Search Results — 2000 specimen records retrieved (1289 records with coordinates)
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(For large data reqests, please contact Jason Alexander, jason_alexander@berkeley.edu.)

 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/cch_archive/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  CAS-BOT-BC78077  Abies grandis Roxana S. Ferris 1940-3-22 9841 Sonoma at Stillwater Cove Ranch, north of Fort Ross on State Highway #1 Comment
  UCD134234  Abies grandis Lalit M. Srivastava 1957-11-1 21 Sonoma State Highway 1, 2 miles north of Fort Ross. 30 Comment
  CAS-BOT-BC233755  Abronia umbellata Rimo Bacigalupi 1928-6-18 1898 Sonoma Beach at mouth of Salmon Creek, 2 miles north of Bodega Bay Comment
  UC221681  Abronia umbellata subsp. breviflora Alice Eastwood 1900-7-4 Sonoma Bodega Point Comment
  CAS-BOT-BC451109  Acaena pinnatifida var. californica Greg de Nevers 1996-8-28 10860 Sonoma Trail from Shell Beach to Pomo Campground. 40 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
  UCD117006  Acer macrophyllum Jennifer Bury; Peggy Herzog 1993-5-8 290 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 Mountain 0.75 mile. On Bald Mountain Trail. 426 Comment
  SEINET12233937  Acer negundo Unknown 1947-1 98 Sonoma County rd 1/2 mi W of Freezeout creek across Russian River, Duncan Mills Comment
  POM136900  Acer negundo subsp. californicum A. A. Heller, H. E. Brown 1902-4-15 5303 Sonoma Santa Rosa Creek Comment
  CAS-BOT-BC336945  Acer negundo var. californicum Peter Rubtzoff 1951-9-2 715 Sonoma Pitkin Marsh near Forestville, south of the Upper Marsh Comment
  UC1171645  Acer negundo var. californicum H. S. Yates 1934-4-21 3809 Sonoma near Markham; Duncan's Mills Quad., near Markham 15 Comment
  UC971946  Acer negundo var. californicum Martha Meagher 1947-3-22 99 Sonoma county road one-half mi w Freezeout Creek (across Russian River from Duncan's Mills); Russina River, w of Freezeout Creek Comment
  NY149868  Achillea arenicola A. A. Heller 1902-5-27 5608 Sonoma Bodega Bay Comment
  CAS-BOT-BC30085  Achillea millefolium Alice Eastwood 1915-6-29 4805 Sonoma Bodega Point Comment
  CAS-BOT-BC30449  Achillea millefolium John Thomas Howell 1938-7-3 13958 Sonoma Pitkin Marsh Comment
  UCD128330  Achillea millefolium G. V. Morejohn 1954-5-23 36 Sonoma at roadside, between Petaluma and Dillon Beach. Comment
  CAS-BOT-BC182760  Achyrachaena mollis Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7389 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  JEPS77868  Achyrachaena mollis Robert M. Lloyd 1965-5-8 3631 Sonoma 3 mi n on highway 12 Aqua Caliente Road; Lawerence Triangle End Garage Comment
  CAS-BOT-BC29161  Achyrachaena mollis Mrs. H. C. Cantelow 1936-5-3 1248 Sonoma Near Shellville Comment
  UCD38482  Acmispon Beecher Crampton 1955-6-17 2967 Sonoma Fort Ross. Comment
  UCD103779  Acmispon americanus var. americanus Frederica Bowcutt 1994-5-21 1801 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. Along meadow trail, approx. 1/4 mile from trailhead. 1300 Comment
  UC635414  Actaea rubra H. L. Mason 1928-7-11 4891 Sonoma canyon 2 mi. n. Fort Ross Comment
  CAS-BOT-BC29846  Adenocaulon bicolor Volney Rattan 1877-1-1 s.n. Sonoma Guerneville Comment
  CHSC26308  Adiantum aleuticum P. Kunst 1977-4-12 24 Sonoma Ca. 2 yd n of Coleman Valley Creek and 2.7 mi w of Occidental. 219 Comment
  UCD137173  Adiantum aleuticum Mary M. Hektner 1975-6-3 203 Sonoma Unit 35-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  JEPS82260  Adiantum capillus-veneris Roger Raiche 1983-6-25 30423 Sonoma ca 1 mi w Laton Mine (headwaters of Austin Creek, The Cedars) 365 Comment
  UC1193407  Adiantum jordanii P. Zinke 1950-4-25 113 Sonoma Oat Valley; Quadrangle 61A4 182 Comment
  CDA1676  Aegilops triuncialis T. C. Fuller 1960-6-14 4485 Sonoma J. Black Ranch, River Road, ca. 6 miles E/ Cloverdale. 0 Comment
  RSA232868  Aesculus californica L. S. Rose 1968-6-25 68116 Sonoma Rincon Valley, Brush Creek, NE of Santa Rosa. 122 Comment
  UCD117143  Aesculus californica Frederica Bowcutt 1997-7-18 2175 Sonoma Sugarloaf Ridge State Park, about 50 air miles north of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Just south of midpoint between Mt. Hood and Red Mountain. Road on ridge west of Bear Creek. 365 Comment
  CAS-BOT-BC202705  Aesculus californica Elsa Ruckert 1960-5-15 152 Sonoma Corner of Wall Road and Dry Creek Road, 5 miles W from Highway 12 365 Comment
  CAS-BOT-BC15400  Agoseris grandiflora var. grandiflora Peter Rubtzoff 1952-6-3 1172 Sonoma Fitch Mtn. Grove near Healdsburg Comment
  UCD158808  Agoseris heterophylla James A. Neilson Jr. 1974-3-27 2943 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC13169  Agoseris hirsuta A. A. Heller 1902-6-2 5632 Sonoma Santa Rosa Comment
  UC1041088  Agoseris hirsuta J. W. Congdon 1880-5-23 Sonoma Petaluma Comment
  UCD128662  Agoseris retrorsa Gerry North 1993-4 53 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. On Bald Mountain Trail 0.5 mile above fork of Bald Mountain and Meadow trails. 457 Comment
  CAS-BOT-BC210000  Agrostis Peter Rubtzoff 1964-6-24 5368 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC210011  Agrostis Peter Rubtzoff 1968-7-13 5918 Sonoma Upper Salmon Creek Marsh Comment
  RSA785905  Agrostis Peter Rubtzoff 1967-8-22 5855 Sonoma SE of Lower Salmon Creek Marsh Comment
  RSA785907  Agrostis Peter Rubtzoff 1977-9-4 9130 Sonoma Cunningham Marsh area. Ca 1 air mile WSW of Cunningham Station Comment
  UCD166331  Agrostis Peter Rubtzoff 1968-6-19 5889 Sonoma Forest Hills (5.5 miles E of Guerneville). Comment
  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
  UCD51839  Agrostis blasdalei Beecher Crampton 1957-7-22 4390 Sonoma above Stillwater Cove, State Hwy. 1, 11.1 miles south Stewart's Point. Comment
  CAS-BOT-BC127484  Agrostis capillaris Milo S. Baker 1944-7-29 10878 Sonoma Brookside Garden, near Kenwood. Comment
  UCD51885  Agrostis densiflora Beecher Crampton 1957-7-22 4367 Sonoma 0.3 mile south of Stewart's Point, above Fisherman's Bay. Comment
  UCD32829  Agrostis exarata Beecher Crampton 1964-8-18 7150 Sonoma N.E. Sonoma County, The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/4 mile east of Geyser Resort area, Big Sulfer Creek. Comment
  UCD52223  Agrostis exarata var. pacifica Beecher Crampton 1957-7-22 4380 Sonoma State Hwy. 1, 8.7 miles south of Stewart's Point. Comment
  CAS-BOT-BC139556  Agrostis gigantea Peter Rubtzoff 1951-7-21 514 Sonoma Pitkin Marsh, near Forestville. Between the Upper and the Lower Marshes. Comment
  CAS-BOT-BC139550  Agrostis gigantea David L. Morgan 1955-7-18 s.n. Sonoma 5th Street, Petaluma. Comment
  UC76872  Agrostis hallii Michener and Bioletti 1892-7-5 2256 a Sonoma Skaggs Springs Comment
  UCD52712  Agrostis hallii Beecher Crampton 1957-7-11 4299 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD53044  Agrostis microphylla Freed W. Hoffman 1947-4-10 1944 Sonoma Vernal pool at The Geysers. Comment
  CAS-BOT-BC138919  Agrostis pallens G. DeNevers 1981-5-30 1402 Sonoma Pepperwood Ranch. 1st Canyons cutting EW on the E slope of Horse Hill. Comment
  CDA31307  Agrostis pallens D. G. Kelch, Ed Biffin 2010-5-3 10 .214 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  UCD53074  Agrostis pallens Beecher Crampton 1955-6-17 2976 Sonoma 2.4 miles south of Monte Rio. Comment
  CAS-BOT-BC138596  Agrostis stolonifera Peter Rubtzoff 1951-7-8 388 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC138597  Agrostis stolonifera John Thomas Howell 1947-6-26 23302 Sonoma Cunningham Marsh. Comment
  UCD53463  Agrostis stolonifera P. B. Kennedy 1917-8-27 s.n. Sonoma Del Mar, in experimental field. Comment
  UCD55696  Aira caryophyllea Beecher Crampton 1957-7-11 4293 Sonoma Roadbank along State Hwy. 1, 1.4 miles southeast of Bodega Bay. Comment
  CAS-BOT-BC138390  Aira caryophyllea var. capillaris L. R. Abrams 1918-4-27 6903 Sonoma Independence School near Healdsburg. Comment
  CAS-BOT-BC138389  Aira caryophyllea var. capillaris G. DeNevers 1981-5-5 945 Sonoma Pepperwood Ranch. Hansel's cow pasture. On the trail across the driveway to the Pippindale Garden. Comment
  RSA128795  Aira elegans P. H. Raven 1950-4-23 1913 Sonoma Open wet grassy meadows, Solve quisty. Comment
  RSA790058  Alisma Peter Rubtzoff 1965-6-20 5558 Sonoma Petaluma Creek, 4 miles northeast of Petaluma (on Stoney Point Road). Comment
  UCD137911  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-BC173649  Alisma lanceolatum Peter Rubtzoff 1968-8-31 5953 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville Comment
  CAS-BOT-BC445374  Alisma plantago-aquatica W. W. Carruth 1901-6-1 s.n. Sonoma Near Windsor and Alvarado. Comment
  CAS-BOT-BC445465  Alisma triviale Peter Rubtzoff 1958-8-16 3874 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road). Comment
  CAS-BOT-BC445468  Alisma triviale Peter Rubtzoff 1963-7-14 5199 Sonoma Laguna de Santa Rosa east of Graton. Comment
  SEINET11764780  Alisma triviale W. Knight, Knight, I. 1984-1 6352 Sonoma Wallow Brook between Corona Road and Redwood Highway 8 Comment
  UCD137982  Alisma triviale Peter Rubtzoff 1962-9-9 5076 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC461068  Allium amplectens Alice Eastwood 1915-6-5 4607 Sonoma Petrified Forest Comment
  CAS-BOT-BC462381  Allium amplectens Milo S. Baker 1927-6-10 2211 a Sonoma Macartney Woods Comment
  UC584213  Allium dichlamydeum David D. Keck and J. Clausen 1935-6-15 3366 Sonoma 1 mi n Salmon Creek (bluff above ocean) Comment
  SDSU11569  Allium dichlamydeum D. F. Howe 1963-7-2 3716 Sonoma Seabluff 4.2 miles north of Junction with #12 on #1 Comment
  SEINET5502059 Image available Allium dichlamydeum Sally Walker 1982-1 s.n. Sonoma Duncans landing Comment
  CAS-BOT-BC474313  Allium unifolium Greg de Nevers 1992-4-29 10127 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. In streambed above Rogers 475 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-BC474314  Allium unifolium G. DeNevers 1981-5-9 1073 Sonoma In the Oak Woodland Canyon between the two streams draining to the Redwood Canyon Comment
  CAS-BOT-BC451307  Allotropa virgata Greg de Nevers 1991-6-22 9752 Sonoma Pepperwood Natural Preserve., 33450 Franz Valley Road 475 Comment
  CAS-BOT-BC251179  Alnus Peter Rubtzoff 1969-7-21 6118 Sonoma Duncan Mills Marsh. Comment
  UCD166480  Alnus rhombifolia Peter Rubtzoff 1960-9-15 4549 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  RSA800594  Alnus rubra Peter Rubtzoff 1969-7-21 6118 Sonoma Duncan Mills Marsh. Comment
  CAS-BOT-BC138043  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1955-8-13 2045 Sonoma Duncans Mills Marsh. 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
  JEPS68433  Alopecurus saccatus R. Kuhn 1913-4-15 Sonoma Sonoma Comment
  CAS-BOT-BC55540  Ambrosia psilostachya M. K. Bellue 1938-6-1 s.n. Sonoma Near Santa Rosa Comment
  RSA177975  Amelanchier pallida Robert F. Thorne 1965-4-19 34302 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  CAS-BOT-BC135666  Amelanchier utahensis A. A. Heller 1903-4-24 6617 Sonoma Woods near Cazadero Comment
  CAS-BOT-BC135667  Amelanchier utahensis A. A. Heller 1903-4-24 6617 Sonoma Woods near Cazadero Comment
  UC466778  Amelanchier utahensis H. P. Chandler 1907-4-27 7546 Sonoma St. Helena to Santa Rosa via Spring Mt. Comment
  CAS-BOT-BC26834  Amsinckia hispidula Alice Eastwood 1915-6-5 4582 Sonoma Petrified Forest Comment
  POM71550  Amsinckia intermedia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan Mills. Comment
  SD41402  Amsinckia spectabilis Edith A. Purer 1932-7-21 Sonoma Bodega Bay Comment
  CDA36951  Anagallis arvensis CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  SD41476  Anagallis arvensis Edith A. Purer 1932-7-21 4052 Sonoma Bodega Bay, sea bluff Comment
  UCD117445  Anagallis arvensis Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 32 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET11993493  Anagallis arvensis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -172 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 485 Comment
  POM188278  Andropogon glomeratus Marcus E. Jones 1931-7-5 92909 Sonoma The Geysers. Comment
  CDA38226  Angelica hendersonii T. C. Fuller 1957-9-24 398 -57 Sonoma Stewarts Point. 0 Comment
  UCD127228  Angelica hendersonii Mary M. Hektner; Cathy Hendel 1974-7-25 175 Sonoma Shell Beach; Unit 28 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS13153  Anthemis cotula M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 241 Sonoma near Guerneville; Russian River Comment
  RSA293047  Anthemis fuscata Reino Alava 1957-3-23 524 Sonoma Along the State Highway no. 101 at Asti Comment
  RSA47832  Anthoxanthum aristatum L. Beane, Lois E. James 1949-5-11 1942 Sonoma About half way between Healdsburg and Windsor Comment
  UC589907  Anthoxanthum aristatum Milo S. Baker April 1936 Sonoma n of Windsor ( Healdsburg); Healdsburg Comment
  CAS-BOT-BC137693  Anthoxanthum odoratum John H. Thomas 1976-6-16 18340 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala. 30 Comment
  CAS-BOT-BC137694  Anthoxanthum odoratum D. M. Porter; S. H. Porter 1967-3-25 1544 Sonoma Alongside Highway 1 two miles south of Stewarts Point. Comment
  OBI57154  Antirrhinum vexillocalyculatum David J. Keil, with V. L. Holland, L. D. Oyler, G. F. Hrusa, G. L. Stebbins, et al. 1994-6-5 24499 Sonoma Along east side of Bohemian Highway opposite Camp Meeker Comment
  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
  JEPS82255  Antirrhinum vexillocalyculatum subsp. breweri Roger Raiche 1983-8-6 30583 Sonoma headwaters (creek has no name) of Austin Creek (the Cedars) 457 Comment
  JEPS83374  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum David M. Thompson 1983-6-13 329 Sonoma e side Fitch Mt. (just s of resort area on e side, Healdsburg); Healdsburg, Healdsburg Quad. (7.5', 1955) 45 Comment
  UC421606  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum John Thomas Howell 1929-6-30 4319 Sonoma 4 mi from Petrified Forest (on road to Knights Valley) Comment
  CAS-BOT-BC361282  Apiastrum angustifolium Greg de Nevers 1997-4-16 10934 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  POM133220  Apiastrum angustifolium C. F. Baker 1892-1 s.n. Sonoma [Unspecified] Comment
  SEINET7067343  Apocynum cannabinum A. G. Vestal 1947-5-16 s.n. Sonoma About 6.7 miles east of Windsor on Porter Creek Road. Coordinate datum: NAD27. UTM Zone 10, 526145mE, 4266921mN. Comment
  POM77224  Arbutus menziesii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  SEINET11996993  Arbutus menziesii F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -244 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  RSA629210  Arctostaphylos Jon E. Keeley 1993-9-11 24790 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1042348  Arctostaphylos Lewis S. Rose 1955-2-14 55000 Sonoma Forestville 22 Comment
  UC1388360  Arctostaphylos X candidissima Freed W. Hoffman 1948-5-10 2677 Sonoma e face North Coast Ranges, Cobb Mt. 1219 Comment
  CAS-BOT-BC24087  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10954 Sonoma 2 miles east of Occidental Comment
  UC1120875  Arctostaphylos bakeri C. M. Belshaw 1936-3-7 1552 Sonoma 1 mi ne Occidental; Sebastopol Quadrangle Comment
  UC1120877  Arctostaphylos bakeri A. E. Wieslander 1936-9-19 707 Sonoma 1 mi nw Occidental; Sebastopol Quadrangle Comment
  UCD50405  Arctostaphylos bakeri Freed W. Hoffman 1948-4-1 2753 Sonoma Dutch Bill Creek near Camp Meeker. Comment
  CDA38594  Arctostaphylos bakeri Jim Jokerst 1989-4-13 3094 Sonoma S side of Graton Rd. 1.2 mi E of junction with Fuscondini Rd., 2 mi E of Occidental, W of Santa Rosa. Comment
  SBBG28818  Arctostaphylos bakeri subsp. bakeri L. S. Rose 1934-2-22 34032 Sonoma 2 mi E of Occidental Comment
  UCD59423  Arctostaphylos bakeri subsp. bakeri Roger Raiche 1983-9-20 RR 30723 Sonoma Graton Road near intersection with Tanuda Road (east of Occidental). Comment
  CDA42379  Arctostaphylos canescens D. G. Kelch, D. A. Weinstein 2013-1-5 13 .001 Sonoma 3 km east of Sonoma; On ridge between Lovall Valley and Castle Rds. Comment
  SEINET2028740 Image available Arctostaphylos canescens H. F. Copeland 1933-3-18 A 12 Sonoma Rincon Ridge, north of Santa Rose Comment
  UCD160915  Arctostaphylos canescens James A. Neilson Jr. 1975-7-31 2951 Sonoma Mayacmas Mountains. One-quarter mile southwest of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 731 Comment
  UCSB4717  Arctostaphylos canescens Keator, Glenn 1959-4-2 Sonoma Mt. St. Helena, 9.1 miles north of Calistoga 762 Comment
  SBBG119552  Arctostaphylos canescens subsp. canescens C. Bornstein, E. Collins 2006-8-24 Sonoma Park Gardens Drive, Rincon Ridge Comment
  UC1388355  Arctostaphylos canescens subsp. canescens Freed W. Hoffman 1946-8-20 868 Sonoma at quarry North Coast Ranges, Napa Range (Trinity Road, w slope of range) Comment
  CAS-BOT-BC23885  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12894 Sonoma Rincon Ridge NE of Santa Rosa Comment
  OBI14518  Arctostaphylos canescens subsp. sonomensis Robert F. Hoover 1963-1-12 23023 Sonoma Rincon Ridge Comment
  RSA13417  Arctostaphylos canescens subsp. sonomensis H. F. Copeland 1933-3-18 A 12 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  RSA40093  Arctostaphylos canescens subsp. sonomensis L. S. Rose 1948-1-17 48002 Sonoma Rincon Ridge, east of Sonoma. 152 Comment
  UC1120078  Arctostaphylos canescens subsp. sonomensis C. M. Belshaw 1936-3-8 1576 Sonoma 3/4 mi sw County Farm; Santa Rosa Quadrangle, Rincon Ridge Comment
  CAS-BOT-BC24978  Arctostaphylos densiflora J. Sigg; Elizabeth McClintock; Walter Knight; Irja Knight 1981-3-11 4078 Sonoma Originally collected in Vine Hill District, near Sebastopol. Comment
  CAS-BOT-BC24989  Arctostaphylos densiflora John Thomas Howell 1931-3-14 5768 Sonoma Vine Hill District, 10 mi. W of Santa Rosa. Comment
  CAS-BOT-BC24991  Arctostaphylos densiflora M. S. Baker 1928-4-18 5045 Sonoma Near Vine Hill Schoolhouse. Comment
  JEPS83500  Arctostaphylos densiflora Jack and Betty Guggolz 1986-2-22 848 Sonoma above extrapolated (Spanish land grant) (n side of Vine Hill School Rd); Cal. Native Plant Soc. reserve Comment
  POM204431  Arctostaphylos densiflora J. T. Howell 1931-3-14 5770 Sonoma Vine Hill District Comment
  RSA31996  Arctostaphylos densiflora A. A. Heller 1942-3-15 16398 Sonoma just west of Vine Hill School Comment
  SBBG28862  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma near Vine Hill School House Comment
  UC1120148  Arctostaphylos densiflora C. M. Belshaw 1936-3-7 1567 Sonoma Vine Hill Sebastopol Quadrangle Comment
  UC535026  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma near Vine Hill School House (some hundreds of yds e from type locality) Comment
  UC876398  Arctostaphylos densiflora Milo S. Baker 1933-3-18 7330 Sonoma near Vine Hill School House (10 mi w of Santa Rosa) Comment
  UCD50804  Arctostaphylos densiflora L. Whitney 1932-4-1 Sonoma Santa Rosa. Vine Hill. Comment
  UCD166542  Arctostaphylos glandulosa Dylan O. Burge 2016-2-16 2043 Sonoma Hooker Creek watershed. 520 Comment
  JEPS98886  Arctostaphylos glandulosa subsp. cushingiana James Roof 1967-3-19 Sonoma W of Healdsburg (Dorman Canyon Road); Dry Creek watershed Comment
  UC535029  Arctostaphylos glandulosa subsp. glandulosa H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Rd about 8 mi e Santa Rosa Comment
  UC549398  Arctostaphylos glandulosa subsp. glandulosa J. E. Adams 1934-3-28 728 Sonoma five mi from Seaview (Cazadero Road) Comment
  RSA339396  Arctostaphylos glandulosa subsp. glandulosa Roger Raiche 1985-9-30 RR- 50905 Sonoma Santa Rosa, Parker Hill near end of Parker Hill Road. 244 Comment
  CDA31299  Arctostaphylos glandulosa var. cushingiana D. G. Kelch, Ed Biffin 2010-5-3 10 .204 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  CAS-BOT-BC39107  Arctostaphylos hispidula Walter Knight; Irja Knight; Stephen W. Edwards 1985-1-27 5174 Sonoma 7.7 miles from west end of Sonoma Lake bridge on Rockpile Road. Comment
  SEINET11993014  Arctostaphylos hispidula W. Knight, Knight, I.; Edwards, S. W. 1985-1 5174 Sonoma 7.7 mi from W end of Sonoma Lake bridge on Rockpile Road, about 100 yards W of road Comment
  SEINET11993016  Arctostaphylos hispidula W. Knight, Knight, I.; Edwards, S. W. 1985-1 5172 Sonoma S of Mt. Tom, 5.1 mi W of Kelly Road from Rockpile Road junction 610 Comment
  CAS-BOT-BC38985  Arctostaphylos manzanita Roger Raiche 1983-7-6 30585 B Sonoma In chaparral on serpentinite soil near old mine building, Layton Mine, Austin Creek, The Cedars. Comment
  RSA633055  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27493 Sonoma Highway 116 west of intersection with Occidental Road, west of Sabastopol. 75 Comment
  RSA633057  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27492 Sonoma Highway 116 west of intersection with Occidental Road, west of Sabastopol. 75 Comment
  RSA633060  Arctostaphylos manzanita Jon E. Keeley 1993-9-11 24711 Sonoma Along Calistoga Road, 19 km southwest of Highway 128. 220 Comment
  UCD160759  Arctostaphylos manzanita James A. Neilson Jr.; Teresa A. Sholars 1974-6-6 3258 Sonoma Mayacmas Mountains, ca. 3.5 miles west of Glenbrook and Bottle Rock Road., vicinity of Caldwell Pines. (Elevation and coordinates estimated by label maker.) 975 Comment
  SEINET11990972  Arctostaphylos manzanita Unknown 1983-1 30489 Sonoma ridge is eastern end of Rocky Mt. Ridge W of Blue Rock between Gray Creek to S & Devils Creek to N 305 Comment
  SEINET11990979  Arctostaphylos manzanita Unknown 1983-1 30476 Sonoma near Redwood Lake, East Austin Creek State Recreation Area 366 Comment
  SEINET11990994  Arctostaphylos manzanita R. Raiche, Edwards, S. W. 1983-1 100 Sonoma The Cedars, W of ridge on Twitchell property 274 Comment
  SEINET11993022  Arctostaphylos manzanita W. Knight, Knight, T. 1985-1 5176 Sonoma Lovers' Leap area of John Joost Ranch on Calistoga Road between St. Helena Rd & Porter Creek Rd Comment
  OBI70632  Arctostaphylos manzanita subsp. glaucescens Larry E. Brown 1997-8-12 20797 Sonoma E of hwy 101 off of village ofAsti S of Cloverdale Comment
  CAS-BOT-BC38680  Arctostaphylos manzanita subsp. manzanita Roger Raiche 1983-7-31 30585 Sonoma Austin Creek State Recreation Area, North slope Morrison Ridge, above Thompson Creek. 274 Comment
  CAS-BOT-BC38686  Arctostaphylos manzanita subsp. manzanita R. F. Hoover 1963-1-12 8548 Sonoma Trinity Road, Hoods Peak Range Comment
  CAS-BOT-BC38700  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 10 Sonoma Vine Hill region, west of Santa Rosa Comment
  CAS-BOT-BC38706  Arctostaphylos manzanita subsp. manzanita G. DeNevers 1981-11-20 1883 Sonoma In the Garrison Canyon Comment
  CAS-BOT-BC38718  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1931-3-14 5775 Sonoma Vine Hill district, 10 miles west of Santa Rosa Comment
  CAS-BOT-BC38750  Arctostaphylos manzanita subsp. manzanita Lewis S. Rose 1955-2-28 55007 Sonoma 2 mi. w. of Graton, road to Occidental 121 Comment
  CDA33697  Arctostaphylos manzanita subsp. manzanita D. G. Kelch, D. A. Weinstein 2010-12-1 10 .45 Sonoma Near old Buena Vista Estate ~3 km E of Sonoma. Comment
  RSA13422  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa. Comment
  UC1220421  Arctostaphylos manzanita subsp. manzanita B. F. Smith 1962-11-30 32 Sonoma 1/2 mi e summit; Quad 60D2, Mt. St. Helena 1219 Comment
  SEINET11994911  Arctostaphylos manzanita subsp. manzanita W. Knight, Knight, I. 1987-1 6084 Sonoma Pepperwood Preserve, Garrison Canyon 122 Comment
  CAS-BOT-BC47301  Arctostaphylos stanfordiana H. F. Copeland 1933-3-18 A 11 Sonoma Spring Mountain Rd., about 8 mi. e. of Santa Rosa. Comment
  CAS-BOT-BC47331  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1963-9-1 259 Sonoma Pine Mt. Rd. NE of Cloverdale. Harold Smith Ranch. Comment
  CAS-BOT-BC47342  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5765 Sonoma Rincon Ridge near Santa Rosa. Comment
  CDA11143  Arctostaphylos stanfordiana G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11554 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
  JEPS98844  Arctostaphylos stanfordiana unknown 1967-3-19 Sonoma W of Healdsburg (on Dorman Canyon Rd); Dry Creek Watershed Comment
  JEPS98851  Arctostaphylos stanfordiana James B. Roof 1963-2-28 Sonoma Mt. St. Helena 868 Comment
  RSA636810  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24754 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1093994  Arctostaphylos stanfordiana Lewis S. Rose 1955-2-28 55009 Sonoma 2 mi w Graton 121 Comment
  UC1388314  Arctostaphylos stanfordiana Freed W. Hoffman 1946-8-20 867 Sonoma Trinity Rd at quarry; North Coast Ranges, western slope of Napa Range Comment
  UCD53849  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 688 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road; 3.1 miles east of junction with State Highway 12. Comment
  SFV8789  Arctostaphylos stanfordiana S. E. Wheaton 1966-3-27 28 Sonoma On low ridge overlooking Hooker Canyon near Cavedale Road. Comment
  SD125798  Arctostaphylos stanfordiana subsp. bakeri Lewis S. Rose 1970-2-27 70008 Sonoma Type locality, 2 mi. E of Occidental 185 Comment
  JEPS95231  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  UC1520696  Arctostaphylos stanfordiana subsp. decumbens R. Raiche 1985-2-3 50041 Sonoma unnamed ridge on w side Dry Creek Valley (n of Crane Creek and s of Bradford Mt.) 182 Comment
  SEINET11995501  Arctostaphylos stanfordiana var. repens W. Knight, Knight, I.; Edwards, S. 1985-1 6051 Sonoma Chapman Branch of Crane Creek, near Dorman Canyon 265 Comment
  UC549531  Arctostaphylos uva-ursi J. E. Adams 1934-3-28 747 Sonoma 1 mi s McNamees Store Comment
  RSA364239  Arctostaphylos viscida subsp. pulchella Walter Knight, Irja Knight, Steve Edwards, B. K. Knight 1986-4-20 5363 Sonoma Along trail to Sulphur Peak, east of Geyserville. 976 Comment
  CAS-BOT-BC47464  Arctostaphylos viscida subsp. viscida Irja Knight; Walter Knight; Tiffany Knight; Dr. Steve Edwards 1985-7-21 5210 Sonoma Red Hill on Pine Flat Road 653 Comment
  SBBG87643  Arctostaphylos viscida subsp. viscida L. F. LaPre 1986-3-30 Sonoma Socrates Mine, ca. 9 mi ENE of Geyserville 914 Comment
  UCR44931  Arenaria douglasii L. F. LaPre 1986-6-2 s.n. Sonoma Red Slide, serpentine rockslide along upper East Austin Creek, 5 mi north of Cazadero, 3 mi up a private road from Mannings Flats, Austin Creek State Recreation Area 305 Comment
  SEINET9291368  Armeria maritima Unknown 1994-5-25 Sonoma Bodega Head Comment
  CAS-BOT-BC64590  Armeria maritima subsp. californica John H. Thomas 1976-6-15 18288 Sonoma S. end of the Sea Ranch, northwestern part of county, about 7 mi. s. of Gualala. 30 Comment
  RSA262356  Armeria maritima subsp. californica Steven Yoder 1969-5-24 29 Sonoma 1 mile N of Bodega Marine Lab. 9 Comment
  UC445109  Armeria maritima subsp. californica Katharine Brandegee June 1905 Sonoma Bodega Comment
  JEPS35855  Arnica discoidea M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma between Guerneville and Monte Rio Russian River Comment
  UCR255670  Arnica discoidea Greg de Nevers 1998-6-15 11285 Sonoma CYO Camp on Bohemian Highway [2136 Bohemian Hwy, Occidental] 99 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
  UCD56032  Arrhenatherum elatius David L. Morgan 1956-6-10 s.n. Sonoma 2 miles south of Occidental. On Bohemian Highway. Comment
  CAS-BOT-BC175852  Artemisia Peter Rubtzoff 1953-11-1 1435 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC90497  Artemisia douglasiana Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5856 Sonoma Llano Road near sewage disposal plant at edge of Laguna de Santa Rosa 45 Comment
  RSA791570  Artemisia douglasiana Peter Rubtzoff 1973-8-31 7292 Sonoma Upper Green Valley Marsh area. Comment
  POM31359  Artemisia suksdorfii Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  RSA0057977  Arum italicum Greg de Nevers 1998-5-20 11254 Sonoma Mark West Creek on Cresta Ranch. Comment
  UCD160016  Asclepias cordifolia James A. Neilson Jr.; Teresa A. Sholars 1975-3-27 3293 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 miles west of Glenbrook and Bottle Rock Road. (Elevation and coordinates estimated by label maker.) 975 Comment
  UC1299580  Asclepias solanoana Freed W. Hoffman 1947-5-30 549 Sonoma Layton Mine; North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC68781  Aspidotis densa D. E. Breedlove 1980-6-28 44806 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC42606  Aspidotis densa unknown 1893-3-12 Sonoma Sonoma Comment
  UCD158841  Aspidotis densa James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2914 Sonoma North central part of Section 15, 0.25 mile south of Harness Camp and 2 miles west of The Geysers . (Elevation estimated by label maker using Google Earth.) 723 Comment
  UC574627  Astragalus breweri W. H. Brewer 979 Sonoma Fields in Sonoma Valley Comment
  CAS-BOT-BC178659  Astragalus claranus R. C. Barneby 1954-4-30 11238 Sonoma Open grassy hills in shallow volcanic clay soil, 7 mi. n.e. of Santa Rosa, near Alpine School 167 Comment
  CAS-BOT-BC186821  Astragalus gambelianus Helen D. Geis 1902-8-1 s.n. Sonoma Pluton Creek Bed Comment
  CAS-BOT-BC66153  Athyrium filix-femina var. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  SEINET3148002  Athysanus pusillus M. S. Baker 1898-3-26 733 Sonoma Hills near McDonald Reservoir Comment
  CAS-BOT-BC304422  Atriplex Peter Rubtzoff 1956-9-14 2880 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UC604106  Atriplex leucophylla Milo S. Baker 1938-6-6 9016 Sonoma beach Salmon Creek Comment
  CAS-BOT-BC68344  Azolla filiculoides Peter Rubtzoff 1960-5-29 4424 Sonoma Laguna de Santa Rosa near Trenton (south of Woolsey Road). Comment
  UC727746  Baccharis glutinosa Milo S. Baker 1946-7-28 11539 Sonoma Sear's Point Highway Comment
  SEINET11839688  Baccharis pilularis subsp. consanguinea W. Knight, Knight, I. 1981-1 3966 Sonoma 2.3 mi up Cavedale Rd from jct of CA 12 Comment
  CAS-BOT-BC173596  Barbarea Peter Rubtzoff 1989-4-20 9989 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC16693  Barbarea orthoceras A. A. Heller; H. E. Brown 1902-3-20 5106 Sonoma Near Windsor. 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
  CDA13125  Beckmannia syzigachne G. F. Hrusa, R. Gross 1996-6-3 13060 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  POM210240  Beckmannia syzigachne H. P. Bracelin 1930-7-27 20 Sonoma One mile N. of Fort Ross. Comment
  UC573779  Beckmannia syzigachne H. S. Yates 1937-6-5 6576 Sonoma near Wildwood; Santa Rosa Quadrangle 121 Comment
  SEINET10967575  Beckmannia syzigachne H. P. Bracelin 1930-7-27 Bracelin 20 Sonoma On Redwood slope. One mile north of Fort Ross. Comment
  CAS-BOT-BC106392  Bellis perennis Mildred Parks 1925-7-20 s.n. Sonoma Stewart's Point Comment
  UCR248911  Bidens frondosa Peter Rubtzoff 1968-9-21 5984 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  UCR248966  Bidens frondosa Peter Rubtzoff 1956-9-15 2905 Sonoma Atascadero Creek Marsh Comment
  UC1250299  Blennosperma bakeri Robin W. Thorp 1964-3-15 Sonoma about 5 mi s of El Verano Comment
  UC963901 Image available Blennosperma bakeri Milo S. Baker 1946-3-28 11307 Sonoma western outskirts of Sonoma in a hog wallow Sonoma Comment
  RSA0008302  Blennosperma bakeri Milo S. Baker 1952-3-20 12393 Sonoma Western outskirts of Sonoma on 5th St. between Bettencourt and McArthur. Comment
  OBI48606  Blennosperma nanum Michener and Bioletti, Bioletti April 1893 Sonoma Kenwood Comment
  UC727776  Blennosperma nanum var. nanum Milo S. Baker 1946-4-21 11335 Sonoma near, along S.R.-Sonoma Hiwy. Old Dunbar School Comment
