Search Results — 2000 specimen records retrieved (1270 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/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC383909  Abronia latifolia Mrs. H. C. Cantelow 1940-4-20 4023 Sonoma N. of Bay nr mouth of Salmon River Comment
  RSA0025741  Abronia latifolia J. R. Bruff 1936-07 s.n. Sonoma Bodega Bay. Comment
  UCD137235  Acaena pinnatifida var. californica Javier Jauregui L.; Dan Potter 2013-6-28 1 Sonoma Santa Rosa. 7806 Bennett Valley Road. 210 Comment
  CAS-BOT-BC332751  Acer macrophyllum A. A. Heller; H. E. Brown 1902-3-21 5111 Sonoma Hills SE of Santa Rosa Comment
  UCR2992  Acer macrophyllum Wm. Horn Jr. 1963-4-10 630410- 3 Sonoma San Francisco Bay Region, 4 mi west of Sebastopol, 40 yd north of Bodega Hwy Comment
  UCD117035  Acer macrophyllum Loredo-Prendeville; Canon 1993-4-24 53 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. Road at confluence of Sonoma and Bear Creeks. 195 Comment
  CDA42344  Acer negundo D. G. Kelch 2012-5-2 12 .069 Sonoma Dry Creek Valley; near Preston Organic Winery along tributary of Dry Creek. Comment
  SEINET11842967  Achillea borealis subsp. californica F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -228 Sonoma end of Stoetz Road 200 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-BC30079  Achillea millefolium D. E. Breedlove 1962-6-6 2894 Sonoma along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC30085  Achillea millefolium Alice Eastwood 1915-6-29 4805 Sonoma Bodega Point Comment
  CAS-BOT-BC30089  Achillea millefolium Mary P. Wells 1982-8-21 125 Sonoma Salt Point State Park, south end of parking lot Comment
  UCD128365  Achillea millefolium Rimy Waraich; Patti Togioka 1993-5-8 236 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. 365 Comment
  CAS-BOT-BC400006  Achlys triphylla Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  UC65343  Achyrachaena mollis A. A. Heller 1902-4-16 5304 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
  UCD104198  Acmispon grandiflorus var. grandiflorus P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UCD104493  Acmispon wrangelianus Mary M. Hektner 1974-6-2 11 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC496395  Adenocaulon bicolor Merle Randall 1930-11-6 Sonoma Cazadero Comment
  CAS-BOT-BC139921  Adenostoma fasciculatum Walter Knight; Irja Knight 1963-8-23 193 Sonoma Joost Ranch, Calistoga Rd. Comment
  UCD137211  Adiantum jordanii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 56 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Comment
  SEINET12237259  Aesculus californica F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -074 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 107 Comment
  UC26063  Agastache urticifolia Michener and Bioletti 1892-7-5 Sonoma Skagg's Springs Comment
  CAS-BOT-BC183  Agoseris apargioides var. eastwoodiae Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  UCD160829  Agoseris grandiflora James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3273 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC15398  Agoseris grandiflora var. grandiflora G. DeNevers 1981-4-30 900 Sonoma Near the Studio. Also in Pippindale Garden, Pepperwood Ranch Comment
  UCD161266  Agoseris retrorsa James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3710 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC210018  Agrostis Peter Rubtzoff 1968-6-19 5889 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  RSA785907  Agrostis Peter Rubtzoff 1977-9-4 9130 Sonoma Cunningham Marsh area. Ca 1 air mile WSW of Cunningham Station Comment
  UCD166331  Agrostis Peter Rubtzoff 1968-6-19 5889 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  SEINET10717807  Agrostis P. Rubtzoff 1968-7-13 Rubtzoff 5918 Sonoma Upper Salmon Creek Marsh. Comment
  UCD103560  Agrostis blasdalei John Thompson 2008-5-8 s.n. Sonoma Off the coast opposite Sea Ranch. On largest rock island opposite Shell Beach. Land owned by BLM. 5 Comment
  UCD37152  Agrostis densiflora Beecher Crampton 1957-7-11 4331 Sonoma Sonoma County, 0.9 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD51972  Agrostis densiflora P. B. Kennedy Date Unknown s.n. Sonoma Del Mar. Comment
  UCD52011  Agrostis densiflora Beecher Crampton 1957-7-22 4359 Sonoma 2 miles north of Stewart's Point, State Hwy. 1. Comment
  CAS-BOT-BC126978  Agrostis exarata R. F. Hoover 1966-7-17 9415 Sonoma Sausal Creek north of Alexander Valley. Comment
  POM207134  Agrostis exarata A. A. Heller 1902-6-4 5641 Sonoma Santa Rosa Comment
  UCD161760  Agrostis exarata James A. Neilson Jr. 1975-7-8 3393 Sonoma Mayacmas Mountains; western portion of Geyser Rock.(Coordinates and elevation estimated by label maker.) 1066 Comment
  UCD36636  Agrostis exarata Beecher Crampton 1955-6-8 2830 Sonoma Sonoma County, at Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  UC1011207  Agrostis hallii Virginia Bufford 1936-5-21 370 Sonoma near Skaggs Springs Comment
  UC576270  Agrostis hallii H. S. Yates 1936-5-16 5582 Sonoma one mi ne Graton; Sebastopol Quad. 30 Comment
  UCD37347  Agrostis hallii Beecher Crampton 1959-6-16 5376 Sonoma Sonoma County, 1 mile east of Occidental. Comment
  UCR152268  Agrostis hallii Beecher Crampton 1959-6-16 5376 Sonoma 1 mi east of Occidental Comment
  RSA129611  Agrostis microphylla H. S. Yates 1937-5-30 6550 Sonoma 1/2 mile E of Occidental 91 Comment
  UC1102746  Agrostis microphylla A. R. Kruckeberg 1949-6-4 1750 Sonoma along Ida Clayton Road Comment
  UCD148468  Agrostis microphylla Peter Rubtzoff 1964-6-24 5368 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC139116  Agrostis oregonensis Peter Rubtzoff 1951-6-16 261 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC139121  Agrostis oregonensis Peter Rubtzoff 1951-6-16 254 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  SEINET4341234  Agrostis oregonensis A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC138920  Agrostis pallens G. DeNevers 1981-6-6 1483 Sonoma Pepperwood Ranch. South slope of Telegraph Hill. Comment
  UCD53195  Agrostis pallens P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC138593  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma Sonoma county coast, 5 miles south of Stewart Point. Comment
  UC53500  Agrostis stolonifera Jos. Burtt Davy 1899-7-22 6003 Sonoma Guernville Guerneville Comment
  CAS-BOT-BC47988  Ailanthus altissima Greg de Nevers 1992-6-26 10185 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek. 91 Comment
  UCD55696  Aira caryophyllea Beecher Crampton 1957-7-11 4293 Sonoma Roadbank along State Hwy. 1, 1.4 miles southeast of Bodega Bay. Comment
  CAS-BOT-BC138391  Aira caryophyllea var. capillaris Mabel Wiesendanger 1927-5-5 712 Sonoma Sonoma. Comment
  CAS-BOT-BC138217  Aira caryophyllea var. caryophyllea Alice Eastwood 1915-6-29 s.n. Sonoma Bodega Point. Comment
  CAS-BOT-BC138207  Aira caryophyllea var. caryophyllea John H. Thomas 1976-6-16 18338 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC445347  Alisma lanceolatum Peter Rubtzoff 1962-9-9 5074 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC445461  Alisma triviale Peter Rubtzoff 1956-9-11 2846 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC445472  Alisma triviale Volney Rattan 1879-1-1 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC368055  Allium amplectens Greg de Nevers 1998-5-19 11252 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Franz Valley Road 400 Comment
  CAS-BOT-BC462381  Allium amplectens Milo S. Baker 1927-6-10 2211 a Sonoma Macartney Woods Comment
  CAS-BOT-BC469102  Allium dichlamydeum Milo S. Baker 1932-5-3 5948 Sonoma 1 mile north of Salmon Creek Comment
  SEINET3884472  Allium dichlamydeum D. W. McNeal 1968-6-15 411 Sonoma 13.3 mi. n. of Fort Ross.; 0 Comment
  CDA19075  Allium triquetrum G. Bjork 2001-4-4 PDR 117291 Sonoma North Coast Ranges; on Copperfield Ct., Santa Rosa. 0 Comment
  CAS-BOT-BC474310  Allium unifolium Peter Rubtzoff 1958-5-10 3646 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Road) Comment
  RSA129280  Alopecurus aequalis var. sonomensis H. S. Yates 1937-5-30 6555 Sonoma 1.5 miles E. of Occidental. 91 Comment
  CAS-BOT-BC137902  Alopecurus saccatus Peter Rubtzoff 1969-5-24 6066 Sonoma Vernal pool 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  JEPS45802  Alopecurus saccatus Eleanor Armstrong 1932-6-4 186 Sonoma 5 mi. w. Graton (<Schlackey> Flat) 30 Comment
  JEPS68433  Alopecurus saccatus R. Kuhn 1913-4-15 Sonoma Sonoma Comment
  RSA262221  Alopecurus saccatus Peter Rubtzoff 1969-5-24 6066 Sonoma 6.5 mi. northeast of Penngrove, on Lichau Road. 427 Comment
  UCD55917  Alopecurus saccatus Milo Baker 1941-6-1 s.n. Sonoma somewhere on coast. Comment
  CAS-BOT-BC44967  Ambrosia chamissonis Mary P. Wells 1981-7-1 s.n. Sonoma Goat Rock State Beach Comment
  SEINET5710304  Ambrosia chamissonis Michael Fleschner 1965-1 s.n. Sonoma University of California Marine Biology Laboratory, Bodega Bay.; Bodega Bay Comment
  JEPS117084  Amelanchier alnifolia var. semiintegrifolia Peter Warner 2010-4-15 133 Sonoma Jenner Headlands, Sonoma Land Trust property, ~ 300 m E of primary access road (Willig Ave. extension), at corral gate near house, ~ 1 km N of Jenner village, on rock outcrop in grassland. Comment
  UC466778  Amelanchier utahensis H. P. Chandler 1907-4-27 7546 Sonoma St. Helena to Santa Rosa via Spring Mt. Comment
  RSA790996  Ammannia Peter Rubtzoff 1972-8-26 6860 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC137887  Ammophila arenaria Catherine Best 1981-5-2 s.n. Sonoma On the south side of the mouth of the Russian River. Comment
  CAS-BOT-BC177226  Amorpha californica var. napensis A. A. Heller 1902-6-24 5757 Sonoma Near Burke's Sanitarium Comment
  SEINET7062934  Amorpha californica var. napensis A. G. Vestal 1947-5-16 s.n. Sonoma About 8.2 miles east of Windsor on Porter Creek Road. UTM Zone 10, 528660mE, 4266821mN. (WGS84/NAD83). 329 Comment
  UC13282  Amorpha californica var. napensis Joseph Burtt Davy and Walter C. Blasdale 1899-7-22 6007 B Sonoma Austin Creek Comment
  CAS-BOT-BC222287  Amsinckia John Thomas Howell 1934-3-25 11776 Sonoma Lakeville Comment
  UC1178201  Amsinckia intermedia Francia Chisaki with R. Ornduff and H. G. Baker 1958-4-26 1122 Sonoma on road to Calistoga (2.9 mi n of junction with Hwy #12, junction e of Santa Rosa) Comment
  UC486489  Amsinckia intermedia H. E. and S. T. Parks 1930-5-9 609 Sonoma Knights Valley Comment
  UCD119719  Amsinckia lycopsoides K. Esau 1932-2-28 s.n. Sonoma Petaluma. Comment
  SBBG21166  Amsinckia spectabilis V. Haraden 1941-7-13 5 Sonoma Bodega Bay 15 Comment
  UC1084536  Amsinckia spectabilis Peter Kamb Ray 1952-5-30 2298 s Sonoma Hill 108 between Horseshoe Cove and Mussel Point (n end Bodega Bay); Bodega Head 30 Comment
  UC725783  Amsinckia spectabilis A. A. Heller 1940-5-17 15629 Sonoma n of Bodega Bay Comment
  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
  UCD117429  Anagallis arvensis Jennifer Bury; Peggy Herzog 1993-5-8 297 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile. On Bald Mountain Stem Trail. 371 Comment
  UCD144664  Anagallis arvensis Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 69 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road. 259 Comment
  CAS-BOT-BC45277  Ancistrocarphus filagineus H. L. Mason 1934-4-28 8093 Sonoma Jensen's Ranch, Dohrmann Creek Comment
  UCD56056  Andropogon glomeratus Walter Knight; Irja Knight 1968-1-1 2265 Sonoma on Sulphur Creek, Geysers Resort. Comment
  JEPS74598  Andropogon glomeratus var. scabriglumis L. R. Heckard 1974-8-21 3825 B Sonoma s.-central part near end of Templeton rd. Pitkin Marsh Comment
  CAS-BOT-BC137787  Andropogon virginicus var. virginicus John Thomas Howell; J. W. Stacy 1936-7-26 12671 Sonoma Pitkin Marsh, 5 miles north of Sebastopol. Comment
  CAS-BOT-BC391876  Anemone grayi Ella Dales Cantelow 1939-4-10 2602 Sonoma About 3 mi. w. [or n.] of Plantation School House Comment
  CDA38226  Angelica hendersonii T. C. Fuller 1957-9-24 398 -57 Sonoma Stewarts Point. 0 Comment
  CAS-BOT-BC102230  Anthemis cotula Peter Rubtzoff 1952-6-10 1235 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  SEINET11843058  Anthemis cotula W. Knight, Knight, I. 1984-1 5423 Sonoma on Willow Creek Road 61 Comment
  POM311191  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma along Highway 101, north of Windsor. Comment
  CAS-BOT-BC280662  Anthoxanthum occidentale Roxana S. Ferris; Laura Lorraine 1961-6-14 13538 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  UCD85341  Anthoxanthum occidentale Roxana S. Ferris; Laura Lorraine 1961-6-14 13538 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway. Comment
  UC1011019  Anthoxanthum odoratum Virginia Bufford 1936-5-1 178 Sonoma 2 mi above Duncan's Mill Comment
  UCD56259  Anthoxanthum odoratum Leo Koch 1940-4-22 841 Sonoma North Bay Counties, along Highway 101, north of Windsor. Comment
  SEINET3918446  Anthoxanthum odoratum Fred W. Hoffman 1941-6-15 2150 Sonoma North Coast Ranges. Eckert Ranch near Salt Point, Sonoma Coast.; 0 Comment
  UC249613  Anthriscus caucalis Joseph P. Tracy 1921-5-26 5799 Sonoma near Cloverdale (on road towards Hopland); Northern Coast Ranges 304 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
  CDA5342  Anthriscus caucalis T. C. Fuller 1967-6-7 15932 Sonoma Matheson property, Upland Road, 2 miles north & 1 mile west of Petaluma. 0 Comment
  UC1239001  Antirrhinum vexillocalyculatum subsp. breweri Freed W. Hoffman 1948-6-16 2699 Sonoma Red Slide North Coast Ranges, East Austin Creek (upper East Austin Creek) Comment
  CDA41216  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum T. C. Fuller 1958-5-24 4015 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  POM14617  Antirrhinum virga A. A. Heller 1902-6-26 5775 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CDA36839  Aphanes occidentalis 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
  UC12042  Aphanes occidentalis F. T. Bioletti 1894-1 Sonoma Hood's Peak Comment
  UC629783  Apocynum androsaemifolium Milo S. Baker 1939-5-19 9334 Sonoma Gravenstein Hwy. ca. 1 mi. s. of Sousa's Cornera Comment
  UC726166  Apocynum cannabinum A. A. Heller 1902-6-22 5732 Sonoma Santa Rosa Comment
  UC465565  Aquilegia Milo S. Baker 1903-10-1 Sonoma along grade to Clayton Place Hood Mt. Comment
  CAS-BOT-BC394989  Aquilegia formosa D. E. Breedlove 1980-6-28 44802 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC1084439  Arbutus menziesii G. Thomas Robbins 1940-3-21 299 Sonoma 5-6 mi e of Windsor (along Chalk Hill Road); Chalk Hill Road 91 Comment
  UCD117476  Arbutus menziesii Jennifer Bury; Peggy Herzog 1993-5-8 266 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 100 ft. above parking lot, on Lower Bald Mountain Trail. 402 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
  RSA629203  Arctostaphylos Jon E. Keeley 1993-9-11 24780 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629208  Arctostaphylos Jon E. Keeley 1993-9-11 24792 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629222  Arctostaphylos Jon E. Keeley 1993-9-11 24773 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388335  Arctostaphylos Freed W. Hoffman 1947-3-11 822 Sonoma Duvoul Creek North Coast Ranges (a branch of Dutch Bill Creek) Comment
  UC535017  Arctostaphylos H. F. Copeland 1933-3-18 A 14 Sonoma on College Ave. Hwy w Santa Rosa; Vine Hill region Comment
  CAS-BOT-BC24125  Arctostaphylos bakeri Roger Raiche 1985-9-29 50899 Sonoma NE end of town of Healdsburg on Reservoir Hill. 121 Comment
  CDA11253  Arctostaphylos bakeri G. F. Hrusa, G. L. Stebbins, D. Keil, V. L. Holland 1994-6-5 11876 Sonoma North Coast Biodiversity Arena; Approx. 1 m. N of Camp Meeker on Bohemian Hwy. 0 Comment
  UC1388373  Arctostaphylos bakeri Freed W. Hoffman 1947-3-11 823 Sonoma ne Camp Meeker; North Coast Ranges Comment
  CDA38593  Arctostaphylos bakeri Jim Jokerst 1989-4-13 3095 Sonoma NE side of Hawson Grade Rd 0.4 mi N of its junction with Stoetz Rd., ca. 1 mi NE of Camp Meeker, N of Occidental, W of Santa Rosa. Comment
  SBBG33672  Arctostaphylos bakeri subsp. bakeri C. Bornstein, E. Collins 2006-8-23 Sonoma Harrison Grade Rd, ca. 1 mi S of jct with Green Valley Rd 158 Comment
  SDSU1487  Arctostaphylos bakeri subsp. bakeri D. F. Howe 1969-6-8 4635 Sonoma 3.8 miles east of Occidental. 274 Comment
  SBBG83949  Arctostaphylos bakeri subsp. sublaevis R. Raiche 1982-4-10 20301 b 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 "The Cedars."); N of Cazadero Comment
Read comments Oct 17 2013
  SEINET11987356  Arctostaphylos canescens W. Knight, Knight, I. 1981-1 3986 Sonoma 4.2 mi up Cavedale Rd from jct of CA 12 Comment
  CAS-BOT-BC23970  Arctostaphylos canescens subsp. canescens Mrs. H. C. Cantelow 1940-4-6 3781 Sonoma On Triniti road w. of Boyes Spring Comment
  CAS-BOT-BC23971  Arctostaphylos canescens subsp. canescens A. A. Heller; H. E. Brown 1902-3-27 s.n. Sonoma Western base of Mt. Hood Comment
  RSA177924  Arctostaphylos canescens subsp. canescens R. F. Thorne 1965-4-20 34376 Sonoma 4 mi. up Cavedale Rd., ca. 6 mi. N of Sonoma. 457 Comment
  CAS-BOT-BC23900  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12894 Sonoma Rincon Ridge, northeast of Santa Rosa Comment
  UC570377  Arctostaphylos canescens subsp. sonomensis Chas. M. Belshaw 1936-3-8 1577 Sonoma 3/4 mi sw County Farm; North Coast Range, Rincon Ridge 152 Comment
  UC909881  Arctostaphylos canescens subsp. sonomensis J. E. Adams 1935-3-1 1025 Sonoma e Sta. Rosa; Rincon Ridge Comment
  CAS-BOT-BC23601  Arctostaphylos columbiana Carl B. Wolf 1927-9-2 1343 Sonoma 2 miles south of Anchor Cove. 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
  OBI14762  Arctostaphylos columbiana H. E. McMinn 1938-6-20 5127 Sonoma Stewarts Point to Gualala Comment
  UC1388311  Arctostaphylos columbiana Freed W. Hoffman 1947-12-1 2747 Sonoma Salt Point North Coast Ranges Comment
  CAS-BOT-BC23649  Arctostaphylos columbiana Alisa S. M. McKenzie 1981-1-29 24 Sonoma Coast between Russian and Gualala Rivers. Calif. State Hwy. #1 at marker #44.55; Comment
  CAS-BOT-BC25020  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill Schoolhouse. 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
  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
  SD107652  Arctostaphylos densiflora Walter Knight, Irja Knight 1980-12-23 3858 Sonoma California Native Plant Society's preserve on Vine Hill School Road. Comment
  SEINET2028697 Image available Arctostaphylos densiflora H. F. Copeland 1933-3-18 a 5 Sonoma Near Vine Hill school house Comment
  UC1084443  Arctostaphylos densiflora G. Thomas Robbins 1940-3-22 303 Sonoma ca 8.5 mi w Santa Rosa (apple orchard along Guerneville rd); Vine Hill region 45 Comment
  UC1120148  Arctostaphylos densiflora C. M. Belshaw 1936-3-7 1567 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC1281202  Arctostaphylos densiflora H. E. McMinn 1936-4-5 4412 Sonoma just w Vine Hill School (16 mi w of Santa Rosa) Comment
  UC518978  Arctostaphylos densiflora J. Clausen 1933-3-26 743 Sonoma 10 mi w Santa Rosa (along road); Vine Hill Schoolhouse Comment
  SEINET11987218  Arctostaphylos densiflora W. Knight, Knight, I. 1980-1 3856 Sonoma along Vine Hill Rd across from McConnell's place Comment
  SEINET11988292  Arctostaphylos densiflora Unknown 1957-1 247 Sonoma Vine Hill School Rd, 0.1 mi E of jct with Vine Hill Rd Comment
  UC1120213  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-3-8 1575 Sonoma 1 1/2 mi n County Farm; Santa Rosa Quadrangle, Ricon Ridge Comment
  UC876408  Arctostaphylos glandulosa subsp. glandulosa Milo S. Baker Mar 1930 7332 Sonoma College Ave. Hwy Vine Hill Region Comment
  CAS-BOT-BC24717  Arctostaphylos glandulosa subsp. glandulosa Roger Raiche 1985-9-30 50905 Sonoma Santa Rosa, near end of Parker Hill Road. 243 Comment
  SEINET11993339  Arctostaphylos hispidula Unknown 1984-1 RR 40016 Sonoma Rockpile Road, 9.1 mi N from its intersection & beginning at Skaggs Springs-Stewarts Point Rd 503 Comment
  UCD59406  Arctostaphylos hispidula Roger Raiche 1984-1-14 RR 40018 Sonoma Kelly Road (about 5.3 miles northwest from its intersection with Rockpile Road). About 1/4 mile off road between Sonoma Lake and Anapolis 518 Comment
  CAS-BOT-BC38983  Arctostaphylos manzanita Roger Raiche 1982-11-20 20859 Sonoma East Austin Creek State Rec Area, North-facing slope of mostly barren serpentine Gilliam Ridge below Redwood Lake. Comment
  CAS-BOT-BC38987  Arctostaphylos manzanita Roger Raiche; Steve Edwards; Walter Knight; Irja Knight 1983-7-3 4753 Sonoma Near Cazadero, The Cedars, population samples from north end of 10 acre study area. 274 Comment
  CAS-BOT-BC38993  Arctostaphylos manzanita Roger Raiche 1982-11-21 20862 Sonoma Serpentine ridge above Gilliam Creek, East Austin Creek State Rec. Area Comment
  OBI54985  Arctostaphylos manzanita H. F. Copeland 1933-3-18 A 14 Sonoma Vine Hill region on College Ave hwy, W of Santa Rosa Comment
  SBBG119553  Arctostaphylos manzanita C. Bornstein, E. Collins 2006-8-24 Sonoma Rincon Ridge Park Sensitive Area, Park Gardens Drive off Rincon Ridge Drive 259 Comment
  SEINET2029878 Image available Arctostaphylos manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 miles west of Santa Rosa Comment
  SEINET11987219  Arctostaphylos manzanita W. Knight, Knight, I. 1980-1 3857 Sonoma S end of Vine Hill Rd (E side) near Graton Comment
  SEINET11989192  Arctostaphylos manzanita S. W. Edwards 1982-1 s.n. Sonoma The Cedars Ridge N of Cazadero, NW of King Ridge Road at source of Big Austin Creek Comment
  SEINET11990980  Arctostaphylos manzanita Unknown 1982-1 20862 Sonoma above Gilliam Creek, East Austin Creek State Rec. Area Comment
  SEINET11993337  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4753 Sonoma The Cedars, near Cazadero, on Twitchell Ranch 274 Comment
  SEINET11987267  Arctostaphylos manzanita subsp. bakeri J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4101 Sonoma Strybing Arboretum, Golden Gate Park, San Francisco, orig. from near Occidental Comment
  CAS-BOT-BC38903  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7949 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38907  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11305 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38913  Arctostaphylos manzanita subsp. elegans E. A. Goldman 1907-12-29 71 Sonoma Mt. St. Helena, southeast slope 1219 Comment
  CAS-BOT-BC38677  Arctostaphylos manzanita subsp. manzanita Stephen W. Edwards; Roger Raiche; Walter Knight; Irja Knight 1983-7-3 4751 Sonoma The Cedars, on serpentinite, near Cazadero. 274 Comment
  CAS-BOT-BC38683  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1932-3-18 A 4 Sonoma Rincon Ridge, north of Santa Rosa Comment
  CAS-BOT-BC38687  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5762 Sonoma Rincon Ridge near Santa Rosa Comment
  CAS-BOT-BC38697  Arctostaphylos manzanita subsp. manzanita Aven Nelson; Ruth Ashton Nelson 1933-5-14 549 Sonoma Open woods on the hillsides of Kenwood, Baker's Home Comment
  CAS-BOT-BC38725  Arctostaphylos manzanita subsp. manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1073 Sonoma .2 mile along Wine Creek Road from west Dry Creek Road, near Healdsburg Comment
  RSA655453  Arctostaphylos manzanita subsp. manzanita Beecher Crampton 1955-6-17 2978 Sonoma 2.4 miles south of Monte Rio, road to Camp Meeker. Comment
  UC909869  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-28 727 Sonoma 4 or 5 mi from Seaview (Cazadero Rd) Comment
  CAS-BOT-BC38693  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight; Jacob Sigg 1981-3-11 4158 Sonoma From Strybing Arboretum, Golden Gate Park, San Francisco, #68-88, via Univ. of Cal. Davis, their #67.718. Comment
  CAS-BOT-BC45398  Arctostaphylos nummularia Mary P. Wells 1983-8-3 154 Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch. Comment
  CAS-BOT-BC56921  Arctostaphylos nummularia Mary P. Wells 1983-8-4 s.n. Sonoma Stump Beach, Salt Point State Beach Comment
  UC549421  Arctostaphylos nummularia J. E. Adams 1934-3-28 741 Sonoma s McNamees Store Comment
  UC549524  Arctostaphylos nummularia J. E. Adams 1934-6-9 830 Sonoma coastal bluffs near McNamees Store Comment
  POM209914  Arctostaphylos patula H. F. Copeland 1932-3-18 A- 4 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  CAS-BOT-BC43882  Arctostaphylos stanfordiana John Thomas Howell 1933-4-2 10950 Sonoma 8 miles west of Santa Rosa Comment
  CAS-BOT-BC47348  Arctostaphylos stanfordiana R. F. Hoover 1963-1-12 8547 Sonoma Cavedale Rd., Hoods Peak Range. Comment
  CAS-BOT-BC47350  Arctostaphylos stanfordiana A. A. Heller; H. E. Brown 1902-3-27 5171 Sonoma Western base of Mt. Hood. From type region. Comment
  CDA11229  Arctostaphylos stanfordiana G. F. Hrusa 1989-1-1 5798 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. up Cavedale Rd. from Hwy 12 near Kenwood. Comment
  UC1388317  Arctostaphylos stanfordiana Freed W. Hoffman 1947-4-13 782 Sonoma near Guerneville; North Coast Ranges, Gilliam Creek, Magnesite Lodge Comment
  UCR74384  Arctostaphylos stanfordiana G. Fred Hrusa 1989-1-24 5805 Sonoma Along Ida Clayton Rd. on NW slope of Mt. St. Helena 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
  JEPS95234  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  UCD51002  Arctostaphylos stanfordiana subsp. decumbens Roger Raiche 1985-2-3 50041 Sonoma Sonoma County, California, unnamed ridge west side of Dry Creek Valley, n of Crane Cr. and s of Bradford Mt Comment
  JEPS73685  Arctostaphylos stanfordiana subsp. stanfordiana L. R. Heckard 1968-2-25 1753 Sonoma along Cavedale Road about 5 mi from its junction with the Sonoma-Kenwood Road (edge of Macnab Cypress area, western slope of Hooker Canyon (head of)); w slope of Hooker Canyon (head of) 548 Comment
  POM367459  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A- 11 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  UC549531  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 747 Sonoma 1 mi s McNamees Store Comment
  RSA202099  Arctostaphylos viscida Freed W. Hoffman 1947-9-29 513 Sonoma Layton Mine, Austin Creek. Comment
  UCD52446  Arctostaphylos viscida Freed W. Hoffman 1947-9-29 513 Sonoma Layton Mine, Austin Creek, Sonoma County. Comment
  UCD52206  Arctostaphylos viscida Freed W. Hoffman 1947-2-28 762 Sonoma Near Guerneville, Sonoma County. Comment
  UC1121430  Arctostaphylos viscida subsp. pulchella A. E. Wieslander 1938-10-29 849 Sonoma 3 mi e Mt. St. Helena; Calistoga Quadrangle Comment
  CAS-BOT-BC47468  Arctostaphylos viscida subsp. viscida Stephen W. Edwards 1982-5-30 s.n. Sonoma The Cedars Ridge, north of Cazadero, northwest of King Ridge Road at source of Big Austin Creek. Comment
  UCR44918  Arenaria douglasii L. F. LaPre 1986-6-5 s.n. Sonoma Dorr Place, 4 mi up a private road from Mannings Flats in Austin Creek State Recreation Area, 6 mi north of Cazadero on upper Austin Creek 207 Comment
  UC1084356  Aristolochia californica G. Thomas Robbins 1937-3-25 15 Sonoma Santa Rosa Creek just e. of Santa Rosa on hwy. to Sonoma Comment
  CAS-BOT-BC400482  Aristolochia californica Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano. (Southwest of Guernewood Park, across the river from Vacation Beach, acc. to map.) [Locality info from collection label and annotation label combined.] Comment
  UC543758  Aristolochia californica M. Stason and L. Roush 1926-2-28 Sonoma Hoods Peak Comment
  UC157687  Armeria maritima subsp. californica Milo S. Baker Apr. 1899 Sonoma Dillon's Beach Comment
  UCD98494  Armeria maritima subsp. californica R. H. Miller 1949-4-6 12 Sonoma On coast along Highway 1, about 5 miles south of Jenner. Comment
  CAS-BOT-BC82563  Arnica discoidea James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  CAS-BOT-BC82567  Arnica discoidea H. K. Wagnon; J. T. Vale 1988-6-11 s.n. Sonoma Skaggs Springs Road, between Annapolis Road & Lake Sonoma Comment
  SEINET10887982  Arrhenatherum elatius P. Rubtzoff 1979-8-5 Rubtzoff 9302 Sonoma Freestone Marsh area; along Bohemian Highway at Freestone Flat Road junction, southeast of Freestone Marsh. Comment
  CAS-BOT-BC84951  Artemisia californica Wm. Mrs. Matthaie 1964-11-3 s.n. Sonoma Hills about 2 mi. SE of Sonoma. Comment
  CAS-BOT-BC90863  Artemisia pycnocephala D. E. Breedlove 1961-12-31 1438 Sonoma Sand dunes at mouth of Russian River 3 Comment
  SEINET258290  Artemisia suksdorfii Leila M. Shultz, John S. Shultz 1986-9-20 10236 Sonoma 1 mile north of Jenner along Pacific Coast Highway 6 Comment
  UCSB3798  Asarum caudatum Keator, Glenn 1959-4-1 Sonoma Abandoned picnic grounds, 1 mile southeast of northern city limits of Camp Meeker Comment
  UC449992  Asclepias cordifolia Milo S. Baker 1898-7-12 676 Sonoma Geyser Canyon Comment
  UC22995  Asclepias fascicularis F. T. Bioletti June, 1891 Sonoma Comment
  UC1299771  Aspidotis densa Freed W. Hoffman 1947-3-5 812 Sonoma near Guerneville (Gilliam Creek) Comment
  UCD158841  Aspidotis densa James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2914 Sonoma North central part of Section 15, 0.25 mile south of Harness Camp and 2 miles west of The Geysers . (Elevation estimated by label maker using Google Earth.) 723 Comment
  UCR37731  Aster chilensis A. C. Sanders 1985-1-19 5368 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  CAS-BOT-BC180467  Astragalus breweri A. A. Heller; H. E. Brown 1902-4-4 s.n. Sonoma Hills East of Santa Rosa Comment
  POM253202  Astragalus breweri A. A. Heller, H. E. Brown 1902-4-4 7747 Sonoma Hills east of Santa Rosa Comment
  UC1300849  Astragalus breweri Helen K. Sharsmith 1963-5-25 5486 a Sonoma Occidental grade near Occidental (San Francisco Bay Region); , near Occidental 152 Comment
  UC353936  Astragalus breweri Milo S. Baker 1928-4-18 2975 b Sonoma Hiway 1/2 mi n Occidental; n of Occidental 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
  UC13433  Astragalus gambelianus E. L. Greene 1892-4-20 Sonoma Mt. St. Helena Comment
  UCD114253  Athysanus pusillus L. Whitney 1932-4-1 s.n. Sonoma Vine Hill, Santa Rosa. Comment
  UC7079  Atriplex triangularis J. Burtt Davy 1897-9-19 4057 Sonoma Petaluma Comment
  POM207305  Avena fatua A. A. Heller 1902-4-9 5251 Sonoma In a railroad cut three miles south of Healdsburg. 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-BC68341  Azolla filiculoides Peter Rubtzoff 1961-6-23 4653 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC154148  Baccharis douglasii Peter Rubtzoff 1955-9-10 2129 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC154997  Baccharis douglasii Peter Rubtzoff 1958-8-23 3915 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC98601  Baccharis douglasii Catherine Best 1983-10-12 904 Sonoma Growing along the creek near Occidental Road at the north edge of Occidental Comment
  CAS-BOT-BC98649  Baccharis douglasii J. W. Congdon 1880-8-2 s.n. Sonoma Santa Rosa Comment
  UCD114264  Barbarea orthoceras Frederica Bowcutt; Kate Mawdsley 1996-3-24 2068 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air miles S of Red Mtn, just S of Sonoma Creek. 365 Comment
  CAS-BOT-BC145840  Beckmannia syzigachne Peter Rubtzoff 1958-7-5 3744 Sonoma Atascaderos Creek Marsh. Comment
  JEPS97716  Beckmannia syzigachne Annetta M. Carter 1934-4-29 508 Sonoma 1 mi. W of Two Rock Junction on rd. to Tomales. Comment
  UC70977  Beckmannia syzigachne W. C. Blasdale 1893-6-10 Sonoma Los Guitucos Comment
  UCD56805  Beckmannia syzigachne Lloyd M. Harwood 1972-5-25 s.n. Sonoma Near Petaluma. Comment
  UCD129544  Bellis perennis Mary M. Hektner 1975-4-29 189 Sonoma Sea Ranch, near State Highway 1. Comment
