Search Results — 2000 specimen records retrieved (1255 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  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
  UC1193405  Acer macrophyllum G. W. Tourtillott 1950-5-10 18 Sonoma one mi e Geysers Hotel; Quad. 60B4, e of Geysers Hotel 609 Comment
  UC18123  Acer macrophyllum W. H. Brewer 1862-4-18 960 Sonoma near Sonoma; near Sonoma Comment
  UCD67995  Acer macrophyllum S. M. Smukler 1995-6-3 19 Sonoma Across from Mark West Query, 4611 Porter Creek Road, at top of bank on North side of Porter Creek. In a riparian plant association. A tree, 20 m high. 100 Comment
  RSA785741  Acer macrophyllum Carrie A. Herd 1982-5-9 91 Sonoma Trinity Road; turnout; down hillside of road cut. Comment
  CAS-BOT-BC30450  Achillea millefolium Saichi Kawahara 1968-4-20 315 Sonoma Along Highway 116, 3 miles northeast of Lakeville Road 76 Comment
  POM55392  Achillea millefolium A. A. Heller, H. E. Brown 1902-4-17 s.n. Sonoma Hills at Santa Rosa Comment
  UCD128307  Achillea millefolium Mary M. Hektner 1976-12-14 277 Sonoma onto Walk-On-Beach; unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC29163  Achyrachaena mollis J. T. Howell 1931-4-2 6045 Sonoma Boyes Springs 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
  CAS-BOT-BC26655  Acmispon aestivalis Amos Arthur Heller 1902-8-18 6051 Sonoma Santa Rosa Comment
  NY380619  Acmispon aestivalis A. A. Heller 1902-8-18 6051 Sonoma Santa Rosa Comment
  JEPS128383  Acmispon americanus var. americanus Roger Raiche 2000-7-24 141 .00 Sonoma The Cedars. Rick's Gate. Lower Russian River, Big Austin Creek watershed. Comment
  UCD103760  Acmispon junceus var. biolettii Frederica Bowcutt 1984-6-23 448 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg on the Sonoma County coast. West of Highway 1, approx. 1/3 mile north of Gerstle Cove. 15 Comment
  CAS-BOT-BC29848  Adenocaulon bicolor Volney Rattan 1877-6-18 s.n. Sonoma Guerneville Comment
  CDA346  Adenostoma fasciculatum D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .273 Sonoma Cavedale Rd. 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
  SJSU2057  Adiantum capillus-veneris A. Bascom 1958-5-16 Sonoma Crane Valley Rd 16 mi SE of Santa Rosa Comment
  SEINET11719537  Adiantum jordanii F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -273 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  RSA0065937  Aegilops triuncialis Greg de Nevers 1989-04 9066 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  CDA1668  Aegilops triuncialis T. C. Fuller 1960-6-14 4484 Sonoma Weeks Ranch, Los Alamos Rd., ca. 8 miles NE/ Santa Rosa 0 Comment
  UCR218642  Aesculus californica George K. Helmkamp, E. A. Helmkamp 2010-6-4 16207 Sonoma North Coast Ranges, Mark West Springs Road, 1.7 rd. miles east of US-101, 2.5 air miles NE (75 deg. ) of Fulton 63 Comment
  CAS-BOT-BC22784  Agoseris heterophylla Alice Eastwood 1921-5-8 10480 Sonoma Petaluma Comment
  CAS-BOT-BC210007  Agrostis Peter Rubtzoff 1970-9-3 s.n. Sonoma Marsh off Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  CAS-BOT-BC383037  Agrostis Greg de Nevers 1989-4-1 9061 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  RSA785752  Agrostis Peter Rubtzoff 1971-6-29 6580 Sonoma Pitkin Marsh, near Forestville Comment
  RSA785907  Agrostis Peter Rubtzoff 1977-9-4 9130 Sonoma Cunningham Marsh area. Ca 1 air mile WSW of Cunningham Station Comment
  RSA785931  Agrostis Peter Rubtzoff 1973-7-24 7195 Sonoma Upper Green Valley Marsh. Comment
  UCD148481  Agrostis Peter Rubtzoff 1964-7-14 5403 Sonoma Bennett Mountain Lake. Comment
  UCD166338  Agrostis Peter Rubtzoff 1968-8-24 5933 Sonoma Upper Salmon Creek Marsh. 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
  UCD51836  Agrostis blasdalei Beecher Crampton 1957-7-11 4340 Sonoma just south of Portugese Beach, Sonoma Coast State Park, 2.5 miles north Salmon Creek. Comment
  UCD37160  Agrostis densiflora Beecher Crampton 1957-7-22 4367 Sonoma Sonoma County, Sonoma Coast State Park, 0.3 mile south of Stewart's Point, bluffs above Fisherman's Bay. 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
  UCD51967  Agrostis densiflora P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCR279633  Agrostis densiflora Peter Rubtzoff 1967-8-22 5854 Sonoma Southeast of lower Salmon Creek Marsh 4 Comment
  UC573815  Agrostis exarata H. S. Yates 1937-6-6 6577 Sonoma 3 mi w Santa Rosa; Santa Rosa Quad. Comment
  SEINET10790020  Agrostis exarata A. Arthur Heller 1902-6-27 Heller 5779 Sonoma West of Windsor near Russian river. Comment
  UC53476  Agrostis exarata Jos. Burtt Davy Jul 1896 Sonoma Russian River Comment
  UCD53510  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC139554  Agrostis gigantea Peter Rubtzoff 1951-7-1 335 Sonoma Pitkin Marsh near Forestville. Western branch of the Upper Marsh. Comment
  UCD52693  Agrostis hallii Freed W. Hoffman 1941-6-28 2067 Sonoma Sonoma Mountain road. Comment
  UCD53026  Agrostis microphylla Beecher Crampton 1959-6-16 5380 Sonoma 1 mile E of Occidental. Comment
  UCD66731  Agrostis microphylla Leo Koch 1940-4-22 837 Sonoma Above Sulfur Creek Geysers. Comment
  HSC100967  Agrostis microphylla Peter Warner, Sarah Gordon 2011-5-27 206 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), ~675 m, N75 deg. E from main residence, E from Mark West Creek Rd., S of 2nd bridge below power lines. 53 Comment
  CAS-BOT-BC139121  Agrostis oregonensis Peter Rubtzoff 1951-6-16 254 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh. Comment
  UCD53084  Agrostis pallens Mary M. Hektner 1975-6-2 196 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC53500  Agrostis stolonifera Jos. Burtt Davy 1899-7-22 6003 Sonoma Guernville Guerneville Comment
  CAS-BOT-BC138397  Aira caryophyllea var. capillaris John Thomas Howell 1944-5-14 s.n. Sonoma Chilero Valley, south Sonoma county. Comment
  CAS-BOT-BC138211  Aira caryophyllea var. caryophyllea David L. Morgan 1955-6-30 s.n. Sonoma Under bridge at Austin Creek, 3 miles west of Monte Rio, State Highway #12. Comment
  UC905117  Aira elegantissima Milo S. Baker 1947-5-7 11748 Sonoma above Baker Ranch; Hood Mt. 213 Comment
  UCD137909  Alisma lanceolatum Ellen Dean 2006-6-28 3179 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. In southeast part of vineyard where a new reservoir is planned 169 Comment
  CAS-BOT-BC445340  Alisma lanceolatum Peter Rubtzoff 1954-8-12 1696 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC445470  Alisma triviale Peter Rubtzoff 1954-6-20 1510 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC376392  Allium Greg de Nevers 1993-5-17 10452 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Devil's Kitchen east of 3865 Franz Valley Rd. 457 Comment
  CAS-BOT-BC469103  Allium dichlamydeum David D. Keck; J. Clausen 1935-6-15 3366 Sonoma 1 mile north of Salmon Creek Comment
  CAS-BOT-BC469108  Allium dichlamydeum John Thomas Howell 1930-6-8 5282 Sonoma 8.5 miles north of Bodega Bay 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-BC311778  Allium sativum Mary P. Wells 1985-7-1 523 Sonoma Ducker Creek bank, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC475434  Allium sativum Mary P. Wells 1985-7-1 523 Sonoma Dike of Ducker Creek, Rincon Valley, Santa Rosa Comment
  UCD138616  Allium unifolium Mary M. Hektner 1975-6-3 202 Sonoma Unit 35-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC169654  Alnus rhombifolia Peter Rubtzoff 1960-6-10 4497 Sonoma Fife Creek Marsh Comment
  RSA786922  Alnus rhombifolia Carrie A. Herd 1982-03 23 Sonoma Crane Creek Regional Park Comment
  RSA800596  Alnus rhombifolia Peter Rubtzoff 1960-9-14 4550 Sonoma Laguna de Santa Rosa, E of Graton, (between Occidental and Guerneville road) Comment
  CAS-BOT-BC169370  Alnus rubra Mary P. Wells 1984-8-9 448 Sonoma Public path through golf course to the sea, The Sea Ranch Comment
  UCD165117  Alnus rubra Peter Rubtzoff 1973-10-10 7338 Sonoma Salmon Creek, 0.25 miles south of Freestone. Comment
  CAS-BOT-BC26747  Alopecurus aequalis Peter Rubtzoff 1955-5-7 1821 Sonoma Guerneville Marsh. Comment
  SJSU6045  Alopecurus aequalis C. W. Sharsmith 1972-6-24 7799 Sonoma Forestville Marsh c. 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  CAS-BOT-BC138150  Alopecurus aequalis var. aequalis Peter Rubtzoff 1955-7-30 1994 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC138044  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1951-6-10 200 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower marshes. Comment
  CAS-BOT-BC137904  Alopecurus saccatus Peter Rubtzoff 1969-5-24 6066 Sonoma Vernal pool 6.5 miles northeast of Pengrove, on Lichan Road. 426 Comment
  JEPS68433  Alopecurus saccatus R. Kuhn 1913-4-15 Sonoma Sonoma Comment
  UCD55951  Alopecurus saccatus Beecher Crampton 1966-5-10 7726 Sonoma 6.5 miles north of Sonoma, State Hwy. 12, Glen Ellen Station, California Div. of Forestry. Comment
  UCR261632  Alopecurus saccatus Ann Howald 2003-5-15 2335 Sonoma Inner North Coast Ranges, Sonoma Mountains, south end, upper east slope, c. 0.1 mile south of Rodgers Creek 205 Comment
  CAS-BOT-BC540839  Amaranthus Peter Rubtzoff 1973-8-20 7235 Sonoma Sonoma Creek bottom hear Agua Caliente Road crossing W of Agua Caliente Comment
  CAS-BOT-BC55541  Ambrosia psilostachya Peter Rubtzoff 1951-9-15 762 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC135665  Amelanchier utahensis Greg de Nevers 1987-4-25 8156 Sonoma Pepperwood Ranch Natural Preserve, 3500 Rranze Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC135672  Amelanchier utahensis John Thomas Howell 1930-6-8 5287 Sonoma 8.5 miles n. of Bodega Bay Comment
  UCD158732  Amelanchier utahensis Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Along Big Sulphur Creek. Ca. 2 mi southeast of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 853 Comment
  CAS-BOT-BC154126  Ammannia Peter Rubtzoff 1973-8-27 7272 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC154122  Ammannia coccinea Peter Rubtzoff 1958-9-27 4005 Sonoma Laguna de Santa Rosa, northwest of Graton (0.5 mi. N of Guerneville Road.) 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
  CAS-BOT-BC222275  Amsinckia Alice Eastwood 1933-5-7 18843 a Sonoma Sonoma Comment
  CAS-BOT-BC222287  Amsinckia John Thomas Howell 1934-3-25 11776 Sonoma Lakeville Comment
  POM64472  Amsinckia spectabilis A. A. Heller 1902-5-27 5614 Sonoma Bodega Bay Comment
  CAS-BOT-BC26970  Amsinckia viridifolia Alice Eastwood 1921-5-8 10484 Sonoma Petaluma Comment
  UCD117429  Anagallis arvensis Jennifer Bury; Peggy Herzog 1993-5-8 297 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile. On Bald Mountain Stem Trail. 371 Comment
  CAS-BOT-BC45082  Anaphalis margaritacea Alice Eastwood 1915-6-29 4810 Sonoma Bodega Point Comment
  CAS-BOT-BC272873  Ancistrocarphus filagineus Greg de Nevers; Frank Almeda 1987-4-11 8134 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  SEINET11845329  Ancistrocarphus filagineus Unknown 1986-1 60049 Sonoma NW of Healsburg, Lake Sonoma area, Rockpile Road ridge, ca 1 mi N of bridge over lake 351 Comment
  UCD56056  Andropogon glomeratus Walter Knight; Irja Knight 1968-1-1 2265 Sonoma on Sulphur Creek, Geysers Resort. Comment
  CAS-BOT-BC137792  Andropogon virginicus var. virginicus R. D. Stone 1983-6-16 555 Sonoma At the Little Geysers, upper Big Sulphur Creek drainage. 701 Comment
  HSC71392  Angelica californica J. M. DiTomaso 1980-6-13 1602 Sonoma 4900 Trinity Rd., between Glen Ellen and Oakville Comment
  UC496379  Anisocarpus madioides Merle Randall 1930-6-7 Sonoma Cazadero Comment
  UCD128891  Anisocarpus madioides F. Bowcutt; Jeff Kennedy, Jolie Henricks 1994-5-1 1758 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles northwest of Napa, 1.5 air miles northeast of Kenwood. In Adobe Canyon north of Sugarload Ridge along the Goodspeed Trail, 200 yards from the trail head on Adobe Canyon Road and just east of Bear Creek, 5 yards north of confluence with Sonoma Creek. 198 Comment
  UCD166185  Anthemis cotula Peter Rubtzoff 1969-8-14 6133 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  CAS-BOT-BC102235  Anthemis cotula Clare R. Wheeler 1978-3-30 140 Sonoma pine Mt. Road. 4 mi. NE of Cloverdale. 548 Comment
  UCD15834  Anthemis cotula K. Mawdsley 1998-6-30 44 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
  RSA293047  Anthemis fuscata Reino Alava 1957-3-23 524 Sonoma Along the State Highway no. 101 at Asti Comment
  CAS-BOT-BC137771  Anthoxanthum aristatum L. Beane; Lois E. James 1949-5-11 1942 Sonoma About half way between Healdsburg and Windsor. Comment
  CAS-BOT-BC280664  Anthoxanthum occidentale Mary P. Wells 1981-8-2 s.n. Sonoma Trail north of Crows Nest Rd. and east of Spy Glass Lane Comment
  CAS-BOT-BC137695  Anthoxanthum odoratum David L. Morgan 1961-4-15 s.n. Sonoma Russian River Highway 4 miles west of Monte Rio. Comment
  SD56677  Anthoxanthum odoratum Darley F. Howe 1963-7-3 3594 Sonoma 20 miles north of junction with Highway 12 on Highway 1. Comment
Read comments
Feb 6 2010
  JEPS103955  Antirrhinum vexillocalyculatum subsp. breweri Jack and Betty Guggolz 1991-6-20 1193 Sonoma ridge running W from an old homesite, about 1 1/4 mi N of Camp Meeker 161 Comment
  CDA41216  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum T. C. Fuller 1958-5-24 4015 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  CDA41217  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Mike Mason 1977-7-11 PDR# 371779 Sonoma River Road near Guerneville. 0 Comment
  POM14616  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum A. A. Heller 1902-6-28 5788 Sonoma Between Knight's Valley and Mark West Springs. 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
  UCD128214  Aralia californica K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  SEINET11987357  Arbutus menziesii W. Knight, Knight, I. 1981-1 3982 Sonoma 5.2 mi up Cavedale Rd from jct of State Rt #12 Comment
  CAS-BOT-BC410002  Arceuthobium campylopodum Carl B. Wolf 1927-9-2 1342 Sonoma 2 miles S of Anchor Cove Comment
  RSA629216  Arctostaphylos Jon E. Keeley 1993-9-11 24777 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC549543  Arctostaphylos J. E. Adams 1934-3-28 720 Sonoma near Santa Rosa; Vine Hill school Comment
  RSA0077990  Arctostaphylos B. A. Stein 1981-3-7 446 Sonoma Vine Hill Rd., 1/2 mile S of Vine Hill School Rd. Comment
  CAS-BOT-BC24078  Arctostaphylos bakeri Walter Knight; Irja Knight 1985-12-29 6378 Sonoma Harrison Grade 213 Comment
  CAS-BOT-BC24086  Arctostaphylos bakeri Roxana S. Ferris; Laura Lorraine 1961-6-15 13566 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road. Comment
  UCD51489  Arctostaphylos canescens Beecher Crampton 1960-5-17 5541 Sonoma 4.5 miles east of Glen Ellen; Trinity Road. Comment
  CDA11166  Arctostaphylos canescens subsp. canescens G. F. Hrusa 1989-1-1 5797 Sonoma North Coast Biodiversity Arena; Along Cavedale Rd., 2 miles E of Hwy 12. Comment
  UC1120918  Arctostaphylos canescens subsp. canescens A. E. Wieslander 1939-3-18 872 Sonoma head of Hooks Canyon Sonoma Quadrangle 487 Comment
  CAS-BOT-BC23891  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1929-2-9 3388 a Sonoma Rincon Hill Comment
  CAS-BOT-BC23897  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1933-4-2 10944 Sonoma Rincon Ridge, near Santa Rosa 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
  UC570377  Arctostaphylos canescens subsp. sonomensis Chas. M. Belshaw 1936-3-8 1577 Sonoma 3/4 mi sw County Farm; North Coast Range, Rincon Ridge 152 Comment
  UC909881  Arctostaphylos canescens subsp. sonomensis J. E. Adams 1935-3-1 1025 Sonoma e Sta. Rosa; Rincon Ridge Comment
  CAS-BOT-BC23868  Arctostaphylos columbiana Mary P. Wells 1983-8-3 s.n. Sonoma The Sea Ranch, timber preserve of Oceanic of California, Inc. Comment
  CAS-BOT-BC24994  Arctostaphylos densiflora John Thomas Howell 1945-5-30 20910 Sonoma Vine Hill School Comment
  JEPS98817  Arctostaphylos densiflora James Roof and Walter Knight 1967-3-20 Sonoma a few mi W of Santa Rosa (Clark's Driveway, Box 5980 on Guerneville Road, near int. with Laguna Road) Comment
  POM367502  Arctostaphylos densiflora L. S. Rose 1934-2-22 34031 Sonoma Vine Hill Region, 10 mi. W of Santa Rosa, Type & only locality. Comment
  SEINET11987288  Arctostaphylos densiflora W. Knight, Knight, I.; Sigg, J.; McClintock, E. 1981-1 3998 Sonoma Strybing Arboretum, San Francisco, originally from Vine Hill District Comment
  CDA11144  Arctostaphylos glandulosa G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11555 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Comment
  SEINET11993024  Arctostaphylos glandulosa W. Knight, Knight, I.; Edwards, S. W. 1985-1 5170 Sonoma 5.1 mi W on Kelly Rd from Rockpile Rd junction, S of Mt. Tom 610 Comment
  RSA631186  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24721 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24720  Arctostaphylos glandulosa subsp. glandulosa J. Clausen 1933-3-25 726 Sonoma About 4 mi. e. of Warfield along the road to Oakville. 213 Comment
  CAS-BOT-BC24725  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1931-3-14 5763 Sonoma Raven Ridge near Santa Rosa. Comment
  CAS-BOT-BC46149  Arctostaphylos glandulosa subsp. glandulosa J. E. Adams 1934-3-28 728 Sonoma Five miles from Seaview, Cazadero Road Comment
  UC1120213  Arctostaphylos glandulosa subsp. glandulosa C. M. Belshaw 1936-3-8 1575 Sonoma 1 1/2 mi n County Farm; Santa Rosa Quadrangle, Ricon Ridge Comment
  UC1281370  Arctostaphylos glandulosa subsp. glandulosa H. E. McMinn 1936-4-4 4384 Sonoma R. L. Stevenson Monument Mt. St. Helena Comment
  RSA631196  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24732 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UCD59408  Arctostaphylos hispidula Roger Raiche 1984-2-3 RR 40016 Sonoma Rockpile Road, 9.1 miles north from its intersection and beginning at Skaggs Spring-Stewarts Point Road. 502 Comment
  CAS-BOT-BC39108  Arctostaphylos hispidula Walter Knight; Irja Knight; Stephen W. Edwards 1985-1-27 5172 Sonoma South-facing slope of ridge barrens south of Mt. Tom. 5.1 miles west on Kelly Road from Rockpile Road junction. 609 Comment
  OBI14676  Arctostaphylos hispidula B. F. Smith 1962-8-3 28 Sonoma 3.5 mi NNW of Occidental 158 Comment
  UCD59409  Arctostaphylos hispidula Roger Raiche 1984-2-3 RR 40028 Sonoma Kelly Road northwest of Mt. Tom (5.3 miles northwest from its origin at Rockpile Road). 533 Comment
  UCSB24400  Arctostaphylos hispidula McMinn, H. 1936-4-5 Sonoma Two miles east of Occidental Comment
  CAS-BOT-BC24406  Arctostaphylos manzanita Roger Raiche; Steve Edwards; Walter Knight; Irja Knight 1983-7-3 4753 Sonoma Populations samples from n. end of study area. The Cedars, near Cazadero. 274 Comment
  UCD51916  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1073 Sonoma 0.2 mile along Wine Creek Road from west Dry Creek Road near Healdsburg. Comment
  RSA202113  Arctostaphylos manzanita Freed W. Hoffman 768 Sonoma Del Preti Hill, headwaters of Fife Creek, near Guerneville. Comment
  RSA96663  Arctostaphylos manzanita P. C. Everett, E. K. Balls 1954-10-20 20374 Sonoma steep, dry, open slopes, 3.2 mi. S of Lake-Sonoma Co. line on road from Middletown to Mt. St. Helena. 671 Comment
  SEINET11990967  Arctostaphylos manzanita Unknown 1983-1 30499 J Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection of Soda Springs Rd Comment
  SEINET11990974  Arctostaphylos manzanita Unknown 1983-1 30491 M Sonoma nr fire road near confluence of Gilliam Creek & Schoolhouse Creek, East Austin Creek State Rec Area 122 Comment
  SEINET12524595 Image available Arctostaphylos manzanita L. S. Rose 1940-1 40004 Sonoma Rincon Ridge, 2 mi E of Santa Rosa 61 Comment
  UCD51915  Arctostaphylos manzanita C. M. Belshaw 1936-3-7 1561 Sonoma 1/2 mile NW of Trenton. 60 Comment
  CAS-BOT-BC38908  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11298 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38676  Arctostaphylos manzanita subsp. manzanita Stephen W. Edwards 1982-5-30 s.n. Sonoma The Cedars Ride north of Cazadero, northwest of King Ridge Road at source of Big Austin Creek on serpentine. Comment
  CAS-BOT-BC38688  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5774 Sonoma Vine Hill District, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38704  Arctostaphylos manzanita subsp. manzanita A. A. Heller; H. E. Brown 1902-3-20 5107 Sonoma Near Windsor Comment
  CAS-BOT-BC38746  Arctostaphylos manzanita subsp. manzanita Ira L. Wiggins 1932-3-12 5762 Sonoma Hillsides between Franz Valley and Knights Valley Comment
  RSA394834B  Arctostaphylos manzanita subsp. manzanita D. Koutnik, Mary Barbercheck 1981-6-18 394834 Sonoma Austin Creek State Recreation Area about four miles north of Guerneville. 488 Comment
  SBBG28821  Arctostaphylos manzanita subsp. manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 mi W of Santa Rosa Comment
  UC726694  Arctostaphylos manzanita subsp. manzanita A. A. Heller 1941-6-4 16161 Sonoma on the Gurneville Road about 2 mi n Graton Comment
  CAS-BOT-BC38692  Arctostaphylos manzanita subsp. manzanita Walter Knight; Irja Knight 1964-2-16 805 Sonoma Sonoma Mt. Rod. near Enterprise Rd. Comment
  UCD52046  Arctostaphylos manzanita subsp. manzanita Christine Lee 1993-4-24 97 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa; south of Sonoma Creek along Hillside Trail. 396 Comment
  CAS-BOT-BC45398  Arctostaphylos nummularia Mary P. Wells 1983-8-3 154 Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch. Comment
  UC549423  Arctostaphylos nummularia J. E. Adams 1934-6-9 832 Sonoma near McNamees Store Comment
  UC549524  Arctostaphylos nummularia J. E. Adams 1934-6-9 830 Sonoma coastal bluffs near McNamees Store Comment
  CAS-BOT-BC43877  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1987-2-5 6081 Sonoma Devil's Kitchen in vicinity of Pepperwood 243 Comment
  LA42283  Arctostaphylos stanfordiana H. F. Copeland; 1933-3-18 A 11 Sonoma Spring Mountain Road, about 8 mi. E of Santa Rosa Comment
  RSA636818  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24740 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636819  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24742 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA636822  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24739 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  JEPS98847  Arctostaphylos stanfordiana subsp. decumbens unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  SBBG28529  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A 11 Sonoma Spring Mtn Rd, ca. 8 mjiles E of Santa Rosa Comment
  UCD112580  Arctostaphylos stanfordiana subsp. stanfordiana Christopher Mallek 2008-5-2 s.n. Sonoma Hooker Canyon. 590 Comment
  RSA517038  Arctostaphylos stanfordiana subsp. stanfordiana Jack Guggolz, Betty Guggolz 1986-2-9 844 Sonoma North of Guerneville Road and west of Frei Road. Comment
  RSA517039  Arctostaphylos stanfordiana subsp. stanfordiana Jack Guggolz, Betty Guggolz 1986-3-3 851 Sonoma 1.2 miles from West Dry Creek Road on south side of Chamise Ridge Road across from spur road to the north. (west of Geyserville) Comment
  SEINET11990978  Arctostaphylos uva-ursi Unknown 1983-1 30488 Sonoma Horseshoe Point, near Kruse Rhodendron State Reserve Comment
  CDA11141  Arctostaphylos viscida G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11552 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Comment
  RSA13420  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-18 A- 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa. Comment
  CAS-BOT-BC137563  Aristida oligantha Greg de Nevers 1987-7-10 8234 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa. 400 Comment
  SBBG5622  Armeria maritima subsp. californica H. and M. Dearing 1939-5-14 3373 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCD98494  Armeria maritima subsp. californica R. H. Miller 1949-4-6 12 Sonoma On coast along Highway 1, about 5 miles south of Jenner. Comment
  CDA391  Arnica discoidea D. G. Kelch 2003-7-14 3 .376 Sonoma Cavedale Road. Comment
  CAS-BOT-BC82562  Arnica discoidea Peter Rubtzoff 1951-8-25 669 Sonoma Forested hills southeast of Guerneville Comment
  CAS-BOT-BC227670  Arrhenatherum elatius Peter Rubtzoff 1979-8-5 9302 Sonoma Freestone Marsh area; along Bohemian Highway at Freestone Flat Road junction, southeast of Freestone marsh. Comment
  SEINET14286772  Arrhenatherum elatius D. Keil 1983-1 17210 Sonoma Stillwater Cove Regional Park Comment
  CAS-BOT-BC172574  Artemisia Peter Rubtzoff 1951-9-3 732 Sonoma Vacation Beach, near Guerneville. Comment
  RSA94406  Artemisia douglasiana F. W. Peirson 1925-8-8 6342 Sonoma Roadside 6 miles south of Santa Rosa Comment
  UC892496  Artemisia pycnocephala Milo S. Baker 1932-6-10 5878 Sonoma next beach n of Salmon Creek Comment
  UC628481  Artemisia suksdorfii J. Clausen 1939-7-20 1715 Sonoma along road just n Jenner (towards Fort Ross) Comment
  CAS-BOT-BC400600  Asarum caudatum Volney Rattan 1877-5-16 s.n. Sonoma Guerneville Comment
  UC1195651  Asclepias solanoana A. R. Kruckeberg 1949-6-4 1762 Sonoma ca 4 mi above Pine Flat (sw of Cobb Mtn.) Comment
  JEPS128388  Aspidotis densa Roger Raiche 2000-4-23 045 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1299770  Aspidotis densa Freed W. Hoffman 1947-5-30 553 Sonoma Austin Creek Layton Mine Comment
  UC42606  Aspidotis densa unknown 1893-3-12 Sonoma Sonoma Comment
  CAS-BOT-BC361328  Asteraceae Greg de Nevers 1997-8-17 11080 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa Oak Hill Ranch 400 Comment
  CAS-BOT-BC477894  Asteraceae Peter Rubtzoff 1974-9-8 7891 Sonoma Forest Hills. 5.5 mi. east of Guerneville. Comment
  UC1573056  Astragalus claranus R. C. Barneby 1954-4-30 11238 Sonoma 7 mi ne Santa Rosa (near Alpine School); ne of Santa Rosa, near Alpine School 152 Comment
  CAS-BOT-BC186742  Astragalus gambelianus Greg de Nevers; Frank Almeda 1987-4-11 8141 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  POM16009  Astragalus gambelianus F. T. Bioletti 1893-06 s.n. Sonoma Hoods Peak Comment
  UC13433  Astragalus gambelianus E. L. Greene 1892-4-20 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC66156  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  UC903146  Athyrium filix-femina var. cyclosorum Ethel Crum 1930-7-27 828 Sonoma 1 mi n Fort Ross; North Coast Ranges Comment
  SEINET3148002  Athysanus pusillus M. S. Baker 1898-3-26 733 Sonoma Hills near McDonald Reservoir Comment
  CAS-BOT-BC290689  Atriplex Peter Rubtzoff 1956-9-15 2898 Sonoma Atascadero Creek Marsh. Comment
  UCD97622  Atriplex prostrata Mary M. Hektner 1975-8-14 228 Sonoma on Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC146140  Avena barbata Mary P. Wells 1984-5-22 263 Sonoma By Commons B, Friends House, Rincon Valley, Santa Rosa. Comment
  SD254556  Azolla filiculoides Ann Howald, Christina Freeman 2015-1-1 3411 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, northwest corner, south of Marsh Trail (Kenwood 7.5'Q) 362 Comment
  CAS-BOT-BC154997  Baccharis douglasii Peter Rubtzoff 1958-8-23 3915 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  UCD148380  Baccharis glutinosa Peter Rubtzoff 1955-9-10 2129 Sonoma Guerneville Marsh. Comment
  UCD148379  Baccharis glutinosa Peter Rubtzoff 1955-9-24 2147 Sonoma Duncans Mills Marsh. Comment
  SD39655  Baccharis pilularis Edith A. Purer 1932-7-27 Sonoma Sand dunes Comment
  POM41966  Baccharis salicifolia Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UC581763  Baccharis salicifolia subsp. salicifolia Joseph P. Tracy 1932-5-8 9900 Sonoma Geyserville North Coast Ranges, Russian River 152 Comment
  CAS-BOT-BC145842  Beckmannia syzigachne Peter Rubtzoff 1955-5-14 1834 Sonoma Ross Marsh. Comment
  CAS-BOT-BC145846  Beckmannia syzigachne Peter Rubtzoff 1962-6-13 4914 Sonoma Americano Creek area. Just south of Bloomfield. Comment
  UC37448  Beckmannia syzigachne Michener and Bioletti 1893-6-10 114 Sonoma Kenwood Comment
  SEINET7596631 Image available Beckmannia syzigachne Mrs. H. P. Bracelin 1930-1 20 Sonoma 1 mi. N of Fort Ross Comment
  UCD122100  Bellardia trixago P. B. Kennedy 1928-5-13 s.n. Sonoma On Napa-Sonoma Highway and counties. Comment
  CAS-BOT-BC290660  Bidens frondosa Peter Rubtzoff 1973-9-4 7297 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  SEINET11842881  Bidens frondosa W. Knight, Knight, I. 1984-1 5291 Sonoma Spring Lake, Santa Rosa Comment
  CAS-BOT-BC100246  Blennosperma bakeri Barbara Keller 1990-4-30 2017 Sonoma grassland on Coleman Valley Rd. 6 miles west of Occidental Comment
  CAS-BOT-BC100249  Blennosperma bakeri Milo S. Baker 1952-3-20 12393 Sonoma Western outskirts of Sonoma on 5th St. between Bettencourt and McArthur Comment
  RSA41980  Blennosperma nanum Ella Dales Cantelow 1941-4-18 3590 Sonoma 2 miles north of Windsor. Comment
  CAS-BOT-BC105961  Blennosperma nanum var. nanum A. A. Heller; H. E. Brown 1902-3-14 s.n. Sonoma Near Windsor Comment
  UC30585  Blennosperma nanum var. nanum F. T. Bioletti 1893-4-1 Sonoma Kenwood Comment
  CAS-BOT-BC105958  Blennosperma nanum var. nanum J. Ed. McClellan; Bonnie McClellan 1975-3-2 s.n. Sonoma Near Summerfiled Road near Bennett Valley, se. of Santa Rosa Comment
  CAS-BOT-BC154954  Boisduvalia Peter Rubtzoff 1974-6-22 7617 Sonoma Bennett Mtn. Lake. Comment
  RSA94294  Boisduvalia densiflora var. densiflora Peter Rubtzoff 1951-7-14 455 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  CAS-BOT-BC28225  Bolboschoenus fluviatilis Peter Rubtzoff 1958-5-31 3684 Sonoma Laguna de Santa Rosa NE of Graton, nr. Guerneville Road. Comment
  SEINET11750298  Bolboschoenus robustus W. Knight, Knight, I. 1984-1 5426 Sonoma Willow Creek Rd 61 Comment
  POM142185  Boykinia occidentalis Michener, Bioletti 1893-06 13 Sonoma Adobe Canyon Comment
  CAS-BOT-BC145446  Brachypodium distachyon Barrett Anderson 1987-4-27 3461 Sonoma Petaluma, south of El Rose and west of D Street. 120 Comment
  CAS-BOT-BC145449  Brachypodium distachyon Mary P. Wells 1984-5-5 329 Sonoma Santa Rosa. Friends House, Rincon Valley. Comment
  UCD56889  Brachypodium phoenicoides Mary M. Hektner 1974-8-29 182 B Sonoma Unit 28 Owner's Map, Sea Ranch. Near State Hwy. 1. Comment
  JEPS87102  Brachypodium pinnatum Peter G. Connors 1991-6-5 127 Sonoma just n of town of Bodega Bay (Salmon Creek Dunes, in State Park); Salmon Creek Dunes, State Park Comment
  SEINET242411  Brassica napus Joe Ditomaso 2001-5-9 s.n. Sonoma Bodega Bay Marine Lab, across from entrance to marine facility, along roadside. Comment
  RSA723660  Brassica rapa R. R. Halse 1987-2-22 3374 Sonoma Along State Hwy 121, 0.4 mile E of its junction with State Hwy 116 at Big Bend in the Sonoma Valley. 6 Comment
  CAS-BOT-BC100477  Brickellia californica Walter Knight; Irja Knight 1963-9-15 292 Sonoma Los Alamos Rd., Santa Rosa Comment
  SJSU810  Briza maxima A. W. Jacobs 1943-5-15 Sonoma near Forestville Comment
Read comments
Sep 17 2008
  UCD57364  Briza maxima Beecher Crampton 1959-6-16 5371 Sonoma 0.2 miles E of Occidental. Comment
  CAS-BOT-BC145481  Briza maxima L. Beane; Lois E. James 1949-5-16 1949 Sonoma About 3 miles south of Cloverdale. Comment
  SEINET10514367  Briza maxima Ira L. Wiggins, Roxana S. Ferris 1943-4-30 Wiggins 10165 Sonoma Roadside 1/2 mile south of Asti, along U.S. Highway 101. 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
  CAS-BOT-BC145285  Briza minor Peter Rubtzoff 1961-10-15 s.n. Sonoma Vacation Beach, 2 miles below Guerneville. On Russian River bottom. Comment
