Search Results — 2000 specimen records retrieved (1259 records with coordinates)
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 Please cite data retrieved from this page: Data provided by the participants of the Consortium of California Herbaria (ucjeps.berkeley.edu/consortium/).
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? Specimen ID Determination * Collector Collection Date Collection Number County Locality Elevation in meters Feedback
  UCD14884  Abronia latifolia Chris Chan 1991-3-5 4 Sonoma California, Sonoma Co.; at the University of California Bodega Marine Lab; 33 Comment
  UCD160512  Acaena novae-zelandiae Daniel Potter; T. Harrington, M. Harrington, P. Lash, T. Potter. 2013-10-24 701 Sonoma Salt Point State Park, along Highway 1 at mile marker 43.37. 56 Comment
  UCD160513  Acaena novae-zelandiae Daniel Potter; T. Harrington, M. Harrington, P. Lash, T. Potter. 2013-10-24 701 Sonoma Salt Point State Park, along Highway 1 at mile marker 43.37. 56 Comment
  POM136899  Acer macrophyllum A. A. Heller, H. E. Brown 1902-3-21 8912 Sonoma Hills southeast of Santa Rosa Comment
  UC18123  Acer macrophyllum W. H. Brewer 1862-4-18 960 Sonoma near Sonoma; near Sonoma Comment
  POM136900  Acer negundo subsp. californicum A. A. Heller, H. E. Brown 1902-4-15 5303 Sonoma Santa Rosa Creek Comment
  CAS-BOT-BC336941  Acer negundo var. californicum Peter Rubtzoff 1970-8-31 6347 Sonoma In thicket along sandy bank of Russian River at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC336942  Acer negundo var. californicum Irja Knight; Walter Knight 1964-11-3 761 Sonoma Sonoma Mt. Road. Between Folger Ranch and Enterprise Rd. Comment
  CAS-BOT-BC400007  Achlys triphylla Greg de Nevers; Susan Charnley 1987-3-28 8129 Sonoma Sea Ranch, along the Gualala River 20 Comment
  CAS-BOT-BC166797  Achyrachaena mollis Peter Rubtzoff 1974-5-18 7425 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC29168  Achyrachaena mollis Barrett Anderson 1987-4-27 3454 Sonoma Petaluma, south of El Rose and west of D Street. 120 Comment
  RSA783728  Achyrachaena mollis Peter Rubtzoff 1963-6-18 5180 Sonoma Bennett Mountain Lake. Comment
  UCD103760  Acmispon junceus var. biolettii Frederica Bowcutt 1984-6-23 448 Sonoma Salt Point State Park. Approx. 20 miles north of Jenner and 80 miles south of Fort Bragg on the Sonoma County coast. West of Highway 1, approx. 1/3 mile north of Gerstle Cove. 15 Comment
  UCD104330  Acmispon parviflorus Helen K. Sharsmith 1963-5-25 5475 Sonoma Road from Freestone to Occidental. 121 Comment
  CAS-BOT-BC29847  Adenocaulon bicolor Volney Rattan 1877-6-17 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC139920  Adenostoma fasciculatum A. A. Heller 1902-6-23 5741 Sonoma Petrified Forest Comment
  RSA12257  Adiantum aleuticum C. B. Wolf 1934-6-29 5802 Sonoma 6/10 of a mile inland from Stewart's Point. 61 Comment
  UCD148509  Adiantum aleuticum Peter Rubtzoff 1965-10-10 5657 Sonoma Duncans Mills Marsh. Comment
  SJSU2057  Adiantum capillus-veneris A. Bascom 1958-5-16 Sonoma Crane Valley Rd 16 mi SE of Santa Rosa Comment
  UC1193407  Adiantum jordanii P. Zinke 1950-4-25 113 Sonoma Oat Valley; Quadrangle 61A4 182 Comment
  HSC937  Adiantum jordanii F. Demostene 1966-4-8 33 Sonoma 25 mi. W of Healdsburg Comment
  UC1201284  Adiantum jordanii E. Samuels 230 Sonoma Comment
  RSA0065937  Aegilops triuncialis Greg de Nevers 1989-04 9066 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd, Santa Rosa. 100 Comment
  CAS-BOT-BC202704  Aesculus californica A. A. Heller 1902-6-4 5644 Sonoma Santa Rosa Comment
  SEINET12237640  Aesculus californica F. H. Utech 1986-1 86 -103 Sonoma ca 1.5 mi NE on Cavedale Road from junction with CA 12 100 Comment
  UCSC005106  Aesculus californica Lulu Waks 2006-10-15 16 Sonoma Bloomfield, Bloomfield Rd. to Sutton St. Private residence on Sutton St. Comment
  JEPS117102  Agoseris apargioides Peter Warner 2010-6-14 166 Sonoma Jenner Headlands, upper Jenner Pastlure, ~ 300 m, N 76 deg. E of residence house, just downslope from ultramafic outcrop in coastal grassland; above Jenner Gulch near power line overhead and small stand of Douglas-fir Comment
  UCD128637  Agoseris apargioides var. apargioides P. G. Connors 1992-5-14 257 Sonoma Bodega Marine Laboratory, Bodega Head and Dunes. Comment
  CAS-BOT-BC29575  Agoseris apargioides var. eastwoodiae Roxana S. Ferris 1932-5-27 8258 Sonoma Cliffs at upper end of Bodega Bay Comment
  CAS-BOT-BC13169  Agoseris hirsuta A. A. Heller 1902-6-2 5632 Sonoma Santa Rosa Comment
  CAS-BOT-BC166700  Agrostis Peter Rubtzoff 1974-5-25 7453 Sonoma Upper Green Valley Marsh Comment
  RSA785930  Agrostis Peter Rubtzoff 1968-7-13 5918 Sonoma Upper Salmon Creek Marsh. Comment
  UCD166338  Agrostis Peter Rubtzoff 1968-8-24 5933 Sonoma Upper Salmon Creek Marsh. Comment
  UCR244644  Agrostis Peter Rubtzoff 1964-6-24 5368 Sonoma Lower Salmon Creek Marsh 6 Comment
  SEINET10717804  Agrostis P. Rubtzoff 1967-8-22 Rubtzoff 5857 Sonoma SE of Lower Salmon Creek Marsh. Comment
  UCD51839  Agrostis blasdalei Beecher Crampton 1957-7-22 4390 Sonoma above Stillwater Cove, State Hwy. 1, 11.1 miles south Stewart's Point. Comment
  SEINET249772  Agrostis clivicola Beecher Crampton 1957-7-11 4351 Sonoma 9 miles north of Salmon Creek, Sonoma Coast State Park, just south of Goat Rock, along pathway to Blind Beach. Comment
  CHSC100546  Agrostis densiflora Beecher Crampton 1957-7-11 4320 Sonoma 0.5 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD37150  Agrostis densiflora Beecher Crampton 1957-7-11 4328 Sonoma Sonoma County, 0.9 mile north of Salmon Creek, Sonoma Coast State Park, along State Highway 1. Comment
  UCD51891  Agrostis densiflora Beecher Crampton 1957-7-22 4397 Sonoma 1/4 mile north of Fort Ross, State Hwy. 1. Comment
  UCD51975  Agrostis densiflora Freed W. Hoffman 1944-5-27 1988 Sonoma Wright's Beach. Comment
  UCD51987  Agrostis densiflora Beecher Crampton 1957-7-11 4329 Sonoma Sonoma Coast State Park, 0.9 miles north of Salmon Creek. Comment
  UCD52003  Agrostis densiflora Beecher Crampton 1957-7-11 4343 Sonoma Duncan's Point, Sonoma Coast State Park, 4.6 miles north of Salmon Creek. Comment
  CAS-BOT-BC126976  Agrostis exarata Catherine Best 1981-6-5 s.n. Sonoma Skaggs Spring Road. 15 miles east of Stewarts Point. Comment
  UCD52078  Agrostis exarata Beecher Crampton 1959-6-16 5391 Sonoma 2 miles E of Occidental, Jonive School area. Comment
  UCD53510  Agrostis exarata P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  CDA13129  Agrostis exarata var. monolepis G. F. Hrusa, R. Gross 1996-6-3 13064 Sonoma North Coast Biodiversity Arena; W end of Diamond Mtn. Rd. Lower of two pools, approx 150 meters apart. 2 m. SW of Calistoga. Comment
  UC70788  Agrostis hallii F. T. Bioletti 1893-6-5 Sonoma Los Guilicos Valley Comment
  UCD38726  Agrostis hallii Beecher Crampton 1957-7-11 4300 Sonoma 1.4 miles southeast of Bodega Bay. Comment
  UCD52696  Agrostis hallii B. Crampton 1955-6-17 2979 Sonoma 2.4 miles south of Monte Rio. Comment
  UC1146696  Agrostis microphylla Freed W. Hoffman 1941-6-20 2088 Sonoma Dutch Bill Creek North Coast Ranges, Dutch Bill Creek Comment
  UCD33096  Agrostis microphylla Beecher Crampton 1966-5-10 7727 Sonoma Sonoma County, 6.5 miles north of Sonoma on State Hwy. 12, Glen Ellen station (CA dept. of forestry). Comment
  RSA94289  Agrostis oregonensis Peter Rubtzoff 1951-6-16 254 Sonoma Uppermost part of the western branch of the Uppper Marsh 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-BC138922  Agrostis pallens G. DeNevers 1981-5-30 1351 Sonoma Pepperwood Ranch. North side of Studio Road at base of hill, near the green Gate. Comment
  SBBG439  Agrostis stolonifera A. A. Beetle 1941-7-8 2855 Sonoma 5 mi S of Steward Pt 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
  CAS-BOT-BC176183  Aira caryophyllea Peter Rubtzoff 1974-5-26 7475 Sonoma Vernal pool 4.25 mi. west of Glen Ellen on Bennett Valley Road. Comment
  UCD55793  Aira caryophyllea var. capillaris M. Wiesendanger 1927-5-5 712 Sonoma Sonoma. Comment
  CAS-BOT-BC138212  Aira caryophyllea var. caryophyllea John Thomas Howell 1947-6-26 s.n. Sonoma Cunningham 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
  UC905117  Aira elegantissima Milo S. Baker 1947-5-7 11748 Sonoma above Baker Ranch; Hood Mt. 213 Comment
  UC1023611  Aira elegantissima Milo S. Baker Apr 1936 234 Sonoma near Youngman's Rd. Comment
  RSA790060  Alisma lanceolatum Peter Rubtzoff 1968-8-31 5953 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC445460  Alisma triviale Peter Rubtzoff 1951-7-28 565 Sonoma Pitkin Marsh, near Forestville.Lower part of the Upper Marsh Comment
  CAS-BOT-BC445468  Alisma triviale Peter Rubtzoff 1963-7-14 5199 Sonoma Laguna de Santa Rosa east of Graton. Comment
  CAS-BOT-BC445473  Alisma triviale Volney Rattan 1879-1-1 s.n. Sonoma Healdsburg Comment
  POM231288  Allium dichlamydeum David D. Keck, Jens Clausen 1935-6-15 3366 Sonoma 1 mile north of mouth of Salmon Creek. Comment
  CAS-BOT-BC474308  Allium unifolium Milo S. Baker 1927-5-6 21156 Sonoma Bennet Val near Highway Comment
  CAS-BOT-BC474317  Allium unifolium D. E. Breedlove 1980-5-3 44654 Sonoma Pepperwood Ranch W. of Knights Valley Comment
  CAS-BOT-BC251179  Alnus Peter Rubtzoff 1969-7-21 6118 Sonoma Duncan Mills Marsh. Comment
  CAS-BOT-BC169656  Alnus rhombifolia Peter Rubtzoff 1961-10-23 4781 Sonoma Laguna de Santa Rosa area NE of Graton Comment
  UC1585375  Alnus rhombifolia R. Raiche, K. Zadnik, and H. Forbes 1989-1-10 Sonoma 6.9 km w of Soda Springs (e of Stewarts Point, along the Gualala River, on Skaggs Springs-Stewarts Point Road); Gualala River, Skaggs Springs-Stewarts Point Road Comment
  CAS-BOT-BC169369  Alnus rubra Mary P. Wells 1984-7-20 394 A Sonoma E bank So. Fork Gualala River, The Sea Ranch (near Hot Spot) Comment
  CAS-BOT-BC251180  Alnus rubra Peter Rubtzoff 1966-11-9 5836 Sonoma Along Salmon Creek, near Freestone. Comment
  CAS-BOT-BC138058  Alopecurus aequalis var. sonomensis Peter Rubtzoff 1955-5-14 1835 Sonoma Ross Marsh. Comment
  CAS-BOT-BC376271  Alopecurus pratensis Greg de Nevers 1996-4-18 10792 Sonoma Knights Valley, marsh at south end of valley at base of hills, on Bavarian Lion Ranch. Knight's Valley Marsh. Bavarian Lion Ranch, 450 ft. 91 Comment
  CDA37330  Amaranthus albus D. G. Kelch, Troy McGregor 2010-8-22 10 .335 Sonoma Geyser Peak Rd. Comment
  CAS-BOT-BC44967  Ambrosia chamissonis Mary P. Wells 1981-7-1 s.n. Sonoma Goat Rock State Beach Comment
  UCD128775  Ambrosia chamissonis Mary M. Hektner 1974-7-20 154 Sonoma Near State Highway 1, Sea Ranch, Unit 28 Owners' Map. Comment
  POM141359  Amelanchier pallida A. A. Heller 1903-4-24 6617 Sonoma Woods near Cazadero. Comment
  CAS-BOT-BC135668  Amelanchier utahensis A. A. Heller 1902-7-1 5794 Sonoma Lagoon at Sebastopol Comment
  CAS-BOT-BC154122  Ammannia coccinea Peter Rubtzoff 1958-9-27 4005 Sonoma Laguna de Santa Rosa, northwest of Graton (0.5 mi. N of Guerneville Road.) Comment
  CAS-BOT-BC157697  Ammannia coccinea Peter Rubtzoff 1963-8-24 5238 Sonoma Laguna de Santa Rosa, east of Graton. 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
  JEPS87225  Amorpha californica var. napensis Jack and Betty Guggolz 1992-5-9 1282 Sonoma 1/2 mi nw Buzzard Peak (ne of Santa Rosa) 271 Comment
  POM194542  Amorpha californica var. napensis Anonymous 1929-6-2 s.n. Sonoma Near Mark [?] West Springs Comment
  CAS-BOT-BC222271  Amsinckia A. A. Heller 1934-4-28 s.n. Sonoma At Dillon Beach Comment
  CAS-BOT-BC222272  Amsinckia Rimo Bacigalupi 1928-6-18 1880 Sonoma At mouth of Salmon Creek 2 miles north of Bodega Bay Comment
  UCD119271  Amsinckia intermedia Botany 102 Students 1993-5-8 32 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 Sugarloaf Ridge, near group campground. Comment
  RSA178650  Amsinckia spectabilis Roxana S. Ferris 1932-5-27 8257 Sonoma Bodega Bay. Comment
  UC1585917  Anagallis arvensis Barbara Ertter 1988-11-5 8028 Sonoma ca. 5 airmiles due s. Cloverdale (point below Little Flat parking area w. of bridge, Lake Sonoma); Lake Sonoma 152 Comment
  SEINET11993493  Anagallis arvensis F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -172 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Road 485 Comment
  UCD144664  Anagallis arvensis Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 69 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Along Adobe Canyon Road. 259 Comment
  UC699632  Andropogon glomeratus var. pumilus F. W. Hoffman 1943-6-17 Sonoma Guerneville Comment
  SEINET10513944  Andropogon virginicus var. virginicus Harry S. Yates 1937-8-22 Yates 6865 Sonoma 2 miles southeast of Forestville. 30 Comment
  JEPS16077  Angelica hendersonii W. L. Jepson 1931-7-19 15940 Sonoma Salmon Creek 12 Comment
  CDA38217  Angelica tomentosa T. C. Fuller 1957-9-24 406 -57 Sonoma Forestville. 0 Comment
  CAS-BOT-BC271439  Anisocarpus madioides Peter Rubtzoff 1954-6-5 1454 Sonoma Hills south of Guerneville, Neeley Hill area Comment
  CAS-BOT-BC102232  Anthemis cotula A. A. Heller 1902-6-10 s.n. Sonoma Santa Rosa Comment
  UCD166185  Anthemis cotula Peter Rubtzoff 1969-8-14 6133 Sonoma Along Salmon Creek, ca. 0.5 miles upstream from Highway 1. Comment
  CAS-BOT-BC102231  Anthemis cotula W. & I. Knight 1984-8-26 5423 Sonoma Willow Creek Road 60 Comment
  CAS-BOT-BC137771  Anthoxanthum aristatum L. Beane; Lois E. James 1949-5-11 1942 Sonoma About half way between Healdsburg and Windsor. Comment
  POM261545  Anthoxanthum aristatum Alice Eastwood, J. T. Howell 1936-5-19 2506 Sonoma 2 miles north of Windsor Comment
  CAS-BOT-BC137695  Anthoxanthum odoratum David L. Morgan 1961-4-15 s.n. Sonoma Russian River Highway 4 miles west of Monte Rio. Comment
  JEPS78901  Anthoxanthum odoratum Edward Lee 1936-6-8 2224 Sonoma Bohemian Grove, grounds near entrance Bohemian Grove Comment
  UC576279  Anthoxanthum odoratum H. S. Yates 1937-6-6 6583 Sonoma 1 mi e of Duncan Mills 91 Comment
  UCD160312  Anthriscus caucalis James A. Neilson Jr. 1975-5-23 3212 Sonoma Truit Creek at Big Sulphur Creek. (Elevation and coordinates estimated by label maker.) 388 Comment
  POM188144  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum Marcus E. Jones 1931-7-5 28810 Sonoma The Geysers. Comment
  CDA41216  Antirrhinum vexillocalyculatum subsp. vexillocalyculatum T. C. Fuller 1958-5-24 4015 Sonoma 1.5 mi. north of Camp Meeker. 0 Comment
  UCR255744  Apiastrum angustifolium Greg de Nevers 1997-4-16 10934 Sonoma North Coast Range, Cavedale Road 152 Comment
  CAS-BOT-BC394990  Aquilegia formosa Saichi Kawahara 1968-4-20 322 Sonoma Trinity Road, 1 mile northwest of Highway 12 152 Comment
  LA204393  Arabis blepharophylla John Thomas Howell; 1930-6-8 5253 Sonoma 1 mi. east of Bodega Bay Comment
  UCD128214  Aralia californica K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  CAS-BOT-BC128620  Arbutus menziesii Walter Knight; Irja Knight 1963-8-23 403 Sonoma Joost Ranch, Calistoga Rd. Comment
  UCD67496  Arbutus menziesii D. Sanchez-Mata 1996-4-16 s.n. Sonoma Mercuryville-Jimtown. Gird Creek. 350 Comment
  CAS-BOT-BC410002  Arceuthobium campylopodum Carl B. Wolf 1927-9-2 1342 Sonoma 2 miles S of Anchor Cove Comment
  CAS-BOT-BC56915  Arctostaphylos Walter Knight; Irja Knight 1968-1-1 2267 Sonoma Geysers Resort 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-BC24085  Arctostaphylos bakeri R. F. Hoover 1968-2-23 10896 Sonoma Harrison Grade road near summit Comment
  CAS-BOT-BC25321  Arctostaphylos bakeri Alice Eastwood; John Thomas Howell 1939-4-2 7376 Sonoma Near camp marker on road to Monte Rio 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
  POM259285  Arctostaphylos bakeri subsp. bakeri Alice Eastwood, John Thomas Howell 1939-4-2 7376 Sonoma Near Camp Meeker on road to Monte Rio. Comment
  RSA202121  Arctostaphylos bakeri subsp. bakeri Freed W. Hoffman 1947-3-11 823 Sonoma Northeast of Camp Meeker Comment
  RSA622707  Arctostaphylos bakeri subsp. bakeri Jon E. Keeley, Melanie Baer-Keeley 1993-9-10 24695 Sonoma Along Bohemian Highway, 3.3 km north of Camp Meeker, between Occidental and Monte Rio. 90 Comment
  RSA70871  Arctostaphylos bakeri subsp. bakeri L. S. Rose 1934-2-22 34032 Sonoma 2 miles E of Occidental. Comment
  RSA339386  Arctostaphylos bakeri subsp. bakeri Roger Raiche 1985-9-29 RR 50899 Sonoma NE end of town of Healdsburg on Reservoir Hill 121 Comment
  RSA622726  Arctostaphylos canescens Jon E. Keeley 1993-9-11 24763 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UCD170266  Arctostaphylos canescens subsp. canescens S. J. Seybold; M. A. Siefker 2017-11-14 s.n. Sonoma Vadasz Vineyards, 18070 Carriger Road.Located along driveway near house. 64 Comment
  CAS-BOT-BC23851  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1931-3-14 5761 Sonoma Rincon Ridge, near Santa Rosa Comment
  CAS-BOT-BC23891  Arctostaphylos canescens subsp. sonomensis Milo S. Baker 1929-2-9 3388 a Sonoma Rincon Hill Comment
  CAS-BOT-BC23899  Arctostaphylos canescens subsp. sonomensis John Thomas Howell 1931-3-14 5759 Sonoma Rincon Ridge, near Santa Rosa Comment
  LA42280  Arctostaphylos canescens subsp. sonomensis H. F. Copeland; 1933-3-18 A 12 Sonoma Rincon Ridge, north of Santa Rosa Comment
  UC549709  Arctostaphylos canescens subsp. sonomensis J. E. Adams 1935-3-1 1024 Sonoma e Sta. Rosa; Rincon Ridge Comment
  CAS-BOT-BC25009  Arctostaphylos densiflora Walter Knight; Irja Knight; J. Sigg; Elizabeth McClintock 1981-3-25 3998 Sonoma Originally from a hybrid swarm at Vine Hill. Comment
  JEPS83500  Arctostaphylos densiflora Jack and Betty Guggolz 1986-2-22 848 Sonoma above extrapolated (Spanish land grant) (n side of Vine Hill School Rd); Cal. Native Plant Soc. reserve Comment
  SD107652  Arctostaphylos densiflora Walter Knight, Irja Knight 1980-12-23 3858 Sonoma California Native Plant Society's preserve on Vine Hill School Road. Comment
  UCD50799  Arctostaphylos densiflora Roman Gankin; W. R. Hidlreth 1967-10-3 1070 Sonoma Along Vine Hill School Road, ca. 1/2 mile east of Vine Hill Road. Comment
  CDA38592  Arctostaphylos densiflora T. C. Fuller 1958-5-24 3997 Sonoma Vinehill District. 0 Comment
  CAS-BOT-BC23282  Arctostaphylos glandulosa subsp. cushingiana Alice Eastwood 1918-5-1 6865 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC23286  Arctostaphylos glandulosa subsp. cushingiana Walter Knight; Irja Knight 1986-3-23 5367 Sonoma On Geysers Road near Mercuryville at junction of private road to Sulphur Peak. 822 Comment
  CAS-BOT-BC23284  Arctostaphylos glandulosa subsp. cushingiana Mary P. Wells 1985-10-4 669 Sonoma ca. 1 mile south of Gualala River Comment
  CAS-BOT-BC23325  Arctostaphylos glandulosa subsp. cushingiana C. Hart Merriam 1907-7-27 s.n. Sonoma Mt. St. Helena, Knights Valley slope Comment
  CAS-BOT-BC24721  Arctostaphylos glandulosa subsp. glandulosa Walter Knight; Irja Knight; Stephen W. Edwards 1985-1-27 5173 Sonoma 7.7 mi. from w. end of Sonoma Lake Bridge on Rockpile Road. Comment
  CAS-BOT-BC46149  Arctostaphylos glandulosa subsp. glandulosa J. E. Adams 1934-3-28 728 Sonoma Five miles from Seaview, Cazadero Road Comment
  CAS-BOT-BC46150  Arctostaphylos glandulosa subsp. glandulosa James McMurphy 1909-5-29 s.n Sonoma Grade, ridge south of the Geysers Comment
  UC535029  Arctostaphylos glandulosa subsp. glandulosa H. F. Copeland 1933-3-18 A 1 Sonoma Spring Mountain Rd about 8 mi e Santa Rosa Comment
  UCD52226  Arctostaphylos manzanita Roman Gankin; W. R. Hildreth 1967-10-3 1072 Sonoma Vine Hill School Road; ca. 1/2 mile east of Vine Hill Road. Comment
  CAS-BOT-BC24403  Arctostaphylos manzanita Walter Knight; Irja Knight; Roger Raiche; Steve Edwards 1983-7-3 4758 Sonoma Parker Hill Road, Santa Rosa. 182 Comment
  SEINET11984823  Arctostaphylos manzanita R. Gankin, Hildreth, W. R. 1967-1 1066 Sonoma Vine Hill School Rd, ca 0.5 mi E of Vine Hill Rd Comment
  UCD51915  Arctostaphylos manzanita C. M. Belshaw 1936-3-7 1561 Sonoma 1/2 mile NW of Trenton. 60 Comment
  CAS-BOT-BC38905  Arctostaphylos manzanita subsp. elegans Alice Eastwood 1922-5-5 11301 Sonoma Mt. St. Helena Comment
  OBI70632  Arctostaphylos manzanita subsp. glaucescens Larry E. Brown 1997-8-12 20797 Sonoma E of hwy 101 off of village ofAsti S of Cloverdale Comment
  CAS-BOT-BC38700  Arctostaphylos manzanita subsp. manzanita H. F. Copeland 1933-3-18 A 10 Sonoma Vine Hill region, west of Santa Rosa Comment
  CAS-BOT-BC38703  Arctostaphylos manzanita subsp. manzanita A. A. Heller; H. E. Brown 1902-3-20 5107 Sonoma Near Windsor 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
  POM215749  Arctostaphylos manzanita subsp. manzanita Jens Clausen 1933-3-26 750 Sonoma Baker Ranch, Kenwood, Adobe Canyon. Comment
  SBBG28821  Arctostaphylos manzanita subsp. manzanita A. A. Beetle 1940-2-18 1573 Sonoma Pitkin Ranch, 10 mi W of Santa Rosa Comment
  UC1121475  Arctostaphylos manzanita subsp. manzanita A. E. Wieslander 1938-10-29 835 Sonoma Vine Hill Sebastopol Quadrangle 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
  UC1220421  Arctostaphylos manzanita subsp. manzanita B. F. Smith 1962-11-30 32 Sonoma 1/2 mi e summit; Quad 60D2, Mt. St. Helena 1219 Comment
  UC1281098  Arctostaphylos manzanita subsp. manzanita H. E. McMinn 1936-4-5 4410 Sonoma along road just w Vine Hill School House Comment
  UC480591  Arctostaphylos manzanita subsp. manzanita Carl Meyer 1928-3-3 303 Sonoma Santa Rosa Comment
  UC909843  Arctostaphylos manzanita subsp. manzanita J. E. Adams 1934-3-28 729 Sonoma rd. to Cazadero Seaview Comment
  CAS-BOT-BC45398  Arctostaphylos nummularia Mary P. Wells 1983-8-3 154 Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch. Comment
  UC549523  Arctostaphylos nummularia J. E. Adams 1934-6-9 827 Sonoma 1 mi s McNamees Store Comment
  CAS-BOT-BC47342  Arctostaphylos stanfordiana John Thomas Howell 1931-3-14 5765 Sonoma Rincon Ridge near Santa Rosa. Comment
  CAS-BOT-BC47346  Arctostaphylos stanfordiana Walter Knight; Irja Knight 1963-12-27 471 Sonoma Pine Flat Rd., Circle S Ranch. Comment
  CDA11229  Arctostaphylos stanfordiana G. F. Hrusa 1989-1-1 5798 Sonoma North Coast Biodiversity Arena; Cavedale Edaphic Island, 2.5 m. up Cavedale Rd. from Hwy 12 near Kenwood. Comment
  CDA12041  Arctostaphylos stanfordiana G. F. Hrusa 1990-1-2 7350 Sonoma North Coast Biodiversity Arena; NW slopes of Hogback Mtn. approx. 4 km. NE of Sonoma. Comment
  CDA954  Arctostaphylos stanfordiana D. G. Kelch 2002-4-1 2 .008 Sonoma Cavedale Rd., Glen Ellyn. Comment
  RSA636820  Arctostaphylos stanfordiana Jon E. Keeley 1993-9-11 24741 Sonoma On south side of North Peak, in saddle between North and South peaks, Mt. St. Helena. 1160 Comment
  UCD53849  Arctostaphylos stanfordiana Roman Gankin 1966-3-3 688 Sonoma Ridge south of Hooker Canyon at a point directly opposite canyon from Cavedale Road; 3.1 miles east of junction with State Highway 12. Comment
  CAS-BOT-BC47344  Arctostaphylos stanfordiana C. Hart Merriam 1907-7-27 s.n. Sonoma Mt. St. Helena. Summit of 1st ridge on road from Middletown to Knights Valley. 731 Comment
  JEPS95236  Arctostaphylos stanfordiana subsp. decumbens Stephen W. Edwards 1990-12-10 Sonoma Rincon Ridge, summit Comment
  SBBG28448  Arctostaphylos stanfordiana subsp. stanfordiana H. F. Copeland 1933-3-18 A 6 Sonoma Rincon Ridge, near Santa Rosa Comment
  SEINET11995501  Arctostaphylos stanfordiana var. repens W. Knight, Knight, I.; Edwards, S. 1985-1 6051 Sonoma Chapman Branch of Crane Creek, near Dorman Canyon 265 Comment
  HSC7738  Arctostaphylos viscida Freed W. Hoffman 1947-9-29 502 Sonoma Layton Mine, Austin Creek Comment
  RSA202118  Arctostaphylos viscida Freed W. Hoffman 1947-4-3 677 Sonoma Wild Hog Ridge, headwaters Mill Creek, near Healdsburg. Comment
  UCD52206  Arctostaphylos viscida Freed W. Hoffman 1947-2-28 762 Sonoma Near Guerneville, Sonoma County. Comment
  RSA13420  Arctostaphylos viscida subsp. viscida H. F. Copeland 1933-3-18 A- 14 Sonoma Vine Hill region on College Avenue Highway, west of Santa Rosa. Comment
  UC1518542  Aristida ternipes var. hamulosa Barbara Malloch Leitner 1984-8-10 Sonoma 1/2 mi n Socrates Mine Rd. (ca 1 mi e of Big Sulphur Creek); Little Geysers Comment
  RSA416044  Aristolochia californica Christopher Davidson 1977-6-17 5875 Sonoma State Hwy 12, ca. 3 mi. W of Guerneville. Along Russian River. 15 Comment
  SEINET11262973  Aristolochia californica James Faro 1962-4-22 5 Sonoma South side of Lake Ralphine in Santa Rosa.; 0 Comment
  UC1084356  Aristolochia californica G. Thomas Robbins 1937-3-25 15 Sonoma Santa Rosa Creek just e. of Santa Rosa on hwy. to Sonoma Comment
  CAS-BOT-BC400489  Aristolochia californica John Thomas Howell 1934-2-22 11733 Sonoma Santa Rosa Comment
  UC157687  Armeria maritima subsp. californica Milo S. Baker Apr. 1899 Sonoma Dillon's Beach Comment
  CAS-BOT-BC90497  Artemisia douglasiana Walter Knight; Irja Knight; J. T. Howell 1986-10-9 5856 Sonoma Llano Road near sewage disposal plant at edge of Laguna de Santa Rosa 45 Comment
  CAS-BOT-BC400603  Asarum caudatum Peter Rubtzoff 1955-7-31 2016 Sonoma Forestville Marsh. Along the southern margin of the marsh Comment
  RSA12258  Asarum caudatum C. B. Wolf 1934-6-29 s.n. Sonoma 6/10 of a mile inland from Stewart s Point. 61 Comment
  UC1299580  Asclepias solanoana Freed W. Hoffman 1947-5-30 549 Sonoma Layton Mine; North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC68783  Aspidotis densa Roxana S. Ferris; Laura Lorraine 1961-6-14 13523 Sonoma Junction of Bittner Road with Joy Road between Occidental and Bodega Comment
  RSA415795  Astragalus claranus J. T. Howell 1931-4-19 6431 Sonoma 12.5 miles from St. Helena on Spring Mountain Road to Santa Rosa. Comment
Read comments
Nov 17 2007
  CAS-BOT-BC186823  Astragalus gambelianus Mrs. C. A. Burlingame 1922-5-1 s.n. Sonoma Sonoma Comment
  POM143740  Athysanus pusillus Michener, Bioletti 1893-04 s.n. Sonoma Adobe Canyon. Comment
  UCD97622  Atriplex prostrata Mary M. Hektner 1975-8-14 228 Sonoma on Shell Beach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD38528  Avena Beecher Crampton 1956-3-13 3227 Sonoma Asti. Comment
  UCD56195  Avena barbata Eric S. Nagy 1990-5-18 9 Sonoma Bodega Bay. Bodega Head. Dune ridge W of harbor along road. W of marine lab dorms and E of lab. Comment
  CDA33712  Azolla filiculoides Patrick Akers 2011-2-22 s.n. Sonoma Sonoma. 2299 Sobre Vista Road 0 Comment
  CAS-BOT-BC98648  Baccharis douglasii G. DeNevers 1981-7-11 1746 A Sonoma Pepperwood Ranch - at the big spring at the Skovie Comment
  RSA783715  Baccharis douglasii Peter Rubtzoff 1955-9-24 2148 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC99588  Baccharis pilularis Alice S. M. McKenzie 1980-11-28 s.n. Sonoma Coast between Russian and Gualala Rivers. Beside Calif. State Hwy. #1 in Russian Gulch, E side of gulch Comment
  LA203025  Baccharis pilularis C. B. Wolf; E. R. Johnson 1934-10-13 6182 Sonoma 2.4 mi. N of mouth of Russian River 60 Comment
  SD39664  Baccharis pilularis Edith A. Purer 1932-7-21 Sonoma Bodega Bay. Comment
  CAS-BOT-BC173600  Barbarea Peter Rubtzoff 1989-3-13 9982 Sonoma Near Russian River, ca. 6 miles east of Guerneville, at 9850 River Road. Comment
  CAS-BOT-BC145844  Beckmannia syzigachne Peter Rubtzoff 1958-5-10 3645 Sonoma Laguna de Santa Rosa east of Cunningham near Llano Road. Comment
  SBBG57110  Beckmannia syzigachne A. A. Heller 1902-6-7 5650 Sonoma Bennet Valley, SE of Santa Rosa Comment
  SEINET179633  Beckmannia syzigachne H. P. Bracelin 1930-7-27 20 Sonoma 1 mi N of Fort Ross Comment
  UCR248773  Beckmannia syzigachne Peter Rubtzoff 1970-6-14 6263 Sonoma Marsh on River Road, c. 3 miles west of Fulton 27 Comment
  SEINET10967575  Beckmannia syzigachne H. P. Bracelin 1930-7-27 Bracelin 20 Sonoma On Redwood slope. One mile north of Fort Ross. Comment
  UCR248962  Bidens laevis Peter Rubtzoff 1961-9-6 4740 Sonoma Laguna de Santa Rosa, northeast of Gratton 24 Comment
  CAS-BOT-BC257983  Blennosperma bakeri Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7398 Sonoma Laguna de Santa Rosa, ca. 1 mi. east-southeast of Sebastopol. Comment
  JEPS81944  Blennosperma bakeri Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8929 Sonoma along Hayes St. just s Bettencourt (southern outskirts of town, at type locality); Sonoma 19 Comment
  NY31038  Blennosperma nanum P. H. Raven 1954-2-27 6421 Sonoma Cavedale Road, ca. 3 miles north of Boyes Springs, Sonoma Valley Comment
  RSA128567  Blennosperma nanum Peter H. Raven 1954-2-27 6421 Sonoma Cavedale Road, ca. 3 miles north of Boyes Springs, Sonoma Valley. Comment
  CAS-BOT-BC105960  Blennosperma nanum var. nanum Milo S. Baker 1946-4-21 11355 Sonoma Santa Rosa - Sonma Hwy near old Dunbar School house Comment
  RSA790865  Boisduvalia Peter Rubtzoff, Nancy Harrison, Ruth Hass 1974-8-31 7850 Sonoma Kenwood Marsh. Comment
  RSA790899  Boisduvalia Peter Rubtzoff 1974-5-26 7491 Sonoma 1.4 mi from Hwy 116 and 0.6 mi from Llano Road. Comment
  CAS-BOT-BC154870  Boisduvalia densiflora Peter Rubtzoff 1968-8-31 5948 Sonoma Russian River bottom at Forest Hills, 5.5 miles E of Guerneville. Comment
  RSA94294  Boisduvalia densiflora var. densiflora Peter Rubtzoff 1951-7-14 455 Sonoma Pitkin Marsh near Forestville, between the Upper and the Lower marshes Comment
  CAS-BOT-BC154977  Boisduvalia glabella Peter Rubtzoff 1963-7-14 5202 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  CAS-BOT-BC156320  Boisduvalia glabella Peter Rubtzoff 1955-8-6 2026 Sonoma Austin Creek Marsh. Comment
  RSA790900  Boisduvalia stricta Peter Rubtzoff 1954-7-27 1578 Sonoma Guerneville Marsh. Comment
  RSA791563  Boisduvalia stricta Peter Rubtzoff 1961-6-7 4617 Sonoma Laguna de Santa Rosa, about 1 mi SE of Trenton. Comment
  CAS-BOT-BC28223  Bolboschoenus fluviatilis Peter Rubtzoff 1955-8-7 2033 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC75486  Bolboschoenus glaucus John Thomas Howell 1987-5-17 s.n. Sonoma Llano Road Marsh. Comment
  RSA0034188  Bolboschoenus maritimus Peter Rubtzoff 1972-8-26 6859 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC329264  Bolboschoenus maritimus Peter Rubtzoff 1961-9-20 4750 Sonoma Bodega Harbor Marsh. Comment
  UC728870  Botrychium multifidum W. H. Wagner 1946-5-19 4332 Sonoma Pitkin Marshes Comment
  CAS-BOT-BC368070  Boykinia Greg de Nevers 1998-5-31 11268 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Along Mark West Creek below Michele Lane. 400 Comment
  POM142187  Boykinia occidentalis A. A. Heller 1902-6-26 5772 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  CAS-BOT-BC418504  Boykinia occidentalis Mary P. Wells 1984-7-20 386 Sonoma The Sea Ranch; Hot spot (i.e., by So Fork Qualala River). Comment
  CAS-BOT-BC145444  Brachypodium distachyon G. DeNevers 1981-5-15 1188 Sonoma Pepperwood Ranch. On the ridge above Hansel's Lake, in a roadcut. Comment
  UCD57082  Brachypodium distachyon G. Douglas Barbe 1984-6-13 4172 Sonoma On Willow Creek Road between Bridge Haven (Highway 1) and Coleman Valley Road. West of Occidental. Comment
  SEINET944633  Brachypodium distachyon John Thomas Howell 1959-1 Sonoma Hills east of Agua Caliente, Sonomo County. Comment
  CAS-BOT-BC100474  Brickellia californica Greg de Nevers 1987-7-10 8232 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Rd., Santa Rosa, along Franz Creek 400 Comment
  CAS-BOT-BC145477  Briza maxima Roxana S. Ferris 1961-6-14 13530 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega. Comment
  UC565401  Briza maxima G. Thomas Robbins 1937-6-5 223 Sonoma about 10 mi w Santa Rosa; Vine Hill region, Pitkin Ranch Comment
  SEINET5717720 Image available Briza maxima Anthony Tin Yan Tse 1972-1 3 -4 Sonoma 2 miles south of Jenner of Highway 1, Sonoma County, California.; Jenner Comment
  UCD57143  Briza maxima David L. Morgan 1956-5-23 s.n. Sonoma On Bay Hill Rd. 3 mi. W of junction of State Highway 1. Comment
  CAS-BOT-BC145285  Briza minor Peter Rubtzoff 1961-10-15 s.n. Sonoma Vacation Beach, 2 miles below Guerneville. On Russian River bottom. Comment
  CAS-BOT-BC145293  Briza minor G. DeNevers 1981-5-12 1141 Sonoma Pepperwood Ranch. At the Red Corral, Old McCann Homestead. Comment
  UC1023569  Briza minor Virginia Bufford 1936-5-1 147 Sonoma w Sebastopol (top of hill); O'Farrell Hill Comment