  UCR250393  Bidens frondosa Peter Rubtzoff 1960-9-14 4528 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  RSA0015633  Bidens frondosa Peter Rubtzoff 1958-9-27 4012 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. N of Guerneville Road). Comment
  CAS-BOT-BC290649  Bidens laevis Peter Rubtzoff 1955-11-27 2170 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC290562  Bidens laevis Peter Rubtzoff 1962-12-1 5130 Sonoma Pitkin Marsh, near Forestville. Comment
  SEINET7249073  Bidens laevis Peter Rubtzoff 1962-1 5130 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC27854  Blennosperma bakeri Milo Samuel Baker 1946-3-28 11307 Sonoma Western outskirts of Sonoma Comment
  UC1224619  Blennosperma bakeri Peter H. Raven 1963-4-28 18251 Sonoma 4.7 mi s of, on Arnold Drive El Verano Comment
  SEINET4964102  Blennosperma bakeri Unknown 1946-1 Sonoma Comment
  NY31012  Blennosperma californicum C. H. Michener 04 1893 6238 Sonoma Kenwood Comment
  RSA6404  Blennosperma nanum Jens Clausen 1933-3-25 729 Sonoma Between Warfield and Ken Wood, along the highway. Comment
  UC195943  Blennosperma nanum var. nanum I. J. Condit 1913-3-7 Sonoma Petaluma Comment
  CAS-BOT-BC105959  Blennosperma nanum var. nanum J. Clausen 1933-3-25 729 Sonoma Between Warfield and Kenwood, along the highway. 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
  UC337456  Blennosperma nanum var. nanum J. G. Lemmon 1888-3-1 Sonoma Warner's Ranch, Healdsburg Comment
  UC518979  Blennosperma nanum var. nanum J. Clausen 1933-3-25 729 Sonoma between Warfield and Kenwood, along highway Warfield Comment
  CAS-BOT-BC154960  Boisduvalia Peter Rubtzoff; Nancy Harrison 1974-9-7 7861 Sonoma Hinebaugh Creek in Rohnert Park, W of Commerce Blvd. Comment
  CAS-BOT-BC154957  Boisduvalia densiflora Peter Rubtzoff 1962-6-19 4919 Sonoma Occidental Marsh Comment
  CAS-BOT-BC28223  Bolboschoenus fluviatilis Peter Rubtzoff 1955-8-7 2033 Sonoma Guerneville Marsh. Comment
  RSA0034188  Bolboschoenus maritimus Peter Rubtzoff 1972-8-26 6859 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC329264  Bolboschoenus maritimus Peter Rubtzoff 1961-9-20 4750 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC376323  Boraginaceae Greg de Nevers 1993-5-17 10454 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Devil's Kitchen east of 3865 Franz Valley Road. 400 Comment
  RSA0057963  Boykinia elata Greg de Nevers 1997-9-22 11090 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction. 100 Comment
  CAS-BOT-BC418501  Boykinia occidentalis A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma creek, at the foot of Mt. Hood Comment
  UC570898  Boykinia occidentalis H. L. Mason 1928-7-11 4889 Sonoma canyon two mi n Fort Ross; n of Fort Ross Comment
  RSA54043  Brachypodium distachyon J. T. Howell 1948-4-18 24214 Sonoma Hills east of Agua Caliente. Comment
  CAS-BOT-BC145655  Brachypodium phoenicoides Peter G. Conners 1991-6-18 s.n. Sonoma In dunes at Bodgea Bay, between Salmon Creek and the State Park Road to the campground. Comment
  CAS-BOT-BC36618  Brassica nigra Mary P. Wells 1984-5-7 260 Sonoma Santa Rosa. Rincon Valley. Friends House. Comment
  CAS-BOT-BC36709  Brassica rapa John F. Emmel 1971-5-8 349 Sonoma Along road 0.5 mile south of Mark West Springs and above Mark West Creek. 146 Comment
  CAS-BOT-BC182745  Brassicaceae Peter Rubtzoff 1969-6-15 6097 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol Comment
  CAS-BOT-BC100473  Brickellia californica Greg de Nevers 1990-7-24 9679 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road, in Franz Creek 457 Comment
  CAS-BOT-BC145483  Briza maxima Peter Rubtzoff 1952-5-31 1098 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the estern. Comment
  RSA143953  Briza maxima Roxana S. Ferris, Laura Lorraine 1961-6-14 13530 Sonoma Junction of Bittner Rd. with Joy Rd. between Occidental and Bodega. Comment
  CAS-BOT-BC145297  Briza minor Peter Rubtzoff 1951-6-9 154 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC145303  Briza minor Alice Eastwood 1921-5-8 10442 Sonoma Petaluma. Comment
  RSA126875  Briza minor H. S. Yates 1936-5-3 5576 Sonoma 1 mile N.W. of Petrified Forest: Calistoga 305 Comment
  RSA239699  Briza minor Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1097 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  UC1026486  Briza minor Peter Rubtzoff 1951-6-9 154 Sonoma Lower Marsh Pitkin Marsh (northern half, near Forestville) Comment
  UCD57431  Briza minor Hursh 1919-5-12 X 3251 Sonoma Santa Rosa. Comment
  CAS-BOT-BC145301  Briza minor Saichi Kawahara 1968-4-20 307 Sonoma 100 yards south of Cannon Lane, off Lakeville Road. 3 Comment
  CAS-BOT-BC478963  Brodiaea californica subsp. californica Greg de Nevers 1991-6-22 9753 Sonoma Pepperwood Natural Preserve 3450 Franz Valley Road 475 Comment
  CAS-BOT-BC482892  Brodiaea elegans subsp. elegans Alice Eastwood 1915-6-5 4600 Sonoma Petrified Forest Comment
  CAS-BOT-BC486540  Brodiaea elegans subsp. elegans Peter Rubtzoff; Nancy Harrison 1976-6-18 8645 Sonoma False Lake Meadow area, Annadel State Park Comment
  UC768739  Brodiaea leptandra R. F. Hoover 1938-6-14 3604 Sonoma 2 mi se Healdsburg Comment
  JEPS128222  Brodiaea stellaris Roger Raiche 2000-5-4 060 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS82292  Brodiaea stellaris Roger Raiche 1983-7-4 30470 Sonoma slope s Gilliam Creek (below Redwood Lake, at convergence of several steep ravines); East Austin Creek Recreation Area 304 Comment
  SD58370  Brodiaea stellaris Harry K. Roberts 1961-5-23 Sonoma About 1.75 miles northeast of Occidental, just west of County Dump at top of Harrison Grade, Ao to I(c) mile west of the type locality of Arctostaphylos bakeri. 221 Comment
  SEINET6165246 Image available Brodiaea stellaris Unknown 1983-5-24 s.n. Sonoma By gate N. of alump. Occidental Comment
  CAS-BOT-BC486465  Brodiaea terrestris subsp. terrestris Peter Rubtzoff; Rimo Bacigalupi 1971-6-10 6528 Sonoma South side of W. Railroad Ave. between Fwy. 101 and Stony Point Rd. 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
  SBBG53021  Brodiaea terrestris subsp. terrestris M. R. Benedict 1978-4-18 Sonoma Skaggs Springs Rd, ca. 8 mi W of Geyserville Comment
  UC37742  Bromus arizonicus H. N. Bolander 1860-1 Sonoma Mark West Creek Comment
  RSA155475  Bromus carinatus L. S. Rose 1962-4-18 62024 Sonoma 1 mile NW of Freestone. 76 Comment
  SBBG22695  Bromus carinatus M. S. Walters 1960-6-17 Sonoma St Hwy 1, ca.2 mi N of Bodega Bay Comment
  CAS-BOT-BC149083  Bromus carinatus var. carinatus David L. Morgan 1961-4-15 s.n. Sonoma Bluffs, Bodega Bay. Comment
  UC1024772  Bromus carinatus var. carinatus Leo Whitney 1935-4-13 2256 b Sonoma Santa Rosa Comment
  UC1010991  Bromus carinatus var. maritimus Virginia Bufford 1936-5-1 170 Sonoma Bodega Canyon at Larkspur Rock Larkspur Rock; Bodega Canyon, Larkspur Rock Comment
  CDA43044  Bromus commutatus G. Radieve & J. Curtis 2014-4-14 Sono 0479 Sonoma Sugarloaf Ridge State Park. 0 Comment
  CAS-BOT-BC155656  Bromus diandrus David L. Morgan 1956-6-26 s.n. Sonoma Bank of Austen Creek, 3 miles west of Monte Rio, on State Highway #12. Comment
  UC1010997  Bromus diandrus Virginia Bufford 1936-5-1 148 Sonoma w of Sebastopol (top of O'Farrell Hill); O'Farrell Hill Comment
  CAS-BOT-BC155205  Bromus hordeaceus Peter Rubtzoff 1960-5-15 4318 Sonoma Fife Creek Marsh. Comment
  UCSB50252  Bromus hordeaceus Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Breach (T6N, R11W) 18 Comment
  CAS-BOT-BC155215  Bromus hordeaceus Walter Knight; Irja Knight; J. T. Howell 1987-5-27 6275 Sonoma Dodd Road Preserve. 24 Comment
  CAS-BOT-BC162395  Bromus laevipes G. DeNevers 1981-5-15 1183 Sonoma Pepperwood Ranch. In first big left hand Canyon off north arm of Garrison Canyon. Comment
  UC1131025  Bromus laevipes H. S. Yates 1937-5-30 6543 Sonoma 3 mi wnw of Graton 60 Comment
  UCD144425  Bromus laevipes Frederica Bowcutt 1994-6-25 1914 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Along Grey Pine Trail about 1/2 way between Brushy Peak Trail and Meadow Trail. 530 Comment
  RSA656751  Bromus racemosus Beecher Crampton 1956-4-24 3309 Sonoma Healdsberg, vacant lot at junction of Prince and Sherman Streets. Comment
  UCD60243  Bromus vulgaris B. Crampton 1955-6-17 2928 Sonoma 1.6 miles west of Forestville. Comment
  UCD60255  Bromus vulgaris Mary M. Hektner 1976-5-6 262 Sonoma Unit 34-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  CDA3587  Cakile maritima H. F. McCracken 1965-8-23 Sonoma Bodega Bay. 0 Comment
  UCD166733  Cakile maritima Peter Rubtzoff 1955-8-20 2078 Sonoma Bodega Harbor Marsh. Comment
  UCD114948  Cakile maritima Mary M. Hektner 1974-7-19 150 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD114956  Cakile maritima Walter Russell 1947-3-5 s.n. Sonoma Bodega Bay. Comment
  CAS-BOT-BC36918  Cakile maritima var. maritima Mrs. H. C. Cantelow 1940-4-20 s.n. Sonoma About 2.2 miles north of Bay near mouth of Salmon River. Comment
  SEINET10843394  Calamagrostis P. Rubtzoff 1967-8-22 Rubtzoff 5856 Sonoma SE of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC185403  Calamagrostis bolanderi Mary P. Wells 1981-8-2 s.n. Sonoma Hedgegate Road, The Sea Ranch. 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
  UCR66615  Calamagrostis koelerioides A. A. Beetle 1945-8-4 4012 Sonoma North Coast, 10 miles north of Fort Ross Comment
Read comments Aug 20 2009
  UC1131348  Calamagrostis nutkaensis H. S. Yates 1937-5-30 6559 Sonoma 2 mi ne Freestone; Sebastapol Quadrangle Comment
  UCD57505  Calamagrostis nutkaensis P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar Ranch. Comment
  JEPS86741  Calamagrostis ophitidis Jack and Betty Guggolz 1990-6-16 1085 Sonoma about 1 mi n Camp Meeker (upper end of reservoir on creek); Grub Creek 85 Comment
  UC1146641  Calamagrostis ophitidis Freed W. Hoffman 1941-6-1 2188 Sonoma Oregon Canyon North Coast Ranges Comment
  CAS-BOT-BC438605  Calandrinia ciliata Peter Rubtzoff 1952-5-10 1026 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west. Comment
  CAS-BOT-BC273237  Calendula arvensis Peter H. Raven 1963-4-28 18257 Sonoma Just west of El Verano Comment
  CAS-BOT-BC290644  Callitriche Peter Rubtzoff 1972-6-29 6814 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC290710  Callitriche heterophylla Peter Rubtzoff 1967-5-21 5843 Sonoma Guerneville Marsh. Comment
  RSA90503  Callitriche heterophylla subsp. bolanderi Leo Koch 1939-5-15 630 Sonoma Hamilt(a)on Ranch. 1 mile from Old Adobe. East of Petaluma. Comment
  RSA170166  Callitriche trochlearis William Hirano 1961-5-3 s.n. Sonoma Along Stony Point road, about 1 mile N of junction with Hwy 101 and about 4 miles NW of Petaluma. Comment
  UCR249035  Callitriche verna Peter Rubtzoff 1971-6-26 6572 Sonoma Willow Creek Marsh 9 Comment
  CAS-BOT-BC483286  Calochortus amabilis D. E. Breedlove 1980-6-27 44757 Sonoma Pepper wood Ranch west of Knights Valley Comment
  UCR248727  Calochortus luteus Peter Rubtzoff, Nancy Harrison, Doug Jones 1974-6-8 7574 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  CAS-BOT-BC492633  Calochortus luteus D. E. Breedlove 1980-6-27 44751 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC492641  Calochortus luteus Volney Rattan 1885-5-9 s.n. Sonoma Sonoma Creek Comment
  UC423014  Calochortus nudus Milo S. Baker Jul 1897 166 Sonoma Mayfield Road, Anderson's Sheep camp Comment
Read comments Feb 12 2015
  JEPS82316  Calochortus raichei Roger Raiche 1983-7-10 30490 Sonoma n of Greenville (e end of ridge of Rocky Mt, and w of Blue Rock, above Gray Creek to s and Devil Creek to n); Rocky Mt. 365 Comment
  CAS-BOT-BC132640  Calochortus uniflorus Mrs. H. C. Cantelow 1939-4-8 s.n. Sonoma South of Shellville Comment
  CAS-BOT-BC273277  Calycadenia Roberta Long 1967-5-27 s.n. Sonoma Helen Wren's place in Sonoma Co. [Helen Wren's place is about 3 miles west of Healdsburg on the Mill Creek Road to Skaggs Springs] Comment
  CAS-BOT-BC270711  Calycadenia multiglandulosa A. D. E. Elmer 1903-6-1 4295 Sonoma Black Mountain Comment
  CAS-BOT-BC270847  Calycadenia pauciflora David D. Keck 1944-7-11 5511 Sonoma The Geysers, Mayacamas Range Comment
  RSA135373  Calycadenia pauciflora Volney Rattan 1877-6-26 s.n. Sonoma Geysers Comment
  RSA0009791  Calycadenia pauciflora Marcus E. Jones 1931-7-5 29125 Sonoma The Geysers. Comment
  UCD129888  Calycadenia truncata K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC90996  Calycanthus occidentalis A. A. Heller 1902-6-11 5689 Sonoma Santa Rosa Creek. Comment
  POM149132  Calycanthus occidentalis A. A. Heller 1902-6-11 5689 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  RSA534717  Calycanthus occidentalis Peter Rubtzoff 1980-5-26 9446 Sonoma Russian River at Forest Hills, 5.5 miles E of Guerneville. Comment
  SD99410  Calycanthus occidentalis Christopher Davidson 1977-6-17 5883 Sonoma State Highway 12, ca. 3.0 miles west of Guerneville, along Russian River. 14 Comment
  UC1536225  Calycanthus occidentalis William Stone 1987-5-25 Sonoma 3 mi e Guerneville (Russian River, Odd Fellows Recreation Club Park) Comment
  UC34864  Calycanthus occidentalis W. C. Blasdale 1894-5-10 Sonoma Guerneville Comment
  UC72737  Calycanthus occidentalis Miss M. Alice King Jun 1897 Sonoma near Healdsburg Comment
  POM320595  Calypso bulbosa Lynne Hayden 1970-4-4 67 Sonoma Armstrong Redwood State Park Russian River, Rich loam, Redwood forest Comment
  CAS-BOT-BC436379  Calystegia occidentalis subsp. occidentalis Alice Eastwood 1915-6-5 4570 Sonoma Petrified Forest Comment
  CHSC114333  Calystegia purpurata D. G. Kelch; A. G. Murdock, Ben Carter 2007-5-13 07 .272 Sonoma Cavedale Rd. 518 Comment
  CAS-BOT-BC224739  Calystegia purpurata subsp. saxicola Alice Eastwood 1915-6-29 4861 Sonoma Bodega Point Comment
  UCD167354  Calystegia purpurata subsp. saxicola James Neilson 1981-5-28 4035 Sonoma Mayacmas Mountains. Geysers Healdsburg Rd. about 1/2 mile west Geysers Resort. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SEINET12327834  Calystegia subacaulis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -171 Sonoma 0.6 mi from junction of Harrison Grade Road on Stoetz Lane 146 Comment
  CAS-BOT-BC498778  Camassia quamash subsp. linearis Peter Rubtzoff 1957-5-11 3326 Sonoma Occidental Marsh; Sonoma County Marshes Comment
  CAS-BOT-BC498780  Camassia quamash subsp. linearis Peter Rubtzoff 1951-5-28 82 Sonoma Western branch of the Upper Marsh; at the edge of a ticket, on marshy ground; The Pitkin Marsh, near Forestville Comment
  UCR255884  Camassia quamash subsp. quamash Greg de Nevers 1996-4-18 10790 Sonoma North Coast Range, Knights Valley Marsh, on Bavarian Lion Ranch 137 Comment
  SEINET7075564  Camissonia ovata A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley. 38? deg. 24' 31" North Latitude, -122? deg. 37' 52" West Longitude. UTM Zone 10, 532220mE, 4251005mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  UC1301104  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Helen K. Sharsmith 1963-5-25 5498 Sonoma sand dunes just s Bodega Harbor; San Francisco Bay Region 1 Comment
  UC172320  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Katharine Brandegee 1905-1 Sonoma Bodega Comment
  JEPS48129  Campanula angustiflora Milo Baker 1942-5-27 10203 Sonoma along road turning n Spring Mt. Road summit (near boundary of Sonoma and Napa Counties) Comment
  CAS-BOT-BC266423  Campanula californica Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  JEPS120457  Campanula californica Daniel Slakey 2013-8-11 64 Sonoma Salt Point State Park. Growing along an unmapped road in northern section of the park (north of Kruse Rhododendron Preserve) that is no open to the public. Where this road intersects Highway 1, there is an old Wells Fargo building in ruins. Comment
  SEINET10463922  Campanula californica Rowntree 1931-7-15 ROWNTREE s.n. Sonoma SKYP SPRINGS ROAD Comment
  JEPS128326  Campanula griffinii Roger Raiche 2000-6-4 130 .00 Sonoma The Cedars, Gateway Parcel at Christi Camp. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128369  Campanula griffinii Roger Raiche 2010-6-16 024 .10 Sonoma The Cedars. Peak Fork at Pygmy Fork, Mineral Spring Canyon. Bearpen Creek watershed (CalWater # 1114.120002). 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-BC183626  Capsella bursa-pastoris Peter Rubtzoff 1958-8-9 3841 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CAS-BOT-BC184127  Capsella bursa-pastoris Peter Rubtzoff 1960-6-25 4510 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville Roads Comment
  CAS-BOT-BC37195  Capsella bursa-pastoris Walter Knight; Irja Knight 1963-10-6 490 Sonoma Petaluma. Jess Street. Comment
  RSA786866  Capsella bursa-pastoris Carrie A. Herd 1982-3-14 19 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  JEPS119398  Cardamine californica J. Greenhouse with R. Raiche, H. Bartosh, J. Game 2012-2-4 5143 Sonoma The Cedars. Comment
  UC1299650  Cardamine californica Freed W. Hoffman 1947-3-11 821 Sonoma headwaters Duvoul Creek (a branch of Dutch Bill Creek and tributary of Russian River); North Coast Ranges, , Dutch Bill Creek, Russian Comment
  UCD114498  Cardamine californica R. H. Miller 1949-4-6 24 Sonoma 5 miles southeast of Monte Rio, on Highway 12. Comment
  CAS-BOT-BC37776  Cardamine californica Alice S. M. McKenzie 1981-2-23 20 Sonoma Coast between Russian and Gualala Rivers. California State Highway 1 at Kolmer Gulch. Near road. Comment
  RSA257003  Cardamine californica var. integrifolia Gary D. Wallace, Larry E. DeBuhr 1972-3-28 1007 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 mi east of junction with Hwy. 128. Comment
  UCD114519  Cardamine hirsuta John Thomas Howell 1946-3-31 21589 Sonoma Sonoma. Comment
  CAS-BOT-BC38030  Cardamine oligosperma Peter Rubtzoff 1959-6-6 4096 Sonoma Willow Creek Marsh. Comment
  JEPS128267  Cardamine oligosperma Roger Raiche 2000-4-8 027 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC38031  Cardamine oligosperma Peter Rubtzoff 1959-6-20 4160 Sonoma Willow Creek Marsh. Bank of Willow Creek. Comment
  CAS-BOT-BC384861  Cardionema ramosissimum Alice Eastwood 1915-6-29 4816 Sonoma Bodega Point Comment
  RSA784715  Cardionema ramosissimum Anna Kostikova, Glenn Litsios, Sarah Burgy 2010-7-3 164 Sonoma Westside Rd, Bodega bay area Comment
  OBI63072  Carduus pycnocephalus R. K. Brummitt, A. Wolf, & R. W. Howe, R. W. Howe 1998-5-15 19862 Sonoma 17 km NNE of Healdsburg, on Pine Flat rd near Red Hill 650 Comment
  CAS-BOT-BC281763  Carduus pycnocephalus G. DeNevers 1981-5-9 1058 Sonoma Along road below the Strebel Homestead Comment
  CDA19871  Carduus pycnocephalus P. Lane 2002-5-14 PDR P 092606 Sonoma North Coast Ranges; King St in Petaluma. 0 Comment
  CDA6866  Carduus pycnocephalus J. T. Howell, Alice Eastwood 1938-5-15 5505 Sonoma Near Mark West Springs. 0 Comment
  RSA790298  Carduus pycnocephalus Peter Rubtzoff 1976-5-30 8569 Sonoma Kenwood Marsh Comment
  SEINET11843447  Carduus pycnocephalus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -160 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 120 Comment
  SEINET5713022  Carduus pycnocephalus Peta Lewis 1967-1 13 Sonoma Ca. 2 miles east on River Road, 3 miles north of Guerneville.; Guerneville 23 Comment
  HSC42204  Carduus tenuiflorus S. Saufferer 1973-5-24 219 Sonoma Bodega Bay near the ocean Comment
  UCD166509  Carduus tenuiflorus Peter Rubtzoff 1962-7-14 4992 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC281795  Carduus tenuiflorus Catherine Best 1994-5-1 s.n. Sonoma Bodega Head Comment
  UCR255708  Carex abrupta Peter Rubtzoff 1957-5-4 3307 Sonoma Duncan Mills Marsh 2 Comment
  CAS-BOT-BC18137  Carex athrostachya Peter Rubtzoff 1954-7-4 1530 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC371452  Carex barbarae Peter Rubtzoff 1953-5-16 1360 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC422353  Carex barbarae Peter Rubtzoff 1958-5-10 3637 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC19373  Carex barbarae John Kipping 1973-8-8 s.n. Sonoma Dry Creek Road, 12 miles from Healdsburg on road to Stewart Point. Comment
  HSC101105  Carex barbarae Peter Warner 2011-6-1 211 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Springs Rd. at Mark West Lodge); on E bank of Mark West Creek, about 150 m NNE of Pelm house. 211 Comment
  JEPS117110  Carex bolanderi Peter Warner 2010-7-8 171 Sonoma Jenner Headlands, along main road across property, ~ 4.1 km, W 322 deg. N of Duncans Mills Comment
  JEPS120454  Carex californica Daniel Slakey 2013-8-10 60 Sonoma Salt Point State Park, along North Trail, about 100 m north of the intersection with Central Trail. Comment
  CAS-BOT-BC249290  Carex densa Peter Rubtzoff 1954-6-6 1466 Sonoma Guerneville Marsh Comment
  UC590029  Carex densa H. S. Yates 1936-5-3 5575 Sonoma 1 mi ne Petrified Forest; Calistoga Quadrangle 304 Comment
  RSA758137  Carex dudleyi Peter Rubtzoff 1975-7-3 8148 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC290571  Carex echinata subsp. phyllomanica Peter Rubtzoff; Bacigalupi; Chuang; Heckard 1971-6-10 6536 Sonoma Pitkin Marsh Comment
  UCR248915  Carex exsiccata Peter Rubtzoff 1960-6-7 4451 Sonoma Austin Creek Marsh 15 Comment
  RSA0015630  Carex exsiccata Peter Rubtzoff 1958-5-3 3617 Sonoma Atascadero Creek Marsh. Comment
  SEINET10855708  Carex festiva Henry N. Bolander Bolander 3867 Sonoma Meadow on Russian River, Comment
  CAS-BOT-BC20137  Carex feta Peter Rubtzoff 1952-1-1 1093 Sonoma Pitkin Marhses near Forestville. Eastern Branch of the Upper Marsh. Comment
  UCD140314  Carex feta M. Wiesendanger 1927-5-5 720 Sonoma Kenwood Springs. Comment
  SEINET7558589 Image available Carex feta Alice Eastwood, John Thomas Howell 1936-5-19 2525 Sonoma Near Asti. Comment
  RSA177947  Carex globosa Robert F. Thorne 1965-4-19 34321 Sonoma Harrison Grade 1/2 mile E of Stoetz Road. 152 Comment
  CAS-BOT-BC28328  Carex gracilior John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 54018 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 mi NE of Penngrove 457 Comment
  CAS-BOT-BC28362  Carex gracilior Peter Rubtzoff 1951-6-10 205 Sonoma Pitkin Marsh, near Forestville. South of the Upper marsh. Comment
  CAS-BOT-BC28373  Carex gracilior John Thomas Howell 1938-7-3 13966 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC419697  Carex gynodynama Peter Rubtzoff 1959-5-31 4085 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC242644  Carex harfordii Peter Rubtzoff 1957-5-4 3306 Sonoma Duncan Mills Marsh Comment
  RSA0022358  Carex harfordii Peter Rubtzoff 1964-5-20 5320 Sonoma Bodega Bay Marsh. Comment
  HSC7137  Carex lanuginosa J. T. Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC329277  Carex leptopoda Peter Rubtzoff 1964-6-24 5374 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC119731  Carex nebrascensis John Thomas Howell 1945-8-14 21411 Sonoma Perry Marsh. Comment
  CHSC33993  Carex nudata J. D. Prouty 1980-4-12 860 Sonoma Between Porter Creek and Porter Creek Road ca. 0.1 mi w of junction with Petrified Forest Road. 256 Comment
  UC1042355  Carex obnupta Peter Rubtzoff 1951-6-9 165 Sonoma forest s Upper Marsh; Pitkin Marsh Comment
  CAS-BOT-BC119281  Carex ovalis Peter Rubtzoff 1952-5-10 1001 Sonoma Pitkin Marsh, near Forestville. Western Branch of the Upper Marsh. Comment
  UCR248937  Carex rostrata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville 38 Comment
  SJSU8861  Carex senta R. D. Demostene 1965-4-25 Sonoma creek bed 3.5 mi NW of Cloverdale on State Rte 128 144 Comment
  CAS-BOT-BC117674  Carex serratodens Gregory Clark de Nevers 1981-4-25 804 Sonoma Pepperwood Ranch, near the main Pepperwood entrance, along the Creek Comment
  UCR249038  Carex simulata Peter Rubtzoff 1976-5-30 8561 Sonoma North Coast Range, Kenwood Marsh 120 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-BC117356  Carex stipata var. stipata Peter Rubtzoff 1951-6-10 190 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  UCR248867  Carex stipata var. stipata Peter Rubtzoff 1955-5-14 1838 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC116931  Carex subbracteata Peter Rubtzoff 1957-5-11 3330 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC312703  Carex subbracteata Peter Rubtzoff 1955-5-14 1845 Sonoma Duncans Mills Marsh area above the marsh, along a western tributary of Orrs Creek. Comment
  CAS-BOT-BC422365  Carex tumulicola Peter Rubtzoff 1974-6-2 7505 Sonoma Upper Green Valley Marsh. Comment
  UCD140932  Carex tumulicola P. G. Connors 1991-4-11 104 Sonoma Bodega Head and Dunes. Near Lab road and Salmon Creek. BMR 0730N, 4200E. Comment
  CAS-BOT-BC281914  Carthamus lanatus Peter Rubtzoff 1969-7-5 6110 Sonoma Ca 5 miles NE of Penngrove, on Lichen Rd Comment
  CAS-BOT-BC281919  Carthamus lanatus Walter & Irja Knight; J. T. Howell 1988-7-9 s.n. Sonoma SE corner Adobe Rd and Petaluma Hill Rd. Penngrove Comment
  CDA20441  Carthamus lanatus R. Gross 2002-9-19 s.n. Sonoma North Coast Ranges; Lichau Rd, near Fairfield Osborn Preserve. 0 Comment
  HSC33347  Carthamus lanatus William J. Ferlatte, J. Shelgren 1973-7-11 1489 Sonoma SE of Santa Rosa; Crane Canyon, 1 mile E of Petaluma Hill Rd. 52 Comment
  CAS-BOT-BC257350  Castilleja Peter Rubtzoff; Nancy Harrison 1978-5-20 9189 Sonoma Cunningham Marsh area, north side of Blucher Creek Valley. Comment
  UCD38895  Castilleja affinis Beecher Crampton 1959-6-16 5403 Sonoma 1 mile south of the town of Bodega Bay. Comment
  JEPS19388  Castilleja affinis subsp. affinis G. Thomas Robbins 1940-3-24 309 Sonoma about 6 mi e Santa Rosa (on Rincon Grade); Rincon Grade 167 Comment
  UC1012385  Castilleja attenuata Francis W. Pennell 1940-7-3 26042 Sonoma ne of Kenwood; Hoods Peak 731 Comment
  SEINET7067295  Castilleja densiflora A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor near the Russian River. Coordinate datum: NAD27. UTM Zone 10, 512347mE, 4272854mN. Comment
  HSC103519  Castilleja densiflora Thomas W. Nelson, Jane Nelson 1981-5-3 6463 Sonoma Along Pressley Rd., ~ 1 mi. N of junction with Roberts Rd. Comment
  SD88505  Castilleja densiflora subsp. densiflora Darley F. Howe 1972-6-27 Sonoma Near Pitkin Marsh Comment
  SBBG7042  Castilleja exserta subsp. exserta H. and M. Dearing 1939-5-14 3364 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCD151301  Castilleja foliolosa James A. Neilson Jr. 1974-7-26 2865 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 Comment
  UCD122479  Castilleja foliolosa Frederica Bowcutt 1996-5-24 1926 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Brushy Peaks Trail about 1/2 mile of Gray Pine Trail. 670 Comment
  CAS-BOT-BC243851  Castilleja latifolia Ella Dales Cantelow 1938-5-7 2412 Sonoma 5 mi. N of Bodega Comment
  JEPS57381  Castilleja subinclusa subsp. franciscana L. R. Heckard and T. I. Chuang 1968-6-18 1952 Sonoma about 2.5 mi e Occidental (along Graton Road) Comment
  CAS-BOT-BC241089  Castilleja uliginosa Peter Rubtzoff 1952-10-26 1328 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  JEPS33889  Castilleja wightii Lloy Thurman and Ted Crovello 1964-4-12 Sonoma about 5 mi s Jenner (along the coast (Highway 1)) Comment
  JEPS85724  Castilleja wightii L. R. Heckard 1968-7-23 2070 Sonoma n of Bodege Bay; Schoolhouse Beach Comment
  UC1341743  Castilleja wightii Noel H. Holmgren and James L. Reveal 1966-6-6 2647 Sonoma just n Ocean View Comment
  RSA189771  Castilleja wightii Noel Holmgren, James L. Reveal 1966-6-6 2547 Sonoma Just north of Ocean View. Comment
  CAS-BOT-BC39434  Caulanthus lasiophyllus R. D. Stone 1983-6-14 541 Sonoma Headwaters of Squaw Creek drainage. Ca. 1.2 mile northwest of Geyser Rock. 1005 Comment
  CAS-BOT-BC47799  Ceanothus John Thomas Howell 1937-4-11 12903 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC83850  Ceanothus confusus D. O. Burge 2007-4-10 833 a Sonoma SE flank of Mount Hood, near the junction of Bear Creek and Sonoma Creek 1000 Comment
  RSA21906  Ceanothus confusus J. T. Howell 1937-4-11 12903 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC449694  Ceanothus confusus Milo S. Baker 1898-3-2 704 Sonoma Santa Rosa Comment
  UC870630  Ceanothus confusus John Thomas Howell 1937-4-11 12897 Sonoma NE of Santa Rosa (Rincon Ridge) Comment
  UCD111365  Ceanothus confusus Roger Raiche 1985-11-23 RR 50894 Sonoma west of Dry Creek Valley, Bradford Mountain. 371 Comment
  RSA0005478  Ceanothus confusus J. T. Howell 1937-7-4 13080 Sonoma Rincon Ridge, northeast of Santa Rosa. Comment
  UCD112098  Ceanothus cuneatus var. cuneatus Frederica Bowcutt 1996-5-19 2134 Sonoma Sugarloaf Ridge State Park. 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. Along the ridgeline and on the Napa/Sonoma County line, about 0.5 air mile east of Bald Mountain. Gray Pine Trail. 731 Comment
  RSA177972  Ceanothus divergens subsp. confusus Robert F. Thorne 1965-4-20 34348 Sonoma Top of Parker Hill (N end of Parker Hill Rd.) ca. 3 mi. No. of Santa Rosa. 244 Comment
  UCD123475  Ceanothus divergens subsp. confusus D. O. Burge 2007-4-10 833 e Sonoma Southeast flank of Mount Hood, near the junction of Bear Creek and Sonoma Creek, along the Goodspeed Trail . 3.44 km 19 deg. (True) NNE of Kenwood. 200 Comment
  RSA177990  Ceanothus foliosus Robert F. Thorne 1965-4-20 34343 Sonoma Top of Parker Hill (N end of Parker Hill Rd.) ca. 3 mi. No. of Santa Rosa. 244 Comment
  UC18295  Ceanothus foliosus W. H. Brewer 1862-4-18 984 Sonoma near Sonoma Comment
  UC73358  Ceanothus foliosus Milo S. Baker 25 Sonoma Santa Rosa to Forestville. Comment
  SEINET12210993  Ceanothus foliosus F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -102 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  SEINET11191419  Ceanothus foliosus subsp. foliosus C. L. Schmidt 1987-2-27 1135 Sonoma 4 miles up Cavedale from CA-12, Hooker Canyon. 500 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
  CDA31311  Ceanothus foliosus var. foliosus D. G. Kelch, Ed Biffin 2010-5-3 10 .194 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CAS-BOT-BC32739  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-3-14 5781 Sonoma Vine Hill District, 10 miles W of Santa Rosa Comment
  CAS-BOT-BC49947  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6693 Sonoma Arroyos, Vine Hill district, 9 miles west of Santa Rosa Comment
  JEPS19405  Ceanothus gloriosus var. exaltatus G. Thomas Robbins 1940-3-22 300 Sonoma about 8.5 mi W of Santa Rosa (along Guernville Road) 45 Comment
  POM301629  Ceanothus gloriosus var. exaltatus Carl B. Wolf 1941-7-30 11108 Sonoma 8.5 miles south of Stewarts Point, at entrance to Salt Point Ranch. 30 Comment
  UC1070747  Ceanothus incanus H. S. Yates 1934-4-21 3782 Sonoma Near Freestone 60 Comment
  UCD158880  Ceanothus incanus James A. Neilson Jr. 1975-1-23 3124 Sonoma Mayacmas Mountains. One-quarter mile south of Little Sulphur Creek crossing., Healdsburg- Geysers Road. (Elevation estimated using topo map by label maker.) 731 Comment
  CDA37445  Ceanothus integerrimus var. macrothyrsus D. G. Kelch, T. McGregor 2010-8-22 10 .343 Sonoma Geyser Peak Rd. Comment
  CAS-BOT-BC51114  Ceanothus jepsonii Mr. S. Evans 1958-5-1 s.n. Sonoma Northern Sonoma Co. near McDonald Comment
  JEPS42422  Ceanothus jepsonii var. albiflorus W. L. Jepson 1924-4-27 10377 Sonoma Mt. St. Helena, E side, on Middleton grade Comment
  CAS-BOT-BC63517  Ceanothus oliganthus var. sorediatus Wayne Roderick 1961-4-2 s.n. Sonoma NW. of Sea View (half way between Sea View and Fort Ross school). Comment
  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
  RSA122368  Ceanothus parryi H. S. Yates 1934-4-21 5371 Sonoma near Guerneville 91 Comment