  UC1023569  Briza minor Virginia Bufford 1936-5-1 147 Sonoma w Sebastopol (top of hill); O'Farrell Hill Comment
  UC76949  Briza minor Michener and Bioletti June, 1893 Sonoma Kenwood Comment
  UCD57399  Briza minor Charles B. Heiser Jr. 1946-5-19 1753 Sonoma Russian River near Duncan Mills. Comment
  RSA94605  Briza minor Peter Rubtzoff 1951-6-9 154 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC132209  Brodiaea californica var. leptandra Milo S. Baker 1925-1-1 234 local Sonoma Adobe [Canon] Canyon above Kenwood Sps. Comment
  JEPS27976  Brodiaea elegans subsp. elegans Rimo Bacigalupi and L. Heckard 1961-6-9 7733 Sonoma at junction of Joy Road and Bittner Road 1.75 mi sw Occidental 249 Comment
  UCD160815  Brodiaea elegans subsp. elegans James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3354 Sonoma Section 10, One-quarter mile west of Eagle Rock on Geysers Road, The Geysers. (Elevation and coordinates estimated by label maker). 396 Comment
  CAS-BOT-BC484387  Brodiaea elegans subsp. elegans James L. Reveal 1987-6-7 6413 Sonoma Along Cavedale Road, about 1.5 miles south of Trinity Road, about 13 airline miles southeast of Santa Rosa 579 Comment
  CAS-BOT-BC486543  Brodiaea elegans subsp. elegans G. DeNevers 1981-6-1 1427 Sonoma Pepperwood Ranch by the Pippindale Garden Comment
  UC963918  Brodiaea leptandra Milo S. Baker 1947-5-30 11771 Sonoma sw slope Hood Mt. (near house trail from Gray Ranch) Comment
  SEINET9636479 Image available Brodiaea stellaris Fred W. Hoffman 1947-5-18 541 Sonoma ca. 2 miles east of Occidental. Comment
  JEPS6194  Brodiaea terrestris subsp. terrestris Peter Kamb 1950-6-17 1880 Sonoma 2.9 mi w fork in road to Bodge and Valley Fork (Larkspur Rock, s side of Cheney Gulch); Larkspur Rock 30 Comment
Read comments
Jan 20 2008
  JEPS7714  Brodiaea terrestris subsp. terrestris P. B. Kennedy 1919-5-16 Sonoma Del Mar Comment
  CAS-BOT-BC486472  Brodiaea terrestris subsp. terrestris H. C. Cantelow 1936-5-3 s.n. Sonoma Between Shellville and Verano Comment
  CAS-BOT-BC486476  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1974-5-19 7447 A Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from (west of) Llano Road. Comment
  CAS-BOT-BC487728  Brodiaea terrestris subsp. terrestris Peter Rubtzoff 1962-6-1 4871 Sonoma Freestone Marsh Comment
  CAS-BOT-BC144167  Bromus J. W. Congdon 1880-5-1 s.n. Sonoma Petaluma. Comment
  SBBG33935  Bromus carinatus L. S. Rose 1962-4-18 62024 Sonoma 1 mi NW of Freestone 76 Comment
  UCD58258  Bromus carinatus Collector unknown 1941-6-1 Sonoma Santa Rosa. Veteran's Park. Comment
  UCD58259  Bromus carinatus Collector unknown 1941-6-1 Sonoma Garden in Santa Rosa. Comment
  CAS-BOT-BC149083  Bromus carinatus var. carinatus David L. Morgan 1961-4-15 s.n. Sonoma Bluffs, Bodega Bay. Comment
  CAS-BOT-BC149088  Bromus carinatus var. carinatus John H. Thomas 1976-6-16 18343 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  UC1155625  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1942-5-12 3231 Sonoma 2.8 mi n of Occidental (on road to Monte Rio) Comment
  CAS-BOT-BC155955  Bromus commutatus John Thomas Howell 1947-6-26 23305 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC155657  Bromus diandrus Mary P. Wells 1984-5-30 317 Sonoma Santa Rosa. Friends House, Rincon Valley. Comment
  RSA789052  Bromus diandrus Carrie A. Herd 1982-5-4 86 Sonoma Rohnert Park, C.S.U, Sonoma. between dorms and Rancho Cotati High School. Comment
  CAS-BOT-BC155210  Bromus hordeaceus Peter Rubtzoff 1951-6-16 238 Sonoma Pitkin Marsh near Forestville. Western branch of the Upper Marsh. Comment
  SBBG26403  Bromus laevipes B. Crampton 1965-6-30 Sonoma summit of Vaca Mts, near county line 872 Comment
  UCD58929  Bromus laevipes Beecher Crampton 1953-5-19 1296 Sonoma 10 miles west of Calistoga. Hwy. 128. Comment
  UCD36537  Bromus madritensis subsp. madritensis Beecher Crampton 1954-4-26 1794 Sonoma Sonoma County, at border with Mendocino County, 3 miles north of Cloverdale, along U.S. Highway 101. Comment
  CAS-BOT-BC161703  Bromus rubens A. A. Heller 1902-4-4 5216 Sonoma Hills near Santa Rosa. Comment
  CAS-BOT-BC161582  Bromus sterilis G. DeNevers 1981-4-23 788 Sonoma Pepperwood Ranch. Pippindale farm. In Garden. Also along roads to Garden and along Mesa. Comment
  UCD60232  Bromus vulgaris B. Crampton 1955-6-17 2963 Sonoma 2 miles east of Fort Ross. Comment
  RSA0064342  Calamagrostis Peter Rubtzoff 1967-8-22 5856 Sonoma Hillside depression southeast of lower Salmon Creek Marsh. Comment
  UC1026380  Calamagrostis bolanderi John Thomas Howell 1947-6-26 23312 Sonoma Cunningham Marsh Comment
  UC1146621  Calamagrostis bolanderi Freed W. Hoffman 1943-6-20 2058 Sonoma near Salt Point (Eckert Ranch); North Coast Ranges, Sonoma Coast Comment
  UCD57038  Calamagrostis bolanderi P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCD57039  Calamagrostis bolanderi Freed W. Hoffman 1941-6-15 2157 Sonoma North Coast Ranges, Sonoma Coast, Eckert's Ranch near Salt Point. Comment
  RSA126854  Calamagrostis nutkaensis H. S. Yates 1937-5-30 6559 Sonoma 2 miles N. E. of Freestone; Sebastapol. 122 Comment
  CDA6850  Calendula arvensis J. T. Howell 1946-3-31 21591 Sonoma Just east of Sonoma. 0 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
  CAS-BOT-BC273239  Calendula arvensis Milo S. Baker 1946-4-2 11306 Sonoma Along an overflow channel West side of Sonoma Cr. a mile or so south of El Verano Comment
  RSA176434  Calendula arvensis Peter H. Raven 1963-4-28 18257 Sonoma Just west of El Verano. Comment
  UCR142045  Calendula officinalis Beecher Crampton 1970-3-12 8545 Sonoma Sonoma, 1st Street West, just south of RR depot 30 Comment
  RSA0035354  Callitriche Peter Rubtzoff 1972-6-29 6813 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC331476  Callitriche trochlearis Peter Rubtzoff 1961-5-24 4604 Sonoma Upper Stemple Creek Marsh. Comment
  JEPS61627  Calochortus amabilis Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  JEPS78289  Calochortus amabilis Susan Smith, Jim Roof, and Barbara Deutach 1979-6-17 Sonoma about 8 mi w Calistoga (along Calistoga road) Comment
  UC3454  Calochortus amabilis unknown 1890-1 Sonoma Howard's Comment
  UC3418  Calochortus luteus Carl Purdy 1821-1 Sonoma Windsor Comment
  RSA491702  Calochortus luteus James L. Reveal 1987-6-7 6412 Sonoma Along Cavedale Road, about 1.5 mile south of Trinity Road, about 13 airline miles southeast of Santa Rosa 579 Comment
  SD69996  Calochortus luteus Darley F. Howe 1968-5-21 Sonoma 7.7 miles on road east of Petaluma. 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
  UCD161318  Calochortus superbus James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3716 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/2 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Coordinates estimated by label maker.) Comment
  CAS-BOT-BC494025  Calochortus tolmiei Wayne Roderick 1967-5-15 s.n. Sonoma 1 mile n. of Fort Ross 22 Comment
  CAS-BOT-BC494038  Calochortus tolmiei A. A. Heller 1940-5-10 15612 Sonoma West of Slag's Springs on the Stewart Point road. Comment
  CAS-BOT-BC132635  Calochortus uniflorus Alice Eastwood 1921-4-24 10336 Sonoma Santa Rosa Comment
  UC1299336  Calochortus vestae Freed W. Hoffman 1950-5-27 3598 Sonoma Gilliam Creek, a branch of East Austin Creek North Coast Ranges, Morrison Ridge, East Austin Creek Comment
  UC1299278  Calycadenia multiglandulosa Freed W. Hoffman 1948-6-1 2679 Sonoma 2 mi e Occidental; North Coast Ranges Comment
  UCSC000752  Calycadenia multiglandulosa C. M. Hoak 2008-7-31 s.n. Sonoma Monte Rio Comment
  UCD129819  Calycadenia multiglandulosa Jack Guggolz; Betty Guggolz 1990-6-16 1064 Sonoma north side of intersection of Occidental Road and Facendini Lane on serpentine. Comment
  CAS-BOT-BC270848  Calycadenia pauciflora David D. Keck 1944-7-11 5511 Sonoma The Geysers, Mayacamas Range Comment
  CAS-BOT-BC270843  Calycadenia pauciflora Gerald D. Carr 1972-3-20 688 Sonoma 2.0 miles N of Highway 128 on Ida Clayton Road 487 Comment
  UCD129872  Calycadenia pauciflora Jack Guggolz; Betty Guggolz 1990-6-22 1074 Sonoma north side of Ida Clayton road 2.15 miles from Highway 128. Comment
  SEINET9343982  Calycadenia truncata Unknown 1993-10-2 11423 Sonoma Sonoma Comment
  CAS-BOT-BC90988  Calycanthus occidentalis Peter Rubtzoff 1952-6-10 1237 Sonoma Northeast slopes of Fitch Mountain, near Healdsburg. Comment
  CAS-BOT-BC90992  Calycanthus occidentalis Peter Rubtzoff 1974-6-2 7529 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC91009  Calycanthus occidentalis James McMurphy 1909-5-29 s.n. Sonoma Near the Geysers. Comment
  POM149134  Calycanthus occidentalis Michener, Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  RSA144394  Calycanthus occidentalis Roxana S. Ferris, Laura Lorraine 1961-6-15 13554 Sonoma Green Valley Road 0.8 miles E of junction with Harrison Grade Road. Comment
  JEPS21820  Calypso bulbosa Roy Ramberg 1958-4-5 Sonoma 1/2 mi se of Occidental (in Redwood Picnic Area); Redwood Picnic Area 45 Comment
  JEPS46298  Calypso bulbosa Eleanor Armstrong 1933-4-1 660 Sonoma Camp Meeker 45 Comment
  UCSB915  Calypso bulbosa var. occidentalis Keator, Glenn 1959-4-1 Sonoma 0.3 miles west of Digger Indian Reservation; on Stewart's Point-Geyserville highway Comment
  UC353894  Calystegia collina subsp. collina Milo S. Baker 1927-5-7 2146 Sonoma Fitzsimmon's Grade , Fitzsimmon's Grade (Adobe Canyon) Comment
  RSA0059883  Calystegia collina subsp. oxyphylla Roxana S. Ferris, Laura Lorraine 1948-6-9 11660 Sonoma Summit of grade between Mark West Valley and Franz Valley. Comment
  UCR255740  Calystegia purpurata subsp. purpurata Greg de Nevers 1993-5-9 10440 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC224742  Calystegia purpurata subsp. saxicola John Thomas Howell 1930-6-8 5290 Sonoma 8.5 miles n. of Bodega Bay Comment
  RSA0056560  Camassia quamash subsp. quamash Greg de Nevers 1996-4-18 10790 Sonoma Knights Valley, marsh at south end of valley at base of hills, on Bavarian Lion Ranch. 137 Comment
  CAS-BOT-BC251259  Camissonia Peter Rubtzoff 1972-4-23 6739 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  POM31995  Camissonia strigulosa A. A. Heller, H. E. Brown 1902-5-27 5613 Sonoma Bodega Bay. Comment
  UCD103511  Camissoniopsis cheiranthifolia H. A. Borthwick 1925-6-7 1844 Sonoma Willow Camp. Comment
  JEPS6118  Campanula angustiflora Milo S. Baker 1947-5-8 11756 Sonoma w slope Hood Mt. (at top of Rose Butte); Rose Butte 243 Comment
  SEINET10905990  Campanula californica Wolf 1927-9-2 WOLF 1355 Sonoma 1 mile south of the Gualala River on coast road Comment
  RSA456184  Campanula prenanthoides Lester Rowntree 1931-7-15 s.n. Sonoma Stewart Pt. Skaggs Springs Road. Comment
  SEINET10463218  Campanula prenanthoides Rattan 1877-6-14 RATTAN s.n. Sonoma Guerneville Comment
  CAS-BOT-BC37758  Cardamine californica A. A. Heller; H. E. Brown 1902-3-17 5088 Sonoma Hills 8 miles northeast of Santa Rosa. Comment
  CAS-BOT-BC37769  Cardamine californica Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs. Comment
  CDA37789  Cardamine californica G. F. Hrusa, R. Gross 1996-3-8 12657 Sonoma North Coast Biodiversity Arena; Above lower Foote Creek. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. 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
  SD130426  Cardamine californica F. Almeda, G. DeNevers 1981-3-30 4889 Sonoma Pepperwood Ranch Comment
  UCD114498  Cardamine californica R. H. Miller 1949-4-6 24 Sonoma 5 miles southeast of Monte Rio, on Highway 12. Comment
  RSA143726  Cardamine californica var. integrifolia A. A. Heller, H. E. Brown 1902-3-14 5056 Sonoma Near Santa Rosa Comment
  UC727778  Cardamine oligosperma Milo S. Baker Apr. 1946 11309 Sonoma Brookside Garden near Kenwood; Brookside Garden near Kenwood Comment
  CAS-BOT-BC281771  Carduus pycnocephalus Roxana S. Ferris; Laura Lorraine 1948-6-9 11658 Sonoma Franz Valley Rd about 0.75 mile from Mark West Rd Comment
  UC796491  Carduus pycnocephalus subsp. pycnocephalus Roxana S. Ferris and Laura Lorraine 1948-6-9 11658 Sonoma about 3/4 of a mi from Mark West Road Franz Valley Road Comment
  CAS-BOT-BC281794  Carduus tenuiflorus S. Saufferer 1973-5-24 219 Sonoma Bodega Bay near the ocean Comment
  UCR248908  Carex Peter Rubtzoff 1976-5-30 8562 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  UCR255714  Carex abrupta Peter Rubtzoff 1958-6-1 3691 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road 30 Comment
  JEPS117069  Carex albida Peter Warner 2008-5-22 92 Sonoma Lower Pitkin Marsh, 1 mi SE of Forestville, on Sonoma Land Trust parcel, S of primary stream channel 44 Comment
  CAS-BOT-BC18137  Carex athrostachya Peter Rubtzoff 1954-7-4 1530 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC18144  Carex athrostachya Peter Rubtzoff 1958-7-5 3743 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC320583  Carex athrostachya Peter Rubtzoff 1970-6-14 6260 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  UCR208538  Carex athrostachya Peter Rubtzoff 1960-5-29 4426 Sonoma Laguna de Santa Rosa near Trenton [Rd.], south of Woolsey Road Comment
  CAS-BOT-BC329308  Carex barbarae Peter Rubtzoff 1974-6-2 7516 Sonoma Upper Green Valley Marsh. Comment
  UCR249345  Carex barbarae Peter Rubtzoff 1958-5-4 3629 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC19372  Carex barbarae Bioletti 1893-6-1 s.n. Sonoma Los Guilicos Valley. Comment
  CAS-BOT-BC311815  Carex barbarae Peter Rubtzoff 1959-6-27 s.n. Sonoma Laguna de Santa Rosa northeast of Graton (ca. 0.5 miles north of Guerneville Road crossing). Comment
  RSA0031800  Carex bolanderi Peter Rubtzoff 1954-8-2 1621 Sonoma Duncans Mills Marsh. Upper portion of the marsh. Comment
  UC70634  Carex bolanderi Bioletti 1893-6-5 Sonoma South Los Guilucos Valley Comment
  UCR249076  Carex bolanderi Peter Rubtzoff 1954-8-2 1621 Sonoma Duncan Mills Marsh, upper portion of marsh 2 Comment
  CAS-BOT-BC110183  Carex buxbaumii Peter Rubtzoff 1951-6-7 129 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  UCD140186  Carex buxbaumii Frederica Bowcutt 1994-6-12 1851 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon along Pony Gate Trail along east west trending stretch before entering woodland. 411 Comment
  UC1227  Carex comosa Jos. Burtt Davy 1896-7-22 Sonoma flats along Russian River near Guerneville; Russian River Comment
  CAS-BOT-BC242637  Carex densa Peter Rubtzoff 1958-4-26 3603 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC242641  Carex densa Peter Rubtzoff 1959-4-18 4033 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 0.5 mi. north of Guerneville Road crossing Comment
  CAS-BOT-BC20474  Carex densa G. DeNevers 1981-3-25 570 Sonoma Pepperwood Ranch. North of 3 Tree Hill. Comment
  CAS-BOT-BC20516  Carex densa Peter Rubtzoff 1975-7-3 8148 Sonoma Sonoma County Marshes. Kenwood Marsh. Comment
  CAS-BOT-BC290571  Carex echinata subsp. phyllomanica Peter Rubtzoff; Bacigalupi; Chuang; Heckard 1971-6-10 6536 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC19952  Carex exsiccata John Thomas Howell; J. W. Stacey 1937-6-6 13026 Sonoma Sebastopol. Comment
  UC728666  Carex globosa Milo S. Baker 1941-4-5 9925 Sonoma Calistoga-Franz Valley road 1/2 mi s School House (e a short distance on side of road) Comment
  CAS-BOT-BC28326  Carex gracilior John Thomas Howell 1947-6-5 23241 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC28364  Carex gracilior Peter Rubtzoff 1958-5-10 3635 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road) Comment
  UC1026416  Carex gracilior Peter Rubtzoff 1951-6-16 12246 Sonoma near Forestville (w branch of the Upper Marsh); Pitkin Marsh Comment
  UC856  Carex gracilior H. N. Bolander April 1864 3867 Sonoma Russian River Comment
  CAS-BOT-BC26256  Carex gracilior H. N. Bolander 3822 Sonoma unspecified Comment
  CAS-BOT-BC28332  Carex gracilior Henry Nicholas Bolander 1864-4-1 3822 a Sonoma Meadow at Cloverdale. Comment
  CAS-BOT-BC28370  Carex gracilior Peter Rubtzoff 1955-4-23 1779 Sonoma Bennett Mountain Lake. Comment
  UC855  Carex gracilior H. N. Bolander 1866-4-12 4635 Sonoma Comment
Read comments
Apr 5 2008
  UCR248716  Carex gynodynama Peter Rubtzoff 1962-5-11 4829 Sonoma Freestone Marsh 79 Comment
  RSA0022421  Carex gynodynama Peter Rubtzoff 1964-5-20 5317 Sonoma Brooks Gulch Marsh. Comment
  RSA0023065  Carex gynodynama Peter Rubtzoff 1957-5-4 3310 Sonoma Duncans Mills Marsh. Comment
  RSA0023066  Carex gynodynama Peter Rubtzoff 1957-5-11 3331 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC311836  Carex harfordii Peter Rubtzoff 1974-6-2 7513 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC320574  Carex harfordii Peter Rubtzoff 1964-5-20 5304 Sonoma Brooks Gulch Marsh. Comment
  RSA758131  Carex harfordii Peter Rubtzoff 1954-6-20 1499 Sonoma Guerneville Marsh Comment
  RSA115456  Carex hendersonii Beecher Crampton 1955-6-17 2953 Sonoma 4.5 miles south of Cazadero. Comment
  CAS-BOT-BC350928  Carex laevicaulis Peter Rubtzoff 1951-9-2 724 a Sonoma Pitkin Marsh, near Forestville. Comment
  RSA0034190  Carex leptopoda Peter Rubtzoff 1960-6-7 4459 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC119732  Carex nebrascensis John Thomas Howell 1947-6-26 23309 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC119307  Carex obnupta John Thomas Howell; J. W. Stacey 1936-7-26 12676 Sonoma Pitkin Marsh, 5 mi N of Sebastopol. Comment
  SD88337  Carex obnupta Darley F. Howe 1972-5-2 Sonoma Duncan Mills Pond. Comment
  CAS-BOT-BC119290  Carex ovalis John Thomas Howell 1947-6-26 23240 Sonoma Cunningham Marsh. Comment
  RSA94273  Carex ovalis Peter Rubtzoff 1951-7-7 378 Sonoma Pitkin Marsh, near Forestville; Eastern branch of the upper marsh. Comment
  CAS-BOT-BC331479  Carex rostrata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC117671  Carex serratodens Ella D. Cantelow 1938-5-15 2405 Sonoma 5.2 mi S of the Geyers. Comment
  RSA0020343  Carex simulata Peter Rubtzoff 1976-5-30 8561 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC329281  Carex stipata Peter Rubtzoff 1958-5-17 3679 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC249294  Carex subbracteata Peter Rubtzoff 1959-6-13 4124 Sonoma Willow Creek Marsh Comment
  HSC7082  Carex subbracteata L. S. Rose 1964-6-3 64052 Sonoma N end of Bodega Bay swamp 2 Comment
  CAS-BOT-BC115833  Carex subfusca Peter Rubtzoff 1976-5-30 8566 Sonoma Kenwood Marsh. Comment
  UCD140916  Carex subfusca Peter Rubtzoff 1954-7-5 1537 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC350935  Carex tumulicola Peter Rubtzoff 1957-5-26 3359 Sonoma Occidental Marsh. Comment
  UCSB51193  Carpobrotus chilensis 1976-5-1 Sonoma Bluff above N. Salmin Creek Beach, Sonoma Co. State Beaches 18 Comment
  UCD19304  Carpobrotus edulis Terry Reedy 1974-5-11 204 Sonoma Bodega Head, between road and freshwater marsh. 3 Comment
  CDA36976  Carthamus leucocaulos J. H. Shelgren 1976-5-7 16 Sonoma Vicinity of Asti. 0 Comment
  CDA7005  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma ca. 1 mile west of the Asti turn-off of the freeway, Highway 101, Asti. 0 Comment
  SEINET13331041 Image available Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma 0.25 acre of weed scattered over 2 acres, abundant on both slopes of the dam of a reservoir, about 1 mi. W. of the Asti turn-off of the freeway, Hwy 101, Asti Comment
  RSA664100  Carthamus tinctorius J. C. Roos, L. Roos 1956-9-2 6599 Sonoma Healdsburg dump Comment
  SEINET7042572  Castilleja affinis A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  CDA41344  Castilleja ambigua T. C. Fuller 1958-5-24 4013 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  JEPS15564  Castilleja ambigua subsp. ambigua Peter Kamb and Francia Chisaki 1950-6-16 1859 Sonoma 1 mi n Sousa Corners (nw of Sebastopol); Pitkin Marsh Comment
  JEPS27377  Castilleja ambigua subsp. ambigua H. W. Grinnell 1933-7-21 Sonoma Bodega Bay, old road Bodega Bay Comment
  LA209431  Castilleja densiflora H. E.; S. T. Parks 1930-5-7 632 Sonoma N end of Kinght's Valley 106 Comment
  UC27170  Castilleja densiflora subsp. densiflora Harley P. Chandler 1900-5-25 706 Sonoma Bodega Bay Comment
  UC65828  Castilleja densiflora subsp. densiflora A. A. Heller 1902-4-18 5307 Sonoma Windsor Comment
  HSC82079  Castilleja exserta subsp. exserta Thomas W. Nelson, Jane P. Nelson 1980-5-3 5126 Sonoma Along Roberts Rd. ca. 100 m past bridge over Copeland Creek, E of Rhonert Park 61 Comment
  CAS-BOT-BC243855  Castilleja latifolia Alice Eastwood 1915-6-29 4835 Sonoma Bodega Point Comment
  SEINET7042575  Castilleja rubicundula subsp. lithospermoides A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  CHSC1708  Castilleja subinclusa subsp. franciscana 1947-3-31 Sonoma Bodega. 60 Comment
  JEPS3672  Castilleja subinclusa subsp. franciscana C. R. Bell 1951-4-29 1103 Sonoma near Bodega; Larkspur Rock Comment
  JEPS8512  Castilleja wightii W. L. Jepson 1931-7-19 15956 Sonoma bluffs at Scott Creek 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
  UC1374936  Castilleja wightii Noel H. Holmgren and Liew Fah Seong 1969-6-23 3607 Sonoma by entrance Shell Beach (Calif Hwy 1, 18.6 mi n of Marin County line) Comment
  UC495533  Castilleja wightii Merle Randall 1930-6-10 Sonoma shore above mouth of Russian River Comment
  HSC90796  Castilleja wightii L. R. Heckard 1964-6-12 1383 Sonoma Off Hwy. 1 near the point where road descends into Russian Gulch, about 2 mi. N of Mouth of Russian River Comment
  SEINET10549479  Castilleja wightii Noel H. Holmgren, James L. Reveal 1966-6-6 Holmgren 2650 Sonoma California 1, 2 mi s of california 116 junction, t7n, t11w, common on exposed Hillside and road bank away from salt spray. Inflorescence mostly red, sometimes Orange. Comment
  CAS-BOT-BC39437  Caulanthus lasiophyllus Greg de Nevers 1993-4-27 10408 Sonoma Pepperwood Ranch Natural Reserve. 3450 Franz Valley Road. Along Mark West Springs Road. 457 Comment
  CAS-BOT-BC47802  Ceanothus John Thomas Howell 1935-5-5 12618 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UCD168053  Ceanothus James Neilson 1978-6-9 3963 Sonoma Mayacmas Mountains, Shell Well Site E. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  UC1071291  Ceanothus confusus C. M. Belshaw 1936-3-8 1571 Sonoma Rincon Ridge, 1 1/2 mi N of County Farm 251 Comment
  UCSB21172  Ceanothus confusus McMinn, H. 1944-11-5 Sonoma Rincon Ridge Comment
  CAS-BOT-BC49197  Ceanothus cuneatus Walter Knight; Irja Knight 1963-12-27 477 Sonoma Summit, Pine Flat Rd. Comment
  RSA164626  Ceanothus divergens subsp. confusus Percy C. Everett 1963-11-21 11808 Sonoma N Rincon Ridge, NE santa Rosa, Parker Hill Road 183 Comment
  UC1070625  Ceanothus foliosus H. S. Yates 1934-4-21 3827 Sonoma 2 mi n County Farm; Santa Rosa quad. 243 Comment
  UC33653  Ceanothus foliosus F. T. Bioletti 1892-1 Sonoma Sonoma Comment
  CAS-BOT-BC49909  Ceanothus foliosus var. foliosus Michener; Bioletti 1893-6-1 s.n. Sonoma Hoods Peak Comment
  UC1254089  Ceanothus foliosus var. foliosus J. A. Delapp 1964-3-20 72 Sonoma Black Mountain 487 Comment
  RSA177943  Ceanothus foliosus var. vineatus Robert F. Thorne 1965-4-19 34318 Sonoma Vine Hill School Road 1/2 mile from Vine Hill Road. 76 Comment
  UCD112132  Ceanothus foliosus var. vineatus Ray Prag 1970-6-9 s.n. Sonoma Vine Hill School Road, 3/4 mile east of Vine Hill Road. Comment
  RSA0005484  Ceanothus foliosus var. vineatus H. E. McMinn 1936-4-5 4406 Sonoma West of Vine Hill School, ca. 10 miles west of Santa Rosa. Comment
  CAS-BOT-BC50002  Ceanothus gloriosus John Thomas Howell 1935-5-5 12616 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50011  Ceanothus gloriosus Milo S. Baker 1935-4-1 8032 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50017  Ceanothus gloriosus John Thomas Howell 1937-4-11 12900 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UCD112155  Ceanothus gloriosus var. exaltatus L. Whitney 1932-4-1 s.n. Sonoma Vine Hill district, Santa Rosa. Comment
  CAS-BOT-BC49977  Ceanothus gloriosus var. gloriosus Carl B. Wolf 1927-9-2 1341 Sonoma 2 miles South of Anchor Cove Comment
  CAS-BOT-BC63738  Ceanothus griseus Carl B. Wolf 1941-7-30 11109 Sonoma Along coast, 3 mi. n. Jenner. Comment
  RSA136660  Ceanothus griseus A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross. Comment
  RSA276845  Ceanothus integerrimus James I. McMurphy 1909-5-29 s.n. Sonoma Creek between Geyser Mtn and the Geysers Comment
  RSA1120  Ceanothus integerrimus var. californicus B. D. Stark, H. E. McMinn 1929-7-22 1380 Sonoma Sonoma-Mendocino County line. Comment
  SEINET12211128  Ceanothus integerrimus var. californicus W. Knight, Knight, I.; Edwards, S. 1986-1 5319 Sonoma Along trail to summit of Geyser Peak. Access from Healdsburg-Geysers Road 876 Comment
  UC1070782  Ceanothus jepsonii E. Armstrong 1934-3-26 935 Sonoma 4 mi nw Camp Meeker; Sebastopol quad Comment
  UC1299548  Ceanothus jepsonii Freed W. Hoffman 1947-2-28 765 Sonoma near Guerneville (headwaters of Gilliam Creek); North Coast Ranges, headwaters of Gilliam Creek Comment
  SACT002940  Ceanothus jepsonii J. Mensch 1963-4-10 Sonoma 15 miles east of Stewarts Point on road from Geyserville. Comment
  UCD112062  Ceanothus jepsonii R. H. Neuns 1950-5-5 104 Sonoma 2 1/2 miles west of Mercuryville. 914 Comment
  JEPS42422  Ceanothus jepsonii var. albiflorus W. L. Jepson 1924-4-27 10377 Sonoma Mt. St. Helena, E side, on Middleton grade Comment
  UC75645  Ceanothus oliganthus var. sorediatus Milo S. Baker 1898-4-23 27 Sonoma Santa Rosa Canyon Comment
  CAS-BOT-BC51869  Ceanothus parryi H. E. McMinn 1922-6-7 s.n. Sonoma Near Monte Rio Comment
  CAS-BOT-BC51884  Ceanothus parryi Greg de Nevers 1987-1-8 8122 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  UC1254088  Ceanothus parryi J. A. Delapp 1964-4-30 74 Sonoma Near Black Mountain Comment
  UC73364  Ceanothus parryi Milo S. Baker May, 1899 Sonoma near Occidental; Green Valley Comment
  RSA301114  Ceanothus parryi D. C. Michener 1982-7-26 4121 Sonoma Graton road 5.6 miles W of RR xing in Graton, 0.2 miles E of jct with Bohemian Hwy Comment
  RSA32475  Ceanothus parryi Leo Koch 1939-05 631 Sonoma Campus of Santa Rosa Junior college, from Transplant near Qecidental Comment
  CAS-BOT-BC53042  Ceanothus sonomensis A. A. Heller; H. E. Brown 1902-3-27 s.n. Sonoma Western Base of Mt. Hood Comment
  CHSC114356  Ceanothus sonomensis D. G. Kelch; Ed Biffin 2010-5-30 10 .193B Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. 71 Comment
  RSA755235  Ceanothus sonomensis Dylan O. Burge 2007-4-26 DOB 895 c Sonoma Mayacmas Mts.: head of Hooker Canyon, roadside on Cavedale Road, 4.0 road miles east of SR 12, 4.9 km 85 degrees true ENE of Glen Ellen. 560 Comment
  SD88410  Ceanothus sonomensis D. F. Howe 1972-4-28 Sonoma Trinity Road, Mt. Hood Range 395 Comment
  UC1281389  Ceanothus sonomensis H. E. McMinn 1941-4-27 5324 Sonoma Trinity road, Mt. Hood Range. Comment
  UCR250220  Ceanothus sonomensis Peter Warner 2013-3-27 272 Sonoma Glen Oaks Ranch, c. 1 mi east of Glen Ellen, in northeast part of ranch 168 Comment
  UCD112733  Ceanothus thyrsiflorus var. griseus Mary M. Hektner 1976-5-10 251 Sonoma Along old fence on California Highway 1, Unit 35-A Owners' Map, Sea Ranch. Comment
  CAS-BOT-BC52398  Ceanothus velutinus Walter Knight; Irja Knight 1964-2-27 560 Sonoma Seaview Comment
  SEINET6165161 Image available Ceanothus velutinus Unknown 1981-6-8 s.n. Sonoma Ridge between N and S peaks of Mt. St. Helena 1219 Comment
  CAS-BOT-BC52417  Ceanothus velutinus var. velutinus Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano Comment
  CAS-BOT-BC277019  Centaurea iberica Greg de Nevers 1992-6-16 10167 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  CDA19936  Centaurea melitensis McArthur 2002-7-2 PDR P 092644 Sonoma Northern California; Annadel State Park. 0 Comment
  UCD82017  Centaurium tenuiflorum Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glenn Ellen). Vernal pool plot BEB2F. 189 Comment
  UCD160839  Centromadia fitchii James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3482 Sonoma Section 10, ca. 1 mile west of the Geysers Resort. (Exact location unknown. Elevation and coordinates estimated by label maker.) 396 Comment
  CAS-BOT-BC271550  Centromadia parryi subsp. rudis Walter Knight; Irja Knight 1985-9-23 5181 Sonoma Lower Tubbs Island about 1/4 mile from San Pablo Bay 0 Comment
  CAS-BOT-BC251307  Cerastium Peter Rubtzoff 1967-8-28 s.n. Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC384973  Cerastium arvense Alice Eastwood 1915-6-29 4812 Sonoma Bodega Point Comment
  JEPS76935  Cerastium arvense Robert M. Lloyd 1963-2-24 2062 Sonoma 0.2 mi. n. Bodega Bay City (on State Hwy. 1) Comment
  CAS-BOT-BC384978  Cerastium arvense Catherine Best 1983-4-16 s.n. Sonoma Along the Coleman Valley Rd. about 5 miles West of Occidental Comment
  CDA36843  Cerastium glomeratum CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  CAS-BOT-BC388435  Cerastium glomeratum Catherine Best 1982-3-20 s.n. Sonoma On a flat area off Green Hill Rd. about 2 mi east of Occidental Comment
  UCD98079  Cerastium glomeratum Rimy Waraich 1993-5-8 229 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail. 365 Comment
  CAS-BOT-BC400225  Ceratophyllum demersum Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC400233  Ceratophyllum demersum Peter Rubtzoff 1964-8-20 5464 Sonoma 1 mi. southeast of Jenner (nr. crossing of Hwys. 1 & 12) Comment
  CAS-BOT-BC135418  Cercocarpus betuloides var. betuloides Walter Knight; Irja Knight 1963-12-27 474 Sonoma Pine Flat Road, summit. Comment
  CAS-BOT-BC135422  Cercocarpus betuloides var. betuloides John Thomas Howell 1937-7-4 13074 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC279779  Chamaemelum fuscatum John H. Thomas 1974-3-20 17061 Sonoma Near Asti Comment
  CDA7378  Chamaemelum fuscatum G. D. Barbe 1974-4-29 1781 Sonoma 1 mile south of Washington School Road on Asti Road, Asti. 0 Comment
  UCD35265  Chamaemelum fuscatum Beecher Crampton 1955-3-14 2319 Sonoma Asti. Comment
  CAS-BOT-BC166674  Chenopodium Peter Rubtzoff 1973-8-20 7233 Sonoma Sonoma Creek bottom near Aqua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC166918  Chenopodium Peter Rubtzoff 1968-8-31 5943 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC851040  Chenopodium californicum Milo S. Baker 1931-4-18 5396 Sonoma Salmon Cr.; mouth Comment
  UCD158802  Chenopodium californicum James A. Neilson Jr. 1974-1 3062 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC499262  Chlorogalum pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian River Comment
  POM169099  Chlorogalum pomeridianum var. pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC257024  Chorizanthe membranacea Greg de Nevers 1997-5-12 10996 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  SEINET3385995 Image available Chrysanthemum segetum Lewis S. Rose 1933-5-9 33154 Sonoma Bodega Bay, Wet Fields Comment
  UCR249331  Cirsium Peter Rubtzoff 1962-6-13 4899 Sonoma Freestone Marsh 79 Comment
  CAS-BOT-BC173837  Cirsium arvense Peter Rubtzoff 1955-8-13 2049 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC280000  Cirsium douglasii var. douglasii H. D. Ripley; R. C. Barneby 1945-6-22 6949 Sonoma Bodega Bay 6 Comment
  UCD169967  Cirsium occidentale Peter G. Connors 1990-5-10 s.n. Sonoma Bodega Bay, Bodega Marine Reserve, Bodega Head. Comment