  UC768624  Brodiaea elegans subsp. elegans R. F. Hoover 1938-6-14 3606 Sonoma 2 mi se Healdsburg Comment
  CAS-BOT-BC486540  Brodiaea elegans subsp. elegans Peter Rubtzoff; Nancy Harrison 1976-6-18 8645 Sonoma False Lake Meadow area, Annadel State Park Comment
  RSA376764  Brodiaea elegans subsp. elegans Christopher Davidson 1977-6-20 6008 Sonoma Dry Cr. Rd., 8.6 mi. W of Geyserville 91 Comment
  CAS-BOT-BC486528  Brodiaea stellaris Peter Rubtzoff 1969-5-11 6046 Sonoma Laguna de Santa Rosa northeast of Graton, at end of Piner Road. Comment
  CAS-BOT-BC486459  Brodiaea terrestris subsp. terrestris Peter Rubtzoff; Nancy Harrison 1978-5-20 9183 Sonoma Cunningham Marsh area on north side of Blucher Creek valley. Comment
  CAS-BOT-BC486467  Brodiaea terrestris subsp. terrestris Mark Okada 1971-6-10 s.n. Sonoma Route ] , 3miles south of Gualala Comment
  CAS-BOT-BC486474  Brodiaea terrestris subsp. terrestris V. Penalosa 1961-5-24 1578 Sonoma Slope above Upper Stemple Creek Marsh Comment
  UCD57972  Bromus carinatus P. B. Kennedy 1915-6-1 s.n. Sonoma Northern Sonoma County. Del Mar. Comment
  UC1155619  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1942-5-12 3232 Sonoma Sebastopol Comment
  UC1155624  Bromus carinatus var. carinatus G. L. Stebbins Jr. 1942-5-12 3232 Sonoma Sebastopol Comment
  CAS-BOT-BC149086  Bromus carinatus var. carinatus Peter H. Raven 1950-4-23 1894 Sonoma Solve Vista. 152 Comment
  CAS-BOT-BC148783  Bromus carinatus var. marginatus James Jokerst 1985-4-26 2270 Sonoma Near Caldwell Ranch. Comment
  UCD151108  Bromus carinatus var. marginatus James A. Neilson Jr. 1974-6-1 3035 Sonoma Mayacmas Mountains, Geyser Rock. (Elevation estimated by label maker using Google Earth.) 1066 Comment
  CAS-BOT-BC155895  Bromus catharticus var. elatus Lewis S. Rose 1952-4-18 62024 Sonoma 1 mile northwest of Freestone. 76 Comment
  CAS-BOT-BC155958  Bromus commutatus Peter Rubtzoff 1962-5-25 4844 Sonoma Atascadero Creek Marsh. Comment
  UCD58439  Bromus commutatus B. Crampton 1955-6-17 2959 Sonoma 4.5 miles east of Fort Ross. Comment
  UCD58480  Bromus commutatus Beecher Crampton 1959-6-16 5398 Sonoma 1 mile northeast of Freestone. Comment
  UCD58474  Bromus commutatus B. Crampton 1955-5-8 2820 Sonoma Hwy. 128. Alexander Valley. Comment
  CAS-BOT-BC155209  Bromus hordeaceus A. A. Heller 1902-4-17 5325 Sonoma Santa Rosa. Comment
  CAS-BOT-BC155214  Bromus hordeaceus G. DeNevers 1981-5-12 1132 Sonoma Pepperwood Ranch. North arm of Garrison Canyon. Comment
  RSA785738  Bromus hordeaceus Carrie A. Herd 1982-4-25 117 Sonoma Rohnert park. California State University, Sonoma, Open field between down parking lo and bicycle path. Comment
  UC730043  Bromus hordeaceus Leo F. Koch 1940-4-22 831 Sonoma 2 mi from Jimtown (Alexander Valley Road to Geysers); Alexander Valley Road Comment
  SEINET3923003  Bromus japonicus Fred W. Hoffman 1941-7-5 2079 Sonoma Forestville, CA.; 0 Comment
  JEPS27963  Bromus laevipes Rimo Bacigalupi and L. Heckard 1961-6-9 7744 Sonoma about 3/4 mi nw of Occidental School (along Stoetz Lane about 1/2 mi nw of its junction with Harrison Grade Road, at head of North Fork of Lancel Creek); Stoetz Lane, North Fork Lancel Creek 222 Comment
  SBBG20731  Bromus laevipes M. S. Walters 1960-6-18 Sonoma ca. 1.5 mi E of Russian River bridge at Guerneville on St Hwy 12 Comment
  UCD160851  Bromus madritensis subsp. rubens James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3284 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-BC161700  Bromus rubens Mary P. Wells 1984-5-24 306 Sonoma Annadel State Park southeast of Santa Rosa. Comment
  UCD166733  Cakile maritima Peter Rubtzoff 1955-8-20 2078 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC36910  Cakile maritima var. maritima Roxana S. Ferris 1937-8-18 9370 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  CAS-BOT-BC36913  Cakile maritima var. maritima Walter Knight; Irja Knight 1963-8-13 138 Sonoma Horseshoe Cove. Comment
  CAS-BOT-BC352216  Calamagrostis Peter Rubtzoff 1967-8-22 5856 Sonoma Hillside depression southeast of Lower Salmon Creek Marsh. Comment
  SEINET10843394  Calamagrostis P. Rubtzoff 1967-8-22 Rubtzoff 5856 Sonoma SE of Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC185408  Calamagrostis bolanderi Greg de Nevers 1996-6-17 10831 Sonoma CYO camp south of Occidental on Bohemian Highway. 121 Comment
  RSA0056454  Calamagrostis bolanderi Greg de Nevers 1998-6-15 11287 Sonoma CYO Camp on Bohemian Highway. Comment
  UC1153822  Calamagrostis ophitidis Beecher Crampton 1957-5-16 4039 Sonoma Hot Springs road 3 mi sw Cloverdale Comment
  RSA0065162  Calandrinia breweri Greg de Nevers 1997-4-24 10970 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 100 Comment
  CAS-BOT-BC438605  Calandrinia ciliata Peter Rubtzoff 1952-5-10 1026 Sonoma Pitkin Marsh, near Forestville. Bordering the Upper Marsh in the west. Comment
  SEINET9288286  Calendula arvensis Unknown 2000-3-6 20969 Sonoma Sonoma Comment
  CAS-BOT-BC273245  Calendula arvensis John Thomas Howell 1954-4-1 29138 Sonoma Along highway just east of Shellville Comment
  UCR142045  Calendula officinalis Beecher Crampton 1970-3-12 8545 Sonoma Sonoma, 1st Street West, just south of RR depot 30 Comment
  UCR249083  Callitriche Peter Rubtzoff 1972-6-29 6813 Sonoma North Coast Range, Laguna [Lake], Chileno Valley 69 Comment
  CAS-BOT-BC290610  Callitriche Peter Rubtzoff 1972-6-11 6776 Sonoma Laguna, Chileno Valley Comment
  CAS-BOT-BC290675  Callitriche Peter Rubtzoff 1969-5-16 6050 Sonoma Guerneville Marsh, eastern part of the marsh in Pocket Canyon. Comment
  UC17873  Callitriche heterophylla var. bolanderi F. T. Bioletti Apr 1893 Sonoma Kenwood Comment
  UCR249035  Callitriche verna Peter Rubtzoff 1971-6-26 6572 Sonoma Willow Creek Marsh 9 Comment
  UC672157  Calochortus amabilis Herbert L. Mason 1934-4-28 8068 Sonoma Jensen's Ranch Dohrman Creek Comment
  CAS-BOT-BC483273  Calochortus amabilis James L. Reveal 1988-6-1 6972 Sonoma Along Geysers Road, 9.2 miles east-southeawst of U.S. Highway 101, 1 mile southeast of West Squaw Creek Road and 4.2 miles northwest of the turnoff to Geysers Resort, about 13 miles east of Cloverdale 320 Comment
  SEINET6879027  Calochortus amabilis W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 7.8 miles south-southeast of Annapolis. Comment
  UC1134484  Calochortus luteus H. S. Yates 1937-5-30 6546 Sonoma 4 mi nw Graton; Sebastopol Quad. 91 Comment
  UC3418  Calochortus luteus Carl Purdy 1821-1 Sonoma Windsor Comment
  CAS-BOT-BC492631  Calochortus luteus Peter Rubtzoff 1961-6-23 4640 Sonoma Bennett Mtn. Lake. Comment
  CAS-BOT-BC492632  Calochortus luteus D. E. Breedlove 1980-6-28 44808 Sonoma Pepperwood Ranch W of Knights Valley Comment
  UC1973318  Calochortus luteus Roger Raiche 1997-9-1 058 .97 Sonoma W of Occidental, Fitzpatrick Lane, ca. 1.8 mi W of its origin at Jy Ridge Road. Comment
  UC3414  Calochortus luteus Ivan Tidestrom 1895-6-3 Sonoma Comment
  UCSB636  Calochortus pulchellus Keator, Glenn 1959-4-2 Sonoma 0.9 miles east on Cavedale road and 2.0 miles northeast of Agua Caliente Comment
  RSA0000330  Calochortus raichei Roger Raiche 1986-7-7 60214 Sonoma N of Cazadero, The Cedars, headwaters of Big Austin Creek, near Laton Mine. 840 Comment
  CAS-BOT-BC494039  Calochortus tolmiei Dorothy Scherer 1997-3-24 075 Sonoma Grassy area south of Kolmer Gulch and ca 300' east of Hwy one. Fort Ross State Historic Park 91 Comment
  SEINET8197749  Calochortus tolmiei W. Roderick 1967-5-13 s.n. Sonoma 1.5 miles N of Ft. Ross. 23 Comment
  UC672142  Calochortus uniflorus Herbert L. Mason 1928-4-13 4327 Sonoma near Petaluma Comment
  UCSC000752  Calycadenia multiglandulosa C. M. Hoak 2008-7-31 s.n. Sonoma Monte Rio Comment
  UCD129722  Calycadenia multiglandulosa Gerald D. Carr 1971-7-7 577 Sonoma junction of Facienda Lane and Occidental Road. Comment
  UCD37346  Calycadenia oppositifolia Beecher Crampton 1959-6-16 5374 Sonoma 1 mile east of Occidental. Comment
Read comments
Oct 16 2018
  CAS-BOT-BC91002  Calycanthus occidentalis D. E. Breedlove 1962-6-6 2905 Sonoma On State Highway 128, 4.0 miles northwest of U.S. Highway 101 at Cloverdale. 289 Comment
  CAS-BOT-BC91004  Calycanthus occidentalis H. L. Mason 1934-4-28 8067 Sonoma Jensen Ranch, head of Dohrman Creek. Comment
  CAS-BOT-BC91006  Calycanthus occidentalis Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  CAS-BOT-BC91014  Calycanthus occidentalis L. R. Abrams 1916-7-4 5801 Sonoma Burkes Sanitarium. Comment
  CAS-BOT-BC91018  Calycanthus occidentalis Greg de Nevers 1987-5-11 8180 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa. 400 Comment
  JEPS78744  Calycanthus occidentalis Edward Lee 1936-6-7 2176 Sonoma Bohemian Grove, Trail No. 10, by streamlet Bohemian Grove, Trail No. 10 Comment
  SBBG52675  Calycanthus occidentalis C. Davidson 1977-6-17 5883 Sonoma St Hwy 12, ca. 3 mi W of Guerneville, along Russian River 15 Comment
  UC192556  Calycanthus occidentalis Michener and Bioletti Jun 1893 Sonoma Hoods Peak Comment
  UC9828  Calycanthus occidentalis F. T. Bioletti Aug 1891 Sonoma Sonoma Comment
  UCD160965  Calyptridium umbellatum James A. Neilson Jr. 1975-7-8 3377 Sonoma Mayacmas Mountains. Near U.S. Geothermal 2, 1/2 mile south of Socrates Mine Road. (Elevation and coordinates estimated by label maker.) 914 Comment
  CAS-BOT-BC292508  Calystegia R. K. Brummitt; T. F. Daniel 1997-5-31 19615 Sonoma 10 km NE of Santa Rosa, Pepperwood Ranch Natural Preserve, near Bechtel Cabin. 300 Comment
  UCD126064  Calystegia collina Erik Beever 1993-5-8 213 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 disturbed trailhead. 365 Comment
  CAS-BOT-BC223620  Calystegia collina subsp. oxyphylla R. K. Brummitt; A. Wolf; R. W. Howe 1998-5-15 19859 Sonoma 18 km ENE of Healdsburg, on Ida Clayton Road 4 km above Rte. 128 650 Comment
  JEPS87233  Calystegia collina subsp. oxyphylla Jack and Betty Guggolz 1992-5-2 1271 Sonoma Found on the north side of White Rock, 1 3/4 miles north of Jimtown 304 Comment
  CDA39871  Calystegia collina subsp. oxyphylla T. C. Fuller 1958-5-24 4002 Sonoma 1/2 mile east of Occidental, State Department of Forestry Station. 0 Comment
  CAS-BOT-BC376265  Calystegia occidentalis Greg de Nevers 1995-6-3 10744 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along road below Double Ponds 487 Comment
  CAS-BOT-BC224739  Calystegia purpurata subsp. saxicola Alice Eastwood 1915-6-29 4861 Sonoma Bodega Point Comment
  CAS-BOT-BC32999  Calystegia purpurata subsp. saxicola Alice Eastwood 1900-7-4 s.n. Sonoma Bodega Point Comment
  UC105092  Calystegia purpurata subsp. saxicola Katharine Brandegee 1905-6-25 Sonoma Bodega Head Comment
  UCD126180  Calystegia purpurata subsp. saxicola Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1975-8-14 224 Sonoma Close to State Highway 1; Unit 24 Owners' Map, Sea Ranch. Comment
  POM127904  Calystegia soldanella M. S. Baker 1898-5-7 636 Sonoma Glen Ellen Comment
  CAS-BOT-BC498779  Camassia quamash subsp. linearis Peter Rubtzoff 1957-5-11 3326 Sonoma Occidental Marsh; Sonoma County Marshes Comment
  CAS-BOT-BC498780  Camassia quamash subsp. linearis Peter Rubtzoff 1951-5-28 82 Sonoma Western branch of the Upper Marsh; at the edge of a ticket, on marshy ground; The Pitkin Marsh, near Forestville Comment
  UCD19486  Camissoniopsis cheiranthifolia Terry Reedy 1974-5-11 213 Sonoma Bodega Head. 12 Comment
  CAS-BOT-BC160365  Camissoniopsis cheiranthifolia subsp. cheiranthifolia A. A. Heller 1940-5-17 15626 Sonoma North of the town of Bay, Bodega Bay Comment
  SD38638  Camissoniopsis cheiranthifolia subsp. cheiranthifolia Edith A. Purer 1932-7-21 4045 Sonoma Bodega Bay. Comment
  UC107658  Camissoniopsis hirtella Michener and Bioletti May 1892 Sonoma Comment
  SEINET10463915  Campanula californica Wolf 1927-9-2 WOLF 1355 Sonoma 21 MI S OF GUALALA RIVER ON COAST ROAD Comment
  SEINET10463919  Campanula californica Sutcliffe 1920-7-18 SUTCLIFFE s.n. Sonoma ANAPOLIS Comment
  SEINET10463936  Campanula californica Parks 1925-7-20 PARKS s.n. Sonoma Stewarts Point Comment
  SEINET10905923  Campanula prenanthoides Michener 1892-7-4 MICHENER s.n. Sonoma Shagg's Springs Comment
  CAS-BOT-BC37751  Cardamine californica R. H. Thompson 1880-4-1 s.n. Sonoma Healdsburg. Comment
  CAS-BOT-BC37759  Cardamine californica A. A. Heller; H. E. Brown 1902-3-20 5104 Sonoma Near Windsor. Comment
  CAS-BOT-BC37762  Cardamine californica Milo S. Baker 1924-4-27 Local 104 a-24 Sonoma Coopers Grove. Comment
  CAS-BOT-BC37764  Cardamine californica Alice Eastwood 1922-3-25 11098 Sonoma Calistoga. Comment
  UC10434  Cardamine californica F. T. Bioletti 1894-1 Sonoma Kenwood Comment
  CAS-BOT-BC37766  Cardamine californica Walter Knight; Irja Knight 1964-2-16 806 Sonoma Sonoma Mountain Road near Enterprise Road. Comment
  CAS-BOT-BC37771  Cardamine californica John H. Thomas 1966-3-22 11535 Sonoma About 2.7 miles from Sebastapol toward Santa Rosa along Highway 12. Comment
  POM143725  Cardamine californica var. integrifolia A. A. Heller 1903-3-20 5104 Sonoma Near Windsor. Comment
  RSA177957  Cardamine californica var. integrifolia R. F. Thorne 1965-4-20 34330 Sonoma Parker Hill Rd, 2.5 miles N of Santa Rosa and 1 mile N of Sonoma County Hospital. 107 Comment
  CAS-BOT-BC38031  Cardamine oligosperma Peter Rubtzoff 1959-6-20 4160 Sonoma Willow Creek Marsh. Bank of Willow Creek. Comment
  CAS-BOT-BC38039  Cardamine oligosperma W. R. Dudley 1894-5-1 s.n. Sonoma Mountains west of Calistoga. Comment
  JEPS128333  Cardamine pachystigma var. dissectifolia Roger Raiche 2010-2-28 010 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC38116  Cardamine parviflora R. Bacigalupi 1948-3-6 2856 Sonoma Northwest Sonoma County. At junction of roads from Stewart's Point and Annapolis, on road from Skaggs Springs. Comment
  CAS-BOT-BC384863  Cardionema ramosissimum John H. Thomas 1976-6-15 18289 Sonoma Southern end of the Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  UCD85586  Carduus pycnocephalus Gerry North 1993-4 43 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. South of Hillside trail, at fork by water tank. 426 Comment
  SEINET10799431  Carduus pycnocephalus David B. Dunn, Melvin L. Conrad; Douglas G. LeDoux 1973-6-9 Dunn 20709 Sonoma Coll. 5.3 mi. E of the Jc t. of Hwy. 101 and Hwy. 116 on 116. Rolling hills of grasses. Along the roadside in clay banks. Comment
  HSC42204  Carduus tenuiflorus S. Saufferer 1973-5-24 219 Sonoma Bodega Bay near the ocean Comment
  UCD161769  Carex James A Neilson Jr. 1976-5-10 3720 Sonoma Mayacmas Mountains. Aidlin-Gouvea Leasehold. (Exact location unknown. Coordinates estimated by label maker.) Comment
  UCD161860  Carex James A. Neilson Jr. 1973-6-6 s.n. Sonoma Mayacmas Mountains. The Geysers. Site IV. (Exact location of Site IV unknown. Elevation and coordinates very broadly estimated by label maker.) 441 Comment
  CAS-BOT-BC422345  Carex Peter Rubtzoff 1975-7-3 8145 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC334524  Carex abrupta Peter Rubtzoff 1958-4-26 3585 Sonoma Laguna de Santa Rosa east of Sebastopol. Comment
  UC590014  Carex athrostachya H. S. Yates 1936-5-16 5622 Sonoma near Green Valley School 91 Comment
  CAS-BOT-BC290554  Carex barbarae Peter Rubtzoff 1975-7-3 8152 Sonoma Kenwood Marsh. Comment
  UCR249338  Carex barbarae Peter Rubtzoff 1953-5-16 1360 Sonoma Vacation Beach, near Guerneville, along Russian River 3 Comment
  RSA0023068  Carex barbarae Peter Rubtzoff 1958-5-3 3623 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC19569  Carex bolanderi Roxana S. Ferris; Laura Lorraine 1961-6-14 13539 Sonoma Joy Road grade, 1.8 mile from junction with Bodgea Highway. Comment
  RSA143956  Carex bolanderi Roxana S. Ferris, Laura Lorraine 1961-6-14 13539 Sonoma Joy Road Grade, 1.8 miles from jct. with Bodega Hwy Comment
  CAS-BOT-BC18987  Carex densa Lewis S. Rose 1939-5-14 39117 Sonoma Bodega. 30 Comment
  CAS-BOT-BC20476  Carex densa John Thomas Howell; J. W. Stacey 1937-6-6 13025 Sonoma Sebastopol. Comment
  CAS-BOT-BC20494  Carex densa Peter Rubtzoff 1960-6-9 4474 Sonoma Sonoma County Marshes. Laguna de Santa Rosa area northeast of Graton, near the Laguna Road. Comment
  CAS-BOT-BC242640  Carex densa Peter Rubtzoff 1958-4-26 3604 Sonoma Laguna de Santa Rosa east of Sebastopol Comment
  CAS-BOT-BC20241  Carex densa Peter Rubtzoff 1968-6-25 5901 Sonoma Lichau Marsh. Comment
  CAS-BOT-BC20472  Carex densa Alice Eastwood; John Thomas Howell 1936-5-19 2526 Sonoma Near Asti. Comment
  CAS-BOT-BC20474  Carex densa G. DeNevers 1981-3-25 570 Sonoma Pepperwood Ranch. North of 3 Tree Hill. Comment
  CAS-BOT-BC20492  Carex densa Catherine Best 1981-5-2 s.n. Sonoma Willow Creek Road about 6 miles west of Occidental. Comment
  CAS-BOT-BC20496  Carex densa Peter Rubtzoff 1958-5-10 3636 Sonoma Sonoma County Marshes. Laguna de Santa Rosa east of Cunningham (near Llano Road). Comment
  SEINET7556735 Image available Carex densa Alice Eastwood 1936-5-19 2500 Sonoma North limits of Santa Rosa. Comment
  CAS-BOT-BC19951  Carex exsiccata John Thomas Howell 1946-8-17 22858 Sonoma The Laguna north of Sebastopol. Comment
  RSA0015631  Carex exsiccata Peter Rubtzoff 1958-5-17 3668 Sonoma Laguna de Santa Rosa, north of Sebastopol (near Occidental Rd). Comment
  RSA52330  Carex exsiccata J. T. Howell 1946-8-17 22858 Sonoma The Laguna east of Sebastopol Comment
  SEINET10650312  Carex exsiccata A. Arthur Heller 1902-7-1 Heller 5798 Sonoma Lagoon at Scbastopol. Comment
  UCR249912A  Carex feta Peter Rubtzoff 1975-7-3 8147 Sonoma Kenwood Marsh 120 Comment
  UCR249913A  Carex feta Peter Rubtzoff, Tim Tunison 1975-7-5 8586 Sonoma North Coast Range, False Lake Meadow area, Annadel State Park 221 Comment
  CAS-BOT-BC20452  Carex globosa John Thomas Howell; Catherine Best; Wilma Follette; Mary Wells 1982-4-28 54676 Sonoma Bouverie Audubon Preserve, about 1.5 miles east of Glen Ellen near Stuart Creek. 137 Comment
  RSA144722  Carex globosa Roxana S. Ferris, Laura Lorraine 1961-6-15 13556 Sonoma Green Valley Road 0.8 miles E of junction with Harrison Grade Road. Comment
  UCD140352  Carex globosa Roxana S. Ferris; Laura Lorraine 1961-6-15 13556 Sonoma Green Valley Road 0.8 mi. E of junction with Harrison Grade Road. Comment
  CAS-BOT-BC28365  Carex gracilior Peter Rubtzoff 1955-4-30 1794 Sonoma Stony Point Marsh Comment
  CAS-BOT-BC146597  Carex gynodynama John Thomas Howell 1947-6-5 23231 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC311807  Carex gynodynama Peter Rubtzoff 1957-5-26 3358 Sonoma Occidental Marsh. Comment
  CAS-BOT-BC328118  Carex gynodynama Peter Rubtzoff 1964-6-3 5348 Sonoma Bodega Bay Marsh. Comment
  CAS-BOT-BC422372  Carex gynodynama Peter Rubtzoff 1962-5-11 4829 Sonoma Freestone Marsh. Comment
  UCR249050  Carex harfordii Peter Rubtzoff 1964-5-20 5320 Sonoma Bodega Bay Marsh 15 Comment
  RSA0022360  Carex harfordii Peter Rubtzoff 1964-5-20 5304 Sonoma Brooks Gulch Marsh. Comment
  RSA94271  Carex lemmonii Peter Rubtzoff 1951-6-30 297 Sonoma Pitkin Marsh, near Forestville; western branch of the Upper Marsh Comment
  CAS-BOT-BC31430  Carex leptopoda Peter Rubtzoff 1951-6-9 164 Sonoma Pitkin Marsh, near Forestville. Forest S of the Upper Marsh. Comment
  CAS-BOT-BC329277  Carex leptopoda Peter Rubtzoff 1964-6-24 5374 Sonoma Lower Salmon Creek Marsh. Comment
  RSA0031803  Carex leptopoda Peter Rubtzoff, Nancy Harrison 1974-7-13 7680 Sonoma Upper Green Valley Marsh. Comment
  UCR249079  Carex leptopoda Peter Rubtzoff, Nancy Harrison 1974-7-13 7680 Sonoma Upper Green Valley Marsh Comment
  CAS-BOT-BC31433  Carex leptopoda LeRoy Abrams 1920-7-3 7600 Sonoma Gualala River. 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
  JEPS128382  Carex mendocinensis Roger Raiche 2000-5-5 082 .00 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  CAS-BOT-BC119731  Carex nebrascensis John Thomas Howell 1945-8-14 21411 Sonoma Perry Marsh. Comment
  CAS-BOT-BC119732  Carex nebrascensis John Thomas Howell 1947-6-26 23309 Sonoma Cunningham Marsh Comment
  UC931974  Carex nudata Verne Grant and Alva Grant 1947-5-4 7950 Sonoma 2 mi N of Kenwood (Sonoma Creek 1 mi E of Sonoma-Santa Rosa highway) Comment
  UC1100482  Carex obnupta Malcolm A. Nobs and S. Galen Smith 1949-8-1 1111 Sonoma 2 mi e Stewart's Point (on road to Geyserville) Comment
  CAS-BOT-BC119317  Carex obnupta P. B. Kennedy 1914-10-1 s.n. Sonoma Del Mar Ranch. Comment
  RSA201424  Carex ovalis J. T. Howell 1947-6-5 23240 Sonoma Cunningham Marsh Comment
  CAS-BOT-BC312676  Carex ovalis Peter Rubtzoff 1955-8-6 2025 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC118938  Carex pellita Peter Rubtzoff 1952-5-21 1059 Sonoma Pitkin Marsh, near Forestville. South of the Upper Marsh. Comment
  UCR248723  Carex pellita Peter Rubtzoff 1962-5-11 4820 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  CAS-BOT-BC422371  Carex serratodens Peter Rubtzoff 1957-5-11 3341 Sonoma Occidental Marsh. Comment
  RSA0023000  Carex serratodens Peter Rubtzoff 1974-6-9 7586 Sonoma Upper Green Valley Marsh. Comment
  UCR248868  Carex stipata Peter Rubtzoff 1958-5-17 3679 Sonoma Laguna de Santa Rosa, east of Cunningham [Rd.] (near Llano Road) 31 Comment
  CAS-BOT-BC117358  Carex stipata var. stipata John Thomas Howell; J. W. Stacey 1937-6-6 13021 Sonoma Sebastopol Comment
  CAS-BOT-BC116929  Carex subbracteata Peter Rubtzoff 1954-8-2 1619 Sonoma Duncan Mills Marsh. Comment
  CAS-BOT-BC116783  Carex subbracteata var. subbracteata Peter Rubtzoff 1957-5-26 3360 Sonoma Occidental Marsh. Comment
  SEINET3910200  Carex tracyi Lewis S. Rose 1955-6-2 55060 Sonoma Pitkin Marsh, w. of Vine Hill Road. 10 mi. w. of Santa Rosa.; 0 30 Comment
  CAS-BOT-BC350937  Carex tumulicola Peter Rubtzoff 1959-5-31 4076 Sonoma Freestone Marsh. Comment
  CAS-BOT-BC422365  Carex tumulicola Peter Rubtzoff 1974-6-2 7505 Sonoma Upper Green Valley Marsh. Comment
  UC767096  Carex tumulicola R. F. Hoover 1941-5-14 5077 Sonoma 3 mi s Monte Rio (on road to Camp Meeker) Comment
  UCR249082  Carex tumulicola Peter Rubtzoff 1971-6-25 6561 Sonoma Intermittent lake off west side of Hwy 1, 0.7 mi southeast of Salmon Creek crossing 30 Comment
  UC1278013  Carthamus lanatus B. Crampton 1957-7-22 4356 Sonoma 15.2 mi w of, on road to Stewart's Point Skagg's Springs Comment
  CDA36976  Carthamus leucocaulos J. H. Shelgren 1976-5-7 16 Sonoma Vicinity of Asti. 0 Comment
  RSA285910  Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma 1 mile W of the Asti turn off of the freeway, Hwy 101, Asti. Comment
  SEINET13331044 Image available Carthamus leucocaulos T. C. Fuller 1969-9-16 18901 Sonoma 0.25 acre of weed scattered over 2 acres, abundant on both slopes of the dam of a reservoir, about 1 mi. W. of the Asti turn-off of the freeway, Hwy 101, Asti Comment
  JEPS31995  Castilleja Helen K. Sharsmith 1962-5-25 5480 Sonoma along road from Freestone to Occidental Comment
  UC986495  Castilleja affinis subsp. affinis W. I. Follett 1937-5-9 Sonoma 0.9 mi se Bodega Bay Post Office (beside highway on ne side of Bodega Bay); Bodega Bay Comment
  JEPS77867  Castilleja attenuata Robert M. Lloyd 1965-5-8 3630 Sonoma 3 mi n Highway 12 junction with Agua Caliente Road (on Highway 12, across from Lawrence Triangle End Garage) Comment
  UC1239027  Castilleja attenuata Freed W. Hoffman 1947-4-3 881 Sonoma near Guerneville (road to Austin Ranch, headwaters of Fife Creek); North Coast Ranges, Fife Creek Comment
  UC1537454  Castilleja densiflora subsp. densiflora Gordon H. True Jr. 1938-4-13 860 Sonoma between Sonoma and Black Point Comment
  UC27168  Castilleja densiflora subsp. densiflora H. N. Bolander 1864-1 3851 Sonoma Mark West Comment
  UC596655  Castilleja foliolosa Rensselaer J. Smith Jul 1904 Sonoma Highland Comment
  SD131915  Castilleja franciscana L. R. Heckard 1964-6-12 1384 Sonoma On SE facing slope back from the ocean in Russian Gulchnear point where highway loops backwestward (about 2I(c) miles N of mouth of Russian River) 91 Comment
  CAS-BOT-BC243850  Castilleja latifolia Mrs. H. C. Cantelow 1934-5-6 528 Sonoma Near Bodega Bay Comment
  CAS-BOT-BC243858  Castilleja latifolia John Thomas Howell 1930-7-27 5412 Sonoma 4 miles north of Bodega Bay Comment
  JEPS16300  Castilleja minor subsp. spiralis Milo S. Baker 1926-9-26 198 Sonoma Hood Mt. 609 Comment
  SEINET10582686  Castilleja roseana Rimo Bacigalupi 1956-5-30 Bacigalupi 5667 Sonoma Along and just above creek-bed, headwaters of Big Austin Creek, vicinity of "The Cedars", near Layton chromite mine. 267 Comment
  SEINET7042575  Castilleja rubicundula subsp. lithospermoides A. G. Vestal 1947-5-16 s.n. Sonoma Ca. 6.7 miles east of Windsor. Jimtown quadrangle UTM Zone 10, 519948mE, 4276242mN. Comment
  CHSC1708  Castilleja subinclusa subsp. franciscana 1947-3-31 Sonoma Bodega. 60 Comment
  JEPS19385  Castilleja subinclusa subsp. franciscana G. Thomas Robbins 1938-4-15 256 Sonoma 2.5 mi e Bodega Bay (along road to Bodega) Comment
  JEPS4858  Castilleja uliginosa Herbert L. Mason 1946-7-4 12892 Sonoma between Santa Rosa and Forestville (Pitkin Marsh); Pitkin Marsh Comment
  JEPS23808  Castilleja wightii Rimo Bacigalupi with Don Liles 1959-7-13 7323 Sonoma 3.5 mi s Fort Ross (along State Hwy 1) 137 Comment
  JEPS35568  Castilleja wightii L. R. Heckard 1964-6-12 1386 Sonoma s side Russian River (just across bridge on State Hwy 1) Comment
  UC190979  Castilleja wightii Katharine Brandegee Jul 1905 Sonoma Bodega Comment
  UC473463  Castilleja wightii John Thomas Howell 1930-6-27 5412 Sonoma 4 mi n Bodega Bay Comment
  SD64442  Castilleja wightii Noel H. Holmgren, James L. Reveal 1966-6-6 2650 Sonoma California 1, 2 miles south of California 116 junction, roadbank away from salt spray Comment
  CAS-BOT-BC39435  Caulanthus lasiophyllus C. F. Baker 1903-4-20 2629 Sonoma Mount Helena. Comment
  CAS-BOT-BC47798  Ceanothus John Thomas Howell 1935-5-5 12613 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  UC1614516  Ceanothus Charles M. Belshaw 1936-3-8 1579 Sonoma 3.14 mi. n. Annadel (n.w. of Kenwood) Comment
  CAS-BOT-BC48515  Ceanothus confusus Bruce A. Stein 1981-5-31 557 Sonoma Rincon Ridge, Fountaingrove Ranch 228 Comment
  CAS-BOT-BC48522  Ceanothus confusus J. Clausen 1933-3-26 739 Sonoma Rincon Range east of Santa Rosa Comment
  CAS-BOT-BC48524  Ceanothus confusus Walter Knight; Cliff Schmidt 1987-2-27 6059 Sonoma Bradford Mt. Road near Dorman Canyon, west of Healdsburg Comment
  OBI10272  Ceanothus confusus H. E. McMinn 1944-11-5 5449 Sonoma Olive orchard on Rincon Ridge Comment
  RSA21893  Ceanothus confusus J. T. Howell 1935-5-5 12621 Sonoma 6 miles from Santa Rosa on road to Sonoma. Comment
  RSA21909  Ceanothus confusus J. T. Howell 1937-4-11 12908 Sonoma Sonoma Creek Canyon at M S Baker's. Comment
  UC1254093  Ceanothus confusus J. A. Delapp 1964-6-5 75 Sonoma Dorman Canyon Ridge 289 Comment
  UC634561  Ceanothus confusus H. L. Mason 1934-4-28 8072 Sonoma Jensen's Ranch, at head of Dohrmans Creek Comment
  CAS-BOT-BC49151  Ceanothus cuneatus John Thomas Howell 1931-3-14 5766 Sonoma River Ridge near Santa Rosa Comment
  CAS-BOT-BC49199  Ceanothus cuneatus A. A. Heller; H. E. Brown 1902-3-12 5045 Sonoma Sonoma Creek, Eastern Base of Mt. Hood Comment
  CDA11331  Ceanothus cuneatus G. F. Hrusa 1995-4-2 12041 Sonoma North Coast Biodiversity Arena; Along Franz Valley School Rd. approx. 1.25 mile NW of Napa/Sonoma county line. Comment
  CAS-BOT-BC49699  Ceanothus cuneatus var. ramulosus Walter Knight; Cliff Schmidt 1987-2-27 6056 Sonoma Cavedale Road 274 Comment
  RSA339399  Ceanothus divergens subsp. confusus Roger Raiche 1985-4-6 50178 Sonoma Dry Creek area near Healdsburg, ridge W of Dry Creek Valley, unamed road N of Dorman Canyon on ridge. 244 Comment
  CAS-BOT-BC64355  Ceanothus foliosus Peter Rubtzoff 1953-5-17 1398 Sonoma Forested hills s. of Guerneville. Comment
  UCD158718  Ceanothus foliosus James A. Neilson Jr. 1974-7-10 2836 Sonoma Mayacmas Mountains. South of Little Geysers. 792 Comment
  UCD158849  Ceanothus foliosus James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2919 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  CAS-BOT-BC64421  Ceanothus foliosus subsp. vineatus Milo S. Baker 1946-4-29 11355 Sonoma Vine Hill region along College Ave. hwy. Comment
  CAS-BOT-BC49902  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
  CAS-BOT-BC49904  Ceanothus foliosus var. foliosus Walter Knight; Irja Knight 1963-9-1 141 Sonoma Pine Mt. Rd. - N.E. of Cloverdale, Harold Smith Ranch Comment
  CAS-BOT-BC49906  Ceanothus foliosus var. foliosus Walter Knight; Cliff Schmidt 1987-2-27 6057 Sonoma Cavedale Road 274 Comment
  CDA11983  Ceanothus foliosus var. foliosus G. F. Hrusa, T. D. Wilfred 1995-12-3 12488 Sonoma North Coast Biodiversity Arena; SE summit of Chalk Mtn., Foote Ranch property, NW base of Mt. St. Helena. Comment
  JEPS128309  Ceanothus foliosus var. foliosus Roger Raiche 2000-5-21 101 .00 Sonoma The Cedars, (shown on SLT maps as Marshall Creek but this not the name on USGS topo sheets.) Gualala River, Wheatfield Fork watershed. Comment
  JEPS25144  Ceanothus foliosus var. foliosus G. Thomas Robbins 1959-5-16 4014 Sonoma Spring Mountain Road, between Calistoga Road and Sonoma-Napa County line Mayacamas Mountains 518 Comment
  UC1299553  Ceanothus foliosus var. foliosus Freed W. Hoffman 1947-2-28 763 Sonoma Wils Hog Ridge, headwaters of Palmer Creek, a branch of Mill Creek near Healdsburg. Comment
  UCD112147  Ceanothus foliosus var. foliosus Collector unknown Date unknown s.n. Sonoma southwestern part of county. Comment
  RSA300966  Ceanothus foliosus var. vineatus D. C. Michener 1982-7-26 4118 Sonoma Vine Hill School road, 100' west of Vine Hill school, lot west of residence 6096; north road bank between vineyard and road Comment
  CAS-BOT-BC50000  Ceanothus gloriosus John Thomas Howell 1935-5-5 12618 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  CAS-BOT-BC50003  Ceanothus gloriosus John Thomas Howell 1935-5-5 12615 Sonoma 6 miles from Santa Rosa on road to Sonoma Comment
  SBBG27258  Ceanothus gloriosus var. exaltatus C. B. Wolf 1941-7-30 4389 Sonoma 8.5 mi S of Stewart's Pt, at entrance to Salt Pt Ranch 30 Comment
  UC604114  Ceanothus gloriosus var. exaltatus Leo Koch 1938-5-26 164 Sonoma transplanted from Vine Hill near type locality Santa Rosa (Junior College). Comment
  CAS-BOT-BC63738  Ceanothus griseus Carl B. Wolf 1941-7-30 11109 Sonoma Along coast, 3 mi. n. Jenner. Comment
  CAS-BOT-BC63740  Ceanothus griseus Ella Dales Cantelow 1940-4-20 4288 Sonoma N. of Fort Ross. Hwy 1. Comment
  CHSC59346  Ceanothus incanus Frederic Hrusa 1989-1-24 5802 Sonoma In moist draws along Ida Clayton Rd. on N slope of Mt. St. Helena. Comment
  CDA37445  Ceanothus integerrimus var. macrothyrsus D. G. Kelch, T. McGregor 2010-8-22 10 .343 Sonoma Geyser Peak Rd. Comment
  CAS-BOT-BC50649  Ceanothus jepsonii Gladys L. Smith 1977-3-30 4651 Sonoma Harrison Grade, Occidental region 457 Comment
  CAS-BOT-BC50650  Ceanothus jepsonii Catherine Best 1981-4-4 s.n. Sonoma Harrison Grade Road 2 miles north of Occidental Comment
  UCD168055  Ceanothus jepsonii James Neilson 1978-6-7 3965 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-BC51131  Ceanothus jepsonii var. albiflorus Marie Kelly 1958-4-1 s.n. Sonoma In northern Sonoma Co. SE. of McDonald Comment
  JEPS42422  Ceanothus jepsonii var. albiflorus W. L. Jepson 1924-4-27 10377 Sonoma Mt. St. Helena, E side, on Middleton grade Comment
  RSA301114  Ceanothus parryi D. C. Michener 1982-7-26 4121 Sonoma Graton road 5.6 miles W of RR xing in Graton, 0.2 miles E of jct with Bohemian Hwy Comment
  UC1299559  Ceanothus prostratus Freed W. Hoffman 1947-8-4 1429 Sonoma Mt. St. Helena North Coast Ranges, Mt. St. Helena 792 Comment
  UC1254092  Ceanothus purpureus J. A. Delapp 1964-2-28 71 Sonoma Black Mountain, Quad. 61D-3 457 Comment
  RSA755234  Ceanothus sonomensis Dylan O. Burge 2007-4-27 DOB 897 c Sonoma Mayacmas Mts.: Hood Mt. Regional Park and Open Space Preserve, west flank of Mount Hood, on Valley View Trail, accessed via Lower Johnson Ridge Trail, Pond Trail, and Valley View Trail., (parking 1.2 road miles E of SR 12 on Pythian Road), 11 km 339 degrees true NNW of Glen Ellen. 480 Comment
