Search Results — 2000 specimen records retrieved (1217 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/).
 Records are made available under the CCH Data Use Terms.

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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  POM180771  Abies grandis J. T. Howell 1930-7-27 5398 Sonoma Canyon 1 mile N of Fort Ross. Comment
  UC221681  Abronia umbellata subsp. breviflora Alice Eastwood 1900-7-4 Sonoma Bodega Point Comment
  JEPS77871  Acer macrophyllum Robert M. Lloyd 1965-5-8 3634 Sonoma corner of Pressley Road and Sonoma Mt. Road w Glen Ellen; w of Glen Ellen Comment
  UC18123  Acer macrophyllum W. H. Brewer 1862-4-18 960 Sonoma near Sonoma; near Sonoma Comment
  CAS-BOT-BC332756  Acer macrophyllum J. W. Congdon May, July (no year stated) s.n. Sonoma Unspecified Comment
  CDA42344  Acer negundo D. G. Kelch 2012-5-2 12 .069 Sonoma Dry Creek Valley; near Preston Organic Winery along tributary of Dry Creek. Comment
  UC1193400  Acer negundo var. arizonicum P. Zinke 1950-4-25 118 Sonoma Russian River at Cloverdale; Quad. 61A4, Russian River at Cloverdale 152 Comment
  UC1084475  Acer negundo var. interior G. Thomas Robbins 1937-6-18 244 Sonoma Santa Rosa Santa Rosa Creek, Santa Rosa (bed of Santa Rosa Creek) Comment
  NY149868  Achillea arenicola A. A. Heller 1902-5-27 5608 Sonoma Bodega Bay Comment
  CAS-BOT-BC30087  Achillea millefolium Roxana S. Ferris 1932-5-27 8254 Sonoma Bodega Bay Comment
  UC891015  Achillea millefolium Milo S. Baker 1932-6-10 5879 Sonoma north of, next to beach Salmon Creek Comment
  POM55392  Achillea millefolium A. A. Heller, H. E. Brown 1902-4-17 s.n. Sonoma Hills at Santa Rosa Comment
  CAS-BOT-BC400007  Achlys triphylla Greg de Nevers; Susan Charnley 1987-3-28 8129 Sonoma Sea Ranch, along the Gualala River 20 Comment
  UC88432  Achyrachaena mollis W. E. Bryant Sonoma Healdsburg Comment
  CAS-BOT-BC29157  Achyrachaena mollis A. A. Heller; H. E. Brown 1902-4-16 5304 Sonoma Fields east of Santa Rosa Comment
  CAS-BOT-BC26655  Acmispon aestivalis Amos Arthur Heller 1902-8-18 6051 Sonoma Santa Rosa Comment
  NY380621  Acmispon gracilis A. A. Heller 1902-6-24 5754 Sonoma Near Burke's Santarium Comment
  UCD104338  Acmispon parviflorus R. Tofsrud 1951-5-20 s.n. Sonoma Dunbar School near Kenwood. Comment
  RSA12255  Aconitum columbianum var. columbianum Carl B. Wolf 1934-6-29 5800 Sonoma 6/10 of a mile inland from Stewart's Point. 61 Comment
  CAS-BOT-BC29850  Adenocaulon bicolor Rimo Bacigalupi 1926-5-2 1398 Sonoma Cazadero Comment
  HSC98397  Adenostoma fasciculatum R. Spellenberg 1964-6-15 404 Sonoma 5 mi. W of The Geysers on road from Geyserville Comment
  UCD112611  Adenostoma fasciculatum E. Frost 1996-5-26 23 Sonoma Mt. St. Helena, 200 yards in along hiking trail. 609 Comment
  UCD148509  Adiantum aleuticum Peter Rubtzoff 1965-10-10 5657 Sonoma Duncans Mills Marsh. Comment
  SEINET11719537  Adiantum jordanii F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -273 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  SD99422  Agoseris grandiflora Christopher Davidson 1977-6-20 6027 Sonoma Dry Creek Road, 8.6 miles west of Geyserville. 89 Comment
  CAS-BOT-BC15352  Agoseris grandiflora var. grandiflora Alice Eastwood 1921-5-8 10481 Sonoma Petaluma Comment
  UCD128437  Agoseris heterophylla Frederica Bowcutt 1994-5-21 1804 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. Comment
  CAS-BOT-BC13167  Agoseris hirsuta John Thomas Howell 1930-6-8 5268 Sonoma North end of Bodega Bay Comment
  CAS-BOT-BC176392  Agrostis Peter Rubtzoff 1967-8-22 5854 Sonoma SE of Lower Salmon Creek Marsh Comment
  CAS-BOT-BC176398  Agrostis Peter Rubtzoff 1964-6-24 5378 Sonoma Coleman Marsh, along Salmon Creek Comment
  CAS-BOT-BC376368  Agrostis Greg de Nevers 1992-6-26 10201 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 91 Comment
  RSA785750  Agrostis Peter Rubtzoff 1967-8-22 5857 Sonoma SE of Lower Salmon Creek Marsh Comment
  RSA785905  Agrostis Peter Rubtzoff 1967-8-22 5855 Sonoma SE of Lower Salmon Creek Marsh Comment
  UC37003  Agrostis H. N. Bolander 1860-1 6456 Sonoma Cloverdale Comment
  UCD166333  Agrostis Peter Rubtzoff 1968-7-13 5918 Sonoma Upper Salmon Creek Marsh. Comment
  SEINET10717806  Agrostis P. Rubtzoff 1968-6-19 Rubtzoff 5889 Sonoma Forest Hills (5.5 miles E of Guerneville). Russian River bank. Comment
  SEINET10915785  Agrostis P. Rubtzoff 1964-6-24 Rubtzoff 5368 Sonoma Lower Salmon Creek Marsh. Comment
  UC1026476  Agrostis alba Peter Rubtzoff 1951-7-8 389 Sonoma lower part of the upper Pitkin Marsh (near Forestville) Comment
  UC1146693  Agrostis blasdalei Freed W. Hoffman 1943-5-16 2208 Sonoma Death Rock North Coast Ranges, Sonoma Coast, Bodega Park (Bodega Park, Sonoma Coast) Comment
  UCD35514  Agrostis blasdalei Beecher Crampton 1957-7-11 4345 Sonoma 4.6 miles north of Salmon Creek, Sonoma Coast State Park, Duncan's Point. Comment
  UCD51864  Agrostis capillaris Beecher Crampton 1957-7-11 4319 Sonoma along State Hwy. 1, just south of Salmon Creek. Comment
  UCD51881  Agrostis capillaris Milo S. Baker 1943-7-29 10502 Sonoma Brookside Garden, Kenwood. Comment
  UCD37148  Agrostis densiflora Beecher Crampton 1957-7-11 4320 Sonoma Sonoma County, 0.5 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD52002  Agrostis densiflora Beecher Crampton 1957-7-11 4332 Sonoma Sonoma Coast State Park, 0.9 mile north of Salmon Creek. Comment
  UCD52010  Agrostis densiflora Beecher Crampton 1957-7-22 4360 Sonoma 5.3 miles north of Stewart's Point, State Hwy. 1. Comment
  CAS-BOT-BC126962  Agrostis exarata G. DeNevers 1981-6-20 1590 Sonoma Pepperwood Ranch. Confluence of Mark West Creek and Leslie Creek. Along Leslie Creek bed. Comment
  CAS-BOT-BC126968  Agrostis exarata A. A. Heller 1902-6-27 5779 Sonoma West of Windsor near Russian River. Comment
  UCD148470  Agrostis exarata Peter Rubtzoff 1964-6-3 5342 Sonoma Bodega Bay Marsh. 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
  UCD52391  Agrostis exarata A. A. Beetle; G. L. Stebbins Jr. 1942-6-4 3556 Sonoma 10 miles northeast of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC126964  Agrostis exarata Leo Koch 1938-6-12 313 Sonoma Along Redwood Highway about 3 miles north of Santa Rosa. Comment
  UCD52135  Agrostis exarata Freed W. Hoffman 1941-6-29 2069 Sonoma Sonoma Mountain Road. Comment
  UCD52245  Agrostis exarata var. monolepis G. F. Hrusa; R. Gross 1996-6-30 13064 Sonoma at W end of Diamond Mtn. Rd. 2 m. SW of Calistoga. 700 Comment
  UC126593  Agrostis hallii F. T. Bioletti Jun 1893 Sonoma Hood's Peak Comment
  UCD37348  Agrostis hallii Beecher Crampton 1959-6-16 5379 Sonoma Sonoma County, 1 mile east of Occidental. Comment
  SEINET3916556  Agrostis hallii Fred W. Hoffman 1941-6-28 2067 Sonoma Sonoma Mountain road.; 0 Comment
  CAS-BOT-BC138856  Agrostis microphylla Beecher Crampton 1966-5-10 7727 Sonoma 6.5 miles north of Sonoma, State Highway 12. Comment
  CAS-BOT-BC138921  Agrostis pallens G. DeNevers 1981-5-23 1317 Sonoma Pepperwood Ranch. On ridge top southwest of Garrison House. Comment
  CAS-BOT-BC138923  Agrostis pallens G. DeNevers 1981-5-30 1421 Sonoma Pepperwood Ranch. West facing slope above the Garrison Gate. Comment
  UCD53495  Agrostis stolonifera P. B. Kennedy 1917-8-27 s.n. Sonoma Del Mar. Comment
  CHSC96764  Agrostis viridis A. McVicker 2005-6-6 1349309 Sonoma Nursery Plants. Sonoma County. Winkler Water Gardens at 1925 Fulton Road, Santa Rosa. Comment
  RSA316038  Aira caryophyllea Patricia Wilder 1934-6-10 3634 Sonoma 1.0 mile N of Jenner on California state Hwy 1.North coast 23 Comment
  UCD55780  Aira caryophyllea Chris Bowen 1976-5-18 126 Sonoma Unit 24 Owners' Map. Sea Ranch. Near State Highway 1. Comment
  UCD55788  Aira caryophyllea var. capillaris Beecher Crampton 1955-4-5 2406 Sonoma 2 miles west of Fulton. Comment
  CAS-BOT-BC138213  Aira caryophyllea var. caryophyllea Peter Rubtzoff 1951-6-16 230 Sonoma Pitkin Marsh near Forestville. Lower part of the Upper Marsh. Comment
  CAS-BOT-BC138211  Aira caryophyllea var. caryophyllea David L. Morgan 1955-6-30 s.n. Sonoma Under bridge at Austin Creek, 3 miles west of Monte Rio, State Highway #12. Comment
  CAS-BOT-BC164375  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
  UCR244502  Alisma lanceolatum Peter Rubtzoff 1970-8-18 6303 Sonoma San Francisco Bay Region, Five miles north of Sears Point 11 Comment
  CAS-BOT-BC445328  Alisma lanceolatum Peter Rubtzoff 1959-6-20 4174 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC445336  Alisma lanceolatum Peter Rubtzoff 1954-7-4 1528 Sonoma Austin Creek Marsh. Comment
  CAS-BOT-BC445345  Alisma lanceolatum Peter Rubtzoff 1956-9-11 2845 Sonoma Vacation Beach, near (1.5 mi. below) Guerneville. Comment
  RSA0057954  Allium amplectens Greg de Nevers 1998-5-19 11252 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Franz Valley Road. 100 Comment
  HSC2927  Allium amplectens Beecher Crampton 1966-5-10 7731 Sonoma 6.5 mi. N of Sonoma, Hwy. 12 Comment
  RSA601311  Allium dichlamydeum David D. Keck, Jens Clausen 1935-6-15 3366 Sonoma 1 mile north of Salmon Creek Comment
  UC584213  Allium dichlamydeum David D. Keck and J. Clausen 1935-6-15 3366 Sonoma 1 mi n Salmon Creek (bluff above ocean) Comment
  UC189381  Allium peninsulare var. franciscanum J. W. Congdon 1880-6-2 Sonoma Petaluma Comment
  UCR261632  Alopecurus saccatus Ann Howald 2003-5-15 2335 Sonoma Inner North Coast Ranges, Sonoma Mountains, south end, upper east slope, c. 0.1 mile south of Rodgers Creek 205 Comment
  SEINET10511202  Alopecurus saccatus A. Arthur Heller 1902-6-10 Heller 5685 Sonoma Santa Rosa. Comment
  UCD165118  Amaranthus Peter Rubtzoff 1973-10-10 7345 Sonoma American Creek area, 2 miles west of Bloomfield. Comment
  CDA37330  Amaranthus albus D. G. Kelch, Troy McGregor 2010-8-22 10 .335 Sonoma Geyser Peak Rd. Comment
  RSA234563  Amaranthus californicus Peter Rubtzoff 1963-8-24 5240 Sonoma Laguna de Santa Rosa east of Graton Comment
  SBBG22245  Ambrosia chamissonis V. Haraden 1941-7-13 6 Sonoma E exposure to bay, Bodega Bay 15 Comment
  CAS-BOT-BC55542  Ambrosia psilostachya Peter Rubtzoff 1951-9-15 762 Sonoma Pitkin Marsh Comment
  RSA90498  Amelanchier florida M. V. Ott 1934-3-31 82 Sonoma Larkspur Hill about 3 miles W of Bodega, near the coast. Comment
  POM141360  Amelanchier pallida A. A. Heller 1902-7-1 5794 Sonoma Lagoon at Sebastopol Comment
  CAS-BOT-BC135667  Amelanchier utahensis A. A. Heller 1903-4-24 6617 Sonoma Woods near Cazadero Comment
  JEPS13275  Ammi majus Rimo Bacigalupi with G. T. Robbins 1955-7-14 5294 Sonoma 5.3 mi. s. (El Verano junction is 1 mi. w. of Schellville) El Verano junction (along CA State Hwy. 37) 3 Comment
  CAS-BOT-BC137886  Ammophila arenaria John H. Thomas 1969-9-21 15472 Sonoma Coastal strand, near mouth of Russian River. Comment
  JEPS97564  Ammophila arenaria R. D. Stone 1980-11-28 322 Sonoma Northern part of the Sea Ranch development N of Stewart's Point. Comment
  SEINET3917971  Ammophila arenaria K. Thorne 1984-11-21 3659 Sonoma Sea Ranch, 2.5 mi S of Gualala, stabilized coast dunes old sheep ranch.; 0 Comment
  CAS-BOT-BC177223  Amorpha californica var. napensis A. Day 1982-6-1 82 65 A Sonoma Pepperwood Ranch Comment
  CAS-BOT-BC177235  Amorpha californica var. napensis H. E. McMinn 1922-6-7 184 Sonoma Near Summit of grade out of Monte Rio to Guerneville Comment
  UC13282  Amorpha californica var. napensis Joseph Burtt Davy and Walter C. Blasdale 1899-7-22 6007 B Sonoma Austin Creek Comment
  CAS-BOT-BC222281  Amsinckia John Thomas Howell 1934-3-26 11787 Sonoma Southwestern base of Mt. Hood Comment
  CAS-BOT-BC222283  Amsinckia John Thomas Howell 1934-3-26 11785 Sonoma Southwestern base of Mt. Hood Comment
  NY380649  Amsinckia nigricans A. A. Heller 1902-5-27 5614 Sonoma Bodega Bay Comment
  HSC3552  Amsinckia vernicosa R. F. Good 1962-4-20 2 Sonoma 2 mi. W of Petaluma on D St., extension toward Pt. Reyes. Sonoma Mt. Coast Range. 46 Comment
  CAS-BOT-BC26970  Amsinckia viridifolia Alice Eastwood 1921-5-8 10484 Sonoma Petaluma Comment
  HSC17830  Anagallis arvensis S. N. Wiemeyer 1962-4-20 25 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UCD117554  Anagallis arvensis C. Wistrom 1996-4-6 20 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  UCD19497  Anagallis arvensis Terry Reedy 1974-5-11 220 Sonoma Bodega Head. 15 Comment
  CAS-BOT-BC137785  Andropogon virginicus var. virginicus John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham Marsh. Comment
  UCR198232  Angelica californica Dean Kelch, A. G. Murdock, Ben Carter 2007-5-13 07 .275 Sonoma Cavesdale Road 518 Comment
  UC640633  Angelica californica Alice Eastwood, John Thomas Howell 1938-7-6 6084 Sonoma Alder Glen Springs Comment
  CAS-BOT-BC221431  Angelica hendersonii Walter Knight; Irja Knight 1963-8-13 166 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC221433  Angelica hendersonii Walter Knight; Irja Knight 1963-8-13 304 Sonoma Harrison Grade Comment
  CDA38224  Angelica hendersonii T. C. Fuller 1957-9-24 397 -57 Sonoma Jenner. 0 Comment
  OBI9030  Angelica hendersonii Tracey Call, Viola Call 1961-6-10 2071 Sonoma 1 mi north of the Kruse Rhododendron State Park Comment
  CDA37918  Angelica tomentosa D. G. Kelch 2011-9-17 11 .739 Sonoma 1.8 km S of Jenner. Goat Rock Rd. Comment
  CAS-BOT-BC271442  Anisocarpus madioides F. H. Utech; W. Knight; I. Knight 1986-5-15 86 -164 Sonoma The Geysers, ca 14.0 mi ESE of Preston and US Hwy 101 on Geysers Road 330 Comment
  CAS-BOT-BC271431  Anisocarpus madioides Dorothy Scherer 1997-5-6 106 Sonoma Along forest trail northerly from Fort Ross Rd. and .6 mi. west of Seaview Road, Fort Ross State Historic Park 365 Comment
  CAS-BOT-BC271433  Anisocarpus madioides G. DeNevers 1981-5-23 1305 Sonoma In canyon leading to Redwoods from Devils Kitchen Hill, Pepperwood Ranch Comment
  SEINET181008  Anthoxanthum occidentale E. Tucker 1936-4-5 15003 Sonoma Camp Meekee Comment
  CAS-BOT-BC280667  Anthoxanthum occidentale David L. Morgan 1958-2-13 s.n. Sonoma 4 mi. W. of Monte Rio on Russian River Rd. Comment
  CAS-BOT-BC137689  Anthoxanthum odoratum Peter Rubtzoff 1955-5-14 1849 Sonoma Duncans Mills Marsh. Around the eastern border of the Marsh. Comment
  SD56677  Anthoxanthum odoratum Darley F. Howe 1963-7-3 3594 Sonoma 20 miles north of junction with Highway 12 on Highway 1. Comment
Read comments
Feb 6 2010
  UCR254874  Antirrhinum vexillocalyculatum Peter Rubtzoff 1964-6-6 5355 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg 61 Comment
  JEPS5285  Antirrhinum virga W. L. Jepson 1894-7-19 21300 Sonoma Mt. St. Helena Comment
  UC192719  Antirrhinum virga Michener and Bioletti May 1893 Sonoma Hood's Peak Comment
  CAS-BOT-BC457592  Aphanes occidentalis John H. Thomas 1966-3-22 11537 Sonoma Near the intersection of Occidental Road and Facedini Lane between Occidental and Graton, 1 mile east of Occidental. Serpentine. Comment
  RSA134224  Aphanes occidentalis Peter H. Raven, H. L. Mason 1957-3-23 10529 Sonoma Grassy hillside 1.1 miles S of Mendocino County line on State Hwy 128, N of Cloverdale Comment
  UC32476  Apiastrum angustifolium V. K. Chesnut before August, 1901 Sonoma Sonoma County Comment
  UCR255744  Apiastrum angustifolium Greg de Nevers 1997-4-16 10934 Sonoma North Coast Range, Cavedale Road 152 Comment
  CAS-BOT-BC17342  Arabis blepharophylla A. A. Heller; H. E. Brown 1902-3-29 5178 Sonoma Bodega Head. Comment
  JEPS46173  Arabis blepharophylla Eleanor Armstrong 1933-4-15 728 Sonoma Bodega Hill 6 Comment
  SEINET7258081  Arbutus menziesii L. Fallon 1939-1-2 s.n. Sonoma 10 miles west of Guerneville Comment
  CAS-BOT-BC56911  Arctostaphylos John Thomas Howell 1934-3-3 11747 Sonoma Between Fort Ross and Stewart's Point Comment
  CHSC69206  Arctostaphylos James D. Jokerst 1988-3-15 3050 Sonoma Healdsburg. Comment
  RSA629202  Arctostaphylos Jon E. Keeley 1993-9-11 24781 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA629225  Arctostaphylos Jon E. Keeley 1993-9-11 24796 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UC1388321  Arctostaphylos Freed W. Hoffman 1947-8-9 1430 Sonoma 7 mi nw Cazadero (Hoffman Trail to Devil's Ribs); North Coast Ranges Comment
  RSA0077990  Arctostaphylos B. A. Stein 1981-3-7 446 Sonoma Vine Hill Rd., 1/2 mile S of Vine Hill School Rd. Comment
  CAS-BOT-BC24086  Arctostaphylos bakeri Roxana S. Ferris; Laura Lorraine 1961-6-15 13566 Sonoma Harrison Grade, 1.3 mi. from junction with Green Valley Road. Comment
  CAS-BOT-BC24124  Arctostaphylos bakeri Lewis S. Rose 1934-2-22 34032 Sonoma 2 mi. E of Occidental Comment
  CAS-BOT-BC25322  Arctostaphylos bakeri Gladys L. Smith 1977-3-30 4652 Sonoma Summit area of Harrison Grade, serpentine outcrop 457 Comment
  OBI14768  Arctostaphylos bakeri Robert F. Hoover 1968-2-23 10893 Sonoma Graton-Occidental rd Comment
  OBI14770  Arctostaphylos bakeri H. E. McMinn 1936-4-5 4409 Sonoma About 2 mi N of Occidental Comment
  UC1093999  Arctostaphylos bakeri Lewis S. Rose 1951-3-21 55031 Sonoma 2 mi ne Occidental (type locality) 213 Comment
  UC518012  Arctostaphylos bakeri John Thomas Howell 1933-4-2 10956 Sonoma 2 mi e Occidental Comment
  UCD170221  Arctostaphylos bakeri S. J. Seybold; M. A. Siefker 2017-11-14 s.n. Sonoma Vadasz Vineyards, 18070 Carriger Road. Located behind main house on property. 64 Comment
  SEINET11998395  Arctostaphylos bakeri Unknown 1986-1 60001 Sonoma NE of Healdsburg, Reservoir Hill 122 Comment
  RSA139995  Arctostaphylos bakeri subsp. bakeri A. E. Wieslander 1936-9-19 707 Sonoma 1 mile northwest of Occidental 213 Comment
  RSA70870  Arctostaphylos bakeri subsp. bakeri Alice Eastwood, John Thomas Howell 1939-4-2 7376 Sonoma Near Camp Meeker on road to Monte Rio. Comment
  RSA8489  Arctostaphylos bakeri subsp. bakeri J. T. Howell 1933-4-2 10954 Sonoma 2 miles east of Occidental Comment
  SDSU1487  Arctostaphylos bakeri subsp. bakeri D. F. Howe 1969-6-8 4635 Sonoma 3.8 miles east of Occidental. 274 Comment
  RSA622717  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24762 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC23890  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1937-4-11 12895 Sonoma Rincon Ridge ne of Santa Rosa Comment
  UC1120075  Arctostaphylos canescens subsp. sonomensis A. E. Wieslander 1939-3-18 877 Sonoma s edge Rincon hills; Santa Rosa Quadrangle 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
  SEINET11984865  Arctostaphylos canescens var. sonomensis R. Gankin, Hildreth, W. R.; Milam, K. 1965-1 517 Sonoma 0.2 mi on Rockridge Lane on Montecito Rd, on Sones Property, Rincon Ridge, Santa Rosa Comment
  SEINET11989213  Arctostaphylos canescens var. sonomensis W. Knight, Knight, I. 1982-1 4669 Sonoma Tilden Botanic Garden, Berkeley, originally from Sones property on Rincon Ridge, Montecito Ave near Comment
  CAS-BOT-BC24990  Arctostaphylos densiflora Milo S. Baker 1930-3-1 3882 Sonoma Vine Hill region along highway, Brn. Ranch Comment
  CAS-BOT-BC25019  Arctostaphylos densiflora H. F. Copeland 1933-3-18 A 5 Sonoma Near Vine Hill Schoolhouse. Comment
  UC909875  Arctostaphylos densiflora J. E. Adams 1934-3-28 722 Sonoma Vine Hill School Sta. Rosa Comment
  SEINET11987167  Arctostaphylos densiflora J. Sigg, McClintock, E.; Knight, W.; Knight, I. 1981-1 4078 Sonoma Strybing Arboretum, Golden Gate Park, San Francisco, via Coulter's Nursery, from Vine Hill District, Comment
  CDA11144  Arctostaphylos glandulosa G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11555 Sonoma North Coast Biodiversity Arena; First (unnamed) tributary of Sulphur Creek, immediately after Geysers Road crosses creek. Adjacent to old homestead (on 7.5' quad). Comment
  CAS-BOT-BC23283  Arctostaphylos glandulosa subsp. cushingiana Milo S. Baker 1928-1-1 2588 b Sonoma Hood Mt., above Brown's cabin Comment
  CAS-BOT-BC23291  Arctostaphylos glandulosa subsp. cushingiana P. C. Everett; E. K. Balls 1954-10-20 20378 Sonoma 4.9 mi. s.w. of Lake-Sonoma Co. line, w. slopes of Mt. St. Helena. 533 Comment
  RSA631181  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24722 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA631195  Arctostaphylos glandulosa subsp. cushingiana Jon E. Keeley 1993-9-11 24734 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC24723  Arctostaphylos glandulosa subsp. glandulosa John Thomas Howell 1933-4-2 10947 Sonoma 8 mi. w. of Santa Rosa. Comment
  CDA11142  Arctostaphylos glandulosa subsp. glandulosa G. F. Hrusa, G. L. Stebbins, D. Kelch 1993-11-22 11553 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
  UC549398  Arctostaphylos glandulosa subsp. glandulosa J. E. Adams 1934-3-28 728 Sonoma five mi from Seaview (Cazadero Road) Comment
  RSA631187  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24725 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  RSA631198  Arctostaphylos glandulosa subsp. glandulosa Jon E. Keeley 1993-9-11 24728 Sonoma Chaparral on south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  CAS-BOT-BC39113  Arctostaphylos hispidula Roger Raiche 1984-2-3 40016 Sonoma Rockpile Road, 9/1 miles north from its intersection and beginning at Skaggs Spring-Stewarts Point Road. 502 Comment
  JEPS83505  Arctostaphylos hispidula Jack and Betty Guggolz 1986-3-8 853 Sonoma ca 15 mi nw Healdsburg (9.1-9.3 mi from jnt. Stewart's Point Rd. and Rockpile Rd. on Rockpile Rd. ne side) Comment
  RSA339412  Arctostaphylos hispidula Walter Knight, Irja Knight, Stephen W. Edwards 1985-1-27 5174 Sonoma about 100 yards west of road. At the upper side of a ravine. 7.7 miles from west end of Sonoma Lake bridge on Rockpile Rd. Comment
  CAS-BOT-BC24405  Arctostaphylos manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4760 Sonoma The Cedars, near Cazadero on Twitchell Ranch. 243 Comment
  CAS-BOT-BC24408  Arctostaphylos manzanita Roger Raiche 1983-7-15 30499 -I Sonoma Along powerline right-of-way near entrance to public landfill site, road to Annapolis, 1.2 mi. e. of intersection of Comment
  CAS-BOT-BC38987  Arctostaphylos manzanita Roger Raiche; Steve Edwards; Walter Knight; Irja Knight 1983-7-3 4753 Sonoma Near Cazadero, The Cedars, population samples from north end of 10 acre study area. 274 Comment
  CDA12042  Arctostaphylos manzanita G. F. Hrusa 1990-1-2 7347 Sonoma North Coast Biodiversity Arena; Hogback Mtn., approx. 4 km. NE of Sonoma. Comment
  RSA633052  Arctostaphylos manzanita Jon E. Keeley 1996-6-22 27486 Sonoma Stewarts Road ca. 10 km W of Geyserville. 420 Comment
  SEINET12872793  Arctostaphylos manzanita Unknown 2007-11-30 s.n. Sonoma Sonoma County Comment
  SEINET2028701 Image available Arctostaphylos manzanita H. F. Copeland 1933-3-18 Sonoma Spring Mountain Road, about 8 miles east of Santa Rosa Comment
  SEINET11987219  Arctostaphylos manzanita W. Knight, Knight, I. 1980-1 3857 Sonoma S end of Vine Hill Rd (E side) near Graton Comment
  SEINET11990959  Arctostaphylos manzanita Unknown 1983-1 30499 C Sonoma nr entrance to public landfill site, road to Annapolis, 1.2 mi E of intersection to Soda Springs Rd Comment
  SEINET11991011  Arctostaphylos manzanita W. Knight, Knight, I. 1983-1 4699 Sonoma Trinity Grade 300 Comment
  UCSB4744  Arctostaphylos manzanita Keator, Glenn 1959-4-3 Sonoma 9.1 miles north of Calistoga; Mt. St. Helena Comment
  CAS-BOT-BC38904  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11301 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38949  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1918-9-3 7945 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC38655  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1937-4-11 12906 Sonoma M.S. Baker's place, sw. slope of Mt. Hood Comment
  CAS-BOT-BC38714  Arctostaphylos manzanita subsp. manzanita Peter Rubtzoff 1951-9-15 744 Sonoma Open area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC38723  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1932-3-18 A 4 Sonoma Rincon Ridge, north of Santa Rosa Comment
  CAS-BOT-BC38725  Arctostaphylos manzanita subsp. manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1073 Sonoma .2 mile along Wine Creek Road from west Dry Creek Road, near Healdsburg Comment
  CHSC83180  Arctostaphylos manzanita subsp. manzanita Christine Lee 1993-4-24 97 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 Sonoma Creek along Hillside Trail. 396 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
  SBBG39486  Arctostaphylos manzanita subsp. manzanita L. S. Rose 1970-2-27 70007 Sonoma Vine Hill School Rd 76 Comment
  UC1193143  Arctostaphylos manzanita subsp. manzanita G. W. Tourtillott 1950-5-5 15 Sonoma 1/2 mi e Hale Ranch; Quad 60B3, Sulphur Creek 243 Comment
  UC1281098  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1936-4-5 4410 Sonoma along road just w Vine Hill School House Comment
  UC909869  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-28 727 Sonoma 4 or 5 mi from Seaview (Cazadero Rd) Comment
  CAS-BOT-BC38690  Arctostaphylos manzanita subsp. manzanita John Thomas Howell 1939-1-15 14596 Sonoma Booth place, Knight's Valley Comment
  CAS-BOT-BC43876  Arctostaphylos stanfordiana Philip V. Wells 1990-12-16 121690 Sonoma Rincon Ridge: north of Montecito Avenue 213 Comment
  CDA954  Arctostaphylos stanfordiana D. G. Kelch 2002-4-1 2 .008 Sonoma Cavedale Rd., Glen Ellyn. Comment
  HSC7717  Arctostaphylos stanfordiana S. N. Wiemeyer 1962-1-28 4 Sonoma 3/4 mi. E of County Hospital along Chanate Rd. 122 Comment
  LA88609  Arctostaphylos stanfordiana Robert F. Thorne; 1965-4-20 34344 Sonoma top of Parker Hill, N end of Parker Hill Rd, ca. 3 mi. N of Santa Rosa 243 Comment
  UC480592  Arctostaphylos stanfordiana Carl Meyer 1928-3-3 302 Sonoma Santa Rosa Comment
  UCD53843  Arctostaphylos stanfordiana Roman Gankin; W. R. Hildreth and Ken Milam 1965-4-16 516 Sonoma 0.2 mile on Rockridge Lance from Montecito Road; on Sones Property; Rincon Ridge; Santa Rosa. Comment
  CAS-BOT-BC47337  Arctostaphylos stanfordiana Susan M. Smith 2004-2-9 s.n. Sonoma On St. Helena Rd., 3.5 mi. e. of Calistoga Rd. 487 Comment
  JEPS86345  Arctostaphylos stanfordiana Jack and Betty Guggolz 1988-2-1 897 Sonoma 4,275,707N X 511,122E UMT Sotoyome Rancho Comment
  UC725948  Arctostaphylos stanfordiana A. A. Heller 1942-3-15 16394 Sonoma just ne Santa Rosa; Rincon Ridge Comment
  JEPS95235  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  POM209919  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A- 6 Sonoma Rincon Ridge, north of Santa Rosa. Comment
  RSA523854  Arctostaphylos stanfordiana var. repens Jack Guggolz, Betty Guggolz 1986-1-12 839 Sonoma Just outside the Conservation Easment, at the end of Bluesage Court in the Southridge Development. Comment
  RSA202099  Arctostaphylos viscida Freed W. Hoffman 1947-9-29 513 Sonoma Layton Mine, Austin Creek. Comment
  SD88565  Arctostaphylos viscida Darley F. Howe 1972-2-20 4805 Sonoma Trinity Road, Mt. Hood Range. Comment
  CAS-BOT-BC47467  Arctostaphylos viscida subsp. viscida Walter Knight; Irja Knight; Roger Raiche; Stephen W. Edwards 1983-7-3 4750 Sonoma The Cedars; Twitchell Ranch 274 Comment
  CAS-BOT-BC400485  Aristolochia californica Peter Rubtzoff 1951-8-26 673 Sonoma Hills south of Guerneville (Neeley Hill area) 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
  SEINET14286772  Arrhenatherum elatius D. Keil 1983-1 17210 Sonoma Stillwater Cove Regional Park Comment
  CAS-BOT-BC499175  Artemisia douglasiana Peter Rubtzoff 1986-9-28 9752 Sonoma Russian River at Forest Hills, 5.5 mi E of Guerneville Comment
  CAS-BOT-BC90486  Artemisia douglasiana Robert M. King 1980-7-8 8409 Sonoma Vicinity of Bodega Bay Comment
  UCD129246  Artemisia douglasiana Frederica Bowcutt 1994-6-24 1902 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. Sonoma Creek, Gray Pine Trail between Vista Trail and Meadow Trail. 408 Comment
  SEINET258281  Artemisia suksdorfii Leila M. Shultz, John S. Shultz 1986-9-20 10233 Sonoma 1 mile north of Jenner along Pacific Coast highway 6 Comment
  SEINET258290  Artemisia suksdorfii Leila M. Shultz, John S. Shultz 1986-9-20 10236 Sonoma 1 mile north of Jenner along Pacific Coast Highway 6 Comment
  CAS-BOT-BC368057  Arum italicum Greg de Nevers 1998-5-20 11254 Sonoma Mark West Creek on Cresta Ranch Comment
  UCSB40584  Asarum caudatum Takeda, Brian 1978-5-28 Sonoma 20 miles north of Bodega Bay on highway 1 in a small Redwood canyon Comment
  UC1084478  Asclepias fascicularis G. Thomas Robbins 1937-6-18 250 Sonoma College Avenue Santa Rosa Comment
  SEINET955720  Asclepias solanoana Helen K. Sharsmith 1952-1 4128 Sonoma Near junction of Socrates Mine Road with Pine Flat-Middletown Road, Mayacamas Mountains. 975 Comment
  CAS-BOT-BC478541  Asparagus officinalis Peter Rubtzoff 1951-9-15 766 Sonoma Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC478543  Asparagus officinalis Walter Knight; Irja Knight 1961-8-26 4726 Sonoma Vacation Beach, near Guerneville Comment
  JEPS128365  Aspidotis californica Roger Raiche 2009-4-30 029 .09 Sonoma The Cedars. Lower Russian River, East Austin Creek watershed. Comment
  UC42400  Aspidotis californica F. T. Bioletti 1892-5-15 Sonoma Hood's Peak Comment
  JEPS79502  Aspidotis densa Edward Lee with W. A. Setchell 1936-6-7 2191 Sonoma s ridge fire trail Bohemian Grove Comment
  CAS-BOT-BC68785  Aspidotis densa Catherine Best 1983-4-16 s.n. Sonoma On serpentine on the Bohemian Hwy. about 3 miles north of Occidental. Comment
  UC1242061  Aspidotis densa Don Branscomb 1958-6-1 Sonoma head of Oregon Canyon Guerneville Comment
  UCD137288  Aspidotis densa Frederica Bowcutt 1994-7-5 1939 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon about 1/4 air mile N of Sonoma Creek and W of Bear Creek road cut along dirt road at intersection wih Goodspeed Trail. 326 Comment
  SACT000181  Aspris capillaris M. Wiesendanger 1927-5-5 Sonoma Comment
  RSA44343  Aster chilensis M. S. Baker 1948-09 12042 Sonoma About 1 mile north of Sears Point Comment
  CAS-BOT-BC371456  Asteraceae Greg de Nevers 1989-4-1 9054 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. By tank at Skovie. 400 Comment
  CAS-BOT-BC376327  Asteraceae Greg de Nevers 1994-4-1 10517 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Cresta horse pasture 400 Comment
  CAS-BOT-BC180466  Astragalus breweri Alice Griffin 1922-4-1 s.n. Sonoma El Verano Comment
  UC13335  Astragalus breweri W. H. Brewer 1862-4-18 979 Sonoma Sonoma Valley Comment
  UC424775  Astragalus breweri Milo S. Baker 1929-4-16 3512 b Sonoma near Alpine Sch. H.; near Alpine Sch. H. Comment
  UCD168059  Astragalus breweri James Neilson 1977-4-24 3885 Sonoma crest of Mayacmas Mountains. (Exact location unknown. Neilson may have been on the south side of Pine Mountain on this date.) Comment
  CAS-BOT-BC178662  Astragalus claranus John Thomas Howell 1931-4-19 6431 Sonoma Grassy meadow, 12.5 miles from St. Helena on Spring Mountain Road to Santa Rosa Comment
  CAS-BOT-BC186825  Astragalus gambelianus Greg de Nevers 1993-5-30 10464 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Piny Canyon 457 Comment
  RSA94287  Athyrium filix-femina subsp. cyclosorum Peter Rubtzoff 1951-7-8 411 Sonoma Northern half of Lower Marsh Comment
  UCD151169  Athysanus pusillus James A. Neilson Jr. 1974-3-27 3021 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  LA11004  Avena barbata Nesta Dunn; 1932-5-15 sn Sonoma Santa Rosa Comment
Read comments
Dec 29 2014
  POM207090  Avena barbata A. A. Heller 1902-3-26 5157 Sonoma Santa Rosa creek, east of Santa Rosa Comment
  CDA36981  Avena fatua CDFA Staff s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  RSA785373  Avena fatua Peter Rubtzoff 1972-5-25 6766 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC145722  Avena fatua David L. Morgan 1956-6-15 s.n. Sonoma Approximately 2.5 miles southwest of Petaluma on the San Antonio Road. Comment
  CDA33712  Azolla filiculoides Patrick Akers 2011-2-22 s.n. Sonoma Sonoma. 2299 Sobre Vista Road 0 Comment
  CAS-BOT-BC68338  Azolla filiculoides Peter Rubtzoff 1963-6-22 5189 Sonoma Bennett Mtn. Lake Comment
  CAS-BOT-BC98603  Baccharis douglasii John Thomas Howell 1945-8-14 21398 Sonoma Perry Marsh Comment
  UCR279608  Baccharis glutinosa Peter Rubtzoff 1955-9-24 2148 Sonoma Duncan Mills Marsh, upper portion of marsh 9 Comment