  CAS-BOT-BC280361  Cirsium occidentale var. venustum A. A. Heller 1902-6-24 5753 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC285749  Cirsium remotifolium John Thomas Howell 1936-7-26 12664 Sonoma 2 1/2 miles from Camp Meeker on road to Monte Rio Comment
  UC91787  Cirsium remotifolium var. odontolepis T. S. Brandegee 1893-6-30 Sonoma Cazadero Comment
  SJSU704  Cirsium vulgare A. W. Jacobs 1941-7-27 Sonoma W bank, Russian River near Hilton Comment
  UCD165170  Clarkia Peter Rubtzoff 1974-5-26 7498 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  UC113993  Clarkia amoena Katharine Brandegee 1908-7-22 Sonoma Burbank's Garden Santa Rosa Comment
  CAS-BOT-BC172215  Clarkia concinna M. S. Baker 1898-5-7 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC172220  Clarkia concinna F. F. Wood 1918-4-25 s.n. Sonoma Cazadero Comment
  UCD104043  Clarkia davyi Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 30 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC162512  Clarkia gracilis subsp. gracilis D. E. Breedlove 1980-6-27 44769 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC1778626  Clarkia gracilis subsp. sonomensis G. F. Hrusa 1998-6-14 14592 Sonoma Knights Valley Region; Serpentine slopes on side of Ida Clayton Rd., ~1.5 mi. E of Hwy. 128, NW shoulder of Mt. St. Helena 450 Comment
  POM153267  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 21 Sonoma Sonoma - Santa Rosa Hwy, 5.5 miles S of Santa Rosa. 32 Comment
  CAS-BOT-BC163152  Clarkia imbricata Milo S. Baker 1945-7-18 11107 Sonoma Pitkin Ranch along path to marsh Comment
  SD51807  Clarkia imbricata Peter H. Raven, Richard Snow 1958-7-23 13691 Sonoma Very near type locality; common in grassy field at 4551 Vine Hill Road near Pitkin Marsh. Comment
  RSA0060039  Clarkia imbricata Peter H. Raven, R. Snow 1958-7-23 13692 Sonoma 4551 Vine Hill Road, near Pitkin Marsh 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
  JEPS43668  Clarkia rhomboidea Eleanor Armstrong 1932-5-18 488 Sonoma 3 mi w Kenwood; Adobe Canyon 152 Comment
  UCD161396  Clarkia rhomboidea James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Ridge crest between Big Sulphur Creek and Squaw Creek. (Exact location unkown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC439316  Claytonia exigua subsp. exigua F. Almeda; G. DeNevers 1981-3-30 4876 Sonoma Pepperwood Ranch. Along road to the Garrison Cabin at the SW sector of the ranch. Comment
  JEPS128226  Claytonia exigua subsp. exigua Roger Raiche 2000-3-26 008 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC439319  Claytonia exigua subsp. exigua Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane, 2 mi. north east of Occidental Comment
  UCD100597  Claytonia exigua subsp. glauca G. F. Hrusa 1991-4-6 8310 Sonoma app. 1/4 m. N of Ida Clayton Rd. on N shoulder of Mt. St. Helena. 426 Comment
  UC754333  Claytonia gypsophiloides R. Bacigalupi 1948-3-6 2855 Sonoma 2 mi w Skaggs Springs Comment
  RSA734381  Claytonia gypsophiloides Rimo Bacigalupi 1948-3-6 2855 Sonoma 2 mi. w. of Skaggs Springs, on loose shaly slope. Comment
  UC72567  Claytonia sibirica Milo S. Baker 1898-4-5 3 Sonoma e of Stewart's Point (grade) Comment
  CAS-BOT-BC92746  Clematis ligusticifolia Volney Rattan 1877-6-24 s.n. Sonoma Healdsburg. Comment
  RSA534574  Clematis ligusticifolia Peter Rubtzoff 1962-9-16 5087 Sonoma Vacation Beach, 1.5 miles below Guerneville, along Russian River Comment
  UC465904  Clematis ligusticifolia V. King Chesnut Aug. 1887 Sonoma near Santa Rosa Comment
  SEINET12047073  Clintonia andrewsiana F. H. Utech, Utech, C. L. 1972-1 72 -603 Sonoma Armstrong Redwoods State Park 183 Comment
  JEPS5721  Collinsia heterophylla Calvin and Phyllis McMillan 1951-5-30 Sonoma along road from Healdsburg to Stewarts Point 4.6 mi e junction of road from Annapolis ((8 mi e of Soda Springs)) Comment
  SBBG6867  Collinsia heterophylla H. and M. Dearing 1933-5-14 1742 Sonoma Cloverdale Comment
  UCR255041  Collinsia heterophylla Greg de Nevers 1998-4-21 11157 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA63335  Collinsia heterophylla Milo S. Baker 1950-6-12 12279 Sonoma Hillside opposite Maplewood, near Kenwood. Comment
  SEINET5737213 Image available Collinsia heterophylla Johann D. Watjen 1969-1 26 Sonoma West slope of Sugar Loaf Ridge, 8 miles north of Sonoma.; Sugar Loaf Ridge 244 Comment
  UCD123569  Collinsia heterophylla Frederica Bowcutt 1994-5-21 1830 Sonoma Sugarloaf Ridge State Park. About 40 air miles north of San Francisco, 11 air miles east of Santa Rosa, 18 air miles northwest of Napa, 1.5 air miles northeast of Kenwood. Along the Hillside Trail, 1/4 mile past Sugar Pine Trail junction. 396 Comment
  POM14827  Collinsia sparsiflora var. arvensis D. C. Michener, F. T. Bioletti 1893-04 s.n. Sonoma Kenwood. Comment
  JEPS128185  Collinsia sparsiflora var. sparsiflora Roger Raiche 2000-4-8 032 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS34516  Collinsia tinctoria Freed W. Hoffman 1948-8-2 2356 Sonoma on way to Rincon Valley St. Helena (near summit of Spring Mtn Rd); North Coast Ranges 609 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
  POM193922  Collomia heterophylla J. T. Howell 1929-6-30 4317 Sonoma 6 miles from Petrified Forest on road to Knights Valley Comment
  UCD127305  Conium maculatum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-5 122 Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS25067  Cordylanthus pilosus subsp. pilosus Joseph P. Tracy 1930-9-1 9172 Sonoma Knights Valley Northern Coast Ranges 182 Comment
  UC1239006  Cordylanthus pilosus subsp. pilosus Freed W. Hoffman 1946-8-14 783 Sonoma e of Camp Meeker Comment
  CAS-BOT-BC238226  Cordylanthus tenuis subsp. brunneus Walter Knight; Irja Knight; Dr. Stephen W. Edwards 1986-8-17 5507 Sonoma Sweetwater Springs Road across from large old mine Comment
  JEPS2540 Image available Cordylanthus tenuis subsp. brunneus W. L. Jepson 1894-7-19 21109 Sonoma Mt. St. Helena Napa River Basin; Mt. St. Helena, Napa River Basin 1127 Comment
  CAS-BOT-BC238229  Cordylanthus tenuis subsp. brunneus Roger Raiche 1985-6-30 RR 50567 Sonoma Unnamed ridge on west side of Dry Creek Valley, north of Crane Creek and south of Bradford Mt. 274 Comment
  CAS-BOT-BC238230  Cordylanthus tenuis subsp. brunneus Steve Edwards 1984-7-22 s.n. Sonoma N. of Duvoul Cr., N. of Camp Meeker, E. of but not far above, Bohemian Hwy. Comment
  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
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Jul 27 2009
  JEPS69347  Cordylanthus tenuis subsp. capillaris T. I. Chuang, F. M. Chuang and Carl Chuang 1972-7-22 7075 Sonoma 2 mi n Occidental (on Harrison Grade Road) Comment
  JEPS77679  Cordylanthus tenuis subsp. capillaris Margaret J. Williams 1978-7-16 78- 228 -4 Sonoma near Occidental Comment
  OBI9577  Cordylanthus tenuis subsp. capillaris Robert F. Hoover 1965-1 Sonoma Comment
  JEPS103956  Cordylanthus tenuis subsp. capillaris Jack and Betty Guggolz 1991-7-20 1211 Sonoma N end of a large serpentine meadow 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
  CAS-BOT-BC212291  Cornus glabrata Greg de Nevers 1987-5-11 8168 Sonoma Knights Valley, 2 mi. S of Hwy 128 on Franz Valley Rd. 100 Comment
  RSA0057961  Cornus glabrata Greg de Nevers 1998-4-27 11196 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  CAS-BOT-BC209878  Cornus nuttallii Greg de Nevers 1993-4-27 10414 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek east of 3865 Franz Valley Rd. 457 Comment
  UC398754  Coronopus didymus Katharine Brandegee Sonoma Duncan's Mills Comment
  CAS-BOT-BC180191  Corylus cornuta subsp. californica Walter Knight; Irja Knight 1964-2-16 527 Sonoma Mill Creek Road Comment
  CDA13750  Corylus cornuta var. californica G. F. Hrusa, R. Gross 1997-2-1 13620 Sonoma North Coast Ranges; Kortum Canyon Rd., approx. 1/4 mi. W of Hwy 29, immed. W of downtown Calistoga. Comment
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Jul 28 2008
  SACT002819  Corylus cornuta var. californica R. Darby 1940-3-11 Sonoma Chaparrl, humid transitional zone in deep black loam. 6.5 miles southwest of Sebastopol. 1 mile west of Burnside. Shrubs 5 feet high, herbage rounded beneath flowers. Comment
  CAS-BOT-BC173676  Cotula coronopifolia Peter Rubtzoff 1962-10-9 5106 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC427918  Crassula connata Catherine Best 1987-3-28 1238 Sonoma Bodega Head Comment
  UCD19496  Crassula connata Terry Reedy 1974-5-11 223 Sonoma Bodega Head. 15 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
  SEINET11910989  Crataegus douglasii F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -226 Sonoma 0.1 mi N of Freestone Road on Bohemian Road, along Salmon Creek 30 Comment
  CAS-BOT-BC143507  Crataegus gaylussacia Peter Rubtzoff 1959-5-30 4062 Sonoma Freestone Marsh Comment
  NY435883  Crataegus gaylussacia A. A. Heller 1902-8-20 6052 Sonoma Lagoon at Scbastopol. Comment
  SEINET10628656 Image available Crataegus gaylussacia A. Arthur Heller 1902-8-20 Heller 6052 Sonoma Lagoon at Scbastopol. Comment
  JEPS107056  Crataegus suksdorfii J. Greenhouse with Gene Cooley, John Game 2004-6-15 5091 Sonoma Cunningham Marsh, ~3 mi SSE of Sebastopol, ~0.5 mi S of Lone Pine Rd 35 Comment
  POM141059  Crataegus suksdorfii A. A. Heller 1902-8-20 6052 Sonoma Lagoon at Scbastopol Comment
  RSA784492  Crepis capillaris Peter Rubtzoff 1960-6-7 4450 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC257333  Crocosmia X crocosmiiflora Peter Rubtzoff 1970-10-3 6412 Sonoma Bodega Harbor Marsh. Comment
  SBBG32322  Croton setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 mi NE of Penngrove 426 Comment
  CDA4472  Crupina vulgaris Willa May Lowary 1976-10-25 Sonoma From seed germinated in the Seed Laboratory, transferred to potting mix 7 September 1976; seed collected at Santa Rosa, Sonoma County, 7 July 1976. 0 Comment
  RSA0062822  Crypsis schoenoides Greg de Nevers 1989-12-3 9119 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  UCD59946  Crypsis schoenoides David L. Morgan 1960-8-1 s. n. Sonoma 1/2 mile south of Penngrove on Hwy. 101. Willow Creek. 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
  UCD167559  Cryptantha James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Squaw Creek. 1/4 mile from Black Hawk Ranch headquarters. 20 feet above creek. (Exact location unkown. Coordinates estimated by label maker. Black Hawk Ranch location not found. Location georeferenced at the end of Ottobani Ridge between Big Sulphur Creek and Squaw Creek because neilson collected in that area on 18 June 1976.) Comment
  JEPS30831  Cryptantha leiocarpa Rimo Bacigalupi, and L. R. Heckard 1962-6-19 8587 Sonoma 0.25 mi se Horseshoe Cove (at ne base of low hills forming Bodega Head proper); Bodega Head 12 Comment
  UCD162162  Cupressus goveniana D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1515 Sonoma Hooker Creek watershed. 520 Comment
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Jul 25 2018
  SEINET11738930  Cupressus macnabiana W. Knight, Knight, I. 1981-1 3983 Sonoma 5.2 mi up Cavedale Road from jct of state route 12 Comment
  JEPS79415  Cupressus macrocarpa Edward Lee with W. A. Setchell 1936-6-7 2189 Sonoma South ridge Fire Trail Bohemian Grove (Bohemian Grove, lower trees forming a very extensive area) Comment
  CAS-BOT-BC85427  Cupressus sargentii W. Knight; Irja Knight 1963-11-21 2500 Sonoma Harrison Grade between Graton and Occidental Comment
  CAS-BOT-BC85460  Cupressus sargentii John Thomas Howell 1931-9-26 8092 Sonoma Serpentine outcrop 2 miles from Monte Rio on road to Camp Meeker Comment
  CAS-BOT-BC85456  Cupressus sargentii Milo Samuel Baker 1929-1-2 3383 d Sonoma 2 or 3 mi. north of Mill Cr. Along trail from Cooper's Ranch Comment
  CAS-BOT-BC85465  Cupressus sargentii Stephen N. Stephenson 1979-8-13 s.n. Sonoma south facing slope of Sonoma Mt.,, adjacent to Sonoma-Napa rd. near county line 700 Comment
  CHSC107540  Cuscuta californica var. breviflora D. G. Kelch; Troy McGregor 2010-8-22 10 .354 Sonoma Nr Peak of Geyser Peak Rd. Comment
  UCD125761  Cuscuta californica var. californica Frederica Bowcutt 1997-7-19 2193 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. 0.75 air miles S of Red Mountain, 0.5 miles NNW of confluence of the Malmf., 1.0 air miles WSW of Brushy Peaks. 457 Comment
  RSA785056  Cuscuta howelliana Peter Rubtzoff 1976-6-18 8648 Sonoma False Lake Meadow area. Annadel State Park Comment
  CAS-BOT-BC182774  Cuscuta pentagona Peter Rubtzoff 1975-9-28 8414 Sonoma Russian River bank at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC816852  Cynodon dactylon Marcus E. Jones, A. M. 1882-7-18 Sonoma Duncan's Mills Comment
  UCD60103  Cynodon dactylon var. villosus Beecher Crampton 1957-5-16 4042 Sonoma 4-5 miles southwest Healdsburg, Foreman Lane, Frank C. Grace Ranch. Comment
  SDSU983  Cynosurus cristatus D. F. Howe 1963-7-3 3588 Sonoma 20 miles north of junction with #12 on #1 Comment
  RSA0023081  Cynosurus echinatus Peter Rubtzoff 1974-5-25 7460 Sonoma Upper Green Valley Marsh. Comment
  UC1103633  Cyperus eragrostis Joseph P. Tracy 1947-10-6 17939 Sonoma Mayacama Creek below Knights Valley; Mayacama Creek 152 Comment
  RSA41918  Cyperus eragrostis H. C. Cantelow 1936-5-3 1282 Sonoma Kenwood 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
  UCD69401  Cyperus niger J. Thoits 1997-10-15 Sonoma Area north of Lakewood Hills, a gated community in Windsor (north of Santa Rosa), approximately 1-2 miles from Hwy 101 on the east side of the freeway. Comment
  CAS-BOT-BC113908  Cyperus niger var. capitatus Peter Rubtzoff 1953-11-1 1443 Sonoma Vacation Beach, Near Guerneville. Sandy beach of Russian River. Comment
  CAS-BOT-BC113903  Cyperus niger var. castaneus Peter Rubtzoff 1987-9-27 9857 Sonoma Russian River at Forest Hills, ca. 6 mi E of Guerneville. Comment
  CAS-BOT-BC114040  Cyperus squarrosus Peter Rubtzoff 1987-10-17 9871 Sonoma Russian River ca. 6 mi E of Guerneville. Comment
  JEPS128196  Cypripedium californicum Roger Raiche 1982-5-29 20416 A Sonoma The Cedars, Mineral Springs Canyon. Lower Russian River, Big Austin Creek watershed. Comment
  RSA516605  Cypripedium californicum Rimo C. Bacigalupi, G. Thomas Robbins, F. Hoffmann 1956-5-30 5668 Sonoma Headwaters of Big Austin Creek, vicinity of The Cedars, near Layton Chromite mine. 267 Comment
  CAS-BOT-BC435189  Cypselea humifusa Peter Rubtzoff 1958-8-17 3886 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Rd.). Comment
  CDA9638  Cystopteris fragilis D. G. Kelch 2007-5-13 7 .296 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  CAS-BOT-BC201021  Cytisus scoparius Greg de Nevers 1992-6-26 10207 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CAS-BOT-BC445554  Damasonium californicum Peter Rubtzoff 1965-6-20 5559 Sonoma Petaluma Creek 4 mi. northwest of Petaluma (on Stony Point Rd). Comment
  CAS-BOT-BC210057  Danthonia californica Peter Rubtzoff 1957-5-11 3345 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC210142  Danthonia californica Peter Rubtzoff 1974-5-18 7414 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Rd. Comment
  JEPS121156  Danthonia californica Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18595 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  UC1131385  Danthonia californica H. S. Yates 1937-5-30 6540 Sonoma 1 1/2 mi sse Graton; Sebastopol Quadrangle Comment
  UCD21145  Danthonia californica Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 320 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  UCD61031  Danthonia californica Gerry North 1993-4 37 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At lower camping area, 50 m E of foot bridge. 365 Comment
  UCR280139  Danthonia californica Peter Rubtzoff 1971-6-5 6508 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  CHSC100548  Danthonia californica var. americana Beecher Crampton 1965-5-13 7339 Sonoma Ca. 8.5 miles SE of Geyserville, south end of Alexander Valley, jct. of Calistoga (Hwy 128) and Chalk Hill Roads. Comment
  UCD34819  Danthonia californica var. americana Beecher Crampton 1963-5-27 6811 Sonoma Sonoma County, Alexander Valley, state Hwy. 128, ca. 8 miles S.E. of Geyserville. Comment
  CAS-BOT-BC154130  Datura Peter Rubtzoff 1958-8-17 3896 Sonoma Laguna de Santa Rosa, northeast of Graton (near Guerneville Road). Comment
  CDA15310  Daucus carota G. F. Hrusa 1998-11-29 14907 Sonoma Foote Ranch, corner of Hwy 128 and Ida Clayton Rd., Knights Valley. 0 Comment
  UCD127398  Daucus carota J. M. Tucker; C. H. Lamoureux 1958-6-8 3408 Sonoma beside State Highway 12, 1.6 miles southeast of center of Guerneville. Comment
  CAS-BOT-BC293814  Deinandra corymbosa David D. Keck 1933-11-10 2727 Sonoma 1 mi. E. of Shellville Comment
  CAS-BOT-BC9607  Delphinium bakeri Milo S. Baker 1929-5-3 3429 c Sonoma Coleman Valley Comment
  RSA90505  Delphinium bakeri Milo S. Baker 1946-4-25 11337 Sonoma Coleman Valley; West of Occidental on Hendrin Ranch Comment
  CAS-BOT-BC10349  Delphinium hesperium Roxana Stinchfield Ferris; L. Lorraine 1961-6-14 13540 Sonoma 1 mile on Joy Road from junction with Bodega Highway Comment
  UCD67996  Delphinium hesperium S. M. Smukler 1995-6-3 16 Sonoma Highway 1, South of the Russian River, above Shell Beach. On a cliff overlooking Shell Beach, next to the trail. An herbaceous perennial. Flowers, blue-purple. 40 Comment
  RSA264777  Delphinium hesperium Peter Rubtzoff 1974-5-25 7465 Sonoma Hwy 116, 2 miles W of Forestville Road cut (of Hwy 116) in forest Comment
  SBBG53023  Delphinium hesperium subsp. hesperium M. R. Benedict 1978-4-18 Sonoma Skaggs Springs Rd, 8 mi W of Geyersville Comment
  UC1299395  Delphinium hesperium subsp. hesperium Freed W. Hoffman 1948-6-8 2668 Sonoma Austin ranch road North Coast Ranges, Guerneville Comment
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Jun 5 2007
  CAS-BOT-BC10100  Delphinium luteum John Thomas Howell 1931-4-18 6415 Sonoma Larkspur Rock, near Bodega Bay Comment
  NY353342  Delphinium luteum A. A. Heller 1902-4-11 5256 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
  POM150547  Delphinium nudicaule A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross. Comment
  UCD160149  Delphinium nudicaule James A. Neilson Jr. 1974-4-30 2721 Sonoma Mayacmas Mountains. The Geysers. Bruno # 1. (Exact location of Bruno #1 not known by label-maker, but according to Neilson, it is west of Geysers Resort on a north-facing slope near a stream. In the Mayacmas Flora, he indicates it is near 'Old Mercuryville,' which is different than the Mercuryville seen on maps; location and elevation estimated by label-maker) Comment
  UC1126084  Delphinium variegatum H. S. Yates 1934-4-22 3848 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  UCSC000275  Delphinium variegatum Beryl O. Schreiber 1936-3-5 2210 Sonoma 2 miles W.N.W. of Mark West Springs Comment
  RSA26407  Delphinium variegatum J. T. Howell 1941-4-5 16175 Sonoma 1 mile S of El Verano Comment
  RSA70708  Delphinium variegatum L. S. Rose 1951-5-17 51012 Sonoma Hills E of Agua Caliente. 122 Comment
  CAS-BOT-BC7763  Delphinium variegatum subsp. variegatum Milo S. Baker 1928-4-10 2987 a Sonoma Bennett Val. Comment
  RSA6527  Dendromecon rigida Jens Clausen 1933-3-25 725 Sonoma About 4 miles east of Warfield on the road to Oakville, on the Youngman Ranch 91 Comment
  UC72732  Dendromecon rigida Milo S. Baker 1899-5-7 Sonoma near Occidental Comment
  UCD61380  Deschampsia cespitosa Beecher Crampton 1957-7-22 4383 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  UCR244628  Deschampsia cespitosa Peter Rubtzoff 1976-6-5 8591 Sonoma North Coast Ranges, False Lake Meadow area, Annadel State Park 244 Comment
  UC1011016  Deschampsia cespitosa subsp. cespitosa Virginia Bufford 1936-5-19 283 Sonoma 10 mi. from Santa Rosa (Sonoma Mt. Rd.) Comment
  CAS-BOT-BC192613  Deschampsia cespitosa subsp. holciformis Peter Rubtzoff 1951-6-2 95 Sonoma Western branch of the Upper Marsh Comment
  UC573728  Deschampsia cespitosa subsp. holciformis H. S. Yates 1937-6-6 6586 Sonoma 5 mi. s. Jenner; Duncan Mills Quad. Comment
  CAS-BOT-BC376437  Deschampsia danthonioides Greg de Nevers 1997-5-13 10999 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat. 400 Comment
  UCR280138  Deschampsia danthonioides Peter Rubtzoff 1971-6-5 6510 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  CAS-BOT-BC201964  Deschampsia elongata Peter Rubtzoff 1952-6-10 1218 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  UCD63470  Deschampsia elongata Beecher Crampton 1957-7-11 4308 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  CAS-BOT-BC221849  Dichanthelium acuminatum subsp. fasciculatum Mary P. Wells 1984-6-8 346 Sonoma Site for North Firestation, east of Highway #1. The Sea Ranch Comment
  SEINET225364 Image available Dichanthelium acuminatum subsp. fasciculatum John Roos, Lucill Roose 1956-9-1 6598 Sonoma The Geysers. Comment
  SEINET7293082 Image available Dichanthelium acuminatum subsp. fasciculatum Peter Kamb, Francia Chisaki 1950-1 1852 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners Comment
  SEINET3134494  Dichanthelium lanuginosum var. thermale R. W. Spellenberg 1964-6-15 402 Sonoma The Geysers, 17 mi E of Geyserville Comment
  CAS-BOT-BC502215  Dichelostemma capitatum A. A. Heller; H. E. Brown 1902-3-14 5065 Sonoma near Windsor Comment
  CAS-BOT-BC502220  Dichelostemma capitatum John Thomas Howell 1931-4-18 6428 Sonoma 8 miles n. of Bay Comment
  UCD166874  Dichelostemma capitatum subsp. capitatum Robert E. Preston 2016-3-26 3042 Sonoma Mayacamas Mountains, along Pine Flat Road, at Rob Roy Flat. 618 Comment
  RSA173354  Dichelostemma capitatum subsp. capitatum Walter Knight 1965-6-6 1119 Sonoma [?????] Hill Road. Comment
  UCD139196  Dichelostemma capitatum subsp. capitatum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 68 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Comment
  CAS-BOT-BC183606  Digitaria Peter Rubtzoff 1973-8-29 7283 Sonoma Sonoma Creek near Aqua Caliente Road crossing west of Aqua Caliente. Comment
  CAS-BOT-BC183609  Digitaria Peter Rubtzoff 1971-8-23 6656 Sonoma Meacham Road, 0.35 mi. S of Stony Point Road. Comment
  CAS-BOT-BC210146  Digitaria Peter Rubtzoff 1965-8-16 5597 Sonoma Russian River bottom at Forest Hills (5.5 mi. E of Guerneville). Comment
  RSA783841  Digitaria Peter Rubtzoff 1971-8-23 6645 Sonoma Stony Point Road, just S of Hwy 116. Comment
  RSA788365  Digitaria Peter Rubtzoff 1965-9-5 5637 Sonoma Forest hills (5.5 mi E of Guerneville). Comment
  UCR255869  Digitaria sanguinalis Greg de Nevers 1996-9-23 10879 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 476 Comment
  UCD64008  Digitaria sanguinalis Milo S. Baker 1942-8-27 10378 Sonoma At Maplewood. Comment
  SEINET13682823  Diplacus aurantiacus M. J. Williams 1968-4-6 s.n. Sonoma Trinity Grade. 213 Comment
  CAS-BOT-BC151752  Diplacus kelloggii Elmer I. Applegate 1934-3-25 8857 Sonoma Head waters of Sulphur Creek, west slope of Mayamaca Mountains Comment
  RSA122773  Dirca occidentalis Milo S. Baker 1942-5-20 10197 Sonoma 2 miles west of Bodega town on a road which turns right within the town Comment
  RSA367635  Disporum smithii Christopher Davidson 1977-6-20 6036 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  UCR253005  Distichlis spicata Peter Rubtzoff 1971-8-23 6646 Sonoma Spring Hill Road 0.8 miles SE of Bodega Highway (Two Rock church) 30 Comment
  SEINET10564424  Distichlis spicata var. stricta George B. Van Schaack 1957-9-5 Van Schaack 3609 Sonoma In soft sand of salt marsh. Thick stand with Salicornia spp. Bodega Bay. Comment
  JEPS57131  Dodecatheon hendersonii L. R. Heckard 1967-5-7 1595 Sonoma near top Hood Peak; near top of Hood Peak 822 Comment
  HSC49613  Dodecatheon hendersonii R. York 1979-4-8 200 Sonoma Along Hwy. 128; 1 mi. N of Calistoga Comment
  JEPS14427  Downingia concolor var. concolor E. Ferguson 1920-4 358 Sonoma Windsor Comment
  JEPS77865  Downingia concolor var. concolor Robert M. Lloyd 1965-5-8 3628 Sonoma 3 mi n Highway 12 junction with Aqua Caliente Road (on Highway 12, meadow across from Lawrence Triangle End Garage) Comment
  UC416606  Downingia concolor var. concolor Katharine Brandegee Sonoma Santa Rosa Comment
  JEPS108504  Downingia concolor var. concolor Lisa Schultheis 1995-5-31 191 -95 Sonoma North Windsor. Intersection of Starr Rd. and Redwood Hwy., NE end. Comment
  JEPS108526  Downingia concolor var. concolor Lisa Schultheis 1995-5-15 151 -95 Sonoma Todd Road Reserve. SWof Santa Rosa, on Todd Road, just W of Llano Road. Comment
  JEPS103635  Downingia pusilla Lisa Schultheis 1995-5-15 148 -95 Sonoma Santa Rosa. Alton Lane, approximately 0.25 miles W of Fulton Road Comment
  CAS-BOT-BC401546  Drosera rotundifolia Peter Rubtzoff 1951-7-8 393 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC159445  Drymocallis glandulosa var. glandulosa Peter Rubtzoff 1952-6-10 1222 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  UC1201281  Dryopteris arguta E. Samuels 233 Sonoma Comment
  JEPS35199  Dryopteris expansa Fred Hein 1931-11-12 Sonoma near mouth of Gualala River (Mendocino Co. line) Comment
  UC1936226  Dryopteris expansa W. Born Jun 2008 s. n. Sonoma Pomo Canyon Campground, Sonoma Co. coast Comment
  CAS-BOT-BC411378  Dudleya caespitosa Peter Rubtzoff 1952-6-10 1245 Sonoma Resort at E base of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC428180  Dudleya cymosa subsp. cymosa Alice Eastwood 1900-5-1 s.n. Sonoma Knights Valley Comment
  CAS-BOT-BC428378  Dudleya farinosa Alice Eastwood 1915-6-29 4890 Sonoma Bodega Point Comment
  CAS-BOT-BC428384  Dudleya farinosa L. R. Abrams 1920-7-3 7634 Sonoma Near Stewarts Point Comment
  UCD101915  Dudleya farinosa Frederica Bowcutt 1984-6-23 422 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles E of Fort Bragg along the Sonoma County coast. Immed. N of Gerstle Cove. W of Hwy 1. 15 Comment
  SEINET11690150  Echinochloa crus-galli W. Knight, Knight, I.; Howell, J. T. 1987-1 6283 Sonoma Llano Road between Gravenstein Hwy & Todd Road near sewage plant 20 Comment
  UCD60847  Echinochloa crus-galli Beecher Crampton 1960-11-29 5810 Sonoma 4 miles s.e. of Santa Rosa, Matanzas Creek. Comment
  CDA19690  Egeria densa McArthur 2001-10-5 PDR P 091882 Sonoma Sonoma Co. Regional Parks, Helen Putnam Regional Park, Chileno Valley Rd. Growing in still water. 0 Comment
  CAS-BOT-BC257351  Eleocharis Peter Rubtzoff; Nancy Harrison 1974-9-7 7881 Sonoma Hinebaugh Creek in Rohnert Park, east of Commerce Blvd. Comment
  UC1055948  Eleocharis acicularis Francia Chisaki, Peter Kamb 1950-6-16 1865 Sonoma 1 mi N of Sousa Corners (NW from Sebastopol, Pitkin Marsh) Comment
  CAS-BOT-BC112664  Eleocharis parvula Peter Rubtzoff 1962-8-3 5026 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC112071  Eleocharis quinqueflora Peter Rubtzoff 1951-8-5 596 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh. Comment
  CAS-BOT-BC112193  Eleocharis radicans Peter Rubtzoff 1951-7-14 418 Sonoma Pitkin Marsh, near Forestville: Northern half of Lower Marsh. Comment
  CAS-BOT-BC112198  Eleocharis radicans Peter Rubtzoff 1970-9-2 6353 Sonoma Russian River bottom at Mirabel Park Comment
  CAS-BOT-BC112205  Eleocharis radicans Peter Rubtzoff 1962-7-28 5006 Sonoma Laguna de Santa Rosa east of Cunningham, near Llamo Road. Comment
  CAS-BOT-BC213788  Elymus X hansenii G. DeNevers 1981-6-20 1581 Sonoma Pepperwood Ranch, in Leslie Creek bed. Comment
  UCD18405  Elymus condensatus William A. Harrey 1982-7-7 s.n. Sonoma 0.5 mi west of state Hwy 1, along Bean Ave. bordering Salmon Creek. Comment
  JEPS27642 Image available Elymus divergens J. Burtt Davy 1897-9-18 4037 Sonoma near Petaluma; ; Near Petaluma, Sonoma Co. Comment
  UCD37351  Elymus elymoides Beecher Crampton 1959-6-16 5386 Sonoma Sonoma County, 1 mile east of Occidental. Comment
  RSA126906  Elymus glaucus H. S. Yates 1934-4-22 3837 Sonoma Near Petrified Forest; Calistoga 244 Comment
  UCD61803  Elymus glaucus Beecher Crampton 1959-6-16 5377 Sonoma 1 mile E of Occidental. Comment
  JEPS45813  Elymus glaucus subsp. glaucus Eleanor Armstrong 1932-5-19 162 Sonoma 1 mi w Camp Meeker 91 Comment
  RSA129555  Elymus glaucus subsp. virescens H. S. Yates 1936-5-17 5624 Sonoma 1.5 miles E of Bodega Port 122 Comment
  UCD37354  Elymus glaucus subsp. virescens Beecher Crampton 1959-6-16 5399 Sonoma Sonoma County, 1.5 miles southeast of Bodega Bay, along State Highway 101. Comment
  UCD62407  Elymus glaucus subsp. virescens Beecher Crampton 1957-7-11 4311 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  CAS-BOT-BC235232  Elymus multisetus G. DeNevers 1981-5-30 1415 Sonoma Pepperwood Ranch. In Bertoli's Creek Comment
  JEPS27967  Elymus multisetus Rimo Bacigalupi and L. Heckard 1961-6-9 7740 Sonoma at junction of Joy Rd and Bittner Road (1.75 mi sw of Occidental) 249 Comment
  CAS-BOT-BC166837  Epilobium canum subsp. latifolium F. G. Krauss 1893-11-2 s.n. Sonoma Krauss Ranch Comment
  CAS-BOT-BC268107  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1969-8-26 6150 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  CAS-BOT-BC290550  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-24 1985 Sonoma Forestville Marsh. Comment
  UC1042506  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1951-8-4 586 Sonoma opening s Upper Marsh (near Forestville); Pitkin Marsh Comment
  UC455442  Epilobium ciliatum subsp. ciliatum I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  RSA94291  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1951-7-14 436 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  CAS-BOT-BC262973  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-8-10 1676 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC268081  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-6-6 1462 Sonoma Guerneville Marsh. Comment
  RSA800631  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-8-10 1681 Sonoma Bodega Head Marsh Comment
  JEPS128204  Epilobium minutum Roger Raiche 2000-4-30 052 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1301103  Epilobium minutum Helen K. Sharsmith 1963-5-25 5486 Sonoma near Occidental; San Francisco Bay Region, Occidental Grade 152 Comment
  RSA784482  Equisetum Peter Rubtzoff 1973-8-21 7254 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC57038  Equisetum arvense Peter Rubtzoff 1954-8-13 1705 Sonoma Bodega Head Marsh Comment
  RSA94451  Equisetum arvense Peter Rubtzoff 1951-7-1 332 Sonoma Lower part of Upper Marsh Comment
  UC1010445  Equisetum arvense Milo S. Baker 1939-4-2 9268 Sonoma stream in front of Mrs. Morton's place Kenwood Comment
  CAS-BOT-BC164656  Equisetum hyemale var. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh. Comment
  RSA94454  Equisetum hyemale var. affine Peter Rubtzoff 1951-6-10 191 Sonoma The Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  CAS-BOT-BC164652  Equisetum laevigatum Peter Rubtzoff 1961-8-26 4725 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC57651  Equisetum telmateia Peter Rubtzoff 1957-4-28 3288 Sonoma Duncans Mills Marsh Comment
  RSA0023076  Eragrostis Peter Rubtzoff 1965-8-16 5602 Sonoma Russian River bottom at Forest Hills, 5.5 mi E of Guerneville. Comment
  UC576297  Eragrostis cilianensis L. Whitney 1935-10-2 3634 Sonoma Santa Rosa; Santa Rosa Quad. 60 Comment
  UC38308  Eragrostis hypnoides J. Burtt Davy July 1896 Sonoma Russian River at Russian River R.R. depot; Russian River Comment