  SBBG4507  Ceanothus sonomensis M. Van Rensselaer 1941-4-27 1638 Sonoma Mt Hood Range, between Valley of the Moon and Napa Valley on Trinity Rd just above rock quarry Comment
  CAS-BOT-BC282017  Centaurea calcitrapa Greg de Nevers 1987-5-11 8176 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd, Santa Rosa 400 Comment
  JEPS86737  Centaurea calcitrapa Jack and Betty Guggolz 1990-10-7 1099 Sonoma pasture at the highest point s of N. Gilchrist Road and e of Highway 16 N. Gilchris Road 60 Comment
  JEPS86808  Centaurea calcitrapa Jack and Betty Guggolz 1991-6-1 1162 Sonoma on e side of hwy, just n of its intersection with Hessel Road Hwy 116 42 Comment
  CAS-BOT-BC277018  Centaurea iberica Bremner 1932-8-11 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC277161  Centaurea melitensis Peter Rubtzoff 1952-6-10 1220 Sonoma Northeast and east slope of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC277162  Centaurea melitensis Mary P. Wells 1984-5-24 292 Sonoma Annadel State Park, Santa Rosa Comment
  CDA19936  Centaurea melitensis McArthur 2002-7-2 PDR P 092644 Sonoma Northern California; Annadel State Park. 0 Comment
  CAS-BOT-BC277251  Centaurea solstitialis Peter Rubtzoff 1953-11-1 1438 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  CAS-BOT-BC277252  Centaurea solstitialis Walter Knight; Irja Knight 1963-9-29 230 Sonoma Near railroad bridge ca. 1 mi of Petaluma Comment
  JEPS20838  Centaurium muehlenbergii Harry K. Roberts 1958-7-8 Sonoma 0.1 mi e junction of the Sebastopol and Occidental roads (and extending w toward Sebastopol for 1.2 mi on the lower half of the borrow pit on the s side of the Sebastopol-Santa Rosa highway) Comment
  JEPS79685  Centaurium trichanthum Nancy Harrison 1980-7-19 2143 Sonoma n of Kirby Lane (and e of s Wright Rd, air center property); Santa Rosa Comment
  CAS-BOT-BC288813  Centromadia fitchii James I. McMurphy 1917-9-15 s.n. Sonoma Litton Station 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
  UCD166484  Cerastium Peter Rubtzoff 1964-5-20 5315 Sonoma Brooks Gulch Marsh. Comment
  CAS-BOT-BC384977  Cerastium arvense Catherine Best 1981-4-4 s.n. Sonoma Coleman Valley Road about 4 miles west of Occidental Comment
  JEPS77255  Cerastium glomeratum Robert M. Lloyd 1963-4-24 2394 Sonoma 13.8 mi. from State Hwy. 12 on rd. to Oakdale 365 Comment
  CDA16230  Ceratophyllum demersum G. F. Hrusa, R. Gross 1998-2-15 14151 Sonoma Knights Valley; Foote Ranch. 0 Comment
  CAS-BOT-BC400233  Ceratophyllum demersum Peter Rubtzoff 1964-8-20 5464 Sonoma 1 mi. southeast of Jenner (nr. crossing of Hwys. 1 & 12) Comment
  UCD162158  Cercocarpus betuloides D. O. Burge; K. Zhukovsky, A. Ash, M. Schwager 2014-3-23 1512 Sonoma Hooker Creek watershed. 450 Comment
  CAS-BOT-BC135417  Cercocarpus betuloides var. betuloides Mary P. Wells 1987-3-27 878 Sonoma By West Soda Creek Road on cliff above Russian River Comment
  UC754296  Chamaemelum fuscatum R. Bacigalupi 1948-4-4 2870 Sonoma 2 mi s of Asti (along U.S. 101) Comment
  UCD167341  Chamaemelum fuscatum James Neilson 1980-5-1 3427 Sonoma Mayacmas Mountains. about 1 mi. southwest of Geysers Resort off of Geysers-Healdsburg Rd. Ranch 1 mile south old Mercuryville. (Exact location unknown. Coordinates estimated by label maker. Neilson probably meant 1 mile north of old Mercuryville.) Comment
  UC205112  Cheilanthes intertexta Michener and Bioletti March 1893 Sonoma Hood's Peak Comment
  CAS-BOT-BC178699  Chenopodiaceae Peter Rubtzoff 1976-9-25 8903 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville Comment
  CAS-BOT-BC166674  Chenopodium Peter Rubtzoff 1973-8-20 7233 Sonoma Sonoma Creek bottom near Aqua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC166667  Chenopodium Peter Rubtzoff 1972-7-22 6831 Sonoma Laguna, Chileno Valley. Comment
  UC851040  Chenopodium californicum Milo S. Baker 1931-4-18 5396 Sonoma Salmon Cr.; mouth Comment
  CAS-BOT-BC499260  Chlorogalum pomeridianum F. G. Kraus 1894-5-1 s.n. Sonoma Mountains west of Calistoga Comment
  JEPS50856  Chlorogalum pomeridianum var. pomeridianum H-M. Beard Jun 26 1967-Jun 27 1967 61 .104 Sonoma Comment
  CAS-BOT-BC191507  Chorizanthe cuspidata var. villosa Alice Eastwood 1915-6-29 4832 Sonoma Bodega Point Comment
  CAS-BOT-BC191510  Chorizanthe cuspidata var. villosa Lewis S. Rose 1962-8-6 62077 Sonoma Bodega Point 30 Comment
  CAS-BOT-BC285250  Cichorium intybus W. W. Carruth 1900-7-1 s.n. Sonoma Near Healdsburg Comment
  RSA0015628  Cirsium brevistylum Peter Rubtzoff 1964-5-20 5313 Sonoma Brooks Gulch Marsh. Comment
  CDA20719  Cirsium douglasii S. Ostrom 2006-7-19 PDR 1328643 Sonoma East of 5556 Pine Flat Rd., Geyserville. 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-BC279996  Cirsium douglasii var. douglasii Alice Eastwood 1915-6-29 4887 Sonoma Bodega Point Comment
  UCD130615  Cirsium douglasii var. douglasii P. B. Kennedy 1919-5-16 s.n. Sonoma Del Mar. Comment
  CAS-BOT-BC285709  Cirsium occidentale var. occidentale Ella Dales Cantelow 1941-6-7 3555 Sonoma State Hy 1 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
  CAS-BOT-BC290642  Cirsium occidentale var. occidentale Peter Rubtzoff 1960-9-14 4546 Sonoma Laguna de Santa Rosa area, east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC280364  Cirsium occidentale var. venustum Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  JEPS77264  Cirsium occidentale var. venustum Robert M. Lloyd 1963-4-24 2401 Sonoma 18.3 mi e State Highway 12 (on road to Oakdale) 243 Comment
  CAS-BOT-BC280539  Cirsium quercetorum John Thomas Howell 1938-7-3 13953 Sonoma Stony Point Comment
  UCD130628  Cirsium quercetorum Mary M. Hektner; Cathy Hendel, Sue Dakuzaku 1974-6-24 58 Sonoma Unit 1 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC285752  Cirsium remotifolium John Thomas Howell 1937-7-4 13070 Sonoma Near Petrified Forest Comment
  CAS-BOT-BC285751  Cirsium remotifolium Alice Eastwood; John Thomas Howell 1938-7-6 6088 Sonoma Alder Glen Springs Comment
  UC1299441  Cirsium remotifolium var. odontolepis Freed W. Hoffman 1946-8-25 792 Sonoma near Guerneville; North Coast Ranges, Cemetery Ridge Comment
  UCD161248  Clarkia affinis James A Neilson Jr.; Teresa A. Sholars 1976-5-11 3705 Sonoma Mayacmas Mountains. Eight miles east of U.S. Highway 101, ca. 1 mile north of the Geysers Road; Aidlin-Gouvea Leasehold. (Elevation and exact location estimated by label maker.) Comment
  UC112986  Clarkia amoena subsp. amoena Katharine Brandegee 1908-6-28 Sonoma Glen Ellen Comment
  CAS-BOT-BC161056  Clarkia amoena subsp. amoena Peter Rubtzoff 1962-7-14 s.n. Sonoma 4 mi. west of Petaluma Comment
  CAS-BOT-BC172205  Clarkia concinna A. A. Heller 1902-6-26 5776 Sonoma Along Sonoma Creek, at the foot of Mt. Hood Comment
  UCD160125  Clarkia concinna James A. Neilson Jr. 1973-6-6 2987 Sonoma Mayacmas Mountains. The Geysers. Site III. [Location of Site III at The Geysers taken from Neilson 3115 which gave the Township/Range of the location. Elevation and coordinates estimated by label maker.] 731 Comment
  UC192014  Clarkia concinna subsp. concinna Michener and Bioletti June 1893 Sonoma Kenwood Comment
  CAS-BOT-BC163145  Clarkia gracilis subsp. sonomensis Blanche Clear 1938-5-28 s.n. Sonoma Geyserville toward Alexander Valley Comment
  UC930766  Clarkia gracilis subsp. sonomensis Alice Eastwood 1915-6-5 4592 Sonoma Petrified Forest Comment
  POM32272  Clarkia gracilis subsp. sonomensis Michener, Bioletti 1893-06 s.n. Sonoma Glen Ellen Comment
  SD51810  Clarkia imbricata Peter H. Raven, Richard Snow 1958-7-23 13691 Sonoma Very near type locality; common in grassy field at 4551 Vine Hill Road near Pitkin Marsh. Comment
  CAS-BOT-BC163468  Clarkia purpurea subsp. quadrivulnera John Thomas Howell 1929-6-9 4301 Sonoma 2 miles n. of Sonoma Comment
  CAS-BOT-BC164583  Clarkia purpurea subsp. viminea Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  POM187327  Clarkia unguiculata Marcus E. Jones 1931-7-5 29038 Sonoma The Geysers. Comment
  RSA177960  Claytonia exigua subsp. exigua R. F. Thorne 1965-4-20 34379 Sonoma ca. 3/4 mi.; Charles Newman s place up Los Alamos Rd., on Rincon Ridge. 396 Comment
  JEPS128323  Claytonia gypsophiloides Roger Raiche 2000-3-11 004 .00 Sonoma The Cedars. Lower Russian, Big Austin Creek watershed. Comment
  UC1587537  Claytonia gypsophiloides K. L. Chambers 1977-3-29 4252 Sonoma 3.7 mi nw Hwy. 128 (Cloverdale to Boonedale rd.) jct. with Hwy. 101 (near Cloverdale) Comment
  UC486516  Claytonia gypsophiloides H. E. and S. T. Parks 1930-5-10 624 Sonoma Knights Valley 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
  POM164088  Claytonia gypsophiloides A. A. Heller, H. E. Brown 1902-3-16 4611 Sonoma Russian River, Near Trenton Comment
  CAS-BOT-BC439633  Claytonia parviflora subsp. parviflora Peter Rubtzoff 1957-5-4 3305 Sonoma Duncan Mills Marsh. Comment
  SEINET5173903  Claytonia perfoliata Unknown 1994-4-3 74 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  SEINET11935786  Claytonia perfoliata Unknown 1987-1 70028 Sonoma S of mouth of Russian River, Goat Rock State Park, W of Coast Hwy 1, S of main entrance rd into park 9 Comment
  SEINET12092983  Clematis lasiantha I. Knight, Knight, W.; Edwards, S. Dr 1986-1 5346 Sonoma Along trail to summit of Geyser Peak, access from Healdsburg-Geysers Rd 853 Comment
  UC465904  Clematis ligusticifolia V. King Chesnut Aug. 1887 Sonoma near Santa Rosa Comment
  UC909544  Clintonia andrewsiana E. W. Gifford August, 1950 Sonoma near Stewart's Point (adjacent to coast) 304 Comment
  SEINET12047064  Clintonia andrewsiana Unknown 1972-1 s.n. Sonoma Willow Creek, 4 mi S to SE of Jenner, in N-S canyon paralleling coast 30 Comment
  SEINET12047073  Clintonia andrewsiana F. H. Utech, Utech, C. L. 1972-1 72 -603 Sonoma Armstrong Redwoods State Park 183 Comment
  NY68258  Collinsia arvensis E. L. Greene 1892-4-20 s.n. Sonoma Knight's Valley. Comment
  UC1012303  Collinsia heterophylla F. W. Pennell and H. L. Mason 1940-5-21 25481 Sonoma Kellogg, Route 28 Kellogg; , Route 28 274 Comment
  UC796639  Collinsia sparsiflora var. arvensis Ira L. Wiggins 1949-4-30 12061 Sonoma roadside 6.8 mi e of Santa Rosa (on road to Calistoga) Comment
  JEPS128185  Collinsia sparsiflora var. sparsiflora Roger Raiche 2000-4-8 032 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS15453  Collinsia tinctoria Eleanor Armstrong May 1932 508 Sonoma Camp Meeker; near rr tressel 121 Comment
  JEPS7308  Collinsia tinctoria Milo S. Baker 1904-6-19 Sonoma Sonoma Cr. Canyon Comment
  UCR265108  Collinsia tinctoria Ann Howald 2015-4-1 3330 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 16.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 294 Comment
  CAS-BOT-BC229544  Collomia diversifolia Peter Rubtzoff 1973-7-24 7201 Sonoma Upper Green Valley Marsh Comment
  SEINET12337433  Collomia heterophylla W. Knight, Knight, I.; Knight, T. 1985-1 5147 Sonoma Comment
  UCD127332  Conium maculatum Terri Williamson 1990-5-20 66 Sonoma Bayflat Rd. Bodega Bay. 3 Comment
  CAS-BOT-BC288914  Conyza canadensis Peter Rubtzoff 1951-9-2 724 Sonoma Pitkin Marsh, near Forestville. Area separating the western branch of the Upper Marsh from the eastern Comment
  JEPS64349  Corallorhiza maculata Docia I. Patchett 1917-5-7 Sonoma Cazadero Rd near Williams Comment
  UCD138898  Corallorhiza striata K. Esau 1933-4-14 s.n. Sonoma Napa County, Calistoga, near petrified forest. Comment
  CAS-BOT-BC376304  Cordylanthus pilosus subsp. pilosus Greg de Nevers 1990-7-24 9678 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. At top of Telegraph Hill. 400 Comment
  JEPS28863  Cordylanthus pilosus subsp. pilosus Roxana S. Ferris and Laura Lorraine 1960-9-30 13594 Sonoma Upper Harrison Grade Comment
  UC1239006  Cordylanthus pilosus subsp. pilosus Freed W. Hoffman 1946-8-14 783 Sonoma e of Camp Meeker Comment
  RSA0006006  Cordylanthus pilosus var. brunneus W. L. Jepson 1894-7-19 21109 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC238224  Cordylanthus tenuis subsp. brunneus Greg de Nevers 1991-7-15 9758 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  JEPS33006  Cordylanthus tenuis subsp. capillaris Freed W. Hoffman 1946-8-14 784 Sonoma e Camp Meeker Comment
  JEPS74989  Cordylanthus tenuis subsp. capillaris T. I. and F. M. Chuang 1975-7-5 7520 Sonoma n Occidental (Stoetz Lane, about 3/4 mi w of Harris Grade Road) Comment
  UCR78363  Cordylanthus tenuis subsp. capillaris T. I. Chuang, F. M. Chuang 1970-8-25 6845 Sonoma 2.7 mi east of Occidental 138 Comment
  RSA0034034  Cornus Peter Rubtzoff 1987-7-18 9797 Sonoma Russian River at Forest Hills, ca. 5.5 miles east of Guerneville. Along river, off Summerhouse Park Road, 0.2 miles west of Forest Hills Road. Comment
  CAS-BOT-BC210433  Cornus sericea Peter Rubtzoff 1951-7-22 534 Sonoma Pitkin Marsh, near Forestville. Uppermost part of the western branch of the Upper Marsh Comment
  JEPS77872  Cornus sericea subsp. sericea Robert M. Lloyd 1965-5-8 3635 Sonoma s.e. Sebastopol (ca. 4 mi. n. of Rte. 116, e. of Cunningham, upper portion of Laguna de Santa Rosa Marsh, Llano Rd.); Laguna de Santa Rosa Marsh Comment
  UC1042524  Cornus sericea subsp. sericea Peter Rubtzoff 1951-6-7 126 Sonoma Pitkin Marsh near Forestville (uppermost part of w. branch of Upper Marsh) Comment
  UC723024  Coronopus didymus C. L. Hitchcock, J. S. Martin 1939-7-15 5445 Sonoma below Bodega State Park Comment
  UC72918  Coronopus didymus Miss M. Alice King 1897-5-1 Sonoma near Healdsburg (Dry Creek); Dry Creek Comment
  HSC100847  Cortaderia jubata J. P. Smith, J. O. Sawyer, & R. J. Cole 2009-10-11 12695 Sonoma Along Bay Highway (Hwy. 1) in Bodega Bay. 15 Comment
  UCD59797  Cortaderia jubata Beecher Crampton 1981-11-8 9806 Sonoma Northwest of Jenner. Comment
  UCSB1014  Corylus cornuta subsp. californica Keator, Glenn 1959-4-2 Sonoma 0.6 miles north of junction of Laguna road and 5.1 miles north of Sebastopol in Vinehill region Comment
  JEPS18019  Cotula coronopifolia George B. Rossbach 1955-3-19 527 Sonoma se end Bodega Head 22 Comment
  POM66990  Cotula coronopifolia Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  UCD130896  Cotula coronopifolia Charles B. Heiser Jr. 1946-3-29 1891 Sonoma on road to Sonoma from Napa, Hwy 12. Comment
  CAS-BOT-BC427647  Crassula aquatica Greg de Nevers 1992-7-21 10221 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. 457 Comment
  CAS-BOT-BC427659  Crassula aquatica Peter Rubtzoff 1969-6-14 6074 Sonoma 6.5 mi. northeast of Penngrove, on Lichau Road 426 Comment
  UCR254836  Crataegus Greg de Nevers 1998-10-2 11309 Sonoma Santa Rosa; Santa Rosa Creek at Fulton Road 30 Comment
  RSA534716  Crataegus suksdorfii Peter Rubtzoff 1973-10-10 7344 Sonoma Bank of a dry creek, 2 miles W of Bloomfield Comment
  SJSU7519  Croton setiger L. S. Rose 1964-8-26 64065 Sonoma 6.5 mi NE of Penngrove 426 Comment
  CDA36048  Crupina vulgaris CDFA Staff Sep 1976 Sonoma Santa Rosa. 0 Comment
  CAS-BOT-BC190106  Crypsis schoenoides Peter Rubtzoff 1969-10-29 6200 Sonoma Pond on River Road 3 miles west of Fulton. Comment
  UCD167559  Cryptantha James A. Neilson Jr. 1976-6-18 s.n. Sonoma Mayacmas Mountains. Squaw Creek. 1/4 mile from Black Hawk Ranch headquarters. 20 feet above creek. (Exact location unkown. Coordinates estimated by label maker. Black Hawk Ranch location not found. Location georeferenced at the end of Ottobani Ridge between Big Sulphur Creek and Squaw Creek because neilson collected in that area on 18 June 1976.) Comment
  CAS-BOT-BC376225  Cryptantha Greg de Nevers 1992-5-28 10156 Sonoma Sonoma Mountain Road, Bunnell Vernal Pool, on Zen Center property 304 Comment
  JEPS67871  Cryptantha torreyana Milo S. Baker 1898-4-23 620 Sonoma canyon of Santa Rosa Creek Santa Rosa Creek Comment
  RSA785747  Cucurbita Peter Rubtzoff 1958-8-9 3847 Sonoma Laguna de Santa Rosa north of Sebastopol near Occidental Road. 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
  CAS-BOT-BC85457  Cupressus sargentii Frederick H. Utech; W. Knight; Irja Knight 1984-4-18 84166 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  POM215751  Cupressus sargentii Jens Clausen 1933-3-26 749 Sonoma Summit of Harrison Grade, between Graton and Occidental Comment
  RSA17610  Cupressus sargentii C. B. Wolf, E. R. Johnson 1934-10-13 6183 Sonoma 2.8 miles from Camp Meeker on road to Monte Rio 61 Comment
  RSA6472  Cupressus sargentii Jens Clausen 1933-3-26 749 Sonoma Summit of Harrison Grade, between Graton and Occidental Comment
  UC1502540  Cupressus sargentii S. W. Edwards 1981-9-20 Sonoma ne of Occidental (on Stoetz Lane, off Harrison Grade) Comment
  UC552376  Cupressus sargentii Rimo Bacigalupi 1935-7-12 2374 Sonoma 10 mi e Healdsburg (at Pine Flat, s end of Mayacamas Range); Mayacamas Range, Pine Flat Comment
  CAS-BOT-BC361393  Cuscuta californica var. breviflora Greg de Nevers 1993-8-7 10481 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CDA15297  Cuscuta howelliana G. F. Hrusa, R. Buckmann (DFG) 1996-10-5 13583 Sonoma North Coast Biodiversity Arena; Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m. SW of Calistoga. Sheet 1 of 3. Comment
  CAS-BOT-BC182774  Cuscuta pentagona Peter Rubtzoff 1975-9-28 8414 Sonoma Russian River bank at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC727760  Cuscuta pentagona Milo S. Baker 1946-8-17 11559 Sonoma The Laguna, at the crossing of the Occidental Rd The Laguna Comment
  JEPS128271  Cymopterus terebinthinus var. californicus Roger Raiche 2000-4-7 020 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC376435  Cynodon Greg de Nevers 1996-9-23 10879 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Franz Creek at Piney Canyon. 400 Comment
  RSA0022352  Cynodon Peter Rubtzoff 1970-9-13 6385 Sonoma Russian River bottom at Forest Hills (5.5 mi east of Guerneville). Comment
  UCD144421  Cynodon dactylon Frederica Bowcutt 1996-5-24 2165 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. Approx. 1.2 air miles S of Red Mountain. Adobe Canyon just NW of Sonoma/Rattlesnake Creek confluence. Along Adobe Canyon Road in front of Bud Getty's house, near service area and coral. 365 Comment
  POM369230  Cynoglossum grande Christopher Davidson 1977-6-20 6032 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  UC75666  Cynoglossum grande Miss Emma Sobenstein 1906-1 Sonoma Valley Ford Comment
  CAS-BOT-BC320564  Cynosurus Peter Rubtzoff 1974-5-25 7460 Sonoma Upper Green Valley Marsh. Comment
  UC1146682  Cynosurus echinatus Freed W. Hoffman 1941-6-1 2186 Sonoma Oregon Canyon; North Coast Ranges, Oregon Canyon Comment
  RSA0022426  Cynosurus echinatus Peter Rubtzoff 1972-5-25 6765 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC114686  Cyperus bipartitus Herbert L. Mason 1946-7-4 12884 Sonoma Pitkin Marsh, between Santa Rosa and Forestville. Comment
  CAS-BOT-BC114517  Cyperus eragrostis Walter Knight; Irja Knight 1963-10-3 356 Sonoma Bennett Valley Comment
  UC727744  Cyperus eragrostis Milo S. Baker 1946-8-17 11556 Sonoma at Sebastopol Crossing La Laguna Comment
  CAS-BOT-BC114353  Cyperus erythrorhizos Peter Rubtzoff 1958-9-21 4001 Sonoma Vacation Beach, near Guerneville. Open, wet sandy margin of Russian River. Comment
  CAS-BOT-BC114437  Cyperus erythrorhizos Peter Rubtzoff 1959-8-30 4241 Sonoma Drake's Beach, near Guerneville. Open, wet gravelly margin of Russian River. Comment
  CAS-BOT-BC435188  Cypselea humifusa Peter Rubtzoff 1958-9-20 3991 Sonoma Laguna de Santa Rosa northeast of Graton (1/2 mi. north of Guerneville Rd.). Comment
  CAS-BOT-BC435191  Cypselea humifusa Peter Rubtzoff 1966-9-25 5827 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  CAS-BOT-BC435192  Cypselea humifusa Peter Rubtzoff 1969-8-24 6145 Sonoma Pond on River Road 3 mi. west of Fulton. Comment
  UC399279  Cystopteris fragilis Michener and Bioletti Apr. 1893 5 Sonoma Adobe Canyon Comment
  UCD60196  Dactylis glomerata Mary M. Hektner; Sue Dakuzaku 1974-6-4 21 Sonoma Near State Hwy 1, Unit 24 Owners' Map, Sea Ranch; surrounding Kirkwood house. Comment
  CAS-BOT-BC189847  Dactylis glomerata Mary P. Wells 1982-8-21 137 Sonoma Salt Point State Park. Comment
  CAS-BOT-BC445559  Damasonium californicum J. W. Congdon 1880-4-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC192269  Danthonia californica Peter Rubtzoff 1951-6-17 267 Sonoma Eastern branch of the Upper Marsh Comment
  CAS-BOT-BC192283  Danthonia californica Peter Rubtzoff 1951-6-17 267 Sonoma Eastern branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  JEPS121156  Danthonia californica Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18595 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  JEPS86300  Danthonia californica Jack and Betty Guggolz 1989-4-29 1002 Sonoma Comment
  UC1131385  Danthonia californica H. S. Yates 1937-5-30 6540 Sonoma 1 1/2 mi sse Graton; Sebastopol Quadrangle Comment
  UCD21145  Danthonia californica Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 320 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  UCD60989  Danthonia californica Beecher Crampton 1966-5-10 7724 Sonoma 6.5 miles north of Sonoma State Hwy. 12. Comment
  UCD60994  Danthonia californica R. Tofsrud 1947-6-16 36 Sonoma Near Wright School, Hwy. 12 Comment
  UCD61031  Danthonia californica Gerry North 1993-4 37 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At lower camping area, 50 m E of foot bridge. 365 Comment
  UCR279609  Danthonia californica Peter Rubtzoff 1959-5-30 4072 Sonoma Freestone Marsh 79 Comment
  UC1023587  Danthonia californica Virginia Bufford 1936-5-14 282 Sonoma Sonoma Mt. Rd. about 10 mi from Santa Rosa Comment
  UCD61010  Danthonia californica R. Tofsrud 1948-5-9 Sonoma 1 mi. E of Mark West Springs. Comment
  CHSC83170  Danthonia californica var. americana Beecher Crampton 1962-5-8 6411 Sonoma 5 miles south of Geyserville. Comment
  SEINET4566587  Danthonia californica var. americana B. Crampton 1963-5-27 6811 Sonoma Alexander Valley; State Highway 128, about 8 miles southeast of Geyserville 152 Comment
  UCD32527  Danthonia californica var. americana Beecher Crampton 1954-5-9 1838 Sonoma Sonoma County, road to Santa Rosa, 4 miles west of Calistoga. Comment
  POM267996  Danthonia californica var. californica D. D. Keck 1944-7-11 5513 Sonoma 1 mi. S. of bridge across mouth of Russian River, open grassy field 1/2 mi. from ocean 23 Comment
  CAS-BOT-BC154136  Datura Peter Rubtzoff 1961-8-22 4677 Sonoma Fife Creek Marsh, along Fife Creek Comment
  UC444931  Datura stramonium V. King Chesnut 1887-8-1 Sonoma Santa Rosa Comment
  UCD127397  Daucus carota R. Tofsrud 1948-6-24 s.n. Sonoma Santa Rosa. Comment
  UC353900  Daucus pusillus Milo S. Baker 1927-5-7 2122 a Sonoma slope above house at Maple Glen Comment
  CAS-BOT-BC293815  Deinandra corymbosa Milo S. Baker 1930-6-1 4168 a Sonoma Fappiano's Ranch just north of his Subdivision on Russian River. Near Healdsburg Comment
  UCD131046  Deinandra corymbosa Mary M. Hektner 1975-8-14 223 Sonoma road cut not far from hedgerow separating Units 28 and 34-A Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD166347  Deinandra corymbosa Peter Rubtzoff 1954-8-3 1646 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC9020  Delphinium decorum John Thomas Howell 1931-4-18 6416 Sonoma Larkspur Rock near Bodega Bay Comment
  POM150566  Delphinium decorum A. A. Heller, H. E. Brown 1902-4-11 s.n. Sonoma Bodega Bay Comment
  UC1299394  Delphinium hesperium subsp. hesperium Freed W. Hoffman 1950-4-27 3475 Sonoma near Hacienda (Roy Litton Ranch); North Coast Ranges 304 Comment
  CAS-BOT-BC10126  Delphinium luteum Mary Hallett 1927-4-1 s.n. Sonoma Graton Comment
  CAS-BOT-BC8008  Delphinium nudicaule William Henry Brewer 1862-4-18 968 Sonoma near Sonoma Comment
  SEINET7075473  Delphinium nudicaule A. G. Vestal 1955-5-7 s.n. Sonoma 4 air-miles north of Occidental and just east of the divide above Oregon Canyon. 38? deg. 27' 56" North Latitude, -122? deg. 56' 33" West Longitude. (NAD 27), UTM Zone 10, 505013mE, 4257264mN. [Coordinate Datum: WGS84/NAD83]. Comment
  UC1126017  Delphinium nudicaule E. Armstrong 1934-3-26 953 Sonoma 1 mi nw Camp Meeker; Sebastopol Quadrangle 121 Comment
  UC635362  Delphinium nudicaule H. L. Mason 1930-6-1 5643 Sonoma mouth Gualala River Comment
  CAS-BOT-BC8004  Delphinium nudicaule Milo S. Baker 1935-5-12 8080 Sonoma 0.5 mi. up Salmon Creek Comment
  UC1334517  Delphinium variegatum G. A. L. Mehlquist and J. A. Jenkins 1940-5-28 1 Sonoma on Route 12 0.7 mi s Nunn's canyon road Comment
  RSA122789  Delphinium variegatum B. O. Schreiber 1936-3-5 2210 Sonoma 2 miles WNW of Mark W Springs. 122 Comment
  SEINET12093545  Delphinium variegatum F. H. Utech 1986-1 86 -107 Sonoma ca 3 mi NE on Cavedale Road from junction with CA 12 250 Comment
  UC118590  Delphinium variegatum subsp. variegatum T. S. Brandegee Sonoma Santa Rosa Comment
Read comments
Nov 9 2006
  RSA59844  Delphinium variegatum subsp. variegatum J. Ewan 1935-5-12 9240 Sonoma Los Guilicos, 2 miles N of Kenwood. Comment
  NY387587  Dendromecon myrtifolia A. A. Heller 1902-5-29 5618 Sonoma Mt. Hood Comment
  SEINET12091845  Dendromecon rigida F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -160 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane 146 Comment
  SEINET5339603  Dendromecon rigida K. Brandegee 94 Sonoma Mt. St. Helena, North Coast Ranges, on slopes back of the Toll House. Comment
  UCD95142  Dendromecon rigida Collector unknown Date unknown s.n. Sonoma S.W. Comment
  CAS-BOT-BC182746  Dentaria Peter Rubtzoff 1957-5-4 3313 Sonoma Duncans Mills Marsh area Comment
  UC573999  Deschampsia cespitosa subsp. cespitosa H. S. Yates 1936-5-16 5605 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad. Comment
  CAS-BOT-BC192615  Deschampsia cespitosa subsp. holciformis David L. Morgan 1960-7-10 s.n. Sonoma Bodega coast 1 mi. south of Carmet Comment
  UC1146614  Deschampsia cespitosa subsp. holciformis Freed W. Hoffman 1943-5-9 2204 Sonoma Bodega Park North Coast Ranges, Sonoma Coast, Bodega Park Comment
  CAS-BOT-BC210166  Deschampsia danthonioides Peter Rubtzoff 1974-5-26 7494 Sonoma Todd Road 1.5 mi. from Hwy. 116 and 0.5 mi. from Llano Road. Comment
  CAS-BOT-BC201961  Deschampsia elongata Lewis S. Rose 1962-6-1 62064 Sonoma 1 mi. NW of Freestone 76 Comment
  CAS-BOT-BC201962  Deschampsia elongata Peter Rubtzoff 1962-10-9 s.n. Sonoma Russian River Mouth Marsh Comment
  RSA784398  Deschampsia elongata Peter Rubtzoff 1962-6-13 4902 Sonoma Freestone Marsh. Comment
  UCD63585  Deschampsia elongata Roxana S. Ferris; Laura Lorraine 1961-6-14 13544 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner. Comment
  UCD63716  Deschampsia elongata P. B. Kennedy 1916-7-17 Sonoma Del Mar Ranch. Comment
  CAS-BOT-BC209250  Dichanthelium acuminatum subsp. acuminatum F. G. Krauss 1893-10-29 s.n. Sonoma Geyser Canyon Comment
  CAS-BOT-BC502211  Dichelostemma capitatum Alice Eastwood 1921-4-24 10346 Sonoma Santa Rosa Comment
  CAS-BOT-BC502212  Dichelostemma capitatum Wayne Roderick 1967-5-20 s.n. Sonoma n.w. edge of Santa Rosa 45 Comment
  HSC3074  Dichelostemma capitatum subsp. capitatum S. N. Wiemeyer 1962-4-20 19 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  UCD139196  Dichelostemma capitatum subsp. capitatum Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 68 Sonoma Sugarloaf Ridge State Park; about 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Comment
  CAS-BOT-BC502562  Dichelostemma congestum G. DeNevers 1981-5-9 1076 Sonoma Pepperwood Ranch; above Redwood Canyon, S of it (BLM) Comment
  UC665619  Dichondra donelliana A. A. Beetle 1940-4-7 2598 Sonoma 5 mi n Jenner Comment
Read comments
Apr 2 2015
  CAS-BOT-BC376299  Digitalis purpurea Greg de Nevers 1992-6-26 10190 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. Along Franz Creek 91 Comment
  CAS-BOT-BC210146  Digitaria Peter Rubtzoff 1965-8-16 5597 Sonoma Russian River bottom at Forest Hills (5.5 mi. E of Guerneville). Comment
  CDA37724  Dipsacus sativus R. Breckenridge/S. Ostrom 2009-5-6 s.n. Sonoma Windsor, along Highway 101. 0 Comment
  UCD148325  Dipsacus sativus Peter Rubtzoff 1954-7-27 1570 Sonoma Guerneville Marsh. Comment
  RSA122773  Dirca occidentalis Milo S. Baker 1942-5-20 10197 Sonoma 2 miles west of Bodega town on a road which turns right within the town Comment
  CAS-BOT-BC182753  Distichlis spicata Peter Rubtzoff 1955-8-20 2065 Sonoma Bodega Harbor Marsh. Comment
  UCD64557  Distichlis spicata Beecher Crampton 1957-7-11 4315 Sonoma At the western edge of Bodega Harbor, about 2 miles by road, west of the town of Bodega Bay. Comment
  SEINET10564424  Distichlis spicata var. stricta George B. Van Schaack 1957-9-5 Van Schaack 3609 Sonoma In soft sand of salt marsh. Thick stand with Salicornia spp. Bodega Bay. Comment
  JEPS30786  Dodecatheon hendersonii G. Thomas Robbins 1937-3-25 12 Sonoma e Santa Rosa; Santa Rosa Creek Canyon, e of Santa Rosa Comment
  UC1123264  Dodecatheon hendersonii B. O. Schreiber 1938-2-27 2467 Sonoma 2 mi wnw Mark West Springs; Healdsburg Quad. 121 Comment
  UC483301  Dodecatheon hendersonii Ira L. Wiggins 1932-3-12 5759 Sonoma between Knight's Valley and Franz Valley; between Knight's Valley and Franz Valley Comment
  UC73554  Dodecatheon hendersonii Milo S. Baker 1898-4 734 Sonoma ne Santa Rosa; ne of Santa Rosa Comment
  RSA247149  Dodecatheon hendersonii Gary D. Wallace, Larry E. DeBuhr 1972-3-28 1006 Sonoma Northwest of Calistoga, along Ida Clayton Road, 6 mi east of junction with Hwy. 128. Comment
  CAS-BOT-BC154162  Downingia concolor var. concolor Peter Rubtzoff 1966-5-29 5738 Sonoma Laguna de Santa Rosa, N of Sebastopol (near Occidental Road). Comment
  UCD150850  Downingia concolor var. concolor 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
  RSA47585  Downingia concolor var. concolor L. Beane, Lois E. James 1949-5-16 1948 Sonoma About 3 miles S of Healdsburg Comment
  CAS-BOT-BC154141  Downingia pusilla Peter Rubtzoff 1972-5-14 6741 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC154161  Downingia pusilla Peter Rubtzoff 1972-4-23 6728 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  JEPS14401  Downingia pusilla W. L. Jepson 1921-5-6 9194 Sonoma Sonoma Valley Comment
  JEPS29138  Downingia pusilla John H. Weiler 1961-4-30 6196 Sonoma 4.4 mi n Sears Point (along State Highway 37) Comment
  UC28974  Downingia pusilla Michener and Bioletti May 1892 Sonoma Shellville; ; Shellville, Sonoma Co. Comment
  UCD166073  Downingia pusilla Peter Rubtzoff; H. A. Froebe 1971-5-30 6494 Sonoma 4.25 mi. W of Glen Ellen on Bennett Valley Road. Comment
  JEPS3074  Downingia pusilla Bioletti 1892-5-1 Sonoma Shellville, Sonoma Co. Comment
  CAS-BOT-BC159445  Drymocallis glandulosa var. glandulosa Peter Rubtzoff 1952-6-10 1222 Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC71012  Dryopteris arguta John H. Thomas 1976-6-18 18361 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville Comment
  CAS-BOT-BC71016  Dryopteris arguta J. W. Congdon 1880-1-11 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC71014  Dryopteris arguta Volney Rattan 1877-6-25 s.n. Sonoma Cloverdale Comment
  CAS-BOT-BC71025  Dryopteris arguta G. DeNevers 1981-5-23 1307 Sonoma Devils Kitchen Hill Comment
  UC62802  Dryopteris expansa J. Burtt Davy 1896-3-13 1641 Sonoma near Duncan Mills Comment
  UC725574  Dudleya cymosa A. A. Heller 1940-5-10 15609 Sonoma along Wheatfield Fork of Gala River (on the Stewart Point-Skagg's Spring Rd) Comment
Read comments
Nov 20 2018
  CAS-BOT-BC428179  Dudleya cymosa subsp. cymosa unspecified No date on label s.n. Sonoma Russian River Comment
  CAS-BOT-BC428180  Dudleya cymosa subsp. cymosa Alice Eastwood 1900-5-1 s.n. Sonoma Knights Valley Comment
  CAS-BOT-BC428376  Dudleya farinosa Marcus E. Jones 1882-7-17 3347 Sonoma Duncan's Mills Comment
  CAS-BOT-BC428384  Dudleya farinosa L. R. Abrams 1920-7-3 7634 Sonoma Near Stewarts Point Comment
  UCD98818  Dysphania pumilio Barbara Ertter 1988-11-5 8032 Sonoma Lake Sonoma ca 5 airmiles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  CAS-BOT-BC210126  Echinochloa Peter Rubtzoff 1971-8-9 s.n. Sonoma Laguna Lake area, Chileno Valley. Comment
  CAS-BOT-BC210131  Echinochloa Peter Rubtzoff 1971-8-23 s.n. Sonoma Meacham Road, 0.35 miles south of Stony Point Road. Comment