  RSA240625  Ceanothus parryi C. W. Tilforth, John Dourley 1973-7-18 910 a Sonoma Graton Rd. 1 mi E of Occidental Comment
  SEINET12211100  Ceanothus parryi F. H. Utech 1986-1 86 -115 Sonoma ca 6 mi NE on Cavedale Road 600 Comment
  SEINET13946221 Image available Ceanothus parryi Leo Koch 1939-1 631 Sonoma Campus of Santa Rosa Junior college. Comment
  UCD112486  Ceanothus parryi Collector unknown Date unknown s.n. Sonoma S.W. part of county. Comment
  CAS-BOT-BC32656  Ceanothus sonomensis John Thomas Howell 1933-4-1 10930 Sonoma Slopes of Trinity Mt., 2 miles NE of Glen Ellen Comment
  CAS-BOT-BC53035  Ceanothus sonomensis John Thomas Howell 1933-4-1 10930 Sonoma Slopes of Triniti Mt., 2 miles ne. of Glen Ellen Comment
  CDA31309  Ceanothus sonomensis D. G. Kelch, Ed Biffin 2010-5-3 10 .193-B Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  RSA757815  Ceanothus sonomensis Dylan O. Burge 2008-5-29 DOB 1002 c Sonoma Sonoma Mountains, Annadel State Park, above abandoned quarry at the end of Rhyolite Trail, accessed via Lawndale Trail, beginning at the Lawndale Trail Head on Lawndale Road, 4.65 km 272 degrees true west-northwest of Kenwood. 330 Comment
  SBBG26768  Ceanothus sonomensis J. T. Howell 1935-5-5 Sonoma Triniti Mtn 2 mi NE of Glen Ellen Comment
  CAS-BOT-BC53039  Ceanothus sonomensis Milo S. Baker 1927-3-5 2011 a Sonoma South slope of Hood Mt. on Macertney Ranch 213 Comment
  SEINET12210783  Ceanothus sonomensis W. Knight, Knight, I. 1982-1 4501 Sonoma Tilden Botanic Garden, Berkeley Comment
  UCD112735  Ceanothus thyrsiflorus var. griseus Steven E. Smith 1977-5-14 25 Sonoma 3.8 mi. N. of Graton, W. side of Graton-Occidental Road. 5 Comment
  CAS-BOT-BC52394  Ceanothus velutinus Bell Richardson Jackson 1924-8-1 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC52417  Ceanothus velutinus var. velutinus Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano Comment
  CAS-BOT-BC272113  Centaurea cyanus L. H. Huffins 1922-6-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC277017  Centaurea iberica Maxine Wilkes 1929-7-1 s.n. Sonoma Santa Rosa 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-BC277156  Centaurea melitensis G. DeNevers 1981-6-6 1459 Sonoma Pepperwood Ranch Comment
  UCD130036  Centaurea melitensis Frederica Bowcutt 1994-6-24 1891 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles E of Kenwood and 18 air miles NW of Napa. Vista Trail about 1/4 way from Bald Mountain Trail to Headwaters Trail. 554 Comment
  UC30944  Centromadia fitchii Alice King 1897-5-1 Sonoma Healdsburg Comment
  CAS-BOT-BC271541  Centromadia parryi subsp. parryi David D. Keck 1933-11-10 2730 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  CAS-BOT-BC251269  Cerastium Peter Rubtzoff 1955-5-7 1826 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC384972  Cerastium arvense A. A. Heller; H. E. Brown 1902-4-11 5269 Sonoma Bodega Bay Comment
  CAS-BOT-BC388438  Cerastium glomeratum Peter Rubtzoff 1952-3-23 902 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  SD134007  Ceratophyllum demersum Peter Rubtzoff 1962-10-23 5123 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC135416  Cercocarpus betuloides var. betuloides G. De Nevers 1981-3-31 586 Sonoma Along Hansel's Creek, 100 m S of the Garrison Gate, Pepperwood Ranch Comment
  CAS-BOT-BC135421  Cercocarpus betuloides var. betuloides J. Clausen 1933-3-25 734 Sonoma Santa Rosa Creek Canyon, on south exposed slopes. 182 Comment
  CAS-BOT-BC279786  Chamaemelum fuscatum M. S. Baker 1940-5-18 9505 Sonoma 101 n. of Cloverdale on s. slope of hill near top of Swiss Italian Colony at Asti Comment
  CDA7379  Chamaemelum fuscatum T. C. Fuller 1970-5-4 19486 Sonoma 2 miles west of the freeway overpass, Highway 101, Asti. 0 Comment
  UCD167959  Chamaesyce maculata James Neilson 1981-7-16 4051 Sonoma Mayacmas Mountains. Big Sulphur Cr. At bridge crossing road to Cloverdale. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC42452  Cheilanthes covillei F. T. Bioletti 1893-3-12 Sonoma Sonoma Comment
  CAS-BOT-BC166902  Chenopodium Peter Rubtzoff; Nancy Harrison; Ruth Hass; Charles Quibell 1974-8-31 7844 Sonoma Kenwood Marsh. Comment
  UCD166095  Chenopodium Peter Rubtzoff 1971-7-23 6617 Sonoma Laguna, Chileno Valley. Comment
  RSA201186  Chenopodium botrys Peter Rubtzoff 1965-8-22 5615 Sonoma Russian River bottom at Forest Hills (5.5 miles E of Guerneville). Comment
  UC1010424  Chenopodium californicum Milo Baker 1930-4-15 3953 Sonoma beach near Salmon Cr.; North Bay Counties Comment
  RSA523583  Chenopodium pumilio Barbara Ertter 1988-11-5 8032 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  CAS-BOT-BC499262  Chlorogalum pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian River Comment
  CAS-BOT-BC191508  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  SBBG32386  Chorizanthe cuspidata var. villosa L. S. Rose -Aug-1962 62077 Sonoma Bodega Pt 30 Comment
  UCD148368  Cirsium arvense Peter Rubtzoff 1955-8-13 2049 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC278069  Cirsium douglasii var. breweri Walter Knight; Irja Knight; Tiffany Knight; Steve Edwards 1985-7-21 6358 Sonoma Pine Flat Road 304 Comment
  CAS-BOT-BC285705  Cirsium occidentale var. occidentale John Thomas Howell 1930-6-8 5251 Sonoma 1 mile east of Bodega Bay 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-BC280374  Cirsium occidentale var. venustum Volney Rattan 1877-1-1 s.n. Sonoma Healdsburg 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
  UC30823  Cirsium quercetorum W. A. Setchell 1897-6-1 Sonoma Fort Ross Comment
  RSA0070859  Cirsium quercetorum J. T. Howell 1938-7-3 13953 Sonoma Stony Point. Comment
  CAS-BOT-BC285754  Cirsium remotifolium Marcus E. Jones 1882-7-18 3385 Sonoma Duncan's Mills Comment
  JEPS35584  Cirsium remotifolium var. odontolepis L. R. Heckard 1964-6-11 1371 Sonoma about 4 mi nw of Cloverdale (along Calif. 28; just beyond Alder Glenn Springs) 213 Comment
  JEPS43699  Clarkia amoena Milo S. Baker 1923-7-30 141 Sonoma near Frederickson's-Iagua; North Coast Comment
  CAS-BOT-BC161049  Clarkia amoena subsp. amoena Eliz. Parsons Hawver June 191 s.n. Sonoma Skaggs Springs Comment
  UC1072038  Clarkia amoena subsp. amoena H. and M. Lewis 1947-6-15 436 Sonoma at west road to Doran Peak (Highway 1); Bodega Bay Comment
  JEPS85536  Clarkia concinna subsp. concinna L. R. Heckard with R. Bacigalupi and A. Q. Howard 1981-5-19 5508 Sonoma 2.5 mi from Mendocino County line (road from Cloverdale to Boonville, near s base of grade) Comment
  UC73322  Clarkia concinna subsp. concinna Miss M. Alice King May 1897 Sonoma near Healdsburg Comment
  UCD151107  Clarkia gracilis James A. Neilson Jr. 1974-6-1 s.n. Sonoma Mayacmas Mountains, Geyser Rock area, old road to Geyser Peak, ca. 3.5 mi. west of Whispering Pines, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  CAS-BOT-BC163145  Clarkia gracilis subsp. sonomensis Blanche Clear 1938-5-28 s.n. Sonoma Geyserville toward Alexander Valley Comment
  JEPS43542  Clarkia gracilis subsp. sonomensis W. L. Jepson 1921-6-2 9296 Sonoma near Healdsburg (Calhoun Ranch); Russian River 30 Comment
  CAS-BOT-BC163152  Clarkia imbricata Milo S. Baker 1945-7-18 11107 Sonoma Pitkin Ranch along path to marsh Comment
  UC424794  Clarkia purpurea subsp. quadrivulnera unknown 1930-6-6 4166 C Sonoma between Wake Robin Lodge and Brunner Comment
  UCD104912  Clarkia purpurea subsp. quadrivulnera Frederica Bowcutt 1994-5-21 1813 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, about 10 air miles E of Santa Rosa, and 1.5 air miles N of Kenwood, about 18 air miles NW of Napa. Along meadow trail about 3/4 mile from trailhead. 411 Comment
  JEPS43596  Clarkia unguiculata E. Ferguson 1919-6-11 228 Sonoma near Guerneville Comment
  CAS-BOT-BC165674  Clarkia unguiculata Freed W. Hoffman 1947-6-4 509 Sonoma Upper reaches of East Austin Creek, Rocky Mountain Comment
  CAS-BOT-BC439407  Claytonia gypsophiloides A. A. Heller; H. E. Brown 1902-3-16 5073 Sonoma Russian River, near Trenton Comment
  SJSU9881  Claytonia gypsophiloides G. J. Woodside 1969-4-29 Sonoma Dutton Bill Creek 4 mi above Camp Meeker at St Dorothy's Rest Comment
  UC7857  Claytonia gypsophiloides Alice King Apr 1897 Sonoma Healdsburg Comment
  UCR265107  Claytonia gypsophiloides Ann Howald 2015-4-1 3323 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  RSA734381  Claytonia gypsophiloides Rimo Bacigalupi 1948-3-6 2855 Sonoma 2 mi. w. of Skaggs Springs, on loose shaly slope. Comment
  UC480640  Claytonia gypsophiloides Carl Meyer 1929-3-29 Sonoma Comment
  CAS-BOT-BC443681  Claytonia perfoliata subsp. perfoliata John Thomas Howell 1931-4-2 6040 Sonoma Kenwood Comment
  UCR55991  Claytonia sibirica Fran Sibel 1965-5-28 325 Sonoma North Coast, along Gualala River off Hwy 1 and east toward Anapolis 152 Comment
  CAS-BOT-BC92752  Clematis ligusticifolia W. W. Carruth 1900-7-1 s.n. Sonoma Russian River. Comment
  UCD35658  Clinopodium douglasii Beecher Crampton 1959-6-16 5395 Sonoma 1 mile northeast of Freestone. Comment
  JEPS61595  Clintonia andrewsiana Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  CAS-BOT-BC499955  Clintonia andrewsiana George Syme 1917-4-25 s.n. Sonoma Guerneville Comment
  UC55255  Clintonia andrewsiana Milo S. Baker 1899-5-1 Sonoma Green Valley near Gallager's; Green Valley Comment
  CHSC43170  Collinsia grandiflora Jeffrey D. Prouty 1979-4-11 223 Sonoma Ca. 7 mi n of Santa Rosa. Grassy slope ca. 100 yds w of Mark West Springs Rd. ca. 300 yds n of jctn. with Michelle Way. 164 Comment
  UC1012303  Collinsia heterophylla F. W. Pennell and H. L. Mason 1940-5-21 25481 Sonoma Kellogg, Route 28 Kellogg; , Route 28 274 Comment
  SEINET12327818  Collinsia heterophylla F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -096 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  SEINET5737213 Image available Collinsia heterophylla Johann D. Watjen 1969-1 26 Sonoma West slope of Sugar Loaf Ridge, 8 miles north of Sonoma.; Sugar Loaf Ridge 244 Comment
  UC103393  Collinsia sparsiflora var. arvensis Michener and Bioletti Apr 1893 Sonoma Kenwood Comment
  UC424769  Collinsia sparsiflora var. sparsiflora Milo S. Baker Apr 1929 3569 C Sonoma South East Macdonald Reservoir is in the hills just e of Santa Roasa and about 1/2 mi s of the Sonoma Hwy (State 12) South East Macdonald Reservoir Comment
  OBI23312  Convolvulus arvensis Jim Rogers 1972-7-16 6 Sonoma Comment
  CAS-BOT-BC286004  Conyza bonariensis Walter Knight; Irja Knight 1963-9-1 215 Sonoma Magnolia Ave., Petaluma Comment
  UCR256101  Cordylanthus Greg de Nevers 1997-8-17 11074 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, Oak Hill Ranch 400 Comment
  JEPS23537  Cordylanthus pilosus subsp. pilosus Peter H. Raven, R. Snow 1958-7-23 13690 Sonoma Occidental Comment
  RSA82063  Cordylanthus pilosus subsp. pilosus L. Tinsley 1925-10-10 6460 Sonoma Valley of the Moon. Comment
  JEPS87247  Cordylanthus tenuis subsp. brunneus Jack and Betty Guggolz 1992-7-25 1334 Sonoma 5/8 mi ssw Bradford Mountain (along a dirt road, 4+ mi wsw of Geyserville) 292 Comment
  UCD151307  Cordylanthus tenuis subsp. brunneus James A. Neilson Jr. 1974-7-31 2863 Sonoma Mayacmas Mountains. North of Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  CAS-BOT-BC238234  Cordylanthus tenuis subsp. capillaris Lewis S. Rose 1955-7-11 55110 Sonoma 2 mi. e. of Occidental 243 Comment
  JEPS6806  Cordylanthus tenuis subsp. capillaris R. F. Hoover 1942-7-13 5916 Sonoma 3 mi s Monte Rio Comment
  JEPS77679  Cordylanthus tenuis subsp. capillaris Margaret J. Williams 1978-7-16 78- 228 -4 Sonoma near Occidental Comment
  UC1044679  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1947-7-15 11866 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  UC1239007  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1946-8-14 784 Sonoma e Camp Meeker (on serpentine island); North Coast Ranges Comment
  UCD130836  Corethrogyne filaginifolia Mary M. Hektner; Sue Dakuzaku 1974-6-19 27 Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. Comment
  RSA94091  Cornus californica J. T. Howell 1946-8-17 22874 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC212286  Cornus glabrata Peter Rubtzoff 1952-5-31 1105 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC212292  Cornus glabrata Walter Knight; Irja Knight 1964-8-23 681 Sonoma corner Calistoga and Porter Creek Roads Comment
  SACT002819  Corylus cornuta var. californica R. Darby 1940-3-11 Sonoma Chaparrl, humid transitional zone in deep black loam. 6.5 miles southwest of Sebastopol. 1 mile west of Burnside. Shrubs 5 feet high, herbage rounded beneath flowers. Comment
  RSA94302  Cotula coronopifolia Peter Rubtzoff 1952-5-10 1011 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC427645  Crassula aquatica Greg de Nevers 1993-5-6 10435 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 457 Comment
  CAS-BOT-BC427652  Crassula aquatica Peter Rubtzoff 1974-5-11 7386 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road. Comment
  RSA0073842  Crassula solieri Reid V. Moran, Charles Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1.0 km east of Glen Ellen. 110 Comment
  CAS-BOT-BC143503  Crataegus gaylussacia Peter Rubtzoff 1958-8-16 3885 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CAS-BOT-BC143513  Crataegus gaylussacia Peter Rubtzoff 1973-10-10 7344 Sonoma (Tributary of Americano Creek) 2 mi. west of Bloomfield Comment
  UCD35659  Crataegus gaylussacia Beecher Crampton 1959-6-16 5396 Sonoma 1 mile northeast of Freestone. Comment
Read comments Dec 20 2006
  CAS-BOT-BC173648  Crepis Peter Rubtzoff 1960-6-7 4450 Sonoma Austin Creek Marsh. Comment
  UC963923  Crocanthemum scoparium var. vulgare Milo S. Baker 1947-5-12 11766 Sonoma sw slope Hood Mt. Comment
  SJSU7519  Croton setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 mi NE of Penngrove 426 Comment
  CAS-BOT-BC190106  Crypsis schoenoides Peter Rubtzoff 1969-10-29 6200 Sonoma Pond on River Road 3 miles west of Fulton. Comment
  CAS-BOT-BC190148  Crypsis schoenoides Peter Rubtzoff 1958-9-27 4008 Sonoma Laguna de Santa Rosa northeast of Graton (0.5 mile north of Guerneville Road). Comment
  UCD60004  Crypsis vaginiflora Peter Rubtzoff 1971-8-9 6631 Sonoma Laguna, Chileno Valley. 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
  UC857170  Cryptantha leiocarpa Milo S. Baker 1934-6-1 7704 Sonoma Wrights Beach Comment
  UC24696  Cryptantha muricata F. T. Bioletti 1890-1 Sonoma Hood Peak Comment
  UC905112  Cryptantha muricata Milo S. Baker 1947-5-7 11735 Sonoma near base of Sugar Loaf (sw slope of Hood Mt.); Hood Mt. 365 Comment
  RSA0079376  Cryptantha muricata var. jonesii Michener, Bioletti 1892-5-30 s.n. Sonoma Hood s Peak. Comment
  UC1731388  Cryptantha torreyana Dean W. Taylor 1998-6-22 16688 Sonoma 0.3 mi along ridge from Eagle Rock Substation ((ridge dividing Bear Canyon from Squaw Cr.)); North Coast Ranges, Mayacamas Mountains, The Geysers Geother 792 Comment
  UC280368  Cryptantha torreyana Milo S. Baker 1898-4-23 620 Sonoma Santa Rosa Creek Canyon Comment
  CAS-BOT-BC164356  Cucurbita Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa, N of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC85473  Cupressus sargentii Carl Brandt Wolf; E. R. Johnson 1934-10-13 2141 Sonoma Coys Ranch about 2 mi. from Occidental 91 Comment
  JEPS18144  Cupressus sargentii Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5666 Sonoma vicinity The Cedars (near Layton Chromite mine, headwaters of Big Austin Creek); Big Austin Creek 266 Comment
  SEINET3840824  Cupressus sargentii Unknown 2006-6-24 6 .323 Sonoma On serpentine along Harrison Grade 168 Comment
  UCD158872  Cupressus sargentii James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2905 Sonoma Mayacmas Mountains; northwest corner of Section 15, The Geysers. (Elevation estimated by label maker using Google Earth.) 609 Comment
  CAS-BOT-BC85428  Cupressus sargentii Clinton Hart Merriam 1907-7-27 s.n. Sonoma East ridge on Knights Valley road to Middletown, Mt. St. Helena Comment
  CAS-BOT-BC85462  Cupressus sargentii Milo Samuel Baker 1929-1-2 3383 c Sonoma 3 mi. N. West Coopers, Mill Cr. Comment
  NY16794  Cupressus sargentii D. D. Keck 1933-11-6 2651 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  RSA17611  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-13 6184 Sonoma Coys Ranch, about 2 miles from Occidental 91 Comment
  UCD164540  Cuscuta campestris Peter Rubtzoff 1975-8-15 8321 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC166912  Cuscuta howelliana Peter Rubtzoff; Nancy Harrison 1976-6-18 8648 Sonoma False Lake Meadow area, Annadel State Park. Comment
  JEPS16557  Cymopterus terebinthinus var. californicus Rimo Bacigalupi with G. T. Robbins and Freed Hoffman 1956-5-30 5663 Sonoma near Layton Chromite Mine (headwaters of Big Austin Creek, vicinity of The Cedars) 266 Comment
  CAS-BOT-BC376435  Cynodon Greg de Nevers 1996-9-23 10879 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Creek at Piney Canyon. 400 Comment
  RSA0022351  Cynodon Peter Rubtzoff 1971-8-23 6658 Sonoma Meacham Road, 0.35 miles S of Stony Point Road. Comment
  CAS-BOT-BC190350  Cynodon dactylon Peter Rubtzoff 1956-9-14 2859 Sonoma Vacation Beach, near Guerneville. On Russian River bottom. Comment
  UC1026477  Cynodon dactylon Peter Rubtzoff 1951-7-14 425 Sonoma Pitkin Marsh, southern half of Lower Marsh; near Forestville Comment
  UCD37117  Cynodon plectostachyus Beecher Crampton 1957-5-15 4042 Sonoma 4-5 miles southwest of Healdsburg, Foreman Lane, Frank C. Grace Ranch. Comment
  UCD160150  Cynoglossum grande James A. Neilson Jr. 1974-4-30 2723 Sonoma Mayacmas Mountains. The Geysers. Bruno # 1. (Exact location of Bruno #1 not known by label-maker, but according to Neilson, it is west of Geysers Resort on a north-facing slope near a stream. In the Mayacmas Flora, he indicates it is near 'Old Mercuryville,' which is different than the Mercuryville seen on maps; location and elevation estimated by label-maker) Comment
  CAS-BOT-BC350811  Cynosurus Peter Rubtzoff; Nancy Harrison 1978-6-11 9209 Sonoma Cunningham Marsh area. On north side of Blucher Creek Valley. Comment
  CAS-BOT-BC190428  Cynosurus echinatus John H. Thomas 1976-6-18 18359 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville. Comment
  CAS-BOT-BC190433  Cynosurus echinatus G. DeNevers 1981-5-5 957 Sonoma Pepperwood Ranch. On the bench south of the Studio. Comment
  CAS-BOT-BC190473  Cynosurus echinatus John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53954 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain. 457 Comment
  UCR248721  Cynosurus echinatus Peter Rubtzoff 1968-6-20 5899 Sonoma 6.5 miles northeast of Penngrove on Lichau Road 427 Comment
  CAS-BOT-BC350926  Cyperus Peter Rubtzoff 1978-7-19 9239 Sonoma Russian River at Del Rio Beach, c. 2.5 miles east of Healdsburg on South Fitch Mountain Road. Comment
  CAS-BOT-BC350947  Cyperus Peter Rubtzoff; Nancy Harrison 1974-9-7 7876 Sonoma Hinebaugh Creek in Rohnert Park, creek bed east of Commerce Blvd. Comment
  UC727744  Cyperus eragrostis Milo S. Baker 1946-8-17 11556 Sonoma at Sebastopol Crossing La Laguna Comment
  CAS-BOT-BC114512  Cyperus eragrostis Saichi Kawahara 1985-7-1 534 Sonoma On dike bank of Ducker Creek Rincon Valley, Santa Rosa. Comment
  UC837657  Cyperus eragrostis Milo S. Baker 1937-9-29 6037 Sonoma 4 mi. s.e. Sonoma (on Vineburg-Napa rd.) Comment
  CAS-BOT-BC114433  Cyperus erythrorhizos Peter Rubtzoff 1963-9-28 5279 Sonoma Fitch Mtn Grove, 2 mi E of Healdsburg. Open, moist ground on Russian River bottom. Comment
  RSA227202  Cyperus erythrorhizos Peter Rubtzoff 1958-9-20 3992 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mile north of Guerneville Rd.) Comment
  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
  JEPS117113  Cyperus niger Peter Warner 2010-7-29 176 Sonoma Lower Pitkin Marsh, N of primary drainage channel, ~ 347 m, N 45 deg. E from Hwy. 116 gate, in quaking bog (fen) area Comment
  RSA94263  Cyperus niger var. capitatus Peter Rubtzoff 1951-7-14 438 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  JEPS128196  Cypripedium californicum Roger Raiche 1982-5-29 20416 A Sonoma The Cedars, Mineral Springs Canyon. Lower Russian River, Big Austin Creek watershed. Comment
  RSA516605  Cypripedium californicum Rimo C. Bacigalupi, G. Thomas Robbins, F. Hoffmann 1956-5-30 5668 Sonoma Headwaters of Big Austin Creek, vicinity of The Cedars, near Layton Chromite mine. 267 Comment
  CAS-BOT-BC136482  Cypripedium montanum Mrs. H. C. Cantelow 1948-5-21 s.n. Sonoma Field redacted by CAS, contact the data manager for more information Comment
  UC770669  Cytisus scoparius R. H. Neuns 1948-8-25 21 Sonoma 7 mi ne Annapolis 396 Comment
  CAS-BOT-BC189803  Dactylis glomerata G. DeNevers 1981-5-20 1230 Sonoma Pepperwood Ranch. Leslie Creek and Mark West Creek. Comment
  CAS-BOT-BC445564  Damasonium californicum Peter H. Raven 1963-4-28 18253 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  CAS-BOT-BC192270  Danthonia californica David D. Keck 1944-7-11 5513 Sonoma 1 mi. S. of bridge across mouth of Russian River 22 Comment
  SEINET191751 Image available Danthonia californica K. Wagnon 1939-4-20 179 Sonoma About 2 miles south of Kenwood along Sonoma Highway. Comment
  UC1026469  Danthonia californica Peter Rubtzoff 1952-5-31 1096 Sonoma Upper Marsh Pitkin Marsh (eastern branch, near Forestville) Comment
  UCD60470  Danthonia californica H. S. Yates 1936-5-16 5579 Sonoma 1 mile NE of Graton. 30 Comment
  SEINET7042681  Danthonia californica A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  SEINET4566587  Danthonia californica var. americana B. Crampton 1963-5-27 6811 Sonoma Alexander Valley; State Highway 128, about 8 miles southeast of Geyserville 152 Comment
  UCD32895  Danthonia californica var. americana Beecher Crampton 1965-5-13 7339 Sonoma Sonoma County, ca. 8.5 miles S.E. of Geyserville, south end of Alexander Valley, jct. of Calistoga (hwy. 128) and Chalk Hill roads. Comment
  UCD60686  Danthonia californica var. americana R. Tofsrud 1941-4-1 27 Sonoma Near Wright School. Comment
  CAS-BOT-BC154116  Datura Peter Rubtzoff 1953-11-1 1437 Sonoma Vacation Beach, near Guerneville, along Russian River Comment
  CDA41056  Datura stramonium J. C. Violetti 1968-6-16 s.n. Sonoma Mrs. Lucas prop. 652 Brittain Lane, Santa Rosa. 0 Comment
  RSA0045177  Datura wrightii Greg de Nevers 1997-10-17 11107 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Hansel's corral. 100 Comment
  SJSU710  Daucus carota A. W. Jacobs 1941-7-25 Sonoma W bank Russian R near Hilton Comment
  CDA36848  Daucus pusillus 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
  POM133425  Daucus pusillus A. A. Heller, H. E. Brown 1902-5-27 5610 Sonoma Bodega Bay Comment
  RSA316514  Daucus pusillus Patricia Wilder 1965-6-10 3638 Sonoma 1 mile north of Jenner on Highway 1 30 Comment
  UC727734 Image available Delphinium bakeri Milo S. Baker 1946-4-25 11337 Sonoma Coleman Val., West of Occidental on Hedrin Ranch Comment
  CAS-BOT-BC9016  Delphinium decorum Ella D. Cantelow 1940-4-6 4274 Sonoma W of Bodega on Larkspur Rock Comment
  CAS-BOT-BC10006  Delphinium hesperium A. T. Graff 1925-5-20 S.N. Sonoma Trosphers, Cazadero Comment
  SD56750  Delphinium hesperium Darley F. Howe 1963-7-2 3577 Sonoma 4.2 miles north of junction with #12 on #1 Comment
  UC726273  Delphinium hesperium subsp. hesperium A. A. Heller 1940-6-12 15724 Sonoma w of Two Rocks Comment
  UC912568  Delphinium hesperium subsp. hesperium Herbert L. Mason 1934-4-28 8088 Sonoma Jensen's Ranch Comment
  CAS-BOT-BC10096  Delphinium luteum L. W. Burbank 1917-4-25 s.n. Sonoma Bodega Comment
  UC1126021  Delphinium luteum H. S. Yates 1934-4-21 3798 Sonoma near Bodega; Sebastopol Quadrangle Comment
Read comments Sep 30 2007
  SEINET10536041  Delphinium luteum A. Arthur Heller, H. E. Brown 1902-1 Sonoma Comment
  CAS-BOT-BC9895  Delphinium nudicaule Farlin F. Wood 1918-4-25 s.n. Sonoma Cazadero Comment
  UC635360  Delphinium nudicaule H. L. Mason 1928-4-8 4287 Sonoma sea bluff two mi n Fort Ross Comment
  UCSB31448  Delphinium nudicaule Townsend, J. 1977-5-29 Sonoma West side U.S. 101; 2 miles north of Petaluma Comment
  JEPS86296  Delphinium patens Jack and Betty Guggolz 1989-5-5 1009 Sonoma Comment
  CAS-BOT-BC121723  Delphinium patens subsp. patens Volney Rattan 1880-1-1 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC7766  Delphinium variegatum Alice Eastwood 1921-4-24 10320 Sonoma Santa Rosa Comment
  UC906463  Delphinium variegatum subsp. variegatum J. Ewan 1935-5-12 9241 Sonoma 2 mi n Kenwood; Los Guilicos Comment
  UCR198239  Dendromecon rigida Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .266 Sonoma Cavesdale Road 518 Comment
  SEINET12091845  Dendromecon rigida F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -160 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  UCD23367  Dentaria californica Wesley Ebert 1977-4-9 15 Sonoma White blossoms. In rich moist humus. Heavily shaded by Umbellularia californica and Quercus agrifolia. On east facing slope. 6000 Soldiers Lane, Penngrove. On west side of Sonoma Mtn. Comment
  CAS-BOT-BC192607  Deschampsia cespitosa subsp. holciformis John Thomas Howell 1945-5-30 20898 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC192617  Deschampsia cespitosa subsp. holciformis Mary P. Wells 1981-8-2 s.n. Sonoma Path to garden from Timber Ridge Road, The Sea Ranch Comment
  UCD63790  Deschampsia cespitosa subsp. holciformis P. B. Kennedy 1916-7-17 Sonoma Del Mar. Comment
  CAS-BOT-BC201651  Deschampsia danthonioides Peter Rubtzoff 1961-6-17 4632 Sonoma Bennett Mtn. Lake Comment
  RSA0059085  Deschampsia danthonioides Greg de Nevers 1997-5-13 10999 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat. 100 Comment
  RSA784394  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6075 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  CAS-BOT-BC201646  Deschampsia danthonioides G. DeNevers 1981-5-14 1155 Sonoma Top of Horse Hill near the Water Tank Comment
  JEPS117076  Deschampsia danthonioides Peter Warner 2010-5-6 147 Sonoma Annadel State Park, in upland vernal pool ~250 m N of Canyon Trail, ~220 m W of Spring Creek, just S of old rock wall Comment
  CAS-BOT-BC201964  Deschampsia elongata Peter Rubtzoff 1952-6-10 1218 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC201969  Deschampsia elongata Peter Rubtzoff 1962-5-25 4836 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road Comment
  UCD63734  Deschampsia elongata P. B. Kennedy 1916-7-17 Sonoma Del Mar. Comment
  HSC100955  Deschampsia elongata Peter Warner 2011-5-13 194 Sonoma Jenner Headlands , Dairy Field, northern area, S of Johnson Ranch, along cattle trails, ~250 m E of Hwy. 1. 87 Comment
  RSA126963  Deschampsia holciformis H. S. Yates 1937-6-6 6586 Sonoma 5 miles S. of Jenner. 30 Comment
  RSA785844  Deschampsia holciformis Peter Rubtzoff 1971-6-25 6571 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  CAS-BOT-BC208929  Dichanthelium acuminatum subsp. acuminatum P. B. Kennedy 1915-5-31 s.n. Sonoma Annapolis region. Comment
  CAS-BOT-BC209249  Dichanthelium acuminatum subsp. acuminatum R. Spellenberg 1964-6-15 402 Sonoma The Geysers, 17 mi. E. of Geyserville Comment
  CAS-BOT-BC254479  Dichanthelium acuminatum subsp. acuminatum John Thomas Howell 1945-7-18 21322 Sonoma Pitkin Marsh Comment
  UC1198177  Dichelostemma capitatum Joseph P. Tracy 1933-5-1 12125 Sonoma Knights Valley 152 Comment
  CAS-BOT-BC502207  Dichelostemma capitatum L. R. Abrams 1918-4-27 6908 Sonoma Independence School near Healdsburg Comment
  CAS-BOT-BC502217  Dichelostemma capitatum A. A. Heller; H. E. Brown 1902-3-17 5087 Sonoma Hills 8 miiles northeast of Santa Rosa Comment
  UCD166874  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2016-3-26 3042 Sonoma Mayacamas Mountains, along Pine Flat Road, at Rob Roy Flat. 618 Comment
  UCD163101  Dichelostemma multiflorum Robert E. Preston 2014-5-17 2965 Sonoma 4.5 mi NNW of Cazadero. 190 Comment
  CAS-BOT-BC183611  Digitaria Peter Rubtzoff 1971-8-23 6645 Sonoma Stony Point Road, just S of Hwy. 116. Comment
  CAS-BOT-BC210146  Digitaria Peter Rubtzoff 1965-8-16 5597 Sonoma Russian River bottom at Forest Hills (5.5 mi. E of Guerneville). Comment
  CAS-BOT-BC209113  Digitaria sanguinalis Mary P. Wells 1985-8-19 599 Sonoma Ducker Creek Dike, Rincon Valley, Santa Rosa Comment
  CHSC1749  Diplacus aurantiacus H. Holder 1949-5-19 Sonoma Highway #1. Comment
  CAS-BOT-BC151971  Diplacus douglasii Milo S. Baker; Miss Griffin 1925-4-9 269 b Sonoma Near Brunner's, Sonoma Mt. Comment
  CAS-BOT-BC196919  Distichlis spicata David L. Morgan 1956-6-26 s.n. Sonoma Above Shell Beach, 1/4 mi. S of Goat Rock, off State Hiway #1 Comment
  JEPS76927  Dodecatheon hendersonii Robert M. Lloyd 1963-2-24 2051 Sonoma 3 mi ne Forestville (on road to US 101) Comment
  CAS-BOT-BC154160  Downingia concolor var. concolor Peter Rubtzoff 1974-5-18 7439 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road. Comment
  JEPS14426  Downingia concolor var. concolor F. T. Bioletti 1891-5-9 Sonoma Sonoma Comment
  JEPS108526  Downingia concolor var. concolor Lisa Schultheis 1995-5-15 151 -95 Sonoma Todd Road Reserve. SWof Santa Rosa, on Todd Road, just W of Llano Road. Comment
  SEINET6059388  Downingia cuspidata Unknown 1976-6-5 8581 Sonoma False Lake Meadow area. Annadel State Park. Comment
  CAS-BOT-BC401546  Drosera rotundifolia Peter Rubtzoff 1951-7-8 393 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  UC1051650  Drosera rotundifolia Peter Kamb and Francia Chisaki 1950-6-16 1848 Sonoma 1 mi n Sousa Corners (nw of Sebastopol, toward s end of marsh); Pitkin Marsh Comment
  RSA123331  Drymocallis glandulosa var. wrangelliana H. S. Yates 1934-4-21 3812 Sonoma Near Bodega Port 8 Comment
  UC567049  Drymocallis glandulosa var. wrangelliana H. S. Yates 1934-4-21 3755 Sonoma near Bodega; Sebastopol Quadrangle Comment
  RSA42006  Drymocallis glandulosa var. wrangelliana Ella Dales Cantelow 1938-5-7 2403 Sonoma 4.5 miles NM of Bodega Comment
  CAS-BOT-BC71017  Dryopteris arguta A. A. Heller 1902-3-18 5095 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC277741  Dryopteris arguta Mona Bourell; Alva Day; George Lindsey 1986-6-26 1813 Sonoma CAS Pepperwood Ranch. 6 miles east of Santa Rosa 365 Comment
  CAS-BOT-BC71013  Dryopteris arguta Dorothy Scherer 1997-5-7 096 Sonoma Along path south side of Fort Ross Cr. halfway from Hwy 1 to ocean, Fort Ross State Historic Park 36 Comment
  RSA120869  Dryopteris arguta Milo S. Baker 1898-2-19 715 Sonoma Hills NE of Santa Rosa Comment
  CAS-BOT-BC428181  Dudleya cymosa subsp. cymosa C. F. Leitholt 1893-6-1 s.n. Sonoma On the border of Bennett Valley Comment
  CAS-BOT-BC428376  Dudleya farinosa Marcus E. Jones 1882-7-17 3347 Sonoma Duncan's Mills Comment
  UCD98787  Dysphania chilensis Peter Rubtzoff 1953-11-1 1440 Sonoma Vacation Beach, near Guerneville. Comment
  UCD98779  Dysphania chilensis H. S. Reed 1948-10-21 2025 Sonoma Sonoma Creek, near Kenwood. Comment
  CAS-BOT-BC208582  Echinochloa crus-galli G. DeNevers 1981-7-1 1734 Sonoma Pippindale Garden, Blm, Pepperwood Ranch Comment
  CAS-BOT-BC208556  Echinochloa crus-galli John Thomas Howell 1957-10-12 32999 Sonoma Ca. 1 mi. SW of Sonoma Comment
  UCD60877  Echinochloa crus-galli Beecher Crampton 1960-11-29 5810 Sonoma 4 miles southeast of Santa Rosa, Matanzas Creek, 1/2 mile north Bennett Valley Grange Hall. Comment
  UCR244503  Echinodorus berteroi Peter Rubtzoff 1970-8-5 6297 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
Read comments Oct 13 2015
