Ranges Comment
  UC1492807  Streptanthus morrisonii subsp. hirtiflorus F. W. Hoffman 1948-6-17 2344 Sonoma bluffs and cliff talus above Dorr's Cabin (headwaters of creek); North Coast Ranges, East Austin Creek; above Dorr's cabin, headwaters of East Austin Creek, Sonoma Co. Comment
  UC1292738  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1950-6-17 3380 Sonoma Layton Mine, Austin Creek Comment
  CAS-BOT-BC97816  Symphyotrichum chilense Peter Rubtzoff 1958-8-9 3826 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CAS-BOT-BC97832  Symphyotrichum chilense Walter Knight; Irja Knight 1963-9-26 116 Sonoma ca. 3 mi. from San Antonio Rd. on I. St. Ext. Comment
  CAS-BOT-BC98565  Symphyotrichum lentum F. G. Krauss 1893-10-8 s.n. Sonoma Mountains, Krauss Ranch Comment
  CAS-BOT-BC399884  Thalictrum polycarpum Peter Rubtzoff 1959-6-13 4140 Sonoma Willow Creek Marsh Comment
  POM188484  Thalictrum polycarpum Marcus E. Jones 1931-7-5 28900 Sonoma West of Cloverdale. Comment
  CAS-BOT-BC268101  Thermopsis Peter Rubtzoff 1962-6-8 4886 Sonoma Bennett Mountain Lake. Comment
  SEINET12164396  Thermopsis macrophylla F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -103 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  CAS-BOT-BC66823  Thysanocarpus curvipes John H. Thomas 1969-4-28 14924 Sonoma About 3.6 miles north of Monte Rio. Comment
  POM143752  Thysanocarpus curvipes var. curvipes A. A. Heller, H. E. Brown 1902-4-14 5287 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC67333  Thysanocarpus radians A. A. Heller; H. E. Brown 1902-4-8 5223 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  RSA801567  Torilis arvensis Peter Rubtzoff 1967-7-2 5844 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  JEPS48378  Torreya californica Docia Patchett 1922-1-1 Sonoma Sonoma coast 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-BC169258  Toxicodendron diversilobum Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  UCR265093  Toxicoscordion fontanum Ann Howald, Christina Freeman 2015-4-13 3341 Sonoma Inner North Coast Ranges, Annadel State Park, Ledson Marsh, south shore, c. 300 feet north of intersection Pig Flat and Marsh trails 363 Comment
  JEPS58985  Tracyina rostrata John Thomas Howell 1967-6-17 42599 Sonoma Arthur E. Cooley ranch, at confluence of Galloway and Dry Creeks, n Sonoma County Galloway Creek, Dry Creek 182 Comment
  SDSU11972  Triantha occidentalis subsp. occidentalis D. F. Howe 1972-6-27 4842 Sonoma Near Pitkin Marsh 46 Comment
  UC424809  Tribulus terrestris Milo S. Baker 1929-7 4869 b Sonoma Kenwood; M.S. Baker residence, The Maples Comment
  CAS-BOT-BC371438  Trichostema lanceolatum Greg de Nevers 1997-8-17 11077 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  UC76182  Trichostema laxum Miss M. Alice King Sep 1896 Sonoma near Healdsburg Comment
  UCD125875  Trichostema laxum Herbert L. Mason 1946-7-4 12897 Sonoma 2 miles east of Occidental. Comment
  CAS-BOT-BC166757  Trifolium Peter Rubtzoff 1974-5-26 7486 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC166760  Trifolium Peter Rubtzoff 1970-9-13 6386 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA784990  Trifolium Peter Rubtzoff 1974-5-18 7421 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA784991  Trifolium Peter Rubtzoff 1974-5-18 7427 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCSC010632  Trifolium R. Morgan 2014-5-12 5637 a Sonoma Bodega Head Comment
  UC726770  Trifolium albopurpureum var. dichotomum A. A. Heller 1940-5-6 15590 Sonoma near Petrified Forest (roadside bank) Comment
  JEPS65855 Image available Trifolium amoenum Joseph P. Tracy 1921-5-13 5548 Sonoma near Petaluma; Northern Coast Ranges 15 Comment
  RSA216712  Trifolium amoenum Robert F. Hoover 1969-5-26 11349 Sonoma 2 miles S of Petaluma on Point Reyes Road Comment