  CAS-BOT-BC210132  Echinochloa Peter Rubtzoff 1971-8-31 6663 Sonoma Todd Road near Stony Point Road. Comment
  CAS-BOT-BC176366  Echinochloa crus-galli Peter Rubtzoff 1955-9-10 2139 Sonoma East Guernewood, near Guerneville. Comment
  UCD60857  Echinochloa crus-galli Freed W. Hoffman 1941-6-20 2090 Sonoma Oregon Canyon near Camp Meeker. Comment
  UCD165969  Ehrendorferia chrysantha James A. Neilson Jr. 1975-7-8 3421 Sonoma Mayacmas Mountains. One mile north of Little Geysers. (Exact location unknown. Coordinates and elevation estimated by label maker.) 1097 Comment
  UCR74391  Ehrharta calycina Peter G. Connors 1991-5-22 107 Sonoma Bodega Head, Bodega Bay. Bay Flat Road, near Clark Marsh Comment
  RSA227244  Elatine heterandra Peter Rubtzoff 1966-5-7 5720 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  RSA800159  Eleocharis Peter Rubtzoff, Nancy Harrison, Ruth Hass, Charles Quibell 1974-8-31 7849 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC113725  Eleocharis acicularis LeRoy Abrams 1920-7-3 7614 Sonoma Stewarts Point. Comment
  SEINET11750917  Eleocharis acicularis C. F. Quibell 1976-1 1361 Sonoma N of Railroad Ave, W of US 101, Cristo fence route 30 Comment
  CAS-BOT-BC112207  Eleocharis radicans Peter Rubtzoff 1960-6-5 4440 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  UCD61888  Elymus glaucus P. B. Kennedy 1918-5-28 Sonoma Calistoga Road via Petrified Forest. Road, Santa Rosa. Comment
  CAS-BOT-BC203711  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-10 1229 A Sonoma Northeast slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC203712  Elymus glaucus subsp. glaucus Peter Rubtzoff 1952-6-3 1150 Sonoma South slopes of Fitch Mtn., near Healdsburg Comment
  CAS-BOT-BC162054  Elymus lanceolatus subsp. lanceolatus R. D. Stone 1983-6-14 543 Sonoma Headwaters of Squaw Creek drainage near ridgeline, ca. 1.2 mile northwest of Geyser Rock. 1021 Comment
  UC70815  Elymus multisetus Dr. Ed. Palmer 1892-1 2422 Sonoma Petaluma Comment
  SEINET12773264  Elymus triticoides J. B. Davy 1897-9-18 4037 Sonoma Petaluma. Comment
  UCD148371  Epilobium campestre Peter Rubtzoff 1955-8-6 2026 Sonoma Austin Creek Marsh. Comment
  JEPS44009  Epilobium canum subsp. canum W. L. Jepson 1914-9-19 6193 Sonoma Agua Caliente 91 Comment
  CAS-BOT-BC166837  Epilobium canum subsp. latifolium F. G. Krauss 1893-11-2 s.n. Sonoma Krauss Ranch Comment
  CAS-BOT-BC262990  Epilobium ciliatum subsp. ciliatum Peter Rubtzoff 1954-7-4 1523 Sonoma Austin Creek Marsh. In an area adjoining the marsh in the southwest. Comment
  CHSC22088  Epilobium ciliatum subsp. watsonii Robert A. Schlising; G. Keator 1963-7-27 2631 Sonoma Coast Ranges. In marsh on east side of Bodega Peninsula. Comment
  RSA800030  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1955-8-20 2088 Sonoma Bodega Harbor Marsh. Comment
  RSA0015638  Epilobium ciliatum subsp. watsonii Peter Rubtzoff 1964-6-3 5339 Sonoma Bodega Bay Marsh. Comment
  RSA39637  Epilobium ciliatum subsp. watsonii P. A. Munz 1947-10-10 12218 Sonoma 2 miles north of Jenner 30 Comment
  CAS-BOT-BC262800  Epilobium hallianum Peter Rubtzoff 1966-6-5 5760 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC262798  Epilobium hallianum Peter Rubtzoff 1962-5-25 4843 Sonoma Atascadero Creek Marsh. Comment
  RSA458715  Epilobium minutum Christopher Davidson 1977-6-20 6040 Sonoma Ca 30 miles W of Geyserville on Stewart s Point-Skaggs Springs Rd. Or 5 miles E of jct of latter with road N to Annapolis. Gravel bar and gravel bank just above it on Wheatfield Fork of Gualala River. 76 Comment
  SEINET12194282  Epilobium minutum F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -243 Sonoma end of Stoetz Road 200 Comment
  UC19963  Epilobium torreyi H. N. Bolander 1867-1 6535 Sonoma Cloverdale; ; Cloverdale, Sonoma Co. Comment
  UC19965  Epilobium torreyi H. N. Bolander June 1867 6535 Sonoma Cloverdale; ; Cloverdale, Sonoma Co. Comment
  UC1299380  Epipactis gigantea Freed W. Hoffman 1947-5-30 518 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  SEINET12078270  Epipactis gigantea Unknown 1986-1 60215 Sonoma N of Cazadero, The Cedars, headwaters Big Austin Creek, near Laton Mine 244 Comment
  CAS-BOT-BC210086  Equisetum Peter Rubtzoff 1964-8-20 5462 Sonoma Americano Creek area, Petaluma-Valley Ford roadside near Bloomfield. Comment
  UCD165328  Equisetum Peter Rubtzoff 1973-8-21 7255 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  RSA94451  Equisetum arvense Peter Rubtzoff 1951-7-1 332 Sonoma Lower part of Upper Marsh Comment
  RSA0045168  Equisetum hyemale subsp. affine Greg de Nevers 1993-5-16 10447 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Along Franz Creek east of 3865 Franz Valley Rd. 91 Comment
  UCR255026  Equisetum hyemale subsp. affine Greg de Nevers 1993-5-16 10447 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 457 Comment
  JEPS79542  Equisetum telmateia subsp. braunii Edward Lee with W. A. Setchell 1936-6-7 2174 Sonoma Trail No. 10 Bohemian Grove Comment
  UCD135619  Equisetum telmateia subsp. braunii Christine Lee 1993-4-24 80 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. Hillside Trail. 381 Comment
  CAS-BOT-BC176170  Eragrostis cilianensis Peter Rubtzoff 1955-9-10 2137 Sonoma East Guernewood, near Guerneville. Comment
  UC1146673  Eragrostis mexicana subsp. virescens Freed W. Hoffman 1943-9-14 2166 Sonoma near Guerneville; North Coast Ranges, near Guerneville Comment
  CAS-BOT-BC284188  Eragrostis pectinacea var. pectinacea Peter Rubtzoff 1958-8-30 s.n. Sonoma Vacation Beach near Guerneville, Russian River Comment
  CAS-BOT-BC284191  Eragrostis pectinacea var. pectinacea David Morgan 1960-6-1 s.n. Sonoma Denman Flats 3 mi. s. of Cotati on road to Petaluma Comment
  CAS-BOT-BC284192  Eragrostis pectinacea var. pectinacea G. DeNevers 1981-6-26 1660 Sonoma Pippindale Garden, Pepperwood Ranch Comment
  CAS-BOT-BC164645  Erechtites minimus Peter Rubtzoff 1955-8-20 2056 Sonoma Bodega Harbor Marsh. Comment
  CAS-BOT-BC291250  Erechtites minimus Walter Knight; Irja Knight 1963-9-3 256 Sonoma Wiggins Hill Comment
  POM232057  Erechtites minimus Roxana S. Ferris 1937-8-18 9377 Sonoma Near mouth of Salmon Creek on Bodega Bay. Comment
  UC615573  Eremocarpus setiger Beryl O. Schreiber 1933-8-10 925 Sonoma 3 mi s Kenwood Comment
  RSA518745  Eremocarpus setiger Barbara Ertter 1988-11-5 8033 Sonoma Lake Sonoma 5 air miles due S of Cloverdale, point below Little Flat parking area W of bridge. 152 Comment
  JEPS19211  Ericameria arborescens Edw. L. Greene 1888-8-31 Sonoma Petrified Forest Comment
  UC909710  Erigeron biolettii Milo S. Baker 1950-8-1 12309 Sonoma near Kenwood (at summit above Coleman's Ranch); Hope Val 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
  CAS-BOT-BC295151  Erigeron inornatus Greg de Nevers 1987-7-10 8236 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC300250  Erigeron reductus var. angustatus Herbert L. Mason; Verne Grant 1946-7-5 12898 Sonoma Two miles east of Occidental Comment
  HSC101101  Erigeron serpentinus Peter Warner 2011-8-12 230 Sonoma Jenner Headlands property, Jenner Pasture, about 400 m E 115 deg. S fr. cottage, corrals 173 Comment
  RSA765541  Eriogonum cedrorum Roger Raiche 2010-7-11 36 .1 Sonoma The Cedars, headwaters of Big Austin Creek, Azalea Creek drainage 383 Comment
  JEPS82528  Eriogonum compositum var. compositum Roger Raiche 1984-6-1 40173 Sonoma 2 mi n Camp Meeker (Duvoul Creek where it crosses the Bohemian Highway); Duvoul Creek Comment
  CAS-BOT-BC250014  Eriogonum fasciculatum var. foliolosum Walter Knight; Irja Knight 1985-1-13 5158 Sonoma Near high bridge over Sonoma Lake west of Healdsburg Comment
  CAS-BOT-BC259260  Eriogonum latifolium John Thomas Howell 1930-6-8 5257 Sonoma 1 mile east of Bodega Bay Comment
  CAS-BOT-BC259268  Eriogonum latifolium C. L. Hitchcock; J. S. Martin 1939-7-15 5444 Sonoma Cliffs below Bodega State Park Comment
  UC6515  Eriogonum luteolum var. caninum Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UC75785  Eriogonum luteolum var. luteolum Miss M. Alice King Sept. 1896 Sonoma near Healdsburg Comment
  UC85726  Eriogonum luteolum var. luteolum Alice Eastwood 1900-9-9 Sonoma Mt. St. Helena Comment
  UC6525  Eriogonum luteolum var. luteolum Alice King Oct. 1896 Sonoma Healdsburg Comment
  UC1478045  Eriogonum nervulosum Charlie Patterson Jun 16 1980-Jun 17 1980 Sonoma ca. 1 1/2 mi e Socrates Mine (near Lake Co. line) Comment
  CAS-BOT-BC261683  Eriogonum nudum var. nudum A. A. Heller 1902-7-8 5814 Sonoma Between Healdsburg and Geyserville Comment
  CAS-BOT-BC261695  Eriogonum nudum var. nudum Peter Rubtzoff 1952-6-10 1246 Sonoma Resort at east base of Fitch Mtn., near Healdsburg Comment
  UC77615  Eriogonum nudum var. nudum Prof. T. S. Heaton June 1888 Sonoma Verrano Comment
  UC85760  Eriogonum roseum T. S. Brandegee July 1885 496 Sonoma Cloverdale Comment
  CAS-BOT-BC262391  Eriogonum vimineum D. E. Breedlove 1980-6-27 44782 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC262388  Eriogonum vimineum G. DeNevers 1981-6-27 1706 Sonoma Pepperwood Ranch. Summit of Franz Valley Road Comment
  CAS-BOT-BC262392  Eriogonum vimineum R. D. Stone 1983-6-16 552 Sonoma At the Little Geysers, upper Big Sulphur Creek drainage 701 Comment
  UCD160898  Eriophyllum lanatum James A. Neilson Jr.; Teresa A. Sholars 1975-6-26 3286 Sonoma Mayacmas Mountains, adjacent to Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottlerock Road, east Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  CAS-BOT-BC301151  Eriophyllum lanatum var. achilleoides F. G. Krauss 1893-10-8 s.n. Sonoma Krauss Ranch Comment
  CAS-BOT-BC301152  Eriophyllum lanatum var. achilleoides Roxana S. Ferris; Laura Lorraine 1961-6-14 13524 Sonoma Junction of Bittner Road with Joy Road, between Occidental and Bodega Comment
  UC494110  Eriophyllum lanatum var. achilleoides H. E. and S. T. Parks 1930-5-10 837 Sonoma Knights Valley Comment
  CDA4966  Eriophyllum lanatum var. achilleoides T. C. Fuller 1960-6-14 4487 Sonoma Italian Swiss Colony, Asti. 0 Comment
  CAS-BOT-BC301290  Eriophyllum lanatum var. arachnoideum Dorothy Scherer 1996-6-3 051 Sonoma Fort Ross Rd. ca 2/3 mi. west of Seaview Rd. Fort Ross State Historic Park 426 Comment
  RSA695687  Eriophyllum staechadifolium J. Russell Bruff 1936-8-21 s.n. Sonoma Bodega Bay. Comment
  UC648303  Eryngium aristulatum var. aristulatum John Thomas Howell 1933-8-27 11619 Sonoma lands bordering San Pablo Bay s.w. Sonoma Comment
  POM259750  Eryngium aristulatum var. aristulatum J. T. Howell 1933-4-1 10927 Sonoma 3 miles northeast of Petaluma Comment
  RSA227227  Eryngium aristulatum var. aristulatum Peter Rubtzoff 1966-8-25 5805 Sonoma Laguna de Santa Rosa Comment
  RSA93411  Eryngium aristulatum var. aristulatum Milo S. Baker 1954-8-12 13036 Sonoma Coney Lake Kenwood on Coney Ranch Comment
  POM132678  Eryngium armatum A. D. E. Elmer 1903-07 4776 Sonoma Petaluma. Comment
  UC1931039  Eryngium constancei G. F. Hrusa 1996-10-5 13582 B Sonoma Summit of Mayacmas Range at W end of Diamond Mtn. Rd. +- 2 m SW of Calistoga. 700 Comment
Read comments
Jan 8 2013
  UCD126741  Eryngium constancei G. F. Hrusa; R. Gross 1996-6-30 13057 Sonoma North Coast Biodiversity Arena; On the summit of Mayacmas Range at west end of Diamond Mtn. Rd.; 2 m. SW of Calistoga. 700 Comment
  CAS-BOT-BC153621  Erythranthe inodora Peter Rubtzoff 1959-6-13 4128 Sonoma Willow Creek Marsh. Bank of Willow Creek Comment
  CAS-BOT-BC153622  Erythranthe inodora Peter Rubtzoff 1969-8-14 6125 Sonoma Salmon Creek Road ca. 5 mi. west of Bodega (town) (1.1 mi. west of Finley Creek crossing); Salmon Creek margin Comment
  SEINET8255128  Erythranthe microphylla Unknown 1940-5-21 25883 Sonoma Route 28. 183 Comment
  CAS-BOT-BC383151  Erythranthe nasuta David B. Lowry 2005-5-9 KRR Sonoma On King's Ridge Road 107 Comment
  POM266133  Erythronium helenae Elmer I. Applegate 1934-3-25 s.n. Sonoma Headwaters of Sulphur Creek, opposite the old Sonoma quicksilver mine 610 Comment
  JEPS128278  Eschscholzia caespitosa Roger Raiche 2005-4-22 015 .05 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC403698  Eschscholzia californica Alice Eastwood 1921-4-24 10341 Sonoma Santa Rosa Comment
  SD40084  Eschscholzia californica Edith A. Purer 1932-7-24 4077 Sonoma Bodega Bay. Comment
  SEINET7067232  Eschscholzia californica A. G. Vestal 1947-5-12 s.n. Sonoma About 1 miles east of Occidental on the Occidental Road. Coordinate datum: NAD27. UTM Zone 10, 506085mE, 4250797mN. Comment
  UC10022  Eschscholzia californica Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  SD58246  Euonymus occidentalis Harry K. Roberts 1959-5-18 Sonoma On Louis Giovanni ranch in the first canyon south of ranch house, Green Valley, northwest of Sebastopol. Comment
  UC450203  Euphorbia crenulata Milo S. Baker 1898-4-23 694 Sonoma Santa Rosa Canyon Comment
  CDA14897  Euphorbia oblongata M. Vernon 1986-6-13 Sonoma SW corner of Bodega Avenue and Bantam Way, Petaluma. 0 Comment
  UC469051  Eurybia radulina Miss C. M. Hoak 1912-8-1 Sonoma Monte Rio Comment
  CAS-BOT-BC310743  Euthamia occidentalis Peter Rubtzoff 1951-9-2 700 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC354320  Euthamia occidentalis Peter Rubtzoff 1958-8-23 3919 Sonoma Laguna de Santa Rosa east of Cunningham, near Llano Road. Comment
  UCR248729  Festuca arundinacea Peter Rubtzoff 1960-5-22 4406 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville roads 37 Comment
  UCR248731  Festuca arundinacea Peter Rubtzoff 1962-5-11 4823 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 30 Comment
  JEPS121154  Festuca bromoides Lowell Ahart, John Dittes, Josephine Guardino, Dr. Marge Anthony 2013-4-25 18600 Sonoma 0.7 air miles E of Pacific Ocean, 0.8 air miles W of Gualala River. Comment
  UC1024771  Festuca occidentalis Leo Whitney 1935-4-14 2257 a Sonoma near Occidental Comment
  UC766905  Festuca occidentalis R. F. Hoover 1941-5-14 5094 Sonoma sw of Occidental (near Joy District School) Comment
  CAS-BOT-BC353384  Filago Peter Rubtzoff; Nancy Harrison 1974-7-13 7670 Sonoma Upper Green Valley Marsh. Comment
  SEINET208607  Filago gallica J. T. Howell 1965-3-25 41033 Sonoma 3 mi SE of Sonoma 76 Comment
  CAS-BOT-BC455954  Fragaria chiloensis A. A. Heller; H. E. Brown 1902-3-29 5186 Sonoma Bodega Bay Comment
  CAS-BOT-BC457578  Fragaria vesca subsp. californica Peter Rubtzoff 1957-5-4 3304 Sonoma Border of upper part of Duncan's Mills Marsh, Sonoma County Marshes Comment
  CAS-BOT-BC53275  Frangula californica subsp. californica John Thomas Howell 1938-7-3 13955 Sonoma 3 miles N. of Sebastopol Comment
  CAS-BOT-BC223379  Fraxinus dipetala John H. Thomas 1976-6-18 18364 Sonoma About 4.6 miles west of Warm Springs Dam, between Skaggs Springs and Geyserville Comment
  JEPS44085  Fraxinus latifolia W. L. Jepson 1903-10-4 2364 Sonoma near Guerneville; Bohemian Club Grove Comment
  OBI2919  Fraxinus latifolia Lewis S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Crk; NE of Santa Rosa 122 Comment
  UCD122078  Fraxinus latifolia Lewis S. Rose 1968-6-25 68117 Sonoma Rincon Valley, Brush Creek. NE of Santa Rosa. 121 Comment
  SEINET11993687  Fremontodendron californicum subsp. napense Unknown 1984-1 RR 40133 Sonoma N of Guerneville Morrison Ridge above Gilliam Creek, Austin Creek Recreational Area 183 Comment
  UC429298  Fritillaria affinis J. Burtt Davy 1896-3-16 1682 Sonoma Cazadero Comment
  CAS-BOT-BC130184  Fritillaria affinis Elmer I. Applegate 1934-3-25 8851 Sonoma Sausal Creek, foothills of eastern Sonoma County, below Pine Flat Comment
  JEPS83542  Fritillaria liliacea Jack and Betty Guggolz 1987-3-26 883 Sonoma about a half-mile se of the town of Camp Meeker (Acreage Lane); Acreage Lane Comment
  CAS-BOT-BC130455  Fritillaria purdyi M. D. B.; Demeor 1926-3-30 163 c - Son. Serries Sonoma The Crater - Mt. St. Helena Comment
  UCD112402  Galium Christopher Mallek 2008-5-2 HC2- 11 Sonoma Hooker Canyon. 590 Comment
  JEPS52870  Galium californicum subsp. californicum Lauramay T. Dempster and Jean Colton 1963-8-5 3874 Sonoma 2 mi w Cloverdale (on road to Boonville); Alder Glen Springs Comment
  UC353828  Galium divaricatum Milo S. Baker 1927-5-7 2127 Sonoma slope above Maple Glen; Mt. Hood Region Comment
  UC796575  Galium divaricatum Roxana S. Ferris and Laura Lorraine 1948-6-9 11661 Sonoma hillside 11 mi from Geyserville (on road to Kellogg) Comment
  UCD121756  Galium divaricatum F. Bowcutt 1994-5-21 1812 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. Along Meadow trail about 3/4 mile from trailhead. East from trail about 100 yards. 411 Comment
  POM194199  Galium porrigens J. T. Howell 1929-6-9 4297 Sonoma 2 miles N of Sonoma Comment
  RSA264750  Galium trifidum Peter Rubtzoff 1954-8-13 1713 Sonoma Bodega Head Marsh. Comment
  JEPS6541  Galium triflorum R. F. Hoover 1941-5-14 5092 Sonoma near Joy District School (sw of Occidental) Comment
  UCD121949  Galium triflorum Roxana S. Ferris; Laura Lorraine 1961-6-14 13532 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway. Comment
  JEPS117099  Gamochaeta pensylvanica Peter Warner 2010-7-12 177 Sonoma Jenner Headlands, main dirt road, about 300 m W of jct. with east ridge road to Parmeter Ranch, on ungraded roadside. Comment
  CAS-BOT-BC303506  Gamochaeta ustulata David D. Keck; J. Clausen 1935-6-15 3370 Sonoma 1 mile N of Salmon Creek, N of mouth of Salmon Creek Comment
  UC665535  Gamochaeta ustulata Annetta Carter and Ethel Crum 1941-6-22 2148 Sonoma 3.3 mi e Bodega Bay; North Coast Ranges Comment
  UCR279603  Gamochaeta ustulata Peter Rubtzoff 1963-6-22 5186 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  UCR279618  Gamochaeta ustulata Peter Rubtzoff 1962-6-19 4923 Sonoma Occidental Marsh 305 Comment
  CAS-BOT-BC303496  Gamochaeta ustulata G. DeNevers 1981-5-23 1310 Sonoma Hansel's cow pasture Comment
  UCD131642  Gamochaeta ustulata Frederica Bowcutt 1984-6-23 414 B Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg on the Sonoma County coast. W of Highway 1. Immediately N of Gerstle Cove near large parking lot. 15 Comment
  UCD148421  Gamochaeta ustulata Peter Rubtzoff 1960-5-22 4413 Sonoma Laguna de Santa Rosa, east of Graton, between Occidental and Guerneville Roads. Comment
  CAS-BOT-BC199068  Garrya elliptica Greg de Nevers 1987-7-10 8238 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 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
  JEPS23940  Garrya fremontii Milo S. Baker 1946-2-9 11263 Sonoma Hope Valley Kenwood Region (near Chamberlain Place) Comment
  UC571061  Gaultheria shallon H. L. Mason 1928-4-8 4294 Sonoma 2 mi n of Fort Ross (along coast) Comment
  UCD160843  Genista monspessulana James A. Neilson Jr.; Teresa A. Sholars 1975-6-20 3375 Sonoma Section 10, One-quarter mile west of Eagle Rock on Geysers Road, The Geysers. (Elevation and coordinates estimated by label maker) 457 Comment
  POM264463  Gentiana oregana Annetta Carter, Ethel Crum 1941-6-22 1638 Sonoma 3.3 miles E of Bay (Bodega Bay). Comment
  UC1084424  Gentiana sceptrum G. Thomas Robbins 1938-6-23 268 Sonoma ca 10 mi w Santa Rosa (on Pitkin ranch, Vine Hill region); Vine Hill Comment
  SD56819  Geranium dissectum Darley F. Howe 1963-5-22 3520 Sonoma 14 miles south of Santa Rosa on #12 121 Comment
  UCD103335  Geranium dissectum Adam Green 1994-5-1 1784 Sonoma Sugar Loaf Ridge State Park. About 50 air miles N of San Francisco; about 10 miles E of Santa Rosa; about 1.5 air miles N of Kenwood; about 18 air miles NW of Napa. S of Sonoma Creek about 125 yards 1/4 mile NW of confluence with Rattlesnake Creek, meadow in center of campground. Comment
  UCD15830  Geranium molle J. D. DiTomaso 1998-5-18 s.n. Sonoma Sugarloaf Ridge State Park. 430 Comment
  CAS-BOT-BC366949  Gilia capitata Greg de Nevers 1997-4-16 10946 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC907876  Gilia capitata subsp. capitata Thomas Morley 1946-5-19 592 Sonoma on road to Graton about 2 1/2 mi ne Occidental; ne of Occidental on rd to Graton 167 Comment
  JEPS69553  Gilia capitata subsp. chamissonis W. S. Cooper 1925-7-25 88 Sonoma Bodega Pt. Comment
  POM179724  Gilia capitata subsp. chamissonis J. T. Howell 1930-6-8 5272 Sonoma North end of Bodega Bay. Comment
  RSA83126  Gilia capitata subsp. chamissonis Verne Grant, Alva Grant 1948-7-7 8598 Sonoma Near Hwy 1, 11 miles north of Bodega Comment
  JEPS97637  Gilia capitata subsp. tomentosa Annetta M. Carter 1947-5-30 1842 Sonoma 2 mi. E of Occidental. Comment
  RSA583205  Gilia millefoliata Peter G. Connors 1995-7-6 353 Sonoma Bodega Marine Reserv, University of California, Bodega Head near town of Bodega Bay; [elev.] <10 meters. 10 Comment
  UC72068  Gilia tricolor subsp. tricolor Miss M. Alice King May 1897 Sonoma near Healdsburg; near Healdsburg Comment
  CAS-BOT-BC227653  Glyceria Peter Rubtzoff 1971-6-26 6573 Sonoma Willow Creek Marsh. Comment
  CDA2161  Glyceria declinata H. F. McCracken 1968-4-3 Sonoma Santa Rosa district. 0 Comment
  RSA786496  Glyceria leptostachya Peter Rubtzoff 1969-7-5 6109 Sonoma 5.25 mi NE of Penngrove, near Lichan Road. Comment
  SJSU6044  Glyceria occidentalis C. W. Sharsmith 1972-6-24 7800 Sonoma Forestville Marsh c. 0.5 mi E of Forestville, NW of Sebastopol 42 Comment
  CAS-BOT-BC173574  Gnaphalium Peter Rubtzoff 1970-10-3 6403 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC302685  Gnaphalium palustre A. A. Heller 1902-6-10 5684 Sonoma Santa Rosa Comment
  CAS-BOT-BC302693  Gnaphalium palustre Peter Rubtzoff 1976-5-30 8567 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC166708  Gnaphalium purpureum Peter Rubtzoff 1962-6-19 4923 Sonoma Occidental Marsh. Comment
  CDA6006  Gnaphalium purpureum T. C. Fuller 1958-5-24 3986 Sonoma Pitkin Marsh, near Forestville. 0 Comment
  CAS-BOT-BC164671  Gnaphalium purpureum Peter Rubtzoff 1952-6-10 1221 Sonoma Northeast slopes of Fitch Mountain near Healdsburg. Comment
  UCD165129  Gratiola Peter Rubtzoff 1974-5-11 7387 Sonoma Todd Road, 1.4 miles from hwy. 116 and 0.6 miles from Llano Road. Comment
  JEPS87218  Gratiola ebracteata Jack and Betty Guggolz 1992-5-6 1280 Sonoma about 1 1/4 mi nw Windsor 42 Comment
  CAS-BOT-BC164096  Grindelia Peter Rubtzoff 1971-6-10 6533 Sonoma Laguna de Santa Rosa E of Graton, between Occidental and Guerneville Roads. Comment
  UCD148466  Grindelia camporum Peter Rubtzoff 1963-7-14 5205 Sonoma Laguna de Santa Rosa, E of Graton. Comment
  POM58296  Grindelia hirsutula Michener, Bioletti 1893-06 s.n. Sonoma Glen Ellen Comment
  CAS-BOT-BC305168  Grindelia hirsutula J. T. Howell 1932-11-16 10816 Sonoma 6 mi. from Sonoma on road to Napa Comment
  CAS-BOT-BC305173  Grindelia hirsutula Robert M. King 1980-7-8 8413 Sonoma Generally 2 miles north of Bodega Bay Comment
  SEINET3142907  Grindelia hirsutula M. P. Dunford 1959-10-3 559 Sonoma 1.8 mi. NE of Mark West Springs on Mark West Road Comment
  POM187850  Grindelia hirsutula var. davyi Marcus E. Jones 1931-7-5 29142 Sonoma The Geysers. Comment
  CDA20573  Grindelia stricta R. Breckenridge, Vernon 2005-8-2 PDR 1351652 Sonoma North Coast; Hwy 1 near Ft Ross. 0 Comment
  JEPS85605  Harmonia nutans Rimo Bacigalupi with Robbins and Chisaki 1956-4-17 5587 Sonoma along road 3.7 mi e beginning of Ida Clayton Rd. on Kellogg Valley side ((jct. with State rd. 128)); Mayacamas Range 685 Comment
  UCR280186  Helenium puberulum Peter Rubtzoff 1958-7-26 3796 Sonoma Laguna de Santa Rosa, east of Sebastopol 21 Comment
  CAS-BOT-BC262982  Helenium puberulum Peter Rubtzoff 1955-8-13 2043 Sonoma Duncans Mills Marsh, upper portion of the marsh. Comment
  CAS-BOT-BC309584  Helenium puberulum D. E. Breedlove 1961-12-31 1442 Sonoma At S side of mouth of Russian River 6 Comment
  CAS-BOT-BC314693  Helianthella californica var. californica Alice Eastwood 1915-6-6 4568 Sonoma Petrified Forest Comment
  UCD132899  Helianthus bolanderi K. Esau 1935-7-19 s.n. Sonoma near Petaluma. Comment
  RSA264767  Heliotropium curassavicum var. oculatum Peter Rubtzoff 1971-8-9 6635 Sonoma Laguna, Chileno Valley. Comment
  RSA0006558  Heliotropium spathulatum subsp. oculatum A. A. Heller 1902-7-8 5813 Sonoma Russian River at Healdsburg. Comment
  UCD166490  Hemizonia Peter Rubtzoff 1958-8-23 3921 Sonoma Laguna de Santa Rosa E of Cunningham (near Llano Road). Comment
  CAS-BOT-BC173586  Hemizonia Peter Rubtzoff 1966-8-18 5791 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC268125  Hemizonia Peter Rubtzoff 1973-9-9 7306 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC376334  Hemizonia Greg de Nevers 1996-11-10 10892 Sonoma Just north of Highway 37 opposite Port Sonoma, Lower Ranch. 0 Comment
  UCD166096  Hemizonia Peter Rubtzoff 1971-7-23 6619 Sonoma Laguna, Chileno Valley. Comment
  UCD166408  Hemizonia Peter Rubtzoff 1956-9-24 2943 Sonoma Stony Point Marsh. Comment
  UC75963  Hemizonia citrina Miss M. Alice King 1987-6-1 Sonoma Comment
  CDA36844  Hemizonia congesta 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
  UC990601  Hemizonia congesta James I. McMurphy 1909-8-9 711 Sonoma between Sonoma and Petaluma; Sonoma Comment
  UCD159816  Hemizonia congesta James A. Neilson Jr. 1974-7-24 2878 a Sonoma Mayacmas Mountains. One-half mile south of Little Geysers. Roadside. North of meadow. (Elevation and coordinates estimated by label maker). 792 Comment
  JEPS38350  Hemizonia congesta subsp. clevelandii W. L. Jepson 1921-9-12 9489 Sonoma Hayground Alexander Valley (s side of valley) 45 Comment
  CAS-BOT-BC306221  Hemizonia congesta subsp. congesta Alice Eastwood; John Thomas Howell 1936-5-19 2513 Sonoma 2 miles n. of Windsor Comment
  CAS-BOT-BC306222  Hemizonia congesta subsp. congesta Alice Eastwood; John Thomas Howell 1936-7-4 3822 Sonoma 2 miles n. of Windsor Comment
  CAS-BOT-BC306236  Hemizonia congesta subsp. congesta Greg de Nevers 1986-9-20 8114 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC306241  Hemizonia congesta subsp. congesta J. W. Congdon 1880-8-2 s.n. Sonoma Petaluma & Santa Rosa Road Comment
  UC134571  Hemizonia congesta subsp. congesta Katharine Brandegee 1905-6-1 Sonoma between Santa Rosa and Sebastopol Comment
Read comments
Jun 26 2010
  UC480912  Hemizonia congesta subsp. congesta Katharine Brandegee Sonoma Santa Rosa Comment
  CAS-BOT-BC306242  Hemizonia congesta subsp. congesta James I. McMurphy 1908-9-26 s.n. Sonoma Foothills east of 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
  JEPS119475  Hemizonia congesta subsp. lutescens Ann Howald 2011-8-30 2808 Sonoma North Coast Ranges: eastern Petaluma Valley, Manor Lane, 0.5 mi north of intersection with Old Adobe Road. Comment
  JEPS86754  Hemizonia congesta subsp. lutescens Jack and Betty Guggolz 1990-7-1 1080 Sonoma three-tenths of a mile up creek from Bohemian Highway (below a reservoir on serpentine); Grub Creek Comment
  CAS-BOT-BC309705  Hemizonia congesta subsp. lutescens Catherine Best 1981-8-22 s.n. Sonoma Morelli Lane about 2 miles northeast of Occidental Comment
  UC197517  Hemizonia congesta subsp. lutescens H. M. Hall 1916-7-23 19246 a Sonoma 14 mi nw Petaluma (2 mi e of Tocaloma) 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
  UC421612  Hemizonia congesta subsp. luzulifolia John Thomas Howell 1929-10-26 4539 Sonoma 7.5 mi from Santa Rosa (on road to Petrified Forest) Comment
  CAS-BOT-BC309958  Hemizonia congesta subsp. luzulifolia Walter Knight; Irja Knight 1963-8-29 185 Sonoma Casa Grande Road, Petaluma Comment
  CAS-BOT-BC309964  Hemizonia congesta subsp. luzulifolia J. McMurphy 1909-8-8 706 Sonoma Sonoma Comment
  OBI16230  Hemizonia congesta subsp. luzulifolia Robert F. Hoover 1966-8-23 9918 Sonoma Mark West Creek, on Santa Rosa-Calistoga Rd near jctn of St Helena Rd Comment
  UC295870  Hemizonia congesta subsp. luzulifolia H. M. Hall 1924-8-13 12100 Sonoma n of Healdsburg Comment
  CDA6976  Hemizonia corymbosa T. C. Fuller 1981-9-9 20386 Sonoma Bodega Harbor subdivision just south of Bodega Bay. 0 Comment
  RSA81620  Hemizonia lutescens James I. McMurphy 1909-7-10 504 Sonoma Rocky point 4 miles NW of Cloverdale on road to Boonville. Comment
  CAS-BOT-BC310213  Hesperevax sparsiflora var. sparsiflora John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 54004 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles northeast of Penngrove on the west slope of Sonoma Mountain 457 Comment
  SD40697  Hesperocyparis sargentii Carl B. Wolf, E. R. Johnson 1934-10-13 Sonoma 2 miles from Occidental, Coys Ranch 89 Comment
  JEPS128297  Hesperolinon micranthum Roger Raiche 2010-6-16 023 .10 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UC1212264  Hesperolinon micranthum Helen K. Sharsmith 1947-5-30 3965 Sonoma s slope of mountain near Grant line; Inner North Coast Ranges, Hood Mountain 243 Comment
  POM8863  Hesperolinon micranthum Michener, Bioletti 1893-06 1411 Sonoma Hoods Peak. Comment
  RSA63652  Hesperolinon micranthum Milo S. Baker 1947-5-5 11728 Sonoma South slope of Hood Mt. Above Baker Ranch. 213 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
  JEPS82315  Hesperolinon spergulinum Roger Raiche 1983-6-19 30411 Sonoma The Cedars; slopes of Red Slide Creek 243 Comment
  UC1212391  Hesperolinon spergulinum Helen K. Sharsmith 1952-7-23 4168 Sonoma 1.1 mi ne Skaggs Springs; Inner North Coast Ranges 106 Comment
  UC17273 Image available Hesperolinon spergulinum H. N. Bolander 1867-1 6568 Sonoma Cloverdale; ; Cloverdale, Sonoma Co. Comment
  CAS-BOT-BC371405  Heterocodon rariflorum Greg de Nevers 1993-4-29 10418 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road. Devils' Kitchin. 457 Comment
  CAS-BOT-BC149833  Heteromeles arbutifolia Walter Knight; Irja Knight 1964-11-15 771 Sonoma Above Johnson Dam, Hood's Peak Comment
  UCD166419  Heterotheca oregona Peter Rubtzoff 1953-11-1 1436 Sonoma Vacation Beach, near Guerneville. Comment
  JEPS81179  Heterotheca oregona var. oregona Edward Lee with W. A. Setchell 1936-6-5 2172 Sonoma Bohemian Grove Comment
  CAS-BOT-BC311063  Heterotheca oregona var. oregona Constantine Slobodchikoff 1962-8-18 s.n. Sonoma Hacienda. Along bank of Russian River Comment
  CAS-BOT-BC424179  Heuchera micrantha var. erubescens Volney Rattan 1877-6-16 s.n. Sonoma Guerneville Comment
  CAS-BOT-BC424180  Heuchera micrantha var. erubescens Eliz. Parsons Hawver 1915-6-3 s.n. Sonoma Skaggs Springs Comment
  CAS-BOT-BC424434  Heuchera pilosissima Alice Eastwood 1901-4-1 s.n. Sonoma Bodega Point Comment
  UC101609  Heuchera pilosissima Katharine Brandegee June 1905 Sonoma Bodega Bay Comment
  SBBG2695  Heuchera pilosissima H. and M. Dearing 1939-5-14 3368 Sonoma N of Fort Ross 91 Comment
  SEINET195012  Heuchera pilosissima A. A. Heller 1938-5-14 15085 Sonoma Near S end of Bodega Bay Comment
  CAS-BOT-BC319704  Hieracium albiflorum D. E. Breedlove 1980-6-28 44817 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CHSC8208  Hierochloe occidentalis Dave Isle 1969-5-10 448 Sonoma 8 miles S. of Stewarts Point off the E. side of HW 1. 30 Comment
  UC479115  Hoita macrostachya Marcus E. Jones, A. M. 1931-7-5 28969 Sonoma w Cloverdale Comment
  JEPS97538  Holcus lanatus R. D. Stone 1980-11-28 321 Sonoma the Sea Ranch; Annapolis Road area just below and west of landing strip Comment
  POM205900  Holcus lanatus Jos Burtt Davy 1896-07 12201 Sonoma Near Guerneville. Comment
  UCD84980  Holcus lanatus H. S. Yates 1936-5-16 5595 Sonoma 2 miles SE of Forestville. 30 Comment
  UCD84887  Holcus mollis Terri Williamson 1990-5-20 63 Sonoma Bayflat Road. Bodega Bay. 3 Comment
  CAS-BOT-BC164699  Holocarpha Peter Rubtzoff 1970-5-30 6252 Sonoma 5 miles north of Sears Point. Comment
  SD62059  Holocarpha virgata Darley F. Howe 1965-8-3 4104 Sonoma 4 miles west of Santa Rosa Comment
  SEINET11843924  Holocarpha virgata W. Knight, Knight, I. 1988-1 6340 Sonoma Kortum Canyon, at county line 351 Comment
  UC12343  Holodiscus discolor F. T. Bioletti 1891-6-1 Sonoma Sonoma County 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-BC166738  Holozonia filipes Peter Rubtzoff 1971-6-23 6546 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  SD260901  Holozonia filipes Peter Rubtzoff 1971-7-20 6602 Sonoma Vernal pool, 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  UC1002647  Holozonia filipes Milo S. Baker 1954-8-12 13034 Sonoma Coney Ranch, Kenwood Coney Lake 365 Comment