  CAS-BOT-BC99587  Baccharis pilularis John H. Thomas 1976-6-17 18354 Sonoma Near northern end of Sea Ranch, northwestern part of Sonoma County, about 4 miles south of Gualala Coastal bluffs Comment
  SD39655  Baccharis pilularis Edith A. Purer 1932-7-27 Sonoma Sand dunes Comment
  UC34306  Baccharis salicifolia subsp. salicifolia W. C. Blasdale Sonoma Santa Rosa 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
  RSA0025200  Barbarea Peter Rubtzoff 1989-6-10 10005 Sonoma Along Russian River, ca. 6 mi east of Guerneville, at 9850 River Road. Comment
  RSA94330  Barbarea orthoceras Peter Rubtzoff 1951-6-9 163 Sonoma Pitkin Marsh, near Forestville; Forest south of the Upper Marsh. Comment
  CAS-BOT-BC145835  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennet Valley, southeast of Santa Rosa. Comment
  CAS-BOT-BC145846  Beckmannia syzigachne Peter Rubtzoff 1962-6-13 4914 Sonoma Americano Creek area. Just south of Bloomfield. Comment
  UC37448  Beckmannia syzigachne Michener and Bioletti 1893-6-10 114 Sonoma Kenwood Comment
  UCD56804  Beckmannia syzigachne H. S. Yates 1936-5-16 5620 Sonoma California Forest and Range Experiment Station. Near Green Valley School. 91 Comment
  SEINET10514173  Beckmannia syzigachne A. Arthur Heller 1902-6-7 Heller 5650 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  SEINET10514183  Beckmannia syzigachne A. Arthur Heller 1902-6-27 Heller 5780 Sonoma West Windsor near Russian River. Comment
  UCD122100  Bellardia trixago P. B. Kennedy 1928-5-13 s.n. Sonoma On Napa-Sonoma Highway and counties. Comment
  JEPS97534  Bellis perennis R. D. Stone 1980-11-30 330 Sonoma near landing strip and fire station at Sea ranch Annapolis Rd.; Sea Ranch 91 Comment
  HSC100948  Betula pendula Peter Warner 2011-4-6 186 Sonoma Pitkin Marsh, lower, ~750 m N2 deg. E from junction of Hwy. 116 and Guerneville Rd., S of main stream channel. 38 Comment
  UCD164214  Bidens cernua Peter Rubtzoff; Nancy Harrison, Edward Lee, Kenneth Stocking 1979-7-21 9293 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC290551  Bidens frondosa Peter Rubtzoff 1958-9-27 4012 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  CAS-BOT-BC290560  Bidens frondosa Peter Rubtzoff 1958-9-20 3995 Sonoma Laguna de Santa Rosa, northeast of Graton (0.5 mi. north of Guerneville Road). Comment
  CAS-BOT-BC290719  Bidens frondosa Peter Rubtzoff 1960-6-25 4509 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  RSA0019007  Bidens laevis Peter Rubtzoff 1954-11-18 1764 Sonoma Bodega Head Marsh. Comment
  RSA0019008  Bidens laevis Peter Rubtzoff 1961-9-6 4740 Sonoma Laguna de Santa Rosa area, northeast of Graton. Comment
  JEPS86325  Blennosperma bakeri Jack and Betty Guggolz 1988-2-23 901 Sonoma Kovatch property, n side of San Miguel Road, 1/10 m w of Walzer Rd Comment
  UCD165130  Blennosperma bakeri Peter Rubtzoff; Nancy Harrison, Walter Lennon 1974-5-11 7391 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  JEPS7752  Blennosperma nanum var. nanum Peter H. Raven 1954-2-27 6421 Sonoma 3 mi n, Cavedale Road Boyes Springs; Sonoma Valley Comment
  UC518979  Blennosperma nanum var. nanum J. Clausen 1933-3-25 729 Sonoma between Warfield and Kenwood, along highway Warfield Comment
  SEINET8466128 Image available Bloomeria crocea J. A. Ewan 1935-5-13 9264 Sonoma Wright School on Sebastopol Rd. Comment
  CAS-BOT-BC154957  Boisduvalia densiflora Peter Rubtzoff 1962-6-19 4919 Sonoma Occidental Marsh Comment
  CAS-BOT-BC154974  Boisduvalia densiflora Peter Rubtzoff 1957-8-17 3519 Sonoma Occidental Marsh Comment
  RSA80693  Boisduvalia densiflora F. W. Peirson 1925-8-8 6338 Sonoma Roadside 6 miles south of Santa Rosa Comment
  CAS-BOT-BC154972  Boisduvalia glabella Peter Rubtzoff 1963-7-27 5212 Sonoma Laguna de Santa Rosa E of Graton. Comment
  CAS-BOT-BC154865  Boisduvalia stricta Peter Rubtzoff 1954-7-27 1578 Sonoma Guerneville Marsh. Comment
  SEINET11749892  Bolboschoenus robustus W. Knight, Knight, I. 1984-1 5083 Sonoma Gilardis Resort near Lakeville on Petaluma River 3 Comment
  CAS-BOT-BC145449  Brachypodium distachyon Mary P. Wells 1984-5-5 329 Sonoma Santa Rosa. Friends House, Rincon Valley. Comment
  UCD56890  Brachypodium phoenicoides P. G. Connors 1991-7-8 198 Sonoma Bodega Head and Dunes. Comment
  CAS-BOT-BC36620  Brassica nigra G. DeNevers 1981-6-15 1516 Sonoma Pepperwood Ranch. At the big road cut on Franz Valley Road. Comment
  CAS-BOT-BC145478  Briza maxima Ira L. Wiggins; R. S. Ferris 1943-4-30 10165 Sonoma Roadside 0.5 mile south of Asti, along Highway 101. Comment
  JEPS121160  Briza maxima Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18591 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  RSA239698  Briza maxima Larry E. DeBuhr, Gary D. Wallace 1973-5-18 1096 Sonoma Pitkin-Jones Tree Farm. On Vine Hill Rd 1.3 miles N of jct with Gurneyville Rd. W of Santa Rosa. Comment
  UC565401  Briza maxima G. Thomas Robbins 1937-6-5 223 Sonoma about 10 mi w Santa Rosa; Vine Hill region, Pitkin Ranch Comment
  UCD151112  Briza maxima James A. Neilson Jr. 1974-6-1 2939 Sonoma Mayacmas Mountains, Mercuryville, The Geysers Road. (Elevation estimated by label maker using Google Earth.) 822 Comment
  UCD57172  Briza maxima Charles B. Heiser Jr. 1946-5-19 1739 a Sonoma Vine Hill, W of Santa Rosa Comment
  UCD57364  Briza maxima Beecher Crampton 1959-6-16 5371 Sonoma 0.2 miles E of Occidental. Comment
  CAS-BOT-BC145279  Briza minor Michener; Bioletti 1893-6-1 s.n. Sonoma Kenwood. Comment
  CAS-BOT-BC145296  Briza minor Ira L. Wiggins 1949-4-30 12070 Sonoma Four miles west of Calistoga, just west of county line. Comment
  RSA52654  Briza minor I. L. Wiggins 1949-4-30 12070 Sonoma Four miles west of Calistoga, just west of country line. Comment
  UC1130932  Briza minor H. S. Yates 1934-4-21 3824 Sonoma near Duncan's Mill; Duncans Mill Quadrangle Comment
  UCD19913  Briza minor C. H. Lamoureux; J. M. Tucker, J. McCaskill, and S. Armstrong 1957-4-7 1194 Sonoma 1 mile north of junction of Hwy 12 and Calistoga Rd., near Santa Rosa. 15 Comment
  CAS-BOT-BC478965  Brodiaea californica subsp. californica Greg de Nevers 1991-6-22 9753 Sonoma Pepperwood Natural Preserve 3450 Franz Valley Road 475 Comment
  CHSC22979  Brodiaea elegans Robert A. Schlising; Lloy Thurman 1962-6-15 2309 Sonoma Scaggs Springs Road, 12 mi W Jct with Dutcher Creek Road. Comment
  JEPS7638  Brodiaea elegans subsp. elegans W. L. Jepson 1918-6-21 7620 Sonoma Calhoun Ranch Windsor, Calhoun Ranch 30 Comment
  UC1442867  Brodiaea elegans subsp. elegans Theodore F. Niehaus 1966-5-29 692 Sonoma on n side Guerneville Road 0.2 mi n junction of Ridely Ave; northeast Santa Rosa Comment
  CAS-BOT-BC486532  Brodiaea elegans subsp. elegans Peter Rubtzoff 1962-6-8 4884 Sonoma Bennett Mountain Lake Comment
  CAS-BOT-BC486534  Brodiaea elegans subsp. elegans Peter Rubtzoff 1952-6-3 1170 Sonoma South slopes of Fitch Mountain, near Healdsburg Comment
  CAS-BOT-BC486538  Brodiaea elegans subsp. elegans Marcus E. A M Jones 1882-7-7 s.n. Sonoma St. Lawrence Comment
Read comments
Apr 7 2018
  CAS-BOT-BC486541  Brodiaea elegans subsp. elegans Peter Rubtzoff; Nancy Harrison 1976-6-18 8644 Sonoma False Lake Meadow area, Annadel State Park Comment
  CAS-BOT-BC486543  Brodiaea elegans subsp. elegans G. DeNevers 1981-6-1 1427 Sonoma Pepperwood Ranch by the Pippindale Garden Comment
  UC463107  Brodiaea leptandra Milo S. Baker June 1925 2346 Sonoma canyon above Kenwood Springs Comment
  SEINET7040126  Brodiaea pulchella A. G. Vestal 1962-4-12 Sonoma On Mark Springs Road, North of Santa Rosa, 6.4 miles northeast of Route 101. UTM Zone 10, 524439mE, 4265737mN. Comment
  CAS-BOT-BC486526  Brodiaea stellaris Roxana S. Ferris; Laura Lorraine 1961-6-15 13574 Sonoma Junction of Occidental Road with Facendini Lane Comment
  JEPS79160  Brodiaea terrestris subsp. terrestris N. Harrison 1978-5-10 1571 Sonoma e end Cunningham Marsh (Blucher Creek drainage); Sebastopol, , Blucher Creek Comment
  UC119909  Brodiaea terrestris subsp. terrestris Katharine Brandegee 1905-6-8 Sonoma between Santa Rosa Sebastopol Comment
  CAS-BOT-BC486470  Brodiaea terrestris subsp. terrestris Catherine Best 1983-6-10 s.n. Sonoma Salt Point, on bluff above the ocean Comment
  SBBG12947  Brodiaea terrestris subsp. terrestris A. I. Richardson 1961-6-17 22 Sonoma overlooking ocean, near Timber Cove, N of Ft Ross Comment
  UCD57976  Bromus carinatus Beecher Crampton 1957-7-11 4303 Sonoma Along State Hwy. 1, 1.4 miles SE of Bodega Bay. Comment
  UCD36637  Bromus carinatus Beecher Crampton 1955-6-8 2831 Sonoma Sonoma County, at Napa County border, 5 miles northwest of Calistoga, along State Highway 128. Comment
  UCD58257  Bromus carinatus Collector unknown 1941-3-1 Sonoma S. R. J. C. Santa Rosa. Comment
  CAS-BOT-BC149097  Bromus carinatus var. carinatus John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53991 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-BC156276  Bromus catharticus Catherine Best 1982-6-30 s.n. Sonoma At Bodega Bay. Comment
  CAS-BOT-BC155656  Bromus diandrus David L. Morgan 1956-6-26 s.n. Sonoma Bank of Austen Creek, 3 miles west of Monte Rio, on State Highway #12. Comment
  UCD58521  Bromus diandrus Gerry North 1993-4 1 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At Goodspeed trailhead pullout. On bank edge above Sonoma Creek. 213 Comment
  LA13805  Bromus diandrus Joseph Andorfer Ewan; 1935-5-12 9222 Sonoma Bodega Bay road 2 mi. W of Bodega Comment
  CAS-BOT-BC155206  Bromus hordeaceus David L. Morgan 1961-5-17 s.n. Sonoma East of Cotati on Petaluma Hill Road near Cotati Avenue. Comment
  UC1010995  Bromus hordeaceus Virginia Bufford 1936-5-22 383 Sonoma about 10 mi from Stewarts Point (Skaggs Spring Road); Skaggs Spring Road Comment
  SDSU951  Bromus japonicus D. F. Howe 1972-5-2 4817 Sonoma Trail above Duncan Mills Pond Comment
  CAS-BOT-BC162390  Bromus laevipes Peter Rubtzoff 1952-6-3 1146 Sonoma South slopes of Fitch Mountain, near Healdsburg. Comment
  UCD58923  Bromus laevipes Rimo Bacigalupi; L. Heckard 1961-6-9 7744 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
  UCD58936  Bromus laevipes B. Crampton 1955-6-17 2977 Sonoma 2.4 miles south of Monte Rio. Comment
  UCD58951  Bromus laevipes Gerry North 1993-4 20 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. Second pullout on right after park entrance. 0.3 miles from Goodspeed trailhead. 50 m south of Pony Gate Gulch Creek crossing. 274 Comment
  UC903719  Bromus mollis Milo S. Baker 1947-5-7 11741 Sonoma Hood Mountain near Grant Line; Hood Mountain 228 Comment
  CAS-BOT-BC161581  Bromus sterilis David L. Morgan 1956-4-20 s.n. Sonoma 4 miles southwest of Petaluma on D Street Ext. Comment
  CAS-BOT-BC161583  Bromus sterilis John Thomas Howell 1967-6-17 42598 Sonoma Confluence of Galloway and Dry Creeks. 182 Comment
  UC1010998  Bromus vulgaris Virginia Bufford 1936-5-21 371 Sonoma near Skaggs Springs Comment
  CAS-BOT-BC176119  Cakile maritima Peter Rubtzoff 1955-8-20 2078 Sonoma Bodega Harbor Marsh Comment
  CAS-BOT-BC185406  Calamagrostis bolanderi John Thomas Howell 1946-8-17 22877 Sonoma Cunningham Marsh. Comment
  UCD57039  Calamagrostis bolanderi Freed W. Hoffman 1941-6-15 2157 Sonoma North Coast Ranges, Sonoma Coast, Eckert's Ranch near Salt Point. Comment
  SD56676  Calamagrostis nutkaensis D. F. Howe 1953-7-3 3582 Sonoma 19 miles north of junction with #12 on #1 Comment
  CAS-BOT-BC185116  Calamagrostis ophitidis Catherine Best 1957-5-16 4039 Sonoma Hot Springs Road, 3 miles southwest of Cloverdale. Comment
  UCD160969  Calamagrostis ophitidis James A. Neilson Jr. 1975-7-8 3411 Sonoma Mayacmas Mountains. Socrates Mine Road, near summit. (Elevation and coordinates estimated by label maker.) 975 Comment
  UC903715  Calandrinia breweri Milo S. Baker 1947-4-22 11694 Sonoma McCatney Ranch Hood Mt. (w slope of mountain) 213 Comment
  CAS-BOT-BC438609  Calandrinia ciliata A. A. Heller; H. E. Brown 1902-4-9 5234 Sonoma Three miles South of Healdsburg Comment
  CAS-BOT-BC273248  Calendula arvensis John Thomas Howell 1946-3-31 21591 Sonoma Just east of Sonoma Comment
  CAS-BOT-BC273242  Calendula arvensis W. R. Russell 1967-3-28 s.n. Sonoma At north end of town, Sonoma Comment
  CAS-BOT-BC273244  Calendula arvensis R. Bacigalupi 1946-3-17 2774 Sonoma On eastern outskirts of Sonoma Comment
  RSA99617  Calendula arvensis J. T. Howell 1954-4-1 29138 Sonoma Just east of Shellville. Comment
  UCR249032  Callitriche heterophylla Peter Rubtzoff 1974-4-6 7355 Sonoma Along Lawndale Road, 0.75 mi. south of Hwy 12 131 Comment
  CAS-BOT-BC293757  Callitriche marginata Peter Rubtzoff 1974-4-17 7370 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC368090  Callitriche marginata Greg de Nevers 1998-5-5 11224 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. On Weimar Flat 400 Comment
  UC17852  Callitriche trochlearis J. Burtt Davy 1896-3-14 1665 Sonoma Cazadero 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
  JEPS128202  Calochortus amabilis Roger Raiche 2000-5-4 066 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS61627  Calochortus amabilis Vina W. Krager 1924-5-18 Sonoma Bodega Comment
  SD6492  Calochortus amabilis Michener, Bioletti 1891-1 2122 a Sonoma Hood's Peak. Comment
Read comments
May 14 2010
  UC843631  Calochortus amabilis Mrs. Eliz. Parsons Hawver Jun 1915 Sonoma Skaggs Springs Comment
  CAS-BOT-BC483272  Calochortus amabilis Saichi Kawahara 1968-4-20 328 Sonoma Oak-Trinity Road, 1 mile northeast of Highway 12 152 Comment
  CAS-BOT-BC483274  Calochortus amabilis John H. Thomas 1966-5-8 11605 Sonoma 1.4 miles west of Napa-Sonoma county line, along road between Calistoga and Santa Rosa Comment
  CAS-BOT-BC483278  Calochortus amabilis F. G. Krauss 1895-5-6 s.n. Sonoma Mountains near Franz Valley Comment
  CAS-BOT-BC483287  Calochortus amabilis Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC483290  Calochortus amabilis W. W. Carruth 1901-6-1 s.n. Sonoma Near Seaview Comment
  SBBG57657  Calochortus amabilis H. E. and S. T. Parks 1930-5-9 605 Sonoma Alexander Valley Comment
  UC3454  Calochortus amabilis unknown 1890-1 Sonoma Howard's Comment
  CAS-BOT-BC492631  Calochortus luteus Peter Rubtzoff 1961-6-23 4640 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC492633  Calochortus luteus D. E. Breedlove 1980-6-27 44751 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC492642  Calochortus luteus F. G. Kraus 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  UCD139533  Calochortus luteus G. V. Morejohn 1954-5-23 30 Sonoma beside Highway 12, 3 miles north of Sonoma. Comment
  SEINET4998947  Calochortus raichei Unknown 1995-6-25 093 .95 Sonoma N of Cazadero; The Cedars; Red Slide Creek drainage; at the top of Red Slide Falls Comment
  SD254491  Calochortus uniflorus Ann Howald, Christina Freeman 2015-4-13 3340 Sonoma Inner North Coast Ranges: Annadel State Park, Ledson Marsh, south shore, ca. 300 feet north of intersection Pig Flat and Marsh trails. 363 Comment
  RSA369107  Calochortus vestae Christopher Davidson 1977-6-20 6005 Sonoma Dry Cr. Rd. 8.6 mi. W of Geyserville. 91 Comment
  UC523536  Calycadenia multiglandulosa David D. Keck 1933-11-6 2648 Sonoma 2.5 mi n Occidental Comment
  UC89049  Calycadenia truncata Michener and Bioletti 1891-9-7 1220 a Sonoma Comment
  CAS-BOT-BC272756  Calycadenia truncata subsp. truncata John Thomas Howell 1932-10-9 10812 Sonoma Sonoma Creek Canyon near Kenwood Springs Comment
  CAS-BOT-BC91009  Calycanthus occidentalis James McMurphy 1909-5-29 s.n. Sonoma Near the Geysers. Comment
  JEPS128219  Calycanthus occidentalis Roger Raiche 2000-5-27 111 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS78743  Calycanthus occidentalis Edward Lee 1936-6-7 2176 Sonoma Bohemian Grove, Trail No. 10 Comment
  UC400137  Calycanthus occidentalis Ynes Mexia 1929-6-2 2397 Sonoma near Santa Rosa Comment
  UCR30831  Calycanthus occidentalis John C. Roos 1948-8-28 3956 Sonoma North Coast Ranges, Barrel Spring, Mill Creek, near Healdsburg 292 Comment
  UCSB15842  Calycanthus occidentalis 1962-6-6 Sonoma State Highway 128, 4.0 miles northwest of U.S. Highway 101 at Cloverdale 289 Comment
  JEPS86302  Calystegia Jack and Betty Guggolz 1988-5-8 941 Sonoma Pine Flat Road, 7.9 miles from Highway 128 on east side of the road Comment
  UC1794970  Calystegia R. K. Brummitt and T. F. Daniel 1997-5-31 19616 Sonoma 10 km NE of Santa Rosa, Pepperwood Ranch Natural Preserve, 2 km N of Bechtel Cabin. Comment
  CAS-BOT-BC223619  Calystegia collina subsp. oxyphylla Roxana S. Ferris; Laura Lorraine 1948-6-9 11660 Sonoma Summit of grade between Mark West Valley and Franz Valley Comment
  RSA697152  Calystegia purpurata subsp. saxicola J. R. Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  RSA710253  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
Read comments
Mar 15 2013
  SD73206  Calystegia purpurata subsp. saxicola Darley F. Howe 1969-5-28 4611 Sonoma 13.5 miles north of Jenner on Highway 1 Comment
  SDSU5665  Calystegia purpurata subsp. saxicola D. F. Howe 1969-5-28 4011 Sonoma 13.5 miles north of Jenner on #1. Comment
  JEPS46293  Calystegia subacaulis Eleanor Armstrong 1933-4-15 717 Sonoma Bodega, near beach 6 Comment
  RSA799989  Camissonia Peter Rubtzoff 1972-4-23 6739 Sonoma 4.25 mi. W. of Glen Ellen on Bennett Valley road. Comment
  JEPS81961  Campanula angustiflora Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9112 Sonoma along road to Franz Valley School road (between 1 and 1.25 mi due w of Sonoma-Napa counties line) 219 Comment
  CHSC79974  Campanula californica Melissa Brooks; Colette Beaupre 2000-7-20 Sonoma Near Sea Ranch, Ca on Gualala Redwoods, Inc. property, in portion of German Rancho. MDB and M. 60 Comment
  SEINET10463895  Campanula californica Parks 1925-7-20 PARKS s.n. Sonoma STEWART'S POINT Comment
  JEPS128326  Campanula griffinii Roger Raiche 2000-6-4 130 .00 Sonoma The Cedars, Gateway Parcel at Christi Camp. Lower Russian River, Big Austin Creek watershed. Comment
  SEINET10463208  Campanula prenanthoides Rowntree 1931-7-15 ROWNTREE s.n. Sonoma STEWART PT. SKAGGS SPRINGS ROAD SHADY BANK Comment
  CAS-BOT-BC37197  Capsella bursa-pastoris G. DeNevers 1981-4-23 797 Sonoma Pepperwood Ranch. In Pippindale Garden. Comment
  HSC6632  Capsella bursa-pastoris C. S. Chavez 1965-6-3 79 Sonoma 1 mi. E of Forestville on Hwy. 116 Comment
  HSC6633  Capsella bursa-pastoris S. N. Wiemeyer 1962-4-20 28 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  CAS-BOT-BC37755  Cardamine californica Dorothy Scherer 1996-4-8 030 Sonoma South of Highway 1 mileage marker 34.00 ca 1000 feet and west ca 250 feet. Fort Ross State Park. 36 Comment
  CAS-BOT-BC37758  Cardamine californica A. A. Heller; H. E. Brown 1902-3-17 5088 Sonoma Hills 8 miles northeast of Santa Rosa. Comment
  CAS-BOT-BC37769  Cardamine californica Elizabeth Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs. Comment
  UC10434  Cardamine californica F. T. Bioletti 1894-1 Sonoma Kenwood Comment
  JEPS53391  Cardamine californica var. integrifolia J. Burtt Davy 1896-3-13 1644 Sonoma Duncan's Mills Comment
  CAS-BOT-BC38027  Cardamine oligosperma Peter Rubtzoff 1955-5-14 1852 Sonoma Duncans Mills Marsh. In upper portion of marsh. Comment
  CAS-BOT-BC38032  Cardamine oligosperma Peter Rubtzoff 1960-5-30 4428 Sonoma Vacation Beach, near Guerneville. Sandy Russian River bank. Comment
  RSA73977  Cardamine oligosperma Milo S. Baker 1952-3-20 12391 Sonoma Western outskirts of Sonoma on 5th St. near Bettencourt Comment
  JEPS128328  Cardamine pachystigma var. dissectifolia Roger Raiche 2010-2-7 006 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC282949  Carduus acanthoides Greg de Nevers 1991-9-16 9771 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road, on ridge above Bechtel house 475 Comment
  CAS-BOT-BC281725  Carduus pycnocephalus Alice Eastwood; John Thomas Howell 1938-5-15 5505 Sonoma Near Mark West Springs Comment
  CDA32954  Carduus pycnocephalus D. Barbe & P. Hiatt 1979-5-1 Sonoma South of Asti; on Asti Road, 0.45 mile south of Washington School Road. 0 Comment
  RSA94306  Carduus pycnocephalus Peter Rubtzoff 1951-7-21 480 Sonoma Southern half of Lower Marsh; near the highway Comment
  CDA37138  Carduus tenuiflorus Chris Heintzelman 2012-4-13 PDR# 1596520 Sonoma East side of Sunset Rock in Goat Rock State Park, 2 miles south of Jenner. 0 Comment
  HSC42204  Carduus tenuiflorus S. Saufferer 1973-5-24 219 Sonoma Bodega Bay near the ocean Comment
  UCD140992  Carex G. F. Hrusa; R. Gross 1996-6-30 13063 Sonoma permanent spring-derived pool at W end of Diamond Mtn. Rd. Lower of two pools, approx. 150 meters apart. 2 m. SW of Calistoga. Single colony on W side of pool. 700 Comment
  CAS-BOT-BC334519  Carex abrupta Peter Rubtzoff 1954-6-19 1494 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC18144  Carex athrostachya Peter Rubtzoff 1958-7-5 3743 Sonoma Atascadero Creek Marsh. Comment
  UCR208535  Carex athrostachya Peter Rubtzoff 1960-5-15 4325 Sonoma Fife Creek Marsh [near Guerneville] Comment
  UCR208538  Carex athrostachya Peter Rubtzoff 1960-5-29 4426 Sonoma Laguna de Santa Rosa near Trenton [Rd.], south of Woolsey Road Comment
  UCD112444  Carex athrostachya Peter Rubtzoff 1958-7-5 3734 Sonoma Atascadero Creek Marsh. Comment
  UCR248934  Carex barbarae Peter Rubtzoff 1976-5-30 8577 Sonoma North Coast Range, Kenwood Marsh 120 Comment
  UCR249345  Carex barbarae Peter Rubtzoff 1958-5-4 3629 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC19372  Carex barbarae Bioletti 1893-6-1 s.n. Sonoma Los Guilicos Valley. Comment
  RSA364616  Carex bolanderi Christopher Davidson 1977-6-20 6034 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  CAS-BOT-BC110183  Carex buxbaumii Peter Rubtzoff 1951-6-7 129 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  RSA0034194  Carex cusickii Peter Rubtzoff 1955-5-14 1839 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC18978  Carex densa John Thomas Howell 1947-6-5 23236 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC18981  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13040 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC20490  Carex densa John Thomas Howell; Catherine Best; Wilma Follette; Gordon H. True; Mary P. Wells 1981-5-14 53974 Sonoma Fairfield Osborn Preserve of the Nature Conservancy. 4.5 miles northeast of Penngrove on the west slope of Sonoma Mt. 457 Comment
  CAS-BOT-BC242642  Carex densa Peter Rubtzoff 1955-5-21 1860 Sonoma Forestville Marsh. North facing slope bordering the marsh in the South Comment
  UCR258147  Carex densa Peter Rubtzoff 1955-4-30 1795 Sonoma Stony Point Marsh 72 Comment
  CAS-BOT-BC18975  Carex densa Alice Eastwood; John Thomas Howell 1936-5-19 2500 A Sonoma Fulton. Comment
  CAS-BOT-BC18993  Carex densa Katherine Esau 1935-5-5 s.n. Sonoma Near Petrified Forest. Comment
  CAS-BOT-BC20504  Carex densa Peter Rubtzoff 1958-7-19 3776 Sonoma Sonoma County Marshes. Laguna de Santa Rosa east of Sebastapol. Comment
  SEINET7556705 Image available Carex densa John Thomas Howell 1935-5-5 12605 Sonoma Near Kenwood. Comment
  POM248596  Carex dudleyi J. T. Howell 1938-7-3 13948 Sonoma Stony Point. Comment
  CAS-BOT-BC329295  Carex exsiccata Peter Rubtzoff 1960-5-20 4396 Sonoma Laguna de Santa Rosa east of Graton (between Occidental and Guerneville roads). Comment
  CAS-BOT-BC290553  Carex exsiccata Peter Rubtzoff 1958-5-17 3668 Sonoma Laguna de Santa Rosa north of Sebastopol (near Occidental Road). Comment
  RSA0015631  Carex exsiccata Peter Rubtzoff 1958-5-17 3668 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Rd). Comment
  RSA121756  Carex exsiccata H. S. Yates 1936-5-17 5632 Sonoma 2 miles NE of Graton. 30 Comment
  CAS-BOT-BC311828  Carex feta Peter Rubtzoff 1974-6-2 7508 Sonoma Upper Green Valley Marsh. Comment
  SEINET7558582 Image available Carex feta John Thomas Howell, J. W. Stacey 1937-6-6 13038 Sonoma Pitkin Marsh. Comment
  UC1026416  Carex gracilior Peter Rubtzoff 1951-6-16 12246 Sonoma near Forestville (w branch of the Upper Marsh); Pitkin Marsh Comment
  CAS-BOT-BC20458  Carex gracilior J. W. Stacey 1933-4-16 s.n. Sonoma Santa Rosa. Comment
  CAS-BOT-BC28334  Carex gracilior Henry Nicholas Bolander 1864-4-1 3867 Sonoma Meadow on Russian River. Comment
  UCD112364  Carex gracilior Peter Rubtzoff 1955-4-30 1808 Sonoma Forestville Marsh. Comment
  RSA0022421  Carex gynodynama Peter Rubtzoff 1964-5-20 5317 Sonoma Brooks Gulch Marsh. Comment
  UC70632  Carex gynodynama J. Burtt Davy July 1896 Sonoma between Russian River Station and Guerneville (n side of river, in an overflow pool); Russian River Comment
  CAS-BOT-BC21909  Carex harfordii Peter Rubtzoff 1955-5-21 1867 Sonoma Forestville Marsh. North facing slope bordering the marsh in the south. Comment
  CAS-BOT-BC242644  Carex harfordii Peter Rubtzoff 1957-5-4 3306 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC311836  Carex harfordii Peter Rubtzoff 1974-6-2 7513 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC320572  Carex harfordii Peter Rubtzoff 1964-5-20 5320 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC320574  Carex harfordii Peter Rubtzoff 1964-5-20 5304 Sonoma Brooks Gulch Marsh. Comment
  CDA34810  Carex hassei Peter Warner 2010-6-28 168 Sonoma Lower Pitkin Marsh, ~63 m, N 49 deg. E of gate at Hwy 116, just N of interior fence. Comment
  RSA0023073  Carex hassei Peter Rubtzoff 1962-5-11 4819 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC311822  Carex lasiocarpa Peter Rubtzoff 1966-6-5 5762 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC31179  Carex lemmonii Peter Rubtzoff 1951-6-16 260 Sonoma Pitkin Marsh, near Forestville. Western branch of the Upper Marsh. Comment
  SEINET7485357 Image available Carex lemmonii John Thomas Howell 1957-1 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC322116  Carex leptopoda Peter Rubtzoff 1955-5-14 1841 Sonoma Austin Creek Marsh. Comment
  RSA169300  Carex leptopoda L. S. Rose 1964-6-3 64051 Sonoma N end of Bodega Bay. 2 Comment
  UCR249077  Carex leptopoda Peter Rubtzoff 1960-6-7 4459 Sonoma Austin Creek Marsh 15 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
  JEPS128371  Carex mendocinensis Roger Raiche 1999-9-20 035 .99 Sonoma The Cedars, Grotto Pool. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC119731  Carex nebrascensis John Thomas Howell 1945-8-14 21411 Sonoma Perry Marsh. Comment
  CAS-BOT-BC119733  Carex nebrascensis John Thomas Howell 1946-8-17 22864 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC119578  Carex nudata John Thomas Howell; Catherine Best; Wilma Follette; Mary P. Wells 1982-4-28 54677 Sonoma Bouverie Audubon Preserve, ca 1.5 mi E of Glen Ellen near Stuart Creek. 137 Comment
  CAS-BOT-BC422366  Carex nudata Peter Rubtzoff 1962-5-6 4811 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  RSA94274  Carex ovalis Peter Rubtzoff 1952-5-31 1090 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the upper marsh. Comment
  CAS-BOT-BC331479  Carex rostrata Peter Rubtzoff 1971-6-29 6578 Sonoma Pitkin Marsh, near Forestville. Comment
  UCD167210  Carex serratodens James Neilson 1977-4-24 3883 Sonoma Mayacmas Mountains, south side of Pine Mt. (Exact location unknown, coordinates estimated by label maker.) Comment
  RSA0018585  Carex simulata Peter Rubtzoff 1975-7-3 8146 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC117356  Carex stipata var. stipata Peter Rubtzoff 1951-6-10 190 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  UCR248867  Carex stipata var. stipata Peter Rubtzoff 1955-5-14 1838 Sonoma Forestville Marsh 71 Comment
  CAS-BOT-BC116931  Carex subbracteata Peter Rubtzoff 1957-5-11 3330 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC116933  Carex subbracteata Lewis Samuel Rose 1964-6-3 64052 Sonoma N end of Bodega Bay swamp 1 Comment
  UCR248925  Carex subbracteata Peter Rubtzoff 1955-5-14 1842 Sonoma Austin Creek Marsh 15 Comment
  RSA758132  Carex subbracteata Peter Rubtzoff 1958-4-26 3605 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  SEINET10847110  Carex subbracteata Lewis S. Rose 1939-5-14 Rose 39116 Sonoma Bodega. Wet fields. 30 Comment
  CAS-BOT-BC116781  Carex subbracteata var. subbracteata John Thomas Howell 1938-7-3 13949 Sonoma Stony Point Comment
  CAS-BOT-BC116783  Carex subbracteata var. subbracteata Peter Rubtzoff 1957-5-26 3360 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC350915  Carex tumulicola Peter Rubtzoff 1971-6-25 6561 Sonoma Intermittent lake off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC281882  Carthamus T. C. Fuller 1969-9-16 18901 Sonoma Ca 1 mile W of the Asti turn-off of the freeway, Highway 101, Asti Comment
  CAS-BOT-BC281914  Carthamus lanatus Peter Rubtzoff 1969-7-5 6110 Sonoma Ca 5 miles NE of Penngrove, on Lichen Rd Comment
  CAS-BOT-BC281918  Carthamus lanatus T. C. Fuller 1970-9-29 19804 Sonoma N side of Valley Ford Rd, 6 miles W of Petaluma Comment
  UCD129941  Carthamus lanatus B. Crampton 1957-7-22 4356 Sonoma 15.2 miles west of Skaggs Springs on road to Stewart's Point. Comment
  RSA19277  Castilleja ambigua subsp. ambigua Jens Clausen 1935-5-24 1095 Sonoma 6.5 mi. S. of Jenner on the Bodega Road. Comment
  JEPS128327  Castilleja attenuata Roger Raiche 2000-5-4 073 .00 Sonoma The Cedars. Lower Russian River, Big Austin watershed. Comment
  JEPS19395  Castilleja exserta subsp. exserta G. Thomas Robbins 1938-4-15 261 Sonoma 6-7 mi w Santa Rosa (along road to Graton) Comment
  JEPS10644  Castilleja rubicundula subsp. lithospermoides W. L. Jepson 1921-6-3 9312 Sonoma Cotati Valley 28 Comment
  JEPS35569  Castilleja subinclusa subsp. franciscana L. R. Heckard 1964-6-12 1385 Sonoma s side Russian River (just across bridge on State Highway 1) Comment
  JEPS86334  Castilleja subinclusa subsp. franciscana Jack and Betty Guggolz 1988-4-4 908 Sonoma Sotoyome Land Grant; e side of crest of ridge Comment
  CAS-BOT-BC39434  Caulanthus lasiophyllus R. D. Stone 1983-6-14 541 Sonoma Headwaters of Squaw Creek drainage. Ca. 1.2 mile northwest of Geyser Rock. 1005 Comment
  CAS-BOT-BC47804  Ceanothus James McMurphy 1909-5-29 s.n. Sonoma Creek between Geyser Mountain and the Geysers Comment
  UCD168053  Ceanothus James Neilson 1978-6-9 3963 Sonoma Mayacmas Mountains, Shell Well Site E. (Exact location unknown. Coordinates estimated by label maker. Shell Well Site E was located at Shell U.S. Geothermal lease #1, which was subsequently leased to Northern California Power Agency, and is now known as NCPA Power Plant 1.) Comment
  CAS-BOT-BC48516  Ceanothus confusus J. Clausen 1933-3-26 735 Sonoma Rincon Range, east of Santa Rosa Comment
  SBBG119964  Ceanothus confusus A. Howald 2007-4-2 2459 Sonoma Goodspeed Trail above Sonoma Crk, ca. 0.3 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 260 Comment
  SBBG119965  Ceanothus confusus A. Howald 2007-4-2 2457 Sonoma Peirson Rd, ca. 0.6 km NW of confluence of Bear and Sonoma crks; Sugarloaf Ridge State Park 280 Comment
  UC1071291  Ceanothus confusus C. M. Belshaw 1936-3-8 1571 Sonoma Rincon Ridge, 1 1/2 mi N of County Farm 251 Comment
  RSA0005481  Ceanothus confusus J. T. Howell 1937-4-11 12897 Sonoma Rincon Ridge northeast of Santa Rosa. Comment
  UCSB21172  Ceanothus confusus McMinn, H. 1944-11-5 Sonoma Rincon Ridge Comment
  UCD160146  Ceanothus cuneatus James A. Neilson Jr. 1974-4-24 2716 Sonoma Mayacmas Mountains, Squaw Creek drainage, at site of geothermal well Ottoboni 17. (Exact location of Ottoboni 17 unknown; this record is georeferenced along Ottoboni Ridge Road in The Geysers; elevation estimated by label-maker). 967 Comment
  HSC39116  Ceanothus divergens Gary S. Lester 1974-2-9 65 Sonoma Annadel State Park off Lawndale Rd. 488 Comment
  RSA25702  Ceanothus foliosus Carl B. Wolf 1941-7-17 11021 Sonoma N coast range, Trinity Mt. 1/8 miles W of summit of grade 610 Comment
  CAS-BOT-BC49901  Ceanothus foliosus var. foliosus Greg de Nevers; Frank Almeda 1987-4-11 8132 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  JEPS128180  Ceanothus foliosus var. foliosus Roger Raiche 2001-5-17 021 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  RSA177943  Ceanothus foliosus var. vineatus Robert F. Thorne 1965-4-19 34318 Sonoma Vine Hill School Road 1/2 mile from Vine Hill Road. 76 Comment