  UCD107140  Trifolium amoenum P. G. Connors 1996-6-5 372 Sonoma Bodega Head and Dunes. Near Horseshoe Cove. Comment
  UCSC006120  Trifolium amoenum Randall Morgan 1996-1 Sonoma Comment
  UC630863  Trifolium barbigerum P. B. Kennedy June, 1915 Sonoma Del Mar northern county Comment
  UC1076192  Trifolium barbigerum Herbert L. Mason 1934-4-28 8095 Sonoma Hwy betw Healdsburg and Santa Rosa Comment
  UC16440  Trifolium bifidum var. bifidum H. N. Bolander 1864-1 3856 Sonoma Russian River Bed Comment
  UC631327  Trifolium bifidum var. bifidum P. B. Kennedy 1919-5-16 Sonoma Del Mar Comment
  CAS-BOT-BC368053  Trifolium ciliolatum Greg de Nevers 1998-5-12 11250 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC165614  Trifolium ciliolatum Milo S. Baker 1898-5-7 641 Sonoma Glen Ellen Comment
  SEINET7042676  Trifolium ciliolatum A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  SEINET12166389  Trifolium depauperatum H. K. Wagnon 1989-1 1851 Sonoma Spring Lake Park and environs. Adjacent to MOntgomery Drive 67 Comment
  CAS-BOT-BC361286  Trifolium fragiferum Greg de Nevers 1997-7-24 11071 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa At Double Ponds and Turtle Pond 400 Comment
  SEINET6165257 Image available Trifolium fucatum Unknown 1982-5-24 s.n. Sonoma Duncan's Landing Comment
  UC555451  Trifolium fucatum Herbert L. Mason 1926-3-20 2749 Sonoma s Calistoga (along rr right-of-way) Comment
  SEINET12166390  Trifolium glomeratum H. K. Wagnon 1989-1 1886 Sonoma Adjacent to Fort Ross School's reservoir- Timber Cove 122 Comment
  UC1130030  Trifolium gracilentum H. S. Yates 1934-4-21 3826 Sonoma near Duncan Mills; Duncan Mills quad 60 Comment
  UCD165150  Trifolium gracilentum Peter Rubtzoff 1974-5-18 7428 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  JEPS46058  Trifolium gracilentum var. gracilentum Eleanor Armstrong 1933-4-15 714 Sonoma Bodega Hill 18 Comment
  RSA78622  Trifolium grayi J. T. Howell 1943-5-10 17990 Sonoma 1 mile north of Windsor Comment
  UCD109772  Trifolium hirtum Frederica Bowcutt 1996-5-19 2122 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Lower Bald Mountain trail. 426 Comment
  UCSB31785  Trifolium hybridum Townsend, J. 1977-5-29 Sonoma West side Russian River about 1 mile south of Guerneville 335 Comment
  UCSC009217  Trifolium hydrophilum Randall Morgan 1998-5-25 2743 Sonoma Viansa Vineyard on west side of Highway 121, about 2 miles south of Highway 116, and approximately 6 miles north of Sears Point Comment
  RSA97611  Trifolium incarnatum Elsie Z. Longrone 1954-4-21 s.n. Sonoma [Unspecified] Comment
  UCD111236  Trifolium incarnatum Elsie Zeile Lovegrove 1954-4-21 s.n. Sonoma Near Sonoma. Comment
  JEPS128293  Trifolium microcephalum Roger Raiche 2005-4-22 012 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD161356  Trifolium microcephalum James A Neilson Jr. 1976-5-5 3696 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road. Aidlin-Gloved Leasehold, ca. 300 yards uphill from well site #1. (Coordinates and location estimated by label maker.) Comment
  UCD111423  Trifolium microcephalum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 63 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 259 Comment
  SEINET7096770  Trifolium microdon A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane off Occidental Road 1 mile east of Occidental. NAD27, 38? deg. 24' 25ao, -122?_ 55' 38ao (converted to WGS84 decimal degrees) UTM Zone 10, 566349mE, 4250771mN. Comment
  UCD165137  Trifolium microdon Peter Rubtzoff 1974-5-18 7421 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  JEPS85900  Trifolium obtusiflorum Jack and Betty Guggolz 1991-7-29 1218 Sonoma 2 mi n Camp Meeker (Upper Duvoul Creek) 121 Comment
  UC16687  Trifolium oliganthum Edward Lee Greene 1892-1 Sonoma Knights Valley Comment