  SEINET257718 Image available Hordeum brachyantherum M. Barkworth, D Amme 1989-6-15 5173 Sonoma South end of Bodega Head on restored grassland. 81 Comment
  JEPS75074  Hordeum brachyantherum subsp. brachyantherum Edward Lee 1934-4-30 743 Sonoma 1 mi w 2 Rock junction Comment
  UCD21129  Hordeum brachyantherum subsp. brachyantherum Vernal Pool Team 2002; Carol Witham and Jennifer Buck 2002-5-6 304 Sonoma Todd Road Ecological Reserve, W of Highway 101, N of Todd Road. Pool #TOD001. UTMs 10S0519445; 4248904. Comment
  UCD85897  Hordeum marinum subsp. gussoneanum R. Tofsrud 1949-4-1 s.n. Sonoma Fulton. Comment
  SEINET10892631  Hordeum marinum subsp. gussoneanum A. Arthur Heller 1902-6-4 Heller 5636 Sonoma Santa Rosa. Comment
  UC1596333  Hordeum murinum subsp. leporinum Richard R. Halse 1987-2-22 3375 Sonoma along State Highway 121 .4 mi e of its junction with State Highway 116 at Big Bend in the Sonoma Valley 6 Comment
  POM34931  Horkelia californica Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan's Mills. Comment
  JEPS86813  Horkelia tenuiloba Jack and Betty Guggolz 1991-5-4 1126 Sonoma one mi w Dry Creek Road (firebreak on the south side of Bradford Mountain); Bradford Mountain 341 Comment
  UCD113462  Horkelia tenuiloba G. F. Hrusa 1989-6-4 7187 Sonoma Headwaters of Agua Caliente Creek. NW exposure, just below summit. Comment
  UCD106188  Hosackia stipularis Charles B. Heiser Jr. 1946-5-19 1738 Sonoma Vine Hill, W of Santa Rosa Comment
  CDA34812  Humulus lupulus Peter Warner 2010-7-29 172 Sonoma State Hwy. 116, at 21.31 mile mark, ~2.53 km, E143 deg. S of Forestville, along W side of highway. Comment
  SEINET7062821  Hypericum anagalloides A. G. Vestal 1937-6-18 s.n. Sonoma Stewarts Point. UTM Zone 10, 464491mE, 4278527mN. (WGS84/NAD83). 0 Comment
  UC1122088  Hypericum anagalloides H. S. Yates 1936-5-16 5588 Sonoma 2 mi. s.e. Forestville (Pitkin Marsh); Sebastopol Quad., Pitkin Marsh Comment
  JEPS128179  Hypericum concinnum Roger Raiche 2001-5-17 022 .01 Sonoma The Cedars. Gualala River, Wheatfield Fork watershed. Comment
  UCSB15929  Hypericum perforatum Breedlove, Dennis 1962-6-6 Sonoma along State Highway 128; 1.5 miles northwest of U.S. Highway 101; at Cloverdale 121 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
  UC496384  Hypochaeris glabra Merle Randall Sonoma Cazadero Comment
  UCD133363  Hypochaeris glabra Gerry North 1993-4 26 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. At first pullout on right after Pony Gate Gulch Creek by hig rock. 304 Comment
  CAS-BOT-BC316717  Hypochaeris radicata John H. Thomas 1976-6-16 18270 Sonoma Southern part of Sea Ranch, northwestern part of county about 7 miles south of Gualala 30 Comment
  SBBG21186  Hypochaeris radicata V. Haraden 1941-7-13 9 Sonoma ca. 1 mi N of head of Bodega Bay Comment
  HSC13855  Iris douglasiana James Faro 1962-4-14 20 Sonoma Salt Point Ranch, 5 mi. N of Fort Ross on Hwy. 1 Comment
  UCD138709  Iris douglasiana R. H. Miller 1949-4-6 15 Sonoma along coast Highway 1, about 5 miles south of Jenner/ Comment
  UCD138718  Iris douglasiana Charles B. Heiser Jr. 1946-4-13 1720 Sonoma between Jenner and Duncan's Mills. Comment
  RSA137360  Iris fernaldii Lee W. Lenz, E. K. Balls 1951-5-3 16401 Sonoma About 1 mile east from Petrified Forest on road to Calistoga 610 Comment
  UC905118  Iris fernaldii Milo S. Baker 1947-4-22 11702 Sonoma n of Kenwood (Gray Ranch, above ranch buildings) Comment
  CAS-BOT-BC133677  Iris longipetala Peter Rubtzoff 1958-5-3 3625 Sonoma Atascadero Creek Marsh Comment
  UCSC000157  Iris macrosiphon Carl Meyer 1928-3-4 326 Sonoma Comment
  RSA152560  Iris missouriensis H. N. Metcalf 1962-5-6 s.n. Sonoma West of Two Rock on Two Rock - Fallon Road Comment
  UCD166139  Isoetes Peter Rubtzoff 1969-5-24 6058 Sonoma Vernal pool area, 6.5 miles northeast of Penngrove, on Lichan Road. 426 Comment
  CAS-BOT-BC173547  Isoetes howellii Peter Rubtzoff; Edward Lee 1974-5-11 7385 Sonoma Todd Road, 1.4 miles from Highway 116 and 0.6 miles from Llano Road. Comment
  SEINET7589075 Image available Isolepis carinata John Thomas Howell 1937-6-6 13027 Sonoma Pitkin Marsh. Comment
  CAS-BOT-BC112568  Isolepis cernua Peter Rubtzoff 1954-8-3 1635 Sonoma Lower Salmon Creek Marsh. Comment
  CAS-BOT-BC112573  Isolepis cernua Peter Rubtzoff 1954-8-9 1660 Sonoma Bodega Head Marsh. Comment
  SD58355  Isolepis cernua W. L. Jepson 1931-7-19 15945 Sonoma Sea-bluffs, just north of Salmon Creek. (IPB 11/07) Comment
  CAS-BOT-BC340226  Jaumea carnosa Peter Rubtzoff 1962-8-3 5029 Sonoma Lower Salmon Creek Marsh Comment
  CAS-BOT-BC340232  Jaumea carnosa Roxana S. Ferris 1937-8-18 9372 Sonoma Near mouth of Salmon Creek on Bodega Bay Comment
  CAS-BOT-BC340231  Jaumea carnosa J. W. Congdon 1880-6-1 s.n. Sonoma Petaluma Comment
  SBBG61589  Juglans hindsii R. Hartwell 1938-8-2 Sonoma Russian River, Healdsburg Comment
  CAS-BOT-BC173567  Juncus bolanderi Peter Rubtzoff 1974-9-7 7882 Sonoma Hinebaugh Creek in Rohnert Park, creek bed east of Commerce Blvd. crossing Comment
  UC842252  Juncus bolanderi Marcus E. Jones, A. M. 1882-7-17 3523 Sonoma Duncan's Mills Comment
  UCD55072  Juncus capitatus Ellen Dean; Tammie Beyerl 2006-4-28 3016 Sonoma Town of Kenwood. East side of Hwy. 12. Kunde Vineyards. Vicinity of Pepperwood Lake Reservoir. 177 Comment
  UCD141419  Juncus capitatus Frederica Bowcutt 1984-6-23 431 b Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg. Immed. SW of park entrance, W of Hwy 1 and NW of Gerstle Cove. 30 Comment
  RSA22444  Juncus covillei J. T. Howell 1937-7-4 13078 Sonoma Near Petrified Forest. Comment
  RSA94088  Juncus dubius J. T. Howell 1945-7-18 21326 Sonoma Pitkin Marsh Comment
  CDA31034  Juncus effusus D. G. Kelch, Troy McGregor 2010-8-22 10 .338 Sonoma Geyser Peak Rd. Comment
  CAS-BOT-BC210059  Juncus effusus Peter Rubtzoff 1964-7-29 5454 Sonoma Duncans Mills Marsh. Comment
  UCD148475  Juncus effusus Peter Rubtzoff 1964-7-29 5455 Sonoma Duncans Mills Marsh. Comment
  RSA790719  Juncus effusus subsp. pacificus Peter Rubtzoff 1968-6-25 5907 Sonoma Lichan Marsh. Comment
Read comments
Apr 16 2014
  CAS-BOT-BC157986  Juncus hesperius Peter Rubtzoff 1954-8-3 1634 Sonoma Lower Salmon Creek Marsh Comment
  UCD141547  Juncus hesperius Mary M. Hektner; Sue Dakizaku 1974-6-3 015 -A Sonoma Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  RSA368222  Juncus hesperius Christopher Davidson 1977-6-20 6035 Sonoma Ridge Crest road, on Sea Ranch property south of Gualala River. 30 Comment
  POM261452  Juncus kelloggii Alice Eastwood, John Thomas Howell 1940-5-5 7866 Sonoma Summit of Bennett Valley Road. Comment
  HSC42040  Juncus lescurii S. Saufferer 1973-5-24 218 Sonoma Bodega Bay near the ocean Comment
  UCD141648  Juncus occidentalis M. Wiesendanger 1927-5-5 713 Sonoma Sonoma. Comment
  UC1601863  Juncus phaeocephalus State Survey 1890-1 Sonoma Cloverdale Comment
  RSA94015  Juncus phaeocephalus var. phaeocephalus Peter Rubtzoff 1951-7-21 509 Sonoma Pitkin Marsh, near Forestville; Between the Upper and the Lower marshes. Comment
  CAS-BOT-BC235865  Keckiella corymbosa Belle Richardson Jackson 1924-8-1 s.n. Sonoma Mt. St. Helena Comment
  UC1238931  Keckiella corymbosa Freed W. Hoffman 1946-8-14 588 Sonoma East Austin Creek; North Coast Ranges, Rocky Mountain Comment
  CAS-BOT-BC320577  Kickxia Peter Rubtzoff 1970-9-8 6381 Sonoma Marsh on River Road, ca. 3 miles west of Fulton. Comment
  CAS-BOT-BC419699  Kickxia Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7806 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC350941  Koeleria Peter Rubtzoff 1964-6-6 5357 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  UC1011011  Koeleria macrantha Virginia Bufford 1936-5-20 334 Sonoma Kellogg-Mark West Rd 3 mi from Kellogg Comment
  CAS-BOT-BC273783  Koeleria pyramidata Catherine Best 1993-5-6 1414 Sonoma Pepperwood, in Weimar Meadow Comment
  CAS-BOT-BC274316  Lagurus ovatus A. A. Beetle 1941-7-8 2856 Sonoma 1 mile north of Steward Point Comment
  CAS-BOT-BC486690  Lamiaceae Peter Rubtzoff 1966-8-18 5784 Sonoma Laguna de Santa Rosa ca 1 mile ESE of Sebastopol Comment
  JEPS86748  Lasthenia burkei Jack and Betty Guggolz 1990-5-4 1047 Sonoma 0.5 mi ese center of Sebastapol (on the n side of the Laguna) 19 Comment
  UC1594207  Lasthenia burkei L. Huntington 1990-5-4 255 Sonoma n side of Laguna de Santa Rosa; Sebastapol 18 Comment
  RSA0008548  Lasthenia burkei Peter Rubtzoff 1963-6-6 5165 Sonoma Laguna de Santa Rosa, east of Graton Comment
  RSA784685  Lasthenia burkei Mark Elvin 1997-5-7 397 Sonoma Windsor, E of Starr Rd 1/3 mi S of old Redwood Hwy 10 Comment
  CAS-BOT-BC346334  Lasthenia californica John Thomas Howell; Catherine Best; Wilma Follette; Gordon True; Mary P. Wells 1981-5-14 53978 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles ne of Penngrove on the west slope of Sonoma Mountain 457 Comment
  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-BC355518  Lasthenia glaberrima Peter H. Raven 1963-4-28 18254 Sonoma 4.7 miles south of El Verano on Arnold Drive Comment
  UC1224622  Lasthenia glaberrima Peter H. Raven 1963-4-28 18254 Sonoma 4.7 mi s El Verano (on Arnold Dr.) Comment
  CAS-BOT-BC355537  Lasthenia glaberrima Lois E. James; L. Beane 1949-5-16 1947 Sonoma About 3 mi. S. of Healdsburg. Comment
  RSA177051  Lasthenia glaberrima Peter H. Raven 1963-4-28 18254 Sonoma 4.7 miles south of El Verano on Arnold Drive. Comment
  SBBG7773  Lasthenia macrantha subsp. macrantha H. and M. Dearing 1939-5-14 3366 Sonoma Bodega State Park [Bodega Dunes State Beach] Comment
  SD112563  Lasthenia minor subsp. maritima Darley F. Howe 1966-6-2 4259 Sonoma Coast,4.0 miles north of Bodega Bay on Highway 1. Comment
  RSA783472  Lathyrus Peter Rubtzoff 1971-9-1 6672 Sonoma Spring Creek Reservoir area east of Santa Rosa Comment
  RSA783473  Lathyrus Peter Rubtzoff 1971-6-23 6551 Sonoma Eastern foothills of Sonoma Mountains on Sobre Vista Road, 0.9 miles west of Arnold Drive Comment
  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
  UCD150835  Lathyrus hirsutus Ayzik Solomescsh 2009-5-13 s.n. Sonoma Vicinity of Santa Rosa, north of city of Rohnert Park. East of Hwy 101 and south of Horn Ave. Elevation estimated from Google Earth by label maker. 30 Comment
  SEINET956151  Lathyrus polyphyllus Carl B. Wolf 1934-1 5799 Sonoma 6/10 mi. Inland from Stwearts Pt. Redwood forest floor, semishade. Comment
  UCD106668  Lathyrus tingitanus Donna Allen 1977-5-24 s.n. Sonoma Dry cr. Rd. next to bridge at site of proposed dam. Comment
  UCR37760  Lathyrus vestitus A. C. Sanders 1985-1-19 5372 Sonoma Bodega Bay, coastal bluffs behind Lucas Wharf, along the highway 15 Comment
  CAS-BOT-BC323237  Layia chrysanthemoides John Thomas Howell 1931-4-1 6036 Sonoma 9 miles SW of Sonoma on road to San Rafael. Comment
  CAS-BOT-BC329305  Layia septentrionalis H. E. Brown; A. A. Heller 1902-5-29 5622 Sonoma Mt. Hood Comment
  CAS-BOT-BC210101  Lemna Peter Rubtzoff 1970-8-18 6316 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC210102  Lemna Peter Rubtzoff 1970-8-18 6320 Sonoma 5 miles north of Sears Point. Comment
  RSA0028898  Lemna gibba Peter Rubtzoff 1961-8-6 4674 Sonoma Americano Creek, 0.5 mi east of Valley Ford. Comment
  UCR254728  Lemna minima Peter Rubtzoff 1955-7-31 2007 Sonoma Forestville Marsh [c. 0.5 mi E of Forestville, NW of Sebastopol] 50 Comment
  CAS-BOT-BC344881  Lemna minor Peter Rubtzoff 1962-8-24 5067 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC344900  Lemna minor Peter Rubtzoff 1955-7-10 1958 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC534367  Lemna minor Greg de Nevers 1992-6-16 10164 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road 304 Comment
  UCD148503  Lemna minor Peter Rubtzoff 1965-11-9 5669 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC527277  Lemna minuta Peter Rubtzoff 1951-8-4 574 Sonoma Northern half of Lower Marsh, Pitkin Marsh near Forestville Comment
  RSA0065913  Lemna valdiviana Peter Rubtzoff 1954-8-10 1671 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC339168  Leontodon saxatilis subsp. saxatilis R. E. Frenkel 1964-6-23 612 Sonoma On California Hwy. 1, 2.3 miles south of Stewarts Point 18 Comment
  CAS-BOT-BC89149  Lepidium didymum Alice Eastwood 1915-6-29 4866 Sonoma Bodega Point. Comment
  CAS-BOT-BC89150  Lepidium didymum Walter Knight; Irja Knight 1963-8-13 173 Sonoma Horseshoe Cove. Comment
  UCD167420  Lepidium didymum Peter Rubtzoff 1958-8-9 3840 Sonoma Laguna de Santa Rosa N of Sebastopol (nr. Occidental Rd.) 20 Comment
  UCD115354  Lepidium didymum G. P. McNear 1924-8-1 s.n. Sonoma Petaluma. Comment
  CAS-BOT-BC89739  Lepidium latifolium Walter Knight; Irja Knight 1963-8-9 199 Sonoma North side Lakeville Highway at Petaluma Fertilizer office - Petaluma (waif). Comment
  CAS-BOT-BC12658  Lepidium nitidum A. A. Heller; H. E. Brown 1902-3-12 5048 Sonoma Sonoma Creek, eastern base of Mount Hood. Comment
  SEINET6915965  Lepidium nitidum A. G. Vestal, W. P. Vestal 1962-4-11 s.n. Sonoma Serpentine area 1 mile east of Occidental. Comment
  CAS-BOT-BC366884  Leptochloa fusca subsp. fascicularis Greg de Nevers 1997-9-22 11089 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mark West Creek at Leslie Creek junction 400 Comment
  CAS-BOT-BC273995  Leptochloa fusca subsp. fascicularis Catherine Best 1987-7-2 1291 Sonoma At the intersection of Todd and Llano Rds. Comment
  RSA6406  Leptosiphon androsaceus Jens Clausen 1933-3-25 733 Sonoma Santa Rosa Creek. 183 Comment
  CAS-BOT-BC226698  Leptosiphon jepsonii Alice Eastwood; John Thomas Howell 1938-5-15 5508 Sonoma Near Mark West Springs Comment
  CAS-BOT-BC376245  Leptosiphon parviflorus Greg de Nevers 1992-4-28 10118 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 475 Comment
  NY180565  Lessingia bicolor A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  CAS-BOT-BC324190  Lessingia hololeuca J. W. Compton 1880-9-1 s.n. Sonoma Petaluma Comment
  CAS-BOT-BC341995  Lessingia ramulosa A. A. Heller 1902-8-18 6049 Sonoma Santa Rosa Comment
  JEPS128237  Lessingia ramulosa Roger Raiche 2000-8-18 145 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC368056  Leucanthemum vulgare Greg de Nevers 1998-5-20 11253 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Mouth of Kalfenatchi's[?] driveway 400 Comment
  UCD92466  Leymus X vancouverensis Beecher Crampton 1959-6-16 5402 Sonoma Doran Park, south end of Bodega Bay. Comment
  UC1187708  Ligusticum apiifolium Tracey and Viola Call 1961-6-10 2070 Sonoma 1 mi.n. Kruse Rhododendron State Park 60 Comment
  CAS-BOT-BC451709  Lilaea scilloides Peter Rubtzoff 1955-5-7 1815 Sonoma Ross Marsh. Comment
  IRVC1238007  Lilaea scilloides J. H. Weiler, D. Kaplan 1961-3-27 6163 Sonoma 4.4 miles north of Sears Point. Roadside ditch with running water along Highway 37. Comment
  POM109718  Lilium humboldtii subsp. humboldtii Marcus E. Jones 1882-7-18 s.n. Sonoma Duncans Mills Comment
Read comments
Feb 5 2011
  CAS-BOT-BC130830  Lilium pardalinum Peter Rubtzoff 1951-7-22 539 Sonoma Northern half of Lower Marsh Comment
  RSA215898  Limnanthes douglasii Peter Rubtzoff 1955-5-21 1875 Sonoma Ross Marsh. Comment
  UCD35883  Limnanthes douglasii Beecher Crampton 1966-5-10 7730 Sonoma 6.5 miles n. of Sonoma, State Hwy. 12. Comment
  RSA264714  Limnanthes douglasii subsp. douglasii Peter Rubtzoff 1971-5-8 6442 Sonoma Eastern foothills of Sonoma Mts. on Sobre Vista Road 0.9 mi west of Arnold Drive. Comment
  RSA620404  Limnanthes douglasii subsp. douglasii Greg de Nevers 1993-4-15 10373 Sonoma Healdsburg. Healdsburg Ave., open field opposite the lumber mill. 61 Comment
  RSA52724  Limnanthes douglasii subsp. nivea I. L. Wiggins 1949-4-30 12064 Sonoma 4 miles W of Calistoga Comment
  RSA800896  Limosella acaulis Peter Rubtzoff 1970-8-18 6310 Sonoma Five 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
  CAS-BOT-BC225244  Linanthus latisectus Greg de Nevers 1995-5-5 10722 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, on the way to Wiemar Flat 487 Comment
  JEPS112969  Linanthus parviflorus Dean W. Taylor 1994-5-4 14209 Sonoma ca. 2 mi SW of Occidental; at junction of Bittner Road and Joy Road, 249 Comment
  UCD123911  Linaria vulgaris G. Thomas Robbins 1958-8-11 3924 Sonoma along Estero Lane, a dirt road south of State Highway 1, about 2 miles south of the highway, west of the town of Bodega. Comment
  UCD164544  Lindernia Peter Rubtzoff 1975-8-26 8357 Sonoma Bennett Mountain Lake, northern lakeshore. Comment
  UCD110569  Linum bienne Mary M. Hektner 1974-5-27 006 Sonoma Unit 7 Owners' Map, south of Whaler's Reach, Sea Ranch, near State Highway 1. Comment
  SEINET7884058 Image available Linum spergulinum Michener, Bioletti 1892-1 376 Sonoma Magg's Springs Comment
  JEPS117116  Linum trigynum Peter Warner 2010-6-16 167 Sonoma Jenner Headlands, Knoll Field, 203 m S 244 deg. W of residence house Comment
  CAS-BOT-BC505199  Lithophragma affine Ann Howald 2015-4-1 3315 Sonoma North Coast Ranges: Stewarts Point--Skaggs Springs Rd, 14.7 mi W of jct with Rockpile Rd, Wolf Creek drainage 520 Comment
  UC1127211  Lithophragma affine E. Armstrong 1934-3-26 913 Sonoma 1 mi w Camp Meeker; Sebastopol Quad. Comment
  CAS-BOT-BC376405  Livistona Greg de Nevers 1997-5-27 11009 Sonoma Santa Rosa, Peterson Lane. 45 Comment
  JEPS128242  Logfia filaginoides Roger Raiche 2000-5-4 077 .00 Sonoma The Cedars. Promentory, Cabin Site. Lower Russian River, Big Austin Creek watershed. Comment
  CAS-BOT-BC353413  Logfia gallica Peter Rubtzoff 1973-7-24 7197 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC283288  Lolium multiflorum Peter Rubtzoff 1951-7-7 380 Sonoma Pitkin Marsh, near Forestville. E branch of the Upper Marsh Comment
  CAS-BOT-BC283291  Lolium multiflorum Peter Rubtzoff 1951-6-17 276 Sonoma Pitkin Marsh, near Forestville. N half of Lower Marsh Comment
  UC38792  Lolium multiflorum A. M. Coomes 1896-6-20 Sonoma Cloverdale Comment
  UCD66189  Lolium multiflorum Mary M. Hektner; Sue Dakuzaku 1974-6-3 18 B Sonoma Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC283292  Lolium multiflorum David L. Morgan 1960-7-10 s.n. Sonoma 1 mile S of Carmet, State Highway 1, Bodega Coast Comment
  SEINET7042400  Lolium multiflorum A. G. Vestal 1947-5-12 s.n. Sonoma 1 mile east of Occidental. Camp Meeker quadrangle UTM Zone 10, 505500mE, 4251757mN. Comment
  UCD84596  Lolium perenne Frederica Bowcutt 1996-5-24 2162 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. Approx. 1.2 air miles S of Red Mountain. Adobe Canyon just NW of Sonoma/Rattlesnake Creek confluence. 365 Comment
  POM266014  Lomatium caruifolium Lincoln Constance, Reed Rollins 1942-5-10 2862 Sonoma Sonoma County: 4 miles N of Geyserville. 61 Comment
  CDA326  Lomatium dasycarpum D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .271 Sonoma Cavedale Rd. Comment
  JEPS86812  Lomatium dasycarpum subsp. dasycarpum Jack and Betty Guggolz 1991-5-4 1123 Sonoma top of Bradford Mt. (1 mi. w. of Dry Creek Rd.) 365 Comment
  POM180784  Lomatium dasycarpum subsp. dasycarpum J. T. Howell 1930-7-13 5340 Sonoma Black Point Road Comment
  SEINET7096769  Lomatium foeniculaceum var. fimbriatum A. G. Vestal 1955-5-7 s.n. Sonoma Facendini Lane off Occidental Road 1 mile east of Occidental. NAD27, 38? deg. 24' 25ao, -122?_ 55' 38ao (converted to WGS84 decimal degrees) UTM Zone 10, 566349mE, 4250771mN. Comment
  JEPS79430  Lomatium macrocarpum Nancy Harrison 1980-4-6 2095 Sonoma near Glen Ellen (Sonoma Valley Park, s. on cow trail going down steep slope); Sonoma Valley Park Comment
  UC1076677  Lomatium utriculatum C. Ritchie Bell 1952-3-19 1247 Sonoma top of Larksur Rock Bodega; , Larkspur Rock Comment
  UCD127724  Lomatium utriculatum Jennifer Bury; Peggy Herzog 1993-5-8 261 Sonoma About 40 air miles N of San Francisco; about 11 air miles E of Santa Rosa and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. 381 Comment
  POM132577  Lomatium vaginatum A. A. Heller, H. E. Brown 1902-4-2 5198 Sonoma Hills northeast of Santa Rosa Comment
  UCD137325  Lonicera hispidula C. Wistrom 1996-5-26 27 Sonoma Healdsburg, 1601 Dry Creek Road. 48 Comment
  POM46733  Lonicera involucrata A. A. Heller, H. E. Brown 1902-3-10 5015 Sonoma Hills East of Santa Rosa. Comment
  CAS-BOT-BC244004  Lonicera involucrata var. ledebourii A. A. Heller; H. E. Brown 1902-3-10 5015 Sonoma Hills east of Santa Rosa Comment
  CAS-BOT-BC244013  Lonicera involucrata var. ledebourii Peter Rubtzoff 1957-6-28 3385 Sonoma Duncan Mills Marsh Comment
  CAS-BOT-BC243995  Lonicera involucrata var. ledebourii Mary P. Wells 1982-8-24 s.n. Sonoma Salt Point State Park Comment
  UC1321326  Lotus R. F. Hoover 1964-9-8 9288 Sonoma Timber Cove Comment
  CAS-BOT-BC540843  Lotus Peter Rubtzoff 1974-5-18 7423 Sonoma Todd Road, 1.4 mi from Hwy 116 and 0.6 mi from Llany Road Comment
  RSA115453  Lotus angustissimus Beecher Crampton 1955-6-17 2967 Sonoma Fort Ross Comment
  UC618378  Lotus angustissimus Milo S. Baker May 1935 8067 Sonoma n of Wrights Beach (Coast Highway) Comment
  UCD35134  Lotus angustissimus Beecher Crampton 1946-8-16 417 Sonoma Fort Ross. Comment
  UCD35510  Lotus angustissimus Beecher Crampton 1957-7-22 4373 Sonoma State Hwy. 1, 0.9 mile south of Stewart's Point. Comment
  SEINET12165325  Lotus crassifolius Unknown 1985-1 RR 50572 Sonoma W side of Dry Creek Valley, N of Crane Ck, S of Bradford Mt, headwaters of Wine Crk 305 Comment
  SEINET4982902  Lotus formosissimus Unknown 1994-4-3 77 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; Hwy 1 Comment
  HSC98263  Lotus humistratus S. N. Wiemeyer 1962-4-20 29 Sonoma 0.75 mi. E of County Hospital along Chanate Rd. 122 Comment
  SEINET12165156  Lotus humistratus W. Knight, Knight, I.; DrEdwards, S. 1986-1 5353 Sonoma Geyser Peak - access from Healdsbrug-Geysers Rd 853 Comment
  UC1277995  Lotus junceus var. biolettii B. Crampton 1957-7-22 4370 Sonoma 0.9 mi s of Stewart's Point (along State Highway 1); State Highway 1 Comment
  SD62044  Lotus pedunculatus Darley F. Howe 1965-8-3 4102 Sonoma 8 miles east of Bodega Bay on Hwy 1 Comment
  CDA31006  Lotus purshianus D. G. Kelch, Troy McGregor 2010-8-22 10 .357 Sonoma Nr Peak of Geyser Peak Rd. 0 Comment
  UC726745  Lotus purshianus var. purshianus A. A. Heller 1941-8-8 16278 Sonoma w of Petrified Forest Comment
  UC15595  Lotus scoparius Miss Alice King Jun 1897 Sonoma Healdsburg Comment
  RSA389  Lotus unifoliolatus E. R. Johnson 1928-8-22 1108 Sonoma Russian River, 1/2 mile E of Cloverdale Comment
  UC726027  Lotus wrangelianus A. A. Heller 1938-5-14 15079 Sonoma n of Bodega Bay Comment
  CAS-BOT-BC290621  Ludwigia Peter Rubtzoff 1986-8-31 9731 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UCD66024  Ludwigia hexapetala B. J. Grewell 2006-8-24 06- 50 -LU Sonoma Russian River at Sunset Beach, downstream of vacation home area. 12 Comment
  CAS-BOT-BC251191  Ludwigia palustris Peter Rubtzoff 1956-9-15 2914 Sonoma Atascadero Creek Marsh. Comment
  UCD164978  Ludwigia palustris Peter Rubtzoff; Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7800 Sonoma Kenwood Marsh. Comment
  RSA94087  Ludwigia palustris var. pacifica J. T. Howell 1945-8-14 21386 Sonoma Perry Marsh Comment
  RSA790998  Ludwigia peploides Peter Rubtzoff 1961-8-24 4711 Sonoma Vacation Beach, 2 miles below Guerneville along Russian River. Comment
  UCD65949  Ludwigia peploides subsp. peploides B. J. Grewell 2006-9-19 06- 73 -LU Sonoma Spring Lake, Sonoma County Park. Santa Rosa, CA. Shoreline near kayak rental and concession area. 89 Comment
  CAS-BOT-BC201288  Lupinus Milo S. Baker 1928-6-28 3193 Sonoma Pitkin's Farm upland -Vine HIll Dist. Comment
  CAS-BOT-BC201291  Lupinus Charles Piper Smith 1947-6-25 47572 Sonoma Highway 1, Stewarts Point, 7.6 miles south Comment
  CAS-BOT-BC201292  Lupinus Charles Piper Smith 1948-6-14 48386 Sonoma Glen Ellen - Triniti Road - Highway 12 junction, 1.5 miles east Comment
  CAS-BOT-BC195977  Lupinus albifrons var. albifrons Charles Piper Smith 1948-4-27 48165 Sonoma Junction Melitta-Mark West-Petrified Forest roads. Petrified Forest, junction Comment
  SD130430  Lupinus albifrons var. albifrons F. Almeda, G. DeNevers 1981-4-28 4912 Sonoma Pepperwood Ranch: vicinity of the Bechtel cabin in and about serpentine chaparral. Comment
  CAS-BOT-BC196044  Lupinus albifrons var. collinus Peter Rubtzoff 1953-5-18 1414 Sonoma Near road from Edendale to Vacation Beach, near Guerneville Comment
  POM11031  Lupinus albifrons var. eminens A. A. Heller, H. E. Brown, A. H. Heller 1902-3-27 7175 Sonoma Western base of Mt. Hood. Comment
  UC130309  Lupinus arboreus J. Burtt Davy 1896-3-13 1646 Sonoma Duncan's Mills Comment
  UC865419  Lupinus arboreus Lewis S. Rose 1939-4-2 39052 Sonoma Duncan Mills, Russian River 30 Comment
  HSC14798  Lupinus bicolor R. Spellenberg, D. Sutherland, , A. Sylvester 1966-3-26 1338 Sonoma 7 mi. W of Big Geysers along Sulphur Creek Rd. Comment
  RSA52650  Lupinus bicolor subsp. microphyllus I. L. Wiggins 1943-4-30 12066 Sonoma 4 miles west of Calistoga, just west of the county line. Comment
  RSA0003396  Lupinus densiflorus var. persecundus Marcus E. Jones 1882-7-17 3329 Sonoma Duncan's Mills. Comment
  UC527542  Lupinus formosus C. B. Wolf 1931-8-23 2345 Sonoma along Redwood Highway 1 mi s Cloverdale; s of Cloverdale 91 Comment
  UCD160313  Lupinus latifolius James A. Neilson Jr. 1975-5-23 3200 Sonoma Big Sulphur Creek, Abril property. ( (Elevation and coordinates estimated by label maker.) 388 Comment
  SEINET10450573  Lupinus latifolius Frederick H. Utech, Walter Knight; Irja Knight 1984-4-16 Utech 84 -084 Sonoma Ca 4.0 mi NNW of Sonoma on Cavedale Rd from jct with CA Hwy 12; ca 0.5 mi N on Cavedale Rd from jct. Plants perennial; scattered in dry, open chaparral. 152 Comment
  SEINET12165195  Lupinus micranthus F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -189 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd, between Jimtown & Mercuryville 630 Comment
  UC726073  Lupinus microcarpus var. densiflorus A. A. Heller 1938-5-14 15092 Sonoma between Shellville and Petaluma; between Shellville and Petaluma Comment
  JEPS86765  Lupinus microcarpus var. microcarpus Jack and Betty Guggolz 1990-6-16 1065 Sonoma one mi nnw Camp Meeker (at the upper end of a reservoir on Grub Creek); Grub Creek 85 Comment
  SD88509  Lupinus microcarpus var. microcarpus Darley F. Howe 1972-6-28 Sonoma North of Jenner Comment
  CHSC23152  Lupinus nanus Robert A. Schlising 1962-3-31 2120 Sonoma California Coast Range. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  SEINET7063004 Image available Lupinus nanus A. G. Vestal 1955-5-8 s.n. Sonoma South of Bennett Mountain. UTM Zone 10, 532837mE, 4251642mN. (WGS84/NAD83). 573 Comment
  UCD108932  Lupinus nanus Frederica Bowcutt 1996-3-24 2083 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. 0.5 air mile SSE of Red Mountain. Near large rock outcrop/Vista Rock along Vista Trail. 563 Comment
  UCD109093  Lupinus nanus Caitlin Lewis; William Mutch 1993-4-17 2 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn 1 mile. Near visitor center. Comment
  UC865365  Lupinus pachylobus Alice Eastwood 1918-5-1 6844 Sonoma Mt. St. Helena Comment
  CAS-BOT-BC323827  Lupinus polycarpus Peter Rubtzoff 1971-5-8 6436 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive. Comment
  HSC34852  Lupinus polycarpus Thomas W. Nelson 1975-5-8 1810 Sonoma Beside Hwy. 101 at Asti Comment
  UC201943  Lupinus rivularis Miss C. M. Hoak Aug. 1912 Sonoma Monte Rio 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
  HSC34847  Lupinus vallicola subsp. apricus Thomas W. Nelson 1975-5-8 1809 Sonoma Beside Hwy. 101 at Asti Comment
  SEINET11091427 Image available Lupinus variicolor Mrs. H. C. Cantelow 1941-6-7 Sonoma 1.6 miles south of Jeuner State Hy I Comment
  UCD109667  Lupinus variicolor Eric Davidson 1972-5-27 391 Sonoma near University of California's Bodega Marine Lab, Bodega Head. Comment
  UCD166732  Luzula Peter Rubtzoff 1958-5-17 3680 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC210067  Luzula Peter Rubtzoff 1963-5-26 5135 Sonoma Bennett Mountain Lake Comment
  UCD165122  Luzula comosa Peter Rubtzoff 1974-4-17 7369 Sonoma Upper Green Valley Marsh area. Comment
  UCD142103  Luzula comosa Gerry North 1993-4 11 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood and 18 air miles NW of Napa. Across road from Godspeed trailhead pullout. Shaded roadcut. 228 Comment
  UC1133745  Luzula macrantha B. O. Schreiber 1938-2-27 2466 Sonoma 2 miles WNW of Mark West Spr.; Healdsburg Quad. Comment
  CAS-BOT-BC441403  Luzula macrantha L. R. Abrams 1918-4-27 6904 Sonoma Independence School near Healdsburg Comment
  UC19771  Lythrum hyssopifolia Willis L. Jepson Aug. 1892 Sonoma Knights Valley Comment
  CDA15313  Lythrum salicaria Lane 1998-8-2 s.n. Sonoma Park Ave. Turf, 3075 Old Graverstein Hwy, Sebastopol. 0 Comment
  CAS-BOT-BC166955  Madia Peter Rubtzoff 1969-8-29 6173 Sonoma Salmon Creek, ca. 0.5 miles upstream from Hwy. 1. Comment
  UC523535  Madia David D. Keck 1933-11-6 2647 Sonoma 1 mi n Freestone (on road to Occidental) Comment
  CAS-BOT-BC342607  Madia John H. Thomas 1969-9-20 15469 Sonoma About 2 miles north along highway no. 1 from Russian Gulch 304 Comment
  CAS-BOT-BC342610  Madia Peter Rubtzoff 1983-8-28 9675 Sonoma Austin Creek ca. 0.5 mile north of Hwy 116 on Cazadero Road Comment
  UCD164595  Madia Peter Rubtzoff 1975-8-28 8361 Sonoma Kenwood Marsh. Comment
  UCD160118  Madia anomala James A. Neilson Jr. 1973-6-3 3163 Sonoma Mayacmas Mountains. The Geysers. Site I. (Location and elevation of Site I estimated from Neilson 2994 which has Township/Range data and says that Site I is in Geyser Canyon. Coordinates estimated by label maker.) 853 Comment
  CAS-BOT-BC342618  Madia anomala Karl H. Rechinger; J. T. Howell 1953-4-12 s.n. Sonoma Hills north of Sonoma Comment
  UCR25221  Madia capitata John C. Roos 1957-6-28 6617 Sonoma Schellville 23 Comment
  CAS-BOT-BC344043  Madia elegans David D. Keck 1933-11-6 2650 Sonoma 4 mi. N. of Occidental Comment
  UC1069866  Madia elegans H. S. Yates 1935-10-3 5347 Sonoma Santa Rosa; Santa Rosa Quadrangle Comment
  UC990647  Madia elegans James I McMurphy 1908-9-27 Sonoma 2 mi s of Fulton Comment
  CAS-BOT-BC344555  Madia exigua J. Clausen 1935-5-23 1074 Sonoma 0.3 mi. N. of entrance to Petrified Forest Comment
  JEPS81150  Madia exigua Edward Lee with W. A. Setchell 1936-6-7 2196 Sonoma fire trail south ridge; Bohemian Grove Comment
  UCR265433  Madia exigua Ann Howald, Christina Freeman 2015-6-1 3414 Sonoma Inner North Coast Ranges, Annadel State Park, Lawndale wetlands, northeast of intersection of Lawndale and Marsh trails 371 Comment
  SEINET11807610  Madia exigua F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -230 Sonoma end of Stoetz Road 310 Comment
  CAS-BOT-BC345202  Madia sativa Alice Eastwood 1921-5-8 10445 Sonoma Petaluma Comment
  CAS-BOT-BC345226  Madia sativa A. A. Heller 1902-8-18 6050 Sonoma Santa Rosa Comment
  UC75904  Madia sativa Miss M. Alice King June 1897 Sonoma near Healdsburg Comment
  UC905681  Madia sativa H. M. Hall 1916-7-24 10250 Sonoma near Petaluma Comment
  CAS-BOT-BC345201  Madia sativa Minnette Matthaie 1965-7-1 s.n. Sonoma Near Sonoma on road to Napa Comment
  CAS-BOT-BC345231  Madia sativa James I. McMurphy 1909-8-8 703 Sonoma Leddy, electric r.r. station between Santa Rosa and Sebastopol Comment
  CAS-BOT-BC345253  Madia sativa Walter Knight; Irja Knight 1963-10-3 378 Sonoma Off-ramp at freeway US 101 and Railroad Ave - Cotati Comment
  POM53567  Madia sativa A. A. Heller 1902-8-18 6050 Sonoma Santa Rosa. Comment
  RSA94304  Madia sativa Peter Rubtzoff 1951-8-4 580 Sonoma Pitkin Marsh, near Forestville: south of the Upper Marsh Comment
  SD88309  Maianthemum racemosum subsp. amplexicaule Darley F. Howe 1972-5-2 Sonoma Trail above Duncan Mills Road. Comment
  CAS-BOT-BC511495  Maianthemum stellatum H. E. Brown; A. A. Heller 1902-4-15 5297 Sonoma Santa Rosa Creek Comment
