Search Results — 2000 specimen records retrieved (1266 records with coordinates)
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Results for search: County=SONOMA; Source=All;   

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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/cch_archive/).
 Records are made available under the CCH Data Use Terms.
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78077  Abies grandis Roxana S. Ferris 1940-3-22 9841 Sonoma at Stillwater Cove Ranch, north of Fort Ross on State Highway #1 Comment
  CAS-BOT-BC376300  Abutilon theophrasti Greg de Nevers 1992-7-25 10235 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Mark West Creek 304 Comment
  CAS-BOT-BC436992  Acaena pinnatifida var. californica J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC332756  Acer macrophyllum J. W. Congdon May, July (no year stated) s.n. Sonoma Unspecified Comment
  NY149868  Achillea arenicola A. A. Heller 1902-5-27 5608 Sonoma Bodega Bay Comment
  SEINET10721470 Image available Achillea arenicola A. Arthur Heller 1902-5-27 Heller 5608 Sonoma Bodega Bay Comment
  CAS-BOT-BC30080  Achillea millefolium Peter Rubtzoff 1951-6-16 250 Sonoma Pitkin Marsh, near Forestville, uppermost part of the western branch of the upper marsh Comment
  CAS-BOT-BC30091  Achillea millefolium John Thomas Howell 1955-8-6 30896 Sonoma Dunes at Bodega Head Comment
  CAS-BOT-BC30449  Achillea millefolium John Thomas Howell 1938-7-3 13958 Sonoma Pitkin Marsh Comment
  SD41359  Achillea millefolium Edith A. Purer 1932-7-24 4075 Sonoma Near Bodega Bay. Comment
  UC891015  Achillea millefolium Milo S. Baker 1932-6-10 5879 Sonoma north of, next to beach Salmon Creek Comment
  UCSB15937  Achillea millefolium 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  CAS-BOT-BC30077  Achillea millefolium John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh Comment
  CAS-BOT-BC29157  Achyrachaena mollis A. A. Heller; H. E. Brown 1902-4-16 5304 Sonoma Fields east of Santa Rosa Comment
  POM182698  Achyrachaena mollis D. D. Keck 1931-4-2 1000 Sonoma Boyes Springs 30 Comment
  UCD128277  Achyrachaena mollis Frederica Bowcutt 1996-5-23 2153 B Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon above group campground. Near trailhead forLower Bald Mountain. 472 Comment
  UCD35507  Acmispon cytisoides Beecher Crampton 1957-7-22 4395 Sonoma Along State Hwy. 1, 0.25 mile north of Fort Ross. Comment
  OBI12974  Acmispon glaber var. glaber Robert F. Hoover 1964-9-8 9288 Sonoma Timber cove Comment
  CAS-BOT-BC30278  Adenocaulon bicolor Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Road, 3 miles east of Stewarts Point Comment
  UCD128526  Adenocaulon bicolor K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  SEINET10614483  Adenocaulon bicolor David B. Dunn, Melvin L. Conrad; Katherine L. Morris 1973-6-9 Dunn 20704 A Sonoma 2 mi NW of Forestville on Hwy. 116, Douglas Fir forest with some oaks. Comment
  CDA31293  Adenostoma fasciculatum D. G. Kelch 2010-5-3 10 .2 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  JEPS128362  Adiantum aleuticum Roger Raiche 2000-5-28 122 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this is not the name on USGS topo sheets). Gualala River, Wheatfield Fork watershed. Comment
  JEPS128375  Adiantum aleuticum Roger Raiche 2000-5-5 092 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC9074  Aegilops triuncialis Thomas C. Fuller 1960-6-14 4485 Sonoma James Black property, River Road, ca. 6 mi. E/Cloverdale Comment
  SEINET3096032 Image available Aesculus californica Royal D. Suttkus 1967-6-25 67- 29 -1 Sonoma 4.4 miles SE of Alexander Valley. Comment
  UCD117143  Aesculus californica Frederica Bowcutt 1997-7-18 2175 Sonoma Sugarloaf Ridge State Park, about 50 air miles north of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge west of Bear Creek. 365 Comment
  CAS-BOT-BC121  Agastache urticifolia var. glaucifolia Amos Arthur Heller 1902-6-28 5792 Sonoma Between Knight's Valley and Mark West Springs Comment
  UCD165164  Agoseris Peter Rubtzoff 1974-5-26 7470 Sonoma Vernal pool on Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  UCD128637  Agoseris apargioides var. apargioides P. G. Connors 1992-5-14 257 Sonoma Bodega Marine Laboratory, Bodega Head and Dunes. Comment
  CAS-BOT-BC368034  Agoseris grandiflora Greg de Nevers 1998-6-20 11291 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along creek below Rogers Apple Orchard. 400 Comment
  CAS-BOT-BC22783  Agoseris heterophylla John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53989 Sonoma Fairfield Osborn Preserve of the nature Conservancy, 4.5 miles NW of Penngrove on the west slope of Sonoma Mountain 457 Comment
  RSA0065936  Agropyron Greg de Nevers 1989-04 9065 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  CAS-BOT-BC210001  Agrostis Peter Rubtzoff 1977-9-4 9130 Sonoma Cunningham Marsh area. Ca. 1 air mi. WSW of Cunningham Station Comment
  CAS-BOT-BC210010  Agrostis Peter Rubtzoff 1973-8-27 7263 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC210012  Agrostis Peter Rubtzoff 1970-9-3 6378 Sonoma Marsh off Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  CAS-BOT-BC376232  Agrostis Greg de Nevers 1992-6-26 10210 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  RSA0051268  Agrostis Greg de Nevers 1992-6-26 10201 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 91 Comment
  UCD55663  Agrostis Beecher Crampton Date Unknown Sonoma Barker Hill. Comment
  UCD35514  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma 4.6 miles north of Salmon Creek, Sonoma Coast State Park, Duncan's Point. Comment
  UCD37158  Agrostis blasdalei Beecher Crampton 1957-7-11 4352 Sonoma Sonoma County, 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  UCD51831  Agrostis blasdalei Beecher Crampton 1957-7-11 4330 Sonoma Sonoma Coast State Park, 0.9 miles north of Salmon Creek. Comment
  UCD51868  Agrostis capillaris Mary M. Hektner 1974-7-18 148 Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD51881  Agrostis capillaris Milo S. Baker 1943-7-29 10502 Sonoma Brookside Garden, Kenwood. Comment
  SEINET249772  Agrostis clivicola Beecher Crampton 1957-7-11 4351 Sonoma 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  UC1153786  Agrostis densiflora Beecher Crampton 1957-7-11 4344 Sonoma sandy slopes above bluffs (4.6 mi n of Salmon Creek); Sonoma Coast State Park, Duncan's Point Comment
  UCD51896  Agrostis densiflora Beecher Crampton 1957-7-22 4391 Sonoma 11.1 miles south of Stewart's Point, above Stillwater Cove. Comment
  UCD51897  Agrostis densiflora Beecher Crampton 1957-7-11 4339 Sonoma Sonoma Coast State Park, 2.5 miles north of Salmon Creek, just south of Portugese Beach. Comment
  UCD51972  Agrostis densiflora P. B. Kennedy Date Unknown s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC126968  Agrostis exarata A. A. Heller 1902-6-27 5779 Sonoma West of Windsor near Russian River. Comment
  RSA129591  Agrostis exarata H. S. Yates 1937-5-31 6565 Sonoma 1 1/2 miles N.W. of Petrified Forest, Calistoga quadrangle 335 Comment
  UCD148474  Agrostis exarata Peter Rubtzoff 1964-8-20 5461 Sonoma Americano Creek area, along Petaluma-Valley Ford road near Bloomfield. 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
  UCD52075  Agrostis exarata R. Tofsrud 1941-7-1 s.n. Sonoma near Kenwood. Comment
  UCR244656  Agrostis exarata Peter Rubtzoff 1967-8-22 5855 Sonoma Southeast of lower Salmon Creek Marsh 4 Comment
  UCD38653  Agrostis exarata Beecher Crampton 1956-6-26 3619 Sonoma 8.5 miles northwest of Calistoga. Comment
  UCD52238  Agrostis exarata var. pacifica Beecher Crampton 1957-7-22 4361 Sonoma along State Hwy. 1, 8.0 miles north of Stewart's Point. Comment
  UCD52239  Agrostis exarata var. pacifica Beecher Crampton 1955-7-15 2915 Sonoma 6 miles west of Forest Hill. Comment
  UCD52692  Agrostis hallii Freed W. Hoffman 1941-6-20 2093 Sonoma near Camp Meeker, Oregon Canyon. Comment
  SEINET197664  Agrostis microphylla Leo Koch 1940-4-22 837 Sonoma Sulfur Creek Geysers: grassy hills above Comment
  SEINET4341234  Agrostis oregonensis A. A. Heller 1902-6-26 s.n. Sonoma Along Sonoma creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC138923  Agrostis pallens G. DeNevers 1981-5-30 1421 Sonoma Pepperwood Ranch. West facing slope above the Garrison Gate. Comment
  CAS-BOT-BC138925  Agrostis pallens G. DeNevers 1981-6-18 1574 Sonoma Pepperwood Ranch. In Hansel's grazed Oak Woodland. Comment
  UCD53178  Agrostis pallens P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC138911  Agrostis pallens 1947-5-12 11762 Sonoma On Hood Mountain along horse trail. 426 Comment
  UCD55781  Aira caryophyllea Chris Bowen 1974-5-19 136 Sonoma Unit 24 Owners' Map. Sea Ranch. Near Pacific Reach. Near State Highway 1. Comment
  UCD55770  Aira caryophyllea P. B. Kennedy 1929-5-24 s.n. Sonoma Clover Hill, between Plantation and Black Point. Comment
  SEINET3917482  Aira praecox Fred W. Hoffman 1944-5-22 1992 Sonoma Cruz Ranch, Sonoma Coast near shore.; 0 Comment
  CAS-BOT-BC445338  Alisma lanceolatum Peter Rubtzoff 1955-7-16 1959 Sonoma Bennett Mtn. Lake. Comment
  UCD137919  Alisma lanceolatum Peter Rubtzoff 1956-9-11 2845 Sonoma Vacation Beach, 1.5 miles below Guerneville. Comment
  CAS-BOT-BC164376  Alisma triviale Peter Rubtzoff 1965-6-20 5560 Sonoma Petaluma Creek, 4 miles northwest of Petaluma (on Stoney Point Road) Comment
  CAS-BOT-BC445473  Alisma triviale Volney Rattan 1879-1-1 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC445475  Alisma triviale Peter Rubtzoff 1980-8-23 9619 Sonoma Marin-Sonoma county line. San Antonio Creek on east side of Hwy. 101 crossing. On Marin County side of the creek. Comment
  CAS-BOT-BC445477  Alisma triviale Walter Knight; Irja Knight 1965-9-12 1187 Sonoma Newanga Road, Santa Rosa. Comment
  RSA94453  Alisma triviale Peter Rubtzoff 1951-7-28 565 Sonoma Pitkin Marsh, near Forestville; Lower part of the Upper Marsh. Comment
  CAS-BOT-BC462383  Allium amplectens Milo S. Baker 1927-6-19 2211 a Sonoma Macartney Woods Comment
  CAS-BOT-BC462385  Allium amplectens Peter Rubtzoff 1963-6-18 5182 Sonoma Bennett Mt. Lake Comment
  CAS-BOT-BC462387  Allium amplectens R. C. Barneby 1954-4-30 11226 Sonoma S of Schellville 100 Comment
  CAS-BOT-BC462389  Allium amplectens Milo S. Baker 1934-4-28 7754 Sonoma Jensen ranch. West of Dry Creek Comment
  SDSU11569  Allium dichlamydeum D. F. Howe 1963-7-2 3716 Sonoma Seabluff 4.2 miles north of Junction with #12 on #1 Comment
  SEINET7067339  Allium parryi A. G. Vestal 1947-5-16 s.n. Sonoma About 4.5 miles east of Windsor. Coordinate datum: NAD27. UTM Zone 10, 522900mE, 4266529mN. Comment
  CAS-BOT-BC474310  Allium unifolium Peter Rubtzoff 1958-5-10 3646 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Road) Comment
  CAS-BOT-BC474312  Allium unifolium H. C. Cantelow 1934-4-29 492 Sonoma Dry Creek nr Healdsburg Comment
  CAS-BOT-BC371473  Allium vineale Greg de Nevers 1994-6-29 10527 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On the road below Red Corral. 400 Comment
  CAS-BOT-BC169371  Alnus rubra Mary P. Wells; John Madison; Mary Rhyne 1985-11-4 702 Sonoma ca 1/3 mile S of Gualala River at edge of forest Comment
  CAS-BOT-BC138003  Alopecurus geniculatus Peter Rubtzoff 1959-6-6 4090 Sonoma Willow Creek Marsh. Comment
  UCD55812  Alopecurus pratensis Mary M. Hektner 1975-4-30 191 Sonoma near State Highway 1, Sea Ranch, just below Sea Ranch Association Office parking lot, Unit 36 Owners' Map . Comment
  SEINET10511202  Alopecurus saccatus A. Arthur Heller 1902-6-10 Heller 5685 Sonoma Santa Rosa. Comment
  RSA800608  Amaranthus Peter Rubtzoff 1973-8-29 7284 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA234560  Amaranthus albus Peter Rubtzoff 1958-8-9 3849 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  RSA90495  Amaranthus blitoides Milo S. Baker 1954-09 13035 Sonoma Rotherts Garden, Maplewood Comment
  RSA105447  Amaranthus powellii Leo Koch 1938-10-20 324 Sonoma S.R.J.C. campus field along Highway 101, Santa Rosa Comment
  POM161247  Ambrosia chamissonis var. chamissonis Rimo Bacigalupi 1928-6-18 1899 Sonoma Beach at mouth of Salmon Creek, 2 miles N of Bodega Bay. Comment
  RSA29215  Ambrosia chamissonis var. chamissonis E. K. Balls 1953-10-9 18595 Sonoma South end of Doran Park, Bodega Bay, Hwy 1 3 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
  CAS-BOT-BC135666  Amelanchier utahensis A. A. Heller 1903-4-24 6617 Sonoma Woods near Cazadero Comment
  CAS-BOT-BC136751  Amelanchier utahensis H. E. McMinn 1922-6-1 s.n. Sonoma Along Petrified Forest Comment
  UCR279886  Ammannia robusta Peter Rubtzoff 1972-8-26 6860 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC137882  Ammophila arenaria W. M. Hiesey 1945-9-21 551 a Sonoma Bodega sand dunes. Comment
  SJSU9477  Amorpha californica W. G. Iltis 1981-5-24 Sonoma Hupel Ranch, Porter Cr Rd near Mark West Rd Comment
  CAS-BOT-BC180633  Amorpha californica var. californica Walter Knight; Irja Knight; Dr. Steve Edwards 1985-9-9 5249 Sonoma Norrbom Road, near Sonoma 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
  UCD104617  Amorpha californica var. napensis J. M. Tucker 1977-6-16 4397 Sonoma On upper Barnes Creek, in southern part of Shurtleff Ranch off Chalk Hill Road to the east, ca. 4 miles (airline) northeast of East Windsor (or ca. 10 miles, airline, north-northwest of Santa Rosa). 152 Comment
  RSA0089717  Amsinckia intermedia L. S. Rose 1952-4-18 62027 Sonoma Petaluma. 6 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
  POM188278  Andropogon glomeratus Marcus E. Jones 1931-7-5 92909 Sonoma The Geysers. Comment
  HSC71420  Angelica californica J. M. DiTomaso 1980-7-8 1738 Sonoma Summit of road between Glen Ellen and Oakville 457 Comment
  HSC71481  Angelica californica J. M. DiTomaso 1980-6-13 1596 Sonoma 4900 Trinity Rd., between Glen Ellen and Oakville Comment
  POM188472  Angelica californica Marcus E. Jones 1931-7-5 29050 Sonoma Cloverdale. Comment
  RSA296042  Angelica californica J. M. DiTomaso 1980-6-13 1599 Sonoma Trinity Rd. between Glen Ellen and Oakville 1494 Comment
  SD109160  Angelica californica Joseph M. DiTomaso 1980-6-13 1592 Sonoma 4900 Trinity Road, between Glen Ellen and Oakville Comment
  CAS-BOT-BC221434  Angelica hendersonii David D. Keck; J. Clausen 1935-7-15 3373 Sonoma 1 mi. north of Salmon Creek Comment
  CDA38219  Angelica tomentosa A. A. Heller 1902-6-26 s.n. Sonoma Northwestern; Inner North Coast Ranges region; Along Sonoma Creek, at the foot of Mt. Hood. 0 Comment
  CAS-BOT-BC271432  Anisocarpus madioides G. DeNevers 1981-6-6 1463 Sonoma Woodland on N slope of Telegraph Hill, Pepperwood Ranch Comment
  UCD129047  Anthemis cotula Frederica Bowcutt 1994-6-24 1890 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. Vista Trail about 1/4 way from bald Mountain Trail to Headwaters Trail. 554 Comment
  HSC8926  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma Along Hwy. 101, N of Windsor Comment
  UC971675  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma n of Windsor (along Highway 101); Highway 101 Comment
  UCD56148  Anthoxanthum aristatum R. Tofsrud 1948-5-1 s.n. Sonoma West of Windsor. Comment
  UCD56154  Anthoxanthum aristatum Leo Koch 1940-4-22 841 Sonoma along Highway 101, north of Windsor. Comment
  SEINET7296733 Image available Anthoxanthum aristatum Leo Koch 1940-1 841 Sonoma along Highway 101, north of Windsor. Comment
  SEINET8718117 Image available Anthoxanthum aristatum Leo Koch 1940-1 841 Sonoma Along Highway 101, north of Windsor. Comment
  CAS-BOT-BC280666  Anthoxanthum occidentale K. Wagnon 1939-4-10 165 Sonoma About 1/2 mile south of Jonive Grammar School, six miles west of Sebastopol Comment
  CAS-BOT-BC137689  Anthoxanthum odoratum Peter Rubtzoff 1955-5-14 1849 Sonoma Duncans Mills Marsh. Around the eastern border of the Marsh. Comment
  RSA129297  Anthoxanthum odoratum H. S. Yates 1937-6-6 6583 Sonoma 1 mile E. of Duncan Mills 91 Comment
  SDSU737  Anthoxanthum odoratum D. F. Howe 1963-7-3 3594 Sonoma 20 miles north of junction of Highway 12 and Highway 1 Comment
Read comments Oct 11 2011
  UCD151205  Anthoxanthum odoratum James A. Neilson Jr. 1974-7-10 2819 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  UCD160312  Anthriscus caucalis James A. Neilson Jr. 1975-5-23 3212 Sonoma Truit Creek at Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  UCD161271  Anthriscus caucalis James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3700 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
  UCR254874  Antirrhinum vexillocalyculatum Peter Rubtzoff 1964-6-6 5355 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg 61 Comment
  JEPS78899  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Edward Lee 1936-6-8 2212 Sonoma Bohemian Grove; Trail 3A (North Ridge to Smith Creek) Comment
  CAS-BOT-BC237924  Antirrhinum virga W. W. Carruth 1901-6-1 s.n. Sonoma Near Cazadero Comment
  OBI49250  Antirrhinum virga Michener & Bioletti, Bioletti 2005-3-7 s.n. Sonoma Hoods Peak [illegible] Comment
  POM14615  Antirrhinum virga Mcluner, Bioletti 1893-06 s.n. Sonoma Hood's Peak Comment
  UCR255744  Apiastrum angustifolium Greg de Nevers 1997-4-16 10934 Sonoma North Coast Range, Cavedale Road 152 Comment
  UC465565  Aquilegia Milo S. Baker 1903-10-1 Sonoma along grade to Clayton Place Hood Mt. Comment
  UC1300971  Aquilegia formosa Helen K. Sharsmith 1963-5-25 5491 Sonoma e Occidental (on Coleman Valley rd); San Francisco Bay region Comment
  UC1073294  Arabis blepharophylla George B. Rossbach 1955-3-19 293 Sonoma n and highest hill Bodega Head 81 Comment
  POM367169  Arbutus menziesii Christopher Davidson 1977-6-20 6014 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  RSA629213  Arctostaphylos Jon E. Keeley 1993-9-11 24794 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388332  Arctostaphylos Freed W. Hoffman 1947-2-28 764 Sonoma near Healdsburg (headwaters of creek (which is a branch of Mill Creek)); North Coast Ranges, Wild Hog Ridge, Palmer Creek Comment
  CAS-BOT-BC24078  Arctostaphylos bakeri Walter Knight; Irja Knight 1985-12-29 6378 Sonoma Harrison Grade 213 Comment
  CAS-BOT-BC24082  Arctostaphylos bakeri Lewis S. Rose 1971-4-30 71024 Sonoma 2 mi. E of Occidental 182 Comment
  CAS-BOT-BC25322  Arctostaphylos bakeri Gladys L. Smith 1977-3-30 4652 Sonoma Summit area of Harrison Grade, serpentine outcrop 457 Comment
  CHSC67658  Arctostaphylos bakeri James D. Jokerst; Virginia Getz 1988-3-16 3049 Sonoma Healdsburg near water reservoir across highway from Simi Winery. Comment
  UC549710  Arctostaphylos bakeri J. E. Adams 1935-3-1 1026 Sonoma 2 mi e Occidental Comment
  UC909852  Arctostaphylos bakeri J. E. Adams 1935-3-1 1027 Sonoma 2 mi w Occidental Comment
  JEPS79448  Arctostaphylos bakeri subsp. bakeri Edward Lee with W. A. Setchell 1936-6-7 2190 Sonoma Bohemian Grove , South ridge fire trail (South ridge fire trail) Comment
  RSA622706  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24696 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA622708  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24708 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  UCD59423  Arctostaphylos bakeri subsp. bakeri Roger Raiche 1983-9-20 RR 30723 Sonoma Graton Road near intersection with Tanuda Road (east of Occidental). 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
  RSA622722  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24769 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  POM367246  Arctostaphylos canescens subsp. canescens L. S. Rose 1949-3-27 49017 Sonoma 3 mi. east of Beltane. 457 Comment
  UC1309665  Arctostaphylos canescens subsp. canescens A. E. Wieslander 1939-3-18 872 Sonoma head of Hooker Canyon Sonoma Quadrangle 487 Comment
  CAS-BOT-BC23898  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1933-4-2 10945 Sonoma Rincon Ridge, near Santa Rosa Comment
  POM367248  Arctostaphylos canescens subsp. sonomensis L. S. Rose 1948-1-17 48002 Sonoma Rincon Ridge, east of Sonoma. 152 Comment
  RSA18973  Arctostaphylos canescens subsp. sonomensis J. T. Howell 1937-4-11 12894 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  UC1120077  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1575 A Sonoma 3/4 mi sw County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  UC1309670  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1575 A Sonoma 3/4 mi sw County Farm; Santa Rosa Quadrangle, Rincon Ridge 152 Comment
  UC876540  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1933-3-18 7331 Sonoma 2 mi ne Santa Rosa; Rincon Ridge Comment
  SEINET11998365  Arctostaphylos canescens var. sonomensis W. Knight, Knight, I.; Wells, P. V. 1985-1 6376 Sonoma Santa Rosa, Rincon Ridge, Montecito Drive & Rockridge Road, Finley property 122 Comment
  CAS-BOT-BC23601  Arctostaphylos columbiana Carl B. Wolf 1927-9-2 1343 Sonoma 2 miles south of Anchor Cove. Comment
  CAS-BOT-BC23604  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11743 Sonoma Between Fort Ross and Stewart's Point Comment
  CAS-BOT-BC23605  Arctostaphylos columbiana John Thomas Howell 1934-3-3 11744 Sonoma Between Fort Ross and Stewart's Point 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
  UC549638  Arctostaphylos columbiana J. E. Adams 1935-3-28 735 Sonoma 10 mi n Fort Ross Comment
  SEINET11984905  Arctostaphylos columbiana R. Gankin, Hildreth, W. R.; Milam, K. 1965-1 496 Sonoma 0.1 mi N of Timber Cove, E of CA 1 Comment
  CAS-BOT-BC24979  Arctostaphylos densiflora Walter Knight; Irja Knight; Elizabeth McClintock; J. Sigg 1981-3-25 4037 Sonoma Originally collected in Vine Hill District, near Sebastopol. Comment
  CAS-BOT-BC24997  Arctostaphylos densiflora J. Clausen 1933-3-26 744 Sonoma Vine Hill Schoolhouse, 10 mi. W of Santa Rosa, along road. Comment
  CAS-BOT-BC25018  Arctostaphylos densiflora Milo S. Baker 1931-3-7 s.n. Sonoma Roadside near Vine Hill Schoolhouse. Comment
  UC549450  Arctostaphylos densiflora J. E. Adams 1934-3-28 723 Sonoma Vine Hill School Sta. Rosa Comment
  UCD50801  Arctostaphylos densiflora Charles B. Heiser Jr. 1946-5-19 1745 Sonoma Vine Hill, W of Santa Rosa Comment
  JEPS98887  Arctostaphylos glandulosa subsp. cushingiana James Roof 1967-3-19 Sonoma W of Healdsburg (Dorman Canyon Road); Dry Creek watershed Comment
  UC1120216  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-3-8 1572 Sonoma 1 1/2 mi n County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  UC473583  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-3-14 5779 Sonoma Vine Hill District Comment
  CAS-BOT-BC39107  Arctostaphylos hispidula Walter Knight; Irja Knight; Stephen W. Edwards 1985-1-27 5174 Sonoma 7.7 miles from west end of Sonoma Lake bridge on Rockpile Road. Comment
  JEPS82522  Arctostaphylos hispidula Roger Raiche 1984-2-26 40044 Sonoma Rockpile Road about 9.1 mi n origin at Skaggs Spring-Stewarts Point Road 502 Comment
  UCD50864  Arctostaphylos hispidula Roger Raiche 1984-2-26 RR 40044 Sonoma ca. 9.1 miles north of origin of Skaggs Springs-Stewarts Point Road on Rockpile Road. 502 Comment
  CDA12042  Arctostaphylos manzanita G. F. Hrusa 1990-1-2 7347 Sonoma North Coast Biodiversity Arena; Hogback Mtn., approx. 4 km. NE of Sonoma. Comment
  UCD162167  Arctostaphylos manzanita D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1520 Sonoma Hooker Creek watershed. 520 Comment
  UCD52166  Arctostaphylos manzanita Beecher Crampton 1955-6-17 2978 Sonoma 2.4 miles south of Monte Rio; road to Camp Meeker. Comment
  SEINET11991024  Arctostaphylos manzanita W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4571 Sonoma The Cedars, near Cazadero 274 Comment
  SEINET11993017  Arctostaphylos manzanita W. Knight, Knight, I.; Edwards, S. W. 1985-1 5171 Sonoma couple of mi down Kelly Road W of Rockpile Road junction 488 Comment
  SEINET11995488  Arctostaphylos manzanita W. Knight, Knight, I.; Edwards, S. 1987-1 6336 Sonoma Pepperwood, Devil's Kitchen 229 Comment
  SEINET11977793  Arctostaphylos manzanita subsp. bakeri L. S. Rose 1934-1 34032 Sonoma 2 M. E. of Occidental Comment
  SEINET11992144  Arctostaphylos manzanita subsp. bakeri F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -167 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  CAS-BOT-BC38907  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11305 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38922  Arctostaphylos manzanita subsp. glaucescens P. V. Wells; Walter Knight; Irja Knight 1986-1-10 5223 Sonoma Next to Carlton Spridgeon's mailbox on Rockridge Lane, Rincon Ridge, Santa Rosa. Comment
  OBI70632  Arctostaphylos manzanita subsp. glaucescens Larry E. Brown 1997-8-12 20797 Sonoma E of hwy 101 off of village ofAsti S of Cloverdale Comment
  SEINET11993368  Arctostaphylos manzanita subsp. glaucescens P. V. Wells, Knight, W.; Knight, I. 1986-1 5223 Sonoma next to Carlton Spridgeon's mailbox on Rockridge Lane, Rincon Ridge, Santa Rosa Comment
  CAS-BOT-BC38710  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 13 Sonoma Vine Hill region on College Avenue highway, near Santa Rosa Comment
  CAS-BOT-BC38741  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1964-11-15 788 Sonoma Hood's Peak, on road below Johnson Lake. Comment
  CAS-BOT-BC38744  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1930-4-1 5044 Sonoma Vine Hill Region Comment
  CAS-BOT-BC38745  Arctostaphylos manzanita subsp. manzanita Milo S. Baker 1929-2-22 3398 b Sonoma Near Vine Hill school house Comment
  CAS-BOT-BC38749  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-28 727 Sonoma 4 or 5 mi from Seaview, Cazadera Rd. Comment
  RSA70838  Arctostaphylos manzanita subsp. manzanita J. T. Howell 1931-3-14 5773 Sonoma Vine Hill District Comment
  SBBG60025  Arctostaphylos manzanita subsp. manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 mi W of Santa Rosa Comment
  UC1043526  Arctostaphylos manzanita subsp. manzanita P. C. Everett and E. K. Balls 1954-10-20 20377 Sonoma 4 mi sw Lake-Sonoma Co. line (nw to w slope Mt. St. Helena) 640 Comment
  UC535022  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 9 Sonoma residence of M. S. Baker Mt. Hood (w base of mt.) Comment
  SEINET11994911  Arctostaphylos manzanita subsp. manzanita W. Knight, Knight, I. 1987-1 6084 Sonoma Pepperwood Preserve, Garrison Canyon 122 Comment
  UC909864  Arctostaphylos nummularia J. E. Adams 1934-3-28 742 Sonoma s McNamees Store Comment
  CAS-BOT-BC47301  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 11 Sonoma Spring Mountain Rd., about 8 mi. e. of Santa Rosa. Comment
  JEPS78746  Arctostaphylos stanfordiana Edward Lee 1936-5-3 2017 Sonoma 13.7 mi (by road) from Santa Rosa (Sonoma-Santa Rosa Road) Comment
  JEPS98849  Arctostaphylos stanfordiana James B. Roof 1963-2-28 Sonoma Mt. St. Helena 1219 Comment
  RSA636823  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24744 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  SEINET2028696 Image available Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 Sonoma Rincon Ridge, near Santa Rosa Comment
  UC1784231  Arctostaphylos stanfordiana Ethel Crum 1930-3-23 540 Sonoma Mt. St. Helena Comment
  UC424812  Arctostaphylos stanfordiana Milo S. Baker 1930-2-21 3878 a Sonoma Rincon Ridge Comment
  UCD53847  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 686 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road; 3.1 miles east of junction with State Highway 12. Comment
  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
  SFV8789  Arctostaphylos stanfordiana S. E. Wheaton 1966-3-27 28 Sonoma On low ridge overlooking Hooker Canyon near Cavedale Road. Comment
  JEPS95231  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  POM209919  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A- 6 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  RSA96695  Arctostaphylos stanfordiana subsp. stanfordiana P. C. Everett, E. K. Balls, George B. Everett 1954-10-20 20376 Sonoma 4 mi. s.w. of Lake-Sonoma Co. line, n.w. to w. slope Mt. St. Helena. 640 Comment
  UC549512  Arctostaphylos uva-ursi J. E. Adams 1934-6-9 825 Sonoma McNamees Store Comment
  UC549531  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 747 Sonoma 1 mi s McNamees Store Comment
  HSC100101  Arctostaphylos viscida J. P. Smith, & J. O. Sawyer 2010-4-26 12720 Sonoma 641 Comment
  RSA202099  Arctostaphylos viscida Freed W. Hoffman 1947-9-29 513 Sonoma Layton Mine, Austin Creek. Comment
  SDSU2845  Arctostaphylos viscida D. F. Howe 1972-2-20 4805 Sonoma Trinity Road, Mt. Mood Range. Note: Label states 5,800 feet altitude, beyond maximum for county, changed to 2,800 feet. 878 Comment
  UCD52617  Arctostaphylos viscida Stephen W. Edwards 1982-5-30 s.n. Sonoma Comment
  RSA364239  Arctostaphylos viscida subsp. pulchella Walter Knight, Irja Knight, Steve Edwards, B. K. Knight 1986-4-20 5363 Sonoma Along trail to Sulphur Peak, east of Geyserville. 976 Comment
  UCD59398  Arctostaphylos viscida subsp. pulchella Walter and Irja Knight; Dr. Steve Edwards 1986-4-20 5364 Sonoma Along trail to Sulphur Peak, east of Geyserville. 975 Comment
  CAS-BOT-BC47464  Arctostaphylos viscida subsp. viscida Irja Knight; Walter Knight; Tiffany Knight; Dr. Steve Edwards 1985-7-21 5210 Sonoma Red Hill on Pine Flat Road 653 Comment
  CAS-BOT-BC47465  Arctostaphylos viscida subsp. viscida John Thomas Howell 1933-4-2 10939 Sonoma Sonoma Creek Canyon Comment
  CAS-BOT-BC47469  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
  SD99366  Aristolochia californica Christopher Davidson 1977-6-17 5975 Sonoma Sate Hwy #12, ca. 3 miles west of Guerneville, along Russian River. 14 Comment
Read comments Mar 18 2012
  SEINET7067267  Armeria maritima subsp. californica A. G. Vestal 1947-5-13 s.n. Sonoma North of Salmon Creek. Coordinate datum: NAD27. UTM 10, 494344mE, 4245376mN. Comment
  UCSB50231  Armeria maritima subsp. californica Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 18 Comment
  CAS-BOT-BC361354  Arnica discoidea Greg de Nevers 1997-4-24 10956 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 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
  CAS-BOT-BC90488  Artemisia douglasiana G. DeNevers 1981-9-12 1840 Sonoma Pepperwood Ranch. In Leslie Creek, near its confluence with Mark West Creek Comment
  CAS-BOT-BC400606  Asarum caudatum Peter Rubtzoff 1951-11-24 839 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  RSA416095  Asarum caudatum Christopher Davidson 1977-6-20 6030 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  UC1299580  Asclepias solanoana Freed W. Hoffman 1947-5-30 549 Sonoma Layton Mine; North Coast Ranges, Austin Creek Comment
  UC42400  Aspidotis californica F. T. Bioletti 1892-5-15 Sonoma Hood's Peak Comment
  CAS-BOT-BC68786  Aspidotis densa James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers. Comment
  CDA10240  Aster chilensis P. Robinson 1985-8-1 s.n. Sonoma Guerneville, Sweetwater Springs Road. Comment
  CAS-BOT-BC376327  Asteraceae Greg de Nevers 1994-4-1 10517 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Cresta horse pasture 400 Comment
  CAS-BOT-BC180464  Astragalus breweri Robert F. Hoover 1939-4-18 4038 Sonoma Occidental Comment