  CDA121  Trifolium repens D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .277 Sonoma Cavedale Rd. Comment
  SEINET10829861  Trifolium truncatum A. Arthur Heller, H. E. Brown 1902-4-22 Heller s.n. Sonoma Between Santa Rosa and Agua Caliente. Comment
  UCD161358  Trifolium variegatum James A Neilson Jr. 1976-5-5 3717 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road. Aidlin-Gloved Leasehold, ca. 300 yards uphill from well site #1. (Coordinates and location estimated by label maker.) Comment
  UC494185  Trifolium variegatum var. variegatum H. E. and S. T. Parks 1930-5-9 612 Sonoma Knights Valley Comment
  RSA51332  Trifolium variegatum var. variegatum Peter H. Raven 1950-4-6 1609 Sonoma Lower slopes of Rincon Ridge, 4 miles to Sonoma from Santa Rosa. 244 Comment
  SBBG67275  Trifolium willdenovii H. E. Parks 1930-5-9 0621 Sonoma edge of Alexander Valley Comment
  UC165498  Trifolium willdenovii H. P. Chandler 1907-4-21 7525 Sonoma rd from Glen Ellen to Oakville Comment
  RSA216157  Triglochin maritima Peter Rubtzoff 1955-8-6 2023 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC520848  Trillium albidum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  UCR5896  Trillium chloropetalum Sue Freeman 1966-4-8 s.n. Sonoma San Francisco Bay region, Sebastopol, residence on 692 Sparks Road 73 Comment
  SEINET5083020  Trillium ovatum Unknown 1994-4-3 70 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  SEINET12050389  Trillium ovatum F. H. Utech, Knight, W.; Knight, I. 1988-1 88 -001 Sonoma WNW of Sebastapol, 0.2 mi S of Occidental Road on Furlough Road, Sturgeon's Mill 80 Comment
  CAS-BOT-BC521306  Trillium rivale A. A. Heller; H. E. Brown 1902-3-22 5127 Sonoma West of Sebastopol Comment
  UC27182  Triphysaria eriantha subsp. eriantha F. T. Bioletti May 1892 Sonoma Shellville Comment
  JEPS87248  Triphysaria eriantha subsp. eriantha Jack and Betty Guggolz 1991-5-27 1152 Sonoma found between Hwy 1 and the ocean just s of the s end Myers Grade 182 Comment
  UC1222442  Triphysaria versicolor subsp. faucibarbata Joseph P. Tracy 1931-3-29 9321 Sonoma Knights Valley; Northern Coast Ranges, Knights Valley 152 Comment
  UC27192  Triphysaria versicolor subsp. faucibarbata H. N. Bolander 1860-1 3850 Sonoma Mark West Comment
  UC726328  Triphysaria versicolor subsp. faucibarbata A. A. Heller 1940-4-22 15555 Sonoma in a grassy field at Windsor Comment
  UC1334862  Triphysaria versicolor subsp. versicolor L. D. Thurman 1965-5-3 665 Sonoma on State Highway #1, 2 mi n Bodega Bay; n of Bodega Bay Comment
  UCD93492  Trisetum canescens Beecher Crampton 1953-5-19 1297 Sonoma Sonoma County, 5 miles west of Calistoga, on Highway 128, at Napa County line. Comment
  UC53775  Trisetum cernuum State Survey June 1867 6465 b Sonoma Cloverdale Comment
  JEPS77861  Triteleia hyacinthina Robert M. Lloyd 1965-5-8 2625 Sonoma 3 mi n junction Highway 12 with Aqua Caliente Road (meadow across from Lawrence Triangle End Garage) Comment
  CAS-BOT-BC522358  Triteleia hyacinthina Peter Rubtzoff 1971-5-8 6439 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mile west of Arnold Drive Comment
  CAS-BOT-BC523026  Triteleia hyacinthina David D. Keck 1933-5-28 2322 Sonoma 3.4 miles east of Shellville (just east intersection of Sonoma road). Comment
  UCD160809  Triteleia laxa James A. Neilson Jr. 1973-6-6 2988 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  CAS-BOT-BC527034  Triteleia laxa Dorothy Scherer 1997-5-20 116 Sonoma Ca. 25' north of Hwt 1 MM. 34.00 and 50' east, Fort Ross State Historic Park 38 Comment
  CAS-BOT-BC527975  Triteleia peduncularis Peter Rubtzoff 1964-6-20 5363 Sonoma Laguna de Santa Rosa southwest of Sabastopol (nr. Cooper Rd.) Comment
  JEPS74717  Triteleia peduncularis Eleanor Armstrong May, 1932 516 Sonoma near small stream Camp Meeker, Sorrenti Ranch 106 Comment