  CAS-BOT-BC154963  Boisduvalia Peter Rubtzoff; Nancy Harrison; Ruth Hass 1974-8-31 7850 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC154871  Boisduvalia densiflora Peter Rubtzoff 1961-6-23 4644 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC154970  Boisduvalia densiflora Peter Rubtzoff 1955-8-27 2094 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC164391  Boisduvalia glabella Peter Rubtzoff 1958-8-31 3959 Sonoma Atascadero Creek Marsh Comment
  UC56354  Bolboschoenus maritimus J. Burtt Davy 1897-9-19 4054 Sonoma Petaluma. Comment
  CAS-BOT-BC31354  Bolboschoenus robustus Walter Knight; Irja Knight 1963-9-29 235 Sonoma Along Lakeville Highway under freeway overpass in salt water. Petaluma. Comment
  UCR256116  Boykinia elata Greg de Nevers 1996-6-10 10830 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  POM142187  Boykinia occidentalis A. A. Heller 1902-6-26 5772 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC145444  Brachypodium distachyon G. DeNevers 1981-5-15 1188 Sonoma Pepperwood Ranch. On the ridge above Hansel's Lake, in a roadcut. Comment
  RSA54043  Brachypodium distachyon J. T. Howell 1948-4-18 24214 Sonoma Hills east of Agua Caliente. Comment
  UCD57095  Brachypodium distachyon Frederica Bowcutt 1996-5-23 2151 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 1 air mile south of Red Mountain. Lower Bald Mountain Trail. 472 Comment
  UCD56891  Brachypodium phoenicoides R. C. Morehouse 1937-8-23 s.n. Sonoma Sample plot one mile west of Bloom field. East of Valley Ford. Comment
  CAS-BOT-BC157983  Brassicaceae Peter Rubtzoff 1972-4-23 6737 Sonoma Vernal pool, 4.25 miles W of Glen Ellen on Bennett Valley Road Comment
  CHSC8187  Briza maxima K. Henegar 1969-5-10 42 Sonoma Near Salmon Creek, 1/2 m n of Bodega Bay. Comment
  UC1010994  Briza maxima Virginia Bufford 1936-5-1 192 Sonoma near Monte Rio Comment
  SEINET12049904  Brodiaea californica subsp. leptandra Unknown 1985-1 50553 Sonoma W side of Dry Cr. Valley, W of town of Dry Creek, unnamed ridge N of Crane Creek & S of Bradford Mt. 162 Comment
  UCD150146  Brodiaea coronaria 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
  UCD151303  Brodiaea elegans subsp. elegans James A. Neilson Jr. 1974-7-25 3032 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 Comment
  UCD161243  Brodiaea elegans subsp. elegans James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3707 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-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
  JEPS7714  Brodiaea terrestris subsp. terrestris P. B. Kennedy 1919-5-16 Sonoma Del Mar Comment
  CAS-BOT-BC486463  Brodiaea terrestris subsp. terrestris A. A. Heller 1940-5-10 15602 Sonoma Near the ocean north of Fort Ross. Comment
  CAS-BOT-BC486464  Brodiaea terrestris subsp. terrestris Rimo Bacigalupi 1926-3-27 1251 Sonoma Meadow opposite Myrtle dale gyser 11/2 miles north of Calistoga Comment
  CAS-BOT-BC486470  Brodiaea terrestris subsp. terrestris Catherine Best 1983-6-10 s.n. Sonoma Salt Point, on bluff above the ocean Comment
  CAS-BOT-BC311835  Bromus Peter Rubtzoff 1971-5-30 6458 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC149491  Bromus arvensis Greg de Nevers 1987-6-1 8188 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 400 Comment
  UCSB50204  Bromus carinatus Gray, John 1976-5-1 Sonoma North Salmon Creek Beach T6N R11W 18 Comment
  UCD58187  Bromus carinatus David L. Morgan 1961-4-11 s.n. Sonoma Hwy. 101, 3 min. S of Petaluma. Comment
  UCD58250  Bromus carinatus Collector unknown 1941-4-1 Sonoma Santa Rosa. Franklin Ave. Comment
  UCD58257  Bromus carinatus Collector unknown 1941-3-1 Sonoma S. R. J. C. Santa Rosa. Comment
  UC1010989  Bromus carinatus var. carinatus Virginia Bufford 1936-5-19 263 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  UCSC000041  Bromus carinatus var. carinatus Charisse Bickford 1979-5-14 s.n. Sonoma 2 miles E. of Mark West Springs - Calistoga Comment
  UC1146636  Bromus carinatus var. maritimus Freed W. Hoffman 1944-7-1 1984 Sonoma North Coast Ranges, Bodega Bay Bodega Bay; North Coast Ranges, Bodega Bay Comment
  CAS-BOT-BC156276  Bromus catharticus Catherine Best 1982-6-30 s.n. Sonoma At Bodega Bay. Comment
  CAS-BOT-BC156277  Bromus catharticus G. DeNevers 1981-5-5 931 Sonoma Pepperwood Ranch. In Pippindale Garden. Alos in west arm of Garrison Canyon. Comment
  UCD36635  Bromus commutatus Beecher Crampton 1955-6-8 2829 Sonoma Sonoma County, 6 miles northwest of Calistoga, along State Highway 128. Comment
  UCR248720  Bromus diandrus Peter Rubtzoff 1964-5-31 5331 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg, along Russian River 61 Comment
  UCD58826  Bromus hordeaceus Beecher Crampton 1957-7-11 4304 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  SEINET10901199  Bromus hordeaceus A. Arthur Heller 1902-4-17 Heller 5325 Sonoma Santa Rosa. Comment
  SEINET3923003  Bromus japonicus Fred W. Hoffman 1941-7-5 2079 Sonoma Forestville, CA.; 0 Comment
  SBBG20731  Bromus laevipes M. S. Walters 1960-6-18 Sonoma ca. 1.5 mi E of Russian River bridge at Guerneville on St Hwy 12 Comment
  UCD151079  Bromus laevipes James A. Neilson Jr. 1974-6-1 3007 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area, ca. 3 1/2 mi. west of Whispering Pines, east Sonoma County. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  UC903721  Bromus madritensis subsp. rubens Milo S. Baker 1947-5-7 11724 Sonoma Hood Mountain, near Grant Line Hood Mountain 228 Comment
  RSA176936  Bromus maritimus P. H. Raven 1963-4-28 18249 Sonoma between town of Bodega and Bodega Head. Comment
  UCD36880  Bromus racemosus Beecher Crampton 1956-4-24 3309 Sonoma Sonoma County, Healdsberg, vacant lot at junction of Prince and Sherman Streets. Comment
  UCD59661  Bromus secalinus Freed W. Hoffman 1941-6-28 2068 Sonoma North Coast Ranges. Sonoma Mountain road. Comment
  UC1301003  Cakile maritima Helen K. Sharsmith 1963-5-25 5499 Sonoma just s of Bodega Harbor; San Francisco Bay Region 1 Comment
  UC604140  Cakile maritima Baker 1938-5-6 8978 Sonoma at mouth of Salmon Creek Salmon Creek Comment
  UCD114957  Cakile maritima Walter Russell 1947-3-5 4 Sonoma Bodega Bay. Comment
  CAS-BOT-BC36909  Cakile maritima var. maritima Roxana S. Ferris 1937-8-18 9370 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC185403  Calamagrostis bolanderi Mary P. Wells 1981-8-2 s.n. Sonoma Hedgegate Road, The Sea Ranch. Comment
  CAS-BOT-BC185404  Calamagrostis bolanderi Beecher Crampton 1957-7-22 4379 Sonoma State Highway 1, 8.7 miles south of Stewart's Point. Comment
  JEPS97537  Calamagrostis nutkaensis R. D. Stone 1980-11-29 326 Sonoma Northern part of the Sea Ranch development; N of Stewart's Point Comment
  UCD57506  Calamagrostis nutkaensis P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  RSA0065162  Calandrinia breweri Greg de Nevers 1997-4-24 10970 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC438602  Calandrinia ciliata Peter Rubtzoff 1954-9-4 1727 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC438606  Calandrinia ciliata Peter Rubtzoff 1952-5-10 1026 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west. Comment
  CAS-BOT-BC438607  Calandrinia ciliata Peter Rubtzoff 1952-3-23 885 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west. Comment
  UCD129661  Calendula arvensis Shirley C. Tucker 1965-2-7 s.n. Sonoma ca. 2 miles east of Sonoma. Comment
  NY370183  Callitriche heterophylla var. bolanderi C. H. Michener 1893-4-25 s.n. Sonoma Comment
  JEPS101264  Calochortus amabilis Dean W. Taylor 1994-5-4 14221 Sonoma 1.8 mi N of Camp Meeker along Bohemian Hwy; Dutch Bill Cr drainage just downstream confluence with Duvol Creek 76 Comment
  JEPS61622  Calochortus amabilis W. L. Jepson 1923-6-28 10010 Sonoma Kenwood Sonoma Canyon 243 Comment
  CAS-BOT-BC483282  Calochortus amabilis Roxana S. Ferris; Laura Lorraine 1961-6-15 13551 Sonoma Harrison Grade Road, 0.3 mile from junction with Green Valley Road Comment
  CAS-BOT-BC483286  Calochortus amabilis D. E. Breedlove 1980-6-27 44757 Sonoma Pepper wood Ranch west of Knights Valley Comment
  CAS-BOT-BC483287  Calochortus amabilis Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  POM210092  Calochortus amabilis H. E. Parks, S. T. Parks 1930-5-9 605 Sonoma Alexander Valley. Comment
  RSA377261  Calochortus amabilis Christopher Davidson 1977-6-20 6016 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  SD88413  Calochortus amabilis Darley F. Howe 1972-4-25 Sonoma Trinity Road, Mount Hood Range. 121 Comment
  CAS-BOT-BC492639  Calochortus luteus L. R. Abrams 1918-4-30 7067 Sonoma near Healdsburg Comment
  UCD139582  Calochortus tolmiei Mary M. Hektner 1975-4-30 192 A Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC672142  Calochortus uniflorus Herbert L. Mason 1928-4-13 4327 Sonoma near Petaluma Comment
  UCR255747  Calochortus uniflorus Greg de Nevers 1996-4-18 10791 Sonoma North Coast Range, Knights Valley Marsh, on Bavarian Lion Ranch 137 Comment
  CAS-BOT-BC270709  Calycadenia multiglandulosa David D. Keck 1933-11-6 2648 Sonoma 2.5 miles N of Occidental Comment
  UCD129813  Calycadenia pauciflora Gerald D. Carr 1971-8-17 640 Sonoma The Geysers. Comment
  UC89043  Calycadenia truncata Katharine Brandegee 1892-8-1 Sonoma Petrified Forest Comment
  UC89049  Calycadenia truncata Michener and Bioletti 1891-9-7 1220 a Sonoma Comment
  CAS-BOT-BC272759  Calycadenia truncata subsp. truncata Milo S. Baker 1932-10-9 6044 Sonoma Above Kenwood Sprg. South side of canyon Comment
  CAS-BOT-BC91012  Calycanthus occidentalis Roxana S. Ferris; Laura Lorraine 1961-6-15 13554 Sonoma Green Valley Road 0.8 mile east of junction with Harrison Grade Road. Comment
  JEPS40306  Calycanthus occidentalis M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 Sonoma near Guerneville (Russian River); Russian River Comment
  OBI49312  Calycanthus occidentalis Michener & Bioletti, Bioletti Jun 1893 s.n. Sonoma Hoods Peak Comment
  UC34864  Calycanthus occidentalis W. C. Blasdale 1894-5-10 Sonoma Guerneville Comment
  CAS-BOT-BC91015  Calycanthus occidentalis Helen D. Geis 1902-8-1 s.n. Sonoma Unspecified. Comment
  SEINET12094722  Calycanthus occidentalis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -232 Sonoma ca 0.1 mi W on Sonoma Mt. Rd from Bennett Valley Rd along Graham Creek, W of Glen Ellen & CA 12 75 Comment
  UC494235  Calypso bulbosa Anna E. Ehlers April 1920 532 Sonoma Cascadero, (4 mi in redwoods) Cascadero 487 Comment
  RSA0059767  Calystegia D. F. Howe 1969-5-28 s.n. Sonoma 13.5 miles north of Jenner on Highway 1. Comment
  JEPS86303  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1988-4-5 909 Sonoma North side of Ida Clayton Road 1.15 miles from its junction with Highway 128 Comment
  JEPS87231  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1989-4-23 999 Sonoma Just east of Deer Creek crossing of Pine Flat Road Comment
  CAS-BOT-BC224743  Calystegia purpurata subsp. saxicola Mary P. Wells 1981-7-2 s.n. Sonoma On road between Black Point and the Sea Ranch Lodge Comment
  CAS-BOT-BC224744  Calystegia purpurata subsp. saxicola R. K. Brummitt 1997-6-10 19682 Sonoma 1 km S of Sereno Del Mar, just S of Schoolhouse Beach 15 Comment
  UC141628 Image available Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 Sonoma Bodega Point; ; Bodega Pt., Sonoma Co. Comment
  UC140324  Calystegia subacaulis subsp. subacaulis J. W. Congdon 1880-6-13 Sonoma Petaluma. Comment
  SEINET10463934  Campanula californica Rimo Bacigalupi 1967-8-30 Bacigalupi 9312 Sonoma Pitkin Marsh, near eastern end of Templeman Road, southeast of Forestville 46 Comment
  SEINET10905986  Campanula californica Mason 1946-7-4 Mason 12894 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  SEINET10463220  Campanula prenanthoides Rowntree 1931-7-15 ROWNTREE s.n. Sonoma Stewart Peak, Skaggs Springs Road Comment
  CAS-BOT-BC37195  Capsella bursa-pastoris Walter Knight; Irja Knight 1963-10-6 490 Sonoma Petaluma. Jess Street. Comment
  HSC6631  Capsella bursa-pastoris F. Demostene 1966-4-1 1 Sonoma 2 mi. E of Healdsburg Comment
  CAS-BOT-BC37752  Cardamine californica R. H. Thompson 1880-4-1 s.n. Sonoma Near Healdsburg. Comment
  CAS-BOT-BC37761  Cardamine californica Milo S. Baker 1924-4-27 Local 104 c-24 Sonoma Coopers Grove. Comment
  CDA18771  Cardamine californica Boris Korotyaev 2000-3-28 s.n. Sonoma Northern California; Bodega Bay. 0 Comment
  CAS-BOT-BC37775  Cardamine californica Frank Walton Gould 1940-2-18 866 Sonoma Two miles north of Petaluma. 30 Comment
  JEPS46177  Cardamine californica var. integrifolia Eleanor Armstrong 1933-4-2 698 Sonoma Camp Meeker 30 Comment
  RSA177977  Cardamine californica var. integrifolia R. F. Thorne 1965-4-19 34303 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  UCD169979  Cardamine oligosperma G. F. Hrusa 1999-2-26 14925 Sonoma Foote Ranch, NW base of Mt. St. Helena, near corner of Hwy 128 and Ida Clayton Rd. 152 Comment
  UCD85586  Carduus pycnocephalus Gerry North 1993-4 43 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. South of Hillside trail, at fork by water tank. 426 Comment
  CAS-BOT-BC312704  Carex Peter Rubtzoff 1976-5-30 8558 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC422343  Carex Peter Rubtzoff 1976-5-30 8562 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC18138  Carex athrostachya Peter Rubtzoff 1954-7-4 1532 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC18147  Carex athrostachya Peter Rubtzoff 1960-5-20 4395 Sonoma Laguna de Santa Rosa east of Graton (between Occidental and Guerneville roads). Comment
  UCR208536  Carex athrostachya Peter Rubtzoff 1960-5-20 4395 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 23 Comment
  UCR248947  Carex athrostachya Peter Rubtzoff 1970-6-14 6260 Sonoma Marsh on River Road, c. 3 miles west of Fulton 27 Comment
  UCR249340  Carex barbarae Peter Rubtzoff 1955-5-21 1873 Sonoma Forestville Marsh 71 Comment
  UCR249353  Carex barbarae Peter Rubtzoff 1958-5-10 3655 Sonoma Laguna de Santa Rosa, north of Cunningham (near Todd Road) 21 Comment
  CAS-BOT-BC19372  Carex barbarae Bioletti 1893-6-1 s.n. Sonoma Los Guilicos Valley. Comment
  CAS-BOT-BC19564  Carex bolanderi J. W. Congdon 1880-6-14 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC34423  Carex cusickii Peter Rubtzoff 1951-7-14 434 Sonoma Pitkin Marsh near Forestville. Southern half of Lower Marsh. Comment
  CAS-BOT-BC18977  Carex densa John Thomas Howell 1938-7-3 13964 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC20485  Carex densa Peter Rubtzoff 1952-5-31 1122 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC20511  Carex densa Peter Rubtzoff 1957-5-11 3338 Sonoma Sonoma County Marshes. Occidental Marsh. Comment
  UCD151306  Carex densa James A. Neilson Jr. 1974-8-19 2852 Sonoma Mayacmas Mountains. Little Geysers. (Elevation estimated by label-maker using topo map.) 731 Comment
  CAS-BOT-BC18992  Carex densa M. S. Baker 1936-1-1 8196 Sonoma Near Wright School, Highway 12. 4 miles west of Santa Rosa on road to Sebastopol. Comment
  CAS-BOT-BC20242  Carex densa Peter Rubtzoff 1968-6-25 5901 Sonoma Lichau Marsh. Comment
  UCD112449  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Stony Point Marsh. Comment
  RSA0031406  Carex exsiccata Peter Rubtzoff 1955-6-26 1906 Sonoma Duncans Mills Marsh, lower portion of the marsh. Comment
  CAS-BOT-BC20137  Carex feta Peter Rubtzoff 1952-1-1 1093 Sonoma Pitkin Marhses near Forestville. Eastern Branch of the Upper Marsh. Comment
  UCR208533  Carex feta Peter Rubtzoff 1957-5-11 3328 Sonoma Occidental Marsh Comment
Read comments
Aug 27 2013
  CAS-BOT-BC20453  Carex globosa Peter Rubtzoff 1953-5-18 1400 Sonoma South of Guernville (Neeley Hill area). Comment
  CAS-BOT-BC28367  Carex gracilior Peter Rubtzoff 1954-7-20 1500 Sonoma Guerneville Marsh. Comment
  RSA52337  Carex gracilior J. T. Howell 1947-6-5 23238 Sonoma Cunningham Marsh Comment
  UCD112362  Carex gracilior Peter Rubtzoff 1954-6-20 1500 Sonoma Guerneville Marsh. Comment
  RSA51940  Carex gynodynama J. T. Howell 1947-6-5 23231 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC242644  Carex harfordii Peter Rubtzoff 1957-5-4 3306 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC320573  Carex harfordii Peter Rubtzoff 1962-6-1 4861 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC320574  Carex harfordii Peter Rubtzoff 1964-5-20 5304 Sonoma Brooks Gulch Marsh. Comment
  UC1133465  Carex harfordii H. S. Yates 1936-5-16 5622 Sonoma near Green Valley School; Sebastopol Quadrangle Comment
  UCR249356  Carex hendersonii Peter Rubtzoff 1957-6-28 3387 Sonoma Duncan Mills Marsh 2 Comment
  HSC7137  Carex lanuginosa J. T. Howell, J. W. Stacey 1937-6-6 13041 Sonoma Pitkin Marsh. Comment
  RSA94271  Carex lemmonii Peter Rubtzoff 1951-6-30 297 Sonoma Pitkin Marsh, near Forestville; western branch of the Upper Marsh Comment
  UCR248945  Carex leporina Peter Rubtzoff 1966-6-5 5758 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads 23 Comment
  CAS-BOT-BC31432  Carex leptopoda R. F. Hoover 1941-5-14 5079 Sonoma 3 mi S of Monte Rio on road to Camp Meeker. Comment
  RSA0018584  Carex leptopoda Peter Rubtzoff 1954-6-19 1495 Sonoma Guerneville Marsh. Comment
  JEPS128364  Carex mendocinensis Roger Raiche 2000-5-28 123 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this is not the name on USGS topo sheets). Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC422366  Carex nudata Peter Rubtzoff 1962-5-6 4811 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  CHSC33993  Carex nudata J. D. Prouty 1980-4-12 860 Sonoma Between Porter Creek and Porter Creek Road ca. 0.1 mi w of junction with Petrified Forest Road. 256 Comment
  CAS-BOT-BC119579  Carex nudata Helen D. Geis 1902-8-1 564 Sonoma Sulphur Cr. Comment
  RSA0022397  Carex rostrata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville Comment
  UCR248868  Carex stipata Peter Rubtzoff 1958-5-17 3679 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  RSA0020342  Carex stipata Peter Rubtzoff 1958-5-17 3679 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Rd.) Comment
  CAS-BOT-BC312703  Carex subbracteata Peter Rubtzoff 1955-5-14 1845 Sonoma Duncans Mills Marsh area above the marsh, along a western tributary of Orrs Creek. Comment
  RSA758132  Carex subbracteata Peter Rubtzoff 1958-4-26 3605 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC320500  Carex subbracteata var. subbracteata Peter Rubtzoff 1976-5-30 8564 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC115829  Carex subfusca John Thomas Howell 1947-6-5 23241 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC115830  Carex subfusca Peter Rubtzoff 1960-5-16 4346 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC115527  Carex tumulicola A. A. Heller 1902-4-17 5324 Sonoma Santa Rosa Comment
  RSA52174  Carex tumulicola J. T. Howell 1947-6-5 23239 Sonoma Cunningham Marsh Comment
  UCD140940  Carex tumulicola Gerry North 1993-4 12 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Across road from Godspeed trailhead pullout. Shaded roadcut. 228 Comment
  UC2030916  Carex utriculata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville Comment
  RSA285910  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma 1 mile W of the Asti turn off of the freeway, Hwy 101, Asti. Comment
  UCD129937  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma ca. 1 mile west of Asti turn-off of the freeway, Hwy 101, Asti. Comment
  CLARK-A1528-2182  Carthamus tinctorius John C. Roos, Lucille Roos 1956-9-2 6599 Sonoma Healdsburg Comment
  RSA664100  Carthamus tinctorius J. C. Roos, L. Roos 1956-9-2 6599 Sonoma Healdsburg dump Comment
  CAS-BOT-BC257350  Castilleja Peter Rubtzoff; Nancy Harrison 1978-5-20 9189 Sonoma Cunningham Marsh area, north side of Blucher Creek Valley. Comment
  UC103161  Castilleja ambigua subsp. ambigua J. W. Congdon 1889-8 Sonoma Petaluma Comment
  UC584179  Castilleja ambigua subsp. ambigua J. Clausen 1935-5-24 1095 Sonoma 6.5 mi s Jenner (on the Bodega road) Comment
Read comments
Jan 8 2015
  JEPS3635  Castilleja applegatei subsp. martinii C. Ritchie Bell 1952-6-12 1143 Sonoma 3.7 mi e Pine Flat (on ridge near Sonoma-Lake County line); Mayacamas Range Comment
  RSA516604  Castilleja applegatei subsp. martinii R. C. Bacigalupi, G. Thomas Robbins, Freed W. Hoffman 1956-5-30 5667 Sonoma Headwaters of Big Austin Creek, vicinity of 'The Cedars', near Layton Chromite mine. 267 Comment
  JEPS9948  Castilleja attenuata W. L. Jepson 1921-5-6 9188 Sonoma Porter Creek 365 Comment
  LA209417  Castilleja campestris M. S. Baker; May 1935 8043 Sonoma ditch along R.R. track, SW of Wright School Comment
  UC535060  Castilleja densiflora subsp. densiflora H. E. and S. T. Parks 1930-5-7 632 Sonoma n end Knight's Valley 106 Comment
  POM15981  Castilleja foliolosa A. A. Heller, H. E. Brown 1902-3-12 5034 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  SD62057  Castilleja franciscana Darley F. Howe 1965-8-3 Sonoma 2.4 miles east of Bodega Bay on Highway #1. Comment
  CAS-BOT-BC243854  Castilleja latifolia J. Clausen 1935-5-24 1088 Sonoma 5.1 mi. S of Jenner on the Bodega Road Comment
  CAS-BOT-BC243853  Castilleja latifolia Ella Dales Cantelow 1939-4-10 2605 Sonoma About 1.6 mi. S of Russian River Bridge Comment
  JEPS66231  Castilleja miniata subsp. miniata T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6903 Sonoma about south-central Pitkin Marsh (near end of Templeton Road); , about south-central Comment
Read comments
Oct 15 2010
  UC726144  Castilleja rubicundula subsp. lithospermoides A. A. Heller 1940-5-10 15613 Sonoma several miles e Skagg's Springs Comment
  UC444863  Castilleja subinclusa subsp. franciscana Miss C. M. Hoak Aug 1912 Sonoma Monte Rio Comment
  JEPS116517  Castilleja subinclusa subsp. franciscana Peter Warner 2009-6-3 103 Sonoma Poff Ranch, Wright Hill Road E about 1 mi off State Hwy 1, in grassland 50 m ESE of main (west) gate 250 Comment
  JEPS60451  Castilleja wightii T. I. Chuang and F. M. Chuang 1969-6-29 6689 Sonoma 2.9 mi s Russian River (Highway 1) Comment
  UCR255652  Caulanthus lasiophyllus Greg de Nevers 1997-4-24 10959 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, Santa Rosa 400 Comment
  UC1071521  Ceanothus A. E. Wieslander 1939-3-18 873 Sonoma head of Hooker Canyon Sonoma Quad. Comment
  SBBG4132  Ceanothus confusus M. S. Baker 1939-3-20 9244 Sonoma ca. 4 mi N of Santa Rosa on rd past County Hospital Comment
  UC870504  Ceanothus confusus Lewis S. Rose 1940-5-6 40260 Sonoma 4 mi NE of Santa Rosa (Rincon Ridge, type locality) Comment
  UCD111374  Ceanothus confusus L. Whitney Date unknown s.n. Sonoma University Hill. Comment
  CAS-BOT-BC49199  Ceanothus cuneatus A. A. Heller; H. E. Brown 1902-3-12 5045 Sonoma Sonoma Creek, Eastern Base of Mt. Hood Comment
  RSA1353  Ceanothus cuneatus B. D. Stark 1929-7-22 584 Sonoma Sonoma-Mendocino County line. Comment
  UC1084437  Ceanothus cuneatus var. cuneatus G. Thomas Robbins 1940-3-21 295 Sonoma ca 6 mi e Windsor (along Chalk Hill Rd) Comment
  UC1299554  Ceanothus foliosus Freed W. Hoffman 1947-5-30 522 Sonoma Layton Mine, Austin Creek North Coast Ranges Comment
  UC79975  Ceanothus foliosus Alice Eastwood 1893-4-27 Sonoma Hood Mountain Comment
  SEINET13945873 Image available Ceanothus foliosus Lewis S. Rose 1955-1 55061 Sonoma Junction of Vine Hill & School Raods, 10 mi W of Santa Rosa, alt 150 ft 46 Comment
  SEINET13945888 Image available Ceanothus foliosus G. Thomas Robbins 1938-1 257 Sonoma Along road to Occidental W of Green Valley Comment
  CAS-BOT-BC49903  Ceanothus foliosus var. foliosus Walter Knight; Irja Knight 1964-1-18 522 Sonoma Hooker Canyon, Cavedale Road Comment
  JEPS128309  Ceanothus foliosus var. foliosus Roger Raiche 2000-5-21 101 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this not the name on USGS topo sheets.) Gualala River, Wheatfield Fork watershed. Comment
  JEPS49157  Ceanothus foliosus var. vineatus Robert Anderson 1967-4-9 Sonoma e Forestville (Vine Hill district); Vine Hill district 60 Comment
  RSA178021  Ceanothus foliosus var. vineatus Robert F. Thorne 1965-4-19 34311 Sonoma Guerneville Hwy, 1 mile E of Laguna Road; 4 miles W of Santa Rosa. 46 Comment
  UC657899 Image available Ceanothus foliosus var. vineatus H. E. McMinn 1936-4-5 4406 Sonoma about 10 mi w Santa Rosa (immediately w of Vine Hill School); ; approx. 10 mi. west of Santa Rosa, Sonoma Co. 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
  CAS-BOT-BC50007  Ceanothus gloriosus John Thomas Howell 1935-5-5 12620 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UCD112150  Ceanothus gloriosus var. exaltatus Roman Gankin 1966-3-3 694 Sonoma east of Occidental Ridge on Graton Road, 2.5 miles east of Occidental. Comment
  SEINET12210818  Ceanothus gloriosus var. exaltatus W. Knight, Knight, I. 1982-1 4650 Sonoma W of Sebastopol Comment
  CAS-BOT-BC63735  Ceanothus griseus Dorothy Scherer 1996-3-16 002 Sonoma Winderemere Point, Fort Ross State Historic Park. 24 Comment
  UC486541  Ceanothus griseus Mrs. G. Earle Kelly 1932-6-13 Sonoma 4.5 mi n Ft. Ross Comment
  UC917250  Ceanothus griseus C. B. Heiser Jr. 1946-4-13 1753 Sonoma Roadside near Jenner Comment
  RSA276844  Ceanothus incanus James I. McMurphy 1909-5-29 s.n. Sonoma Creek between Geyser Mtn and the Geysers Comment
  UCD158880  Ceanothus incanus James A. Neilson Jr. 1975-1-23 3124 Sonoma Mayacmas Mountains. One-quarter mile south of Little Sulphur Creek crossing., Healdsburg- Geysers Road. (Elevation estimated using topo map by label maker.) 731 Comment
  CAS-BOT-BC50956  Ceanothus integerrimus Walter Knight; Irja Knight 1963-12-27 473 Sonoma Summit, Pine Flat Rd Comment
  CAS-BOT-BC50602  Ceanothus jepsonii Alice Eastwood; John Thomas Howell 1939-4-2 7377 Sonoma Near Camp Meeker on road to Monte Rio Comment
  RSA130886  Ceanothus jepsonii E. K. Balls 1958-7-21 23586 Sonoma Edges of forest, Mixed Evergreen Forest, near Bohemian Grove, on road from Hwy 12 to Camp Meeker. 46 Comment
  SD56786  Ceanothus jepsonii Darley F. Howe 1963-5-23 3531 Sonoma 4 mi. no. of Cloverdale on #128 334 Comment
  UCD112073  Ceanothus jepsonii P. Zinke 1949-6-14 64 Sonoma Divide between Ery Creek and Smith Creek. 457 Comment
  CAS-BOT-BC51132  Ceanothus jepsonii var. albiflorus Walter Knight; Cliff Schmidt 1987-2-27 6060 Sonoma Bradford Mt. Road near Dorman Canyon, West of Healdsburg 167 Comment
  UC1176842  Ceanothus jepsonii var. jepsonii Lewis S. Rose 1955-3-21 55030 Sonoma 2 mi NE of Occidental 213 Comment
  CAS-BOT-BC51893  Ceanothus parryi J. W. Congdon 1892-5-30 s.n. Sonoma Cazadero Comment
  RSA122367  Ceanothus parryi H. S. Yates 1934-4-21 3814 Sonoma near Guerneville 91 Comment
  UC1299538  Ceanothus parryi Freed W. Hoffman Apr 1947 888 Sonoma Wild Hog Rodge, headwaters of Palmer Creek Comment
  UCR141957  Ceanothus parryi Beecher Crampton 1955-6-17 2933 Sonoma North Coast Range, 3.3 miles west of Forestville, along State Highway 116 ['12'] 61 Comment
  CAS-BOT-BC51887  Ceanothus parryi Roger Raiche 1985-4-6 RR 50183 Sonoma West of Healdsburg, Dry Creek area, ridge West of Dry Creek Valley and North of Dorman Canyon (Crane Creek) 243 Comment
  CAS-BOT-BC53034  Ceanothus sonomensis Walter Knight; Irja Knight 1964-1-30 521 Sonoma Hooker Canyon, Cavedale Road Comment
  CAS-BOT-BC83740  Ceanothus sonomensis D. O. Burge; Steven Kembel 2008-5-29 1002 b Sonoma Sonoma Mountains, Annadel State Park 330 Comment
  UC1281389  Ceanothus sonomensis H. E. McMinn 1941-4-27 5324 Sonoma Trinity road, Mt. Hood Range. Comment
  CAS-BOT-BC32657  Ceanothus sonomensis Henry Reents 1936-5-23 s.n. Sonoma Youngman Canyon Comment
  CAS-BOT-BC52346  Ceanothus thyrsiflorus Mary P. Wells 1985-9-12 617 Sonoma Near creek through the golf course, The Sea Ranch Comment
  UCD112734  Ceanothus thyrsiflorus var. griseus P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  UC1362456  Ceanothus velutinus Frederick Karl Klein 1969-9-8 Sonoma Seaview Road 0.6 mi nw intersection with Ben Way (nw of Fort Ross); nw of Fort Ross 396 Comment
  OBI70820  Celtis reticulata Matt Ritter 2009-7-2 s.n. Sonoma Street tree in Petaluma Comment
  JEPS86808  Centaurea calcitrapa Jack and Betty Guggolz 1991-6-1 1162 Sonoma on e side of hwy, just n of its intersection with Hessel Road Hwy 116 42 Comment
  CDA29726  Centaurea iberica Robin Breckenridge, S. Ostrom 2009-7-9 PDR# 1538286 Sonoma In the vicinity of Calistoga, off of Highway 128. 0 Comment
  CAS-BOT-BC277161  Centaurea melitensis Peter Rubtzoff 1952-6-10 1220 Sonoma Northeast and east slope of Fitch Mtn., near Healdsburg Comment
  JEPS44124  Centaurea solstitialis W. L. Jepson 1914-9-19 6190 Sonoma Agua Caliente Sonoma Valley, Agua Caliente 25 Comment
  UCR42347  Centaurea solstitialis L. F. LaPre 1985-6-25 s.n. Sonoma Coast Ranges, Socrates Mine, c. 9 mi. ENE of Geyserville 917 Comment
  POM130634  Centaurium muehlenbergii A. A. Heller 1902-6-28 5793 Sonoma Between Knight s Valley and Mark West Springs. Comment
  JEPS79686  Centaurium tenuiflorum Nancy Harrison 1980-7-19 2144 Sonoma n of Kirby Lane (and e of S Wright Rd, air center property); Santa Rosa Comment
  UC75838  Centromadia fitchii Miss M. Alice King 1897-6-1 Sonoma near Healdsburg Comment
  CAS-BOT-BC271543  Centromadia parryi subsp. parryi John Thomas Howell 1930-10-5 5530 Sonoma Dry field 5.8 miles SW of Sonoma on Black Point cutoff Comment
  CAS-BOT-BC271544  Centromadia parryi subsp. parryi John Thomas Howell 1930-10-5 5530 Sonoma Dry field 5.8 miles SW of Sonoma on Black Point cutoff Comment
  CAS-BOT-BC249313  Cerastium Peter Rubtzoff 1963-6-22 s.n. Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC384979  Cerastium arvense Dorothy Scherer 1986-4-8 027 Sonoma South of Kolmer Gulch ca 800' and east of Hwy 1 ca 15', Fort Ross State Historic Park 36 Comment
  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
  CAS-BOT-BC388438  Cerastium glomeratum Peter Rubtzoff 1952-3-23 902 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  SD134006  Ceratophyllum demersum Peter Rubtzoff 1955-8-27 2103 Sonoma Bennett Mountain Lake. Comment
  POM187556  Cercis occidentalis Jones 1931-7-5 28974 Sonoma The Geysers Comment
  UC1084435  Cercocarpus betuloides var. betuloides G. Thomas Robbins 1940-3-21 293 Sonoma 5-6 mi e of Windsor (Barnes Creek along Chalk Hill Road); Barnes Creek 38 Comment
  UC1127922  Cercocarpus betuloides var. betuloides E. Armstrong 1934-3-26 910 Sonoma 1 mi nw of Camp Meeker 121 Comment
  UC72965  Cercocarpus betuloides var. betuloides Milo S. Baker 1898-4-4 Sonoma near Sea View Comment
  HSC18566  Cercocarpus montanus var. glaber R. Spellenberg, D. Sutherland, A. Sylvester 1966-3-26 1347 Sonoma 10 mi. W of Big Geysers along Sulphur Creek Comment
  CAS-BOT-BC279783  Chamaemelum fuscatum John H. Thomas 1966-3-18 11480 Sonoma 2 miles south of Asti as measured along the road along highway 101 Comment
  CAS-BOT-BC279784  Chamaemelum fuscatum John H. Thomas 1966-3-18 11481 Sonoma Edge of vineyard at Italian Swiss Colony vineyard at Asti Comment
  UC205112  Cheilanthes intertexta Michener and Bioletti March 1893 Sonoma Hood's Peak Comment
  RSA783839  Chenopodium Peter Rubtzoff 1971-7-23 6617 Sonoma Laguna, Chileno Valley. Comment
  RSA201185  Chenopodium berlandieri var. zschackei Peter Rubtzoff 1961-8-22 4678 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC493398  Chlorogalum pomeridianum G. DeNevers 1981-5-12 1136 Sonoma Carrison Canyon, Pepperwood Ranch Comment
  CAS-BOT-BC499255  Chlorogalum pomeridianum Peter Rubtzoff 1951-7-14 476 Sonoma Pitkin Marsh, near Forestville, uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC499258  Chlorogalum pomeridianum C. F. Leitholt 1893-6-1 s.n. Sonoma Bennett Valley Comment
  CAS-BOT-BC499261  Chlorogalum pomeridianum J. W. Congdon 1880-5-1 s.n. Sonoma unspecified Comment