  CAS-BOT-BC284187  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1956-9-14 2864 Sonoma Vacation Beach near Guerneville, Russian River Comment
  CAS-BOT-BC164645  Erechtites minimus Peter Rubtzoff 1955-8-20 2056 Sonoma Bodega Harbor Marsh. Comment
  RSA784477  Erechtites minimus Peter Rubtzoff 1974-8-4 7799 Sonoma Upper Green Valley Marsh area. Comment
  JEPS19249  Ericameria arborescens W. T. Mooney 1915-9-1 Sonoma Petaluma Comment
  UC1299284  Ericameria arborescens Freed W. Hoffman 1946-10-25 1239 Sonoma Wild Hog Ridge between Palmer and Porte Creeks North Coast Ranges, Wild Hog Ridge (metamorphosed sandstone, near Guernville) 457 Comment
  RSA121646  Ericameria arborescens subsp. arborescens J. B. Spring 1932-7-7 97 Sonoma 2/5 mile SW of Veeder Mt. 610 Comment
  CAS-BOT-BC293624  Erigeron biolettii Walter Knight; Irja Knight 1963-10-27 411 Sonoma Spring Mt. Road Comment
  JEPS41420  Erigeron biolettii W. L. Jepson 1937-9-29 18575 Sonoma Glass Mt. St. Helena (on road to sanitarium) Comment
  RSA130887  Erigeron biolettii E. K. Balls 1958-7-21 23585 Sonoma Highway 12, 0.5 mile NE from junction with Hwy. 1 at Bridgehaven, along Russian River 30 Comment
Read comments
Jun 7 2019
  UCD159441  Erigeron canadensis D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 198 Sonoma Roadside population along road leading to Bodega Marine Labs. Abundant. 7 Comment
  CAS-BOT-BC295125  Erigeron glaucus Walter Knight; Irja Knight 1963-8-13 169 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC295151  Erigeron inornatus Greg de Nevers 1987-7-10 8236 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  POM40212  Erigeron inornatus var. biolettii Marcus E. Jones 1882-7-17 3620 Sonoma Duncan's Mills. Comment
  UC909773  Erigeron philadelphicus var. philadelphicus Milo S. Baker 1950-5-20 12224 Sonoma w side Los Guilicos Valley (near old rr right of way) Comment
  CAS-BOT-BC300249  Erigeron reductus var. angustatus G. DeNevers 1981-6-6 1451 Sonoma Pepperwood Ranch. Franz Valley Road Comment
  UC1299251 Image available Erigeron serpentinus Freed W. Hoffman 1947-5-30 558 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UC2043165  Erigeron serpentinus Barbara Ertter with R. Raiche, J. R. Shevock, R. Bittman, H. Forbes, M. Skinner et al.. 1994-6-23 12851 Sonoma The Cedars serpentine area at head of Big Austin Creek north of Cazadero, ca. 20 air km due W of Healdsburg. Comment
  JEPS78826  Eriodictyon californicum Edward Lee 1936-6-7 2185 Sonoma South ridge Fire Trail Bohemian Grove Comment
  CAS-BOT-BC250015  Eriogonum fasciculatum var. foliolosum Dorothy Scherer 1996-9-5 066 Sonoma North side of Fort Ross Rd. at intersection with Hwy 1. Fort Ross State Historic Park 51 Comment
  CAS-BOT-BC259257  Eriogonum latifolium John Thomas Howell 1930-7-27 5414 Sonoma 4 miles north of Bodega Bay Comment
  SD22292  Eriogonum latifolium John Thomas Howell 1930-7-27 5415 Sonoma Marine bluff, 4 miles north of Bodega Bay Comment
  CAS-BOT-BC259469  Eriogonum luteolum R. F. Hoover 1965-6-29 9476 Sonoma North of summit on Harrison Grade road near Occidental Comment
  CDA30996  Eriogonum luteolum D. G. Kelch, Troy McGregor 2010-8-22 10 .356 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  OBI11030  Eriogonum luteolum Robert F. Hoover 1965-6-29 9476 Sonoma North of summit on Harrison Grade, road near Occidental Comment
  POM188345  Eriogonum luteolum Marcus E. Jones 1931-7-5 28828 Sonoma The Geysers. Comment
  CAS-BOT-BC259466  Eriogonum luteolum R. D. Stone 1983-6-14 539 Sonoma Headwaters of Squaw Cr. drainage, S-facing slope ca. 1.2 mi. NW of Geyser Rock 1005 Comment
  CAS-BOT-BC259480  Eriogonum luteolum C. F. Leitholt 1893-6-1 s.n. Sonoma Sonoma Mt. Comment
  UC1093645  Eriogonum luteolum var. luteolum Herbert L. Mason 1946-7-4 12899 Sonoma 2 mi e Occidental Comment
  UC1299720  Eriogonum nervulosum Freed W. Hoffman 1947-9-29 507 Sonoma Layton Mine Austin Creek, Layton Mine Comment
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Oct 12 2013
  UC1032215  Eriogonum nudum var. auriculatum J. B. Spring 1932-6-26 87 Sonoma 2 mi ne Kenwood; Santa Rosa Quadrangle 548 Comment
  UC77625  Eriogonum nudum var. auriculatum Dr. E. Palmer Sonoma Petaluma Comment
  CAS-BOT-BC261684  Eriogonum nudum var. nudum C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  UC85760  Eriogonum roseum T. S. Brandegee July 1885 496 Sonoma Cloverdale Comment
  SEINET11933967  Eriogonum ternatum Unknown 1984-1 40234 Sonoma The Cedars,5 mi N of Cazadero on King Ridge Rd, headwaters of Big Austin Creek 549 Comment
  SEINET11933974  Eriogonum ternatum Unknown 1985-1 50716 Sonoma The Cedars, N of Cazadero, headwaters of Big Austin Creek, near Layton mine site 372 Comment
  CHSC107500  Eriogonum vimineum D. G. Kelch; Troy McGregor 2010-8-22 10 .356 Sonoma Nr Peak of Geyser Peak Rd. Comment
  CAS-BOT-BC262392  Eriogonum vimineum R. D. Stone 1983-6-16 552 Sonoma At the Little Geysers, upper Big Sulphur Creek drainage 701 Comment
  CDA5240  Eriophyllum lanatum var. achilleoides T. C. Fuller 1958-5-24 4000 Sonoma Vinehill District. 0 Comment
  UC494110  Eriophyllum lanatum var. achilleoides H. E. and S. T. Parks 1930-5-10 837 Sonoma Knights Valley Comment
  UC615101  Eriophyllum lanatum var. achilleoides Beryl O. Schreiber 1934-5-14 1111 Sonoma Fitch Mountain Road Healdsburg, Fitch Mountain road Comment
  UCD132207  Eriophyllum lanatum var. achilleoides Gerry North 1993-4 45 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At first pullout on right after Goodspeed trailhead, less than 0.2 miles east of park entrance gate. 243 Comment
  CAS-BOT-BC301278  Eriophyllum lanatum var. arachnoideum A. A. Heller; H. E. Brown 1902-4-11 5262 Sonoma Bodega Bay Comment
  CAS-BOT-BC301284  Eriophyllum lanatum var. arachnoideum G. DeNevers 1981-5-2 915 Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC301286  Eriophyllum lanatum var. arachnoideum Lewis S. Rose 1964-6-3 64057 Sonoma N. end of Bodega Bay 6 Comment
  UC893781  Eriophyllum lanatum var. arachnoideum Marcus E. Jones, A. M. 1882-7-17 2733 Sonoma Duncans Mills Comment
  SD40135  Eriophyllum staechadifolium Edith A. Purer 1932-7-16 4034 Sonoma Bodega Bay Comment
  UCD131633  Eriophyllum staechadifolium Frederica Bowcutt 1984-6-23 432 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. North of Gerstle Cove approx. 1/2 mile. 15 Comment
  UCD38478  Eriophyllum staechadifolium Beecher Crampton 1955-6-17 2972 Sonoma State Hwy. 1, 4 miles south of Fort Ross. Bluffs above the sea. Comment
  UCD165124  Erodium Peter Rubtzoff 1974-4-17 7372 Sonoma Upper Green Valley Marsh area. Comment
  CDA34792  Erodium botrys Peter Warner 2010-3-29 119 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. Comment
  SEINET12183468  Erodium botrys F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -171 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 450 Comment
  CDA34797  Erodium moschatum Peter Warner 2010-3-29 124 Sonoma 1670 Bloomfield Road, ~ 3 km south of the center of Sebastopol. 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
  UC1365625  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1966-8-25 5805 Sonoma e. Graton (between Occidental and Guerneville rds, Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  UC1122952  Eryngium armatum H. S. Yates 1936-5-17 5631 Sonoma 2 mi. n. Bodega Bay; Duncan Mills Quad. 15 Comment
  UCD127468  Eryngium constancei G. F. Hrusa 1997-7-5 14010 Sonoma approximately 200 meters west of Highway 128 in drainage of Blossom Creek, 2km. northwest of Tubbs Lane int. 200 Comment
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Dec 30 2014
  CAS-BOT-BC54721  Erysimum concinnum Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point. Comment
  POM143108  Erysimum concinnum A. A. Heller, H. E. Brown 1902-5-27 5607 Sonoma Bodega Bay Comment
  UC117685  Erysimum concinnum Alice Eastwood 1900-7-4 Sonoma Bodega Point Comment
  CAS-BOT-BC54760  Erysimum franciscanum A. A. Heller; H. E. Brown 1902-5-27 5607 Sonoma Bodega Bay. Comment
  CAS-BOT-BC54765  Erysimum franciscanum Catherine Best 1981-8-23 s.n. Sonoma At Goat Rock Beach. Comment
  CAS-BOT-BC153626  Erythranthe inodora Peter Rubtzoff 1960-6-11 4503 Sonoma Laguna de Santa Rosa area east of Graton (betw. Occidental and Guerneville roads) Comment
  CAS-BOT-BC153622  Erythranthe inodora Peter Rubtzoff 1969-8-14 6125 Sonoma Salmon Creek Road ca. 5 mi. west of Bodega (town) (1.1 mi. west of Finley Creek crossing); Salmon Creek margin Comment
  HSC2186  Erythronium helenae Elmer I. Applegate 1934-3-25 8855 Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 610 Comment
  SEINET12044880  Erythronium helenae E. I. Applegate 1934-1 8855 Sonoma headwaters of Sulpher Creek, opposite Old Sonoma quicksiver mine 610 Comment
  CAS-BOT-BC402865  Eschscholzia caespitosa Catherine Best 1982-4-17 s.n. Sonoma Bohemian Hwy about 5 miles north of Occidental Comment
  SEINET6911603  Eschscholzia caespitosa W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Weedy grassland about 7.8 miles south-southeast of Annapolis; northwest Sonoma county. Comment
  CAS-BOT-BC403699  Eschscholzia californica Alice Eastwood 1899-6-9 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC403703  Eschscholzia californica Alice Eastwood; John Thomas Howell 1939-4-2 7373 Sonoma Coast north of Bodega Bay Comment
  CAS-BOT-BC403708  Eschscholzia californica Joanne Taylor 1941-7-13 3 Sonoma Bodega Head 30 Comment
  UC10024  Eschscholzia californica Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  CAS-BOT-BC403696  Eschscholzia californica F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  RSA33437  Eschscholzia californica subsp. californica E. K. Balls, Percy C. Everett 1953-10-9 18596 Sonoma South end of Doran Park, Bodega Bay, Hwy 1 3 Comment
  CAS-BOT-BC202772  Euonymus occidentalis H. L. Mason 1928-7-11 4890 Sonoma Canyon 2 miles north of Fort Ross Comment
  RSA789604  Euonymus occidentalis var. occidentalis R. W. Spjut, Peter Baye 2010-6-21 16711 Sonoma Along Wheatfield Fork of Gualala River just south of junction with Fuller Creek, and north of junction with Haupt Creek and Steward Pt-Skaggs Springs Road. 55 Comment
  CAS-BOT-BC290686  Euphorbia Peter Rubtzoff 1987-10-17 9878 Sonoma Along Highway 116 ca. 0.3 miles southeast of Forestville. Comment
  CAS-BOT-BC540836  Euphorbia Peter Rubtzoff 1970-9-2 6359 Sonoma Mirabel Park; Russian River bottom Comment
  CDA34801  Euphorbia oblongata Peter Warner 2010-5-6 142 Sonoma Annadel State Park, North Burma Trail, ~ 500 m W of junction with Richardson Trail; along trail and downslope. Comment
  UCD142412  Euphorbia oblongata Thomas C. Fuller 1985-5-31 20430 Sonoma East side of Arnold Drive; Hwy 116; just north of culvert no. 45.19; ca. 7 km. south of El Verano. Comment
  UCD142451  Euphorbia peplus Freed W. Hoffman 1947-2-28 604 Sonoma Wild Hog Ridge; headwaters of Palmer Creek, a branch of Mill Creek. Comment
  UCD142479  Euphorbia peplus C. Wistrom 1996-5-26 32 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  RSA0065155  Eurybia radulina Greg de Nevers 1997-8-17 11078 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. Oak Hill Ranch. 100 Comment
  CAS-BOT-BC354320  Euthamia occidentalis Peter Rubtzoff 1958-8-23 3919 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road. Comment
  CAS-BOT-BC310742  Euthamia occidentalis Walter Knight; Irja Knight 1963-9-12 248 Sonoma Bridge on Magnolia Ave. near Thompson Lane, Petaluma Comment
  CAS-BOT-BC239721  Fabaceae Peter Rubtzoff 1970-8-25 6339 Sonoma Austin Creek beach 0.5 mile north of Cazadero Comment
  UCD161372  Festuca californica 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
  CAS-BOT-BC283193  Festuca californica subsp. californica Mary P. Wells 1984-5-24 276 Sonoma Annadel State Park, Santa Rosa Comment
  RSA123478  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
  CAS-BOT-BC278415  Festuca idahoensis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53981 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UC573935  Festuca idahoensis H. S. Yates 1937-5-30 6544 Sonoma 3 mi wnw Graton; Sebastopol Quad. 60 Comment
  UC60789  Festuca idahoensis F. T. Bioletti 1897-6-8 Sonoma South Los G<sic> Valley Comment
Read comments
Oct 18 2008
  JEPS128389  Festuca microstachys Roger Raiche 2000-4-2 014 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC278887  Festuca occidentalis Milo S. Baker 1945-5-1 10893 Sonoma Santa Rosa Cr. Canyon, south slope Comment
  CAS-BOT-BC354074  Filago Peter Rubtzoff; H. A. Froebe 1971-5-30 6480 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UC466558  Fragaria vesca Milo S. Baker May 1899 Sonoma Stewart's Canyon Comment
  CAS-BOT-BC457582  Fragaria vesca subsp. californica J. W. Congdon only April written on sheet s.n. Sonoma Santa Rosa Comment
  UCD112528  Frangula californica P. G. Connors 1991-6-25 176 Sonoma Bodega Head and Dunes. Comment
  UCD112792  Frangula californica subsp. tomentella Roger Raiche 1985-11-29 RR 50900 Sonoma northeast end of town of Healdsburg on Reservoir Hill. 121 Comment
  CDA43437  Frankenia salina Stephanie Larson 2015-7-21 PDR# 49 UP06191161 Sonoma Near Highway 37. 0 Comment
  CAS-BOT-BC218582  Fraxinus latifolia H. E. McMinn 1922-6-1 s.n. Sonoma Petrified Forest Comment
  CAS-BOT-BC218586  Fraxinus latifolia Peter Rubtzoff 1951-8-19 653 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  UCD122049  Fraxinus latifolia Frederica Bowcutt 1997-7-18 2178 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-BC130180  Fritillaria affinis Milo S. Baker 1934-3-25 7577 Sonoma Pine Flat Comment
  JEPS55676  Fritillaria recurva Wayne Roderick 1968-3-24 Sonoma Cavedale Road 274 Comment
  UCD158783  Galium bolanderi James A. Neilson Jr. 1974-6-1 2768 Sonoma Mayacmas Mountains, Geyser Rock, northeastern Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  JEPS15257  Galium californicum subsp. californicum Rimo Bacigalupi with G. T. Robbins and F. Hoffmann 1956-5-30 5670 Sonoma nr Layton Chromite Mine (along creekbed, headwaters of creek); Big Austin Creek, vicinity of The Cedars 266 Comment
  UCD121758  Galium divaricatum Leo Koch 1940-6-12 1014 Sonoma Behind Fountaingrove Vineyard three miles north of Santa Rosa along Highway 101. Comment
  SEINET12333743  Galium murale H. K. Wagnon 1989-1 1882 Sonoma Spring Lake Park & environs, adjacent to Montgomery Drive, edge of service road 67 Comment
  UCD151154  Galium nuttallii James A. Neilson Jr. 1973-6-7 3563 Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  SEINET7067274  Galium parisiense A. G. Vestal 1947-5-13 s.n. Sonoma About 0.6 miles east of Annaplis. Coordinate datum: NAD27. Comment
  JEPS19406  Galium porrigens var. porrigens G. Thomas Robbins 1940-3-24 306 Sonoma about 6 mi e Santa Rosa (Calistoga Rd); Rincon Grade 167 Comment
  JEPS52967  Galium porrigens var. porrigens Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3903 Sonoma 4.8 mi n Cazadero (on King Mt. Road) Comment
  JEPS87246  Galium porrigens var. porrigens Jack and Betty Guggolz 1992-8-29 1346 Sonoma about 2 mi nnw Camp Meeker 146 Comment
  RSA264733  Galium trifidum Peter Rubtzoff 1962-10-9 5108 Sonoma Brooks Gulch Marsh. Comment
  JEPS6458  Galium trifidum var. pacificum Peter Rubtzoff 1951-6-7 127 Sonoma western branch of the upper marsh Pitkin Marsh (near Forestville) Comment
  UC1042429  Gamochaeta ustulata Peter Rubtzoff 1951-6-7 137 Sonoma Western branch of Upper Marsh, (near Forestville, in a marshy opening); Pitkin Marsh Comment
  CAS-BOT-BC303504  Gamochaeta ustulata 1877-1-1 s.n. Sonoma Guerneville Comment
  RSA790994  Gamochaeta ustulata Peter Rubtzoff 1962-6-19 4923 Sonoma Occidental Marsh. Comment
  RSA12702  Garrya elliptica Carl B. Wolf, E. R. Johnson 1934-10-13 6180 Sonoma Nine miles north of Fort Ross on Coast Road to Stewarts Point. 46 Comment
  CAS-BOT-BC311820  Gastridium Peter Rubtzoff; Nancy Harrison 1976-6-18 8649 Sonoma False Lake Meadow area, Annadel State Park. Comment
  POM188277  Gastridium phleoides Marcus E. Jones 1931-7-5 29208 Sonoma The Geysers. Comment
  UC38571  Gastridium ventricosum A. B. Leckenby July 1896 Sonoma Petaluma Comment
  UCR248754  Gastridium ventricosum Peter Rubtzoff 1970-8-19 6334 Sonoma On Austin Creek beach, 0.5 miles north of Cazadero 38 Comment
  UCR248909  Gastridium ventricosum Peter Rubtzoff 1974-6-2 7527 Sonoma Upper Green Valley Marsh Comment
  UCSB4792  Gaultheria shallon Haller, John 1960-5-29 Sonoma 3.6 miles southeast of Stewarts Point settlement (road to Healdsburg), 11.8 miles northwest of Fort Ross on California 1 Comment
  UC17122  Geranium carolinianum H. N. Bolander 1864-1 3845 Sonoma Cloverdale Comment
  UC1541357  Geranium dissectum H. E. and S. T. Parks 1930-5-9 613 Sonoma head of Alexander Valley Alexander Valley Comment
  SD56819  Geranium dissectum Darley F. Howe 1963-5-22 3520 Sonoma 14 miles south of Santa Rosa on #12 121 Comment
  SDSU7330  Geranium dissectum D. F. Howe 1963-5-22 3520 Sonoma 14 miles south of Santa Rosa on #12. 122 Comment
  UCD103404  Geranium molle Frederica Bowcutt 1994-5-21 1825 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. Along meadow trail approx. 3/4 mile from trailhead. 396 Comment
  CAS-BOT-BC225280  Gilia capitata subsp. chamissonis John Thomas Howell 1930-6-8 5272 Sonoma North end of Bodega Bay Comment
  UC1299519  Gilia tricolor subsp. tricolor Freed W. Hoffman 1947-4-3 879 Sonoma near Guerneville (headwaters of Fife Creek on road to Austin Ranch); North Coast Ranges, Fife Creek, near Guerneville 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
  JEPS78761  Githopsis specularioides L. R. Heckard with Michael Morris 1976-4-26 4231 Sonoma n of Guerneville (along n side of Gilman Creek, near road running nw of Vista Point and Redwood Lake (ca 0.75 mi from there)); Armstrong Redwoods State Park, Gilman Creek 182 Comment
  UC894568  Glebionis segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  UC914251  Glebionis segetum Verne Grant and Alva Grant 1947-5-4 7952 Sonoma 1 mi e of Bodega Bay (on road to Bodega) Comment
  CAS-BOT-BC435014  Glinus lotoides Peter Rubtzoff 1966-9-25 5825 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  CAS-BOT-BC227651  Glyceria Peter Rubtzoff 1966-5-29 5739 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road crossing). Comment
  UCD66769  Glyceria declinata Collector Unknown 1982-5-21 Sonoma Sonoma County. Comment
  RSA786492  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5379 Sonoma Coleman Marsh. Comment
  RSA94606  Glyceria leptostachya Peter Rubtzoff 1952-5-31 1120 Sonoma Pitkin Marsh, near Forestville, northern half of Lower Marsh Comment
  CAS-BOT-BC166688  Gnaphalium Peter Rubtzoff 1965-10-17 s.n. Sonoma Russian River Bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166683  Gnaphalium chilense Peter Rubtzoff 1951-8-26 685 Sonoma Along road from East Guernewood to Vacation Beach. Comment
  RSA790990  Gnaphalium chilense Peter Rubtzoff 1954-9-4 1725 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC302697  Gnaphalium palustre Peter Rubtzoff 1955-8-21 2093 Sonoma Vacation Beach, near Guerneville, along Russian River, below the dam. Comment
  UCD148328  Gnaphalium palustre Peter Rubtzoff 1954-7-3 1515 Sonoma Vacation Beach, near Guerneville. Comment
  UCR279610  Gnaphalium palustre Peter Rubtzoff 1959-6-20 4164 Sonoma Willow Creek Marsh 9 Comment
  RSA785847  Gnaphalium palustre Peter Rubtzoff 1969-10-29 6202 Sonoma River Road, 3 mi W of Fulton Comment
  CDA6006  Gnaphalium purpureum T. C. Fuller 1958-5-24 3986 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CAS-BOT-BC251252  Gratiola Peter Rubtzoff 1972-5-25 6756 Sonoma Laguna, Chileno Valley. Comment
  UCD84290  Gratiola ebracteata Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  UCR242983  Gratiola ebracteata Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  RSA785226  Grindelia Peter Rubtzoff 1964-7-7 5392 Sonoma Laguna de Santa Rosa E of Graton. Comment
  CAS-BOT-BC305174  Grindelia hirsutula P. A. Munz 1936-8-7 14306 Sonoma 2 mi. north of Bodega Comment
  CAS-BOT-BC305183  Grindelia hirsutula F. T. Bioletti 1891-1-1 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC305188  Grindelia hirsutula J. T. Howell 1930-7-13 5338 Sonoma Black Point road Comment
  UC196832  Grindelia hirsutula J. W. Congdon 1881-5-23 Sonoma Petaluma Comment
  UC468768  Grindelia hirsutula Harley P. Chandler 1900-5-25 695 Sonoma Bodega Bay Comment
  UCR50519  Grindelia nana L. F. LaPre, K. Campbell 1987-6-28 s.n. Sonoma North Coast Ranges, Cadd Fire Trail, off Unocal Ridge Road, 2 mi. west of Socrates Mine, near Lake county line 976 Comment
Read comments
Aug 29 2007
  SD39802  Grindelia stricta var. platyphylla Edith A. Purer 1932-7-21 4041 Sonoma Bodega Bay Comment
  UCD132575  Grindelia stricta var. platyphylla Mary M. Hektner; Cathy Hendel 1974-7-23 161 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC38767  Hainardia cylindrica A. B. Leckenby July, 1896 Sonoma Petaluma Comment
  SEINET11839687  Haplopappus arborescens W. Knight, Knight, I. 1981-1 3961 Sonoma 2.3 mi up Cavedale Rd from jct of Hwy 12 Comment
  UC30652  Harmonia nutans F. T. Bioletti 1892-5-15 Sonoma Hood's Peak; ; Hood's Peak, Sonoma Co. Comment
  CAS-BOT-BC306331  Hedypnois cretica Ella Dales Cantelow 1941-4-14 3509 Sonoma Mouth of Salmon Creek nr. ocean Comment
  CAS-BOT-BC306765  Helenium bigelovii Milo S. Baker 1927-6-9 2217 b Sonoma About Kenwood Comment
  JEPS15040  Helenium puberulum unknown 1877-6-14 Sonoma Guerneville Comment
  CAS-BOT-BC309579  Helenium puberulum G. DeNevers 1981-5-30 1386 Sonoma Pepperwood Ranch. Shore of Pippindale Pond Comment
  SEINET11842951  Helianthella californica F. H. Utech 1986-1 86 -113 Sonoma ca 5 mi NE on Cavedale Road from junction with CA 12 500 Comment
  CAS-BOT-BC314720  Helianthella californica var. californica C. F. Leitholt 1893-6-1 s.n. Sonoma Bennet Valley Comment
  CAS-BOT-BC314736  Helianthella californica var. californica James McMurphy 1909-5-29 s.n. Sonoma Between Geyser Peak and Black Mountain Comment
  CAS-BOT-BC314739  Helianthella californica var. californica Catherine Best 1981-5-16 s.n. Sonoma About three miles east of Sonoma on Wood Valley Road Comment
  JEPS86760  Helianthus californicus Jack and Betty Guggolz 1990-9-9 1088 Sonoma between Cloverdale and the Asti crossing (Russian River bed); Russian River 79 Comment
  RSA264767  Heliotropium curassavicum var. oculatum Peter Rubtzoff 1971-8-9 6635 Sonoma Laguna, Chileno Valley. Comment
  NY335357  Heliotropium oculatum A. A. Heller 1902-7-8 5813 Sonoma Sandy bank of Russian River at Healdsburg Comment
  UCD132957  Helminthotheca echioides J. D. Skoss 1948-7-25 43 Sonoma Shellville. Comment
  CAS-BOT-BC262967  Hemizonia Peter Rubtzoff 1956-9-16 2927 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCR244621  Hemizonia Peter Rubtzoff 1966-8-18 5791 Sonoma Laguna de Santa Rosa, c. 1 mi east southeast of Sebastopol 17 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
  CAS-BOT-BC261641  Hemizonia Peter Rubtzoff 1957-8-17 3520 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC262984  Hemizonia Peter Rubtzoff 1971-7-23 6619 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC305995  Hemizonia Peter Rubtzoff 1966-8-25 5804 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads Comment
  UCD166108  Hemizonia Peter Rubtzoff 1971-9-30 6709 Sonoma Laguna, Chileno Valley. Comment
  UCD166306  Hemizonia Peter Rubtzoff 1966-8-25 5804 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads. Comment
  UCD168063  Hemizonia congesta James Neilson 1981-8-21 4062 Sonoma Mayacmas Mountains. Healdsberg-Geysers Rd ca. 2 mi. from foothills. (Exact location unknown. Coordinates estimated by label maker.) Comment
  OBI49585  Hemizonia congesta subsp. clevelandii Caitlin Bean 1992-6-16 s.n. Sonoma Windsor at confluence of E Windsor Crk and Windsor crk Comment
  CAS-BOT-BC306246  Hemizonia congesta subsp. congesta James I. McMurphy 1906-7-17 s.n. Sonoma Fulton Comment
  LA203725  Hemizonia congesta subsp. congesta Lewis S. Rose; 1935-9-11 35622 Sonoma 2 mi. N of Healdsburg 39 Comment
  UC1612985  Hemizonia congesta subsp. congesta M. Rockwood and L. Esposito 1994-6-14 541 Sonoma ca 1.5 mi nw Bodega; Rancho Bodega 42 Comment
  CAS-BOT-BC306242  Hemizonia congesta subsp. congesta James I. McMurphy 1908-9-26 s.n. Sonoma Foothills east of Fulton Comment
  JEPS86754  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1990-7-1 1080 Sonoma three-tenths of a mile up creek from Bohemian Highway (below a reservoir on serpentine); Grub Creek Comment
  UC483683  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-9 5746 Sonoma 1 mi e Occidental Comment
  CAS-BOT-BC309681  Hemizonia congesta subsp. lutescens Peter H. Raven 1955-8-27 8754 Sonoma Petaluma Creek at bridge on Black Point Cutoff Comment
  CAS-BOT-BC309704  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-23 10243 Sonoma 7 1/2 mi. n.w. of Petaluma Comment
  UC1301039  Hemizonia congesta subsp. lutescens Helen K. Sharsmith 1963-5-25 5484 Sonoma 152 Comment
  UC295871  Hemizonia congesta subsp. lutescens H. M. Hall 1924-8-13 12101 Sonoma 4 km s Santa Rosa (along road to Petaluma) Comment
  UCD135802  Hemizonia congesta subsp. lutescens Bruce G. Baldwin 1986-10-29 645 Sonoma 0.3 mile south of junction with California State Highway 116 along Lakeville Road. Comment
  CAS-BOT-BC309950  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1910-6-8 s.n. Sonoma Valley across hills from Petaluma Comment
  OBI16217  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 mi NE of Penngrove 427 Comment
  UC495618  Hemizonia congesta subsp. luzulifolia Joseph P. Tracy 1930-9-1 9173 Sonoma Knight's Valley North Coast Ranges Comment
  POM181070  Hemizonia fitchii J. T. Howell 1930-9-14 5485 Sonoma 6 miles N of Geyserville. Comment
  POM215134  Hemizonia parryi subsp. parryi D. D. Keck 1933-11-10 2730 Sonoma 2.3 miles SW of Shellville railroad station. Comment
  RSA227201  Heracleum maximum Peter Rubtzoff 1964-5-20 227201 Sonoma Brooks Gulch Marsh. Comment
  OBI77797  Heracleum maximum David J. Keil 1983-6-29 17194 Sonoma 5 mi N of Bodega Bay along hwy 1 Comment
  CAS-BOT-BC310216  Hesperevax sparsiflora var. sparsiflora G. DeNevers 1981-4-25 834 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  HSC39061  Hesperocyparis macnabiana Gary S. Lester 1974-2-9 68 Sonoma Along Trinity Rd. 549 Comment
  HSC1230  Hesperocyparis sargentii L. S. Rose 1969-8-17 69096 Sonoma 4 mi. NE of Occidental, Harrison Grade 244 Comment
  OBI7229  Hesperocyparis sargentii H. E. McMinn 1936-4-5 4405 Sonoma 2 mi N of Occidental Comment
  UCD167528  Hesperolinon californicum James Neilson 1979-6-26 3980 Sonoma Mayacmas Mountains, between Big and Little Sulphur Creeks, about 3/4 miles north Contact Mine, northwest Socrates Mine. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC903740  Hesperolinon micranthum Milo S. Baker 1947-5-5 11728 Sonoma s slope of mountain above Baker Ranch; Inner North Coast Ranges, Hood Mt. 213 Comment
  RSA63652  Hesperolinon micranthum Milo S. Baker 1947-5-5 11728 Sonoma South slope of Hood Mt. Above Baker Ranch. 213 Comment
  UC1212404  Hesperolinon spergulinum F. W. Hoffman 1950-6-16 3615 Sonoma near Mercuryville (on road from Healdsburg to Big Geysers) Comment
  UC762262  Hesperolinon spergulinum R. F. Hoover 1942-7-6 5913 Sonoma ridge s The Geysers Comment
  CAS-BOT-BC371405  Heterocodon rariflorum Greg de Nevers 1993-4-29 10418 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Devils' Kitchin. 457 Comment
  CAS-BOT-BC311021  Heterotheca oregona G. DeNevers; S. Castagnoli 1981-8-2 1797 Sonoma Pepperwood Ranch. Along Mark West Creek Comment
  UC858023  Heuchera micrantha var. erubescens Alice Eastwood 1915-6-5 4577 Sonoma Petrified Forest Comment
  CAS-BOT-BC423439  Heuchera micrantha var. hartwegii Milo S. Baker 1924-4-27 101 -Local 24 Sonoma Sonoma Mt. Road to Cooper's [Coppers] Grove Comment
  UCSC000335  Heuchera pilosissima H. S. Yates 1934-3-21 3790 Sonoma near Bodega - Sebastopol 61 Comment
  RSA0063040  Heuchera pilosissima H. C. Cantelow 1941-6-7 s.n. Sonoma Near Bodega Bay. On State Hwy 1. Comment
  SEINET12216892  Heuchera pilosissima W. Knight, Knight, I. 1984-1 5292 Sonoma Gualala Pt. State Park Comment
  CDA5016  Hibiscus trionum E. P. Delfino 1959-11-3 Sonoma 199 West Matheson, Santa Rosa. 0 Comment
  CDA31348  Hieracium albiflorum D. G. Kelch, Ed Biffin 2010-5-3 10 .196 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CAS-BOT-BC280791  Holcus lanatus A. A. Heller 1902-6-7 5651 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  JEPS97538  Holcus lanatus R. D. Stone 1980-11-28 321 Sonoma the Sea Ranch; Annapolis Road area just below and west of landing strip Comment
  UCD84904  Holcus lanatus Peter Kamb; Francia Chisaki 1950-6-16 1856 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners. 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
  RSA790984  Holocarpha virgata subsp. virgata Peter Rubtzoff 1963-8-24 5245 Sonoma 2.5 miles north of Sebastopol Comment
  CAS-BOT-BC152391  Holodiscus discolor var. discolor D. E. Breedlove 1980-6-27 44761 Sonoma Pepperwood Ranch W of Knights Valley Comment
  JEPS120286  Holodiscus dumosus var. cedrorum Barbara Ertter with R. Raiche, J. Shevock, R. Bittman, et al. 1994-6-23 12850 Sonoma The Cedars serpentine area at head of Big Austin Creek N of Cazadero, ca 20 airmiles due W of Healdsburg, along south side of creek Comment
  UCR244743  Holozonia filipes Peter Rubtzoff 1971-7-9 6601 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  UCR279627  Holozonia filipes Peter Rubtzoff 1961-7-22 4661 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 363 Comment
  SEINET249774 Image available Hordeum californicum Beecher Crampton 1959-6-16 5385 Sonoma 1 mile east of Occidental. Comment
  CAS-BOT-BC285183  Hordeum marinum subsp. gussoneanum John Thomas Howell; Walter Knight; Irja Knight 1988-5-21 6226 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC285188  Hordeum marinum subsp. gussoneanum H. S. Yates 1936-5-16 5601 Sonoma 2 miles southeast of Forestville 30 Comment
  UC573679  Hordeum marinum subsp. gussoneanum H. S. Yates 1936-5-16 5601 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  CHSC8222  Hordeum murinum subsp. glaucum K. Henegar 1969-5-10 46 Sonoma Schooner Gulch, 200 yds s on Highway 1. Found on ocean side of road. Comment
  RSA123428  Hordeum murinum subsp. glaucum R. W. Lundh 1932-7-19 118 Sonoma 1/2 mile W. Los Alamos School 518 Comment
  CAS-BOT-BC282024  Hordeum murinum subsp. leporinum A. A. Heller 1902-4-11 5278 Sonoma Bodega Bay Comment
  UC1596333  Hordeum murinum subsp. leporinum Richard R. Halse 1987-2-22 3375 Sonoma along State Highway 121 .4 mi e of its junction with State Highway 116 at Big Bend in the Sonoma Valley 6 Comment
  SEINET11690143  Hordeum murinum subsp. leporinum J. T. Howell, Knight, W.; Knight, I. 1987-1 6232 Sonoma corner Todd & Llamo Rds, Todd Road Preserve 24 Comment
  UCD160917  Horkelia californica James A. Neilson Jr. 1975-7-8 3379 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  UCD106191  Hosackia stipularis P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar Ranch. Comment
  JEPS117115  Humulus lupulus Peter Warner 2010-7-29 172 Sonoma State Hwy. 116, at 21.31 mark, ~ 2.53 km, E 143 deg. S of Forestville, in marshy area along W side of highway. Comment