  UCD132837  Malacothrix floccifera Frederica Bowcutt; Jeff Kennedy (Det.) and Jolie Hendricks 1994-5-1 1751 Sonoma Sugarloaf Ridge State Park. About 40 air miles N of San Francisco; ~11 air miles E of Santa Rosa; ~18 air miles NW of Napa; ~1.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge along Goodspeed Trail ~1/8 mile from trail head on Adobe Canyon Rd. 213 Comment
  CAS-BOT-BC540136  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
  UCD116558  Malva nicaeensis Mary M. Hektner 1976-4-3 240 Sonoma Along fence and road at Sea Ranch Association Office, Sea Ranch, near State Highway 1. 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-BC262981  Medicago polymorpha Peter Rubtzoff 1958-9-28 4019 Sonoma Vacation Beach, near Guerneville, along Russian River. Comment
  CAS-BOT-BC269516  Melica californica A. A. Heller 1902-4-23 5351 Sonoma Near Sonoma Comment
  UCD87217  Melica californica R. Tofsrud 1947-6-17 195 Sonoma Old Santa Rosa cemetery. Comment
  UCD87218  Melica californica R. Tofsrud 1947-7-1 174 Sonoma Santa Rosa, old cemetery. Comment
  SEINET10599374  Melica californica A. Arthur Heller Heller 5351 Sonoma Comment
  CAS-BOT-BC281275  Melica geyeri G. DeNevers 1981-5-5 950 Sonoma Pepperwood Ranch. On the trail to the Studio Comment
  UCD160976  Melica geyeri James A. Neilson Jr. 1975-7-8 3338 Sonoma Mayacmas Mountains. Socrates Mine. (Elevation and coordinates estimated by label maker.) 914 Comment
  UCD87360  Melica geyeri M. Wiesendanger 1927-5-5 732 Sonoma Kenwood Springs. 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
  JEPS45822  Melica harfordii Eleanor Armstrong 1932-6-3 181 Sonoma near Camp Meeker 121 Comment
  UCD36691  Melica harfordii Beecher Crampton 1955-6-17 2949 Sonoma 4.5 miles S of Cazadero. Comment
  HSC10374  Melica torreyana L. S. Rose 1965-4-4 65022 Sonoma 1 mi. N of Sonoma. 61 Comment
  SEINET3383322 Image available Melica torreyana Barbara L. Wilson, Cheri Buskirk 2009-4-5 15419 Sonoma Santa Rosa; Annadel State Park; Comment
  UC573649  Melica torreyana H. S. Yates 1937-5-30 6542 Sonoma 3 mi wnw Graton; Sebastopol Quad. 60 Comment
  UCD88809  Melica torreyana E. Armstrong 1934-3-26 912 Sonoma 3 mile N.W. of Camp Meeker. 121 Comment
  UCD89114  Melica torreyana Gerry North 1993-4 5 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. Across road from Goodspeed trailhead pullout. On bank edge above Sonoma Creek. 213 Comment
  SEINET10599670  Melica torreyana A. Arthur Heller 1902-3-27 Heller 5160 Sonoma Western base of Mt. Hood. Comment
  CAS-BOT-BC164405  Melissa Peter Rubtzoff 1973-8-28 7277 Sonoma Upper Green Valley Marsh Comment
  UC25359  Melissa officinalis J. Burtt Davy 1896-7-29 4146 Sonoma near Guerneville Comment
  CAS-BOT-BC157655  Mentha Peter Rubtzoff 1965-8-29 5627 Sonoma Russian River bottom at Forest Hills (5.5 mi. E of Guerneville). Comment
  UCD148432  Mentha Peter Rubtzoff 1962-7-4 4965 Sonoma Healdsburg region. Fitch Mts. Grove, 2 mi. east of Healdsburg. Russian River. Comment
  JEPS117114  Mentha aquatica Peter Warner 2010-7-29 173 Sonoma Lower Pitkin Marsh, along primary drainage channel, near NE property boundary. Comment
  JEPS63450  Mentha pulegium W. L. Jepson 1931-7-19 15938 Sonoma Watson School Bodega (Bodega) 152 Comment
  POM283194  Mentha pulegium A. A. Heller 1902-7-1 s.n. Sonoma Lagoon at Sebastopol Comment
  POM62727  Mentha pulegium Geo R. Hall 1906-10-14 s.n. Sonoma Guerneville Comment
  SEINET7952677  Mentha pulegium G. R. Hall 1906-10-14 s.n. Sonoma Guerneville. Comment
  UCSB11202  Mentha pulegium Breedlove, Dennis 1961-12-31 Sonoma At S side of mouth of Russian River 6 Comment
  RSA784551  Mentha spicata Peter Rubtzoff 1968-8-24 5932 Sonoma Upper Salmon Creek Marsh. Comment
  UCR279625  Mentha spicata Peter Rubtzoff 1961-8-24 4696 Sonoma Fife Creek Marsh [near Guerneville] Comment
  CAS-BOT-BC164665  Mentha spicata Peter Rubtzoff 1952-6-15 1259 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC166908  Mentha spicata Peter Rubtzoff 1961-8-24 4708 Sonoma Fife Creek Marsh. Comment
  RSA784549  Mentha spicata Peter Rubtzoff 1961-8-24 4696 Sonoma Fife Creek Marsh. Bed of Fife Creek. Comment
  UCD148381  Mentha spicata Peter Rubtzoff 1955-8-28 2114 Sonoma Vacation Beach, near Guerneville. Comment
  CAS-BOT-BC428952  Micranthes californica F. Almeda; G. DeNevers 1981-3-30 4873 Sonoma Pepperwood Ranch. Along road to the Garrison Cabin at the SW sector of the ranch. Comment
  CAS-BOT-BC428951  Micranthes californica G. H. Mallory 1920-3-29 s.n. Sonoma Grade on east side of Rincon Valley six miles east of Santa Road Comment
  CAS-BOT-BC322615  Micropus amphibolus John Thomas Howell 1948-4-18 24203 Sonoma Hills east of Agua Caliente Comment
  CAS-BOT-BC348627  Micropus californicus var. californicus G. DeNevers 1981-5-5 944 B Sonoma Pepperwood Ranch. Hansel's cow pasture. On the trail across the driveway to the Pippindale Garden Comment
  UC88393  Micropus californicus var. californicus unknown May 1890 Sonoma Cloverdale Comment
  CAS-BOT-BC348730  Microseris bigelovii John Thomas Howell 1931-4-18 6417 Sonoma Mouth of Salmon Creek 2 miles n. of Bay Comment
  POM203301  Microseris bigelovii J. T. Howell 1931-4-18 6417 Sonoma Mouth of Salmon Creek, 2 miles n. of Bay. Comment
  SD6295  Mimetanthe pilosa Michener, Bioletti 1891-9-7 1686 b Sonoma Shellville Comment
  CAS-BOT-BC311875  Mimulus Peter Rubtzoff 1954-7-29 1606 Sonoma Guerneville Marsh. Comment
  RSA0025393  Mimulus Peter Rubtzoff 1970-6-21 6271 Sonoma Along sluggish tributary of Mark West Creek, ca. 3 mi west of Fulton. 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
  SEINET12327817  Mimulus aurantiacus F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -076 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 107 Comment
  HSC42330  Mimulus aurantiacus var. aurantiacus S. Saufferer 1973-5-24 215 Sonoma Bodega Bay Comment
  RSA420300  Mimulus aurantiacus var. aurantiacus Ynez Whilton Winblad 1934-6-10 s.n. Sonoma Nob Hill at Monte Rio on the Russian River Comment
  UCD122502  Mimulus cardinalis Frederica Bowcutt 1994-7-5 1935 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
  JEPS10500  Mimulus grandis Docia Patchett 1918-5-26 Sonoma Black Point Comment
  UC1012302  Mimulus guttatus F. W. Pennell and H. L. Mason 1940-5-21 25483 Sonoma Kellogg Route 28 182 Comment
  POM5021  Mimulus guttatus C. F. Baker 1899-05 s.n. Sonoma Stewarts Canon, near Falls. Comment
  SEINET12327815  Mimulus guttatus F. H. Utech, Knight, W.; Knight, I. 1984-1 84 -097 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  UC26956  Mimulus kelloggii H. N. Bolander 1864-1 3951 Sonoma near Pine Mt.; The Geysers Comment
  UCD160849  Mimulus microphyllus James A. Neilson Jr.; Teresa A. Sholars 1975-6-27 3296 Sonoma Mayacmas Mountains, Ca. 1/4 mile S of Caldwell Pines, ca. 3 1/2 miles west of Glenbrook and Bottle Rock Road, northeast Sonoma County. (Elevation and coordinates estimated by label maker.) 975 Comment
  JEPS19397  Mimulus tricolor G. Thomas Robbins 1938-5-19 264 Sonoma sw Santa Rosa (Stony Point Road, near The Lagunas) Comment
  RSA550574  Mimulus tricolor Peter Rubtzoff, H. A. Froebe 1971-5-30 6482 Sonoma 4.25 mi west of Glen Ellen on Bennett Valley Rd. Comment
  SEINET3159712  Mimulus tricolor K. Brandegee 1905-6-8 sn Sonoma Between Santa Rosa and Sebastopol. Comment
  UCD98257  Minuartia californica G. F. Hrusa 1995-4-2 12037 Sonoma along Franz Valley School Road, approx. 1 mile NW of Napa/Sonoma county line. 250 Comment
  CAS-BOT-BC388889  Minuartia douglasii Greg de Nevers 1990-3-26 9656 A Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road 457 Comment
  HSC4089  Minuartia douglasii H. E. Parks, S. T. Parks 1930-5-10 851 Sonoma Knights Valley 152 Comment
  UCD167967  Minuartia douglasii James Neilson 1977-6-12 3921 a Sonoma Mayacmas Mountains, McMicking Ranch, well site 2. (McMicking Ranch is also known as Santa Angelina Ranch and is in the vicinity of Knights Valley and Coon Creek.) Comment
  CAS-BOT-BC435111  Mollugo verticillata Peter Rubtzoff 1965-8-29 5624 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville). Comment
  CAS-BOT-BC435112  Mollugo verticillata Peter Rubtzoff 1969-11-2 6206 Sonoma Russian River bottom at Forest Hills, 5.5 mi. east of Guerneville. Comment
  SEINET12326118  Monardella neglecta W. Knight, Knight, I.; Raiche, R.; Edwards, S. 1983-1 4756 Sonoma The Cedars, near Cazadero on Twitchell Ranch 229 Comment
  CHSC67996  Monardella villosa Jack Guggolz; Betty Guggolz 1992-6-13 1313 Sonoma West side of Black Mountain, south of Geyser Peak. 597 Comment
  CAS-BOT-BC220503  Monardella villosa John Thomas Howell 1929-6-30 6316 Sonoma 6 miles from Petrified Forest on road to Knights Valley Comment
  UC1784120  Monardella viridis Ethel Crum 1930-7-13 816 Sonoma Mt. St. Helena, S shoulder Comment
  UCD165123  Montia Peter Rubtzoff 1974-4-17 7371 Sonoma Upper Green Valley Marsh area. Comment
  CAS-BOT-BC444987  Montia fontana John Thomas Howell 1933-4-1 10926 Sonoma Petaluma Comment
  CAS-BOT-BC445004  Montia fontana Peter Rubtzoff 1966-4-30 5690 Sonoma North side of Hessel Road just west of Hwy. 116. Comment
  UCD86411  Muhlenbergia andina Freed W. Hoffman 1947-5-30 1700 Sonoma Layton Mine, Austin Creek. Comment
  UCD119515  Myosotis discolor Frederica Bowcutt; Jeff Kennedy and Jolie Henricks 1994-5-1 1795 Sonoma About 40 air miles N of San Francisco; ~11 air miles E of Santa Rosa; ~18 air miles NW of Napa; ~1.5 air miles NE of Kenwood. In main campground ~150 yards S of Sonoma Creek; 1/4 mile NW of confluence w/Rattlesnake Creek at the toe of Sugarloaf Ridge. 350 Comment
  CAS-BOT-BC101794  Myrica californica Peter Rubtzoff 1951-9-2 727 Sonoma Lower part of the Upper Marsh Comment
  UC1011108  Myrica californica Milo S. Baker 1941-8-4 8594 Sonoma Richardson's Ranch near cross hwy. to Healdsburg (e. of Stewart's Point) 243 Comment
  RSA461913  Myrica californica Christopher Davidson 1977-6-17 5887 Sonoma Coast Highway 1, ca. three miles north of Jenner. Comment
  RSA800152  Myriophyllum brasiliense Peter Rubtzoff 1966-6-27 5770 Sonoma Santa Rosa Creek area, ca. 1 mi east of Laguna de Santa Rosa. Comment
  RSA800153  Myriophyllum brasiliense Peter Rubtzoff 1970-8-18 6318 Sonoma 5 mi N of Sears Point. 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-BC260071  Nassella lepida John Thomas Howell; et al. 1981-5-14 53946 Sonoma Fairfield Osborn Preserve of the Nature Conservancy, 4.5 miles NE of Penngrove on the W slope of Sonoma Mountain 457 Comment
  CAS-BOT-BC260072  Nassella lepida G. DeNevers 1981-6-8 1503 Sonoma Pepperwood Ranch. N arm of Garrison Canyon Comment
  SBBG26388  Nassella pulchra B. Crampton 1966-5-10 Sonoma 3 mi S of Healdsburg Comment
  UCD38706  Nassella pulchra Beecher Crampton 1957-5-16 4041 Sonoma TYPE LOCALITY: 3 miles south of Healdsburg, along US Hwy. 101. Comment
  UC73612  Navarretia cotulifolia Milo S. Baker May 1899 Sonoma Santa Rosa Comment
  UC101995  Navarretia intertexta Katharine Brandegee Jun 1905 Sonoma between Santa Rosa and Sebastopol Comment
  HSC100966  Navarretia intertexta subsp. intertexta Peter Warner, Sarah Gordon 2011-5-27 205 Sonoma McCullough Ranch, end of Cresta Rd. (off Mark West Spring Rd. at Mark West Lodge), ~675 m, N75 deg. E from main residence, E from Mark West Creek Rd., S of 2nd bridge below power lines. 159 Comment
  JEPS70381  Navarretia leucocephala subsp. bakeri J. Ewan 1935-5-13 9249 Sonoma along RR. tracks Wright School (on Sebastopol road) Comment
  CAS-BOT-BC230377  Navarretia leucocephala subsp. bakeri Niall McCarten 1992-5-6 1276 Sonoma 1.75 miles SSE of WIndsor 33 Comment
  UC2014131  Navarretia leucocephala subsp. bakeri A. Solomeshch 2009-5-12 s.n. Sonoma Sonoma County: Along Bennett Valley Road (between Santa Rosa and Glen Ellen). Comment
  RSA227206  Navarretia leucocephala subsp. plieantha Peter Rubtzoff 1966-5-30 s.n. Sonoma Laguna de Santa Rosa, northwest [NE] of Graton, at end of Piner Road. Comment
Read comments
Dec 22 2014
  SEINET191588  Navarretia pubescens Lewis S. Rose 1940-5-22 40371 Sonoma Sonoma 30 Comment
  CAS-BOT-BC232685  Navarretia pubescens Milo S. Baker 1927-5-17 2157 a Sonoma Bennett Valley Road, 0.5 mile W of Sonoma Creek Bridge Comment
  JEPS70509  Navarretia viscidula W. L. Jepson 1921-6-2 9298 Sonoma w of Windsor Comment
  JEPS70518  Navarretia viscidula F. T. Bioletti 1892-5-31 Sonoma Shellville Comment
  UC1057471  Nemophila heterophylla G. Thomas Robbins 1940-3-21 290 Sonoma foothills near junction of Pleasant Avenue Road and Chalk Hill Road 121 Comment
  UC24176  Nemophila heterophylla H. N. Bolander 1864-4-17 3802 Sonoma Santa Rosa Creek Comment
  HSC34933  Nemophila menziesii Thomas W. Nelson, MarJames Nelson 1975-3-25 1755 Sonoma Beside Hwy. 128 E of Geyserville Comment
  JEPS35787  Nemophila menziesii var. atomaria Rimo Bacigalupi, R. Ornduff, L. Heckard 1964-3-25 8928 Sonoma plowed field just off Arnold Drive at its junction with Fowler Creek Road (Sonoma Valley); Sonoma Valley 35 Comment
  POM248998  Nemophila menziesii var. atomaria Lincoln Constance 1938-4-24 2158 Sonoma Mouth of small canyon, 0.5 mile south of Fort Ross. 91 Comment
  UCD120242  Nemophila menziesii var. atomaria G. F. Hrusa; R. Gross 1998-3-14 14152 Sonoma Foote Ranch, NW base of Mt. St. Helena, corner of Ida Clayton Rd. and Hwy 128. Near 2nd pond on Foote Creek. North Coast Biodiversity Arena. 110 Comment
  UCD120243  Nemophila menziesii var. atomaria Caitlin Lewis; William Mutch 1993-4-17 3 Sonoma About 40 air miles N of San Francisco, 11 air miles E of Santa Rosa, and 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge and S of Red Mtn. 1 mile. Near visitor center. 365 Comment
  CAS-BOT-BC231194  Nemophila parviflora A. A. Heller 1903-4-23 s.n. Sonoma Fort Ross Comment
  UC58518  Nemophila parviflora A. A. Heller 1903-4-23 6611 Sonoma Fort Ross Comment
  UC65022  Nemophila parviflora M. L. Baker 1898-4-3 15 Sonoma betw Guerneville and Cazadero; betw Guerneville and Cazadero Comment
  UC198885  Nepeta cataria V. King Chesnut Aug 1887 Sonoma Santa Rosa Comment
  UC25544  Nepeta cataria J. Burtt Davy Jul 1896 4134 Sonoma Russian River Comment
  UC32589  Nepeta cataria V. K. Chesnut Sonoma Petaluma Comment
  CAS-BOT-BC231512  Nicotiana Peter Rubtzoff 1986-9-28 9754 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville Comment
  RSA0034040  Nicotiana Peter Rubtzoff 1986-9-29 9754 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  CAS-BOT-BC157974  Nicotiana Peter Rubtzoff 1965-8-16 5605 Sonoma Russian River bottom at Forest Hills, 5.5 miles East of Guerneville Comment
  RSA791569  Nicotiana acuminata Peter Rubtzoff 1961-6-7 4618 Sonoma Laguna de Santa Rosa, about 1 mi SE of Trenton. Comment
  UC111228  Nicotiana acuminata var. multiflora W. A. Setchell 1906-9-3 Sonoma near Monte Rio Comment
  UCR248360  Nicotiana acuminata var. multiflora Peter Rubtzoff 1986-9-29 9754 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville 13 Comment
  CAS-BOT-BC400121  Nuphar polysepala Peter Rubtzoff 1951-7-8 417 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  CAS-BOT-BC400122  Nuphar polysepala Peter Rubtzoff 1951-7-8 416 Sonoma Pitkin Marsh, near Forestville. Southern half of Lower Marsh Comment
  UCR255727  Oemleria cerasiformis Greg de Nevers 1998-3-4 11138 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CDA38495  Oenanthe sarmentosa T. C. Fuller 1958-1-29 104 -58 Sonoma Triangle G Ranch, Sonoma Mtn., Petaluma. 0 Comment
  UCD127440  Oenanthe sarmentosa Frederica Bowcutt 1994-7-5 1941 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 S edge of Sonoma Creek just upstream from confluence with Bear Creek. Immed. E of Goodspeed Trail Bridge over Sonoma Creek. N of Adobe Canyon Road about 60 ft. 225 Comment
  JEPS67142  Orobanche californica subsp. californica Dorothy King Young 1971-10-15 Sonoma Alder Creek Beach. Comment
  CAS-BOT-BC502961  Orobanche vallicola Wade Sturgeon 1928-7-16 s.n. Sonoma Sebastopol Comment
  SEINET13754683  Orthocarpus W. Roderick 1967-5-13 s. n. Sonoma N. of Steward's Pt. 15 Comment
  POM223587  Orthocarpus campestris Milo S. Baker 1936-05 8576 Sonoma Bennett Valley Highway, 0.5 mi east of old Santa Rosa Fair Grounds. Comment
  RSA184858  Orthocarpus erianthus L. S. Rose 1965-4-4 65018 Sonoma Sonoma. 24 Comment
  RSA178010  Orthocarpus faucibarbatus Robert F. Thorne 1965-4-19 34288 Sonoma Near county dump on Stoetz Road off of Harrison Grade ca. 2 miles NNE of Occidental. 183 Comment
  NY90845  Orthocarpus faucibarbatus var. albidus D. D. Keck 1935-6-15 3375 Sonoma 3 mi. S of Russian River mouth. 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
  SD88310  Osmorhiza berteroi Darley F. Howe 1972-5-2 Sonoma Trail above Duncan Mills Pond. Comment
  CDA7164  Oxalis pes-caprae Plane/S. Thomas 2008-2-26 PDR# 1481679 Sonoma Kenwood, 11011 Sonoma Hwy 0 Comment
  UC1169376  Packera eurycephala var. eurycephala R. Ornduff 1957-5-5 4132 Sonoma just below summit summit of Mount Saint Helena; Mount Saint Helena Comment
  CAS-BOT-BC316881  Packera eurycephala var. eurycephala Brandegee s.n. Sonoma unspecified Comment
  CAS-BOT-BC316882  Packera eurycephala var. eurycephala Brandegee s.n. Sonoma unspecified Comment
  UC972159  Packera greenei Helen K. Sharsmith 1952-6-18 4127 Sonoma near junction of Socrates Mine road with Pine Flat-Middletown road; Inner North Coast Ranges, Mayacamas Mountains 975 Comment
  CAS-BOT-BC227646  Panicum Peter Rubtzoff 1973-8-20 7243 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  CAS-BOT-BC254466  Panicum Peter Rubtzoff 1987-9-27 9859 Sonoma Russian River at Forest Hills, ca. 6 miles E of Guerneville Comment
  CAS-BOT-BC376219  Panicum Greg de Nevers 1996-9-6 10873 Sonoma Pepperwood Ranch Natural Preserve. 3450 Franz Valley Road. In Mark West Creek 487 Comment
  OBI30446  Panicum acuminatum John & Lucille Roos, Lucille Roos 1956-9-1 6598 Sonoma The Geysers Comment
  UCD88558  Panicum acuminatum var. fasciculatum Freed W. Hoffman 1941-7-26 2100 Sonoma North Coast Ranges. Near Guerneville. Comment
  UCD88704  Panicum acuminatum var. fasciculatum Peter Kamb; Francia Chisaki 1950-6-16 1852 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners. South end of marsh. Comment
  UCSB432  Panicum acuminatum var. fasciculatum Kamb, Peter; Chisaki, Francia 1950-6-16 Sonoma Pitkin Marsh, northwest of Sebastopol, 1 mile north of Sousa Corners Comment
  CDA32592  Panicum thermale Beecher Crampton 1964-8-18 7139 f Sonoma NE Sonoma County, The Geysers, 12 mi (in direct line) E of Cloverdale, ca. 0.5 mi E of Geyser Resort area, slope of steam well (locally called The Outlaw ) or otherwise thermal no. 10 (Thermal Power co.) Comment
  JEPS86295  Parentucellia latifolia Jack and Betty Guggolz 1989-5-5 1012 Sonoma 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
  UCD166082  Parentucellia viscosa Peter Rubtzoff 1971-6-10 6538 Sonoma Pitkin Marsh, near Forestville, along western border of the upper part of the marsh. Comment
  UC1185392  Parvisedum pumilum Wayne Roderick 1961-5-4 Sonoma Agua Caliente 3 mi n of Sonoma (at intersection of Route 12 and Sierra Avenue) Comment
  RSA784154  Paspalum dilatatum Peter Rubtzoff 1971-8-23 6647 Sonoma Spring Hill Road, 0.8 miles SE of Bodega Hwy. (of Two Rock Church). Comment
  CAS-BOT-BC265696  Paspalum distichum Peter Rubtzoff 1958-9-20 3989 Sonoma Laguna de Santa Rosa north of Sepastopol, near Occidental Road Comment
  CHSC22339  Pedicularis densiflora Robert A. Schlising 1962-3-31 2117 Sonoma California Coast Ranges. Along Cavedale Road, 1 mi E of Hwy 12. Comment
  SEINET12183627  Pelargonium grossularioides H. K. Wagnon 1989-1 1894 Sonoma around Jack London's Original ?, Jack London State Park Comment
  CAS-BOT-BC207034  Pelargonium zonale Ethel Hodges 1946-7-1 s.n. Sonoma Stewart's Pt. Comment
  UCD137617  Pellaea andromedifolia Jennifer Bury; Peggy Herzog 1993-5-8 295 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. 365 Comment
  CAS-BOT-BC258802  Pennisetum clandestinum Peter Rubtzoff 1971-9-30 6717 Sonoma Spring Creek Reservoir area Comment
  SEINET12326114  Penstemon heterophyllus W. Knight, Knight, I. 1983-1 4710 Sonoma Calistoga Rd 2.5 mi from State Route 12,300 yds S of summit 152 Comment
  JEPS27315  Penstemon heterophyllus var. heterophyllus Eleanor Armstrong 1932-5-26 479 Sonoma 1 1/2 mi e Camp Meeker; e of Camp Meeker 121 Comment
  SEINET12335254  Pentagramma triangularis F. H. Utech, Sato, T.; Ohara, M. 1990-1 90 -272 Sonoma ca 10 mi from Warm Springs Dam enroute to Healdsburg on Old Stewart Point-Skaggs Springs Road 150 Comment
  CAS-BOT-BC222749  Perideridia gairdneri subsp. gairdneri Peter Rubtzoff 1967-8-30 5872 Sonoma Pitkin Marsh, near Forestville. Southern part of the Upper Marsh Comment
  HSC100975  Perideridia kelloggii Peter Warner 2011-8-10 226 Sonoma Jenner Headlands property, Muniz Ranch Rd., about 0.5 mi. N from Hwy. 1 intersection. 55 Comment
  CAS-BOT-BC413653  Persicaria amphibia Peter Rubtzoff 1958-8-23 3925 Sonoma Laguna de Santa Rosa east of Cunningham (nr. Llano Rd.) Comment
  CAS-BOT-BC413646  Persicaria amphibia Peter Rubtzoff 1958-9-6 3970 Sonoma Laguna de Santa Rosa north of Cunningham (nr. Todd Road) Comment
  CAS-BOT-BC413666  Persicaria amphibia Walter Knight; Irja Knight 1964-10-4 726 Sonoma Howarth Park, Santa Rosa Comment
  CAS-BOT-BC418904  Persicaria hydropiperoides Peter Rubtzoff 1958-8-31 3953 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC418913  Persicaria hydropiperoides Peter Rubtzoff 1961-9-6 4739 Sonoma Laguna de Santa Rosa area northeast of Graton Comment
  CAS-BOT-BC418894  Persicaria hydropiperoides Catherine Best 1981-8-22 s.n. Sonoma On Stoetz Lane about 2 miles northeast of Occidental Comment
  CAS-BOT-BC419117  Persicaria lapathifolia Peter Rubtzoff 1966-9-25 5822 Sonoma Laguna de Santa Rosa east of Graton betw. Occidental and Guerneville roads Comment
  CAS-BOT-BC419108  Persicaria lapathifolia John Thomas Howell 1932-9-18 10777 Sonoma Slough draining Kenwood Marsh Comment
  CAS-BOT-BC419265  Persicaria maculosa Peter Rubtzoff 1951-9-15 759 Sonoma Pitkin Marsh, near Forestville. Lower part of the Upper Marsh Comment
  CAS-BOT-BC419271  Persicaria maculosa Peter Rubtzoff 1965-8-29 5630 Sonoma Russian River bottom at Forest Hills (5.5 mi. east of Guerneville) Comment
  CAS-BOT-BC419272  Persicaria maculosa Peter Rubtzoff 1966-9-10 s.n. Sonoma Laguna de Santa Rosa ca. 1 mi. east-southeast of Sebastopol Comment
  CAS-BOT-BC258009  Persicaria punctata Peter Rubtzoff 1973-8-20 7224 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  JEPS128227  Petrorhagia prolifera Roger Raiche 2000-5-4 076 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. 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
  POM299082  Phacelia californica J. T. Howell 1930-7-27 5403 Sonoma One mile north of Fort Ross. Comment
  UCD158781  Phacelia corymbosa James A. Neilson Jr. 1974-6-1 2778 Sonoma Mayacmas Mountains, Geyser Rock, Sonoma County. (Elevation estimated by label maker using Google Earth.) 1118 Comment
  SD41351  Phacelia distans Edith A. Purer 1932-7-21 4832 Sonoma Bodega Bay Comment
  UC909958  Phacelia imbricata Alice Eastwood 1915-6-5 4569 Sonoma Petrified Forest Comment
  RSA201447  Phacelia imbricata subsp. imbricata J. T. Howell 1929-6-9 4302 Sonoma Two miles north of Sonoma. Comment
  UCD120562  Phacelia malvifolia Frederica Bowcutt 1984-6-23 423 Sonoma Salt Point State Park. Approx. 20 miles N of Jenner and 80 miles S of Fort Bragg along the Sonoma County coast. N of Gerstle Cove ca. 1/8 mile. W of Hwy 1. Salt Point State Park. 15 Comment
  JEPS1083  Phacelia nemoralis subsp. nemoralis Ivar Tidestrom 1895-6-14 Sonoma Petaluma Comment
  UC1051810  Phacelia nemoralis subsp. nemoralis L. R. Heckard and C. R. Bell 1951-6-12 152 Sonoma rocky roadcuts and roadsides about 2.5 mi ne Alexander Valley (along road to Pine Flat) 60 Comment
  CAS-BOT-BC258846  Phalaris angusta Peter Rubtzoff 1962-5-30 4851 Sonoma Freestone Marsh Comment
  UCD166121  Phalaris angusta Peter Rubtzoff 1972-6-23 6785 Sonoma Atascadero Creek Marsh. Comment
  CAS-BOT-BC258954  Phalaris aquatica Mary P. Wells 1984-5-24 297 Sonoma Annadel State Park (near Santa Rosa) Comment
  UC1146650  Phalaris arundinacea Freed W. Hoffman June 1944 2027 Sonoma near Guerneville; North Coast Ranges Comment
  CAS-BOT-BC259024  Phalaris californica Peter Rubtzoff 1962-5-11 4828 Sonoma Freestone Marsh Comment
  UC1011004  Phalaris paradoxa Virginia Bufford 1936-5-20 341 Sonoma Kellogg Mark West Rd 3 mi from Mark West; 3 mi from Mark West Comment
  CAS-BOT-BC260879  Phleum pratense John Thomas Howell 1945-8-14 21397 Sonoma Perry Marsh Comment
  UCD21520  Phyllospadix torreyi Becky Wilson 1973-5-12 71 Sonoma Bodega Bay Head in front of UC Marine Laboratory. Comment
  CAS-BOT-BC140613  Physocarpus capitatus A. A. Heller 1902-6-4 5647 Sonoma Santa Rosa Comment
  UC1193198  Pickeringia montana R. H. Neuns 1950-5-17 110 Sonoma 4 mi e of The Geysers; Quad. 60B4 975 Comment
  UCD158851  Pickeringia montana James A. Neilson Jr.; Teresa A. Sholars 1974-12-29 2924 Sonoma The Geysers, Section 15. (Elevation estimated by label maker using Google Earth.) 723 Comment
  SEINET12165199  Pickeringia montana F. H. Utech 1986-1 86 -246 Sonoma Harrison Grade Road, S 0.1 mi from junction with Stoetz Road 200 Comment
  CAS-BOT-BC202278  Pickeringia montana var. montana W. W. Carruth 1899-7-1 s.n. Sonoma Geysers Comment
  POM20260  Pickeringia montana var. montana Michener, Bioletti 7160 Sonoma Hoods Peak Comment
  CAS-BOT-BC173848  Picris echioides Peter Rubtzoff 1964-8-26 5489 Sonoma Marsh, 5 miles northeast of Penngrove on Lichan Road. 213 Comment
  CAS-BOT-BC176157  Picris echioides Peter Rubtzoff 1964-7-29 5447 Sonoma Brooks Gulch Marsh. Comment
  RSA796385  Picris echioides Peter Rubtzoff 1966-8-16 5783 Sonoma Laguna de Santa Rosa, NE of Graton, ca. 0.5 mi north of Guerneville. Comment
  UCD134384  Pinus attenuata J. M. Tucker 1951-6-26 2142 Sonoma Near Top of the World Ranch, about 5 miles due east of Glen Ellen. Comment
Read comments
Nov 30 2017
  JEPS74967  Pinus ponderosa Tim Tunison Sonoma Sugarloaf Ridge Trail e of Kenwood (Sonoma Valley, 0.5 mi from site of nearest habitation and 100 yds recently built Vista Trail); Sugarloaf Ridge State Park 487 Comment
  UCSB36193  Pinus ponderosa Stein, B. 1980-11-2 Sonoma Fountain Grove Ranch, Sonoma County, Calif., T8N, Sec. 35, c. 5 miles north of Santa Rosa 213 Comment
  UCD133336  Pinus sabiniana Frederica Bowcutt 1994-6-25 1916 Sonoma 609 Comment
  UCD138999  Piperia elegans K. Esau 1933-7-8 s.n. Sonoma near Petrified Forest. Comment
  RSA784981  Plagiobothrys Peter Rubtzoff 1969-5-11 6047 Sonoma Laguna de Santa Rosa NE of Graton, at end of Piner Road Comment
  UCD166079  Plagiobothrys Peter Rubtzoff 1971-6-5 6525 Sonoma W side of Hwy. 1, 0.7 mi. SE of Salmon Creek Crossing. Comment
  UCD166132  Plagiobothrys Peter Rubtzoff 1969-5-3 6016 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD166175  Plagiobothrys Peter Rubtzoff 1969-6-15 6096 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC154142  Plagiobothrys Peter Rubtzoff 1972-5-25 6771 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC173559  Plagiobothrys Peter Rubtzoff 1969-6-15 6096 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC176149  Plagiobothrys Peter Rubtzoff 1971-7-23 6611 Sonoma Laguna, Chileno Valley. Comment
  UCD166067  Plagiobothrys Peter Rubtzoff; H. A. Froebe 1971-5-16 6455 Sonoma Duncans Mills Marsh. 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
  UCD160140  Plagiobothrys nothofulvus James A. Neilson Jr. 1974-3-27 3015 Sonoma Mayacmas Mountains. The Geysers. Site A-8. (Elevation estimated using Google Earth by label maker.) 426 Comment
  CAS-BOT-BC258398  Plantago Peter Rubtzoff 1973-10-10 7341 Sonoma Tributary of Americano Creek, 2 miles west of Bloomfield. Comment
  SBBG53025  Plantago erecta M. R. Benedict 1978-4-18 Sonoma Warm Springs Dam site, Dry Crk Valley Comment
  SDSU1027  Plantago erecta D. F. Howe 1972-5-3 4819 Sonoma 4 miles north of Fort Ross. Comment
  SEINET6990031  Plantago erecta A. G. Vestal, Wanda P. Vestal 1962-4-11 s.n. Sonoma Serpentine area, 1 mile east of Occidental. Comment
  CAS-BOT-BC258382  Plantago major Peter Rubtzoff 1973-10-3 7331 Sonoma 0.75 miles northwest of Freestone. Comment
  SD88566  Plantago maritima subsp. juncoides Darley F. Howe 1972-5-3 Sonoma 4.0 miles north of Ft. Ross. Comment
  UC1125647  Plantago maritima var. californica H. S. Yates 1934-4-21 3808 Sonoma near Bodega Port; Duncan Mills Quad. 15 Comment
  CAS-BOT-BC258381  Plantago subnuda Peter Rubtzoff 1968-7-29 5922 Sonoma Upper Salmon Creek Marsh. Comment
  UCSB50227  Plantago subnuda Gray, John 1976-5-1 Sonoma Bluff above Carment State Beach; T6N RllW 15 Comment
  CAS-BOT-BC92120  Platystemon californicus A. A. Heller; H. E. Brown 1902-3-20 5105 Sonoma Near Windsor. Comment
  CAS-BOT-BC92123  Platystemon californicus Walter Knight; Irja Knight 1963-8-13 178 Sonoma Horseshoe Cove. Comment
  CHSC60118  Platystemon californicus E. L. Knight 1988-4-1 5 Sonoma Ca 0.25 m ene of southernmost point of Bodega Head and 100 ft n of Pacific Ocean. 15 Comment
  UC118433  Platystemon californicus Katharine Brandegee 1905-6-25 Sonoma Bodega Head; Cliffs of Bodega Head Comment
  SD88312  Plectritis ciliosa Darley F. Howe 1972-5-3 Sonoma Ocean bluff 2.5 miles north of Jenner Comment
  RSA52689  Plectritis macrocera subsp. grayi I. L. Wiggins 1949-4-30 12060 Sonoma 6.8 miles east of Santa Rosa on road to Calistoga. Comment
  CDA12905  Pleuropogon californicus G. F. Hrusa, R. Gross, A. Buckmann 1996-3-29 12739 Sonoma North Coast Biodiversity Arena; Napa Valley bottom, immediately S of Tubbs Lane, approx. 2 m. NW of Calistoga. Comment
  JEPS77873  Pleuropogon californicus Robert M. Lloyd 1965-5-8 3636 Sonoma se of Sebastepol (about 4 mi n of Route 116, Upper portion of Laguna de Santa Rosa Marsh, e of Cunningham); Laguna de Santa Rosa Marsh Comment
  JEPS86342  Pleuropogon californicus Jack and Betty Guggolz 1988-3-16 903 Sonoma at the nw corner of the intersection of Fulton Road and Wood Road Comment
Read comments
Jun 29 2008
  OBI22107  Pleuropogon californicus Lewis S. Rose 1962-4-11 62020 Sonoma Laguna de Santa Rosa, 1/2 mi E of Cunningham 15 Comment
  UC127248  Pleuropogon californicus C. H. Dwinelle 1908-5-13 4 Sonoma Fulton Comment
  UCD84099  Pleuropogon californicus Ayzik Solomeshch 2009-5-12 s.n. Sonoma Sonoma Regional Park. 37 Comment
  UCD90156  Pleuropogon californicus G. F. Hrusa; A. Buckman, R. Gross 1995-4-1 12032 Sonoma Lagunda de Santa Rosa. Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. 75 Comment
  UCR119120  Pleuropogon californicus Beecher Crampton 1955-4-5 2418 Sonoma Santa Rosa Area, 3 miles northwest of Cotati, Laguna de Santa Rosa, Llano Road 91 Comment
  CAS-BOT-BC260926  Pleuropogon californicus Catherine Best 1983-5-11 s.n. Sonoma At the edge of Arnold Drive about .5 mi. south up the intersection of Hwy. 116 Comment
  UCD37559  Pleuropogon californicus Beecher Crampton 1955-4-5 2403 Sonoma 1.3 miles west of Fulton, along Woolsey Road. Comment
  CAS-BOT-BC260932  Pleuropogon californicus var. californicus John Thomas Howell 1944-5-14 19484 Sonoma Between Petaluma and Chileno Valley Comment
  CAS-BOT-BC260987  Pleuropogon californicus var. californicus John Thomas Howell 1931-4-1 6037 Sonoma 9 miles sw. of Sonoma on road to San Rafael Comment
  UCD90182  Pleuropogon californicus var. californicus R. Tofsrud 1942-4-1 s.n. Sonoma 1/2 mile north of Lewis School, Santa Rosa. Comment
  CAS-BOT-BC311837  Poa Peter Rubtzoff 1974-4-6 7350 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC255607  Poa annua Mary P. Wells 1985-9-9 616 Sonoma At Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC255610  Poa annua Peter Rubtzoff 1958-9-21 4004 Sonoma Vacation Beach, near Guerneville, Russian River bottom Comment
  UCD90689  Poa bulbosa David L. Morgan 1961-3-23 s.n. Sonoma Cotati. Comment
  CAS-BOT-BC254554  Poa douglasii Milo S. Baker 1931-4-18 5384 Sonoma Beach at mouth of Salmon Creek Comment
  SEINET10659229  Poa douglasii A. Arthur Heller 1902-5-29 Heller 5187 Sonoma Bodega Bay. Comment
  UC903700  Poa howellii Milo S. Baker 1947-4-22 11698 Sonoma above Gray Ranch Hood Mt 304 Comment
  CAS-BOT-BC256028  Poa pratensis Catherine Best 1993-5-6 1418 Sonoma Pepperwood Comment