  CAS-BOT-BC191509  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-8-6 62077 Sonoma Bodega Point 30 Comment
  SEINET4182881  Chorizanthe cuspidata var. villosa K. Brandegee s.n. Sonoma Sand Dunes, Bodega Point Comment
  CAS-BOT-BC257027  Chorizanthe membranacea Anna F. Rodda 1929-5-6 s.n. Sonoma Geyserville Comment
  CAS-BOT-BC257026  Chorizanthe membranacea Milo S. Baker 1926-1-1 236 a-Local Sonoma Side canyon above Ken. Sps. [Kenwood Springs] Comment
  CAS-BOT-BC368060  Chorizanthe polygonoides Greg de Nevers 1998-5-26 11258 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  JEPS37926  Chrysolepis chrysophylla Alice Griffin 1924-9-1 Sonoma Stewart's Point Comment
  RSA82848  Chrysolepis chrysophylla J. M. Tucker 1951-6-26 2143 Sonoma Near Top of the World Ranch, ca. 5 miles due east of Glen Ellen. Comment
  CAS-BOT-BC251227  Chrysopsis Peter Rubtzoff 1956-9-23 2942 Sonoma Hacienda Region, left side of Russian River, near the road from Forest Hills to Highcroft, about 0.5 miles SW of the Russian River bridge in Hacienda. Comment
  CAS-BOT-BC368097  Cicendia quadrangularis Greg de Nevers 1998-5-5 11233 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  CAS-BOT-BC285253  Cichorium intybus Walter Knight; Irja Knight 1963-8-31 216 Sonoma Cor. Todd Rd & freeway Comment
  UCR244695  Cirsium Peter Rubtzoff 1970-9-3 6368 Sonoma above Shell Beach in Sonoma Coast State Beach area 122 Comment
  SEINET11845328  Cirsium douglasii W. Knight, Knight, I.; Knight, T.; Edwards, S. W. 1985-1 6358 Sonoma Pine Flat Road 305 Comment
  CAS-BOT-BC285706  Cirsium occidentale var. occidentale Joseph Andorfer Ewan 1935-5-12 9221 Sonoma Bodega Bay road 2 mi. W. of Bodega Comment
  CAS-BOT-BC285702  Cirsium occidentale var. occidentale P. G. Connors 1990-5-18 10 Sonoma Bodega Head. BMR Comment
  CAS-BOT-BC285707  Cirsium occidentale var. occidentale John Thomas Howell 1955-8-6 30893 Sonoma Near Bodega Head Comment
  CAS-BOT-BC290646  Cirsium occidentale var. occidentale Peter Rubtzoff 1960-9-14 4548 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC280371  Cirsium occidentale var. venustum A. A. Heller 1902-6-24 5753 Sonoma Near Burke's Sanitarium Comment
  UC1299442  Cirsium occidentale var. venustum Freed W. Hoffman 1947-5-30 516 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  UC30832  Cirsium occidentale var. venustum F. T. Bioletti 1893-1-1 Sonoma Glen Ellen Comment
  CAS-BOT-BC280541  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  CAS-BOT-BC164355  Citrullus lanatus Peter Rubtzoff 1976-9-25 8904 Sonoma Russian River at Forest Hills, 5.5 mi. E of Guerneville. Comment
  CAS-BOT-BC251250  Clarkia Peter Rubtzoff 1974-5-26 7498 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  SD39468  Clarkia amoena subsp. amoena Edith A. Purer 1932-7-14 Sonoma Between Bodega Bay and Santa Rosa Comment
  RSA453484  Clarkia amoena subsp. amoena E. A. Purer 1932-7-24 s.n. Sonoma Between Bodega Bay and Santa Rosa Comment
  JEPS82307  Clarkia amoena subsp. huntiana Roger Raiche 1983-7-5 30483 Sonoma n. Plantation (Tin Barn Rd. (3.5 mi. n. of King Ridge Rd.)) Comment
  UC1018290  Clarkia amoena subsp. huntiana H. Lewis and M. Lewis 1951-7-10 871 Sonoma 2.0 mi e Mark West Springs Comment
  UC1072012  Clarkia amoena subsp. huntiana H. and M. Lewis 1947-6-15 435 Sonoma 5.7 mi s Fort Ross Historical Monument (Highway 1) Comment
  JEPS43616  Clarkia concinna subsp. concinna W. L. Jepson 1921-6-2 9293 Sonoma Alder Glen School Hopland 176 Comment
  CAS-BOT-BC162513  Clarkia gracilis subsp. gracilis John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54000 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCD55330  Clarkia gracilis subsp. gracilis Ellen Dean 2006-6-28 3173 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. 182 Comment
  CAS-BOT-BC162514  Clarkia gracilis subsp. gracilis Freed W. Hoffman 1947-5-18 771 Sonoma Dutch Bill Creek near Camp Meeker Comment
  UC373513  Clarkia gracilis subsp. sonomensis C. L. Hitchcock 1928-6-7 21 Sonoma 5 1/2 mi s Santa Rosa (Sonoma - Santa Rosa Highway) 32 Comment
  CAS-BOT-BC163143  Clarkia gracilis subsp. sonomensis Frank W. Hubby 1894-6-1 s.n. Sonoma Windsor Comment
  CAS-BOT-BC163144  Clarkia gracilis subsp. sonomensis W. W. Carruth 1899-7-1 s.n. Sonoma Healdsburg Comment
  POM187553  Clarkia gracilis subsp. sonomensis Marcus E. Jones 1931-7-5 s.n. Sonoma Cloverdale Comment
  RSA449288  Clarkia gracilis subsp. sonomensis Christopher Davidson 1977-6-20 6004 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  LA206097  Clarkia imbricata H. Lewis; M. Lewis 1951-7-10 865 Sonoma 6230 Vine Hill Rd, between Santa Rosa and Guerneville Comment
  UC728606  Clarkia imbricata Milo S. Baker 1945-7-18 11107 Sonoma along path to <Pitkin> marsh; Pitkin Ranch Comment
  RSA0007460  Clarkia imbricata Milo S. Baker 1928-6-28 3195 Sonoma Pitkin Ranch between house and Pitkin marsh Comment
  SEINET12194279  Clarkia purpurea F. H. Utech 1986-1 86 -099 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  UCD104865  Clarkia purpurea Michelle Mahoney 1965-5-23 s.n. Sonoma On Old Fire Road off Highway 116 in Hacienda Park. 91 Comment
  CAS-BOT-BC163472  Clarkia purpurea subsp. quadrivulnera Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  UC58864  Clarkia purpurea subsp. quadrivulnera Milo S. Baker May 1899 Sonoma near Kenwood Comment
  RSA448314  Clarkia purpurea subsp. quadrivulnera Christopher Davidson 1977-6-20 6017 Sonoma Dry Creek Rd., 9.3 miles W of Geyserville. 91 Comment
  POM32298  Clarkia unguiculata A. A. Heller 1902-6-11 5686 Sonoma Santa Rosa creek, E of Santa Rosa Comment
  UCD100578  Claytonia exigua J. Adams; J. Weick, Daehler, Lu 1993-5-8 286 Sonoma about 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Comment
  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
  CAS-BOT-BC439317  Claytonia exigua subsp. exigua Roxana S. Ferris 1962-4-14 13585 Sonoma Ca. 1/8 mi. beyond County dump Comment
  RSA178002  Claytonia gypsophiloides R. F. Thorne 1965-4-19 34292 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UC66143  Claytonia gypsophiloides A. A. Heller 1902-3-16 Sonoma near Trenton Comment
  UC625511  Claytonia gypsophiloides Frank W. Gould 1938-4-3 119 b Sonoma 1 mi w Sonoma County line (on the road from Calistoga) 182 Comment
  CAS-BOT-BC439639  Claytonia parviflora subsp. parviflora G. H. Mallory 1920-3-29 s.n. Sonoma East end of Sonoma Ave, Santa Rosa Comment
  UC372781  Clematis ligusticifolia Marcus E. Jones, A. M. 1882-7-18 Sonoma Duncan's Mill's Comment
  CAS-BOT-BC92752  Clematis ligusticifolia W. W. Carruth 1900-7-1 s.n. Sonoma Russian River. Comment
  CAS-BOT-BC499955  Clintonia andrewsiana George Syme 1917-4-25 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC499958  Clintonia andrewsiana Mrs. E. C. Sutliffe 1920-7-18 s.n. Sonoma Annapolis Comment
  SEINET12050384  Clintonia andrewsiana F. H. Utech 1988-1 88 -202 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  JEPS3574  Collinsia greenei Helen K. Sharsmith 1952-6-18 4130 Sonoma about 0.8 mi w junction of Socrates Mine Rd. with Pine Flat-Middletown road; Mayacamas Mountains 914 Comment
  RSA780088  Collinsia sparsiflora var. arvensis Lyman Benson 1935-3-31 6406 Sonoma U. S. 101, Healdsburg, North Coast Mt. Range, Russian River Watershed 244 Comment
  SD6974  Collinsia tinctoria Michener, Bioletti 1892-7-4 1666 a Sonoma Shagg's Springs Comment
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Jun 10 2012
  CDA5447  Collomia heterophylla D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .286 Sonoma Cavedale Rd. Comment
  UCD158784  Collomia heterophylla James A. Neilson Jr. 1974-6-1 2878 Sonoma Mayacmas Mountains, west of Geyser Rock, west of Whispering Pines, northeastern Sonoma County. (Elevation and coordinates estimated by label maker). 1066 Comment
  CAS-BOT-BC286005  Conyza bonariensis Mary P. Wells 1988-9-7 966 Sonoma At Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC288914  Conyza canadensis Peter Rubtzoff 1951-9-2 724 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  JEPS3024  Conyza canadensis Milo S. Baker 1951-10 12389 Sonoma at Shale Quarry; Mark West Cr. Comment
  SBBG33944  Cordylanthus pilosus L. S. Rose 1956-8-20 56152 Sonoma Rincon Ridge, E of Santa Rosa 91 Comment
  CAS-BOT-BC238225  Cordylanthus tenuis subsp. brunneus Greg de Nevers 1996-7-17 10856 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  SBBG84042  Cordylanthus tenuis subsp. brunneus F. W. Pennell 1940-7-3 26044 Sonoma summit, Hoods Peak, NE of Kenwood 701 Comment
  JEPS27994  Cordylanthus tenuis subsp. capillaris Rimo Bacigalupi with L. R. Heckard 1961-6-9 7747 Sonoma ca. 0.75 ni nw Occidental School (along Stoetz Lane, ca. 1/2 mi nw of its junction with Harrison Grade road) 228 Comment
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Jul 27 2009
  UC1096792  Cordylanthus tenuis subsp. capillaris Milo S. Baker 1946-7-4 11523 Sonoma 2 mi ne Occidental; Harrison Grade Comment
  CAS-BOT-BC212285  Cornus glabrata Peter Rubtzoff 1952-5-31 1105 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC212293  Cornus glabrata Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC212294  Cornus glabrata Alice Eastwood 1915-6-5 4578 Sonoma Petrified Forest Comment
  UCD117132  Cornus glabrata P. B. Kennedy 1927-8-20 s.n. Sonoma Knight's Valley. Comment
  UC21528  Cornus nuttallii H. N. Bolander 1864-1 3966 Sonoma on Pine Mt. near the Geyser's; Pine Mt. Comment
  UCD59797  Cortaderia jubata Beecher Crampton 1981-11-8 9806 Sonoma Northwest of Jenner. Comment
  UCD110093  Corylus cornuta subsp. californica J. M. Tucker 1951-6-26 2140 Sonoma Near summit of the range, beside road from Oakville to Glen Ellen. Comment
  RSA790515  Cotula coronopifolia Peter Rubtzoff 1970-10-29 6419 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC427660  Crassula aquatica Peter Rubtzoff 1969-5-24 6052 Sonoma 6.5 mi. northeast of Penngrove, on Lichau Road 426 Comment
  CAS-BOT-BC368092  Crassula connata Greg de Nevers 1998-5-5 11226 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  UCD13110  Crassula connata Eileen F. Chun 1974-5-11 78 Sonoma Sonoma CO. Northside of Bodega Head. Sea level. Comment
  JEPS86784  Crassula solieri Reid Moran, Chas. Quibell 1991-5-15 31053 Sonoma 1 km. e. Glen Ellen (Rte. 12 0.5 km s. of Arnold Dr., Sonoma Valley Regional Park); Sonoma Valley Regional Park 110 Comment
  RSA0073842  Crassula solieri Reid V. Moran, Charles Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1.0 km east of Glen Ellen. 110 Comment
  UCD116522  Crocanthemum scoparium Frederica Bowcutt 1994-6-25 1917 Sonoma 609 Comment
  UCD142091  Croton setiger Barbara Ertter 1988-11-5 8033 Sonoma Lake Sonoma ca 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  CDA4461  Crupina vulgaris G. D. Barbe 1991-5-15 4412 (b) Sonoma Inside western boundary of Annadel State Park, Santa Rosa. Comment
  CAS-BOT-BC190109  Crypsis schoenoides G. DeNevers 1981-9-5 1806 Sonoma Pepperwood Ranch. In creek bed north of the aluminum gate dividing Pepperwood and Pippindale. Comment
  CAS-BOT-BC190145  Crypsis schoenoides Greg de Nevers 1992-10-15 10252 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek. 304 Comment
  CAS-BOT-BC190148  Crypsis schoenoides Peter Rubtzoff 1958-9-27 4008 Sonoma Laguna de Santa Rosa northeast of Graton (0.5 mile north of Guerneville Road). Comment
  CAS-BOT-BC368011  Crypsis schoenoides Greg de Nevers 1989-12-3 9119 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Natural Pond. 400 Comment
  CDA36327  Crypsis schoenoides M. Lennox & D. Curle 2011-11-21 PDR# 1465995 Sonoma Hwy 121 Bridge (Tolay Creek). 0 Comment
  CAS-BOT-BC190182  Crypsis vaginiflora Peter Rubtzoff 1958-9-6 3980 Sonoma Laguna de Santa Rosa north of Cunningham (near Todd Road). Comment
  CAS-BOT-BC376225  Cryptantha Greg de Nevers 1992-5-28 10156 Sonoma Sonoma Mountain Road, Bunnell Vernal Pool, on Zen Center property 304 Comment
  UCD119057  Cryptantha ambigua Collector unknown 1932-7-7 s.n. Sonoma Calistoga, near Petrified Forest. Comment
  POM64218  Cryptantha leiocarpa A. A. Heller 1902-5-27 5615 Sonoma Bodega Bay Comment
  RSA785747  Cucurbita Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  CAS-BOT-BC80749  Cupressus macnabiana Walter Knight; Irja Knight; J. T. H. 1984-9-26 5239 Sonoma 4.5 mi. up Cavedale Rd. Comment
  CAS-BOT-BC85426  Cupressus sargentii Roxana Stinchfield Ferris; L. Lorraine 1961-6-15 13565 Sonoma Harrison Grade 1.3 mi. from junction with Green Valley Road Comment
  CDA11140  Cupressus sargentii G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11551 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Large forest on W facing slope. Trees to 30 ft. Comment
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Jul 25 2018
  CAS-BOT-BC85463  Cupressus sargentii Milo Samuel Baker 1928-1-2 3383 a Sonoma north of Mill Creek 2 or 3 miles on trail from Cooper's Ranch Comment
  NY16847  Cupressus sargentii C. B. Wolf 1934-10-13 6184 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
  SEINET11739563  Cupressus sargentii F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -241 Sonoma end of Stoetz Road 200 Comment
  UCR255870  Cuscuta Greg de Nevers 1996-11-10 10891 Sonoma Just north of Hwy 37, opposite Port Sonoma, Lower Ranch 1 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
  RSA0022351  Cynodon Peter Rubtzoff 1971-8-23 6658 Sonoma Meacham Road, 0.35 miles S of Stony Point Road. Comment
  CAS-BOT-BC190343  Cynodon dactylon Peter Rubtzoff 1951-7-21 504 Sonoma Pitkin Marsh near Forestville. Between the Upper and the Lower marshes. Comment
  CAS-BOT-BC190344  Cynodon dactylon David L. Morgan 1955-6-27 s.n. Sonoma Dairy Hill, Old Adobe Road, 5 miles east of Lakeville. Comment
  SEINET180832  Cynoglossum grande E. Tucker 1936-4-5 Sonoma Camp Meekee Comment
  CAS-BOT-BC331483  Cynosurus Peter Rubtzoff 1972-5-25 6765 Sonoma Laguna, Chileno Valley. Comment
  CDA33571  Cynosurus cristatus Stephanie Larson/Deborah Curle 2010-6-14 PDR# 1465982 Sonoma 0 Comment
  UC576275  Cynosurus echinatus Virginia Bufford May 1936 Sonoma one mi nw Bodega Road; Sebastopol Quad. 60 Comment
  UCD60140  Cynosurus echinatus Gerry North 1993-4 47 Sonoma Flora of Sugarloaf Ridge State Park. Ca. 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 2.5 air miles northeast of Kenwood and 18 air miles northwest of Napa. At first pullout on right after Goodspeed trailhead, less that 0.2 mile east of park entrance gate. 243 Comment
  UCD60152  Cynosurus echinatus Frederica Bowcutt 1984-6-23 445 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
  UCD60173  Cynosurus echinatus Rimo Bacigalupi; L. Heckard 1961-6-9 7743 Sonoma Near reservoir at head of North Fk. of Lancel Creek; just below the serpentine area along Stoeti Lane, about 1/2 mile northwest of its junction with Harrison Grade road, about 3/4 mile northwest of Occidental School. 222 Comment
  CAS-BOT-BC114516  Cyperus eragrostis Walter Knight; Irja Knight 1963-12-27 817 Sonoma Pine Flat Road Comment
  CAS-BOT-BC114517  Cyperus eragrostis Walter Knight; Irja Knight 1963-10-3 356 Sonoma Bennett Valley Comment
  UC662460  Cyperus eragrostis N. W. Frazier 1941-10-19 8 Sonoma along Russian R. Geyserville; Russian R., Geyserville Comment
  UCD161844  Cyperus eragrostis James A. Neilson Jr. 1975-6-26 s.n. Sonoma Mayacmas Mountains, Caldwell Pines area, Wildhorse #1. (Exact location unknown, coordinates estimated by label maker. Location georeference near Wildhorse Cr.) Comment
  CAS-BOT-BC114512  Cyperus eragrostis Saichi Kawahara 1985-7-1 534 Sonoma On dike bank of Ducker Creek Rincon Valley, Santa Rosa. Comment
  RSA365071  Cyperus eragrostis Christopher Davidson 1977-6-17 5876 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  CAS-BOT-BC114439  Cyperus erythrorhizos Peter Rubtzoff 1961-9-20 4757 Sonoma Lagune de Santa Rosa, NE of Graton, near Guerneville Road crossing. Comment
  CAS-BOT-BC113901  Cyperus niger var. capitatus Harvey Keith Wagnon 1988-7-23 1782 Sonoma Santa Rosa, Spring Lake Park, just S of Montgomery Dr. Santa Rosa Creek Flood Channel. 73 Comment
  CAS-BOT-BC113910  Cyperus niger var. capitatus Peter Rubtzoff 1964-8-26 5477 Sonoma Marsh 5 mi NE of Penngrove on Lichan Rd. 213 Comment
  UC845295  Cypripedium montanum Eliz. Parsons Hawver 1915-6-3 Sonoma Skaggs Springs Comment
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Jan 23 2016
  CAS-BOT-BC435187  Cypselea humifusa Peter Rubtzoff 1966-6-26 5764 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  RSA177983  Cytisus scoparius Robert F. Thorne 1965-4-19 34310 Sonoma Guerneville Hwy, 1 mile E of Laguna Road; 4 miles W of Santa Rosa. 46 Comment
  JEPS97535  Dactylis glomerata R. D. Stone 1980-11-29 327 Sonoma Northern part of the Sea Ranch development N of Stewart's Point. Comment
  UCD60293  Dactylis glomerata Collector unknown 1941-5-1 Sonoma Santa Rosa, McDonald Ave. Comment
  CAS-BOT-BC445562  Damasonium californicum John Thomas Howell 1937-6-6 13012 Sonoma Sebastopol Comment
  CAS-BOT-BC192264  Danthonia californica Walter Knight; Irja Knight; J. T. Howell 1987-5-27 6273 Sonoma Todd Road Preserve 24 Comment
  CAS-BOT-BC192270  Danthonia californica David D. Keck 1944-7-11 5513 Sonoma 1 mi. S. of bridge across mouth of Russian River 22 Comment
  CAS-BOT-BC192285  Danthonia californica Greg de Nevers 1987-5-11 8171 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  SD180627  Danthonia californica Beecher Crampton 1965-5-13 7339 Sonoma ca. 8.5 miles southeast of Geyserville; south end of Alexander Valley; junction of Calistoga (highway 128) and Chalk Hill Road Comment
  UC1131385  Danthonia californica H. S. Yates 1937-5-30 6540 Sonoma 1 1/2 mi sse Graton; Sebastopol Quadrangle Comment
  UCD60309  Danthonia californica P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa, Calistoga. Petrified Forest Road. Comment
  UCD60469  Danthonia californica R. Tofsrud 1947-6-17 s.n. Sonoma 1.5 mi. S of Jenner Bridge, Hwy. 1. Comment
  CHSC83170  Danthonia californica var. americana Beecher Crampton 1962-5-8 6411 Sonoma 5 miles south of Geyserville. Comment
  UC1131387  Danthonia californica var. americana H. S. Yates 1934-4-22 3853 Sonoma 2 mi s Mark West; Calistoga Quadrangle Comment
  UCD36533  Danthonia californica var. americana Beecher Crampton 1954-4-26 1789 Sonoma Sonoma County, 9 miles southeast of Geyserville, along Highway 128, 0.5 mile north of Calistoga Road cutoff, on slope facing Alexander Valley. Comment
  UCD37939  Danthonia californica var. americana Beecher Crampton 1962-5-8 6411 Sonoma Sonoma County, 5 miles south 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
  CAS-BOT-BC154137  Datura Peter Rubtzoff 1958-8-30 3937 Sonoma Vacation Beach, near Guerneville, along Russian River Comment
  CAS-BOT-BC154136  Datura Peter Rubtzoff 1961-8-22 4677 Sonoma Fife Creek Marsh, along Fife Creek Comment
  CAS-BOT-BC154985  Datura Peter Rubtzoff 1968-9-21 5986 Sonoma Russian River bottom at Forest Hills, 5.5 mi. E of Guerneville. Comment
  JEPS15985  Daucus carota W. L. Jepson 1931-7-19 15936 Sonoma Bodega, Watson School 152 Comment
  JEPS15987  Daucus carota W. L. Jepson 1933-8-5 16552 Sonoma Sonoma 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-BC293811  Deinandra corymbosa Lewis S. Rose 1962-8-6 s.n. Sonoma Bodega Comment
  RSA800286  Deinandra corymbosa Peter Rubtzoff 1955-9-9 2121 Sonoma Bodega Head Marsh. Comment
  UC405403  Deinandra corymbosa P. B. Kennedy 1914-10-1 Sonoma Comment
  UC220564  Deinandra kelloggii Dr. Edward Palmer 1892-6-27 2679 Sonoma Petaluma Comment
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Apr 16 2019
  CHSC60191  Delphinium bakeri J. Lund 1980-4-12 Sonoma 0.1 mile west of Petrified Forest Road and Porter Creek Road junction. Comment
  CAS-BOT-BC9574  Delphinium bakeri E. Armstrong 1932-5-7 5900 Sonoma Coleman Valley at Hedrin Ranch Comment
  JEPS6240  Delphinium hesperium M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 220 Sonoma between Guerneville and Monte Rio; Russian River Comment
  CAS-BOT-BC10007  Delphinium hesperium Alice Eastwood 1916-6-5 4599 Sonoma Petrified Forest on Calistoga Road Comment
  CAS-BOT-BC10348  Delphinium hesperium H. D. Ripley; R. C. Barneby 1945-6-22 6940 Sonoma North of Jenner 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-BC10092  Delphinium luteum Alice Eastwood 1917-5-13 s.n. Sonoma Between Bodega and the Bay Comment
  CAS-BOT-BC8002  Delphinium nudicaule Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC8009  Delphinium nudicaule Catherine Best 1981-5-2 s.n. Sonoma Bohemian Hwy, 3 miles north of Occidental Comment
  CAS-BOT-BC9895  Delphinium nudicaule Farlin F. Wood 1918-4-25 s.n. Sonoma Cazadero Comment
  CHSC63924  Delphinium nudicaule John Hale 1990-4-13 25 Sonoma E of Austin Creek. 210 Comment
  HSC27088  Delphinium nudicaule Thomas W. Nelson 1971-3-21 347 Sonoma Beside Hwy. 128, 4 mi. W of Cloverdale Comment
  UCSB22476  Delphinium nudicaule McCarthy, Sharon 1965-4-16 Sonoma north of junction of 5th St. West and Verano Ave., Sonoma 60 Comment
  UCSB31448  Delphinium nudicaule Townsend, J. 1977-5-29 Sonoma West side U.S. 101; 2 miles north of Petaluma Comment
  RSA138296  Delphinium patens Volney Rattan 1903-1 1880 Sonoma Healdsburg Comment
  CAS-BOT-BC121723  Delphinium patens subsp. patens Volney Rattan 1880-1-1 s.n. Sonoma Healdsburg Comment
  CAS-BOT-BC121724  Delphinium patens subsp. patens Gregory Clark de Nevers 1981-5-2 924 Sonoma Pepperwood Preserve, N slope of high hill E of 3 Tree Hill. Comment
  UCSC000275  Delphinium variegatum Beryl O. Schreiber 1936-3-5 2210 Sonoma 2 miles W.N.W. of Mark West Springs Comment
  CAS-BOT-BC7774  Delphinium variegatum Volney Rattan 1878-1-1 s.n. Sonoma Vaca Val. Comment
  RSA122789  Delphinium variegatum B. O. Schreiber 1936-3-5 2210 Sonoma 2 miles WNW of Mark W Springs. 122 Comment
  CAS-BOT-BC26766  Dendromecon myrtifolia Amos Arthur Heller; H. E. Brown 1902-5-29 5618 Sonoma Mt. Hood Comment
  CAS-BOT-BC83024  Dendromecon rigida Ella Dales Cantelow 1940-4-6 4074 Sonoma Triniti Road west of Boyes Spring. Comment
  JEPS78745  Dendromecon rigida Edward Lee 1936-6-7 2187 Sonoma South Ridge fire trail Bohemian Grove Comment
  UCD95142  Dendromecon rigida Collector unknown Date unknown s.n. Sonoma S.W. Comment
  CAS-BOT-BC11003  Dendromecon rigida subsp. rigida Mrs. H. C. Cantelow 1940-4-6 s.n. Sonoma Triniti Road, about 7 miles from Boyes Spring. Comment
  UCD61230  Deschampsia cespitosa R. Tofsrud 1948-6-1 Sonoma By Mark West School. Comment
  UC767083  Deschampsia cespitosa subsp. beringensis R. F. Hoover 1941-5-14 5072 Sonoma 1 mi. n. Valley Ford Comment
  UC1131421  Deschampsia cespitosa subsp. cespitosa H. S. Yates 1936-5-16 5605 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  CAS-BOT-BC192612  Deschampsia cespitosa subsp. holciformis Herbert L. Mason 1946-7-4 12885 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  CAS-BOT-BC192616  Deschampsia cespitosa subsp. holciformis David L. Morgan 1961-5-7 s.n. Sonoma North of Jenner Comment
  CAS-BOT-BC192617  Deschampsia cespitosa subsp. holciformis Mary P. Wells 1981-8-2 s.n. Sonoma Path to garden from Timber Ridge Road, The Sea Ranch Comment
  JEPS45809  Deschampsia danthonioides Eleanor Armstrong 1932-5-18 160 Sonoma 4 mi. w. Santa Rosa 45 Comment
  UCD165167  Deschampsia danthonioides Peter Rubtzoff 1974-5-26 7494 Sonoma Todd Road 1.5 mi. from Hwy. 116 and 0.5 mi. from Llano Road. Comment
  UCD62498  Deschampsia danthonioides R. Tofsrud 1941-5-1 77 Sonoma Near Santa Rosa. Comment
  CAS-BOT-BC201960  Deschampsia elongata John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54022 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-BC201973  Deschampsia elongata Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road 15 miles west of Hwy. 101 Comment
  RSA126963  Deschampsia holciformis H. S. Yates 1937-6-6 6586 Sonoma 5 miles S. of Jenner. 30 Comment
  UC72730  Dicentra chrysantha Milo S. Baker 1898-6-11 669 Sonoma Little Sulphur Creek Comment
  CAS-BOT-BC209249  Dichanthelium acuminatum subsp. acuminatum R. Spellenberg 1964-6-15 402 Sonoma The Geysers, 17 mi. E. of Geyserville Comment
  SEINET225364 Image available Dichanthelium acuminatum subsp. fasciculatum John Roos, Lucill Roose 1956-9-1 6598 Sonoma The Geysers. Comment
  SEINET242405 Image available Dichanthelium acuminatum subsp. thermale Beecher Crampton 1964-8-18 7139 a Sonoma NE Sonoma County, the Geysers, 12 miles (in direct line) E of Cloverdale, ca. 1/2 mile E of Geyser Resort area 494 Comment
  CHSC20585  Dichelostemma congestum Robert A. Schlising; Glenn Keator 1965-5-22 2824 Sonoma About 1 mile north of Occidental; Comment
  UCD55137  Dichelostemma congestum Ellen Dean; Tammie Beyerl 2006-4-28 3019 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 179 Comment
  JEPS79159  Dichelostemma multiflorum Nancy Harrison 1980-5-16 2124 Sonoma s of Piner Elementary School; Santa Rosa Comment
  CAS-BOT-BC209115  Digitaria sanguinalis G. DeNevers 1981-6-20 1652 B Sonoma Along Franz Valley Road, N side of main hill at bottom of hill, Pepperwood Ranch. Comment
  RSA0051275  Digitaria sanguinalis Greg de Nevers 1996-9-23 10879 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Creek at Piney Canyon. 100 Comment
  UCD148408  Digitaria sanguinalis Peter Rubtzoff 1958-8-9 3846 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  SEINET10662591  Digitaria sanguinalis P. Rubtzoff 1956-9-14 Rubtzoff 2857 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC152038  Diplacus aurantiacus A. A. Heller; H. E. Brown 1902-4-11 5258 Sonoma Bodega Bay Comment
  CHSC1749  Diplacus aurantiacus H. Holder 1949-5-19 Sonoma Highway #1. Comment
  CAS-BOT-BC151971  Diplacus douglasii Milo S. Baker; Miss Griffin 1925-4-9 269 b Sonoma Near Brunner's, Sonoma Mt. Comment
  CAS-BOT-BC151749  Diplacus kelloggii John Thomas Howell 1931-4-19 6432 Sonoma Spring Mountain Road, 9.5 miles from St. Helena Comment
  CAS-BOT-BC151379  Diplacus tricolor Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7400 Sonoma Laguna de Santa Rosa ca. 1 mi. east-souteast of Sebastopol Comment
  RSA74474  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
  CAS-BOT-BC331484  Distichlis Peter Rubtzoff 1970-5-30 6234 Sonoma 5 miles north of Sears Point. Comment
  UCD78109  Dittrichia graveolens Robert E. Preston 1999-11-9 1252 Sonoma Windsor, on NW corner of jct Old Redwood Hwy and Arata Lane. T8N R9W N edge of Sec 11 39 Comment
  JEPS57131  Dodecatheon hendersonii L. R. Heckard 1967-5-7 1595 Sonoma near top Hood Peak; near top of Hood Peak 822 Comment
  RSA17454  Dodecatheon hendersonii Elmer I. Applegate 1934-3-25 8856 Sonoma Sausal Creek, Pine Flat region. Comment
  SEINET12330778  Downingia concolor W. Kinght, Knight, I. 1986-1 5446 Sonoma East side of McDowell Boulevard, Petaluma, between Sunrise Drive and Corona Road Comment
  UCD150143  Downingia concolor var. concolor 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
  UCD84092  Downingia concolor var. concolor Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. Vernal Pool. 37 Comment
  CAS-BOT-BC154159  Downingia concolor var. concolor Peter Rubtzoff 1971-6-10 6529 Sonoma Sebastopol - Santa Rosa Hwy., near Wright Road. Comment
  RSA21846  Downingia concolor var. concolor Alice Eastwood, J. T. Howell 1936-5-19 2508 Sonoma 2 miles north of Windsor Comment
  RSA783712  Downingia concolor var. concolor Peter Rubtzoff 1974-5-18 7439 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UC28965  Downingia cuspidata F. T. Bioletti 1893-6-10 Sonoma Los Guilucos Valley Comment
  CAS-BOT-BC159449  Drymocallis glandulosa var. glandulosa A. A. Heller; H. E. Brown 1902-4-22 5344 Sonoma Between Santa Rosa and Agua Caliente Comment
  CAS-BOT-BC428183  Dudleya cymosa subsp. cymosa John Thomas Howell 1932-10-9 10814 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  UCD167956  Echinochloa James Neilson 1981-7-16 4048 Sonoma Mayacmas Mountains. Big Sulphur Cr. At bridge crossing road to Cloverdale. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC176200  Echinochloa crus-galli Peter Rubtzoff 1956-9-14 2861 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCD60852  Echinochloa crus-galli H. H. Wernland 1923-10-10 Sonoma Near Bodega. Comment
  UCR244503  Echinodorus berteroi Peter Rubtzoff 1970-8-5 6297 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
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Oct 13 2015
  CAS-BOT-BC274415  Eleocharis Peter Rubtzoff 1970-8-18 6313 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC112983  Eleocharis macrostachya Peter Rubtzoff 1951-7-14 471 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh. Comment
  UCD49786  Eleocharis macrostachya Mary M. Hektner; Sue Dakizaku and Cathy Hendel 1974-6-28 82 Sonoma Unit 21 Owner's Map, Sea Ranch, near State Highway 1, Sonoma County, California. 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-BC112205  Eleocharis radicans Peter Rubtzoff 1962-7-28 5006 Sonoma Laguna de Santa Rosa east of Cunningham, near Llamo Road. Comment
  CAS-BOT-BC112208  Eleocharis radicans Milo S. Baker 1939-6-1 9486 Sonoma Brookside Garden Comment
  UCD166262  Elodea canadensis Peter Rubtzoff 1970-8-19 6336 Sonoma Austin Creek, 0.5 miles north of Cazadero. Comment
  UC1146595  Elymus californicus Freed W. Hoffman 1943-5-19 2202 Sonoma North Coast Ranges, Sonoma Coast, Russian Gulch Russian Gulch; North Coast Ranges, Sonoma Coast, Russian Gulch Comment
  UC682122  Elymus californicus G. L. Stebbins Jr. 1942-5-12 3229 Sonoma 2.5 mi w of Bodega (Bodega Canyon Road); Bodega Canyon Road Comment
  OBI70585  Elymus caput-medusae D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .278 Sonoma Cavedale Rd 518 Comment
  OBI35896  Elymus elymoides David J. Keil 1983-6-30 17211 Sonoma Stillwater Cove Regional Park Comment
  SEINET266626  Elymus glaucus P. G. Connors 1990-6-4 25 Sonoma Bodega Head. Comment
  UCD61840  Elymus glaucus Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-19 23 A Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC203710  Elymus glaucus subsp. glaucus David L. Morgan 1955-6-28 s.n. Sonoma Two Rock Comment
  CAS-BOT-BC203725  Elymus glaucus subsp. glaucus L. R. Abrams 1922-6-21 8150 Sonoma 6 mi west of Ukiah on the Low Gap Road to Mendocino City Comment
  CAS-BOT-BC203728  Elymus glaucus subsp. glaucus Milo S. Baker 1945-5-15 10919 Sonoma 4 mi W of Santa Rosa near Wright's School 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-BC235227  Elymus multisetus Peter Rubtzoff 1952-6-11 1249 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  UCD62479  Elymus multisetus P. B. Kennedy 1920-5-29 Sonoma Highway between Hopland and Cloverdale. Comment
  UC1011028  Elymus trachycaulus Virginia Bufford 1936-5-20 343 Sonoma 3 mi from Mark West (Kellogg Mark West Rd.) Comment
  UC1146633  Elymus trachycaulus Freed W. Hoffman 1944-5-27 2007 Sonoma Dutch Bill Creek North Coast Ranges Comment
  UC483680  Epilobium brachycarpum Milo S. Baker 1931-9-13 5565 Sonoma near Kenwood; Clifton Hawkins Ranch Comment
  CAS-BOT-BC166622  Epilobium canum subsp. canum Milo S. Baker 1939-9-1 9477 Sonoma Along Hiwy. between Petrified Forest and Rincon Valley. East slope, ca. 2 mi. south of Petrified Forest Comment
  HSC87382  Epilobium canum subsp. latifolium Clare R. Wheeler 1985-9-8 3766 Sonoma Above Russian River, 1.6 km N of Preston bridge 103 Comment
  CAS-BOT-BC262988  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-6-20 1507 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC268054  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-8-11 1692 Sonoma Guerneville Marsh. Comment
  UC20057  Epilobium ciliatum subsp. ciliatum J. Burtt Davy Aug., 1896 4136 Sonoma Russian River Comment