  UCR74391  Ehrharta calycina Peter G. Connors 1991-5-22 107 Sonoma Bodega Head, Bodega Bay. Bay Flat Road, near Clark Marsh Comment
  UCD61213  Ehrharta erecta P. G. Connors 1992-5-12 252 Sonoma Near Salmon Creek (Miwok Rd.). Comment
  UCD164985  Eleocharis Peter Rubtzoff; Nancy Harrison, Ruth Hass, Charles Quibell 1974-8-31 7849 Sonoma Kenwood Marsh. Comment
  CDA13127  Eleocharis acicularis G. F. Hrusa, R. Gross 1996-6-3 13062 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
  UC1055948  Eleocharis acicularis Francia Chisaki, Peter Kamb 1950-6-16 1865 Sonoma 1 mi N of Sousa Corners (NW from Sebastopol, Pitkin Marsh) Comment
  CAS-BOT-BC113738  Eleocharis acicularis var. gracilescens Peter Rubtzoff 1962-6-13 4909 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC112194  Eleocharis radicans Peter Rubtzoff 1951-9-2 703 Sonoma Pitkin Marsh, near Forestville: Northern half of Lower Marsh. Comment
  CAS-BOT-BC112199  Eleocharis radicans Peter Rubtzoff 1954-7-29 1611 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC113673  Eleocharis tenuis var. tenuis Sturgeon 1956-7-3 s.n. Sonoma Near Occidental (Sturgeon's Mill ?) Comment
  CAS-BOT-BC213786  Elymus X hansenii G. DeNevers; M. Harding 1981-7-11 1743 Sonoma Pepperwood Ranch Franz Valley Road Comment
  UC1146595  Elymus californicus Freed W. Hoffman 1943-5-19 2202 Sonoma North Coast Ranges, Sonoma Coast, Russian Gulch Russian Gulch; North Coast Ranges, Sonoma Coast, Russian Gulch Comment
  UC1011032  Elymus glaucus Virginia Bufford 1936-5-20 329 Sonoma Kellog Mark West Rd. 3 mi from Kellogg Comment
  UCD61888  Elymus glaucus P. B. Kennedy 1918-5-28 Sonoma Calistoga Road via Petrified Forest. Road, Santa Rosa. Comment
  SEINET11687494  Elymus glaucus W. Knight, Knight, I.; Edwards, S. 1986-1 5326 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Road 853 Comment
  RSA129555  Elymus glaucus subsp. virescens H. S. Yates 1936-5-17 5624 Sonoma 1.5 miles E of Bodega Port 122 Comment
  UC76877  Elymus multisetus unknown July 1891 Sonoma Sonoma Comment
  JEPS87224  Emmenanthe penduliflora Jack and Betty Guggolz 1992-5-17 1299 Sonoma On the up side of the Anderson Trail (The west side of the Black Mountain east of Geyserville). 585 Comment
  UCD105464  Epilobium canum subsp. latifolium Frederica Bowcutt 1995-11-7 2061 a Sonoma Sugarloaf Ridge State Park. About 50 miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air mile SE of Red Mountain. In Sonoma Creek watershed along Vista Trail. Comment
  CAS-BOT-BC262988  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-6-20 1507 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC268054  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1692 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC268070  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1685 Sonoma Guerneville Marsh. Comment
  RSA800035  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1693 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC262970  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1955-8-20 2088 Sonoma Bodega Harbor Marsh. Comment
  UC125546  Epilobium ciliatum subsp. watsonii Katharine Brandegee 1905-1 Sonoma Bodega Head Comment
  UCR248906  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1967-8-28 5865 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh 6 Comment
  UCR248931  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5338 Sonoma Bodega Bay Marsh 15 Comment
  UC454591  Epilobium densiflorum I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UCD148363  Epilobium densiflorum Peter Rubtzoff 1955-8-27 2094 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC262788  Epilobium hallianum Peter Rubtzoff 1958-5-17 3670 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road. Comment
  CAS-BOT-BC262799  Epilobium hallianum Peter Rubtzoff 1962-6-1 4855 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC262822  Epilobium hallianum Peter Rubtzoff 1962-5-11 4824 Sonoma Laguna de Santa Rosa, east of Cunningham, near the Llano Road crossing. Comment
  UC19963  Epilobium torreyi H. N. Bolander 1867-1 6535 Sonoma Cloverdale; ; Cloverdale, Sonoma Co. Comment
  UC429312  Epipactis gigantea Milo S. Baker 1898-1 Sonoma Santa Rosa Canyon Comment
  CAS-BOT-BC210085  Equisetum Peter Rubtzoff 1963-8-17 5237 Sonoma Russian River Mouth Marsh. Comment
  CAS-BOT-BC164075  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-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
  RSA94454  Equisetum hyemale var. affine Peter Rubtzoff 1951-6-10 191 Sonoma The Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  UCR279623  Equisetum hyemale var. californicum Peter Rubtzoff 1961-10-23 4785 Sonoma Laguna de Santa Rosa area northeast of Graton 20 Comment
  SEINET5526046 Image available Equisetum laevigatum Unknown 1976-6-10 Sonoma Bodega Comment
  CAS-BOT-BC176180  Equisetum laevigatum Peter Rubtzoff 1953-5-18 1415 Sonoma Vacation Beach, near Guerneville. Comment
  RSA784475  Equisetum laevigatum Peter Rubtzoff 1961-8-26 4725 Sonoma Vacation Beach, near Guerneville. Banks of Russian River. Comment
  UCD135527  Equisetum laevigatum Frederica Bowcutt 1994-6-12 1894 Sonoma 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. Vista Trail about 1/4 way from Bald Mountain Trail to Headwaters Trail. 554 Comment
  CAS-BOT-BC57644  Equisetum telmateia John H. Thomas 1976-6-16 18293 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UCD135599  Equisetum telmateia subsp. braunii Frederica Bowcutt 1997-7-18 2180 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, West Bear Ck. 365 Comment
  SEINET11614128  Equisetum telmateia subsp. braunii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -149 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  UCD135711  Equisetum telmateia subsp. braunii Mary M. Hektner 1976-12-15 281 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA309328  Equisetum telmateia var. braunii Edward Lee, W. A. Setchell 1936-6-7 2174 Sonoma Trail No. 10, Bohemian Grove. Comment
  CAS-BOT-BC213573  Eragrostis hypnoides Peter Rubtzoff 1961-8-25 4718 Sonoma Forest Hills, east of Guerneville, bottom of Russian River Comment
  CAS-BOT-BC182752  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1953-11-1 1442 Sonoma Vacation Beach, near Guerneville. Comment
  HSC9783  Eragrostis mexicana subsp. virescens C. S. Chavez 1965-6-10 86 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  CAS-BOT-BC291249  Erechtites minimus John Thomas Howell 1946-8-17 22868 a Sonoma Cunningham Marsh Comment
  RSA518745  Eremocarpus setiger Barbara Ertter 1988-11-5 8033 Sonoma Lake Sonoma 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  JEPS19225  Ericameria arborescens Willis L. Jepson 1893-9-23 Sonoma Mt. St. Helena Napa River Basin, Mt. St. Helena 914 Comment
  CAS-BOT-BC293626  Erigeron biolettii H. M. Hall 1909-6-25 8518 Sonoma Guernewood Park Comment
  SEINET5781559 Image available Erigeron glaucus Marcus E. Jones 1882-1 3622 Sonoma Duncan's Mills Comment
  UC895875  Erigeron glaucus Marcus E. Jones, A. M. 1882-7-17 3622 Sonoma Duncan's Mills Comment
  UC909773  Erigeron philadelphicus var. philadelphicus Milo S. Baker 1950-5-20 12224 Sonoma w side Los Guilicos Valley (near old rr right of way) Comment
  CAS-BOT-BC300247  Erigeron reductus var. angustatus Catherine Best 1981-6-5 s.n. Sonoma Bohemian Hwy. 3 miles north of Occidental Comment
  CAS-BOT-BC300306  Erigeron supplex A. G. Vestal 1937-6-18 s.n. Sonoma 1.7 mi n. of Stewarts Point P. O. Comment
  CAS-BOT-BC224150  Eriodictyon californicum Roxana S. Ferris; Laura Lorraine 1961-6-15 13555 Sonoma Green Valley Road 0.8 mi. E of junction with Harrison Grade Road Comment
  OBI39519  Eriodictyon californicum F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-16 84 -075 Sonoma ca. 4 mi NNW of Sonoma on Caveldale rd from jctn with CA hwy 12; ca. 0.4 mi N on Cavedale rd from jctn 107 Comment
  RSA339415  Eriogonum cedrorum Roger Raiche 1984-6-23 40235 Sonoma The Cedars, north of Cazadero, headwaters of East Austin Creek, area called Red Slide. 549 Comment
Read comments Oct 17 2013
  UCD158782  Eriogonum compositum var. compositum James A. Neilson Jr. 1974-6-1 2775 Sonoma Mayacmas Mountains, Geyser Rock, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  CAS-BOT-BC259264  Eriogonum latifolium John Thomas Howell 1930-7-27 5402 Sonoma 1 mile north of Fort Ross Comment
  JEPS78470  Eriogonum latifolium Edward Lee 1936-6-21 2244 Sonoma 2.2 mi on Bodega-Bodega Bay Road Bodega Bay Comment
  RSA29503  Eriogonum latifolium E. K. Balls, Percy C. Everett 1953-10-9 18598 Sonoma 0.5 mi. n.w. of Salmon Creek, Hwy 1, between Bodega Bay and Jenner. Comment
  RSA372073  Eriogonum latifolium Noel Holmgren, James L. Reveal 1966-6-6 2648 Sonoma Just north of Ocean View. On bluff above shore line (form away from immediate coastal influence). Comment
  CAS-BOT-BC259486  Eriogonum luteolum H. D. Geis 1902-8-1 s.n. Sonoma Unspecified Comment
  UC1032215  Eriogonum nudum var. auriculatum J. B. Spring 1932-6-26 87 Sonoma 2 mi ne Kenwood; Santa Rosa Quadrangle 548 Comment
  CAS-BOT-BC261697  Eriogonum nudum var. nudum Walter Knight; Irja Knight 1963-9-15 239 Sonoma Los Alamos Rd, Santa Rosa Comment
  SEINET11933965  Eriogonum ternatum Unknown 1984-1 40235 Sonoma The Cedars,N of Cazadero, headwaters of East Austin Creek, area called Red Slide 549 Comment
  UCSB15796  Eriophyllum lanatum Breedlove, Dennis 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  UC494110  Eriophyllum lanatum var. achilleoides H. E. and S. T. Parks 1930-5-10 837 Sonoma Knights Valley Comment
  UC632732  Eriophyllum lanatum var. achilleoides H. L. Mason 1934-4-28 8075 Sonoma 4 mi w Healdsburg (Jensen's Ranch); Head of Dohrman Creek Comment
  CAS-BOT-BC301153  Eriophyllum lanatum var. achilleoides L. Constance 1933-5-20 E 25 Sonoma Between Santa Rosa & Healdsburg, 3 1/2 m. from Healdsburg Comment
  CAS-BOT-BC301286  Eriophyllum lanatum var. arachnoideum Lewis S. Rose 1964-6-3 64057 Sonoma N. end of Bodega Bay 6 Comment
  CAS-BOT-BC301292  Eriophyllum lanatum var. arachnoideum John Thomas Howell 1930-6-8 5292 Sonoma 8.5 miles n. of Bodega Bay Comment
  UC73463  Erodium botrys Miss M. Alice King May 1897 Sonoma Lytton Springs Comment
  UCD103147  Erodium cicutarium Frederica Bowcutt 1994-5-1 1796 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. S of Sonoma Creek about 125 yards, 1/4 mile NW of confluence with Rattlesnake Creek, meadow in center of campground. Comment
  UCD103250  Erodium moschatum Frederica Bowcutt; Kate Mawdsley 1996-3-24 2072 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air mile south of Red Mountian, just south of Sonoma Creek. 365 Comment
  UC1365626  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1963-7-27 5210 Sonoma n. Cunningham (near Todd Rd., Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  SDSU2266  Eryngium armatum D. F. Howe 1963-7-3 3584 Sonoma 20 miles north of junction with #12 on #1. Comment
  UC1126593  Erysimum capitatum E. Armstrong 1934-3-26 939 Sonoma 3 mi n Camp Meeker; Sebastopol Quadrangle Comment
  CAS-BOT-BC54719  Erysimum concinnum Alice Eastwood 1899-5-1 s.n. Sonoma Bodega Point. Comment
  CAS-BOT-BC383163  Erythranthe grandis David B. Lowry 2005-5-10 CVR Sonoma Along Coleman Valley Road 116 Comment
  CAS-BOT-BC153628  Erythranthe inodora Peter Rubtzoff 1955-7-10 1950 Sonoma Duncans Mills Marsh Comment
  SEINET8255128  Erythranthe microphylla Unknown 1940-5-21 25883 Sonoma Route 28. 183 Comment
  UC3610  Erythronium californicum W. A. Setchell 1898-3-15 Sonoma Cloverdale Comment
  POM266133  Erythronium helenae Elmer I. Applegate 1934-3-25 s.n. Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 610 Comment
  RSA177941  Eschscholzia caespitosa subsp. caespitosa Robert F. Thorne 1965-4-20 34361 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  UC635613  Eschscholzia californica H. L. Mason 1930-6-1 5654 Sonoma Gualala River; mouth Comment
  CAS-BOT-BC403705  Eschscholzia californica Walter Knight; Irja Knight 1963-9-29 222 Sonoma Foot of Jefferson St. Petaluma Comment
  CAS-BOT-BC202541  Euphorbia Peter Rubtzoff 1987-10-17 9877 Sonoma Russian River ca. 6 miles east of Guerneville Comment
  CAS-BOT-BC290687  Euphorbia Peter Rubtzoff 1987-10-17 9877 Sonoma Russian River ca. 6 miles east of Guerneville. Comment
  UCD142412  Euphorbia oblongata Thomas C. Fuller 1985-5-31 20430 Sonoma East side of Arnold Drive; Hwy 116; just north of culvert no. 45.19; ca. 7 km. south of El Verano. Comment
  UC469051  Eurybia radulina Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  CAS-BOT-BC368004  Euthamia occidentalis Greg de Nevers 1989-8-28 9096 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Skovie. 400 Comment
  RSA0051265  Euthamia occidentalis Greg de Nevers 2002-9-9 12841 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 152 Comment
  UCR254730  Euthamia occidentalis Peter Rubtzoff 1961-9-20 4748 Sonoma Americano Creek, 0.9 miles west of Bloomfield 13 Comment
  CAS-BOT-BC354321  Euthamia occidentalis Peter Rubtzoff 1958-9-6 3987 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UCR249336  Festuca arundinacea Peter Rubtzoff 1962-6-13 4911 Sonoma Freestone Marsh 79 Comment
  UC1146665  Festuca californica Freed W. Hoffman 1947-5-30 1698 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC283188  Festuca californica subsp. californica G. DeNevers 1981-5-15 1172 Sonoma N arm of Garrison Canyon, Pepperwood Ranch Comment
  CAS-BOT-BC283194  Festuca californica subsp. californica John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells; Gordon H. True 1981-5-14 54013 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on teh west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC278394  Festuca elmeri Greg de Nevers 1987-6-1 8187 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  UC38544  Festuca idahoensis Michener and Bioletti 1893-7-31 119 Sonoma Hood's Peak Comment
  UC38546  Festuca idahoensis F. T. Bioletti 1893-6-10 103 Sonoma Hood's Peak Comment
  OBI35900  Festuca perennis David J. Keil 1983-6-30 17214 Sonoma Stillwater Cove Regional Park Comment
  UC576342  Festuca roemeri H. S. Yates 1937-5-31 6558 Sonoma near Alpine School; Calistoga Quad. 304 Comment
  UCD66381  Festuca rubra Peter Rubtzoff 1951-6-7 113 Sonoma Pitkin Marsh, near Forestville. Western branch of the upper marsh. Comment
  CAS-BOT-BC354074  Filago Peter Rubtzoff; H. A. Froebe 1971-5-30 6480 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA177900  Filago californica R. F. Thorne 1965-4-20 34352 Sonoma On Cavedale Road, 0.5 miles up from State Hwy 12, ca. 4 miles N of Sonoma. 244 Comment
  SBBG2924  Fragaria chiloensis H. and M. Dearing 1939-5-14 3357 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UC1085318  Fragaria vesca H. W. Frazier 1949-6-19 Sonoma Mount Veeder Comment
  UCD112544  Frangula californica G. F. Hrusa; J. Pfeiffer 1995-9-23 12466 Sonoma N slope of Cavedale Edaphic Island. 400 Comment
  CAS-BOT-BC53278  Frangula californica subsp. californica Peter Rubtzoff 1951-6-16 251 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC62972  Frangula californica subsp. tomentella Roger Raiche 1985-11-29 50900 Sonoma NE. end of town of Healdsburg on Reservoir Hill. 121 Comment
  UCD99585  Frankenia salina P. G. Connors 1991-6-17 164 Sonoma Bodega Marine Laboratory. Near jaumea. Comment
  CAS-BOT-BC218583  Fraxinus latifolia H. E. McMinn 1922-6-1 s.n. Sonoma Petrified Forest Comment
  JEPS44085  Fraxinus latifolia W. L. Jepson 1903-10-4 2364 Sonoma near Guerneville; Bohemian Club Grove Comment
  POM130974  Fraxinus latifolia W. A. Setchell 1897-6-16 s.n. Sonoma Western Middle California: Casadero [Cazadero]. Comment
Read comments Dec 31 2015
  SJSU452  Fraxinus latifolia A. W. Jacobs 1939-7-20 Sonoma Russian R Terrace near Forestville Comment
  CAS-BOT-BC130181  Fritillaria affinis A. A. Heller; H. E. Brown 1902-3-25 5148 Sonoma Near Mark West Springs Comment
  SEINET12048685  Fritillaria affinis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -155 Sonoma Bridgehaven, near junction of Willow Creek Road & CA 1 along Russian River 37 Comment
  CAS-BOT-BC130454  Fritillaria purdyi Milo S. Baker 1927-4-22 s.n. Sonoma Mt. St. Helena 853 Comment
  RSA785726  Fritillaria recurva Carrie A. Herd 1982-3-27 31 Sonoma Hwy. 128/Philo-Greendwood Road Comment
  UCD151094  Galium andrewsii James A. Neilson Jr. 1974-6-1 3552 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  JEPS128248  Galium aparine Roger Raiche 2000-5-28 114 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD121675  Galium aparine Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 033 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD160111  Galium aparine James A. Neilson Jr. 1973-6-3 2998 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
  HSC19845  Galium aparine S. N. Wiemeyer 1962-4-20 23 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  JEPS52888  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3910 Sonoma 1.7 mi n Fort Ross (on bluff overlooking ocean) Comment
  SBBG28783  Galium californicum subsp. californicum J. T. Howell 1930-7-27 5406 Sonoma 1 mi N of Fort Ross Comment
  POM311187  Galium divaricatum Leo Koch 1940-6-12 1014 Sonoma In hills behind Fountaingrove Vineyard. 3 miles N of Santa Rosa along Hwy 101. Comment
  UC28160  Galium divaricatum Michener and Bioletti 1892-7-1 Sonoma Hood Peak Comment
  UCD121859  Galium parisiense Frederica Bowcutt 1994-6-24 1888 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Lower Bald Mountain Trail. 426 Comment
  JEPS6541  Galium triflorum R. F. Hoover 1941-5-14 5092 Sonoma near Joy District School (sw of Occidental) Comment
  JEPS34031  Gamochaeta ustulata W. L. Jepson 1931-7-19 15943 Sonoma just n Salmon Creek mouth Comment
  UCD160881  Garrya fremontii James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3264 Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC278691  Gastridium phleoides Peter Rubtzoff 1956-9-14 2866 Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC278685  Gastridium phleoides G. DeNevers 1981-5-30 1344 Sonoma Pepperwood Ranch. N of Hansel's corral Comment
  UC903724  Gastridium ventricosum Milo S. Baker 1947-5-7 11746 Sonoma sw slope Hood Mt. (above Baker Ranch); sw slope of Hood Mt. 213 Comment
  CHSC63908  Gaultheria shallon John Hale 1990-4-10 20 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
  UCSB4791  Gaultheria shallon Keator, Glenn 1959-4-1 Sonoma 1.5 miles north of Fort Ross Monument on Highway 1 Comment
  UC519223  Genista monspessulana G. H. Vansell 1933-7-25 Sonoma along Russian River Comment
  UCD105744  Genista monspessulana G. H. Vansell 1933-7-24 s.n. Sonoma Russian River. Comment
  RSA28626  Gentiana affinis Annetta Carter, E. K. Crum 1941-6-22 1638 Sonoma 3.3 miles E of Bay (Bodega Bay). Comment
  UC405441  Gentiana affinis var. ovata Katharine Brandegee June 1905 Sonoma Bodega Bay Comment
  POM264463  Gentiana oregana Annetta Carter, Ethel Crum 1941-6-22 1638 Sonoma 3.3 miles E of Bay (Bodega Bay). Comment
  UC17122  Geranium carolinianum H. N. Bolander 1864-1 3845 Sonoma Cloverdale Comment
  CDA34794  Geranium molle Peter Warner 2010-3-29 121 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  UCD55068  Geranium purpureum Ellen Dean; Tammie Beyerl 2006-4-28 3012 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  UC1299523  Gilia capitata subsp. capitata Freed W. Hoffman 1946-6-14 595 Sonoma Wild Hog Ridge North Coast Ranges, Mill Creek, Palmer Creek branch (headwaters Mill Creek, Palmer Creek branch) Comment
  UC1182817  Gilia capitata subsp. capitata A. R. Kruckeberg 1949-7-22 S- 124 Sonoma Comment
  UCD117691  Gilia capitata subsp. capitata Frederica Bowcutt 1994-6-12 1864 Sonoma about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 1.5 air miles north of Kenwood, and 18 air mles NW of Napa. Adobe Canyon north of Sonoma Creek, north of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  CAS-BOT-BC225284  Gilia capitata subsp. chamissonis A. A. Heller; H. E. Brown 1902-5-27 5616 Sonoma Bodega Bay Comment
  RSA83126  Gilia capitata subsp. chamissonis Verne Grant, Alva Grant 1948-7-7 8598 Sonoma Near Hwy 1, 11 miles north of Bodega Comment
  UCD117705  Gilia capitata subsp. chamissonis Eric S. Ngay 1990-5-18 7 Sonoma Bodega Head, first dune ridge west of harbor along road, east of marine lab dorms, Bodega Bay. Comment
  UC750799  Gilia millefoliata Charles B. Heiser Jr. with J. Davidson 1946-4-14 1734 Sonoma in depression on head Bodega Head Comment
  CAS-BOT-BC266478  Githopsis diffusa Milo S. Baker 1926-1-1 237 A Local Sonoma Side canyon above Kenwood Springs Comment
  SEINET10464606  Githopsis specularioides Joseph W. Congdon 1880-5-17 Congdon s.n. Sonoma North of Sebastopol Comment
  SEINET10972190  Githopsis specularioides A. Arthur Heller, H. E. Brown 1902-4-16 Heller 5308 Sonoma Fields east of Santa Rosa Comment
  CDA2721  Gladiolus italicus William J. Ferlatte 1974-5-1 Sonoma Northwest corner of East Washington and Adobe Road, Petaluma. 0 Comment
  UC894568  Glebionis segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  RSA234555  Glinus lotoides Peter Rubtzoff 1966-9-25 5825 Sonoma Laguna de Santa Rosa east of Grafton, betw. Occidental and Guerneville Rds. Comment
  UC1446208  Glyceria declinata Paul But with Peter Rubtzoff 1974-4-6 1005 Sonoma Kenwood Marsh Comment
  JEPS78861  Glyceria elata Edward Lee 1936-6-8 2222 Sonoma near Bohemian Grove entrance Comment
  RSA94606  Glyceria leptostachya Peter Rubtzoff 1952-5-31 1120 Sonoma Pitkin Marsh, near Forestville, northern half of Lower Marsh Comment
  SJSU6044  Glyceria occidentalis C. W. Sharsmith 1972-6-24 7800 Sonoma Forestville Marsh c. 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  UCR244672  Glyceria occidentalis Peter Rubtzoff 1964-5-30 5324 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa 24 Comment
  CAS-BOT-BC303864  Gnaphalium Peter Rubtzoff 1970-9-2 6360 Sonoma Russian River bottom at Mirabel Park, near a pool Comment
  CAS-BOT-BC164700  Gnaphalium Peter Rubtzoff 1966-8-29 5815 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166749  Gnaphalium chilense Peter Rubtzoff 1959-9-19 4276 Sonoma Vacation Beach, near Guerneville at Russian River. Comment
  UCD148400  Gnaphalium palustre Peter Rubtzoff 1958-7-19 3766 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UCD166115  Gratiola Peter Rubtzoff 1972-5-25 6756 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC305177  Grindelia hirsutula John Thomas Howell 1930-6-8 5222 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CAS-BOT-BC305169  Grindelia hirsutula Walter Knight; Irja Knight 1963-10-29 434 Sonoma Between Two Rock Ranch and County Line Comment
  UCR50519  Grindelia nana L. F. LaPre, K. Campbell 1987-6-28 s.n. Sonoma North Coast Ranges, Cadd Fire Trail, off Unocal Ridge Road, 2 mi. west of Socrates Mine, near Lake county line 976 Comment
Read comments Aug 29 2007
  UCD132575  Grindelia stricta var. platyphylla Mary M. Hektner; Cathy Hendel 1974-7-23 161 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC361294  Habenaria Greg de Nevers 1993-8-30 10493 Sonoma Field redacted by CAS, contact the data manager for more information 457 Comment
  UC30652  Harmonia nutans F. T. Bioletti 1892-5-15 Sonoma Hood's Peak; ; Hood's Peak, Sonoma Co. Comment
  CDA37137  Hedera helix Chris Heintzelman 2012-4-13 PDR# 1596521 Sonoma Salt Point, approx. 1/2 mile north of Fisk Mill Cove, along Hwy 1. 0 Comment
  RSA71062  Helenium bigelovii L. S. Rose 1951-6-7 51014 Sonoma Pitkin Marsh, 5 miles N of Sebastopol. Comment
  UC353800  Helenium bigelovii Milo S. Baker 1928-4-28 3001 b Sonoma Pitkin Swamp Comment
  CAS-BOT-BC306765  Helenium bigelovii Milo S. Baker 1927-6-9 2217 b Sonoma About Kenwood Comment
  POM187815  Helenium bigelovii Marcus E. Jones 1931-7-5 29104 Sonoma The Geysers. Comment
  RSA800481  Helenium bigelovii Peter Rubtzoff 1961-6-23 4645 Sonoma Bennett Mountain Lake Comment
  RSA93426  Helenium bigelovii Milo S. Baker 1939-5-19 9331 Sonoma Perry Marsh near Molino. Comment
  CAS-BOT-BC262954  Helenium puberulum Peter Rubtzoff 1959-9-19 4286 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC309583  Helenium puberulum Peter Rubtzoff 1951-11-24 833 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  UCR280186  Helenium puberulum Peter Rubtzoff 1958-7-26 3796 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC262959  Helenium puberulum Peter Rubtzoff 1979-8-6 9303 Sonoma Knights Valley, off south side of Bavarian Lion Company ranch road (between it and a creek) 1.25 - 1.5 miles west of its junction with Franz Valley Road (0.4 miles south of Hwy. 128). Comment
  UCD132751  Helenium puberulum Mary M. Hektner 1974-7-27 181 -A Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC314739  Helianthella californica var. californica Catherine Best 1981-5-16 s.n. Sonoma About three miles east of Sonoma on Wood Valley Road Comment
  HSC87844  Heliotropium curassavicum var. oculatum Clare R. Wheeler 1982-8-27 3278 Sonoma Wheatfield Fork of the S Fork Gualala River, ca. 1.5 mi. upriver from Twin Bridges (Annapolis Rd.) 15 Comment
  SEINET1782495  Heliotropium oculatum A. A. Heller 1902-7-8 5813 Sonoma Russian river at Healdsburg. Comment
  CAS-BOT-BC305969  Helminthotheca echioides G. DeNevers 1981-6-15 1517 Sonoma Pepperwood Ranch. At the big road cut on Franz Valley Road Comment
  UCD164995  Hemizonia Peter Rubtzoff; Nancy harrison 1974-9-7 7875 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  CAS-BOT-BC258395  Hemizonia Peter Rubtzoff 1974-5-18 7422 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  RSA800073  Hemizonia Peter Rubtzoff 1956-9-24 2943 Sonoma Stony Point Marsh. Comment
  UCD166306  Hemizonia Peter Rubtzoff 1966-8-25 5804 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  RSA81576  Hemizonia clevelandii James I. McMurphy 1909-7-10 502 Sonoma Hills near Cloverdale. Comment
  RSA81582  Hemizonia clevelandii James I. McMurphy 1909-8-9 709 Sonoma 1 mile S of Sonoma. Comment
  RSA94176  Hemizonia clevelandii F. W. Peirson 1925-8-8 6347 Sonoma About 1 mile N of Santa Rosa. Comment
  UCD167319  Hemizonia congesta James Neilson 1977-6-7 3911 Sonoma Mayacmas Mountains, Locke Cabin area east of Lunar Point. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC306165  Hemizonia congesta subsp. clevelandii L. R. Abrams 1916-7-4 5785 Sonoma Road between Petrified Forest and Mark West Comment
  JEPS38350  Hemizonia congesta subsp. clevelandii W. L. Jepson 1921-9-12 9489 Sonoma Hayground Alexander Valley (s side of valley) 45 Comment
  UC577147  Hemizonia congesta subsp. clevelandii Lewis S. Rose 1935-9-11 35622 Sonoma 2 mi n Healdsburg 39 Comment
  UC990644  Hemizonia congesta subsp. clevelandii James I. McMurphy 1909-8-9 709 Sonoma 1 mi s Sonoma Comment
  SDSU4579  Hemizonia congesta subsp. clevelandii D. F. Howe 1965-8-14 4103 Sonoma East of Santa Rosa. 122 Comment
  CAS-BOT-BC306224  Hemizonia congesta subsp. congesta John Thomas Howell 1945-8-14 21408 Sonoma Perry Marsh Comment
  CAS-BOT-BC306229  Hemizonia congesta subsp. congesta Alice Eastwood; John Thomas Howell 1936-7-4 3822 Sonoma 2 miles n. of Windsor Comment
  CAS-BOT-BC306245  Hemizonia congesta subsp. congesta James I. McMurphy 1909-5-28 s.n. Sonoma 2 miles south of Fulton Comment
  UCD132986  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-7-1 1080 Sonoma Three-tenths of a mile up Grubb Creek from the Bohemian Highway below reservoir and on south side of creek. Comment
  CAS-BOT-BC309684  Hemizonia congesta subsp. lutescens R. F. Hoover 1969-8-31 11567 Sonoma Adobe Road and Casa Grande Road near Petaluma Comment
  SBBG8412  Hemizonia congesta subsp. lutescens H. and M. Dearing 1939-5-14 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UC990585  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-5-28 Sonoma 1 mi w Santa Rosa Comment
  CAS-BOT-BC309689  Hemizonia congesta subsp. lutescens Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5841 Sonoma Llano Road. Near sewage disposal plant at Laguna de Santa Rosa Comment
  CAS-BOT-BC309698  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 711 Sonoma Summit between Sonoma and Petaluma Comment
  CAS-BOT-BC309708  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-9 715 Sonoma 2 miles south of Santa Rosa on road to Petaluma Comment
  JEPS41000  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 mi ne Penngrove 426 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
  SEINET4560744  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-1 2807 Sonoma North Coast Ranges: Sonoma Valley, Felder Creek drainage, west side of Macabee Rd., 0.2 mi. north of Felder Rd., west of Arnold Dr. 34 Comment
  UC480911  Hemizonia congesta subsp. luzulifolia Katharine Brandegee 1910-8-14 Sonoma Cobb. Mt. Cobb Mt. Comment
  UC990605  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-8-7 699 Sonoma 7 mi from Santa Rosa (on road to Calistoga) Comment
  UCR233088  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2806 Sonoma North Coast Ranges, Sonoma Valley, Glen Ellen area, entrance road to Sonoma Valley Regional Park, 0.1 mi. west of Hwy 12 110 Comment
  CAS-BOT-BC309953  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-8-8 705 Sonoma Kenwood Comment
  CAS-BOT-BC309965  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-8-9 714 -A Sonoma 4-1/2 miles south of Santa Rosa Comment
  UC32737  Hemizonia congesta subsp. luzulifolia F. T. Bioletti 1892-7-1 Sonoma Chauvert's Comment
  RSA81599  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-5-29 s.n. Sonoma Grade, ridge S of the Geysers. Comment
  SEINET11843059  Hemizonia pungens W. Knight, Knight, I. 1984-1 5422 Sonoma Willow Creek Rd 61 Comment
  RSA81602  Hemizonia pungens subsp. pungens James I. McMurphy 1909-8-9 712 Sonoma Hills between Sonoma and Petaluma. Comment
  JEPS112828  Hesperevax sparsiflora var. sparsiflora Dean W. Taylor 1994-5-4 14216 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road 249 Comment
  UCD111465  Hesperocnide tenella P. G. Connors 1995-6-2 342 Sonoma Bodega Head and Dunes. Comment
  LA6482  Hesperocyparis goveniana Milo S. Baker; March 1933 7562 Sonoma near summit of Harrison's Grade near Occidental Comment
  OBI70563  Hesperocyparis macnabiana D. G. Kelch 2007-5-13 7 .284 Sonoma Cavedale Rd 518 Comment
  UCR49205  Hesperolinon L. F. LaPre 1987-7-30 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  RSA151707  Hesperolinon clevelandii H. K. Sharsmith 1947-5-30 3966 Sonoma Southern slope of Hood Mountain, volcanic rock, altitude 800 feet, near Grant line. 244 Comment
  RSA143958  Hesperolinon micranthum Roxana S. Ferris, Laura Lorraine 1961-6-15 13560 Sonoma Harrison Grade, 1.3 mile from junction with Green Valley Road Comment
  UC1212381  Hesperolinon spergulinum Helen K. Sharsmith 1947-5-30 4104 Sonoma ca 1 mi beyond origin of Pine Flat road from Alexander Valley (canyon of Saysal Creek); Inner North Coast Ranges, Mayacamas Range, Saysal Creek 182 Comment
  UC1212391  Hesperolinon spergulinum Helen K. Sharsmith 1952-7-23 4168 Sonoma 1.1 mi ne Skaggs Springs; Inner North Coast Ranges 106 Comment
  UCD151299  Hesperolinon spergulinum James A. Neilson Jr. 1974-7-24 2967 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 Comment
  UC1212387  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-18 4126 Sonoma n of Pine Flat (slopes above Florence Creek); Inner North Coast Ranges, Mayacamas Mountains, Florence Cree 670 Comment
  CAS-BOT-BC149832  Heteromeles arbutifolia Peter Rubtzoff 1952-6-15 1268 Sonoma Fitch Mtn. Grove, near Healdsburg Comment
  UC1128116  Heteromeles arbutifolia J. B. Spring, R. W. Lundh 1932-7-8 101 Sonoma 1 mi n Sonoma; Napa Quad. 152 Comment