  CAS-BOT-BC290637  Hypericum Peter Rubtzoff 1974-6-9 7583 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC401003  Hypericum anagalloides Walter Knight; Irja Knight 1963-9-1 135 Sonoma Marsh near highest summit of Harold Smith Ranch on Pine Mt Rd NE of Cloverdale 731 Comment
  CAS-BOT-BC410819  Hypericum concinnum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC410823  Hypericum concinnum F. G. Krauss 1894-5-1 s.n. Sonoma Mountains W of Calistoga Comment
  CAS-BOT-BC401290  Hypericum perforatum Peter Rubtzoff 1956-9-16 2922 A Sonoma Vacation Beach, near Guerneville Comment
  UCD133333  Hypochaeris glabra Mary M. Hektner 1976-5-10 254 Sonoma above beach near the Sea Ranch Association Office; Unit 36 Owners' Map, Sea Ranch, near State Highway 1. Comment
  POM361228  Hypochaeris radicata Christopher Davidson 1977-6-17 5885 Sonoma Coast Hwy 1, ca. 3 miles N of Jenner. Comment
  UCD138706  Iris douglasiana Charles B. Heiser Jr. 1946-4-13 1721 Sonoma between Jenner and Duncan's Mills. Comment
  UCSB11204  Iris douglasiana Breedlove, Dennis 1961-12-31 Sonoma beside State Hwy 1; 3.9 mi N of Russian River 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
  UCR265222  Iris longipetala Ann Howald 2015-5-2 3380 Sonoma North Coast Ranges, Houser Bridge Rd, c. 1 mile north of intersection with Kruse Ranch Rd. 295 Comment
  RSA135931  Iris macrosiphon E. K. Balls, Lee W. Lenz 1951-5-10 16535 Sonoma 0.3 miles south of Mendocino-Sonoma Co. line on Hwy 28. Comment
  UCD166077  Isoetes Peter Rubtzoff 1971-6-5 6514 Sonoma Dry bed of vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UCD84281  Isoetes howellii Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  CAS-BOT-BC61919  Isoetes nuttallii John Thomas Howell 1937-6-6 13029 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC112410  Isolepis carinata Peter Rubtzoff 1952-5-10 1009 Sonoma Pitkin Marsh, near Forestville: Lower part of the Upper Marsh Comment
  SEINET11750612  Isolepis carinata H. K. Wagnon 1989-1 1871 Sonoma Ocean Bluff, Salt Pt. State Park 0 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
  HSC7451  Isolepis cernua A. A. Beetle 1941-7-8 2854 Sonoma 5 mi. S of Stewart's ('Steward') Point 24 Comment
  UCD82016  Isolepis levynsiana Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. Vernal Pool Plot SRP04. 37 Comment
  RSA0011155  Juglans Peter Rubtzoff 1970-8-31 6348 Sonoma 5.5 miles east of Guerneville, along Russian River at Forest Hills. Comment
  SEINET7067269  Juncus bufonius A. G. Vestal 1947-5-13 s.n. Sonoma About 1.6 miles east of Annaplis on the Annapolis Road. Coordinate datum: NAD27. UTM 10, 425816mE, 4285229mN. Comment
  RSA94318  Juncus bufonius var. bufonius Peter Rubtzoff 1951-7-14 445 Sonoma Pitkin Marsh, near Forestville. Southern half of lower marsh. Comment
  UCR218215  Juncus bufonius var. congestus George K. Helmkamp, E. A. Helmkamp 2010-6-4 16234 A Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 9.8 rd. miles east of its junction with US-101, 4.5 air miles SW (250 deg. ) of Calistoga 280 Comment
  RSA234552  Juncus dubius Peter Rubtzoff 1960-6-9 4490 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  UCR198257  Juncus dubius Dean Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh 38 Comment
  RSA785889  Juncus effusus Peter Rubtzoff 1964-7-29 5454 Sonoma Duncans Mill Marsh. Comment
  CAS-BOT-BC164041  Juncus effusus subsp. pacificus Peter Rubtzoff 1973-9-9 7324 Sonoma Sonoma: Kenwood Marsh Comment
  RSA785888  Juncus effusus var. brunneus Peter Rubtzoff 1963-7-27 5213 Sonoma Duncans Mills Marsh. Comment
  CHSC8230  Juncus ensifolius J. G. Moore 1969-5-10 139 Sonoma 8 mi. s of Stewarts Point. On e side of Hwy. 1. 30 Comment
  UCD148464  Juncus hesperius Peter Rubtzoff 1963-7-27 5213 Sonoma Duncans Mills Marsh. Comment
  UCD166109  Juncus kelloggii Peter Rubtzoff 1972-4-23 6732 Sonoma Vernal pool, 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  POM111129  Juncus lescurii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  UCR248764  Juncus lescurii Peter Rubtzoff 1954-8-9 1663 Sonoma Bodega Head Marsh 2 Comment
  RSA0015644  Juncus lescurii Peter Rubtzoff 1959-6-20 4179 Sonoma Willow Creek Marsh. Comment
  RSA94319  Juncus orthophyllus Peter Rubtzoff 1951-8-18 623 Sonoma Pitkin Marsh, near Forestville. Western branch of the upper marsh. Comment
  UC143742  Juncus patens A. A. Heller 1902-6-27 5778 Sonoma w of Windsor (near Russian River) Comment
  JEPS121418  Juncus xiphioides Peter F. Zika 2012-6-30 25944 Sonoma Pepperwood Preserve, near Dwight Center, 3 air miles SE of Bald Hills, Mayacmas Mountains Comment
  RSA126570  Juncus xiphioides H. S. Yates 1936-5-16 5596 Sonoma 2 miles SE of Forestville 30 Comment
  CDA37336  Keckiella lemmonii D. G. Kelch, T. McGregor 2010-8-22 10 .344 Sonoma Geyser Peak Rd. Comment
  RSA0022380  Kickxia elatine Peter Rubtzoff 1970-9-8 6381 Sonoma Marsh on River Road, ca. 3 mi west of Fulton. Comment
  UCR248746  Kickxia spuria Peter Rubtzoff 1973-8-20 7228 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente 38 Comment
  UC1132153  Koeleria macrantha H. S. Yates 1937-5-3 6561 Sonoma 1 1/2 mi wnw Mark West Springs; Calistoga Quadrangle Comment
  UCD85986  Koeleria macrantha R. Tofsrud 1941-5-1 121 Sonoma Santa Rosa. Comment
  UCD86025  Koeleria macrantha Beecher Crampton 1957-7-22 4396 Sonoma 1/4 mile north of Fort Ross, State Hwy. 1. Comment
  RSA93404  Koeleria macrantha Milo S. Baker 1950-5-20 12223 Sonoma Summit above Coleman Ranch, Hope Valley, near Kenwood Comment
  UC403007  Kopsiopsis strobilacea Adolphe H. Weber May 1896 Sonoma Comment
  CAS-BOT-BC176156  Lactuca Peter Rubtzoff 1958-9-6 3975 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road). Comment
  CAS-BOT-BC340483  Lactuca saligna Leonore Bravo 1982-9-12 s.n. Sonoma Guerneville (on road to Armstrong Grove) Comment
  CAS-BOT-BC340488  Lactuca saligna Walter Knight; Irja Knight; J. T. H. 1984-9-26 5231 Sonoma 4.9 mi. up Cavedale Rd. Comment
  JEPS128217  Lactuca serriola Roger Raiche 2000-5-5 099 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC340660  Lactuca serriola Mary P. Wells 1985-9-2 611 Sonoma Bed of Ducker Creek, Rincon Valley, Santa Rosa Comment
  UC89191  Lagophylla minor T. Brandegee Sonoma Mt. St. Helena Comment
  CAS-BOT-BC341709  Lagophylla ramosissima James I. McMurphy 1909-5-28 s.n. Sonoma 1 mile west of Santa Rosa Comment
  SFV18518  Lamarckia aurea G. Leppig 1998-5-6 1344 Sonoma Austin Creek State Recreation Area. Austin Creek Trail. 177 Comment
  CAS-BOT-BC490425  Lamiaceae Peter Rubtzoff 1971-6-25 6566 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing Comment
  UCD165120  Lamium Peter Rubtzoff; Paul But 1974-4-6 7359 Sonoma Along roadside at the border of the Forestville Marsh. Comment
  SD56365  Lamium purpureum Wayne Roderick 1962-3-20 Sonoma Near Sebastopol Comment
  UCSC007232  Lasthenia Randall Morgan 2003-6-27 3992 Sonoma Colony on low coastal bluff halfway along Salt Pt. State Park, Sonoma Coast Comment
  CAS-BOT-BC474557  Lasthenia burkei Ayzik Solomeshch 2009-5-11 s.n. Sonoma NW of the city of Santa Rosa, S of River Rd and W of Fulton Rd, just N of Wood Rd, Sampling pool #4. 44 Comment
  JEPS86323  Lasthenia burkei Jack and Betty Guggolz 1988-4-8 912 Sonoma 100 m w Walzer Road (n side of San Miguel Road) Comment
  JEPS86746  Lasthenia burkei Jack and Betty Guggolz 1990-4-6 1029 Sonoma 1.25 mi nw old Windsor (Kidd Development) 41 Comment
  UC1594206  Lasthenia burkei L. Huntington 1990-5-4 256 Sonoma n side of Laguna de Santa Rosa; Sebastapol 18 Comment
  UCD133642  Lasthenia burkei Peter Rubtzoff 1966-5-7 5716 Sonoma Laguna de Santa rosa east of Graton, between Occidental and Guerneville roads. Comment
  SEINET7067258  Lasthenia californica A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  CAS-BOT-BC324933  Lasthenia californica subsp. bakeri Milo S. Baker 1938-5-14 s.n. Sonoma Larkspur Rock east of Bay Comment
  UC1118957  Lasthenia californica subsp. californica H. S. Yates 1934-4-22 3843 Sonoma 2 mi. s Mark West; Calistoga Quad. Comment
  CAS-BOT-BC324410  Lasthenia californica subsp. macrantha J. Clausen 1935-5-24 1092 Sonoma 6.2 miles south of Jenner Comment
  UC1363833  Lasthenia californica subsp. macrantha Robert Ornduff 1958-4-30 4968 Sonoma just n of mouth Salmon Creek (between road (Highway 1) and ocean); Sonoma Coast Park Comment
  UCD33659  Lasthenia californica subsp. macrantha Beecher Crampton 1971-6-6 8720 Sonoma Carmet, Sonoma Coast State Park. Comment
  CAS-BOT-BC355518  Lasthenia glaberrima Peter H. Raven 1963-4-28 18254 Sonoma 4.7 miles south of El Verano on Arnold Drive Comment
  CAS-BOT-BC355522  Lasthenia glaberrima Alice Eastwood 1917-5-13 s.n. Sonoma Road to Bodega Point Comment
  CAS-BOT-BC355524  Lasthenia glaberrima Peter Rubtzoff 1958-5-10 3654 Sonoma Laguna de Santa Rosa north of Cunningham (near Todd Road) Comment
  UC90040  Lasthenia glaberrima Katharine Brandegee 1905-6-8 Sonoma between Santa Rosa Sevastopol Comment
  CAS-BOT-BC355529  Lasthenia glaberrima Peter Rubtzoff 1965-5-8 5525 Sonoma Laguna Santa Rosa area east of Cunningham, nr, Llano Road. Comment
  CAS-BOT-BC355537  Lasthenia glaberrima Lois E. James; L. Beane 1949-5-16 1947 Sonoma About 3 mi. S. of Healdsburg. Comment
  RSA42049  Lasthenia macrantha subsp. macrantha Ella Dales Cantelow 1938-5-7 s.n. Sonoma 2.5 miles N of Bodega Comment
  SBBG7773  Lasthenia macrantha subsp. macrantha H. and M. Dearing 1939-5-14 3366 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  JEPS18020  Lasthenia minor George B. Rossbach 1955-3-19 516 Sonoma sw end Bodega Head 30 Comment
  UC499848  Lasthenia minor Roxana S. Ferris 1932-5-27 8256 Sonoma n end of Bodega Bay Comment
  CAS-BOT-BC376424  Lathyrus sphaericus Greg de Nevers 1993-4-26 10404 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Road by Mountain House entrance. 400 Comment
  SD254612  Lathyrus vestitus Ann Howald 2015-4-1 3333 Sonoma North Coast Ranges; Stewarts Point-Skaggs Springs Rd. 16.7 miles west of intersection with Rockpile Rd., Wolf Creek drainage. 294 Comment
  UCD106467  Lathyrus vestitus Frederica Bowcutt 1984-6-23 441 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. West of Highway 1. Along bluff trail north of Gerstle Cove about 1/2 mile. 15 Comment
  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
  UCD38479  Lathyrus vestitus Beecher Crampton 1955-6-17 2974 Sonoma State Hwy. 12, 1 mile east of Duncan Mills. Comment
  POM29620  Lathyrus vestitus subsp. vestitus Marcus E. Jones 1882-7-17 3576 Sonoma Duncan's Mills. Comment
  UC15379  Lathyrus vestitus var. vestitus State Survey 1862-4-18 966 Sonoma near Sonoma Comment
Read comments
Jan 20 2011
  CAS-BOT-BC323232  Layia chrysanthemoides David D. Keck 1933-5-28 2320 Sonoma 3.4 miles E of Shellville (just E of intersection of Sonoma road). Comment
  UC584225 Image available Layia chrysanthemoides J. Clausen 1935-5-24 1090 Sonoma 6.2 mi s Jenner (at a little bay); ; S of Jenner, Sonoma Co. Comment
  UCD166136  Layia chrysanthemoides Peter Rubtzoff 1969-5-11 6036 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC323236  Layia chrysanthemoides John Thomas Howell 1931-4-18 6426 Sonoma 8 miles N of Bay Comment
  CAS-BOT-BC321725  Layia gaillardioides David D. Keck; J. Clausen 1935-6-15 3379 Sonoma Russian River, 3 mi above mouth. Comment
  CAS-BOT-BC321738  Layia gaillardioides David D. Keck; J. Clausen 1935-6-15 3379 Sonoma Russian River, 3 mi above mouth. Comment
  UC584226  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 mi s Jenner Comment
  RSA0034026  Leersia Peter Rubtzoff 1987-9-27 9851 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  CAS-BOT-BC274361  Leersia oryzoides Peter Rubtzoff 1961-10-15 4759 Sonoma Vacation Beach, 2 mi. below Guerneville Comment
  CAS-BOT-BC274358  Leersia oryzoides John Thomas Howell 1946-8-17 22880 Sonoma The Laguna just east of Sebastopol Comment
  UCD126394  Legenere limosa Peter Rubtzoff 1969-5-24 6051 Sonoma 6.5 miles northeast of Penngrove, on Lichau Road. 426 Comment
  CAS-BOT-BC210094  Lemna Peter Rubtzoff 1965-10-10 5653 Sonoma Stony Point Marsh. Comment
  UCR255528  Lemna minor Peter Rubtzoff 1958-7-19 3781 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  UCR256957  Lemna minor Peter Rubtzoff 1954-8-13 1710 Sonoma Bodega Head Marsh 2 Comment
  CAS-BOT-BC527277  Lemna minuta Peter Rubtzoff 1951-8-4 574 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  UCR255072  Lemna perpusilla Peter Rubtzoff 1959-9-19 4291 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River 3 Comment
  UCR256525  Lemna valdiviana Peter Rubtzoff 1958-6-1 3686 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road 30 Comment
  SEINET12320777  Lepechinia calycina W. Knight, Knight, I. 1981-1 3987 Sonoma 5.6 mi up Cavedale Road from junction of Rt. 12 Comment
  CAS-BOT-BC89147  Lepidium didymum C. L. Hitchcock; J. S. Martin 1939-7-15 5445 Sonoma Cliffs below Bodega State Park. Comment
  RSA790009  Lepidium didymum Peter Rubtzoff 1960-5-15 4333 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC89740  Lepidium latifolium Walter Knight 1963-8-9 s.n. Sonoma Petaluma city limits sign on highway to Lakeville. Comment
  UCD115703  Lepidium latifolium Walter Knight 1963-8-9 s.n. Sonoma Petaluma city limits sign on highway to Lakeville. Comment
  CAS-BOT-BC12759  Lepidium oxycarpum John Thomas Howell 1933-4-1 10924 Sonoma Petaluma. Comment
  UC1034634  Lepidium strictum Milo S. Baker 1955-6-1 13044 Sonoma Humboldt St. near 5th Santa Rosa Comment
  UC10632  Lepidium virginicum Alice King Sep 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC273996  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1958-9-27 4006 Sonoma Laguna de Santa Rosa NE of Graton 1/2 mile N of Guerneville Road Comment
  CAS-BOT-BC273999  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-9-2 6354 Sonoma Russian River bottom at Mirabel Park Comment
  CAS-BOT-BC366884  Leptochloa fusca subsp. fascicularis Greg de Nevers 1997-9-22 11089 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  CAS-BOT-BC226542  Leptosiphon acicularis Annie F. Rodda 1929-5-6 s.n. Sonoma Fort Ross Comment
  CAS-BOT-BC226546  Leptosiphon acicularis John Thomas Howell 1933-4-2 10932 Sonoma Sonoma Creek Canyon Comment
  UCD15831  Leptosiphon bicolor J. D. DiTomaso 1998-5-18 s.n. Sonoma Sugarloaf Ridge State Park. 430 Comment
  CAS-BOT-BC226736  Leptosiphon latisectus Herbert L. Mason 1928-4-8 4289 Sonoma Coast, 2 miles north of Fort Ross Comment
  CAS-BOT-BC376245  Leptosiphon parviflorus Greg de Nevers 1992-4-28 10118 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  UC1785058  Leptosiphon parviflorus J. Ewan 1935-5-13 9258 Sonoma Wright School on Sebastopol road Comment
  UCR265096  Leptosiphon parviflorus Ann Howald, Christina Freeman 2015-4-13 3343 Sonoma Inner North Coast Ranges, Annadel State Park, Ledson Marsh, northwest corner, south of Marsh Trail 362 Comment
  JEPS87254  Lessingia arachnoidea Jack and Betty Guggolz 1992-8-29 1336 Sonoma about 1 3/4 mi nw of Camp Meeker 146 Comment
  JEPS88031  Lessingia arachnoidea S. Markos 1996-6-29 114 Sonoma 2 mi N of on Bohemian Hwy Camp Meeker Comment
  POM183313  Lessingia arachnoidea John T. Howell 1931-9-26 8090 Sonoma 2 miles from Monte Rio on road to camp Meeker Comment
  SEINET4437333 Image available Lessingia bicolor A. A. Heller 1902-1 6049 Sonoma Santa Rosa Comment
  CAS-BOT-BC324193  Lessingia hololeuca John Thomas Howell 1931-9-26 8090 Sonoma 2 miles from Monte Rio on road to Camp Meeker Comment
  CAS-BOT-BC341996  Lessingia ramulosa A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  JEPS20586  Lessingia ramulosa Edw. L. Greene 1888-9-1 Sonoma Petaluma Comment
  JEPS86818  Lessingia ramulosa Jack and Betty Guggolz 1991-8-10 1232 Sonoma growing on creek below reservoir about a mile nnw Camp Meeker; Grub Creek 82 Comment
  UC65346 Image available Lessingia ramulosa A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa; ; Santa Rosa, Sonoma Co. Comment
  CAS-BOT-BC341999  Lessingia ramulosa J. P. Tryner 1938-9-1 s.n. Sonoma Near Wagnon Ranch, 4 miles west of Sebastopol Comment
  UCR255035  Ligusticum apiifolium Greg de Nevers 1998-7-25 11302 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, just upstream of bridge at Mark West Lodge 137 Comment
  UC353914  Lilaea scilloides Milo S. Baker 1927-5-8 2131 a Sonoma near summit Bennett Valley Road Comment
  UC1051674  Lilium pardalinum Peter Kamb and Francia Chisaki 1950-6-16 1860 Sonoma nw of Sebastopol (Pitkin Marsh, 1 mi n of Sousa Corners); Pitkin Marsh Comment
  UCD116499  Limnanthes douglasii G. F. Hrusa; R. Gross, A. Buckmann 1996-3-29 12740 Sonoma Napa Valley bottom, immediately S of Tubbs Lane, approx. 2 m. NW of Calistoga. 110 Comment
  RSA51321  Limnanthes douglasii Peter H. Raven 1980-4-6 s.n. Sonoma Vernal flats, Cotati to Santa Rosa. 30 Comment
  UCD116498  Limnanthes douglasii Charles B. Heiser Jr. 1947-3-29 1893 Sonoma outskirts of Sonoma. Comment
  UC971870  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-3-14 1123 Sonoma 0.3 mi n El Verano School (open field w side of road) Comment
  RSA264714  Limnanthes douglasii subsp. douglasii Peter Rubtzoff 1971-5-8 6442 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mi west of Arnold Drive. Comment
  RSA79068  Limnanthes douglasii subsp. douglasii E. K. Balls, Lee W. Lenz 1952-5-8 17115 Sonoma 0.1 mi. from Kellogg, jct. of road from Mark West Springs with Hwy. 29. 61 Comment
  UC971845  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1949-4-11 1249 Sonoma w side of Hwy 37 2.4 mi n junction with Highway 48; Sears Point Comment
  JEPS86750  Limnanthes douglasii subsp. nivea Jack and Betty Guggolz 1990-4-21 1031 Sonoma intersection of Wilfred and Whistler (nw quadrant, a mi w of Hwy 101 and a little less than 3 mi nnw of center of Cotati) 27 Comment
  UCD116447  Limnanthes douglasii var. nivea Robert F. Thorne 1965-4-19 34274 a Sonoma wet field on Titus Ranch, Valley Ford. 18 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
  UC1368724  Limnanthes vinculans Peter Rubtzoff 1969-5-3 6026 Sonoma e Sebastopol; Laguna de Santa Rosa Comment
  CAS-BOT-BC249306  Limosella Peter Rubtzoff 1966-4-17 5675 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  RSA800897  Limosella acaulis Peter Rubtzoff 1970-9-16 6220 Sonoma 5 miles north of Sears Point. Comment
  JEPS82319  Linanthus acicularis L. R. Heckard with Michael Morris 1976-4-26 4234 Sonoma Gilman Creek Armstrong Redwoods State Park (along s side, near road running nw of Vista Point and Redwood Lake (ca 3/4 mi from these), n of Guerneville) 182 Comment
  UC566182  Linanthus androsaceus E. Armstrong 1934-3-26 936 Sonoma 4 mi n Camp Meeker; Sebastopol Quad. 60 Comment
  SEINET12329973  Linanthus androsaceus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -195 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  UC106672  Linanthus ciliatus Michener and Bioletti 1892-5-20 1542 a Sonoma Hood's Peak Comment
  CAS-BOT-BC290596  Linaria Peter Rubtzoff 1987-9-27 9856 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville. Comment
  SEINET7067248  Linum bienne A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  UCD110569  Linum bienne Mary M. Hektner 1974-5-27 006 Sonoma Unit 7 Owners' Map, south of Whaler's Reach, Sea Ranch, near State Highway 1. Comment
  JEPS117116  Linum trigynum Peter Warner 2010-6-16 167 Sonoma Jenner Headlands, Knoll Field, 203 m S 244 deg. W of residence house Comment
  CAS-BOT-BC36011  Lithocarpus densiflorus var. densiflorus Mary Rhyne; Mary P. Wells; John Madison 1985-11-4 701 Sonoma ca. 3/4 mile south of the Gualala River Comment
  CAS-BOT-BC437154  Lithophragma heterophyllum A. A. Heller; H. E. Brown 1902-4-4 5220 Sonoma Hills east of Santa Rosa Comment
  CAS-BOT-BC342133  Logfia filaginoides Greg de Nevers; Frank Almeda 1987-4-11 8140 Sonoma Pepperwood Rach Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  CAS-BOT-BC342498  Logfia gallica John Thomas Howell 1930-6-8 5236 Sonoma Bodega Road 3 miles east of Valley Ford Comment
  UC1093862  Logfia gallica Herbert L. Mason 1947-5-4 13210 Sonoma near Kenwood; Hood Mountain Comment
  UCD66009  Lolium multiflorum James Holleman 1959-5-12 Sonoma 1 mile west of Duncan Mills. Comment
  CAS-BOT-BC283293  Lolium multiflorum David L. Morgan 1961-5-17 s.n. Sonoma Watkins Ranch, 0.25 mile NW of Penngrove Comment
  UCD66467  Lolium perenne Beecher Crampton 1957-7-11 4306 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  POM133383  Lomatium californicum A. A. Heller, H. E. Brown 1902-3-28 s.n. Sonoma Hills at Santa Rosa Comment
  POM266014  Lomatium caruifolium Lincoln Constance, Reed Rollins 1942-5-10 2862 Sonoma Sonoma County: 4 miles N of Geyserville. 61 Comment
  SEINET8465377 Image available Lomatium dasycarpum Lincoln Constance 1953-4-4 Sonoma Mark West road, 1 mile southwest of Petrified Comment
  UC923162  Lomatium dasycarpum subsp. dasycarpum Freed W. Hoffman 1950-5-27 3284 Sonoma N. Coast Ranges, Fred McMurray Ranch Comment
  JEPS17532  Lomatium nudicaule W. L. Jepson 1912-4-17 4771 Sonoma Sonoma Valley Comment
  CAS-BOT-BC217812  Lomatium repostum Alice Eastwood; John Thomas Howell 1940-5-5 7862 Sonoma Rincon Ridge near Santa Rosa Comment
  UC1348909  Lomatium repostum Robert F. Thorne 1965-4-20 34326 Sonoma ca. 2 1/2 mi N of Santa Rosa (1 mi N of Sonoma Co. Hosp., Parker Hill Rd.) 106 Comment
  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
  UC1076677  Lomatium utriculatum C. Ritchie Bell 1952-3-19 1247 Sonoma top of Larksur Rock Bodega; , Larkspur Rock Comment
  UCD127806  Lomatium utriculatum Gerry North 1993-3 33 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At lower camping area. 50 meters east of foot bridge, across from dumpster. 365 Comment
  CAS-BOT-BC240650  Lonicera hispidula Alice Eastwood 1915-6-5 4565 Sonoma Petrified Forest Comment
  UCD160831  Lonicera interrupta James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3365 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  SEINET5784640 Image available Lonicera involucrata Marcus E. Jones 1882-1 2739 Sonoma Duncan's Mills Comment
  CAS-BOT-BC244005  Lonicera involucrata var. ledebourii F. H. Utech; Walter Knight; Irja Knight 1984-4-17 84 -148 Sonoma Bridgehaven (village), near junction of Willow Creek Road and CA Hwy 1 along Russian River 36 Comment
  CAS-BOT-BC241418  Lonicera japonica Peter Rubtzoff 1952-5-31 1130 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west Comment
  CAS-BOT-BC293682  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rohnert Park., creek bed west of Commrece Blvd. crossing. Comment
  CAS-BOT-BC540820  Lotus Peter Rubtzoff 1971-6-26 6575 Sonoma Willow Creek Marsh. Comment
  RSA0020335  Lotus Peter Rubtzoff 1974-6-2 7503 Sonoma Upper Green Valley Marsh. Comment
  RSA0020336  Lotus Peter Rubtzoff 1974-9-7 7887 Sonoma Hinebaugh Creek in Rohnert Park, creek bed west of Commerce Blvd. crossing. Comment
  UCD106698  Lotus angustissimus Frederica Bowcutt 1984-6-23 429 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. Immed. SW of park entrance, W of Hwy 1 and NW of Gerstle Cove along park road. 30 Comment
  UCD106699  Lotus angustissimus Beecher Crampton 1955-6-17 2967 Sonoma State Hwy 1, Fort Ross. Comment
  SEINET12165325  Lotus crassifolius Unknown 1985-1 RR 50572 Sonoma W side of Dry Creek Valley, N of Crane Ck, S of Bradford Mt, headwaters of Wine Crk 305 Comment
  UC1193201  Lotus crassifolius var. crassifolius R. H. Neuns 1950-5-8 109 Sonoma 9 mi w Cloverdale (Quad 60B3) 579 Comment
  UC80924  Lotus crassifolius var. crassifolius unknown July, 1885 Sonoma Kelseyville to Cloverdale Comment
  CDA27201  Lotus formosissimus T. C. Fuller 1958-5-24 3983 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  UC75639  Lotus formosissimus Miss Emma Lobenstein 1906-1-1 Sonoma Valley Ford Comment
  UC864836  Lotus micranthus Lewis S. Rose 1940-5-5 40265 Sonoma Sonoma Creek Canyon 304 Comment
  SEINET12154271  Lotus purshianus L. S. Rose 1938-1 38255 Sonoma Bloomfield 30 Comment
  JEPS55793  Lotus purshianus var. purshianus A. M. Ottley 1921-5-6 1353 Sonoma Sonoma Comment
  UC424767  Lotus stipularis var. stipularis Milo S. Baker 1929-6-1 3573 a Sonoma near Vine Hill School House 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
  UC1745892  Lotus wrangelianus Annetta M. Carter, Edward Lee 1936-6-21 1199 Sonoma 2.2 mi. inland from Bodega Bay on road to Bodega. Comment
  UC726330  Lotus wrangelianus A. A. Heller 1937-5-1 16175 Sonoma n of Bodega Bay 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-BC251206  Ludwigia palustris Peter Rubtzoff 1955-7-31 2008 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC251209  Ludwigia palustris Peter Rubtzoff 1972-6-27 6793 Sonoma Atascadero Creek Marsh. Comment
  UC423055  Ludwigia peploides subsp. peploides Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC198293  Lupinus Milo S. Baker 1935-5-1 8066 Sonoma Near south end of bridge on Russian River near Jenner. Comment
  CAS-BOT-BC201292  Lupinus Charles Piper Smith 1948-6-14 48386 Sonoma Glen Ellen - Triniti Road - Highway 12 junction, 1.5 miles east Comment
  CAS-BOT-BC201294  Lupinus Mrs. H. C. Cantelow 1941-6-7 s.n. Sonoma 4 miles north of Bay, on state highway 1 Comment
  UC157780  Lupinus albifrons H. P. Chandler 1907-4-21 7530 Sonoma road from Glen Ellen to Oakville; rd fr Glen Ellen to Oakville Comment
  CAS-BOT-BC195974  Lupinus albifrons var. albifrons Alice Eastwood 1893-4-27 s.n. Sonoma Hood Mt. Comment
  CAS-BOT-BC195983  Lupinus albifrons var. albifrons Alice Eastwood; John Thomas Howell 1938-5-15 5514 Sonoma Near Mark West Springs Comment
  SEINET10484536  Lupinus albifrons var. collinus Joseph W. Congdon 1880-5-30 Congdon s.n. Sonoma Petaluma, CA. Comment
  POM11031  Lupinus albifrons var. eminens A. A. Heller, H. E. Brown, A. H. Heller 1902-3-27 7175 Sonoma Western base of Mt. Hood. Comment
  UCD106595  Lupinus arboreus Chris Bowen 1976-5-18 120 Sonoma Unit 7 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD106617  Lupinus arboreus Eric Davidson 1971-6-29 335 Sonoma next to ocean's edge; Salt Point State Park, north of Fort Ross. Comment
  SEINET10829743  Lupinus arboreus Jon Ricketson, Deanna Vanderbur 1985-7-3 Ricketson 2615 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
  POM299302  Lupinus arboreus var. eximius H. C. Cantelow 1941-6-7 s.n. Sonoma 4 miles north of Bay, State Highway 1. Comment
  UCR248750  Lupinus bicolor Peter Rubtzoff 1969-5-11 6045 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  HSC14957  Lupinus bicolor S. N. Wiemeyer 1962-4-13 12 Sonoma 2.1 mi. N of Jct. of Calistoga Rd. and Hwy. 12 274 Comment
  UC126965  Lupinus bicolor F. T. Bioletti 1892-1 Sonoma Comment
  SEINET12165969  Lupinus formosus W. Knight, Knight, I. 1988-1 6326 Sonoma Adobe Rd, nr teh Old Adobe Comment
  UCSB21293  Lupinus latifolius McCarthy, Sharon 1965-4-12 Sonoma 1.4 miles on Stage Gulch Road, southwest of junction with Watmaugh Road, off State Highway 12, south of Sonoma Comment
  NY15940  Lupinus lutosus A. A. Heller 1940-4-22 15546 Sonoma Alexander Valley. Lower Sonoran Life Zone. Comment
  SEINET12165195  Lupinus micranthus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -189 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 630 Comment
  CAS-BOT-BC8457  Lupinus microcarpus var. microcarpus Marcus Eugene Jones 1882-7-17 3329 Sonoma Duncan's Mills Comment
  UC725327  Lupinus microcarpus var. microcarpus A. A. Heller 1940-5-17 15637 Sonoma on State Highway #1, 2 mi w Valley Ford; w of Valley Ford Comment
  UC201065  Lupinus nanus Katharine Brandegee July 1905 Sonoma Bodega Comment
  UCD150845  Lupinus nanus Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  UCD151181  Lupinus nanus James A. Neilson Jr. 1974-4-16 3114 Sonoma Mayacmas Mountains. Sulphur bank number 13. (Elevation estimated using Google Earth by label maker.) 487 Comment
  SEINET5558926  Lupinus nanus H. S. Gentry 1962-1 19702 Sonoma Oakville. Comment
  UCD108932  Lupinus nanus Frederica Bowcutt 1996-3-24 2083 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air mile SSE of Red Mountain. Near large rock outcrop/Vista Rock along Vista Trail. 563 Comment
  UCD109252  Lupinus nanus R. Tofsrud 1948-5-1 s.n. Sonoma Cloverdale. Comment
  SEINET10837773  Lupinus nanus subsp. nanus P. Rubtzoff 1974-5-18 Rubtzoff 7411 Sonoma Todd road 1.4 mi from hwy 116 and .6 mi from llano rd. Vernally wet, now Drying meadow. Comment
  SEINET10936836  Lupinus polycarpus Thomas W. Nelson, Jane P. Nelson 1980-5-3 Nelson 5127 Sonoma Santa rosa quad. Along roberts rd ca 100 m past bridge over copeland creek, e Of rhonert park. Vernally wet area beside road. T.6n, r.7w, sec.28. 61 Comment
  UC84431  Lupinus sericatus Katharine Brandegee April 1890 Sonoma Mt. St. Helena Comment
  SEINET11162204  Lupinus tidestromii W. S. Cooper Sonoma Comment
  UC683337  Lupinus variicolor Mrs. H. P. Bracelin 1931-5-9 341 Sonoma beyond Dundee R.R. station and Molino nursery about one mi w Sebastopol Comment
  UCD109665  Lupinus variicolor Eric Davidson 1971-6-29 335 b Sonoma Salt Point State Park, north of Fort Ross. Comment
  SEINET13198378 Image available Lupinus versicolor A. G. Vestal 1947-5-13 s.n. Sonoma Comment
  CAS-BOT-BC436741  Luzula comosa var. comosa John Thomas Howell 1937-6-6 13033 Sonoma Pitkin Marsh Comment
  UCD161823  Luzula comosa var. comosa James A. Neilson Jr. 1975-5-23 3217 Sonoma Truit Creek at Big Sulphur Creek. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC441294  Luzula macrantha D. E. Breedlove 1983-4-11 58685 Sonoma Pepperwood Ranch, W of Knights Valley Comment
  CDA19068  Lythrum salicaria L. Correia 2001-7-16 PDR P 117378 Sonoma North Coast Ranges; N bank Russian River at Rio Nido and to east ~ 0.5 mi 0 Comment
  CAS-BOT-BC227610  Madia Peter Rubtzoff 1974-5-18 7415 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD160118  Madia anomala James A. Neilson Jr. 1973-6-3 3163 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
  UC525423  Madia elegans Edw. L. Greene 1888-8-30 Sonoma Mt. St. Helena Comment
  SDSU4727  Madia elegans subsp. densifolia D. F. Howe 1961-7-29 3086 Sonoma 2 miles east of a point 4 miles north of Santa Rosa on #101, on road to Calistoga. 122 Comment
  CAS-BOT-BC344551  Madia exigua Roxana S. Ferris; Laura Lorraine 1961-6-15 13564 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road Comment
  CAS-BOT-BC343465  Madia gracilis G. DeNevers 1981-5-15 1217 Sonoma Pepperwood Ranch. Near base of Hansel's driveway Comment
  SEINET11810612  Madia gracilis Unknown 1936-1 13111 Sonoma near Healdsburg Comment
  CAS-BOT-BC345210  Madia sativa Rimo Bacigalupi 1928-6-18 1901 Sonoma Beach at mouth of Salmon Creek 2 miles north of Bodega Bay Comment
  CAS-BOT-BC345225  Madia sativa David D. Keck; J. Clausen 1935-6-15 3365 a Sonoma 1 mi. N. of Salmon Creek Comment
  RSA790979  Madia sativa Peter Rubtzoff 1967-9-2 5876 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC345201  Madia sativa Minnette Matthaie 1965-7-1 s.n. Sonoma Near Sonoma on road to Napa Comment
  RSA790980  Madia sativa Peter Rubtzoff 1955-9-25 2161 Sonoma Forestville Marsh area. Comment
  CAS-BOT-BC368076  Maianthemum stellatum Greg de Nevers 1998-4-27 11202 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  CAS-BOT-BC511488  Maianthemum stellatum F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  HSC7018  Marah fabacea F. Demostene 1966-4-1 3 Sonoma 2 mi. E of Healdsburg Comment
  UC28946  Marah oregana F. T. Bioletti 1894-1 Sonoma near Hood's Peak Comment