  UC353936  Astragalus breweri Milo S. Baker 1928-4-18 2975 b Sonoma Hiway 1/2 mi n Occidental; n of Occidental Comment
  UCD168059  Astragalus breweri James Neilson 1977-4-24 3885 Sonoma crest of Mayacmas Mountains. (Exact location unknown. Neilson may have been on the south side of Pine Mountain on this date.) Comment
  CAS-BOT-BC178662  Astragalus claranus John Thomas Howell 1931-4-19 6431 Sonoma Grassy meadow, 12.5 miles from St. Helena on Spring Mountain Road to Santa Rosa Comment
  CAS-BOT-BC186820  Astragalus gambelianus A. A. Heller; H. E. Brown 1902-4-4 5214 Sonoma Hills East of Santa Rosa Comment
  SEINET7067264  Astragalus gambelianus A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  UC13433  Astragalus gambelianus E. L. Greene 1892-4-20 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC186822  Astragalus gambelianus John Thomas Howell 1931-4-19 6433 Sonoma Spring Mountain Road, 7.5 miles from St. Helena Comment
  CAS-BOT-BC193345  Astragalus tener var. tener J. W. Congdon 1880-3-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC66009  Athyrium filix-femina Greg de Nevers 1996-9-1 10870 Sonoma Ida Clayton Road over Mt. St. Helena 914 Comment
  RSA0018578  Atriplex Peter Rubtzoff 1958-9-6 3974 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  UCD97497  Atriplex leucophylla P. G. Connors 1991-6-17 162 Sonoma Bodega Marine Laboratory. Comment
  UC7081  Atriplex triangularis Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  UCD163888  Avena Peter Rubtzoff 1980-5-26 9450 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  CAS-BOT-BC146136  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa Creek. Comment
  CAS-BOT-BC68339  Azolla filiculoides Peter Rubtzoff 1962-10-9 5113 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC98646  Baccharis douglasii A. A. Heller 1902-8-23 6056 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  RSA783716  Baccharis douglasii Peter Rubtzoff 1955-9-24 2147 Sonoma Duncan Mills Marsh Comment
  JEPS81900  Baccharis glutinosa Roger Raiche 1982-8-22 20701 Sonoma canyon running through Vine Hill Vine Hill 213 Comment
Read comments Oct 17 2013
  UCD148379  Baccharis glutinosa Peter Rubtzoff 1955-9-24 2147 Sonoma Duncans Mills Marsh. Comment
  POM37533  Baccharis pilularis Marcus E. Jones 1902-7-18 s.n. Sonoma Duncans Mills Comment
  SD39655  Baccharis pilularis Edith A. Purer 1932-7-27 Sonoma Sand dunes Comment
  LA203024  Baccharis pilularis subsp. pilularis C. B. Wolf; E. R. Johnson 1934-10-13 6181 Sonoma 2.4 mi. N of mouth of Russian River 60 Comment
  CAS-BOT-BC173601  Barbarea Peter Rubtzoff 1989-4-30 9988 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC320536  Beckmannia Peter Rubtzoff 1970-6-14 6263 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  RSA227241  Beckmannia syzigachne Peter Rubtzoff 1958-5-10 3645 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road. Comment
  SBBG57110  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennet Valley, SE of Santa Rosa Comment
  UCD56776  Beckmannia syzigachne G. F. Hrusa; R. Gross 1996-6-30 13060 Sonoma 2 mi. SW of Calistoga. Diamond Mountain Road. 700 Comment
  CDA6862  Bellis perennis G. D. Barbe 1982-5-27 3616 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Skaggs Spring Road. Comment
  RSA227209  Berula erecta Peter Rubtzoff 1964-8-26 5475 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 Comment
  CAS-BOT-BC290559  Bidens frondosa Peter Rubtzoff 1958-8-17 3891 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  CAS-BOT-BC300480  Bidens frondosa Peter Rubtzoff 1958-7-20 3785 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road) Comment
  UCR248951  Bidens laevis Peter Rubtzoff 1967-9-16 5882 Sonoma Pitkin Marsh, near Forestville. Southern part of Upper Marsh 38 Comment
  CAS-BOT-BC290566  Bidens laevis Peter Rubtzoff 1954-11-18 1764 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC100254  Blennosperma bakeri John Thomas Howell 1949-4-6 25303 Sonoma Low field southwest of Sonoma. Type locality. Comment
  JEPS19365  Blennosperma bakeri Milo S. Baker 1946-3-28 11307 Sonoma western outskirts of Sonoma Comment
  UCR51759  Blennosperma bakeri J. T. Howell 1949-4-6 s.n. Sonoma North Coast Range, southwest of Sonoma Comment
Read comments Dec 17 2019
  NY31010  Blennosperma californicum E. Samuels 106 Sonoma Comment
  SEINET10768038  Boechera breweri subsp. breweri Donald Loarie 2014-4-20 Loarie s.n. Sonoma S-facing rock wall on a tributary just upstream of the confluence with Sausal Creek, but before reaching the Pine Flat road culvert and the nearby pumping station. Comment
  CAS-BOT-BC478115  Boisduvalia Peter Rubtzoff 1986-9-28 9745 Sonoma Russian River at Forest Hills, 5.5. miles east of Guerneville Comment
  CAS-BOT-BC154952  Boisduvalia densiflora Peter Rubtzoff 1954-8-3 1638 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC75483  Bolboschoenus glaucus Mary P. Wells 1987-5-20 s.n. Sonoma 0.6 mile north of Gravenstein Highway on Llano Road - under bridge. Comment
  CAS-BOT-BC31363  Bolboschoenus maritimus Gregory Clark de Nevers; S. Castagnoli 1981-8-2 1791 Sonoma On sand bar in Mark West Creek, at confluence with Leslie Creek. Comment
  CAS-BOT-BC7639  Bolboschoenus maritimus Verne Grant; Herbert L. Mason 1946-8-28 13077 Sonoma Mouth of Tolay Creek. Comment
  CAS-BOT-BC290549  Bolboschoenus maritimus subsp. paludosus Peter Rubtzoff 1963-8-17 5221 Sonoma Salt marsh near Petaluma River just east of Petaluma. 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
  CAS-BOT-BC368070  Boykinia Greg de Nevers 1998-5-31 11268 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Mark West Creek below Michele Lane. 400 Comment
  UCR256116  Boykinia elata Greg de Nevers 1996-6-10 10830 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC496423  Boykinia occidentalis Merle Randall 1930-6-8 Sonoma Cazadero Comment
  UC964743  Boykinia occidentalis R. F. Hoover 1942-7-6 5914 Sonoma canyon s Geysers; canyon s of the Geysers Comment
  UCD56890  Brachypodium phoenicoides P. G. Connors 1991-7-8 198 Sonoma Bodega Head and Dunes. Comment
  CAS-BOT-BC154992  Brassicaceae Peter Rubtzoff 1969-6-22 6100 Sonoma Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road Comment
  UC1010999  Briza maxima Virginia Bufford 1935-5-31 70 Sonoma Green Valley School Comment
  UCD57133  Briza maxima B. Crampton 1954-4-26 1792 Sonoma U. S. Hwy. 101. 2 miles north of Geyserville. Comment
  UCD57172  Briza maxima Charles B. Heiser Jr. 1946-5-19 1739 a Sonoma Vine Hill, W of Santa Rosa Comment
  SEINET10861606  Briza maxima Jon Ricketson, Deanna Vanderbur 1985-7-3 Ricketson 2619 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
  SEINET5717720 Image available Briza maxima Anthony Tin Yan Tse 1972-1 3 -4 Sonoma 2 miles south of Jenner of Highway 1, Sonoma County, California.; Jenner Comment
  UCD57140  Briza maxima Collector unknown 1941-5-1 Sonoma Montacello Ave. Santa Rosa? Comment
  UC1130932  Briza minor H. S. Yates 1934-4-21 3824 Sonoma near Duncan's Mill; Duncans Mill Quadrangle Comment
  RSA22248  Briza minor Leo Koch 1938-4-21 82 Sonoma Hayfield along Redwood Highway about four miles north of Santa Rosa Comment
  UC768624  Brodiaea elegans subsp. elegans R. F. Hoover 1938-6-14 3606 Sonoma 2 mi se Healdsburg Comment
  JEPS5696  Brodiaea leptandra W. L. Jepson 1918-6-21 7621 Sonoma Calhoun Ranch Windsor 30 Comment
  SEINET206246  Brodiaea stellaris Rimo Bacigalupi, L. R. Heckard 1961-6-9 7746 Sonoma Along Stoeti Lane about 0.5 mile northwest of its junction with Harrison Grade road and about 0.75 mile northwest of O 229 Comment
  UCD77158  Brodiaea stellaris Robert E. Preston 2005-6-11 2351 Sonoma Ca. 4 mi W of Occidental, along Coleman Valley Rd 314 Comment
  JEPS109575  Brodiaea terrestris subsp. terrestris Dean W. Taylor 1994-5-4 14210 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  JEPS79160  Brodiaea terrestris subsp. terrestris N. Harrison 1978-5-10 1571 Sonoma e end Cunningham Marsh (Blucher Creek drainage); Sebastopol, , Blucher Creek Comment
  UC119909  Brodiaea terrestris subsp. terrestris Katharine Brandegee 1905-6-8 Sonoma between Santa Rosa Sebastopol Comment
  CAS-BOT-BC486456  Brodiaea terrestris subsp. terrestris H. C. Cantelow 1941-6-7 s.n. Sonoma Open grassy hill top, 4.2 miles north of Jenner Comment
  CAS-BOT-BC486463  Brodiaea terrestris subsp. terrestris A. A. Heller 1940-5-10 15602 Sonoma Near the ocean north of Fort Ross. 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-BC486467  Brodiaea terrestris subsp. terrestris Mark Okada 1971-6-10 s.n. Sonoma Route ] , 3miles south of Gualala Comment
  CAS-BOT-BC486469  Brodiaea terrestris subsp. terrestris H. C. Cantelow 1936-5-3 1331 Sonoma Bet. Shellville and El Verano Comment
  CAS-BOT-BC487727  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1962-6-13 4907 Sonoma Freestone Marsh Comment
  CAS-BOT-BC487729  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1969-5-11 6041 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC311834  Bromus Peter Rubtzoff; Betty Lovell 1975-8-11 8315 Sonoma Kenwood Marsh. Comment
  CHSC100547  Bromus carinatus Beecher Crampton 1955-6-8 2831 Sonoma At Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  CAS-BOT-BC149051  Bromus carinatus var. carinatus Peter Rubtzoff 1952-5-31 1100 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC149091  Bromus carinatus var. carinatus Mary P. Wells 1981-8-2 s.n. Sonoma Between playground on Leeward Road and the sea. The Sea Ranch. Comment
  UC1010989  Bromus carinatus var. carinatus Virginia Bufford 1936-5-19 263 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  UCD60211  Bromus catharticus var. elatus Beecher Crampton 1957-7-11 4326 Sonoma Sonoma Coast State Park, along state Hwy. 1, 0.9 miles north of Salmon Creek. Comment
  UCD36635  Bromus commutatus Beecher Crampton 1955-6-8 2829 Sonoma Sonoma County, 6 miles northwest of Calistoga, along State Highway 128. Comment
  UC903718  Bromus diandrus Milo S. Baker 1947-5-5 11730 Sonoma Hood Mountain, near nw corner of M.S. Baker property, (East Grant line) Hood Mountain Comment
  UCR248893  Bromus diandrus Peter Rubtzoff, H. A. Froebe 1971-5-30 6459 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive 137 Comment
  UCD59473  Bromus diandrus David L. Morgan 1956-4-20 s.n. Sonoma 4 mi. W of Petaluma on 'D' St. Ext. Comment
  CAS-BOT-BC155203  Bromus hordeaceus Peter Rubtzoff 1958-5-10 3640 A Sonoma Lagunda de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC155205  Bromus hordeaceus Peter Rubtzoff 1960-5-15 4318 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC155207  Bromus hordeaceus David L. Morgan 1961-5-14 s.n. Sonoma Gold Ridge Road, 4 miles west of Sebastopol. Comment
  CAS-BOT-BC155209  Bromus hordeaceus A. A. Heller 1902-4-17 5325 Sonoma Santa Rosa. Comment
  UCD58617  Bromus hordeaceus Beecher Crampton 1959-6-16 5370 Sonoma 0.2 miles E of Occidental. Comment
  UCD58688  Bromus hordeaceus Beecher Crampton 1957-7-11 4338 Sonoma Bluffs just south of Portuguese Beach. Sonoma Coast State Park. 2.5 miles north of Salmon Creek. Comment
  UCD58689  Bromus hordeaceus Beecher Crampton 1956-3-13 3226 Sonoma Asti. Comment
  SDSU951  Bromus japonicus D. F. Howe 1972-5-2 4817 Sonoma Trail above Duncan Mills Pond Comment
  CAS-BOT-BC162391  Bromus laevipes G. DeNevers 1981-6-27 1705 Sonoma Pepperwood Ranch. Summit of Franz Valley Road. Comment
  JEPS77265  Bromus madritensis subsp. rubens Robert M. Lloyd 1963-4-24 2402 Sonoma 18.3 mi e of State Highwat 12 on road to Oakdale 243 Comment
  UC903719  Bromus mollis Milo S. Baker 1947-5-7 11741 Sonoma Hood Mountain near Grant Line; Hood Mountain 228 Comment
  UCD59060  Bromus orcuttianus Gerry North 1993-4 3 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 Goodspeed trailhead pullout. On bank edge above Sonoma Creek. 213 Comment
  CAS-BOT-BC161584  Bromus sterilis John Thomas Howell 1949-4-6 25305 Sonoma Along road southwest of Sonoma. Comment
  CAS-BOT-BC185376  Bromus vulgaris Roxana S. Ferris; Laura Lorraine 1961-6-14 13536 Sonoma Joy Road grade, 1.8 mile from junction with Bodega Highway. Comment
  CAS-BOT-BC185424  Bromus vulgaris Roxana S. Ferris; Laura Lorraine 1961-6-14 13536 Sonoma Joy Road grade, 1.8 mile from junction with Bodega Highway. Comment
  UCD60232  Bromus vulgaris B. Crampton 1955-6-17 2963 Sonoma 2 miles east of Fort Ross. Comment
  UC604140  Cakile maritima Baker 1938-5-6 8978 Sonoma at mouth of Salmon Creek Salmon Creek Comment
  CAS-BOT-BC36913  Cakile maritima var. maritima Walter Knight; Irja Knight 1963-8-13 138 Sonoma Horseshoe Cove. Comment
  UCR254889  Calamagrostis Peter Rubtzoff, Nancy Harrison 1978-6-11 9217 Sonoma Cunningham Marsh area, along northern tributary of Blucher Creek, c. 1 air mile WSW of Cunningham Station 38 Comment
  UCR254899  Calamagrostis Peter Rubtzoff 1967-8-22 5856 Sonoma Southeast of lower Salmon Creek Marsh 4 Comment
  CAS-BOT-BC185406  Calamagrostis bolanderi John Thomas Howell 1946-8-17 22877 Sonoma Cunningham Marsh. Comment
  CHSC80116  Calamagrostis bolanderi Colette Beaupre 2000-7-6 Sonoma Near Sea Ranch, on Gualala Redwoods, Inc. property, in portion of German Rancho, MDB and M. 182 Comment
  UCR254900  Calamagrostis crassiglumis Peter Rubtzoff 1966-5-29 5741 Sonoma Pitkin Marsh, near Forestville 38 Comment
  CLARK-A1528-4568  Calamagrostis nutkaensis John C. Roos 1950-7-22 4869 Sonoma Jenner 30-60 Comment
  RSA55254  Calamagrostis nutkaensis Timothy S. Ross 1938-7-7 2926 Sonoma Near Ft. Ross. Comment
  CAS-BOT-BC185116  Calamagrostis ophitidis Catherine Best 1957-5-16 4039 Sonoma Hot Springs Road, 3 miles southwest of Cloverdale. Comment
  UCD158814  Calandrinia breweri James A. Neilson Jr. 1974-4-17 3487 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  UC727779  Calendula arvensis Milo S. Baker 1946-4-2 11306 Sonoma a mi or so s of El Verano (along overflow channel just w of Sonoma Cr.) Comment
  UCR255723  Callitriche Greg de Nevers 1998-4-28 11214 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC293759  Callitriche heterophylla var. heterophylla Peter Rubtzoff 1961-5-24 4611 Sonoma Upper Stemple Creek Marsh. Comment
  CAS-BOT-BC293757  Callitriche marginata Peter Rubtzoff 1974-4-17 7370 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC293755  Callitriche palustris Peter Rubtzoff 1974-4-6 7351 Sonoma Kenwood Marsh. Comment
  RSA0035350  Callitriche verna Peter Rubtzoff 1974-4-6 7348 Sonoma Kenwood Marsh. Comment
  UCR25305  Callitriche verna John C. Roos 1957-7-2 6644 Sonoma Miller Ridge Comment
  JEPS128188  Calochortus amabilis Roger Raiche 2000-5-5 091 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  JEPS61627  Calochortus amabilis Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  UC496432  Calochortus amabilis Merle Randall 1930-6-11 Sonoma 2 mi from Cazadero (Christopher Ranch) 304 Comment
  UCR90866  Calochortus amabilis Kathy Harper, Dane Karr 1994-6-10 s.n. Sonoma North Coast Range, King Ridge Road along Big Austin Creek, north of Cazadero 122 Comment
  CAS-BOT-BC483291  Calochortus amabilis A. T. Graff 1925-5-20 s.n. Sonoma Trospers, Cazadero Comment
  SEINET12048678  Calochortus amabilis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -079 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12, ca 0.5 mi N on Cavedale Rd from jct 152 Comment
  SEINET6879027  Calochortus amabilis W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 7.8 miles south-southeast of Annapolis. Comment
  CAS-BOT-BC492643  Calochortus luteus Carl Purdy No date on label. s.n. Sonoma Sonoma Co Comment
  SEINET7042394  Calochortus luteus A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UCD139533  Calochortus luteus G. V. Morejohn 1954-5-23 30 Sonoma beside Highway 12, 3 miles north of Sonoma. Comment
  JEPS82300  Calochortus raichei Roger Raiche 1983-7-31 30571 Sonoma above Thompson Creek (s-facing slopes of Thompson Ridge); Austin Creek State Recreational Area, Thompson Ridge 243 Comment
  SEINET10859649 Image available Calochortus raichei Roger E. Raiche 1986-7-7 Raiche 60214 Sonoma N of Cazadero. The Cedars. Headwaters of Big Austin Creek, near Laton Mine. 840 Comment
  SD254491  Calochortus uniflorus Ann Howald, Christina Freeman 2015-4-13 3340 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, south shore, ca. 300 feet north of intersection Pig Flat and Marsh trails. 363 Comment
  CAS-BOT-BC496928  Calochortus vestae Greg de Nevers 1987-6-1 8186 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  RSA255487  Calycadenia multiglandulosa subsp. cephalotes Gerald D. Carr 1971-7-6 577 Sonoma Jct. of Facienda Lane and Occidental Road. Comment
  SEINET9343982  Calycadenia truncata Unknown 1993-10-2 11423 Sonoma Sonoma Comment
  UCD129583  Calycadenia truncata Frederica Bowcutt 1997-7-19 2190 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.5 air mile SSE of Red Mountain. Mid-slope on S facing side of Adobe Canyon along Vista Trail just E. of Vista Rock (prominent metamorphic rock out crop). 579 Comment
  CAS-BOT-BC272756  Calycadenia truncata subsp. truncata John Thomas Howell 1932-10-9 10812 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  CAS-BOT-BC90993  Calycanthus occidentalis Peter Rubtzoff 1980-5-26 9446 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CDA17200  Calycanthus occidentalis G. F. Hrusa, R. Gross, D. Gross 2003-11-11 16199 Sonoma North Coast Biodiversity Arena; Creekbed of Kellogg Cr., NW base of Mt. St. Helena. 536 Comment
  UC192556  Calycanthus occidentalis Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  UCD166583  Calycanthus occidentalis Dylan O. Burge 2016-8-20 2123 Sonoma Hooker Creek. 415 Comment
  CHSC27858  Calypso bulbosa Pauline kunst 1977-3-6 12 Sonoma Abundant, ca. 0.2 mi ne of jct of Camp Meeker Occidental Rd. and Sylvania Heights, Camp Meeker. 188 Comment
  OBI48779  Calyptridium quadripetalum L. LaPre 1986-5-31 s.n. Sonoma Socrates Mine, ca. 9 mi ENE of Geyserville ; 1/2 mi N of the mine 914 Comment
  HSC96671  Calystegia collina subsp. oxyphylla Thomas W. Nelson, Jane Nelson 2004-5-5 9198 Sonoma Along Pine Flat Rd. 2 mi. from jct. with Hwy. 128 136 Comment
  SBBG5769  Calystegia purpurata H. and M. Dearing 1939-5-14 3353 Sonoma Bodega State Park [Bodega Dunes State Beach] 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
  HSC16508  Camissonia ovata James Faro 1962-4-14 9 Sonoma Salt Point Ranch, about 5 mi. N of Fort Ross Comment
  SEINET10463921  Campanula californica P. Rubtzoff 1965-8-10 Rubtzoff 5588 Sonoma DUNCAN MILLS MARSH, EDGE OF FOREST BORDERING LOWER PORTION OF MARSH IN THE WEST, MOIST SHADED GROUND Comment
  SEINET10840067  Campanula californica Sutcliffe 1920-7-18 SUTCLIFFE s.n. Sonoma Annapolis Comment
  UCR23658  Campanula prenanthoides John C. Roos 1957-7-2 s.n. Sonoma Miller Ridge Comment
  SEINET10463220  Campanula prenanthoides Rowntree 1931-7-15 ROWNTREE s.n. Sonoma Stewart Peak, Skaggs Springs Road Comment
  CAS-BOT-BC37195  Capsella bursa-pastoris Walter Knight; Irja Knight 1963-10-6 490 Sonoma Petaluma. Jess Street. Comment
  UCD165158  Capsella bursa-pastoris Peter Rubtzoff 1974-5-19 7443 Sonoma Laguna de Santa Rosa east of Graton between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC37756  Cardamine californica Dorothy Scherer 1996-4-14 031 Sonoma Fort Ross Road ca 0.5 mile west of Seaview Road and ca 50 feet north. Fort Ross State Historic Park. 441 Comment
  CAS-BOT-BC37762  Cardamine californica Milo S. Baker 1924-4-27 Local 104 a-24 Sonoma Coopers Grove. Comment
  CAS-BOT-BC37777  Cardamine californica L. R. Abrams 1918-4-27 6910 Sonoma Independence School near Healdsburg. Comment
  CDA18771  Cardamine californica Boris Korotyaev 2000-3-28 s.n. Sonoma Northern California; Bodega Bay. 0 Comment
  JEPS53382  Cardamine californica Willis L. Jepson 1893-5-1 32 d Sonoma Knights Valley grade Napa River Basin, , on divide (on divide, Napa River Basin) Comment
  UC1057433  Cardamine californica var. californica G. Thomas Robbins 1937-3-25 1 Sonoma bank Sonoma Creek (Bennett Valley); , bank Sonoma Creek Comment
  UCD114519  Cardamine hirsuta John Thomas Howell 1946-3-31 21589 Sonoma Sonoma. Comment
  CAS-BOT-BC38036  Cardamine oligosperma G. DeNevers 1981-3-30 583 Sonoma Pepperwood Ranch. At Garrison House. Comment
  UC727778  Cardamine oligosperma Milo S. Baker Apr. 1946 11309 Sonoma Brookside Garden near Kenwood; Brookside Garden near Kenwood Comment
  JEPS128328  Cardamine pachystigma var. dissectifolia Roger Raiche 2010-2-7 006 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD85586  Carduus pycnocephalus Gerry North 1993-4 43 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. South of Hillside trail, at fork by water tank. 426 Comment
  CAS-BOT-BC281762  Carduus pycnocephalus G. DeNevers 1981-5-23 1251 Sonoma In Hansel's cow pasture 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
  CAS-BOT-BC281794  Carduus tenuiflorus S. Saufferer 1973-5-24 219 Sonoma Bodega Bay near the ocean Comment
  CAS-BOT-BC353416  Carex abrupta Peter Rubtzoff 1959-6-6 s.n. Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC18148  Carex athrostachya Peter Rubtzoff 1960-5-29 4426 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  UCR249039  Carex athrostachya Peter Rubtzoff 1974-6-2 7507 Sonoma Upper Green Valley Marsh Comment
  RSA0022355  Carex athrostachya Peter Rubtzoff 1970-6-14 6260 Sonoma On River Road about 3 miles W of Fulton. Comment
  UCD112452  Carex athrostachya Peter Rubtzoff 1960-5-29 4426 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Rd.) Comment
  CAS-BOT-BC329310  Carex barbarae Peter Rubtzoff 1975-7-3 8153 Sonoma Kenwood Marsh. Comment
  UC1017  Carex barbarae H. N. Bolander Apr 1864 3866 Sonoma Russian River Comment
  UCR248955  Carex barbarae Peter Rubtzoff 1958-4-26 3606 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC310301  Carex barbarae Peter Rubtzoff 1969-8-24 s.n. Sonoma 3 miles west of Fulton on north side of River Road. Comment
  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
  RSA0022384  Carex barbarae Peter Rubtzoff 1955-5-21 1873 Sonoma Forestville Marsh. Comment
  UCD140160  Carex barbarae Beecher Crampton 1964-5-12 6951 Sonoma 6 miles northwest of Calistoga, State Highway 128. Comment
  CAS-BOT-BC329312  Carex bolanderi Peter Rubtzoff 1954-8-2 1621 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC34424  Carex cusickii Peter Rubtzoff 1951-6-10 189 Sonoma Pitkin Marsh near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC34425  Carex cusickii John Thomas Howell; J. W. Stacey 1936-7-26 12683 Sonoma Pitkin Marsh. 5 miles north of Sebastopol. Comment
  CAS-BOT-BC18977  Carex densa John Thomas Howell 1938-7-3 13964 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC18980  Carex densa John Thomas Howell; J. W. Stacey 1936-7-26 12665 Sonoma Occidental. Comment
  CAS-BOT-BC18991  Carex densa James D. Jokerst 1985-4-26 2271 Sonoma Near Caldwell Ranch. Comment
  CAS-BOT-BC20488  Carex densa G. DeNevers 1981-6-15 1549 Sonoma Pepperwood Ranch. At Rogers Apple Orchard. Comment
  SEINET11052744  Carex densa Peter Rubtzoff 1960-5-15 4337 Sonoma Fife Creek Marsh [near Guerneville] Comment
  UCD112360  Carex densa Peter Rubtzoff 1954-6-7 1488 Sonoma Guerneville Marsh. Comment
  UCD151070  Carex densa James A. Neilson Jr. 1974-6-1 2767 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, ca. 3 1/2 mi. west of Whispering Pines and state highway 175, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  CAS-BOT-BC20472  Carex densa Alice Eastwood; John Thomas Howell 1936-5-19 2526 Sonoma Near Asti. Comment
  CAS-BOT-BC20502  Carex densa Peter Rubtzoff 1962-6-1 4862 Sonoma Sonoma County Marshes. Upper Freestone Marsh. Comment
  CDA11316  Carex dudleyi G. F. Hrusa, A. Buckman, R. Gross 1995-4-1 12031 Sonoma North Coast Biodiversity Arena; LAGUNA DE SANTA ROSA. Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. Moist upper margins of pools. Comment
  CAS-BOT-BC290555  Carex exsiccata Peter Rubtzoff 1955-9-9 2115 Sonoma Bodega Head Marsh. Comment
  RSA0031406  Carex exsiccata Peter Rubtzoff 1955-6-26 1906 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  CAS-BOT-BC19952  Carex exsiccata John Thomas Howell; J. W. Stacey 1937-6-6 13026 Sonoma Sebastopol. Comment
  CAS-BOT-BC290553  Carex exsiccata Peter Rubtzoff 1958-5-17 3668 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  UCR208523  Carex feta Peter Rubtzoff 1961-6-17 4619 Sonoma North Coast Range, Bennet Mountain Lake Comment
  SEINET7558582 Image available Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh. Comment
  SEINET10879720  Carex globosa Lewis S. Rose 1971-4-30 Rose 71026 Sonoma 3 mi E of Occidental. Serpentine Hills. 183 Comment
  UC857  Carex gracilior H. N. Bolander April 1864 3814 Sonoma near Mark West Creek Comment
  CAS-BOT-BC32473  Carex gracilior Henry Nicholas Bolander 1864-4-1 3822 Sonoma Meadow at Cloverdale Comment
  CAS-BOT-BC146597  Carex gynodynama John Thomas Howell 1947-6-5 23231 Sonoma Cunningham Marsh Comment
  UCR248716  Carex gynodynama Peter Rubtzoff 1962-5-11 4829 Sonoma Freestone Marsh 79 Comment
  CAS-BOT-BC242644  Carex harfordii Peter Rubtzoff 1957-5-4 3306 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC320573  Carex harfordii Peter Rubtzoff 1962-6-1 4861 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC320579  Carex harfordii Peter Rubtzoff 1962-6-1 4867 Sonoma Freestone Marsh. Comment
  RSA758134  Carex harfordii Peter Rubtzoff 1960-5-16 4351 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC21912  Carex harfordii Peter Rubtzoff 1951-6-9 166 Sonoma The Pitkin Marsh, near Forestville. A damp opening south of the upper marsh. Comment
  CAS-BOT-BC21030  Carex hendersonii Peter Rubtzoff 1954-6-7 1490 Sonoma East Guernewood, near Guerneville. Comment
  JEPS128382  Carex mendocinensis Roger Raiche 2000-5-5 082 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC146626  Carex mendocinensis Alice Eastwood; John Thomas Howell; J. W. Stacey 1937-5-31 4494 Sonoma 2 miles south of Gualala River, Sonoma coast Comment
  CAS-BOT-BC119732  Carex nebrascensis John Thomas Howell 1947-6-26 23309 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC119312  Carex obnupta Catherine Best 1981-6-5 s.n. Sonoma Ca 5 mi E of Stewart's Point on Stewart's Point Skaggs Creek Rd. Comment
  RSA0034042  Carex obnupta Peter Rubtzoff 1964-5-20 5305 Sonoma Brooks Gulch Marsh. Comment
  UC1042355  Carex obnupta Peter Rubtzoff 1951-6-9 165 Sonoma forest s Upper Marsh; Pitkin Marsh Comment
  CAS-BOT-BC119310  Carex obnupta Mary P. Wells 1981-8-2 s.n. Sonoma S end of Timber Ridge Road, The Sea Ranch. Comment
  RSA0025197  Carex obnupta Peter Rubtzoff 1957-6-28 3376 Sonoma Ducans Mills Marsh. Comment
  CAS-BOT-BC320582  Carex ovalis Peter Rubtzoff 1966-6-5 5758 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  UC1133473  Carex ovalis H. S. Yates 1936-5-16 5580 Sonoma 1 mi ne Graton; Sebastopol Quadrangle 30 Comment
  CAS-BOT-BC119249  Carex pachystachya Lewis Samuel Rose 1962-6-1 62065 Sonoma Freestone Comment
  UCD161858  Carex serratodens James A. Neilson Jr. 1975-7-8 3406 Sonoma Mayacmas Mountains. Socrates Mine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  NY11335  Carex sonomensis T. J. Howell 1937-6-6 13042 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC116927  Carex subbracteata Peter Rubtzoff 1959-6-13 4124 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC116929  Carex subbracteata Peter Rubtzoff 1954-8-2 1619 Sonoma Duncan Mills Marsh. Comment
  UCR208531  Carex subbracteata Peter Rubtzoff 1959-6-13 4124 Sonoma Willow Creek Marsh 9 Comment
  UCR248923  Carex subbracteata Peter Rubtzoff 1962-6-1 4868 Sonoma Freestone Marsh 79 Comment
  CAS-BOT-BC115531  Carex tumulicola John Thomas Howell 1947-6-5 23239 Sonoma Cunningham Marsh Comment
  UCD140933  Carex tumulicola Beecher Crampton 1956-4-24 3304 Sonoma Alexander Valley. Comment
  UCD140940  Carex tumulicola Gerry North 1993-4 12 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. Across road from Godspeed trailhead pullout. Shaded roadcut. 228 Comment
  RSA516604  Castilleja applegatei subsp. martinii R. C. Bacigalupi, G. Thomas Robbins, Freed W. Hoffman 1956-5-30 5667 Sonoma Headwaters of Big Austin Creek, vicinity of 'The Cedars', near Layton Chromite mine. 267 Comment
  LA209417  Castilleja campestris M. S. Baker; May 1935 8043 Sonoma ditch along R.R. track, SW of Wright School Comment
  UC886468  Castilleja densiflora subsp. densiflora Alice Eastwood 1921-4-24 10340 Sonoma Santa Rosa Comment
  SD62057  Castilleja franciscana Darley F. Howe 1965-8-3 Sonoma 2.4 miles east of Bodega Bay on Highway #1. Comment
  CAS-BOT-BC32542  Castilleja inornata Alice Eastwood; John Thomas Howell 1939-4-2 7367 Sonoma Sonoma coast, north of Bodega Bay Comment
  JEPS35571  Castilleja wightii L. R. Heckard 1964-6-12 1383 Sonoma about 2 mi n Russian River (ravine off Calif Hwy 1, near the point where this road descends into Russian Gulch); Russian Gulch Comment
  UC1341744  Castilleja wightii Noel H. Holmgren and James L. Reveal 1966-6-6 2649 Sonoma 3.5 mi n Bodega Bay (Calif Hwy 1, Coleman Beach); Sonoma Coast, Coleman Beach Comment
  CAS-BOT-BC32773  Ceanothus confusus John Thomas Howell 1937-7-4 13080 Sonoma Rincon Ridge, NE of Santa Rosa Comment
  JEPS81592  Ceanothus confusus R. Raiche and K. Zadnik 1982-3-27 20251 Sonoma NW of Hood Mountain (Rincon Ridge) Comment
  OBI10273  Ceanothus confusus H. E. McMinn 1941-4-27 5322 Sonoma Rincon Ridge Comment
  RSA21913  Ceanothus confusus J. T. Howell 1935-5-5 12616 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  UC18317  Ceanothus confusus Michener and Bioletti March 1898 1898 Sonoma Hood's Peak Comment
  CAS-BOT-BC48517  Ceanothus confusus Roger Raiche 1985-11-28 RR 50897 Sonoma w of Cloverdale, Red Mt. between Hot Springs Road & Cherry Creek Road 377 Comment
  RSA0005479  Ceanothus confusus J. T. Howell 1937-7-4 13080 Sonoma Rincon Ridge, northeast of Santa Rosa. Comment
  RSA25832  Ceanothus cuneatus Carl B. Wolf 1941-7-17 11024 Sonoma N Coast Range, 2.5 miles SW of Petrified forest along road to Sonoma and Santa Rosa 61 Comment
Read comments Feb 27 2015
  UC580708  Ceanothus cuneatus var. cuneatus C. M. Belshaw 1936-3-8 1583 Sonoma .75 mi n. Annadel; Santa Rosa quad. 144 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
  UC870541  Ceanothus divergens Milo S. Baker 1940-1-1 9588 Sonoma rd. from Calistoga towards Franz Valley (near School House) 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
  CAS-BOT-BC49903  Ceanothus foliosus var. foliosus Walter Knight; Irja Knight 1964-1-18 522 Sonoma Hooker Canyon, Cavedale Road Comment
  UC1254089  Ceanothus foliosus var. foliosus J. A. Delapp 1964-3-20 72 Sonoma Black Mountain 487 Comment
  CAS-BOT-BC50008  Ceanothus gloriosus John Thomas Howell 1935-5-5 12619 Sonoma 6 miles from Santa Rosa on road to 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
  UC338455  Ceanothus gloriosus var. exaltatus Lemmon 1887-5-1 Sonoma Santa Rosa Comment
  SEINET12210818  Ceanothus gloriosus var. exaltatus W. Knight, Knight, I. 1982-1 4650 Sonoma W of Sebastopol Comment
  CAS-BOT-BC63738  Ceanothus griseus Carl B. Wolf 1941-7-30 11109 Sonoma Along coast, 3 mi. n. Jenner. Comment