  CAS-BOT-BC310984  Heterotheca grandiflora Freed Hoffman 1943-12-1 s.n. Sonoma Northwood, Russian River near Guerneville Comment
  CAS-BOT-BC251213  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Comment
  UCD168047  Heterotheca oregona James A. Neilson Jr. 1983-10-24 4103 Sonoma Mayacmas Mountains, Hummingbird Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  UCD102637  Heuchera micrantha Frederica Bowcutt 1996-5-23 2147 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. Toe of Sugarloaf Ridge, just S of campground. Comment
  RSA0063040  Heuchera pilosissima H. C. Cantelow 1941-6-7 s.n. Sonoma Near Bodega Bay. On State Hwy 1. Comment
  SEINET11842956  Hieracium albiflorum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -165 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 330 Comment
  CDA12904  Hierochloe occidentalis G. F. Hrusa, R. Gross, F. Luna 1996-3-29 12738 Sonoma North Coast Biodiversity Arena; Upper shaded slopes of Neeley Hill. S end of Neeley Rd. approx. 2 m. S of Guerneville and 3 m. N of Bohemian Grove on Russian River. Perennial, bunching. Uncommon here. Comment
  SEINET9299749  Hierochloe occidentalis Unknown 1996-3-29 12738 Sonoma Guerneville Comment
  UCR32183  Holcus lanatus David J. Keil 1983-6-29 17202 Sonoma c. 10 mi SE of Ft. Ross along Hwy 1 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
  UCD84979  Holcus lanatus M. Wiesendanger 1927-5-5 722 Sonoma Sonoma County. Sonoma. Comment
  UC990598  Holocarpha virgata subsp. virgata James I. McMurphy 1906-7-17 Sonoma Fulton Comment
  UCD38483  Holodiscus discolor Beecher Crampton 1955-6-17 2957 Sonoma 5 miles west of Cazadero, road to Fort Ross. Comment
  CAS-BOT-BC166675  Holozonia filipes Peter Rubtzoff; Nancy Harrison 1976-6-18 8646 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC315812  Holozonia filipes James I. McMurphy 1909-8-18 704 Sonoma Kenwood Comment
  UCR244743  Holozonia filipes Peter Rubtzoff 1971-7-9 6601 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  POM53174  Holozonia filipes A. A. Heller 1902-7-1 5800 Sonoma Lagoon at Sebastopol Comment
  RSA783727  Holozonia filipes Peter Rubtzoff 1961-7-22 4661 Sonoma Bennett Mountain Lake. Comment
  UCD85388  Hordeum brachyantherum P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  SEINET11690142  Hordeum brachyantherum J. T. Howell, Knight, W.; Knight, I. 1987-1 6246 Sonoma Todd Road Preserve 24 Comment
  UCD147291  Hordeum brachyantherum subsp. brachyantherum Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 304 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  SEINET248557 Image available Hordeum leporinum Richard R. Halse 1987-2-2 3375 Sonoma Along State Hwy. 121, .4 miles E of its junction with State Hwy 116 at Big Bend in the Sonoma Valley. 6 Comment
  CAS-BOT-BC285188  Hordeum marinum subsp. gussoneanum H. S. Yates 1936-5-16 5601 Sonoma 2 miles southeast of Forestville 30 Comment
  CAS-BOT-BC285194  Hordeum marinum subsp. gussoneanum Peter Rubtzoff 1961-5-24 4595 Sonoma Upper Stemple Creek Marsh Comment
  UCD81357  Hordeum marinum subsp. gussoneanum Frederica Bowcutt; Jolie Hendricks, Jeff Kennedy 1994-5-1 1791 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Campground S of Sonoma Creek approx. 125 yds. 1/4 mile NW of confluence of Rattlesnake Creek, meadow in center of campground. 350 Comment
  SEINET10595770  Hordeum murinum A. Arthur Heller 1902-4-11 Heller 5278 Sonoma Bodega Bay in sand. Comment
  UCD86475  Hordeum murinum subsp. glaucum R. Tofsrud 1949-4-1 s.n. Sonoma Road to 'Top O World.' N of Sonoma. Comment
  SEINET4670524  Hordeum murinum subsp. leporinum R. Halse 1987-2-22 3375 Sonoma Along State HWY 121, 0.4 miles east of its junction with State HWY 116 at Big Bend in the Sonoma Valley. 6 Comment
  CAS-BOT-BC282023  Hordeum murinum subsp. leporinum David L. Morgan 1956-4-8 s.n. Sonoma 4 miles W of Sebastopol, at junction of Burnside and Gold Ridge Roads Comment
  SEINET4670535  Hordeum murinum subsp. leporinum V. Longozo 1999-4-19 s.n. Sonoma Bodega Bay Highway 0 Comment
  CAS-BOT-BC536155  Horkelia californica David D. Keck 1944-7-11 5516 Sonoma 1 mile south of bridge across mouth of Russian River, 1/2 mile from ocean 22 Comment
  SBBG119671  Hosackia gracilis G. F. Pratt, C. Pierce 2003-5-15 Sonoma Salt Point State Park 30 Comment
  SEINET957358  Hosackia gracilis S. Walker 1983-1 83 H-102 Sonoma In ditch beside road to Goat Rock. Comment
  SEINET957970  Hosackia oblongifolia L. S. Rose 1962-1 62062 Sonoma 1 mi. NW of Freestone. 76 Comment
  CAS-BOT-BC175971  Hypericum Peter Rubtzoff 1971-6-10 6535 Sonoma Pitkin Marsh, near Forestville. Near the southern end of the upper part of the marsh Comment
  CAS-BOT-BC400997  Hypericum anagalloides Peter Rubtzoff 1954-7-29 1610 Sonoma Guerneville Marsh Comment
  SEINET7062821  Hypericum anagalloides A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point. UTM Zone 10, 464491mE, 4278527mN. (WGS84/NAD83). 0 Comment
  CAS-BOT-BC316679  Hypochaeris glabra Peter Rubtzoff 1952-5-31 1101 Sonoma Upper Marsh Comment
  CAS-BOT-BC319045  Hypochaeris glabra Peter Rubtzoff 1953-11-1 1429 Sonoma Vacation Beach near Guerneville, Russian River Comment
  JEPS128241  Hypochaeris glabra Roger Raiche 2000-5-4 078 .00 Sonoma The Cedars. Promentory, Cabin Site. Lower Russian River, Big Austin Creek watershed. Comment
  UCD136313  Hypochaeris radicata M. Rei Scampavia Evangelista 2012-5-19 6 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, travel down Pepperwood Road towards the Visitor Center. Take a left at the sign for the Betchel House. Follow signs on dirt roads that direct towards Three Tree Hill. Park at the top of Three Tree Hill, then take a bearing of 280 degrees for 250 meters. 408 Comment
  SEINET10529075  Iris douglasiana R. D. Sage 1992-1-11 Sage 13410 Sonoma Collected along graton rd, 1-2 km e-ne from occidental. Comment
  SEINET3875269  Iris douglasiana Janet McIntosh 1966-4-27 24 Sonoma Ca. 1000 feet from shore; State Highway 1, 5 miles North of Jenner, Sonoma County, California.; 0 Comment
  UCD160311  Iris fernaldii James A. Neilson Jr. 1975-5-23 3211 Sonoma Truit Creek at Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  RSA135876  Iris fernaldii Lee W. Lenz, E. K. Balls 1951-5-3 16408 Sonoma Between Kellogg and Alexander Valley, Maacama (Miyakama) Creek, 2 miles from turn-off to Geyserville from Petrified Forest 610 Comment
  UCD138723  Iris fernaldii Erik Beever 1993-5-8 227 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Pony Gate Trail. 365 Comment
  CAS-BOT-BC133678  Iris longipetala Peter Rubtzoff 1962-6-19 4925 Sonoma Occidental Marsh Comment
  UC566066  Iris macrosiphon E. Armstrong 1934-3-26 937 Sonoma 4 mi n Camp Meeker; Sebastopol Quad. 91 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
  UCR244748  Isoetes Peter Rubtzoff 1969-5-24 6053 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road 427 Comment
  CAS-BOT-BC61926  Isoetes nuttallii Peter Rubtzoff 1951-6-7 138 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC112414  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh near Forestville: Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112409  Isolepis carinata Peter Rubtzoff 1955-4-23 1776 Sonoma Bennett Mtn Lake. Comment
  SD134078  Isolepis cernua Peter Rubtzoff 1963-6-5 5152 Sonoma Brooks Gulch Marsh, open, wet ground. (IPB 11/07) Comment
  UC842406  Juncus covillei John Thomas Howell 1937-7-4 13078 Sonoma near Petrified Forest Comment
  UCR279628  Juncus dubius Peter Rubtzoff, Betty Lovell 1975-8-11 8314 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC164382  Juncus effusus Peter Rubtzoff 1968-7-13 5920 Sonoma Sonoma: upper Salmon Creek Marsh Comment
  RSA785889  Juncus effusus Peter Rubtzoff 1964-7-29 5454 Sonoma Duncans Mill Marsh. Comment
  UCD144658  Juncus effusus subsp. pacificus Frederica Bowcutt 1994-5-1 1781 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco,10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. Campground S of Sonoma Creek about 150 yards. 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  SD262153  Juncus effusus var. pacificus Peter Rubtzoff 1959-6-20 4177 Sonoma Willow Creek Marsh (Duncan Hills 7.5'Q) 9 Comment
  UCD84293  Juncus hemiendytus var. hemiendytus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC245808  Juncus hemiendytus var. hemiendytus Alice Eastwood; John Thomas Howell 1940-5-5 7865 Sonoma Summit of Bennett Valley Road Comment
  CAS-BOT-BC164035  Juncus hesperius Peter Rubtzoff 1968-7-13 5919 Sonoma Sonoma: upper Salmon Creek Marsh Comment
  UCD167419  Juncus hesperius Peter Rubtzoff 1964-8-3 1634 Sonoma Lower Salmon Creek Marsh. Comment
  RSA0015644  Juncus lescurii Peter Rubtzoff 1959-6-20 4179 Sonoma Willow Creek Marsh. Comment
  UCD141617  Juncus nevadensis Frederica Bowcutt 1997-7-18 2182 a Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge west of Bear Creek. 365 Comment
  CAS-BOT-BC210118  Juncus occidentalis Peter Rubtzoff 1974-6-2 7523 Sonoma Upper Green Valley Marsh Comment
  RSA94255  Juncus occidentalis Peter Rubtzoff 1951-7-28 563 Sonoma Pitkin Marsh, near Forestville; Lower part of the Upper Marsh. Comment
  RSA94015  Juncus phaeocephalus var. phaeocephalus Peter Rubtzoff 1951-7-21 509 Sonoma Pitkin Marsh, near Forestville; Between the Upper and the Lower marshes. Comment
  CAS-BOT-BC320542  Kickxia Peter Rubtzoff 1971-8-9 6633 Sonoma Laguna, Chileno Valley. Comment
  SEINET10607050  Koeleria macrantha A. Arthur Heller 1902-4-23 Heller 5352 Sonoma Near Sonoma. Comment
  CAS-BOT-BC273787  Koeleria pyramidata G. DeNevers 1981-5-23 1289 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  CAS-BOT-BC376338  Lactuca Greg de Nevers 1997-8-17 11076 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  CAS-BOT-BC340486  Lactuca saligna Walter Knight; Irja Knight 1963-9-15 240 Sonoma Los Alamos Rd, Santa Rosa Comment
  CAS-BOT-BC341708  Lagophylla ramosissima G. DeNevers 1981-6-26 1667 B Sonoma Pepperwood Ranch. In Garrison Canyon Comment
  CAS-BOT-BC274316  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point Comment
  UC790934  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mi N of Steward Pt Comment
  SJSU9868  Lagurus ovatus S. H. Casey 1969-5-13 238 Sonoma 3 mi N of Stewarts Point Comment
  UCD36536  Lamarckia aurea Beecher Crampton 1954-4-26 1793 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  CAS-BOT-BC486685  Lamiaceae Peter Rubtzoff 1957-6-28 3374 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC486691  Lamiaceae Peter Rubtzoff 1974-5-25 7452 Sonoma Upper Green Valley Marsh Comment
  CDA28919  Lamium purpureum C. Morgan 2009-3-19 s.n. Sonoma Kenwood, 9550 Frederica. 0 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
  UC1594208  Lasthenia burkei L. Huntington 1990-5-12 260 Sonoma n side of Laguna de Santa Rosa; Sebastapol 18 Comment
  RSA784684  Lasthenia burkei Mark Elvin 1997-5-7 399 Sonoma Near SE corner of Sonoma Co airport adjacent to main runway. 11 Comment
  SEINET7067258  Lasthenia californica A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  CAS-BOT-BC346332  Lasthenia californica G. DeNevers 1981-4-18 739 Sonoma Pepperwood Ranch. By the Studio Comment
  CAS-BOT-BC355521  Lasthenia glaberrima Alice Eastwood 1921-4-24 10356 Sonoma Santa Rosa Comment
  CAS-BOT-BC370851  Lasthenia minor Katharine Brandegee 1905-6-1 s.n. Sonoma Bodega Comment
  CAS-BOT-BC370893  Lasthenia minor Alice Eastwood 1901-4-1 s.n. Sonoma Bodega Comment
  CAS-BOT-BC370891  Lasthenia minor D. H. Morey 1958-4-10 13331 Sonoma adjacent to Bodega Head Comment
  CAS-BOT-BC164396  Lathyrus Peter Rubtzoff 1974-8-31 7851 Sonoma Kenwood Marsh. Comment
  UCD84095  Lathyrus angulatus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  UCD106205  Lathyrus cicera Botany 102 Students 1994-6-12 1843 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  CAS-BOT-BC204991  Lathyrus jepsonii var. californicus A. A. Heller 1902-6-11 5692 Sonoma Santa Rosa Creek, east of Santa Rosa 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
  CAS-BOT-BC164644  Lathyrus tingitanus Peter Rubtzoff 1958-9-28 4018 Sonoma Guerneville region, Vacation Beach, near Guerneville. Comment
  HSC79028  Lathyrus vestitus A. C. Sanders 1985-1-19 5372 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  RSA12254  Lathyrus vestitus subsp. bolanderi Carl B. Wolf 1934-6-29 5799 Sonoma 6/10 of a mile inland from Stewarts Point. 61 Comment
  RSA74587  Lathyrus vestitus subsp. bolanderi C. L. Hitchcock 1950-6-6 19257 Sonoma 2 miles N of Fort Ross. Comment
  SEINET12165541  Lathyrus vestitus subsp. bolanderi F. H. Utech 1986-1 86 -119 Sonoma ca 6 mi NE on Cavedale Road 600 Comment
  POM277788  Lathyrus vestitus subsp. vestitus Lyman Benson 1928-3-24 93 Sonoma Geyserville 152 Comment
  CDA27145  Lathyrus vestitus var. ochropetalus G. D. Barbe 1982-5-27 3622 Sonoma 3.6 miles east of Stewarts Point (Highway 1), on Skaggs Spring Road. 0 Comment
  SEINET7067252  Layia chrysanthemoides A. G. Vestal 1947-5-13 s.n. Sonoma South Sonoma Coast, about 1.3 miles north of Salmon Creek on Route 1. Coordinate datum: NAD27. Comment
  UC913071  Layia chrysanthemoides David D. Keck 1931-4-1 992 Sonoma 2 mi n Sears Point (9 mi s of Sonoma, southern Sonoma County) 10 Comment
  CAS-BOT-BC323236  Layia chrysanthemoides John Thomas Howell 1931-4-18 6426 Sonoma 8 miles N of Bay Comment
  CAS-BOT-BC323253  Layia chrysanthemoides Wayne Roderick 1967-5-7 s.n. Sonoma 2 miles E of Petaluma 15 Comment
  SEINET3071642 Image available Layia chrysanthemoides subsp. maritima J. C. Clausen 1935-5-24 1090 Sonoma 6.2 mi. S. of Jenner Comment
  CAS-BOT-BC321725  Layia gaillardioides David D. Keck; J. Clausen 1935-6-15 3379 Sonoma Russian River, 3 mi above mouth. Comment
  UC89333  Layia platyglossa Alice Eastwood Sonoma Bodega Point Comment
  UCD133980  Layia platyglossa Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 41 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC274360  Leersia oryzoides Peter Rubtzoff 1961-10-18 4772 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads Comment
  UCD166137  Lemna Peter Rubtzoff 1969-5-11 6049 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road. Comment
  RSA785220  Lemna Peter Rubtzoff 1970-5-30 6253 Sonoma 5 mi. north of Sears Point. Comment
  CAS-BOT-BC210108  Lemna gibba Peter Rubtzoff 1969-7-13 6111 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road Comment
  RSA0028898  Lemna gibba Peter Rubtzoff 1961-8-6 4674 Sonoma Americano Creek, 0.5 mi east of Valley Ford. Comment
  UCR254728  Lemna minima Peter Rubtzoff 1955-7-31 2007 Sonoma Forestville Marsh [c. 0.5 mi E of Forestville, NW of Sebastopol] 50 Comment
  CAS-BOT-BC344877  Lemna minor Peter Rubtzoff 1958-8-31 3956 Sonoma Atascadero Creek Marsh. Comment
  UCR255075  Lemna minor Peter Rubtzoff 1960-6-5 4434 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road 30 Comment
  SEINET11768003  Lemna minor Unknown 1940-1 1011 Sonoma behind Fountaingrove Vineyard 3 mi N of Santa Rosa along Hwy 101 Comment
  CAS-BOT-BC527286  Lemna minuta Peter Rubtzoff 1964-8-20 5467 Sonoma One mile southeast of jenner near crossing of Hwys. 1 and 12 Comment
  RSA0065912  Lemna valdiviana Peter Rubtzoff 1958-6-1 3686 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road. Comment
  CAS-BOT-BC339167  Leontodon saxatilis subsp. saxatilis Mary P. Wells 1983-8-3 170 Sonoma Timber Reserve of Oceanic of California, Inc., The Sea Ranch Comment
  CAS-BOT-BC215729  Lepechinia calycina Walter Knight; Irja Knight 1964-1-17 512 Sonoma Upper Hooker canyon, Cavedale Road Comment
  CAS-BOT-BC89146  Lepidium didymum Peter Rubtzoff 1987-10-17 9870 Sonoma Russian River at Forest Hills, 5.5 mile east of Guerneville, 9981 Old River Road near Forest Hills Road junction. Comment
  SJSU8213  Lepidium latifolium W. Savage 1976-7-9 1083 Sonoma marsh between Northwestern R.R. tracks & former channel of Petaluma R, Schultz Slough 1 Comment
  CAS-BOT-BC12659  Lepidium nitidum A. A. Heller; H. E. Brown 1902-3-14 5054 Sonoma Near Santa Rosa. Comment
  HSC6827  Lepidium nitidum R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1342 Sonoma 7 mi. W of Big Geysers along Sulphur Creek Comment
  CAS-BOT-BC12758  Lepidium oxycarpum John Thomas Howell 1931-4-1 6039 Sonoma 9 miles southwest of Sonoma on road to San Rafael. Comment
  UC10632  Lepidium virginicum Alice King Sep 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC226541  Leptosiphon acicularis F. P. Bailey 1925-4-26 85 Local Sonoma Geyserville Comment
  SBBG53027  Leptosiphon androsaceus M. R. Benedict 1978-4-18 Sonoma Warm Springs Dam site Comment
  RSA6406  Leptosiphon androsaceus Jens Clausen 1933-3-25 733 Sonoma Santa Rosa Creek. 183 Comment
  CAS-BOT-BC361344  Leptosiphon harknessii Greg de Nevers 1997-4-24 10968 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD55069  Leptosiphon jepsonii Ellen Dean; Tammie Beyerl 2006-4-28 3013 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  CAS-BOT-BC123031  Lessingia ramulosa Amos Arthur Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  JEPS20588  Lessingia ramulosa John Thomas Howell 1926-11-14 2250 Sonoma hills se Santa Rosa Comment
  UC1287461  Lessingia ramulosa Willard Spence 1960-9-13 631 Sonoma 2.5 mi w Graton (at junction of Graton Rd. and Green Hill Rd.) Comment
  UC65346 Image available Lessingia ramulosa A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa; ; Santa Rosa, Sonoma Co. Comment
  UCR255049  Leucanthemum vulgare Greg de Nevers 1998-5-20 11253 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCR255875  Leucanthemum vulgare Greg de Nevers 1994-4-1 10517 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCR246786  Leucojum aestivum Ramona Robison 2012-2-15 s.n. Sonoma Santa Rosa, Annadel State Park 351 Comment
  UCD92468  Leymus X vancouverensis Freed W. Hoffman 1943-7-10 2170 Sonoma North Coast Ranges. Wright's Beach, Sonoma Coast. Comment
  RSA0045174  Ligusticum apiifolium Greg de Nevers 1998-7-15 11294 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, just upstream of bridge at Mark West Lodge. 100 Comment
  UCR255038  Ligusticum apiifolium Greg de Nevers 1998-5-31 11269 A Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC451697  Lilaea scilloides Peter Rubtzoff 1955-4-23 1785 Sonoma Bennett Mtn. Lake. Comment
  CHSC22062  Limnanthes douglasii Robert A. Schlising 1962-3-31 2109 Sonoma Coast Ranges. Field. Comment
  HSC15782  Limnanthes douglasii L. S. Rose 1965-4-4 65020 Sonoma Sonoma 24 Comment
  JEPS19605  Limnanthes douglasii W. L. Jepson 1914-4-11 5804 Sonoma Sonoma Valley 35 Comment
  UC75635  Limnanthes douglasii subsp. douglasii Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  UC73451  Limnanthes douglasii subsp. douglasii Milo S. Baker Apr. 1899 Sonoma Santa Rosa to Stony Point (roadside) Comment
  UC796464  Limnanthes douglasii subsp. nivea Ira L. Wiggins 1949-4-30 12064 Sonoma four mi w Calistoga Comment
  RSA215941  Limnanthes douglasii subsp. nivea Peter Rubtzoff 1966-4-30 5693 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 mile from Llano Road. Comment
  UC635633  Limnanthes douglasii subsp. nivea H. L. Mason 1926-3-20 2746 Sonoma marshes s Calistoga (along railroad right-of-way) Comment
  SEINET5586467  Limnanthes douglasii var. nivea Paul But 1975-1 990 Sonoma Western end of Sebastopol city limit. Comment
  CAS-BOT-BC45948  Limnanthes vinculans Peter Rubtzoff 1958-5-17 3669 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road). Comment
  CAS-BOT-BC45950  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5689 Sonoma North side of Hessel Rd. just west of Hwy. 116 Comment
  CAS-BOT-BC45951  Limnanthes vinculans John Thomas Howell 1947-6-5 23233 Sonoma Cunningham Marsh Comment
  JEPS39648  Limnanthes vinculans Robert Ornduff 1965-5-8 6864 Sonoma se of Cunningham (at junction of Hessel Road and Calif. Hwy. 116) Comment
  UC1331758  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Road 1.4 mi from Hwy. 116 (0.6 mi from Llano Road); ; Todd Road, near Llano Road, Sonoma Co. Comment
  UC1925911  Limonium californicum Ethel Crum 1930-10-5 869 Sonoma Petaluma Marshes, Sonoma County to Rio Vista, Solano County. Comment
  UC730032  Linanthus jepsonii Leo F. Koch 1940-4-22 832 Sonoma 15 mi from Geysers; Sulfur Creek Canyon Comment
  UCD110569  Linum bienne Mary M. Hektner 1974-5-27 006 Sonoma Unit 7 Owners' Map, south of Whaler's Reach, Sea Ranch, near State Highway 1. Comment
  UCD37352  Linum bienne Beecher Crampton 1959-6-16 5390 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  HSC100874  Linum trigynum Peter Warner 2011-6-24 220 Sonoma Jenner Headlands property, NW area Above-the-House-Field, W of water trough, S of fence boundary. 273 Comment
  CAS-BOT-BC36012  Lithocarpus densiflorus var. densiflorus Mary P. Wells 1985-7-10 547 Sonoma King's Ridge Road Comment
  CAS-BOT-BC430585  Lithophragma affine G. DeNevers 1981-4-11 697 Sonoma Pepperwood Ranch Comment
  POM266014  Lomatium caruifolium Lincoln Constance, Reed Rollins 1942-5-10 2862 Sonoma Sonoma County: 4 miles N of Geyserville. 61 Comment
  JEPS128264  Lomatium dasycarpum subsp. tomentosum Roger Raiche 2000-4-8 033 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  POM117353  Lomatium macrocarpum Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  JEPS25112  Lomatium nudicaule G. Thomas Robbins with Hsuan Keng and Erika Amstutz 1959-4-3 3968 Sonoma s.w. El Verano (along Arnold Dr.); Sonoma Valley 30 Comment
  CAS-BOT-BC217806  Lomatium repostum G. L. Stebbins 1966-5-1 6390 Sonoma Rincon Ridge north of Santa Rosa Comment
  SEINET12121510  Lomatium repostum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -089 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 244 Comment
  CAS-BOT-BC240650  Lonicera hispidula Alice Eastwood 1915-6-5 4565 Sonoma Petrified Forest Comment
  CAS-BOT-BC241418  Lonicera japonica Peter Rubtzoff 1952-5-31 1130 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west Comment
  CAS-BOT-BC540820  Lotus Peter Rubtzoff 1971-6-26 6575 Sonoma Willow Creek Marsh. Comment
  UC1784166  Lotus aboriginus Milo S. Baker April 1930 4846 a Sonoma roadside near Plantation Comment
  RSA22095  Lotus angustissimus Alice Eastwood, John T. Howell 1938-7-11 6267 Sonoma Near Stillwater Cove Comment
  POM18310  Lotus benthamii A. A. Heller 1903-4-25 7458 Sonoma Fort Ross Comment
  UC566201  Lotus humistratus H. S. Yates 1934-4-22 3861 Sonoma near Petrified Forest; Calistoga Quad. 243 Comment
  CDA36838  Lotus micranthus 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
  UC400143  Lotus purshianus var. purshianus Ynes Mexia 1929-6-2 2392 Sonoma near Mark West Springs Comment
  RSA27256  Lotus scoparius var. scoparius Marcus E. Jones 1902-7-18 s.n. Sonoma Duncans Mills Comment
Read comments Nov 19 2011
  RSA0059082  Lotus subpinnatus Greg de Nevers 1992-5-2 10138 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd. Along Franz Creek. 91 Comment
  RSA31648  Lotus unifoliolatus A. A. Heller 1941-8-8 16278 Sonoma West of the Petrified Forest. Comment
  RSA27249  Lotus wrangelianus Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan[s] Mills. Comment
  RSA800129  Ludwigia palustris var. pacifica Peter Rubtzoff 1954-6-7 1486 Sonoma Guerneville Marsh Comment
  RSA800209  Ludwigia palustris var. pacifica Peter Rubtzoff 1954-8-12 1698 Sonoma Bennett Mountain Lake. Comment
  SEINET7067330 Image available Lupinus A. G. Vestal 1947-5-16 s.n. Sonoma About 8.2 miles East of Windsor on Mendocino Avenue [in Santa Rosa]. Coordinate datum: NAD27. UTM Zone 10, 524713mE, 4255867mN. Comment
  UCR275271  Lupinus Peter Rubtzoff 1974-6-22 7624 Sonoma Todd Road, 1.5 miles from Highway 116 and 0.5 mile from (west of) Llano Road 24 Comment
  CAS-BOT-BC201287  Lupinus Charles Piper Smith 1947-6-19 47526 Sonoma Mark West Road near Petrified Forest Comment
  RSA0023079  Lupinus Peter Rubtzoff 1974-6-22 7624 Sonoma Todd Road, 1.5 miles from Highway 116 and 0.5 miles from (west of) Llano Road. Comment
  JEPS57129  Lupinus albifrons L. R. Heckard 1967-5-7 1593 Sonoma w of summit Hood Peak; w of summit of Hood Peak 792 Comment
  SD130430  Lupinus albifrons var. albifrons F. Almeda, G. DeNevers 1981-4-28 4912 Sonoma Pepperwood Ranch: vicinity of the Bechtel cabin in and about serpentine chaparral. Comment
  CAS-BOT-BC196459  Lupinus arboreus Alice Eastwood; John Thomas Howell 1939-4-2 7371 Sonoma North of Bodega Bay Comment
  HSC42043  Lupinus arboreus S. Saufferer 1973-5-24 216 Sonoma Bodega Bay Comment
  RSA0070145  Lupinus arboreus Daisie Huang 2006-5-30 06053016 Sonoma Bodega Marine Laboratory. In parking lot. 3 Comment
  UC127548  Lupinus arboreus Setchell 1900-4-3 3 Sonoma Comment
  CDA36849  Lupinus bicolor 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
  UC1300894  Lupinus bicolor Helen K. Sharsmith 1963-5-25 5479 Sonoma on road from Freestone to Occidental; San Francisco Bay Region, rd fr Freestone to Occidental 121 Comment
  UCR275269  Lupinus bicolor Peter Rubtzoff 1974-4-17 7377 Sonoma Upper Green Valley Marsh Comment
  UCD107129  Lupinus bicolor Botany 102 Students 1993-4-17 37 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, and 18 air miles NW of Napa. About 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge. SE of Red Mountain about 1 air mile. Near group campground. 365 Comment
  HSC34851  Lupinus densiflorus var. aureus Thomas W. Nelson 1975-5-8 1812 Sonoma Beside Hwy. 101 just S of Ash Creek near the Mendocino-Sonoma Co. line Comment
  SEINET10485253  Lupinus densiflorus var. palustris Melvin L. Conrad, David B. Dunn; Katherine L. Morris 1973-6-8 Conrad 7076 Sonoma Roadside along hwy 1, 3.4 mi. N of jenner. 91 Comment
  SEINET10485343  Lupinus formosus P. Rubtzoff 1974-6-22 Rubtzoff 7624 Sonoma Todd road, 1.5 mi from hwy 116 and .5 mi from (w of) llano road. Vernally wet, Now dry meadow. Comment
  OBI39569  Lupinus latifolius F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-16 84 -084 Sonoma Ca. 4.0 mi NNW of Sonoma on Cavedale Rd from jctn with CA hwy 12; ca 0.5 mi N on Cavedale Rd from jctn 152 Comment
  SEINET10450573  Lupinus latifolius Frederick H. Utech, Walter Knight; Irja Knight 1984-4-16 Utech 84 -084 Sonoma Ca 4.0 mi NNW of Sonoma on Cavedale Rd from jct with CA Hwy 12; ca 0.5 mi N on Cavedale Rd from jct. Plants perennial; scattered in dry, open chaparral. 152 Comment
  OBI56912  Lupinus microcarpus var. densiflorus Rhonda Riggins 1982-5-22 1418 Sonoma Roadside, D St. (Petaluma-Reyes Rd) 1.4 mi S Petaluma Blvd in Petaluma Comment
  UC155230  Lupinus microcarpus var. densiflorus Katharine Brandegee 1907-6-30 Sonoma Cliffs near Bodega Bay; Cliffs near Bodega Bay Comment
  UC424873  Lupinus microcarpus var. densiflorus Milo S. Baker 1930-4-16 4117 a Sonoma on the Lakeport Hiway a few mi e Hopland; e of Hopland Comment
  JEPS86765  Lupinus microcarpus var. microcarpus Jack and Betty Guggolz 1990-6-16 1065 Sonoma one mi nnw Camp Meeker (at the upper end of a reservoir on Grub Creek); Grub Creek 85 Comment
  SD53183  Lupinus microcarpus var. microcarpus Darley F. Howe 1962-5-24 3317 Sonoma Bodega Bay Comment
  SEINET10838281  Lupinus polycarpus Joseph W. Congdon 1880-5-4 Congdon s.n. Sonoma Petaluma. Comment
  CAS-BOT-BC207260  Lupinus sericatus Greg de Nevers 1996-4-19 10794 Sonoma In Devil's Kitchen outcrops on Oak Hill Ranch east of Chalk Mountain, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC207257  Lupinus sericatus Walter Knight; Steve Edwards 1985-11-17 5183 Sonoma Ridge northwest of summit on Kortum Canyon Road Comment
  UCD109576  Lupinus stiversii A. S. Crafts 1935-5-15 s.n. Sonoma Exact location unknown. Comment
  RSA0036442  Lupinus variicolor Daisie Huang 2006-5-30 06053015 Sonoma Bodega Marine Laboratory. Coastal bluff near building. (waypt 30D). 2 Comment
  RSA22011  Lupinus variicolor Alice Eastwood, John T. Howell 1939-4-2 7362 A Sonoma Larkspur Rock Comment
  UCD109667  Lupinus variicolor Eric Davidson 1972-5-27 391 Sonoma near University of California's Bodega Marine Lab, Bodega Head. Comment
  SEINET7075563  Luzula comosa A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley. 38? deg. 24' 31" North Latitude, -122? deg. 37' 52" West Longitude. UTM Zone 10, 532220mE, 4251005mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  UC570331  Luzula comosa H. S. Yates 1936-5-16 5591 Sonoma two mi se Forestville; Sebastopol Quad., se of Forestville 30 Comment
  UC727764  Luzula comosa Milo S. Baker 1946-5-13 11390 Sonoma marsh adjoining Pitkin Marsh on n (Vine Hill Region); , Pitkin Marsh on n 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-BC441296  Luzula macrantha G. De Nevers 1981-3-25 566 Sonoma Pepperwood Ranch. Between the two fir-Redwood canyons Comment
  CAS-BOT-BC441391  Luzula subsessilis G. DeNevers 1981-5-9 1102 Sonoma Pepperwood Ranch: south of Redwood Canyon Comment
  UC1122875  Lythrum hyssopifolia H. S. Yates 1936-5-16 5599 Sonoma 2 mi se of Forestville (Pitkin Marsh); Pitkin Marsh 30 Comment
  RSA0015998  Lythrum hyssopifolia J. T. Howell 1930-6-8 5233 Sonoma 4 miles east of Valley Ford. Comment
  UCD166261  Madia Peter Rubtzoff 1970-8-19 6329 Sonoma On Austin Creek Beach, 3.5 miles south of Cazadero. Comment
  CAS-BOT-BC344037  Madia elegans Barbara Dows 1907-7-12 s.n. Sonoma Sebastopol Comment
  CHSC107497  Madia elegans D. G. Kelch; Troy McGregor 2010-8-22 10 .355 Sonoma Nr Peak of Geyser Peak Rd. Comment
  UC1301040  Madia exigua Helen K. Sharsmith 1963-5-25 5476 Sonoma road from Freestone to Occidental 121 Comment
  UCD136442  Madia exigua M. Rei Scampavia Evangelista 2012-5-20 12 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  CAS-BOT-BC157687  Madia exigua Peter Rubtzoff 1962-6-8 4882 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC343446  Madia gracilis Peter Rubtzoff 1952-6-3 1171 Sonoma Fitch Mtn. Grove, near Healdsburg Comment
  CAS-BOT-BC343451  Madia gracilis John Thomas Howell 1937-7-4 13065 Sonoma Near Petrified Forest Comment
  UC598735  Madia gracilis John Bright 1936-5-2 13114 Sonoma near Healdsburg 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
  LA209925  Madia sativa O. H. Kappler; 1930-6-8 5264 Sonoma 1 mi. east of Bodega Bay Comment
  CAS-BOT-BC166725  Madia sativa Peter Rubtzoff 1962-10-9 s.n. Sonoma Goat Rock area of Sonoma Coast State Park, 1.6 miles from Hwy. 1. Comment
  UCD134339  Madia sativa Ann F. Johnson 1979-6-19 s.n. Sonoma Bodega Dunes State Park. Comment
  CAS-BOT-BC511537  Maianthemum racemosum subsp. amplexicaule Mrs. Alexander McCallum 1894-6-1 s.n. Sonoma Glen Blair Comment
  SEINET12052825  Maianthemum stellatum F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -51 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  CAS-BOT-BC540132  Malus domestica Peter Rubtzoff 1951-11-24 850 Sonoma Western branch of the Upper Marsh; Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC376264  Malva sylvestris Greg de Nevers 1992-9-1 10249 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  JEPS42485  Marah oregana W. L. Jepson 1893-5-1 14130 Sonoma e Mark West Springs; Franz Valley Comment
  RSA784484  Marsilea vestita subsp. vestita Peter Rubtzoff 1964-7-7 5388 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  UCD107788  Medicago polymorpha Jennifer Bury; Peggy Herzog 1993-5-8 294 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 3/4 mile. On Bald Mountain Trail. 396 Comment
  UCD107850  Medicago polymorpha Caitlin Lewis; William Mutch 1993-4-17 24 Sonoma About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile. Near visitor center. 365 Comment
  CAS-BOT-BC269510  Melica californica David L. Morgan 1961-4-15 s.n. Sonoma Bohemian Highway 3 miles north of Occidental Comment