  CAS-BOT-BC262963  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-23 1978 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC268117  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1970-6-21 6270 Sonoma Sluggish tributary of Mark West Creek, ca. 3 miles west of Fulton. Comment
  POM32586  Epilobium ciliatum subsp. ciliatum A. A. Heller 1902-7-2 5806 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC262970  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1955-8-20 2088 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC290548  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5339 Sonoma Bodega Bay Marsh. Comment
  UC1042438  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1951-7-14 444 Sonoma on edge of thicket near creek (s edge of Lower Marsh, near Forestville); Pitkin Marsh, Lower Marsh Comment
  POM225185  Epilobium ciliatum subsp. watsonii P. A. Munz 1936-8-8 14312 Sonoma Ft. Ross Comment
  UC73324  Epilobium densiflorum Milo S. Baker 1904-6-19 Sonoma above Maple Glen; Sonoma Creek Canyon Comment
  UCR42297  Epilobium minutum L. F. LaPre 1985-6-25 s.n. Sonoma Coast Ranges, Socrates Mine, c. 9 mi. ENE of Geyserville 917 Comment
  CAS-BOT-BC183617  Equisetum X ferrissii Peter Rubtzoff 1960-6-9 4480 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC57041  Equisetum arvense Peter Rubtzoff 1952-5-10 1023 Sonoma Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC57209  Equisetum hyemale subsp. affine Peter Rubtzoff 1952-5-31 1104 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC164656  Equisetum hyemale var. affine Peter Rubtzoff 1954-8-11 1694 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC164055  Equisetum hyemale var. californicum Peter Rubtzoff 1961-10-23 4785 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  CAS-BOT-BC164652  Equisetum laevigatum Peter Rubtzoff 1961-8-26 4725 Sonoma Vacation Beach, near Guerneville. Comment
  UCD148417  Equisetum laevigatum Peter Rubtzoff 1959-8-22 4230 Sonoma South Fork Eel River in Edward R. Hickey State Park. Comment
  CAS-BOT-BC57654  Equisetum telmateia J. W. Congdon 1880-4-13 s.n. Sonoma Santa Rosa Road Comment
  CAS-BOT-BC57648  Equisetum telmateia Peter Rubtzoff 1952-6-15 1257 Sonoma Forestville Marsh Comment
  UCD167968  Equisetum telmateia subsp. braunii James A. Neilson Jr. 1981-3-8 3985 Sonoma Mayacamas Mountains, Wildhorse Ck. at road crossing. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC204446  Eragrostis cilianensis Greg de Nevers 1996-9-23 10883 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Franz Creek x Piny Canyon 487 Comment
  RSA796174  Eragrostis cilianensis Peter Rubtzoff 1958-8-30 3930 Sonoma Vacation Beach, near Guerneville. Open, wet banks of Russian River. Comment
  CAS-BOT-BC213573  Eragrostis hypnoides Peter Rubtzoff 1961-8-25 4718 Sonoma Forest Hills, east of Guerneville, bottom of Russian River Comment
  CAS-BOT-BC284193  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1956-9-14 2864 Sonoma Vacation Beach near Guerneville, Russian River Comment
  CAS-BOT-BC284194  Eragrostis pectinacea var. pectinacea John Thomas Howell 1957-9-26 32980 Sonoma Russian River bottom near Guerneville Comment
  CAS-BOT-BC291253  Erechtites minimus John H. Thomas 1976-6-17 18351 Sonoma Near northern end of Sea Ranch, northwestern part of Sonoma County, about 4 miles south of Gualala Comment
  UC1563955  Eremocarpus setiger Barbara Ertter 1988-11-5 8033 Sonoma point below Little Flat parking area (w of bridge, ca 5 air mi due s of Cloverdale); Lake Sonoma 152 Comment
  POM359364  Ericameria ericoides var. ericoides E. A. Purer 1932-7-24 s.n. Sonoma Near Bodega Bay Comment
  UC2031714  Erigeron greenei Sherry Adams 2011-7-15 Sonoma About 12 miles ENE from Healdsburg, via Pine Flat Road. About 1400' E of confluence of McDonnell and Ingalls Creeks Modini Ingalls Ecological Preserve of Audubon Canyon Ranch Comment
  UC1124290  Eriodictyon californicum A. Lewis May 1932 123 Sonoma Calabasas Creek; Napa Quad., Calabasas Creek 457 Comment
  CAS-BOT-BC259255  Eriogonum latifolium H. L. Mason 1928-7-10 4885 Sonoma Jenner Comment
  CAS-BOT-BC259258  Eriogonum latifolium John Thomas Howell 1930-7-27 5415 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-BC259472  Eriogonum luteolum Margaret J. Williams; Wayne Roderick 1978-7-16 78- 228 -2 Sonoma Near Occidental Comment
  CAS-BOT-BC259476  Eriogonum luteolum F. G. Krauss 1893-10-8 s.n. Sonoma K. Ranch Comment
  POM188345  Eriogonum luteolum Marcus E. Jones 1931-7-5 28828 Sonoma The Geysers. Comment
  CAS-BOT-BC259477  Eriogonum luteolum Helen D. Geis 1902-1-1 570 Sonoma Cloverdale Comment
  UC75785  Eriogonum luteolum var. luteolum Miss M. Alice King Sept. 1896 Sonoma near Healdsburg Comment
  UC85726  Eriogonum luteolum var. luteolum Alice Eastwood 1900-9-9 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC261693  Eriogonum nudum var. nudum G. DeNevers 1981-6-27 1713 Sonoma Pepperwood Ranch. Road cut at summit of Franz Valley Road Comment
  CAS-BOT-BC261694  Eriogonum nudum var. nudum R. F. Hoover 1952-6-1 1132 Sonoma Fitch Mtn. Grove, nr. Healdsburg Comment
  RSA222  Eriogonum nudum var. nudum E. R. Johnson 1928-8-22 1107 Sonoma Russian River, 1/2 mile E of Cloverdale Comment
  UCD160124  Eriogonum vimineum James A. Neilson Jr. 1974-6-1 2757 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines. (Elevation and coordinates estimated by label maker.) 1082 Comment
  UCD131466  Eriophyllum confertiflorum var. confertiflorum Frederica Bowcutt 1994-6-25 1919 Sonoma Sugarloaf Ridge State ParkAbout 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Brushy Peak Trail about 1/4 mi. from Gray Pine Trail. 670 Comment
  CAS-BOT-BC301148  Eriophyllum lanatum var. achilleoides L. Constance 1933-5-20 E 26 Sonoma 1 mile north of Healdsburg Comment
  JEPS86743  Eriophyllum lanatum var. arachnoideum Jack and Betty Guggolz 1990-4-30 1040 Sonoma 4 mi w Occidental; Coleman Valley Road 304 Comment
  SEINET7075546  Eriophyllum lanatum var. arachnoideum A. G. Vestal 1955-5-6 s.n. Sonoma About 2.5 miles east of Occidental on the Occidental Road. 38? deg. 24' 30" North Latitude, -122? deg. 54' 3" West Longitude. UTM Zone 10, 508655mE, 4250919mN. (NAD 27)]. [Coordinate Datum: WGS84/NAD83]. Comment
  SEINET11842885  Eriophyllum lanatum var. arachnoideum W. Knight, Knight, I.; Edwards, S. 1986-1 5349 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Rd 853 Comment
  JEPS117126  Erodium botrys Peter Warner 2010-3-29 119 Sonoma 1670 Bloomfield Road, approx. 3 km S of center Sebastopol, throughout property. Comment
  CDA40913  Eryngium aristulatum G. F. Hrusa, Allen Buckman 1997-7-21 14010 Sonoma North Coast Biodiversity Arena; approx. 200 m. W of Hwy 128 in drainage of Blossom Creek, 2 km. NW of Tubbs Lane int. Sheet 2 of 2 Comment
  UC1365624  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1966-4-17 5682 Sonoma e. Graton (between Occidental and Guerneville rds., Laguna de Santa Rosa); Laguna de Santa Rosa Comment
  RSA290418  Eryngium aristulatum var. aristulatum Yusuf Sheikh, Peter Rubtzoff 1971-7-20 504 Sonoma Drying vernal pool along Todd Road, open country NW of Cotati Comment
  SBBG27233  Eryngium aristulatum var. aristulatum J. T. Howell 1933-8-27 11619 Sonoma San Pablo Bay SW of Sonoma Comment
  JEPS84390  Eryngium armatum Roger Raiche 1989-6-4 90154 Sonoma n. Healdsburg (between Simi (site of winery) and the dump) Comment
  POM287755  Eryngium armatum Lyman Benson 1930-6-18 2166 Sonoma South of Santa Rosa. 61 Comment
  UCD38723  Eryngium armatum Beecher Crampton 1957-7-11 4324 Sonoma Sonoma Coast State Park. 0.8 miles north of Salmon Creek. Comment
  UCD126741  Eryngium constancei G. F. Hrusa; R. Gross 1996-6-30 13057 Sonoma North Coast Biodiversity Arena; On the summit of Mayacmas Range at west end of Diamond Mtn. Rd.; 2 m. SW of Calistoga. 700 Comment
  CAS-BOT-BC383163  Erythranthe grandis David B. Lowry 2005-5-10 CVR Sonoma Along Coleman Valley Road 116 Comment
  CAS-BOT-BC133297  Erythronium helenae F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -199 Sonoma The Geysers, ca 14.0 mi ESE of Preston and US hwy 101 on Geysers Road 800 Comment
  CAS-BOT-BC133296  Erythronium helenae Elmer I. Applegate 1934-3-25 8855 Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 609 Comment
  CAS-BOT-BC402862  Eschscholzia caespitosa W. R. Ernst 1959-5-3 543 Sonoma About 1 mile southeast of Rionido Comment
  CAS-BOT-BC402866  Eschscholzia caespitosa Alice Eastwood 1900-4-21 s.n. Sonoma Mt. St. Helena Comment
  RSA146385  Eschscholzia caespitosa subsp. caespitosa W. R. Ernst 1959-5-3 543 Sonoma About 1 mile southeast of Rionido Comment
  SD255810  Eschscholzia californica Ann Howald 2015-4-1 3336 Sonoma North Coast Ranges: Stewarts Point-Skaggs Road, 18.3 miles west of intersection with Rockpile Rd, Wolf Creek drainage (Tombs Creek 7.5'Q) 131 Comment
  SEINET12091844  Eschscholzia californica var. maritima F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -146 Sonoma between Salmon Creek & Cormet at junction of Coleman Valley Road & CA 1 12 Comment
  OBI69876  Eucalyptus globulus Jenn Yost and Matt Ritter, Matt Ritter 8-Apr 52 Sonoma Hwy 101 S, Todd Rd, exit, Santa Rosa, side of fwy Comment
  CAS-BOT-BC202768  Euonymus occidentalis Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Russian River Comment
  RSA90501  Euonymus occidentalis Keith Wagnon 1939-05 220 Sonoma Along Jonive Creek about 1/8 mile NE of Wagnon Ranch, 5 mile W of Sebastopol. Comment
  CAS-BOT-BC376261  Euphorbia Greg de Nevers 1992-8-16 10244 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. On Franz Valley School Road 304 Comment
  CDA43444  Euphorbia exigua Peter Warner 2015-5-29 PDR# MVAP 06369508 Sonoma Sonoma Coast State Beach, Willow Creek portion. On the ridge between Willow and Freezeout Creeks. Comment
  UCR218738  Euphorbia oblongata George K. Helmkamp, E. A. Helmkamp 2010-6-4 16226 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), 6.4 rd. miles east of its junction with US-101, 5.9 air mi. east (88 deg. ) of Windsor 155 Comment
  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
  CAS-BOT-BC354321  Euthamia occidentalis Peter Rubtzoff 1958-9-6 3987 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CAS-BOT-BC164358  Fabaceae Peter Rubtzoff 1971-5-30 6504 Sonoma Vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC239729  Fabaceae Peter Rubtzoff 1970-7-17 6291 Sonoma 5 miles north of Sears Point Comment
  CAS-BOT-BC239730  Fabaceae Peter Rubtzoff 1974-5-25 7457 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC422362  Festuca Peter Rubtzoff 1974-5-25 7455 Sonoma Upper Green Valley Marsh. Comment
  RSA0022447  Festuca Peter Rubtzoff 1974-5-25 7455 Sonoma Upper Green Valley Marsh. Comment
  UCD158854  Festuca californica James A. Neilson Jr.; Teresa A. Sholars 1974-12-26 2917 Sonoma The Geysers, southeast corner of Section 14. (Elevation estimated by label maker using Google Earth.) 716 Comment
  UC576335  Festuca elmeri H. S. Yates 1937-5-31 6564 Sonoma 1 mi sw Petrified Forest; Calistoga Quad. 274 Comment
  UC38546  Festuca idahoensis F. T. Bioletti 1893-6-10 103 Sonoma Hood's Peak Comment
  UC60789  Festuca idahoensis F. T. Bioletti 1897-6-8 Sonoma South Los G<sic> Valley Comment
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Oct 18 2008
  RSA123499  Festuca occidentalis H. S. Yates 1936-5-16 5610 Sonoma 1 mile NW of Mountain View School. 91 Comment
  UCD33234  Festuca roemeri Beecher Crampton 1967-5-15 7930 Sonoma Lytton. Comment
  UCD66272  Festuca roemeri A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3569 Sonoma 9.1 miles northwest of Santa Rosa. Comment
  CAS-BOT-BC354068  Filago Peter Rubtzoff 1958-8-30 3943 Sonoma Vacation Beach, near Guerneville. Comment
  SEINET6923745  Fragaria chiloensis W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Southern coast, ca. 1.3 miles north of Salmon Creek. Comment
  SEINET8722897 Image available Fragaria chiloensis H. S. Reed 1947-1 215 Sonoma Bodega, altitude 50 feet, Sonoma County. 15 Comment
  CAS-BOT-BC457581  Fragaria vesca subsp. californica Volney Rattan 1885-5-9 s.n. Sonoma Unspecified Comment
  UCD35634  Frangula californica Beecher Crampton 1959-6-16 5363 Sonoma 3 miles west of Graton. Comment
  JEPS82540  Fremontodendron californicum Roger Raiche 1984-5-4 40133 Sonoma North of Guerneville, Morrison Creek, Austin Creek State Recreational Area, headwaters of East Austin Creek 182 Comment
  UC1299213  Fremontodendron californicum subsp. californicum Freed W. Hoffman 1950-5-24 3591 Sonoma The Island, head of Devil Creek, a branch of East Austin Creek head of Devil Creek; North Coast Ranges, head of Devil Creek Comment
  CHSC22970  Fritillaria affinis Robert A. Schlising; Et al. 1962-3-31 2126 Sonoma Ca 2 mi NE of Kenwood along road in to Sugarloaf Ridge. Comment
  UC3634  Fritillaria recurva F. T. Bioletti 1892-1 Sonoma Hood's Peak Comment
  RSA177962  Fritillaria recurva Robert F. Thorne 1965-4-20 34381 Sonoma Charles Newmans place up Los Alamos Rd, on Rincon Ridge 396 Comment
  UCD121675  Galium aparine Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 033 Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD160757  Galium californicum James A. Neilson Jr. 1975-5-23 3214 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  JEPS52892  Galium californicum subsp. californicum Lauramay T. Dempster and G. L. Stebbins 1963-8-12 3902 Sonoma 4.8 mi n Cazadero (on King Mt. Rd.) Comment
  HSC19831  Galium divaricatum Leo Koch 1940-6-12 1014 Sonoma Behind Fountaingrove Vineyard, 3 mi. N of Santa Rosa along Hwy. 101 Comment
  UC796575  Galium divaricatum Roxana S. Ferris and Laura Lorraine 1948-6-9 11661 Sonoma hillside 11 mi from Geyserville (on road to Kellogg) Comment
  UCD121756  Galium divaricatum F. Bowcutt 1994-5-21 1812 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. Along Meadow trail about 3/4 mile from trailhead. East from trail about 100 yards. 411 Comment
  UCD39139  Galium parisiense Beecher Crampton 1964-8-18 7148 Sonoma N.E. part of county. 'The Geysers', Big Sulphur Creek. Comment
  UC28229  Galium tricornutum F. T. Bioletti 1890-1 Sonoma Comment
  RSA264732  Galium trifidum Peter Rubtzoff 1962-7-14 4987 Sonoma Laguna. Chileno Valley. Comment
  CAS-BOT-BC303494  Gamochaeta ustulata G. DeNevers 1981-5-5 946 Sonoma Hansel's cow pasture. On the trail across the driveway to the Pippindale Garden Comment
  RSA170011  Garrya elliptica Robert F. Thorne, P. C. Everett 1964-10-21 34218 Sonoma Ten miles north of Fort Ross along Highway 1 and 0.1 mile north of Kruse Rhododendron Reserve. 61 Comment
  UC727700  Garrya elliptica Milo S. Baker 1946-2-7 11261 Sonoma near Kenwood (Maplewood); Maplewood Comment
  CDA31016  Garrya fremontii D. G. Kelch, Troy McGregor 2010-8-22 10 .349 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  UC727755  Garrya fremontii Milo S. Baker 1946-2-9 11263 Sonoma Hope Valley Kenwood Region (near Chamberlain Place) Comment
  CAS-BOT-BC320560  Gastridium Peter Rubtzoff 1970-8-19 6334 Sonoma On Austin Creek beach, 0.5 miles north of Cazadero. Comment
  HSC101100  Gastridium phleoides Peter Warner 2011-8-10 229 Sonoma Jenner Headlands property, Muniz Ranch Rd., about 0.5 mi. N from Hwy. 1 intersection. 55 Comment
  RSA0022446  Gastridium phleoides Peter Rubtzoff 1971-7-9 6599 Sonoma 4.25 mi W of Glen Ellen on Bennett Valley Road. Comment
  UC38571  Gastridium ventricosum A. B. Leckenby July 1896 Sonoma Petaluma Comment
  UCD105725  Genista monspessulana Mary M. Hektner 1976-4-3 237 Sonoma Roadcut of State Highway 1: Unit 35-A Owners' Map, Sea Ranch. Comment
  SEINET12330330  Gentiana oregana Unknown 1985-1 RR 50566 Sonoma Unnamed ridge on W side of Dry Creek Valley, N of Crane Mt. and S of Bradford Mt 305 Comment
  RSA144719  Gilia capitata Roxana S. Ferris, Laura Lorraine 1961-6-15 13569 Sonoma About 1/8 mile beyond County Dump Comment
  POM179724  Gilia capitata subsp. chamissonis J. T. Howell 1930-6-8 5272 Sonoma North end of Bodega Bay. Comment
  UC931984  Gilia capitata subsp. tomentosa Verne and Alva Grant 1948-7-7 8599 Sonoma on Highway 1 Ocean Bluff 3.7 mi s Fort Ross; s of Fort Ross Comment
  CAS-BOT-BC225467  Gilia millefoliata Alice Eastwood 1915-6-29 4825 Sonoma Bodega Point Comment
  UC750799  Gilia millefoliata Charles B. Heiser Jr. with J. Davidson 1946-4-14 1734 Sonoma in depression on head Bodega Head Comment
  UCD117852  Gilia millefoliata P. G. Connors 1992-4-28 243 Sonoma Bodega Marine Laboratory, in Old North Dune. Comment
  RSA51328  Gilia tricolor P. H. Raven 1950-4-6 1604 Sonoma Lower slopes of Rincon Ridge, 4 miles from Santa Rosa to Sonoma. 244 Comment
  UC30183  Gilia tricolor subsp. diffusa W. H. Brewer 1862-4-18 967 Sonoma near Sonoma; near Sonoma Comment
  CAS-BOT-BC303748  Glebionis segetum Rimo Bacigalupi 1928-6-18 1878 Sonoma Beach at mouth of Salmon Creek. 2 miles N of Bodega Bay Comment
  CAS-BOT-BC227642  Glyceria Peter Rubtzoff 1964-6-24 5382 Sonoma Coleman Marsh. Comment
  CAS-BOT-BC227663  Glyceria Peter Rubtzoff; Nancy Harrison 1978-5-20 9181 Sonoma Cunningham Marsh area., on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC227664  Glyceria Peter Rubtzoff 1964-5-30 5324 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa. Comment
  JEPS78861  Glyceria elata Edward Lee 1936-6-8 2222 Sonoma near Bohemian Grove entrance Comment
  CAS-BOT-BC282807  Glyceria leptostachya Peter Rubtzoff 1951-6-9 187 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC282811  Glyceria leptostachya Peter Rubtzoff 1954-6-6 1459 Sonoma Guarneville Marsh Comment
  RSA94258  Glyceria leptostachya Peter Rubtzoff 1951-6-17 285 Sonoma Northern half of Lower Marsh; Pitkin Marsh, near Forestville. Comment
  UCR244672  Glyceria occidentalis Peter Rubtzoff 1964-5-30 5324 Sonoma Santa Rosa Creek area about 1 mile east of the Laguna de Santa Rosa 24 Comment
  CAS-BOT-BC173574  Gnaphalium Peter Rubtzoff 1970-10-3 6403 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC303844  Gnaphalium Alice Eastwood 1921-5-8 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC166761  Gnaphalium palustre Peter Rubtzoff 1976-10-16 s.n. Sonoma Russian River Beach at Forest Hills, 5.5 miles east of Guerneville. Comment
  CDA13133  Gnaphalium palustre G. F. Hrusa, R. Gross 1996-6-3 13068 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  CAS-BOT-BC176134  Gnaphalium palustre Peter Rubtzoff 1951-9-3 740 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC251226  Gratiola Peter Rubtzoff 1974-5-11 7387 Sonoma Todd Road, 1.4 miles from hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA800602  Gratiola Peter Rubtzoff 1974-5-11 7387 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCR242983  Gratiola ebracteata Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  CAS-BOT-BC251304  Gratiola ebracteata Peter Rubtzoff 1963-6-18 5176 Sonoma Bennett Mountain Lake. Comment
  RSA800205  Gratiola ebracteata Peter Rubtzoff 1959-4-19 4039 Sonoma Laguna de Santa Rosa, east of Sebastopol, near Santa Rosa road crossing. Comment
  CAS-BOT-BC305171  Grindelia hirsutula Catherine Best 1982-8-18 s.n. Sonoma At Goat Rock Park Comment
  JEPS41888  Grindelia hirsutula Eleanor Armstrong 1932-6-20 493 Sonoma 2 mi sw Santa Rosa; Bennett Valley 60 Comment
  JEPS41905  Grindelia hirsutula R. F. Hoover 1941-6-7 5306 Sonoma Occidental Comment
  UC583035  Grindelia hirsutula P. A. Munz 1936-8-7 14306 Sonoma 2 mi n of Bodega (sea bluffs) Comment
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Feb 6 2013
  SEINET3142907  Grindelia hirsutula M. P. Dunford 1959-10-3 559 Sonoma 1.8 mi. NE of Mark West Springs on Mark West Road Comment
  UCD160836  Grindelia nana James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3371 a Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  CDA6169  Grindelia stricta T. Dowd, M. Smith 1979-6-2 Sonoma Dutcher Creek Road south of Cloverdale, west of Russian River. 0 Comment
  POM225966  Grindelia stricta var. platyphylla P. A. Munz 1936-8-7 14306 Sonoma 2 miles north of Bodega. Comment
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Feb 6 2013
  SEINET11689069  Hainardia cylindrica H. K. Wagnon 1989-1 1890 Sonoma adjacent to Fort Ross School's reservoir, Timber Cove 122 Comment
  CAS-BOT-BC302251  Harmonia nutans J. Clausen 1935-5-24 1077 Sonoma Adobe Canyon at Sonoma Creek, along base of first ravine above Kenwood Sprs. Comment
  CAS-BOT-BC306328  Hedypnois cretica John Thomas Howell 1931-4-18 6423 Sonoma At mouth of Salmon Creek, 2 miles n. of Bay Comment
  CAS-BOT-BC306325  Hedypnois cretica G. DeNevers 1981-5-26 1330 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  UC750807  Helenium bigelovii Charles B. Heiser Jr. 1946-5-19 1746 Sonoma Vine Hill Region Pitkin Marsh Comment
  CAS-BOT-BC262985  Helenium puberulum Peter Rubtzoff 1958-7-26 3796 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC309583  Helenium puberulum Peter Rubtzoff 1951-11-24 833 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  CAS-BOT-BC309584  Helenium puberulum D. E. Breedlove 1961-12-31 1442 Sonoma At S side of mouth of Russian River 6 Comment
  POM187816  Helenium puberulum Marcus E. Jones 1931-7-5 29103 Sonoma Cloverdale Comment
  UCD132751  Helenium puberulum Mary M. Hektner 1974-7-27 181 -A Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  HSC87844  Heliotropium curassavicum var. oculatum Clare R. Wheeler 1982-8-27 3278 Sonoma Wheatfield Fork of the S Fork Gualala River, ca. 1.5 mi. upriver from Twin Bridges (Annapolis Rd.) 15 Comment
  CAS-BOT-BC305993  Hemizonia David D. Keck; J. Clausen 1935-6-15 3371 Sonoma 1 mile north of mouth of Salmon Creek Comment
  UCD166251  Hemizonia Peter Rubtzoff 1970-8-5 6301 Sonoma 5 miles north of Sears Point. 11 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-BC305994  Hemizonia Peter Rubtzoff 1966-8-25 5803 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville Roads Comment
  RSA796387  Hemizonia Peter Rubtzoff 1969-8-28 6164 Sonoma 6.5 mi NE of Penngrove on Lichau Road. 427 Comment
  UCD166408  Hemizonia Peter Rubtzoff 1956-9-24 2943 Sonoma Stony Point Marsh. Comment
  RSA81576  Hemizonia clevelandii James I. McMurphy 1909-7-10 502 Sonoma Hills near Cloverdale. Comment
  CAS-BOT-BC371471  Hemizonia congesta Greg de Nevers 1993-8-7 10483 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa near barn 400 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
  RSA14739  Hemizonia congesta subsp. clevelandii L. S. Rose 1935-9-11 35622 Sonoma 2 mi N of Healdsburg. 40 Comment
  SD62035  Hemizonia congesta subsp. clevelandii Darley F. Howe 1965-8-14 Sonoma East of Santa Rosa. 120 Comment
  SD62041  Hemizonia congesta subsp. clevelandii Darley F. Howe 1965-8-3 Sonoma 4.4 miles west of Santa Rosa. Comment
  SEINET7096780  Hemizonia congesta subsp. congesta A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane. Ca. 1 mile east of Occidental. NAD27, 38.4070? deg. , -122.9289?_ (converted to WGS84) UTM Zone 10, 506210mE, 4250769mN. Comment
  SD53369  Hemizonia congesta subsp. congesta Darley F. Howe 1962-7-28 3358 Sonoma 6.3 miles east of Marin -Sonoma County line of Highway 37. Comment
Read comments
Sep 10 2008
  UCSB15710  Hemizonia congesta subsp. congesta Breedlove, Dennis 1961-12-31 Sonoma 2.3 miles south of Russian River on State Highway 1 30 Comment
  CAS-BOT-BC309673  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-9 713 Sonoma Petaluma Comment
  CAS-BOT-BC309674  Hemizonia congesta subsp. lutescens J. McMurphy 1909-8-8 s.n. Sonoma Leddy Station, between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC309692  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-8 701 c Sonoma Leddy Station between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC309697  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-8 701 b Sonoma Leddy Station between Santa Rosa and Sebastopol Comment
  JEPS119475  Hemizonia congesta subsp. lutescens Ann Howald 2011-8-30 2808 Sonoma North Coast Ranges: eastern Petaluma Valley, Manor Lane, 0.5 mi north of intersection with Old Adobe Road. Comment
  UC483683  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-9 5746 Sonoma 1 mi e Occidental Comment
  CAS-BOT-BC309667  Hemizonia congesta subsp. lutescens J. McMurphy 1909-7-10 504 Sonoma 4 miles north of Cloverdale Comment
  CAS-BOT-BC309696  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-10 717 -E Sonoma About a mi. W. of Santa Rosa on road to Fulton Comment
  JEPS116516  Hemizonia congesta subsp. lutescens Peter Warner 2009-6-3 102 Sonoma Poff Ranch, Wright Hill Road off State Hwy 1, in grassland 25 m S of main (west) gate 250 Comment
  UCD38976  Hemizonia congesta subsp. lutescens Beecher Crampton 1960-11-29 5809 Sonoma 4 miles southeast of Santa Rosa, Mantanzas Creek, 1/2 mile north of Benntett Valley Grange Hall. Comment
  SEINET4560744  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-1 2807 Sonoma North Coast Ranges: Sonoma Valley, Felder Creek drainage, west side of Macabee Rd., 0.2 mi. north of Felder Rd., west of Arnold Dr. 34 Comment
  UC990605  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-8-7 699 Sonoma 7 mi from Santa Rosa (on road to Calistoga) Comment
  UCD133003  Hemizonia congesta subsp. luzulifolia Lewis S. Rose 1964-8-26 64064 Sonoma 6.5 miles northeast of Penngrove. 426 Comment
  UCD55333  Hemizonia congesta subsp. luzulifolia Ellen Dean 2006-6-28 3177 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. East side of Pepperwood Reservoir. 150 Comment
  UCR233088  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2806 Sonoma North Coast Ranges, Sonoma Valley, Glen Ellen area, entrance road to Sonoma Valley Regional Park, 0.1 mi. west of Hwy 12 110 Comment
  CAS-BOT-BC309941  Hemizonia congesta subsp. luzulifolia David D. Keck 1933-11-10 2731 Sonoma 2.3 mi. S.W. of Shellville railroad station Comment
  RSA159434  Hemizonia lutescens James I. McMurphy 1909-8-8 701 -C Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  RSA81605  Hemizonia lutescens James I. McMurphy 1909-8-9 711 Sonoma Hills between Sonoma and Petaluma. Comment
  UC990611  Hemizonia luzulifolia subsp. luzulifolia James I. McMurphy 1909-8-8 706 Sonoma Sonoma Comment
  RSA81611  Hemizonia luzulifolia subsp. rudis James I. McMurphy 1909-8-8 705 Sonoma Near Kenwood. Comment
  SEINET12121673  Heracleum lanatum F. H. Utech 1986-1 86 -126 Sonoma 3 mi SW on Sonoma Mt. Rd from jct with CA 12, near Jack London Historical Park 200 Comment
  OBI77797  Heracleum maximum David J. Keil 1983-6-29 17194 Sonoma 5 mi N of Bodega Bay along hwy 1 Comment
  HSC100953  Hesperevax sparsiflora var. brevifolia Peter Warner 2011-5-13 192 Sonoma Jenner Headlands, Dairy Field, northern area, S of Johnson Ranch, ~300 m E of Hwy. 1. 121 Comment
  UC581115  Hesperevax sparsiflora var. sparsiflora H. L. Mason 1934-4-28 8091 Sonoma Jensen's Ranch; Dohrmann Creek Comment
  SD40697  Hesperocyparis sargentii Carl B. Wolf, E. R. Johnson 1934-10-13 Sonoma 2 miles from Occidental, Coys Ranch 89 Comment
  UC1212325  Hesperolinon clevelandii Helen K. Sharsmith 1947-5-30 3966 Sonoma s slope of mountain near Grant line; Inner North Coast Ranges, Hood Mountain 243 Comment
  CDA28491  Hesperolinon micranthum D. G. Kelch 2007-5-13 7 .295 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  RSA143958  Hesperolinon micranthum Roxana S. Ferris, Laura Lorraine 1961-6-15 13560 Sonoma Harrison Grade, 1.3 mile from junction with Green Valley Road Comment
  JEPS122891  Hesperolinon spergulinum Adam C. Schneider with Will Freyman and Yuri P. Springer 2014-5-21 649 Sonoma Along Pine Flat Rd accessed from Alexander Valley Rd. off of Hwy 101 north of Healdsburg Comment
  UC1212388  Hesperolinon spergulinum Helen K. Sharsmith 1952-6-18 4133 Sonoma 1 mi s Pine Flat; Inner North Coast Ranges, Mayacamas Mountains 609 Comment
  UC1212391  Hesperolinon spergulinum Helen K. Sharsmith 1952-7-23 4168 Sonoma 1.1 mi ne Skaggs Springs; Inner North Coast Ranges 106 Comment
  UC762260  Hesperolinon spergulinum Robert F. Hoover 1941-6-7 5305 Sonoma Occidental Comment
  UC762263  Hesperolinon spergulinum Robert F. Hoover 1941-6-7 5317 Sonoma 2 mi se Monte Rio (on road to Camp Meeker) Comment
  UCD167356  Hesperolinon spergulinum James Neilson 1982-6-8 4078 Sonoma Mayacmas Mountains. Just east of Castle Rock near Castle Rock Springs Camp. Comment
  OBI49064  Hesperolinon spergulinum Michener & Bioletti, Bioletti 1893-6-11 35 Sonoma Hoods Peak Comment
  SBBG7908  Heteranthemis viscidihirta E. D. Rowe -Jul-1940 Sonoma coast, Sonoma County [no specific locality] Comment
  CAS-BOT-BC149832  Heteromeles arbutifolia Peter Rubtzoff 1952-6-15 1268 Sonoma Fitch Mtn. Grove, near Healdsburg Comment
  CAS-BOT-BC149836  Heteromeles arbutifolia A. A. Heller 1902-7-8 5815 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC149837  Heteromeles arbutifolia W. R. Dudley 1895-2-1 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC311061  Heterotheca oregona var. oregona John Thomas Howell 1926-11-14 2252 Sonoma Between Rincon Valley and Santa Rosa Comment
  CAS-BOT-BC420942  Heuchera micrantha var. diversifolia D. E. Breedlove 1980-6-27 44763 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC420946  Heuchera micrantha var. diversifolia G. DeNevers 1981-4-25 808 Sonoma Pepper wood Ranch. Main Pepperwood entrance, along shaded Creek bank Comment
  CAS-BOT-BC424179  Heuchera micrantha var. erubescens Volney Rattan 1877-6-16 s.n. Sonoma Guerneville Comment
  UC496422  Heuchera micrantha var. erubescens Merle Randall 1930-6-7 Sonoma Redwood Forest Comment
  UCD102629  Heuchera pilosissima Mary M. Hektner 1975-6-3 205 Sonoma Unit 35-A Owner's Map, Sea Ranch, near State Highway 1. Comment
  UCD133165  Hieracium albiflorum J. M. Tucker 1951-6-26 2134 Sonoma near summit of range, on raod from Glen Ellen to Oakville. Comment
  SEINET9299749  Hierochloe occidentalis Unknown 1996-3-29 12738 Sonoma Guerneville Comment
  UCD164989  Hoita macrostachya Peter Rubtzoff; Nancy Harrison 1974-8-31 7857 Sonoma Pressley Road, 0.25 miles south of junction with Sonoma Mountain Road (2.7 miles north of Lichau Road junction). Comment
  UC818446  Holcus lanatus Marcus E. Jones, A. M. 1882-7-18 3546 Sonoma Duncan's Mills Comment
  UCD84979  Holcus lanatus M. Wiesendanger 1927-5-5 722 Sonoma Sonoma County. Sonoma. Comment
  JEPS128305  Holodiscus Roger Raiche 2009-8-30 045 .09 Sonoma The Cedars. Bullfrog Pond Area. Lower Russian River, East Austin Creek watershed. Comment
  RSA0060105  Holozonia filipes Greg de Nevers 1996-7-2 10854 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. On spillway of Dentist's Lake, and in creek below it. 91 Comment
  UC990581  Holozonia filipes James I. McMurphy 1909-8-18 704 Sonoma Kenwood Comment
  CAS-BOT-BC289282  Hordeum brachyantherum subsp. brachyantherum David L. Morgan 1956-5-13 s.n. Sonoma On Watmaugh Road, 1/2 mi. W. of junciton of Arnold Drive Comment
  CAS-BOT-BC289286  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1955-5-7 1819 Sonoma Ross Marsh Comment
  CAS-BOT-BC289287  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1955-5-7 1828 Sonoma Guerneville Marsh Comment
  UCD21129  Hordeum brachyantherum subsp. brachyantherum Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 304 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  SEINET7067246  Hordeum brachyantherum subsp. californicum A. G. Vestal 1947-5-13 s.n. Sonoma About 5 miles north of Fort Ross on Route 1. Coordinate datum: NAD27. Comment
  SEINET10927332  Hordeum jubatum Alan A. Beetle, G. Ledyard Stebbins Beetle 3577 Sonoma Corner of Wright Road & Rt. 12 in outskirts of Santa Rosa, open field, clay loam. Comment
  CAS-BOT-BC285186  Hordeum marinum subsp. gussoneanum G. DeNevers 1981-5-30 1342 Sonoma Pepperwood Ranch. N of Hansel's corral Comment