  CAS-BOT-BC256040  Poa pratensis Peter Rubtzoff 1960-5-18 4381 Sonoma Bodega Head Marsh Comment
  CAS-BOT-BC243245  Poa secunda subsp. secunda A. A. Heller 1902-4-9 5245 Sonoma In railroad cut 3 miles S of Healdsburg Comment
  UCD90897  Poa secunda subsp. secunda B. A. Etcheverry 1928-4-22 s.n. Sonoma Wilbur Springs. Comment
  CAS-BOT-BC244199  Poa trivialis Peter Rubtzoff 1955-6-26 1905 Sonoma Duncans Mills Marsh, edge of the lower portion of the marsh Comment
  CAS-BOT-BC244200  Poa trivialis Roxana S. Ferris; Laura Lorraine 1961-6-14 13542 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner Comment
  UCD92101  Poa trivialis Roxana S. Ferris; Laura Lorraine 1961-6-14 13542 Sonoma Willow Creek Road between Occidental and Jenner, 5.7 miles from Jenner. Comment
  UCD144432  Poa trivialis Frederica Bowcutt 1994-7-5 1942 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 S edge of Sonoma Creek just upstream from confluence with Bear Creek. Immed. E of Goodspeed Trail Bridge over Sonoma Creek. 225 Comment
  UC1023577  Poa unilateralis Virginia Bufford 1935-5-19 55 Sonoma Portuguese Beach Comment
  UCD92147  Poa unilateralis P. B. Kennedy 1915-5-28 s.n. Sonoma Del Mar. 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
  JEPS86349  Pogogyne douglasii subsp. parviflora Jack and Betty Guggolz 1988-5-17 936 Sonoma Vicini property, just south of a creek and just west of the east property line Comment
  JEPS69888  Polemonium carneum J. Ewan 1935-5-13 9207 Sonoma road 2 mi w Bodega; Bodega Bay, w <of> Bodega Comment
  CDA11013  Polycarpon tetraphyllum G. F. Hrusa 1993-3-14 10527 Sonoma North Coast Biodiversity Arena; NW base of Mt. St. Helena. Foote Ranch, approx 10 m N of Calistoga on Hwy 128. 152 Comment
  RSA92948  Polycarpon tetraphyllum Milo S. Baker, H. K. Wagnon 1954-7-1 12960 Sonoma 2nd Street in front of Hughes Garage, Santa Rosa. Comment
  OBI48882  Polygala californica Michener & Bioletti, Bioletti June 1893 s.n. Sonoma Hoods Peak Comment
  RSA396196  Polygala californica F. H. Utech, Walter, Irja Knight 1984-4-18 84 -162 Sonoma 0.2 mi W on Harrison Grade Road from junction with Stoetz Lane. 146 Comment
  UC1198995  Polygala californica Joseph P. Tracy 1933-5-1 12124 Sonoma Knight's Valley 152 Comment
  UCSB15931  Polygala californica Breedlove, Dennis 1962-6-6 Sonoma Along State Highway 128, 1.5 miles northwest of U.S. Highway 101 at Cloverdale 121 Comment
  SEINET12205239  Polygala californica F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -088 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 244 Comment
  UC109718  Polygala californica Mrs. K. Brandegee Sonoma El Verano Comment
Read comments
Sep 19 2007
  UCD73926  Polygonum bolanderi G. Ledyard Stebbins 1966-7-22 6480 Sonoma Mountain Home Ranch, 3.5 miles west of Calistoga. 274 Comment
  SEINET11935782  Polygonum marinense P. G. Conners 1991-1 Sonoma Bodega Marine Reserve salt marsh Comment
  CAS-BOT-BC109248  Polygonum paronychia Walter Knight; Irja Knight 1963-8-23 205 Sonoma Horseshoe Cove. Comment
  CDA22833  Polygonum paronychia R. F. Wilkey 1967-10-1 Sonoma Goat Rock, Bodega Bay. 0 Comment
  SEINET11719959  Polypodium californicum W. Knight, Knight, I. 1990-1 6570 Sonoma Armstrong Redwoods State Reserve Comment
  UC1063661  Polypodium scouleri H. S. Yates 1934-4-21 3797 Sonoma near Bodega; Sebastopol Quadrangle Comment
  UC440198  Polypodium scouleri Michener and Bioletti 1897-7-6 Sonoma Gualala Comment
  CAS-BOT-BC350910  Polypogon Peter Rubtzoff 1970-9-3 6376 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  CAS-BOT-BC350942  Polypogon Peter Rubtzoff 1968-9-21 5981 Sonoma Russian River bottom at Forest Hills, 5.5 miles east of Guerneville. Comment
  RSA0034038  Polypogon Peter Rubtzoff 1986-7-13 9723 Sonoma Russian River at Forest Hills, 5.5 miles east of Guerneville. Comment
  UC1153915  Polypogon Beecher Crampton 1957-5-16 4040 Sonoma Hot Springs Road 3 mi sw Cloverdale Comment
  UCR248722  Polypogon Peter Rubtzoff 1964-7-14 5402 Sonoma Bennett Mountain Lake [apparently = Ledson Marsh] 361 Comment
  RSA0028900  Polypogon Peter Rubtzoff 1970-9-3 6376 Sonoma Marsh off west side of Highway 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  RSA129381  Polypogon interruptus H. S. Yates 1937-6-6 6584 Sonoma 3 miles east of Jenner. 61 Comment
  UC50649  Polypogon interruptus A. B. Leckenby 1896-6-9 Sonoma Petaluma Comment
  CAS-BOT-BC237407  Polypogon monspeliensis Peter Rubtzoff 1955-7-31 2013 A Sonoma Forestville Marsh Comment
  CAS-BOT-BC237410  Polypogon monspeliensis Peter Rubtzoff 1958-8-9 3854 Sonoma Laguna de Santa Rosa N of Sebastopol (near Occidental Road) Comment
  UC505685  Polypogon monspeliensis C. R. and B. S. Ball 1933-5-30 2510 Sonoma Bodega Bay Comment
  UCD91325  Polypogon monspeliensis Hursh 1919-5-12 X 3252 Sonoma Santa Rosa. Comment
  CAS-BOT-BC311810  Polypogon viridis Peter Rubtzoff 1973-8-20 7225 Sonoma Sonoma Creek bottom near Agua Caliente Road crossing west of Agua Caliente. Comment
  UC727666  Polystichum californicum Milo S. Baker 1944-12-31 10889 Sonoma 1 1/2 mi w El Verano (Fowler Canyon) Comment
  UCD151138  Polystichum californicum James A. Neilson Jr. 1973-6-6 2966 Sonoma Mayacmas Mountains. The Geysers. Intermittent stream west of Geyser Canyon. (Elevation estimated using Google Earth by label maker.) 441 Comment
  UC1745115  Polystichum dudleyi Wendy Born July 2000 Sonoma Along the road and along the west sides of Fife Creek; Armstrong Redwoods State Reserve Comment
  SEINET11719960  Polystichum dudleyi Unknown 1986-1 60589 Sonoma W of Healdsburg, Palmer Creek (tributary of Mill Creek), Palmer Creek Rd 213 Comment
  UCR128486  Polystichum munitum John Taylor, Connie Taylor 1971-5-29 8031 Sonoma 1 mile north of Guerneville at Kings Canyon Camp, in coastal hills 20 Comment
  RSA234554  Populus Peter Rubtzoff 1960-5-15 4335 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC102666  Populus fremontii Peter Rubtzoff 1959-9-19 4271 Sonoma Vacation Beach, near (2 mi. below) Guerneville, bank of Russian River Comment
  CAS-BOT-BC445297  Portulaca oleracea Peter Rubtzoff 1966-9-25 5828 Sonoma Laguna de Santa Rosa east of Graton, betw. Occidental and Guerneville roads. Comment
  RSA800657  Potamogeton crispus Peter Rubtzoff 1970-10-3 6407 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC267141  Potamogeton foliosus 1877-6-17 s.n. Sonoma Russian River, Guerneville Comment
  CAS-BOT-BC267175  Potamogeton foliosus 1877-6-6 s.n. Sonoma Russian River, Guerneville Comment
  CAS-BOT-BC453750  Potamogeton natans Peter Rubtzoff 1955-8-13 2040 Sonoma Duncans Mills Marsh. Comment
  CAS-BOT-BC141955  Potentilla anserina subsp. pacifica Peter Rubtzoff 1959-6-13 4127 Sonoma Willow Creek Marsh - Sonoma County Marshes Comment
  CAS-BOT-BC516394  Prosartes hookeri A. A. Heller; H. E. Brown 1902-3-27 s.n. Sonoma Western base of Mt. Hood Comment
  UCD125268  Prunella vulgaris Beecher Crampton 1955-6-17 2934 Sonoma 0.5 mile south of Guerneville. Comment
  UCD151204  Prunella vulgaris var. lanceolata James A. Neilson Jr. 1974-7-10 2813 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
  CAS-BOT-BC159825  Prunus angustifolia Peter Rubtzoff 1952-5-31 1107 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC159845  Prunus cerasifera Walter Knight; Irja Knight; Keith Wagnon 5065 Sonoma At jct of Sonoma Mt. Rd. and Bennett Valley Rd. ca. 1 mi west of Glen Ellen Comment
  RSA0060111  Prunus subcordata Greg de Nevers 1998-4-21 11156 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. In canyon west of Phillip's Garden. 100 Comment
  CAS-BOT-BC356924  Pseudognaphalium californicum Walter Knight; Irja Knight 1963-9-1 258 Sonoma Sulphur Creek Rd - 1 mi from US 101 near Cloverdale Comment
  CAS-BOT-BC357167  Pseudognaphalium luteoalbum Walter Knight; Irja Knight 1985-9-23 5180 Sonoma Lower Tubbs Island, 1/4 mile from San Pablo Bay 0 Comment
  CAS-BOT-BC361619  Pseudognaphalium stramineum Walter Knight; Irja Knight 1963-8-13 311 Sonoma Horseshoe Cove Comment
  UCR119042  Pseudotsuga menziesii Beecher Crampton 1960-10-10 5789 Sonoma Mayacmas Mountains, south foothills, 5 miles northwest of Calistoga, Franz Valley, along Highway 128. 183 Comment
  UC1134181  Pseudotsuga menziesii var. menziesii Mason 1932-7-19 120 Sonoma 1 mi nw of Los Alamos School; Santa Rosa Quadrangle 579 Comment
  CAS-BOT-BC166938  Psilocarphus Peter Rubtzoff 1966-5-30 s.n. Sonoma Laguna de Santa Rosa, northeast of Graton, ca. 0.5 mi. N of Guerneville Road. Comment
  CAS-BOT-BC173828  Psilocarphus Peter Rubtzoff; Nancy Harrison; Walter Lennon 1974-5-11 7401 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  CAS-BOT-BC176115  Psilocarphus Peter Rubtzoff 1963-7-14 5203 Sonoma Laguna de Santa Rosa, east of Graton. Comment
  CAS-BOT-BC210047  Psilocarphus Peter Rubtzoff 1971-6-5 6524 Sonoma Intermittent lake off west side of Hwy. 1, 0.7 miles southeast of Salmon Creek crossing. Comment
  UCD166214  Psilocarphus Peter Rubtzoff 1970-5-16 6229 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC361729  Psilocarphus brevissimus var. brevissimus J. W. Congdon 1880-5-24 s.n. Sonoma Santa Rosa Comment
  CAS-BOT-BC72688  Pteridium aquilinum John H. Thomas 1976-6-16 18290 Sonoma Southern part of Sea Ranch, northwestern part of county, about 7 miles south of Gualala 30 Comment
  RSA74444  Pteryxia terebinthina var. californica Milo S. Baker 1947-5-30 11775 Sonoma It is located 2 miles NE of Occidental along Harrison Grade. Comment
  CAS-BOT-BC460848  Pyrola aphylla W. Knight; I. Knight; Dr. Steve Edwards 1986-6-8 5449 Sonoma Cherry Creek Road W of Cloverdale Comment
  JEPS22240  Quercus Rimo Bacigalupi 1958-11-23 6961 Sonoma 4 mi s Healdsburg (at junction of Arata Road and U.S. Highway 101, on property of Fred H. Clemens) Comment
  JEPS37687  Quercus X chasei Mrs. Charles L. Wheeler 1908-3-1 Sonoma Sebastopol Comment
  UCD45329  Quercus X chasei John Thomas Howell 1946-8-17 22859 Sonoma Lloyd Voit Ranch west of Cummingham, Sonoma County. Comment
  UCD46050  Quercus X eplingii G. F. Hrusa; R. Gross 1999-6-12 15076 Sonoma Foote Ranch, corner of Ida Clayton Rd and Hwy 128, Knights Valley. Comment
  CAS-BOT-BC94703  Quercus X howellii D. E. Breedlove 1980-6-27 44776 Sonoma Pepperwood Ranch W of Knights Valley Comment
  CAS-BOT-BC61629  Quercus agrifolia A. A. Heller; H. E. Brown 1902-4-15 5295 Sonoma Santa Rosa Creek Comment
  UCD67049  Quercus agrifolia G. F. Hrusa; R. Gross 1996-3-31 12741 Sonoma Near residences of Foote Ranch, NE corner of Hwy. 128 and Ida Clayton Rd. Approx. 10 m. N of Calistoga. 110 Comment
  RSA94624  Quercus agrifolia Peter Rubtzoff 1951-8-19 639 Sonoma near Forestville. Pitkin marsh Comment
  CDA23773  Quercus berberidifolia D. G. Kelch 2006-10-4 6 .499 Sonoma Along Cavedale Road about 5 KM E of Route 12. Comment
  UCD45376  Quercus chrysolepis M. Wiesendanger 1927-5-5 730 Sonoma Maul Oak. Canyon Oak. Kenwood Springs. Comment
  RSA0089560  Quercus garryana Ann Howald 2015-4-1 3329 Sonoma North Coast Ranges: Stewarts Point-Skaggs Springs Rd, 16.5 miles west of intersection with Rockpile Rd, Wolf Creek drainage. 318 Comment
  SJSU16081  Quercus garryana Allen W. Jacobs 1935-7-1 5 Sonoma Found on Russian River terrace; across the river from Hilton. Found well up and near the end of the trail above Summer Home park. High up SW facing slope past 2nd road and at end of off wood road at right. Comment
  CAS-BOT-BC105486  Quercus kelloggii Lewis S. Rose 1964-6-27 64058 Sonoma 2 miles N of Sonoma 900 Comment
  HSC97740  Quercus kelloggii J. M. Tucker 1952-9-20 2624 Sonoma Voight Ranch 1.25 mi (air) SW of Cunningham, back of Voight House Comment
  SEINET2066832 Image available Quercus kelloggii Lewis S. Rose 1964-6-27 Sonoma 2 miles n of Sonoma 274 Comment
  UC5630  Quercus kelloggii unknown 1899-6 111 Sonoma Asti Comment
  UC72503  Quercus kelloggii Miss K. Jones 1904-8-1 Sonoma Mt. Olivet Comment
  UCD14499  Quercus wislizeni Steven J. Barnhart 1995-2-1 s.n. Sonoma California, Sonoma Co.; Salt Point State Park east of Highway 1, near junction of fire road up to the meadow and the trail to the Pygmy Forest. Comment
  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
  POM268814  Ranunculus californicus A. A. Heller, H. E. Brown 1902-3-14 s.n. Sonoma Near Santa Rosa. Comment
  SEINET12087446  Ranunculus californicus A. Eastwood, Howell, J. T. 1939-1 s.n. Sonoma Sonoma coast N of Bodega Bay Comment
  UC827655  Ranunculus californicus A. A. Heller 1938-5-14 15082 Sonoma bluff n Bodega Bay Comment
  UCD14289  Ranunculus californicus L. Coats 1983-5-17 22 Sonoma Sonoma Co.; along Highway 1, 4.3 miles north of Salt Point State Park; 21 Comment
  SBBG2249  Ranunculus californicus var. californicus H. and M. Dearing 1939-5-14 3352 Sonoma near Bodega State Park [Bodega Dunes State Beach] Comment
  CAS-BOT-BC378674  Ranunculus californicus var. californicus A. A. Heller; H. E. Brown 1902-3-14 5063 Sonoma near Windsor Comment
  CAS-BOT-BC378686  Ranunculus californicus var. californicus John H. Thomas 1976-6-16 18272 Sonoma southern part of Sea Ranch, northwestern part of county, about 7 mi south of Gualala Comment
  CAS-BOT-BC378700  Ranunculus californicus var. californicus John Thomas Howell 1931-4-2 6043 Sonoma Boyes Springs Comment
  CAS-BOT-BC378708  Ranunculus californicus var. californicus Peter Rubtzoff 1969-6-14 6072 -G Sonoma vernal pool 6.5 mi northeast of Penngrove, on Lichen Road 426 Comment
  CAS-BOT-BC361405  Ranunculus lobbii Greg de Nevers 1994-3-18 10514 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Road, in Devil's Kitchen east of 3865 Franz Valley Rd. Weimar vernal meadow 457 Comment
  JEPS86343  Ranunculus lobbii Jack and Betty Guggolz 1988-2-18 899 Sonoma pool about 1/8 mi e Fulton Road (1/4 mi n of Guerneville) Comment
  UCD96163  Ranunculus lobbii G. F. Hrusa; A. Buckman, R. Gross 1995-4-1 12030 Sonoma Lagunda de Santa Rosa, Todd Rd. Reserve, near corner of Todd Rd. and Llano Rd. 75 Comment
  UCD96260  Ranunculus muricatus M. Wiesendanger 1927-5-5 739 Sonoma Kenwood Springs. Comment
  RSA639495  Ranunculus muricatus Wesley Ebert 1977-4-9 2 Sonoma Crane Creek, downsream from Pressley Road. 107 Comment
  UCD96244  Ranunculus muricatus Ivette Loredo-Prendeville; Nicole Canon 1993-4-24 60 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, 2.5 air miles NE of Kenwood, and 18 air miles NW of Napa. 195 Comment
  POM202755  Ranunculus orthorhynchus var. bloomeri I. L. Wiggins 1932-3-12 5758 Sonoma Hillside between Calistoga and Knight's Valley. Comment
  CAS-BOT-BC251224  Ranunculus orthorhynchus var. platyphyllus Peter Rubtzoff 1959-5-31 4084 Sonoma Freestone marsh. Comment
  UCD150141  Ranunculus pusillus Ayzik Solomeshch 2009-5-11 s.n. Sonoma Santa Rosa Plain. NW of City of Santa Rosa. Maggi Property located SW of the intersection of Fulton and River Rds. Sampling pool #1. 43 Comment
  SDSU10124  Ranunculus uncinatus D. F. Howe 1972-5-2 4820 Sonoma Trail above Duncan Mills pond. Comment
  SEINET12211094  Rhamnus californica W. Knight, Knight, I.; Edwards, S. 1986-1 5341 Sonoma Along trail to summit just past the serpentine area. Access from Healdsburg-Geysers Road 991 Comment
  CAS-BOT-BC59448  Rhamnus ilicifolia Helen D. Geis 1902-1-1 575 Sonoma unspecified Comment
  SEINET11996123  Rhododendron macrophyllum F. H. Utech 1988-1 88 -217 Sonoma Salt Point, along CA 1 between Tenner & Stewart's Point, mile marker 38.39 75 Comment
  UC1299570  Rhododendron occidentale Freed W. Hoffman 1946-9-26 569 Sonoma Layton Mine, Austin Creek Austin Creek; North Coast Ranges, Layton Mine, Austin Creek Comment
  CAS-BOT-BC227170  Rhododendron occidentale var. occidentale G. F. Hrusa 1988-4-22 5569 Sonoma Cavedale Rd. between Hwy 12 and Hwy 29 300 Comment
  RSA787919  Rhododendron occidentale var. occidentale G. Fred Hrusa 1989-5-8 6091 Sonoma Hogback Mountain at headwaters of Agua Caliente and Nathanson Creeks NE of Sonoma. 518 Comment
  CDA16153  Rhododendron occidentale var. occidentale R. Gross 1999-7-2 s.n. 1 Sonoma North Coast Ranges; NW side of Mt. St. Helena, seep below Ida Clayton Rd. (3 separate inds. on sheet.) 0 Comment
  CAS-BOT-BC312709  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-BC111884  Rhynchospora californica Peter Rubtzoff 1951-7-1 343 Sonoma Pitkin Marsh, Lower part of the Upper Marsh Comment
  UCR256819  Rhynchospora californica Peter Rubtzoff 1961-10-18 4763 Sonoma Cunningham Marsh [near 1460 Big Cedar Lane, Sebastapol, CA] 38 Comment
  UCD141235  Rhynchospora capitellata Peter Rubtzoff 1951-7-28 561 Sonoma Pitkin Marsh, near Forestville. Upper Marsh. Comment
  RSA94075  Rhynchospora capitellata J. T. Howell 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111915  Rhynchospora globularis Hans Leschke 1945-7-18 s.n. Sonoma Pitkin Marsh Comment
  UC1026387  Rhynchospora globularis var. globularis John Thomas Howell 1945-7-18 Sonoma Pitkin Marsh Comment
  CAS-BOT-BC111929  Rhynchospora recognita John Thomas Howell 1945-7-18 21324 Sonoma Pitkin Marsh 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
  CAS-BOT-BC168995  Ribes divaricatum var. pubiflorum Peter Rubtzoff 1955-4-30 1803 Sonoma Forestville Marsh Comment
  RSA0025035  Ribes divaricatum var. pubiflorum J. C. Roos 1939-4-1 312 Sonoma Hood Peak Range west of Calistoga. Comment
  UC881300  Romanzoffia californica Alice Eastwood 1917-5-13 Sonoma along rd. to Bodega Bay Comment
  CAS-BOT-BC74710  Rorippa curvisiliqua Peter Rubtzoff 1970-5-30 6242 Sonoma 5 miles north of Sears Point. Comment
  CAS-BOT-BC74713  Rorippa curvisiliqua Peter Rubtzoff 1974-4-17 7366 Sonoma Upper Green Valley Marsh area. Comment
  JEPS50697  Rorippa curvisiliqua William Hirano 1967-5-26 Sonoma Bodega Bay Comment
  UC117540  Rorippa palustris Michener and Bioletti 1892-5-15 Sonoma S. L. G. Comment
  CAS-BOT-BC152656  Rosa californica John Thomas Howell 1926-11-14 2248 Sonoma Santa Rosa Comment
  CAS-BOT-BC152663  Rosa californica Peter Rubtzoff 1958-7-5 3730 Sonoma Atascadero Creek marsh Comment
  CAS-BOT-BC152670  Rosa californica Walter Knight; Irja Knight 1963-10-3 351 Sonoma Bennett Valley Comment
  UC467687  Rosa californica Milo S. Baker 1898-6-1 595 Sonoma Santa Rosa Cemetery Comment
  SD133982  Rosa californica Greg de Nevers 1986-11-7 8116 Sonoma Riebli Rd., NE of Santa Rosa 149 Comment
  UCD113879  Rosa gymnocarpa M. Wiesendanger 1927-5-5 737 Sonoma Kenwood Springs. Comment
  CAS-BOT-BC146810  Rosa nutkana Dorothy Scherer 1997-5-20 117 Sonoma West side of Hwy. 1 and south of MM. 34.00, Fort Ross State Historic Park 36 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-BC262790  Rubus Peter Rubtzoff 1955-5-14 1853 Sonoma Duncans Mills Marsh; upper portion of the marsh. Comment
  UCD166412  Rubus Peter Rubtzoff 1960-5-16 4357 Sonoma Duncans Mills Marsh; upper portion of the marsh. Comment
  CAS-BOT-BC147991  Rubus leucodermis H. E. McMinn 1922-6-7 928 Sonoma By Monte Rio, seen along roadside three canyon from Occidental Comment
  CAS-BOT-BC147992  Rubus leucodermis H. E. McMinn 1922-6-17 191 Sonoma By Monte Rio Comment
  SBBG3105  Rubus parviflorus N. F. Sommer 1954-5-15 76 Sonoma St Hwy 12, park at N edge of Occidental 30 Comment
  CAS-BOT-BC262817  Rubus spectabilis Peter Rubtzoff 1957-4-28 3291 Sonoma Duncans Mills Marsh; lower part of the marsh. Comment
  SEINET11912601  Rubus ulmifolius var. inermis H. K. Wagnon 1990-1 1976 Sonoma bank of Santa Rosa Creek by Brookwood Ave. bridge, Santa Rosa Comment
  JEPS76917  Rubus ursinus Robert M. Lloyd 1963-2-24 2061 Sonoma on State Highway 1, 0.2 mi n Bodega Bay City; n of Bodega Bay City Comment
  UC666159 Image available Rubus ursinus S. W. Brown 1942-6-28 42015 Sonoma in ravine 15 mi n Fort Ross; ; Ft. Ross Comment
  CAS-BOT-BC157171  Rubus ursinus Alice S. M. McKenzie 1981-2-23 15 B Sonoma Calif. State Hwy. 1 at Kolmer Gulch. Beside road just above curve on E. side of gulch Comment
  CAS-BOT-BC157172  Rubus ursinus Alice S. M. McKenzie 1981-2-12 15 A Sonoma Calif. State Hwy. 1, marker 44.55 Comment
  CAS-BOT-BC166717  Rumex Peter Rubtzoff 1962-6-22 4949 Sonoma Fife Creek Marsh. Comment
  CAS-BOT-BC166917  Rumex Peter Rubtzoff 1959-9-12 4262 Sonoma Willow Creek Marsh. Comment
  UCD166089  Rumex Peter Rubtzoff 1971-6-29 6579 Sonoma Pitkin Marsh, Area 27. Comment
  CAS-BOT-BC422234  Rumex acetosella Walter Knight; Irja Knight 1963-8-13 410 Sonoma Horseshoe Cove Comment
  RSA94324  Rumex acetosella Peter Rubtzoff 1951-7-7 376 Sonoma Pitkin Marsh, near Forestville: Eastern branch of NE upper Marsh in partial shade on damp ground Comment
  CAS-BOT-BC421853  Rumex conglomeratus A. A. Heller 1902-6-7 5660 Sonoma Bennett Valley, southeast of Santa Rosa Comment
  UCD101117  Rumex crassus Mary M. Hektner 1976-8-26 264 Sonoma Walk-on-Beach, Sea Ranch, near Sate Highway 1, Unit 24 Owner's Map. Comment
  CAS-BOT-BC421580  Rumex crassus Mary P. Wells 1982-7-5 s.n. Sonoma Salmon Beach Parking Lot Comment
  CAS-BOT-BC433408  Rumex crispus John Thomas Howell 1955-8-6 30892 Sonoma 1 mile southeast of Bloomfield on road to Two Rock Comment
  UCD148318  Rumex crispus Peter Rubtzoff 1954-6-6 1465 Sonoma Guerneville Marsh. Comment
  RSA783836  Rumex fueginus Peter Rubtzoff 1963-10-5 5288 Sonoma Laguna de Santa Rosa. E of Graton. Comment
  CAS-BOT-BC166659  Rumex obtusifolius Peter Rubtzoff 1962-10-23 5121 Sonoma Laguna de Santa Rosa area east of Graton, between Occidental and Guerneville Roads. Comment
  RSA785147  Rumex obtusifolius Peter Rubtzoff 1954-6-7 1480 Sonoma Guerneville Marsh Comment
  JEPS128317  Rupertia physodes Roger Raiche 2000-5-27 108 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  JEPS65651  Rupertia physodes Mrs. Maud Wheeler 1903-1 Sonoma Sebastopol Comment
  HSC49283  Rupertia physodes J. P. Smith, J. O. Sawyer 1977-6-5 2880 Sonoma Canyon Rd. about 1/2 mi. W of US 101 across from Pendrocelli Winery Comment
  POM252713  Rupertia physodes A. A. Heller 1902-6-23 5744 Sonoma Petrified Forest Comment
  CDA2403  Rytidosperma penicillatum Barbara Ertter 2003-7-19 18246 Sonoma Behind community center on west side of Hwy 1 north of town, Bodega Bay. 0 Comment
  SEINET4344595 Image available Rytidosperma penicillatum Unknown 2003-7-19 18246 Sonoma Bodega Bay, coastal meadow behind community center on west side of Hwy 1 north of town. Comment
  CAS-BOT-BC445697  Sagittaria cuneata Peter Rubtzoff 1972-6-29 6816 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC445774  Sagittaria latifolia Peter Rubtzoff 1960-9-14 4525 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads Comment
  UC903712  Salicornia europaea Milo S. Baker 1946-10 11661 Sonoma 1 mi n junction with Sears Point Hwy. (e of hwy) Comment
  CAS-BOT-BC290711  Salix Peter Rubtzoff 1973-9-9 7326 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC290712  Salix Peter Rubtzoff; J. Eckenwalder 1974-4-6 7346 Sonoma Kenwood Marsh. Comment
  UCR249072  Salix Peter Rubtzoff, J. E. Eckenwalder 1974-4-6 7346 Sonoma Kenwood Marsh 120 Comment
  UCR249073  Salix Peter Rubtzoff, J. E. Eckenwalder 1974-4-6 7353 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC290592  Salix babylonica Peter Rubtzoff 1955-8-14 2051 Sonoma Forestville Marsh. Comment
  CAS-BOT-BC103081  Salix bonplandiana A. A. Heller 1902-4-18 5335 Sonoma Near Windsor on Russian River Comment
  CAS-BOT-BC103082  Salix bonplandiana M. S. Baker 1930-4-11 3946 Sonoma Banks of Santa Rosa Creek 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
  UC1299158  Salix breweri Freed W. Hoffman 1947-5-30 517 Sonoma Layton Mine North Coast Ranges, Austin Creek Comment
  CAS-BOT-BC103944  Salix exigua Peter Rubtzoff 1953-5-16 1358 Sonoma Vacation Beach, near Guerneville. Bank of Russian River Comment
  CAS-BOT-BC103843  Salix exigua subsp. melanopsis Peter Rubtzoff 1970-9-2 6367 Sonoma Russian River bottom at Mirabel Park Comment
  UC482047  Salix exigua var. hindsiana Ball, Bracelin, Parks and Parks 1931-4-21 38 Sonoma 25 km n.w. of Calistoga (Maacama Creek) Comment
  UC482048  Salix exigua var. hindsiana Ball, Bracelin, Parks and Parks 1931-4-21 38 Sonoma 25 km n.w. of Calistoga (Maacama Creek) Comment
  HSC19976  Salix laevigata P. J. Zinke 1950-4-25 119 Sonoma Russian River at Cloverdale 152 Comment
  UC66157  Salix laevigata A. A. Heller 1902-4-18 5335 Sonoma on Russian R. near Windsor; Russian R. Comment
  UC482065  Salix lasiandra subsp. lasiandra Baker, Ball, Bracelin, and Crum 1931-5-9 347 Sonoma ca. 2 km. e. bodega Bay 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-BC128064  Salix lasiandra var. lasiandra John Thomas Howell 1932-9-18 10772 Sonoma Bank of slough draining Kenwood Marsh. Comment
  CAS-BOT-BC107096  Salix lasiolepis Peter Rubtzoff 1952-3-23 894 Sonoma south of the Upper Marsh Comment
  CAS-BOT-BC107100  Salix lasiolepis Peter Rubtzoff 1952-3-23 904 Sonoma Southern half of Lower Marsh Comment
  RSA534495  Salix lasiolepis Peter Rubtzoff 1964-8-26 5487 Sonoma Marsh 5 miles NE of Penngrove on Lichau Road 213 Comment
  RSA534506  Salix lasiolepis Peter Rubtzoff, T. J. Crovello 1964-9-3 5497 Sonoma Brooks Gulch Marsh. Comment
  UCD111655  Salix lasiolepis Peter Rubtzoff 1951-8-19 646 Sonoma Pitkin Marsh, near Forestville. Comment
  CAS-BOT-BC128311  Salix lasiolepis var. lasiolepis G. DeNevers 1981-4-25 875 Sonoma Mark West Creek and Leslie Creek - Pepperwood Ranch Comment
  CAS-BOT-BC128312  Salix lasiolepis var. lasiolepis Peter Rubtzoff 1987-9-12 9849 Sonoma Russian river at Forest Hills, 5.5 mi. east of Guerneville Comment
  RSA94336  Salix lucida subsp. lasiandra Peter Rubtzoff 1951-8-18 626 Sonoma Pitkin Marsh, near Forestville. Western branch of the upper marsh. Comment
  CAS-BOT-BC126181  Salix scouleriana Peter Rubtzoff 1962-6-13 4908 Sonoma Freestone Marsh Comment
  CAS-BOT-BC126182  Salix scouleriana Peter Rubtzoff 1955-8-13 2048 Sonoma Duncans Mills Marsh Comment
  CAS-BOT-BC126190  Salix scouleriana Milo S. Baker 1933-1-1 s.n. Sonoma Along Santa Rosa - Bodega Highway, at O'Farrell Hill, 3 miles west of Sebastopol Comment
  CAS-BOT-BC126198  Salix scouleriana Baker; Ball; Bracelin; Crum 1931-5-9 343 Sonoma Two km. east of Occidental, on Occidental Grade Comment
  LA208907  Salix scouleriana W. A. Setchell; 1934-7-10 6 Sonoma Coast Hwy, N of Fort Ross Comment
  UC482052  Salix scouleriana Baker, Ball, Bracelin, and Crum 1931-5-9 343 Sonoma 2 km. e. Occidental (on Occidental grade) Comment
  LA208908  Salix scouleriana Milo S. Baker; March 1933 7565 Sonoma at foot of O'Farrel Hill on Bodega Hwy Comment
  CAS-BOT-BC128907  Salix sitchensis Ball; Bracelin; Baker; Crum 1931-5-9 344 Sonoma About 2 km. east of Bodega Bay Comment
  CAS-BOT-BC128910  Salix sitchensis A. A. Heller 1902-3-12 5044 Sonoma Sonoma Creek, foot of Mt. Hood Comment
  LA208587  Salix sitchensis W. A. Setchell; 1934-7-10 7 Sonoma Coast Highway, N of Fort Ross Comment
  LA208588  Salix sitchensis Baker; Ball, Crum 1931-5-9 344 Sonoma ca. 2 km. E of Bodega Bay Comment
  RSA534487  Salix sitchensis Peter Rubtzoff 1962-9-9 5075 Sonoma Brooks Gulch Marsh. Comment
  SD985  Salix sitchensis Baker, Ball, Bracelin, Crum 1931-5-9 344 Sonoma About 2 km east of Bodega Bay, creek bed Comment
  UC1135016  Salix sitchensis E. Armstrong 1934-3-26 901 Sonoma 2 mi. n.w. Camp Meeker; Sebastopol Quad. Comment
  UC504048  Salix sitchensis W. A. Setchell 1933-5-6 Sonoma roadside between Monte Rio and Camp Meeker Comment
  UC524786  Salix sitchensis W. A. Setchell 1934-7-10 4 Sonoma Coast Hwy. above Fort Ross (Kru's Ranch) Comment
  SEINET10424546  Salix sitchensis A. A. Heller 1902-1 5044 Sonoma Sonoma Creek, foot of Mount Hood. Comment
  POM63368  Salvia columbariae A. A. Heller, H. E. Brown 1902-4-4 s.n. Sonoma Hills east of Santa Rosa Comment
  SEINET12327819  Salvia sonomensis F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -099 Sonoma ca 4 mi NNW of Sonoma on Cavedale Road from junction with CA 12 396 Comment
  SEINET12327832  Sambucus callicarpa F. H. Utech, Walter, W.; Knight, I. 1984-1 84 -159 Sonoma ca 5 mi E of Bridgehaven on Willow Creek Road 145 Comment
  CAS-BOT-BC245888  Sambucus nigra subsp. caerulea Peter Rubtzoff 1962-6-22 4957 Sonoma Fife Creek Marsh, Ffie Creek Comment
  CHSC34607  Sanicula bipinnatifida Jeffrey D. Prouty 1979-4-11 224 Sonoma Ca. 7 mi n of Santa Rosa. Grassy slope ca. 100 yds w of Mark West Springs Rd., ca. 300 yds n of jctn. with Michelle Way. 164 Comment
  CDA12824  Sanicula laciniata G. F. Hrusa, R. Gross 1996-3-8 12656 Sonoma North Coast Biodiversity Arena; S side of Foote Creek. Foote Ranch at corner of Ida Clayton Rd. and Hwy. 128. Comment
  CAS-BOT-BC328137  Santolina chamaecyparissus Peter Rubtzoff 1952-5-31 1129 Sonoma Upper Marsh in the west, Pitkin Marsh near Forestville Comment
  UC71997  Saxifraga californica Milo S. Baker 1898-3-26 682 Sonoma Santa Rosa Comment
  UC1084447  Saxifraga integrifolia G. Thomas Robbins 1940-3-23 305 Sonoma near Wright School (along Sebastopol - Santa Rosa Highway) Comment
  POM142248  Saxifraga mertensiana Jos. Burtt Davy 1896-3-14 1667 Sonoma [Unspecified] Comment
  UCD128133  Scandix pecten-veneris Robert F. Thorne 1965-4-19 34262 Sonoma Cotati, Waters Ranch. 30 Comment
  UCD65651  Schedonorus arundinaceus Mary M. Hektner; Cathy Hendel 1974-7-24 164 A Sonoma Beside the Kirkwood house, Unit 24 Owners' Map, Sea Ranch, near State Hwy. 1. Comment
  CAS-BOT-BC283144  Schedonorus arundinaceus Mary P. Wells 1981-7-2 s.n. Sonoma Unit 35A, near Leeward Road, The Sea Ranch Comment
  CAS-BOT-BC311818  Schedonorus arundinaceus Peter Rubtzoff 1958-5-17 3674 Sonoma Laguna de Santa Rosa area east of Cunningham (near Llano Road). Comment
  CAS-BOT-BC111435  Schoenoplectus acutus var. occidentalis Peter Rubtzoff 1966-7-23 1980 Sonoma Forestville Marsh. Comment
  HSC83392  Schoenoplectus americanus Mary M. Hektner 1976-8-26 267 Sonoma Mouth of ravine towards Walk-on-Beach, Unit 28 Owners' Map, Sea Ranch, near Hwy. 1 Comment
  CAS-BOT-BC111529  Schoenoplectus americanus Peter Rubtzoff 1971-9-3 6689 Sonoma Springy area along southeartern border of Spring Creek Reservoir area. Comment
  SD134065  Schoenoplectus mucronatus Peter Rubtzoff, Nancy Harrison 1974-9-7 7872 Sonoma Hinebaugh Creek in Rohnert Park, open wet ground of creek bed west of Commerce Blvd. crossing. Comment
  RSA90531  Schoenoplectus pungens Milo S. Baker 8611 Sonoma Sea beach at mouth of Salmon Creek Comment
  CAS-BOT-BC111805  Schoenoplectus pungens var. badius Peter Rubtzoff 1959-6-20 4165 Sonoma Willow Creek Marsh. Comment
  CAS-BOT-BC111835  Schoenoplectus tabernaemontani Peter Rubtzoff 1963-8-17 5220 Sonoma Salt marsh near Petaluma River just east of Petaluma Comment
  CDA19323  Scirpus californicus Vernon June 2001 PDR P 091976 Sonoma North Coast; Riebli Road near Santa Rosa. 0 Comment
  CAS-BOT-BC111108  Scirpus microcarpus Peter Rubtzoff 1954-8-10 1673 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC111117  Scirpus microcarpus Mary P. Wells 1983-8-3 s.n. Sonoma Timber Preserve of Oceanic of California, Inc., The Sea Ranch Comment
  UC841014  Scirpus pungens Marcus E. Jones, A. M. 1882-7-18 3526 Sonoma Duncan's Mills Comment
  CAS-BOT-BC516415  Scoliopus bigelovii Peter Rubtzoff 1953-5-18 1407 Sonoma South of Guerneville, Neeley Hill area Comment
  RSA135352  Scoliopus bigelovii Volney Rattan 1880 Sonoma Duncans Mill. Comment
  CAS-BOT-BC240034  Scribneria bolanderi Leo Whitney 1935-4-14 2257 Sonoma Near Occidental Comment
  CAS-BOT-BC344882  Scrophulariaceae Peter Rubtzoff 1964-6-6 5355 Sonoma Fitch Mountain Grove, 2 miles east of Healdsburg. Comment
  UCD167316  Scutellaria James Neilson 1977-6-7 3908 Sonoma Mayacmas Mountains, about 1/3 mi south east Lunar Point. (Location information obtained from Neilson 3911 which indicated that Lunar Point is west of Locke Cabin. Exact location unknown. Coordinates estimated by label maker.) Comment
  CAS-BOT-BC5692  Scutellaria antirrhinoides Amos Arthur Heller 1902-6-27 5786 Sonoma West of Windsor near Russian river Comment
  POM63113  Scutellaria californica A. A. Heller 1902-6-23 5743 Sonoma Petrified Forest Comment
  NY415716  Scutellaria viarum A. A. Heller 1902-6-27 5786 Sonoma West of Windsor near Russian River Comment
  UC150889  Selaginella wallacei A. A. Heller 1902-3-10 5024 Sonoma hill 2 mi e Santa Rosa Comment