  SEINET197158 Image available Melica geyeri W. S. Boyle 1942-4-26 1075 Sonoma Between Petrified Forest and Mark West Comment
  UC1132265  Melica geyeri H. S. Yates 1937-5-30 6545 Sonoma 3 mi wnw Graton; Sebastopol Quad. 60 Comment
  UC933821  Melica geyeri Leo Koch 1940-4-22 830 Sonoma ca 0.5 mi from bridge over Little Sulphur Creek towards Mercuryville from the Geysers Mercuryville Comment
  UC1132272  Melica harfordii H. S. Yates 1936-5-16 5612 Sonoma 1 mi nw Mountain View School; Sebastopol Quad. 91 Comment
  CAS-BOT-BC262558  Melica torreyana Peter Rubtzoff 1952-6-3 1161 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  POM118379  Melica torreyana Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UCR218736  Melilotus indicus George K. Helmkamp, E. A. Helmkamp 2010-6-4 16223 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
  POM225314  Melissa officinalis J. T. Howell 1932-9-18 10771 Sonoma Bed of slough draining Kenwood Marsh. Comment
  UCD148332  Melissa officinalis Peter Rubtzoff 1954-8-11 1684 Sonoma Guerneville Marsh. Comment
  UCR244600  Mentha Peter Rubtzoff 1958-9-27 4011 Sonoma Laguna de Santa Rosa, northeast of Graton, 1.5 mi north of Guerneville Road 23 Comment
  CAS-BOT-BC164066  Mentha Peter Rubtzoff 1958-5-10 s.n. Sonoma Laguna de Santa Rosa, E of Cunningham, near Llano Road crossing Comment
  RSA785663  Mentha Peter Rubtzoff 1966-10-9 5831 Sonoma Brooks Gulch Marsh. Comment
  UCD148432  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi. east of Healdsburg. Russian River. Comment
  UC1239694  Mentha pulegium Joseph P. Tracy 1947-10-6 17937 Sonoma along Mayacama Creek (w of Knights Valley); along Mayacama Creek, w of Knights Valley 152 Comment
  UC582717  Mentha pulegium Joseph P. Tracy 1935-8-18 14746 Sonoma Knights Valley; Northern Coast Ranges, Knights Valley 152 Comment
  UCSC000631  Mentha pulegium I. J. Condit 2008-8-13 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC173657  Mentha pulegium Peter Rubtzoff 1956-9-16 2921 Sonoma Guerneville region. Vacation Beach, near (1.5 mi. below) Guerneville. Comment
  UCD125174  Mentha pulegium F. L. Griffin Date unknown s.n. Sonoma exact location unknown. Comment
  UCD148454  Mentha pulegium Peter Rubtzoff 1962-8-22 5034 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC164710  Mentha rotundifolia Peter Rubtzoff 1973-8-28 7276 Sonoma Upper Green Valley Marsh. Comment
  RSA784546  Mentha spicata Peter Rubtzoff 1955-8-28 2112 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC428955  Micranthes californica H. L. Mason 1931-3-7 5807 Sonoma Vine Hill School, 12 miles west of Santa Rosa Comment
  JEPS58999  Micropus amphibolus John Thomas Howell 1965-3-25 41033 Sonoma 3 mi se of Sonoma Comment
  UCD136318  Micropus amphibolus M. Rei Scampavia Evangelista 2012-5-20 8 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  CAS-BOT-BC348624  Micropus californicus var. californicus Alice Eastwood 1921-4-24 10381 Sonoma Santa Rosa Comment
  CAS-BOT-BC348629  Micropus californicus var. californicus G. DeNevers 1981-4-20 770 Sonoma Pepperwood Ranch. Pippindale farm. On bench between Studio and the ridge top Comment
  UCD166074  Microseris Peter Rubtzoff; H. A. Froebe 1971-5-30 6499 Sonoma Border of dry vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC348734  Microseris bigelovii Francia Chisaki; Peter Kamb 1952-6-21 2304 Sonoma Fort Ross Comment
  UC971981  Microseris bigelovii Francia Chisaki, Peter Kamb 1952-6-21 2304 Sonoma Fort Ross Comment
  CAS-BOT-BC322753  Microseris paludosa Alice Eastwood; John Thomas Howell 1936-5-19 2511 Sonoma 2 miles north of Windsor Comment
  CAS-BOT-BC320504  Mimulus Peter Rubtzoff 1955-8-20 2081 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC320519  Mimulus Peter Rubtzoff 1974-5-26 7484 Sonoma Vernal pool area on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  CAS-BOT-BC320514  Mimulus Peter Rubtzoff 1957-5-11 3336 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC320555  Mimulus Peter Rubtzoff 1964-5-20 5321 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC320581  Mimulus Peter Rubtzoff 1955-7-9 1933 Sonoma Forestville Marsh. Comment
  RSA0025399  Mimulus Peter Rubtzoff 1954-9-4 1729 Sonoma Bodega Head 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
  SEINET3078835 Image available Mimulus aurantiacus S. Saufferer 1973-5-24 215 Sonoma Bodega Bay Comment
  SEINET12327817  Mimulus aurantiacus F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -076 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 107 Comment
  UC1012322  Mimulus aurantiacus var. aurantiacus F. W. Pennell and H. L. Mason 1940-5-21 25492 Sonoma 12 mi e Healdsburg (Route 28); Knights Valley, Maacona Creek 121 Comment
  UC1063404  Mimulus aurantiacus var. aurantiacus J. B. Spring May 1932 69 Sonoma Head Hooker Canyon Napa Quadrangle 457 Comment
  RSA178001  Mimulus guttatus Robert F. Thorne 1965-4-19 34286 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UCR248879  Mimulus guttatus Peter Rubtzoff 1964-7-29 5442 Sonoma Central Coast, Brooks Gulch Marsh 15 Comment
  HSC20728  Mimulus guttatus R. F. Good 1962-4-20 24 Sonoma 2 mi. W of Petaluma on D St. Extension toward Point Reyes. Sonoma Mtn. Coast Range 0 Comment
  JEPS19393  Mimulus inodorus G. Thomas Robbins 1937-6-5 226 Sonoma 10 mi w Santa Rosa (Pitkin Ranch); Vine Hill region Comment
  UC1051635  Mimulus inodorus Peter Kamb 1950-6-16 1864 Sonoma 1 mi n Sousa Corners (nw of Sebastopol); Pitkin Marsh Comment
  UC1042504  Mimulus microphyllus Peter Rubtzoff 1951-6-2 104 Sonoma near Forestville (w branch of marsh); Pitkin Marsh Comment
  UC26987  Mimulus microphyllus Michener and Bioletti Apr. 1893 Sonoma Adobe Canyon Comment
  JEPS86356  Mimulus tricolor Jack and Betty Guggolz 1988-5-10 929 Sonoma on e side Old Redwood Hwy. (just n of its intersection with Starr Road, Grill property) 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
  UC445171  Mimulus tricolor Milo S. Baker 1899-5-6 Sonoma sw Santa Rosa Comment
  SEINET3159712  Mimulus tricolor K. Brandegee 1905-6-8 sn Sonoma Between Santa Rosa and Sebastopol. Comment
  UC8088  Minuartia californica State Survey 1862-4-18 975 Sonoma near Sonoma 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
  UC72588  Mollugo verticillata Miss M. Alice King Sept. 1896 Sonoma near Healdsburg (Russian River); Russian River Comment
  POM85787  Monardella lanceolata var. lanceolata Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
Read comments Dec 18 2017
  JEPS128225  Monardella villosa Roger Raiche 2000-7-15 138 .00 Sonoma The Cedars. Campbell Ranch. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS86348  Monardella villosa Jack and Betty Guggolz 1988-5-8 927 Sonoma Comment
  LA62442  Monardella villosa Herbert L. Mason; 1928-7-10 4883 Sonoma Jenner Comment
  CAS-BOT-BC314211  Monardella villosa subsp. villosa H. L. Mason 1928-7-10 4883 Sonoma Near ocean, Jenner. Comment
  CAS-BOT-BC314179  Monardella villosa subsp. villosa Ella Dales Cantelow 1941-6-7 3706 Sonoma 3.2 mi N of Jenner. State Hwy 1. Comment
  CAS-BOT-BC314201  Monardella villosa subsp. villosa Dorothy Scherer 1996-6-3 050 Sonoma Fort Ross Road, N side, ca 0.5 mi. W of Seaview Rd. Fort Ross State Historic Park. 457 Comment
  CAS-BOT-BC220701  Monardella viridis Roger Raiche; Steve Edwards; Walter Knight; Irja Knight 1983-7-3 4756 Sonoma The Cedars, near Cazadero on Twitchell Ranch 228 Comment
  CAS-BOT-BC444994  Montia fontana Greg de Nevers 1990-3-26 9654 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In Weimar Pond. 457 Comment
  CAS-BOT-BC444999  Montia fontana Peter Rubtzoff 1952-3-23 900 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  RSA620419  Montia fontana Peter Rubtzoff 1955-4-23 1775 Sonoma Sonoma County: Bennett Mtn Lake Comment
  UC1713747  Montia parvifolia Milo S. Baker 1902-7-5 Sonoma Sonoma Creek Canyon Comment
  UCD110297  Morella californica P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CDA5598  Myosotis discolor T. C. Fuller 1958-5-24 3984 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CAS-BOT-BC101795  Myrica californica Peter Rubtzoff 1952-3-23 876 Sonoma Eastern branch of the Upper Marsh Comment
  JEPS30065  Myrica californica Alice Louise Griffin Sonoma Stewart's Point Comment
  UCD165115  Myriophyllum aquaticum Peter Rubtzoff 1973-10-10 7334 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  RSA799987  Myriophyllum brasiliense Peter Rubtzoff 1973-10-10 7334 Sonoma Laguna de Santa Rosa ca. 1 mi east-southeast of Sebastopol. Comment
  CDA14225  Myriophyllum spicatum G. F. Hrusa, R. Gross 1997-8-31 14093 Sonoma North Coast Biodiversity Arena; Foote Ranch, NW base of Mt. St. Helena. Immed. NE of int. of Hwy. 128 and Ida Clayton Rd. 106 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
  UCD87690  Nassella pulchra M. Wiesendanger 1927-5-5 714 Sonoma Sonoma. Comment
  CAS-BOT-BC60522  Nasturtium officinale Peter Rubtzoff 1960-5-22 4411 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville roads). Comment
  UCR261637  Navarretia cotulifolia Ann Howald 2003-5-15 2334 A Sonoma Inner North Coast Ranges, Sonoma Mountains, south end, lower east slope, c. 0.2 mile southeast of intersection of Lewis Creek and Felder Creek 151 Comment
  UC101995  Navarretia intertexta Katharine Brandegee Jun 1905 Sonoma between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC230370  Navarretia leucocephala subsp. bakeri Peter Rubtzoff; Nancy Harrison 1976-6-18 8647 Sonoma False Lake Meadow area, Annadel State Park Comment
  UC583200  Navarretia leucocephala subsp. bakeri Alice Eastwood and John Thomas Howell 1936-5-19 2520 Sonoma 2 mi n Windsor Comment
  UC52779  Navarretia squarrosa W. C. Blasdale 1896-7-19 Sonoma Cazadero Comment
  UCD48701  Navarretia squarrosa Beecher Crampton 1957-7-11 4313 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  SD130512  Nemophila heterophylla F. Almeda, G. DeNevers 1981-3-30 4888 Sonoma Pepperwood Ranch; summit and east-facing slope of Three Tree Hill. Comment
  UC24177  Nemophila heterophylla H. N. Bolander April 1864 3811 Sonoma Santa Rosa Creek Comment
  UC72013  Nemophila menziesii var. atomaria Milo S. Baker 1898-3-26 738 Sonoma near Melita; near Melita Comment
  UC65022  Nemophila parviflora M. L. Baker 1898-4-3 15 Sonoma betw Guerneville and Cazadero; betw Guerneville and Cazadero Comment
  UC25544  Nepeta cataria J. Burtt Davy Jul 1896 4134 Sonoma Russian River Comment
  CAS-BOT-BC157975  Nicotiana Peter Rubtzoff 1961-8-24 4699 Sonoma Fife Creek Marsh, in creek bed Comment
  JEPS13900  Nicotiana acuminata var. multiflora W. L. Jepson 1914-9-19 6191 Sonoma Agua Caliente; Sonoma Valley 25 Comment
  UCD110189  Notholithocarpus densiflorus A. T. Leiser 1968-1-16 s.n. Sonoma Sea Ranch, N. end of ridge. 91 Comment
  CAS-BOT-BC400121  Nuphar polysepala Peter Rubtzoff 1951-7-8 417 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  RSA0057960  Oemleria cerasiformis Greg de Nevers 1998-4-27 11199 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  CAS-BOT-BC502783  Orobanche californica subsp. grayana Greg de Nevers 1997-5-23 11005 Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  JEPS66549  Orobanche californica subsp. grayana Peter Rubtzoff 1971-7-23 6615 Sonoma Laguna, Cheleno Valley. Comment
Read comments Apr 3 2019
  RSA0069019  Orobanche californica subsp. jepsonii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  CAS-BOT-BC500336  Orobanche uniflora subsp. occidentalis Carrie A. Burlingame 1925-3-10 s.n. Sonoma Unspecified Comment
  CAS-BOT-BC502961  Orobanche vallicola Wade Sturgeon 1928-7-16 s.n. Sonoma Sebastopol Comment
  SEINET13754683  Orthocarpus W. Roderick 1967-5-13 s. n. Sonoma N. of Steward's Pt. 15 Comment
  POM297985  Orthocarpus densiflorus A. A. Heller, H. E. Brown 1902-4-16 5307 Sonoma Fields east of Santa Rosa Comment
  RSA516483  Orthocarpus densiflorus W. L. Jepson 1911-4-30 4187 Sonoma Sonoma Valley. 84 Comment
  POM15720  Orthocarpus erianthus A. A. Heller, H. E. Brown 1902-4-4 5219 Sonoma Hills east of Santa Rosa Comment
  RSA40113  Orthocarpus faucibarbatus L. S. Rose 1948-5-1 48097 Sonoma Valley Ford. 14 Comment
  SEINET12270158  Orthocarpus faucibarbatus Unknown 1936-1 13418 Sonoma near Healdsburg Comment
  SEINET12270159  Orthocarpus faucibarbatus L. D. Thurman 1963-1 150 Sonoma 2 mi W of Valley Ford on State Hwy 1 Comment
  UCD127444  Osmorhiza berteroi Botany 102 Students 1993-4-17 29 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, and 18 air miles NW of Napa. About 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge. S of Red Mountain about 1 air mile. In campground. 365 Comment
  SEINET10494956  Oxalis oregana R. D. Sage 1992-1-10 Sage 13412 -2 Sonoma Collected along joy rd between bodega hwy and bittner rd, ca 2-6 km sw occidental. Comment
  CAS-BOT-BC316929  Packera greenei Mrs. H. C. Cantelow 1938-5-15 3434 Sonoma s. of The Geysers Comment
  SEINET11808775  Packera greenei Unknown 1986-1 60290 Sonoma at Lake Co. line, Mayacamas Mts., Pine Mt. fireroad, near head of Black Rock Creek 747 Comment
  CAS-BOT-BC227648  Panicum Peter Rubtzoff; Nancy Harrison 1978-5-20 9186 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC254467  Panicum Peter Rubtzoff 1983-8-28 9670 Sonoma Austin Creek ca. 0.5 mile N of Highway 116 on Cazadero Road Comment
  RSA784570  Panicum Peter Rubtzoff 1978-5-20 9186 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CHSC79422  Panicum acuminatum var. acuminatum Beecher Crampton 1969-7-14 8493 b Sonoma The Geysers, 12 miles (direct line) east of Colverdale. 493 Comment
  UC1254542  Panicum acuminatum var. acuminatum R. Spellenberg 1964-6-15 402 Sonoma 17 mi e Geyserville; The Geysers, e of Geyserville Comment
  JEPS121155  Panicum acuminatum var. fasciculatum Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18598 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  UCD161862  Panicum acuminatum var. fasciculatum James A. Neilson Jr. 1978-7-15 3970 Sonoma Mayacmas Mountains. Socrates Mine Headquarters. (Exact location unknown, coordinates estimated by label maker.) 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
  UCD32824  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 b Sonoma N.E. Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). Comment
  UCD89124  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 b Sonoma North East part of county. The Geysers, Comment
  UCD89131  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 Sonoma The Geysers. Comment
  UCSC000082  Panicum capillare Ken Kellman 1998-9-12 s.n. Sonoma Sandy ground above overflow pool of the Russian River, near Guerneville Comment
  CAS-BOT-BC253824  Panicum dichotomiflorum Greg de Nevers 1996-9-2 10872 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road, at base of Al Cuneo's driveway 487 Comment
  SEINET10601107  Panicum hillmanii Walter Knight, Irja Knight; John Thomas Howell 1986-10-9 Knight 5854 Sonoma Pennygrove. Edge of driveway at fire department entrance. 12 Comment
  UC1146647  Panicum miliaceum subsp. miliaceum Freed W. Hoffman 1942-8-26 2272 Sonoma near Guerneville (Herr Ranch); North Coast Ranges, Herr Ranch Comment
  SBBG115658  Panicum thermale B. Crampton 1964-8-18 7139 c Sonoma The Geysers, above Geyser Crk, ca. 12 mi (in direct line) E of Cloverdale, ca. 0.5 mi E of Geyser Resort area, slope of steam thermal no 10 (Thermal Power Co.) 493 Comment
  SEINET3144584  Panicum thermale H. N. Bolander 1860-1-1 3941 Sonoma Gysers [?] Comment
  CDA31308  Parentucellia viscosa D. G. Kelch, Ed Biffin 2010-5-3 10 .209 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCD123254  Parentucellia viscosa Gerald D. Carr 1972-4-25 693 Sonoma 0.4 mi W of Westside Rd. on Mill Cr. Rd. Comment
  UC157913  Parietaria pensylvanica Milo S. Baker 1898-6-12 679 Sonoma Geyser Canyon Comment
  UC972197  Parvisedum pumilum Milo S. Baker 1952-4-20 12399 Sonoma ca 1/4 mi n of Caliente (e side of Highway 12); e side of Highway 12 Comment
  CAS-BOT-BC156324  Paspalum Peter Rubtzoff 1978-8-12 9256 Sonoma Russian River at Del Rio Beach, ca 2.5 mi. E of Healdsburg on So. Fitch Mtn. Road. Comment
  CAS-BOT-BC312685  Paspalum Peter Rubtzoff 1987-9-27 9852 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  UCD88734  Paspalum dilatatum Mary M. Hektner 1974-7-10 145 B Sonoma along State Highway 1, just off Leeward Road, Unit 28 Owners' Map, Sea Ranch. Comment
  CAS-BOT-BC265696  Paspalum distichum Peter Rubtzoff 1958-9-20 3989 Sonoma Laguna de Santa Rosa north of Sepastopol, near Occidental Road Comment
  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
  UC62502  Pellaea andromedifolia J. Burtt Davy 1894-12-9 863 Sonoma Kenwood Comment
  UC35615  Pentachaeta exilis F. T. Bioletti 1892-1 Sonoma Comment
  HSC34930  Pentagramma triangularis Thomas W. Nelson, James Nelson 1975-3-25 1760 Sonoma Beside Hwy. 128, E of Geyserville at the Sonoma-Napa Co. line Comment
  UC1041101  Perideridia kelloggii J. W. Congdon 1880-8-2 Sonoma Petaluma and Santa Rosa Road Comment
  RSA224244  Perideridia kelloggii Peter Rubtzoff 1969-7-25 6120 Sonoma 6.5 miles NE of Penngrove, on Lichan Road 427 Comment
  CAS-BOT-BC413641  Persicaria amphibia Peter Rubtzoff 1971-9-3 6694 Sonoma Spring Creek Reservoir area Comment
  CAS-BOT-BC413656  Persicaria amphibia Peter Rubtzoff 1963-7-6 5196 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of Guerneville Road crossing Comment
  UCD99058  Persicaria hydropiper Frederica Bowcutt 1997-7-18 2174 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  CAS-BOT-BC418905  Persicaria hydropiperoides Peter Rubtzoff 1960-9-14 4526 Sonoma Laguna de Santa Rosa east of Graton (betw. Occidental and Guerneville roads) Comment
  CAS-BOT-BC418915  Persicaria hydropiperoides Peter Rubtzoff 1963-10-5 5290 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC418894  Persicaria hydropiperoides Catherine Best 1981-8-22 s.n. Sonoma On Stoetz Lane about 2 miles northeast of Occidental Comment
  CAS-BOT-BC418899  Persicaria hydropiperoides Peter Rubtzoff 1951-7-1 349 Sonoma Pitkin Marsh, near Forestville. North of the Lower Marsh Comment
  CAS-BOT-BC418922  Persicaria hydropiperoides Peter Rubtzoff 1958-9-6 3968 Sonoma Laguna de Santa Rosa north of Cunningham (nr. Todd Road) Comment
  CAS-BOT-BC419107  Persicaria lapathifolia John Thomas Howell 1946-8-17 22855 Sonoma The Laguna north of Sebastopol Comment
  CAS-BOT-BC419423  Persicaria punctata Peter Rubtzoff 1966-9-25 5824 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  UCD148419  Petasites frigidus var. palmatus Peter Rubtzoff 1960-6-10 4495 Sonoma Fife Creek Marsh. Comment
  UCD98401  Petrorhagia nanteuilii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 67 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road. 259 Comment
  SD88415  Phacelia californica Darley F. Howe 1972-4-30 Sonoma South of Bodega Bay. Comment
  UCR44925  Phacelia corymbosa L. F. LaPre 1985-6-7 s.n. Sonoma The Cedars, 6.5 mi NW of Cazadero near Layton, Chromite Mine, upper Austin Creek 413 Comment
  SD72106  Phacelia distans H. S. Yates 1934-4-21 Sonoma Near Bodega Comment
  SBBG32318  Phacelia distans L. S. Rose 1964-4-4 65021 Sonoma 1 mi N of Sonoma 60 Comment
  SEINET5906166 Image available Phacelia distans L. S. Rose 1965-1 65021 Sonoma 1 mi N of Sonoma Comment
  UCD160135  Phacelia imbricata James A. Neilson Jr. 1973-6-7 2972 Sonoma Mayacmas Mountains. The Geysers. Big Geysers. Site IV-G. (Elevation and exact location estimated by label maker.) 365 Comment
  SD72089  Phacelia imbricata John Thomas Howell 1929-6-9 4302 Sonoma 2.0 miles north of Sonoma. Comment
  SD99425  Phacelia imbricata var. imbricata Christopher Davidson 1977-6-20 6019 Sonoma Dry Creek Road, 9.3 miles west of Geyserville. 91 Comment
  RSA783845  Phalaris Peter Rubtzoff 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
  RSA0022999  Phalaris Peter Rubtzoff 1975-7-3 8149 Sonoma Kenwood Marsh. Comment
  RSA0023082  Phalaris Peter Rubtzoff, Nancy Harrison, Ruth Hass, Charles Quibell 1974-8-31 7839 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC258846  Phalaris angusta Peter Rubtzoff 1962-5-30 4851 Sonoma Freestone Marsh Comment
  UC1011000  Phalaris angusta Mary Focht 1935-5-24 64 Sonoma Comment
  UCR244624  Phalaris angusta Peter Rubtzoff 1972-6-23 6785 Sonoma Atascadero Creek Marsh Comment
  UC1146585  Phalaris aquatica Freed W. Hoffman 1943-6-1 2218 Sonoma near Guerneville (Lone Mountain Farm); North Coast Ranges, Lone Mountain Farm Comment
  UCD88138  Phalaris aquatica Freed W. Hoffman 1943-6-1 2218 Sonoma Near Guerneville. Lone Mountain Farm. Comment
  CAS-BOT-BC258953  Phalaris aquatica Mary P. Wells 1981-8-2 s.n. Sonoma Hedge Gate Road, Unit 21, The Sea Ranch Comment
  SJSU5975  Phalaris arundinacea C. W. Sharsmith 1972-6-24 7809 Sonoma by marshland of Laguna de Santa Rosa, N of Sebastopol, E of Graton, southern Sonoma County Comment
  UCD88547  Phalaris californica William Anderson 1965-7-30 s.n. Sonoma Stewart's Point. Comment
  UCD89309  Phleum alpinum Freed W. Hoffman 1943-6-6 2213 Sonoma Ocean bank at Wright's Beach, Sonoma Coast. Comment
  UC353923  Phlox speciosa subsp. nitida Milo S. Baker 1928-3-24 2718 c Sonoma 5 mi w Healdsburg (Jensen Ranch) Comment
  JEPS69993  Phlox speciosa subsp. occidentalis Milo S. Baker 1928-3-24 2718 c Sonoma 5 mi w Healdsburg (on Jensen ranch) Comment
  JEPS83506  Phlox speciosa subsp. occidentalis Jack and Betty Guggolz 1985-5-29 833 Sonoma w of Geyserville (w of West Dry Creek Rd., near the n edge of Chamise Rd) Comment
  JEPS69995  Phlox speciosa subsp. occidentalis Docia I. Patchett 1933-6-6 Sonoma Comment
  CAS-BOT-BC135033  Phoradendron bolleanum Walter Knight; Irja Knight 1963-11-21 418 Sonoma Morelli Land near county dump 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-BC171222  Phoradendron serotinum subsp. tomentosum A. A. Heller; H. E. Brown 1902-3-12 5036 Sonoma Sonoma Creek, Eastern Base of Mt. Hood Comment
  CAS-BOT-BC140617  Physocarpus capitatus G. DeNevers 1981-4-25 867 Sonoma Mark West Creek and Leslie Creek, Pepperwood Ranch Comment
  CAS-BOT-BC140628  Physocarpus capitatus Walter Knight; Irja Knight 1963-8-13 165 Sonoma Harrison Grade Comment
  UC555512  Physocarpus capitatus H. L. Mason Jun 1930 5642 Sonoma Gualala River, mouth Comment
  UCD113680  Physocarpus capitatus Mary M. Hektner 1975-6-3 208 Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET11912602  Physocarpus capitatus K. Wagnon, Vale, J. 1988-1 s.n. Sonoma Hacienda, 1/4mi down Russian River from bridge on shoreline Comment
  CAS-BOT-BC78332  Pinus attenuata Walter Knight; Irja Knight 1963-12-27 463 Sonoma Summit, Pine Flat Rd. Comment
  NY61989  Pinus muricata R. R. Wilson 1939-7-25 439 Sonoma This specimen represents an endangered or threatened species. The specific locality has been removed from this record to protect this species from over-collection. These data may be supplied to researchers on request. Comment
  UCD134772  Pinus muricata Chris Bowen 1974-6-6 143 Sonoma On side of first hills east of Highway 1; Sea Ranch, near State Highway 1. 36 Comment
  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
  HSC12258  Pinus sabiniana Wendell Wood 1970-9-21 285 Sonoma Preston, Hwy. 101 bridge at Russian River, Bulk Collection # 8 457 Comment
  CAS-BOT-BC154157  Plagiobothrys Peter Rubtzoff 1972-5-14 6741 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road Comment
  CAS-BOT-BC166944  Plagiobothrys Peter Rubtzoff 1969-5-3 6018 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC169560  Plagiobothrys Greg de Nevers 2002-5-8 12670 Sonoma Glen Ellen, Bouverie Preserve 152 Comment
  RSA785154  Plagiobothrys Peter Rubtzoff 1969-5-3 6016 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  RSA785901  Plagiobothrys Peter Rubtzoff 1972-4-23 6735 Sonoma 4.25 mi. W. of Glen Ellen on Bennett Valley road Comment
  UCD166131  Plagiobothrys Peter Rubtzoff 1969-5-3 6015 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCR244647  Plagiobothrys Peter Rubtzoff 1969-5-3 6015 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastopol 21 Comment
  UCR244739  Plagiobothrys Peter Rubtzoff 1969-5-11 6047 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  UCR244756  Plagiobothrys Peter Rubtzoff 1969-6-15 6089 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastapol 21 Comment
  UCR279867  Plagiobothrys Peter Rubtzoff 1969-5-11 6030 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  CAS-BOT-BC157649  Plagiobothrys Peter Rubtzoff 1971-5-8 6430 Sonoma E foothills of Sonoma Mtns. On Sobre Vista Road, 0.9 mi. W of Arnold Drive. Comment
  SEINET3101780  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-12 s.n Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  RSA0083875  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-30 6233 Sonoma 5 miles north of Sears Point. Comment
  UCD33795  Plagiobothrys collinus var. californicus Beecher Crampton 1973-5-5 8927 Sonoma Sonoma County, Sonoma Coast State Park at Carmet. Comment
  RSA785668  Plagiobothrys reticulatus Peter Rubtzoff 1971-5-8 6449 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  UCD124455  Plantago erecta Jennifer Bury; Peggy Herzog 1993-5-8 263 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 381 Comment
  UCR143594  Plantago erecta G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  UC730020  Plantago erecta Leo F. Koch 1940-4-24 847 Sonoma just n Warfield Station Comment
  HSC16835  Plantago lanceolata C. S. Chavez 1965-6-3 78 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  CAS-BOT-BC257367  Plantago subnuda Peter Rubtzoff 1954-8-9 1658 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC258381  Plantago subnuda Peter Rubtzoff 1968-7-29 5922 Sonoma Upper Salmon Creek Marsh. Comment
  UCD166337  Plantago subnuda Peter Rubtzoff 1968-7-29 5922 Sonoma Upper Salmon Creek Marsh. Comment
  POM59703  Plectritis congesta subsp. nitida A. A. Heller 1903-4-23 6603 Sonoma Fort Ross. From type locality. Comment
  CAS-BOT-BC371445  Plectritis macrocera Greg de Nevers 1998-5-12 11244 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD37568  Pleuropogon californicus Beecher Crampton 1955-4-5 2417 Sonoma 2.5 miles south of Windsor, western boundary of Sonoma County Airport, along Mark West Road. Comment
  UCD37569  Pleuropogon californicus Beecher Crampton 1955-4-5 2418 Sonoma 3 miles northwest of Cotati, Laguna de Santa Rosa, Llano Road. Comment
  CAS-BOT-BC368081  Pleuropogon californicus Greg de Nevers 1998-4-28 11207 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge Comment
  RSA0057956  Pleuropogon californicus Greg de Nevers 1998-4-28 11207 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge. 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
  RSA227223  Pleuropogon californicus var. californicus Peter Rubtzoff 1961-5-24 4601 Sonoma Upper Stemple Creek Marsh. Comment
  UCD90113  Pleuropogon californicus var. californicus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3613 Sonoma on the Occidental Road near Barstow station. Comment
  RSA201212  Pleuropogon californicus var. californicus David L. Morgan 1961-4-25 s.n. Sonoma Low wet field near Stemple Creek, 3 miles southwest of Cotati. Comment
  UCD90133  Pleuropogon californicus var. californicus Beecher Crampton 1955-4-5 2418 Sonoma 3 miles northwest of Cotati, Llano Road. Comment
  CHSC66975  Pleuropogon davyi James D. Jokerst; Lorie May 1993-5-13 3979 Sonoma Sonoma Air Center. Comment
  CAS-BOT-BC311824  Poa Peter Rubtzoff 1974-5-11 7405 Sonoma Laguna de Santa Rosa east of Sebastopol (south of Hwy. 12 crossing). Comment
  UCD92208  Poa Collector Unknown 1942-4-1 376 Sonoma bank of Mark West Creek, about 3 miles east of Springs on the main road. Comment
  UCD92209  Poa Collector Unknown 1942-4-1 377 Sonoma bank of Mark West Creek, about 3 miles east of Springs on the main road. Comment
  CAS-BOT-BC246636  Poa howellii K. Wagnon 1939-4-17 171 Sonoma Near Wagnon's rock quarry five miles west of Sebastopol Comment
  UCD90530  Poa kelloggii P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC256025  Poa pratensis David L. Morgan 1961-5-13 s.n. Sonoma Western Ave. and Liberty St., Petaluma Comment
  CAS-BOT-BC244193  Poa trivialis Peter Rubtzoff 1951-7-8 410 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  RSA129473  Poa trivialis H. S. Yates 1937-5-30 6558 Sonoma 1 1/2 miles N of Freestone. 91 Comment
  RSA227230  Poa trivialis Peter Rubtzoff 1960-6-8 4466 Sonoma Fife Creek Marsh. Comment
  UCD92150  Poa unilateralis P. B. Kennedy 1915-6-1 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC110663  Poaceae Peter Rubtzoff 1970-8-25 6342 Sonoma On Austin Creek beach, 0.5 miles north of Casadero. Comment
  CAS-BOT-BC312691  Poaceae Peter Rubtzoff 1964-5-31 5336 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg, along Russian River. Comment
  UCD125255  Pogogyne douglasii G. F. Hrusa; R. Gross 1996-6-30 13065 Sonoma Permanent spring-derived pool at W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. 700 Comment
  SBBG47335  Pogogyne douglasii P. Rubtzoff 1971-6-23 Sonoma 4.25 mi W of Glen Ellen Comment
  POM283137  Pogogyne douglasii subsp. parviflora Lyman Benson 1930-6-18 2163 Sonoma South of Santa Rosa. 61 Comment
  UC76198  Pogogyne douglasii subsp. parviflora Milo S. Baker 1899-6-25 Sonoma near Santa Rosa Comment
  CDA11013  Polycarpon tetraphyllum G. F. Hrusa 1993-3-14 10527 Sonoma North Coast Biodiversity Arena; NW base of Mt. St. Helena. Foote Ranch, approx 10 m N of Calistoga on Hwy 128. 152 Comment
  RSA178014  Polygala californica Robert F. Thorne 1965-4-20 34338 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  SD88499  Polygala californica Darley F. Howe 1972-6-27 Sonoma Trail above Duncan Mills Pond Comment
  UC1300820  Polygala californica Helen K. Sharsmith 1963-5-25 5488 Sonoma on Coleman Valley road e Occidental; San Francisco Bay Region 304 Comment
  UC766345  Polygala californica R. F. Hoover 1939-4-18 4037 Sonoma Occidental Comment
  UCD109700  Polygala californica K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  SEINET12205440  Polygala californica F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -166 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 330 Comment
  CAS-BOT-BC110537  Polygonum Peter Rubtzoff 1987-9-27 9854 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC164373  Polygonum Peter Rubtzoff 1970-5-30 6246 Sonoma 5 mi. north of Sears Point Comment
  RSA0056452  Polygonum amphibium Greg de Nevers 1998-6-28 11296 Sonoma Lautenberg Ranch, Spencer Lane, Knights Valley. Comment
  JEPS87241  Polygonum amphibium var. stipulaceum Jack and Betty Guggolz 1992-6-22 1318 Sonoma pond in cattle pasture se Bloomfield Road 36 Comment
  CAS-BOT-BC414116  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1956-9-14 2887 Sonoma Vacation Beach, near Guerneville Comment
  CDA14281  Polygonum baldschuanicum S. Schoenig 1998-6-5 s.n. Sonoma North Coast Biodiversity Arena; Sonoma Creek next to Sonoma Creek Apts. in urban Sonoma city limits. 0 Comment
  UC727705  Polygonum lapathifolium Milo S. Baker 1946-8-17 11562 Sonoma The Laguna; at the crossing of the Occidental Rd Comment
  SEINET11935790  Polygonum lapathifolium W. Knight, Knight, I. 1984-1 Sonoma Willow Creek, 2 mi N of Petaluma Comment
  POM22455  Polypodium californicum A. A. Heller 1902-3-10 5011 Sonoma Hills near Santa Rosa Comment
  UC727667  Polypodium calirhiza Milo S. Baker June 1944 10886 Sonoma 1 1/2 mi n in hills along established rd. Sonoma Comment
  UC1784201  Polypodium scouleri Ethel Crum 1930-1 748 Sonoma Petaluma Comment