  CAS-BOT-BC74107  Turritis glabra Alice Eastwood; John Thomas Howell 1938-5-15 5511 Sonoma Near Mark West Springs. Comment
  RSA187426  Ulex europaeus John H. Thomas 1966-3-22 11543 Sonoma In the vicinity of Bodega Comment
  RSA102075  Umbellularia californica John Reafield 1872-8-27 329 Sonoma Geyser Comment
  UC1515782  Umbellularia californica Baki Kasapligil 1966-8-10 3992 Sonoma Gaiserville 300 Comment
  UCD136928  Uropappus lindleyi Frederica Bowcutt 1994-5-21 1820 Sonoma About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa and 1.5 air miles NE of Kenwood. About 18 air miles northwest of Napa. Along meadow trail approximately 3/4 mile from trailhead. 411 Comment
  CAS-BOT-BC403977  Urtica dioica subsp. gracilis Peter Rubtzoff 1964-6-3 5344 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC403980  Urtica dioica subsp. gracilis Peter Rubtzoff 1958-9-1 3965 Sonoma Vacation Beach, near Guerneville. Sandy bank of Russian River Comment
  CAS-BOT-BC403981  Urtica dioica subsp. gracilis Peter Rubtzoff 1963-8-17 5227 Sonoma Russian River Mouth Marsh Comment
  RSA169297  Urtica dioica subsp. gracilis L. S. Rose 1964-6-3 64056 Sonoma N end of Bodega Bay. 2 Comment
  CAS-BOT-BC193386  Vaccinium ovatum Walter Knight; Irja Knight 1964-2-16 809 Sonoma Mill Creek Road west of Healdsburg Comment
  SJSU9483  Vaccinium ovatum G. J. Woodside 1969-4-29 Sonoma Dutton Bill Cr 4 mi above Camp Meeker at St Dorothy's Rest Comment
Read comments
Apr 30 2012
  UC419732  Vaccinium parvifolium Mrs. H. P. Bracelin 1930-7-27 22 Sonoma 1 mi N of Fort Ross Comment
  CAS-BOT-BC199472  Vaccinium parvifolium L. R. Abrams 1920-7-3 7595 Sonoma Gualala River Comment
  CAS-BOT-BC76163  Vancouveria planipetala J. W. Congdon 1880-5-17 s.n. Sonoma Guerneville. Comment
  CAS-BOT-BC76164  Vancouveria planipetala J. W. Congdon 1892-5-30 s.n. Sonoma Cazadero. Comment
  JEPS78949  Vancouveria planipetala Edward Lee 1936-6-8 2218 Sonoma Smith Creek Road Bohemian Grove Comment
  UCD95096  Vancouveria planipetala K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  JEPS62207  Veratrum fimbriatum Milo S. Baker 1920-9-20 Sonoma 2 mi n Stewart's Point Comment
  RSA201200  Verbascum virgatum Walter Knight, Pat Watters 1963-7-19 s.n. Sonoma Gravenstein Highway inersection with US 101 Freeway, Cotati. Comment
  CDA31033  Verbena lasiostachys var. scabrida D. G. Kelch, Troy McGregor 2010-8-22 10 .35 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  CDA42023  Veronica americana T. C. Fuller 1958-5-24 3989 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  RSA94356  Veronica americana Peter Rubtzoff 1951-6-9 151 Sonoma Northern half of Lower Marsh. Comment
  RSA264765  Veronica anagallis-aquatica Peter Rubtzoff 1964-5-31 5327 Sonoma Fitch Mtn Grove, 2 mi east of Healdsburg. Margin of Russian River. Comment
  RSA0021068  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1966-4-17 5680 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. 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
  UC353801  Veronica scutellata Milo S. Baker 1928-4-28 3006 a Sonoma Pitkin Swamp Comment
  CAS-BOT-BC267246  Viburnum ellipticum Greg de Nevers 1987-5-11 8177 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  JEPS12695  Viburnum ellipticum Miss R. Kuhn May 1914 Sonoma Sonoma Comment
  RSA799984  Vicia Peter Rubtzoff 1973-8-27 7265 Sonoma Upper Green Valley Marsh. Comment
  RSA799985  Vicia Peter Rubtzoff 1974-5-25 7457 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC257977  Vicia Peter Rubtzoff 1974-5-26 7500 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UC424791  Vicia americana var. americana unknown Apr 1930 4847 a Sonoma near Plantation Comment
  RSA29231  Vicia angustifolia Joseph A. Ewan 1935-5-13 9277 Sonoma 3 miles W of Santa Rosa on Sebastopol Road. Comment