  UCD151304  Ceanothus integerrimus James A. Neilson Jr. 1974-7-31 3030 Sonoma Mayacmas Mountains. Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  UCD160873  Ceanothus integerrimus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3268 Sonoma Mayacmas Mountains, ca. 1/2 mile south of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  SEINET12211380  Ceanothus integerrimus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -270 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  POM203618  Ceanothus jepsonii J. T. Howell 1933-4-2 10959 Sonoma 2 miles east of Occidental Comment
  SEINET12210866  Ceanothus jepsonii W. Knight, Knight, I. 1982-1 4622 Sonoma On serpentine. 2.1 mi from Camp Meeker on Bohemian Highway toward Monte Rio Comment
  SEINET12211093  Ceanothus jepsonii var. albiflorus I. Knight, Knightwedwards, S. 1986-1 5360 Sonoma Access from Healdsburg-Geysers Road 975 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
  CAS-BOT-BC51869  Ceanothus parryi H. E. McMinn 1922-6-7 s.n. Sonoma Near Monte Rio Comment
  CAS-BOT-BC51892  Ceanothus parryi A. A. Heller; H. E. Brown 1902-4-22 5337 Sonoma Between Santa Rosa and Agua Caliente Comment
  UCD112485  Ceanothus parryi Collector unknown Date unknown s.n. Sonoma S.W. part of county. Comment
  UC1193290  Ceanothus prostratus R. H. Neuns 1950-5-17 112 Sonoma 4 mi airline from the Geysers (Sonoma-Lake County line); Quad. 60B4, 4 mi from the Geysers 990 Comment
  UC1299590  Ceanothus prostratus Freed W. Hoffman 1948-5-10 2744 Sonoma e slope Cobb Mountain North Coast Ranges, e slope Cobb Mountain 1219 Comment
  SEINET12211095  Ceanothus ramulosus W. Knight, Knight, I.; Edwards, S. 1986-1 5358 Sonoma Along the trail en route to summit of Geyser Peak. Access from Healdsburg-Geysers Road Comment
  CAS-BOT-BC53037  Ceanothus sonomensis John Thomas Howell 1935-5-5 12609 Sonoma West slope of Hood Peak Range near summit of Triniti P.O. Road Comment
  POM248696  Ceanothus sonomensis J. T. Howell 1935-5-5 12609 Sonoma Slopes of Triniti Mountain, 2 miles E of Glen Ellen Comment
  RSA755234  Ceanothus sonomensis Dylan O. Burge 2007-4-27 DOB 897 c Sonoma Mayacmas Mts.: Hood Mt. Regional Park and Open Space Preserve, west flank of Mount Hood, on Valley View Trail, accessed via Lower Johnson Ridge Trail, Pond Trail, and Valley View Trail., (parking 1.2 road miles E of SR 12 on Pythian Road), 11 km 339 degrees true NNW of Glen Ellen. 480 Comment
  RSA757810  Ceanothus sonomensis Dylan O. Burge 2008-5-25 DOB 991 c Sonoma Mayacmas Mountains, western slope of Hooker Canyon, at the residence of Marc Schwager and Allison Ash, Elarra Reserve, 3200 Cavedale Road, 4.5 km 92 degrees east-southeast of Glen Ellen. 500 Comment
  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
  UC618361  Ceanothus sonomensis John Thomas Howell 1935-5-5 12609 Sonoma Slopes of Trinity Mt. 2 miles E of Glen Ellen Comment
  CAS-BOT-BC53040  Ceanothus sonomensis Roman Gankin 1966-3-3 689 Sonoma On south-facing slope in Hooker Canyon, below Cavedale Road, 3.1 miles east of junction with State Highway 12 Comment
  RSA175239  Ceanothus sonomensis Robert F. Thorne, Percy C. Everett 1963-6-8 32247 Sonoma Canedale road, 2 miles E of Glan Ellen, Hood's Peak Range betw Napa and Sonoma Valleys Comment
  CAS-BOT-BC52400  Ceanothus velutinus H. E. McMinn 185 Sonoma Between Monte Rio and Guerneville Comment
  CAS-BOT-BC272113  Centaurea cyanus L. H. Huffins 1922-6-1 s.n. Sonoma Petaluma Comment
  CDA23055  Centaurea melitensis D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .269 Sonoma Cavedale Rd. Comment
  JEPS20838  Centaurium muehlenbergii Harry K. Roberts 1958-7-8 Sonoma 0.1 mi e junction of the Sebastopol and Occidental roads (and extending w toward Sebastopol for 1.2 mi on the lower half of the borrow pit on the s side of the Sebastopol-Santa Rosa highway) Comment
  CAS-BOT-BC279397  Centromadia pungens subsp. pungens W. Knight; I. Knight 1984-8-26 5422 Sonoma Willow Creek Road 60 Comment
  CAS-BOT-BC279399  Centromadia pungens subsp. pungens H. M. Hall 1931-10-6 13264 Sonoma West of Petaluma Comment
  CAS-BOT-BC384973  Cerastium arvense Alice Eastwood 1915-6-29 4812 Sonoma Bodega Point Comment
  CAS-BOT-BC384975  Cerastium arvense Rimo Bacigalupi 1926-5-2 1377 Sonoma Cazadero Comment
  UC1084464  Cerastium arvense G. Thomas Robbins 1937-6-6 228 Sonoma hills 2 - 3 mi. e. of Bodega Bay Comment
  CAS-BOT-BC384977  Cerastium arvense Catherine Best 1981-4-4 s.n. Sonoma Coleman Valley Road about 4 miles west of Occidental Comment
  CAS-BOT-BC384979  Cerastium arvense Dorothy Scherer 1986-4-8 027 Sonoma South of Kolmer Gulch ca 800' and east of Hwy 1 ca 15', Fort Ross State Historic Park 36 Comment
  CDA36948  Cerastium glomeratum CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCD98062  Cerastium glomeratum Peter Rubtzoff 1951-6-16 241 Sonoma Pitkin Marsh, near Forestville. Western branch of upper marsh. Comment
  UCD98054  Cerastium glomeratum Caitlin Lewis; William Mutch 1993-4-17 s.n. Sonoma about 40 air miles N of San francisco, 11 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. In Adobe Canyon, N of Sugarloaf Ridge and S of Red Mtn. 1 mile. Near visiter center. 365 Comment
  CAS-BOT-BC400231  Ceratophyllum demersum Peter Rubtzoff 1971-9-30 6711 Sonoma Near U.C. Bodega Marine Laboratory Comment
  POM187556  Cercis occidentalis Jones 1931-7-5 28974 Sonoma The Geysers Comment
  POM140923  Cercocarpus betuloides A. A. Heller, H. E. Brown 1902-3-25 5147 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC279784  Chamaemelum fuscatum John H. Thomas 1966-3-18 11481 Sonoma Edge of vineyard at Italian Swiss Colony vineyard at Asti Comment
  HSC34882  Chamaemelum fuscatum Thomas W. Nelson, James Nelson 1975-3-25 1751 Sonoma Asti Comment
  CAS-BOT-BC68222  Cheilanthes gracillima James Jokerst 1985-5-29 2391 Sonoma Whispering Pines Quad. near Cobb Mountain 1126 Comment
Read comments Jan 26 2018
  CAS-BOT-BC166742  Chenopodium Peter Rubtzoff 1968-9-21 5987 Sonoma Petaluma Creek at Stony Point Road, 4 miles northwest of Petaluma. Comment
  UCD165780  Chenopodium Peter Rubtzoff 1972-7-22 6831 Sonoma Laguna, Chileno Valley. Comment
  CDA2982  Chenopodium album Peter Rubtzoff 1962-6-21 4934 A. Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. 0 Comment
  JEPS54472  Chenopodium ambrosioides Rimo Bacigalupi and L. R. Heckard, and Peter Rubtzoff 1967-8-30 9317 Sonoma near Pitkin family farmhouse; Pitkin Marsh 53 Comment
  UC1010424  Chenopodium californicum Milo Baker 1930-4-15 3953 Sonoma beach near Salmon Cr.; North Bay Counties Comment
  UCR254737  Chlorogalum pomeridianum Peter Rubtzoff 1958-7-19 3765 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC499252  Chlorogalum pomeridianum Peter Rubtzoff 1951-8-18 617 Sonoma Pitkin Marsh, near Forestville, uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC499264  Chlorogalum pomeridianum David D. Keck 1944-7-11 5517 Sonoma 2 miles south of bridge across mouth of Russian River at Bodega, Sonoma Coast State Park Comment
  CAS-BOT-BC191507  Chorizanthe cuspidata var. villosa Alice Eastwood 1915-6-29 4832 Sonoma Bodega Point Comment
  CAS-BOT-BC191509  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-8-6 62077 Sonoma Bodega Point 30 Comment
  CAS-BOT-BC252849  Chorizanthe polygonoides var. polygonoides Alice Eastwood 1918-5-1 6832 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC46024  Chorizanthe valida Barbara Dows 1907-7-12 n.s Sonoma Sebastopol Comment
  CHSC297  Chrysanthemum segetum 1952-7-15 Sonoma Coastal. 30 Comment
  RSA130893  Chrysanthemum segetum E. K. Balls 1958-7-20 23582 Sonoma State Hwy. 1, Bodega Bay to Jenner 46 Comment
  CAS-BOT-BC284427  Cirsium brevistylum John Thomas Howell 1930-6-8 5245 Sonoma 2 miles east of Bodega 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-BC279996  Cirsium douglasii var. douglasii Alice Eastwood 1915-6-29 4887 Sonoma Bodega Point Comment
  CAS-BOT-BC280003  Cirsium douglasii var. douglasii R. F. Hoover 1966-7-17 9914 Sonoma Sausal Creek north of Alexander Valley Comment
  CAS-BOT-BC280005  Cirsium douglasii var. douglasii Alice Eastwood; John Thomas Howell 1937-5-31 4504 Sonoma 6 miles north of Bodega Bay Comment
  UCD169967  Cirsium occidentale Peter G. Connors 1990-5-10 s.n. Sonoma Bodega Bay, Bodega Marine Reserve, Bodega Head. Comment
  CAS-BOT-BC285708  Cirsium occidentale var. occidentale Walter Knight; Irja Knight 1963-8-13 163 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC280361  Cirsium occidentale var. venustum A. A. Heller 1902-6-24 5753 Sonoma Near Burke's Sanitarium Comment
  UC1618422  Cirsium occidentale var. venustum Barbara Ertter, Lincoln Constance 1993-7-10 12100 Sonoma 5 mi. beyond pavement on Rockpile Rd. w. of Lake Sonoma (rd. to Annapolis) Comment
  UCD130426  Cirsium occidentale var. venustum Frederica Bowcutt 1994-6-25 1906 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 0.25 miles N of Vista Trailhead along Gray Pine Trail. Comment
  RSA0070859  Cirsium quercetorum J. T. Howell 1938-7-3 13953 Sonoma Stony Point. Comment
  UCD160913  Cirsium vulgare James A. Neilson Jr. 1975-7-8 3418 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  UCD161248  Clarkia affinis James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3705 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
  RSA778735  Clarkia amoena subsp. amoena Ralph Hoffman 1931-7-14 s.n. Sonoma Bay SW of Sonoma Comment
  SEINET4143367  Clarkia amoena subsp. amoena K. Brandegee s.n. Sonoma Bodega Bay Comment
  CDA11250  Clarkia concinna G. F. Hrusa, H. Townsend 1994-5-29 11873 Sonoma Austin Creek State Recreation Area; Gilliam Creek Canyon immediately downslope of Bullfrog Pond Campground. 0 Comment
  CHSC41508  Clarkia concinna subsp. concinna R. N. Bowman 1985-5-23 6074 Sonoma Along w side of roadway, .2 miles w of Mark West Springs on Mark West Springs Rd. 134 Comment
  UC400139  Clarkia concinna subsp. concinna Ynez Mexia 1929-6-2 2394 Sonoma near Mark West Springs Comment
  CAS-BOT-BC162511  Clarkia gracilis subsp. gracilis G. DeNevers 1981-5-9 1032 Sonoma Pepperwood Ranch, just above the old Strebel Homestead Comment
  UC107858  Clarkia gracilis subsp. sonomensis Michener and Bioletti June, 1891 682 b Sonoma Glen Ellen Comment
  UC107859  Clarkia gracilis subsp. sonomensis Michener and Bioletti 1893-6-10 37 Sonoma Glen Ellen Comment
  CAS-BOT-BC163463  Clarkia purpurea subsp. quadrivulnera Alice Eastwood 1915-6-5 4596 Sonoma Petrified Forest Comment
  CAS-BOT-BC163467  Clarkia purpurea subsp. quadrivulnera John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53999 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UC20329  Clarkia purpurea subsp. quadrivulnera Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  CAS-BOT-BC163465  Clarkia purpurea subsp. quadrivulnera G. DeNevers 1981-5-9 1054 Sonoma On a hot, thin soil road cut below the Strebel Homestead Comment
  CAS-BOT-BC163469  Clarkia purpurea subsp. quadrivulnera Alice Eastwood; John Thomas Howell 1939-6-11 7415 Sonoma Near [Triniti] Trinity P.O., Hoot Mt. Range Comment
  CAS-BOT-BC164584  Clarkia purpurea subsp. viminea A. A. Heller 1902-6-4 5646 Sonoma Santa Rosa Comment
  CAS-BOT-BC164745  Clarkia rhomboidea Alice Eastwood 1915-6-6 4684 Sonoma Mt. St. Helena Comment
  UCD100578  Claytonia exigua J. Adams; J. Weick, Daehler, Lu 1993-5-8 286 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. Comment
  CHSC26434  Claytonia gypsophiloides P. Kunst 1977-4-11 16 Sonoma Moist open area within Redwood and Mixed Evergreen Forest. 121 Comment
  RSA712417  Claytonia gypsophiloides K. L. Chambers 1977-3-29 4252 Sonoma Cloverdale to Booneville rd. (Hwy. 128) 3.7 mi. NW of junction with Hwy. 101 near Cloverdale. Gravelly serpentine roadbank. Comment
  CAS-BOT-BC229139  Claytonia parviflora subsp. grandiflora Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  RSA388344  Claytonia perfoliata Gary Bolton 1975-4-19 3 Sonoma Bay Road, 200m E of P G & E hole, Bodega Head Comment
  UCD123945  Claytonia perfoliata Caitlin Lewis; William Mutch 1993-4-17 19 Sonoma Sugarloaf Ridge State Park. About 40 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
  RSA785705  Claytonia perfoliata subsp. perfoliata Carrie A. Herd 1982-4-25 82 Sonoma Crane Creek Regional Park Comment
  SEINET12050352  Clintonia andrewsiana F. H. Utech 1988-1 88 -234 Sonoma Stewart's Point, ca 1.5 mi E on Stewarts Point Road from junction with CA 1 40 Comment
  UC26616  Collinsia greenei H. N. Bolander 1866-1 3968 Sonoma The Geysers Comment
  UC1032564  Collinsia heterophylla H. S. Yates 1934-4-22 3841 Sonoma 2 mi sw of Mark West 152 Comment
Read comments Dec 13 2013
  UC353937  Collinsia sparsiflora var. collina unknown 1928-4-20 2976 b Sonoma Rincon Valley 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
  UC885509  Collinsia sparsiflora var. sparsiflora Alice Eastwood May 1918 6818 Sonoma Mount St. Helena Comment
  CHSC22315  Collinsia tinctoria Robert A. Schlising; Lloy Thurman 1962-6-15 2307 Sonoma Dry Creek Road, few miles E of Skaggs Springs. Coast Ranges. Comment
  JEPS7299  Collinsia tinctoria W. L. Jepson 1923-6-28 10005 Sonoma near Kenwood (Sonoma Canyon); Sonoma Canyon 243 Comment
  UC1238979  Collinsia tinctoria Freed W. Hoffman 1948-8-2 2356 Sonoma Spring Mountain Road to St. Helena near summit St. Helena; North Coast Ranges, Spring Mountain Road 609 Comment
  UC26664  Collinsia tinctoria F. T. Bioletti Jun 1891 Sonoma Kenwood Comment
  UC72070  Collomia heterophylla Milo S. Baker 1898-4-3 16 Sonoma Guerneville to Cazadero Comment
  CAS-BOT-BC288916  Conyza canadensis Peter Rubtzoff 1986-9-28 9753 Sonoma Russian River at Forest Hills, 55 miles E of Guerneville Comment
  CAS-BOT-BC288969  Conyza floribunda Mary P. Wells 1990-1-3 1027 Sonoma Edge of large parking lot two blocks W of Laguna de Santa Rosa Creek, Sebastapol Comment
  JEPS6812  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1933-8-1 16549 Sonoma Agua Caliente Comment
  UCR256118  Cordylanthus pilosus subsp. pilosus Greg de Nevers 1990-7-24 9678 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 220 Comment
  RSA412354  Cordylanthus tenuis subsp. brunneus Francis W. Pennell 1940-7-3 26044 Sonoma Hoods Peak, NE of Kenwood 701 Comment
  JEPS29842  Cordylanthus tenuis subsp. capillaris Rimo Bacigalupi and L. Heckard, J. Weiler 1961-6-23 7832 Sonoma ca. 3/4 mi nw Occidental School (nw of garbage disposal area, along Stoetz Lane, 0.5 mi nw of its junction with Harrison Grade road.) 228 Comment
Read comments Jul 27 2009
  JEPS62600  Cordylanthus tenuis subsp. capillaris T. I. Chuang with Fei-Mei Chuang 1970-7-25 6834 Sonoma 2.7 mi ne Occidental (Stoetz Road, w of Harrison grade) Comment
  UC727699  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1946-7-4 11523 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  CAS-BOT-BC368072  Coreopsis grandiflora Greg de Nevers 1998-6-9 11273 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Rd., at mouth of John Kuffenotchi's driveway. 400 Comment
  SD260941  Cornus Peter Rubtzoff 1973-8-31 7290 Sonoma Upper Green Valley Marsh, slope of Green Valley Road bank bordering the marsh. Comment
  RSA0019561  Cornus californica Peter Rubtzoff 1951-7-22 534 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC209880  Cornus nuttallii A. T. Graff 1922-5-1 s.n. Sonoma Cazadero Comment
  UCD15008  Cornus nuttallii James Aronson 1977-4-15 20 Sonoma along Skaggs Springs Road, 12.7 miles west of the intersection with Dutcher Creek Road; Comment
  RSA800124  Cornus sericea Peter Rubtzoff 1970-8-31 7290 Sonoma Upper Green Valley Marsh, slope of Green Valley Road bank bordering the marsh. Comment
  CAS-BOT-BC180191  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1964-2-16 527 Sonoma Mill Creek Road Comment
  UCD110060  Corylus cornuta subsp. californica Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1767 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  UCD110065  Corylus cornuta subsp. californica K. Esau 1932-8-28 s.n. Sonoma Near Petrified Forest. Comment
  UCD110070  Corylus cornuta subsp. californica Mary M. Hektner 1974-7-8 139 Sonoma Between State Highway 1 and Pacific Reach Road; Unit 24 Owners' Map, Sea Ranch. Comment
  UCSB1014  Corylus cornuta subsp. californica Keator, Glenn 1959-4-2 Sonoma 0.6 miles north of junction of Laguna road and 5.1 miles north of Sebastopol in Vinehill region Comment
  CAS-BOT-BC173589  Cotula coronopifolia Peter Rubtzoff 1959-6-6 4091 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC290298  Cotula coronopifolia Walter Knight; Irja Knight 1963-9-29 231 Sonoma Near railroad bridge over Petaluma River ca. 1 mi. S. of Petaluma Comment
  SD206992  Crassula Reid Moran, J. Vale 1989-5-3 Sonoma Sonoma Valley Regional Park; E of Glen Ellen. Comment
  SD206989  Crassula aquatica Reid Moran, C. Quibell and W. Knight. 1991-5-21 31054 Sonoma Diversion channel south of Spring Lake, Santa Rosa. 99 Comment
  SD207279  Crassula hystrix Reid Moran 1989-5-21 31025 Sonoma Lone Pine Gardens, Sebastopol. Comment
  RSA0073843  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
  SD141317  Crassula solieri Reid Moran, Charles Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1.0 km east of Glen Ellen. 110 Comment
  CAS-BOT-BC143502  Crataegus gaylussacia Peter Rubtzoff 1958-5-4 3628 Sonoma Forestville Marsh Comment
  CAS-BOT-BC143511  Crataegus gaylussacia Peter Rubtzoff 1973-10-10 7344 Sonoma (Tributary of Americano Creek) 2 mi. west of Bloomfield Comment
  CAS-BOT-BC173648  Crepis Peter Rubtzoff 1960-6-7 4450 Sonoma Austin Creek Marsh. Comment
  UC963911  Cressa truxillensis Milo S. Baker 1946-10 11710 Sonoma less than 1 mi. n. of junction of Sears Point Cutoff and Black Point Hwy. (near Bay marsh) Comment
  UC963923  Crocanthemum scoparium var. vulgare Milo S. Baker 1947-5-12 11766 Sonoma sw slope Hood Mt. Comment
  UCD142091  Croton setiger Barbara Ertter 1988-11-5 8033 Sonoma Lake Sonoma ca 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  CDA36778  Crupina vulgaris D. B. Joley 1976-7-28 35 Sonoma Bennett Valley Road, south of golf course. 0 Comment
  CAS-BOT-BC190146  Crypsis schoenoides Peter Rubtzoff 1987-9-27 9855 Sonoma Russian River at Forest Hills, ca. 6 miles east of Guerneville. Comment
  UCR255052  Crypsis schoenoides Greg de Nevers 1997-7-20 11070 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  SEINET7067255  Cryptantha A. G. Vestal 1947-5-13 s.n. Sonoma About 1.3 miles north of Salomon Creek. Coordinate datum: NAD27. UTM 10, 647035mE, 3964854mN. Comment
  SEINET7067261  Cryptantha clevelandii A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  UC24673  Cryptantha flaccida Bolander 6541 Sonoma Russian River Bed Cloverdale Comment
  CAS-BOT-BC251261  Cucurbitaceae Peter Rubtzoff 1955-9-10 2145 Sonoma Vacation Beach, near Guerneville. Comment
  JEPS108593  Cupressus goveniana subsp. pygmaea R. Raiche 1986-11-9 60585 Sonoma Pygmy Forest Trail, Salt Point State Park 182 Comment
  SEINET11739328  Cupressus macnabiana W. Knight, Knight, I.; Howell, J. T. 1984-1 5077 Sonoma above Hooker Canyon on Cavedale Road 640 Comment
  CAS-BOT-BC85471  Cupressus sargentii Carl Brandt Wolf; E. R. Johnson 1934-10-13 2140 Sonoma 2 8/10 mi. from Camp Meeker on road to Monte Rio 60 Comment
  CAS-BOT-BC85474  Cupressus sargentii Lewis Samuel Rose 1955-7-11 55113 Sonoma 2 mi. e. of Occidental 243 Comment
  CAS-BOT-BC85475  Cupressus sargentii Roxana Stinchfield Ferris; L. Lorraine 1961-6-15 13565 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road Comment
  SEINET3840824  Cupressus sargentii Unknown 2006-6-24 6 .323 Sonoma On serpentine along Harrison Grade 168 Comment
  UC570367  Cupressus sargentii Chas. M. Belshaw 1936-3-8 1557 Sonoma 2 mi ne Occidental; North Coast Range Comment
  UCD132952  Cupressus sargentii Frederica Bowcutt 1997-7-18 2187 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge West of Bear Ck. 365 Comment
  CAS-BOT-BC376333  Cuscuta Greg de Nevers 1996-11-10 10891 Sonoma Just north of Highway 37 opposite Port Sonoma, Lower Ranch. 0 Comment
  UCR254905  Cuscuta californica var. breviflora Greg de Nevers 1993-8-7 10481 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS128250  Cuscuta occidentalis Roger Raiche 2000-7-15 137 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC727760  Cuscuta pentagona Milo S. Baker 1946-8-17 11559 Sonoma The Laguna, at the crossing of the Occidental Rd The Laguna Comment
  RSA788850  Cuscuta pentagona Peter Rubtzoff 1975-8-15 8321 Sonoma Laguna, Chileno Valley. 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-BC376230  Cynodon Greg de Nevers 1996-9-23 10880 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek x Piny Canyon 487 Comment
  CAS-BOT-BC190472  Cynosurus echinatus Mary P. Wells 1981-8-2 s.n. Sonoma Trail north off Crow's Nest Road and east of Spy Glass Lane. The Sea Ranch. Comment
  RSA0022474  Cynosurus echinatus Peter Rubtzoff 1968-6-20 5899 Sonoma 6.5 mi. northeast of Penngrove on Lichan[Lichau?] Road. 427 Comment
  SD99411  Cyperus eragrostis Christopher Davidson 1977-6-17 5876 Sonoma State Highway 12; ca. 3 miles west of Guerneville; sand bar in Russian River; riparian zone along Russian River bordered by coast redwood forest. 14 Comment
  CAS-BOT-BC114435  Cyperus erythrorhizos Peter Rubtzoff 1958-9-20 3992 Sonoma Laguna de Santa Rosa NE of Graton. 1.5 mi N of Guerneville Road. Comment
  CAS-BOT-BC114437  Cyperus erythrorhizos Peter Rubtzoff 1959-8-30 4241 Sonoma Drake's Beach, near Guerneville. Open, wet gravelly margin of Russian River. Comment
  CAS-BOT-BC114439  Cyperus erythrorhizos Peter Rubtzoff 1961-9-20 4757 Sonoma Lagune de Santa Rosa, NE of Graton, near Guerneville Road crossing. Comment
  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
  CAS-BOT-BC113913  Cyperus niger var. capitatus Peter Rubtzoff 1959-8-30 4242 Sonoma Drake's Beach, near Guerneville. Open, wet gravelly margin of Russian River. Comment
  CAS-BOT-BC113915  Cyperus niger var. capitatus Peter Rubtzoff 1955-9-10 2136 Sonoma East Guernewood, near Guerneville. On a Russian River island. Comment
  UC410708  Cypripedium californicum A. L. Graff 1928-5-22 Sonoma headwaters of Austin Creek Comment
  UC4442  Cypripedium montanum Brewer 1866-4 4829 Sonoma Cloverdale Comment
  CAS-BOT-BC435194  Cypselea humifusa H. K. Wagnon 1991-10-14 1993 Sonoma Jack London State Park. Comment
  UCD105688  Cytisus scoparius Andreas Stohr 1996-5-19 17 Sonoma Roadside 7 miles west of Petaluma. 100 Comment
  UCD60299  Dactylis glomerata Virginia Bufford 1936-5-22 403 Sonoma Highway 1--2 mi. north of Stewarts Point. Comment
  CDA31317  Danthonia californica D. G. Kelch, Ed Biffin 2010-5-3 10 .21 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  JEPS86300  Danthonia californica Jack and Betty Guggolz 1989-4-29 1002 Sonoma Comment
  UCD60485  Danthonia californica Beecher Crampton 1957-7-22 4385 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCD60986  Danthonia californica M. Wiesendanger 1927-5-5 710 Sonoma Sonoma Co. Comment
  UCD61011  Danthonia californica R. Tofsrud 1948-5-9 Sonoma 1 mi. E of Mark West Springs. Comment
  CAS-BOT-BC154130  Datura Peter Rubtzoff 1958-8-17 3896 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  UCR279632  Datura stramonium Peter Rubtzoff 1968-9-21 5986 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  JEPS15988  Daucus carota W. L. Jepson 1933-8-5 16552 Sonoma Sonoma Comment
  UCD126489  Daucus pusillus Frederica Bowcutt 1984-6-23 454 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County Coast. West of Highway 1, about 1/2 mile north of Gerstle Cove. 15 Comment
  RSA0009663  Daucus pusillus Marcus E. Jones 1931-7-5 29093 Sonoma West of Cloverdale. Comment
  SD134023  Delairea odorata Greg de Nevers 1986-12-17 8117 Sonoma Pepperwood Ranch Natural [preserve, 3500 Franz Valley Road, Santa Rosa. 99 Comment
  CAS-BOT-BC9574  Delphinium bakeri E. Armstrong 1932-5-7 5900 Sonoma Coleman Valley at Hedrin Ranch Comment
  CAS-BOT-BC9014  Delphinium decorum A. A. Heller 1938-5-14 15089 Sonoma East of Bodega Bay Comment
  CAS-BOT-BC9020  Delphinium decorum John Thomas Howell 1931-4-18 6416 Sonoma Larkspur Rock near Bodega Bay Comment
  RSA149677  Delphinium hesperium C. Epling 1943-6-17 s.n. Sonoma Bodega Bay, 2 mile sE of bay at rock outcrops. Comment
  UCSC000516  Delphinium hesperium C. B. Churchill 1-May s.n. Sonoma Sonoma Cr. Canon Comment
  CAS-BOT-BC10007  Delphinium hesperium Alice Eastwood 1916-6-5 4599 Sonoma Petrified Forest on Calistoga Road Comment
  SD56750  Delphinium hesperium Darley F. Howe 1963-7-2 3577 Sonoma 4.2 miles north of junction with #12 on #1 Comment
  CAS-BOT-BC10098  Delphinium luteum John Thomas Howell 1930-6-8 5261 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC8006  Delphinium nudicaule A. A. Heller; H. E. Brown 1902-3-12 5046 Sonoma Sonoma Creek, Eastern Base of Mt. Hood Comment
  UC75782  Delphinium nudicaule Miss M. Alice King April 1897 Sonoma near Healdsburg Comment
  CAS-BOT-BC121723  Delphinium patens subsp. patens Volney Rattan 1880-1-1 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC121725  Delphinium patens subsp. patens Gregory Clark de Nevers 1981-5-7 994 Sonoma Pepperwood Preserve, Hansel's Lake Comment
  CAS-BOT-BC7763  Delphinium variegatum subsp. variegatum Milo S. Baker 1928-4-10 2987 a Sonoma Bennett Val. Comment
  CAS-BOT-BC7765  Delphinium variegatum subsp. variegatum Ella D. Cantelow 1940-4-6 4273 Sonoma South of Shellville Comment
  UC1126351  Dendromecon rigida E. Armstrong 1934-3-26 941 Sonoma 3 mi w Camp Meeker; Sebastopol Quadrangle 91 Comment
  SEINET12090184  Dendromecon rigida W. Knight, Knight, I. 1981-1 3977 Sonoma 4.1 mi up Cavedale Road from junction of state route 12 Comment
  CAS-BOT-BC227667  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1971-6-25 6571 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing. Comment
  UCD63753  Deschampsia cespitosa subsp. holciformis P. B. Kennedy 1914-10-1 Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC201648  Deschampsia danthonioides John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54681 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC210040  Deschampsia danthonioides Peter Rubtzoff 1969-5-24 6061 Sonoma Vernal pool 7.5 mi. northeast of Penngrove on Lichau Road. 426 Comment
  JEPS45809  Deschampsia danthonioides Eleanor Armstrong 1932-5-18 160 Sonoma 4 mi. w. Santa Rosa 45 Comment
  RSA784393  Deschampsia danthonioides Peter Rubtzoff 1969-6-14 6084 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  SEINET10662640  Deschampsia danthonioides P. Rubtzoff 1969-6-14 Rubtzoff 6084 Sonoma 6.5 mi. northeast of Penngrove on Lichau Road. Comment
  CAS-BOT-BC227656  Deschampsia elongata Peter Rubtzoff 1964-6-24 5373 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC209247  Dichanthelium acuminatum subsp. acuminatum R. D. Stone; G. Clifton 1983-6-16 553 Sonoma Little Geysers, upper Big Sulphur Creek drainage. 701 Comment
  CAS-BOT-BC209249  Dichanthelium acuminatum subsp. acuminatum R. Spellenberg 1964-6-15 402 Sonoma The Geysers, 17 mi. E. of Geyserville Comment
  POM89831  Dichanthelium acuminatum var. thermale Volney Rattan 1885-06 s.n. Sonoma Geysers. Comment
  UC1300926  Dichelostemma congestum Helen K. Sharsmith 1963-5-25 5483 Sonoma on road from Freestone to Occidental; San Francisco Bay Region 121 Comment
  UC665619  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma 5 mi n Jenner Comment
Read comments Apr 2 2015
  UCD126369  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma five miles north of Jenner. Comment
  RSA788367  Digitaria Peter Rubtzoff 1971-8-23 6655 Sonoma Meacham Road, 0.35 miles S of Stony Point Road. Comment
  CAS-BOT-BC208963  Digitaria ischaemum John Thomas Howell; Walter Knight; Irja Knight 1986-10-9 6127 Sonoma Llamo Road between Todd Road adn Gravenstein Hwy. Comment
  RSA796382  Digitaria sanguinalis Peter Rubtzoff 1958-8-9 3846 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  CHSC1749  Diplacus aurantiacus H. Holder 1949-5-19 Sonoma Highway #1. Comment
  SEINET6957403  Dirca occidentalis Lorin I. Nevling 1996-2-17 348 Sonoma Above Salmon Creek Road approximately 2 miles from Bodega, before intersection with Fitzpatrick Lane. Altitude 320 feet. "Western Leatherwood." Comment
  CAS-BOT-BC331486  Distichlis Peter Rubtzoff 1971-8-23 6646 Sonoma Spring Hill Road 0.8 miles southeast of Bodega Highway (Two Rock church). Comment
  RSA796172  Distichlis spicata Peter Rubtzoff 1962-7-14 5000 Sonoma Lower Salmon Creek Marsh. Comment
  POM78476  Dodecatheon hendersonii subsp. cruciatum A. A. Heller, H. E. Brown 1902-3-10 10801 Sonoma Hills East of Santa Rosa. Comment
  UC1244024  Downingia concolor var. concolor John H. Weiler 1960-4-22 60102 Sonoma Schellville station, Southern Pacific Railroad Comment
  SD108305  Downingia concolor var. concolor Walter Knight, Irja Knight 1980-5-12 Sonoma 0.5 mile south of junction of highways 116 and 121 in Sonoma Valley. Comment
  JEPS14401  Downingia pusilla W. L. Jepson 1921-5-6 9194 Sonoma Sonoma Valley Comment
  JEPS77864  Downingia pusilla Robert M. Lloyd 1965-5-8 2627 Sonoma 3 mi n Highway 12 junction with Aqua Caliente Road (on Highway 12, meadow across from Lawrence Triangle End Garage) Comment
  UCD166073  Downingia pusilla Peter Rubtzoff; H. A. Froebe 1971-5-30 6494 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC71014  Dryopteris arguta Volney Rattan 1877-6-25 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC411376  Dudleya caespitosa Carl B. Wolf 1927-9-2 1356 Sonoma 8 miles N of Fort Ross Comment
  CAS-BOT-BC428376  Dudleya farinosa Marcus E. Jones 1882-7-17 3347 Sonoma Duncan's Mills Comment
  CAS-BOT-BC428384  Dudleya farinosa L. R. Abrams 1920-7-3 7634 Sonoma Near Stewarts Point Comment
  UCD166210  Dysphania Peter Rubtzoff 1969-11-2 6209 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC210133  Echinochloa Peter Rubtzoff 1973-9-4 7296 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA785441  Echinochloa Peter Rubtzoff 1976-8-29 8836 Sonoma Russian River at Forest Hills, 5.5 mi east of Guerneville. Comment
  CAS-BOT-BC173585  Echinochloa crus-galli Peter Rubtzoff 1956-9-15 2901 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC208555  Echinochloa crus-galli John Thomas Howell; Walter Knight; Irja Knight 1986-10-9 6283 Sonoma Llano Road between Gravenstein Hwy. and Todd Road near sewage plant. Comment
  CAS-BOT-BC208553  Echinochloa crus-galli David L. Morgan 1955-7-5 s.n. Sonoma Bloomfield Rd., 2 mi. N of junction of Petaluma-Valley Ford Rd. Comment
  CHSC59374  Ehrharta calycina Peter G. Connors 1991-5-22 107 Sonoma Bodega Head, Bodega Bay, Bay Flat Road, near Clark Marsh. Roadside. Comment
  CAS-BOT-BC113736  Eleocharis acicularis var. gracilescens Peter Rubtzoff 1951-6-17 268 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  UC1810  Eleocharis macrostachya Michener and Bioletti 1893-5-27 Sonoma Glen Ellen Comment
  UCD49782  Eleocharis macrostachya Mary M. Hektner 1975-6-2 194 Sonoma Unit 28 Owner's Map, Sea Ranch, near State Highway 1, Sonoma County, California. Comment
  CAS-BOT-BC112192  Eleocharis radicans Peter Rubtzoff 1951-9-2 703 Sonoma Pitkin Marsh, near Forestville: Northern half of Lower Marsh. Comment
  CAS-BOT-BC112204  Eleocharis radicans Peter Rubtzoff 1958-8-30 3940 Sonoma Vacation Beach, near Guerneville. Open, wet sand along the water line of the Russian River. Comment