  RSA167465  Senecio flaccidus var. douglasii Joseph P. Tracy 1946-9-3 17652 Sonoma Russian River. Comment
  UCD135499  Senecio glomeratus P. B. Kennedy 1916-7-17 s.n. Sonoma Del Mar. Comment
  UCR279640  Senecio minimus Peter Rubtzoff 1958-8-23 3916 Sonoma Laguna de Santa Rosa, east of Cunningham, near Llano Road 31 Comment
  UC1084374  Senecio vulgaris G. Thomas Robbins 1937-3-27 47 Sonoma Santa Rosa Comment
  JEPS76930  Sequoia sempervirens Robert M. Lloyd 1963-2-24 2049 Sonoma 0.5 mi n, on rd to Camp Meeks Occidental 45 Comment
  NY64464  Sequoia sempervirens A. A. Heller 1902-3-16 5080 Sonoma Russian River, near Trenton Comment
  SEINET8057879 Image available Sequoia sempervirens A. A. Heller 1902-1 5080 Sonoma Russian river, near Trenton Comment
  SEINET10827242  Setaria parviflora P. Rubtzoff 1971-9-2 Rubtzoff 6685 Sonoma Todd Road near Stony Point Road. Dry roadside ditch, in the open. Comment
  UCR275238  Sidalcea Peter Rubtzoff, Vanette Bunyan, Nancy Harrison, Marion Weiger 1974-8-5 7814 Sonoma Kenwood Marsh 120 Comment
  CAS-BOT-BC290641  Sidalcea Peter Rubtzoff 1974-5-26 7497 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC540823  Sidalcea Peter Rubtzoff; Vanette Bunyan; Nancy Harrison; Marion Weiger 1974-8-5 7814 Sonoma Kenwood Marsh. Comment
  RSA0004218  Sidalcea calycosa Marcus E. Jones 1882-7-18 s.n. Sonoma Duncan s Mills Comment
  RSA253002  Sidalcea diploscypha A. A. Heller 1937-5-9 15337 Sonoma Roadside bank in clay soil between Hopland and Mountain House. Comment
  SEINET7042678  Sidalcea diploscypha A. G. Vestal 1947-5-16 s.n. Sonoma Ca.4.5 miles east of Winsor. Healdsburg quadrangle UTM Zone 10, 519826mE, 4271406mN. Comment
  UC18875  Sidalcea diploscypha F. T. Bioletti 1892-1 Sonoma Comment
  UCD116801  Sidalcea malviflora Marla A. Shapiro 1976-5-29 420 Sonoma 5 miles north of Bodega Bay on Highway 1 at Coleman Beach. Comment
  UC73430  Sidalcea malviflora subsp. purpurea Milo S. Baker 1897-4-5 Sonoma beach from Sea View to Stewarts Point; beach from Sea View to Stewarts Point Comment
  CAS-BOT-BC213169  Sidalcea oregana subsp. valida M. S. Baker 1927-7-19 2343 Sonoma Kenwood Comment
  JEPS83543  Sidalcea oregana subsp. valida Jack and Betty Guggolz 1987-8-29 893 Sonoma w end Kenwood Marsh (about 50 m e of the Warm Springs Road) Comment
  RSA87253  Sidalcea oregana subsp. valida C. L. Hitchcock 1952-6-28 s.n. Sonoma Kenwood Marsh about 1/4 mile west of Kenwood Comment
  CAS-BOT-BC320544  Silene Peter Rubtzoff 1974-5-25 7456 Sonoma Upper Green Valley Marsh. Comment
  UC465678  Silene californica Milo S. Baker 1898-6-11 674 Sonoma Geysers Comment
  UCD135839  Silybum marianum Mary M. Hektner; Sue Dakuzaku, Cathy Hendel 1974-6-21 049 -A Sonoma near unused barn by Sea Ranch Lodge. Unit 2 Owners' Map, Sea Ranch, near State Highway 1. Comment
  UCD138771  Sisyrinchium bellum Botany 102 Students 1993-4-17 39 Sonoma Sugarloaf Ridge State Park. About 50 air miles N of San Francisco, 10 air miles E of Santa Rosa, and 18 air miles NW of Napa. About 2.5 air miles NE of Kenwood. In Adobe Canyon N of Sugarloaf Ridge. SE of Red Mountain about 1 air mile. Near group campground. 365 Comment
  SD112453  Sisyrinchium californicum Darley F. Howe 1963-7-3 3585 Sonoma 20 miles north of #12 on #1. Comment
  UC672674  Sisyrinchium californicum H. L. Mason 1928-4-8 4284 Sonoma Fort Ross Comment
  UCSB11203  Sisyrinchium californicum Breedlove, Dennis 1961-10-31 Sonoma at base of cliff; at S side of mouth of Russian River 6 Comment
  UC1134661  Smilacina racemosa E. Armstrong 1934-3-26 917 Sonoma 2 mi s Camp Meeker; Sebastopol Quadrangle Comment
  NY821075  Solanum nodiflorum B. Anderson 1985-9-30 2832 Sonoma Sonoma Mountain Rd., just off Warm Springs Rd. 90 Comment
  JEPS128213  Solanum umbelliferum Roger Raiche 2002-4-12 004 .02 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  SD38302  Solidago velutina subsp. californica Edith A. Purer 1932-7-21 Sonoma Bodega Bay Comment
  UCD158725  Solidago velutina subsp. californica Teresa A. Sholars 1976-9-10 s.n. Sonoma Mayacmas Mtns. Ca.1.5 mi east of the junction of Pine Flat Rd. and Socrates Mine Rd. Elevation estimated by label maker. 822 Comment
  CAS-BOT-BC365266  Solidago velutina subsp. californica G. DeNevers 1981-6-15 1530 Sonoma Pepperwood Ranch. Below the 180 deg. turn in the road S of the aluminum gate by the orange tree Comment
  UCR280137  Soliva sessilis Peter Rubtzoff 1971-5-8 6444 Sonoma Eastern foothills of Sonoma Mountains, on Sobre Vista Road, 0.9 miles west of Arnold Drive 137 Comment
  CDA8805  Soliva sessilis G. D. Barbe 1982-5-27 3618 Sonoma 3.6 miles east of Stewarts Point (Highway 1) on Scaggs Spring Road. Comment
  CAS-BOT-BC164385  Sonchus Peter Rubtzoff 1960-5-18 4391 Sonoma Bodega Head Marsh. Comment
  CAS-BOT-BC374530  Sonchus asper Peter Rubtzoff 1951-7-7 359 Sonoma Western branch of the Upper Marsh. Pitkin Marsh, near Forestville Comment
  CAS-BOT-BC236588  Sorghum halepense Peter Rubtzoff 1952-6-15 1262 Sonoma Fitch Mtn. Grove, near Healdsburg, Russian River bottom Comment
  CAS-BOT-BC236591  Sorghum halepense David L. Morgan 1956-7-7 s.n. Sonoma On Stage Gulch Road, 2 1/2 mi. NW of Lakeville Comment
  CAS-BOT-BC236592  Sorghum halepense Walter Knight; Irja Knight 1963-9-29 227 Sonoma Near Lindberg Lane on Lakeville Highway, Petaluma Comment
  CAS-BOT-BC236636  Spartina foliosa Peter Rubtzoff 1963-8-17 5219 Sonoma Near Petaluma River, just east of Petaluma Comment
  UC1224629  Spartium junceum J. H. Thomas 1964-6-28 10439 Sonoma near Petrified Forest between Calistoga and Santa Rosa Comment
  CAS-BOT-BC390050  Spergula arvensis Mary P. Wells 1984-5-9 266 Sonoma Friends House, Rincon Valley, Santa Rosa Comment
  CAS-BOT-BC320524  Spergularia Peter Rubtzoff 1974-6-9 7588 Sonoma Upper Green Valley Marsh. Comment
  CAS-BOT-BC471243  Spergularia Peter Rubtzoff 1971-8-9 6632 Sonoma Laguna, Chileno Valley. Comment
  CAS-BOT-BC390124  Spergularia bocconi Catherine Best 1982-8-18 s.n. Sonoma Goat Rock Park off of Hwy 1 Comment
  UCD99211  Spergularia macrotheca var. macrotheca P. G. Connors 1991-6-17 160 Sonoma Bodega Marine Laboratory. Comment
  CAS-BOT-BC390975  Spergularia marina G. B. Rossbach; R. P. Rossbach 1938-5-27 630 Sonoma Bodega Bay Comment
  CAS-BOT-BC354328  Spiranthes Peter Rubtzoff 1969-6-27 6103 Sonoma Field redacted by CAS, contact the data manager for more information 426 Comment
  RSA800145  Stachys Peter Rubtzoff 1977-9-3 9124 Sonoma Perry Marsh. Comment
  CAS-BOT-BC500697  Stachys Peter Rubtzoff 1958-7-5 3737 Sonoma Atascadero Creek Marsh Comment
  CAS-BOT-BC502058  Stachys Peter Rubtzoff 1971-7-23 6609 Sonoma Laguna, Chileno Valley Comment
  JEPS78950  Stachys ajugoides var. rigida Edward Lee 1936-6-8 2220 Sonoma grounds near entrance Bohemian Grove Comment
  UCLA70882  Stachys ajugoides var. rigida C. Epling, Wm. Robison 1935-7-27 Sonoma Shellville Comment
  JEPS128255  Stachys albens Roger Raiche 2000-9-2 151 .00 Sonoma The Cedars. Lower Russian River, Big Austin Creek watershed. Comment
  UCD125802  Stachys albens Mrs. Fred Griffin 1935-8-19 s.n. Sonoma Venada. Comment
  SEINET9333111  Stachys rigida var. quercetorum John Nelson, Wnek, R. 2000-3-7 20940 Sonoma Coleman Beach Comment
  UCD126055  Stachys rigida var. quercetorum Cynthia Hodges 1982-4-8 10 Sonoma 10 miles south of Healdsburg on Chalk Hill Road. 38 Comment
  UCD126030  Stachys rigida var. rigida J. Adams; J. Weick 1993-5-8 283 Sonoma 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. Sugarloaf Ridge State Park. Comment
  CAS-BOT-BC374797  Stebbinsoseris heterocarpa Alice Eastwood 1921-5-8 10457 Sonoma Petaluma Comment
  RSA0022424  Stellaria Peter Rubtzoff 1970-10-29 6418 Sonoma Dune pond near U.C. Bodega Marine Laboratory. Comment
  CAS-BOT-BC251305  Stellaria borealis subsp. sitchana Peter Rubtzoff 1955-4-30 1809 Sonoma Forestville Marsh. Comment
  UCD166456  Stellaria media Peter Rubtzoff 1954-9-6 1736 Sonoma Guerneville Marsh. Comment
  CAS-BOT-BC405136  Stellaria nitens Greg de Nevers 1992-4-8 10102 Sonoma Pepperwood Natural Preserve. 3450 Franz Valley Road. At Hendley Flat. 475 Comment
  UC1492715  Streptanthus barbiger Freed W. Hoffman 1948-6-1 2334 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  UC708787  Streptanthus barbiger G. L. Stebbins Jr. and California Botanical Society 1946-5-19 3645 Sonoma 3 mi ne Occidental Comment
  SEINET11993693  Streptanthus barbiger Unknown 1984-1 40221 Sonoma N of Cazadero, The Cedars, Big Austin Creek 427 Comment
  SEINET10735472 Image available Streptanthus brachiatus Arthur R. Kruckeberg 1949-6-5 Kruckeberg 2905 Sonoma Exposed serpentine ridge near Contact Mine, east of Pine Flat, on the Sonoma-Lake county line. 914 Comment
  UC956574  Streptanthus glandulosus subsp. glandulosus Freed W. Hoffman 1949-6-5 2902 Sonoma along ridge top above Pine Flat (near Contact Mine); North Coast Ranges 960 Comment
  UC985955  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-5-18 1062 Sonoma near Camp Meeker; North Coast Ranges, Dutch Bill Creek Comment
  NY185747  Streptanthus glandulosus subsp. secundus F. W. Hoffman 1948-6-8 2323 Sonoma North Coast Ranges; Great Eastern Quicksilver Mine near Guerneville Comment
  UC1292749  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1949-6-25 2909 Sonoma Hart Hill gate on road from Cazadero along Morhardt Ridge to Happy Hills Farm North Coast Ranges 441 Comment
  UC985962  Streptanthus glandulosus subsp. secundus Freed W. Hoffman 1947-4-20 1703 Sonoma Del Preti Hill North Coast Ranges Comment
  SEINET11990984  Streptanthus glandulosus var. secundus R. Raiche, Edwards, S.; Knight, W.; Knight, I. 1983-1 4756 Sonoma The Cedars, near Cazadero on Twitchell Ranch 274 Comment
  JEPS82240  Streptanthus morrisonii Roger Raiche 1983-8-6 30581 Sonoma headwaters Austin Creek (The Cedars); , Austin Creek 182 Comment
  UC1292743  Streptanthus morrisonii Freed W. Hoffman 1948-6-17 2347 Sonoma Red Slide, Bargeman Creek North Coast Ranges Comment
  UC1292742  Streptanthus morrisonii subsp. morrisonii Freed W. Hoffman 1947-3-6 1053 Sonoma Gilliam Creek, tributary of East Austin Creek North Coast Ranges Comment
  CAS-BOT-BC274034  Stuckenia pectinata Peter Rubtzoff 1964-8-20 5465 Sonoma 1 mile southeast of Jenner (near crossing of Hwys. 1 & 12). Comment
  CAS-BOT-BC257995  Symphoricarpos Peter Rubtzoff 1959-5-31 4075 Sonoma Freestone Marsh. Comment
  RSA799981  Symphoricarpos Peter Rubtzoff 1969-8-24 6143 Sonoma On River Road, 3 mi west of Fulton. Comment
  CAS-BOT-BC269631  Symphoricarpos albus var. laevigatus Walter Knight; Irja Knight 1963-10-3 355 Sonoma Crane Canyon Comment
  RSA748  Symphoricarpos albus var. laevigatus E. R. Johnson 1928-8-22 s.n. Sonoma Russian River, 1/2 mile E of Cloverdale Comment
  CAS-BOT-BC97821  Symphyotrichum chilense Alice Eastwood 1918-9-3 7963 Sonoma Calistoga Comment
  CAS-BOT-BC97829  Symphyotrichum chilense L. R. Abrams 1907-8-1 s.n. Sonoma Sebastopol Comment
  UC29899  Symphyotrichum spathulatum J. Burtt Davy 1897-9-19 4032 Sonoma near Petaluma Comment
  CAS-BOT-BC221968  Taeniatherum caput-medusae John Thomas Howell 1967-6-17 42595 Sonoma Hot Springs Road sw. of Cloverdale Comment
  UCD86173  Taeniatherum caput-medusae Freed W. Hoffman 1943-6-13 2035 Sonoma Geyser Peak road to Geysers. Comment
  CAS-BOT-BC376876  Taraxacum erythrospermum Peter H. Raven 1950-4-6 1587 Sonoma Santa Rosa 152 Comment
  RSA789623  Taxus brevifolia var. polychaeta Richard W. Spjut, Peter Baye 2010-6-21 16710 Sonoma Along Wheatfield Fork of Gualala River just south of junction with Fuller Creek, and north of junction with Haupt Creek and Steward Pt-Skaggs Springs Road. 55 Comment
  CDA5449  Teesdalia coronopifolia D. G. Kelch, A. G. Murdock, Ben Carter 2007-5-13 7 .288 Sonoma Cavedale Rd. Comment
  CAS-BOT-BC88007  Teesdalia coronopifolia Catherine Best 1990-3-24 1358 Sonoma On Acton Lane near Fulton northwest of Santa Rosa. Comment
  CHSC26306  Tellima grandiflora P. Kunst 1977-4-12 23 Sonoma Ca. 4 yd n of Coleman Valley Rd and 3 yd s of Coleman Valley Creek, 2.5 mi w of Occidental. 219 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
  UC866568  Thermopsis californica Alice Eastwood 1921-5-8 10435 Sonoma Petaluma Comment
  POM127141  Thermopsis californica var. californica M. S. Baker 1899-05 s.n. Sonoma Forestville Comment
  UCD166413  Thermopsis californica var. californica Peter Rubtzoff 1962-6-8 4886 Sonoma Bennett Mountain Lake. Comment
  SEINET6934810  Thermopsis macrophylla var. argentata W. P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Ca. 1 mile west of Annapolis. Comment
  CAS-BOT-BC66821  Thysanocarpus curvipes David D. Keck 1931-4-4 1098 Sonoma Santa Rosa Creek Canyon. 225 Comment
  RSA0049966  Thysanocarpus radians John H. Thomas 1968-4-4 14268 Sonoma 2.8 miles NE of highway 101 on road to Mark Springs West, along Mark Springs road. Comment
  CAS-BOT-BC368089  Tolpis barbata Greg de Nevers 1998-5-2 11223 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Northwest of High Hill, southwest of big bay 400 Comment
  UCR265119  Tonella tenella Ann Howald 2015-4-1 3317 Sonoma North Coast Ranges, Stewarts Point-Skaggs Springs Rd, 15.7 miles west of intersection with Rockpile Rd, Wolf Creek drainage 397 Comment
  SFV17047  Torilis arvensis P. Wilson 1997-6-1 3463 Sonoma Sugarloaf Ridge State Park. 500 Comment
  UCD151088  Torilis arvensis James A. Neilson Jr. 1973-6-3 3002 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-BC81459  Torreya californica Mary P. Wells 1984-7-21 374 Sonoma Hot Spot (near So. Fork of Gualala River) The Sea Ranch Comment
  RSA789605  Torreya californica Richard W. Spjut, Peter Baye 2010-6-21 16713 Sonoma Fuller Creek near junction with High-Low Road and South Branch Road, east of Annapolis Road. 91 Comment
  JEPS48378  Torreya californica Docia Patchett 1922-1-1 Sonoma Sonoma coast Comment
  CAS-BOT-BC169263  Toxicodendron diversilobum G. DeNevers 1981-4-18 738 Sonoma Pepperwood Ranch Comment
  JEPS63920  Toxicodendron diversilobum W. L. Jepson 1923-6-28 10015 Sonoma Kenwood 243 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
  UCD112403  Toxicoscordion Christopher Mallek 2008-5-2 HC1- 1 Sonoma Hooker Canyon. 590 Comment
  CAS-BOT-BC377111  Tragopogon porrifolius Volney Rattan 1877-6-6 s.n. Sonoma Healdsburg Comment
  UCD81429  Tragopogon porrifolius M. Wiesendanger 1927-5-5 s.n. Sonoma Sonoma. Comment
  CAS-BOT-BC519554  Triantha occidentalis subsp. occidentalis John Thomas Howell 1945-7-18 s.n. Sonoma Sonoma: Pitkin Marsh Comment
  UC762794  Trichostema laxum R. F. Hoover 1942-7-13 5917 Sonoma 3 mi S of Monte Rio Comment
  SEINET11993489  Trientalis latifolia F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -201 Sonoma The Geysers, ca 14 mi ESE of Preston & US 101 on Geysers Rd 800 Comment
  CAS-BOT-BC166755  Trifolium Peter Rubtzoff 1974-8-5 7815 Sonoma Kenwood Marsh. Comment
  CAS-BOT-BC173630  Trifolium Peter Rubtzoff 1974-5-18 7429 Sonoma Todd Road, 1.4 miles from Hwy. 116 and 0.6 miles from Llano Road. Comment
  CAS-BOT-BC173638  Trifolium Peter Rubtzoff 1974-5-19 7442 Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerneville roads. Comment
  CAS-BOT-BC480358  Trifolium albopurpureum D. E. Breedlove 1976-3-27 39448 Sonoma above Dry Creek, west of Warm Springs Dam Comment
  CAS-BOT-BC217058  Trifolium amoenum A. A. Heller 1940-5-17 15636 Sonoma Along roadside on State Highway #1, 2 miles west of Valley Ford. Comment
  UC630839  Trifolium barbigerum P. B. Kennedy June, 1915 Sonoma Del Mar northern part of county Comment
  UCD143667  Trifolium barbigerum A. A. Heller 1903-4-23 6609 Sonoma Fort Ross. Comment
  UC494184  Trifolium bifidum var. bifidum H. E. and S. T. Parks 1930-5-9 612 Sonoma Knights Valley Comment
  RSA121691  Trifolium ciliolatum B. O. Schreiber 1936-3-5 2211 Sonoma Healdsburg quadrangle, 2 miles WNW of Mark W Srpings. 122 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
  UCD35303  Trifolium depauperatum Beecher Crampton 1955-4-5 2408 Sonoma 2 miles west of Fulton, along Woolsey Road. Comment
  UC16521  Trifolium depauperatum var. amplectens W. H. Brewer 1862-4-18 961 Sonoma near Sonoma Comment
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Sep 7 2009
  UC16475  Trifolium depauperatum var. depauperatum W. H. Brewer 1862-4-18 964 Sonoma Sonoma Valley Comment
  UC16481  Trifolium depauperatum var. depauperatum F. T. Bioletti 1892-1 Sonoma Comment
  UCD165131  Trifolium depauperatum var. depauperatum Peter Rubtzoff; Walter Lennon 1974-5-11 7393 Sonoma Laguna de Santa Rosa, ca. 1 mile east-southeast of Sebastopol. Comment
  UCD38290  Trifolium dubium Beecher Crampton 1954-4-26 1791 Sonoma 9 miles SE of Geyserville, Highway 128, Alexander Valley. Comment
  CAS-BOT-BC361299  Trifolium fragiferum Greg de Nevers 1997-5-31 11012 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa, northwest of Finnell Cabin 457 Comment
  UCR254920  Trifolium fragiferum Greg de Nevers 1997-7-24 11071 Sonoma North Coast Range, Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  UC866777  Trifolium fucatum Alice Eastwood 1917-5-13 Sonoma rd to Bodega Point Comment
  UCD147005  Trifolium glomeratum Robert E. Preston 2011-4-28 2850 Sonoma Sonoma, in vacant lot N of MacArthur St, between 4th St and Hayes St. 21 Comment
  POM21433  Trifolium gracilentum A. A. Heller, H. E. Brown, A. H. Heller 1902-4-9 5242 Sonoma Three Miles South of Healdsburg. Comment
  UC1130030  Trifolium gracilentum H. S. Yates 1934-4-21 3826 Sonoma near Duncan Mills; Duncan Mills quad 60 Comment
  UC16556  Trifolium gracilentum H. N. Bolander 1864-4-17 3804 Sonoma bank of Santa Rosa Creek Comment
  CDA36945  Trifolium hirtum CDFA Staff 1995-5-23 s.n. Sonoma Sugarloaf Ridge State Park; near junction of Meadow, Hillside, and Gray Pine Trails, east of bridge across Sonoma Creek. 0 Comment
  UCR218645  Trifolium hirtum George K. Helmkamp, E. A. Helmkamp 2010-6-4 16210 Sonoma North Coast Ranges, Mark West Springs Road, 1.7 rd. miles east of US-101, 2.5 air miles NE (75 deg. ) of Fulton 63 Comment
  UCD111309  Trifolium macraei Mary M. Hektner 1976-5-10 255 Sonoma Along ocean bluff below Sea Ranch Association Office; Unit 36 Owners' Map, Sea Ranch, near State Highway 1. Comment
  CAS-BOT-BC368063  Trifolium microcephalum Greg de Nevers 1998-5-26 11261 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Near Murry Gate 400 Comment
  JEPS128366  Trifolium microcephalum Roger Raiche 2000-4-2 016 .00 Sonoma The Cedars. Bearpen Creek watershed (CalWater # 1114.120002). Comment
  UC165622  Trifolium microdon Milo S. Baker 1898-5-7 642 Sonoma Glen Ellen Comment
  UC80353  Trifolium microdon Alice Eastwood 1900-4-7 Sonoma Altruria Comment
  UC101676  Trifolium obtusiflorum Michener and Bioletti 1892-7-5 104 a Sonoma Skagg's Springs Comment
  UCD160308  Trifolium obtusiflorum James A. Neilson Jr. 1975-5-23 3202 Sonoma Truit Creek on Big Sulphur Creek. Abril property. (Elevation and coordinates estimated by label maker.) 388 Comment
  CAS-BOT-BC474559  Trifolium variegatum Ayzik Solomeshch 2009-5-13 s.n. Sonoma West edge of city of Santa Rosa, S of Hwy 12 and just E of S Wright Rd. San Jones wetland, sampling pool #1 31 Comment
  UC631368  Trifolium variegatum var. melananthum P. B. Kennedy June 1915 532 Sonoma Del Mar Comment
  JEPS4393  Trifolium variegatum var. variegatum E. Ferguson Jun 8 1919-Jun 10 1919 240 Sonoma near Guerneville Comment
  UC16754  Trifolium willdenovii W. H. Brewer 1862-4-17 981 Sonoma Sonoma Valley Comment
  UCSB31789  Trifolium willdenovii Townsend, J. 1977-5-29 Sonoma West side Old Cazadero Rd. about 7 miles north-east of Guerneville 518 Comment
  UC1541598  Trifolium wormskioldii H. E. and S. T. Parks 1930-5-10 848 Sonoma Knights Valley 152 Comment
  UC555362  Trifolium wormskioldii H. L. Mason 1930-6-1 5648 Sonoma mouth of Gualala River Comment
  UC85324  Trifolium wormskioldii Michener and Bioletti 1892-5-15 Sonoma South Los Guilicos Comment
  CAS-BOT-BC520841  Trillium albidum J. D. Freeman; R. F. Freeman 1967-5-6 574 Sonoma Steep moist bluff at confluence of two ravines on Skaggs Springs Rd. about 10 mi. W of its Jct. with Dry Ck. Rd.; W of Geyserville Comment
  CAS-BOT-BC520842  Trillium albidum G. DeNevers 1982-4-30 1956 Sonoma Pepperwood Ranch: Riparian area at Mark West Creek and Leslie Creek Comment
  UCR5896  Trillium chloropetalum Sue Freeman 1966-4-8 s.n. Sonoma San Francisco Bay region, Sebastopol, residence on 692 Sparks Road 73 Comment
  HSC22046  Trillium chloropetalum var. chloropetalum F. Demostene 1966-4-11 40 Sonoma 25 mi. W of Healdsburg Comment
  UC27182  Triphysaria eriantha subsp. eriantha F. T. Bioletti May 1892 Sonoma Shellville Comment
  SEINET6987684  Triphysaria eriantha subsp. eriantha Wanda P. Vestal, A. G. Vestal 1947-5-13 s.n. Sonoma Weedy flat next to maritime grassland; cove at Bodega Head. Comment
  UC27180  Triphysaria eriantha subsp. eriantha F. T. Bioletti May 1892 Sonoma Comment
  JEPS3418  Triphysaria eriantha subsp. rosea Eleanor Armstrong 1933-4-15 775 Sonoma Bodega Bay; near ocean 6 Comment
  SBBG7055  Triphysaria versicolor subsp. faucibarbata H. and M. Dearing 1939-5-14 3251 Sonoma Russian River near coast Comment
  HSC20863  Triphysaria versicolor subsp. faucibarbata R. F. Good 1962-4-20 25 Sonoma 2 mi. W of Petaluma on D St. Extension toward Point Reyes, Sonoma Mtn. Coast Range 0 Comment
  UC726331  Triphysaria versicolor subsp. versicolor A. A. Heller 1937-5-1 16176 a Sonoma along State Highway #1 on the bluff at Bodega Bay (s of the town of Bay); on the bluff at Bodega Bay Comment
  CAS-BOT-BC200110  Trisetum canescens Roxana S. Ferris; Laura Lorraine 1961-6-14 13533 Sonoma Joy Road grade, 1.8 mi. from junction with Bodega Highway Comment
  UCD93496  Trisetum canescens Beecher Crampton 1955-6-17 2931 Sonoma Sonoma County, 3.3 miles west of Forestville, along State Highway 12. Comment
  CAS-BOT-BC200107  Trisetum canescens Peter Rubtzoff 1951-6-9 180 Sonoma Western branch of the Upper Marsh Comment
  JEPS64193  Triteleia hyacinthina Eleanor Armstrong 1932-5-25 512 Sonoma near Mark West Springs 152 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-BC522361  Triteleia hyacinthina Peter Rubtzoff 1966-6-5 5762 A Sonoma Laguna de Santa Rosa east of Graton, between Occidental and Guerville roads. Comment
  CAS-BOT-BC522362  Triteleia hyacinthina Peter Rubtzoff 1971-6-5 6511 Sonoma Vernal pool 4.25 miles west of Glen Ellen on Bennett Valley Road. Comment
  CAS-BOT-BC522375  Triteleia hyacinthina John Thomas Howell 1945-5-30 20907 Sonoma Pitkin Marsh 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
  UCD139297  Triteleia hyacinthina Mary M. Hektner 1975-6-3 198 Sonoma just south of Kuhn home on Pacific Reach, Unit 24 Owners' Map, Sea Ranch, near State Highway 1. Comment
  JEPS27969  Triteleia laxa Rimo Bacigalupi, and L. Heckard 1961-6-9 7739 Sonoma 1.75 mi sw Occidental (at the junction of Joy Road and Bittner Road) 249 Comment
  CAS-BOT-BC527040  Triteleia laxa J. W. Congdon 1880-4-1 111 Sonoma Petaluma Comment
  CAS-BOT-BC80205  Tsuga heterophylla B. F. Smith 1962-10-24 29 Sonoma 3.5 miles southeast of Gualala 182 Comment
  CAS-BOT-BC74106  Turritis glabra John Thomas Howell 1930-6-8 5291 Sonoma 8.5 miles north of Bodega Bay. Comment
  RSA216183  Typha latifolia Peter Rubtzoff 1960-9-14 4537 Sonoma Laguna de Santa Rosa east of Graton below Occidental and Guerneville roads. Comment
  UCD164988  Ulmus Peter Rubtzoff 1974-8-31 7855 Sonoma Kenwood Marsh. Comment
  CDA15846  Umbellularia californica G. F. Hrusa, G. L. Stebbins 1993-10-3 11462 Sonoma Sugarloaf Ridge State Park. Trail to Bald Mountain. Midway. 518 Comment
  HSC14488  Umbellularia californica D. Sutherland, A. Sylvester, R. Spellenberg 1966-3-26 1336 Sonoma Near Big Geysers Comment
  RSA40094  Umbellularia californica L. S. Rose 1948-1-17 48003 Sonoma Glen Ellen 40 Comment
  CAS-BOT-BC91285  Umbellularia californica F. G. Krauss 1893-10-5 s.n. Sonoma Five miles west of Calistoga. Comment
  UCD136928  Uropappus lindleyi Frederica Bowcutt 1994-5-21 1820 Sonoma About 50 air miles N of San Francisco; about 10 air miles E of Santa Rosa and 1.5 air miles NE of Kenwood. About 18 air miles northwest of Napa. Along meadow trail approximately 3/4 mile from trailhead. 411 Comment
  CAS-BOT-BC404239  Urtica dioica subsp. holosericea Peter Rubtzoff 1954-8-2 1624 Sonoma Duncans Mills Marsh Comment
  UC848742  Urtica dioica subsp. holosericea Marcus E. Jones, A. M. 1882-7-17 3483 Sonoma Duncan Mills Comment
  CAS-BOT-BC391314  Vaccaria hispanica Miss May 1886-6-15 s.n. Sonoma Unspecified Comment
  UCD118089  Vaccinium ovatum A. T. Leiser 1969-6-24 s.n. Sonoma Red Mt. NE facing ravine. 91 Comment
  RSA471153  Vaccinium parvifolium Christopher Davidson 1977-6-20 6031 Sonoma Ridge Crest Rd., on Sea Ranch property south of Gualala River. 30 Comment
  RSA135359  Vancouveria planipetala Volney Rattan 1877-6-14 s.n. Sonoma Guerneville. Comment
  CAS-BOT-BC376393  Verbascum Greg de Nevers 1993-8-12 10488 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. Garrison Canyon. 457 Comment
  CAS-BOT-BC166930  Veronica Peter Rubtzoff 1970-4-19 6212 Sonoma Forest Hills, 5.5 mi. east of Guerneville at 9981 Old River Road. Comment
  CAS-BOT-BC166807  Veronica americana Peter Rubtzoff 1958-6-1 3694 Sonoma Laguna de Santa Rosa, east of Cunningham (near Llano Road). Comment
  RSA169299  Veronica americana L. S. Rose 1964-6-3 64050 Sonoma N end of Bodega Bay. 2 Comment
  RSA783734  Veronica americana Peter Rubtzoff 1960-6-9 4482 Sonoma Laguna de Santa Rosa area NE of Graton, near the Laguna Road. Comment
  CAS-BOT-BC177114  Veronica americana Peter Rubtzoff 1955-6-4 1897 Sonoma Stony Point Marsh. Comment
  RSA786489  Veronica americana Peter Rubtzoff 1962-8-22 5049 Sonoma Bodega Bay Marsh. Comment
  RSA94356  Veronica americana Peter Rubtzoff 1951-6-9 151 Sonoma Northern half of Lower Marsh. Comment
  UCD19306  Veronica americana Terry Reedy 1974-5-11 209 Sonoma Bodega Head, in freshwater marsh in open water. 6 Comment
  UCD124692  Veronica arvensis Charles B. Heiser Jr. 1946-4-13 1717 Sonoma 3 miles west of Duncan Mills, near Russian River. Comment
  CAS-BOT-BC262808  Veronica scutellata Peter Rubtzoff; Nancy Harrison 1978-6-11 9211 Sonoma Cunningham Marsh Area, on north side of Blucher Creek Valley. Comment
  POM312401  Veronica scutellata Malcolm A. Nobs, S. Galen Smith 1949-8-1 1107 Sonoma 2 miles east of Stewart's Pt on road to Geyserville. Comment
  SEINET12165197  Vicia angustifolia F. H. Utech, Knight, W.; Knight, I. 1986-1 86 -225 Sonoma Valley Ford, junction of CA 1 & Valley Ford-Freestone highway, along Ebabias Creek 30 Comment
  RSA600857  Vicia cracca Joseph A. Ewan 1935-5-13 9244 Sonoma 2.5 miles west of Santa Rosa: Sebastopol Road. Comment
  CAS-BOT-BC366858  Vicia lathyroides Greg de Nevers 1998-3-28 11149 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  JEPS87240  Vicia lutea Jack and Betty Guggolz 1992-5-6 1275 Sonoma 2 mi sse Windsor 33 Comment
  UC17028  Vicia sativa W. H. Brewer 1862-4-18 965 Sonoma near Sonoma Comment
  UC673605  Vicia sativa subsp. nigra Herbert L. Mason 1926-3-20 2750 Sonoma s of Calistoga (marshes, along railroad right-of-way) Comment
  RSA582459  Vicia villosa Joseph A. Ewan 1935-5-13 9245 Sonoma 2.5 miles west of Santa Rosa: Sebastopol Road. 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
  POM135111  Viola adunca A. A. Heller, H. E. Brown 1902-3-29 5179 Sonoma Bodega Bay Comment
  UC1763362  Viola adunca Milo S. Baker 1898-3-15 5502 Sonoma near Sebastopol Comment
  UCD110688  Viola douglasii L. Whitney 1932-4-1 s.n. Sonoma Santa Rosa. Vine Hill. Comment
  CAS-BOT-BC536963  Viola lobata Mrs. C. A. Burlingame 1921-4-1 s.n. Sonoma Sonoma Comment
  UC1762485  Viola lobata subsp. lobata Milo S. Baker 1942-6-11 10206 Sonoma Spring Mt. Rd. near summit 45 Comment
  UC1762303  Viola ocellata Helen Von Grafen 1927-4-8 Sonoma Fitch Mountain Comment
  UC1762575  Viola pedunculata Milo S. Baker May 1897 5539 Sonoma road from Petaluma to Santa Rosa Comment
  SEINET4926724  Viola sempervirens Unknown 1994-4-3 76 Sonoma approx. 6.5mi SE of Gualala in the Sea Ranch community on the Pacific Coast; above Gualala River Comment
  RSA201205  Viscum album Stanley Rose 1966-5-8 s.n. Sonoma On apple trees about 1 mile from Sebastopole on Gravenstein Highway North (1090) Comment
  RSA262373  Viscum album Jesse Dubin 1971-3-4 s.n. Sonoma Near Sebastopol. Comment
  CDA14898  Viscum album G. D. Barbe 1968-1-1 859 Sonoma Semi-abandoned residence yard, 7790 Atkinson Road 1 block east of Hwy 122, 1.5 miles north of Sebastopol. 0 Comment
  CAS-BOT-BC385036  Vitis californica L. R. Abrams 1922-6-21 8099 Sonoma Healdsburg to Cloverdale Comment
  UC18631  Vitis californica H. N. Bolander June, 1867 Sonoma Cloverdale Russian River (banks of river) Comment
  CAS-BOT-BC203133  Vitis californica James McMurphy 1907-9-27 s.n. Sonoma Mark West Creek Comment
  UCD17105  Vitis californica H. Olmo 1934-9-30 s.n. Sonoma On highway near Hilton, 2 miles E of Korbel on Russian River. Comment
  OBI75822  Vitis vinifera David Burgess 1967-11-25 13 Sonoma 6 mi NE of Santa Rosa Comment
  CAS-BOT-BC371450  Vulpia Greg de Nevers 1998-6-10 11282 Sonoma Modini Mayacamas Preserves. Pine Flat Road, near end of town of Pine Flat. Comment
  CAS-BOT-BC199903  Vulpia bromoides G. DeNevers 1981-5-11 1123 Sonoma At the Red Corral, The old McCann Homestead Comment
  CAS-BOT-BC199914  Vulpia bromoides Peter Rubtzoff 1951-7-7 372 Sonoma Eastern branch of the Upper Marsh Comment
  HSC9911  Vulpia microstachys Leo Koch 1940-4-22 838 Sonoma At Geysers in Sulfur Creek Canyon. Comment
  UCD93701  Vulpia microstachys K. Wagnon 1940-5-4 260 Sonoma Adobe Canyon. Comment
  JEPS45823  Vulpia microstachys var. ciliata Eleanor Armstrong 1932-6-4 187 Sonoma 3 mi w Graton; Schlackley Flat 30 Comment
  UCD94681  Vulpia myuros Milo S. Baker 1942-5-27 10383 Sonoma summit between Napa Valley and Sonoma County; near Spring Mt. Road. Comment
  CAS-BOT-BC185830  Vulpia myuros subsp. megalura David L. Morgan 1961-5-14 s.n. Sonoma Gold Ridge Road, 4 miles w. of Sebastopol Comment
  CAS-BOT-BC185838  Vulpia myuros subsp. megalura Peter H. Raven 1950-4-6 1549 Sonoma Cotali to Santa Rosa 45 Comment
  SD133793  Watsonia meriana John H. Madison Aug 1988 Sonoma Along Highway 1 from Ocean Cove and Horseshoe Cove. Comment
  SD88336  Whipplea modesta Darley F. Howe 1972-5-1 Sonoma Duncan Mills Pond 152 Comment
  UC1377733  Whipplea modesta W. J. Dress 1954-5-1 2987 Sonoma along Route 1 about 1.5 mi s Gualala Comment
  SBBG40405  Whipplea modesta W. J. Dress 1954-5-1 Sonoma Hwy 1 ca. 1.5 mi S of Gualala Comment
  SEINET12216893  Whipplea modesta W. Knight, Knight, I.; Edwards, S. 1986-1 5347 Sonoma along trail to summit of Geyser peak, access from Healdsburg-Geysers Rd 853 Comment
  UCR244606  Wolffiella Peter Rubtzoff 1969-7-13 6112 Sonoma Pond 5.25 mi northeast of Penngrove near Lichau Road 427 Comment
  UCR256277  Wolffiella lingulata Peter Rubtzoff 1963-9-1 5250 Sonoma North Coast Range, Bennett Mountain Lake [apparently = Ledson Marsh] 364 Comment
  CAS-BOT-BC73623  Woodwardia fimbriata Mary P. Wells 1981-8-2 s.n. Sonoma Trail north of Crow's Nest Rd., east of Spyglass Lane, The Sea Ranch. Comment
  SEINET6032499  Woodwardia fimbriata P. L. Henderson 1977-4-30 77 -7 Sonoma Bodega Bay Comment
  CAS-BOT-BC371458  Wyethia angustifolia Greg de Nevers 1989-4-1 9063 Sonoma Pepperwood Ranch, 3450 Franz Valley Rd., Santa Rosa. 400 Comment
  CAS-BOT-BC383261  Wyethia angustifolia L. R. Abrams 1916-7-4 5788 Sonoma Road between Petrified Forest and Mark West Comment
  SD134021  Wyethia angustifolia Greg de Nevers 1987-4-25 8155 Sonoma Pepperwood Ranch Natural Preserve, 3500 Franz Valley Road, Santa Rosa 99 Comment
  CAS-BOT-BC383262  Wyethia angustifolia Alice Eastwood; John Thomas Howell 1936-5-19 2505 Sonoma 11 miles n. of Santa Rosa Comment
  RSA178037  Wyethia glabra R. F. Thorne 1965-4-19 34266 Sonoma By fence in field of Cotati, Waters Ranch. 30 Comment
  CAS-BOT-BC382166  Xanthium spinosum Greg de Nevers 1987-7-10 8231 Sonoma Pepperwood Ranch Natural Preserve, 3450 Franz Valley Rd., Santa Rosa 400 Comment
  CAS-BOT-BC383802  Xanthium strumarium Walter Knight; Irja Knight 1963-8-31 171 Sonoma Cor. Todd Rd & freeway Comment