  SEINET12165197  Vicia angustifolia F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -225 Sonoma Valley Ford, junction of CA 1 & Valley Ford-Freestone highway, along Ebabias Creek 30 Comment
  UCR255688  Vicia benghalensis Greg de Nevers 1998-4-27 11205 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 197 Comment
  UCR255891  Vicia hirsuta Greg de Nevers 1993-5-6 10425 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC366881  Vicia lutea Greg de Nevers 1994-5-21 10524 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Between Mountain House and Al Cuneo's. 400 Comment
  RSA29239  Vicia sativa Joseph A. Ewan 1935-5-13 9245 Sonoma 2.5 miles west of Santa Rosa: Sebastopol Road. Comment
  RSA0065197  Vicia tetrasperma Greg de Nevers 1993-7-4 10471 Sonoma Willow Creek drainage downhill from 18375 Willow Creek Rd. 244 Comment
  RSA0057958  Vicia villosa subsp. villosa Greg de Nevers 1998-4-27 11205 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  POM130069  Vinca major A. A. Heller, H. E. Brown 1902-4-17 s.n. Sonoma Hills at Santa Rosa Comment
  RSA264712  Vinca major Peter Rubtzoff 1974-4-6 7362 Sonoma Salmon Creek canyon 0.25 mi. south of Freestone. Comment
  CAS-BOT-BC270248  Viola adunca Peter Rubtzoff 1977-11-26 9147 Sonoma On E side of Highway 1 ca 1.5 miles NW of junction of the road to Fort Ross State Historic Park Comment
  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
  UC1023467  Viola adunca Leo Koch 1939-4-8 496 Sonoma near Plantation; North Bay, Baxman Ranch Comment
  UC540629 Image available Viola adunca subsp. ashtoniae Milo S. Baker 1933-4-8 7348 Sonoma Kenwood Garden Kenwood; Kenwood, Sonoma Co. Comment
  CAS-BOT-BC536902  Viola glabella Volney Rattan 1880-4-1 s.n. Sonoma Duncans Mill Comment
  CAS-BOT-BC536909  Viola glabella Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  RSA80501  Viola lobata subsp. integrifolia Milo S. Baker 1942-6-11 10205 Sonoma Summit of Spring mtn, road near boundary between Sonoma and Napa Cos. Comment
Read comments
Jun 10 2012
  UC19289  Viola lobata subsp. lobata F. P. McLean May 1872 Sonoma woods near Geyser Comment
  UC496479  Viola ocellata Merle Randall 1930-6-8 Sonoma Cazadero Comment
  SBBG53029  Viola purpurea M. R. Benedict 1978-4-18 Sonoma Skaggs Spring Rd, above Warm Springs dam site Comment
  UC19359  Viola sempervirens J. Burtt Davy 1896-3-14 1666 Sonoma Cazadero Comment
  UC1784157  Viola sempervirens Milo S. Baker 1926-12-3 s.n. Sonoma Pocket Canyon Comment
  SEINET12230244  Viscum album W. O. McCartney 1966-1 s.n. Sonoma NW corner of Mill Station Road and Gravestein North Highway, Sebastopol Comment
  SEINET12230473  Viscum album H. K. Wagnon 1989-1 1850 Sonoma from a broken-off plant at the base of a large tree, Luther Burbank Farm, Sbastopol Comment
  CAS-BOT-BC203124  Vitis californica Walter Knight; Irja Knight 1963-9-1 134 Sonoma Along 1st stream up from County Dump on Pine Mt Rd NE of Cloverdale Comment
  CAS-BOT-BC203132  Vitis californica H. E. McMinn 1922-6-7 188 Sonoma Stream entering Russian River - 2 1/2 mi. from Cosmo Comment
  SEINET10691494  Vitis californica A. Arthur Heller 1902-6-24 Heller 5760 Sonoma Near Burke's Sanitarium. Comment
  CAS-BOT-BC199906  Vulpia bromoides Peter Rubtzoff 1955-6-4 1899 Sonoma Stony Point Marsh Comment
  CAS-BOT-BC199917  Vulpia bromoides Peter Rubtzoff 1952-6-10 1205 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC199894  Vulpia bromoides Mary P. Wells 1985-4-27 508 a Sonoma Monan's Rill, no. of St. Helena Road southeast of Calistoga Road Comment
  CAS-BOT-BC184597  Vulpia microstachys var. pauciflora Greg de Nevers 1990-5-1 9669 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. West of Three Tree Hill 457 Comment
  UCD94914  Vulpia myuros Peter H. Raven 1950-4-6 1549 Sonoma Cotati to Santa Rosa. Comment
  UC903742  Vulpia myuros var. hirsuta Milo S. Baker 1947-5-5 11725 Sonoma s slope Hood Mt. (above Baker ranch) 213 Comment<