  UC730044  Elymus glaucus Leo F. Koch 1940-4-22 836 Sonoma Geysers Sulphur Creek Canyon Comment
  UCD61840  Elymus glaucus Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-19 23 A Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS128373  Elymus glaucus subsp. glaucus Roger Raiche 2000-5-4 062 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS78827  Elymus multisetus Edward Lee 1936-6-7 2193 Sonoma South ridge Bohemian Grove (fire trail) Comment
  UC483680  Epilobium brachycarpum Milo S. Baker 1931-9-13 5565 Sonoma near Kenwood; Clifton Hawkins Ranch Comment
  UC582992  Epilobium ciliatum subsp. ciliatum P. A. Munz 1936-8-7 14307 Sonoma six mi n Bodega (edge of road) Comment
  CAS-BOT-BC262971  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1520 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  RSA800036  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1969-8-26 6150 Sonoma On River Road. 3 miles W of Fulton. Comment
  CAS-BOT-BC290547  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1967-8-28 5865 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC290593  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1962-6-21 4946 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC300482  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5338 Sonoma Bodega Bay Marsh. Comment
  UCR248931  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5338 Sonoma Bodega Bay Marsh 15 Comment
  UCR248950  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1962-8-22 5052 Sonoma Bodega Bay Marsh 15 Comment
  CAS-BOT-BC290557  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1962-8-22 5052 Sonoma Bodega Bay Marsh. Comment
  RSA800038  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1967-8-28 5867 Sonoma Lower Salmon Creek Marsh. Comment
  UCD160972  Epilobium densiflorum James A. Neilson Jr. 1975-7-8 3407 Sonoma Mayacmas Mountains. Socrates Mine. (Elevation and coordinates estimated by label maker.) 914 Comment
  UCD166300  Epilobium hallianum Peter Rubtzoff 1966-6-5 5760 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  JEPS128200  Epilobium minutum Roger Raiche 2000-5-4 068 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC164072  Equisetum Peter Rubtzoff 1962-5-25 4846 Sonoma Atascadero Creek Marsh. Comment
  RSA784473  Equisetum Peter Rubtzoff 1962-5-25 4840 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  CAS-BOT-BC183617  Equisetum X ferrissii Peter Rubtzoff 1960-6-9 4480 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC57208  Equisetum hyemale subsp. affine Mary P. Wells 1981-7-1 s.n. Sonoma Goat Rock State Beach Comment
  RSA784474  Equisetum laevigatum Peter Rubtzoff 1959-8-22 4230 Sonoma South Fork Eel River in Edward R. Hickey State Park. Comment
  CAS-BOT-BC57650  Equisetum telmateia Peter Rubtzoff 1954-9-6 1741 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC57647  Equisetum telmateia Peter Rubtzoff 1959-6-7 4109 Sonoma Russian River betw. East Guernewood and Vacation Beach, near Guerneville 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-BC284190  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1970-9-2 6356 Sonoma Russian River at Mirabel Park Comment
  CAS-BOT-BC284192  Eragrostis pectinacea var. pectinacea G. DeNevers 1981-6-26 1660 Sonoma Pippindale Garden, Pepperwood Ranch Comment
  RSA785229  Erechtites glomeratus Peter Rubtzoff 1960-10-29 4577 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC291249  Erechtites minimus John Thomas Howell 1946-8-17 22868 a Sonoma Cunningham Marsh Comment
  CAS-BOT-BC291253  Erechtites minimus John H. Thomas 1976-6-17 18351 Sonoma Near northern end of Sea Ranch, northwestern part of Sonoma County, about 4 miles south of Gualala Comment
  UC1563955  Eremocarpus setiger Barbara Ertter 1988-11-5 8033 Sonoma point below Little Flat parking area (w of bridge, ca 5 air mi due s of Cloverdale); Lake Sonoma 152 Comment
  RSA121646  Ericameria arborescens subsp. arborescens J. B. Spring 1932-7-7 97 Sonoma 2/5 mile SW of Veeder Mt. 610 Comment
  JEPS41425  Erigeron biolettii F. Bioletti 1893-6-1 Sonoma Hoods Peak Comment
  UC31491  Erigeron biolettii J. Burtt Davy 1896-7-22 4147 Sonoma below Guerneville (on rocks); Russian River Comment
  JEPS41420  Erigeron biolettii W. L. Jepson 1937-9-29 18575 Sonoma Glass Mt. St. Helena (on road to sanitarium) Comment
  POM55490  Erigeron glaucus A. A. Heller, H. E. Brown 1902-5-27 5609 Sonoma Bodega Bay Comment
  CAS-BOT-BC295131  Erigeron greenei John Thomas Howell 1936-7-26 12669 Sonoma Between Occidental and Graton Comment
  UC896087  Erigeron petrophilus var. petrophilus Alice Eastwood 1918-9-3 7919 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC300303  Erigeron supplex Mary P. Wells 1985-6-3 516 Sonoma Drive off Wild Fern Close, The Sea Ranch Comment
  CAS-BOT-BC300305  Erigeron supplex Mary P. Wells 1984-7-6 357 A Sonoma Site of North Fire Station. The Sea Ranch Comment
  CDA11915  Eriodictyon californicum G. F. Hrusa, G. L. Stebbins 1994-4-8 11733 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, Cavedale Rd. approx. 2.7 m E of Hwy 12. Comment
  UCD160838  Eriogonum dasyanthemum James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3483 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC259249  Eriogonum latifolium Walter Knight; Irja Knight 1963-8-13 170 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC259253  Eriogonum latifolium John H. Thomas 1976-6-15 18301 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC259255  Eriogonum latifolium H. L. Mason 1928-7-10 4885 Sonoma Jenner Comment
  CAS-BOT-BC259257  Eriogonum latifolium John Thomas Howell 1930-7-27 5414 Sonoma 4 miles north of Bodega Bay Comment
  CAS-BOT-BC259259  Eriogonum latifolium John Thomas Howell 1930-6-8 5288 Sonoma 8.5 miles n. of Bodega Bay Comment
  LA206932  Eriogonum latifolium John Thomas Howell; 1930-6-8 5288 Sonoma 8.5 mi. N of Bodega Bay Comment
  CAS-BOT-BC259266  Eriogonum latifolium Greg de Nevers 1997-5-14 11001 Sonoma Estero Americano, south of Bodega. Sonoma Land Trust Hepper Preserve 30 Comment
  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
  CAS-BOT-BC259467  Eriogonum luteolum Walter Knight; Irja Knight; Tiffany Knight; Dr. Steve Edwards 1985-7-21 5395 Sonoma Red Hill off Pine Flat Road 640 Comment
  CAS-BOT-BC259469  Eriogonum luteolum R. F. Hoover 1965-6-29 9476 Sonoma North of summit on Harrison Grade road near Occidental Comment
  UC6525  Eriogonum luteolum var. luteolum Alice King Oct. 1896 Sonoma Healdsburg Comment
  CAS-BOT-BC261688  Eriogonum nudum var. nudum Mary P. Wells 1985-7-7 544 Sonoma King's Ridge Road, north of Cazadero Comment
  UC635014  Eriogonum nudum var. oblongifolium H. L. Mason 1928-7-10 4885 Sonoma Jenner Comment
  UC85760  Eriogonum roseum T. S. Brandegee July 1885 496 Sonoma Cloverdale Comment
  UC353793 Image available Eriophyllum confertiflorum var. confertiflorum Milo S. Baker 1928-5-1 3169 a Sonoma Youngman place Comment
  SEINET5781672 Image available Eriophyllum lanatum Marcus E. Jones 1882-1 2773 Sonoma Duncan's Mills Comment
  UCSB22550  Eriophyllum lanatum Jensen, Karen 1965-4-15 Sonoma Along Highway 1, about 1 km. south of Bodega 13 Comment
  CAS-BOT-BC301146  Eriophyllum lanatum var. achilleoides H. L. Mason 1934-4-28 8075 Sonoma Head of Dohrman Creek, Jensen's Ranch, four miles west of Healdsburg Comment
  CAS-BOT-BC301156  Eriophyllum lanatum var. achilleoides L. R. Abrams 1916-7-4 5789 Sonoma Road between Petrified Forest and Mark West 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-BC301163  Eriophyllum lanatum var. achilleoides L. Beane; Lois E. James 1949-5-11 1939 Sonoma 2 mi. N. of Cloverdale Comment
  UC1118237  Eriophyllum lanatum var. arachnoideum H. S. Yates 1934-4-21 3810 Sonoma near Bodega Port; Duncan Mills Quadrangle 7 Comment
  CDA28601  Eryngium aristulatum G. F. Hrusa, A. Buckmann (DFG) 1996-10-5 13582 A Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Comment
  JEPS97594  Eryngium aristulatum R. D. Stone 1985-6-1 676 Sonoma Shiloh Ranch Mark West Springs (2.3 airmiles NE of intersection of Shiloh and Faught rds.;0.6 airmiles WSW of); a small tributary in Mark West Creek drainage 259 Comment
  POM259278  Eryngium armatum J. T. Howell 1938-7-3 13947 Sonoma Stony Point. Comment
  CDA15033  Eryngium oblanceolatum R. Gross 1998-10-28 s.n. Sonoma North Coast Biodiversity Arena; 1/2 mi. N of Hwy 37 on Hwy 121, W side. Comment
  SEINET14046357 Image available Erythranthe guttata Noel H. Holmgren, Liew Fah Seong 1969-1 3606 Sonoma Calif. 1, 7.2 miles north of Marin County line. Comment
  CAS-BOT-BC153621  Erythranthe inodora Peter Rubtzoff 1959-6-13 4128 Sonoma Willow Creek Marsh. Bank of Willow Creek Comment
  UC3604  Erythronium helenae Edw. L. Greene 1892-4-20 Sonoma Mt. St. Helena 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
  SEINET12049790  Erythronium helenae F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -199 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 800 Comment
  CAS-BOT-BC403701  Eschscholzia californica Alice Eastwood 1915-6-29 4823 Sonoma Bodega Point Comment
  CAS-BOT-BC403710  Eschscholzia californica John H. Thomas 1976-6-16 18328 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UCD95274  Eschscholzia californica Chris Bowen 1974-5-19 135 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  UCR44930  Eschscholzia californica L. F. LaPre 1986-6-2 s.n. Sonoma Red Slide, serpentine rockslide along upper East Austin Creek, 5 mi north of Cazadero, 3 mi up a private road from Mannings Flats, Austin Creek State Recreation Area 305 Comment
  UC353919  Eucalyptus camaldulensis Milo S. Baker 1928-1-28 3237 b Sonoma w. side Los Guilicos Valley Comment
  CAS-BOT-BC202768  Euonymus occidentalis Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Russian River Comment
  JEPS9602  Euonymus occidentalis var. occidentalis M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 249 Sonoma between Guerneville and Monte Rio (Russian R.); Russian R. Comment
  UC1071564  Euonymus occidentalis var. occidentalis E. Armstrong 1934-3-26 903 Sonoma 1 mi. w. Camp Meeker; Sebastopol Quad. Comment
  CAS-BOT-BC294703  Euphorbia Peter Rubtzoff 1973-8-20 7227 Sonoma Sonoma Creek, near Agua Caliente Road crossing, west of Agua Caliente Comment
  CAS-BOT-BC294705  Euphorbia Peter Rubtzoff 1971-7-23 6610 Sonoma Laguna, Chileno Valley. Comment
  UCD142411  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
  CAS-BOT-BC418825  Fagopyrum esculentum H. K. Wagnon 1988-8-8 1797 Sonoma Spring Lake Park and environs. Adjacent to Montgomery Drive 67 Comment
  UCR255671  Festuca arundinacea Greg de Nevers 1998-6-10 11276 Sonoma North Coast Range, Modini Mayacamas Preserves; Pine Flat Road, near end of town of Pine Flat 91 Comment
  CAS-BOT-BC283191  Festuca californica subsp. californica K. Wagnon 1939-5-14 196 Sonoma East edge of Wagnon rock quarry, five miles west of Sebastopol Comment
  UCD65874  Festuca californica subsp. californica R. Tofsrud 1941-3-1 93 Sonoma Near Santa Rosa. Comment
  RSA123473  Festuca californica var. californica H. S. Yates 1934-4-21 s.n. Sonoma Near Bodega Port 8 Comment
  UC576335  Festuca elmeri H. S. Yates 1937-5-31 6564 Sonoma 1 mi sw Petrified Forest; Calistoga Quad. 274 Comment
  UCD66373  Festuca rubra Freed W. Hoffman 1944-7-1 1971 Sonoma Bodega Bay. Comment
  UCD66500  Festuca subuliflora B. Crampton 1955-6-17 2961 Sonoma 2 miles east of Fort Ross. Comment
  CAS-BOT-BC354070  Filago Peter Rubtzoff 1963-9-28 5276 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  SEINET11826926  Filago pyramidata var. pyramidata Unknown 1936-1 13100 Sonoma Healdsburg Comment
  UCD113202  Fragaria chiloensis R. H. Miller 1949-4-6 25 Sonoma Coast Route 1, approximately 5 miles south of Jenner. Comment
  UC466558  Fragaria vesca Milo S. Baker May 1899 Sonoma Stewart's Canyon Comment
  UCD112540  Frangula californica Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-29 92 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD112545  Frangula californica G. F. Hrusa; J. Pfeiffer 1995-9-23 12466 Sonoma N slope of Cavedale Edaphic Island. 400 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
  CAS-BOT-BC540826  Frankenia Peter Rubtzoff 1970-5-30 6251 Sonoma Five miles north of Sears Point. Comment
  SEINET12335290  Fraxinus dipetala F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -255 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  RSA232867  Fraxinus latifolia L. S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Creek, NE of Santa Rosa. 122 Comment
  SJSU5729  Fraxinus latifolia L. S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Cr, NE of Santa Rosa 121 Comment
  UCD116299  Fremontodendron californicum Roger Raiche 1984-5-4 RR 40133 Sonoma North of Guerneville, Morrison Ridge above Gilliam Creek. Austin Creek Recreational Area, headwaters of East Austin Creek Recreational Area. 182 Comment
  UC1299213  Fremontodendron californicum subsp. californicum Freed W. Hoffman 1950-5-24 3591 Sonoma The Island, head of Devil Creek, a branch of East Austin Creek head of Devil Creek; North Coast Ranges, head of Devil Creek Comment
  SEINET11993687  Fremontodendron californicum subsp. napense Unknown 1984-1 RR 40133 Sonoma N of Guerneville Morrison Ridge above Gilliam Creek, Austin Creek Recreational Area 183 Comment
  CAS-BOT-BC130177  Fritillaria affinis John Thomas Howell 1924-3-22 289 Sonoma Camp Meeker Comment
  CAS-BOT-BC130180  Fritillaria affinis Milo S. Baker 1934-3-25 7577 Sonoma Pine Flat Comment
  CAS-BOT-BC130182  Fritillaria affinis Alice Eastwood; John Thomas Howell 1939-4-2 7365 Sonoma Larkspur Rock Comment
  CHSC22970  Fritillaria affinis Robert A. Schlising; Et al. 1962-3-31 2126 Sonoma Ca 2 mi NE of Kenwood along road in to Sugarloaf Ridge. Comment
  CAS-BOT-BC130179  Fritillaria affinis Milo S. Baker 1940-3-1 s.n. Sonoma unspecified Comment
  RSA177995  Fritillaria affinis Robert F. Thorne 1965-4-19 34296 Sonoma W of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  SEINET180533  Fritillaria lanceolata Mrs. E. Tucker 1936-4-5 Sonoma Camp Meeker. Comment
  CAS-BOT-BC130357  Fritillaria liliacea Miss. L. S. Huffine 1927-4-1 s.n. Sonoma On road from Occidental to Sebastopol Comment
  CAS-BOT-BC130359  Fritillaria liliacea Anita Noldeke 1940-4-1 s.n. Sonoma Near Sebastopol Comment
  CAS-BOT-BC130454  Fritillaria purdyi Milo S. Baker 1927-4-22 s.n. Sonoma Mt. St. Helena 853 Comment
  CAS-BOT-BC376341  Galium andrewsii Greg de Nevers 1998-6-10 11283 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  JEPS128191  Galium californicum Roger Raiche 1999-5-23 007 .99 Sonoma The Cedars, Mineral Falls Canyon, Lunar Fork. Lower Russian River, Big Austin Creek watershed. Comment
  UCD121741  Galium californicum G. F. Hrusa 1998-6-14 14591 Sonoma Flats on Foote Ranch, immed. N of corner Ida Clayton Rd. and Hwy. 128, Knights Valley. 130 Comment
  UCD160757  Galium californicum James A. Neilson Jr. 1975-5-23 3214 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  UC353828  Galium divaricatum Milo S. Baker 1927-5-7 2127 Sonoma slope above Maple Glen; Mt. Hood Region Comment
  RSA47803  Galium divaricatum Roxana S. Ferris, Laura Lorraine 1948-6-9 11661 Sonoma 1 miles from Geyserville on road to Kellogg. Comment
  SD88402  Galium porrigens var. porrigens Darley F. Howe 1972-4-30 Sonoma Bodega Bay Comment
  UCD121906  Galium porrigens var. tenue UC Davis Botany 102 Students 1993-4-17 49 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sugarloaf Ridge. Near group campground. Comment
  UCR279618  Gamochaeta ustulata Peter Rubtzoff 1962-6-19 4923 Sonoma Occidental Marsh 305 Comment
  CAS-BOT-BC303496  Gamochaeta ustulata G. DeNevers 1981-5-23 1310 Sonoma Hansel's cow pasture Comment
  CAS-BOT-BC199066  Garrya elliptica C. B. Wolf; E. R. Johnson 1934-10-13 6180 Sonoma 9 mi. N of Ft. Ross on Coast Rd. to Stewarts Pt. 45 Comment
  CAS-BOT-BC278683  Gastridium phleoides G. DeNevers 1981-9-12 1843 Sonoma Pepperwood Ranch. On Mark West Creek, at confluence with Leslie Creek Comment
  CAS-BOT-BC278685  Gastridium phleoides G. DeNevers 1981-5-30 1344 Sonoma Pepperwood Ranch. N of Hansel's corral Comment
  CAS-BOT-BC278687  Gastridium phleoides L. Koch 1938-6-12 312 Sonoma Barbour Home. Ranch four mi. n. of Santa Rosa along Redwood Hgwy. Comment
  CAS-BOT-BC278689  Gastridium phleoides Peter Rubtzoff 1962-9-30 5104 Sonoma Vacation Beach, 2 mi. below Guerneville Comment
  HSC101100  Gastridium phleoides Peter Warner 2011-8-10 229 Sonoma Jenner Headlands property, Muniz Ranch Rd., about 0.5 mi. N from Hwy. 1 intersection. 55 Comment
  RSA0022353  Gastridium phleoides Peter Rubtzoff 1970-9-2 6366 Sonoma Russian River bottom at Mirabel Park. Comment
  UCR252996  Gastridium ventricosum Peter Rubtzoff 1973-7-24 7196 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC193258  Genista monspessulana Alice S. M. McKenzie 1981-1-11 s.n. Sonoma Coast between Russian and Gualala Rivers; Beside Hwy. 1; in Timber Cove area. Comment
  RSA0028442  Geranium core-core Peter H. Raven, Richard Snow 1958-7-23 13689 Sonoma 2.6 miles north of Jenner. Comment
  RSA0028535  Geranium dissectum I. L. Wiggins 1949-4-30 12068 Sonoma 4 miles west of Calistoga. Comment
  UC867472  Geranium molle Milo S. Baker 1935-5-12 8037 Sonoma 1 mi e Bodega Bay (near highway at Larkspur Rock) Comment
  UCD103397  Geranium molle Milo S. Baker 1935-5-12 s.n. Sonoma Highway 12 at Larkspur Rock, 1 mi. east of Bodega Bay. Comment
  CAS-BOT-BC366949  Gilia capitata Greg de Nevers 1997-4-16 10946 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC361360  Gilia capitata Greg de Nevers 1997-4-16 10937 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  CAS-BOT-BC226168  Gilia capitata subsp. tomentosa Mrs. H. C. Cantelow 1941-6-7 s.n. Sonoma 3.2 miles north of Jenner on State highway 1 Comment
  LA206687  Gilia millefoliata Alice Eastwood; June 1915 sn Sonoma Bodega Point Comment
  UC912342  Gilia millefoliata Charles B. Heiser Jr. 1946-4-14 1734 Sonoma Bodega Head Comment
Read comments Feb 24 2009
  POM65678  Gilia tricolor A. A. Heller, H. E. Brown 1902-4-4 5211 Sonoma Hills east of Santa Rosa Comment
  UCD117974  Gilia tricolor subsp. tricolor Botany 102 Students 1993-5-8 215 Sonoma Sugarloaf Ridge State Park, about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Along Meadow Creek. 396 Comment
  SD88302  Glebionis segetum Darley F. Howe 1972-4-30 Sonoma Bodega Bay Comment
  CAS-BOT-BC227663  Glyceria Peter Rubtzoff; Nancy Harrison 1978-5-20 9181 Sonoma Cunningham Marsh area., on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC227665  Glyceria Peter Rubtzoff 1964-5-30 5325 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa. Comment
  CAS-BOT-BC282813  Glyceria leptostachya Peter Rubtzoff 1962-5-30 4850 Sonoma Freestone Marsh Comment
  CAS-BOT-BC282815  Glyceria leptostachya Peter Rubtzoff 1957-5-26 3357 Sonoma Occidental Marsh Comment
  CAS-BOT-BC282817  Glyceria leptostachya A. D. E. Elmer 1903-7-1 4652 Sonoma Petaluma Comment
  CAS-BOT-BC282819  Glyceria leptostachya John Thomas Howell 1945-8-14 21390 A Sonoma Perry Marsh Comment
  RSA786604  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5384 Sonoma Coleman Marsh. Comment
  HSC100882  Glyceria leptostachya Peter Warner 2011-8-18 232 Sonoma Pitkin Marsh, ~1.5 mi. SE of Forestville, lower marsh in channel, ~50 m S of N edge of parcel, below off-site water impoundment. 42 Comment
  UCR244674  Glyceria occidentalis Peter Rubtzoff 1966-5-28 5739 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road crossing) 20 Comment
  RSA94012  Gnaphalium chilense Peter Rubtzoff 1951-8-19 654 Sonoma Near the creek, just north of the Lower Marsh Comment
  CAS-BOT-BC166790  Gnaphalium palustre Peter Rubtzoff 1959-6-20 4164 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC166792  Gnaphalium palustre Peter Rubtzoff 1962-9-30 5102 Sonoma Vacation Beach, 2 miles below Guerneville. Comment
  CAS-BOT-BC302696  Gnaphalium palustre Peter Rubtzoff 1956-9-21 2935 Sonoma Vacation Beach, near Guerneville. Comment
  JEPS87227  Gnaphalium palustre Jack and Betty Guggolz 1992-7-17 1330 Sonoma low area in a large cattle pasture Bloomfield Road 36 Comment
  CAS-BOT-BC164671  Gnaphalium purpureum Peter Rubtzoff 1952-6-10 1221 Sonoma Northeast slopes of Fitch Mountain near Healdsburg. Comment
  CAS-BOT-BC251226  Gratiola Peter Rubtzoff 1974-5-11 7387 Sonoma Todd Road, 1.4 miles from hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC305174  Grindelia hirsutula P. A. Munz 1936-8-7 14306 Sonoma 2 mi. north of Bodega Comment
  CAS-BOT-BC305186  Grindelia hirsutula John Thomas Howell 1930-6-8 5256 Sonoma 1 mile east of Bodega Bay Comment
  POM187850  Grindelia hirsutula var. davyi Marcus E. Jones 1931-7-5 29142 Sonoma The Geysers. Comment
  UCD160836  Grindelia nana James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3371 a Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CDA2098  Hainardia cylindrica Gordon Leppig 2000-5-6 1345 Sonoma Austin Creek State Recreation Area, Austin Creek Trail Comment
  HSC94161  Hainardia cylindrica Gordon Leppig 2000-5-6 1345 Sonoma Austin Creek Trail. 177 Comment
  UCD85146  Hainardia cylindrica Beecher Crampton 1957-7-11 4337 Sonoma just south of Portugese Beach, in Sonoma Coast State Park, about 2.5 miles north of Salmon Creek, along State Hwy. 1. Comment
  JEPS85605  Harmonia nutans Rimo Bacigalupi with Robbins and Chisaki 1956-4-17 5587 Sonoma along road 3.7 mi e beginning of Ida Clayton Rd. on Kellogg Valley side ((jct. with State rd. 128)); Mayacamas Range 685 Comment
  CDA34787  Hedera helix Peter Warner 2010-2-28 109 Sonoma Sweetwater Springs Rd., 4.7 mi. W of Westside Rd.; in redwood stand immediately along S road edge. Comment
  CAS-BOT-BC306328  Hedypnois cretica John Thomas Howell 1931-4-18 6423 Sonoma At mouth of Salmon Creek, 2 miles n. of Bay Comment
  CAS-BOT-BC306330  Hedypnois cretica E. (Gene) Lagel 1974-4-14 s.n. Sonoma Annadel Farms State Park near Santa Rosa Comment
  RSA93426  Helenium bigelovii Milo S. Baker 1939-5-19 9331 Sonoma Perry Marsh near Molino. 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-BC314741  Helianthella californica var. californica G. De Nevers 1982-5-2 1978 Sonoma Along road on ridge above Hansel's Lake, Pepperwood Ranch Natural Preserve Comment
  CDA6477  Helianthus gracilentus David J. Keil, V. L. Holland, Lynne Dee Oyler, G. F. Hrusa, G. L. Stebbins 1994-6-5 24503 Sonoma Along Cavedale Road ca. 1.5 miles from junction with Trinity Road, Mayacamus Mountains. Comment
  CAS-BOT-BC173587  Hemizonia Peter Rubtzoff 1969-5-11 6031 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  UCD166135  Hemizonia Peter Rubtzoff 1969-5-11 6031 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC258395  Hemizonia Peter Rubtzoff 1974-5-18 7422 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  RSA800073  Hemizonia Peter Rubtzoff 1956-9-24 2943 Sonoma Stony Point Marsh. Comment
  UCD166204  Hemizonia Peter Rubtzoff 1969-8-26 6161 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  UCD166305  Hemizonia Peter Rubtzoff 1966-8-25 5803 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  UC88997  Hemizonia clevelandii Katharine Brandegee Sonoma Verano Comment
  RSA81576  Hemizonia clevelandii James I. McMurphy 1909-7-10 502 Sonoma Hills near Cloverdale. Comment
  RSA94096  Hemizonia congesta J. T. Howell 1945-8-14 21408 Sonoma Perry Marsh Comment
  CAS-BOT-BC306154  Hemizonia congesta subsp. clevelandii J. McMurphy 1909-7-10 502 Sonoma Hills near Cloverdale Comment
  CAS-BOT-BC306160  Hemizonia congesta subsp. clevelandii James McMurphy 1908-9-27 s.n. Sonoma Between Fulton and Sebastopol Comment
  CAS-BOT-BC306162  Hemizonia congesta subsp. clevelandii Lewis S. Rose 1933-9-3 33352 Sonoma 4 mi. W. Petrified Forest Comment
  SD62035  Hemizonia congesta subsp. clevelandii Darley F. Howe 1965-8-14 Sonoma East of Santa Rosa. 120 Comment
  SDSU4579  Hemizonia congesta subsp. clevelandii D. F. Howe 1965-8-14 4103 Sonoma East of Santa Rosa. 122 Comment
  CAS-BOT-BC306223  Hemizonia congesta subsp. congesta John Thomas Howell 1930-6-8 5216 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CAS-BOT-BC306225  Hemizonia congesta subsp. congesta John Thomas Howell 1930-6-8 5216 Sonoma 8 miles w. of Petaluma on Bodega Road Comment
  CAS-BOT-BC306227  Hemizonia congesta subsp. congesta Walter Knight; Irja Knight 1963-9-1 144 Sonoma Pine Mt. Rd - NE of Cloverdale, Harold Smith Ranch 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-BC306241  Hemizonia congesta subsp. congesta J. W. Congdon 1880-8-2 s.n. Sonoma Petaluma & Santa Rosa Road Comment
  UCD132980  Hemizonia congesta subsp. congesta Roxana S. Ferris; Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental road with Facendini Lane. Comment
  UCD132985  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-6-16 1063 Sonoma north side of Occidental Road and Facendini Lane. Comment
  CAS-BOT-BC309684  Hemizonia congesta subsp. lutescens R. F. Hoover 1969-8-31 11567 Sonoma Adobe Road and Casa Grande Road near Petaluma Comment
  CAS-BOT-BC309726  Hemizonia congesta subsp. lutescens Roxana S. Ferris; Laura Lorraine 1961-6-14 13546 Sonoma Junction of Occidental Road with Facendini Lane Comment
  UC194215  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-24 10251 Sonoma Petaluma Comment
  UC197510  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-23 10243 Sonoma Field 7.5 mi nw of Petaluma Comment
  UC584180  Hemizonia congesta subsp. lutescens J. Clausen 1935-5-24 1085 Sonoma 5.1 mi s Jenner (on the Bodega road) Comment
  CAS-BOT-BC309676  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-10 717 -C Sonoma About a mile west of Santa Rosa on road to Fulton Comment
  CAS-BOT-BC309704  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-23 10243 Sonoma 7 1/2 mi. n.w. of Petaluma Comment
  UCD132990  Hemizonia congesta subsp. lutescens Lewis S. Rose 1964-8-26 64067 Sonoma 5 miles northeast of Penngrove. 243 Comment
  CAS-BOT-BC309947  Hemizonia congesta subsp. luzulifolia R. F. Hoover 1966-7-17 9916 Sonoma Sausal Creek north of Alexander Valley Comment
  JEPS86759  Hemizonia congesta subsp. luzulifolia Jack and Betty Guggolz 1990-9-9 1089 Sonoma in river bed between Cloverdale and Asti crossing; Russian River bed 79 Comment
  OBI16224  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1966-7-17 9916 Sonoma Sausal crk N of Alexander Valley Comment
  UCD158829  Hemizonia congesta subsp. luzulifolia James A. Neilson Jr.; Teresa A. Sholars 1974-12-26 2926 Sonoma The Geysers, Section 14. (Elevation and coordinates estimated by label maker.) 533 Comment
  UC32737  Hemizonia congesta subsp. luzulifolia F. T. Bioletti 1892-7-1 Sonoma Chauvert's Comment
  SEINET12121673  Heracleum lanatum F. H. Utech 1986-1 86 -126 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 200 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
  JEPS82314  Hesperolinon spergulinum Roger Raiche 1983-6-19 30411 Sonoma The Cedars; slopes of Red Slide Creek 243 Comment
  UCD95457  Hesperomecon linearis Laurie E. Miller 1974-5-11 158 Sonoma Bodega Head outside Bodega Marine Life Refuge. 6 Comment
  UCD166419  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Comment
  JEPS81179  Heterotheca oregona var. oregona Edward Lee with W. A. Setchell 1936-6-5 2172 Sonoma Bohemian Grove Comment
  CDA7880  Heterotheca oregona var. rudis T. R. Haig 1959-11-4 Sonoma 5 miles north of Cloverdale. 0 Comment
  CAS-BOT-BC311161  Heterotheca sessiliflora subsp. bolanderi John Thomas Howell 1930-7-13 5342 Sonoma Black Point Road Comment
  UCD133084  Heterotheca sessiliflora subsp. bolanderi Mary M. Hektner 1976-9-16 269 Sonoma below south end of yardarm Drive, Unit 15 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET12217167  Heuchera micrantha var. pacifica J. F. Vale 1988-1 s.n. Sonoma Skaggs Springs Rd, between Sonoma Lake & Annapolis Rd Comment
  UC858049  Heuchera pilosissima M. V. Ott 1934-3-31 79 Sonoma Larkspur Hill, 3 mi w Bodega (near the coast) Comment
  CAS-BOT-BC424431  Heuchera pilosissima Dorothy Scherer 1997-5-20 112 Sonoma SE of Kolmer Gulch and Hwy. One, Fort Ross State Historic Park 36 Comment
  JEPS78858  Hieracium albiflorum Edward Lee 1936-6-8 2219 Sonoma Bohemian Grove; grounds near entrance Comment
  UC39803  Hierochloe occidentalis J. Burtt Davy 1896-7-21 Sonoma near Duncan's Mills Comment
  UC1129900  Hoita macrostachya J. B. Spring 1932-6-21 79 Sonoma Hooker Canyon Napa Quadrangle 365 Comment
  UC479115  Hoita macrostachya Marcus E. Jones, A. M. 1931-7-5 28969 Sonoma w Cloverdale Comment
  RSA0009726  Hoita macrostachya Marcus E. Jones 1931-7-5 28969 Sonoma West of Cloverdale. Comment
  CAS-BOT-BC227669  Holcus lanatus Peter Rubtzoff 1954-7-29 1605 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC280801  Holcus lanatus David L. Morgan 1960-7-27 s.n. Sonoma Watkins Ranch, 1/2 mi. nw. of Penngrove on Redwood Highway Comment
  CAS-BOT-BC320403  Holocarpha virgata Milo S. Baker 1945-7-17 11106 Sonoma Field S of Guerneville Hiwy about 6 mi from Santa Rosa Comment
  POM91554  Holodiscus discolor Marcus E. Jones 1882-7-18 3579 Sonoma Duncan's Mills. Comment
  RSA0026176  Holodiscus dumosus Barbara Ertter, Roger Raiche, J. R. Shevock, R. Bittman 1994-6-23 12850 Sonoma The Cedars' serpentine area at head of Big Austin Creek N of Cazadero, ca. 20 air miles due W of Healdsburg. South branch of creek. Comment
  JEPS128301  Holodiscus dumosus var. cedrorum Roger Raiche 2010-6-11 019 .10 Sonoma The Cedars, across from Magazines. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC315813  Holozonia filipes A. A. Heller 1902-7-1 5800 Sonoma Lagoon at Sebastopol Comment
  CAS-BOT-BC166740  Holozonia filipes Peter Rubtzoff 1971-7-9 6601 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  JEPS6227  Holozonia filipes Milo S. Baker 1954-8-12 13034 Sonoma 2 mi nw Kenwood (Coney Ranch); Coney Lake 365 Comment
  SD133785  Holozonia filipes Rimo Bacigalupi, P. Rubtzoff 1976-8-6 Sonoma Knights Valley, off south side of Bavarian Lion Company ranch road, 1-1.5 miles west of its junction with Franz Valley Road(0.4 mi S of Hwy128 Comment
  SEINET10933146  Hookera terrestris A. Arthur Heller 1940-5-10 Heller 15602 Sonoma Scattered plants on a grassy slope near the Ocean between Fort Rosa and Stewart's Point. Humid Transition Life Zone. Comment
  SEINET257718 Image available Hordeum brachyantherum M. Barkworth, D Amme 1989-6-15 5173 Sonoma South end of Bodega Head on restored grassland. 81 Comment
  SEINET257982  Hordeum brachyantherum Mary E. Barkworth, D Amme 1989-6-15 5173 Sonoma S end of Bodega Head onrestored grassland Comment
  SEINET258713 Image available Hordeum brachyantherum M. Barkworth, D Amme 1989-6-15 5174 Sonoma South end of Bodega Head on restored grassland. 81 Comment
  UC1746175  Hordeum brachyantherum Annetta M. Carter 1934-4-29 513 Sonoma 1 mi. W of Two Rock Junction on rd. to Tomales. Comment
  UCD85485  Hordeum brachyantherum Collector unknown 1941-3-1 s.n. Sonoma Santa Rosa Junior College. Comment
  CAS-BOT-BC289293  Hordeum brachyantherum subsp. brachyantherum Barrett Anderson 1987-4-27 3464 Sonoma Petaluma, south of El Rose and west of D Street 120 Comment