  CAS-BOT-BC348216  Matricaria discoidea Peter Rubtzoff 1966-5-26 s.n. Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC348219  Matricaria discoidea Peter Rubtzoff 1972-5-25 6773 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC348223  Matricaria discoidea Volney Rattan 1867-4-1 s.n. Sonoma Black Point Comment
  HSC6011  Matricaria discoidea S. N. Wiemeyer 1962-4-20 26 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  CAS-BOT-BC262978  Medicago Peter Rubtzoff 1968-8-31 5952 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD166339  Medicago Peter Rubtzoff 1968-8-31 5945 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC269509  Melica californica David L. Morgan 1956-4-27 s.n. Sonoma 3 mi. W. of Petaluma on I St. Ext. Comment
  UCD87217  Melica californica R. Tofsrud 1947-6-17 195 Sonoma Old Santa Rosa cemetery. Comment
  CAS-BOT-BC281273  Melica geyeri Peter Rubtzoff 1952-6-10 1202 Sonoma NE slopes of Fitch Mountain, near Healdsburg Comment
  CAS-BOT-BC281278  Melica geyeri G. DeNevers 1981-5-9 1108 Sonoma Pepperwood Ranch. S of Redwood Canyon Comment
  CAS-BOT-BC281284  Melica geyeri John Thomas Howell; et al. 1981-5-14 53988 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC281286  Melica geyeri J. W. Congdon 1892-3-29 s.n. Sonoma Cazadero Comment
  UCD87312  Melica geyeri Virginia Bufford 1936-5-21 368 Sonoma Near Skaggs Springs. Comment
  HSC10346  Melica geyeri Leo Koch 1940-4-24 843 Sonoma 1 mi. N of two and one half mile junction from Kenwood and Glen Ellen in Bennett Valley. Comment
  SACT001511  Melica geyeri M. Wiesendanger 1927-5-5 Sonoma Comment
  UCD87520  Melica harfordii P. B. Kennedy 1915-5-31 s.n. Sonoma Stewarts Point--Annapolis Road. Comment
  CAS-BOT-BC262555  Melica torreyana G. DeNevers 1981-4-27 883 Sonoma Pepperwood Ranch. On the ridge NW of the Garrison House Comment
  RSA74447  Melica torreyana Milo S. Baker 1947-5-30 11777 Sonoma It is located 2 miles NE of Occidental along Harrison Grade. Comment
  UC1146593  Melica torreyana Freed W. Hoffman 1947-5-30 1701 Sonoma Austin Creek Layton Mine; North Coast Ranges, Austin Creek Comment
  UCD88825  Melica torreyana Virginia Bufford 1936-5-1 184 Sonoma Near Monte Rio. Comment
  UCD88826  Melica torreyana Virginia Bufford 1936-5-19 295 Sonoma Moss Cottage -- Los Guillicos Valley. Comment
  UCR279644  Melilotus albus Peter Rubtzoff 1953-11-1 1432 Sonoma Vacation Beach, near Guerneville, along Russian River 3 Comment
  CAS-BOT-BC164067  Mentha Peter Rubtzoff 1960-10-29 4584 Sonoma Laguna de Santa Rosa, east of Graton (btwn. Occidental and Guerneville Road). Comment
  UCR244603  Mentha Peter Rubtzoff 1960-10-29 4584 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Road 23 Comment
  UCR244668  Mentha Peter Rubtzoff 1960-9-14 4553 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road) 30 Comment
  UCR244669  Mentha Peter Rubtzoff 1960-9-17 4567 Sonoma Laguna de Santa Rosa near Trenton [Rd.] (south of Woolsey Road) Comment
  CAS-BOT-BC173614  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi. east of Healdsburg. Russian River. Comment
  RSA785673  Mentha Peter Rubtzoff 1960-9-17 4559 Sonoma Laguna de Santa Rosa, E of Graton (between Occidental and Guerneville Road). Comment
  UC1239694  Mentha pulegium Joseph P. Tracy 1947-10-6 17937 Sonoma along Mayacama Creek (w of Knights Valley); along Mayacama Creek, w of Knights Valley 152 Comment
  UC726378  Mentha pulegium A. A. Heller 1923-7-12 13806 Sonoma Windsor Comment
  UC883402  Mentha pulegium Lewis S. Rose 1938-9-11 38253 Sonoma Bloomfield 30 Comment
  CAS-BOT-BC164084  Mentha pulegium Peter Rubtzoff 1955-10-12 2165 Sonoma Duncans Mills Marsh, lower portion of marsh. Comment
  RSA33085  Mentha pulegium A. A. Heller 1923-7-12 s.n. Sonoma Windsor Comment
  UCD148454  Mentha pulegium Peter Rubtzoff 1962-8-22 5034 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC164705  Mentha spicata Peter Rubtzoff 1960-9-14 4557 Sonoma Laguna de Santa Rosa area northeast of Graton (near Laguna Road). Open, moist ground. Comment
  UCR244651  Mentha spicata Peter Rubtzoff 1975-8-28 8360 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC428950  Micranthes californica Peter H. Raven 1954-2-27 6426 Sonoma Hooker Creek, Hoods Peak Range 228 Comment
  CAS-BOT-BC322598  Micropus amphibolus John Thomas Howell 1965-3-25 41033 Sonoma 3 miles southeast of Sonoma 76 Comment
  RSA54045  Micropus amphibolus J. T. Howell 1948-4-18 24203 Sonoma Hills east of Agua Caliente. Comment
  POM203301  Microseris bigelovii J. T. Howell 1931-4-18 6417 Sonoma Mouth of Salmon Creek, 2 miles n. of Bay. Comment
  JEPS13229  Microseris laciniata subsp. laciniata F. T. Bioletti 1893-6-10 Sonoma near Kenwood; Los Guilicos Valley Comment
  UC50058  Microseris laciniata subsp. laciniata F. T. Bioletti 1893-6-10 Sonoma Los Guilicos Comment
  CAS-BOT-BC311864  Mimulus Peter Rubtzoff 1953-5-16 1357 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC320496  Mimulus Peter Rubtzoff 1955-8-20 2064 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC311875  Mimulus Peter Rubtzoff 1954-7-29 1606 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC320514  Mimulus Peter Rubtzoff 1957-5-11 3336 Sonoma Occidental Marsh. Comment
  RSA0025392  Mimulus Peter Rubtzoff 1972-5-25 6764 Sonoma Laguna, Chileno Valley. Comment
  UC444800  Mimulus cardinalis V. King Chesnut 1887-8-1 Sonoma Santa Rosa Comment
  UC1041002  Mimulus grandis J. W. Congdon 1880-3 Sonoma Petaluma Comment
  RSA178001  Mimulus guttatus Robert F. Thorne 1965-4-19 34286 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UC1012302  Mimulus guttatus F. W. Pennell and H. L. Mason 1940-5-21 25483 Sonoma Kellogg Route 28 182 Comment
  UC70353  Mimulus guttatus Milo S. Baker May 1899 Sonoma Stewarts Canyon Comment
  UCR248872  Mimulus guttatus Peter Rubtzoff 1954-9-4 1729 Sonoma Bodega Head Marsh 2 Comment
  RSA0022511  Mimulus guttatus Peter Rubtzoff 1958-7-5 3748 Sonoma Atascadero Creek Marsh. Comment
  UC454796  Mimulus inodorus I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  UC768827  Mimulus microphyllus R. F. Hoover 1939-4-18 4036 Sonoma Occidental Comment
  UC1063065  Mimulus tricolor E. Armstrong 1934-4-15 1210 Sonoma near Occidental; Sebastapol Quadrangle 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
  UC679520  Mitella caulescens Milo S. Baker 1942-5-23 10199 Sonoma Brookside Garden 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
  UC2035939  Monardella purpurea Robert F. Hoover 1938-6-14 3609 Sonoma 3 miles west of Graton on road to Occidental Comment
  CAS-BOT-BC314202  Monardella villosa L. R. Abrams 1916-7-4 5790 Sonoma Road between Petrified Forest and Mark West. Comment
  JEPS128225  Monardella villosa Roger Raiche 2000-7-15 138 .00 Sonoma The Cedars. Campbell Ranch. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC314209  Monardella villosa A. A. Heller 1902-6-28 5791 Sonoma Between Knight's Valley and Mark West Springs. Comment
  RSA0022766  Monardella villosa subsp. neglecta Milo S. Baker 1946-7-4 11524 Sonoma Harrison Grade ca. 2 mi. NE of Occidental. Comment
  CAS-BOT-BC314156  Monardella villosa subsp. subserrata Peter Rubtzoff 1952-6-3 1138 Sonoma Fitch Mtn Grove, near Healdsburg. Comment
  CAS-BOT-BC314206  Monardella villosa subsp. subserrata Catherine Best 1981-6-5 s.n. Sonoma Skaggs Springs Rd., 18 miles E of Stewart's Point. Comment
  CAS-BOT-BC318599  Monardella villosa subsp. subserrata Tom Craig 1941-6-18 s.n. Sonoma Trinity Road, west slope, between Glen Ellen and Rutherford. Comment
  CAS-BOT-BC314159  Monardella villosa subsp. subserrata Lewis S. Rose 1965-7-3 65081 Sonoma 2 mi. N of Sonoma. 274 Comment
  JEPS87250  Monardella villosa subsp. villosa Jack and Betty Guggolz 1991-6-10 1182 Sonoma About 1/4 mile SE of the quarry on the west side of Buzzard Peak, about 3.0 miles east of Northern Santa Rosa. 304 Comment
  SEINET12320782  Monardella viridis W. Knight, Knight, I. 1981-1 3958 Sonoma 2.3mi up Cavedale Road from State Hwy #12 Comment
  SEINET12324056  Monardella viridis W. Knight, Knight, I. 1982-1 4600 Sonoma 2 mi up Pythian Road from Los Guilicos School for Girls near Kenwood, on Hoods Peak 305 Comment
  CAS-BOT-BC444984  Montia fontana H. L. Mason 1926-3-20 2752 Sonoma Along railroad right-of-way, south of Calistoga Comment
  CAS-BOT-BC445000  Montia fontana Peter Rubtzoff 1952-3-23 900 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  SEINET10674983 Image available Montia fontana A. Arthur Heller, H. E. Brown 1902-4-16 Heller 5313 Sonoma Fields east of Santa Rosa. 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
  RSA113964  Myosotis discolor Peter Kamb, Francia Chisaki 1950-6-16 1867 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners. Comment
  CAS-BOT-BC257697  Myosurus Peter Rubtzoff 1970-5-30 6245 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC257705  Myosurus Peter Rubtzoff 1966-4-17 5681 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC83247  Myosurus minimus J. W. Congdon 1880-4-22 s.n. Sonoma Petaluma. Comment
  CAS-BOT-BC101794  Myrica californica Peter Rubtzoff 1951-9-2 727 Sonoma Lower part of the Upper Marsh Comment
  RSA26145  Myrica californica E. K. Balls, P. C. Everett 1953-10-9 18604 Sonoma 0.2 mi. NW of Ocean cove, Hwy 1 between Fort Ross and Point Arena; 5 mi. NW of Fort Ross. 91 Comment
  RSA461913  Myrica californica Christopher Davidson 1977-6-17 5887 Sonoma Coast Highway 1, ca. three miles north of Jenner. Comment
  RSA800084  Myriophyllum brasiliense Peter Rubtzoff 1961-10-18 4770 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC258925  Myriophyllum hippuroides Peter Rubtzoff 1955-7-16 1966 Sonoma Bennett Mountain Lake. Comment
  RSA800337  Myriophyllum hippuroides Peter Rubtzoff 1966-8-26 5713 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC260070  Nassella lepida Peter Rubtzoff 1952-6-3 1149 Sonoma S slopes of Fitch Mountain, near Healdsburg Comment
  CAS-BOT-BC361285  Nassella lepida Greg de Nevers 1997-4-24 10964 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD144430  Nassella lepida Frederica Bowcutt 1996-5-19 2127 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 N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon firebreak (narrow) btw. lower Bald Mtn. and Bald Mt. Trail. 487 Comment
  CAS-BOT-BC260287  Nassella pulchra A. A. Heller 1902-4-23 5350 Sonoma Near Sonoma Comment
  SBBG26388  Nassella pulchra B. Crampton 1966-5-10 Sonoma 3 mi S of Healdsburg Comment
  CAS-BOT-BC344990  Nasturtium officinale Peter Rubtzoff 1954-6-6 1458 Sonoma Guerneville Marsh Comment
  UCD116053  Nasturtium officinale Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1786 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Campground S of Sonoma Creek approx. 125 yds. 1/4 mile NW of confluence with Rattlesnake Creek. 350 Comment
  POM65215  Navarretia cotulifolia A. A. Heller 1902-6-4 s.n. Sonoma Santa Rosa. Comment
  UC1719855  Navarretia cotulifolia David Fruchter 1978-9-16 92 Sonoma Todd Road Comment
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Jul 24 2011
  RSA73731  Navarretia cotulifolia F. W. Peirson 1925-8-8 6339 Sonoma 6 miles south of Santa Rosa Comment
  UC106834  Navarretia heterodoxa Michener and Bioletti Jul 1891 1554 a Sonoma Hoods Peak Comment
  CAS-BOT-BC230371  Navarretia leucocephala subsp. bakeri Peter Rubtzoff; Nancy Harrison 1974-5-26 7466 Sonoma On Bennett Valley Road, 4.25 miles W of Glen Ellen Comment
  UC907821  Navarretia leucocephala subsp. bakeri Herbert L. Mason 1934-4-28 8094 Sonoma highway between Healdsburg and Santa Rosa Comment
  UC73615  Navarretia pubescens Milo S. Baker 1898-5-7 Sonoma Glen Ellen Comment
  UC750803  Navarretia squarrosa Charles B. Heiser Jr. 1946-8-17 1826 Sonoma near Duncan Mills (banks of Russian River); Russian River 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
  JEPS70518  Navarretia viscidula F. T. Bioletti 1892-5-31 Sonoma Shellville Comment
  UC1042316  Navarretia viscidula John Thomas Howell 1947-6-26 23318 Sonoma Cunningham Marsh Comment
  UC52677  Navarretia viscidula W. A. Setchell 1897-6-16 Sonoma Cazadero Comment
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Dec 31 2015
  POM118672  Nemophila heterophylla Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UC107230  Nemophila heterophylla Mrs. Swett Apr. 1901 Sonoma Windsor Comment
  UC67243  Nemophila heterophylla M. Baker May 1899 Sonoma near Laguna; near the Laguna Comment
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Feb 16 2007
  UC24253  Nemophila menziesii var. atomaria Michener and Bioletti Mar 1891 Sonoma Sonoma Comment
  UC75665  Nemophila menziesii var. atomaria Miss Emma Lobenstein 1906-1 Sonoma Valley Ford Comment
  UCR265132  Nemophila menziesii var. menziesii Ann Howald 2015-4-1 3332 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  CAS-BOT-BC231513  Nicotiana D. E. Krause 1894-5-1 s.n. Sonoma Unspecified Comment
  UCD148416  Nicotiana quadrivalvis Peter Rubtzoff 1959-9-19 4284 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  RSA0060128  Nicotiana quadrivalvis Barbara Ertter 1988-11-5 8030 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  SD109448  Notholithocarpus densiflorus Jack Reveal 7/1981 2746 Sonoma near Annapolis 305 Comment
  JEPS128195  Notholithocarpus densiflorus var. densiflorus Roger Raiche 1999-12-4 052 .99 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SD88473  Nuphar polysepala Darley F. Howe 1972-6-27 4840 Sonoma Duncan Mills Pond Comment
  CAS-BOT-BC400125  Nuphar polysepala Peter Rubtzoff 1964-8-20 5468 Sonoma 1 mi. southeast of Jenner (nr. crossing of Hwys. 1 & 12) Comment
  UCR255727  Oemleria cerasiformis Greg de Nevers 1998-3-4 11138 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1191940  Oenanthe sarmentosa Malcolm A. Nobs and S. Galen Smith 1949-8-1 1108 Sonoma 2 mi. e. of Stewart's Point on rd. to Geyserville Comment
  UCD127753  Oenanthe sarmentosa Terri Williamson 1990-5-20 47 Sonoma Bayflat Rd., Bodega Bay. 3 Comment
  CDA38495  Oenanthe sarmentosa T. C. Fuller 1958-1-29 104 -58 Sonoma Triangle G Ranch, Sonoma Mtn., Petaluma. 0 Comment
  CAS-BOT-BC368012  Orobanche californica subsp. jepsonii Greg de Nevers 1989-12-16 9123 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Top of High Hill. 400 Comment
  SD114105  Orobanche fasciculata Darley F. Howe 1963-7-2 3580 Sonoma 4.2 miles north of junction with #12 on #1. Comment
  CAS-BOT-BC243696  Orobanche valida subsp. howellii Donald V. Hemphill 1963-9-21 s.n. Sonoma Head of Yellow Jacket Creek, Mt. St. Helena 1310 Comment
  CAS-BOT-BC238409  Orthocarpus Charles Piper Smith 1948-6-4 48340 a Sonoma Local road - Sebastopol, 1.5 miles west Comment
  POM15641  Orthocarpus densiflorus A. A. Heller, H. E. Brown 1902-4-9 5236 Sonoma Three Miles South of Healdsburg. Comment
  SEINET7690378 Image available Oxalis montana Aldridge 1896-1 s.n. Sonoma Santa Rosa Comment
  UCR3592  Oxalis oregana Carolyn McNeill 1969-5-25 s.n. Sonoma Sebastopol, 0.75 mi. east of Coffee Lane 107 Comment
  SEINET10494956  Oxalis oregana R. D. Sage 1992-1-10 Sage 13412 -2 Sonoma Collected along joy rd between bodega hwy and bittner rd, ca 2-6 km sw occidental. Comment
  JEPS117127  Oxalis pes-caprae Peter Warner 2010-3-29 123 Sonoma 1670 Bloomfield Road, approx. 3 km S of center Sebastopol, throughout property. Comment
  UC963919  Packera Milo S. Baker 1934-4-28 7605 Sonoma w Dry Creek Valley (ne corner of ranch); Jensen Ranch Comment
  UC964740  Packera Herbert Mason 1934-4-28 8060 Sonoma Dohrman Creek Jensen's Ranch (head) Comment
  UC1023571  Panicum acuminatum var. acuminatum Milo S. Baker Apr 1936 252 Sonoma Sonoma Co. Geysers Comment
  UC1146583  Panicum acuminatum var. acuminatum Freed W. Hoffman 1943-6-13 2040 Sonoma around hot springs, The Geysers (The Geysers); North Coast Ranges, The Geysers Comment
  JEPS121155  Panicum acuminatum var. fasciculatum Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18598 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  UCD33493  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 a Sonoma The Geysers, 12 miles (direct line) east of Colverdale. 493 Comment
  UCD89131  Panicum acuminatum var. thermale Beecher Crampton 1969-7-14 8493 Sonoma The Geysers. Comment
  UCD89134  Panicum acuminatum var. thermale A. R. Kruckeberg 1949-6-4 S 21 Sonoma Sulphur Creek.Big Geysers. Comment
  CAS-BOT-BC253795  Panicum hillmanii Walter & Irja Knight; J. T. Howell 1986-10-9 5854 Sonoma Town of Penngrove at edge of driveway at fire department entrance 12 Comment
  CAS-BOT-BC7044  Panicum thermale Henry Nicholas Bolander 1860-1-1 3941 Sonoma Geysers Comment
  UCD88623  Parapholis incurva Beecher Crampton 1957-7-11 4342 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  UCD166082  Parentucellia viscosa Peter Rubtzoff 1971-6-10 6538 Sonoma Pitkin Marsh, near Forestville, along western border of the upper part of the marsh. Comment
  CAS-BOT-BC265688  Paspalum distichum Peter Rubtzoff 1954-7-5 1536 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC202870  Paxistima myrsinites W. Knight; I. Knight; Dr. Steve Edwards 1986-6-8 5452 Sonoma Cherry Creek Road, W of Cloverdale Comment
  SD88564  Pedicularis densiflora Darley F. Howe 1972-2-20 Sonoma Trinity Road, Mt. Hood Range Comment
  UC62502  Pellaea andromedifolia J. Burtt Davy 1894-12-9 863 Sonoma Kenwood Comment
  HSC1057  Pellaea andromedifolia A. Sylvester, D. Sutherland, R. Spellenberg 1966-3-26 1346 Sonoma 12 mi. W of Big Geysers along Sulfur Cr. Comment
  SEINET10732556  Peniocereus greggii var. transmontanus George Thurber 1851-1 Sonoma Comment
  UC1238912  Penstemon heterophyllus var. heterophyllus Freed W. Hoffman 1947-8-4 1419 Sonoma Mt. St. Helena North Coast Ranges 609 Comment
  NY601712  Penstemon heterophyllus var. heterophyllus A. A. Heller 1902-6-28 5790 Sonoma Between Knight's Valley and Mark West Springs Comment
  NY811992  Penstemon heterophyllus var. heterophyllus J. L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 miles south of Trinity Road and about 5 miles northeast of California Highway 12, about 13 airline miles southeast of Santa Rosa 640 Comment
  UCD124236  Penstemon heterophyllus var. heterophyllus Frederica Bowcutt; Joy Keeney, Adam Green 1994-5-21 1809 Sonoma About 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 1.5 air miles north of Kenwood and 18 air miles northwest of Napa. Along Meadow trail appx. 3/4 mi from trailhead. 396 Comment
  UC27595  Penstemon heterophyllus var. purdyi State Survey 1890-1 6540 Sonoma Russian River bed at Cloverdale; Russian River bed at Cloverdale Comment
  NY130516  Penstemon sonomensis Miss Atterbury 1891-1 s.n. Sonoma Hoods Peak Comment
  UCD160845  Pentagramma triangularis James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3359 Sonoma West of Truit Creek, ca. 2 1/2 miles west of The Geysers Resort. (Location, coordinates, and elevation estimated by label maker.) 426 Comment
  SEINET12332457  Pentagramma triangularis F. H. Utech 1988-1 88 -226 Sonoma 3 mi S of Ft. Ross Historic Site and junction with Ft. Ross Road on CA 1 (Coastal Hwy) Mile 29.90 100 Comment
  CAS-BOT-BC71727  Pentagramma triangularis subsp. triangularis Walter Knight; Irja Knight 1963-12-27 457 Sonoma Pine Flat Rd. Comment
  UC399579  Pentagramma triangularis subsp. triangularis Mrs. Carlotta C. Hall June 1909 12 Sonoma w of Guerneville (Graystone Trail, w side of canyon) Comment
  UC1312895  Perideridia oregana Lincoln Constance, Tsan-Iang Chuan, and Charles F. Quibell 1967-7-9 3790 Sonoma 1.5 mi nw The Geysers (above creek); Big Sulphur Creek 441 Comment
  CAS-BOT-BC368035  Persicaria amphibia Greg de Nevers 1998-6-28 11296 Sonoma Lautenberg Ranch, Spencer Lane, Knights Valley. Comment
  CAS-BOT-BC413667  Persicaria amphibia Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5845 Sonoma Llano Road near sewage disposal plant at Laguna de Santa Rosa Comment
  CAS-BOT-BC418903  Persicaria hydropiperoides Peter Rubtzoff 1954-8-10 1675 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC418908  Persicaria hydropiperoides Peter Rubtzoff 1958-7-19 3777 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC419113  Persicaria lapathifolia Peter Rubtzoff 1963-8-24 5244 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC419286  Persicaria orientalis Peter Rubtzoff 1958-7-20 3786 Sonoma Laguna de Santa Rosa northeast of Graton (nr. Guerneville Road) Comment
  UC335744  Petasites frigidus var. palmatus unknown April 1888 Sonoma redwoods near Healdsburg Comment
  SBBG16283  Phacelia bolanderi H. and M. Dearing 1939-5-15 3391 Sonoma Gualala River near Stewarts Pt Comment
  UC672383  Phacelia californica Herbert L. Mason 1928-7-10 4887 Sonoma Jenner Russian River (mouth of river) Comment
  UCD120297  Phacelia californica P. G. Connors 1991-7-3 194 Sonoma Bodega Marine Laboratory, Bodega Head and Dunes. Comment
  UCD120302  Phacelia californica K. Esau 1932-5-2 s.n. Sonoma Bodega Bay. Comment
  UC1348887  Phacelia distans Robert F. Thorne 1965-4-20 34358 Sonoma s-facing bank on Cavedale Rd 1/2 mi up State Hwy 12 (ca 4 mi n of Sonoma) 243 Comment
Read comments
Jun 29 2008
  SBBG32318  Phacelia distans L. S. Rose 1964-4-4 65021 Sonoma 1 mi N of Sonoma 60 Comment
  SD130514  Phacelia distans F. Almeda, G. DeNevers 1981-4-28 4902 Sonoma 0.5 mile from main gate to Pepperwood Rancdh Natural Preserve, just off Franz Valley Road. Comment
  UC923116  Phacelia egena Freed W. Hoffman 1950-5-24 3322 Sonoma East Austin Creek North Coast Ranges, Rocky Mountain Comment
  UC909958  Phacelia imbricata Alice Eastwood 1915-6-5 4569 Sonoma Petrified Forest Comment
  UCR248887  Phalaris aquatica Peter Rubtzoff 1970-7-12 6283 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC258951  Phalaris aquatica David L. Morgan 1958-8-9 s.n. Sonoma 2 mi. N. of Occidental on Bohemian Highway Comment
  CAS-BOT-BC265841  Phalaris arundinacea Peter Rubtzoff 1962-6-21 4943 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road, Sonoma County Marshes Comment
  RSA129151  Phalaris californica H. S. Yates 1936-5-16 5621 Sonoma Near Green Valley school. 91 Comment
  CAS-BOT-BC265913  Phalaris lemmonii David L. Morgan 1956-5-17 s.n. Sonoma Watmaugh Road 1/2 mile west of junction of Arnold Drive Comment
  UCD88878  Phalaris lemmonii A. A. Beetle 1946-5-7 4261 Sonoma Santa Rosa. Franklin Ave. Comment
  CAS-BOT-BC76528  Philadelphus lewisii John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54686 Sonoma Bouverie Audobon Perserve, about 1.5 miles east of Glen Ellen near Stuart Creek. 137 Comment
  UCD168036  Phoradendron leucarpum subsp. tomentosum James A. Neilson Jr. 1981-3-13 3988 Sonoma Mayacmas Mountains, Caldwell Ranch, 1 mi. west Caldwell Pines. Squaw Creek drainage. Hills 1/4 mi. west old Caldwell Ranch. (Exact location unknown, coordinates estimated by label maker.) Comment
  CDA22385  Phoradendron macrophyllum C. W. Nichols, W. O. McCartney 1966-1-17 Sonoma W. P. Tischer property, 1270 Gravenstein Highway North, ca. 1 mile north of Sebastopol. 0 Comment
  CAS-BOT-BC171217  Phoradendron serotinum subsp. tomentosum G. De Nevers 1981-7-1 1725 A Sonoma Pepperwood Ranch. Along the Road to the Studio on Horse Hill Comment
  UCD160920  Phragmites australis James A. Neilson Jr. 1975-7-8 3383 Sonoma Mayacmas Mountains. Three hundred yards north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 731 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
  UC1977006  Phyllospadix scouleri Ann Freeman 1963-8-6 1642 Sonoma Bodega Head. North side, Horseshoe Cove with flowers. Comment
  CAS-BOT-BC140613  Physocarpus capitatus A. A. Heller 1902-6-4 5647 Sonoma Santa Rosa Comment
  CAS-BOT-BC140618  Physocarpus capitatus G. DeNevers 1981-5-2 910 Sonoma Mark West Creek and Leslie Creek, Pepperwood Ranch Comment
  CAS-BOT-BC140622  Physocarpus capitatus Peter Rubtzoff 1953-5-16 1355 Sonoma Vacation Beach, near Guerneville. Bank of Russian River 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-BC140629  Physocarpus capitatus D. E. Breedlove 1980-6-27 44773 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC140630  Physocarpus capitatus Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Comment
  UCD161670  Pickeringia montana James A. Neilson Jr. 1975-1-24 3133 Sonoma Mayacmas Mountains; Dominichelli Ranch # 1. (Exact location unknown. Elevation and coordinates estimated by label maker.) 731 Comment
  POM20257  Pickeringia montana var. montana A. A. Heller 1902-6-23 5740 Sonoma Petrified Forest Comment
  UC1134141  Pinus attenuata J. B. Spring 1932-7-3 95 Sonoma 2/5 mi sw Veeder Mountain; Napa Quadrangle 609 Comment
  UC72232  Piperia transversa Milo S. Baker 1904-6-20 Sonoma near Maple Glen Comment
  CAS-BOT-BC166780  Plagiobothrys Peter Rubtzoff 1969-5-3 6013 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD166066  Plagiobothrys Peter Rubtzoff 1971-5-8 6449 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing. Comment
  UCR255871  Plagiobothrys Greg de Nevers 1992-5-24 10155 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 476 Comment
  CAS-BOT-BC166762  Plagiobothrys Peter Rubtzoff 1971-7-23 6618 Sonoma Laguna, Chileno Valley. Comment
  JEPS117078  Plagiobothrys Peter Warner 2010-5-6 141 Sonoma Annadel State Park, in upland vernal pool ~250 m N of Canyon Trail, ~220 m W of Spring Creek, just S of old rock wall Comment
  CAS-BOT-BC492931  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
  UCD120792  Plagiobothrys collinus var. californicus Roxana S. Ferris; Laura Lorraine 1961-6-14 13541 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner. Comment
  UC905097  Plagiobothrys greenei Lewis S. Rose 1949-4-6 49028 Sonoma western outskirts Sonoma 29 Comment
  RSA369973  Plagiobothrys greenei L. S. Rose 1949-4-6 49028 Sonoma Western outskirts of Sonoma 30 Comment
  SBBG117337  Plagiobothrys nothofulvus B. Crampton 1955-4-5 2414 Sonoma 2 mi SW of Windsor Comment
  UCD120884  Plagiobothrys nothofulvus J. Adams; J. Weick 1993-5-8 s.n. 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. 396 Comment
  RSA785153  Plagiobothrys stipitatus var. stipitatus Peter Rubtzoff 1969-5-3 6017 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UC28041  Plantago erecta Edw. L. Greene 1889-1 Sonoma Knight's Valley Comment
  UCD124450  Plantago erecta Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 31 Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. Comment
  UCD124491  Plantago erecta Valerie Bullock; Erik Beever, Rimy Waraich, Patti Togioka 1993-5-8 219 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail at base of wooded area. 365 Comment
  UCR143603  Plantago maritima G. F. Pratt, C. Pierce 2003-6-12 s.n. Sonoma Pacific Coast, Salt Point State Park 12 Comment
  UC1073296  Platystemon californicus George B. Rossbach 1955-3-19 279 Sonoma w rim Bodega Head; w rim of Bodega Head 45 Comment
  UC855269  Platystemon californicus Alice Eastwood 1921-4-24 10342 Sonoma Santa Rosa Comment
  SD130425  Platystemon californicus F. Almeda, G. DeNevers 1981-3-30 4882 Sonoma Vicinity of the Bechtel Cabin. Comment
  UC766307  Plectritis brachystemon R. F. Hoover 1941-5-14 5082 Sonoma 3 mi s of Monte Rio (on road to Camp Meeker) Comment
  JEPS113047  Pleuropogon californicus Dean W. Taylor 1994-5-4 14200 Sonoma Santa Rosa Plain; north of Todd Road 0.5 mi W of junction with Llano Road (ca. 5 air mi SW Santa Rosa) 24 Comment
  UC1024775  Pleuropogon californicus Leo Whitney 1935-3-17 2354 a Sonoma Santa Rosa Comment
  UC677573  Pleuropogon californicus A. A. Beetle with G. L. Stebbins Jr. 1942-6-4 3613 Sonoma on Occidental Road near Barstow Station Comment
  UCD90112  Pleuropogon californicus A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3574 Sonoma corner of Wright Rd. and Rt. 12, outskirts of Santa Rosa. Comment
  UCR111257  Pleuropogon californicus L. S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  UCR244671  Pleuropogon californicus Peter Rubtzoff 1966-4-30 5686 Sonoma North side of Hwy 116, 0.5 miles northwest of Stony Point Road crossing Comment
  RSA227223  Pleuropogon californicus var. californicus Peter Rubtzoff 1961-5-24 4601 Sonoma Upper Stemple Creek Marsh. Comment
  JEPS117079  Pleuropogon californicus var. californicus Peter Warner 2010-5-6 140 Sonoma Annadel State Park, in upland vernal pool ~250 m N of Canyon Trail, ~220 m W of Spring Creek, just S of old rock wall Comment
  RSA127248  Pleuropogon californicus var. californicus J. T. Howell 1944-5-14 19484 Sonoma Between Petaluma and Chileno Valley. Comment
  RSA336124  Pleuropogon hooverianus Paul But 1977-5-3 P 6 Sonoma 3 miles NE of Penngrove, along Pressley Road Comment
  SEINET190470  Pneumonanthe oregana Unknown 1941-6-22 1638 Sonoma 3.3 miles east of Bay (Bodega Bay). Comment
  CAS-BOT-BC368028  Poa Greg de Nevers 1998-6-10 11281 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. 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
  UCD160974  Poa howellii James A. Neilson Jr. 1975-7-8 3409 Sonoma Mayacmas Mountains. Socrates Mine. (Elevation and coordinates estimated by label maker.) 914 Comment
  CAS-BOT-BC256027  Poa pratensis Catherine Best 1993-5-6 1412 Sonoma Pepperwood Comment
  CAS-BOT-BC256034  Poa pratensis Peter Rubtzoff 1958-5-3 3612 Sonoma Atascadero Creek Marsh Comment
  UCR248953  Poa pratensis Peter Rubtzoff 1976-6-18 8650 Sonoma Kenwood Marsh 120 Comment
  JEPS75076  Poa pratensis subsp. pratensis Edward Lee 1934-4-30 754 Sonoma 1 mi w 2 Rock Junction Comment
  UC1132752  Poa secunda subsp. secunda H. S. Yates 1934-4-21 Sonoma near Bodego; Sebastopol Quadrangle Comment
  CAS-BOT-BC243201  Poa secunda subsp. secunda David L. Morgan 1961-4-12 s.n. Sonoma 4 miles W of Fallon Comment
  CAS-BOT-BC243251  Poa secunda subsp. secunda Catherine Best 1985-4-27 s.n. Sonoma Monan's Rill, N of St. Helena Road and E of Calistoga Road Comment
  HSC100957  Poa secunda subsp. secunda Peter Warner 2011-5-13 196 Sonoma Jenner Headlands, N edge of Johnson Field, ~580 m, N84 deg. E of Hwy. bridge at Russian Gulch, S edge of gulch that crosses Muniz Ranch Rd. 0 Comment
  CAS-BOT-BC244192  Poa trivialis Peter Rubtzoff 1951-7-8 410 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh 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-BC244196  Poa trivialis Peter Rubtzoff 1960-6-8 4466 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC244199  Poa trivialis Peter Rubtzoff 1955-6-26 1905 Sonoma Duncans Mills Marsh, edge of the lower portion of the marsh 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
  UC573867  Poa unilateralis H. S. Yates 1934-4-3 3796 Sonoma near Bodega; Sebastopol Quadrangle Comment
  UCD92147  Poa unilateralis P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  UCD92153  Poa unilateralis David L. Morgan 1961-4-15 s.n. Sonoma above Bodega Bay. Comment
  SEINET10659519  Poa unilateralis A. Arthur Heller Heller 5279 Sonoma Bodega Bay. Comment
  UCSB50250  Poa unilateralis Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach; T6N R11W 15 Comment
  CAS-BOT-BC376254  Pogogyne serpylloides Greg de Nevers 1995-5-5 10719 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Weimar Flat roadbed vernal pools 487 Comment
  CAS-BOT-BC232892  Polemonium carneum Milo S. Baker 1935-5-12 8072 Sonoma 1 mile E of Bodega Bay near Larkspur Comment
  JEPS128244  Polycarpon tetraphyllum Roger Raiche 2000-3-30 053 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC952859  Polycarpon tetraphyllum Milo S. Baker 1957-4-8 12320 Sonoma Kenwood; Mrs. Ada Hunkins' yard Comment