  CAS-BOT-BC285187  Hordeum marinum subsp. gussoneanum G. DeNevers; S. Kaza 1981-5-7 980 Sonoma 10510 Old Redwood Hwy. 2 mi NW of Windsor exit from 101 Comment
  UC1011010  Hordeum vulgare Virginia Bufford 1935-4-23 22 Sonoma back of barn (Santa Rosa); Santa Rosa Comment
  UC116850  Horkelia californica Alice Eastwood 1900-7-4 Sonoma Bodega Bay Comment
  UC473469  Horkelia californica John Thomas Howell 1930-6-8 5279 Sonoma 8 mi n Bodega Bay 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
  CDA18032  Horkelia californica subsp. dissita R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena spring, on north side of Mtn. 0 Comment
  CAS-BOT-BC536169  Horkelia californica var. elata A. A. Heller 1902-6-27 5783 Sonoma West of Windsor ner Russian River Comment
  JEPS78466  Horkelia tenuiloba Edward Lee 1936-6-7 Sonoma Near Highpoint (on the fire trail); Bohemiam Grove Comment
Read comments
Dec 10 2008
  UC353799  Horkelia tenuiloba Milo S. Baker 1899-5-1 3005 b Sonoma near Vine Hill; Pitkin Ranch Comment
  UC574867  Horkelia tenuiloba John Thomas Howell 1937-7-4 13083 Sonoma 5 mi n Sebastopol Comment
  CAS-BOT-BC146506  Horkelia tenuiloba Mr. Floyd Bailey; Mrs. Floyd Bailey 1925-4-26 96 a - local Sonoma Plantation Comment
  UCD113462  Horkelia tenuiloba G. F. Hrusa 1989-6-4 7187 Sonoma Headwaters of Agua Caliente Creek. NW exposure, just below summit. Comment
  UCD160894  Hosackia crassifolia James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3273 Sonoma Mayacmas Mountains, Caldwell Pines area, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC290631  Hypericum Peter Rubtzoff 1971-6-26 6576 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC400995  Hypericum anagalloides Peter Rubtzoff 1951-7-1 329 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC400998  Hypericum anagalloides Peter Rubtzoff 1958-6-1 3696 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Road) Comment
  JEPS78829  Hypericum concinnum Edward Lee 1936-6-7 2195 Sonoma fire trail s. ridge Bohemian Grove Comment
  SEINET5501095  Hypericum concinnum Sally Walker 1981-5-18 Sonoma Franz Valley Rd, .10 mi S of F.V. School Rd. Comment
  UCD160833  Hypericum perforatum subsp. perforatum James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3355 Sonoma Section 10, the Geysers. (Exact location unknown. Elevation and coordinates estimated by label maker.) 388 Comment
  JEPS128368  Hypochaeris glabra Roger Raiche 2000-5-5 099 A.00 Sonoma The Cedars. Bearpen Creek watershed (CalWater# 1114.120002). Comment
  UC496384  Hypochaeris glabra Merle Randall Sonoma Cazadero Comment
  UCD148322  Hypochaeris glabra Peter Rubtzoff 1953-11-1 1429 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC316683  Hypochaeris glabra G. DeNevers 1981-5-9 1061 A Sonoma Below the Strebel Homestead, Pepperwood Ranch Comment
  CAS-BOT-BC316684  Hypochaeris glabra G. DeNevers 1981-4-20 766 Sonoma Pippendale farm beween Studio and the ridge top, Pepperwood Ranch Comment
  UC1301036  Hypochaeris radicata Helen K. Sharsmith 1963-5-25 5482 Sonoma on road from Freestone to Occidental; San Francisco Bay Region 121 Comment
  UC1084479  Iris douglasiana G. Thomas Robbins 1938-4-15 252 Sonoma about 2.5 mi e Bodega Comment
  UC571179  Iris douglasiana H. L. Mason 1928-4-8 4282 Sonoma Fort Ross Comment
  SD56828  Iris douglasiana Darley F. Howe 1963-5-23 Sonoma 4.5 miles north of Cloverdale. 366 Comment
  UCD138711  Iris douglasiana Marilyn J. Veron 1976-5-2 16 Sonoma 2.1 miles northeast of Bodega Bay on Bay Hill Road. Comment
  UC1520700  Iris macrosiphon R. Raiche 1985-4-6 50175 Sonoma w of Healdsburg (Dry Creek area, ridge w side of Dry Creek Valley, n of Dorman Canyon to Bradford Mt. area); Dry Creek Valley, Dry Creek Area 243 Comment
  RSA123134  Iris macrosiphon E. Armstrong 1934-3-26 937 Sonoma 4 miles north of Camp Meeker 91 Comment
  CAS-BOT-BC376228  Isoetes Greg de Nevers 1993-3-7 10318 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Above Double Ponds spring 304 Comment
  HSC7451  Isolepis cernua A. A. Beetle 1941-7-8 2854 Sonoma 5 mi. S of Stewart's ('Steward') Point 24 Comment
  POM180614  Isolepis cernua J. T. Howell 1930-6-8 5276 Sonoma Salt marsh at north end of Bodega Bay. Comment
  CAS-BOT-BC340225  Jaumea carnosa Peter Rubtzoff 1962-7-14 5001 Sonoma Lower Salmon Creek Marsh Comment
  SEINET265720  Juglans californica Royal D. Suttkus 1967-6-25 67- 28 -1 Sonoma Russian River 1 mi E of Alexander Comment
  CAS-BOT-BC101969  Juglans hindsii Walter Knight; Irja Knight; John Thomas Howell 1984-10-12 5071 Sonoma 1/10 mile south of Petaluma Ave. on Arnold Drive, El Verano Comment
  UCD141322  Juncus balticus subsp. ater Botany 102 Students 1993-5-8 251 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. In Adobe Canyon. Comment
  UC842252  Juncus bolanderi Marcus E. Jones, A. M. 1882-7-17 3523 Sonoma Duncan's Mills Comment
  UCR222350  Juncus bufonius var. bufonius George K. Helmkamp, E. A. Helmkamp 2010-6-4 16234 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
  CAS-BOT-BC368096  Juncus capitatus Greg de Nevers 1998-5-5 11232 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  UCR51378  Juncus effusus L. F. LaPre 1987-6-28 s.n. Sonoma North Coast Range, Pine Flat Road, spring near Contact Mine Comment
  SEINET3878596  Juncus effusus Kaye H. Thorne 1984-11-22 3667 Sonoma Sea Ranch, Black Point near Lodge.; 0 Comment
  CAS-BOT-BC157984  Juncus effusus subsp. pacificus Peter Rubtzoff 1959-6-20 4177 Sonoma Willow Creek Marsh Comment
  CHSC105755  Juncus effusus subsp. pacificus Peter F. Zika 2008-7-21 23922 Sonoma San Francisco Bay (SnFrB). E side of Route 116 at Llano Road. 40 Comment
  CAS-BOT-BC173511  Juncus hesperius Peter Rubtzoff 1969-8-14 6137 Sonoma Sonoma: Coleman Marsh Comment
  SD260861  Juncus hesperius Peter Rubtzoff 1970-9-3 6374 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek Crossing. Comment
  POM261452  Juncus kelloggii Alice Eastwood, John Thomas Howell 1940-5-5 7866 Sonoma Summit of Bennett Valley Road. Comment
  CAS-BOT-BC290569  Juncus lescurii Peter Rubtzoff 1959-6-20 4179 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC328116  Juncus lescurii Peter Rubtzoff 1954-8-9 1663 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC328117  Juncus lescurii Peter Rubtzoff 1962-10-9 5117 Sonoma Lower Salmon Creek Marsh. Comment
  RSA94015  Juncus phaeocephalus var. phaeocephalus Peter Rubtzoff 1951-7-21 509 Sonoma Pitkin Marsh, near Forestville; Between the Upper and the Lower marshes. Comment
  UCD142923  Juncus tenuis R. Tofsrud 1947-5-4 s.n. Sonoma Parker Hill near Santa Rosa. Comment
  UCD164994  Juncus xiphioides Peter Rubtzoff; Nancy Harrison 1974-9-7 7871 Sonoma Hinebaugh Creek in Rohnert Park. Creek bed, west of Commerce Blvd. crossing. Comment
  CAS-BOT-BC235865  Keckiella corymbosa Belle Richardson Jackson 1924-8-1 s.n. Sonoma Mt. St. Helena Comment
  RSA0023016  Kickxia Peter Rubtzoff 1973-8-20 7228 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UCR248737  Kickxia spuria Peter Rubtzoff 1970-9-8 6381 Sonoma marsh on River Road, c. 3 miles west of Fulton 27 Comment
  UCD85836  Koeleria macrantha P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. Comment
  HSC100956  Koeleria macrantha Peter Warner 2011-5-13 195 Sonoma Jenner Headlands, Upper Russian Gulch Pasture,~1.5 km, N70 deg. E of Hwy. bridge at Russian Gulch, ~ 90 m N of power lines. 203 Comment
  CAS-BOT-BC273780  Koeleria pyramidata Catherine Best 1981-5-2 s.n. Sonoma Stoetz Lane, north of Occidental 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
  CAS-BOT-BC341707  Lagophylla ramosissima John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53963 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  UCD63273  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point. Comment
  UCD34820  Lamarckia aurea Beecher Crampton 1963-5-27 6813 Sonoma Sonoma County, border with Mendocino County, ca. 3 - 4 miles north of Cloverdale. Comment
  UCR131627  Lamarckia aurea Beecher Crampton 1954-4-26 1793 Sonoma N end of Alexander Valley, border of Mendocino Co., 3 miles north of Cloverdale along U.S. Highway 101 122 Comment
  CAS-BOT-BC173573  Lamiaceae Peter Rubtzoff 1967-9-2 5880 Sonoma Forest Hills (5.5 mi. east of Guerneville). Comment
  JEPS27654  Lamium purpureum Wayne Roderick 1962-3-20 Sonoma near Sebastopol Comment
  JEPS86815  Lamium purpureum Jack and Betty Guggolz 1991-5-14 1133 Sonoma s of Lone Pine Road (w of Hwy 116) 27 Comment
  UCSC007232  Lasthenia Randall Morgan 2003-6-27 3992 Sonoma Colony on low coastal bluff halfway along Salt Pt. State Park, Sonoma Coast Comment
  JEPS86746  Lasthenia burkei Jack and Betty Guggolz 1990-4-6 1029 Sonoma 1.25 mi nw old Windsor (Kidd Development) 41 Comment
  UCR267442  Lasthenia burkei Ayzik Solomeshch 2009-5-11 s.n. Sonoma Northwest of the city of Santa Rosa, south of River Rd. and west of Fulton Rd., just north of Wood Rd. Sampling pool # 4 45 Comment
  CAS-BOT-BC346328  Lasthenia californica A. A. Heller; H. E. Brown 1902-4-15 s.n. Sonoma Santa Rosa Creek Comment
  UC30450  Lasthenia californica H. N. Bolander 1864-1 3846 Sonoma Mark West Comment
  JEPS19389  Lasthenia californica subsp. californica G. Thomas Robbins 1938-4-15 225 Sonoma 2.5 mi e Bodega Bay Comment
  UCD158815  Lasthenia californica subsp. californica James A. Neilson Jr. 1974-4-17 3056 Sonoma Mayacmas Mountains. Big Geysers. (Elevation estimated using topo map by label maker.) 548 Comment
  CAS-BOT-BC324413  Lasthenia californica subsp. macrantha Mrs. H. C. Cantelow 1936-1-26 1102 Sonoma Bodega Bay Comment
  SEINET11447679 Image available Lasthenia californica subsp. macrantha K. Brandegee 1905-6-27 s.n. Sonoma Near Bodega Bay Comment
  JEPS86328  Lasthenia glaberrima Jack and Betty Guggolz 1988-3-30 907 Sonoma about 200 m w Fulton Road (and 400 m n of Guerneville Road) Comment
  RSA123035  Lasthenia macrantha subsp. bakeri H. S. Yates 1934-4-21 3787 Sonoma Near Bodega 61 Comment
  CAS-BOT-BC370853  Lasthenia minor John Thomas Howell 1931-4-18 6420 Sonoma mouth of Salmon Creek, 2 miles n. of Bay Comment
  CAS-BOT-BC370854  Lasthenia minor John Thomas Howell 1931-4-18 6420 Sonoma mouth of Salmon Creek, 2 miles n. of Bay Comment
  UC584181  Lasthenia minor J. Clausen 1935-5-24 1084 Sonoma 5 mi s of Jenner Comment
  POM253183  Lasthenia minor A. A. Heller 1938-5-14 15080 Sonoma On the bluff N of Bay, Bodega Bay. Comment
  UCD106212  Lathyrus cicera Christine Lee 1993-4-24 89 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. 411 Comment
  UC1084420  Lathyrus jepsonii var. californicus G. Thomas Robbins 1937-5-23 189 Sonoma near Wright School (between Santa Rosa and Sebastopol) Comment
  UCR218646  Lathyrus latifolius George K. Helmkamp, E. A. Helmkamp 2010-6-4 16211 Sonoma North Coast Ranges, Mark West Springs Road (Porter Creek Rd.), about five miles east of its junction with US-101, 5.85 air mi. east (88 deg. ) of Windsor 145 Comment
  UCD148415  Lathyrus tingitanus Peter Rubtzoff 1958-9-28 4018 Sonoma Guerneville region, Vacation Beach, near Guerneville. 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
  UC864425  Lathyrus vestitus var. alefeldii Marcus E. Jones, A. M. 1882-7-17 3576 Sonoma Duncan's Mills Comment
  UCSB22473  Lathyrus vestitus var. ochropetalus McCarthy, Sharon 1965-4-16 Sonoma North of junction of 5th Street West and Verano Avenue, Sonoma 60 Comment
  UC1537075  Layia chrysanthemoides Gordon H. True Jr. 1938-4-13 862 Sonoma near Sonoma 60 Comment
  UC913070  Layia chrysanthemoides David D. Keck 1931-4-2 997 Sonoma Boyes Springs 30 Comment
  SEINET7067259  Layia gaillardioides A. G. Vestal 1947-5-13 s.n. Sonoma Dunes at Bodega Head. Coordinate datum: NAD27. UTM 10, 494317mE, 4240128mN. Comment
  CAS-BOT-BC379623  Layia platyglossa J. Clausen 1935-5-24 1094 Sonoma 6.5 miles south of Jenner Comment
  CAS-BOT-BC379624  Layia platyglossa Alice Eastwood 1915-6-29 4836 Sonoma Bodega Point Comment
  SEINET7067227  Layia platyglossa A. G. Vestal 1947-5-12 s.n. Sonoma Stinson Beach [presently Stenson Beach State Park]. Coordinate datum: NAD27. UTM Zone 10, 531872mE, 4193954mN. Comment
  UCD133977  Layia platyglossa Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-19 36 Sonoma Sea Ranch, near State Highway 1, Unit 24 Owners' Map. Comment
  CAS-BOT-BC329304  Layia septentrionalis H. E. Brown; A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood Comment
  RSA106768  Ledum glandulosum subsp. columbianum L. S. Rose 1955-6-2 55058 Sonoma Pitkin Marsh, w. of Vine Hil Road, 10 mi. w. of Santa Rosa. 30 Comment
  CAS-BOT-BC274361  Leersia oryzoides Peter Rubtzoff 1961-10-15 4759 Sonoma Vacation Beach, 2 mi. below Guerneville Comment
  CAS-BOT-BC210096  Lemna gibba Peter Rubtzoff 1969-7-5 6106 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road Comment
  UC971684  Lemna gibba Leo Koch 1940-6-12 1011 Sonoma 3 mi n of Santa Rosa (behind Fountaingrove Vineyard along Highway 101) Comment
  CAS-BOT-BC527253  Lemna gibba Peter Rubtzoff 1961-8-6 4674 Sonoma Americano Creek 1/2 mile east of Valley Ford, Sonoma County Marshes Comment
  CAS-BOT-BC344881  Lemna minor Peter Rubtzoff 1962-8-24 5067 Sonoma Guerneville Marsh. Comment
  UCR256957  Lemna minor Peter Rubtzoff 1954-8-13 1710 Sonoma Bodega Head Marsh 2 Comment
  CAS-BOT-BC527281  Lemna minuta Peter Rubtzoff 1951-9-2 705 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC210097  Lemna valdiviana Peter Rubtzoff 1969-7-5 6105 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road Comment
  SDSU4693  Leontodon saxatilis D. F. Howe 1963-7-3 3575 Sonoma 20 miles north of junction with #12 on #1. Comment
  CAS-BOT-BC339164  Leontodon saxatilis subsp. saxatilis Peter Rubtzoff 1951-7-8 394 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC215729  Lepechinia calycina Walter Knight; Irja Knight 1964-1-17 512 Sonoma Upper Hooker canyon, Cavedale Road Comment
  UCD124767  Lepechinia calycina Frederica Bowcutt 1994-6-25 1923 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. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. 670 Comment
  CAS-BOT-BC176125  Lepidium didymum Peter Rubtzoff 1958-8-9 3840 Sonoma Laguna de [Snata] Santa Rosa north of Sebastopol (nr. Occidental road) Comment
  CAS-BOT-BC89146  Lepidium didymum Peter Rubtzoff 1987-10-17 9870 Sonoma Russian River at Forest Hills, 5.5 mile east of Guerneville, 9981 Old River Road near Forest Hills Road junction. Comment
  CHSC28849  Lepidium nitidum Jane A. Rogers 1979-4-14 9 Sonoma Ca. 100 yds. e of end of Hart Lane, ca. 1/4 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. 27 Comment
  UC10632  Lepidium virginicum Alice King Sep 1897 Sonoma Healdsburg Comment
  CAS-BOT-BC226543  Leptosiphon acicularis John Thomas Howell 1948-4-18 24210 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC226544  Leptosiphon acicularis John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54664 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  RSA54040  Leptosiphon acicularis J. T. Howell 1948-4-18 s.n. Sonoma Hills east of Agua Caliente. Comment
  POM179768  Leptosiphon androsaceus J. T. Howell 1930-6-8 5254 Sonoma 1 mile east of Bodega Bay Comment
  JEPS117075  Leptosiphon androsaceus Peter Warner 2010-5-6 144 Sonoma Annadel State Park, in grassland along Canyon Trail, ~750 m W of junction with Marsh Trail, ~950 m W of dam at Lake Ilsanjo Comment
  RSA0063629  Leptosiphon androsaceus A. A. Heller, H. E. Brown 1902-4-2 5199 Sonoma Hills Northeast of Santa Rosa. Comment
  CAS-BOT-BC226695  Leptosiphon jepsonii Rimo Bacigalupi 1926-5-2 1366 Sonoma Cazadero Comment
  CAS-BOT-BC226698  Leptosiphon jepsonii Alice Eastwood; John Thomas Howell 1938-5-15 5508 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC226700  Leptosiphon jepsonii G. DeNevers 1981-4-8 664 Sonoma Pepperwood Ranch. Pippindale Farm. Hansel's cow pasture, at trail over her driveway Comment
  CHSC23090  Leptosiphon parviflorus Robert A. Schlising 1962-3-31 2118 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  SEINET1782117  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa. Comment
  UC1287406  Lessingia hololeuca Willard Spence 1960-9-13 630 Sonoma 2 mi s Monte Rio (on road to Camp Meeker and Occidental) Comment
  UC33158  Lessingia hololeuca Edw. L. Greene 1888-1-1 Sonoma Comment
  CAS-BOT-BC451706  Lilaea scilloides Greg de Nevers 1997-5-30 11011 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC451702  Lilaea scilloides Lewis S. Rose 1962-4-11 62019 Sonoma Laguna de Santa Rosa, 1/2 mi. e of Cunningham 15 Comment
  CAS-BOT-BC451707  Lilaea scilloides Peter Rubtzoff 1954-8-13 1719 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC130828  Lilium pardalinum Peter Rubtzoff 1951-7-21 498 Sonoma Northern half of Lower Marsh Comment
  JEPS19560  Limnanthes alba Milo S. Baker 1923-5-1 Sonoma 1 mi ne Glen Ellen; Warfield R.R. Station Comment
  JEPS100940  Limnanthes douglasii subsp. douglasii Dean W. Taylor 1994-5-4 14203 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
  UC635574  Limnanthes douglasii subsp. douglasii A. E. Borell 1928-4-13 139 Sonoma Petaluma Comment
  RSA129915  Limnanthes douglasii subsp. douglasii Peter H. Raven 1950-4-6 1584 Sonoma Cotati to Santa Rosa. 152 Comment
  UC73451  Limnanthes douglasii subsp. douglasii Milo S. Baker Apr. 1899 Sonoma Santa Rosa to Stony Point (roadside) 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
  UC971868  Limnanthes douglasii subsp. douglasii Charles T. Mason Jr. 1948-3-7 1117 Sonoma along Sonoma-Glen Ellen-Santa Rosa road; ditch at crossroad 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
  SEINET5556953  Limnanthes douglasii var. nivea H. S. Gentry 1962-1 19701 Sonoma Oakville. Comment
  CAS-BOT-BC45945  Limnanthes vinculans Peter Rubtzoff 1958-5-10 3643 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Road). Comment
  CAS-BOT-BC45951  Limnanthes vinculans John Thomas Howell 1947-6-5 23233 Sonoma Cunningham Marsh Comment
  JEPS39648  Limnanthes vinculans Robert Ornduff 1965-5-8 6864 Sonoma se of Cunningham (at junction of Hessel Road and Calif. Hwy. 116) Comment
  RSA215940  Limnanthes vinculans Peter Rubtzoff 1958-5-3 s.n. Sonoma Atascadero Creek Margin Comment
  UCR279882  Limosella acaulis Peter Rubtzoff 1964-8-20 5469 Sonoma 1 mile southeast of Jenner; near crossing of Hwys 1 & 12 4 Comment
  RSA800897  Limosella acaulis Peter Rubtzoff 1970-9-16 6220 Sonoma 5 miles north of Sears Point. Comment
  UC566182  Linanthus androsaceus E. Armstrong 1934-3-26 936 Sonoma 4 mi n Camp Meeker; Sebastopol Quad. 60 Comment
  UC907791  Linanthus androsaceus Milo S. Baker 1926-1-1 3851 Sonoma 1 mi e Bodega Bay (Bodega Bay road) Comment
  UC908664  Linanthus jepsonii Herbert L. Mason 1940-5-21 12293 Sonoma Head of Maycama Creek Knights Valley Comment
  UC908795  Linanthus jepsonii Herbert L. Mason 1928-4-13 4339 Sonoma Reibli School, near springs 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
  SEINET12186161  Linum bienne F. H. Utech 1988-1 88 -189 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 Comment
  CAS-BOT-BC437151  Lithophragma heterophyllum Mrs. Clara Hunt 1921-4-1 s.n. Sonoma Mt. St. Helena Comment
  CAS-BOT-BC283295  Lolium multiflorum H. S. Yates 1937-5-30 6551 Sonoma 1.5 miles E of Occidental Comment
  SEINET11690148  Lolium multiflorum J. T. Howell, Knight, W.; Knight, I. 1987-1 6231 Sonoma Todd Road Preserve, NE corner of Llano & Todd Rds 24 Comment
  RSA94286  Lolium perenne Peter Rubtzoff 1951-7-14 426 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  SD99412  Lomatium californicum Christopher Davidson 1977-6-20 6021 Sonoma Dry Creek Road, 9.3 miles west of Geyersville 89 Comment
  CAS-BOT-BC368074  Lomatium caruifolium Greg de Nevers 1998-6-10 11275 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  UCD136302  Lomatium utriculatum M. Rei Scampavia Evangelista 2012-5-4 4 Sonoma Santa Rosa. From the intersection of Franz Valley Road and the entrance to Pepperwood Preserve, travel down Pepperwood Road towards the Visitor Center. Take a left at the sign for the Betchel House. Follow signs on dirt roads that direct towards Three Tree Hill. Park at the top of Three Tree Hill, then take a bearing of 280 degrees for 260 meters. 408 Comment
  CAS-BOT-BC240652  Lonicera hispidula G. DeNevers 1981-6-15 1537 Sonoma Pepperwood Ranch. Below the Rogers Apple Orchard Comment
  UC765586  Lonicera hispidula var. vacillans Robert F. Hoover 1941-6-7 5302 Sonoma Molino-Occidental Comment
  CAS-BOT-BC243999  Lonicera involucrata var. ledebourii Mary P. Wells 1984-8-9 447 Sonoma Public path through golf course to the see, The Sea Ranch Comment
  CAS-BOT-BC540833  Lonicera involucrata var. ledebourii Peter Rubtzoff 1958-5-17 3681 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Rd.) Comment
  UC618378  Lotus angustissimus Milo S. Baker May 1935 8067 Sonoma n of Wrights Beach (Coast Highway) Comment
  UC1129051  Lotus formosissimus H. S. Yates 1934-4-21 3792 Sonoma near Bodega; Sebastopol Quad. 91 Comment
  UC496417  Lotus humistratus Merle Randall 1930-6-11 Sonoma Cazadero Comment
  SEINET12165193  Lotus humistratus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -182 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  UC424867  Lotus stipularis var. stipularis Milo S. Baker Jun 1929 3573 c Sonoma near Vine Hill School House Comment
  UC750814  Lotus stipularis var. stipularis Charles B. Heiser Jr. 1946-5-19 1738 Sonoma w of Santa Rosa; Vine Hill Comment
  RSA0059082  Lotus subpinnatus Greg de Nevers 1992-5-2 10138 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd. Along Franz Creek. 91 Comment
  UC81110  Lotus wrangelianus Alice Eastwood 1899-6-9 Sonoma Bodega Point Comment
  CAS-BOT-BC478122  Ludwigia Peter Rubtzoff 1986-8-31 9731 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  UCD66024  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 50 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  UCD66045  Ludwigia hexapetala Robert McKee; Greg Woods 2006-7-31 06- 54 -LU Sonoma Russian River upstream of Wohler Bridge @ Sonoma County Water Agency collectors. 10 Comment
  CAS-BOT-BC251195  Ludwigia palustris Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7800 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC258921  Ludwigia palustris Peter Rubtzoff 1958-8-9 3858 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC272850  Ludwigia palustris Peter Rubtzoff 1954-8-12 1698 Sonoma Bennett Mountain Lake. Comment
  RSA800589  Ludwigia palustris Peter Rubtzoff 1966-6-26 5763 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  RSA800129  Ludwigia palustris var. pacifica Peter Rubtzoff 1954-6-7 1486 Sonoma Guerneville Marsh Comment
  SEINET7067330 Image available Lupinus A. G. Vestal 1947-5-16 s.n. Sonoma About 8.2 miles East of Windsor on Mendocino Avenue [in Santa Rosa]. Coordinate datum: NAD27. UTM Zone 10, 524713mE, 4255867mN. Comment
  CAS-BOT-BC201292  Lupinus Charles Piper Smith 1948-6-14 48386 Sonoma Glen Ellen - Triniti Road - Highway 12 junction, 1.5 miles east Comment
  CAS-BOT-BC201296  Lupinus Charles Piper Smith 1947-6-25 47569 Sonoma Highway 1, Jenner, 1.6 miles north Comment
  CAS-BOT-BC201297  Lupinus Charles Piper Smith 1947-6-19 47533 Sonoma Highway 1, Jenner, 1 mile south Comment
  UCD167634  Lupinus albifrons James A. Neilson Jr. 1977-3-7 3846 Sonoma Mayacmas Mountains. Near soulth base Mt. St. Helena. (Exact location unknown. Coordinates estimated by label maker.) Comment
  HSC14956  Lupinus albifrons S. N. Wiemeyer 1962-4-13 11 Sonoma 2.1 mi. N of jct. of Calistoga and Hwy. 12 274 Comment
  CAS-BOT-BC195983  Lupinus albifrons var. albifrons Alice Eastwood; John Thomas Howell 1938-5-15 5514 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC195984  Lupinus albifrons var. albifrons Alice Eastwood 1939-3-20 18902 Sonoma Near Russian River a few miles north of Cloverdale Comment
  UCD106018  Lupinus albifrons var. albifrons A. A. Heller; H. E. Brown 1902-3-27 5162 Sonoma Western Base of Mt. Hood Comment
  JEPS85896  Lupinus arboreus Jack and Betty Guggolz 1991-6-1 1160 B Sonoma between Hwy 1 and the ocean just s Meyers Grade; between Hwy 1 and the ocean 182 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
  CAS-BOT-BC311854  Lupinus bicolor subsp. tridentatus Peter Rubtzoff 1970-8-25 6340 Sonoma On Austin Creek beach, 0.5 miles north of Cazadero. Comment
  CAS-BOT-BC8409  Lupinus bicolor var. tridentatus Alice Eastwood 1921-4-24 10369 Sonoma Santa Rosa Comment
  UCD107010  Lupinus chamissonis M. Barbour 1970-11-30 s.n. Sonoma Bodega Head. Comment
  RSA442341  Lupinus densiflorus var. densiflorus E. A. Purer 1932-7-24 s.n. Sonoma near Bodega bay. Comment
  POM253151  Lupinus densiflorus var. densiflorus A. A. Heller 1938-5-14 15092 Sonoma Hills between Petaluma and Napa. Comment
  HSC14968  Lupinus densiflorus var. palustris H. E. Parks, S. T. Parks 1930-5-9 600 Sonoma West end of Knights Valley 152 Comment
  SEINET10485343  Lupinus formosus P. Rubtzoff 1974-6-22 Rubtzoff 7624 Sonoma Todd road, 1.5 mi from hwy 116 and .5 mi from (w of) llano road. Vernally wet, Now dry meadow. Comment
  UC201962  Lupinus formosus Milo S. Baker May 1899 Sonoma on Occidental Road Green Valley near Gallager's Green Valley Comment
  RSA372144  Lupinus formosus var. formosus David B. Dunn, M. L. Conrad, LeDoux 1973-6-9 20712 Sonoma 5.3 miles east of the junction of Highway 101 and Highway 116 on 116. Comment
  UCR255745  Lupinus latifolius Greg de Nevers 1998-4-28 11210 Sonoma North Coast Range, Cresta Ranch, Cresta Road east of Mark West Lodge, on flood plain of Mark West Creek 137 Comment
  SEINET10490782  Lupinus latifolius subsp. latifolius Robert F. Thorne 1965-4-19 Thorne 34317 Sonoma Fls violet; on well-drained embankment in douglas-fir forest; harrison grade, 1/2 Mi. From green valley rd.; With calycanthus, pseudotsuga, umbellularia, etc 152 Comment
  UC501357  Lupinus microcarpus var. densiflorus H. E. and S. T. Parks 1930-5-9 600 Sonoma w end Knights Valley; w end of Knights Valley Comment
  JEPS86765  Lupinus microcarpus var. microcarpus Jack and Betty Guggolz 1990-6-16 1065 Sonoma one mi nnw Camp Meeker (at the upper end of a reservoir on Grub Creek); Grub Creek 85 Comment
  UC727104  Lupinus microcarpus var. microcarpus A. A. Heller 1940-5-17 15635 Sonoma along State Highway #1, one mi e Valley Ford; e of Valley Ford Comment
  UC865139  Lupinus microcarpus var. microcarpus W. Bridge Cooke 1942-7-5 16354 Sonoma along State Route 1, s Fort Ross; s of Fort Ross Comment
  UC1129626  Lupinus nanus B. Schreiber 1936-3-5 2212 Sonoma 2 mi wnw Mark West Springs; Healdsburg Quad., wnw of Mark West Springs 121 Comment
  SEINET13184149 Image available Lupinus nanus A. G. Vestal 1955-5-7 s.n. Sonoma Comment
  SEINET10970295  Lupinus nanus subsp. nanus Mcberty 1961-5-13 MCBERTY 35 Sonoma In moist, open pasture at end of hutchins avenue, 1 mi e of sebastopol. Comment
  RSA87076  Lupinus nanus var. apricus F. W. Peirson, Mabel B. Peirson 1926-4-1 6545 Sonoma 4 miles north of Ignacio. Comment
  CAS-BOT-BC311853  Lupinus polycarpus Peter Rubtzoff 1974-5-11 7394 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  HSC34852  Lupinus polycarpus Thomas W. Nelson 1975-5-8 1810 Sonoma Beside Hwy. 101 at Asti Comment
  UC725888  Lupinus variicolor A. A. Heller 1940-5-17 15637 a Sonoma along State Highway #1, 2 mi w Valley Ford; w of Valley Ford Comment
  POM304144  Lupinus variicolor H. C. Cantelow 1940-4-20 s.n. Sonoma 2 miles S of S. end of Russian River Bridge, Highway 1. Comment
  SEINET10489101  Lupinus variicolor H. Dearing, M. Dearing 1939-5-14 Dearing 3349 Sonoma From coast on russian river. Prostrate, flower stalks ascending, leaves green Two and a half inches long, banner whitish, wings deep blue. Comment
  RSA177939  Luzula comosa Robert F. Thorne 1965-4-20 34337 Sonoma Parker Hill Road ca. 2 1/2 miles N of Santa Rosa and 1 mile N of Sonoma County hospital. 107 Comment
  POM170557  Luzula comosa A. A. Heller, H. E. Brown 1902-3-26 2793 Sonoma Santa Rosa Creek. Comment
  CHSC20576  Luzula macrantha Robert A. Schlising 1962-3-31 2129 Sonoma Coast Ranges. Ca 2 mi NE of Kenwood along road in to Sugarloaf Ridge. Comment
  OBI78308  Lysimachia latifolia Ann C. Likins 1970-5-16 133 Sonoma Starret Hill Dr, 1 mi W of Monte Rio, near Russian river 30 Comment
  RSA0015996  Lythrum hyssopifolia Peter Rubtzoff 1954-8-10 1683 Sonoma Bodega Head Marsh. Comment
  RSA0015997  Lythrum hyssopifolia Peter Rubtzoff 1954-7-4 1521 Sonoma Southwest area adjoining Austin Creek Marsh. Comment
  RSA0016000  Lythrum hyssopifolia Milo S. Baker 1951-07 12321 Sonoma Yard of Ada Hunkins near Kenwood. Comment
  RSA0016031  Lythrum tribracteatum Peter Rubtzoff 1970-5-30 6244 Sonoma 5 mi. N of Sears Point. Comment
  UCD166068  Madia Peter Rubtzoff; H. A. Froebe 1971-5-30 6457 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC173560  Madia Peter Rubtzoff 1975-8-16 8324 Sonoma Bennett Mountain Lake. Comment
  CHSC107497  Madia elegans D. G. Kelch; Troy McGregor 2010-8-22 10 .355 Sonoma Nr Peak of Geyser Peak Rd. Comment
  CAS-BOT-BC344033  Madia elegans Peter Rubtzoff 1952-7-20 1307 Sonoma Pitkin Ranch, Vine Hill region Comment
  CAS-BOT-BC344034  Madia elegans James I. McMurphy 1909-5-29 s.n. Sonoma Mountains near The Geysers Comment
  RSA81561  Madia elegans subsp. densifolia James I. McMurphy 1906-7-17 s.n. Sonoma Fulton. Comment
  UC33228  Madia exigua W. A. Setchell 1897-6-16 Sonoma Casadero Comment
  UCD136442  Madia exigua M. Rei Scampavia Evangelista 2012-5-20 12 Sonoma Cazadero. Cook House Site at The Cedars. 262 Comment
  CAS-BOT-BC166728  Madia gracilis Peter Rubtzoff 1964-6-24 5366 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC166733  Madia gracilis Peter Rubtzoff 1967-9-2 5876 Sonoma Freestone Marsh. Comment
  JEPS128310  Madia gracilis Roger Raiche 2000-5-27 106 .00 Sonoma The Cedars, road into The Cedars at bridge (before 2nd crossing. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC343472  Madia gracilis Catherine Best 1984-4-22 927 Sonoma Buena Vista Winery south of Sonoma Comment
  POM231097  Madia nutans Jens Clausen 1935-5-24 1077 Sonoma Adobe Canyon at Sonoma Creek, along base of first ravine above Kenwood Springs. Comment
  CAS-BOT-BC166725  Madia sativa Peter Rubtzoff 1962-10-9 s.n. Sonoma Goat Rock area of Sonoma Coast State Park, 1.6 miles from Hwy. 1. Comment
  CAS-BOT-BC345231  Madia sativa James I. McMurphy 1909-8-8 703 Sonoma Leddy, electric r.r. station between Santa Rosa and Sebastopol Comment
  RSA81546  Madia sativa James I. McMurphy 1909-8-8 703 Sonoma Leddy Station between Santa Rosa and Sebastopol. Comment
  UC990650  Madia sativa James I. McMurphy 1909-8-8 703 Sonoma electric RR station between Santa Rosa and Sebastopol; Leddy Comment
  UCD139078  Maianthemum racemosum M. Wiesendanger 1927-5-5 724 Sonoma Kenwood Springs. Comment
  SEINET12052825  Maianthemum stellatum F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -51 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  JEPS87222  Malacothrix floccifera Jack and Betty Guggolz 1992-5-17 1304 Sonoma e of Geyserville (Anderson Trail on the w side of Black Mountain); Black Mountain 609 Comment
  RSA128555  Marah oregana P. H. Raven 1950-4-6 1601 Sonoma Lower slopes of Rincon Ridge. Comment
  UCD134584  Matricaria discoidea Gerry North 1993-4 23 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. South of Hillside Trail, at fork by water tank. 426 Comment
  CAS-BOT-BC348310  Matricaria occidentalis Peter Rubtzoff 1970-5-30 6239 Sonoma 5 mi. north of Sears Point Comment
  UC855219  Meconella californica Alice Eastwood 1917-5-10 Sonoma on rd Bodega Point Comment
  CAS-BOT-BC268116  Medicago Peter Rubtzoff 1956-9-14 2890 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC271175  Melica aristata Joseph Burtt Davy; Walter C. Blasdale 1899-5-1 6001 Sonoma Guerneville Comment