  CAS-BOT-BC289295  Hordeum brachyantherum subsp. brachyantherum G. DeNevers 1981-5-9 1025 Sonoma At the Red Corral, McCann Homestead, Pepperwood Ranch Comment
  UC1103748  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1932-5-8 9902 Sonoma Geyserville Northern Coast Ranges, Geyserville 152 Comment
  UCD85878  Hordeum marinum subsp. gussoneanum David L. Morgan 1956-5-13 s.n. Sonoma 2 miles W of Petaluma on 'I'st. Ext. Comment
  CAS-BOT-BC284845  Hordeum murinum subsp. glaucum Peter Rubtzoff 1951-7-21 487 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  UCD85936  Hordeum murinum subsp. glaucum Frederica Bowcutt 1984-6-24 465 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg. Old home site near existing barn along road to Gerstle Cove parking lot. Northwest of Gerstle Cove approx. 1/4 mile. West of Highway 1. 30 Comment
  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
  RSA611288  Horkelia californica Joseph A. Ewan 1935-5-12 9198 Sonoma 2 miles west of Bodega, on Bodega Bay Road Comment
  SDSU9065  Horkelia californica D. F. Howe 1963-8-1 3653 Sonoma 2.2 miles north of Jenner on #1. Comment
  UC424868  Horkelia californica subsp. dissita Milo S. Baker 1930-5-31 4150 Sonoma e Heldsburg (beyond Brattie's); Russian River Comment
  CAS-BOT-BC536170  Horkelia californica var. elata Milo S. Baker 1930-5-31 4150 b Sonoma Russian River east of Healdsburg above Buttes Comment
  CAS-BOT-BC146521  Horkelia tenuiloba John Thomas Howell 1937-7-4 13083 Sonoma 5 miles north of Sebastopol Comment
  RSA731317  Horkelia tenuiloba Chris K. Kjeldsen, Daniel T. Kjeldsen 2005-10-4 1885 Sonoma Coast Ranges: Russian River watershed, Bohemian Grove, N of Camp Meeker and Tyrone off Bohemian Highway. 128 Comment
  UCD161442  Hosackia crassifolia James A. Neilson Jr. 1975-7-8 3385 Sonoma Mayacmas Mountains; west of Alder Creek, vicinity of Geyser Rock; northeast Sonoma County, (Coordinates and elevation estimated by label maker.) 1097 Comment
  UCD128230  Hydrocotyle ranunculoides David E. Bayer 1960-9-29 s. n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC400994  Hypericum anagalloides Carl B. Wolf 1927-9-2 1349 Sonoma One mile south of the Gualala River on coast road Comment
  UCD53888  Hypericum calycinum Dorothy Kleinschmidt 2005-9-4 s.n. Sonoma Santa Rosa. Comment
  SEINET11987351  Hypericum concinnum W. Knight, Knight, I. 1981-1 Sonoma 4.1 mi up Cavedale Road from jct of state rt. 12 Comment
  CAS-BOT-BC401290  Hypericum perforatum Peter Rubtzoff 1956-9-16 2922 A Sonoma Vacation Beach, near Guerneville Comment
  CAS-BOT-BC401292  Hypericum perforatum D. E. Breedlove 1980-6-28 44786 Sonoma Pepperwood Ranch W of Knights Valley 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
  JEPS36533  Hypochaeris glabra M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma Guerneville; Russian River Comment
  CAS-BOT-BC316683  Hypochaeris glabra G. DeNevers 1981-5-9 1061 A Sonoma Below the Strebel Homestead, Pepperwood Ranch Comment
  CAS-BOT-BC316685  Hypochaeris glabra Greg de Nevers 1981-4-23 798 Sonoma Pepperwood Ranch Comment
  RSA0009747  Hypochaeris glabra Marcus E. Jones 1931-7-5 29093 Sonoma West of Cloverdale. Comment
  CAS-BOT-BC316709  Hypochaeris radicata Greg de Nevers 1981-4-23 792 Sonoma Pepperwood Ranch Comment
  SD88575  Iris douglasiana Darley F. Howe 1972-5-4 Sonoma Near Duncan Mills Pond. 152 Comment
  UCD138707  Iris douglasiana Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 40 A Sonoma Unit 2 Owners' Map, Sea Ranch. Comment
  JEPS88860  Iris fernaldii Carol A. Wilson 1992-4-18 92 -ph4 Sonoma 0.6 mi from East Mark Springs Dr. junction with Old Redwood Hwy. (on East Mark Springs Dr, near Petrified Forest, ne of of Santa Rosa) Comment
  RSA135874  Iris fernaldii Lee W. Lenz, E. K. Balls 1952-5-8 17110 Sonoma 4.4 miles northwest from Mark West Springs, on road to Kellogg 107 Comment
  CAS-BOT-BC376228  Isoetes Greg de Nevers 1993-3-7 10318 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Above Double Ponds spring 304 Comment
  UCD150145  Isoetes howellii Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1. 43 Comment
  CAS-BOT-BC368083  Isoetes howellii Greg de Nevers 1998-4-28 11209 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge Comment
  CAS-BOT-BC368087  Isoetes howellii Greg de Nevers 1998-3-20 11220 Sonoma Cresta Ranch, Mark West Creek Comment
  RSA227253  Isoetes howellii Peter Rubtzoff 1963-6-22 5188 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC61927  Isoetes nuttallii Peter Rubtzoff 1951-7-14 468 Sonoma Lower part of the Upper Marsh Comment
  CAS-BOT-BC112389  Isolepis carinata John Thomas Howell; J. W. Stacey 1937-6-6 13027 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112411  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh, near Forestville: Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC112570  Isolepis cernua Peter Rubtzoff 1955-7-31 2015 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC112572  Isolepis cernua Peter Rubtzoff 1954-8-10 1678 Sonoma Bodega Head Marsh. Comment
  CHSC91622  Isolepis cernua G. F. Hrusa 2000-11-13 15718 Sonoma Northern California. At base of ocean bluff. Kortum trail head to Goat Rock. Comment
  UCD159439  Jaumea carnosa D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 196 Sonoma Beach (cove) near Bodega Marine Lab. Numerous. Rocky. 2 Comment
  CDA18031  Juncus bolanderi R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena Spring. NW side. 0 Comment
  UCR252541  Juncus breweri Peter Rubtzoff 1954-8-3 1647 Sonoma Bodega Head Marsh 2 Comment
  SEINET6333666  Juncus bufonius A. A. Heller 1902-6-11 5688 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  SEINET7042397  Juncus bufonius A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  SEINET7042682  Juncus bufonius A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  CAS-BOT-BC173534  Juncus dubius Peter Rubtzoff 1972-6-27 6792 Sonoma Atascadero Creek Marsh Comment
  RSA94455  Juncus dubius Peter Rubtzoff 1951-7-7 356 Sonoma Pitkin Marsh, near Forestville; Western branch of the upper marsh. Comment
  UCR244512  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5907 Sonoma Lichau Marsh [5 miles northeast of Penngrove on Lichau Road] 220 Comment
  UCD141504  Juncus effusus subsp. pacificus Frederica Bowcutt 1984-6-23 427 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along the Sonoma County coast. Immediately SW of park entrance, West of Highway 1 and NW of Gerstle Cove along park road. 30 Comment
  UCR279616  Juncus hesperius Peter Rubtzoff 1959-6-20 4178 Sonoma Willow Creek Marsh 9 Comment
  UCD148464  Juncus hesperius Peter Rubtzoff 1963-7-27 5213 Sonoma Duncans Mills Marsh. Comment
  UCD161770  Juncus nevadensis James A Neilson Jr. 1976-5-10 s.n. Sonoma Mayacmas Mountains. Aidlin-Gouvea Leasehold. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC320577  Kickxia Peter Rubtzoff 1970-9-8 6381 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  UCD85860  Koeleria macrantha P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga - Petrified Forest Road. Comment
  UCD85986  Koeleria macrantha R. Tofsrud 1941-5-1 121 Sonoma Santa Rosa. Comment
  CAS-BOT-BC273783  Koeleria pyramidata Catherine Best 1993-5-6 1414 Sonoma Pepperwood, in Weimar Meadow Comment
  CAS-BOT-BC273785  Koeleria pyramidata G. DeNevers 1981-5-9 1045 Sonoma Pepperwood Ranch. Along the road cut above the Strebel Homestead Comment
  CAS-BOT-BC273787  Koeleria pyramidata G. DeNevers 1981-5-23 1289 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  CAS-BOT-BC273789  Koeleria pyramidata G. DeNevers; J. Shumate 1981-7-25 1865 Sonoma Pepperwood Ranch. W of 3 Tree Hill Comment
  CAS-BOT-BC340484  Lactuca saligna John Thomas Howell 1957-10-12 33001 Sonoma About 1 mi. sw. of Sonoma Comment
  SBBG612  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mi N of Steward Pt Comment
  UCD63258  Lagurus ovatus P. G. Connors 1991-5-23 109 Sonoma University of California Bodega Marine Laboratory, beside Westside Rd., near Westside Park. Comment
  UCD63259  Lagurus ovatus Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 28 A Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. 30 Comment
  UCD63321  Lamarckia aurea Freed W. Hoffman 1941-4-25 2239 Sonoma Luttrell Ranch, near Guerneville. Comment
  CAS-BOT-BC173572  Lamiaceae Peter Rubtzoff 1958-9-1 3964 Sonoma Guerneville region, Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC164406  Lamiaceae Peter Rubtzoff 1954-8-4 1648 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC486685  Lamiaceae Peter Rubtzoff 1957-6-28 3374 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC486687  Lamiaceae Peter Rubtzoff 1963-8-17 5230 Sonoma Russian River Mouth Marsh Comment
  CAS-BOT-BC486689  Lamiaceae Peter Rubtzoff 1971-6-25 6565 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing Comment
  SD56365  Lamium purpureum Wayne Roderick 1962-3-20 Sonoma Near Sebastopol Comment
  CAS-BOT-BC346334  Lasthenia californica John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53978 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles ne of Penngrove on the west slope of Sonoma Mountain 457 Comment
  SEINET7067233  Lasthenia californica A. G. Vestal 1947-5-12 s.n. Sonoma About 1 miles east of Occidental on the Occidental Road. Coordinate datum: NAD27. UTM Zone 10, 506054mE, 4250802mN. 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
  RSA585979  Lasthenia californica Adree M. Desrochers 1990-4-23 480 Sonoma 12 miles S of Fort Ross State Historic Park; on W side of Hwy 1. Comment
  UCD33659  Lasthenia californica subsp. macrantha Beecher Crampton 1971-6-6 8720 Sonoma Carmet, Sonoma Coast State Park. Comment
  LA102440  Lasthenia californica subsp. macrantha John C. Roos; 1950-7-22 4867 Sonoma Jenner 30 Comment
  SJSU11865  Lasthenia californica subsp. macrantha S. H. Casey 1969-5-13 243 Sonoma Sea Ranch, 3 mi N of Stewarts Point Comment
  UCSB50244  Lasthenia chrysostoma John Gray 1976-5-1 8 Sonoma collected in the bluffs at Duncan's Landing, in the Sonoma Coast Beaches Duncan's Landing, and Sonoma Coast Beaches 15 Comment
  JEPS104665  Lasthenia conjugens Sarah Lynch and Geoff Monk 2003-5-1 Sonoma Martinelli Ranch off Stage Gulch Road at Petaluma Road, Petuluma 85 Comment
  RSA123035  Lasthenia macrantha subsp. bakeri H. S. Yates 1934-4-21 3787 Sonoma Near Bodega 61 Comment
  SBBG7773  Lasthenia macrantha subsp. macrantha H. and M. Dearing 1939-5-14 3366 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  SD112563  Lasthenia minor subsp. maritima Darley F. Howe 1966-6-2 4259 Sonoma Coast,4.0 miles north of Bodega Bay on Highway 1. Comment
  UCSC000800  Lasthenia minor subsp. minor R. D. Williams 2000-3-31 18 Sonoma Plentiful in moist, sandy soil on the edge of the bluff above the ocean north of Bay Bodega Bay Comment
  RSA783473  Lathyrus Peter Rubtzoff 1971-6-23 6551 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive Comment
  UCD166119  Lathyrus Peter Rubtzoff 1972-5-25 6769 Sonoma Laguna, Chileno Valley. Comment
  CDA20555  Lathyrus hirsutus A. Stephens 2005-6-16 PDR 1293626 Sonoma North Coast; Petaluma Hill Rd, Petaluma. 44 Comment
  CDA4178  Lathyrus hirsutus T. C. Fuller 1969-10-1 18964 Sonoma Two different ranches north & south of Santa Rosa. 0 Comment
  UCR141954  Lathyrus sphaericus Beecher Crampton 1966-5-10 7723 Sonoma Coast Range, 6.5 miles north of Sonoma on State Hwy 12, Calif. Dept. of Forestry Glen Ellen station 76 Comment
  UCD106476  Lathyrus vestitus G. F. Hrusa 1995-4-2 12043 Sonoma Franz Valley Rd. approx 3 m. W of Knights Valley intersection with Hwy. 128. Comment
  UCD167407  Lathyrus vestitus James Neilson 1977-3-25 3850 Sonoma Mayacmas Mountains, Pine Flat Rd ca. 2 miles south of PG and E storage yard at Pine Flat. (Exact location unknown. Coordinates estimated by label maker.) 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
  HSC14709  Lathyrus vestitus subsp. vestitus James Faro 1962-4-18 25 Sonoma About 4.5 mi. N of Guerneville on the Old Cazadero Rd. 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
  UCR244753  Layia Peter Rubtzoff 1966-5-29 5730 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Rd. 29 Comment
  UC913069  Layia chrysanthemoides David D. Keck 1933-5-28 2320 Sonoma 3.4 mi e Shellville (just e of intersection of Sonoma Road) Comment
  UC913070  Layia chrysanthemoides David D. Keck 1931-4-2 997 Sonoma Boyes Springs 30 Comment
  CAS-BOT-BC379620  Layia platyglossa A. A. Heller 1903-4-23 6608 Sonoma Fort Ross Comment
  CAS-BOT-BC379622  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 miles south of Jenner Comment
  UC57867  Layia platyglossa A. A. Heller 1903-4-23 6608 Sonoma Fort Ross Comment
  UC584226  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 mi s Jenner Comment
  CAS-BOT-BC274361  Leersia oryzoides Peter Rubtzoff 1961-10-15 4759 Sonoma Vacation Beach, 2 mi. below Guerneville Comment
  UCD63606  Leersia oryzoides Freed W. Hoffman 1943-10-26 Sonoma Russian River, near Guerneville. Comment
  UCD126394  Legenere limosa Peter Rubtzoff 1969-5-24 6051 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road. 426 Comment
  CAS-BOT-BC534357  Lemna aequinoctialis Peter Rubtzoff 1965-9-5 5646 Sonoma Russian River at Forest Hills (5.5 mi. east of Guerneville) Comment
  UC971684  Lemna gibba Leo Koch 1940-6-12 1011 Sonoma 3 mi n of Santa Rosa (behind Fountaingrove Vineyard along Highway 101) Comment
  CAS-BOT-BC210108  Lemna gibba Peter Rubtzoff 1969-7-13 6111 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road Comment
  CAS-BOT-BC534366  Lemna minor Greg de Nevers 1995-4-5 10712 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  UCR255528  Lemna minor Peter Rubtzoff 1958-7-19 3781 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC183613  Lemna minor Peter Rubtzoff 1965-11-9 5669 Sonoma Willow Creek Marsh. Comment
  RSA0025210  Lemna minor Peter Rubtzoff 1962-8-24 5067 Sonoma Guerneville Marsh. Comment
  UC1019908  Lemna minuscula Peter Rubtzoff 1951-6-17 287 Sonoma Pitkin Marsh near Forestville; Pitkin Marsh Comment
  UC1101272  Lemna minuscula Malcolm A. Nobs, S. Galen Smith 1949-8-1 1105 Sonoma 2 mi e of Stewart's Point (on road to Geyserville) Comment
  UCR256959  Lemna minuta Peter Rubtzoff 1962-5-11 4815 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  UCD166177  Lemna valdiviana Peter Rubtzoff 1969-7-5 6105 Sonoma Pond 5.25 mi. NE of Penngrove near Lichau Road. Comment
  UCR256273  Lemna valdiviana Peter Rubtzoff 1954-7-29 1612 Sonoma Guerneville Marsh Comment
  UCR256525  Lemna valdiviana Peter Rubtzoff 1958-6-1 3686 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road 30 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-BC12657  Lepidium nitidum G. DeNevers 1982-3-28 1936 Sonoma Pepperwood Ranch. In the meadow by the Pepperwood barn. 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
  CAS-BOT-BC12970  Lepidium strictum John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells 1982-4-28 54673 Sonoma Bouverie Audubon Preserve, about 1.5 mile east of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC12968  Lepidium strictum John Thomas Howell; Catherine Best 1981-4-2 53934 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, Sonoma Mountain east of Cotati. 457 Comment
  UCD115834  Lepidium strictum Caitlin Lewis; William Mutch 1993-4-17 12 Sonoma About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile. Near visitor center. 365 Comment
  UCD161364  Leptosiphon acicularis James A Neilson Jr. 1976-5-5 3697 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road. Aidlin-Gloved Leasehold, alternate well site #2. (Coordinates and location estimated by label maker.) Comment
  CAS-BOT-BC361344  Leptosiphon harknessii Greg de Nevers 1997-4-24 10968 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC226701  Leptosiphon jepsonii D. E. Breedlove 1983-4-11 58684 Sonoma Pepperwood Ranch W of Knights Valley Comment
  JEPS86801  Lessingia arachnoidea Jack and Betty Guggolz 1991-7-20 1212 Sonoma about 2 1/4 mi nw of Camp Meeker 182 Comment
  JEPS87256  Lessingia arachnoidea Jack and Betty Guggolz 1992-8-29 1339 Sonoma about 2 1/4 mi nw of Camp Meeker 207 Comment
  UCD77821  Lessingia nemaclada Robert E. Preston 1998-5-22 1105 Sonoma Myers Ranch, 2 mi NE of Occidental. 182 Comment
  JEPS128237  Lessingia ramulosa Roger Raiche 2000-8-18 145 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS86314  Lessingia ramulosa Jack and Betty Guggolz 1988-8-27 987 Sonoma n side Morelli Lane Comment
  CAS-BOT-BC376325  Leymus triticoides Greg de Nevers 1993-7-27 10476 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa E base of Telegraph Hill 400 Comment
  UCD166467  Leymus triticoides Peter Rubtzoff 1956-9-22 2941 Sonoma Vacation Beach, near Guerneville. Comment
  JEPS86739  Lilaea scilloides Jack and Betty Guggolz 1990-4-4 1024 Sonoma w of Paradise Lane (s of Piner Road) 30 Comment
  CAS-BOT-BC451700  Lilaea scilloides Alice Eastwood 1921-4-24 10362 Sonoma Santa Rosa Comment
  CAS-BOT-BC451702  Lilaea scilloides Lewis S. Rose 1962-4-11 62019 Sonoma Laguna de Santa Rosa, 1/2 mi. e of Cunningham 15 Comment
  CAS-BOT-BC451711  Lilaea scilloides Peter Rubtzoff 1958-5-3 3609 Sonoma Atascadero Creek Marsh. Comment
  IRVC1238007  Lilaea scilloides J. H. Weiler, D. Kaplan 1961-3-27 6163 Sonoma 4.4 miles north of Sears Point. Roadside ditch with running water along Highway 37. Comment
  POM109718  Lilium humboldtii subsp. humboldtii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncans Mills Comment
Read comments Feb 5 2011
  JEPS77858  Limnanthes alba Robert M. Lloyd 1961-5-8 3623 Sonoma Sobre Vista Rd w Aqua Caliente (0.9 mi n of Arnold Dr.) Comment
  JEPS19609  Limnanthes douglasii W. L. Jepson 1921-5-6 9187 Sonoma Porter Creek Comment
  UCSB22630  Limnanthes douglasii McCarthy, Sharon 1965-4-17 Sonoma At corner of 5th St. West and MacArthur St. 25 Comment
  RSA184883  Limnanthes douglasii subsp. douglasii L. S. Rose 1965-4-4 65020 Sonoma Sonoma. 24 Comment
  RSA178016  Limnanthes douglasii subsp. douglasii Robert F. Thorne 1965-4-19 34274 a Sonoma Titus Ranch, Valley Ford. 18 Comment
  RSA620404  Limnanthes douglasii subsp. douglasii Greg de Nevers 1993-4-15 10373 Sonoma Healdsburg. Healdsburg Ave., open field opposite the lumber mill. 61 Comment
  CAS-BOT-BC123077  Limnanthes vinculans Peter Rubtzoff 1966-4-30 5699 Sonoma Todd Rd., 1.4 mi from Hwy 116 and 0.6 mi. from Llano Rd. Comment
  CAS-BOT-BC45946  Limnanthes vinculans Peter Rubtzoff 1958-5-11 4825 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  JEPS39648  Limnanthes vinculans Robert Ornduff 1965-5-8 6864 Sonoma se of Cunningham (at junction of Hessel Road and Calif. Hwy. 116) Comment
  RSA215942  Limnanthes vinculans Peter Rubtzoff 1958-5-17 s.n. Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Rd.) Comment
  RSA800897  Limosella acaulis Peter Rubtzoff 1970-9-16 6220 Sonoma 5 miles north of Sears Point. Comment
  UC908637  Linanthus acicularis Mrs. H. P. Bracelin and Susan Stokes 1930-7-27 3 Sonoma 2 mi n Bodega Comment
  UC157927  Linanthus androsaceus Milo S. Baker 1898-4-27 624 Sonoma Peach Flat Comment
  UC907842  Linanthus bicolor Herbert L. Mason 1943-4-16 12569 Sonoma about 10 mi above Sonoma Comment
  SEINET8724410 Image available Lithocarpus densiflorus L. Fallon 1939-1 s.n. Sonoma 15 miles west of Santa Rosa. Comment
  UCD102729  Lithophragma heterophyllum S. P. Lynch 1974-3-14 392 Sonoma 6 mi. W of Callistoga on 128. Comment
  CAS-BOT-BC283294  Lolium multiflorum David L. Morgan 1956-5-13 s.n. Sonoma 3 miles W of Petaluma on I St. Ext. Comment
  UCD66467  Lolium perenne Beecher Crampton 1957-7-11 4306 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  CAS-BOT-BC376391  Lomatium Greg de Nevers 1993-5-10 10443 Sonoma Harrison Grade. 182 Comment
  UCD167360  Lomatium californicum James Neilson 1981-5-28 4036 Sonoma Mayacmas Mountains. The Geysers. Vicinity of PG and E lookout. (Exact location unknown. Coordinates estimated by label maker.) Comment
  SBBG26774  Lomatium caruifolium L. Constance, R. C. Rollins 1942-5-10 Sonoma 4 mi N of Geyserville 60 Comment
  RSA452095  Lomatium dasycarpum subsp. dasycarpum L. S. Rose 1941-5-22 31247 Sonoma Rincon Ridge, 4 miles east of Santa Rosa 122 Comment
  UC1348892  Lomatium dasycarpum subsp. dasycarpum Robert F. Thorne 1965-4-20 34372 Sonoma ca. 6 mi. n. Sonoma (ca. 4 mi. up Cavedale Rd.) 411 Comment
  CAS-BOT-BC217808  Lomatium repostum Walter Knight; Irja Knight 1985-7-21 6256 Sonoma Pine Flat Rd. Comment
  JEPS86814  Lomatium repostum Jack and Betty Guggolz 1991-5-4 1127 Sonoma <firebrake> on s. side Bradford Mt. (1 mi. w. of Dry Creek Rd.) 341 Comment
  SD71327  Lomatium repostum John Thomas Howell 1966-6-2 41551 Sonoma Hills east of Agua Caliente Comment
  UCD144574  Lomatium repostum Frederica Bowcutt 1994-6-25 1922 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Brushy Peaks Trail about 1/4 mi E from Gray Pine Trail. 670 Comment
  UC21208  Lomatium utriculatum F. T. Bioletti 1893-6-10 Sonoma Hood's Peak Comment
  UCD127724  Lomatium utriculatum Jennifer Bury; Peggy Herzog 1993-5-8 261 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
  CAS-BOT-BC240646  Lonicera hispidula Walter Knight; Irja Knight 1963-10-3 318 Sonoma Crane Canyon Comment
  UCD137317  Lonicera hispidula Mary M. Hektner 1974-7-8 138 Sonoma along State Highway 1, just north of Whalebone Reach, Unit 24 Owners' Map, Sea Ranch. Comment
  RSA633341  Lonicera involucrata Michael A. Vincent, Ethan H. Freid 1998-4-8 8173 Sonoma Bodega Bay; 0.5 mile NE of city limits along Rt. 1. Comment
  SEINET5784640 Image available Lonicera involucrata Marcus E. Jones 1882-1 2739 Sonoma Duncan's Mills Comment
  CAS-BOT-BC293671  Lotus Peter Rubtzoff 1971-6-25 6563 Sonoma Intermittent lake off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UCD106701  Lotus angustissimus Robert E. Preston 2000-8-2 1427 Sonoma Ca. 2.5 mi NNE of Fort Ross, Seaview. 381 Comment
  UCD35134  Lotus angustissimus Beecher Crampton 1946-8-16 417 Sonoma Fort Ross. Comment
  UC1057478  Lotus formosissimus G. Thomas Robbins 1937-5-23 211 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Region Comment
  UC15582  Lotus formosissimus Harley P. Chandler 1900-5-25 674 Sonoma Bodega Comment
  SEINET12165156  Lotus humistratus W. Knight, Knight, I.; DrEdwards, S. 1986-1 5353 Sonoma Geyser Peak - access from Healdsbrug-Geysers Rd 853 Comment
  SEINET7042389  Lotus micranthus A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UC80761  Lotus stipularis var. stipularis F. T. Bioletti 1893-6-7 Sonoma Hoods Peak Comment
  POM18957  Lotus unifoliolatus A. A. Heller 1902-8-18 7453 Sonoma Santa Rosa. Comment
  RSA31784  Lotus unifoliolatus A. A. Heller 1938-8-11 15321 Sonoma Knights Valley Comment
  RSA389  Lotus unifoliolatus E. R. Johnson 1928-8-22 1108 Sonoma Russian River, 1/2 mile E of Cloverdale Comment
  UCD66028  Ludwigia hexapetala B. J. Grewell 2006-8-25 06- 53 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Gallo's Laguna Ranch, downstream of Guerneville Rd Bridge/gaging stn. East of Hwy 116, Sebastopol across channel from Laguna Wastewater Treatment Delta Pond discharge. 16 Comment
  UCD66029  Ludwigia hexapetala B. J. Grewell 2006-11-17 06- 96 -LU Sonoma Laguna de Santa Rosa tributary to Russian River at Blucher Creek confluence, CA-Dept Fish and Game's Laguna Wildlife Area, downstream of Todd Rd Bridge s. of Sebastopol. 22 Comment
  CAS-BOT-BC251280  Ludwigia palustris Peter Rubtzoff 1961-10-23 4778 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  CAS-BOT-BC201226  Lupinus A. A. Heller 1937-5-1 s.n. Sonoma Base of the bluff north of the town of Bay, Bodega Bay Comment
  CAS-BOT-BC201288  Lupinus Milo S. Baker 1928-6-28 3193 Sonoma Pitkin's Farm upland -Vine HIll Dist. Comment
  UCD167634  Lupinus albifrons James A. Neilson Jr. 1977-3-7 3846 Sonoma Mayacmas Mountains. Near soulth base Mt. St. Helena. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD106595  Lupinus arboreus Chris Bowen 1976-5-18 120 Sonoma Unit 7 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS64976  Lupinus bicolor var. tridentatus W. L. Jepson 1914-4-11 5802 Sonoma Sonoma Valley 35 Comment
  CDA36829  Lupinus latifolius CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCD151109  Lupinus latifolius James A. Neilson Jr. 1974-6-1 2764 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  SEINET10490797  Lupinus latifolius subsp. latifolius Charles Piper Smith 1948-4-27 Smith 48169 Sonoma Jct melitta - mark west - petrified forest rds. Petrified forest, 2.5 mi. E. Comment
  SEINET12165889  Lupinus micranthus F. H. Utech 1988-1 88 -196 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh and adjoining meadows 10 Comment
  UC155230  Lupinus microcarpus var. densiflorus Katharine Brandegee 1907-6-30 Sonoma Cliffs near Bodega Bay; Cliffs near Bodega Bay Comment
  UCD108644  Lupinus microcarpus var. densiflorus Eric Davidson 1972-5-27 392 Sonoma near dorm at University of California's Bodega Marine Lab, Bodega Head. Comment
  JEPS86805  Lupinus microcarpus var. microcarpus Jack and Betty Guggolz 1991-7-7 1207 Sonoma one mi nnw Camp Meeker (at head of a reservoir on Grub Creek); Grub Creek 91 Comment
  UC727104  Lupinus microcarpus var. microcarpus A. A. Heller 1940-5-17 15635 Sonoma along State Highway #1, one mi e Valley Ford; e of Valley Ford Comment
  SEINET5558926  Lupinus nanus H. S. Gentry 1962-1 19702 Sonoma Oakville. Comment
  UC73201  Lupinus pachylobus Milo S. Baker 1898-4-20 631 Sonoma Taylor Mt. Comment
  POM10847  Lupinus polycarpus M. Alice King 1897-04 128 Sonoma Near Healdsburg Comment
  UC201943  Lupinus rivularis Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  SEINET10870696  Lupinus succulentus Joseph W. Congdon 1880-5-2 Congdon s.n. Sonoma Comment
  SEINET11162202  Lupinus tidestromii W. S. Cooper Sonoma Comment
  UC1129737  Lupinus variicolor H. S. Yates 1934-4-21 3776 Sonoma near Bodega; Sebastopol Quadrangle Comment
  JEPS116509  Lupinus variicolor Peter Warner 2009-6-2 118 Sonoma Poff Ranch, Wright Hill Road off State Hwy 1, on N-facing slope about 1.5 km ENE of ranch house and barn 276 Comment
  CAS-BOT-BC210064  Luzula Peter Rubtzoff 1957-5-4 3301 Sonoma Duncans Mills Marsh., upper part of marsh Comment
  CAS-BOT-BC441294  Luzula macrantha D. E. Breedlove 1983-4-11 58685 Sonoma Pepperwood Ranch, W of Knights Valley Comment
  JEPS128351  Luzula parviflora Roger Raiche 2000-4-15 037 .00 Sonoma The Cedars. Azalea Creek, The Blob area, Beargrass Gulch. Lower Russian River, Big Austin Creek watershed. Comment
  RSA0018586  Lythrum Peter Rubtzoff 1970-10-24 6416 Sonoma At Presidio Blvd. and Barnard Avenue, Presidio. Comment
  UC1784223  Lythrum hyssopifolia Ethel Crum 1930-1 731 Sonoma Petaluma Comment
  UCD151200  Lythrum hyssopifolia James A. Neilson Jr. 1974-7-10 2815 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  RSA0015985  Lythrum hyssopifolia Edward Palmer 1892-6-27 2399 Sonoma Petaluma. Comment
  RSA0015999  Lythrum hyssopifolia Peter Rubtzoff 1951-8-19 641 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  UCD164595  Madia Peter Rubtzoff 1975-8-28 8361 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC342617  Madia anomala Alice Eastwood; John Thomas Howell 1938-5-15 5509 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC342619  Madia anomala G. DeNevers 1981-4-20 765 Sonoma Pepperwood Ranch. Pippindale farm. On bench between Studio and the ridge top Comment
  CAS-BOT-BC342621  Madia anomala G. DeNevers 1981-5-15 1213 Sonoma Pepperwood Ranch. Along road to Hansel's Lake (from the bottom of her driveway) Comment
  CAS-BOT-BC344030  Madia elegans J. Clausen 1935-5-24 1081 Sonoma 2 mi. W. of Monte Rio on the road to Jenner Comment
  CAS-BOT-BC344028  Madia elegans Walter Knight; Irja Knight 1963-8-31 174 Sonoma Near corner Todd Road & freeway Comment
  CAS-BOT-BC344032  Madia elegans Peter Rubtzoff 1951-8-26 675 Sonoma Hills south of Guerneville (Neeley Hill area) Comment
  UCR25294  Madia exigua John C. Roos 1957-7-2 6649 Sonoma Miller Ridge Comment
  UCSB45559  Madia exigua Roos, John 1957-7-2 Sonoma Miller Ridge Comment
  CAS-BOT-BC343447  Madia gracilis Peter Rubtzoff 1952-6-10 1234 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC343449  Madia gracilis John H. Thomas 1976-6-18 18360 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville Comment
  CAS-BOT-BC343453  Madia gracilis John Thomas Howell 1937-7-4 13066 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC343455  Madia gracilis John Thomas Howell 1929-6-9 4300 Sonoma 2 miles n. of Sonoma Comment
  CAS-BOT-BC343457  Madia gracilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53968 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC343459  Madia gracilis A. A. Heller 1902-6-23 5738 Sonoma Petrified Forest Comment
  SEINET3148102  Madia gracilis L. S. Rose 1940-5-22 40370 Sonoma Sonoma 30 Comment
  CAS-BOT-BC343466  Madia gracilis G. DeNevers 1981-5-30 1422 Sonoma Pepperwood Ranch. In Garrison yard ruderal Comment
  UCD132825  Madia gracilis Frederica Bowcutt 1994-5-21 1832 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles NW of Napa, 1.5 air miles NE of Kenwood. Along the Hillside Trail 1/2 mile. 396 Comment
  POM53609  Madia gracilis subsp. gracilis Michener, F. T. Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  CAS-BOT-BC345231  Madia sativa James I. McMurphy 1909-8-8 703 Sonoma Leddy, electric r.r. station between Santa Rosa and Sebastopol Comment
  CHSC26310  Maianthemum racemosum P. Kunst 1977-4-12 32 Sonoma 170 Comment
  CAS-BOT-BC511536  Maianthemum racemosum subsp. amplexicaule Saichi Kawahara 1969-3-31 541 Sonoma 50 yards west of Jenner Comment
  CAS-BOT-BC511573  Maianthemum racemosum subsp. amplexicaule A. A. Heller; H. E. Brown 1902-4-11 s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC511575  Maianthemum racemosum subsp. amplexicaule G. de Nevers 1981-3-21 578 Sonoma Jenner. Mouth of Russian River. Coastal Brush. Comment
  UC479391  Malacothrix floccifera Marcus E. Jones, A. M. 1931-8-3 29094 Sonoma Cloverdale Comment
  UCD158739  Malacothrix floccifera James A. Neilson Jr. 1973-7-10 2827 Sonoma Mayacmas Mountains. The Geysers. (Elevation estimated using Google Earth by label maker.) 441 Comment
  CAS-BOT-BC366947  Malacothrix floccifera Greg de Nevers 1997-4-16 10944 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  CAS-BOT-BC540134  Malus domestica Peter Rubtzoff 1955-4-9 1771 Sonoma Forested slope near Occidental-Graton Road, 1/4 mile northest of Occidential-Camp Meeker Road (Occidental region). Comment
  UCD107655  Marah fabacea Lewis S. Rose 1962-4-18 62026 Sonoma Laguna de Santa Rosa, 2 mi. ne. of Graton. 30 Comment
  JEPS42485  Marah oregana W. L. Jepson 1893-5-1 14130 Sonoma e Mark West Springs; Franz Valley Comment
  POM59383  Marah oregana A. A. Heller, H. E. Brown 1902-3-10 5023 Sonoma Hills East of Santa Rosa. Comment
  UCD125027  Marrubium vulgare Frederica Bowcutt 1995-11-19 2063 Sonoma Sugarloaf Ridge State Park. About 50 miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Bald Mountain Trail, immediately on edge of asphalt about 0.5 air mile SSE of Red Mountain. 609 Comment