  JEPS43007  Polygala californica W. L. Jepson 1923-6-28 10011 Sonoma Sonoma Canyon Kenwood 243 Comment
  POM138788  Polygala californica Michener, Bioletti 1893-5-7 s.n. Sonoma Hood's Peak Comment
  RSA135339  Polygala californica Volney Rattan 1877-6-17 s.n. Sonoma Guernville Comment
  RSA70709  Polygala californica L. S. Rose 1951-5-17 51004 Sonoma Hills east of Agua Caliente 152 Comment
  SEINET12205439  Polygala californica F. H. Utech 1986-1 86 -108 Sonoma ca 3.5 mi NE on Cavedale Road 350 Comment
  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-BC157669  Polygonaceae Peter Rubtzoff 1964-5-20 5319 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC110532  Polygonum Peter Rubtzoff 1973-8-20 7223 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. 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
  UCD166307  Polygonum Peter Rubtzoff 1966-8-25 5810 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River. Comment
  CAS-BOT-BC164078  Polygonum arenastrum Peter Rubtzoff 1956-9-14 2887 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC414113  Polygonum aviculare subsp. aviculare Peter Rubtzoff 1955-8-7 2034 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC414118  Polygonum aviculare subsp. aviculare A. A. Heller 1902-6-11 5693 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC109164  Polygonum bolanderi F. G. Krauss 1893-10-8 s.n. Sonoma K Ranch. Comment
  UC6669  Polygonum bolanderi Michener and Bioletti July 1893 Sonoma Hoods Peak Comment
  RSA800607  Polygonum hydropiper Peter Rubtzoff 1973-8-15 7210 Sonoma Russian River at Squaw Rock, 6 mi south of Hopland. Comment
  UC727705  Polygonum lapathifolium Milo S. Baker 1946-8-17 11562 Sonoma The Laguna; at the crossing of the Occidental Rd Comment
  UC465762  Polygonum parryi Brandegee June 1889 Sonoma Mt. St. Helena Comment
  UC727706  Polygonum persicaria Milo S. Baker 1946-8-17 11563 Sonoma The Laguna; at crossing of the Occidental Rd Comment
  UC71482  Polypodium J. Burtt Davy 1894-12-9 854 Sonoma Kenwood Comment
  UCD136866  Polypodium glycyrrhiza Herbert L. Mason 1925-11-26 2498 Sonoma Monte Rio. Comment
  UCD136877  Polypodium glycyrrhiza Frederica Bowcutt 1994-6-12 1875 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 Trial along edge of Sonoma Creek just E of confluence wth Pony Gate Gulch Creek, just S of Adobe Canyon Road. 274 Comment
  CAS-BOT-BC311839  Polypogon Peter Rubtzoff 1986-9-28 9743 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC233197  Polypogon interruptus Peter Rubtzoff 1951-6-16 220 Sonoma Pitkin Marsh, near Forestville. N half of Lower Marsh Comment
  CAS-BOT-BC331491  Polypogon interruptus Peter Rubtzoff 1973-7-24 7194 Sonoma Upper Green Valley Marsh. Comment
  UC1132888  Polypogon interruptus H. S. Yates 1937-6-6 6584 Sonoma 3 mi e Jenner; Duncan Mills Quad. Comment
  UC50629  Polypogon interruptus H. P. Chandler 1900-5-25 680 Sonoma Bodega Bay Comment
  UCD91018  Polypogon interruptus Freed W. Hoffman 1941-7-3 2075 Sonoma North Coast Ranges. Near Guerneville. Comment
  SEINET4889753  Polypogon interruptus L. Koch 1940-6-5 1012 Sonoma Hills behind Fountaingrove Vinyard, 3 miles north of Santa Rosa along HWY 101 Comment
  UCD51671  Polypogon interruptus Collector unknown 1941-10-1 Sonoma Santa Rosa Creek by S.P. R.R. Comment
  CAS-BOT-BC237397  Polypogon monspeliensis Walter Knight; Irja Knight 1963-12-27 815 Sonoma Pine Flat Road. Circle 8 Ranch Comment
  CAS-BOT-BC237415  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Road to Bodega Point Comment
  SD39929  Polypogon monspeliensis Edith A. Purer 1932-7-24 4082 Sonoma Bodega Bay, stabilized dunes Comment
  SEINET10593633  Polypogon monspeliensis A. Arthur Heller 1902-4-23 Heller s.n. Sonoma Near Sonoma Comment
  UCD92451  Polypogon viridis Beecher Crampton 1959-6-16 5393 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  CAS-BOT-BC72166  Polystichum californicum Walter Knight; Irja Knight; Phyllis Ellman 1986-11-13 5850 Sonoma Bouverie Audubon Preserve, 3/4 mi E of parking lot along fire road 45 Comment
  HSC76929  Polystichum californicum R. W. Becking 1983-6-28 Sonoma Glen Ellen, Bouverie Audubon Preserve. Watershed of Stuart Creek in top-most redwood grove Comment
  UC62818  Polystichum californicum J. Burtt Davy 1896-3-13 1661 Sonoma Cazadero Comment
  SEINET11718544  Polystichum californicum W. Knight, Knight, I.; Edwards, S. W. 1986-1 5509 Sonoma 2.75 mi from end of Mill Creek Road Comment
  JEPS97815  Polystichum dudleyi R. Raiche 1986-11-10 60590 Sonoma The Cedars; Headwaters of Austin Creek; N of Cazadero 182 Comment
Read comments
Oct 17 2013
  SEINET11720937  Polystichum dudleyi F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -63 Sonoma Glen Ellen area, junction Warm Springs Road & Sonoma Mt. Road along Graham Creek Comment
  SEINET11719200  Polystichum dudleyi W. Knight, Knight, I. 1988-1 6261 Sonoma Jrost Ranch, Calistoga Road, on E side between St. Helena Road and Petrified Forest Road 122 Comment
  UCD163795  Populus Peter Rubtzoff 1980-5-26 9447 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC445293  Portulaca oleracea Peter Rubtzoff 1958-8-30 3941 Sonoma Russian River. Vacation Beach near Guerneville. Comment
  CAS-BOT-BC445298  Portulaca oleracea Peter Rubtzoff 1963-8-24 5242 Sonoma Laguna de Santa Rosa east of Graton Comment
  RSA620430  Portulaca oleracea Peter Rubtzoff 1965-8-22 5610 Sonoma Russian River, Forest Hills 5.5 mi. east of Guerneville. Open, moist bank of river bottom. Comment
  CAS-BOT-BC267141  Potamogeton foliosus 1877-6-17 s.n. Sonoma Russian River, Guerneville Comment
  HSC93482  Potamogeton nodosus G. Fred Hrusa, R. Gross 1997-8-31 14092 Sonoma Foote Ranch, NW base of Mt. St. Helena, NE of int. of Hwy. 128 and Ida Clayton Rd. 107 Comment
  CAS-BOT-BC141948  Potentilla anserina subsp. pacifica Peter Rubtzoff 1961-5-6 4675 Sonoma Americano Creek 1/2 mi. east of Valley Ford - Sonoma County Marshes Comment
  CAS-BOT-BC141957  Potentilla anserina subsp. pacifica Peter Rubtzoff 1954-7-26 1556 Sonoma Coleman Marsh - Sonoma County Marshes Comment
  UCD19495  Potentilla anserina subsp. pacifica Terry Reedy 1974-5-11 205 Sonoma Bodega Head. 1 Comment
  CAS-BOT-BC141649  Potentilla uliginosa Milo S. Baker 1946-8-17 11550 Sonoma Cunningham Marsh within the fence of the Camp Ground, ca 1 1/2 mi. west of the town of Cunningham Comment
  JEPS26116  Proboscidea louisianica subsp. louisianica Peter H. Raven, R. Snow 1958-7-23 13681 Sonoma along US Hwy 101 2.1 mi n junction to Skagg's Springs Comment
  CAS-BOT-BC516400  Prosartes hookeri G. DeNevers 1981-5-9 1082 Sonoma Pepperwood Ranch Comment
  UC1288497  Prunella Andrew P. Nelson 1960-8-3 646 C Sonoma Pitkin Marsh Comment
  CDA40756  Prunella vulgaris var. lanceolata T. C. Fuller 1958-5-24 4001 Sonoma Vinehill District. 0 Comment
  CAS-BOT-BC159845  Prunus cerasifera Walter Knight; Irja Knight; Keith Wagnon 5065 Sonoma At jct of Sonoma Mt. Rd. and Bennett Valley Rd. ca. 1 mi west of Glen Ellen Comment
  CAS-BOT-BC159902  Prunus emarginata T. E. Rawlins 1942-9-1 s.n. Sonoma Fort Ross Comment
  CAS-BOT-BC159454  Prunus virginiana var. demissa Greg de Nevers 1994-5-19 10522 Sonoma 3450 Franz Valley Road, Franz Valley School Rd., Pepperwood Ranch Natural Preserve 457 Comment
  RSA0045172  Prunus virginiana var. demissa Greg de Nevers 1998-6-2 11267 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley School Road at Bordjeiffs. 100 Comment
  CAS-BOT-BC357410  Pseudognaphalium microcephalum Robert M. King 1980-7-8 8415 Sonoma 5 miles generally southwest of Santa Rosa Comment
  UCD148405  Pseudognaphalium stramineum Peter Rubtzoff 1958-8-16 3884 Sonoma Laguna de Santa Rosa, north of Sepastopol, near Occidental Road. Comment
  UCD135110  Pseudotsuga menziesii Alan A. Beetle 1940-4-7 2596 Sonoma 1 mile south of Ft. Ross; hgwy #1 between Jenner and Ft. Ross. Comment
  NY63889  Pseudotsuga menziesii var. menziesii A. A. Heller 1902-3-31 s.n. Sonoma Mt. Hood Comment
  CAS-BOT-BC166787  Psilocarphus Peter Rubtzoff 1971-6-10 6531 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  UCD148450  Psilocarphus Peter Rubtzoff 1963-6-6 5168 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  UCD84284  Psilocarphus brevissimus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  RSA94031  Psilocarphus brevissimus M. S. Baker 1928-5-26 3027 Sonoma Near summit of Bennet Val. Road. Comment
  UCSB50254  Pteridium aquilinum Gray, John 1976-5-1 Sonoma Above Blind Beach, Sonoma State Beach. T7N R11W 60 Comment
  UCR222563  Pteridium aquilinum var. pubescens George K. Helmkamp, E. A. Helmkamp 2010-6-5 16252 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
  UC1481822  Pteridium aquilinum var. pubescens Mrs. Carlotta C. Hall June 1909 11 a Sonoma near Guerneville (n bank Russian River, Guernewood Park) Comment
  CAS-BOT-BC36524  Quercus Edw. L. Greene 1895-3-31 s.n. Sonoma Hills of Sonoma County Comment
  CAS-BOT-BC94234  Quercus X eplingii Peter H. Raven 1955-8-27 8757 Sonoma 3.2 mi N of Sears Point on State Route 37 Comment
  CAS-BOT-BC94702  Quercus X howellii D. E. Breedlove 1980-6-27 44759 Sonoma Pepperwood Ranch W of Knights Valley 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
  UC1193303  Quercus agrifolia P. Zinke 107 Sonoma near Preston Lake (Quad 61A4) 243 Comment
  CHSC80756  Quercus chrysolepis Earl L. Core 1952-7-5 Sonoma Mt. St. Helena. Comment
  SEINET12031414  Quercus chrysolepis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -243 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CAS-BOT-BC86005  Quercus douglasii Peter H. Raven 1955-8-27 8756 Sonoma 3.2 mi N of Sears Point on State Route 37 Comment
  CAS-BOT-BC79571  Quercus dumosa John Thomas Howell 1926-10-3 2214 Sonoma Petrified Forest Comment
  CDA11973  Quercus durata G. F. Hrusa, J. Pfeiffer 1995-9-23 12465 Sonoma North Coast Biodiversity Arena; Volcanic ash at Cavedale Edaphic Island, 2.7 m. E of Hwy. 12 on Cavedale Rd. Varying strongly toward Q. berberidifolia. Pure berberidifolia within 100 meters on basalt volcanics. Comment
  CAS-BOT-BC94669  Quercus garryana Lewis S. Rose 1964-8-26 64066 Sonoma 6 miles N of Penngrove 365 Comment
  UCD46200  Quercus garryana Roman Gankin 1967-10-4 1078 5 Sonoma (Back crossed to Q. garryana?) 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
  UCD46117  Quercus garryana var. garryana Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 74 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail S of Sonoma Creek about 1/8 mile from beginning of trail. 381 Comment
  CDA31300  Quercus kelloggii D. G. Kelch, Ed Biffin 2010-5-3 10 .192 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CAS-BOT-BC62848  Quercus lobata Mary P. Wells 1984-6-18 356 Sonoma Friends House grounds, Rincon Valley, Santa Rosa Comment
  RSA169363  Quercus lobata L. S. Rose 1964-6-27 64059 Sonoma 2 miles north of Sonoma. 274 Comment
  SEINET12030240  Quercus lobata W. Knight, Knight, I. 1984-1 5159 Sonoma Joosb Ranch,Calistoga Road Comment
  UCD14500  Quercus parvula var. shrevei Steven J. Barnhart 1995-2-1 s.n. Sonoma California, Sonoma Co.; Salt Point State Park east of Highway 1, near junction of fire road up to the meadow and the trail to the Pygmy Forest. Comment
  CAS-BOT-BC134863  Quercus wislizeni G. DeNevers 1981-6-27 1694 Sonoma Pepperwood Ranch. On a walk from Franz Valley Road up the main Creek draining the Devil's Kitchen and W along a chaparral ridge. Volcanic. W of Creek Comment
  UCD162763  Quercus wislizeni Dylan O. Burge 2014-6-5 1642 Sonoma Mayacmas Mountains, western slope of Hooker Canyon, at Elarra Reserve. 500 Comment
  UC1135886  Quercus wislizeni var. frutescens R. W. Lundh 1932-7-21 125 Sonoma Hooker Canyon Napa Quad. 548 Comment
  CAS-BOT-BC376399  Ranunculus Greg de Nevers 1996-4-18 10793 Sonoma Knight's Valley Marsh, on Bavarian Lion Ranch, south end of valley. 91 Comment
  RSA534581  Ranunculus californicus Peter Rubtzoff 1966-5-7 5705 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  RSA634963  Ranunculus californicus Michael A. Vincent, Ethan H. Freid, Alex Reich 1998-4-8 8176 Sonoma Bodega Bay, Bodega Bay Marine Reserve, off Bodega Road, Bodega Head Comment
  UCD95960  Ranunculus californicus R. H. Miller 1949-4-6 28 Sonoma along coast beside Highway 1, approximately 5 miles south of Jenner. Comment
  UCSB50246  Ranunculus californicus Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach. T6N R11W. 15 Comment
  POM269865  Ranunculus lobbii Carl V. Meyer 1929-3-24 s.n. Sonoma Santa Rosa Comment
  UC634971  Ranunculus lobbii Carl V. Meyer 1929-3-24 Sonoma Santa Rosa Comment
  JEPS55144  Ranunculus muricatus W. L. Jepson 1911-4-30 4189 Sonoma near Glen Ellen; Sonoma Valley, Eldridge 60 Comment
  UC72899  Ranunculus orthorhynchus var. bloomeri Miss M. Alice King April, 1897 Sonoma near Healdsburg Comment
  POM202750  Ranunculus orthorhynchus var. bloomeri I. L. Wiggins 1932-3-12 5757 Sonoma roadside ditch, Knight's Valley Comment
  UCD150141  Ranunculus pusillus 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
  RSA202091  Ranunculus pusillus Rimo Bacigalupi, G. Thomas Robbins, Ralph Hoffmann 1957-5-31 5677 Sonoma Onion Pond' above Canyon of Big Austin Creek, above Arroyo Gun Club, 4 miles N of Cazadero. 155 Comment
  SEINET11522461  Raphanus sativus Richard R. Halse 1987-2-22 3376 Sonoma Sonoma Valley, along State Hwy 121, 0.4 mile E of its junction with State Hwy 116 at Big Bend. 6 Comment
  UC18564  Rhamnus californica subsp. californica Mrs. Newhall 1901-1 Sonoma Camp Meeker Comment
  CAS-BOT-BC55943  Rhamnus crocea Walter Knight; Irja Knight 1963-9-1 142 Sonoma Pine Mt. Rd. - NE of Cloverdale Harold Smith Ranch Comment
  CDA11980  Rhamnus tomentella subsp. tomentella G. F. Hrusa, T. D. Wilfred 1995-12-3 12485 Sonoma North Coast Biodiversity Arena; W-facing slope of main ridge running SW from Chalk Mtn. NW base of Mt. St. Helena. Comment
  CAS-BOT-BC53746  Rhododendron columbianum Ella Dales Cantelow 1941-6-7 3643 Sonoma 5 mi. n. of Fort Ross. Hwy 1 Comment
  UCSB4804  Rhododendron occidentale Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners Comment
  UCD117989  Rhododendron occidentale J. M. Tucker 1952-5-4 2361 Sonoma On bank of the Wheatfield Fork of the Gualala River, beside road from Geyserville to Stewart's Point, ca. 12 miles east of Stewart's Point. Comment
  CAS-BOT-BC200338  Rhododendron occidentale var. occidentale Volney Rattan 1877-6-17 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC111862  Rhynchospora alba Milo S. Baker; John Thomas Howell 1945-7-18 11113 Sonoma Pitkin Marsh, upper bog. Comment
  CAS-BOT-BC111866  Rhynchospora alba John Thomas Howell; Hans Leschke 1945-5-30 20896 Sonoma Pitkin Marsh Comment
  RSA90513  Rhynchospora alba Milo S. Baker 1945-7-18 11113 Sonoma Pitkin Marsh, upper bog Comment
  RSA94069  Rhynchospora californica J. T. Howell 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  UC1026464  Rhynchospora capitellata Peter Rubtzoff 1951-7-1 341 Sonoma uppermost part western branch of Upper Marsh (near Forestville); Pitkin Marsh Comment
  UCD141234  Rhynchospora capitellata Herbert L. Mason 1946-7-4 12881 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  CAS-BOT-BC111915  Rhynchospora globularis Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  UC1026384  Rhynchospora globularis var. globularis John Thomas Howell 1945-8-14 21393 Sonoma Perry Marsh Comment
  RSA94280  Rhynchospora globularis var. recognita Peter Rubtzoff 1951-7-28 562 Sonoma Pitkin Marsh, near Forestville; Lower part of the Upper Marsh. Comment
  CAS-BOT-BC111932  Rhynchospora recognita John Thomas Howell 1936-7-26 12678 Sonoma Pitkin Marsh, 5 miles n of Sebastopol. Comment
  CAS-BOT-BC111936  Rhynchospora recognita Peter Rubtzoff 1951-7-21 506 Sonoma Pitkin Marsh, Damp, open area between the Upper and Lower Marshes. Comment
  SEINET13942324 Image available Ribes californicum A. A. Heller, H. E. Brown 2002-1 5012 Sonoma Hills East of Santa Rosa Comment
  CAS-BOT-BC93054  Ribes californicum var. californicum A. A. Heller; H. E. Brown 1902-3-21 5113 Sonoma Valley east of Santa Rosa. In Bennet. Comment
  CAS-BOT-BC168990  Ribes divaricatum var. pubiflorum Alice D. Sargent 1922-4-18 s.n. Sonoma Russian River near Montesano 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
  UC11484  Ribes roezlii var. cruentum F. T. Bioletti 1894-1 Sonoma near Hood's Peak Comment
  UC75451  Ribes victoris var. minus Milo S. Baker June 1899 Sonoma near Mt. Hood; Sonoma Creek Comment
  UC1069441  Romanzoffia californica E. Armstrong 1934-3-26 915 Sonoma 2 mi. n.w. Camp Meeker; Sebastopol Quad. 91 Comment
  UCR254883  Rorippa curvisiliqua var. occidentalis Peter Rubtzoff 1974-6-2 7517 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC152657  Rosa californica Dorothy Scherer 1997-5-20 119 Sonoma South side of Fort Ross Rd. and east end of Russian Orchard, Fort Ross State Historic Park 106 Comment
  CAS-BOT-BC146777  Rosa gymnocarpa Dorothy Scherer 1997-5-6 107 B Sonoma Ca. 70' north of Fort Ross Rd, and .6 mi. west of Seaview Rd, Fort Ross State Historic Park 365 Comment
  UCD151160  Rosa pisocarpa James A. Neilson Jr. 1973-6-6 3116 Sonoma Mayacmas Mountains. The Geysers. Wooded area near watercourse 1 mile west of Geyser Canyon. (Elevation estimated using Google Earth by label maker.) 609 Comment
  NY415883  Rosa sonomensis L. Greene 1888-9-30 s.n. Sonoma Comment
  CAS-BOT-BC146919  Rosa spithamea Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC262824  Rubus Peter Rubtzoff 1960-5-16 4357 Sonoma Duncans Mills Marsh; upper portion of the marsh. Comment
  UCR265086  Rubus armeniacus Ann Howald 2015-4-28 3374 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, c. 11.7 miles west of intersection with Rockpile Rd, Warm Springs drainage 431 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
  RSA800080  Rubus laciniatus Peter Rubtzoff 1954-7-28 1591 Sonoma Guerneville Marsh. Northwestern end of marsh. Comment
  POM91634  Rubus macropetalus Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  RSA800404  Rubus parviflorus Peter Rubtzoff 1964-5-20 5311 Sonoma Brooks Gulch Marsh. Comment
  SEINET11910567  Rubus ulmifolius var. inermis W. Knight, Knight, I.; Wagnon, K. 1984-1 5064 Sonoma between Enterprise Road and Cooper's Grove on Sonoma Mt. Road Comment
  CAS-BOT-BC157181  Rubus ursinus Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  RSA800078  Rubus ursinus Peter Rubtzoff 1958-5-3 3613 Sonoma Atascadero Creek Marsh. Comment
  RSA800079  Rubus ursinus Peter Rubtzoff 1964-6-3 5349 Sonoma Bodega Bay Marsh. Comment
  UCD17809  Rubus ursinus H. Olmo 8-10 May 1962 62 05 Sonoma California. Sonoma County: Bridge 20-70 in Russian Gulch. Comment
  CAS-BOT-BC173544  Rumex Peter Rubtzoff 1964-6-24 5387 Sonoma Coleman Marsh. Salmon Creek. Comment
  CAS-BOT-BC164030  Rumex Peter Rubtzoff 1963-8-17 5235 Sonoma Russian River Mouth Marsh Comment
  CDA36852  Rumex acetosella CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  CAS-BOT-BC422230  Rumex acetosella A. A. Heller 1902-6-7 5655 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC422237  Rumex acetosella Blanca Barrell 1982-8-7 s.n. Sonoma The Sea Ranch Comment
  POM165242  Rumex acetosella A. A. Heller 1902-6-7 5655 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UCD101040  Rumex acetosella P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC421853  Rumex conglomeratus A. A. Heller 1902-6-7 5660 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  CAS-BOT-BC421580  Rumex crassus Mary P. Wells 1982-7-5 s.n. Sonoma Salmon Beach Parking Lot Comment
  CAS-BOT-BC433415  Rumex crispus Walter Knight; Irja Knight 1963-9-25 122 Sonoma Coddingtown, Blue Bell Lane Comment
  RSA783835  Rumex fueginus Peter Rubtzoff 1963-10-5 5286 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  CAS-BOT-BC164690  Rumex obtusifolius Peter Rubtzoff 1954-6-7 1479 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC166929  Rumex obtusifolius Peter Rubtzoff 1959-6-20 4167 Sonoma Willow Creek Marsh. Comment
  RSA107069  Rupertia physodes L. S. Rose 1956-6-18 56097 Sonoma 4 mi. w. of Graton, junction of Harrison grade and Green Valley Road. Comment
  CAS-BOT-BC239853  Rytidosperma penicillatum J. C. Roos 1957-7-2 6651 Sonoma Miller Ridge Comment
  CAS-BOT-BC249309  Sagina Peter Rubtzoff 1956-9-14 2886 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  JEPS90776  Sagina decumbens subsp. occidentalis Dean W. Taylor 1994-5-4 14225 Sonoma 1.8 mi n of Camp Meeker (along Bohemian Highway, Dutch Bill Creek drainage just downstream from confluence with Duvol Creek); North Coast Ranges, Bohemian Highway 76 Comment
  UC905115  Sagina decumbens subsp. occidentalis Milo S. Baker 1947-4-25 11703 Sonoma e. of football field Santa Rosa Jr. College Comment
  UC814581  Sagittaria Milo S. Baker 7972 Sonoma Gravenstein Highway just n Cunningham Station Comment
  CAS-BOT-BC445687  Sagittaria cuneata Volney Rattan 1877-6-22 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC445779  Sagittaria latifolia Peter Rubtzoff 1958-7-26 3814 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC445772  Sagittaria latifolia Peter Rubtzoff 1951-8-19 663 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC445776  Sagittaria latifolia Peter Rubtzoff 1963-10-9 5296 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC157666  Salicornia Peter Rubtzoff 1963-8-17 5222 Sonoma Petaluma Creek just east of Petaluma. Comment
  CAS-BOT-BC290682  Salix Peter Rubtzoff 1973-8-27 7264 Sonoma Upper Green Valley Marsh. Comment
  RSA0019508  Salix Peter Rubtzoff, J. Eckenwalder 1974-4-6 7352 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC290592  Salix babylonica Peter Rubtzoff 1955-8-14 2051 Sonoma Forestville Marsh. Comment
  RSA534570  Salix bonplandiana Peter Rubtzoff 1963-10-5 5291 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  RSA534609  Salix bonplandiana Peter Rubtzoff, Theodore J. Crovello 1964-9-3 5494 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC103951  Salix exigua Peter Rubtzoff 1957-5-4 3318 Sonoma Vacation Beach, near Guerneville. Sandy bank of Russian River Comment
  POM106848  Salix exigua Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  RSA534608  Salix exigua Peter Rubtzoff 1953-5-16 1358 Sonoma Vacation Beach. Near Guerneville. along Russian River. Comment
  CAS-BOT-BC107751  Salix hindsiana A. A. Heller 1902-4-8 5224 Sonoma Bennett Valley southeast of Santa Rosa Comment
  UC66170  Salix laevigata A. A. Heller 1902-4-23 5348 Sonoma near Sonoma Sonoma Comment
  CAS-BOT-BC128055  Salix lasiandra var. lasiandra Peter Rubtzoff 1962-5-5 4805 Sonoma Fife Creek Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC128098  Salix lasiandra var. lasiandra A. A. Heller 1902-3-28 5174 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  CAS-BOT-BC128100  Salix lasiandra var. lasiandra Peter Rubtzoff 1951-8-18 626 Sonoma Pitkin Marsh, near Forestville, western branch of the Upper Marsh Comment
  CAS-BOT-BC107090  Salix lasiolepis Mary P. Wells 1987-2-21 857 Sonoma South side of Spring Lake, Santa Rosa Comment
  CAS-BOT-BC107253  Salix lasiolepis A. A. Heller 1902-3-10 5016 Sonoma Hills two miles southeast of Santa Rosa Comment
  UC453104  Salix lasiolepis W. A. Setchell 1931-7-31 20 Sonoma Bodega Bay Comment
  UC66159  Salix lasiolepis A. A. Heller 1902-3-10 5016 Sonoma hills 2 mi se Santa Rosa Comment
  UCD111582  Salix lasiolepis Ball; Bracelin, Parks, and Parks 1931-4-21 34 Sonoma Maacama Creek, about 25 km. northwest of Calistoga. Comment
  CAS-BOT-BC107346  Salix lasiolepis var. bigelovii Peter Rubtzoff 1955-8-20 2058 Sonoma Bodega Harbor Marsh Comment
  CAS-BOT-BC107349  Salix lasiolepis var. bigelovii Peter Rubtzoff 1962-5-11 4812 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road) Comment
  POM281344  Salix lasiolepis var. bigelovii Carleton R. Ball, B. S. Ball 1933-5-6 2501 Sonoma 4 miles SW of Calistoga. On road to Petrified Forest and just over the Napa Co line. Comment
  RSA534505  Salix lasiolepis var. bigelovii Peter Rubtzoff, T. J. Crovello 1964-9-3 5498 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC128250  Salix lucida Peter Rubtzoff 1952-3-23 890 Sonoma Lower part of Upper Marsh in and open damp area - Pitkind Marsh, near Forestville Comment
  RSA94334  Salix lucida subsp. lasiandra Peter Rubtzoff 1952-3-23 891 Sonoma S of the Upper Marsh. Comment
  UC482050  Salix melanopsis W. A. Setchell 1931-8-1 Sonoma Bohemian Grove near Monte Rio (Russian R.); Russian R. Comment
  CAS-BOT-BC126187  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 343 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  POM219058  Salix scouleriana Baker, Carleton R. Ball, H. P. Bracelin, Crum 1931-5-9 343 Sonoma 2 km E of Occidental on Occidental Grade. Comment
  UC1010343  Salix scouleriana Milo S. Baker 1929-4-12 3428 a Sonoma w. of Occidental (on Coleman Valley Rd.) Comment
  JEPS46299  Salix sitchensis Eleanor Armstrong 1933-4-15 749 Sonoma small creek Bodega Bay 6 Comment
  UC482068  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 344 Sonoma 2 km. e. Bodega Bay (on Santa Rosa-Bodega Hwy., <Larkspur Rock>) Comment
  UC482069  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 344 Sonoma 2 km. e. Bodega Bay Comment
  CAS-BOT-BC366941  Salvia columbariae Greg de Nevers 1993-5-30 10466 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa along Piney Canyon Rd. from Bald Hills 400 Comment
  CAS-BOT-BC225220  Salvia sonomensis Mrs. C. A. Burlingame 1921-5-30 s.n. Sonoma Sonoma Comment
  CHSC21957  Salvia sonomensis Robert A. Schlising 1962-3-31 2114 Sonoma California Coast Range. Along Cavedale Road, NE of Agua Caliente. Comment
  CAS-BOT-BC225215  Salvia sonomensis Wayne Roderick 1967-4-28 s.n. Sonoma Cavedale Road n. of Sonoma 457 Comment
  CAS-BOT-BC245883  Sambucus nigra subsp. caerulea Walter Knight; Irja Knight 1963-9-1 145 Sonoma Pine Mt. Rd., NE of Cloverdale, Harold Smith Ranch Comment
  CAS-BOT-BC245888  Sambucus nigra subsp. caerulea Peter Rubtzoff 1962-6-22 4957 Sonoma Fife Creek Marsh, Ffie Creek Comment
  UC1005695  Sanicula arctopoides Frank W. Gould 1939-2-25 566 Sonoma Sonoma County 91 Comment
  UC1123191  Sanicula crassicaulis H. S. Yates 1934-4-21 3829 Sonoma 2 mi n of County Farm 243 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
  UCD128076  Sanicula crassicaulis M. Wiesendanger 1927-5-5 733 Sonoma Kenwood Springs. Comment
  SEINET12121327  Sanicula crassicaulis W. Knight, Knight, I.; Knight, T. 1983-1 4712 Sonoma Sonoma Mountain Rd #2 within 0.75 mi from end closest to Glen Ellen near old Wake Robin Lodge site Comment
  POM126655  Satureja douglasii Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  UCD102936  Saxifraga mertensiana Rimo Bacigalupi 1948-3-6 2854 Sonoma One mile west of Skaggs Springs. Comment
  CAS-BOT-BC283142  Schedonorus arundinaceus G. De Nevers 1981-6-20 1593 Sonoma Along Leslie Creek near confluence with Mark West Creek, Pepperwood Ranch Comment
  CAS-BOT-BC283144  Schedonorus arundinaceus Mary P. Wells 1981-7-2 s.n. Sonoma Unit 35A, near Leeward Road, The Sea Ranch Comment
  CAS-BOT-BC283149  Schedonorus arundinaceus Walter Knight; Irja Knight; J. T. Howell 1987-5-20 6282 Sonoma Northeast corner Llamo and Todd Roads 25 Comment
  CAS-BOT-BC422364  Schedonorus arundinaceus Peter Rubtzoff 1962-6-13 4911 Sonoma Freestone Marsh. Comment
  RSA0022390  Schedonorus arundinaceus Peter Rubtzoff 1960-5-22 4406 Sonoma Laguna de Santa Rosa area east of Graton (between Occidental and Guerneville Roads.) Comment
  CAS-BOT-BC111434  Schoenoplectus acutus var. occidentalis Mary P. Wells 1987-5-17 s.n. Sonoma Marsh by Llano Road Comment
  CAS-BOT-BC111531  Schoenoplectus americanus Peter Rubtzoff 1970-5-16 6223 Sonoma 5 mi north of Sears Point. Open, wet margin of a pond. Comment
  CAS-BOT-BC111834  Schoenoplectus tabernaemontani Peter Rubtzoff 1970-8-18 6311 Sonoma 5 mi N of Sears Point Comment
  CAS-BOT-BC111107  Scirpus microcarpus Peter Rubtzoff 1951-8-4 583 Sonoma A marshy opening south of the Upper Marsh, at the edge of a thicket. Comment
  SEINET4178877 Image available Scirpus pungens Unknown 1965-5-1 6 -Aug Sonoma Marine Biological Station, Bodega Head Comment
  SEINET12058057  Scoliopus bigelovii F. H. Utech 1988-3-2 88 -013 Sonoma Stillwater Cove Park between CA 1 & Pacific Ocean, 4.5 mi N of Ft. Ross 10 Comment
  CAS-BOT-BC240036  Scribneria bolanderi John Thomas Howell 1965-3-25 41034 Sonoma 3 miles se. of Sonoma 76 Comment
  RSA54039  Scribneria bolanderi J. T. Howell 1948-4-18 24209 Sonoma Hills east of Agua Caliente. Comment
  CAS-BOT-BC320499  Scrophularia californica Peter Rubtzoff 1962-10-23 5122 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  JEPS128174  Scrophularia californica Roger Raiche 2001-5-29 041 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  POM14854  Scrophularia californica A. A. Heller, H. E. Brown 1902-4-17 5321 Sonoma Hills at Santa Rosa Comment
  RSA0022477  Scrophularia californica Peter Rubtzoff 1962-10-23 5122 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  UCD151191  Scutellaria californica James A. Neilson Jr. 1974-7-10 2846 Sonoma Mayacmas Mountains, west side of Cobb Mountain, along road to PG and E geothermal units 9 and 10 at the Geysers. (Elevation estimated using a topo map by label maker.) 960 Comment
  UC905116  Scutellaria tuberosa Milo S. Baker 1947-4-22 11695 Sonoma Hood Mountain, along trail towards cliffs Hood Mountain 243 Comment
  RSA0074864  Sedum radiatum subsp. radiatum A. A. Heller 1902-6-28 5789 Sonoma Between Knight's Valley and Mark West Springs. Comment
  CAS-BOT-BC63941  Sedum spathulifolium J. F. Emmel 1970-5-10 274 Sonoma .3 air mile E of confluence of Rancheria Creek and Warm Springs Creek on Stewarts Pt. Skaggs Springs Road. 144 Comment
  CAS-BOT-BC366867  Selaginella wallacei Greg de Nevers 1998-4-21 11191 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Al Cuneo's big rock in the NW 1/4 of Sec. 6 400 Comment
  CDA31297  Selaginella wallacei D. G. Kelch 2010-5-3 10 .188 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UC201784  Senecio glomeratus P. B. Kennedy 1914-10-1 Sonoma Del Mar Ranch Comment
  UCD135499  Senecio glomeratus P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCD148329  Senecio glomeratus Peter Rubtzoff 1954-6-20 1514 Sonoma Mays Canyon, ca. 0.5 miles southeast of Guerneville. Comment
  CAS-BOT-BC173674  Senecio hydrophilus Peter Rubtzoff 1971-8-9 6636 Sonoma Laguna Lake in Chilano Valley. Comment
  CAS-BOT-BC363762  Senecio integerrimus F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  UCR279640  Senecio minimus Peter Rubtzoff 1958-8-23 3916 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  UC1299455  Senecio sylvaticus Freed W. Hoffman 1948-5-30 2680 Sonoma near Guerneville; North Coast Ranges, Poole Ridge Comment
  UC403025  Sequoia sempervirens J. Burtt Davy 1896-8-1 Sonoma Bohemian Camp Guerneville Comment
  UCR250224  Setaria parviflora Peter Warner 2013-8-12 295 Sonoma Green Valley Road, 0.15 mi east of junction with Bones and Maddocks Roads 87 Comment
  SEINET10827242  Setaria parviflora P. Rubtzoff 1971-9-2 Rubtzoff 6685 Sonoma Todd Road near Stony Point Road. Dry roadside ditch, in the open. Comment
  CAS-BOT-BC240151  Setaria pumila David L. Morgan 1958-8-6 s.n. Sonoma Highway 101, Sonoma-Marin County Line Comment
  RSA264726  Sherardia arvensis Peter Rubtzoff, H. A. Froebe 1971-5-16 6456 Sonoma Duncans Mills Marsh. Comment