  UCD92439  Polypogon Beecher Crampton 1957-7-11 4296 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  RSA0028900  Polypogon Peter Rubtzoff 1970-9-3 6376 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC232998  Polypogon australis Peter Rubtzoff 1961-9-20 4754 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC233190  Polypogon interruptus Peter Rubtzoff 1956-9-11 2848 Sonoma Vacation Beach near Guerneville, Russian River bottom Comment
  UCD161307  Polypogon interruptus James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3691 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC233226  Polypogon maritimus Peter Rubtzoff 1960-6-7 4445 Sonoma Austin Creek Marsh Comment
  UC1023579  Polypogon monspeliensis Virginia Bufford 1936-5-19 257 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  UCR248766  Polypogon monspeliensis Peter Rubtzoff 1986-7-13 9723 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  OBI23270  Polypogon monspeliensis Jim Rogers 1972-7-30 10 Sonoma Santa rosa. Where Reovir Dr crosses Santa Rosa Crk Comment
  CAS-BOT-BC237616  Polypogon viridis David L. Morgan 1956-6-26 s.n. Sonoma Spring at Shell Beach, 0.25 mile S of Goat Rock, off State Highway 1 Comment
  UC1400835  Polystichum P. Fischer 1970-9-20 4248 Sonoma 7.6 mi. from Point Stewart on rd. to Healdsburg 60 Comment
  UCD168041  Polystichum californicum James A. Neilson Jr. 1981-3-13 3995 Sonoma Mayacmas Mountains, tributary of Hummingbird Creek. 1/2 mile NE of confluence of Hummingbird Creek and Squaw Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  HSC76927  Polystichum dudleyi R. W. Becking 1983-6-28 Sonoma Glen Ellen, Bouverie Audubon Preserve. Watershed of Stuart Creek in top-most redwood grove Comment
  SEINET10794020  Polystichum dudleyi Wendy Born Born s.n. Sonoma Armstrong Redwoods State Park, along road to the Pack Station, ca. 3/4 the way up (immediately across road from large downed tree, on right side of road). Population of P. dudleyi is on left side of road, ca. 100 plants, mixed with Polystichum hybrids, Dryopteris arguta. Comment
  UCD163795  Populus Peter Rubtzoff 1980-5-26 9447 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC445297  Portulaca oleracea Peter Rubtzoff 1966-9-25 5828 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  CAS-BOT-BC267175  Potamogeton foliosus 1877-6-6 s.n. Sonoma Russian River, Guerneville Comment
  CAS-BOT-BC454021  Potamogeton pectinatus Peter Rubtzoff 1954-8-3 1631 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC268088  Potamogeton pusillus Peter Rubtzoff 1955-7-16 1968 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC141961  Potentilla anserina subsp. pacifica Alice Eastwood 1917-5-13 s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC516398  Prosartes hookeri Volney Rattan 1877-6-25 s.n. Sonoma Near Cloverdale Comment
  SBBG12370  Prunella vulgaris A. I. Richardson 1961-6-17 23 Sonoma near Timber Cove, N of Ft Ross Comment
  SEINET13947122 Image available Prunella vulgaris A. A. Heller 1902-1 5639 Sonoma Santa Rosa Comment
  CDA40757  Prunella vulgaris subsp. lanceolata G. D. Barbe 1982-5-27 3617 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Scaggs Spring Road. Comment
  CAS-BOT-BC158589  Prunus Peter Rubtzoff 1987-3-15 9757 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Off Summerhome Park Road 0.2 miles west of Forest Hills Road Comment
  UC699661  Prunus serotina T. E. Rawlins September, 1942 Sonoma Fort Ross Comment
  RSA0060111  Prunus subcordata Greg de Nevers 1998-4-21 11156 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In canyon west of Phillip's Garden. 100 Comment
  UC861010  Prunus virginiana var. demissa Alice Eastwood 1922-5-5 11295 Sonoma Mount St. Helena Comment
  CAS-BOT-BC356924  Pseudognaphalium californicum Walter Knight; Irja Knight 1963-9-1 258 Sonoma Sulphur Creek Rd - 1 mi from US 101 near Cloverdale Comment
  CAS-BOT-BC356929  Pseudognaphalium californicum G. DeNevers 1981-6-15 1531 Sonoma Pepperwood Ranch. Below the big spring below the 180 deg. turn in the road S of the aluminum gate by the orange tree Comment
  CAS-BOT-BC361617  Pseudognaphalium stramineum Peter Rubtzoff 1951-8-18 620 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  HSC2215  Pseudognaphalium stramineum Roxana S. Ferris 1937-8-18 9375 Sonoma At mouth of Salmon Creek on Bodega Bay Comment
  UC1134181  Pseudotsuga menziesii var. menziesii Mason 1932-7-19 120 Sonoma 1 mi nw of Los Alamos School; Santa Rosa Quadrangle 579 Comment
  UC767087  Pseudotsuga menziesii var. menziesii Robert F. Hoover 1941-6-7 5318 Sonoma 2 mi se Camp Meeker (on road to Camp Meeker) Comment
  CAS-BOT-BC166787  Psilocarphus Peter Rubtzoff 1971-6-10 6531 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC176178  Psilocarphus Peter Rubtzoff 1971-6-5 6512 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  RSA784564  Psilocarphus Peter Rubtzoff 1963-7-14 5203 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  UCD166085  Psilocarphus Peter Rubtzoff 1971-6-25 6553 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC72686  Pteridium aquilinum Irja Knight; Walter Knight 1964-11-15 s.n. Sonoma Hood's Peak at Johnson Lake Comment
  UC125357  Pterostegia drymarioides Katharine Brandegee June 1905 Sonoma Bodega Head Comment
  RSA177980  Pteryxia terebinthina var. californica R. F. Thorne 1965-4-19 34306 Sonoma Located on the West-facing serpentine slope in mixed evergreen forest; West of Stoetz Road off of Harrison Grade, 2 miles Northeast of Occidental. 183 Comment
  CAS-BOT-BC460851  Pyrola aphylla Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC466277  Pyrola aphylla F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -176 Sonoma The Geysers ca 14.0 mi ESE of Preston and US Hwy 101 on Geysers Road 330 Comment
  SEINET11993492  Pyrola asarifolia F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -167 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 330 Comment
  UC1042430  Pyrus communis Peter Rubtzoff 1952-10-26 1329 Sonoma near Forestville (Pitkin Marsh, w branch of Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC376277  Quercus Greg de Nevers 1990-11-8 9747 Sonoma Santa Rosa, County Administration Building 76 Comment
  UCD45329  Quercus X chasei John Thomas Howell 1946-8-17 22859 Sonoma Lloyd Voit Ranch west of Cummingham, Sonoma County. Comment
  CDA16159  Quercus X eplingii G. F. Hrusa, R. Gross 1999-6-12 15076 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
  CAS-BOT-BC94705  Quercus X howellii G. De Nevers 1981-9-5 1824 Sonoma Pepperwood Ranch. In the Garrison Yard, between the Blue Damson Plum and the Oregon Oak Comment
  UC424768  Quercus X morehus Milo S. Baker Jun 1929 3570 b Sonoma near Vine Hill School House Comment
  CAS-BOT-BC104297  Quercus X morehus Walter Knight; Irja Knight 1968-1-1 2268 Sonoma Genpers Resort, along creek at first footbridge in ravine on genper trail Comment
  SEINET12029705  Quercus X morehus W. Knight, Knight, I.; Knight, T. 1983-1 4768 Sonoma at roadside next to C.N.P.S. manzanita preserve on Vine Hill School Road Comment
  POM166598  Quercus agrifolia A. A. Heller, H. E. Brown 1902-4-15 s.n. Sonoma Santa Rosa Creek Comment
  UC1173734  Quercus agrifolia Joseph P. Tracy 1939-10-14 16514 Sonoma 4 mi se Geyserville; Alexander Valley 121 Comment
  UCD45135  Quercus agrifolia Christine Lee 1993-4-23 87 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Hillside Trail. Elev. 1400'. 426 Comment
  SEINET12028624  Quercus agrifolia W. Knight, Knight, I. 1981-1 3967 Sonoma 2.3mi up Cavedale Rd from jct of State Rt-12 Comment
  POM188377  Quercus chrysolepis Marcus E. Jones 1931-8-3 28846 Sonoma Cloverdale. Comment
  SEINET12030399  Quercus douglasii W. Knight, Knight, I.; Knight, T. 1985-1 5391 Sonoma Pine Mt. Road Comment
  SEINET12034335  Quercus douglasii Unknown 1974-1 Sonoma Comment
  SEINET12030397  Quercus dumosa W. Knight, Knight, I.; Howell, J. T. 1984-1 5078 Sonoma 0.4mi up Cavedale Rd from State Tr-12 91 Comment
  SEINET12030398  Quercus dumosa W. Knight, Knight, I.; Howell, J. T. 1984-1 5104 Sonoma 2.8 mi up Cavedale Rd from Hwy-12 Comment
  CDA21883  Quercus durata D. G. Kelch 2006-10-4 6 .499 Sonoma Along Cavedale Road about 5 KM E of Route 12. Comment
  UCSB24433  Quercus durata var. durata McMinn, Howard 1938-9-5 Sonoma Hood Mountain Range Comment
  UC1196518  Quercus garryana Joseph P. Tracy 1930-11-30 9270 Sonoma creek below Knights Valley; North Coast Ranges 152 Comment
  CDA18984  Quercus garryana S. Parnay 2000-8-14 PDR 022421 Sonoma Hidden Oaks Rd., Santa Rosa. 0 Comment
  UCD46076  Quercus garryana var. garryana Frederica Bowcutt 1996-5-19 2138 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 air miles S of Red Mtn. in Adobe Canyon near office and corral. 396 Comment
  CAS-BOT-BC105481  Quercus kelloggii Alice Eastwood 1921-4-24 10389 Sonoma Santa Rosa Comment
  RSA623531  Quercus kelloggii J. M. Tucker 1952-9-20 2622 Sonoma Voight Ranch, ca. 1.25 miles (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse. Comment
  SEINET3144234  Quercus kelloggii Unknown 1952-9-20 2620 Sonoma Voight Ranch, ca. 1.25 mi (airline) SW of Cunningham, along a lane running E from the Voight farmhouse Comment
  UC478894  Quercus kelloggii Marcus E. Jones, A. M. 1931-7-5 28847 Sonoma The Geysers Comment
  UCD46674  Quercus kelloggii Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 73 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Beginning of Hillside Trail. 381 Comment
  CAS-BOT-BC62806  Quercus lobata W. R. Dudley 1895-2-23 s.n. Sonoma near Knight Valley Winery Comment
  UC1042517  Quercus lobata Peter Rubtzoff 1951-11-24 836 Sonoma near Forestville (s of the Upper Marsh); Pitkin Marsh Comment
  UCD46789  Quercus lobata G. L. Stebbins Jr. 1945-10-7 3585 Sonoma 2 miles northwest of Kenwood. Comment
  CAS-BOT-BC134862  Quercus wislizeni G. DeNevers 1981-9-5 1820 Sonoma Pepperwood Ranch. Across the creek from the Goat Pens Comment
  CDA11187  Quercus wislizeni var. frutescens G. F. Hrusa 1989-1-2 5804 Sonoma North Coast Biodiversity Arena; NW side of Mt. St. Helena, midway up Ida Clayton Rd from Hwy 128. Comment
  RSA177965  Quercus wislizeni var. frutescens Robert F. Thorne 1965-4-20 34386 Sonoma Robert Sone's place on Rock Ridge Lane- Mentecito Ave. on Rincon Ridge, Santa Rosa. 107 Comment
  UCD47610  Quercus wislizeni var. frutescens Frederica Bowcutt 1994-6-25 1921 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. Confirmed by K. Mawdoley 21 Oct 1996. 670 Comment
  UC9381  Ranunculus aquatilis var. capillaceus State Survey 1862-4-18 970 Sonoma ponds near Sonoma Comment
Read comments Jan 20 2011
  CAS-BOT-BC379125  Ranunculus aquatilis var. diffusus Peter Rubtzoff 1962-8-22 5057 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC378951  Ranunculus arvensis Peter Rubtzoff; H. A. Froebe 1971-5-30 6490 Sonoma dry bed of vernal pool 4.25 mi west of Glen Ellen on Bennett Valley Road Comment
  UCD95942  Ranunculus californicus Mary M. Hektner; Cathy Hendel and Sue Dakuzaku 1974-6-24 61 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCR242110  Ranunculus californicus Caitlin Lewis, William Mutch 1993-4-17 006 Sonoma Sugarloaf Ridge State Park, c. 40 air mi N of San Francisco, 11 air mi east of Santa Rosa, and 2.5 mi NE of Kenwood. Adobe Canyon N of Sugarloaf Ridge and south of Red Mountain, near visitor center 366 Comment
Read comments Oct 18 2018
  UC827655  Ranunculus californicus A. A. Heller 1938-5-14 15082 Sonoma bluff n Bodega Bay Comment
  UCD123944  Ranunculus californicus Caitlin Lewis; William Mutch 1993-4-17 6 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mountain. 1 mile. Near visitor center. 365 Comment
  CAS-BOT-BC378684  Ranunculus californicus var. californicus Mrs. H. C. Cantelow 1936-1-26 1118 Sonoma cliff above Bodega Bay Comment
  CAS-BOT-BC378689  Ranunculus californicus var. californicus Walter Knight; Irja Knight 1964-2-27 532 Sonoma Highway 1 near Plantation turnoff Comment
  CAS-BOT-BC378698  Ranunculus californicus var. californicus A. A. Heller; H. E. Brown 1902-3-14 5055 Sonoma near Santa Rosa Comment
  CAS-BOT-BC378765  Ranunculus californicus var. cuneatus Walter Knight; Irja Knight 1964-2-27 530 Sonoma coastal bluff at Rocky Point a little south of Gualala Comment
  CAS-BOT-BC83412  Ranunculus lobbii J. Penalosa 1961-5-24 1571 Sonoma Upper Stemple Creek Marsh. Comment
  JEPS86343  Ranunculus lobbii Jack and Betty Guggolz 1988-2-18 899 Sonoma pool about 1/8 mi e Fulton Road (1/4 mi n of Guerneville) Comment
  UC72749  Ranunculus lobbii Milo S. Baker 1898-5-7 603 Sonoma Glen Ellen Comment
  UCD96260  Ranunculus muricatus M. Wiesendanger 1927-5-5 739 Sonoma Kenwood Springs. Comment
  UCR265136  Ranunculus occidentalis Ann Howald 2015-4-1 3320 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 15.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 397 Comment
  RSA268383  Ranunculus occidentalis var. eisenii Lyman Benson 1935-3-31 6405 Sonoma Hwy 101, N Coast, Russian River. 244 Comment
  UC765741  Ranunculus orthorhynchus var. bloomeri R. F. Hoover 1939-4-18 4048 Sonoma Los Guilicos Valley Comment
  POM268843  Ranunculus orthorhynchus var. bloomeri A. A. Heller, H. E. Brown 1902-3-14 5061 Sonoma Near Windsor. Comment
  RSA178036  Ranunculus orthorhynchus var. bloomeri Robert F. Thorne 1965-4-19 34267 Sonoma Titus Ranch, Valley Ford. 18 Comment
  RSA534613  Ranunculus orthorhynchus var. platyphyllus Peter Rubtzoff 1962-5-11 4827 Sonoma Freestone Marsh Comment
  RSA289508  Rhamnus californica Edward Lee 1936-6-8 2213 Sonoma trail 3A (N Ridge to Smith Creek), Bohemian Grove Comment
  UCR42378  Rhamnus californica L. F. LaPre 1985-6-5 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  CAS-BOT-BC55942  Rhamnus crocea Walter Knight; Irja Knight 1964-1-17 513 Sonoma Upper Hooker Canyon, Cavedale Rd. Comment
  CAS-BOT-BC59448  Rhamnus ilicifolia Helen D. Geis 1902-1-1 575 Sonoma unspecified Comment
  UCD117873  Rhododendron columbianum J. M. Tucker; C. H. Lamoureux 1958-6-8 3409 Sonoma In the vicinity of State Highway 1, 6.1 miles (by road) north of Fort Ross. Comment
  UC571040  Rhododendron macrophyllum Herbert L. Mason 1928-7-11 4894 Sonoma 2 mi n of Fort Ross Comment
  SEINET11996123  Rhododendron macrophyllum F. H. Utech 1988-1 88 -217 Sonoma Salt Point, along CA 1 between Tenner & Stewart's Point, mile marker 38.39 75 Comment
  CAS-BOT-BC200341  Rhododendron occidentale var. occidentale Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  CDA21375  Rhododendron occidentale var. occidentale G. F. Hrusa, M. Griffiths 1989-6-4 7096 Sonoma North Coast Ranges; Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. Comment
  CAS-BOT-BC111862  Rhynchospora alba Milo S. Baker; John Thomas Howell 1945-7-18 11113 Sonoma Pitkin Marsh, upper bog. Comment
  CAS-BOT-BC111871  Rhynchospora alba John Thomas Howell; Hans Leschke 1945-5-30 20896 Sonoma Pitkin Marsh Comment
  RSA74060  Rhynchospora alba Milo S. Baker 1945-7-18 11113 Sonoma Pitkin Marsh, upper bog Comment
  RSA94004  Rhynchospora alba Peter Rubtzoff 1951-7-1 340 Sonoma Lower part of Upper Marsh Comment
  CAS-BOT-BC111896  Rhynchospora capitellata John Thomas Howell 1945-8-14 21389 Sonoma Perry Marsh Comment
  UC710441  Rhynchospora globularis var. globularis John Thomas Howell 1936-7-26 12678 Sonoma 5 mi n Sebastopol; Pitkin Marsh Comment
  CAS-BOT-BC111931  Rhynchospora recognita John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC376237  Ribes Greg de Nevers 1996-4-19 10795 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Oak Hill Ranch, Devil's Kitchen 487 Comment
  CAS-BOT-BC433107  Ribes Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano Comment
  UC75440  Ribes californicum Milo S. Baker 1898-4-3 20 Sonoma between Forestville and Guerneville Comment
  CAS-BOT-BC168993  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1952-3-23 899 Sonoma Damp area north of the Lower Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC169002  Ribes divaricatum var. pubiflorum A. A. Heller; H. E. Brown 1902-3-12 5038 Sonoma Sonoma Creek, eastern base of Mt. Hood Comment
  CAS-BOT-BC198923  Ribes roezlii var. cruentum R. Bacigalupi 1948-3-6 2857 Sonoma Slopes of Mayacamas Range, on road from the Geysers to Geyserville. Comment
  CAS-BOT-BC186077  Ribes roezlii var. roezlii Susan M. Smith 2004-2-9 s.n. Sonoma Over 80 acre on native plant preserve Nefertierra. Off St. Helena Rd, 3 1/2 m. e. of Calistoga Rd. 472 Comment
  CAS-BOT-BC209370  Ribes sanguineum var. glutinosum A. A. Heller; H. E. Brown 1902-3-21 5112 Sonoma Hills Southeast of Santa Rosa Comment
  CAS-BOT-BC168765  Ribes victoris A. A. Heller 1902-6-26 5773 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC376258  Rorippa Greg de Nevers 1992-5-5 10141 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. West of Three Tree Hill 475 Comment
  CAS-BOT-BC74393  Rorippa curvipes Peter Rubtzoff 1973-8-21 7250 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC488331  Rorippa curvisiliqua Ayzik Solomeshch 2009-5-14 s.n. Sonoma 2.3 km SE of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1 22 Comment
  CAS-BOT-BC74720  Rorippa curvisiliqua A. A. Heller 1902-7-2 5807 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC74721  Rorippa curvisiliqua John Thomas Howell 1947-6-26 23303 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC152661  Rosa californica Peter Rubtzoff 1951-6-16 210 Sonoma Northern half of Lower Marsh - Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC152672  Rosa californica Ynez Whilton Winblad 1941-6-20 s.n. Sonoma Between Santa Rosa and Ukiah, Highway 101 Comment
  CAS-BOT-BC146772  Rosa gymnocarpa Walter Knight; Irja Knight 1964-11-3 762 Sonoma Cooper's Grove, Sonoma Mt. Road Comment
  POM187580  Rosa gymnocarpa Marcus E. Jones 1931-7-5 29009 Sonoma West of Cloverdale. Comment
  SD56749  Rosa gymnocarpa D. F. Howe 1963-7-2 Sonoma 3.5 mi. so.east of Guerneville on #12 99 Comment
  UC1193206  Rosa gymnocarpa G. W. Tourtillott 1950-5-10 19 Sonoma 1 mi e Geysers Hotel; Quad. 60B4 609 Comment
  CAS-BOT-BC148197  Rosa rubiginosa Walter Knight; Irja Knight 1988-6-9 6262 Sonoma In pastureland along Valley Ford Cutoff between Bodega Hwy. jct. and Valley Ford 45 Comment
  CAS-BOT-BC146920  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma S.W. slope of Hood Mt. at top of Rose Butte 243 Comment
  CAS-BOT-BC147993  Rubus leucodermis Volney Rattan 1877-6-15 s.n. Sonoma Guerneville 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
  UCD113851  Rubus parviflorus Mary M. Hektner 1974-6-28 85 Sonoma Unit 21 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD166415  Rubus parviflorus Peter Rubtzoff 1964-5-20 5311 Sonoma Brooks Gulch Marsh. Comment
  UCD166406  Rubus spectabilis Peter Rubtzoff 1955-5-14 1853 Sonoma Duncan Mills Marsh. Upper portion of the marsh. Comment
  CAS-BOT-BC158722  Rubus ulmifolius Mary P. Wells 1985-7-1 527 Sonoma Bank of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC157175  Rubus ursinus Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  RSA800078  Rubus ursinus Peter Rubtzoff 1958-5-3 3613 Sonoma Atascadero Creek Marsh. Comment
  UCD114018  Rubus ursinus M. Wiesendanger 1927-5-5 723 Sonoma Kenwood Springs. Comment
  UCD166510  Rumex Peter Rubtzoff 1962-6-22 4949 Sonoma Fife Creek Marsh. Comment
  UCR279879  Rumex Peter Rubtzoff 1964-7-29 5452 Sonoma Central Coast, Bodega Bay Marsh 15 Comment
  RSA790986  Rumex Peter Rubtzoff 1958-7-19 3756 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  JEPS79429  Rumex acetosella Larissa Novak Apr 1980 2100 Sonoma Finley and Wright Field Old Naval Air Station Comment
  UCR178427  Rumex acetosella Frederica Bowcutt 1994-5-21 1827 Sonoma Sugarloaf Ridge State Park, c. 40 air mi N of San Francisco and c. 11 air mi east of Santa Rosa; c. 2.5 air mi NE of Kenwood; c. 18 air mi NW of Napa. Meadow trail and Gray Pine (Digger Pine) trail, 1 mile from trailhead 396 Comment
  CAS-BOT-BC422231  Rumex acetosella A. A. Heller 1902-6-7 5655 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  UCD101051  Rumex acetosella Caitlin Lewis; William Mutch 1993-4-17 10 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
  SD39769  Rumex berlandieri Edith A. Purer 1932-7-24 4086 Sonoma Bodega Bay, stabilized sand dunes Comment
  CAS-BOT-BC433416  Rumex crispus Peter Rubtzoff 1951-6-30 310 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  SEINET11933971  Rumex crispus W. Knight, Knight, I. 1984-1 5421 Sonoma Along floodplain of Petaluma River. Gilardi's Resort 3 Comment
  UCR279630  Rumex obtusifolius Peter Rubtzoff 1962-10-23 5121 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  CAS-BOT-BC433741  Rumex occidentalis Mary P. Wells 1987-2-28 846 Sonoma Within the fork in the north creek south of Pacific Reach. The Seaside Meadow of The Sea Ranch. Comment
  CAS-BOT-BC376429  Rumex paucifolius Greg de Nevers 1995-9-25 10773 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC173566  Rumex pulcher Peter Rubtzoff 1966-6-5 5751 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC434143  Rumex transitorius Catherine Best 1982-8-18 s.n. Sonoma Goat Rock Park off of Hwy 1 Comment
  UC188628  Rupertia physodes Michener and Bioletti 1893-5-28 Sonoma Glen Ellen Comment
  RSA107069  Rupertia physodes L. S. Rose 1956-6-18 56097 Sonoma 4 mi. w. of Graton, junction of Harrison grade and Green Valley Road. Comment
  CAS-BOT-BC454116  Ruppia cirrhosa Peter Rubtzoff 1962-8-3 5033 Sonoma Lower Salmon Creek Marsh. Comment
  UC450  Ruppia maritima J. Burtt Davy 1897-9-19 4034 Sonoma Petaluma Comment
  UCD55250  Rytidosperma penicillatum Beecher Crampton 1957-7-22 4392 Sonoma along State Hwy. 1, 11.7 miles south Stewart's Point. Comment
  UCD98456  Sagina procumbens Wm. E. Maddison 1991-5-9 s.n. Sonoma town of Windsor, 341 Windflower Ct. Comment
  CAS-BOT-BC445695  Sagittaria cuneata Peter Rubtzoff 1971-8-20 6641 Sonoma 5 mi. north of Sears Point. Comment
  UC935765  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
  UCD148463  Salicornia Peter Rubtzoff 1963-8-17 5222 Sonoma Petaluma Creek just east of Petaluma. Comment
  CAS-BOT-BC290700  Salix Peter Rubtzoff 1973-9-9 7313 Sonoma Kenwood Marsh. Comment
  UCR249033  Salix Peter Rubtzoff 1974-4-6 7358 Sonoma Forestville Marsh 71 Comment
  UCR249084  Salix Peter Rubtzoff 1973-8-27 7264 Sonoma Upper Green Valley Marsh Comment
  UCR250388  Salix Peter Rubtzoff 1973-10-10 7337 Sonoma Salmon Creek, 0.25 mi south of Freestone 64 Comment
  CAS-BOT-BC126270  Salix X sepulcralis Peter Rubtzoff 1951-8-19 645 Sonoma Southern half of Lower Marsh Comment
  UC517942  Salix X sepulcralis W. A. Setchell 1934-3-17 Sonoma Valley Ford Rd. 6 mi. from Petaluma Comment
  CAS-BOT-BC135956  Salix alba subsp. vitellina Mary P. Wells 1988-4-16 930 Sonoma Corner of Adobe Rd. & Stage Gulch Rd. Comment
  CAS-BOT-BC103088  Salix bonplandiana Peter Rubtzoff 1963-10-5 5292 Sonoma Laguna de Santa Rosa east of Graton Comment
  RSA534566  Salix bonplandiana Peter Rubtzoff 1957-5-4 3320 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC107751  Salix hindsiana A. A. Heller 1902-4-8 5224 Sonoma Bennett Valley southeast of Santa Rosa Comment
  SEINET10393209  Salix laevigata A. A. Heller 1902-4-23 5348 Sonoma Near Sonoma. Comment
  CAS-BOT-BC128055  Salix lasiandra var. lasiandra Peter Rubtzoff 1962-5-5 4805 Sonoma Fife Creek Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC128063  Salix lasiandra var. lasiandra Peter Rubtzoff 1951-8-18 626 Sonoma Pitkin Marsh, near Forestville, western branch of the Upper Marsh Comment
  CAS-BOT-BC107091  Salix lasiolepis Greg de Nevers 1990-5-1 9663 A Sonoma Pepperwood Natural Preserve, 3450 Franz Valley Road 457 Comment
  RSA534496  Salix lasiolepis Peter Rubtzoff, J. Eckenwalder 1973-10-3 7333 Sonoma Along Salmon Creek. 0.75 mile NW of Freestone. Comment
  UC505684  Salix lasiolepis C. R. and B. S. Ball 1933-5-30 2511 Sonoma Bodega Bay; at base of bluff below road Comment
  UC505691  Salix lasiolepis C. R. and B. S. Ball 1933-5-6 2502 Sonoma 4 mi. s.w. Calistoga (on rd. to Petrified Forest, just over Napa Co. line) Comment
  UCD111595  Salix lasiolepis Frederica Bowcutt 1996-3-24 2073 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile south of Red Mountain. Trail head for Lower Bald Mtn. Trail @ group campsite just west of Sonoma Creek. 381 Comment
  RSA534486  Salix lucida subsp. lasiandra Peter Rubtzoff, T. J. Crovello 1964-9-3 5496 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC125697  Salix melanopsis W. A. Setchell 1931-8-1 s.n. Sonoma Bohemian Grove, near Monte Rio, in gravelly bed of Russian River Comment
  UC490559  Salix melanopsis Joseph P. Tracy 1932-5-8 9898 Sonoma Geyserville Northern Coast Ranges, Geyserville Comment
  CAS-BOT-BC126178  Salix scouleriana Mary P. Wells 1987-3-25 872 Sonoma By bridge over southern creek (north of end of Wild Moor Reach), The Sea Ranch Comment
  CAS-BOT-BC126180  Salix scouleriana Peter Rubtzoff 1961-10-23 4774 Sonoma Cunningham Marsh Comment
  POM214873  Salix scouleriana Y. Mexia 1933-2-18 s.n. Sonoma 4 miles S of Camp Meeker. Comment
  UC524788  Salix scouleriana W. A. Setchell 1934-7-10 6 Sonoma Coast Hwy. n. of Fort Ross Comment
  UC524789  Salix scouleriana W. A. Setchell 1934-7-10 7 Sonoma Caost Hwy. n. of Fort Ross Comment
  LA208908  Salix scouleriana Milo S. Baker; March 1933 7565 Sonoma at foot of O'Farrel Hill on Bodega Hwy Comment
  CAS-BOT-BC128904  Salix sitchensis Ball; Bracelin; Parks & Parks 1931-4-21 36 Sonoma Maacama Creek, 25 km. northwest of Calistoga Comment
  CAS-BOT-BC128909  Salix sitchensis Mary P. Wells 1981-4-19 s.n. Sonoma East of Coast Highway, part way up Moonraker Rd., The Sea Ranch Comment
  CAS-BOT-BC128942  Salix sitchensis Peter Rubtzoff 1959-6-20 4162 Sonoma Willow Creek Marsh Comment
  UC1173579  Salix sitchensis Joseph P. Tracy 1935-8-18 14743 Sonoma w. of Knight's Valley (Mayacamas Creek); Mayacamas Creek 152 Comment
  RSA0038341  Salix sitchensis Carleton R. Ball, H. P. Bracelin, H. E. Parks, S. T. Parks 1931-4-21 35 Sonoma Maacama Creek, 25 km. northwest of Calistoga. Comment
  UCD125322  Salvia columbariae Frederica Bowcutt 1996-5-24 2167 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 W of kiosk. Comment
  CAS-BOT-BC225213  Salvia sonomensis A. A. Heller; H. E. Brown 1902-3-31 5193 Sonoma Mt. Hood Comment
  RSA396195  Salvia sonomensis F. H. Utech, Walter Knight, I. Knight 1984-4-16 84 -99 Sonoma ca 4.0 mi NNW of Sanoma on Cavedale Road from junction with CA hwy 12; ca 1.6 mi N on Cavedale Road from junction 396 Comment
  UC1010756  Salvia sonomensis Peter H. Raven 1954-2-27 6429 Sonoma n side Hooker Creek; Hoods Peak Range 609 Comment
  SEINET12327819  Salvia sonomensis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -099 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  CAS-BOT-BC245885  Sambucus nigra subsp. caerulea Peter Rubtzoff 1966-9-10 5818 Sonoma Atascadero Creek Marsh Comment
  SEINET10501134  Sambucus racemosa var. arborescens Frederick H. Utech, Walter Knight; Irja Knight 1984-4-17 Utech 84 -159 Sonoma Ca 5.0 mi E of Bridgehaven on Willow Creek Rd. Tree to 10 ft tall; edge of Redwood Forest Association. 145 Comment
  UC1073295  Sanicula arctopoides George B. Rossbach 1955-3-19 376 Sonoma northern and highest hill on Bodega Head Bodega Head 81 Comment
  UCD127938  Sanicula bipinnatifida Charles B. Heiser Jr. 1946-4-13 1719 Sonoma between Jenner and Ducan Mills. Comment
  UC1022562  Sanicula crassicaulis C. Ritchie Bell 1952-3-19 3 X354 Sonoma se of Bodgea Bay (Larkspur Rock); Larkspur Rock Comment
  CDA10851  Sanicula tuberosa G. F. Hrusa, G. L. Stebbins 1994-4-8 11727 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  UC875544  Sanicula tuberosa Alice Eastwood 1918-5-1 6809 Sonoma Mount St. Helena Comment
  UCD114698  Sanicula tuberosa Christopher Mallek 2008-1 HC12- 13 Sonoma Hooker Canyon. 590 Comment
  RSA799991  Saponaria Peter Rubtzoff 1967-8-18 5849 Sonoma 6 mi east of Guerneville. Comment
  UC635130  Saxifraga integrifolia H. L. Mason 1931-3-7 5808 Sonoma 12 mi w of Santa Rosa (Vine Hill School); Vine Hill School Comment
  UC1123203  Scandix pecten-veneris H. S. Yates 1934-4-21 3819 Sonoma near Monte Rio 60 Comment
  UC796641  Scandix pecten-veneris Ira L. Wiggins 1949-4-30 12059 Sonoma 6.8 mi e of Santa Rosa (on road to Calistoga) Comment
  UCD65652  Schedonorus arundinaceus Gerry North 1993-4 35 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At lower camping area, 50 m east of foot bridge. 365 Comment
  CAS-BOT-BC111438  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1960-6-25 4522 Sonoma Laguna de Santa Rosa northeast of Graton, ca 1/2 mi north of Guernebille Rd. crossing. Comment
  CAS-BOT-BC111535  Schoenoplectus americanus Peter Rubtzoff 1973-9-9 7319 Sonoma Kenwood Marsh Comment
  RSA540068  Schoenoplectus californicus Peter Rubtzoff 1955-8-6 2020 Sonoma Bodega Harbor Marsh Comment
  SD134079  Schoenoplectus californicus Peter Rubtzoff 1967-8-28 5871 Sonoma Lower Salmon Creek Marsh, in shallow water (saline), in the open. Comment
  UCR255033  Schoenoplectus mucronatus Greg de Nevers 1997-9-29 11097 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC111660  Schoenoplectus mucronatus Peter Rubtzoff; Lucy Blake; Nancy Harrison; Betty Lovell 1979-7-15 9290 Sonoma Knights Valley. Pond on east side of Ida Clayton Road. Comment
  UCD50153  Schoenoplectus pungens var. badius Mary M. Hektner 1975-6-3 201 Sonoma Unit 28 Owner's Map, Sea Ranch, near State Highway 1, Sonoma County, California. Comment
  CAS-BOT-BC111843  Schoenoplectus tabernaemontani Peter Rubtzoff 1962-7-4 4970 Sonoma Fitch Mtn. Grove, 2 mi. E of Healdsburg. Comment
  CDA19323  Scirpus californicus Vernon June 2001 PDR P 091976 Sonoma North Coast; Riebli Road near Santa Rosa. 0 Comment
  RSA122656B  Scirpus microcarpus H. S. Yates 1936-5-16 5613 Sonoma 1 mile NW of Mountain View School. 91 Comment
  UC590004  Scirpus microcarpus H. S. Yates 1936-5-16 5613 Sonoma 1 mi nw Mountain View School; Sebastopol Quad., nw of Mountain View School 91 Comment
  UCR255659  Scirpus microcarpus Greg de Nevers 1997-4-1 10925 Sonoma Santa Rosa, Pepperwood Ranch, 3450 Franz Valley Road 400 Comment
  SEINET7883439 Image available Scleropoa rigida Leo Koch 1940-1 964 Sonoma 349 Second Avenue Wood Residence; persisting at this locality for at least 10 years Comment
  SEINET12058076  Scoliopus bigelovii F. H. Utech, Knight, W.; Knight, I. 1988-3-1 88 -002 Sonoma WNW of Sebastapol, 0.2 mi S of Occidental Road on Furlough Road, Sturgeon's Mill 80 Comment
  CAS-BOT-BC320498  Scrophularia californica Peter Rubtzoff 1964-5-20 5307 Sonoma Brooks Gulch Marsh. Comment
  UCD161244  Scrophularia californica James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3694 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  RSA0022386  Scrophularia californica Peter Rubtzoff 1953-5-16 1356 Sonoma Vacation Beach. Near Guerneville. along Russian River. Comment
  SEINET10582627  Scrophularia californica subsp. californica Jon Ricketson, Deanna Vanderbur 1985-7-3 Ricketson 2616 Sonoma Fort Ross State Park, along State Highwa 1, between Fort Ross and Jenner above Pacific Ocean. 50 miles northwest of San Francisco. 30 Comment
  RSA683758  Selaginella bigelovii June N. Ackley 1937-02 424 Sonoma Bridgehaven, western edge of Colorado Desert. 427 Comment
Read comments Apr 9 2013
  UCR45083  Senecio greenei L. F. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  UCR280142  Senecio hydrophilus Peter Rubtzoff 1971-8-9 6636 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC363762  Senecio integerrimus F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  CDA35516  Senecio jacobaea Ed Finley 1986-8-2 s.n. Sonoma Sea Ranch, Coast Hwy 1, west side, near marker 53.41. 0 Comment