  CAS-BOT-BC348219  Matricaria discoidea Peter Rubtzoff 1972-5-25 6773 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC348310  Matricaria occidentalis Peter Rubtzoff 1970-5-30 6239 Sonoma 5 mi. north of Sears Point Comment
  CAS-BOT-BC348312  Matricaria occidentalis Peter Rubtzoff 1958-8-9 3835 A Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road) Comment
  CAS-BOT-BC268110  Medicago Peter Rubtzoff; Nancy Harrison 1974-9-7 7874 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  RSA800063  Medicago lupulina Peter Rubtzoff 1969-6-22 6102 Sonoma Forest Hills, 5.5 mi east of Guerneville at 9981 Old River Road. Comment
  UCD107847  Medicago polymorpha P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  UCD161374  Melica James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, (Elevation and exact location estimated by label maker.) 731 Comment
  UCD87220  Melica californica R. Tofsrud 1947-7-1 175 Sonoma Santa Rosa, old cemetery. 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
  UCD87345  Melica geyeri R. Tofsrud 1942-4-1 279 Sonoma Along Mark West road about 3 mi. above the Springs resort. Comment
  RSA123514  Melica harfordii H. S. Yates 1937-5-31 6563 Sonoma 1 mile WSW of Petrified Forest. 274 Comment
  UCD87517  Melica harfordii P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis Road. Comment
  UCR119126B  Melica harfordii Beecher Crampton 1954-5-9 1837 Sonoma Central coast redwood area., 2.5 miles north of Guerneville, on roadside banks. 91 Comment
  SEINET261375 Image available Melica imperfecta P. G. Connors 1990-5-24 15 Sonoma Bodega Head. Bodega Marine Station 1150N 4850E Comment
  JEPS45821  Melica torreyana Eleanor Armstrong 1932-5-19 164 Sonoma Camp Meeker 106 Comment
  UCD89114  Melica torreyana Gerry North 1993-4 5 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. Across road from Goodspeed trailhead pullout. On bank edge above Sonoma Creek. 213 Comment
  SACT001559  Melica torreyana M. Wiesendanger 1927-5-5 Sonoma Comment
  SEINET10599669  Melica torreyana A. Arthur Heller 1902-3-17 Heller 5084 Sonoma Hills near Santa Rosa. Comment
  SEINET10599670  Melica torreyana A. Arthur Heller 1902-3-27 Heller 5160 Sonoma Western base of Mt. Hood. Comment
  SEINET10827767  Melica torreyana A. Arthur Heller 1902-4-4 Heller 5316 Sonoma Hills near Santa Rosa. Comment
  UCD89201  Melica torreyana R. Tofsrud 1942-4-1 300 Sonoma Stream bank 3 mi. east of Mark West resort on same road. Comment
  UC1084474  Melilotus albus G. Thomas Robbins 1937-6-18 243 Sonoma Santa Rosa Creek Santa Rosa (bed) Comment
  UCD108097  Melilotus indicus M. Wiesendanger 1927-5-5 717 Sonoma location unknown. Comment
  UCR279859  Melissa officinalis Peter Rubtzoff 1965-9-5 5639 Sonoma North Coast Ranges, Forest Hills, 5.5 miles east of Guerneville 9 Comment
  CAS-BOT-BC164085  Mentha Peter Rubtzoff 1966-10-9 5831 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC166970  Mentha Peter Rubtzoff 1962-10-9 s.n. Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC164083  Mentha Peter Rubtzoff 1960-9-17 4567 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  CAS-BOT-BC164089  Mentha Peter Rubtzoff 1960-9-17 4571 Sonoma Laguna de Santa Rosa, near Trenton (south of Woolsey Road). Comment
  CHSC112548  Mentha Peter Pubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi east of Healdsburg. Russian River. Comment
  RSA784597  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region: Russian River. Fitch Mts. Grove, 2 mi E of Healdsburg. Comment
  POM62998  Mentha X piperita A. A. Heller 1902-7-1 s.n. Sonoma Lagoon at Sebastopol Comment
  UCR280187  Mentha pulegium Peter Rubtzoff 1958-8-9 3830 Sonoma Laguna de Santa Rosa, north of Sebastopol, near Occidental Road 20 Comment
  RSA94355  Mentha pulegium Peter Rubtzoff 1951-7-14 458 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  CAS-BOT-BC164713  Mentha rotundifolia Peter Rubtzoff 1973-8-27 7266 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC166681  Mentha spicata Peter Rubtzoff 1968-7-20 5924 Sonoma Upper Salmon Creek Marsh. Comment
  CDA31024  Mentzelia laevicaulis D. G. Kelch, Troy McGregor 2010-8-22 10 .361 Sonoma Geyser Peak Rd along Sulfur Creek nr historic bridge. Comment
  RSA534492  Mentzelia laevicaulis Peter Rubtzoff 1961-8-26 4724 Sonoma Vacation Beach, 2 mi. below Guerneville. Russian River bottom. Comment
  JEPS42860  Mentzelia laevicaulis var. laevicaulis J. B. Davy 1896-7-23 Sonoma Guerneville Comment
  UCD102803  Micranthes californica Frederica Bowcutt 1996-3-24 2092 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 1/2 air miles W of Mount Saint John, along Brushy Peaks Trail just S of Malm Fork of Sonoma Creek. 426 Comment
  CAS-BOT-BC429004  Micranthes fragosa Milo S. Baker 1927-3-1 2737 d Sonoma Golf Club Links. Comment
  CAS-BOT-BC348624  Micropus californicus var. californicus Alice Eastwood 1921-4-24 10381 Sonoma Santa Rosa 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-BC348730  Microseris bigelovii John Thomas Howell 1931-4-18 6417 Sonoma Mouth of Salmon Creek 2 miles n. of Bay Comment
  CAS-BOT-BC348732  Microseris bigelovii Alice Eastwood 1915-6-29 4870 Sonoma Bodega Point Comment
  CAS-BOT-BC322754  Microseris paludosa John Thomas Howell 1937-6-6 13046 Sonoma 7 miles n. of Petaluma on Stony Point Road Comment
  CAS-BOT-BC311870  Mimulus Peter Rubtzoff 1955-7-9 1928 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC311872  Mimulus Peter Rubtzoff 1976-6-18 8656 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC312708  Mimulus Peter Rubtzoff 1969-5-24 6060 Sonoma Vernal pool 6.5 miles northeast of Penngrove, on Lichan Road 426 Comment
  CAS-BOT-BC320580  Mimulus Peter Rubtzoff 1962-5-30 4849 Sonoma Freestone Marsh. Comment
  RSA0022560  Mimulus Peter Rubtzoff 1970-6-21 6265 Sonoma Along sluggish tributary of Mark West Creek, ca. 3 mi west of Fulton. Comment
  RSA0025400  Mimulus Peter Rubtzoff 1954-7-29 1606 Sonoma Guerneville Marsh. Comment
  UCD161246  Mimulus aurantiacus James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3712 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
  UCD122189  Mimulus aurantiacus Valerie Bullock 1993-5-8 216 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 hillside on base of woodland. 365 Comment
  RSA550833  Mimulus aurantiacus var. aurantiacus David M. Thompson 1992-6-4 1111 Sonoma 7.0 mi S of Mendocino co. line along Hwy 1; 0.5 mi N of Black Point Beach access road 96 Comment
  UCR37730  Mimulus aurantiacus var. aurantiacus A. C. Sanders 1985-1-19 5370 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  UCD39137  Mimulus cardinalis Beecher Crampton 1964-8-18 7144 Sonoma N.E. 'The Geysers', Big Sulphur Creek. Comment
  UCD40972  Mimulus nanus var. mephiticus Collector Unknown 1978-1 s.n. Sonoma 19 miles east of Fallon. (Fallon is in Marin County, but 19 mi E is Sonoma County). 30 Comment
Read comments Mar 13 2006
  UCD84291  Mimulus tricolor Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  JEPS117071  Minuartia californica Peter Warner 2010-3-30 127 Sonoma Annadel State Park, east of Santa Rosa; approx. 200 m south of Cobblestone Trail, approx. 1 km west of Channel Drive. Comment
  CAS-BOT-BC388891  Minuartia douglasii Roxana S. Ferris; Laura Lorraine 1961-6-14 13522 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  CAS-BOT-BC388901  Minuartia douglasii M. S. Baker 1925-4-26 87 a Sonoma Maple Glen Comment
  CAS-BOT-BC435114  Mollugo verticillata Peter Rubtzoff 1958-8-30 3935 Sonoma Vacation Beach, near Guerneville. Bottom of Russian River. Comment
  UC72588  Mollugo verticillata Miss M. Alice King Sept. 1896 Sonoma near Healdsburg (Russian River); Russian River Comment
  CHSC67969  Monardella purpurea Jack Guggolz; Betty Guggolz 1992-3-12 1242 Sonoma W side of Rincon Ridge N of Santa Rosa city. 213 Comment
  LA57191  Monardella purpurea Robert F. Hoover; 1942-7-13 5915 Sonoma 3 mi. S of Monte Rio Comment
  CAS-BOT-BC220386  Monardella purpurea Milo S. Baker 1947-5-30 11781 Sonoma Harrison Grade, ca 2 mi. N.E. of Occidental Comment
  LA37424  Monardella villosa Carl Epling; Ledyard Stebbins, Harlan Lewis 1943-6-17 sn Sonoma Bodega Bay Comment
  UC634860  Monardella villosa subsp. franciscana H. L. Mason 1928-7-10 4883 Sonoma Near Ocean, Jenner Comment
  CHSC68008  Monardella villosa subsp. villosa James Jokerst 1985-5-29 2387 Sonoma Near Cobb Mountain. 1126 Comment
  CAS-BOT-BC314161  Monardella villosa subsp. villosa G. DeNevers 1981-6-6 1475 Sonoma Pepperwood Ranch. Top of Telegraph Hill. 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-BC314210  Monardella villosa subsp. villosa John H. Thomas 1969-9-21 15470 Sonoma Coastal bluffs to the S of the mouth of the Russian River. 121 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-BC445004  Montia fontana Peter Rubtzoff 1966-4-30 5690 Sonoma North side of Hessel Road just west of Hwy. 116. Comment
  UCD144663  Montia parvifolia Frederica Bowcutt 1994-6-12 1874 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 Canyon Trai along edge of Sonoma Creek just E of confluence with Pony Gate Gulch Creek, just S of Adobe Canyon Road. 274 Comment
  RSA264759  Myosotis discolor Peter Rubtzoff 1974-5-25 7475 Sonoma Upper Green Valley Marsh. Comment
  UCR255876  Myosotis discolor Greg de Nevers 1993-5-17 10454 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 220 Comment
  JEPS30065  Myrica californica Alice Louise Griffin Sonoma Stewart's Point Comment
  RSA94652  Myrica californica Peter Rubtzoff 1952-3-23 876 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the upper marsh. Comment
  RSA799987  Myriophyllum brasiliense Peter Rubtzoff 1973-10-10 7334 Sonoma Laguna de Santa Rosa ca. 1 mi east-southeast of Sebastopol. Comment
  RSA800151  Myriophyllum brasiliense Peter Rubtzoff 1963-7-6 5195 Sonoma Laguna de Santa Rosa area east of Cunningham. Comment
  RSA0060104  Myriophyllum hippuroides Greg de Nevers 1996-10-18 10889 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Biggest Double Pond. 91 Comment
  CAS-BOT-BC258916  Myriophyllum verticillatum Peter Rubtzoff 1955-8-13 2039 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  CAS-BOT-BC260071  Nassella lepida John Thomas Howell; et al. 1981-5-14 53946 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  UC1133173  Nassella lepida H. S. Yates 1937-5-31 6567 Sonoma 2 mi sw Petrified Forest; Calistoga Quadrangle 304 Comment
  UCD33091  Nassella pulchra Beecher Crampton 1966-5-10 7721 Sonoma Sonoma County, 3 miles south of Healdsburg next to railroad. Comment
  UCD38706  Nassella pulchra Beecher Crampton 1957-5-16 4041 Sonoma TYPE LOCALITY: 3 miles south of Healdsburg, along US Hwy. 101. Comment
  UCD87696  Nassella pulchra H. S. Yates 1934-4-21 3780 Sonoma Near Bodega. 60 Comment
  UCR197893  Navarretia heterodoxa Calvin McMillan 1949-1 597 Sonoma Trinity Road, 6 miles northeast of Glen Ellen 368 Comment
  UCD48410  Navarretia intertexta Calvin McMillan Date Unknown 597 Sonoma Sonoma County, Trinity Road, 6 miles northeast Glen Ellen. Comment
  POM279099  Navarretia jepsonii Lyman Benson 1930-6-18 s.n. Sonoma South of Santa Rosa. 61 Comment
  UC631637  Navarretia leucocephala subsp. bakeri G. Thomas Robbins 1937-5-23 186 Sonoma near Wright School Comment
  CAS-BOT-BC230376  Navarretia leucocephala subsp. bakeri Niall McCarten 1986-5-28 5260 Sonoma NE end of Shiloh Ranch, 0.25 mile S of N end of Leslie Road on E side of road Comment
  CDA40114  Navarretia pubescens G. D. Barbe 1991-5-15 4412 c Sonoma Along ridge west of Annadel State Park boundary, Santa Rosa. Comment
  UC188522  Navarretia squarrosa J. W. Congdon 1889-7-25 Sonoma Petaluma Comment
  POM225971  Navarretia squarrosa P. A. Munz 1936-8-7 14308 Sonoma 6 miles N of Bodega. Comment
  RSA94068  Navarretia squarrosa J. T. Howell 1947-6-26 23318 Sonoma Cunningham Marsh Comment
  UCD37159  Navarretia squarrosa Beecher Crampton 1957-7-22 4364 Sonoma Sonoma County, Sonoma Coast State Park, 8.2 miles north of Stewart's Point. Comment
  SEINET191457  Navarretia tagetina Lewis S. Rose 1940-5-22 40373 Sonoma Sonomoa 30 Comment
  JEPS70509  Navarretia viscidula W. L. Jepson 1921-6-2 9298 Sonoma w of Windsor Comment
  SEINET8729376 Image available Navarretia viscidula Helen K. Sharsmith 1952-1 4178 Sonoma Stewartt's Point road 12.2 miles west of Skagg's Spring. 579 Comment
  UCD160847  Navarretia vividior James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3294 b Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 716 Comment
  UCD160863  Navarretia vividior James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3294 a Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CHSC57470  Nemophila menziesii John Hale 1990-4-12 19 Sonoma 610 m. N. of Stillwater Cove. 24 Comment
  UC880916  Nemophila menziesii Alice Eastwood 1915-5-1 6843 Sonoma Mt. St. Helena Comment
  CHSC26441  Nemophila menziesii var. atomaria P. Kunst 1977-4-11 20 Sonoma Moist open area within Redwood Forest. 195 Comment
  SBBG6137  Nemophila menziesii var. atomaria H. and M. Dearing 1939-5-14 3359 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UC58514  Nemophila menziesii var. atomaria A. A. Heller 1903-4-23 6600 Sonoma Fort Ross Comment
  CDA20963  Nemophila menziesii var. atomaria G. F. Hrusa, R. Gross 1998-3-14 14152 Sonoma North Coast Biodiversity Arena; Foote Ranch, NW base of Mt. St. Helena, corner of Ida Clayton Rd. & Hwy 128. Comment
  POM65260  Nemophila menziesii var. atomaria A. A. Heller, H. E. Brown 1902-3-29 5181 Sonoma Bodega Bay Comment
  UCD120240  Nemophila menziesii var. atomaria Mary M. Hektner 1975-8-30 190 Sonoma Property of Oceanic Properties, Unit 7 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD120241  Nemophila menziesii var. atomaria Frederic Hrusa 1988-2-21 5501 Sonoma South of Mt. St. Helena. Near Kenwood. Comment
  POM216812  Nemophila menziesii var. menziesii H. F. Copeland 1933-3-18 s.n. Sonoma Field northeast of Santa Rosa. Comment
  UCR265138  Nemophila pedunculata Ann Howald 2015-4-1 3313 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 11.5 miles west of intersection with Rockpile Rd, Warm Springs drainage 408 Comment
  UCR255657  Nicotiana Greg de Nevers 1997-10-17 11106 Sonoma North Coast Range, Santa Rosa, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road 400 Comment
  RSA788377  Nicotiana bigelovii Peter Rubtzoff 1959-9-19 4284 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  SD99414  Notholithocarpus densiflorus var. densiflorus Christopher Davidson 1977-6-17 5874 Sonoma 3 miles west of Guerneville, on state highway 12 14 Comment
  UC161225  Nuphar lutea subsp. polysepala V. King Chesnut Jul 1 1887-Aug 1 1887 Sonoma Santa Rosa Comment
  CAS-BOT-BC140454  Oemleria cerasiformis D. E. Breedlove 1976-3-27 39447 Sonoma Along Dry Creek, ca. 1 mile past Warm Springs Dam Comment
  JEPS77874  Oenanthe sarmentosa Robert M. Lloyd 1965-5-8 3637 Sonoma e. of Cunningham s.e. of Sebastopol (ca. 4 mi. n. of Rte. 116, Llano Rd., upper portion of Laguna de Santa Rosa Marsh); Laguna de Santa Rosa Marsh Comment
  UCD166063  Oenothera Peter Rubtzoff 1971-5-8 6441 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  JEPS66549  Orobanche californica subsp. grayana Peter Rubtzoff 1971-7-23 6615 Sonoma Laguna, Cheleno Valley. Comment
Read comments Apr 3 2019
  CAS-BOT-BC238410  Orthocarpus Charles Piper Smith 1948-6-4 48340 b Sonoma Local road - Sebastopol, 1.5 miles west Comment
  CAS-BOT-BC25976  Orthocarpus faucibarbatus var. albidus David D. Keck; J. Clausen 1935-6-15 3375 Sonoma 3 mi. S. of Russian River mouth Comment
  NY90845  Orthocarpus faucibarbatus var. albidus D. D. Keck 1935-6-15 3375 Sonoma 3 mi. S of Russian River mouth. Comment
  SEINET3143955  Osmorhiza chilensis L. S. Rose 1940-5-6 40263 Sonoma Sonoma Creek Canyon 213 Comment
  SEINET5145410  Oxalis oregana Unknown 1994-4-3 71 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  SEINET12183626  Oxalis oregana F. H. Utech 1988-1 88 -010 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  UCD110971  Oxalis oregana Linda A. Bell 1975-5-18 156 Sonoma on highway 116, 3 miles west of Guerneville. Comment
  CAS-BOT-BC316880  Packera eurycephala var. eurycephala 188- s.n. Sonoma Knights Valley Comment
  CAS-BOT-BC316882  Packera eurycephala var. eurycephala Brandegee s.n. Sonoma unspecified Comment
  SEINET11744645 Image available Packera greenei H. K. Sharsmith 1952-6-18 4127 Sonoma Near junction of Socrates Mine road with Pine Flat-Middletown road, Mayacamas Mountains.; 38.7619444 -122.7583333 975 Comment
  CAS-BOT-BC227646  Panicum Peter Rubtzoff 1973-8-20 7243 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UC1254542  Panicum acuminatum var. acuminatum R. Spellenberg 1964-6-15 402 Sonoma 17 mi e Geyserville; The Geysers, e of Geyserville Comment
  RSA94264  Panicum acuminatum var. acuminatum Peter Rubtzoff 1951-6-7 134 Sonoma Western branch of the Upper marsh; Pitkin Marsh, near Forestville Comment
  UCD88406  Panicum acuminatum var. fasciculatum Beecher Crampton 1957-7-22 4386 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCD88407  Panicum acuminatum var. fasciculatum Beecher Crampton 1957-7-22 4387 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCD88621  Parapholis incurva Beecher Crampton 1957-7-11 4316 Sonoma western edge of Bodega Harbor. About 2 miles, by road, west of the town of Bodega Bay. Comment
  CAS-BOT-BC249263  Parentucellia Peter Rubtzoff 1971-6-10 6538 Sonoma Pitkin Marsh, near Forestville, along western border of the upper part of marsh. Comment
  UC984865  Parentucellia viscosa L. Beane and Lois E. James 1949-5-16 1963 Sonoma about 2 mi s Cloverdale Comment
  CDA32871  Parentucellia viscosa CDFA Staff 1980-1 Sonoma 0 Comment
  UCD15833  Parentucellia viscosa K. Mawdsley 1998-6-30 42 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 Meadow Trail about 100 yds west of Education Center and gate. 350 Comment
  CAS-BOT-BC259689  Paspalum dilatatum John Thomas Howell 1946-8-17 22860 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC154990  Paspalum distichum Peter Rubtzoff 1965-8-16 5607 Sonoma Russina River margin at Forest Hills (5.5 miles E of Guerneville). Comment
  CAS-BOT-BC265698  Paspalum distichum G. DeNevers 1981-6-20 1618 Sonoma Along Mark West Creek, Pepperwood Ranch Comment
  RSA227225  Paspalum distichum Peter Rubtzoff 1954-7-5 1536 Sonoma Guerneville Marsh. Comment
  UC1071574  Paxistima myrsinites E. Armstrong 1934-3-26 905 Sonoma 1 mi. w. Camp Meeker; Sebastopol Quad. 182 Comment
  UC25019  Pectocarya penicillata H. N. Bolander 1864-1 3858 Sonoma Russian River Bed Comment
  CHSC22339  Pedicularis densiflora Robert A. Schlising 1962-3-31 2117 Sonoma California Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  UCD151134  Pedicularis densiflora James A. Neilson Jr. 1973-6-6 3442 Sonoma Mayacmas Mountains. The Geysers. Site III B. (Location of Site III B taken from Neilson 3566 which says it is near Geyser Rock.) 1097 Comment
  UCD151229  Penstemon heterophyllus James A. Neilson Jr. 1974-5-17 2847 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
  SEINET5501471 Image available Penstemon heterophyllus Sally Walker 1981-6-8 s.n. Sonoma E side of Mt St Helena 610 Comment
  RSA727241  Penstemon heterophyllus subsp. purdyi James L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 miles south of Trinity Road and about 5 miles northeast of CA hwy 12, about 13 airline miles southeast of Santa Rosa. 640 Comment
  NY130516  Penstemon sonomensis Miss Atterbury 1891-1 s.n. Sonoma Hoods Peak 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
  CAS-BOT-BC222743  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-9-16 5883 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh Comment
  CAS-BOT-BC222745  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1962-8-3 5017 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC222747  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-9-25 5829 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC222749  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-8-30 5872 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh Comment
  UC1329519  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-8-30 5872 Sonoma Upper Marsh Pitkin Marsh (southern part, near Forestville) Comment
  RSA94300  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1951-9-15 752 Sonoma Pitkin Marsh, near Forestville, western branch of the upper marsh Comment
  RSA224291  Perideridia kelloggii Peter Rubtzoff 1967-9-2 5875 Sonoma Freestone Marsh Comment
  UCD127637  Perideridia kelloggii Frederica Bowcutt 1997-7-19 2189 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 0.5 air mile SE of Red Mountain. Along Vista Traihead, just E. of Bald Mtn Trail and vernal pond. 579 Comment
  UCD127853  Perideridia kelloggii Mary M. Hektner 1976-10-19 271 Sonoma north of draw by intersection of Pacific Reach Road and Wilel Moor Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC258014  Persicaria hydropiper Peter Rubtzoff 1973-9-9 7310 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC418912  Persicaria hydropiperoides Peter Rubtzoff 1960-9-14 4540 Sonoma Laguna de Santa Rosa east of Graton (betw. Occidental and Guerneville roads) Comment
  SJSU5986  Persicaria hydropiperoides C. W. Sharsmith 1972-6-24 7807 Sonoma Laguna de Santa Rosa, N of Sebastopol, E of Graton Comment
  CAS-BOT-BC418901  Persicaria hydropiperoides Peter Rubtzoff 1964-8-20 5471 Sonoma 1 mi. south-east of Jenner (nr. crossing of Hwys. 1 & 12) Comment
  CAS-BOT-BC418910  Persicaria hydropiperoides Peter Rubtzoff 1955-8-27 2099 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC419111  Persicaria lapathifolia Peter Rubtzoff 1958-7-20 3787 A Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd.) Comment
  CAS-BOT-BC419123  Persicaria lapathifolia Walter Knight; Irja Knight 1963-9-29 219 Sonoma On Bodega Ave near Cleveland Lane-Petaluma Comment
  CAS-BOT-BC540804  Persicaria pensylvanica Peter Rubtzoff 1973-9-9 7325 Sonoma Kenwood Marsh. Comment
  UC35660  Petasites frigidus var. palmatus J. Burtt Davy March 1896 1639 Sonoma near Duncan's Mills Comment
  UC75812  Petasites frigidus var. palmatus Milo S. Baker 1898-4-5 7 Sonoma near Stewarts Point (Coast Road) Comment
  UC702959  Phacelia distans John Thomas Howell 1930-6-8 5274 Sonoma sand hills at n end Bodega Bay (type locality region) Comment
  RSA0023069  Phalaris Peter Rubtzoff 1968-6-25 5913 Sonoma Lichan Marsh. Comment
  CAS-BOT-BC258946  Phalaris aquatica Peter Rubtzoff 1961-10-18 4771 Sonoma Cunningham Marsh Comment
  UCR248732  Phalaris aquatica Peter Rubtzoff 1968-6-25 5913 Sonoma Lichau Marsh [5 miles northeast of Penngrove on Lichau Road] 220 Comment
  UC1023572  Phalaris minor Virginia Bufford 1936-5-19 259 Sonoma Bennett Valley 2 or 3 mi from Santa Rosa; Bennett Valley Comment
  CAS-BOT-BC260877  Phleum pratense Peter Rubtzoff 1951-7-7 382 Sonoma Eastern branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC260879  Phleum pratense John Thomas Howell 1945-8-14 21397 Sonoma Perry Marsh Comment
  CAS-BOT-BC260875  Phleum pratense David L. Morgan 1955-7-10 s.n. Sonoma 5th St., Petaluma Comment
  UC23592  Phlox gracilis Alice King Apr 1897 Sonoma Healdsburg Comment
  JEPS128214  Phlox speciosa Roger Raiche 2002-5-26 009 .02 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC251152  Phyla Peter Rubtzoff 1973-9-8 7305 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CDA16372  Phyllospadix scouleri G. F. Hrusa 2000-11-13 15717 Sonoma Kortum trail head to Goat Rock. Comment
  UCD21520  Phyllospadix torreyi Becky Wilson 1973-5-12 71 Sonoma Bodega Bay Head in front of UC Marine Laboratory. Comment
  CAS-BOT-BC140626  Physocarpus capitatus Greg de Nevers 1987-5-11 8179 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC202279  Pickeringia montana var. montana James McMurphy 1909-5-29 s.n. Sonoma Grade, ridge south of the Geysers Comment
  CAS-BOT-BC202280  Pickeringia montana var. montana Mary P. Wells 1983-8-3 s.n. Sonoma Pygmy Forest, Timber Preserve of Oceanic of California, inc., The Sea Ranch Comment
  CAS-BOT-BC202282  Pickeringia montana var. montana Elsa G. Ruckert 1960-5-15 153 Sonoma 4 miles up Triniti [Trinity] Road from junction with Highway 12 Comment
  JEPS46086  Pickeringia montana var. montana Eleanor Armstrong May 1932 502 Sonoma on Occidental Mill rd 2 mi w Sturgeons Mill 60 Comment
  CAS-BOT-BC361362  Pinus attenuata Greg de Nevers 1997-4-16 10935 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  UCD134778  Pinus muricata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. 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
  SEINET3874232 Image available Pinus muricata Ralph R. Wilson 1939-7-25 439 Sonoma North of Ft. Ross.; 0 15 Comment
  UCD134776  Pinus muricata Cathy Hendel 1974-7-25 s.n. Sonoma Sea Ranch, Unit 35-A owner's map, near State Highway 1. Comment
  SEINET10612004 Image available Pinus muricata var. borealis Daniel I. Axelrod 1983-7-7 Axelrod E- 3 Sonoma Vicinity of Salt Point, Sate Highway 1. Site on coarse, thickly bedded Eocene marine sandstone. 76 Comment
  CAS-BOT-BC72731  Pinus sabiniana Walter Knight; Irja Knight 1963-9-1 263 Sonoma Asti Comment
  UCSC008263  Piperia elegans Randall Morgan 1989-1-1 1322 -P Sonoma Malm Flat Trail, Sugarloaf Ridge State Park Comment
  JEPS128340  Piperia transversa Roger Raiche 2010-7-10 032 .10 Sonoma The Cedars. Processing Area. Lower Russian River, Big Austin Creek watershed. Comment
  UCD108193  Pisum sativum Peter H. Raven 1950-4-6 1562 Sonoma Cotoli to Santa Rosa. 152 Comment
  CAS-BOT-BC166764  Plagiobothrys Peter Rubtzoff 1972-4-23 s.n. Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC176381  Plagiobothrys Peter Rubtzoff 1969-5-11 6040 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  UC881363  Plagiobothrys Alice Eastwood 1921-5-8 10482 Sonoma Petaluma Comment
  UCD166130  Plagiobothrys Peter Rubtzoff 1969-5-3 6014 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC166752  Plagiobothrys Peter Rubtzoff 1969-6-15 6091 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  RSA620415  Plagiobothrys bracteatus Peter Rubtzoff 1963-6-6 5169 Sonoma Laguna de Santa Rosa, east of Graton Comment
  SEINET3101780  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-12 s.n Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCD120776  Plagiobothrys bracteatus G. F. Hrusa; R. Gross 1996-6-30 13066 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
  UCD150140  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1. 43 Comment
  UC526161  Plagiobothrys greenei John Thomas Howell 1934-3-27 11803 Sonoma summit of Bennett Valley Road from Glen Ellen to Santa Rosa Comment
  RSA0060110  Plagiobothrys reticulatus Greg de Nevers 1998-5-5 11229 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat. 100 Comment
  RSA785153  Plagiobothrys stipitatus var. stipitatus Peter Rubtzoff 1969-5-3 6017 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UCR279888  Plagiobothrys undulatus Peter Rubtzoff 1972-5-25 6771 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  RSA151887  Plagiobothrys undulatus Robert Ornduff 1960-4-21 6072 Sonoma West edge of Sonoma. Both sides of Hayes St., south of Sonoma Elementary School. Comment
  RSA784982  Plagiobothrys undulatus Peter Rubtzoff 1969-5-24 6062 Sonoma 6.5 miles NE of Penngrove, on Lichan Road. 427 Comment
  CAS-BOT-BC290688  Plantago Peter Rubtzoff 1987-10-17 9876 Sonoma Russian River ca. 6 miles east of Guerneville. Comment
  CAS-BOT-BC258399  Plantago Peter Rubtzoff 1959-6-20 4143 Sonoma Willow Creek Marsh. Comment
  SBBG53025  Plantago erecta M. R. Benedict 1978-4-18 Sonoma Warm Springs Dam site, Dry Crk Valley Comment
  UC1084369  Plantago lanceolata G. Thomas Robbins 1937-3-26 35 Sonoma between Freestone and Bodega Comment
  CAS-BOT-BC258397  Plantago lanceolata Peter Rubtzoff 1959-6-20 4159 Sonoma Willow Creek Marsh. Comment
  UC1057476  Platanthera leucostachys G. Thomas Robbins 1937-5-23 208 Sonoma about 10 mi w Santa Rosa (on Pitkin Ranch, Vine Hill region); Vine Hill Comment
  SD88312  Plectritis ciliosa Darley F. Howe 1972-5-3 Sonoma Ocean bluff 2.5 miles north of Jenner Comment
  POM59703  Plectritis congesta subsp. nitida A. A. Heller 1903-4-23 6603 Sonoma Fort Ross. From type locality. Comment
  UCD148501  Pleuropogon Peter Rubtzoff 1966-4-30 5686 Sonoma On north side of Highway 116, 0.5 miles northwest of Stony Point Road crossing. Comment
  CDA11317  Pleuropogon californicus G. F. Hrusa, A. Buckman, R. Gross 1995-4-1 12032 Sonoma North Coast Biodiversity Arena; LAGUNA DE SANTA ROSA. Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. Moist upper margins of pools. Comment
  UC1751059  Pleuropogon californicus Annetta M. Carter 1934-4-29 510 Sonoma 1 mi. W of Two Rock Junction on rd. to Tomales. Comment
  UC573891  Pleuropogon californicus H. S. Yates 1937-6-5 6575 Sonoma near Wildwood 121 Comment
  UCD21132  Pleuropogon californicus Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 307 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  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
  CAS-BOT-BC260981  Pleuropogon californicus var. californicus David L. Morgan 1961-4-25 8 Sonoma Low wet field near Stemple Creek, NW angle of the junction of Pepper Road wihich runs east to west and Meacham Road coming down from the north, 3 mi. sw. of Cotati Comment
  UCD90133  Pleuropogon californicus var. californicus Beecher Crampton 1955-4-5 2418 Sonoma 3 miles northwest of Cotati, Llano Road. Comment
  UCSB63833  Pleuropogon davyi James D. Jokerst 1993-5-13 3979 Sonoma collected the Sonoma Air Center Sonoma Air Center Comment
  UC1258194  Pleuropogon hooverianus Paul But 1975-4-1 P 25 Sonoma 0.5 mi from Freestone (along Bohemian Hwy at Freeston Flat Road) Comment
  UCD92206  Poa Collector Unknown 1941-5-1 371 Sonoma near Wright School. Comment
  UCR275262  Poa Peter Rubtzoff 1976-5-30 8576 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  RSA0021492  Poa Peter Rubtzoff 1976-5-30 8557 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC255599  Poa annua Peter Rubtzoff 1960-5-22 4401 Sonoma Laguna de Santa Rosa area E of Graton, between Occidental and Guerneville roads Comment
  CAS-BOT-BC255604  Poa annua Peter Rubtzoff 1956-9-14 2858 Sonoma Vacation Beach, near Guerneville, Russian River Bottom Comment
  UCD55143  Poa annua Ellen Dean; Tammie Beyerl 2006-4-28 3025 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. At inlet of small reservoir SE of Pepperwood lake reservoir. 163 Comment
  UCD90530  Poa kelloggii P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC256028  Poa pratensis Catherine Best 1993-5-6 1418 Sonoma Pepperwood Comment
  CAS-BOT-BC256030  Poa pratensis Peter Rubtzoff 1951-6-7 128 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC256032  Poa pratensis Peter Rubtzoff 1961-5-24 4594 Sonoma Upper Stemple Creek Marsh Comment
  RSA126953  Poa pratensis H. S. Yates 1936-5-16 5602 Sonoma 2 miles SE of Forestville 30 Comment
  RSA227234  Poa pratensis Peter Rubtzoff 1960-6-8 4465 Sonoma Fife Creek Marsh. Comment
  JEPS75076  Poa pratensis subsp. pratensis Edward Lee 1934-4-30 754 Sonoma 1 mi w 2 Rock Junction Comment
  CAS-BOT-BC243250  Poa secunda subsp. secunda Catherine Best 1980-4-16 s.n. Sonoma Westerbeke Ranch near El Verano Comment