  UCR275255  Sidalcea Peter Rubtzoff 1971-6-5 6509 Sonoma 4.25 miles west of Glen Ellen on Bennett Valley Road 244 Comment
  CAS-BOT-BC290641  Sidalcea Peter Rubtzoff 1974-5-26 7497 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA0020349  Sidalcea Peter Rubtzoff, Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7814 Sonoma Kenwood Marsh. Comment
  SBBG4709  Sidalcea H. and M. Dearing 1939-5-14 3346 Sonoma near Healdsburg Comment
  CAS-BOT-BC187881  Sidalcea calycosa subsp. rhizomata Lillian Reinecke 1940-4-20 s.n. Sonoma Black Point Road, 5 miles S of Sonoma Comment
  RSA47811  Sidalcea diploscypha Roxana S. Ferris, Laura Lorraine 1948-6-9 11662 Sonoma Open hillside 11 miles from Geyserville on road to Kellogg Comment
  UC108867  Sidalcea diploscypha Katharine Brandegee 1905-6-8 Sonoma bet Santa Rosa Sevastopol; bet Santa Rosa and Sevastopol Comment
  UCD116755  Sidalcea malachroides P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UCD116783  Sidalcea malviflora Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-24 054 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC408411  Sidalcea malviflora subsp. laciniata I. J. Condit 1913-3-7 Sonoma Petaluma Comment
  JEPS21824  Sidalcea malviflora subsp. purpurea Gayle Westigard 1958-5-9 71 Sonoma on the coast near sea level Plantion (Plantation) 0 Comment
  CAS-BOT-BC540832  Sidalcea oregana subsp. valida Peter Rubtzoff; Rimo Bacigalupi 1979-8-6 9305 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 miles west of its junction with Franz Valley Road. Comment
  RSA0020348  Sidalcea oregana subsp. valida Peter Rubtzoff 1979-7-15 9292 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 mi west of its junction with Franz Valley Road. Comment
  UC1137921  Silene californica H. S. Yates 1934-4-22 3863 Sonoma near Petrified Forest; Calistoga Quad., near Petrified Forest Comment
  CAS-BOT-BC384437  Silene coronaria Peter Rubtzoff 1954-6-19 1498 Sonoma East Guernewood, near Guerneville Comment
  UC1541419  Silene gallica H. E. and S. T. Parks 1930-5-10 846 Sonoma Knights Valley 152 Comment
  CAS-BOT-BC392500  Silene gallica John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53953 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngove on the west slope of Sonoma Mountain. 457 Comment
  SEINET4856109  Silene grandis Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point. Comment
  RSA0056440  Silene multinervia Greg de Nevers 1997-4-16 10931 Sonoma Cavedale Road. 152 Comment
  CAS-BOT-BC389884  Silene scouleri subsp. scouleri Alice Eastwood 1899-6-1 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC75371  Sisymbrium officinale Peter Rubtzoff 1951-7-21 490 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh. Near the highway. Comment
  UC1084445  Sisyrinchium californicum G. Thomas Robbins 1937-5-23 200 Sonoma 10 mi w of Santa Rosa (on Pitkin Ranch); Vine Hill Region Comment
  UC3881  Smilacina stellata Maclean Sonoma banks near Geysers Comment
  CAS-BOT-BC164026  Solanum Peter Rubtzoff 1973-8-21 7245 Sonoma Sonoma Creek bottom near Aqua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC164408  Solanum Peter Rubtzoff 1959-9-19 4278 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC166967  Solanum Peter Rubtzoff 1956-9-16 2930 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC166973  Solanum Peter Rubtzoff 1958-9-20 3994 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 miles north Guerneville Road). Comment
  CAS-BOT-BC157977  Solanum lycopersicum Peter Rubtzoff 1958-8-9 3838 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road) Comment
  CAS-BOT-BC156865  Solanum umbelliferum M. S. Baker 1929-1-2 3401 b Sonoma North side Mill Creek, along trail from Cooper's Ranch to Cypress Grove Comment
  CAS-BOT-BC365583  Solidago elongata Peter Rubtzoff 1951-9-2 716 Sonoma Pitkin Marsh, near Forestville. Opening south of the Upper Marsh Comment
  CAS-BOT-BC365588  Solidago elongata John Thomas Howell 1945-8-14 21401 Sonoma Perry Marsh Comment
  CAS-BOT-BC365655  Solidago spathulata Mary P. Wells 1972-8-4 s.n. Sonoma The Sea Ranch Comment
  SBBG33688  Solidago spathulata T. L. Secrest 1948-7-7 Sonoma coast, Sonoma County [no specific locality] Comment
  UC485623  Solidago velutina subsp. californica Miss C. M. Huak August 1912 Sonoma Monte Rio Comment
  CAS-BOT-BC365264  Solidago velutina subsp. californica Mary P. Wells 1983-8-4 182 Sonoma North of Parking Lot south of Duncan's Point Comment
  CAS-BOT-BC365957  Soliva sessilis G. DeNevers 1981-4-30 888 Sonoma Pepperwood Ranch. At Pippindale Garden. Also at Garrison House Comment
  CDA8805  Soliva sessilis G. D. Barbe 1982-5-27 3618 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Scaggs Spring Road. Comment
  POM11812  Soliva sessilis Katherine Brandegee s.n. Sonoma Santa Rosa. Comment
Read comments
Dec 19 2015
  CAS-BOT-BC164029  Sonchus Peter Rubtzoff 1955-8-20 2062 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC164073  Sonchus Peter Rubtzoff 1960-6-25 4512 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC164659  Sonchus Peter Rubtzoff 1953-11-1 1428 Sonoma Vacation Beach, near Guerneville along Russian River. Comment
  CAS-BOT-BC164385  Sonchus Peter Rubtzoff 1960-5-18 4391 Sonoma Bodega Head Marsh. Comment
  UCD148378  Sonchus Peter Rubtzoff 1955-9-24 2153 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC374527  Sonchus asper John H. Thomas 1976-6-15 18326 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UCD136143  Sonchus asper subsp. asper J. M. Tucker 1951-6-26 2136 Sonoma at roadside, near summit of range, road from Glen Ellen to Oakville. Comment
  CAS-BOT-BC374744  Sonchus oleraceus D. E. Breedlove 1983-5-9 58696 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD167343  Sorghum halepense James Neilson 1981-5-28 4034 Sonoma Mayacmas Mountains.1/2 mi. west Big Geysers. (Location information obtained from Neilson 4033 indicates that the location is at lookout point along road fill over culvert 1/2 mi. west Big Geysers. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC236593  Sorghum halepense G. DeNevers 1981-7-31 1777 Sonoma Summerhome Park on the Russian River Comment
  UC1130589  Sparganium erectum subsp. stoloniferum H. S. Yates 1936-5-17 5634 Sonoma 2 mi ne Graton; Sebastopol Quad. 30 Comment
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Sep 25 2008
  UC813854  Sparganium erectum subsp. stoloniferum Roxana S. Ferris 1937-8-18 9373 Sonoma mouth of Salmon Creek Bodega Bay (on Bodega Bay) Comment
  CAS-BOT-BC236635  Spartina foliosa James Moffett 1928-10-8 s.n. Sonoma Black Pint cut-off Comment
  UCD99162  Spergula arvensis Mary M. Hektner 1974-7-20 156 A Sonoma near Shell Beach; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD160293  Spergularia bocconi James A. Neilson Jr. 1974-5-24 2880 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 mi. west of Whispering Pines, Sonoma County. (Elevation and georeferencing estimated by label maker.) 1127 Comment
  RSA0098145  Spergularia macrotheca E. A. Purer 1932-7-21 s.n. Sonoma Bodega Bay. Comment
  UCD160119  Spergularia rubra James A. Neilson Jr. 1973-6-3 2995 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-BC390731  Spergularia rubra John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53938 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-BC534886  Spirodela polyrhiza Peter Rubtzoff 1951-9-2 704 Sonoma Northern half of Lower Marsh, in the open, in water Comment
  RSA800145  Stachys Peter Rubtzoff 1977-9-3 9124 Sonoma Perry Marsh. Comment
  CAS-BOT-BC258358  Stachys J. Penalosa 1961-5-24 1585 Sonoma Upper Stemple Creek Marsh Comment
  CAS-BOT-BC502051  Stachys Peter Rubtzoff 1962-10-9 5110 Sonoma Brooks Gulch Marsh Comment
  UC635187  Stachys ajugoides var. rigida H. L. Mason June 1930 5650 Sonoma mouth Gualala River Comment
  UC380648  Stachys chamissonis Marcus E. Jones, A. M. 1882-7-17 3448 Sonoma Duncan's Mills Comment
  RSA227237  Stachys chamissonis Peter Rubtzoff 1962-8-22 5048 Sonoma Bodega Bay Marsh. Comment
  SEINET6744782 Image available Stachys chamissonis Marcus E. Jones 1882-1 Sonoma Duncan's Mills Comment
Read comments
Apr 7 2018
  CAS-BOT-BC361391  Stachys stricta Greg de Nevers 1993-8-8 10487 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa at Upper Skovie Spring (below Rd. T) 400 Comment
  RSA800606  Stellaria Peter Rubtzoff 1967-8-22 5852 Sonoma SE of Lower Salmon Creek Marsh Comment
  CAS-BOT-BC175337  Stellaria borealis subsp. sitchana John Thomas Howell 1945-8-14 21399 Sonoma Perry Marsh Comment
  CAS-BOT-BC251256  Stellaria media Peter Rubtzoff 1964-7-29 5437 Sonoma Brooks Gulch Marsh. Comment
  JEPS128186  Stellaria nitens Roger Raiche 2001-3-11 004 .01 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC376297  Stephanomeria Greg de Nevers 1992-8-9 10241 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Valley Road 304 Comment
  CAS-BOT-BC375318  Stephanomeria exigua subsp. coronaria G. DeNevers 1981-6-27 1681 Sonoma Pepperwood Ranch. Walk up the Creek from Franz Valley Road through the Devil's Kitchen Comment
  UCR254832  Stephanomeria virgata Greg de Nevers 1997-8-17 11076 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa, Oak Hill Ranch 400 Comment
  JEPS36888  Stephanomeria virgata subsp. pleurocarpa W. L. Jepson 1938-10-1 19047 Sonoma s slope of Mt. St. Helena (half-way to pass) Comment
  UCD167313  Streptanthus James Neilson 1977-6-7 3905 Sonoma Mayacmas Mountains, between Lunar Point and crest of Mayacmas. Same area as Neilson 3904. (Location information obtained from Neilson 3911 which indicated that Lunar Point is west of Locke Cabin. Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1178914  Streptanthus barbiger Herbert L. Mason 1946-7-4 12896 Sonoma ridge 2 mi e Occidental Comment
  JEPS86336  Streptanthus glandulosus subsp. glandulosus Jack and Betty Guggolz 1988-6-13 949 Sonoma n side of Pine Flat Road 7.9 mi from junction with Hwy 128 Comment
  JEPS86337  Streptanthus glandulosus subsp. secundus Jack and Betty Guggolz 1988-5-8 928 Sonoma outcrop on e side of Pine Flat Road 7.9 mi from Hwy 128 Comment
  UC1322476  Streptanthus glandulosus subsp. secundus Jerry Powell 1966-5-18 608 Sonoma two mi e Healdsburg (steep sw-facing outcrop next to road) Comment
  UC1492743  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-7-9 2848 Sonoma upper side of Sulphur Creek rd 3.6 mi from Highway 101 (from Geysers to Cloverdale); North Coast Ranges 182 Comment
  UC427868  Streptanthus glandulosus subsp. secundus H. E. and S. T. Parks 1930-5-10 835 Sonoma hillsides in w end of valley Knights Valley Comment
  UC985961  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-7-30 1064 Sonoma near Guerneville; North Coast Ranges, Mt. Jackson Quicksilver Mine Comment
  UC985964  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-5-24 2337 Sonoma Austin rd just above Great Eastern Quicksilver Mine (near Guerneville); North Coast Ranges Comment
  CAS-BOT-BC87294  Streptanthus glandulosus subsp. sonomensis Peter Rubtzoff 1952-6-1 1134 Sonoma Fitch Mountain Grove, near Healdsburg. Comment
  UC1292740  Streptanthus morrisonii Freed W. Hoffman 1946-9-26 1026 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  UC1292744  Streptanthus morrisonii Freed W. Hoffman 1950-6-17 3377 Sonoma Layton Mine, Austin Creek Comment
  UCD167022  Streptanthus morrisonii James Neilson 1981-7-1 4046 Sonoma Mayacmas Mountains. Abril Ridge. (Abril Ridge assumed to be on Abril property which, based on other Neilson collections, includes T11N R9W Sect. 15. Exact location unknown, coordinates estimated by label maker.) Comment
  UC1492804  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1950-5-24 3360 Sonoma trail from Gray Creek to The Island (headwaters of East Austin Creek); North Coast Ranges, East Austin Creek Comment
  CAS-BOT-BC267237  Stuckenia filiformis Peter H. Raven 1955-3-20 s.n. Sonoma 1 mile W of Schelville Comment
  CAS-BOT-BC257995  Symphoricarpos Peter Rubtzoff 1959-5-31 4075 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC269634  Symphoricarpos albus var. laevigatus Marcus E. Jones 1931-7-5 29056 Sonoma West of Cloverdale Comment
  CAS-BOT-BC97830  Symphyotrichum chilense Walter Knight; Irja Knight 1963-10-3 498 Sonoma Bennett Valley Comment
  CAS-BOT-BC97835  Symphyotrichum chilense Walter Knight; Irja Knight 1984-9-26 5236 Sonoma 5.9 mi. up Cavevale Rd. Comment
  CAS-BOT-BC98565  Symphyotrichum lentum F. G. Krauss 1893-10-8 s.n. Sonoma Mountains, Krauss Ranch Comment
  UCD148394  Taraxacum Peter Rubtzoff 1958-4-26 3587 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC376986  Taraxacum officinale Peter Rubtzoff 1952-3-23 877 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC376984  Taraxacum officinale John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53962 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  OBI23271  Taraxacum officinale Jim Rogers 1972-7-30 9 Sonoma 3764 Oregon Dr, Santa Rosa Comment
  HREC922 Image available Tauschia kelloggii Kerry L. Heise 1997-5-7 2024 Sonoma IHRMP study site #3 Riley, 2mi ENE of Geyserville, Sonoma Co. Comment
  JEPS86301  Teesdalia coronopifolia Charles F. Quibell 1975-2-24 1228 Sonoma 0.5 mi n of intersection with Peracca Guenza intersection (along w side of Grange Road); Grange Road Comment
  CAS-BOT-BC88007  Teesdalia coronopifolia Catherine Best 1990-3-24 1358 Sonoma On Acton Lane near Fulton northwest of Santa Rosa. Comment
  UC58232  Tellima grandiflora A. A. Heller 1903-4-23 6612 Sonoma Fort Ross Comment
  SEINET12217337  Tellima grandiflora F. H. Utech 1988-1 88 -227 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Road on CA 1, mile marker 29.90 100 Comment
  UC866568  Thermopsis californica Alice Eastwood 1921-5-8 10435 Sonoma Petaluma Comment
  RSA800061  Thermopsis californica var. californica Peter Rubtzoff 1965-5-8 5527 Sonoma Atascadero Creek Marsh. Comment
  UCD166413  Thermopsis californica var. californica Peter Rubtzoff 1962-6-8 4886 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC66816  Thysanocarpus curvipes G. DeNevers 1981-4-4 637 Sonoma Pepperwood Ranch. 200 meters north of Pippindale garden. North of Studio. Comment
  CAS-BOT-BC66826  Thysanocarpus curvipes Doris K. Kildale 1928-4-1 4399 Sonoma Top of grade just north of Cloverdale in Redwood Highway. Comment
  RSA0057550  Thysanocarpus curvipes subsp. curvipes Milo S. Baker 1898-1 735 Sonoma Hills near Santa Rosa. Comment
  POM182665  Thysanocarpus curvipes var. curvipes D. D. Keck 1931-4-4 1098 Sonoma Santa Rosa Creek Canyon 225 Comment
  CAS-BOT-BC67335  Thysanocarpus radians John H. Thomas 1968-4-4 14268 Sonoma 2.8 miles northeast of highway 101 on road to Mark Springs West, along Mark Springs road. Comment
  RSA0041644  Thysanocarpus radians Lewis S. Rose 1949-4-6 49026 Sonoma Western outskirts of Sonoma. 29 Comment
  RSA0049971  Thysanocarpus radians Peter H. Raven 1913-4-6 1602 Sonoma Lower slopes of Rincon River. 4 miles from Santa Rosa to Sonoma. 243 Comment
  CAS-BOT-BC447589  Tiarella trifoliata var. unifoliata L. R. Abrams 1920-7-3 7599 Sonoma Gualala River Comment
  SJSU474  Tilia dasystyla A. W. Jacobs 1940-5-29 Sonoma residence, Santa Rosa Comment
  POM312928  Tofieldia glutinosa subsp. occidentalis H. L. Mason 1946-7-4 12887 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  RSA523395  Tonella tenella Harry K. Roberts 1968-4-6 s.n. Sonoma North side of Mt Jackson, 1.5 airline miles NNE of Rio Nido, on road to lookout, ca 1 mile NE of Sonoma Mercury Mine. 320 Comment
  POM316512  Torilis arvensis Patricia Wilder 1965-6-10 3641 -a Sonoma About one mile from junction of Fort Ross Road and Seaview Road, on Seaview Road 549 Comment
  CAS-BOT-BC81459  Torreya californica Mary P. Wells 1984-7-21 374 Sonoma Hot Spot (near So. Fork of Gualala River) The Sea Ranch Comment
  UCD139839  Toxicoscordion fremontii A. A. Heller; H. E. Brown 1902-3-14 5068 Sonoma near Windsor. Comment
  CAS-BOT-BC519554  Triantha occidentalis subsp. occidentalis John Thomas Howell 1945-7-18 s.n. Sonoma Sonoma: Pitkin Marsh Comment
  UC1191804  Trichostema laxum Herbert L. Mason 1946-7-4 12897 Sonoma 2 mi E of Occidental Comment
  HSC17939  Trientalis latifolia James Faro 1962-4-20 1 Sonoma About 5 mi. N of Geurnville on the Old Cazadero Rd. Comment
  SEINET11993489  Trientalis latifolia F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -201 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 800 Comment
  CAS-BOT-BC166926  Trifolium Peter Rubtzoff; Tim Tunison 1976-6-5 8587 Sonoma False Lake Meadow area, Annadel State Park. Comment
  CAS-BOT-BC166769  Trifolium Peter Rubtzoff 1974-5-18 7420 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC210048  Trifolium Peter Rubtzoff 1974-5-18 7432 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA783465  Trifolium Peter Rubtzoff 1976-5-30 8555 Sonoma Kenwood Marsh Comment
  RSA784987  Trifolium Peter Rubtzoff 1974-5-11 7403 Sonoma Laguna de Santa Rosa east of Sebastopol (south of Hwy 12 crossing) Comment
  RSA784997  Trifolium Peter Rubtzoff 1974-5-26 7496 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD107340  Trifolium albopurpureum Botany 102 Students 1993-5-8 242 a Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Meadow Creek. 396 Comment
  CAS-BOT-BC217056  Trifolium amoenum Joseph P. Tracy 1921-5-13 5548 Sonoma Near Petaluma Comment
  CAS-BOT-BC217059  Trifolium amoenum J. W. Congdon 1880-5-1 s.n. Sonoma Santa Rosa Comment
  UCR119035  Trifolium barbigerum var. andrewsii Beecher Crampton 1955-4-5 2416 Sonoma Santa Rosa Area, 2.5 miles south of Windsor, western boundary of Sonoma County Airport, along Mark West Road 91 Comment
  CAS-BOT-BC371444  Trifolium bifidum Greg de Nevers 1998-5-5 11231 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  NY33717  Trifolium bifidum var. decipiens J. M. Bigelow 1853-1 404 Sonoma Comment
  UC1541593  Trifolium ciliolatum H. E. and S. T. Parks 1930-5-9 602 Sonoma Knights Valley Comment
  UCR179431  Trifolium ciliolatum I. Loredo-Prendeville, Nicole Canon 1993-4-24 65 Sonoma Sugarloaf Ridge State Park, c. 50 air mi N of San Francisco, 10 air mi east of Santa Roas, 2.5 air mi NE of kenwood and 18 air mi NW of Napa. Along Adobe Canyon Road 259 Comment
  RSA121691  Trifolium ciliolatum B. O. Schreiber 1936-3-5 2211 Sonoma Healdsburg quadrangle, 2 miles WNW of Mark W Srpings. 122 Comment
  UC631218  Trifolium depauperatum var. amplectens P. B. Kennedy 1915-5-28 Sonoma Del Mar Comment
  UC80343  Trifolium depauperatum var. amplectens Michener and Bioletti 1893-1 Sonoma Kenwood Comment
  SEINET7075559  Trifolium depauperatum var. depauperatum A. G. Vestal 1955-5-8 s.n. Sonoma South end of Bennett Mountain southeast of Santa Rosa. East Bennett Valley. 38? deg. 24' 31" North Latitude, -122? deg. 37' 52" West Longitude. UTM Zone 10, 532220mE, 4251005mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  JEPS65732  Trifolium depauperatum var. truncatum Milo S. Baker 1934-3-27 7583 Sonoma near vernal pool (Bennett Valley) Comment
  POM68425  Trifolium dichotomum Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UCSC000424  Trifolium dichotomum Charisse Bickford 1979-4-20 s.n. Sonoma Cloverdale Comment
  UCR254855  Trifolium fragiferum Greg de Nevers 1995-6-16 10755 Sonoma Knights Valley Marsh on Bavarian Lion Ranch 197 Comment
  UC1130026  Trifolium fucatum H. S. Yates 1934-4-22 3836 Sonoma near Petrified Forest; Calistoga quad 243 Comment
  UC631613  Trifolium fucatum P. B. Kennedy 1928-5-13 10151 Sonoma Sonoma to San Rafeal hwy Comment
  RSA90940  Trifolium fucatum F. W. Peirson, Mabel B. Peirson 1926-4-1 6551 Sonoma 6 miles south of Cloverdale. Comment
  UCD165150  Trifolium gracilentum Peter Rubtzoff 1974-5-18 7428 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  UCD143708  Trifolium grayi Beecher Crampton 1955-4-5 2407 Sonoma 2 miles west of Fulton, along Woolsey Road. Comment
  UCD111143  Trifolium hirtum Frederica Bowcutt 1996-5-19 2122 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Lower Bald Mtn. trail. 426 Comment
  UC1130076  Trifolium microcephalum H. S. Yates 1934-4-22 3855 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  UCD111423  Trifolium microcephalum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 63 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 259 Comment
  CAS-BOT-BC361335  Trifolium microdon Greg de Nevers 1997-4-25 10979 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD109175  Trifolium microdon R. Tofsrud 1951-5-20 s.n. Sonoma Huichica School near Sonoma. Comment
  JEPS2906 Image available Trifolium oliganthum Edward Lee Greene 1892-1 Sonoma Knight's Valley Comment
  HSC100944  Trifolium subterraneum Peter Warner, Patricia Chan 2011-3-12 180 Sonoma Annadel State Park, Canyon Trail, 100 m NE of 'big bend' in trail, near Woodview Drive. 55 Comment
  JEPS117130  Trifolium variegatum var. variegatum Peter Warner 2010-5-6 139 Sonoma Annadel State Park, in upland vernal pool ~250 m N of Canyon Trail, ~220 m W of Spring Creek, just S of old rock wall Comment
  JEPS86764  Trifolium willdenovii Jack and Betty Guggolz 1990-6-18 1072 Sonoma ca 11 km e Healdsburg (ne facing road-cut); Ferrari-Carano Ranch 228 Comment
  UCSB31788  Trifolium willdenovii Townsend, J. 1977-5-29 Sonoma West side Russian River, about 0.5 miles south of Guerneville 335 Comment
  UCSB31789  Trifolium willdenovii Townsend, J. 1977-5-29 Sonoma West side Old Cazadero Rd. about 7 miles north-east of Guerneville 518 Comment
  UC16810  Trifolium wormskioldii J. Burtt Davy 1896-7-23 Sonoma May's Canyon Guerneville 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
  UC1134687  Trillium albidum E. Armstrong 1934-2-26 945 Sonoma Camp Meeker Sebastopol Quad., Camp Meeker Comment
  RSA178023  Trillium ovatum Robert F. Thorne 1965-4-19 34314 Sonoma Harrison Grade, 1/2 mile from Green Valley Road. 152 Comment
  SEINET12048688  Trillium ovatum F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -158 Sonoma ca 5 mi E of Bridgehaven on Willow Creek Road 145 Comment
  CAS-BOT-BC521306  Trillium rivale A. A. Heller; H. E. Brown 1902-3-22 5127 Sonoma West of Sebastopol Comment
  CAS-BOT-BC521309  Trillium rivale Peter Rubtzoff 1957-5-4 3317 Sonoma Duncans Mills Marsh area. Redwood forest bordering the Marsh in the west. Comment
  JEPS117073  Triphysaria eriantha subsp. eriantha Peter Warner 2010-3-30 125 Sonoma Annadel State Park, east of Santa Rosa; approx. 200 m south of Cobblestone Trail, approx. 1 km west of Channel Drive. Comment
  UCSB7457  Triphysaria eriantha subsp. eriantha Keator, Glenn 1959-4-2 Sonoma 0.3 miles south of southern Boyes Springs city limits on outskirts of Sonoma on highway 12 Comment
  CHSC20133  Triphysaria versicolor subsp. faucibarbata D. Joley 1975-4-24 300 Sonoma Junction of Rainsville and Liberty Rds, Petaluma. Comment
  UCD161348  Triphysaria versicolor subsp. faucibarbata James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3708 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1/4 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Coordinates estimated by label maker.) Comment
  UC1745768  Triphysaria versicolor subsp. versicolor Annetta M. Carter 1934-4-29 512 Sonoma 1 mile W of Two Rock junction on road to Tomales. Comment
  CAS-BOT-BC200114  Trisetum canescens Peter Rubtzoff 1953-5-17 1378 Sonoma Vacation Beach, near Guerneville Comment
  RSA784396  Trisetum canescens Peter Rubtzoff 1958-5-30 3683 Sonoma Duncans Mill Marsh. At edge of the redwood forest bordering the marsh in west. Comment
  UC1133276  Trisetum canescens H. S. Yates 1936-5-16 5609 Sonoma 2 mi se Forestville; Pitkin Marsh, Sebastopol Quad. 30 Comment
  UCD93498  Trisetum canescens Beecher Crampton 1955-6-17 2950 Sonoma 4.5 miles S of Cazadero. Comment
  UCD93507  Trisetum canescens Beecher Crampton 1957-7-11 4310 Sonoma Along State Hwy. 1, 1.25 miles SE of Bodega Bay. Comment
  UCR141951  Trisetum canescens Beecher Crampton 1955-6-17 2931 Sonoma North Coast Range, 3.3 miles west of Forestville, along State Highway 116 ['12'] 61 Comment
  UC1146669  Trisetum canescens Freed W. Hoffman 1944-5-22 1995 Sonoma near Sonoma Coast (Cruz Ranch); North Coast Ranges Comment
  UCD93590  Trisetum canescens Freed W. Hoffman 1943-6-6 2212 Sonoma Coast road near Bridgehaven. Comment
  CAS-BOT-BC522361  Triteleia hyacinthina Peter Rubtzoff 1966-6-5 5762 A Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerville roads. Comment
  UC666148  Triteleia laxa Annetta Carter and Ethel Crum 1941-6-22 1642 Sonoma steep ne-facing slope 3.3 mi e Bay (Bodega Bay); North Coast Ranges Comment
  CAS-BOT-BC527032  Triteleia laxa Peter Rubtzoff 1952-6-10 1199 Sonoma Northeast slopes of Fitch Mountain, near Healdsburg Comment
  CAS-BOT-BC527036  Triteleia laxa D. E. Breedlove 1980-6-27 44750 Sonoma Pepperwood Ranch west of Knights Valley Comment
  CAS-BOT-BC527039  Triteleia laxa F. G. Kraus 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  RSA70138  Triteleia laxa F. W. Peirson, Mabel Peirson 1926-4-1 6547 Sonoma 6 miles south of Cloverdale. Comment
  UC11061  Tropidocarpum gracile H. N. Bolander 1864-4-17 3805 Sonoma bank Santa Rosa Creek Comment
  CAS-BOT-BC74107  Turritis glabra Alice Eastwood; John Thomas Howell 1938-5-15 5511 Sonoma Near Mark West Springs. Comment
  SDSU6675  Ulex europaeus D. F. Howe 1968-5-21 4520 Sonoma 3.7 miles south of Bodega Bay on #1. Comment
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Feb 6 2013
  UC16921  Ulex europaeus Harley P. Chandler 1900-5-25 685 Sonoma Bodega Comment
  RSA699636  Ulex europaeus Keith E. Hoffmaster 1946-3-9 s.n. Sonoma Roadside, spreading thruoghout a hillside pasture. Near Petaluma. Comment
  CAS-BOT-BC258007  Ulmus Peter Rubtzoff; Nancy Harrison; Ruth Hass 1974-8-31 7854 Sonoma Kenwood Marsh. Comment
  RSA40094  Umbellularia californica L. S. Rose 1948-1-17 48003 Sonoma Glen Ellen 40 Comment
  UCD137872  Umbellularia californica C. Winstrom 1996-5-26 30 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  CAS-BOT-BC382825  Uropappus lindleyi G. DeNevers 1981-4-25 847 Sonoma Pepperwood Ranch. Lower road cut turnout on Franz Valley Road, on Mark West Springs Road side Comment
  CAS-BOT-BC403981  Urtica dioica subsp. gracilis Peter Rubtzoff 1963-8-17 5227 Sonoma Russian River Mouth 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
  SFV8773  Vaccinium ovatum J. C. Lee 1966-4-27 41 Sonoma Highway 116, 1 mile east of Guerneville. 30 Comment
  UC419732  Vaccinium parvifolium Mrs. H. P. Bracelin 1930-7-27 22 Sonoma 1 mi N of Fort Ross Comment
  CAS-BOT-BC76165  Vancouveria planipetala J. W. Congdon 1892-5-30 s.n. Sonoma Cazadero. Comment
  CAS-BOT-BC135764  Veratrum fimbriatum John H. Thomas 1976-6-15 18279 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  JEPS62207  Veratrum fimbriatum Milo S. Baker 1920-9-20 Sonoma 2 mi n Stewart's Point Comment
  UCR248897  Verbascum blattaria Peter Rubtzoff 1969-8-24 6142 Sonoma Pond on River Road, 3 miles west of Fulton 27 Comment
  UCR256103  Verbena Greg de Nevers 1992-7-25 10227 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  UCD160970  Verbena lasiostachys James A. Neilson Jr. 1975-7-8 3415 Sonoma Mayacmas Mountains. Socrates Mine Road, above summit [of road]. (Elevation and coordinates estimated by label maker.) 990 Comment
  JEPS65942  Verbena lasiostachys var. lasiostachys L. M. Newlon 1921-9-12 271 Sonoma Alexander Valley Comment
  CAS-BOT-BC157680  Veronica Peter Rubtzoff 1959-4-18 4025 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of the Guerneville road crossing. Comment
  CAS-BOT-BC157662  Veronica Peter Rubtzoff 1960-5-29 4416 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road) Comment
  CAS-BOT-BC166930  Veronica Peter Rubtzoff 1970-4-19 6212 Sonoma Forest Hills, 5.5 mi. east of Guerneville at 9981 Old River Road. Comment
  RSA783724  Veronica americana Peter Rubtzoff 1954-6-6 1460 Sonoma Guerneville Marsh. Comment
  UCR279614  Veronica americana Peter Rubtzoff 1959-6-20 4172 Sonoma Willow Creek Marsh 9 Comment
  CDA42023  Veronica americana T. C. Fuller 1958-5-24 3989 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  RSA264766  Veronica anagallis-aquatica Peter Rubtzoff 1956-9-16 2920 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  UCD124692  Veronica arvensis Charles B. Heiser Jr. 1946-4-13 1717 Sonoma 3 miles west of Duncan Mills, near Russian River. Comment
  CAS-BOT-BC368091  Veronica peregrina Greg de Nevers 1998-5-5 11225 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  UC1101486  Veronica scutellata Malcolm A. Nobs, S. Galen Smith 1949-8-1 1107 Sonoma 2 mi e of Stewart's Point (on road to Geyserville) Comment
  UCD164195  Veronica scutellata Peter Rubtzoff; Nancy Harrison 1978-6-11 9211 Sonoma Cunningham Marsh Area, on north side of Blucher Creek Valley. Comment
  RSA799986  Vicia Peter Rubtzoff 1974-5-25 7462 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC540815  Vicia Peter Rubtzoff 1974-5-25 7462 Sonoma Upper Green Valley Marsh area. Comment
  UCD38373  Vicia benghalensis Beecher Crampton 1955-4-4 2393 Sonoma Asti. Comment
  RSA600857  Vicia cracca Joseph A. Ewan 1935-5-13 9244 Sonoma 2.5 miles west of Santa Rosa: Sebastopol Road. Comment
  SEINET4965652  Vicia gigantea Unknown 1994-4-3 69 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; vicinity of Sea Ranch Airstrip Comment
  UCD108794  Vicia lutea Frederica Bowcutt 1994-6-12 1849 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Rd. Trail head for Pony Gate Trail near kiosk and visitor center. 411 Comment
  CHSC33020  Vicia sativa Jane A. Rogers 1979-4-14 5 Sonoma Ca. 50 yds e of end of Hart Lane, ca. 1/2 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. 27 Comment
  UCSC000433  Vicia sativa subsp. nigra John Thomas Howell 1946-3-31 s.n. Sonoma Near Sonoma Comment
  CDA4389  Vicia sativa subsp. nigra T. C. Fuller 1977-4-21 20193 Sonoma Church of Christ property, 1825 Fulton Road, 0.5 km south of Piner Road, Santa Rosa. 0 Comment
  CAS-BOT-BC368079  Vicia villosa subsp. villosa Greg de Nevers 1998-4-27 11205 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  UC1762559  Viola douglasii Milo S. Baker 1928-3-1 3239 Sonoma Melitta, Golf Club Links Comment
  UC1763296  Viola douglasii Milo S. Baker May 1906 5518 Sonoma near Melita (Santa Rosa Golf Links, Peach Flat) Comment
  UCD110890  Viola lobata A. A. Beetle 1939-4-12 1775 Sonoma Mt. St. Helena. Comment
  UC496480  Viola ocellata Merle Randall 1930-6-8 Sonoma Austin Creek; Cazadero, Austin Creek Comment
  SEINET186436 Image available Viola ocellata M. S. Baker 9469 Sonoma South side of Meeker Grade ca 2 miles east of Occidental Comment
  UC1761634  Viola pedunculata Miss Bumbaugh 1898-3-15 Sonoma near Sebastopol Comment
  UC1742248  Viola rafinesquei Milo S. Baker Apr 1934 7705 Sonoma Brookside Garden Comment
  UC1742249  Viola sororia Milo S. Baker 1933-5-26 Sonoma Kenwood Garden Comment
  CAS-BOT-BC135290  Viscum album Stanley Rose 1966-1-2 s.n. Sonoma about 1 mile N from Sebastopol on Gravenstein Highway North (#1090) Comment
  SEINET12230473  Viscum album H. K. Wagnon 1989-1 1850 Sonoma from a broken-off plant at the base of a large tree, Luther Burbank Farm, Sbastopol Comment
  UCD102746  Vitis californica K. Esau 1935-7-19 s.n. Sonoma Near Petaluma Comment
  UC573936  Vulpia bromoides H. S. Yates 1937-6-6 6585 Sonoma 3 mi e Jenner; Duncan Hills Quad. 60 Comment
  HSC9911  Vulpia microstachys Leo Koch 1940-4-22 838 Sonoma At Geysers in Sulfur Creek Can