  SEINET11807204  Senecio jacobaea W. Knight, Knight, I. 1984-1 5113 Sonoma near junction Hwy 1 & Headlands Beach Rd, Sea Ranch Comment
  JEPS37084  Senecio minimus W. L. Jepson 1931-7-19 15954 Sonoma between Russian River mouth and Occidental Comment
  UCR279861  Senecio minimus Peter Rubtzoff 1954-8-13 1706 Sonoma Bodega Head Marsh 2 Comment
  UCD135615  Senecio minimus D. Sampson 1926-7-8 s.n. Sonoma Monte Rio Ranch. Comment
  CAS-BOT-BC364678  Senecio vulgaris A. A. Heller; H. E. Brown 1902-3-16 5072 Sonoma Russian River, near Trenton Comment
  CAS-BOT-BC364680  Senecio vulgaris Walter Knight; Irja Knight 1963-10-14 414 Sonoma Blomquist Ranch, Penngrove Comment
  CAS-BOT-BC80324  Sequoia sempervirens J. W. Congdon 1880-2-1 s.n. Sonoma Near Santa Rosa Comment
  NY64464  Sequoia sempervirens A. A. Heller 1902-3-16 5080 Sonoma Russian River, near Trenton Comment
  RSA96840  Sequoia sempervirens P. C. Everett, E. K. Balls 1954-10-20 20380 Sonoma 3.5 mi W of Sebastopol, Sebastopol to Freestone. 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
  SEINET8714496 Image available Sequoia sempervirens L. Fallon 1939-1 s.n. Sonoma 15 miles west of Santa Rosa on Guerneville Hy. Comment
  UCD135186  Sequoia sempervirens Chris Bowen 1974-6-1 142 Sonoma Near Sorcer's Wood, Unit 30-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC361288  Setaria Greg de Nevers 1997-8-20 11086 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Along Mark West Spring Road 400 Comment
  CAS-BOT-BC243603  Setaria parviflora Catherine Best 1983-10-12 907 Sonoma At the edge of Janine Road near Bodega Avenue west of Sebastopol. Comment
  CDA39792  Setaria parviflora Peter Warner 2013-8-12 295 Sonoma Green Valley Road, 0.15 miles east of junction with Bones and Maddocks Roads. Comment
  CAS-BOT-BC240152  Setaria pumila Peter Rubtzoff 1968-9-21 5971 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC240276  Setaria viridis G. DeNevers 1981-6-20 1653 Sonoma Pepperwood Ranch. Along Franz Valley Road, N side of main hill at bottom of Hill Comment
  RSA264737  Sherardia arvensis Peter Rubtzoff 1971-5-8 6453 Sonoma Intermittent lake off W side of Hwy 1. 0.7 miles SE of Salmon Creek Crossing. Comment
  UC202838  Sidalcea calycosa subsp. calycosa Milo S. Baker May 1889 Sonoma Stewarts Canyon North Falls, Stewarts Canyon Comment
  UC871442  Sidalcea diploscypha Alice Eastwood 1915-6-5 4586 Sonoma Petrified Forest Comment
  RSA293430  Sidalcea diploscypha Reino Alava 1958-5-24 2060 Sonoma About 4 miles east of Occidental Comment
  SJSU8470  Sidalcea malviflora T. A. Wayne III 1962-4-21 72 Sonoma 3 mi N of Santa Rosa through Bennett Valley Comment
  JEPS21824  Sidalcea malviflora subsp. purpurea Gayle Westigard 1958-5-9 71 Sonoma on the coast near sea level Plantion (Plantation) 0 Comment
  CAS-BOT-BC540832  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. Comment
  UC1601099  Sidalcea oregana subsp. valida Edw. L. Greene 1890-1 Sonoma Knight's Valley Comment
  CAS-BOT-BC361349  Silene coniflora Greg de Nevers 1997-4-24 10961 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC392492  Silene gallica Greg de Nevers 1997-5-23 11008 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. 457 Comment
  UCR248744  Silene gallica Peter Rubtzoff 1974-5-26 7487 Sonoma Bennett Valley Road, 4.25 miles west of Glen Ellen Comment
  RSA41908  Silene gallica H. C. Cantelow 1936-5-3 1244 Sonoma 3 miles S of El Verano. Comment
  UCD98635  Silene gallica Frederica Bowcutt; Botany 102 Students 1994-5-21 1814 Sonoma Sugarloaf Ridge State Park; about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. Along Meadow Trail about 3/4 mile from trailhead. East from trail about 100 yards. 426 Comment
  CAS-BOT-BC389223  Silene laciniata subsp. californica A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero Comment
  UCD160117  Sisyrinchium James A. Neilson Jr. 1973-6-3 3040 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC166702  Solanum Peter Rubtzoff 1974-10-20 7939 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC164687  Solanum Peter Rubtzoff 1951-8-5 594 Sonoma Mirabel Park, 1.5 miles north of Forestville. Comment
  RSA190696  Solanum carolinense T. C. Fuller 1967-9-12 16360 Sonoma On 1/2 acre of sandy loam in apple orchard, 1605 Laguna Rd., Sebastopol. Comment
  NY820383  Solanum xanti A. A. Heller 1902-3-16 5076 Sonoma Russian River, Near Trenton Comment
  CAS-BOT-BC365657  Solidago spathulata John Thomas Howell 1945-8-14 21409 Sonoma Perry Marsh Comment
  CAS-BOT-BC365660  Solidago spathulata L. R. Abrams 1920-7-3 7608 Sonoma Near Stewarts Point Comment
  CAS-BOT-BC365261  Solidago velutina subsp. californica Alice Eastwood 1915-6-29 4804 Sonoma Bodega Point Comment
  CAS-BOT-BC365263  Solidago velutina subsp. californica A. A. Heller 1902-7-2 6055 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC368009  Solidago velutina subsp. californica Greg de Nevers 1989-9-15 9104 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UC1041084  Solidago velutina subsp. californica J. W. Congdon 1880-7-25 Sonoma Petaluma Comment
  UC829902  Solidago velutina subsp. californica A. A. Heller 1902-7-2 6055 Sonoma e Santa Rosa (Santa Rosa Creek); Santa Rosa Creek Comment
  UCD158725  Solidago velutina subsp. californica Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca.1.5 mi east of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 822 Comment
  CAS-BOT-BC365962  Soliva sessilis John Thomas Howell 1931-4-18 6418 Sonoma Mouth of Salmon Creek, 2 miles n. of Bay Comment
  CAS-BOT-BC173831  Soliva sessilis Peter Rubtzoff 1960-5-16 4341 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC374531  Sonchus asper Peter Rubtzoff 1951-7-7 359 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC235357  Sorghum X drummondii David L. Morgan 1956-7-29 s.n. Sonoma At junction of Petaluma-Vy. Ford Rd. and Smith Rd. Comment
  UCD92976  Spartina foliosa Beecher Crampton 1958-12-30 5140 Sonoma 10 miles west of city of Vallejo, along Sonoma Creek, north shore of San Pablo Bay. Comment
  SEINET12165196  Spartium junceum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -202 Sonoma "The Geysers", ca 14 mi ESE of Preston and US 101 on Geysers Rd 800 Comment
  CAS-BOT-BC390050  Spergula arvensis Mary P. Wells 1984-5-9 266 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC320509  Spergularia Peter Rubtzoff 1969-8-14 6129 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  CAS-BOT-BC390974  Spergularia marina Walter Knight; Irja Knight 1963-9-29 232 Sonoma Near railroad bridge over Petaluma River ca. 1 mi. s. of Petaluma Comment
  UCR275242  Spergularia rubra Peter Rubtzoff 1969-8-14 6130 Sonoma Along Salmon Creek, c. 0.5 mile upstream from Hwy #1 3 Comment
  CAS-BOT-BC390734  Spergularia rubra G. DeNevers 1981-6-4 1432 Sonoma Pepperwood Ranch. In Garrison yard Comment
  JEPS64498  Spiranthes porrifolia W. L. Jepson 1921-6-2 9302 a Sonoma Poor Man's Flat Windsor (in same field as #7657) Comment
  RSA82588  Stachys ajugoides F. W. Peirson 1925-8-8 6341 Sonoma Roadside 6 miles south of Santa Rosa Comment
  UCD125541  Stachys chamissonis Frederica Bowcutt 1984-6-24 437 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg . W of Hwy 1. N of Gerstle Cove along creek. 15 Comment
  OBI39525  Stachys rigida var. quercetorum F. H. Utech, Walter & Irja Knight, Irja Knight 1984-4-16 84 -081 Sonoma Ca 4.0 mi NNW of Sonoma on Cavedale Rd from jctn with CA hwy 12; ca 0.5 mi N on Cavedale Rd from jctn 152 Comment
  UCD161301  Stachys rigida var. quercetorum James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3715 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  SEINET12326113  Stachys rigida var. quercetorum W. Knight, Knight, I. 1983-1 4718 Sonoma Sonoma Montain Road #2 along creek near Wake Robin Lodge on old Jack London property Comment
  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
  UCR256114  Stachys stricta Greg de Nevers 1993-8-8 10485 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC502061  Stachys stricta Peter Rubtzoff 1975-8-11 8316 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC320563  Stellaria Peter Rubtzoff 1970-10-29 6418 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  UCD166315  Stellaria Peter Rubtzoff 1967-8-22 5852 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC293753  Stellaria media Peter Rubtzoff 1960-5-18 4380 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC394958  Stellaria media Walter Knight; Irja Knight 1963-8-13 274 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC397772  Stellaria media Peter Rubtzoff 1952-3-23 882 Sonoma Pitkin Marsh, near Forestville; Upper Marsh Comment
  RSA800340  Stellaria media Peter Rubtzoff 1958-8-16 3883 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UCD151227  Stephanomeria virgata James A. Neilson Jr. 1974-5-1 3119 Sonoma On the border of Lake and Sonoma Counties: Mayacmas Mountains, Geyser Rock area, west of Whispering Pines and State Highway 175. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  UCR254832  Stephanomeria virgata Greg de Nevers 1997-8-17 11076 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, Oak Hill Ranch 400 Comment
  JEPS96915  Streptanthus barbiger Dean W. Taylor 1998-6-22 16682 Sonoma Geysers Area, serpentine barren along John King Cade Road; headwters Cobb Creek 975 Comment
  UC1478046  Streptanthus brachiatus Charlie Patterson 1980-6-16 Sonoma ca 1 1/2 mi e Socrates Mine (near Lake Co. line) Comment
  UCD72522  Streptanthus brachiatus Sharon Strauss 2007-6-28 s. n. Sonoma End of Pine Flat Road at Calpine 'The Geysers.' Up fire road 0.1 mile from parking area at gate. 973 Comment
  UCR67077  Streptanthus brachiatus subsp. brachiatus L. F. LaPre 1986-7-29 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  CAS-BOT-BC61231  Streptanthus breweri Herbert L. Mason 1946-7-4 12896 Sonoma 2 miles east of Occidental. Comment
  CAS-BOT-BC87230  Streptanthus glandulosus subsp. glandulosus Anna F. Rodda 1929-5-6 s.n. Sonoma Geyserville. Comment
  CAS-BOT-BC87231  Streptanthus glandulosus subsp. glandulosus Mrs. C. A. Burlingame 1921-5-20 s.n. Sonoma Sonoma. Comment
  UC10874  Streptanthus glandulosus subsp. glandulosus F. T. Bioletti 1892-5-1 Sonoma Hood's Peak Comment
  UC956574  Streptanthus glandulosus subsp. glandulosus Freed W. Hoffman 1949-6-5 2902 Sonoma along ridge top above Pine Flat (near Contact Mine); North Coast Ranges 960 Comment
  UC10912  Streptanthus glandulosus subsp. secundus Edw. L. Greene 1894-6-17 Sonoma Mt. St. Helena Comment
  UC1492791  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-16 2346 Sonoma Dorr's Cabin North Coast Ranges, upper East Austin Creek Comment
  UC70399  Streptanthus glandulosus subsp. secundus Milo S. Baker 1899-6-28 Sonoma near Duncan's Mills; Russian River Comment
  NY185747  Streptanthus glandulosus subsp. secundus F. W. Hoffman 1948-6-8 2323 Sonoma North Coast Ranges; Great Eastern Quicksilver Mine near Guerneville Comment
  UC1492787  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1931-5-24 3862 Sonoma a little w Blue Knoll (w of Cazadero); North Coast Ranges, Ungewitter Ranch Comment
  CAS-BOT-BC87302  Streptanthus glandulosus subsp. sonomensis G. DeNevers 1981-6-15 1512 Sonoma Pepperwood Ranch. 1st road cut on Franz Valley Road. Comment
  UCD167021  Streptanthus morrisonii James Neilson 1981-7-1 4046 Sonoma Mayacmas Mountains. Abril Ridge. (Abril Ridge assumed to be on Abril property which, based on other Neilson collections, includes T11N R9W Sect. 15. Exact location unknown, coordinates estimated by label maker.) Comment
  UC1292745  Streptanthus morrisonii Freed W. Hoffman 1950-6-17 3378 Sonoma Steelhead Gulch North Coast Ranges Comment
  UC1751202  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1946-8-29 1024 Sonoma Red Slide, Bargeman Creek North Coast Ranges Comment
  CAS-BOT-BC274034  Stuckenia pectinata Peter Rubtzoff 1964-8-20 5465 Sonoma 1 mile southeast of Jenner (near crossing of Hwys. 1 & 12). Comment
  CAS-BOT-BC258036  Symphoricarpos Peter Rubtzoff 1958-7-19 3760 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  RSA799981  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma On River Road, 3 mi west of Fulton. Comment
  UC353794  Symphoricarpos mollis Milo S. Baker Jun 1928 3168 a Sonoma e side Los Guilucos Valley (road to Youngman's) 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-BC97824  Symphyotrichum chilense Greg de Nevers 1987-1-1 8121 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  SBBG54474  Symphyotrichum chilense L. R. Abrams -Aug-1907 Sonoma Sebastopol Comment
  CAS-BOT-BC97835  Symphyotrichum chilense Walter Knight; Irja Knight 1984-9-26 5236 Sonoma 5.9 mi. up Cavevale Rd. Comment
  CDA5450  Taeniatherum caput-medusae D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .278 Sonoma Cavedale Rd. Comment
  UC1103198  Taeniatherum caput-medusae Joseph P. Tracy 1935-7-7 14049 Sonoma on road between the Geysers and Geyserville (Northern Coast Ranges); Northern Coast Ranges 609 Comment
  UCD86177  Taeniatherum caput-medusae G. F. Hrusa; R. Gross 1999-6-12 15078 Sonoma Foote Ranch, corner of Ida Clayton Rd and Hwy 128, Knights Valley. Comment
  CAS-BOT-BC376987  Taraxacum officinale Peter Rubtzoff 1952-3-23 877 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CDA5449  Teesdalia coronopifolia D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .288 Sonoma Cavedale Rd. Comment
  CAS-BOT-BC447464  Tellima grandiflora A. A. Heller 1903-4-23 6612 Sonoma Fort Ross Comment
  UC58232  Tellima grandiflora A. A. Heller 1903-4-23 6612 Sonoma Fort Ross Comment
  RSA66922  Thermopsis californica var. californica E. K. Balls, Lee W. Lenz, B. K. Balls 1951-5-3 16400 Sonoma About 3 mi. north of Hwy 12 on road to Petrified Forest. Comment
  CAS-BOT-BC66809  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10936 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66805  Thysanocarpus curvipes John Thomas Howell 1931-4-4 6177 Sonoma Santa Rosa Canyon. Comment
  CAS-BOT-BC66815  Thysanocarpus curvipes G. DeNevers 1981-3-25 559 Sonoma Pepperwood Ranch. On Franz Valley Road below Walter Wards house. Comment
  CAS-BOT-BC66819  Thysanocarpus curvipes A. A. Heller; H. E. Brown 1902-4-14 5284 Sonoma Near Mark West Springs. Comment
  SEINET11987373  Thysanocarpus curvipes var. elegans R. A. Schlising 1962-1 2125 -d Sonoma along Cavedale Road, 1 mi E of Hwy 12 Comment
  UCD116048  Thysanocarpus radians M. Wiesendanger 1927-5-5 715 Sonoma Sonoma. Comment
  UC14525  Tiarella trifoliata var. unifoliata W. C. Blasdale 1896-7-19 Sonoma Cazadero Comment
  CDA16158  Torilis arvensis G. F. Hrusa, R. Gross 1999-6-12 15077 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
  UCD128172  Torilis nodosa Frederica Bowcutt 1984-6-23 436 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. North of Gerstle Cove approx. 1/4 mile. W of Highway 1. 15 Comment
  SEINET10905242  Torreya californica Milo S. Baker 1941-8-4 Baker 8592 Sonoma Canyon near Sea Coast. Comment
  UCR265548  Torreyochloa pallida var. pauciflora Ann Howald, Christina Freeman 2015-6-1 3412 Sonoma Inner North Coast Ranges, Annadel State Park, Ledson Marsh, northwest corner, south of Marsh Trail 362 Comment
  CAS-BOT-BC169264  Toxicodendron diversilobum D. E. Breedlove 1980-6-28 44801 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CDA35357  Toxicodendron diversilobum G. D. Barbe 1974-4-29 1783 Sonoma 1 mile south of Washington School Road on Asti Road, south of Asti. 0 Comment
  CAS-BOT-BC499109  Toxicoscordion fontanum Ann Howald 2015-4-13 3341 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, south shore, c. 300 ft N of intersection Pig Flat and Marsh Trails 363 Comment
  UCD136893  Tragopogon porrifolius Gerry North 1993-4 36 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At lower camping area, 50 m E of foot bridge. 365 Comment
  JEPS63124  Trichostema lanceolatum W. L. Jepson 1921-9-8 9430 Sonoma Healdsburg, Russian River Comment
  CHSC24184  Trichostema laxum T. P. Spira 1976-7-23 Sonoma Ca. 2 mi nw of Camp Meeker and 1/4 mi n of Bohemian Hwy. 91 Comment
  JEPS63141  Trichostema laxum Milo S. Baker 1923-8-26 443 Sonoma near Geyserville (Russian River) Comment
  UC762794  Trichostema laxum R. F. Hoover 1942-7-13 5917 Sonoma 3 mi S of Monte Rio Comment
  UC971948  Trientalis latifolia Martha Meagher 1947-4-6 102 Sonoma county road 1/2 mi w of Freezeout Creek (across Russian River from Duncan's Mills) Comment
  UCD117567  Trientalis latifolia F. Bowcutt 1994-5-1 1756 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. Along Sonoma Creek just E of Bear Creek near bridge over Sonoma Creek. On Goodspeed trail about 30 yards from trail head. Along Sonoma Creek. 198 Comment
  JEPS46206  Trientalis latifolia Eleanor Armstrong 1932-5-1 495 Sonoma near Camp [Nielson] 121 Comment
  CAS-BOT-BC173535  Trifolium Peter Rubtzoff 1974-6-2 7511 Sonoma Upper Green Valley Marsh. Comment
  POM316686  Trifolium Patricia Wilder 1965-6-10 3650 Sonoma Seaview road, ca. 1 miles north of junction with Fort Ross road. 549 Comment
  RSA784989  Trifolium Peter Rubtzoff 1974-5-18 7420 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA784999  Trifolium Peter Rubtzoff 1976-5-30 8556 Sonoma Kenwood Marsh Comment
  UC1784121  Trifolium Milo S. Baker 1932-4-25 5680 Sonoma at Larkspur Hill, 1 mile east of Bodega Bay, south of highway Comment
Read comments Jun 12 2012
  UCSC010633  Trifolium R. Morgan 2014-5-12 5637 b Sonoma Bodega Head Comment
  UCD107340  Trifolium albopurpureum Botany 102 Students 1993-5-8 242 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Meadow Creek. 396 Comment
  UC726770  Trifolium albopurpureum var. dichotomum A. A. Heller 1940-5-6 15590 Sonoma near Petrified Forest (roadside bank) Comment
  CAS-BOT-BC217057  Trifolium amoenum John Thomas Howell 1938-7-3 13952 Sonoma Stony Point Comment
  UC764651  Trifolium amoenum R. F. Hoover 1941-5-14 5071 Sonoma 1 mi n Valley Ford Comment
  UCD107140  Trifolium amoenum P. G. Connors 1996-6-5 372 Sonoma Bodega Head and Dunes. Near Horseshoe Cove. Comment
  CAS-BOT-BC217060  Trifolium amoenum Peter G. Connors 320 Sonoma West of Occidental Comment
  UCSC008686  Trifolium amoenum Randall Morgan 2014-1 Sonoma Comment
  JEPS117087  Trifolium barbigerum Peter Warner 2010-4-15 130 Sonoma Jenner Headlands, Sonoma Land Trust property, along primary access road (Willig Ave. Extension), approx. 1 km N of Jenner village, in ultramafic grassland about 25 m E of road. Comment
  SEINET12166391  Trifolium cyathiferum H. K. Wagnon 1989-1 1888 Sonoma ca 20 yards N of Fort Ross Schools Reservoir 122 Comment
  UC80343  Trifolium depauperatum var. amplectens Michener and Bioletti 1893-1 Sonoma Kenwood Comment
  UC16481  Trifolium depauperatum var. depauperatum F. T. Bioletti 1892-1 Sonoma Comment
  UCD165131  Trifolium depauperatum var. depauperatum Peter Rubtzoff; Walter Lennon 1974-5-11 7393 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  LA205212  Trifolium depauperatum var. truncatum M. S. Baker; May 1935 8077 Sonoma Bennett Valley Road, 0.5 mi. E of Santa Rosa Fair Grounds Comment
  POM68425  Trifolium dichotomum Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  CAS-BOT-BC371429  Trifolium dubium Greg de Nevers 1997-4-17 10947 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1026471  Trifolium dubium Peter Rubtzoff 1951-7-14 439 Sonoma near Forestville (s half of lower marsh, near hwy); Pitkin Marsh Comment
  CAS-BOT-BC361299  Trifolium fragiferum Greg de Nevers 1997-5-31 11012 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa, northwest of Finnell Cabin 457 Comment
  CAS-BOT-BC371475  Trifolium fragiferum Greg de Nevers 1995-7-19 10761 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Trapper's Cabin 400 Comment
  RSA0079933  Trifolium fragiferum Greg de Nevers 1997-7-24 11071 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At Double Ponds and Turtle Pond. 100 Comment
  UCR254920  Trifolium fragiferum Greg de Nevers 1997-7-24 11071 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CHSC90392  Trifolium fucatum Elizabeth L. Knight 1988-4-1 6 Sonoma Ca. .25 m ene of southernmost point of Bodega Head and 100 ft n of Pacific Ocean. 15 Comment
  UC1130026  Trifolium fucatum H. S. Yates 1934-4-22 3836 Sonoma near Petrified Forest; Calistoga quad 243 Comment
  SEINET12166390  Trifolium glomeratum H. K. Wagnon 1989-1 1886 Sonoma Adjacent to Fort Ross School's reservoir- Timber Cove 122 Comment
  UCD111235  Trifolium incarnatum Allen Hahus 1978-4-22 18 Sonoma 0.25 mile west of Jonive Road on Highway 12. Comment
  CAS-BOT-BC368063  Trifolium microcephalum Greg de Nevers 1998-5-26 11261 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  UC16619  Trifolium microcephalum H. N. Bolander 1864-1 3852 Sonoma Russian River Bed Comment
  UCD111372  Trifolium microcephalum P. G. Connors 1995-6-2 347 Sonoma Near old Gaffney ranch house site, near BML housing. Comment
  UC866894  Trifolium microdon L. R. Abrams 1918-4-27 6916 Sonoma near Healdsburg (Independence School) Comment
  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
  UCR255722  Trifolium striatum Greg de Nevers 1998-5-12 11245 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD150135  Trifolium variegatum Ayzik Solomeshch 2009-5-13 s.n. Sonoma West edge of city of Santa Rosa, S of Hwy 12 and just E of S Wright Rd. San Jones wetland, sampling pool #1. 31 Comment
  UCD84286  Trifolium variegatum Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  JEPS117957  Trifolium vesiculosum Zoya Akulova-Barlow 2008-1 Sonoma Cloverdale River Park Comment
  POM21427  Trifolium willdenovii A. A. Heller, H. E. Brown 1902-4-9 5238 Sonoma Three Miles South of Healdsburg. Comment
  UC165494  Trifolium willdenovii Milo S. Baker 1898-4-26 693 Sonoma Santa Rosa Creek Canyon Comment
  SEINET12165540  Trifolium willdenovii F. H. Utech 1986-1 86 -122 Sonoma 3 mi SW on Sonoma Mt. Road from junction with CA 12, near Jack London Historical Park 250 Comment
  SD40319  Trifolium wormskioldii Edith A. Purer 1932-7-24 4090 Sonoma Near Bridge Bay Comment
  CAS-BOT-BC451943  Triglochin maritima Lewis S. Rose 1964-6-3 64055 Sonoma N. end of Bodega Bay. [Actually the loc. is at north end of Bodega Harbor, not Bodega Bay -- Rubtzoff '91.] 1 Comment
  UCD138199  Triglochin scilloides G. F. Hrusa; R. Gross, A. Buckmann 1996-3-29 12742 Sonoma Napa Valley bottom, immediately S of Tubbs Lane, approx. 2 m. NW of Calistoga. 110 Comment
Read comments May 25 2016
  UC1084348  Trillium albidum G. Thomas Robbins 1937-3-25 2 Sonoma Sonoma Creek Bennett Valley, Sonoma Creek Comment
  UC1134687  Trillium albidum E. Armstrong 1934-2-26 945 Sonoma Camp Meeker Sebastopol Quad., Camp Meeker Comment
  CAS-BOT-BC521308  Trillium rivale Peter Rubtzoff 1953-5-18 1406 Sonoma Forested hills south of Guerville (Neeley Hill area). Comment
  UC1334893  Triphysaria L. D. Thurman 1964-4-24 434 Sonoma on State Hwy #128, 15 mi nw Calistoga Comment
  HSC82072  Triphysaria versicolor subsp. faucibarbata Thomas W. Nelson, Jane Nelson 1980-5-3 5122 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  SEINET13748176  Triphysaria versicolor subsp. faucibarbata W. Roderick 1967-5-6 s. n. Sonoma East edge of Petaluma 8 Comment
  CAS-BOT-BC200110  Trisetum canescens Roxana S. Ferris; Laura Lorraine 1961-6-14 13533 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway 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
  CAS-BOT-BC200100  Trisetum canescens Catherine Best 1985-5-24 1100 Sonoma Stump Beach Park Comment
  UCD93590  Trisetum canescens Freed W. Hoffman 1943-6-6 2212 Sonoma Coast road near Bridgehaven. Comment
  JEPS64193  Triteleia hyacinthina Eleanor Armstrong 1932-5-25 512 Sonoma near Mark West Springs 152 Comment
  CAS-BOT-BC522367  Triteleia hyacinthina H. C. Cantelow 1936-5-3 1326 Sonoma N of Shellville Comment
  CAS-BOT-BC522374  Triteleia hyacinthina Catherine Best 1983-5-11 s.n. Sonoma In a field along the west side of Arnold Drive about .5 miles south of the intersection of Hwy. 116 Comment
  SEINET7067244  Triteleia laxa A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1 and east of Ocean Cove. Coordinate datum: NAD27. Comment
  CAS-BOT-BC527036  Triteleia laxa D. E. Breedlove 1980-6-27 44750 Sonoma Pepperwood Ranch west of Knights Valley Comment
  SEINET12050340  Triteleia laxa J. T. Vale 1988-1 s.n. Sonoma Skaggs Springs, road between Sonoma Lake and Annapolis Rd Comment
  SEINET12057263  Triteleia laxa F. H. Utech 1978-6-26 78 -256 Sonoma Salt Pt. SP 24 Comment
  CAS-BOT-BC527965  Triteleia peduncularis Greg de Nevers 1987-5-11 s. n. Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC527976  Triteleia peduncularis Peter Rubtzoff 1957-5-26 3363 Sonoma Occidental Marsh Comment
  CAS-BOT-BC80204  Tsuga heterophylla John Madison; Mary P. Wells; Mary Rhyne 1985-11-4 691 Sonoma Forest about 1/3 mile south of the Gualala River Comment
  UC1220418  Tsuga heterophylla B. F. Smith 1962-10-24 29 Sonoma 3.5 mi se of Gualala; Quad. 61C2 182 Comment
  RSA216176  Typha domingensis Peter Rubtzoff 1955-8-21 2090 Sonoma Vacation Beach, near Guerneville. Near the margin of the Russian River. Comment
  CAS-BOT-BC403988  Urtica dioica subsp. gracilis Mary P. Wells 1984-8-9 438 Sonoma Near South Fork of Gualala River, the Hot Spot, The Sea Ranch Comment
  CAS-BOT-BC404221  Urtica dioica subsp. holosericea A. A. Heller 1902-6-24 5759 Sonoma Near Burke's Sanitarium Comment
  UC848742  Urtica dioica subsp. holosericea Marcus E. Jones, A. M. 1882-7-17 3483 Sonoma Duncan Mills Comment
  CAS-BOT-BC391314  Vaccaria hispanica Miss May 1886-6-15 s.n. Sonoma Unspecified Comment
  UC877173  Vaccinium cespitosum Milo S. Baker 1940-1 9670 Sonoma Gravenstein Highway Perrys Marsh Comment
  RSA240623  Vaccinium ovatum C. W. Tilforth, John Dourley 1973-7-18 907 Sonoma Occidental Rd. between Molino and Occidental, n.w. of Sebastopol. Comment
  RSA471155  Vaccinium parvifolium H. L. Bauer 355 Sonoma Big Basin Comment
Read comments Sep 18 2012
  UC473575  Veratrum fimbriatum John Thomas Howell 1931-9-26 8094 Sonoma 7 mi n Fort Ross Comment
  RSA731  Verbascum blattaria E. R. Johnson 1928-8-22 1113 Sonoma Cloverdale Comment
  CDA15998  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15678 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. with benches above. Comment
  CDA15999  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15679 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Sheet 1 of 2. Comment
  UCD124727  Verbascum thapsus K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  JEPS65942  Verbena lasiostachys var. lasiostachys L. M. Newlon 1921-9-12 271 Sonoma Alexander Valley Comment
  UC104852  Verbena lasiostachys var. lasiostachys Alice Eastwood 1900-5-8 Sonoma Knight's Valley Comment
  CAS-BOT-BC262805  Veronica Peter Rubtzoff 1974-9-7 7867 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  UCR244665  Veronica Peter Rubtzoff 1966-6-5 5757 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC262794  Veronica americana Peter Rubtzoff 1973-8-29 7280 Sonoma Sonoma Creek, near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCD148319  Veronica americana Peter Rubtzoff 1954-6-6 1461 Sonoma Guerneville Marsh. Comment
  JEPS19383  Veronica persica G. Thomas Robbins 1937-3-27 45 Sonoma Santa Rosa Comment
  JEPS81725  Veronica scutellata Rimo Bacigalupi with members of the California Botanical Society 1958-5-24 6362 Sonoma n of Sebastopol (at Pitkin Marsh); Vine Hill region, Pitkin Marsh 60 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
  RSA655446  Vicia benghalensis Beecher Crampton 1955-4-4 2393 Sonoma Asti Comment
  RSA96839  Vicia dasycarpa Percy C. Everett, E. K. Balls, George B. Everett 1954-10-20 20381 Sonoma 0.6 mi. n.w. of Freestone on road to Occidental. 91 Comment
  JEPS86772  Vicia lathyroides Jack and Betty Guggolz 1990-6-11 1062 Sonoma about 11 km e Healdsburg (on the Ferrari-Carano Ranch) 228 Comment
  CAS-BOT-BC376269  Vicia lutea Greg de Nevers 1995-6-18 10753 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In grassland south-east of Hill 1524 487 Comment
  UC17022  Vicia sativa W. H. Brewer 1862-4-18 965 Sonoma near Sonoma Comment
  UC673605  Vicia sativa subsp. nigra Herbert L. Mason 1926-3-20 2750 Sonoma s of Calistoga (marshes, along railroad right-of-way) Comment
  UCR254854  Vicia tetrasperma Greg de Nevers 1993-7-4 10471 Sonoma Willow Creek drainage downhill from 18375 Willow Creek Road [Occidental] 244 Comment
  POM134840  Viola douglasii A. A. Heller, H. E. Brown 1902-3-14 5062 Sonoma Near Windsor. Comment
  UC1761580  Viola douglasii Mildred Greene 1926-4-1 Sonoma Santa Rosa Country Club golf links Comment
  CAS-BOT-BC536904  Viola glabella Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  CAS-BOT-BC536909  Viola glabella Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC536963  Viola lobata Mrs. C. A. Burlingame 1921-4-1 s.n. Sonoma Sonoma Comment
  CHSC26275  Viola sempervirens P. Kunst 1977-4-12 25 Sonoma Ca. 3 ft to sw of Coleman Valley Rd and 0.8 mi w of Occidental. 207 Comment
  UC1761303  Viola sempervirens Mary Eloise Bauder 1929-6-4 4 Sonoma Pocket Canyon Guerneville Comment
  UC1762399  Viola sempervirens Edith Hessel 1927-4-17 Sonoma Mill Creek Comment
  UC1742250  Viola septentrionalis Milo S. Baker 1944-5-2 Sonoma Brookside Garden Comment
  UC1393644  Viscum album W. J. Ferlatte and William O. McCartney 1970-12-22 1326 Sonoma Sebastopol; 525 Main Street Comment
  CAS-BOT-BC203136  Vitis californica W. W. Carruth 1900-7-1 s.n. Sonoma Near Healdsburg Comment
  SJSU7518  Vitis californica L. S. Rose 1968-6-25 68115 Sonoma Rincon Ridge NE of Santa Rosa 121 Comment
  UC552473  Vitis californica Professor J. T. Barrett 1936-6-19 Sonoma above Guerneville; Russian River Comment
  UCD17547  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma 5 miles N on Upper Lake Highway, E of Ukiah. Near first highway bridge. Comment
  CAS-BOT-BC199895  Vulpia bromoides G. DeNevers; S. Kaza 1981-5-7 977 Sonoma 10510 Old Redwood Hwy. 2 mi NW of Windsor exit from 101, vacant lot by Healdsburg Rent-All Comment
  CAS-BOT-BC199909  Vulpia bromoides Peter Rubtzoff 1955-5-21 1878 Sonoma Ross Marsh Comment
  CAS-BOT-BC199914  Vulpia bromoides Peter Rubtzoff 1951-7-7 372 Sonoma Eastern branch of the Upper Marsh Comment
  UCD151221  Vulpia bromoides James A. Neilson Jr. 1974-5-17 2979 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  CAS-BOT-BC199904  Vulpia bromoides G. DeNevers 1981-6-8 1505 Sonoma In Pippindale Garden Comment
  JEPS45823  Vulpia microstachys var. ciliata Eleanor Armstrong 1932-6-4 187 Sonoma 3 mi w Graton; Schlackley Flat 30 Comment
  UCD93733  Vulpia microstachys var. ciliata A. A. Beetle; G. L. Stebbins 1942-6-4 3586 Sonoma near Occidental. Comment
  CAS-BOT-BC184595  Vulpia microstachys var. pauciflora Leo Koch 1939-4-16 585 Sonoma Ca. 7 mi. from Petaluma to Marshalls Comment
  UCD94520  Vulpia microstachys var. pauciflora Beecher Crampton 1967-5-15 7929 Sonoma Lytton. Comment
  UCD94914  Vulpia myuros Peter H. Raven 1950-4-6 1549 Sonoma Cotati to Santa Rosa. Comment
  CAS-BOT-BC185836  Vulpia myuros subsp. megalura G. DeNevers 1981-5-11 1120 Sonoma By the Garrison Gate Comment
  UC1023601  Vulpia myuros var. hirsuta Virginia Bufford 1936-5-20 303 Sonoma 3 to 4 mi from Redwood Highway (Mark West Rd) Comment
  UC903741  Vulpia octoflora var. glauca Milo S. Baker 1947-4-22 11692 Sonoma w slope Hood Mt. (along trail towards cliffs from residence of Mr. Gray) Comment