  CAS-BOT-BC243252  Poa secunda subsp. secunda G. DeNevers 1981-4-25 803 Sonoma Pepperwood Ranch. Along Franz Valley Road below lower Pepperwood entrance Comment
  CAS-BOT-BC243201  Poa secunda subsp. secunda David L. Morgan 1961-4-12 s.n. Sonoma 4 miles W of Fallon Comment
  UCD91674  Poa secunda subsp. secunda P. B. Kennedy 1919-8-18 X 3270 Sonoma Chiquita. Comment
  CAS-BOT-BC244194  Poa trivialis Peter Rubtzoff 1962-5-25 4831 Sonoma Laguna de Santa Rosa N of Sebastopol, near Occidental Road crossing Comment
  CAS-BOT-BC244200  Poa trivialis Roxana S. Ferris; Laura Lorraine 1961-6-14 13542 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  CAS-BOT-BC244202  Poa trivialis John Thomas Howell 1951-5-28 27495 Sonoma Laguna E of Sebastopol Comment
  RSA227197  Poa trivialis Peter Rubtzoff 1955-7-17 1972 Sonoma Guerneville Marsh. Comment
  UCD92101  Poa trivialis Roxana S. Ferris; Laura Lorraine 1961-6-14 13542 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner. Comment
  UCSB50250  Poa unilateralis Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach; T6N R11W 15 Comment
  JEPS83507  Pogogyne douglasii Jack and Betty Guggolz 1985-5-12 708 BG Sonoma from wet vacant lot north of Arata Lane on the west side of Old Redwood Highway Comment
  UC25594  Pogogyne douglasii subsp. parviflora H. N. Bolander April 1864 3901 Sonoma Mark West Comment
  CDA31279  Polygala californica D. G. Kelch, Ed Biffin 2010-5-3 10 .199 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  JEPS128176  Polygala californica Roger Raiche 2001-5-17 025 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UC109718  Polygala californica Mrs. K. Brandegee Sonoma El Verano Comment
Read comments Sep 19 2007
  UCD160122  Polygala cornuta James A. Neilson Jr. 1973-6-3 2993 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-BC110536  Polygonum Peter Rubtzoff; Nancy Harrison; Ruth Hass 1974-8-31 7853 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC290599  Polygonum Peter Rubtzoff 1966-8-25 5802 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD166508  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1956-9-14 2887 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC414116  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1956-9-14 2887 Sonoma Vacation Beach, near Guerneville Comment
  UCD148369  Polygonum aviculare subsp. depressum Peter Rubtzoff 1955-8-7 2034 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC414335  Polygonum aviculare subsp. rurivagum John Thomas Howell 1932-9-18 10780 Sonoma Near Kenwood Comment
  UCR19269  Polygonum convolvulus John C. Roos 1959-7-30 s.n. Sonoma North Coast Ranges, Healdsburg garden Comment
  UCR280149  Polygonum hydropiper Peter Rubtzoff 1973-8-20 7223 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente 38 Comment
  RSA234546  Polygonum hydropiperoides Peter Rubtzoff 1955-8-27 2099 Sonoma Bennett Mtn Lake. Comment
  RSA94326  Polygonum hydropiperoides Peter Rubtzoff 1951-9-2 711 Sonoma N of the Lower marsh, in the creek Comment
  RSA94327  Polygonum hydropiperoides Peter Rubtzoff 1951-7-1 349 Sonoma Margin of Creek at Hwy 12, SE of Forestville Comment
  UC727705  Polygonum lapathifolium Milo S. Baker 1946-8-17 11562 Sonoma The Laguna; at the crossing of the Occidental Rd Comment
  SEINET11933364  Polygonum lapathifolium W. Knight, Knight, I. 1984-1 5050 Sonoma 3 mi up Cavedale Road from Hwy 12 in wet spring area Comment
  SEINET11935785  Polygonum lapathifolium J. T. Vale 1988-1 Sonoma In old bed of Russian River about 1/4 mi below bridge at Hacienda among boulders Comment
  RSA234570  Polygonum punctatum Peter Rubtzoff 1955-8-28 2106 Sonoma Forestville Marsh Comment
  UC42883  Polypodium F. T. Bioletti 1891-12-25 Sonoma Sonoma Comment
  UC62436  Polypodium J. Burtt Davy 1896-3-14 1662 Sonoma Austin Creek 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
  CAS-BOT-BC232934  Polypogon Peter Rubtzoff 1983-8-28 9672 Sonoma Austin Creek, ca. 0.5 mile N of Highway 116 on Cazadero Road Comment
  CAS-BOT-BC312688  Polypogon Peter Rubtzoff 1986-7-13 9723 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA94463  Polypogon australis Peter Rubtzoff 1951-7-1 327 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  UCD91308  Polypogon monspeliensis Beecher Crampton 1964-8-18 7141 Sonoma Northeast Sonoma County: 'The Geysers'. Geyser Creek. Comment
  CAS-BOT-BC237614  Polypogon viridis Peter Rubtzoff 1956-9-11 2849 Sonoma Vacation Beach, Russian River near Guerneville Comment
  UCD91467  Polypogon viridis David L. Morgan 1956-6-26 s.n. Sonoma Bank above Shell Beach, 1/4 mi. S. of Goat Rock, just off State Highway #1. Comment
  CAS-BOT-BC72172  Polystichum californicum Marcus E. Jones 1931-7-5 29162 Sonoma The Geysers Comment
  CAS-BOT-BC72173  Polystichum californicum Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  UC727666  Polystichum californicum Milo S. Baker 1944-12-31 10889 Sonoma 1 1/2 mi w El Verano (Fowler Canyon) Comment
  UCR222529  Polystichum imbricans subsp. imbricans George K. Helmkamp, E. A. Helmkamp 2010-6-5 16248 Sonoma North Coast Ranges, Vellutini Road, 1.3 miles northwest of its junction with Martinelli Road, 3.5 air mi. ESE (98 deg. ) of Guerneville 44 Comment
  UCR128486  Polystichum munitum John Taylor, Connie Taylor 1971-5-29 8031 Sonoma 1 mile north of Guerneville at Kings Canyon Camp, in coastal hills 20 Comment
  UCD136561  Polystichum munitum Botany 102 Students 1993-5-8 103 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon. Comment
  CAS-BOT-BC376302  Portulacaceae Greg de Nevers 1989-2-1 9036 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Murry. 400 Comment
  CAS-BOT-BC267173  Potamogeton foliosus Peter Rubtzoff 1955-9-10 2133 Sonoma E Guerneville, near Guerneville, in a small pool in a Russian River Island Comment
  CAS-BOT-BC267175  Potamogeton foliosus 1877-6-6 s.n. Sonoma Russian River, Guerneville Comment
  CAS-BOT-BC453750  Potamogeton natans Peter Rubtzoff 1955-8-13 2040 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC272848  Potamogeton nodosus Peter Rubtzoff 1974-6-22 7619 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC454081  Potamogeton pusillus subsp. pusillus Greg de Nevers 1991-6-23 9754 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In Loch Haven Lake. 500' elevation. 475 Comment
  CAS-BOT-BC141954  Potentilla anserina subsp. pacifica Peter Rubtzoff 1955-8-20 2066 Sonoma Bodega Harbor Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC141960  Potentilla anserina subsp. pacifica Ella Dales Cantelow 1938-5-7 2404 Sonoma 2 1/2 mi n.w. of Bodega Comment
  SDSU9862  Primula hendersonii D. F. Howe 1972-2-20 4804 Sonoma Trinity Road, Mt. Hood Range. Comment
  CAS-BOT-BC516400  Prosartes hookeri G. DeNevers 1981-5-9 1082 Sonoma Pepperwood Ranch Comment
  UCD36685  Prunella vulgaris Beecher Crampton 1955-6-17 2934 Sonoma 0.5 mile south of Guerneville. Comment
  NY622090  Prunella vulgaris var. atropurpurea A. A. Heller 1902-6-4 5639 Sonoma Santa Rosa Comment
  RSA120750  Prunella vulgaris var. lanceolata S. S. Tillett 1956-6-20 568 Sonoma on hillside overlooking Drake Memorial, Drakes Bay, Point Reyes Peninsula Comment
  CAS-BOT-BC159846  Prunus cerasifera Greg de Nevers 2002-3-12 12646 Sonoma North of Stewart Creek, near old homestead. Bouverie Audubon Preserve, Highway 12, Glen Ellen Comment
  CAS-BOT-BC357167  Pseudognaphalium luteoalbum Walter Knight; Irja Knight 1985-9-23 5180 Sonoma Lower Tubbs Island, 1/4 mile from San Pablo Bay 0 Comment
  CAS-BOT-BC357169  Pseudognaphalium luteoalbum Mary P. Wells 1984-7-20 420 Sonoma In So. Fork Gualala River near The Sea Ranch Comment
  CAS-BOT-BC361620  Pseudognaphalium stramineum Walter Knight; Irja Knight 1963-8-31 182 Sonoma Magnolia Ave. in ditch - Petaluma Comment
  CAS-BOT-BC361622  Pseudognaphalium stramineum Volney Rattan No date on label s.n. Sonoma Guerneville Comment
  CAS-BOT-BC80179  Pseudotsuga menziesii Irja Knight; Walter Knight 1963-12-27 464 Sonoma Pine Flat Rd., Circle 8 Ranch Comment
  POM21757  Pseudotsuga menziesii A. A. Heller, H. E. Brown 1902-3-31 5188 Sonoma Mt. Hood Comment
  NY621795  Pseudotsuga menziesii B. Crampton 1960-10-10 5789 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
  JEPS46756  Pseudotsuga menziesii var. menziesii W. L. Jepson 1931-7-19 15955 Sonoma Watson School near Bodega Comment
  CAS-BOT-BC166710  Psilocarphus Peter Rubtzoff 1959-6-20 4150 Sonoma Willow Creek Marsh Comment
  RSA94031  Psilocarphus brevissimus M. S. Baker 1928-5-26 3027 Sonoma Near summit of Bennet Val. Road. Comment
  UCD137795  Pteridium aquilinum var. pubescens Ivette Loredo-Prendeville; Nicole Canon 1993-4-4 59 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 195 Comment
  POM165161  Pterostegia drymarioides A. A. Heller, H. E. Brown 1902-5-27 s.n. Sonoma Bodega Bay. 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
  RSA74444  Pteryxia terebinthina var. californica Milo S. Baker 1947-5-30 11775 Sonoma It is located 2 miles NE of Occidental along Harrison Grade. Comment
  UC1348906  Pteryxia terebinthina var. californica Robert F. Thorne 1965-4-19 34306 Sonoma W.-facing serpentine slope in mixed evergreen forest; W of Stoetz Roadd off of Harrison Grade, ca. 2 miles NNE of Occidental 182 Comment
  UCD93362  Puccinellia nutkaensis Beecher Crampton 1957-7-11 4314 Sonoma At the western edge of Bodega Harbor, about 2 miles by road, west of the town of Bodega Bay. Comment
  CAS-BOT-BC366943  Pyracantha crenulata Greg de Nevers 1993-7-10 10474 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa in creek W of Finnel cabin 400 Comment
  CAS-BOT-BC460848  Pyrola aphylla W. Knight; I. Knight; Dr. Steve Edwards 1986-6-8 5449 Sonoma Cherry Creek Road W of Cloverdale Comment
  UC1333290  Pyrola picta Malcolm L. Byce 1936-5-18 615 Sonoma 3 1/2 mi w of Cazadero (Ward Creek); Ward Creek Comment
  CDA16004  Quercus X chasei G. F. Hrusa, R. Gross 2000-7-26 15684 Sonoma North Coast Biodiversity Arena; Foote Ranch at NE base of Mt. St. Helena. Comment
  UCD45320  Quercus X chasei John M. Tucker 1952-9-20 2624 Sonoma (Q. kelloggii Newb. X Q. agrifolia Nee). California, Sonoma Co.; Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham. Comment
  RSA74458  Quercus X ganderi C. F. Baker 1952-9-20 12518 Sonoma Sonoma County: Voight Ranch Sw of Cunningham Station Comment
  UC424768  Quercus X morehus Milo S. Baker Jun 1929 3570 b Sonoma near Vine Hill School House Comment
  CAS-BOT-BC61631  Quercus agrifolia Lewis S. Rose 1960-9-14 60097 Sonoma Laguna de Santa Rosa 4 mi. ne. of Graton 15 Comment
  CAS-BOT-BC61635  Quercus agrifolia Peter Rubtzoff 1951-8-18 639 Sonoma Pitkin marsh, near Forestville. In area separating the western branch of the Upper Marsh from the eastern Comment
  UC1173733  Quercus agrifolia Joseph P. Tracy 1939-10-14 16513 Sonoma 4 mi SE of Geyserville (Alexander Valley, foothills) 121 Comment
  UC1196504  Quercus agrifolia Joseph P. Tracy 1930-11-30 9272 Sonoma below Knights Valley; North Coast Ranges 152 Comment
  CAS-BOT-BC61634  Quercus agrifolia Margot Lowry 1983-5-1 40 Sonoma ca. one mile from top of Sonoma Mtn Rd., on Sonoma Mtn. 500 Comment
  CDA12908  Quercus agrifolia var. agrifolia G. F. Hrusa, R. Gross 1996-3-31 12741 Sonoma North Coast Biodiversity Arena; On flats near residences of Foote Ranch, NE corner of Hwy 128 and Ida Clayton Rd. Approx. 10 m. N of Calistoga. Comment
  UCSB1142  Quercus berberidifolia Keator, Glenn 1959-4-2 Sonoma 0.7 miles east on Cavedale road and 2.0 miles from Agua Caliente Comment
  CAS-BOT-BC62714  Quercus chrysolepis Irja Knight; Walter Knight 1964-11-15 786 Sonoma Hood's Peak below Johnson Lake Comment
  CAS-BOT-BC62719  Quercus chrysolepis Greg de Nevers 1981-6-27 1675 Sonoma Paperwood Ranch. Walk up the Creek from Frank Valley Road through the Devil's Kitchen Comment
  JEPS37397  Quercus douglasii W. H. Calhoun 1907-10-21 Sonoma Windsor Comment
  UCD149625  Quercus durata G. Ledyard Stebbins 1994-3-23 s.n. Sonoma Pepperwood Preserve Comment
  SEINET12030393  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5103 Sonoma 2.65 mi up Cavedale Rd from Hwy 12 Comment
  SEINET12030395  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5101 Sonoma 3.1 mi up Cavedale Rd from jct of State Rt #12 Comment
  SBBG53020  Quercus durata var. durata M. R. Benedict 1978-4-18 Sonoma above Skaggs Springs Rd ca. 8 mi W of Geyserville Comment
  RSA0089560  Quercus garryana Ann Howald 2015-4-1 3329 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage. 318 Comment
  UCD46201  Quercus garryana Roman Gankin 1967-10-4 1078 7 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  CDA18984  Quercus garryana S. Parnay 2000-8-14 PDR 022421 Sonoma Hidden Oaks Rd., Santa Rosa. 0 Comment
  CAS-BOT-BC105478  Quercus kelloggii Walter Knight; Irja Knight 1964-11-15 780 Sonoma near new Johnson residence on Hood's Peak Comment
  HSC97740  Quercus kelloggii J. M. Tucker 1952-9-20 2624 Sonoma Voight Ranch 1.25 mi (air) SW of Cunningham, back of Voight House Comment
  CAS-BOT-BC62806  Quercus lobata W. R. Dudley 1895-2-23 s.n. Sonoma near Knight Valley Winery Comment
  SEINET12034642  Quercus lobata L. H. Pammel 1899-1 112 Sonoma Asti Comment
  CDA31302  Quercus wislizeni var. wislizeni D. G. Kelch, Ed Biffin 2010-5-3 10 .207 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CAS-BOT-BC368085  Ranunculus aquatilis var. aquatilis Greg de Nevers 1998-4-28 11213 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Westernmost Double Ponds 400 Comment
  UC485122  Ranunculus aquatilis var. capillaceus Franklin P. Nutting Aug 1920 Sonoma Taylor Creek Comment
  UCR255731  Ranunculus aquatilis var. hispidulus Greg de Nevers 1998-4-28 11213 Sonoma North Coast Range, Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CDA24312  Ranunculus californicus T. C. Fuller 1977-4-21 20199 Sonoma North of the fence of the Church of Christ, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  CAS-BOT-BC378676  Ranunculus californicus var. californicus A. A. Heller 1902-3-16 5078 Sonoma Near Trenton Comment
  CAS-BOT-BC378684  Ranunculus californicus var. californicus Mrs. H. C. Cantelow 1936-1-26 1118 Sonoma cliff above Bodega Bay Comment
  CAS-BOT-BC378704  Ranunculus californicus var. californicus Peter Rubtzoff 1969-6-14 6072 -C Sonoma vernal pool 6.5 mi northeast of Penngrove, on Lichen Road 426 Comment
  RSA534579  Ranunculus lobbii Peter Rubtzoff 1962-4-11 s.n. Sonoma Americano Creek area just south of Bloomfield, near Petaluma-Valley Ford Road Comment
  POM268847  Ranunculus muricatus R. C. Bacigalupi 1926-5-2 1368 Sonoma Cazadero. Comment
  UC1542899  Ranunculus muricatus H. E. and S. T. Parks 1930-5-9 617 Sonoma Alexander Valley; on creek entering valley Comment
  JEPS128334  Ranunculus occidentalis Roger Raiche 2010-4-17 015 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. 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
  UC1542900  Ranunculus occidentalis H. E. and S. T. Parks 1930-5-9 614 Sonoma Alexander Valley; on banks of stream entering valley Comment
  UC483314  Ranunculus orthorhynchus var. bloomeri Ira L. Wiggins 1932-3-12 5757 Sonoma Knight's Valley Comment
  SDSU10124  Ranunculus uncinatus D. F. Howe 1972-5-2 4820 Sonoma Trail above Duncan Mills pond. Comment
  SDSU10151  Reseda luteola D. F. Howe 1977-10-10 5016 Sonoma W. of Petaluma on D3 near Marin Co. 47 Comment
  SEINET12210981  Rhamnus californica W. Knight, Knight, I. 1984-1 5005 Sonoma Gualala Point Regional Park, in picnic area with grand firs and Douglas firs 11 Comment
  CAS-BOT-BC55941  Rhamnus crocea Walter Knight; Irja Knight 1963-12-27 458 Sonoma Pine Flat Rd. Comment
  CAS-BOT-BC55945  Rhamnus crocea G. DeNevers 1981-4-30 893 Sonoma W arm of Garrison Canyon Comment
  CAS-BOT-BC55944  Rhamnus crocea G. DeNevers 1981-6-27 1695 Sonoma On a walk from Franz Valley Road up the main Creek draining the Devil's Kitchen and West along a chaparral ridge Comment
  CAS-BOT-BC53743  Rhododendron columbianum Peter Rubtzoff 1951-7-22 540 Sonoma Pitkin Marsh, near Forestville - Northern half of Lower Marsh Comment
  SBBG50850  Rhododendron neoglandulosum M. Yeargan 1973-5-30 83 Sonoma 3 mi SE of town of Stewarts Point Comment
  CDA21389  Rhododendron occidentale G. F. Hrusa 1989-5-21 7036 Sonoma Austin Creek State Recreation Area; Canyon of Gilliam Creek at base of slope below Redwood Lake. 198 Comment
  UC22146  Rhododendron occidentale W. H. Brewer 1861-11-9 859 Sonoma nw of Mount St. Helena Comment
  UC750808  Rhododendron occidentale Charles B. Heiser Jr. 1946-5-19 1750 Sonoma Vine Hill Region, Pitkin Marsh Pitkin Marsh; Vine Hill Region, Pitkin Marsh Comment
  UCD117989  Rhododendron occidentale J. M. Tucker 1952-5-4 2361 Sonoma On bank of the Wheatfield Fork of the Gualala River, beside road from Geyserville to Stewart's Point, ca. 12 miles east of Stewart's Point. Comment
  CHSC114305  Rhododendron occidentale var. occidentale G. F. Hrusa 1989-5-8 7006 Sonoma North Coast Ranges. Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  CAS-BOT-BC111866  Rhynchospora alba John Thomas Howell; Hans Leschke 1945-5-30 20896 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111893  Rhynchospora californica John Thomas Howell 1945-7-18 21321 Sonoma Pitkin Marsh 182 Comment
  CAS-BOT-BC111895  Rhynchospora californica John Thomas Howell 1945-8-14 21382 Sonoma Perry Marsh 182 Comment
  UC1100685  Rhynchospora californica Herbert L. Mason 1946-7-4 12881 Sonoma between Santa Rosa and Forestville; Pitkin Marsh Comment
  RSA90512  Rhynchospora californica Milo S. Baker 1945-7-18 11112 Sonoma Pitkin Marsh Comment
  RSA94069  Rhynchospora californica J. T. Howell 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  JEPS117112  Rhynchospora capillacea Peter Warner 2010-7-29 175 Sonoma Lower Pitkin Marsh, N of primary drainage channel, ~ 350 m, N 44 deg.E from Hwy. 116 gate, in quaking bog (fen) area. Comment
  CAS-BOT-BC111897  Rhynchospora capitellata Herbert L. Mason 1946-7-4 12881 Sonoma Pitkin Marsh; between Santa Rosa and Forestville Comment
  CAS-BOT-BC111899  Rhynchospora capitellata John Thomas Howell 1945-7-18 21318 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111903  Rhynchospora capitellata Peter Rubtzoff 1951-9-2 726 Sonoma Pitkin Marsh; lower part of the upper marsh. Comment
  CAS-BOT-BC111905  Rhynchospora capitellata Peter Rubtzoff 1951-7-22 529 Sonoma Pitkin Marsh; uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC111907  Rhynchospora capitellata John Thomas Howell; J. W. Stacey 1936-7-26 12677 Sonoma Pitkin Marsh; 5 miles north of Sebastopol. Comment
  RSA94070  Rhynchospora globularis var. recognita J. T. Howell 1945-8-14 21393 Sonoma Perry Marsh Comment
  CAS-BOT-BC111938  Rhynchospora recognita Peter Rubtzoff 1951-9-2 723 Sonoma Pitkin Marsh, western branch of the Upper Marsh. Comment
  UC353918  Ribes californicum Milo S. Baker 1928-2-18 2598 Sonoma nw Co<o?>per's Grove Comment
  UCR255661  Ribes divaricatum Greg de Nevers 1998-3-20 11219 Sonoma Cresta Ranch [Porter Creek Road], Mark West Creek 305 Comment
  CAS-BOT-BC168990  Ribes divaricatum var. pubiflorum Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano Comment
  CAS-BOT-BC168992  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1951-6-16 211 Sonoma Northern half of Lower Marsh - Pitkin Marsh, near Forestville Comment
  SEINET12216688  Ribes menziesii F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -157 Sonoma ca 5 mi E of Bridgehaven on Willow Creek Road 145 Comment
  UC75468  Ribes roezlii Milo S. Baker 1898-4-4 25 Sonoma between Cazadero and Sea View Comment
  UC73089  Ribes sanguineum var. glutinosum Milo S. Baker 1898-4-4 Sonoma near Sea View Comment
  SEINET5660524 Image available Ribes victoris Paul M. McKenzie, Lowell E. Urbatsch; Annette Parker; Karla Wilzer 1971-1 176 Sonoma On North slope near construction site; ca. 8 miles west of Geyserville on Stewarts Point--Skaggs Springs Roads.; Stewarts Point Comment
  CAS-BOT-BC74721  Rorippa curvisiliqua John Thomas Howell 1947-6-26 23303 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC152674  Rosa californica Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  RSA800130  Rosa canina Peter Rubtzoff 1976-5-30 8565 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC146776  Rosa gymnocarpa R. D. Stone 1983-6-14 537 Sonoma In headwaters of Squaw Cr. drainage ca. 1.2 mi. NW of Geyser Rock 975 Comment
  CAS-BOT-BC148195  Rosa rubiginosa Lewis S. Rose 1955-10-24 55188 Sonoma Two Rock 30 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-BC148199  Rosa rubiginosa Dorothy Scherer 1997-5-20 121 Sonoma Ca. 100' north of Russian Orchard, along path to Sag Ponds, Fort Ross State Historic Park 106 Comment
  CAS-BOT-BC146735  Rosa spithamea Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  UC905110  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma top of Rose Butte Hood Mt. (w slope of mt.) 243 Comment
  UCD113551  Rubus armeniacus Frederica Bowcutt 1994-5-21 1836 Sonoma Sugarloaf Ridge State Park, about 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. On side of hillside trail past junction with Digger Pine Trail approximately 1 mile. 411 Comment
  CAS-BOT-BC156602  Rubus bifrons Peter Rubtzoff 1951-6-30 289 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  RSA245523  Rubus discolor Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1086 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  CAS-BOT-BC147183  Rubus parviflorus Alice S. M. McKenzie 1981-2-23 19 Sonoma Calif. State Hwy. #1 at Fort Ross Gulch Comment
  UC1128639  Rubus parviflorus A. Lewis 1932-5-13 75 Sonoma Calabasas Creek Napa Quadrangle, Calabasas Creek 457 Comment
  SBBG3105  Rubus parviflorus N. F. Sommer 1954-5-15 76 Sonoma St Hwy 12, park at N edge of Occidental 30 Comment
  UC73079  Rubus spectabilis Milo S. Baker 1899-6-26 Sonoma Russian River , at its mouth (at its mouth) Comment
  CAS-BOT-BC158721  Rubus ulmifolius Milo S. Baker 1944-7-31 10879 Sonoma Bank of Sonoma Cr. at the Miller residence below Kenwood. Comment
  CAS-BOT-BC157174  Rubus ursinus Alice Eastwood 1915-6-29 4803 Sonoma Bodega Point Comment
  UCD17813  Rubus ursinus H. Olmo 8-10 May 1962 62 08 Sonoma California. Sonoma County: 1.3 miles south from junction of road to Fort Ross in Cazadero. Comment
  UCR280129  Rumex Peter Rubtzoff 1964-7-29 5444 Sonoma Central Coast, Brooks Gulch Marsh 15 Comment
  RSA784601  Rumex Peter Rubtzoff 1962-8-22 5039 Sonoma Bodega Bay Marsh. Comment
  UCD101015  Rumex acetosella Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 29 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC421851  Rumex conglomeratus Peter Rubtzoff 1951-6-30 309 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  UCD101116  Rumex crassus Mary M. Hektner; Cathy Hendel 1974-7-25 169 Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC433408  Rumex crispus John Thomas Howell 1955-8-6 30892 Sonoma 1 mile southeast of Bloomfield on road to Two Rock Comment
  UCD101132  Rumex crispus Frederica Bowcutt 1994-6-24 1880 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa.Trailhead for Lower Bald Mountain trail off of Stern Trail. 377 Comment
  CAS-BOT-BC433845  Rumex pulcher Peter Rubtzoff 1951-7-7 381 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC433847  Rumex pulcher G. DeNevers 1981-6-6 1490 Sonoma Pepperwood Ranch. On the S slope of Telegraph Hill, E of the road, above the cow trough. Comment
  CAS-BOT-BC433849  Rumex pulcher F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -155 Sonoma The Geysers, ca 14.0 mi ESE of Preston and US hwy 101 on Geysers Road. 80 Comment
  JEPS128317  Rupertia physodes Roger Raiche 2000-5-27 108 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  RSA132022  Rupertia physodes Delzie Demaree 1955-6-12 36975 Sonoma Westminister Woods. P.O. Camp Meeker. Comment
  CDA2403  Rytidosperma penicillatum Barbara Ertter 2003-7-19 18246 Sonoma Behind community center on west side of Hwy 1 north of town, Bodega Bay. 0 Comment
  UC1719909  Rytidosperma penicillatum Barbara Ertter 2003-7-19 18246 Sonoma Bodega Bay, behind community center on W side of Hwy 1 N of town Comment
  CAS-BOT-BC445694  Sagittaria cuneata Peter Rubtzoff 1955-8-27 2101 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC290595  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7361 Sonoma Salmon Creek, 0.25 miles south of Freestone. Comment
  CAS-BOT-BC290708  Salix Peter Rubtzoff 1974-4-6 7358 Sonoma Forestville Marsh. Comment
  RSA0037215  Salix Peter Rubtzoff, James E. Eckenwalder 1974-4-6 7346 Sonoma Kenwood Marsh. At south margin of the area. Comment
  CAS-BOT-BC126266  Salix X sepulcralis W. A. Setchell 1934-3-17 s.n. Sonoma Valley Ford Road, six miles from Petaluma Comment
  POM209562  Salix babylonica W. A. Setchell 1934-3-17 s.n. Sonoma Valley Ford Road. 6 miles from Petaluma. Comment
  RSA534569  Salix bonplandiana Peter Rubtzoff 1955-4-30 1800 Sonoma Stony Point Marsh. Comment
  CAS-BOT-BC103951  Salix exigua Peter Rubtzoff 1957-5-4 3318 Sonoma Vacation Beach, near Guerneville. Sandy bank of Russian River Comment
  RSA534608  Salix exigua Peter Rubtzoff 1953-5-16 1358 Sonoma Vacation Beach. Near Guerneville. along Russian River. Comment
  CAS-BOT-BC103941  Salix exigua H. K. Wagnon 1988-8-8 1798 Sonoma Confluence of Maacama Crk. and Russian River Comment
  CAS-BOT-BC103842  Salix exigua subsp. melanopsis Peter Rubtzoff 1952-6-15 1266 Sonoma Fitch Mtn., near Healdsburg. Bank of Russian River Comment
  UC1196603  Salix exigua var. hindsiana Joseph P. Tracy 1935-8-18 14742 Sonoma along creek w of Knight's Valley; Northern Coast Ranges 152 Comment
  UC66167  Salix exigua var. hindsiana A. A. Heller 1902-4-18 5328 Sonoma on Russian R. near Windsor Comment
  CAS-BOT-BC107800  Salix hindsiana Ball; Bracelin; Parks 1931-4-21 38 Sonoma Mayacama Creek, 25 km. northwest of Calistoga, in ravine above creek Comment
  CAS-BOT-BC106957  Salix laevigata Mary P. Wells 1987-2-21 850 Sonoma South side of Spring Lake, Santa Rosa Comment
  HSC19980  Salix lasiandra R. Spellenberg, A. Sylvester, D. Sutherland 1966-3-26 1339 Sonoma Along Sulphur Creek, 7 mi. W of Big Geysers Comment
  UCSB10868  Salix lasiandra Baker, Milo; Ball, Carleton; Bracelin, H. 1931-5-9 Sonoma About 2 km east of Bodega Bay Comment
  CAS-BOT-BC128051  Salix lasiandra var. lasiandra Walter Knight; Irja Knight; Dr. Steve Edwards 1986-9-9 5250 Sonoma Norborn Road, near Sonoma Comment
  CAS-BOT-BC107093  Salix lasiolepis Peter Rubtzoff 1964-8-26 5487 Sonoma Marsh 5 mi. northeast of Penngrove on Lichau Rd. 213 Comment
  CAS-BOT-BC107095  Salix lasiolepis Peter Rubtzoff 1952-6-15 1263 Sonoma Fitch Mtn. Grove, near Healdsburg. Bank of Russian River Comment
  CAS-BOT-BC107097  Salix lasiolepis Peter Rubtzoff 1952-3-23 904 Sonoma Southern half of Lower Marsh Comment
  CAS-BOT-BC107099  Salix lasiolepis Peter Rubtzoff 1952-3-23 872 Sonoma Lower part of the Upper Marsh Comment
  UC453084  Salix lasiolepis W. A. Setchell 1931-7-25 5 Sonoma Bohemian Grove Russian River (lower bank of river, near Monte Rio) Comment
  UC453111  Salix lasiolepis W. A. Setchell 1931-8-1 25 Sonoma Jenner-by-the-Sea Comment
  UC482120  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UC505684  Salix lasiolepis C. R. and B. S. Ball 1933-5-30 2511 Sonoma Bodega Bay; at base of bluff below road Comment
  UC66162  Salix lasiolepis A. A. Heller 1902-3 5096 Sonoma e Santa Rosa; Santa Rosa Creek Comment
  POM281345  Salix lasiolepis Lyman D. Benson 1930-3-20 1954 Sonoma Toward Healdsburg. Santa Ross. N Coast mtn range. 152 Comment
  CAS-BOT-BC107344  Salix lasiolepis var. bigelovii C. R. Ball; B. S. Ball 1933-5-6 2502 Sonoma 4 miles SW of Calistoga, on road to Petrified Forest, and just over Napa County line Comment
  CAS-BOT-BC107354  Salix lasiolepis var. bigelovii Alice Eastwood 1915-6-29 4809 Sonoma Bodega Point 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
  LA210148  Salix scouleriana W. A. Setchell; 1934-7-10 9 Sonoma Ridge Highway, above Fort Ross Comment
  SJSU192  Salix scouleriana Baker, Ball, Bracelin & Crum 1931-5-9 342 Sonoma 2 km E of Occidenta on Occidental Grade Comment
  UC517940  Salix scouleriana W. A. Setchell 1934-3-17 Sonoma beside rd. entering Bohemian Grove Monte Rio Comment
  UC519397  Salix scouleriana Milo S. Baker 1933-4 Sonoma 3 mi. w. Sebastopol (along Santa Rosa-Bodega Hwy., at O'Farrell Hill); O'Farrell Hill Comment
  UC524787  Salix scouleriana W. A. Setchell 1934-7-10 5 Sonoma Coast Hwy. above Fort Ross Comment
  UC524791  Salix scouleriana W. A. Setchell 1934-7-10 8 Sonoma Ridge Hwy. above Fort Ross Comment
  CAS-BOT-BC128903  Salix sitchensis Ball; Bracelin; Parks & Parks 1931-4-21 36 Sonoma Maacama Creek, 25 km. northwest of Calistoga Comment
  CAS-BOT-BC128905  Salix sitchensis Ball; Bracelin; Parks & Parks 1931-4-21 35 Sonoma Maacama Creek, 25 km. northwest of Calistoga Comment
  CAS-BOT-BC128907  Salix sitchensis Ball; Bracelin; Baker; Crum 1931-5-9 344 Sonoma About 2 km. east of Bodega Bay 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
  JEPS46299  Salix sitchensis Eleanor Armstrong 1933-4-15 749 Sonoma small creek Bodega Bay 6 Comment
  LA208587  Salix sitchensis W. A. Setchell; 1934-7-10 7 Sonoma Coast Highway, N of Fort Ross Comment
  POM362960  Salix sitchensis Carleton R. Ball, H. P. Bracelin, Harold E. Parks, S. T. Parks 1931-4-21 36 Sonoma Maacama Creek. 25 km NW of Calistoga. Comment
  SBBG57980  Salix sitchensis C. R. Ball, H. P. Bracelin, H. E. Parks, S. Parks 1931-4-21 35 Sonoma Maacama Crk, 25 km NW of Calistoga Comment
  SJSU218  Salix sitchensis Baker, Ball, Bracelin & Crum 1931-5-9 344 Sonoma c. 2 km E of Bodega Bay Comment
  UC482059  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 346 Sonoma 2 km. e. Bodega Bay (on Santa Rosa-Bodega Hwy., <Larkspur Rock>) Comment
  UC524786  Salix sitchensis W. A. Setchell 1934-7-10 4 Sonoma Coast Hwy. above Fort Ross (Kru's Ranch) Comment
  UCSC000171  Salix sitchensis H. S. Yates 1934-4-21 3778 Sonoma near Bodega - Sebastopol 61 Comment
  UCD161270  Salvia columbariae James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3699 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-BC225216  Salvia sonomensis Walter Knight; Irja Knight 1963-10-27 437 Sonoma Spring Mt. Rd. 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
  SEINET12329966  Salvia sonomensis F. H. Utech 1986-1 86 -112 Sonoma ca 5 mi NE on Cavedale Road from junction with CA 12 500 Comment
  JEPS102077  Sanguisorba minor subsp. muricata Dean Schlichting 2002-5-16 Sonoma Bohemian Grove 76 Comment
  CDA36949  Sanicula bipinnatifida CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  RSA177985  Sanicula bipinnatifida R. F. Thorne 1965-4-20 34341 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  RSA177952  Sanicula crassicaulis R. F. Thorne 1965-4-20 34325 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  UC1348908  Sanicula crassicaulis Robert F. Thorne 1965-4-20 34325 Sonoma 2 1/2 mi n of Santa Rosa (and 1 mi n of Sonoma County Hospital, Parker Hill Road); Parker Hill Road 106 Comment
  UCD127985  Sanicula crassicaulis Caitlin Lewis; William Mutch 1993-4-17 s.n. Sonoma about 40 air miles N of San francisco, 11 air miles E of Santa Rosa, 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