  UCD87156  Melica californica David L. Morgan 1956-4-25 s.n. Sonoma 2 mi. W. of Petaluma on 'I' st. Ext. Comment
  CAS-BOT-BC281276  Melica geyeri G. DeNevers 1981-5-15 1164 Sonoma Pepperwood Ranch. N arm of Garrison Canyon Comment
  CAS-BOT-BC281277  Melica geyeri G. DeNevers 1981-5-14 1149 Sonoma Pepperwood Ranch. W arm of Garrison Canyon Comment
  UCD33240  Melica geyeri Beecher Crampton 1967-5-15 7936 Sonoma Sonoma County, Napa County line, 4 miles N.W. of Calistoga on Hwy. 128. Comment
  RSA123514  Melica harfordii H. S. Yates 1937-5-31 6563 Sonoma 1 mile WSW of Petrified Forest. 274 Comment
  UCD87391  Melica harfordii Beecher Crampton 1955-6-17 2965 Sonoma 2 miles east of Fort Ross. Comment
  UCD88632  Melica subulata P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC262550  Melica torreyana John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54695 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  OBI22007  Melica torreyana Lewis S. Rose 1965-4-4 65022 Sonoma 1 mi N of Sonoma 61 Comment
  UC618995  Melica torreyana H. S. Yates 1935-5-16 5616 Sonoma 3 mi nw Camp Meeker; Seabastopol Quad. 60 Comment
  UCD88858  Melica torreyana Beecher Crampton 1959-6-16 5383 Sonoma 1 mile E of Occidental. Comment
  UCD89210  Melica torreyana L. Whitney 1935-4-14 s.n. Sonoma Near Occidental. Comment
  UCD89213  Melica torreyana M. Wiesendanger 1927-5-5 734 Sonoma Kenwood Springs. Comment
  SACT001559  Melica torreyana M. Wiesendanger 1927-5-5 Sonoma Comment
  SEINET10599669  Melica torreyana A. Arthur Heller 1902-3-17 Heller 5084 Sonoma Hills near Santa Rosa. Comment
  UCD108097  Melilotus indicus M. Wiesendanger 1927-5-5 717 Sonoma location unknown. Comment
  UCD166100  Melilotus indicus Peter Rubtzoff 1971-8-20 6640 Sonoma 5 miles north of Sears Point. Comment
  UCR244669  Mentha Peter Rubtzoff 1960-9-17 4567 Sonoma Laguna de Santa Rosa near Trenton [Rd.] (south of Woolsey Road) Comment
  UCD148331  Mentha aquatica Peter Rubtzoff 1954-8-11 1686 Sonoma Guerneville Marsh. Comment
  UC883402  Mentha pulegium Lewis S. Rose 1938-9-11 38253 Sonoma Bloomfield 30 Comment
  CAS-BOT-BC164091  Mentha pulegium Peter Rubtzoff 1962-8-22 5034 Sonoma Bodega Bay Marsh. Comment
  UCD148454  Mentha pulegium Peter Rubtzoff 1962-8-22 5034 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC166975  Mentha spicata Peter Rubtzoff 1968-8-24 5936 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA784402  Mentha spicata Peter Rubtzoff 1975-8-28 8360 Sonoma Kenwood Marsh. Comment
  RSA784548  Mentha spicata Peter Rubtzoff 1960-9-14 4557 Sonoma Laguna de Santa Rosa area NE of Graton (near Laguna Road). Comment
  CAS-BOT-BC428952  Micranthes californica F. Almeda; G. DeNevers 1981-3-30 4873 Sonoma Pepperwood Ranch. Along road to the Garrison Cabin at the SW sector of the ranch. Comment
  CAS-BOT-BC428956  Micranthes californica Elmer I. Applegate 1934-3-25 8843 Sonoma Sausal Creek on road to Pine Flat, west slope of Mayacama Mountains Comment
  CAS-BOT-BC428957  Micranthes californica A. A. Heller; H. E. Brown 1902-3-12 5040 Sonoma Sonoma Creek, Eastern base of Mt. Hood Comment
  SD71410  Micropus amphibolus John Thomas Howell 1965-3-25 41033 Sonoma 3.0 miles southeast of Sonoma. 74 Comment
  CAS-BOT-BC348626  Micropus californicus var. californicus David D. Keck 1933-5-28 2325 Sonoma 3.4 miles east of Shellville (just east of intersection of Sonoma road) Comment
  CAS-BOT-BC348627  Micropus californicus var. californicus G. DeNevers 1981-5-5 944 B Sonoma Pepperwood Ranch. Hansel's cow pasture. On the trail across the driveway to the Pippindale Garden Comment
  CAS-BOT-BC348622  Micropus californicus var. californicus H. L. Mason 1934-4-28 8090 Sonoma Jensen's Ranch (near orchard), Dohrmann Creek Comment
  UC971981  Microseris bigelovii Francia Chisaki, Peter Kamb 1952-6-21 2304 Sonoma Fort Ross Comment
  CAS-BOT-BC348854  Microseris douglasii subsp. douglasii Greg de Nevers 1987-4-25 8167 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  UC1740984  Microseris douglasii subsp. douglasii K. L. Chambers 2000-5-5 6191 Sonoma Rockpile Road, w of Geyserville Gray Pine Flat; Lake Sonoma Comment
  UC50059  Microseris laciniata subsp. laciniata F. T. Bioletti 1893-5 Sonoma Comment
  CAS-BOT-BC7490  Microseris obtusata Alice Eastwood 1899-1-1 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC322752  Microseris paludosa Alice Eastwood; John Thomas Howell 1936-5-19 2511 Sonoma 2 miles north of Windsor Comment
  JEPS76921  Mimulus aurantiacus Robert M. Lloyd 1963-2-24 2057 Sonoma 4 mi s State Highway 12 (above State Highway 1) 15 Comment
  UCD161246  Mimulus aurantiacus James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3712 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  OBI9498  Mimulus aurantiacus var. aurantiacus H. E. McMinn 1944-5-11 5454 Sonoma Along road to Oakville from Kenwood Comment
  UC943906  Mimulus aurantiacus var. aurantiacus H. E. McMinn 1944-11-5 5454 Sonoma along road from Kenwood to Oakville Comment
  UCD122509  Mimulus cardinalis K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  UCD122663  Mimulus grandis Mary M. Hektner 1975-8-14 226 -A Sonoma Unit 24 Owner's Map, Sea Ranch, near State Highway 1. Comment
  RSA698954  Mimulus guttatus J. R. Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  RSA0022511  Mimulus guttatus Peter Rubtzoff 1958-7-5 3748 Sonoma Atascadero Creek Marsh. Comment
  UC768827  Mimulus microphyllus R. F. Hoover 1939-4-18 4036 Sonoma Occidental Comment
  UC1012405  Mimulus microphyllus Francis W. Pennell Jul 2 1940-Jul 3 1940 26039 Sonoma ne Kenwood Springs 396 Comment
  UC26912  Mimulus pilosus J. Burtt Davy 1896-7-22 4144 Sonoma Russian River Comment
  CAS-BOT-BC174581  Minuartia californica A. A. Heller; H. E. Brown 1902-3-14 5067 Sonoma Near Windsor Comment
  JEPS128193  Minuartia douglasii Roger Raiche 2000-5-4 081 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS18124  Minuartia douglasii Rimo Bacigalupi with G. T. Robbins and F. Hoffmann May 1956 5674 Sonoma The Butcher Knife (R12W) Big Austin Creek (at base, along secondary road following creek) 182 Comment
  JEPS79412  Minuartia douglasii Edward Lee with W. A. Setchell 1936-6-7 2182 Sonoma South ridge Fire Trail Bohemian Grove Comment
  JEPS42868  Mollugo verticillata Milo S. Baker 1923-8-26 441 Sonoma Russian River near Geyserville; Russian River Comment
  CAS-BOT-BC435109  Mollugo verticillata Peter Rubtzoff 1959-8-30 4245 Sonoma Drake's Beach, near Guerneville. Bottom of Russian River. Comment
  UC931964  Monardella undulata Verne Grant, Alva Grant 1948-7-7 8597 Sonoma 2.6 mi e Bodega (on highway 12) Comment
  SEINET4173672 Image available Monardella villosa Annetta Carter, Ethel Crum 1941-6-22 1641 Sonoma 3.3 miles east of Bay (Bodega Bay). Comment
  CAS-BOT-BC314178  Monardella villosa subsp. subserrata F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga. Comment
  RSA0022780  Monardella villosa subsp. subserrata L. S. Rose 1965-7-3 65081 Sonoma 2 mi. north of Sonoma. 274 Comment
  SEINET7042573  Monardella villosa subsp. villosa A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  UCD151196  Monardella viridis James A. Neilson Jr. 1974-7-10 2810 Sonoma Mayacmas Mountains, Geyser Rock, ca. 3 1/2 miles west of Whispering Pines, east Sonoma County. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  UCR42321  Monardella viridis L. F. LaPre 1985-6-25 s.n. Sonoma Coast Ranges, Socrates Mine, c. 9 mi. ENE of Geyserville 917 Comment
  CAS-BOT-BC445000  Montia fontana Peter Rubtzoff 1952-3-23 900 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh Comment
  CAS-BOT-BC445060  Montia linearis Alice Eastwood 1921-4-24 10348 Sonoma Santa Rosa Comment
  JEPS23179  Myosotis discolor Reino Alava 1955-5-24 2044 Sonoma Pitkin Marsh n.w. of Sebastopol; Pitkin Marsh Comment
  CAS-BOT-BC101791  Myrica californica Peter Rubtzoff 1957-4-28 3290 Sonoma Duncans Mills Marsh Comment
  RSA461913  Myrica californica Christopher Davidson 1977-6-17 5887 Sonoma Coast Highway 1, ca. three miles north of Jenner. Comment
  CAS-BOT-BC258905  Myriophyllum Peter Rubtzoff 1971-9-3 6702 Sonoma Spring Creek Reservoir area. Comment
  RSA800152  Myriophyllum brasiliense Peter Rubtzoff 1966-6-27 5770 Sonoma Santa Rosa Creek area, ca. 1 mi east of Laguna de Santa Rosa. Comment
  RSA800895  Myriophyllum hippuroides Peter Rubtzoff 1954-8-12 1699 Sonoma Bennett Mountain Lake. Comment
  JEPS86817  Myrtus communis Jack and Betty Guggolz 1991-3-6 1101 Sonoma 7.25 mi from s side of Highway 128 (Ida Clayton Road); Ida Clayton Road 734 Comment
  UC768841  Nassella lepida Robert F. Hoover 1941-6-7 5313 Sonoma two mi se Monte Rio (on road to Camp Meeker) Comment
  UCD36695  Nassella lepida Beecher Crampton 1955-6-17 2966 Sonoma Sonoma County, 1.5 miles east of Fort Ross. Comment
  CAS-BOT-BC260281  Nassella pulchra K. Wagnon 1939-5-4 187 Sonoma Downie's pasture, 5 miles W of Sebastopol, near O'Farrel Hill Comment
  CAS-BOT-BC60520  Nasturtium officinale Peter Rubtzoff 1958-5-17 3676 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC60526  Nasturtium officinale Mary P. Wells 1985-7-10 549 Sonoma Kings Ridge Road. Comment
  UC455650  Navarretia X helleri I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  POM65215  Navarretia cotulifolia A. A. Heller 1902-6-4 s.n. Sonoma Santa Rosa. Comment
  UC353796  Navarretia heterodoxa Milo S. Baker 1928-6-16 3041 b Sonoma n of Barber Ranch; Hope Valley Comment
  UC101995  Navarretia intertexta Katharine Brandegee Jun 1905 Sonoma between Santa Rosa and Sebastopol Comment
  JEPS86767  Navarretia leucocephala subsp. bakeri Jack and Betty Guggolz 1990-5-20 1055 Sonoma Anadel State Park 402 Comment
  UCR224692  Navarretia leucocephala subsp. bakeri Ayzik Solomeshch 2009-5-12 s.n Sonoma Along Bennett Valley Road, between Santa Rosa and Glen Ellen 189 Comment
  JEPS104972  Navarretia mellita Dean W. Taylor 1998-6-22 16681 Sonoma Geysers area, ca. 0.3 miles east along ridge from Eagle Rock Substation (ridge dividing Bear Canyon from Squaw Cr.) 792 Comment
  UCD161456  Navarretia mellita James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3294 c Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 1005 Comment
  SD56753  Navarretia pubescens Darley F. Howe 1963-7-2 3574 Sonoma 3.5 mi. so. of Guerneville on #12 29 Comment
  OBI36027  Navarretia squarrosa John C. Roos 1950-7-22 4878 Sonoma 2 miles east of Duncan Mills 61 Comment
  UC582809  Navarretia squarrosa P. A. Munz 1936-8-7 14308 Sonoma 6 mi n Bodega Comment
  UCD48682  Navarretia squarrosa Frederica Bowcutt 1984-6-23 425 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along Sonoma County Coast. W of Hwy 1. N of Gerstle Cove growing along roads. On Plantation 7.5' Quad. Coastal terrace. 30 Comment
  UC1719859  Navarretia tagetina David Fruchter 1978-9-17 96 Sonoma Diamond D. Comment
  UC24177  Nemophila heterophylla H. N. Bolander April 1864 3811 Sonoma Santa Rosa Creek Comment
  UCD119981  Nemophila heterophylla Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1753 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. In Adobe Canyon along Goodspeed Trail approx. 200 yds. From just E of Bear Creek about 5 yds. N of confluence with Sonoma Creek. 198 Comment
  UC726893  Nemophila heterophylla A. A. Heller 1940-5-10 15606 Sonoma several mi e Gualala River (on the Stewart Point--Skagg's Springs Road); e of Gualala River, Stewart Point--Skagg's Springs Road Comment
  JEPS35787  Nemophila menziesii var. atomaria Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8928 Sonoma plowed field just off Arnold Drive at its junction with Fowler Creek Road (Sonoma Valley); Sonoma Valley 35 Comment
  UC75665  Nemophila menziesii var. atomaria Miss Emma Lobenstein 1906-1 Sonoma Valley Ford Comment
  UCD160061  Nemophila menziesii var. atomaria James A. Neilson Jr. 1975-4-9 3126 Sonoma Mayacmas Mountains, Hilary Farms. (Exact location unknown. Elevation and coordinates estimated by label maker.) 609 Comment
  POM65260  Nemophila menziesii var. atomaria A. A. Heller, H. E. Brown 1902-3-29 5181 Sonoma Bodega Bay Comment
  CAS-BOT-BC231191  Nemophila parviflora Mrs. E. C. Sutliffe 1927-6-1 s.n. Sonoma Monte Rio Comment
  POM65263  Nemophila parviflora var. parviflora A. A. Heller 1903-4-23 6611 Sonoma Fort Ross. Comment
  CAS-BOT-BC290672  Nicotiana Peter Rubtzoff 1986-9-29 9754 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA0057976  Nicotiana Greg de Nevers 1997-10-17 11106 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By Hansel's corral. 100 Comment
  SD133974  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
  UC70571  Nicotiana quadrivalvis W. A. Setchell 1905-8-13 Sonoma banks of Russian River (Bohemia); Bohemia Comment
  SDSU655  Nuphar lutea subsp. polysepala D. F. Howe 1972-6-27 4840 Sonoma Duncan Mills Pond Comment
  CAS-BOT-BC400126  Nuphar polysepala Peter Rubtzoff 1954-8-2 1626 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC400122  Nuphar polysepala Peter Rubtzoff 1951-7-8 416 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC400127  Nuphar polysepala Mary P. Wells 1984-7-20 368 Sonoma Sagpond east of Timber Ridge Road near the air strip. The Sea Ranch Comment
  UCSB6225  Orobanche fasciculata Kamb, Peter 1950-6-17 Sonoma "Larkspur Rock", south side of Cheney Gulch, 2.9 miles west of fork in road to Bodega and Valley Ford 30 Comment
  RSA523831  Orthocarpus densiflorus Gordon H. True Jr. 1938-4-13 860 Sonoma Between Sonoma and Black Point. Comment
  POM15720  Orthocarpus erianthus A. A. Heller, H. E. Brown 1902-4-4 5219 Sonoma Hills east of Santa Rosa Comment
  RSA73964  Orthocarpus faucibarbatus Milo S. Baker 1952-4-23 12407 Sonoma Western outskirts of Sonoma along 5th St. Comment
  RSA239768  Orthocarpus faucibarbatus var. albidus Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1102 Sonoma Fort Ross State Park. Comment
  SEINET12122096  Osmorhiza chilensis F. H. Utech 1988-1 88 -205 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  CHSC26016  Oxalis oregana William Larkin 1961-3-28 Sonoma Rio Nido; along canyon road leading to cabins. 30 Comment
  SEINET10936147  Oxalis oregana R. D. Sage 1992-1-10 Sage 13412 -1 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
  UC1169376  Packera eurycephala var. eurycephala R. Ornduff 1957-5-5 4132 Sonoma just below summit summit of Mount Saint Helena; Mount Saint Helena Comment
  UC35989  Packera eurycephala var. eurycephala H. N. Bolander 1864-1 3963 Sonoma at the Geysers Geysers Comment
  CAS-BOT-BC316880  Packera eurycephala var. eurycephala 188- s.n. Sonoma Knights Valley Comment
  CAS-BOT-BC227646  Panicum Peter Rubtzoff 1973-8-20 7243 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC227647  Panicum Peter Rubtzoff 1973-8-20 7232 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UC1131619  Panicum acuminatum var. acuminatum H. S. Yates 1936-5-16 5589 Sonoma 2 mi se Forestville; Sebastopol Quad. Comment
  UCD161862  Panicum acuminatum var. fasciculatum James A. Neilson Jr. 1978-7-15 3970 Sonoma Mayacmas Mountains. Socrates Mine Headquarters. (Exact location unknown, coordinates estimated by label maker.) Comment
  CAS-BOT-BC253798  Panicum hillmanii G. DeNevers 1981-6-20 1600 Sonoma Pepperwood Ranch. Mark West Creek 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
  SBBG115659  Panicum thermale B. Crampton 1964-8-18 7139 e Sonoma The Geysers, above Geyser Crk, ca. 12 mi (in direct line) E of Cloverdale, ca. 0.5 mi E of Geyser Resort area, slope of steam thermal no 10 (Thermal Power Co.) 493 Comment
  SEINET12332452  Parentucellia viscosa F. H. Utech 1988-1 88 -188 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh 10 Comment
  UC1299671  Parnassia californica Freed W. Hoffman 1946-9-26 571 Sonoma North Coast Ranges, Layton Mine, Austin Creek Austin Creek Austin Creek; North Coast Ranges, Layton Mine, Austin Creek Comment
  CAS-BOT-BC156322  Paspalum Peter Rubtzoff 1971-8-23 6654 Sonoma Meacham Road, 0.35 mi. S of Stony Point Road. Comment
  CAS-BOT-BC210044  Paspalum Peter Rubtzoff 1971-8-23 6647 Sonoma Spring Hill Road, 0.8 mi. SE of Bodega Hwy. (of Two Rock Church). Comment
  CDA19021  Paspalum dilatatum P. Lane 2000-11-3 PDR 116684 Sonoma Along Sequoia Ridge, 3790 Harrison Grade Rd., Sebastopol. 0 Comment
  CHSC25106  Pedicularis densiflora Rodney W. Wallstrum 1970-3-3 12 Sonoma Located on N. E. side of Santa Rosa off Nielson Rd. Behind the community hospital 200 yds. on high ground. 243 Comment
  RSA177951  Pedicularis densiflora Robert F. Thorne 1965-4-20 34328 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  RSA401967B  Pedicularis densiflora Cora Mae Life 1924-3-22 s.n. Sonoma Camp Weeker. Comment
  UCD151134  Pedicularis densiflora James A. Neilson Jr. 1973-6-6 3442 Sonoma Mayacmas Mountains. The Geysers. Site III B. (Location of Site III B taken from Neilson 3566 which says it is near Geyser Rock.) 1097 Comment
  UCD165222  Pelargonium Peter Rubtzoff 1974-6-9 7585 Sonoma Upper Green Valley Marsh area. Comment
  SEINET12183371  Pelargonium X domesticum W. Knight, Knight, I.; Knight, T. 1984-1 5034 Sonoma Petaluma, purchased at K-Mart Comment
  RSA800161  Pelargonium capitatum Peter Rubtzoff 1970-10-29 6424 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC69303  Pellaea andromedifolia Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs 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
  UC71499  Pellaea mucronata var. mucronata Bioletti 1894-1 Sonoma near Hood's Peak Comment
  CAS-BOT-BC327999  Pentachaeta alsinoides Alice Eastwood; John Thomas Howell 1938-5-15 5507 Sonoma Near Mark West Springs Comment
  UC399562  Pentagramma triangularis subsp. triangularis C. F. Sonne April 1887 208 Sonoma White Sulphur Springs near Vallejo Comment
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  CAS-BOT-BC222740  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1974-6-22 7622 Sonoma Todd Road 1.4 mi. from Hwy. 116 and 0.6 mi. from (west of) Llano Road Comment
  UC1287831  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1966-7-30 5778 Sonoma Atascadero Creek Marsh Comment
  UC1312868  Perideridia gairdneri subsp. gairdneri L. Constance and T. I. Chuang with Robert Ornduff and Peter Rubtzoff 1965-10-2 3766 Sonoma marsh on creek 1 mi nw Graton; Atascadero Creek 182 Comment
  SEINET9293705  Perideridia howellii George Hrusa, Buckmann, A 1996-10-5 13584 Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Rd. Two pools, approx 150 meters apart, 45x60 meters in size. Approx. 2m. SW of Calistoga. Douglas-fir-forest surrounding. Small colony in lower pool, to 1 meter tall/ Elev. 700 meters. Quadrangle: Calistoga 7.5 700 Comment
  UCD127896  Perideridia kelloggii K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  UCD151298  Perideridia kelloggii James A. Neilson Jr. 1974-7-25 2896 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 Comment
  CAS-BOT-BC258014  Persicaria hydropiper Peter Rubtzoff 1973-9-9 7310 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC413740  Persicaria hydropiper John Thomas Howell 1932-9-18 10779 Sonoma Bank of slough draining Kenwood Marsh Comment
  CAS-BOT-BC418903  Persicaria hydropiperoides Peter Rubtzoff 1954-8-10 1675 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC418904  Persicaria hydropiperoides Peter Rubtzoff 1958-8-31 3953 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC419109  Persicaria lapathifolia Peter Rubtzoff 1962-10-23 5127 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC258013  Persicaria pensylvanica Peter Rubtzoff 1973-9-9 7325 Sonoma Kenwood Marsh. Comment
  SD113327  Phacelia californica Darley F. Howe 1966-6-2 4261 Sonoma 0.5 mile south of Bodega Bay. Comment
  UC1017786  Phacelia californica C. L. Hitchcock 1952-6-4 19583 Sonoma 1 mi e Duncan's Mill (on road to Sebastopol) Comment
  UCD120296  Phacelia californica Frederica Bowcutt; Joy Keeney, Adam Greene 1994-5-21 1808 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 appx. 1/2 mi from trailhead. 396 Comment
  JEPS128279  Phacelia distans Roger Raiche 2005-4-22 016 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. 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
  CAS-BOT-BC361355  Phacelia distans Greg de Nevers 1997-4-16 10943 Sonoma Moon Mountain Road Area burned Sept. 1996 Comment
  RSA26565  Phacelia distans J. T. Howell 1929-6-9 4306 Sonoma Near Petrified Forest. Comment
  UC1046968  Phacelia imbricata L. R. Heckard 1952-4-15 227 Sonoma about 2.5 mi ne Alexander Valley (along road to Pine Flat) Comment
  UC901847  Phacelia imbricata Malcolm Nobs, F. W. Hoffmann, and A. R. Kruckeberg 1950-6-4 671 Sonoma 1 mi nw Lafayette School (ca 5 mi e of Guerneville); Fred McMurray Ranch Comment
  UC909958  Phacelia imbricata Alice Eastwood 1915-6-5 4569 Sonoma Petrified Forest Comment
  JEPS41073  Phacelia suaveolens var. suaveolens Rimo Bacigalupi and L. R. Heckard, J. R. Sweeney 1965-5-16 9110 Sonoma 1 1/4 mi due w of Sonoma-Napa County Line (along Franz Valley School Road); Franz Valley School Road 219 Comment
  CAS-BOT-BC154988  Phalaris Peter Rubtzoff 1974-5-11 7406 Sonoma Laguna de Santa Rosa E of Sebastopol (south of Hwy. 23 crossing). Comment
  UCD105400  Phalaris aquatica Frederica Bowcutt 1994-6-25 1927 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. Brushy Peak Trail about 1/2 mi from Gray Pine Trail. 609 Comment
  CAS-BOT-BC258949  Phalaris aquatica Walter Knight; Irja Knight 1963-9-11 281 Sonoma Live Oak Road, Liberty Dist. Petaluma Comment
  RSA783844  Phalaris lemmonii Peter Rubtzoff 1972-6-23 6784 Sonoma Atascadero Creek Marsh. Comment
  UCD89016  Phalaris lemmonii R. Tofsrud 1941-4-1 125 Sonoma Near Santa Rosa. Comment
  UC1146584  Phalaris paradoxa Freed W. Hoffman 1941-6-15 2160 Sonoma near Jenner; North Coast Ranges, near Jenner Comment
  UCD89379  Phalaris paradoxa Beecher Crampton 1959-6-16 5369 Sonoma 0.2 miles E of Occidental. Comment
  RSA0056453  Phalaris paradoxa Greg de Nevers 1998-6-28 11295 Sonoma Lautenberg Ranch, Spencer Lane, Knights Valley. Comment
  CAS-BOT-BC260878  Phleum pratense Peter Rubtzoff 1958-7-5 3733 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC260875  Phleum pratense David L. Morgan 1955-7-10 s.n. Sonoma 5th St., Petaluma Comment
  UC30189  Phlox gracilis W. H. Brewer 1862-4-18 973 Sonoma near Sonoma Comment
  RSA183404  Phoradendron densum Del Wiens 1960-6-14 2724 Sonoma Ca 4 miles SE of Monte Rio on road to Camp Meeker. Comment
  CAS-BOT-BC171216  Phoradendron serotinum subsp. tomentosum F. G. Krauss 1895-2-23 s.n. Sonoma Knights Valley 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
  UC6100  Phoradendron villosum F. T. Bioletti 1891-12-25 Sonoma Sonoma Comment
  RSA227242  Phyla nodiflora Peter Rubtzoff 1958-7-26 3806 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  UC1977006  Phyllospadix scouleri Ann Freeman 1963-8-6 1642 Sonoma Bodega Head. North side, Horseshoe Cove with flowers. Comment
  CAS-BOT-BC452029  Phyllospadix torreyi Marck Menke 1999-6-16 49 Sonoma Bodega Head, Bodega Marine Lab, north side of Horseshoe Cove 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
  RSA796385  Picris echioides Peter Rubtzoff 1966-8-16 5783 Sonoma Laguna de Santa Rosa, NE of Graton, ca. 0.5 mi north of Guerneville. Comment
  CAS-BOT-BC78334  Pinus attenuata Elsa G. Ruckert 1960-3-12 19 Sonoma 1/2 mile from junction of Highway 12 on [Triniti] Trinity Road 335 Comment
  UC1061663  Pinus muricata Herbert L. Mason 1928-4-8 4278 Sonoma Fort Ross Comment
  SEINET10794535 Image available Pinus ponderosa var. ponderosa Henry N. Bolander 1864-4-27 Bolander s.n. Sonoma Near the geysers. Comment
  SEINET5334779  Pinus radiata L. Fallon 1939-1-6 s.n. Sonoma 7 mi. N of Santa Rosa Comment
  JEPS128338  Piperia elongata Roger Raiche 2010-7-10 033 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS128341  Piperia elongata Roger Raiche 2010-7-17 037 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC361422  Piperia elongata Greg de Nevers 1993-7-8 10472 Sonoma Field redacted by CAS, contact the data manager for more information 400 Comment
  JEPS45844  Piperia transversa Eleanor Armstrong Jun 1932 507 Sonoma near Camp Meek Comment
  CAS-BOT-BC157653  Plagiobothrys Peter Rubtzoff; H. A. Froebe 1971-5-30 6488 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC157654  Plagiobothrys Peter Rubtzoff 1971-6-5 6525 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing Comment
  CAS-BOT-BC176381  Plagiobothrys Peter Rubtzoff 1969-5-11 6040 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  UCD166127  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD166130  Plagiobothrys Peter Rubtzoff 1969-5-3 6014 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCR279874  Plagiobothrys Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastapol 21 Comment
  CAS-BOT-BC361333  Plagiobothrys Greg de Nevers 1997-4-26 10981 Sonoma Point Reyes National Seashore, Bayview Trail Comment
  JEPS86298  Plagiobothrys Jack and Betty Guggolz 1989-4-29 1003 Sonoma Comment
  RSA788370  Plagiobothrys bracteatus Peter Rubtzoff, H. A. Froebe 1971-5-30 6488 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Rd. Comment
  SBBG119726  Plagiobothrys bracteatus R. F. Thorne 1965-4-19 34276 Sonoma Titus Ranch, Valley Ford 18 Comment
  UCR279863  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-16 6217 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  UCR279866  Plagiobothrys bracteatus Peter Rubtzoff 1970-5-30 6237 Sonoma San Francisco Bay Region, Five miles north of Sears Point 9 Comment
  UC353902  Plagiobothrys bracteatus Milo S. Baker 1927-5-8 2143 a Sonoma dry vernal pool along road near summit; Bennett Val. Road Comment
  UC796670  Plagiobothrys nothofulvus Ira L. Wiggins 1949-4-30 12067 Sonoma 4 mi w Calistoga (just w of the county line) Comment
  UCD160140  Plagiobothrys nothofulvus James A. Neilson Jr. 1974-3-27 3015 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  RSA52651  Plagiobothrys nothofulvus I. L. Wiggins 1949-4-30 12067 Sonoma 4 miles W of Calistoga, just W of country line. Comment
  SBBG117337  Plagiobothrys nothofulvus B. Crampton 1955-4-5 2414 Sonoma 2 mi SW of Windsor Comment
  UCD35300  Plagiobothrys nothofulvus Beecher Crampton 1955-4-5 2414 Sonoma 2 miles southwest of Windsor. Comment
  RSA0060110  Plagiobothrys reticulatus Greg de Nevers 1998-5-5 11229 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat. 100 Comment
  RSA620967  Plagiobothrys reticulatus Peter Rubtzoff 1960-5-18 4375 Sonoma Bodega Head Marsh. Comment
  JEPS61047  Plagiobothrys stipitatus var. micranthus Milo S. Baker 1927-4-9 2053 x Sonoma near Forestville; Monroe School Comment
Read comments
May 5 2013
  UCR141955  Plagiobothrys stipitatus var. micranthus Beecher Crampton 1966-5-10 7729 Sonoma Coast Range, 6.5 miles north of Sonoma on State Hwy 12, Calif. Dept. of Forestry Glen Ellen station 76 Comment
  UCR118958  Plagiobothrys tenellus Beecher Crampton 1955-4-5 2409 Sonoma Santa Rosa Area, 3 miles west of Fulton, along Woolsey Road, just below Mount Olivet School 61 Comment
  UCR280147  Plagiobothrys tener var. tener Peter Rubtzoff 1972-4-23 6735 Sonoma North Coast Range, 4.25 miles west of Glen Ellen on Bennett Valley Road 220 Comment
  RSA783740  Plagiobothrys undulatus Peter Rubtzoff 1969-6-15 6094 Sonoma Laguna de Santa Rosa, about 1 mile ESE of Sebastopol. Comment
  CHSC22155  Plantago erecta Robert A. Schlising 1962-3-31 2122 Sonoma Along Cavedale Road, 1 mi E of Hwy 12. Comment
  SEINET7067234  Plantago erecta A. G. Vestal 1947-5-12 s.n. Sonoma About 1 miles east of Occidental on the Occidental Road and near Taddeuci. Coordinate datum: NAD27. UTM Zone 10, 505861mE, 4250832mN. 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
  SDSU1027  Plantago erecta D. F. Howe 1972-5-3 4819 Sonoma 4 miles north of Fort Ross. Comment
  UCD150600  Plantago subnuda Laurie E. Miller 1974-5-11 164 Sonoma Bodega Bay, W side of bay head; 0.5 mi. W of Bodega Station. Comment
  UC4551  Platanthera leucostachys F. T. Bioletti 1892-1 Sonoma Point Arena Comment
  CAS-BOT-BC6408  Platystemon californicus Alice Eastwood 1899-1-1 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC92125  Platystemon californicus Peter H. Raven 1955-3-20 8242 Sonoma One mile west of Schelville. Comment
  SD88312  Plectritis ciliosa Darley F. Howe 1972-5-3 Sonoma Ocean bluff 2.5 miles north of Jenner Comment
  UC796640  Plectritis macrocera Ira L. Wiggins 1949-4-30 12060 Sonoma 6.8 mi e of Santa Rosa (on road to Calistoga) Comment
  UCD21132  Pleuropogon californicus Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 307 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  CDA32629  Pleuropogon californicus J. Sallee 1971-4-28 Sonoma Railroad tracks, 8th Street East, Sonoma 0 Comment
  RSA0057956  Pleuropogon californicus Greg de Nevers 1998-4-28 11207 Sonoma Cresta Ranch, Cresta Road east of Mark West Lodge. 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
  RSA336124  Pleuropogon hooverianus Paul But 1977-5-3 P 6 Sonoma 3 miles NE of Penngrove, along Pressley Road Comment
  SEINET215169 Image available Poa bolanderi subsp. howellii J. M. Tucker 1971-5-29 4193 Sonoma Ca. 3 mi. by road SW of it jcn. w/ State hwy 29 near Middletown; Western Mine Rd. 762 Comment
  UCD91156  Poa howellii Collector Unknown 1941-4-1 369 Sonoma side road off Trinity Road. Comment
  SEINET10602223  Poa nevadensis A. Arthur Heller 1902-4-9 Heller 5249 Sonoma In a railroad cut 3 miles South of Healdsburg. Comment
  CAS-BOT-BC256032  Poa pratensis Peter Rubtzoff 1961-5-24 4594 Sonoma Upper Stemple Creek Marsh Comment
  CAS-BOT-BC256036  Poa pratensis Peter Rubtzoff 1963-6-5 5153 Sonoma Brooks Gulch Marsh Comment
  CAS-BOT-BC256037  Poa pratensis Peter Rubtzoff 1960-6-8 4465 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC422344  Poa pratensis Peter Rubtzoff 1976-6-18 8650 Sonoma Kenwood Marsh. Comment
  UC1745507  Poa pratensis subsp. pratensis Annetta M. Carter 1934-4-29 511 Sonoma 1 mi. W of Two Rock Junction on rd. to Tomales. Comment
  UC1146599  Poa secunda subsp. secunda Freed W. Hoffman 1942-4-15 2261 Sonoma near Guerneville (Herr Ranch) 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-BC244196  Poa trivialis Peter Rubtzoff 1960-6-8 4466 Sonoma Fife Creek Marsh Comment
  CAS-BOT-BC244197  Poa trivialis Peter Rubtzoff 1960-6-5 4430 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road Comment
  CAS-BOT-BC244201  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
  RSA144371  Poa trivialis Roxana S. Ferris, Laura Lorraine 1961-6-14 13542 Sonoma Willow Creek road between Occidental and Jenner, 5.7 miles from Jenner Comment
  CAS-BOT-BC244261  Poa unilateralis H. S. Yates 1934-4-21 3796 Sonoma Near Bodega 91 Comment
  CAS-BOT-BC110663  Poaceae Peter Rubtzoff 1970-8-25 6342 Sonoma On Austin Creek beach, 0.5 miles north of Casadero. Comment
  CDA13130  Pogogyne douglasii G. F. Hrusa, R. Gross 1996-6-3 13065 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  UCD84289  Pogogyne douglasii Ayzik Solomeshch 2009-5-12 s.n. Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  JEPS62432  Pogogyne douglasii W. L. Jepson 1921-6-2 9302 b Sonoma Windsor, just east of Calhoun Ranch Comment
  JEPS83492  Pogogyne douglasii subsp. parviflora Jack and Betty Guggolz 1986-5-22 871 Sonoma South of Shiloh Roas and east of Highway 101 Comment
  CDA11013  Polycarpon tetraphyllum G. F. Hrusa 1993-3-14 10527 Sonoma North Coast Biodiversity Arena; NW base of Mt. St. Helena. Foote Ranch, approx 10 m N of Calistoga on Hwy 128. 152 Comment
  UC952859  Polycarpon tetraphyllum Milo S. Baker 1957-4-8 12320 Sonoma Kenwood; Mrs. Ada Hunkins' yard Comment
  CAS-BOT-BC376404  Polygonum Greg de Nevers 1996-9-2 10871 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In Kitchen Creek below Silva's. 400 Comment
  RSA0018588  Polygonum Peter Rubtzoff 1966-8-25 5802 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  UCD99974  Polygonum aviculare subsp. depressum Frederica Bowcutt 1996-5-18 2120 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 about 1/2 air mile NNW of Bald Mtn. 396 Comment
  UC6669  Polygonum bolanderi Michener and Bioletti July 1893 Sonoma Hoods Peak Comment
  SEINET11933364  Polygonum lapathifolium W. Knight, Knight, I. 1984-1 5050 Sonoma 3 mi up Cavedale Road from Hwy 12 in wet spring area Comment
  UCD158838  Polypodium californicum James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2915 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  CAS-BOT-BC72010  Polypodium californicum A. A. Heller 1902-3-10 5011 Sonoma Hills near Santa Rosa Comment
  UC1606997  Polypodium calirhiza Margaret Rockwood and L. Esposito 1995-5-10 721 Sonoma ca. 3 km. nw of Bodega town; sw Sonoma Co. Comment
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Jan 4 2007
  UC440181  Polypodium calirhiza Michener and Bioletti Mar 1892 Sonoma Adobe Canyon Comment
  UC1606995  Polypodium glycyrrhiza Margaret Rockwood and L. Esposito 1993-3-31 303 Sonoma Ca. 3 km NW of Bodega town (Fitzpatrick Lane) 30 Comment
  UCSB8310  Polypodium scouleri Kamb, Peter 1950-6-17 Sonoma Larkspur Rock: south side of Chenev Gulch 2.9 miles west of fork in road to Bodega and Valley Ford 30 Comment
  CAS-BOT-BC311838  Polypogon Peter Rubtzoff 1983-8-28 9671 Sonoma Austin Creek ca. 0.5 miles north of Hwy. 116 on Cazadero Road. Comment
  CAS-BOT-BC312686  Polypogon Peter Rubtzoff 1983-8-28 9673 Sonoma Austin Creek ca. 0.5 miles north of Hwy. 116 on Cazadero Road. Comment
  CAS-BOT-BC312687  Polypogon Peter Rubtzoff 1986-7-13 9724 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  HSC10826  Polypogon interruptus C. S. Chavez 1965-6-9 84 Sonoma 1 mi. S of Guerneville on Hwy. 116, bank of Russian River. Comment
  UC50629  Polypogon interruptus H. P. Chandler 1900-5-25 680 Sonoma Bodega Bay Comment
  UCD36689  Polypogon interruptus Beecher Crampton 1955-6-17 2945 Sonoma 4.5 miles S of Cazadero. Comment
  UC1023579  Polypogon monspeliensis Virginia Bufford 1936-5-19 257 Sonoma 2 or 3 mi from Santa Rosa (Bennett Valley); Bennett Valley Comment
  UC963915  Polypogon monspeliensis Milo S. Baker 1946-10 11704 Sonoma less than 1 mi n junction of Sears Point Cutoff and Black Point Hwy (near Bay Marsh); n of junction of Sears Point Cutoff and Black Point Hwy Comment
  SEINET10828403  Polypogon monspeliensis A. Arthur Heller 1902-6-7 Heller 5652 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  UC479338  Polystichum californicum Marcus E. Jones, A. M. 1931-7-5 29162 Sonoma The Geysers Comment
  UC62818  Polystichum californicum J. Burtt Davy 1896-3-13 1661 Sonoma Cazadero Comment
  UC1745115  Polystichum dudleyi Wendy Born July 2000 Sonoma Along the road and along the west sides of Fife Creek; Armstrong Redwoods State Reserve Comment
  SEINET10794020  Polystichum dudleyi Wendy Born Born s.n. Sonoma Armstrong Redwoods State Park, along road to the Pack Station, ca. 3/4 the way up (immediately across road from large downed tree, on right side of road). Population of P. dudleyi is on left side of road, ca. 100 plants, mixed with Polystichum hybrids, Dryopteris arguta. Comment
  CAS-BOT-BC445300  Portulaca oleracea G. DeNevers 1981-7-1 1742 Sonoma Pepperwood Ranch. In Pippindale Garden. Comment
  CAS-BOT-BC376233  Potamogeton Greg de Nevers 1992-8-16 10246 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Franz Creek 304 Comment
  UCR280145  Potamogeton nodosus Peter Rubtzoff 1971-9-30 6716 Sonoma North Coast Range, Spring Creek Reservoir area 87 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
  UC963929 Image available Potentilla uliginosa Milo S. Baker 1947-6-26 11831 Sonoma ca 1 mi (airline) sw Cunningham Sta.; North Bay Counties, Cunningham Marsh Comment
Read comments
Oct 28 2010
  UCD139798  Prosartes hookeri M. Wiesendanger 1927-5-5 728 Sonoma Kenwood Springs. Comment
  UC1051657  Prunella vulgaris var. lanceolata Peter Kamb and Francia Chisaki 1950-6-16 1858 Sonoma 1 mi n Sousa Corners (nw of Sebastopol, Pitkin Marsh); Pitkin Marsh Comment
  UC1288499  Prunella vulgaris var. vulgaris Andrew P. Nelson 1960-8-3 646 A Sonoma Pitkin Marsh 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-BC154616  Prunus subcordata A. A. Heller; H. E. Brown 1902-4-4 5215 Sonoma Hills East of Santa Rosa Comment
  RSA0057957  Prunus virginiana var. demissa Greg de Nevers 1998-4-27 11206 Sonoma Calistoga Road at Alpine Road, along Mark West Creek. 121 Comment
  JEPS20444  Pseudognaphalium beneolens W. L. Jepson 1892-8-8 14744 Sonoma Alexander Valley Comment
  CAS-BOT-BC356930  Pseudognaphalium californicum Alice Eastwood 1915-6-29 4813 Sonoma Bodega Point Comment
  CAS-BOT-BC356929  Pseudognaphalium californicum G. DeNevers 1981-6-15 1531 Sonoma Pepperwood Ranch. Below the big spring below the 180 deg. turn in the road S of the aluminum gate by the orange tree Comment
  CAS-BOT-BC357168  Pseudognaphalium luteoalbum G. DeNevers 1981-4-25 861 Sonoma Pepperwood Ranch. Roadside at Mark West Creek and Leslie Creek Comment
  RSA785670  Pseudognaphalium luteoalbum Peter Rubtzoff 1968-8-18 5931 Sonoma Laguna de Santa Rosa, E of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC361618  Pseudognaphalium stramineum Peter Rubtzoff 1951-9-2 722 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC361615  Pseudognaphalium stramineum A. A. Heller 1982-5-27 s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC361620  Pseudognaphalium stramineum Walter Knight; Irja Knight 1963-8-31 182 Sonoma Magnolia Ave. in ditch - Petaluma Comment
  CAS-BOT-BC80182  Pseudotsuga menziesii Peter Rubtzoff 1951-8-18 636 Sonoma Western branch of the Upper Marsh Comment
  CAS-BOT-BC166710  Psilocarphus Peter Rubtzoff 1959-6-20 4150 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC362072  Psilocarphus tenellus Alice Eastwood 1921-5-8 10466 Sonoma Petaluma Comment
  CAS-BOT-BC362076  Psilocarphus tenellus G. DeNevers 1981-5-26 1322 Sonoma Pepperwood Ranch. At Pippindale Garden Comment
  CAS-BOT-BC362077  Psilocarphus tenellus G. DeNevers 1981-5-31 1423 Sonoma Pepperwood Ranch. In Garrison Cold Frame Comment
  SEINET4207978  Psoralea physodes J. O. Sawyer 1977-6-5 2880 Sonoma Canyon Road about 1/2 mile west of US 101 across from Pendrocelli Winery.; 0 Comment
  UCD165172  Pteridium Peter Rubtzoff 1974-6-2 7528 Sonoma Upper Green Valley Marsh area. Comment
  POM165161  Pterostegia drymarioides A. A. Heller, H. E. Brown 1902-5-27 s.n. Sonoma Bodega Bay. Comment
  UC125357  Pterostegia drymarioides Katharine Brandegee June 1905 Sonoma Bodega Head Comment
  RSA74444  Pteryxia terebinthina var. californica Milo S. Baker 1947-5-30 11775 Sonoma It is located 2 miles NE of Occidental along Harrison Grade. Comment
  CAS-BOT-BC460849  Pyrola aphylla Juanita E. Charles 1925-6-1 s.n. Sonoma Cazadero Comment
  CAS-BOT-BC466277  Pyrola aphylla F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -176 Sonoma The Geysers ca 14.0 mi ESE of Preston and US Hwy 101 on Geysers Road 330 Comment
  JEPS37687  Quercus X chasei Mrs. Charles L. Wheeler 1908-3-1 Sonoma Sebastopol Comment
  SD225863  Quercus X chasei John M. Tucker 1952-9-20 2624 Sonoma Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, large tree in the back yard of the Voight house. Comment
  UCD45320  Quercus X chasei John M. Tucker 1952-9-20 2624 Sonoma (Q. kelloggii Newb. X Q. agrifolia Nee). California, Sonoma Co.; Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham. Comment
  UCD45323  Quercus X chasei John M. Tucker 1952-9-20 2618 Sonoma (Q. kelloggii Newb. X Q. agrifolia Nee). California, Sonoma Co.: Voight Ranch, ca. 1.25 mi. (airline) southwest of Cunningham, along a lane running east from Voight farmhouse. Comment
  RSA34661  Quercus X ganderi G. Ledyard Stebbins 1943-6-18 3364 Sonoma 2.5 miles N of Cotati; on road to Sebastopol. Comment
  CAS-BOT-BC61637  Quercus agrifolia Peter Rubtzoff 1951-9-15 746 Sonoma Pitkin marsh, near Forestville. Western branch of the Upper Marsh Comment
  POM166598  Quercus agrifolia A. A. Heller, H. E. Brown 1902-4-15 s.n. Sonoma Santa Rosa Creek Comment
  UC405367  Quercus agrifolia W. P. Taylor 1913-6-11 Sonoma Freestone Comment
  CDA11972  Quercus berberidifolia G. F. Hrusa, J. Pfeiffer 1995-9-23 12464 Sonoma North Coast Biodiversity Arena; Lower elevations below Cavedale Edaphic Island, on Cavedale Rd. Approx. 2.7 m. E of Hwy. 12. Comment
  CAS-BOT-BC79566  Quercus dumosa Walter Knight; Irja Knight; Tiffany Knight 1985-6-30 5388 Sonoma Pine Mt. Road Comment
  SEINET12030395  Quercus durata W. Knight, Knight, I.; Howell, J. T. 1984-1 5101 Sonoma 3.1 mi up Cavedale Rd from jct of State Rt #12 Comment
  SJSU16081  Quercus garryana Allen W. Jacobs 1935-7-1 5 Sonoma Found on Russian River terrace; across the river from Hilton. Found well up and near the end of the trail above Summer Home park. High up SW facing slope past 2nd road and at end of off wood road at right. Comment
  UCD124007  Quercus garryana var. garryana Frederica Bowcutt 1997-7-20 2201 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 3 air miles NE of Kenwood, 1.5 air miles ENE of Mt. Hood, 1 air mile NW of Bald Mtn. Bear Crk. Ranch in headwaters of the Bear Crk. 609 Comment
  UC5630  Quercus kelloggii unknown 1899-6 111 Sonoma Asti Comment
  UCD46737  Quercus kelloggii John M. Tucker 1952-9-20 2617 Sonoma California, Sonoma Co,; Voight Ranch, ca. 1.25 (airline) southwest of Cunningham, along a lane running east from the Voight farmhouse; Comment
  CAS-BOT-BC62802  Quercus lobata Peter Rubtzoff 1951-8-18 637 Sonoma Pitkin Marsh, near Forestville, Western branch of the Upper Marsh Comment
  CDA23789  Quercus lobata D. G. Kelch 2006-10-4 06 .497-B Sonoma Entrance to Bouverie Reserve. 2 km N of Agua Caliente along Rte 12. Comment
  CDA31008  Quercus wislizeni var. frutescens D. G. Kelch, Troy McGregor 2010-8-22 10 .347 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  UCR254942  Rafinesquia californica Greg de Nevers 1997-4-16 10944 Sonoma North Coast Range, Moon Mountain Road [NNW of Sonoma] 396 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
  UC9377  Ranunculus aquatilis var. hispidulus Alice King April, 1897 Sonoma Healdsburg Comment
  UCD95943  Ranunculus californicus Mary M. Hektner 1975-4-27 187 Sonoma About 10 yards from edge of ocean bluff; Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET6908239  Ranunculus californicus W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Cove at Bodega Head. Comment
  UCD19721  Ranunculus californicus C. H. Lamoureux; J. M. Tucker and June McCaskill 1957-4-7 1192 Sonoma Duncan Point, Sonoma Coast State Park. 15 Comment
  CAS-BOT-BC378676  Ranunculus californicus var. californicus A. A. Heller 1902-3-16 5078 Sonoma Near Trenton Comment
  CAS-BOT-BC378677  Ranunculus californicus var. californicus L. R. Abrams 1918-4-27 6906 Sonoma Independence School near Healdsburg Comment
  CAS-BOT-BC378693  Ranunculus californicus var. californicus Peter Rubtzoff 1955-4-30 1792 Sonoma Stormy Point Marsh Comment
  CAS-BOT-BC378694  Ranunculus californicus var. californicus Peter Rubtzoff 1966-5-7 5705 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  UCD96104  Ranunculus flammula var. ovalis Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-2 98 Sonoma Unit 28 Owners' Map, Sea Ranch, near State Highway 1. 30 Comment
  UC75778  Ranunculus lobbii Miss M. Alice King April, 1897 Sonoma near Healdsburg Comment
  CAS-BOT-BC83437  Ranunculus lobbii Margot Lowry 1983-5-5 33 Sonoma 2 miles north on Adobe Road from Sonoma Mountain and Adobe Road junction. 30 Comment
  UCD167340  Ranunculus muricatus James A. Neilson Jr. 1983-5-9 4093 Sonoma Mayacmas Mountains. About 3 mi north of beginning of Geysers-Healdsberg Rd. (Location information obtained from Neilson 4091 which indicated mileage is from the beginning of Geysers-Healdsberg Rd. Exact location unknown. Coordinates estimated by label maker.) Comment
  POM268847  Ranunculus muricatus R. C. Bacigalupi 1926-5-2 1368 Sonoma Cazadero. Comment
  UC486512  Ranunculus muricatus H. E. and S. T. Parks 1930-5-9 617 Sonoma Alexander Valley; on creek entering valley Comment
  UCD67951  Ranunculus muricatus Wesley Ebert 1977-4-9 2 Sonoma Crane Creek, downstream from Pressley Rd. Growing in low spot of short, grazed grassland. Clayey soil. Bright sunshine. Yellow flowers. 106 Comment
  JEPS128334  Ranunculus occidentalis Roger Raiche 2010-4-17 015 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET12093069  Ranunculus occidentalis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -175 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 485 Comment
  UCD158817  Ranunculus occidentalis var. occidentalis James A. Neilson Jr. 1974-4-17 2890 Sonoma Mayacmas Mountains. Above Big Geyser Canyon. (Elevation estimated using topo map by label maker.) 914 Comment
  UC1126138  Ranunculus orthorhynchus var. bloomeri C. M. Belshaw 1936-3-7 1555 Sonoma 1 mi ne Occidental; Sebastopol Quadrangle Comment
  RSA94331  Ranunculus orthorhynchus var. bloomeri Peter Rubtzoff 1951-6-2 101 Sonoma Western branch of the Upper Marsh Comment
  UCD115180  Raphanus sativus Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-21 44 Sonoma near Sea Ranch Lodge, Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UC1121748  Rhamnus californica R. W. Lundh 1932-7-19 121 Sonoma 1 mi nw Los Alamos School; Santa Rosa Quad. 518 Comment
  CAS-BOT-BC55941  Rhamnus crocea Walter Knight; Irja Knight 1963-12-27 458 Sonoma Pine Flat Rd. Comment
  CAS-BOT-BC59448  Rhamnus ilicifolia Helen D. Geis 1902-1-1 575 Sonoma unspecified Comment
  CAS-BOT-BC200334  Rhododendron occidentale var. occidentale Peter Rubtzoff 1957-5-11 3325 Sonoma Near Occidental-Graton road, 2.7 miles east of Occidental Comment
  CDA32768  Rhododendron occidentale var. occidentale G. F. Hrusa 1990-6-2 8065 Sonoma Outer North Coast Ranges; Skagg's Springs road from Stewart's Point, approx. 1 mile inland from Hwy 1. 91 Comment
  POM131901  Rhododendron occidentale var. occidentale A. A. Heller 1902-6-24 5749 Sonoma Near Burke's Sanitarium Comment
  RSA71061  Rhododendron occidentale var. paludosum L. S. Rose 1951-6-7 51013 Sonoma Pitkin Marsh, 5 miles N of Sebastopol. Comment
  RSA74060  Rhynchospora alba Milo S. Baker 1945-7-18 11113 Sonoma Pitkin Marsh, upper bog Comment
  CAS-BOT-BC111886  Rhynchospora californica Peter Rubtzoff 1951-7-1 326 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  CAS-BOT-BC111887  Rhynchospora californica Peter Rubtzoff 1951-8-5 598 Sonoma Pitkin Marsh, Western branch of the Upper Marsh Comment
  CAS-BOT-BC6187  Rhynchospora californica John Thomas Howell 1936-7-26 12679 Sonoma Pitkin Marsh, 5 miles N of Sebastopol Comment
  UC963897  Rhynchospora californica Milo S. Baker 1945-7-18 11112 Sonoma Pitkin Marsh Comment
  JEPS117112  Rhynchospora capillacea Peter Warner 2010-7-29 175 Sonoma Lower Pitkin Marsh, N of primary drainage channel, ~ 350 m, N 44 deg.E from Hwy. 116 gate, in quaking bog (fen) area. Comment
  UC1133746  Rhynchospora capitellata H. S. Yates 1936-5-16 5593 Sonoma 2 mi se Forestville; Sebastopol Quadrangle, Pitkin Marsh Comment
  JEPS128275  Ribes californicum Roger Raiche 2004-2-15 043 .04 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC730046  Ribes californicum Leo F. Koch 1940-4-20 807 Sonoma about 3 mi from Highway 1 (Plantation road) 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
  UCR255661  Ribes divaricatum Greg de Nevers 1998-3-20 11219 Sonoma Cresta Ranch [Porter Creek Road], Mark West Creek 305 Comment
  CAS-BOT-BC168999  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1952-3-23 899 Sonoma Damp area north of the Lower Marsh - Pitkin Marsh, near Forestville Comment
  UCD151193  Ribes menziesii James A. Neilson Jr. 1974-7-10 s.n. Sonoma Mayacmas Mountains, west of Geyser Rock, along road to PG and E geothermal units 9 and 10, eastern Sonoma County. (Elevation estimated using Google Earth by label maker.) 1036 Comment
  CAS-BOT-BC186077  Ribes roezlii var. roezlii Susan M. Smith 2004-2-9 s.n. Sonoma Over 80 acre on native plant preserve Nefertierra. Off St. Helena Rd, 3 1/2 m. e. of Calistoga Rd. 472 Comment
  CAS-BOT-BC209371  Ribes sanguineum var. glutinosum Dorothy Scherer 1996-3-16 005 Sonoma West of Hwy 1 and south of Kolmer Gulch, Fort Ross State Historic Park 9 Comment
  RSA0060109  Rorippa Greg de Nevers 1993-4-6 10356 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Valley Creek, along Franz Valley Road by Franz Valley School Road. 100 Comment
  CAS-BOT-BC74699  Rorippa curvisiliqua Peter Rubtzoff 1958-8-16 3866 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC74701  Rorippa curvisiliqua Peter Rubtzoff 1958-9-27 4010 Sonoma Laguna de Santa Rosa northeast of Graton (0.5 mile north of Guerneville Road). Comment
  RSA800130  Rosa canina Peter Rubtzoff 1976-5-30 8565 Sonoma Kenwood Marsh Comment
  CAS-BOT-BC146773  Rosa gymnocarpa Irja Knight; Walter Knight 1964-11-15 782 Sonoma Hood's Peak on road to enroute to Johnson Lake Comment
  CAS-BOT-BC146774  Rosa gymnocarpa G. DeNevers 1982-5-18 2021 Sonoma N side of Franz Valley Road, 3/4 mile past top of hill Comment
  CAS-BOT-BC146809  Rosa nutkana Alice Eastwood; John Thomas Howell 1937-5-31 4499 Sonoma 2 miles south of Fort Ross Comment
  CAS-BOT-BC148199  Rosa rubiginosa Dorothy Scherer 1997-5-20 121 Sonoma Ca. 100' north of Russian Orchard, along path to Sag Ponds, Fort Ross State Historic Park 106 Comment
  CAS-BOT-BC251215  Rosaceae Peter Rubtzoff 1958-4-26 3588 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC251222  Rosaceae Peter Rubtzoff 1966-11-9 5838 Sonoma Along Salmon Creek, near Freestone. Comment
  UCD92279  Rostraria cristata Beecher Crampton 1957-5-16 4038 Sonoma 3 miles SW of Cloverdale, Hot Springs Road. Comment
  CAS-BOT-BC262829  Rubus Peter Rubtzoff 1959-6-6 4089 Sonoma Willow Creek Marsh. Comment
  UCD166417  Rubus Peter Rubtzoff 1964-6-3 5346 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC156601  Rubus bifrons Peter Rubtzoff 1951-6-30 289 Sonoma Uppermost part of the western branch of the Upper Marsh Comment
  CAS-BOT-BC147991  Rubus leucodermis H. E. McMinn 1922-6-7 928 Sonoma By Monte Rio, seen along roadside three canyon from Occidental Comment
  UC12954  Rubus leucodermis J. Burtt Davy July 1896 Sonoma near Guerneville; near Guerneville Comment
  UC12978  Rubus parviflorus J. Burtt Davy 1896-3-14 1679 Sonoma Fort Ross Comment
  UCD113853  Rubus parviflorus Mary M. Hektner 1975-6-3 206 Sonoma coastward from Halycon Road, Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD166415  Rubus parviflorus Peter Rubtzoff 1964-5-20 5311 Sonoma Brooks Gulch Marsh. Comment
  UCD15022  Rubus parviflorus Allen Hahus 1978-4-22 15 Sonoma along Jonive Road, 0.6 miles north of highway 12; 152 Comment
  SEINET11910988  Rubus procerus F. H. Utech 1986-1 86 -118 Sonoma ca 6 mi NE on Cavedale Road from junction with CA 12 600 Comment
  RSA800355  Rubus spectabilis Peter Rubtzoff 1959-6-6 4089 Sonoma Willow Creek Marsh. Comment
  UC1084363  Rubus spectabilis G. Thomas Robbins 1937-3-26 26 Sonoma bank of creek along road e Bodega Bay; e of Bodega Bay Comment
  UC73079  Rubus spectabilis Milo S. Baker 1899-6-26 Sonoma Russian River , at its mouth (at its mouth) Comment
  UCR279611  Rubus spectabilis Peter Rubtzoff 1959-6-6 4089 Sonoma Willow Creek Marsh 9 Comment
  UCR47956  Rubus spectabilis var. franciscanus D. Neubacher 1975-5-11 17 Sonoma Duncan Mills Campground in Duncan Mills Comment
  CAS-BOT-BC158722  Rubus ulmifolius Mary P. Wells 1985-7-1 527 Sonoma Bank of Ducker Creek, Rincon Valley, Santa Rosa Comment
  UCD114012  Rubus ursinus Loredo-Prendeville; Canon 1993-4-24 77 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. 381 Comment
  UCD17815  Rubus ursinus H. Olmo 8-10 May 1962 62 10 Sonoma California. Sonoma County: 1.6 miles south of Timber Cove on ocean front ravine. Comment
  UCD166510  Rumex Peter Rubtzoff 1962-6-22 4949 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC422235  Rumex acetosella J. D. Randall 1907-7-12 297 Sonoma Sebastopol Comment
  CAS-BOT-BC422238  Rumex acetosella G. DeNevers 1981-5-30 1336 Sonoma Pepperwood Ranch. N of Hansel's corral. Comment
  UCD101097  Rumex conglomeratus Mary M. Hektner; Cathy Hendel 1974-7-25 170 Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC421852  Rumex conglomeratus Peter Rubtzoff 1951-6-30 309 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC421856  Rumex conglomeratus John Thomas Howell 1938-7-3 13962 Sonoma Pitkin Marsh Comment
  UCD101133  Rumex crispus Frederica Bowcutt 1996-5-18 2121 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 Hillside Trail. Comment
  CAS-BOT-BC433741  Rumex occidentalis Mary P. Wells 1987-2-28 846 Sonoma Within the fork in the north creek south of Pacific Reach. The Seaside Meadow of The Sea Ranch. Comment
  UCD101462  Rumex pulcher Frederica Bowcutt 1994-6-12 1845 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. about 20 ft. Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  SDSU9724  Rumex pulcher D. F. Howe 1963-7-2 3579 Sonoma 4.2 miles N of juction with #12, on #1. Comment
  SEINET7042613  Rupertia physodes A. G. Vestal 1947-5-16 s.n. Sonoma 8.1 miles east of Winsor.Mark West Springs quadrangle UTM Zone 10, 531876mE, 4267566mN. Comment
  UCD138320  Ruppia maritima P. G. Connors 1991-6-25 179 Sonoma Bodega Marine Laboratory housing. 920N, 5140E. Comment
  UCD92339  Rytidosperma penicillatum Beecher Crampton 1957-7-22 4358 Sonoma below Bishop Pine Forest, along State Hwy. 1, 2 miles north of Stewards Point. Comment
  CAS-BOT-BC239856  Rytidosperma penicillatum Mary P. Wells 1981-8-2 s.n. Sonoma The Sea Ranch Comment
  UCSB45520  Rytidosperma penicillatum Roos, John 1957-7-2 Sonoma Miller Ridge Comment
  CAS-BOT-BC445695  Sagittaria cuneata Peter Rubtzoff 1971-8-20 6641 Sonoma 5 mi. north of Sears Point. Comment
  CAS-BOT-BC445698  Sagittaria cuneata Peter Rubtzoff 1963-7-27 5211 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC445774  Sagittaria latifolia Peter Rubtzoff 1960-9-14 4525 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads Comment
  UC935765  Sagittaria latifolia Malcolm A. Nobs and S. Galen Smith 1949-6-29 920 Sonoma on road to Sebastopol the Laguna marshy area w Santa Rosa; Laguna marshy area Comment
  CAS-BOT-BC445773  Sagittaria latifolia Peter Rubtzoff 1951-9-2 725 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the Upper Marsh Comment
  RSA63684  Salicornia maritima Milo S. Baker 1946-1 11661 Sonoma Less than 1 mi. N of junction of Sears Pt. cutoff and Black Point Hwy. Comment
  CAS-BOT-BC290676  Salix Peter Rubtzoff 1973-10-10 7337 Sonoma Salmon Creek, 0.25 miles south of Freestone. Comment
  CAS-BOT-BC290694  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7352 Sonoma Kenwood Marsh. Comment
  UCR249071  Salix Peter Rubtzoff 1973-9-9 7326 Sonoma Kenwood Marsh 120 Comment
  RSA0015572  Salix Peter Rubtzoff 1973-10-10 7337 Sonoma Salmon Creek, 0.25 mi south of Freestone along creek canyon. Comment
  CAS-BOT-BC103081  Salix bonplandiana A. A. Heller 1902-4-18 5335 Sonoma Near Windsor on Russian River Comment
  RSA534570  Salix bonplandiana Peter Rubtzoff 1963-10-5 5291 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  CAS-BOT-BC103943  Salix exigua Peter Rubtzoff 1957-5-26 3371 Sonoma Vacation Beach, near Guerneville. Sandy bank of Russian River Comment
  CAS-BOT-BC103944  Salix exigua Peter Rubtzoff 1953-5-16 1358 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  UC482047  Salix exigua var. hindsiana Ball, Bracelin, Parks and Parks 1931-4-21 38 Sonoma 25 km n.w. of Calistoga (Maacama Creek) Comment
  CAS-BOT-BC107800  Salix hindsiana Ball; Bracelin; Parks 1931-4-21 38 Sonoma Mayacama Creek, 25 km. northwest of Calistoga, in ravine above creek Comment
  CAS-BOT-BC106848  Salix hookeriana Mary P. Wells 1987-2-28 825 Sonoma West end of Moonraker Dr., The Sea Ranch Comment
  RSA155474  Salix laevigata L. S. Rose 1962-4-18 62022 Sonoma 1 mile NW of Freestone. 76 Comment
  UC66172  Salix lasiandra subsp. lasiandra A. A. Heller 1902-4-18 5329 Sonoma on Russian R. near Windsor; Russian R. Comment
  CAS-BOT-BC128099  Salix lasiandra var. lasiandra Peter Rubtzoff 1952-3-23 891 Sonoma Pitkin Marsh, near Forestville, opening south of the Upper Marsh Comment
  CAS-BOT-BC107087  Salix lasiolepis Mary P. Wells 1986-2-2 735 Sonoma north of Wild Moor Reach, The Sea Ranch Comment
  CAS-BOT-BC107255  Salix lasiolepis Ball; Bracelin; Parks & Parks 1931-4-12 34 Sonoma Maacama Creek, about 25 km. northwest of Calistoga Comment
  UC453088  Salix lasiolepis W. A. Setchell 1931-7-25 8 Sonoma lower bank of Russian at Bohemian Grove (near Monte Rio) Comment
  UC453101  Salix lasiolepis W. A. Setchell 1931-7-31 18 Sonoma Bodega Bay; bottom of small canyon Comment
  UC453115  Salix lasiolepis W. A. Setchell 1931-8-1 28 Sonoma Jenner-by-the-Sea Comment
  UC482117  Salix lasiolepis Ball, Bracelin, Parks and Parks 1931-4-21 34 Sonoma ca. 25 km. n.w. of Calistoga (Maacama Creek); Maacama Creek Comment
  UC505684  Salix lasiolepis C. R. and B. S. Ball 1933-5-30 2511 Sonoma Bodega Bay; at base of bluff below road Comment
  CAS-BOT-BC107345  Salix lasiolepis var. bigelovii C. R. Ball; B. S. Ball 1933-5-6 2502 Sonoma 4 miles SW of Calistoga, on road to Petrified Forest, and just over Napa County line Comment
  CAS-BOT-BC107348  Salix lasiolepis var. bigelovii Peter Rubtzoff 1959-6-13 4136 Sonoma Willow Creek Marsh Comment
  RSA534486  Salix lucida subsp. lasiandra Peter Rubtzoff, T. J. Crovello 1964-9-3 5496 Sonoma Bodega Harbor Marsh. Comment
  LA208882  Salix melanopsis W. A. Setchell; 1931-8-1 sn Sonoma Russian River, Bohemian Grove, near Monte Rio Comment
  CAS-BOT-BC126190  Salix scouleriana Milo S. Baker 1933-1-1 s.n. Sonoma Along Santa Rosa - Bodega Highway, at O'Farrell Hill, 3 miles west of Sebastopol Comment
  CAS-BOT-BC126196  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 342 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  SBBG57984  Salix scouleriana Baker, C. R. Ball, H. Bracelin, Crum 1931-5-9 342 Sonoma 2 km E of Occidental, on Occidental grade Comment
  SD882  Salix scouleriana Baker, Ball, Bracelin, Crum 1931-5-9 343 Sonoma Two km east of Occidental, on Occidental Grade Comment
  CAS-BOT-BC126189  Salix scouleriana Walter Knight; Irja Knight 1964-2-27 558 Sonoma 2 mi. S. Gualala on [hiway] highway #1 Comment
  CAS-BOT-BC128912  Salix sitchensis A. A. Heller 1902-3-12 5044 Sonoma Sonoma Creek, foot of Mt. Hood Comment
  LA208587  Salix sitchensis W. A. Setchell; 1934-7-10 7 Sonoma Coast Highway, N of Fort Ross Comment
  LA208960  Salix sitchensis Ball; Bracelin, Parks 1931-4-21 36 Sonoma Maacama Creek, 25 km NW of Calistoga Comment
  UC1173579  Salix sitchensis Joseph P. Tracy 1935-8-18 14743 Sonoma w. of Knight's Valley (Mayacamas Creek); Mayacamas Creek 152 Comment
  UC482104  Salix sitchensis Ball, Bracelin, Parks and Parks 1931-4-21 35 Sonoma 25 km. n.w. Calistoga (Maacama Creek); Maacama Creek Comment
  UC498692  Salix sitchensis Annetta Carter 1933-2-19 255 Sonoma 150 yds. from ocean beside creek Fort Ross 3 Comment
  UC524786  Salix sitchensis W. A. Setchell 1934-7-10 4 Sonoma Coast Hwy. above Fort Ross (Kru's Ranch) Comment
  CAS-BOT-BC225213  Salvia sonomensis A. A. Heller; H. E. Brown 1902-3-31 5193 Sonoma Mt. Hood Comment
  UC192603  Salvia sonomensis Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  SEINET8018692  Salvia sonomensis W. Roderick 1967-4-28 s.n. Sonoma Cavedale Road, N of Sonoma. 457 Comment
  SEINET12327832  Sambucus callicarpa F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -159 Sonoma ca 5 mi E of Bridgehaven on Willow Creek Road 145 Comment
  UCD137223  Sambucus nigra subsp. caerulea Frederica Bowcutt 1994-5-21 1822 Sonoma About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa and 1.5 air miles NE of Kenwood. About 18 air miles northwest of Napa. Along meadow trail approximately 3/4 mile from trailhead. 396 Comment
  CAS-BOT-BC235076  Sambucus racemosa var. racemosa Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  CAS-BOT-BC235077  Sambucus racemosa var. racemosa F. H. Utech; Walter Knight; Irja Knight 1984-4-17 84 -159 Sonoma Ca 5.0 mi E of Bridgehaven on Willow Creek Road 144 Comment
  UC73327  Sanicula arctopoides Milo S. Baker 1898-4-5 6 a Sonoma between Stewarts Point and Sea View Comment
  UC480611  Sanicula bipinnatifida Carl Meyer 1928-3-3 317 Sonoma Santa Rosa Comment
  JEPS128263  Sanicula laciniata Roger Raiche 2000-4-15 035 .00 Sonoma The Cedars. Laton Camp. Lower Russian River, Big Austin Creek watershed. Comment
  UCD112404  Sanicula laciniata Christopher Mallek 2008-5-2 HC1- 3 Sonoma Hooker Canyon. 590 Comment
  CAS-BOT-BC328134  Santolina chamaecyparissus Peter Rubtzoff 1952-5-31 1129 Sonoma Upper Marsh in the west, Pitkin Marsh near Forestville Comment
  POM142444  Saxifraga mertensiana A. A. Heller 1903-4-24 6616 Sonoma Woods near Cazadero. Comment
  UC21366  Scandix pecten-veneris Michener and Bioletti May 1892 Sonoma Shellville Comment
  UC21368  Scandix pecten-veneris F. T. Bioletti Jun 1891 Sonoma Kenwood Comment
  UCR265124  Scandix pecten-veneris Ann Howald 2015-4-1 3322 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  UCD65652  Schedonorus arundinaceus Gerry North 1993-4 35 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At lower camping area, 50 m east of foot bridge. 365 Comment
  CAS-BOT-BC283150  Schedonorus arundinaceus John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54692 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC311819  Schedonorus arundinaceus Peter Rubtzoff 1960-6-5 4432 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC111396  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1958-8-23 3924 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llamo Rd). Comment
  UCD161272  Schoenoplectus acutus var. occidentalis James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3686 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  CAS-BOT-BC111397  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1951-7-7 383 Sonoma Eastern branch of the Upper Marsh in the open on damp ground. Comment
  RSA540083  Schoenoplectus americanus Peter Rubtzoff 1970-5-16 6223 Sonoma 5 miles north of Sears Point Comment
  UCR255033  Schoenoplectus mucronatus Greg de Nevers 1997-9-29 11097 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  RSA534612  Schoenoplectus pungens Peter Rubtzoff 1955-8-20 2067 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC111796  Schoenoplectus pungens var. badius Marcus Eugene Jones 1882-7-18 3526 Sonoma Duncan's Mills Comment
  CAS-BOT-BC111797  Schoenoplectus pungens var. badius Marcus Eugene Jones 1882-7-18 3526 Sonoma Duncan's Mills Comment
  SEINET12057693  Scoliopus bigelovii F. H. Utech 1990-5-6 s.n. Sonoma Camp Meeker study site Comment
  SEINET8408407  Scoliopus bigelovii Frank Callahan, Karen Callahan 1989-5-20 Sonoma off Graton Rd. between Graton and Occidental in Purrington Creek area. Comment
  CAS-BOT-BC240033  Scribneria bolanderi Catherine Best 1985-4-5 1068 Sonoma Stoetz Lane about 3 miles northeast of Occidental Comment
  CAS-BOT-BC240034  Scribneria bolanderi Leo Whitney 1935-4-14 2257 Sonoma Near Occidental Comment
  CAS-BOT-BC320498  Scrophularia californica Peter Rubtzoff 1964-5-20 5307 Sonoma Brooks Gulch Marsh. Comment
  UCR248718  Scrophularia californica Peter Rubtzoff 1962-10-23 5122 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  RSA0022396  Scrophularia californica Peter Rubtzoff 1958-5-17 3675 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Rd.) Comment
  SEINET12273598  Scutellaria angustifolia Unknown 1936-1 13107 Sonoma Near Healdsburg Comment
  CAS-BOT-BC366869  Selaginella wallacei Greg de Nevers 1998-4-26 11194 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Al Cuneo's property in Sec. 6 400 Comment
  UC769945  Selaginella wallacei R. F. Hoover 1941-5-14 5085 Sonoma 3 mi s Monte Rio (on rd. to Camp Meeker) Comment
  CAS-BOT-BC363430  Senecio aronicoides A. A. Heller; H. E. Brown 1902-4-11 5264 Sonoma Bodega Bay Comment
  CAS-BOT-BC363429  Senecio aronicoides G. DeNevers 1981-5-9 1084 Sonoma Pepperwood Ranch. Above (S of) Redwood Canyon Comment
  UC485215  Senecio aronicoides H. P. Chandler 1907-4-21 7528 Sonoma road from Glen Ellen to Oakville Comment
  UC201784  Senecio glomeratus P. B. Kennedy 1914-10-1 Sonoma Del Mar Ranch Comment
  UCR279645  Senecio glomeratus Peter Rubtzoff 1954-8-3 1636 Sonoma Lower Salmon Creek Marsh 6 Comment
  CAS-BOT-BC364097  Senecio jacobaea Walter Knight; Irja Knight; Tiffany Knight 1986-8-12 5505 Sonoma Along state route 1 in Sea Ranch. Ca 2 mi n. of lodge Comment
  CAS-BOT-BC364219  Senecio sylvaticus Peter Rubtzoff 1969-8-14 6135 Sonoma Coleman Marsh Comment
  UC1084374  Senecio vulgaris G. Thomas Robbins 1937-3-27 47 Sonoma Santa Rosa Comment
  CAS-BOT-BC173684  Senecio vulgaris Peter Rubtzoff 1961-8-22 4688 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC80324  Sequoia sempervirens J. W. Congdon 1880-2-1 s.n. Sonoma Near Santa Rosa Comment
  POM21700  Sequoia sempervirens A. A. Heller, H. E. Brown 1902-3-16 5080 Sonoma Russian River, Near Trenton Comment
  SEINET8714496 Image available Sequoia sempervirens L. Fallon 1939-1 s.n. Sonoma 15 miles west of Santa Rosa on Guerneville Hy. Comment
  CAS-BOT-BC240153  Setaria pumila Peter Rubtzoff 1971-8-23 6657 Sonoma Meacham Road 0.35 mi. south of Stony Point Road Comment
  CAS-BOT-BC240154  Setaria pumila Peter Rubtzoff 1971-9-2 6684 Sonoma Todd Road near Stony Point Road Comment
  CAS-BOT-BC240275  Setaria viridis G. DeNevers 1981-6-27 1672 Sonoma Pepperwood Ranch. On a walk up through the Devil's Kitchen. Kellog Ranch. Starting from the bottom of the hill in Franz Valley, along Franz Valley Road. Weed along Franz Valley Road Comment
  CAS-BOT-BC371430  Sherardia arvensis Greg de Nevers 1997-4-17 10948 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC290640  Sidalcea Peter Rubtzoff 1971-6-5 6509 Sonoma Bennett Valley Road, 4.25 miles west of Glen Ellen. Comment
  JEPS67240  Sidalcea malviflora subsp. laciniata W. L. Jepson 1921-5-6 9192 Sonoma Sonoma Valley Comment
  UC1124977  Sidalcea malviflora subsp. laciniata H. S. Yates 1934-4-22 3858 Sonoma Sonoma Canyon Santa Rosa Quad., Sonoma Canyon Comment
  SD88305  Sidalcea malviflora subsp. malviflora Darley F. Howe 1972-5-3 Sonoma Ocean bluff, 2.5 miles north of Jenner. Comment
  SD64375  Sidalcea malviflora subsp. purpurea Darley F. Howe 2 Jun 4260 Sonoma Coast, 3.0 miles north of Bodega Bay. Comment
  UC1013006  Sidalcea malviflora subsp. purpurea C. L. Hitchcock 1952-6-4 19584 Sonoma one mi n Ft. Ross; n of Ft. Ross Comment
  UCD116826  Sidalcea malviflora subsp. purpurea Chris Bowen 1974-5-19 134 Sonoma near Pacific Ranch, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC213169  Sidalcea oregana subsp. valida M. S. Baker 1927-7-19 2343 Sonoma Kenwood Comment
  POM225311  Sidalcea oregana subsp. valida J. T. Howell 1932-9-18 10766 Sonoma Kenwood Marsh near Kenwood Comment
Read comments
Mar 10 2009
  RSA800081  Silene Peter Rubtzoff 1962-6-21 4935 Sonoma Laguna de Santa Rosa area NE of Graton, E of Laguna Road. Comment
  JEPS45851  Silene californica Eleanor Armstrong 1932-5-28 504 Sonoma 6 mi w of Graton (along Meek[s] grade); w of Graton 60 Comment
  UC1137921  Silene californica H. S. Yates 1934-4-22 3863 Sonoma near Petrified Forest; Calistoga Quad., near Petrified Forest Comment
  CAS-BOT-BC392492  Silene gallica Greg de Nevers 1997-5-23 11008 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. 457 Comment
  UC1137860  Silene gallica H. S. Yates 1934-4-22 3856 Sonoma 2 mi s Mark West; Calistoga Quad., s of Mark West Comment
  CAS-BOT-BC392496  Silene gallica Alice Eastwood 1915-6-29 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC392497  Silene gallica Peter Rubtzoff 1952-5-10 1020 Sonoma Bordering the Upper Marsh in the east. Comment
  CAS-BOT-BC389228  Silene laciniata subsp. californica Volney Rattan 1877-6-12 s.n. Sonoma Guerneville Comment
  UCD160112  Silene laciniata subsp. californica James A. Neilson Jr. 1973-6-3 2955 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC389225  Silene laciniata subsp. californica G. DeNevers 1981-5-23 1255 Sonoma Pepperwood Ranch. Along Franz Valley Road Comment
  RSA0056440  Silene multinervia Greg de Nevers 1997-4-16 10931 Sonoma Cavedale Road. 152 Comment
  CAS-BOT-BC74907  Sinapis arvensis John Thomas Howell 1934-3-25 11784 Sonoma M.S. Baker place, mouth of Sonoma Creek Canyon. Comment
  HSC13909  Sisyrinchium bellum S. N. Wiermeyer 1962-4-20 22 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  SD112453  Sisyrinchium californicum Darley F. Howe 1963-7-3 3585 Sonoma 20 miles north of #12 on #1. Comment
  CAS-BOT-BC164422  Solanum Peter Rubtzoff 1963-10-5 5287 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC164712  Solanum Peter Rubtzoff 1956-9-16 2929 Sonoma Vacation Beach, near Guerneville. Comment
  SEINET6035513  Solanum furcatum Unknown 1958-8-17 3889 Sonoma Laguna de Santa Rosa. Northeast of Graton (near Guerneville Road). Comment
  UCD148423  Solanum xanti Peter Rubtzoff 1960-5-16 2358 Sonoma Duncans Mills Marsh. 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-BC365584  Solidago elongata Peter Rubtzoff 1951-9-2 719 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh Comment
  CAS-BOT-BC365660  Solidago spathulata L. R. Abrams 1920-7-3 7608 Sonoma Near Stewarts Point Comment
  SBBG33688  Solidago spathulata T. L. Secrest 1948-7-7 Sonoma coast, Sonoma County [no specific locality] Comment
  LA203961  Solidago velutina subsp. californica M. S. Baker; 1934-6-1 7701 Sonoma About 1 mi. E of Gravenstein Hwy along Road from Moleno towards Santa Rosa Comment
  CAS-BOT-BC173668  Soliva sessilis Peter Rubtzoff; Walter Lennon 1974-5-11 7397 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC164034  Sonchus Peter Rubtzoff 1958-8-9 3844 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Road). Comment
  CAS-BOT-BC164657  Sonchus Peter Rubtzoff 1955-9-24 2153 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC236587  Sorghum halepense Mary P. Wells 1984-5-21 264 Sonoma Friends House grounds, Rincon Valley, Santa Rosa Comment
  SD134040  Sparganium angustifolium Peter Rubtzoff 1972-6-24 6790 Sonoma Atascadero Creek Marsh, open Comment
  UC1099917  Sparganium emersum var. emersum Malcolm A. Nobs and S. Galen Smith 1949-8-1 1109 Sonoma 2 mi e Stewart's Point (on road to Beyserville) Comment
  UCD95027  Spartina foliosa R. Tofsrud 1941-9-1 173 Sonoma Bridge at Tolay Creek. Comment
  UCR218643  Spartium junceum George K. Helmkamp, E. A. Helmkamp 2010-6-4 16208 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
  RSA800207  Spergula arvensis Peter Rubtzoff 1962-5-25 4837 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna road Comment
  CAS-BOT-BC320495  Spergularia Peter Rubtzoff 1971-7-9 6597 Sonoma 5 miles north of Sears Point. 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
  CAS-BOT-BC390733  Spergularia rubra Alice S. M. McKenzie 1980-12-26 23 Sonoma Coast between Russian and Gualala Rivers. State Hwy 1 at Timber Cove Comment
  CAS-BOT-BC390734  Spergularia rubra G. DeNevers 1981-6-4 1432 Sonoma Pepperwood Ranch. In Garrison yard Comment
  UC55669  Spirodela polyrhiza J. Burtt Davy 1896-7-22 4143 Sonoma Russian River Comment
  CAS-BOT-BC534886  Spirodela polyrhiza Peter Rubtzoff 1951-9-2 704 Sonoma Northern half of Lower Marsh, in the open, in water Comment
  UC635187  Stachys ajugoides var. rigida H. L. Mason June 1930 5650 Sonoma mouth Gualala River Comment
  JEPS128255  Stachys albens Roger Raiche 2000-9-2 151 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET9365554  Stachys rigida Unknown 1994-5-25 Sonoma Bodega Head East Comment
  SEINET9286426  Stachys rigida var. quercetorum John Nelson, Wnek, Richard 2000-3-7 21352 Sonoma Guerneville Comment
  UCD125568  Stachys rigida var. quercetorum Frederica Bowcutt 1994-5-21 1807 Sonoma Sugarloaf Ridge State Park, about 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa, about 18 air miles NW of Napa, and about 2.5 air miles NE of Kenwood. Along the Meadow Trail, about 0.25 mile from the trail head. 396 Comment
  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
  UCR279647  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-7-9 1938 Sonoma North Coast Range, Forestville Marsh 71 Comment
  CAS-BOT-BC397773  Stellaria media Peter Rubtzoff 1952-5-31 1116 Sonoma Pitkin Marsh, near Forestville; Thickets south of the Upper Marsh. Comment
  NY431573  Stipa pulchra A. A. Heller 1902-4-9 5252 Sonoma 3 miles south of Healdsberg Comment
  UCD167312  Streptanthus James Neilson 1977-6-7 3904 Sonoma Mayacmas Mountains, between Lunar Point and crest of Mayacmas. (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
  UC1492714  Streptanthus barbiger Freed W. Hoffman 1948-6-16 2341 Sonoma Dorr's Cabin North Coast Ranges, upper East Austin Creek Comment
  UC956503  Streptanthus barbiger Freed W. Hoffman 1948-6-17 2345 Sonoma tributary of East Austin Creek North Coast Ranges, Gilliam Creek Comment
  UCR71159  Streptanthus brachiatus subsp. brachiatus L. F. LaPre 1985-6-25 s.n. Sonoma Vicinity of Socrates Mine, west of Pine Flats Road. Comment
  UC1292755  Streptanthus glandulosus Freed W. Hoffman 1947-6-4 1066 Sonoma near Dorr's Cabin, East Austin Creek Comment
  CAS-BOT-BC87229  Streptanthus glandulosus subsp. glandulosus H. N. Bolander 1864-4-1 3944 Sonoma At the Geysers. 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
  UC10885  Streptanthus glandulosus subsp. glandulosus H. N. Bolander April 1864 3944 Sonoma at the Geysers Comment
  UC985969  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-8-18 3208 Sonoma Cazadero Rd between Guerneville and Cazadero; North Coast Ranges Comment
  CAS-BOT-BC87299  Streptanthus glandulosus subsp. sonomensis John Thomas Howell 1929-6-30 4321 Sonoma 4 miles from Petrified Forest on road to Knights Valley. Comment
  CAS-BOT-BC87304  Streptanthus glandulosus subsp. sonomensis Roger Raiche 1986-5-10 60139 Sonoma Northeast of Healdsburg, Reservoir Hill, (end of Sunnyvale Drive). 103 Comment
  UC956546  Streptanthus tortuosus Freed W. Hoffman 1948-7-27 2348 Sonoma summit Hood Peak (bare rocks and cliffs with s exposure); North Coast Ranges, Mayacamas Range Comment
  UC956605  Streptanthus tortuosus Freed W. Hoffman 1948-9-19 2374 Sonoma n-s ridge on Big Geysers rd from Healdsburg about 1 mi w The Geysers; North Coast Ranges Comment
  CAS-BOT-BC258036  Symphoricarpos Peter Rubtzoff 1958-7-19 3760 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CAS-BOT-BC258037  Symphoricarpos Peter Rubtzoff 1961-9-6 4735 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  RSA799981  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma On River Road, 3 mi west of Fulton. Comment
  CAS-BOT-BC540812  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma Pond on River Road, 3 miles west of Fulton. Comment
  CAS-BOT-BC540816  Symphoricarpos Peter Rubtzoff 1967-9-2 5877 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC540817  Symphoricarpos Peter Rubtzoff 1961-9-6 4735 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  CAS-BOT-BC97825  Symphyotrichum chilense J. W. Congdon 1882-9-1 s.n. Sonoma Petaluma Comment
  UC1544808  Symphyotrichum chilense Almut G. Jones 1986-8-23 7252 Sonoma e of, along Hwy 116 Petaluma 300 Comment
  CAS-BOT-BC97834  Symphyotrichum chilense Walter Knight; Irja Knight 1984-9-26 5236 Sonoma 5.9 mi. up Cavevale Rd. Comment
  UCD136523  Symphyotrichum chilense Mary M. Hektner; Cathy Hendel 1974-7-20 155 Sonoma roadside at junction of Whalebone Reach and State Highway 1, Sea Ranch, Unit 28 Owners' Map. Comment
  UCD38979  Symphyotrichum lanceolatum var. hesperium Beecher Crampton 1960-11-30 5811 Sonoma 1 mile east of Vineburg. Comment
  UC87065  Symphyotrichum spathulatum W. E. Bryant 1887-7-1 Sonoma Healdsburg Comment
  CAS-BOT-BC164033  Taraxacum Peter Rubtzoff 1960-5-16 s.n. Sonoma Duncans Mills Marsh. Comment
  UCD107042  Taraxia ovata Mary M. Hektner 1975-4-30 192 Sonoma Unit 34-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CDA433  Taxus baccata William Van Aslan 2000-8-24 PDR# 041628 Sonoma Petaluma. In pasture at 5360 Bodega Ave. Comment
  HSC97789  Taxus brevifolia var. polychaeta Richard Spjut, Rick Spjut 2006-8-8 16021 Sonoma Near Mendocino Co. line, 7 km E of Stewarts Point, N of Gualala River and S of Fuller Mtn., W side of Annapolis-Gualala River Rd. 200 Comment
  CDA3893  Teesdalia coronopifolia G. D. Barbe, Chas F. Quibell 1977-4-22 2253 a Sonoma Southwest of intersection of Fulton and Piner Roads, northwest of Santa Rosa. 0 Comment
  HSC46827  Teesdalia coronopifolia Chas F. Quibell 1977-3-18 1393 Sonoma SW corner of Fulton and Piner Rds., W Santa Rosa, between Piner Elementary School and the church on Fulton Rd. Comment
  UC35392  Tetrapteron graciliflorum W. C. Blasdale 1891-1 Sonoma Comment
  SEINET12165190  Thermopsis macrophylla F. H. Utech 1986-1 86 -116 Sonoma ca 6 mi NE on Cavedale Road from junction with CA 12 600 Comment
  CAS-BOT-BC66804  Thysanocarpus curvipes John Thomas Howell 1931-4-4 6176 Sonoma Santa Rosa Canyon. Comment
  CAS-BOT-BC66825  Thysanocarpus curvipes P. B. Kennedy 1920-5-29 s.n. Sonoma Russian River. Comment
  UCR265091  Thysanocarpus curvipes var. curvipes Ann Howald 2015-4-1 3334 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  RSA0039329  Thysanocarpus curvipes var. curvipes John Thomas Howell 1933-4-2 10936 Sonoma Sonoma Creek Canyon. Comment
  CAS-BOT-BC447594  Tiarella trifoliata subsp. unifoliata Peter Rubtzoff 1954-8-2 1615 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC447593  Tiarella trifoliata subsp. unifoliata Peter Rubtzoff 1957-7-28 3395 Sonoma Duncans Mills Marsh Comment
  UC14525  Tiarella trifoliata var. unifoliata W. C. Blasdale 1896-7-19 Sonoma Cazadero Comment
  CAS-BOT-BC447588  Tiarella trifoliata var. unifoliata J. W. Congdon 1901-8-6 s.n. Sonoma Trail from Shell Beach to Pomo Campground. 40 Comment
  SD88502  Tiarella trifoliata var. unifoliata Darley F. Howe 1972-6-27 Sonoma Bank of Duncan Mills Pond Comment
  SEINET12217316  Tiarella unifoliata F. H. Utech 1988-1 88 -200 Sonoma 6 mi W of junction of Willow Creek Road & Coleman Valley Road on former, along Willow Creek 40 Comment
  SJSU474  Tilia dasystyla A. W. Jacobs 1940-5-29 Sonoma residence, Santa Rosa Comment
  JEPS128233  Torilis arvensis Roger Raiche 2000-5-28 115 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SFV17047  Torilis arvensis P. Wilson 1997-6-1 3463 Sonoma Sugarloaf Ridge State Park. 500 Comment
  UC139953  Torreya californica Alice Eastwood 1900-9-9 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC173707  Torreyochloa pallida var. pauciflora Peter Rubtzoff 1977-9-4 9128 Sonoma Cunningham Marsh area, ca. 1 air mile west-southwest of Cunningham Station. Comment
  SD254493  Toxicoscordion fontanum Ann Howald 2015-1-30 3311 Sonoma North Coast: Coastal terrace, ca. 3.0 miles southeast of Del Mar Point. 99 Comment
  UCD139839  Toxicoscordion fremontii A. A. Heller; H. E. Brown 1902-3-14 5068 Sonoma near Windsor. Comment
  CAS-BOT-BC377109  Tragopogon porrifolius G. DeNevers 1981-5-2 919 Sonoma Pepperwood Ranch. At the National Ice Co., Santa Rosa. Also at River Road x 101 Comment
  SEINET9299121  Tragopogon porrifolius Unknown 1990-5-10 Sonoma Grassy meadow edge With Brassica, Plantago, Raphanus Comment
  CAS-BOT-BC519551  Triantha occidentalis subsp. occidentalis Peter Rubtzoff 1951-7-28 566 Sonoma Sonoma Comment
  JEPS63107  Trichostema lanceolatum Milo S. Baker 1923-8-26 442 Sonoma near Geyserville (Russian River); North Coast Comment
  JEPS63118  Trichostema lanceolatum W. L. Jepson 1895-8-30 14883 Sonoma Petrified Forest Comment
  UCR50512  Trichostema laxum L. F. LaPre 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
  UC1301132  Trientalis latifolia Helen K. Sharsmith 1963-5-25 5489 Sonoma on Coleman Valley Road e of Occidental; San Francisco Bay Region, Coleman Valley Road 304 Comment
  UCR265088  Trientalis latifolia Ann Howald 2015-4-28 3372 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 11.5 miles west of intersection with Rockpile Rd, Warm Springs drainage 408 Comment
  RSA784985  Trifolium Peter Rubtzoff 1974-4-17 7373 Sonoma Upper Green Valley Marsh. Comment
  UCD164104  Trifolium Peter Rubtzoff; Nancy Harrison 1978-5-20 9188 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  CAS-BOT-BC173562  Trifolium Peter Rubtzoff 1974-5-11 7383 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  JEPS117950  Trifolium Zoya Akulova-Barlow 2005-12-1 Sonoma Cloverdate River Park, Russian River Comment
  RSA784987  Trifolium Peter Rubtzoff 1974-5-11 7403 Sonoma Laguna de Santa Rosa east of Sebastopol (south of Hwy 12 crossing) Comment
  UC726770  Trifolium albopurpureum var. dichotomum A. A. Heller 1940-5-6 15590 Sonoma near Petrified Forest (roadside bank) Comment
  CAS-BOT-BC217055  Trifolium amoenum Milo S. Baker 1945-5-15 10918 Sonoma 4 mi W of Santa Rosa near Wright's School Comment
  CAS-BOT-BC217058  Trifolium amoenum A. A. Heller 1940-5-17 15636 Sonoma Along roadside on State Highway #1, 2 miles west of Valley Ford. Comment
  OBI12720  Trifolium amoenum Robert F. Hoover 1969-1 Sonoma Comment
  UC555446  Trifolium barbigerum H. L. Mason 1931-4-12 5843 Sonoma 1.5 mi w Fulton Comment
  SEINET7067270  Trifolium barbigerum var. andrewsii 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
  UC16440  Trifolium bifidum var. bifidum H. N. Bolander 1864-1 3856 Sonoma Russian River Bed Comment
  UCD35303  Trifolium depauperatum Beecher Crampton 1955-4-5 2408 Sonoma 2 miles west of Fulton, along Woolsey Road. 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
  UC1106199  Trifolium depauperatum var. depauperatum Peter H. Raven 1950-4-6 1607 Sonoma Rincon Ridge Comment
  UC16475  Trifolium depauperatum var. depauperatum W. H. Brewer 1862-4-18 964 Sonoma Sonoma Valley Comment
  CAS-BOT-BC371429  Trifolium dubium Greg de Nevers 1997-4-17 10947 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC1026471  Trifolium dubium Peter Rubtzoff 1951-7-14 439 Sonoma near Forestville (s half of lower marsh, near hwy); Pitkin Marsh Comment
  CAS-BOT-BC361286  Trifolium fragiferum Greg de Nevers 1997-7-24 11071 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa At Double Ponds and Turtle Pond 400 Comment
  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
  UCD109770  Trifolium hirtum Frederica Bowcutt 1994-5-21 1823 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 18 air miles NW of Napa, 1.5 air miles NE of Kenwood. Along the Meadow Trail, .75 mile from the trail head. 396 Comment
  RSA97611  Trifolium incarnatum Elsie Z. Longrone 1954-4-21 s.n. Sonoma [Unspecified] Comment
  JEPS128259  Trifolium microcephalum Roger Raiche 2000-4-20 040 .00 Sonoma The Cedars. Gateway Parcel at Christi Camp. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC361358  Trifolium microcephalum Greg de Nevers 1997-4-16 10939 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  UC165622  Trifolium microdon Milo S. Baker 1898-5-7 642 Sonoma Glen Ellen Comment
  UCD161295  Trifolium microdon James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3689 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  UC85321  Trifolium obtusiflorum Michener and Bioletti 1895-6-1 Sonoma Kenwood Comment
  UCD160308  Trifolium obtusiflorum James A. Neilson Jr. 1975-5-23 3202 Sonoma Truit Creek on Big Sulphur Creek. Abril property. (Elevation and coordinates estimated by label maker.) 388 Comment
  OBI70565  Trifolium repens D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .277 Sonoma Cavedale Rd 518 Comment
  UCSC005675  Trifolium stenophyllum Randall Morgan 1995-5-18 2610 Sonoma 6+ miles up Coleman Valley Road from Occidental Comment
  UCD109400  Trifolium variegatum Jennifer Bury; Peggy Herzog 1993-5-8 277 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 396 Comment
  UCD109429  Trifolium variegatum R. Tofsrud 1951-5-20 s.n. Sonoma Huichica School near Sonoma. Comment
  UCD165165  Trifolium variegatum Peter Rubtzoff 1974-5-26 7485 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UC424772  Trifolium variegatum var. melananthum Milo S. Baker May 1929 3597 b Sonoma near White School Comment
  JEPS86333  Trifolium variegatum var. rostratum Jack and Betty Guggolz 1988-5-4 924 Sonoma Llano Marsh Comment
  UC630889  Trifolium willdenovii P. B. Kennedy 1915-5-28 Sonoma Del Mar Comment
  UC729259  Trifolium wormskioldii A. A. Heller 1940-5-17 15630 Sonoma n of the town Bodega Bay Comment
  RSA169296  Triglochin maritima L. S. Rose 1964-6-3 64055 Sonoma N end of Bodega Bay. 2 Comment
  SEINET12051461  Trillium albidum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -263 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  SEINET8479609 Image available Trillium albidum A. A. Heller 1902-3-12 5035 Sonoma Sonoma Creek, base of Mt. Hood Comment
  POM169931  Trillium chloropetalum var. chloropetalum A. A. Heller, H. E. Brown 1902-3-12 3175 Sonoma Sonoma Creek, eastern base of Mt. Hood. Comment
  UCR255036  Trillium ovatum Greg de Nevers 1998-4-30 11222 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS87248  Triphysaria eriantha subsp. eriantha Jack and Betty Guggolz 1991-5-27 1152 Sonoma found between Hwy 1 and the ocean just s of the s end Myers Grade 182 Comment
  JEPS10692  Triphysaria eriantha subsp. rosea Docia I. Patchett 1918-5-26 Sonoma near Black Point; near Black Point Comment
  JEPS11168  Triphysaria versicolor subsp. faucibarbata W. L. Jepson 1921-5-6 9186 Sonoma just w of summit of road from Calistoga to Petrified Forest along Porter Creek; along Porter Creek 365 Comment
  JEPS19394  Triphysaria versicolor subsp. faucibarbata G. Thomas Robbins 1937-6-6 238 Sonoma along roadside near Bodega Bay; near Bodega Bay Comment
  JEPS66222  Triphysaria versicolor subsp. faucibarbata T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6896 Sonoma Laguna de Santa Rosa e Graton; Laguna de Santa Rosa Comment
  UC194181  Triphysaria versicolor subsp. faucibarbata Michener and Bioletti 1893-6-7 Sonoma Kenwood Comment
  UC886476  Triphysaria versicolor subsp. faucibarbata A. A. Heller 1938-5-14 15090 Sonoma just e Bodega Comment
  SEINET13748176  Triphysaria versicolor subsp. faucibarbata W. Roderick 1967-5-6 s. n. Sonoma East edge of Petaluma 8 Comment
  SFV8312  Triphysaria versicolor subsp. faucibarbata R. R. Martin 1968-5-2 13 Sonoma Dry Creek Road, 5 miles north of Healdsburg. Comment
  UC1334867  Triphysaria versicolor subsp. versicolor L. D. Thurman 1964-5-11 517 Sonoma on State Hwy #1, 10 mi n Ft. Ross; n of Ft. Ross Comment
  UC886582  Triphysaria versicolor subsp. versicolor A. A. Heller 1930-5-14 15083 Sonoma back of the bluff n Bodega Bay (along the roadside s of the town of Bay); back of the bluff n of Bodega Bay Comment
  UCD93601  Trisetum canescens P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC522365  Triteleia hyacinthina Peter Rubtzoff; R. Bacigalupi 1971-6-10 6527 Sonoma On southside of W. Railroad Avenue between Fwy 101 and Stony Point Road Comment
  CAS-BOT-BC522368  Triteleia hyacinthina H. C. Cantelow 1936-5-3 s.n. Sonoma Between Shellville and El Verano Comment
  RSA378042B  Triteleia laxa Christopher Davidson 1977-6-20 6007 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  UCD93312  Triticum aestivum Frederica Bowcutt 1997-7-19 2188 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NNE of Kenwood. 1 air mile S of Red Mountain. Edge of service road just SW of group campground. Adobe Canyon near trailhead to Meadows Trail. 396 Comment
  CAS-BOT-BC74108  Turritis glabra Rimo Bacigalupi 1926-5-2 1404 Sonoma Cazadero. Comment
  CAS-BOT-BC74110  Turritis glabra A. A. Heller; H. E. Brown 1902-5-29 5624 Sonoma Mount Hood. Comment
  RSA540051  Typha domingensis Peter Rubtzoff 1966-7-4 5775 Sonoma Saguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC91280  Umbellularia californica Walter Knight; Irja Knight 1963-9-1 266 Sonoma Asti. Comment
  CAS-BOT-BC91286  Umbellularia californica H. L. Mason 1925-11-26 2492 Sonoma Banks of Russian River, Monte Rio. Comment
  CDA15846  Umbellularia californica G. F. Hrusa, G. L. Stebbins 1993-10-3 11462 Sonoma Sugarloaf Ridge State Park. Trail to Bald Mountain. Midway. 518 Comment
  CAS-BOT-BC382824  Uropappus lindleyi G. DeNevers 1981-4-25 835 Sonoma Pepperwood Ranch. Lower Pepperwood entrance Comment
  CAS-BOT-BC403983  Urtica dioica subsp. gracilis Peter Rubtzoff 1959-6-6 4088 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC403984  Urtica dioica subsp. gracilis Peter Rubtzoff 1962-5-30 4854 Sonoma Freestone Marsh Comment
  CAS-BOT-BC404232  Urtica dioica subsp. holosericea Peter Rubtzoff 1964-6-24 5386 Sonoma Coleman Marsh Comment
  CAS-BOT-BC404236  Urtica dioica subsp. holosericea Peter Rubtzoff 1962-9-16 5088 Sonoma Vacation Beach, 1.5 miles below Guerneville Comment
  CAS-BOT-BC404237  Urtica dioica subsp. holosericea Peter Rubtzoff 1954-7-27 1584 Sonoma Guerneville Marsh Comment
  POM166169  Urtica dioica subsp. holosericea A. A. Heller 1902-6-24 5759 Sonoma Near Burke's Sanitarium Comment
  CAS-BOT-BC193981  Vaccinium cespitosum Milo S. Baker 1940-1-1 9670 Sonoma Perry's Marsh, Gravenstein Highway Comment
  UC877173  Vaccinium cespitosum Milo S. Baker 1940-1 9670 Sonoma Gravenstein Highway Perrys Marsh Comment
  CAS-BOT-BC76163  Vancouveria planipetala J. W. Congdon 1880-5-17 s.n. Sonoma Guerneville. Comment
  SD58170  Vancouveria planipetala E. Van E. Ferguson 8-10 Jun 1919 248 Sonoma Near Gurnewood Comment
  CAS-BOT-BC135765  Veratrum fimbriatum John Thomas Howell 1931-9-26 8094 Sonoma 7 miles north of Fort Ross Comment
  CAS-BOT-BC135768  Veratrum fimbriatum Elizabeth Eaton Morse 1936-8-30 s.n. Sonoma Gualala River Comment
  HSC15731  Veratrum fimbriatum C. B. Wolf 1927-9-2 1350 Sonoma 1.0 mi. S of Gualala River Comment
  CAS-BOT-BC154132  Verbascum Peter Rubtzoff 1952-6-15 1261 Sonoma Fitch Mountain Grove Resort, near Healdsburg, along Russian River Comment
  CDA16002  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15682 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Sheet 1 of 2. Comment
  SJSU10584  Verbascum virgatum L. J. Hendricks 1974-5-24 Sonoma N bank Russian R., 0.75 mi W of Healdsburg Comment
  CDA5686  Verbena bonariensis var. conglomerata Anita Noldeke 1961-5-14 Sonoma Sebastopol. 0 Comment
  RSA785447  Veronica Peter Rubtzoff 1969-6-14 6082 Sonoma 6.5 miles NE of Penngrove, on Lichau Road. 427 Comment
  CAS-BOT-BC166701  Veronica americana Peter Rubtzoff 1954-8-3 1632 Sonoma Lower Salmon Creek Marsh. Comment
  UCR255466  Veronica scutellata Ann Howald 2014-5-2 3002 Sonoma North Coast, c. 1.5 mi southeast of Del Mar Point 23 Comment
  UCD124784  Veronica scutellata Malcolm A. Knobs; S. Galen Smith 1949-8-1 1107 Sonoma 2 miles E of Stewart's Point on road to Geyserville. Comment
  CAS-BOT-BC257977  Vicia Peter Rubtzoff 1974-5-26 7500 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  SEINET12165197  Vicia angustifolia F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -225 Sonoma Valley Ford, junction of CA 1 & Valley Ford-Freestone highway, along Ebabias Creek 30 Comment
  UCR255891  Vicia hirsuta Greg de Nevers 1993-5-6 10425 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS86772  Vicia lathyroides Jack and Betty Guggolz 1990-6-11 1062 Sonoma about 11 km e Healdsburg (on the Ferrari-Carano Ranch) 228 Comment
  UCR256113  Vicia lutea Greg de Nevers 1994-5-21 10524 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC17028  Vicia sativa W. H. Brewer 1862-4-18 965 Sonoma near Sonoma Comment
  SEINET7040131  Vicia sativa subsp. nigra A. G. Vestal 1962-4-11 Sonoma 1 mile east of Occidental. UTM Zone 10, 505896mE, 4250807mN. Comment
  HSC15288  Vicia villosa subsp. varia S. N. Wiemeyer 1962-4-13 14 Sonoma 2.1 mi. N of Jct. of Calistoga Rd. and Hwy. 12 274 Comment
  UC1084366  Vinca major G. Thomas Robbins 1937-3-26 32 Sonoma along rd. to Bodega Bay just w. of Bodega Comment
  UCR142293  Viola G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  UC581533  Viola adunca H. L. Mason June 1930 5663 Sonoma mouth of Gualala River Comment
  UC1749429  Viola douglasii Milo S. Baker 1933-3-25 7336 Sonoma 5 mi E Santa Rosa; Melitta Comment
  POM134840  Viola douglasii A. A. Heller, H. E. Brown 1902-3-14 5062 Sonoma Near Windsor. Comment
  UC1742214  Viola floridana Milo S. Baker 1937-1 Sonoma Brookside Garden Comment
  UC1761336  Viola glabella J. Burtt Davy 1896-3-13 1653 Sonoma Cazadera Comment
  RSA135421  Viola glabella Volney Rattan 1880-04 s.n. Sonoma Duncan's Mills. Comment
  UC1761514  Viola lobata Milo S. Baker 1926-3-30 201 b Sonoma 1 mi S of St. Helena Inn (trail to Crater) Comment
  UC1762485  Viola lobata subsp. lobata Milo S. Baker 1942-6-11 10206 Sonoma Spring Mt. Rd. near summit 45 Comment
  UC19289  Viola lobata subsp. lobata F. P. McLean May 1872 Sonoma woods near Geyser Comment
  UC1761472  Viola ocellata Milo S. Baker 1898-4-3 991 Sonoma between Cazadero and Guerneville Comment
  UC1761303  Viola sempervirens Mary Eloise Bauder 1929-6-4 4 Sonoma Pocket Canyon Guerneville Comment
  RSA40694  Viola sempervirens I. L. Wiggins 1948-3-21 11616 Sonoma Western margin of Kruse Rhododendron State Park. Comment
  SBBG40537  Viscum album L. S. Rose 1966-5-8 Sonoma ca. 1 mi from Sebastopol on Gravenstein Hwy N Comment
  SEINET3825247 Image available Viscum album Stanley Rose 1966-1-2 Sonoma 1 miles from Sebastopol on Gravenstein Highway North Comment
  CAS-BOT-BC203123  Vitis californica D. E. Breedlove 1980-6-27 44768 Sonoma Pepperwood Ranch W of Knights Valley Comment
  HSC95746  Vitis californica C. Wistrom 1996-5-26 25 Sonoma 1601 Dry Creek Rd. 49 Comment
  CAS-BOT-BC203124  Vitis californica Walter Knight; Irja Knight 1963-9-1 134 Sonoma Along 1st stream up from County Dump on Pine Mt Rd NE of Cloverdale Comment
  CAS-BOT-BC199895  Vulpia bromoides G. DeNevers; S. Kaza 1981-5-7 977 Sonoma 10510 Old Redwood Hwy. 2 mi NW of Windsor exit from 101, vacant lot by Healdsburg Rent-All Comment
  CAS-BOT-BC199898  Vulpia bromoides A. A. Heller 1902-4-4 5221 Sonoma Hills near Santa Rosa Comment
  RSA123467  Vulpia bromoides H. S. Yates 1937-6-6 6585 Sonoma 3 miles east of Jenner. 61 Comment
  UCD93440  Vulpia bromoides M. S. Baker 1931-3 5461 Sonoma west of Santa Rosa near Wright School House. Comment
  UCD93548  Vulpia bromoides P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UCD93551  Vulpia bromoides P. B. Kennedy 1918-5-28 s.n. Sonoma 8 miles from Santa Rosa. Retrified Forest Road. Comment
  UCD93565  Vulpia bromoides Peter Rubtzoff 1951-6-16 236 Sonoma Pitkin Marsh near Forestville. Western branch of the Upper Marsh. Comment
  CAS-BOT-BC199915  Vulpia bromoides Peter Rubtzoff 1951-7-7 372 Sonoma Eastern branch of the Upper Marsh Comment
  UCD93470  Vulpia bromoides Beecher Crampton 1955-3-14 2320 Sonoma Asti. Comment
  HSC9911  Vulpia microstachys Leo Koch 1940-4-22 838 Sonoma At Geysers in Sulfur Creek Canyon. Comment
  RSA101821  Vulpia microstachys H. N. Bolander 37 Sonoma Geysers. Comment
  UCD93835  Vulpia microstachys var. ciliata Freed W. Hoffman 1943-6-13 2039 Sonoma Geyser Peak Road to Geysers. Comment
  CAS-BOT-BC184594  Vulpia microstachys var. pauciflora G. DeNevers 1981-6-4 1431 Sonoma On road cut top of W arm of Garrison Canyon