  CAS-BOT-BC50012  Ceanothus gloriosus Milo S. Baker 1935-4-1 8031 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC32738  Ceanothus gloriosus var. exaltatus John Thomas Howell 1931-6-15 6694 Sonoma Vine Hill District, 9 miles W of Santa Rosa Comment
  UC486541  Ceanothus griseus Mrs. G. Earle Kelly 1932-6-13 Sonoma 4.5 mi n Ft. Ross Comment
  UC1299550  Ceanothus incanus Freed W. Hoffman 1947-6-4 598 Sonoma tributary of East Austin Creek Comment
  UC70423  Ceanothus integerrimus Milo S. Baker 1898-6-11 653 Sonoma Little Suphur Creek Comment
  SEINET12211380  Ceanothus integerrimus F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -270 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg & US 101 on Old Stewart Point-Skaggs Springs Rd 150 Comment
  RSA21888  Ceanothus integerrimus var. puberulus Alice Eastwood, John T. Howell 1939-4-2 7377 Sonoma Near Camp Meeker on road to Monte Rio. Comment
  CAS-BOT-BC50647  Ceanothus jepsonii Elmer I. Applegate 1934-3-25 s.n. Sonoma Pine Flat, west slope of Mayacama Mountains Comment
  UC1299548  Ceanothus jepsonii Freed W. Hoffman 1947-2-28 765 Sonoma near Guerneville (headwaters of Gilliam Creek); North Coast Ranges, headwaters of Gilliam Creek Comment
  UC766014  Ceanothus jepsonii R. F. Hoover 1939-4-18 4042 Sonoma Occidental Comment
  UCD123963  Ceanothus jepsonii D. O. Burge and K. B. Schroeder 2008-3-7 979 c Sonoma Ridge NW of Duvoul Creek, near confluence with Dutch Bill Creek, roadside on Bohemian Highway, between Camp Meeker and Monte Rio, 7.6 road miles (12.2 km) north of intersection with SR 12, near BM 136, 2.97 km 320 deg. (True) NNW of Camp Meeker. 50 Comment
  POM172066  Ceanothus jepsonii Lester Rowntree 1930-7-17 s.n. Sonoma Sage Canyon between ST. Helena and Monticello Comment
  UCD112062  Ceanothus jepsonii R. H. Neuns 1950-5-5 104 Sonoma 2 1/2 miles west of Mercuryville. 914 Comment
  SEINET12211093  Ceanothus jepsonii var. albiflorus I. Knight, Knightwedwards, S. 1986-1 5360 Sonoma Access from Healdsburg-Geysers Road 975 Comment
  SEINET12211130  Ceanothus jepsonii var. albiflorus Unknown 1985-1 50182 Sonoma Dry Cr. area nr Healdsburg, ridge W of Dry Cr Valley, unnamed road n of Dorman Cyn 244 Comment
  CAS-BOT-BC51886  Ceanothus parryi Lewis Allen 1937-5-16 s.n. Sonoma Laguna Santa Rosa area east of Cunningham, nr, Llano Road. Comment
  JEPS25143  Ceanothus parryi G. Thomas Robbins 1959-5-16 4013 Sonoma on Spring Mtn Road between Calistoga Road and Sonoma-Napa County line (along upper Mark West Creek, Mayacamas Mts.); Mayacamas Mts., along upper Mark West Creek 426 Comment
  RSA122368  Ceanothus parryi H. S. Yates 1934-4-21 5371 Sonoma near Guerneville 91 Comment
  UC1299590  Ceanothus prostratus Freed W. Hoffman 1948-5-10 2744 Sonoma e slope Cobb Mountain North Coast Ranges, e slope Cobb Mountain 1219 Comment
  UC1614462  Ceanothus purpureus Charles M. Belshaw 1936-3-8 1582 Sonoma 3/4 mi. n. Annadel (n.w. of Kenwood) 144 Comment
  SEINET12211095  Ceanothus ramulosus W. Knight, Knight, I.; Edwards, S. 1986-1 5358 Sonoma Along the trail en route to summit of Geyser Peak. Access from Healdsburg-Geysers Road Comment
  CAS-BOT-BC32656  Ceanothus sonomensis John Thomas Howell 1933-4-1 10930 Sonoma Slopes of Trinity Mt., 2 miles NE of Glen Ellen Comment
  CAS-BOT-BC53044  Ceanothus sonomensis J. Clausen 1933-3-25 723 Sonoma Along the road from Warfield to Oakville, about 4 miles east of Warfield 213 Comment
  UCD144666  Ceanothus sonomensis Frederica Bowcutt 1996-5-20 2139 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1.5 air miles WSW of Bald Mountain. Along Godspeed Trail, NW of confluence of Bear Creek and Sonoma Creek about 0.25 air miles. 304 Comment
  UC1071391  Ceanothus thyrsiflorus H. S. Yates 1934-4-21 3784 Sonoma near Freestone; Sebastopol Quadrangle Comment
  UCD112732  Ceanothus thyrsiflorus var. griseus C. B. Heiser Jr. 1946-4-13 1753 Sonoma Roadside near Jenner. Comment
  UCD130101  Centaurea solstitialis Gerry North 1993-4 28 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. At lower camping area. 60 meters south of vista point at old slide, northeast side of road. 335 Comment
  SEINET12332116  Centaurium floribundum H. K. Wagnon 1988-1 1743 Sonoma Santa Rosa, Spring Lake Park, just S of Montgomery Drive 73 Comment
  CAS-BOT-BC271545  Centromadia parryi subsp. parryi John Thomas Howell 1930-10-5 5530 Sonoma Dry field 5.8 miles SW of Sonoma on Black Point cutoff Comment
  CAS-BOT-BC249313  Cerastium Peter Rubtzoff 1963-6-22 s.n. Sonoma Bennett Mountain Lake. Comment
  RSA177949  Cerastium glomeratum R. F. Thorne 1965-4-20 34322 Sonoma Parker Hill Road ca. 2 1/2 miles N of Santa Rosa and 1 mile N of Sonoma County hospital. 107 Comment
  SD88338  Cerastium glomeratum Darley F. Howe 1972-5-2 Sonoma Duncan Mills Pond Comment
  HSC4104  Cerastium glomeratum F. Demostene 1966-4-1 2 Sonoma 2 mi. E of Healdsburg Comment
  SD134007  Ceratophyllum demersum Peter Rubtzoff 1962-10-23 5123 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC400227  Ceratophyllum demersum Peter Rubtzoff 1955-8-27 2103 Sonoma Bennett Mtn. Lake Comment
  POM187556  Cercis occidentalis Jones 1931-7-5 28974 Sonoma The Geysers Comment
  CAS-BOT-BC135415  Cercocarpus betuloides var. betuloides A. A. Heller; H. E. Brown 1902-3-25 5147 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC279782  Chamaemelum fuscatum R. Bacigalupi 1948-4-4 2870 Sonoma Ca. 2 mi. so. of Asti, along U.S. 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
  CAS-BOT-BC279788  Chamaemelum fuscatum Philip A. Munz 1952-3-23 17351 Sonoma 2 miles south of Asti Vineyard (Italian Swiss Colony) Comment
  CDA7377  Chamaemelum fuscatum T. C. Fuller 1970-5-4 19483 Sonoma 1 mile west of the freeway overpass, Highway 101, Asti. 0 Comment
  CAS-BOT-BC166671  Chenopodium Peter Rubtzoff 1971-8-9 6639 Sonoma Laguna, Chileno Valley. Comment
  UC116485  Chenopodium botrys T. S. Brandegee July, 1885 Sonoma Cloverdale Comment
  CAS-BOT-BC499262  Chlorogalum pomeridianum A. A. Heller 1902-6-27 5781 Sonoma West of Windsor near Russian River Comment
  CAS-BOT-BC499264  Chlorogalum pomeridianum David D. Keck 1944-7-11 5517 Sonoma 2 miles south of bridge across mouth of Russian River at Bodega, Sonoma Coast State Park Comment
  UCD163102  Chlorogalum pomeridianum var. minus Robert E. Preston 2014-5-17 2964 Sonoma 4.5 mi NNW of Cazadero. 190 Comment
  JEPS50856  Chlorogalum pomeridianum var. pomeridianum H-M. Beard Jun 26 1967-Jun 27 1967 61 .104 Sonoma Comment
  UC84506  Chorizanthe cuspidata var. villosa Alice Eastwood 1900-7-4 Sonoma Bodega Point; ; Bodega Pt., Sonoma Co. Comment
  UCD99673  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-4-6 62077 Sonoma Bodega Point. 30 Comment
  JEPS86777  Chorizanthe membranacea Jack and Betty Guggolz 1990-5-19 1054 Sonoma n side of the Pine Flat Road 7.1 mi in from Highway 128 612 Comment
  CAS-BOT-BC257025  Chorizanthe membranacea G. DeNevers; F. Almeda 1982-5-8 2003 Sonoma Pepperwood Ranch. On a little knob on the N slope of the High Hill E of 3 Tree Hill Comment
  CAS-BOT-BC252852  Chorizanthe polygonoides var. polygonoides Milo S. Baker No date on label. s.n. Sonoma Mt. St. Helena, 1/2 mi. SE of Inn Comment
  SEINET7883461 Image available Chrysanthemum segetum Lewis S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  UCD110112  Chrysolepis chrysophylla A. T. Leiser 1967-1-16 s.n. Sonoma Sea Ranch. 300'-450' N. end of ridge. Comment
  SJSU6040  Cicuta douglasii C. W. Sharsmith 1972-6-24 7802 Sonoma Forestville Marsh c. 0.5 mi E of Forestville NW of Sebastopol, southern Sonoma County 42 Comment
  RSA0035353  Cirsium Peter Rubtzoff 1955-9-24 2146 Sonoma Duncan Mills Marsh, upper portion of the marsh. Comment
  CAS-BOT-BC278067  Cirsium douglasii var. breweri Milo S. Baker 1926-1-1 229 c-Local Sonoma Hood Mt 609 Comment
  SEINET10615512 Image available Cirsium douglasii var. canescens A. Arthur Heller 1902-7-2 Heller 5804 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CAS-BOT-BC279995  Cirsium douglasii var. douglasii A. A. Heller 1902-7-2 5803 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  SEINET11860261  Cirsium occidentale Unknown 1936-5-2 13372 Sonoma near Healdsburg 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-BC290636  Cirsium occidentale var. occidentale Peter Rubtzoff 1958-7-26 3801 Sonoma Laguna de Santa Rosa, east of Sebastopol. Comment
  CDA1486  Cirsium occidentale var. venustum E. P. Delfino 1960-4-11 s.n. Sonoma Cloverdale; Rust Horn Ranch, Pine Mt. Rd. 0 Comment
  POM53749  Cirsium occidentale var. venustum A. A. Heller 1902-6-24 5753 Sonoma Near Burke's Sanitarium Comment
  UC1618421  Cirsium occidentale var. venustum Barbara Ertter, Lincoln Constance 1993-7-10 12100 Sonoma 5 mi. beyond pavement on Rockpile Rd. w. of Lake Sonoma (rd. to Annapolis) Comment
  UC76033  Cirsium occidentale var. venustum Milo S. Baker 1898-6-11 658 Sonoma Little Sulphur Creek Comment
  UCD160912  Cirsium occidentale var. venustum James A. Neilson Jr. 1975-7-8 3417 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  UCD159443  Cirsium vulgare D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 200 Sonoma Near Sonoma state beach hiking trail. Abundant. 41 Comment
  CAS-BOT-BC438976  Cistanthe monosperma Annie F. Rodda 1929-5-6 s.n. Sonoma Geyserville Comment
  CDA40774  Clarkia affinis S. Quick 1996-5-1 8 Sonoma Along Road 32, within 50 meters of the U.C. Reserve access road leading to Stebbins Cold Canyon Reserve. Comment
  CAS-BOT-BC162557  Clarkia affinis Peter H. Raven 1951-4-22 2781 Sonoma Hills E of Aqua Caliente Comment
  UC1299418  Clarkia amoena Freed W. Hoffman 1947-6-4 528 Sonoma headwaters East Austin Creek; North Coast Ranges Comment
  CAS-BOT-BC161052  Clarkia amoena subsp. amoena P. A. Munz 1936-8-8 14311 Sonoma Coast 5 mi. north of Jenner Comment
  CAS-BOT-BC161054  Clarkia amoena subsp. amoena Alice Eastwood 1915-6-29 4883 Sonoma Bodega Point Comment
  CAS-BOT-BC161058  Clarkia amoena subsp. amoena C. M. Hoak 1912-8-1 s.n. Sonoma Monte Rio Comment
  RSA51337  Clarkia amoena subsp. amoena Joanne Taylor 1941-7-13 11 -a Sonoma Canyon about 10 miles from Bodega Head. Comment
  SEINET3260630 Image available Clarkia amoena subsp. amoena Bassett Maguire, Ruth Maguire; C. B. Maguire 1934-6-7 15198 Sonoma Two miles North of Kellogg. Comment
  CHSC22113  Clarkia amoena subsp. huntiana Robert A. Schlising; Lloy Thurman 1962-6-15 2303 Sonoma Coast Ranges. Dutcher Creek Road, S of Cloverdale and Asti; roadside. Comment
  POM171626  Clarkia amoena subsp. huntiana Charlotte M. Hoak 1912-08 s.n. Sonoma Monte Rio. Comment
  SEINET4085089  Clarkia breweri O. M. Clark 1932-1 5292 -A Sonoma North Petaluma. Comment
  UCSB15930  Clarkia concinna Breedlove, Dennis 1962-6-6 Sonoma along State Highway 128; 1.5 miles northwest of U.S. Highway 101; at Cloverdale 121 Comment
  CHSC41510  Clarkia concinna subsp. concinna R. N. Bowman 1985-5-23 6073 Sonoma .2 miles w of guarded entrance to 'The Geysers' geothermal power generating area on Geysers Resort Rd. 445 Comment
  UC725785  Clarkia concinna subsp. concinna A. A. Heller 1940-5-10 15600 Sonoma near Fort Ross Comment
  UCR222559  Clarkia concinna subsp. concinna George K. Helmkamp, E. A. Helmkamp 2010-6-5 16242 Sonoma North Coast Ranges, River Rd., 9.6 miles west of its junction with US-101, 4.25 mi. ENE (83 deg. ) of Guerneville on slope above the Russian River 12 Comment
  CAS-BOT-BC163135  Clarkia gracilis subsp. sonomensis Joseph P. Tracy 1944-7-3 17484 Sonoma Trinity River Valley, at Willow Creek 152 Comment
  UC1778626  Clarkia gracilis subsp. sonomensis G. F. Hrusa 1998-6-14 14592 Sonoma Knights Valley Region; Serpentine slopes on side of Ida Clayton Rd., ~1.5 mi. E of Hwy. 128, NW shoulder of Mt. St. Helena 450 Comment
  CAS-BOT-BC163146  Clarkia gracilis subsp. sonomensis John Thomas Howell 1929-6-9 4303 Sonoma Near highway, Valley of the Moon one mile from Glen Ellen Comment
  UC1018288 Image available Clarkia imbricata H. Lewis and M. Lewis 1951-7-10 865 Sonoma Santa Rosa to Guerneville 6230 Vine Hill Road; Santa Rosa to Guerneville, Vine Hill Road, Sonoma Co. Comment
  CAS-BOT-BC163463  Clarkia purpurea subsp. quadrivulnera Alice Eastwood 1915-6-5 4596 Sonoma Petrified Forest Comment
  UC20370  Clarkia purpurea subsp. quadrivulnera F. T. Bioletti 1892-1 Sonoma Hood's Peak Comment
  CAS-BOT-BC164745  Clarkia rhomboidea Alice Eastwood 1915-6-6 4684 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC165672  Clarkia unguiculata Milo S. Baker 1925-1-1 s.n. Sonoma Mark West Cr. [Canon] Canyon Comment
  CAS-BOT-BC165674  Clarkia unguiculata Freed W. Hoffman 1947-6-4 509 Sonoma Upper reaches of East Austin Creek, Rocky Mountain Comment
  SEINET10492158  Clarkia unguiculata Tim Holtsford 1992-5-23 Holtsford 920523 -2 Sonoma Mark west springs rd, 0.1 mi w of ursuline rd, at milepost "ldtr 362+00." W- Facing slope with oaks, rhus, heracleum. Clarkia cocinna is sympatric. Comment
  CAS-BOT-BC439317  Claytonia exigua subsp. exigua Roxana S. Ferris 1962-4-14 13585 Sonoma Ca. 1/8 mi. beyond County dump Comment
  JEPS28104  Claytonia exigua subsp. exigua Roxana S. Ferris 1962-4-14 13585 Sonoma ca .12 mi beyond Sonoma County dump Comment
  CAS-BOT-BC439320  Claytonia exigua subsp. exigua Catherine Best 1982-3-20 s.n. Sonoma Stoetz Lane, 2 mi. north east of Occidental Comment
  SD130424  Claytonia gypsophiloides F. Alameda, G. DeNevers 1981-3-30 4876 Sonoma Pepperwood Ranch: along road to the Garrison Cabin at the SW sector of the ranch Comment
  UCD33223  Claytonia gypsophiloides Beecher Crampton 1967-5-15 7924 Sonoma Lytton. Comment
  UCR265107  Claytonia gypsophiloides Ann Howald 2015-4-1 3323 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 374 Comment
  CAS-BOT-BC439405  Claytonia gypsophiloides Mrs. H. C. Cantelow 1938-5-1 4215 Sonoma 9 mi. N. of Kenwood Comment
  HSC23387  Claytonia gypsophiloides G. G. Poulsen, Jr. 1971-4-10 8 Sonoma 17 mi. N of Cloverdale, 10 mi. W on Hwy. 28 610 Comment
  RSA52691  Claytonia gypsophiloides I. L. Wiggins 1949-4-30 12062 Sonoma 6.8 mi. east of Santa Rosa on road to Calistoga. Comment
  CAS-BOT-BC443871  Claytonia sibirica Peter Rubtzoff 1964-7-3 5340 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC443873  Claytonia sibirica A. A. Heller; H. E. Brown 1902-3-29 5185 Sonoma Bodega Bay Comment
  HSC100950  Clematis lasiantha Peter Warner 2011-5-3 189 Sonoma Jenner Headlands, lower Middle Pasture, 593 m, W359 deg. N from 'deep curve' in Hwy. 1 at gulch under-crossing , ~1.6 km NW of Jenner Village, W of north-middle gulch fork. 161 Comment
  CAS-BOT-BC92754  Clematis ligusticifolia John I. Carlson 1917-7-23 s.n. Sonoma Preston. Comment
  UC465904  Clematis ligusticifolia V. King Chesnut Aug. 1887 Sonoma near Santa Rosa Comment
  SEINET12050352  Clintonia andrewsiana F. H. Utech 1988-1 88 -234 Sonoma Stewart's Point, ca 1.5 mi E on Stewarts Point Road from junction with CA 1 40 Comment
  RSA63335  Collinsia heterophylla Milo S. Baker 1950-6-12 12279 Sonoma Hillside opposite Maplewood, near Kenwood. Comment
  SEINET7096713  Collinsia sparsiflora var. arvensis A. G. Vestal 1962-4-11 s.n. Sonoma Serpentine 1 mile east of Occidental. NAD27 38? deg. 24' 26ao, -122?_ 55' 50ao (converted to WGS84 decimal degrees) UTM Zone 10, 555305mE, 4614022mN. Comment
  POM14841  Collinsia sparsiflora var. arvensis A. A. Heller, H. E. Brown 1902-3-21 5117 Sonoma Hills southeast of Santa Rosa 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
  UC73524  Convolvulus arvensis Miss M. Alice King May 1897 Sonoma near Healdsburg Comment
  JEPS3024  Conyza canadensis Milo S. Baker 1951-10 12389 Sonoma at Shale Quarry; Mark West Cr. Comment
  UCD138898  Corallorhiza striata K. Esau 1933-4-14 s.n. Sonoma Napa County, Calistoga, near petrified forest. Comment
  JEPS30837  Cordylanthus maritimus subsp. palustris Rimo Bacigalupi 1962-6-19 8593 Sonoma low-lying area just above beach line on Bodega Harbor side of Bodega Head (opposite spit of Doran Beach) Comment
  JEPS6780  Cordylanthus pilosus subsp. pilosus W. L. Jepson 1895-8-30 21341 Sonoma Petrified Forest Comment
  UC615338  Cordylanthus pilosus subsp. pilosus Beryl O. Schreiber 1933-8-10 Sonoma Jack London home Glen Ellen Comment
  JEPS33015  Cordylanthus pringlei Freed W. Hoffman 1947-8-10 1433 Sonoma Red Slide North Coast Ranges, East Austin Creek (headwaters of creek) Comment
  CAS-BOT-BC238227  Cordylanthus tenuis subsp. brunneus Francis W. Pennell 1940-7-3 26044 Sonoma Hoods Peak, n.e. of Kenwood 731 Comment
  JEPS87247  Cordylanthus tenuis subsp. brunneus Jack and Betty Guggolz 1992-7-25 1334 Sonoma 5/8 mi ssw Bradford Mountain (along a dirt road, 4+ mi wsw of Geyserville) 292 Comment
  JEPS33006  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1946-8-14 784 Sonoma e Camp Meeker Comment
  RSA107417  Cordylanthus tenuis subsp. capillaris L. S. Rose 1955-7-11 s.n. Sonoma 2 miles NE of Occidental 244 Comment
  RSA537698  Cordylanthus tenuis subsp. capillaris T. I. Chuang 1975-7-5 7520 Sonoma Stoetz Lane, about 3/4 mile west of Harris [Harrison] Grade Road, north of Occidental Comment
Read comments
Jan 12 2013
  CAS-BOT-BC368072  Coreopsis grandiflora Greg de Nevers 1998-6-9 11273 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Franz Valley Rd., at mouth of John Kuffenotchi's driveway. 400 Comment
  POM132437  Cornus occidentalis A. A. Heller 1902-7-1 5796 Sonoma Lagoon at Sebastopol Comment
  CAS-BOT-BC210435  Cornus sericea Peter Rubtzoff 1958-5-3 3615 Sonoma Atascadero Creek Marsh Comment
  RSA800124  Cornus sericea Peter Rubtzoff 1970-8-31 7290 Sonoma Upper Green Valley Marsh, slope of Green Valley Road bank bordering the marsh. Comment
  JEPS58665  Corylus californica W. L. Jepson 1923-7-20 10025 Sonoma Sonoma Canyon Comment
  UCD110060  Corylus cornuta subsp. californica Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1767 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  CAS-BOT-BC143501  Cotoneaster pannosus Mary P. Wells 1989-2-13 975 Sonoma At curve of Montecito Ave. opposite Manzanita Ave., Rincon Ridge, Santa Rosa Comment
  CAS-BOT-BC290297  Cotula coronopifolia Peter Rubtzoff 1952-5-10 1011 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC210150  Cotula coronopifolia Peter Rubtzoff 1954-8-13 1718 Sonoma Bodega Head Marsh. Comment
  UCD130896  Cotula coronopifolia Charles B. Heiser Jr. 1946-3-29 1891 Sonoma on road to Sonoma from Napa, Hwy 12. Comment
  CAS-BOT-BC427655  Crassula aquatica Peter Rubtzoff 1972-4-23 6729 Sonoma 4.25 mi. west of Glen Ellen on Bennett Valley Road. 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
  SD141317  Crassula solieri Reid Moran, Charles Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1.0 km east of Glen Ellen. 110 Comment
  UCD101816  Crassula solieri Reid Moran; Chas. Quibell 1991-5-15 31053 Sonoma Sonoma Valley Regional Park, 1 km E of Glen Ellen (Rt. 12, 0.5 km S of Arnold Drive.) 110 Comment
  CAS-BOT-BC143503  Crataegus gaylussacia Peter Rubtzoff 1958-8-16 3885 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  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
  CDA37889  Crupina vulgaris CDFA Staff s.n. Sonoma Santa Rosa. 0 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
  UCD59962  Crypsis vaginiflora T. O. Morrison 1940-8-22 s. n. Sonoma Field Near Mt. Eden (Oliver Ranch). Comment
  UC857111  Cryptantha flaccida Milo S. Baker 1936-1-1 8607 Sonoma Sulphur Creek Canyon Highway, near mouth of canyon Sulphur Creek Canyon Comment
  JEPS30831  Cryptantha leiocarpa Rimo Bacigalupi, and L. R. Heckard 1962-6-19 8587 Sonoma 0.25 mi se Horseshoe Cove (at ne base of low hills forming Bodega Head proper); Bodega Head 12 Comment
  UC280520  Cryptantha muricata Katharine Brandegee Sonoma Mt. St. Helena Comment
  JEPS67871  Cryptantha torreyana Milo S. Baker 1898-4-23 620 Sonoma canyon of Santa Rosa Creek Santa Rosa Creek Comment
  RSA785748  Cucurbita Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. Comment
  CDA110  Cupressus macnabiana D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .284 Sonoma Cavedale Rd. Comment
  CDA11916  Cupressus macnabiana G. F. Hrusa, G. L. Stebbins 1994-4-8 11735 Sonoma North Coast Biodiversity Arena; Small tree 5 meters tall. Large population at Cavedale Edaphic Island, Cavedale Rd. approx. 2.7 m E of Hwy 12. Population varies toward C. sargentii and is associated with Quercus aff. durata, but no serpentine present in area. Comment
  HSC100102  Cupressus macnabiana J. P. Smith, & J. O. Sawyer 2010-4-26 12721 Sonoma 641 Comment
  RSA17622  Cupressus macnabiana C. B. Wolf, E. R. Johnson 1934-10-18 6198 Sonoma Head of Hooker Canyon, 4.7 miles east of Sonoma - Kenwood Road. 549 Comment
  SEINET11738930  Cupressus macnabiana W. Knight, Knight, I. 1981-1 3983 Sonoma 5.2 mi up Cavedale Road from jct of state route 12 Comment
  CAS-BOT-BC80799  Cupressus macrocarpa John H. Thomas 1976-6-15 18283 Sonoma Southern end of Sea Ranch, northwestern part of country, about 7 miles south of Gualala. Coastal bluffs. 30 Comment
  RSA396199  Cupressus sargentii F. H. Utech, Walter, Irja Knight 1984-4-18 84 -166 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane. 146 Comment
  RSA0051274  Cuscuta Greg de Nevers 1996-11-10 10891 Sonoma Just north of Highway 37 opposite Port Sonoma, Lower Ranch. 0 Comment
  RSA0022352  Cynodon Peter Rubtzoff 1970-9-13 6385 Sonoma Russian River bottom at Forest Hills (5.5 mi east of Guerneville). Comment
  CAS-BOT-BC190350  Cynodon dactylon Peter Rubtzoff 1956-9-14 2859 Sonoma Vacation Beach, near Guerneville. On Russian River bottom. Comment
  RSA94465  Cynodon dactylon Peter Rubtzoff 1951-7-21 504 Sonoma Pitkin Marsh near Forestville; area between the Upper and the Lower marshes Comment
  SBBG28837  Cynoglossum grande I. L. Wiggins 1932-3-12 5760 Sonoma between Knight's Valley and Franz Valley Comment
  CDA16160  Cynosurus echinatus G. F. Hrusa, R. Gross 1999-6-12 15075 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
  UCD160850  Cynosurus echinatus James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3263 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  UCD60154  Cynosurus echinatus Freed W. Hoffman 1941-6-3 s. n. Sonoma Near Guerneville. Comment
  UCR248902  Cynosurus echinatus Peter Rubtzoff 1969-8-29 6165 Sonoma Along Salmon Creek, c. 0.5 miles upstream from Hwy #1 3 Comment
  UCR254744  Cyperus Peter Rubtzoff, Nancy Harrison 1974-9-7 7876 Sonoma Hinebaugh Creek in Rhonert Park, in creek bed east of Commerce Blvd. crossing 30 Comment
  CAS-BOT-BC114517  Cyperus eragrostis Walter Knight; Irja Knight 1963-10-3 356 Sonoma Bennett Valley Comment
  CAS-BOT-BC114339  Cyperus esculentus Peter Rubtzoff 1965-9-11 5650 Sonoma Russian River margin at Forest Hills (5.5 mi E of Guerneville). Comment
  CAS-BOT-BC113815  Cyperus niger Freed W. Hoffman 1943-10-26 s.n. Sonoma Russian River, near Guerneville Comment
  JEPS128196  Cypripedium californicum Roger Raiche 1982-5-29 20416 A Sonoma The Cedars, Mineral Springs Canyon. Lower Russian River, Big Austin Creek watershed. Comment
  UC410708  Cypripedium californicum A. L. Graff 1928-5-22 Sonoma headwaters of Austin Creek Comment
  CAS-BOT-BC435192  Cypselea humifusa Peter Rubtzoff 1969-8-24 6145 Sonoma Pond on River Road 3 mi. west of Fulton. Comment
  CAS-BOT-BC435194  Cypselea humifusa H. K. Wagnon 1991-10-14 1993 Sonoma Jack London State Park. Comment
  UCD60299  Dactylis glomerata Virginia Bufford 1936-5-22 403 Sonoma Highway 1--2 mi. north of Stewarts Point. Comment
  CAS-BOT-BC192281  Danthonia californica David D. Keck 1944-7-11 5513 Sonoma 1 mile S. of bridge across mouth of Russian River 22 Comment
  CAS-BOT-BC192283  Danthonia californica Peter Rubtzoff 1951-6-17 267 Sonoma Eastern branch of the Upper Marsh. Pitkin Marsh, near Forestville 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
  UCD60460  Danthonia californica David L. Morgan 1956-5-17 s.n. Sonoma On Watmaugh Rd., 1/2 mile W of the junction of Arnold Dr. Comment
  UC1131394  Danthonia californica var. americana H. S. Yates 1937-5-30 6541 Sonoma 1 1/2 mi nne Graton; Sebastopol Quadrangle Comment
  UCD60685  Danthonia californica var. americana P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  UCD127412  Daucus pusillus Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-7-6 129 Sonoma Unit 35A Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC9024  Delphinium decorum Gertrude Raven Hardman 1925-3-10 s.n. Sonoma Tomales Comment
  RSA59839  Delphinium decorum E. Armstrong 1931-1 1936 Sonoma Ranch near Santa Rosa Comment
  UCD67996  Delphinium hesperium S. M. Smukler 1995-6-3 16 Sonoma Highway 1, South of the Russian River, above Shell Beach. On a cliff overlooking Shell Beach, next to the trail. An herbaceous perennial. Flowers, blue-purple. 40 Comment
  RSA264777  Delphinium hesperium Peter Rubtzoff 1974-5-25 7465 Sonoma Hwy 116, 2 miles W of Forestville Road cut (of Hwy 116) in forest Comment
  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-BC10093  Delphinium luteum Milo S. Baker 1926-4-14 186 e Sonoma Between Bodega and the Bay Comment
  CAS-BOT-BC33152  Delphinium luteum Amos Arthur Heller; H. E. Brown 1902-4-11 5256 Sonoma Bodega Bay Comment
  NY24259  Delphinium luteum L. S. Rose 1939-5-14 39120 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
  POM299321  Delphinium luteum Lester Rowntree 1932-6-12 s.n. Sonoma Near Bay Comment
  CAS-BOT-BC9900  Delphinium nudicaule Herbert L. Mason 1928-4-8 4287 Sonoma Two miles north of Fort Ross Comment
  UC635360  Delphinium nudicaule H. L. Mason 1928-4-8 4287 Sonoma sea bluff two mi n Fort Ross Comment
  CAS-BOT-BC9894  Delphinium nudicaule John Thomas Howell 1931-4-18 6427 Sonoma 8 miles N of Bay Comment
  UCD95873  Delphinium nudicaule Erik Beever; Patti Togioka and Valerie Bullock 1993-5-8 235 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Pony Gate Trail. 304 Comment
  UCD95876  Delphinium nudicaule Botany 102 Students 1993-4-24 94 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail, S of Sonoma Creek. 411 Comment
  CAS-BOT-BC121725  Delphinium patens subsp. patens Gregory Clark de Nevers 1981-5-7 994 Sonoma Pepperwood Preserve, Hansel's Lake Comment
  CAS-BOT-BC7772  Delphinium variegatum John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells; Gordon H. True 1981-5-14 s.n. Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mtn. 457 Comment
  CAS-BOT-BC7763  Delphinium variegatum subsp. variegatum Milo S. Baker 1928-4-10 2987 a Sonoma Bennett Val. Comment
  CAS-BOT-BC7765  Delphinium variegatum subsp. variegatum Ella D. Cantelow 1940-4-6 4273 Sonoma South of Shellville Comment
  CAS-BOT-BC227658  Deschampsia Peter Rubtzoff 1962-6-13 4902 Sonoma Freestone Marsh. Comment
  SEINET10717812  Deschampsia P. Rubtzoff 1962-6-13 Rubtzoff 4902 Sonoma Freestone Marsh. Comment
  UC573999  Deschampsia cespitosa subsp. cespitosa H. S. Yates 1936-5-16 5605 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad. Comment
  UC727687  Deschampsia cespitosa subsp. cespitosa Milo S. Baker 1946-5-13 11393 Sonoma marsh adjoining on n. Pitkin Ranch; Vine Hill Region Comment
  CAS-BOT-BC192603  Deschampsia cespitosa subsp. holciformis David L. Morgan 1956-5-23 s.n. Sonoma 4 mi. S. of Jenner on State Highway #1 Comment
  UCD63789  Deschampsia cespitosa subsp. holciformis David L. Morgan 1956-5-23 Sonoma 4 mi. S of Jenner on State Highway 1. Comment
  UCD63803  Deschampsia cespitosa subsp. holciformis David L. Morgan 1956-6-26 Sonoma Bank above Shell Beach, 1/4 mile south of Goat Rock. Comment
  UCD63820  Deschampsia cespitosa subsp. holciformis Beecher Crampton 1957-7-11 4333 Sonoma Sonoma Coast State Park along State Hwy. 1, 1.3 miles north of Salmon Creek. Comment
  CAS-BOT-BC201647  Deschampsia danthonioides G. DeNevers 1981-6-20 1638 Sonoma NE end of Pepperwood, on the E Road to Knights Valley Comment
  CAS-BOT-BC201955  Deschampsia elongata Peter Rubtzoff 1959-6-6 4099 Sonoma Willow Creek Marsh Comment
  CAS-BOT-BC201969  Deschampsia elongata Peter Rubtzoff 1962-5-25 4836 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road Comment
  RSA126963  Deschampsia holciformis H. S. Yates 1937-6-6 6586 Sonoma 5 miles S. of Jenner. 30 Comment
  CAS-BOT-BC209250  Dichanthelium acuminatum subsp. acuminatum F. G. Krauss 1893-10-29 s.n. Sonoma Geyser Canyon Comment
  UCR27417  Dichanthelium acuminatum subsp. thermale John C. Roos, L. Roos 1956-9-1 6598 Sonoma North Coast Range, The Geysers 549 Comment
  CAS-BOT-BC502216  Dichelostemma capitatum A. A. Heller; H. E. Brown 1902-3-14 5065 Sonoma near Windsor Comment
  SEINET12050380  Dichelostemma capitatum F. H. Utech 1988-1 88 -195 Sonoma ca 1.5 mi E of CA 1 on Willow Creek Road, Willow Creek marsh & adjoining meadows 10 Comment
  SEINET6879167  Dichelostemma congestum Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 7.8 miles south-southeast of Annapolis. Comment
  UCD139157  Dichelostemma congestum Frederica Bowcutt 1996-5-19 2149 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 souht of Red Mountain. Lower Bald Mountain Trail. 472 Comment
  UC665619  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma 5 mi n Jenner Comment
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Apr 2 2015
  POM264531  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma Five miles north of Jenner. Comment
  CAS-BOT-BC249262  Digitalis purpurea Peter Rubtzoff 1954-7-4 1534 Sonoma Austin Creek Marsh area. Comment
  RSA788366  Digitaria Peter Rubtzoff 1971-8-31 6664 Sonoma Todd Road near Stony Point Road Comment
  CAS-BOT-BC176370  Digitaria sanguinalis Peter Rubtzoff 1959-8-30 4243 Sonoma Drake's Beach, near Guerneville, along Russian River. 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
  UCD64005  Digitaria sanguinalis Collector Unknown 1941-11-1 Sonoma Santa Rosa Cr. by old S.P. R.R. Comment
  CHSC1749  Diplacus aurantiacus H. Holder 1949-5-19 Sonoma Highway #1. Comment
  CAS-BOT-BC153328  Diplacus layneae Alice Eastwood 1915-6-5 s.n. Sonoma Petrified Forest Comment
  UCD148325  Dipsacus sativus Peter Rubtzoff 1954-7-27 1570 Sonoma Guerneville Marsh. Comment
  UC1134581  Disporum hookeri H. S. Yates 1934-4-21 3802 Sonoma near Bodega 91 Comment
  POM109250  Disporum hookeri var. hookeri Marcus E. Jones 1882-7-8 s.n. Sonoma Duncan Mills. Comment
  RSA0022416  Distichlis Peter Rubtzoff 1970-7-17 6285 Sonoma 5 miles north of Sears Point. Comment
  RSA0022417  Distichlis Peter Rubtzoff 1971-8-23 6644 Sonoma Stony Point Road, just S of Hwy 116. Comment
  RSA0022418  Distichlis Peter Rubtzoff 1971-8-23 6646 Sonoma Spring Hill Road, 0.8 miles SE of Bodega Hwy (of Two Rock Church). Comment
  RSA796173  Distichlis spicata Peter Rubtzoff 1955-8-20 2065 Sonoma Bodega Harbor Marsh. Comment
  CHSC97901  Dittrichia graveolens S. Ostrom 2006-9-1 PDR 1328648 Sonoma Windsor; Shiloh Rd. and Business Park Ct. Roadside. 35 Comment
  UCD118839  Dodecatheon hendersonii Frederica Bowcutt; Kate Mawdsley 1996-3-24 2091 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. About 1 1/2 air miles W of Mount Saint John, along Brushy Peaks Trail just S of Malm Fork of Sonoma Creek. 426 Comment
  RSA3638  Dodecatheon hendersonii subsp. cruciatum I. L. Wiggins 1932-3-12 5759 Sonoma Wet, grassy area along stream at base of W-facing serpentine slope in mixed ever green forest; W of Stoetz Road off of Harrison Grade, ca. 2 mi. NNE of Occidental. 183 Comment
  UCR141959  Downingia concolor Beecher Crampton 1966-5-10 7728 Sonoma Coast Range, 6.5 miles north of Sonoma on State Hwy 12, Calif. Dept. of Forestry Glen Ellen station 76 Comment
  JEPS19381  Downingia concolor var. concolor G. Thomas Robbins 1938-5-19 265 Sonoma sw of Santa Rosa (Stony Point Road, near The Lagunas) Comment
  UC416606  Downingia concolor var. concolor Katharine Brandegee Sonoma Santa Rosa Comment
  UC726434  Downingia concolor var. concolor A. A. Heller 1941-5-17 16135 Sonoma 2 mi n Windsor (on U.S. Highway 101) Comment
  JEPS29142  Downingia concolor var. concolor John H. Weiler 1961-4-30 6197 Sonoma 1.2 mi w Schellville railroad station (along State Highway 37) Comment
  CAS-BOT-BC71015  Dryopteris arguta D. E. Breedlove 1980-6-28 44813 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC71021  Dryopteris arguta Walter Knight; Irja Knight 1963-12-27 460 Sonoma Pine Flat Road Comment
  UCR228707  Dryopteris arguta Frederica Bowcutt, Jolie Henricks, Jeff Kennedy 1994-5-1 1754 Sonoma Sugarloaf Ridge State Park, c. 50 air mi N of San Francisco and c. 10 air mi east of Santa Rosa; c. 1.5 air mi N of Kenwood; c. 18 air mi NW of Napa. Adobe Canyon along Goodspeed Trail c. 200 yards from just east of Bear Creek c. 5 yards north of confluence with Sonoma Creek 198 Comment
  CAS-BOT-BC71013  Dryopteris arguta Dorothy Scherer 1997-5-7 096 Sonoma Along path south side of Fort Ross Cr. halfway from Hwy 1 to ocean, Fort Ross State Historic Park 36 Comment
  JEPS35199  Dryopteris expansa Fred Hein 1931-11-12 Sonoma near mouth of Gualala River (Mendocino Co. line) Comment
  SD95157  Dudleya cymosa Mark Cary 1971-4-22 45 Sonoma Canyon Road, 15 miles west of Geyserville. Comment
  CAS-BOT-BC428180  Dudleya cymosa subsp. cymosa Alice Eastwood 1900-5-1 s.n. Sonoma Knights Valley Comment
  UCD60852  Echinochloa crus-galli H. H. Wernland 1923-10-10 Sonoma Near Bodega. Comment
  UCD60847  Echinochloa crus-galli Beecher Crampton 1960-11-29 5810 Sonoma 4 miles s.e. of Santa Rosa, Matanzas Creek. Comment
  UCD49782  Eleocharis macrostachya Mary M. Hektner 1975-6-2 194 Sonoma Unit 28 Owner's Map, Sea Ranch, near State Highway 1, Sonoma County, California. Comment
  CAS-BOT-BC112665  Eleocharis parvula Peter Rubtzoff 1969-8-29 6177 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC112181  Eleocharis radicans Peter Rubtzoff 1951-9-2 702 Sonoma Southern half of Lower Marsh. Comment
  CAS-BOT-BC94038  Eleocharis radicans Greg de Nevers 1990-5-15 9667 A Sonoma Pepperwood Natural Preserve 3450 Franz Valley Road 457 Comment
  CAS-BOT-BC113673  Eleocharis tenuis var. tenuis Sturgeon 1956-7-3 s.n. Sonoma Near Occidental (Sturgeon's Mill ?) Comment
  UCD151300  Elymus elymoides James A. Neilson Jr. 1974-7-25 2982 Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. (Elevation estimated by label-maker using topo map.) 792 Comment
  UCR42318  Elymus elymoides L. F. LaPre 1985-6-5 s.n. Sonoma Socrates Mine, c. 9 mi. ENE of Geyserville 976 Comment
  SEINET11687494  Elymus glaucus W. Knight, Knight, I.; Edwards, S. 1986-1 5326 Sonoma along trail to summit of Geyser Peak, access from Healdsburg-Geysers Road 853 Comment
  CAS-BOT-BC203705  Elymus glaucus subsp. glaucus Mary P. Wells 1984-5-24 282 Sonoma Annadel State Park, Santa Rosa Comment
  UC1146676  Elymus glaucus subsp. virescens Freed W. Hoffman 1941-6-22 2089 Sonoma Wright's Beach North Coast Ranges (cliffs) Comment
  CAS-BOT-BC235233  Elymus multisetus Roxana S. Ferris; Laura Lorraine 1961-6-15 13571 Sonoma About 1/8 mile beyond County Dump Comment
  JEPS128234  Epilobium brachycarpum Roger Raiche 2000-9-2 149 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC20095  Epilobium brachycarpum J. Burtt Davy Aug. 1896 4139 Sonoma Russian River Comment
  CAS-BOT-BC166620  Epilobium canum subsp. canum Walter Knight; Irja Knight 1963-9-15 237 Sonoma Los Alamos Rd, Santa Rosa Comment
  CAS-BOT-BC262961  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1968-8-31 5946 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC262963  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1955-7-23 1978 Sonoma Forestville Marsh. Comment
  RSA800032  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1520 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  CAS-BOT-BC262950  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1954-8-10 1681 Sonoma Bodega Head Marsh. Comment
  SBBG5065  Epilobium ciliatum subsp. watsonii H. and M. Dearing 1939-5-14 3365 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  UCD158775  Epilobium ciliatum subsp. watsonii James A. Neilson Jr. 1974-7-10 2814 Sonoma Mayacmas Mountains, 1/4 mi. south of Geyser Rock area. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  CAS-BOT-BC173542  Equisetum Peter Rubtzoff 1973-8-21 7253 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA790976  Equisetum Peter Rubtzoff 1973-9-8 7302 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC371112  Equisetum arvense Miss M. Alice King 1897-1 Sonoma Comment
  CAS-BOT-BC57208  Equisetum hyemale subsp. affine Mary P. Wells 1981-7-1 s.n. Sonoma Goat Rock State Beach Comment
  UC810320  Equisetum laevigatum K. Wagnon 1940-3-29 237 Sonoma nw corner Santa Rosa Jr. College Campus (along Eliot Ave.) Comment
  CAS-BOT-BC164076  Equisetum laevigatum Peter Rubtzoff 1959-8-22 4230 Sonoma South Fork Eel River in Edward R. Hickey State Park. Comment
  CAS-BOT-BC57643  Equisetum telmateia Walter Knight; Irja Knight 1963-9-15 383 Sonoma Los Alamos Rd. Comment
  CAS-BOT-BC312695  Eragrostis Peter Rubtzoff 1968-9-21 5982 Sonoma Russian River bottom at Forest Hills (5.5 miles east of Guerneville). Comment
  CAS-BOT-BC182756  Eragrostis mexicana subsp. virescens Peter Rubtzoff 1956-9-21 2937 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC284189  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1961-8-25 4720 Sonoma Forest Hills east of Guerneville, Russian River Comment
  UC17604  Eremocarpus setiger H. N. Bolander 1860-9-18 440 Sonoma Cloverdale Comment
  JEPS86762  Ericameria arborescens Jack and Betty Guggolz 1990-9-25 1096 Sonoma 1.5 mi se Warm Springs Dam (1/8 mi ne of the dam of the large reservoir on Harry Merlo's property) 198 Comment
  UCR255874  Erigeron annuus Greg de Nevers 1994-6-13 10526 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UCD131288  Erigeron canadensis Frederica Bowcutt 1995-11-19 2064 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Along Adobe Canyon Road. About 0.5 miles W of kiosk and turn off for campground. About 1 air mile SW of Red Mtn. 304 Comment
  RSA507759  Erigeron glaucus J. C. Semple, S. Heard 1986-8-18 8545 Sonoma Pebble Beach Coastal Access; CA-1, 10.1 km S of Mendocino County line. Comment
  UCD158778  Erigeron inornatus James A. Neilson Jr. 19 Aug1974 2850 Sonoma Mayacmas Mountains, south of Geyser Rock. (Elevation estimated by label maker using Google Earth.) 1027 Comment
  CAS-BOT-BC368066  Erigeron philadelphicus Greg de Nevers 1998-5-26 11264 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Creek 400 Comment
  JEPS87223  Erigeron philadelphicus var. philadelphicus Jack and Betty Guggolz 1992-5-17 1302 Sonoma on the w side Black Mountain (e of Geyserville, Anderson Trail) 585 Comment
  JEPS116515  Erigeron reductus var. angustatus Peter Warner with R. Raiche, B. Edwards 2009-7-30 108 Sonoma Jenner Headlands, off State Hwy 1 about 1 mi N of Jenner village; E of power lines, W of Jenner Gulch 175 Comment
  RSA765540  Eriogonum cedrorum Roger Raiche 2010-7-17 39 .1 Sonoma The Cedars, headwaters of Big Austin Creek, main canyon at Upper Mine (type locality) 378 Comment
  JEPS82261  Eriogonum compositum var. compositum Roger Raiche 1983-6-4 30373 Sonoma s side Sweetwater Springs Road 3.9 mi w its origin at West Side Highway ((above Porter Creek e of its intersection with John Gordon Creek)) Comment
  CAS-BOT-BC259258  Eriogonum latifolium John Thomas Howell 1930-7-27 5415 Sonoma 4 miles north of Bodega Bay Comment
  POM105430  Eriogonum latifolium Marcus E. Jones 1882-7-17 5 M-11-26 Sonoma Duncan's Mills. Comment
  CAS-BOT-BC259252  Eriogonum latifolium W. R. Dudley 1893-9-9 s.n. Sonoma Near mouth of Russian River Comment
  CAS-BOT-BC259254  Eriogonum latifolium Mary P. Wells 1981-7-2 s.n. Sonoma Bihler's Point, The Sea Ranch Comment
  UC1093645  Eriogonum luteolum var. luteolum Herbert L. Mason 1946-7-4 12899 Sonoma 2 mi e Occidental Comment
  CAS-BOT-BC261690  Eriogonum nudum var. nudum Irja Knight; Walter Knight 1964-11-15 791 Sonoma Hood's Peak on road below Johnson Lake Comment
  CAS-BOT-BC261687  Eriogonum nudum var. nudum Mary P. Wells 1985-7-7 544 Sonoma King's Ridge Road, north of Cazadero Comment
  CAS-BOT-BC262391  Eriogonum vimineum D. E. Breedlove 1980-6-27 44782 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UCD158794  Eriogonum vimineum James A. Neilson Jr. 1974-6-1 3055 Sonoma Mayacmas Mountains, Geyser Rock, northeast Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  CAS-BOT-BC262393  Eriogonum vimineum R. D. Stone 1983-6-16 552 Sonoma At the Little Geysers, upper Big Sulphur Creek drainage 701 Comment
  CAS-BOT-BC300959  Eriophyllum lanatum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CDA5240  Eriophyllum lanatum var. achilleoides T. C. Fuller 1958-5-24 4000 Sonoma Vinehill District. 0 Comment
  CHSC52665  Eriophyllum lanatum var. achilleoides James Jokerst 1985-5-29 2384 Sonoma Near Cobb Mountain. 1126 Comment
  CAS-BOT-BC301285  Eriophyllum lanatum var. arachnoideum Walter Knight; Irja Knight 1963-10-27 396 Sonoma Spring Mt. Road Comment
  SEINET7067337  Eriophyllum lanatum var. arachnoideum A. G. Vestal 1947-5-16 s.n. Sonoma About 6.7 miles East of Windsor on Mendocino Avenue. Coordinate datum: NAD27. UTM Zone 10, 523728mE, 4258330mN. Comment
  UC31668  Eriophyllum lanatum var. arachnoideum Harley P. Chandler 1900-5-25 655 Sonoma Bodega Comment
  UC632733  Eriophyllum lanatum var. arachnoideum H. L. Mason 1934-4-28 8096 Sonoma 4 mi w of Healdssburg (Jenson Ranch, at head of Dohrman Creek); Jensen Ranch Comment
  UC750800  Eriophyllum lanatum var. arachnoideum Charles B. Heiser Jr. 1946-4-13 1721 Sonoma 2 mi e Jenner Comment
  HSC8466  Erodium botrys D. Sutherland, A. Sylvester, R. Spellenberg 1343 Sonoma Road along Sulphur Creek, about 7 mi. W of the Big Geysers Comment
  SEINET12183468  Erodium botrys F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -171 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 450 Comment
  UCD103118  Erodium brachycarpum Frederica Bowcutt 1996-5-19 2123 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Lower Bald Mountain trail. 426 Comment
  UCD103274  Erodium moschatum Robert F. Thorne 1965-4-19 34264 Sonoma Cotati, Waters Ranch. 30 Comment
  SBBG27238  Eryngium aristulatum var. aristulatum A. Eastwood, J. T. Howell 1936-5-19 2510 Sonoma 2 mi N ofWindsor Comment
  POM132678  Eryngium armatum A. D. E. Elmer 1903-07 4776 Sonoma Petaluma. Comment
  UCD150837  Eryngium armatum Ayzik Solomescsh 2009-5-14 s.n. Sonoma 2.3 km. southeast of city of Sebastopol. Santa Rosa Plain, Cooper Site, pool 1. Elevation estimated from Google Earth by label maker. 22 Comment
  CDA15033  Eryngium oblanceolatum R. Gross 1998-10-28 s.n. Sonoma North Coast Biodiversity Arena; 1/2 mi. N of Hwy 37 on Hwy 121, W side. Comment
  UC70419  Erythronium californicum Milo S. Baker 1898-4-6 13 Sonoma Gualala River Comment
  HSC2186  Erythronium helenae Elmer I. Applegate 1934-3-25 8855 Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 610 Comment
  CAS-BOT-BC402866  Eschscholzia caespitosa Alice Eastwood 1900-4-21 s.n. Sonoma Mt. St. Helena Comment
  UC147065  Eschscholzia caespitosa H. P. Chandler 1907-4-21 7534 Sonoma road from Glen Ellen to Oakville Comment
  CAS-BOT-BC403694  Eschscholzia californica David D. Keck; J. Clausen 1935-6-15 3374 Sonoma 1 mi. N. of Salmon Creek Comment
  CAS-BOT-BC403702  Eschscholzia californica Alice Eastwood 1899-1-1 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC403704  Eschscholzia californica Walter Knight; Irja Knight 1963-8-13 161 Sonoma Horseshoe Cove Comment
  CAS-BOT-BC403708  Eschscholzia californica Joanne Taylor 1941-7-13 3 Sonoma Bodega Head 30 Comment
  CDA31281  Eschscholzia californica D. G. Kelch 2006-10-4 6 .497 Sonoma Entrance to Bouverie Reserve. 2 km N of Agua Caliente along Rte 12. Comment
  UCR45080  Eschscholzia californica L. F. LaPre 1986-7-29 s.n. Sonoma Socrates Mine, c. 9 mi ENE of Geyserville 976 Comment
  SD124796  Eschscholzia californica L. F. La Pre 1986-7-29 Sonoma Socrates Mine, ca. 9.0 miles eastnortheast of Geysserville. 914 Comment
  UCD19300  Eucalyptus globulus Terry Reedy 1974-5-11 233 Sonoma Bodega Head, gully south of drive to Field Station. 6 Comment
  CAS-BOT-BC202768  Euonymus occidentalis Volney Rattan 1877-6-14 s.n. Sonoma Guerneville Russian River Comment
  JEPS9602  Euonymus occidentalis var. occidentalis M. E. and E. Van E. Ferguson Jun 8 1919-Jun 10 1919 249 Sonoma between Guerneville and Monte Rio (Russian R.); Russian R. Comment
  RSA0002811  Euphorbia A. A. Heller 1902-7-2 5802 Sonoma Santa Rosa creek, east of Santa Rosa. Comment
  CDA34798  Euphorbia oblongata Peter Warner 2010-4-22 134 Sonoma State Hwy. 128, ~3.03 mi (fr. N) at turnout on E side of road at metal gate, about 2 NW of Cloverdale. Comment
  SEINET9325144  Euphorbia peplus John Nelson, Wnek, R. 2000-3-8 20951 Sonoma Near Safeway Grocery, S side of Main St/River Rd (=Hwy 116) in downtown Guerneville. AC Moore Herbarium (USCH) Univ of S. Carolina Comment
  SEINET12143865  Euphorbia supina K. Wagnon, Knight, W. 1987-1 6103 Sonoma Spring Lake Village east of Santa Rosa 15 Comment
  UC1299460  Eurybia radulina Freed W. Hoffman 1947-7-30 1409 Sonoma near Guerneville Comment
  CAS-BOT-BC312187  Eurybia radulina Walter Knight; Irja Knight 1963-9-1 385 Sonoma Harold Smith Ranch, Pine Int. Rd. NE of Cloverdale 548 Comment
  CAS-BOT-BC239721  Fabaceae Peter Rubtzoff 1970-8-25 6339 Sonoma Austin Creek beach 0.5 mile north of Cazadero Comment
  CAS-BOT-BC239723  Fabaceae Peter Rubtzoff 1973-8-29 7288 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente Comment
  CAS-BOT-BC262980  Fabaceae Peter Rubtzoff 1965-9-5 5642 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCR253367  Festuca arundinacea Peter Rubtzoff 1974-5-25 7455 Sonoma Upper Green Valley Marsh 76 Comment
  CAS-BOT-BC278394  Festuca elmeri Greg de Nevers 1987-6-1 8187 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 400 Comment
  UC1024771  Festuca occidentalis Leo Whitney 1935-4-14 2257 a Sonoma near Occidental Comment
  SEINET11690155  Festuca rubra W. Knight, Knight, I.; Howell, J. T. 1987-1 6276 Sonoma Todd Road Preserve 24 Comment
  UCD66491  Festuca subuliflora P. B. Kennedy 1915-5-31 s.n. Sonoma Road Stewart's Point to Annapolis. Comment
  CAS-BOT-BC354073  Filago Peter Rubtzoff; H. A. Froebe 1971-5-30 6466 Sonoma Eastern foothills of Sonoma Mtns. on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC354071  Filago Peter Rubtzoff 1965-8-29 5629 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CHSC1546  Fragaria chiloensis A. Small 1964-6-12 Sonoma Doran Park. Comment
  UCD158845  Frangula californica subsp. crassifolia James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2912 Sonoma The Geysers, west central part of Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  UC22601  Fraxinus latifolia H. N. Bolander 1864-1 3855 Sonoma Bank of Russian River Russian River Comment
  UC1299612  Fremontodendron californicum subsp. californicum Freed W. Hoffman 1947-4-13 779 Sonoma near Guerneville (North Coast Ranges, Gilliam Creek, a branch of East Austin Creek); North Coast Ranges, Gilliam Creek Comment
  JEPS55695  Fritillaria M. and A. Ackley 1967-4-26 Sonoma 2/3 way down from summit towards Oakville (Trinity Grade Road); Trinity Grade Road 304 Comment
  CHSC40038  Fritillaria recurva Michener; Bioletti 1893-4-1 Sonoma Hood Peak. Comment
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Jan 1 2012
  UCD121660  Galium aparine Jennifer Bury; Peggy Herzog 1993-5-8 267 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. About 100 ft. above parking lot. 402 Comment
  JEPS9662  Galium divaricatum Michener and Bioletti 1892-7-1 Sonoma Hoods Peak Comment
  UCD161310  Galium divaricatum James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3701 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-BC376310  Galium murale Greg de Nevers 1993-3-30 10338 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At archeology site. 400 Comment
  RSA47580  Galium muricatum L. Beane, Lois E. James 1948-5-11 2071 Sonoma Between Fort Rose and Jenner. Comment
  UCD55074  Galium porrigens Ellen Dean; Tammie Beyerl 2006-4-28 3018 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  UCD121890  Galium porrigens P. G. Connors 1992-5-8 247 Sonoma Near rock outcrop on hillside. Comment
  JEPS19406  Galium porrigens var. porrigens G. Thomas Robbins 1940-3-24 306 Sonoma about 6 mi e Santa Rosa (Calistoga Rd); Rincon Grade 167 Comment
  JEPS52745  Galium porrigens var. porrigens Lauramay T. Dempster and Jean Colton 1963-8-5 3873 Sonoma 2 mi w Cloverdale (on road to Booneville); Alder Glen Springs Comment
  UC201104  Galium tricornutum Katharine Brandegee Sonoma Santa Rosa Comment
  UC1192015  Galium trifidum Malcolm A. Nobs and S. Galen Smith 1949-8-1 1110 Sonoma bog 2 mi e Stewart's Point (on road to Geyserville) Comment
  RSA264732  Galium trifidum Peter Rubtzoff 1962-7-14 4987 Sonoma Laguna. Chileno Valley. Comment
  UCD165160  Gamochaeta ustulata Peter Rubtzoff 1974-5-25 7458 Sonoma Upper Green Valley Marsh. Comment
  RSA790993  Gamochaeta ustulata Peter Rubtzoff 1963-6-22 5186 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC199066  Garrya elliptica C. B. Wolf; E. R. Johnson 1934-10-13 6180 Sonoma 9 mi. N of Ft. Ross on Coast Rd. to Stewarts Pt. 45 Comment
  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
  SEINET12137327  Garrya fremontii W. Knight, Knight, I. 1981-1 3988 Sonoma 5.6 mi up Cavedale Rd at summit from jct of state route #12 Comment
  CAS-BOT-BC278684  Gastridium phleoides G. DeNevers 1981-5-26 1329 Sonoma Pepperwood Ranch. Garrison Canyon Comment
  CAS-BOT-BC278688  Gastridium phleoides Peter Rubtzoff 1963-6-18 s.n. Sonoma Bennett Mtn. Lake Comment
  UCR248753  Gastridium ventricosum Peter Rubtzoff 1970-9-2 6366 Sonoma Russian River bottom at Mirabel Park 5 Comment
  CDA2168  Gaudinia fragilis J. Valerius, Heather Lake 2002-6-25 s.n. Sonoma Northwest of intersection of Asti Road and South Cloverdale exit ramp from Hwy 101, Cloverdale. 0 Comment
  UCSB4792  Gaultheria shallon Haller, John 1960-5-29 Sonoma 3.6 miles southeast of Stewarts Point settlement (road to Healdsburg), 11.8 miles northwest of Fort Ross on California 1 Comment
  UCD159449  Gazania linearis D. S. Park; S. Nicole, M. Armijos, H. Sandhu 2010-8-3 206 Sonoma Bodega Bay. Near Hitchcock movie house. 53 Comment
  HSC14656  Genista monspessulana S. N. Wiemeyer 1962-4-20 18 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  RSA28626  Gentiana affinis Annetta Carter, E. K. Crum 1941-6-22 1638 Sonoma 3.3 miles E of Bay (Bodega Bay). Comment
  JEPS61474  Geranium carolinianum Milo S. Baker 1898-5-7 635 Sonoma Glen Ellen Comment
  UCD103320  Geranium dissectum Frederica Bowcutt 1994-5-21 1825 b Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood. Along Meadow trail about 3/4 mile from trailhead. East from trail about 100 yards. 396 Comment
  UC17156  Geranium pusillum Harley P. Chandler 1900-5-25 708 Sonoma Bodega Bay Comment
  SEINET12329963  Gilia capitata F. H. Utech 1986-1 86 -105 Sonoma ca 3 mi NE on Cavedale Road 250 Comment
  SEINET5501090  Gilia capitata Sally Walker 1981-5-25 Sonoma 4 miles W of Occidental Sonoma Co. Comment
  UCD117691  Gilia capitata subsp. capitata Frederica Bowcutt 1994-6-12 1864 Sonoma about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 1.5 air miles north of Kenwood, and 18 air mles NW of Napa. Adobe Canyon north of Sonoma Creek, north of Adobe Canyon Road, at Pony Gate trail juncture. 432 Comment
  UCD117742  Gilia capitata subsp. pacifica Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-21 050 Sonoma Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS117089  Gilia capitata subsp. pacifica Peter Warner 2010-5-20 157 Sonoma Jenner Headlands, upper Middle Pasture, ~160 m W of road (Willig Extension Dr.) at drainage, ~ 514 m W 305 deg. N of barn, ~ 15 m W of fence Comment
  JEPS97637  Gilia capitata subsp. tomentosa Annetta M. Carter 1947-5-30 1842 Sonoma 2 mi. E of Occidental. Comment
  RSA83146  Gilia capitata subsp. tomentosa Verne Grant, Alva Grant 1948-7-7 8596 Sonoma 2.6 miles east of Bodega on Sebastopol-Bodega Bay Road Comment
  RSA67105  Gilia tricolor Verne Grant, Alva Grant 1950-4-24 8873 Sonoma Between Santa Rosa and Calistoga Comment
  UC124891  Gilia tricolor subsp. tricolor Katharine Brandegee May 1890 Sonoma Mt. St. Helena Comment
  JEPS41067  Githopsis diffusa subsp. robusta Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9111 Sonoma between 1 and 1.25 mi due w Napa County line (along the Franz Valley School road) 219 Comment
  JEPS128197  Githopsis specularioides Roger Raiche 2000-5-4 075 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CDA2721  Gladiolus italicus William J. Ferlatte 1974-5-1 Sonoma Northwest corner of East Washington and Adobe Road, Petaluma. 0 Comment
  SEINET3146240  Glebionis segetum L. S. Rose 1938-9-11 38251 Sonoma Bloomfield 30 Comment
  CAS-BOT-BC227652  Glyceria Peter Rubtzoff 1964-6-24 5379 Sonoma Coleman Marsh. Comment
  SEINET10717791  Glyceria P. Rubtzoff 1968-8-24 Rubtzoff 5935 Sonoma Upper Salmon Creek Marsh. Comment
  UC1026485  Glyceria elata Peter Rubtzoff 1951-6-10 204 Sonoma near Forestville (Pitkin Marsh, s of the Upper Marsh); Pitkin Marsh Comment
  RSA786604  Glyceria leptostachya Peter Rubtzoff 1964-6-24 5384 Sonoma Coleman Marsh. 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
  RSA796404  Glyceria striata Peter Rubtzoff 1974-7-13 7673 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC303866  Gnaphalium Peter Rubtzoff 1987-10-17 9875 Sonoma Russian River ca 6 miles E of Guerneville Comment
  CAS-BOT-BC164700  Gnaphalium Peter Rubtzoff 1966-8-29 5815 Sonoma Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166785  Gnaphalium palustre Peter Rubtzoff 1959-8-30 s.n. Sonoma Drake's Beach near Guerneville. Comment
  CAS-BOT-BC302685  Gnaphalium palustre A. A. Heller 1902-6-10 5684 Sonoma Santa Rosa Comment
  UCD148328  Gnaphalium palustre Peter Rubtzoff 1954-7-3 1515 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC173579  Gnaphalium purpureum Peter Rubtzoff 1959-6-6 4095 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC305174  Grindelia hirsutula P. A. Munz 1936-8-7 14306 Sonoma 2 mi. north of Bodega Comment
  CAS-BOT-BC305178  Grindelia hirsutula John Thomas Howell 1930-6-8 5294 Sonoma 4 miles n. of Bodega Bay Comment
  CAS-BOT-BC305187  Grindelia hirsutula Peter Rubtzoff 1951-8-26 680 Sonoma South of Guerneville (Neeley Hill area) Comment
  CAS-BOT-BC305190  Grindelia hirsutula F. T. Bioletti 1891-1-1 s.n. Sonoma Glen Ellen Comment
  JEPS87229  Grindelia hirsutula Jack and Betty Guggolz 1992-8-29 1342 Sonoma two mi nnw Camp Meeker 195 Comment
  UC468761  Grindelia hirsutula Miss C. M. Hoak Aug 1912 Sonoma Monte Rio 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
  CAS-BOT-BC305172  Grindelia hirsutula Mary P. Wells 1983-8-4 183 Sonoma On old path to Gleason's Beach from parking lot south of Duncan's Point Comment
  UC535112  Grindelia hirsutula H. E. and S. T. Parks 1929-11-1 411 Sonoma Tubbs Island 0 Comment
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Oct 1 2009
  HSC94161  Hainardia cylindrica Gordon Leppig 2000-5-6 1345 Sonoma Austin Creek Trail. 177 Comment
  UC38766  Hainardia cylindrica Mr. Leckenby June 1896 Sonoma Petaluma Comment
  SEINET11689070  Hainardia cylindrica H. K. Wagnon 1989-1 1895 Sonoma Spring Lake Park & environs, adjacent to Montgomery Drive, trail at entrance to Annadel Park 67 Comment
  CDA34787  Hedera helix Peter Warner 2010-2-28 109 Sonoma Sweetwater Springs Rd., 4.7 mi. W of Westside Rd.; in redwood stand immediately along S road edge. Comment
  CDA34790  Hedera helix Peter Warner 2010-3-1 110 Sonoma State Hwy 1 at 6.77 mile marker, west of junction of Bay Hill Rd. between road and Cheney Gulch Creek. Comment
  UC565501  Hedypnois rhagadioloides H. L. Mason 1928-4-13 4333 Sonoma hills between Santa Rosa and Calistoga (Reili School) Comment
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Mar 30 2009
  RSA71062  Helenium bigelovii L. S. Rose 1951-6-7 51014 Sonoma Pitkin Marsh, 5 miles N of Sebastopol. Comment
  RSA94303  Helenium bigelovii Peter Rubtzoff 1951-6-9 155 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  RSA800282  Helenium puberulum Peter Rubtzoff 1957-8-18 3524 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  UCR280186  Helenium puberulum Peter Rubtzoff 1958-7-26 3796 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  UCD132745  Helenium puberulum P. G. Connors 1991-6-25 182 Sonoma Bodega Head State Park. Comment
  SEINET11842951  Helianthella californica F. H. Utech 1986-1 86 -113 Sonoma ca 5 mi NE on Cavedale Road from junction with CA 12 500 Comment
  CAS-BOT-BC305369  Helianthus annuus Walter Knight; Irja Knight 1963-10-11 344 Sonoma Cotati near Gravenstein Highway Jct Comment
  UC754291  Helianthus bolanderi R. Bacigalupi 1948-3-6 2853 Sonoma The Geysers, just above the resort. Comment
  UCD132957  Helminthotheca echioides J. D. Skoss 1948-7-25 43 Sonoma Shellville. Comment
  CAS-BOT-BC258395  Hemizonia Peter Rubtzoff 1974-5-18 7422 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC268125  Hemizonia Peter Rubtzoff 1973-9-9 7306 Sonoma Kenwood Marsh. Comment
  RSA800071  Hemizonia Peter Rubtzoff 1971-7-23 6619 Sonoma Laguna, Chileno Valley. Comment
  RSA81582  Hemizonia clevelandii James I. McMurphy 1909-8-9 709 Sonoma 1 mile S of Sonoma. Comment
  RSA94176  Hemizonia clevelandii F. W. Peirson 1925-8-8 6347 Sonoma About 1 mile N of Santa Rosa. Comment
  POM179723  Hemizonia congesta J. T. Howell 1930-6-8 5216 Sonoma 8 miles west of Petaluma on Bodega Road. Comment
  POM360350  Hemizonia congesta L. S. Rose 1935-9-11 35622 Sonoma 2 mi N of Healdsburg. 40 Comment
  SDSU4563  Hemizonia congesta D. F. Howe 1965-8-8 4101 Sonoma 8 miles east of Bodega Bay on #1. Comment
  UC727137  Hemizonia congesta subsp. clevelandii A. A. Heller 1941-9-22 16320 Sonoma three mi e northern base ofMount St. Helena (on State Hwy #29) Comment
  CAS-BOT-BC306219  Hemizonia congesta subsp. congesta James McMurphy 1908-9-27 s.n. Sonoma 2 mi. S. of Fulton Comment
  SD53396  Hemizonia congesta subsp. congesta Darley F. Howe 1962-7-29 3364 Sonoma 4.3 miles north of Jenner on Highway 1. Comment
  CAS-BOT-BC306237  Hemizonia congesta subsp. congesta James McMurphy 1908-9-27 s.n. Sonoma Mark West Creek, near Fulton Comment
  JEPS27977  Hemizonia congesta subsp. congesta Rimo Bacigalupi, and L. Heckard 1961-6-9 7732 Sonoma 1.7 mi e Tomales Road junction (in field along Petaluma-Valley Ford road) Comment
  UCD132985  Hemizonia congesta subsp. congesta Jack Guggolz; Betty Guggolz 1990-6-16 1063 Sonoma north side of Occidental Road and Facendini Lane. Comment
  CAS-BOT-BC309729  Hemizonia congesta subsp. lutescens Milo S. Baker 1932-6-9 5746 Sonoma 1 mi. E. of Occidental Comment
  HSC5814  Hemizonia congesta subsp. lutescens L. S. Rose 1964-8-26 64067 Sonoma 5 mi. NE of Penngrove 244 Comment
  SBBG8412  Hemizonia congesta subsp. lutescens H. and M. Dearing 1939-5-14 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  CAS-BOT-BC309681  Hemizonia congesta subsp. lutescens Peter H. Raven 1955-8-27 8754 Sonoma Petaluma Creek at bridge on Black Point Cutoff Comment
  CAS-BOT-BC309683  Hemizonia congesta subsp. lutescens Marian L. Campbell 1920-8-1 s.n. Sonoma Monte Rio Comment
  CAS-BOT-BC309706  Hemizonia congesta subsp. lutescens James I. McMurphy 1909-8-10 717 -D Sonoma About a mile W of Santa Rosa on road to Fulton Comment
  CAS-BOT-BC309730  Hemizonia congesta subsp. lutescens Milo S. Baker 1930-6-6 4158 a Sonoma Along Southern road from Sebastopol to Occidental Comment
  SBBG128853  Hemizonia congesta subsp. lutescens A. Howald 2011-8-30 2808 Sonoma eastern Petaluma Valley, Manor Lane, 0.5 mi N of intersection with Old Adobe Rd 75 Comment
  UC1518544  Hemizonia congesta subsp. lutescens Craig D. Thomsen 1976-6-27 247 Sonoma watershed of Estero de San Antonio Estero De San Antonio Comment
  UCD132988  Hemizonia congesta subsp. lutescens D. H. Hartmann; H. T. Hartmann 1941-8-24 s.n. Sonoma 3 miles west of Petaluma. Comment
  CAS-BOT-BC309950  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1910-6-8 s.n. Sonoma Valley across hills from Petaluma Comment
  SD243093  Hemizonia congesta subsp. luzulifolia Ann Howald 2011-8-28 2807 Sonoma North Coast Ranges: Sonoma Valley, Felder Creek drainage, west side of Macabee Road, 0.2 mile north of Felder Road, west of Arnold Drive (Sonoma 7.5'Q) 34 Comment
  UC990617  Hemizonia congesta subsp. luzulifolia James I. McMurphy 1909-8-8 705 Sonoma near Kenwood Comment
  CAS-BOT-BC309961  Hemizonia congesta subsp. luzulifolia F. G. Krauss 1893-10-16 s.n. Sonoma Petaluma Valley Comment
  CAS-BOT-BC309963  Hemizonia congesta subsp. luzulifolia J. McMurphy 1910-6-8 s.n. Sonoma Near Shellville Comment
  RSA0015419  Hemizonia congesta subsp. luzulifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  UCD132142  Hemizonia congesta subsp. luzulifolia Frederica Bowcutt 1995-11-7 2060 Sonoma Sugarloaf Ridge State Park. About 50 miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air mile S of Red Mountain. In Sonoma Creek watershed ust off of Bald Mountain. Road near western trailhead for Vista Trail. 548 Comment
  CDA20440  Hemizonia fitchii McArthur 2002-9-4 PDR P 092053 Sonoma Northern California; State park in the vicinity of Kenwood. 0 Comment
  RSA81567  Hemizonia lutescens James I. McMurphy 1909-8-9 714 -B Sonoma 4.5 miles S of Santa Rosa. Comment
  SEINET11845321  Hemizonia multicaulis subsp. vernalis C. F. Quibell 1976-1 1369 Sonoma Marshall-Petaluma Rd Comment
  CAS-BOT-BC310217  Hesperevax sparsiflora var. sparsiflora G. DeNevers 1981-5-5 944 A Sonoma Pepperwood Ranch. Hansel's cow pasture. On the trail across the driveway to the Pippindale Garden Comment
  JEPS29497  Hesperevax sparsiflora var. sparsiflora W. L. Jepson 1921-6-3 9306 Sonoma s Santa Rosa (near Wilfred Station, in a flat in the Cotati Valley, on the Northwestern Pacific Ry); Cotati Valley 28 Comment
  UC1212254  Hesperolinon micranthum Helen K. Sharsmith 1952-6-17 4124 Sonoma Trinity road nw Mount Veeder; Inner North Coast Ranges 457 Comment
  JEPS27962  Hesperolinon spergulinum Rimo Bacigalupi and L. R. Heckard 1961-6-9 7745 Sonoma along Stoetz Lane about 1/2 mi nw junction with Harrison Grade road (about 3/4 mi nw of Occidental School) 228 Comment
  UC1212403  Hesperolinon spergulinum Freed Hoffman 1947-5-30 552 Sonoma Layton Mine, headwaters Main Austin Creek Inner North Coast Ranges, Austin Creek Comment
  UCSB11578  Hesperolinon spergulinum Dearing, Hugh; Dearing, Margaret 1939-5-15 Sonoma Italian Swiss Colony Comment
  CAS-BOT-BC149836  Heteromeles arbutifolia A. A. Heller 1902-7-8 5815 Sonoma Between Healdsburg and Geyserville Comment
  CHSC107541  Heterotheca oregona D. G. Kelch; Troy McGregor 2010-8-22 10 .360 Sonoma Geyser Peak Rd along Sulfur Creek nr historic bridge. 268 Comment
  RSA0045175  Heterotheca oregona Greg de Nevers 1996-10-20 10890 Sonoma Pepperwood Ranch Natural Reserve. 3450 Franz Valley Road. 91 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-BC420944  Heuchera micrantha var. diversifolia G. DeNevers 1981-5-9 1083 Sonoma Pepper wood Ranch Comment
  UC570889  Heuchera micrantha var. erubescens H. L. Mason June 1930 5665 Sonoma mouth of Gualala River Comment
  UC858024  Heuchera micrantha var. erubescens Eliz. Parsons Hauver June 1915 Sonoma Skaggs Springs Comment
  SDSU9530  Heuchera pilosissima D. F. Howe 1966-6-2 4262 Sonoma 0.5 mile S of Bodega Bay. Comment
  UC666147  Heuchera pilosissima Annetta Carter, Ethel Crum 1941-6-22 1640 Sonoma ne-facing slope 3.3 mi e of Bodega Bay; North Coast Ranges 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
  CAS-BOT-BC424437  Heuchera pilosissima A. A. Heller 1938-5-14 15085 Sonoma Steep slope of a canyon near Bodega Bay Comment
  SEINET12221839  Heuchera pilosissima F. H. Utech 1988-5-21 88 -221 Sonoma Salt Point, along CA 1 between Tenner & Stewart's Point 75 Comment
  SEINET195012  Heuchera pilosissima A. A. Heller 1938-5-14 15085 Sonoma Near S end of Bodega Bay Comment
  UCD35325  Hieracium albiflorum Beecher Crampton 1955-6-8 2825 Sonoma 7 miles northwest of Calistoga. Comment
  JEPS108607  Hierochloe occidentalis B. Bartholomew et al. 1975-12-1 403 Sonoma West of Occidental on Willow Creek Road Comment
  RSA800062  Hoita macrostachya Peter Rubtzoff, Nancy Harrison 1974-8-31 7857 Sonoma Pressley Road, 0.25 mi south of junction with Sonoma Mountain Road (2.7 mi north of Lichau Road junction). Comment
  CDA27097  Hoita orbicularis D. G. Kelch 1991-5-16 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC376282  Holocarpha virgata Greg de Nevers 1995-9-30 10774 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  JEPS128300  Holodiscus discolor Roger Raiche 2010-6-16 020 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD151133  Holodiscus discolor James A. Neilson Jr. 1973-6-6 3115 Sonoma Mayacmas Mountains. The Geysers. Site III. [Elevation and coordinates estimated by label maker.] 731 Comment
  UCD113344  Holodiscus discolor Frederica Bowcutt 1996-5-23 2148 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 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon at toe of Sugarloaf Ridge just S of campground on rocky slope. 377 Comment
  CAS-BOT-BC152386  Holodiscus discolor var. discolor Mary P. Wells 1984-5-24 277 Sonoma Annadel State Park, Santa Rosa Comment
  JEPS83654  Holodiscus dumosus var. cedrorum R. Raiche 1987-5-20 70194 Sonoma N of Cazadero, The Cedars, Big Austin Creek. drainage, near site of Layton Mine processing bldgs. Comment
Read comments
Sep 6 2011
  JEPS6227  Holozonia filipes Milo S. Baker 1954-8-12 13034 Sonoma 2 mi nw Kenwood (Coney Ranch); Coney Lake 365 Comment
  RSA92835  Holozonia filipes Milo S. Baker 1954-8-12 13034 Sonoma Coney Lake; Kenwood, Coney Ranch. 366 Comment
  CAS-BOT-BC289289  Hordeum brachyantherum subsp. brachyantherum Peter Rubtzoff 1954-6-20 1505 Sonoma Guerneville Marsh Comment
  UC1103748  Hordeum brachyantherum subsp. brachyantherum Joseph P. Tracy 1932-5-8 9902 Sonoma Geyserville Northern Coast Ranges, Geyserville 152 Comment
  UCD81356  Hordeum brachyantherum subsp. brachyantherum Frederica Bowcutt 1994-6-12 1853 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood, and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek, N of Adobe Canyon Rd. Along Pony Gate Trail before entering oak woodland, out of view of kiosk and campground. Less than 1/4 mi. from trailhead. 420 Comment
  CAS-BOT-BC285189  Hordeum marinum subsp. gussoneanum A. A. Heller 1902-6-4 5636 Sonoma Santa Rosa Comment
  UCD86247  Hordeum murinum subsp. leporinum Gerry North 1993-4 2 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At Goodspeed trailhead pullout. On bank edge above Sonoma Creek. 213 Comment
  SEINET4670535  Hordeum murinum subsp. leporinum V. Longozo 1999-4-19 s.n. Sonoma Bodega Bay Highway 0 Comment
  CDA11293  Horkelia tenuiloba G. F. Hrusa 1994-6-14 11889 Sonoma North Coast Biodiversity Arena; W of Hogback Mtn. Point of main ridge separating headwaters of Nathanson Creek and Agua Caliente Creeks. Comment
  UC574867  Horkelia tenuiloba John Thomas Howell 1937-7-4 13083 Sonoma 5 mi n Sebastopol Comment
  CAS-BOT-BC55497  Hornungia procumbens John Thomas Howell 1934-3-25 11781 Sonoma Cuttings Wharf on Napa River. Comment
  UCD106010  Hosackia gracilis Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-24 67 A Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC401001  Hypericum anagalloides Peter Rubtzoff 1958-8-23 3903 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Road) Comment
  CAS-BOT-BC401003  Hypericum anagalloides Walter Knight; Irja Knight 1963-9-1 135 Sonoma Marsh near highest summit of Harold Smith Ranch on Pine Mt Rd NE of Cloverdale 731 Comment
  RSA94320  Hypericum androsaemum Peter Rubtzoff 1951-7-1 329 Sonoma Lower part of Upper Marsh Comment
  CAS-BOT-BC401292  Hypericum perforatum D. E. Breedlove 1980-6-28 44786 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC316686  Hypochaeris glabra Greg de Nevers 1987-4-25 8157 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  POM118406  Iris Marcus E. Jones 1924-4-25 s.n. Sonoma Cloverdale. Comment
  UC571179  Iris douglasiana H. L. Mason 1928-4-8 4282 Sonoma Fort Ross Comment
  HSC13851  Iris douglasiana H. E. Parks, S. T. Parks 1930-5-9 619 Sonoma Head of Alexander Valley Comment
  POM168822  Iris douglasiana A. A. Heller, H. E. Brown 1902-3-29 5182 Sonoma Bodega Bay Comment
  RSA135812  Iris fernaldii E. K. Balls 1957-5-27 22620 Sonoma Mt. St. Helena, 7.5 miles south of Lake-Sonoma County line 335 Comment
  RSA48720  Iris fernaldii Lee W. Lenz 1949-5-3 14426 Sonoma About 1 mile from Petrified Forest on road to Calistoga. 610 Comment
  CAS-BOT-BC133679  Iris longipetala Peter Rubtzoff 1965-5-16 5529 Sonoma 6 mi. northeast of Penngrove on Lichau Rd. 335 Comment
  UC725363  Iris purdyi A. A. Heller 1940-5-10 15611 Sonoma w of Skagg's Springs (on the road to Stewart Point) Comment
  RSA784488  Isoetes Peter Rubtzoff 1969-5-24 6058 Sonoma 6.5 miles SE of Penngrove, on Lichan Road. 427 Comment
  UCD150145  Isoetes howellii Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1. 43 Comment
  CAS-BOT-BC368087  Isoetes howellii Greg de Nevers 1998-3-20 11220 Sonoma Cresta Ranch, Mark West Creek Comment
  RSA227253  Isoetes howellii Peter Rubtzoff 1963-6-22 5188 Sonoma Bennett Mountain Lake. Comment
  CAS-BOT-BC61917  Isoetes nuttallii John Thomas Howell 1935-5-5 12603 Sonoma near Kenwood Comment
  CAS-BOT-BC112417  Isolepis carinata Peter Rubtzoff; Hans A. Froebe 1971-5-30 6485 Sonoma Dry bed of vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  RSA114299  Isolepis carinata J. T. Howell 1957-6-13 32620 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC112408  Isolepis carinata Peter Rubtzoff 1966-4-30 5696 Sonoma Todd Road 1.4 mi. from Hwy 116 and 0.6 mi. from Llamo Road. Comment
  CAS-BOT-BC112576  Isolepis cernua Peter Rubtzoff; Nancy Harrison 1978-6-11 9216 Sonoma Cunningham Marsh area. Open marshy ground on N side of Blucher Creek valley. Comment
  SD134077  Isolepis cernua Peter Rubtzoff 1954-8-3 1635 Sonoma Lower Salmon Creek Marsh, open, wet ground. (IPB 11/07) Comment
  SEINET4170787 Image available Isolepis cernua W. L. Jepson 1931-7-19 15945 Sonoma Just north of Salmon Creek Comment
  CAS-BOT-BC340229  Jaumea carnosa Milo S. Baker 1936-4-1 8214 Sonoma Near mouth of Salmon Cr. Comment
  CAS-BOT-BC340230  Jaumea carnosa W. M. Hiesey 1948-8-19 s.n. Sonoma 0.2 mi. north of Pigeon Point Lighthouse Comment
  UCD166263  Juglans Peter Rubtzoff 1970-8-31 6348 Sonoma 5.5 miles East of Guerneville, along Russian River at Forest Hills. Comment
  SEINET2064756 Image available Juglans californica Royal D. Suttkus 1967-6-25 67 -281 Sonoma Russian River, 1 mile E of Alexander Comment
  UCD110266  Juglans hindsii Frederica Bowcutt 1997-7-20 2202 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
  RSA94262  Juncus anthelatus Peter Rubtzoff 1951-7-14 472 Sonoma Pitkin Marsh near Forestville, Lower part of the upper marsh. Comment
  POM111209  Juncus bolanderi Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan's Mills. Comment
  CDA18031  Juncus bolanderi R. Gross 1999-7-8 s.n. Sonoma Mt. St. Helena Spring. NW side. 0 Comment
  POM312828  Juncus dubius H. L. Mason 1946-7-4 12890 Sonoma Pitkin Marsh, between Santa Rosa and Forestville Comment
  UCD160848  Juncus effusus subsp. pacificus James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3288 Sonoma Mayacmas Mountains, Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC157985  Juncus effusus subsp. pacificus Peter Rubtzoff 1964-8-26 5479 Sonoma Marsh 5 miles NE of Penngrove on Lichan Road 213 Comment
  SD262153  Juncus effusus var. pacificus Peter Rubtzoff 1959-6-20 4177 Sonoma Willow Creek Marsh (Duncan Hills 7.5'Q) 9 Comment
  CAS-BOT-BC245808  Juncus hemiendytus var. hemiendytus Alice Eastwood; John Thomas Howell 1940-5-5 7865 Sonoma Summit of Bennett Valley Road Comment
  UCR279616  Juncus hesperius Peter Rubtzoff 1959-6-20 4178 Sonoma Willow Creek Marsh 9 Comment
  UCD19308  Juncus lescurii Terry Reedy 1974-5-11 207 Sonoma Bodega Head, in freshwater marsh. 6 Comment
  UC1026488  Juncus occidentalis Peter Rubtzoff 1952-5-31 1097 Sonoma near Forestville (e branch of Upper Marsh); Pitkin Marsh, Upper Marsh Comment
  UC1146699  Juncus occidentalis Freed W. Hoffman 1941-5-18 2180 Sonoma Franz Valley North Coast Ranges Comment
  RSA368303  Juncus oxymeris Christopher Davidson 1977-6-17 5882 Sonoma State Highway 12 ca. 3 miles west of Guerneville, along Russian River 15 Comment
  SEINET3880603  Juncus oxymeris M. L. Conrad, Dunn; LeDoux 1973-6-9 7081 Sonoma 0.6 mile west of Sonoma-Napa County Line on Hwy. 121.; 0 61 Comment
  UCD141756  Juncus patens Frederica Bowcutt 1996-5-18 1848 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Adobe Canyon, N of Sonoma Creek about 35 yards, N of Adobe Canyon Road ca. 20 ft.. Trailhead for Pony Gate trail near kiosk and visitor center. 411 Comment
  UCD164186  Juncus phaeocephalus Peter Rubtzoff; Nancy Harrison 1978-6-11 9204 Sonoma Cunningham Marsh area, on north side of Blucher Creek Valley. Comment
  RSA94015  Juncus phaeocephalus var. phaeocephalus Peter Rubtzoff 1951-7-21 509 Sonoma Pitkin Marsh, near Forestville; Between the Upper and the Lower marshes. 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
  UCD142833  Juncus xiphioides Frederica Bowcutt 1994-7-5 1936 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 30 feet, 70 ft. S of campfire center along N edge of Sonoma Creek, N and E of campground just N of bridge to campfire center. 381 Comment
  CAS-BOT-BC235900  Keckiella corymbosa Rimo Bacigalupi 1947-8-17 2850 Sonoma On dirt road just above and east of Cazadero, (County road to Guernewood Park), in canyon of Austin Creek Comment
  CAS-BOT-BC235869  Keckiella corymbosa W. W. Carruth 1900-7-1 s.n. Sonoma Russian River near Cloverdale Comment
  CAS-BOT-BC273791  Koeleria pyramidata Peter Rubtzoff 1952-6-11 1250 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC340656  Lactuca serriola Walter Knight; Irja Knight 1963-10-6 493 Sonoma On Skillman Lane, Petaluma 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
  CAS-BOT-BC274319  Lagurus ovatus Mary P. Wells 1981-8-2 s.n. Sonoma Trail north of Crow's Nest and east of Spyglass Lane, The Sea Ranch Comment
  SFV18518  Lamarckia aurea G. Leppig 1998-5-6 1344 Sonoma Austin Creek State Recreation Area. Austin Creek Trail. 177 Comment
  CAS-BOT-BC486685  Lamiaceae Peter Rubtzoff 1957-6-28 3374 Sonoma Duncans Mills Marsh Comment
  JEPS10010  Lasthenia burkei W. L. Jepson 1921-6-2 9303 Sonoma nw of Windsor (just e of the Calhoun Ranch) Comment
Read comments
Nov 13 2007
  UCSC007221  Lasthenia burkei Randall Morgan 2003-1 Sonoma Comment
  RSA585979  Lasthenia californica Adree M. Desrochers 1990-4-23 480 Sonoma 12 miles S of Fort Ross State Historic Park; on W side of Hwy 1. Comment
  UC893742  Lasthenia californica subsp. bakeri Milo S. Baker 1932-4-1 5906 Sonoma 4.5 mi n Ft. Ross Comment
  UC90021  Lasthenia californica subsp. bakeri Katharine Brandegee 1905-6-27 Sonoma Bodega Bay Comment
  JEPS19389  Lasthenia californica subsp. californica G. Thomas Robbins 1938-4-15 225 Sonoma 2.5 mi e Bodega Bay Comment
  UC353938  Lasthenia californica subsp. macrantha Milo S. Baker 1928-4-14 2977 b Sonoma coast near bay Comment
  UCSB50244  Lasthenia chrysostoma John Gray 1976-5-1 8 Sonoma collected in the bluffs at Duncan's Landing, in the Sonoma Coast Beaches Duncan's Landing, and Sonoma Coast Beaches 15 Comment
  CAS-BOT-BC355519  Lasthenia glaberrima John Thomas Howell 1935-5-5 12604 Sonoma Near Kenwood 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
  CAS-BOT-BC355537  Lasthenia glaberrima Lois E. James; L. Beane 1949-5-16 1947 Sonoma About 3 mi. S. of Healdsburg. Comment
  CAS-BOT-BC352791  Lasthenia glabrata subsp. glabrata John Thomas Howell 1933-4-1 10925 Sonoma Petaluma Comment
  POM203664  Lasthenia glabrata subsp. glabrata J. T. Howell 1933-4-1 10925 Sonoma Petaluma Comment
  JEPS117131  Lasthenia gracilis Peter Warner 2010-5-20 154 Sonoma Jenner Headlands, ~100 m W 330 deg. N of residence cabin on Willig Extension Dr., on low rock outcrop in Tank Field Comment
  UCSC000795  Lasthenia macrantha subsp. bakeri A. A. Heller 1938-5-14 s.n. Sonoma Plentiful on a steep slope just east of Bodega Bay Bodega Bay Comment
  CAS-BOT-BC370895  Lasthenia minor Alice Eastwood 1915-6-29 4838 Sonoma Bodega Point Comment
  UC353930  Lasthenia minor Milo S. Baker 1928-4-14 2984 Sonoma 1.5 mi n of Bay Comment
  UCD166083  Lathyrus Peter Rubtzoff 1971-6-23 6551 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CDA34802  Lathyrus angulatus Peter Warner 2010-5-6 146 Sonoma Annadel State Park, E side of Lake Ilsanjo at picnic tables, near Richardson Trail. Comment
  UCD106205  Lathyrus cicera Botany 102 Students 1994-6-12 1843 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Adobe Canyon N of Sonoma Creek about 35 yards, N of Adobe Canyon Rd. Trail head for Pony Gate trail near kiosk and visitor center. 411 Comment
  CAS-BOT-BC344876  Lathyrus jepsonii Peter Rubtzoff 1958-7-19 3771 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  CDA11333  Lathyrus vestitus G. F. Hrusa 1995-4-2 12043 Sonoma North Coast Biodiversity Arena; Franz Valley Rd. approx 3 m. W of Knights Valley intersection with Hwy. 128. Comment
  UCD106547  Lathyrus vestitus var. ochropetalus Patti Togioka; Rimy Waraich, and Erik Beever 1993-5-8 233 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. 365 Comment
  UC1537075  Layia chrysanthemoides Gordon H. True Jr. 1938-4-13 862 Sonoma near Sonoma 60 Comment
  UCD166136  Layia chrysanthemoides Peter Rubtzoff 1969-5-11 6036 Sonoma Laguna de Santa Rosa, northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC323256  Layia chrysanthemoides Marian L. Campbell 1921-4-15 s.n. Sonoma Sonora Comment
  POM361720  Layia chrysanthemoides J. T. Howell 1931-4-1 6036 Sonoma 9 miles SW of Sonoma on road to San Rafael. Comment
  RSA785922  Layia chrysanthemoides Peter Rubtzoff 1966-5-29 5730 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  SEINET5181835  Layia chrysanthemoides Unknown 1935-5-24 1090 Sonoma 6.2 mi S of Jenner Comment
  RSA0001358  Layia chrysanthemoides subsp. maritima Jens Clausen 1935-5-24 1090 Sonoma 6.2 mi. S. of Jenner 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
  UC185672  Layia platyglossa Katharine Brandegee 1905-6-1 Sonoma Bodega Comment
  CAS-BOT-BC379576  Layia platyglossa John Thomas Howell 1976-6-15 18261 Sonoma Southern end of Sea Ranch, northwestern part of county, about 7 miles outh of Gualala 30 Comment
  CAS-BOT-BC329305  Layia septentrionalis H. E. Brown; A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood Comment
  UC770650  Ledum glandulosum R. H. Neuns 1948-8-30 26 Sonoma 2 1/2 mi se of Gualala 182 Comment
  SEINET10461287  Legenere limosa P. Rubtzoff 1969-5-24 Rubtzoff 6051 Sonoma Vernal pool 6.5 miles northeast of Penngrove, on Lichau Road 427 Comment
  CAS-BOT-BC210106  Lemna Peter Rubtzoff 1968-6-25 5910 Sonoma Lichan Marsh. Comment
  CAS-BOT-BC210096  Lemna gibba Peter Rubtzoff 1969-7-5 6106 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road Comment
  UCD166180  Lemna gibba Peter Rubtzoff 1969-7-13 6111 Sonoma Pond 5.25 mi. NE of Penngrove near Lichan Road. Comment
  SEINET8715371 Image available Lemna gibba Leo Koch 1940-1 1011 Sonoma On surface of pond in hills behind Fountaingrove Vineyard three miles north of Santa Rosa along Highway 101. Comment
  UCD148503  Lemna minor Peter Rubtzoff 1965-11-9 5669 Sonoma Willow Creek Marsh. Comment
  JEPS87236  Lemna minuscula Jack and Betty Guggolz 1992-4-22 1349 Sonoma cattle ranch se of Bloomfield Road 36 Comment
  UC1019908  Lemna minuscula Peter Rubtzoff 1951-6-17 287 Sonoma Pitkin Marsh near Forestville; Pitkin Marsh Comment
  RSA0025211  Lemna minuta Peter Rubtzoff 1955-7-31 2007 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC534919  Lemna turionifera Peter Rubtzoff 1951-8-19 652 Sonoma Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC339167  Leontodon saxatilis subsp. saxatilis Mary P. Wells 1983-8-3 170 Sonoma Timber Reserve of Oceanic of California, Inc., The Sea Ranch Comment
  UC1784119  Lepechinia calycina Ethel Crum 1930-7-13 815 Sonoma Mt. St. Helena, S shoulder 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
  UCR255881  Lepidium latifolium Greg de Nevers 1993-7-29 10478 Sonoma On dike of Petaluma River marsh at Hwy 37 1 Comment
  CAS-BOT-BC12659  Lepidium nitidum A. A. Heller; H. E. Brown 1902-3-14 5054 Sonoma Near Santa Rosa. Comment
  UC10632  Lepidium virginicum Alice King Sep 1897 Sonoma Healdsburg Comment
  RSA262194  Leptochloa fusca subsp. fascicularis Peter Rubtzoff 1970-7-17 6284 Sonoma 5 miles north of Sears Point. Comment
  POM215702  Leptosiphon androsaceus Jens Clausen 1933-3-25 733 Sonoma Santa Rosa Creek. 183 Comment
  CHSC23090  Leptosiphon parviflorus Robert A. Schlising 1962-3-31 2118 Sonoma Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  SBBG115929  Leptosiphon parviflorus J. Adams, J. Weick 1993-5-8 253 Sonoma ca. 11 air mi E of Santa Rosa;, ca. 2.5 air mi NE of Kenwood. In Adobe Cyn, N of Sugarloaf Ridge and 1 mi S of Red Mt; T7N R7W NE 1/4 of SW 1/4 S22 Comment
  SEINET4437333 Image available Lessingia bicolor A. A. Heller 1902-1 6049 Sonoma Santa Rosa Comment
  CAS-BOT-BC324188  Lessingia hololeuca W. Spence 1960-9-13 630 Sonoma 2 miles south of Monte Rio on road to Camp Meeker and Occidental Comment
  UC33158  Lessingia hololeuca Edw. L. Greene 1888-1-1 Sonoma Comment
  CAS-BOT-BC341996  Lessingia ramulosa A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  UC1299301  Lessingia ramulosa Freed W. Hoffman 1947-9-5 1385 Sonoma Dutch Bill Creek North Coast Ranges, Dutch Bill Creek Comment
  UC88007  Lessingia ramulosa W. E. Bryant July 1887 Sonoma Healdsburg Comment
  CAS-BOT-BC283531  Leymus X vancouverensis Peter Rubtzoff 1962-10-9 5119 Sonoma Near Highway 1 crossing of Salmon Creek near town of Salmon Creek Comment
  CAS-BOT-BC272126  Leymus triticoides David L. Morgan 1955-6-25 s.n. Sonoma 3 mi. W. of Petaluma Comment
  UC1146642  Leymus triticoides Freed W. Hoffman 1941-6-22 2084 Sonoma Wright's Beach North Coast Ranges, Sonoma Coast Comment
  RSA0045174  Ligusticum apiifolium Greg de Nevers 1998-7-15 11294 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek, just upstream of bridge at Mark West Lodge. 100 Comment
  CAS-BOT-BC451706  Lilaea scilloides Greg de Nevers 1997-5-30 11011 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  RSA73967  Lilaea scilloides Milo S. Baker 1952-4-20 12400 Sonoma Western outskirts of Sonoma, along 5th street. Comment
  CAS-BOT-BC130651  Lilium maritimum Catherine Best 1981-6-5 s.n. Sonoma Hwy. 1 near Lumber Cove Comment
  UC3723  Lilium pardalinum F. T. Bioletti 1892-1 Sonoma Point Arena Comment
Read comments
Oct 18 2008
  CAS-BOT-BC132997  Lilium rubescens Alice Eastwood; John Thomas Howell 1939-6-11 7434 Sonoma W.F. Booth Ranch, Knights Valley Comment
  UC727737  Limnanthes douglasii subsp. douglasii Milo S. Baker 1946-3-28 11303 Sonoma Sonoma; w outskirts Comment
  UCD116447  Limnanthes douglasii var. nivea Robert F. Thorne 1965-4-19 34274 a Sonoma wet field on Titus Ranch, Valley Ford. 18 Comment
  CAS-BOT-BC45946  Limnanthes vinculans Peter Rubtzoff 1958-5-11 4825 Sonoma Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  UCD71176  Limnanthes vinculans M. Plotkin 1995-5-29 MSP 04 Sonoma Todd Road, Southeast of Sebastopol, adjacent to CA Department of Fish and Game Todd Road Ecological Reserve. In culvert inside Todd road right of way. 24 Comment
  UCD166212  Limosella acaulis Peter Rubtzoff 1970-5-16 6220 Sonoma 5 miles north of Sears Point. Comment
  JEPS58111  Linanthus acicularis W. L. Jepson 1911-4-30 4182 Sonoma near Glen Ellen; Sonoma Valley Comment
  UC1301138  Linanthus androsaceus Helen K. Sharsmith 1963-5-25 5492 Sonoma near Bodega Bay; San Francisco Bay Region 30 Comment
  UC157927  Linanthus androsaceus Milo S. Baker 1898-4-27 624 Sonoma Peach Flat Comment
  UC1763994  Linanthus latisectus Douglas W. Schemske 1993-4-30 1 C Sonoma Pepperwood Ranch Natural Preserve Comment
  RSA476678  Lithocarpus densiflorus var. densiflorus Christopher Davidson 1977-6-17 5874 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  CAS-BOT-BC435675  Lithophragma heterophyllum Alice Eastwood 1918-5-1 6814 Sonoma Mt. St. Helena Comment
  UCD102721  Lithophragma heterophyllum Frederica Bowcutt 1994-5-1 1759 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; 2.5 air miles NE of Kenwood. Along Sonoma Creek just E of Bear Creek near bridge over Sonoma Creek. 198 Comment
  CAS-BOT-BC283533  Lolium Roxana S. Ferris; Laura Lorraine 1961-6-14 13547 Sonoma Junction of Occidental Road with Facendini Lane Comment
  SEINET11690153  Lolium multiflorum W. Knight, Knight, I.; Howell, J. T. 1987-1 6279 Sonoma Todd Road Preserve 24 Comment
  UCD66417  Lolium perenne Mary M. Hektner; Sue Dakuzaku 1974-6-3 18 A Sonoma Sea Ranch, near State Highway 1. Comment
  UCD66314  Lolium perenne David L. Morgan 1956-4-2 Sonoma 2 mi. W of Petaluma on the 'D' St. extension Rd. Comment
  JEPS81825  Lomatium californicum Edward Lee with W. A. Setchell 1936-6-8 2208 Sonoma Belvedere, Bohemian Grove Comment
  UCD55147  Lomatium californicum Ellen Dean; Tammie Beyerl 2006-4-28 3029 Sonoma Town of Kenwood. East of Hwy. 12. Kunde Vineyards. Hills to the east, near center of property. 254 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
  UCR255668  Lomatium caruifolium Greg de Nevers 1998-6-10 11275 Sonoma North Coast Range, Modini Mayacamas Preserves; Pine Flat Road, near end of town of Pine Flat 91 Comment
  RSA97148  Lomatium caruifolium F. W. Peirson, Mabel Peirson 1926-4-1 6548 Sonoma 6 miles south of Cloverdale Comment
  POM180784  Lomatium dasycarpum subsp. dasycarpum J. T. Howell 1930-7-13 5340 Sonoma Black Point Road Comment
  RSA177921  Lomatium dasycarpum subsp. dasycarpum R. F. Thorne 1965-4-20 34372 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  JEPS17101  Lomatium macrocarpum W. L. Jepson 1911-4-30 4184 Sonoma Sonoma Valley Comment
  CAS-BOT-BC217811  Lomatium repostum Alice Eastwood 1915-6-6 4659 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC217813  Lomatium repostum John Thomas Howell 1966-6-2 41551 Sonoma In hills E. of Aqua Caliente Comment
  UC1714578  Lomatium utriculatum J. Burtt Davy 1896-3-15 1668 Sonoma near Cazadero Comment
  CAS-BOT-BC240642  Lonicera hispidula Dorothy Scherer 1997-5-20 129 Sonoma Ca. 40' north of Fort Ross Rd. and .6 mi west of Seaview Rd, Fort Ross State Historic Park 365 Comment
  CAS-BOT-BC240644  Lonicera hispidula D. E. Breedlove 1980-6-27 44771 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC240648  Lonicera hispidula Mrs. E. C. Sutliffe 1920-8-1 s.n. Sonoma Annapolis Comment
  CAS-BOT-BC243997  Lonicera involucrata var. ledebourii G. DeNevers 1981-3-14 530 Sonoma Pippindale farm, 7 mi. NE of Santa Rosa, near Mark West lodge, Pepperwood Ranch Comment
  CAS-BOT-BC244011  Lonicera involucrata var. ledebourii Peter Rubtzoff 1953-5-16 1368 Sonoma Vacation Beach, near Guerneville, bank of Russian River Comment
  CAS-BOT-BC244013  Lonicera involucrata var. ledebourii Peter Rubtzoff 1957-6-28 3385 Sonoma Duncan Mills Marsh Comment
  UC28550  Lonicera involucrata var. ledebourii Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  OBI13230  Lotus angustissimus Robert F. Hoover 1964-9-8 9287 Sonoma KolmerGulch (near Fort Ross) Comment
  POM18969  Lotus formosissimus A. A. Heller, H. E. Brown, A. H. Heller 1902-4-18 7471 Sonoma Near Windsor. Comment
  RSA620426  Lotus formosissimus Peter Rubtzoff 1966-4-30 5688 Sonoma North side of Highway 116, 0.5 mile northwest of Stony Point Road crossing. Comment
  UC15582  Lotus formosissimus Harley P. Chandler 1900-5-25 674 Sonoma Bodega Comment
  SEINET6932526  Lotus heermannii Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Bodega Head, at middle of the peninsula. Comment
  UC496417  Lotus humistratus Merle Randall 1930-6-11 Sonoma Cazadero Comment
  POM27250  Lotus humistratus Marcus E. Jones 1882-7-17 s.n. Sonoma Duncan[s] Mills. Comment
  UC1784177  Lotus oblongifolius Milo S. Baker 1928-4-28 3008 b Sonoma Pitkin Marsh Comment
  RSA92945  Lotus oblongifolius var. nevadensis Elizabeth McLeod 1930-05 s.n. Sonoma Pilkin Swamps Comment
  UC907562  Lotus tenuis Freed Hoffman 1948-8-12 Sonoma headwaters of Warm Springs Creek Warm Springs Creek 533 Comment
  RSA568548  Lotus unifoliolatus E. A. Purer 1932-7-24 4071 Sonoma West of Santa Rosa. Comment
  UC15702  Lotus wrangelianus Harley P. Chandler 1900-5-25 719 Sonoma Bodega Bay Comment
  UC1745892  Lotus wrangelianus Annetta M. Carter, Edward Lee 1936-6-21 1199 Sonoma 2.2 mi. inland from Bodega Bay on road to Bodega. Comment
  UC58312  Lotus wrangelianus A. A. Heller 1903-4-25 6597 Sonoma Fort Ross Comment
  CAS-BOT-BC251206  Ludwigia palustris Peter Rubtzoff 1955-7-31 2008 Sonoma Forestville Marsh. Comment
  UCD164978  Ludwigia palustris Peter Rubtzoff; Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7800 Sonoma Kenwood Marsh. Comment
  RSA800589  Ludwigia palustris Peter Rubtzoff 1966-6-26 5763 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC157689  Ludwigia peploides Peter Rubtzoff 1961-8-24 4711 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  UCD148364  Ludwigia peploides Peter Rubtzoff 1955-8-21 2091 Sonoma Vacation Beach, near Guerneville along Russian River, below the dam. Comment
  CAS-BOT-BC164350  Ludwigia peploides Peter Rubtzoff 1964-6-20 s.n. Sonoma Laguna de Santa Rosa, southeast of Sebastopol (near Cooper Road) Comment
  SBBG60088  Ludwigia peploides L. Rowntree 1931-8-26 Sonoma near Sonoma Comment
  CAS-BOT-BC201226  Lupinus A. A. Heller 1937-5-1 s.n. Sonoma Base of the bluff north of the town of Bay, Bodega Bay Comment
  CAS-BOT-BC201295  Lupinus Charles Piper Smith 1946-4-26 46233 Sonoma Highway 1 at Coast Russian River Bridge Comment
  RSA788828  Lupinus Carrie A. Herd 1982-4-25 79 Sonoma Crane Creek Regional Park, Flattened area above Crane Creek Comment
  CAS-BOT-BC195981  Lupinus albifrons var. albifrons A. A. Heller; H. E. Brown 1902-3-27 5162 Sonoma Western base of Mt. Hood Comment
  CAS-BOT-BC195983  Lupinus albifrons var. albifrons Alice Eastwood; John Thomas Howell 1938-5-15 5514 Sonoma Near Mark West Springs Comment
  UC130308  Lupinus arboreus J. Burtt Davy 1896-3-13 1646 Sonoma Duncan's Mills Comment
  UC1197261  Lupinus bicolor Joseph P. Tracy 1933-5-1 12127 Sonoma Knight's Valley 152 Comment
  CDA27407  Lupinus bicolor G. D. Barbe, T. C. Fuller 1985-3-28 4197 Sonoma 6560 Sonoma Mountain Road, south of Santa Rosa. Comment
  SEINET10485230  Lupinus densiflorus var. crinitus A. Arthur Heller 1938-5-14 Heller 15091 Sonoma Grassy roadside banks near two rooks, w of petaluma, growing in dense colonies In clay soil. Fresh fls mostly deep violet. Humid transition life zone. Comment
  SEINET10903859  Lupinus formosus Melvin L. Conrad, David B. Dunn; Douglas G. LeDoux 1973-6-9 Conrad 7084 Sonoma On n-facing grassy clay bank, .6 mi w of sonoma-napa co line on hwy 121. 61 Comment
  SEINET10543866 Image available Lupinus formosus subsp. formosus A. Arthur Heller 1940-4-22 Heller 15546 Sonoma Anderson Valley in clay soil in a field in the oak belt of the Upper Sonoran Life Zone. Comment
  OBI39569  Lupinus latifolius F. H. Utech, Walter and Irja Knight, Irja Knight 1984-4-16 84 -084 Sonoma Ca. 4.0 mi NNW of Sonoma on Cavedale Rd from jctn with CA hwy 12; ca 0.5 mi N on Cavedale Rd from jctn 152 Comment
  UCR265092  Lupinus latifolius Ann Howald 2015-4-1 3335 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 17.0 miles west of intersection with Rockpile Rd, Wolf Creek drainage 260 Comment
  NY15940  Lupinus lutosus A. A. Heller 1940-4-22 15546 Sonoma Alexander Valley. Lower Sonoran Life Zone. 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
  UC726073  Lupinus microcarpus var. densiflorus A. A. Heller 1938-5-14 15092 Sonoma between Shellville and Petaluma; between Shellville and Petaluma Comment
  UC155230  Lupinus microcarpus var. densiflorus Katharine Brandegee 1907-6-30 Sonoma Cliffs near Bodega Bay; Cliffs near Bodega Bay Comment
  UC82239  Lupinus microcarpus var. microcarpus Alice Eastwood Sonoma Bodega Point; ; Bodega Point, Sonoma Co. Comment
  UCD108930  Lupinus nanus Botany 102 Students 1993-5-8 232 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Meadow Creek. 396 Comment
  UCD15528  Lupinus nanus Gregory J. Lowenberg 1988-5-9 20 Sonoma 1/4 mile of entrance to Bodega Marine Laboratory Road. 12 Comment
  POM10734  Lupinus nanus var. apricus A. A. Heller, H. E. Brown, A. H. Heller 1902-3-21 7188 Sonoma Hills southeast of Santa Rosa Comment
  RSA51315  Lupinus polycarpus Peter H. Raven 1950-4-6 1560 Sonoma Cotati to Santa Rosa. 30 Comment
  SEINET10838281  Lupinus polycarpus Joseph W. Congdon 1880-5-4 Congdon s.n. Sonoma Petaluma. Comment
  NY16021  Lupinus sonomensis A. A. Heller 1940-5-17 15638 Sonoma 2 miles east of Shellville along State Highway #37. Upper Sonoran Life Zone. Comment
  CAS-BOT-BC202172  Lupinus tidestromii Catherine Best 1980-9-18 s.n. Sonoma On the south side of the mouth of the Russian River Comment
  RSA22011  Lupinus variicolor Alice Eastwood, John T. Howell 1939-4-2 7362 A Sonoma Larkspur Rock Comment
  UCSB17482  Lupinus variicolor Dearing, Hugh; Dearing, Margaret 1939-5-14 Sonoma From coast on Russian River Comment
  CAS-BOT-BC210025  Luzula Peter Rubtzoff 1958-5-17 3680 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road) Comment
  RSA177992  Luzula comosa Robert F. Thorne 1965-4-19 34298 Sonoma W. of Stoetz Road off of Harrison Grade, ca. 2 miles NNE of Occidental. 183 Comment
  RSA121011  Luzula comosa Alice Eastwood 1922-5-4 11250 Sonoma Calistoga. 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
  UC19771  Lythrum hyssopifolia Willis L. Jepson Aug. 1892 Sonoma Knights Valley Comment
  UCD151200  Lythrum hyssopifolia James A. Neilson Jr. 1974-7-10 2815 Sonoma Mayacmas Mountains, 1/4 mile south of Geyser Rock, west of Whispering Pines, northeast Sonoma County. (Elevation estimated using Google Earth by label maker.) 1082 Comment
  RSA94298  Lythrum hyssopifolia Peter Rubtzoff 1951-8-18 621 Sonoma Uppermost part of the western branch of the upper. Comment
  CAS-BOT-BC227611  Madia Peter Rubtzoff 1971-6-30 6582 Sonoma Eastern foothills of Sonoma Mtns., on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  CAS-BOT-BC368100  Madia anomala Greg de Nevers 1998-5-12 11247 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC344035  Madia elegans James I. McMurphy 1909-7-10 502 Sonoma (Hills near) Cloverdale Comment
  CAS-BOT-BC344046  Madia elegans H. D. Geis 1902-8-1 581 Sonoma Sonoma County Fields. Cloverdale Comment
  JEPS128198  Madia exigua Roger Raiche 2000-5-4 074 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SD254541  Madia exigua Ann Howald, Christina Freeman 2015-1-1 3414 Sonoma Inner North Coast Ranges: Annadel State Park, Lawndale wetlands, northeast of intersection of Lawndale and Marsh trails (Kenwood 7.5'Q) 370 Comment
  CAS-BOT-BC343456  Madia gracilis John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54684 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  SD56776  Madia gracilis Darley F. Howe 1963-5-23 Sonoma 2.8 miles north of Cloverdale on #128 245 Comment
  POM231101  Madia nutans Jens Clausen 1935-5-23 1073 Sonoma 0.32 miles N of entance to Peftified Forest. Comment
  CAS-BOT-BC345219  Madia sativa David D. Keck 1933-5-28 2321 Sonoma 3.4 miles east of Shellville (just east of intersection of Sonoma road) Comment
  LA209925  Madia sativa O. H. Kappler; 1930-6-8 5264 Sonoma 1 mi. east of Bodega Bay Comment
  UC485307  Madia sativa Katharine Brandegee Sonoma Bodega Comment
  UC990654  Madia sativa James I. McMurphy 1909-8-8 702 Sonoma electric railroad station between Santa Rosa and Sebastopol; Leddy Comment
  UCD134339  Madia sativa Ann F. Johnson 1979-6-19 s.n. Sonoma Bodega Dunes State Park. Comment
  SD88309  Maianthemum racemosum subsp. amplexicaule Darley F. Howe 1972-5-2 Sonoma Trail above Duncan Mills Road. Comment
  SEINET12052825  Maianthemum stellatum F. H. Utech, Kawano, S.; Ohara, M. 1995-1 95 -51 Sonoma 11.5 mi WNW of Lake Sonoma on Skaggs Springs Road along Skaggs Springs Creek Comment
  CAS-BOT-BC511488  Maianthemum stellatum F. G. Krauss 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  POM169294  Maianthemum stellatum A. A. Heller, H. E. Brown 1902-4-15 5297 Sonoma Santa Rosa Creek Comment
  CAS-BOT-BC540135  Malus domestica Peter Rubtzoff 1952-5-31 1102 Sonoma Area separating the western branch of the Upper Marsh from the eastern; Pitkin Marsh, near Forestville Comment
  HSC7018  Marah fabacea F. Demostene 1966-4-1 3 Sonoma 2 mi. E of Healdsburg Comment
  CAS-BOT-BC348216  Matricaria discoidea Peter Rubtzoff 1966-5-26 s.n. Sonoma Laguna de Santa Rosa east of Sebastopol 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-BC268063  Medicago Peter Rubtzoff 1973-8-21 7246 Sonoma Sonoma Creek bottom, near Agua Caliente Road crossing, west of Agua Caliente. Comment
  UCD166339  Medicago Peter Rubtzoff 1968-8-31 5945 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  SEINET12164402  Medicago polymorpha F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -172 Sonoma 0.6 mi from junction of Harrison Grade Road on Stoetz Lane 146 Comment
  CAS-BOT-BC269509  Melica californica David L. Morgan 1956-4-27 s.n. Sonoma 3 mi. W. of Petaluma on I St. Ext. Comment
  UCR225456  Melica californica Frederica Bowcutt 1996-5-24 2155 Sonoma Sugarloaf Ridge State Park, c. 50 air mi north of San Francisco and c. 10 air mi east of Santa Rosa; 2.5 air mi northeast of Kenwood and 18 air mi northwest of Napa. Adobe Canyon just north of Sonoma/Rattlesnake Creek confluence on small knoll 372 Comment
  UCD87211  Melica californica R. Tofsrud 1941-4-1 293 Sonoma Pasture hills above Russian Gultch. Comment
  SEINET11678851  Melica frutescens Unknown 1936-1 13117 Sonoma near Hopland Comment
  UCD87356  Melica geyeri R. Tofsrud 1948-5-1 s.n. Sonoma Woods between Kellogg and Alexander Valley. Comment
  CAS-BOT-BC281390  Melica harfordii John Thomas Howell; Catherine Best; Gordon H. True 1982-5-6 54694 Sonoma Bouverie Audubon Preserve, about 1.5 miles E of Glen Ellen near Stuart Creek 137 Comment
  UCD32526  Melica harfordii Beecher Crampton 1954-5-9 1837 Sonoma Sonoma County, 2.5 miles north of Guerneville, on roadside banks. Comment
  UC766884  Melica subulata R. F. Hoover 1941-5-14 5095 Sonoma sw of Occidental (Joy District School) Comment
  UCD151086  Melica subulata James A. Neilson Jr. 1973-6-3 2983 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-BC262567  Melica torreyana A. A. Heller 1902-4-4 5316 Sonoma Hills near Santa Rosa Comment
  UC771211  Melica torreyana W. S. Boyle 1942-4-26 1076 Sonoma between Petrified Forest and Mark West (at junction of side road to Santa Rosa) Comment
  UCD160754  Melica torreyana James A. Neilson Jr. 1975-5-23 3215 Sonoma Truit Creek on Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  UCD88858  Melica torreyana Beecher Crampton 1959-6-16 5383 Sonoma 1 mile E of Occidental. Comment
  UCD89219  Melica torreyana H. S. Yates 1936-5-16 5616 Sonoma California Forest and Range Experiment Station. 3 miles N.W. of Camp Meeker. 60 Comment
  UCD108072  Melilotus indicus Mary M. Hektner 1975-8-14 226 Sonoma Close to State Highway 1; Unit 24 Owners' Map, Sea Ranch. Comment
  UCD166100  Melilotus indicus Peter Rubtzoff 1971-8-20 6640 Sonoma 5 miles north of Sears Point. Comment
  UC25359  Melissa officinalis J. Burtt Davy 1896-7-29 4146 Sonoma near Guerneville Comment
  POM225314  Melissa officinalis J. T. Howell 1932-9-18 10771 Sonoma Bed of slough draining Kenwood Marsh. Comment
  CAS-BOT-BC166970  Mentha Peter Rubtzoff 1962-10-9 s.n. Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC376288  Mentha Greg de Nevers 1992-6-26 10197 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  UCD148382  Mentha Peter Rubtzoff 1955-8-28 2113 Sonoma Guerneville region. Vacation Beach, near Guerneville; Russian River. Comment
  CAS-BOT-BC173615  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi. east of Healdsburg. Russian River Comment
  CHSC112548  Mentha Peter Pubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi east of Healdsburg. Russian River. Comment
  RSA785217  Mentha Peter Rubtzoff 1958-9-27 4011 Sonoma Laguna de Santa Rosa, northeast of Graton (1.5 mi. N of Guerneville Road). Comment
  POM63046  Mentha arvensis var. villosa A. A. Heller 1902-6-27 5787 Sonoma West of Windsor near Russian river. Comment
  UCR279622  Mentha canadensis Peter Rubtzoff 1959-8-2 4210 Sonoma Willow Creek Marsh 9 Comment
  UCD125048  Mentha canadensis P. B. Kennedy 1927-8-20 s.n. Sonoma Knight's Valley. Comment
  RSA785664  Mentha pulegium Peter Rubtzoff 1955-9-24 2157 Sonoma Guerneville Marsh. Comment
  RSA785142  Mentha spicata Peter Rubtzoff 1955-8-28 2114 Sonoma Guerneville region: Russian River. Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC164666  Mentha spicata Peter Rubtzoff 1955-10-12 2166 Sonoma Duncans Mills Marsh. Comment
  RSA784546  Mentha spicata Peter Rubtzoff 1955-8-28 2112 Sonoma Forestville Marsh. Comment
  CHSC57512  Micranthes californica Shelly A. Kirn 1991-3-28 6 Sonoma Ca. 50 yds e of Hwy 101, 0.5 mi n of Cloverdale. 97 Comment
  RSA784491  Microseris Peter Rubtzoff 1974-5-26 7470 Sonoma On Bennett Valley Road, 4.25 mi W of Glen Ellen. Comment
  UCD166074  Microseris Peter Rubtzoff; H. A. Froebe 1971-5-30 6499 Sonoma Border of dry vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC322650  Microseris laciniata F. T. Bioletti 1893-6-10 s.n. Sonoma Los Guilucos Valley Comment
  CAS-BOT-BC322748  Microseris paludosa Ella Dales Cantelow 1941-4-18 3508 Sonoma 2 miles north of Windsor Comment
  CAS-BOT-BC311867  Mimulus Peter Rubtzoff 1958-6-1 3698 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC320503  Mimulus Peter Rubtzoff 1955-7-9 1929 Sonoma Forestville Marsh. Comment
  RSA0025394  Mimulus Peter Rubtzoff 1962-5-30 4849 Sonoma Freestone Marsh. Comment
  SEINET10614150  Mimulus aurantiacus Jon Ricketson, Deanna Vanderbur 1985-7-3 Ricketson 2618 Sonoma Fort Ross State Park, along State Highwa 1, between Fort Ross and Jenner above Pacific Ocean. 50 miles northwest of San Francisco. 30 Comment
  HSC42330  Mimulus aurantiacus var. aurantiacus S. Saufferer 1973-5-24 215 Sonoma Bodega Bay Comment
  UC1012384  Mimulus aurantiacus var. aurantiacus Francis W. Pennell Jul 2 1940-Jul 3 1940 26033 Sonoma mountain ne Kenwood Springs 243 Comment
  UC27048  Mimulus congdonii F. T. Bioletti 1894-1 Sonoma near Hood's Peak Comment
  JEPS10500  Mimulus grandis Docia Patchett 1918-5-26 Sonoma Black Point Comment
  RSA178001  Mimulus guttatus Robert F. Thorne 1965-4-19 34286 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  UCR248742  Mimulus guttatus Peter Rubtzoff 1974-5-18 7407 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  UCR248872  Mimulus guttatus Peter Rubtzoff 1954-9-4 1729 Sonoma Bodega Head Marsh 2 Comment
  POM5021  Mimulus guttatus C. F. Baker 1899-05 s.n. Sonoma Stewarts Canon, near Falls. Comment
  SEINET12334049  Mimulus guttatus Unknown 1977-1 17 Sonoma no further locality 122 Comment
  JEPS41072  Mimulus layneae Rimo Bacigalupi, and L. R. Heckard, J. R. Sweeney 1965-5-16 9109 Sonoma between 1 and 1 1/4 mi w Napa County line (along the Franz Valley School road, 1/4 mi w of the school) 219 Comment
  UCD160963  Mimulus layneae James A. Neilson Jr. 1975-7-8 3376 Sonoma Mayacmas Ridge. Near U.S. Geothermal 2, 1/2 mile south of Socrates Mine Road. (Elevation and coordinates estimated by label maker.) 914 Comment
  UC768827  Mimulus microphyllus R. F. Hoover 1939-4-18 4036 Sonoma Occidental Comment
  UCD40972  Mimulus nanus var. mephiticus Collector Unknown 1978-1 s.n. Sonoma 19 miles east of Fallon. (Fallon is in Marin County, but 19 mi E is Sonoma County). 30 Comment
Read comments
Mar 13 2006
  NY90752  Mimulus nasutus H. T. Edwards 04 1877 s.n. Sonoma Knights Valley Comment
  UC1063065  Mimulus tricolor E. Armstrong 1934-4-15 1210 Sonoma near Occidental; Sebastapol Quadrangle Comment
  JEPS42871  Mollugo verticillata Alice King Oct. 1896 Sonoma Russian River, Healdsburg Russian River; , Healdsburg Comment
  UC7699  Mollugo verticillata Miss Alice King 1897-1 Sonoma Healdsburg Comment
  UCD167560  Monardella James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. On Squaw Creek. 1/4 mile from Black Hawk Ranch. (Exact location unkown. Coordinates estimated by label maker. Black Hawk Ranch location not found. Location georeferenced at the end of Ottobani Ridge between Big Sulphur Creek and Squaw Creek because neilson collected in that area on 18 June 1976.) Comment
  JEPS62415  Monardella purpurea R. F. Hoover 1938-6-14 3609 Sonoma 3 mi west Graton on road to Occidental Comment
  UCD125197  Monardella purpurea Walter Knight; Irja Knight, Roger Raiche, Steve Edwards Date Unknown 4756 Sonoma The Cedars; near Cazadero on Twitchell Ranch. Comment
  CAS-BOT-BC314210  Monardella villosa subsp. villosa John H. Thomas 1969-9-21 15470 Sonoma Coastal bluffs to the S of the mouth of the Russian River. 121 Comment
  SEINET3822997 Image available Monardella villosa subsp. villosa C. L. Hitchcock, J. S. Martin 1939-7-15 5446 Sonoma Cliffs below Bodega State Park Comment
  UC292737  Monardella villosa subsp. villosa Geo. W. Dunn June, 1890 Sonoma Comment
  JEPS23179  Myosotis discolor Reino Alava 1955-5-24 2044 Sonoma Pitkin Marsh n.w. of Sebastopol; Pitkin Marsh Comment
  CAS-BOT-BC257704  Myosurus Peter Rubtzoff 1966-4-17 5672 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  RSA94652  Myrica californica Peter Rubtzoff 1952-3-23 876 Sonoma Pitkin Marsh, near Forestville. Eastern branch of the upper marsh. Comment
  SEINET12029316  Myrica californica W. Knight, Knight, I. 1982-1 4612 Sonoma Along roadside at Sea Ranch Comment
  UCR244631  Myriophyllum aquaticum Peter Rubtzoff 1961-10-18 4770 Sonoma Cunningham Marsh [near 1460 Big Cedar Lane, Sebastapol, CA] 38 Comment
  UCD165115  Myriophyllum aquaticum Peter Rubtzoff 1973-10-10 7334 Sonoma Laguna de Santa Rosa ca. 1 mile east-southeast of Sebastopol. Comment
  RSA800084  Myriophyllum brasiliense Peter Rubtzoff 1961-10-18 4770 Sonoma Cunningham Marsh. Comment
  CAS-BOT-BC251162  Myriophyllum hippuroides Peter Rubtzoff 1966-8-26 5813 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC251168  Myriophyllum hippuroides Peter Rubtzoff 1963-9-1 5247 Sonoma Bennett Mountain Lake. Comment
  UCD87895  Nassella cernua Gerry North 1993-4 51 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. On Vista trail 1/2 mile NE of fork with Bald Mountain trail. Sugarloaf Ridge State Park. 556 Comment
  CAS-BOT-BC260070  Nassella lepida Peter Rubtzoff 1952-6-3 1149 Sonoma S slopes of Fitch Mountain, near Healdsburg Comment
  CAS-BOT-BC260278  Nassella pulchra F. Almeda; G. DeNevers 1981-4-28 4919 Sonoma Pepperwood Ranch. Vicinity of the Bechtel cabin Comment
  CAS-BOT-BC260287  Nassella pulchra A. A. Heller 1902-4-23 5350 Sonoma Near Sonoma Comment
  UCD38537  Nassella pulchra Beecher Crampton 1956-4-24 3310 Sonoma 2.5 miles north of Healdsburg, along U.S. Hwy 101. Comment
  CDA32559  Nassella pulchra T. C. Fuller 1960-6-14 4486 Sonoma James Black property, ca. 6 miles east of Cloverdale. 0 Comment
  UCD87690  Nassella pulchra M. Wiesendanger 1927-5-5 714 Sonoma Sonoma. Comment
  UCD161268  Nasturtium officinale James A Neilson Jr.; Teresa A. Sholars 1976-5-10 3684 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of Big Sulphur Creek and the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  RSA94328  Nasturtium officinale Peter Rubtzoff 1951-6-9 158 Sonoma Pitkin Marsh, near Forestville. Northern half of Lower Marsh. Comment
  UC455650  Navarretia X helleri I. J. Condit 1908-8-13 Sonoma Guerneville Comment
  CAS-BOT-BC230267  Navarretia cotulifolia A. A. Heller 1902-6-4 5638 Sonoma San Miguel Island. Head east fork of Canyon Del Mar 0.3 miles west of the old ranch house. 152 Comment
  UC1008714  Navarretia heterodoxa Beecher Crampton 1950-6-27 597 Sonoma 6 mi ne Glen Ellen (on Trinity Road) Comment
  UC1719856  Navarretia intertexta David Fruchter 1978-9-17 93 Sonoma Glen Ellen Comment
  CAS-BOT-BC230372  Navarretia leucocephala subsp. bakeri Joseph Andorfer Ewan 1935-5-13 9249 Sonoma Along RR tracks, Wright School on Sebastopol road Comment
  CAS-BOT-BC230374  Navarretia leucocephala subsp. bakeri Alice Eastwood; John Thomas Howell 1938-7-6 6083 Sonoma 2 miles N of Windsor Comment
  CAS-BOT-BC230378  Navarretia leucocephala subsp. bakeri Herbert L. Mason 1934-4-28 8094 Sonoma Highway between Healdsburg and Santa Rosa Comment
  UCD38724  Navarretia squarrosa Beecher Crampton 1957-7-11 4313 Sonoma State Hwy. 1, 1 1/4 miles southeast Bodega Bay. Comment
  RSA98661  Navarretia squarrosa G. Thomas Robbins 1939-7-4 272 Sonoma Near Graton Comment
  UCD37162  Navarretia squarrosa Beecher Crampton 1957-7-22 4393 Sonoma Sonoma County, Sonoma Coast State Park, 11.7 miles south of Stewart's Point, along State Highway 1. Comment
  UCD39803  Navarretia tagetina Collector Unknown 1947-5-16 Sonoma 4.5 miles E. of Windsor. Comment
  UC1042316  Navarretia viscidula John Thomas Howell 1947-6-26 23318 Sonoma Cunningham Marsh Comment
  CDA11326  Nemophila heterophylla G. F. Hrusa 1995-4-2 12036 Sonoma North Coast Biodiversity Arena; Foote Ranch at NE corner of Hwy. 128 and Ida Clayton Rd. Knights Valley. Comment
  UC24177  Nemophila heterophylla H. N. Bolander April 1864 3811 Sonoma Santa Rosa Creek Comment
  UC1057474  Nemophila menziesii G. Thomas Robbins 1940-3-21 289 Sonoma 2-3 mi se Windsor (Pleasant Avenue Road and Chalk Hill Road); se of Windsor 91 Comment
  UC24235  Nemophila menziesii J. Burtt Davy 1896-3-15 1673 Sonoma near Fort Ross; near Fort Ross Comment
  UCD160137  Nemophila menziesii James A. Neilson Jr. 1974-3-27 3009 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  UCD170754  Nemophila menziesii var. atomaria C. Benefield 1997-5-12 31 Sonoma Bodega Bay, in front of University of California Marina Laboratory. 24 Comment
  UC67151  Nemophila menziesii var. atomaria Milo S. Baker 1899-3 Sonoma near Kenwood (Dr. Turk Canyon); Dr Turk Canyon, near Kenwood Comment
  UCD120238  Nemophila menziesii var. atomaria J. Adams; J. Weick 1993-5-8 254 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
  POM126455  Nemophila menziesii var. menziesii H. P. Chandler 1907-4-28 7551 Sonoma Santa Rosa to Calistoga. Comment
  POM65318  Nemophila menziesii var. menziesii Milo S. Baker 1898-4-8 s.n. Sonoma Healdsburg. Comment
  POM65263  Nemophila parviflora var. parviflora A. A. Heller 1903-4-23 6611 Sonoma Fort Ross. Comment
  CAS-BOT-BC231512  Nicotiana Peter Rubtzoff 1986-9-28 9754 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  UCR279605  Nicotiana acuminata Peter Rubtzoff 1961-6-7 4618 Sonoma Laguna de Santa Rosa, c. 1 mile SE of Trenton 30 Comment
  HSC100869  Nicotiana acuminata var. multiflora Peter Warner 2011-11-2 236 Sonoma Annadel State Park, lower Canyon-Spring Creek Trails access from Vietnam Veterans Trail at Park Trail Drive, Santa Rosa. 0 Comment
  SD109448  Notholithocarpus densiflorus Jack Reveal 7/1981 2746 Sonoma near Annapolis 305 Comment
  SD99414  Notholithocarpus densiflorus var. densiflorus Christopher Davidson 1977-6-17 5874 Sonoma 3 miles west of Guerneville, on state highway 12 14 Comment
  CAS-BOT-BC400129  Nuphar polysepala James McMurphy 1908-9-27 s.n. Sonoma Sebastopol Comment
  POM89246  Oemleria cerasiformis Marcus E. Jones 1982-7-18 3578 Sonoma Duncan Mill Comment
Read comments
Mar 22 2010
  CAS-BOT-BC376284  Olea europaea Greg de Nevers 1995-5-9 10723 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In quarry by Ward House 487 Comment
  CAS-BOT-BC502909  Orobanche fasciculata Greg de Nevers 1995-5-2 10718 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd. 487 Comment
  CAS-BOT-BC500193  Orobanche fasciculata G. DeNevers 1981-7-31 1771 Sonoma Bodega Head, at Duncan's Landing Comment
  JEPS75583  Orobanche fasciculata Nancy Harrison 1976-5-17 Sonoma Trail back of theatre, Armstrong Woods Park. Comment
  CAS-BOT-BC502938  Orobanche uniflora Greg de Nevers 1997-5-3 10987 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Rd 457 Comment
  POM15641  Orthocarpus densiflorus A. A. Heller, H. E. Brown 1902-4-9 5236 Sonoma Three Miles South of Healdsburg. Comment
  POM183040  Orthocarpus erianthus A. A. Heller, H. E. Brown 1902-4-4 5219 Sonoma Hills near Santa Rosa. Comment
  SDSU10841  Orthocarpus erianthus var. roseus D. F. Howe 1969-5-29 4583 Sonoma Sea Ranch. Comment
  POM15635  Orthocarpus faucibarbatus A. A. Heller 1903-4-23 6607 Sonoma Fort Ross. Comment
  RSA34074  Orthocarpus faucibarbatus A. A. Heller 1940-4-22 15555 Sonoma At Windsor. Comment
  POM180617  Orthocarpus faucibarbatus var. albidus J. T. Howell 1930-6-8 5278 Sonoma Hillside overlooking the ocean, 8 miles N of Bodega Bay Comment
  RSA32863  Orthocarpus faucibarbatus var. albidus A. A. Heller 1937-5-1 16176 Sonoma Along State Highway #1, on the bluff at Bodega Bay, south of the Town of Bay. Comment
  HSC24669  Oxalis oregana F. Demostene 1966-4-12 42 Sonoma 25 mi. W of Healdsburg. 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
  CAS-BOT-BC254466  Panicum Peter Rubtzoff 1987-9-27 9859 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville Comment
  UC1254542  Panicum acuminatum var. acuminatum R. Spellenberg 1964-6-15 402 Sonoma 17 mi e Geyserville; The Geysers, e of Geyserville Comment
  HSC83426  Panicum acuminatum var. fasciculatum Mary M. Hektner 1974-7-6 132 Sonoma Sea Ranch, near golf course. Comment
  UCD32825  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 c Sonoma N.E. Sonoma County: The Geysers, 12 miles (in direct line) east of Cloverdale, ca. 1/2 mile east of Geyser Resort area, slope of steam well (locally called 'The Outlaw') or otherwise thermal no. 10 (Thermal Power co.). 493 Comment
  UCD89125  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7139 c Sonoma North East part of county. The Geysers. Comment
  UCD89129  Panicum acuminatum var. thermale Beecher Crampton 1964-8-18 7149 Sonoma North East part of county. 'The Geysers', Big Sulphur Creek. Comment
  CAS-BOT-BC253796  Panicum hillmanii Walter & Irja Knight; Steve Edwards 1984-8-31 5070 Sonoma Along Willow Creek near Stony Point Road between Corona Road and Old Redwood Highway 6 Comment
  UCD89754  Panicum miliaceum P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  JEPS66219  Parentucellia viscosa T. I. Chuang with L. R. Heckard, R. Bacigalupi and P. Rubtzoff 1971-6-10 6904 Sonoma s central Pitkin Marsh (near end of Templeton Road) Comment
  SEINET6794036 Image available Parentucellia viscosa Sally Walker 1983-1 Sonoma Joy Rd. - near Bodega Hwy Comment
  CAS-BOT-BC175545  Parnassia palustris Roger Raiche 1885-8-10 50721 Sonoma The Cedars, N of Cazadero, headwaters of Big Austin Creek 243 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
  RSA784153  Paspalum dilatatum Peter Rubtzoff 1971-8-23 6654 Sonoma Meacham Road, 0.35 miles S of Stony Point Road. Comment
  CAS-BOT-BC154990  Paspalum distichum Peter Rubtzoff 1965-8-16 5607 Sonoma Russina River margin at Forest Hills (5.5 miles E of Guerneville). Comment
  CAS-BOT-BC265691  Paspalum distichum Peter Rubtzoff 1951-7-14 432 Sonoma Southern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC265693  Paspalum distichum Peter Rubtzoff 1958-7-26 3809 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  SEINET10919041  Passiflora Elizabeth M. McClintock 1977-4-17 McClintock s.n. Sonoma Western Hills Nursery, Occidental. Comment
  HSC20925  Pedicularis densiflora James Faro 1962-4-14 19 Sonoma 5 mi. N of Guerneville on Old Cazadero Rd. Comment
  CAS-BOT-BC71483  Pellaea mucronata Walter Knight; Irja Knight 1964-1-17 519 Sonoma Hooker Canyon, Cavedale Rd. Comment
  UCD151229  Penstemon heterophyllus James A. Neilson Jr. 1974-5-17 2847 Sonoma On the border of Lake and Sonoma Counties: Mayacmas Mountains, Geyser Rock area, west of Whispering Pines and State Highway 175. (Elevation estimated using Google Earth by label maker.) 1115 Comment
  POM14508  Penstemon heterophyllus subsp. heterophyllus Michener, Bioletti 1893-06 s.n. Sonoma Hoods Peak. Comment
  UC1980579  Penstemon heterophyllus var. purdyi James L. Reveal 1987-6-7 6415 Sonoma Along Cavedale Road, about 2.4 mile south of Trinity Road and about 5 miles northeast of California Highway 12, about 13 airline miles south east of Santa Rosa Comment
  LA209546  Penstemon newberryi var. newberryi F. W. Embree; 1934-6-6 75 Sonoma 1 mi S, 0.25 mi W of Rutherford 1615 Comment
  UCD55062  Penstemon newberryi var. sonomensis Ellen Dean; California Department of Forestry Personnel 2006-4-26 3000 Sonoma Top of Mt. St. Helena. 1319 Comment
  UCD160845  Pentagramma triangularis James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3359 Sonoma West of Truit Creek, ca. 2 1/2 miles west of The Geysers Resort. (Location, coordinates, and elevation estimated by label maker.) 426 Comment
  SEINET4555669 Image available Pentagramma triangularis Bassett Maguire, Ruth Maguire, C. B. Maguire 1934-6-7 15053 Sonoma 2 miles north of Geyserville. Comment
  CAS-BOT-BC413643  Persicaria amphibia Peter Rubtzoff 1954-9-4 1732 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC413638  Persicaria amphibia Peter Rubtzoff 1971-6-25 6555 Sonoma Off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing Comment
  CAS-BOT-BC413641  Persicaria amphibia Peter Rubtzoff 1971-9-3 6694 Sonoma Spring Creek Reservoir area Comment
  CAS-BOT-BC418900  Persicaria hydropiperoides Peter Rubtzoff 1969-8-24 6144 Sonoma On River Road 3 mi. west of Fulton Comment
  CAS-BOT-BC418924  Persicaria hydropiperoides Peter Rubtzoff 1960-6-9 4476 Sonoma Laguna de Santa Rosa area northeast of Graton, near the Laguna Road Comment
  CAS-BOT-BC418922  Persicaria hydropiperoides Peter Rubtzoff 1958-9-6 3968 Sonoma Laguna de Santa Rosa north of Cunningham (nr. Todd Road) Comment
  CAS-BOT-BC419110  Persicaria lapathifolia Peter Rubtzoff 1960-6-25 4516 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC419275  Persicaria maculosa Peter Rubtzoff 1954-7-29 1614 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC419424  Persicaria punctata Peter Rubtzoff 1954-6-7 1487 Sonoma Guerneville Marsh Comment
  CAS-BOT-BC419422  Persicaria punctata Peter Rubtzoff 1952-10-26 1334 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh Comment
  CAS-BOT-BC419428  Persicaria punctata Peter Rubtzoff 1955-8-28 2106 Sonoma Forestville Marsh Comment
  UC1481984  Petrorhagia nanteuilii R. K. Rabeler 1980-8-8 507 Sonoma 0.4 km (0.25 mi) nw around corner from Bearpen Creek Bridge (along trail to Big Austin Creek, along n side of King Ridge Rd., 7 km n of jct w/Cazadero Hwy, Cazadero 17.8 km n CA 116); along trail to Big Austin Creek Comment
  HSC63599  Petrorhagia nanteuilii Richard K. Rabeler 1980-8-8 507 Sonoma Along trail to Big Austin Creek along N side of King Ridge Rd., .4 km. NW of Big Austin Creek Bridge, 7 km. N of jct. with Cazadero Hwy. Comment
  UC726925  Phacelia bolanderi A. A. Heller 1940-5-10 15603 Sonoma near bridge spanning the Gualala River (on road between Stewart Point and Skagg's Springs) Comment
  SD64435  Phacelia californica Darley F. Howe 1966-6-2 Sonoma 5.0 miles south of Bodega Bay. Comment
  UC923118  Phacelia californica Freed W. Hoffman 1950-6-1 3324 Sonoma Kruz Ranch North Coast Ranges (on coast) Comment
  UCR222352  Phacelia californica George K. Helmkamp, E. A. Helmkamp 2010-6-4 16232 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
  JEPS128279  Phacelia distans Roger Raiche 2005-4-22 016 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC107372  Phacelia distans Alice Eastwood 1900-7-4 Sonoma type locality Bodega Point Comment
  JEPS2011  Phacelia distans Willis L. Jepson 1893-4-25 21016 Sonoma mts. w Mt. St. Helena (trail to Caux's Cabin); Napa River Basin Comment
  CHSC52635  Phacelia imbricata James Jokerst 1985-5-29 2386 Sonoma Near Cobb Mountain. 1126 Comment
  SEINET12327821  Phacelia imbricata F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -082 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 152 Comment
  CAS-BOT-BC154987  Phalaris Peter Rubtzoff; Nancy Harrison 1978-5-20 9175 Sonoma Todd Road, 1.4 mi. from Hwy. 116 and 0.6 mi. from Llano Road (off N side of road, in Todd Road Wildflower Preserve). Comment
  RSA783845  Phalaris Peter Rubtzoff 1978-5-20 9175 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road (off N side of road, in Todd Road Wildflower Preserve). Comment
  UC1132415  Phalaris angusta H. S. Yates 1936-5-16 5617 Sonoma near Green Valley School; Sebastopol Quad. Comment
  CAS-BOT-BC258947  Phalaris aquatica G. DeNevers 1981-5-30 1404 Sonoma Pepperwood Ranch. 1st Canyons cutting EW on the E slope of Horse Hill Comment
  CAS-BOT-BC260876  Phleum pratense Peter Rubtzoff 1951-7-8 402 Sonoma Lower part of the Upper Marsh, Pitkin Marsh near Forestville Comment
  UC1299383  Phoradendron densum Freed W. Hoffman 1946-9-26 567 Sonoma Austin Creek, Layton Mine North Coast Ranges, Austin Creek, Layton Mine Comment
  CAS-BOT-BC171222  Phoradendron serotinum subsp. tomentosum A. A. Heller; H. E. Brown 1902-3-12 5036 Sonoma Sonoma Creek, Eastern Base of Mt. Hood Comment
  RSA227242  Phyla nodiflora Peter Rubtzoff 1958-7-26 3806 Sonoma Laguna de Santa Rosa, east of Sebastopol. 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
  UC764705  Pickeringia montana var. montana Robert F. Hoover 1941-6-7 5303 Sonoma Molino-Occidental Road Comment
  SEINET3560620 Image available Pinus muricata James Montgomery 1969-8-13 83751 a Sonoma Along Route 1, 9 miles north of Ft. Ross. 61 Comment
  SEINET7342797 Image available Pinus muricata Unknown 1974-1 6433 Sonoma Sea Pines State Park. Ca. 1 on sandy coastal bluffs. Comment
  CAS-BOT-BC72885  Pinus ponderosa James McMurphy 1908-10-3 s.n. Sonoma Smith Creek Comment
  JEPS128295  Piperia elongata Roger Raiche 2010-7-11 034 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCSC008261  Piperia elongata Randall Morgan 1989-1-1 1326 -P Sonoma Sugarloaf Ridge State Park Comment
  JEPS128294  Piperia transversa Roger Raiche 2010-7-10 031 .10 Sonoma The Cedars, about 0.2 mile in from 2nd Crossing. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC368049  Piperia transversa Greg de Nevers 1989-6-8 9073 Sonoma Field redacted by CAS, contact the data manager for more information 400 Comment
  CHSC110480  Plagiobothrys Peter Rubtzoff; H. A. Froebe 1971-5-30 6488 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  RSA785159  Plagiobothrys Peter Rubtzoff 1969-5-3 6011 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UCD166129  Plagiobothrys Peter Rubtzoff 1969-5-3 6013 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCR244646  Plagiobothrys Peter Rubtzoff 1969-5-3 6012 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastopol 21 Comment
  UCR244739  Plagiobothrys Peter Rubtzoff 1969-5-11 6047 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  UCR279867  Plagiobothrys Peter Rubtzoff 1969-5-11 6030 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  UCR279872  Plagiobothrys Peter Rubtzoff 1969-5-11 6048 Sonoma Laguna de Santa Rosa, NE of Graton, at end of Piner Road 30 Comment
  UCR280130  Plagiobothrys Peter Rubtzoff 1969-6-15 6095 Sonoma Laguna de Santa Rosa, c. 1 mile ESE of Sebastapol 21 Comment
  CAS-BOT-BC156309  Plagiobothrys Peter Rubtzoff 1970-5-16 6230 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC166921  Plagiobothrys Peter Rubtzoff 1971-7-23 6612 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC166946  Plagiobothrys Peter Rubtzoff 1969-6-15 6092 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  SEINET3101780  Plagiobothrys bracteatus Ayzik Solomeshch 2009-5-12 s.n Sonoma Along Bennett Valley Road (between Santa Rosa and Glen Ellen). 189 Comment
  RSA620969  Plagiobothrys bracteatus Peter Rubtzoff 1962-6-8 4889 Sonoma Bennett Mountain Lake Comment
  RSA783848  Plagiobothrys bracteatus Peter Rubtzoff 1972-6-11 6780 Sonoma Laguna, Chileno Valley. Comment
  UC881328  Plagiobothrys greenei Milo S. Baker 1940-4-24 9549 Sonoma s Warfield Comment
  UCR119034  Plagiobothrys nothofulvus Beecher Crampton 1955-4-5 2414 Sonoma Santa Rosa Area, 2 miles southwest of Windsor 91 Comment
  RSA786924  Plagiobothrys nothofulvus Carrie A. Herd 1982-3-14 20 Sonoma Crane Creek Regional Park, above Crane Creek Comment
  UCD120863  Plagiobothrys reticulatus Mary M. Hektner 1974-7-5 121 -A Sonoma Unit 35-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  POM226100  Plagiobothrys stipitatus J. T. Howell 1933-4-1 10922 Sonoma Petaluma Comment
  POM126230  Plagiobothrys stipitatus Michener, Bioletti 1892-5-1 s.n. Sonoma Shellville. Comment
  JEPS61047  Plagiobothrys stipitatus var. micranthus Milo S. Baker 1927-4-9 2053 x Sonoma near Forestville; Monroe School Comment
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May 5 2013
  RSA783850  Plagiobothrys stipitatus var. micranthus Peter Rubtzoff 1972-5-14 6740 Sonoma 4.25 mi W of Glen Ellen on Bennett Valley Road. Comment
  UC353903  Plagiobothrys stipitatus var. micranthus Milo S. Baker 1927-5-8 2141 a Sonoma summit of Bennett Valley Road Comment
  RSA785153  Plagiobothrys stipitatus var. stipitatus Peter Rubtzoff 1969-5-3 6017 Sonoma Laguna de Santa Rosa, ca. 1 mi ESE of Sebastopol Comment
  UC28041  Plantago erecta Edw. L. Greene 1889-1 Sonoma Knight's Valley Comment
  UCD124491  Plantago erecta Valerie Bullock; Erik Beever, Rimy Waraich, Patti Togioka 1993-5-8 219 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Ponygate Trail at base of wooded area. 365 Comment
  SD39913  Plantago lanceolata Edith A. Purer 1932-7-21 4050 Sonoma Bodega Bay Comment
  UCD96038  Platystemon californicus Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 46 Sonoma Bihler's Point, Unit 2 Owner's Map, Sea Ranch, near State Highway 1. Comment
  SEINET6911641  Platystigma linearis Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Dunes near their base, Bodega Head, near middle of peninsula. Comment
  CAS-BOT-BC376252  Plectritis Greg de Nevers 1993-4-11 10369 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. North slope, in Bald Hills 304 Comment
  UC766307  Plectritis brachystemon R. F. Hoover 1941-5-14 5082 Sonoma 3 mi s of Monte Rio (on road to Camp Meeker) Comment
  POM59709  Plectritis ciliosa subsp. ciliosa A. A. Heller, H. E. Brown 1902-3-24 5139 Sonoma Hills East of Santa Rosa. Comment
  CAS-BOT-BC173802  Pleuropogon Peter Rubtzoff 1966-5-7 5708 Sonoma On north side of Hessel Road, just west of Highway 116. Comment
  CAS-BOT-BC173804  Pleuropogon Peter Rubtzoff 1966-4-30 5686 Sonoma On north side of Highway 116, 0.5 miles northwest of Stony Point Road crossing. Comment
  UC573891  Pleuropogon californicus H. S. Yates 1937-6-5 6575 Sonoma near Wildwood 121 Comment
  UCR111257  Pleuropogon californicus L. S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  SEINET6205136  Pleuropogon californicus L. S. Rose 1965-1 65019 Sonoma Sonoma Comment
  CAS-BOT-BC260980  Pleuropogon californicus var. californicus Lewis S. Rose 1965-4-4 65019 Sonoma Sonoma 24 Comment
  RSA127248  Pleuropogon californicus var. californicus J. T. Howell 1944-5-14 19484 Sonoma Between Petaluma and Chileno Valley. Comment
  SEINET10611506  Pleuropogon californicus var. californicus Edward Lee 1934-4-30 Lee 753 Sonoma 1 mile west of 2 Rock junction. Comment
  SEINET10611512  Pleuropogon californicus var. californicus A. Arthur Heller 1902-4-15 Heller 5294 Sonoma Santa Rosa. Comment
  UCD90193  Pleuropogon californicus var. californicus R. Tofsrud 1949-4-1 s.n. Sonoma south of East Windsor. Comment
  UCSB63833  Pleuropogon davyi James D. Jokerst 1993-5-13 3979 Sonoma collected the Sonoma Air Center Sonoma Air Center Comment
  CAS-BOT-BC311824  Poa Peter Rubtzoff 1974-5-11 7405 Sonoma Laguna de Santa Rosa east of Sebastopol (south of Hwy. 12 crossing). Comment
  UCD92204  Poa Collector Unknown 1941-4-1 380 Sonoma S. R. Creek Canyon. 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
  CAS-BOT-BC256029  Poa pratensis Peter Rubtzoff 1951-6-7 128 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  CAS-BOT-BC256030  Poa pratensis Peter Rubtzoff 1951-6-7 128 Sonoma Western branch of the Upper Marsh, Pitkin Marsh near Forestville Comment
  JEPS75077  Poa pratensis subsp. pratensis Edward Lee 1934-4-30 754 Sonoma 1 mi w 2 Rock Junction 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
  CAS-BOT-BC243249  Poa secunda subsp. secunda Catherine Best 1981-5-2 s.n. Sonoma At the edge of Stoetz Lane about 2 miles NE of Occidental Comment
  CAS-BOT-BC243201  Poa secunda subsp. secunda David L. Morgan 1961-4-12 s.n. Sonoma 4 miles W of Fallon Comment
  CAS-BOT-BC244199  Poa trivialis Peter Rubtzoff 1955-6-26 1905 Sonoma Duncans Mills Marsh, edge of the lower portion of the marsh Comment
  RSA227196  Poa trivialis Peter Rubtzoff 1955-6-26 1905 Sonoma Duncan Mills Marsh. Comment
  CAS-BOT-BC244261  Poa unilateralis H. S. Yates 1934-4-21 3796 Sonoma Near Bodega 91 Comment
  CAS-BOT-BC244263  Poa unilateralis Catherine Best 1985-5-15 1099 Sonoma Bodega Head Comment
  CAS-BOT-BC320557  Poaceae Peter Rubtzoff 1971-7-9 6599 Sonoma Vernal pool 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC361406  Poaceae Greg de Nevers 1993-8-21 10491 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. Along Franz Creek 457 Comment
  CAS-BOT-BC368003  Poaceae Greg de Nevers 1989-6-8 9079 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  HSC93551  Pogogyne douglasii G. Fred Hrusa, A. Buckmann 1996-10-5 13586 Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Rd., 2 mi. SW of Calistoga 700 Comment
  UCD125256  Pogogyne douglasii G. F. Hrusa; R. Gross 1996-6-30 13065 Sonoma Permanent spring-derived pool at W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. 700 Comment
  RSA264762  Pogogyne douglasii subsp. parviflora Peter Rubtzoff, Tim Tunison, Nancy Harrison 1976-6-5 8585 Sonoma False Lake Meadow area, Annadel State Park. Comment
  UC25594  Pogogyne douglasii subsp. parviflora H. N. Bolander April 1864 3901 Sonoma Mark West Comment
  CAS-BOT-BC376254  Pogogyne serpylloides Greg de Nevers 1995-5-5 10719 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Weimar Flat roadbed vernal pools 487 Comment
  JEPS69888  Polemonium carneum J. Ewan 1935-5-13 9207 Sonoma road 2 mi w Bodega; Bodega Bay, w <of> Bodega Comment
  JEPS128235  Polygala californica Roger Raiche 2000-3-30 054 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD109700  Polygala californica K. Esau 1932-8-28 s.n. Sonoma near Petrified Forest. Comment
  POM138562  Polygala californica Milo S. Baker 1898-5-8 601 Sonoma Glen Ellen Comment
  SEINET12205440  Polygala californica F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -166 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 330 Comment
  CAS-BOT-BC164401  Polygonum Peter Rubtzoff 1970-5-30 6241 Sonoma 5 mi. north of Sears Point Comment
  JEPS87241  Polygonum amphibium var. stipulaceum Jack and Betty Guggolz 1992-6-22 1318 Sonoma pond in cattle pasture se Bloomfield Road 36 Comment
  JEPS128353  Polypodium Roger Raiche 2000-5-5 083 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC72112  Polypodium scouleri John Thomas Howell 1930-7-27 5393 Sonoma 1 mile north of Fort Ross Comment
  UC353928  Polypodium scouleri Milo S. Baker 1928-4-14 2979 b Sonoma n and w faces of rock near Bay 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-BC233192  Polypogon interruptus Peter Rubtzoff 1958-7-26 3802 Sonoma Laguna de Santa Rosa, E of Sebastopol Comment
  CAS-BOT-BC233194  Polypogon interruptus Peter Rubtzoff 1958-8-9 3855 Sonoma Laguna de Santa Rosa N of Sebastopol, near Occidental Road Comment
  CAS-BOT-BC233198  Polypogon interruptus Walter Knight; Irja Knight 1968-1-1 2269 Sonoma Geysers Resort, along geyser trail Comment
  UC1132888  Polypogon interruptus H. S. Yates 1937-6-6 6584 Sonoma 3 mi e Jenner; Duncan Mills Quad. Comment
  UC50626  Polypogon interruptus J. Burtt Davy 1896-7-24 Sonoma along the Russian River below Guerneville; along the Russian River Comment
  CAS-BOT-BC237416  Polypogon monspeliensis A. A. Heller 1902-4-23 5353 Sonoma Near Sonoma Comment
  SD39929  Polypogon monspeliensis Edith A. Purer 1932-7-24 4082 Sonoma Bodega Bay, stabilized dunes Comment
  UCD91353  Polypogon monspeliensis David L. Morgan 1955-6-27 s.n. Sonoma Porter's Gulch, between Soquel and Aptos. 15 Comment
  UCD91413  Polypogon monspeliensis Terri Williamson 1990-5-24 73 Sonoma Cal-State Hayward Campus, Hayward. 243 Comment
  JEPS33241  Polystichum californicum F. T. Bioletti 1892-5-31 Sonoma Hood's Peak Comment
  UC1400815  Polystichum californicum Michener and Bioletti June, 1893 Sonoma Adobe Canyon Comment
  CAS-BOT-BC72175  Polystichum californicum A. T. Graff 1926-2-1 s.n. Sonoma Cazadero 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
  CDA37328  Polystichum imbricans D. G. Kelch, Troy McGregor 2010-8-22 10 .334 Sonoma Geyser Peak Rd. Comment
  CAS-BOT-BC257343  Populus Peter Rubtzoff 1973-10-10 7336 Sonoma Salmon Creek, 0.25 miles south of Freestone along creek canyon. Comment
  CAS-BOT-BC102668  Populus fremontii Peter Rubtzoff 1973-10-10 7335 Sonoma Forestville Marsh area, field ca. 25 yards from creek draining the Forestville Marsh Comment
  CAS-BOT-BC445300  Portulaca oleracea G. DeNevers 1981-7-1 1742 Sonoma Pepperwood Ranch. In Pippindale Garden. Comment
  CAS-BOT-BC376364  Potamogeton Greg de Nevers 1992-6-8 10159 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC267131  Potamogeton M. S. Baker 1899-6-28 3653 b Sonoma Russian River, near mouth Comment
  CAS-BOT-BC452132  Potamogeton crispus Peter Rubtzoff 1964-6-24 5375 Sonoma Coleman Marsh. In Salmon Creek. Comment
  UC441348  Potamogeton illinoensis Milo S. Baker June 1899 Sonoma near Sebastopol Comment
  RSA800334  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh. Comment
  UCD165769  Potamogeton nodosus Peter Rubtzoff 1973-8-27 7267 Sonoma Upper Green Valley Marsh area. Comment
  UCR244637  Potamogeton nodosus Peter Rubtzoff 1971-9-1 6669 Sonoma Spring Creek Reservoir area, east of Santa Rosa 87 Comment
  RSA800841  Potamogeton nodosus Peter Rubtzoff 1970-8-18 6312 Sonoma 5 miles north of Sears Point. Comment
  RSA90487  Potentilla glandulosa Joe Mullin 1933-5-5 s.n. Sonoma Santa Rosa Creek Canyon Comment
  UCR90890  Prunella vulgaris Kathy Harper, Dane Karr 1994-6-10 s.n. Sonoma North Coast Range, King Ridge Road along Big Austin Creek, north of Cazadero 122 Comment
  SEINET12272809  Prunella vulgaris subsp. vulgaris A. P. Nelson 1961-1 646 1 C Sonoma At Pitkin Marsh Comment
  CAS-BOT-BC251229  Prunus Peter Rubtzoff 1960-4-30 4309 Sonoma Laguna de Santa Rosa, east of Sebastopol, near Santa Rosa Road. Comment
  CAS-BOT-BC159902  Prunus emarginata T. E. Rawlins 1942-9-1 s.n. Sonoma Fort Ross Comment
  CAS-BOT-BC356926  Pseudognaphalium californicum G. DeNevers 1981-6-15 1556 Sonoma Pepperwood Ranch. Along road from Bald Hills to Franz Valley Creek Comment
  CAS-BOT-BC357411  Pseudognaphalium microcephalum Walter Knight; Irja Knight 1963-9-15 300 Sonoma Los Alamos Rd, Santa Rosa Comment
  CAS-BOT-BC357452  Pseudognaphalium ramosissimum Catherine Best 1984-9-18 1041 Sonoma Near the pond on Stoetz Lane about 2 miles northeast of Occidental Comment
  HSC2215  Pseudognaphalium stramineum Roxana S. Ferris 1937-8-18 9375 Sonoma At mouth of Salmon Creek on Bodega Bay Comment
  UCD148334  Pseudognaphalium stramineum Peter Rubtzoff 1954-9-4 1725 Sonoma Bodega Head Marsh. Comment
  RSA784567  Psilocarphus Peter Rubtzoff 1971-6-25 6553 Sonoma Intermittent lake off W side of Hwy 1, 0.7 mi SE of Salmon Creek crossing. Comment
  CAS-BOT-BC362077  Psilocarphus tenellus G. DeNevers 1981-5-31 1423 Sonoma Pepperwood Ranch. In Garrison Cold Frame Comment
  UCD135312  Psilocarphus tenellus Mary M. Hektner 1974-7-5 125 Sonoma between what will be Helm and Sea Stack; Unit 35-C Owners' Map, Sea Ranch, near State Highway 1. Comment
  SEINET4207981  Psoralea physodes Lewis S. Rose 1956-6-18 56097 Sonoma 4 mi. W of Graton, junction of Harrison Grade & Green Valley Road.; 0 Comment
  RSA784485  Pteridium Peter Rubtzoff 1974-6-2 7528 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC72686  Pteridium aquilinum Irja Knight; Walter Knight 1964-11-15 s.n. Sonoma Hood's Peak at Johnson Lake Comment
  UCD100916  Pterostegia drymarioides P. G. Connors 1991-6-14 154 Sonoma University of California Bodega Marine Laboratory. Bodega Head and Dunes. Comment
  JEPS58840  Pyrola aphylla M. E. and E. Van E. Ferguson Jun 8-10 1919 Sonoma Near Gurneville Comment
  UCD167310  Pyrola aphylla James Neilson 1977-6-12 3917 Sonoma Mayacmas Mountains, 1/4 mi south of well site #1. On ridge between Coon Creek and McMicking Ranch. (McMicking Ranch is also known as Santa Angelina Ranch. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC376277  Quercus Greg de Nevers 1990-11-8 9747 Sonoma Santa Rosa, County Administration Building 76 Comment
  UCD45322  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
  UC1135348  Quercus agrifolia R. W. Lundh 1932-7-19 122 Sonoma 1.5 mi nw Los Alamos School; Santa Rosa Quad. 579 Comment
  SEINET12029926  Quercus agrifolia W. Knight, Knight, I.; Howell, J. T. 1984-1 5080 Sonoma 0.4mi up Cavedale Rd from Hwy-12 91 Comment
  UC1193267  Quercus berberidifolia R. H. Neuns 1950-5-3 101 Sonoma 6 mi e Geyserville 426 Comment
  UCD151139  Quercus berberidifolia James A. Neilson Jr. 1973-6-6 2959 Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  CHSC80756  Quercus chrysolepis Earl L. Core 1952-7-5 Sonoma Mt. St. Helena. Comment
  UC1193272  Quercus douglasii G. W. Tourtillott 1950-4-28 14 Sonoma 1 mi e Hale ranch; Sulphur Creek 213 Comment
  SEINET12034335  Quercus douglasii Unknown 1974-1 Sonoma Comment
  CDA127  Quercus durata D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .283 Sonoma Cavedale Rd. Comment
  UCD166584  Quercus durata Dylan O. Burge 2016-8-21 2124 Sonoma Mayacmas Mountains, western slope of Hooker Canyon. 500 Comment
  UCD45936  Quercus durata var. durata Maunsell Van Rensselaer 1941-10-12 s.n. Sonoma Rincon Ridge, Sonoma County, California. Comment
  UC1196518  Quercus garryana Joseph P. Tracy 1930-11-30 9270 Sonoma creek below Knights Valley; North Coast Ranges 152 Comment
  UCD46201  Quercus garryana Roman Gankin 1967-10-4 1078 7 Sonoma Near Rocky Mountain, north of Guerneville, Sonoma County, California. Comment
  SEINET13953407 Image available Quercus garryana G. Thomas Robbins 1940-1 307 Sonoma Rincon Ridge ca. 6 mi ne of Santa Rosa 168 Comment
  POM270134  Quercus garryana var. garryana Lyman Benson 1933-8-23 5687 Sonoma Mark West Springs, Hood's Peak Mt. Range. 305 Comment
  UCD46644  Quercus kelloggii G. L. Stebbins Jr. 1945-10-7 3583 2 Sonoma Two miles northwest of Kenwood, Sonoma County, California. Comment
  UCD46678  Quercus kelloggii Lewis S. Rose 1964-6-27 64058 Sonoma 2 miles n of Sonoma hill slopes. 274 Comment
  CDA10852  Quercus wislizeni var. wislizeni G. F. Hrusa, G. L. Stebbins 1994-4-8 11728 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. E of Hwy 12. Mayacmas Mts. Comment
  UC9370  Ranunculus aquatilis var. capillaceus F. T. Bioletti 1892-1 Sonoma Comment
  RSA0057955  Ranunculus aquatilis var. hispidulus Greg de Nevers 1998-4-28 11213 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Westernmost Double Ponds. 100 Comment
  SD133985  Ranunculus aquatilis var. hispidulus Greg de Nevers 1987-2-28 8128 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 99 Comment
  UC1126147  Ranunculus californicus A. Lewis 1932-5-14 76 Sonoma Calabasas Creek Napa Quadrangle 457 Comment
  CAS-BOT-BC378692  Ranunculus californicus var. californicus Peter Rubtzoff 1966-5-29 5727 Sonoma Laguna de Santa Rosa area east of Cunningham (nr. Llano Rd.) Comment
  CAS-BOT-BC378694  Ranunculus californicus var. californicus Peter Rubtzoff 1966-5-7 5705 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC378698  Ranunculus californicus var. californicus A. A. Heller; H. E. Brown 1902-3-14 5055 Sonoma near Santa Rosa Comment
  CAS-BOT-BC378765  Ranunculus californicus var. cuneatus Walter Knight; Irja Knight 1964-2-27 530 Sonoma coastal bluff at Rocky Point a little south of Gualala Comment
  UC634971  Ranunculus lobbii Carl V. Meyer 1929-3-24 Sonoma Santa Rosa Comment
  UC634967  Ranunculus muricatus H. L. Mason 1928-4-7 4275 Sonoma Jenner Russian River (mouth of river) Comment
  UC1614276  Ranunculus orthorhynchus var. bloomeri Charles M. Belshaw 1936-3-7 1555 Sonoma 1 mi ne of Occidental Comment
  CAS-BOT-BC492930  Ranunculus pusillus Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain; NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds; sampling pool #1 43 Comment
  RSA202091  Ranunculus pusillus Rimo Bacigalupi, G. Thomas Robbins, Ralph Hoffmann 1957-5-31 5677 Sonoma Onion Pond' above Canyon of Big Austin Creek, above Arroyo Gun Club, 4 miles N of Cazadero. 155 Comment
  SD88304  Ranunculus uncinatus Darley F. Howe 1972-5-2 4920 Sonoma Trail above Duncan Mills Pond Comment
  SDSU10124  Ranunculus uncinatus D. F. Howe 1972-5-2 4820 Sonoma Trail above Duncan Mills pond. Comment
  HSC6886  Raphanus sativus F. Demostene 1966-4-1 6 Sonoma 2 mi. E of Healdsburg Comment
  UCD135421  Rhagadiolus stellatus Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1778 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Campground south of Sonoma Creek approximately 150 yards 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  CAS-BOT-BC226795  Rhododendron occidentale G. F. Hrusa 1989-5-8 7003 Sonoma Hogback Mtn. at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma 518 Comment
  UC750808  Rhododendron occidentale Charles B. Heiser Jr. 1946-5-19 1750 Sonoma Vine Hill Region, Pitkin Marsh Pitkin Marsh; Vine Hill Region, Pitkin Marsh Comment
  RSA133726  Rhododendron occidentale var. occidentale John H. Thomas 1955-5-22 5190 Sonoma Graton-occidental Road about 3.5 miles west of Occidental. 61 Comment
  CAS-BOT-BC111861  Rhynchospora Peter Rubtzoff 1977-9-4 9132 Sonoma Pitkin Marsh, near Forestville. Northern part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC111863  Rhynchospora alba Peter Rubtzoff 1951-6-7 123 Sonoma Pitkin Marsh; Uppermost part of the western branch of the Upper Marsh. Comment
  CAS-BOT-BC111897  Rhynchospora capitellata Herbert L. Mason 1946-7-4 12881 Sonoma Pitkin Marsh; between Santa Rosa and Forestville Comment
  CAS-BOT-BC111905  Rhynchospora capitellata Peter Rubtzoff 1951-7-22 529 Sonoma Pitkin Marsh; uppermost part of the western branch of the Upper Marsh. Comment
  UC75440  Ribes californicum Milo S. Baker 1898-4-3 20 Sonoma between Forestville and Guerneville Comment
  CAS-BOT-BC368078  Ribes divaricatum Greg de Nevers 1998-4-27 11204 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  SEINET13942449 Image available Ribes divaricatum Lewis S. Rose 1962-1 62018 Sonoma Laguna de Santa Rosa, 0.5 mi E of Cunningham, alt ca 50 ft, edge of marsh 15 Comment
  UCD102254  Ribes inerme var. inerme Frederica Bowcutt; Jolie Henricks, Jeff Kennedy 1994-5-1 1780 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 1.5 air miles N of Kenwood and 18 air miles NW of Napa. Campground S of Sonoma Creek approx. 150 yds 1/4 mile NW of confluence with Rattlesnake Creek, toe of Sugarloaf Ridge. 350 Comment
  UC75450  Ribes menziesii Milo S. Baker 1898-4-5 Sonoma between Sea View and Stewarts Point (Coast Road) Comment
  CAS-BOT-BC168765  Ribes victoris A. A. Heller 1902-6-26 5773 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  SEINET5660524 Image available Ribes victoris Paul M. McKenzie, Lowell E. Urbatsch; Annette Parker; Karla Wilzer 1971-1 176 Sonoma On North slope near construction site; ca. 8 miles west of Geyserville on Stewarts Point--Skaggs Springs Roads.; Stewarts Point Comment
  UC75438  Ribes victoris var. minus Milo S. Baker June 1899 Sonoma near Mt. Hood (one mile from mouth of Sonoma Canyon); Sonoma Creek Comment
  UC35868  Rigiopappus leptocladus F. T. Bioletti 1893-5-27 Sonoma Hood's Peak Comment
  CAS-BOT-BC376258  Rorippa Greg de Nevers 1992-5-5 10141 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. West of Three Tree Hill 475 Comment
  UCR255044  Rorippa Greg de Nevers 1992-5-5 10141 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  CAS-BOT-BC74393  Rorippa curvipes Peter Rubtzoff 1973-8-21 7250 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC344963  Rorippa curvisiliqua Peter Rubtzoff 1976-9-25 8902 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC74692  Rorippa curvisiliqua Peter Rubtzoff 1954-7-3 1516 Sonoma Vacation Beach, near Guernville. Beach of Russian River. Comment
  CAS-BOT-BC74705  Rorippa curvisiliqua Peter Rubtzoff 1968-9-21 5973 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC74708  Rorippa curvisiliqua Peter Rubtzoff 1965-8-16 5594 B Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA295091  Rorippa curvisiliqua Robert A. Norris, John L. Inase, Allen Nakagawa 1981-6-27 4207 Sonoma On the Boriolo Ranch, near Trenton Rd., just S of and paralleling River Rd., (N part of Laguna de Santa Rosa), approx halfway between Guerneville and Santa Rosa. 15 Comment
  CAS-BOT-BC368001  Rosa Greg de Nevers 1989-6-8 9075 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  UCR254919  Rosa Greg de Nevers 1989-1 9071 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC152653  Rosa californica Alice Eastwood; John Thomas Howell 1936-5-19 2522 Sonoma 2 miles n. of Windsor Comment
  UC467687  Rosa californica Milo S. Baker 1898-6-1 595 Sonoma Santa Rosa Cemetery Comment
  CAS-BOT-BC146770  Rosa gymnocarpa F. G. Krauss 1895-5-6 s.n. Sonoma Mountains near [Franze] Franz and Knights Valleys Comment
  CAS-BOT-BC148197  Rosa rubiginosa Walter Knight; Irja Knight 1988-6-9 6262 Sonoma In pastureland along Valley Ford Cutoff between Bodega Hwy. jct. and Valley Ford 45 Comment
  CAS-BOT-BC146735  Rosa spithamea Eliz. Parsons Hawver 1915-6-1 s.n. Sonoma Skaggs Springs Comment
  UC903698  Rosa spithamea Milo S. Baker 1947-5-8 11755 Sonoma top of Rose Butte Hood Mtn. (w slope of mt.) 243 Comment
  CAS-BOT-BC344899  Rosaceae Peter Rubtzoff 1951-8-26 684 Sonoma Along road from East Guernewood to Vacation Beach (Guerneville Region). Comment
  UC1073291  Rubus spectabilis George B. Rossbach 1955-3-19 310 Sonoma on thoroughfare into Bodega Harbor opposite Doran Beach Point (e edge Bodega Head); , thoroughfare into Bodega Harbor 22 Comment
  CAS-BOT-BC158723  Rubus ulmifolius Mary P. Wells 1985-7-1 527 Sonoma Bank of Ducker Creek, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC158721  Rubus ulmifolius Milo S. Baker 1944-7-31 10879 Sonoma Bank of Sonoma Cr. at the Miller residence below Kenwood. Comment
  CAS-BOT-BC157181  Rubus ursinus Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC157183  Rubus ursinus Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills Comment
  CAS-BOT-BC157659  Rumex Peter Rubtzoff 1964-6-3 5351 Sonoma Bodega Bay Marsh Comment
  CAS-BOT-BC173544  Rumex Peter Rubtzoff 1964-6-24 5387 Sonoma Coleman Marsh. Salmon Creek. Comment
  CAS-BOT-BC157665  Rumex Peter Rubtzoff 1971-6-29 6579 Sonoma Pitkin Marsh. Area 27. Comment
  CAS-BOT-BC173548  Rumex Peter Rubtzoff 1964-7-29 5444 Sonoma Brooks Gulch Marsh. Comment
  RSA784602  Rumex Peter Rubtzoff 1964-7-29 5452 Sonoma Bodega Bay Marsh. Comment
  UCD166089  Rumex Peter Rubtzoff 1971-6-29 6579 Sonoma Pitkin Marsh, Area 27. Comment
  UC1042523  Rumex acetosella Peter Rubtzoff 1951-7-7 376 Sonoma near Forestville (e branch of Upper Pitkin Marsh); Pitkin Marsh Comment
  UCD101063  Rumex acetosella Peter Rubtzoff 1951-7-7 366 Sonoma Pitkin Marsh near Forestville. Between the western and the eastern branches of the Upper Marsh. Comment
  UCD160131  Rumex crispus James A. Neilson Jr. 1973-6-6 3061 Sonoma Mayacmas Mountains. The Geysers. Site IV A. (Exact location of Site IV A unknown. Elevation and coordinates estimated to be near Site IV G by label maker.) 731 Comment
  SEINET11933971  Rumex crispus W. Knight, Knight, I. 1984-1 5421 Sonoma Along floodplain of Petaluma River. Gilardi's Resort 3 Comment
  CAS-BOT-BC166673  Rumex fueginus Peter Rubtzoff 1968-9-21 5972 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC166935  Rumex pulcher Peter Rubtzoff 1961-8-22 4689 Sonoma Fife Creek Marsh. Comment
  POM37358  Rupertia physodes Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  POM252713  Rupertia physodes A. A. Heller 1902-6-23 5744 Sonoma Petrified Forest Comment
  UC1719909  Rytidosperma penicillatum Barbara Ertter 2003-7-19 18246 Sonoma Bodega Bay, behind community center on W side of Hwy 1 N of town Comment
  CAS-BOT-BC239856  Rytidosperma penicillatum Mary P. Wells 1981-8-2 s.n. Sonoma The Sea Ranch Comment
  CAS-BOT-BC249311  Sagina Peter Rubtzoff 1953-5-30 1419 Sonoma Vacation Beach near Guerneville, along Russian River. Comment
  CAS-BOT-BC445775  Sagittaria latifolia Peter Rubtzoff 1955-8-28 2111 Sonoma Forestville Marsh. Comment
  UCR249071  Salix Peter Rubtzoff 1973-9-9 7326 Sonoma Kenwood Marsh 120 Comment
  UCR249084  Salix Peter Rubtzoff 1973-8-27 7264 Sonoma Upper Green Valley Marsh Comment
  UCR249325  Salix Peter Rubtzoff 1974-4-17 7364 Sonoma Upper Green Valley Marsh Comment
  RSA0015566  Salix Peter Rubtzoff 1973-8-27 7264 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC126271  Salix X sepulcralis Peter Rubtzoff 1952-5-31 1117 Sonoma Southern half of Lower Marsh Comment
  UCR249334  Salix babylonica Peter Rubtzoff 1955-8-14 2051 Sonoma Forestville Marsh 71 Comment
  RSA0015567  Salix babylonica Peter Rubtzoff 1955-8-14 2051 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC103074  Salix bonplandiana A. A. Heller 1902-4-23 5348 Sonoma Near Sonoma Comment
  CAS-BOT-BC103078  Salix bonplandiana M. S. Baker 1930-4-11 3945 Sonoma Banks of Santa Rosa Creek Comment
  CAS-BOT-BC103087  Salix bonplandiana Peter Rubtzoff 1963-10-5 5291 Sonoma Laguna de Santa Rosa east of Graton Comment
  CAS-BOT-BC103090  Salix bonplandiana Peter Rubtzoff 1972-8-25 6855 Sonoma Along the margin of the now dry San Antonio Creek on the east side of Hwy. 101 crossing Comment
  RSA534566  Salix bonplandiana Peter Rubtzoff 1957-5-4 3320 Sonoma Vacation Beach, near Guerneville. Russian River. Comment
  CAS-BOT-BC103842  Salix exigua subsp. melanopsis Peter Rubtzoff 1952-6-15 1266 Sonoma Fitch Mtn., near Healdsburg. Bank of Russian River Comment
  CAS-BOT-BC103844  Salix exigua subsp. melanopsis Peter Rubtzoff 1972-9-8 6883 Sonoma Forest Hills, 5.5 mi. east of Guerneville. Russian River margin Comment
  UC490514  Salix exigua var. hindsiana Joseph P. Tracy 1932-5-8 9899 Sonoma in river bed Geyserville; Northern Coast Ranges Comment
  RSA155474  Salix laevigata L. S. Rose 1962-4-18 62022 Sonoma 1 mile NW of Freestone. 76 Comment
  SEINET10392978  Salix laevigata A. A. Heller 1902-3-28 5174 Sonoma Santa Rosa Creek, E of Santa Rosa. Comment
  UC453090  Salix lasiandra subsp. lasiandra W. A. Setchell 1931-7-25 10 Sonoma Bohemian Grove near Monte Rio; Russian R. Comment
  UC453098  Salix lasiandra subsp. lasiandra W. A. Setchell 1931-7-25 16 Sonoma Bohemian Grove near Monte Rio (lower bank of Russian R.); Russian R. Comment
  UC511618  Salix lasiandra subsp. lasiandra W. A. Setchell 1933-7-13 Sonoma Monte Rio Bohemian Grove (opposite iron warehouse on R.R.); , Monte Rio Comment
  CAS-BOT-BC128057  Salix lasiandra var. lasiandra Peter Rubtzoff; T. J. Crovello 1964-9-3 5496 Sonoma Bodega Harbor Marsh - Sonoma County Marshes Comment
  CHSC116236  Salix lasiandra var. lasiandra Barbara Wilson 3015-09-23 18822 Sonoma 2800 4th St., Santa Rosa. 62 Comment
  CAS-BOT-BC107095  Salix lasiolepis Peter Rubtzoff 1952-6-15 1263 Sonoma Fitch Mtn. Grove, near Healdsburg. Bank of Russian River Comment
  RSA534496  Salix lasiolepis Peter Rubtzoff, J. Eckenwalder 1973-10-3 7333 Sonoma Along Salmon Creek. 0.75 mile NW of Freestone. Comment
  SD37469  Salix lasiolepis Edith A. Purer 1932-7-24 4085 Sonoma Near Bodega Bay, sand dunes Comment
  UC453087  Salix lasiolepis W. A. Setchell 1931-7-25 8 Sonoma lower bank of Russian at Bohemian Grove (near Monte Rio) Comment
  UC453111  Salix lasiolepis W. A. Setchell 1931-8-1 25 Sonoma Jenner-by-the-Sea Comment
  UC517939  Salix lasiolepis W. A. Setchell 1934-3-17 Sonoma Monte Rio; right-hand side of road entering Bohemian Grove Comment
  UC517941  Salix lasiolepis W. A. Setchell 1934-3-17 Sonoma Monte Rio; left hand side of road entering Bohemian Grove Comment
  UC66161  Salix lasiolepis A. A. Heller 1902-3-11 5025 Sonoma hills 2 mi e Santa Rosa Comment
  RSA94338  Salix lasiolepis Peter Rubtzoff 1952-3-23 895 Sonoma S of the Upper Marsh. Comment
  CAS-BOT-BC107344  Salix lasiolepis var. bigelovii C. R. Ball; B. S. Ball 1933-5-6 2502 Sonoma 4 miles SW of Calistoga, on road to Petrified Forest, and just over Napa County line Comment
  CAS-BOT-BC107348  Salix lasiolepis var. bigelovii Peter Rubtzoff 1959-6-13 4136 Sonoma Willow Creek Marsh Comment
  RSA534500  Salix lasiolepis var. bigelovii Peter Rubtzoff 1959-6-13 4136 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC128317  Salix lasiolepis var. lasiolepis W. A. Setchell 1933-7-2 2 Sonoma Bohemian Grove, well away from the Russian River, Monte Rio Comment
  CAS-BOT-BC128320  Salix lasiolepis var. lasiolepis A. A. Heller 1902-8-23 5097 Sonoma Santa Rosa Creek, east of Santa Rosa Comment
  SEINET10417356  Salix lucida subsp. lasiandra A. A. Heller 1902-3-18 5098 Sonoma Santa Rosa Creek, E of Santa Rosa. Comment
  UC490560  Salix melanopsis Joseph P. Tracy 1932-5-8 9897 Sonoma Geyserville Northern Coast Ranges, Geyserville Comment
  LA208907  Salix scouleriana W. A. Setchell; 1934-7-10 6 Sonoma Coast Hwy, N of Fort Ross Comment
  UC482057  Salix scouleriana Baker, Ball, Bracelin, and Crum 1931-5-9 342 Sonoma 2 km. e. Occidental (on Occidental grade) Comment
  CAS-BOT-BC128911  Salix sitchensis A. A. Heller 1902-3-12 5044 Sonoma Sonoma Creek, foot of Mt. Hood Comment
  CAS-BOT-BC128913  Salix sitchensis A. A. Heller 1903-4-23 6602 Sonoma Fort Ross Comment
  HSC20115  Salix sitchensis Theodore J. Crovello 1964-9-3 605 Sonoma Brooks Gulch Marsh on Hwy. 1, just S of Bodega Comment
  JEPS46299  Salix sitchensis Eleanor Armstrong 1933-4-15 749 Sonoma small creek Bodega Bay 6 Comment
  UC482060  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 348 Sonoma 2 km. e. Bodega Bay (on Santa rosa-Bodega Hwy., Larkspur Rock) Comment
  UC482068  Salix sitchensis Baker, Ball, Bracelin, and Crum 1931-5-9 344 Sonoma 2 km. e. Bodega Bay (on Santa Rosa-Bodega Hwy., <Larkspur Rock>) Comment
  UC498691  Salix sitchensis Annetta Carter 1933-2-18 254 Sonoma 185 yds. from ocean Fort Ross (beside creek) 3 Comment
  UC524782  Salix sitchensis W. A. Setchell 1934-7-10 2 Sonoma opposite C. Call's house Fort Ross (Coast Hwy.) 30 Comment
  CHSC21957  Salvia sonomensis Robert A. Schlising 1962-3-31 2114 Sonoma California Coast Range. Along Cavedale Road, NE of Agua Caliente. Comment
  POM126741  Salvia sonomensis H. P. Chandler 1907-4-27 7545 Sonoma Napa County: St. Helena to Santa Rosa via spring Mt. Comment
  UCD128015  Sanicula bipinnatifida Caitlin Lewis; William Mutch 1993-4-17 1 Sonoma About 40 air miles north of San Francisco, 11 air miles east of Santa Rosa and 2.5 air miles northeast of Kenwood. In Adobe Canyon north of Sugarloaf Ridge and south of Red Mountain 1 mile. Near visitor center. 365 Comment
  RSA177952  Sanicula crassicaulis R. F. Thorne 1965-4-20 34325 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  CDA6116  Sanicula laciniata D. G. Kelch 2007-5-13 07 .295-B Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  RSA178040  Sanicula laciniata R. F. Thorne 1965-4-20 34388 Sonoma 4 miles up Cavedale Road, and 6 miles north of Sonoma 412 Comment
  UCD128030  Sanicula laciniata G. F. Hrusa; R. Gross 1996-3-8 12656 Sonoma Northcoast Biodiversity Arena, Foote Creek. Foote Ranch at corner of Ida Clayton Road and Highway 128. 250 Comment
  UC353906  Sanicula laciniata Milo S. Baker 1927-3-27 2031 a Sonoma above House at Maple Glen Comment
  HSC100945  Sanicula tuberosa Peter Warner, Patricia Chan 2011-3-12 181 Sonoma Annadel State Park, Canyon Trail, ~200 m upslope from 'big bend' in trail, near Woodview Drive. 176 Comment
  UCD128126  Scandix pecten-veneris Caitlin Lewis; William Mutch 1993-4-17 14 Sonoma About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 365 Comment
  UCD128133  Scandix pecten-veneris Robert F. Thorne 1965-4-19 34262 Sonoma Cotati, Waters Ranch. 30 Comment
  CAS-BOT-BC111632  Schoenoplectus californicus Peter Rubtzoff 1960-10-29 4573 Sonoma Bodega Harbor Marsh; freshwater part. Comment
  CAS-BOT-BC111634  Schoenoplectus californicus Peter Rubtzoff 1963-9-1 5249 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC111638  Schoenoplectus californicus Peter Rubtzoff 1971-9-1 6680 Sonoma Spring Creek Reservoir area. Comment
  RSA540068  Schoenoplectus californicus Peter Rubtzoff 1955-8-6 2020 Sonoma Bodega Harbor Marsh Comment
  RSA0019006  Schoenoplectus maritimus Peter Rubtzoff 1970-8-18 6306 Sonoma Five miles north of Sears Point. Comment
  CAS-BOT-BC111103  Scirpus microcarpus A. A. Heller 1902-6-24 5746 Sonoma Near Burke's Sanitarium Comment
  JEPS86771  Scirpus microcarpus Jack and Betty Guggolz 1990-6-19 1069 Sonoma bed Maacamas Creek on the Ferrari-Carano Ranch about 12 km e Healdsburg; Maacamas Creek on the Ferrari-Carano Ranch, e of Healdsburg 70 Comment
  UCD141248  Scirpus microcarpus Mary M. Hektner 1976-10-19 271 Sonoma just south of Irena Morgan's house on Pacific Reach, Unit 24 Owner's Map, Sea Ranch. Comment
  SBBG1055  Scoliopus bigelovii H. and M. Dearing 1939-5-14 3347 Sonoma near Monte Rio Comment
  POM14854  Scrophularia californica A. A. Heller, H. E. Brown 1902-4-17 5321 Sonoma Hills at Santa Rosa Comment
  RSA0022476  Scrophularia californica Peter Rubtzoff 1964-5-20 5307 Sonoma Bodega Bay Marsh. Comment
  RSA0022477  Scrophularia californica Peter Rubtzoff 1962-10-23 5122 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  UCD124561  Scrophularia californica Frederica Bowcutt 1994-5-21 1835 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. On side of hillside trail past the junction with Digger Pine trail approx. 1 mile. 411 Comment
  CDA40963  Scutellaria antirrhinoides T. C. Fuller 1958-5-24 4017 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  CAS-BOT-BC64096  Sedum radiatum subsp. radiatum A. A. Heller 1902-6-28 5789 Sonoma Between Knight's Valley and Mark West Springs Comment
  RSA0074774  Sedum spathulifolium Christopher Davidson 1977-6-17 5884 Sonoma Coast Hwy 1, ca. 3 miles N of Jenner. Comment
  UCD168042  Selaginella wallacei James A. Neilson Jr. 1981-3-13 3996 Sonoma Mayacmas Mountains, in Hummingbird Creek near mouth of a tributary. (Exact location unknown, coordinates estimated by label maker.) Comment
  JEPS19295  Selaginella wallacei C. F. Baker 1903-4-20 2746 Sonoma Napa-Sonoma-Lake Co. line Mt. St. Helena; inner N. Coast Ranges Comment
  CAS-BOT-BC363275  Senecio aronicoides Alice Eastwood 1917-5-13 s.n. Sonoma Bodega Bay Comment
  CAS-BOT-BC363428  Senecio aronicoides G. DeNevers 1981-4-25 817 Sonoma Pepperwood Ranch. Along Creek that runs past chicken and goat pens, hillside, near main Pepperwood entrance Comment
  CDA35516  Senecio jacobaea Ed Finley 1986-8-2 s.n. Sonoma Sea Ranch, Coast Hwy 1, west side, near marker 53.41. 0 Comment
  UCR279861  Senecio minimus Peter Rubtzoff 1954-8-13 1706 Sonoma Bodega Head Marsh 2 Comment
  CAS-BOT-BC364219  Senecio sylvaticus Peter Rubtzoff 1969-8-14 6135 Sonoma Coleman Marsh Comment
  CAS-BOT-BC364679  Senecio vulgaris John H. Thomas 1976-6-15 18312 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  SEINET10612339  Sequoia sempervirens A. Arthur Heller, H. E. Brown 1902-3-16 Heller 5080 Sonoma Russian River, Near Trenton. Comment
  YM-YOSE15451  Sequoia sempervirens Jesse Peter 10/1938 Sonoma 7 Miles South in Santa Rosa in Bennet Valley Comment
  CDA31828  Sesbania punicea C. Owens 2010-7-7 s.n. Sonoma In the vicinity of Santa Rosa on River Road. 0 Comment
  CAS-BOT-BC243536  Setaria faberi David L. Morgan 1958-4-6 s.n. Sonoma Highway 101, Sonoma-Marin County Line Comment
  UCD92720  Setaria pumila John Thomas Howell 1947-9-26 32976 Sonoma near Guerneville. Russian River. Comment
  CAS-BOT-BC290628  Sidalcea Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7814 Sonoma Kenwood Marsh. Comment
  UCR275254  Sidalcea Peter Rubtzoff 1974-5-26 7497 Sonoma Todd Road, 1.4 miles from Hwy 116 and 0.6 miles from Llano Road 29 Comment
  UC796565  Sidalcea diploscypha Roxana S. Ferris and Laura Lorraine 1948-6-9 11662 Sonoma on road to Kellogg 11 mi from Geyserville; 11 mi from Geyserville Comment
  UC1299201  Sidalcea diploscypha Freed W. Hoffman 1950-5-27 3592 Sonoma on Healdsburg-Guerneville Highway North Coast Ranges, Roy Litton Ranch (Roy Litton Ranch) Comment
  UCD116755  Sidalcea malachroides P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC540832  Sidalcea oregana subsp. valida Peter Rubtzoff; Rimo Bacigalupi 1979-8-6 9305 Sonoma Knights Valley. South side of Bavarian Lion Company ranch road, 1.25-1.5 miles west of its junction with Franz Valley Road. Comment
  CAS-BOT-BC320549  Silene Peter Rubtzoff 1969-8-14 6134 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway #1. Comment
  CAS-BOT-BC258685  Silene Peter Rubtzoff 1962-6-21 4935 Sonoma Laguna de Santa Rosa area northeast of Graton, east of Laguna Road. Comment
  UCD166326  Silene Peter Rubtzoff 1967-8-28 5860 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC361349  Silene coniflora Greg de Nevers 1997-4-24 10961 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC384579  Silene coniflora Milo S. Baker 1947-4-22 11689 Sonoma Hood Mt. above Gray Ranch near Kenwood Comment
  CAS-BOT-BC384436  Silene coronaria Peter Rubtzoff 1954-6-19 1498 Sonoma East Guernewood, near Guerneville Comment
  UCR253372  Silene gallica Peter Rubtzoff 1969-8-14 6134 Sonoma Along Salmon Creek, c. 0.5 mile upstream from Hwy #1 3 Comment
  CAS-BOT-BC392496  Silene gallica Alice Eastwood 1915-6-29 s.n. Sonoma Bodega Point Comment
  CAS-BOT-BC392500  Silene gallica John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53953 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngove on the west slope of Sonoma Mountain. 457 Comment
  UCD98975  Silene laciniata subsp. californica Roxana S. Ferris; Laura Lorraine 1961-6-15 13552 Sonoma Green Valley Road, 0.8 mile E of junction with Harrison Grade Road. Comment
  UC604116  Silene scouleri subsp. grandis Baker 1938-6-6 9026 Sonoma top of Bodega Rock Bodega Bay; North Bay Counties, , top of Bodega Rock Comment
  UC852864  Silene scouleri subsp. grandis Baker 1938-6-6 9026 Sonoma top of Bodega Rock North Bay Counties, Bodega Bay, top of Bodega Rock Comment
  SEINET7096766  Sisyrinchium bellum A. G. Vestal 1955-5-7 s.n. Sonoma On Jonive Road. Ca. 4.6 miles west of Sebastipol. NAD27, 38? deg. 22' 48ao, -122?_ 54' 01ao (converted to WGS84 decimal degrees) UTM Zone 10, 508701mE, 4247764mN. Comment
  UC496429  Sisyrinchium bellum Merle Randall 1930-6-10 Sonoma Shore road from Jenner to Fort Ross 91 Comment
  UC1585373  Smilacina racemosa R. Raiche, K. Zadnik, and H. Forbes 1989-10-1 UCBG 6 Sonoma 0.3 km e Stewarts Point (on Skaggs Springs-Stewarts Point Rd, nw-facing bank) 50 Comment
  CAS-BOT-BC361291  Solanum jasminoides Greg de Nevers 1993-5-15 10445 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  UC914097  Solanum physalifolium var. nitidibaccatum Herbert A. Thomas 1935-11-23 Sonoma Burbank Farm Comment
  CAS-BOT-BC156446  Solanum umbelliferum P. H. Raven 1951-5-20 2862 Sonoma Oakville to Glen Ellen 274 Comment
  UC424779  Solanum umbelliferum Milo S. Baker 1929-4-14 3489 b Sonoma Jensen's Ranch Comment
  CAS-BOT-BC365660  Solidago spathulata L. R. Abrams 1920-7-3 7608 Sonoma Near Stewarts Point Comment
  UCD136069  Solidago spathulata G. F. Hrusa; G. L. stebbins, J. McCaskill 1993-9-14 11419 Sonoma along Cavedale Road approximately 2.7 miles east of Highway 12. 400 Comment
  CAS-BOT-BC365257  Solidago velutina subsp. californica unspecified 1898-8-1 s.n. Sonoma San Raphael [Rafael] 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-BC173686  Soliva sessilis Peter Rubtzoff 1974-5-18 7433 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173701  Soliva sessilis Peter Rubtzoff 1960-5-18 4363 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC365961  Soliva sessilis Catherine Best 1984-4-22 930 Sonoma At the Buena Vista Winery about 1 mile south of Sonoma Comment
  CAS-BOT-BC365963  Soliva sessilis John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54672 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek 137 Comment
  CAS-BOT-BC374529  Sonchus asper Peter Rubtzoff 1951-7-21 517 Sonoma Pitkin Marsh, near Forestville. Area between the Upper and the Lower marshes Comment
  CAS-BOT-BC374530  Sonchus asper Peter Rubtzoff 1951-7-7 359 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  UCD133996  Sonchus asper subsp. asper Frederica Bowcutt; Jolie Henricks and Jeff Kennedy 1994-5-1 1772 Sonoma Sugarloaf Ridge State ParkAbout 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, 1.5 air miles NE of Kenwood and 18 air miles NW of Napa. In Adobe Canyon N of Sugarloaf Ridge along the S edge of Sonoma Creek at the parking lot/trail head of Goodspeed Trail. 198 Comment
  CAS-BOT-BC236527  Sorghum bicolor Walter Knight; Irja Knight 1963-10-11 428 Sonoma Marshall Ave., Petaluma 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
  UC813854  Sparganium erectum subsp. stoloniferum Roxana S. Ferris 1937-8-18 9373 Sonoma mouth of Salmon Creek Bodega Bay (on Bodega Bay) Comment
  SEINET11787288  Sparganium eurycarpum W. Knight, Knight, I. 1984-1 5012 Sonoma at Sea Ranch property 23 Comment
  SEINET12165196  Spartium junceum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -202 Sonoma "The Geysers", ca 14 mi ESE of Preston and US 101 on Geysers Rd 800 Comment
  CAS-BOT-BC251230  Spergula arvensis Peter Rubtzoff 1962-5-25 4837 Sonoma Laguna de Santa Rosa area, northeast of Graton, east of Laguna Road. Comment
  CAS-BOT-BC390046  Spergula arvensis Peter Rubtzoff 1952-3-23 880 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  CAS-BOT-BC320501  Spergularia Peter Rubtzoff; Nancy Harrison; Walter Lennon; Marion Weiger 1974-5-11 7399 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  RSA0022382  Spergularia Peter Rubtzoff 1971-7-9 6597 Sonoma 5 miles north of Sears Point. Comment
  SD39611  Spergularia macrotheca var. macrotheca Edith A. Purer 1932-7-21 4053 Sonoma Bodega Bay. Comment
  CAS-BOT-BC390729  Spergularia rubra Alice Eastwood; John Thomas Howell 1937-5-31 4503 Sonoma 6 miles north of Bodega Bay Comment
  CAS-BOT-BC390730  Spergularia rubra John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53937 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  SEINET11933368  Spergularia villosa W. Knight, Knight, I. 1984-1 5085 Sonoma near Gilardi's Resort, near Lakeville along Petaluma River Comment
  CDA20026  Sporobolus indicus McArthur 2002-8-21 PDR P 092675 Sonoma North Coast Ranges; Irrigated pasture on Shiloh Rd. 0 Comment
  CAS-BOT-BC500699  Stachys Peter Rubtzoff 1961-5-24 4603 Sonoma Upper Stemple Creek Marsh Comment
  SEINET13947995 Image available Stachys ajugoides A. A. Heller 1902-1 5782 Sonoma West of Windsor near Russian river Comment
  UC727698  Stachys ajugoides var. ajugoides Milo S. Baker 1946-7-27 11535 Sonoma n Sears Pt. (along hiwy.) Comment
  SEINET9361053  Stachys rigida var. quercetorum John Nelson, Wnek, Richard 2000-3-7 21352 Sonoma Guerneville Comment
  CAS-BOT-BC175336  Stellaria borealis subsp. sitchana Peter Rubtzoff 1951-6-9 153 Sonoma Northern half of Lower Marsh. The Pitkin Marsh, near Forestville Comment
  UCD99339  Stellaria borealis subsp. sitchana Mary M. Hektner 1974-6-27 77 8 Sonoma Unit 18 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC397769  Stellaria media G. DeNevers 1981-4-2 614 Sonoma Pepperwood Ranch; Along Studio Road at the Mesa. Comment
  RSA94647  Stellaria media Peter Rubtzoff 1952-3-23 882 Sonoma Pitkin Marsh: Open area separating the western branch of the Upper Marsh from the eastern. Comment
  CAS-BOT-BC405137  Stellaria nitens G. DeNevers 1982-2-21 1913 Sonoma Hill side above first serpentine road cut, end of canyon. Pine Flat Road. Blm. Comment
  UCR74759  Stipa formicarum M. E. Barkworth, D. Amme 1989-6-15 5170 Sonoma c. 2 mi north of Jenner on US Hwy 1 70 Comment
Read comments
Aug 4 2008
  UCR142044  Stipa lepida Beecher Crampton 1955-6-17 2966 Sonoma North Coast, 1.5 miles east of Fort Ross 366 Comment
  OBI35891  Stipa pulchra David J. Keil 1983-6-29 17205 Sonoma Ca. 10 mi SE of Ft. Ross along Hwy 1 Comment
  UCD167448  Streptanthus James Neilson 1983-6-13 4095 Sonoma East Austin Creek tributary. (On the same date Neilson was in the upper reaches of East Austin Creek, however the exact tributary is unknown. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC61157  Streptanthus barbiger R. D. Stone 1983-6-14 534 Sonoma Headwaters of Squaw Creek drainage, 0.8 mile northwest of Geyser Rock. 960 Comment
  UC1492708  Streptanthus brachiatus Freed W. Hoffman 1950-6-29 3436 Sonoma exposed ridge near Contact Mine (e of Pine Flat, on Sonoma-Lake Co. line); North Coast Ranges 914 Comment
  UCD72522  Streptanthus brachiatus Sharon Strauss 2007-6-28 s. n. Sonoma End of Pine Flat Road at Calpine 'The Geysers.' Up fire road 0.1 mile from parking area at gate. 973 Comment
  CAS-BOT-BC61231  Streptanthus breweri Herbert L. Mason 1946-7-4 12896 Sonoma 2 miles east of Occidental. Comment
  CAS-BOT-BC87240  Streptanthus glandulosus subsp. hoffmanii James L. Reveal 1988-6-1 6975 a Sonoma Along Geysers Road, 12.5 miles north of California Highway 128 and 15.5 miles east of US Highway 101. 762 Comment
  UC1322476  Streptanthus glandulosus subsp. secundus Jerry Powell 1966-5-18 608 Sonoma two mi e Healdsburg (steep sw-facing outcrop next to road) Comment
  UC1492785  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-6-4 2904 Sonoma along road at base of mt 2.2 mi from Healdsburg Park (e of Healdsburg); North Coast Ranges, Fitch Mountain Comment
  UC1492788  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1950-5-24 3395 Sonoma headwaters of East Austin Creek North Coast Ranges, The Island Comment
  UC1492791  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-6-16 2346 Sonoma Dorr's Cabin North Coast Ranges, upper East Austin Creek Comment
  UC985957  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1948-8-12 2355 Sonoma near headwaters Main Austin Creek; North Coast Ranges, Caughey Ranch Comment
  UC985960  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-7-29 1063 Sonoma Gabe's Rock North Coast Ranges, Poole Ridge (1 mi nw of Guerneville) Comment
  UC985968  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-5-22 Sonoma Gabe's Rock North Coast Ranges, Poole Ridge (1.0 mi nw of Guerneville) 213 Comment
  UC1292739  Streptanthus morrisonii Freed W. Hoffman 1946-8-29 1028 Sonoma Red Slide, Bargeman Creek North Coast Ranges Comment
  UCD167022  Streptanthus morrisonii James Neilson 1981-7-1 4046 Sonoma Mayacmas Mountains. Abril Ridge. (Abril Ridge assumed to be on Abril property which, based on other Neilson collections, includes T11N R9W Sect. 15. Exact location unknown, coordinates estimated by label maker.) Comment
  UCD167335  Streptanthus morrisonii James A. Neilson Jr. 1980-6-16 3983 Sonoma Mayacmas Mountains. On unnamed tributary of Little Sulphur Creek above Healdsburg-Geysers Road. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD167365  Streptanthus morrisonii James Neilson Date Unknown 4059 Sonoma Hillside due east of Layton Mines. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD167450  Streptanthus morrisonii James Neilson 1983-6-13 4098 Sonoma headwaters of East Austin Creek. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UC1492812  Streptanthus tortuosus Freed W. Hoffman 1949-7-9 2849 Sonoma on road from Healdsburg to Geysers 1.4 mi from Geyser-Cloverdale road (ledge 200 ft above road); North Coast Ranges 624 Comment
  UCD161863  Streptanthus tortuosus James A. Neilson Jr. 1978-6-13 3966 Sonoma Mayacmas Mountains. Lookout tower on Mount St. Helena. (Exact location unknown. Coordinates estimated by label maker.) Comment
  RSA799983  Symphoricarpos Peter Rubtzoff 1961-9-6 4735 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  UCD166492  Symphoricarpos Peter Rubtzoff 1961-9-6 4735 Sonoma Laguna de Santa Rosa area northeast of Graton. Comment
  CAS-BOT-BC540811  Symphoricarpos Peter Rubtzoff 1966-6-5 5754 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC540813  Symphoricarpos Peter Rubtzoff 1970-6-14 6259 Sonoma Marsh on River Road, about 3 miles west of Fulton. Comment
  UCD137411  Symphoricarpos albus var. laevigatus Frederica Bowcutt; Jeff Kennedy , Jolie Henricks 1994-5-1 1763 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa; about 18 air miles NW of Napa; about 1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along the Goodspeed Trail about 200 yards from the trail head on Adobe Canyon Rd and just E of Bear Creek about 5 yards N of confluence w/ Sonoma Creek. 198 Comment
  CAS-BOT-BC97816  Symphyotrichum chilense Peter Rubtzoff 1958-8-9 3826 Sonoma Laguna de Santa Rosa north of Sebastopol (nr. Occidental Road) Comment
  CAS-BOT-BC97834  Symphyotrichum chilense Walter Knight; Irja Knight 1984-9-26 5236 Sonoma 5.9 mi. up Cavevale Rd. Comment
  CAS-BOT-BC98570  Symphyotrichum lentum Peter Rubtzoff 1961-9-6 4733 Sonoma Laguna de Santa Rosa area northeast of Graton - Sonoma County Marshes Comment
  CAS-BOT-BC221963  Taeniatherum caput-medusae John Thomas Howell; Walter Knight; Irja Knight 1987-5-27 6235 Sonoma Todd Road Preserve 24 Comment
  CDA16157  Taeniatherum caput-medusae G. F. Hrusa, R. Gross 1999-6-12 15078 Sonoma North Coast Ranges; Foote Ranch, corner of Ida Clayton Rd & Hwy 128, Knights Valley. 152 Comment
Read comments
Jul 28 2008
  SEINET10575096  Tamarix parviflora John F. Gaskin 1998-7-2 Gaskin 78 Sonoma Hyde and Pearson Road, E 150 yds to corner. Comment
  CAS-BOT-BC366875  Thalictrum polycarpum Greg de Nevers 1998-4-27 11201 Sonoma Calistoga Road at Alpine Road, along Mark West Creek 121 Comment
  CAS-BOT-BC399887  Thalictrum polycarpum Greg de Nevers 1996-4-21 10796 A Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 487 Comment
  CAS-BOT-BC66818  Thysanocarpus curvipes A. A. Heller; H. E. Brown 1902-3-21 5114 Sonoma Hills southeast of Santa Rosa. Comment
  CAS-BOT-BC66815  Thysanocarpus curvipes G. DeNevers 1981-3-25 559 Sonoma Pepperwood Ranch. On Franz Valley Road below Walter Wards house. Comment
  CAS-BOT-BC66824  Thysanocarpus curvipes Elmer I. Applegate 1934-3-25 8847 Sonoma West slope of Mayacama Mountains. Comment
  CAS-BOT-BC66951  Thysanocarpus laciniatus John Thomas Howell 1934-3-27 11802 Sonoma Santa Rosa Creek Canyon. Comment
  CAS-BOT-BC67336  Thysanocarpus radians John Thomas Howell 1931-4-2 6041 Sonoma Boyes Springs. Comment
  UC570910  Tiarella trifoliata var. unifoliata H. L. Mason 1928-7-11 4888 Sonoma Canyon 2 mi n Fort Ross; n of Fort Ross Comment
  UC909775  Torilis arvensis Milo S. Baker June 1950 12277 Sonoma South end of bridge across Sonoma Creek at Baker Ranch near Kenwood. Comment
  UCR218632  Torilis arvensis George K. Helmkamp, E. A. Helmkamp 2010-6-4 16214 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
  UC1084739  Torilis arvensis Milo S. Baker May 1957 13121 Sonoma Brookside Garden Comment
  RSA669740  Toxicodendron diversilobum G. D. Barbe 1974-4-29 1783 Sonoma Asti Road ca. 1 mile south of Washington School Road, Asti, creek at south edge of vineyard Comment
  SEINET12238544  Toxicodendron diversilobum F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -266 Sonoma ca 10 mi from Warm Springs Dam on Old Stewart Point-Skaggs Springs Rd 150 Comment
  CDA8947  Tracyina rostrata J. T. Howell 1967-6-17 42599 Sonoma Near ranch house on Arthur E. Cooley ranch at forks of Dry & Galloway Creeks. Northern Sonoma County. Comment
  UCD125875  Trichostema laxum Herbert L. Mason 1946-7-4 12897 Sonoma 2 miles east of Occidental. Comment
  POM312557  Trichostema laxum H. L. Mason 1946-7-4 12897 Sonoma 2 miles east of Occidental. Comment
  SEINET6174104 Image available Trientalis europaea var. latifolia Sally Walker 1981-5-25 Sonoma 3 miles west of Occidental Sonoma co. Comment
  SEINET8729726 Image available Trientalis europaea var. latifolia Martha Meagher 1947-1 102 Sonoma County road one-half mile west of Freezeout Creek, across Russian River from Duncan's Mills. Comment
  UCD117594  Trientalis latifolia M. Wiesendanger 1927-5-5 738 Sonoma Kenwood Springs. Comment
  SEINET11971029  Trientalis latifolia Unknown 1947-1 102 Sonoma 0.5 mi W of Freezeout Creek, across Russian River from Duncans Mills Comment
  CAS-BOT-BC166755  Trifolium Peter Rubtzoff 1974-8-5 7815 Sonoma Kenwood Marsh. Comment
  RSA784985  Trifolium Peter Rubtzoff 1974-4-17 7373 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC166769  Trifolium Peter Rubtzoff 1974-5-18 7420 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173531  Trifolium Peter Rubtzoff 1974-5-18 7431 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173533  Trifolium Peter Rubtzoff 1974-5-19 7440 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC210048  Trifolium Peter Rubtzoff 1974-5-18 7432 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  RSA784988  Trifolium Peter Rubtzoff 1974-5-18 7418 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA784991  Trifolium Peter Rubtzoff 1974-5-18 7427 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  RSA784997  Trifolium Peter Rubtzoff 1974-5-26 7496 Sonoma Todd Road 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC217059  Trifolium amoenum J. W. Congdon 1880-5-1 s.n. Sonoma Santa Rosa Comment
  UC630864  Trifolium barbigerum C. V. Piper 1904-5-27 6350 Sonoma Petaluma Comment
  CAS-BOT-BC361357  Trifolium bifidum var. bifidum Greg de Nevers 1997-4-16 10940 Sonoma Cavedale Road Area burned Sept. 1996 152 Comment
  NY33717  Trifolium bifidum var. decipiens J. M. Bigelow 1853-1 404 Sonoma Comment
  SEINET12166393  Trifolium campestre H. K. Wagnon 1989-1 1891 Sonoma Jack London State Park Comment
  UCD108258  Trifolium ciliolatum Erik Beever 1993-5-8 230 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Pony Gate Trail. 365 Comment
  UCSC005301  Trifolium depauperatum Randall Morgan 1995-5-18 2627 Sonoma Windsor, Shiloh Road, west of Skylane 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
  UCD108381  Trifolium depauperatum var. depauperatum Christine Lee 1993-4-24 91 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Hillside Trail. 411 Comment
  JEPS65732  Trifolium depauperatum var. truncatum Milo S. Baker 1934-3-27 7583 Sonoma near vernal pool (Bennett Valley) Comment
  POM21428  Trifolium depauperatum var. truncatum A. A. Heller, H. E. Brown 1902-4-8 5229 Sonoma Bennett Valley, southeast of Santa Rosa. Comment
  UCD108545  Trifolium depauperatum var. truncatum R. Tofsrud 1951-5-27 s.n. Sonoma Daken's place near Mark West Springs. Comment
  UCD33226  Trifolium dichotomum Beecher Crampton 1967-5-15 7927 Sonoma Lytton. Comment
  UCSC010687  Trifolium dichotomum R. Morgan 1995-5-18 2612 Sonoma Serpentine outcrop 4 miles up Coleman Valley Road from Occidental Comment
  UCD167338  Trifolium dubium James A. Neilson Jr. 1983-5-9 4091 Sonoma Mayacmas Mountains. About 3 mi north of beginning of Geysers-Healsderg Rd. (Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC361293  Trifolium fragiferum Greg de Nevers 1993-8-21 10490 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  UCR254855  Trifolium fragiferum Greg de Nevers 1995-6-16 10755 Sonoma Knights Valley Marsh on Bavarian Lion Ranch 197 Comment
  UC631613  Trifolium fucatum P. B. Kennedy 1928-5-13 10151 Sonoma Sonoma to San Rafeal hwy Comment
  UC866777  Trifolium fucatum Alice Eastwood 1917-5-13 Sonoma rd to Bodega Point Comment
  UCR152106  Trifolium grayi Beecher Crampton 1955-4-5 2407 Sonoma 2 mi west of Futlon, along Woolsey Road 35 Comment
  UCD143711  Trifolium grayi Beecher Crampton 1955-4-5 2416 Sonoma western boundary of the Sonoma County Airport, 2.5 miles south of Windsor. Comment
  UCD37561  Trifolium grayi Beecher Crampton 1955-4-5 2407 Sonoma 2 miles west of Fulton, along Woolsey Road. Comment
  SJSU7956  Trifolium hirtum C. C. DeMartini 1961-5-7 Sonoma Healdsburg Comment
  SEINET12165542  Trifolium incarnatum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -158 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd., between Jimtown & Mercuryville 120 Comment
  UC1784222  Trifolium macraei Milo S. Baker 1932-5-3 5914 Sonoma Highway south of Stewart's Point Comment
  CDA121  Trifolium repens D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .277 Sonoma Cavedale Rd. Comment
  RSA517355  Trifolium subterraneum L. T. Dempster 1958-5-24 1105 Sonoma Pitkin Marsh (on Pitkin Ranch). Comment
  SEINET12165539  Trifolium subterraneum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -194 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 630 Comment
  UCR141953  Trifolium willdenovii Beecher Crampton 1967-5-15 7925 Sonoma Coast Range, Lytton, Alexander Valley 122 Comment
  UCD35299  Trifolium willdenovii Beecher Crampton 1955-4-5 2422 Sonoma Aong state Highway 104, 3 miles west of Schellville. Comment
  OBI78224  Trifolium wormskioldii Michener & Bioletti, Bioletti May1893 s.n. Sonoma Kenwood Comment
  UC1130177  Trifolium wormskioldii H. S. Yates 1934-4-21 3785 Sonoma near Bodega; Sebastopol Quad. 91 Comment
  CDA28069  Trifolium wormskioldii M. S. Bergseng 1959-8-4 3809 Sonoma Sonoma Coast State Park. 0 Comment
  SEINET5869493 Image available Triglochin maritima L. S. Rose 1964-1 64055 Sonoma N end of Bodega Bay Comment
  CAS-BOT-BC520847  Trillium albidum J. W. Congdon 1880-3-1 s.n. Sonoma Near Santa Rosa 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
  HSC22046  Trillium chloropetalum var. chloropetalum F. Demostene 1966-4-11 40 Sonoma 25 mi. W of Healdsburg Comment
  SEINET10534311  Trillium ovatum David B. Dunn, Melvin L. Conrad; Katherine L. Morris 1973-6-9 Dunn 20705 Sonoma 2 mi NW of Forestville on Hwy 116, Douglas Fir forest with some Oaks. Comment
  SEINET12050391  Trillium ovatum F. H. Utech 1988-1 88 -008 Sonoma 3 mi S of Ft. Ross Historic Site & junction with Ft. Ross Rd on CA 1 100 Comment
  CHSC37363  Triphysaria versicolor subsp. faucibarbata R. M. Winchell 1980-4-20 1 Sonoma Along hillside of Bennet Valley Road. Comment
  CAS-BOT-BC200101  Trisetum canescens G. DeNevers 1981-5-20 1231 Sonoma Leslie Creek and Mark West Creek Comment
  CAS-BOT-BC200103  Trisetum canescens G. DeNevers 1982-5-18 2028 Sonoma At road's end at the Redwoods, Pepperwood Ranch Comment
  CAS-BOT-BC227654  Trisetum canescens Peter Rubtzoff 1971-6-25 6570 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 mi. southeast of Salmon Creek crossing. Comment
  RSA784396  Trisetum canescens Peter Rubtzoff 1958-5-30 3683 Sonoma Duncans Mill Marsh. At edge of the redwood forest bordering the marsh in west. Comment
  UC1133278  Trisetum canescens H. S. Yates 1936-5-16 5609 Sonoma 1 mi nw Mountain View School; Sebastopol Quad. 91 Comment
  UCD93498  Trisetum canescens Beecher Crampton 1955-6-17 2950 Sonoma 4.5 miles S of Cazadero. Comment
  UCD93598  Trisetum canescens P. B. Kennedy 1915-6-1 s.n. Sonoma Northern. Del Mar. Comment
  UCD93590  Trisetum canescens Freed W. Hoffman 1943-6-6 2212 Sonoma Coast road near Bridgehaven. Comment
  UC1222814  Triteleia hyacinthina Joseph P. Tracy 1950-5-24 18686 Sonoma where the Knight's Valley Road enters Alexander Valley and leaves Mayacamas Creek; , Alexander Valley Comment
  CAS-BOT-BC522360  Triteleia hyacinthina Peter Rubtzoff 1969-5-11 6042 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner road. Comment
  CAS-BOT-BC523026  Triteleia hyacinthina David D. Keck 1933-5-28 2322 Sonoma 3.4 miles east of Shellville (just east intersection of Sonoma road). Comment
  UCD139377  Triteleia laxa Frederica Bowcutt 1994-6-12 1863 Sonoma Sugarloaf Ridge State Park. about 50 air miles north of San Francisco, 10 air miles east of Santa Rosa, 1.5 air miles north of Kenwood, and 18 air mles NW of Napa. Adobe Canyon north of Sonoma Creek, north of Adobe Canyon Road, About 50 yards N. of Pony Gate trail juncture. 432 Comment
  UC1084454  Triteleia peduncularis G. Thomas Robbins 1937-6-5 216 Sonoma ca 10 mi w Santa Rosa (Pitkin Ranch); Vine Hill region Comment
  CAS-BOT-BC527977  Triteleia peduncularis Peter Rubtzoff 1962-6-19 4924 Sonoma Occidental Marsh Comment
  UC1220418  Tsuga heterophylla B. F. Smith 1962-10-24 29 Sonoma 3.5 mi se of Gualala; Quad. 61C2 182 Comment
  RSA216176  Typha domingensis Peter Rubtzoff 1955-8-21 2090 Sonoma Vacation Beach, near Guerneville. Near the margin of the Russian River. Comment
  SD69963  Ulex europaeus Darley Howe 1968-5-21 4520 Sonoma 3.7 miles south of Bodega Bay on route 1 Comment
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Feb 6 2013
  RSA201762  Umbellularia californica Louise Krozek 1965-2-22 1 Sonoma Mill Creek Road, 10 miles east of Healdsburg. Comment
  CDA7733  Uropappus lindleyi D. G. Kelch 2007-5-13 7 .294 Sonoma Bouverie Preserve; E of Hwy 12 near Glen Ellen. Comment
  CAS-BOT-BC403989  Urtica dioica subsp. gracilis L. R. Abrams 1920-7-3 7601 Sonoma Gualala River near Mendocino--Sonoma Co. Line Comment
  SEINET14053332  Urtica dioica subsp. holosericea Duaccares Ueills 1943-1 Sonoma roadside Comment
  UC1121134  Vaccinium ovatum E. Armstrong 1934-3-26 948 Sonoma Camp Meeker Sebastopol Quad. 91 Comment
  UCD118088  Vaccinium ovatum A. T. Leiser 1968-1-16 s.n. Sonoma N. end of ridge, Sea Ranch. 91 Comment
  CAS-BOT-BC76170  Vancouveria planipetala Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  CAS-BOT-BC76169  Vancouveria planipetala M. S. Baker 1899-5-6 s.n. Sonoma Green Valley, near Gallagher's. Comment
  JEPS62207  Veratrum fimbriatum Milo S. Baker 1920-9-20 Sonoma 2 mi n Stewart's Point Comment
  CAS-BOT-BC135766  Veratrum fimbriatum Hugh Leech 1964-10-12 s.n. Sonoma Confluence of Gualala River and Wheatfield Branch Comment
  CAS-BOT-BC154140  Verbascum Peter Rubtzoff 1954-7-27 1565 Sonoma [Guernerville] Guerneville Marsh Comment
  CDA16001  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15681 Sonoma North Coast Biodiversity Arena; Dry bed of Leslie Creek, 1/4 mi. above confluence with Mark West Ck. Sheet 1 of 2. Comment
  CDA29820  Verbascum bombyciferum G. F. Hrusa, M. Gillogly 2000-7-26 15682 a Sonoma North Coast Biodiversity Arena; Along Leslie Creek approx. 1/4 mi. above Mark West Springs road crossing. Sheet 1 of 3. Comment
  POM64648  Verbena lasiostachys var. lasiostachys A. A. Heller 1902-6-27 5785 Sonoma West of Windsor near Russian river. Comment
  CAS-BOT-BC262805  Veronica Peter Rubtzoff 1974-9-7 7867 Sonoma Hinebaugh Creek in Rohnert Park, west of Commerce Blvd. crossing of the creek. Comment
  UCD166504  Veronica Peter Rubtzoff 1959-4-18 4025 Sonoma Laguna de Santa Rosa northeast of Graton, ca. 1/2 mi. north of the Guerneville road crossing. Comment
  UCR244667  Veronica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 miles east of Guerneville, at 9981 Old River Road 16 Comment
  CAS-BOT-BC269309  Veronica Peter Rubtzoff 1971-5-8 6447 Sonoma Pitkin Marsh, near Forestville. Western border of the marsh near end of Templeman Road. Comment
  CAS-BOT-BC177115  Veronica americana Peter Rubtzoff 1954-8-13 1711 Sonoma Bodega Head Marsh. Comment
  UCD166123  Veronica persica Peter Rubtzoff 1969-3-30 6005 Sonoma Forest Hills, 5.5 mi. east of Guerneville. At 9981 Old River Road. 16 Comment
  CAS-BOT-BC257965  Vicia Peter Rubtzoff 1974-5-25 7457 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC258031  Vicia Peter Rubtzoff 1970-8-25 6339 Sonoma Austin Creek beach 0.5 miles north of Cazadero. Comment
  RSA600857  Vicia cracca Joseph A. Ewan 1935-5-13 9244 Sonoma 2.5 miles west of Santa Rosa: Sebastopol Road. Comment
  JEPS66188  Vicia pannonica Milo S. Baker May 1931 5162 Sonoma Rincon School Rincon Valley (Rincon Valley, in Austin's field just n of highway) Comment
  CHSC33020  Vicia sativa Jane A. Rogers 1979-4-14 5 Sonoma Ca. 50 yds e of end of Hart Lane, ca. 1/2 mi. n of intersection of Hwy. 12 and Duer Rd., ca. 1 mi. e of Sebastopol. 27 Comment
  RSA29239  Vicia sativa Joseph A. Ewan 1935-5-13 9245 Sonoma 2.5 miles west of Santa Rosa: Sebastopol Road. Comment
  UCD108915  Vicia sativa subsp. nigra Freed W. Hoffman 1947-4-7 1895 Sonoma Between Healdsburg and Calistoga. Comment
  JEPS77260  Vicia sativa subsp. sativa Robert M. Lloyd 1963-4-24 2397 Sonoma on road to Oakdale (16.0 mi from State Highway) 274 Comment
  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
  UCR142293  Viola G. F. Pratt, C. Pierce 2003-5-15 s.n. Sonoma North Coast, Salt Point State Park 122 Comment
  POM135111  Viola adunca A. A. Heller, H. E. Brown 1902-3-29 5179 Sonoma Bodega Bay Comment
  POM134840  Viola douglasii A. A. Heller, H. E. Brown 1902-3-14 5062 Sonoma Near Windsor. Comment
  UC1761626  Viola douglasii Dorothy Bately 1932-2-19 Sonoma Santa Rosa Golf Links Comment
  UC1742214  Viola floridana Milo S. Baker 1937-1 Sonoma Brookside Garden Comment
  CAS-BOT-BC536902  Viola glabella Volney Rattan 1880-4-1 s.n. Sonoma Duncans Mill Comment
  CAS-BOT-BC536904  Viola glabella Mildred Parks 1925-7-20 s.n. Sonoma Stewarts Point Comment
  CAS-BOT-BC536908  Viola glabella Peter Rubtzoff 1958-5-30 3682 Sonoma Sonoma County Marshes: Duncans Mills Marsh at the border of the upper part of the Marsh Comment
  UCD110882  Viola glabella R. H. Miller 1949-4-6 26 Sonoma Beside Highway 12, 5 miles SE of Monte Rio. Comment
  JEPS18183  Viola lobata subsp. integrifolia Rimo Bacigalupi with F. Chisaki and G. T. Robbins 1956-4-17 5588 Sonoma 1.4 mi w of Lake County Line (along Ida Clayton Road, 7.2 mi from its Kellogg Valley end) 762 Comment
  UC19288  Viola lobata subsp. lobata F. T. Bioletti 1892-1 Sonoma Hood's Peak Comment
  UCD110694  Viola ocellata Frederica Bowcutt 1996-5-22 2143 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 1.25 air miles SW of Red Mountain. Along Canyon Trail near lower elev trailhead. Just N of Sonoma Creek. Down slope of Adobe Canyon Road. 231 Comment
  CHSC26275  Viola sempervirens P. Kunst 1977-4-12 25 Sonoma Ca. 3 ft to sw of Coleman Valley Rd and 0.8 mi w of Occidental. 207 Comment
  UC1761303  Viola sempervirens Mary Eloise Bauder 1929-6-4 4 Sonoma Pocket Canyon Guerneville Comment
  UC1761661  Viola sempervirens Mary Eloise Bauder 1929-5-25 3 Sonoma Pocket Canyon Guerneville Comment
  UC75664  Viola sempervirens Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  CAS-BOT-BC135297  Viscum album William O. McCartney 1966-5-4 s.n. Sonoma in a residential property, NW corner of Mill Station Road and Gravestein North Highway, Sebastopol Comment
  UC1312954  Viscum album William O. McCartney 1966-5-4 Sonoma nw corner of Mill Station Road and Gravenstein North Highway Sebastopol Comment
  CAS-BOT-BC203137  Vitis californica A. A. Heller 1902-6-24 5760 Sonoma Near Burke's Sanitarium Comment
  HSC95746  Vitis californica C. Wistrom 1996-5-26 25 Sonoma 1601 Dry Creek Rd. 49 Comment
  UC18631  Vitis californica H. N. Bolander June, 1867 Sonoma Cloverdale Russian River (banks of river) Comment
  UCD102856  Vitis californica C. Wistrom 1996-5-26 25 Sonoma Healdsburg. 1601 Dry Creek Road. 48 Comment
  CAS-BOT-BC385058  Vitis californica G. de Nevers 1981-6-4 1434 Sonoma Pepperwood Ranch, by bridge south of the green gate Comment
  SEINET10691477  Vitis californica John H. Redfield 1872-8-26 Redfield 1106 Sonoma Geysers Comment
  UCD17549  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma 2 miles N on Upper Lake Highway, E of Ukiah. Near first highway bridge. Comment
  CAS-BOT-BC385077  Vitis girdiana L. R. Abrams 1916-7-4 5799 Sonoma Road between Petrified Forest and Mark West Comment
  UC1023600  Vulpia Virginia Bufford 1936-5-1 177 Sonoma 2 mi above Duncan's Mill Comment
  CAS-BOT-BC199909  Vulpia bromoides Peter Rubtzoff 1955-5-21 1878 Sonoma Ross Marsh Comment
  CAS-BOT-BC311800  Vulpia bromoides Peter Rubtzoff 1959-6-20 4188 Sonoma Willow Creek Marsh. 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
  UCD93850  Vulpia microstachys var. ciliata L. Koch 1940-4-22 835 Sonoma Sulphur Creek Geysers. Comment