  CDA6116  Sanicula laciniata D. G. Kelch 2007-5-13 07 .295-B Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  UCD166314  Saponaria officinalis Peter Rubtzoff 1967-8-18 5849 Sonoma 6 miles east of Guerneville. 18 Comment
  UC416710  Satureja douglasii Milo S. Baker 1899-6-28 Sonoma near Duncan's Mills; Russian River Comment
  UC338957  Saxifraga californica Hy. Edwards April 1877 202 Sonoma Skaggs Spring Comment
  UC754290  Saxifraga mertensiana R. Bacigalupi 1948-3-6 2584 Sonoma 1 mi w of Skaggs Springs Comment
  UCD65651  Schedonorus arundinaceus Mary M. Hektner; Cathy Hendel 1974-7-24 164 A Sonoma Beside the Kirkwood house, Unit 24 Owners' Map, Sea Ranch, near State Hwy. 1. Comment
  CAS-BOT-BC283141  Schedonorus arundinaceus G. De Nevers 1981-5-30 1387 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC422368  Schedonorus arundinaceus Peter Rubtzoff 1960-6-9 4468 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC111437  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1958-8-23 3904 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llamo Road). Comment
  CAS-BOT-BC111433  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1955-9-25 2159 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC111435  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1966-7-23 1980 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC111439  Schoenoplectus acutus var. occidentalis Adolph Daniel Edward Elmer 1903-7-1 4940 Sonoma Vallejo Comment
  RSA0019006  Schoenoplectus maritimus Peter Rubtzoff 1970-8-18 6306 Sonoma Five miles north of Sears Point. Comment
  RSA0009471  Schoenoplectus pungens Marcus E. Jones 1882-7-18 3526 Sonoma Duncan Mills. Comment
  RSA90531  Schoenoplectus pungens Milo S. Baker 8611 Sonoma Sea beach at mouth of Salmon Creek 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
  CAS-BOT-BC111112  Scirpus microcarpus Peter Rubtzoff 1955-9-24 2152 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC111118  Scirpus microcarpus Gregory Clark de Nevers 1992-7-25 10234 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 304 Comment
  UCR248718  Scrophularia californica Peter Rubtzoff 1962-10-23 5122 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  UCR249357  Scrophularia californica Peter Rubtzoff 1960-5-22 4412 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  RSA0022396  Scrophularia californica Peter Rubtzoff 1958-5-17 3675 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Rd.) 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
  SEINET12273598  Scutellaria angustifolia Unknown 1936-1 13107 Sonoma Near Healdsburg Comment
  UC615252  Sedum spathulifolium Beryl O. Schreiber 1934-5-16 1125 Sonoma near Healdsburg; near Healdsburg Comment
  CAS-BOT-BC376339  Selaginella wallacei Greg de Nevers 1997-12-12 11110 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In 40 acres west of Trapper's Cabin. 400 Comment
  CAS-BOT-BC62200  Selaginella wallacei Alice Eastwood; John Thomas Howell 1939-4-2 7366 Sonoma Larkspur Rock Comment
  CAS-BOT-BC363430  Senecio aronicoides A. A. Heller; H. E. Brown 1902-4-11 5264 Sonoma Bodega Bay Comment
  UCD151310  Senecio aronicoides James A. Neilson Jr. 1974-4-30 2726 Sonoma Mayacmas Mountains. Ridge between Squaw Creek and Big Sulphur Creek, (Elevation and coordinates estimated by label maker.) 731 Comment
  CAS-BOT-BC363428  Senecio aronicoides G. DeNevers 1981-4-25 817 Sonoma Pepperwood Ranch. Along Creek that runs past chicken and goat pens, hillside, near main Pepperwood entrance Comment
  UC1223159  Senecio flaccidus var. douglasii Joseph P. Tracy 1946-9-3 17652 Sonoma just s Mendocino County line; Russian River Comment
  CAS-BOT-BC364097  Senecio jacobaea Walter Knight; Irja Knight; Tiffany Knight 1986-8-12 5505 Sonoma Along state route 1 in Sea Ranch. Ca 2 mi n. of lodge Comment
  SEINET11807204  Senecio jacobaea W. Knight, Knight, I. 1984-1 5113 Sonoma near junction Hwy 1 & Headlands Beach Rd, Sea Ranch Comment
  UCD135625  Senecio minimus Mary M. Hektner; Cathy Hendel 1974-7-26 179 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  RSA247448  Senecio sylvaticus Peter Rubtzoff 1969-8-14 6135 Sonoma Coleman Marsh. Comment
  CAS-BOT-BC80321  Sequoia sempervirens John Thomas Howell 1924-3-22 285 Sonoma Near Camp Meeker Comment
  CAS-BOT-BC80324  Sequoia sempervirens J. W. Congdon 1880-2-1 s.n. Sonoma Near Santa Rosa Comment
  CAS-BOT-BC80325  Sequoia sempervirens J. W. Congdon 1880-2-1 s.n. Sonoma Santa Rosa Comment
  YM-YOSE15451  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 Miles South in Santa Rosa in Bennet Valley Comment
  CAS-BOT-BC376434  Setaria Greg de Nevers 1996-9-22 10877 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Mark West Creek at Leslie Creek. 400 Comment
  RSA0051276  Setaria Greg de Nevers 1996-9-22 10877 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Mark West Creek at Leslie Creek. 100 Comment
  CAS-BOT-BC240274  Setaria viridis Catherine Best 1987-7-2 1298 Sonoma Near the intersection of Todd and Llano roads Comment
  UC198508  Sidalcea calycosa Katharine Brandegee Sonoma Santa Rosa Comment
  RSA94097  Sidalcea calycosa subsp. calycosa J. T. Howell 1945-8-14 21387 Sonoma Perry Marsh Comment
  CAS-BOT-BC213155  Sidalcea calycosa subsp. rhizomata George B. Snyder 1991-9-5 s.n. Sonoma Sea Ranch, 1/2 mile north of the lodge, between Hwy 1 and the ocean. Comment
  UC400138  Sidalcea diploscypha Ynez Mexia 1929-6-2 2395 Sonoma near Mark West Springs; near Mark West Springs Comment
  UC1299201  Sidalcea diploscypha Freed W. Hoffman 1950-5-27 3592 Sonoma on Healdsburg-Guerneville Highway North Coast Ranges, Roy Litton Ranch (Roy Litton Ranch) Comment
  RSA87979  Sidalcea malviflora C. L. Hitchcock 1952-6-4 19585 Sonoma 2 miles N. of Ft. Ross. Comment
  SJSU8470  Sidalcea malviflora T. A. Wayne III 1962-4-21 72 Sonoma 3 mi N of Santa Rosa through Bennett Valley Comment
  UCSB50223  Sidalcea malviflora Gray, John 1976-5-1 Sonoma Bluff above Salmon Creek State Beach; T6N R11W 16 Comment
  CAS-BOT-BC213166  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 19638 Sonoma Kenwood Marsh, about 1/4 mile west of Kenwood Comment
  CAS-BOT-BC290626  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
  POM225311  Sidalcea oregana subsp. valida J. T. Howell 1932-9-18 10766 Sonoma Kenwood Marsh near Kenwood Comment
Read comments Mar 10 2009
  JEPS57379  Silene californica L. R. Heckard and T. I. Chuang 1968-6-18 1950 Sonoma Franz Valley Road 2 mi w of junction with Franz Valley School Road; Franz Valley Road Comment
  UC1541419  Silene gallica H. E. and S. T. Parks 1930-5-10 846 Sonoma Knights Valley 152 Comment
  CAS-BOT-BC392498  Silene gallica A. A. Heller 1902-6-10 s.n. Sonoma Santa Rosa Comment
  SEINET11935783  Silene gallica P. G. Connors 1991-1 Sonoma Bodega Marine Reserve 9 Comment
  SEINET4856109  Silene grandis Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point. Comment
  CAS-BOT-BC5808  Silene scouleri subsp. grandis Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  UCD135848  Silybum marianum Gerry North 1993-4 55 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. On Vista trail 1/2 mile NE of fork with Bald Mountain trail. Sugarloaf Ridge State Park. 556 Comment
  POM231112  Sisyrinchium bellum Jens Clausen 1935-5-24 1087 Sonoma 5.1 mi. S of Jenner on the Bodega road. Comment
  SEINET7096766  Sisyrinchium bellum A. G. Vestal 1955-5-7 s.n. Sonoma On Jonive Road. Ca. 4.6 miles west of Sebastipol. NAD27, 38? deg. 22' 48ao, -122?_ 54' 01ao (converted to WGS84 decimal degrees) UTM Zone 10, 508701mE, 4247764mN. Comment
  JEPS64293  Sisyrinchium californicum Lucille Roush 1928-4-15 Sonoma near Russian River; Fort Ross Comment
  RSA227220  Sisyrinchium californicum Peter Rubtzoff 1964-6-3 5341 Sonoma Bodega Bay Marsh. Comment
  SBBG1143  Sisyrinchium californicum H. and M. Dearing 1939-5-15 3367 Sonoma N of Fort Ross Comment
  CDA28745  Smilacina stellata S. Blank, P. Kerr 2007-4-3 s.n. Sonoma North Coast Ranges; Annadel State Park. Hunter Spring. Comment
  CAS-BOT-BC164424  Solanum Peter Rubtzoff 1969-8-29 6175 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  CAS-BOT-BC166972  Solanum Peter Rubtzoff 1954-9-6 1734 Sonoma Guerneville Marsh. Comment
  UCD166506  Solanum americanum Peter Rubtzoff 1958-8-9 3837 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  UC914097  Solanum physalifolium var. nitidibaccatum Herbert A. Thomas 1935-11-23 Sonoma Burbank Farm Comment
  UCD151249  Solanum xanti James A. Neilson Jr. 1974-4-24 2731 Sonoma Mayacmas Mountains. One mile north of Little Geysers. Steam well site. (Elevation estimated using Google Earth by label maker.) 1097 Comment
  CAS-BOT-BC365584  Solidago elongata Peter Rubtzoff 1951-9-2 719 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC361394  Solidago velutina subsp. californica Greg de Nevers 1993-7-27 10477 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa S slope of Telegraph Hill 400 Comment
  CAS-BOT-BC173831  Soliva sessilis Peter Rubtzoff 1960-5-16 4341 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC164034  Sonchus Peter Rubtzoff 1958-8-9 3844 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC164384  Sonchus Peter Rubtzoff 1961-8-24 s.n. Sonoma Fife Creek Marsh. Comment
  UCD134042  Sonchus oleraceus Frederica Bowcutt 1984-6-23 435 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
  CAS-BOT-BC236527  Sorghum bicolor Walter Knight; Irja Knight 1963-10-11 428 Sonoma Marshall Ave., Petaluma Comment
  UC1146596  Sorghum halepense Freed W. Hoffman July 1941 2220 Sonoma near Guerneville; North Coast Ranges Comment
  CAS-BOT-BC236591  Sorghum halepense David L. Morgan 1956-7-7 s.n. Sonoma On Stage Gulch Road, 2 1/2 mi. NW of Lakeville Comment
  UCR71885  Sparganium emersum subsp. emersum Peter Rubtzoff 1972-6-24 6790 Sonoma Atascadero Creek Marsh 28 Comment
  SD39609  Spergula arvensis Edith A. Purer 1932-8-21 4053 a Sonoma Bodega Bay. Comment
  CAS-BOT-BC390043  Spergula arvensis G. DeNevers 1981-3-14 536 Sonoma Pepperwood Ranch. Pippindale farm, 7 mi. NE of Santa Rosa, near Mark West lodge. Along Leslie road Comment
  CAS-BOT-BC390045  Spergula arvensis Peter Rubtzoff 1952-3-23 880 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  CAS-BOT-BC390047  Spergula arvensis John H. Thomas 1976-6-15 18307 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  CAS-BOT-BC390049  Spergula arvensis Ella Dales Cantelow 1940-4-20 3446 Sonoma N. of Ft. Ross. Hy I Comment
  RSA178018  Spergula arvensis R. F. Thorne 1965-4-19 34277 Sonoma Titus Ranch, Valley Ford. 18 Comment
  CAS-BOT-BC320575  Spergularia Peter Rubtzoff 1971-7-3 6591 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC390734  Spergularia rubra G. DeNevers 1981-6-4 1432 Sonoma Pepperwood Ranch. In Garrison yard Comment
  RSA518741  Spergularia rubra Barbara Ertter 1988-11-5 8027 Sonoma Lake Sonoma 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  UCD99276  Spergularia rubra Frederica Bowcutt 1996-3-24 2076 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile south of Red Mountian. Trail head for Lower Bald Mountain Trail at group campsite just west of Sonoma Creek. 381 Comment
  UC55669  Spirodela polyrhiza J. Burtt Davy 1896-7-22 4143 Sonoma Russian River Comment
  CAS-BOT-BC534956  Spirodela punctata Peter Rubtzoff 1964-8-20 5466 Sonoma Pond one mile SE of Jenner (near crossing of Hwys. 1 and 12) Comment
  CAS-BOT-BC502052  Stachys Peter Rubtzoff 1963-8-17 5231 Sonoma Russian River Mouth Marsh Comment
  SEINET13948161 Image available Stachys Joseph Andorfer Ewan 1935-1 9226 Sonoma 1.5 mi W of Bodega on Bodega Bay road Comment
  RSA82588  Stachys ajugoides F. W. Peirson 1925-8-8 6341 Sonoma Roadside 6 miles south of Santa Rosa Comment
  UC727698  Stachys ajugoides var. ajugoides Milo S. Baker 1946-7-27 11535 Sonoma n Sears Pt. (along hiwy.) Comment
  SEINET12332456  Stachys rigida subsp. quercetorum F. H. Utech 1988-1 88 -222 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1, mile marker 29.90 100 Comment
  SEINET9340248  Stachys rigida var. quercetorum John Nelson, Wnek, Richard 2000-3-7 21352 Sonoma Guerneville Comment
  UCD126055  Stachys rigida var. quercetorum Cynthia Hodges 1982-4-8 10 Sonoma 10 miles south of Healdsburg on Chalk Hill Road. 38 Comment
  CAS-BOT-BC175338  Stellaria borealis subsp. sitchana Peter Rubtzoff 1951-8-4 570 Sonoma Southern half of Lower Marsh. The Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC293753  Stellaria media Peter Rubtzoff 1960-5-18 4380 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC376286  Stephanomeria Greg de Nevers 1992-7-15 10219 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Valley Road 304 Comment
  UCD136267  Stephanomeria elata L. D. Gottlieb 1966-8-4 66115 Sonoma on Trinity road, 1/2 mile east of junction with Cavedale Road. 548 Comment
  UCD161864  Streptanthus James A. Neilson Jr. 1979-6-26 3976 Sonoma Mayacmas Mountans. About 2 1/2 miles northwest of Socrates Mine, 1/4 mile south of highest knoll above the Geysers on ridge that divides Big and Little Sulphur Creeks. (Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA74053  Streptanthus barbiger Milo S. Baker 1947-5-30 11775 Sonoma Located 2 miles NE of Occidental along Harrison Grade. Comment
  UC1492715  Streptanthus barbiger Freed W. Hoffman 1948-6-1 2334 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  CAS-BOT-BC61221  Streptanthus brachiatus Helen K. Sharsmith 1952-6-18 4129 Sonoma Inner North Coast Ranges. Near junction of Socrates Mine road with Pine Flat-Middletown Road. Mayacamas Mountains. 975 Comment
  UC1478046  Streptanthus brachiatus Charlie Patterson 1980-6-16 Sonoma ca 1 1/2 mi e Socrates Mine (near Lake Co. line) Comment
  UCD164201  Streptanthus brachiatus N. Ivalu Cacho; Sharon Y. Strauss, Anna O'Brien 2011-8-18 IC-SS 274 Sonoma Pine Flat Road, at the top. 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
  CAS-BOT-BC87230  Streptanthus glandulosus subsp. glandulosus Anna F. Rodda 1929-5-6 s.n. Sonoma Geyserville. Comment
  UC985958  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-6-4 2904 Sonoma along road at base of mt 2.2 mi from Healdsburg Park (e of Healdsburg); North Coast Ranges, Fitch Mountain Comment
  UC985959  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-5-23 1061 Sonoma Gabe's Rock North Coast Ranges, Poole Ridge (1 mi nw of Guerneville) Comment
  CAS-BOT-BC87298  Streptanthus glandulosus subsp. sonomensis John Thomas Howell 1937-7-4 13077 Sonoma Near Petrified Forest. Comment
  SEINET11990984  Streptanthus glandulosus var. secundus R. Raiche, Edwards, S.; Knight, W.; Knight, I. 1983-1 4756 Sonoma The Cedars, near Cazadero on Twitchell Ranch 274 Comment
  SEINET11998403  Streptanthus glandulosus var. sonomensis Unknown 1986-1 60156 Sonoma W of Healdsburg, Palmer Creek drainage (tributary of Mill Creek) 427 Comment
  UCD167337  Streptanthus morrisonii James A. Neilson Jr. 1980-6-16 3983 Sonoma Mayacmas Mountains. On unnamed tributary of Little Sulphur Creek above Healdsburg-Geysers Road. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD167365  Streptanthus morrisonii James Neilson Date Unknown 4059 Sonoma Hillside due east of Layton Mines. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD167452  Streptanthus morrisonii James Neilson 1983-6-13 4099 Sonoma East Austin Creek. (On the same date Neilson was in the upper reaches of East Austin Creek. Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1102676  Streptanthus morrisonii subsp. hirtiflorus F. W. Hoffman 1948-6-17 2344 Sonoma bluffs and cliff talus above Dorr's Cabin (headwaters of creek); North Coast Ranges, East Austin Creek; above Dorr's cabin, headwaters of East Austin Creek, Sonoma Co. Comment
  UC1492805  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1950-6-30 3381 Sonoma along Gilliam Creek Gilliam Creek (a branch of East Austin Creek); North Coast Ranges, Gilliam Creek Comment
  UC10918  Streptanthus tortuosus var. suffrutescens F. T. Bioletti 1893-6-1 Sonoma Hood's Peak Comment
  CAS-BOT-BC274038  Stuckenia pectinata Peter Rubtzoff 1971-9-1 6668 Sonoma Spring Creek Reservoir area. Comment
  UCD166329  Symphoricarpos Peter Rubtzoff 1967-9-2 5877 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC97819  Symphyotrichum chilense Peter Rubtzoff 1961-10-18 4767 Sonoma Cunningham Marsh Comment
  UC1485932  Symphyotrichum lentum Charles Patterson 1980-9-13 Sonoma Hog Island (n tip) Hog Island Comment
  UCD148394  Taraxacum Peter Rubtzoff 1958-4-26 3587 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC447464  Tellima grandiflora A. A. Heller 1903-4-23 6612 Sonoma Fort Ross Comment
  UC35392  Tetrapteron graciliflorum W. C. Blasdale 1891-1 Sonoma Comment
  CAS-BOT-BC399881  Thalictrum polycarpum Mrs. H. C. Cantelow 1934-4-29 504 Sonoma Dry Creek Comment
  CAS-BOT-BC268101  Thermopsis Peter Rubtzoff 1962-6-8 4886 Sonoma Bennett Mountain Lake. Comment
  UCD106681  Thermopsis californica var. californica Mary M. Hektner 1975-6-3 200 Sonoma Monarch Glen, Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD108631  Thermopsis californica var. californica P. B. Kennedy 1915-5-31 s.n. Sonoma Del Mar. Comment
  CHSC23298  Thermopsis macrophylla C. Slobodchikoff 1965-5-16 97 Sonoma 6.4 mi northeast of Penngrove, on Lichau Road. Comment
  CAS-BOT-BC66807  Thysanocarpus curvipes John Thomas Howell 1933-4-2 10934 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC66823  Thysanocarpus curvipes John H. Thomas 1969-4-28 14924 Sonoma About 3.6 miles north of Monte Rio. Comment
  RSA122895  Thysanocarpus curvipes var. curvipes E. Armstrong 1934-3-26 920 Sonoma 2 miles W of Camp Meeker. 122 Comment
  UC420446  Tiarella trifoliata var. unifoliata Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC368089  Tolpis barbata Greg de Nevers 1998-5-2 11223 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Northwest of High Hill, southwest of big bay 400 Comment
  UC71975  Tonella tenella Milo S. Baker May 1903 Sonoma Sonoma Creek Comment
  UCD166313  Torilis arvensis Peter Rubtzoff 1967-7-2 5844 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC169260  Toxicodendron diversilobum Peter Rubtzoff 1951-8-18 630 Sonoma Western branch of the Upper Marsh, Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC169262  Toxicodendron diversilobum Saichi Kawahara 1968-4-20 326 Sonoma Trinity Road, 1 mile northeast of Highway 12 152 Comment
  HSC37861  Trichostema laxum Peter Sorensen 1976-7-30 Sonoma The Geysers, Big Sulphur Creek Comment
  UC762794  Trichostema laxum R. F. Hoover 1942-7-13 5917 Sonoma 3 mi S of Monte Rio Comment
  UCLA54892  Trichostema laxum Marcus E. Jones 1931-7-5 Sonoma The Geysers Comment
  UC750809  Trientalis latifolia Charles B. Heiser Jr. 1946-5-19 1759 Sonoma Russian River near Duncan Mills; Russian River Comment
  CAS-BOT-BC173570  Trifolium Peter Rubtzoff 1974-4-17 7373 Sonoma Upper Green Valley Marsh. Comment
  RSA784992  Trifolium Peter Rubtzoff 1974-5-18 7430 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UC726770  Trifolium albopurpureum var. dichotomum A. A. Heller 1940-5-6 15590 Sonoma near Petrified Forest (roadside bank) Comment
  UC764651  Trifolium amoenum R. F. Hoover 1941-5-14 5071 Sonoma 1 mi n Valley Ford Comment
  UCSC011040  Trifolium appendiculatum R. Morgan 2005-5-14 4423 A Sonoma Seed originally from one or two plants in Santa Rosa Comment
  UC188464  Trifolium barbigerum J. W. Congdon 1880-5-9 Sonoma Petaluma Comment
  UC630865  Trifolium barbigerum P. B. Kennedy 1915-5-31 Sonoma Anapolis Comment
  CDA36828  Trifolium ciliolatum CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UC1541593  Trifolium ciliolatum H. E. and S. T. Parks 1930-5-9 602 Sonoma Knights Valley Comment
  SEINET7042676  Trifolium ciliolatum A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UCD108271  Trifolium ciliolatum Freed W. Hoffman 1946-3-6 1858 Sonoma North Coast Ranges. Near Guerneville. Above Quicksilver Mines. Comment
  SEINET10895527  Trifolium depauperatum A. Arthur Heller, H. E. Brown 1902-4-22 Heller s.n. Sonoma Between Santa Rosa and Agua Caliente. Comment
  UC631218  Trifolium depauperatum var. amplectens P. B. Kennedy 1915-5-28 Sonoma Del Mar Comment
  UC16480  Trifolium depauperatum var. depauperatum F. T. Bioletti 1892-1 Sonoma Comment
  UCD108373  Trifolium depauperatum var. depauperatum Frederica Bowcutt 1996-3-24 2075 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 1 air mile south of Red Mountian. Trail head for Lower Bald Mountain Trail at group campsite just west of Sonoma Creek. 381 Comment
  UC1026471  Trifolium dubium Peter Rubtzoff 1951-7-14 439 Sonoma near Forestville (s half of lower marsh, near hwy); Pitkin Marsh 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
  SEINET6793641 Image available Trifolium incarnatum Sally Walker 1993-1 Sonoma Mill Station Road, Sebastopol Comment
  UCD161356  Trifolium microcephalum James A Neilson Jr. 1976-5-5 3696 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road. Aidlin-Gloved Leasehold, ca. 300 yards uphill from well site #1. (Coordinates and location estimated by label maker.) Comment
  UC80353  Trifolium microdon Alice Eastwood 1900-4-7 Sonoma Altruria Comment
  UCD109171  Trifolium microdon R. Tofsrud 1948-5-1 s.n. Sonoma Santa Rosa. Comment
  UCD164681  Trifolium repens Peter Rubtzoff 1976-5-30 8555 Sonoma Kenwood Marsh. Comment
  SEINET12166392  Trifolium striatum H. K. Wagnon 1989-1 1887 Sonoma at edge of Fort Ross School's Reservoir, Timber Cove 122 Comment
  UCD109332  Trifolium tomentosum P. G. Connors 1966-5-12 366 Sonoma west of Sonoma Creek, 8 km south of Sonoma. Comment
Read comments Feb 19 2013
  UCD161358  Trifolium variegatum James A Neilson Jr. 1976-5-5 3717 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road. Aidlin-Gloved Leasehold, ca. 300 yards uphill from well site #1. (Coordinates and location estimated by label maker.) Comment
  UCD84286  Trifolium variegatum Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  JEPS74301  Trifolium variegatum var. melananthum Peter Rubtzoff 1969-5-3 6023 Sonoma e Sebastopol (Laguna de Santa Rosa) Comment
  UC631044  Trifolium willdenovii P. B. Kennedy 1915-5-28 Sonoma Del Mar Comment
  UCD165127  Trifolium willdenovii Peter Rubtzoff 1974-4-17 7375 Sonoma Upper Green Valley Marsh. Comment
  UCD35305  Trifolium willdenovii Beecher Crampton 1955-4-5 2404 Sonoma 2 miles west of Fulton, along Woolsey Road. Comment
  UCSB31789  Trifolium willdenovii Townsend, J. 1977-5-29 Sonoma West side Old Cazadero Rd. about 7 miles north-east of Guerneville 518 Comment
  CDA28069  Trifolium wormskioldii M. S. Bergseng 1959-8-4 3809 Sonoma Sonoma Coast State Park. 0 Comment
  UC16820  Trifolium wormskioldii F. T. Bioletti 1892-5-15 Sonoma Comment
  UCD165156  Trifolium wormskioldii Peter Rubtzoff 1974-5-19 7440 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC451946  Triglochin maritima J. W. Congdon 1880-4-13 s.n. Sonoma Petaluma Comment
  SEINET5869493 Image available Triglochin maritima L. S. Rose 1964-1 64055 Sonoma N end of Bodega Bay 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
  SEINET12051461  Trillium albidum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -263 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  UCD139904  Trillium chloropetalum Mary M. Hektner 1976-5-13 257 Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. 1325 Comment
  HSC22046  Trillium chloropetalum var. chloropetalum F. Demostene 1966-4-11 40 Sonoma 25 mi. W of Healdsburg Comment
  SEINET5083020  Trillium ovatum Unknown 1994-4-3 70 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  SEINET12050382  Trillium ovatum F. H. Utech 1988-1 88 -216 Sonoma Salt Point, along CA 1 between Jenner and Stewart's Point, mile marker 38.39 75 Comment
  SEINET7075561  Triphysaria eriantha 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
  UC1238006  Triphysaria eriantha subsp. eriantha John H. Weiler, D. Kaplan 1961-3-27 6165 Sonoma along state highway 12, 3.4 mi n Agua Caliente; n of Agua Caliente Comment
  HSC34693  Triphysaria versicolor subsp. faucibarbata Thomas W. Nelson, James Nelson 1975-5-8 1813 Sonoma Beside Hwy. 101 just S of Ash Creek near the Mendocino-Sonoma Co. line Comment
  SFV8312  Triphysaria versicolor subsp. faucibarbata R. R. Martin 1968-5-2 13 Sonoma Dry Creek Road, 5 miles north of Healdsburg. Comment
  UC726290  Triphysaria versicolor subsp. versicolor A. A. Heller 1930-5-14 15083 Sonoma back of the bluff Bodega Bay (along the roadside near the town of Bay); back of bluff n of Bodega Bay Comment
  UCD93600  Trisetum canescens P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC522358  Triteleia hyacinthina Peter Rubtzoff 1971-5-8 6439 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mile west of Arnold Drive Comment
  SEINET7042391  Triteleia laxa A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UC421747  Triteleia peduncularis Milo S. Baker May 1899 Sonoma near Kenwood Comment
  SDSU6675  Ulex europaeus D. F. Howe 1968-5-21 4520 Sonoma 3.7 miles south of Bodega Bay on #1. Comment
Read comments Feb 6 2013
  HSC14488  Umbellularia californica D. Sutherland, A. Sylvester, R. Spellenberg 1966-3-26 1336 Sonoma Near Big Geysers Comment
  RSA785729  Umbellularia californica Carrie A. Herd 1982-3-9 13 Sonoma Crane Creek Regional Park Comment
  UC9879  Umbellularia californica Schmidt Sonoma Sonoma County Comment
  UCD158805  Uropappus lindleyi James A. Neilson Jr. 1974-3-27 2940 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC403983  Urtica dioica subsp. gracilis Peter Rubtzoff 1959-6-6 4088 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC403985  Urtica dioica subsp. gracilis Peter Rubtzoff 1960-5-18 4382 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC403987  Urtica dioica subsp. gracilis Lewis S. Rose 1964-6-3 64056 Sonoma N. end of Bodega Bay 1 Comment
  CAS-BOT-BC403989  Urtica dioica subsp. gracilis L. R. Abrams 1920-7-3 7601 Sonoma Gualala River near Mendocino--Sonoma Co. Line Comment
  CAS-BOT-BC404240  Urtica dioica subsp. holosericea Peter Rubtzoff 1959-6-13 4116 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC404242  Urtica dioica subsp. holosericea Peter Rubtzoff 1954-7-27 1588 Sonoma Guerneville Marsh Comment
  UCR105437  Urtica dioica subsp. holosericea Peter Rubtzoff 1960-9-17 4566 Sonoma Laguna de Santa Rosa northeast of Graton, near Guerneville Road Comment
  UCR105446  Urtica dioica subsp. holosericea Peter Rubtzoff 1973-9-9 7311 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC76166  Vancouveria planipetala Rimo Bacigalupi 1926-5-2 1376 Sonoma Cazadero. Comment
  UCD95103  Vancouveria planipetala Rolf Y. Berg 1964-10-5 8096 Sonoma along Hwy. 12, Russian River Valley, 1 M. below sideroad to Occidental (1 M. NW. of Monte Rio.) Comment
  JEPS62207  Veratrum fimbriatum Milo S. Baker 1920-9-20 Sonoma 2 mi n Stewart's Point Comment
  CAS-BOT-BC135771  Veratrum fimbriatum Catherine Best 1981-8-22 s.n. Sonoma On Green Hill Road 3 miles easterly, airline, from Occidental Comment
  CAS-BOT-BC154132  Verbascum Peter Rubtzoff 1952-6-15 1261 Sonoma Fitch Mountain Grove Resort, near Healdsburg, along Russian River Comment
  CAS-BOT-BC156316  Verbascum Peter Rubtzoff 1954-8-11 1687 Sonoma [Guernerville] Guerneville Marsh Comment
  UC104852  Verbena lasiostachys var. lasiostachys Alice Eastwood 1900-5-8 Sonoma Knight's Valley Comment
  UCR244664  Veronica Peter Rubtzoff 1969-6-14 6082 Sonoma 6.5 mi northeast of Penngrove, on Lichau Road 427 Comment
  CAS-BOT-BC166701  Veronica americana Peter Rubtzoff 1954-8-3 1632 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC166750  Veronica americana Peter Rubtzoff 1960-5-22 4409 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  UCR244741  Veronica americana Peter Rubtzoff 1962-5-11 4813 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  RSA783732  Veronica americana Peter Rubtzoff 1960-5-22 4409 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville Roads.) Comment
  RSA0021067  Veronica peregrina subsp. xalapensis Peter Rubtzoff 1962-5-6 4809 Sonoma Guerneville Marsh Comment
  UCD124783  Veronica scutellata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UCD166064  Veronica serpyllifolia Peter Rubtzoff 1971-5-8 6447 Sonoma Pitkin Marsh, near Forestville. Western border of the marsh near end of Templeman Road. Comment
  CAS-BOT-BC267248  Viburnum ellipticum Greg de Nevers 1982-5-15 2011 Sonoma Pepperwood Ranch. Mark West Creek and Leslie Creek Comment
  CDA36954  Vicia benghalensis CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UC454617  Vicia sativa subsp. sativa I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  JEPS77260  Vicia sativa subsp. sativa Robert M. Lloyd 1963-4-24 2397 Sonoma on road to Oakdale (16.0 mi from State Highway) 274 Comment
  RSA0065197  Vicia tetrasperma Greg de Nevers 1993-7-4 10471 Sonoma Willow Creek drainage downhill from 18375 Willow Creek Rd. 244 Comment
  CDA34791  Vinca major Peter Warner 2010-3-1 111 Sonoma State Hwy 1 at 6.77 mile marker, west of junction of Bay Hill Rd. between road and Cheney Gulch Creek. Comment
  SBBG4792  Viola adunca H. and M. Dearing 1939-5-15 3388 Sonoma N of Fort Ross Comment
  UC1763357  Viola adunca Milo S. Baker 1898-4-4 5507 Sonoma near Sea View Comment
  NY380615  Viola helleriana A. A. Heller 1902-3-29 5179 Sonoma Bodega Bay Comment
  UC1761451  Viola lobata Milo S. Baker 1926-5-31 164 -1926 Sonoma Triniti road, 1 mi up Comment
  UC1762374  Viola lobata Freed Hoffman 1951-4-27 3834 Sonoma Mt. St. Helena, along fire road Comment
  UC1762531  Viola lobata Milo S. Baker 1947-5-5 11714 Sonoma Hod [Hood?] Mt., near Grant Line Comment
  UC1763481  Viola lobata Milo S. Baker May 1899 Sonoma Stewarts canyon Comment
  CAS-BOT-BC536962  Viola lobata Mary P. Wells 1984-5-1 204 Sonoma Near Humbug Creek, S of Calistoga Rd, Hood Mountain Range Comment
  UC1762265  Viola ocellata Leo Koch 1939-4-8 497 Sonoma Boxman Ranch near Plantation Comment
  UC336275  Viola ocellata J. Ewan 1877-3-1 Sonoma Skaggs Springs Comment
  UC337758  Viola ocellata unknown 1892-5-4 Sonoma Armstrong Park near Guerneville; Armstrong Park Comment
  UC1762399  Viola sempervirens Edith Hessel 1927-4-17 Sonoma Mill Creek Comment
  CAS-BOT-BC135287  Viscum album Stanley Rose 1966-5-8 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  CAS-BOT-BC135289  Viscum album Stanley Rose 1966-1-2 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  SEINET12230244  Viscum album W. O. McCartney 1966-1 s.n. Sonoma NW corner of Mill Station Road and Gravestein North Highway, Sebastopol Comment
  CAS-BOT-BC203123  Vitis californica D. E. Breedlove 1980-6-27 44768 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC203125  Vitis californica Irja Knight; Walter Knight 1964-11-15 778 Sonoma Hood's [Hood] Peak below Johnson Lake Comment
  CAS-BOT-BC203127  Vitis californica John H. Thomas 1976-6-18 18365 Sonoma About 4.6 miles west of Warm Springs, between Skaggs Springs and Geyserville Comment
  CAS-BOT-BC203129  Vitis californica Peter Rubtzoff 1951-8-5 595 Sonoma Mirabel Park, 1 1/2 mi. north of Forestville Comment
  POM117433  Vitis californica Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale.